Search Results — 2000 specimen records retrieved (1461 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD128294  Achillea millefolium Kamala Crompton 1996-5-12 14 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD47869  Achillea millefolium S. E. Ratay; M. Disney, J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 27 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD73927  Achnatherum coronatum G. Ledyard Stebbins 1966-5-28 6426 Napa Markley Canyon. Comment
  SEINET11687430  Achnatherum lemmonii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -300 Napa Robert Lewis Stevenson State Park, trailhead on CA 29 near St. Helena Creek 750 Comment
  JEPS104508  Achyrachaena mollis Jake Ruygt 1982-4-14 1184 Napa Suscol Plain east of Kaiser Steel 1 Comment
  CAS-BOT-BC29757  Achyrachaena mollis David D. Keck 1931-4-3 1058 Napa 7 miles NW of monticello (1 mile above the mouth of Pope Creek) Comment
  RSA195339  Achyrachaena mollis Gilbert Muth 1967-5-19 695 Napa Milliken Dam. 335 Comment
  RSA424737  Achyrachaena mollis Aaron Liston 1987-4-25 661 -2 Napa NE side of Lake Hennessey, Conn Valley Road. Comment
  UCD167102  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6122 Napa Missimer - Snell Valley Preserve. 177 Comment
  UCD103790  Acmispon americanus var. americanus Edward Lee Greene 1979-6-1 s.n. Napa location unknown. Comment
  UCD103940  Acmispon americanus var. americanus John M. Tucker 1941-9-20 393 Napa Putah Canyon, Vaca Range. Comment
  JEPS129159  Acmispon brachycarpus Jake Ruygt 2015-3-28 6053 Napa Snell Peak, Fernandez, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. 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
  UCD104334  Acmispon parviflorus R. Tofsrud 1951-5-20 s.n. Napa 4 miles W of Oakville. Comment
  UCD149694  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD161252  Acroptilon repens Jake Ruygt 2005-6-25 4926 Napa Knoxville Site, near abandoned orchard on jeep trail. (Coordinates estimated by label maker at UC Davis). 402 Comment
  RSA120809  Adenocaulon bicolor G. D. Barbe 1957-7-4 369 Napa 6.6 mi west of Hwy 29 and Napa on Redwood Rd., 0.6 mi NW of Christian Bros. Mt. LaSalle School. Comment
  CAS-BOT-BC133133  Adenostoma fasciculatum H. E. McMinn 1925-1-23 1366 Napa Summit Wooden Valley Grade Comment
  SEINET3077393 Image available Adenostoma fasciculatum Royal D. Suttkus 1967-6-26 67- 30 -38 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD160723  Adiantum jordanii Ellen Dean 2015-5-23 8775 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. 211 Comment
  CAS-BOT-BC202654  Aesculus californica Severin A. Baumann 1953-7-4 9 Napa 3 mi. from Oakville on highway betw. Boyes Spring and Oakville 121 Comment
  SD33877  Aesculus californica Marion Ownbey, Ruth P. Ownbey 1938-7-9 1701 Napa 6.0 miles northeast of Napa. Comment
  UCD117751  Agoseris grandiflora var. grandiflora Lisa Arimoto; 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
  CAS-BOT-BC29638  Agoseris grandiflora var. grandiflora Will Fottrell 1906-7-1 s.n. Napa Napa Comment
  JEPS36238  Agoseris grandiflora var. grandiflora W. L. Jepson 1936-6-2 17611 Napa east, hills, dry hilltop Yountville Comment
  UCD128604  Agoseris heterophylla Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  JEPS36237  Agoseris heterophylla var. heterophylla W. L. Jepson 1938-5-18 18798 Napa slope above St. Helena Sanitarium; Howell Mts. Comment
  UC114099  Agrimonia gryposepala unknown 1888-1 Napa Howell Mt. Comment
  UC1103391  Agrostis elliottiana Joseph P. Tracy 1933-6-2 12462 Napa head Moore's Creek (Howell Mountain,l 3-4 mi e of Angwin's, La Jota Plateau); Northern Coast Ranges, Howell Mt., Moore's Creek 518 Comment
  CAS-BOT-BC127140  Agrostis exarata Peter H. Raven 1952-5-31 4117 Napa 2.5 miles east of Yountville. 60 Comment
  UCD52327  Agrostis exarata B. Crampton 1955-6-8 2830 Napa Sonoma - Napa County border: along State Hwy. 128, 5 mile northwest of Calistoga. Comment
  POM126100  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  UCD73507  Agrostis pallens Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCR227899  Agrostis pallens Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  HSC8860  Aira caryophyllea C. B. Wolf 1928-5-3 1809 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UCD120873  Aira caryophyllea Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7337 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
  JEPS123026  Aira elegans Jake Ruygt 1982-4-29 1214 Napa Suscol plain east of Kaiser Steel, west of Highway 29 (221). Quad: Napa. Comment
  UC146133  Alisma plantago-aquatica Joseph P. Tracy 1905-7-8 2236 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  HSC42390  Allium amplectens Dale McNeal 1977-5-18 2032 Napa Beside Pope Valley Rd., 6.1mi. N of the junction of Hwy. 128 Comment
  UC1198196  Allium amplectens Joseph P. Tracy 1933-6-2 12473 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  UC1745685  Allium amplectens Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2775 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC230  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena Comment
  JEPS47614  Allium falcifolium Mrs. D. O. Hunt 1909-4-16 Napa Pope Valley Comment
  RSA183471  Allium falcifolium William B. Davis 1960-4-15 27 Napa Pope Valley, 5 miles east of turn-off from lower end of Lake Berryessa. Comment
  UC3081  Allium falcifolium Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Comment
  UCD138525  Allium falcifolium R. L. Smith 1948-5-8 s.n. Napa 6 miles north Aetna Springs, Pope Valley. Comment
  UCD48253  Allium falcifolium Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 30 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 533 Comment
  JEPS81597  Allium falcifolium R. Raiche 1982-3-7 20208 Napa ridge above Detert Reservoir (on Butts Canyon Road) Comment
  SEINET10532707  Allium falcifolium Morrison 1938-4-24 MORRISON 1355 Napa Abundant on serpentine outcrop with pinus sabiniana, quercus durata, ceanothus; .6 Miles w of knoxville on road from monticello to lower lake Comment
  CAS-BOT-BC472783  Allium neapolitanum Alice Ackley 1957-3-30 s.n. Napa 2 miles east of Napa Comment
  UCD48257  Allium serra Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 3 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  CAS-BOT-BC475561  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  POM203718  Allium serra J. T. Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  JEPS122717  Allium triquetrum Jake Ruygt 1984-4-28 1533 Napa 0.2 mile south of end of Redwood Road. Quad: Sonoma. Comment
  RSA123585  Allium unifolium Milo S. Baker 1931-4-19 5421 Napa Along highway in Coun. Valley. Comment
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS69369  Allophyllum divaricatum W. L. Jepson 1893-6-26 15060 Napa Howell Mt., Angwin's Meadows Comment
  UCD169878  Allophyllum gilioides subsp. gilioides Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 718 Napa Knoxville Wildlife Area. 245 Comment
  JEPS123022  Alopecurus pratensis Jake Ruygt 1998-4-18 3910 b Napa Pope Canyon Road north of Hardin Road intersection. Quad: Saint Helena. Comment
  UC912663  Alopecurus saccatus Herbert L. Mason 1931-4-12 5838 Napa ground s. of Napa State Hospital Napa State Hospital Comment
  JEPS104566  Amaranthus albus Jake Ruygt 1978-8-7 391 Napa .3 miles west of Big Ranch Road on Oak Knoll Ave. 22 Comment
  JEPS115736  Amaranthus albus Lowell Ahart 2009-10-12 16468 Napa Along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters 133 Comment
  UCD19922  Amaranthus albus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 777 Napa Quail Ridge Reserve. Decker Canyon, stock pond on south side of canyon, south of old buildings in pine/ oak woodland. 167 Comment
  UCD164868  Amaranthus californicus Jake Ruygt 2012-11-3 5890 Napa Lake Hennessey east of boatramp. 94 Comment
  UCD148569  Amaranthus hybridus Jake Ruygt 2001-10-22 4349 Napa Napa County; Conn Creek at Silverado Trail. 54 Comment
  CAS-BOT-BC45030  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  JEPS104501  Ambrosia psilostachya Jake Ruygt 1978-9-27 422 Napa .15 mi. west of Buhmann Ave. on Henry Rd 48 Comment
  CAS-BOT-BC136739  Amelanchier utahensis Alice Eastwood 1922-5-5 11293 Napa Mt. St. Helena Comment
  CAS-BOT-BC136745  Amelanchier utahensis John Thomas Howell 1940-5-19 15446 Napa Upper St. Helena Creek Comment
  JEPS106983  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s. n. Napa on both sides of Dry Creek Road about 100 yds E of the interection with Wall Road, about five mi W of Oakville (just N of Yountville) Comment
  UC1137510  Amorpha californica var. napensis J. B. Spring 1932-6-27 91 Napa 2 mi e McCormack Ranch; Santa Rosa Quadrangle, Sulphur Spr. Creek 152 Comment
  UCD95911  Amorpha californica var. napensis Ellen Dean; with Clare Loughran 2011-5-20 7050 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. At road intersection on western side of property. 608 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
  CHSC83407  Amsinckia lunaris L. P. Janeway; B. Castro 2002-5-12 7531 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS126130  Amsinckia lycopsoides Jake Ruygt 2010-3-13 5488 z Napa Silverado Trail at Zinfandel Lane. Rutherford 7.5' Qua. Comment
  UCD170158  Amsinckia menziesii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 780 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 445 Comment
  CAS-BOT-BC26969  Amsinckia vestita Alice Eastwood 1922-5-4 11260 Napa Calistoga Comment
  CAS-BOT-BC64139  Ancistrocarphus filagineus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5326 Napa Soda Creek, e. of Chiles Valley 182 Comment
  POM182719  Ancistrocarphus filagineus D. D. Keck 1931-4-3 1068 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UCD69016  Ancistrocarphus filagineus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  CDA40902  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 3 of 3 Comment
  CAS-BOT-BC273161  Anisocarpus madioides Carl B. Wolf 1928-5-3 1807 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD129050  Anthemis cotula Kamala Crompton 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD129076  Anthemis cotula Andreas Stohr 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 120 Comment
  UCSB6339  Anthemis cotula Keator, Glenn 1959-6-22 Napa Near southeast shore of Lake Hennessy, Napa Range Comment
  UCD129077  Anthemis cotula Helen K. Sharsmith 1953-6-15 4189 Napa southeast slope of Cappell Valley just west of junction of Cappell Valley and Monticello roads. Inner north coast ranges. 274 Comment
  UCD56246  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, along Hwy. 53. Comment
  IRVC19774  Anthriscus caucalis Anne E. Justice 1981-4-27 s.n. Napa 10 miles from Winters on Hwy 128, just past Monticello Dam. Comment
  UCD63855  Antirrhinum cornutum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  SD120895  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creekat end of Barnett Road, past vineyards, flanking streamlet 200 Comment
  SBBG83247  Antirrhinum vexillocalyculatum D. M. Thompson 1983-6-15 330 Napa 0.3 mi N of Porter Crk Comment
  JEPS127863  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 201 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. 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
  UCD170460  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Daniel Potter; Ninh Khuu 2016-6-18 889 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 Comment
  JEPS5291  Antirrhinum virga W. C. Blasdale 1916-5-31 Napa Atlas; Napa Range Comment
  UCD33220  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UC914258  Apocynum androsaemifolium Verne Grant and Alva Grant 1946-5-26 7629 Napa s.e. slope of Mt. St. Helena Comment
  UC765745  Aquilegia eximia R. F. Hoover 1938-9-23 3865 Napa canyon of South Fork Butts Creek Comment
  SEINET5721765 Image available Aquilegia eximia Robert A. Christison 1960-1 55 Napa State Hwy 37 ca. 16.3 miles from Napa.; Napa 23 Comment
  JEPS53025  Arabis glabra Willis L. Jepson 1893-4-25 13387 Napa near St. Helena (Bed of Sulphur Springs Creek); Sulphur Springs Creek Comment
  JEPS40072  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  CAS-BOT-BC24162  Arctostaphylos Ira L. Wiggins 1949-4-30 12084 Napa On saddle about 1.5 miles from summit of Mount St. Helena 1066 Comment
  SEINET11984892  Arctostaphylos Unknown 1966-1 680 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  JEPS116549  Arctostaphylos canescens Jake Ruygt 2002-7-13 4442 Napa End of Redwood Road, Archer Taylor Preserve, Tin Cabin Trail. Sonoma 7.5' Quad. Comment
  CAS-BOT-BC23954  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-3-21 1703 Napa Mt. St. Helena along trail to summit Comment
  CAS-BOT-BC23957  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12272 Napa Near summit of Mt. St. Helena Comment
  JEPS116574  Arctostaphylos canescens subsp. canescens Jake Ruygt 1978-3-19 248 Napa Mount Saint Helena. Detert Reservoir 7.5' Quad. Comment
  POM197361  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit Mt. St. Helena. Comment
  RSA10630  Arctostaphylos canescens subsp. canescens C. B. Wolf 1923-5-4 1861 Napa Upper slopes of Mt. St. Helena. Comment
  UC571088  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-3-14 2735 Napa Toll House Canyon Mount St. Helena Comment
  UC674740  Arctostaphylos canescens subsp. canescens W. K. Fisher 1900-9-9 Napa Mt. St. Helena 853 Comment
  UCD73431  Arctostaphylos canescens subsp. canescens 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
Read comments
Sep 10 2013
  JEPS122794  Arctostaphylos glandulosa Jake Ruygt 2008-5-3 5318 Napa Mt. St. Helena along fire trail, south side. QUAD: Detert Reservoir. Comment
  JEPS68363  Arctostaphylos glandulosa subsp. glandulosa L. R. Heckard 1972-6-26 2997 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  UC1120199  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1932-5-16 83 Napa Sarcos Creek Napa Quadrangle Comment
  UC876434  Arctostaphylos manzanita Alice Eastwood and John Thomas Howell 1937-4-4 3830 Napa e Napa; Wooden Valley Grade Comment
  UCD20785  Arctostaphylos manzanita N. Nicola; C. Kremen 2001-2-5 001 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  SEINET11987318  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4179 Napa Strybing Arboretum, Golden Gate Park, San Francisco, orig. from NE of Napa Comment
  RSA7411  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  CAS-BOT-BC24279  Arctostaphylos manzanita subsp. manzanita L. R. Abrams 1916-7-2 5771 Napa Near Saint Helena Sanitarium. Comment
  CAS-BOT-BC38726  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7944 Napa Mt. St. Helena Comment
  CAS-BOT-BC38728  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5357 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38736  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1922-3-26 11114 Napa Mt. St. Helena Comment
  CAS-BOT-BC38738  Arctostaphylos manzanita subsp. manzanita John H. Thomas 1955-5-22 5185 Napa Along St. Helena Road and West Creek, 1.2 miles west of Sonoma - Napa County line, about 6 miles from St. Helena. 457 Comment
  CAS-BOT-BC38769  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC38774  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade 2 miles below hawkins Mountain Camp. Comment
  JEPS122806  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5102 Napa Wild Horse Valley Road about .2 mile from east end. QUAD: Mount George Comment
  JEPS122810  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5108 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. QUAD: Aetna Springs. Comment
  JEPS38705  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1918-6-24 7669 Napa halfway down valley floor to Toll House; Mt. St. Helena Comment
  JEPS79561  Arctostaphylos manzanita subsp. manzanita Edward Lee with Annetta Carter 1935-12-1 1670 Napa s side of road road from Napa to Wooden Valley (on land of F. Gaggero); Howell Mts., Sarco Creek Comment
  POM193979  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-3-23 4558 Napa Near Mt. St. Helena. Comment
  UC1388365  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-8-4 1425 Napa Mt. St. Helena North Coast Ranges 609 Comment
  UCD95921  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7055 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  SEINET8729957 Image available Arctostaphylos montana Lewis S. Rose 1937-1 37018 Napa Wooden Valley Grade, 8 mi. NE. of Napa. 274 Comment
  CAS-BOT-BC43828  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa between Calistoga and Franz Valley Comment
  CAS-BOT-BC43838  Arctostaphylos stanfordiana John Thomas Howell 1930-3-23 4559 Napa About 1 mile se. of Mt. St. Helena Inn. Near Mt. St. Helena. Comment
  CAS-BOT-BC43849  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5768 Napa between Franz Valley & Calistoga Comment
  CAS-BOT-BC43869  Arctostaphylos stanfordiana J. W. Stacey 1922-11-30 s.n. Napa Near Calistoga Comment
  UC127170  Arctostaphylos stanfordiana Harley P. Chandler Sep 7 1906-Sep 14 1906 7118 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC1303138  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa hillside between Calistoga and Franz Valley Comment
  UC205094  Arctostaphylos stanfordiana Katharine Brandegee Napa St. Helena Comment
  UCD37946  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile W of Aetna Springs. Comment
  UCD53853  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17 997 Napa On a cross-rift or rock traverse 1/4 mile below summit; Adam-and-Eve Ridge; Howel Mountain. Comment
  UCD53857  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mile W Aetna Springs. Comment
  RSA92780  Arctostaphylos stanfordiana P. H. Raven 1953-2-21 5190 Napa Wooden Valley Grade. 274 Comment
  RSA15667  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA178671  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1932-3-12 5767 Napa Hillside between Calistoga and Franz Valley. Comment
  RSA181955  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Comment
  CDA11907  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins 1994-4-8 11713 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCR43194  Arctostaphylos viscida L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-BC47454  Arctostaphylos viscida subsp. viscida H. E. McMinn 1922-6-8 198 Napa in Pope Creek Canyon 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
  CAS-BOT-BC400455  Aristolochia californica Mrs. H. C. Cantelow 1936-3-22 1123 Napa Howell Mt. Comment
  RSA92937  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa Hills due E. of Yountville 152 Comment
  CAS-BOT-BC90266  Artemisia douglasiana John Thomas Howell 1929-8-4 4368 Napa One mile below Samuels Springs, Pope Creek [Canon], Napa Range Comment
  JEPS104540  Artemisia douglasiana Jake Ruygt 1987-7-29 2090 Napa Napa River 50 yds. south of Third St.; east bank 2 Comment
  OBI74550  Artemisia douglasiana David J. Keil 1986-11-8 19796 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  UCD121260  Asclepias cordifolia Dan Kurtak 1969-5-3 50 Napa Near Chiles Creek on Pope Valley Road 2 miles south of junction with Lower Chiles Valley Road. Comment
  UCD148097  Asclepias eriocarpa Jake Ruygt 2002-8-24 4451 Napa Calistoga; northwest corner of Mora Lane and Silverado Trail. 124 Comment
  UCD20615  Asclepias eriocarpa E. Dean; with M. Bibbo 2002-7-5 1162 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  CAS-BOT-BC478837  Asparagus officinalis Peter H. Raven 1955-8-27 8759 Napa Cuttings Wharf 3 Comment
  JEPS129152  Asparagus officinalis subsp. officinalis Jake Ruygt 1979-5-23 628 Napa Napa River south of Trancas Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC69616  Aspidotis densa Ira L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake County Line. 853 Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  CAS-BOT-BC140643  Asteraceae John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  CAS-BOT-BC180473  Astragalus breweri John Thomas Howell 1926-3-28 1777 Napa Myrtledale Hot Springs near Calistoga Comment
  UC764693  Astragalus breweri R. F. Hoover 1941-4-26 4920 Napa between Walter Springs and Pope Valley; between Walter Springs and Pope Valley Comment
  HSC103541  Astragalus breweri Thomas W. Nelson, Jane Nelson 1981-4-14 6391 Napa Junction of Morgan Valley and Devil's Head Roads. 457 Comment
  JEPS107258  Astragalus claranus Jake Ruygt 1993-4-10 3188 Napa Lewelling Ranch,south of Sulphur Springs Road., St. Helena 109 Comment
  RSA481899  Astragalus claranus Aaron Liston, James D. Morefield 1988-3-19 706 -1 Napa Northeast side of Lake Hennessey; 4.3 miles ESE of Howell Mountain Road on Conn Valley Road. 100 Comment
  UC1142426  Astragalus clevelandii H. D. Ripley and R. C. Barneby 1945-6-21 6935 Napa 3 mi n Aetna Springs (sandy banks along a stream); n of Aetna Springs 198 Comment
Read comments
Aug 16 2013
  UCD160793  Astragalus clevelandii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8673 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC178292  Astragalus gambelianus John Thomas Howell 1931-4-19 6444 Napa Conn Valley Comment
  JEPS54656  Astragalus gambelianus W. L. Jepson 1924-4-6 10330 Napa Conn Valley Napa Range, Conn Valley (Napa Range, gravelly hillslope) Comment
  UCD75828  Astragalus gambelianus Jake Ruygt 1989-4-8 2249 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  CAS-BOT-BC27754  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  UC1128873  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mi nw Knoxville; Reiff Quadrangle, nw of Knoxville Comment
  CAS-BOT-BC17534  Athysanus pusillus Alice Eastwood 1922-3-25 11102 Napa Calistoga. Comment
  UCD74389  Athysanus pusillus Jake Ruygt 1977-4-3 171 Napa Green Creek east of Lake Berryessa. 259 Comment
  JEPS106814  Atriplex joaquinana Jake Ruygt 1991-9-14 2839 Napa northwest of end of Mini Drive, American Canyon 2 Comment
  JEPS106815  Atriplex joaquinana Jake Ruygt 1991-7-19 2763 Napa south of the end S. Jefferson Street, Napa 1 Comment
  UC850812  Atriplex triangularis Milo S. Baker 1932-9-24 6033 Napa low saline ground at Cutting's Wharf Napa R 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
  UCR197925  Avena fatua Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford Comment
  JEPS21291  Baccharis pilularis W. L. Jepson 1892-10-22 Napa near St. Helena ((Park Hill)); Park Hill Comment
  JEPS40689  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1915-4-23 6247 Napa Conn Valley, Napa Range Comment
  JEPS104572  Balsamorhiza sericea Jake Ruygt 1988-5-29 2189 Napa east tributary of Sensitive Plant Canyon 414 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
  UCD19929  Barbarea orthoceras E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 785 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD48671  Barbarea orthoceras Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd, N of its jct with S. Decker Canyon Rd. at the end of EW bend. 188 Comment
  UCR267445  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve; Hunting Creek between Hunting Creek Campground and contractor road 366 Comment
  JEPS14992  Bellardia trixago B. Schreiber 1936-3-5 2213 Napa 1 mi sw Napa; Napa Quad. Comment
  RSA195297  Bellardia trixago Gilbert Muth 1967-5-17 676 Napa Oat Hill Road, Calistoga. 256 Comment
  CAS-BOT-BC75846  Berberis pinnata L. R. Abrams 1928-5-3 12255 Napa Summit Saint Helena Grade. Comment
  CAS-BOT-BC75848  Berberis pinnata Peter H. Raven 1951-6-10 s.n. Napa Crater Region east of Pinnacels. 762 Comment
  SD1829  Berberis pinnata Brandegee (herb) 1894-4-19 Napa Mount St. Helena? Comment
  JEPS106878  Berberis pinnata subsp. pinnata Jake Ruygt 1982-3-10 1127 Napa north of American Canyon on county line 280 Comment
  JEPS115690  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  UCD75842  Boechera arcuata Jake Ruygt 2003-4-22 4504 Napa about 2 miles north of Mays flat near the top of the Blue Ridge. 731 Comment
  UCD74382  Boechera breweri Jake Ruygt 2006-4-29 5005 Napa Near Palisades Trail, S of Table Rock. Detert Reservoir. 606 Comment
  JEPS106772  Boechera breweri subsp. breweri Jake Ruygt 1988-4-17 2155 Napa Mt. St. Helena below SW peak; upper portion of canyon 1103 Comment
  JEPS110698  Boisduvalia stricta Jake Ruygt 1990-6-11 2592 b Napa City of Napa, Milliken Reservoir watershed property 341 Comment
  POM230569  Boisduvalia stricta J. T. Howell 1937-7-4 13059 Napa Wooden Valley Grade Comment
  UCD81828  Brachypodium distachyon Ellen Dean 2009-4-24 5455 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  CAS-BOT-BC106269  Brickellia californica John Thomas Howell 1927-8-24 3047 Napa Canyon of Pope Valley Creek, Napa Range Comment
  CAS-BOT-BC106271  Brickellia californica H. E. McMinn 1922-8-2 398 Napa Dutch Canyon [Canon] Comment
  JEPS18618  Brickellia californica Edw. L. Greene 1888-8-30 Napa Calistoga Comment
  JEPS18631  Brickellia californica W. L. Jepson 1934-10-19 16905 Napa near the bridge over Napa River between St. Helena (town) and St. Helena Sanitarium St. Helena; Napa River Comment
  UCD20758  Brickellia californica M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 108 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UCD121153  Briza maxima Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7349 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
  UCD118547  Briza minor Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 387 Comment
  UCD36947  Briza minor Beecher Crampton 1956-5-25 3475 Napa Southeastern Capell Valley. Comment
  JEPS121547  Brodiaea elegans subsp. elegans Adam C. Schneider with Dick O'Donnell 2013-5-26 207 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road 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
  JEPS7654  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House; Mount Saint Helena Comment
  UCD160680  Brodiaea elegans subsp. elegans Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8752 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
  JEPS110911  Brodiaea leptandra Jake Ruygt 2003-6-7 4537 Napa Mt. George/Foote Botanical Preserve 268 Comment
  UCD77156  Brodiaea leptandra Robert E. Preston 2002-6-17 1820 Napa Ca. 1.6 mi sw of Pope Valley, along Ink Grade, 0.36 mi n of its jct with Howell Mtn Rd. 518 Comment
  UCD77197  Brodiaea leptandra Robert E. Preston 2004-6-26 2265 Napa Angwin, along Las Posadas Rd, ca. 1.1 mi from Howell Mountain Rd 512 Comment
  CAS-BOT-BC486435  Brodiaea terrestris subsp. terrestris Peter H. Raven 1950-5-6 2023 Napa Sulpher flats and hot springs near Old Faithful Geyser midway between Rt. 28 and Rt. 29 about 2 miles N. of Calistoga. 182 Comment
  SBBG118107  Bromus C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  UCD73503  Bromus arenarius Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD36943  Bromus carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  CAS-BOT-BC155844  Bromus catharticus var. elatus David L. Morgan 1960-6-30 s.n. Napa On Vidal near H Street. Comment
  UCD58447  Bromus commutatus Beecher Crampton 1962-5-16 6425 Napa 1 mile E of Aetna Springs. Comment
  CAS-BOT-BC155071  Bromus hordeaceus Peter H. Raven 1953-5-2 5358 Napa Yountville. Along railroad tracks. 76 Comment
  CAS-BOT-BC155073  Bromus hordeaceus Ira L. Wiggins 1928-3-25 2871 Napa Roadside 1.5 mile northeast of Calistoga. Comment
  HSC26182  Bromus hordeaceus J. P. Smith, J. O. Sawyer 1970-5-17 3777 Napa 3 mi. S of Pope Valley Comment
  SACT000640  Bromus madritensis John Willoughby 1977-4-20 Napa Below and just to the south of Mount Vaca, chaparral 609.6 Comment
  CAS-BOT-BC161828  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa. Cemetary. Comment
  UCD17981  Bromus rubens Ellen Dean; with Plant Biology 102 class 2001-4-14 707 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along North Decker Canyon Trail, N of trail. 182 Comment
  CAS-BOT-BC161529  Bromus tectorum Peter H. Raven 1953-5-2 5389 Napa Hills due east of Yountville. 243 Comment
  UCD118546  Calamagrostis ophitidis Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, downslope and 30 meters south of undeveloped road. 391 Comment
  UCD57541  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa north end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UCD57744  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  CAS-BOT-BC233997  Calandrinia breweri John Thomas Howell 1931-4-2 6060 Napa Wooden Valley Grade 5 miles east of Napa Comment
  UCD18034  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 585 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD48082  Calandrinia breweri M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 1 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS85054  Calandrinia ciliata Larry Heckard and Mary Ashton 1969-5-3 2198 Napa ca 7 mi ne Napa (off the Atlas Peak Rd.); Mead Ranch 457 Comment
  UCD100264  Calandrinia ciliata R. L. Smith 1948-5-1 s.n. Napa Monticello. Comment
  UCR12023  Calandrinia ciliata var. menziesii Coleta A. Lawler 1964-3-24 08 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  CAS-BOT-BC273232  Calendula arvensis Peter H. Raven 1951-6-24 3014 Napa Brown's Valley 91 Comment
  JEPS120388  Callitriche marginata Jake Ruygt 1996-5-19 3710 Napa West of Barnett Road near Burton Creek, (Peju Pr) Pope Valley Comment
  CAS-BOT-BC85796  Calocedrus decurrens Carl B. Wolf 1928-2-25 1508 Napa 3 miles north of summit of Mt. St. Helena Grade Comment
  UC1300907  Calochortus amabilis Helen K. Sharsmith 1963-4-20 5344 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD139478  Calochortus amabilis H. Popenoe 1949-5-1 19 Napa one mile from Pope Valley on road to St. Helena. Comment
  UCD160636  Calochortus amabilis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8728 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UCD48264  Calochortus amabilis K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 1 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., east side of rd. 531 Comment
  UCD67455  Calochortus amabilis D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 Comment
  CAS-BOT-BC488484  Calochortus amabilis David D. Keck 1933-5-28 2330 Napa Howell Mountian, north side, 1 mile above Pope Valley, P.O. Comment
  CAS-BOT-BC488495  Calochortus amabilis John Thomas Howell 1931-4-2 6076 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  RSA52662  Calochortus amabilis I. L. Wiggins 1949-4-30 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  UC917115  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa n side Putah Canyon Comment
  JEPS128392  Calochortus luteus Adam C. Schneider with Dick O'Donnell 2013-5-28 244 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Berryessa Knoxville Road. Comment
  UC1537213  Calochortus luteus Gordon H. True Jr. 1938-6-21 739 Napa near Lokoya 365 Comment
  UCD73515  Calochortus luteus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  SEINET8197377  Calochortus luteus W. Roderick 1967-5-20 s.n. Napa Snell Valley. 457 Comment
  UC1300908  Calochortus luteus Helen K. Sharsmith 1962-6-3 5109 Napa Napa-Soda Springs road San Francisco Bay Region 152 Comment
  RSA152416  Calochortus splendens Rimo C. Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4507 Napa Above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir). Comment
  UCD166650  Calochortus splendens Jake Ruygt 1989-5-20 2333 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 441 Comment
  POM169458  Calochortus uniflorus C. F. Baker 1903-4-19 1979 Napa Calistoga. Comment
  UC1112208  Calochortus uniflorus Peter H. Raven 1957-5-5 10736 Napa Calistoga, field near the hot springs at the airport Calistoga Comment
  JEPS122766  Calochortus venustus Jake Ruygt 1999-7-3 4197 Napa Newell Canyon. Quad: Cordelia. Comment
Read comments
Dec 13 2016
  UC1876218  Calycadenia fremontii Gerald D. Carr 1971-9-20 666 Napa 4.2 mi N of Spanish Flat on Knoxville-Berryessa Rd. 152 Comment
  UC1876231  Calycadenia fremontii Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Rd., 1.3 mi N of Hwy 128. Comment
  CAS-BOT-BC270614  Calycadenia multiglandulosa David D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  UC935693  Calycadenia multiglandulosa D. D. Keck 1933-7-1 2467 Napa 2 mi SW of Pacific Union College Howell Mountain Comment
  CAS-BOT-BC270822  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake County line on Morgan Valley Road, 125 yards N of road Comment
  CAS-BOT-BC270831  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles S of Snell Valley Road Comment
  JEPS38531  Calycadenia pauciflora W. L. Jepson 1938-10-1 19059 Napa bridge over Putah Creek Coyote Valley Comment
  RSA255521  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road 183 Comment
  RSA255582  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 miles NW of Knoxville on Morgan Valley Road 457 Comment
  RSA255600  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road 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
  UCD129871  Calycadenia pauciflora G. F. Hrusa 1988-9-4 5705 Napa Butts Creek, near Lake-Napa County lines. Comment
  UCD129902  Calycadenia pauciflora Gerald D. Carr 1971-9-20 665 Napa 0.8 mile southeast of Berryessa-Knoxville Road on Hwy 128. 213 Comment
  JEPS20244  Calycadenia truncata Willis L. Jepson 1893-9-22 Napa La Lomita Napa River Basin Comment
  UC668209  Calycadenia truncata Joseph P. Tracy 1938-8-7 16090 Napa 5 mi n of Napa City; Soda Creek Canyon 91 Comment
  UCD33684  Calycadenia truncata Beecher Crampton 1971-10-26 8766 Napa 4.7 miles east of Conn Reservoir Dam on State Hwy. 128. Comment
  CAS-BOT-BC271571  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271573  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271569  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa St. Helena, base of hills east of town Comment
  JEPS40314  Calycanthus occidentalis W. L. Jepson 1936-5-29 17547 Napa Adam-and-Eve Ridge Howell Mt. (at the cave, Howell Mt.) Comment
  RSA456153  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  SBBG2303  Calycanthus occidentalis H. E. Cott 1949-5-22 A- 127 Napa St Hwy 37, ca. 15 mi N of Napa Comment
  UCD67989  Calycanthus occidentalis Becky Wilson 1973-5-31 92 Napa Along Road 121. In an oak woodland plant association, near a stream. Flower, orange-red. Comment
  UCR74386  Calycanthus occidentalis G. Fred Hrusa 1988-5-12 5601 Napa North Coast Range, Pope Creek, c. 2 mi east of jct of Pope Valley Rd. and Chiles Valley Rd. 244 Comment
  CAS-BOT-BC221552  Calystegia collina subsp. collina R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6682 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. 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
  JEPS120397  Calystegia occidentalis Jake Ruygt 1985-5-18 1597 Napa Foss Valley Comment
  UCD126140  Calystegia occidentalis M. Ensign 1943-5-28 315 Napa About 12 miles from Monticello on road to Lower Lake. Comment
  SBBG5771  Calystegia purpurata H. and M. Dearing 1939-5-3 3269 Napa Rutherford-Sage Cyn Rd Comment
  UC879413  Calystegia purpurata M. Focht and R. Scott 1940-1-1 9590 Napa near cliff seven mi from Monticello (Pope Creek); North Bay Counties, , 7 mi from Monticello Comment
  JEPS126128  Calystegia purpurata subsp. purpurata Jake Ruygt 2007-11-10 5258 Napa East side of California Blvd., about 0.1 mi. south of Trancas Street, Napa. Napa 7.5' Qua. Comment
  UCD161221  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1981-5-13 1023 Napa American Canyon, 0.3 miles east of Flosden Road. (Note from label maker: the township/range data provided with this record does not agree with the location. Record was georeferenced according to location data) 164 Comment
  CAS-BOT-BC493391  Camassia quamash subsp. linearis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC924274  Camissoniopsis hirtella H. S. Reed 1940-3-23 325 Napa ridge w Oakville 152 Comment
  SEINET10463222  Campanula prenanthoides Grummer 1979-6-21 GRUMMER 1250 Napa Near Bothe Napa VAlley State park, on the Calistoga Quadrangle, close to the town of Claistoga 305 Comment
  CAS-BOT-BC37118  Capsella bursa-pastoris Elsa G. Ruckert 1960-2-20 3 Napa 6495 Dry Creek Road. Southwest of house. 365 Comment
  CAS-BOT-BC37120  Capsella bursa-pastoris Gilbert Muth 1967-4-28 651 Napa Above reservoir, Spring Hill Road, St. Helena. Comment
  CAS-BOT-BC37583  Cardamine californica John H. Thomas 1955-5-21 5154 Napa Along State Highway number 128, about 4.5 miles south of Monticello. 167 Comment
  CHSC31984  Cardamine californica L. Ahart 1976-3-7 1026 Napa Along edge of creek ca. 2 mi sw of Monticellow Dam. 152 Comment
  UCD74395  Cardamine californica Jake Ruygt 2000-3-18 4220 Napa Pope Valley; Butts Canyon Rd. south of Aetna Springs Rd. 211 Comment
  UCD18023  Cardamine hirsuta Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 569 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
  RSA633345  Cardamine hirsuta Michael A. Vincent, Ethan H. Freid 1998-4-7 8168 Napa Along Rt. 128 at road marker 24/80 Comment
  CAS-BOT-BC37857  Cardamine oligosperma Peter H. Raven 1954-2-22 6397 Napa Saint Helena. 60 Comment
  JEPS106779  Cardaria draba Jake Ruygt 1981-5-3 1009 Napa American Canyon east of Flosden Rd. 42 Comment
  UCD48566  Carduus pycnocephalus S. Murphy; K. Keck and K. Dyer 2002-5-5 4 Napa Quail Ridge UC Reserve, northern tip of ridge, 1.5 m from N edge of stock pond. 328 Comment
  UCD159927  Carduus pycnocephalus subsp. pycnocephalus 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
  UCD83856  Carex barbarae Ellen Dean; Kate Mawdsley 2010-4-30 5944 c Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. Riparian woodland along Fagan Creek, paralleling Kirkland Ranch Rd. 68 Comment
  UCD161684  Carex bolanderi Jake Ruygt 2008-6-22 5352 Napa Aetna Mine Road at James Creek. 307 Comment
  CAS-BOT-BC35071  Carex densa Peter H. Raven 1951-6-21 3074 Napa Wooden Valley Grade. 304 Comment
  UC50829  Carex densa J. P. Tracy 1902-5-26 1637 Napa near Calistoga; Napa Valley 91 Comment
  UCD140275  Carex densa L. S. Rose 1935-6-4 s.n. Napa Mt. Helena. Comment
  UCD161704  Carex densa Jake Ruygt 2010-6-5 5596 Napa Moskowite Corner, Highway 128 and 121. 252 Comment
  UCD161751  Carex densa Jake Ruygt 1996-3-30 3540 -b Napa Jameson Vineyards, South Kelly Road. 60 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
  UC1023488  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa e Napa; Sarco Creek 60 Comment
  CAS-BOT-BC28415  Carex gracilior Peter H. Raven 1950-5-6 2019 Napa Near Rt. 29 in Old Faithful Geyser road 2 mi N of Calistoga. 182 Comment
  JEPS121345  Carex multicaulis Jake Ruygt 1979-4-14 512 Napa Aetna Mine Road Comment
  CAS-BOT-BC119512  Carex nudata Ella D. Cantelow 1939-4-8 2501 Napa 3.5 mi NW of Knoxville. Comment
  CDA13209  Carex nudata G. F. Hrusa, M. J. Geitner 1996-4-2 12823 Napa North Coast Biodiversity Arena; MonteSol Ranch, +/- 10 mi. S of Middletown (Lake Co.). Monte Sol Creek. Comment
  SEINET10711635  Carex nudata Wilhelm N. Suksdorf 1913-7-28 Suksdorf 713 Napa In shade near the water of the Napa River. Comment
  UCD140700  Carex obnupta P. B. Kaufman 1950-4-28 35 Napa adjacent to U.S. Highway 99W bridge, 3.9 miles northwest of Davis. Comment
  CAS-BOT-BC117621  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Hwy 128, above Capell Creek, N end of Capell Valley. Comment
  UCD170187  Carex serratodens Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 770 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 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
  UC577191  Carex subfusca Lewis S. Rose 1935-6-4 35206 Napa e slope Mt. St. Helena Comment
  UCD161585  Carex tumulicola Jake Ruygt 2008-4-18 5293 Napa Quintessa Vineyards, NW of intersection Silverado Trail and Rutherford Cross Road. (Coordinates converted from UTM data by label maker.) 115 Comment
  UCD35855  Carthamus lanatus Beecher Crampton 1965-5-13 7336 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  SEINET13331028 Image available Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa Scattered patches in dry pasture F.J. Tamangi property, W. of Silverado Trail, 0.5 mi. N. of Larkmead Lane, 2 mi. SE of Calistoga Comment
  POM15999  Castilleja affinis R. H. Platt 1898-4-3 s.n. Napa Vacaville. Comment
  UC103530  Castilleja affinis subsp. affinis Mrs. Goetsche 1901-5-1 Napa Angwin 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
  JEPS85281  Castilleja affinis subsp. affinis L. R. Heckard, R. Bacigalupi, P. C. Silva 1962-4-16 1301 a Napa 1 mi s Calif. Hwy. 37 junction with road to Wooden Valley (along Calif Hwy 37); Howell Mts. 304 Comment
  JEPS88824  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-6-23 7833 Napa 1.3 mi sw Highway 121 junction with Wooden Valley Road (on Highway 121) Comment
  RSA195298  Castilleja applegatei subsp. martinii Gilbert Muth 1967-5-17 680 Napa Oat Hill Road, Calistoga. 671 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
  JEPS5188  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4128 Napa Along State Highway No.29 from Calistoga to Middletown, 1.6 miles below (south of) road summit. Comment
  SEINET13732897  Castilleja applegatei subsp. pinetorum R. R. Halse 2013-3-27 8753 Napa S end of Lake Berryessa, along State Hwy 128, ca 8.7 miles W of Winters, just W of Monticello Dam. 143 Comment
  JEPS110667  Castilleja attenuata Jake Ruygt 1977-5-1 207 Napa east of east end Westgate Dr., Silverado Country Club 198 Comment
  JEPS129163  Castilleja attenuata Jake Ruygt 2015-3-28 6060 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  UCD148821  Castilleja attenuata Ellen Dean; Diana Hickson 2014-4-29 8126 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD122424  Castilleja exserta C. G. Baughn 1949-4-24 15 Napa Beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  CDA11898  Castilleja foliolosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11722 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  HSC81972  Castilleja foliolosa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5151 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  JEPS86591  Castilleja minor subsp. spiralis L. R. Heckard with Jake Ruygt 1987-5-10 6659 Napa ca 0.25 mi ne Quarry (ne of Vallejo); American Canyon Ridge Comment
  UC190969  Castilleja minor subsp. spiralis Katharine Brandegee 1910-8-26 Napa Aetna Springs Comment
  SEINET7075541  Castilleja rubicundula A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  JEPS10645  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1887 Napa Comment
  JEPS11155  Castilleja rubicundula subsp. rubicundula W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge; ne Napa County 609 Comment
  CAS-BOT-BC83849  Ceanothus confusus D. O. Burge 2008-6-1 1006 c Napa Mount Saint Helena, eastern slopw of SE-most peak 1000 Comment
  SBBG122272  Ceanothus confusus D. O. Burge 2008-6-1 1006 b Napa summit access rd, E slope of SE-most peak, Mount Saint Helena; Robert Louis Stevenson State Park 1000 Comment
  RSA41954  Ceanothus cuneatus H. C. Cantelow 1936-3-22 1139 Napa Howell Mt. Comment
  SACT002917  Ceanothus cuneatus John Willoughby 1976-6-4 Napa Collected near top of Mount Vaca, in chaparral. Young individual which germintaed following fire that occured here. Leaves toothed. Comment
  UCD111789  Ceanothus cuneatus D. S. Totah 1948-3-18 8 Napa Putah Canyon. Comment
  UCD21545  Ceanothus cuneatus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, next to Hunting Creek, next to the Hunting Creek Campground parking lot. 335 Comment
  JEPS42189  Ceanothus cuneatus var. cuneatus W. L. Jepson 1904-6-3 2447 Napa Howell Mt. Comment
  JEPS82369  Ceanothus cuneatus var. cuneatus W. L. Jepson 1937-4-10 18002 Napa Bell Canyon Howell Mt. Comment
  CAS-BOT-BC49787  Ceanothus divergens John Thomas Howell 1941-4-5 16166 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49794  Ceanothus divergens Carl B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  CAS-BOT-BC49797  Ceanothus divergens John Thomas Howell 1941-4-5 16161 Napa Franz Valley Comment
  CAS-BOT-BC64432  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64435  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64443  Ceanothus divergens Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa Canyon. Comment
  POM90823  Ceanothus divergens C. C. Parry 1881-1 s.n. Napa Calistoga. Comment
  JEPS42390  Ceanothus foliosus W. L. Jepson 1894-10-14 14020 a Napa near Calistoga (Rebecca Ranch grade) Comment
  UC1070630  Ceanothus foliosus A. Lewis 1932-5-13 72 Napa Dry Creek Napa quad. 213 Comment
  UC18323  Ceanothus foliosus Edw. L. Greene 1892-4-23 Napa Mt. St. Helena Comment
  UCD112130  Ceanothus foliosus M. Wiesendanger 1927-5-4 697 Napa Monticello Road. Comment
  CAS-BOT-BC50876  Ceanothus foliosus var. foliosus H. E. McMinn 1922-6-8 175 Napa Howell Mt. Comment
  CAS-BOT-BC50878  Ceanothus foliosus var. foliosus Ella Dales Cantelow 1939-4-8 2524 Napa 4 1/2 mi. s.w. of Pac Union College, Howell Mt. Comment
  CAS-BOT-BC50880  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-6 4702 Napa Mt. St. Helena Comment
  CAS-BOT-BC50914  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  CAS-BOT-BC50917  Ceanothus foliosus var. foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi. sw. of Angwin 243 Comment
  CAS-BOT-BC50921  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12260 Napa Mt. St. Helena trail Comment
  UCD164751  Ceanothus foliosus var. foliosus Jake Ruygt 2014-6-7 5974 Napa Livermore Ranch, Montesol. 838 Comment
  UCD112165  Ceanothus incanus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC50789  Ceanothus integerrimus H. E. McMinn 1922-1-1 388 Napa Between Aetna Springs and Middletown Comment
  UCD112497  Ceanothus integerrimus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  UCD170257  Ceanothus integerrimus D. O. Burge 2016-10-22 2181 Napa Roadside on Butts Canyon Road. 300 Comment
  UCD170258  Ceanothus integerrimus D. O. Burge 2016-10-22 2182 Napa Roadside on Butts Canyon Road. 210 Comment
  UCD169648  Ceanothus integerrimus Jake Ruygt 2014-5-6 5933 Napa Pope Creek about 1.4 mile east of Walter Springs bridge. 170 Comment
  CAS-BOT-BC50631  Ceanothus jepsonii H. E. McMinn 1922-8-2 298 Napa Upper Pope Valley along old RR bed Comment
  RSA399003  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Near Napa 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
  UCD118607  Ceanothus jepsonii William Goss; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 407 Comment
  UCD160572  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, west of Putah Creek. Comment
  UCD170817  Ceanothus jepsonii 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-BC51129  Ceanothus jepsonii var. albiflorus Mrs. Cornelia S. Masters s.n. Napa mountains of Napa Co. Comment
  UC1070780  Ceanothus jepsonii var. albiflorus A. Lewis May 1932 105 Napa Head Sarco Creek 396 Comment
  UCD19331  Ceanothus oliganthus M. A. Bibbo; E. Dean 2001-7-6 23 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. 0.2 air miles from jct of W and E roads. 312 Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  JEPS42216  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-25 14005 Napa w St. Helena (Caux's Knob) Comment
  CAS-BOT-BC53177  Ceanothus parryi C. Hart Merriam 1915-6-19 s.n. Napa Ridge west of Napa (between Napa and Sonoma, above Sequoia Resort) Comment
  CAS-BOT-BC53214  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House & Mt. St. Helena Comment
  CAS-BOT-BC53221  Ceanothus parryi Alice Eastwood 1915-6-5 4651 Napa Calistoga 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
  LA43650  Ceanothus parryi Joseph Andorfer Ewan; 1937-5-23 10329 Napa Mt. St. Helena, Mt. St. Helena summit trail, near Stevenson Tablet Comment
  RSA182686  Ceanothus parryi D. D. Keck 1931-4-2 10112 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd Comment
  UC1071246  Ceanothus parryi A. E. Wieslander 1934-2-24 366 Napa Spring Mountain Calistoga Quadrangle Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  UC79860  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC80041  Ceanothus parryi Katharine Brandegee June 1889 21 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCD112501  Ceanothus parryi Ray Prag 1970-6-9 s.n. Napa Highway 121, 2.2 miles south of junction with Wooden Valley Road. Comment
  CAS-BOT-BC52186  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52188  Ceanothus purpureus H. E. McMinn 1925-1-23 1367 a Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52198  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  CDA11160  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11572 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
Read comments
Jul 28 2008
  JEPS110729  Ceanothus purpureus Jake Ruygt 1977-3-7 147 Napa east of east end of Westgate Dr., Silverado 274 Comment
  RSA19031  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  RSA293486  Ceanothus purpureus C. W. Tilforth, J. Dourley 1979-7-22 1853 Napa Along Wooden Valley Road, NE of Napa Comment
  RSA40278  Ceanothus purpureus L. S. Rose 1948-3-8 s.n. Napa Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  RSA758696  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 905 c Napa Atlas Road, at roadside 5.7 road miles north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 degrees true north-northeast of Napa. 410 Comment
  UCD82601  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5539 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  SBBG50595  Ceanothus sonomensis I. Onwueme 1966-4-28 20 Napa ca. 2 mi E of Pope Valley 213 Comment
  SEINET265705  Ceanothus tomentosus Royal D. Suttkus 1967-6-26 67- 30 -12 Napa Clearly Reserves 7.2 miles northwest of Pope Valley. Comment
  JEPS44135  Centaurea calcitrapa W. L. Jepson 1893-1 Napa Oak Knoll Napa Valley, Oak Knoll Comment
  UCD159905  Centaurea solstitialis Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. G. 59 in disturbed southwest corner. 243 Comment
  JEPS106533  Centaurium muehlenbergii Jake Ruygt 1992-7-14 3092 Napa Yountville Ecological Reserve,Yountville Cross Rd., Napa River 27 Comment
  UC22707  Centaurium trichanthum H. N. Bolander 1863-9-20 2652 Napa Pope Valley Comment
  UC73535  Centaurium venustum Miss M. Alice King Napa St. Helena Comment
  UCD160770  Centromadia fitchii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8640 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  CAS-BOT-BC272825  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  CAS-BOT-BC272830  Centromadia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa At Calistoga Comment
  UC990568  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
Read comments
Aug 31 2011
  JEPS88730  Centromadia parryi subsp. parryi Edward Lee Greene 1881-6-1 Napa Calistoga Comment
  CAS-BOT-BC279254  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 miles north of Vallejo Comment
  JEPS112623  Centunculus minimus Jake Ruygt 1986-5-24 1782 Napa Pope Canyon Rd. at large vernal pool 187 Comment
  CAS-BOT-BC179384  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 miles SE of Monticello, Putah Creek Canyon. Comment
  POM247250  Cercis occidentalis E. K. Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville road Comment
  UC1540472  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
  SEINET6331974  Cercocarpus betuloides R. R. Halse 2013-3-27 8754 Napa Along State Hwy. 128 about 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 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
  CAS-BOT-BC135489  Cercocarpus betuloides var. betuloides Mrs. Elizabeth Wright 1920-2-22 s.n. Napa Calistoga Comment
  JEPS45534  Cercocarpus betuloides var. betuloides W. L. Jepson 1915-12-6 6583 Napa Howell Mountain Comment
  SBBG2897  Cercocarpus betuloides var. betuloides J. M. Tucker 1941-9-20 401 Napa between Monticello and Pope Valley Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena Comment
  CAS-BOT-BC284572  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-6 2823 Napa Burn below Conn Dam 274 Comment
  HSC43957  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-19 688 Napa Along drainage running NE from Adams Creek. Comment
  JEPS106931  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1980-4-22 856 Napa .7 miles northwest of Knoxville Rd. on Berryessa-Knoxville R 457 Comment
  UC699713  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1894-5-1 Napa ridges above Napa Valley (Conn Valley) Napa Valley (Conn Valley); above Napa Valley (Conn Valley) Comment
  JEPS2526  Chaenactis glabriuscula var. heterocarpha Willis L. Jepson 1894-5-1 Napa opposite mouth of Conn Valley; Napa River Basin; opposite mouth of Conn Valley Comment
  JEPS106429  Chamaesyce nutans Jake Ruygt 1979-8-6 789 Napa .3 miles south of Oak Knoll Ave. on Solano Ave. 30 Comment
  JEPS106426  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1991-6-29 2761 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 115 Comment
  SBBG128691  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 -A Napa below high water line of Lake Berryessa, along Capell Crk NE of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  JEPS59712  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa Napa River Comment
  UCD148776  Chenopodium berlandieri Jake Ruygt 2006-7-22 5076 Napa Rutherford. Napa River north of Zinfandel Lane. 56 Comment
  UCD161734  Chenopodium berlandieri Jake Ruygt 2006-7-28 5082 Napa south of Airport Road. 13 Comment
  UCD148777  Chenopodium californicum Jake Ruygt 2005-2-12 4695 Napa Napa County; Berryessa Knoxville Road at south entry into Knoxville Wildlife Area. 234 Comment
  UCD148778  Chenopodium vulvaria Jake Ruygt 2005-10-8 4953 Napa Napa County; Long Canyon at Berryessa Knoxville Rd. 310 Comment
  CAS-BOT-BC498812  Chlorogalum pomeridianum Peter H. Raven 1952-5-31 4122 Napa Hills s.w. of Rector Canyon 152 Comment
  JEPS50853  Chlorogalum pomeridianum var. pomeridianum H-M. Beard, W. Roderick Jun 21 1966-Jul 14 1967 60 .1332 Napa 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
  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-BC252842  Chorizanthe polygonoides var. polygonoides John Thomas Howell 1933-6-4 11392 Napa Hills east of Napa 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
  UCD127359  Cicuta douglasii Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  OBI57137  Cirsium cymosum var. cymosum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24516 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  OBI76875  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  CDA1306  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -C Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  JEPS59276  Cirsium occidentale var. venustum W. L. Jepson 1923-4-29 9890 Napa St. Helena Comment
  JEPS59313  Cirsium occidentale var. venustum W. L. Jepson 1936-7-6 17650 Napa Sage Canyon Napa Range, Sage Canyon Comment
  CAS-BOT-BC286575  Cirsium occidentale var. venustum John Thomas Howell 1930-7-13 5343 Napa 5 miles below the old Toll House, Mt. St. Helena Comment
  JEPS59207  Cirsium occidentale var. venustum Willis L. Jepson 1901-8-6 1732 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  RSA31218  Cirsium occidentale var. venustum Joseph A. Ewan 1934-4-30 8847 Napa 5 miles south of Monticello on Steel Canyon Road. Comment
  UC30821  Cirsium quercetorum Willis L. Jepson 1893-6-24 Napa near Napa; Napa River Basin Comment
  UC469085  Cirsium remotifolium var. odontolepis H. P. Chandler 1907-5-30 7601 Napa St. Helena White Sulphur Spr., St. Helena Comment
  UCD143081  Cirsium vulgare Mark Bibbo 2002-7-28 79 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  CAS-BOT-BC169770  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower lake Road Comment
  UCD49186  Clarkia affinis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 14 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 feet NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  CAS-BOT-BC160918  Clarkia amoena subsp. amoena E. Ruckert 1960-4-29 131 Napa 6495 Dry Creek Road 396 Comment
  JEPS43635  Clarkia amoena subsp. huntiana Willis L. Jepson Aug 1892 14349 Napa Napa Valley Comment
  UCD69065  Clarkia arcuata P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lower Chiles Valley Road. 240 Comment
  UCR260821  Clarkia arcuata M. Kauffman 1997-5-28 24 Napa North Coast Range, 0.3 mi. west of Berryessa-Knoxville Rd. on 128, 5.2 miles west of 121 & 128 junction, mile marker 18.71 on 128 366 Comment
  CAS-BOT-BC172175  Clarkia concinna John H. Thomas 1955-5-21 5148 Napa Along State Highway No. 128, about 4.5 miles south of Monticello 167 Comment
  UCD104414  Clarkia concinna J. Buck 1996-6-2 21 Napa 5 miles SE of Calistoga along Highway 128. 97 Comment
  UCD18488  Clarkia concinna P. J. Plummer 1995-5-29 s.n. Napa Hwy 128 and Berryessa Knoxville Rd. 170 Comment
  UCD104547  Clarkia gracilis R. C. Herner 1965-5-8 24 Napa State Highway 128, 8 miles W of Monticello Dam. Comment
  UC762847  Clarkia gracilis subsp. albicaulis R. F. Hoover 1938-6-8 3538 Napa South Fork of Butts Creek Butts Creek Comment
  CAS-BOT-BC164630  Clarkia gracilis subsp. gracilis Carl B. Wolf 1928-5-3 1784 Napa 2 miles south of Hawkins Mount Inn Camp 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
  UC1586100  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  UCD164689  Clarkia gracilis subsp. tracyi L. P. Thibault 1995-6-2 61 Napa West side of Lower Chiles Valley Road. 0.25 miles northwest of Highway 128. 300 Comment
  UCD167272  Clarkia gracilis subsp. tracyi Jake Ruygt 2007-6-21 5225 Napa Las Posadas State Forest, between Moore Creek and Uncle John Creek. 353 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
  CAS-BOT-BC163829  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4643 Napa Calistoga Comment
  UCD48059  Clarkia purpurea subsp. quadrivulnera M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 8 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  CAS-BOT-BC163827  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1933-6-4 11387 Napa Hills east of Napa Comment
  JEPS43712  Clarkia rhomboidea Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  CAS-BOT-BC165608  Clarkia unguiculata John Thomas Howell 1929-5-30 4268 Napa Pope Valley Creek near Samuels Springs, Napa Range Comment
  JEPS110691  Clarkia unguiculata Jake Ruygt 1989-5-7 2302 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD105088  Clarkia unguiculata L. P. Thibault 1995-5-19 38 Napa Northside of Highway 128, N of Lake Solano, approx. 2-3 miles E of Monticello Dam. 125 Comment
  JEPS43313  Claytonia exigua subsp. exigua Willis L. Jepson 1893-4-29 Napa St. Helena Reservoir; Napa River Basin Comment
  JEPS43324  Claytonia gypsophiloides W. L. Jepson 1910-3-28 4020 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  JEPS48651  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi from St. Helena Inn Comment
  POM164077  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena. Comment
  UC7856  Claytonia gypsophiloides Willis L. Jepson 1894-5-1 Napa Upper Napa Valley; Napa River Basin Comment
  CHSC25144  Claytonia parviflora subsp. parviflora J. E. Beitler 1970-4-12 17 Napa Found at bottom of N.E. rail support below bridge over dam of Lower Spring Mountain reservoir. Comment
  JEPS112611  Claytonia parviflora subsp. parviflora Jake Ruygt 1989-4-8 2253 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCR212302  Claytonia parviflora subsp. parviflora 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
  UCD14400  Claytonia parviflora subsp. parviflora Todd Jones 1983-5-29 13 Napa Highway 128, 4.9 mi. north of Moscowite Corner, 15.6 mi. beyond Monticello Dam Comment
  UCD15055  Claytonia perfoliata Craig Homan 1977-4-8 5 Napa California, Napa Co.; along Highway 128, 17 miles southwest of Winters; Comment
  CAS-BOT-BC439941  Claytonia perfoliata subsp. mexicana Peter H. Raven 1954-2-22 6405 Napa Orchard at west end of Saint Helena 60 Comment
  CAS-BOT-BC439943  Claytonia perfoliata subsp. mexicana Gilbert Muth 1967-4-28 650 Napa Spring Mountain Road, St. Helene [Helena] Comment
  UC9066  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's ?> Cabin Napa R. Basin Comment
  JEPS60568  Clematis ligusticifolia W. L. Jepson 1936-7-6 17651 Napa Napa Range, Sage Canyon Comment
  CAS-BOT-BC474510  Collinsia heterophylla Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8672 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. Along Nevada Creek. 470 Comment
  JEPS7321  Collinsia heterophylla Rachel Wilcox 1944-5-9 Napa Conn Valley Comment
  UCD18158  Collinsia heterophylla Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD49262  Collinsia heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd.,W side of creek. 167 Comment
  UCD123581  Collinsia heterophylla Alan P. Godlewski 1974-5-3 17 Napa west of Lake Berryessa, 100 yards from Highway 128. Comment
  RSA734135  Collinsia sparsiflora Keith E. Hoffmaster 1946-3-23 1244 Napa Napa range, along Napa-Monticello road. 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
  UCD20025  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1213 Napa 1 mile west of junction of Route 128 and Pope Valley Road, on south side of Lake Hennessy. Comment
  CDA11334  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12044 Napa North Coast Biodiversity Arena; Above Highway 128. Comment
  JEPS77940  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3/4 mi from Rutherford (along Rutherford-Pope Valley rd) Comment
  SFV8689  Collinsia sparsiflora var. arvensis S. Logan 1965-3-19 1 Napa Dollarhide Road about 3 miles east of Pope Valley. Comment
  UC608238  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 Comment
  RSA10659  Collinsia sparsiflora var. arvensis Carl B. Wolf 1928-5-3 1830 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  JEPS112529  Collinsia sparsiflora var. collina Jake Ruygt 1982-5-16 1268 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 420 Comment
  CDA12026  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1990-3-19 7502 Napa North Coast Biodiversity Arena; Hwy 128 immediately E of Lake Berryessa. Comment
  SEINET4208221  Collinsia sparsiflora var. sparsiflora Richard R. Halse 2013-3-27 8756 Napa Along State Hwy. 128 ca 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners.; 0 239 Comment
  UCD116974  Collinsia sparsiflora var. sparsiflora Jillian Howard; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just NE of fire station along dirt road. 519 Comment
  JEPS26345  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); North Coast Ranges, Napa Valley 91 Comment
  RSA304647  Collomia diversifolia D. H. Wilken 1973-5-6 11924 Napa Along Copell Creek, 4 miles N of Moskowite Corner, E of Red Mountain 305 Comment
  SEINET8729290 Image available Collomia diversifolia Herbert L. Mason 1948-1 13570 Napa Near head of Butts Canyon Comment
  RSA304646  Collomia heterophylla D. H. Wilken 1973-5-6 11926 Napa Summit of Howell Mtn. Road, between Anguin and Pope Valley 518 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
  JEPS6810  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1894-10-14 21346 Napa Rebecca Ranch grade Calistoga Comment
  JEPS41126  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-5 9138 Napa western end Calistoga (on Calistoga grade of Calif. Hwy 29; 6.6 mi from junction of Calif. Hwy 29 and 128) Comment
  UC762585  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena Comment
  JEPS66520  Cordylanthus pringlei L. R. Heckard and T. I. Chuang 1971-8-16 2777 Napa along US Hwy 29 s Middletown (just across the Lake Co. line) 457 Comment
  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
  CAS-BOT-BC238222  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa East side of Mt. St. Helena Comment
  UCD161330  Cornus glabrata Jake Ruygt 1980-6-21 931 Napa Van Ness Creek. (Coordinates estimated by label maker at UC Davis). Comment
  JEPS106395  Cornus nuttallii Jake Ruygt 1990-4-28 2510 Napa Livermore Rd. about 1/2 mile from HWY 29 524 Comment
  UC932002  Cornus nuttallii Verne Grant and Alva Grant 1946-5-26 7634 Napa s.e. slope Mt. St. Helena Comment
  JEPS106394  Cornus sericea subsp. sericea Jake Ruygt 1998-6-13 4022 Napa Milliken Creek south of Foss Valley. 405 Comment
  UC21548  Cornus sericea subsp. sericea Willis L. Jepson 1894-1 Napa Napa R. near St. Helena; Napa R. Basin, Napa R. Comment
  CAS-BOT-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  JEPS106938  Cotula australis Jake Ruygt 1979-2-22 433 Napa west slope of Mt. George near Mt. George Ave. 91 Comment
  UCD89672  Crocanthemum scoparium Catherine E. Koehler 2005-5-14 s.n. Napa McLaughlin Reserve, between pond 6 and site 5. 374 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
  JEPS115739  Crypsis schoenoides Lowell Ahart 2009-10-12 16462 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  OBI74553  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Rd near Knoxville:3.0 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  SD211506  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey circa 15 sirmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  UCD37518  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  CAS-BOT-BC189250  Cryptantha John H. Thomas 1958-4-19 7125 Napa About 2 miles SW of Oakville 152 Comment
  SEINET4206989  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd.; 0 610 Comment
  UCR141015  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa Inner North Coast Ranges, 8 miles southwest of Monticello, along highway 128 305 Comment
  JEPS85017  Cryptantha flaccida Larry Heckard and Mary Ashton 1969-5-3 2227 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 510 Comment
  UCD148934  Cryptantha flaccida Ellen Dean; Diana Hickson 2014-4-29 8146 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  JEPS41085  Cryptantha hispidula Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9092 Napa 0.5 mi se Devilhead Road (from Knoxville to Cedar Valley, headwaters of Zim Zim Creek); Zim Zim Creek 487 Comment
  UC857146  Cryptantha hispidula Milo S. Baker 1938-4-29 8939 Napa e of Pope Valley (along road from Monticello) Comment
  UCD149661  Cryptantha hispidula 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
  UCD160650  Cryptantha hispidula Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8736 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD18062  Cryptantha hispidula Ellen Dean; with Plant Biology 102 class 2000-4-22 617 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
  UCD37572  Cryptantha hispidula Beecher Crampton 1955-4-7 2442 Napa Napa County, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville. Comment
  UCD70466  Cryptantha hispidula B. Wengeler 1995-4-30 s.n. Napa West of city of Winters, 2 m N of hwy 128 along Knoxville Rd. Open hillside of rocky, serpentine soil. Annual, 9 in tall. Flowers white. 183 Comment
  HSC81994  Cryptantha hispidula Thomas W. Nelson, Jane P. Nelson 1980-5-3 5160 Napa Junction of Butts Canyon Rd. and Snell Valley Rd. 197 Comment
  UC726222  Cryptantha hispidula A. A. Heller 1941-5-16 16126 Napa w of Knoxville (near the summit of the first ridge) Comment
  JEPS106701  Cryptantha intermedia Jake Ruygt 1982-5-15 1255 Napa Buzzard's Roost, Stag's Leap 585 Comment
  JEPS106740  Cryptantha microstachys Jake Ruygt 1995-4-29 3452 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  JEPS120430  Cryptantha muricata Jake Ruygt 2010-6-21 5640 Napa Near creek that drains into Bear Valley from southeast. Comment
  UCD74371  Cryptantha muricata Jake Ruygt 2004-5-29 4607 Napa Van Ness Canyon near old hunting camp. 579 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
  UC1086210  Cupressus macnabiana A. R. Kruckeberg 1947-9-3 1574 Napa ridge ca. 0.5 mi nw Whites Point (dirt road between Mountain Mill House (St. Helena Creek) and Oat Hill School (below Table Mountain)) Comment
  CAS-BOT-BC85479  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-17 2152 Napa On Middletown-Calistoga road, 300 Ft. S. of Lake Co. line 457 Comment
  CAS-BOT-BC85483  Cupressus sargentii John Thomas Howell 1927-8-24 3050 Napa Moist, rocky stream-bottom, Butts Valley, on Pope Valley-Middletown road, Napa Range Comment
  RSA352387  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 457 Comment
  RSA352388  Cupressus sargentii P. H. Raven 1965-5-16 20209 Napa Cedar Valley, vicinity of Knoxville 610 Comment
  RSA6530  Cupressus sargentii Elmer I. Applegate 1931-3-25 6621 Napa Near Mountain House, east base of Mt. St. Helena, northern Napa County Comment
  UC766773  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa a short distance below Lake County line; Butts Canyon Comment
  UCD133650  Cupressus sargentii Edward L. Smith 1967-5-7 s.n. Napa 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. 213 Comment
  UCD14259  Cupressus sargentii Tim Metcalf 1974-5-18 325 Napa south of Road 121, 4.2 miles west of junction with Road 128. 198 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
  JEPS120413  Cuscuta Jake Ruygt 2010-6-19 5608 Napa Berryessa-Knoxville Rd. north of Knoxvile site, at vernal pool. Comment
  UCD126264  Cuscuta californica Joe Solomone 1950-8-1 s.n. Napa above Monticello. Comment
  JEPS47133  Cuscuta subinclusa W. L. Jepson 1930-10-19 15696 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  JEPS47141  Cuscuta subinclusa Willis L. Jepson 1901-8-6 1735 Napa St. Helena Napa River Basin, Howell Mt. Comment
  SEINET7940323  Cuscuta subinclusa H. P. Chandler 1906-1 7123 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  UCD119154  Cynoglossum grande Collector unknown Date unknown s.n. Napa location unknown. Comment
  JEPS121340  Cyperus aristatus Jake Ruygt 1991-6-29 2746 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  CAS-BOT-BC114682  Cyperus eragrostis Elsa G. Ruckert 1960-5-22 158 Napa 6495 Dry Creek Road. Pond 300 yds SW of house. 365 Comment
  SEINET7581647 Image available Cyperus eragrostis A. D. E. Elmer 4656 Napa Napa. Comment
  CDA29763  Cyperus erythrorhizos M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 218 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  CHSC102305  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CHSC107296  Cyperus erythrorhizos M. K. Byers; F. Favela, J. McDonnell 2009-8-29 218 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). Comment
  UC1950192  Cyperus erythrorhizos Barbara Ertter with Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  UCR263782  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa North Coast Ranges, Lake Hennesy c. 15 air miles north-northwest of Napa, on Conn Creek, east of boat-launching ramp on southeast edge. 91 Comment
  CAS-BOT-BC114361  Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa Strand of Conn Lakes 152 Comment
  UCD161533  Cyperus niger Jake Ruygt 1991-7-26 2800 Napa road from Johnson's Meadow to Wooden Valley Wild Horse Valley Ranch. 207 Comment
  CAS-BOT-BC70646  Cystopteris fragilis Evelina Cannon 1901-7-15 s.n. Napa Johannisberg, Mt. Veeder Comment
  HSC9551  Danthonia californica J. V. Lenz 1947-5-14 Napa Wooden valley. Comment
  UCR30537  Danthonia californica John C. Roos 1939-5-13 272 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  UCD95974  Danthonia californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7068 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 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
  JEPS110923  Datura wrightii Jake Ruygt 1979-7-22 768 Napa 1.9 miles south of Imola Ave. on HWY 29 (221) 7 Comment
  UCD48431  Daucus pusillus S. Murphy; K. Keck and K. Dyer 2002-5-5 6 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 200 m from intersection of West and East roads, north side of upper road leading to power lines and tip parcels. 388 Comment
  JEPS106658  Deinandra corymbosa Jake Ruygt 1988-6-26 2213 Napa 1.3 miles west of HWY 29 on Green Island Road 9 Comment
  UC1607856  Delphinium decorum C. G. Nast 1936-3-27 85 Napa Child's Canyon Comment
  UCD160787  Delphinium hesperium Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8667 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD95806  Delphinium hesperium J. D. Atkin 1952-5-1 7 Napa Portuguese Canyon, ca. 1 mile up Putah Creek from Recreation Beach. Comment
  JEPS110726  Delphinium hesperium subsp. hesperium Jake Ruygt 1998-5-20 3991 Napa Sage Canyon Road about 1/3 mile west of inter. Chiles-Pope Rd 100 Comment
Read comments
Aug 15 2010
  UCD74352  Delphinium hesperium subsp. pallescens G. Ledyard Stebbins 1967-5-30 6523 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC10109  Delphinium hesperium subsp. pallescens John Thomas Howell 1939-4-30 14622 Napa Near Walter Springs Comment
  RSA787108  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -b Napa Napa range, along Napa-Monticello road. Comment
  UCD95878  Delphinium nudicaule J. D. Clark 1995-5-27 19 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  CAS-BOT-BC9817  Delphinium nudicaule Ira L. Wiggins 1949-4-30 12079 Napa Along old toll road between Calistoga and Middletown, about 2.5 mi. from Calistoga Comment
  UC635355  Delphinium nudicaule A. E. Borell 1928-4-13 124 Napa 10 mi s Petaluma Comment
  UC906516  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa 5 mi above Napa (side gulch); Sarco Creek Comment
  RSA10682  Delphinium patens Carl B. Wolf 1928-5-3 1805 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC116485  Delphinium patens subsp. patens E. Ruckert 1960-4-17 57 -408 Napa Meadow 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  JEPS110984  Delphinium patens subsp. patens Jake Ruygt 1981-4-18 979 Napa Harris Canyon 304 Comment
  CAS-BOT-BC116494  Delphinium patens subsp. patens J. T. Howell 1931-4-2 6105 Napa Grassy meadow, 4 miles from Monticello on road to Napa, Napa Range Comment
  JEPS110980  Delphinium uliginosum Jake Ruygt 1988-5-29 2192 Napa Cedar Valley 585 Comment
  JEPS60631  Delphinium uliginosum Joseph P. Tracy 1933-6-2 12488 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC668270  Delphinium uliginosum Joseph P. Tracy 1938-6-5 15831 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD54385  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  UCD147535  Delphinium variegatum Ellen Dean; Diana Hickson 2014-4-29 8089 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC7914  Delphinium variegatum G. L. Stebbins 1967-5-31 6525 Napa On road from Lower Lake to Knoxville, about 0.5 miles Northwest of Napa Co line 655 Comment
  RSA128562  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville. 244 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
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  UC1126377  Dendromecon rigida A. E. Wieslander 1931-5-11 183 Napa n slope of mountain n Calistoga; Calistoga Quadrangle, Mt. St. Helena 731 Comment
  UC1196301  Dendromecon rigida J. P. Tracy 1899-6-19 406 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  CAS-BOT-BC627  Dendromecon rigida subsp. rigida Carl B. Wolf 1928-5-4 1850 Napa Mt. St. Helena Comment
  CAS-BOT-BC654  Dendromecon rigida subsp. rigida Mary Katherine (Mrs.) Brandegee 1910-5-1 94 Napa Mt. St. Helena, on slopes back of the Toll House. Comment
  CAS-BOT-BC658  Dendromecon rigida subsp. rigida L. R. Abrams 1928-5-4 12274 Napa Mt. St. Helena trail. Comment
  UCD61234  Deschampsia cespitosa var. cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Area. Butts Canon. 200 Comment
  JEPS97742  Deschampsia danthonioides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2773 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC201722  Deschampsia elongata Alice Eastwood 1922-5-4 11253 Napa Calistoga Comment
  UCD149576  Deschampsia elongata 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
  UCD63727  Deschampsia elongata E. Wilson 1934-8-1 Napa Mt. St. Helena. 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
  UCD148795  Dichelostemma capitatum Ellen Dean; Diana Hickson 2014-4-29 8103 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD20681  Dichelostemma capitatum L. P. Thibault 1995-6-2 57 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 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
  CAS-BOT-BC499417  Dichelostemma capitatum Ira L. Wiggins 1928-3-24 2864 Napa Grade on road to Lake Co. above Colistoga Comment
  CAS-BOT-BC499421  Dichelostemma capitatum Elizabeth Wright 1922-4-1 s.n. Napa Calastoga 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
  JEPS64160  Dichelostemma capitatum W. L. Jepson 1893-3-13 20967 Napa e of St. Helena Comment
  UCD14948  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa California, Napa Co.; 6.4 miles southwest of Monticelo Dam along Highway 128; Comment
  UCD139203  Dichelostemma capitatum subsp. capitatum M. Sidells 1996-4-20 12 Napa next to path, at southwest side of Lake Berryessa, 150 m norhteast of Knoxville Road. 250 Comment
  UCD139436  Dichelostemma capitatum subsp. capitatum M. R. Wanzer 1948-4-3 4 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  UCD148736  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1977-3-14 154 Napa Napa County; 2.2 miles north of Silverado Trail on Soda Canyon Road. 115 Comment
  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
  UCD169613  Dichelostemma multiflorum 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
  UCD148737  Dichelostemma volubile Jake Ruygt 2005-5-14 4845 Napa Napa County; Berryessa-Knoxville Rd. near south end of Knoxville Wildlife Area. 268 Comment
  CAS-BOT-BC153777  Diplacus angustatus Paul F. Covel 1940-4-28 1700 Napa CCC-Las Posadas CAmp, near Pacific Union College Comment
  CAS-BOT-BC153779  Diplacus angustatus John Thomas Howell 1940-5-19 15465 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC153781  Diplacus angustatus J. P. Tracy 1902-5-18 1536 Napa La Jota Plateau, Howell Mountain; Head of Moore's Creek 3-4 miles East of Angwin's 518 Comment
  CAS-BOT-BC150365  Diplacus aurantiacus Gilbert Muth 1967-5-17 668 Napa Oat Hill Road, Calistoga 243 Comment
  CHSC83411  Diplacus aurantiacus L. P. Janeway; B. Castro 2002-5-12 7547 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  SEINET13693732  Diplacus aurantiacus R. R. Halse 1989-5-13 3833 Napa Along State Hwy 29 on the Calistoga Grade, ca 2.5 miles N of Calistoga. 240 Comment
  SEINET8409813  Diplacus congdonii R. F. Denno 1967-3-29 33 Napa inner Coast Range; 2 miles southwest of Monticello Dam. 137 Comment
  SEINET183712  Diplacus kelloggii L. Constance 1938-1 2044 Napa Steel Cyn near Capell Valley, 8 mi S of Monticello, Napa Range, N Coast Ranges 305 Comment
  CAS-BOT-BC153408  Diplacus layneae J. W. Stacey 1933-5-15 s.n. Napa Howell Mt. Comment
  OBI49335  Diplacus layneae Joseph P. Tracy 1950-5-23 18662 Napa Howell MTn. On hills at head of Moore's Crk, 5 mi E of Angwin's Comment
  SEINET4170353  Disporum hookeri C. H. Lamoureux, J. M. Tucker , Roman Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road abd Siverado Trail Comment
  CDA33361  Dittrichia graveolens Robin Breckenridge 2010-9-29 PDR# 5059105 Napa Lake Berryessa. 0 Comment
  JEPS9524  Dodecatheon hendersonii Willis L. Jepson 1893-3-13 14587 Napa hills e St. Helena (Napa River Basin); , e of St. Helena Comment
  UC1039589  Dodecatheon hendersonii Herbert L. Mason 1925-1-23 1206 Napa Wooden Valley grade Comment
  UCD117942  Dodecatheon hendersonii Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Just northeast of the fire station about 0.1 mile down undeveloped road. Northwest side of road. 518 Comment
  JEPS106561  Downingia bicornuta var. bicornuta Jake Ruygt 1993-5-1 3244 Napa Pope Canyon Rd at large vernal pond 187 Comment
  JEPS103628  Downingia concolor var. concolor Lisa Schultheis 1995-5-31 195 -95 Napa corner of Pope Valley Cross Road and Chiles-Pope Valley Road Comment
  JEPS106568  Downingia pusilla Jake Ruygt 1981-3-26 1148 Napa east of Rocktram, west of HWY 221 3 Comment
  JEPS106782  Draba verna Jake Ruygt 1993-4-3 3184 Napa Little Bear Valley 670 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
  CAS-BOT-BC157776  Drymocallis glandulosa var. glandulosa M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS44322  Drymocallis glandulosa var. wrangelliana Willis L. Jepson 1893-4-26 127 p Napa La Lomita at Yountville (Napa River Basin); , La Lomita at Yountville Comment
  UC1543126  Drymocallis glandulosa var. wrangelliana Charlotte G. Nast 1936-3-27 74 Napa Childs Canyon Comment
  CAS-BOT-BC70948  Dryopteris arguta Carl B. Wolf 1928-5-3 1841 Napa base of Mt. St. Helena Comment
  UCD48303  Dryopteris arguta Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. at junction with Decker Bay trail. 152 Comment
  UCD136448  Dryopteris arguta D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  SEINET267030 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 673031 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC608384  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  JEPS40976  Dudleya cymosa L. R. Heckard with R. Bacigalupi 1965-5-15 1458 a Napa ca 2.5 air mi s Knoxville (along Zim Zim Creek) 396 Comment
  CAS-BOT-BC428110  Dudleya cymosa subsp. cymosa Peter H. Raven 1951-5-6 2828 Napa Burn below Conn Dam 274 Comment
  UC1562616  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
Read comments
Jul 2 2011
  UCD161323  Echinodorus berteroi Jake Ruygt 1979-8-11 792 Napa Lake Hennessey. (Coordinates estimated by label maker at UC Davis). 96 Comment
  JEPS129120  Eleocharis coloradoensis Jake Ruygt 2010-8-24 5755 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  UCD161710  Eleocharis engelmannii Jake Ruygt 2010-8-7 5699 Napa Friesen Lakes, Dear Lake. 594 Comment
  UCD147528  Eleocharis macrostachya Ellen Dean; Diana Hickson 2014-4-29 8082 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD161512  Eleocharis parishii Jake Ruygt 1989-5-9 2311 -a Napa American Canyon, Avilla Ranch. 85 Comment
  JEPS121353  Eleocharis parvula Jake Ruygt 1986-7-13 1879 b Napa SW of Buchli Station near county line Comment
  CAS-BOT-BC203591  Elymus glaucus subsp. glaucus John H. Thomas 1955-5-21 5106 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC203593  Elymus glaucus subsp. glaucus Carl B. Wolf 1928-5-3 1794 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD48052  Emmenanthe penduliflora B. Takahashi; S. Burgess, A. Hufton, J. Pierner, A. Ryan 2000-4-29 5 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow the flies) N of the old town of Knoxville. 609 Comment
  UCD166680  Emmenanthe penduliflora var. penduliflora Jake Ruygt 1996-6-1 3730 Napa Hwy 128 about 3/4 mile north of Turtle Rock Cafe. 259 Comment
  UC1198502  Epilobium campestre Joseph P. Tracy 1938-6-6 15841 Napa between Napa City and Yountville; Napa valley 30 Comment
  UCD164739  Epilobium campestre Jake Ruygt 2014-7-7 6022 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  RSA39634B  Epilobium canum subsp. canum P. A. Munz 1947-10-10 12215 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  UC221399  Epilobium canum subsp. canum H. M. Hall 1923-10-15 11951 Napa near Calistoga (n of town) Comment
  SD147979  Epilobium canum subsp. latifolium D. Sanchez-Mata, P. Rodriguez-Rojo 1996-10-19 Napa Knoxville-Berryessa Road. Perennial plant communities in basaltic rocky slopes near Spanish Flat. 220 Comment
  UCD105468  Epilobium canum subsp. latifolium D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCD67613  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-10 s.n. Napa Lake Berryessa. Near Monticello Dam. 180 Comment
  JEPS38230  Epilobium densiflorum W. L. Jepson 1944-7-30 27545 Napa 3 mi se Yountville; Napa Valley Comment
  UC1198493  Epilobium densiflorum Joseph P. Tracy 1938-8-7 16096 Napa in ditch Yountville 30 Comment
  UCD106906  Epilobium torreyi K. Esau; D. Hartmann 1941-7-17 s.n. Napa Near Middletown. Comment
  UCSB4279  Epilobium torreyi 1959-6-22 Napa Near southeast shore of Lake Hennessy, Napa Range Comment
  CAS-BOT-BC57894  Equisetum X ferrissii Peter H. Raven 1951-10-28 3922 Napa Yountville. 60 Comment
  JEPS120428  Equisetum hyemale Jake Ruygt 2007-4-21 5155 Napa Jameson Canyon at west end of narrow passage of highway. Comment
  JEPS116560  Equisetum laevigatum Jake Ruygt 1996-4-22 3621 Napa Sheehy Creek at Executive Court. Cuttings Wharf 7.5' Quad. Comment
  UCD167052  Equisetum laevigatum Jake Ruygt 1991-5-11 2663 Napa Scott's Flat, Aetna Mine Road. 481 Comment
  UCD116241  Eremalche parryi Eric S. Nagy 1990-4-29 005 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  JEPS7802  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa near Lokoya 548 Comment
  UC31075  Ericameria arborescens W. L. Jepson 1894-10-14 Napa near Calistoga (Rebecca Ranch Grade) Comment
  UC126554  Erigeron biolettii Harley P. Chandler Sep 7 1906-Sep 14 1906 7134 Napa Alta Loma Ranch 487 Comment
  UCD161573  Erigeron foliosus var. franciscensis Jake Ruygt 2006-7-3 5068 Napa Mead Ranch, west of the big barn. 481 Comment
  OBI16542  Erigeron greenei Robert F. Hoover 1966-8-23 9923 Napa E side of Mt St. Helena. 1/2 mi from Lake Co line Comment
  UCD63172  Erigeron reductus var. angustatus Jake Ruygt 2007-7-1 5247 Napa West of Hwy 29, near Lake County line. 464 Comment
  CDA10860  Eriodictyon californicum G. F. Hrusa, M. Rejmanek 1993-5-15 10955 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS110830  Eriodictyon californicum Jake Ruygt 1976-4-25 27 Napa .9 mile west of Berryessa-Knoxville Rd. on Pope Canyon Rd. 219 Comment
  UCD170666  Eriodictyon californicum 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-BC242614  Eriogonum dasyanthemum James L. Reveal 1987-6-7 6404 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and south of Lake Berryessa 243 Comment
  POM209422  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  UCD164779  Eriogonum dasyanthemum Jake Ruygt 2010-7-24 Napa East side of Hwy 121, at north end of Wooden Valley. 426 Comment
  UCD164781  Eriogonum dasyanthemum Jake Ruygt 2008-7-19 5363 Napa Northwest corner of Pope Canyon Road and Berryessa-Knoxville Rd. 152 Comment
  JEPS120315  Eriogonum fasciculatum var. foliolosum Jake Ruygt 2004-9-21 4670 Napa 0.65 mile north of Turtle Rock on Highway 128. Yountville 7.5' Quad. Comment
  UC1925867  Eriogonum gracile Ethel Crum Oct 1930 911 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  CAS-BOT-BC266067  Eriogonum luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266069  Eriogonum luteolum Peter H. Raven 1951-6-26 3060 Napa Wooden Valley Grade 304 Comment
  POM209841  Eriogonum luteolum S. G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains. Comment
  RSA491701  Eriogonum luteolum var. luteolum James L. Reveal 1987-6-7 6411 Napa Along Oakville Grade, 1.5 miles southwest of Oakville, about 6 airline miles south of St. Helena 244 Comment
  UC535081  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  UC85728  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1892 Napa Calistoga Comment
  JEPS116864  Eriogonum luteolum var. luteolum David Gowen 2007-9-10 796 Napa Butts Canyon Road at Snell Valley Road. Comment
  JEPS123299  Eriogonum luteolum var. luteolum David Gowen with Dick O'Donnell 2009-6-30 1078 Napa Rare Plant Canyon area near Cedar Creek. Comment
  JEPS56172  Eriogonum luteolum var. luteolum W. L. Jepson 1894-7-19 Napa on Toll Road near school-house; Mt. St. Helena Comment
  LA206913  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 81 Napa Sage Canyon, Napa Mountains; edge of river bed Comment
  UCD73440  Eriogonum nudum 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
  UC1198135  Eriogonum nudum var. nudum J. P. Tracy 1899-7-6 443 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  UC6393  Eriogonum nudum var. nudum Willis L. Jepson 1893-10-13 Napa Upper Conn Valley Napa River Basin, Upper Conn Valley Comment
  CAS-BOT-BC269714  Eriogonum nudum var. oblongifolium L. R. Abrams 1916-7-2 5766 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC271624  Eriogonum nudum var. oblongifolium H. E. McMinn 1922-6-8 201 Napa Pope Canyon Comment
  SBBG28223  Eriogonum nudum var. oblongifolium S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mtns Comment
  JEPS120314  Eriogonum umbellatum var. smallianum Jake Ruygt 1998-7-11 4083 Napa Blue Ridge, about 1.5 miles north of Mays Flat. Knoxville 7.5' Quad. Comment
  UC1925868  Eriogonum vimineum Ethel Crum October 1930 910 Napa Conn Creek to Pope Valley Comment
  UCD101529  Eriogonum vimineum Robert E. Preston 1987-6-20 568 Napa 3/4 mile N of Round Corral in Big Basin. 268 Comment
  CAS-BOT-BC300347  Eriophyllum John H. Thomas 1955-5-21 5125 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS106952  Eriophyllum confertiflorum Jake Ruygt 1995-6-13 3495 Napa Oakville Grade about 100 yards east of Mt. Veeder Road. 176 Comment
  UCD132169  Eriophyllum lanatum Alan P. Godlewski 1974-5-3 11 Napa west of Lake Berryessa, 50 yards from highway. Comment
  CAS-BOT-BC301049  Eriophyllum lanatum var. achilleoides L. R. Abrams 1928-5-4 12284 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC301054  Eriophyllum lanatum var. achilleoides Peter H. Raven 1951-5-6 2817 Napa 4 miles Conn Dam from Rutherford 91 Comment
  JEPS34500  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-6-11 19007 Napa Knoxville Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  POM41575  Eriophyllum lanatum var. achilleoides Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD18121  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  CAS-BOT-BC301050  Eriophyllum lanatum var. achilleoides H. E. McMinn No date on label 956 Napa Unspecified Comment
  JEPS34729  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-5-22 18827 Napa Snell Vslley Comment
  RSA92291  Eriophyllum lanatum var. achilleoides F. W. Peirson 1928-7-4 7953 Napa Summit of Mt. St. Helena grade Comment
  CAS-BOT-BC301174  Eriophyllum lanatum var. arachnoideum Betty H. Johnson 1958-6-8 608 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  POM117391  Erodium botrys Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET5585685  Erodium brachycarpum Richard R. Halse 2013-1 8758 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of its junction with the Lower Chiles Valley Road. 230 Comment
  UC1130305  Erodium cicutarium A. E. Wieslander, H. S. Yates 1934-2-25 370 Napa 3 mi e Calistoga (Calistoga to Middletown); Calistoga Quad. 335 Comment
  UCD159949  Erodium cicutarium Alice Warrick 2007-5-11 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q-49. 243 Comment
  UCD49060  Erodium cicutarium S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD170364  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 862 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UC1197358  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1939-10-14 16510 Napa Calistoga, Myrtledale Hot Springs 121 Comment
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  UCD164833  Eryngium jepsonii Jake Ruygt 2012-6-2 5856 Napa Butts Canyon Road, across road from James Creek Road. Comment
  CAS-BOT-BC54304  Erysimum capitatum David D. Keck 1931-4-2 1031 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  UCD21548  Erysimum capitatum A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, just N of pool at confluence of Sensitive Plant Canyon and Hunting Creek, along trail to pool from campground. 335 Comment
  CAS-BOT-BC40899  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  SEINET8274778  Erythranthe microphylla Richard W. Cleveland 1951-4-8 16 Napa on road from Monticello to Napa, 8 miles east of Napa. Comment
  SEINET8405337  Erythranthe nudata J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  CAS-BOT-BC124172  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-BC133282  Erythronium helenae Elmer I. Applegate 1934-3-11 8842 Napa St. Helena Creek, half a mile south of Lake County line Comment
  CAS-BOT-BC133291  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mount St. Helena, just east of the Palisades on the old stage road Comment
  CAS-BOT-BC133293  Erythronium helenae Mrs. Clara Hunt 1921-4-1 s.n. Napa Popes Valley near St. Helena Comment
  RSA176484  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Volcanic crater region of Mount St. Helena, just east of the Palisades on the Old Stage Road Comment
  SEINET8359660  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens, northern Napa County; steep northerly slope just east of the Palisades on old stage road. Comment
  RSA785708  Eschscholzia caespitosa Carrie A. Herd 1982-5-9 92 Napa Trinity, Dry Creek Road, 0.5 mi. E. of Mt. Veeder Rd. Comment
  UCR146408  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Inner North Coast Ranges, Martley Canyon on Hwy. 128, Vaca Mountains 305 Comment
  CAS-BOT-BC402796  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6096 Napa 9 miles from Monticello on road to Napa, Napa Range Comment
  CAS-BOT-BC402798  Eschscholzia caespitosa Peter H. Raven 1955-3-20 8244 Napa Slopes just below Hennessey Lake, Conn Valley 121 Comment
  UCD167247  Eschscholzia caespitosa Jake Ruygt 1981-4-1 964 Napa Chimney Rock. 213 Comment
  UCD95249  Eschscholzia caespitosa Alan P. Godlewski 1974-5-3 22 Napa west of Lake Berryessa, 100 yards from Highway 128. Comment
  CAS-BOT-BC403337  Eschscholzia californica Alice Eastwood 1922-5-4 11274 Napa Mt. St. Helena Comment
  CAS-BOT-BC403339  Eschscholzia californica Mrs. H. C. Cantelow 1939-4-8 2514 Napa 3 1/2 mi. N.W. of Knoxville Comment
  UCD167246  Eschscholzia californica Jake Ruygt 1978-5-17 320 Napa South of Trancas west side of Napa River. 10 Comment
  RSA31673  Eschscholzia californica var. crocea A. A. Heller 1941-5-16 16125 Napa Knoxville, border of mine dump. Comment
  JEPS51864  Euphorbia crenulata W. L. Jepson 1924-4-27 10369 Napa Mt. St. Helena; Toll House 457 Comment
  RSA10671  Euphorbia crenulata C. B. Wolf 1928-5-3 1818 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC17643  Euphorbia crenulata Willis L. Jepson 1894-5-1 Napa Napa River Basin; Rebecca Ranch Comment
  CAS-BOT-BC312174  Eurybia radulina Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UC86940  Eurybia radulina T. S. Brandegee Aug 1 1888-Jan 1 1900 Napa Howell Mountain Howell Mountain Comment
  JEPS106956  Euthamia occidentalis Jake Ruygt 1978-8-29 404 Napa .5 miles south of Hoffman Lane on Solano Avenue 22 Comment
  RSA755363  Euthamia occidentalis L. Ahart 2009-10-12 16420 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
  JEPS84610  Festuca arundinacea John W. Willoughby 1979-5-25 4305 Napa about 1 mi s Signal Hill (just below and to the w of Blue Ridge); Vaca Mountains, Pansy Flat 609 Comment
  CDA10863  Festuca californica G. F. Hrusa, M. Rejmanek 1993-5-15 10958 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CHSC30533  Festuca californica T. B. Devine 1980-4-12 698 Napa On Hwy. 29 ca 4 1/2 mi. SW of Robert Louis Stevensen State Park. Comment
  JEPS71214  Festuca californica W. L. Jepson 1934-10-16 16895 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC766903  Festuca californica R. F. Hoover 1941-4-26 4926 Napa canyon n Pope Valley (on road to Butts Canyon) Comment
  UCD36169  Festuca californica Beecher Crampton 1952-3-24 1030 Napa 7.5 miles east of Rutherford, along Highway 128. Comment
  UCR43100  Festuca californica 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
  CHSC83359  Festuca californica var. californica L. P. Janeway; B. Castro 2002-5-12 7542 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  UC1153830  Festuca elmeri Beecher Crampton 1954-5-6 1834 Napa between Capell and Wooden Valley Wooden Valley (State Hwy 37) Comment
  SEINET9366161  Festuca idahoensis Unknown 1965-5-13 7328 Napa Napa county, S end of Chiles Valley on Hwy 128. Open serpentine slopes. Comment
  CAS-BOT-BC278836  Festuca occidentalis Peter H. Raven 1952-5-26 4052 Napa Howell Mt., (e. side) 304 Comment
  UCD32894  Festuca roemeri Beecher Crampton 1965-5-13 7328 Napa south end of Chiles Valley on hwy. 128. Comment
  CAS-BOT-BC279010  Festuca rubra Peter H. Raven 1952-5-31 4144 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  RSA132845  Filago gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville. 152 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
  CAS-BOT-BC223848  Frankenia palmeri Peter H. Raven 1951-9-9 3906 Napa Slaughterhouse Pt., Napa River 0 Comment
  HSC46117  Fraxinus dipetala J. P. Smith, J. O. Sawyer 1970-5-17 3787 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  RSA107469  Fraxinus latifolia L. S. Rose 1955-9-26 55190 Napa Below Conn Lake, 4 mi NE of Rutherford. 61 Comment
  UC1198636  Fraxinus latifolia Joseph P. Tracy 1904-5-20 2078 Napa near Rutherford (along Napa River); Northern Coast Ranges, Napa River 30 Comment
  SEINET13943203 Image available Fraxinus latifolia Lewis S. Rose 1955-1 55190 Napa Below Conn Lake; 4 mi NE of Rutherford; ca. 200 ft alt. 61 Comment
  JEPS81213  Fremontodendron californicum Douglas W. James Jr. 1973-5-5 102 Napa Off Road 128, 1.1 miles southeast of junction with Berryessa-Knoxville Road 213 Comment
  SBBG28946  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  UC144553  Fremontodendron californicum subsp. californicum C. F. Baker 1903-5-8 2972 Napa Pacific Coast, Knoxville Knoxville; Pacific Coast, Knoxville Comment
  POM224396  Fritillaria affinis Ethel Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  UC504870  Fritillaria affinis R. M. Holman 1933-4-12 Napa near Mount Veeder Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  CAS-BOT-BC130080  Fritillaria affinis 1930-4-5 s.n. Napa unspecified Comment
  JEPS61899  Fritillaria affinis Willis L. Jepson 1893-4-28 14825 Napa n of Wooden Valley Grade (Napa Mountains, Napa River Basin, Milliken Creek); Napa Mountains, Napa River Basin, Milliken Creek Comment
  JEPS61901  Fritillaria affinis Willis L. Jepson 1893-5-5 14823 Napa Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  UCSB680  Fritillaria affinis Keator, Glenn 1959-3-28 Napa Near Conn's Picnic grounds, Lake Hennessy Area Comment
  CAS-BOT-BC130486  Fritillaria purdyi Mrs. M. Ackley 1965-4-1 s.n. Napa Hills w. of Aetna Springs Comment
  CAS-BOT-BC130488  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa Palasades, Mayacama range, north of Calistoga Comment
  POM224397  Fritillaria recurva Ethel Crum 1936-3-15 1739 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  UC14993  Fritillaria recurva J. P. Tracy 1902-5-21 1585 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  UCD37515  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa north end of Capell Valley, above Capell Creek. Comment
  JEPS61954  Fritillaria recurva Willis L. Jepson 1893-5-5 14819 Napa ne side of Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  RSA52739  Fritillaria recurva I. L. Wiggins 1949-4-30 12091 Napa Mount St. Helena near Lake Co. Line Comment
  POM204016  Galium andrewsii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS7029  Galium andrewsii subsp. andrewsii W. L. Jepson 1938-5-22 18834 Napa South Fork Butts Canyon 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
  CDA42134  Galium aparine T. C. Fuller 1958-5-1 3723 Napa 2.5 miles north of Calistoga. 0 Comment
  UCD13130  Galium aparine Etienne and Laurie Oleksiewicz 1981-4-18 8 Napa On Knoxville Rd., 8.9 miles north of Pope Canyon Rd., north facing slope. Comment
  UC127126  Galium bolanderi Harley P. Chandler Sep 7 1906-Sep 14 1906 7105 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCR64599  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John 229 Comment
  UCD121757  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa West of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD121829  Galium nuttallii Heidi E. M. Dobson 1978-5-28 332 Napa East slope of Mt. Veeder. Comment
  JEPS110600  Galium parisiense Jake Ruygt 1981-5-27 1034 Napa .3 mile south of Sage Canyon Rd. on Lower Chiles Valley Rd. 274 Comment
  UCD159926  Galium parisiense Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43-1. 243 Comment
  UCR225658B  Galium porrigens Ellen Dean, Stephen Rae 2008-5-21 4985 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  JEPS110616  Galium porrigens var. porrigens Jake Ruygt 2002-4-1 4377 b Napa Blue Ridge N of Mays Flat 457 Comment
  UC1562617  Galium porrigens var. tenue Barbara Ertter with Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Rd n; Lake Berryessa (9.0 mi s of Knoxville tunnel, base of e-facing slope at edge of stream) 243 Comment
  UC1196096  Galium tricornutum Joseph P. Tracy 1899-6-13 424 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD170668  Garrya congdonii 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144384  Garrya fremontii H. E. McMinn 1925-1-23 1363 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144422  Garrya fremontii Alice Eastwood 1922-3-26 11111 Napa Mt. St. Helena Comment
  JEPS66734  Garrya fremontii Willis L. Jepson 1893-1 14159 Napa summit of Mt. St. Helena; Napa River Basin Comment
  UCD18136  Gastridium phleoides Jean Shepard; with PLB 102 class 2000-4-29 186 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
  RSA0028368  Geranium carolinianum Carl B. Wolf 1928-5-3 1802 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD83409  Geranium carolinianum Jake Ruygt 2009-4-25 5400 Napa Conn Valley Rd., ca. 1/3 mi E of Howell Mountain Rd. 115 Comment
  UCD103394  Geranium dissectum M. Wiesendanger 1927-5-4 666 Napa Near Monticello. Comment
  UCD118532  Geranium dissectum Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, edge of Recreation Flat. 387 Comment
  JEPS106708  Geranium molle Jake Ruygt 1986-3-22 1666 Napa Vaca Mountains, east of Markley Cove Resort 304 Comment
  UCD23414  Geranium molle Rebecca L. Moehlmann 1977-4-16 21 Napa Small purple flowers, notched petal. Pubescence both leaf surfaces. Foothill woodland with blue oak, digger pine. East side of Highway 128, 6.4 miles by road SSW of Monticello Dam. Wragg Canyon. 182 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
  UCR106835  Geranium molle Julie Knorr 1977-4-16 7 Napa Hwy 128, 6.4 mi west of Monticello Dam, steep N facing slope Comment
  UCD132710  Geranium purpureum Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park, in area near parking lot and around historic mill. 115 Comment
  RSA119160  Gilia capitata John H. Thomas 1955-5-21 5141 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  RSA83101  Gilia capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon on east slope of Mayacama Mountains, ca. 8 miles from Vichy Springs on Montichello road. Comment
  RSA83139  Gilia capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa ca. 8 miles NE of Vichy Springs on Monticello road, Mayacama Mountains. Comment
  UC932031  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon ca 8 mi from Vichy Springs (on Monticello Road, e slope Mayacama Mountains); e slope Mayacama Mountains, ca 8 mi from Vichy Springs Comment
  UC146065  Gilia capitata subsp. capitata H. P. Chandler 1907-5-29 7592 Napa White Sulphur Spr. St. Helena, White Sulphur Spr. Comment
  HSC45343  Gilia tricolor R. York 1978-4-8 115 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD169876  Gilia tricolor Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 717 Napa Knoxville Wildlife Area. 245 Comment
  JEPS110964  Gilia tricolor subsp. diffusa Jake Ruygt 1977-3-14 155 Napa 2.2 miles north of Silverado Trail on Soda Canyon Rd. 121 Comment
  SEINET7075538  Gilia tricolor subsp. diffusa 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
  UC908613  Gilia tricolor subsp. tricolor Herbert L. Mason 1926-3-14 2731 Napa Mount St. Helena Comment
  UCD167229  Gilia tricolor subsp. tricolor Jake Ruygt 1987-3-19 1933 Napa Milliken Canyon near east end of pipeline. 134 Comment
  JEPS106571  Githopsis diffusa subsp. robusta Jake Ruygt 1982-5-15 1252 Napa upper end of Soda Canyon 518 Comment
  JEPS33907  Githopsis specularioides D. E. Breedlove 1963-5-29 5063 Napa 4.5 mi n Pope Valley Comment
  CDA34661  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 miles (air) west of Winters. Comment
  JEPS115689  Glinus lotoides Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  CAS-BOT-BC435004  Glinus lotoides Peter H. Raven 1951-10-28 3931 Napa At w. end of Conn Lake 152 Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  UCD73518  Gnaphalium palustre Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC303339  Gnaphalium palustre Peter H. Raven 1951-10-28 3942 Napa Conn Lake 152 Comment
  UCD63179  Grindelia camporum Jake Ruygt 2004-6-12 4617 Napa 3/4 mile east of Blue Monday Mine. 365 Comment
  UCR44911  Grindelia camporum L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  CAS-BOT-BC304891  Grindelia hirsutula John Thomas Howell 1932-10-8 10806 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304893  Grindelia hirsutula L. R. Abrams 1916-7-2 5751 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC304905  Grindelia hirsutula Peter H. Raven 1952-6-28 4211 Napa Chiles Valley 243 Comment
  JEPS106920  Grindelia hirsutula Jake Ruygt 1979-6-26 719 Napa Edgerley Island, end of Milton Rd. 0 Comment
  POM359073  Grindelia hirsutula Peter H. Raven 1965-5-15 20200 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  UC1536846  Grindelia hirsutula G. H. True 1937-6-21 732 Napa near Lokoya Lodge 365 Comment
  UC32140  Grindelia hirsutula Edw. L. Greene Napa St. Helena Comment
  UC472392  Grindelia hirsutula H. P. Chandler 1907-7-19 7604 Napa Howell Mt. Comment
  UCD148103  Grindelia hirsutula Jake Ruygt 2977 Napa Yountville Ecological Reserve, Yountville Cross Rd. 28 Comment
  JEPS120421  Grindelia hirsutula Jake Ruygt 2010-8-14 5714 Napa Berryessa Estates picnic area adjacent to Putah Creek at junction with Butts Cr. Comment
  POM183387  Grindelia hirsutula var. davyi J. T. Howell 1930-7-13 5346 Napa Mt. St. Helena. Comment
  UC608853  Guillenia flavescens Beryl O. Schreiber 1938-4-24 2500 Napa 0.25 mi nw Knoxville; Reiff Quad. 609 Comment
  JEPS106786  Guillenia lasiophylla Jake Ruygt 1989-4-22 2271 Napa east of HWY 121 on HWY 128 Comment
  JEPS54083  Guillenia lasiophylla W. L. Jepson 1894-5-2 13347 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  POM143656  Guillenia lasiophylla C. F. Baker 1903-4-20 2629 Napa Mt. St. Helena. Comment
  UCD161617  Gutierrezia sarothrae Jake Ruygt 2003-11-4 4565 Napa Blue Ridge about 1 mile north of Mays Flat. (Coordinates converted from UTM data by label maker). 716 Comment
  JEPS122925  Hainardia cylindrica Jake Ruygt 1993-5-11 3259 Napa Milton Road north of the railroad tracks. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC8138  Harmonia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  UC89171  Harmonia hallii C. F. Baker 1902-5-8 3079 Napa Knoxville Comment
  CAS-BOT-BC302217  Harmonia nutans Willis L. Jepson 1893-4-28 s.n. Napa Wooden Valley Grade, Napa River Basin Comment
  CAS-BOT-BC302221  Harmonia nutans John Thomas Howell 1931-4-2 6075 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC302223  Harmonia nutans John Thomas Howell 1931-4-4 6164 Napa Trail to Crater Country, Mt. St. Helena region Comment
  CAS-BOT-BC302232  Harmonia nutans Alice Eastwood 1922-5-4 s.n. Napa Mt. St. Helena Comment
  JEPS122708  Harmonia nutans Jake Ruygt 1998-6-8 4018 Napa Meas Ranch, slope overlooking Soda Canyon. Quad: Yountville. Comment
  JEPS7511  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa near Yountville 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
  UCD118149  Harmonia nutans Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. 0.1 mile northeast of fire station, along undeveloped road, north side of road. 518 Comment
  UCD164820  Harmonia nutans Jake Ruygt 2012-4-21 5828 Napa Crystal Flats, west of Putah Creek. 216 Comment
  JEPS106639  Helenium bigelovii Jake Ruygt 1982-6-13 1319 Napa Guilliume Springs, Cedar Roughs 292 Comment
  UC1321309  Helenium bigelovii R. F. Hoover 1966-8-23 9934 Napa near Lake Co. line; Butts Canyon Comment
  UCD132774  Helianthella californica J. M. Tucker 1968-5-20 4111 Napa summit of Blue Ridge (Vaca Range), around 1.5 miles northwest of the head of Mxi Canyon. 762 Comment
  UC1069443  Helianthella californica subsp. californica A. Lewis 1932-5-14 78 Napa along the roadside Napa Quadrangle Comment
  UCD161319  Helianthella californica var. californica Jake Ruygt 1979-6-3 678 Napa Deer Park Road near Four Corners. (Coordinates estimated by label maker at UC Davis). 402 Comment
  POM180773  Helianthus bolanderi J. T. Howell 1930-10-19 5616 Napa Dry slope, 3 miles from Aetna Springs on Butte Valley road to Middletown Comment
  UC1069462  Helianthus bolanderi B. Schreiber 1936-9-9 2352 Napa 5 miles S of Reiff; Reiff Quad. Comment
  UC1177089  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 mi e Chiles Valley 304 Comment
  UCD132906  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  RSA92485  Helianthus bolanderi Alice Eastwood, J. T. Howell 1939-8-20 7618 Napa Capell Creek Comment
  UCD63181  Helianthus bolanderi Jake Ruygt 1986-7-5 1861 Napa Devilshead Rd. at road to 'sensitive plant canyon'. 472 Comment
  JEPS4457  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CAS-BOT-BC305617  Helianthus californicus Alice Eastwood; John Thomas Howell 1939-8-20 7619 Napa Capell Creek Comment
  JEPS105354  Helianthus exilis Dean W. Taylor 1994-10-7 14712 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  CDA34656  Heliotropium europaeum L. Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CHSC102300  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UC1925925  Hemizonia congesta Ethel Crum Oct 1930 916 Napa Pope Valley. Comment
  CAS-BOT-BC306145  Hemizonia congesta subsp. clevelandii H. M. Hall 1924-10-4 12112 Napa Calistoga, (Myrtledale Spring) Comment
  CAS-BOT-BC306175  Hemizonia congesta subsp. congesta W. M. Heusi 1930-10-18 105 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  UC222698  Hemizonia congesta subsp. luzulifolia H. M. Hall 1923-10-14 11942 Napa 8 mi w Pope Valley Comment
  CAS-BOT-BC309831  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi. S. of Napa, on road to Vallejo Comment
  CAS-BOT-BC309833  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4541 Napa 9 miles n. of Vallejo in Napa Co. Comment
  UCD161616  Hemizonia congesta subsp. luzulifolia Jake Ruygt 2002-9-14 4457 Napa Missimer / Snell Valley Wildflower Preserve. 170 Comment
  POM298254  Hemizonia luzulifolia subsp. rudis Joseph A. Ewan 1933-9-17 7999 Napa Vacant lot in Napa, Napa Valley Comment
  CDA7810  Hemizonia parryi A. Delfino 1960-10-4 Napa Tamagni Dairy, Calistoga. 0 Comment
  UCD127521  Heracleum maximum Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  SBBG22989  Hesperocyparis sargentii J. M. Tucker 1941-9-20 405 Napa 2 mi E of jct of rd from Samuel Springs with Monticello-Pope Valley Rd Comment
  SJSU149  Hesperocyparis sargentii Emily D. Smith 1935-11-11 Napa near head of St. Helena Cr c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  CAS-BOT-BC167419  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs Comment
  CAS-BOT-BC167421  Hesperolinon bicarpellatum Robert F. Hoover 1938-6-8 3539 Napa Canyon of s. fork of Butts Canyon Comment
  CAS-BOT-BC167423  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  CAS-BOT-BC231515  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
  JEPS32275  Hesperolinon bicarpellatum W. L. Jepson 1938-6-8 18888 Napa slopes along the Snell Valley Road ne Pope Valley (drainage of Butts Creek) (northern Napa County) Comment
  UC1212346  Hesperolinon bicarpellatum Freed W. Hoffman 1947-6-17 1647 Napa Sage Canyon Comment
  UC1212361  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4143 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC1212372  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa ca 0.5 mi from Walter Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UCD160677  Hesperolinon bicarpellatum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8749 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  CAS-BOT-BC176011  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford 152 Comment
  CAS-BOT-BC176013  Hesperolinon californicum J. P. Tracy 1905-7-5 2205 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 365 Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  JEPS32283  Hesperolinon californicum Willis L. Jepson 1893-6-26 13535 Napa Howell Mt. Napa River Basin Comment
  UC1212455  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4604 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1212522  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4039 Napa w side near creek Chiles Valley (road from Rutherford to Pope Valley); Inner North Coast Ranges 228 Comment
  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
  HSC101500  Hesperolinon californicum Thomas W. Nelson, Jane P. Nelson 1985-5-26 7809 Napa Along Pope and Charles Valley Rd. at milepost 6 Comment
  UCD110495  Hesperolinon californicum Robert E. Preston 1987-6-21 571 Napa ca. 1 1/4 mi se of Devil's Head Peak. 274 Comment
  UCD167294  Hesperolinon californicum Jake Ruygt 2007-5-19 5190 Napa Las Posadas State Forest, ridge between Moore Creek and Uncle John Creek. 414 Comment
  CAS-BOT-BC176057  Hesperolinon clevelandii Catherine Best 1984-4-19 926 Napa Atlas Peak Rd - about 6 miles north of the intersection with Monticello Comment
  CAS-BOT-BC176059  Hesperolinon clevelandii Peter H. Raven 1951-6-10 2941 Napa Crater Region e. of Palisades 762 Comment
  UC1601234  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4645 Napa one mi beyond Aetna Springs (w of mine road, ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  SEINET6691244  Hesperolinon clevelandii K. Brandegee 1911-6-29 113 Napa Butts Canon, near Aetna Comment
  JEPS122878  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 621 Napa Along Knoxville Devilhead Rd. just south of Knoxville Berryessa Rd. at dirt road junction Comment
  JEPS127856  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 622 Napa Along Knoxville Devilhead Rd. south of junction with Knoxville Berrynessa Rd. Comment
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Dec 22 2020
  JEPS32322  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 731 Comment
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Jun 12 2012
  JEPS122779  Hesperolinon drymarioides Jake Ruygt 1998-7-11 4089 Napa Devilhead Road about 1/2 mile south of ranch. QUAD: Knoxville. Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. Comment
  JEPS122795  Hesperolinon micranthum Jake Ruygt 2005-5-14 4840 Napa West side of mouth of Long Canyon. QUAD: Knoxville. Comment
  JEPS32298  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howeel Mountain 396 Comment
  RSA435707  Hesperolinon micranthum Robert Gustafson, Don Reynolds 1983-6-7 2738 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC1212263  Hesperolinon micranthum Helen K. Sharsmith 1952-5-17 4073 Napa road to Rutherford 3 mi e State Route 28; Inner North Coast Ranges, Canyon of Soda Creek 243 Comment
  UC1212276  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4038 Napa above Sage Creek (w side of Chiles Valley); Inner North Coast Ranges, Chiles Valley 259 Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  UC1212412  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4594 Napa nw of Cappell Valley; Inner North Coast Ranges 243 Comment
  JEPS122789  Hesperolinon sharsmithiae Jake Ruygt 2009-6-13 5437 Napa Skyline Park along Chaparral Trail. QUAD: Mount George. Comment
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May 15 2020
  JEPS122790  Hesperolinon sharsmithiae Jake Ruygt 2009-6-22 5446 Napa Near Capell Creek, west of Bear Flat. QUAD: Capell Valley. Comment
  JEPS122776  Hesperolinon spergulinum Jake Ruygt 1988-6-4 2211 Napa Mt. St. Helena above Red Hill. QUAD: Detert Reservoir. Comment
  JEPS122802  Hesperolinon spergulinum Jake Ruygt 2000-6-10 4268 Napa Berryessa-Knoxville Road near Foley Creek. QUAD: Knoxville. Comment
  UC1601204  Hesperolinon spergulinum Helen K. Sharsmith 1951-10-21 4042 Napa 0.5 mi above Aetna Springs (near Aetna Mine); Inner North Coast Ranges 274 Comment
  JEPS32296  Hesperolinon spergulinum W. L. Jepson 1944-7-30 27543 Napa meadow below Four Corners; Howell Mt. Comment
  UC1212394  Hesperolinon spergulinum Helen K. Sharsmith 1959-5-18 4710 Napa n of Aetna Springs (about 1 mi above the hotel); Inner North Coast Ranges 274 Comment
  OBI57141  Heterocodon rariflorum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24512 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  SEINET10939139  Heterocodon rariflorum Willis L. Jepson Jepson 17593 Napa HOWELL MTN. Comment
  SEINET3077394 Image available Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  UCD49138  Heteromeles arbutifolia S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 13 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
  JEPS20392  Heterotheca grandiflora W. L. Jepson 1937-9-29 18574 Napa at sandstone cliffs at bridge over Napa River (on road to St. Helena Sanitarium) Comment
  UC1562555  Heterotheca oregona var. compacta Barbara Ertter with Elizabeth Neese 1988-10-2 7949 Napa ca 15 airmiles nnw Napa (on Conn Creek, below spillway on n side or Rt. 128); North Coast Range, Lake Hennessey, Conn Creek 91 Comment
  JEPS129057  Heterotheca sessiliflora subsp. echioides Jake Ruygt 1987-7-27 2085 Napa Vaca Mountains, on ridge south of Monticello Dam. Monticello Dam 7.5' Quad. Comment
  UC127131  Hoita macrostachya Harley P. Chandler Sep 7 1906-Sep 14 1906 7120 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  UCD75825  Hoita macrostachya Jake Ruygt 2000-6-10 4274 Napa Adams Creek. 445 Comment
  CAS-BOT-BC280702  Holcus lanatus Elsa G. Ruckert 1960-4-29 s.n. Napa 300 yards from 6495 Dry Creek Road 365 Comment
  JEPS71230  Holcus lanatus W. L. Jepson 1936-7-2 17643 Napa Angwin Meadow Howell Mt. (Napa Range); , , Angwin Meadow Comment
  JEPS106636  Holocarpha virgata Jake Ruygt 1987-7-27 2084 Napa .7 miles west of HWY 128 on Monticello Road 256 Comment
  RSA92930  Holodiscus discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya. 488 Comment
  CAS-BOT-BC149996  Holodiscus discolor var. discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya 487 Comment
  CAS-BOT-BC315793  Holozonia filipes Joseph P. Tracy 1938-6-6 15838 Napa Napa Valley, between Napa City and Yountville 30 Comment
  UC89201  Holozonia filipes Brandegee 1888-8-1 Napa Howell Mountain Comment
  CAS-BOT-BC315791  Holozonia filipes Edward Lee Greene 1883-10-1 s.n. Napa Napa Valley Comment
  UCD160786  Hordeum brachyantherum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8666 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  UCD63057  Hordeum brachyantherum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UCD36306  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UCD18013  Hordeum marinum subsp. gussoneanum Ellen Dean; with Plant Biology 102 class 2001-4-28 745 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
  UCD18144  Hordeum marinum subsp. gussoneanum Jean Shepard; with PLB 102 class 2000-4-29 199 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
  JEPS44532  Horkelia californica subsp. dissita Willis L. Jepson 1893-9-24 1214 p Napa Howell Mt.Napa River Basin, Angwin's Meadows Comment
  UC1198714  Horkelia californica subsp. dissita J. P. Tracy 1899-6-14 374 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Moore's Creek Comment
  RSA458220  Hypericum concinnum E. S. Spalding 1924-7-3 s.n. Napa St. Helena Comment
  CHSC114327  Hypericum perforatum D. G. Kelch 2010-4-28 10162 Napa N. Rockville along Suisun Valley Rd. near Napa County Line. 159 Comment
  UCD159530  Hypochaeris radicata D. S. Park 2011-4-11 278 Napa Off Redwood Rd. Residential district. 48 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
  UCD149715  Iris macrosiphon Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  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
  UCD71275  Iris macrosiphon Kook-Hyun Chung 2001-4-28 4 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, shady area in interior live oak woodland; flower cream-yellow, perennial 242 Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  JEPS116565  Isoetes nuttallii Jake Ruygt 1995-5-8 3464 Napa Abut 2 miles SE of Sage Canyon Road from boat dock. Yountville 7.5' Quad. Comment
  RSA170232  Isoetes nuttallii Joseph P. Tracy 1950-5-23 18659 Napa La Jota Plateau, on hills at head of Moore s Creek, 5 miles east of Angwin s, Howell Mountain. 518 Comment
  UC1239793  Isoetes nuttallii Joseph P. Tracy 1933-4-30 12113 Napa 3 - 4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt, La Jota Plateau 518 Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 Comment
  SEINET13942237 Image available Juglans hindsii C. B. Wolf, B. D. Stark 5514 Napa Skally Ranch at head of Gordon Valley, below Lake Curry Dam. 500 ft. 152 Comment
  JEPS66906  Juncus balticus W. L. Jepson Jun 23 1918-Jun 24 1918 7664 Napa Calistoga Comment
  UCD83861  Juncus balticus subsp. ater Ellen Dean; Stephen Rae 2010-3-15 5819 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  JEPS126038  Juncus bolanderi Jake Ruygt 1992-8-31 3137 Napa Between Mitten Lake and Leoma Lakes, Wilde Horse Valley Ran. Mount George 7.5' Quad. Comment
  UC1601694  Juncus bufonius Ferd. L. Clarke 1892-1 Napa near Yountville Comment
  UCR227901  Juncus bufonius Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 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
  JEPS126052  Juncus dubius Jake Ruygt 2010-6-26 5658 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  UCD166700  Juncus dubius Jake Ruygt 2010-5-31 5580 Napa Mead Ranch, in large meadow with vernal pools. 481 Comment
  UC127473  Juncus effusus var. pacificus Harley P. Chandler Sep 7 1906-Sep 14 1906 7103 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC1103673  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1902-5-21 1611 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCD147527  Juncus hemiendytus var. hemiendytus Ellen Dean; Diana Hickson 2014-4-29 8082 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS126056  Juncus kelloggii Jake Ruygt 2005-4-30 4802 Napa Skyline Park, Marie Creek Trail. Mount George 7.5' Quad. Comment
  JEPS67097  Juncus occidentalis Willis L. Jepson 1894-5-1 40 a Napa Upper Conn Valley Napa River Basin Comment
  JEPS67098  Juncus occidentalis W. L. Jepson 1891-5-1 40 b Napa Upper Conn Valley Comment
  JEPS122658  Juncus oxymeris Jake Ruygt 1991-6-29 2739 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  RSA368101  Juncus oxymeris Robert Gustafson, Don Reynolds 1983-6-7 2734 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UCD20744  Juncus patens Ellen Dean; w/ Mark Bibbo 2002-6-17 1105 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 182 Comment
  UCD20537  Keckiella breviflora var. glabrisepala E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1077 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  JEPS110641  Keckiella lemmonii Jake Ruygt 1979-6-18 714 Napa Snell Valley at Snell Creek bridge 146 Comment
  UC185352  Keckiella lemmonii Katharine Brandegee 1910-7-27 Napa Angwin's; Napa Range, Howell Mt. Comment
  UCD123773  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 miles from Winters, on road to Monticello. Comment
  RSA475215  Kickxia elatine Aaron Liston, Sara Meury 1987-6-6 676 -1 Napa Bothe - Napa Valley State Park. 150 Comment
  UC1714642  Kickxia spuria Ethel Crum 1931-12-6 1310 Napa 5 mi e Rutherford (Conn Creek); Napa Valley, Conn Creek Comment
  JEPS76122  Koeleria macrantha W. L. Jepson 1938-6-8 18896 Napa South Fork Butts Creek Butts Canyon; , South Fork Butts Creek Comment
  UCD160802  Koeleria macrantha Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8682 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD170427  Koeleria macrantha Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-4-17 902 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 420 Comment
  CHSC103003  Lactuca serriola Lowell Ahart 2009-10-12 16426 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
  CAS-BOT-BC340516  Lactuca serriola Lise Thomsen 1988-8-23 s.n. Napa 1.8 mi. west of intersection of Hwy 29 & Redwood Rd. Comment
  CDA18932  Lactuca virosa Butler, Dannenberg 2000-8-1 PDR 023555 Napa Napa Valley; Along Langtree Road, St. Helena. 0 Comment
  CAS-BOT-BC26056  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa bridge over Pope Creek, just south of Walters Spring Comment
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Mar 3 2018
  NY180446  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring Comment
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Nov 25 2013
  CAS-BOT-BC341425  Lagophylla minor John Thomas Howell 1939-4-30 14631 Napa Walter Springs Comment
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC341430  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canon [Canyon] Comment
  CAS-BOT-BC341556  Lagophylla ramosissima Rimo Bacigalupi 1928-6-20 1868 Napa Howell Mt. 10 miles west of St. Helena Comment
  CAS-BOT-BC341558  Lagophylla ramosissima L. R. Abrams 1916-7-2 5760 Napa Near St. Helena Sanitarium Comment
  SD8628  Lagophylla ramosissima Daniel Cleveland Sep 1882 Napa Aetna Springs Comment
  JEPS106651  Lagophylla ramosissima subsp. ramosissima Jake Ruygt 1992-6-24 3053 Napa Tuteur Ranch, end of Green Valley Rd. 274 Comment
  UCD124931  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa near St. Helena. Comment
  CAS-BOT-BC295370  Lasthenia californica R. C. Wenk; E. S. Wenk 2006-4-30 436 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  CAS-BOT-BC338263  Lasthenia californica David D. Keck 1931-4-2 1007 Napa Foot of Wooden Valley grade, 4 miles NE. of Napa 50 Comment
  JEPS10172  Lasthenia californica subsp. californica Willis L. Jepson 1893-4-24 Napa e St. Helena Comment
  CAS-BOT-BC355483  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  RSA181912  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga. Comment
  JEPS126083  Lathyrus cicera Jake Ruygt 1994-4-26 3354 Napa Pope Valley north of Barnett Road. Aetna Springs 7.5' Qua. Comment
  JEPS107199  Lathyrus jepsonii subsp. californicus Jake Ruygt 1990-5-28 2567 Napa end of Tamalpias St.,Napa 15 Comment
  UCD106330  Lathyrus jepsonii var. californicus J. Watsonii 1941-5-1 s.n. Napa Monticello - Napa Road. Comment
  JEPS55293  Lathyrus torreyi W. L. Jepson 1897-5-2 13626 Napa sw of Calistoga (Rebecca Ranch grade); Hood Peak Range, Upper Napa Valley Comment
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. 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
  UCSB3115  Lathyrus vestitus Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  RSA633298  Lathyrus vestitus subsp. vestitus Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8166 Napa Along Rt. 128 at road marker 24/80 Comment
  JEPS55382  Lathyrus vestitus var. vestitus W. L. Jepson 1924-4-24 10370 Napa Toll House Mt. St. Helena Comment
  UCD48893  Lathyrus vestitus var. vestitus C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, approx. 260' W of jct with West Rd., S side of trail, approx. 10' from trail. 152 Comment
  CAS-BOT-BC323189  Layia chrysanthemoides John Thomas Howell 1931-4-2 6104 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  UCD161779  Layia chrysanthemoides Jake Ruygt 1998-4-22 3929 Napa Berryessa-Knoxville Road about 3/4 mile south of Knoxville. 316 Comment
  CAS-BOT-BC321716  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  SBBG8517  Layia gaillardioides H. and M. Dearing 1939-4-28 3220 Napa near Fairfax Comment
  SEINET7042785  Layia platyglossa A. G. Vestal 1962-4-12 s.n. Napa Butts Canyon Road , 8.3 miles southeast of Route 53. Butts Canyon. Aetna Springs quadrangle UTM Zone 10, 547380mE, 4283517mN. Comment
  JEPS82340  Legenere limosa Robert F. Holland 1983-5-21 1230 Napa vernal pools a few hundred feet e Routes 12 and 29 (about 3.9 mi s of Route 121, about 1000 ft n of Suscol Creek) 30 Comment
  RSA92952  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma county line 244 Comment
  UC1124476  Lepechinia calycina A. Lewis 1932-5-19 102 Napa Sarco Creek 182 Comment
  UC419737  Lepechinia calycina H. P. Bracelin 1930-7-13 27 Napa S slope of Mt St. Helena Comment
  UCD16050  Lepidium chalepense C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 23 Napa McLaughlin Reserve., North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 6-9 dm tall, flowers white. Comment
  JEPS106833  Lepidium latifolium Jake Ruygt 1994-6-17 3404 Napa Fagan Slough 1 Comment
  UCD17994  Lepidium nitidum Ellen Dean; with Plant Biology 102 class 2001-4-14 720 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Rd. at junction with South Decker Canyon Rd. 365 Comment
  POM272870  Lepidium nitidum Lyman Benson 1931-2-26 2598 Napa Slopes near the hwy summit; Mt St Helena. N of Calistoga. Mayacamas Mtn Range; Napa watershed. 549 Comment
  JEPS106790  Lepidium nitidum var. nitidum Jake Ruygt 1978-3-8 231 Napa north of the east end of Westgate Drive, Silverado Country Cl. 121 Comment
  CAS-BOT-BC12790  Lepidium perfoliatum J. W. Stacey 1931-4-4 s.n. Napa Near Vallejo. Comment
  UCD164745  Lepidium strictum Jake Ruygt 2014-6-7 5980 Napa Livermore Ranch, Montesol. 735 Comment
  UCD74398  Lepidium strictum Jake Ruygt 1979-4-20 530 Napa Edgerley Island. 1 Comment
  RSA115540  Leptosiphon acicularis Beecher Crampton 1957-6-4 s.n. Napa Above Capell Creek, north end Capell Valley Comment
  RSA10695  Leptosiphon androsaceus C. B. Wolf 1928-5-3 1792 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA468547  Leptosiphon androsaceus J. T. Howell 1931-4-19 6441 Napa Conn Valley. Comment
  UCD118594  Leptosiphon androsaceus L. P. Thibault 1995-5-21 51 Napa growing on south side of Highway 128, about 3 miles west of Wragg Canyon Road. 250 Comment
  UCD118599  Leptosiphon androsaceus M. Wiesendanger 1928-4-6 884 Napa Redwood Highway between Calpella and Willits. Comment
  UCD149632  Leptosiphon androsaceus Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD13133  Leptosiphon androsaceus Etienne and Laurie Oleksiewicz 1981-4-22 19 Napa Napa CO. State Highway 128, 1.8 miles west of Monticello Dam; west facing slope. Comment
  POM146397  Leptosiphon aureus A. A. Heller 1924-4-12 I- 3850 Napa Hot springs at Calistoga 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
  UCD49210  Leptosiphon bicolor K. Mogel; B. Pekin and M. Higley 2002-5-4 13 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; below the point at Quail Ridge at the jct of the lower and upper roads. 259 Comment
  POM254176  Leptosiphon ciliatus M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UCD167232  Leptosiphon ciliatus Jake Ruygt 2000-5-6 4239 Napa Jericho Canyon, Lawley Toll Road. 320 Comment
  UCD103881  Leptosiphon jepsonii Joel Smith 2011-6-16 s.n. Napa Wantrup Road Wildlife Sanctuary, on primary road, 1.3 km W of Hardin Rd. and 60 m N of a vernal pool. 256 Comment
  CHSC83406  Leptosiphon latisectus L. P. Janeway; B. Castro 2002-5-12 7540 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  UCD160642  Leptosiphon parviflorus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8731 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD20820  Leptosiphon parviflorus N. Nicola 2001-3-29 036 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  CAS-BOT-BC324167  Lessingia hololeuca John Thomas Howell 1927-9-10 3098 Napa Near Callistoga 213 Comment
  CAS-BOT-BC324169  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa 2 miles north of Calistoga, Napa Valley Comment
  JEPS20606  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa about 4 mi n of Calistoga Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  UC1287463  Lessingia ramulosa Willard Spence 1962-7-20 719 Napa 2 mi nw Pope Valley (on the road to Aetna Springs) Comment
  UCD132704  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UC33170  Lessingia ramulosa Willis L. Jepson 1893-9-24 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC444417  Lewisia rediviva Milo S. Baker; Alice Griffin 1926-3-30 168 Son Ser. Napa The Crater, Mt St Helena Comment
  CAS-BOT-BC444419  Lewisia rediviva Colleena Stewart 1918-4-29 s.n. Napa Mt. St. Helena Comment
  JEPS76054  Leymus triticoides W. L. Jepson 1937-7-16 18451 Napa Oakville Napa Valley Comment
  UC1103518  Lilaea scilloides J. P. Tracy 1903-5-16 1850 Napa near Calistoga; San Francisco Bay Region 91 Comment
  JEPS89888  Lilaeopsis masonii Dean Wm. Taylor with Glenn L. Clifton 1990-5-30 10815 Napa Napa R. in Napa, ca. 150 meters downstream of Third St. bridge, on west bank. Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 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
  JEPS110960  Linanthus androsaceus Jake Ruygt 1979-4-29 559 Napa .4 miles west of HWY 29 on Kortum Canyon Rd. 182 Comment
  SEINET5732161 Image available Linanthus androsaceus Peta Lewis 1967-1 17 Napa Across from Monticello Dam, on State Highway 128.; Monticello Dam Comment
  UC23363  Linanthus androsaceus Willis L. Jepson 1893-4-28 Napa trail to Caux's Cabin Napa River Basin Comment
  UC907830  Linanthus androsaceus P. B. Kennedy 1929-5-23 Napa e side Howell Mountain; Moore Creek Comment
  UCD15044  Linanthus bicolor Jonathan M. Irvine 1977-4-16 104 Napa California, Napa Co.; along Highway 128, 6.4 miles SSW of Monticello Dam; Comment
  UC23460  Linanthus ciliatus W. L. Jepson 1893-5-9 Napa w of Rutherford Comment
  JEPS58393  Linanthus dichotomus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UC963942  Linanthus dichotomus R. F. Hoover 1941-4-26 4916 Napa between Samuel Springs and Walter Springs; Pope Creek Comment
  JEPS111461 Image available Linanthus dichotomus subsp. meridianus Sally Chess 2003-4-22 112 Napa Robert Louis Stevenson State Park. Comment
  UCD118642  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa 1/4 mile E of mail boxes on road to M and M Ranch, middle Snell Valley. Comment
  NY76910  Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km west of Hardin Road, and 60 m. north of vernal pool Comment
  JEPS110970  Linanthus parviflorus Jake Ruygt 1996-4-6 3556 Napa near ridgetop, south of Rector Dam. 146 Comment
  JEPS110985  Linanthus parviflorus Jake Ruygt 1996-4-10 3576 Napa Soda Spring, White Cliff Springs 396 Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  CDA40092  Linanthus parviflorus T. C. Fuller 1958-5-1 3720 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  JEPS58099  Linanthus parviflorus W. L. Jepson 1893-4-28 20938 Napa ne of Napa (Wooden Valley, grade near w base Napa Range); Napa Valley Range, Wooden Valley Comment
  JEPS110999  Linanthus pygmaeus subsp. continentalis Jake Ruygt 1996-4-12 3603 Napa Blue Ridge, north of Monticello Dam. 621 Comment
  UC1135273  Lithocarpus densiflorus R. W. Lundh 1933-7-14 256 Napa 0.5 mi ne McCormack Ranch; Napa Quad. 426 Comment
  SFV8647  Lithophragma affine P. W. Fong 1971-5-1 57 Napa McDonald Ranch, about 20 miles northwest of intersection of State Highways 121 and 128 on Chiles Valley Road. North facing slope near top of small hill. 244 Comment
  CAS-BOT-BC430627  Lithophragma affine E. Ruckert 1928-5-3 101 Napa 6495 Dry creek Road, upper meadow southwest of road leading in from county road 411 Comment
  CAS-BOT-BC435615  Lithophragma heterophyllum Carl B. Wolf 1928-5-3 1826 Napa Base of Mt. St. Helena Comment
  JEPS47658  Lithophragma heterophyllum W. L. Jepson 1910-3-28 4018 Napa sw Calistoga (Rebecca ranch grade); sw of Calistoga Comment
  RSA789041  Lithophragma heterophyllum Carrie A. Herd 1982-5-9 97 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  UC570869  Lithophragma heterophyllum Herbert L. Mason 1926-3-14 2721 Napa Old Toll road sw side Mt. St. Helena; sw side of Mt. St. Helena Comment
  UCD20028  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1210 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  CAS-BOT-BC60179  Lobularia maritima Peter H. Raven 1951-5-6 2831 Napa Saint Helena. 91 Comment
  JEPS84596  Logfia filaginoides John W. Willoughby 1977-4-20 2141 Napa w side of range Vaca Mountains (latitude approximately that of Mount Vaca) 457 Comment
  UC796477  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa along old toll road between Calistoga and Middletown (1.5 mi from Calistoga) Comment
  CAS-BOT-BC342439  Logfia gallica John H. Thomas 1955-5-21 5180 F Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS20918  Logfia gallica W. L. Jepson 1896-6-2 Napa St. Helena Comment
  JEPS84597  Logfia gallica John W. Willoughby 1977-4-20 2146 Napa w side of range The Vaca Mountains (lattitude approximately that of Mount Vaca) 457 Comment
  CAS-BOT-BC342437  Logfia gallica James McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  SEINET13944733 Image available Lomatium Joseph Andorfer Ewan 1934-1 8836 Napa Local on bank alone creek bed. Steel Canyon 8 m. s. of Monticello. Comment
  JEPS104544  Lomatium californicum Jake Ruygt 1994-3-26 3334 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 79 Comment
  UCD127614  Lomatium californicum M. Wiesendanger 1927-5-4 703 Napa Monticello, Napa Road. Comment
  UCSC000522  Lomatium californicum M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CDA11900  Lomatium dasycarpum G. F. Hrusa, G. L. Stebbins 1994-4-8 11720 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  RSA452088  Lomatium dasycarpum subsp. dasycarpum Joseph A. Ewan 1934-4-30 8829 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  JEPS122701  Lomatium dasycarpum var. dasycarpum Jake Ruygt 2004-5-3 4588 Napa About 0.3 mile east of Butts Canyon Road on Snell Valley Road. Quad: Aetna Springs. Comment
  UCD18027  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 573 b 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
  UCD18069  Lomatium hooveri Ellen Dean; with Plant Biology 102 class 2000-4-22 624 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  JEPS104569  Lomatium macrocarpum Jake Ruygt 1986-5-17 1766 Napa American Canyon, .4 mile east of Flosden Road 106 Comment
  SD58377  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills, Napa Range Comment
  UC517964  Lomatium marginatum var. purpureum John Thomas Howell 1931-4-3 6148 Napa Butts Valley Rd. to Middletown 5 mi. from Aetna Springs Comment
  UC647527  Lomatium marginatum var. purpureum Joseph P. Tracy 1938-6-5 15832 Napa 5 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 396 Comment
  UCD160637  Lomatium marginatum var. purpureum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8729 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  JEPS13744  Lomatium marginatum var. purpureum Frank W. Gould 1939-4-6 613 Napa one mi N of Knoxville Comment
  SBBG5213  Lomatium nudicaule H. and M. Dearing 1939-5-1 3252 Napa Spring Mtn Grade Comment
  UC21241  Lomatium nudicaule Willis L. Jepson 1894-5-1 Napa Napa R. Basin, Conn Valley Comment
  LA202884  Lomatium repostum Lincoln Constance; J. F. Davidson, W. H. Wagner, Ren Hwa. Shan 1946-5-18 3048 Napa Mount Saint Helena, SE slope of Mount Saint Helena, near the old inn Comment
  POM180785  Lomatium repostum J. T. Howell 1930-7-13 5358 Napa On the edge of the Crater Country Comment
  RSA42338  Lomatium repostum Lincoln Constance, Davidson, Wagner, Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  UCD148112  Lomatium repostum Jake Ruygt 1979-5-6 584 Napa Mt. St. Helena. 792 Comment
  UCD160296  Lomatium repostum James A. Neilson Jr. 1975-5-17 3193 Napa Robert Louis Stevenson State Park, 2/3 of the way along road to summit of Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  JEPS104553  Lomatium utriculatum Jake Ruygt 1989-5-9 2319 Napa American Canyom, Avilla Ranch 121 Comment
  UC173178  Lomatium utriculatum Katharine Brandegee 1909-6-1 Napa summit Pope Valley Grade Comment
  UCD148552  Lomatium utriculatum Jake Ruygt 1997-4-8 3825 Napa Napa County. East end of Taplin Road; Heitz Cellars. 106 Comment
  SEINET5744663 Image available Lomatium utriculatum Carl Luhn 1960-1 30 Napa State Hwy 128, 0.25 mile S of junction with Wragg Canyon Road and ca. 5 miles SW of Monticello Dam.; Monticello Dam Comment
  UC176034  Lomatium utriculatum H. P. Chandler 1907-5-19 7574 Napa St. Helena, White Sulphur Spring Comment
  JEPS12842  Lonicera hispidula var. vacillans Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Napa Range Comment
  JEPS12850  Lonicera hispidula var. vacillans W. L. Jepson 1898-1-4 Napa Howell Mountain Comment
  UC1536786  Lonicera hispidula var. vacillans G. H. True 1937-6-21 733 Napa near Lokoya Lodge 365 Comment
  UC28534  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin 853 Comment
  UCD137340  Lonicera interrupta E. F. Beukman 1964-5-8 33 Napa State Highway 128, 3 miles southwest of Monticello Dam. Comment
  UCD23430  Lotus humistratus Fumi Takeda 1977-4-16 24 Napa Yellow petals, stems branching from base, tap root slender. Foothill woodland, open meadow adjacent to Hwy 128. 6.4 miles southwest from Monticello Dam. 182 Comment
  RSA617140  Lotus micranthus A. C. Sanders 1996-6-1 18193 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  UCR91213  Lotus micranthus A. C. Sanders 1996-6-1 18193 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  SEINET3694609 Image available Lotus micranthus W. L. Jepson 1893-4-24 13787 Napa Howell Mountain grade, E of town of St. Helena, Napa River Basin Comment
  JEPS110687  Ludwigia palustris Jake Ruygt 1992-8-31 3133 Napa Wild Horse Valley Ranch, Leoma Lakes 405 Comment
  UCD78329  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-9-14 05- 20 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 99 Comment
Read comments
Oct 2 2009
  UC1197264  Lupinus affinis Joseph P. Tracy 1902-5-21 1567 Napa 3-4 mi E of Angwin's ( on hills at head of Moore's Creek); Howell Mountain 365 Comment
  UC157020  Lupinus albifrons Joseph P. Tracy 1902-5-21 1568 Napa on hills at head of Moore's Creek (Howell Mountain, 3-4 mi e of Angwin's); Northern Coast Ranges, , Howell Mt. 365 Comment
  CAS-BOT-BC201553  Lupinus albifrons var. albifrons A. A. Heller 1940-5-6 L 5587 Napa East side of Mt. St. Helena just below the summit crossing of State Highway #29 Comment
  CAS-BOT-BC201560  Lupinus albifrons var. albifrons Gilbert Muth 1967-4-9 617 Napa Oat HIll 548 Comment
  RSA51237  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-5 1751 Napa Wooden Valley Grade above Napa. 457 Comment
  CAS-BOT-BC196280  Lupinus albifrons var. eminens Arno H. Wilson 1921-4-8 s.n. Napa Atlas Comment
  JEPS107232  Lupinus bicolor Jake Ruygt 1983-4-2 1402 Napa east end Green Valley Rd. 243 Comment
  JEPS107236  Lupinus bicolor Jake Ruygt 1996-4-6 3557 Napa near southeast end of Rector Reservoir. 134 Comment
  UCD38820  Lupinus bicolor Beecher Crampton 1958-4-29 4758 Napa Capell Valley. Comment
  POM181010  Lupinus densiflorus var. densiflorus Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley. 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
  POM10765  Lupinus latifolius subsp. latifolius C. F. Baker 1903-4-20 2623 Napa Mt. St. Helena. Comment
  SEINET10490794  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 Jones UMO 71601 Napa Comment
  UCD70472  Lupinus microcarpus P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, off hwy 128. Rocky hillside. Herbs; flowers yellow. 73 Comment
  OBI48331  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  RSA659034  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa Ca 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  UCD38314  Lupinus microcarpus var. densiflorus Beecher Crampton 1954-5-6 1833 Napa Hwy. 37, 9 miles south of Monticello. Comment
  UCD47990  Lupinus microcarpus var. microcarpus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-29 19 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  CDA11320  Lupinus nanus G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12026 Napa UC Quail Ridge Reserve, at entrance gate. Comment
  SDSU21300  Lupinus nanus Michael S. Armstrong 2015-4-1 4 Napa Open field along CA-29 in St. Helena. East side of road about 200 feet from the roadway. 76 Comment
  UC156988  Lupinus nanus Joseph P. Tracy 1903-5-15 1847 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD48962  Lupinus nanus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 15 Napa SW end of Lake Berryessa, Quail Ridge Reserve, above stream that runs along North Decker Canyon Rd., 50-70 ft. N of stream. 167 Comment
  SEINET8056980  Lupinus nanus K. Suhr 1967-3-24 s.n. Napa Steele Park Resort, south shore of Lake Berryessa. Comment
  UCD161618  Lupinus nanus Jake Ruygt 2004-4-17 4586 Napa Big Ranch Road about 1/4 mile south of El Centro Avenue, Napa. 16 Comment
  SEINET11091434 Image available Lupinus nanus var. apricus Ilsa M. Schmelzinger 1971-5-1 15 Napa McDonald Ranch, 11.2 miiles north-west of junction of Highway 128 and Chiles Road Comment
  JEPS65412  Lupinus pachylobus Edw. L. Greene 1892-1 Napa Mt. St. Helena Comment
  POM125418  Lupinus sericatus Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  SBBG3708  Lupinus sericatus H. and M. Dearing 1939-5-5 3276 Napa Mt Saint Helena Comment
  SEINET12165201  Lupinus sericatus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -304 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  JEPS126059  Luzula comosa var. comosa Jake Ruygt 2010-6-21 5643 Napa Van Ness Canyon near Bear Valley. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC231455  Lycium barbarum Peter H. Raven 1951-8-22 3885 Napa Napa 45 Comment
  JEPS45952  Lythrum hyssopifolia W. L. Jepson 1894-11-7 14092 Napa Napa Comment
  UCD19326  Lythrum hyssopifolia M. A. Bibbo; E. Dean 2001-7-6 18 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  CAS-BOT-BC343826  Madia elegans Peter H. Raven 1951-6-10 s.n. Napa Rt. #29 north of Calistoga 152 Comment
  JEPS106547  Madia exigua Jake Ruygt 1980-5-24 899 Napa Kortum Canyon Rd. 243 Comment
  UCD38571  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mtns., Markley Canyon, along new road from Monticello Dam to Napa. Comment
  UCD48581  Madia exigua Kook-Hyun Chung; M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft.) 'as the crow flies' NW of jct. with S. Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 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
  UCD48579  Madia gracilis K. Mogel; B. Pekin and M. Higley 2002-5-4 5 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East raods; ca. 100 ft along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  UCD63149  Madia gracilis Jake Ruygt 2003-4-14 4498 Napa Lower hills of Blue Ridge east of Zim-Zim Creek. 365 Comment
  CAS-BOT-BC343202  Madia gracilis J. Clausen 1935-5-22 1071 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  JEPS40330  Madia gracilis Willis L. Jepson 1894-5-1 Napa e of St. Helena; Napa River Basin Comment
  UCD135663  Madia gracilis Bruce G. Baldwin 1986-4-28 601 Napa 3.3 miles west of junction with Lower Chilies Valley Road along California State Highway 128. Comment
  CAS-BOT-BC8139  Madia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  NY214974  Madia hallii H. M. Hall 1931-5-27 13094 Napa Near Knoxville, northeastern Napa County. Comment
  POM53357  Madia nutans W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin, Wooden Valley Grade Comment
  JEPS40221  Madia sativa Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC345046  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  CAS-BOT-BC345048  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  CAS-BOT-BC539355  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Hwy 29 near Paoli Loop Road, American Canyon 19 Comment
  JEPS40404  Madia sativa W. L. Jepson 1904-6-3 2437 Napa 1 to 2 mi from Stone Bridge (St. Helena to Howell Mt.) Comment
  UC33194  Madia sativa Willis L. Jepson 1894-5-1 Napa hills e St. Helena; Napa River Basin Comment
  RSA51298  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1732 Napa Wooden Valley grade above Napa 305 Comment
  RSA434859  Malacothamnus helleri Peter H. Raven 1965-5-15 20205 Napa On divide between Zim Zim Creek and Nevada Creek, 5 miles SSE of Knoxville 396 Comment
  UCD37682  Malacothrix Beecher Crampton 1961-6-12 5899 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  CAS-BOT-BC347515  Malacothrix floccifera R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6677 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  JEPS129034  Malacothrix floccifera Jake Ruygt 2016-5-14 6255 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UC194452  Malacothrix floccifera C. F. Sonne 1897-4-1 Napa Sulphur Springs St. Helena Comment
  JEPS122762  Malva sylvestris Jake Ruygt 2010-3-4 5476 Napa Highway 29 near Napa Junction Road. Quad: Cuttings Wharf. 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
  SEINET8891122 Image available Matricaria discoidea Alex Lasseigne 2003-1 13730 Napa Vicinity of Oakfield grocery store.; Oakville Comment
  CAS-BOT-BC269418  Melica californica John Thomas Howell 1931-4-3 6123 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  CDA10875  Melica californica G. F. Hrusa, M. Rejmanek 1993-5-15 10970 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD18005  Melica californica Ellen Dean; with Plant Biology 102 class 2001-4-28 737 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
  UCD87208  Melica californica J. Street 1950-1 s.n. Napa 4 mi. E of Rutherford. Comment
  UCR212329  Melica californica 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
  SEINET5322427  Melica californica M. Mooney 1982-4-17 452 Napa Stebbins-Cold Canyon Nature Preserve, south of dam at Lake Berryessa 91 Comment
  NY1088729  Melica californica var. californica D. K. Christopher 2003-4-11 144 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through the canyon to old homesite foundation. 166 Comment
Read comments
May 8 2010
  CAS-BOT-BC282166  Melica geyeri J. P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles E of Angwin's 396 Comment
  HSC93592  Melica geyeri G. Fred Hrusa, M. Tu 1995-5-6 12159 Napa Along Moores Creek in La Posadas State Forest, along slope above creek. 152 Comment
  UC1112206  Melica geyeri Peter H. Raven 1957-5-5 10757 Napa hills at w edge Calistoga Comment
  UCD121128  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 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
  UCD96193  Melica geyeri Ellen Dean; with Clare Loughran 2011-5-20 7074 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  SEINET4671608  Melica geyeri W. Boyle 1942-4-25 1072 Napa Along the Silverado Trail Road 7 miles south of Calistoga Comment
  CAS-BOT-BC264217  Melica torreyana Peter H. Raven 1964-5-9 19074 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC264219  Melica torreyana Carl B. Wolf 1928-5-3 1812 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC264221  Melica torreyana David D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC264223  Melica torreyana John Thomas Howell 1931-4-2 6079 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  JEPS76084  Melica torreyana W. L. Jepson 1938-5-22 18813 Napa Pope Valley; Limekiln Creek Canyon Comment
  POM182793  Melica torreyana D. D. Keck 1931-4-2 1034 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  RSA10131  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 396 Comment
  UC1103165  Melica torreyana J. P. Tracy 1902-5-22 1628 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 365 Comment
  UCD38823  Melica torreyana Beecher Crampton 1958-4-29 4756 Napa Capell Creeks. Comment
  UCD73402  Melica torreyana 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
  JEPS129138  Melilotus indicus Jake Ruygt 1977-5-10 221 Napa Southwest corner of Suscol Avenue and Trancas Street. Napa 7.5' Quad. Comment
  UCD48030  Melilotus indicus Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 12 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS120371  Mentha alopecuroides Jake Ruygt 1989-9-25 2408 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC428854  Micranthes californica C. B. Wolf 1928-2-25 1496 Napa Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  UCD170200  Micranthes californica Daniel Potter 2015-3-14 757 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 241 Comment
  CAS-BOT-BC348544  Micropus californicus var. californicus Peter H. Raven 1953-5-2 5374 Napa Hills due e. of Yountville 152 Comment
  JEPS106897  Micropus californicus var. californicus Jake Ruygt 1979-4-21 533 Napa east of east end Westgate Dr.,Napa 121 Comment
  UCD134509  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Zim Zim Creek, around 1/2 mile west of Devilhead Road, and around 3 miles south - southwest of Knoxville. Comment
  UC164798  Micropus californicus var. californicus Joseph P. Tracy 1902-5-26 1636 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UC35584  Micropus californicus var. californicus W. L. Jepson 1893-4-26 Napa hills near Yountville Comment
  CAS-BOT-BC348680  Microseris acuminata Peter H. Raven 1953-4-2 5237 Napa Hills e. of Imola 121 Comment
  UC50010  Microseris acuminata Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  CAS-BOT-BC348972  Microseris douglasii subsp. douglasii Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5337 Napa Pope Creek e. of Samuels Springs 91 Comment
  UCD121175  Microseris douglasii subsp. douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7355 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
  POM41560  Microseris douglasii subsp. tenella Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA195379  Microseris lindleyi Gilbert Muth 1967-4-16 635 Napa Snell Valley. 183 Comment
  UCD63151  Microseris sylvatica Jake Ruygt 1998-4-27 3936 Napa 1/2 mile south of Knoxville Rd, east of Berryessa-Knox. Rd. 426 Comment
  UCD18046  Microsteris gracilis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 597 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  CDA41679  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  JEPS110750  Mimulus angustatus Jake Ruygt 1979-5-19 607 Napa Giles Meade Ranch, Atlas Peak Rd. 487 Comment
  UC147894  Mimulus angustatus J. P. Tracy 1902-5-18 1536 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC26855  Mimulus angustatus W. L. Jepson 1893-4-28 Napa plateau n Mt. George; Napa Range Comment
  UCD13200  Mimulus aurantiacus Charles Martin 1986-4-20 1 Napa 3 mi W of Monticello Dam along hwy 128. 304 Comment
  UCD14919  Mimulus aurantiacus Robert Giorgis 1977-4-17 11 Napa California, Napa Co.; 20 meters northwest of Highway 128, 1 mi. west of Monticello Dam; Comment
  JEPS15186  Mimulus aurantiacus var. aurantiacus H. E. Malmoten 1923-4-20 65 Napa 182 Comment
  RSA293488  Mimulus aurantiacus var. aurantiacus John Dourley 1979-07 1856 Napa Wooden Valley Rd., north-east of Napa Comment
  UC445123  Mimulus aurantiacus var. aurantiacus C. F. Sonne April 1887 604 Napa near Vallejo; White Sulphur Springs Comment
  UC796465  Mimulus aurantiacus var. aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa about 1.5 mi from Calistoga (along old toll road between Calistoga and Middletown) 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
  JEPS11027  Mimulus guttatus W. L. Jepson 1893-4-25 28 m Napa w St. Helena (trail to Caux's Cabin); Hood's Peak Range 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
  UC26858  Mimulus guttatus Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  SEINET8733203 Image available Mimulus guttatus Laura Zeller 1965-1 28 Napa Ca. 2.5 miles NE of Pope Valley Road and Pope Canyon Road junction on Pope Valley Road. Elevation ca. 700 feet. 213 Comment
  JEPS110612  Mimulus inodorus Jake Ruygt 2005-5-25 4865 Napa Munson Ranch, E end of Circle Oaks, Ridgecrest Drive 438 Comment
  RSA309393  Mimulus latidens W. L. Jepson 1893-4-27 31 Napa Lower Napa Valley, Napa River Basin. Comment
  UCD169782  Mimulus layneae Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 790 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCD63858  Mimulus layneae Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCD96138  Mimulus layneae Dena Grossenbacher; Brian Green 2008-5-7 821 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  JEPS11436  Mimulus microphyllus W. L. Jepson 1921-5-6 9168 Napa Yountville 30 Comment
  JEPS11437  Mimulus microphyllus W. L. Jepson 1921-5-6 9173 Napa Yountville 30 Comment
  UCD160788  Mimulus microphyllus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8668 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD48232  Mimulus microphyllus Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 2 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD96585  Mimulus microphyllus Dena Grossenbacher; Brian Green 2008-5-29 852 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  JEPS11359  Mimulus nasutus Jepson 1893-5-1 13 m Napa near Calistoga; Upper Napa Valley Comment
  JEPS82744  Mimulus nudatus L. R. Heckard and J. C. Hickman 1984-4-6 6148 Napa se Lake County line (Butts Canyon road); Butts Creek Comment
  UC1196778  Mimulus pulsiferae J. P. Tracy 1902-5-19 1566 Napa 3-4 mi e Angwin's (in stream bed); Howell Mountain, La Jota Plateau, head of Moore's Creek 518 Comment
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  UC1778537  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa Vernal pool 15 meters E of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine site.Lat corrected from 35 426 Comment
  JEPS106745  Minuartia californica Jake Ruygt 1978-3-12 242 Napa .8 miles northeast of Buuts Canyon Rd. on Snell Valley Rd. 185 Comment
  UCD98253  Minuartia californica R. F. Denno 1967-4-15 45 Napa on Lower Chiles Valley Road, 3/4 mile northwest of State Highway 128. 228 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
  UCD161643  Minuartia douglasii Jake Ruygt 2005-5-11 4839 Napa south of Bear Valley. (Coordinates converted from UTM data by label maker.) 655 Comment
  JEPS22490  Minuartia douglasii Willis L. Jepson 1893-4-25 Napa tril to Canx's<?> Cabin Napa River Basin Comment
  POM216216  Minuartia douglasii D. D. Keck 1933-5-29 2346 Napa Pope Creek bridge south of Walters Springs; south wall of Pope Creek Canyon. Comment
  CHSC102257  Mollugo verticillata Lowell Ahart 2009-10-27 16499 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
  POM194200  Monardella villosa subsp. villosa J. T. Howell 1929-5-30 4270 Napa Pope Valley Creek near Samuels Springs, Napa Range. Comment
  CAS-BOT-BC220690  Monardella viridis Elizabeth McClintock 1952-8-31 52 -602 Napa About 4 miles north of Aetna Springs, in Butts Canyon Comment
  CAS-BOT-BC220694  Monardella viridis Peter H. Raven 1951-8-21 3874 Napa Mt. Veeder 762 Comment
  LA54246  Monardella viridis Robert F. Hoover; 1941-8-24 5575 Napa Mount St. Helena, E side Comment
  UC1995309  Monardella viridis John Thomas Howell 1937-7-4 13060 Napa Wooden Valley Grade Comment
  POM70262  Monardella viridis W. J. Nicholas 1901-7-6 s.n. Napa St. Helena. Comment
  JEPS110828  Monardella viridis subsp. viridis Jake Ruygt 1979-7-3 733 Napa north of Mt. George on Wild Horse Ranch north access road 408 Comment
  JEPS2653  Monardella viridis subsp. viridis W. L. Jepson October 1894 70 d Napa Upper Conn Valley Napa Range; Upper Conn Valley, Napa Range Comment
  JEPS106888  Monolopia major Jake Ruygt 1993-5-1 3237 Napa SW of end of Cedar Creek Road. 426 Comment
  JEPS112660  Montia fontana Jake Ruygt 1979-4-11 500 Napa 1.3 miles east of Soscol Avenue on Imola Avenue 36 Comment
  JEPS43263  Montia fontana W. L. Jepson Apr. 1893 Napa Napa Valley Comment
  CAS-BOT-BC262607  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Above Capell Creek, north end of Capell Valley Comment
  JEPS129124  Najas minor Jake Ruygt 2010-8-14 5722 Napa NW shore of Lake Berryessa; Barton Hill. Walter Springs 7.5' Quad. Comment
  UCD41471  Narcissus pseudonarcissus Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1351 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road where it joins with South Decker Canyon Road. 350 Comment
  CAS-BOT-BC259761  Nassella cernua Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5332 Napa Pope Creek E of Samuels Springs 91 Comment
  CAS-BOT-BC259964  Nassella lepida Peter H. Raven 1951-6-26 3053 Napa Wooden Valley Grade 304 Comment
  UCD87831  Nassella lepida Beecher Crampton 1957-6-4 4102 Napa North end of Capell Valley. Comment
  JEPS120361  Navarretia cotulifolia Jake Ruygt 1982-5-19 1283 Napa 2 miles south of Walter Springs bridge on Pope Canyon Road. Aetna Springs 7.5' Quad. Comment
  JEPS112537  Navarretia heterodoxa Jake Ruygt 1979-7-3 736 Napa 7.6 miles north of Monticello Rd. on Atlas Peak Rd. 426 Comment
  UC106835  Navarretia heterodoxa Katharine Brandegee 1889-1 Napa Howell Mountain Comment
  UC23627  Navarretia heterodoxa Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UC23653  Navarretia intertexta Willis L. Jepson 1893-5-1 Napa Conn Valley Napa River Basin Comment
  JEPS70326  Navarretia intertexta Willis L. Jepson 1894-7-19 15007 Napa above Calistoga; Napa River Basin, Upper Napa Valley 228 Comment
  JEPS70335  Navarretia intertexta Willis L. Jepson 1903-9-7 2351 Napa above St. Helena Reservoir (near summit w side of valley, in York Creek Canyon); Napa River Basin, St. Helena, York Creek Canyon Comment
  RSA128369  Navarretia jepsonii P. H. Raven 1950-6-20 s.n. Napa Just above Aetna Springs, Pope Valley Comment
  SD3929  Navarretia jepsonii Katherine Brandegee 1910-7-26 Napa Near Aetna Springs Comment
  UCD48416  Navarretia jepsonii Mrs. K. Brandegee 1910-7-26 148 Napa Near Aetna Springs, Napa County, in depression in clay soil. Comment
  UCD106388  Navarretia linearifolia subsp. pinnatisecta K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  JEPS112554  Navarretia mellita Jake Ruygt 1982-7-17 1374 Napa Deer Park Rd. at Four Corners 414 Comment
  JEPS112555  Navarretia mellita Jake Ruygt 1989-6-3 2359 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 393 Comment
  UCD167194  Navarretia mellita Jake Ruygt 1991-6-10 2716 Napa Deer Lake, Friesen's Lakes. 597 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
  UC23795  Navarretia pubescens Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  CAS-BOT-BC232666  Navarretia pubescens Peter H. Raven 1952-5-26 4064 Napa Near Samuel's Springs 121 Comment
  POM261444  Navarretia pubescens Thos. Howell 1937-5-23 s.n. Napa Palisades. Comment
  UC1221750  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Martley Canyon Vaca Mountains (along State Hwy 128) Comment
  JEPS123265  Navarretia rosulata David Gowen with Jake Ruygt 2011-6-11 1157 Napa Cedar Roughs. Comment
  JEPS110946  Navarretia squarrosa Jake Ruygt 1981-7-15 1065 Napa 1.5 miles north of Browns Valley Rd. on Redwood Rd. 152 Comment
  UC142969  Navarretia squarrosa Katharine Brandegee 1910-7-26 Napa Pope Valley Comment
  UCD167199  Navarretia squarrosa Jake Ruygt 1982-7-18 1375 Napa Deer Park Road at Four Corners. 414 Comment
  UCD167202  Navarretia tagetina Jake Ruygt 2002-6-10 4434 Napa End of Soda Canyon Road, north end of Foss Valley. 445 Comment
  JEPS106578  Nemacladus montanus Jake Ruygt 1989-4-22 2286 Napa NE corner of HWY 128 and Berryessa-Knoxville Rd.,Capell Cyn. 207 Comment
  POM224204  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  UCD49091  Nemophila heterophylla S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 26 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
  POM182714  Nemophila heterophylla D. D. Keck 1931-4-2 1014 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  SBBG6130  Nemophila heterophylla H. and M. Dearing 1939-4-30 3232 Napa Saint Helena Comment
  JEPS3116  Nemophila menziesii Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UCD82053  Nemophila menziesii Robin McMaster 1972-4-22 69 Napa Pope Valley. Comment
  UCR267439  Nemophila menziesii Stephen P. Rae, Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, c. 1 km west of Anguin; McCrane property 526 Comment
  UC146215  Nemophila menziesii Joseph P. Tracy 1903-5-16 1839 Napa near Calistoga (Napa Valley); Northern Coast Ranges, , near Calistoga 91 Comment
  UCD23396  Nemophila menziesii Robert Giorgis 1977-4-16 6 Napa Small herbaceous plant, flowers blue and white. 300 meters south of Highway 128, 6.4 miles SW of Monticello Dam. Low on NE facing slope of canyon in riparian and oak woodland ecocline. Comment
  POM264589  Nemophila menziesii var. menziesii J. C. Roos 1939-3-31 309 Napa Angwin. Howell Mtns. Comment
  JEPS2664 Image available Nemophila venosa Mrs. L. A. R. Peckinpah 1898-3-11 Napa near (e of) Yountville; foothills of Napa Range; Napa Range, near Yountville Comment
  CHSC102523  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SD58461  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-11-2 503 Napa South end of Conn Creek Road at the bridge over Conn Creek, Conn Valley Comment
  UCD121197  Notholithocarpus densiflorus var. densiflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7368 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  JEPS62079  Odontostomum hartwegii Willis L. Jepson 1894-5-1 Napa near St. Helena (rd. to Upper Conn Valley); Napa R. Valley Comment
  RSA577469  Odontostomum hartwegii Joseph A. Ewan 1934-4-30 8811 Napa Sarco Creek, 4 miles above Napa. Comment
  CAS-BOT-BC140166  Oemleria cerasiformis Alice Eastwood 1922-5-5 11294 Napa Mt. St. Helena Comment
  JEPS110557  Oemleria cerasiformis Jake Ruygt 1987-3-14 1926 Napa Conn Valley Rd. (near PG&E and transform er) 109 Comment
  UC12463  Oemleria cerasiformis W. L. Jepson 1893-5-5 Napa Middleton; Mt. St. Helena Comment
  JEPS120434  Oenothera glazioviana Jake Ruygt 2009-7-4 5457 Napa Silverado trail north of Pope Street. Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  RSA31988  Orthocarpus densiflorus A. A. Heller 1941-5-17 16136 Napa 2 miles north of Windsor on US Highway 101. Comment
  SEINET4854296  Orthocarpus lacerus Carl F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  JEPS43137  Oxalis W. L. Jepson 1936-6-2 17613 Napa hills to e Yountville; Napa Valley Comment
  CAS-BOT-BC316826  Packera clevelandii John Thomas Howell 1930-10-19 5620 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  UCD170286  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 826 Napa Along Knoxville Devilhead Road, west of Knoxville Wildlife Area. 456 Comment
  UCD170287  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 827 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  HSC38131  Packera eurycephala Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi. E of Lake Co. line Comment
  SD52970  Packera eurycephala Peter H. Raven 1962-5-31 17919 Napa by stream in serpentine on Lower Lake- Knoxville road, 1.9 miles south of Lake County line. Comment
  UC131781  Packera eurycephala var. eurycephala C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  UCD161314  Packera eurycephala var. eurycephala Jake Ruygt 1979-5-20 615 Napa Mt. St. Helena. (Coordinates estimated by label maker at UC Davis). 1036 Comment
  CAS-BOT-BC316942  Packera greenei Beecher Crampton 1957-6-4 4098 Napa above Capell Creek, north end of Capell Valley Comment
  SEINET11807295  Packera greenei F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -330 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS122963  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-10 1760 Napa Devil's Canyon, above the falls. Quad: Mt. Sonoma. Comment
  UC1103775  Panicum acuminatum var. acuminatum J. P. Tracy 1899-6-17 342 Napa 3-4 mi e Angwin's (La Jota plateau); Howell Mountain, head of Moore's Creek 518 Comment
  UCD89389  Panicum capillare Virginia Bufford 1936-9-20 435 Napa West place near Mineral Spring-Lower Lake-Knoxville Road. Comment
  UCD166678  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  UCD89792  Panicum capillare subsp. hillmanii Beecher Crampton 1969-7-14 8496 Napa Napa, southern area, east of Napa River Bridge. Comment
  JEPS120368  Papaver heterophyllum Jake Ruygt 1981-5-13 1021 Napa American Canyon east of Flosden Road. Cordelia 7.5' Quad. Comment
  JEPS122959  Parapholis incurva Jake Ruygt 1993-5-8 3252 Napa South of Fagan Slough near edge of Napa Marsh. Quad: Cuttings Wharf. Comment
  UC830991  Parvisedum pumilum John Thomas Howell 1939-5-7 14656 Napa Napa Comment
  JEPS129131  Pectocarya penicillata Jake Ruygt 2012-4-28 5832 Napa Crystal Flats, west of Putah Creek. Aetna Springs 7.5' Quad. Comment
  UC25013  Pectocarya penicillata Willis L. Jepson 1893-4-30 Napa w Calistoga; Napa Rv Basin Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD17972  Pectocarya pusilla Ellen Dean; Kate Mawdsley 2001-4-9 691 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD123329  Pedicularis densiflora H. Popenoe 1949-5-1 18 Napa 1 mile from Pacific Union College, beside road to Pope Valley. Comment
  CHSC46030  Pellaea andromedifolia Lowell Ahart 1976-3-7 1021 Napa About 1/8 mile south of the road, about 2 miles south-west of Monticello Dam. 152 Comment
  CAS-BOT-BC71383  Pellaea mucronata John Thomas Howell 1930-3-23 4566 Napa Crater Country near Mt. St. Helena Comment
  CAS-BOT-BC71379  Pellaea mucronata L. R. Abrams 1916-7-2 5759 Napa near St. Helena Sanitarum Comment
  POM182638  Penstemon heterophyllus subsp. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  JEPS110743  Penstemon heterophyllus var. heterophyllus Jake Ruygt 1976-5-27 99 Napa 1.9 miles NE of Atlas Peak Rd. on Monticello Road 185 Comment
  UC185341  Penstemon heterophyllus var. heterophyllus Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  CHSC83408  Penstemon heterophyllus var. purdyi L. P. Janeway; B. Castro 2002-5-12 7532 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  CAS-BOT-BC245720  Penstemon newberryi var. sonomensis John Thomas Howell 1926-10-3 2196 Napa Mt. St. Helena Comment
  JEPS7217  Penstemon newberryi var. sonomensis E. Ferguson 1920-5-15 354 Napa Silverado Mine , Silverado Mine (Mt. St. Helena) Comment
  JEPS120381  Pentachaeta exilis subsp. exilis Jake Ruygt 1998-5-2 3951 Napa Jerd Creek Comment
  UCD137749  Pentagramma triangularis Katherine Pinney 1975-4-15 32 Napa Wragg Canyon, ca. 2.5 miles east of Wragg Canyon Road on Highway 128. 259 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
  UCD48366  Pentagramma triangularis subsp. triangularis S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 7 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
  JEPS12440  Perideridia kelloggii W. L. Jepson 1920-7-12 9071 Napa Conn Valley Napa Range (red ridge at mouth) Comment
  UC20890  Perideridia kelloggii Willis L. Jepson 1892-6 Napa Knoxville grade to Lower Lake Mountain Region of Clear Lake Comment
  UCD161739  Perideridia kelloggii Jake Ruygt 1992-7-22 3107 Napa south end of Wooden Valley, Wild Horse Valley Ranch. 179 Comment
  JEPS12398  Perideridia oregana W. L. Jepson 1894-10-13 14808 Napa Upper Conn Valley Napa Range Comment
  UC1312889  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3784 Napa Pope Canyon road 3 mi ne Pope Valley road (w of Lake Berryessa) 182 Comment
  CAS-BOT-BC419302  Persicaria punctata Peter H. Raven 1951-6-26 3041 Napa Napa to Wooden Valley Grade 60 Comment
  UC917309  Petrorhagia dubia R. L. Smith 1948-5-8 Napa 6 mi N of Aetna Springs, Pope Valley 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
  UCD167993  Phacelia divaricata James A. Neilson Jr. 1977-4-13 3870 Napa Oat Hill Mine Rd., 1/2 mile east Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD170435  Phacelia divaricata Daniel Potter; Peter Lash 2017-3-28 907 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 445 Comment
  UC24382  Phacelia imbricata H. P. Chandler 1900-5-7 625 Napa Rutherford Comment
  UC1051782  Phacelia imbricata L. Constance and L. R. Heckard 1951-4-15 3371 Napa Silverado Trail 1 mi e St. Helena Comment
  CAS-BOT-BC265854  Phalaris californica John Thomas Howell 1940-5-19 15444 Napa Near Calistoga Comment
  POM261554  Phalaris californica J. T. Howell 1940-5-19 15444 Napa Near Calistoga Comment
  CDA11824  Phoradendron densum G. F. Hrusa 1993-10-3 11427 Napa North Coast Biodiversity Arena; 2 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  JEPS110813  Phoradendron densum Jake Ruygt 1979-6-9 692 Napa .5 miles west of Berryessa-Knoxville Rd. on Devilshead Rd. 475 Comment
  RSA292976  Phoradendron densum Reino Alava, Lincoln Constance, Robert Ornduff 756 Napa On the north facing slope of Mt St Helena. Comment
  RSA92800  Phoradendron densum Peter H. Raven 1951-10-28 3959 Napa Knoxville. 457 Comment
  SD107789  Phyla nodiflora C. W. Tilforth, John Dourley 1979-7-22 1858 Napa small canyon above stream, 0.4 mi. south of Park Hdqrs, west side of Lake Berryesa 136 Comment
  CAS-BOT-BC140549  Physocarpus capitatus Peter H. Raven 1950-6-20 2346 Napa In the Napa Range between Conn Valley and Howell Mtn. Comment
  CAS-BOT-BC140550  Physocarpus capitatus E. Ruckert 1960-5-8 147 Napa 6495 Dry Creek Road, field west of gate 365 Comment
  CDA12114  Pickeringia montana G. F. Hrusa 1989-5-2 7185 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  UCD108172  Pickeringia montana D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 Comment
  UCD38721  Pickeringia montana Beecher Crampton 1957-6-4 4100 Napa North end of Capell Valley. Comment
  CAS-BOT-BC73327  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  SD27919  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  UC400289  Pinus ponderosa Mrs. D. O. Hunt Dec. 1898 Napa St. Helena Comment
  RSA491731  Pinus sabiniana James L. Reveal 1987-6-7 6405 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and South of Lake Berryessa. 244 Comment
  UCD47758  Pinus sabiniana R. Blenkush 2000-4-22 16 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
  JEPS102208  Piperia leptopetala J. Greenhouse with Jake Ruygt, Joe Callizo 2000-5-20 5007 Napa Adams Ridge. About 50 feet below Adams Ridge Rd., 1 mi from Devilshead Rd. in Hunting Creek BLM area N of Knoxville. 670 Comment
  JEPS60936  Plagiobothrys bracteatus Willis L. Jepson 1893-6-26 21171 Napa Howell Mt. Napa River Basin Comment
  JEPS60937 Image available Plagiobothrys bracteatus W. L. Jepson 1897-5-2 21170 Napa near Calistoga; Napa Valley Comment
  JEPS106769  Plagiobothrys fulvus Jake Ruygt 1983-4-13 1422 Napa Snell Valley Rd. near Stagecoach Rd. 176 Comment
  UCD164866  Plagiobothrys greenei Jake Ruygt 2012-4-21 5826 Napa Crystal Flats, west of Putah Creek. 259 Comment
  UCD148840  Plagiobothrys nothofulvus Ellen Dean; Diana Hickson 2014-4-29 8144 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD81818  Plagiobothrys nothofulvus Ellen Dean 2009-4-24 5445 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS68113  Plagiobothrys nothofulvus Elsa Kraeger 1926-3-27 Napa along road to Soscol Comment
  RSA0008559  Plagiobothrys strictus P. H. Raven 1950-5-6 2024 Napa Sulpher flats and hot spring near Old Faithful Geyser N. of Calistoga. 183 Comment
  JEPS68124  Plagiobothrys tenellus Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UC1245375  Plagiobothrys tenellus Joseph P. Tracy 1950-5-23 18669 Napa dry gravelly flats Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  POM252890  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 0.5 mile NW of Knoxville. 610 Comment
  UC55923  Plagiobothrys tener var. tener J. P. Tracy 1902-5-18 1538 Napa 3-4 mi e Angwin's (head Moore's Creek, Howell Mountain); Head Moore's Creek, Howell Mountain 518 Comment
  JEPS85016  Plagiobothrys tener var. tener Larry Heckard and Mary Ashton 1969-5-3 2228 Napa ca 7 mi ne Napa (off Atlas Peak Rd., ca 1/2 mi ne of ranch house); Mead Ranch 457 Comment
  HSC16867  Plantago erecta Greg Bos 1963-3-24 46 Napa NW end of Lake Berryessa at Putah Creek 152 Comment
  JEPS6453  Plantago erecta Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UCD170831  Plantago erecta 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
  UCD15036  Plantago erecta Rebecca L. Moehlmann 1977-4-16 12 Napa California, Napa Co. : Wragg Canyon, along the east side of Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam. 182 Comment
  RSA278555  Plantago erecta subsp. erecta T. C. Emmel 1965-5-15 44 Napa 5 miles S of jct of Knoxville Devilhead Rd and Knoxville Berryessa Rd. Comment
  JEPS122745  Platystemon californicus Jake Ruygt 2011-5-7 5782 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  CAS-BOT-BC91871  Platystemon californicus Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Walters Springs. Comment
  POM182730  Platystemon californicus var. californicus D. D. Keck 1931-4-2 1056 Napa Monticello Comment
  UC1239599  Plectritis brachystemon Joseph P. Tracy 1933-6-2 12455 Napa 3-4 mi e of Angwin's (at Head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  JEPS6139  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4450 Napa near Wooden Valley Comment
  JEPS5144  Plectritis ciliosa subsp. ciliosa Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  UCD21506  Plectritis congesta subsp. brachystemon Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4408 Napa Quail Ridge Reserve. 243 Comment
  UC917295  Plectritis macrocera M. R. Wanzer 1948-4-3 8 Napa 13 mi w of Winters (Putah Canyon); Putah Canyon Comment
  UC999846  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 689 Napa n of Monticello Comment
  UCD90178  Pleuropogon californicus var. californicus Joseph P. Tracy 1938-6-6 15844 Napa Napa Valley. Between Napa City and Yountville. 30 Comment
  UCD90191  Pleuropogon californicus var. californicus R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  CAS-BOT-BC254904  Poa bulbosa Peter H. Raven 1953-4-2 5280 Napa Tulucay Creek 228 Comment
  CAS-BOT-BC246685  Poa howellii Beecher Crampton 1956-5-25 3461 Napa East slope of Wragg Canyon, Vaca Mtns. Comment
  JEPS122931  Poa howellii Jake Ruygt 1984-5-5 1542 Napa Bell Canyon Creek. Quad: Saint Helena. Comment
  UC1112207  Poa napensis Peter H. Raven 1957-5-5 10737 Napa field near hot springs at airport Calistoga Comment
  UCD91550  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD91553  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Calistoga. Near the hot springs at the airport. Comment
  SEINET7546722  Poa napensis A. A. Beetle 1946-1 Napa Comment
  SACT001995  Poa scabrella M. Wiesendanger 1927-5-4 Napa Comment
  JEPS122924  Poa secunda subsp. secunda Jake Ruygt 1983-4-13 1423 Napa Snell Valley west of Stagecoach Canyon Road. Quad: Aetna Springs. Comment
  JEPS76089  Poa secunda subsp. secunda W. L. Jepson 1938-5-24 18844 Napa plateau n of Four Corners (Howell Mt); Napa Range 762 Comment
  UCD92112  Poa secunda subsp. secunda M. Wiesendanger 1927-5-4 696 Napa Monticello, Napa Road. Comment
  JEPS110821  Pogogyne douglasii Jake Ruygt 1984-5-6 1550 Napa west of Lewelling Lane, St. Helena 85 Comment
  JEPS62446  Pogogyne douglasii W. L. Jepson 1897-7-12 14907 Napa Pope Valley Comment
  JEPS62429  Pogogyne douglasii W. L. Jepson 1938-6-8 18898 Napa Playa Snell Valley Comment
  JEPS122744  Pogogyne serpylloides Jake Ruygt 2011-5-7 5780 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  RSA0036083  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD148763  Polycarpon tetraphyllum var. tetraphyllum Jake Ruygt 1994-3-15 3320 Napa Napa County; Chiles Canyon Rd. about 1 mile from Chiles Valley. 365 Comment
  JEPS112607  Polygala californica Jake Ruygt 1976-5-6 60 Napa 4.2 miles NE of Westgate Dr. on Atlas Peak Rd. 408 Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  UCSB11831  Polygala californica Haller, John 1961-6-18 Napa Las Posadas State Forest, 1.5 mi S of Angwin on Howell Mountain Plateau 518 Comment
  CAS-BOT-BC109159  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Howell Mountain. Comment
  JEPS50583  Polygonum bolanderi Willis L. Jepson 1893-9-21 14791 Napa Wooden Valley grade Napa River Basin Comment
  JEPS50597  Polygonum californicum W. L. Jepson Sept. 1893 14799 Napa Napa Valley Comment
  JEPS112593  Polygonum hydropiperoides Jake Ruygt 1991-7-20 2771 Napa Lake Orville, Friesen's Lakes, Angwin 563 Comment
  UC1198090  Polygonum parryi Joseph P. Tracy 1933-6-2 12457 Napa La Jota Plateau Howell Mountain (hills at head of Moore's Creek, 5 mi e of Angwin's) 518 Comment
  CAS-BOT-BC420986  Polygonum spergulariiforme R. F. Hoover 1966-8-23 9920 Napa East side of Mt. St. Helena Comment
  CAS-BOT-BC72056  Polypodium calirhiza John Thomas Howell 1926-3-21 1729 Napa St. Helena Creek near Patten's 609 Comment
  UCD121196  Polypodium calirhiza Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7367 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  JEPS79513  Polypodium calirhiza Edward Lee with Annetta Carter 1935-12-1 1672 Napa rd. from Napa to Wooden Valley (Sarco Creek); Howell Mts. Comment
  UCD136953  Polypodium calirhiza G. F. Hrusa 1994-1-29 11589 Napa At head of Hennessey Lake on S side of Hwy 128. 270 Comment
  HSC26626  Polypogon interruptus J. P. Smith, J. O. Sawyer 1970-5-17 3776 Napa 3 mi. S of Pope Valley Comment
  UCD91281  Polypogon monspeliensis Beecher Crampton 1956-5-25 3467 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS116570  Polystichum imbricans subsp. imbricans Jake Ruygt 2002-3-16 4362 Napa Troutdale Creek west of Highway 29. Detert Reservoir 7.5' Quad. Comment
  HSC1145  Polystichum munitum C. B. Wolf 1928-5-3 1846 Napa At the summit of the Mt. St. Helena Grade, Mt. St. Helena Comment
  UCD110657  Populus fremontii subsp. fremontii M. Wiesendanger 1926-4-1 1509 Napa location unknown. Comment
  CAS-BOT-BC445237  Portulaca oleracea Peter H. Raven 1952-5-26 4030 Napa Rutherford 53 Comment
  CAS-BOT-BC445239  Portulaca oleracea R. E. Frenkel 1963-10-27 292 Napa In the vinyard north of Oakville Cross Road Comment
  CAS-BOT-BC508642  Prosartes hookeri Peter H. Raven 1950-4-15 1744 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC154919  Prunus ilicifolia J. H. Thomas 1955-5-21 5104 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UC1543127  Prunus subcordata Charlotte G. Nast 1936-3-27 65 Napa Childs Canyon Comment
  UC608410  Prunus virginiana var. demissa Beryl O. Schreiber 1936-3-5 2205 Napa 0.3 mi WSW of Petrified Forest Comment
  UCD113525  Prunus virginiana var. demissa K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD19309  Pseudognaphalium californicum M. A. Bibbo; E. Dean 2001-7-6 1 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.4 air miles from research station. E (upslope) side of the road. 365 Comment
  CAS-BOT-BC356982  Pseudognaphalium luteoalbum John W. Willoughby 1979-5-25 4298 Napa Vaca Mountains. Pansy Flat (ca. 1 mile south of Signal Hill) 609 Comment
  UC32002  Pseudognaphalium microcephalum W. L. Jepson 1892-7-1 Napa Knoxville Comment
  UC672213  Pseudognaphalium stramineum H. L. Mason 1923-10-6 769 Napa along railroad Suisan Marsh Comment
  UCD161745  Pseudognaphalium stramineum Jake Ruygt 1994-3-29 3343 Napa Jameson Canyon, east of Highway 29 and north of Highway 12. 213 Comment
  RSA187448  Pseudotsuga menziesii John H. Thomas 1966-3-22 11534 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 610 Comment
  JEPS106925  Psilocarphus oregonus Jake Ruygt 1982-5-12 1238 b Napa Suscol Plain 4 Comment
  UCD170382  Psilocarphus tenellus Daniel Potter; N Khuu 2016-5-8 878 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 347 Comment
  UCD170453  Psilocarphus tenellus Daniel Potter; Ninh Khuu 2016-6-8 882 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  SEINET10871110  Psoralea physodes Peter H. Raven 1964-5-9 Raven 19042 Napa Edge of small grove of sequoia along dirt road 2 mi w of aetna springs. Comment
  UCD117072  Ptelea crenulata Cherry Kline 1964-5-8 72 Napa State Highway 128, between Monticello Dam and junction with State Highway 37, 3 miles SW of Monticello Dam. Comment
  CAS-BOT-BC72604  Pteridium aquilinum Jean Fottrell 1906-7-1 s.n. Napa Napa Comment
  UCD73394  Pterostegia drymarioides Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC460820  Pyrola aphylla H. D. Ripley; R. C. Barneby 1945-6-21 6936 Napa South of Pope Valley 579 Comment
  UC1197567  Pyrola picta J. P. Tracy 1899-6-14 341 Napa 3-4 mi e of Angwins (Head of Moore's Creek, Howell Mountain); Howell Mountain, Head of Moore's Creek 518 Comment
  RSA34045  Pyrrocoma racemosa A. A. Heller 1927-8-26 14466 Napa Calistoga Comment
  CDA11895  Quercus X chasei G. F. Hrusa, G. L. Stebbins 1994-4-8 11725 Napa North Coast Biodiversity Arena; Large tree along road at Aetna Springs resort. Comment
  UC1010753  Quercus X morehus Peter H. Raven 1951-6-26 3086 Napa Cappell Valley to Wooden Vallen 304 Comment
  UCD170369  Quercus X morehus Daniel Potter; N Khuu, K Battenberg 2016-4-30 867 Napa Knoxville Wildlife Area, east of Nevada Creek Comment
  CAS-BOT-BC61807  Quercus agrifolia M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  CAS-BOT-BC61810  Quercus agrifolia unspecified 1939-10-1 s.n. Napa Napa 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
  JEPS37715  Quercus agrifolia W. L. Jepson 1901-11-17 1753 Napa near St. Helena; Napa River Basin Comment
  JEPS37806  Quercus agrifolia W. L. Jepson 1937-4-10 18004 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD118400  Quercus agrifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat, just south of main meadow. 387 Comment
  UCD149563  Quercus agrifolia G. Ledyard Stebbins 1994-10-5 s.n. Napa Hennessey Lake. At the junction of Route 128 [and Chiles Pope Valley Road]. Comment
  UCD45016  Quercus agrifolia Willis L. Jepson 1901-11-17 1754 Napa Near St. Helena, Nov. 17, 1901 Comment
  UCD45339  Quercus agrifolia J. M. Tucker 1954-9-23 2757 Napa Beside Highway 37, 6.5 miles (by road) south of junction with Highway 28, in Napa County, California. Comment
  UCD19316  Quercus berberidifolia M. A. Bibbo; E. Dean 2001-7-6 8 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.5 air miles from jct. with S Decker canyon rd. E (upslope) side of rd. 243 Comment
  UCD45198  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 4 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of Junction with Highway 37; southeast-facing hillslope above Sage Creek. Comment
  UCD45203  Quercus berberidifolia Thomas Morley 1941-5-11 125 Napa Elevation 461 feet. On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. 140 Comment
  UCD45215  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 38 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  UCD45242  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; shrubs on steep hillside. (Sheet No. 1. Each twig from a separate shrub.) Comment
  UCD45756  Quercus berberidifolia Beecher Crampton 1959-8-14 5435 Napa Markley Canyon, Vaca Mtns. Napa County. Comment
  UCD45854  Quercus berberidifolia Thomas Morley 1941-5-11 128 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Elevation 461 feet. 140 Comment
  UCD92285  Quercus berberidifolia J. M. Tucker 1953-10-25 2692 Napa Upper road bank of Highway 28, 2.0 mile (by road) west of junction with Highway 37. Capell Canyon. Comment
  UCSB63055  Quercus berberidifolia Rodriguez, Luis; Sarr, Dan 1995-9-5 Napa Chiles Valley 280 Comment
  CAS-BOT-BC62461  Quercus chrysolepis Mrs. E. C. Suttiffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  JEPS116542  Quercus chrysolepis Jake Ruygt 1984-3-31 1516 a Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  RSA444489  Quercus chrysolepis J. C. Roos 1939-5-14 255 Napa Pacific Union College, Anguin. Comment
  UCD83394  Quercus chrysolepis Jake Ruygt 1991-5-4 2636 Napa Friesen's Lakes, Lake Henne. 548 Comment
  JEPS37396  Quercus douglasii Willis L. Jepson 1901-8-6 1724 Napa Howell Mt. grade Napa River Basin Comment
  UC993147  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD37729  Quercus douglasii Beecher Crampton 1961-9-19 5977 Napa Napa County, 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  UCD92305  Quercus douglasii J. M. Tucker 1954-9-23 2756 Napa West side of Highway 37. 0.1 mile south of junction with Wooden Valley Road (about 9.5 miles northeast of Napa). Comment
  CAS-BOT-BC86439  Quercus dumosa John H. Thomas 1958-4-19 7113 Napa About 2 miles SW of Oakville 152 Comment
  SEINET9315403  Quercus dumosa Unknown 1939-4-16 39068 Napa 3 mi NE of Napa. Open rocky hills. Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  CAS-BOT-BC79847  Quercus durata H. E. McMinn 1922-6-8 167 Napa summit of Howell Mt. Comment
  CHSC85477  Quercus durata G. F. Hrusa; G. L. Stebbins 1994-3-11 11602 Napa On Ink Grade approx. 2 miles N of Angwin. 520 Comment
  UCD14811  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -13 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14821  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -17 Napa California, Napa Co.; below Conn Valley Dam, 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
  UCD14844  Quercus durata John M. Tucker 1950-11-12 2014 -22 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149624  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Chiles Valley. Comment
  UCD45884  Quercus durata var. durata John M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello-- Pope Valley Road, Napa County, California. Comment
  UCD45911  Quercus durata var. durata Barbara Rice 1965-9-27 1 Napa Knoxville Road, 1 mile northeast of junction with State Highway 128, Napa County, California. Comment
  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
  CAS-BOT-BC94258  Quercus garryana John M. Tucker 1952-9-20 2626 Napa road up Mt. St. Helena (Highway 29) 5.2 mi (by road) N of Calistoga Comment
  JEPS126031  Quercus garryana Jake Ruygt 1992-9-24 3157 Napa Dry Creek Road west of Oakville Grade; near Bumpy Camp. Rutherford 7.5' Quad. Comment
  UCD148750  Quercus garryana Jake Ruygt 1999-5-14 4152 Napa Napa County; Lake Hinman, west of Yountville Veteran's Home. 109 Comment
  UCD148742  Quercus garryana var. garryana Jake Ruygt 2004-7-31 4638 b Napa Napa County; near top of Buzzard's Roost. 594 Comment
  UCD14960  Quercus garryana var. garryana John M. Tucker 1976-10-24 4385 Napa California, Napa Co.; beside Dry Creek Road, 1.4 mi. east of junction with Wall Road, and 4.4 mi. (by road) southwest of Oakville; Comment
  UCD46075  Quercus garryana var. garryana J. M. Tucker 1950-11-5 2009 Napa At summit of ridge marking Sonoma-Napa County line, beside Highway 28, ca. 5 miles northwest of Calistoga, California. Comment
  CAS-BOT-BC105295  Quercus kelloggii Peter H. Raven 1952-5-29 4093 Napa Napa River 1 mi N Napa 60 Comment
  CAS-BOT-BC105301  Quercus kelloggii Paul F. Covel 1940-4-28 1708 Napa Near Pacific Union College Comment
  CAS-BOT-BC105303  Quercus kelloggii Ella Dales Cantelow 1939-4-8 2502 Napa Howell Mountain Comment
  POM270252  Quercus kelloggii Lyman Benson 1931-2-26 2602 Napa Southern base of Mt. St. Helena, north of Calistoga, Mayacamas mt. range, Napa watershed. 213 Comment
  RSA623982  Quercus kelloggii T. Gertrude Williamson 1924-7-4 346 Napa Canon near S. Helena, Napa Valley. Comment
  UC615441  Quercus kelloggii Beryl O. Schreiber 1932-4-3 200 Napa road to Calistoga Comment
  UCD46741  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  SEINET5644379  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners.; 0 Comment
  JEPS37469  Quercus lobata Willis L. Jepson 1901-11-17 1751 Napa St. Helena Napa River Basin Comment
  RSA28534  Quercus lobata E. K. Balls, P. C. Everett 1953-10-15 18677 Napa 5.5 miles south of junction of highways 37 and 28, between Monticello and Napa. 305 Comment
  UCD49048  Quercus lobata Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W side of creek. 167 Comment
  UCD61802  Quercus lobata Jake Ruygt 2007-7-28 5253 Napa East of Calistoga, north side of (a peak called) Grassy Hill, Duff Ranch, 'Palisades. 624 Comment
  CAS-BOT-BC104981  Quercus wislizeni Peter H. Raven 1951-8-20 3860 A Napa East Point, near Lokoya 609 Comment
  CAS-BOT-BC104983  Quercus wislizeni H. E. McMinn 1923-5-25 973 Napa Summit Wooden Valley Grade Comment
  CHSC59980  Quercus wislizeni Wm. C. Overton Jr. 1980-7-13 Napa Along a south bank of Eticuera Creek ca. 1-1/2 road miles north of Lake Berryessa. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  UCD47533  Quercus wislizeni Thomas Morley 1941-5-11 124 Napa At Lombardi's Ranch, west side of Putah Creek just above junction with Butts Creek, Napa County. Comment
  UCD47600  Quercus wislizeni Beecher Crampton 1962-10-9 6701 Napa 1-1/4 mile southwest Angwin, Howell Mtn. Road, Conn Creek. Comment
  UCD49054  Quercus wislizeni L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 9 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd., 2 ft. from stream. 152 Comment
  UCD73447  Quercus wislizeni Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  CDA11903  Quercus wislizeni var. frutescens G. F. Hrusa, G. L. Stebbins 1994-4-8 11717 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS106868  Rafinesquia californica Jake Ruygt 1978-5-21 326 Napa 2.2 miles north of Sage Canyon Rd. on Chiles-Pope V.Rd. 134 Comment
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale Rd. Comment
  UC9500  Ranunculus californicus Willis L. Jepson 1896-2-22 Napa Howell Mt. Grade Napa River Basin Comment
  UC9420  Ranunculus canus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  UCD83671  Ranunculus muricatus Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 6 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 183 Comment
  UCD96246  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road. Comment
  CDA10911  Ranunculus occidentalis G. F. Hrusa, M. Rejmanek 1993-5-15 11007 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS55165  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  JEPS55170  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  SEINET5718619 Image available Ranunculus occidentalis Shirley C. Tucker 1964-1 6092 B Napa Route 138, 4 miles east of Moscovitz Corner.; Moscovitz Corner Comment
  POM268385  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  SEINET5718622 Image available Ranunculus occidentalis var. occidentalis Gary W. Elmstrom 1965-1 5 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley.; Pope Valley 274 Comment
  OBI14976  Raphanus raphanistrum R. L. Hoover 1968-4-11 19 Napa One block W of hwy 1 on Palm Ave, Marina Comment
  UC1178884  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 mi n of Calistoga (Napa River); Napa River Comment
  UCD63166  Rhagadiolus stellatus Jake Ruygt 1979-4-24 553 Napa 2.2 miles NW of Browns Valley Rd. on Redwood Rd. 109 Comment
  CAS-BOT-BC362895  Rhagadiolus stellatus Marie Taylor 1978-4-5 s.n. Napa Dry Creek & Wall roads Comment
  RSA7791  Rhamnus californica Carl B. Wolf 1928-5-3 1844 Napa Summit of Mount St. Helena Grade, N of Calistoga 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
  SEINET12211102  Rhamnus californica subsp. tomentella F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -316 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek to Berryessa Estates 250 Comment
  JEPS42004  Rhamnus crocea W. L. Jepson 1916-12-5 6588 Napa Howell Mt. Comment
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  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
  JEPS760  Rhamnus tomentella subsp. tomentella W. L. Jepson 1916-8-7 6839 Napa Moore's Creek Howell Mt. Comment
  HSC43983  Rhododendron occidentale Robert M. Specht 1977-4-14 665 Napa N of Adams Creek 561 Comment
  JEPS77766  Rhododendron occidentale Douglas W. James Jr. 1973-5-5 108 Napa 1.3 miles up (Northwest) Chiles and Pope Valley Road from junction with Lower Chiles Road. 213 Comment
  UC527847  Rhododendron occidentale R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6675 Napa 10 mi n of Howell Mountain; Butts Canyon Comment
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  UCD117978  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  UCD164590  Rhododendron occidentale A. Amezcua 1995-4-29 3 Napa Along the side of Butts Canyon Road, 500 m south of Snell Valley Road. 400 Comment
  JEPS129173  Rhus aromatica Jake Ruygt 2016-3-14 6043 Napa Sutro Ranch, west side of Atlas Peak. Yountville 7.5' Quad. Comment
  UCD14945  Rhus diversiloba Fumi Takeda 1977-4-16 10 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam in Scagg Canyon; Comment
  JEPS121369  Rhynchospora californica Jake Ruygt 2003-8-24 4559 Napa Mt. George, Foote Botanical Preserve, NW side of mountain, near old orchard. Comment
  RSA128801  Ribes californicum Peter H. Raven 1951-5-20 2856 Napa Hills west Oakville 549 Comment
  UCD167069  Ribes californicum var. californicum Jake Ruygt 2006-4-25 5003 Napa Wildlake Ranch, upper Bell Canyon. Comment
  UCR146406  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Inner North Coast Ranges, 0.5 mile west of Monticello Dam 305 Comment
  CAS-BOT-BC205998  Ribes menziesii Elsa G. Ruckert 1960-3-13 24 Napa Private road behind east of house, 6495 Dry Creek Road 365 Comment
  UC11625  Ribes roezlii var. cruentum Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  RSA0024605  Ribes roezlii var. cruentum Carl B. Wolf 1928-2-25 1499 Napa Summit of Mt. St. Helena grade, at Mt. St. Helena Inn. 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
  UC1001195  Ribes victoris var. minus Peter H. Raven, G. L. Stebbins Jr. 1953-4-19 5329 Napa e Chiles Valley; Soda Creek 137 Comment
  CDA10867  Rigiopappus leptocladus G. F. Hrusa, M. Rejmanek 1993-5-15 10962 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1535368  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa 0.2 mi s of intersection with Berryessa-Knoxville Road Highway 128; Capell Valley Comment
  UCD135430  Rigiopappus leptocladus Glen Holstein 1977-5-11 s.n. Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley. Comment
  CAS-BOT-BC340995  Robinia pseudoacacia Elsa G. Ruckert 1960-4-29 123 Napa 6495 Dry Creek Road. On private road leading to house 365 Comment
  CAS-BOT-BC147536  Rosa californica Peter H. Raven 1952-8-26 5146 Napa Railway 3/4 mi. w. of Buchli Sta. 30 Comment
  JEPS110648  Rosa californica Jake Ruygt 2007-5-14 593 Napa NE corner of Trefethen Vineyards, Dry Creek 22 Comment
  UC555671  Rosa californica Herbert L. Mason 1923-10-6 774 Napa along Wooden Valley Rd. Comment
  CAS-BOT-BC148154  Rosa gymnocarpa Peter H. Raven 1950-5-6 2035 Napa S. limits of Calistoga, on Rt. 28 60 Comment
  UC1281126  Rosa gymnocarpa H. E. McMinn 1936-4-4 4381 Napa about six mi from Angwin (Howell Mt. to Pope Valley, road to Middletown) Comment
  CAS-BOT-BC421716  Rumex conglomeratus Peter H. Raven 1951-6-24 3009 Napa Napa 30 Comment
  UCD15261  Rumex crispus Kathryn A. Specht 1984-4-28 9 Napa Napa: 0.5 mi east of Coyote Knoll, along Knoxville Rd., on an island in the middle of a lake; 121 Comment
  JEPS110755  Rumex dentatus Jake Ruygt 1980-6-29 948 Napa Steele Canyon Resort at Lake Berryessa 129 Comment
  JEPS115686  Rumex maritimus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  JEPS110754  Rumex pulcher Jake Ruygt 1982-6-6 1306 Napa south of Suscol Hill, west of HWY 29 9 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
  SBBG115747  Rupertia physodes B. Crampton 1953-5-19 1301 Napa Hwy 128, ca. 9 mi E of Rutherford Comment
  UC1197439  Rupertia physodes Joseph P. Tracy 1933-6-2 12487 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 396 Comment
  UCD145262  Rupertia physodes Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-12 146 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation. 166 Comment
  UCD108459  Rupertia physodes Tofsrud 1948-1 s.n. Napa location unknown. 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
  UCD167161  Sagina apetala Jake Ruygt 2015-3-23 6050 Napa Missimer - Snell Valley Preserve. 178 Comment
  UC186590  Salicornia virginica C. F. Sonne Apr 1887 Napa near Junction Comment
  CAS-BOT-BC103227  Salix bonplandiana Peter H. Raven 1952-9-14 5177 Napa Conn Creek e. of Yountville 91 Comment
  CAS-BOT-BC103229  Salix bonplandiana Peter H. Raven 1953-4-2 5228 Napa Imola 60 Comment
  CAS-BOT-BC108666  Salix breweri John Thomas Howell 1931-4-3 6149 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  CAS-BOT-BC108668  Salix breweri L. R. Abrams 1928-5-4 12283 Napa 4 mi. south of Middletown Comment
  JEPS118644  Salix breweri B. Castro and L. P. Janeway 2002-5-12 1369 Napa Inner North Coast Ranges. Ca 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. Knoxville 7.5' quad. Comment
  JEPS15364  Salix breweri W. L. Jepson 1938-6-8 18902 Napa Butte Canyon; bottom Comment
  UC1010435  Salix breweri Milo S. Baker 1931-4-2 5127 Napa on Middletown Rd. 7 mi from Pope Val. Store Comment
  CAS-BOT-BC103753  Salix exigua Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 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
  UC146203  Salix exigua var. hindsiana Joseph P. Tracy 1904-5-20 2077 Napa along Napa R. near Rutherford; Northern Coast Ranges 30 Comment
  UCD164803  Salix laevigata Jake Ruygt 1995-3-21 3408 Napa End of Niebaum Lane, Bear Canyon. 89 Comment
  CDA21154  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  UC1356331  Salix lasiolepis Theodore J. Crovello 1964-3-14 384 Napa Trinity Road 8 mi e California Hwy. 12 Comment
  RSA92783  Salix lasiolepis Peter H. Raven 1951-8-22 3882 Napa 24/10 miles from Lokoya on Napa Rd. 244 Comment
  CAS-BOT-BC124413  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3044 Napa Sarco Creek e. of Napa 60 Comment
  UCD162403  Salpichroa origanifolia Irving Grover 1958-6-9 s.n. Napa Napa. Comment
  HSC43987  Salvia columbariae Robert M. Specht 1977-4-13 655 Napa South-facing slope 488 Comment
  UCD68004  Sambucus mexicana Bill Wengeler 1995-4-30 S.N. Napa Highway 128, 0.2 miles West of Monticello Dam, above Lake Berryessa. Found on open hillside overlooking the lake. Shrub, 10 ft. high. Flowers, cream, flat-topped inflorescence. 158 Comment
  UCD47961  Sambucus nigra subsp. caerulea Ryan Knox; E. McDermott, and G. Walden 2002-4-13 3 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 road, near Knoxville Creek. 432 Comment
  UCD19954  Sanicula bipinnata E. A. Dean; Virginia Boucher 2002-2-28 906 Napa Quail Ridge Reserve. Where upper and lower trails meet, just S of powerlines near ridge tip. 274 Comment
  UCD149699  Sanicula bipinnatifida Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD83722  Sanicula bipinnatifida Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 1 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 185 Comment
  UCD127974  Sanicula crassicaulis K. Esau Date Unknown s.n. Napa near Monticello. Comment
  UCD73416  Sanicula crassicaulis 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
  HSC70626  Sanicula laciniata J. M. DiTomaso 1980-6-13 1589 Napa Trinity Rd. from Oakville to Glen Ellen Comment
  UCD163271  Sanicula tuberosa D. Slakey; CNPS Volunteers 2015-4-25 116 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  RSA734153  Saxifraga virginiensis Keith E. Hoffmaster 1946-3-9 1240 Napa Napa range, near summit of Napa-Monticello road. Comment
  JEPS8801  Scabiosa atropurpurea W. L. Jepson 1925-9-27 10748 Napa Howell Mountain Comment
  UC658998  Scandix pecten-veneris Mildred E. Mathias 1938-4-24 1337 Napa 2 mi s of St. Helena (along highway) Comment
  UCSC000537  Scandix pecten-veneris C. F. Sonne April 1888 s.n. Napa First found in N. America in wheatfield near Napa Junction Comment
  RSA195309  Scandix pecten-veneris Gilbert Muth 1967-4-28 654 Napa Spring Mountain Road, St. Helena Comment
  CAS-BOT-BC111826  Schoenoplectus tabernaemontani Peter H. Raven 1952-8-26 5133 Napa Salt Marshes near Bently Wharf. Comment
  UC1746021  Scribneria bolanderi Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2772 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS112642  Scutellaria californica Jake Ruygt 1979-6-30 726 Napa Trefethen, east of Carell Lane in low hills 182 Comment
  UC1713626  Scutellaria californica Joseph Andorfer Ewan 1934-4-30 8841 Napa 5 mi s of Monticello (on Steel Canyon Road); Steel Canyon Road Comment
  CDA11429  Scutellaria tuberosa G. F. Hrusa, M. Tu 1995-5-6 12152 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  JEPS62856  Scutellaria tuberosa Willis L. Jepson 1893-5-9 14939 Napa sw of St. Helena (Napa Valley, Niebaum's Dam); Napa Valley, Niebaum's Dam Comment
  JEPS106390  Sedum radiatum Jake Ruygt 1998-6-20 4043 Napa On Palisades trail from RLSSP, east of Table Rock. 701 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
  UCD19298  Selaginella James French 1970-4-17 s.n. Napa State Hwy 121, 7 mi. NE of Napa. Comment
  UC1199243  Senecio aronicoides Joseph P. Tracy 1933-6-2 12459 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, La Jota Plateau, Howell Moutain); Northern Coast Ranges, Howell Mountain, La Jota Plateau, hea 518 Comment
  JEPS37452  Senecio aronicoides W. L. Jepson 1938-5-22 18837 Napa Howell Mts. Comment
  RSA150721  Senecio clevelandii P. H. Raven 1962-5-31 17921 Napa 1.5 miles south of Knoxville Comment
  JEPS106861  Senecio flaccidus var. douglasii Jake Ruygt 1982-9-8 1384 Napa 1 mile east of HWY 128 on Berryessa-Knox ville Road 152 Comment
  JEPS37181  Senecio flaccidus var. douglasii W. L. Jepson 1894-10-13 Napa Conn Creek, mouth of Conn Valley Conn Valley Comment
  UCD161781  Senecio hydrophilus Jake Ruygt 1999-6-8 4180 Napa Fagan Slough. 1 Comment
  SFV4108  Senecio sylvaticus E. Parchim 1964-4-25 s. n. Napa Summit of Oakvillegrade Road, about 4 miles southwest of Oakville. Shale soil in burned (summer 1962) area south of road. Comment
  UCD135756  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa south of road, summit of Oakvillegrade Road. Around 4 miles southwest of Oakville. Comment
  UCD135861  Senecio vulgaris M. R. Wanzer 1948-3-18 2 Napa Putah Creek Canyon, 12 miles west of Winters. Comment
  CAS-BOT-BC240158  Setaria verticillata Peter H. Raven 1951-8-21 3879 Napa Lokoya 457 Comment
  CAS-BOT-BC240237  Setaria viridis Peter H. Raven 1952-9-14 5182 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC240239  Setaria viridis John H. Thomas 1966-5-8 11593 Napa At Louis Martini Winery, near St. Helena Comment
  UCD167172  Sidalcea calycosa subsp. calycosa Jake Ruygt 1982-6-21 1332 Napa Suscol Plain near Kaiser Steel, Rocktram. 1 Comment
  CAS-BOT-BC488333  Sidalcea diploscypha Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 Comment
  POM118525  Sidalcea diploscypha Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD160676  Sidalcea diploscypha Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8748 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  JEPS77785  Sidalcea diploscypha Douglas W. James Jr. 1973-5-5 91 Napa not far from the 4-H camp pool (Las Posadas State Forest); Las Posadas State Forest 335 Comment
  UCD13152  Sidalcea diploscypha Kathleen Worden 1981-5-26 18 Napa Napa CO. Highway 128, 1 mile west of Knoxville Rd. intersection. Comment
  RSA195296  Sidalcea hartwegii Gilbert Muth 1967-5-17 674 Napa Oat Hill Road, Calistoga 244 Comment
  JEPS117023  Sidalcea keckii David Gowen 2008-5-14 918 Napa Berryessa Knoxville Rd. ca. 4.5 miles south of Knoxville Tunnel, near milepost 29. Clayey slopes above west side of Eticuera Creek. 320 Comment
  SD133948  Sidalcea keckii Barbara Ertter, Annette Carter 1989-5-28 8500 Napa Berryessa-Knoxville Road north of Lake Berryessa, 4.7 miles south of Knoxville tunnel. 299 Comment
  JEPS110722  Sidalcea malviflora subsp. laciniata Jake Ruygt 1982-3-26 1150 Napa Suscol ridge SE of Rocktram 18 Comment
  UC108877  Sidalcea oregana subsp. hydrophila T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD170584  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  UCD48861  Silene gallica K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Down slope of West Rd., ca. 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd. Comment
  UC465687  Silene gallica C. F. Sonne April 1888 2176 Napa Comment
  JEPS106847  Sinapis arvensis Jake Ruygt 1987-4-5 1938 Napa Mt. Veeder Rd.,1.8 miles north of Redwood Rd. 161 Comment
  POM182695  Sisyrinchium bellum D. D. Keck 1931-4-2 1003 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  UCD35481  Sisyrinchium bellum Beecher Crampton 1957-4-15 3929 Napa Napa County; Vaca Mtns., Markley Canyon. Comment
  UCD166695  Sisyrinchium californicum Jake Ruygt 1986-4-19 1707 Napa north side of Mt. George. 310 Comment
  CHSC102304  Solanum americanum Lowell Ahart 2009-10-12 16456 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  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
  UCD148992  Solanum rostratum R. Breckenridge 2010-9-29 PDR 505910 4 Napa Lake Berryessa. 145 Comment
  CAS-BOT-BC365372  Solidago elongata John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC365093  Solidago velutina subsp. californica Peter H. Raven 1951-8-21 3872 Napa Mt. Veeder 762 Comment
  UCD18111  Solidago velutina subsp. californica K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 48 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  CAS-BOT-BC235337  Sorghum halepense James H. Kavanagh 1921-10-1 s.n. Napa Napa 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
  UCD35347  Spergularia macrotheca var. longistyla Beecher Crampton 1955-5-9 2752 Napa Napa County; 2 miles north of Calistoga. Comment
  CAS-BOT-BC390296  Spergularia macrotheca var. longistyla Peter H. Raven 1950-5-6 2000 Napa Near Calistoga Airfield, Calistoga 45 Comment
  UCD118611  Spergularia rubra William Goss; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 Comment
  CAS-BOT-BC390565  Spergularia rubra A. A. Heller; H. E. Brown 1902-4-25 6364 Napa Near Napa Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  UC14962  Spiranthes porrifolia J. P. Tracy 1899-6-19 445 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 518 Comment
  JEPS112646  Stachys ajugoides Jake Ruygt 1996-6-3 3742 b Napa Jameson Vinyards near South Kelly Road. 103 Comment
  JEPS62975  Stachys albens W. L. Jepson 1936-7-6 17652 Napa Sage Canyon Napa Range Comment
  JEPS62998  Stachys albens Willis L. Jepson 1897-7-12 14970 Napa Samuel's Springs to Aetna Springs Comment
  UCD166676  Stachys albens Jake Ruygt 1994-6-4 3393 Napa Lewelling Ranch, Sulphur Springs; road to upper meadow. 188 Comment
  POM196464  Stachys emersonii J. T. Howell 1926-3-20 1700 Napa Mt. St. Helena below the old tool house. 457 Comment
  UCD126061  Stachys rigida var. quercetorum M. Wiesendanger 1927-5-4 686 Napa Near Monticello. Comment
  UCD126032  Stachys rigida var. rigida M. Ensign 1943-5-28 308 Napa 10 miles N of Monticello on road to Lower Lake. Comment
  UC650401  Stellaria media Ira L. Wiggins 1928-3-25 2874 Napa 1.5 mi ne Calistoga 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
  UC92343  Stephanomeria elata Brandegee 1888-8-1 Napa Howell Mt. Comment
  JEPS126135  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2002-7-13 4443 Napa End of Redwood Road, Archer Taylor Preserve. Sonoma 7.5' Qua. Comment
  RSA769213  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above 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 air miles west of Winters. 133 Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  UC1565205  Stipa mauritanica Steve W. Edwards and Wayne Roderick 1990-3-11 s. n. Napa Old Toll Road on west side of Mt. St. Helena, not far below junction of Toll road west of Hwy. 29. Comment
  HSC44256  Stipa pulchra Robert M. Specht 1977-4-19 685 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  UCD169880  Stipa pulchra Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 720 Napa Knoxville Wildlife Area. 307 Comment
  CAS-BOT-BC61145  Streptanthus barbiger John Thomas Howell 1941-6-22 16323 Napa Hills southwest of Saint Helena. 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-BC61256  Streptanthus breweri C. Etienne 1972-6-11 s.n. Napa Above highway 29 ca. 1 mile south of Napa county line. 762 Comment
  RSA94058  Streptanthus glandulosus R. C. Barneby 1954-4-30 11335 Napa Conn Valley. near the slipway., 300 [ft? m?] Comment
  CAS-BOT-BC87163  Streptanthus glandulosus subsp. glandulosus Alice Eastwood 1915-6-6 4685 Napa Mount Saint Helena. Comment
  JEPS106603  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1998-5-20 3990 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 548 Comment
  RSA195351  Streptanthus glandulosus subsp. glandulosus Gilbert Muth 1967-5-17 685 Napa Summit of Oat Hill Road. 671 Comment
  UC1278007  Streptanthus glandulosus subsp. glandulosus B. Crampton 1957-5-16 4043 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD116005  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon. Comment
  UCD170193  Streptanthus glandulosus subsp. glandulosus Daniel Potter 2015-3-14 764 Napa Knoxville Wildlife Area, along Eticuera Creek east of Berryessa-Knoxville Road at the creek crossing just north of the Zim Zim Falls trailhead. 228 Comment
  UCD170352  Streptanthus glandulosus subsp. glandulosus Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 851 Napa Just north of Nevada Creek, west, east, and south of Knoxville Wildlife Area boundaries due to indentation in the southern boundary. 392 Comment
  UCD18076  Streptanthus glandulosus subsp. glandulosus Ellen Dean; with Plant Biology 102 class 2000-4-22 632 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
  JEPS96908  Streptanthus hesperidis Dean W. Taylor 1998-6-18 16670 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UCD74401  Streptanthus hesperidis Jake Ruygt 2003-6-21 4549 Napa About 0.9 mile SE of Knoxville site, west side of Berryessa-Knoxville Rd. 426 Comment
  JEPS96911  Streptanthus morrisonii Dean W. Taylor 1998-6-23 16690 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
Read comments
Apr 14 2012
  UCD149071  Streptanthus morrisonii G. Ledyard Stebbins 1985-6-17 C 533 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 Comment
  UCD161709  Streptanthus morrisonii Jake Ruygt 2010-7-5 5663 Napa east of White Point. (Coorindates converted from UTM data by label maker.) 658 Comment
  UC939443  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-6-14 1482 Napa outcrop on low saddle 1/4 mi w White's Point (Table Mtn. rd ca 5 mi e of Mountain Mill House) Comment
  JEPS106597  Streptanthus tortuosus var. tortuosus Jake Ruygt 1984-3-31 1519 Napa Devil's Canyon 554 Comment
  UC1292728  Streptanthus vimineus Freed W. Hoffman 1948-6-6 2329 Napa St. Helena Reservoir, Spring Mt. road Comment
  UCD63194  Symphyotrichum chilense Jake Ruygt 2005-3-20 4703 Napa Alston Park, Dry Creek Rd., Napa. 54 Comment
  JEPS104576  Symphyotrichum lentum Jake Ruygt 1993-10-24 3290 Napa near Fagan Slough. 0 Comment
  LA203051  Symphyotrichum lentum Milo S. Baker; 1932-9-24 6028 Napa southern outskirts of Napa City Comment
  UC165065  Symphyotrichum spathulatum Joseph P. Tracy 1904-5-23 2081 Napa near, (Napa Valley) Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS40868  Symphyotrichum spathulatum Willis L. Jepson 1893-9-28 Napa Lower Napa Valley , Napa River Basin Comment
  JEPS40792  Symphyotrichum subspicatum W. L. Jepson 1894-11-6 Napa Calistoga Comment
  CAS-BOT-BC221920  Taeniatherum caput-medusae Peter H. Raven 1951-5-26 2878 Napa Butts Canon [Canyon] 304 Comment
  CAS-BOT-BC211569  Tamarix parviflora Peter H. Raven 1951-10-28 3952 Napa Along Eticuera Creek, c. 8 mi. se of Knoxville 304 Comment
  JEPS122772  Tamarix parviflora Jake Ruygt 2011-5-7 5772 Napa Pope Canyon Road, Pope Creek, west of arm of Lake Berryessa. Quad: Walter Springs. Comment
  UCD167261  Tetrapteron graciliflorum Jake Ruygt 1992-3-28 2865 Napa Snell Valley just west of Stagecoach Canyon Road. 195 Comment
  UC9680  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa gorge n Wooden Valley grade; Napa River Basin Comment
  CAS-BOT-BC399739  Thalictrum polycarpum Betty H. Johnson 1958-6-20 662 Napa Near Mt. Mill House, 6.4 mi. S.-W. of Middletown Comment
  JEPS65660  Thermopsis californica var. californica W. L. Jepson 1938-5-22 18832 Napa South Fork Butts Canyon Comment
  SEINET9316582  Thermopsis californica var. californica Unknown 1989-4-29 6045 Napa Lightly shaded understory of Quercus agrifolia, Umbellularia woodland on Chiles Valley Rd., approx. 2 km N of jct of Hwy 128 and Chiles Valley Rd. Comment
  UC1197481  Thermopsis californica var. californica Joseph P. Tracy 1899-6-19 399 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD108634  Thermopsis californica var. californica M. Wiesendanger 1927-5-4 689 Napa Monticello-Napa Rd. Comment
  POM20376  Thermopsis californica var. californica C. F. Baker 1902-5-8 3081 Napa Knoxville. Comment
  HSC43964  Thermopsis macrophylla Robert M. Specht 1977-4-11 617 Napa Along drainage of Pocock Creek 500 Comment
  SEINET7075534  Thermopsis macrophylla var. venosa 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
  JEPS126134  Thlaspi arvense Jake Ruygt 2003-4-14 4497 Napa Near confluence of Foley and Eticuera Creek. Knoxville 7.5' Qua. Comment
  CAS-BOT-BC66481  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6066 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  CAS-BOT-BC66511  Thysanocarpus curvipes John H. Thomas 1968-4-4 14279 Napa Along Highway 128, about 11 miles east of Rutherford (as measured along the road) and about 12 miles S of Pope Valley. Comment
  JEPS106588  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2879 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  JEPS54167  Thysanocarpus curvipes W. L. Jepson 1897-5-2 30 f Napa St. Helena Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UCD19948  Thysanocarpus curvipes Ellen Dean; Virginia Boucher 2002-2-28 897 Napa Quail Ridge Reserve. Along West Rd., 0.9 airline miles NNW of junction of West Rd and Decker Canyon trail. 274 Comment
  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-BC66477  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6097 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66508  Thysanocarpus curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles north of Calistoga on road to Lakeport. Comment
  JEPS54166  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 e Napa e St. Helena; Napa River Basin, e of St. Helena Comment
  RSA0057573  Thysanocarpus curvipes David D. Keck 1931-4-2 1035 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  UCD14241  Thysanocarpus curvipes Lisa McNair 1974-4-4 11 Napa At Monicello Dam on Highway 128. 243 Comment
  RSA0039334  Thysanocarpus curvipes var. curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  RSA122894  Thysanocarpus curvipes var. curvipes B. O. Schreiber 1938-4-24 2496 Napa Wooden Valley Grade, 5.2 miles NNE of Napa 274 Comment
  RSA195381  Thysanocarpus curvipes var. curvipes Gilbert Muth 1967-4-16 639 Napa Snell Valley. 183 Comment
  JEPS54141  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa on road to Myrtledale Hot Springs 1 1/4 mi from Calistoga Comment
  CAS-BOT-BC67312  Thysanocarpus radians M. S. Jussel 1931-4-19 s.n. Napa Pope Valley. 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
  UCD149580  Torilis arvensis 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
  UCD47846  Torilis nodosa Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. Comment
  CAS-BOT-BC85170  Torreya californica Carl B. Wolf 1928-5-4 1865 Napa Mt. St. Helena Comment
  CAS-BOT-BC85172  Torreya californica John A. Sutro 1971-9-8 s.n. Napa Sutro Ranch, Mt. Atlas 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
  UCD20003  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-5-4 1236 Napa 8 miles north of Calistoga on Hwy 29. 1 mile north of crest of Hwy 29 on Mt. St. Helena. Comment
  UCD67492  Toxicodendron diversilobum D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland in eastern slopes. 350 Comment
  UCD141585  Toxicoscordion fontanum Ellen Dean 2013-4-27 7709 Napa Las Posadas State Forest. East of the Town of Angwin, East of Las Posadas Rd. Ca. 0.1 mile from Fire Station, along dirt road that travels North/Northeast from station. North side of road. 519 Comment
  UCD170293  Toxicoscordion fremontii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 833 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 428 Comment
  UCD18017  Toxicoscordion fremontii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 562 Napa Napa County. McLaughlin Reserve. Along Knoxville -- Berryessa Rd., just NW of jct. with Devil Head Rd. N side of Knoxville -- Berryessa Rd. 426 Comment
  CDA30789  Trichostema laxum V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS63142  Trichostema laxum John Thomas Howell 1927-8-24 3046 Napa Pope Valley Creek below Walters Springs, E of Napa Range Comment
  JEPS63150  Trichostema laxum Alice King Jul 1919 Napa Van Ness ranch, Mt. St. Helena Comment
  UCD166642  Trichostema laxum Jake Ruygt 2007-7-1 5245 Napa west of Hwy 29, near Lake County line. 541 Comment
  UCD67610  Trichostema laxum D. Sanchez-Mata 1996-7-15 s.n. Napa Winters-Napa. Capell Valley. Serpentine plant communities near the stream in Capell Creek. 250 Comment
  OBI13450  Trichostema laxum Robert F. Hoover 1966-8-23 9919 Napa E side of Mt. St. Helena Comment
  RSA703  Trichostema laxum J. T. Howell 1927-8-24 686 Napa Near Walter s Spring, Napa Range. Comment
  JEPS120347  Trichostema ruygtii Jake Ruygt 2004-9-18 4666 Napa Soda Springs Road, 0.3 mile east of Soda Canyon Road. Yountville 7.5' Quad. Comment
  RSA0004018  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 482 Comment
  UCR25326  Trientalis latifolia John C. Roos 1939-4-29 290 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UC1925907  Trifolium Ethel Crum 1931-1 1047 Napa Four miles from Yountville. Comment
  UC137702  Trifolium albopurpureum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena, Napa Co. Comment
  UC1925866  Trifolium albopurpureum var. albopurpureum Ethel Crum 1931-1 1061 Napa Pope Valley Comment
  UC457175  Trifolium albopurpureum var. albopurpureum David D. Keck 1931-4-2 1039 Napa 10 mi from Napa (between Wooden Valley and Monticello); east base of the Napa Range Comment
  UC160915  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-18 1542 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 518 Comment
  JEPS65845  Trifolium albopurpureum var. dichotomum W. L. Jepson 1893-4-25 13664 Napa w St. Helena (rd to Caux's Cabin); Hoods Peak Range Comment
  CDA10884  Trifolium bifidum G. F. Hrusa, M. Rejmanek 1993-5-15 10979 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS106794  Trifolium bifidum var. decipiens Jake Ruygt 1993-5-24 3269 Napa Las Posadas State Forest 524 Comment
  UCD83440  Trifolium bifidum var. decipiens Jake Ruygt 1996-5-13 3677 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 466 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
  UC1543228  Trifolium ciliolatum Donald G. Nelson 1936-4-1 124 Napa along trail (to Green Valley Falls) Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  UC555402  Trifolium depauperatum var. depauperatum H. L. Mason 1928-4-13 4336 Napa near spring (Reili School) Comment
  UC917166  Trifolium depauperatum var. truncatum D. C. Finfrock 1950-4-6 21 Napa 14 mi from Monticello (Mountain meadow); Pope valley Comment
  UCD108528  Trifolium depauperatum var. truncatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCR146185  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa Inner North Coast Ranges, 12 miles east of Rutherford, along Hwy. 128 305 Comment
  JEPS106806  Trifolium fucatum Jake Ruygt 1982-5-8 1228 Napa American Canyon Rd. north side of road 121 Comment
  JEPS106809  Trifolium fucatum Jake Ruygt 1984-4-21 1530 Napa Tubbs Lane at Myrtledale Rd. 118 Comment
  UCD35289  Trifolium fucatum Beecher Crampton 1955-4-7 2435 Napa 7.8 miles north of Monticello. 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
  UCD18008  Trifolium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-28 740 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. north of jct. with South Decker Canyon Rd. 243 Comment
  UC137697  Trifolium gracilentum C. F. Baker 1903-4-19 1985 Napa Calistoga Comment
  UC16633  Trifolium microcephalum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD159935  Trifolium microcephalum 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
  RSA10698  Trifolium microcephalum Carl B. Wolf 1928-5-3 1789 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD168552  Trifolium subterraneum 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
  JEPS106717  Trifolium tomentosum Jake Ruygt 1979-4-11 501 Napa .2 mile west of Suscol Ave. on Imola Ave 6 Comment
  UCD35746  Trifolium variegatum Beecher Crampton 1953-3-24 1033 Napa Eight miles north of Napa along the road to Soda Springs. Comment
  UCD38371  Trifolium variegatum Beecher Crampton 1955-4-4 2389 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  POM216217  Trifolium variegatum var. melananthum D. D. Keck 1933-5-28 2336 Napa Between Pope Valley P.O. and Walters Springs. Comment
  JEPS4395  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-27 13706 Napa Yountville; Napa Valley Comment
Read comments
Feb 1 2008
  JEPS106753  Trifolium willdenovii Jake Ruygt 1995-4-17 3432 Napa end of Niebaum Rd., Rutherford. 82 Comment
  RSA195304  Trifolium willdenovii Gilbert Muth 1967-4-16 643 Napa Snell Valley. 183 Comment
  CAS-BOT-BC451904  Triglochin maritima Peter H. Raven 1952-8-26 5137 Napa Nr. Bentley Wharf 15 Comment
  UCD166663  Triglochin maritima Jake Ruygt 1986-5-17 1770 Napa west end of Suscol Rd, below southern crossing of Hwy 29.. 1 Comment
  UC504873  Trillium albidum R. M. Holman 1933-4-12 Napa near Mt. Veeder Mt. Veeder Comment
  CAS-BOT-BC521017  Trillium chloropetalum var. giganteum Clara Hunt 1921-4-1 s. n. Napa St. Helena Comment
  CAS-BOT-BC521019  Trillium chloropetalum var. giganteum Alice Eastwood 1918-5-1 6859 Napa Mt St. Helena Comment
  UCD167132  Triodanis biflora Jake Ruygt 2015-5-23 6114 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS74862  Triphysaria T. I. and F. M. Chuang 1975-5-4 7502 Napa on highway 29, 4.2 mi s Napa Comment
  UCD123399  Triphysaria eriantha M. Wiesendanger 1927-5-4 670 Napa Near Monticello. Comment
  UCD78099  Triphysaria pusilla Robert E. Preston 2005-3-10 2316 Napa Mouth of Long Canyon 312 Comment
  JEPS3976  Triphysaria pusilla Willis L. Jepson 1893-4-25 21410 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, lower hillsides Comment
  UC1301205  Triphysaria pusilla Helen K. Sharsmith 1963-4-20 5327 Napa off of Kelly Road 4 mi s Napa; San Francisco Bay Region 45 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
  JEPS10431  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley; Napa Range, Conn Valley Comment
  JEPS110677  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1978-4-30 282 Napa .1 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  SJSU11599  Triphysaria versicolor subsp. faucibarbata E. C. Garbett 1961-4-15 288 Napa by rd between Vallejo & Brown Valley Rd Comment
  HSC20861  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa W Imola Ave., 1 mi. W of Hwy. 12 & 29 Comment
  HSC60268  Triphysaria versicolor subsp. faucibarbata R. W. Spjut 1979-4-8 5454 Napa Within Napa city limits just off Hwy. 121 Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  UCD73052  Trisetum canescens Ellen Dean; S. Rae 2008-5-21 4971 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  JEPS58047  Triteleia laxa R. H. Platt May 1916 Napa nw of Berryessa Valley (above Pope Valley); Upper Putah Creek Comment
  UCD102761  Triteleia laxa Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 180 Comment
  UCD18174  Triteleia laxa Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UC422833  Triteleia laxa H. P. Chandler 1907-5-8 7564 Napa White Sulphur Spr. St. Helena Comment
  UCD21718  Triteleia laxa Robin McMaster 1972-4-9 49 Napa Lake Berryessa, shaded grassy slope. Comment
Read comments
Dec 18 2011
  RSA123617  Triteleia lugens Milo S. Baker 1942-5-7 10192 Napa Divide between Santa Rosa & Napa Valley at point west of St. Helena town, near summit of Spring Mountain road Comment
  JEPS118640  Triteleia peduncularis B. Castro and L. P. Janeway 2002-5-12 1357 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. Jericho Valley 7.5' quad. Comment
  UCD63053  Triteleia peduncularis Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  CAS-BOT-BC527963  Triteleia peduncularis R. F. Hoover 1938-6-8 3541 Napa South Fork of Butts Creek Comment
  UC765431  Triteleia peduncularis R. F. Hoover 1941-5-10 5006 Napa betw St. Helena and Calistoga Comment
  UCD161689  Triteleia peduncularis Jake Ruygt 2009-5-22 5412 Napa American Canyon, across road from quarry. 85 Comment
  UCD35479  Tropidocarpum gracile Beecher Crampton 1957-4-15 3931 Napa Vaca Mtns., east slope of Wragg Canyon, Hwy. 128. Comment
  CDA15406  Umbellularia californica G. F. Hrusa 1997-2-3 13619 Napa North Coast Biodiversity Arena; Slopes on SW margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Comment
  RSA187424  Umbellularia californica John H. Thomas 1966-3-22 11530 Napa R. L. Stevenson State Park on the eastern slopes of Mt. St. Helena along highway 29 between Middletown and Calistoga. 762 Comment
  RSA245297  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa 128 just west of Lake Hennessey. Comment
  RSA699239  Umbellularia californica Keith E. Hoffmaster 1936-3-9 s.n. Napa Napa range, along Napa-Monticello road Comment
  UC9874  Umbellularia californica Mrs. D. O. Hunt 1899-3-6 Napa St. Helena 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
  JEPS106871  Uropappus lindleyi Jake Ruygt 1982-3-20 1137 Napa Campbell Flat, Mt.St.John 323 Comment
  UCD39036  Uropappus lindleyi Beecher Crampton 1962-5-16 6440 Napa 0.25 mile northwest of the junction of State Hwy. 128 and Spanish-Flat Lake Berryessa Road. Comment
  CDA11154  Vaccinium ovatum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11565 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. above Sarco Creek. Comment
  JEPS11173  Verbascum blattaria W. L. Jepson 1936-6-2 17607 Napa near bridge on road to Sanitarium St. Helena (banks of Napa River); , St. Helena Comment
  JEPS115682  Verbena lasiostachys var. lasiostachys Lowell Ahart 2009-10-27 16495 Napa Below the high water line of Lake Berryessa, about 50 yards east of Eticuera Creek, about 100 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
  JEPS110737  Verbena lasiostachys var. scabrida Jake Ruygt 1979-7-28 780 Napa 2 miles north of fire trail up Mt. St. Helena on HWY 29 487 Comment
  UCD160041  Veronica anagallis-aquatica Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve. Hunting Creek at Napa County line crossing. 609 Comment
  JEPS110605  Veronica catenata Jake Ruygt 2004-6-12 4616 Napa 3/4 mi E of Blue Monday Mine 335 Comment
  UCD124756  Veronica persica M. R. Wanzer 1948-5-22 27 Napa Putah Creek Canyon, 12.5 miles west of Winters. Comment
  UCD20827  Vicia sativa N. Nicola 2001-3-30 43 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  SEINET7042499  Vicia sativa A. G. Vestal 1963-4-7 s.n. Napa 3.8 miles north of Saint Helena on the Silverado Trail. Saint Helena quadrangle UTM Zone 10, 544281mE, 4266677mN. Comment
  UCD170735  Vicia villosa 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
  RSA801969  Viola Keith E. Hoffmaster 1946-3-23 1262 Napa Napa range, near summit of Napa-Monticello road. Comment