Search Results — 2000 specimen records retrieved (1440 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
  CHSC102280  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 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, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  JEPS77944  Acer macrophyllum Edward Lee 1936-3-15 1806 Napa Rutherford - Pope Valley road 8 mi out Rutherford; Rutherford - Pope Valley road Comment
  UCD117009  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy. 128. Comment
  UCD117056  Acer macrophyllum Michael A. Vincent; Ethan H. Freid 1998-4-7 8167 Napa along Rt. 128 at road marker 24/80. Comment
  UCR141666  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.56 mi east of Moskowite Corners, State Hwy 128 Comment
  UCD148565  Acer negundo Jake Ruygt 2001-10-17 4338 Napa Napa County; 1.3 mile NE of Trancas Street on Napa River. 6 Comment
  UCD18011  Achillea millefolium Ellen Dean; with Plant Biology 102 class 2001-4-28 743 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  JEPS19485  Achillea millefolium Peter H. Raven 1957-8-27 8761 Napa in salt marshes Cuttings Wharf Comment
  SFV8398  Achillea millefolium C. Bornman 1962-5-17 69 Napa About 1 mile west of Lake Berryessa on State Highway 128. North slope. 137 Comment
  UCD128301  Achillea millefolium Alan P. Godlewski 1974-5-3 26 Napa Lake Berryessa. Comment
  CAS-BOT-BC218684  Achnatherum lemmonii F. H. Utech; W. Knight; I. Knight; S. Edwards 1986-5-19 86 -300 Napa Robert Lewis Stevenson State Park Trail to the pallisades, trailhead on CA Hwy 29 near St. Helena Creek, S. Edwards SWE 85.101 750 Comment
  SBBG3379  Acmispon americanus J. M. Tucker 1941-9-20 393 Napa Putah Cyn, Vaca Range Comment
  UCD167136  Acmispon americanus var. americanus Jake Ruygt 2015-5-23 6110 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD103787  Acmispon americanus var. americanus K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  JEPS129159  Acmispon brachycarpus Jake Ruygt 2015-3-28 6053 Napa Snell Peak, Fernandez, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD104044  Acmispon brachycarpus Beecher Crampton 1962-5-16 6422 Napa Napa County, 6.4 miles south of Pope Valley, western slope of Chiles Valley. 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
  UCD159936  Acmispon brachycarpus 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
  UCD170214  Acmispon brachycarpus Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 743 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 357 Comment
  UCD170661  Acmispon brachycarpus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 Comment
  UCD73389  Acmispon brachycarpus 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
  UCD18630  Acmispon glaber Roman Gankin 1957-5-30 227 Napa 5.1 mi. west of Monticello Dam, just off of highway on top of hill. Comment
  UCD75715  Acmispon grandiflorus var. grandiflorus Jake Ruygt 1989-5-20 2339 Napa About 1 mile north of Mt. Vaca. 804 Comment
  UCD117462  Acmispon parviflorus Roisin Murphy-Deak; 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
  UCD81831  Acmispon parviflorus Ellen Dean 2009-4-24 5461 Napa Property at 600 Petrified Forest Road. 170 Comment
  JEPS46395  Adenostoma fasciculatum W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  UCD18631  Adenostoma fasciculatum Roman Gankin 1957-5-30 228 Napa 5.1 miles W of Monticello Dam, just off of highway on top of hill. Comment
  UCD48304  Adiantum jordanii K. Mogel; B. Pekin and M. Higley 2002-5-4 2 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 600 ft along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  CDA9939  Agoseris grandiflora T. C. Fuller 1958-6-4 Napa 2 1/2 miles north of Calistoga. 0 Comment
  UC768683  Agoseris grandiflora var. grandiflora Robert F. Hoover 1941-6-8 5323 Napa E side of Mt. St. Helena. Comment
  CAS-BOT-BC22754  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek Canyon, 7 miles NW of Monticello Comment
  CAS-BOT-BC46058  Agoseris heterophylla var. cryptopleura John Thomas Howell 1931-4-19 6451 A Napa Conn Valley Comment
  JEPS18236  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa near the hot springs at the airport Calistoga 91 Comment
  CAS-BOT-BC46057  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa Near the geysers, Calistoga 91 Comment
  UC114099  Agrimonia gryposepala unknown 1888-1 Napa Howell Mt. Comment
  POM126093  Agrostis elliottiana Joseph P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 518 Comment
  RSA170267  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  CAS-BOT-BC127140  Agrostis exarata Peter H. Raven 1952-5-31 4117 Napa 2.5 miles east of Yountville. 60 Comment
  UCD52144  Agrostis exarata Beecher Crampton 1957-6-4 4105 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
  UC1103375  Agrostis microphylla Joseph P. Tracy 1903-5-15 1861 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 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
  UC187293  Agrostis pallens Joseph P. Tracy 1905-7-5 2210 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD36949  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains, above Wooden Valley. Comment
  UCD53629  Agrostis stolonifera Beecher Crampton 1953-7-14 1514 Napa N.N. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  RSA92953  Agrostis stolonifera P. H. Raven 1951-6-26 3049 Napa E. of Napa on Monticello Rd. 61 Comment
  UCD159958  Aira caryophyllea Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 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
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC461091  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC461092  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS47556  Allium amplectens W. L. Jepson 1938-5-18 18791 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  SEINET3883772  Allium amplectens D. W. McNeal 1977-5-18 2032 Napa Beside Pope Valley Rd. 6.1 mi. n. of the jct. of Hwy. #128.; 0 Comment
  RSA0000087  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena. Old crater in sand. Comment
  CAS-BOT-BC469023  Allium falcifolium Wayne Roderick 1967-5-7 s.n. Napa In serpentine on Butte Canyon Road near Lake-Napa County line. 457 Comment
  CAS-BOT-BC469029  Allium falcifolium David D. Keck 1933-5-29 2375 Napa 1.3 miles south of Knoxville. Comment
  SEINET8122134  Allium falcifolium W. Roderick 1967-5-7 s.n. Napa Butts Canyon. 457 Comment
  UC1299308  Allium falcifolium Freed W. Hoffman 1947-3-20 870 Napa Hunting Creek, Napa-Lake county line North Coast Ranges, Hunting Creek Comment
  UC629766  Allium falcifolium John Morrison, Annetta Carter 1938-4-24 1355 Napa on road from Monticello to Lower Lake 0.6 mi w Knoxville Comment
  CHSC83398  Allium fimbriatum var. fimbriatum L. P. Janeway; B. Castro 2002-5-12 7551 Napa Inner North Coast Ranges. Northeast-facing slope along Devil-head Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek. 488 Comment
  UC608386  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  CAS-BOT-BC468997  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW. of Monticello Comment
  UCD48742  Allium serra K. Mogel; B. Pekin and M. Higley 2002-5-4 11 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 900 ft. along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  CAS-BOT-BC475564  Allium serra John Thomas Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  CHSC59622  Allium serratum J. M. Tucker 1997-4-24 4391 Napa Ca. 1/3 mile west of road, Berryessa-Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine). 365 Comment
  UCD21722  Allium unifolium Robin McMaster 1972-4-25 82 Napa Pope Valley. Comment
Read comments Dec 18 2011
  SEINET12044626  Allium unifolium J. T. Howell 1931-1 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
  JEPS123023  Alopecurus saccatus Jake Ruygt 1989-4-6 2247 Napa Pasture across from Bale Mill entrance. Quad: Calistoga. Comment
  CHSC102259  Amaranthus californicus Lowell Ahart 2009-10-27 16474 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
  POM226226  Amaranthus powellii J. T. Howell 1933-9-17 11667 Napa North of Vallejo Comment
  CDA34166  Amelanchier pallida D. G. Kelch 2010-4-26 10 .099 Napa Skyline Canyon, E of Napa State Hospital. Comment
  CAS-BOT-BC136739  Amelanchier utahensis Alice Eastwood 1922-5-5 11293 Napa Mt. St. Helena Comment
  CAS-BOT-BC136750  Amelanchier utahensis Carl B. Wolf 1928-5-4 1868 Napa Mt. St. Helena Comment
  JEPS120341  Ammannia robusta Jake Ruygt 2005-10-30 4954 Napa Napa River about 100 yards north of the Pope Street bridge. Saint Helena 7.5' Quad. Comment
  UCD167279  Ammannia robusta Jake Ruygt 2006-9-5 5097 Napa Conn Creek northwest of confluence with Rector Creek. 30 Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  CAS-BOT-BC177207  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  JEPS106984  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
  JEPS107261  Amorpha californica var. napensis Jake Ruygt 1976-5-18 91 Napa 5.2 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments Aug 15 2010
  JEPS2725  Amorpha californica var. napensis W. L. Jepson 1916-8-6 6834 Napa Moore Creek Howell Mt. 548 Comment
  JEPS35498  Amorpha californica var. napensis W. L. Jepson 1913-4-15 5309 Napa Howell Mt. 548 Comment
  CDA27223  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 2 of 2. Comment
  UCR116170  Ampelodesmos mauritanicus G. Fred Hrusa 2000-7-26 15683 Napa North Coast, Old Toll House Road at SW base of Mt St. Helena, c. 0.5 mi north of Hwy 29. Slope above Garnet Creek 400 Comment
  JEPS126073  Amsinckia eastwoodiae Jake Ruygt 1982-3-26 1146 Napa East of Rocktram, west of Highway 221. Napa 7.5' Quad. Comment
  UCD48652  Amsinckia intermedia Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 1 Napa Quail Ridge Reserve, Decker Canyon, along S. Decker Canyon Rd., N of jct with Cut-Off Rd., S of jct with N. Decker Canyon Rd., approximately 5 m. W of screen shed and about 45 ft. from road. 152 Comment
  UCD74365  Amsinckia lunaris Jake Ruygt 1977-3-6 137 Napa Low elevation east of Basalt Rock Co. 213 Comment
  UC24615  Amsinckia lycopsoides Willis L. Jepson 1891-5-1 Napa Upper Conn Valley; Napa River Basin Comment
  UCD170192  Amsinckia lycopsoides Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 765 Napa Knoxville Wildlife Area, along Zim Zim Falls trail. 279 Comment
  UCD48077  Anagallis arvensis Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 29 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 640 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
  CHSC108729  Ancistrocarphus filagineus B. Castro; L. P. Janeway 2002-5-12 1371 B Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  JEPS104502  Ancistrocarphus filagineus Jake Ruygt 1996-4-27 3629 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Comment
  UCD170806  Ancistrocarphus filagineus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC272868  Ancistrocarphus filagineus J. M. Tucker 1977-4-24 4390 Napa Up jeep track ca. 1/3 mile west of road, Berryessa - Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine) 365 Comment
  UC1535365  Ancistrocarphus filagineus J. M. Tucker 1977-4-24 4390 Napa up jeep track ca. 1/3 mi from Berryessa-Knoxville Road (15.9 mi (by road) n of junction with Pope Canyon Road (2 mi se of Knoxville Mine)) 365 Comment
  UCD20919  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UCD54302  Angelica californica Mark Bibbo; w/ Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  CDA40901  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 2 of 3 Comment
  UCD126260  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 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
  JEPS15908 Image available Angelica tomentosa W. L. Jepson 1895-8-30 13484 Napa near Calistoga; ; Near Calistoga, upper Napa Valley Comment
  UCD127188  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  CAS-BOT-BC273160  Anisocarpus madioides Bruce G. Baldwin 1985-6-2 488 Napa 0.6 miles east of Napa/Sonoma Counties boundary along Oakville Grade Road Comment
  UCD129076  Anthemis cotula Andreas Stohr 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 120 Comment
  UCD127197  Anthriscus caucalis Joseph M. DiTomaso 1976-4-10 412 Napa on Highway 128, 4 miles west of Monticello Dam at Lake Berryessa. Comment
  UCD164835  Antirrhinum cornutum Jake Ruygt 2012-6-2 5858 -b Napa Spanish Valley on south ridge. 347 Comment
  UCD63855  Antirrhinum cornutum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  SBBG83247  Antirrhinum vexillocalyculatum D. M. Thompson 1983-6-15 330 Napa 0.3 mi N of Porter Crk Comment
  POM215774  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. D. Keck 1933-7-1 2465 Napa Butts Creek Canyon, ca. 5 miles northeast of Aetna Springs. Comment
  SD120898  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-11 335 Napa banks along valley of Pope Creek at end of Barnett road 195 Comment
  CAS-BOT-BC248849  Antirrhinum virga Arno H. Wilson 1920-6-26 s.n. Napa Atlas Comment
  JEPS19477 Image available Apocynum androsaemifolium Willis L. Jepson 1893-6-26 14622 Napa e St. Helena (valley floor); Napa River Basin; valley floor, E of St. Helena, Napa River Basin Comment
  UC765745  Aquilegia eximia R. F. Hoover 1938-9-23 3865 Napa canyon of South Fork Butts Creek Comment
  CAS-BOT-BC397794  Aquilegia formosa John Thomas Howell 1937-7-4 13058 Napa Wooden Valley Creek Comment
  POM161354  Aquilegia formosa var. truncata Rimo Bacigalupi 1928-6-20 186 Napa Howell Mt, 10 miles W of St Helena Comment
  JEPS106774  Arabis modesta Jake Ruygt 1998-4-18 3923 Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  UCD74381  Arabis modesta Jake Ruygt 1987-2-28 1923 Napa Monticello Dam. 164 Comment
  UC1196929  Aralia californica J. P. Tracy 1899-7-6 416 Napa head of Moore's Creek 3 - 4 mi. e. of Angwin's; Howell Mt. 457 Comment
  RSA470446  Aralia californica T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  JEPS66577  Arbutus menziesii W. L. Jepson 1937-4-10 18001 Napa Howell Mountain, Adam and Eve Ridge Adam and Eve Ridge; Howell Mountain, Adam and Eve Ridge Comment
  UCD15004  Arbutus menziesii Wesley Ebert 1977-4-16 35 Napa Off east side of Highway 128 above East Bull Canyon, 6 miles southwest of Monticello Dam. 213 Comment
  CAS-BOT-BC409913  Arceuthobium campylopodum Carl B. Wolf 1928-5-4 1851 Napa Mt. St. Helena Comment
  CDA37815  Arctium lappa S. Longo/J. Chang 2012-6-26 PDR# 280 P06089864 Napa Napa; 3200 Soda Canyon Road, near Loma Vista Dr. 0 Comment
  UC1121471  Arctostaphylos A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Napa Quadrangle Comment
  JEPS38624  Arctostaphylos canescens W. L. Jepson 1913-4-15 5311 Napa La Jota Plateau Howell Mountain Comment
  CAS-BOT-BC23962  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1963-9-23 105 Napa Near quarry, near Lake County Line, Mt. St. Helana. Adjacent to Silverado State Park. Comment
  CAS-BOT-BC23963  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helana Comment
  CAS-BOT-BC23992  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa On saddle about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  CAS-BOT-BC23993  Arctostaphylos canescens subsp. canescens R. Bacigalupi 1926-1-2 1272 Napa Mt. St. Helena, just above toll house. 883 Comment
  CAS-BOT-BC24000  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-7 4697 Napa Mt. St. Helena Comment
  CDA11150  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11561 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  RSA10630  Arctostaphylos canescens subsp. canescens C. B. Wolf 1923-5-4 1861 Napa Upper slopes of Mt. St. Helena. Comment
  RSA15668  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-28 1503 Napa 1 mi n of summit Mt. St. Helena grade. Comment
  RSA252159  Arctostaphylos canescens subsp. canescens Gary D. Wallace 1974-12-23 1346 Napa SE of Mt. St. Helena along Hwy 29 just N of Robert Louis Stevenson St. Pk. 610 Comment
  SDSU1489  Arctostaphylos canescens subsp. canescens D. F. Howe 1969-6-7 4634 Napa 2 miles south of Lake-Napa Co. line. 518 Comment
  UC796527  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa on saddle about 1.5 mi from summit of Mt. St. Helena 1066 Comment
  UCD73392  Arctostaphylos canescens subsp. canescens 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
  UC876541  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1940-3-6 9496 Napa on Franz Val. road from Calistoga which branches off from Calistoga-Santa Rosa rd thru. Pet. Forest about 2 mi from center of Calistoga Comment
  JEPS120407  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5498 Napa Archer Taylor Preserve, east slope of Bismark Knob above Devil's Well. Comment
  CAS-BOT-BC23622  Arctostaphylos crustacea Peter H. Raven 1951-6-26 3072 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC23623  Arctostaphylos crustacea Lewis S. Rose 1937-4-4 37017 Napa Wooden Valley Grade, 8 mi. NE of Napa 274 Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  CAS-BOT-BC23144  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1922-3-26 11116 Napa Mt. St. Helena Comment
  JEPS106417  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1981-4-12 974 Napa Grassy Hill near Palisades 670 Comment
  JEPS49536  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1938-9-28 19043 Napa La Jota Mesa, Howell Mt. Comment
  JEPS49565  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 17996 Napa Adam-and-Eve Ridge Howell Mtn. Comment
  UC571225  Arctostaphylos glandulosa subsp. glandulosa H. L. Mason 1925-1-23 1205 a Napa Wooden Valley Grade Comment
  CHSC23436  Arctostaphylos manzanita Robert A. Schlising; Glenn Keator 1962-1-25 2024 Napa California Coast Ranges. NW corner Napa County. Mt. Saint Helena Comment
  UCD162097  Arctostaphylos manzanita Dylan O. Burge 2014-3-15 1495 Napa Mount Saint Helena. 760 Comment
  UCD73423  Arctostaphylos manzanita subsp. glaucescens Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC24284  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-8-27 11633 Napa Sage Canyon, Napa Range. Comment
  CAS-BOT-BC38762  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7948 Napa Mt. St. Helena Comment
  CAS-BOT-BC38763  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-1-22 6385 Napa Sulphur Springs Canyon just N. of the resort 213 Comment
  RSA15675  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  RSA602257  Arctostaphylos manzanita subsp. manzanita L. C. Wheeler 1952-8-30 6877 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43849  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5768 Napa between Franz Valley & Calistoga Comment
  CAS-BOT-BC43860  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. sw. of Angwin 243 Comment
  CAS-BOT-BC43865  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi. west of aetna Springs. Comment
  JEPS38678  Arctostaphylos stanfordiana Willis L. Jepson 1893-5-4 14724 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  UC571224  Arctostaphylos stanfordiana H. L. Mason 1925-1-22 1202 Napa Wooden Valley Grade Comment
  UCD53865  Arctostaphylos stanfordiana Charles B. Heiser Jr. 1947-2-18 1884 Napa Between Napa and Monticello, crest of first ridge. Comment
  SEINET11984941  Arctostaphylos stanfordiana Unknown 1966-1 679 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  SEINET11987133  Arctostaphylos stanfordiana W. Knight, Knight, I. 1980-1 3825 Napa Tilden Botanic Gardens, Berkeley, orig. from Mt. St. Helena Comment
  UCD73848  Arctostaphylos stanfordiana subsp. decumbens Ellen Dean; S. Rae 2008-5-21 4983 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 274 Comment
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  RSA10631  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-5-4 1860 Napa Upper slopes of Mount St. Helena. Comment
  HSC38217  Arctostaphylos viscida Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2344 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  RSA531257  Arctostaphylos viscida W. Wisura, D. Grzanna 1991-9-4 4575 Napa 8.7 mi. N of Calistoga along Hwy. 29. Comment
  UCD52447  Arctostaphylos viscida Roman Gankin 1966-2-26 681 Napa Next to roadway at gate; property west of Macdonald Ranch, Las Posadas State Forest, Napa County, California. Comment
  JEPS38779  Arctostaphylos viscida subsp. viscida W. L. Jepson 1916-8-7 6840 Napa Moore's Creek Howell Mountain Comment
  RSA388862  Arctostaphylos viscida subsp. viscida R. W. Brooks 1975-4-26 54 Napa 12 miles north from State Highway 128, Pope Valley. 762 Comment
  SBBG19109  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2036 Napa 6 mi S of Pope Valley on the lake rd 335 Comment
  UC1388339  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-9-12 1371 Napa near Black Oak Villa; North Coast Ranges, Butts Canyon Comment
  HSC97524  Aristolochia californica Andrew Joseph Eckert 2001-3-3 7 Napa Alston Park, 1.5 mi. N of Redwood Creek Rd. on W side of Napa Valley 122 Comment
  UC504869  Aristolochia californica R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UC6148  Aristolochia californica Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  CAS-BOT-BC82390  Arnica discoidea Peter H. Raven 1951-6-26 3069 Napa Wooden Valley Grade 304 Comment
  UCD38610  Arnica discoidea Beecher Crampton 1956-5-25 3484 Napa Howell Mtns. Comment
  UCD38611  Arnica discoidea Beecher Crampton 1956-5-25 3484 Napa Howell Mtns. Comment
  JEPS104574  Artemisia douglasiana Jake Ruygt 1978-6-28 374 Napa 2.0 miles north of Browns Valley Rd. on Partrick Rd. 164 Comment
  CDA2628  Arum italicum J. T. Howell 1970-3-19 46494 Napa Near Old Bale Mill 0 Comment
  UCD121245  Asclepias cordifolia James N. Seiber 1984-7-21 s.n. Napa Lake Berryessa, near Monticello Dam. Comment
  JEPS79515  Aspidotis densa Edward Lee with A. Carter and E. Crum 1936-3-15 1817 Napa Rutherford-Pope Valley Rd Butt's Canyon Comment
  POM41975  Aster subspicatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA756247  Aster subulatus var. parviflorus Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  CAS-BOT-BC180462  Astragalus breweri Peter H. Raven 1950-5-6 2022 Napa Sulphur Flats & hot springs near Old Faithful Geyser, N. of Calistoga 182 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
  JEPS107255  Astragalus clevelandii Jake Ruygt 1998-7-6 4077 b Napa Butts Canyon about 0.3 mile north of Snell Valley Road. 377 Comment
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon Comment
  UCD104678  Astragalus clevelandii Robert E. Preston 1987-6-18 566 Napa 1.4 mile ne of Big Basin. 414 Comment
  CAS-BOT-BC178291  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  CAS-BOT-BC178292  Astragalus gambelianus John Thomas Howell 1931-4-19 6444 Napa Conn Valley Comment
  CDA11592  Astragalus gambelianus G. F. Hrusa, S. Larson 1995-4-1 12058 Napa North Coast Biodiversity Arena; Approx. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  UC13438  Astragalus gambelianus Willis L. Jepson 1893-5-2 Napa Pope Valley grade Calistoga (Napa River Basin); , Pope Valley grade fr Calistoga Comment
  UCD104803  Astragalus gambelianus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  CAS-BOT-BC193127  Astragalus rattanii var. jepsonianus Maxine Wilkes 1933-5-21 s.n. Napa Mt. St. Helena Comment
  JEPS100901  Astragalus rattanii var. jepsonianus Dean W. Taylor 1998-5-14 16434 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  RSA121722  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UC862608  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs; ; Walter Springs, Napa Co. Comment
  JEPS103982  Athyrium filix-femina var. cyclosorum Jake Ruygt 1984-3-31 1522 Napa Devil's Canyon 542 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
  CAS-BOT-BC17536  Athysanus pusillus Peter H. Raven 1953-4-2 5273 Napa Hill west of Tulucay Creek. 243 Comment
  POM290480  Avena fatua Lyman Benson 1931-2-26 2601 Napa Base Mt. St. Helena; Mayacamas; Napa Valley 244 Comment
  UCD18010  Avena fatua Ellen Dean; with Plant Biology 102 class 2001-4-28 742 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  HSC47480  Baccharis pilularis subsp. consanguinea Richard Spjut 1978-12-4 5259 Napa Near Lake Barryessa along Hwy. 128 Comment
  CAS-BOT-BC106729  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Montecello 167 Comment
  JEPS40689  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1915-4-23 6247 Napa Conn Valley, Napa Range Comment
  UC552234  Barbarea orthoceras Joseph P. Tracy 1933-4-30 12111 Napa La Jota Palteau, Howell Mountain, on hills head of Moore's creek, 3-4 miles East of Angwin's 518 Comment
  JEPS123017  Beckmannia syzigachne Jake Ruygt 1988-5-3 2176 Napa 0.3 miles north of Oak Knoll on Silverado Trail. Quad: Napa. Comment
  JEPS47706  Berberis aquifolium Willis L. Jepson 1893-5-3 Napa near Toll-house (Middleton grade); Mt. St. Helena Comment
  RSA769216  Bergia texana L. Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  UCD167067  Bergia texana Jake Ruygt 2001-8-4 4327 Napa South shore of Lake Hennessey near boat ramp. 94 Comment
  CAS-BOT-BC15945  Boechera breweri subsp. breweri David D. Keck 1933-5-29 2360 Napa Pope Creek Bridge south of Walters Springs. Comment
  SEINET3166338  Boechera breweri subsp. breweri P. J. Alexander, C. D. Bailey 2009-3-31 971 -A, B, C Napa North Coast Ranges, Robert Louis Stevenson State Park, SE side of Mount Saint Helena along the road to the peak, 1.65 miles SE of the summit, 5.4 miles NNW of Calistoga. 1052 Comment
  JEPS110699  Boisduvalia stricta Jake Ruygt 1982-5-26 1300 Napa Craters region near Robert Louis Steve. Sate Park 762 Comment
  SBBG128576  Bolboschoenus maritimus L. Ahart 2009-10-12 16460 Napa below high water line of Lake Berryessa, along Capell Crk S of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd 133 Comment
  CAS-BOT-BC31397  Bolboschoenus robustus Peter H. Raven 1952-8-26 5135 Napa Salt marshes near Bently Wharf. 15 Comment
  JEPS110603  Boschniakia strobilacea Jake Ruygt 1999-5-22 4167 Napa Livermore Ranch on road south of White Point. 826 Comment
  CAS-BOT-BC36764  Brassica rapa Peter H. Raven 1953-3-29 5210 Napa 2 miles south of Calistoga. 106 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
  RSA247333  Briza maxima Gary D. Wallace 1967-5-27 766 Napa Northwest of St. Helena on Howell Mtn. Rd. 2 mi. west of Pacific Union College. Comment
  JEPS129035  Brodiaea elegans subsp. elegans Jake Ruygt 2016-5-28 6268 Napa Oil Well Road 1/4 mile west of high point. Lake Berryessa 7.5' Quad. Comment
  UCD139136  Brodiaea elegans subsp. elegans Heidi E. M. Dobson 1978-6-14 338 Napa Mt. Veeder. Comment
  CAS-BOT-BC484194  Brodiaea elegans var. elegans James L. Reveal 1987-6-7 6407 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 243 Comment
  JEPS110912  Brodiaea leptandra Jake Ruygt 1982-7-18 1372 Napa Deer Park Rd. at Four Corners 414 Comment
  UCD149594  Bromus 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
  CDA10912  Bromus carinatus G. F. Hrusa, M. Rejmanek 1993-5-15 11008 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS123013  Bromus carinatus var. carinatus Jake Ruygt 1990-5-16 2549 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  SACT000490  Bromus commutatus M. Wiesendanger 1927-5-4 Napa Comment
  CAS-BOT-BC155073  Bromus hordeaceus Ira L. Wiggins 1928-3-25 2871 Napa Roadside 1.5 mile northeast of Calistoga. Comment
  HSC43959  Bromus hordeaceus Robert M. Specht 1977-4-19 690 Napa Above drainage running NE from Adams Creek. 518 Comment
  HSC9264  Bromus hordeaceus J. V. Lenz 1947-4-19 Napa Calistoga Comment
  JEPS123007  Bromus hordeaceus Jake Ruygt 1982-4-29 1211 Napa Suscol plain west of Highway 29 (221), east of Kaiser (Napa Pipe). Quad: Napa. Comment
  JEPS76085  Bromus hordeaceus W. L. Jepson 1938-5-22 18814 Napa Pope Valley, Limekiln Creek Canyon Limekiln Creek Canyon; Pope Valley, Limekiln Creek Canyon Comment
  JEPS76000  Bromus japonicus W. L. Jepson 1936-6-1 17591 Napa w side of Four Corners (Howell Mt.); Howell Mountain, Four Corners Comment
  JEPS76002  Bromus japonicus W. L. Jepson 1936-6-1 17590 a Napa Napa Range, Howell Mountains, w side of Four Corners Four Corners; Napa Range, Howell Mountains, Four Corners Comment
  JEPS76075  Bromus laevipes W. L. Jepson 1938-5-18 18787 Napa behind the St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  UCD32906  Bromus laevipes Beecher Crampton 1965-6-17 7410 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD58948  Bromus laevipes J. Street 1950-1 s.n. Napa 4 mi. E of Rutherford. Comment
  UCD58972  Bromus madritensis A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3545 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  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
  JEPS123003  Bromus madritensis subsp. rubens Jake Ruygt 1977-4-9 182 Napa Mount George. Quad: Mount George. Comment
  UCD121145  Bromus pseudolaevipes Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7345 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  UCD59612  Bromus rubens Beecher Crampton 1965-6-30 7394 Napa Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  UCD168568  Bromus sterilis Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD60221  Bromus tectorum R. Tofsrud 1950-10-14 s.n. Napa Summit of road between Oakville and Glenn Ellen. Comment
  CAS-BOT-BC161529  Bromus tectorum Peter H. Raven 1953-5-2 5389 Napa Hills due east of Yountville. 243 Comment
  UCD37118  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa Napa County, north end of Capell Valley, along Highway 128, above Capell Creek. 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
  UCD18041  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 592 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
  UC198936  Calandrinia ciliata C. F. Sonne March, 1884 Napa Napa Valley Comment
  JEPS120377  Calendula arvensis Jake Ruygt 1980-3-31 823 Napa end of McLean St., Napa Comment
  JEPS120388  Callitriche marginata Jake Ruygt 1996-5-19 3710 Napa West of Barnett Road near Burton Creek, (Peju Pr) Pope Valley Comment
  UC146150  Callitriche marginata Joseph P. Tracy May 15 1903-May 18 1903 1870 Napa Napa Valley near Calistoga; Northern Coast Ranges 91 Comment
  CAS-BOT-BC488486  Calochortus amabilis John H. Thomas 1955-5-21 5119 Napa Sarco Creek drainage, near State Highway no. 37, about 6 miles from Napa 274 Comment
  HSC81868  Calochortus amabilis Thomas W. Nelson, Jane P. Nelson 1980-5-3 5140 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  RSA10700  Calochortus amabilis Carl B. Wolf 1928-5-3 1787 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SEINET3884897  Calochortus amabilis Daphne K. Christopher, Hannah I. Stevens; Mark Bibbo 2003-4-12 156 Napa Uc Davis, Stebbins Cold Canyon Reserve. Near main trailhead.; 0 166 Comment
  UC527845  Calochortus amabilis R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6667 Napa 6 mi ne Pacific Union College (on road to Aetna Springs); Howell Mt. Comment
  UCD139479  Calochortus amabilis Robert E. Preston 1988-4-10 580 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  CAS-BOT-BC488495  Calochortus amabilis John Thomas Howell 1931-4-2 6076 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  HSC83400  Calochortus amabilis Mark S. Lubinski, Claude Galopin 1975-4-27 19 Napa Hwy. 128 off Sage Canyon Rd. Comment
  POM169455  Calochortus amabilis C. F. B 1903-4-20 2622 Napa Mt. St. Helena. Comment
  SEINET12044769  Calochortus amabilis L. S. Rose 1932-1 32306 Napa N Branch Dry Creek Comment
  UCD139473  Calochortus amabilis Alan P. Godlewski 1974-5-3 21 Napa West of Lake Berryessa. 100 yards from Highway 128. Comment
  JEPS113981  Calochortus luteus Jake Ruygt 1982-5-25 1286 Napa Suscol Hill, west of Highway 29 (221). Cuttings Wharf 7.5' Quad. Comment
  UCR212359  Calochortus luteus Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  UCD14308  Calochortus luteus L. Coats 1983-5-29 50 Napa J and M Ranch; end of Green Valley Road, 1 mile from Coombsville Road and apporximately 100 yards inside of gate, next to road. Comment
  SEINET4169984  Calochortus pulchellus W. M. Grannell 1950-4-27 15 Napa N. side of PutahCanyon Comment
  SEINET4169985  Calochortus pulchellus Unknown 1952-4-20 71 Napa Samuel Springs, 7 mi N. W. of Monticello Comment
  UCD160678  Calochortus superbus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8750 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  UC843712  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  UC1876213  Calycadenia fremontii Gerald D. Carr 1972-8-21 729 Napa 3.0 mi NE of Chiles and Pope Valley Rd. on Pope Canyon Rd. 182 Comment
  UC1876219  Calycadenia fremontii Gerald D. Carr 1971-9-20 665 Napa 0.8 mi SE of Berryessa-Knoxville Rd. on Hwy 128. 213 Comment
  CAS-BOT-BC270617  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  UCD129718  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa junction of Howell Mt., Deer Park, and White Cottage Roads, southwest facing. Comment
  JEPS38539  Calycadenia pauciflora W. L. Jepson 1916-8-6 6831 Napa Howell Mt. Comment
  UCD129824  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa junction of Lower Chiles Valley and Pope Valley Roads, Comment
  CAS-BOT-BC270828  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles E of Butts Canyon Road on Snell Valley Road 182 Comment
  CAS-BOT-BC270838  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lower Lake, northern part of county Comment
  JEPS104713  Calycadenia pauciflora John L. Morrison 1936-9-19 1947 A Napa Knoxville Mines Comment
  POM298248  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lowerlake Comment
  RSA255614  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  UCD129843  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Road, 10.0 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. Comment
  CAS-BOT-BC271526  Calycadenia truncata subsp. truncata Roxana S. Ferris 1941-9-28 10639 Napa Eastern edge of Napa Valley along Conn Creek near St. Helena Comment
  CAS-BOT-BC271558  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  JEPS40309  Calycanthus occidentalis W. L. Jepson 1894-10-19 Napa sw of Calistoga (Rebecca Ranch Grade); Napa Valley Comment
  JEPS40319  Calycanthus occidentalis W. L. Jepson 1934-10-16 16896 Napa Adam and Eve Ridge Howell Mt. (by the cave, Howell Mt.) Comment
  RSA23335  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  SEINET3153864  Calycanthus occidentalis H. P. Chandler 1906-9-7 713 Napa Alta Loma ranch 549 Comment
  UCD13154  Calycanthus occidentalis Kathleen Worden 1981-5-24 12 Napa Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. Comment
  CDA33443  Calystegia collina subsp. collina Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  UC1794972  Calystegia collina subsp. collina R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19848 Napa 10 km NE of St. Helena, on Chiles and Pope Valley Road 300 Comment
  UCD47956  Calystegia collina subsp. collina R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 17 Napa Northern Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  JEPS100896  Calystegia collina subsp. oxyphylla Dean W. Taylor 1998-5-14 16439 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UCD167154  Calystegia occidentalis Jake Ruygt 2015-5-13 6102 b Napa East of Zim- Zim Creek parking lot. 350 Comment
  UCD126156  Calystegia occidentalis Jack Major 1961-6-13 544 Napa Monticello Dam, State Highway 128. Comment
  UCD160744  Calystegia occidentalis subsp. fulcrata Ellen Dean 2015-5-23 8796 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. 249 Comment
  SD225762  Calystegia occidentalis subsp. occidentalis R. K. Brummitt 1997-6-2 19625 Napa NE of Lucerne, 15 km along Bartlett Springs Road from Clear Lake 1000 Comment
  JEPS31633  Calystegia purpurata W. L. Jepson 1938-5-25 18862 Napa Bell Canyon Napa Range, Howell Mt., Bell Canyon (Howell Mt., Napa Range) 579 Comment
  JEPS126077  Calystegia sepium subsp. binghamiae Jake Ruygt 1986-6-12 1810 Napa West end Suscol Road, below Highway bridge. Cuttings Warf 7.5' Quad. Comment
  JEPS61539  Camassia quamash subsp. quamash Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  JEPS100899  Campanula griffinii Dean W. Taylor 1998-5-14 16436 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UCD114140  Capsella bursa-pastoris David Lawfer 1952-3-11 107 Napa Napa. Comment
  CAS-BOT-BC37587  Cardamine californica Willis Linn Jepson 1896-2-22 s.n. Napa Napa River Basin. Hills of St. Helena. 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
  CHSC31984  Cardamine californica L. Ahart 1976-3-7 1026 Napa Along edge of creek ca. 2 mi sw of Monticellow Dam. 152 Comment
  SEINET3165956  Cardamine californica var. californica C. D. Bailey 2008-3-19 258 Napa East of the town of Napa along Combsville Rd. Right turn onto Green Valley Rd. and ca. 1 mile up Green Valley Rd. Small population on uphill side of the rd (NW). More populations growing along Wild Horse Valley Rd. a short distance away. 122 Comment
  UCD83862  Cardamine hirsuta Ellen Dean; Stephen Rae 2010-3-15 5820 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCD19950  Cardamine oligosperma E. A. Dean; Virginia Boucher 2002-2-28 891 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  UCD41309  Cardamine oligosperma Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  UCD18021  Cardamine pachystigma Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 566 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
  JEPS53318  Cardaria draba John Thomas Howell 1926-4-3 1781 Napa near Yountville Comment
  OBI4703  Carduus pycnocephalus T. C. Fuller 1959-5-15 2432 Napa Fanner Prop., Sanitarium area Comment
  CAS-BOT-BC18182  Carex John H. Thomas 1969-4-29 15029 Napa Between road and railroad tracks at Yountville. Comment
  UC50828  Carex amplifolia J. P. Tracy 1902-5-21 1606 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  JEPS63517  Carex barbarae W. L. Jepson 1936-7-2 17664 Napa Angwin Meadow, Howell Mountain, Napa Range Comment
  JEPS63757  Carex barbarae W. L. Jepson 1918-6-25 7670 Napa Oakville, Napa Valley Comment
  UCD161335  Carex barbarae Jake Ruyget 1982-6-29 1341 Napa Napa County : 0.6 miles south of Yountville on Highway 29. (Coordinates estimated by label maker at UC Davis). 22 Comment
  SEINET7551520 Image available Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa Northwest Napa. Comment
  UCD161787  Carex bolanderi Jake Ruygt 1994-5-17 3384 Napa Linda Falls, Angwin. 402 Comment
  CAS-BOT-BC35069  Carex densa Lewis S. Rose 1935-6-4 35205 Napa East slope Mount St. Helena. Comment
  CAS-BOT-BC35074  Carex densa Peter H. Raven 1950-5-6 2019 A Napa Near Rt. 29, on Old Faithful Geyser road 2 miles north of Calistoga. Comment
  JEPS121325  Carex feta Jake Ruygt 1986-4-5 1680 Napa south side of Suscol Creek on ridge Comment
  JEPS76001  Carex feta W. L. Jepson 1936-6-1 17590 Napa Napa Range, Howell Mountain, west side of Four Corners Four Corners; Napa Range, Howell Mountain, Four Corners Comment
  UC1115816  Carex feta Joseph P. Tracy 1938-6-6 15845 Napa between Napa City and Yountville 30 Comment
  CAS-BOT-BC32052  Carex multicaulis Alice Eastwood 1922-5-4 1283 Napa In woods, Mt. St. Helena. Comment
  UCD73496  Carex nudata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC119514  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  UCD63854  Carex serratodens Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  CAS-BOT-BC117620  Carex serratodens Ella D. Cantelow 1939-8-8 2500 Napa 3.5 mi NW of Knoxville. 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
  RSA783701  Carex subbracteata Jake Ruygt 2009-6-22 3221 -b Napa Yountville Ecological Reserve. Yountville Cross Road. 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-BC115550  Carex tumulicola Peter H. Raven 1951-6-24 3023 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  JEPS129076  Carex tumulicola Jake Ruygt 2016-4-12 6185 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD161540  Carex tumulicola Jake Ruygt 1992-5-4 2932 Napa Westwood Hills Park, Browns Valley Road, Napa. 91 Comment
  UCD148091  Carthamus lanatus Jake Ruygt 2001-7-2 4317 Napa East of Lower Chiles Valley Rd. on Sage Canyon Rd. (Hwy 128) 155 Comment
  OBI4705  Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa F.J. Tamangi prop, W of Silverado Trl, 0.5 mi N of Larkmead Ln, ca 2 mi SE of Calistoga Comment
  RSA128552  Castilleja affinis Peter H. Raven 1952-5-26 4071 Napa E. side Wooden Valley Grade. 305 Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS110636  Castilleja affinis subsp. affinis Jake Ruygt 2001-3-31 4303 Napa ridge between Newell and American Canyon; Newell Open Space 198 Comment
  JEPS17072  Castilleja affinis subsp. affinis Rimo Bacigalupi with John Dawson 1955-4-25 4843 Napa about 0.75 mi w (below) Hennessey Lake Dam (along Conn Creek road) 79 Comment
  JEPS5803  Castilleja affinis subsp. affinis J. R. Sweeney 1954-3-17 1085 Napa near Hanley's Resort (along Lake County grade (Calif. 29), over shoulder of Mt. St. Helena); Mt. St. Helena 487 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
  JEPS128906  Castilleja ambigua var. meadii Jake Ruygt 1987-5-7 1967 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  JEPS103916  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7835 Napa Near summit between Calistoga and Middletown. Comment
  JEPS46013  Castilleja applegatei subsp. martinii L. R. Heckard 1957-7-26 817 Napa Summit of Mt. St. Helena road Mt. St. Helena (along Highway 29) 609 Comment
  RSA97987  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  UC199390  Castilleja applegatei subsp. martinii H. P. Chandler 1907-5-14 7580 Napa White Sulphur Springs; St. Helena Comment
  UCD122283  Castilleja applegatei subsp. martinii Alan P. Godlewski 1974-5-3 s.n. Napa West of Lake Berryessa, 100 yds. From Highway 128. Comment
  JEPS110668  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-3-31 253 Napa Suscol hill west of HWY 29 (221) 9 Comment
  JEPS9410  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 4 Napa Napa, hills sw Napa Comment
  JEPS9411  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 3 Napa Napa, hills sw Napa 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
  JEPS17096  Castilleja exserta subsp. exserta Rimo Bacigalupi with John Dawson 1955-4-25 4845 Napa junction of State Highway 37 State Highway 128 ((Soda Creek and Conn Creek roads)); Inner North Coast Ranges 112 Comment
  UCD122504  Castilleja foliolosa Paul C. Hutchinson 1963-3-3 2675 Napa 2 miles above the St. Helena Sanitarium, along the road to Pope Valley. Comment
  UCD18055  Castilleja foliolosa Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 609 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
  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
  UCD48224  Castilleja foliolosa R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 7 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD48225  Castilleja foliolosa E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 1 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  SEINET12329994  Castilleja foliolosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -306 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  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
  POM180774  Castilleja minor subsp. spiralis J. T. Howell 1930-10-19 5622 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  UC190969  Castilleja minor subsp. spiralis Katharine Brandegee 1910-8-26 Napa Aetna Springs Comment
  UC1238981  Castilleja minor subsp. spiralis Freed W. Hoffman 1950-6-30 3707 Napa e of Indian Valley; North Coast Ranges, Complexion Canyon Comment
  CDA41394  Castilleja rubicundula A. C. Browne 1953-5-27 s.n. Napa Calistoga. 0 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
  UCD160684  Castilleja rubicundula subsp. lithospermoides Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8756 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  JEPS2513 Image available Castilleja spiralis W. L. Jepson 1897-7-13 21113 Napa Butt's Canyon; ; Butt's Canyon, (Pope Valley to Coyote Valley), Napa Co. Comment
  UCD144653  Caulanthus lasiophyllus 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
  UC796624  Ceanothus confusus Ira L. Wiggins 1949-4-30 12083 Napa about 1.5 mi from Mount St. Helena, summit (on saddle) 1066 Comment
  SFV5087  Ceanothus cuneatus B. C. Templeton 1957-6-26 s. n. Napa Between Calistoga and Petrified Forest. Comment
  RSA0056195  Ceanothus cuneatus Keith E. Hoffmaster 1946-3-23 1225 Napa Napa range, along Napa-Monticello road. Comment
  UC18283  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-4-25 Napa trail to Caux's cabin. Napa River Basin Comment
  RSA602255  Ceanothus dentatus Louis C. Wheeler 1952-8-30 6874 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCR101771  Ceanothus dentatus L. C. Wheeler 1952-8-30 6874 Napa Manganese Ridge: Moore Creek, Howell Mtn Comment
  CAS-BOT-BC49786  Ceanothus divergens John Thomas Howell 1941-4-5 16167 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64437  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  CAS-BOT-BC64438  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  CAS-BOT-BC64440  Ceanothus divergens John Thomas Howell 1941-3-9 16154 Napa W. of Rutherford. Comment
  POM85919  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  RSA32477  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mile west of Calistoga-Napa Hwy 1 at a point 1.1 mile south of Calistoga at upper end of small fruit ranch Comment
  RSA169356  Ceanothus foliosus L. S. Rose 1964-4-2 46018 Napa 2 miles SW of Angwin. 244 Comment
  POM90701  Ceanothus foliosus C. C. Parry 1881-08 s.n. Napa Calistoga. Comment
  SEINET4411450 Image available Ceanothus foliosus C. C. Parry 1888-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC50911  Ceanothus foliosus var. foliosus Alice Eastwood 1923-5-9 11746 Napa Calistoga Comment
  CAS-BOT-BC50916  Ceanothus foliosus var. foliosus H. E. McMinn 1923-5-25 962 B Napa Summit Wooden Valley Grade Comment
  UCD73460  Ceanothus foliosus var. foliosus Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD95694  Ceanothus foliosus var. foliosus Ellen Dean; with Clare Loughran 2011-5-20 7041 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 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
  UCD148849  Ceanothus integerrimus Ellen Dean; Diana Hickson 2014-4-29 8152 Napa collected along Devilhead Rd in Cupressus woodland on BLM land. Exact location unknown. 487 Comment
  UCD162743  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1627 Napa Pope Canyon, S bank of Pope Creek. 644 Comment
Read comments Dec 8 2016
  UC1278729  Ceanothus jepsonii G. L. Stebbins 1949-5-9 3931 Napa 6.5 mi se Pope Valley (in Chiles Valley) Comment
  UC166029  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa 3-4 mi e Angwin's (Howell Mt., hills at head of Moore's Creek.); Northern Coast Ranges 365 Comment
  UCD20646  Ceanothus jepsonii R. J. Blenkush; J. H. Richards 2000-1-29 40 Napa McLaughlin Reserve. 1000 feet south of intersection of Hunting Creek Road with Devilhead Road. Collected within the vicinity of the chromite prospect. 536 Comment
  CAS-BOT-BC32695  Ceanothus jepsonii var. albiflorus John Thomas Howell 1937-7-18 13100 Napa Mt. St. Helena Creek, northern part of county Comment
  CAS-BOT-BC51129  Ceanothus jepsonii var. albiflorus Mrs. Cornelia S. Masters s.n. Napa mountains of Napa Co. Comment
  RSA22077  Ceanothus oliganthus var. sorediatus L. S. Rose 1939-4-16 39067 Napa 3 miles NE of Napa. 137 Comment
  UCD37180  Ceanothus oliganthus var. sorediatus Beecher Crampton 1958-4-22 4740 Napa Napa County, Vaca Mountains, Markley Canyon, Highway 128. Comment
  CAS-BOT-BC53210  Ceanothus parryi H. E. McMinn 1923-5-25 965 Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC53215  Ceanothus parryi David D. Keck 1931-4-2 1012 Napa Foot Wooden Valley Grade, west base of Napa Range, 4.5 miles NE of Napa 90 Comment
  JEPS42254  Ceanothus parryi Willis L. Jepson 1893-4-28 14023 Napa plateau betw Mt. George and Milliken Creek Wooden Valley grade; Napa Range Comment
  JEPS42392  Ceanothus parryi Willis L. Jepson 1893-5-6 14023 Napa Calistoga Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  UC917338  Ceanothus parryi R. L. Smith 1948-5-8 Napa 6 miles north of Aetna Springs, Pope Valley Comment
  UCD112492  Ceanothus parryi Beecher Crampton 1960-5-17 5540 Napa 6 miles west of Oakville. Comment
  UCD95896  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7042 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  JEPS48864  Ceanothus prostratus Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  CAS-BOT-BC52199  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade east of Napa Comment
  LA44990  Ceanothus purpureus Henry Reents; 1936-5-1 sn Napa Along Monticello Rd., 5 mi. out of Napa 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
  RSA293486  Ceanothus purpureus C. W. Tilforth, J. Dourley 1979-7-22 1853 Napa Along Wooden Valley Road, NE of Napa 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
  SEINET3162951  Ceanothus purpureus L. S. Rose 1939-4-16 39069 Napa 4 mi. ne. of Napa 198 Comment
  UC870639  Ceanothus purpureus Lewis S. Rose Apr 1939 39069 Napa 4 mi NE of Napa 198 Comment
  UCSB40793  Ceanothus purpureus Haller, John 1979-5-4 Napa Mead Ranch, near Atlas Peak Road, about 5 miles (by road) north of State Highway 121 and 9 miles north of Napa 487 Comment
  SEINET13946225 Image available Ceanothus purpureus Peter H. Raven 1950-1 1768 Napa Wooden valley Grade above napa. Alt. ca 1500 ft 457 Comment
  JEPS110661  Ceanothus sonomensis Jake Ruygt 1984-3-31 1523 Napa Devil's Canyon, Bismark Knob 624 Comment
  UC1736103  Ceanothus sonomensis Dean W. Taylor 1998-6-3 16455 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  SEINET265705  Ceanothus tomentosus Royal D. Suttkus 1967-6-26 67- 30 -12 Napa Clearly Reserves 7.2 miles northwest of Pope Valley. Comment
  CAS-BOT-BC282010  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort, Lake Berryessa, Vaca Mountains, about S arm of the lake Comment
  UC1199121  Centaurea calcitrapa Joseph P. Tracy 1940-10-27 16797 Napa Napa City Comment
  CAS-BOT-BC277210  Centaurea solstitialis A. D. E. Elmer 1903-7-1 4943 Napa Napa Comment
  NY444421  Centaurea solstitialis A. D. E. Elmer 07 1903 4943 Napa Napa Comment
  JEPS106536  Centaurium davyi Jake Ruygt 1978-5-27 339 Napa 3.6 miles NE of Monticello Rd. on Atlas Peak Rd. 237 Comment
  UC1328137  Centaurium trichanthum Donald V. Hemphill 1941-6-26 194 Napa 2 mi se Angwin 396 Comment
  UC22707  Centaurium trichanthum H. N. Bolander 1863-9-20 2652 Napa Pope Valley Comment
  SEINET10741264 Image available Centaurium trichanthum Charles C. Parry Parry s.n. Napa Calistoga. Comment
  UC1195666  Centaurium trichanthum A. R. Kruckeberg 1947-6-15 1493 Napa 0.7 mi w Knoxville (along Knoxville-Lowre Lake Road) Comment
  UC73535  Centaurium venustum Miss M. Alice King Napa St. Helena Comment
  UCD35668  Centranthus ruber Beecher Crampton 1960-5-17 5538 Napa About 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  UCD170276  Centromadia fitchii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 810 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  UC1034623  Centromadia fitchii Milo S. Baker 1932-5-8 5903 Napa near School House; Mill Creek Canyon Comment
  CAS-BOT-BC272821  Centromadia parryi subsp. parryi Milo S. Baker 1933-9-9 7543 Napa Near Calistoga Geyser Comment
  CAS-BOT-BC272822  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  UC406892  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  UC894333  Centromadia parryi subsp. parryi Milo S. Baker 1931-7-9 5348 Napa flat near Calistoga Geyser Comment
  CAS-BOT-BC279252  Centromadia pungens subsp. pungens Peter H. Raven 1951-9-9 3898 Napa Near Slaughterhouse Pt., Napa River 0 Comment
  UC421613  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 mi n Vallejo Comment
  JEPS112623  Centunculus minimus Jake Ruygt 1986-5-24 1782 Napa Pope Canyon Rd. at large vernal pool 187 Comment
  CAS-BOT-BC179386  Cercis occidentalis H. E. McMinn 1922-6-8 206 Napa Along Pope Creek in the canyon (not in the upper flats) by Pope Valley. Comment
  UC1540472  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa on Knoxville Rd 11 mi n Monticello Comment
  UC588162  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa on Knoxville Rd 11 mi n Monticello Comment
  UCD48886  Cercis occidentalis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 27 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd, N of jct with Cut-Off Rd. 152 Comment
  UCD73438  Cercocarpus betuloides 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-BC135487  Cercocarpus betuloides var. betuloides Peter H. Raven 1950-6-20 2359 Napa Napa Range between Conn Valley and Howell Mtn. Comment
  SBBG115436  Cercocarpus betuloides var. betuloides B. Crampton 1966-5-10 7715 Napa 9 mi E of Rutherford on St Hwy 128 Comment
  UC1328140  Cercocarpus betuloides var. betuloides Donald V. Hemphill 1940-3-22 47 Napa 2 mi w of Angwin (Bell's Canyon); Bell's Canyon 426 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
  UC26097  Cestrum parqui unknown 1893-1 Napa Napa City Comment
  UCD170660  Chaenactis glabriuscula var. glabriuscula 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 Comment
  POM54141  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville. Comment
  JEPS51913  Chamaesyce nutans W. L. Jepson 1894-11-7 13928 Napa below; Napa River Basin, Napa City Comment
  JEPS106427  Chamaesyce ocellata subsp. ocellata Jake Ruygt 1987-7-11 2065 Napa Tubbs Lane at Myrtledale Rd., Calistoga 118 Comment
  RSA92928  Chamaesyce serpillifolia P. H. Raven 1951-6-24 3011 Napa Napa to Brown's Valley. 61 Comment
  CHSC102530  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 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
  CHSC103011  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 -A 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
  UCD167089  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 2010-8-24 5754 Napa Barton Hill, northwest shore of Lake Berryessa. 131 Comment
  UC1130428  Chamaesyce serpyllifolia B. Schreiber 1936-9-20 2356 Napa 5 mi s Reiff 762 Comment
Read comments Jun 7 2013
  UC1925871  Chamaesyce serpyllifolia Ethel Crum Oct 1930 912 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  JEPS52333  Chamaesyce serpyllifolia W. L. Jepson 1894-11-5 13934 Napa near St. Helena; Napa River Comment
  UCD137456  Cheilanthes gracillima Herbert L. Mason 1936-3-14 2736 Napa Mt. St. Helena. Comment
  JEPS106846  Chenopodium berlandieri Jake Ruygt 1998-8-26 4107 Napa Big Ranch Road about 1/2 mile south of El Centro Ave. 16 Comment
  UCD148776  Chenopodium berlandieri Jake Ruygt 2006-7-22 5076 Napa Rutherford. Napa River north of Zinfandel Lane. 56 Comment
  UCD161537  Chenopodium berlandieri Jake Ruygt 1991-8-24 2834 Napa Napa River at Bale Lane. 80 Comment
  UC924252  Chenopodium multifidum H. S. Reed 1948-11-5 2055 Napa Berryessa Valley Comment
  UCD48267  Chlorogalum pomeridianum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 14 Napa Northen Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  UCD117756  Chlorogalum pomeridianum var. pomeridianum Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  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
  UCD14302  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yeards inside gate, next to road; 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-BC238000  Chloropyron molle subsp. molle Gordon True; Catherine Best 1981-9-12 s.n. Napa At Logan Island 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
  UCD169873  Chorizanthe membranacea Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 808 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 Comment
  JEPS38183  Chorizanthe membranacea Lauramay T. Dempster 1965-5-15 4094 Napa s Knoxville (below Cedar Valley, along Zim-Zim Creek); along Zim-Zim Creek 426 Comment
  UCD21554  Chorizanthe polygonoides var. polygonoides A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 8 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. Along Devil Head Road, just upslope (south) of Knoxville-Berryessa road. West side of Devilhead Road. 487 Comment
  CAS-BOT-BC252840  Chorizanthe polygonoides var. polygonoides Catherine Best 1980-4-12 s.n. Napa Rocky area on Stage Coach Canyon Road about 3 1/2 miles NW of Waller's Springs Comment
  JEPS116818  Chorizanthe polygonoides var. polygonoides David Gowen 2009-4-24 998 Napa Robert Louis Stevenson State Park, southeast of summit of Hwy 29, in the Table Rock area. Comment
  JEPS106527  Cicendia quadrangularis Jake Ruygt 1982-5-4 1226 Napa Suscol plain between Steel Mill and HWY 29 (221) 3 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
  UCD159451  Cichorium intybus D. S. Park 2010-8-5 207 -2 Napa East of Lake Hennessey. Rt. 128, Sage Canyon Rd. Disturbed, roadside. 102 Comment
  CDA1212  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
  CDA1214  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
  CAS-BOT-BC279969  Cirsium douglasii var. douglasii Gene Cornett 1952-6-2 s.n. Napa Napa Comment
  CDA1211  Cirsium douglasii var. douglasii T. C. Fuller, H. Stabo 1959-6-2 2647 Napa Southern Napa Co. 0 Comment
  JEPS59118  Cirsium douglasii var. douglasii Willis L. Jepson 1892-8-1 Napa Napa Valley Comment
  CDA1309  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2256 -B Napa 1.7 mi. west of Oakville; Oakville Grade Rd. cut west of Summit. Comment
  JEPS59276  Cirsium occidentale var. venustum W. L. Jepson 1923-4-29 9890 Napa St. Helena Comment
  JEPS106935  Cirsium remotifolium var. odontolepis Jake Ruygt 1992-6-22 3040 Napa west of Leoma Lakes, Wild Horse Valley Ranch 402 Comment
  UCD19925  Cirsium vulgare E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 780 Napa Quail Ridge Reserve. Decker Canyon, along Decker Bay trail. 140 Comment
  CAS-BOT-BC169771  Cistanthe quadripetala John Thomas Howell 1940-5-19 15460 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC169772  Cistanthe quadripetala Alice Eastwood 1915-6-6 4673 Napa Mt. St. Helena Comment
  CAS-BOT-BC160918  Clarkia amoena subsp. amoena E. Ruckert 1960-4-29 131 Napa 6495 Dry Creek Road 396 Comment
  RSA120889  Clarkia amoena subsp. amoena G. D. Barbe 1957-7-4 372 Napa 0.1 mi. NW of Christian Bros. Mt. LaSalle School on Redwood Road 6.1 miles west of Hwy 29 and Napa Comment
  RSA449282  Clarkia breweri Rockwell s.n. Napa St. Helena. Comment
  UCD71256  Clarkia concinna Linda Coats 1983-6-3 54 Napa Lower Chiles Valley Road, 3 miles north of State Highway 128. 259 Comment
  SBBG4945  Clarkia concinna H. and M. Dearing 1939-4-30 3237 Napa above St Helena Comment
  SEINET5740167 Image available Clarkia concinna Sondra Pearman 1964-1 16 Napa State Hwy 128, ca. 3 miles SW of Monticello Dam.; Monticello Dam Comment
  UCD104448  Clarkia concinna subsp. concinna L. P. Thibault 1995-5-19 39 Napa Along Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 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
  CAS-BOT-BC164534  Clarkia gracilis subsp. albicaulis Peter H. Raven 1952-6-28 4210 Napa Chiles Valley 243 Comment
  JEPS120373  Clarkia gracilis subsp. sonomensis Jake Ruygt 1998-6-13 4025 Napa Redwood Road at Mt. Veeder Road. Napa 7.5' Quad. Comment
  UCD81825  Clarkia gracilis subsp. sonomensis Ellen Dean 2009-4-24 5452 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  RSA0060035  Clarkia gracilis subsp. sonomensis Reino Alava 1957-5-30 1010 Napa 0.7 mile west of the Chiles Valley School. Comment
  CAS-BOT-BC163693  Clarkia purpurea subsp. quadrivulnera Thomas W. Nelson; Jane P. Nelson 1980-5-3 5135 Napa Along St. Helena-Pope Valley Rd. 1 mile west of Angwin Comment
  UCD81814  Clarkia purpurea subsp. quadrivulnera Ellen Dean 2009-4-24 5441 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC163825  Clarkia purpurea subsp. quadrivulnera Dr. E Goodman 1921-5-23 s.n. Napa Mt. St. Helena Comment
  UCD167273  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1992-5-25 3001 Napa West side of south lake, Wild Horse Valley Ranch. 457 Comment
  UCD169614  Clarkia unguiculata Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  UCD18489  Clarkia unguiculata P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  JEPS112617  Claytonia exigua subsp. exigua Jake Ruygt 1998-4-22 3932 Napa Tributary to Cement Creek. 228 Comment
  CAS-BOT-BC439133  Claytonia exigua subsp. exigua H. L. Mason 1926-3-14 2716 Napa Mount St. Helena Comment
  HSC17756  Claytonia exigua subsp. exigua C. B. Wolf 1928-2-25 1495 Napa Mt. St. Helena Grade, 5 mi. N of Calistoga Comment
  UC7940  Claytonia exigua subsp. exigua Willis L. Jepson 1893-4-29 Napa reservoir near St. Helena; Napa River Basin Comment
  CAS-BOT-BC233837  Claytonia parviflora subsp. parviflora Peter H. Raven 1953-4-2 5253 Napa Hills e. of Imola 121 Comment
  JEPS112613  Claytonia parviflora subsp. parviflora Jake Ruygt 1997-3-18 3805 Napa Greenfield Road 213 Comment
  UCD20831  Claytonia perfoliata N. Nicola 2001-3-30 047 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  JEPS43304  Claytonia perfoliata subsp. perfoliata W. L. Jepson 1893-3-13 Napa St. Helena Comment
  SBBG50563  Clematis lasiantha C. D. Spencer 1972-4-16 31 Napa Soda Cyn Rd, 8.2 mi from US Post Office on Trancas Avenue, Napa 609 Comment
  SEINET9364415  Clematis lasiantha Unknown 1995-4-16 Napa Napa County Comment
  UC9066  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's ?> Cabin Napa R. Basin Comment
  JEPS110884  Clematis ligusticifolia Jake Ruygt 1998-8-29 4111 Napa Berryessa-Knoxville Road at crossing of Eticuera Creek. 216 Comment
  CAS-BOT-BC92680  Clematis ligusticifolia H. E. McMinn 1922-8-1 384 Napa Unspecified. Comment
  JEPS7321  Collinsia heterophylla Rachel Wilcox 1944-5-9 Napa Conn Valley Comment
  UC1196847  Collinsia heterophylla Joseph P. Tracy 1902-5-21 12484 Napa 3-4 mi e of Angwins (Howell Mountain, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  UCD70469  Collinsia heterophylla P. J. Plummer 1995-6-5 s.n. Napa Napa County West of city of Winters, along hwy 128. Growing under shrubs on open hillside. Flowers purple and white. 73 Comment
  UC192735  Collinsia heterophylla C. F. Sonne Apr 1897 Napa near Napa City Comment
  UCD123653  Collinsia sparsiflora G. F. Hrusa; S. Larson 1995-4-10 12064 Napa along Chiles Valley/Pope Valley Road approximately 2 meters south of Pope Canyon Road intersection. North Coast Biodiversity Arena. 175 Comment
  UCD123659  Collinsia sparsiflora R. L. Smith 1948-5-8 s.n. Napa Pope Valley. Comment
  UCD69030  Collinsia sparsiflora P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa, Lower Chiles Valley Road. 255 Comment
  UCD71289  Collinsia sparsiflora Kook-Hyun Chung 2001-4-28 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, On edge of opening interior live oak woodland; flower purple with white center, annual 242 Comment
  SEINET10548306  Collinsia sparsiflora John T. Middleton 1936-4-18 Middleton 77 Napa Near monticello. Comment
  UCD20036  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1202 Napa Mount Saint Helena, in area where J. M. Tucker hybridized Quercus. Comment
  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
  JEPS6350  Collinsia sparsiflora var. arvensis H. M. Wheeler 1944-3-27 Napa ca 1.8 mi n of s end of Conn Valley (Conn Ranch) 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
  JEPS112528  Collinsia sparsiflora var. collina Jake Ruygt 1997-4-5 3823 Napa S of intersection of Butts Canyon Road with James Creek Road 207 Comment
  JEPS29585  Collinsia sparsiflora var. collina Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8442 Napa 4.8 miles N of Vichy Springs junction (with Calif. 37) along Atlas Peak road; due W of and above Milliken Reservoir. 335 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
  UC26552  Collinsia sparsiflora var. sparsiflora Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UCD49281  Collinsia sparsiflora var. sparsiflora A. Van Houtte; E. Leger and C. Hohn 2001-4-14 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  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
  CAS-BOT-BC229531  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  CAS-BOT-BC229540  Collomia diversifolia Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon Comment
  SEINET2444680 Image available Collomia diversifolia Dean W. Taylor 1998-6-18 16671 Napa Butts Canyon. Small side canyon 0.5 mi above (north of) mouth into Pope Valley.; 0 290 Comment
  RSA10667  Collomia heterophylla C. B. Wolf 1928-5-3 1822 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA92933  Collomia heterophylla P. H. Raven 1951-6-26 3067 Napa Wooden Valley Grade 305 Comment
  JEPS129156  Conium maculatum Jake Ruygt 1978-6-18 358 Napa 100 yards east of Maxwell Bridge. Napa 7.5' Quad. Comment
  JEPS122712  Conyza bonariensis Jake Ruygt 1995-6-5 3487 Napa About 1.5 miles SE of Sage Canyon Road from boat dock. Quad: Yountville. Comment
  JEPS41835  Conyza canadensis W. L. Jepson 1939-9-12 19484 Napa 1 mi w Spring Mountain summit (w of St. Helena); Spring Mountain Comment
  JEPS120436  Corallorhiza striata Jake Ruygt 1988-4-11 2140 Napa Newell Canyon. Comment
  RSA128655  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1951-8-21 3864 Napa Ridge s.e. of Mt. Veeder. 671 Comment
  JEPS6778  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1893-9-23 21338 Napa near Calistoga; Upper Napa Valley, Napa River Basin Comment
  RSA537658  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang, Carl Chuang 1972-7-22 7073 Napa 2 mi. N. of St. Helena. Comment
  SD131925  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, C. L. Custer, G. T. Robbins 1954-8-9 4750 Napa grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort Comment
  OBI9573  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
  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
  UC1357611  Cordylanthus pringlei R. F. Hoover 1966-8-23 9922 Napa 0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena 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
  CAS-BOT-BC238222  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa East side of Mt. St. Helena Comment
  UCD32569  Cornus glabrata Beecher Crampton 1954-5-20 1920 Napa 3 miles east of Rutherford, along highway 128, Sage Canyon, Conn Creek. Comment
  JEPS50159  Cornus nuttallii W. L. Jepson 1924-4-27 10385 a Napa Mt. St. Helena Comment
  OBI15276  Cornus nuttallii H. E. McMinn 1936-4-4 4382 Napa Howell mt, near Bird reguge Comment
  UC1543150  Cornus nuttallii Charlotte G. Nast 1936-4-17 87 Napa Mt. St. Helena Comment
  UCSB19154  Cornus nuttallii Rankine, Jane 1965-4-13 Napa 4 miles east of Pope Valley; on the road between Pope Valley and Anqwin Comment
  UC127159  Cornus sericea subsp. sericea Harley P. Chandler Sep 7 1906-Sep 14 1906 7150 Napa Alta Loma Ranch 487 Comment
  CAS-BOT-BC180343  Corylus cornuta subsp. californica Alice Eastwood 1915-6-5 4653 Napa Calistoga Comment
  JEPS126115  Corylus cornuta subsp. californica Jake Ruygt 1987-5-16 1992 b Napa Bismark Knob. Sonoma 7.5' Qua. Comment
  POM41962  Cotula coronopifolia Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC1198823  Crassula aquatica Joseph P. Tracy 1902-5-21 1609 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 518 Comment
  CAS-BOT-BC427748  Crassula connata Peter H. Raven 1953-4-2 5242 Napa Hills e. of Imola 121 Comment
  UCD74322  Crepis pulchra Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS120403  Crocanthemum scoparium var. vulgare Jake Ruygt 2004-5-8 4600 Napa near Lone Pine Thicket, off Devilhead Comment
  CHSC102518  Croton setiger Lowell Ahart 2009-10-12 16438 Napa Below the high water line on Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC190055  Crypsis schoenoides Peter H. Raven 1951-10-28 3936 Napa Strand at west end of Conn Lake. 152 Comment
  UCD59925  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  UCD59944  Crypsis schoenoides Beecher Crampton 1963-9-19 6898 Napa North end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  SEINET4343822 Image available Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7958 Napa Lake Hennessey ca 15 airmiles NN of Napa, on Conn Creek in North Coast Ranges, S side Rt 128 across from spillway, roadside near seepage. 91 Comment
  JEPS122995  Crypsis vaginiflora Jake Ruygt 1990-1-29 2432 Napa Napa Range about 1/2 mile south of Circle Oaks. Quad: Capell Valley. Comment
  CAS-BOT-BC33118  Cryptantha clevelandii var. florosa Charles Fuller Baker 1903-5-8 2966 Napa Knoxville Comment
  UCD170358  Cryptantha flaccida Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 857 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 456 Comment
  JEPS106702  Cryptantha hispidula Jake Ruygt 1993-5-1 3239 Napa end of Cedar Creek Rd, to southwest 420 Comment
  UCD170433  Cryptantha hispidula Daniel Potter; Peter Lash 2017-3-28 905 Napa Knoxville Wildlife Area, on road on ridge above and east of upper Zim Zim Creek drainage, west of Berryessa-Knoxville Road. 537 Comment
  UCD63863  Cryptantha hispidula Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. Knoxville Public Lands close to Hunting Creek. 650 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
  UCD74364  Cryptantha hispidula Jake Ruygt 1991-5-25 2697 Napa Paradise Valley. 274 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
  RSA74040  Cryptantha intermedia Milo S. Baker 1947-7-7 11848 Napa Near end of wood road leading S from Mt. St. Helena Inn. 915 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-BC80717  Cupressus macnabiana J. Clausen 1935-5-22 1062 Napa 15.9 mi. SE of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  CAS-BOT-BC80718  Cupressus macnabiana J. Clausen 1935-5-22 1062 Napa 15.9 mi. SE of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  CHSC108742  Cupressus macnabiana B. Castro; L. P. Janeway 2002-5-12 1362 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  JEPS41068  Cupressus macnabiana Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9105 Napa 1 mi n of headwaters of Zim Zim Creek (along Devilhead Road); Devilhead Road 493 Comment
  NY16702  Cupressus macnabiana P. H. Raven 1951-10-28 3958 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
  RSA92799  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa Knoxville. 457 Comment
  UC1076280  Cupressus macnabiana H. L. Mason 1924-1-23 1208 Napa Pope Canyon Comment
  UC1076281  Cupressus sargentii H. L. Mason 1926-1-2 2606 Napa Toll House Canyon Mt. St. Helena Comment
  UCD167649  Cupressus sargentii Andrew Fulks 2015-3-21 s.n. Napa Cedar Roughs Wilderness Area, west of Lake Berryessa. 552 Comment
  RSA996  Cupressus sargentii J. T. Howell 1927-8-24 691 Napa Butts Valley, Napa Range Comment
  SEINET10531522  Cupressus sargentii Mary Susan Taylor, E. Pierce 1981-5-17 Taylor 3756 Napa Calistoga Pass, both sides of Hwy 29, ca 1 mile south of Lake County line. 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
  JEPS120413  Cuscuta Jake Ruygt 2010-6-19 5608 Napa Berryessa-Knoxville Rd. north of Knoxvile site, at vernal pool. 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
  JEPS116544  Cuscuta pentagona Jake Ruygt 2008-8-16 5366 Napa Big Ranch Road, south of El Centro Ave. Van Winden property, pond. Napa 7.5' Quad. Comment
  JEPS43036  Cuscuta subinclusa W. L. Jepson 1939-9-12 19480 Napa w of St. Helena; Spring Mountain, York Creek Comment
  JEPS47143  Cuscuta subinclusa W. L. Jepson 1894-11-5 70 b Napa Rural Health Retreat Napa Valley, St. Helena Comment
  UCD161785  Cuscuta subinclusa Jake Ruygt 2002-9-4 4454 Napa Sutro Ranch, near north end of Fir Canyon. 609 Comment
  SEINET183891  Cynoglossum grande L. Constance 1938-3-27 2038 Napa E slope in Howell Mtns 5 mi E of Napa N Coast Ranges 457 Comment
  UCD119154  Cynoglossum grande Collector unknown Date unknown s.n. Napa location unknown. Comment
  UCD121132  Cynosurus echinatus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7342 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  CAS-BOT-BC114721  Cyperus difformis John Thomas Howell 1932-10-8 10798 Napa Wet soil of roadside hollow, 7 mi S of Napa. Comment
  JEPS64097  Cyperus eragrostis W. L. Jepson 1938-10-1 19049 Napa e. slope Mt. St. Helena (just beyond pass (Molly Patton Inn)) Comment
  JEPS121341  Cyperus niger Jake Ruygt 1986-7-29 1889 Napa Milliken Drive, Silverado Country Club. Comment
  JEPS77929  Cyperus niger Edward Lee 1935-12-1 1674 Napa rd. from Napa to Wooden Valley (ca. 0.7 mi. beyond (s. of) 1st. stop, Sarco Creek); Howell Mts., Sarco Creek Comment
  UCD161700  Damasonium californicum Jake Ruygt 2010-6-7 5600 Napa Crystal Lake, west of Capell Canyon. (Coordinates converted from UTM data by label maker.) 362 Comment
  JEPS7760  Datura stramonium Peter H. Raven 1951-10-28 3951 Napa c 8 mi se Knoxville (Eticuera Creek); Eticuera Creek 304 Comment
  JEPS115751  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  UCD160779  Daucus pusillus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8659 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
  UCD48429  Daucus pusillus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Road ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 228 Comment
  UCD69025  Daucus pusillus P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  POM161348  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mt, 10 miles W of St Helena Comment
  UCD74353  Delphinium hesperium G. Ledyard Stebbins 1967-5-30 6524 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD81471  Delphinium hesperium G. L. Stebbins 1967-5-30 6524 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC10195  Delphinium hesperium Belle R. Jackson 1930-6-8 s.n. Napa Old Toll Road near Toll House, N side of Mt. St. Helena Comment
  JEPS110986  Delphinium hesperium subsp. pallescens Jake Ruygt 1978-5-21 329 Napa 4.5 miles north of Sage Canyon Rd. on Chiles and Pope V. Rd 259 Comment
  CAS-BOT-BC10107  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa 13.4 miles North of Monticello Comment
  CAS-BOT-BC10108  Delphinium hesperium subsp. pallescens Milo Samuel Baker 1932-4-26 5692 Napa Pope Creek Road perhaps 12 to 15 mi. from Monticello Comment
  CAS-BOT-BC9820  Delphinium nudicaule P. H. Raven 1957-5-5 10772 Napa At western edge of Calistoga 182 Comment
  UC635357  Delphinium nudicaule H. L. Mason 1926-3-14 2723 Napa Mount Saint Helena Comment
  UCD15024  Delphinium nudicaule K. A. Bear 1978-4-23 33 Napa along Lower Chiles Road, 1.4 miles SW of intersection of Chiles and Pope Valley Roads; 128 Comment
  CAS-BOT-BC9811  Delphinium nudicaule Belle R. Jackson 1930-6-8 s.n. Napa On Old Toll Road below Patten's Mt. St. Helena region Comment
  RSA122776  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa Wooden Valley Grade, 5.2 miles NNE of Napa. 274 Comment
  UC1126049  Delphinium patens A. Lewis 1932-5-13 73 Napa Calabasas Creek Napa Quadrangle 365 Comment
  UC160910  Delphinium patens Joseph P. Tracy 1902-5-15 1475 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD32413  Delphinium patens Beecher Crampton 1950-5-7 568 Napa Napa County, east side of Napa Valley, along Silverado Trail, along roadside entering southern portion of Conn Valley. 68 Comment
  CAS-BOT-BC116497  Delphinium patens subsp. patens Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 Comment
  CAS-BOT-BC116490  Delphinium patens subsp. patens P. H. Raven 1957-5-6 10775 Napa Hills at western edge of Calistoga 182 Comment
  JEPS23342  Delphinium uliginosum W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge; ne Napa Co. Comment
Read comments Mar 29 2015
  JEPS60632  Delphinium uliginosum W. L. Jepson 1938-6-8 18900 Napa Snell Valley and Butts Canyon Comment
  SFV1290  Delphinium uliginosum A. Day 1965-5-15 65 126 Napa Cedar Valley, west of Lake Berryessa. Comment
  UC1328141  Delphinium uliginosum Donald V. Hemphill 1941-5-15 167 Napa 2 mi se Angwin (seepage slopes); Blakes Canyon 426 Comment
  CAS-BOT-BC7911  Delphinium variegatum Ella D. Cantelow 1939-4-8 2523 Napa Pope Creek, near Jct. of Samuel's Springs Road Comment
  RSA149657  Delphinium variegatum Harlan Lewis, G. Mehlquist 1941-5-8 s.n. Napa Monticello to Napa road 5.1 miles S of the road to St. Helena Comment
  UC1031436  Delphinium variegatum H. Lewis and G. Mehlquist 1941-5-9 Napa 16.2 mi n Monticello Comment
  UCD96742  Delphinium variegatum R. L. Smith 1948-5-8 s.n. Napa Near Edmunds Springs, east branch of Monticello Valley. Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  UC160941  Delphinium variegatum subsp. variegatum Joseph P. Tracy 1902-5-20 1566 Napa lower slopes of mt. near St. Helena; Northern Coast Ranges, Howell Mt. 304 Comment
  UCD35337  Dendromecon rigida Beecher Crampton 1955-5-10 2770 Napa 6 miles south of Middletown. Comment
  UCD35456  Deschampsia cespitosa Beecher Crampton 1957-5-8 4000 Napa Napa County. North end of Capell Valley. Comment
  UCD61153  Deschampsia cespitosa Beecher Crampton 1957-5-8 4000 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCR43085  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  UC766810  Deschampsia danthonioides R. F. Hoover 1941-4-26 4922 Napa Pope Valley Comment
  UCD164842  Deschampsia danthonioides Jake Ruygt 2012-5-19 5849 -b Napa Near Stone Corral Creek, Spanish Valley. 219 Comment
  UC187276  Deschampsia elongata J. P. Tracy 1902-5-19 1552 1/2 Napa 3 - 4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  CHSC108733  Dicentra chrysantha B. Castro; L. P. Janeway 2002-5-12 1361 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  JEPS110779  Dicentra chrysantha Jake Ruygt 1998-6-24 4050 Napa On ridge above Apple Tree Canyon, Blue Ridge. 542 Comment
  JEPS64159  Dichelostemma capitatum Willis L. Jepson 1893-5-2 20968 Napa e from Calistoga (on New Pope Valley grade); Napa Range, New Pope Valley Grade Comment
  UCD48778  Dichelostemma capitatum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 27 Napa Quail Ridge Reserve, along Decker Ridge Rd., N of jct with South Decker Canyon Road. 335 Comment
  JEPS64149  Dichelostemma capitatum W. L. Jepson 1938-5-24 18848 Napa below Four Corners (at the hair-pin bend in road); Napa Range, Howell Mountain 762 Comment
  JEPS64153  Dichelostemma capitatum W. L. Jepson 1897-5-2 20985 Napa St. Helena Napa Valley Comment
  UCD139436  Dichelostemma capitatum subsp. capitatum M. R. Wanzer 1948-4-3 4 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  UCD170816  Dichelostemma capitatum subsp. capitatum 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD48780  Dichelostemma capitatum subsp. capitatum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  CAS-BOT-BC502161  Dichelostemma congestum Betty H. Johnson 1958-6-15 642 Napa Near creek, 1/4 mi above Mt. Mills house, 6.4 miles SW of Middletown. Comment
  JEPS64143  Dichelostemma volubile W. L. Jepson 1920-5-25 9048 Napa Zem Zem, ne Napa Co. Comment
  CAS-BOT-BC151960  Diplacus douglasii Maxine Wilkes 1940-5-1 s.n. Napa Headwaters of St. Helena Creek Comment
  CAS-BOT-BC153276  Diplacus kelloggii Alice Eastwood 1915-6-6 4662 Napa Mt. St. Helena Comment
  SD241953  Diplacus layneae Dean Wm. Taylor, Mey Akasah 1999-6-3 17224 Napa Ridge dividing Eticeura Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road (Knoxville 532D 7.5'Q) Recently dozed jeep road along ridgeline. 594 Comment
  JEPS8807  Dipsacus fullonum W. L. Jepson 1936-5-30 17563 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  JEPS8808  Dipsacus fullonum W. L. Jepson 1936-5-30 17562 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  RSA604106  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa along trail running along southwest side of Lake Bereyessa, 100 m from Knoxville Rd. 250 Comment
  UCD15062  Dodecatheon hendersonii Jonathan M. Irvine 1977-4-16 106 Napa California, Napa Co.; along Highway 128, 6.4 miles south-southwest of Monticello Dam; Comment
  UC725316  Dodecatheon hendersonii A. A. Heller 1929-3-16 14817 Napa grade near foot Mt. St. Helena; grade near foot of Mt. St. Helena Comment
  UCD15067  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam, on the left side of the road while travelling southwest; 213 Comment
  UCD15068  Dodecatheon hendersonii Alan B. Chan 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 152 Comment
  UCD75836  Downingia concolor var. concolor Jake Ruygt 1993-5-1 3245 Napa Pope Canyon Rd. at large vernal pond. 187 Comment
  JEPS106568  Downingia pusilla Jake Ruygt 1981-3-26 1148 Napa east of Rocktram, west of HWY 221 3 Comment
  UCD17966  Draba verna Ellen Dean; Kate Mawdsley 2001-4-9 685 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
  UC420566  Drymocallis glandulosa var. wrangelliana H. P. Chandler 1907-5-14 7583 Napa St. Helena , St. Helena (White Sulphur Spring) Comment
  CAS-BOT-BC70942  Dryopteris arguta Elsa G. Ruckert 1960-3-12 22 Napa Bordering private road leading to 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC70943  Dryopteris arguta Betty H. Johnson 1958-6-20 664 A Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  POM346349  Dryopteris arguta F. R. Fosberg 1967-9-10 48643 Napa Near Haven place above St Helena Comment
  JEPS49910  Dudleya caespitosa H. P. Chandler 1907-5-14 7570 Napa White Sulfer Springs St. Helena Comment
  UCD101886  Dudleya cymosa Michael Fleschner 1965-5-13 13 - Napa next to Zim Zam Creek near Cedar Valley, west of Berryessa Knoxville Road, north of Lake Berryessa. Comment
  CAS-BOT-BC428157  Dudleya cymosa subsp. cymosa Betty H. Johnson 1958-6-15 618 Napa Near St. Helena River, 6.4 mi. S-W. of Middletown Comment
  CHSC102279  Echinochloa colona Lowell Ahart 2009-10-12 16463 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
  JEPS122984  Echinochloa crus-galli Jake Ruygt 1986-6-21 1839 Napa Napa Sanitation treatment ponds. Quad: Cuttings Wharf. Comment
  POM257337  Echinochloa crus-galli Virginia Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helen) 111 Comment
  SEINET186064 Image available Echinochloa crus-galli V. E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena); near pumping plant 111 Comment
  UCSB61647  Echinodorus berteroi Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; E of boat-launching ramp 91 Comment
  JEPS126048  Egeria densa Jake Ruygt 2005-4-10 4754 Napa Lake Camille. Mount George 7.5' Quad. Comment
  UCD167244  Ehrendorferia chrysantha Jake Ruygt 2000-6-10 4269 Napa Devilhead Road at top of first grade. 493 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
  UCD161710  Eleocharis engelmannii Jake Ruygt 2010-8-7 5699 Napa Friesen Lakes, Dear Lake. 594 Comment
  JEPS121357  Eleocharis palustris Jake Ruygt 1991-9-14 2779 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  SEINET9358379  Eleocharis palustris Unknown 1935-6-4 35199 Napa Napa Comment
  JEPS121353  Eleocharis parvula Jake Ruygt 1986-7-13 1879 b Napa SW of Buchli Station near county line Comment
  HSC9721  Elymus glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi. N of Calistoga, on the Mt. St. Helena Grade. 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
  UCD61793  Elymus glaucus Beecher Crampton 1965-6-30 7419 Napa Ridge north of Mt. Vaca. 762 Comment
  JEPS122979  Elymus glaucus subsp. glaucus Jake Ruygt 1988-6-4 2212 Napa South slope Mt. St. Helena above Red Hill. Quad: Detert Reservoir. Comment
  JEPS122980  Elymus glaucus subsp. glaucus Jake Ruygt 1990-5-16 2551 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. 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
  SACT001119  Elymus glaucus subsp. glaucus John Willoughby 1975-5-23 Napa West of Monticello Dam, in foothill woodland. Comment
  JEPS122976  Elymus multisetus Jake Ruygt 1986-5-17 1768 Napa 0.4 mile east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  UC187091  Elymus multisetus Joseph P. Tracy 1904-5-23 2098 Napa near Calistoga; Northern Coast Ranges, Napa Valley 243 Comment
  UCD73506  Elymus multisetus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD54561  Emmenanthe penduliflora K. Walker; PLB 102 2006-5-13 2 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS110696  Epilobium brachycarpum Jake Ruygt 1992-5-6 2947 Napa Wild Horse Valley Ranch, west of Mitten Lake 420 Comment
  CAS-BOT-BC166345  Epilobium canum subsp. canum Peter H. Raven 1951-8-22 3883 Napa 2 8/10 miles from Lokoya on Napa Rd. 228 Comment
  UC221399  Epilobium canum subsp. canum H. M. Hall 1923-10-15 11951 Napa near Calistoga (n of town) Comment
  UCD167248  Epilobium densiflorum Jake Ruygt 1996-7-13 3774 Napa Angwin, near Sanitation ponds. 481 Comment
  UC35410  Epilobium foliosum Willis L. Jepson 1894-5-3 Napa St. Helena Napa River Basin Comment
  JEPS39211  Epilobium minutum W. L. Jepson 1924-4-27 10374 Napa Toll House Mt. St. Helena Comment
  UCR261611  Epilobium minutum Ann Howald 2003-4-23 2304 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  UCD167254  Epilobium minutum Jake Ruygt 1992-4-10 2904 Napa Johnson's Meadow, Wild Horse Valley Ranch. 426 Comment
  UCD106906  Epilobium torreyi K. Esau; D. Hartmann 1941-7-17 s.n. Napa Near Middletown. Comment
  CAS-BOT-BC56978  Equisetum arvense Peter H. Raven 1952-5-31 4111 Napa Conn Cr. e. of Yountville 45 Comment
  JEPS103964  Equisetum telmateia Jake Ruygt 1979-4-8 493 Napa Mt. St. Helena, at base of fire trail 658 Comment
  RSA756432  Eragrostis hypnoides Barbara Ertter, Elizabeth Neese 1988-10-2 7972 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
  JEPS106940  Ericameria arborescens Jake Ruygt 1991-12-7 2849 Napa Mead Ranch, Atlas Peak Rd, ridge over Soda Canyon 554 Comment
  CAS-BOT-BC295130  Erigeron greenei Joseph P. Tracy 1938-8-7 16089 Napa Soda Creek Canyon. Napa Valley, between Napa City and Yountville 91 Comment
  UCD164757  Erigeron philadelphicus var. philadelphicus Jake Ruygt 2014-5-24 5957 Napa Pope Creek, Pope Canyon. 148 Comment
  UCD63172  Erigeron reductus var. angustatus Jake Ruygt 2007-7-1 5247 Napa West of Hwy 29, near Lake County line. 464 Comment
  RSA602572  Eriodictyon californicum Louis C. Wheeler 1952-8-30 6878 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCD118350  Eriodictyon californicum Reed Crane; 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. 403 Comment
  UCD119248  Eriodictyon californicum Kamala Crompton 1996-4-21 2 Napa Along Road 128. 180 Comment
  UCD48048  Eriodictyon californicum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 2 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD49083  Eriodictyon californicum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  CAS-BOT-BC242608  Eriogonum dasyanthemum Peter H. Raven 1951-6-26 3080 Napa Cappell [Capell] Valley 365 Comment
  JEPS120423  Eriogonum dasyanthemum Jake Ruygt 2010-8-24 5762 Napa Barton Hill, northwest shore of Lake Berryessa. Comment
  POM209422  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  UC419723  Eriogonum gracile Mrs. H. P. Bracelin 1930-10-19 110 Napa near entrance Conn Creek; Sage Canyon Comment
  RSA0005059  Eriogonum latifolium var. parvulum S. G. Stokes 1933-8-27 88 Napa End of Sage Valley, Napa Mountains. Comment
  CAS-BOT-BC266055  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Range Comment
  UCD149671  Eriogonum luteolum 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
  CAS-BOT-BC266063  Eriogonum luteolum John Thomas Howell 1929-10-26 4535 Napa Flood plain of creek 1 mile NW of Calistoga Comment
  JEPS56162  Eriogonum luteolum W. L. Jepson 1907-11-30 2876 Napa near Yountville; Stag's Leak Comment
Read comments Nov 12 2011
  SEINET3405141 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa mountains. Comment
  UC6529  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UC85734  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  OBI47600  Eriogonum nudum L. F. LaPre & R. Bjork, R. Bjork 1986-7-13 s.n. Napa Hunting Crk, 1/2 mi S of Dunnigan Hill (Jericho Valley 7.5' quad) 335 Comment
  CAS-BOT-BC268979  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
  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
  JEPS120353  Eriogonum tripodum Jake Ruygt 1987-6-26 2056 Napa North of Devilshead Road near Hunting Creek. Knoxville 7.5' Quad. Comment
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  SEINET3386691 Image available Eriophyllum lanatum Lewis S. Rose 1934-5-23 34275 Napa N. Slope of Mt. St. Helena 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
  UCD48638  Eriophyllum lanatum K. Mogel; B. Pekin and M. Higley 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 100 ft. along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  POM41575  Eriophyllum lanatum var. achilleoides Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC301047  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa On the Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  JEPS34726  Eriophyllum lanatum var. achilleoides W. L. Jepson 1936-5-31 17573 Napa La Jota Howell Mt., La Jota Comment
  RSA92826  Eriophyllum lanatum var. achilleoides Peter H. Raven 1952-5-31 4136 Napa Summit of hills SW of Rector Canyon 305 Comment
  POM180788  Eryngium aristulatum var. aristulatum J. T. Howell 1930-7-13 5369 Napa Near Myrtledale Hot Springs, upper Napa Valley Comment
  UC21007  Eryngium articulatum Willis L. Jepson 1894-1 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  UCD147457  Eryngium castrense Ellen Dean; Diana Hickson 2014-4-29 8070 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS97927  Erysimum capitatum Jake Ruygt 1998-5-4 3960 Napa N of Flosden Road American Canyon 158 Comment
  JEPS106770  Erysimum capitatum var. capitatum Jake Ruygt 1996-4-12 3610 Napa Blue Ridge, north of Monticello Dam. 670 Comment
  POM225553  Erysimum capitatum var. capitatum J. T. Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  SEINET14045891 Image available Erythranthe microphylla Peta C. Lewis 1967-1 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  UCSC009037  Erythranthe nudata Dylan M. Neubauer 2015-4-26 139 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC124173  Erythronium helenae Elmer Ivan Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa County; slope just E of the Palasades on old stage road Comment
  CAS-BOT-BC402791  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402792  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa Canyon between Monticello and Pope Valley Comment
  JEPS110735  Eschscholzia caespitosa Jake Ruygt 1994-3-15 3314 Napa Chiles Canyon Road about 1 mile from Chiles Valley 350 Comment
  JEPS110780  Eschscholzia caespitosa Jake Ruygt 1989-4-8 2248 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  UC614560  Eschscholzia caespitosa L. Constance 1938-3-27 2043 Napa near Capell Valley (8 mi s of Monticello); North Coast Ranges, Napa Range, Steel Canyon 304 Comment
  CAS-BOT-BC402789  Eschscholzia caespitosa J. Clausen 1935-5-22 1067 Napa 19.5 mi. S. E. of Lower Lake on the Monticello road, near Knoxville (ca. 1.3-1.6 mi. S. of Knoxville) Comment
  UCD34213  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Napa County, Markley Canyon on Hwy 128. Comment
  JEPS51731  Eschscholzia californica F. R. Mackenzie 1937-4-14 Napa Oakville Comment
  UCD48072  Eschscholzia californica S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 20 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  RSA15683  Eschscholzia californica var. crocea Carl B. Wolf 1928-2-25 1485 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS106423  Euphorbia crenulata Jake Ruygt 1987-3-14 1928 Napa Conn Dam, old city park 97 Comment
  JEPS129080  Euphorbia crenulata Jake Ruygt 2016-4-5 6177 b Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  UCSC009026  Euphorbia crenulata Dylan M. Neubauer 2015-4-24 128 Napa Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey, NCoRI 101 Comment
  UCD167058  Euphorbia crenulata Jake Ruygt 1998-4-22 3933 Napa Tributary to Cement Creek, about 1/2 mile from Cement Circle Road. 228 Comment
  UCD167048  Euphorbia oblongata Jake Ruygt 1989-12-11 2427 Napa Yountville Ecological Reserve. 22 Comment
  UC1058582  Euphorbia spathulata C. H. Lamoureux, J. M. Tucker, and Roman Gankin 1957-4-11 1218 Napa 5.6 mi n State Hwy. 128 junction with State Hwy. 37 (along State Hwy 128) Comment
  UCD19924  Eurybia radulina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 779 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  JEPS122944  Festuca arundinacea Jake Ruygt 1982-5-19 1276 Napa Tubb's Lane, Calistoga. Quad: Calistoga. Comment
  HSC9846  Festuca californica C. B. Wolf 1928-5-3 1815 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  SBBG29006  Festuca californica B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UCD121157  Festuca californica Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7350 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  RSA10675  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1153830  Festuca elmeri Beecher Crampton 1954-5-6 1834 Napa between Capell and Wooden Valley Wooden Valley (State Hwy 37) Comment
  UC1153831  Festuca idahoensis Beecher Crampton 1956-5-25 3458 Napa head of Martley Canyon Vaca Mountains Comment
  UC187105  Festuca idahoensis J. P. Tracy 1902-5-19 1549 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  UCD19321  Festuca idahoensis M. A. Bibbo; E. Dean 2001-7-6 13 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a W facing slope. 228 Comment
  UCD65968  Festuca idahoensis Beecher Crampton 1956-5-25 3458 Napa Vaca Mtns. Head of Markley Canyon. Comment
  CAS-BOT-BC278835  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 487 Comment
  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
  CAS-BOT-BC279009  Festuca rubra Peter H. Raven 1952-5-31 4152 Napa W. of Rector Dam 182 Comment
  SEINET10508611  Festuca tracyi Joseph P. Tracy 1902-5-15 Tracy 1479 Napa Head of Moore's Creek, 3-4 mi. E. of Angwin's Howell Mt. 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
  JEPS17496  Foeniculum vulgare W. L. Jepson Nov. 1895 14235 Napa St. Helena Comment
  JEPS44880  Fragaria vesca W. L. Jepson 1910-3-28 4021 Napa sw of Calistoga (on Rebecca Ranch grade) Comment
  CAS-BOT-BC454533  Fragaria vesca subsp. californica L. R. Abrams 1928-5-3 12238 Napa Summit St. Helena Grade 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
  UCSB24693  Frangula californica subsp. tomentella McMinn, Howard 1922-07 Napa Pope Canyon Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC223444  Fraxinus dipetala H. E. McMinn 1922-6-8 202 Napa Pope Canon [Canyon] Comment
  CHSC108737  Fraxinus dipetala B. Castro; L. P. Janeway 2002-5-12 1367 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. Near road edge. 563 Comment
  HSC43995  Fraxinus dipetala Robert M. Specht 1977-4-11 623 Napa NE slope above Pocock Creek 512 Comment
  JEPS44087  Fraxinus latifolia Willis L. Jepson 1903-9-6 2336 Napa St. Helena Napa River Basin Comment
  CAS-BOT-BC205889  Fremontodendron californicum Peter H. Raven 1951-6-10 2936 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC205891  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 mi. S. E. of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  CAS-BOT-BC205892  Fremontodendron californicum C. F. B. 1903-5-8 2972 Napa Knoxville Comment
  RSA41909  Fremontodendron californicum Ella Dales Cantelow 1939-5-7 2529 Napa Just E of Napa - Lake Co line. Comment
  SBBG28946  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  UC726963  Fremontodendron californicum A. A. Heller 1941-5-16 16134 Napa 3 miles west of Knoxville on the road to Lower Lake 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
  UCR242099  Fremontodendron californicum S. Boshoren 1983-5-19 025 Napa 5 mi from Knoxville, northwest on Berryessa-Knoxville Road 640 Comment
  UC1043524  Fremontodendron californicum subsp. californicum P. C. Everett and E. K. Balls 1954-10-19 20370 Napa 3.9 mi nw of Knoxville (on road to Lower Lake) 609 Comment
  UC138489  Fremontodendron californicum subsp. californicum C. F. Baker 1903-5-8 2972 Napa Pacific Coast, Knoxville Knoxville; Pacific Coast, Knoxville Comment
  CAS-BOT-BC130072  Fritillaria affinis E. Crum 1936-3-15 1740 Napa [Butte's] Butts Canyon, Pope Valley-Middletown Road Comment
  CAS-BOT-BC130081  Fritillaria affinis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC130082  Fritillaria affinis Alice Eastwood 1922-3-25 11101 Napa Calistoga Comment
  POM224396  Fritillaria affinis Ethel Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  SJSU1354  Fritillaria affinis J. W. Tilden 1953-5-24 1039 Napa NE slope of Mt St Helena 457 Comment
  CDA39340  Fritillaria affinis C. S. Kono & T. Kono 1979-3-24 s.n. Napa Markley Canyon, Highway 128, a few miles south of Monticello Dam. 0 Comment
  SEINET3886765  Fritillaria lanceolata Suzanne E. May 1967-4-2 10 Napa 1 mile west of Monticello Dam, Highway 128.; 0 152 Comment
  CAS-BOT-BC130489  Fritillaria purdyi David D. Keck 1931-4-4 1091 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  JEPS81599  Fritillaria purdyi R. Raiche 1982-3-7 20205 Napa Junction of Snell Valley Road and Butts Canyon Road Comment
  UC796645  Fritillaria recurva Ira L. Wiggins 1949-4-30 12091 Napa Mount St. Helena, near Lake County Line Mount St. Helena Comment
  CAS-BOT-BC508185  Fritillaria recurva Mrs. Clara Hunt 1921-4-1 s.n. Napa St Helena Comment
  RSA450202  Fritillaria recurva D. V. Hemphill 1949-4-16 s.n. Napa [no additional locality information] Comment
  UCD166660  Fritillaria recurva Jake Ruygt 1979-3-16 457 Napa 1.8 miles NW of Madrona on Spring Mountan Road. 207 Comment
  POM204016  Galium andrewsii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCSC009033  Galium andrewsii subsp. andrewsii Dylan M. Neubauer 2015-4-26 135 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UCD15985  Galium andrewsii subsp. andrewsii C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 2 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 9.2'' N; 122 deg. 21' 11.5'' W; 480 m. Comment
  UCD18063  Galium andrewsii var. andrewsii Ellen Dean; with Plant Biology 102 class 2000-4-22 618 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
  JEPS110607  Galium aparine Jake Ruygt 1978-4-6 258 Napa 1.0 mile west of Dry Creek Rd. on Redwood Rd. 51 Comment
  UCD49247  Galium aparine L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 8 Napa SW end of Lake Barryessa, 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. 10-20 ft. from stream. 152 Comment
  UCD67956  Galium aparine Funi Takeda 1977-4-16 5 Napa Hwy. 128, 6.4 mi. sw Monticello Dam, west facing slope. 182 Comment
  JEPS110563  Galium bolanderi Jake Ruygt 1984-5-19 1562 Napa Cedar Roughs 329 Comment
  UC139301  Galium bolanderi M. K. Curran Aug. 1888 Napa Howell Mt. Comment
  JEPS110590  Galium californicum subsp. californicum Jake Ruygt 1998-6-20 4046 Napa On Palisades trail from RLSSP, first rocky opening. 438 Comment
  RSA78600  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa W of Napa Valley betw St. Helena and Mt. St. John. Napa Valley. 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
  UCD13187  Galium nuttallii J. R. Clark 1976-4-11 7 Napa Napa City, 4 mi N of junction of rds 121 and 128, along 128, upslope from road. Comment
  UCD13188  Galium nuttallii Gary Fugle 1976-4-11 7 Napa 4 mi N of junction of hwy 121 and 128, along 128. Elev. 550 ft. 167 Comment
  UCD148824  Galium porrigens Ellen Dean; Diana Hickson 2014-4-29 8129 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD18071  Galium porrigens var. porrigens Ellen Dean; with Plant Biology 102 class 2000-4-22 626 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
  JEPS18279  Galium porrigens var. porrigens Peter H. Raven 1957-5-5 10776 Napa just w Calistoga 182 Comment
  UCR45102  Galium pubens L. F. LaPre 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
  UCD121147  Gamochaeta ustulata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7347 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  CAS-BOT-BC199054  Garrya congdonii Baker 1938-5-1 9015 Napa Pope Creek ca. 7 miles from Monticello Comment
  HSC38149  Garrya congdonii Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2346 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UC875998  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa Lower Lake - Knoxville road; at Lake County line Comment
  HSC8385  Garrya elliptica J. T. Howell 1939-5-7 14652 Napa Lower Lake-Knoxville rd. at Lake Co. line Comment
  POM195578  Garrya flavescens subsp. pallida H. P. Bracelin 1930-3-23 s.n. Napa Flanks of Mt. St. Helena, 1.5 miles southeast of Mt. St. Helena. Comment
  CAS-BOT-BC144377  Garrya fremontii John Thomas Howell 1939-2-5 14597 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  JEPS66741  Garrya fremontii W. L. Jepson 1913-4-15 5316 Napa Howell Mt. 609 Comment
  UCD66546  Gastridium phleoides Beecher Crampton 1965-6-30 7415 Napa Solano - Napa Counties: Summit of Mt. Vaca, Vaca Mtns. 872 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
  CDA5309  Gaura lindheimeri E. P. Delfino 1953-6-1 Napa Yountville. 0 Comment
  RSA0028367  Geranium carolinianum Gilbert Muth 1967-4-30 662 Napa Near entrance to Snell Valley. 183 Comment
  UCD49067  Geranium molle Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 B Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, E side of South Decker Canyon Rd., N of jct with Cut-Off Rd., along open grassy slope. 152 Comment
  JEPS106750  Geranium purpureum Jake Ruygt 1976-5-14 75 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  UCD49062  Geranium purpureum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 6 Napa Quail Ridge Reserve, Decker Canyon, along South Decker Canyon Rd., N of jct with Cut-Off Rd., S of jct with North Decker Canyon Rd., near shed. 152 Comment
  UCD83410  Geranium purpureum Jake Ruygt 1986-5-7 1755 Napa Napa, Skyline Park. 152 Comment
  UCD68047  Gilia capitata Ryan M. Ross 1976-5-16 41 Napa On Road 121, approximately 6.8 miles South of Road 128. Found in chaparral plant association, on roadside embankment, on loamy clay soil, with partial sunlight. Flowers, corolla and anthers powder blue, calyx light green-white. 335 Comment
  UCR202432  Gilia capitata subsp. capitata Peter L. Morrell 1993-6-6 269 Napa Coast Range, Along Hwy 29, north side of road, 1 mile south of Robert Louis Stevenson State Park, c. 3 miles north of Calistoga 146 Comment
  UC52369  Gilia capitata subsp. capitata J. P. Tracy 1903-5-16 1838 Napa hill near Calistoga (Region about San Francisco Bay); , near Calistoga 152 Comment
  UCD167223  Gilia clivorum Jake Ruygt 1982-3-10 1123 Napa American Canyon south of gravel pit. 91 Comment
  HSC58980  Gilia tricolor subsp. diffusa G. E. Johnston 1974-4-4 1201 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS110950  Gilia tricolor subsp. diffusa Jake Ruygt 1992-4-2 2872 Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  UC23865  Gilia tricolor subsp. tricolor W. L. Jepson 1893-4-25 Napa St. Helena Comment
  UCD167229  Gilia tricolor subsp. tricolor Jake Ruygt 1987-3-19 1933 Napa Milliken Canyon near east end of pipeline. 134 Comment
  UCD161366  Githopsis diffusa subsp. robusta Jake Ruygt 1989-4-22 2277 Napa Napa County : About 1/2 mile south of Monticello Dam on Vaca Mountains. (Coordinates estimated by label maker at UC Davis). 432 Comment
  UC527929  Githopsis specularioides Ira L. Wiggins R. Bacigalupi, R. S. Ferris 1933-6-2 6663 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD170354  Githopsis specularioides Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 853 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 458 Comment
  JEPS112627  Glaux maritima Jake Ruygt 1981-7-20 1068 Napa Fagan's Marsh 1 Comment
  RSA769184  Glinus lotoides L. Ahart 2009-10-12 16444 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS122935  Glyceria occidentalis Jake Ruygt 1996-5-11 3659 Napa SE of Suscol; Napa Sanitation district; Somky Ranch. Quad: Cuttings Wharf. Comment
  CDA5426  Gnaphalium japonicum H. Stabo Oct 1961 Napa F. Nicholls property, end of Mayo Lane, St. Helena. 0 Comment
  CDA6057  Gnaphalium stramineum R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  UC1746131  Gratiola ebracteata Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2762 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC304884  Grindelia hirsutula Peter H. Raven 1951-6-26 3085 Napa Cappell [Capell] Valley 304 Comment
  CAS-BOT-BC304898  Grindelia hirsutula Peter H. Raven 1952-8-26 5132 Napa W. Bentley Wharf 15 Comment
  CAS-BOT-BC304901  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  CAS-BOT-BC304902  Grindelia hirsutula John Thomas Howell 1932-10-8 10804 Napa Cuttings Wharf on Napa River Comment
  UC32140  Grindelia hirsutula Edw. L. Greene Napa St. Helena Comment
  UC32141  Grindelia hirsutula Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UCD63180  Grindelia hirsutula var. davyi Jake Ruygt 1981-6-10 1051 Napa west of Mt. Vaca on Vaca Range. 457 Comment
  JEPS106786  Guillenia lasiophylla Jake Ruygt 1989-4-22 2271 Napa east of HWY 121 on HWY 128 Comment
  UCD148104  Gutierrezia sarothrae Jake Ruygt 2009-7-28 5466 Napa Blue Ridge, about 1/4 mile north of Mays Flat. 737 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
  CAS-BOT-BC8138  Harmonia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  UCD161340  Harmonia hallii Jake Ruygt 1983-5-29 1476 Napa Berryessa-Knoxville Road, 2.4 miles south of Lake County line. (Coordinates estimated by label maker at UC Davis). 597 Comment
  UC177483  Harmonia hallii C. F. Baker 1902-5-8 3079 Napa Knoxville Comment
  CAS-BOT-BC302230  Harmonia nutans Brandegee 1889-4-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC302237  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mountain, near summit, 6.5 mi. N.E. of St. Helena Comment
  CDA31865  Harmonia nutans D. G. Kelch 2001-3-18 1 .017 Napa Soda Canyon Road. Comment
  JEPS96684  Harmonia nutans Dean W. Taylor 1998-6-3 16478 Napa Cedar Canyon North Coast Ranges (basin in headwaters, between Twin Peaks and Sugarloaf Mtn., at end of road up (w from) Aetna Springs, Detert Res. 7.5' USGS quadrangle) 670 Comment
  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
  CHSC103018  Helenium puberulum Lowell 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 soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS35542  Helenium puberulum W. L. Jepson 1936-7-6 17649 Napa Sage Canyon Napa Range, Sage Canyon Comment
  UC127186  Helenium puberulum Harley P. Chandler Sep 7 1906-Sep 14 1906 7109 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD19335  Helianthella californica var. californica M. A. Bibbo; E. Dean 2001-7-6 27 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  JEPS35463  Helianthus bolanderi W. L. Jepson 1938-9-24 19018 Napa Canyon of James Creek Pope Valley, Canyon of James Creek 304 Comment
  JEPS35477  Helianthus bolanderi W. L. Jepson 1922-10-22 9837 Napa near mouth of Conn Creek Comment
  UC1177089  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 mi e Chiles Valley 304 Comment
  CAS-BOT-BC305534  Helianthus bolanderi Alice Eastwood 1939-8-20 7618 Napa Capell Creek Comment
  JEPS35475  Helianthus bolanderi W. L. Jepson 1916-8-7 6842 Napa Howell Mt. Comment
  SBBG127190  Helianthus bolanderi D. Keil 1986-11-8 19789 Napa Lake Berryessa Knoxville Rd near Knoxville; 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  CAS-BOT-BC305616  Helianthus californicus John Thomas Howell 1933-8-27 11624 Napa Sage Canyon, Napa Range Comment
  UC897487  Helianthus californicus Lewis S. Rose 1939-8-20 39358 Napa 14 miles E of Rutherford; Chiles Creek Canyon 304 Comment
  UCD170290  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 830 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 420 Comment
  CAS-BOT-BC305850  Helminthotheca echioides Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC306150  Hemizonia congesta subsp. clevelandii Milo S. Baker 1933-9-9 7542 Napa Near Calistoga Geyser Comment
  JEPS12594  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1893-9-25 Napa La Lomita Napa River Basin Comment
  UC990638  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-7 696 Napa roadside Calistoga Comment
  CAS-BOT-BC309829  Hemizonia congesta subsp. luzulifolia W. M. Heusi 1930-10-18 104 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-BC309839  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-10-28 3957 Napa Knoxville 457 Comment
  SEINET3930506  Hemizonia congesta subsp. luzulifolia David Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UCD19334  Hemizonia congesta subsp. luzulifolia M. A. Bibbo; E. Dean 2001-7-6 26 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo Comment
  UCD161645  Hemizonia congesta subsp. luzulifolia Jake Ruygt 2005-10-8 4948 Napa Howell Mountain Road about 0.3 mile south of Deer Park Road. 408 Comment
  POM298254  Hemizonia luzulifolia subsp. rudis Joseph A. Ewan 1933-9-17 7999 Napa Vacant lot in Napa, Napa Valley Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. 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-BC310200  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1931-4-19 6439 Napa Conn Valley Comment
  UC164895  Hesperevax sparsiflora var. sparsiflora J. P. Tracy 1902-5-16 1511 Napa 3-4 mi e of Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  JEPS126105  Hesperocyparis macnabiana Jake Ruygt 1979-2-25 437 Napa Oat Hill Mine Road near Bateman Creek. Detert Reservoir 7.5' Qua. Comment
  OBI74556  Hesperocyparis macnabiana David J. Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S ofturnoff to Homestake McLaughlin mine/Mill 107 Comment
  UCD47749  Hesperocyparis macnabiana Ari Houser, J. Westbrook; S. Ratay, M. Disney, R. Wolfson, S. Wathen 2000-4-22 19 Napa Napa co, McLaughlin Reserve, approx 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1 st ridge south of Devilhead Rd. 518 Comment
  SFV12215  Hesperocyparis sargentii E. L. Smith 1967-5-7 Napa Butts Canyon Butts Creek, below small reservoir at upper (northwest) end of canyon where road from Pope Valley enters, Butts Canyon, 6.9 miles northwest of Pope Valley._x000B_Soil shallow cherts and serpentine. 213 Comment
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  JEPS112585  Hesperolinon Jake Ruygt 1997-5-13 3852 Napa Lower Chiles Valley Road near HWY 128; Nichelini property. 298 Comment
Read comments Jan 2 2011
  UC1736419  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley Comment
  CAS-BOT-BC167421  Hesperolinon bicarpellatum Robert F. Hoover 1938-6-8 3539 Napa Canyon of s. fork of Butts Canyon Comment
  CAS-BOT-BC167422  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  POM138927  Hesperolinon bicarpellatum Katherine Brandegee 1911-6-29 s.n. Napa Butts Canyon near Aetna Springs. Comment
  RSA151703  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa At head of Moore s Creek, 5 miles east of Angwin s. 396 Comment
  UC1212357  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4139 Napa 1.5 mi e Black Oak Villa; Inner North Coast Range, Butts Canyon 213 Comment
  UC1212368  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-1 4117 Napa on Pope Valley-Monticello road between Walter Springs and Samuel Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UCD119659  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  CAS-BOT-BC176016  Hesperolinon californicum Peter H. Raven 1951-6-26 3079 Napa [Cappell] Capell Valley 365 Comment
  JEPS127889  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 218 Napa About 200 meters west of Butts Canyon Road. Comment
  UC146130  Hesperolinon californicum Joseph P. Tracy 1905-7-5 2205 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  JEPS122786  Hesperolinon clevelandii Jake Ruygt 2009-6-8 5427 Napa Wild Lake Ranch. Candlestick Ridge. QUAD: St. Helena. Comment
  JEPS122854  Hesperolinon clevelandii Adam C. Schneider with Dick O'Donnell 2013-5-28 238 Napa Along trail leading from the end of Atlas Peak Road. Southeast of summit of Mt. George 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
  UC1601236  Hesperolinon clevelandii Helen K. Sharsmith 1957-5-30 4598 Napa w side of mountain 2.4 mi w Angwin; Inner North Coast Ranges, Howell Mountain 304 Comment
  UCD164732  Hesperolinon clevelandii Jake Ruygt 2014-6-14 6002 Napa Ranch near Oat Hill. 619 Comment
  CAS-BOT-BC176051  Hesperolinon clevelandii John Thomas Howell 1939-7-13 5359 Napa On the edge of the Crater Country Comment
  CAS-BOT-BC176237  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road 121 Comment
  OBI22868  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 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
  UC1563734  Hesperolinon disjunctum Barbara Ertter with Annetta Carter 1989-5-28 8511 Napa on Berryessa Rd 2 mi se Lake Co line (serpentine hills s of road, near Knoxville) 609 Comment
  UC1212481  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa directly e Knoxville; Inner North Coast Ranges 396 Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. Comment
  UC1212415  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4603 Napa Chiles Valley Ranch Inner North Coast Ranges, Chiles Valley 213 Comment
  UC1601273  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4641 Napa slope above Soda Creek Canyon (near Hwy 128 four mi beyond junction of Hwy 37 Locality for HKS 4595); Inner North Coast Ranges, Cappell Valley 213 Comment
  JEPS122789  Hesperolinon sharsmithiae Jake Ruygt 2009-6-13 5437 Napa Skyline Park along Chaparral Trail. QUAD: Mount George. Comment
Read comments May 15 2020
  SEINET10778334 Image available Hesperolinon sharsmithiae Unknown 2005-6-9 O'Donnell s.n. Napa Napa County, edge of serpentine chaparral about 180 m NW of the junction of Cedar Creek and Hunting Creek, Paradise Valley, Napa County, CA. USGS Jericho Valley Quad. 270 Comment
  JEPS100372  Hesperolinon spergulinum Dean W. Taylor 2001-5-15 17649 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS112545  Hesperolinon spergulinum Jake Ruygt 1993-6-12 3283 Napa Lewelling Ranch, west of end Lewelling Lane. 185 Comment
  JEPS122802  Hesperolinon spergulinum Jake Ruygt 2000-6-10 4268 Napa Berryessa-Knoxville Road near Foley Creek. QUAD: Knoxville. Comment
  JEPS122849  Hesperolinon spergulinum Adam C. Schneider with Dick O'Donnell 2013-5-26 209 Napa Along Aetna Mine Road, by junction with Aenta Springs Rd. Comment
  POM86846  Hesperolinon spergulinum Marcus E. Jones 1881-7-6 343 Napa St. Helena. Comment
  UC1212405  Hesperolinon spergulinum J. P. Tracy 1899-7-5 383 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC703179  Hesperolinon spergulinum John Thomas Howell 1941-6-21 16316 Napa hills sw St. Helena Comment
  UCSC009029  Hesperolinon spergulinum Dylan M. Neubauer 2015-4-24 131 Napa (NCoRI) N side Ink Grade Rd, 1.07 air-miles NW Pope Valley 289 Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 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
  SEINET10460603  Heterocodon rariflorum Willis L. Jepson Jepson 1893 Napa HOWELL MTN 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
  JEPS53265  Hirschfeldia incana W. L. Jepson 1922-10-22 9831 Napa White Sulphur Creek bed St. Helena Comment
  UC735727  Hirschfeldia incana Charles B. Heiser Jr 1947-5-17 1910 Napa near St. Helena Comment
  UCD115136  Hirschfeldia incana Jack Major 1961-6-13 543 Napa Monticello Dam, State Highway 128. Comment
  POM26857  Hoita macrostachya Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  JEPS65642  Hoita orbicularis Willis L. Jepson 1893-6-26 13589 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC324653  Holocarpha virgata John Thomas Howell 1930-10-19 5609 Napa 2 miles southeast of Aetna Springs, Pope Valley Comment
  JEPS106645  Holozonia filipes Jake Ruygt 1985-6-9 1803 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  CAS-BOT-BC315795  Holozonia filipes C. E. Smith 1882-10-9 s.n. Napa Napa Comment
  UC1103742  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1905-7-6 2229 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek, Howell Mountian); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC284935  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa Crater Region e. of Palisades 762 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
  JEPS126088  Hosackia stipularis Jake Ruygt 1981-7-8 1057 Napa Road to Bateman Creek from Montesol; Livermore Road. Detert Reservoir 7.5' Qua. Comment
  JEPS104554  Hydrocotyle ranunculoides Jake Ruygt 1991-7-20 2772 Napa L.Orville, Friesen's Lakes, Angwin 563 Comment
  UCD160773  Hypericum concinnum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8652 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
  UCD73457  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD73842  Hypericum concinnum Ellen Dean; S. Rae 2008-5-21 4977 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  CAS-BOT-BC410801  Hypericum concinnum H. E. McMinn 1922-6-8 168 Napa Mt Howell Summit 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
  UCD18373  Iris R. Wenk 2000-5-14 11 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UC429167  Iris H. P. Chandler 1907-8-14 7511 Napa 4 mi n St. Helena (near Napa River) Comment
  RSA135911  Iris fernaldii Lee W. Lenz, E. K. Balls 1955-5-17 20763 Napa 7.6 miles south of Lake-Napa County line to State Highway 29, Middletown to Calistoga 442 Comment
  UCD138725  Iris fernaldii Heidi E. M. Dobson 1978-4-8 297 Napa East side of Mt. Veeder. Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  UC1134711  Iris macrosiphon A. Lewis 1932-5-18 98 Napa Dry Creek; Napa Quad. 152 Comment
  UCD118351  Iris macrosiphon Reed Crane; 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. 403 Comment
  UCD48250  Iris macrosiphon S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 21 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD48718  Iris macrosiphon S. M. Smukler 1995-5-5 7 Napa Quail Ridge Preserve, 1/4 mi. from the University Cabin. 100 Comment
Read comments Jan 14 2009
  UCD82595  Iris macrosiphon Ellen Dean; T. Starbuck 2009-5-4 5534 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  RSA195364  Iris macrosiphon Gilbert Muth 1967-3-31 597 Napa Old Howell Mountain road. 457 Comment
  JEPS116562  Isoetes howellii Jake Ruygt 2005-4-30 4801 Napa Big Ranch Road at El Centro Ave. Napa 7.5' Quad. Comment
  UCD135860  Isoetes howellii W. R. Russell 1972-5-25 s.n. Napa Just west of State Highway 29 and south of Calistoga. Comment
  UC1746157  Isoetes nuttallii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2760 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC484304  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1800 Napa above Wooden Valley; Napa Range, Munson Ranch 304 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
  UCD170365  Juglans hindsii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 863 Napa Knoxville Wildlife Area, along Berryessa-Knoxville Road. 240 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
  UCD141338  Juncus balticus subsp. ater H. MacKenzie 1949-5-29 22 Napa 5 miles west of St. Helena. Comment
  JEPS122667  Juncus bolanderi Jake Ruygt 1991-6-29 2738 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  UC730033  Juncus bufonius Leo F. Koch 1940-4-24 860 Napa 7 mi from Monticello (Pope Creek Road) 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
  UCD149577  Juncus bufonius var. congestus 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
  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
  UCD149040  Juncus occidentalis Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8186 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  UCD168530  Juncus occidentalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  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
  RSA19022  Juncus occidentalis M. S. Jussel 1937-5-23 s.n. Napa Mt. St. Helena. Comment
  UC1103052  Juncus occidentalis J. P. Tracy 1902-5-26 1639 Napa near Calistoga; San Francisco Bay Region, Napa Valley 91 Comment
  UCD166704  Juncus occidentalis Jake Ruygt 1982-3-17 1132 Napa Suscol plain, east of Kaiser Steel (Rocktram). 1 Comment
  UCR43201  Juncus oxymeris L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 Comment
  JEPS122663  Juncus patens Jake Ruygt 1982-6-21 1340 Napa Suscol plain, (Rocktram). Quad: Napa. Comment
  UCD166708  Juncus patens Jake Ruygt 2006-7-3 5070 Napa Napa River north of Zinfandel Lane. 56 Comment
  JEPS126041  Juncus xiphioides Jake Ruygt 1995-6-5 3498 Napa Oakville Grade about 1/2 way to top of grade, S side road. Rutherford 7.5' Quad. Comment
  JEPS128872  Keckiella corymbosa Jake Ruygt 1999-7-17 4206 Napa Mount Saint Helena fire road. Detert Reservoir 7.5' Quad. Comment
  JEPS10863  Keckiella lemmonii Alice King Jul 1919 Napa Mt. St. Helena; Van Ness ranch 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
  JEPS115771  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 133 Comment
  RSA14978  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, east of Rutherford, Comment
  SEINET10782609  Kickxia elatine Peter H. Raven 1952-5-29 Raven 4094 Napa Napa River 1 mi. N Napa. 61 Comment
  JEPS76077  Koeleria macrantha W. L. Jepson 1938-5-18 18789 Napa behind St. Helena Sanitarium Howell Mountain; , behind St. Helena Sanitarium Comment
  UC526698  Koeleria macrantha Joseph P. Tracy 1933-6-2 12475 Napa hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, , Moore's Creek 396 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
  UCD85728  Koeleria macrantha Beecher Crampton 1953-5-19 1307 Napa 10 miles west of Monticello, along Highway 128. Comment
  UCD159466  Lactuca saligna D. S. Park 2010-8-13 220 Napa Along Berryessa Knoxville Rd. disturbed. 219 Comment
  UCD20756  Lactuca serriola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 105 Napa McLaughlin UC Reserve. Just S of the reserve on Adam's Ridge Rd. 1.6 road miles E of the jct with Devilhead Rd. 640 Comment
  CAS-BOT-BC341425  Lagophylla minor John Thomas Howell 1939-4-30 14631 Napa Walter Springs Comment
  CDA10869  Lagophylla minor G. F. Hrusa, M. Rejmanek 1993-5-15 10964 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA11427  Lagophylla minor G. F. Hrusa, M. Tu 1995-5-6 12150 Napa North Coast Biodiversity Arena; approx. 1.5 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  CAS-BOT-BC341417  Lagophylla minor J. Clausen 1935-5-22 1069 Napa 1 mile east of Chiles Valley Store Comment
  JEPS41064  Lagophylla minor Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9114 Napa about 7 mi se Knoxville (at the s end of Cedar Valley); Cedar Valley 594 Comment
  UCD135653  Lagophylla minor Bruce G. Baldwin 1986-4-19 600 Napa 1.0 mile east of junction with Silverado Trail along California State Highway 128. Comment
  CAS-BOT-BC341554  Lagophylla ramosissima Peter H. Raven 1951-6-26 3088 Napa Cappell valley to Wooden Valley 304 Comment
  CAS-BOT-BC341560  Lagophylla ramosissima H. M. Hall 1931-5-26 13093 Napa 9.6 miles north of Monticello Comment
  JEPS122956  Lamarckia aurea Jake Ruygt 1980-2-24 803 Napa Old Soda Springs Road. Quad: Yountville. Comment
  JEPS110795  Lamium amplexicaule Jake Ruygt 1977-3-1 133 Napa .3 miles north of Oak Knoll Ave. on Big Ranch Rd. 21 Comment
  RSA201210  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa Garden weed near St. Helena Comment
  CAS-BOT-BC337893  Lasthenia John H. Thomas 1955-5-21 5130 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC338271  Lasthenia californica Peter H. Raven 1950-5-6 2020 Napa Near Old Faithful Geyser n. of Calistoga 182 Comment
  CHSC84558  Lasthenia californica John Dittes 2003-4-5 2003 -11 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  RSA10701  Lasthenia californica C. B. Wolf 1928-5-3 1786 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC338272  Lasthenia californica Peter H. Raven 1950-4-15 1730 Napa Monticello Road, Napa Valley, near Napa 182 Comment
  JEPS10172  Lasthenia californica subsp. californica Willis L. Jepson 1893-4-24 Napa e St. Helena Comment
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 Comment
  JEPS35630  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga Comment
  POM118233  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 311 Napa Napa Valley, near Calistoga. 90 Comment
  UC311561  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa near Calistoga; Napa Valley 90 Comment
  JEPS35411  Lasthenia glabrata subsp. glabrata W. L. Jepson 1915-4-23 6260 Napa Conn Valley Comment
  UCD106196  Lathyrus aphaca Mrs. Alice Ackley 1963-6-1 s.n. Napa Tubbs Lane near Calistoga. Comment
  JEPS107268  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1998-5-23 3997 Napa Milton Road, Manley's Resort. 2 Comment
  SJSU10857  Lathyrus jepsonii var. jepsonii W. Savage 1983-6-6 1593 B Napa NE facing bank of S Slough, Cullinan Ranch Comment
  UCD106405  Lathyrus sphaericus Peter H. Raven 1951-6-10 2902 Napa Above Hanlyo, Mt. St Helena. 670 Comment
  UCD106481  Lathyrus vestitus Paul C. Hutchinson 1963-3-3 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD48895  Lathyrus vestitus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. ca. 400 ft. NNW of jct with South Decker Canyon Rd. 188 Comment
  UC1051670  Lathyrus vestitus var. vestitus Peter Kamb 1950-4-22 1755 Napa w side Wooden Valley (on Calif. Hwy 37) 304 Comment
  JEPS48893  Lathyrus vestitus var. vestitus Elsa Kraeger 1926-3-28 Napa near Mt. St. Helena Inn Comment
  JEPS55379  Lathyrus vestitus var. vestitus W. L. Jepson May 26 1896-May 27 1896 13631 Napa below New Eden; Howell Mt. Comment
  JEPS106621  Layia chrysanthemoides Jake Ruygt 1989-4-3 2246 Napa Airport Rd. north side, Gunn Ranch 10 Comment
  JEPS39100  Layia chrysanthemoides W. L. Jepson 1915-4-23 6257 Napa Conn Valley Napa Range, Conn Valley Comment
  POM190258  Layia chrysanthemoides D. D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  POM53342  Layia chrysanthemoides C. F. Baker 1903-4-19 1098 Napa Calistoga. Comment
  UC472393  Layia chrysanthemoides C. F. Sonne Apr 1887 1467 Napa near Napa Junction Comment
  JEPS106634  Layia septentrionalis Jake Ruygt 1989-4-22 2289 Napa Snell Valley Rd. just east of Butts Canyon Rd. 143 Comment
  CAS-BOT-BC534370  Lemna minor Peter H. Raven 1952-5-31 4105 Napa Slough of Napa Creek e. Yountville 30 Comment
  JEPS63268  Lepechinia calycina W. L. Jepson 1943-5-15 20776 Napa Knoxville Ridge Comment
  UCD124880  Lepechinia calycina Beecher Crampton 1965-6-30 7396 Napa Solano-Napa Counties: summit of Mt. Vaca. 872 Comment
  UC856367  Lepidium dictyotum var. acutidens Milo S. Baker 1936-4 7571 Napa Calistoga Geysers Comment
  CDA34671  Lepidium latifolium L. Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  UC1245378  Lepidium latipes Joseph P. Tracy 1950-3-23 18685 Napa Head of Moores Creek Las Posadas State Forest, Howell Mountain 335 Comment
  RSA696168  Lepidium nitidum Keith E. Hoffmaster 1946-3-23 1058 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC12514  Lepidium nitidum Peter H. Raven 1954-2-22 6409 Napa Orchards at west end of Saint Helena. 60 Comment
  CAS-BOT-BC12790  Lepidium perfoliatum J. W. Stacey 1931-4-4 s.n. Napa Near Vallejo. Comment
  UC10599  Lepidium strictum Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  UCD164745  Lepidium strictum Jake Ruygt 2014-6-7 5980 Napa Livermore Ranch, Montesol. 735 Comment
  SBBG5962  Leptosiphon androsaceus H. and M. Dearing 1939-4-29 3239 Napa Conn Valley Comment
  UCD49202  Leptosiphon androsaceus M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 9 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 50 ft. N of lat./long. position. 289 Comment
  HSC83421  Leptosiphon androsaceus Dave Read 1975-5-3 29 Napa Knoxville-Berryessa Rd., 16.2 mi. N of jct. with Hwy. 128 244 Comment
  RSA107020  Leptosiphon androsaceus R. C. Barneby 1954-4-30 11233 Napa Conn Valley. near the slipway. 300 [ft? m?] Comment
  UCD148790  Leptosiphon bicolor Ellen Dean; Diana Hickson 2014-4-29 8098 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD49208  Leptosiphon bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 16 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UCD49212  Leptosiphon bicolor Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 15 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. 167 Comment
  CAS-BOT-BC226694  Leptosiphon jepsonii John Thomas Howell 1926-3-21 1735 Napa Mt. St. Helena, 2 miles below Patten's Comment
  UCD118990  Leptosiphon parviflorus Carolyn Thomas 1974-4-14 10814 Napa near Yountville, close to Thomas Ranch. 274 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
  UCD164764  Leptosiphon parviflorus Jake Ruygt 2014-4-22 5925 Napa Sutro Ranch, Atlas Peak. 663 Comment
  UCD49218  Leptosiphon parviflorus S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 32 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD49233  Leptosiphon parviflorus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., between Decker Ridge Rd. jct and Cut-Off Rd. jct. 304 Comment
  UCD167236  Leptosiphon parviflorus Jake Ruygt 1986-4-29 1714 Napa 0.4 mile east of Flosden Road on American Canyon Road. 60 Comment
  CAS-BOT-BC324167  Lessingia hololeuca John Thomas Howell 1927-9-10 3098 Napa Near Callistoga 213 Comment
  JEPS106630  Lessingia hololeuca Jake Ruygt 1992-9-5 3142 Napa Tubbs Lane at Myrtledale Rd., Calistoga 122 Comment
  JEPS106628  Lessingia ramulosa Jake Ruygt 1979-6-9 690 Napa 21.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 487 Comment
  UC33165  Lessingia ramulosa H. N. Bolander 1863-1 2617 Napa Pope Valley Comment
  UC570411  Lessingia ramulosa Chas. M. Belshaw and A. L. Mason 1936-9-20 2688 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD132704  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCD38961  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa North end of Capell Valley above Capell Creek and along State Hwy. 128. Comment
  UC33170  Lessingia ramulosa Willis L. Jepson 1893-9-24 Napa Howell Mt. Napa River Basin, Howell Mt. 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
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  POM137445  Limnanthes douglasii subsp. douglasii C. F. Baker 1903-4-19 1991 Napa Calistoga. Comment
  SEINET5585702  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-1 8757 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of its junction with the Lower Chiles Valley Road. 230 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
  UC23346  Linanthus acicularis Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  CDA11597  Linanthus androsaceus G. F. Hrusa, S. Larson 1995-4-1 12054 Napa North Coast Biodiversity Arena; along Chiles-Pope Valley Rd., approx. 2 m. above Lake Hennessey. Comment
  UC907830  Linanthus androsaceus P. B. Kennedy 1929-5-23 Napa e side Howell Mountain; Moore Creek Comment
  SEINET5732163 Image available Linanthus bicolor Jill Bockus 1974-1 5 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  UCD15045  Linanthus bicolor Gail Matson 1977-4-16 24 Napa California, Napa Co.; along Highway 128, 6.4 miles SW of Monticello Dam; Comment
  UCD15265  Linanthus bicolor Patsy Barry 1984-5-12 16 Napa serpentine outcrop on Hwy 128 near Moscowite corners: 304 Comment
  UC23460  Linanthus ciliatus W. L. Jepson 1893-5-9 Napa w of Rutherford Comment
  UC23462  Linanthus ciliatus Willis L. Jepson 1893-5-9 Napa w of Rutherford; Napa River Basin Comment
  UCD118647  Linanthus dichotomus L. P. Thibault 1995-6-2 63 Napa West side of Lower Chiles Valley Road, 1/4 mile NW of Highway 128. 300 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
  HSC58977  Linanthus dichotomus subsp. meridianus G. E. Johnston 1974-4-4 1024 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  CDA38720  Linanthus parviflorus D. G. Kelch 2010-5-6 10 .179 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS110970  Linanthus parviflorus Jake Ruygt 1996-4-6 3556 Napa near ridgetop, south of Rector Dam. 146 Comment
  SEINET11263942  Linanthus parviflorus Barbara Ertter, Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley.; 0 Comment
  UC1301143  Linanthus parviflorus Helen K. Sharsmith 1963-4-20 5332 Napa 4 mi s Napa (off of Kelly Road); San Francisco Bay Region 45 Comment
  UC23783  Linanthus parviflorus Willis L. Jepson 1893-4-24 Napa e of St. Helena; Napa River Basin 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
  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
  CAS-BOT-BC430625  Lithophragma affine L. R. Abrams 1928-5-3 12245 Napa Summit Mt. St. Helena Grade Comment
  UCD102700  Lithophragma affine David Lawfer 1952-3-29 139 Napa Napa. Comment
  CAS-BOT-BC430977  Lithophragma bolanderi Mrs. Clara Hunt 1921-4-21 s.n. Napa St. Helena Comment
  JEPS110627  Lithophragma heterophyllum Jake Ruygt 1977-4-7 177 Napa 2.8 miles NW of Mt. Veeder Rd. on Redwood Rd. 243 Comment
  JEPS47658  Lithophragma heterophyllum W. L. Jepson 1910-3-28 4018 Napa sw Calistoga (Rebecca ranch grade); sw of Calistoga Comment
  UC1088545  Lithophragma heterophyllum Roy L. Taylor 1959-5-3 4032 Napa one half mi from Mayachamas Vineyard Office Comment
  JEPS33575  Logfia filaginoides W. L. Jepson 1936-5-29 17550 Napa Adam and Eve Ridge Howell Mt. Adam and Eve Ridge Comment
  JEPS106959  Logfia gallica Jake Ruygt 1978-6-25 367 Napa 1.5 miles west of Old Sonoma Rd. on HWY 12 91 Comment
  JEPS33569  Logfia gallica W. L. Jepson 1936-6-2 17614 Napa hills to e Yountville (on e side road); Napa Valley Comment
  UCD18000  Logfia gallica Ellen Dean; with Plant Biology 102 class 2001-4-28 731 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UC38796  Lolium temulentum Willis L. Jepson 1894-1 Napa Little Oak 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
  UC1563883  Lomatium californicum Barbara Ertter with Annetta Carter 1989-5-28 8498 Napa 9.0 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa); n of Lake Berryessa 243 Comment
  UCR178676  Lomatium californicum K. Mogel, M. Higley, B. Pekin 2002-5-4 009 Napa Vaca Mtns, Quail Ridge UC Reserve. Northern tip of ridge, N of the junction of West and East roads, c. 1000 ft along the lower road that leads to the power lines, immediatly downslope of road 305 Comment
  POM133002  Lomatium californicum C. F. Baker 1909-4-20 2602 Napa Mt. St Helena. Comment
  SBBG5198  Lomatium californicum H. and M. Dearing -May-1939 3243 Napa Napa County [no specific locality] Comment
  SEINET3074556 Image available Lomatium ciliolatum var. hooveri M. E. Mathias 1937-5-23 1298 Napa 1.9 mile southeast of Napa-Lake County line on road to Knoxville. Comment
  UC1301124  Lomatium dasycarpum subsp. dasycarpum Helen K. Sharsmith 1963-3-17 5228 Napa s. side Mt. Atlas; San Francisco Bay Region, Mt. Atlas 609 Comment
  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
  UCD47852  Lomatium dasycarpum subsp. dasycarpum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 7 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 518 Comment
  UC1137629  Lomatium hooveri B. O. Schreiber 1938-4-24 2501 Napa 1/2 mi. n.w. Knoxville; Reiff Quad. Comment
  UCD170348  Lomatium hooveri Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 847 Napa Knoxville Wildlife Area, south of Nevada Creek. 477 Comment
  UCD47860  Lomatium hooveri D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 7 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south path. 545 Comment
  JEPS104570  Lomatium macrocarpum Jake Ruygt 1981-5-13 1022 a Napa American Canyon, .2 mile east of Flosden Road 164 Comment
  UCD161342  Lomatium macrocarpum Jake Ruygt 1985-5-25 1604 Napa Napa County : American Canyon, 0.4 mile east of Flosden Road. (Coordinates estimated by label maker at UC Davis). 91 Comment
  JEPS104546  Lomatium marginatum var. purpureum Jake Ruygt 1979-4-6 484 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Road 207 Comment
  JEPS104549  Lomatium marginatum var. purpureum Jake Ruygt 1986-3-29 1678 Napa Devilshead Rd.; ''sensitive plant canyon'' 441 Comment
  JEPS129176  Lomatium marginatum var. purpureum Jake Ruygt 2015-3-7 6032 Napa South of Snell Peak. Aetna Spring 7.5' Quad. Comment
  JEPS14276 Image available Lomatium marginatum var. purpureum W. L. Jepson 1894-5-1 14320 Napa red ridge facing mouth of Conn Valley; Napa River Basin; Mouth of Conn Valley, Napa River Basin Comment
  RSA452596  Lomatium marginatum var. purpureum J. T. Howell 1931-4-19 6466 Napa Conn Valley (region of type locality) Comment
  UCD67536  Lomatium marginatum var. purpureum D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  UC1076637  Lomatium marginatum var. purpureum Lincoln Constance, Reino Alava, Robert Ornduff 1957-5-5 3548 Napa n. side Mt. St. Helena (St. Helena Creek); , St. Helena Creek 365 Comment
  SEINET196136  Lomatium repostum Lincoln Constance, JF Davidson WH. Wagner; RH Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  UC1224683  Lomatium repostum G. Ledyard Stebbins 1964-5-24 6157 Napa in hills W of Aetna Springs, about 1/2 mi W of Corona Mine Comment
  UCD159751  Lomatium repostum G. Ledyard Stebbins 1971-5-2 8006 Napa Northeast of Napa. Ranch of Giles Mead, along Atlas Mountain [Peak] road. (Exact location unknown. Coordinates estimated by label maker as near Mead Ranch Vineyards.) 487 Comment
  JEPS104474  Lomatium utriculatum Jake Ruygt 1986-3-6 1632 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 103 Comment
  UC140582  Lomatium utriculatum C. F. Baker 1903-4-20 2621 Napa Mt. St. Helena Comment
  JEPS104512  Lomatium vaginatum Jake Ruygt 1987-5-16 1999 Napa Devil's Canyon 588 Comment
  CAS-BOT-BC240563  Lonicera hispidula H. E. McMinn 1923-5-25 967 Napa Summit Wooden Valley Grade Comment
  UC1125229  Lonicera hispidula var. vacillans A. Lewis May 1934 104 Napa Sarco Creek Napa Quadrangle 304 Comment
  CAS-BOT-BC240800  Lonicera interrupta Milo S. Baker 1926-5-1 224 b-Son ser. Napa Mt St Helena - 2 mi S.E. of Inn Comment
  UC28534  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin 853 Comment
  JEPS85044  Lotus Larry Heckard and Mary Ashton 1969-5-3 2190 Napa ca 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd) 457 Comment
  JEPS107213  Lotus grandiflorus var. grandiflorus Jake Ruygt 1998-5-18 3974 Napa north of Mt. Vaca on ridgeline. 798 Comment
  HSC43986  Lotus humistratus Robert M. Specht 1977-4-19 691 Napa Above drainage running NE from Adams Creek. 518 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
  UCD23429  Lotus humistratus Rebecca L. Moehlmann 1977-4-16 9 Napa Yellow zygomorphic flower, root nodules. Pubescent stems, leaves, sepals. Full sun. Foothill woodland with blue oak and digger pine. West side of Hwy 128, 6.4 miles southwest of Monticello Dam, roadside. Wragg Canyon. 182 Comment
  JEPS65171  Lotus micranthus W. L. Jepson 1938-5-25 18855 Napa outside Bell Canyon Howell Mountain 579 Comment
  SEINET7072526  Lotus parviflorus A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  JEPS107207  Lotus purshianus var. purshianus Jake Ruygt 1986-6-28 1845 Napa Mt. Millhouse Camp, Mt.St.Helena 505 Comment
  JEPS55897  Lotus scoparius Willis L. Jepson 1893-6-26 13805 Napa grade to Howell Mt. Napa River Basin Comment
  JEPS107203  Lotus strigosus Jake Ruygt 1991-4-20 2635 Napa Mead Ranch, Atlas Peak Rd. 548 Comment
  POM66958  Lotus wrangelianus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  POM128951  Lotus wrangelianus C. F. Sonne 1888-04 2780 Napa Napa Comment
  UCD65951  Ludwigia peploides subsp. montevidensis B. J. Grewell 2006-9-19 06- 72 -LU Napa Lake Hennessey where reservoir overflow backs up into confluence with Sage Creek south of Hwy 128. 97 Comment
  UCD65967  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 107 -LU Napa Roadside drain along Solano Ave west of Hwy 29 between Vinters Golf Club and Hoffman Lane crossing, Yountville, CA. 23 Comment
  CAS-BOT-BC60255  Lunaria annua Elsie Zeile Lovegrove 1954-4-21 s.n. Napa Along road below Lokoya. Comment
  RSA735365  Lupinus Keith E. Hoffmaster 1946-3-23 1094 Napa Napa range, along Napa-Monticello road Comment
  JEPS122685  Lupinus affinis Jake Ruygt 2005-4-4 4741 Napa Mt St. Helena, Highway 29 at Old Toll Road. Quad: Detert Reservoir. Comment
  HSC14767  Lupinus albifrons Greg Bos 1963-3-3 22 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  UC1217066  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa along the road to Pope Valley 2 mi above St. Helena Sanitarium; rd to Pope Valley Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  UCD105893  Lupinus albifrons Rimo Bacigalupi; L. Heckard, P. C. Silva 1962-4-16 8446 Napa 8.6 miles north of Vichy Springs junction (on Calif. 37), along Atlas Peak road; 1800 ft. Comment
  UCD47998  Lupinus albifrons Ryan Knox; E. McDermott, and G. Walden 2002-4-13 12 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of the road. 432 Comment
  UCD48954  Lupinus albifrons Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along road to research station. 402 Comment
  CAS-BOT-BC201555  Lupinus albifrons var. albifrons Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George 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
  OBI2849  Lupinus bicolor R. L. Hoover 1968-4-20 44 Napa On Howell Mt Rd, 2.6 mi NE of State Rte 29/128, on W side of rd just below curve Comment
  UC865161  Lupinus formosus Lewis S. Rose 1935-9-12 35651 Napa 2 mi nw Napa; nw of Napa 60 Comment
  JEPS107227  Lupinus formosus var. formosus Jake Ruygt 1976-6-8 113 Napa 2.4 miles east of HWY 29 on Jameson Canyon Road 91 Comment
  UC15861  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  RSA79064  Lupinus formosus var. formosus E. K. Balls, Lee W. Lenz 1952-5-8 17105 Napa 2.8 miles west from Calistoga, road to Santa Rosa via Petrified Forest. 91 Comment
  UC1543152  Lupinus latifolius Charlotte G. Nast 1936-3-27 82 Napa Childs Canyon Comment
  UCD108139  Lupinus latifolius M. Wiesendanger 1927-5-4 673 Napa Near Monticello. Comment
  UCD108108  Lupinus latifolius K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  POM66217  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS107223  Lupinus luteolus Jake Ruygt 1987-6-27 2057 Napa Berryessa-Knoxville Rd. near Lake Co. line, Morgan Valley 627 Comment
  JEPS107217  Lupinus microcarpus var. densiflorus Jake Ruygt 1989-5-24 2348 Napa Fagan Creek at South Kelly Rd. 21 Comment
  OBI56911  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa Comment
  SD243357  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 miles E junction CA 121, 2.9 miles W Monticello Dam, Lake Berryessa. 289 Comment
  UCD47992  Lupinus microcarpus var. microcarpus Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 21 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS65393  Lupinus nanus Willis L. Jepson 1893-4-24 29 t Napa hills e St. Helena to Conn Valley (Napa River Basin); , hills e of St. Helena to Conn Valley Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  UCD108963  Lupinus nanus K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  UCD168545  Lupinus nanus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD70476  Lupinus nanus P. J. Plummer 1995-5-27 s.n. Napa W of city of Winters, off hwy 128. 335 Comment
  SBBG67013  Lupinus nanus Mrs. H. P. Bracelin 1932-4-17 234 Napa 4 mi S of Yountville Comment
  UCD109266  Lupinus nanus Collector Unknown Date Unknown s.n. Napa Exact location unknown. Comment
  UCD167065  Lupinus nanus Jake Ruygt 2001-4-16 4306 Napa Big Ranch Road (Van Winden property). 16 Comment
  POM66227  Lupinus nanus subsp. nanus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC202225  Lupinus sericatus Carl B. Wolf 1928-5-4 1867 Napa Mt. St. Helena Comment
  UCR196218  Lupinus succulentus R. J. Flannery, C. Kennedy, L. Condon, N. Strahan, C. Hallock 2000-4-22 12 Napa UC McLaughlin Reserve, north of Knoxville, west of [Knoxville-Berryessa] Road 420 Comment
  RSA15625  Lupinus vallicola subsp. apricus Carl B. Wolf 1928-2-25 1481 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS67202  Luzula macrantha W. L. Jepson 1936-7-2 17641 Napa Angwin Meadow Napa Range, Howell Mountain Comment
  CAS-BOT-BC441336  Luzula subsessilis M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC231455  Lycium barbarum Peter H. Raven 1951-8-22 3885 Napa Napa 45 Comment
  CHSC102256  Lycopersicon esculentum Lowell Ahart 2009-10-27 16501 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
  CAS-BOT-BC343829  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC343833  Madia elegans Alice Eastwood 1918-9-3 7966 Napa Calistoga Comment
  JEPS7382  Madia elegans Willis L. Jepson Aug 1892 Napa Napa Valley Comment
  UCD63148  Madia elegans Jake Ruygt 1996-4-6 3553 Napa near ridgetop, south of Rector Dam. 228 Comment
  UCD21540  Madia exigua B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 5 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  CAS-BOT-BC344442  Madia exigua H. M. Hall 1931-5-26 13090 Napa Napa Range. Summit of Wooden Valley grade 365 Comment
  UCD161277  Madia gracilis Jake Ruygt 1990-6-2 2569 Napa Sulphur Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  UCD18139  Madia gracilis Jean Shepard; with PLB 102 class 2000-4-29 189 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
  UCD19340  Madia gracilis M. A. Bibbo; E. Dean 2001-7-6 33 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  CAS-BOT-BC343205  Madia gracilis H. M. Hall 1931-5-26 13088 Napa Napa Range, west side Comment
  POM263489  Madia nutans J. C. Roos 1939-4-16 258 Napa Angwin. Comment
  CAS-BOT-BC345043  Madia sativa Peter H. Raven 1951-8-19 3847 Napa Near Lokoya 487 Comment
  CAS-BOT-BC345049  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  CAS-BOT-BC345051  Madia sativa David D. Keck 1933-11-10 2717 Napa Calistoga Comment
  CAS-BOT-BC345052  Madia sativa David D. Keck 1933-11-10 2717 Napa Calistoga Comment
  UC830822  Madia sativa A. A. Heller 1902-5-24 5603 Napa near Napa Comment
  UCD167283  Malacothamnus fremontii Jake Ruygt 2003-6-21 4552 Napa West of Berryessa Knoxville Road near mouth of Foley Creek. 329 Comment
  SEINET6413448  Malacothrix floccifera R. Spellenberg 2014-5-20 14816 Napa Butts Canyon Road 12.5 km SE of Middletown. 320 Comment
  UCD18099  Malacothrix floccifera Ellen Dean; with PLB 102 class 2000-4-29 755 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
  UC194452  Malacothrix floccifera C. F. Sonne 1897-4-1 Napa Sulphur Springs St. Helena Comment
  JEPS106388  Marah fabacea Jake Ruygt 1986-3-22 1667 Napa Vaca Mountains east of Markley Cove 316 Comment
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  JEPS42483  Marah oregana Willis L. Jepson 1897-5-2 14129 Napa St. Helena Napa River Basin Comment
  UCD19945  Marah watsonii E. A. Dean; Virginia Boucher 2002-2-28 901 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
  UCD20830  Medicago polymorpha N. Nicola 2001-3-30 046 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD48970  Medicago polymorpha C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 13 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Road and Decker Bay Trail. Approx. 90 ft. NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  JEPS65530  Medicago sativa W. L. Jepson 1936-5-30 17555 Napa St. Helena Comment
  CAS-BOT-BC269415  Melica californica California Academy of Sciences 1870-5-2 s.n. Napa Oakville 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
  SEINET10860811  Melica californica William S. Boyle 1942-4-25 Boyle 1071 Napa 10 miles north of Napa on Silvarado Trail Road. Common on rocky, exposed, southwest-facing slope. Associated species: Bromus mollis, Rhus diversiloba. Comment
  CAS-BOT-BC231524  Melica geyeri Ellen Dean; G. Golden; C. Loughran; PLB 102 interns 2012-4-29 7341 Napa East of Las Posadas Rd. California Dept. of Forestry's Last Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northweast from Station 519 Comment
  CAS-BOT-BC282163  Melica geyeri John Thomas Howell 1940-5-19 15448 Napa Upper St Helena Creek Comment
  CAS-BOT-BC282169  Melica geyeri A. A. Heller 1924-4-12 13846 Napa About 5 miles S of Calistoga Comment
  UCD73403  Melica imperfecta Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC264215  Melica torreyana Peter H. Raven 1952-5-31 4146 Napa Summit of hills sw of Rector Canyon 304 Comment
  CAS-BOT-BC264220  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa Hills head of Moore's Creek, 3.4 miles east of Angwin's, Howell Mountain 396 Comment
  HSC10377  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UC1103166  Melica torreyana Joseph P. Tracy 1933-6-2 12465 Napa 5 mi e St. Helena (Howell Mt Road); Northern Coast Ranges 304 Comment
  UC53664  Melica torreyana W. L. Jepson 1896-6-2 Napa Conn Ridge Comment
  UCD149682  Melica torreyana Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD89194  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  UCD89195  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  SEINET10599685  Melica torreyana David D. Keck 1931-4-2 Keck 1034 Napa Wooden valley road, east side of Napa Range, 8 miles from Napa. Comment
  CHSC107511  Mentha pulegium M. K. Beyers; F. Favela, J. McDonnell 2009-8-29 213 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). Comment
  UCD73516  Mentha pulegium Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS42846  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1922-10-22 9830 Napa St. Helena, White Sulphur Creek Comment
  CAS-BOT-BC428858  Micranthes californica Alice Eastwood 1922-3-25 11093 Napa Calistoga Comment
  CAS-BOT-BC348549  Micropus californicus var. californicus Peter H. Raven 1950-4-15 1754 Napa Wooden Valley Grade, above Napa 457 Comment
  UC1301043  Micropus californicus var. californicus Helen K. Sharsmith 1963-4-20 5347 Napa on Monticello Road San Francisco Bay Region, southwest slope of Napa Range 152 Comment
  CAS-BOT-BC348679  Microseris acuminata John Thomas Howell 1931-4-19 6467 Napa Conn Valley Comment
  CAS-BOT-BC348969  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  UC147916  Mimulus arvensis J. P. Tracy 1899-6-11 362 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  RSA602371  Mimulus aurantiacus Louis C. Wheeler 1952-8-30 6879 Napa Manganese Ridge: Moore Creek, Howell Mountain 366 Comment
  UCD160390  Mimulus aurantiacus Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  JEPS10220  Mimulus aurantiacus var. aurantiacus Willis L. Jepson 1893-4-28 78 m Napa near Mt. George (Wooden Valley grade); Napa River Basin, Napa Mts. Comment
  JEPS10222  Mimulus aurantiacus var. aurantiacus W. L. Jepson 1904-6-3 2449 Napa Howell Mt. Napa Range Comment
  OBI9505  Mimulus aurantiacus var. aurantiacus R. L. Hoover 1968-4-20 49 Napa Collected on Howell Mtn rd, 2.6 mi NE of State Rtes 29/128, on W side of road 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
  JEPS110613  Mimulus congdonii Jake Ruygt 2001-3-17 4295 Napa Putah Creek near Berryessa Estates 182 Comment
  UCD84987  Mimulus congdonii Dena Grossenbacher; Jake Ruygt 2009-3-14 947 Napa SW slope of Mt George. Botanical Preserve, Napa County Land Trust property. 364 Comment
  JEPS39727  Mimulus congdonii J. F. Ammirati 1965-2-21 23 Napa ca. 2 mi se Calistoga (at Upper Valley Disposal (Garbage) Area, e of Silverado Trail) 243 Comment
  UCD21541  Mimulus douglasii B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 7 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  POM260891  Mimulus douglasii J. T. Howell 1940-5-19 15454 Napa Upper St. Helena Creek. Comment
  SEINET12808679  Mimulus guttatus Christopher T. Ivey 2003-1 364 Napa Population occurred along stream margin feeding Racoon Lagoon at N end of Lake Berryessa, abnout 4.5 mi N of Pope Canyon Road on Berryessa-Knoxville Road 362 Comment
  RSA523897  Mimulus guttatus W. L. Jepson 1893-5-8 10 Napa Howell Mountain, La Galea Plateau. Napa River Basin. Comment
  SEINET7041069  Mimulus guttatus Christopher T. Ivey 2002-5-2 360 Napa In serpentine seep on south side of Pope Creek, just east of bridge on Pope Canyon Road, 5.1 mile west of Knoxville-Berryessa Road. Comment
  CAS-BOT-BC7389  Mimulus guttatus var. gracilis Charles Fuller Baker 1903-4-20 2608 Napa Mt. St. Helena Comment
  JEPS110585  Mimulus inodorus Jake Ruygt 1992-5-15 2966 Napa Wild Horse Valley Ranch in a narrow vale E of Johnson's Meadow 432 Comment
  UC27065  Mimulus inodorus Willis L. Jepson 1895-11-26 Napa Angwin's Meadow Napa River Basin Comment
  UC886248  Mimulus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  UCD21582  Mimulus kelloggii K. Esau 1933-4-14 s.n. Napa Calistoga, near Petrified Forest. Comment
  JEPS128916  Mimulus latidens Juanita Duran 2000-4-18 4227 Napa Saint Helena; Spring street, 1.5 west of Highway. Rutherford 7.5' Quad. Comment
  UCD160767  Mimulus latidens Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8637 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
  RSA670138  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd, 1 mi NW of Homsestake mine. 655 Comment
Read comments Nov 11 2011
  UC1746030  Mimulus layneae Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2767 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD122649  Mimulus microphyllus Richard W. Cleveland 1951-4-8 16 Napa on road from Monticello to Napa, 8 miles east of Napa. Comment
  JEPS11359  Mimulus nasutus Jepson 1893-5-1 13 m Napa near Calistoga; Upper Napa Valley Comment
  JEPS110594  Mimulus pulsiferae Jake Ruygt 1992-5-6 2946 Napa west of Mitten Lake, Wild Horse Valley 420 Comment
  UC1746031  Mimulus pulsiferae Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2766 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC1778557 Image available Mimulus pulsiferae S. E. Schoenig 1998-6-5 98 -24 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  UCD85033  Mimulus pulsiferae Dena Grossenbacher 2009-5-14 992 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 Comment
  CDA41814  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa 15 meters east of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  CAS-BOT-BC174562  Minuartia californica Alice Eastwood; John Thomas Howell 1937-4-4 3827 Napa Wooden Valley Grade east of Napa Comment
  UCSC010460  Minuartia californica Dylan M. Neubauer, Tim Forsell 2016-4-1 609 Napa (NCoRI) just east of Butts Canyon Road, 2.49 air-miles sse Snell Peak 329 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
  CAS-BOT-BC388756  Minuartia douglasii Alice Eastwood 1918-5-1 6834 Napa Mt. St. Helena Comment
  JEPS106746  Minuartia douglasii Jake Ruygt 1979-5-24 631 Napa 1 mile east of Silverado Trail on HWY 128 67 Comment
  JEPS51499  Minuartia douglasii W. L. Jepson 1938-5-22 18824 Napa Snell Valley Comment
  SEINET7075537  Minuartia douglasii 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
  CAS-BOT-BC388761  Minuartia douglasii R. C. Barneby 1954-4-30 11231 Napa Conn Valley, near the slipway 91 Comment
  CAS-BOT-BC388762  Minuartia douglasii Betty H. Johnson 1958-6-15 611 Napa Slope near St. Helena River, 6.4 mi. S.-W. of Middletown 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
  CAS-BOT-BC220619  Monardella villosa John Thomas Howell 1929-5-30 4270 Napa On Pope Valley Creek near Samuels [Samuel] Springs, Napa Range Comment
  SEINET4173667 Image available Monardella villosa Jack Major 1961-6-13 545 Napa Monticello Dam, State Hwy 128 Comment
  CAS-BOT-BC220691  Monardella viridis John Thomas Howell 1930-7-13 5360 Napa On the edge of the Crater Country Comment
  CAS-BOT-BC220692  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon, Napa Range Comment
  UC419738  Monardella viridis Mrs. H. P. Bracelin 1930-7-13 28 Napa s slope Mt. St. Helena 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
  SEINET10582243  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 372 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  JEPS106889  Monolopia major Jake Ruygt 1993-5-1 3234 Napa Cedar Creek Rd, at Pocock Creek. 487 Comment
  JEPS34925  Monolopia major C. F. Sonne Apr. 1888 Napa fields near Napa Junction Comment
  JEPS43386  Montia fontana W. L. Jepson 1921-5-6 9179 Napa Calistoga 109 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
  RSA135806  Nassella lepida John H. Thomas 1955-5-21 5105 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  SEINET212975  Nassella lepida Diana Toth 1974-4-29 Napa Rt 128 between Rutherford and Davis Comment
  UCD48419  Nassella lepida M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 5 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines. 304 Comment
  JEPS85048  Nassella pulchra Larry Heckard and Mary Ashton 1969-5-3 2219 Napa 7 mi ne Napa (off the Atlas Peak Rd.; Mead Ranch; above and w of the north meadow); Mead Ranche 510 Comment
  UC1011036  Nassella pulchra Milo S. Baker 1936-4-8 8171 Napa on Monticello Hwy 5 mi from Napa Comment
  CAS-BOT-BC60336  Nasturtium officinale Betty H. Johnson 1958-6-15 636 Napa Near Spring, 0.5 mile above Mount Mill House, 6.4 miles southwest of Middletown. Comment
  UC1228162  Navarretia heterandra Beecher Crampton 1960-6-29 5747 Napa 2 mi n Spanish Flat (w shore of Lake Berryessa); Lake Berryessa Comment
  JEPS70312  Navarretia heterodoxa W. L. Jepson 1894-10-14 20962 Napa w of Calistoga (hills back of Rebecca Ranch); Spring Mt. Range Comment
  JEPS112534  Navarretia intertexta subsp. intertexta Jake Ruygt 1980-6-21 932 Napa Bear Valley 621 Comment
  UCD167179  Navarretia intertexta subsp. intertexta Jake Ruygt 1982-7-5 1360 Napa 0.3 miles south of Old Bale Mill on east side of Highway 29. 88 Comment
  JEPS112521  Navarretia jepsonii Jake Ruygt 2002-5-8 4417 Napa Missimer/Snell Valley Wildflower Preserve 179 Comment
  JEPS101635  Navarretia mellita Dean W. Taylor 1998-6-18 16675 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  UCD167189  Navarretia mellita Jake Ruygt 2010-6-10 5607 x Napa About 1/2 mile north of Mays Flat on top of Blue Ridge. 737 Comment
  CAS-BOT-BC232668  Navarretia pubescens R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6669 Napa 6 miles NE of Pacific Union College (Howell Mountain) on road to Aetna Springs Comment
  JEPS110949  Navarretia pubescens Jake Ruygt 1977-5-1 209 Napa east end of Westgate Dr. 115 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
  JEPS110946  Navarretia squarrosa Jake Ruygt 1981-7-15 1065 Napa 1.5 miles north of Browns Valley Rd. on Redwood Rd. 152 Comment
  CAS-BOT-BC232736  Navarretia subuligera John Thomas Howell 1940-5-19 15462 Napa Upper St. Helena Creek Comment
  RSA73125  Navarretia tagetina M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  JEPS120357  Navarretia viscidula Jake Ruygt 1991-8-5 2825 Napa Rutherford Hill Lane. Rutherford 7.5' Quad. Comment
  JEPS70510  Navarretia viscidula Willis L. Jepson 1903-9-6 2347 Napa St. Helena Napa River Basin Comment
  JEPS70512  Navarretia viscidula W. L. Jepson 1901-8-6 1736 Napa near Bottle Mt.; Napa River Basin, St. Helena Comment
  RSA292975  Nemacladus capillaris Reino Alava 1957-5-30 1007 Napa About one half mile toward Monticello from junction of the road to Monticello and State Highway 128. Comment
  JEPS78509  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge Comment
  JEPS5477  Nemacladus montanus M. S. Jussel 1845-5-4 Napa Napa Comment
  JEPS5480  Nemacladus montanus M. S. Jussel 1901-6-1 Napa Napa Comment
  SEINET10461249  Nemacladus montanus Mason 1935-5-30 Mason 10000 Napa 4 miles north of Knoxville Mines Comment
  SEINET10461256  Nemacladus montanus Rimo Bacigalupi 1965-5-16 Bacigalupi 9104 Napa Along Devilhead road, 1 mile north of headwaters of Zim Zim Creek 494 Comment
  SEINET10461259  Nemacladus montanus Jussell JUSSELL s.n. Napa Napa Comment
  SEINET3156475  Nemophila divaricata L. S. Rose 1939-4-16 39087 Napa 10 miles NE of Napa, Wooden Valley Comment
  UC1239745  Nemophila heterophylla J. P. Tracy 1902-5-22 1622 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Howell Mountain, head of Moore's Creek, e of Angwin's 365 Comment
  POM65290  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena. Comment
  UC545857  Nemophila menziesii E. Crum 1936-3-15 1738 Napa Chiles Valley Road 3.2 mi from Pope Valley Store; Chiles Valley Road <nr> Pope Valley Store Comment
  UC606903  Nemophila menziesii L. Constance 1938-3-27 2033 Napa 5 mi e Napa (n slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UC619287  Nemophila menziesii Mrs. L. A. R. Peckinpah 1898-3-11 Napa e Yountville (foothills Napa Range); foothills Napa Range e of Yountville Comment
  UCD23409  Nemophila menziesii Jonathan M. Irvine 1977-4-16 113 Napa Hwy. 128, 6.4 miles SSW of Monticello Dam. Soil is rocky clay, Knoxville formation. Mixed woodland, west facing gentle dry slope. Comment
  JEPS110862  Nemophila menziesii var. atomaria Jake Ruygt 1995-3-21 3409 Napa In small meadow on floodplain of creek; igneous rock; Mixed Evergreen Forest 108 Comment
  JEPS110844  Nemophila menziesii var. menziesii Jake Ruygt 1996-3-23 3531 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  POM320432  Nemophila menziesii var. menziesii Carole Mathews 1972-3-28 20 Napa North shore of Lake Berryessa, about 5 miles above Monticello Dam. South Coast Range, Lake Berryessa drainage area. 274 Comment
  CAS-BOT-BC219384  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  JEPS110840  Nemophila parviflora var. parviflora Jake Ruygt 1980-3-30 822 Napa Van Ness Canyon 609 Comment
  JEPS122690  Nerium oleander Jake Ruygt 2004-9-4 4663 Napa Beryessa-Knoxville Road at Zim-Zim Creek. Quad: Knoxville. Comment
  CDA34663  Nicotiana acuminata var. multiflora L. 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 Winters. Comment
  UC1188018  Nicotiana acuminata var. multiflora H. M. Wheeler Oct 1942 Napa Conn Creek; Conn Valley Comment
  UCD73443  Nuttallanthus texanus 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
  RSA475189  Odontostomum hartwegii Aaron Liston, Sara Meury 1988-6-1 755 -1 Napa Bothe-Napa Valley State Park; campground site 21. 150 Comment
  UCD166656  Odontostomum hartwegii Jake Ruygt 1980-6-4 912 Napa end of Soda Canyon county road. 426 Comment
  RSA0066529  Orobanche fasciculata Gilbert Muth 1967-5-17 688 Napa Maple Springs. 609 Comment
  JEPS110567  Orobanche valida subsp. howellii Jake Ruygt 1986-6-14 1823 Napa Craters, canyon at head of Table Rock 707 Comment
  POM161092  Orthocarpus faucibarbatus R. C. Bacigalupi 1926-3-27 1253 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  SEINET4854296  Orthocarpus lacerus Carl F. Baker 1903-5-8 2965 Napa Knoxville. 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
  UC173183  Osmorhiza berteroi Katharine Brandegee 1910-5-19 Napa Mt. St. Helena 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
  UC723787  Packera eurycephala var. eurycephala Joseph Andorfer Ewan 1934-4-30 8826 Napa near Samuel Springs (above Monticello, on Pope Valley grade); Pope Valley Comment
  CAS-BOT-BC316937  Packera greenei R. C. Bacigalupi; R. S. Ferris; I. L. Wiggins 1933-6-2 6683 Napa Butt's Canyon, 10 mi. N of Howell, Mtn. Comment
  UCD33885  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa Napa County, south of Yountville. Comment
  UCD167173  Papaver californicum Jake Ruygt 1982-5-15 1261 Napa Soda Canyon west of steep grade. 365 Comment
  JEPS122959  Parapholis incurva Jake Ruygt 1993-5-8 3252 Napa South of Fagan Slough near edge of Napa Marsh. Quad: Cuttings Wharf. Comment
  JEPS50028  Parvisedum pumilum H. L. Mason 1931-4-12 Napa Napa State Hospital Comment
  JEPS70594  Paspalum dilatatum R. S. Pearse Napa Napa; Soda Springs Road Comment
  UC218897  Passiflora caerulea Katharine Brandegee 1910-7-11 Napa Calistoga Comment
  CAS-BOT-BC202809  Paxistima myrsinites James R. Shevock; Roger Raiche 1989-4-17 11850 Napa Trail to the Cedars off of California hihway 29 east of Roert Louis Stevenson Memorial State Park 762 Comment
  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
  CAS-BOT-BC71381  Pellaea mucronata Evelina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  JEPS129056  Pellaea mucronata var. mucronata Jake Ruygt 2016-12-3 6298 Napa Butts Canyon southwest of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UCD73458  Pellaea mucronata var. mucronata Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UC197940  Pellaea mucronata var. mucronata C. F. Sonne 1895-4-1 Napa Soda Springs Comment
  UCD124212  Penstemon heterophyllus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  JEPS110744  Penstemon heterophyllus var. heterophyllus Jake Ruygt 1979-6-2 666 Napa 4.7 miles north of Monticello Rd. on Atlas Peak Rd. 347 Comment
  JEPS120381  Pentachaeta exilis subsp. exilis Jake Ruygt 1998-5-2 3951 Napa Jerd Creek Comment
  CAS-BOT-BC71672  Pentagramma triangularis subsp. triangularis Elsa G. Ruckert 1960-3-12 23 Napa on private road leading in to 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC71673  Pentagramma triangularis subsp. triangularis John H. Thomas 1955-5-21 5149 A Napa Along State Highway No. 128, about 4.5 miles south of Menticello 167 Comment
  JEPS60094  Pentagramma triangularis subsp. triangularis W. L. Jepson 1934-10-16 16894 Napa Adam and Eve Ridge Howell Mt Comment
  UCD48368  Pentagramma triangularis subsp. triangularis Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd. South of junction with Cut Off Rd., 10 ft. from creek bed. 182 Comment
  JEPS12440  Perideridia kelloggii W. L. Jepson 1920-7-12 9071 Napa Conn Valley Napa Range (red ridge at mouth) Comment
  JEPS12398  Perideridia oregana W. L. Jepson 1894-10-13 14808 Napa Upper Conn Valley Napa Range Comment
  JEPS12437  Perideridia oregana Willis L. Jepson 1901-8-6 1726 Napa Howell Mt. grade Napa River Basin Comment
  UC1312888  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3783 Napa 2.6 mi nw Lake Hennessey; Conn Valley 121 Comment
  UCD127876  Perideridia oregana Robert E. Preston 1987-6-16 563 B Napa ca. 1.5 miles southeast of of Big Chain. 182 Comment
  RSA637565  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles E of intersection of Hwy 128 and Chiles Pope Valley Road. 488 Comment
  UCD81815  Petrorhagia dubia Ellen Dean 2009-4-24 5442 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD98389  Petrorhagia dubia R. L. Smith 1948-5-8 s.n. Napa 6 mlies north of Aetna Springs, Pope Valley. Comment
  UCR196226  Petrorhagia dubia M. K. Voigt, E. Sweeney, M. Miller 2002-4-13 01 Napa McLaughlin UC Reserve. Southwest of old town of Knoxville on north side of Knoxville-Berryessa Road 427 Comment
  UCD120303  Phacelia californica John Thomas Howell 1929-6-9 4309 Napa 4 miles from Calistoga on road to Petrified Forest. Comment
  SBBG11769  Phacelia distans H. and M. Dearing 1939-5-3 3270 Napa Sage Cyn near Rutherford Comment
  JEPS2378  Phacelia distans W. L. Jepson 1924-5-8 10412 Napa Pope Creek Comment
  JEPS78804  Phacelia distans John W. Willoughby 1977-4-20 2142 Napa latitude approximately that of Mt. Vaca west side of Vaca Mountains 457 Comment
  UC24344  Phacelia distans Willis L. Jepson 1893-4-28 Napa near Napa City; Napa River Basin Comment
  JEPS78808  Phacelia egena John W. Willoughby 1977-4-20 2171 Napa just below top of main ridge (w side of range, latitude approx. that of Mt. Vaca); Vaca Mountains Comment
  UC1228238  Phacelia egena J. R. Sweeney, H. L. Mason, R. Bacigalupi 1953-6-8 Napa top of grade of rd over e flank of mt Mt. St. Helena (from Calistoga to Middletown) 670 Comment
  UC1471530  Phacelia imbricata Edw. L. Greene 1891-7-1 Napa near St. Helena Comment
  UC24385  Phacelia imbricata Edw. L. Greene July 1891 Napa near St. Helena; ; near St. Helena Comment
  UCSC000588  Phacelia imbricata subsp. imbricata Charisse Bickford 1979-5-14 s.n. Napa about 5 miles west of Winters Winters - Putah Canyon 579 Comment
  UC735081  Phacelia mutabilis Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3044 Napa se slope of mt. near Mount St. Helena Inn; Mount St. Helena Comment
  SD72097  Phacelia nemoralis John Thomas Howell 1937-7-4 13061 Napa Looden Valley Grade. Comment
Read comments May 31 2018
  UCD48042  Phacelia tanacetifolia A. Laffin; A. Randall, S. Holck 2002-4-13 2 Napa Napa Co, McLaughlin UC Reserve, north of Knoxville-Berryessa Road, just west of turn-off to old town of Knoxville. Ca. 0.2 airline mile up slope of road, in calcium seep. 431 Comment
  CAS-BOT-BC265854  Phalaris californica John Thomas Howell 1940-5-19 15444 Napa Near Calistoga Comment
  JEPS85036  Phlox gracilis Larry Heckard and Mary Ashton 1969-5-3 2199 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UCR80867  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  CAS-BOT-BC171141  Phoradendron serotinum subsp. tomentosum John Thomas Howell 1926-10-3 2202 Napa Mt. St. Helena Comment
  JEPS110922  Physalis philadelphica Jake Ruygt 1969-12-31 418 Napa Napa River south of Trancas St., Napa 3 Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  RSA176554  Pickeringia montana var. montana Peter H. Raven 1962-5-31 17917 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  RSA412034  Pickeringia montana var. montana Bonnie C. Templeton 1957-6-27 76 H371B Napa About 3 miles up Trinity Road near the junction to Oakville. Comment
  UCD169867  Pickeringia montana var. montana Daniel Potter; Peter Lash 2015-4-26 802 Napa Knoxville Wildlife Area. East of upper Zim Zim drainage. 454 Comment
  JEPS103997  Pinus attenuata Jake Ruygt 1978-3-19 249 Napa Mt. St. Helena 914 Comment
  UC766769  Pinus attenuata R. F. Hoover 1941-4-27 4949 Napa e side of Mt. St. Helena Mt. St. Helena Comment
  UCD133139  Pinus attenuata Beecher Crampton 1962-5-16 6431 Napa 0.5 mile W of Aetna Springs. Comment
  UC182  Pinus ponderosa Davy 1894-10-1 Napa spur of Mt. St. Helena Comment
  UCD118541  Pinus sabiniana Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  SEINET11740444  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-5-19 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS120439  Piperia elegans Jake Ruygt 2005-6-12 4922 Napa Monticello Rd., 1.1 miles east of Atlas Peak Rd. Comment
  JEPS60939  Plagiobothrys bracteatus Willis L. Jepson 1893-4-26 21168 Napa Rutherford Napa River Basin Comment
  SEINET3895550  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 miles south of Pope Canyon Road on Hardin Road. SW side of road in vernal pool.; 0 183 Comment
  UC55913  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1852 Napa 2 mi below Calistoga (Napa Valley); Napa Valley 91 Comment
  POM182729  Plagiobothrys canescens D. D. Keck 1931-4-3 1057 Napa Mouth of Pope Creek, Berryessa Valley, 6 miles NW. of Monticello. Comment
  UCD120814  Plagiobothrys canescens H. Popenoe 1949-4-17 13 Napa 8 miles west of Winters. Comment
  SD58506  Plagiobothrys cognatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore's Creek. 518 Comment
  UCD74377  Plagiobothrys fulvus var. campestris Jake Ruygt 1983-4-8 1413 Napa South side of Hwy. 12 at Sonoma Co. line. 88 Comment
  UC650503  Plagiobothrys nothofulvus Ira L. Wiggins 1928-3-24 2865 Napa above Calistoga (grade onold road to Lake Co.) Comment
  JEPS68113  Plagiobothrys nothofulvus Elsa Kraeger 1926-3-27 Napa along road to Soscol Comment
  POM182736  Plagiobothrys nothofulvus D. D. Keck 1931-4-2 1049 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UC1301088  Plagiobothrys nothofulvus Helen K. Sharsmith 1963-4-20 5345 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of range) 152 Comment
  UC192203  Plagiobothrys stipitatus C. F. Sonne Apr 1887 Napa Napa Junction Comment
  UCD48658  Plagiobothrys stipitatus var. micranthus A. Van Houtte; E. Leger and C. Hohn 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., around entire rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  JEPS24591  Plagiobothrys strictus E. L. Greene 1892-4-20 Napa Calistoga; about sulphur springs Comment
  UC191655  Plagiobothrys strictus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  UC881354  Plagiobothrys strictus Alice Eastwood 1918-5-2 6881 Napa Calistoga Comment
  RSA0008560  Plagiobothrys strictus D. D. Keck 1931-4-4 1095 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS68134  Plagiobothrys tenellus W. L. Jepson 1900-3-9 509 Napa Howell Mt. Comment
  JEPS68146  Plagiobothrys tenellus W. L. Jepson 1938-5-25 18867 Napa Bell Canyon Napa Range, Howell Mt. 579 Comment
  UCD164837  Plagiobothrys tener var. subglaber Jake Ruygt 2012-4-21 5841 Napa Spanish Valley, southeast. 225 Comment
  UCD167144  Plagiobothrys undulatus Jake Ruygt 2015-5-6 6091 Napa East side of Highway 221, south of Suscol Creek. 30 Comment
  JEPS120325  Plantago erecta Jake Ruygt 1995-4-27 3638 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Chiles Valley 7.5' Quad. Comment
  POM182688  Plantago erecta D. D. Keck 1931-4-2 1010 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  RSA41868  Plantago erecta H. C. Cantelow 1939-4-8 2516 Napa Howell Mt. Comment
  UCD118542  Plantago erecta Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD49190  Plantago erecta S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD68116  Plantago erecta Hilary Jane Ernst 1981-5-2 25 Napa 2.8 miles Northwest on Highway 128 from Moskowite Corners, to left of road, up trail. In a chaparral plant association, dominated by Pinus sabiniana, on a 10 degree slope. 243 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
  UC402910  Plantago erecta Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  JEPS110784  Plantago lanceolata Jake Ruygt 1978-5-4 286 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. 12 Comment
  UCR47285  Plantago lanceolata J. Nevin 1987-5-22 27 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  JEPS110759  Plantago major Jake Ruygt 1996-5-11 3657 Napa SE of Suscol; Napa Sanitation District; Somky Ranch. 3 Comment
  CDA31336  Plantago subnuda D. G. Kelch 2001-6-2 1 .02 Napa Hills east of American Canyon. Comment
  JEPS110776  Platystemon californicus Jake Ruygt 1979-4-6 490 Napa 2.3 miles north of Howell Mtn. Rd. on Butts Canyon Rd. 225 Comment
  JEPS51580  Platystemon californicus Willis L. Jepson 1897-5-2 Napa St. Helena Comment
  UCD170190  Platystemon californicus Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 767 Napa Knoxville Wildlife Area, east of Zim Zim Falls. 385 Comment
  UC169020  Plectritis brachystemon Joseph P. Tracy 1902-5-18 1537 Napa 3-4 mi e of Angwins (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  JEPS5125  Plectritis brachystemon Willis L. Jepson 1893-4-24 Napa Hills e of St. Helena (Napa River Basin); Napa River Basin Comment
  UC912466  Plectritis brachystemon A. E. Borell 1928-4-13 130 Napa 10 mi s of Petaluma Comment
  JEPS5144  Plectritis ciliosa subsp. ciliosa Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  UC903163  Plectritis ciliosa subsp. ciliosa Ethel Crum 1937-4-19 1777 a Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  UC917296  Plectritis ciliosa subsp. ciliosa J. D. Skoss 1948-4-1 1 Napa 14 mi w of Winters (Putah Canyon); Putah Canyon Comment
  OBI78496  Plectritis congesta Bacigalupi & Dempster, Dempster 1954-5-10 4449 Napa 4.2 mi N of Wooden Valley on Monticello Rd Comment
  JEPS110895  Plectritis macrocera Jake Ruygt 1979-5-20 613 Napa 1.6 miles north of White Cottage Rd. on Summit Street 694 Comment
  JEPS5124  Plectritis macrocera Miss R. Kuhn 1912-4-10 Napa Oakville Comment
  UC28849  Plectritis macrocera Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, Angwin's Howell Mountain; Napa River Basin, , Angwin's Comment
  UC999846  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 689 Napa n of Monticello Comment
  OBI8696  Plectritis magna Bacigalupi & Dempster, Dempster 1954-5-10 4444 Napa Conn Cyn Reservoir Comment
  JEPS75068  Pleuropogon californicus W. L. Jepson 1893-4-24 Napa e of St. Helena (to Conn Valley grade, Napa River Basin); Napa River Basin Comment
  CAS-BOT-BC260958  Pleuropogon californicus var. californicus Peter H. Raven 1957-5-5 10748 Napa Near hot springs, Calistoga 91 Comment
  UCD170204  Poa bulbosa Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 753 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  UCD73397  Poa howellii 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
  SD58318  Poa napensis Alan A. Beetle 1946-5-7 4256 Napa Damp banks of overflow stream; two miles north of Calistoga at Myrtledale Hot Springs Comment
  UC1117808  Poa napensis A. A. Beetle 1946-5-7 4256 Napa N of Calistoga at Myrtledale Hot Springs, Napa Co. Comment
  UCD91553  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Calistoga. Near the hot springs at the airport. Comment
  RSA10674  Poa secunda C. B. Wolf 1928-5-3 1814 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD90997  Poa secunda subsp. secunda Frank Gordon 1924-5-1 s.n. Napa Suisun Valley. Comment
  UCD91662  Poa secunda subsp. secunda Peter Kamb; Francia Chisaki 1950-4-22 1752 Napa W side of Wooden Valley on California Hwy 37. 304 Comment
  UCD92024  Poa secunda subsp. secunda E. W. Taylor 1932-4-1 s.n. Napa Entrance to Napa county traffic officers country club. 274 Comment
  UCD125418  Pogogyne douglasii G. H. Vansell 1934-5-16 s.n. Napa Napa Valley. Comment
  UCD21501  Pogogyne serpylloides Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4403 Napa Quail Ridge Reserve. 262 Comment
  UCD38573  Pogogyne serpylloides Beecher Crampton 1956-5-25 3476 Napa Southeast Capell Valley. Comment
  UCR23626  Pogogyne serpylloides John C. Roos 1939-4-29 291 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS51381  Polycarpon tetraphyllum W. L. Jepson 1894-10-15 Napa St. Helena Comment
  JEPS51382  Polycarpon tetraphyllum W. L. Jepson 1897-5-2 Napa St. Helena; along railroad track Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  UCD98413  Polycarpon tetraphyllum Freed W. Hoffman 1946-8-20 1855 Napa Conn Reservoir. Comment
  JEPS51315  Polygonum aviculare subsp. aviculare W. L. Jepson 1893-6-26 Napa Howell Mt. Napa Range Comment
  UC1562686  Polygonum aviculare subsp. depressum Barbara Ertter with Elizabeth Neese 1988-10-2 7971 Napa ca 15 air mi nnw Napa (e of boat-launching ramp on se edge); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  CAS-BOT-BC109156  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109161  Polygonum bolanderi C. G. Pringle 1882-10-9 s.n. Napa Napa Hills. Comment
  CAS-BOT-BC109162  Polygonum bolanderi Wilhelm Nikolaus Suksdorf 1913-7-30 748 Napa Northwest of Napa. Comment
  POM263036  Polygonum bolanderi J. C. Roos 1938-11-12 320 Napa In rocky place, Angwin, Napa Range. Comment
  CAS-BOT-BC414386  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  JEPS112594  Polygonum lapathifolium Jake Ruygt 1991-8-24 2832 Napa Napa River at Bale Lane 80 Comment
  CAS-BOT-BC419831  Polygonum parryi John Thomas Howell 1940-5-19 15466 Napa Upper St. Helena Creek Comment
  CHSC103008  Polygonum persicaria Lowell Ahart 2009-10-12 16448 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
  JEPS112590  Polygonum persicaria Jake Ruygt 1978-8-29 403 Napa .6 mile north of Hoffman Lane on Solano Avenue 24 Comment
  JEPS120417  Polygonum punctatum Jake Ruygt 2010-8-23 5734 Napa Bell Canyon Reservoir near dam. Comment
  JEPS116556  Polypodium calirhiza Jake Ruygt 2000-4-3 4229 Napa Henry Road, Henry Ranch, Carneros Valley. Napa 7.5' Quad. 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
  CAS-BOT-BC237256  Polypogon monspeliensis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs Comment
  SJSU8157  Polystichum californicum D. L. Blair 1968-4-5 Napa ravine in Cleary Reserve, Pope Valley Comment
  CAS-BOT-BC72149  Polystichum californicum Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house Rd. below Mt. St. Helena Comment
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  CAS-BOT-BC445238  Portulaca oleracea J. H. Thomas 1964-6-28 10438 Napa At Charles Krug winery at St. Helena. Comment
  UCD170619  Potamogeton 1998-6-29 s.n. Napa Calistoga, Sterling Vineyards, 1111 Dunaweal Ln. 96 Comment
  CAS-BOT-BC453918  Potamogeton pectinatus Peter H. Raven 1951-10-28 3943 Napa Conn Lake 152 Comment
  UC184618  Proboscidea louisianica subsp. louisianica H. J. Baade 1915-9-28 Napa Napa Comment
  JEPS44630  Prunus ilicifolia Frank A. Leach 1923-4-30 Napa about 3 or 4 mi e of Napa 243 Comment
  UC12726  Prunus virginiana var. demissa Willis L. Jepson 1894-4-30 Napa Napa River Basin, Rebecca Ranch grade Rebecca Ranch grade; Napa River Basin, Rebecca Ranch grade Comment
  UC608410  Prunus virginiana var. demissa Beryl O. Schreiber 1936-3-5 2205 Napa 0.3 mi WSW of Petrified Forest Comment
  CAS-BOT-BC356377  Pseudognaphalium beneolens Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD73398  Pseudognaphalium californicum 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
  JEPS20447  Pseudognaphalium californicum Willis L. Jepson 1893-6-24 14741 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD63178  Pseudognaphalium microcephalum Jake Ruygt 1988-3-26 2138 Napa east of Toll canyon on Blue Ridge. 673 Comment
  JEPS106962  Pseudognaphalium stramineum Jake Ruygt 1997-7-5 3872 Napa east of White Cliff Springs east of Soda Valley. 371 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
  UCD63177  Pseudognaphalium thermale Jake Ruygt 1988-8-14 2231 Napa Berryessa-Knoxville Rd. at Pope Canyon Road. 143 Comment
  RSA195368  Pseudotsuga menziesii Gilbert Muth 1967-2-12 528 Napa Below Martin Springs. 439 Comment
  UCD120917  Pseudotsuga menziesii var. menziesii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7338 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD133367  Pseudotsuga menziesii var. menziesii Beecher Crampton 1955-3-15 2328 Napa Calistoga. Comment
  UCD162095  Pseudotsuga menziesii var. menziesii Dylan O. Burge 2014-3-15 1492 Napa Mount Saint Helena. 750 Comment
  JEPS106886  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1992-6-2 3017 Napa Mitten Lake, Wild Horse Valley Ranch 409 Comment
  UC1245374  Psilocarphus oregonus Joseph P. Tracy 1950-5-23 18666 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at the head of Moores Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UCD161275  Psilocarphus oregonus Jake Ruygt 2007-5-26 5194 Napa Duff Ranch, north of High Point and Grassy Hill. (Coordinates estimated by label maker at UC Davis). 783 Comment
  UC35749  Psilocarphus tenellus Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  JEPS85023  Pterostegia drymarioides Larry Heckard and Mary Ashton 1969-5-3 2217 Napa ca. 7 mi. n.e. Napa (off Atlas Peak Rd., above and w. of the meadow, Mead Ranch); Mead Ranch 510 Comment
  UC1735927  Pterostegia drymarioides Dean W. Taylor 1973-1-27 2059 Napa below Montecello Dam at Lake Berryessa along Putah Creek; under rocks on the south exposure of the canyon Comment
  JEPS106407  Pyrola aphylla Jake Ruygt 1988-6-4 2217 Napa Mt. St. Helena <.5 mi. from HWY 29 on fire road 707 Comment
  RSA34045  Pyrrocoma racemosa A. A. Heller 1927-8-26 14466 Napa Calistoga Comment
  UCD63164  Pyrrocoma racemosa var. racemosa Jake Ruygt 1996-7-13 3767 b Napa Soda Spring, east of Soda Valley; White Cliff Springs. 350 Comment
  UCD102777  Quercus X morehus Daniel Sanchez-Mata; M. G. Barbour and M. P. Rodriguez-Rojo 2002-5-4 s.n. Napa Lake Berryessa. Monticello Dam-Moskowite Corner. 280 Comment
  HSC83359  Quercus agrifolia W. C. Overton 1980-7-13 Napa S bank of Eticuera Creek 1.5 mi N of Lake Berryessa 177 Comment
  JEPS37368  Quercus agrifolia W. L. Jepson 1907-12-1 2971 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37715  Quercus agrifolia W. L. Jepson 1901-11-17 1753 Napa near St. Helena; Napa River Basin Comment
  SFV17674  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 7 Napa Highway 28, 7.7 miles (by road) west of junction with Highway 37. Southeast-facing hillslope above Sage Creek. Comment
  UCD45210  Quercus berberidifolia G. L. Stebbins Jr. 1948-5-9 3938 Napa South-facing slope, on edge of serpentine formation; Capell Canyon, beside road from Monticello to Rutherford, 9 miles southeast of Monticello, Napa County, California. 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
  UCD92280  Quercus berberidifolia D. Q. Cavagnaro 1963-10-18 224 Napa 0.4 miles west of Monticello Dam. 30 Comment
  UCR212388  Quercus berberidifolia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
Read comments Oct 11 2010
  CAS-BOT-BC62460  Quercus chrysolepis Peter H. Raven 1964-5-9 19060 Napa along dirt road 2 miles west of Aetna Springs Comment
  JEPS2952 Image available Quercus chrysolepis W. L. Jepson 1893-5-4 Napa summit Mt. St. Helena; Napa River Basin; Mt. St. Helena, Napa River Basin Comment
  UC1135373  Quercus chrysolepis J. B. Spring, R. W. Lundh 1932-6-27 89 Napa 1.5 mi s and 0.25 mi e McCormack Ranch; Santa Rosa Quad. 548 Comment
  UCD83394  Quercus chrysolepis Jake Ruygt 1991-5-4 2636 Napa Friesen's Lakes, Lake Henne. 548 Comment
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  JEPS37330  Quercus douglasii W. L. Jepson 1904-6-3 2435 Napa St. Helena to Howell Mt. Comment
  JEPS37393  Quercus douglasii Willis L. Jepson 1901-8-6 1729 Napa Howell Mt. grade Napa River Basin Comment
  UC1196502  Quercus douglasii Joseph P. Tracy 1933-4-30 12085 Napa 5 mi e Angwin's; Howell Mountain, Moores Creek Comment
  UCD14552  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -15 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD49044  Quercus douglasii S. Colby; L. Hanson, C. Bosworth, K. Sesser, and G. Belley 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD83395  Quercus douglasii Jake Ruygt 1990-4-7 2461 b Napa Lake Hinman, W of Veterans' Home. 134 Comment
  SEINET12034333  Quercus douglasii C. G. Pringle 1882-1 s.n. Napa Calistoga Comment
  RSA602571  Quercus dumosa Louis C. Wheeler 1952-8-30 6875 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SEINET12029187  Quercus dumosa Unknown 1941-1 126 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  CAS-BOT-BC79843  Quercus durata Walter Knight; Irja Knight 1963-9-15 241 Napa Los Alamos Rd., Santa Rosa 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
  SEINET3144186  Quercus durata Unknown 1950-11-12 2014 -13 Napa Hwy 28, 2.2 mi (by road) W of jnct w/ Hwy 37, above Sage Creek Comment
  UCD14836  Quercus durata John M. Tucker 1950-11-12 2014 -12 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  HSC96007  Quercus durata var. durata D. Sanchez-Mata 1996-6-22 Napa Capell Valley, in Capell Creek 380 Comment
  JEPS116540  Quercus durata var. durata Jake Ruygt 1996-5-14 3689 Napa White Cliff Springs; Elder Valley; (Sabini property). Chiles Valley 7.5' Quad. Comment
  UCD48033  Quercus durata var. durata E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 6 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  JEPS116535  Quercus garryana Jake Ruygt 1984-3-28 1510 Napa West of end of Whitehall Lane. Rutherford 7.5' Quad. Comment
  UCD46059  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2357 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. Comment
  UCD46100  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2356 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. Comment
  CAS-BOT-BC105300  Quercus kelloggii Alice Eastwood 1922-5-14 11314 Napa Mt. St. Helena Comment
  CDA29134  Quercus kelloggii D. G. Kelch, Daniel Weinstein 2009-6-21 9 .445 Napa Near Skyline Park. Comment
  RSA623982  Quercus kelloggii T. Gertrude Williamson 1924-7-4 346 Napa Canon near S. Helena, Napa Valley. Comment
  UC521690  Quercus kelloggii Joseph Andorfer Ewan 1933-9-17 8012 Napa trail above Mt. St. Helena <???>; Mt. St. Helena Comment
  UCD120920  Quercus kelloggii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7340 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD14958  Quercus kelloggii John M. Tucker 1976-10-24 4383 Napa California, Napa County: Beside Dry Creek Road, 0.8 mi. east of junction with Wall Road, and 5 mi. (by road) southwest of Oakville. Comment
  UCD46679  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  CAS-BOT-BC62879  Quercus lobata Peter H. Raven 1952-5-31 4148 Napa Summit of hills sw of Rector Canyon 304 Comment
  CAS-BOT-BC62882  Quercus lobata M. S. Jussel 1932-4-10 s.n. Napa St. Helena 10 miles N.E. Cliff Spring Comment
  JEPS20257  Quercus lobata W. L. Jepson 1942-11-1 20745 Napa Conn Valley Napa Range Comment
  UCD48374  Quercus lobata Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, 3 m from end of Decker Bay Trail and 20 m from edge of Lake Berryessa. 146 Comment
  UCD49050  Quercus lobata Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near dilapidated buildings. 152 Comment
  CAS-BOT-BC104978  Quercus wislizeni Carl B. Wolf 1928-5-4 1862 Napa Mt. St. Helena Comment
  UCD83401  Quercus wislizeni Jake Ruygt 1992-7-18 3101 Napa Green Valley Ranch, end of Green Valley Rd. 316 Comment
  HSC59003  Ranunculus arvensis Dan Wyrick 1975-4-22 217 Napa Near Pacific Union College 549 Comment
  UCD81441  Ranunculus californicus M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  CAS-BOT-BC378487  Ranunculus californicus var. californicus David D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 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
  UCD17979  Ranunculus muricatus Ellen Dean; with Plant Biology 102 class 2001-4-14 704 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  JEPS110879  Ranunculus occidentalis Jake Ruygt 1980-4-4 825 Napa Foss Valley 445 Comment
  JEPS60693  Ranunculus occidentalis Joseph P. Tracy 1933-4-30 12094 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 396 Comment
  JEPS60702  Ranunculus occidentalis W. L. Jepson 1920-5-25 9044 Napa Knoxville Ridge; ne Napa Co. 670 Comment
  UC1607872  Ranunculus occidentalis C. G. Nast 1936-3-27 54 Napa Berryessa Valley Comment
  UCD20824  Ranunculus occidentalis N. Nicola 2001-3-30 040 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD48146  Ranunculus occidentalis J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 16 Napa Napa County, McLaughlin Reserve, near Yolo County line. 670 Comment
  POM264976  Ranunculus occidentalis var. eisenii I. L. Wiggins 1928-3-24 2862 Napa Grade on old road to Lake Co. above Calistoga. Comment
  UCD169879  Ranunculus occidentalis var. occidentalis Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 719 Napa Knoxville Wildlife Area. 239 Comment
  JEPS55192  Ranunculus pusillus W. L. Jepson 1921-5-6 9180 Napa Calistoga 109 Comment
  JEPS110989  Ranunculus pusillus Jake Ruygt 1990-5-5 2525 Napa Johnsons Meadow, Wild Horse Valley Ranch 420 Comment
  UCD160036  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 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
  UCD116484  Reseda luteola K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD54552  Reseda luteola Ellen Dean 2005-10-12 2740 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC427558  Reseda luteola Peter H. Raven 1951-6-10 2896 Napa Rt. #29 n. of Calistoga 106 Comment
  CAS-BOT-BC362891  Rhagadiolus stellatus Wilma Follette 2002-4-17 s.n. Napa Mt. Veeder Road Comment
  CAS-BOT-BC362892  Rhagadiolus stellatus Alice Ackley; Marie Taylor 1978-3-28 s.n. Napa Triniti Road Comment
  UC592789  Rhamnus californica subsp. californica unknown 1928-2-25 1505 Napa 2 mi n summit of the Mt. St. Helena grade to Middletown Comment
  UCD73432  Rhamnus crocea 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-BC56018  Rhamnus ilicifolia John Thomas Howell 1929-8-4 4366 Napa One mile below Samuels Springs, Pope Creek Canyon, Napa Range Comment
  UCD16107  Rhamnus tomentella I. Coats 1983-6-3 57 Napa California. Napa County: 2.2 mi NW of Lower Chiles Valley Rd along Chiles Pope Valley Rd. Comment
  JEPS753  Rhamnus tomentella subsp. tomentella W. L. Jepson 1897-7-12 13980 Napa near Samuel's Springs Comment
  JEPS106403  Rhododendron occidentale Jake Ruygt 1987-5-16 1992 Napa Bismark Knob 579 Comment
  JEPS58750  Rhododendron occidentale W. L. Jepson 1897-7-13 14672 Napa Butts Canyon, near Napa Co. Comment
  UCD35625  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa North end of Capell Valley, above Capell Creek. Comment
  CAS-BOT-BC200716  Rhus aromatica Peter H. Raven 1952-5-26 4066 Napa Steel Canyon 304 Comment
  UC11500  Ribes californicum Willis L. Jepson 1893-5-2 Napa near Palisades; Napa River Basin, New Pope Valley grade Comment
  JEPS129079  Ribes californicum var. californicum Jake Ruygt 2016-4-5 6176 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  CDA11151  Ribes malvaceum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11562 Napa North Coast Biodiversity Arena; N side of Mt. George, above Sarco Creek, 10 m. NE of city of Napa. Comment
  UCD19944  Ribes malvaceum E. A. Dean; Virginia Boucher 2002-2-28 905 Napa Quail Ridge Reserve. Along upper trail, going N of stock pond at ridge top; going towards power lines, 0.1 airline miles S of powerlines, just upslope where lower and upper trails meet. 286 Comment
  UCD41415  Ribes malvaceum Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 128 Napa California, Napa County, McLaughlin UC Reserve. Along Devil Head Road, just upslope (south of) intersection with Knoxville-Berryessa Road. 487 Comment
  UCR146406  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Inner North Coast Ranges, 0.5 mile west of Monticello Dam 305 Comment
  UCD170208  Ribes malvaceum var. malvaceum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 749 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 363 Comment
  JEPS126025  Ribes sanguineum var. glutinosum Jake Ruygt 1982-3-22 1139 Napa Marie Creek, Skyline Park. Mount George 7.5' Quad. Comment
  JEPS110835  Ribes victoris Jake Ruygt 1989-3-18 2239 Napa Farm Labor Camp near Rector Res 73 Comment
  CAS-BOT-BC363047  Rigiopappus leptocladus John Thomas Howell 1931-4-3 6130 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  CDA10846  Rigiopappus leptocladus G. F. Hrusa, G. L. Stebbins 1994-4-18 11783 A Napa North Coast Biodiversity Arena; On side of rd. approx. 3 m. above Aetna Springs. 231 Comment
  HSC83455  Rigiopappus leptocladus G. Holstein 1977-5-11 Napa Edge of highway, along Hwy. 128, 0.2 mi. S of intersection with Barryessa-Knoxville Rd., Capell Valley Comment
  CAS-BOT-BC148159  Rosa gymnocarpa Alice Eastwood 1922-5-4 11248 Napa Calistoga Comment
  UC555669  Rosa gymnocarpa A. E. Borell 1928-4-13 141 Napa 10 mi nw Calistoga Comment
  SEINET11910993  Rosa gymnocarpa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -311 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UCD17693  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 83 Napa California. Napa County: junction of Silverado Trail and Spring Valley Road near 'Mather House. Comment
  UCD113843  Rubus parviflorus K. Esau 1920-4-19 s.n. Napa Calistoga. Comment
  CAS-BOT-BC156911  Rubus ursinus Elsa G. Ruckert 1960-4-3 67 Napa 6495 Dry Creek Road 365 Comment
  UCD118112  Rumex acetosella Megan Mateo; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  JEPS110756  Rumex crispus Jake Ruygt 1979-3-7 440 Napa Marina Drive at South Coombs 3 Comment
  UCD101453  Rumex pulcher Louise Krozek 1965-5-8 23 Napa Berryessa-Knoxville Road, ca. 7 miles north of State Highway 128. Comment
  UCD149041  Rumex salicifolius Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8187 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  JEPS107239 Image available Rupertia physodes Jake Ruygt 1988-5-3 2175 Napa .3 miles north of Oak Knoll Ave. on Silverado Trail 15 Comment
  CDA19126  Ruppia maritima D. Dannenberg 2001-6-14 PDR 1103335 Napa N side of American Canyon Dump at end of Eucalyptus Dr. 0 Comment
  UCD149605  Sagina apetala 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
  JEPS122750  Sagittaria sanfordii Jake Ruygt 2011-6-11 5801 Napa Solano Ave. north of Ragatz Lane, 100 ft south of Town of Yountville sign. Quad: Yountville. Comment
  CAS-BOT-BC103229  Salix bonplandiana Peter H. Raven 1953-4-2 5228 Napa Imola 60 Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  UCR64474  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa North Coast Ranges, Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  POM219053  Salix exigua Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 33 Napa About 2 km W of Calistoga. On main highway in roadside ditch. Comment
  RSA92782  Salix exigua Peter H. Raven 1952-5-31 4109 Napa Strand of Conn Creek. E of Yountville. 46 Comment
  UC482046  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 37 Napa ca. 16 km. w Calistoga (1 mi from <other> bank above Maacama Creek) Comment
  UC482102  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 33 Napa ca. 2 km. w Calistoga (on main hwy) Comment
  UC634548  Salix exigua var. hindsiana H. L. Mason 1926-3-14 2719 Napa along stream in grove Mt. St. Helena Comment
  UCD164793  Salix exigua var. hindsiana Jake Ruygt 1979-3-13 452 Napa Trefethen Vineyards at Dry Creek. 22 Comment
  JEPS122770  Salix gooddingii Jake Ruygt 2011-5-11 5783 Napa Putah Creek shoreline of Lake Berryessa, Berryessa Estates. Quad: Walter Springs. Comment
  CAS-BOT-BC108191  Salix hindsiana Paul H. Jr. Arnaud 1978-5-6 s.n. Napa Steele Resort Park, Lake Berryessa 100 Comment
  UC1356330  Salix laevigata Theodore J. Crovello 1964-4-15 429 Napa along State Hwy. 128 200 yards w.of junction with Silverado Trail Comment
  UCD149598  Salix laevigata 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
  UC1196585  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1933-4-30 12119 Napa Angwin Creek Northern Coast Ranges, Howell Mt., Angwin Creek 457 Comment
  JEPS13066  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2340 Napa St. Helena Napa River Basin, St. Helena Comment
  CHSC20623  Salix lasiolepis Carol C. Getzinger 1964-3-24 16 Napa Junction of Redwood Road and Brown's Valley Road. 152 Comment
  JEPS13831  Salix lasiolepis Willis L. Jepson 1903-9-6 2345 Napa St. Helena; Napa River Basin Comment
  JEPS13832  Salix lasiolepis Willis L. Jepson 1903-9-6 2346 Napa St. Helena; Napa River Basin Comment
  POM220467  Salix lasiolepis Carleton R. Ball, Harold E. Parks 1931-2-17 17 -b Napa 1 mile NW of Calistoga. Comment
  UC1356331  Salix lasiolepis Theodore J. Crovello 1964-3-14 384 Napa Trinity Road 8 mi e California Hwy. 12 Comment
  UC482319  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 17 a Napa 1 mi nw Calistoga (in shallow arroyo) 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
  UC507329  Salix lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  JEPS108633  Salvia sonomensis R. Raiche, H. Forbes, K Zadnik 1991-4-24 114 Napa Mt. George 542 Comment
  UC25739  Salvia sonomensis Willis L. Jepson 1893-5-1 Napa w of Calistoga; Napa River Basin Comment
  UCD73452  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD102769  Sambucus nigra subsp. caerulea Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
  UCD148828  Sanicula bipinnatifida Ellen Dean; Diana Hickson 2014-4-29 8133 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD18054  Sanicula crassicaulis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 607 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
  UCD48490  Sanicula crassicaulis C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 4 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail; 20 ft. NW from jct. with West Rd. 15 ft. S of stream. 152 Comment
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  POM133566  Sanicula tuberosa C. F. Baker 1903-4-20 10173 Napa Mt. St. Helena. Comment
  UCD128041  Sanicula tuberosa G. L. Webster 1967-3-23 7497 Napa vicinity of Bear Flat, north of Red Mountain. 213 Comment
  RSA10650  Saxifraga californica Carl B. Wolf 1928-5-3 1839 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  RSA15674  Saxifraga californica Carl B. Wolf 1928-2-25 1496 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS120427  Saxifraga californica Jake Ruygt 2010-3-27 5491 Napa Devil's Canyon on east side near falls. Comment
  JEPS8802  Scabiosa atropurpurea W. L. Jepson 1918-6-24 7668 Napa upper Napa Valley Napa Valley Comment
  UCSB4655  Scandix pecten-veneris Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  CAS-BOT-BC111446  Schoenoplectus californicus Peter Raven 1951-9-9 3901 Napa Slaugterhouse Pt., Napa River 0 Comment
  CAS-BOT-BC110877  Scirpus microcarpus Peter H. Raven 1952-9-14 5176 Napa Corn Creek E of Yountville 91 Comment
  JEPS63962  Scirpus microcarpus W. L. Jepson 1918-6-24 7667 Napa half way to toll-house on Mt. St. Helena from Calistoga (Silverado); , half way to toll-house on Mt. St. Helena Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  UCD41468  Scrophularia californica Ellen Dean; Deborah Canington 2003-3-1 1365 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along Decker Bay Trail, right along stream. 176 Comment
  JEPS77936  Scrophularia californica subsp. floribunda Edward Lee 1936-3-15 1791 Napa 2.3 mi by road out of Rutherford (road from Rutherford to Pope Valley); Conn Creek Comment
  JEPS112636  Scutellaria antirrhinoides Jake Ruygt 1986-6-9 1806 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd., Milliken Cn 445 Comment
  UC1713624  Scutellaria californica Lester Rowntree 1937-6-13 Napa Saca Canyon Comment
  JEPS62903 Image available Scutellaria siphocampyloides W. L. Jepson 1938-6-8 18903 Napa Butts Canyon Butts Canyon Comment
  JEPS129095  Scutellaria tuberosa Jake Ruygt 2016-4-26 6208 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UC154011  Scutellaria tuberosa Joseph P. Tracy 1902-5-21 1578 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 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
  UCD164852  Sedella pumila Jake Ruygt 2012-4-21 5822 Napa Crystal Flats, west of Putah Creek. 222 Comment
  CAS-BOT-BC63834  Sedum spathulifolium David D. Keck 1933-5-29 2354 Napa Pope Creek bridge, south of Walters Springs. Comment
  RSA0074711  Sedum spathulifolium C. B. Wolf 1928-5-3 1837 Napa Summit of Mount St. Helena Grade, north of Calistoga. 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
  POM197729  Selaginella wallacei John Thomas Howell 1930-3-23 4557 Napa E of Mt St Helena Inn, near Mt St Helena. Comment
  RSA26406  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 Comment
  JEPS106850  Senecio aronicoides Jake Ruygt 1979-4-23 543 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  RSA183412  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa Summit of Oakvillegrade Road, ca. 4 miles southwest of Oakville. Comment
  JEPS17417  Senecio vulgaris W. L. Jepson 1936-5-31 17572 Napa e of St. Helena; Howell Mountain, Jota Plateau Comment
  UCD135861  Senecio vulgaris M. R. Wanzer 1948-3-18 2 Napa Putah Creek Canyon, 12 miles west of Winters. Comment
  JEPS126081  Sesbania punicea Jake Ruygt 1992-6-1 3008 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  JEPS50095  Sidalcea diploscypha W. L. Jepson 1938-5-22 18822 Napa Snell Valley Comment
  UCD81824  Sidalcea diploscypha Ellen Dean 2009-4-24 5451 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD116728  Sidalcea hartwegii T. Adams 1998-5-10 9 Napa about 3 miles up Soda Canyon Road, across the road from the 'Soda Hole. 198 Comment
  UC796667  Sidalcea hartwegii Ira L. Wiggins 1949-4-30 12071 Napa about 15 mi ne Calistoga (between Calistoga and Clear Lake); ne of Calistoga, btw Calistoga and Clear Lake 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
  JEPS100817  Sidalcea keckii Dean Wm. Taylor with Mey Akasah 1999-6-3 17221 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  JEPS122722  Sidalcea keckii Jake Ruygt 1976-4-25 30 Napa 23.5 miles north of Pope Canyon Road on Berryessa-Knoxville River. Quad: Jericho Valley Comment
  JEPS129044  Sidalcea keckii Jake Ruygt 2016-5-28 6270 Napa Near East Side Easement Road. Lake Berryessa 7.5' Quad. Comment
  UC18857  Sidalcea malviflora subsp. laciniata Willis L. Jepson 1893-4-26 Napa Vineland Napa River Basin, Vineland Comment
  UCD167289  Sidalcea malviflora subsp. laciniata Jake Ruygt 1990-5-6 2531 Napa Yountville Ecological Reserve, Napa River, Yount. Cross Road. 27 Comment
  UCD144649  Silene antirrhina 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
  UC465677  Silene californica H. P. Chandler 1907-5-26 7591 Napa White Sulphur Spr St. Helena, White Sulphur Spr 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
  UCD37128  Silene laciniata subsp. californica Beecher Crampton 1957-6-4 4095 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  CAS-BOT-BC389180  Silene laciniata subsp. californica Betty H. Johnson 1958-6-20 620 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS106854  Silene verecunda subsp. platyota Jake Ruygt 1982-5-15 1254 Napa Buzzard's Roost east od Stag's Leap 609 Comment
  CAS-BOT-BC364803  Silybum marianum Betty H. Johnson 1958-6-15 643 Napa 1/4th mi. above Mt. Mill House, 6.4 mi S.-W. of Middletown 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
  JEPS113973  Smilax californica Jake Ruygt 1999-5-30 4175 Napa Sulphur Creek about 1/2 mile below the resort. Rutherford 7.5' Quad. Comment
  UCD126993  Solanum parishii M. R. Wanzer 1948-5-6 11 Napa Putah Creek Canyon, 8 miles west of Winters. Comment
  JEPS115758  Solanum rostratum Lowell Ahart 2009-10-27 16494 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
  UCD169858  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa About 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC154696  Solanum umbelliferum C. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC26280  Solanum umbelliferum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UC26281  Solanum umbelliferum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS7819  Solanum umbelliferum Peter H. Raven 1952-5-31 4159 Napa on Rector Creek Rector Creek 121 Comment
  SEINET5760783  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa North Coast Ranges; east slope in the Howell Mountains, 5 miles east of Napa 457 Comment
  SEINET12329995  Solanum xanti var. intermedium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -308 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  SEINET3149130  Solidago californica H. P. Chandler 1906-9-7 7117 Napa Alta Loma Ranch, Howell Mtn. 549 Comment
  JEPS18729  Soliva sessilis Willis L. Jepson 1893-5-8 14874 Napa Howell Mt. grade below New Eden; Napa River Basin, Howell Mt. Comment
  UCD54328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 Comment
  JEPS37531  Sonchus oleraceus W. L. Jepson 1936-6-2 17605 Napa banks Napa River (St. Helena); banks Napa River, St. Helena Comment
  UCD48571  Sonchus oleraceus K. Mogel; B. Pekin and M. Higley 2002-5-4 4 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 100 ft along the lower road that leads to the power lines; immediately downslope of road. 335 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
  CAS-BOT-BC390297  Spergularia macrotheca var. longistyla Milo S. Baker 1927-5-1 2111 a Napa Calistoga Geyser Comment
  HSC4242  Spergularia macrotheca var. longistyla Elsa Kraeger 1926-3-27 Napa Field near geyser, Calistoga Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  JEPS64519  Spiranthes porrifolia W. L. Jepson 1936-7-3 17632 Napa Four Corners Napa Range, Howell Mt. Comment
  JEPS62962  Stachys ajugoides W. L. Jepson 1894-11-7 14960 Napa Asylum Field Napa 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
  UCD69149  Stachys albens D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-24 s.n. Napa Aetna Springs-Middletown. Butts Canyon Road. Riparian Sargent cypress woodland on serpentine alluvial and rocky soils. 270 Comment
  RSA505701  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa Stream near Etna Springs. 366 Comment
  UC1537556  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa near Etna Springs 365 Comment
  SEINET9308544  Stachys bullata Unknown 1998-5-12 10 Napa Napa County Comment
  RSA10668  Stachys bullata Carl B. Wolf 1928-5-3 1821 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD126061  Stachys rigida var. quercetorum M. Wiesendanger 1927-5-4 686 Napa Near Monticello. 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
  UCD83669  Stachys rigida var. quercetorum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 4 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  CHSC102276  Stachys stricta Lowell Ahart 2009-10-12 16441 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC393991  Stellaria nitens Peter H. Raven 1950-4-15 1716 Napa Silverado Trail outside of Napa Comment
  UCD18020  Stellaria nitens Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 565 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
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa 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
  JEPS115765  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll 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 19 133 Comment
  JEPS123027  Stipa lemmonii Jake Ruygt 2002-4-17 4390 Napa North of Foss Valley, Atlas Peak, Vineyards (Antinori). Quad: Rutherford. Comment
  UCD170367  Stipa miliacea var. miliacea Daniel Potter; N Khuu, K Battenberg 2016-4-30 865 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  CAS-BOT-BC61247  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just south of summit on Butts Canyon road from Pope Valley. Comment
  CAS-BOT-BC61248  Streptanthus breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC61251  Streptanthus breweri John Thomas Howell 1937-7-18 13101 Napa Mount Saint Helena Creek. North Napa county. Comment
  UCD164231  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 309 Napa McLaughlin UC Reserve: 'Lomatium hill. 341 Comment
  CAS-BOT-BC61256  Streptanthus breweri C. Etienne 1972-6-11 s.n. Napa Above highway 29 ca. 1 mile south of Napa county line. 762 Comment
  UCD115951  Streptanthus breweri Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties. Butts Canyon Road. Comment
  JEPS106608  Streptanthus breweri var. hesperidis Jake Ruygt 1979-6-9 682 Napa 21.1 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 512 Comment
  UCSB2464  Streptanthus glandulosus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa North side of canyon of Sage Creek about 3 miles east of Chiles Valley Comment
  CAS-BOT-BC87159  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1958-4-19 7116 Napa About 2 miles southwest of Oakville. 152 Comment
  UCD161701  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2010-5-1 5528 Napa southwest of end Cedar-Pocock Creek Road. (Coordinates converted from UTM data by label maker.) 365 Comment
  UCD74406  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1996-4-27 3636 b Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  UCD116024  Streptanthus hesperidis Robert E. Preston 1987-5-9 556 Napa north side of Morgan Valley Road, 2.7 miles north of its junction with Pope Valley Road. [Correction from Rob Preston, 2014, north side of Knoxville-Berryessa Road, 2.7 miles north of its junction with Pope Valley Road.] 182 Comment
  UCD160653  Streptanthus hesperidis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8739 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD164232  Streptanthus hesperidis N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 310 Napa Knoxville-Devilhead road, towards Hunting Creek.(Coordinates estimated by label maker). Comment
  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
  CAS-BOT-BC87393  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa At junction of Hunting Creek with Rare Plant Canyon. 365 Comment
  UCD164730  Streptanthus morrisonii Jake Ruygt 2014-6-14 6010 Napa Livermore Ranch, NW of Cornona Mine. 667 Comment
  JEPS106599  Streptanthus morrisonii subsp. hirtiflorus Jake Ruygt 1980-6-17 928 Napa ''sensitive plant canyon'' off Devilshead Road;E of Hunting Cr 451 Comment
Read comments Jan 9 2015
  JEPS106596  Streptanthus tortuosus var. tortuosus Jake Ruygt 1990-4-28 2509 Napa Mt. St. Helena, along fire trail 963 Comment
  CAS-BOT-BC269541  Symphoricarpos albus var. laevigatus Alice Eastwood 1918-5-1 6852 Napa Mt. St. Helena Comment
  UCD137413  Symphoricarpos albus var. laevigatus M. Ensign 1943-5-29 309 Napa 10 miles north of Monticello along Monticello-Lower Lake Road. Comment
  LA203051  Symphyotrichum lentum Milo S. Baker; 1932-9-24 6028 Napa southern outskirts of Napa City Comment
  JEPS122694  Symphyotrichum spathulatum Jake Ruygt 1981-6-18 1054 Napa 0.3 miles east of Flosden Road in American Canyon Road. Quad: Cordelia. Comment
  UC165065  Symphyotrichum spathulatum Joseph P. Tracy 1904-5-23 2081 Napa near, (Napa Valley) Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS40818  Symphyotrichum subspicatum W. L. Jepson 1894-11-7 Napa Napa City Comment
  OBI72075  Symphyotrichum subulatum var. parviflorum Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Crk in North coast Ranges, T7N R5W. below spillway on N side of Rt 128 91 Comment
  JEPS36852  Taraxacum officinale W. L. Jepson 1924-4-27 10384 Napa Mt. St. Helena Comment
  UC107641  Taraxia ovata Mrs. K. Curran Sept. 1888 Napa Howell Mountain Comment
  JEPS129144  Tetragonia tetragonoides Jake Ruygt 1980-3-27 819 Napa Napa Valley Garbage disposal site. Cuttings Wharf 7.5' Quad. Comment
  UCR261675  Tetrapteron graciliflorum Ann Howald 2003-4-19 2301 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  CDA12199  Thermopsis californica var. californica G. F. Hrusa 1989-4-29 6045 Napa North Coast Biodiversity Arena; Chiles Valley Rd., approx. 2 km N of junction of Hwy 128 and Chiles Valley Rd. Comment
  UCD108634  Thermopsis californica var. californica M. Wiesendanger 1927-5-4 689 Napa Monticello-Napa Rd. Comment
  UCD18087  Thermopsis californica var. californica Ellen Dean; with PLB 102 class 2000-4-22 643 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD39033  Thermopsis californica var. californica Beecher Crampton 1962-5-16 6419 Napa Chiles Valley, above Sage Creek. 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
  UCD48027  Thermopsis macrophylla Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 23 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC66480  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4575 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66519  Thysanocarpus curvipes Lowell Ahart 1969-4-7 s.n. Napa Near Lake Berryessa. 243 Comment
  UCD73413  Thysanocarpus curvipes 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
  UCR212324  Thysanocarpus curvipes Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  CAS-BOT-BC66485  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  JEPS54175  Thysanocarpus curvipes W. L. Jepson 1923-4-29 9895 Napa St. Helena; Little flat on border of foothills 91 Comment
  UCD14242  Thysanocarpus curvipes M. A. LeFevre 1974-4-6 53 -4e Napa Along Highway 128 at Monicello Dam on Lake Berryessa. 304 Comment
  UCR17696  Thysanocarpus curvipes var. elegans E. Turula 1975-3-29 76 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  CAS-BOT-BC67310  Thysanocarpus radians Peter H. Raven 1953-4-2 5296 Napa Tulucay Creek. 152 Comment
  JEPS666 Image available Thysanocarpus radians W. L. Jepson 1893-4-28 30 n Napa plateau n Mt. George; Napa River Basin Comment
  UC457173  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 mi s Monticello (eastern Napa County) Comment
  UCD124645  Tonella tenella G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12024 Napa On N slope immediately below field house, Quail Ridge Reserve. 370 Comment
  JEPS18244  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa w edge Calistoga 182 Comment
  JEPS26171  Tonella tenella Joseph P. Tracy 1902-5-14 1444 Napa 1 mi from St. Helena (on Howell Mt road); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS104489  Torilis arvensis Jake Ruygt 1985-5-8 1596 Napa west of Veteran's Home 167 Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  CAS-BOT-BC85171  Torreya californica L. R. Abrams 1928-5-4 12279 Napa Mt. St. Helena toll house Comment
  JEPS103993  Torreya californica Jake Ruygt 1979-5-6 582 Napa Mt. St. Helena 731 Comment
  JEPS48375  Torreya californica W. L. Jepson 1924-4-27 10385 Napa Mt. St. Helena at Toll House Mt. St. Helena Comment
  JEPS48385  Torreya californica Kellogg 1888 Napa Mt. St. Helena Comment
  SEINET3073146 Image available Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC1004707  Torreya californica J. M. Tucker 1954-4-22 2699 Napa 1 mi n of summit of road Mt. St. Helena (beside Highway 29, e side of Mt. St. Helena) 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
  UC17923  Toxicodendron diversilobum Willis L. Jepson May, 1893 Napa near St. Helena St. Helena; Napa R. Basin Comment
  UCD110460  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -b Napa Knoxville. 593 Comment
  UCD110461  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -a Napa Knoxville. 593 Comment
  UCD15984  Toxicoscordion fontanum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 1 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2'' N; 122 deg. 21' 11.7''W; 480 m. Comment
  UCD170439  Tragopogon porrifolius Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 911 Napa Knoxville Wildlife Area, along Berryessa-Knoxville Road. 407 Comment
  CAS-BOT-BC220991  Trichostema Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line 316 Comment
  SEINET9366903  Trichostema lanceolatum Unknown 1997-8-17 Napa Pope Valley Comment
  UCD18360  Trichostema lanceolatum L. S. Kimsey 1997-8-17 s.n. Napa Pope Valley, 0.25 miles south of Aetna Springs. Comment
  JEPS112639  Trichostema laxum Jake Ruygt 1979-6-9 687 Napa 23.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 609 Comment
  JEPS63145  Trichostema laxum W. L. Jepson 1930-10-19 15692 Napa 3 1/2 mi N of Aetna Springs (Butts Canyon) Comment
  UC1191154  Trichostema laxum Herbert L. Mason 1936-9-19 11540 Napa St. Helena Creek Comment
  JEPS120348  Trichostema ruygtii Jake Ruygt 2004-8-21 4648 Napa Atlas Peak Road about 1/4 mile north of Hardman Ave., near Silverado C. C. Napa 7.5' Quad. Comment
  UCD166646  Trichostema ruygtii Jake Ruygt 1998-8-15 4105 Napa Atlas Peak Road, Mead Ranch. 487 Comment
  UC1925880  Trifolium Ethel Crum 1931-1 1056 Napa Pope Valley Comment
  UC1925896  Trifolium Ethel Crum 1931-1 1046 Napa Four miles from Yountville. Comment
  UCD83435  Trifolium albopurpureum Jake Ruygt 2003-5-17 4525 Napa Archer Taylor Preserve. 548 Comment
  JEPS106690  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1992-4-10 2898 Napa Wild Horse Valley Ranch east of south lake 457 Comment
  UC16497  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  JEPS106694  Trifolium barbigerum var. barbigerum Jake Ruygt 1981-4-27 1007 Napa Milton Rd. across from Maury's Yachts 1 Comment
  UC1925870  Trifolium bifidum Ethel Crum 1931-1 1055 Napa Pope Valley Comment
  UCD16046  Trifolium bifidum var. bifidum R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 19 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, moderately moist soil, east facing slope, sunny. Herb, 10-13 cm tall, flowers light pink to lavender. Comment
  UCD83440  Trifolium bifidum var. decipiens Jake Ruygt 1996-5-13 3677 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 466 Comment
  UC1197202  Trifolium ciliolatum Joseph P. Tracy 1899-6-14 395 Napa 3-4 mi e Angwin (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 518 Comment
  OBI12704  Trifolium ciliolatum R. L. Hoover 1968-4-20 46 Napa On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd Comment
  UCD83441  Trifolium ciliolatum Jake Ruygt 1981-4-18 977 a Napa Harris Canyon. 213 Comment
  UCD108358  Trifolium depauperatum var. amplectens D. C. Finfrock 1950-4-6 21 Napa 14 miles from Monticello, Pope Valley. Comment
  JEPS106802  Trifolium depauperatum var. depauperatum Jake Ruygt 1995-4-8 3414 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  UC165570  Trifolium depauperatum var. stenophyllum H. P. Chandler 1907-4-21 7522 Napa side of summit Comment
  UCD108523  Trifolium depauperatum var. truncatum P. B. Kennedy 1910-11-1 s.n. Napa Near St. Simeon, upper California. Comment
  UCD38372  Trifolium depauperatum var. truncatum Beecher Crampton 1955-4-4 2390 Napa 2 miles north of Calistoga. Comment
  POM182744  Trifolium dichotomum D. D. Keck 1931-4-2 1040 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  SEINET3131839  Trifolium dichotomum L. S. Rose 1935-4-18 35100 Napa Steel Canyon Comment
  UC1197025  Trifolium fucatum Joseph P. Tracy 1902-5-17 1521 Napa 3-4 mi e Angwin's (at head of Moore's Creek); Northern Coast Ranges, Howell's Mtn 365 Comment
  UCD48022  Trifolium fucatum M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 21 Napa Napa County, McLaughlin Reserve, north of Knoxvillle-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 426 Comment
  POM262789  Trifolium fucatum var. fucatum J. C. Roos 1939-4-15 279 Napa Pope Valley Comment
  POM18838  Trifolium fucatum var. fucatum C. F. Baker 1981 Napa Calistoga. Comment
  JEPS106812  Trifolium glomeratum Jake Ruygt 1994-5-2 3367 Napa Kirkland Ranch, NE side of HWY 29 and 12 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
  JEPS106611  Trifolium gracilentum var. gracilentum Jake Ruygt 1996-4-10 3571 Napa Milliken Peak 219 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
  UCD167165  Trifolium microcephalum Jake Ruygt 2015-4-20 6070 Napa Fernandes/ Land Trust, Snell Peak area. 319 Comment
  UCD83411  Trifolium microcephalum Jake Ruygt 1982-4-7 1172 Napa Suscol Hill. 24 Comment
  JEPS106712  Trifolium microdon Jake Ruygt 1996-5-4 3646 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  JEPS129162  Trifolium microdon Jake Ruygt 2015-3-28 6058 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  UC1197498  Trifolium obtusiflorum Joseph P. Tracy 1902-5-15 1481 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UCD83421  Trifolium obtusiflorum Jake Ruygt 1988-5-1 2163 b Napa Swartz Creek near Aetna Springs. 217 Comment
  UCD83420  Trifolium obtusiflorum Jake Ruygt 1988-6-4 2214 Napa S slope of Mt. St. Helena above Red Hill. 731 Comment
  UCD116971  Trifolium oliganthum Jillian Howard; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  UC16686  Trifolium oliganthum Willis L. Jepson 1893-4-24 Napa e St. Helena (hills) Comment
  UCD111357  Trifolium olivaceum M. Wiesendanger 1926-4-1 1491 Napa location unknown. Comment
  JEPS126125  Trifolium resupinatum Jake Ruygt 2006-5-18 5031 Napa Airport Road on south side, about 0.1 mile west of Highway 29. Cuttings Wharf 7.5' Qua. Comment
  RSA424732  Trifolium subterraneum Aaron Liston, M. Blumler, B. Grummer 1987-4-25 660 -2 Napa Bothe Napa Valley State Park. Comment
  UCD17991  Trifolium subterraneum Ellen Dean; with Plant Biology 102 class 2001-4-14 717 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  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
  UC867031  Trifolium variegatum var. melananthum Alice Eastwood 1915-6-5 4649 Napa Calistoga Comment
  JEPS4428  Trifolium variegatum var. melananthum Willis L. Jepson 1893-4-27 13706 Napa near Yountville (Napa Valley); Napa River Basin Comment
  UC1103450  Trifolium variegatum var. variegatum Joseph P. Tracy 1903-5-22 1884 Napa on Eel River (Alder Point); Northern Coast Ranges 152 Comment
  CDA10893  Trifolium willdenovii G. F. Hrusa, M. Rejmanek 1993-5-15 10988 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD118102  Trifolium willdenovii Megan Mateo; 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
  UCD109855  Trifolium willdenovii G. F. Hrusa 1992-4-15 10381 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  JEPS106754  Trifolium wormskioldii Jake Ruygt 1982-5-8 1229 Napa north side of American Canyon 85 Comment
  CAS-BOT-BC451902  Triglochin maritima Peter H. Raven 1952-8-26 5143 Napa Nr. Bentley Wharf 15 Comment
  UCD166662  Triglochin maritima Jake Ruygt 1988-3-18 2126 Napa Fagan's Marsh. 1 Comment
  JEPS113977  Trillium albidum Jake Ruygt 2003-4-5 4489 Napa Mount George, Foote Preserve, Sarco Creek. Mount George 7.5' Quad. Comment
  CAS-BOT-BC520826  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
  SEINET3991301  Trillium chloropetalum Unknown 1950-4-15 1734 Napa Shaded canyon in chaparell, Monticello Road (Wooden Valley "illegible word") above Napa 305 Comment
  CAS-BOT-BC521019  Trillium chloropetalum var. giganteum Alice Eastwood 1918-5-1 6859 Napa Mt St. Helena Comment
  UCD123390  Triphysaria eriantha R. L. Smith 1948-5-7 s.n. Napa 3 miles east of Samuel Springs, east branch of Monticello Valley. Comment
  JEPS74865  Triphysaria eriantha subsp. eriantha T. I. and F. M. Chuang 1975-5-4 7510 Napa 5.7 mi e Pope Valley; e of Pope Valley 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
  JEPS110675  Triphysaria pusilla Jake Ruygt 1979-4-17 523 a Napa north of Suscol Hill 24 Comment
  UC673458  Triphysaria pusilla A. E. Borell 1928-4-13 131 Napa ten mi se Petaluma Comment
  UCD162915  Triphysaria versicolor John Yoder 2015-3-23 s.n. Napa S of Napa, 450 Technology Way. Comment
  UC1301195  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5326 Napa off of Kelly Road 4 mi s Napa; San Francisco Bay Region 45 Comment
  UCD93502  Trisetum canescens Beecher Crampton 1956-5-25 3486 Napa Howell Mtns. Comment
  UCD139308  Triteleia hyacinthina M. Wiesendanger 1928-4-5 867 Napa Calistoga. Comment
  SEINET198873  Triteleia laxa R. L. Ferral 1954-5-30 12 Napa 5 feet off road on west side ca. 3 miles south of Capell Valley road junction on Montcello-Napa road 244 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
  UCD139391  Triteleia laxa Carolyn Thomas 1974-4-14 10822 Napa near Yountville, near Thomas Ranch. 274 Comment
  CAS-BOT-BC526510  Triteleia laxa Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS58051  Triteleia laxa Elizabeth Ferguson 1920-5-15 348 Napa Pope Creek and Howell Mt. Howell Mt., Pope Creek Comment
  RSA0009491  Triteleia laxa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD21718  Triteleia laxa Robin McMaster 1972-4-9 49 Napa Lake Berryessa, shaded grassy slope. Comment
Read comments Dec 18 2011
  UCSB826  Triteleia laxa Keator, Glenn 1958-6-16 Napa Just east of Lake Hennessy, Napa range Comment
  UCD148739  Triteleia lugens Jake Ruygt 1989-5-13 2322 Napa Napa County; Vaca Mtns. About 1 mile north of Mt. Vaca. 822 Comment
  RSA115536  Tropidocarpum gracile Beecher Crampton 1957-4-15 3931 Napa Along the road, E slope of Wrag Canyon, Vaca Mtns. Comment
  CAS-BOT-BC91199  Umbellularia californica Peter H. Raven 1954-1-22 6384 Napa Sulfur Springs Canyon just north of the resort. 182 Comment
  UCD117761  Umbellularia californica Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  UCD137947  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 4 miles north Conn. Reservoir. Jct. Pope Valley Road with Lower Chiles Valley Road. Comment
  JEPS129059  Vancouveria planipetala Jake Ruygt 1979-5-29 640 Napa 2.7 miles north of Mt. Veeder Road on Redwood Road. Sonoma 7.5' Quad. Comment
  CLARK-A1528-4322  Verbascum blattaria John C. Roos 1938-10-22 265 Napa Comment
  UCD35332  Veronica persica Beecher Crampton 1955-5-16 2796 Napa 8.5 miles west of Winters, just west of the Monticello Dam site. Comment
Read comments Mar 30 2009
  JEPS106822  Viburnum ellipticum Jake Ruygt 1999-6-9 4187 Napa Skyline Park, Marie Creek Road. 219 Comment
  UCD167054  Vicia americana subsp. americana Jake Ruygt 1992-4-29 2919 Napa Wild Horse Valley Ranch, SW of the south pond. 448 Comment
  POM16866  Vicia sativa C. F. Baker 1903-4-19 2600 Napa St. Helena Comment
  SEINET7042499  Vicia sativa A. G. Vestal 1963-4-7 s.n. Napa 3.8 miles north of Saint Helena on the Silverado Trail. Saint Helena quadrangle UTM Zone 10, 544281mE, 4266677mN. Comment
  JEPS106539  Vicia sativa subsp. nigra Jake Ruygt 1996-4-6 3551 Napa near ridgetop, sout of Rector Dam. 243 Comment
  UCD48007  Vicia sativa subsp. sativa Ryan Knox; E. McDermott, and G. Walden 2002-4-13 11 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of the road. 432 Comment
  CHSC20644  Vicia villosa subsp. varia Robert A. Schlising; Greg Bos 1963-3-30 2474 Napa Junction of Pope Valley Road and Lower Chiles Valley Road. Comment