Search Results — 2000 specimen records retrieved (1471 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS77944  Acer macrophyllum Edward Lee 1936-3-15 1806 Napa Rutherford - Pope Valley road 8 mi out Rutherford; Rutherford - Pope Valley road Comment
  RSA633347  Acer macrophyllum Michael A. Vincent, Ethan H. Freid 1998-4-7 8167 Napa Along Rt. 128 at road marker 24/80 Comment
  UCD117056  Acer macrophyllum Michael A. Vincent; Ethan H. Freid 1998-4-7 8167 Napa along Rt. 128 at road marker 24/80. Comment
  UCD47869  Achillea millefolium S. E. Ratay; M. Disney, J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 27 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  OBI17140  Achillea millefolium R. L. Hoover 1968-4-20 50 Napa On Howell Mtn Rd, 2.6 mi NE of State Rte 29/128, on E side of rd 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
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD81830  Acmispon brachycarpus Ellen Dean 2009-4-24 5460 Napa Property at 600 Petrified Forest Road. 170 Comment
  UCD160344  Acmispon parviflorus Nellie Coffey 1931-2-1 s.n. Napa Chiles Valley. Comment
  UCD48946  Acmispon parviflorus Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) 'as the crow' flies NW of jct with South Decker Canyon Rd.; along roadside. 243 Comment
  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
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  UCD49134  Adenostoma fasciculatum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 Comment
  JEPS121508  Adenostoma fasciculatum var. fasciculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 200 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  UCD137227  Adiantum jordanii M. Sidells 1996-4-13 8 Napa Lake Bereyessa. 280 Comment
  UCD48304  Adiantum jordanii K. Mogel; B. Pekin and M. Higley 2002-5-4 2 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 600 ft along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  CAS-BOT-BC202653  Aesculus californica Richard R. Halse 1989-5-13 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  CAS-BOT-BC202658  Aesculus californica Marion Ownbey; Ruth P. Ownbey 1938-7-9 1701 Napa 6 miles northeast of Napa Comment
  POM255858  Aesculus californica Marion Ownbey, Ruth Ownbey 1938-7-9 1701 Napa 6 miles northeast of Napa. Comment
  UCD49075  Aesculus californica M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 6 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 20 ft. W of lat./long. position. Along second bend of the road. 30 ft. E of power lines. 304 Comment
  UCD148099  Agoseris grandiflora Jake Ruygt 2006-6-13 5056 Napa Northeast of Lake Berryessa. North of ridge on road between Harris and Green Canyon. 396 Comment
  UCD117751  Agoseris grandiflora var. grandiflora Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  CAS-BOT-BC22751  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  UCD121182  Agoseris heterophylla Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7360 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 405 Comment
  CAS-BOT-BC46060  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC46061  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS36384  Agoseris hirsuta Willis L. Jepson 1892-8-1 Napa Creston <illegible, may read breston> Comment
  SEINET238873  Agrostis diegoensis Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains above Wooden Valley. Comment
  CAS-BOT-BC127450  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  POM126093  Agrostis elliottiana Joseph P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 518 Comment
  SEINET10510088  Agrostis hallii Peter H. Raven 1952-5-31 Raven 4102 Napa 1.5 mi. Yountville. 30 Comment
  UCD36932  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD53032  Agrostis microphylla A. A. Beetle 1946-5-7 4257 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  UCD53065  Agrostis microphylla var. intermedia Beecher Crampton 1956-5-21 3444 Napa meadow of waters supplied by the Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  JEPS20271  Ailanthus altissima Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  CDA37188  Aira caryophyllea CDFA Staff 2005-5-1 s.n. Napa Atlas Peak Road, Mead Ranch. 0 Comment
  JEPS123026  Aira elegans Jake Ruygt 1982-4-29 1214 Napa Suscol plain east of Kaiser Steel, west of Highway 29 (221). Quad: Napa. Comment
  JEPS32192  Alisma plantago-aquatica Willis L. Jepson April, 1893 Napa Lower Napa Valley Napa River Basin 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
  UCD161516  Allium cratericola Jake Ruygt 1990-4-8 2473 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  JEPS110938  Allium falcifolium Jake Ruygt 1979-4-23 544 Napa 2.3 miles east of Silverado Trail on HWY 128 106 Comment
  SBBG842  Allium falcifolium H. and M. Dearing 1939-5-3 3264 Napa Rutherford - Pope Valley Rd Comment
  RSA195377  Allium falcifolium Gilbert Muth 1967-4-16 630 Napa Snell Valley. 183 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
  SEINET186014  Allium falcifolium J. Morrison, A Carter 1938-4-24 1355 Napa 0.6 mi W of Knoxville on rd from Monticello to Lower Lake Comment
  SEINET5502060 Image available Allium falcifolium Sally Walker 1982-1 s.n. Napa 9.9 mi S. of Middletown Lake Co Comment
  UCD148577  Allium serra Jake Ruygt 2005-5-9 4821 Napa Napa County; Knoxville Wildlife Area, west side of Berryessa Knoxville Rd. 420 Comment
  UC518935  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 mi s Knoxville Comment
  JEPS110933  Allium unifolium Jake Ruygt 1996-5-13 3675 Napa Wantrop Wildlife Sanctuary, Hardin Road, Pope Valley 438 Comment
  RSA123585  Allium unifolium Milo S. Baker 1931-4-19 5421 Napa Along highway in Coun. Valley. Comment
  CAS-BOT-BC26676  Allocarya piperi Amos Arthur Heller; H. E. Brown 1902-4-25 5361 Napa Near Napa Comment
  JEPS110941  Allophyllum divaricatum Jake Ruygt 1982-5-1 1218 Napa Soda Canyon west of grade 335 Comment
  UCD159904  Allophyllum gilioides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. East section, west of Q48. 243 Comment
  CAS-BOT-BC137956  Alopecurus saccatus Peter H. Raven 1950-5-6 2003 Napa Calistoga. Sulphur Flats near Geysers Hot Springs near Calistoga Airfield. 45 Comment
  UC912663  Alopecurus saccatus Herbert L. Mason 1931-4-12 5838 Napa ground s. of Napa State Hospital Napa State Hospital Comment
  UCD147459  Alopecurus saccatus Ellen Dean; Diana Hickson 2014-4-29 8072 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS54296  Amaranthus californicus W. L. Jepson 1930-10-19 15683 Napa Conn Creek Napa Valley 45 Comment
  POM226226  Amaranthus powellii J. T. Howell 1933-9-17 11667 Napa North of Vallejo Comment
  JEPS115744  Amaranthus retroflexus Lowell Ahart 2009-10-12 16471 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  UC1199257  Ambrosia psilostachya Joseph P. Tracy 1940-10-27 16796 Napa by roadside near Suscol 15 Comment
  CDA34166  Amelanchier pallida D. G. Kelch 2010-4-26 10 .099 Napa Skyline Canyon, E of Napa State Hospital. Comment
  CAS-BOT-BC136750  Amelanchier utahensis Carl B. Wolf 1928-5-4 1868 Napa Mt. St. Helena Comment
  JEPS45494  Amelanchier utahensis W. L. Jepson 1924-4-27 10383 Napa Mt. St. Helena Comment
  UCD95904  Amelanchier utahensis Ellen Dean; with Clare Loughran 2011-5-20 7046 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  JEPS16026  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley Union sta.; Napa Valley Comment
  UCD127157  Ammi majus Beecher Crampton 1973-6-25 8967 Napa 2 miles north of Oakville. Comment
  JEPS107261  Amorpha californica var. napensis Jake Ruygt 1976-5-18 91 Napa 5.2 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments
Aug 15 2010
  UCR23952  Amorpha californica var. napensis John C. Roos 1939-4-29 289 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CDA15312  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 1 of 2. 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
  UCD48652  Amsinckia intermedia Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 1 Napa Quail Ridge Reserve, Decker Canyon, along S. Decker Canyon Rd., N of jct with Cut-Off Rd., S of jct with N. Decker Canyon Rd., approximately 5 m. W of screen shed and about 45 ft. from road. 152 Comment
  UCD161744  Amsinckia intermedia Jake Ruygt 1994-3-29 3342 Napa south side of Suscol Ridge in Jameson Canyon (Kirkland Ranch). 201 Comment
  CHSC83407  Amsinckia lunaris L. P. Janeway; B. Castro 2002-5-12 7531 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UC1111642  Amsinckia lunaris Francia Chisaki 1953-5-8 566 Napa 3.1 mi s of Napa-Lake County line (on Pope Valley Road) Comment
  UCD119763  Amsinckia menziesii S. Galen Smith 1951-4-15 s.n. Napa Along Silverado Trail. Comment
  UCD161576  Amsinckia menziesii Jake Ruygt 2007-3-29 5128 Napa Rector Creek, west of State Lane (Caymus Avenue). 42 Comment
  UC525580  Amsinckia menziesii var. menziesii Joseph P. Tracy 1933-4-30 12090 Napa on hills at head of Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  CAS-BOT-BC26969  Amsinckia vestita Alice Eastwood 1922-5-4 11260 Napa Calistoga Comment
  UCD19934  Anagallis arvensis E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 792 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  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-BC64142  Ancistrocarphus filagineus John H. Thomas 1955-5-21 5171 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  CAS-BOT-BC64145  Ancistrocarphus filagineus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6655 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  UC619409  Angelica californica Wilhelm N. Suksdorf 1913-7-26 683 Napa e of Napa Comment
  UCD54302  Angelica californica Mark Bibbo; w/ Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  JEPS15908 Image available Angelica tomentosa W. L. Jepson 1895-8-30 13484 Napa near Calistoga; ; Near Calistoga, upper Napa Valley Comment
  UC20797  Angelica tomentosa Willis L. Jepson Aug. 1892 Napa near St. Helena (Napa River Basin); Napa River Basin Comment
  UC1197333  Anthriscus caucalis Joseph P. Tracy 1938-5-31 15748 Napa near St. Helena (at Bale Mill); Northern Coast Ranges 91 Comment
  RSA82871  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa East side of Napa Valley, ca. 2 miles north of St. Helena Comment
  JEPS83302  Antirrhinum cornutum David M. Thompson 1983-8-11 336 Napa 1.9 mi from Barnett Road start (just n of Pope Creek, at an area reached by traveling private vineyard roads at end of Barnett Road); Aetna Springs Quad. (7.5', 1958) 201 Comment
  SD120895  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creekat end of Barnett Road, past vineyards, flanking streamlet 200 Comment
  JEPS21670  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa about 2 mi sw Oakville 152 Comment
  JEPS43777  Antirrhinum majus J. A. Marinovich 1964-5-8 18 Napa sw of Monticello Dam (along Hwy 128, between Monticello Dam and junction with Hwy 37, along creek e of hwy) 182 Comment
  UCD144648  Antirrhinum vexillocalyculatum 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
  JEPS100865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Dean W. Taylor 2000-6-29 17475 Napa Zim Zim Creek, canyon about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  POM215774  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. D. Keck 1933-7-1 2465 Napa Butts Creek Canyon, ca. 5 miles northeast of Aetna Springs. Comment
  JEPS112546  Antirrhinum virga Jake Ruygt 1986-5-18 1775 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 463 Comment
  JEPS83352  Antirrhinum virga David M. Thompson 1983-6-16 334 Napa Twin Peaks Mine area along gravel road next to Bateman Creek (This gravel road starts at the junction of Oat Hill Road and Livermore Road Twin Peaks Mine area along gravel road next to Bateman Creek (Napa/Lake Co. line); Detert Reservoir Quad. (7.5', 1958) 579 Comment
  RSA80428  Antirrhinum virga Joseph A. Ewan 1933-9-17 8017 Napa Near Stevenson Monument, Mt St Helena Comment
  CDA11135  Apiastrum angustifolium G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11825 Napa North Coast Biodiversity Arena; Upper slopes of Mt. George 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
  JEPS40077  Aralia californica Alice King July, 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  RSA470446  Aralia californica T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. 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
  UCD15004  Arbutus menziesii Wesley Ebert 1977-4-16 35 Napa Off east side of Highway 128 above East Bull Canyon, 6 miles southwest of Monticello Dam. 213 Comment
  RSA10639  Arceuthobium campylopodum Carl B. Wolf 1928-5-4 1851 Napa Upper slopes of Mount St. Helena. Comment
  CDA37815  Arctium lappa S. Longo/J. Chang 2012-6-26 PDR# 280 P06089864 Napa Napa; 3200 Soda Canyon Road, near Loma Vista Dr. 0 Comment
  JEPS116548  Arctostaphylos canescens Jake Ruygt 2006-3-14 4958 Napa Monticello Road about 0.1 mile east of Leoma Lakes Road. Mount George 7.5' Quad. Comment
  JEPS38625  Arctostaphylos canescens Willis L. Jepson 1893-9-23 14701 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC23953  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-10-3 2199 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC23979  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC23982  Arctostaphylos canescens subsp. canescens Alice Eastwood 1918-9-3 7943 Napa Mt. St. Helena Comment
  CAS-BOT-BC23985  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC24018  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4563 Napa Crater Country, near Mt. St. Helena Comment
  UC1424918  Arctostaphylos canescens subsp. canescens Gary D. Wallace 1974-12-23 1346 Napa along Hwy 29 just n Robert Louis Stevenson State Park (se of Mt. St. Helena) 609 Comment
  SEINET6409377 Image available Arctostaphylos densiflora Unknown 1983-5-26 s.n. Napa S. Summit of Mt. St. Helena Comment
  UCD50910  Arctostaphylos glandulosa A. E. Wieslander 871 1939-3-18 871 Napa 1.5 miles northeast of Mt. Veeder. 304 Comment
  CAS-BOT-BC24863  Arctostaphylos glandulosa subsp. cushingiana Gertrude Raven Hardman 1967-12-25 s.n. Napa Pope Valley Comment
  SBBG33965  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  SD29176  Arctostaphylos glandulosa subsp. cushingiana C. C. Parry 1887-3-15 Napa Calistoga. Comment
  CAS-BOT-BC23148  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  SJSU11107  Arctostaphylos glandulosa subsp. glandulosa E. C. Garbett 1961-4-15 298 Napa Veeder Rd near Oakville Comment
  UCR228649  Arctostaphylos glandulosa var. cushingiana Ellen Dean, Stephen Rae 2008-5-21 4981 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 268 Comment
  JEPS46407  Arctostaphylos manzanita unknown 1896-2-23 Napa Howell Mt. Comment
  UCSB22860  Arctostaphylos manzanita McMinn, H. 1936-4-4 Napa Howell Mt. Comment
  CAS-BOT-BC38915  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1930-7-13 5355 Napa Chaparral on the edge of the 'Crater Country' Comment
  JEPS106416  Arctostaphylos manzanita subsp. elegans Jake Ruygt 1978-3-19 245 Napa Mt. St. Helena 1097 Comment
  UC796643  Arctostaphylos manzanita subsp. elegans Ira L. Wiggins 1949-4-30 12084 Napa on saddle about 1.5 mi from summit of Mt. St. Helena 1066 Comment
  CAS-BOT-BC24279  Arctostaphylos manzanita subsp. manzanita L. R. Abrams 1916-7-2 5771 Napa Near Saint Helena Sanitarium. Comment
  CAS-BOT-BC24282  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-2-23 s.n. Napa Howell Mt. Napa River Basin. Comment
  CAS-BOT-BC24285  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1928-3-24 2861 Napa Grade in old road to lake Co. above Calistoga. Comment
  CAS-BOT-BC38728  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5357 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38763  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-1-22 6385 Napa Sulphur Springs Canyon just N. of the resort 213 Comment
  CAS-BOT-BC38772  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-14 15495 Napa About 3 miles east of Calistoga, near the foot of the grade up Mt. St. Helena on a steep clay bank. Comment
  CAS-BOT-BC38775  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-2-22 6413 a Napa Hills just north of White Sulfur Springs, w. of St. Helena 152 Comment
  JEPS122807  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5116 Napa Whitehall Lane at west end of county road. QUAD: Rutherford. Comment
  JEPS38705  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1918-6-24 7669 Napa halfway down valley floor to Toll House; Mt. St. Helena Comment
  JEPS38880  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa near St. Helena; Napa Range, Glass Mt. Comment
  SEINET8729957 Image available Arctostaphylos montana Lewis S. Rose 1937-1 37018 Napa Wooden Valley Grade, 8 mi. NE. of Napa. 274 Comment
  CAS-BOT-BC27294  Arctostaphylos stanfordiana Charles Christopher Parry 1887-4-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC43869  Arctostaphylos stanfordiana J. W. Stacey 1922-11-30 s.n. Napa Near Calistoga Comment
  HSC7719  Arctostaphylos stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  JEPS38877  Arctostaphylos stanfordiana W. L. Jepson 1936-12-3 17977 Napa near Four Corners; Napa Range, Howell Mt. Comment
  JEPS38884  Arctostaphylos stanfordiana W. L. Jepson 1936-12-7 17992 Napa Four Corners Napa Range, Howell Mt. Comment
  UC205100  Arctostaphylos stanfordiana Katharine Brandegee Napa Anguins Comment
  UCR23649  Arctostaphylos stanfordiana John C. Roos 1939-1-21 300 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  SEINET11977845  Arctostaphylos stanfordiana A. E. Wieslander 1936-1 713 Napa Mount Saint Helena 610 Comment
  RSA123384  Arctostaphylos stanfordiana subsp. stanfordiana A. E. Wieslander 1934-2-24 365 Napa Spring Mountain. 640 Comment
  RSA14941  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood, John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade. Comment
  RSA293482  Arctostaphylos stanfordiana subsp. stanfordiana C. W. Tilforth 1979-7-22 1854 Napa Along Wooden Valley Rd., north-east of Napa. Comment
  RSA3949  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1932-3-12 5768 Napa Hillside between Calistoga and Franz Valley. Comment
  RSA602256  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SD125709  Arctostaphylos viscida L LaPre 1985-4-24 Napa Three Peaks, 5 miles southeast of Middletown, north end of Livermore Rd., near Napa County line Comment
Read comments
Jul 28 2014
  UCD20647  Arctostaphylos viscida R. J. Blenkush; J. H. Richards 2000-1-29 41 Napa McLaughlin Reserve. Collected at the intersection of Hunting Creek Road with Devilhead Road. 536 Comment
  JEPS106408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1996-2-24 3518 Napa NE of Big Basin, along Pocock Creek Rd. 426 Comment
  UC604657  Arctostaphylos viscida subsp. pulchella Joseph P. Tracy 1938-6-5 15835 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  UC763112  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4915 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon 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
  UC543760  Aristolochia californica Herbert L. Mason 1928-4-13 4331 Napa hills between Santa Rosa and Calistoga Comment
  UC6148  Aristolochia californica Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UC767467  Arnica discoidea R. F. Hoover 1941-5-10 5014 Napa e side Mt. St. Helena Comment
  JEPS104557  Asclepias cordifolia Jake Ruygt 1979-5-16 599 Napa 9.2 miles NE of Atlas Peak Rd. on Monticello Rd. 280 Comment
  UCD121287  Asclepias cordifolia M. Wiesendanger 1927-5-4 691 Napa Monticello-Napa Rd. Comment
  UCD70471  Asclepias cordifolia P. J. Plummer 1995-6-5 s.n. Napa Napa County W of city of Winters, off hwy 128. 73 Comment
  UCD20731  Asclepias fascicularis Ellen Dean; w/ Mark Bibbo 2002-6-17 1095 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. 198 Comment
  JEPS122691  Asclepias solanoana Jake Ruygt 1988-5-29 1480 Napa Sensitive plant canyon. Quad: Knoxville. Comment
  JEPS103979  Aspidotis densa Jake Ruygt 1979-4-6 486 Napa .3 mile east of Butt's Canyon Rd. on Snell Valley Road 213 Comment
  UCD137319  Aspidotis densa R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  RSA769685  Aster subulatus var. ligulatus L. Ahart 2009-10-27 16476 Napa Below high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on south side of Berryessa Knoxville Road., On the bottom of an unnamed creek, about 20 air miles northwest of Winters. 130 Comment
  CAS-BOT-BC180462  Astragalus breweri Peter H. Raven 1950-5-6 2022 Napa Sulphur Flats & hot springs near Old Faithful Geyser, N. of Calistoga 182 Comment
  CAS-BOT-BC178661  Astragalus claranus John Thomas Howell 1931-4-19 6442 Napa Conn Valley Comment
  RSA481899  Astragalus claranus Aaron Liston, James D. Morefield 1988-3-19 706 -1 Napa Northeast side of Lake Hennessey; 4.3 miles ESE of Howell Mountain Road on Conn Valley Road. 100 Comment
  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
  UCD104803  Astragalus gambelianus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  CAS-BOT-BC27754  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  CAS-BOT-BC66083  Athyrium filix-femina var. cyclosorum Evelina Cannon 1901-7-13 s.n. Napa Johannisberg, on side of Mt. Veeder Comment
  JEPS53210  Athysanus pusillus W. L. Jepson 1937-4-10 18000 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UCD114238  Athysanus pusillus G. F. Hrusa 1995-4-2 12050 Napa Alongside Highway 128. 200 Comment
  CAS-BOT-BC17536  Athysanus pusillus Peter H. Raven 1953-4-2 5273 Napa Hill west of Tulucay Creek. 243 Comment
  UCD114242  Athysanus pusillus June McCaskill 1965-3-4 694 Napa ca. 1/2 mile east of mail boxes on road to M and M Ranch, in middle of Snell Valley. Comment
  CAS-BOT-BC145929  Avena fatua Peter H. Raven 1952-5-9 4082 Napa Napa River 1 mile north Napa. 60 Comment
  UCR197925  Avena fatua Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford Comment
  CAS-BOT-BC145928  Avena fatua Peter H. Raven 1954-2-22 6407 Napa Orchard at west end of Saint Helena. 60 Comment
  UCD36838  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3229 Napa Napa County, Napa Valley, 1 mile south of Rutherford, State Highway 128. Comment
  SEINET3919714  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford.; 0 Comment
  CAS-BOT-BC98793  Baccharis douglasii Peter H. Raven 1955-8-27 8760 Napa Cuttings Wharf 3 Comment
  UC30352  Baccharis pilularis Willis L. Jepson 1892-10-22 Napa St. Helena Comment
  JEPS21291  Baccharis pilularis W. L. Jepson 1892-10-22 Napa near St. Helena ((Park Hill)); Park Hill Comment
  CAS-BOT-BC16527  Barbarea orthoceras David D. Keck 1931-4-2 1015 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa. 170 Comment
  CAS-BOT-BC16532  Barbarea orthoceras G. DeNevers 1982-3-21 1941 B Napa Napa Range Mountains. On west slope of Mount George. Comment
  CDA11618  Barbarea orthoceras G. F. Hrusa, G. L. Stebbins 1994-3-11 11601 Napa North Coast Biodiversity Arena; Ink Grade, approx. 2 m. NE of Angwin. Comment
  JEPS106776  Barbarea orthoceras Jake Ruygt 1997-4-12 3829 Napa Bennett Lane, Calistoga 134 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
  UCD19929  Barbarea orthoceras E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 785 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  CAS-BOT-BC474765  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve. Hunting Creek between Hunting Creek Campground and contractor road 365 Comment
  UC1010752  Beckmannia syzigachne Peter H. Raven 1951-6-24 3028 Napa Brown's Valley to Sonoma-Napa Road 91 Comment
  CDA6268  Bellardia trixago T. C. Fuller 1958-5-1 3729 Napa Northeast corner, Highways 29 & 21, 6 miles south of Napa. 0 Comment
  JEPS106879  Berberis aquifolium var. dictyota Jake Ruygt 1992-3-28 2869 Napa small tributary to Butts Creek, near Berryessa Estates 161 Comment
  RSA52658  Berberis pinnata I. L. Wiggins 1949-4-30 12089 Napa E flank of Mt St Helena. 915 Comment
  RSA769216  Bergia texana L. Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  UCD129588  Blennosperma nanum Charles B. Heiser Jr. 1947-2-16 1882 Napa 3 miles north of Napa, near junction of Silverado Trail and road from Monticello. Comment
  UCD114362  Boechera breweri Robert E. Preston 1987-6-20 570 Napa E side of Putah Creek ca. 3500 ft s of its confluence with Hunting Creek. 243 Comment
  JEPS53002  Boechera breweri subsp. breweri K. Brandegee 1894-6-1 Napa e of Calistoga (Pope Valley grade summit, n Napa Range); Napa Range Comment
  UCD161759  Boechera breweri subsp. breweri Jake Ruygt 1998-3-28 3893 Napa The Beehive, Rattlesnake Ridge. 762 Comment
  SEINET11104788  Bolboschoenus maritimus Lowell Ahart 2009-10-12 16460 Napa below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS64002  Bolboschoenus robustus W. L. Jepson 1894-11-7 21219 Napa Napa Comment
  CDA42002  Boschniakia strobilacea S. Bardessono 1974-6-14 s.n. Napa In the wilds 0 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
  SACT000478  Briza minor John Willoughby 1979-5-25 Napa Pansy Flat, in open grassy areas below stock pond 609.6 Comment
  UC1158114  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jota Plateau Northern Coast Ranges, Howeel Mountain (3-4 mi e of Angwin's, on hills at head of Moore's Creek) 518 Comment
  JEPS7692  Brodiaea appendiculata W. L. Jepson 1923-6-3 9981 Napa near mouth of Conn Creek; Napa Valley Comment
  UC1300928  Brodiaea elegans subsp. elegans Helen K. Sharsmith 1962-6-3 5110 Napa Napa-Soda Springs road 152 Comment
  JEPS110912  Brodiaea leptandra Jake Ruygt 1982-7-18 1372 Napa Deer Park Rd. at Four Corners 414 Comment
  UC657700  Brodiaea leptandra Milo S. Baker 1941-6-30 10158 Napa n road from Silverado Trail, along highway to Howell Mt. Comment
  UCD148580  Brodiaea leptandra Jake Ruygt 1992-5-25 3006 Napa Napa County; north of Leoma Lakes near access road to Wild Horse Valley Reservation. 411 Comment
  CAS-BOT-BC486435  Brodiaea terrestris subsp. terrestris Peter H. Raven 1950-5-6 2023 Napa Sulpher flats and hot springs near Old Faithful Geyser midway between Rt. 28 and Rt. 29 about 2 miles N. of Calistoga. 182 Comment
  CAS-BOT-BC144329  Bromus Carl B. Wolf 1928-5-3 1817 Napa 2 miles south of Hawkins Mount Inn Camp. Comment
  SBBG118107  Bromus C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  SEINET9361734  Bromus Unknown 1961-6-12 5902 Napa Napa Comment
  UCD18146  Bromus arenarius Jean Shepard; with PLB 102 class 2000-4-29 201 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
  SEINET10839784  Bromus arvensis Ana Maria Planchuelo 1980-1 Planchuelo 508 Napa Route 128 between winters and rutherford. Comment
  SEINET201050 Image available Bromus carinatus var. carinatus J. P. Tracy 1902-5-21 1580 Napa Dry hillside 457 Comment
  SEINET238874 Image available Bromus carinatus var. carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD81827  Bromus carinatus var. carinatus Ellen Dean 2009-4-24 5454 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCR152263  Bromus catharticus Beecher Crampton 1961-6-12 5902 Napa Inner North Coast Ranges, 7 miles northeast of city of Napa, summit along State Highway 37 396 Comment
  JEPS123001  Bromus catharticus var. elatus Jake Ruygt 1995-4-8 3417 Napa Silverado Trail at Souza Lane, Napa. Quad: Napa. Comment
  CAS-BOT-BC155988  Bromus diandrus Peter H. Raven 1953-5-2 5360 Napa Along railroad tracks. Yountville. 76 Comment
  UC60218  Bromus diandrus Willis L. Jepson Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  UCD58677  Bromus hordeaceus Michael Fleschner 1965-5-13 13 14 Napa In Cedar Valley, north of Lake Berryessa. Off the road from Knoxville to Lower Lake. Comment
  UCR49730  Bromus hordeaceus J. Nevin 1987-5-22 36 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  CAS-BOT-BC155330  Bromus laevipes Peter H. Raven 1952-5-31 4151 Napa West of Rector Dam. 182 Comment
  JEPS75643  Bromus laevipes W. L. Jepson 1936-5-31 17567 Napa Napa Range, Howell Mountain Howell Mountain; Napa Range, Howell Mountain Comment
  UCD160749  Bromus laevipes Ellen Dean 2015-5-23 8801 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  UCR152416  Bromus laevipes Beecher Crampton 1967-6-20 8133 Napa 3 mi N of Moskowite Corner at N end of Capell Valley above Capell Creek an Hwy 128 Comment
  HSC43974  Bromus madritensis subsp. rubens Robert M. Specht 1977-4-19 689 Napa Along drainage running NE from Adams Creek. Comment
  SACT000578  Bromus mollis John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 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-BC161830  Bromus rubens Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5333 Napa Pope Creek east of Samuels Springs. 91 Comment
  SACT000713  Bromus rubens John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  UCD57534  Calamagrostis ophitidis Beecher Crampton 1953-5-19 1304 Napa 11 miles east of Rutherford, Chiles Valley. Comment
  UCD57541  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa north end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UC1146620  Calamagrostis rubescens Freed W. Hoffman 1944-7-7 1973 Napa North Coast Ranges; Trinity Road Comment
  UCD18034  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 585 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  JEPS112605  Calandrinia ciliata Jake Ruygt 1979-3-5 438 Napa Trefethen Vineyards 30 Comment
  UCD19941  Calandrinia ciliata E. A. Dean; Virginia Boucher 2002-2-28 899 Napa Quail Ridge Reserve. Along East Rd., 0.4 airline miles N of junction with Hwy 128. 335 Comment
  POM137263  Callitriche verna C. F. Baker 1903-4-19 1998 Napa St. Helena Comment
  CAS-BOT-BC85796  Calocedrus decurrens Carl B. Wolf 1928-2-25 1508 Napa 3 miles north of summit of Mt. St. Helena Grade Comment
  HSC45356  Calochortus amabilis R. York 1978-4-8 103 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  POM222010  Calochortus amabilis W. C. Merrill 1895-06 SN Napa Calistoga Comment
  RSA3285  Calochortus amabilis D. D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UC1134510  Calochortus amabilis A. Lewis 1932-5-18 96 Napa Dry Creek Napa Quad. 152 Comment
  UC1537212  Calochortus amabilis Gordon H. True Jr. 1938-6-21 740 Napa near Lokoya 365 Comment
  CAS-BOT-BC488494  Calochortus amabilis John Thomas Howell 1926-3-21 1730 Napa Calistoga Road one mile below Patten's. Comment
  JEPS61621  Calochortus amabilis W. L. Jepson 1938-5-18 18796 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  SEINET8194276  Calochortus amabilis E. Williams 1964-5-1 s.n. Napa Hamel Mountain. Comment
  UCR212359  Calochortus luteus Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  CAS-BOT-BC492541  Calochortus luteus Alice Eastwood 1915-6-5 4629 Napa Calistoga Comment
  CAS-BOT-BC492543  Calochortus luteus Tom Craig 1941-6-18 s.n. Napa Road between St. Helena and Pope Valley, N.E. of St. Helena Comment
  IRVC19763  Calochortus luteus Anne E. Justice 1981-4-27 s.n. Napa 8.5 miles from Winters on Hwy 128, 1.5 mi before Monticello Dam. Comment
  JEPS61687  Calochortus luteus W. L. Jepson 1943-5-15 20773 Napa 2 mi n Oak Grove School; Berryessa Valley Comment
  SEINET4169986  Calochortus pulchellus H. E. Cott 1949-6-5 A- 120 Napa Along State Hwy. 37, ca. 10 mi from jct. with Hwy. 28 Comment
  UC1586108  Calochortus superbus Barbara Ertter with Annetta Carter 1989-5-28 8501 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road, n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  UCD164687  Calochortus superbus L. P. Thibault 1995-6-2 64 Napa East side of lower Chiles Valley Road, 0.5 miles northwest of Highway 128. 300 Comment
  UC3488  Calochortus uniflorus Willis L. Jepson 1893-5-2 Napa near Calistoga; Napa River Basin, Salt Marsh Comment
  UC457170  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa just nw Calistoga (geysers, nw Napa County) Comment
  CAS-BOT-BC273286  Calycadenia fremontii G. D. Carr 1971-8-6 616 Napa Lower Chiles Valley Rd, 1.3 mi N of its jct with Hwy 128, 11 mi SE of Pope Valley 313 Comment
  JEPS38540  Calycadenia multiglandulosa W. L. Jepson 1916-8-6 6832 Napa Howell Mt. Comment
  SEINET7379697 Image available Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  CAS-BOT-BC270829  Calycadenia pauciflora Gerald D. Carr 1972-8-21 729 Napa 3.0 miles NE of Chiles and Pope Valley Road on Pope Canyon Road 182 Comment
  RSA255601  Calycadenia pauciflora Gerald D. Carr 1971-8-6 620 Napa Lake Hennessy, Hwy. 128, 1.7 miles SW of Chiles-Pope Valley Road Comment
  UCD129808  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles north of Hwy 128. Comment
  UCD129812  Calycadenia pauciflora Gerald D. Carr 1971-8-6 620 Napa Lake Hennessy, Hwy 128, 1.7 miles southwest of Chiles-Pope Valley Road. Comment
  UCD129903  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles north of Spanish Flat of Knoxville-Berryessa Road. 152 Comment
  CAS-BOT-BC270821  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles SE of Lake County line on Morgan Valley Road 609 Comment
  CAS-BOT-BC270828  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles E of Butts Canyon Road on Snell Valley Road 182 Comment
  CAS-BOT-BC270836  Calycadenia pauciflora H. M. Hall 1924-10-10 s.n. Napa From seeds gathered in northern part of county Comment
  RSA255582  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 miles NW of Knoxville on Morgan Valley Road 457 Comment
  UC1876240  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Rd., 10.0 mi SW of Berryessa-Knoxville Rd. Via Devilhead Rd. Comment
  UCD129823  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 1/4 mile west of Berryessa-Knoxville Road on Highway 128. Comment
  UCD129906  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road, 125 yards north of road. Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  JEPS120378  Calycadenia truncata Jake Ruygt 2004-7-31 4634 Napa Buzzards Roost, east of Stags Leap Comment
  JEPS38549  Calycadenia truncata W. L. Jepson 1938-9-28 19044 Napa between Four Corners and Sanitarium at the hairpin turn in road Four Corners Comment
  UC726256  Calycadenia truncata A. A. Heller 1941-9-22 16317 Napa 1 mi n of, on roadside bank Yountville Comment
  CAS-BOT-BC271572  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  JEPS46420  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  RSA1009  Calycanthus occidentalis J. T. Howell 1927-8-23 680 Napa Sage Canon, Napa Range. 91 Comment
  RSA491725  Calycanthus occidentalis James L. Reveal 1987-6-7 6395 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 610 Comment
  RSA602914  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  UC521695  Calycanthus occidentalis Joseph Andorfer Ewan 1933-9-17 8010 Napa 2.5 mi out Calistoga (Mt. St. Helena summit road); Mt. St. Helena Comment
  UCD170556  Calycanthus occidentalis D. O. Burge 2017-8-19 2284 Napa Lake Hennessey area, roadside on California State Route 128. 67 Comment
  UCR198051  Calycanthus occidentalis Lisa Montany 1985-6-1 33 Napa Hwy 128, 0.5 mi west of Conn Dam, north of road in clearing near creek 76 Comment
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  CDA33443  Calystegia collina subsp. collina Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  JEPS77949  Calystegia collina subsp. collina Edward Lee 1936-3-15 1816 Napa Butt's Canyon, from Rutherford to Pope Valley Comment
  UC140319  Calystegia collina subsp. collina C. F. Baker 1903-5-8 2968 Napa Knoxville Comment
  UC1965405  Calystegia occidentalis R. K. Brummitt, B. Ertter and J. A. Ruygt 2012-6-16 22058 Napa Napa City, Alston Park near Dry Creek Road Comment
  SBBG5771  Calystegia purpurata H. and M. Dearing 1939-5-3 3269 Napa Rutherford-Sage Cyn Rd Comment
  CAS-BOT-BC224630  Calystegia purpurata subsp. purpurata John Thomas Howell 1931-4-3 6119 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range 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
  UCD161219  Calystegia purpurata subsp. purpurata Ruygt 1998-5-16 3969 Napa Maggie's Peak, south of Bismark Knob. 603 Comment
  UCD167099  Calystegia purpurata subsp. purpurata Jake Ruygt 2015-6-13 6133 Napa Fernandes - Snell Peak, Land Trust. 347 Comment
  UCD168575  Calystegia purpurata subsp. purpurata Stephen P. Rae; A. Solomeshch 2007-4-10 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD161221  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1981-5-13 1023 Napa American Canyon, 0.3 miles east of Flosden Road. (Note from label maker: the township/range data provided with this record does not agree with the location. Record was georeferenced according to location data) 164 Comment
  JEPS122759  Camissoniopsis hirtella Jake Ruygt 2005-6-1 4885 c Napa Blue Ridge, about 1 mile north of Mays Flat. Quad: Knoxville. Comment
  UC679525  Campanula angustiflora Milo S. Baker 1942-5-27 10203 Napa along boundary between Napa and Sonoma Counties (n of summit of Spring Mt. Road from Santa Rosa toward town of St. Helena) Comment
  CAS-BOT-BC37118  Capsella bursa-pastoris Elsa G. Ruckert 1960-2-20 3 Napa 6495 Dry Creek Road. Southwest of house. 365 Comment
  RSA17721  Cardamine californica var. integrifolia Elmer I. Applegate 1932-3-22 7032 Napa Crater region, Mayacama Mountains; 4 miles N of Calistoga. Comment
  UCD18021  Cardamine pachystigma Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 566 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  CDA6879  Carduus pycnocephalus T. C. Fuller 1959-5-15 2432 Napa Fanner property, Sanitarium area. 0 Comment
  UCD159927  Carduus pycnocephalus subsp. pycnocephalus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  SBBG14800  Carduus pycnocephalus subsp. pycnocephalus P. H. Raven 1962-5-31 17922 Napa ca. 3.8 mi N of jct of St Hwy 37 with rd to Fairfield Comment
  POM118370  Carex Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC50828  Carex amplifolia J. P. Tracy 1902-5-21 1606 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  UC826509  Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa in a canyon NW of Napa Comment
  JEPS121351  Carex barbarae Jake Ruygt 2006-4-15 4990 Napa S. of Yountville, w. side of Hwy 29. Comment
  JEPS63519  Carex barbarae W. L. Jepson 1934-10-19 16900 Napa Napa River near St. Helena Comment
  SEINET7551520 Image available Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa Northwest Napa. Comment
  CDA10951  Carex bolanderi G. F. Hrusa, G. L. Stebbins 1994-4-8 11709 Napa North Coast Biodiversity Arena; Las Posadas State Forest. On moist rocks in streambed of upper Moores Creek. Deep shade under redwoods. Comment
  UC1103107  Carex bolanderi J. P. Tracy 1902-5-21 1597 Napa Howell Mountain, head of Moore's Creek, 3-4 mi E of Angwin's 335 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-BC18905  Carex densa Elsa G. Ruckert 1960-4-29 126 Napa Pond, 300 yards from house, 6495 Dry Creek Road. 365 Comment
  CAS-BOT-BC35066  Carex densa Alice Eastwood; John Thomas Howell 1938-5-15 5522 Napa Myrtledale Hot Springs. Comment
  UC824766  Carex densa Lewis S. Rose 1935-6-4 35193 Napa Roadside ditch Oakville Comment
  UCD161691  Carex densa Jake Ruygt 2010-5-20 5573 Napa Highway 29 north of Yount Mill Road, west side of road. (Coordinates converted from UTM data by label maker.) 45 Comment
  UCD161704  Carex densa Jake Ruygt 2010-6-5 5596 Napa Moskowite Corner, Highway 128 and 121. 252 Comment
  JEPS121349  Carex dudleyi Jake Ruygt 1996-4-20 3619 c Napa Jameson Canyon Vineyards entry road. Comment
  UC836001  Carex feta Wilhelm N. Suksdorf 1913-7-28 707 Napa n Napa Comment
  UC50830  Carex multicaulis J. P. Tracy 1902-5-21 1616 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 487 Comment
  UCD168730  Carex multicostata Stephen P. Rae; A. Solomeshch 2007-5-25 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
  CAS-BOT-BC119519  Carex nudata Ira L. Wiggins 1932-3-12 5753 Napa Rocky bed of N fork of Napa River, 1 mi N of Calistoga. 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
  UCD140693  Carex nudata G. F. Hrusa 1996-4-20 12823 Napa draining the Palisades from Cub Valley. MonteSol Ranch. 550 Comment
  CAS-BOT-BC119513  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  SEINET7569433 Image available Carex nudata Lewis S. Rose 1961-3-30 61024 Napa Conn Reservoir, Lake Hennessy. 61 Comment
  JEPS121327  Carex praegracilis Jake Ruygt 2002-4-1 4382 Napa Bothe State Park, north of office; parking area. Comment
  CAS-BOT-BC117618  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon 304 Comment
  CAS-BOT-BC117619  Carex serratodens R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6687 Napa Butts Canyon. 10 mi N of Howell Mt. Comment
  UCD140839  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa above Capell Creek, north end of Capell Valley, along State Highway 128. Comment
  UCD20740  Carex serratodens E. Dean; w/ PLB 102 class 2002-4-4 1001 Napa McLaughlin UC Reserve. Along Knoxville-Berryesa road just W of turnoff to old town of Knoxville, S side of road. 426 Comment
  UCD41411  Carex serratodens Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 125 Napa Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, near the next stream-crossing W of the confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  RSA98669  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon. 244 Comment
  UCD161750  Carex subbracteata Jake Ruygt 1996-3-17 3523 Napa Highway 29 at Heitz Way, south of Calistoga. 94 Comment
  UCD161359  Carex tumulicola Jake Ruygt 1988-4-11 2148 a Napa Ridge between American Canyon and Newell Canyon. (Coordinates estimated by label maker at UC Davis). 140 Comment
  UCD167171  Carex tumulicola Jake Ruygt 2015-4-24 6081 Napa Sutro Ranch, east side of Atlas Peak. 629 Comment
  SEINET13331028 Image available Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa Scattered patches in dry pasture F.J. Tamangi property, W. of Silverado Trail, 0.5 mi. N. of Larkmead Lane, 2 mi. SE of Calistoga Comment
  RSA296388  Castilleja affinis W. L. Jepson 1938-5-24 18839 Napa Near Four Corners, Howell Mountain. Comment
  UCD122147  Castilleja affinis K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forest. Comment
  JEPS54488  Castilleja affinis subsp. affinis Robert Cruden 1967-5-27 1247 Napa 3 mi ne Angwin (Ink Grade) 487 Comment
  UC1281079  Castilleja affinis subsp. affinis H. E. McMinn 1923-5-25 959 Napa between Rockville and Wooden Valley; Suisun Creek Comment
  JEPS35588  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1366 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  UC457174  Castilleja affinis subsp. affinis David D. Keck 1931-4-2 1042 Napa 10 mi from Napa (between Wooden Valley and Monticello, e base of Napa Range); Napa Range Comment
  SEINET10702279 Image available Castilleja ambigua A. Arthur Heller 1902-5-24 Heller 5601 Napa Near Napa. Comment
  UC1334851  Castilleja ambigua subsp. ambigua L. D. Thurman 1964-4-24 427 Napa 5.5 mi n Napa (Silverado trail) Comment
  UC1001198  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due e. of Yountville Comment
  JEPS3803  Castilleja applegatei subsp. martinii W. L. Jepson 1894-7-19 Napa near Molly Patton's (Toll House) at summit (old grade over Mt. St. Helena); Mt. St. Helena 731 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
  UCD122283  Castilleja applegatei subsp. martinii Alan P. Godlewski 1974-5-3 s.n. Napa West of Lake Berryessa, 100 yds. From Highway 128. Comment
  JEPS122768  Castilleja attenuata Jake Ruygt 2011-5-28 5795 Napa Atlas Peak Road, south of Foss Valley, Mead Ranch. Quad: Yountville. Comment
  UCD116985  Castilleja attenuata Jillian Howard; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. 0.1 miles NE of fire station, north side of dirt road. 518 Comment
  JEPS110626  Castilleja densiflora subsp. densiflora Jake Ruygt 1992-4-29 2916 Napa Johnson's Meadow, Wild Horse Valley Ranch 420 Comment
  UCD170444  Castilleja exserta Daniel Potter; Ninh Khuu 2017-5-14 916 Napa Knoxville Wildlife Area, along Nevada Creek. 355 Comment
  POM182709  Castilleja foliolosa D. D. Keck 1931-4-2 1020 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD122551  Castilleja foliolosa R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD170838  Castilleja foliolosa 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. Above Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 200 Comment
  UC1238986  Castilleja foliolosa Freed W. Hoffman 1946-8-21 865 Napa Hunting Creek North Coast Ranges (Napa-Lake county line) Comment
  UCD122498  Castilleja foliolosa D. H. Hartmann 1942-3-6 s.n. Napa Green Valley. Comment
  SFV11129  Castilleja rubicundula subsp. lithospermoides F. M. Ball May 1961 Napa Route 29 north of Calistoga. 305 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
  HSC44027  Caulanthus lasiophyllus Robert M. Specht 1977-4-13 649 Napa 524 Comment
  CAS-BOT-BC83849  Ceanothus confusus D. O. Burge 2008-6-1 1006 c Napa Mount Saint Helena, eastern slopw of SE-most peak 1000 Comment
  UC18314  Ceanothus confusus Willis L. Jepson 1893-5-4 Napa Mt. St. Helena, trail to first summit Napa River Basin Comment
  CAS-BOT-BC48940  Ceanothus cuneatus Alice Eastwood; John Thomas Howell 1939-6-11 7422 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC48941  Ceanothus cuneatus John Thomas Howell 1930-7-13 5364 Napa Crater Country Comment
  CAS-BOT-BC48944  Ceanothus cuneatus Frank A. Leach 1921-3-1 s.n. Napa hills back of Napa asylum Comment
  RSA399087  Ceanothus cuneatus Bonnie C. Templeton 1957-6-26 s.n. Napa Between Calistoga and Petrified Forest Comment
  SACT002917  Ceanothus cuneatus John Willoughby 1976-6-4 Napa Collected near top of Mount Vaca, in chaparral. Young individual which germintaed following fire that occured here. Leaves toothed. Comment
  RSA755233  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 DOB 899 c Napa Vaca Mts.: on E-W trending ridge S of East Mitchel Canyon, 15.2 road miles W of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 degrees true ENE of Rutherford. 270 Comment
  CAS-BOT-BC49112  Ceanothus cuneatus var. ramulosus W. L. Jepson 1893-5-1 s.n. Napa Franz Valley Grade near Calistoga Comment
  CAS-BOT-BC49788  Ceanothus divergens John Thomas Howell 1941-4-5 16168 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC64438  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  POM161253  Ceanothus divergens R. C. Bacigalupi 1926-3-28 s.n. Napa Between 1st and 3rd summit; Mt. St. Helena Comment
  POM85919  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  RSA261719  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa St. Helena Comment
  SJSU14047  Ceanothus divergens C. L. Schmidt 1987-2-27 1136 Napa Kortum Canyon Rd c. 2 mi SE of Calistoga 298 Comment
  SEINET12211279  Ceanothus divergens W. Knight, Schmidt, C. 1987-1 6058 Napa Kortum Canyon Road 274 Comment
  RSA399074  Ceanothus foliosus Bonnie C. Templeton 1957-6-27 s.n. Napa 4 miles up trinity road near the junction to Oakville Comment
  UCR47953  Ceanothus foliosus Jake Ruygt 1975-5-11 26 Napa Atlas Peak Road, 11.4 mi north of Monticello Road 427 Comment
  CAS-BOT-BC50913  Ceanothus foliosus var. foliosus Brandegee 1889-4-1 s.n. Napa Mt. St. Helena Comment
  SBBG4190  Ceanothus foliosus var. foliosus E. R. Blakley 1956-12-23 2014 Napa trail to Linda Falls, Angwin 426 Comment
  UCD112138  Ceanothus foliosus var. foliosus Heidi E. M. Dobson 1978-5-6 318 Napa East slope of Mt. Veeder. Comment
  UCD164751  Ceanothus foliosus var. foliosus Jake Ruygt 2014-6-7 5974 Napa Livermore Ranch, Montesol. 838 Comment
  UCR219483  Ceanothus foliosus var. foliosus Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  CAS-BOT-BC63748  Ceanothus incanus John Thomas Howell 1934-3-26 11798 Napa Mt. St. Helena near Mountain Mill Hotel. Comment
  CAS-BOT-BC50792  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  UCD148849  Ceanothus integerrimus Ellen Dean; Diana Hickson 2014-4-29 8152 Napa collected along Devilhead Rd in Cupressus woodland on BLM land. Exact location unknown. 487 Comment
  UCD170259  Ceanothus integerrimus D. O. Burge 2016-10-22 2183 Napa Hunting Creek Camp, Hunting Creek watershed. 325 Comment
  CAS-BOT-BC50631  Ceanothus jepsonii H. E. McMinn 1922-8-2 298 Napa Upper Pope Valley along old RR bed Comment
  CAS-BOT-BC50634  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa Howell Mountain, on hills at head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  UC1005696  Ceanothus jepsonii Frank W. Gould 1939-4-7 621 Napa 1 mi n Knoxville (on rd to Lower Lake) 457 Comment
  UCD112065  Ceanothus jepsonii D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  UCD149666  Ceanothus jepsonii 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
  UCD149676  Ceanothus jepsonii 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
  UCD20646  Ceanothus jepsonii R. J. Blenkush; J. H. Richards 2000-1-29 40 Napa McLaughlin Reserve. 1000 feet south of intersection of Hunting Creek Road with Devilhead Road. Collected within the vicinity of the chromite prospect. 536 Comment
  CAS-BOT-BC32694  Ceanothus jepsonii var. albiflorus John Thomas Howell 1931-4-3 6147 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs, Napa Range Comment
  CAS-BOT-BC51128  Ceanothus jepsonii var. albiflorus Peter H. Raven 1951-5-26 2884 Napa Butts Canyon 304 Comment
  UC1070780  Ceanothus jepsonii var. albiflorus A. Lewis May 1932 105 Napa Head Sarco Creek 396 Comment
  RSA0056202  Ceanothus jepsonii var. purpureus Keith E. Hoffmaster 1946-3-23 1226 Napa Napa range, near summit of Napa-Monticello road. Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  UC165826  Ceanothus oliganthus var. sorediatus Joseph P. Tracy 1902-5-22 1627 Napa 3-4 mi e Angwin's (at head of Moore's Creek.); Howell Mt., Northern Coast Ranges 365 Comment
  UCD49126  Ceanothus oliganthus var. sorediatus L. Wynholds; S. Du Plessis, B. Erickson, and C. Mallek 2001-4-14 23 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd. 266 Comment
  UCD67893  Ceanothus oliganthus var. sorediatus F. Takeda 1977-4-16 21 Napa 4.5 mi. SW of Monticello Dam, along Hwy 128, 15 yards off Hwy. 128. Growing on north-facing slope in chaparral. Tree 4 m tall with gray bark, light purple petals, and small flowers. 152 Comment
  CAS-BOT-BC53212  Ceanothus parryi Gilbert Muth 1967-4-9 613 Napa Kidd Canyon, brushy hillside 518 Comment
  CAS-BOT-BC53215  Ceanothus parryi David D. Keck 1931-4-2 1012 Napa Foot Wooden Valley Grade, west base of Napa Range, 4.5 miles NE of Napa 90 Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  UC1197999  Ceanothus parryi Joseph P. Tracy 1899-6-13 385 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC18402  Ceanothus parryi Willis L. Jepson 1894-4-30 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  UC338134  Ceanothus parryi C. C. Parry May 1888 Napa Calistoga Comment
  UC79862  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCD95981  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7070 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
  HSC18366  Ceanothus prostratus C. B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  UCD112669  Ceanothus prostratus G. Ledyard Stebbins Jr. 1964-5-24 6158 Napa Summit of ridge above Aetna Springs. 822 Comment
  RSA10636  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1854 Napa Upper slopes of Mount St. Helena. Comment
  RSA10637  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1853 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC52182  Ceanothus purpureus Milo S. Baker 1942-3-1 10190 Napa Northeast of town of St. Helena on road to Pacific Union College Comment
  CAS-BOT-BC52185  Ceanothus purpureus Peter H. Raven 1953-5-2 s.n. Napa Soda Creek Canyon 2 miles below Foss Valley 335 Comment
  CDA11149  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11560 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Comment
  JEPS42096  Ceanothus purpureus Willis L. Jepson 1893-4-28 14027 Napa Milliken Creek, gorge N of Mt. George Napa River Basin 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
  RSA19010  Ceanothus purpureus J. T. Howell 1937-7-4 s.n. Napa Wooden Valley Grade Comment
  UC870639  Ceanothus purpureus Lewis S. Rose Apr 1939 39069 Napa 4 mi NE of Napa 198 Comment
  UC870640  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
  UCD112679  Ceanothus purpureus Roman Gankin 1966-3-3 685 Napa State Highway 121, 1.9 miles southwest of its junction with Wooden Valley Road. Comment
  UCD123869  Ceanothus purpureus D. O. Burge 2007-5-4 905 e Napa Atlas Road, at roadside 5.7 road miles (9.1 km) north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 deg. (True) NNE of Napa. 410 Comment
  UCD73418  Ceanothus purpureus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CDA35683  Ceanothus purpureus N. van Kleeck 1971-3-21 Napa East side of the Napa Valley. 0 Comment
  JEPS110663  Ceanothus sonomensis Jake Ruygt 1982-3-20 1134 Napa Mt. St. John 530 Comment
  UC1736103  Ceanothus sonomensis Dean W. Taylor 1998-6-3 16455 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UCD130000  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort, Lake Berryessa. Comment
  CAS-BOT-BC277059  Centaurea melitensis Volney Rattan 1897-5-19 s.n. Napa Elmira Comment
  JEPS106531  Centaurium muehlenbergii Jake Ruygt 1996-10-19 3795 Napa Vine Village, corner of Congress Valley Rd and Oln Sonoma Rd 45 Comment
  UCD170454  Centaurium tenuiflorum Daniel Potter; Ninh Khuu 2016-6-8 883 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS46952  Centaurium trichanthum W. L. Jepson 1894-7-19 14635 Napa above Calistoga Comment
  JEPS81885  Centaurium trichanthum Roger Raiche 1982-7-25 20641 Napa Butts Canyon Road Comment
  RSA181383  Centaurium trichanthum James I. McMurphy 1909-8-7 s.n. Napa Warm springs, Calistoga. Comment
  UC1195666  Centaurium trichanthum A. R. Kruckeberg 1947-6-15 1493 Napa 0.7 mi w Knoxville (along Knoxville-Lowre Lake Road) Comment
  UCD35668  Centranthus ruber Beecher Crampton 1960-5-17 5538 Napa About 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  CAS-BOT-BC288605  Centromadia fitchii John Thomas Howell 1930-10-19 5611 Napa 1 mile E of Aetna Springs, Pope Valley Comment
  CAS-BOT-BC288607  Centromadia fitchii Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley Comment
  UCD161620  Centromadia fitchii Jake Ruygt 2004-8-28 4650 Napa east side of Bear Valley. 670 Comment
  CAS-BOT-BC272832  Centromadia parryi subsp. parryi C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  UC990568  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
Read comments
Aug 31 2011
  JEPS88730  Centromadia parryi subsp. parryi Edward Lee Greene 1881-6-1 Napa Calistoga Comment
  UC523517  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi s of Napa Comment
  CAS-BOT-BC222945  Cephalanthus occidentalis H. E. McMinn 1922-8-2 360 Napa Putah Canyon Comment
  UCD164822  Cephalanthus occidentalis Jake Ruygt 2012-6-30 5870 Napa Putah Creek, north of Crystal Flats. 195 Comment
  CDA10896  Cerastium glomeratum G. F. Hrusa, M. Rejmanek 1993-5-15 10991 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS85037  Cerastium glomeratum Larry Heckard and Mary Ashton 1969-5-3 2197 Napa ca. 7 mi. n.e. Napa (Mead Ranch, off Atlas Peak Rd.); Mead Ranch 457 Comment
  UCD118140  Cerastium glomeratum Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station, along undeveloped road, south side of road. 519 Comment
  CAS-BOT-BC179385  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Hwy 128, about 4.5 miles south of Monticello. 167 Comment
  CAS-BOT-BC179387  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville Road. Comment
  JEPS107196  Cercis occidentalis Jake Ruygt 1994-3-26 3335 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 82 Comment
  POM247249  Cercis occidentalis E. K. Crum 1937-8-8 1956 Napa Putah Canyon Creek, seven miles southeast of Monticello. Comment
  POM247250  Cercis occidentalis E. K. Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville road Comment
  UC555385  Cercis occidentalis Herbert L. Mason 1925-1-23 1207 Napa Pope Canyon Comment
  UC1784135  Cercocarpus betuloides Ethel Crum 1930-1 814 Napa St. Helena Comment
  UCD33088  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena Comment
  CAS-BOT-BC284568  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1931-4-19 6459 Napa Conn Valley Comment
  UCD149663  Chaenactis glabriuscula var. heterocarpha 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
  HSC81993  Chaenactis glabriuscula var. heterocarpha Thomas W. Nelson, Jane P. Nelson 1980-5-3 5158 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  HSC100736  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, ~100 yd. E of Eticuera Creek, ~50 yd. S of Eticuera Parking Area at the NE end of causeway, on S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  UC1925871  Chamaesyce serpyllifolia Ethel Crum Oct 1930 912 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  UC1427385  Cheilanthes covillei Alan R. Smith with J. Eckenwalder 1974-5-1 656 Napa junction of Lower Chiles Valley Rd and State Hwy 128 Comment
  CAS-BOT-BC70162  Cheilanthes gracillima Belle Richardson Jackson 1924-10-22 s.n. Napa Top of Mt. St. Helena Comment
  CAS-BOT-BC68161  Cheilanthes intertexta Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5340 Napa North side of Pope Creek between Samuels Springs and Walters Springs 243 Comment
  UCD149718  Chenopodium 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
  CHSC102253  Chenopodium album Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC102272  Chenopodium album Lowell Ahart 2009-10-12 16435 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS106818  Chenopodium ambrosioides Jake Ruygt 1978-9-8 407 Napa Marina Dr. at Napa River 3 Comment
  JEPS106846  Chenopodium berlandieri Jake Ruygt 1998-8-26 4107 Napa Big Ranch Road about 1/2 mile south of El Centro Ave. 16 Comment
  JEPS106821  Chenopodium botrys Jake Ruygt 1981-5-21 1035 Napa Putah Creek just north of Berryessa Estates 134 Comment
  RSA755365  Chenopodium pumilio L. Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  UCD98466  Chenopodium vulvaria Irving Grover 1958-6-24 Napa exact location unknown. Comment
  JEPS126071  Chimaphila menziesii Jake Ruygt 1987-7-11 2068 Napa Between Rattlesnake Springs and Livermore Road. Detert Reservoir 7.5' Quad. Comment
  UCD48758  Chlorogalum pomeridianum M. Eng 2002-5-4 7 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 297 Comment
  UCD166655  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 1978-6-28 370 Napa Partrick Road, 2 miles north of Browns Valley Road. 164 Comment
  CAS-BOT-BC256931  Chorizanthe membranacea Peter H. Raven 1951-6-10 2945 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC256933  Chorizanthe membranacea M. S. Jussel 1937-5-23 s.n. Napa Palisades 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
  JEPS35975  Cichorium intybus W. L. Jepson 1944-7-30 27544 Napa 3 mi s Yountville; Napa Valley Comment
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  UCD38384  Cichorium intybus B. Crampton 1952-11-18 956 Napa About 4 miles n. of Vallejo on road to Napa. Comment
  CAS-BOT-BC278021  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol Comment
  JEPS100844  Cirsium cymosum var. cymosum Dean Wm. Taylor with Mey Akasah 1999-6-3 17222 Napa E of Devilhead road Ridge between Eticuera Creek and Zim Zam Creek; Eticuera Creek, Zim Zam Creek 594 Comment
  CDA1210  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CAS-BOT-BC279969  Cirsium douglasii var. douglasii Gene Cornett 1952-6-2 s.n. Napa Napa Comment
  OBI76873  Cirsium douglasii var. douglasii Neal Kramer 2011-11-29 2030 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  OBI76876  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  CDA1307  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2255 Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CAS-BOT-BC286572  Cirsium occidentale var. venustum Peter H. Raven 1951-5-20 2846 Napa W. Oakville 365 Comment
  CAS-BOT-BC169772  Cistanthe quadripetala Alice Eastwood 1915-6-6 4673 Napa Mt. St. Helena Comment
  UCD167268  Clarkia affinis Jake Ruygt 1998-6-24 4051 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  UCD104022  Clarkia amoena J. Buck 1996-6-2 24 Napa Highway 128 by Hennessey Lake on the side of the road. 48 Comment
  CAS-BOT-BC160920  Clarkia amoena subsp. amoena M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC172178  Clarkia concinna R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6674 Napa Butt's Canyon, 10 mi. N. of Howell Mt. 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-BC172179  Clarkia concinna Peter H. Raven 1950-6-20 2365 Napa Above Conn Valley Comment
  UCD18461  Clarkia concinna William Soper 1983-5-30 26 Napa 3.5 miles west of entrance to Putah Creek Public Fishing Access Rd # 3 on Hwy 128. 91 Comment
  JEPS110768  Clarkia concinna subsp. concinna Jake Ruygt 1976-5-14 72 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  JEPS43619  Clarkia concinna subsp. concinna W. L. Jepson 1904-6-3 2438 Napa St. Helena to Howell Mt. Comment
  UCD164690  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128 approximately 2 miles east of Lower Chiles Valley Road. 300 Comment
  JEPS43610  Clarkia concinna subsp. concinna W. L. Jepson 1908-5-23 3006 Napa hills e St. Helena Comment
  UC762847  Clarkia gracilis subsp. albicaulis R. F. Hoover 1938-6-8 3538 Napa South Fork of Butts Creek Butts Creek Comment
  RSA209533  Clarkia gracilis subsp. gracilis Betty H. Johnson 1958-6-15 624 Napa 6.4 miles SW of Middletown Comment
  JEPS120373  Clarkia gracilis subsp. sonomensis Jake Ruygt 1998-6-13 4025 Napa Redwood Road at Mt. Veeder Road. Napa 7.5' Quad. Comment
  SEINET9313592  Clarkia purpurea Unknown 1993-5-15 10982 Napa Quail Ridge Reserve Comment
  POM271807A  Clarkia purpurea subsp. purpurea Lyman Benson 1935-5-19 6657 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  CAS-BOT-BC163694  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 2819 Napa 4 mi. to Conn Dam from Rutherford 91 Comment
  JEPS110733  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1985-5-11 1592 Napa SE of corner of Butt's Canyon Rd. and Snell Valley Rd. 237 Comment
  JEPS110774  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1987-5-16 1997 Napa Devil's Canyon near waterfall 594 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
  JEPS43562  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1904-6-3 2431 Napa St. Helena to Howell Mt. Comment
  JEPS43572  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1893-6-24 14341 Napa Napa Soda Springs Comment
  UCD104908  Clarkia purpurea subsp. quadrivulnera Beecher Crampton 1950-5-7 566 Napa SE of St. Helena, along the Silverado Trail. Comment
  UCD167278  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2000-5-15 4250 b Napa Henry Road, on old Henry Ranch. 152 Comment
  HSC71065  Clarkia purpurea subsp. viminea J. M. DiTomaso 1980-6-13 1582 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  JEPS110691  Clarkia unguiculata Jake Ruygt 1989-5-7 2302 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  CAS-BOT-BC439131  Claytonia exigua subsp. exigua Ella Dales Cantelow 1939-4-8 2521 Napa 1/2 mi. n.e. of Pacific Union College, Howell Mt. Comment
  CAS-BOT-BC439133  Claytonia exigua subsp. exigua H. L. Mason 1926-3-14 2716 Napa Mount St. Helena Comment
  UC7940  Claytonia exigua subsp. exigua Willis L. Jepson 1893-4-29 Napa reservoir near St. Helena; Napa River Basin Comment
  CAS-BOT-BC439374  Claytonia gypsophiloides L. R. Abrams 1928-5-3 12241 Napa Summit St. Helena Grade Comment
  JEPS43271  Claytonia gypsophiloides W. L. Jepson 1897-5-2 Napa near Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  HSC17749  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi. from Mt. St. Helena Inn Comment
  UCD100506  Claytonia gypsophiloides J. M. Tucker 1953-3-26 2637 Napa slope overlooking Highway 29, Mount Saint Helena, 5.2 miles (by road) north of 'city limit' sign on north side of Calistoga. Comment
  UCD14400  Claytonia parviflora subsp. parviflora Todd Jones 1983-5-29 13 Napa Highway 128, 4.9 mi. north of Moscowite Corner, 15.6 mi. beyond Monticello Dam Comment
  UCD49146  Claytonia perfoliata subsp. perfoliata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 B Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  CAS-BOT-BC91449  Clematis lasiantha J. M. Bigelow 1854-4-27 s.n. Napa Hillsides, Napa Valley. Comment
  UCD95627  Clematis lasiantha Bill Wengeler 1995-4-16 s.n. Napa West of city of Winters; 0.2 mi W of Monticello Dam along Hwy 128. 158 Comment
  UC766312  Collinsia greenei R. F. Hoover 1941-4-26 4918 Napa between Samuel Springs and Walter Springs (Pope Cr) Comment
  RSA42341  Collinsia greenei Lincoln Constance, J. F. Davidson, R. H. Shan, W. H. Wagner 1946-5-18 3046 Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  HSC44029  Collinsia heterophylla Robert M. Specht 1977-5-14 887 Napa Near Jct. of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  UC1196847  Collinsia heterophylla Joseph P. Tracy 1902-5-21 12484 Napa 3-4 mi e of Angwins (Howell Mountain, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  RSA789049  Collinsia heterophylla Carrie A. Herd 1982-5-9 95 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  SEINET13406371  Collinsia sparsiflora M. J. Williams 1967-5-7 s.n. Napa Pope Valley. 198 Comment
  CAS-BOT-BC474520  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena: Franz Valley School Rd, approx. 1 mi E of Napa/Sonoma Co. line 200 Comment
  JEPS77940  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3/4 mi from Rutherford (along Rutherford-Pope Valley rd) Comment
  UC1196820  Collinsia sparsiflora var. arvensis Joseph P. Tracy 1933-4-30 12110 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC147869  Collinsia sparsiflora var. arvensis J. P. Tracy 1902-5-18 1533 Napa 3-4 mi e Angwin (head Moore's Creek); Head Moore's Creek, Howell Mountain 518 Comment
  JEPS34524  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-20 837 Napa Wooden Valley; North Coast Ranges Comment
  JEPS29585  Collinsia sparsiflora var. collina Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8442 Napa 4.8 miles N of Vichy Springs junction (with Calif. 37) along Atlas Peak road; due W of and above Milliken Reservoir. 335 Comment
  JEPS17750  Collinsia sparsiflora var. collina Francia Chisaki 1957-5-30 965 Napa along State Highway 37 Summit of grade between Wooden Valley Creek and Capell Creek 344 Comment
  SEINET4208221  Collinsia sparsiflora var. sparsiflora Richard R. Halse 2013-3-27 8756 Napa Along State Hwy. 128 ca 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners.; 0 239 Comment
  UCD123676  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1995-4-2 12046 Napa Franz Valley School Road, approximately 1 mile east of Napa/Sonoma county line. 200 Comment
  UCD170677  Collinsia sparsiflora var. sparsiflora Matthew Conner; Plant Science 102 class 2018-4-28 13 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. 160 Comment
  UCD48206  Collinsia sparsiflora var. sparsiflora A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 20 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCSB9593  Collinsia sparsiflora var. sparsiflora Keator, Glenn 1959-3-28 Napa south end of Lake Hennessy, Napa range Comment
  JEPS7309  Collinsia tinctoria H. P. Chandler 1907-5-26 7593 Napa White Sulphur Spr St. Helena 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
  UC908766  Collomia heterophylla P. B. Kennedy 1929-5-23 Napa Moore Creek Howell Mountain Comment
  JEPS122712  Conyza bonariensis Jake Ruygt 1995-6-5 3487 Napa About 1.5 miles SE of Sage Canyon Road from boat dock. Quad: Yountville. Comment
  CDA34651  Conyza sumatrensis L. Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS120446  Corallorhiza maculata Jake Ruygt 1986-4-12 1686 Napa North end of Redwood Rd. near Hogback Mountain. Comment
  SEINET10582734  Cordylanthus pilosus Rimo Bacigalupi 1954-8-9 Bacigalupi 4750 Napa Under Pseudotsuga and Acer Macrophyllum. Grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort. Comment
  UC103417  Cordylanthus pilosus subsp. pilosus Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  UC127118  Cordylanthus pilosus subsp. pilosus Harley P. Chandler Sep 7 1906-Sep 14 1906 7116 Napa Howell Mt; Alta Loma Ranch 487 Comment
  OBI9573  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa E side of Mt. St. Helena, about 1/2 mi S of lake co. line Comment
  JEPS55938  Cordylanthus tenuis subsp. brunneus T. I. Chuang and F. M. Chuang 1968-7-24 6485 Napa 10.9 mi n Calistoga Comment
  JEPS80611  Cordylanthus tenuis subsp. brunneus Glenn Clifton 1981-5-27 7848 Napa ca 1 mi sw Knoxville (Devilhead Rd and junction to Hunting Creek) Comment
  SD133720  Cordylanthus tenuis subsp. brunneus T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 A Napa Just south of the Napa and Lake County line, on US Highway 29 Comment
  JEPS50117  Cornus glabrata W. L. Jepson 1924-5-8 10416 Napa e. Napa Co., Pope Creek Comment
  UC142942  Cornus greenei Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
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Feb 20 2009
  UC796621  Cornus nuttallii Ira L. Wiggins 1949-4-30 12090 Napa along draw on n.e. flank of Mt. St. Helena 914 Comment
  UC932002  Cornus nuttallii Verne Grant and Alva Grant 1946-5-26 7634 Napa s.e. slope Mt. St. Helena 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-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  JEPS110659  Cotoneaster pannosus Jake Ruygt 2005-6-12 4920 Napa Monticello Road, 0.9 mi E of Atlas Peak Road 79 Comment
  CAS-BOT-BC291356  Cotula coronopifolia John Thomas Howell 1925-4-11 958 Napa Soscol Comment
  UCD130901  Cotula coronopifolia David Lawfer 1952-4-20 150 Napa Napa. Comment
  UCD18049  Crassula connata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 601 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
  UCD74322  Crepis pulchra Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC1746479  Crepis pulchra Jake Ruygt 1999-5-15 4158 Napa W of Napa (along Patrick Rd., cs 2 mi w of Browns Valley Rd.) 200 Comment
  OBI49310  Crocanthemum scoparium Joseph Andorfer Ewan 1934-4-30 8825 Napa Sarco crk, 4 mi above Napa Comment
  UC1259364  Crypsis schoenoides Barry Hammel 1976-5-30 454 Napa Lake Berryessa Comment
  UCD37518  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  RSA0094670  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  JEPS85017  Cryptantha flaccida Larry Heckard and Mary Ashton 1969-5-3 2227 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 510 Comment
  UC1239659  Cryptantha flaccida J. P. Tracy 1899-6-11 438 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 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
  UCD119788  Cryptantha flaccida K. Esau 1934-5-8 s.n. Napa Putah Canyon. Comment
  CHSC108724  Cryptantha hispidula B. Castro; L. P. Janeway 2002-5-12 1370 Napa Inner North Coast Ranges. Ridge top north of Cedar Creek, along road from Devilhead Road. 579 Comment
  JEPS106699  Cryptantha hispidula Jake Ruygt 1980-4-22 851 Napa .6 miles south of Berryessa-Knoxville Rd on Devilshead Rd. 481 Comment
  JEPS106700  Cryptantha hispidula Jake Ruygt 1993-4-12 3205 c Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  UC857146  Cryptantha hispidula Milo S. Baker 1938-4-29 8939 Napa e of Pope Valley (along road from Monticello) Comment
  UC998323  Cryptantha hispidula Milo S. Baker 1938-4-29 8939 Napa e of Pope Valley (along road from Monticello) Comment
  UCD18062  Cryptantha hispidula Ellen Dean; with Plant Biology 102 class 2000-4-22 617 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD63863  Cryptantha hispidula Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. Knoxville Public Lands close to Hunting Creek. 650 Comment
  JEPS106740  Cryptantha microstachys Jake Ruygt 1995-4-29 3452 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  SEINET3930653  Cupressus macnabiana David Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UCD47751  Cupressus macnabiana J Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk. 2000-4-22 14 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD67772  Cupressus macnabiana D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  NY16702  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC85487  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-16 2149 Napa above Aetna Springs about 1/2 mi. SW of Quicksilver Mine 457 Comment
  CAS-BOT-BC85490  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 277 Napa Pope Creek in Pope Canyon Comment
  CDA11162  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11574 Napa North Coast Biodiversity Arena; 2 m. NW of Aetna Springs along Schwartz Ck. Rd. Comment
  RSA129445  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calistoga - Middletown: 3 miles east of Mt. St. Helena 610 Comment
  RSA17620  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 457 Comment
  SEINET3863406 Image available Cupressus sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 miles north of Pope Valley.; 0 Comment
  UCD133631  Cupressus sargentii D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  NY16831  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
  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
  SEINET13289871 Image available Cupressus sargentii C. G. Pringle 1882-1 s.n. Napa near Calistoga Comment
  JEPS120413  Cuscuta Jake Ruygt 2010-6-19 5608 Napa Berryessa-Knoxville Rd. north of Knoxvile site, at vernal pool. Comment
  CAS-BOT-BC190215  Cynodon dactylon Peter H. Raven 1951-6-24 3003 Napa Napa. 30 Comment
  UCD117918  Cynoglossum grande Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  UCD169892  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  CAS-BOT-BC190360  Cynosurus echinatus Peter H. Raven 1952-5-26 4068 Napa Steel Canyon. 304 Comment
  JEPS121340  Cyperus aristatus Jake Ruygt 1991-6-29 2746 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  UCD19926  Cyperus eragrostis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 781 Napa Quail Ridge Reserve. Decker Bay trail. 137 Comment
  CAS-BOT-BC114676  Cyperus eragrostis Betty H. Johnson 1958-6-20 s.n. Napa Along moist sandy edge of stream, near Mt. Mill House, 6.4 mi SW of Middletown. Comment
  UC204265  Cyperus eragrostis A. D. E. Elmer July, 1903 4656 Napa Napa Comment
  UC579871  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  CHSC102286  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 Winters. 133 Comment
  SD211488  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 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
  SEINET3909600  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges.; 0 91 Comment
  UC608776  Cyperus niger Beryl O. Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch 121 Comment
  UCD161533  Cyperus niger Jake Ruygt 1991-7-26 2800 Napa road from Johnson's Meadow to Wooden Valley Wild Horse Valley Ranch. 207 Comment
  UC1563684  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa ca 15 air mi nnw Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CAS-BOT-BC70741  Cystopteris fragilis Peter H. Raven 1953-4-2 5292 Napa Tulucay Creek 243 Comment
  UCD161700  Damasonium californicum Jake Ruygt 2010-6-7 5600 Napa Crystal Lake, west of Capell Canyon. (Coordinates converted from UTM data by label maker.) 362 Comment
  UCR30537  Danthonia californica John C. Roos 1939-5-13 272 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  RSA431669  Datisca glomerata E. S. Spalding 1924-7-4 s.n. Napa Near St. Helena; canyon beyond White Sulphur Springs. Comment
  UCSB4261  Datisca glomerata Kamb, Peter 1950-6-9 Napa 5 miles south of Monticello, on California #37 Comment
  JEPS129149  Delairea odorata Jake Ruygt 1981-12-26 1091 Napa 0.65 miles NE of Monte Vista on Montecito Drive. Napa 7.5' Quad. Comment
  HSC43970  Delphinium hesperium Robert M. Specht 1977-5-14 896 Napa S side of Morgan Valley Rd. near junction with Develhead Rd. 457 Comment
  HSC47887  Delphinium hesperium H. Lewis, G. Mehlquist 1941-5-9 Napa Monticello to Napa Rd. 1.5 mi. S of rd. to St. Helena Comment
  RSA0005311  Delphinium hesperium Joseph A. Ewan 1934-4-30 8835 Napa Ditch at edge of cultivated field along Steel Canyon Road, 1/2 mi. from junction with Monticello-Winters Road. 1 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
  JEPS110726  Delphinium hesperium subsp. hesperium Jake Ruygt 1998-5-20 3991 Napa Sage Canyon Road about 1/3 mile west of inter. Chiles-Pope Rd 100 Comment
Read comments
Aug 15 2010
  CAS-BOT-BC10110  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC10111  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS127855  Delphinium hesperium subsp. pallescens Adam C. Schneider with Will Freyman 2014-5-17 600 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road). Comment
  LA38205  Delphinium hesperium subsp. pallescens Mehlquist; Baker 319 Napa 2 mi. N of Knoxville on rd. to Reiff Comment
  UC1031406  Delphinium hesperium subsp. pallescens H. Lewis and G. Mehlquist 1941-5-9 Napa 13.4 mi n Monticello Comment
  CDA11174  Delphinium nudicaule G. F. Hrusa 1988-4-16 5538 Napa North Coast Biodiversity Arena; Hwy. 128 ~ 2 miles S of Lower Chiles Valley Rd. 140 Comment
  JEPS23353  Delphinium nudicaule Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Comment
  UC160908  Delphinium nudicaule Joseph P. Tracy 1902-5-15 1478 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC9209  Delphinium nudicaule Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  UCD95880  Delphinium nudicaule Heidi E. M. Dobson 1978-4-8 296 Napa East slope of Mt. Veeder. Comment
  UCD96061  Delphinium nudicaule G. L. Webster 1967-3-23 7487 Napa Along Chiles Creek c. 1 mi. SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  HSC24996  Delphinium nudicaule Greg Bos 1963-3-24 43 Napa NW end of Lake Barryesa at Putah Creek 168 Comment
  UCD95892  Delphinium nudicaule H. MacKenzie 1949-4-26 s.n. Napa 5 miles west of St. Helena. Comment
  UC1126049  Delphinium patens A. Lewis 1932-5-13 73 Napa Calabasas Creek Napa Quadrangle 365 Comment
  UC160910  Delphinium patens Joseph P. Tracy 1902-5-15 1475 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC635351  Delphinium patens A. E. Borell 1928-4-13 123 Napa ten mi s Petaluma Comment
Read comments
Apr 19 2013
  CAS-BOT-BC116491  Delphinium patens subsp. patens Alice Eastwood 1915-6-6 4688 Napa Mt. St. Helena Comment
  CAS-BOT-BC116498  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
  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
  JEPS23343  Delphinium uliginosum J. P. Tracy 1899-6-13 354 Napa Howell Mt. Comment
  JEPS41077  Delphinium uliginosum Rimo Bacigalupi and L. R. Heckard 1965-5-16 9100 Napa ca 7 mi se Knoxville (at head of Devilhead Rd, meadow at center of Valley); Cedar Valley 579 Comment
  SFV1290  Delphinium uliginosum A. Day 1965-5-15 65 126 Napa Cedar Valley, west of Lake Berryessa. Comment
  SEINET3824804 Image available Delphinium uliginosum Unknown 1982-6-1 s.n. Napa 9.9 miles south of Middletown Lake or Napa county Comment
  CAS-BOT-BC17175  Delphinium variegatum Hilda Smyth 1899-1-1 s.n. Napa near Napa Comment
  UCD147535  Delphinium variegatum Ellen Dean; Diana Hickson 2014-4-29 8089 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  LA207590  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa 16.2 mi. N of Monticello Comment
  RSA701031  Delphinium variegatum Wilma Griset 1931-3-29 44 Napa [Unspecified] Comment
  JEPS23365  Delphinium variegatum subsp. apiculatum Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin (= Yountville) Comment
  JEPS110871  Delphinium variegatum subsp. variegatum Jake Ruygt 1982-4-18 1188 Napa Calistoga Grade on Mt. St. Helena 350 Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  UCD35337  Dendromecon rigida Beecher Crampton 1955-5-10 2770 Napa 6 miles south of Middletown. Comment
  CAS-BOT-BC655  Dendromecon rigida subsp. rigida Elmer Ivan Applegate 1934-3-31 8866 Napa Putah Creek region, Mayacama mountains, south of Cobb Mt. Comment
  CAS-BOT-BC661  Dendromecon rigida subsp. rigida Alice Eastwood 1918-5-1 6860 Napa Mt. St. Helena Comment
  SEINET11687431  Deschampsia cespitosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -318 Napa along Butts Canyon Rd near jct with Snell Valley Rd enroute to Berryessa Estates along Butts Creek 250 Comment
  SEINET10897195  Deschampsia danthonioides Unknown 1854-1 Anonymous s.n. Napa Comment
  CAS-BOT-BC499420  Dichelostemma capitatum Belle Richardson Jackson 1938-5-29 s.n. Napa Road to Mt. Atlas Comment
  CHSC27760  Dichelostemma capitatum subsp. capitatum Ethel Pearson 1978-3-24 1 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  UCD139189  Dichelostemma capitatum subsp. capitatum J. D. Clark 1995-5-27 18 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UCD18070  Dichelostemma capitatum subsp. capitatum Ellen Dean; with Plant Biology 102 class 2000-4-22 625 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD48780  Dichelostemma capitatum subsp. capitatum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  POM169428  Dichelostemma capitatum subsp. capitatum C. F. Baker 1903-4-20 2612 Napa Mt. St. Helena. Comment
  RSA195380  Dichelostemma capitatum subsp. capitatum Gilbert Muth 1967-4-16 637 Napa Snell Valley. 183 Comment
  SEINET3885705  Dichelostemma pulchellum Linda Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road.; 0 183 Comment
  UCD48784  Dichelostemma volubile S. Murphy; K. Keck and K. Dyer 2002-5-5 16 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 400 m. from intersection of West and East roads, S-side of upper road leading to power lines and tip parcels. 388 Comment
  RSA183470  Dichelostemma volubile Michael Flescher 1965-5-13 13 -10 Napa Along Zim Zim Creek, near Cedar Valley, N of Lake Berryessa off the road from Knoxville to Lower Lake. Comment
  CAS-BOT-BC153782  Diplacus angustatus Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  CHSC83411  Diplacus aurantiacus L. P. Janeway; B. Castro 2002-5-12 7547 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  CAS-BOT-BC152183  Diplacus bolanderi Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5336 Napa Pope Creek e. of Samuels Springs 91 Comment
  CAS-BOT-BC151960  Diplacus douglasii Maxine Wilkes 1940-5-1 s.n. Napa Headwaters of St. Helena Creek Comment
  CHSC25142  Diplacus grandiflorus J. E. Beitler 1970-4-19 30 Napa St. Helena. Directly opposite dam of Upper Spring Mountain reservoir on E. side of Spring Mountain Road. Comment
  JEPS129061  Dipsacus fullonum Jake Ruygt 1986-6-28 1841 Napa Tubbs Lane at Myrtledale Road, Calistoga. Calistoga 7.5' Quad. Comment
  JEPS61822  Disporum hookeri Willis L. Jepson 1893-4-25 Napa w of St. Helena (Napa River Basin, Trail to Caux's Cabin); Napa River Basin, Trail to Caux's Cabin Comment
  UC3565  Disporum hookeri Willis L. Jepson 1894-5-1 Napa Napa River Basin, Rebecca Ranch Grade Napa River Basin; , Rebecca Ranch Grade Comment
  UC796623  Disporum hookeri Ira L. Wiggins 1949-4-30 12088 Napa Mount St. Helena 914 Comment
  JEPS122985  Distichlis spicata Jake Ruygt 1982-6-29 1352 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. Comment
  UCD64468  Distichlis spicata A. A. Beetle 1946-5-7 4260 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  RSA604106  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa along trail running along southwest side of Lake Bereyessa, 100 m from Knoxville Rd. 250 Comment
  UC105761  Dodecatheon hendersonii Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UC917150  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa on Pope Valley Road two mi from St. Helena; 2 mi from 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
  JEPS106561  Downingia bicornuta var. bicornuta Jake Ruygt 1993-5-1 3244 Napa Pope Canyon Rd at large vernal pond 187 Comment
  UC1189261  Downingia concolor var. concolor Joseph P. Tracy 1950-5-23 18673 Napa 3 mi e Angwin's; Howell Mountain, La Jota Plateau 518 Comment
  JEPS106782  Draba verna Jake Ruygt 1993-4-3 3184 Napa Little Bear Valley 670 Comment
  UCD170196  Draba verna Daniel Potter 2015-3-14 761 Napa Knoxville Wildlife Area, near small creek southwest of Zim Zim Creek. 303 Comment
  UCD19949  Draba verna Ellen Dean; Virginia Boucher 2002-2-28 892 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  CAS-BOT-BC157775  Drymocallis glandulosa var. glandulosa E. Ruckert 1960-5-8 146 Napa 6495 Dry Creek Road; field west of gate spring 365 Comment
  CAS-BOT-BC157777  Drymocallis glandulosa var. glandulosa Peter H. Raven 1950-4-15 1764 Napa Wooden Valley Grade above Napa 457 Comment
  JEPS110553  Drymocallis glandulosa var. glandulosa Jake Ruygt 1995-4-24 3446 Napa Mt. Veeder Road south of Lakoya Road, (Franciscan Estate) 304 Comment
  CAS-BOT-BC70946  Dryopteris arguta 1899-7-1 s.n. Napa Mt. St. Helena Comment
  UC166484  Dudleya cymosa Joseph P. Tracy 1902-5-22 1630 Napa 3-4 mi e Angwin's (on hills at head of More's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UCD101883  Dudleya cymosa P. B. Caitlin 1957-5-16 37 Napa along Putah Creek, 8.4 miles west of Pope Valley. 30 Comment
  UCD101898  Dudleya cymosa M. Wiesendanger 1927-5-4 678 Napa Near Monticello. Comment
  JEPS48602  Dudleya cymosa W. L. Jepson 1914-5-15 20780 Napa Knoxville Ridge Comment
  UCD101886  Dudleya cymosa Michael Fleschner 1965-5-13 13 - Napa next to Zim Zam Creek near Cedar Valley, west of Berryessa Knoxville Road, north of Lake Berryessa. Comment
  CAS-BOT-BC428111  Dudleya cymosa subsp. cymosa S. M. Carpenter 1952-4-20 46 Napa Near Samuel's Springs 106 Comment
  CAS-BOT-BC428152  Dudleya cymosa subsp. cymosa J. Clausen 1935-5-22 1066 Napa 19.5 mi. S.E. of Lower Lake, on the Monticello road Comment
  JEPS126102  Dysphania pumilio Jake Ruygt 1991-6-29 2760 Napa 3.2 miles north of Pope Canyon Road on Barryessa-Knoxville Road. Walter Springs 7.5' Qua. Comment
  UC585508  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa (between Calistoga and Mt. St. Helena) Sullivan's Halfway Station 111 Comment
  SEINET3928609  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena).; 0 111 Comment
  JEPS126136  Elatine brachysperma Jake Ruygt 2004-5-29 4610 Napa Bear Valley at the pond. Detert Reservoir 7.5' Qua. Comment
  CAS-BOT-BC112661  Eleocharis parvula Peter H. Raven 1953-10-4 6367 Napa Tidal wash, Duttons Landing. 0 Comment
  CAS-BOT-BC451525  Elodea canadensis Peter H. Raven 1952-5-31 4110 Napa Conn Cr. e. of Yountville 45 Comment
  UC187088  Elymus glaucus J. P. Tracy 1902-5-21 1595 Napa 3-4 mi e Angwin (head of creek); Howell Mountain, Morre's Creek 396 Comment
  UCD20736  Elymus glaucus Ellen Dean; w/ Mark Bibbo 2002-6-17 1100 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. In the middle of the road. 190 Comment
  JEPS76121  Elymus glaucus subsp. glaucus W. L. Jepson 1938-6-8 18895 Napa Butts Canyon South Fork Butts Creek Comment
  JEPS75635  Elymus glaucus subsp. jepsonii W. L. Jepson 1936-5-28 17542 Napa Adam-and-Eve Ridge Howell Mt. Comment
  JEPS122977  Elymus multisetus Jake Ruygt 1991-6-10 2718 Napa Cookesley Lake, Friesen's Lakes. Quad: Saint Helena. Comment
  UCD160740  Elymus multisetus Ellen Dean 2015-5-23 8792 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD170450  Elymus ponticus Daniel Potter; Ninh Khuu 2016-6-8 879 Napa Knoxville Wildlife Area, flat grassy area just east of Berryessa-Knoxville Road, just south of barn. 235 Comment
  JEPS110701  Epilobium campestre Jake Ruygt 1986-6-21 1830 Napa west end of Soscol Rd. below Southern Crossing HWY 29 4 Comment
  JEPS38235  Epilobium campestre W. L. Jepson 1936-6-2 17609 Napa 2 mi s Yount School; e. side Napa Valley Comment
  JEPS122733  Epilobium canum Jake Ruygt 1997-11-1 3875 Napa Buzzards Roost. Quad: Yountville. Comment
  CAS-BOT-BC166343  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi. west of Monticello on road to [Lowerlake] Lower Lake Comment
  RSA39634B  Epilobium canum subsp. canum P. A. Munz 1947-10-10 12215 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  UC1299425  Epilobium canum subsp. canum Freed W. Hoffman 1946-8-20 850 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  UCD167252  Epilobium ciliatum subsp. ciliatum Jake Ruygt 1978-7-10 385 Napa 2465 Redwood Road, Napa. 30 Comment
  UC19944  Epilobium densiflorum F. T. Bioletti 1892-8-15 Napa Napa Junction 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
  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
  JEPS38215  Epilobium torreyi Willis L. Jepson 1893-6-26 14409 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  SEINET8512943 Image available Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 mi. above Recreation Beach Comment
  UCD138947  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach. Comment
  JEPS103962  Equisetum laevigatum Jake Ruygt 1988-4-18 2158 Napa Newell Canyon 60 Comment
  UCD167087  Equisetum laevigatum Jake Ruygt 2010-4-25 5523 Napa Putah Creek near confluence with Hunting Creek. 179 Comment
  JEPS116561  Equisetum telmateia var. braunii Jake Ruygt 1991-4-17 2623 Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Rutherford 7.5' Quad. Comment
  RSA756432  Eragrostis hypnoides Barbara Ertter, Elizabeth Neese 1988-10-2 7972 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  UCD116241  Eremalche parryi Eric S. Nagy 1990-4-29 005 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  JEPS106940  Ericameria arborescens Jake Ruygt 1991-12-7 2849 Napa Mead Ranch, Atlas Peak Rd, ridge over Soda Canyon 554 Comment
  UC87827  Erigeron biolettii T. S. Brandegee Napa Howell Mountain Comment
  UCD161573  Erigeron foliosus var. franciscensis Jake Ruygt 2006-7-3 5068 Napa Mead Ranch, west of the big barn. 481 Comment
  UCD164737  Erigeron greenei Jake Ruygt 2014-6-23 6012 Napa Sutro Ranch southeast, Atlas Peak. 731 Comment
  UCD161327  Erigeron philadelphicus Jake Ruygt 1980-5-4 871 Napa Bear Valley. (Coordinates estimated by label maker at UC Davis). 621 Comment
  UCD63172  Erigeron reductus var. angustatus Jake Ruygt 2007-7-1 5247 Napa West of Hwy 29, near Lake County line. 464 Comment
  JEPS121522  Eriodictyon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 203 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  UCD159950  Eriodictyon californicum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD48049  Eriodictyon californicum Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 8 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1st ridge south of Devilhead Rd. 518 Comment
  UCD164777  Eriogonum compositum var. compositum Jake Ruygt 2006-6-17 5062 Napa North of Three Peaks. 658 Comment
  UCD164780  Eriogonum dasyanthemum Jake Ruygt 1990-9-26 2611 Napa Northwest corner end of Wooden Valley. 307 Comment
  UC535080  Eriogonum gracile Susan G. Stokes 1933-8-27 82 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  CAS-BOT-BC266056  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266060  Eriogonum luteolum John Thomas Howell 1933-8-27 11653 Napa Chiles Valley, Napa Range Comment
  RSA102056  Eriogonum luteolum John H. Redfield 1872-8-28 328 Napa Prope Calistoga Comment
  CAS-BOT-BC268980  Eriogonum nudum var. auriculatum John Thomas Howell 1930-7-13 5345 Napa Lower slopes of Mt. St. Helena Comment
  JEPS56611  Eriogonum nudum var. oblongifolium Willis L. Jepson 1893-9-23 20992 Napa above Calistoga; Upper Napa Valley, Napa River Basin Comment
  UCD164789  Eriogonum nudum var. oblongifolium Jake Ruygt 1981-5-27 1049 Napa American Canyon, .4 mile east of Flosden Road. 152 Comment
  SBBG28227  Eriogonum vimineum S. G. Stokes 1933-8-27 60 Napa Sage Cyn, 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
  JEPS106951  Eriophyllum confertiflorum Jake Ruygt 1991-6-1 2711 Napa Mt. St. John, fire trail 502 Comment
  SEINET7072771  Eriophyllum confertiflorum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD161522  Eriophyllum confertiflorum Jake Ruygt 1990-6-9 2581 Napa Huichica Creek at south side of Lovall Valley. 170 Comment
  SEINET3386691 Image available Eriophyllum lanatum Lewis S. Rose 1934-5-23 34275 Napa N. Slope of Mt. St. Helena Comment
  CAS-BOT-BC301054  Eriophyllum lanatum var. achilleoides Peter H. Raven 1951-5-6 2817 Napa 4 miles Conn Dam from Rutherford 91 Comment
  UCD18121  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  UCD54313  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  CAS-BOT-BC301045  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mis. northeast of Calistoga along Highway #29 Comment
  CAS-BOT-BC301047  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa On the Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  OBI54925  Eriophyllum lanatum var. achilleoides Kathleen Faustini 1980-5-5 23 Napa Rte 128 approx. 3 mi E of dam Comment
  POM358026  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s.n. Napa Near Hill and Connors Ranches, Calistoga Comment
  UC164782  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2102 Napa hills on e side Napa Valley (near Calistoga) 243 Comment
  CAS-BOT-BC301174  Eriophyllum lanatum var. arachnoideum Betty H. Johnson 1958-6-8 608 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS34725  Eriophyllum latilobum W. L. Jepson 1936-5-29 17554 Napa Adam-and-Eve Ridge Howell Mt., Adam-and-Eve Ridge 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
  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
  UCD170364  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 862 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UC596078  Eryngium aristulatum var. aristulatum R. F. Hoover 1937-8-31 2701 Napa 6 mi. s. Napa Comment
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  UCD164833  Eryngium jepsonii Jake Ruygt 2012-6-2 5856 Napa Butts Canyon Road, across road from James Creek Road. Comment
  CAS-BOT-BC54303  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount Saint Helena. Comment
  UCD148758  Erysimum capitatum Jake Ruygt 1985-11-16 1625 Napa Napa County; American Canyon, 0.4 miles east of Flosden Rd. 121 Comment
  POM339526  Erysimum capitatum var. capitatum F. R. Fosberg 1967-4-1 48420 Napa Hills just south of Lake Berryessa Comment
  CAS-BOT-BC124173  Erythronium helenae Elmer Ivan Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa County; slope just E of the Palasades on old stage road Comment
  CAS-BOT-BC133282  Erythronium helenae Elmer I. Applegate 1934-3-11 8842 Napa St. Helena Creek, half a mile south of Lake County line Comment
  CDA20131  Erythronium helenae R. Gross 2003-5-4 RG 1 -03 Napa North Coast; Foote Ranch, NW base of Mt Saint Helena. 0 Comment
  JEPS120345  Erythronium helenae Jake Ruygt 2003-3-22 4480 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  SEINET8397211  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens; steep northerly slope just east of the Palisades on old stage road. Comment
  UC1328143  Erythronium helenae Donald V. Hemphill 1941-3-22 155 Napa 1 mile south of Snell Peak. 335 Comment
  CAS-BOT-BC402791  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402793  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402799  Eschscholzia caespitosa Peter H. Raven 1952-5-26 4059 Napa Nr. Walter's Springs 170 Comment
  CAS-BOT-BC402802  Eschscholzia caespitosa David D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  CAS-BOT-BC402798  Eschscholzia caespitosa Peter H. Raven 1955-3-20 8244 Napa Slopes just below Hennessey Lake, Conn Valley 121 Comment
  SEINET5718781 Image available Eschscholzia caespitosa Kenneth H. Traver 1969-1 19 Napa 1 mile west of Monticello Dam; Monticello Dam Comment
  UCD95244  Eschscholzia caespitosa Curtis Clark 1975-4-28 490 Napa State Highway 128, 13.6 miles west of Winters. Comment
  RSA127600  Eschscholzia caespitosa subsp. caespitosa Peter H. Raven 1955-3-20 8244 Napa Just below Hennessey Lake, Conn Valley Comment
  UC126645  Eschscholzia californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7132 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD94056  Eschscholzia californica Shannon M. Still 2006-3-23 63 Napa California. Napa County: Field to north side of Snell Valley Road just past the intersection with Walker Road. 180 Comment
  UCD95321  Eschscholzia californica David Lawfer 1952-4-28 152 Napa Napa. Comment
  POM149284  Eschscholzia californica var. crocea C. F. Baker 1903-5-8 2969 Napa Knoxville. Comment
  JEPS120337  Eucalyptus globulus Jake Ruygt 1989-4-29 2293 Napa Napa River about 1/4 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  JEPS51864  Euphorbia crenulata W. L. Jepson 1924-4-27 10369 Napa Mt. St. Helena; Toll House 457 Comment
  RSA10671  Euphorbia crenulata C. B. Wolf 1928-5-3 1818 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD142379  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1217 Napa Along State Highway 128, 5.6 miles north of its junction with State Highway 37. Comment
  JEPS52404  Euphorbia peplus W. L. Jepson 1936-7-2 17638 Napa garden borders of Sanitarium Howell Mt. (Howell Mt.); vicinity of San Francisco Bay, Howell Mt. Comment
  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
  UCD47964  Euphorbia spathulata Ryan Knox; E, McDermott, and G. Walden 2002-4-13 10 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on north side of road near calcium seep area. 424 Comment
  UCD47965  Euphorbia spathulata Michele Disney; J. Westbrook, S. Ratay,R. Wolfson, A. Houser,S. Wathen 2000-4-22 31 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville road. 396 Comment
  UCD149044  Eurybia radulina Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8189 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  UC1093971  Euthamia occidentalis H. L. Mason 1923-10-6 771 Napa Suisan Marsh Comment
  JEPS84610  Festuca arundinacea John W. Willoughby 1979-5-25 4305 Napa about 1 mi s Signal Hill (just below and to the w of Blue Ridge); Vaca Mountains, Pansy Flat 609 Comment
  CHSC30533  Festuca californica T. B. Devine 1980-4-12 698 Napa On Hwy. 29 ca 4 1/2 mi. SW of Robert Louis Stevensen State Park. Comment
  CHSC57559  Festuca californica J. D. Prouty 1980-6-12 Napa Roadbank of Hwy 29 ca 4.5 mi southwest of summit at R.L. Stevenson State Park. 243 Comment
  UCD41413  Festuca californica Mark Bibbo; Ellen Dean, Alex Lee, Burak Petin 2003-4-26 127 Napa Just east of the Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  UCD65830  Festuca californica M. Wiesendanger 1927-5-4 700 Napa Monticello, Napa Road. Comment
  UCR228654  Festuca californica Ellen Dean, Stephen Rae 2008-5-21 4988 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  RSA371706  Festuca californica var. californica L. F. LaPre 1986-5-6 s.n. Napa Cedar Creek, 3.5 miles SW of Knoxville and ca. 1/2 mile (air) W of Devilhead Road, at junction of the creek and a dirt road. Comment
  CAS-BOT-BC278834  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 487 Comment
  JEPS122941  Festuca occidentalis Jake Ruygt 1987-4-11 1948 Napa Ragg ridge (Quail Ridge Preserve. Quad: Lake Berryessa. Comment
  SEINET9335789  Festuca roemeri Unknown 1993-5-15 10966 Napa Quail Ridge Reserve Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC53524  Frangula californica subsp. tomentella Mrs. G. Earle Kelly 1918-8-1 s.n. Napa Mt. St. Helena Comment
  UCD118521  Frangula californica subsp. tomentella Amber Kimpel; 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. 417 Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  UCD67543  Frangula californica subsp. tomentella D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC205895  Fremontodendron californicum John Thomas Howell 1939-5-7 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  HSC38150  Fremontodendron californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2347 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  JEPS128913  Fremontodendron californicum Jake Ruygt 1976-4-25 29 Napa 23 miles north of Pope Canyon Road on Berryessa-Knoxville Road. Knoxville 7.5' Quad. Comment
  RSA77221  Fremontodendron californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  UC545809  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa 4 miles north of Knoxville Mines Comment
  SEINET5518602  Fremontodendron californicum subsp. napense Herbert L. Mason 1935-1 10009 Napa Four miles north of Knoxville Mines Comment
  UCD139718  Fritillaria affinis R. F. Denno 1967-4-15 48 Napa 1 mile north of Lower Chiles Valley Road, off of Highway 128. Inner Coast Range Transitional. 228 Comment
  CAS-BOT-BC130080  Fritillaria affinis 1930-4-5 s.n. Napa unspecified Comment
  UC421724  Fritillaria affinis Mrs. L. W. McArthur 1930-4-3 Napa Calistoga, Oathill Road summit Calistoga; , Oathill Road Comment
  CAS-BOT-BC130485  Fritillaria purdyi John Thomas Howell 1931-4-4 6166 Napa Crater Country, Mt. St. Helena region Comment
  CAS-BOT-BC130487  Fritillaria purdyi Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  POM224397  Fritillaria recurva Ethel Crum 1936-3-15 1739 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  UCD33568  Galium Beecher Crampton 1970-4-15 8559 Napa Napa County, north end of Capell Valley on Hwy. 128. Comment
  POM204016  Galium andrewsii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  HSC49622  Galium aparine R. York 1979-4-8 207 Napa Along Silverado Trail Rd., 5 mi. N of Napa Comment
  RSA0054814  Galium aparine Keith E. Hoffmaster 1939-4-6 910 Napa Putah can. Comment
  UCD67956  Galium aparine Funi Takeda 1977-4-16 5 Napa Hwy. 128, 6.4 mi. sw Monticello Dam, west facing slope. 182 Comment
  UCD67957  Galium aparine Caryn Franscioni 1977-4-24 6 Napa Eticuera Creek, 2.6 mi. SE of Knoxville mine. 304 Comment
  JEPS52680  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 C Napa at junction road to Angwin and road to Sanitarium; n of St. Helena Comment
  UC139301  Galium bolanderi M. K. Curran Aug. 1888 Napa Howell Mt. 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
  UC602549  Galium divaricatum Joseph P. Tracy 1933-6-2 12469 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  POM303720  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
  UCD13190  Galium nuttallii Mark Streig 1976-4-22 1 Napa Lake Berryessa, 0.5 mi W of Monticello Dam, along hwy 128. Comment
  UCD38609  Galium porrigens Beecher Crampton 1956-5-25 3485 Napa Howell Mtns. Comment
  UCD73850  Galium porrigens Ellen Dean; S. Rae 2008-5-21 4985 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 Comment
  CDA10899  Galium porrigens var. porrigens G. F. Hrusa, M. Rejmanek 1993-5-15 10995 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. 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
  JEPS110560  Galium triflorum Jake Ruygt 1979-5-4 575 Napa Trefethen hillside property 91 Comment
  JEPS66756  Garrya flavescens W. L. Jepson 1936-2-8 17399 Napa near Four Corners (Adam and Eve Ridge); Howell Mt. Comment
  JEPS66735  Garrya fremontii Willis L. Jepson 1893-5-2 14158 Napa e of Calistoga (near Palisades, Pope Valley grade near summit); Napa River Basin Comment
  JEPS122938  Gastridium phleoides Jake Ruygt 1982-5-15 1264 Napa Soda Canyon, west of the grade. Quad: Yountville. Comment
  UCD159940  Gastridium phleoides 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
  UC71009  Gastridium ventricosum W. L. Jepson 1896-6-2 Napa St. Helena Comment
  RSA0028367  Geranium carolinianum Gilbert Muth 1967-4-30 662 Napa Near entrance to Snell Valley. 183 Comment
  JEPS61424  Geranium dissectum H. P. Chandler 1907-4-28 7553 Napa Santa Rosa to Calistoga Comment
  UCD132710  Geranium purpureum Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park, in area near parking lot and around historic mill. 115 Comment
  JEPS21822  Geranium robertianum Margaret Whitmore 1958-4-3 33 Napa 3 mi nw Napa (on Redwood Road) 30 Comment
  UCD149655  Gilia capitata 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
  UCD70477  Gilia capitata P. J. Plummer 1995-5-27 s.n. Napa Napa County Barryessa Knoxville Rd. Rocky roadside. Herbs; flowers blue-lavender. 170 Comment
  UC914293  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7968 Napa wooded canyon ca 8 mi ne Vichy Springs (on Monticello Road, Mayacama Mountains); Mayacama Mountains, ne of Vichy Springs Comment
  UC1197930  Gilia capitata subsp. capitata J. P. Tracy 1903-5-16 1838 Napa near Calistoga (region about San Francisco Bay); Region about San Francisco Bay, nr Calistoga 152 Comment
  UC914315  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7967 Napa one-quarter mi s Knoxville Mine; s of Knoxville Mine Comment
  UCD117694  Gilia capitata subsp. capitata M. Ensign 1943-5-28 316 Napa about 26 miles north of Monticello on road to Lower Lake. Comment
  UCD117699  Gilia capitata subsp. capitata Eric S. Ngay 1990-5-26 17 Napa gravel mine west of bridge, south bank of Pope Creek, near mile marker 4.75 Pope Canyon Road. Comment
  NY336855  Gilia heterodoxa C. C. Parry 1881-1 180 Napa 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
  UCD167225  Gilia tricolor subsp. diffusa Jake Ruygt 2010-4-24 5519 Napa East of Berryessa Knoxville Road near south end of Knoxville Wildlife Area. 280 Comment
  JEPS110963  Gilia tricolor subsp. tricolor Jake Ruygt 1995-4-17 3425 Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 100 Comment
  UC1197914  Gilia tricolor subsp. tricolor J. P. Tracy 1902-5-17 1516 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  UCD32580  Glyceria striata Beecher Crampton 1954-6-8 1934 Napa 5 miles south Middletown, Hwy 29, above St. Helena Creek. Comment
  UCD85207  Glyceria striata Beecher Crampton 1953-7-14 1515 Napa N.E. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  CDA34653  Gnaphalium luteoalbum L. Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CHSC103004  Gnaphalium palustre Lowell Ahart 2009-10-12 16422 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
  JEPS4233  Gratiola ebracteata Willis L. Jepson 1893-4-27 21317 Napa sw Napa City (Napa River Basin); , sw of Napa City 15 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-BC304892  Grindelia hirsutula John Thomas Howell 1929-6-30 4313 Napa 5 mile s. of Calistoga on highway to St. Helena, Napa Valley Comment
  CAS-BOT-BC304906  Grindelia hirsutula Peter H. Raven 1952-5-31 4130 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  POM41961  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET3142904  Grindelia hirsutula M. P. Dunford 1959-10-3 555 Napa 2 mi. W of Chiles Valley; along Soda Creek Comment
  UC1177101  Grindelia hirsutula Peter H. Raven 1951-6-26 3098 Napa Imola to Napa Junction 24 Comment
  UC1714849  Grindelia hirsutula Max P. Dunford 1959-10-3 555 Napa 2 mi W of Chiles Valley (along Soda Creek) Comment
  POM183387  Grindelia hirsutula var. davyi J. T. Howell 1930-7-13 5346 Napa Mt. St. Helena. Comment
  UC1112229  Hainardia cylindrica S. Galen Smith with J. Anderson 1957-6-7 2958 Napa 1.5 mi nw of Calistoga; Myrtledale Hot Springs 121 Comment
  UC556409  Harmonia hallii H. M. Hall 1931-5-27 13094 Napa near Knoxville (ne Napa Co.); ; near Knoxville, NE Napa Co. Comment
  CAS-BOT-BC302226  Harmonia nutans Peter H. Raven 1953-5-2 s.n. Napa Summit of hills e. of Yountville 304 Comment
  CAS-BOT-BC302231  Harmonia nutans Alice Eastwood 1915-6-6 4664 Napa Mt. St. Helena Comment
  CAS-BOT-BC302238  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  CAS-BOT-BC302239  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  JEPS7511  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa near Yountville Comment
  UC1301042  Harmonia nutans Helen K. Sharsmith 1963-4-20 5338 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 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
  JEPS106682  Helenium puberulum Jake Ruygt 1979-10-22 426 Napa .3 miles north of Airport Rd. along Sheehy Creek 4 Comment
  UCD132770  Helianthella californica Heidi E. M. Dobson 1977-6-2 263 Napa above Mt. Veeder road. Comment
  UCD132774  Helianthella californica J. M. Tucker 1968-5-20 4111 Napa summit of Blue Ridge (Vaca Range), around 1.5 miles northwest of the head of Mxi Canyon. 762 Comment
  CAS-BOT-BC314721  Helianthella californica var. californica J. Clausen 1935-5-23 1072 Napa Howell Mountain near summit 6.5 mi. N. of St. Helena Comment
  CAS-BOT-BC314723  Helianthella californica var. californica T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  RSA133703  Helianthemum scoparium var. vulgare John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  CDA11825  Helianthus bolanderi G. F. Hrusa 1993-10-3 11426 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knoxville-Devilhead Rd. from Knowville-Berryessa Rd. 518 Comment
  UCD132905  Helianthus bolanderi G. F. Hrusa 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  JEPS4456  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwins's Meadows Comment
  JEPS4459  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Napaleo, Angwin's Meadows Howell Mt., Napaleo, Angwin's Meadows Comment
  UCD132787  Helianthus exilis G. F. Hrusa 1993-10-3 11426 Napa 2.1 m. southwest along Knoxville-Devilhead Road from Knoxville-Berryessa Road. Comment
  CDA34656  Heliotropium europaeum L. Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  SBBG128693  Heliotropium europaeum L. Ahart 2009-10-12 16433 Napa below high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  UCD161740  Heliotropium europaeum Jake Ruygt 1992-9-5 3143 Napa 0.15 mile south of Tubbs Lane on Myrtledale Road, Calistoga. 122 Comment
  UCD74367  Heliotropium europaeum Jake Ruygt 2005-6-7 4910 Napa Berryessa-Knoxville Rd. at Oak Shores headquarters. 176 Comment
  CAS-BOT-BC306267  Hemizonia congesta subsp. lutescens Peter H. Raven 1953-10-4 6363 Napa Fields near Dutton's Landing 15 Comment
  UC726257  Hemizonia congesta subsp. lutescens A. A. Heller 1941-9-22 16316 Napa near Napa junction Comment
  CDA11970  Hemizonia congesta subsp. luzulifolia G. F. Hrusa, M. Hooper 1995-9-12 12462 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. 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-BC309845  Hemizonia congesta subsp. luzulifolia L. S. Rose 1927-7-24 s.n. Napa St. Helena Comment
  JEPS38253  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1939-9-12 19486 Napa w St. Helena (1 mi w of summit (w side)); Spring Mtn. Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo Comment
  RSA13383  Hemizonia luzulifolia Daniel Cleveland 1882-09 s.n. Napa Aetna Springs. Comment
  POM298277  Hemizonia parryi subsp. parryi D. D. Keck, Jens Clausen 1933-11-10 2715 Napa Calistoga, 2 miles N of center of town at the geysers. Comment
  POM215136  Hemizonia pungens subsp. pungens D. D. Keck 1933-11-10 2725 Napa 6 miles S of Napa. Comment
  UCD161309  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UC175983  Hesperevax acaulis var. robustior Joseph P. Tracy 1903-5-22 1886 Napa on Eel River (Alder Point); Northern Coast Ranges, Alder Point 152 Comment
  UCSB46883  Hesperocyparis macnabiana Roos, John 1938-11-19 Napa Pope Valley, Aetha Springs, along creek Comment
  HSC46349  Hesperocyparis sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  SD40654  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-16 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 455 Comment
  SJSU149  Hesperocyparis sargentii Emily D. Smith 1935-11-11 Napa near head of St. Helena Cr c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  UCD63751  Hesperocyparis sargentii Daniel Sanchez-Mata; Emin Ugurlu 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 580 Comment
  UC1736419  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley Comment
  JEPS122785  Hesperolinon bicarpellatum Jake Ruygt 1998-7-6 4075 Napa Butts Canyon about 0.3 mile north of Snell Valley Road. QUAD: Aetna Springs. Comment
  OBI12551  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Cyn and Pope Valley on tributary of Pope Crk 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
  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
  UC1212372  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa ca 0.5 mi from Walter Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UCD167348  Hesperolinon bicarpellatum Jake Ruygt 2003-6-7 4541 Napa Mt. George/ Foote Botanical Preserve on 'Tupper road'. 298 Comment
  JEPS32284  Hesperolinon californicum W. L. Jepson July 1892 13546 Napa Zem Zem (ne Napa Co.) Comment
  UC1212452  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4600 Napa s canyon slope 1/4 mi below Conn Dam (on chaparral slope above road from Rutherford to Pope Valley); Inner North Coast Ranges 121 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
  UCD110495  Hesperolinon californicum Robert E. Preston 1987-6-21 571 Napa ca. 1 1/4 mi se of Devil's Head Peak. 274 Comment
  RSA151704  Hesperolinon clevelandii H. K. Sharsmith 1957-5-30 4598 Napa West side of Howell Mountain 2.4 miles west of Angwin. 305 Comment
  UC1212326  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mi n Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC1212323  Hesperolinon clevelandii Milo S. Baker 1947-7-7 11853 Napa at end of wood road leading southerly from Mt. St. Helena Inn (towards the Crater); Inner North Coast Ranges Comment
  UC517479  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa hills e Napa Comment
  UCD110504  Hesperolinon clevelandii P. Rodriguez-Rojo 1997-5-31 s.n. Napa Butts Canyon Rd. 285 Comment
  UC1212478  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4149 Napa ca 2 mi ne Knoxville (on Knoxville-Lower Lake road); Inner North Coast Ranges 609 Comment
  UCD167298  Hesperolinon disjunctum Jake Ruygt 2004-5-8 4596 Napa Lone Pine Thicket on private road accessible from Devilhead Road. 633 Comment
  CAS-BOT-BC167456  Hesperolinon drymarioides G. L. Stebbins 1966-6-6 6447 Napa Along road from Knoxville to Cedar Valley 487 Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. Comment
  JEPS122777  Hesperolinon micranthum Jake Ruygt 1980-5-13 893 Napa Mt. St. John. QUAD: Rutherford Comment
  UC1601272  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 b Napa 2.1 mi beyond intersection of Conn Reservoir road to Rutherford with Chiles Valley-Pope Valley road Inner North Coast Ranges, Chiles Valley 198 Comment
  UC1736421  Hesperolinon micranthum Dean W. Taylor 1998-6-18 16673 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  UC1601208  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4615 b Napa s side above road Conn Cam; Inner North Coast Ranges 121 Comment
  JEPS122791  Hesperolinon sharsmithiae Jake Ruygt 2009-6-20 5442 Napa Butts Canyon Road. QUAD: Aetna Springs. Comment
  JEPS122856  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-28 240 Napa Along west side of Sage Canyon Road, 0.7 mlles south of junction with Lower Chiles Valley Rd. Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  JEPS112652  Hesperolinon spergulinum Jake Ruygt 1983-6-12 1494 Napa Mt. St. Helena 624 Comment
  POM86846  Hesperolinon spergulinum Marcus E. Jones 1881-7-6 343 Napa St. Helena. Comment
  UCSC009029  Hesperolinon spergulinum Dylan M. Neubauer 2015-4-24 131 Napa (NCoRI) N side Ink Grade Rd, 1.07 air-miles NW Pope Valley 289 Comment
  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
  UC1536920  Heteromeles arbutifolia Gordon H. True Jr. 1937-6-20 729 Napa e of Napa (Mt. George); Mt. George 304 Comment
  UCD159954  Heteromeles arbutifolia Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Top of east slope, above Q48. 243 Comment
  CAS-BOT-BC310264  Heterotheca grandiflora Peter H. Raven 1953-10-4 6362 Napa Napa-Vallejo Road nr. Dutton's Ldg. turn-off 30 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
  UC1562555  Heterotheca oregona var. compacta Barbara Ertter with Elizabeth Neese 1988-10-2 7949 Napa ca 15 airmiles nnw Napa (on Conn Creek, below spillway on n side or Rt. 128); North Coast Range, Lake Hennessey, Conn Creek 91 Comment
  UC1999863  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake Co. line Comment
  CAS-BOT-BC424163  Heuchera micrantha var. erubescens Alice Eastwood 1915-6-5 4577 Napa Petrified Forest Comment
  CAS-BOT-BC424161  Heuchera micrantha var. erubescens Peter H. Raven 1950-6-20 2358 Napa in the Napa Range between Corn Valley & Howell Mtn. Comment
  UCD115136  Hirschfeldia incana Jack Major 1961-6-13 543 Napa Monticello Dam, State Highway 128. Comment
  UC1586045  Hoita macrostachya Barbara Ertter with Elizabeth Neese 1988-10-2 7959 Napa s side Rt 128 across from spillway (ca 15 air mi nnw); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  UC16290  Hoita macrostachya unknown Aug 1862 1322 Napa Rag Canyon; dry creek bed Comment
  UC1543069  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa hwy from Napa to Wooden Valley (n slopes of mt.); George Mt. 152 Comment
  CAS-BOT-BC280702  Holcus lanatus Elsa G. Ruckert 1960-4-29 s.n. Napa 300 yards from 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC315796  Holozonia filipes Peter H. Raven 1952-8-28 5162 Napa Road below Napa Soda Springs 213 Comment
  RSA10673  Hordeum brachyantherum C. B. Wolf 1928-5-3 1816 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD85292  Hordeum brachyantherum Beecher Crampton 1953-6-2 1436 Napa 8 miles south of Middletown, small meadow along Highway 53. Comment
  UCD85463  Hordeum brachyantherum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  JEPS76119  Hordeum brachyantherum subsp. brachyantherum W. L. Jepson 1938-6-8 18893 Napa South Fork Butts Creek , Butts Canyon (Butts Canyon) Comment
  CAS-BOT-BC285096  Hordeum marinum subsp. gussoneanum Peter H. Raven 1952-5-29 4078 Napa Napa River 1 mi. n. Napa 60 Comment
  UCD120915  Hordeum marinum subsp. gussoneanum Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7336 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD85792  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3543 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS110558  Horkelia californica subsp. dissita Jake Ruygt 1982-6-29 1349 Napa .2 mile south south of Old Bale Mill on west side of HWY 29 97 Comment
  JEPS126088  Hosackia stipularis Jake Ruygt 1981-7-8 1057 Napa Road to Bateman Creek from Montesol; Livermore Road. Detert Reservoir 7.5' Qua. Comment
  JEPS104554  Hydrocotyle ranunculoides Jake Ruygt 1991-7-20 2772 Napa L.Orville, Friesen's Lakes, Angwin 563 Comment
  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
  CAS-BOT-BC312893  Hypochaeris glabra John H. Thomas 1955-5-21 5177 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCD159530  Hypochaeris radicata D. S. Park 2011-4-11 278 Napa Off Redwood Rd. Residential district. 48 Comment
  POM182754  Iris D. D. Keck 1931-4-2 1026 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UC1134692  Iris douglasiana B. Schreiber 1936-5-3 2204 Napa 1.2 mi w Calistoga; Calistoga Quad. 152 Comment
  JEPS85051  Iris macrosiphon Larry Heckard and Mary Ashton 1969-5-3 2207 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UCD138758  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCD71275  Iris macrosiphon Kook-Hyun Chung 2001-4-28 4 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, shady area in interior live oak woodland; flower cream-yellow, perennial 242 Comment
  UC917188  Iris macrosiphon C. G. Baughn 1949-4-24 27 Napa 4 mi nw Cordelia (State Highway 12) Comment
  JEPS126029  Iris orientalis Jake Ruygt 1998-5-23 3992 Napa Imola Ave, Napa; east side of river and south street. Napa 7.5' Quad. Comment
  UC519318  Isoetes orcuttii Joseph P. Tracy 1933-6-2 12461 Napa 3 to 4 mi. e. Angwin's (on hills at head of Moore's Creek, La Jota Plateau, Howell Mt.); Northern Coast Ranges, Howell Mt., La Jota Plateau 518 Comment
  CAS-BOT-BC340125  Jaumea carnosa Peter H. Raven 1951-9-9 3907 Napa Slaughterhouse Pt., Napa River 0 Comment
  SEINET2064754 Image available Juglans californica Royal D. Suttkus 1967-6-26 67 -3036 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  UCD20737  Juglans hindsii Ellen Dean; w/ Mark Bibbo 2002-6-17 1101 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near main entrance gate to reserve, just upslope from road to field station. E side of the road. 371 Comment
  CDA39578  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19939 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  UCD141338  Juncus balticus subsp. ater H. MacKenzie 1949-5-29 22 Napa 5 miles west of St. Helena. Comment
  UCD166696  Juncus bolanderi Jake Ruygt 2010-6-21 5621 Napa north entrance to Azalea Springs Rd. 96 Comment
  UC1601696  Juncus bufonius Willis L. Jepson 1893-1 Napa Napa Valley Napa River Basin Comment
  UC1601693  Juncus bufonius W. L. Jepson 1896-1 Napa near St. Helena; Napa Valley Comment
  JEPS122674  Juncus capitatus Jake Ruygt 1992-5-7 2939 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS75646  Juncus effusus subsp. pacificus W. L. Jepson 1936-6-1 17578 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  UC1103653  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  JEPS84888  Juncus kelloggii Jake Ruygt May 1990 Napa Bear Valley 603 Comment
  UCD164767  Juncus kelloggii Jake Ruygt 2014-5-10 5938 -b Napa Atlas Peak Road, Studor property, south of Foss Valley, north of Millilen Reservoir. 448 Comment
  UCD149040  Juncus occidentalis Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8186 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  RSA517032  Juncus occidentalis W. L. Jepson 1936-6-1 17579 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UC842739  Juncus occidentalis Lewis S. Rose 1935-6-4 35204 Napa e slope Mt. St. Helena 457 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
  UCD20744  Juncus patens Ellen Dean; w/ Mark Bibbo 2002-6-17 1105 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 182 Comment
  UCD141887  Juncus phaeocephalus var. paniculatus Q. Tofsrud 1947-5-4 s.n. Napa Napa. Comment
  JEPS122668  Juncus xiphioides Jake Ruygt 1996-6-3 3741 Napa Jamieson Vineyards near South Kelly Road. Quad: Cordelia. Comment
  UCD67899  Juncus xiphioides Hilary Jane Ernst 1981-5-24 69 Napa On Highway 128, 2.2 miles Southeast of Moskowite Corner. Comment
  JEPS110685  Keckiella breviflora var. glabrisepala Jake Ruygt 1987-6-14 2049 Napa Pope Creek at inflow to Lake Berryessa 149 Comment
  CAS-BOT-BC237851  Keckiella lemmonii Rimo Bacigalupi 1928-6-20 1873 Napa Howell Mt 10 miles west of St Helena Comment
  JEPS110641  Keckiella lemmonii Jake Ruygt 1979-6-18 714 Napa Snell Valley at Snell Creek bridge 146 Comment
  UC185352  Keckiella lemmonii Katharine Brandegee 1910-7-27 Napa Angwin's; Napa Range, Howell Mt. Comment
  UC917155  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 mi from Winters (on road to Monticello) Comment
  JEPS115771  Kickxia elatine Lowell Ahart 2009-10-12 16450 Napa Below the high water line of Lake Berryessa, along Capelll Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west 133 Comment
  CDA10910  Koeleria macrantha G. F. Hrusa, M. Rejmanek 1993-5-15 11006 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS122912  Koeleria macrantha Jake Ruygt 2000-5-15 4250 Napa Henry Road, on old Henry Ranch. Quad: Napa. Comment
  JEPS76091  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  UCD170427  Koeleria macrantha Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-4-17 902 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 420 Comment
  UCD159466  Lactuca saligna D. S. Park 2010-8-13 220 Napa Along Berryessa Knoxville Rd. disturbed. 219 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
  UCD69080  Lagophylla minor P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lake Berryessa. Lower Chiles Valley Rd. UTM: 10SEN6261 155 Comment
  JEPS39001  Lagophylla minor Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa Valley River Basin, Conn Valley Comment
  CAS-BOT-BC341556  Lagophylla ramosissima Rimo Bacigalupi 1928-6-20 1868 Napa Howell Mt. 10 miles west of St. Helena Comment
  UCD20733  Lagophylla ramosissima Ellen Dean; w/ Mark Bibbo 2002-6-17 1098 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Dead Man's Hill, along trail to top. 365 Comment
  CAS-BOT-BC341560  Lagophylla ramosissima H. M. Hall 1931-5-26 13093 Napa 9.6 miles north of Monticello Comment
  JEPS106651  Lagophylla ramosissima subsp. ramosissima Jake Ruygt 1992-6-24 3053 Napa Tuteur Ranch, end of Green Valley Rd. 274 Comment
  UCD18035  Lamium amplexicaule Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 586 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  RSA201210  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa Garden weed near St. Helena Comment
  CAS-BOT-BC338262  Lasthenia californica Carl B. Wolf 1928-5-3 1786 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS106676  Lasthenia californica Jake Ruygt 1976-5-6 57 Napa 2.8 miles northeast of Westgate Dr. on Atlas Peak rd. 350 Comment
  POM182691  Lasthenia californica D. D. Keck 1931-4-2 1007 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  RSA113971  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Hot spring, Calistoga. Comment
  JEPS18248  Lasthenia californica subsp. californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  UC172586  Lasthenia californica subsp. californica H. P. Chandler 1907-4-25 7540 Napa Chiles Valley road Comment
  JEPS106624  Lasthenia glaberrima Jake Ruygt 1986-5-1 1736 Napa Imola Ave. NW of McDonald's restaurant 4 Comment
  UCD63160  Lasthenia glaberrima Jake Ruygt 1993-4-18 3211 Napa west of west end of Rio DelMar Drive, American Canyon. 2 Comment
  RSA51265  Lasthenia glaberrima Peter H. Raven 1950-5-6 2004 Napa Near geysers and hot springs near Calistoga airfield, Calistoga. 46 Comment
  UC311561  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa near Calistoga; Napa Valley 90 Comment
  RSA0018558  Lathyrus Keith E. Hoffmaster 1946-3-23 1086 Napa Napa range, along Napa-Monticello road Comment
  UC496104  Lathyrus aphaca Mrs. Ernest Lloyd 1931-5-5 Napa Howell Mountain Comment
  JEPS126083  Lathyrus cicera Jake Ruygt 1994-4-26 3354 Napa Pope Valley north of Barnett Road. Aetna Springs 7.5' Qua. Comment
  UCD75720  Lathyrus odoratus Jake Ruygt 1983-4-30 1448 Napa 0.1 mile east of Hwy. 29 on Jameson Canyon Rd. 22 Comment
  POM19738  Lathyrus vestitus subsp. vestitus C. F. Baker 1903-4-20 2607 Napa Mt. St. Helena. 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
  JEPS55351  Lathyrus vestitus var. vestitus W. L. Jepson 531 Napa Howell Mt. grade to New Eden Comment
  UC924241  Layia chrysanthemoides H. S. Reed 1939-4-16 225 Napa Napa Valley 60 Comment
  CAS-BOT-BC323192  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of 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
  RSA92952  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma county line 244 Comment
  UCD19935  Lepechinia calycina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 793 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD70473  Lepechinia calycina P. J. Plummer 1995-5-29 s.n. Napa W of city of Winters, roadside off hwy 128. 335 Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 Comment
  UCD50232  Lepidium draba S. Nichol 2004-4-1 s.n. Napa east of intersections 121 and 128. Comment
  UCD20724  Lepidium latifolium Mark Bibbo; w/ Laura Wynholds 2002-7-20 65 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  CAS-BOT-BC89767  Lepidium latipes Alice Eastwood; John Thomas Howell 1938-5-15 5521 Napa Myrtledale Hot Springs. Comment
  POM272870  Lepidium nitidum Lyman Benson 1931-2-26 2598 Napa Slopes near the hwy summit; Mt St Helena. N of Calistoga. Mayacamas Mtn Range; Napa watershed. 549 Comment
  JEPS106790  Lepidium nitidum var. nitidum Jake Ruygt 1978-3-8 231 Napa north of the east end of Westgate Drive, Silverado Country Cl. 121 Comment
  CAS-BOT-BC12790  Lepidium perfoliatum J. W. Stacey 1931-4-4 s.n. Napa Near Vallejo. Comment
  JEPS106832  Lepidium strictum Jake Ruygt 1982-3-17 1131 Napa Suscol plain along HWY 29 (221) 8 Comment
  JEPS53740  Lepidium strictum Willis L. Jepson 1893-5-1 13361 Napa Calistoga Napa River Basin Comment
  RSA115540  Leptosiphon acicularis Beecher Crampton 1957-6-4 s.n. Napa Above Capell Creek, north end Capell Valley Comment
  UCD118587  Leptosiphon androsaceus G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12025 Napa University of California Quail Ridge Reserve, open grasslands at entrance gate. 290 Comment
  UCD118599  Leptosiphon androsaceus M. Wiesendanger 1928-4-6 884 Napa Redwood Highway between Calpella and Willits. Comment
  UCD49206  Leptosiphon androsaceus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 3 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. roadside, less than 1/4 mile NW from jct with South Decker Rd. 182 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
  OBI11412  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  RSA155422  Leptosiphon androsaceus L. S. Rose 1961-3-30 61025 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  UCD49212  Leptosiphon bicolor Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 167 Comment
  JEPS129087  Leptosiphon parviflorus Jake Ruygt 2016-4-19 6198 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD170684  Leptosiphon parviflorus 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC324164  Lessingia hololeuca Peter H. Raven 1952-8-26 5147 Napa Railway 0.75 miles west of Buchli Station 30 Comment
  UC912322  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa four mi n Calistoga Comment
  UCD39140  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  RSA91165  Lessingia hololeuca John T. Howell 1926-10-3 2210 Napa 2 miles N of Calistoga, Napa Valley Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  JEPS20585  Lessingia ramulosa Willis L. Jepson 1901-8-6 1732 A Napa Howell Mountain Napa River Basin Comment
  SEINET9333270  Lessingia ramulosa Unknown 1961-8-14 5968 Napa Northern end of Capell Valley, along State Highway 128, above Capell Creek. Diffuse annual growing in serpentine chaparral. Comment
  SEINET11933914  Lewisia rediviva F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -298 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC472  Lilaea scilloides Willis L. Jepson 1893-4-26 Napa near Yountville; Napa River Basin Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  JEPS19628  Limnanthes douglasii W. L. Jepson 1936-4-5 17412 Napa about 2 mi s Monticello; Berryessa Valley Comment
  UC917116  Limnanthes douglasii D. C. Finfrock 1950-4-4 10 Napa along roadside of State Hwy 29 Yountville (n edge of Yountville) Comment
  UC971874  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-5-8 1182 Napa Pope Valley Comment
  SEINET5556952  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19736 Napa 3 mi. south of Calistoga. 91 Comment
  CDA13214  Limnanthes floccosa subsp. floccosa G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12915 Napa North Coast Biodiversity Arena; in of Palisades in Cub Valley. MonteSol Ranch. Comment
  JEPS112562  Limnanthes floccosa subsp. floccosa Jake Ruygt 1993-4-3 3180 Napa Little Bear Valley 676 Comment
  JEPS29592  Linanthus androsaceus Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8449 Napa 0.75 mi s Capell Valley (slope above Calif Highway 37, along Capell Creek); Capell Creek 249 Comment
  UC1005688  Linanthus androsaceus Frank W. Gould 1939-4-6 602 Napa 11 mi e Napa 304 Comment
  CAS-BOT-BC94929  Linanthus dichotomus R. C. Wenk; E. S. Wenk 2006-4-30 441 Napa Robert Louis Stevenson S.P., trail going E from Highway 29 parking lot for trail to M. St. Helen Comment
  JEPS110977  Linanthus dichotomus subsp. meridianus Jake Ruygt 1976-4-25 31 Napa 23.5 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 630 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
  NY76910  Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km west of Hardin Road, and 60 m. north of vernal pool Comment
  CDA38720  Linanthus parviflorus D. G. Kelch 2010-5-6 10 .179 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS110968  Linanthus parviflorus Jake Ruygt 1986-3-29 1672 Napa Blue Ridge above Toll Canyon 432 Comment
  UC146063  Linanthus parviflorus H. P. Chandler 1907-4-25 7538 Napa Chiles Valley road Comment
  UC23769  Linanthus parviflorus Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Napa River Basin Comment
  UC1301143  Linanthus parviflorus Helen K. Sharsmith 1963-4-20 5332 Napa 4 mi s Napa (off of Kelly Road); San Francisco Bay Region 45 Comment
  UC908955  Linanthus parviflorus Herbert L. Mason 1928-4-13 4332 Napa between Santa Rosa and Calistoga Comment
  RSA121900  Lithocarpus densiflorus var. densiflorus R. W. Lundh 1933-7-14 256 Napa 1/2 mile northeast of McCormack Ranch. 427 Comment
Read comments
Jul 28 2014
  UC924229  Lithophragma affine H. S. Reed 1939-4-16 226 Napa Napa Hills 198 Comment
  JEPS47659  Lithophragma bolanderi Willis L. Jepson 1893-4-24 13470 Napa hills e St. Helena; Napa River Basin, e of St. Helena Comment
  UC1088545  Lithophragma heterophyllum Roy L. Taylor 1959-5-3 4032 Napa one half mi from Mayachamas Vineyard Office Comment
  RSA195291  Lithophragma parviflorum Gilbert Muth 1967-4-30 663 Napa Near entrance to Shell Valley. 183 Comment
  CAS-BOT-BC283553  Lolium multiflorum Peter H. Raven 1952-5-29 4080 Napa Napa River, 1 mile N of Napa 60 Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 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
  UC1563667  Lomatium californicum Barbara Ertter with Annetta Carter 1989-5-28 8498 Napa 9.0 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa); n of Lake Berryessa 243 Comment
  UC1563883  Lomatium californicum Barbara Ertter with Annetta Carter 1989-5-28 8498 Napa 9.0 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa); n of Lake Berryessa 243 Comment
  CDA38343  Lomatium californicum B. E. Eaton 1972-4-5 s.n. Napa Calistoga. 0 Comment
  SBBG5198  Lomatium californicum H. and M. Dearing -May-1939 3243 Napa Napa County [no specific locality] Comment
  HSC21569  Lomatium dasycarpum subsp. dasycarpum Greg Bos 1963-3-24 48 Napa NW end of Lake Berryessa, at Putah Creek 457 Comment
  UCD148111  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-3-15 454 Napa South of Milliken Canyon near east end of Westgate Drive. 164 Comment
  JEPS122701  Lomatium dasycarpum var. dasycarpum Jake Ruygt 2004-5-3 4588 Napa About 0.3 mile east of Butts Canyon Road on Snell Valley Road. Quad: Aetna Springs. Comment
  RSA0000717  Lomatium dasycarpum var. medium W. L. Jepson 1896-6-2 14303 Napa Conn Valley Ridge. Napa Valley Basin. Comment
  UCD170163  Lomatium hooveri Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 776 Napa Knoxville Wildlife Area, chaparral above and west of Berryessa-Knoxville Road 473 Comment
  UCD18026  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 573 a 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
  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
  UCD18047  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 598 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
  SEINET8465426 Image available Lomatium macrocarpum Joseph Andorfer Ewan 1934-4-30 8836 Napa Steel Canyon 8 miles south of Monticello Comment
  POM225346  Lomatium marginatum J. T. Howell 1931-4-19 6466 Napa Conn Valley. Comment
  JEPS104546  Lomatium marginatum var. purpureum Jake Ruygt 1979-4-6 484 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Road 207 Comment
  JEPS129176  Lomatium marginatum var. purpureum Jake Ruygt 2015-3-7 6032 Napa South of Snell Peak. Aetna Spring 7.5' Quad. Comment
  UC517964  Lomatium marginatum var. purpureum John Thomas Howell 1931-4-3 6148 Napa Butts Valley Rd. to Middletown 5 mi. from Aetna Springs Comment
  UCD161354  Lomatium marginatum var. purpureum Jake Ruygt 1987-5-23 2009 Napa North end of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 441 Comment
  POM180785  Lomatium repostum J. T. Howell 1930-7-13 5358 Napa On the edge of the Crater Country Comment
  SEINET196136  Lomatium repostum Lincoln Constance, JF Davidson WH. Wagner; RH Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  CDA41074  Lomatium utriculatum G. F. Hrusa, J. Messina 1989-3-3 5873 Napa North Coast Biodiversity Arena; along Hwy 128 W of Monticello Dam (Lake Berryessa). Comment
  UCD170739  Lomatium utriculatum 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
  UCD47866  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 24 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Barryessa-Knoxville Road. 411 Comment
  UCD47867  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 25 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UCD81823  Lomatium utriculatum Ellen Dean 2009-4-24 5450 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS104518  Lomatium vaginatum Jake Ruygt 1994-3-19 3324 Napa Table Rock 743 Comment
  CAS-BOT-BC240563  Lonicera hispidula H. E. McMinn 1923-5-25 967 Napa Summit Wooden Valley Grade Comment
  JEPS106724  Lonicera hispidula var. vacillans Jake Ruygt 1979-6-1 663 Napa 1.2 miles west of HWY 29 on Diamond Mtn. Road 195 Comment
  POM46741  Lonicera hispidula var. vacillans W. L. Jepson 1893-9-21 s.n. Napa Napa River Basin, Wooden Valley Grade. Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  RSA293011  Lotus micranthus Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 755 Napa Mt. Saint Helena. Comment
  JEPS107208  Lotus pinnatus Jake Ruygt 1986-5-18 1774 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 449 Comment
  UC1300862  Lotus purshianus var. purshianus Helen K. Sharsmith 1962-6-3 5102 Napa Napa to Soda Springs road; San Francisco Bay Region 152 Comment
  UC1129135  Lotus scoparius A. Lewis 1932-5-1 103 Napa Sarco Creek Napa Quad. 243 Comment
  UCR220102  Lotus scoparius var. scoparius Ayzik Solomeshch, Stephen Rae 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  JEPS107203  Lotus strigosus Jake Ruygt 1991-4-20 2635 Napa Mead Ranch, Atlas Peak Rd. 548 Comment
  UC15756  Lupinus affinis Willis L. Jepson 1893-4-26 Napa Oakville; Napa River Basin, Oakville Comment
  RSA13515  Lupinus affinis H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  RSA15682  Lupinus albifrons var. albifrons Carl B. Wolf 1928-2-25 1486 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD170209  Lupinus albifrons var. albifrons Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 748 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  POM10771  Lupinus albifrons var. eminens C. F. Baker 1903-4-20 2603 Napa Mt. St. Helena. Comment
  JEPS107222  Lupinus bicolor Jake Ruygt 1979-5-2 569 Napa SE corner of Big Ranch Rd. and Trancas Street, Napa 13 Comment
  JEPS107231  Lupinus bicolor Jake Ruygt 1982-4-25 1204 a Napa Aetna Springs below Swartz Canyon 246 Comment
  JEPS64975  Lupinus bicolor W. L. Jepson 1915-4-23 6265 Napa Chiles Creek hills Conn Valley, Chiles Creek hills Comment
  UC82070  Lupinus bicolor C. F. Baker 1903-4-19 1982 Napa Calistoga Comment
  UCD148792  Lupinus bicolor Ellen Dean; Diana Hickson 2014-4-29 8100 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD161754  Lupinus bicolor Jake Ruygt 1996-4-27 3637 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 219 Comment
  OBI25607  Lupinus chamissonis R. L. Hoover 1968-4-11 20 Napa One block W of hwy 1 on Palm Ave, Marina Comment
  POM181010  Lupinus densiflorus var. densiflorus Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley. Comment
  UC196167  Lupinus formosus C. F. Sonne April 1888 Napa field near Napa Junction Comment
  JEPS65223  Lupinus formosus var. formosus Willis L. Jepson 1893-9-24 69 t Napa Angwin's Meadows Howell Mt. (Howell Mt.); Napa River Basin, , Angwin's Meadows Comment
  SEINET10490750  Lupinus formosus var. formosus Donald E. Bright 1962-6-9 Bright 264 Napa Roadside, 5 mi n of calistoga, along highway 29. Comment
  JEPS65285  Lupinus latifolius var. latifolius Willis L. Jepson 1893-4-24 26 t Napa hills e St. Helena; Napa River Basin, hills e of St. Helena Comment
  SEINET239734  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa Rocky roadside CA 128 E. 7.4 mi E jct. Hwy 29 in Ruthford. 3.6 mi w jct. lower Chiles Valley Rd. Comment
  UCD145261  Lupinus microcarpus var. densiflorus Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-12 153 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 166 Comment
  UCD160781  Lupinus microcarpus var. densiflorus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8661 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 552 Comment
  RSA659034  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa Ca 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  SEINET239733  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa Steep roadside of redrock shale CA 128 E 7.2 mi E jct. Ca 121 2.9 mi W Monticello Dam Lake Berryessa 274 Comment
  JEPS107216  Lupinus microcarpus var. microcarpus Jake Ruygt 1988-5-29 2195 Napa Cedar Valley 588 Comment
  CHSC84571  Lupinus nanus John Dittes 2003-4-5 2003 -14 Napa Inner North Coast Range; approximately 6.0 air-miles north of Calistoga, west of confluence of St. Helena and Van Ness Creeks, approximately 0.7 air-mile south of the Lake County Line; on slope below State Hwy 29. 475 Comment
  UC483321  Lupinus nanus Ira L. Wiggins 1932-3-12 5765 Napa between Franz Valley and Calistoga; between Franz Valley and Calistoga Comment
  UCD109259  Lupinus nanus G. L. Webster 1967-3-23 7492 Napa ca. 1 mi. S of Spanish Flat. 167 Comment
  UCD48962  Lupinus nanus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 15 Napa SW end of Lake Berryessa, Quail Ridge Reserve, above stream that runs along North Decker Canyon Rd., 50-70 ft. N of stream. 167 Comment
  UCD70476  Lupinus nanus P. J. Plummer 1995-5-27 s.n. Napa W of city of Winters, off hwy 128. 335 Comment
  UCD164863  Lupinus nanus Jake Ruygt 2012-4-16 5816 -d Napa South half of Spanish Valley. 237 Comment
  JEPS65412  Lupinus pachylobus Edw. L. Greene 1892-1 Napa Mt. St. Helena Comment
  JEPS65423  Lupinus polyphyllus Willis L. Jepson 1893-6-26 24 t Napa Howell Mt.; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CAS-BOT-BC202222  Lupinus sericatus Charles Piper Smith 1931-5-2 4501 Napa Toll House Inn Comment
  JEPS96702  Lupinus sericatus Dean W. Taylor 1998-6-3 16450 Napa Livermore Road, edge of roadway bordering walnut orchard, ca. 1 air mile S of Three Peaks 640 Comment
  JEPS107243  Lupinus succulentus Jake Ruygt 1982-5-8 1227 Napa American Canyon .7 miles east of Flosden Road 54 Comment
  UCD149636  Lupinus succulentus Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  JEPS126044  Luzula comosa var. comosa Jake Ruygt 1992-3-18 2855 Napa Next to south lake, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCD167070  Luzula comosa var. comosa Jake Ruygt 2007-3-3 5122 Napa Las Posadas States Forest, in upper meadow north of fire station. 521 Comment
  JEPS67170  Luzula macrantha W. L. Jepson 1894-5-1 2 a Napa Upper Conn Valley Comment
  UCD118560  Luzula subsessilis Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road. 519 Comment
  UCD168553  Luzula subsessilis 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
  JEPS45953  Lythrum hyssopifolia Willis L. Jepson 1893-6-26 14091 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UCD149591  Lythrum hyssopifolia 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
  RSA0011307  Lythrum hyssopifolia E. S. Spalding 1924-7-7 s.n. Napa Napa Valley near St. Helena. Comment
  CAS-BOT-BC343833  Madia elegans Alice Eastwood 1918-9-3 7966 Napa Calistoga Comment
  CAS-BOT-BC343826  Madia elegans Peter H. Raven 1951-6-10 s.n. Napa Rt. #29 north of Calistoga 152 Comment
  CAS-BOT-BC343831  Madia elegans Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS7502  Madia elegans W. L. Jepson 1939-9-12 19485 Napa w St. Helena; Spring Mountain Comment
  UCD161749  Madia elegans Jake Ruygt 1995-6-5 3489 Napa about 2 miles south of Lake Hennessey on private road (Taylor). 408 Comment
  CAS-BOT-BC344446  Madia exigua David D. Keck 1933-5-29 2357 Napa Pope Creek bridge south of Walters Springs Comment
  UC165024  Madia exigua J. P. Tracy 1902-5-16 1492 Napa 3 to 4 mi e Angwins (Head of Moores Creek); Howell Mountain 457 Comment
  JEPS129043  Madia gracilis Jake Ruygt 2016-6-5 6272 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC343205  Madia gracilis H. M. Hall 1931-5-26 13088 Napa Napa Range, west side Comment
  CAS-BOT-BC343207  Madia gracilis Ira L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles north-east of Calistoga Comment
  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-BC8139  Madia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  CDA11134  Madia nutans G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11824 Napa North Coast Biodiversity Arena; Mt. George. Comment
  CLARK-A1528-2006  Madia nutans John C. Roos 1939-4-16 258 Napa Angwin Comment
  RSA104111  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  CAS-BOT-BC539355  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Hwy 29 near Paoli Loop Road, American Canyon 19 Comment
  POM56203  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa. Comment
  JEPS122763  Malacothamnus fremontii Jake Ruygt 2008-7-19 5360 Napa Eticuera Creek, at Long Canyon. Quad: Knoxville. Comment
  UCD167283  Malacothamnus fremontii Jake Ruygt 2003-6-21 4552 Napa West of Berryessa Knoxville Road near mouth of Foley Creek. 329 Comment
  UCD37682  Malacothrix Beecher Crampton 1961-6-12 5899 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS106900  Malacothrix clevelandii Jake Ruygt 1982-5-15 1260 Napa Stag's Leap on Soda Canyon side. Yountville 7.5' Quad. 426 Comment
  JEPS36797  Malacothrix clevelandii W. L. Jepson 1938-5-25 18865 Napa Bell Canyon, Napa Range, Howell Mt. Comment
  CAS-BOT-BC347511  Malacothrix floccifera H. M. Hall 1931-5-27 13096 Napa Near Knoxville Comment
  CAS-BOT-BC347513  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC347518  Malacothrix floccifera Alice Eastwood; John Thomas Howell 1939-6-11 7423 Napa Hood Mt. Range sw. of Oakville Comment
  UC831138  Malacothrix floccifera Alice Eastwood and John Thomas Howell 1939-6-11 7423 Napa sw of Oakville; Mt. Hood Range Comment
  JEPS36780  Malacothrix floccifera W. L. Jepson 1896-6-2 Napa Napa Valley. Comment
  UC194452  Malacothrix floccifera C. F. Sonne 1897-4-1 Napa Sulphur Springs St. Helena Comment
  UCD19946  Marah fabacea E. A. Dean; Virginia Boucher 2002-2-28 902 Napa Quail Ridge Reserve. Along East Rd., 0.65 airline miles SE of stock pond at tip of ridge, where East and West Roads converge. 396 Comment
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  UCD170145  Marah watsonii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 731 Napa Knoxville Wildlife Area. 311 Comment
  UCD48877  Marah watsonii Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along S. Decker Canyon Rd. just S of jct with Cut-Off Rd. 228 Comment
  POM66927  Medicago polymorpha Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD15989  Medicago polymorpha C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 27 Napa McLaughlin Reserve,North of Knoxville-Berryessa Rd. Along old Knoxville Rd., just S of site of lod town of Knoxville, W side of road. 38 deg. 49' 38.7'' N; 122 deg. 20' 22.4'' W; 420 m. Comment
  UCD48970  Medicago polymorpha C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 13 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Road and Decker Bay Trail. Approx. 90 ft. NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  JEPS126123  Medicago praecox Jake Ruygt 2010-4-24 5518 Napa Pope Canyon Road, just west o road summit. Walter Springs 7.5' Qua. Comment
  UC771210  Melica californica W. S. Boyle 1942-4-25 1071 Napa 10 mi n Napa (on the Silverado Trail road) Comment
  UCD159944  Melica californica Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD41416  Melica californica Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 129 Napa California, Napa County, McLaughlin UC Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, side of road. 487 Comment
  SEINET5322427  Melica californica M. Mooney 1982-4-17 452 Napa Stebbins-Cold Canyon Nature Preserve, south of dam at Lake Berryessa 91 Comment
  CAS-BOT-BC282166  Melica geyeri J. P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles E of Angwin's 396 Comment
  JEPS122950  Melica geyeri Jake Ruygt 1983-4-1 1400 Napa Redwood Road north of Mt. La Salle. Quad: Sonoma. 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
  SEINET239009 Image available Melica geyeri Beecher Crampton 1967-5-15 7936 Napa Sonoma County Napa County line 4 miles northwest of Calistoga on Hwy 128 Comment
  UCD121128  Melica geyeri Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7341 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  UCD148804  Melica geyeri Ellen Dean; Diana Hickson 2014-4-29 8111 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  UCD81834  Melica geyeri Ellen Dean 2009-4-24 5464 Napa Property at 600 Petrified Forest Road. 170 Comment
  CAS-BOT-BC264211  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CAS-BOT-BC264213  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CAS-BOT-BC264218  Melica torreyana D. H. Esplin; Bolander 1969-4-30 19 Napa Pope Valley near Lake Berryessa 121 Comment
  CDA12102  Melica torreyana G. F. Hrusa 1989-4-24 5961 Napa North Coast Biodiversity Arena; W side of upper Chiles Valley. Comment
  HSC10377  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  RSA10676  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD149633  Melica torreyana G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD160727  Melica torreyana Ellen Dean 2015-5-23 8779 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD163272  Melica torreyana D. Slakey; CNPS Volunteers 2015-4-25 117 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCD21500  Melica torreyana Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4402 Napa Quail Ridge Reserve. 268 Comment
  UCD38823  Melica torreyana Beecher Crampton 1958-4-29 4756 Napa Capell Creeks. Comment
  UCD81835  Melica torreyana Ellen Dean 2009-4-24 5465 Napa Property at 600 Petrified Forest Road. 170 Comment
  CHSC102536  Melilotus indicus Lowell Ahart 2009-10-27 16487 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD48030  Melilotus indicus Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 12 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS129115  Melilotus officinalis Jake Ruygt 2009-6-27 5456 Napa Hunting Creek near Morgan Valley. Jericho Valley 7.5' Quad. Comment
  JEPS110791  Melissa officinalis Jake Ruygt 1992-7-10 3080 Napa Yountville Ecological Reserve, Yountville Cross Rd., Napa River 26 Comment
  CDA34659  Mentha X piperita L. Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  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
  RSA781272  Mentzelia laevicaulis J. T. Howell 1927-6-24 265 Napa Pope Valley Creek near Walter s Springs. Comment
  UCD170200  Micranthes californica Daniel Potter 2015-3-14 757 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 241 Comment
  CAS-BOT-BC428852  Micranthes californica Peter H. Raven 1953-4-2 5295 Napa Tulucay Creek 243 Comment
  CAS-BOT-BC348541  Micropus californicus var. californicus John H. Thomas 1955-5-21 5145 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC348543  Micropus californicus var. californicus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6656 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  CAS-BOT-BC348548  Micropus californicus var. californicus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC348549  Micropus californicus var. californicus Peter H. Raven 1950-4-15 1754 Napa Wooden Valley Grade, above Napa 457 Comment
  JEPS106896  Micropus californicus var. californicus Jake Ruygt 1983-5-8 1454 Napa Skyline Park, Napa 213 Comment
  CAS-BOT-BC348968  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-19 6449 Napa Conn Valley Comment
  CAS-BOT-BC348969  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  UCD121175  Microseris douglasii subsp. douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7355 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  CAS-BOT-BC349185  Microseris elegans John Thomas Howell 1931-4-4 6170 Napa Napa Valley at Myrtledale Hot Springs Comment
  UC84379  Microseris laciniata subsp. laciniata Alice Eastwood 1900-5-6 Napa near Calistoga Comment
  RSA31299  Microseris lindleyi Joseph A. Ewan 1934-4-30 8813 Napa Sarco Creek, 4 miles above Napa. Comment
  UCD18046  Microsteris gracilis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 597 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  CDA13210  Mimulus angustatus G. F. Hrusa, M. J. Geitner 1996-4-2 12824 Napa North Coast Biodiversity Arena; Near junction of canyons below the Palisades leading to Bear Valley and Cub Valley. MonteSol Ranch. Comment
  JEPS101494  Mimulus angustatus Dean W. Taylor 1998-6-3 16453 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  JEPS110750  Mimulus angustatus Jake Ruygt 1979-5-19 607 Napa Giles Meade Ranch, Atlas Peak Rd. 487 Comment
  UCD49285  Mimulus aurantiacus A. Collier; D. Caterson and S. Kenady 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 10 m. 350 Comment
  JEPS41084  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9096 Napa about 3 air mi s Knoxville (in canyon just sw of waterfall of Zim Zim Creek, leading to headwaters of Nevada Creek) 396 Comment
  RSA298679  Mimulus aurantiacus var. aurantiacus D. C. Michener, Walter Wisura, D. Charlton, John Dourley 1982-7-25 4117 Napa [Unspecified] Comment
  UC1177879  Mimulus bolanderi Francia Chisaki 1957-5-30 970 Napa between Chiles Valley and Monticello; Soda Creek Comment
  RSA523897  Mimulus guttatus W. L. Jepson 1893-5-8 10 Napa Howell Mountain, La Galea Plateau. Napa River Basin. Comment
  SEINET7041069  Mimulus guttatus Christopher T. Ivey 2002-5-2 360 Napa In serpentine seep on south side of Pope Creek, just east of bridge on Pope Canyon Road, 5.1 mile west of Knoxville-Berryessa Road. Comment
  JEPS110612  Mimulus inodorus Jake Ruygt 2005-5-25 4865 Napa Munson Ranch, E end of Circle Oaks, Ridgecrest Drive 438 Comment
  UC27065  Mimulus inodorus Willis L. Jepson 1895-11-26 Napa Angwin's Meadow Napa River Basin Comment
  JEPS110586  Mimulus kelloggii Jake Ruygt 1980-5-3 869 Napa Bear Valley 731 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
  RSA670138  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd, 1 mi NW of Homsestake mine. 655 Comment
Read comments
Nov 11 2011
  UCD96138  Mimulus layneae Dena Grossenbacher; Brian Green 2008-5-7 821 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  NY90742  Mimulus luteus var. gracilis G. Thurber 03 1852 498 Napa Comment
  JEPS10501  Mimulus microphyllus Mary Van E. Ferguson 1919-4-13 Napa Atlas Peak Comment
  JEPS11442  Mimulus microphyllus Willis L. Jepson 1893-5-8 10 m Napa La Jota Plateau Napa River Basin, Howell Mountain Comment
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  UCD122792  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  UCD96581  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-29 851 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  UC1103332  Mimulus pulsiferae Joseph P. Tracy 1933-4-30 12105 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  UCSC010460  Minuartia californica Dylan M. Neubauer, Tim Forsell 2016-4-1 609 Napa (NCoRI) just east of Butts Canyon Road, 2.49 air-miles sse Snell Peak 329 Comment
  CAS-BOT-BC174563  Minuartia californica G. DeNevers 1982-3-21 1939 B Napa Along Atlas Peak Road. Napa Range Mt. Comment
  JEPS51426  Minuartia californica W. L. Jepson 1940-2-29 19500 Napa 4 mi se Yountville; Vicinity of San Francisco Bay, Napa Valley Comment
  SEINET5725995 Image available Minuartia californica Stephen Randall 1974-1 3 Napa 1 air mile southeast of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  CAS-BOT-BC388755  Minuartia douglasii Alice Eastwood 1915-6-6 4677 Napa Mt. St. Helena Comment
  CAS-BOT-BC388757  Minuartia douglasii John Thomas Howell 1931-4-19 6458 Napa Conn Valley Comment
  CAS-BOT-BC388762  Minuartia douglasii Betty H. Johnson 1958-6-15 611 Napa Slope near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS110829  Monardella villosa subsp. villosa Jake Ruygt 1979-6-9 680 Napa 11.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 234 Comment
  CAS-BOT-BC220696  Monardella viridis Willie Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  UCD166673  Monardella viridis Jake Ruygt 1992-6-22 3048 Napa Wild Horse Valley Ranch, northwest of vernal pool meadow. 481 Comment
  JEPS55471  Monardella viridis subsp. viridis Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  JEPS122677  Muilla maritima Jake Ruygt 1983-4-4 1410 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  JEPS126065  Myriophyllum spicatum Jake Ruygt 2010-8-14 5716 Napa Lake. Walter Springs 7.5' Quad. Comment
  JEPS129124  Najas minor Jake Ruygt 2010-8-14 5722 Napa NW shore of Lake Berryessa; Barton Hill. Walter Springs 7.5' Quad. Comment
  CAS-BOT-BC259965  Nassella lepida David D. Keck 1931-4-2 1017 Napa Wooden Valley Grade, W side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC260176  Nassella pulchra Peter H. Raven 1950-4-15 1727 Napa Monticello Road, Napa Valley, near Napa 243 Comment
  UCD36948  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  UCD87480  Nassella pulchra Beecher Crampton 1962-5-16 6433 Napa 0.5 mile W of Aetna Springs. Comment
  CAS-BOT-BC230259  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa E end of Pope Valley Comment
  UC963810  Navarretia cotulifolia H. L. Mason 1933-4-30 7223 Napa n of Aetna Springs (near Napa-Lake county line); Inner North Coast Range Comment
  UC856874  Navarretia heterodoxa John Thomas Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  JEPS120319  Navarretia intertexta Jake Ruygt 2002-5-18 4419 Napa Missimer/Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UC143015  Navarretia intertexta Katharine Brandegee 1910-7-27 Napa near Angwin's Comment
  JEPS16710  Navarretia intertexta Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4126 Napa 5.25 mi n Calistoga (along road to Middletown (State Highway 29)) 411 Comment
  UC908407  Navarretia intertexta Herbert L. Mason 1935-5-30 8329 Napa between Lower Lake and Knoxville mine (Napa-Lake counties) 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
  SD3929  Navarretia jepsonii Katherine Brandegee 1910-7-26 Napa Near Aetna Springs Comment
  JEPS112557  Navarretia mellita Jake Ruygt 2000-6-10 4266 Napa Berryessa-Knoxville Rd at old homestead near Zim- Zim Creek 304 Comment
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  JEPS41315  Navarretia pubescens W. L. Jepson 1943-5-15 20838 Napa Knoxville Ridge Comment
  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
  JEPS83636  Navarretia rosulata R. Raiche 1987-5-23 70198 Napa W of Lake Berryessa, Cedar Roughs, headwaters of Hardin Creek, SW of Gilliam Spring, top of ridge, 640 Comment
  JEPS123265  Navarretia rosulata David Gowen with Jake Ruygt 2011-6-11 1157 Napa Cedar Roughs. Comment
  UC142969  Navarretia squarrosa Katharine Brandegee 1910-7-26 Napa Pope Valley Comment
  JEPS70480  Navarretia tagetina Willis L. Jepson 1893-6-26 15027 Napa Howell Mt. Napa River Basin Comment
  UCD167202  Navarretia tagetina Jake Ruygt 2002-6-10 4434 Napa End of Soda Canyon Road, north end of Foss Valley. 445 Comment
  SEINET10461258  Nemacladus montanus Rimo Bacigalupi, Lauramay T. Dempster; Guy T. Robbins 1954-5-25 Bacigalupi 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir) Comment
  SEINET10873473  Nemacladus montanus Willis L. Jepson 1920-5-25 Jepson 9037 Napa Knoxville Ridge, northeast Napa County Comment
  CAS-BOT-BC219371  Nemophila Saichi Kawahara 1968-4-20 342 Napa Chiles-Pope Valley Road, 2 miles south of Pope Valley 259 Comment
  SEINET3156475  Nemophila divaricata L. S. Rose 1939-4-16 39087 Napa 10 miles NE of Napa, Wooden Valley Comment
  JEPS3152  Nemophila heterophylla W. L. Jepson 1910-3-28 4023 Napa sw Calistoga (on Rebecca Ranch grade); sw of Calistoga, on Rebecca Ranch grade Comment
  UCD19943  Nemophila heterophylla E. A. Dean; Virginia Boucher 2002-2-28 895 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  UCD73400  Nemophila heterophylla 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
  UC606891  Nemophila heterophylla L. Constance 1938-3-27 2035 Napa e slope 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  SFV8490  Nemophila menziesii S. Randall 1974-4-13 13 Napa 1 air mile southwest of Pope Valley, just west of Chiles-Pope Valley Road. 207 Comment
  UCD120214  Nemophila menziesii G. F. Hrusa; S. Larson 1995-4-10 12063 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCD120234  Nemophila menziesii Michael A. Vincent; Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80. Comment
  JEPS1480  Nemophila menziesii W. L. Jepson 1940-2-29 19497 Napa Yount School Vicin San Francisco Bay, e side Napa Valley, Yount School (e side Napa Valley, vicinity of San Francisco Bay) Comment
  UCD120239  Nemophila menziesii var. atomaria Charles B. Heiser Jr. 1947-2-18 1880 Napa 14 miles north of Napa. Comment
  JEPS110844  Nemophila menziesii var. menziesii Jake Ruygt 1996-3-23 3531 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  CHSC102523  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS12230  Nicotiana acuminata var. multiflora H-M. Wheeler 1942-11-2 503 Napa s end Conn Creek Road (at bridge over Conn Creek); Conn Valley, Conn Creek Comment
  JEPS12270  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  JEPS12274  Nicotiana acuminata var. multiflora W. L. Jepson 1937-7-16 18449 Napa about 1 mi above St. Helena Sanitarium (lower slope of Howell Mt); Napa Range, Howell Mt. Comment
  SD58155  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  UCD126688  Nicotiana acuminata var. multiflora J. M. Tucker; C. H. Lamoureux 1958-6-8 3404 Napa beside State Highway 128, 2.7 miles northeast of Rutherford. Comment
  UCSC000650  Nicotiana bigelovii H. S. Reed 1948-11-6 s.n. Napa Putah Creek 102 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
  SEINET12332381  Odontostomum hartwegii A. Liston, Meury, S. 1988-1 755 -1 Napa Bothe - Napa Valley State Park, campground site 21 150 Comment
  JEPS44834  Oemleria cerasiformis Willis L. Jepson 1893-5-9 13828 Napa sw of St. Helena (Niebaum's Dam); Napa River Basin Comment
  JEPS104513  Oenanthe sarmentosa Jake Ruygt 1980-5-9 880 Napa Edgerley Island 0 Comment
  UCD83860  Olea europaea Ellen Dean; Stephen Rae 2010-3-15 5818 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCR23341  Onychium densum John C. Roos 1938-12-10 286 Napa North Coast Range, Blake's Canyon, Pacific Union College, Angwin Comment
  JEPS110572  Orobanche fasciculata Jake Ruygt 1992-5-20 2992 Napa west of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  RSA202268  Orthocarpus faucibarbatus L. D. Thurman 1964-4-15 392 Napa 5 miles north of Napa on Silverado trail. Comment
  RSA101987  Orthocarpus lithospermoides Frank W. Johnson 1890-5-27 260 Napa Napa Valley. Comment
  UCD22734  Orthocarpus pusillus C. H. Pinney 1975-4-15 28 Napa Approximately 2.5 miles east of W Ragg Canyon Rd. on Hwy 128. 259 Comment
  JEPS23648  Packera clevelandii W. L. Jepson 1897-7-12 Napa near Samuel's Springs; Pope Creek Comment
  UC570397  Packera clevelandii Chas. M. Belshaw 1936-9-20 2687 Napa 3 mi nw Knoxville; North Inner Coast Range 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
  JEPS81214  Packera eurycephala var. eurycephala Douglas W. James Jr. 1973-5-5 97 Napa near, not far from road that runs through the ranch MacDonald Ranch property line; Las Posadas State Forest, Pope Valley 411 Comment
  LA203912  Packera eurycephala var. eurycephala Joseph Andorfer Ewan; 1934-4-30 8826 Napa near Samuel Springs, above Monticello on Pope Valley Grade Comment
  CAS-BOT-BC316879  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa Pope Creek Canyon 1 mile below Samuels Springs Comment
  UC912546  Packera eurycephala var. eurycephala Herbert L. Mason 1934-4-30 8108 Napa Pope Canyon Comment
  CAS-BOT-BC316943  Packera greenei Robert Francis Hoover 1966-5-28 9878 Napa just south of summit on Butts Canyon Road from Pope Valley Comment
  HSC46346  Packera greenei J. P. Smith, J. O. Sawyer 1970-5-17 3781 Napa 8 mi. N of Pope Valley Comment
  UC761908  Packera greenei Robert F. Hoover 1941-6-8 5319 Napa e side Mount St. Helena Comment
  UCD134782  Packera greenei Jack Major 1961-6-13 546 Napa State Highway 128, 3.9 miles northwest of Moskowite's Corners. Comment
  JEPS122963  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-10 1760 Napa Devil's Canyon, above the falls. Quad: Mt. Sonoma. Comment
  UCD164816  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  JEPS122959  Parapholis incurva Jake Ruygt 1993-5-8 3252 Napa South of Fagan Slough near edge of Napa Marsh. Quad: Cuttings Wharf. Comment
  UC1300832  Parvisedum pumilum Helen K. Sharsmith 1963-4-20 5342 Napa San Francisco Bay Region, southern slopes of Mount Atlas Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC1198828  Parvisedum pumilum Joseph P. Tracy 1933-4-30 12116 Napa Howell Mountain near Toland House Howell Mountain 457 Comment
  UC540616  Parvisedum pumilum H. L. Mason 1935-5-31 Napa 3 mi s of Napa (near highway) Comment
  CAS-BOT-BC259732  Paspalum distichum Peter H. Raven 1951-9-9 3897 Napa Near Slaughterhouse Point, Napa River 0 Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD17972  Pectocarya pusilla Ellen Dean; Kate Mawdsley 2001-4-9 691 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UC25011  Pectocarya pusilla Willis L. Jepson 1893-3-13 Napa hill e St. Helena Comment
  UCD74366  Pectocarya pusilla Jake Ruygt 1981-4-18 978 Napa Harris Canyon west of Blue Ridge. 243 Comment
  UCD117471  Pedicularis densiflora Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Right next to road. Ca. 0.1 mile northeast from fire station. On north side of road. 518 Comment
  UCD18029  Pedicularis densiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 574 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
  UCR20384  Pedicularis densiflora D. V. Hemphill, J. C. Roos 1949-4-16 4289 Napa North Coast Range, Pacific Union College, Howell Mountain 499 Comment
  RSA10645  Pedicularis densiflora Carl B. Wolf 1928-5-3 1845 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  RSA195367  Pedicularis densiflora Gilbert Muth 1967-3-31 596 Napa Old Howell Mountain road. 457 Comment
  UC1278029  Pedicularis densiflora B. Crampton 1953-2-26 989 Napa about 6 mi e of Monticello (above Putah Creek, along State Hwy 128) Comment
  UCD149673  Pellaea mucronata var. mucronata Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  SFV8540  Penstemon heterophyllus B. Henry 1973-5-5 23 Napa North Coast Ranges Vaca Mountains. State Highway 128, 2 miles above Monticello Dam. 150 Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  UC726424  Penstemon newberryi var. sonomensis A. A. Heller 1941-5-3 16086 Napa Mt. St. Helena, about half way up along the road leading to the sumit Comment
  JEPS120381  Pentachaeta exilis subsp. exilis Jake Ruygt 1998-5-2 3951 Napa Jerd Creek Comment
  JEPS12439  Perideridia kelloggii W. L. Jepson 1915-4-23 6252 Napa Conn Valley Napa Range Comment
  UCD170281  Perideridia kelloggii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 821 Napa Knoxville Wildlife Area, north of Nevada Creek. 535 Comment
  JEPS129109  Perideridia oregana Jake Ruygt 2015-6-13 6128 Napa Fernandes - Snell Peak, Land Trust. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC419301  Persicaria punctata Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UC24391  Phacelia Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs Napa River Basin Comment
  JEPS2386  Phacelia distans Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  JEPS2147  Phacelia egena W. L. Jepson 1924-5-8 10413 Napa Pope Creek Comment
  UCD48043  Phacelia imbricata M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 6 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UCD81821  Phacelia imbricata Ellen Dean 2009-4-24 5448 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC24385  Phacelia imbricata Edw. L. Greene July 1891 Napa near St. Helena; ; near St. Helena Comment
  JEPS110865  Phacelia imbricata subsp. imbricata Jake Ruygt 1977-4-17 190 Napa Oat Hill Mine Rd., .2 mile east of HWY 29 176 Comment
  JEPS47331  Phacelia imbricata subsp. imbricata L. R. Heckard and R. Bacigalupi 1965-5-15 1459 Napa about 5 mi s Knoxville; Nevada Creek 304 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
  JEPS68361  Phacelia suaveolens L. R. Heckard 1972-6-26 2995 Napa se lookout (rocky flat near radar station); Mt. St. Helena 1219 Comment
  UCD48041  Phacelia tanacetifolia M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 2 Napa McLaughlin UC Reserve. SW of old town of Knoxville on N side of Knoxville-Berryessa Rd. 426 Comment
  UCD166688  Phacelia tanacetifolia Jake Ruygt 1998-5-20 3987 Napa Blue Ridge, +/- 1.5 miles north of Mays Flat. 685 Comment
  CAS-BOT-BC265791  Phalaris aquatica Peter H. Raven 1951-6-24 3034 Napa Napa 30 Comment
  UCD162120  Phoradendron californicum Dylan O. Burge 2014-3-15 1498 Napa Mount Saint Helena. 740 Comment
  CDA11824  Phoradendron densum G. F. Hrusa 1993-10-3 11427 Napa North Coast Biodiversity Arena; 2 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  JEPS56135  Phoradendron densum Donald V. Hemphill 1968-7-13 Napa sw Lake Berryessa; Cedar Roughs 609 Comment
  UCD49305  Phoradendron leucarpum subsp. tomentosum M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 22 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines. 243 Comment
  JEPS110894  Phyla nodiflora var. rosea Jake Ruygt 1991-6-29 2754 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  CAS-BOT-BC140549  Physocarpus capitatus Peter H. Raven 1950-6-20 2346 Napa In the Napa Range between Conn Valley and Howell Mtn. Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. 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
  SEINET11737237  Pinus attenuata Unknown 1944-1 s.n. Napa Calastoga Comment
  CAS-BOT-BC72882  Pinus ponderosa Peter H. Raven 1954-2-22 6417 Napa Hills n. of White Sulphur Spr., w. of St. Helena. 152 Comment
  JEPS120364  Pinus ponderosa Jake Ruygt 1979-4-23 551 Napa 0.1 mile NW of Howell Mountain Road, on Hill Road. Saint Helena 7.5' Quad. Comment
  CAS-BOT-BC72812  Pinus sabiniana James L. Reveal 1987-6-7 6405 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, 243 Comment
  JEPS103996  Pinus sabiniana Jake Ruygt 1997-11-1 3876 Napa Stags Leap 432 Comment
  JEPS46893  Pinus sabiniana W. L. Jepson 1895-11-1 Napa Howell Mountain Comment
  JEPS46896  Pinus sabiniana W. L. Jepson 1906-12-1 Napa St. Helena Comment
  UCD47757  Pinus sabiniana Michele Disney, S. Wathen; J. Westbrook, S. Ratay, R. Wolfson, A. Houser 2000-4-22 6 Napa Napa Co., Mclaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  JEPS129048  Piperia elongata Jake Ruygt 2016-6-11 6279 Napa Smittle Creek, west side Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC254387  Piptatherum miliaceum Catherine Best 1991-5-25 1379 Napa On BLM land in NE part of county Comment
  CAS-BOT-BC228012  Plagiobothrys L. R. Abrams 1928-5-3 $ 12229 Napa St. Helena Grade Comment
  JEPS122738  Plagiobothrys bracteatus Jake Ruygt 2011-5-7 5773 Napa Pope Valley, Pope Canyon Road at vernal marsh. Quad: St. Helena. Comment
  POM226101  Plagiobothrys bracteatus J. T. Howell 1933-5-21 11321 Napa Napa Comment
  UCD74378  Plagiobothrys canescens Jake Ruygt 1982-4-7 1171 Napa Suscol ridge west of Hwy. 221. 24 Comment
  JEPS68063  Plagiobothrys nothofulvus W. L. Jepson 1897-5-2 21158 Napa St. Helena Comment
  JEPS68096  Plagiobothrys nothofulvus W. L. Jepson 1900-3-9 510 Napa Howell Mt. Comment
  SEINET7072528  Plagiobothrys nothofulvus A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  UCD148840  Plagiobothrys nothofulvus Ellen Dean; Diana Hickson 2014-4-29 8144 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD20918  Plagiobothrys nothofulvus V. (Shorty) Boucher 2002-3-27 9 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. Comment
  UCD15494  Plagiobothrys nothofulvus Kathryn Specht 1984-4-28 8 Napa 2 miles East of Knoxville Road on Coyote Knoll. 121 Comment
  JEPS100374  Plagiobothrys stipitatus var. micranthus Dean W. Taylor 2001-5-15 17652 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UCD63861  Plagiobothrys stipitatus var. micranthus Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCD81829  Plagiobothrys stipitatus var. micranthus Ellen Dean 2009-4-24 5456 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  CAS-BOT-BC228490  Plagiobothrys strictus John Thomas Howell 1926-3-28 1778 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS24975  Plagiobothrys strictus W. L. Jepson 1893-5-2 Napa Calistoga Comment
  RSA0008558  Plagiobothrys strictus Joseph P. Tracy 1857 Napa Calistoga Hot Springs. 91 Comment
  RSA0008560  Plagiobothrys strictus D. D. Keck 1931-4-4 1095 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UC55911  Plagiobothrys tenellus J. P. Tracy 1902-5-18 1539 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  UCD161344  Plagiobothrys tener Jake Ruygt 1986-4-14 1703 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. (Coordinates estimated by label maker at UC Davis). 446 Comment
  RSA170256  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa Howell Mountain; on La Jota Plateau in Las Posadas State Forest. Comment
  UC632459  Plagiobothrys tener var. subglaber Beryl O. Schreiber 1938-4-24 2499 Napa 1/2 mi sw Knoxville; Reiff Quad. 609 Comment
Read comments
Jun 14 2013
  JEPS110785  Plantago erecta Jake Ruygt 1982-4-3 1159 Napa .2 mile north of Loma Vista Rd. on Soda Canyon Rd. 73 Comment
  UCD48070  Plantago erecta Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 14 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  SEINET5735104 Image available Plantago erecta Carol Moore 1974-1 12 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  UCD124178  Plantago erecta Beecher Crampton 1959-5-26 5259 Napa Martley Canyon, Vaca Mountain. State Hwy. 218. Comment
  JEPS110759  Plantago major Jake Ruygt 1996-5-11 3657 Napa SE of Suscol; Napa Sanitation District; Somky Ranch. 3 Comment
  UCD164741  Plantago major Jake Ruygt 2014-7-7 6020 Napa Pope Creek. Pope Canyon. 188 Comment
  UCD167242  Platystemon californicus Jake Ruygt 2005-4-17 4771 Napa Cub Valley', south of Bear Valley. 664 Comment
  CAS-BOT-BC91872  Platystemon californicus Ella Dales Cantelow 1939-4-8 2515 Napa Pope Creek Junction with Walter's Spring Roads. Comment
  UC635474  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa between Calistoga and Petrified Forest; between Calistoga and Petrified Forest Comment
  JEPS4807  Plectritis brachystemon W. L. Jepson 6259 Napa Conn Valley Comment
  JEPS6141  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4448 Napa s of Monticello Valley Comment
  UC1018911  Plectritis brachystemon S. C. Dyal, E. Crum, A. Carter 1938-4-24 717 Napa near Monticello Comment
  JEPS110901  Plectritis ciliosa subsp. insignis Jake Ruygt 2003-3-22 4474 Napa Ink Grade, about 1 mi W of Pope Valley Road 280 Comment
  POM263492  Plectritis ciliosa subsp. insignis J. C. Roos 1939-3-27 263 Napa Pope Valley Comment
  JEPS6143  Plectritis macrocera Bacigalupi and Dempster 1954-5-10 4446 Napa Highway 128 between Chiles Valley and Monticello Valley; Highway 128 Comment
  UC28849  Plectritis macrocera Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, Angwin's Howell Mountain; Napa River Basin, , Angwin's Comment
  JEPS110897  Plectritis macrocera Jake Ruygt 1999-5-1 4142 Napa Gunn ranch, E side of Lake Berryessa 146 Comment
  JEPS75069  Pleuropogon californicus W. L. Jepson 1921-5-6 9182 Napa Calistoga 109 Comment
  UC936193  Pleuropogon californicus H. L. Mason 1931-4-12 5833 Napa grounds s of Napa State Hospital Comment
  UCD41331  Pleuropogon californicus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 6 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  UCR30544  Pleuropogon californicus John C. Roos 1939-4-1 310 Napa Calistoga 111 Comment
  UC767873  Pleuropogon californicus var. californicus R. F. Hoover 1941-4-26 4923 Napa Pope Valley Comment
  UCD90210  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-4 2392 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD92169  Poa M. S. Baker 1936-4-1 8198 a Napa road to Knoxville Mine. Comment
  SBBG29002  Poa annua B. Crampton 1967-5-15 Napa 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  UCD170204  Poa bulbosa Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 753 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  CAS-BOT-BC246686  Poa howellii Catherine Best 1980-4-9 s.n. Napa Glass Mountain Rd near the Silverado Trail Comment
  UC1103792  Poa howellii Joseph P. Tracy 1899-6-18 349 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  UCD91107  Poa howellii Beecher Crampton 1957-4-15 3928 Napa Martley Canyon, Vaca Mountains. Comment
  CAS-BOT-BC246850  Poa napensis Peter H. Raven 1950-5-6 2026 Napa Near Old Faithful Geyser between Rts. 29 & 28, N. of Calistoga 182 Comment
  UC1112207  Poa napensis Peter H. Raven 1957-5-5 10737 Napa field near hot springs at airport Calistoga Comment
  UCD37942  Poa napensis Beecher Crampton 1962-5-8 6418 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CDA10914  Poa secunda G. F. Hrusa, M. Rejmanek 1993-5-15 11010 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC242898  Poa secunda subsp. secunda L. R. Abrams 1928-5-3 12234 Napa St. Helena Grade Comment
  CAS-BOT-BC242899  Poa secunda subsp. secunda L. R. Abrams 1928-5-3 12231 Napa St. Helena Grade Comment
  HSC14300  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 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
  UCD77928  Pogogyne douglasii Robert E. Preston 2002-6-17 1821 Napa Pope Valley, along Pope Canyon Rd, 0.5 mi N of its jct with Pope Valley Cross Rd. 187 Comment
  JEPS110820  Pogogyne serpylloides Jake Ruygt 1994-5-17 3377 Napa Bennett Lane, Butts Canyon Road; Juliana Vineyards 252 Comment
  RSA0036083  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD109710  Polygala californica M. Wiesendanger 1927-5-4 694 Napa Monticello-Napa Rd. Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  UCSB11831  Polygala californica Haller, John 1961-6-18 Napa Las Posadas State Forest, 1.5 mi S of Angwin on Howell Mountain Plateau 518 Comment
  SEINET12205441  Polygala californica F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -329 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS50531  Polygonum amphibium var. emersum Willis L. Jepson 1894-11-8 Napa Napa City Napa River Basin Comment
  CAS-BOT-BC109156  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109160  Polygonum bolanderi Alice Eastwood 1915-6-6 4683 Napa Mount Saint Helena. Comment
  UC77396  Polygonum bolanderi Katharine Brandegee Aug. 1888 Napa Howell Mountain Comment
  CHSC103020  Polygonum lapathifolium Lowell Ahart 2009-10-12 16447 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS112596  Polygonum lapathifolium Jake Ruygt 1986-7-12 1874 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  JEPS115683  Polygonum lapathifolium Lowell Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS50655  Polygonum punctatum Willis L. Jepson 1893-9-24 14801 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC71953  Polypodium californicum Rimo Bacigalupi 1924-2-22 s.n. Napa near toll house Mt. St. Helena Comment
  CAS-BOT-BC72056  Polypodium calirhiza John Thomas Howell 1926-3-21 1729 Napa St. Helena Creek near Patten's 609 Comment
  UCD136953  Polypodium calirhiza G. F. Hrusa 1994-1-29 11589 Napa At head of Hennessey Lake on S side of Hwy 128. 270 Comment
  UCD91411  Polypogon monspeliensis M. Wiesendanger 1926-4-1 1495 Napa Somewhere. Comment
  RSA10644  Polystichum imbricans C. B. Wolf 1928-5-3 1846 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  UCD73521  Potamogeton nodosus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS122726  Proboscidea louisianica subsp. louisianica Jake Ruygt 1996-8-15 3775 Napa East end of Kreuzer Lane. Quad: Mt. George. Comment
  JEPS113962  Prosartes hookeri Jake Ruygt 1978-4-6 261 Napa 1 mile west of Dry Creek Road on Redwood Road. Napa 7.5' Quad. Comment
  UC1198771  Prunus emarginata Joseph P. Tracy 1933-4-30 12114 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  UC1128390  Prunus ilicifolia A. Lewis 1932-5-16 84 Napa Sarcos Creek 152 Comment
  UC608410  Prunus virginiana var. demissa Beryl O. Schreiber 1936-3-5 2205 Napa 0.3 mi WSW of Petrified Forest Comment
  UCD113525  Prunus virginiana var. demissa K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CAS-BOT-BC356378  Pseudognaphalium beneolens Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS106915  Pseudognaphalium californicum Jake Ruygt 1992-6-24 3054 Napa Tuteur Ranch, end of Green Valley Rd. 316 Comment
  JEPS20447  Pseudognaphalium californicum Willis L. Jepson 1893-6-24 14741 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  JEPS106909  Pseudognaphalium luteoalbum Jake Ruygt 1987-7-23 2079 Napa Willis Dr., Napa 15 Comment
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UC127187  Pseudognaphalium thermale Harley P. Chandler Sep 7 1906-Sep 14 1906 7108 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD160704  Psilocarphus brevissimus Ellen Dean; Jake Ruygt 2015-5-23 8763 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  JEPS106924  Psilocarphus tenellus Jake Ruygt 1993-4-12 3193 Napa Milton Road west of the Brazos Bridge a 0 Comment
  UC35749  Psilocarphus tenellus Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  POM41978  Psilocarphus tenellus var. tenellus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET10871110  Psoralea physodes Peter H. Raven 1964-5-9 Raven 19042 Napa Edge of small grove of sequoia along dirt road 2 mi w of aetna springs. Comment
  CAS-BOT-BC72605  Pteridium aquilinum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, Mt. Veeder Comment
  UCD49170  Pterostegia drymarioides M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 23 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines along road. 274 Comment
  UCD100922  Pterostegia drymarioides E. Hyde 1938-4-28 s.n. Napa Putah Canyon. Comment
  RSA34045  Pyrrocoma racemosa A. A. Heller 1927-8-26 14466 Napa Calistoga Comment
  UCD63164  Pyrrocoma racemosa var. racemosa Jake Ruygt 1996-7-13 3767 b Napa Soda Spring, east of Soda Valley; White Cliff Springs. 350 Comment
  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
  UCD170369  Quercus X morehus Daniel Potter; N Khuu, K Battenberg 2016-4-30 867 Napa Knoxville Wildlife Area, east of Nevada Creek Comment
  JEPS37371  Quercus agrifolia W. L. Jepson 1907-12-1 2973 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37806  Quercus agrifolia W. L. Jepson 1937-4-10 18004 Napa Adam-and-Eve Ridge Howell Mt. Comment
  JEPS46630  Quercus agrifolia W. L. Jepson Nov 1901 Napa grade to Sanitarium St. Helena Comment
  RSA181899  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa St. Helena; Napa River Basin Comment
  UCD45100  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa Along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif.; elev. 500 feet. Location is to the west of the Berreyessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). No. 1 of 4 sheets. 152 Comment
  JEPS116543  Quercus berberidifolia Jake Ruygt 1990-4-7 2460 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  UCD14678  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi. east of Conn Valley Dam, beside road to Monticello; Comment
  UCD45198  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 4 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of Junction with Highway 37; southeast-facing hillslope above Sage Creek. Comment
  UCD45347  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Pope Valley-Napa Valley. Angwin. Quercus wislizenii forests. 520 Comment
  UCD83394  Quercus chrysolepis Jake Ruygt 1991-5-4 2636 Napa Friesen's Lakes, Lake Henne. 548 Comment
  UCD96255  Quercus chrysolepis Ellen Dean; with Clare Loughran 2011-5-20 7077 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
  CAS-BOT-BC85937  Quercus douglasii John Thomas Howell 1927-8-23 3043 Napa On hills on N side of Chiles Valley, Napa Range 213 Comment
  UC993142  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
  UCD45634  Quercus douglasii J. M. Tucker 1965-5-2 3824 Napa East side of road along summit of Blue Ridge, 0.1 mile northwest of summit of Mix Canyon Road, Napa County, California. Elevation 2700 feet. 822 Comment
  UCD45635  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa, abundant on canyon slopes. Comment
  UCD45739  Quercus douglasii John M. Tucker 1954-9-23 2755 Napa East side of Highway 37 .1 mile south of junction with Wooden Valley Road (about 9.5 miles north-east of Napa), Napa County, California. Comment
  UCD83395  Quercus douglasii Jake Ruygt 1990-4-7 2461 b Napa Lake Hinman, W of Veterans' Home. 134 Comment
  CAS-BOT-BC79843  Quercus durata Walter Knight; Irja Knight 1963-9-15 241 Napa Los Alamos Rd., Santa Rosa Comment
  UCD14811  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -13 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14813  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -20 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14817  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -1 Napa California, Napa Co.; below Conn Valley Dam, 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
  UCD149561  Quercus durata G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam. Comment
  UCD15986  Quercus durata var. durata C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 3 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
  UCD45884  Quercus durata var. durata John M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello-- Pope Valley Road, Napa County, California. Comment
  UCD48034  Quercus durata var. durata S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 16 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 531 Comment
  UCD48035  Quercus durata var. durata A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 9 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting creek, on lower reaches of research hill. 655 Comment
  JEPS37948  Quercus garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  UCD14956  Quercus garryana var. garryana John M. Tucker 1976-10-24 4380 Napa California, Napa Co.; beside Wall Road, 1.3 mi. north of Dry Creek Road and 7.1 mi. (by road) southwest of Oakville; Comment
  JEPS37757  Quercus kelloggii W. L. Jepson 1911-11-12 4764 Napa near Mt. Atlas; Napa Range Comment
  JEPS37761  Quercus kelloggii Willis L. Jepson 1901-8-6 1719 Napa St. Helena Napa River Basin Comment
  RSA149  Quercus kelloggii J. T. Howell 1927-8-23 683 Napa Chiles Valley, Napa Range. 213 Comment
  UC1196356  Quercus kelloggii J. P. Tracy 1902-5-22 1620 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC521690  Quercus kelloggii Joseph Andorfer Ewan 1933-9-17 8012 Napa trail above Mt. St. Helena <???>; Mt. St. Helena Comment
  UCD14957  Quercus kelloggii John M. Tucker 1976-10-24 4381 Napa California, Napa County: Beside Dry Creek Road, 0.6 mi. east of junction with Wall Road, and 5.2 mi. (by road) southwest of Oakville. Comment
  UCD14959  Quercus kelloggii John M. Tucker 1976-10-24 4384 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
  UCD46610  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners, Napa County, California. 30 Comment
  UCD46615  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD49046  Quercus kelloggii Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W side of creek bed. 167 Comment
  CAS-BOT-BC62879  Quercus lobata Peter H. Raven 1952-5-31 4148 Napa Summit of hills sw of Rector Canyon 304 Comment
  CAS-BOT-BC62882  Quercus lobata M. S. Jussel 1932-4-10 s.n. Napa St. Helena 10 miles N.E. Cliff Spring Comment
  JEPS20257  Quercus lobata W. L. Jepson 1942-11-1 20745 Napa Conn Valley Napa Range Comment
  UCD46832  Quercus lobata Thomas Morley 1941-5-11 122 Napa At Lombard's Ranch, west side of Putah Creek just above junction with Butts Creek. 140 Comment
  CAS-BOT-BC104839  Quercus wislizeni G. F. Ferris 1920-10-1 s.n. Napa Napa Comment
  UCD47509  Quercus wislizeni D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD148748  Quercus wislizeni var. frutescens Jake Ruygt 2002-10-23 4467 a Napa Napa County; Mt. Vaca, south side of peak. 841 Comment
  UCD63165  Rafinesquia californica Jake Ruygt 1980-5-13 891 Napa Mt. St. John. 441 Comment
  CHSC23156  Ranunculus californicus Carol C. Getzinger 1964-3-24 14 Napa Mt. Veeder Road, .3 miles south of junction with Dry Creek Road. 548 Comment
  JEPS110888  Ranunculus californicus Jake Ruygt 1982-2-11 1095 Napa Suscol plain near Kaiser Steel (Rocktram 4 Comment
  JEPS54959  Ranunculus californicus Willis L. Jepson 1893-4-26 Napa Oakville Napa River Basin Comment
  UC917102  Ranunculus californicus D. C. Finfrock 1950-4-2 15 Napa 2 mi from St. Helena (on Pope Valley Rd) Comment
  JEPS2825 Image available Ranunculus californicus W. L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin; E of St. Helena, Napa River Basin Comment
  POM269862  Ranunculus lobbii Lyman Benson 1935-2-25 6249 Napa Calistoga. 152 Comment
  UCD118564  Ranunculus muricatus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road, growing at the bottom of dry ditch. 519 Comment
  UCD149702  Ranunculus occidentalis 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
  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
  UCD48147  Ranunculus occidentalis Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 5 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCR242401  Ranunculus occidentalis Ellen Dean, Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 600 Napa North Coast Range, McLaughlin Reserve, c. 0.2 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley 463 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
  UCD96938  Ranunculus occidentalis H. Popenoe 1949-4-17 9 Napa 17 miles from Winters, at entrance to Monticello Valley. Comment
  JEPS17350  Ranunculus orthorhynchus var. bloomeri Rimo Bacigalupi with John Dawson 1955-4-25 4841 Napa 2 1/2 mi s Imola (field along CA Hwy 29) Comment
  JEPS48652  Ranunculus orthorhynchus var. bloomeri Elsa Kraeger 1926-4-4 Napa near Soscal (railroad station near Napa) Comment
  JEPS55102  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1945-3-28 27555 Napa about 3 mi se Yountville; Napa Valley Comment
  JEPS110991  Ranunculus pusillus Jake Ruygt 1992-5-3 2925 Napa Skyline Park, Napa 143 Comment
  UCD116484  Reseda luteola K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  RSA7785  Rhamnus californica Carl B. Wolf 1928-2-25 1505 Napa 2 miles N of the summit of the Mt. St. Helena Grade on the road to Middletown Comment
  RSA7791  Rhamnus californica Carl B. Wolf 1928-5-3 1844 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  SBBG50632  Rhamnus crocea J. Stroud 1964-5-8 17 Napa E of State Hwy 128, ca. 3 mi SW of Monticello Dam Comment
  UC18542  Rhamnus crocea Willis L. Jepson 1893-4-28 Napa between Mt. George and Atlas Peak; Napa River Basin 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
  UC1221788  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa slopes above Capell Creek (n end of Capell Valley); Capell Valley Comment
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  UCD117978  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  UCD35625  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa North end of Capell Valley, above Capell Creek. Comment
  UCSB4808  Rhododendron occidentale Keator, Glenn 1959-3-28 Napa About 1/4 mile above Conn's picnic grounds near Lake Hennessey, Napa Range Comment
  RSA22617  Rhododendron occidentale var. californicum Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 miles northeast of Napa. Comment
  CAS-BOT-BC200718  Rhus aromatica Frank A. Leach 1926-6-26 s.n. Napa Aetna Springs Comment
  CHSC21426  Rhus aromatica Robert A. Schlising; Botany 222 1962-5-4 2227 Napa 1.5 mi S Lake Co line on Butts Canyon Rd. Comment
  UCD48422  Rhus aromatica C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 23 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; 50 ft. NW of jct between West Rd. and S. Decker Cayon Rd. in creek bed. 152 Comment
  RSA696218  Rhus trilobata Keith E. Hoffmaster 1939-4-16 897 Napa Calistoga Road Comment
  UC1543120  Rhus trilobata Charlotte G. Nast 1936-3-27 39 Napa Putah Canyon Comment
  UC34925  Rhus trilobata Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  RSA128801  Ribes californicum Peter H. Raven 1951-5-20 2856 Napa Hills west Oakville 549 Comment
  UCD164845  Ribes californicum Jake Ruygt 2012-4-16 5817 -x Napa Near north end of Spanish Valley; along road leading east. 256 Comment
  CAS-BOT-BC198892  Ribes roezlii var. cruentum Rimo Bacigalupi 1926-3-28 1268 Napa In canyon just below Mt. St. Helena Inn (Mollie Patton's), lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC168760  Ribes victoris Clarence R. Quick 1942-4-18 s.n. Napa Mouth of canyon just west of Rutherford, Napa Valley Comment
  JEPS49306  Ribes victoris Willis L. Jepson 1893-5-9 13499 Napa Niebaum's Dam St. Helena Comment
  UCD167010  Ribes victoris Jake Ruygt 1980-5-4 874 Napa Van Ness Canyon. 609 Comment
  CAS-BOT-BC363050  Rigiopappus leptocladus John H. Thomas 1955-5-21 5168 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  HSC43962  Rigiopappus leptocladus Robert M. Specht 1977-4-11 620 Napa Along drainage of Pocock Creek 500 Comment
  RSA388338  Rigiopappus leptocladus G. Holstein 1977-5-11 s.n. Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley. Comment
  UCD161274  Rigiopappus leptocladus Jake Ruygt 1989-5-13 2321 Napa Vaca Mtns. About 1 mile north of Mt. Vaca. (Coordinates estimated by label maker at UC Davis). 847 Comment
  UCD38692  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  UC829519  Rigiopappus leptocladus Milo S. Baker 1940-4-23 9554 Napa 7 mi from Monticello (near cliff); Pope Creek Comment
  CAS-BOT-BC74598  Rorippa curvisiliqua Betty Johnston 1958-6-20 668 Napa Ca. 0.5 m. up old toll road above Mt. Mill House, 6.4 m. southwest of Middletown. Comment
  CAS-BOT-BC147535  Rosa californica J. T. Howell 1933-8-27 11629 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC147537  Rosa californica Doris K. Kildale 1928-5-8 5045 Napa 3 miles west of Napa-Solano county line Comment
  RSA8545  Rosa californica J. T. Howell 1933-8-27 11649 Napa Chiles Valley, Napa Range 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
  UCD73498  Rosa californica Ayzik Solomeshch 2007-5-27 s.n. Napa NW of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC148155  Rosa gymnocarpa Peter H. Raven 1952-5-26 4049 Napa Howell Mt. 426 Comment
  CAS-BOT-BC148157  Rosa gymnocarpa Elsa G. Ruckert 1960-5-7 143 Napa Wall Road, 1/4 mile from junction with Dry Creek Road 365 Comment
  SEINET11910993  Rosa gymnocarpa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -311 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  JEPS112570  Rosa rubiginosa Jake Ruygt 1987-5-11 1983 Napa Milliken Creek below Foss Valley 393 Comment
  RSA73974  Rosa spithamea Milo S. Baker 1947-7-7 11845 Napa Near end of wood road leading S from Mt. St. Helena Inn towards the 'Crater'. 915 Comment
  UCD17693  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 83 Napa California. Napa County: junction of Silverado Trail and Spring Valley Road near 'Mather House. Comment
  JEPS110650  Rubus discolor Jake Ruygt 1987-7-11 2066 Napa .2 mile west of Mt. Millhouse Camp on HWY 29 487 Comment
  UCD113843  Rubus parviflorus K. Esau 1920-4-19 s.n. Napa Calistoga. Comment
  JEPS110763  Rumex acetosella Jake Ruygt 1982-5-26 1299 Napa south of Robert Louis Stevenson Park toward Palisades 839 Comment
  CHSC102260  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  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
  CHSC102269  Rumex fueginus Lowell Ahart 2009-10-12 16428 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
  HSC70625  Rupertia physodes J. M. DiTomaso 1980-6-12 1579 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  UCD149605  Sagina apetala Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD167161  Sagina apetala Jake Ruygt 2015-3-23 6050 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS51081  Sagina decumbens subsp. occidentalis Willis L. Jepson 1893-4-26 Napa Oakville Napa R. Basin, Oakville Comment
  JEPS122750  Sagittaria sanfordii Jake Ruygt 2011-6-11 5801 Napa Solano Ave. north of Ragatz Lane, 100 ft south of Town of Yountville sign. Quad: Yountville. Comment
  UCD161214  Salicornia pacifica Jake Ruygt 1993-8-28 3289 Napa Bentley Wharf. 0 Comment
  UC1093859  Salicornia virginica Herbert L. Mason 1923-10-6 773 Napa Suisun Marsh Comment
  CAS-BOT-BC103228  Salix bonplandiana Peter H. Raven 1953-4-2 5228 Napa Imola 60 Comment
  CAS-BOT-BC103229  Salix bonplandiana Peter H. Raven 1953-4-2 5228 Napa Imola 60 Comment
  CAS-BOT-BC108664  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa-Lake Co. line. Comment
  CAS-BOT-BC108670  Salix breweri Mrs. H. P. Bracelin 1931-5-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley 375 Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  SBBG58851  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn, between Pope Springs and Aetna Valley 91 Comment
  SEINET11993504  Salix breweri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -320 Napa along Butts Canyon Road near junction with Snell Valley Road, along Butts Creek 250 Comment
  JEPS38366  Salix exigua W. L. Jepson 1903-9-6 2339 Napa near St. Helena; Napa River Basin Comment
  RSA3941  Salix exigua I. L. Wiggins 1932-3-12 5756 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC482046  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 37 Napa ca. 16 km. w Calistoga (1 mi from <other> bank above Maacama Creek) Comment
  CAS-BOT-BC108196  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa About 2 km. W. of Calistoga, on main highway in roadside ditch. Comment
  UCD164805  Salix laevigata Jake Ruygt 1976-5-14 69 Napa 2.0 miles west of Hwy 29 on Redwood Rd. 51 Comment
  CAS-BOT-BC539357  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, S side of Napa River 85 Comment
  UCD164813  Salix lasiandra var. lasiandra Jake Ruygt 2007-3-31 5138 Napa Las Posadas State Forest, Moore Creek near Recreational Flat. 359 Comment
  CAS-BOT-BC107049  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  CDA21154  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  CDA21155  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 C Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  UC1356331  Salix lasiolepis Theodore J. Crovello 1964-3-14 384 Napa Trinity Road 8 mi e California Hwy. 12 Comment
  UCD111581  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 b Napa One mile northwest of Calistoga. Comment
  CAS-BOT-BC124416  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Dry Creek Road, approximately 15 miles from Napa Comment
  POM202752  Salix lucida subsp. lasiandra I. L. Wiggins 1932-3-12 5750 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC129002  Salix sitchensis Dan Axelrod 1929-6-30 s.n. Napa Lokoya Comment
  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
  JEPS120367  Salvia argentea Jake Ruygt 2001-7-2 4319 Napa On private road south of Lake Hennessey boat-ramp. Yountville 7.5' Quad. Comment
  HSC43975  Salvia columbariae Robert M. Specht 1977-4-19 687 Napa Along drainage running NE from Adams Creek 518 Comment
  UCD73452  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  SEINET12323505  Salvia sonomensis W. Knight, Knight, I. 1982-1 4678 Napa Wooden Valley Road Comment
  UCD48845  Sambucus nigra subsp. caerulea Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along South Decker Canyon Rd. just S of jct. with Cut-Off Rd. 219 Comment
  POM196058  Sanicula bipinnata L. F. Robbins 1928-3-18 s.n. Napa Putah Canyon. Comment
  RSA195384  Sanicula bipinnatifida Gilbert Muth 1967-4-9 623 Napa near Cassidy Creek 335 Comment
  UCD112046  Sanicula crassicaulis Christopher Mallek 2008-5-12 AS2- 6 Napa Aetna Springs. 668 Comment
  HSC70624  Sanicula crassicaulis J. M. DiTomaso 1980-6-13 1593 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  RSA10677  Sanicula tuberosa C. B. Wolf 1928-5-3 s.n. Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD47842  Sanicula tuberosa Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 37 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1st ridge south of Devilhead Rd. 518 Comment
  JEPS968  Sanicula tuberosa Willis L. Jepson 1893-3-13 14193 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  SFV11127  Scandix pecten-veneris F. M. Ball May 1961 s. n. Napa 2 miles north of Calistoga on State Highway 29. Roadside. 130 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
  UCD73523  Schedonorus arundinaceus Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC21128  Schoenoplectus acutus var. occidentalis Peter H. Raven 1952-5-31 4118 Napa 2.5 miles east of Yountville. 60 Comment
  CDA11595  Scirpus fluviatilis G. F. Hrusa, S. Larson 1995-4-1 12061 Napa North Coast Biodiversity Arena; Along Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  JEPS110741  Scrophularia californica subsp. californica Jake Ruygt 2000-4-3 4228 Napa Henry Road, Carneros Valley. 167 Comment
  SEINET9303026  Scutellaria californica Ellen Dean, Bibbo, Mark 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berrysea, just W of Monticello Dam. South Decker Canyon Rd, just S of jct with Cut Off Rd. Shady drainage with Quercus douglasii, Quercus wislizeni, and Symphoricarpos. Comment
  HSC45353  Scutellaria tuberosa R. York 1978-4-8 106 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS112645  Scutellaria tuberosa Jake Ruygt 1979-4-6 483 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 219 Comment
  UC1713659  Scutellaria tuberosa O. H. Kappler 1941-3-3 Napa Las Trancas Comment
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  UCD148772  Sedum radiatum Jake Ruygt 2005-4-17 4775 Napa Napa County; 'Cub Valley' south of Bear Valley. 676 Comment
  CAS-BOT-BC63778  Sedum radiatum subsp. radiatum Milo S. Baker 1926-3-30 s.n. Napa Mt. St. Helena- 1/2 miles E of Inn Comment
  CAS-BOT-BC63837  Sedum spathulifolium John Thomas Howell 1929-5-30 4280 Napa Sage Canyon, Napa Range Comment
  JEPS126094  Sedum spathulifolium Jake Ruygt 1976-5-2 37 Napa 2.5 miles NE of Atlas Peak Road on Monticello Road. Mount George 7.5' Qua. Comment
  SD77911  Sedum spathulifolium Betty H. Johnson 1958-6-15 617 Napa Near St. Helena River, 6.4 miles southwest of Middletown. Comment
  SEINET12216917  Sedum spathulifolium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -313 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  JEPS103970  Selaginella wallacei Jake Ruygt 1992-7-4 3068 Napa East side of Mt. George (Lair property) Wild Horse Valley. 417 Comment
  UC1301214  Senecio aronicoides Helen K. Sharsmith 1963-4-20 5336 a Napa southern slopes Mt. Atlas; San Francisco Bay Region, southern slopes of Mt. Atlas 609 Comment
  CAS-BOT-BC363358  Senecio aronicoides Peter H. Raven 1951-6-10 2916 Napa Crater Region e. of Mt. St. Helena 762 Comment
  RSA273383  Senecio eurycephalus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi E of Lake Co. line Comment
  UCD161513  Senecio flaccidus var. douglasii Jake Ruygt 1989-6-3 2364 Napa Highway 128 southwest of Monticello Dam about 1/2 mile. 188 Comment
  JEPS106857  Senecio hydrophilus Jake Ruygt 1980-5-9 879 Napa Edgerley Island 0 Comment
  UCD161781  Senecio hydrophilus Jake Ruygt 1999-6-8 4180 Napa Fagan Slough. 1 Comment
  JEPS37649  Senecio integerrimus var. exaltatus W. L. Jepson 1915-4-24 6262 Napa Chiles Creek Conn Valley 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
  UCD160750  Sidalcea Ellen Dean 2015-5-23 8802 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  JEPS97957  Sidalcea diploscypha K. Andreasen 1998-6-27 273 Napa at crossing of road and Moore Creek just E of 4-H camp Las Posadas State Forest Comment
  UC871440  Sidalcea diploscypha M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  JEPS50054  Sidalcea hartwegii Willis L. Jepson 1893-5-9 14070 Napa hills w Rutherford; Napa River Basin, w of Rutherford Comment
  UCD170459  Sidalcea keckii Daniel Potter; Ninh Khuu 2016-6-18 888 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 Comment
  UCD49174  Sidalcea keckii Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Tom Liebmann 2001-4-28 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found on NW side of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft) NW of jct with S. Decker Canyon Rd. 237 Comment
  POM118515  Sidalcea malviflora subsp. laciniata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC161021  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  CAS-BOT-BC384451  Silene antirrhina Peter H. Raven 1951-6-26 3056 Napa Wooden Valley Grade 304 Comment
  JEPS50967  Silene californica W. L. Jepson 1924-5-8 10414 Napa Pope Creek Pope Creek (Canyon flat) Comment
  UCD170440  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  UCD18134  Silene gallica Jean Shepard; with PLB 102 class 2000-4-29 183 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC389180  Silene laciniata subsp. californica Betty H. Johnson 1958-6-20 620 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS106854  Silene verecunda subsp. platyota Jake Ruygt 1982-5-15 1254 Napa Buzzard's Roost east od Stag's Leap 609 Comment
  UCD63065  Sisymbrium officinale Ellen Dean 2008-4-8 4770 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road, at junction with South Decker Canyon Rd. 342 Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  UCD118612  Sisyrinchium bellum Jason Saavedra; 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
  UCD138849  Sisyrinchium bellum M. Wiesendanger 1927-5-4 685 Napa Near Monticello. Comment
  UCD148827  Sisyrinchium bellum Ellen Dean; Diana Hickson 2014-4-29 8132 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  JEPS64270  Sisyrinchium bellum Willis L. Jepson 1893-4-25 Napa w of St. Helena (trail to Beaux's Cabin); Napa River Basin Comment
  SEINET5722935 Image available Sisyrinchium bellum George E. Gaboury 1971-1 G- 10 Napa Hwy 128, ca. 10 mi. W of Monticello Dam (Lake Berryessa).; Monticello Dam Comment
  CHSC102304  Solanum americanum Lowell Ahart 2009-10-12 16456 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  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
  UCD127010  Solanum rostratum Baade 1925-8-24 s.n. Napa Napa Comment
  UC26281  Solanum umbelliferum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UC565385  Solanum umbelliferum M. Elsie Osgood 1937-4-19 Napa hill 7 mi e of Napa (on the road to Monticello) Comment
  JEPS32417  Solidago elongata W. L. Jepson 1894-11-8 Napa St. Helena Comment
  UC36208  Solidago elongata Willis L. Jepson 1893-9-24 Napa Howell Mt. Napa River Basin, , Angwin's Meadows (Napa River Basin, Angwin's Meadows) Comment
  CAS-BOT-BC365093  Solidago velutina subsp. californica Peter H. Raven 1951-8-21 3872 Napa Mt. Veeder 762 Comment
  CAS-BOT-BC365099  Solidago velutina subsp. californica L. R. Abrams 1916-7-2 5761 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC365098  Solidago velutina subsp. californica L. S. Rose 1927-7-24 s.n. Napa St. Helena Comment
  CDA7649  Soliva sessilis R. Barrett 1958-5-22 437 -58 Napa Napa. 0 Comment
  CAS-BOT-BC235338  Sorghum halepense R. E. Frenkel 1963-10-27 293 Napa In the vinyard north of Oakville Cross Road Comment
  CAS-BOT-BC235339  Sorghum halepense Peter H. Raven 1950-6-20 2371 Napa In the Napa Range between Conn Valley & Howell Mtn Comment
  CDA3446  Spergularia bocconi H. Stabo 1979-4-26 Napa Residence at 41 Magnolia, Calistoga. 0 Comment
  JEPS129151  Spergularia media var. media Jake Ruygt 1983-3-29 1398 Napa River park Boulevard and S Jefferson Street SE corner. Napa 7.5' Quad. Comment
  UCD18143  Spergularia rubra Jean Shepard; with PLB 102 class 2000-4-29 194 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC390566  Spergularia rubra Elsa Ruckert 1960-4-9 79 Napa 6495 Dry Creek Road. Terrace in front of house 365 Comment
  JEPS62970  Stachys ajugoides Willis L. Jepson 1893-4-24 14985 Napa hills e St. Helena (to Conn Valley) Comment
  UCD166676  Stachys albens Jake Ruygt 1994-6-4 3393 Napa Lewelling Ranch, Sulphur Springs; road to upper meadow. 188 Comment
  RSA10668  Stachys bullata Carl B. Wolf 1928-5-3 1821 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM118339  Stachys rigida subsp. quercetorum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC1146700  Stellaria nitens Freed W. Hoffman 1947-3-20 839 Napa Pope Creek hillside Pope Creek; North Coast Ranges Comment
  CAS-BOT-BC375248  Stephanomeria elata Peter H. Raven 1951-8-19 3839 Napa Nr. Lokoya 487 Comment
  JEPS115765  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 133 Comment
  JEPS129100  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-5-3 6230 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  SACT002369  Stipa lepida John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam, northwest facing slope on south side of highway. Comment
  CAS-BOT-BC61249  Streptanthus breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC61253  Streptanthus breweri Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5323 Napa Soda Creek, east of Chiles Valley. 121 Comment
  UCD164229  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-5-25 IC-SS 306 Napa Hunting Creek. 313 Comment
  UCD164231  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 309 Napa McLaughlin UC Reserve: 'Lomatium hill. 341 Comment
  JEPS30824  Streptanthus breweri W. L. Jepson 1938-6-8 18901 Napa rocky walls Butts Canyon Comment
  JEPS106609  Streptanthus breweri var. hesperidis Jake Ruygt 1995-6-17 3505 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 Comment
  UC1198806  Streptanthus breweri var. hesperidis Joseph P. Tracy 1902-5-16 1488 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC956585  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-6-18 1047 Napa Sage Canyon North Coast Ranges Comment
  UCD35747  Streptanthus glandulosus Beecher Crampton 1953-3-24 1027 Napa Eight miles east of Rutherford. Comment
  JEPS106600  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1979-4-14 517 Napa Oat Hill Mine Rd. in the Palisades area 670 Comment
  JEPS84639  Streptanthus glandulosus subsp. glandulosus John W. Willoughby 1977-4-20 2145 Napa w side of ridge below and just to s Mount Vaca; Vaca Mountains, Blue Ridge 457 Comment
  RSA195351  Streptanthus glandulosus subsp. glandulosus Gilbert Muth 1967-5-17 685 Napa Summit of Oat Hill Road. 671 Comment
  UC518934  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa s Walters Springs (roadbank); Pope Creek Bridge Comment
  UCD116013  Streptanthus glandulosus subsp. glandulosus Robert E. Preston 1988-4-10 578 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 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
  UCD116022  Streptanthus hesperidis Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties, Butts Canyon. Comment
  CAS-BOT-BC87392  Streptanthus morrisonii Lawrence LaPre' 1985-4-25 s.n. Napa Rare Plant Canyon, a tributary of Hunting Creek from the east, 2 miles southwest of the site of Knoxville. 365 Comment
  JEPS106598  Streptanthus morrisonii Jake Ruygt 1997-5-3 3844 Napa Sensitive plant canyon, NW of Knoxville site. 402 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
  UCD169781  Streptanthus morrisonii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 789 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 466 Comment
  UCD19318  Symphoricarpos albus var. laevigatus M. A. Bibbo; E. Dean 2001-7-6 10 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.8 air miles from jct. with S Decker canyon rd. 20 yards off of the road, up a small dry creek, on N facing slope of drainage. 198 Comment
  JEPS40795  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  UC29897  Symphyotrichum spathulatum Willis L. Jepson 1893-9-21 Napa Napa City Napa River Basin Comment
  OBI72075  Symphyotrichum subulatum var. parviflorum Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Crk in North coast Ranges, T7N R5W. below spillway on N side of Rt 128 91 Comment
  UCD18149  Taeniatherum caput-medusae Jean Shepard; with Plant Biology 102 Class 2000-4-29 205 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
  JEPS126111  Tanacetum parthenium Jake Ruygt July, 1979 594 z Napa Trefethen Vineyard near Dry Creek. Napa 7.5' Qua. Comment
  CAS-BOT-BC399739  Thalictrum polycarpum Betty H. Johnson 1958-6-20 662 Napa Near Mt. Mill House, 6.4 mi. S.-W. of Middletown Comment
  JEPS118639  Thermopsis californica var. californica B. Castro and L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. NE-facing slope ~ 15 ft SE of main channel through springs. Jericho Valley 7.5' quad. Comment
  UC16393  Thermopsis californica var. californica Willis L. Jepson 1893-4-27 Napa Napa City Comment
  UCD39033  Thermopsis californica var. californica Beecher Crampton 1962-5-16 6419 Napa Chiles Valley, above Sage Creek. Comment
  UCD48029  Thermopsis californica var. californica K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 27 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, next to Old Knoxville Rd. 426 Comment
  CAS-BOT-BC66481  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6066 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  CAS-BOT-BC66497  Thysanocarpus curvipes M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  CAS-BOT-BC66505  Thysanocarpus curvipes John H. Thomas 1955-5-21 5137 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 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
  JEPS106593  Thysanocarpus curvipes Jake Ruygt 1996-4-10 3574 Napa Drainage south of Milliken Peak. 167 Comment
  RSA696362  Thysanocarpus curvipes Keith E. Hoffmaster 1946-3-23 1059 Napa Napa range, along Napa-Monticello road Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UC1127030  Thysanocarpus curvipes B. O. Schreiber 1938-4-24 2496 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  CAS-BOT-BC66502  Thysanocarpus curvipes Peter H. Raven 1953-4-2 5274 Napa Hill west of Tulucay Creek. 243 Comment
  UC1083161  Thysanocarpus curvipes Herbert L. Mason 1926-3-14 2729 Napa Mt. St. Helena Comment
  UC11003  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 C Napa hills e St. Helena; e of St. Helena Comment
  JEPS106587  Thysanocarpus laciniatus Jake Ruygt 1998-5-11 3963 x Napa Chiles Canyon at rock cliffs. 182 Comment
  CAS-BOT-BC67311  Thysanocarpus radians Peter H. Raven 1953-4-2 5244 Napa Hills south of Imola. 121 Comment
  JEPS106584  Thysanocarpus radians Jake Ruygt 1977-5-3 216 Napa 6.7 miles north of Monticello Rd. on Atlas Peak Rd. 438 Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. Comment
  UCD128188  Torilis nodosa M. Wiesendanger 1926-4-1 1490 Napa Exact location unknown. Comment
  UCD167157  Torreya californica Jake Ruygt 2015-3-10 6037 Napa Sutro Ranch, east side of Atlas Peak. 683 Comment
  UCR30536  Torreyochloa pallida var. pauciflora John C. Roos 1939-5-13 271 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  JEPS63927  Toxicodendron diversilobum W. L. Jepson 1915-4-22 6231 Napa hills east St. Helena Comment
  UCD169872  Toxicoscordion fontanum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 807 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 433 Comment
  UCD48284  Toxicoscordion fontanum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 24 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 487 Comment
  JEPS112634  Trichostema lanceolatum Jake Ruygt 1991-8-1 2809 Napa Butts Canyon Rd., 1.9 miles north of How ell Mountain Rd. 240 Comment
  JEPS112637  Trichostema lanceolatum Jake Ruygt 1969-12-31 3792 Napa Suscol Ridge near PG & E substation. 12 Comment
  JEPS112619  Trichostema laxum Jake Ruygt 1986-6-28 1846 Napa Mtn. Millhouse Girlscout Camp, Mt. St. Helena 499 Comment
  JEPS63144  Trichostema laxum W. L. Jepson 1938-9-24 19024 Napa canyon of Limekiln Creek, N of Pope Valley 304 Comment
  JEPS63150  Trichostema laxum Alice King Jul 1919 Napa Van Ness ranch, Mt. St. Helena Comment
  UC1299468  Trichostema laxum Freed W. Hoffman 1947-9-12 1369 Napa Butte Canyon near Black Oak Villa North Coast Ranges Comment
  UCD125871  Trichostema laxum G. F. Hrusa; Dave Ragan 1988-9-4 5704 Napa Butts Creek, near Lake-Napa County lines. Comment
  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
  UCD166645  Trichostema ruygtii Jake Ruygt 2004-7-17 4628 Napa Hills east of Napa Valley Country Club, east of Third Ave., south of Hagen Rd. 249 Comment
  JEPS112610  Trientalis latifolia Jake Ruygt 1991-5-18 2685 Napa Ink Grade 329 Comment
  UCD121195  Trientalis latifolia Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7366 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  RSA114033  Trientalis latifolia Peter H. Raven 1957-5-5 10782 Napa Hills at western edge of Calistoga. Comment
  UCD148800  Trifolium albopurpureum Ellen Dean; Diana Hickson 2014-4-29 8107 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 513 Comment
  UC137702  Trifolium albopurpureum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena, Napa Co. Comment
  UCD35560  Trifolium albopurpureum Beecher Crampton 1958-4-22 4738 Napa Markley Canyon, Vaca Mountains. Comment
  UCD83434  Trifolium albopurpureum Jake Ruygt 1983-4-17 1428 Napa Mt. St. Helena. 777 Comment
  UCD83435  Trifolium albopurpureum Jake Ruygt 2003-5-17 4525 Napa Archer Taylor Preserve. 548 Comment
  JEPS106690  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1992-4-10 2898 Napa Wild Horse Valley Ranch east of south lake 457 Comment
  UC457175  Trifolium albopurpureum var. albopurpureum David D. Keck 1931-4-2 1039 Napa 10 mi from Napa (between Wooden Valley and Monticello); east base of the Napa Range Comment
  UC160915  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-18 1542 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 518 Comment
  UC16497  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  UC74964  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1983 Napa Calistoga Comment
  JEPS65702  Trifolium albopurpureum var. olivaceum C. F. Sonne Apr. 1888 Napa Comment
  UCD48974  Trifolium bifidum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  JEPS106799  Trifolium ciliolatum Jake Ruygt 1996-5-4 3648 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  JEPS129098  Trifolium ciliolatum Jake Ruygt 2016-4-30 6218 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD108299  Trifolium ciliolatum R. Tofsrud 1951-5-20 s.n. Napa Yountville Cemetery. Comment
  UCD108300  Trifolium ciliolatum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD83441  Trifolium ciliolatum Jake Ruygt 1981-4-18 977 a Napa Harris Canyon. 213 Comment
  UC16484  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  UC188495  Trifolium depauperatum var. depauperatum Edw. L. Greene 1895-4-1 Napa Napa Valley Comment
  POM126289  Trifolium depauperatum var. truncatum C. F. Sonne 1887-04 s.n. Napa [Unspecified] Comment
  UCD83443  Trifolium depauperatum var. truncatum Jake Ruygt 1982-4-14 1182 Napa Suscol plain, E of Rocktram. 1 Comment
  UCD38309  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa 12 miles east of Rutherford, along Highway 128. Comment
  POM182744  Trifolium dichotomum D. D. Keck 1931-4-2 1040 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  SEINET3131839  Trifolium dichotomum L. S. Rose 1935-4-18 35100 Napa Steel Canyon Comment
  CHSC10583  Trifolium fucatum Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS106806  Trifolium fucatum Jake Ruygt 1982-5-8 1228 Napa American Canyon Rd. north side of road 121 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
  SD224979  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. Adjacent to meeting hall. 91 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
  UCD83446  Trifolium glomeratum Jake Ruygt 1988-4-29 2161 a Napa SE corner of Highway 12 and 29. 22 Comment
  UCD83447  Trifolium gracilentum Jake Ruygt 1998-3-29 3899 Napa Suscol Ridge overlooking Jameson Canyon. 158 Comment
  JEPS106709  Trifolium hirtum Jake Ruygt 1982-4-29 1208 Napa Suscol Plain west of HWY 29 (221) 3 Comment
  UC16633  Trifolium microcephalum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD38821  Trifolium microcephalum Beecher Crampton 1958-4-29 4757 Napa Capell Valley. Comment
  UC555460  Trifolium microcephalum H. L. Mason 1928-4-13 4340 Napa near spring (Reili School) Comment
  UCD109176  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Napa Yontville cemetery. Comment
  UCD83421  Trifolium obtusiflorum Jake Ruygt 1988-5-1 2163 b Napa Swartz Creek near Aetna Springs. 217 Comment
  UCD109244  Trifolium obtusiflorum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UCD35333  Trifolium obtusiflorum Beecher Crampton 1955-5-16 2795 Napa 8.5 miles west of Winters, just west of the Monticello Dam site. Comment
  JEPS106715  Trifolium oliganthum Jake Ruygt 1992-4-4 2884 Napa Scott's Flat, Aetna Mine Rd. 505 Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  UCD83423  Trifolium oliganthum Jake Ruygt 2003-5-17 4526 Napa Devil's Canyon, NW of 'The Crags' area of Archer Taylor Preserve. 603 Comment
  UCD128339  Trifolium resupinatum Virginia Moran 2012-5-1 s.n. Napa No exact location. Comment
  CDA31301  Trifolium subterraneum D. G. Kelch 2010-5-6 10 .186 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD35746  Trifolium variegatum Beecher Crampton 1953-3-24 1033 Napa Eight miles north of Napa along the road to Soda Springs. Comment
  POM216217  Trifolium variegatum var. melananthum D. D. Keck 1933-5-28 2336 Napa Between Pope Valley P.O. and Walters Springs. Comment
  CDA10893  Trifolium willdenovii G. F. Hrusa, M. Rejmanek 1993-5-15 10988 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC424856  Trifolium willdenovii Milo S. Baker Apr 15 1929-Apr 26 1929 3566 a Napa near Calistoga (Geyser) Comment
  UCD109842  Trifolium willdenovii Heidi E. M. Dobson 1978-5-20 329 Napa East slope of Mt. Veeder. Comment
  UCD49030  Trifolium willdenovii S. Murphy; K. Keck and K. Dyer 2002-5-5 18 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines and tip parcels, NE from intersection of West and East Roads ca. 20 m. 328 Comment
  UCD49034  Trifolium willdenovii A. Van Houtte; E. Leger and C. Hohn 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  UCD19868  Trifolium willdenovii C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1197 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  JEPS66077  Trifolium wormskioldii W. L. Jepson 1893-6-26 13654 Napa Howell Mt. Comment
  UCD83426  Trifolium wormskioldii Jake Ruygt 1981-5-13 1020 Napa American Canyon, 0.2 mi E of Flosden Rd. 36 Comment
  CAS-BOT-BC520828  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 573 Napa 0.6 mi. W of Cal. Hwy. 29, just SW of Calistoga Comment
  CAS-BOT-BC520829  Trillium albidum Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC521016  Trillium chloropetalum var. giganteum Carl B. Wolf 1928-5-3 1833 Napa Base of Mt. St. Helena Comment
  CLARK-A1703-1  Trillium sessile subsp. giganteum D. V. Hemphill 1935-3-15 Napa Howell Mountain Comment
  JEPS110638  Triphysaria eriantha Jake Ruygt 1994-3-26 3336 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  JEPS3983  Triphysaria pusilla W. L. Jepson 1910-3-28 4027 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  CDA11594  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa, S. Larson 1995-4-1 12060 Napa North Coast Biodiversity Arena; Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  JEPS110677  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1978-4-30 282 Napa .1 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS11171  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1941-4-26 4921 Napa Pope Valley Comment
  UC1301195  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5326 Napa off of Kelly Road 4 mi s Napa; San Francisco Bay Region 45 Comment
  UC1334877  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa on West Imola Avenue 1 mi w State Highway #12 and 29 Comment
  UC397022  Triteleia Dr. Goodspeed Jun 1929 Napa near Napa Comment
  RSA195341  Triteleia hyacinthina Gilbert Muth 1967-5-19 698 Napa Milliken Dam. 335 Comment
  UCD117784  Triteleia laxa Marisol Gonzalez; 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
  UCD139378  Triteleia laxa J. Buck 1996-6-2 26 Napa along Highway 128 at intersection of Berryessa Knoxville Road. 48 Comment
  UCD148809  Triteleia laxa Ellen Dean; Diana Hickson 2014-4-29 8116 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD18074  Triteleia laxa Ellen Dean; with Plant Biology 102 class 2000-4-22 629 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD48792  Triteleia laxa A. Collier; D. Caterson and S. Kenady 2002-5-4 15 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines, both N and S of road. 335 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
  UCR196217  Triteleia laxa C. Hallock, C. Kennedy, L. Condon, N. Strahan, R. Flannery 2000-4-22 13 Napa UC McLaughlin Reserve, just south of site of old town Knoxville, north of Knoxville-Berryessa Road, west side of road Comment
  JEPS58039  Triteleia laxa W. L. Jepson 1923-6-3 9978 Napa e of Yountville Comment
  JEPS110926  Triteleia lugens Jake Ruygt 1992-5-6 2950 Napa south of Mitten Lakes, Wild Horse Valley Ranch 414 Comment
  JEPS5667  Triteleia peduncularis W. L. Jepson 1938-6-8 18892 Napa South Fork Butts Creek Comment
  JEPS62187  Triteleia peduncularis W. L. Jepson 1938-6-8 18892 Napa South Fork of Butts Creek Butts Canyon Comment
  UCD160647  Triteleia peduncularis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8733 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCR45968  Triteleia peduncularis L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  CDA11147  Umbellularia californica G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11558 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  RSA245297  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa 128 just west of Lake Hennessey. Comment
  UCD162094  Umbellularia californica Dylan O. Burge 2014-3-15 1491 Napa Mount Saint Helena. Comment
  CAS-BOT-BC381963  Uropappus lindleyi Peter H. Raven 1953-5-2 5375 Napa Hills due e. of Yountville 152 Comment
  CAS-BOT-BC381968  Uropappus lindleyi John H. Thomas 1955-5-21 5146 B Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD18075  Uropappus lindleyi Ellen Dean; with Plant Biology 102 class 2000-4-22 631 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  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
  SBBG2297  Vancouveria hexandra H. and M. Dearing 1939-5-2 Napa Napa Redwoods Comment
  UCD38862  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. Comment
  UCD124634  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  CHSC102528  Verbena lasiostachys var. lasiostachys Lowell Ahart 2009-10-27 16495 Napa Below the high water line of Lake Berryessa, about 50 yards east of Eticuera Creek, about 100 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  RSA756839  Veronica americana Barbara Ertter, Elizabeth Neese 1988-10-2 7951 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  JEPS7874  Veronica arvensis H. P. Chandler 1907-5-12 24 Napa St. Helena, White Sulphur Springs White Sulphur Springs; St. Helena, White Sulphur Springs 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
  UCD83427  Vicia americana subsp. americana Jake Ruygt 1987-5-9 1981 b Napa N of Catalpa Drive, Circle Oaks. 396 Comment
  UCD83430  Vicia americana subsp. americana Jake Ruygt 2005-3-28 4729 Napa near Knoxville Wildlife Area. 292 Comment
  JEPS106543  Vicia americana var. americana Jake Ruygt 1979-5-20 611 Napa 1 mile north of College Ave. on Howell Mtn. Rd. 548 Comment
  UC1543124  Vicia americana var. americana Charlotte G. Nast 1936-3-27 62 Napa Childs Canyon Comment
  UC16957