Search Results — 2000 specimen records retrieved (1474 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC331521  Acer macrophyllum Elsa G. Ruckert 1960-3-26 46 Napa 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC331525  Acer macrophyllum Alice Eastwood 1918-5-1 6870 Napa Mt. St. Helena Comment
  UCD117016  Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa. Comment
  UCSB19170  Acer macrophyllum Rankine, Jane 1965-4-13 Napa 3 miles west of pope Valley on the road between rope Valley and Anqwin Comment
  SFV8398  Achillea millefolium C. Bornman 1962-5-17 69 Napa About 1 mile west of Lake Berryessa on State Highway 128. North slope. 137 Comment
  CAS-BOT-BC211901  Achnatherum coronatum G. L. Stebbins 1966-5-28 6426 Napa Markley Canyon, along State Highway 128, 3.5 miles west of Berryessa Dam 152 Comment
  CAS-BOT-BC29759  Achyrachaena mollis Peter H. Raven 1950-5-6 2021 Napa near Old Faithful Geyser, N of Calistoga 182 Comment
  JEPS104508  Achyrachaena mollis Jake Ruygt 1982-4-14 1184 Napa Suscol Plain east of Kaiser Steel 1 Comment
  UCD18081  Achyrachaena mollis Ellen Dean; with PLB 102 class 2000-4-22 636 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  CAS-BOT-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
  UC912571  Achyrachaena mollis A. E. Borell 1928-4-13 142 Napa 6 mi nw Calistoga Comment
  JEPS126082  Acmispon americanus var. americanus Jake Ruygt 1998-6-16 4029 Napa North of Barnett Roas, Pope Valley. Saint Helena 7.5' Qua. Comment
  UCD18112  Acmispon americanus var. americanus K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 49 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
  UCD63351  Acmispon americanus var. americanus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 200 Comment
  UCD75713  Acmispon americanus var. americanus Jake Ruygt 1986-7-12 1875 Napa Napa River, south of confluence withTulocay Cr. 1 Comment
  UCD118567  Acmispon brachycarpus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on S side of road. 518 Comment
  UCD16011  Acmispon brachycarpus L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 8 Napa McLaughlin Reserve, McLaughlin Reserve, east side of Devilhead Road 38 deg. 49' 14'' N, 122 deg. 21 12'' W; 540 m. Comment
  UCD35291  Acmispon brachycarpus Beecher Crampton 1955-4-7 2433 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD75711  Acmispon glaber Jake Ruygt 2008-6-25 4931 Napa Peak below and SW of Berryessa Peak. 762 Comment
  UCD48948  Acmispon glaber var. glaber K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Along West Rd., ca. 0.38 as the crow flies miles (1500 ft.) NW of jct, with S. Decker Canyon Rd. 237 Comment
  UCD73428  Acmispon glaber var. glaber Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD104346  Acmispon parviflorus M. Wiesendanger 1927-5-4 695 Napa Monticello-Napa Rd. Comment
  UCD149712  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD81831  Acmispon parviflorus Ellen Dean 2009-4-24 5461 Napa Property at 600 Petrified Forest Road. 170 Comment
  CHSC27761  Acmispon wrangelianus Ethel Pearson 1978-3-24 2 Napa Ca. 2.8 mi w of junction of State Hwy 128 and Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  UCD148810  Acmispon wrangelianus Ellen Dean; Diana Hickson 2014-4-29 8117 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD104516  Acmispon wrangelianus Robert E. Preston 1988-4-10 584 Napa 0.3 mi SE of the confluence of Putah and Hunting Creeks, on w-facing slope. 243 Comment
  CAS-BOT-BC29284  Adenocaulon bicolor Betty H. Johnson 1958-6-20 673 Napa Old Toll Road, about 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  UC924242  Adenocaulon bicolor H. S. Reed 1942-8-2 Napa Mount Veeder 609 Comment
  CAS-BOT-BC133133  Adenostoma fasciculatum H. E. McMinn 1925-1-23 1366 Napa Summit Wooden Valley Grade Comment
  SEINET215111  Adenostoma fasciculatum Ben Henry 1973-5-5 30 Napa 2 miles above Monticello Dam on State Highway 128. Comment
  UCD159946  Adenostoma fasciculatum Alice Warrick 2008-4-22 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  UCD48197  Adenostoma fasciculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 9 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD164818  Adiantum aleuticum Jake Ruygt 2013-5-18 5907 Napa Las Posadas State Forest. 367 Comment
  CAS-BOT-BC65667  Adiantum jordanii Carl B. Wolf 1928-5-3 1843 Napa base of Mt. St. Helena Comment
  RSA491726  Adiantum jordanii James L. Reveal 1987-6-7 6397 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 610 Comment
  UCD48357  Adiantum jordanii C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello dam; along Decker Bay Trail, 45 ft. NW from junction with West Rd. 152 Comment
  UCD14797  Adiantum jordanii Matt Gause 1991-6-2 23 Napa 6.8 miles out of the city of Napa along Highway 121. 231 Comment
  CAS-BOT-BC110729  Aegilops triuncialis A. Delfino 1970-6-17 s.n. Napa 40 acres of dry rangeland, J. Belcher property, Wooden Valley. Comment
  UCD167151  Aegilops triuncialis Jake Ruygt 2015-5-9 6094 Napa Missimer - Snell Valley Preserve. 174 Comment
  UC768683  Agoseris grandiflora var. grandiflora Robert F. Hoover 1941-6-8 5323 Napa E side of Mt. St. Helena. Comment
  POM182727  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  UCD63193  Agoseris heterophylla Jake Ruygt 1980-4-22 840 Napa Napa Valley, Pope Canyon Rd. 0.9 miles west of Walter Springs bridge (old). 195 Comment
  CAS-BOT-BC46060  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  UC165998  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-21 1602 Napa 3 to 4 mis e, (head of Moore's Cr) Angwin's; Howell Mt., Moore's Creek 426 Comment
  CAS-BOT-BC127401  Agrostis elliottiana Peter H. Raven 1955-4-9 8268 Napa Howell Mountain (west slope). 457 Comment
  RSA170267  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UCD51702  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 3-4 miles east of Angwin's, Howell Mountain. 518 Comment
  CAS-BOT-BC127137  Agrostis exarata Peter H. Raven 1951-10-28 3926 Napa Conn Valley. 152 Comment
  UCD32918  Agrostis exarata var. monolepis Beecher Crampton 1965-7-7 7441 Napa Napa County, north end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  CAS-BOT-BC139522  Agrostis hallii Peter H. Raven 1951-6-24 3013 Napa Browns Valley. 30 Comment
  CAS-BOT-BC138823  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Meadow, Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCD53041  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  CAS-BOT-BC139013  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Northern Coast Ranges. 243 Comment
  JEPS71141  Agrostis pallens W. L. Jepson 1936-7-3 17636 Napa Four Corners Napa Range, Howell Mt. Comment
  UCD159958  Aira caryophyllea Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  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
  POM182671  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE from the summit of Mt. St. Helena, northern Napa County. Comment
  CHSC108736  Allium falcifolium B. Castro; L. P. Janeway 2002-5-12 1364 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  UCR43106  Allium falcifolium 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
  RSA22699  Allium falcifolium J. Morrison, Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  RSA91736  Allium falcifolium Beecher Crampton 1953-5-19 1302 Napa State highway 128, 11 miles east of Rutherford. 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
  UC629766  Allium falcifolium John Morrison, Annetta Carter 1938-4-24 1355 Napa on road from Monticello to Lower Lake 0.6 mi w Knoxville Comment
  UCD138524  Allium falcifolium Robert E. Preston 1988-4-10 587 Napa ca. 0.6 mi ESE of Confluence of Putah and Hunting Creeks. 335 Comment
  UCD141791  Allium falcifolium L. K. Mann 1957-4-18 s.n. Napa above road aout 1/4 mile east of crest on Conn Dam. Comment
  SEINET195017  Allium fimbriatum A. A. Heller 1941-5-3 16127 Napa Near summit of first ridge W of Knoxville Comment
  CAS-BOT-BC472783  Allium neapolitanum Alice Ackley 1957-3-30 s.n. Napa 2 miles east of Napa Comment
  CDA33428  Allium paniculatum CDFA Staff 1978-4-6 Napa Calistoga 0 Comment
  UCD148830  Allium serra Ellen Dean; Diana Hickson 2014-4-29 8135 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 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
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS58611  Alnus rhombifolia Willis L. Jepson 1901-8-6 1717 Napa White Sulphur Springs Napa River Basin Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  CHSC102274  Amaranthus californicus Lowell Ahart 2009-10-12 16470 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SD211531  Amaranthus californicus Barbara Ertter, Elizabeth Neese 1988-10-2 7969 Napa Lake Hennessey circa 15 airmiles North-northwest of Napa on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  UCD161575  Amaranthus powellii Jake Ruygt 2006-9-5 5096 Napa Rector Creek about 4/10 mile east of Conn Creek. 41 Comment
  UC1127815  Amelanchier utahensis B. Schreiber 1936-3-5 2207 Napa 0.3 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
Read comments
Jun 12 2012
  JEPS16025  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley, Union Station Comment
  UC1197392  Ammi majus Joseph P. Tracy 1938-8-7 16092 Napa Yountville 30 Comment
  UC2061508  Ammi majus Dean G. Kelch 2016-7-9 16 .151 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  CAS-BOT-BC177210  Amorpha californica var. napensis Peter H. Raven 1951-8-19 3845 Napa Near Lokoya 487 Comment
  UCD161230  Amsinckia intermedia Jake Ruygt 2010-3-27 5494 Napa Silverado Trail north of Skellinger Lane. (Coordinates estimated by label maker at UC Davis). 56 Comment
  JEPS20860  Amsinckia intermedia W. L. Jepson 1915-4-23 6253 Napa Coun Valley; Napa Range, Coun Valley Comment
  JEPS61162  Amsinckia intermedia Elsa Kraeger 1926-3-27 Napa roadside near Soscol Comment
  UC1094053  Amsinckia intermedia Francia Chisaki 1954-4-15 594 Napa 12.7 mi n of its cut-off from Highway #29 (on Silverado Trail); Silverado Trail Comment
  UC1191038  Amsinckia intermedia Francia Chisaki 1954-4-15 596 Napa about 2 mi s Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD170186  Amsinckia menziesii Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 771 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  CAS-BOT-BC64137  Ancistrocarphus filagineus John Thomas Howell 1931-4-19 6446 Napa Conn Valley 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
  CAS-BOT-BC64144  Ancistrocarphus filagineus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CHSC108729  Ancistrocarphus filagineus B. Castro; L. P. Janeway 2002-5-12 1371 B Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  UCD118509  Ancistrocarphus filagineus Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. South side of road. 417 Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  UCD148106  Angelica tomentosa Jake Ruygt 1999-7-28 4213 Napa Sage Canyon Rd. near Conn Dam. 79 Comment
  UCD151214  Angelica tomentosa Jake Ruygt 1999-7-28 4213 Napa Sage Canyon Rd. near Conn Dam. 79 Comment
  HSC71976  Angelica tomentosa J. M. DiTomaso 1980-7-8 1740 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29 610 Comment
  UC20801  Angelica tomentosa W. L. Jepson Aug. 1892 Napa near St. Helena (Napa Valley); Napa Valley Comment
  UC20806  Angelica tomentosa Willis L. Jepson August, 1892 Napa Napa Valley Comment
  CAS-BOT-BC84722  Anthemis cotula Peter H. Raven 1950-6-20 2356 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  UCD36376  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa Napa County, 8 miles south of Middletown, small meadow along Highway 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
  UCD63860  Antirrhinum cornutum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  JEPS83370  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 333 Napa 1.3 mi w Hwy. 29/128 in St. Helena (on Spring Street (not Spring Mt. Rd.), nw side of road at center of curve); St. Helena, Rutherford Quad. (7.5', 1951) 106 Comment
  UC1196865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. P. Tracy 367 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  UC147871  Antirrhinum virga J. P. Tracy 1899-6-18 368 Napa 3-4 mi e Angwin's (La Jota Plateau, Head of Moore's Creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC483303  Aphanes macrosepala Ira L. Wiggins 1932-3-12 5763 Napa between Franz Valley and Calistoga Comment
  POM202741  Aphanes occidentalis I. L. Wiggins 1932-4-12 5763 Napa Hillside betw Franz Valley and Calistoga Comment
  UCD126301  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. 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
  UCSB1937  Aquilegia formosa Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 Comment
  UC1051669  Aquilegia formosa Peter Kamb and Francia Chisaki 1950-4-22 1757 Napa w side of Wooden Valley on Claifornia Hwy 37 243 Comment
  UCD114143  Arabis modesta Glen Holstein 1979-3-22 s.n. Napa Along south side of State Highway 128 at Monticello Dam. 170 Comment
  JEPS66570  Arbutus menziesii Willis L. Jepson 1893-4-25 14653 Napa w of St. Helena (Trail to Caux's Cabin); Napa River Basin Comment
  UCD117478  Arbutus menziesii L. Flaherty 1991-4-4 s.n. Napa Near Los Posadas. Comment
  LA42154  Arctostaphylos canescens Joseph Andorfer Ewan; 1937-5-23 10335 Napa Mount Saint Helena, Summit trail Comment
  CAS-BOT-BC23955  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1859 Napa Upper slopes of Mt. St. Helena Comment
  CAS-BOT-BC23956  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1858 Napa Mt. St. Helena Comment
  CAS-BOT-BC23960  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-5-5 11300 Napa Mt. St. Helena Comment
  CAS-BOT-BC23980  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11115 Napa Mt. St. Helena Comment
  CAS-BOT-BC23986  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa 1 mi. north of summit of Mt. St. Helena Comment
  CDA11150  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11561 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  RSA182020  Arctostaphylos canescens subsp. canescens W. L. Jepson 1893-4-25 14698 Napa Aux's Knob, west of St. Helena. Comment
  RSA70861  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4564 Napa Crater Country' near Mt. St. Helena. Comment
  UC674740  Arctostaphylos canescens subsp. canescens W. K. Fisher 1900-9-9 Napa Mt. St. Helena 853 Comment
  UCD148754  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-3-27 5489 Napa Napa County; Archer Taylor Preserve, south of Bismark Knob. 630 Comment
  JEPS120407  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5498 Napa Archer Taylor Preserve, east slope of Bismark Knob above Devil's Well. Comment
  UCR23644  Arctostaphylos glandulosa John C. Roos 1939-4-16 276 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  RSA10632  Arctostaphylos glandulosa subsp. cushingiana C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  CAS-BOT-BC23150  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1915-6-7 4703 Napa Mt. St. Helena Comment
  JEPS106417  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1981-4-12 974 Napa Grassy Hill near Palisades 670 Comment
  JEPS49565  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 17996 Napa Adam-and-Eve Ridge Howell Mtn. Comment
  SJSU5719  Arctostaphylos glandulosa subsp. glandulosa Lewis S. Rose 1964-4-2 64016 Napa 9 mi SW of Angwin 243 Comment
  UC1120313  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1936-9-20 711 Napa Mt. St. Helena Calistoga Quadrangle Comment
  UC571225  Arctostaphylos glandulosa subsp. glandulosa H. L. Mason 1925-1-23 1205 a Napa Wooden Valley Grade Comment
  POM264995  Arctostaphylos manzanita I. L. Wiggins 1928-3-24 2861 A Napa Grade on old road to Lake Co. above Calistoga. Comment
  POM367347  Arctostaphylos manzanita H. de Forest 1930-3-23 14613 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  UCD52040  Arctostaphylos manzanita Heidi E. M. Dobson 1978-4-8 315 Napa East slope of Mt. Veeder. Comment
  CAS-BOT-BC38916  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1930-3-23 4561 Napa About 1 mile se. of Mt. St. Helena Inn, Near Mt. St. Helena Comment
  JEPS106416  Arctostaphylos manzanita subsp. elegans Jake Ruygt 1978-3-19 245 Napa Mt. St. Helena 1097 Comment
  POM125381  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  RSA7411  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  UCD73423  Arctostaphylos manzanita subsp. glaucescens Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC24284  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-8-27 11633 Napa Sage Canyon, Napa Range. Comment
  CAS-BOT-BC38760  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa wooden Valley Grade Comment
  CAS-BOT-BC38766  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4558 Napa About 1 mile se. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  JEPS120406  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5113 Napa Mt. Veeder Road, 0.2 mi. south of Lokoya Road. 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
  JEPS38708  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1898-1-4 14715 Napa Howell Mt. Howell Mt. (near type locality) Comment
  UC1005686  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 593 Napa 5 mi e Napa (just n of Mt. George) 228 Comment
  UCD82605  Arctostaphylos manzanita subsp. manzanita Ellen Dean; T. Starbuck 2009-5-4 5543 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC43828  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa between Calistoga and Franz Valley Comment
  CAS-BOT-BC43830  Arctostaphylos stanfordiana C. Hart Merriam 1898-10-22 s.n. Napa West of Calistoga Comment
  CAS-BOT-BC43835  Arctostaphylos stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mi north of Summit of Mt. St. Helena grade Comment
  CAS-BOT-BC43836  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-22 s.n. Napa La Jota Plateau, Howell Mt., Napa River Basin Comment
  CAS-BOT-BC43870  Arctostaphylos stanfordiana Alice Eastwood 1922-5-4 11276 Napa Mt. St. Helena Comment
  HSC7716  Arctostaphylos stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles W of Angwin 244 Comment
  JEPS38675  Arctostaphylos stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Napa Range Comment
  SD64429  Arctostaphylos stanfordiana Darley F. Howe 1966-6-3 4264 Napa 3 mi. S of Angwine 305 Comment
  UC571224  Arctostaphylos stanfordiana H. L. Mason 1925-1-22 1202 Napa Wooden Valley Grade Comment
  UCD53857  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mile W Aetna Springs. Comment
  SEINET8729967 Image available Arctostaphylos stanfordiana Lewis S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi. NE. of Napa. Comment
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  POM301551  Arctostaphylos stanfordiana subsp. stanfordiana N. Hollister 1909-07 13 Napa Mt. George Comment
  POM367455  Arctostaphylos stanfordiana subsp. stanfordiana H. de Forest 1930-3-23 14618 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA195289  Arctostaphylos stanfordiana subsp. stanfordiana Gilbert Muth 1967-4-9 608 Napa Aetna Springs to Callistoga Road. 671 Comment
  RSA602256  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SBBG115367  Arctostaphylos stanfordiana subsp. stanfordiana B. Crampton 1962-5-16 6429 Napa ca. 0.5 mi W of Aetna Springs Comment
  SBBG5508  Arctostaphylos stanfordiana subsp. stanfordiana E. R. Blakley 1956-12-23 2017 Napa trail to Linda Falls, Angwin 426 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
  JEPS78439  Arctostaphylos viscida subsp. viscida Edward Lee 1936-3-15 1808 Napa Rutherford-Pope Valley Rd 10.7 mi out Rutherford Comment
  SBBG19110  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2018 Napa trail to Linda Falls, Angwin 426 Comment
  UC1388341  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-19 925 Napa 1 mi nw Knoxville (Lake-Napa Co. line); North Coast Ranges Comment
  LA76972  Aristolochia californica Annetta M. Carter; 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 mi. out of Rurtherord on road to Pope Valley Comment
  RSA339719B  Aristolochia californica F. R. Fosberg 1967-9-10 48642 Napa Near Haven place above St Helena Comment
  SEINET4208224  Aristolochia californica Richard R. Halse 2013-3-27 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners.; 0 239 Comment
  UC545801  Aristolochia californica Annetta M. Carter 1936-3-15 1040 Napa on rd. to Pope Valley 3.4 mi. out of Rutherford (Conn Creek Canyon); Conn Creek Canyon Comment
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Sep 12 2013
  UCD137815  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa north bank of Putah Creek, 8.6 miles west of Winters. Comment
  JEPS104525  Arnica discoidea Jake Ruygt 1978-5-7 293 Napa .5 miles south of Monticello Rd. on road to Wild Horse Valley 414 Comment
  UC1301063  Arnica discoidea Helen K. Sharsmith 1963-4-20 5350 Napa Monticello Road, sw slope of Napa Range San Francisco Bay Region, Napa Range 152 Comment
  SEINET251850  Artemisia arbuscula subsp. arbuscula L. Shultz, J. Shultz 1986-9-20 10231 Napa Hills west of Calistoga 180 Comment
  JEPS104559  Asarum caudatum Jake Ruygt 1980-3-30 821 Napa Van Ness Canyon 609 Comment
  SEINET198881  Asclepias cordifolia H. E. Cott 1949-6-5 A- 137 Napa Along State Highway 28, Monticello mouth of Putah Canyon. Comment
  CAS-BOT-BC478837  Asparagus officinalis Peter H. Raven 1955-8-27 8759 Napa Cuttings Wharf 3 Comment
  JEPS60029  Aspidotis densa W. L. Jepson 1924-4-27 10382 Napa Mt. St. Helena Comment
  UC770079  Aspidotis densa R. F. Hoover 1940-8-25 4544 Napa e side Mt St Helena Comment
  JEPS48894  Astragalus breweri Elsa Kraeger 1926-3-27 Napa near Geyser (Calistoga, in field); Calistoga, near Geyser Comment
  UCR146403  Astragalus breweri Beecher Crampton 1961-4-6 5854 Napa Inner North Coast Ranges, 1 mile north of Moskowite Corners, along State Hwy. 128 244 Comment
  JEPS21030  Astragalus claranus W. L. Jepson 1924-4-6 10323 Napa Conn Valley , Conn Valley (Napa Range) Comment
  RSA90752  Astragalus claranus J. T. Howell 1931-4-19 6442 Napa Conn Valley. Comment
  CAS-BOT-BC178626  Astragalus clevelandii Edward Lee Greene 1883-8-1 s.n. Napa N. side of Mt. St. Helena Comment
  JEPS85041  Astragalus gambelianus Larry Heckard and Mary Ashton 1969-5-3 2193 Napa ca 7 mi ne Napa (Mead Ranch off the Atlas Peak Rd.); ne of Napa 457 Comment
  CAS-BOT-BC178293  Astragalus gambelianus H. D. Ripley; R. C. Barneby 1954-4-30 11230 Napa Conn Valley near the slip way. 91 Comment
  JEPS54656  Astragalus gambelianus W. L. Jepson 1924-4-6 10330 Napa Conn Valley Napa Range, Conn Valley (Napa Range, gravelly hillslope) Comment
  UCD104803  Astragalus gambelianus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD75827  Astragalus rattanii var. jepsonianus Jake Ruygt 1998-4-18 3912 Napa west end of new Walter Springs bridge. 176 Comment
  CAS-BOT-BC17535  Athysanus pusillus Peter H. Raven 1950-4-15 1709 Napa Silverado Trail outside of Napa. 15 Comment
  JEPS106814  Atriplex joaquinana Jake Ruygt 1991-9-14 2839 Napa northwest of end of Mini Drive, American Canyon 2 Comment
  HSC43958  Avena barbata Robert M. Specht 1977-4-19 682 Napa Above drainage running NE from Adams Creek. 518 Comment
  SACT000360  Avena barbata John Willoughby 1977-4-20 Napa near latitude of Mount Vaca, along road leading to property of M Toponce. 609.6 Comment
  CAS-BOT-BC145929  Avena fatua Peter H. Raven 1952-5-9 4082 Napa Napa River 1 mile north Napa. 60 Comment
  UCD56374  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley. 1 mile south of Rutherford. State Highway 128. Comment
  JEPS122714  Baccharis glutinosa Jake Ruygt 1982-7-21 1376 Napa Edgerley Island. Quad: Cuttings Warf. Comment
  POM350407  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  UC30352  Baccharis pilularis Willis L. Jepson 1892-10-22 Napa St. Helena Comment
  HSC47480  Baccharis pilularis subsp. consanguinea Richard Spjut 1978-12-4 5259 Napa Near Lake Barryessa along Hwy. 128 Comment
  CAS-BOT-BC106729  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Montecello 167 Comment
  CAS-BOT-BC16526  Barbarea orthoceras Paul F. Covel 1940-4-30 1710 Napa CCC - Las Posadas Camp - near Pacific Union College. Comment
  CAS-BOT-BC16532  Barbarea orthoceras G. DeNevers 1982-3-21 1941 B Napa Napa Range Mountains. On west slope of Mount George. Comment
  JEPS106776  Barbarea orthoceras Jake Ruygt 1997-4-12 3829 Napa Bennett Lane, Calistoga 134 Comment
  JEPS106777  Barbarea orthoceras Jake Ruygt 1986-1-29 1626 Napa .4 miles south of Oak Knoll Ave. on Silverado Trail 21 Comment
  UCD114278  Barbarea orthoceras G. F. Hrusa; G. L. Stebbins 1994-3-11 11601 Napa Ink Grade, approx. 2 m. NE of angwin. 450 Comment
  UCD38368  Barbarea vulgaris Beecher Crampton 1955-4-4 2386 Napa 0.5 mile east of St. Helena, Silverado Trail. Comment
  CDA6268  Bellardia trixago T. C. Fuller 1958-5-1 3729 Napa Northeast corner, Highways 29 & 21, 6 miles south of Napa. 0 Comment
  UCD122106  Bellardia trixago J. M. Tucker 1952-5-17 s.n. Napa ca. 7 miles southwest of Napa. Comment
  JEPS120385  Berberis aquifolium var. aquifolium Jake Ruygt 1986-3-16 1647 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road Comment
  JEPS106879  Berberis aquifolium var. dictyota Jake Ruygt 1992-3-28 2869 Napa small tributary to Butts Creek, near Berryessa Estates 161 Comment
  CAS-BOT-BC75847  Berberis pinnata Ira L. Wiggins 1949-4-30 12089 Napa Eastern flank of Mount Saint Helena. 914 Comment
  RSA52658  Berberis pinnata I. L. Wiggins 1949-4-30 12089 Napa E flank of Mt St Helena. 915 Comment
  UCD161251  Berula erecta Jake Ruygt 3 July1999 4199 Napa American Canyon, north side of quarry. (Coordinates estimated by label maker at UC Davis). 94 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
  JEPS106772  Boechera breweri subsp. breweri Jake Ruygt 1988-4-17 2155 Napa Mt. St. Helena below SW peak; upper portion of canyon 1103 Comment
  UCD161759  Boechera breweri subsp. breweri Jake Ruygt 1998-3-28 3893 Napa The Beehive, Rattlesnake Ridge. 762 Comment
  UCD140006  Bolboschoenus glaucus G. F. Hrusa; S. Larson 1995-4-10 12061 Napa Along Pope Valley Rd. approx. 1 mile east of intersection of Pope Valley-Chiles Valley Road and Pope Canyon Road. 180 Comment
  CAS-BOT-BC31394  Bolboschoenus robustus John Thomas Howell 1932-10-8 10807 Napa Tidal flat at Cuttings Wharf on Napa River. Comment
  UC841023  Bolboschoenus robustus Milo S. Baker 1932-10-8 6039 Napa bank of Napa River at Cuttings Wharf; bank of Napa River at Cuttings Wharf Comment
  JEPS110568  Boschniakia strobilacea Jake Ruygt 1998-5-30 4009 Napa Mt. St. Helena, on RLS cabin trail. 792 Comment
  JEPS49665  Boykinia occidentalis Mary Alice King July 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  UCD47948  Brassica nigra Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 5 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD167353  Brassica rapa James Neilson 1981-3-30 4001 Napa Foothills above vineyards along Hwy 29, 5 miles north of Calistoga. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC106269  Brickellia californica John Thomas Howell 1927-8-24 3047 Napa Canyon of Pope Valley Creek, Napa Range Comment
  CAS-BOT-BC145368  Briza minor Paul F. Covel 1940-4-28 1702 Napa Near Yountville. Comment
  UCD57406  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa Northern Coast Ranges. Howell Mountain. At head of Moore's Creek, 3-4 miles east of Angwin's. La Jota Plateau. 518 Comment
  UCD20727  Brodiaea elegans Ellen Dean; w/ Mark Bibbo 2002-6-17 1104 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
  JEPS7641  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House (Mt. St. Helena); Mt. St. Helena Comment
  UC1442894  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1965-5-15 522 Napa on Silverado Trail ca 1 mi n Yountville Junction Comment
  CAS-BOT-BC484194  Brodiaea elegans var. elegans James L. Reveal 1987-6-7 6407 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 243 Comment
  CAS-BOT-BC484199  Brodiaea elegans var. elegans Rimo Bacigalupi 1928-6-20 1864 Napa Howell Mt 10 miles west of St. Helena Comment
  CAS-BOT-BC227245  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37 Comment
  CDA10879  Bromus carinatus G. F. Hrusa, M. Rejmanek 1993-5-15 10974 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA10912  Bromus carinatus G. F. Hrusa, M. Rejmanek 1993-5-15 11008 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD60200  Bromus catharticus var. elatus Peter H. Raven 1951-5-20 2836 Napa Oakville. 48 Comment
  UCD58437  Bromus commutatus M. Wiesendanger 1927-5-4 677 Napa Near Monticello. Comment
  SACT000546  Bromus diandrus John Willoughby 1979-5-25 Napa about 1 mile south of Signal Hill just below and to the west of Blue Ridge, in foothill woodland on the north side of the flat 609.6 Comment
  CAS-BOT-BC155030  Bromus hordeaceus Peter H. Raven 1953-5-2 5359 Napa Yountville. Along railroad tracks. 76 Comment
  JEPS75638  Bromus laevipes W. L. Jepson 1936-5-28 17545 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  SBBG20183  Bromus laevipes M. S. Walters 1960-6-18 Napa St Hwy 128 ca. 1 mi W of Conn Lake picnic grounds (ca. 4 mi E of Rutherford) Comment
  UC766913  Bromus laevipes R. F. Hoover 1941-5-10 5009 Napa between St. Helena and Calistoga Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  CHSC61248  Bromus porteri J. Lund 1980-4-12 Napa On Hwy 29, 4.5 miles west of Robert Lewis Stevenson State Park. Comment
  CAS-BOT-BC161638  Bromus sterilis Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5351 Napa South side of Pope Creek northwest of Samuels Springs. 152 Comment
  UCD81810  Bromus sterilis Ellen Dean; Stephen Rae 2009-4-21 5437 Napa Along Friesen Lakes Road, NW of Anguin. 563 Comment
  UCD83855  Bromus sterilis Ellen Dean; Kate Mawdsley 2010-4-30 5944 b Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. 71 Comment
  UCD95682  Bromus sterilis Ellen Dean; with Clare Loughran 2011-5-20 7027 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  CAS-BOT-BC185228  Calamagrostis koelerioides Beecher Crampton 1957-5-16 4045 Napa Above Capell Creek, north end of Capell Valley. Comment
  JEPS122999  Calamagrostis ophitidis Jake Ruygt 1984-5-19 1563 Napa Cedar Roughs, west slope. Quad: Chiles Valley. Comment
  UCD37684  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  JEPS48654  Calandrinia ciliata Elsa Kraeger 1926-3-27 Napa Soscol Comment
  SEINET5726743 Image available Calandrinia ciliata Kim Page 1965-1 5 Napa Dollarhide Road, ca. 3 miles east from Pope Valley.; Pope Valley Comment
  POM137262  Callitriche heterophylla C. F. Baker 1903-4-19 2772 Napa St. Helena. Comment
  RSA15665  Calocedrus decurrens C. B. Wolf 1928-2-25 1508 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  JEPS121549  Calochortus amabilis Adam C. Schneider with Dick O'Donnell 2013-5-26 199 Napa Southwest side of Chiles Pope Valley Rd., 100 yards southwest of farmhouse and other buildings. Comment
  POM216219  Calochortus amabilis D. D. Keck 1933-5-28 2330 Napa Howell Mtn., N side, 1 mi above Pope Valley P.O. Comment
  UC13849  Calochortus amabilis Harley P. Chandler May 1898 Napa Howell Mt. Comment
  UCD139479  Calochortus amabilis Robert E. Preston 1988-4-10 580 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD139484  Calochortus amabilis Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  UCD70478  Calochortus amabilis P. J. Plummer 1995-5-27 s.n. Napa Napa County W of city of Winters, off hwy 128. Shaded woodland. Herbs; flowers nodding and bright yellow. 335 Comment
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May 20 2010
  CAS-BOT-BC488488  Calochortus amabilis Carl B. Wolf 1928-5-3 1787 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  POM169455  Calochortus amabilis C. F. B 1903-4-20 2622 Napa Mt. St. Helena. Comment
  POM319489  Calochortus amabilis Patricia Wilder 1965-6-8 3589 Napa Monticello grade ca. 3.3 mi E of Monticello Park and 6.0 mi E of Napa on Calif. 121. 305 Comment
  RSA247334  Calochortus amabilis Gary D. Wallace 1967-5-27 769 Napa W of Union Pacific College, 2 mi. On Howell Mtn. Rd. NE of St. Helena. Comment
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Mar 14 2013
  UCD40875  Calochortus amabilis Judy Force 1984-4-21 s.n. Napa Near Lake Berryessa. Comment
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Oct 15 2010
  JEPS61728  Calochortus superbus W. L. Jepson 1904-6-3 2432 Napa St. Helena to Howell Mt. (Howell Mt. foothills) Comment
  CAS-BOT-BC483611  Calochortus tolmiei Elizabeth Wright 1922-4-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC132623  Calochortus uniflorus C. F. B. 1903-4-19 1979 Napa Calistoga Comment
  HSC34856  Calochortus uniflorus Thomas W. Nelson, James Nelson 1975-5-5 1804 Napa Along the runway of Calistoga airport, Calistoga Comment
  JEPS17796  Calochortus uniflorus W. L. Jepson 1915-4-23 6254 Napa Conn Valley Comment
  RSA3280  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County 110 Comment
  UCD167101  Calochortus vestae Jake Ruygt 2015-6-20 6139 Napa Missimer - Snell Valley Preserve. 175 Comment
  UCD148841  Calycadenia Ellen Dean; Diana Hickson 2014-4-29 8145 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UC1876225  Calycadenia fremontii Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Rd., 11.3 mi SW of Berryessa-Knoxville Rd. Via Devilhead Rd. Comment
  CAS-BOT-BC270618  Calycadenia multiglandulosa C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  UC1876150  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Rds. Comment
  UC194672  Calycadenia multiglandulosa C. C. Parry 1881-1-1 Napa Calistoga Comment
  SEINET7379697 Image available Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  UCD160805  Calycadenia pauciflora Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8685 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 488 Comment
  CAS-BOT-BC270826  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Road, 10.0 miles SW of Berryessa - Knoxville Road, via Devilhead Road Comment
  CAS-BOT-BC270832  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake County line on Morgan Valley Road, 125 yards N of road 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
  UCD63170  Calycadenia pauciflora Jake Ruygt 1992-7-11 3087 Napa Mead Ranch, Atlas Peak Rd. 475 Comment
  UC1925922  Calycadenia truncata Ethel Crum October 1930 908 Napa Yountville Comment
  UC30763  Calycadenia truncata W. L. Jepson 1892-10-22 Napa near St. Helena; Park Hill Comment
  CAS-BOT-BC271574  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271558  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271570  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC271599  Calycadenia truncata subsp. truncata W. M. Heusi 1930-10-18 107 Napa From about one mile north of Yountville along highway to S. Helena on hill by Rockvilla service station Comment
  JEPS40312  Calycanthus occidentalis Willis L. Jepson 1901-8-6 1725 Napa Howell Mt. grade; Napa River Basin Comment
  JEPS40317  Calycanthus occidentalis W. L. Jepson 1910-3-28 4030 Napa sw of Calistoga (Rebecca Ranch Grade); Spring Mountain Range Comment
  SBBG2303  Calycanthus occidentalis H. E. Cott 1949-5-22 A- 127 Napa St Hwy 37, ca. 15 mi N of Napa Comment
  UCD137923  Calycanthus occidentalis Grady L. Webster 1990-4-28 7725 Napa south of Lake Hennessey, around 1 mile east of junction of Silverado Trail and Route 128. 100 Comment
  SD13654  Calyptridium monospermum Susan G. Stokes Aug 1910 Napa Old Baldy Comment
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Feb 17 2010
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  UCD117787  Calystegia collina subsp. collina Marisol Gonzalez; 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. 405 Comment
  JEPS100896  Calystegia collina subsp. oxyphylla Dean W. Taylor 1998-5-14 16439 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UCD126140  Calystegia occidentalis M. Ensign 1943-5-28 315 Napa About 12 miles from Monticello on road to Lower Lake. Comment
  UCD164771  Calystegia occidentalis subsp. occidentalis Jake Ruygt 2014-5-19 5945 Napa Sutro Ranch, Atlas Peak. 762 Comment
  UC796481  Calystegia purpurata Ira L. Wiggins 1949-4-30 12080 Napa on rocky ridge along old toll road between Calistoga and Middletown; between Calistoga and Middletown 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
  JEPS122732  Camissonia contorta Jake Ruygt 1991-5-4 2637 Napa Between Fawn Lake and Granite Lake Friesen's Lakes. Quad: St. Helena. Comment
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Jun 18 2018
  UC735049  Campanula angustiflora Lincoln Constance, J. F. Davidson, W. H. Wagner and R. H. Shan 1946-5-18 3045 Napa se slope of mountain near old inn; Mount St. Helena Comment
  UCD75839  Campanula griffinii Jake Ruygt 1996-5-14 3691 Napa White Cliff Springs, Elder Valley, Sabini property. 384 Comment
  UCD18039  Capsella bursa-pastoris Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 590 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  UCD114140  Capsella bursa-pastoris David Lawfer 1952-3-11 107 Napa Napa. Comment
  CAS-BOT-BC37584  Cardamine californica John H. Thomas 1966-3-22 11531 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 609 Comment
  UCD74395  Cardamine californica Jake Ruygt 2000-3-18 4220 Napa Pope Valley; Butts Canyon Rd. south of Aetna Springs Rd. 211 Comment
  JEPS106837  Cardamine californica var. cardiophylla Jake Ruygt 1982-1-24 1093 Napa 3.8 miles south of Monticello Rd. on Wooden Valley Rd. 121 Comment
  JEPS106836  Cardamine californica var. integrifolia Jake Ruygt 1982-2-16 1099 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  JEPS53381  Cardamine californica var. integrifolia Willis L. Jepson 1893-3-13 32 e Napa St. Helena , St. Helena (Napa River Basin) Comment
  UCD170207  Cardamine hirsuta Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 750 Napa Knoxville Wildlife Area, along Eticuera Creek, west of Berryessa-Knoxville Road. 246 Comment
  CAS-BOT-BC37858  Cardamine oligosperma Peter H. Raven 1953-3-29 5216 Napa Hills east of Imola. 121 Comment
  UCD17985  Cardamine oligosperma Ellen Dean; with Plant Biology 102 class 2001-4-14 711 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  HSC33343  Cardaria chalepensis William J. Ferlatte 1972-4-18 1678 Napa Hwy. 128 at mile post 18.19, 0.8 mi. W of junction with Berryessa-Knoxville Rd., N of road 305 Comment
  JEPS53322  Cardaria draba Willis L. Jepson 13398 Napa Napa Valley, Oak Knoll, between Napa and Yountville Oak Knoll; Napa River Basin, Napa Valley, Oak Knoll Comment
  CDA6880  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 Napa State Highway 53 to Middletown, 2.5 miles north of Calistoga. 0 Comment
  JEPS121335  Carex amplifolia Jake Ruygt 1992-5-2 2920 Napa Scott's Flat, Aetna Springs Rd. Comment
  UC1618049  Carex aquatilis Donald G. Nelson 1936-4-1 128 Napa along trail to Green Valley Falls Comment
  CAS-BOT-BC18902  Carex densa Joseph Prince Tracy 1938-6-5 15836 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's. 457 Comment
  CAS-BOT-BC35067  Carex densa Lewis S. Rose 1935-6-4 35193 Napa Oakville. Comment
  UC50831  Carex densa J. P. Tracy 1902-5-17 1523 Napa 3-4 miles E of Angwin's (Head of Moore's Creek); Howell Mountain 457 Comment
  UCD140261  Carex densa K. Esau 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UCD160768  Carex densa Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8638 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD161334  Carex densa Jake Ruygt 1982-4-25 1204 Napa Large meadow at base of Swartz Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  CAS-BOT-BC35069  Carex densa Lewis S. Rose 1935-6-4 35205 Napa East slope Mount St. Helena. Comment
  SEINET11630873  Carex densa L. S. Rose 1935-1 35205 Napa E slope Mt. St. Helena Comment
  UCD161746  Carex densa Jake Ruygt 1994-5-14 3374 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 481 Comment
  UCD161706  Carex globosa Jake Ruygt 2010-6-21 5627 Napa Van Ness Canyon about 1/3 mile south of Wildwood house. (Coordinates converted from UTM data by label maker.) 609 Comment
  JEPS81260  Carex nudata Edward Lee with A. Carter and E. Crum 1936-3-15 1807 Napa 8 mi out Rutherford (on Rutherford-Pope Valley road) Comment
  CAS-BOT-BC119516  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  CAS-BOT-BC118466  Carex praegracilis Wm. Siler 1938-4-11 s.n Napa Calistoga Comment
  JEPS121328  Carex praegracilis Jake Ruygt 1996-5-14 3700 Napa White Cliff Springs; Elder Valley; (Sabini property). Comment
  UCD140839  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa above Capell Creek, north end of Capell Valley, along State Highway 128. Comment
  CAS-BOT-BC117620  Carex serratodens Ella D. Cantelow 1939-8-8 2500 Napa 3.5 mi NW of Knoxville. Comment
  CAS-BOT-BC116771  Carex subfusca Lewis Samuel Rose 1935-6-4 35206 Napa Moist open E slopes of Mt. St. Helena. Comment
  UCD161735  Carex tumulicola Jake Ruygt 2010-5-15 5504 -x Napa Las Posadas State Forest, south side of Moore Creek near Recreation Flat. 384 Comment
  CDA6924  Carthamus creticus G. D. Barbe 1978-7-21 2411 Napa Stags Leap, Silverado Trail, east of Yountville. 0 Comment
  RSA734130  Castilleja Keith E. Hoffmaster 1946-3-23 1242 Napa Napa range, along Napa-Monticello road. Comment
  CAS-BOT-BC248977  Castilleja John Thomas Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range Comment
  UCD122149  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. Comment
  JEPS110635  Castilleja affinis subsp. affinis Jake Ruygt 1976-5-2 44 Napa 3.4 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  JEPS86604  Castilleja affinis subsp. affinis L. R. Heckard with Jake Ruygt 1987-5-10 6660 Napa ca 0.25 mi ne Quarry (ne of Vallejo) (n-facing side American Canyon Ridge); American Canyon Ridge Comment
  UC103530  Castilleja affinis subsp. affinis Mrs. Goetsche 1901-5-1 Napa Angwin Comment
  UC1281079  Castilleja affinis subsp. affinis H. E. McMinn 1923-5-25 959 Napa between Rockville and Wooden Valley; Suisun Creek Comment
  UCD164766  Castilleja affinis subsp. affinis Jake Ruygt 2014-5-10 5938 Napa Monticello Road about 0.1 mile north of first corner of Wooden Valley grade. 341 Comment
  UC1001198  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due e. of Yountville Comment
  JEPS4836  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1953-5-26 4127 Napa 1.7 mi s (below) State Highway 29 from Calistoga to Middletown road summit (along State Highway 29) 487 Comment
  JEPS5194  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1953-5-27 4168 Napa at s city limit of Calistoga, at roadside of main Napa Valley Highway Calistoga 102 Comment
  JEPS5776  Castilleja applegatei subsp. martinii J. R. Sweeney 1954-3-17 1084 Napa near Mt. St. Helena (about 1.5 mi s of road summit, along Calif Highway 29, on the Lake County grade over Mt. St. Helena summit) 487 Comment
  JEPS5853  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa 10 mi w Winters (In Putah Canyon above Recreation Beach); Putah Canyon Comment
  UCD159786  Castilleja attenuata James A. Neilson Jr. 1975-4-13 3136 Napa Soda Canyon Road, near summit. 457 Comment
  UCD49260  Castilleja attenuata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 20 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. 207 Comment
  UCD122442  Castilleja exserta P. B. Kaufman 1950-4-7 27 Napa Putah Canyon. 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
  SEINET12329994  Castilleja foliolosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -306 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC241284  Castilleja latifolia Peter H. Raven 1954-2-22 6416 Napa Hills n. of White Sulphur Ck., W. of Saint Helena 152 Comment
  JEPS110656  Castilleja minor subsp. spiralis Jake Ruygt 1982-3-10 1125 Napa north side of American Canyon 128 Comment
  POM180774  Castilleja minor subsp. spiralis J. T. Howell 1930-10-19 5622 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  UC190969  Castilleja minor subsp. spiralis Katharine Brandegee 1910-8-26 Napa Aetna Springs Comment
  UC885436  Castilleja minor subsp. spiralis Milo S. Baker 1938-8-22 9222 Napa Lower Lake to Knoxville Road (just s of Lake-Napa County line) Comment
  JEPS110657  Castilleja rubicundula subsp. lithospermoides Jake Ruygt 1978-5-21 332 Napa 6.3 miles north of Sage Canyon Rd. on Chiles Valley Rd. 237 Comment
  JEPS110678  Castilleja rubicundula subsp. lithospermoides Jake Ruygt 1981-5-3 1008 Napa American Canyon E of Flosden Road 21 Comment
  UC194179  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1888 Napa Comment
  JEPS4495  Castilleja rubicundula subsp. lithospermoides Rimo Bacigalupi and J. R. Sweeney 1953-5-26 4124 Napa 5.5 mi n Calistoga (S.P. station crossing in town) (along road to Middletown (Calif Hwy 29)) 411 Comment
  UCD123050  Castilleja rubicundula subsp. lithospermoides K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  JEPS2514 Image available Castilleja spiralis W. L. Jepson 1897-7-13 21113 Napa Butt's Canyon (Pope Valley to Coyote Valley); ; Butt's Canon, (Pope Valley to Coyote Valley), Napa Co. Comment
  UCD144653  Caulanthus lasiophyllus Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD74390  Caulanthus lasiophyllus Jake Ruygt 1986-4-5 1681 Napa Ridge to the south of Suscol Creek. 237 Comment
  JEPS110721  Ceanothus confusus Jake Ruygt 1977-3-27 163 Napa Mt. St. Helena 944 Comment
  CAS-BOT-BC48943  Ceanothus cuneatus H. E. McMinn 1925-1-24 1392 Napa Along road from summit of Wooden Valley grade to Montecello Comment
  SEINET10805183  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 Burge DOB 899 d Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 deg. (True) ENE of Rutherford. 270 Comment
  CAS-BOT-BC49801  Ceanothus divergens Carl B. Wolf 1928-5-4 1853 Napa Mt. St. Helena Comment
  CAS-BOT-BC64440  Ceanothus divergens John Thomas Howell 1941-3-9 16154 Napa W. of Rutherford. Comment
  POM136489  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  POM304578  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  RSA26416  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  OBI10527  Ceanothus foliosus H. E. McMinn 1936-4-4 4378 Napa Howell Mt 2 mi S of Angwin Comment
  POM85918  Ceanothus foliosus Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  RSA261717  Ceanothus foliosus Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  RSA399074  Ceanothus foliosus Bonnie C. Templeton 1957-6-27 s.n. Napa 4 miles up trinity road near the junction to Oakville Comment
  UCD149683  Ceanothus foliosus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  SACT002921  Ceanothus foliosus M. Wiesendanger 1928-4-5 Napa Collected on road Comment
  CAS-BOT-BC50914  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  CAS-BOT-BC50923  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  UCD112139  Ceanothus foliosus var. foliosus Ray Prag 1970-6-9 s.n. Napa Deer Park Road, 3.8 miles east of Silverado Trail. Comment
  UCD112145  Ceanothus foliosus var. foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 miles SW of Angwin. Comment
  CAS-BOT-BC50793  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  UC80040  Ceanothus integerrimus Katharine Brandegee June 1889 Napa Toll House Mt. St. Helena Comment
  UCD170257  Ceanothus integerrimus D. O. Burge 2016-10-22 2181 Napa Roadside on Butts Canyon Road. 300 Comment
  UCD169651  Ceanothus integerrimus Jake Ruygt 2010-5-6 5546 Napa Snell Valley Road ant [sic] Butts canyon Rd. 198 Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  CAS-BOT-BC50638  Ceanothus jepsonii H. M. Hall 1931-5-27 13098 Napa Near Knoxville Comment
  CAS-BOT-BC50641  Ceanothus jepsonii John Thomas Howell 1939-4-30 14633 Napa Walter Springs Comment
  CHSC22530  Ceanothus jepsonii Robert A. Schlising; Glenn Keator 1962-1-25 2025 Napa Mount Saint Helena. Comment
  RSA52713  Ceanothus jepsonii subsp. albiflorus I. L. Wiggins 1949-4-30 12095 Napa Along old toll road between Calistoga and Middletown. Comment
  JEPS79563  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1818 Napa Butt's Canyon Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  RSA757817  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2008-6-1 DOB 1007 c Napa South of Butts Canyon, approximately 200 m east of Butts Canyon Road via unpaved track that begins 1.1 road miles south of the intersection between Butts Canyon Road and Snell Valley Road., 4.56 km 48 degrees true east-northeast of Aetna Springs. 340 Comment
  CAS-BOT-BC51557  Ceanothus oliganthus var. sorediatus Lewis S. Rose 1955-4-4 55043 Napa Conn Lake, 5 mi. E. of Rutherford 152 Comment
  CAS-BOT-BC51559  Ceanothus oliganthus var. sorediatus M. S. Jussel 1932-4-10 s.n. Napa St. helena, 10 miles N.E. Cliff Spring Comment
  CAS-BOT-BC51563  Ceanothus oliganthus var. sorediatus David D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, West base of Napa Range, 4.5 miles NE. of Napa 90 Comment
  UCD112306  Ceanothus oliganthus var. sorediatus B. Crampton 1957-4-15 s.n. Napa Martley Canyon, Vaca Mountains. Comment
  CAS-BOT-BC53210  Ceanothus parryi H. E. McMinn 1923-5-25 965 Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC53216  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House, Mt. St. Helena Comment
  OBI10390  Ceanothus parryi Milo S. Baker 1934-4-12 7723 Napa E slope of Mt St. Helena along hwy Comment
  SBBG50604  Ceanothus parryi R. Beaver 1965-5-1 153 Napa St Hwy 128, ca. 10 mi N of jct with St Hwy 121 Comment
  UC18397  Ceanothus parryi Willis L. Jepson 1894-10-14 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC338132  Ceanothus parryi C. C. Parry 1888-1 Napa Calistoga Comment
  UC79858  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC917338  Ceanothus parryi R. L. Smith 1948-5-8 Napa 6 miles north of Aetna Springs, Pope Valley Comment
  UC931951  Ceanothus parryi Verne and Alva Grant 1946-5-26 7633 Napa southeast slope of Mt. St. Helena 1066 Comment
  UCD112494  Ceanothus parryi Heidi E. M. Dobson 1978-5-6 319 Napa East slope of Mt. Veeder. Comment
  SEINET12210841  Ceanothus parryi W. Knight, Knight, I. 1982-1 4490 Napa From Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC52177  Ceanothus purpureus Eva Buxton 2001-4-24 1105 Napa Ca. 1 mi. S of Lake Hennessey Comment
  CAS-BOT-BC52179  Ceanothus purpureus Willis L. Jepson 1896-2-22 s.n. Napa New Eden, Howell Mt. Comment
  CAS-BOT-BC52181  Ceanothus purpureus Herbert L. Mason 1924-1-22 1200 Napa Wooden Valley Grade Comment
  CAS-BOT-BC83728  Ceanothus purpureus D. O. Burge 2007-5-4 904 b Napa Wooden Grade, NE of Mount George 360 Comment
  CAS-BOT-BC83730  Ceanothus purpureus D. O. Burge; Kari B. Schroeder 2008-3-7 978 b Napa S of Lake Hennessey, 1.8 road miles (2.9 km) S of SR 128 370 Comment
  JEPS110729  Ceanothus purpureus Jake Ruygt 1977-3-7 147 Napa east of east end of Westgate Dr., Silverado 274 Comment
  LA44991  Ceanothus purpureus Lewis S. Rose; 1937-4-4 37021 Napa Gorges N. of Mt. George near Napa; Wooden Valley grade, 6 mi. NE of Napa 182 Comment
  POM230537  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 s.n. Napa Wooden Valley Grade Comment
  UC483677  Ceanothus purpureus Milo S. Baker 1931-4-1 5098 Napa In Canyon 5 miles NE of Napa on Monticello Road, north side Comment
  UC870641  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  UC870643  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa Five miles fron Napa on Monticello road. Comment
  UCD82600  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5538 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  JEPS110663  Ceanothus sonomensis Jake Ruygt 1982-3-20 1134 Napa Mt. St. John 530 Comment
  JEPS110664  Ceanothus sonomensis Jake Ruygt 1980-5-13 894 Napa Mt. St. John 518 Comment
  JEPS44142  Centaurea cyanus W. L. Jepson 1936-7-2 17639 Napa Four Corners Napa Range, Howell Mt. Comment
  JEPS106533  Centaurium muehlenbergii Jake Ruygt 1992-7-14 3092 Napa Yountville Ecological Reserve,Yountville Cross Rd., Napa River 27 Comment
  JEPS106534  Centaurium muehlenbergii Jake Ruygt 1995-7-12 3515 Napa about 2 miles south of Lake Hennessey on private drive (Taylor 432 Comment
  UC1198632  Centaurium muehlenbergii Joseph P. Tracy 1899-7-12 436 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  JEPS46953  Centaurium muehlenbergii Willis L. Jepson 1893-6-24 14629 Napa grade to Napa Soda Springs Napa River Basin Comment
  UCD83404  Centaurium tenuiflorum Jake Ruygt 2004-10-10 4682 Napa 0.1 mi N of Wine Country Rd. on Solano Ave. 22 Comment
  UC22707  Centaurium trichanthum H. N. Bolander 1863-9-20 2652 Napa Pope Valley Comment
  JEPS46940  Centaurium trichanthum W. L. Jepson 1930-10-19 15699 Napa Butts Canyon, ne Napa Co Butts Canyon Comment
  JEPS46943  Centaurium trichanthum W. L. Jepson 1918-6-24 7663 Napa Calistoga 109 Comment
  JEPS46950  Centaurium trichanthum Willis L. Jepson 1892-7-28 14639 Napa near Knoxville Comment
  JEPS81885  Centaurium trichanthum Roger Raiche 1982-7-25 20641 Napa Butts Canyon Road Comment
  UC73535  Centaurium venustum Miss M. Alice King Napa St. Helena Comment
  UC1034623  Centromadia fitchii Milo S. Baker 1932-5-8 5903 Napa near School House; Mill Creek Canyon Comment
  CAS-BOT-BC271539  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
  JEPS122713  Centromadia parryi subsp. parryi Jake Ruygt 1994-6-7 3397 Napa Calistoga Airport. Quad: Calistoga. Comment
  UC894333  Centromadia parryi subsp. parryi Milo S. Baker 1931-7-9 5348 Napa flat near Calistoga Geyser Comment
  JEPS88730  Centromadia parryi subsp. parryi Edward Lee Greene 1881-6-1 Napa Calistoga Comment
  CAS-BOT-BC279255  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  JEPS106731  Cerastium glomeratum Jake Ruygt 1982-3-2 1110 Napa north of HWY 12 near Huichica Creek 128 Comment
  UCD17984  Cerastium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-14 710 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  RSA0009691  Cerastium glomeratum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC179387  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville Road. Comment
  RSA195520  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  RSA3293  Cercis occidentalis D. D. Keck 1931-4-3 1062 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  SBBG29889  Cercis occidentalis E. Crum 1937-8-8 1956 Napa Putah Crk Cyn, 7 mi SE of Monticello Comment
  UC1540472  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa on Knoxville Rd 11 mi n Monticello Comment
  UCD105661  Cercis occidentalis J. M. Tucker 1950-3-10 1920 Napa Putah Canyon, 9.3 miles west of Winters. Comment
  CHSC79353  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. 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-BC284573  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1952-5-26 4060 Napa Nr. Walter's Springs 170 Comment
  UCD32574  Chaenactis glabriuscula var. heterocarpha Beecher Crampton 1954-5-20 1928 Napa 8 miles southwest of Monticello, along highway 128. Comment
  CAS-BOT-BC277646  Chaenactis glabriuscula var. megacephala David D. Keck 1933-5-29 2348 Napa Pope Creek bridge, south of Walters Springs Comment
  JEPS51913  Chamaesyce nutans W. L. Jepson 1894-11-7 13928 Napa below; Napa River Basin, Napa City Comment
  UC869111  Chamaesyce serpyllifolia Milo S. Baker 1938-8-22 9224 Napa Lower Lake-Knoxville Road just S of Lake-Napa Co. line Comment
  JEPS106821  Chenopodium botrys Jake Ruygt 1981-5-21 1035 Napa Putah Creek just north of Berryessa Estates 134 Comment
  JEPS106722  Chenopodium californicum Jake Ruygt 1980-3-2 816 Napa Snell Valley 176 Comment
  UCD48267  Chlorogalum pomeridianum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 14 Napa Northen Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  CAS-BOT-BC498812  Chlorogalum pomeridianum Peter H. Raven 1952-5-31 4122 Napa Hills s.w. of Rector Canyon 152 Comment
  UCD14532  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yards inside gate, next to road; 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
  UCR24252  Chorizanthe membranacea John C. Roos 1939-5-6 294 Napa North Coast Range, Pacific Union College, Bell's Canyon near Three Peaks 862 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
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  UCD159451  Cichorium intybus D. S. Park 2010-8-5 207 -2 Napa East of Lake Hennessey. Rt. 128, Sage Canyon Rd. Disturbed, roadside. 102 Comment
  JEPS59306  Cirsium cymosum var. cymosum W. L. Jepson 1938-6-8 18885 Napa w of Pope Valley; South Fork of Butts Creek Comment
  CDA1212  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  JEPS59118  Cirsium douglasii var. douglasii Willis L. Jepson 1892-8-1 Napa Napa Valley Comment
  CDA1305  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -B Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. 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
  POM180786  Cirsium occidentale var. venustum J. T. Howell 1930-7-13 5343 Napa 5 miles below the old Toll House, Mt. St. Helena Comment
  CAS-BOT-BC169772  Cistanthe quadripetala Alice Eastwood 1915-6-6 4673 Napa Mt. St. Helena Comment
  JEPS126096  Cistus incanus Jake Ruygt 1979-5-20 625 Napa 0.2 miles north of Glass Mountain Road on Silverado Trail. Saint Helena 7.5' Qua. Comment
  RSA594918  Clarkia John H. Thomas 1955-5-21 5112 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  UCD49178  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 12 Napa Quail Ridge UC Reserve, northern tip of ridge, in open grassy area N of power lines. 274 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-BC160920  Clarkia amoena subsp. amoena M. S. Jussel 1937-5-23 s.n. Napa Palisades 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-BC32902  Clarkia breweri Dr. A. W. Saxe 1872-1-1 s.n. Napa Near the Geysers Comment
Read comments
Apr 3 2019
  CAS-BOT-BC172181  Clarkia concinna John Thomas Howell 1929-5-30 4279 Napa Between Chiles and Pope Valleys, Napa Range Comment
  SBBG115750  Clarkia concinna B. Crampton 1953-5-19 1300 Napa 9 mi E of Rutherford Comment
  UCD104417  Clarkia concinna Vincent Chang 1966-5-7 26 Napa 13.8 miles NE of Rutherford on State Highway 128. 152 Comment
  UCD160214  Clarkia concinna James A. Neilson Jr. 1974-5-5 2927 Napa Oakville Grade and Dry Creek Road. (Elevation and coordinates estimated by label-maker using topo map.) 175 Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa Valley Comment
  POM271463  Clarkia concinna subsp. concinna Lyman Benson 1935-5-19 6662 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  UCD104555  Clarkia gracilis M. Wiesendanger 1927-5-4 681 Napa Near Monticello. Comment
  CAS-BOT-BC164535  Clarkia gracilis subsp. albicaulis Freed W. Hoffman 1947-6-19 1652 Napa Near Knoxville Comment
  UC762847  Clarkia gracilis subsp. albicaulis R. F. Hoover 1938-6-8 3538 Napa South Fork of Butts Creek Butts Creek Comment
  CAS-BOT-BC164627  Clarkia gracilis subsp. gracilis Katharine Brandegee 1909-6-1 s.n. Napa Pope Val. Grade Comment
  UCD54391  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. Knoxville Public Lands. 390 Comment
  UCD63363  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 Comment
  UCD104850  Clarkia purpurea Alan P. Godlewski 1974-5-3 13 Napa West of Lake Berryessa. Comment
  CAS-BOT-BC163826  Clarkia purpurea subsp. quadrivulnera Rimo Bacigalupi 1928-6-20 1857 Napa Howell Mt. 10 miles west of St. Helena Comment
  JEPS120334  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2005-5-21 4858 Napa Skyline Park, base of Rimrock Trail. Mount George 7.5' Quad. Comment
  JEPS1952 Image available Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1904-6-3 2441 Napa Howell Mt. Comment
  UCD81814  Clarkia purpurea subsp. quadrivulnera Ellen Dean 2009-4-24 5441 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC20319  Clarkia purpurea subsp. quadrivulnera Willis L. Jepson 1893-6-24 Napa road to Napa Soda Springs; Napa River Basin Comment
  UCD167275  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1991-6-1 2706 b Napa Campbell Flat, Mount St. John. 310 Comment
  JEPS110693  Clarkia rhomboidea Jake Ruygt 1978-5-21 335 Napa .3 mile north of White Cottage Rd. on Summit Rd. 536 Comment
  JEPS110694  Clarkia rhomboidea Jake Ruygt 1989-5-20 2344 Napa ridge about 1 mile north of Mt. Vaca 804 Comment
  CDA12025  Claytonia exigua G. F. Hrusa 1990-3-19 7501 Napa North Coast Biodiversity Arena; Chiles Valley-Pope Valley Rd. Comment
  JEPS112618  Claytonia exigua subsp. exigua Jake Ruygt 1998-6-15 4032 Napa Mt. St. Helena, below SW peak. 1127 Comment
  HSC17756  Claytonia exigua subsp. exigua C. B. Wolf 1928-2-25 1495 Napa Mt. St. Helena Grade, 5 mi. N of Calistoga Comment
  CAS-BOT-BC439373  Claytonia gypsophiloides Rimo Bacigalupi 1926-3-28 1269 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  CAS-BOT-BC233838  Claytonia parviflora subsp. parviflora John Thomas Howell 1933-5-21 11307 A Napa Hills east of Napa Comment
  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
  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
  CAS-BOT-BC439941  Claytonia perfoliata subsp. mexicana Peter H. Raven 1954-2-22 6405 Napa Orchard at west end of Saint Helena 60 Comment
  JEPS43304  Claytonia perfoliata subsp. perfoliata W. L. Jepson 1893-3-13 Napa St. Helena Comment
  JEPS77938  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1794 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UC9066  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's ?> Cabin Napa R. Basin Comment
  RSA98637  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Foothills with live and Blue Oak manzanita, 10 miles SW of Monticello, Hwy 128. Comment
  CAS-BOT-BC92684  Clematis ligusticifolia John Thomas Howell 1929-8-4 4365 Napa One mile below Samuel Springs, Pope Creek Canon [Canyon], Napa Range. 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
  JEPS7349  Collinsia heterophylla E. Ferguson 1920-5-15 350 Napa Pope Valley Comment
  UCD49264  Collinsia heterophylla C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; in dry creek bed, downslope of West Rd., N of jct with South Decker Canyon Rd. 152 Comment
  UC192735  Collinsia heterophylla C. F. Sonne Apr 1897 Napa near Napa City Comment
  CAS-BOT-BC474519  Collinsia sparsiflora G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12029 Napa Quail Ridge Reserve, at entrance gate 290 Comment
  UCD123659  Collinsia sparsiflora R. L. Smith 1948-5-8 s.n. Napa Pope Valley. Comment
  UCD123662  Collinsia sparsiflora G. L. Webster 1967-3-23 7495 Napa ca. 1 mi S of Spanish Flat. 167 Comment
  SEINET10548307  Collinsia sparsiflora John T. Middleton 1936-3-27 Middleton 211 A Napa Near monticello. Comment
  CDA11625  Collinsia sparsiflora var. arvensis G. F. Hrusa, S. Larson 1995-4-1 12064 Napa North Coast Biodiversity Arena; Chiles Valley/Pope Valley Rd. approx 2 m. S of Pope Canyon Rd. intersection. Comment
  JEPS77939  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3.4 mi out of Rutherford (Rutherford-Pope Valley Road); Rutherford-Pope Valley Road Comment
  UC545847  Collinsia sparsiflora var. arvensis E. Crum 1936-3-15 1736 Napa Chiles Canyon 3.4 mi from Rutherford on Pope Valley Road Rutherford; Chiles Canyon, Pope Valley Road Comment
  JEPS6321  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-24 21333 Napa e St. Helena (hills); Napa River Basin Comment
  RSA505375  Collinsia sparsiflora var. arvensis R. C. Bacigalupi, Jon Dawson 1955-4-25 4844 Napa Along Conn Creek road, about 0.75 mile below (w. of) Lake Hennessey Dam. 79 Comment
  UCR17490  Collinsia sparsiflora var. collina E. Turula 1975-3-29 71 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  UC26552  Collinsia sparsiflora var. sparsiflora Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UC885508  Collinsia sparsiflora var. sparsiflora Alice Eastwood 1922-5-5 11290 Napa Mount St. Helena Comment
  JEPS128915  Collinsia tinctoria Jake Ruygt 1998-5-20 3979 Napa Chiles Canyon about 1/2 mile N of white bridge. Chiles Valley 7.5' Quad. Comment
  JEPS7295  Collinsia tinctoria W. L. Jepson 1904-6-4 2451 a Napa Keller Ranch, Calistoga Keller Ranch Comment
  UC147867  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); Northern Coast Ranges, Napa Valley 91 Comment
  CLARK-A1528-3461  Collomia heterophylla John C. Roos 1939-4-26 260 Napa Angwin Comment
  SBBG103168  Collomia heterophylla D. H. Wilken 1973-5-6 11925 Napa Las Posadas St Forest, 3 mi SE of Angwin 518 Comment
  UC908736  Collomia heterophylla Herbert L. Mason 1926-3-21 2782 Napa near summit of road Mt. St. Helena Comment
  UCD127310  Conium maculatum Mannix Mendoza Date unknown 15 Napa Roadside Hwy. 128, around 1/4 mile south of Lake Berryessa. Comment
  JEPS122707  Conyza canadensis Jake Ruygt 1989-10-2 2419 Napa South Shore of Lake Hennessey along Sage Canyon Road. Quad: Yountville. Comment
  JEPS120436  Corallorhiza striata Jake Ruygt 1988-4-11 2140 Napa Newell Canyon. Comment
  JEPS75689  Cordylanthus mollis subsp. mollis Craig D. Thomsen 1976-7-27 Napa between Fagen Slough and Steamboat Slough; Napa River, Napa Marsh Comment
  UCR45098  Cordylanthus pilosus L. F. LaPre 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
  UC103417  Cordylanthus pilosus subsp. pilosus Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  RSA516551  Cordylanthus pilosus subsp. pilosus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-9 4750 Napa Grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort. 511 Comment
  RSA97495  Cordylanthus pilosus subsp. pilosus L. S. Rose 1954-9-13 54115 Napa 1 mi. w. of Calistoga. 122 Comment
  JEPS55936  Cordylanthus pringlei T. I. Chuang and F. M. Chuang 1968-7-24 6483 Napa 10.9 mi n of Calistoga (on Lake and Napa County Line); Lake and Napa County Line Comment
  JEPS55938  Cordylanthus tenuis subsp. brunneus T. I. Chuang and F. M. Chuang 1968-7-24 6485 Napa 10.9 mi n Calistoga Comment
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  UC761839  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC209798  Cornus glabrata John Thomas Howell 1939-5-7 14654 Napa 3 1/2 miles from Knoxville on road to Lower Lake Comment
  JEPS50156  Cornus nuttallii W. L. Jepson 1896-2-22 14142 Napa Howell Mt. Comment
  JEPS50159  Cornus nuttallii W. L. Jepson 1924-4-27 10385 a Napa Mt. St. Helena Comment
  RSA397476  Cornus nuttallii Anonymous 1917-6-21 597 Napa Redwood Comment
  SEINET5740808 Image available Cornus nuttallii Stephen L. Clement 1973-1 64- 5 -18 Napa 3.1 miles W of Aetna Springs in small canyon.; Aetna Springs 305 Comment
  JEPS97929  Coronopus squamatus Jake Ruygt 1997-4-28 3839 Napa S of Napa (E of Hwy 29, S of South Kelly Road) 19 Comment
  UC127083  Corylus californica Harley P. Chandler Sep 7-14 1906 7156 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CAS-BOT-BC427681  Crassula connata John Thomas Howell 1926-3-27 1755 Napa Soscol Comment
  UCD36950  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  JEPS120402  Crocanthemum scoparium var. vulgare Jake Ruygt 1981-5-17 1027 Napa Mount Vaca Comment
  CHSC102273  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 Winters. 133 Comment
  UC1950066  Crypsis schoenoides Barbara Ertter with Elizabeth Neese 1988-10-2 7958 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; S side Rt 128 across from spillway Comment
  SEINET4343824 Image available Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  UCD32575  Cryptantha dissita Beecher Crampton 1954-5-20 1929 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UC55909  Cryptantha flaccida J. P. Tracy 1899-6-17 439 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 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
  UCD170358  Cryptantha flaccida Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 857 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 456 Comment
  UCD15987  Cryptantha hispidula C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 4 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11.3'' N; 122 deg. 21' 13.4'' W; 530 m. 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
  UCD74373  Cryptantha hispidula Jake Ruygt 2004-5-8 4595 Napa Berryessay-Knoxville Rd., about 1.6 mi. north of Homestake tunnel. 640 Comment
  JEPS106701  Cryptantha intermedia Jake Ruygt 1982-5-15 1255 Napa Buzzard's Roost, Stag's Leap 585 Comment
  SD106148  Cryptantha intermedia W. L. Jepson 1938-5-25 18 861 Napa Bell Canyon, Howell Mountain, Napa Range 580 Comment
  UC963904  Cryptantha intermedia Milo S. Baker 1947-7-7 11848 Napa s of Mt. St. Helena Inn (at end of wood rd leading toward the Crater) 914 Comment
  UCD161233  Cryptantha microstachys Jake Ruygt 2002-4-1 4378 Napa Napa County : Blue Ridge north of Mays; flat. (Coordinates estimated by label maker at UC Davis). 487 Comment
  UCD164838  Cryptantha microstachys Jake Ruygt 2012-5-12 5843 Napa Crystal Flats, west of Putah Creek. 182 Comment
  UCD74371  Cryptantha muricata Jake Ruygt 2004-5-29 4607 Napa Van Ness Canyon near old hunting camp. 579 Comment
  CAS-BOT-BC80722  Cupressus macnabiana John Thomas Howell 1931-4-3 6143 Napa Near Aetna Springs, Pope Valley, Napa Range Comment
  JEPS104754  Cupressus macnabiana John L. Morrison 1969-8-16 4027 Napa near Knoxville Comment
  JEPS46565  Cupressus macnabiana W. L. Jepson 1933-10-8 16553 Napa Knoxville Ridge Knoxville Ridge (n Napa Co.) Comment
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Mar 24 2009
  POM263126  Cupressus macnabiana J. C. Roos 1938-11-19 323 Napa Pope Valley, near Altna Springs 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
  UCD133519  Cupressus macnabiana O. A. Leonard 1962-3-9 s.n. Napa 4 miles northwest of Knoxville on road to Lower Lake, near Napa County-Lake County line. 640 Comment
  UCD67772  Cupressus macnabiana D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  RSA92799  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa Knoxville. 457 Comment
  CDA10848  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11785 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 237 Comment
  CHSC34822  Cupressus sargentii M. S. Taylor; E. Pierce 1981-5-17 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi s of Lake county line. Comment
  JEPS56136  Cupressus sargentii Donald V. Hemphill 1968-7-13 Napa sw of Lake Berreyessa (Cedar Roughs); Cedar Roughs 609 Comment
  NY16839  Cupressus sargentii C. B. Wolf 1934-10-16 6193 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA995  Cupressus sargentii J. T. Howell 1927-8-24 690 Napa Butts Valley, Napa Range Comment
  SEINET10531527  Cupressus sargentii Peter H. Raven 1965-5-16 Raven 20209 Napa Cedar Valley, vicinity of Knoxville. 610 Comment
  SEINET10531547  Cupressus sargentii Mary Susan Taylor, E. Pierce 1981-5-17 Taylor 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi S of Lake County line. Comment
  UCD147461  Cuscuta Ellen Dean; Diana Hickson 2014-4-29 8074 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD167093  Cuscuta brachycalyx Jake Ruygt 2015-7-4 6146 Napa Missimer -Snell Valley Preserve. 180 Comment
  UCD170470  Cuscuta brachycalyx Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 899 Napa Knoxville Wildlife Area, west slope of ridge above upper Zim Zim Creek drainange east of Knoxville-Devilhead Road. 490 Comment
  CAS-BOT-BC224538  Cuscuta californica John Thomas Howell 1930-7-13 5370 Napa Near Myrtledale Hotsprings [Hot Springs], upper Napa Valley Comment
  UCD160702  Cuscuta howelliana Ellen Dean; Jake Ruygt 2015-5-23 8761 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  JEPS116544  Cuscuta pentagona Jake Ruygt 2008-8-16 5366 Napa Big Ranch Road, south of El Centro Ave. Van Winden property, pond. Napa 7.5' Quad. Comment
  UC127129  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7123 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC129079  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7124 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS47132  Cuscuta subinclusa W. L. Jepson 1930-10-19 15702 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  SEINET10971774  Cynodon dactylon Virginia E. Long 1931-8-22 Long 103 a Napa Calistoga Hot Springs. Matted on ground & hanging over into warm water. 111 Comment
  RSA195286  Cynoglossum grande Gilbert Muth 1967-4-19 603 Napa Aetna Springs Road. 305 Comment
  SEINET5731319 Image available Cynoglossum grande R. F. Denno 1967-1 49 Napa Lower Chiles Valley Road, 1 mile NW of State Hwy 128. 229 Comment
  UCD19312  Cynosurus echinatus M. A. Bibbo; E. Dean 2001-7-6 4 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  UCR30535  Cynosurus echinatus John C. Roos 1972-5-18 s.n. Napa Angwin 366 Comment
  JEPS121340  Cyperus aristatus Jake Ruygt 1991-6-29 2746 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  CAS-BOT-BC114681  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  UC579872  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  JEPS115767  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 -A Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  UCD20705  Cyperus erythrorhizos Mark Bibbo 2002-7-28 75 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
  UCD45022  Cyperus erythrorhizos A. Solomeshch 2004-9-19 s.n. Napa Shores of Lake Berryessa, ca. 1 mile from Monticello Dam, along Hwy 128. 134 Comment
  UCD148559  Cypselea humifusa Jake Ruygt 1987-10-12 2101 Napa Napa County; Sage Canyon Rd., Lake Hennessey, at boat dock. 91 Comment
  CAS-BOT-BC189861  Danthonia californica Peter H. Raven 1952-5-26 4038 Napa Saint Helena to Howell Mountain. 304 Comment
  RSA431669  Datisca glomerata E. S. Spalding 1924-7-4 s.n. Napa Near St. Helena; canyon beyond White Sulphur Springs. Comment
  JEPS110736  Datura stramonium Jake Ruygt 1987-5-27 2018 Napa Buchli Station, DFG- Huichica Creek property 1 Comment
  UCD127396  Daucus carota R. Tofsrud 1948-6-15 s.n. Napa Exact location unknown. Comment
  RSA187491  Daucus pusillus John H. Thomas 1955-5-21 5139 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  UCD159908  Daucus pusillus Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS106659  Deinandra corymbosa Jake Ruygt 1980-6-1 908 Napa Milton Rd. across from Yacht club 0 Comment
  SEINET5337981  Delphinium decorum J. Tracy 1902-5-15 1475 Napa On hills at head of Moore's Creek, 3-4 mi. E of Angwin's. 366 Comment
  UCD95806  Delphinium hesperium J. D. Atkin 1952-5-1 7 Napa Portuguese Canyon, ca. 1 mile up Putah Creek from Recreation Beach. Comment
  JEPS100897  Delphinium hesperium subsp. hesperium Dean W. Taylor 1998-5-14 16438 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  JEPS120432  Delphinium hesperium subsp. hesperium Jake Ruygt 2010-6-21 5633 Napa Bear Valley on jeep road near Van Ness Canyon. Comment
  UCD48154  Delphinium hesperium subsp. pallescens R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 19 Napa Northern Napa Countym McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UCD48155  Delphinium hesperium subsp. pallescens R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 28 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  CAS-BOT-BC10112  Delphinium hesperium subsp. pallescens P. H. Raven; George Ledyard Stebbins 1953-4-19 5343 Napa North side of Pope Creek between Samuels Springs and Walters Springs 243 Comment
  CAS-BOT-BC9816  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC9818  Delphinium nudicaule C. F. Baker 1903-4-20 2620 Napa Mt. St. Helena Comment
  UC608257  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  UC635357  Delphinium nudicaule H. L. Mason 1926-3-14 2723 Napa Mount Saint Helena Comment
  UCD102766  Delphinium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 200 Comment
  UCD15024  Delphinium nudicaule K. A. Bear 1978-4-23 33 Napa along Lower Chiles Road, 1.4 miles SW of intersection of Chiles and Pope Valley Roads; 128 Comment
  CAS-BOT-BC9815  Delphinium nudicaule John Thomas Howell; Mrs. Lewis 1961-3-30 36476 Napa Near Conn Reservoir Comment
  UC160911  Delphinium patens Joseph P. Tracy 1902-5-16 1509 Napa on hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 Comment
  CAS-BOT-BC116490  Delphinium patens subsp. patens P. H. Raven 1957-5-6 10775 Napa Hills at western edge of Calistoga 182 Comment
  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
  CAS-BOT-BC116499  Delphinium patens subsp. patens Belle R. Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's, Mt. St. Helena region Comment
  JEPS110981  Delphinium uliginosum Jake Ruygt 1978-5-21 331 Napa 6.3 miles north of Sage Canyon Rd. on Chiles and Pope V. Rd 237 Comment
  RSA59956  Delphinium uliginosum Joseph A. Ewan 1937-5-23 10360 Napa Lower Lake to Monticello Road, 1.9 miles S of Lake Co. Comment
  UCD96593  Delphinium uliginosum J. M. Tucker 1965-5-15 3828 Napa Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  CAS-BOT-BC7913  Delphinium variegatum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  JEPS110872  Delphinium variegatum subsp. variegatum Jake Ruygt 1995-5-8 3475 Napa .5 miles west of boatramp on Sage Canyon Road. 100 Comment
  UCD48150  Delphinium variegatum subsp. variegatum C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 15 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 250 meters east of old road in an oak woodland, near a burned area (burned Oct 1999). 640 Comment
  RSA602573  Dendromecon rigida Louis C. Wheeler 1952-8-30 6880 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCD35337  Dendromecon rigida Beecher Crampton 1955-5-10 2770 Napa 6 miles south of Middletown. Comment
  CDA12113  Deschampsia cespitosa G. F. Hrusa 1989-5-2 7186 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  UCD61234  Deschampsia cespitosa var. cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Area. Butts Canon. 200 Comment
  SEINET3927644  Deschampsia danthonioides Herbert L. Mason 1931-4-12 5831 Napa Grounds south of Napa State Hospital.; 0 Comment
  SEINET10897195  Deschampsia danthonioides Unknown 1854-1 Anonymous s.n. Napa Comment
  SEINET3927638  Deschampsia danthonioides Peter H. Raven 1957-5-5 10746 Napa Near airport in Calistoga.; 0 91 Comment
  JEPS110779  Dicentra chrysantha Jake Ruygt 1998-6-24 4050 Napa On ridge above Apple Tree Canyon, Blue Ridge. 542 Comment
  SEINET7072770  Dichelostemma capitatum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) 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
  CAS-BOT-BC499421  Dichelostemma capitatum Elizabeth Wright 1922-4-1 s.n. Napa Calastoga Comment
  UCD16051  Dichelostemma capitatum subsp. capitatum C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 7 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2' N, 122 deg. 21' 11.7' W; 480m. Serpentine chaparral, burned in Oct. 1999. Herb, 1.5-3 dm tall, flowers purple/blue. Comment
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  UCD160771  Dichelostemma congestum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8650 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD68011  Dichelostemma congestum P. J. Plummer 1995-5-27 s.n. Napa Napa County Highway 128. Ascending, growing on grassy East facing hillside. Flowers, lavendar. 335 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
  UCD18162  Dichelostemma volubile Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD14205  Dichelostemma volubile William Tierney 1973-5-12 77 Napa along Highway 128, 10 miles west of Winters, near Monticello Dam; 228 Comment
  CAS-BOT-BC153410  Diplacus layneae John Thomas Howell 1940-5-19 15461 Napa Upper St. Helena Creek Comment
  CDA6690  Dipsacus fullonum Margaret Bellue 1933-5-2 Napa 0 Comment
  UCD92896  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  JEPS9524  Dodecatheon hendersonii Willis L. Jepson 1893-3-13 14587 Napa hills e St. Helena (Napa River Basin); , e of St. Helena Comment
  JEPS9525  Dodecatheon hendersonii Willis L. Jepson 1893-4-25 14588 Napa w St. Helena (Caux's Cabin, Napa River Basin); Napa River Basin, w of St. Helena 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
  UCD169891  Dodecatheon hendersonii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 732 Napa Knoxville Wildlife Area. 311 Comment
  UCD73390  Dodecatheon hendersonii 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
  HSC17857  Dodecatheon hendersonii Greg Bos 1963-3-30 53 Napa 2.5 mi. up the Old Toll Rd. out of Calistoga. E slope 305 Comment
  POM78451  Dodecatheon hendersonii C. F. Baker 1903-4-20 2616 Napa Mt. St. Helena. Comment
  JEPS106565  Downingia concolor var. concolor Jake Ruygt 1982-4-29 1206 Napa east of Rocktram, west of HWY 221, Suscol Plain 3 Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  JEPS106570  Downingia pusilla Jake Ruygt 1986-4-14 1701 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  CAS-BOT-BC41388  Draba verna Rimo Bacigalupi 1924-2-22 s.n. Napa Toll House. Mount Saint Helena. Comment
  CAS-BOT-BC157776  Drymocallis glandulosa var. glandulosa M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC70942  Dryopteris arguta Elsa G. Ruckert 1960-3-12 22 Napa Bordering private road leading to 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC70948  Dryopteris arguta Carl B. Wolf 1928-5-3 1841 Napa base of Mt. St. Helena Comment
  UCD48874  Dudleya cymosa K. Mogel; B. Pekin and M. Higley 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 50 ft. S of the power lines. 274 Comment
  CAS-BOT-BC428153  Dudleya cymosa subsp. cymosa John H. Thomas 1955-5-21 5165 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 274 Comment
  UCD148775  Dysphania ambrosioides Jake Ruygt 1986-7-12 1876 Napa Napa County; Napa River just south of confluence with Tulocay Creek. 1 Comment
  SEINET10564032  Echinochloa crus-galli var. zelayensis Virginia E. Long 1931-8-22 Long 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helens). In boggy irrigation ditch near pumping plant. 111 Comment
  JEPS129118  Eleocharis coloradoensis Jake Ruygt 2001-7-8 4328 Napa Lake Hennessey at the boat ramp. Yountville 7.5' Quad. Comment
  CAS-BOT-BC112167  Eleocharis radicans Peter H. Raven 1952-8-25 5127 Napa Nr. Lokoya. 609 Comment
  JEPS121352  Eleocharis radicans Jake Ruygt 1986-5-4 1741 Napa Suscol Hill east of Hwy 221 Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa Comment
  RSA128741  Elymus glaucus P. H. Raven 1950-5-6 2010 Napa Shaded place above where the w. branch of the Napa R. Meets Rt. 29, ca. 1 mile N of Calistoga Comment
  UC1153913  Elymus glaucus Beecher Crampton 1957-6-4 4097 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  CAS-BOT-BC203598  Elymus glaucus subsp. glaucus Peter H. Raven 1957-5-5 10761 Napa Hills at western edge of Calistoga 152 Comment
  JEPS122981  Elymus glaucus subsp. glaucus Jake Ruygt 1992-5-20 2989 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  SACT001100  Elymus glaucus subsp. glaucus John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of Blue Ridge. Forming colonies under oaks, top of ridge just above Pansy Flat. 609.6 Comment
  SACT001119  Elymus glaucus subsp. glaucus John Willoughby 1975-5-23 Napa West of Monticello Dam, in foothill woodland. Comment
  SACT001123  Elymus glaucus subsp. jepsonii John Willoughby 1976-5-18 Napa 609.6 Comment
  UCD32570  Elymus multisetus Beecher Crampton 1954-5-20 1923 Napa 4 miles east of Rutherford, along highway 128, southern shore of Conn Reservoir. Comment
  JEPS110831  Emmenanthe penduliflora Jake Ruygt 1989-5-9 2306 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  HSC43935  Emmenanthe penduliflora Robert M. Specht 1977-4-26 789 Napa N from Adams Creek on N side 470 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
  SD7370  Epilobium brachycarpum Daniel Cleveland 1882-8-28 Napa Springs (see supplement) Comment
  JEPS44029  Epilobium canum subsp. canum W. L. Jepson 1922-10-22 9834 Napa bed of White Sulphur Creek St. Helena Comment
  CAS-BOT-BC171952  Epilobium canum subsp. latifolium T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  UCD160707  Epilobium cleistogamum Ellen Dean; Jake Ruygt 2015-5-23 8766 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD167133  Epilobium densiflorum Jake Ruygt 2015-5-23 6115 Napa Missimer - Snell Valley Preserve. 172 Comment
  UC1198493  Epilobium densiflorum Joseph P. Tracy 1938-8-7 16096 Napa in ditch Yountville 30 Comment
  UC1198490  Epilobium foliosum J. P. Tracy 1899-6-14 359 Napa flat at top of mt. Howell Mountain, Moore's Creek (head of creek, 3-4 mi e of Angwin's) 518 Comment
  UCD19923  Epilobium foliosum Ellen Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 778 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  JEPS110714  Epilobium minutum Jake Ruygt 1981-5-6 1017 Napa .2 mile east of Walter Springs on Pope Canyon Rd. 182 Comment
  UCD106515  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena. Alongside Highway 128. 200 Comment
  UCD160631  Epilobium minutum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8723 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 200 Comment
  UCR261611  Epilobium minutum Ann Howald 2003-4-23 2304 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  UCD167254  Epilobium minutum Jake Ruygt 1992-4-10 2904 Napa Johnson's Meadow, Wild Horse Valley Ranch. 426 Comment
  UCD63747  Epipactis gigantea Daniel Sanchez-Mata; Emin Ugurlu 2006-6-22 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 580 Comment
  JEPS120437  Epipactis gigantea Jake Ruygt 1980-5-21 896 Napa 4.2 miles north of Monticello Rd. on HWY 128. Comment
  RSA261479  Epipactis gigantea Stephen L. Clement 1973-5-18 65 Napa At the junction of Snell Valley Road and Butts Canyon Road 274 Comment
  JEPS103984  Equisetum hyemale subsp. affine Jake Ruygt 1979-4-11 498 Napa .1 mile south of Redwood Road on Solano Avenue,Napa 22 Comment
  JEPS103963  Equisetum laevigatum Jake Ruygt 1979-4-17 519 Napa .2 mile west of Napa River on Oak Knoll Avenue 10 Comment
  CAS-BOT-BC57378  Equisetum laevigatum Peter H. Raven 1951-6-10 2904 Napa Below Toll House, Mt. St. Helena 701 Comment
  JEPS103964  Equisetum telmateia Jake Ruygt 1979-4-8 493 Napa Mt. St. Helena, at base of fire trail 658 Comment
  JEPS106941  Ericameria linearifolia Jake Ruygt 1998-4-27 3938 Napa NE corner of the county, on Blue Ridge. 722 Comment
  UCD63174  Erigeron foliosus var. franciscensis Jake Ruygt 1996-6-23 3755 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 438 Comment
  UCD63175  Erigeron petrophilus var. petrophilus Jake Ruygt 1981-7-23 1083 Napa Berryessa Peak. 914 Comment
  UCD164757  Erigeron philadelphicus var. philadelphicus Jake Ruygt 2014-5-24 5957 Napa Pope Creek, Pope Canyon. 148 Comment
  HSC43918  Eriodictyon californicum Robert M. Specht 1977-4-13 657 Napa South-facing slope 488 Comment
  SBBG14310  Eriodictyon californicum L. B. Hendrix 1962-5-5 40 Napa SE end of Lake Berryessa, just W of Monticello Dam on Rd along lake Comment
  UC917215  Eriodictyon californicum M. R. Wanzer 1948-5-16 16 Napa 12.5 mi w Winters (Putah Canyon); Putah Canyon Comment
  UCD49085  Eriodictyon californicum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 6 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd., up a slope on the NE side of the road. 237 Comment
  CAS-BOT-BC242611  Eriogonum dasyanthemum John Thomas Howell 1927-8-23 3042 Napa Chiles Valley, Napa Range 213 Comment
  RSA207  Eriogonum dasyanthemum J. T. Howell 1927-8-23 681 Napa Chiles Valley, Napa Range. 213 Comment
  SEINET253260  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, Near Chiles School, Napa Mountains. Comment
  UCD99893  Eriogonum dasyanthemum Christine Lowrie 1972-5-17 35 Napa Napa County Comment
  CAS-BOT-BC266063  Eriogonum luteolum John Thomas Howell 1929-10-26 4535 Napa Flood plain of creek 1 mile NW of Calistoga Comment
  JEPS57051  Eriogonum luteolum var. luteolum Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  JEPS117028  Eriogonum luteolum var. luteolum David Gowen 2008-5-14 912 Napa Just north of intesction of Snell Rd. on Butts Canyon Rd. Comment
  SEINET3405146 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts Comment
  CAS-BOT-BC474562  Eriogonum nervulosum G. Ledyard Stebbins 1985-6-17 C 534 Napa NW of Dunnigan Hill, W of Hunting Creek, SW of Knoxville (exact location unknown; coordinates estaimated by label maker) 432 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
  CAS-BOT-BC268980  Eriogonum nudum var. auriculatum John Thomas Howell 1930-7-13 5345 Napa Lower slopes of Mt. St. Helena Comment
  SBBG28223  Eriogonum nudum var. oblongifolium S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mtns Comment
  JEPS106949  Eriophyllum confertiflorum Jake Ruygt 1996-6-1 3731 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 280 Comment
  JEPS106954  Eriophyllum lanatum var. achilleoides Jake Ruygt 1990-5-12 2538 Napa Wooden Valley, north of Wooden Valley School 237 Comment
  JEPS34602  Eriophyllum lanatum var. achilleoides W. L. Jepson 1923-4-29 9889 Napa St. Helena Comment
  UC1301026  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1963-3-17 5206 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC165848  Eriophyllum lanatum var. achilleoides J. P. Tracy 1902-5-21 1570 Napa head of Moore's Creek (3-4 mi e of Angwin's); Howell Mountain, Moore's Creek 457 Comment
  UCD161361  Eriophyllum lanatum var. achilleoides Jake Ruygt 1988-5-29 2198 Napa Adams Ridge. (Coordinates estimated by label maker at UC Davis). 670 Comment
  CAS-BOT-BC301057  Eriophyllum lanatum var. achilleoides John Thomas Howell 1927-8-24 3052 A Napa Between Mirabel and Mt. St. Helena Inn, canyon of St. Helena Creek Comment
  RSA92291  Eriophyllum lanatum var. achilleoides F. W. Peirson 1928-7-4 7953 Napa Summit of Mt. St. Helena grade Comment
  UC507185  Eriophyllum lanatum var. achilleoides Lincoln Constance 1931-3-21 138 Napa rock slide on Mount St. Helena Comment
  JEPS34731  Eriophyllum latilobum W. L. Jepson 1938-5-25 18859 Napa Bell Canyon Howell Mtn., Bell Canyon 579 Comment
  UCD18170  Erodium botrys Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  RSA92832  Erodium brachycarpum Peter H. Raven 1953-4-2 5231 Napa Imola. Comment
  JEPS106855  Erodium cicutarium Jake Ruygt 1991-4-20 2630 Napa Cooksley Lake, Friesen's Lakes,Angwin 615 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
  UCD169885  Erodium cicutarium Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 724 Napa Knoxville Wildlife Area. 352 Comment
  UCD170346  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 845 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 586 Comment
  POM180788  Eryngium aristulatum var. aristulatum J. T. Howell 1930-7-13 5369 Napa Near Myrtledale Hot Springs, upper Napa Valley Comment
  JEPS17418  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-9-25 14269 Napa Napa City rd. to Suscol House, within ca. 2 mi. of Suscol House, Lone Tree Farm Napa River Basin, Suscol Hills, Lone Tree Farm Comment
  JEPS17436  Eryngium aristulatum var. aristulatum Willis L. Jepson 1903-9-7 2352 Napa above St. Helena Reservoir; Napa River Basin Comment
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  CAS-BOT-BC54302  Erysimum capitatum John Thomas Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  UC1034941  Erysimum capitatum G. B. and R. P. Rossbach 1938-6-1 852 Napa steep ledges above Wooden Valley on side toward Napa (about 7 mi ne of Napa) 487 Comment
  UCD114994  Erysimum capitatum var. capitatum W. M. Grannell 1950-4-27 2 Napa Putah Canyon. Comment
  SEINET14046079 Image available Erythranthe microphylla C. G. Baughn 1949-1 21 Napa beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  SEINET8274778  Erythranthe microphylla Richard W. Cleveland 1951-4-8 16 Napa on road from Monticello to Napa, 8 miles east of Napa. Comment
  RSA52730  Erythronium helenae I. L. Wiggins 1949-4-30 s.n. Napa Mount St. Helena near Lake Co. Line Comment
  CAS-BOT-BC402786  Eschscholzia caespitosa John H. Thomas 1955-5-21 5131 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC402792  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa Canyon between Monticello and Pope Valley Comment
  CDA11189  Eschscholzia caespitosa G. F. Hrusa 1988-4-16 5537 Napa North Coast Biodiversity Arena; 3/4 mile along Knoxville -Berryessa Rd. from junction of Hwy 128. Comment
  CHSC79183  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon on Hwy 128. Comment
  UCD94055  Eschscholzia caespitosa Shannon M. Still 2006-3-23 62 Napa California. Napa County: CA-128 on northern side of road in turnout. 265 Comment
  UC796476  Eschscholzia caespitosa Ira L. Wiggins 1949-4-30 12078 Napa about 2.5 mi from Calistoga (ridge along old road between Calistoga and) Comment
  UCD95249  Eschscholzia caespitosa Alan P. Godlewski 1974-5-3 22 Napa west of Lake Berryessa, 100 yards from Highway 128. Comment
  RSA52711  Eschscholzia caespitosa subsp. caespitosa I. L. Wiggins 1949-4-30 12078 Napa 2.5 miles above Calistoga along old toll road to Middletown Comment
  CAS-BOT-BC403335  Eschscholzia californica L. R. Abrams 1928-5-4 12285 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC403340  Eschscholzia californica Brandegee 1889-4-1 A Napa Mt. St. Helena Comment
  JEPS51731  Eschscholzia californica F. R. Mackenzie 1937-4-14 Napa Oakville Comment
  JEPS51781  Eschscholzia californica W. L. Jepson 1904-6-3 2442 Napa Howell Mt. 792 Comment
  UCD73445  Eschscholzia californica 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
  UC635607  Eschscholzia lobbii H. L. Mason 1926-3-27 2799 Napa road between Gordon Valley and Wooden Valley Comment
  SEINET3093500 Image available Eucalyptus globulus Royal D. Suttkus 1967-6-26 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS129080  Euphorbia crenulata Jake Ruygt 2016-4-5 6177 b Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  RSA10671  Euphorbia crenulata C. B. Wolf 1928-5-3 1818 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS106420  Euphorbia oblongata Jake Ruygt 1990-5-6 2533 Napa Yountville Ecological Reserve on Napa River 27 Comment
  UC55949  Euphorbia spathulata J. P. Tracy 1902-5-15 1455 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Moore's Creek 457 Comment
  UCD117765  Euphorbia spathulata Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. Adjacent to serpentine slope. 386 Comment
  UCD170155  Euphorbia spathulata Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 783 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 423 Comment
  UC485607  Eurybia radulina Katharine Brandegee 1910-7-27 Napa Angwin, Howell Mt. Comment
  CHSC102302  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 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
  UC1093971  Euthamia occidentalis H. L. Mason 1923-10-6 771 Napa Suisan Marsh Comment
  JEPS122946  Festuca arundinacea Jake Ruygt 1989-4-22 2288 Napa Capell Creek. Quad: Capell Valley. Comment
  CHSC114890  Festuca californica D. G. Kelch 2010-4-28 10180 Napa N Rockville along Suisun Valley Rd. Nr Napa County Line. 159 Comment
  JEPS69235  Festuca californica W. L. Jepson 1913-4-15 5315 Napa Howell Mt. 609 Comment
  JEPS75636  Festuca californica W. L. Jepson 1936-5-28 17543 Napa Adam-and-Eve Ridge Howell Mt. Comment
  SBBG29006  Festuca californica B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UCD65856  Festuca californica subsp. californica Beecher Crampton 1962-5-16 6420 Napa 3.5 miles north of Conn Reservoir, western slope of Chiles Valley. Comment
  UCD65899  Festuca californica subsp. californica J. Street 1950-4-24 Napa 4 mi. E of Rutherford. Comment
  CAS-BOT-BC278342  Festuca californica subsp. californica Mabel Wiesendanger 1927-5-4 700 Napa Monticello-Napa road 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
  CAS-BOT-BC282494  Festuca elmeri Carl B. Wolf 1928-5-3 1813 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  HSC9857  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UC187121  Festuca elmeri J. P. Tracy 1902-5-22 1629 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  UCR24024  Festuca microstachys John C. Roos 1939-4-29 288 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS122918  Festuca occidentalis Jake Ruygt 2002-5-25 4431 Napa Devil's Canyon (Archer Taylor Preserve). Quad: Sonoma. Comment
  UCD36938  Festuca roemeri Beecher Crampton 1956-5-25 3458 Napa Vaca Mountains, head of Markley Canyon. Comment
  UCD37405  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  UCD66253  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  POM57347  Filago californica C. F. Baker 1903-4-20 2626 Napa Mt. St. Helena. Comment
  JEPS110713  Forestiera pubescens Jake Ruygt 1986-3-29 1673 Napa Toll Canyon 432 Comment
  CHSC108737  Fraxinus dipetala B. Castro; L. P. Janeway 2002-5-12 1367 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. Near road edge. 563 Comment
  CAS-BOT-BC223529  Fraxinus latifolia Peter H. Raven 1951-8-22 3881 Napa 2 4/10 miles from Lokoya on Napa Rd. 243 Comment
  CAS-BOT-BC223533  Fraxinus latifolia H. E. McMinn 1923-5-25 957 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  JEPS122729  Fraxinus latifolia Jake Ruygt 1987-4-28 1965 Napa 0.9 miles north of Trancas Street on Silverado Trail. Quad: Napa. Comment
  JEPS78436  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  POM128281  Fraxinus latifolia H. P. Chandler 1907-4-14 7514 Napa Near Napa River, N of St. Helena. Comment
  UCD122053  Fraxinus latifolia Beecher Crampton 1968-5-8 8262 Napa 1/2 mile south of Calistoga. Comment
  CAS-BOT-BC205887  Fremontodendron californicum Walter Knight; Irja Knight 1963-10-20 366 Napa 4.5 mi. north of Knoxville Comment
  CAS-BOT-BC205891  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 mi. S. E. of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  SBBG26893  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa 4 mi N of Knoxville Mines Comment
  UC615155  Fremontodendron californicum B. O. Schreiber 1936-9-20 2354 Napa 5 miles south of Reiff, Napa County 762 Comment
  SEINET5510213 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa North base of Mt. St. Helena, along State Highway 29 Comment
  SEINET5518602  Fremontodendron californicum subsp. napense Herbert L. Mason 1935-1 10009 Napa Four miles north of Knoxville Mines Comment
  UC504870  Fritillaria affinis R. M. Holman 1933-4-12 Napa near Mount Veeder Comment
  CAS-BOT-BC130490  Fritillaria purdyi John Thomas Howell 1940-5-19 15451 Napa Upper St. Helena Creek Comment
  JEPS129090  Fritillaria purdyi Jake Ruygt 2016-3-15 6163 Napa Missimer-Fernandes E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  JEPS81599  Fritillaria purdyi R. Raiche 1982-3-7 20205 Napa Junction of Snell Valley Road and Butts Canyon Road Comment
  JEPS113968  Fritillaria recurva Jake Ruygt 1990-4-8 2474 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UC1228174  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa above Capell Creek (n end of Capell Valley, along State Highway 128); Capell Valley Comment
  UCD162118  Fritillaria recurva Dylan O. Burge 2014-3-15 1496 Napa Mount Saint Helena. 640 Comment
  CAS-BOT-BC508186  Fritillaria recurva Hunt 1913-3-27 s.n. Napa St Helena Comment
  SEINET8480174  Fritillaria recurva H. P. Chandler 1907-3-6 1503 Napa Reservoir, St. Helena. Comment
  OBI57145  Galium andrewsii David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24508 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  UCD118515  Galium andrewsii subsp. andrewsii Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD159924  Galium aparine Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  RSA10657  Galium aparine Carl B. Wolf 1928-5-3 1832 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UCD149696  Galium californicum 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
  UC102475  Galium californicum subsp. californicum Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD95907  Galium californicum subsp. californicum Ellen Dean; with Clare Loughran 2011-5-20 7048 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  RSA78600  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa W of Napa Valley betw St. Helena and Mt. St. John. Napa Valley. 229 Comment
  UCD168559  Galium porrigens 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
  JEPS6612  Galium porrigens var. porrigens W. L. Jepson 1944-5-21 27523 Napa 4 mi e Rutherford Comment
  CDA10841  Galium porrigens var. tenue G. F. Hrusa, G. L. Stebbins 1994-4-14 11778 Napa North Coast Biodiversity Arena; along Butts Creek, Butts Canyon, 4 mi. N Pope Valley. Comment
  JEPS129075  Galium porrigens var. tenue Jake Ruygt 2016-4-2 6171 d Napa Smittle Creek NCRPOD, west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD121909  Galium porrigens var. tenue Barbara Ertter; Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Road N of Lake Berryessa, 9.0 mi S of Knoxville tunnel. 243 Comment
  CAS-BOT-BC199056  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  UC971940  Garrya congdonii C. R. Bell 1952-3-8 1245 Napa 5.8 mi e Pope Valley - Monticello road junction (n of road) Comment
  SEINET8730403 Image available Garrya congdonii C. R. Bell 1952-1 1245 Napa To north of road 5.8 miles east of Pope Valley-Monticello road junction. 5 Comment
  CAS-BOT-BC144377  Garrya fremontii John Thomas Howell 1939-2-5 14597 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144381  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  CAS-BOT-BC144385  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  CAS-BOT-BC144424  Garrya fremontii Mrs. H. P. Bracelin 1930-3-23 s.n. Napa Flanks of Mt. St. Helena. 1 1/2 mi. S.E. of Mt. St. Helena Inn Comment
  JEPS66733  Garrya fremontii W. L. Jepson 1896-2-22 14160 Napa Crystal Springs grade to Howell Mt. Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  JEPS126067  Geranium carolinianum Jake Ruygt 2006-5-23 5036 Napa Bell Creek. Saint Helena 7.5' Quad. Comment
  JEPS61469  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  JEPS126066  Geranium molle Jake Ruygt 2005-3-28 4737 Napa Near Knoxville Wildlife Area. Knoxville 7.5' Quad. Comment
  UCD20826  Geranium molle N. Nicola 2001-3-30 042 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD23410  Geranium molle Nicholas Ewing 1977-4-16 11 Napa Petals lavender, annual, erect, leaves palmately veined and palmately lobed. Anthers lavender. North facing slope, half sun, foothill woodland. 0.6 miles east along East Bull Canyon, off Highway 128 7.4 miles SSW of Monticello Dam. 152 Comment
  UCD49069  Geranium molle L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 2 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 Cut-Off Rd. 152 Comment
  UCD103399  Geranium molle C. G. Baughn 1949-4-24 22 Napa State Highway 12, 4 miles northwest of Cordelia. Comment
  UC1535362  Geranium purpureum Glen Holstein 1977-5-11 Napa 0.7 mi n State Highway 121 intersection with Wooden Valley Road (along State Highway 121) Comment
  UCD150654  Geranium pusillum Stephen Brown 1974-4-6 27 Napa Four miles W junction of Hwys. 121 and 128, on Hwy 128. 304 Comment
  JEPS21822  Geranium robertianum Margaret Whitmore 1958-4-3 33 Napa 3 mi nw Napa (on Redwood Road) 30 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
  UC932035  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa wooded canyon ca 8 mi ne Vichy Springs (on Monticello Road, Mayacama Mountains); Mayacama Mountains, ne of Vichy Springs Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  POM203323  Gilia tricolor J. T. Howell 1931-4-4 6163 Napa Near Toll House, Mt. St. Helena Comment
  JEPS110950  Gilia tricolor subsp. diffusa Jake Ruygt 1992-4-2 2872 Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  UCD167226  Gilia tricolor subsp. diffusa Jake Ruygt 2008-4-12 5284 Napa About 1.5 miles northwest of Zim-Zim Falls. 438 Comment
  UCD167228  Gilia tricolor subsp. tricolor Jake Ruygt 1982-4-7 1170 Napa Suscol Hill west of Highway 29 (221). 24 Comment
  RSA52709  Githopsis specularioides I. L. Wiggins 1949-4-30 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles NE of Calistoga. Comment
  SEINET10464564  Githopsis specularioides Ira L. Wiggins 1949-4-30 Wiggins 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles northeast of Calistoga Comment
  UCD85207  Glyceria striata Beecher Crampton 1953-7-14 1515 Napa N.E. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  UC1199057  Glycyrrhiza lepidota Joseph P. Tracy 1904-5-24 2080 Napa along river near Rutherford; Northern Coast Ranges, Napa River 60 Comment
  UCD167088  Glycyrrhiza lepidota Jake Ruygt 2010-6-19 5614 Napa 200 yds west of Hunting Creek along Putah Creek. 185 Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  JEPS2617 Image available Gnaphalium palustre W. L. Jepson 1896-1 Napa St. Helena Napa River Basin; St. Helena, Napa River Basin Comment
  CDA6057  Gnaphalium stramineum R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  JEPS110683  Gratiola ebracteata Jake Ruygt 1996-5-19 3714 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  UCD161299  Grindelia camporum Jake Ruygt 1978-7-5 379 Napa 4.2 miles NE of Monticello Road on Atlas Peak Road. (Coordinates estimated by label maker at UC Davis). 268 Comment
  CAS-BOT-BC304907  Grindelia hirsutula John Thomas Howell 1933-8-27 11645 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  SEINET3142904  Grindelia hirsutula M. P. Dunford 1959-10-3 555 Napa 2 mi. W of Chiles Valley; along Soda Creek 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
  UC160977  Guillenia lasiophylla Joseph P. Tracy 1902-5-16 1501 Napa 3 to 4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  CAS-BOT-BC8138  Harmonia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  UCD170465  Harmonia hallii Daniel Potter; Ninh Khuu 2016-6-18 894 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 449 Comment
  CAS-BOT-BC302214  Harmonia nutans M. S. Jussel 1937-5-23 s.n. Napa Palisades 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-BC302237  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mountain, near summit, 6.5 mi. N.E. of St. Helena Comment
  CAS-BOT-BC302243  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena. Northwestern Napa County 950 Comment
  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
  JEPS106638  Helenium bigelovii Jake Ruygt 1996-6-15 3745 Napa White Cliff Springs, above Soda Valley (Soda Spring) 365 Comment
  CAS-BOT-BC305536  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa Chiles Valley - 1-3 miles east 304 Comment
  JEPS35463  Helianthus bolanderi W. L. Jepson 1938-9-24 19018 Napa Canyon of James Creek Pope Valley, Canyon of James Creek 304 Comment
  JEPS35475  Helianthus bolanderi W. L. Jepson 1916-8-7 6842 Napa Howell Mt. Comment
  HSC5789  Helianthus californicus H. P. Chandler 1906-11-10 7128 Napa Alta Loma Ranch; Howell Mtn. 488 Comment
  JEPS4457  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CHSC102268  Helianthus cusickii Lowell Ahart 2009-10-12 16424 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  HSC100735  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  UCD169856  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC306143  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC306152  Hemizonia congesta subsp. clevelandii David D. Keck 1933-11-10 2716 Napa Calistoga, 2 mi. N. of the center of town, at the geysers Comment
  UC197528  Hemizonia congesta subsp. lutescens H. M. Hall 1915-8-12 10095 Napa near Napa Junction Comment
  CAS-BOT-BC309837  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  JEPS106660  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1981-5-27 1047 Napa American Canyon 137 Comment
  UC2026901  Hemizonia congesta subsp. luzulifolia David Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  CAS-BOT-BC309843  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa In Napa, Napa Valley Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo 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
  UC31906  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1894-5-1 Napa Conn Valley Comment
  UCD170688  Hesperevax sparsiflora var. sparsiflora 2018-4-28 5 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. 163 Comment
  JEPS126105  Hesperocyparis macnabiana Jake Ruygt 1979-2-25 437 Napa Oat Hill Mine Road near Bateman Creek. Detert Reservoir 7.5' Qua. Comment
  OBI74556  Hesperocyparis macnabiana David J. Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S ofturnoff to Homestake McLaughlin mine/Mill 107 Comment
  JEPS49034  Hesperolinon W. L. Jepson 1936-7-3 17648 Napa La Brusca Howell Mt. Comment
  CAS-BOT-BC167420  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's 396 Comment
  OBI12554  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4108 Napa Above Sage Crk 0.8 mi S of Chiles Valley Comment
  RSA151715  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  RSA151812  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-1 4117 Napa Between Walter Springs and Samuel Springs above Pope Creek, Pope Valley-Monticello road 152 Comment
  UC1212346  Hesperolinon bicarpellatum Freed W. Hoffman 1947-6-17 1647 Napa Sage Canyon Comment
  UC1212349  Hesperolinon bicarpellatum Helen K. Sharsmith 1958-10-16 4620 Napa s-facing slope of canyon about 100 ft above creek (road from Pope Valley to Monticello about 3 mi e of Pope Valley, btween Walters Springs and Samuels Springs); Inner North Coast Ranges, Pope Creek Canyon 137 Comment
  UC1212358  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4140 Napa canyon at junction of Snell Valley road; Inner North Coast Ranges, Butts Canyon 196 Comment
  UC1212359  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4606 Napa 0.25 mi beyond north end of Pope Valley (near divide between Pope Valley and Butt's Canyon); Inner North Coast Ranges 259 Comment
  UC1601243  Hesperolinon bicarpellatum Helen K. Sharsmith 1958-10-16 4621 Napa one half mile n Pope Valley (on road Butt's Creek); Inner North Coast Ranges 243 Comment
  SD51691  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa Southeast slope below rock spire west of junction of state highways 37 and 128, south end Cappell Valley. 274 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-BC176015  Hesperolinon californicum Peter H. Raven 1950-6-20 2369 Napa In the Napa Range between Conn Valley and Howell Mtn. Comment
  JEPS122801  Hesperolinon californicum Jake Ruygt 2005-6-4 4903 Napa SE end of Paradise Valley. QUAD: Jericho Valley. Comment
  JEPS122839  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 225 Napa In meadow above Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road) Comment
  JEPS122877  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 618 Napa Lunch meadow site at McLaughlin Reserve Comment
  UC1212437  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4074 Napa near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 289 Comment
  UCD110500  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa Above Sage Creek on west side Chiles Valley. 304 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
  JEPS32281  Hesperolinon californicum Jos. P. Tracy 1899-6-19 384 Napa hill beyond flat Howell Mt. Comment
  SD51768  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine. 305 Comment
  UC1212335  Hesperolinon clevelandii J. P. Tracy 1902-5-16 1489 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 457 Comment
  JEPS127860  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 626 Napa Pipeline road meadow site at McLaughlin Reserve Comment
  SD51675  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Ca. 1.0 mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Montecello road. 121 Comment
  UC1212482  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Knoxville-Monticello road 0.8 mi s Knoxville (above Knoxville Creek); Inner North Coast Ranges 365 Comment
  JEPS122779  Hesperolinon drymarioides Jake Ruygt 1998-7-11 4089 Napa Devilhead Road about 1/2 mile south of ranch. QUAD: Knoxville. Comment
  RSA653987  Hesperolinon micranthum Beecher Crampton 1956-5-25 3452 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UC1212257  Hesperolinon micranthum Helen K. Sharsmith 1952-5-17 4071 Napa 3.8 mi n Cappell Valley road junction; Inner North Coast Ranges, Steel Canyon 304 Comment
  UCD37129  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  UCD63864  Hesperolinon micranthum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 560 Comment
  UCR146397  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Inner North Coast Ranges, North end of Capell Valley, above Capell Creek 213 Comment
  UC1212412  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4594 Napa nw of Cappell Valley; Inner North Coast Ranges 243 Comment
  UCD110531  Hesperolinon spergulinum G. F. Hrusa 1996-6-30 13070 Napa Ida Clayton Rd. 700 Comment
  UCD167350  Hesperolinon spergulinum Jake Ruygt 2007-5-26 5198 Napa Duff Ranch, south side of Grassy Hill. 707 Comment
  UCD112242  Heterocodon rariflorum Christopher Mallek 2008-5-12 AS2- 14 Napa Aetna Springs. 668 Comment
  UCD164836  Heterocodon rariflorum Jake Ruygt 2012-6-2 5858 -c Napa Spanish Valley on south ridge. 345 Comment
  CAS-BOT-BC143748  Heteromeles arbutifolia L. R. Abrams 1916-7-2 5765 Napa Near St. Helena Sanitarium Comment
  RSA518726  Heterotheca oregona var. compacta Barbara Ertter, E. Neese 1988-10-2 7949 Napa Lake Hennessey, ca. 15 airmiles NNW of Napa, on Conn Crk in North Coast Ranges. 91 Comment
  JEPS106625  Heterotheca oregona var. rudis Jake Ruygt 1991-8-5 2822 Napa .5 mile north of Pope Creek on Berryessa Knoxville Rd. 152 Comment
  CAS-BOT-BC424163  Heuchera micrantha var. erubescens Alice Eastwood 1915-6-5 4577 Napa Petrified Forest Comment
  UCD133136  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  UCD105871  Hoita macrostachya K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UC1618008  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa between Napa and Wooden Valley (n. slopes of George Mt. along Sarco Creek); George Mt., Sarco Creek 152 Comment
  JEPS106643  Holocarpha virgata Jake Ruygt 1978-8-20 398 Napa 1.6 mi.E of junct.Chiles and Pope V.Rd on Berryessa-Knox.Rd. 143 Comment
  UCD113346  Holodiscus discolor Beecher Crampton 1965-6-17 7424 Napa Napa county line, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  JEPS106644  Holozonia filipes Jake Ruygt 1992-7-4 3067 Napa Johnson Meadow,Wild Horse Valley Ranch 420 Comment
  CAS-BOT-BC315796  Holozonia filipes Peter H. Raven 1952-8-28 5162 Napa Road below Napa Soda Springs 213 Comment
  UC668201  Holozonia filipes Joseph P. Tracy 1938-6-6 15838 Napa between Napa City and Youngville; Napa Valley 30 Comment
  RSA10673  Hordeum brachyantherum C. B. Wolf 1928-5-3 1816 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SACT001319  Hordeum brachyantherum John Willoughby 1975-5-25 Napa Tufted perennial, collected along BLM road in Cedar Valley. Comment
  UCD83854  Hordeum brachyantherum Ellen Dean; Kate Mawdsley 2010-4-30 5944 a Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. 71 Comment
  CAS-BOT-BC280879  Hordeum brachyantherum subsp. brachyantherum Peter H. Raven 1950-4-15 1702 Napa Napa 9 Comment
  CAS-BOT-BC285096  Hordeum marinum subsp. gussoneanum Peter H. Raven 1952-5-29 4078 Napa Napa River 1 mi. n. Napa 60 Comment
  UCD20739  Hordeum murinum Ellen Dean; w/ Mark Bibbo 2002-6-17 1103 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. By field station, in the middle of the parking lot. 384 Comment
  UCD168567  Hordeum murinum subsp. leporinum Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UC679532  Horkelia californica subsp. dissita Milo S. Baker 1942-6-26 10208 Napa 1 mi e Pac. Theolog. Seminary; Pine Crest Comment
  JEPS106982  Hydrocotyle sibthorpioides Doreen Smith Nov 2003 s. n. Napa lawn of Silverado Country Club, E edge Napa Valley on NE side of Napa 39 Comment
  JEPS66798  Hypericum concinnum Alice King July, 1919 Napa Mt. St. Helena, Van Ness ranch Comment
  POM38444  Hypericum concinnum Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  CAS-BOT-BC410801  Hypericum concinnum H. E. McMinn 1922-6-8 168 Napa Mt Howell Summit Comment
  CAS-BOT-BC410805  Hypericum concinnum Belle Richardson Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's Mt. St. Helena region Comment
  RSA491728  Hypericum concinnum James L. Reveal 1987-6-7 6400 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles west of Pleasant Valley Road, about 7 miles northwest of Vacaville. 762 Comment
  UC521696  Hypericum concinnum Joseph Andorfer Ewan 1933-9-17 8008 Napa near n. summit Mt. St. Helena Comment
  JEPS66804  Hypericum formosum var. scouleri W. L. Jepson 1893-6-26 13963 Napa Howell Mt. Comment
  UCD164742  Hypericum scouleri Jake Ruygt 2014-6-23 6018 Napa Sutro Ranch, Atlas Peak, near Foss Valley. 534 Comment
  UCD133324  Hypochaeris glabra Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  UCD138729  Iris fernaldii Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  RSA135896  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17119 Napa Troutdale Creek, Highway 29, 1.4 miles south of Lake County line Comment
  SEINET4170694  Iris fernaldii Unknown 1966-5-7 Napa St. Hwy 128, 15 mi. NW of Rutherford. 152 Comment
  UCD138726  Iris fernaldii Heidi E. M. Dobson 1978-4-8 298 Napa Mt. Veeder. Comment
  UC917173  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 mi from St. Helena (on Pope Valley Road) Comment
  UCD48249  Iris macrosiphon K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 5 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south of path. 545 Comment
  UCD48720  Iris macrosiphon M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 10 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 50 ft. N of lat./long position. 289 Comment
  UCD95898  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7043 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD138760  Iris macrosiphon Alan P. Godlewski 1974-5-3 23 Napa West of Lake Berryessa. 100 yards from Highway 128. Comment
  JEPS122771  Isatis tinctoria Jake Ruygt 2011-5-14 5785 Napa Chiles-Pope Valley Road near old barn. Quad: Chiles Valley. Comment
  UC484303  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1801 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  CAS-BOT-BC102319  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  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
  CHSC93644  Juglans nigra Paul Kirk 2001-10-25 10 Napa Duffy Ranch. 30 Comment
Read comments
Jan 14 2009
  UCD166696  Juncus bolanderi Jake Ruygt 2010-6-21 5621 Napa north entrance to Azalea Springs Rd. 96 Comment
  UC730033  Juncus bufonius Leo F. Koch 1940-4-24 860 Napa 7 mi from Monticello (Pope Creek Road) 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
  JEPS122652  Juncus covillei Jake Ruygt 1989-6-17 2370 Napa Van Ness Canyon near Bear Valley. Quad: Detert Resevoir. Comment
  UCD166699  Juncus covillei Jake Ruygt 2010-6-21 5631 Napa Van Ness Creek at north entrance into Bear Valley. 615 Comment
  JEPS126053  Juncus dubius Jake Ruygt 2010-6-26 5659 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  JEPS122657  Juncus effusus subsp. pacificus Jake Ruygt 1985-5-25 1601 Napa American Canyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  JEPS76128  Juncus effusus subsp. pacificus W. L. Jepson 1938-10-1 19048 Napa e slope Mt. St. Helena (just beyond pass, Molly Patton Inn) Comment
  JEPS122656  Juncus ensifolius Jake Ruygt 1984-6-23 1575 Napa Livermore Road, west of ranchhouse. Quad: Detert Reservoir. Comment
  JEPS67117  Juncus hemiendytus Jos. P. Tracy 1902-5-18 1534 Napa Head of Moores Creek Howell Mt. 518 Comment
  UC14891  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-18 1534 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  UC1746017  Juncus hemiendytus var. hemiendytus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2774 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC183781  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1902-5-18 1534 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Head of Moores Creek 518 Comment
  JEPS122683  Juncus kelloggii Jake Ruygt 2007-5-17 5180 Napa Duff Ranch, NE of Grassy Hill. Quad: Calistoga. Comment
  JEPS122664  Juncus occidentalis Jake Ruygt 1978-5-27 341 Napa 7.7 miles NE of Monticello Road on Atlas Peak Road. Quad: Capell Valley. Comment
  UC842740  Juncus occidentalis M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  JEPS122663  Juncus patens Jake Ruygt 1982-6-21 1340 Napa Suscol plain, (Rocktram). Quad: Napa. Comment
  JEPS75645  Juncus patens W. L. Jepson 1936-6-1 17577 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  UCD121184  Juncus patens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7361 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. 392 Comment
  UCD141887  Juncus phaeocephalus var. paniculatus Q. Tofsrud 1947-5-4 s.n. Napa Napa. Comment
  JEPS122684  Juncus xiphioides Jake Ruygt 2003-6-21 4551 Napa About 0.9 mile SE of Knoxville site, east side of Berryessa-Knoxville Road. Quad: Knoxville. Comment
  JEPS126041  Juncus xiphioides Jake Ruygt 1995-6-5 3498 Napa Oakville Grade about 1/2 way to top of grade, S side road. Rutherford 7.5' Quad. Comment
  UCD148833  Juncus xiphioides Ellen Dean; Diana Hickson 2014-4-29 8138 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  RSA475215  Kickxia elatine Aaron Liston, Sara Meury 1987-6-6 676 -1 Napa Bothe - Napa Valley State Park. 150 Comment
  UCD123880  Kickxia elatine Freed Hoffman 1947-8-1 1689 Napa Sage Canyon. 796 Comment
  UCD36305  Koeleria macrantha Beecher Crampton 1953-5-19 1307 Napa 10 miles west of Monticello, along Highway 128. Comment
  UCD36946  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  UCD37404  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  CAS-BOT-BC499635  Kopsiopsis strobilacea L. R. Abrams 1928-5-4 12264 Napa Mt. St. Helena trail Comment
  UC1536759  Lactuca serriola G. H. True 1937-10-12 843 Napa roadside near Lokoya Lodge 304 Comment
  CAS-BOT-BC340500  Lactuca serriola J. H. Thomas 1960-8-29 8838 Napa About 1 mile north of Calistoga along highway number 53 Comment
  UC668199  Lagophylla minor Joseph P. Tracy 1938-6-5 15825 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain 365 Comment
  UCD48648  Lagophylla minor K. Mogel; B. Pekin and M. Higley 2002-5-4 1 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 750 ft. along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  CAS-BOT-BC341431  Lagophylla minor Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5350 Napa North side of Pope Creek, between Samuels Springs and Walters Springs 243 Comment
  JEPS41064  Lagophylla minor Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9114 Napa about 7 mi se Knoxville (at the s end of Cedar Valley); Cedar Valley 594 Comment
  SEINET3860269  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring.; 0 Comment
  UC913121  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek just s Walters Spring; ; bridge over Pope Creek, S of Walters Spring, Napa Co. Comment
  CAS-BOT-BC341552  Lagophylla ramosissima Peter H. Raven 1951-8-19 3833 Napa Near Lokoya 304 Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain Comment
  UCD38947  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, State Hwy. 128. Comment
  CAS-BOT-BC338262  Lasthenia californica Carl B. Wolf 1928-5-3 1786 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS106675  Lasthenia californica Jake Ruygt 1996-4-22 3623 Napa Lewelling Ranch, St. Helena. 88 Comment
  RSA639491  Lasthenia californica Kay Wilder 1977-4-24 23 Napa Along Pope Canyon Road, 15.6 miles N of Knoxville junction. 385 Comment
  UC1363760  Lasthenia conjugens Robert Ornduff 1960-4-26 6116 Napa 0.9 mi n of Soda Canyon Rd.; Silverado Trail Comment
  CAS-BOT-BC355483  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  UC891315  Lasthenia gracilis Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  UCD159788  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3164 Napa Soda Canyon Road, near crest. 457 Comment
  JEPS10166  Lasthenia gracilis W. L. Jepson 1893-4-28 Napa Napa Comment
  UC30426  Lasthenia gracilis Willis L. Jepson 1893-5-1 Napa Napa Valley Napa River Basin, Upper Napa Valley Comment
  JEPS122755  Lasthenia microglossa Jake Ruygt 2003-4-24 4505 Napa Blue Ridge about 2 miles north of Mays Flat. Quad: Knoxville. Comment
  CDA4151  Lathyrus aphaca Mrs. H. C. Ackley Jun 1963 Napa Tubbs Lane near Calistoga. 0 Comment
  UCD73500  Lathyrus hirsutus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  NY15638  Lathyrus puberulus G. Thurber 03 1852 485 Napa Comment
  UCD75718  Lathyrus torreyi Jake Ruygt 2007-4-15 5153 Napa Las Posadas State Forest, upper Wildcat Canyon at hunting camp. 451 Comment
  UCD35857  Lathyrus vestitus Beecher Crampton 1965-5-13 7330 Napa 11 miles E of Rutherford, State Hwy. 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
  JEPS107265  Lathyrus vestitus var. vestitus Jake Ruygt 1991-6-1 2708 Napa north of Campbell Flat, Mt. St. John 463 Comment
  JEPS55384  Lathyrus vestitus var. vestitus W. L. Jepson 1924-4-6 10316 Napa Howell Mt. Napa Range 914 Comment
  UCD21552  Lathyrus vestitus var. vestitus A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 6 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 313 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
  CAS-BOT-BC323193  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UC913072  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 mi s Monticello (eastern Napa County) Comment
  CAS-BOT-BC321716  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  HSC43963  Layia platyglossa Robert M. Specht 1977-4-11 621 Napa Along drainage of Pocock Creek 500 Comment
  CAS-BOT-BC329303  Layia septentrionalis John Thomas Howell 1940-5-19 15458 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC534370  Lemna minor Peter H. Raven 1952-5-31 4105 Napa Slough of Napa Creek e. Yountville 30 Comment
  UC1157918  Lemna minuscula John C. Roos September 1938 Napa Angwin, Pacific Union College farm Angwin; , Pacific Union College farm 487 Comment
  CAS-BOT-BC221497  Lepechinia calycina H. E. McMinn 1923-5-26 978 Napa Along Eticuera Creek tributary to Putah Creek Comment
  UC419737  Lepechinia calycina H. P. Bracelin 1930-7-13 27 Napa S slope of Mt St. Helena Comment
  UCLA64436  Lepechinia calycina Joseph Andorfer Ewan 1934-5-30 8859 Napa Sarco Creek 4 mi above Napa Comment
  JEPS48644  Lepidium dictyotum var. acutidens Elsa Kraeger 1926-3-27 Napa Calistoga, near geyser Calistoga Comment
  UCD148744  Lepidium didymum Jake Ruygt 1997-4-28 3839 Napa Napa County; east of Hwy 29, south of South Kelly Road. 19 Comment
  RSA769214  Lepidium latifolium L. Ahart 2009-10-27 16482 Napa Below high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters 130 Comment
  CAS-BOT-BC226536  Leptosiphon acicularis Peter H. Raven 1951-4-8 2766 Napa Yountville to Rutherford 76 Comment
  RSA10695  Leptosiphon androsaceus C. B. Wolf 1928-5-3 1792 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CHSC52453  Leptosiphon androsaceus Keith G. Weinstock 1975-5-9 10 Napa State Highway 128, 12.6 miles southwest of the intersection of Road 89 and Road 32 (Yolo County). Comment
  RSA195290  Leptosiphon androsaceus Gilbert Muth 1967-4-28 653 Napa Spring Mountain Road, St. Helena. Comment
  RSA97993  Leptosiphon androsaceus Robert C. Bechtel 1952-4-20 68 Napa 7 miles northwest of Monticello (Samuel Springs) 91 Comment
  UCD118585  Leptosiphon androsaceus Alan P. Godlewskie 1974-5-3 15 Napa west of Lake Berryessa, approximately 75 yards from Highway 128. 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
  HSC97648  Leptosiphon bicolor Gail Matson 1977-4-16 24 Napa Along Hwy. 128, 6.4 mi. SW of Monticello Dam 213 Comment
  UCD15043  Leptosiphon bicolor Helen West 1977-4-29 7 Napa California, Napa Co.; 6.3 miles southwest of Monticello Dam, off Road 128, in East Bull Canyon; Comment
  UCD118108  Leptosiphon parviflorus Megan Mateo; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station along undeveloped road. Northwest side of road near fork in road. 519 Comment
  UCD118393  Leptosiphon parviflorus Rachael Olliff; 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
  UCD118508  Leptosiphon parviflorus Amber Kimpel; 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
  UCD48066  Leptosiphon parviflorus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 10 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on lower reaches of research hill. 655 Comment
  CAS-BOT-BC324164  Lessingia hololeuca Peter H. Raven 1952-8-26 5147 Napa Railway 0.75 miles west of Buchli Station 30 Comment
  CAS-BOT-BC324169  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa 2 miles north of Calistoga, Napa Valley Comment
  RSA91165  Lessingia hololeuca John T. Howell 1926-10-3 2210 Napa 2 miles N of Calistoga, Napa Valley Comment
  CAS-BOT-BC341993  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa Canyon of south fork of Butts Creek Comment
  JEPS20587  Lessingia ramulosa W. L. Jepson 1916-8-6 6829 Napa Howell Mt. Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  CAS-BOT-BC444416  Lewisia rediviva Milo S. Baker 1926-5-1 168 C-Son Ser. Napa Mt St Helena - 1/2 mi. S.East Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  JEPS104543  Ligusticum apiifolium Jake Ruygt 1987-7-5 2061 Napa Bothe State Park, Ritchie Creek 128 Comment
  UC17898  Limnanthes douglasii subsp. nivea Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 Comment
  UC1593390  Limnanthes douglasii subsp. nivea R. Ornduff 1966-4-21 6880 Napa 4.4 mi se Calistoga (pasture along Hwy 29, in ephemeral stream) Comment
  SEINET5556952  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19736 Napa 3 mi. south of Calistoga. 91 Comment
  SEINET5556954  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19703 Napa 3 mi. north of Calistoga, along Rt. 128. 60 Comment
  JEPS110961  Linanthus acicularis Jake Ruygt 1992-5-3 2929 Napa Westwood Hills Park, Browns Valley Rd. Napa 121 Comment
  SEINET5732161 Image available Linanthus androsaceus Peta Lewis 1967-1 17 Napa Across from Monticello Dam, on State Highway 128.; Monticello Dam Comment
  UC1005688  Linanthus androsaceus Frank W. Gould 1939-4-6 602 Napa 11 mi e Napa 304 Comment
  JEPS58297  Linanthus ciliatus W. L. Jepson 1893-5-9 20909 Napa w of Rutherford; Napa Valley Comment
  UC23462  Linanthus ciliatus Willis L. Jepson 1893-5-9 Napa w of Rutherford; Napa River Basin Comment
  UC146062  Linanthus dichotomus H. P. Chandler 1907-4-25 7535 Napa Conn Valley Comment
  UC963942  Linanthus dichotomus R. F. Hoover 1941-4-26 4916 Napa between Samuel Springs and Walter Springs; Pope Creek Comment
  CAS-BOT-BC123069  Linanthus dichotomus subsp. meridianus John Thomas Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  SEINET197690  Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-5-24 12540 Napa Eight miles s. of Pope Valley Store. Comment
  POM182740  Linanthus dichotomus subsp. meridianus D. D. Keck 1931-4-2 1044 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  SEINET8729335 Image available Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-1 12540 Napa Eight miles south of Pope Valley Store Comment
  JEPS95210 Image available Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa 1.3 KM W of Hardin Rd.; Wantrup Wildlife Sanctuary 265 Comment
  CDA40092  Linanthus parviflorus T. C. Fuller 1958-5-1 3720 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  JEPS110999  Linanthus pygmaeus subsp. continentalis Jake Ruygt 1996-4-12 3603 Napa Blue Ridge, north of Monticello Dam. 621 Comment
  UCR47051  Linum bienne J. Nevin 1987-5-22 22 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  CDA10843  Lithophragma affine G. F. Hrusa, G. L. Stebbins 1994-4-18 11780 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 457 Comment
  UCD102707  Lithophragma affine L. P. Thibault 1995-5-21 47 Napa Napa County, South side of Hwy 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  RSA734141  Lithophragma affine Keith E. Hoffmaster 1946-3-23 1238 Napa Napa Range Comment
  RSA789041  Lithophragma heterophyllum Carrie A. Herd 1982-5-9 97 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  CAS-BOT-BC60179  Lobularia maritima Peter H. Raven 1951-5-6 2831 Napa Saint Helena. 91 Comment
  JEPS20922  Logfia filaginoides W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  CAS-BOT-BC342438  Logfia gallica John H. Thomas 1955-5-21 5138 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS20927  Logfia gallica W. L. Jepson 1923-4-29 9886 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
  UC527950  Logfia gallica R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6657 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD18000  Logfia gallica Ellen Dean; with Plant Biology 102 class 2001-4-28 731 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD36954  Lolium Beecher Crampton 1956-5-25 3490 Napa Sarco Creek Canyon. Comment
  UCR23398  Lomatium John C. Roos 1939-3-18 302 Napa North Coast Range, Snell Valley, near Angwin 183 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
  UCD54306  Lomatium dasycarpum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 5 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11'' N; 122 deg. 21' 13'' W; 530 m. Comment
  HSC43961  Lomatium dasycarpum subsp. dasycarpum Robert M. Specht 1977-4-19 683 Napa Along drainage running NE from Adams Creek. Comment
  JEPS105675  Lomatium dasycarpum subsp. dasycarpum L. P. Janeway, B. Castro 2002-5-12 7549 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek 488 Comment
  UCD148109  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-4-6 485 Napa Napa County; on Snell Valley Rd. 0.3 mi. east of Butts Canyon Rd. 207 Comment
  UCD47852  Lomatium dasycarpum subsp. dasycarpum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 7 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 518 Comment
  UC1563884  Lomatium hooveri Barbara Ertter with Annetta Carter 1989-5-28 8507 Napa Near Knoxville (2 mi. s.e. of Lake Co. line on Berryessa Rd., hills s. of rd.); extreme n. Napa Co. 609 Comment
  UC723796  Lomatium hooveri Joseph Andorfer Ewan 1937-5-23 10361 Napa Knoxville Ridge above Knoxville; Knoxville Ridge Comment
  UCD170348  Lomatium hooveri Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 847 Napa Knoxville Wildlife Area, south of Nevada Creek. 477 Comment
  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
  SD58378  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills 274 Comment
  RSA3281A  Lomatium marginatum var. purpureum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  HSC81596  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5159 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  POM264418  Lomatium marginatum var. purpureum J. C. Roos 1939-3-18 302 Napa Snell Valley Comment
  UC1278732  Lomatium marginatum var. purpureum G. L. Stebbins Jr. 1948-5-9 3937 Napa 8 mi. s. Monicello (on rd. to Napa, w. side of Steel Canyon); Steel Canyon Comment
  OBI8852  Lomatium nudicaule Willis L. Jepson 1893-6-14 14316 Napa Near Napa City; Road to Napa Soda Springs near Geualon Miller's Comment
  JEPS104551  Lomatium repostum Jake Ruygt 1979-5-20 618 Napa Mt. St. Helena 1005 Comment
  UC1224683  Lomatium repostum G. Ledyard Stebbins 1964-5-24 6157 Napa in hills W of Aetna Springs, about 1/2 mi W of Corona Mine Comment
  LA90109  Lomatium repostum Freed W. Hoffman; 1947-6-17 1645 Napa . Comment
  JEPS104475  Lomatium utriculatum Jake Ruygt 1979-4-23 545 Napa 3.4 miles east of Silverado Trail on HWY 128 103 Comment
  UC658975  Lomatium utriculatum Mildred E. Mathias 1937-5-23 1283 Napa along Hwy. 29 Mt. St. Helena 533 Comment
  UCD19867  Lomatium utriculatum C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1198 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  RSA52663  Lomatium vaginatum I. L. Wiggins 1949-4-30 12081 Napa 2.5 miles above Calistoga along old toll road to Middletown Comment
  UCD148801  Lonicera Ellen Dean; Diana Hickson 2014-4-29 8108 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  JEPS106726  Lonicera hispidula var. vacillans Jake Ruygt 1989-6-3 2355 Napa Monticello Rd. wset of Snow Flat; above Sarco Cr. 237 Comment
  JEPS12842  Lonicera hispidula var. vacillans Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Napa Range Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  UCD137340  Lonicera interrupta E. F. Beukman 1964-5-8 33 Napa State Highway 128, 3 miles southwest of Monticello Dam. Comment
  UCD20507  Lonicera interrupta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1080 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  SEINET5501037 Image available Lonicera interrupta Sally Walker 1981-5-18 Napa 3.6 mi S of middletown, Napa Co. Comment
  CAS-BOT-BC200940  Lotus John H. Thomas 1955-5-21 5111 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS107212  Lotus humistratus Jake Ruygt 1977-4-17 192 Napa .4 mile west of HWY 29 on Oat Hill Mine Road 195 Comment
  UCR43198  Lotus humistratus L. F. LaPre 1986-5-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary to Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. line 366 Comment
  RSA293011  Lotus micranthus Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 755 Napa Mt. Saint Helena. Comment
  UC1051753  Lotus scoparius Helen K. Sharsmith 1953-6-15 4186 Napa just w junction of Cappell Valley and Monticello roads (se slope of Cappell Valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  UC1197283  Lotus scoparius Joseph P. Tracy 1904-5-23 2100 Napa near Calistoga; Northern Coast Ranges 243 Comment
  JEPS107204  Lotus scoparius var. scoparius Jake Ruygt 1995-6-13 3496 Napa Oakville Grade about 100 yards east of Mt. Veeder Road. 176 Comment
  JEPS107203  Lotus strigosus Jake Ruygt 1991-4-20 2635 Napa Mead Ranch, Atlas Peak Rd. 548 Comment
  UCD78328  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-10-4 05- 35 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 98 Comment
  HSC43951  Lupinus albifrons Robert M. Specht 1977-4-13 1600 Napa South-facing slope 488 Comment
  UC1129311  Lupinus albifrons A. E. Wieslander 1934-2-25 868 Napa 3 mi n Calistoga (Calistoga--Middletown); Calistoga quad. Comment
  CAS-BOT-BC201557  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-15 1751 Napa Wooden Valley Grade, above Napa 457 Comment
  JEPS107233  Lupinus bicolor Jake Ruygt 1983-4-13 1695 Napa Pope Canyon Rd. just east of vernal marsh 188 Comment
  JEPS107234  Lupinus bicolor Jake Ruygt 1995-5-1 3460 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  JEPS65351  Lupinus bicolor W. L. Jepson 1924-4-6 10317 Napa Howell Mt. Comment
  UCD117809  Lupinus bicolor Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 Comment
  UCD81439  Lupinus bicolor M. Wiesendanger 1927-5-4 s.n. Napa Monticello. Comment
  UC126964  Lupinus bicolor Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin, Napa City Comment
  UCD16030  Lupinus bicolor N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 18 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, 2-3 dm tall, flowers dark purple/blue. Comment
  RSA15124  Lupinus densiflorus var. densiflorus J. T. Howell 1935-5-12 12625 Napa Along Pope Creek near its confluence with Putah Creek. Comment
  UC865161  Lupinus formosus Lewis S. Rose 1935-9-12 35651 Napa 2 mi nw Napa; nw of Napa 60 Comment
  JEPS65234  Lupinus formosus var. robustus W. L. Jepson 1894-5-7 48 t Napa Howell Mt.; Howell Mt. (lower slopes at Crystal Sprs.) Comment
  UC1543152  Lupinus latifolius Charlotte G. Nast 1936-3-27 82 Napa Childs Canyon Comment
  UCD108110  Lupinus latifolius K. Esau; E. Hyde 1940-5-25 s.n. Napa Exact location unknown. Comment
  JEPS65276  Lupinus latifolius var. latifolius Willis L. Jepson 1892-6-20 52 t Napa Vaca Mts. Comment
  JEPS107217  Lupinus microcarpus var. densiflorus Jake Ruygt 1989-5-24 2348 Napa Fagan Creek at South Kelly Rd. 21 Comment
  JEPS107220  Lupinus microcarpus var. densiflorus Jake Ruygt 1979-5-16 604 Napa 8.4 miles east of Monticello Rd. on HWY 128 152 Comment
  SFV1878  Lupinus microcarpus var. densiflorus L. B. Hendrix 1962-5-5 39 Napa North Coast Ranges Vaca Mountains. Southeast side of Lake Berryessa, just west of Monticello Dam on road along lake. 140 Comment
  UC1601852  Lupinus microcarpus var. densiflorus Willis L. Jepson 1894-5-1 Napa Conn Valley; Napa River Basin, Conn Valley Comment
  OBI48334  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  OBI48335  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  JEPS107216  Lupinus microcarpus var. microcarpus Jake Ruygt 1988-5-29 2195 Napa Cedar Valley 588 Comment
  UCD16026  Lupinus microcarpus var. microcarpus N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 14 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, 3-6 dm tall, flowers light purple, white, or yellow. Comment
  JEPS107248  Lupinus nanus Jake Ruygt 1981-4-1 965 a Napa Stags Leap 213 Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  JEPS81601  Lupinus nanus R. Raiche 1982-3-7 20191 Napa on Chiles and Pope Valley Road 1.3 mi n Sage Canyon Road; n of Sage Canyon Rd on Chiles and Pope Valley Rd Comment
  UCD168546  Lupinus nanus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UC1300899  Lupinus nanus Helen K. Sharsmith 1963-3-17 5232 Napa along Silverado Trail; San Francisco Bay Region, along Silverado Trail 76 Comment
  UCD35293  Lupinus nanus Beecher Crampton 1955-4-7 2431 Napa 7.8 miles north of Monticello. Comment
  UCD18042  Lupinus succulentus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 593 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
  UCD47982  Lupinus succulentus A. Miles; E. Anderson, L. Lina, J. Waggoner, R. Wenk 2000-4-22 18 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  UCD95924  Luzula comosa Ellen Dean; with Clare Loughran 2011-5-20 7057 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
  UCD167086  Luzula comosa var. comosa Jake Ruygt 2010-4-9 5495 Napa Moore Creek Canyon about 0.1 miles north of parking area. 243 Comment
  JEPS67170  Luzula macrantha W. L. Jepson 1894-5-1 2 a Napa Upper Conn Valley Comment
  UCD167018  Luzula subsessilis Jake Ruygt 1987-4-5 1940 Napa Mt. Veeder, west of The Cove. 749 Comment
  CAS-BOT-BC231455  Lycium barbarum Peter H. Raven 1951-8-22 3885 Napa Napa 45 Comment
  UCD103046  Lythrum hyssopifolia Mr. Parrish 1941-6-25 s.n. Napa Napa County. Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC343834  Madia elegans Alice Eastwood 1918-9-3 7957 Napa Mt. St. Helena Comment
  JEPS129025  Madia elegans subsp. densifolia Jake Ruygt 2016-7-23 6292 Napa Smittle Creek, west side of Lake Berryessa. Chiles VAlley 7.5' Quad. Comment
  POM225540  Madia elegans subsp. elegans Kate Eastwood Phelps 1932-09 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC344446  Madia exigua David D. Keck 1933-5-29 2357 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC344450  Madia exigua John H. Thomas 1955-5-21 5135 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CDA31290  Madia exigua D. G. Kelch 2010-5-6 10 .181 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  HSC81602  Madia exigua Thomas W. Nelson, Jane P. Nelson 1980-5-3 5146 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS38334  Madia exigua W. L. Jepson 1936-5-29 17549 Napa Adam-and-Eve Ridge Howell Mt. 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
  UC173111  Madia exigua Katharine Brandegee Napa road from Toll House to Calistoga Comment
  UC584054  Madia exigua J. Clausen 1935-5-22 1070 Napa ca 1 mi e Chiles Valley Store Comment
  JEPS106548  Madia gracilis Jake Ruygt 1986-6-9 1809 Napa 4.5 miles north of Westgate Dr.on Atlas Peak Rd. 451 Comment
  JEPS129043  Madia gracilis Jake Ruygt 2016-6-5 6272 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  JEPS40218  Madia gracilis W. L. Jepson 1893-5-8 Napa New Eden Howell Mt. Comment
  UCD161277  Madia gracilis Jake Ruygt 1990-6-2 2569 Napa Sulphur Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  UCD170686  Madia gracilis 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  CAS-BOT-BC343205  Madia gracilis H. M. Hall 1931-5-26 13088 Napa Napa Range, west side Comment
  POM315932  Madia gracilis Patricia Wilder 1965-6-9 3601 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  RSA52718  Madia gracilis subsp. gracilis I. L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  CAS-BOT-BC345044  Madia sativa Peter H. Raven 1950-6-20 2348 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  CAS-BOT-BC345056  Madia sativa John Thomas Howell 1932-9-17 10759 Napa 3 miles west of Napa Comment
  CAS-BOT-BC539355  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Hwy 29 near Paoli Loop Road, American Canyon 19 Comment
  UC830822  Madia sativa A. A. Heller 1902-5-24 5603 Napa near Napa Comment
  UCD161758  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Highway 29 near Paoli Loop Road, American Canyon. 19 Comment
  UCD139045  Maianthemum dilatatum Joan A. Wegner 1973-6-1 93 Napa Bird Hill near St. Helena. Comment
  CAS-BOT-BC347518  Malacothrix floccifera Alice Eastwood; John Thomas Howell 1939-6-11 7423 Napa Hood Mt. Range sw. of Oakville Comment
  HSC81867  Malacothrix floccifera Thomas W. Nelson, Jane P. Nelson 1980-5-3 5141 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC1278039  Malacothrix floccifera B. Crampton 1954-5-20 1925 Napa ca 8 mi sw Monticello (along State Hwy 128) Comment
  UCD170432  Malacothrix floccifera Daniel Potter; Daniel McNair 2016-4-23 924 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  JEPS36780  Malacothrix floccifera W. L. Jepson 1896-6-2 Napa Napa Valley. Comment
  JEPS122721  Malva parviflora Jake Ruygt 1978-6-25 368 Napa 1.5 mile west of Old Sonoma Road on Highway 12. Quad: Napa Comment
  UC28925  Marah fabacea Willis L. Jepson 1893-4-27 Napa Napa City Napa River Basin Comment
  JEPS42483  Marah oregana Willis L. Jepson 1897-5-2 14129 Napa St. Helena Napa River Basin Comment
  UCD170349  Marah watsonii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 848 Napa Knoxville Wildlife Area, along Nevada Creek. 459 Comment
  JEPS129146  Marrubium vulgare Jake Ruygt 1978-5-4 287 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. Comment
  UCD136577  Marsilea vestita subsp. vestita Kurt Santarius 1967-9-10 s.n. Napa Lake Hennessey. Comment
  JEPS129142  Medicago lupulina Jake Ruygt 1990-7-14 2601 Napa Yountville Ecological Reserve, Napa River at Yountville Cross Road. Yountville 7.5' Quad. Comment
  UCD20830  Medicago polymorpha N. Nicola 2001-3-30 046 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  CAS-BOT-BC271154  Melica Peter H. Raven 1964-5-9 19045 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC269412  Melica californica Peter H. Raven 1951-5-20 2847 Napa Hills w. Oakville 365 Comment
  JEPS76280  Melica californica W. L. Jepson 1943-5-15 20774 Napa Knoxville Ridge Comment
  UCD170674  Melica californica Matthew Conner; Plant Science 102 class 2018-4-28 10 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
  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
  CAS-BOT-BC282163  Melica geyeri John Thomas Howell 1940-5-19 15448 Napa Upper St Helena Creek 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
  JEPS122950  Melica geyeri Jake Ruygt 1983-4-1 1400 Napa Redwood Road north of Mt. La Salle. Quad: Sonoma. Comment
  OBI21986  Melica geyeri Peter H. Raven 1957-5-5 10757 Napa Hills at the W edge of Calistoga Comment
  POM263002  Melica geyeri J. C. Roos 1939-5-12 317 Napa Angwin, Howell Mtn., Napa Range. Comment
  SEINET197652 Image available Melica geyeri W. S. Boyle 1942-4-25 1062 Napa Along the Silvarado Trail Road 7 miles south of Calistoga Comment
  UCD87300  Melica geyeri Collector Unknown 1928-4-15 s.n. Napa Blake College -- east of Pacific Union College. Comment
  JEPS122947  Melica harfordii Jake Ruygt 1987-5-16 2001 Napa Devil's Canyon, below the falls. Quad: Sonoma. Comment
  UCD87549  Melica harfordii R. Tofsrud 1941-6-1 283 Napa Road from Napa to Lacoya. Comment
  CHSC83356  Melica torreyana L. P. Janeway; B. Castro 2002-5-12 7541 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 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
  CHSC83412  Melilotus indicus L. P. Janeway; B. Castro 2002-5-12 7534 Napa Inner North Coast Ranges. Flats along the small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD108089  Melilotus indicus Helen K. Sharsmith 1953-6-15 4193 Napa Adjacent to Soda Creek, on road to Rutherford 2 miles west of junction with Monticello road. 213 Comment
  UCD73499  Melissa officinalis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS115749  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters 134 Comment
  JEPS112579  Mentha arvensis Jake Ruygt 1989-6-25 2387 Napa Napa River north of Trancas Street, Napa 3 Comment
  CDA29750  Mentha pulegium M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 213 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS63441  Mentha spicata Willis L. Jepson August, 1892 14927 Napa Napa Valley Comment
  JEPS112571  Mentzelia laevicaulis var. laevicaulis Jake Ruygt 1997-7-5 3870 Napa White Cliff Springs east of Soda Valley Comment
  UCD19940  Micranthes californica E. A. Dean; Virginia Boucher 2002-2-28 898 Napa Quail Ridge Reserve. Along West Rd., 1.1 airline miles north of junction of West Rd. and Decker Canyon Trail. 274 Comment
  RSA10690  Micropus californicus C. B. Wolf 1928-5-3 1797 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC348542  Micropus californicus var. californicus John H. Thomas 1955-5-21 5166 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS30876  Micropus californicus var. californicus John H. Thomas 1955-5-21 5166 Napa about 12 miles e St. Helena; State Highway 128, Capell Creek 243 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
  JEPS36215  Microseris douglasii subsp. douglasii W. L. Jepson 1924-5-8 10418 Napa Chiles Valley Comment
  POM41557  Microseris douglasii subsp. douglasii Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC348967  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  POM203302  Microseris douglasii subsp. douglasii J. T. Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  POM182669  Microseris elegans D. D. Keck 1931-4-4 1093 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS86873  Mimulus angustatus David M. Thompson 1988-4-3 865 Napa +/- 2 air mi se Angwin (1.1 road mi e of Howell Mt. Road via Cold Springs and Las Posadas roads, then over fence and along road to large area of boulders in meadow); Los Posadas State Forest 490 Comment
  UC1245370  Mimulus angustatus Joseph P. Tracy 1950-5-23 18660 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  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
  UCD122156  Mimulus angustatus Kim E. Steiner 1978-4-29 204 Napa Rancho La Jota, 0.4 mi S of Las Posadas State Forest fire station entrance. 563 Comment
  UC147916  Mimulus arvensis J. P. Tracy 1899-6-11 362 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  RSA602371  Mimulus aurantiacus Louis C. Wheeler 1952-8-30 6879 Napa Manganese Ridge: Moore Creek, Howell Mountain 366 Comment
  UCD13200  Mimulus aurantiacus Charles Martin 1986-4-20 1 Napa 3 mi W of Monticello Dam along hwy 128. 304 Comment
  UCD159948  Mimulus aurantiacus 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
  JEPS41081  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9097 Napa about 3 air mi s Knoxville (along jeep trail, sw of waterfall of Zim Zim Creek, leading to headwaters of Nevada Creek) 396 Comment
  UCD122282  Mimulus aurantiacus var. aurantiacus David Lawfer 1952-4-20 147 Napa Napa. Comment
  RSA755362  Mimulus cardinalis L. 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 air miles west of Winters. 133 Comment
  UCD84984  Mimulus congdonii Dena Grossenbacher 2009-3-3 948 Napa East side of Bell Creek about 75 meters up slope from creek. Wildlake Preserve, Napa County Land Trust property. 461 Comment
  SBBG28944  Mimulus douglasii J. T. Howell 1940-5-19 Napa upper Saint Helena Crk 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
  SEINET10813590 Image available Mimulus guttatus Charles F. Baker 1903-4-19 Baker 1980 Napa Calistoga. Colonies occasional in muddy meadows near sulphur springs. Comment
  SFV8685  Mimulus guttatus J. W. Riekels 1961-4-29 35 Napa Wragg Canyon. 0.25 miles north of State Highway 128. Near stream bed. 152 Comment
  JEPS110588  Mimulus kelloggii Jake Ruygt 1998-4-27 3941 Napa NE corner of the county, on Blue Ridge. 807 Comment
  CAS-BOT-BC153780  Mimulus kelloggii Belle Richardson Jackson 1923-5-10 s.n. Napa unspecified Comment
  CDA41703  Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  RSA293050  Mimulus layneae Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 765 Napa Mt St Helena. Comment
  UC963877  Mimulus layneae Milo S. Baker 1947-7-7 11849 Napa s Mt. St. Helena Inn (at end of wood rd.) 914 Comment
  JEPS11442  Mimulus microphyllus Willis L. Jepson 1893-5-8 10 m Napa La Jota Plateau Napa River Basin, Howell Mountain 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
  UCD122649  Mimulus microphyllus Richard W. Cleveland 1951-4-8 16 Napa on road from Monticello to Napa, 8 miles east of Napa. Comment
  UC131116  Mimulus nasutus Katharine Brandegee 1909-6-1 Napa Pope Valley grade from Calistoga Comment
  RSA309394  Mimulus nudatus Robert F. Hoover 1941-4-26 4928 Napa Summit between Pope Valley and Butts Creek Comment
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  JEPS28967  Mimulus pulsiferae Joseph P. Tracy 1950-5-23 18661 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  CDA41814  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa 15 meters east of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  CAS-BOT-BC467199  Minuartia californica John H. Thomas 1955-5-21 5124 Napa Sarco Creek drainage, near State Hwy 37, about 6 miles from Napa 274 Comment
  UCD159789  Minuartia californica James A. Neilson Jr. 1975-4-13 3151 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  RSA195382  Minuartia californica Gilbert Muth 1967-4-16 640 Napa Snell Valley. Comment
  UC903159  Minuartia californica Ethel Crum 1937-4-19 1785 Napa 17 mi ne Napa; Napa Range, Steel Canyon Comment
  CAS-BOT-BC388755  Minuartia douglasii Alice Eastwood 1915-6-6 4677 Napa Mt. St. Helena Comment
  SEINET7075537  Minuartia douglasii A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCD169787  Minuartia douglasii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 795 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCD41323  Minuartia douglasii Ellen Dean; T. and M. Starbuck 2004-4-3 2002 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  CAS-BOT-BC388761  Minuartia douglasii R. C. Barneby 1954-4-30 11231 Napa Conn Valley, near the slipway 91 Comment
  CDA34679  Mollugo verticillata L. 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. Comment
  UC2035819  Monardella villosa subsp. villosa John Thomas Howell 1930-7-13 5349 Napa Edge of Crater Country Comment
  UC1602273  Monardella viridis Jepson 1893-5-4 32 f Napa Mt. St. Helena Comment
  UCD73421  Monardella viridis Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  JEPS110826  Monardella viridis subsp. viridis Jake Ruygt 1979-7-21 755 Napa 1 mile SW of College Ave. on Howell Mtn Road 463 Comment
  JEPS110827  Monardella viridis subsp. viridis Jake Ruygt 1988-7-12 3513 Napa Taylor property, south of Lake Hennessey boatramp on private r 445 Comment
  SEINET10961499  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 373 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  UCD63152  Monolopia major Jake Ruygt 1998-4-22 3931 Napa Blue Monday Mine, Cement Creek Road. 499 Comment
  UC7845  Montia fontana Willis L. Jepson 1893-4-26 Napa Napa River Basin, Rutherford Rutherford; Napa River Basin, Rutherford Comment
  CAS-BOT-BC444850  Montia fontana G. DeNevers 1982-3-21 1940 B Napa Napa Range Mt. Along Atlas Peak Road Comment
  UCD37368  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS126049  Najas flexilis Jake Ruygt 2007-7-22 5250 Napa Lake Hennessey at inflow of Conn Creek. Saint Helena 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-BC259966  Nassella lepida Milo S. Baker 1945-5-11 10895 Napa Boundary ridge between Napa and Sonoma Counties near Summit of Spring Mountain Road Comment
  POM182795  Nassella lepida D. D. Keck 1931-4-2 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 mi NE of Napa 170 Comment
  UCD81833  Nassella lepida Ellen Dean 2009-4-24 5463 Napa Property at 600 Petrified Forest Road. 170 Comment
  CAS-BOT-BC260182  Nassella pulchra David D. Keck 1931-4-2 1033 Napa Wooden Valley Road, E side of Napa Range, 8 miles from Napa Comment
  UCD149717  Nassella pulchra 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
  CAS-BOT-BC230261  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa Just S of Pope Creek Bridge, S of Walters Springs Comment
  JEPS112536  Navarretia heterodoxa Jake Ruygt 1991-6-10 2717 Napa above Cooksley Lake toward Summit Lake Dr., Angwin 725 Comment
  JEPS112537  Navarretia heterodoxa Jake Ruygt 1979-7-3 736 Napa 7.6 miles north of Monticello Rd. on Atlas Peak Rd. 426 Comment
  UCD167177  Navarretia heterodoxa Jake Ruygt 1982-6-19 1329 Napa Soda Canyon west of grade. 396 Comment
  UCD160681  Navarretia intertexta Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8753 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
  JEPS70326  Navarretia intertexta Willis L. Jepson 1894-7-19 15007 Napa above Calistoga; Napa River Basin, Upper Napa Valley 228 Comment
  JEPS120320  Navarretia intertexta subsp. intertexta Jake Ruygt 2006-6-11 5049 Napa Southwest part of Walnut Flat, near Wildlake. Saint Helena 7.5' Quad. Comment
  JEPS112532  Navarretia intertexta subsp. intertexta Jake Ruygt 1994-6-14 3403 Napa near Butts Canyon, E of intersection with Ink Grade 231 Comment
  JEPS112521  Navarretia jepsonii Jake Ruygt 2002-5-8 4417 Napa Missimer/Snell Valley Wildflower Preserve 179 Comment
  RSA83074  Navarretia jepsonii Verne Grant, Alva Grant 1946-5-26 7638 Napa By Guinot Lake, Pope Valley Comment
Read comments
Jun 4 2014
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 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
  JEPS95201  Navarretia leucocephala subsp. bakeri Jake Ruygt 1996-5-19 3709 Napa between Barnett Rd and Pope Valley Rd 201 Comment
  UCD106388  Navarretia linearifolia subsp. pinnatisecta K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  HSC2254  Navarretia mellita Katherine Brandegee 1910-7-26 Napa Pope Valley Comment
  UC23709  Navarretia mellita Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  CAS-BOT-BC232673  Navarretia pubescens John H. Thomas 1955-5-21 180 J Napa Near State Highway No 128 and Cappell Creek, about 12 miles E of St Helena 274 Comment
  UC527938  Navarretia pubescens R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6669 Napa 6 mi ne Pacific Union College (on road to Aetna Springs); Howell Mt. Comment
  RSA73123  Navarretia pubescens M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  SEINET14160487  Navarretia pubescens B. Crampton 1953-5-19 1309 Napa 4 miles south of Monticello, along Highway 128. Comment
  JEPS101625  Navarretia subuligera Dean W. Taylor 1998-6-3 16458 B Napa basin in headwaters Cedar Canyon, between Twin Peaks and Sugarloaf Mountain, at end of road up (west from) Aetna Springs 548 Comment
  JEPS70480  Navarretia tagetina Willis L. Jepson 1893-6-26 15027 Napa Howell Mt. Napa River Basin Comment
  UC143006  Navarretia tagetina Katharine Brandegee 1910-5 Napa above Calistoga; Toll House Grade Comment
  JEPS70499  Navarretia viscidula W. L. Jepson 1938-9-22 19015 Napa near Sanitarium (in Lyons Valley, in lower slopes of Howell Mt.); Howell Mt., Lyons Valley Comment
  UC1199528  Nemacladus capillaris Francia Chisaki 1957-5-30 971 Napa between Chiles and Monticello (by Soda Creek); Soda Creek Comment
  RSA152473  Nemacladus montanus R. C. Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa Above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir). Comment
  UCD13125  Nemophila heterophylla Kathleen Worden 1981-4-28 2 Napa Napa CO. On highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  UC473498  Nemophila heterophylla Belle Richardson Jackson 1930-6-8 Napa near Toll House n side Mt. St. Helena; n side Mt. St. Helena, near Toll House Comment
  UC726897  Nemophila heterophylla A. A. Heller 1929-3-16 14818 Napa grade near foot Mt. St. Helena Comment
  UC24248  Nemophila menziesii Willis L. Jepson 1893-4-26 Napa Yountville , Yountville (Napa River Basin) Comment
  CDA11624  Nemophila menziesii var. atomaria G. F. Hrusa, S. Larson 1995-4-1 12063 Napa North Coast Biodiversity Arena; Along Chiles Valley/Pope Valley Rd. approx 2 m. S of Pope Canyon Rd. intersection. Comment
  UCD159790  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-4-13 3135 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  RSA633299  Nemophila menziesii var. menziesii Michael A. Vincent, Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80 Comment
  UCD166672  Nepeta cataria Jake Ruygt 1992-8-3 3114 Napa Green Valley Ranch, end of Green Valley Road. 295 Comment
  JEPS122702  Nerium oleander Jake Ruygt 2002-10-8 4463 Napa Berryessa-Knoxville Road at the outflow of Smittle Creek in the lake. Quad: Chiles Valley. Comment
  UC1196160  Nicotiana acuminata var. multiflora Joseph P. Tracy 1899-7-10 404 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC419706  Nicotiana acuminata var. multiflora Mrs. H. P. Bracelin 1930-1 113 Napa near entrance Conn Creek (Sage Canyon); Sage Canyon Comment
  CHSC102298  Nicotiana quadrivalvis Lowell Ahart 2009-10-12 16454 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
  JEPS115850  Nicotiana quadrivalvis Lowell Ahart 2009-10-12 16454 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 437 Comment
  UC419774  Nicotiana quadrivalvis Mrs. H. P. Bracelin 1930-10-19 112 Napa near Conn Creek entrance (Sage Canyon); Sage Canyon 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
  UCD67960  Nuttallanthus texanus Arlene Johnston 1974-5-11 90 Napa Napa. Bodega Bay. Stabilized dunes. Coastal Strand Plant Association, dominated by Lupinus arboreus. Sandy soil, on steep slope, dry area in full sun. Annual herb, 5-12 cm high. Rare. 30 Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  RSA0059237  Orobanche uniflora subsp. occidentalis John C. Roos 1939-5-6 293 Napa Napa range above Calistoga. Comment
  CAS-BOT-BC243698  Orobanche valida subsp. howellii Alice A. Ackley 1964-8-1 s.n. Napa Mt. St. Helena Comment
  UCD32414  Orthocarpus Beecher Crampton 1950-5-7 569 Napa about 3-4 miles southeast of Yountsville, east side of Napa Valley, along Silverado Trail. Comment
  RSA195370  Orthocarpus purpurascens Gilbert Muth 1967-4-16 634 Napa Snell Valley. 183 Comment
  JEPS15890  Osmorhiza berteroi John Benson 1887-1-1 Napa Comment
  UC901879  Osmorhiza berteroi Joseph Andorfer Ewan 1937-5-23 10327 Napa Mt. St. Helena; w slope, along auto road Comment
  JEPS23644  Packera clevelandii W. L. Jepson 1916-8-6 6838 Napa Howell Mt. Comment
  CAS-BOT-BC316878  Packera eurycephala var. eurycephala Peter Raven 1950-6-20 2397 Napa Dry vernal flats between Pope Valley P. O. & Aetna Springs Comment
  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
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  CAS-BOT-BC253677  Panicum capillare R. F. Hoover 1966-8-23 9933 Napa Butts Canyon near Lake County line Comment
  OBI22057  Panicum capillare Robert F. Hoover 1966-8-23 9933 Napa Butts Cyn near Lake Co line Comment
  UCD33885  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa Napa County, south of Yountville. Comment
  UCD164816  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  UC1198828  Parvisedum pumilum Joseph P. Tracy 1933-4-30 12116 Napa Howell Mountain near Toland House Howell Mountain 457 Comment
  UC972131  Parvisedum pumilum Helen K. Sharsmith 1952-6-7 4122 Napa road to Atlas Peak, Inner North Coast Ranges Atlas Peak; Inner North Coast Ranges 609 Comment
  UCD38860  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  UC1239630  Pectocarya pusilla Joseph P. Tracy 1933-4-30 1212 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UCD149364  Pedicularis densiflora Collector Unknown 1940-4-7 s.n. Napa City of St. Helena. 80 Comment
  UCD17996  Pedicularis densiflora Ellen Dean; Kate Mawdsley 2001-4-9 682 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 243 Comment
  UCSB19025  Pedicularis densiflora Rankine, Jane 1965-4-13 Napa 3 miles W of Pope Valley on road between Pope Valley and Anqwin Comment
  CAS-BOT-BC488326  Pedicularis densiflora Alice Eastwood 1922-3-25 11097 Napa Calistoga Comment
  UCD123316  Pedicularis densiflora Chas. Heiser 1947-3-29 1889 Napa about 7 miles east of Napa. Comment
  JEPS103983  Pellaea mucronata Jake Ruygt 1979-2-22 432 Napa west face of Mt. George 121 Comment
  POM204007  Penstemon heterophyllus subsp. heterophyllus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UC146236  Penstemon heterophyllus var. purdyi J. P. Tracy 1902-5-16 1486 Napa 3-4 mi e Angwin's (head of Moore's Creek); , Howell Mountain 457 Comment
  UC397392  Penstemon heterophyllus var. purdyi Katharine Brandegee 1910-7-27 Napa Angwin's Comment
  CAS-BOT-BC245715  Penstemon newberryi var. sonomensis Belle R. Jackson 1930-6-20 s.n. Napa At the monument, summit of Mt. St. Helena Comment
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Jan 13 2018
  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
  RSA420432  Penstemon newberryi var. sonomensis Joseph A. Ewan 1937-5-23 10334 Napa Summit trail of Mount St. Helena Comment
  UC35614  Pentachaeta exilis Willis L. Jepson 1893-5-8 Napa Howell Mt. Napa River Basin Comment
  CAS-BOT-BC71676  Pentagramma triangularis subsp. triangularis Peter H. Raven 1953-2-21 5193 Napa Wooden Valley Grade 274 Comment
  SEINET3873442  Pentagramma triangularis subsp. triangularis Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 138 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  CAS-BOT-BC71675  Pentagramma triangularis subsp. triangularis Jean Fottrell 1906-7-1 s.n. Napa unspecified Comment
  UC106526  Perideridia kelloggii Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC619421  Perideridia kelloggii Wilhelm N. Suksdorf 1913-7-28 702 Napa near Napa (northward) Comment
  JEPS120312  Persicaria hydropiperoides Jake Ruygt 1992-8-6 3122 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  UCD98389  Petrorhagia dubia R. L. Smith 1948-5-8 s.n. Napa 6 mlies north of Aetna Springs, Pope Valley. Comment
  POM65431  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena. Comment
  UCD120303  Phacelia californica John Thomas Howell 1929-6-9 4309 Napa 4 miles from Calistoga on road to Petrified Forest. Comment
  JEPS110858  Phacelia distans Jake Ruygt 1980-4-30 861 Napa Suscol Creek 121 Comment
  UC1301152  Phacelia distans Helen K. Sharsmith 1963-4-20 5337 Napa s slopes of mt. San Francisco Bay Region, Mt. Atlas 609 Comment
  UC914301  Phacelia distans Verne Grant and Alva Grant 1947-4-19 7939 a Napa on Monticello rd 8 mi from Vichy Springs (e slope of mts.); Mayacama Mts. Comment
  JEPS78804  Phacelia distans John W. Willoughby 1977-4-20 2142 Napa latitude approximately that of Mt. Vaca west side of Vaca Mountains 457 Comment
  CDA40411  Phacelia imbricata J. T. Howell 1931-4-3 6126 Napa Pope Creek Canyon, 8 miles from Monticello. 0 Comment
  UC24385  Phacelia imbricata Edw. L. Greene July 1891 Napa near St. Helena; ; near St. Helena Comment
  UCD169610  Phacelia imbricata subsp. imbricata 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
  RSA133981  Phacelia imbricata subsp. imbricata Lincoln Constance, L. R. Heckard 1951-4-15 3371 Napa Silverado Trail, one mile east of St. Helena. Comment
  CAS-BOT-BC134012  Phacelia imbricata var. imbricata John H. Thomas 1955-5-21 5153 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 167 Comment
  CAS-BOT-BC154360  Phacelia suaveolens Freed W. Hoffman 1947-8-4 1422 Napa Mt. St. Helena 609 Comment
  RSA518801  Phacelia suaveolens subsp. suaveolens L. R. Heckard 1972-6-26 2995 Napa Mt. St. Helena, SE of lookout; near radar station. 1220 Comment
  POM126107  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  UC187259  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS122961  Phalaris aquatica Jake Ruygt 1982-6-29 1343 Napa 0.6 mile south of Yountville on Highway 29. Quad: Yountaville. Comment
  UCD167204  Phlox gracilis Jake Ruygt 1986-3-14 1643 Napa north of Highway 12 near Sonoma county line. 106 Comment
  HSC15919  Phoradendron serotinum subsp. tomentosum Greg Bos 1963-3-30 54 Napa St. Helena Mtn., S slope 305 Comment
  JEPS129051  Phoradendron serotinum subsp. tomentosum Jake Ruygt 2016-7-2 6290 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  UCD19928  Phyla nodiflora E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 784 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD113674  Physocarpus capitatus B. Crampton 1954-5-20 1921 Napa Along Conn creek, Sage Canyon, Hwy. 128, 3 miles east of Rutherford. Comment
  SEINET2056445 Image available Pickeringia montana M. F. Wojciechowski 2000-5-27 895 Napa Cache Creek area north of Lake Barryessa. Comment
  UCD108172  Pickeringia montana D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 Comment
  UC1129867  Pickeringia montana var. montana A. E. Wieslander 1931-5-11 182 Napa n slope of mt. n Calistoga; Calistoga Quadrangle, Mt. St. Helena 731 Comment
Read comments
Aug 15 2010
  UCD169867  Pickeringia montana var. montana Daniel Potter; Peter Lash 2015-4-26 802 Napa Knoxville Wildlife Area. East of upper Zim Zim drainage. 454 Comment
  CAS-BOT-BC73373  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa Along forest road about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  JEPS46796  Pinus attenuata W. L. Jepson 1892-1 Napa Mt. St. Helena Comment
  JEPS47900  Pinus attenuata Willis L. Jepson 1893-5-4 Napa summit of Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  SD27919  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  UCD133139  Pinus attenuata Beecher Crampton 1962-5-16 6431 Napa 0.5 mile W of Aetna Springs. Comment
  JEPS120365  Pinus lambertiana Jake Ruygt 1981-4-25 1001 Napa Oat Hill hear Lake County Line. Detert Reservoir 7.5' Quad. Comment
  UC182  Pinus ponderosa Davy 1894-10-1 Napa spur of Mt. St. Helena Comment
  JEPS46900  Pinus sabiniana W. L. Jepson, W. A. Setchell 1896-1 Napa Howell Mt. Comment
  UC78139  Plagiobothrys bracteatus Alice Eastwood 1900-5-8 Napa Calistoga Comment
  JEPS60941  Plagiobothrys bracteatus Willis L. Jepson 1893-4-25 21167 Napa sw St. Helena; Napa River Basin, Caux's Knob Comment
  UCR141016  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Inner North Coast Ranges, 7.8 miles north of Monticello 159 Comment
  JEPS129161  Plagiobothrys greenei Jake Ruygt 2015-3-28 6062 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  SBBG115362  Plagiobothrys nothofulvus B. Crampton 1962-5-16 6426 Napa 1 mi E of Aetna Springs Comment
  RSA0051321  Plagiobothrys nothofulvus Keith E. Hoffmaster 1946-3-23 1040 Napa Napa range, along Napa-Monticello road. Comment
  UC192203  Plagiobothrys stipitatus C. F. Sonne Apr 1887 Napa Napa Junction Comment
  UC191655  Plagiobothrys strictus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  RSA170256  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa Howell Mountain; on La Jota Plateau in Las Posadas State Forest. Comment
  POM252890  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 0.5 mile NW of Knoxville. 610 Comment
  JEPS106758  Plagiobothrys tener var. tener Jake Ruygt 1990-4-21 2498 Napa Giles Mead Ranch, Atlas Peak Rd. 429 Comment
  RSA41868  Plantago erecta H. C. Cantelow 1939-4-8 2516 Napa Howell Mt. Comment
  UC1301166  Plantago erecta Helen K. Sharsmith 1963-3-17 5209 Napa s side Mt. Atlas; San Francisco Bay Region 609 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
  UCD18083  Plantago erecta Ellen Dean; with PLB 102 class 2000-4-22 639 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD49194  Plantago erecta A. Van Houtte; E. Leger and C. Hohn 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., along SE rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  POM203259  Plantago erecta J. T. Howell 1931-4-2 6052 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  UCD124425  Plantago erecta Robert C. Bechtel 1952-4-6 52 Napa Samuel Springs, 7 miles northwest of Monticello. 91 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
  UCD18368  Plantago lanceolata R. Wenk 2000-5-14 4 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  SFV8386  Platystemon californicus J. F. Addicott 1965-3-19 3 Napa Along Dollarhide Road, about 3.5 miles east of Pope Valley. 183 Comment
  UCD170190  Platystemon californicus Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 767 Napa Knoxville Wildlife Area, east of Zim Zim Falls. 385 Comment
  UC855258  Platystemon californicus Lewis S. Rose 1939-4-16 39066 Napa 6 mi s Napa 30 Comment
  RSA264959  Platystemon californicus var. californicus George E. Johnston 1974-4-4 6115 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  SEINET3160742  Platystemon emarginatus L. S. Rose 1939-4-16 39066 Napa 6 mi. s. of Napa 30 Comment
  JEPS4807  Plectritis brachystemon W. L. Jepson 6259 Napa Conn Valley 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
  UC168963  Plectritis ciliosa subsp. ciliosa Joseph P. Tracy 1902-5-15 1469 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC1018938  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 682 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  UC1301169  Plectritis ciliosa subsp. ciliosa Helen K. Sharsmith 1963-4-20 5353 Napa above Wooden Valley (on Monticello Road, e side Napa Range); San Francisco Bay Region, Napa Range San Francisco Bay Regio 243 Comment
  UCD137533  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Monticello Dam, off State Highway 128. 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
  UCD49297  Plectritis congesta subsp. brachystemon Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 13 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. 10 ft. from creek bed. 182 Comment
  RSA298944  Plectritis congesta subsp. nitida R. Kuhn 1912-5-19 s.n. Napa Oakville. Comment
  UCR27515  Plectritis macrocera John C. Roos 1939-3-27 263 Napa North Coast Ranges, Pope Valley Comment
  UCD90178  Pleuropogon californicus var. californicus Joseph P. Tracy 1938-6-6 15844 Napa Napa Valley. Between Napa City and Yountville. 30 Comment
  UCD90195  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  UCD90210  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-4 2392 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC260958  Pleuropogon californicus var. californicus Peter H. Raven 1957-5-5 10748 Napa Near hot springs, Calistoga 91 Comment
  CAS-BOT-BC244371  Poa annua Peter H. Raven 1953-3-29 5209 Napa 2 miles S of Calistoga 106 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
  UCD36594  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD91552  Poa napensis Beecher Crampton 1965-5-13 7338 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area. Comment
  SACT002005  Poa scabrella John Willoughby 1977-4-27 Napa Along State Highway 128 very near Monticello Dam, north-facing, rocky slope on south side of highway. Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  RSA83437  Pogogyne douglasii J. T. Howell 1929-5-30 4278 Napa 3 miles from Pope Valley Store on road to Pope Creek Canyon, Napa Range Comment
  UCD36595  Pogogyne douglasii Beecher Crampton 1955-5-9 2751 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD41417  Pogogyne douglasii Susan Harrison 2003-6-10 s.n. Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  RSA424574  Pogogyne douglasii E. S. Spalding 1924-7-7 s.n. Napa Near Calistoga. Comment
  UCD125418  Pogogyne douglasii G. H. Vansell 1934-5-16 s.n. Napa Napa Valley. Comment
  UCD160766  Pogogyne serpylloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8636 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD167141  Pogogyne serpylloides Jake Ruygt 2015-5-2 6086 i Napa West of Buck Mountain near Nevada. 598 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
  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
  JEPS43012  Polygala californica Elizabeth Ferguson 1920-5-15 353 Napa Toll Road Mt. St. Helena Comment
  RSA114988  Polygala californica E. K. Balls, Lee W. Lenz 1955-5-17 20764 Napa 7.6 miles south of Lake-Napa county line along State Highway 20, Middletown to Calistoga 442 Comment
  CAS-BOT-BC109156  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  UCD149721  Polygonum bolanderi 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
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  UC1299692  Polygonum hydropiper Freed W. Hoffman 1946-8-20 1264 Napa below Conn Lake Dam; North Coast Ranges Comment
  JEPS50624  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mountain Comment
  UC614935  Polygonum lapathifolium Beryl O. Schreiber 1936-8-16 2324 Napa 0.8 mi s Yountville 152 Comment
  UC1245373  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau Northern Coast Ranges, Howell Mountain (on hills at head of Moore's Creek, 3-4 mi e of Angwin's) 518 Comment
  CHSC103008  Polygonum persicaria Lowell Ahart 2009-10-12 16448 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CDA11155  Polygonum punctatum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11566 Napa North Coast Biodiversity Arena; Sarco Creek, N side of Mt. George, 10 mi. NE of city of Napa. Comment
  JEPS50656  Polygonum punctatum W. L. Jepson 1892-10-22 14803 Napa river bed near St. Helena; Napa River Comment
  JEPS116559  Polypodium calirhiza Jake Ruygt 2002-3-23 4364 Napa Oakville Grade about 1/4 mile east of top of grade. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC72054  Polypodium calirhiza Peter H. Raven 1953-4-2 5293 Napa Tulucay Creek 243 Comment
  CAS-BOT-BC76855  Polypodium calirhiza Peter H. Raven 1954-1-22 6380 Napa Sulphur Springs Resort, west of St. Helena. 121 Comment
  UCD83864  Polypodium glycyrrhiza Ellen Dean; Stephen Rae 2010-3-15 5822 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCD83865  Polypodium glycyrrhiza Ellen Dean; Stephen Rae 2010-3-15 5823 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCD73504  Polypogon interruptus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD149572  Polypogon maritimus 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
  UC1004360  Polystichum W. W. Lipman 1954-9-24 Napa 3 mi n St. Helena (in grounds of Professor Lipman's home) Comment
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  JEPS116551  Polystichum munitum Jake Ruygt 2003-3-29 4483 Napa Mount George, on southwest trail leading to peak. Mount George 7.5' Quad. Comment
  JEPS20256  Populus fremontii subsp. fremontii W. L. Jepson 1942-11-1 20748 Napa Conn Valley; Napa Range, Conn Valley Comment
  UCD170619  Potamogeton 1998-6-29 s.n. Napa Calistoga, Sterling Vineyards, 1111 Dunaweal Ln. 96 Comment
  CAS-BOT-BC508643  Prosartes hookeri Peter H. Raven 1964-5-9 19046 Napa Along dirt road 2 miles west of Aetna Springs Comment
  UCD139794  Prosartes hookeri C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  UC573181  Prunus virginiana var. demissa B. Schreiber 1936-5-3 2205 Napa .3 mi w of Petrified Forest 274 Comment
Read comments
Jun 12 2012
  CAS-BOT-BC356377  Pseudognaphalium beneolens Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS20436  Pseudognaphalium californicum W. L. Jepson 1936-5-31 17565 Napa in the chamisal on Howell Mountain (at hair-pin turn of the road between the Sanitarium and Four Corners); Napa Range, Howell Mountain Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  RSA187448  Pseudotsuga menziesii John H. Thomas 1966-3-22 11534 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 610 Comment
  UC245  Pseudotsuga menziesii var. menziesii Mrs. D. O. Hunt 1899-2-26 Napa Glass Mt. St. Helena, Glass Mt. Comment
  UCD133367  Pseudotsuga menziesii var. menziesii Beecher Crampton 1955-3-15 2328 Napa Calistoga. Comment
  UCD161756  Psilocarphus oregonus Jake Ruygt 1996-5-19 3711 Napa west of Barnett Road near Burton Creek, (Peju Pr) Pope Valley. 201 Comment
  CAS-BOT-BC361893  Psilocarphus tenellus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6664 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  UCD118095  Pteridium aquilinum var. pubescens Megan Mateo; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  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
  JEPS58838  Pyrola aphylla Alice King Jul 1919 Napa Mount St. Helena, Van Ness Ranch Mount St. Helena; , Van Ness Ranch Comment
  CAS-BOT-BC362359  Pyrrocoma racemosa var. racemosa Milo S. Baker 1933-9-9 7535 Napa Near Calistoga Geyser Comment
  UC762610  Pyrrocoma racemosa var. racemosa R. F. Hoover 1941-8-24 5579 Napa near Calistoga; Myrtledale Hot Springs Comment
  LA26108  Quercus X chasei J. M. Tucker; 1954-9-23 2757 Napa beside Hwy 37, 6.5 miles (by road) S of junction with Hwy 28 Comment
  CAS-BOT-BC105495  Quercus X morehus C. R. Quick 1950-4-3 50 -01 Napa About 3.25 miles SW of Napa-Rutherford-Monticello roads junction. On northerly facing slope Comment
  UCR88371  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa Quail Ridge Reserve, near Lake Berryessa. 146 Comment
  JEPS37366  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa near St. Helena; Napa River Basin Comment
  JEPS37369  Quercus agrifolia W. L. Jepson 1907-12-1 2975 Napa Sanitarium Hill road Napa Valley Comment
  UCD45019  Quercus agrifolia D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCR146887  Quercus agrifolia Kathleen Stockwell 2000-5-27 s.n. Napa Coast Range, along Napa Creek which flows to the Napa River, along Kingston Ave. in city of Napa, north of Browns Valley Rd. and Westwood Hills Park 30 Comment
  CDA12252  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Tree at upper end of Lake Hennessey along Hwy. 128. Comment
  RSA608861  Quercus agrifolia var. agrifolia Louis C. Wheeler 1963-9-16 8392 Napa Moore Creek Prospect, E of St. Helena. Comment
  UCD149599  Quercus agrifolia var. agrifolia 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
  UCD83392  Quercus agrifolia var. agrifolia Jake Ruygt 1990-4-8 2467 Napa Napa, Stonecrest Drive. 85 Comment
  JEPS116525  Quercus berberidifolia Jake Ruygt 2002-10-23 4467 b Napa Mount Vaca, south side of peak. Mount Vaca 7.5' Quad. Comment
  JEPS116543  Quercus berberidifolia Jake Ruygt 1990-4-7 2460 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  UCD45210  Quercus berberidifolia G. L. Stebbins Jr. 1948-5-9 3938 Napa South-facing slope, on edge of serpentine formation; Capell Canyon, beside road from Monticello to Rutherford, 9 miles southeast of Monticello, Napa County, California. Comment
  UCD45214  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 37 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. 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
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  CAS-BOT-BC62459  Quercus chrysolepis Peter H. Raven 1953-5-2 5405 Napa Rector Creek 396 Comment
  UCD63353  Quercus chrysolepis Daniel Sanchez-Mata 2006-6-15 s.n. Napa Lower Chiles Valley Road. Chiles Valley. 160 Comment
  JEPS37493  Quercus douglasii Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  UC993143  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
  UC993148  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD121176  Quercus douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7356 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD162119  Quercus douglasii Dylan O. Burge 2014-3-15 1497 Napa Mount Saint Helena. 670 Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45676  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa. Comment
  UCD45742  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 20 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. 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
  SEINET12034333  Quercus douglasii C. G. Pringle 1882-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC86435  Quercus dumosa John Thomas Howell 1933-8-27 11647 Napa E of Chiles Valley on road to Winters, Napa Range Comment
  CAS-BOT-BC86436  Quercus dumosa Peter H. Raven 1951-6-26 3058 Napa Wooden Valley Grade 304 Comment
  UCD14803  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -2 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14808  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -6 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14819  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -8 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14822  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -18 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14847  Quercus durata John M. Tucker 1950-11-12 2014 -26 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14549  Quercus garryana var. garryana John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -19 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; 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
  RSA476819  Quercus kelloggii T. Gertrude Williamson 1924-7-5 s.n. Napa Near St. Helena. Comment
  UCD120920  Quercus kelloggii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7340 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD149039  Quercus kelloggii Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8185 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  UCD37947  Quercus kelloggii Beecher Crampton 1962-5-16 6430 Napa 0.5 mile W of Aetna Springs. Comment
  UCD45331  Quercus kelloggii 1965-6-26 s.n. Napa La Jolla quicksilver mine, north slope of Mt. St. John, 7 miles northwest of Oakville, Napa County, California. Comment
  CAS-BOT-BC62883  Quercus lobata H. E. McMinn 1922-6-8 205 Napa Pope Creek Canyon Comment
  POM262791  Quercus lobata J. C. Roos 1939-3-27 282 Napa Angwin, Howell Mountains. 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
  UCD83400  Quercus lobata Jake Ruygt 1996-5-4 3643 Napa Butts Canyon Rd. at James Creek Rd.; field to SE. 210 Comment
  UCD165467  Quercus lobata John M. Tucker 1976-10-24 4379 Napa California, Napa County: On north side of Highway 128, 0.5 mi. east of Moskowite Corner (junction of Highways 128 and 121). Comment
  CAS-BOT-BC104839  Quercus wislizeni G. F. Ferris 1920-10-1 s.n. Napa Napa 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
  JEPS116538  Quercus wislizeni Jake Ruygt 1979-4-6 483 a Napa 0.3 miles east of Butts Canyon Road on Snell Valley Road. 7.5' Aetna Springs Quad. Comment
  JEPS37710  Quercus wislizeni Willis L. Jepson 1903-9-6 2350 Napa St. Helena Napa River Basin Comment
  UCD147530  Quercus wislizeni var. frutescens Ellen Dean; Diana Hickson 2014-4-29 8084 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD159906  Rafinesquia californica Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section, near Q58. 243 Comment
  UCD17980  Ranunculus aquatilis Ellen Dean; with Plant Biology 102 class 2001-4-14 705 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, in stock pond. 152 Comment
  CAS-BOT-BC379141  Ranunculus aquatilis var. diffusus Peter H. Raven 1951-5-6 2812 Napa Conn Creek 2.5 mi from Rutherford to Dam 49 Comment
  CAS-BOT-BC378485  Ranunculus californicus var. californicus Peter H. Raven 1953-5-2 5386 Napa Hills due E of Yountville 243 Comment
  JEPS110876  Ranunculus hebecarpus Jake Ruygt 1992-4-7 2894 Napa Tuteur Ranch, SW corner, Kreuze Canyon 384 Comment
  JEPS110877  Ranunculus hebecarpus Jake Ruygt 1979-4-13 509 Napa 10.1 miles east of Monticello RD. on HWY 128 170 Comment
  UC9460  Ranunculus lobbii Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin, upper Napa Valley Comment
  UCD96259  Ranunculus muricatus M. Wiesendanger 1926-4-1 1489 Napa Napa County. Comment
  UCD168562  Ranunculus occidentalis Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD48146  Ranunculus occidentalis J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 16 Napa Napa County, McLaughlin Reserve, near Yolo County line. 670 Comment
  UC511333  Ranunculus occidentalis Lyman Benson 1931-2-26 2600 Napa Mt. St. Helena Hwy Mayacamas Mt. Range, Napa Valley Watershed (near summit) 548 Comment
  JEPS60703  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1921-5-6 9176 Napa Calistoga 109 Comment
  UC135583  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga Comment
  SBBG28539  Ranunculus orthorhynchus var. orthorhynchus P. H. Raven 1950-4-15 1708 Napa Napa 9 Comment
  JEPS110991  Ranunculus pusillus Jake Ruygt 1992-5-3 2925 Napa Skyline Park, Napa 143 Comment
  JEPS110989  Ranunculus pusillus Jake Ruygt 1990-5-5 2525 Napa Johnsons Meadow, Wild Horse Valley Ranch 420 Comment
  UCD160035  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  CDA42397  Rhagadiolus stellatus R. Robison 2014-4-21 s.n. Napa Bale Gristmill State Historic Park. 0 Comment
  UCD117923  Rhagadiolus stellatus Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  UCR129909  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville 122 Comment
  CAS-BOT-BC362892  Rhagadiolus stellatus Alice Ackley; Marie Taylor 1978-3-28 s.n. Napa Triniti Road Comment
  UC592776  Rhamnus californica subsp. californica unknown 1928-5-4 1856 Napa upper slopes of Mt. St. Helena Mt. St. Helena 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
  UC592788  Rhamnus tomentella subsp. crassifolia unknown 1928-2-25 1506 Napa 3 mi n summit of Mt. St. Helena Grade (near Lake-Napa Cos. line) Comment
  JEPS106403  Rhododendron occidentale Jake Ruygt 1987-5-16 1992 Napa Bismark Knob 579 Comment
  JEPS106404  Rhododendron occidentale Jake Ruygt 1990-6-23 2597 Napa White Creek, Wild Horse Valley Ranch 390 Comment
  SFV8771  Rhododendron occidentale J. W. Katberg, Jr. 1966-5-11 46 Napa North Coast Ranges 1 mile north of Cedar Valley by Knoxville. 400 Comment
  UC1221788  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa slopes above Capell Creek (n end of Capell Valley); Capell Valley Comment
  RSA52661  Rhododendron occidentale var. californicum I. L. Wiggins 1949-4-30 12093 Napa On northeastern slope of Mount St. Helena, near lake county line Comment
  JEPS58769  Rhododendron occidentale var. occidentale Alice King Jul 1919 Napa Mt. Helena Comment
  CAS-BOT-BC168939  Ribes malvaceum David D. Keck 1931-4-2 1025 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa 170 Comment
  UCD19944  Ribes malvaceum E. A. Dean; Virginia Boucher 2002-2-28 905 Napa Quail Ridge Reserve. Along upper trail, going N of stock pond at ridge top; going towards power lines, 0.1 airline miles S of powerlines, just upslope where lower and upper trails meet. 286 Comment
  CAS-BOT-BC198894  Ribes roezlii var. cruentum John Thomas Howell 1926-3-21 1707 Napa On St. Helena Creek near Patten's. 701 Comment
  UC572662  Ribes roezlii var. cruentum Herbert B. Kaufner 1937-2-26 19 Napa Devil's Well Upper Mill Creek Canyon 518 Comment
  UCD167016  Ribes victoris Jake Ruygt 1984-3-28 1511 Napa Whitehall lane. 701 Comment
  RSA84971  Ribes victoris var. greenianum J. T. Howell 1940-5-19 15450 Napa Upper St. Helena Creek. Comment
  UC1182093  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 170 Napa canyon just w Rutherford Canyon; Napa Valley 304 Comment
  UCD118624  Rigiopappus leptocladus Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  CAS-BOT-BC363048  Rigiopappus leptocladus David D. Keck 1933-5-29 2341 Napa Pope Creek Bridge, south of Walters Springs. South wall of Pope Creek Canyon Comment
  CAS-BOT-BC363051  Rigiopappus leptocladus Beecher Crampton 1972-4-19 8792 Napa North end of Capell Valley Comment
  UCD19921  Rosa californica E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 776 b Napa Quail Ridge Reserve. Decker Canyon, along S. Decker Canyon trail, just N of Cut-off Rd., along drainage that runs NE of trail. 167 Comment
  CAS-BOT-BC148154  Rosa gymnocarpa Peter H. Raven 1950-5-6 2035 Napa S. limits of Calistoga, on Rt. 28 60 Comment
  CAS-BOT-BC148159  Rosa gymnocarpa Alice Eastwood 1922-5-4 11248 Napa Calistoga Comment
  CDA11620  Rosa gymnocarpa G. F. Hrusa, G. L. Stebbins 1994-3-11 11592 Napa North Coast Biodiversity Arena; Las Posadas State Forest. Upper canyon of Moores Creek. Comment
  SBBG3092  Rosa gymnocarpa H. and M. Dearing 1939-4-30 3233 Napa near St Helena Comment
  UCD17680  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 82 Napa California. Napa County: 0.5 miles south of Redwood Lodge along Highway 128. Near Rt. 1B X 234. Comment
  UCD17701  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 78 Napa California. Napa County: north of Redwood Lodge on Highway 128. Comment
  CAS-BOT-BC156588  Rubus bifrons Peter H. Raven 1952-5-31 4108 Napa Slough of Napa Cr. e. of Yountville 30 Comment
  UCD113843  Rubus parviflorus K. Esau 1920-4-19 s.n. Napa Calistoga. Comment
  JEPS120317  Rumex californicus Jake Ruygt 1990-5-12 2544 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  CAS-BOT-BC422286  Rumex californicus Peter H. Raven 1952-6-28 4192 Napa Sonoma Co. line on Sonoma-Napa Rd. 91 Comment
  JEPS110755  Rumex dentatus Jake Ruygt 1980-6-29 948 Napa Steele Canyon Resort at Lake Berryessa 129 Comment
  SBBG128000  Rumex dentatus L. Ahart 2009-10-27 16492 Napa below the high water line of Lake Berryessa, ca. 50 yards SE of Eticuera Crk, ca. 150 yards S of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  JEPS120316  Rumex salicifolius Jake Ruygt 1992-7-7 3074 Napa Alston Park near north side of park. Napa 7.5' Quad. Comment
  CAS-BOT-BC434079  Rumex transitorius Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  SBBG115747  Rupertia physodes B. Crampton 1953-5-19 1301 Napa Hwy 128, ca. 9 mi E of Rutherford Comment
  UCD161748  Sagina decumbens subsp. occidentalis Jake Ruygt 1995-4-8 3415 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  CDA24079  Sagina procumbens Gene Cornett 1963-5-21 Napa Mid City Nursery, 3635 Broadway, Vallejo. 0 Comment
  UC1093859  Salicornia virginica Herbert L. Mason 1923-10-6 773 Napa Suisun Marsh Comment
  CAS-BOT-BC103225  Salix bonplandiana Peter H. Raven 1951-6-24 3021 Napa [Brown's] Browns Valley to Napa-Sonoma Road 91 Comment
  CAS-BOT-BC102890  Salix breweri John Thomas Howell 1961-3-31 36473 Napa near Conn Dam Comment
  CAS-BOT-BC108668  Salix breweri L. R. Abrams 1928-5-4 12283 Napa 4 mi. south of Middletown Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  POM219054  Salix breweri H. P. Bracelin 1931-4-17 253 Napa Butt Canyon. Between Pope Springs and Aetna Valley. 300 Comment
  SBBG28800  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn between Pope Springs and Aetna Valley 91 Comment
  SJSU186  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon between Pope Springs & Aetna Valley 335 Comment
  UC1010435  Salix breweri Milo S. Baker 1931-4-2 5127 Napa on Middletown Rd. 7 mi from Pope Val. Store Comment
  UC457172  Salix breweri David D. Keck 1931-4-3 1075 Napa along creek 5 mi ne Aetna Springs; Butts Creek Comment
  UCD102771  Salix breweri Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
Read comments
Jul 22 2018
  UCD170811  Salix eastwoodiae 2018-4-28 5 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. Along drainage leading to Maxwell Creek. 166 Comment
  RSA3942  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC483319  Salix exigua var. hindsiana Ira L. Wiggins 1932-3-12 5756 Napa 1 mi n Calistoga; N. Fork Napa R. Comment
  UC75014  Salix exigua var. hindsiana unknown 1903-4-19 1996 Napa Calistoga Comment
  UCD149598  Salix laevigata Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD164805  Salix laevigata Jake Ruygt 1976-5-14 69 Napa 2.0 miles west of Hwy 29 on Redwood Rd. 51 Comment
  UC5018  Salix laevigata var. congesta Willis L. Jepson May 2 1891-May 6 1891 Napa creek bed of the Putah, below the Bluffs Comment
  CAS-BOT-BC125149  Salix lasiandra var. lasiandra Peter H. Raven 1952-5-31 4116 Napa 2.5 mi. e. of Yountville 60 Comment
  CAS-BOT-BC107048  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 19 Napa One mile northwest of Calistoga Comment
  CDA21153  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 A Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  POM220467  Salix lasiolepis Carleton R. Ball, Harold E. Parks 1931-2-17 17 -b Napa 1 mile NW of Calistoga. Comment
  CAS-BOT-BC124412  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3065 Napa Wooden Valley Grade 304 Comment
  JEPS126097  Salsola tragus Jake Ruygt 1978-7-10 386 Napa 0.4 miles north of Redwood Road on Highway 29. Napa 7.5' Qua. Comment
  UCD102769  Sambucus nigra subsp. caerulea Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 Comment
  UCD128001  Sanicula bipinnata Evert I. Schlinger 1952-3-16 14 Napa Putah Canyon. Comment
  JEPS223  Sanicula bipinnatifida W. L. Jepson 1915-4-23 6267 Napa Chiles Creek hills Napa Range Comment
  POM117092  Sanicula bipinnatifida Marcus E. Jones 1924-4-24 s.n. Napa Napa. 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
  UCD48499  Sanicula bipinnatifida L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 17 Napa Southwestern end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 10 feet N of stream. 152 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
  UC658970  Sanicula bipinnatifida Mildred E. Mathias 1937-5-23 1280 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 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
  UC1368792  Sanicula crassicaulis David H. French 1968-4-20 2860 Napa about 11 mi nw of Napa (w side of road called Silverado Trail) Comment
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  HSC70626  Sanicula laciniata J. M. DiTomaso 1980-6-13 1589 Napa Trinity Rd. from Oakville to Glen Ellen Comment
  UCD63191  Sanicula laciniata Jake Ruygt 2002-4-1 4380 Napa West of Calistoga above Blossom Creek. 213 Comment
  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
  JEPS967  Sanicula tuberosa Willis L. Jepson 1893-4-24 14192 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  POM262887  Saxifraga californica J. C. Roos 1939-3-27 304 Napa Snell Valley Comment
  UC614598  Saxifraga californica L. Constance 1938-3-27 2042 Napa 8 mi ne of Napa (above Wooden Valley, e slope of Howell Mountain); North Coast Ranges, Howell Mountain 457 Comment
  JEPS104490  Scandix pecten-veneris Jake Ruygt 1991-9-27 2846 Napa Willis Drive, Napa 15 Comment
  UCD128072  Scandix pecten-veneris Peter Kamb; Francia Chisaki 1950-4-22 1772 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley. 304 Comment
  CAS-BOT-BC21128  Schoenoplectus acutus var. occidentalis Peter H. Raven 1952-5-31 4118 Napa 2.5 miles east of Yountville. 60 Comment
  CAS-BOT-BC111446  Schoenoplectus californicus Peter Raven 1951-9-9 3901 Napa Slaugterhouse Pt., Napa River 0 Comment
  JEPS121363  Scirpus fluviatilis Jake Ruygt 1992-5-18 2984 Napa Yountville Ecological Reserve, Yountville Cross Rd., Napa River. Comment
  JEPS121364  Scirpus fluviatilis Jake Ruygt 1991-7-20 2795 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa - Knoxville R. Comment
  JEPS63962  Scirpus microcarpus W. L. Jepson 1918-6-24 7667 Napa half way to toll-house on Mt. St. Helena from Calistoga (Silverado); , half way to toll-house on Mt. St. Helena Comment
  HSC10894  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  RSA0054926  Scrophularia californica Keith E. Hoffmaster 1946-3-9 1252 Napa Napa-Monticello road. Comment
  JEPS77936  Scrophularia californica subsp. floribunda Edward Lee 1936-3-15 1791 Napa 2.3 mi by road out of Rutherford (road from Rutherford to Pope Valley); Conn Creek Comment
  RSA491729  Scrophularia californica subsp. floribunda James L. Reveal 1987-6-7 6401 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles west of Pleasant Valley Road, about 7 miles northwest of Vacaville. 762 Comment
  JEPS112642  Scutellaria californica Jake Ruygt 1979-6-30 726 Napa Trefethen, east of Carell Lane in low hills 182 Comment
  UC25836  Scutellaria tuberosa Willis L. Jepson 1893-5-9 Napa Nebaum's Dam; Napa River Basin, Nebaum's Dam Comment
  CAS-BOT-BC63776  Sedum radiatum subsp. radiatum Peter H. Raven 1951-6-10 2912 Napa Crater Region E of Mt. St Helena 762 Comment
  UCD19298  Selaginella James French 1970-4-17 s.n. Napa State Hwy 121, 7 mi. NE of Napa. Comment
  CAS-BOT-BC69711  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley. Comment
  UCD164819  Selaginella wallacei Jake Ruygt 2013-6-10 5913 Napa Archer Taylor Preserve, Devil's Canyon. 487 Comment
  SEINET7075536  Senecio eurycephalus 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
  CHSC45222  Senecio vulgaris Lowell Ahart 1976-3-7 1025 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  UCD159909  Senecio vulgaris Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  CAS-BOT-BC85825  Sequoia sempervirens Peter H. Raven 1964-5-9 19072 Napa Grove along dirt road 2 miles west of Aetna Springs Comment
  JEPS50095  Sidalcea diploscypha W. L. Jepson 1938-5-22 18822 Napa Snell Valley Comment
  JEPS110706  Sidalcea hartwegii Jake Ruygt 1985-5-18 1595 Napa west of Veteran's Home toward L. Hinman 182 Comment
  JEPS110707  Sidalcea hartwegii Jake Ruygt 1998-7-18 4099 Napa Bear Valley at pond. 646 Comment
  CHSC83385  Sidalcea keckii L. P. Janeway; B. Castro 2002-5-12 7536 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  JEPS129044  Sidalcea keckii Jake Ruygt 2016-5-28 6270 Napa Near East Side Easement Road. Lake Berryessa 7.5' Quad. Comment
  RSA537732  Sidalcea keckii Barbara Ertter, Annetta Carter 1989-5-28 8500 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
Read comments
Apr 29 2008
  UCD149641  Sidalcea keckii Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  JEPS51044  Silene antirrhina W. L. Jepson 1938-5-25 18864 Napa Bell Canyon Howell Mountain, Bell Canyon 579 Comment
  CAS-BOT-BC388147  Silene gallica Elsa G. Ruckert 1960-5-1 135 Napa 6495 Dry Creek Road; west of house next to compost heap. 365 Comment
  UCD148760  Silene laciniata subsp. californica Jake Ruygt 1979-5-24 632 Napa Napa County; Hwy. 128 2.1 miles east of Silverado Trail. 103 Comment
  CAS-BOT-BC75288  Sisymbrium officinale Elsa G. Ruckert 1960-4-3 65 Napa 6495 Dry Creek Road. West of house. 365 Comment
  UC1196379  Sisyrinchium bellum Joseph P. Tracy 1933-4-30 12091 Napa on hills at head of Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD138833  Sisyrinchium bellum H. Popenoe 1949-5-1 20 Napa on eastern exposure; one mile from Pope Valley on road to St. Helena. Comment
  UCD18175  Sisyrinchium bellum 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
  UCD48736  Sisyrinchium bellum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 14 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Rd. and Decker Bay Trail; approx. 90' NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  UCD81442  Sisyrinchium bellum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  CDA39472  Sisyrinchium bellum T. C. Fuller 1958-5-1 3724 Napa 2.5 miles north of Calistoga. 0 Comment
  UC429224  Sisyrinchium bellum C. F. Sonne Apr. 1897 6817 Napa Napa Valley Comment
  UCD67946  Sisyrinchium bellum Lorraine Clarke 1977-4-16 26 Napa East Bull Canyon, 6.4 mi. by road SSW of Monticello Dam along hwy 128, 0.5 miles away from Highway 128. Growing on bank of dried-up creek. Blue flowers. 182 Comment
  SEINET4171098  Sisyrinchium douglasii Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15090 Napa Under Chaparral, 20 miles north of Napa Comment
  NY759853  Solanum nigrum J. T. Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  UCD21497  Solanum parishii Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4399 Napa Quail Ridge Reserve. 249 Comment
  JEPS110918  Solanum rostratum Jake Ruygt 1984-6-30 1579 Napa Pope Valley Middle Rd. 195 Comment
  UCD148992  Solanum rostratum R. Breckenridge 2010-9-29 PDR 505910 4 Napa Lake Berryessa. 145 Comment
  UCD169858  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa About 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UC26232  Solanum tuberosum Willis L. Jepson 1893-6-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UCD67965  Solanum xanti Allen Gilbert 1974-4-28 22 Napa Near Lake Berryessa, approximately 2 miles West of Monticello dam, on highway 128. 76 Comment
  CAS-BOT-BC365372  Solidago elongata John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC365094  Solidago velutina subsp. californica Harley P. Chandler 1906-9-7 7117 Napa Howell Mountain. Alta Loma Ranch 548 Comment
  CAS-BOT-BC365099  Solidago velutina subsp. californica L. R. Abrams 1916-7-2 5761 Napa Near St. Helena Sanitarium Comment
  UCD149677  Soliva sessilis Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD41328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  CAS-BOT-BC390058  Spergularia John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  CDA3446  Spergularia bocconi H. Stabo 1979-4-26 Napa Residence at 41 Magnolia, Calistoga. 0 Comment
  UCD99232  Spergularia macrotheca var. leucantha S. Galen Smith; J. Anderson 1957-6-7 2957 Napa Myrtledale Hot Springs, 1.5 miles north of Calistoga. 121 Comment
  CAS-BOT-BC390291  Spergularia macrotheca var. longistyla Alice Eastwood 1915-6-5 4639 Napa Calistoga Comment
  CAS-BOT-BC390295  Spergularia macrotheca var. longistyla John Thomas Howell 1926-3-27 1759 Napa Myrtledale Hot Springs near Calistoga Comment
  CHSC84564  Spergularia macrotheca var. longistyla John Dittes 2003-4-5 2003 -9 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  HSC4242  Spergularia macrotheca var. longistyla Elsa Kraeger 1926-3-27 Napa Field near geyser, Calistoga Comment
  JEPS129147  Spergularia villosa Jake Ruygt 1993-4-18 3214 Napa West of west end of Rio Del Mar Drive, American Canyon. Cuttings Wharf 7.5' Quad. Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  JEPS112646  Stachys ajugoides Jake Ruygt 1996-6-3 3742 b Napa Jameson Vinyards near South Kelly Road. 103 Comment
  JEPS62962  Stachys ajugoides W. L. Jepson 1894-11-7 14960 Napa Asylum Field Napa Comment
  JEPS62967  Stachys ajugoides var. rigida Willis L. Jepson 1894-5-3 14967 Napa St. Helena Napa River Basin Comment
  JEPS112647  Stachys albens Jake Ruygt 1986-6-28 1851 Napa .4 mile south of Snell Valley Rd. on Butts Canyon Rd. 216 Comment
  POM161355  Stachys rigida subsp. quercetorum R. C. Bacigalupi 1928-6-20 1866 Napa Howell Mt. 10 miles west of St Helena. Comment
  UCD83669  Stachys rigida var. quercetorum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 4 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  UCLA85559  Stachys stebbinsii C. Epling, H. Lewis 1941-5-9 Napa 11.1 mi s St. Helena Comment
  UCD116968  Stellaria media Jillian Howard; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  CAS-BOT-BC393991  Stellaria nitens Peter H. Raven 1950-4-15 1716 Napa Silverado Trail outside of Napa Comment
  UCD161325  Stephanomeria elata Jake Ruygt 1980-8-14 797 Napa Suscol hill, mediam strip of highway. (Coordinates estimated by label maker at UC Davis). 30 Comment
  CAS-BOT-BC375744  Stephanomeria virgata Peter H. Raven 1951-8-21 3871 Napa Mt. Veeder 762 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
  UC35826  Stephanomeria virgata subsp. pleurocarpa Willis L. Jepson 1893-9-23 Napa Upper Napa Valley Napa River Basin Comment
  JEPS122969  Stipa lepida Jake Ruygt 1991-5-18 2574 Napa Mount George Avenue. Quad: Mount George. Comment
  UCD170367  Stipa miliacea var. miliacea Daniel Potter; N Khuu, K Battenberg 2016-4-30 865 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  UC956499  Streptanthus barbiger Freed W. Hoffman 1947-9-11 1070 Napa Spring Mountain Road North Coast Ranges Comment
  UCD115951  Streptanthus breweri Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties. Butts Canyon Road. Comment
  UCD74402  Streptanthus breweri Jake Ruygt 1980-6-11 930 Napa 0.2 mile east of Hwy. 128 on Berryessa-Knoxville Rd. 195 Comment
  JEPS106608  Streptanthus breweri var. hesperidis Jake Ruygt 1979-6-9 682 Napa 21.1 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 512 Comment
  CAS-BOT-BC87156  Streptanthus glandulosus subsp. glandulosus David D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles northwest of Monticello. Comment
  CAS-BOT-BC87160  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1955-5-21 5118 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC87166  Streptanthus glandulosus subsp. glandulosus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5335 Napa Pope Creek east of Samuels Springs. 91 Comment
  JEPS54003  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1894-5-1 13411 Napa ridge opposite mouth of Conn Valley; Napa River Basin Comment
  UC1063483  Streptanthus glandulosus subsp. glandulosus B. O. Schreiber 1938-4-24 2493 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
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Jan 14 2009
  UC117403  Streptanthus glandulosus subsp. glandulosus C. F. Baker 1903-4-20 2619 Napa Mt. St. Helena Comment
  UC518934  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa s Walters Springs (roadbank); Pope Creek Bridge Comment
  UCD116018  Streptanthus glandulosus subsp. glandulosus Bill Wengeler 1995-4-30 s.n. Napa 2 miles north of Highway 128 along Knoxville Road. 183 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
  CAS-BOT-BC87165  Streptanthus glandulosus subsp. glandulosus R. C. Barneby 1954-4-30 11335 Napa Conn Valley, near the slipway. 91 Comment
  UCD161644  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2005-6-1 4894 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  CAS-BOT-BC87328  Streptanthus hesperidis Robert F. Hoover 1938-6-11 3602 Napa Knoxville Ridge. Comment
  JEPS100815  Streptanthus hesperidis Dean Wm. Taylor with Mey Akasah 1999-6-4 17217 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD160653  Streptanthus hesperidis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8739 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  CAS-BOT-BC87330  Streptanthus hesperidis Roger Raiche 1986-5-5 60213 Napa Near Middletown, ca. 2 miles north on state route 29. 304 Comment
  SEINET11998400  Streptanthus hesperidis Unknown 1986-1 60213 Napa near Middletown, ca 2 mi N on CA 29 305 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
  UCD170356  Streptanthus morrisonii Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 855 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 468 Comment
  UCD75709  Streptanthus morrisonii Jake Ruygt 2008-4-12 5285 Napa About 1.5 miles northwest of Zim-Zim Falls. 530 Comment
  UCD19329  Stuckenia pectinata M. A. Bibbo; E. Dean 2001-7-6 21 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 in water hole. 320 Comment
  SBBG83707  Symphoricarpos mollis B. Wych 1975-5-29 33 Napa 2.1 mi N of intersection of St Hwy 128 and Wragg Cyn Rd Comment
  CAS-BOT-BC98080  Symphyotrichum lentum John Thomas Howell 1932-9-17 10758 Napa 3 miles west of Napa Comment
  JEPS104538  Symphyotrichum lentum Jake Ruygt 1991-11-29 2847 Napa Fagan's Marsh 1 Comment
  JEPS104575  Symphyotrichum spathulatum Jake Ruygt 1981-8-23 1089 Napa 1 mile south of Yountville on HWY 29 22 Comment
  JEPS40795  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  SD211538  Symphyotrichum subulatum var. parviflorum Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey circa 15 airmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges, below spillway on North side of Route 128, base of riprap 91 Comment
  UCD19337  Taeniatherum caput-medusae M. A. Bibbo; E. Dean 2001-7-6 29 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just south of powerline, ca. 0.5 air miles from jct of W and E roads, on top of ridge. 259 Comment
  CAS-BOT-BC211569  Tamarix parviflora Peter H. Raven 1951-10-28 3952 Napa Along Eticuera Creek, c. 8 mi. se of Knoxville 304 Comment
  JEPS21536  Tanacetum parthenium W. L. Jepson 1918-6-24 Napa Silverado, an abandoned inn half-way up to the grade to the Tollhouse on Mt. St. Helena Mt. St. Helena Comment
  UC107641  Taraxia ovata Mrs. K. Curran Sept. 1888 Napa Howell Mountain Comment
  CDA20091  Tetrapteron graciliflorum A. Howald 2003-4-23 2302 Napa North Coast Ranges; Missimer Snell Valley Wildflower Area, 2.3 mi E of Butts Cyn Rd on Snell Valley Rd. Comment
  UC9704  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  JEPS55128  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa grade n Wooden Valley grade; Napa River Basin Comment
  JEPS106595  Thelypodium brachycarpum Jake Ruygt 1982-6-15 1325 Napa Devilshead Rd. area north of Cedar Creek on road to Hunting Cr 387 Comment
  UCD108633  Thermopsis californica var. californica C. H. Lamoureux; J. M. Tucker, Roman Gankin 1957-4-11 1211 Napa South side of Lake Hennessy, 1 mile west of junction of State Highway 128 and Pope Valley Road. Comment
  CAS-BOT-BC66503  Thysanocarpus curvipes Peter H. Raven 1953-5-2 5380 Napa Hills due east of Yountville. 243 Comment
  CAS-BOT-BC66517  Thysanocarpus curvipes Jim Steele 1980-4-11 44 Napa Pope Valley. Cleary Reserve. 0.25 mile from entrance gate. 365 Comment
  CAS-BOT-BC66519  Thysanocarpus curvipes Lowell Ahart 1969-4-7 s.n. Napa Near Lake Berryessa. 243 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
  UCD35559  Thysanocarpus curvipes Beecher Crampton 1958-4-22 4739 Napa State Highway 128, Markley Canyon, Vaca Mountains. Comment
  CAS-BOT-BC66949  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa Near Calistoga. Comment
  CAS-BOT-BC67311  Thysanocarpus radians Peter H. Raven 1953-4-2 5244 Napa Hills south of Imola. 121 Comment
  UCD128188  Torilis nodosa M. Wiesendanger 1926-4-1 1490 Napa Exact location unknown. Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  CAS-BOT-BC85166  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mt. St. Helena Comment
  UC1001196  Torreya californica Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5330 Napa e of Chiles Valley; Soda Creek 137 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
  SEINET11736712  Torreya californica Unknown 1944-1 s.n. Napa no further locality Comment
  JEPS63924  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6239 Napa hills e St. Helena (Howell Road); hills e <of> St. Helena Comment
  JEPS63935  Toxicodendron diversilobum W. L. Jepson 1904-5-28 2427 Napa St. Helena, Spring Mt. Creek (York Creek) Comment
  UCD48423  Toxicodendron diversilobum A. Van Houtte; E. Leger, C. Hohn 2001-4-14 18 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; South Decker Canyon Rd. south of junction with Cut-Off Rd. 198 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
  UCD110460  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -b Napa Knoxville. 593 Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD162096  Toxicoscordion fremontii Dylan O. Burge 2014-3-15 1494 Napa Mount Saint Helena. 760 Comment
  UC2025090  Toxicoscordion fremontii Fayla Schwartz 1990-3-18 115 Napa Napa Co. 1.2 miles south of intersection with Howell Mt. Road on Deer Park Road, between St. Helena and Angwin. Comment
  UCD96203  Toxicoscordion micranthum Ellen Dean; with Clare Loughran 2011-5-20 7079 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
  UCD95925  Toxicoscordion venenosum var. venenosum Ellen Dean; with Clare Loughran 2011-5-20 7058 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. 612 Comment
  UCD166641  Trichostema lanceolatum Jake Ruygt 1981-7-31 1085 Napa Suscol plain near Kaiser Steel (Rocktram). 1 Comment
  UC615138  Trichostema laxum Beryl O. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UCR200670  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville, Berryessa-Knoxville Road, UC MacLaughlin Reserve, Research Hill 625 Comment
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Mar 8 2013
  JEPS108658  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa NW of; ; NW of Buzzard's Roost, N end of Stag's Leap. Yountville Quad Comment
  JEPS120348  Trichostema ruygtii Jake Ruygt 2004-8-21 4648 Napa Atlas Peak Road about 1/4 mile north of Hardman Ave., near Silverado C. C. Napa 7.5' Quad. Comment
  RSA731087  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line. 317 Comment
  UC1871375  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  UC1925875  Trifolium Ethel Crum 1931-1 1065 Napa Pope Valley Comment
  UCD107562  Trifolium albopurpureum R. Tofsrud 1951-5-20 s.n. Napa 4 miles W of Oakville. Comment
  JEPS106690  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1992-4-10 2898 Napa Wild Horse Valley Ranch east of south lake 457 Comment
  UC137700  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1999 Napa St. Helena Comment
  UC16497  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin 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
  JEPS65702  Trifolium albopurpureum var. olivaceum C. F. Sonne Apr. 1888 Napa Comment
  UCD18152  Trifolium bifidum Jean Shepard; with Plant Biology 102 class 2000-4-29 190 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
  UCD108300  Trifolium ciliolatum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  POM182743  Trifolium ciliolatum D. D. Keck 1931-4-2 1041 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  HSC15112  Trifolium depauperatum J. P. Tracy 1902-5-18 1541 Napa At head of Moore's Creek, 3.4 mi. E of Angwin's 518 Comment
  JEPS106829  Trifolium depauperatum var. hydrophilum Jake Ruygt 1996-4-11 3593 Napa Calistoga Airport 105 Comment
  POM126289  Trifolium depauperatum var. truncatum C. F. Sonne 1887-04 s.n. Napa [Unspecified] Comment
  UC555401  Trifolium depauperatum var. truncatum H. L. Mason 1928-4-13 4335 Napa near spring (Reili School) Comment
  UCD38309  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa 12 miles east of Rutherford, along Highway 128. Comment
  UCR141074  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa Inner North Coast Ranges, 0.25 mile northwest of Knoxville 457 Comment
  POM197362  Trifolium dichotomum L. R. Abrams 12249 Napa Summit St. Helena Grade. Comment
  UCD109729  Trifolium dichotomum P. B. Kennedy 1903-4-20 s.n. Napa Mt. St. Helena. Comment
  JEPS106806  Trifolium fucatum Jake Ruygt 1982-5-8 1228 Napa American Canyon Rd. north side of road 121 Comment
  JEPS106807  Trifolium fucatum Jake Ruygt 1985-4-27 1587 Napa Spanish Valley 219 Comment
  UCD48021  Trifolium fucatum L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 25 Napa McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UCD48023  Trifolium fucatum Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 10 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCR91212  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  JEPS106813  Trifolium gracilentum var. gracilentum Jake Ruygt 1982-4-7 1174 Napa Suscol Plain between Kaiser Steel and HWY 29 (221) 4 Comment
  UCD48982  Trifolium hirtum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. on W-facing slope 2400 as the crow flies ft. NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  UCD83442  Trifolium hydrophilum Glenn Clifton 1993-5-11 28156 Napa Suscol Creek, E side of Hwy 221. (approximate coordinates added by UCD) 48 Comment
  UCD164839  Trifolium hydrophilum Jake Ruygt 2012-4-30 5842 Napa Fard property, Tubbs Lane south of Myrtledale, Calistoga. 118 Comment
  JEPS106710  Trifolium microcephalum Jake Ruygt 1980-5-3 867 Napa Oat Hill Mine Rd. at Twin Peaks 755 Comment
  UCD118559  Trifolium microcephalum Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCR261631  Trifolium striatum Ann Howald 2003-4-29 2328 Napa Inner North Coast Ranges, Southern Mayacamas Mountains, c. 0.5 mile northeast of northern Carneros Valley, slope west of Buhman Court intersection with Buhman Ave. 91 Comment
  UCD72569  Trifolium striatum Neal Kramer 2008-5-12 s. n. Napa American Canyon. Comment
  UC160934  Trifolium variegatum Joseph P. Tracy 1902-5-17 1524 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  UC160935  Trifolium variegatum Joseph P. Tracy 1902-5-17 1525 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mtn 457 Comment
  JEPS4366  Trifolium variegatum var. melananthum W. L. Jepson 1921-5-6 9177 Napa Calistoga Comment
  RSA10694  Trifolium variegatum var. melananthum Carl B. Wolf 1928-5-8 1793 Napa 5 mi. no. of Calistoga, Mt. St. Helena Grade. Comment
  UC1300877  Trifolium variegatum var. variegatum Helen K. Sharsmith 1963-4-20 5329 Napa 4 mi s Napa (off of Kelly Rd) Comment
  UCD17969  Trifolium willdenovii Ellen Dean; Kate Mawdsley 2001-4-9 688 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD109880  Trifolium willdenovii R. L. Smith 1948-5-1 s.n. Napa east branch of Monticello Valley, 3 miles east of Samuel Springs. Comment
  UC4018  Trillium albidum Willis L. Jepson 1893-5-8 Napa Howell Mt. Comment
  CLARK-A1703-1  Trillium sessile subsp. giganteum D. V. Hemphill 1935-3-15 Napa Howell Mountain Comment
  UCD123390  Triphysaria eriantha R. L. Smith 1948-5-7 s.n. Napa 3 miles east of Samuel Springs, east branch of Monticello Valley. Comment
  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
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  JEPS74866  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7511 Napa 4 mi e Pope Valley; e of Pope Valley Comment
  UCD32415  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1950-5-7 570 Napa about 3-4 miles southeast of Yountsville, east side of Napa Valley, along Silverado Trail. 45 Comment
  UCR24352  Trisetum canescens John C. Roos 1939-5-7 297 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UC3281  Triteleia hyacinthina Willis L. Jepson 1884-5-4 Napa Little Oak Comment
  SEINET198873  Triteleia laxa R. L. Ferral 1954-5-30 12 Napa 5 feet off road on west side ca. 3 miles south of Capell Valley road junction on Montcello-Napa road 244 Comment
  UCD48278  Triteleia laxa E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 24 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UCR178675  Triteleia laxa Kook-Hyun Chung, M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 001 Napa Vaca Mtns, Quail Ridge UC Reserve. SE corner of Lake Berryessa, just west of Monticello Dam, along West Road, c. 0.45 mi (2400 ft) NW of the junction with South Decker Canyon Road 242 Comment
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Jan 20 2009
  CAS-BOT-BC526509  Triteleia laxa David D. Keck 1933-5-29 2367 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC526512  Triteleia laxa M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD21718  Triteleia laxa Robin McMaster 1972-4-9 49 Napa Lake Berryessa, shaded grassy slope. Comment
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Dec 18 2011
  IRVC27660  Triteleia peduncularis Robert F. Hoover 1938-6-8 3541 Napa S Fork of Butts Creek. Comment
  UC146224  Triteleia peduncularis J. P. Tracy 1905-7-5 2231 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 365 Comment
  UC421850  Triteleia peduncularis Katharine Brandegee Napa Butts Canyon Comment
  UCD35479  Tropidocarpum gracile Beecher Crampton 1957-4-15 3931 Napa Vaca Mtns., east slope of Wragg Canyon, Hwy. 128. Comment
  CAS-BOT-BC474770  Ulmus minor Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park 106 Comment
  JEPS40120  Umbellularia californica W. L. Jepson 1894-10-13 Napa St. Helena 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
  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
  UCD38864  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 5 miles north Conn. Reservoir. (Lake Hennessey) Lower Chiles Valley Road. 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
  CAS-BOT-BC526976  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1616 Napa 0.1 mi N of Anguinon Pope Valley Rd Comment
  RSA394836B  Vaccinium macrocarpon C. M. Knapp 1981-4-12 s.n. Napa Southwest of North Columbia, in hydraulically mined area. 854 Comment
  CAS-BOT-BC199245  Vaccinium ovatum Peter H. Raven 1951-6-26 3070 Napa Wooden Valley Grade 304 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
  JEPS129059  Vancouveria planipetala Jake Ruygt 1979-5-29 640 Napa 2.7 miles north of Mt. Veeder Road on Redwood Road. Sonoma 7.5' Quad. Comment
  JEPS120395  Velezia rigida Jake Ruygt 1998-6-6 4010 Napa About 1/2 mile north of historic Knoxville on Berry[essa]-Kn[oxville Road] Comment
  UCD124633  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. 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
  CHSC102288  Veronica anagallis-aquatica Lowell Ahart 2009-10-12 16453 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS115741  Veronica anagallis-aquatica Lowell Ahart 2009-10-12 16453 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  CDA29772  Veronica catenata M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 216 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS110605  Veronica catenata Jake Ruygt 2004-6-12 4616 Napa 3/4 mi E of Blue Monday Mine 335 Comment
  UC1949226  Veronica catenata Barbara Ertter with Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  UCD49289  Veronica persica Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., near stream, E side of Road, just N of jct with Cut-Off Rd., near dilapidated buildings, about 75 ft. S of screen shed. 152 Comment
  UCD83427  Vicia americana subsp. americana Jake Ruygt 1987-5-9 1981 b Napa N of Catalpa Drive, Circle Oaks. 396 Comment
  UC1714464  Vicia sativa C. F. Baker 1903-4-19 2600 Napa St. Helena Comment
  SEINET7042499  Vicia sativa A. G. Vestal 1963-4-7 s.n. Napa 3.8 miles north of Saint Helena on the Silverado Trail. Saint Helena quadrangle UTM Zone 10, 544281mE, 4266677mN. Comment
  SEINET7073083  Vicia sativa subsp. nigra A. G. Vestal 1963-4-7 s.n. Napa About 1 mile north of Saint Helena on the Silverado Trail. Coordinate datum WGS84/NAD83. (38? deg. 31' 20" North Latitude, -122? deg. 28' 26" West Longitude, UTM Zone 10, 545861mE, 4263695mN. Coordinate datum: NAD27). Comment
  UC1300883  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-4-20 5343 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS126092  Vicia tetrasperma Jake Ruygt 1996-7-13 3771 Napa Angwin near sanitation ponds. Saint Helena 7.5' Qua. Comment
  UCD168549  Vicia villosa 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
  CHSC25104  Vicia villosa subsp. varia J. E. Beitler 1970-4-19 26 Napa St. Helena. At the base of the dam of lower Spring Mountain Reservoir ca. 75 yds. E. of Spring Mountain Road. Comment
  JEPS66206  Vicia villosa subsp. villosa W. L. Jepson 1944-5-21 27524 Napa 7 mi n Napa (e side of Napa Valley); Napa Valley Comment
  SJSU11033  Viola lobata D. L. Blair 1968-4-5 Napa Pope Valley Comment
  UCD149680  Viola lobata Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UC1761540  Viola lobata subsp. lobata Milo S. Baker Napa Comment
  UCD117461  Viola lobata subsp. lobata Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  JEPS48870  Viola lobata subsp. lobata Elsa Kraeger 1926-3-28 Napa near Mount St. Helena Inn Comment
  UC1761398  Viola ocellata G. Douglas Barbe 1957-7-4 370 Napa 6.6 mi W of Napa (Redwood Rd., 0.6 mi NW of the Christian Bros. Mt. LaSalle School) Comment
  JEPS110801  Viola purpurea subsp. quercetorum Jake Ruygt 1991-5-4 2645 Napa White Cottage Rd. at Ink Grade 563 Comment
  JEPS50345  Viola purpurea subsp. quercetorum W. L. Jepson 1924-4-6 10320 Napa Howell Mountain; Napa Range, Howell Mountain 731 Comment
  UC19342  Viola purpurea subsp. quercetorum Willis L. Jepson 1893-4-25 Napa Trail to Caux's Cabin; Napa River Basin Comment
  POM222661  Viola purpurea subsp. quercetorum Milo S. Baker 1925-4-5 979 Napa Mt Saint Helena, near Toll House. 762 Comment
  UC1762302  Viola purpurea subsp. quercetorum Helen Von Grafen 1927-4-23 Napa Mt. St. Helena Comment
  SEINET215126 Image available Viola quercetorum C. D. Spencer 1972-4-30 29 Napa Trancas Avenue 10.2 mi from the Napa US Post Office Napa 610 Comment
  CAS-BOT-BC203090  Vitis californica Saichi Kawahara 1968-4-20 334 Napa Spillway of Conn Dam, Highway 128 91 Comment
  RSA0121706  Vitis californica John H. Thomas 1955-5-21 5147 Napa About 3 miles N of Wooden Valley, near State Hwy #37. 305 Comment
  UCD16227  Vitis californica H. Olmo; G. Ishizuka 1