Search Results — 2000 specimen records retrieved (1511 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1719703  Acacia dealbata Barbara Ertter with Jake Ruygt 1996-4-25 14600 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  SEINET2043780 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 673021 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD117056  Acer macrophyllum Michael A. Vincent; Ethan H. Freid 1998-4-7 8167 Napa along Rt. 128 at road marker 24/80. Comment
  CAS-BOT-BC28636  Achillea millefolium E. Ruckert 1960-5-1 136 Napa 6495 Dry Creek Road, upper field south of house above water reservoir 381 Comment
  UC1301056  Achillea millefolium Helen K. Sharsmith 1963-4-20 5341 Napa s slopes, among volcanic rocks in oak-woodland Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD128294  Achillea millefolium Kamala Crompton 1996-5-12 14 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD164483  Achillea millefolium J. A. Johnston 1995-5-7 11 Napa Next to Hwy 128 approximately, 0.5 miles west of Markley Cover on Lake Berryessa. 1000 Comment
  UCD50281  Achnatherum coronatum Beecher Crampton 1959-10-6 s.n. Napa Along State Hwy. 128, Markley Canyon, Vaca Mountains, 2.7 miles southwest of Monticello Dam, Napa County. Comment
  UCD73927  Achnatherum coronatum G. Ledyard Stebbins 1966-5-28 6426 Napa Markley Canyon. Comment
  JEPS86592  Achnatherum lemmonii L. R. Heckard with Jake Ruygt 1987-5-10 6662 Napa 6.5 mi up from Monticello Rd., Napa (CA Hwy 121) (along Atlas Peak Rd.) Comment
  JEPS29586  Achyrachaena mollis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8443 Napa 4.8 mi n along Atlas Peak Road Vichy Springs (junct of Calif 37 with Atlas Peak Road); Milliken Reservoir (due west and above) 335 Comment
  JEPS36724  Achyrachaena mollis W. L. Jepson 1915-4-23 6245 Napa Conn Valley; Napa Range, Conn Valley Comment
  UCD148783  Achyrachaena mollis Ellen Dean; Diana Hickson 2014-4-29 8091 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD18178  Achyrachaena mollis 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
  UCD63351  Acmispon americanus var. americanus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 200 Comment
  UCD75712  Acmispon americanus var. americanus Jake Ruygt 2004-9-25 4673 Napa West side of Maxwell Creek (DFG Property) about 0.5 mile from Pope Cr. 167 Comment
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD104084  Acmispon brachycarpus M. Sidells 1996-4-13 9 Napa Next to path on north facing hill at southwest side of Lake Berryessa, 150m northeast of Knoxville Rd. 250 Comment
  UCD118619  Acmispon brachycarpus Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD161252  Acroptilon repens Jake Ruygt 2005-6-25 4926 Napa Knoxville Site, near abandoned orchard on jeep trail. (Coordinates estimated by label maker at UC Davis). 402 Comment
  CDA10859  Adenostoma fasciculatum G. F. Hrusa, M. Rejmanek 1993-5-15 10954 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD137227  Adiantum jordanii M. Sidells 1996-4-13 8 Napa Lake Bereyessa. 280 Comment
  CAS-BOT-BC65666  Adiantum jordanii Jean Fottrell 1906-7-1 s.n. Napa Napa Comment
  RSA591809  Aesculus californica Gary D. Wallace 1967-5-27 785 Napa Near Lake Berryessa, at the junction of Highways 121 and 128. Comment
  JEPS104510  Agoseris grandiflora Jake Ruygt 1985-5-25 1599 Napa American Canyon, .4 miles east of Flosden Road 137 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
  CAS-BOT-BC29639  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1938-6-6 15842 Napa Napa Valley, between Napa City and Yountville 30 Comment
  CAS-BOT-BC29641  Agoseris grandiflora var. grandiflora Alice Eastwood; J. T. Howell 1938-5-15 5523 Napa Mt .St. Helena, south side Comment
  JEPS36238  Agoseris grandiflora var. grandiflora W. L. Jepson 1936-6-2 17611 Napa east, hills, dry hilltop Yountville Comment
  CAS-BOT-BC22754  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek Canyon, 7 miles NW of Monticello Comment
  JEPS104521  Agoseris heterophylla Jake Ruygt 1992-5-7 2938 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 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
  JEPS104500  Agoseris retrorsa Jake Ruygt 1989-4-22 2269 Napa East of Highway 121 on Highway 128 (marker 26.81) Capell Valley 7.5' Quad. Comment
  UCD37406  Agrostis exarata Beecher Crampton 1960-5-17 5536 Napa Napa County, 4 miles east of Rutherford. Comment
  UCD52270  Agrostis exarata August L. Hormay Date Unknown Napa North of Napa. Comment
  UCD52311  Agrostis exarata Beecher Crampton 1965-7-7 7441 Napa N end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  UCD32918  Agrostis exarata var. monolepis Beecher Crampton 1965-7-7 7441 Napa Napa County, north end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  RSA128661  Agrostis hallii P. H. Raven 1950-6-20 2354 Napa Napa Range between Conn Valley and Howell Mountain Comment
  CAS-BOT-BC138819  Agrostis microphylla Beecher Crampton 1955-5-9 2749 Napa Meadow, supplied by the waters of Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  SEINET238872  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County 2 miles north of Calistoga Myrtledale Hot Springs. Comment
  UCR146401  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa Napa Valley, 3 miles south of Calistoga 99 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
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC139013  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Northern Coast Ranges. 243 Comment
  UCD36949  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains, above Wooden Valley. Comment
  UCD73459  Agrostis pallens Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC138417  Aira caryophyllea var. capillaris Peter H. Raven 1953-5-2 5383 Napa Hill due east of Yountville. 243 Comment
  SACT000925  Aira danthonioides M. Wiesendanger 1927-5-4 Napa Comment
  JEPS32192  Alisma plantago-aquatica Willis L. Jepson April, 1893 Napa Lower Napa Valley Napa River Basin Comment
  RSA123594  Allium amplectens Milo S. Baker 1932-4-26 5963 Napa Monticello Road near Pope Valley. Comment
  UC1585992  Allium amplectens Barbara Ertter with Annetta Carter 1989-5-28 8516 Napa on Berryessa Rd. 2 mi se Lake Co. Line (near Knoxville) 609 Comment
Read comments
Jan 14 2009
  JEPS47613  Allium falcifolium Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  CAS-BOT-BC469032  Allium falcifolium John Thomas Howell 1931-4-3 6140 Napa Pope Creek Canyon, 5.5 miles east of Pope Valley, Napa Range Comment
  SEINET187416  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
  UCD161517  Allium lacunosum var. lacunosum Jake Ruygt 1990-5-5 2529 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  CDA33428  Allium paniculatum CDFA Staff 1978-4-6 Napa Calistoga 0 Comment
  JEPS110934  Allium serra Jake Ruygt 1986-3-22 1661 Napa Monticello Dam 146 Comment
  UCD167208  Allophyllum divaricatum Jake Ruygt 1998-4-18 3924 Napa Blue Ridge about 1.5 mile north of Mays Flat. 731 Comment
  JEPS101637  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16692 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  CAS-BOT-BC137957  Alopecurus saccatus Peter H. Raven 1952-5-29 4081 Napa Napa River 1 mile north Napa. 60 Comment
  JEPS123021  Alopecurus saccatus Jake Ruygt 1982-6-1 1305 Napa 0.3 mile north of Chimney Rock Golf Course. Quad: Yountville. Comment
  UC912663  Alopecurus saccatus Herbert L. Mason 1931-4-12 5838 Napa ground s. of Napa State Hospital Napa State Hospital Comment
  JEPS54292  Amaranthus albus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CHSC103021  Amaranthus blitoides Lowell Ahart 2009-10-12 16469 Napa Along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC102259  Amaranthus californicus Lowell Ahart 2009-10-27 16474 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  POM226226  Amaranthus powellii J. T. Howell 1933-9-17 11667 Napa North of Vallejo Comment
  UCD33089  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UCD39198  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
  CDA34166  Amelanchier pallida D. G. Kelch 2010-4-26 10 .099 Napa Skyline Canyon, E of Napa State Hospital. Comment
  CAS-BOT-BC136740  Amelanchier utahensis Clara A. Hunt 1923-1-1 s.n. Napa Near St. Helena Comment
  JEPS45149  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 a Napa Howell Mt. grade; Napa River Basin Comment
  JEPS45494  Amelanchier utahensis W. L. Jepson 1924-4-27 10383 Napa Mt. St. Helena Comment
  UC1010757  Amelanchier utahensis Peter H. Raven 1953-5-2 5406 Napa Rector Creek 396 Comment
  UC12077  Amelanchier utahensis Willis L. Jepson 1893-5-8 Napa below New Eden (Howell Mt); Napa River Basin, Howell Mt. Comment
  UCD144337  Amelanchier utahensis George F. Hrusa 1989-4-24 5931 Napa edge of Pope Creek where Pope Creek Road cross creek. 175 Comment
  CDA34246  Ammannia robusta L. Ahart 2009-10-27 16489 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  JEPS112659  Ammannia robusta Jake Ruygt 1999-7-28 4212 Napa Lake Hennessey at the boat ramp. 94 Comment
  UC2061508  Ammi majus Dean G. Kelch 2016-7-9 16 .151 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  UCD127163  Ammi majus R. Tofsrud; J. M. Tucker 1948-7-14 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  CAS-BOT-BC177207  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  CDA16003  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 1 of 3. Comment
  CDA27223  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 2 of 2. Comment
  UC24614  Amsinckia W. L. Jepson 1893-4-26 Napa Rutherford; Napa River Basin Comment
  JEPS20859  Amsinckia intermedia W. L. Jepson 1893-4-26 21085 Napa Oakville Napa Valley; Napa River Basin Comment
  JEPS61143  Amsinckia intermedia W. L. Jepson 1900-3-10 535 Napa St. Helena Comment
  UCD18086  Amsinckia intermedia Ellen Dean; with PLB 102 class 2000-4-22 642 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD47940  Amsinckia intermedia R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 21 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UC1178197  Amsinckia intermedia Francia Chisaki 1954-4-15 595 Napa about 2 mi s Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD14969  Amsinckia intermedia Craig Homan 1977-4-8 4 Napa California, Napa Co.; 14 miles southwest of Winters along Highway 128; Comment
  JEPS24905  Amsinckia lycopsoides W. L. Jepson 1893-1 21078 Napa St. Helena; Napa Valley, St. Helena Comment
  JEPS20862  Amsinckia menziesii var. menziesii W. L. Jepson 1896-6-2 21079 Napa St. Helena Comment
  JEPS61104  Amsinckia menziesii var. menziesii W. L. Jepson 1924-4-6 10322 Napa mouth of Conn Creek near St. Helena; Conn Creek 91 Comment
  UCD160336  Anagallis arvensis Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  UCD170378  Anaphalis margaritacea Daniel Potter; N Khuu 2016-5-8 875 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, west of tributary to Nevada Creek. 277 Comment
  UCD127214  Angelica californica Tom Persico 1971-5-15 19 Napa Monticello Dam at Lake Berryessa. 152 Comment
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  CDA40901  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 2 of 3 Comment
  JEPS16002  Angelica tomentosa Willis L. Jepson 1896-2-23 14263 Napa Napa River Basin, Howell Mountain, beyond Angwin's Howell Mountain; Napa River Basin, Howell Mountain Comment
  UC20801  Angelica tomentosa W. L. Jepson Aug. 1892 Napa near St. Helena (Napa Valley); Napa Valley Comment
  UCD36376  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa Napa County, 8 miles south of Middletown, small meadow along Highway 53. Comment
  RSA430676  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creek; at an area reached by traveling private vineyards roads at end of Barnett Road (1.9 miles from start). Comment
  UCD33685  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa 4.7 miles east of Conn Reservoir Dam, State Hwy. 128. Comment
  UCD170280  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 814 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  CAS-BOT-BC237922  Antirrhinum virga Mrs. Merrel Ackley 1962-6-27 s.n. Napa Hills about 5 miles west of St. Helena Comment
  JEPS112546  Antirrhinum virga Jake Ruygt 1986-5-18 1775 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 463 Comment
  UCD149640  Apiastrum angustifolium 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
  POM161353  Apocynum androsaemifolium subsp. pumilum Rimo Bacigalupi 1928-6-20 s.n. Napa Napa County: Howell Mt, 10 miles W of St Helena Comment
  JEPS60391  Aquilegia eximia W. L. Jepson 1916-8-6 6837 Napa Moore's Creek Howell Mt. 548 Comment
  JEPS106845  Arabis glabra Jake Ruygt 1992-4-7 2892 Napa Tuteur Ranch, SW corner 365 Comment
  UCD75841  Arabis oregana Jake Ruygt 1984-3-3 1501 Napa Devilshead Rd. near Cedar Creek. 542 Comment
  SFV5090  Aralia californica B. C. Templeton 1957-6-26 s. n. Napa Calistoga. Near Hill and Connors Ranches. Comment
  CAS-BOT-BC128667  Arbutus menziesii Alice Eastwood 1922-3-25 11005 Napa Calistoga Comment
  UCD118558  Arbutus menziesii Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  CAS-BOT-BC23952  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23960  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-5-5 11300 Napa Mt. St. Helena Comment
  CAS-BOT-BC23962  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1963-9-23 105 Napa Near quarry, near Lake County Line, Mt. St. Helana. Adjacent to Silverado State Park. Comment
  CAS-BOT-BC24014  Arctostaphylos canescens subsp. canescens C. Hart Merriam; Vernon O. Bailey 1907-10-15 s.n. Napa Cuyamaca Mt. 1219 Comment
  POM367245  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa Mt. St. Helena grade. 549 Comment
  RSA301585  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena. 1067 Comment
  UC1120911  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1936-9-20 712 Napa Mt. St. Helena Calistoga Quadrangle 609 Comment
  UC674755  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena Comment
  CAS-BOT-BC23140  Arctostaphylos glandulosa subsp. glandulosa L. R. Abrams 1928-5-4 12263 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23142  Arctostaphylos glandulosa subsp. glandulosa C. Hart Merriam 1919-9-12 s.n. Napa Grade 4 miles NE Comment
  JEPS68363  Arctostaphylos glandulosa subsp. glandulosa L. R. Heckard 1972-6-26 2997 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  SBBG5421  Arctostaphylos glandulosa subsp. glandulosa Milton Workman 1953-3-23 26 Napa Mix Cyn Comment
  UC1120199  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1932-5-16 83 Napa Sarcos Creek Napa Quadrangle Comment
  UC1120313  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1936-9-20 711 Napa Mt. St. Helena Calistoga Quadrangle Comment
  UCR220105  Arctostaphylos glandulosa subsp. glandulosa Ayzik Solomeshch, Stephen Rae 2007-7-8 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  POM367347  Arctostaphylos manzanita H. de Forest 1930-3-23 14613 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  CAS-BOT-BC38918  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1930-7-13 5354 Napa Chaparral on the edge of the Crater Country Comment
  JEPS106415  Arctostaphylos manzanita subsp. elegans Jake Ruygt 1978-3-19 243 Napa Mt. St. Helena 1097 Comment
Read comments
Jan 14 2009
  UCD73423  Arctostaphylos manzanita subsp. glaucescens Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC24279  Arctostaphylos manzanita subsp. manzanita L. R. Abrams 1916-7-2 5771 Napa Near Saint Helena Sanitarium. Comment
  CAS-BOT-BC24286  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-13 15495 Napa About 3 mi. n. of Calistoga on State Highway #29. Comment
  CAS-BOT-BC38730  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-5-21 11311 Napa Hills east of Napa Comment
  CAS-BOT-BC38732  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4565 Napa Crater Country near Mt. St. Helena Comment
  CAS-BOT-BC38760  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa wooden Valley Grade Comment
  JEPS122806  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5102 Napa Wild Horse Valley Road about .2 mile from east end. QUAD: Mount George Comment
  JEPS122807  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5116 Napa Whitehall Lane at west end of county road. QUAD: Rutherford. Comment
  JEPS122812  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5107 Napa Pope Valley Road just north of tributary of Pope Creek. QUAD: Aetna Springs. Comment
  JEPS38705  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1918-6-24 7669 Napa halfway down valley floor to Toll House; Mt. St. Helena Comment
  JEPS38738  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1913-4-15 5318 Napa lower slopes w Howell Mt. Comment
  POM180789  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-7-13 5357 Napa On the edge of the Crater Country' Comment
  RSA15676  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD95691  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7037 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43838  Arctostaphylos stanfordiana John Thomas Howell 1930-3-23 4559 Napa About 1 mile se. of Mt. St. Helena Inn. Near Mt. St. Helena. Comment
  CAS-BOT-BC43858  Arctostaphylos stanfordiana Alice Eastwood 1918-5-1 6861 Napa Mt. St. Helena Comment
  JEPS38675  Arctostaphylos stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Napa Range Comment
  JEPS38679  Arctostaphylos stanfordiana W. L. Jepson 1913-4-15 5317 Napa Howell Mt. Napa Range 609 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
  UC1281156  Arctostaphylos stanfordiana H. E. McMinn 1936-4-4 4399 Napa by bridge 2 mi n Mt. St. Helena Inn Comment
  UC1303138  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa hillside between Calistoga and Franz Valley Comment
  UC421586  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa along trail to summit Mt. St. Helena Comment
  UC763114  Arctostaphylos stanfordiana R. F. Hoover 1941-4-27 4948 Napa e side Mt. St. Helena Comment
  UC924271  Arctostaphylos stanfordiana H. S. Reed 1939-4-16 229 Napa Napa Hills Comment
  SEINET11977845  Arctostaphylos stanfordiana A. E. Wieslander 1936-1 713 Napa Mount Saint Helena 610 Comment
  SEINET11977846  Arctostaphylos stanfordiana L. S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi NE of Napa 274 Comment
  SEINET8729967 Image available Arctostaphylos stanfordiana Lewis S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi. NE. of Napa. Comment
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  POM195577  Arctostaphylos stanfordiana subsp. stanfordiana H. P. Bracelin 1930-3-23 s.n. Napa 1 1/2 mi. S.E. of Mt. St. Helena. Comment
  POM367457  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree 1930-7-17 s.n. Napa Napa Comment
  RSA181955  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Comment
  RSA195289  Arctostaphylos stanfordiana subsp. stanfordiana Gilbert Muth 1967-4-9 608 Napa Aetna Springs to Callistoga Road. 671 Comment
  RSA7417  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-5-4 11276 Napa Mt. St. Helena. Comment
  UCD73847  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4982 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 269 Comment
  JEPS106410  Arctostaphylos tomentosa subsp. crustacea Jake Ruygt 1990-4-1 2449 b Napa south of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  UC876395  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1937-4-4 37017 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  UCD52212  Arctostaphylos viscida R. L. Smith 1948-4-17 s.n. Napa 5 miles north of Aetna Springs, Pope Valley, Napa County, California. Comment
  SEINET11984813  Arctostaphylos viscida Unknown 1966-1 681 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  UC763122  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-27 4950 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC47450  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-5-5 11296 Napa Mt. St. Helena Comment
  CAS-BOT-BC47452  Arctostaphylos viscida subsp. viscida John Thomas Howell 1931-4-3 6139 Napa Pope Creek Canyon near Walters Springs, Napa Range Comment
  UC1388347  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-20 874 Napa Pope Creek North Coast Ranges Comment
  CAS-BOT-BC400454  Aristolochia californica Annetta M. Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pope Valley Comment
  JEPS32455  Aristolochia californica Willis L. Jepson 1900-3-9 507 Napa Stone Bridge, St. Helena Napa R. Basin, St. Helena Comment
  UC504869  Aristolochia californica R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UC55942  Aristolochia californica J. P. Tracy 1902-5-20 1561 Napa 3 - 4 mi. e. Angwin's (1 mi. from St. Helena, along Howell Mt. rd., head of Moore's Creek); Howell Mt., Moore's Creek 152 Comment
  JEPS104505  Arnica discoidea Jake Ruygt 1979-6-3 669 Napa Aetna Springs Rd. 670 Comment
  SEINET251850  Artemisia arbuscula subsp. arbuscula L. Shultz, J. Shultz 1986-9-20 10231 Napa Hills west of Calistoga 180 Comment
  CDA11261  Artemisia californica G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11916 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Below old homestead. Comment
  UCD161686  Artemisia douglasiana Jake Ruygt 2008-8-16 5365 Napa Big Ranch Road, south of El Centro Avenue, Van Winden property, north fenceline. 17 Comment
  CAS-BOT-BC90780  Artemisia ludoviciana subsp. ludoviciana Dennis W. Woodland 1970-8-13 1618 Napa 100 yd. east of bridge at junction of Petrified Forest Road and highway 128; 1 mile north of Calistoga Comment
  UCD121260  Asclepias cordifolia Dan Kurtak 1969-5-3 50 Napa Near Chiles Creek on Pope Valley Road 2 miles south of junction with Lower Chiles Valley Road. Comment
  UCD148095  Asclepias cordifolia Jake Ruygt 1994-4-26 3359 Napa ridge in Pope Valley (Juliana Vineyard); north of Barnett Rd. 256 Comment
  UCD20502  Aspidotis californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1073 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  SJSU1350  Aspidotis densa J. W. Tilden 1953-5-24 1036 Napa Mt. St. Helena 457 Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  UC764693  Astragalus breweri R. F. Hoover 1941-4-26 4920 Napa between Walter Springs and Pope Valley; between Walter Springs and Pope Valley Comment
  UCD75830  Astragalus breweri Jake Ruygt 2005-5-16 4853 Napa Tubbs Lane at Myrtledale Rd., Calistoga; NE parcel. 122 Comment
  UCD75831  Astragalus breweri Jake Ruygt 1979-4-6 488 Napa 2.2 miles east of Butts Canyon Rd. on Snell Valley Rd. 195 Comment
  JEPS107256  Astragalus claranus Jake Ruygt 1985-3-30 1582 Napa Conn Valley Rd. along L. Hennessey 97 Comment
  JEPS107259  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa East end of Taplin Road 106 Comment
  JEPS95200  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa e end Taplin Rd 106 Comment
  CAS-BOT-BC178626  Astragalus clevelandii Edward Lee Greene 1883-8-1 s.n. Napa N. side of Mt. St. Helena Comment
  SEINET898796  Astragalus didymocarpus Frank W. Gould 1938-1 98 Napa One mile north-west of Yountville. 152 Comment
  CAS-BOT-BC178292  Astragalus gambelianus John Thomas Howell 1931-4-19 6444 Napa Conn Valley Comment
  JEPS107252  Astragalus gambelianus Jake Ruygt 1989-4-22 2284 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 304 Comment
  JEPS54652  Astragalus gambelianus Willis L. Jepson 1893-5-2 13753 Napa Pope Valley grade from Calistoga (Napa River Basin); , Pope Valley grade from Calistoga Comment
  UCD38569  Astragalus gambelianus Beecher Crampton 1956-5-25 3448 Napa Vaca Mtns., Markley Canyon. Comment
  CAS-BOT-BC27754  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  CAS-BOT-BC17531  Athysanus pusillus David D. Keck 1931-4-2 1005 Napa Foot of Wooden Valley grade, 4 miles northeast of Napa. 50 Comment
  UCD18022  Athysanus pusillus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 567 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
  UCD74389  Athysanus pusillus Jake Ruygt 1977-4-3 171 Napa Green Creek east of Lake Berryessa. 259 Comment
  UCD20429  Avena barbata E. Dean; w/ PLB 102 class 2002-5-4 1017 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  CAS-BOT-BC145927  Avena fatua E. Ruckert 1960-4-29 120 Napa 6465 Dry Creek Road. Pond 300 yards from house. 365 Comment
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  JEPS14319  Baccharis glutinosa Peter H. Raven 1955-8-27 8760 Napa at Cuttings Wharf Comment
  CAS-BOT-BC98615  Baccharis pilularis John Thomas Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  UC1222975  Baccharis pilularis Joseph P. Tracy 1948-11-15 18258 Napa near, on Silverado Trail e side of Napa Valley St. Helena Comment
  UC1536745  Baccharis pilularis G. H. True Jr. 1937-10-12 841 Napa near Lokoya Lodge Comment
  CAS-BOT-BC106728  Baccharis salicifolia Peter H. Raven 1951-5-6 2811 Napa Conn Cr. 2.5 miles from Rutherford to Conn Dam 48 Comment
  CAS-BOT-BC106729  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Montecello 167 Comment
  JEPS40689  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1915-4-23 6247 Napa Conn Valley, Napa Range Comment
  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
  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
  JEPS106775  Barbarea orthoceras Jake Ruygt 1977-3-7 146 Napa hills east of east end Westgate Dr., Silverado Country Cl. 213 Comment
  UC552234  Barbarea orthoceras Joseph P. Tracy 1933-4-30 12111 Napa La Jota Palteau, Howell Mountain, on hills head of Moore's creek, 3-4 miles East of Angwin's 518 Comment
  UCD114278  Barbarea orthoceras G. F. Hrusa; G. L. Stebbins 1994-3-11 11601 Napa Ink Grade, approx. 2 m. NE of angwin. 450 Comment
  UCD38368  Barbarea vulgaris Beecher Crampton 1955-4-4 2386 Napa 0.5 mile east of St. Helena, Silverado Trail. Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  UC37442  Beckmannia syzigachne Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UCD56781  Beckmannia syzigachne H. J. Baade 1942-6-12 s.n. Napa Napa Co. Comment
  UCD18172  Bellardia trixago 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
  CDA13211  Berberis aquifolium var. aquifolium G. F. Hrusa, M. J. Geitner 1996-4-2 12825 Napa North Coast Biodiversity Arena; Cub Valley at summit of the Palisades. Comment
  JEPS120385  Berberis aquifolium var. aquifolium Jake Ruygt 1986-3-16 1647 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road Comment
  CAS-BOT-BC75847  Berberis pinnata Ira L. Wiggins 1949-4-30 12089 Napa Eastern flank of Mount Saint Helena. 914 Comment
  RSA52658  Berberis pinnata I. L. Wiggins 1949-4-30 12089 Napa E flank of Mt St Helena. 915 Comment
  UC118106  Berberis pinnata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  RSA769216  Bergia texana L. Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  UCD114361  Boechera breweri Robert E. Preston 1987-6-13 558 Napa S side of Hwy 128 at Monticello Dam, Lake Berryessa. 152 Comment
  JEPS110568  Boschniakia strobilacea Jake Ruygt 1998-5-30 4009 Napa Mt. St. Helena, on RLS cabin trail. 792 Comment
  UC1543022  Briza minor Donald G. Nelson 1936-4-1 123 Napa along trail to Green Valley Falls Comment
  UCD36947  Briza minor Beecher Crampton 1956-5-25 3475 Napa Southeastern Capell Valley. Comment
  UCD57406  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa Northern Coast Ranges. Howell Mountain. At head of Moore's Creek, 3-4 miles east of Angwin's. La Jota Plateau. 518 Comment
  JEPS129035  Brodiaea elegans subsp. elegans Jake Ruygt 2016-5-28 6268 Napa Oil Well Road 1/4 mile west of high point. Lake Berryessa 7.5' Quad. Comment
  JEPS50491  Brodiaea elegans subsp. elegans Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9306 Napa along Conn Valley Road (0.8 mi e of its junction with Howell Mountain Road at upper end Conn Valley); upper end of Conn Valley 121 Comment
  CAS-BOT-BC484197  Brodiaea elegans var. elegans Betty H. Johnson 1958-6-15 623 Napa Near St. Helena River, 6.4 mi S.W. of Middletown Comment
  JEPS50490  Brodiaea leptandra Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9305 Napa in dry bed of rivulet along Conn Valley Rd. 0.8 mi e junction with Howell Mtn. road (at upper end of valley); Conn Valley 121 Comment
  UCD148734  Brodiaea leptandra Jake Ruygt 1979-7-28 757 Napa Napa County; 0.9 mile east of Cold Springs Rd. on Los Posados Rd. 521 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
  UCD58005  Bromus carinatus K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  UCD58765  Bromus hordeaceus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  JEPS76000  Bromus japonicus W. L. Jepson 1936-6-1 17591 Napa w side of Four Corners (Howell Mt.); Howell Mountain, Four Corners Comment
  CDA10878  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10973 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA31339  Bromus laevipes D. G. Kelch 2010-5-6 10 .174 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS123005  Bromus laevipes Jake Ruygt 1990-6-4 2579 Napa Silverado County Club at Milliken Water Treatment Plant. Quad: Napa. Comment
  JEPS75634  Bromus laevipes W. L. Jepson 1936-5-28 17541 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  JEPS75638  Bromus laevipes W. L. Jepson 1936-5-28 17545 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  SBBG20183  Bromus laevipes M. S. Walters 1960-6-18 Napa St Hwy 128 ca. 1 mi W of Conn Lake picnic grounds (ca. 4 mi E of Rutherford) Comment
  UCD58612  Bromus laevipes Jack A. Thiel 1955-5-21 s.n. Napa About 10 miles south of Knoxville. Monticello-Lower lake Road. Comment
  UCD58901  Bromus laevipes Beecher Crampton 1957-6-4 4107 Napa Above Capell Creek. North end of Capell Valley. Comment
  UCD58930  Bromus laevipes Beecher Crampton 1957-6-4 4108 Napa Above Capell Creek. North end of Capell Valley. Comment
  HSC43974  Bromus madritensis subsp. rubens Robert M. Specht 1977-4-19 689 Napa Along drainage running NE from Adams Creek. Comment
  UCD121145  Bromus pseudolaevipes Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7345 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  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
  SACT001003  Bromus rubens John Willoughby 1976-3-25 Napa West side of range, a few hundred feet below ridge, near latitude of Mount Vaca, above head of Seventy Acre Canyon, chaparral. Comment
  UCD121177  Bromus rubens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7357 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD59612  Bromus rubens Beecher Crampton 1965-6-30 7394 Napa Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  CAS-BOT-BC161638  Bromus sterilis Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5351 Napa South side of Pope Creek northwest of Samuels Springs. 152 Comment
  UCD83855  Bromus sterilis Ellen Dean; Kate Mawdsley 2010-4-30 5944 b Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. 71 Comment
  JEPS123000  Bromus tectorum Jake Ruygt 1992-4-2 2875 Napa Jonson's Meadow, Wild Horse Valley Ranch. Quad: Mount George. Comment
  RSA115462  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa Above Capell Creek, north end of Capell Valley Comment
  UCD57534  Calamagrostis ophitidis Beecher Crampton 1953-5-19 1304 Napa 11 miles east of Rutherford, Chiles Valley. Comment
  SBBG21229  Calamagrostis rubescens B. Crampton 1961-6-12 Napa 7 mi E of Napa, Howell Mtn, summit of St Hwy 37 Comment
  UCD57739  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Summit State Hwy. 37, Howell Mountains, 7 miles northeast of Napa. Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  UCD48084  Calandrinia breweri R. Brush; A. Atamian, C. Owens, S. Olmsted, and M. Furuyama 2000-4-29 8 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  JEPS52607  Calandrinia ciliata Willis L. Jepson 1893-4-27 Napa hills near Veteran's Home; Napa River Basin, Yountville Comment
  SEINET5726743 Image available Calandrinia ciliata Kim Page 1965-1 5 Napa Dollarhide Road, ca. 3 miles east from Pope Valley.; Pope Valley Comment
  UCR12023  Calandrinia ciliata var. menziesii Coleta A. Lawler 1964-3-24 08 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  HSC15340  Calochortus amabilis C. B. Wolf 1928-5-3 1787 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  SEINET3884899  Calochortus amabilis R. Wenk, L. Lina; A. Miles; J. Waggoner; E. Anderson 2000-4-22 5 Napa Mclaughlin Reserve, first ridge South og Knoxville-Berryessa Road, on Southeast side of Devilhead Road.; 0 515 Comment
  CAS-BOT-BC488496  Calochortus amabilis Betty H. Johnson 1959-6-8 606 Napa In meadow near St. Helen River 2.4 mi. S.W. of Middletown. Comment
  RSA68639  Calochortus amabilis J. T. Howell 1931-4-2 6076 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UCD40875  Calochortus amabilis Judy Force 1984-4-21 s.n. Napa Near Lake Berryessa. Comment
Read comments
Oct 15 2010
  JEPS128394  Calochortus luteus Adam C. Schneider with Dick O'Donnell 2013-5-28 244 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Berryessa Knoxville Road Comment
  UCD139528  Calochortus luteus A. Amezcua 1995-5-26 25 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  UCD139540  Calochortus luteus L. P. Thibault 1995-6-2 55 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  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
  JEPS8947  Calochortus splendens Rimo Bacigalupi with L. T. Dempster and G. T. Robbins 1954-5-25 4507 Napa 8.2 mi e Conn Lake (reservoir) (slopes above Soda Creek on State Route 28) Comment
  JEPS61728  Calochortus superbus W. L. Jepson 1904-6-3 2432 Napa St. Helena to Howell Mt. (Howell Mt. foothills) 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
  CAS-BOT-BC483611  Calochortus tolmiei Elizabeth Wright 1922-4-1 s.n. Napa Calistoga Comment
  JEPS113986  Calochortus uniflorus Jake Ruygt 1981-5-6 1011 Napa Highway 28, 0.2 mile south of Lower Chiles Valley Road. Chiles Valley 7.5' Quad. Comment
  JEPS17769  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley 91 Comment
  POM182666  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UC3488  Calochortus uniflorus Willis L. Jepson 1893-5-2 Napa near Calistoga; Napa River Basin, Salt Marsh Comment
  UCD167101  Calochortus vestae Jake Ruygt 2015-6-20 6139 Napa Missimer - Snell Valley Preserve. 175 Comment
  UCD166653  Calochortus vestae Jake Ruygt 1995-6-5 3491 Napa 1.5 miles south of Lake Hennessey on private (Taylor) road. 402 Comment
  UCD148841  Calycadenia Ellen Dean; Diana Hickson 2014-4-29 8145 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UC1876218  Calycadenia fremontii Gerald D. Carr 1971-9-20 666 Napa 4.2 mi N of Spanish Flat on Knoxville-Berryessa Rd. 152 Comment
  UC1876235  Calycadenia fremontii Gerald D. Carr 1971-8-6 620 Napa Lake Hennessey, Hwy 128, 1.7 mi SW of Chiles-Pope Valley Rd. Comment
  UC1876230  Calycadenia fremontii Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Rd., 1.3 mi S of Snell Valley Rd. Comment
  CAS-BOT-BC270616  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  JEPS122696  Calycadenia multiglandulosa Jake Ruygt 1982-7-18 1373 Napa Deer Park Road at Four Corners. Quad: St. Helena. Comment
  UC194184  Calycadenia multiglandulosa H. M. Hall 1915-8-12 10092 Napa Howell Mountain, near summit, along n road to Woodworth's 518 Comment
  CAS-BOT-BC270835  Calycadenia pauciflora John Thomas Howell 1930-10-19 5626 Napa 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa - Lake County line Comment
  RSA255599  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles north of Hwy. 128 Comment
  CAS-BOT-BC270826  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Road, 10.0 miles SW of Berryessa - Knoxville Road, via Devilhead Road Comment
  CAS-BOT-BC270840  Calycadenia pauciflora J. Clausen 1935-5-22 1064 Napa 19.5 miles SE of Lower Lake on the Monticello Road, on slope near road, facing SE at bend in road Comment
  RSA255579  Calycadenia pauciflora Gerald D. Carr 1974-5-28 762 Napa 3.3 miles SE of Howell Mt. Road on Conn Valley Rd. Comment
  UCD129842  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 miles south of Berryessa-Knoxville Road on Devilhead Road, Cedar Valley. Comment
  UCD129844  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. 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
  JEPS38573  Calycadenia truncata W. L. Jepson 1892-10-22 Napa near, Park Hill St. Helena; Park Hill Comment
  CAS-BOT-BC271572  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271573  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271556  Calycadenia truncata subsp. truncata H. M. Hall 1924-8-24 s.n. Napa St. Helena Comment
  CAS-BOT-BC90960  Calycanthus occidentalis John Thomas Howell 1927-8-23 3041 Napa Sage Canon [Canyon] in Napa Range east of Rutherford. 91 Comment
  JEPS40320  Calycanthus occidentalis Willis L. Jepson Jul 1894 Napa Mt. St. Helena Comment
  RSA1008  Calycanthus occidentalis J. T. Howell 1927-8-23 680 Napa Sage Canon, Napa Range. 91 Comment
  RSA23335  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  UCD137894  Calycanthus occidentalis P. B. Kaufman 1950-4-28 37 Napa Putah Canyon. Comment
  UCD137901  Calycanthus occidentalis Andrew T. Leiser 1965-6-1 s.n. Napa Napa Mountains. Comment
  UCD137923  Calycanthus occidentalis Grady L. Webster 1990-4-28 7725 Napa south of Lake Hennessey, around 1 mile east of junction of Silverado Trail and Route 128. 100 Comment
  UCR44917  Calycanthus occidentalis L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  SEINET8690276 Image available Calycanthus occidentalis Marion Ownbey, Ruth P. Ownbey 1938-7-9 1700 Napa 6 mi NE of Napa Comment
  UC23185 Image available Calystegia collina subsp. collina Willis L. Jepson 1894-5-1 Napa Conn Valley, Napa River Basin. Comment
  UCD47956  Calystegia collina subsp. collina R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 17 Napa Northern Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  UCD160744  Calystegia occidentalis subsp. fulcrata Ellen Dean 2015-5-23 8796 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 249 Comment
  UCD160804  Calystegia occidentalis subsp. occidentalis Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8684 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD164771  Calystegia occidentalis subsp. occidentalis Jake Ruygt 2014-5-19 5945 Napa Sutro Ranch, Atlas Peak. 762 Comment
  UCD70455  Calystegia purpurata P. J. Plummer 1995-5-27 s.n. Napa East facing hillside 25 m off hwy 128. 335 Comment
  JEPS31633  Calystegia purpurata W. L. Jepson 1938-5-25 18862 Napa Bell Canyon Napa Range, Howell Mt., Bell Canyon (Howell Mt., Napa Range) 579 Comment
  JEPS31641  Calystegia purpurata Willis L. Jepson 1894-5-1 14515 Napa Napa River Basin , trip to mouth Conn Valley (trip to Mouth Conn Valley) Comment
  JEPS106400  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1987-5-16 1990 Napa Bismark Knob 563 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
  JEPS122731  Camissoniopsis intermedia Jake Ruygt 1989-4-22 2279 Napa About 1/2 mile south of Monticello Dam on Vaca Mts. Quad: Monticello Dam. Comment
  JEPS106555  Campanula angustiflora Jake Ruygt 1992-5-15 2959 b Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UCD75840  Campanula angustiflora Jake Ruygt 2005-6-1 4890 Napa Blue Ridge, about 1 mile north of Mays Flat. 737 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
  UCD167163  Campanula griffinii Jake Ruygt 2015-4-13 6066 Napa Butts Canyon Road about 0.4 mile south of Snell Valley road. 246 Comment
  JEPS53372  Cardamine californica Willis L. Jepson 1896-2-22 13395 a Napa Stone Bridge Hill Napa River Basin, St. Helena, Stone Bridge Hill (St. Helena, Napa River Basin) Comment
  UC583409  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa 4 mi n Calistoga (Mayacama Mountains, Crater Region); Mayacama Mountains, Crater Region, n of Calistoga Comment
  UCD114190  Cardamine californica G. F. Hrusa; G. L. Stebbins 1994-3-11 11597 Napa Las Posadas State Forest; immediately E of Fire Station in upper drainage of Moore Creek. 450 Comment
  UCD17995  Cardamine californica Ellen Dean; Kate Mawdsley 2001-4-9 681 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 243 Comment
  UCD74393  Cardamine californica Jake Ruygt 2006-4-15 4978 Napa Las Posadas State Forest, near county road. 507 Comment
  UCD160570  Carex G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD161692  Carex amplifolia Jake Ruygt 2010-5-16 5558 Napa Mt. George, near Foote Botanical Preserve trailhead. 304 Comment
  JEPS121332  Carex aquatilis var. dives Jake Ruygt 2006-4-15 4982 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  JEPS63517  Carex barbarae W. L. Jepson 1936-7-2 17664 Napa Angwin Meadow, Howell Mountain, Napa Range 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
  POM118371  Carex densa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC50831  Carex densa J. P. Tracy 1902-5-17 1523 Napa 3-4 miles E of Angwin's (Head of Moore's Creek); Howell Mountain 457 Comment
  CAS-BOT-BC35071  Carex densa Peter H. Raven 1951-6-21 3074 Napa Wooden Valley Grade. 304 Comment
  UCD161698  Carex densa Jake Ruygt 2010-5-24 5561 Napa south of Heitz Way, west side of Highway 29. 94 Comment
  UCD161704  Carex densa Jake Ruygt 2010-6-5 5596 Napa Moskowite Corner, Highway 128 and 121. 252 Comment
  JEPS121324  Carex feta Jake Ruygt 1992-5-20 2990 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Comment
  JEPS76001  Carex feta W. L. Jepson 1936-6-1 17590 Napa Napa Range, Howell Mountain, west side of Four Corners Four Corners; Napa Range, Howell Mountain, Four Corners Comment
  SEINET7558576 Image available Carex feta Wilhelm N. Suksdorf 1913-7-28 7071 Napa North of Napa. Comment
  UCD161708  Carex feta Jake Ruygt 2010-6-26 5658 -b Napa Las Posadas State Forest, near public road. 518 Comment
  UC1023488  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa e Napa; Sarco Creek 60 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
  JEPS121336  Carex nudata Jake Ruygt 1984-3-20 1506 Napa Bear Canyon Comment
  JEPS121337  Carex nudata Jake Ruygt 1993-4-3 3179 Napa Little Bear Valley, along drainage leading in from the W. Comment
  POM230030  Carex nudata Alice Eastwood, John Thomas Howell 1937-4-4 3826 Napa North of Wooden Valley. Comment
  SEINET8055338 Image available Carex nudata A. Eastwood, J. T. Howell 1937-4-4 3826 Napa near summit N of Wooden Valley Comment
  UCD161702  Carex praegracilis Jake Ruygt 2010-5-1 5531 Napa Hunting Creek near campground. (Coorindates converted from UTM data by label maker.) 329 Comment
  UC835992  Carex serratodens Mrs. H. C. Cantelow 1939-4-8 Napa 3 1/2 mi nw Knoxville Comment
  UCD161694  Carex subbracteata Jake Ruygt 2010-4-19 5509 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  JEPS100376  Carex subfusca Dean W. Taylor 2001-5-15 17650 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS129076  Carex tumulicola Jake Ruygt 2016-4-12 6185 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC115551  Carex tumulicola Peter H. Raven 1951-6-26 3093 Napa Cappell Valley to Wooden Valley. 274 Comment
  UCD161735  Carex tumulicola Jake Ruygt 2010-5-15 5504 -x Napa Las Posadas State Forest, south side of Moore Creek near Recreation Flat. 384 Comment
  SEINET13331031 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
  RSA296442  Castilleja affinis R. W. Cruden 1967-5-27 1247 Napa About 3 miles northeast of Angwin, Ink Grade. 488 Comment
  POM15999  Castilleja affinis R. H. Platt 1898-4-3 s.n. Napa Vacaville. Comment
  POM203724  Castilleja affinis J. T. Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  UCD122149  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. Comment
  JEPS25049  Castilleja affinis subsp. affinis J. P. Tracy 1899-6-26 371 Napa 32 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS88824  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-6-23 7833 Napa 1.3 mi sw Highway 121 junction with Wooden Valley Road (on Highway 121) Comment
  SEINET4392935  Castilleja affinis subsp. neglecta Laney Widener 2013-1 Napa Comment
  JEPS110630  Castilleja ambigua subsp. ambigua Jake Ruygt 1980-6-1 909 Napa Milton Rd. across from yacht club 0 Comment
  JEPS9137  Castilleja ambigua subsp. ambigua W. L. Jepson 1893-4-24 21401 Napa hills e St. Helena to Conn Valley Grade (Howell Mt. foothills); Napa River Basin, Howell Mt. Comment
  JEPS47329  Castilleja applegatei subsp. martinii L. R. Heckard and R. Bacigalupi 1965-5-15 1457 Napa about 3.5 air mi se Knoxville (at head of the falls on Zim Zim Creek); Zim Zim Creek 365 Comment
  JEPS35586  Castilleja applegatei subsp. martinii L. R. Heckard 1964-6-11 1368 Napa just above Hanley's Resort (on the grade over se flank of Mt. St. Helena, along Calif Hwy 29); Mt. St. Helena 609 Comment
  JEPS4833  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4129 Napa Exactly 1 mile south of summit (St. Helena summit) of State Highway no. 29. Comment
  JEPS5727  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1951-6-3 3359 Napa road from Calistoga to Middletown (about 0.75 of the way up the summit, along grade over shoulder of Mt. St. Helena); Mt. St. Helena Comment
  RSA523430  Castilleja applegatei subsp. martinii L. R. Heckard 1964-6-11 1368 Napa Just above Hanley's Resort on the grade over SE flank of Mt. St. Helena; along Calif. 29. Comment
  SEINET13732897  Castilleja applegatei subsp. pinetorum R. R. Halse 2013-3-27 8753 Napa S end of Lake Berryessa, along State Hwy 128, ca 8.7 miles W of Winters, just W of Monticello Dam. 143 Comment
  JEPS110667  Castilleja attenuata Jake Ruygt 1977-5-1 207 Napa east of east end Westgate Dr., Silverado Country Club 198 Comment
  JEPS122768  Castilleja attenuata Jake Ruygt 2011-5-28 5795 Napa Atlas Peak Road, south of Foss Valley, Mead Ranch. Quad: Yountville. Comment
  JEPS9970  Castilleja attenuata W. L. Jepson 1944-5-21 27528 Napa w base Adam-and-Eve Ridge; Howell Mountain Comment
  JEPS9947  Castilleja attenuata W. L. Jepson 1937-5-15 18786 Napa 0.5 mi n Napa Wye Comment
  JEPS110669  Castilleja densiflora subsp. densiflora Jake Ruygt 1990-4-20 2485 Napa near end of Henry Rd. 97 Comment
  JEPS86223  Castilleja densiflora subsp. densiflora L. R. Heckard 1970-5-4 2449 Napa ca 10 mi n Vallejo (on n side of Kelly Rd, 0.5 mi n of CA Hwy 12, near junction of Hwy 12 and Hwy 29) Comment
  UCD167995  Castilleja foliolosa James A. Neilson Jr. 1977-4-13 3862 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD18159  Castilleja foliolosa Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD48220  Castilleja foliolosa S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 28 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 487 Comment
  UCD48221  Castilleja foliolosa P. Mayers; M. Carson, A. Haselby, J. Howard 2000-4-29 18 Napa Napa County, McLaughlin Reserve, near Yolo County line. 670 Comment
  UC444884  Castilleja foliolosa H. P. Chandler 1907-5-19 7575 Napa White Sulphur Springs; St. Helena Comment
  UCD117763  Castilleja lacera Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. Adjacent to serpentine slope. 386 Comment
  CAS-BOT-BC241282  Castilleja latifolia Peter H. Raven 1952-5-26 4071 Napa Wooden Valley Grade, (e. side) 304 Comment
  CAS-BOT-BC241283  Castilleja latifolia Peter H. Raven 1952-5-31 4155 Napa Rector Dam 152 Comment
  UC1537565  Castilleja minor subsp. spiralis Gordon H. True Jr. 1937-7-30 825 Napa near Aetna Springs 365 Comment
  JEPS104691  Castilleja minor subsp. spiralis John L. Morrison 1936-9-19 1946 Napa Knoxville Mines Comment
  JEPS11155  Castilleja rubicundula subsp. rubicundula W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge; ne Napa County 609 Comment
  CAS-BOT-BC40474  Caulanthus lasiophyllus John Thomas Howell 1931-4-2 6074 Napa Wooden Valley grade 5 miles east of Napa. Comment
  CAS-BOT-BC83848  Ceanothus confusus D. O. Burge 2008-5-31 1005 c Napa Mayacmas Mountains, York Creek 200 Comment
  JEPS78441  Ceanothus cuneatus Edward Lee 1936-3-15 1824 Napa trip from Rutherford to Pope Valley Butt's Canyon Comment
  POM204011  Ceanothus cuneatus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  RSA298950  Ceanothus cuneatus Edward Lee 1936-3-15 1824 Napa Butt's Canyon (trip from Rutherford to Pope Valley) Comment
  RSA41954  Ceanothus cuneatus H. C. Cantelow 1936-3-22 1139 Napa Howell Mt. Comment
  UCD20650  Ceanothus cuneatus R. J. Blenkush; J. H. Richards 2000-1-29 44 Napa Berryessa-Knoxville Road. 1 mile north of Putah Creek Resort. 158 Comment
  UCD95690  Ceanothus cuneatus Ellen Dean; with Clare Loughran 2011-5-20 7036 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 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
  SEINET10805183  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 Burge DOB 899 d Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 deg. (True) ENE of Rutherford. 270 Comment
  UC903042  Ceanothus cuneatus var. cuneatus Ethel Crum 1937-4-19 1784 Napa 15 mi n Napa (Steel Canyon,); Napa Range Comment
  CAS-BOT-BC49111  Ceanothus cuneatus var. ramulosus Ira L. Wiggins 1932-3-12 5766 Napa Hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC49785  Ceanothus divergens John Thomas Howell 1941-4-5 16162 Napa Franz Valley Comment
  CAS-BOT-BC49792  Ceanothus divergens Mrs. Elizabeth Wright 1922-4-17 s.n. Napa near Calistoga Comment
  CAS-BOT-BC49806  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi. south of Calistoga Comment
  CAS-BOT-BC64438  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  JEPS110718  Ceanothus divergens Jake Ruygt 1979-3-25 460 Napa 1.5 miles west of HWY 29 on Whitehall Lane 128 Comment
  POM90823  Ceanothus divergens C. C. Parry 1881-1 s.n. Napa Calistoga. Comment
  SEINET12211279  Ceanothus divergens W. Knight, Schmidt, C. 1987-1 6058 Napa Kortum Canyon Road 274 Comment
  UCSB24496  Ceanothus divergens Baker, Milo Napa Franz Valley 5 miles west of Calistoga Comment
  CAS-BOT-BC83819  Ceanothus foliosus D. O. Burge; C. Miller 2007-6-12 941 b Napa Mayacmas Mountains, at roadside on Livermore Road 535 Comment
  RSA127599  Ceanothus foliosus Peter H. Raven 1955-4-9 8264 Napa W slope of Howell Mt. 457 Comment
  UCD112130  Ceanothus foliosus M. Wiesendanger 1927-5-4 697 Napa Monticello Road. Comment
  UCR43196  Ceanothus foliosus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  SEINET13945880 Image available Ceanothus foliosus Lewis S. Rose 1964-1 64018 Napa 2 mi SW of Angwin alt. ca 800 ft 244 Comment
  CAS-BOT-BC50909  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4566 Napa Petrified Forest Comment
  CAS-BOT-BC50915  Ceanothus foliosus var. foliosus C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  UCD112139  Ceanothus foliosus var. foliosus Ray Prag 1970-6-9 s.n. Napa Deer Park Road, 3.8 miles east of Silverado Trail. Comment
  CAS-BOT-BC50789  Ceanothus integerrimus H. E. McMinn 1922-1-1 388 Napa Between Aetna Springs and Middletown 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
  CAS-BOT-BC50631  Ceanothus jepsonii H. E. McMinn 1922-8-2 298 Napa Upper Pope Valley along old RR bed Comment
  CAS-BOT-BC538061  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, W of Putah Creek Comment
  RSA758815  Ceanothus jepsonii D. H. Wilken, E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Canyon Road, about 1.5 linear kilometers south of junction with Snell Valley Road. 315 Comment
  UC166029  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa 3-4 mi e Angwin's (Howell Mt., hills at head of Moore's Creek.); Northern Coast Ranges 365 Comment
  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
  RSA52713  Ceanothus jepsonii subsp. albiflorus I. L. Wiggins 1949-4-30 12095 Napa Along old toll road between Calistoga and Middletown. Comment
  CAS-BOT-BC51127  Ceanothus jepsonii var. albiflorus M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  JEPS42435  Ceanothus jepsonii var. jepsonii W. L. Jepson 1924-4-27 10321 Napa a little below Toland House on Sanitarium Road Howell Mt. 548 Comment
  RSA0056202  Ceanothus jepsonii var. purpureus Keith E. Hoffmaster 1946-3-23 1226 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD147529  Ceanothus oliganthus Ellen Dean; Diana Hickson 2014-4-29 8083 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  POM182687  Ceanothus oliganthus var. sorediatus D. D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  UCD112306  Ceanothus oliganthus var. sorediatus B. Crampton 1957-4-15 s.n. Napa Martley Canyon, Vaca Mountains. Comment
  CAS-BOT-BC53213  Ceanothus parryi Joseph P. Tracy 1902-5-21 1583 Napa Howell Mountain, on hills at head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  CAS-BOT-BC53219  Ceanothus parryi Alice Eastwood 1923-5-9 11745 Napa Calistoga Comment
  CAS-BOT-BC53221  Ceanothus parryi Alice Eastwood 1915-6-5 4651 Napa Calistoga Comment
  CDA11179  Ceanothus parryi G. F. Hrusa 1988-4-16 5539 Napa North Coast Biodiversity Arena; along Pope Creek, immed. E of bridge crossing below Chiles Valley Rd. Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd 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
  UC18398  Ceanothus parryi Willis L. Jepson 1893-5-6 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  UC79861  Ceanothus parryi C. C. Parry 1888-1 Napa Calistoga Comment
  RSA52656  Ceanothus prostratus var. occidentalis I. L. Wiggins 1949-4-30 s.n. Napa 1.5 miles from summit of Mt St. Helena 1067 Comment
  CAS-BOT-BC52180  Ceanothus purpureus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. 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-BC52195  Ceanothus purpureus Mrs. H. C. Hand 1913-6-8 s.n. Napa Napa mountains Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 Comment
  CDA11156  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11567 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
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Jul 28 2008
  CDA11158  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11570 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
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Jul 28 2008
  CHSC106015  Ceanothus purpureus Ayzik Solomeschch; Stephen Rae 2007-7-8 Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. UTM: 10S, 565647, 4246590. 215 Comment
  JEPS110727  Ceanothus purpureus Jake Ruygt 1995-3-29 3412 Napa about 2 mi S of Sage Canyon Road across from boat ramp 457 Comment
  JEPS110729  Ceanothus purpureus Jake Ruygt 1977-3-7 147 Napa east of east end of Westgate Dr., Silverado 274 Comment
  JEPS42335  Ceanothus purpureus H. E. McMinn 1923-5-25 964 a Napa Summit Wooden Valley Grade Comment
  POM183416  Ceanothus purpureus J. T. Howell 1931-4-2 6067 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  SJSU14052  Ceanothus purpureus C. L. Schmidt 1987-5-24 1183 Napa Mt George off Monticello Rd CA-121 396 Comment
  UC728640  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa 5 mi from Napa on Monticello Road Comment
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Dec 31 2011
  JEPS110662  Ceanothus sonomensis Jake Ruygt 1991-4-5 2619 Napa 1/2 mile south of Hogback Mtn. along ridgeline 402 Comment
  SBBG50595  Ceanothus sonomensis I. Onwueme 1966-4-28 20 Napa ca. 2 mi E of Pope Valley 213 Comment
  UC1736103  Ceanothus sonomensis Dean W. Taylor 1998-6-3 16455 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UCD23389  Ceanothus sorediatus D. Rhode 1977-4-16 16 Napa Chaparral, in hills alongside Monticello Dam Rd. Comment
  CAS-BOT-BC52894  Ceanothus velutinus H. E. McMinn 1922-3-27 58 Napa Mt. St. Helena Comment
  CAS-BOT-BC282010  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort, Lake Berryessa, Vaca Mountains, about S arm of the lake Comment
  JEPS44142  Centaurea cyanus W. L. Jepson 1936-7-2 17639 Napa Four Corners Napa Range, Howell Mt. Comment
  UCD19324  Centaurea solstitialis M. A. Bibbo; E. Dean 2001-7-6 16 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  UCD130089  Centaurea solstitialis Mannix Mendoza Date Unknown 13 Napa Hwy 128, 1 mile south of Lake Berryessa. Comment
  CDA14310  Centaurium tenuiflorum W. Ogden 1998-7-6 s.n. Napa North Coast Biodiversity Arena; Pope Valley Rd. 0 Comment
  UCD83404  Centaurium tenuiflorum Jake Ruygt 2004-10-10 4682 Napa 0.1 mi N of Wine Country Rd. on Solano Ave. 22 Comment
  UC1328137  Centaurium trichanthum Donald V. Hemphill 1941-6-26 194 Napa 2 mi se Angwin 396 Comment
  JEPS38152  Centromadia fitchii W. L. Jepson 1930-10-19 15688 Napa Pope Valley Comment
  JEPS38180  Centromadia fitchii Willis L. Jepson 1893-9-25 Napa Suscol Hills Comment
  UC1034623  Centromadia fitchii Milo S. Baker 1932-5-8 5903 Napa near School House; Mill Creek Canyon Comment
  CAS-BOT-BC272829  Centromadia parryi subsp. parryi Alice Eastwood 1918-9-3 7960 Napa Calistoga Comment
  JEPS122713  Centromadia parryi subsp. parryi Jake Ruygt 1994-6-7 3397 Napa Calistoga Airport. Quad: Calistoga. Comment
  JEPS38142  Centromadia parryi subsp. parryi W. L. Jepson 1895-8-30 Napa Calistoga Napa River Basin Comment
  UC89053  Centromadia parryi subsp. parryi T. S. Brandegee 1892-8-1 Napa Calistoga Comment
  UC523517  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi s of Napa Comment
  OBI9960  Cephalanthus occidentalis H. E. McMinn 1925-1-24 1391 b Napa From garden Comment
  HSC4108  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  CAS-BOT-BC179401  Cercis occidentalis Camille F. Nowell 2011-6-14 13 Napa Hwy. 128 (Capell Valley Road) going E toward Winters. 191 Comment
  SBBG29889  Cercis occidentalis E. Crum 1937-8-8 1956 Napa Putah Crk Cyn, 7 mi SE of Monticello Comment
  UCD105654  Cercis occidentalis D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 330 Comment
  JEPS44709  Cercocarpus betuloides var. betuloides W. L. Jepson 1937-4-10 17999 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UC26097  Cestrum parqui unknown 1893-1 Napa Napa City Comment
  UCD70463  Chaenactis glabriuscula var. glabriuscula B. Wengeler 1995-4-30 s.n. Napa West of city of Winters, 2 m N of hwy 128 along Knoxville Rd. 183 Comment
  POM203306  Chaenactis glabriuscula var. heterocarpha J. T. Howell 1931-4-19 6459 Napa Conn Valley. Comment
  JEPS875  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1897-6-2 Napa Conn Valley Ridge Napa Valley Basin Comment
  UCD130360  Chaenactis glabriuscula var. heterocarpha Robert E. Preston 1988-4-10 575 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, 268 Comment
  JEPS116553  Cheilanthes covillei Jake Ruygt 2003-3-22 4478 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UC1093986  Cheilanthes intertexta Herbert L. Mason 1925-1-22 1209 Napa Wooden Valley Grade Comment
  JEPS126100  Chenopodium album Jake Ruygt 1986-7-12 1870 Napa East bank of Napa River just east of confluence Tulocay Creek. Napa 7.5' Qua. Comment
  JEPS106825  Chenopodium ambrosioides Jake Ruygt 1978-9-19 416 Napa Napa River south of Trancas St., Napa 3 Comment
  CHSC103010  Chenopodium ambrosioides var. ambrosioides Lowell Ahart 2009-10-12 16436 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
  JEPS106820  Chenopodium berlandieri Jake Ruygt 1986-7-12 1867 Napa Imola Ave, east of Maxwell Bridge,Napa 2 Comment
  CAS-BOT-BC238001  Chloropyron molle subsp. molle Peter H. Raven 1952-8-26 5138 Napa Nr. Bentley Wharf 15 Comment
  CAS-BOT-BC256931  Chorizanthe membranacea Peter H. Raven 1951-6-10 2945 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC252839  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-5 4603 Napa Petrified Forest Comment
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Apr 17 2018
  CAS-BOT-BC252838  Chorizanthe polygonoides var. polygonoides Peter H. Raven 1951-6-10 2908 Napa Crater Region E of Mt. St. Helena 792 Comment
  SEINET11933915  Chorizanthe polygonoides var. polygonoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -297 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC521765  Cichorium intybus Joseph Andorfer Ewan 1933-9-17 7998 Napa Napa Napa Valley Comment
  RSA95088  Cichorium intybus Joseph A. Ewan 1933-9-17 7998 Napa Vacant lot in Napa, Napa Valley Comment
  UCD130481  Cichorium intybus Austin Griffiths Jr.; Patricia L. Griffiths 1963-9-5 4824 Napa Expty residental lot, Napa Valley. Comment
  CAS-BOT-BC278018  Cirsium cymosum Peter H. Raven 1952-6-28 4204 A Napa Conn Valley 121 Comment
  CDA11426  Cirsium cymosum G. F. Hrusa, M. Tu 1995-5-6 12149 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  UCD18073  Cirsium cymosum Ellen Dean; with Plant Biology 102 class 2000-4-22 628 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  CAS-BOT-BC278020  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol Comment
  JEPS106932  Cirsium cymosum var. cymosum Jake Ruygt 1979-6-3 677 Napa Aetna Springs Rd. 438 Comment
  OBI57137  Cirsium cymosum var. cymosum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24516 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  CDA1207  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
  CDA1212  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  CAS-BOT-BC279969  Cirsium douglasii var. douglasii Gene Cornett 1952-6-2 s.n. Napa Napa Comment
  JEPS59118  Cirsium douglasii var. douglasii Willis L. Jepson 1892-8-1 Napa Napa Valley Comment
  CDA1303  Cirsium occidentale var. californicum R. Lawley 1968-5-4 s.n. Napa Oakville Grade Rd. Comment
  CDA1304  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -A Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CDA1306  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -C Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  JEPS106936  Cirsium remotifolium var. odontolepis Jake Ruygt 1991-5-25 2689 Napa about .1 mile north of Hill Rd. on Howell Mtn. Rd. 551 Comment
  UC127474  Cirsium remotifolium var. odontolepis Harley P. Chandler Sep 7 1906-Sep 14 1906 7151 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD49180  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 20 Napa Quail Ridge UC Reserve, northern tip of peninsula, shaded shallow saddle 50 ft. W of power line near ridge. 274 Comment
  UC1299420  Clarkia amoena Freed W. Hoffman 1947-6-18 1649 Napa Pope Valley road North Coast Ranges 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-BC163512  Clarkia amoena subsp. huntiana James L. Reveal 1987-6-7 6406 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 243 Comment
  UCD69065  Clarkia arcuata P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lower Chiles Valley Road. 240 Comment
  CAS-BOT-BC32902  Clarkia breweri Dr. A. W. Saxe 1872-1-1 s.n. Napa Near the Geysers Comment
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Apr 3 2019
  CAS-BOT-BC172181  Clarkia concinna John Thomas Howell 1929-5-30 4279 Napa Between Chiles and Pope Valleys, Napa Range Comment
  SFV8309  Clarkia concinna J. W. Katberg, Jr. 1966-5-11 44 Napa North Coast Ranges Cedar Valley Road, about 2 miles southwest of Knoxville. 450 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
  CDA38053  Clarkia concinna W. C. Jacobsen Jun 1920 57 Napa Calistoga. 0 Comment
  LA93786  Clarkia concinna Barrie Stanfield; 1966-5-22 51 Napa Napa Range, 5 mi S of Wooden Valley Comment
  OBI48652  Clarkia concinna Joseph Andorfer Ewan 1934-4-30 8858 Napa 4 mi above Samuel Springs, Rays Valley Grade Comment
  UCD104422  Clarkia concinna M. Ensign 1943-5-28 312 Napa 12 miles N of Monticello on road to Lower Lake. Comment
  UCD104449  Clarkia concinna subsp. concinna L. P. Thibault 1995-5-19 39 Napa Along Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD104543  Clarkia gracilis M. Ensign 1943-5-28 320 Napa 14 miles from Monticello on road to Lower Lake. Comment
  CAS-BOT-BC164628  Clarkia gracilis subsp. gracilis Peter H. Raven 1951-5-20 2842 Napa Hills w. Oakville 121 Comment
  CAS-BOT-BC164629  Clarkia gracilis subsp. gracilis Peter H. Raven 1952-5-26 4041 Napa St. Helena to Howell Mt. 304 Comment
  CHSC83403  Clarkia gracilis subsp. gracilis L. P. Janeway; B. Castro 2002-5-12 7537 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  UC130884  Clarkia gracilis subsp. gracilis Katharine Brandegee 1909-6-1 Napa Type locality Pope Valley Grade Comment
  UC562521  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1933-6-2 12490 Napa 5 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  RSA209533  Clarkia gracilis subsp. gracilis Betty H. Johnson 1958-6-15 624 Napa 6.4 miles SW of Middletown Comment
  POM38631  Clarkia gracilis subsp. sonomensis Katherine Brandegee 1910-5-22 120 Napa Mountain slopes from Calistoga, to the Toll House Comment
  UC422847  Clarkia gracilis subsp. sonomensis H. P. Chandler 1907-5-26 7587 Napa White Sulphur Spring St. Helena Comment
  RSA0060036  Clarkia gracilis subsp. tracyi Barbara Ertter, Annetta Carter 1989-5-28 8517 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  JEPS110734  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1990-6-23 2598 Napa White Creek, Wild Horse Valley Ranch 402 Comment
  UC142974  Clarkia purpurea subsp. quadrivulnera Katharine Brandegee July 1910 Napa near Angwin Comment
  JEPS43716  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1894-7-19 Napa near Schoolhouse; Mt. St. Helena Comment
  UCD104908  Clarkia purpurea subsp. quadrivulnera Beecher Crampton 1950-5-7 566 Napa SE of St. Helena, along the Silverado Trail. Comment
  UCD18489  Clarkia unguiculata P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  JEPS112617  Claytonia exigua subsp. exigua Jake Ruygt 1998-4-22 3932 Napa Tributary to Cement Creek. 228 Comment
  RSA195386  Claytonia exigua subsp. exigua Gilbert Muth 1967-4-9 602 Napa Aetna Spring Road. 305 Comment
  UC7940  Claytonia exigua subsp. exigua Willis L. Jepson 1893-4-29 Napa reservoir near St. Helena; Napa River Basin Comment
  CAS-BOT-BC439370  Claytonia gypsophiloides Marjorie Swabey 1924-2-22 s.n. Napa Toll house road, Mt St Helena on Calistoga side Comment
  JEPS43271  Claytonia gypsophiloides W. L. Jepson 1897-5-2 Napa near Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  JEPS43324  Claytonia gypsophiloides W. L. Jepson 1910-3-28 4020 Napa sw of Calistoga (Rebecca Ranch grade) 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
  CAS-BOT-BC233834  Claytonia parviflora subsp. parviflora John Thomas Howell 1931-4-3 6132 Napa Pope Creek Canyon 8 miles from Monticello Comment
  UCD18014  Claytonia parviflora subsp. parviflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 559 Napa Napa County. McLaughlin Reserve. South side of Knoxville-Berryessa Rd., just north of Hunting Creek, SE of Research Hill, by turnout and gate. Joe Callizo calls this area 'Cloaca of Morgan Valley. 609 Comment
  UCD15055  Claytonia perfoliata Craig Homan 1977-4-8 5 Napa California, Napa Co.; along Highway 128, 17 miles southwest of Winters; Comment
  UC650403  Claytonia perfoliata subsp. perfoliata Ira L. Wiggins 1928-3-27 2870 Napa 1.5 mi ne Calistoga Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  UCD95591  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11.5 miles from Winters on road to Monticello. Comment
  JEPS7343  Collinsia heterophylla W. L. Jepson 1938-5-18 18795 Napa above St. Helena Sanitarium; Howell Mt. Comment
  UC885517  Collinsia heterophylla M. S. Jussel 1937-5-23 Napa Mount St. Helena Comment
  UCD123578  Collinsia heterophylla M. Ensign 1943-5-28 306 Napa 10 miles north of Monticello on road to Lower Lake. Comment
  UCD14916  Collinsia heterophylla Helen West 1977-4-29 4 Napa East Bull Canyon, 6.3 miles southwest of Monticello Dam off of Road 128; 182 Comment
  SEINET13406371  Collinsia sparsiflora M. J. Williams 1967-5-7 s.n. Napa Pope Valley. 198 Comment
  UCD14918  Collinsia sparsiflora Gail Matson 1977-4-16 22 Napa along Highway 128, 6.4 miles south-west of Monticello Dam; 213 Comment
  CDA11336  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena; Franz Valley School Rd. approx 1 m E of Napa/Sonoma County line. Comment
  CDA11625  Collinsia sparsiflora var. arvensis G. F. Hrusa, S. Larson 1995-4-1 12064 Napa North Coast Biodiversity Arena; Chiles Valley/Pope Valley Rd. approx 2 m. S of Pope Canyon Rd. intersection. Comment
  JEPS112522  Collinsia sparsiflora var. arvensis Jake Ruygt 1996-3-23 3530 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  UCR17489  Collinsia sparsiflora var. arvensis E. Turula 1975-3-29 78 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  RSA505375  Collinsia sparsiflora var. arvensis R. C. Bacigalupi, Jon Dawson 1955-4-25 4844 Napa Along Conn Creek road, about 0.75 mile below (w. of) Lake Hennessey Dam. 79 Comment
  JEPS112529  Collinsia sparsiflora var. collina Jake Ruygt 1982-5-16 1268 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 420 Comment
  UCD170150  Collinsia sparsiflora var. sparsiflora Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 736 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 Comment
  UCD49281  Collinsia sparsiflora var. sparsiflora A. Van Houtte; E. Leger and C. Hohn 2001-4-14 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UC885506  Collinsia sparsiflora var. sparsiflora Lewis S. Rose 1939-4-16 39072 Napa 10 mi ne of Napa (Wooden Valley); Wooden Valley Comment
  JEPS112526  Collinsia tinctoria Jake Ruygt 1978-5-14 312 Napa .6 mile north of Oakville Cross Rd. on Silverado Trail 121 Comment
  JEPS112527  Collinsia tinctoria Jake Ruygt 1978-5-21 325 Napa 2.2 miles north of Chiles-Pope Valley Rd on Sage Canyon Rd. 134 Comment
  JEPS26345  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); North Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC229530  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  HSC81609  Collomia diversifolia Thomas W. Nelson, Jane P. Nelson 1980-5-3 5145 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS101660  Collomia diversifolia Dean W. Taylor 1998-5-20 16448 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  JEPS110958  Collomia diversifolia Jake Ruygt 1983-4-17 1432 Napa Red Hill, Mt. St. Helena 655 Comment
  UCD160748  Collomia diversifolia Ellen Dean 2015-5-23 8800 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
  JEPS120431  Collomia diversifolia Jake Ruygt 2010-5-15 5554 Napa Snell Valley / Missimer Preserve, Butts Creek. Comment
  UC908736  Collomia heterophylla Herbert L. Mason 1926-3-21 2782 Napa near summit of road Mt. St. Helena Comment
  UC908766  Collomia heterophylla P. B. Kennedy 1929-5-23 Napa Moore Creek Howell Mountain Comment
  JEPS106937  Conyza canadensis Jake Ruygt 1992-8-31 3134 Napa west side of Leoma Lakes, Wild Horse Valley Ranch 405 Comment
  UC1536741  Conyza canadensis G. H. True Jr. 1937-10-12 840 Napa roadside near Lokoya Lodge 304 Comment
  UCD123104  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  UC762582  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1941-8-24 5570 Napa east side Mt. St. Helena Comment
  JEPS55931  Cordylanthus pilosus subsp. pilosus T. I. Chuang and Fei-Mei Chuang 1968-7-24 6477 Napa 1 mi nw of St. Helena Comment
  JEPS55935  Cordylanthus pilosus subsp. pilosus T. I. Chuang and F. M. Chuang 1968-7-24 6481 Napa 10.7 mi n Calistoga (on county line) Comment
  JEPS62598  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 B Napa just s Napa and Lake County line (on US Hwy 29) Comment
  JEPS112549  Cordylanthus tenuis subsp. brunneus Jake Ruygt 1986-6-1 1802 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  UC761839  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa e side Mt. St. Helena Comment
  RSA397705  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon. Comment
  UCD164795  Cornus glabrata Jeff Page 2016-6-13 s.n. Napa Trubody Ranch, 5444 Trubody Lane. 21 Comment
  UC796621  Cornus nuttallii Ira L. Wiggins 1949-4-30 12090 Napa along draw on n.e. flank of Mt. St. Helena 914 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
  CAS-BOT-BC180346  Corylus cornuta subsp. californica Peter H. Raven 1952-5-26 4047 Napa Howelll Mt. 426 Comment
  JEPS126115  Corylus cornuta subsp. californica Jake Ruygt 1987-5-16 1992 b Napa Bismark Knob. Sonoma 7.5' Qua. Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  JEPS106939  Cotula australis Jake Ruygt 1994-3-14 3412 Napa Trancas Avenue east of Big Ranch Road 13 Comment
  UC1300834  Crassula connata var. subsimplex Helen K. Sharsmith 1963-3-17 5217 Napa s. side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD116514  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD73849  Crocanthemum scoparium Ellen Dean; S. Rae 2008-5-21 4984 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 274 Comment
  JEPS120403  Crocanthemum scoparium var. vulgare Jake Ruygt 2004-5-8 4600 Napa near Lone Pine Thicket, off Devilhead Comment
  CHSC102518  Croton setiger Lowell Ahart 2009-10-12 16438 Napa Below the high water line on Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD19325  Croton setiger M. A. Bibbo; E. Dean 2001-7-6 17 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  HSC97186  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 mi. east of Rutherford, Conn Reservoir 91 Comment
  SEINET1910014  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-1 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  UCR146405  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  SBBG117229  Cryptantha clevelandii B. Crampton 1954-5-20 1929 Napa 8 mi SW of Monticello, along Hwy 128 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
  JEPS106739  Cryptantha hispidula Jake Ruygt 1981-5-21 1043 Napa 1.0 miles north of Butts Canyon Rd. on Snell Valley Rd. 213 Comment
  UC1221769  Cryptantha hispidula Beecher Crampton 1958-4-29 4754 Napa above Capell Creek (n end of Capell Valley); Capell Valley Comment
  UCD160721  Cryptantha hispidula Ellen Dean 2015-5-23 8773 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  UCD74364  Cryptantha hispidula Jake Ruygt 1991-5-25 2697 Napa Paradise Valley. 274 Comment
  UCD41409  Cryptantha intermedia Ellen Dean; T. and M. Starbuck 2004-4-3 2001 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn-off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  CDA1806  Cupressus macnabiana D. G. Kelch, D. A. Weinstein 1995-4-1 s.n. Napa Along Knoxville-Berryessa Rd nr large mine. Comment
  UCR23367  Cupressus macnabiana John C. Roos 1938-11-19 323 Napa North Coast Range, Pope Valley, Aetna Springs 305 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-BC85480  Cupressus sargentii John Thomas Howell 1926-3-21 1714 Napa St. Helena Creek below Patten's near Napa-Lake county boundary 609 Comment
  CAS-BOT-BC85482  Cupressus sargentii John Thomas Howell 1965-5-27 41324 Napa Along creek in Butts Canyon Comment
  CHSC22657  Cupressus sargentii Robert A. Schlising; Glenn Keator 1962-1-25 2026 Napa Mt. Saint Helena, NW Corner of Napa County. Comment
  RSA352388  Cupressus sargentii P. H. Raven 1965-5-16 20209 Napa Cedar Valley, vicinity of Knoxville 610 Comment
  SDSU1745  Cupressus sargentii D. F. Howe 1965-8-3 4105 Napa Just south of napa-Lake Co. line on state #29. 46 Comment
  UC972130  Cupressus sargentii Helen K. Sharsmith 1952-5-18 4083 Napa near Napa-Lake County boundary; Inner North Coast Ranges, Butts Canyon 213 Comment
  UCD133650  Cupressus sargentii Edward L. Smith 1967-5-7 s.n. Napa Butts Creek, below small reservoir at upper (northwest) end of canyon where road from Pope Valley enters, Butts Canyon, 6.9 miles northwest of Pope Valley. 213 Comment
  RSA996  Cupressus sargentii J. T. Howell 1927-8-24 691 Napa Butts Valley, Napa Range Comment
  JEPS120413  Cuscuta Jake Ruygt 2010-6-19 5608 Napa Berryessa-Knoxville Rd. north of Knoxvile site, at vernal pool. Comment
  UCD167093  Cuscuta brachycalyx Jake Ruygt 2015-7-4 6146 Napa Missimer -Snell Valley Preserve. 180 Comment
  CAS-BOT-BC224539  Cuscuta californica Peter H. Raven 1952-6-28 4205 Napa Conn Valley 152 Comment
  UCD18110  Cuscuta californica K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 47 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UCD170466  Cuscuta indecora var. indecora Daniel Potter; Ninh Khuu 2016-6-18 895 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 448 Comment
  JEPS126095  Cuscuta pacifica var. pacifica Jake Ruygt 1981-7-20 1067 Napa Fagan's Marsh. Cuttings Wharf 7.5' Qua. Comment
  JEPS39364  Cynoglossum grande Mary Pond 1915-4-18 Napa St. Helena Comment
  UCD19312  Cynosurus echinatus M. A. Bibbo; E. Dean 2001-7-6 4 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  RSA757290  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 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
  UCR263782  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa North Coast Ranges, Lake Hennesy c. 15 air miles north-northwest of Napa, on Conn Creek, east of boat-launching ramp on southeast edge. 91 Comment
  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
  CAS-BOT-BC113822  Cyperus niger var. capitatus Peter H. Raven 1952-8-28 5163 Napa Road just above Napa Soda Springs (Soda Canyon Road) 243 Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  SEINET893038  Cytisus canariensis David Lawfer 1952-1 154 Napa Napa. Comment
  UCR30537  Danthonia californica John C. Roos 1939-5-13 272 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  UC19645  Datisca glomerata W. H. Brewer 1862-8-6 1320 Napa Rag Canyon, Camp 84 Rag Canyon; , Camp 84 Comment
  CDA10903  Daucus pusillus G. F. Hrusa, M. Rejmanek 1993-5-15 10999 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD48432  Daucus pusillus K. Mogel; B. Pekin and M. Higley 2002-5-4 7 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft along the lower road that leads to the power lines; side of road. 310 Comment
  CAS-BOT-BC10198  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mtn., 10 miles west of St. Helena Comment
  LA207477  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Fairfield road, 1 mi. S of junction with Napa Road Comment
  RSA149662  Delphinium hesperium Harlan Lewis, G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S of road to St. Helena 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
  UC467768  Delphinium hesperium subsp. hesperium H. P. Chandler 1907-5-26 7590 Napa White Sulphur Spring St. Helena Comment
  JEPS110987  Delphinium hesperium subsp. pallescens Jake Ruygt 1992-5-2 2924 b Napa Snell Valley 195 Comment
  UC1196312  Delphinium hesperium subsp. pallescens Joseph P. Tracy 1899-6-19 352 Napa on hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  LA207503  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-9-5 sn Napa Putah Creek Canyon, 14.7 mi. W of Winters Comment
  UC906503  Delphinium hesperium subsp. pallescens J. Ewan 1934-4-30 8835 Napa 0.5 mi from jct Steel Canyon Rd and Monticello-Wingers Rd (along Steel Canyon Rd); ; Napa Co. Comment
  CAS-BOT-BC9808  Delphinium nudicaule L. R. Abrams 1928-5-3 12242 Napa Summit St. Helena Grade Comment
  RSA787108  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -b Napa Napa range, along Napa-Monticello road. Comment
  SEINET7075475  Delphinium nudicaule A. G. Vestal 1955-4-6 s.n. Napa Steep rocky bank south of Pope Valley in Canyon on Howell Mountain Road. 38? deg. 36' 21" North Latitude, -122? deg. 26' 02" West Longitude. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  RSA10682  Delphinium patens Carl B. Wolf 1928-5-3 1805 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA51297  Delphinium patens Peter H. Raven 1950-4-15 1749 Napa Wooden Valley grade above Napa. 457 Comment
  CAS-BOT-BC116485  Delphinium patens subsp. patens E. Ruckert 1960-4-17 57 -408 Napa Meadow 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC116493  Delphinium patens subsp. patens C. B. Wolf 1928-5-3 1834 Napa base of Mt. St. Helena Comment
  JEPS100274  Delphinium uliginosum Dean W. Taylor 2001-5-15 17648 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS96762  Delphinium uliginosum Dean W. Taylor 1998-6-18 16672 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  RSA400120  Delphinium uliginosum Robert Gustafson, Don Reynolds 1983-6-7 2735 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  RSA59956  Delphinium uliginosum Joseph A. Ewan 1937-5-23 10360 Napa Lower Lake to Monticello Road, 1.9 miles S of Lake Co. Comment
  SEINET12093076  Delphinium uliginosum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -326 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC7913  Delphinium variegatum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  UC906477  Delphinium variegatum J. Ewan 1934-4-30 8855 Napa grassy slope Pope Valley (e end of valley) Comment
  CAS-BOT-BC7907  Delphinium variegatum Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Road, near Napa Comment
  CAS-BOT-BC7909  Delphinium variegatum subsp. variegatum John Thomas Howell 1931-4-2 6102 Napa 4 miles from Monticello on Wooden Valley Road Comment
  POM182731  Delphinium variegatum subsp. variegatum D. D. Keck 1931-4-2 1054 Napa 4 miles S of Monticello, eastern Napa County. Comment
  RSA0110255  Delphinium variegatum subsp. variegatum E. K. Balls 1952-5-8 17117 Napa 4 miles N along Hwy 29 from jct of Hwy 28 and 29 at Woodleaf. Comment
  CAS-BOT-BC658  Dendromecon rigida subsp. rigida L. R. Abrams 1928-5-4 12274 Napa Mt. St. Helena trail. Comment
  POM242806  Dendromecon rigida subsp. rigida Lyman Benson 1929-9-30 1930 Napa Mt. St. Helena 610 Comment
  JEPS122993  Deschampsia cespitosa subsp. beringensis Jake Ruygt 1992-6-22 3051 Napa SW of Mitten Lake, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UC1158115  Deschampsia danthonioides Joseph P. Tracy 1950-5-23 18672 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Northern Coast Ranges, La Jota Plateau, Howell Mt., Moore's 518 Comment
  UC187273  Deschampsia danthonioides Joseph P. Tracy 1902-5-21 1605 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 335 Comment
  UC766810  Deschampsia danthonioides R. F. Hoover 1941-4-26 4922 Napa Pope Valley Comment
  UCD148245  Deschampsia danthonioides Robert E. Preston 2013-4-6 2906 Napa Calistoga, on N side of old landing strip, at east end. 104 Comment
  UCD41329  Deschampsia danthonioides Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 4 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  UCD62541  Deschampsia danthonioides M. Wiesendanger 1927-5-4 669 Napa Near Monticello. Comment
  UCD63727  Deschampsia elongata E. Wilson 1934-8-1 Napa Mt. St. Helena. Comment
  JEPS64147  Dichelostemma capitatum W. L. Jepson 1938-5-18 18799 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  JEPS110908  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1982-2-24 1107 Napa Calistoga Grade, Mt. St. Helena 350 Comment
  SEINET5725241 Image available Dichelostemma capitatum subsp. capitatum Jill Bockus 1974-1 2 Napa Wallace Hardin Ranch, 3 miles northeast of Pope Valley, 3.9 miles northeast of south end of Pope Canyon Road and Chilies Road Intersection; Pope Valley 183 Comment
  UCD148738  Dichelostemma congestum Jake Ruygt 2005-6-7 4908 c Napa Napa County; ridge top west of Circle Oaks. 588 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
  CAS-BOT-BC153781  Diplacus angustatus J. P. Tracy 1902-5-18 1536 Napa La Jota Plateau, Howell Mountain; Head of Moore's Creek 3-4 miles East of Angwin's 518 Comment
  CAS-BOT-BC150366  Diplacus aurantiacus L. R. Abrams 1916-7-12 5769 Napa Near St. Helena Sanitarium Comment
  SEINET13693732  Diplacus aurantiacus R. R. Halse 1989-5-13 3833 Napa Along State Hwy 29 on the Calistoga Grade, ca 2.5 miles N of Calistoga. 240 Comment
  UC3565  Disporum hookeri Willis L. Jepson 1894-5-1 Napa Napa River Basin, Rebecca Ranch Grade Napa River Basin; , Rebecca Ranch Grade Comment
  JEPS115761  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 miles (air) west of Winters 152 Comment
  HSC17857  Dodecatheon hendersonii Greg Bos 1963-3-30 53 Napa 2.5 mi. up the Old Toll Rd. out of Calistoga. E slope 305 Comment
  POM78451  Dodecatheon hendersonii C. F. Baker 1903-4-20 2616 Napa Mt. St. Helena. Comment
  UC1178842  Dodecatheon hendersonii Herbert L. Mason 1926-3-14 2717 Napa sw slope Mt. St. Helena Comment
  UCD14887  Dodecatheon hendersonii Chris Chan 1991-3-28 2 Napa California, Napa Co.; at Lake Berryessa, just west of Monticello Dam, along Highway 128; 203 Comment
  UCD15063  Dodecatheon hendersonii Julie Knorr 1977-4-16 6 Napa California, Napa Co.; along Highway 128, 6.4 miles west of Monticello Dam; Comment
  UCD147463  Downingia Ellen Dean; Diana Hickson 2014-4-29 8076 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  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
  UC1189260  Downingia concolor var. concolor Joseph T. Gregory 1933-6-2 224 Napa Howell Mt. top Howell Mt. Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  UCD160761  Downingia cuspidata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8631 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  SEINET10805792 Image available Downingia cuspidata Edward L. Greene 1895-5-11 Greene 1895 Napa Napa Valley Comment
  JEPS82341  Downingia pusilla Robert F. Holland 1983-5-21 1233 Napa 3.5 mi s Route 121 (about 2200 ft w of Routes 12 and 29, e of the Napa River at Horseshoe Bend); Horseshoe Bend 3 Comment
  UCD170196  Draba verna Daniel Potter 2015-3-14 761 Napa Knoxville Wildlife Area, near small creek southwest of Zim Zim Creek. 303 Comment
  JEPS110553  Drymocallis glandulosa var. glandulosa Jake Ruygt 1995-4-24 3446 Napa Mt. Veeder Road south of Lakoya Road, (Franciscan Estate) 304 Comment
  UC1543126  Drymocallis glandulosa var. wrangelliana Charlotte G. Nast 1936-3-27 74 Napa Childs Canyon Comment
  CHSC31985  Dryopteris arguta L. Ahart 1976-3-7 1020 Napa Above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  CAS-BOT-BC70950  Dryopteris arguta Ira L. Wiggins 1957-6-18 14121 Napa Just north of Calistoga Comment
  CDA11616  Dryopteris arguta G. F. Hrusa, G. L. Stebbins 1994-3-11 11614 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station. Comment
  SFV5088  Dryopteris arguta B. C. Templeton 1957-6-26 s. n. Napa Calistoga. Near Hill and Connors Ranches. Comment
  HSC65075  Dudleya cymosa J. P. Smith, J. O. Sawyer 1970-5-17 3775 Napa 3 mi. S of Pope Valley Comment
  CAS-BOT-BC428155  Dudleya cymosa subsp. cymosa John Thomas Howell 1929-5-30 4281 Napa Sage Canon [Canyon], Napa Range Comment
  UC1562616  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
Read comments
Jul 2 2011
  UC1562883  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  JEPS121339  Eleocharis acicularis var. bella Jake Ruygt 1991-6-29 2747 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  CAS-BOT-BC112661  Eleocharis parvula Peter H. Raven 1953-10-4 6367 Napa Tidal wash, Duttons Landing. 0 Comment
  JEPS121344  Eleocharis radicans Jake Ruygt 1992-7-4 3066 Napa Wild Horse Valley Ranch, Johnson's Meadow. Comment
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  CDA10876  Elymus glaucus G. F. Hrusa, M. Rejmanek 1993-5-15 10971 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC203597  Elymus glaucus subsp. glaucus Betty H. Johnson 1958-6-20 654 Napa Near Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  JEPS76083  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-22 18811 Napa Limekiln Creek Canyon Pope Valley Comment
  SEINET192619  Elymus glaucus subsp. glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi N of Calistoga Mt St Helen grade Comment
  JEPS122978  Elymus multisetus Jake Ruygt 1982-6-13 1315 Napa Cedar Roughs. Quad: Chiles Valley. Comment
  UC1153914  Elymus trachycaulus Beecher Crampton 1957-6-4 4106 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD41467  Epilobium brachycarpum Ellen Dean; Deborah Canington 2003-3-1 1364 Napa Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road. In uplands, north side of stream near fallen decaying tree. 182 Comment
  CAS-BOT-BC166344  Epilobium canum subsp. canum Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UC1299425  Epilobium canum subsp. canum Freed W. Hoffman 1946-8-20 850 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  RSA37535  Epilobium foliosum Milo S. Baker 1942-5-27 10204 Napa Summit of Spring Mt. Road, along road turning north, near boundary of Sonoma and Napa Counties 619 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
  UCD106515  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena. Alongside Highway 128. 200 Comment
  UCD167253  Epilobium minutum Jake Ruygt 1983-4-17 1433 Napa Red Hill, Mt. St. Helena. 655 Comment
  UCD138947  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach. Comment
  CAS-BOT-BC57894  Equisetum X ferrissii Peter H. Raven 1951-10-28 3922 Napa Yountville. 60 Comment
  JEPS103984  Equisetum hyemale subsp. affine Jake Ruygt 1979-4-11 498 Napa .1 mile south of Redwood Road on Solano Avenue,Napa 22 Comment
  JEPS103965  Equisetum telmateia Jake Ruygt 1993-3-7 3169 Napa end of Conn Valley Rd. (county road) 97 Comment
  JEPS122688  Erigeron foliosus var. foliosus Jake Ruygt 1981-7-23 1082 Napa West of Berryessa Peak. Quad: Brooks. Comment
  CAS-BOT-BC295129  Erigeron greenei John Thomas Howell 1933-8-27 11625 Napa Sage Canyon, Napa Range Comment
  POM52140  Erigeron inornatus var. biolettii H. M. Hall 1909-6-25 8518 Napa Guernewood Park Comment
Read comments
Jul 24 2013
  CAS-BOT-BC295730  Erigeron petrophilus var. petrophilus Peter H. Raven 1951-6-10 s.n. Napa Crater Region, e. of Palisades 762 Comment
  UCD161327  Erigeron philadelphicus Jake Ruygt 1980-5-4 871 Napa Bear Valley. (Coordinates estimated by label maker at UC Davis). 621 Comment
  UCD164757  Erigeron philadelphicus var. philadelphicus Jake Ruygt 2014-5-24 5957 Napa Pope Creek, Pope Canyon. 148 Comment
  CAS-BOT-BC216031  Eriodictyon californicum M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS110830  Eriodictyon californicum Jake Ruygt 1976-4-25 27 Napa .9 mile west of Berryessa-Knoxville Rd. on Pope Canyon Rd. 219 Comment
  UCD170666  Eriodictyon californicum 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  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
  UCD49085  Eriodictyon californicum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 6 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd., up a slope on the NE side of the road. 237 Comment
  UCR220101  Eriodictyon californicum 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
  CAS-BOT-BC242608  Eriogonum dasyanthemum Peter H. Raven 1951-6-26 3080 Napa Cappell [Capell] Valley 365 Comment
  JEPS110773  Eriogonum dasyanthemum Jake Ruygt 1997-6-28 3869 Napa White Cliff Springs, east of Soda Valley 353 Comment
  SBBG28195  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa upper part of Sage Valley, near Chiles School, Napa Mtns Comment
  UCD99888  Eriogonum dasyanthemum D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  CAS-BOT-BC266053  Eriogonum luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266060  Eriogonum luteolum John Thomas Howell 1933-8-27 11653 Napa Chiles Valley, Napa Range Comment
  SEINET3405144 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  UC1245379  Eriogonum luteolum var. luteolum Joseph P. Tracy 1950-5-23 18683 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  UCD164746  Eriogonum luteolum var. luteolum Jake Ruygt 2014-6-7 5971 Napa Livermore Ranch, Montesol. 664 Comment
  UCD48085  Eriogonum luteolum var. luteolum Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 35 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1 st ridge south of Devilhead Rd. 518 Comment
  JEPS56172  Eriogonum luteolum var. luteolum W. L. Jepson 1894-7-19 Napa on Toll Road near school-house; Mt. St. Helena Comment
  CAS-BOT-BC268979  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  UCR43200  Eriogonum nudum var. nudum L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  RSA393327  Eriogonum nudum var. nudum E. S. Spalding 1924-7-5 s.n. Napa Near St. Helena Comment
  UCD164790  Eriogonum nudum var. nudum Jake Ruygt 2007-7-22 5249 Napa Conn Valley Road near Rossi Road. 115 Comment
  UCD164791  Eriogonum nudum var. nudum Jake Ruygt 2004-9-4 4662 Napa Berryessa-Knoxville Rd at Zim-Zim Creek. 225 Comment
  JEPS56192  Eriogonum umbellatum var. bahiiforme Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena, Van Ness Ranch Comment
  SBBG28227  Eriogonum vimineum S. G. Stokes 1933-8-27 60 Napa Sage Cyn, Napa Mtns Comment
  SBBG118106  Eriophyllum lanatum C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, ca. 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  CAS-BOT-BC301058  Eriophyllum lanatum var. achilleoides John Thomas Howell 1929-5-30 4272 Napa On Pope Valley Creek near Samuels Springs, Napa Range Comment
  CAS-BOT-BC301059  Eriophyllum lanatum var. achilleoides Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS34729  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-5-22 18827 Napa Snell Vslley Comment
  JEPS34725  Eriophyllum latilobum W. L. Jepson 1936-5-29 17554 Napa Adam-and-Eve Ridge Howell Mt., Adam-and-Eve Ridge Comment
  JEPS104555  Eryngium aristulatum Jake Ruygt 1982-6-21 1333 Napa Suscol Hill (south of Rocktram) 4 Comment
  JEPS17436  Eryngium aristulatum var. aristulatum Willis L. Jepson 1903-9-7 2352 Napa above St. Helena Reservoir; Napa River Basin Comment
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  JEPS129130  Eryngium castrense Jake Ruygt 2015-5-23 6108 a Napa West of Buck Mountain. Knoxville 7.5' Quad. Comment
  JEPS2584 Image available Eryngium petiolatum W. L. Jepson 1893-9-25 14279 Napa Yountville Napa River Basin; Yountville, Napa River Basin Comment
  JEPS122697  Eryngium vaseyi Jake Ruygt 1987-5-27 2017 Napa D. F. G. property near Buchli Station. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC54302  Erysimum capitatum John Thomas Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  UCSC009038  Erythranthe guttata Dylan M. Neubauer 2015-4-26 140 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS113963  Erythronium helenae Jake Ruygt 1976-4-15 10 Napa 3.1 miles west of Butts Canyon Road on Aetna Springs Road. Aetna Springs 7.5' Quad. Comment
  JEPS120345  Erythronium helenae Jake Ruygt 2003-3-22 4480 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS129023  Erythronium helenae Jake Ruygt 2016-3-15 6162 Napa Missimer-Fernandes; E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  RSA195285  Erythronium helenae Gilbert Muth 1967-4-9 601 Napa Aetna Spring Road. 305 Comment
  UC672118  Erythronium helenae Herbert L. Mason 1926-3-14 2734 Napa e side of mountain Mount S. Helena, Toll House Canyon Comment
  SEINET10528927  Erythronium pluriflorum James R. Shevock, Jim A. Bartel 1988-7-2 Shevock 11844 Napa Common along the north and northeast slope of Shuteye Peak on granitic rocky slopes, subalpine coniferous forest, T7S R23E, sect 2N 1/2. Chiquito Ridge, San Joaquim River drainage, Sierra National Forest. Associated with Saxifraga bryophora, Lomatatium torreyi and Sorbus californica. 8250 feet. Comment
  CAS-BOT-BC402792  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 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-BC402801  Eschscholzia caespitosa Peter H. Raven 1951-5-20 2849 Napa Hills w. Oakville 365 Comment
  UCD101720  Eschscholzia caespitosa Shannon M. Still 2009-4-3 418 Napa California. Napa County: Along CA-128 at mile marker 29.26. 265 Comment
  SEINET10536530 Image available Eschscholzia caespitosa Charles F. Baker 1903-4-20 Baker 2614 Napa Mount St. Helena. Comment
  UC796476  Eschscholzia caespitosa Ira L. Wiggins 1949-4-30 12078 Napa about 2.5 mi from Calistoga (ridge along old road between Calistoga and) Comment
  CAS-BOT-BC403334  Eschscholzia californica E. Ruckert 1960-4-9 77 Napa 6495 Dry Creek Road, at edge of private road to property 365 Comment
  RSA15683  Eschscholzia californica var. crocea Carl B. Wolf 1928-2-25 1485 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS51926  Euphorbia crenulata W. L. Jepson 1938-5-22 18833 Napa Butts Canyon; South Fork Comment
  UCD20022  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1216 Napa On S side of Lake Hennessy. 1 mile west of junction of Route 128 and Pope Valley Road. 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
  UCD39035  Euphorbia spathulata Beecher Crampton 1962-5-16 6435 Napa About 2 miles S of Aetna Springs, along road to Pope Valley. Comment
  RSA10686  Euphorbia spathulata C. B. Wolf 1928-5-3 1801 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD142488  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1218 Napa Along State Highway 128; 5.6 miles north of its junction with State Highway 37. Comment
  CAS-BOT-BC312174  Eurybia radulina Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UC766903  Festuca californica R. F. Hoover 1941-4-26 4926 Napa canyon n Pope Valley (on road to Butts Canyon) Comment
  UCD36169  Festuca californica Beecher Crampton 1952-3-24 1030 Napa 7.5 miles east of Rutherford, along Highway 128. Comment
  UCD36939  Festuca californica Beecher Crampton 1956-5-25 3459 Napa Vaca Mountains, head of Markley Canyon. 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
  UCR43100  Festuca californica L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  UCD65909  Festuca californica subsp. californica W. E. Wood 1928-4-15 Napa Along road from St. Helena to Pacific Union College. Comment
  UCD65916  Festuca elmeri Beecher Crampton 1954-5-6 1834 Napa Hwy. 37 between Capell and Wooden Valley. Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  UCSB40902  Festuca microstachys Roos, John 1939-4-18 Napa 3.5 mi N. of Pacific Union College; Angwin; roadside below Dilly's place Comment
  SEINET200830 Image available Festuca rubra J. P. Tracy 1902-5-19 1549 Napa Head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn 518 Comment
  JEPS106960  Filago pyramidata var. pyramidata Jake Ruygt 1983-6-12 1489 Napa Mt. St. Helena 743 Comment
  JEPS44868  Fragaria vesca Willis L. Jepson 1893-5-1 13872 Napa Calistoga Napa River Basin (on Knights Valley grade) Comment
  CAS-BOT-BC454534  Fragaria vesca subsp. californica L. R. Abrams 1928-5-3 12238 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC53527  Frangula californica subsp. tomentella H. E. McMinn 1922-7-1 295 Napa Pope Canyon 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
  UC1123368  Fraxinus dipetala A. Lewis 1932-5-16 80 Napa Weldon Canyon Napa Quad. 701 Comment
  UCD122027  Fraxinus dipetala Robert C. Bechtel 1952-4-20 69 Napa Samuel Springs, 7 miles northwest of Monticello. 91 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
  SBBG26893  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa 4 mi N of Knoxville Mines Comment
  UC615155  Fremontodendron californicum B. O. Schreiber 1936-9-20 2354 Napa 5 miles south of Reiff, Napa County 762 Comment
  UCD116270  Fremontodendron californicum Beecher Crampton 1970-4-15 8557 Napa North end of Capell Valley, State Hwy. 128. Comment
  SEINET5510213 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa North base of Mt. St. Helena, along State Highway 29 Comment
  CAS-BOT-BC130082  Fritillaria affinis Alice Eastwood 1922-3-25 11101 Napa Calistoga Comment
  POM224396  Fritillaria affinis Ethel Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  UC504870  Fritillaria affinis R. M. Holman 1933-4-12 Napa near Mount Veeder Comment
  CAS-BOT-BC130488  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa Palasades, Mayacama range, north of Calistoga Comment
  POM224397  Fritillaria recurva Ethel Crum 1936-3-15 1739 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  RSA195366  Fritillaria recurva Gilbert Muth 1967-4-9 599 Napa Aetna Springs Road Comment
  UC765859  Fritillaria recurva R. F. Hoover 1941-4-26 4939 Napa e side of Mount St. Helena Mount St. Helena Comment
  CAS-BOT-BC508185  Fritillaria recurva Mrs. Clara Hunt 1921-4-1 s.n. Napa St Helena Comment
  UCD110457  Galium Christopher Mallek 2008-1 KX2- 18 Napa Knoxville. 593 Comment
  RSA0054812  Galium Keith E. Hoffmaster 1946-3-9 1233 Napa Prob. Napa range. Comment
  HSC38152  Galium andrewsii Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2343 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UC28176  Galium aparine Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  CDA42134  Galium aparine T. C. Fuller 1958-5-1 3723 Napa 2.5 miles north of Calistoga. 0 Comment
  UCD160729  Galium bolanderi Ellen Dean 2015-5-23 8781 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
  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
  UC1196107  Galium californicum subsp. californicum Joseph P. Tracy 1899-6-26 426 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC1196116  Galium californicum subsp. californicum Joseph P. Tracy 1933-6-2 12456 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
  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
  UCD121829  Galium nuttallii Heidi E. M. Dobson 1978-5-28 332 Napa East slope of Mt. Veeder. Comment
  UCD148824  Galium porrigens Ellen Dean; Diana Hickson 2014-4-29 8129 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD38609  Galium porrigens Beecher Crampton 1956-5-25 3485 Napa Howell Mtns. Comment
  JEPS52755  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 B Napa n St. Helena (junction of road to Angwin and road to Sanitarium) Comment
  JEPS6609  Galium porrigens var. porrigens Clara A. Hunt 1909-4-29 Napa St. Helena Comment
  JEPS6612  Galium porrigens var. porrigens W. L. Jepson 1944-5-21 27523 Napa 4 mi e Rutherford Comment
  UC1562617  Galium porrigens var. tenue Barbara Ertter with Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Rd n; Lake Berryessa (9.0 mi s of Knoxville tunnel, base of e-facing slope at edge of stream) 243 Comment
  UC168592  Galium triflorum Joseph P. Tracy 1905-7-6 2215 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UCD168538  Gamochaeta ustulata Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CAS-BOT-BC199054  Garrya congdonii Baker 1938-5-1 9015 Napa Pope Creek ca. 7 miles from Monticello Comment
  CDA11161  Garrya congdonii G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11573 Napa North Coast Biodiversity Arena; 2 m. NW of Aetna Springs along Schwartz Ck. Rd. Comment
  UC402907  Garrya flavescens Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CDA38570  Garrya fremontii H. Stabo 1959-9-1 s.n. Napa E. St. Helena hills. 0 Comment
  UC71009  Gastridium ventricosum W. L. Jepson 1896-6-2 Napa St. Helena Comment
  UCD103357  Geranium dissectum David Lawfer 1952-5-4 157 Napa Napa. Comment
  UCD23412  Geranium molle Helen West 1977-4-16 1 Napa Purple flowers, 10 stamens (2 rows of 5), low lying plant. Collected in sunny meadow, surrounding vegetation was low, covering plants, soil parent material is shale. 6.3 miles southwest of Monticello Dam, off Hwy. 128, along road side. 182 Comment
  UCD49067  Geranium molle Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 B Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, E side of South Decker Canyon Rd., N of jct with Cut-Off Rd., along open grassy slope. 152 Comment
  UCD49069  Geranium molle L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 2 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of Cut-Off Rd. 152 Comment
  UCD49071  Geranium molle E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct. of West Rd. and South Decker Canyon Rd. 249 Comment
  RSA523893  Gilia capitata Barbara Ertter, Annetta Carter 1989-5-28 8512 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  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
  UC932031  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon ca 8 mi from Vichy Springs (on Monticello Road, e slope Mayacama Mountains); e slope Mayacama Mountains, ca 8 mi from Vichy Springs Comment
  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
  JEPS110973  Gilia clivorum Jake Ruygt 1983-4-2 1406 Napa east of Green Valley Rd. 432 Comment
  HSC45343  Gilia tricolor R. York 1978-4-8 115 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS110963  Gilia tricolor subsp. tricolor Jake Ruygt 1995-4-17 3425 Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 100 Comment
  CAS-BOT-BC266495  Githopsis diffusa Gladys Smith 1966-4-23 s.n. Napa Bothe Napa Valley State Park Comment
  UCD161366  Githopsis diffusa subsp. robusta Jake Ruygt 1989-4-22 2277 Napa Napa County : About 1/2 mile south of Monticello Dam on Vaca Mountains. (Coordinates estimated by label maker at UC Davis). 432 Comment
  SEINET7072768  Githopsis pulchella A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD38570  Githopsis specularioides Beecher Crampton 1956-5-25 3450 Napa Vaca Mtns., Markley Canyon. Comment
  SEINET10464564  Githopsis specularioides Ira L. Wiggins 1949-4-30 Wiggins 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles northeast of Calistoga Comment
  UC796478  Githopsis specularioides Ira L. Wiggins 1949-4-30 12075 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  UCSB9986  Githopsis specularioides Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  CDA34678  Glinus lotoides L. 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. Comment
  RSA769217  Glinus lotoides L. 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 air miles northwest of Winters 130 Comment
  JEPS110683  Gratiola ebracteata Jake Ruygt 1996-5-19 3714 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  UCD160703  Grindelia camporum Ellen Dean; Jake Ruygt 2015-5-23 8762 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek. 579 Comment
  UCD63179  Grindelia camporum Jake Ruygt 2004-6-12 4617 Napa 3/4 mile east of Blue Monday Mine. 365 Comment
  CAS-BOT-BC304888  Grindelia hirsutula Peter H. Raven 1951-9-9 3902 Napa Slaughterhouse Point, Napa River 0 Comment
  CAS-BOT-BC304889  Grindelia hirsutula John Thomas Howell 1932-10-8 10804 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304891  Grindelia hirsutula John Thomas Howell 1932-10-8 10806 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304902  Grindelia hirsutula John Thomas Howell 1932-10-8 10804 Napa Cuttings Wharf on Napa River Comment
  OBI21640  Grindelia hirsutula Tracey and Viola Call, Viola Call 1964-6-19 2264 Napa 3 mi N of Calistoga on small bare hill 305 Comment
  UC897090  Grindelia hirsutula Alice Eastwood 1915-6-5 4628 Napa Calistoga Comment
  UCD148103  Grindelia hirsutula Jake Ruygt 2977 Napa Yountville Ecological Reserve, Yountville Cross Rd. 28 Comment
  JEPS120380  Grindelia hirsutula Jake Ruygt 1981-5-13 1024 Napa American Canyon, south side of canyon Comment
  UC89171  Harmonia hallii C. F. Baker 1902-5-8 3079 Napa Knoxville Comment
  UCD170159  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 779 Napa Knoxville Wildlife Area, on road above and east of upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 522 Comment
  CAS-BOT-BC302228  Harmonia nutans R. Bacigalupi 1946-3-30 2775 Napa At Milliken Dam, on mesa west of reservoir, more or less 10 miles northeast of Napa Comment
  CAS-BOT-BC302229  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa Near Yountville Comment
  CAS-BOT-BC302237  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mountain, near summit, 6.5 mi. N.E. of St. Helena Comment
  JEPS13616  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. Comment
  JEPS40020  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. 792 Comment
  UC1731334  Harmonia nutans Dean W. Taylor 1998-6-3 16478 Napa Cedar Canyon North Coast Ranges (basin in headwaters, between Twin Peaks and Sugarloaf Mtn., at end of road up (w from) Aetna Springs, Detert Res. 7.5' USGS quadrangle) 670 Comment
  UCD170289  Helenium bigelovii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 829 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  UCD20722  Helenium bigelovii Mark Bibbo; w/ Laura Wynholds 2002-7-20 57 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UCD159467  Helenium puberulum D. S. Park 2010-8-13 221 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 219 Comment
  UCD48644  Helianthella californica S. Murphy; K. Keck and K. Dyer 2002-5-5 12 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 500m. 327 Comment
  JEPS33582  Helianthella californica subsp. californica W. L. Jepson 1938-5-24 18843 Napa plateau n Four Corners; Napa Range, Howell Mtn. 883 Comment
  RSA113743  Helianthemum scoparium var. vulgare Beecher Crampton 1956-5-25 3480 Napa Howell Mountains above Wooden Valley Comment
  CAS-BOT-BC305615  Helianthus californicus John Thomas Howell 1929-8-4 4358 Napa Flood bed of Pope Creek, one mile below Samuels Springs, Napa Range Comment
  JEPS121370  Hemicarpha micrantha var. minor Jake Ruygt 1986-8-3 1894 Napa Milliken Creek about .5 mile south of Foss Valley. Comment
  RSA81516  Hemizonia clevelandii James I. McMurphy 1909-8-7 696 Napa Calistoga. Comment
  UC1199374  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1939-10-14 16509 Napa Myrtledale Hot Springs Calistoga, Myrtledale Hot Springs 121 Comment
  UC88998  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-8-1 Napa Calistoga Comment
  CAS-BOT-BC306144  Hemizonia congesta subsp. clevelandii H. M. Hall 1924-10-4 12112 Napa Calistoga, (Myrtledale Spring) Comment
  JEPS106664  Hemizonia congesta subsp. lutescens Jake Ruygt 1996-9-7 3782 Napa Green Island Road about 1/2 mile from end of road. 2 Comment
  UC194237  Hemizonia congesta subsp. lutescens H. M. Hall 1916-8-6 10262 Napa 7 km s Napa Comment
  CAS-BOT-BC309836  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1932-9-17 10763 Napa 3 miles west of Napa Comment
  CAS-BOT-BC309842  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1952-8-26 5148 Napa Railway 3/4 mi. w. of Buchli Sta. 30 Comment
  UC1223090  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1950-8-12 19303 Napa Conn Valley Comment
  UCD161743  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1993-8-14 3286 Napa Lewelling Ranch, west of end Lewelling Lane. 79 Comment
  POM298254  Hemizonia luzulifolia subsp. rudis Joseph A. Ewan 1933-9-17 7999 Napa Vacant lot in Napa, Napa Valley Comment
  POM215136  Hemizonia pungens subsp. pungens D. D. Keck 1933-11-10 2725 Napa 6 miles S of Napa. Comment
  JEPS106732  Herniaria hirsuta subsp. cinerea Jake Ruygt 1989-6-17 2369 Napa Bear Valley 643 Comment
  JEPS33794  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1893-4-24 Napa hills e St. Helena (to Conn Valley) Comment
  UC164895  Hesperevax sparsiflora var. sparsiflora J. P. Tracy 1902-5-16 1511 Napa 3-4 mi e of Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  SJSU138  Hesperocyparis sargentii Emily D. Smith 1934-8-25 Napa near head of St. Helena Creek c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  JEPS112582  Hesperolinon Jake Ruygt 1995-6-26 3508 Napa about 2 miles south of L. Hennessey on private road (Taylor) 414 Comment
  CAS-BOT-BC167422  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  CAS-BOT-BC167423  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  JEPS122852  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 230 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS32275  Hesperolinon bicarpellatum W. L. Jepson 1938-6-8 18888 Napa slopes along the Snell Valley Road ne Pope Valley (drainage of Butts Creek) (northern Napa County) Comment
  UC1212346  Hesperolinon bicarpellatum Freed W. Hoffman 1947-6-17 1647 Napa Sage Canyon Comment
  UC1212356  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4109 Napa above creek Sage Creek (w side of valley); Chiles Valley 30 Comment
  UC1212371  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4076 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD110479  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4108 Napa Above Sage Creek 0.8 miles south of Chiles Valley. 304 Comment
  OBI57139  Hesperolinon breweri David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24510 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  UC1212446  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4111 Napa slopes of creek at its exit from Chiles Valley; Inner North Coast Ranges, Sage Creek 289 Comment
  UC1212447  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa above Sage Creek (w side of valley); Inner North Coast Ranges, Chiles Valley 304 Comment
  UC1212456  Hesperolinon californicum Helen K. Sharsmith 1952-6-20 4146 Napa near Pope Creek at its outlet from Pope Valley; Inner North Coast Ranges 152 Comment
  UC1212457  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4078 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UC1601241  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4617 Napa road from Rutherford to Monticello (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD169869  Hesperolinon californicum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 804 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 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
  UCD110499  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa Slopes of Sage Canyon, south side of Conn Dam. 76 Comment
  JEPS112648  Hesperolinon clevelandii Jake Ruygt 1989-7-1 2394 Napa Vaca Mtns., north of Mt. Vaca 755 Comment
  POM264935  Hesperolinon clevelandii J. C. Roos 1939-5-13 266 Napa Angwin, Howell Mt. 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
  RSA262583  Hesperolinon clevelandii Kathleen Barnes 1973-6-4 61 Napa McDonald Ranch, 1/2 mile up from house, Pope Valley Road. Comment
  UCD160769  Hesperolinon clevelandii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8639 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  CAS-BOT-BC176050  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  JEPS112586  Hesperolinon disjunctum Jake Ruygt 1988-5-29 2197 Napa Cedar Valley 603 Comment
  JEPS122828  Hesperolinon disjunctum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-19 279 Napa Knoxville Devilhead Road. Comment
  JEPS122857  Hesperolinon disjunctum Adam C. Schneider with Dick O'Donnell 2013-5-28 245 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Baryessa Knoxville Road. Comment
  UC1212499  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Pope Valley-Monticello road about one mi e spur road to Samuels Springs (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  UCD164756  Hesperolinon disjunctum Jake Ruygt 2014-5-24 5960 Napa Camp Berryessa, north of Pope Creek. 144 Comment
  SD51662  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa Directly east of Knoxville. 395 Comment
  CDA30785  Hesperolinon drymarioides V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS122778  Hesperolinon drymarioides Jake Ruygt 1993-6-5 3275 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  UC1601249  Hesperolinon micranthum Helen K. Sharsmith 1952-6-1 4116 Napa n slope above Soda Creek (ca 2 mi se of Chiles Valley); Inner North Coast Ranges 243 Comment
  UCR71475  Hesperolinon micranthum H. K. Sharsmith 1965-5-18 5517 Napa Inner North Coast Ranges, 2.2 mi. north of Wooden Valley Road junction with Napa-Lake Berryessa Hwy 37 213 Comment
  UC1212259  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4105 Napa s side Conn Dam (on slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 Comment
  UCD110537  Hesperolinon micranthum M. Ensign 1943-5-25 326 Napa 24 miles from Monticello on road to Lower Lake. Comment
  JEPS111339 Image available Hesperolinon sharsmithiae Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  JEPS122793  Hesperolinon sharsmithiae Jake Ruygt 2009-5-27 5424 Napa Mt. George, about 1/8 mile down road from homestead site. Tupper. QUAD: Mount George. 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
  JEPS100372  Hesperolinon spergulinum Dean W. Taylor 2001-5-15 17649 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS112652  Hesperolinon spergulinum Jake Ruygt 1983-6-12 1494 Napa Mt. St. Helena 624 Comment
  JEPS122802  Hesperolinon spergulinum Jake Ruygt 2000-6-10 4268 Napa Berryessa-Knoxville Road near Foley Creek. QUAD: Knoxville. Comment
  JEPS32290  Hesperolinon spergulinum W. L. Jepson 1893-6-26 14380 Napa Howell Mt. Comment
  OBI57147  Hesperolinon spergulinum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24505 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  SEINET10460655  Heterocodon rariflorum Tracy TRACY 2226 Napa HOWELL MTN. Comment
  CAS-BOT-BC143746  Heteromeles arbutifolia James L. Reveal 1987-6-7 6393 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road; about 5.5 miles west-northwest of Vacaville 182 Comment
  HSC47348  Heteromeles arbutifolia Richard Spjut 1978-12-4 5258 Napa Near Lake Barryessa along Hwy. 128 Comment
  JEPS106625  Heterotheca oregona var. rudis Jake Ruygt 1991-8-5 2822 Napa .5 mile north of Pope Creek on Berryessa Knoxville Rd. 152 Comment
  UCD63161  Heterotheca sessiliflora Jake Ruygt 1982-7-6 1362 Napa American Canyon east of Flosden Rd. 249 Comment
  JEPS53265  Hirschfeldia incana W. L. Jepson 1922-10-22 9831 Napa White Sulphur Creek bed St. Helena Comment
  POM26857  Hoita macrostachya Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  UC162813  Hoita orbicularis Joseph P. Tracy 1899-7-4 392 Napa Angwin Creek Northern Coast Ranges, Howell Mountain (meadows) 457 Comment
  CAS-BOT-BC315787  Holozonia filipes K. Brandegee 1910-7-26 186 Napa Near Angwin's Comment
  CAS-BOT-BC315794  Holozonia filipes K. Brandegee 1910-7-26 186 Napa Near Angwin's Comment
  JEPS106645  Holozonia filipes Jake Ruygt 1985-6-9 1803 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  UC143000  Holozonia filipes Mrs. K. Brandegee 1910-7-26 186 Napa near Angwin's Comment
  JEPS80610  Holozonia filipes Joe Callizo and Glenn Clifton 1981-8-13 Napa ridgetop, Los Posadas State Forest Los Posadas State Forest Comment
  RSA10673  Hordeum brachyantherum C. B. Wolf 1928-5-3 1816 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD83854  Hordeum brachyantherum Ellen Dean; Kate Mawdsley 2010-4-30 5944 a Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. 71 Comment
  CAS-BOT-BC284936  Hordeum brachyantherum subsp. californicum Carl B. Wolf 1928-5-3 1816 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD85377  Hordeum marinum subsp. gussoneanum K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UC650397  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa roadside 1 1/2 mi ne Calistoga Comment
  UCD106054  Hosackia crassifolia Beecher Crampton 1965-6-30 7423 Napa Solano-Napa Counties, Vaca mountains, Mt. Vaca. 859 Comment
  UCD32907  Hosackia crassifolia Beecher Crampton 1965-6-17 7423 Napa Solano-Napa Counties, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  UCD75716  Hosackia crassifolia var. crassifolia Jake Ruygt 1989-5-20 2340 Napa Vaca Mtns. About 1 mile north of Mt. Vaca. 810 Comment
  CAS-BOT-BC400800  Hypericum anagalloides Rimo Bacigalupi 1928-6-20 1876 Napa Howell Mt 10 mi west of St Helena Comment
  CAS-BOT-BC410212  Hypericum concinnum Peter H. Raven 1950-6-20 2380 Napa Howell Mtn. on NNE side Rd to Pope Valley Comment
  UCD73457  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCR220100  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  CAS-BOT-BC410805  Hypericum concinnum Belle Richardson Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's Mt. St. Helena region Comment
  UC19031  Hypericum concinnum Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  UCD133324  Hypochaeris glabra Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  UCD159907  Hypochaeris glabra Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. 243 Comment
  UCD133462  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 345 Napa east slope of Mt. Veeder. Comment
  JEPS126050  Iris fernaldii Jake Ruygt 2002-4-1 4381 Napa West of Calistoga above Blossom Creek. Mark West Springs 7.5' Quad. Comment
  UCD138720  Iris fernaldii Collector Unknown 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UC896991  Iris fernaldii Milo S. Baker 1932-4-26 3955 Napa highway s Monticello Comment
  UCD138721  Iris fernaldii C. G. Baughn 1949-4-24 27 Napa State Highway 12, 4 miles northwest of Cordelia. Comment
  UCD138725  Iris fernaldii Heidi E. M. Dobson 1978-4-8 297 Napa East side of Mt. Veeder. Comment
  UCD14889  Iris fernaldii Olivia Shinomoto 1991-3-18 19 Napa along Highway 121, 7.7 miles south of the intersection with Highway 128; 365 Comment
  UC614451  Iris macrosiphon L. Constance 1938-4-22 2132 Napa 2 mi w Yountville (above Dry Creek); North Coast Ranges, Miyakma Mountains 457 Comment
  UCD138758  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCD48718  Iris macrosiphon S. M. Smukler 1995-5-5 7 Napa Quail Ridge Preserve, 1/4 mi. from the University Cabin. 100 Comment
Read comments
Jan 14 2009
  UCD138760  Iris macrosiphon Alan P. Godlewski 1974-5-3 23 Napa West of Lake Berryessa. 100 yards from Highway 128. Comment
  JEPS129166  Isoetes orcuttii Jake Ruygt 2015-3-21 6048 d Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UC1751075  Isoetes orcuttii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2761 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  RSA1941  Juglans californica Carl B. Wolf 1930-11-3 1801 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  RSA12697  Juglans hindsii Carl B. Wolf, E. R. Johnson 1934-10-17 6197 Napa Munson Ranch, Napa Range, above Wooden Valley; This is an old Indian Camp Site 305 Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 Comment
  UCD95978  Juncus balticus subsp. ater Ellen Dean; with Clare Loughran 2011-5-20 7069 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
  UC730033  Juncus bufonius Leo F. Koch 1940-4-24 860 Napa 7 mi from Monticello (Pope Creek Road) Comment
  JEPS122652  Juncus covillei Jake Ruygt 1989-6-17 2370 Napa Van Ness Canyon near Bear Valley. Quad: Detert Resevoir. Comment
  JEPS122657  Juncus effusus subsp. pacificus Jake Ruygt 1985-5-25 1601 Napa American Canyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  JEPS122656  Juncus ensifolius Jake Ruygt 1984-6-23 1575 Napa Livermore Road, west of ranchhouse. Quad: Detert Reservoir. Comment
  JEPS126055  Juncus ensifolius Jake Ruygt 2007-6-2 5218 a Napa Wild Lake, north of Friesen Lakes. Saint Helena 7.5' Quad. Comment
  UC14891  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-18 1534 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  RSA19022  Juncus occidentalis M. S. Jussel 1937-5-23 s.n. Napa Mt. St. Helena. Comment
  UC842739  Juncus occidentalis Lewis S. Rose 1935-6-4 35204 Napa e slope Mt. St. Helena 457 Comment
  JEPS122659  Juncus oxymeris Jake Ruygt 1996-5-31 3726 Napa South of James Creek road and Butts Canyon Road, Pope Valley. Quad: Aetna Springs. Comment
  UCR43201  Juncus oxymeris L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  UCD121184  Juncus patens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7361 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat. 392 Comment
  UC1151996  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-6-6 15847 Napa about 5 mi n Napa Comment
  JEPS126041  Juncus xiphioides Jake Ruygt 1995-6-5 3498 Napa Oakville Grade about 1/2 way to top of grade, S side road. Rutherford 7.5' Quad. Comment
  UCD148833  Juncus xiphioides Ellen Dean; Diana Hickson 2014-4-29 8138 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD19339  Juncus xiphioides M. A. Bibbo; E. Dean 2001-7-6 32 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  SBBG6948  Keckiella corymbosa J. M. Tucker 1941-9-20 399 Napa between Monticello and Pope Valley 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
  UC1178880  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 mi n Calistoga (bed of Napa River); Napa River Comment
  UCD160802  Koeleria macrantha Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8682 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD170372  Koeleria macrantha Daniel Potter; N Khuu, K Battenberg 2016-4-30 870 Napa Knoxville Wildlife Area, along Nevada Creek. 220 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
  JEPS122892  Kopsiopsis strobilacea Adam C. Schneider 2015-3-28 919 Napa Robert Louis Stevenson St. Park. Trail to Mt. Helena. Comment
  UCD159466  Lactuca saligna D. S. Park 2010-8-13 220 Napa Along Berryessa Knoxville Rd. disturbed. 219 Comment
  UC127119  Lactuca serriola Harley P. Chandler Sep 7 1906-Sep 14 1906 7111 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC1536759  Lactuca serriola G. H. True 1937-10-12 843 Napa roadside near Lokoya Lodge 304 Comment
  CAS-BOT-BC26054  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
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Mar 3 2018
  NY180446  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring Comment
Read comments
Nov 25 2013
  UC1199151  Lagophylla minor Joseph P. Tracy 1933-6-2 12481 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain Comment
  SEINET879048 Image available Lagophylla minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just south of Walters spring. Comment
  JEPS7756  Lagophylla ramosissima Peter H. Raven 1952-6-28 4196 Napa Conn Valley 121 Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain Comment
  UCD132430  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  JEPS106651  Lagophylla ramosissima subsp. ramosissima Jake Ruygt 1992-6-24 3053 Napa Tuteur Ranch, end of Green Valley Rd. 274 Comment
  UCD170203  Lamium amplexicaule Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 754 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary. 347 Comment
  SD71209  Lamium purpureum Mrs. Merrel Ackley 1959-4-4 Napa Near St. Helena Comment
  CAS-BOT-BC338274  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 Comment
  POM118233  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 311 Napa Napa Valley, near Calistoga. 90 Comment
  UCD168534  Lathyrus hirsutus Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UC162787  Lathyrus jepsonii var. californicus Joseph P. Tracy 1904-5-20 2079 Napa near Rutherford; Northern Coast Ranges, Napa River 60 Comment
  UC162874  Lathyrus nevadensis var. nevadensis Joseph P. Tracy 1902-5-17 1527 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 457 Comment
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. Comment
  UCD75718  Lathyrus torreyi Jake Ruygt 2007-4-15 5153 Napa Las Posadas State Forest, upper Wildcat Canyon at hunting camp. 451 Comment
  UCD106481  Lathyrus vestitus Paul C. Hutchinson 1963-3-3 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCSB3114  Lathyrus vestitus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway 37, 500 feet above valley floor 304 Comment
  UCSB3115  Lathyrus vestitus Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  POM277785  Lathyrus vestitus subsp. vestitus Lyman Benson 1930-3-31 2021 Napa Calistoga 915 Comment
  JEPS55382  Lathyrus vestitus var. vestitus W. L. Jepson 1924-4-24 10370 Napa Toll House Mt. St. Helena Comment
  JEPS55384  Lathyrus vestitus var. vestitus W. L. Jepson 1924-4-6 10316 Napa Howell Mt. Napa Range 914 Comment
  UC2029553  Lathyrus vestitus var. vestitus Richard R. Halse 2013-3-27 8752 Napa Along State Highway 128, ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa Comment
  UCD83863  Lathyrus vestitus var. vestitus Ellen Dean; Stephen Rae 2010-3-15 5821 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  JEPS55351  Lathyrus vestitus var. vestitus W. L. Jepson 531 Napa Howell Mt. grade to New Eden Comment
  UC15381  Lathyrus vestitus var. vestitus unknown 1895-4-24 Napa e of St. Helena Comment
  JEPS106620  Layia chrysanthemoides Jake Ruygt 1978-3-31 254 Napa north of Suscol Hill and west of HWY 29 (221) 4 Comment
  CAS-BOT-BC323198  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  CAS-BOT-BC323200  Layia chrysanthemoides H. M. Hall 1931-5-26 13084 Napa Sonoma-Napa Road. Comment
  UC472393  Layia chrysanthemoides C. F. Sonne Apr 1887 1467 Napa near Napa Junction Comment
  SBBG8517  Layia gaillardioides H. and M. Dearing 1939-4-28 3220 Napa near Fairfax Comment
  POM260852  Layia platyglossa subsp. campestris J. T. Howell 1940-5-19 15458 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC295369  Layia septentrionalis R. C. Wenk; E. S. Wenk 2006-4-30 439 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  JEPS106633  Layia septentrionalis Jake Ruygt 1986-4-20 1719 Napa Palisades north of Oat Hill Mine Rd. 755 Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS82340  Legenere limosa Robert F. Holland 1983-5-21 1230 Napa vernal pools a few hundred feet e Routes 12 and 29 (about 3.9 mi s of Route 121, about 1000 ft n of Suscol Creek) 30 Comment
  JEPS34473  Lemna minuscula L. R. Heckard 1964-5-23 1362 Napa about 2 mi sw of Aetna Springs (Cleary Reserve (Nature Conservancy)); Cleary Reserve (Nature Conservancy) 365 Comment
  RSA537691  Lemna minuta L. R. Heckard 1964-5-23 1362 Napa Cleary Reserve (Nature Conservancy), which is about 2 miles southwest of Aetna Springs 366 Comment
  CAS-BOT-BC534949  Lemna minuta Peter H. Raven 1953-4-2 5291 Napa Tulucay Creek 243 Comment
  CAS-BOT-BC534950  Lemna minuta Peter H. Raven 1951-6-26 3073 Napa Wooden Valley grade 304 Comment
  UC1543040  Lemna trisulca Donald G. Nelson 1936-4-1 346 Napa Green Valley Falls Comment
  UCD120785  Leontodon saxatilis subsp. saxatilis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7328 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
  UCD74387  Lepidium appelianum Jake Ruygt 1990-4-21 2499 Napa Giles Mead Ranch, Atlas Peak Rd. 429 Comment
  JEPS106833  Lepidium latifolium Jake Ruygt 1994-6-17 3404 Napa Fagan Slough 1 Comment
  UCD17994  Lepidium nitidum Ellen Dean; with Plant Biology 102 class 2001-4-14 720 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Rd. at junction with South Decker Canyon Rd. 365 Comment
  UCD82341  Lepidium nitidum Robin McMaster 1973-4-20 331 Napa 14 mi S of Pope Valley. Comment
  JEPS53708  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Calistoga Comment
  CAS-BOT-BC12774  Lepidium oxycarpum Peter H. Raven 1953-3-29 5200 Napa Calistoga. 106 Comment
  CAS-BOT-BC12925  Lepidium strictum A. A. Heller; H. E. Brown 1902-4-25 5363 Napa Near Napa. Comment
  SBBG5962  Leptosiphon androsaceus H. and M. Dearing 1939-4-29 3239 Napa Conn Valley Comment
  OBI6321  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  SD147974  Leptosiphon androsaceus Etienne Oleksiewicz, Laurie Oleksiewicz 1981-4-22 19 Napa State Highway 128, 1.8 miles west of Monticello Dam. Comment
  UCD118585  Leptosiphon androsaceus Alan P. Godlewskie 1974-5-3 15 Napa west of Lake Berryessa, approximately 75 yards from Highway 128. Comment
  UCD167230  Leptosiphon androsaceus Jake Ruygt 1995-4-24 3439 Napa 1.6 miles south of Lake Hennessey on road to Taylor/ Chapallet. 402 Comment
  POM146397  Leptosiphon aureus A. A. Heller 1924-4-12 I- 3850 Napa Hot springs at Calistoga Comment
  CAS-BOT-BC488334  Leptosiphon parviflorus Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 Comment
  UCD121168  Leptosiphon parviflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7353 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  UCD48067  Leptosiphon parviflorus K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 13 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill, north-facing slope. 533 Comment
  UCD167235  Leptosiphon parviflorus Jake Ruygt 1998-3-21 3891 Napa Berryessa Knoxville Road, about 1.5 miles north of Putah Creek bridge. 182 Comment
  CAS-BOT-BC324165  Lessingia hololeuca Milo S. Baker 1933-9-9 7536 Napa Near Calistoga Geysers Comment
  JEPS8455  Lessingia hololeuca Peter H. Raven 1952-8-26 5147 Napa 3/4 mi w of Buchli Sta.; Railroad Comment
  UC517444  Lessingia hololeuca Milo S. Baker 1933-9-9 7536 Napa Calistoga geysers Comment
  UCD39140  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  UCD69064  Lessingia nemaclada P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. 285 Comment
  JEPS20656  Lessingia ramulosa W. L. Jepson 1938-6-8 18887 Napa nw Pope Valley; South Fork of Butts Creek Comment
  RSA14531  Lessingia ramulosa Daniel Cleveland 1882-8-23 s.n. Napa Aetna Springs Comment
  SBBG117234  Lessingia ramulosa B. Crampton 1961-8-14 5968 Napa N end of Capell Valley, along St Hwy 128, above Capell Crk Comment
  UC1925924  Lessingia ramulosa Ethel Crum Oct 1930 915 Napa Pope Valley. Comment
  UC570411  Lessingia ramulosa Chas. M. Belshaw and A. L. Mason 1936-9-20 2688 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD38961  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa North end of Capell Valley above Capell Creek and along State Hwy. 128. 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
  UC178860  Lessingia ramulosa Katharine Brandegee Napa near Pope's Store Comment
  UCD63158  Lessingia ramulosa Jake Ruygt 1990-9-19 2604 Napa North end of Wooden Valley. 231 Comment
  JEPS29587  Lewisia rediviva Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8444 Napa 5 mi n along Atlas Peak road Vichy Springs junction (with Calif. 37) (1/4 mi n of junction with side road leading to Milliken Reservoir) 355 Comment
  CAS-BOT-BC444416  Lewisia rediviva Milo S. Baker 1926-5-1 168 C-Son Ser. Napa Mt St Helena - 1/2 mi. S.East Comment
  UC1746036  Lilaea scilloides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2763 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  UCD116464  Limnanthes alba subsp. alba K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  JEPS112542  Limnanthes douglasii subsp. douglasii Jake Ruygt 1995-4-19 3438 Napa 1.35 miles north of Coombsville Road on First Avenue 39 Comment
  JEPS112563  Limnanthes douglasii subsp. nivea Jake Ruygt 1996-4-11 3594 Napa Calistoga Airport 105 Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  JEPS110643  Limosella acaulis Jake Ruygt 1979-4-12 505 Napa .2 miles west of Soscol Ave on Imola Ave 4 Comment
  JEPS110998  Linanthus bolanderi Jake Ruygt 2005-5-11 4835 Napa a ridge S of Bear Valley, E of Cub Valley 701 Comment
  UC1198534  Linanthus dichotomus J. P. Tracy 1902-5-14 1440 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD20384  Linanthus dichotomus K. Esau 1938-4-13 s.n. Napa Highway between Monticello and Napa. Comment
  HSC58977  Linanthus dichotomus subsp. meridianus G. E. Johnston 1974-4-4 1024 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS95210 Image available Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa 1.3 KM W of Hardin Rd.; Wantrup Wildlife Sanctuary 265 Comment
  UC402909  Linanthus parviflorus Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  UC908955  Linanthus parviflorus Herbert L. Mason 1928-4-13 4332 Napa between Santa Rosa and Calistoga Comment
  POM182708  Linaria canadensis var. texana D. D. Keck 1931-4-2 1021 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD18371  Linum bienne R. Wenk 2000-5-14 7 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UC1135273  Lithocarpus densiflorus R. W. Lundh 1933-7-14 256 Napa 0.5 mi ne McCormack Ranch; Napa Quad. 426 Comment
  UC762365  Lithocarpus densiflorus R. F. Hoover 1941-5-10 5012 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC36061  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1926-10-3 2209 Napa St. Helena Creek on emile below Patten's 609 Comment
  JEPS47510  Lithophragma affine W. L. Jepson 1910-3-28 4029 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  CAS-BOT-BC430626  Lithophragma affine L. R. Abrams 1928-5-3 12244 Napa Summit Mt. St. Helena Grade Comment
  CAS-BOT-BC430977  Lithophragma bolanderi Mrs. Clara Hunt 1921-4-21 s.n. Napa St. Helena Comment
  JEPS47658  Lithophragma heterophyllum W. L. Jepson 1910-3-28 4018 Napa sw Calistoga (Rebecca ranch grade); sw of Calistoga Comment
  UCD73395  Lithophragma heterophyllum Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UC570869  Lithophragma heterophyllum Herbert L. Mason 1926-3-14 2721 Napa Old Toll road sw side Mt. St. Helena; sw side of Mt. St. Helena Comment
  UCD19722  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1210 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  UCD170197  Lithophragma parviflorum var. parviflorum Daniel Potter 2015-3-14 760 Napa Knoxville Wildlife Area, near small creek southwest of Zim Zim Creek. 303 Comment
  CAS-BOT-BC342246  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 miles from Calistoga Comment
  UCD66081  Lolium multiflorum Beecher Crampton 1962-10-9 6698 Napa 1.1/4 SW of Angwin, Howell Mtn. Road, Conn Creek. Comment
  UC729984  Lolium perenne Leo F. Koch 1940-4-24 851 Napa Cuttings Wharf Comment
  CAS-BOT-BC271065  Lolium temulentum Peter H. Raven 1952-5-29 4086 Napa Napa River 1 mi. N Napa 60 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
  SBBG59694  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  CAS-BOT-BC123122  Lomatium ciliolatum var. hooveri Mildred Esther Mathias 1937-5-23 1298 Napa 1.9 mile SE of Napa-Lake County Line on road to Knoxville Comment
  CDA11900  Lomatium dasycarpum G. F. Hrusa, G. L. Stebbins 1994-4-8 11720 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS17138  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1896-6-2 14303 Napa Red ridge across mouth of Conn Valley; Napa R. Basin Comment
  UC1010363  Lomatium dasycarpum subsp. tomentosum Milo S. Baker 1932-5-8 5884 Napa Pope Creek ca. seven mi. from Monticello; Pope Creek Comment
  UCD63745  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Rd. 286 Comment
  UC1563666  Lomatium hooveri Barbara Ertter with Annetta Carter 1989-5-28 8507 Napa near Knoxville (2 mi. s.e. of Lake Co. line on Berryessa Rd., hills s. of rd.); extreme n. Napa Co. 609 Comment
  UC650720 Image available Lomatium hooveri Mildred E. Mathias 1937-5-23 1298 Napa 1.9 mi se Napa-Lake County line (on road to Knoxville); ; Knoxville, Napa Co. 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
  CHSC108731  Lomatium macrocarpum B. Castro; L. P. Janeway 2002-5-12 1359 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  UCD164747  Lomatium macrocarpum Jake Ruygt 2014-6-9 5984 Napa Livermore Ranch, Bear Valley. 621 Comment
  SD58377  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills, Napa Range Comment
  RSA3281A  Lomatium marginatum var. purpureum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  UC763126  Lomatium marginatum var. purpureum R. F. Hoover 1938-6-8 3537 Napa canyon of s. fork of Butts Creek Comment
  UCD160637  Lomatium marginatum var. purpureum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8729 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  HSC103471  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane Nelson 1981-4-14 6400 Napa Along Morgan Valley Rd., ~ 1.5 mi. N of junction with Devil Head Rd., opposite Manhattan Mine. 579 Comment
  UC1076637  Lomatium marginatum var. purpureum Lincoln Constance, Reino Alava, Robert Ornduff 1957-5-5 3548 Napa n. side Mt. St. Helena (St. Helena Creek); , St. Helena Creek 365 Comment
  JEPS104541  Lomatium nudicaule Jake Ruygt 1986-5-7 1751 Napa Skyline Park below Skyline Trail 256 Comment
  JEPS101764  Lomatium repostum Dean W. Taylor 1998-6-3 16456 Napa Kidd Canyon on road 50 m N of mine mill site ca. 0.5 road miles N of Twin Peaks Mine 579 Comment
  JEPS104550  Lomatium repostum Jake Ruygt 1991-4-20 2626 Napa Friesen's Lakes, near Deer lake 597 Comment
  POM180785  Lomatium repostum J. T. Howell 1930-7-13 5358 Napa On the edge of the Crater Country Comment
  SEINET11130159  Lomatium repostum D. H. French 1968-4-20 2861 Napa Mount St. Helena, above fire access road, ca 0.5 mile above monument for R.L. Stevenson's former cabin. Comment
  SEINET7883499 Image available Lomatium repostum Unknown 1946-1 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  UCD127802  Lomatium utriculatum Moacyr Maestri 1965-3-19 7 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley. 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
  JEPS78641  Lomatium utriculatum John W. Willoughby 1975-5-23 784 Napa along State Hwy. 128 w. Monticello Dam (Vaca Mts.); Vaca Mts. 170 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
  JEPS12842  Lonicera hispidula var. vacillans Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Napa Range Comment
  RSA603509  Lotus humistratus M. Sidells 1996-4-13 9 Napa Southwest side of Lake Bereyessa, 150 m northeast of Knoxville Rd. 250 Comment
  UC483306  Lotus humistratus Ira L. Wiggins 1932-3-12 5764 Napa between Calistoga and Franz Valley Comment
  UCR43198  Lotus humistratus L. F. LaPre 1986-5-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary to Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. line 366 Comment
  SEINET7072565  Lotus micranthus A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  JEPS107209  Lotus pinnatus Jake Ruygt 1999-5-17 4162 Napa Wild Horse Valley Ranch, near Leoma Lakes 411 Comment
  JEPS107206  Lotus purshianus var. purshianus Jake Ruygt 1992-5-15 2960 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  JEPS64887  Lotus scoparius W. L. Jepson 1934-10-19 16902 Napa St. Helena Comment
  JEPS107202  Lotus strigosus Jake Ruygt 1997-5-18 3857 Napa Bismark Knob 615 Comment
  UCD65967  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 107 -LU Napa Roadside drain along Solano Ave west of Hwy 29 between Vinters Golf Club and Hoffman Lane crossing, Yountville, CA. 23 Comment
  JEPS64923  Lupinus albifrons Willis L. Jepson 1893-4-25 54 t Napa trail to Caux's Cabin (w of St. Helena); Napa River Basin Comment
  UC504871  Lupinus albifrons R. M. Holman 1933-4-12 Napa near Mt. Veeder; near Mt. Veeder Comment
  UCD47998  Lupinus albifrons Ryan Knox; E. McDermott, and G. Walden 2002-4-13 12 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of the road. 432 Comment
  CAS-BOT-BC201556  Lupinus albifrons var. albifrons Alice Eastwood 1918-5-1 6829 Napa Mt. St. Helena Comment
  CDA11338  Lupinus albifrons var. albifrons G. F. Hrusa 1995-4-2 12048 Napa North Coast Biodiversity Arena; 1 m. NE of corner of Chiles-Pope Valley Rd. and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res., on Hwy. 128. Comment
  POM195576  Lupinus albifrons var. albifrons H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  RSA15678  Lupinus albifrons var. albifrons Carl B. Wolf 1928-2-25 1490 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS65351  Lupinus bicolor W. L. Jepson 1924-4-6 10317 Napa Howell Mt. Comment
  UCD38820  Lupinus bicolor Beecher Crampton 1958-4-29 4758 Napa Capell Valley. Comment
  UCD47996  Lupinus bicolor B. Takahashi; S. Burgess, A. Hufton, J. Pierner, A. Ryan 2000-4-29 4 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  OBI2849  Lupinus bicolor R. L. Hoover 1968-4-20 44 Napa On Howell Mt Rd, 2.6 mi NE of State Rte 29/128, on W side of rd just below curve Comment
  UC865161  Lupinus formosus Lewis S. Rose 1935-9-12 35651 Napa 2 mi nw Napa; nw of Napa 60 Comment
  UCD20617  Lupinus luteolus E. Dean; with M. Bibbo 2002-7-5 1164 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  JEPS107217  Lupinus microcarpus var. densiflorus Jake Ruygt 1989-5-24 2348 Napa Fagan Creek at South Kelly Rd. 21 Comment
  JEPS108046  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Road. Comment
  JEPS65097  Lupinus microcarpus var. densiflorus W. L. Jepson 1920-5-25 9049 Napa Zem-Zem 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
  JEPS107248  Lupinus nanus Jake Ruygt 1981-4-1 965 a Napa Stags Leap 213 Comment
  JEPS65397  Lupinus nanus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UCD108933  Lupinus nanus Craig Brauer 1974-4-15 7079 Napa the collection was made near Wallace Ranch. 188 Comment
  UCD170149  Lupinus nanus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 735 Napa Knoxville Wildlife Area 245 Comment
  POM10655  Lupinus nanus subsp. latifolius C. F. Baker 1903-4-19 1990 Napa Calistoga. Comment
  SEINET11091434 Image available Lupinus nanus var. apricus Ilsa M. Schmelzinger 1971-5-1 15 Napa McDonald Ranch, 11.2 miiles north-west of junction of Highway 128 and Chiles Road Comment
  POM10633  Lupinus polycarpus C. F. Baker 1903-4-19 1988 Napa Calistoga. Comment
  CAS-BOT-BC202226  Lupinus sericatus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6666 Napa 3 mi. N. of Pacific Union College (Howell Mt.) on road to Aetna Springs Comment
  UCD47979  Lupinus succulentus Ari Houser; J. Westbrook, S. Ratay, M. Disney, R. Wolfson,S. Wathen 2000-4-22 22 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD16043  Lupinus succulentus R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 12 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, east facing slope. Annual herb, 1.5-2 dm tall, flowers purple. Comment
  SEINET10490282  Lupinus vallicola subsp. apricus Ira L. Wiggins 1932-3-12 Wiggins 5765 Napa Between franz valley and calistoga. Comment
  RSA15623  Luzula comosa Carl B. Wolf 1928-2-25 1484 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. 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
  CHSC102256  Lycopersicon esculentum Lowell Ahart 2009-10-27 16501 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS112656  Lythrum tribracteatum Jake Ruygt 1983-8-19 1497 Napa Marina Dr., Napa 4 Comment
  UC527943  Madia anomala R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6671 Napa 6 mi ne of Pacific Union College; Howell Mt., Aetna Springs Comment
  CAS-BOT-BC343826  Madia elegans Peter H. Raven 1951-6-10 s.n. Napa Rt. #29 north of Calistoga 152 Comment
  CAS-BOT-BC343835  Madia elegans John Thomas Howell 1929-10-26 4534 Napa 1 mile nw. of Calistoga Comment
  JEPS40381  Madia elegans W. L. Jepson 1937-9-29 18570 Napa on road to sanitarium; St. Helena Comment
  UCD63156  Madia elegans Jake Ruygt 1987-7-11 2069 Napa Robert Louis Stevenson State Park near HWY 29. 694 Comment
  POM263490  Madia exigua J. C. Roos 1939-5-13 267 Napa Angwin, Howell Mt. Comment
  UCD38571  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mtns., Markley Canyon, along new road from Monticello Dam to Napa. Comment
  CDA10872  Madia gracilis G. F. Hrusa, M. Rejmanek 1993-5-15 10967 Napa UC Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS129043  Madia gracilis Jake Ruygt 2016-6-5 6272 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD161280  Madia gracilis Jake Ruygt 2000-5-10 4245 -b Napa north Pope Valley, 0.4 miles from Pope Creek. (Coordinates estimated by label maker at UC Davis). 207 Comment
  UCD170686  Madia gracilis 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD20728  Madia gracilis Ellen Dean; w/ Mark Bibbo 2002-6-17 1106 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. 188 Comment
  UCD48589  Madia gracilis S. Murphy; K. Keck and K. Dyer 2002-5-5 2 Napa Quail Ridge UC Reserve, northern tip of ridge, 7 m from E edge of stock pond. 328 Comment
  CDA11428  Madia nutans G. F. Hrusa, M. Tu 1995-5-6 12151 Napa North Coast Biodiversity Arena; on Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  POM362234  Madia nutans J. T. Howell 1931-4-2 6075 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  CAS-BOT-BC345057  Madia sativa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS40385  Madia sativa W. L. Jepson 1936-6-1 17598 Napa Howell Mt. Napa Range Comment
  UC830824  Madia sativa H. E. Brown, A. A. Heller 1902-5-24 5683 Napa Napa Comment
  CAS-BOT-BC347515  Malacothrix floccifera R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6677 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  RSA124771  Malacothrix floccifera John H. Thomas 1955-5-21 5174 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  UC1069945  Malacothrix floccifera B. Schreiber 1936-3-5 2206 Napa 0.3 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UC33286  Malacothrix floccifera Edw. L. Greene July, 1891 Napa St. Helena Comment
  UCD134379  Malacothrix floccifera M. Ensign 1943-5-28 327 Napa 26 miles from Monticellow on road to Lower Lake. Comment
  UCD161229  Marah fabacea Jake Ruygt 1986-3-4 1646 Napa 1 mile north of Hwy 12 and 0.5 miles east of Sonoma Co. line. (Coordinates estimated by label maker at UC Davis). 109 Comment
  UCD73411  Marah fabacea 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
  UCD170145  Marah watsonii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 731 Napa Knoxville Wildlife Area. 311 Comment
  UCD48564  Matricaria discoidea Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 176 Comment
  JEPS65508  Medicago polymorpha W. L. Jepson 1924-4-6 10324 Napa near mouth of Conn Creek (near St. Helena); Napa Valley Comment
  JEPS65530  Medicago sativa W. L. Jepson 1936-5-30 17555 Napa St. Helena Comment
  UCD170674  Melica californica Matthew Conner; Plant Science 102 class 2018-4-28 10 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  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
  UCD87008  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  UCR30549  Melica californica John C. Roos 1939-5-14 269 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CAS-BOT-BC282168  Melica geyeri Peter H. Raven 1952-8-26 5154 Napa Lokoya 487 Comment
  CAS-BOT-BC282169  Melica geyeri A. A. Heller 1924-4-12 13846 Napa About 5 miles S of Calistoga 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
  SEINET11687429  Melica geyeri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -310 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  CAS-BOT-BC264210  Melica torreyana M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CDA12102  Melica torreyana G. F. Hrusa 1989-4-24 5961 Napa North Coast Biodiversity Arena; W side of upper Chiles Valley. Comment
  UCD149633  Melica torreyana G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD149682  Melica torreyana Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCSB425  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  UCD73499  Melissa officinalis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  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
  JEPS112573  Mentha spicata var. spicata Jake Ruygt 1979-7-12 748 Napa 1.4 miles SW of HWY 128 on Monticello Rd 249 Comment
  UCD102804  Micranthes californica H. H. Dickinson 1950-4-1 16 Napa Putah Canyon, near Monticello. Comment
  UCD102808  Micranthes californica D. H. Hartmann 1942-3-7 s.n. Napa in a canyon of Green Valley. Comment
  CAS-BOT-BC322616  Micropus amphibolus John H. Thomas 1959-4-19 7111 Napa About 2 miles SW of Oakville 152 Comment
  SEINET200984  Micropus californicus var. californicus J. P. Tracy 1902-5-14 1442 Napa Howell Mountain Grade near St. Helena 305 Comment
  UC35584  Micropus californicus var. californicus W. L. Jepson 1893-4-26 Napa hills near Yountville Comment
  CAS-BOT-BC348964  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-21 5163 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS36215  Microseris douglasii subsp. douglasii W. L. Jepson 1924-5-8 10418 Napa Chiles Valley Comment
  JEPS106891  Microseris douglasii subsp. tenella Jake Ruygt 1995-5-1 3462 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  CAS-BOT-BC349184  Microseris elegans David D. Keck 1931-4-4 1093 Napa Geysers just NW. of Calistoga, northwestern Napa County Comment
  RSA31299  Microseris lindleyi Joseph A. Ewan 1934-4-30 8813 Napa Sarco Creek, 4 miles above Napa. Comment
  POM182735  Microsteris gracilis subsp. gracilis D. D. Keck 1931-4-2 1050 Napa 4 miles S of Monticello, eastern Napa County. 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
  UC1245370  Mimulus angustatus Joseph P. Tracy 1950-5-23 18660 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC147916  Mimulus arvensis J. P. Tracy 1899-6-11 362 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD18369  Mimulus aurantiacus R. Wenk 2000-5-14 6 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UC1778561 Image available Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. Lat corrected from 35 655 Comment
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Jul 14 2006
  UCD122427  Mimulus bolanderi S. E. Schoenig 1998-6-3 98- 20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. 655 Comment
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Apr 20 2017
  UC444809  Mimulus congdonii J. P. Tracy 1902-5-16 1506 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD84984  Mimulus congdonii Dena Grossenbacher 2009-3-3 948 Napa East side of Bell Creek about 75 meters up slope from creek. Wildlake Preserve, Napa County Land Trust property. 461 Comment
  UCD18028  Mimulus douglasii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 568 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD84985  Mimulus douglasii Dena Grossenbacher 2009-3-3 949 Napa East side of Bell Creek about 75 meters up slope from creek. Wildlake Preserve, Napa County Land Trust property. 461 Comment
  UC26858  Mimulus guttatus Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  SFV8685  Mimulus guttatus J. W. Riekels 1961-4-29 35 Napa Wragg Canyon. 0.25 miles north of State Highway 128. Near stream bed. 152 Comment
  JEPS110578  Mimulus kelloggii Jake Ruygt 1998-5-20 3989 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 670 Comment
  UCD167999  Mimulus kelloggii James A. Neilson Jr. 1977-4-13 3866 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  POM182672  Mimulus kelloggii D. D. Keck 1931-4-4 1089 Napa The Crater Country, 3.5 miles SE from summit of Mt. St. Helena, northern Napa Co. Comment
  CDA41702  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  JEPS100379  Mimulus layneae Dean W. Taylor 2001-5-15 17656 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC147907  Mimulus layneae J. P. Tracy June 14,1899- July 10, 1899 361 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain 518 Comment
  UC103794  Mimulus microphyllus C. F. Baker 1903-4-19 1980 Napa Calistoga Comment
  UC147909  Mimulus microphyllus J. P. Tracy 1902-5-21 1584 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 365 Comment
  UCD118609  Mimulus microphyllus William Goss; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat. 391 Comment
  UCD160720  Mimulus nudatus Ellen Dean 2015-5-23 8772 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
  UCD164589  Mimulus nudatus A. Amezcua 1995-4-29 2 Napa Along side of Butts Canyon Road, 500m south of Snell Valley Road. 400 Comment
  JEPS128903  Mimulus pulsiferae Jake Ruygt 1991-5-1 2665 Napa Intersection Aetna Extension Road with Oat Hill Mine Road. Detert Reservoir 7.5' Quad. 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
  UC1196778  Mimulus pulsiferae J. P. Tracy 1902-5-19 1566 Napa 3-4 mi e Angwin's (in stream bed); Howell Mountain, La Jota Plateau, head of Moore's Creek 518 Comment
  UCD85033  Mimulus pulsiferae Dena Grossenbacher 2009-5-14 992 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 Comment
  JEPS4668  Mimulus pulsiferae W. L. Jepson 1893-5-8 59 m Napa near La Jota Falls; Howell Mt., La Jota Plateau Comment
  UCSB1839  Minuartia douglasii Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek; about 3 miles east of Chiles Valley 304 Comment
  CHSC102257  Mollugo verticillata Lowell Ahart 2009-10-27 16499 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC102526  Mollugo verticillata Lowell Ahart 2009-10-12 16445 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters.F 133 Comment
  JEPS115681  Mollugo verticillata Lowell Ahart 2009-10-27 16499 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  CAS-BOT-BC220616  Monardella villosa Peter H. Raven 1950-6-20 2342 Napa In the Napa Range between Conn Valley & the Summit of Howell Mtn., Napa Range Comment
  POM180780  Monardella villosa subsp. villosa J. T. Howell 1930-7-13 5349 Napa On the edge of the Crater Country Comment
  UCD149659  Monardella villosa subsp. villosa 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
  UCD41412  Monardella viridis Mark Bibbo; Ellen Dean, Alex Lee, Burak Petin 2003-4-26 126 Napa Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  SEINET10582241  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 369 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  UCD63152  Monolopia major Jake Ruygt 1998-4-22 3931 Napa Blue Monday Mine, Cement Creek Road. 499 Comment
  CAS-BOT-BC444852  Montia fontana John Thomas Howell 1926-3-21 1743 Napa Near Palisade Mine, n. Napa Valley Comment
  SBBG21244  Muhlenbergia andina B. Crampton 1959-8-26 Napa N end of Capell Valley, St Hwy 128 Comment
  SEINET7296349 Image available Muhlenbergia andina Beecher Crampton 1961-1 5969 Napa North end of Capell Valley above Capell Creek along State Hy. 128. Comment
  POM182667  Muilla maritima David D. Keck 1931-4-4 1096 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  UCD145104  Myriophyllum spicatum Tim Allen 2001-7-12 110326 7 Napa Lake Berryessa, close to 4290 Knoxville Rd, Napa. Comment
  UCD41471  Narcissus pseudonarcissus Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1351 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road where it joins with South Decker Canyon Road. 350 Comment
  UCD48419  Nassella lepida M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 5 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines. 304 Comment
  UCD87897  Nassella lepida Jack Maze 1964-3-8 49 Napa 3 miles southwest of Monticello Dam, State Highway 128. Comment
  UCD87903  Nassella lepida Gerry North 1993-3 27 Napa Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 60 m S of Vista Point at old slide. On NE side of Adobe Canyon Road. Comment
  SEINET11695741  Nassella lepida Unknown 1956-5-25 3481 Napa Howell Mountains, above SW corner of Wooden Valley Comment
  CAS-BOT-BC260183  Nassella pulchra David D. Keck 1931-4-2 1004 Napa Foot of Wooden Valley grade, 4 miles NE of Napa 50 Comment
  UCD149717  Nassella pulchra Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  CAS-BOT-BC60335  Nasturtium officinale E. Ruckert 1960-5-8 145 Napa 6495 Dry Creek Road. Few feet from gate spring, in overflow stream. 365 Comment
  CAS-BOT-BC230259  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa E end of Pope Valley Comment
  POM215775  Navarretia cotulifolia D. D. Keck 1933-5-29 2350 Napa Just south of Pope Creek Bridge, south of Walter Springs Comment
  RSA73730  Navarretia cotulifolia J. T. Howell 1939-4-30 14626 Napa Walter Springs. Comment
  UC23628  Navarretia heterodoxa Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UC856874  Navarretia heterodoxa John Thomas Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  JEPS70316  Navarretia heterodoxa Willis L. Jepson 1901-8-6 1731 Napa Howell Mt. Napa River Basin Comment
  UC908407  Navarretia intertexta Herbert L. Mason 1935-5-30 8329 Napa between Lower Lake and Knoxville mine (Napa-Lake counties) Comment
  JEPS112534  Navarretia intertexta subsp. intertexta Jake Ruygt 1980-6-21 932 Napa Bear Valley 621 Comment
  JEPS123311  Navarretia intertexta subsp. intertexta David Gowen 2009-6-15 1062 Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve. Small drainage on southwest side of road. Comment
  RSA128369  Navarretia jepsonii P. H. Raven 1950-6-20 s.n. Napa Just above Aetna Springs, Pope Valley Comment
  JEPS95201  Navarretia leucocephala subsp. bakeri Jake Ruygt 1996-5-19 3709 Napa between Barnett Rd and Pope Valley Rd 201 Comment
  UC52368  Navarretia leucocephala subsp. bakeri J. P. Tracy 1903-5-16 1853 Napa near Calistoga; San Francisco Bay Region 91 Comment
  JEPS112558  Navarretia leucocephala subsp. pauciflora Jake Ruygt 1998-6-8 4016 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  UC155179  Navarretia mellita Katharine Brandegee 1910-7-20 Napa Pope Valley Comment
  UCD48408  Navarretia mellita Robert E. Preston 1987-6-13 560 Napa CA: Napa Co.; N slope of Snell Peak. T10N R5W se1/4 S7 (Aetna Springs 7.5' quad). 365 Comment
  JEPS110949  Navarretia pubescens Jake Ruygt 1977-5-1 209 Napa east end of Westgate Dr. 115 Comment
  JEPS70416  Navarretia pubescens Willis L. Jepson 1892-7-28 20964 Napa near Knoxville (ne Napa Co.); Mountain Region of Clear Lake Comment
  SEINET14160487  Navarretia pubescens B. Crampton 1953-5-19 1309 Napa 4 miles south of Monticello, along Highway 128. Comment
  UCD37322  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Napa County, Vaca Mountains, Markley Canyon, along State Highway 128. Comment
  UCD48629  Navarretia pubescens Robert E. Preston 1987-6-13 561 Napa CA: Napa Co.; common in dry grassy areas and along dirt road, ca. 1 mi ne of Snell Peak (Aetna Springs 7.5' quad). 335 Comment
  JEPS123301  Navarretia rosulata David Gowen with Joe Callizo, Dick O'Donnell 2009-7-6 1080 Napa Cedar Roughs. Comment
  JEPS110947  Navarretia squarrosa Jake Ruygt 1986-7-12 1869 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  JEPS101639  Navarretia subuligera Dean W. Taylor 1998-6-23 16694 Napa headwaters Swartz Canyon, South flanks Twin Peaks, (ca. 5 air mi W Aetna Springs) 716 Comment
  JEPS22750  Nemacladus capillaris Francia Chisaki 1957-5-30 971 Napa between Chiles Valley and Monticello (by Soda Creek); Soda Creek Comment
  RSA292975  Nemacladus capillaris Reino Alava 1957-5-30 1007 Napa About one half mile toward Monticello from junction of the road to Monticello and State Highway 128. Comment
  UCD149662  Nemacladus montanus 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
  CHSC45839  Nemophila heterophylla Lowell Ahart 1976-3-7 1027 Napa On a steep slope, about 1/4 mile south of the road, about 2 miles south-west of the Monticello Dam. 152 Comment
  UCD48047  Nemophila heterophylla M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 5 Napa McLaughlin UC Reserve. SW of town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  POM181027  Nemophila heterophylla Belle R jackson 1930-6-8 s.n. Napa North side of Mt. St. Helens near Toll House. Comment
  UC473498  Nemophila heterophylla Belle Richardson Jackson 1930-6-8 Napa near Toll House n side Mt. St. Helena; n side Mt. St. Helena, near Toll House Comment
  JEPS3116  Nemophila menziesii Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UC606903  Nemophila menziesii L. Constance 1938-3-27 2033 Napa 5 mi e Napa (n slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  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
  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
  UC1031220  Nemophila menziesii Rolf Y. Berg 1954-4-8 Napa Highway 128 two mi s of e Monticello; s of e of Monticello Comment
  UCD120235  Nemophila menziesii M. Wiesendanger 1928-4-5 853 Napa Monticello. Comment
  UCD23407  Nemophila menziesii Karin Staaf 1977-4-16 7 Napa 6.4 miles SW of Monticello Dam, in a small shallow canyon on south side of Highway 128. Plants 3 inches tall, herbaceous. Flowers white/blue. Growth upright to low and creeping. Growing in open, sunny, grassy meadow. Soil clay like. Comment
  UCD23409  Nemophila menziesii Jonathan M. Irvine 1977-4-16 113 Napa Hwy. 128, 6.4 miles SSW of Monticello Dam. Soil is rocky clay, Knoxville formation. Mixed woodland, west facing gentle dry slope. Comment
  JEPS110862  Nemophila menziesii var. atomaria Jake Ruygt 1995-3-21 3409 Napa In small meadow on floodplain of creek; igneous rock; Mixed Evergreen Forest 108 Comment
  UCD120239  Nemophila menziesii var. atomaria Charles B. Heiser Jr. 1947-2-18 1880 Napa 14 miles north of Napa. Comment
  JEPS110843  Nemophila menziesii var. menziesii Jake Ruygt 1997-3-18 3912 Napa Conn Valley Road, 4 mi E from Silverado Trail 103 Comment
  JEPS110869  Nemophila pedunculata Jake Ruygt 1993-4-3 3183 Napa Little Bear Valley 673 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
  JEPS12387  Nicotiana quadrivalvis W. L. Jepson 1894-11-5 21248 Napa Napa River above St. Helena; Napa River Comment
  UCD121197  Notholithocarpus densiflorus var. densiflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7368 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  UCD164770  Odontostomum hartwegii Jake Ruygt 2014-5-19 5941 Napa Sutro Ranch, Atlas Peak. 472 Comment
  UC1197138  Oenanthe sarmentosa Joseph P. Tracy 1938-8-7 16094 Napa Yountville 30 Comment
  JEPS120374  Olea europaea Jake Ruygt 1998-6-8 4020 c Napa Mead Ranch, on ridge top, overlooking Soda Canyon. Yountville 7.5' Quad. Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  RSA0066529  Orobanche fasciculata Gilbert Muth 1967-5-17 688 Napa Maple Springs. 609 Comment
  RSA292970  Orthocarpus lithospermoides Reino Alava 1957-5-30 1011 Napa About 0.7 mile west of the Chiles Valley School. Comment
  RSA402038A  Orthocarpus lithospermoides Robert Gustafson, Don Reynolds 1983-6-7 2743 Napa Snell Valley Road, about 1 mile northeast from the jct of Butts Canyon Rd. Comment
  UC901879  Osmorhiza berteroi Joseph Andorfer Ewan 1937-5-23 10327 Napa Mt. St. Helena; w slope, along auto road Comment
  UC87211  Packera clevelandii Katharine Brandegee 1910-7-2 Napa near Aetna Springs Comment
  UCD133504  Packera eurycephala Beecher Crampton 1962-5-16 6427 Napa 0.75 mile E of Aetna Springs. Comment
  HSC38131  Packera eurycephala Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi. E of Lake Co. line Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  JEPS37193  Packera eurycephala var. eurycephala W. L. Jepson 1920-5-25 9045 Napa Knoxville Ridge, ne Napa County Knoxville Ridge 670 Comment
  JEPS13749  Packera eurycephala var. eurycephala Frank W. Gould 1939-4-6 616 Napa 1.0 mi n Knoxville (on road to Lower Lake) 457 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
  JEPS89345  Packera greenei Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10806 Napa Butts Canyon Rd. near junction w/ Snell Rd.; North Coast Ranges 204 Comment
  UC1328136  Packera greenei Donald V. Hemphill 1941-5-15 162 Napa 2 mi se Angwin; Blakes Canyon 426 Comment
  SD64424  Packera greenei Darley F. Howe 1966-6-3 4265 Napa 14 miles south of Middletown 305 Comment
  SEINET11744646 Image available Packera greenei E. Williams 1964-5-1 s.n. Napa Napa Valley Comment
  UC1103775  Panicum acuminatum var. acuminatum J. P. Tracy 1899-6-17 342 Napa 3-4 mi e Angwin's (La Jota plateau); Howell Mountain, head of Moore's Creek 518 Comment
  JEPS122913  Panicum capillare Jake Ruygt 2004-9-21 4668 Napa 1 mile south of Turtle Rock cafe on Highway 128. Quad: Yountville. Comment
  UCD89506  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa ca. 3 miles north Moskowite Corners, State Hwy. 128. Comment
  UCD164816  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  UCD18370  Parentucellia viscosa R. Wenk 2000-5-14 8 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UC972131  Parvisedum pumilum Helen K. Sharsmith 1952-6-7 4122 Napa road to Atlas Peak, Inner North Coast Ranges Atlas Peak; Inner North Coast Ranges 609 Comment
  JEPS70594  Paspalum dilatatum R. S. Pearse Napa Napa; Soda Springs Road Comment
  CAS-BOT-BC202809  Paxistima myrsinites James R. Shevock; Roger Raiche 1989-4-17 11850 Napa Trail to the Cedars off of California hihway 29 east of Roert Louis Stevenson Memorial State Park 762 Comment
  UC55915  Pectocarya pusilla J. P. Tracy 1902-5-21 1603 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 457 Comment
  UCD149364  Pedicularis densiflora Collector Unknown 1940-4-7 s.n. Napa City of St. Helena. 80 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
  UC27314  Pedicularis densiflora Willis L. Jepson 1893-4-25 Napa trail to Leaux's Cabin; Napa River Basin Comment
  UCD123316  Pedicularis densiflora Chas. Heiser 1947-3-29 1889 Napa about 7 miles east of Napa. Comment
  SEINET11340614  Pellaea andromedifolia Unknown 1992-12-11 7453 Napa St. Helena Comment
  CAS-BOT-BC71384  Pellaea mucronata Peter H. Raven 1954-1-22 6387 Napa Soda Springs Canyon just north of the Resort 213 Comment
  UCD67770  Pellaea mucronata var. mucronata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve, at Hunting Canyon. 680 Comment
  UCD124217  Penstemon heterophyllus Alan P. Godlewski 1974-5-3 12 Napa south of Lake Berryessa, 150 yards from Highway 128. Comment
  RSA92803  Penstemon heterophyllus subsp. heterophyllus Peter H. Raven 1951-6-26 3059 Napa Wooden Valley Grade. 305 Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  CAS-BOT-BC245715  Penstemon newberryi var. sonomensis Belle R. Jackson 1930-6-20 s.n. Napa At the monument, summit of Mt. St. Helena Comment
Read comments
Jan 13 2018
  JEPS60091  Pentagramma triangularis subsp. triangularis W. L. Jepson 1943-5-15 20777 Napa Knoxville Ridge Comment
  UCR198039  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road 488 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
  JEPS12398  Perideridia oregana W. L. Jepson 1894-10-13 14808 Napa Upper Conn Valley Napa Range Comment
  UCD167138  Perideridia oregana Jake Ruygt 2015-5-23 6109 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD99331  Persicaria orientalis Irving Grover 1955-8-1 s.n. Napa location unknown. Comment
  UCD47958  Petrorhagia dubia Ryan Knox; E. McDermott and G. Walden 2002-4-13 9 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. 453 Comment
  UCR196226  Petrorhagia dubia M. K. Voigt, E. Sweeney, M. Miller 2002-4-13 01 Napa McLaughlin UC Reserve. Southwest of old town of Knoxville on north side of Knoxville-Berryessa Road 427 Comment
  JEPS129067  Phacelia distans Jake Ruygt 2016-4-2 6170 Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1301152  Phacelia distans Helen K. Sharsmith 1963-4-20 5337 Napa s slopes of mt. San Francisco Bay Region, Mt. Atlas 609 Comment
  UCD81820  Phacelia distans Ellen Dean 2009-4-24 5447 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  SEINET5760572  Phacelia distans M. J. Williams 1967-5-7 s.n. Napa Howell Mountain, between St. Helena and Angwin 259 Comment
  JEPS110866  Phacelia divaricata Jake Ruygt 1979-4-14 514 Napa Oat Hill Mine Rd. near Twin Peaks 694 Comment
  JEPS2346  Phacelia divaricata W. L. Jepson 1893-5-2 21020 Napa Pope Valley grade from Calistoga Napa Valley (that is, in Napa Range e of Calistoga) 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
  UC1301154  Phacelia imbricata Helen K. Sharsmith 1963-3-17 5236 Napa hillsides along Silverado Trail San Francisco Bay Region 76 Comment
  UC1001191  Phacelia nemoralis subsp. nemoralis Peter H. Raven 1952-5-31 4154 Napa Rector Dam 152 Comment
  UC146180  Phacelia ramosissima var. ramosissima Joseph P. Tracy 1904-5-23 2088 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS110798  Phacelia tanacetifolia Jake Ruygt 1998-4-18 3926 Napa Blue Ridge about 1.5 mile north of Mays Flat 701 Comment
  CAS-BOT-BC265792  Phalaris aquatica Peter H. Raven 1951-6-24 3025 Napa Brown's Valley to Napa-Sonoma Road 91 Comment
  UCD167204  Phlox gracilis Jake Ruygt 1986-3-14 1643 Napa north of Highway 12 near Sonoma county line. 106 Comment
  UCD102037  Phoradendron bolleanum O. A. Leonard 1962-3-9 s.n. Napa Near Napa-Lake County line, 4 miles northwest of Knoxville on road to Lower Lake. 640 Comment
  POM280308  Phoradendron bolleanum subsp. densum Lyman D. Benson 1935-2-25 6245 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
Read comments
Jan 25 2016
  UC639129  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  UCR115095  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  UCD102235  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. 380 Comment
  HSC15919  Phoradendron serotinum subsp. tomentosum Greg Bos 1963-3-30 54 Napa St. Helena Mtn., S slope 305 Comment
  JEPS110922  Physalis philadelphica Jake Ruygt 1969-12-31 418 Napa Napa River south of Trancas St., Napa 3 Comment
  UCD167239  Phytolacca americana Jake Ruygt 1992-8-6 3118 Napa Yountville Ecological Reserve, Yountville Cross Road. 25 Comment
  UCD15251  Pickeringia montana Ted Graber 1984-5-12 20 Napa along highway 128, 3 miles west of Moskowite corner. 243 Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  UC1197436  Pickeringia montana var. montana Joseph P. Tracy 1899-7-6 398 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UC17044  Pickeringia montana var. montana W. H. Brewer July 1862 1313 Napa hills near Rockville Comment
  UCD170184  Pickeringia montana var. tomentosa Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 773 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 462 Comment
  CAS-BOT-BC73329  Pinus attenuata John Thomas Howell 1926-10-3 2205 Napa Mt. St. Helena 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
  JEPS47900  Pinus attenuata Willis L. Jepson 1893-5-4 Napa summit of Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  RSA10628  Pinus attenuata C. B. Wolf 1928-5-4 1864 Napa Upper slopes of Mount St. Helena Comment
  CAS-BOT-BC73123  Pinus lambertiana Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena 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
  SEINET267026  Pinus ponderosa Royal D. Suttkus 1967-6-26 673042 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD121150  Pinus ponderosa Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7348 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  JEPS48212  Pinus sabiniana W. L. Jepson 1906-12-1 2626 Napa above Sanitarium; St. Helena Comment
  SEINET11739558  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET11740444  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-5-19 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UC429322  Piperia unalascensis H. P. Chandler 1907-5-4 7555 Napa White Sulphur Springs St. Helena Comment
  JEPS60936  Plagiobothrys bracteatus Willis L. Jepson 1893-6-26 21171 Napa Howell Mt. Napa River Basin Comment
  UC78139  Plagiobothrys bracteatus Alice Eastwood 1900-5-8 Napa Calistoga Comment
  JEPS60937 Image available Plagiobothrys bracteatus W. L. Jepson 1897-5-2 21170 Napa near Calistoga; Napa Valley Comment
  HSC81992  Plagiobothrys cognatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5155 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  SBBG117336  Plagiobothrys fulvus B. Crampton 1955-4-7 2436 Napa 7.8 mi N of Monticello Comment
  JEPS106765  Plagiobothrys nothofulvus Jake Ruygt 1990-4-1 2456 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  JEPS68063  Plagiobothrys nothofulvus W. L. Jepson 1897-5-2 21158 Napa St. Helena Comment
  JEPS68083  Plagiobothrys nothofulvus W. L. Jepson 1924-4-6 10328 Napa Conn Valley Napa Range Comment
  POM182692  Plagiobothrys nothofulvus D. D. Keck 1931-4-2 1006 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  UC25056  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-25 Napa Caux's Knob w St. Helena; Caux's Knob 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
  UCD39034  Plagiobothrys nothofulvus Beecher Crampton 1962-5-16 6426 Napa 1 mile E of Aetna Springs. Comment
  RSA0051321  Plagiobothrys nothofulvus Keith E. Hoffmaster 1946-3-23 1040 Napa Napa range, along Napa-Monticello road. Comment
  UC1301091  Plagiobothrys stipitatus Helen K. Sharsmith 1963-4-20 5336 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD21504  Plagiobothrys stipitatus var. micranthus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4406 Napa Quail Ridge Reserve. 262 Comment
  RSA0008558  Plagiobothrys strictus Joseph P. Tracy 1857 Napa Calistoga Hot Springs. 91 Comment
  JEPS106760  Plagiobothrys tenellus Jake Ruygt 1986-4-20 1718 Napa The Palisades 755 Comment
  UC1245375  Plagiobothrys tenellus Joseph P. Tracy 1950-5-23 18669 Napa dry gravelly flats Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC881357  Plagiobothrys tener var. subglaber Milo S. Baker 1936-4-8 8176 Napa on road to Lower Lake ca 2 mi n Knoxville Comment
  JEPS85016  Plagiobothrys tener var. tener Larry Heckard and Mary Ashton 1969-5-3 2228 Napa ca 7 mi ne Napa (off Atlas Peak Rd., ca 1/2 mi ne of ranch house); Mead Ranch 457 Comment
  JEPS110787  Plantago elongata Jake Ruygt 1993-4-18 3213 Napa west of west end of Rio Del Mar Drive, American Canyon 1 Comment
  JEPS120325  Plantago erecta Jake Ruygt 1995-4-27 3638 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Chiles Valley 7.5' Quad. Comment
  JEPS20845  Plantago erecta B. Crampton 1956-5-25 3466 Napa between se Capell Valley and Wragg Canyon; Capell Valley Comment
  UCD118542  Plantago erecta Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD18176  Plantago erecta Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  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
  JEPS110758  Plantago subnuda Jake Ruygt 1982-7-6 1364 Napa American Canyon area, next canyon north 173 Comment
  HSC58979  Platystemon californicus G. E. Johnston 1974-4-4 1022 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS51578  Platystemon californicus W. L. Jepson 1915-4-23 6240 Napa St. Helena Comment
  CAS-BOT-BC91870  Platystemon californicus John Thomas Howell 1926-3-20 1691 Napa Near Calistoga. Comment
  JEPS51587  Platystemon californicus Willis L. Jepson 1893-4-27 Napa near Veteran's Home Yountville (Yountville, Napa Valley); Napa River Basin, Napa Valley Comment
  UC855258  Platystemon californicus Lewis S. Rose 1939-4-16 39066 Napa 6 mi s Napa 30 Comment
  POM182730  Platystemon californicus var. californicus D. D. Keck 1931-4-2 1056 Napa Monticello Comment
  JEPS6140  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4449 Napa 4.2 mi n of Wooden Valley (on Monticello Road); Monticello Road Comment
  UCD137583  Plectritis ciliosa J. D. Skoss 1948-4-1 1 Napa Putah Canyon, 14 miles above Winters. Comment
  UC903163  Plectritis ciliosa subsp. ciliosa Ethel Crum 1937-4-19 1777 a Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  UC1301169  Plectritis ciliosa subsp. ciliosa Helen K. Sharsmith 1963-4-20 5353 Napa above Wooden Valley (on Monticello Road, e side Napa Range); San Francisco Bay Region, Napa Range San Francisco Bay Regio 243 Comment
  UCR27515  Plectritis macrocera John C. Roos 1939-3-27 263 Napa North Coast Ranges, Pope Valley Comment
  UC999846  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 689 Napa n of Monticello Comment
  UC936193  Pleuropogon californicus H. L. Mason 1931-4-12 5833 Napa grounds s of Napa State Hospital Comment
  UCD36170  Pleuropogon californicus Beecher Crampton 1952-3-24 1031 Napa Napa County, 8 miles north of city of Napa, along Silverado Road. Comment
  UCD37527  Pleuropogon californicus Beecher Crampton 1955-3-14 2318 Napa Napa County, 5-6 miles southeast of Calistoga, Upper Napa Valley, along Silverado Trail Highway. Comment
  UC767873  Pleuropogon californicus var. californicus R. F. Hoover 1941-4-26 4923 Napa Pope Valley Comment
  UC73784  Poa annua J. Burtt Davy April 1902 Napa St. Helena Comment
  UCD121140  Poa annua Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7343 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
  UCD90286  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3546 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC246685  Poa howellii Beecher Crampton 1956-5-25 3461 Napa East slope of Wragg Canyon, Vaca Mtns. Comment
  UCD91107  Poa howellii Beecher Crampton 1957-4-15 3928 Napa Martley Canyon, Vaca Mountains. Comment
  SD58318  Poa napensis Alan A. Beetle 1946-5-7 4256 Napa Damp banks of overflow stream; two miles north of Calistoga at Myrtledale Hot Springs Comment
  UCD91552  Poa napensis Beecher Crampton 1965-5-13 7338 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area. Comment
  UCD90836  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7332 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  UCD125418  Pogogyne douglasii G. H. Vansell 1934-5-16 s.n. Napa Napa Valley. Comment
  UCD98413  Polycarpon tetraphyllum Freed W. Hoffman 1946-8-20 1855 Napa Conn Reservoir. Comment
  UCD148763  Polycarpon tetraphyllum var. tetraphyllum Jake Ruygt 1994-3-15 3320 Napa Napa County; Chiles Canyon Rd. about 1 mile from Chiles Valley. 365 Comment
  JEPS112606  Polygala californica Jake Ruygt 1979-6-1 642 Napa .7 mile west of HWY 29 on Diamond Mountain Rd. 146 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
  UCD21553  Polygala californica A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 7 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  UCD63348  Polygala californica Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 220 Comment
  CAS-BOT-BC109156  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CHSC102529  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 Winters. 130 Comment
  JEPS115738  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 W 133 Comment
  UC1198080  Polygonum lapathifolium Joseph P. Tracy 1905-7-3 2204 Napa near Calistoga; Northern Coast Ranges, Napa Valley Comment
  JEPS112589  Polygonum parryi Jake Ruygt 1992-5-20 2985 Napa south of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  CDA29742  Polygonum punctatum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 210 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
  UC6634  Polygonum punctatum unknown 1892-10-22 Napa St. Helena Napa River (river bed) Comment
  CAS-BOT-BC420987  Polygonum spergulariiforme Betty H. Johnson 1958-6-15 615 Napa Near St. Helena River [Creek], 6.4 mi. S-W of Middletown Comment
  SEINET3873602  Polypodium californicum Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-13 166 Napa Uc Davis, Stebbins Cold Canyon Reserve. Near main trailhead.; 0 160 Comment
  RSA309338  Polypodium californicum Edward Lee, Annetta Carter 1935-12-1 1672 Napa Sarco Creek, Howell Mountains (road from Napa to Wooden Valley) Comment
  CAS-BOT-BC72056  Polypodium calirhiza John Thomas Howell 1926-3-21 1729 Napa St. Helena Creek near Patten's 609 Comment
  UCD121196  Polypodium calirhiza Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7367 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  UCD81813  Polypodium calirhiza Ellen Dean 2009-4-24 5440 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  SACT002023  Polypogon maritimus 1925-5-25 Napa No collector/determiner listed. Comment
  CAS-BOT-BC237254  Polypogon monspeliensis Doris K. Kildale 1928-5-8 5044 Napa 3 miles W of Napa-Solano county line Comment
  UC150411  Polystichum C. C. Parry June 1881 369 Napa Calistoga Comment
  SJSU8157  Polystichum californicum D. L. Blair 1968-4-5 Napa ravine in Cleary Reserve, Pope Valley Comment
  UCD110657  Populus fremontii subsp. fremontii M. Wiesendanger 1926-4-1 1509 Napa location unknown. Comment
  UCD164807  Populus trichocarpa Jake Ruygt 1998-6-13 4021 Napa Milliken Creek south of Foss Valley. 405 Comment
  CAS-BOT-BC445238  Portulaca oleracea J. H. Thomas 1964-6-28 10438 Napa At Charles Krug winery at St. Helena. Comment
  UCD167134  Potamogeton diversifolius Jake Ruygt 2015-6-1 6118 x Napa Milliken Creek in Foss Valley. 177 Comment
  UCD73520  Potamogeton diversifolius Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC184618  Proboscidea louisianica subsp. louisianica H. J. Baade 1915-9-28 Napa Napa Comment
  UCD139794  Prosartes hookeri C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  CAS-BOT-BC158580  Prunus Alice Eastwood 1922-5-5 11295 Napa Mt. St. Helena Comment
  CDA11152  Prunus ilicifolia G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11563 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  UC12813  Prunus subcordata Willis L. Jepson 1893-5-8 Napa New Eden Napa River Basin Comment
  UC12814  Prunus subcordata W. L. Jepson 1891-6-1 Napa Vaca Mountains Comment
  UCD19309  Pseudognaphalium californicum M. A. Bibbo; E. Dean 2001-7-6 1 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.4 air miles from research station. E (upslope) side of the road. 365 Comment
  JEPS20447  Pseudognaphalium californicum Willis L. Jepson 1893-6-24 14741 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  CAS-BOT-BC357567  Pseudognaphalium stramineum Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD161687  Pseudognaphalium stramineum Jake Ruygt 2008-8-16 5367 Napa northeast of Napa Airport, Napa Sanitation ponds. 2 Comment
  UCD63177  Pseudognaphalium thermale Jake Ruygt 1988-8-14 2231 Napa Berryessa-Knoxville Rd. at Pope Canyon Road. 143 Comment
  UCD91500  Pseudoroegneria spicata B. Crampton 1961-6-13 s.n. Napa North end of Capell Valley, above Capell Creek along State Hwy. 128. Comment
  CAS-BOT-BC80149  Pseudotsuga menziesii Ira L. Wiggins 1928-3-24 2863 Napa Grade on old road to Lake Co. above Calistoga Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  RSA187448  Pseudotsuga menziesii John H. Thomas 1966-3-22 11534 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 610 Comment
  UC650501  Pseudotsuga menziesii var. menziesii Ira L. Wiggins 1928-3-24 2863 Napa grade on old road to Lake Co., above Calistoga Comment
  JEPS106885  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1990-4-21 2490 Napa Giles Mead Ranch, Atlas Peak Rd. 487 Comment
  UCD161254  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1982-5-12 1238 -a Napa Suscol Plain east of Kaiser Steel. (Coordinates estimated by label maker at UC Davis). 4 Comment
  CDA10857  Psilocarphus tenellus G. F. Hrusa, M. Rejmanek 1993-5-15 10952 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS106924  Psilocarphus tenellus Jake Ruygt 1993-4-12 3193 Napa Milton Road west of the Brazos Bridge a 0 Comment
  UCD73394  Pterostegia drymarioides Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UCR141075  Puccinellia simplex Beecher Crampton 1955-3-15 2327 Napa North Coast Range, 2 miles north of Calistoga, near Myrtledale Hot Springs 107 Comment
  UCD39141  Pyrrocoma racemosa Beecher Crampton 1964-8-18 7154 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  UC725507  Pyrrocoma racemosa var. racemosa A. A. Heller 1927-8-26 14466 Napa Calistoga Comment
  UC221335  Pyrrocoma racemosa var. racemosa H. M. Hall 1923-10-15 11949 a Napa near Calistoga; Martinsdale Spring Comment
  CAS-BOT-BC62710  Quercus X chasei J. M. Tucker 1954-9-23 2757 Napa beside Highway 37, 6.5 miles (by road) south of junction with Highway 28 Comment
  CAS-BOT-BC61809  Quercus agrifolia J. M. Tucker 1954-9-23 2757 Napa beside Highway 37, 6.5 miles (by road) south of junction with Highway 28 Comment
  SEINET3140984  Quercus agrifolia Unknown 1995-6-11 sn Napa Homestead Area of McCormick Ranch, approx. 1.1 mi N of Bald Mnt. in Sugar Loaf State Park, and roughly 7 mi W of St. Helena 549 Comment
  UCD118400  Quercus agrifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat, just south of main meadow. 387 Comment
  UCD149628  Quercus agrifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  CDA13773  Quercus berberidifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1994-10-29 s.n. Napa North Coast Biodiversity Arena; S side of Lake Hennessey at upper end of lake above Hwy 128. Comment
  CHSC47414  Quercus berberidifolia Lowell Ahart 1976-3-7 1024 Napa On steep hillsides, on the south side of the road and across a small stream, about 2 miles south-west of the Monticello Dam. 152 Comment
  JEPS116531  Quercus berberidifolia Jake Ruygt 1999-5-1 4144 Napa Blue Ridge above Goslin(g) Canyon. Lake Berryessa 7.5' Quad. Comment
  SFV17674  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 7 Napa Highway 28, 7.7 miles (by road) west of junction with Highway 37. Southeast-facing hillslope above Sage Creek. Comment
  UCD14677  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  UCD14679  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
  UCD14829  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -2 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14835  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -8 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD160571  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD45756  Quercus berberidifolia Beecher Crampton 1959-8-14 5435 Napa Markley Canyon, Vaca Mtns. Napa County. Comment
  CAS-BOT-BC62456  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  JEPS2952 Image available Quercus chrysolepis W. L. Jepson 1893-5-4 Napa summit Mt. St. Helena; Napa River Basin; Mt. St. Helena, Napa River Basin Comment
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  UCD14552  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -15 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  CAS-BOT-BC86435  Quercus dumosa John Thomas Howell 1933-8-27 11647 Napa E of Chiles Valley on road to Winters, Napa Range Comment
  CAS-BOT-BC79838  Quercus durata C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC79845  Quercus durata H. E. McMinn 386 Napa about 20 mi from Middletwon Comment
  SFV17680  Quercus durata J. M. Tucker, G. L. Stebbins, Jr. 1950-11-5 2007 30 Napa Beside road up Howell Mountain, 5.6 miles north of St. Helena. Comment
  UC762345  Quercus durata R. F. Hoover 1940-8-25 4542 Napa e side Mt. St. Helena Comment
  UCD14805  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -6 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14827  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -25 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14844  Quercus durata John M. Tucker 1950-11-12 2014 -22 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14845  Quercus durata John M. Tucker 1950-11-12 2014 -23 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149624  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Chiles Valley. Comment
  UCD45934  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  UCD45935  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  SBBG111357  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2007 -33 Napa Howell Mtn, N of St Helena Comment
  SBBG50713  Quercus durata var. durata D. Parson 1969-5-24 40 Napa W end of Capell Valley Comment
  UCD45884  Quercus durata var. durata John M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello-- Pope Valley Road, Napa County, California. Comment
  UCD45929  Quercus durata var. durata Thomas Morley 1941-5-11 130 A Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  JEPS37948  Quercus garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  UCD46060  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2358 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  UCD46061  Quercus garryana var. garryana J. M. Tucker 1952-9-20 2626 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  UCD46092  Quercus garryana var. garryana J. M Tucker 1952-4-22 2360 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  UCD46098  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2355 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. 335 Comment
  JEPS37757  Quercus kelloggii W. L. Jepson 1911-11-12 4764 Napa near Mt. Atlas; Napa Range Comment
  JEPS46698  Quercus kelloggii W. L. Jepson 1902-9-27 Napa St. Helena Comment
  RSA187425  Quercus kelloggii John H. Thomas 1966-3-22 11533 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 610 Comment
  SEINET2066834 Image available Quercus kelloggii Royal D. Suttkus 1967-6-26 67 -308 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  UCD46741  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  UCD118565  Quercus wislizeni Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  UCD47488  Quercus wislizeni John M. Tucker 1953-10-23 2688 Napa Roadside, east side of Highway 37, 1.5 miles south of junction with Highway 28, Steel Canyon, Napa County, California. Comment
  UCD47509  Quercus wislizeni D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD89690  Ranunculus aquatilis Paul A. Aigner 2004-4-10 s.n. Napa DFG Knoxville Wildlife Area, adjacent to McLaughlin Reserve, Foley Canyon. 635 Comment
  JEPS55059  Ranunculus aquatilis var. capillaceus Willis L. Jepson 1893-4-27 Napa Oak Knoll Napa River Basin Comment
  JEPS55055  Ranunculus aquatilis var. hispidulus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  JEPS55166  Ranunculus californicus W. L. Jepson 1904-6-3 2445 Napa Howell Mt. Comment
  RSA92786  Ranunculus californicus Peter H. Raven 1950-4-5 1712 Napa Silverado Trail, outside of Napa 15 Comment
  UCD95959  Ranunculus californicus David Lawfer 1952-3-15 119 Napa Napa. Comment
  RSA268176  Ranunculus californicus var. gratus Lyman Benson 1931-2-26 19 Napa Mayacamas, Napa Watershed, intergrading from lower edge of Mt St. Helena 213 Comment
  JEPS110877  Ranunculus hebecarpus Jake Ruygt 1979-4-13 509 Napa 10.1 miles east of Monticello RD. on HWY 128 170 Comment
  UCD96259  Ranunculus muricatus M. Wiesendanger 1926-4-1 1489 Napa Napa County. Comment
  CDA12063  Ranunculus occidentalis G. F. Hrusa, J. Messina 1989-3-3 5871 Napa North Coast Biodiversity Arena; Slopes around Lake Berryessa. This from along Hwy 128 entrance to Quail Ridge Reserve. Comment
  UCD49120  Ranunculus occidentalis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 1 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  RSA268386  Ranunculus occidentalis var. eisenii Lyman Benson 1935-2-25 6246 Napa S base Mt. St. Helena, Mayacamas Mt, Napa River. 244 Comment
  SBBG20752  Ranunculus occidentalis var. occidentalis H. and M. Dearing 1939-5-3 3266 c Napa near Napa Comment
  JEPS55062  Ranunculus orthorhynchus var. bloomeri Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  JEPS55192  Ranunculus pusillus W. L. Jepson 1921-5-6 9180 Napa Calistoga 109 Comment
  UCD160036  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  UCD160037  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 2 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. Collected near old mill foundation. 396 Comment
  UC2013271  Reseda luteola David Keil with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. Comment
  UCD116484  Reseda luteola K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCR129909  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville 122 Comment
  SEINET12210864  Rhamnus californica subsp. tomentella W. Knight, Knight, I. 1982-1 4554 Napa 0.5 mi W of Spanish Flat Comment
  SEINET12211102  Rhamnus californica subsp. tomentella F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -316 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek to Berryessa Estates 250 Comment
  JEPS42043  Rhamnus crocea Alice King Jul 1919 Napa Van Ness ranch Mt. St. Helena Region Comment
  SBBG14329  Rhamnus ilicifolia L. B. Hendrix 1962-5-5 41 Napa S end of Lake Berryessa Comment
  JEPS110666  Rhamnus tomentella subsp. crassifolia Jake Ruygt 1998-6-24 4060 b Napa Goslin Canyon, south of hunting camp. Comment
  RSA7865  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1928-2-25 1509 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  JEPS127861  Rhododendron occidentale Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 624 Napa North side of Knoxville-Devilhead Road Comment
  UC796459  Rhododendron occidentale Ira L. Wiggins 1949-4-20 12093 Napa near the Lake County line (on ne slopes of Mount St. Helena); Mount St. Helena Comment
  UCD20690  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 2 Napa Napa County, Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank, 50' SE of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. Comment
Read comments
Sep 15 2007
  UCD20691  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 3 Napa Napa County, NE side of Butts Canyon Rd. along NE side of Butts Creek, at Napa 19.75 marker. In 5' of low water, crowns 1-2' above low water, submerged 1.5-3' at flood levels. Comment
  RSA52661  Rhododendron occidentale var. californicum I. L. Wiggins 1949-4-30 12093 Napa On northeastern slope of Mount St. Helena, near lake county line Comment
  CAS-BOT-BC200648  Rhus aromatica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC200649  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pope Creek Canon [Canyon] Comment
  JEPS66270  Rhus trilobata W. L. Jepson 1924-5-8 10411 Napa near mouth of Pope Creek (w side of Berryessa Valley); Berryessa Valley Comment
  UC11500  Ribes californicum Willis L. Jepson 1893-5-2 Napa near Palisades; Napa River Basin, New Pope Valley grade Comment
  JEPS129079  Ribes californicum var. californicum Jake Ruygt 2016-4-5 6176 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC921821  Ribes malvaceum Milo S. Baker 1931-4-1 5096 Napa in canyon 5 mi ne Napa (on Monticello road, n side) Comment
  CAS-BOT-BC168757  Ribes victoris Frederick V. Coville 1925-3-25 35 Napa South fork of the canyon on the Niebaum place, about a mile directly west of Rutherford. Comment
  RSA84971  Ribes victoris var. greenianum J. T. Howell 1940-5-19 15450 Napa Upper St. Helena Creek. Comment
  CAS-BOT-BC363045  Rigiopappus leptocladus Glen Holstein 1977-5-11 s.n. Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley Comment
  JEPS106864  Rigiopappus leptocladus Jake Ruygt 1986-4-26 1731 Napa east of Wragg Canyon resort, Blue Ridge 304 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
  CAS-BOT-BC74595  Rorippa curvisiliqua Peter H. Raven 1952-5-29 4079 Napa Napa River 1 mile north Napa. 60 Comment
  JEPS53865  Rorippa curvisiliqua Willis L. Jepson 1893-4-25 13375 Napa Edge Hill near St. Helena (Napa River Basin); , near St. Helena Comment
  UC10724  Rorippa curvisiliqua Willis L. Jepson 1893-4-27 Napa Veteran's Home , Veteran's Home (Napa River Basin) Comment
  CHSC103005  Rorippa curvisiliqua var. orientalis Lowell Ahart 2009-10-12 16434 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC147536  Rosa californica Peter H. Raven 1952-8-26 5146 Napa Railway 3/4 mi. w. of Buchli Sta. 30 Comment
  RSA8545  Rosa californica J. T. Howell 1933-8-27 11649 Napa Chiles Valley, Napa Range Comment
  SBBG3086  Rosa californica J. M. Tucker 1941-9-20 403 Napa mtns between Monticello and Pope Valley Comment
  CAS-BOT-BC148154  Rosa gymnocarpa Peter H. Raven 1950-5-6 2035 Napa S. limits of Calistoga, on Rt. 28 60 Comment
  POM275408  Rosa spithamea Lyman D. Benson 1929-9-30 1931 Napa N side Mt. St. Helena. Mayacamas Mtns. Putah Creek watershed. 762 Comment
  UCD17673  Rubus H. Olmo; T. S. Mallah 1953-4-3 53 35 Napa California. Napa County: near Redwood Lodge, along road south of Calistoga. Growing in wet, swampy ground. Comment
  CAS-BOT-BC156589  Rubus bifrons Peter H. Raven 1952-5-29 4075 Napa Napa River 1 mi. n. Napa 60 Comment
  CAS-BOT-BC156912  Rubus ursinus Alice Eastwood 1918-5-2 6878 Napa Calistoga Comment
  CAS-BOT-BC156913  Rubus ursinus Peter H. Raven 1964-5-9 19071 Napa Along dirt road 2 miles west of Aetna Springs Comment
  UCD114003  Rubus ursinus Heidi E. M. Dobson 1978-4-8 303 Napa East slope of Mt. Veeder. Comment
  UCD41469  Rumex Ellen Dean; Deborah Canington 2003-3-1 1366 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along Decker Bay Trail, right along stream. 176 Comment
  JEPS110763  Rumex acetosella Jake Ruygt 1982-5-26 1299 Napa south of Robert Louis Stevenson Park toward Palisades 839 Comment
  CDA34676  Rumex maritimus L. Ahart 2009-10-27 16493 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 miles (air) northwest of Winters. Comment
  CAS-BOT-BC433758  Rumex pulcher Peter H. Raven 1952-5-31 4099 Napa Yountville 30 Comment
  UCD149041  Rumex salicifolius Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8187 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  CAS-BOT-BC434078  Rumex transitorius Peter H. Raven 1951-9-9 3892 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  CAS-BOT-BC434079  Rumex transitorius Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  SBBG115747  Rupertia physodes B. Crampton 1953-5-19 1301 Napa Hwy 128, ca. 9 mi E of Rutherford Comment
  UCD39196  Rupertia physodes Beecher Crampton 1953-5-19 1301 Napa 9 miles east of Rutherford. Along Hwy. 128. Comment
  RSA170398  Rupertia physodes J. D. Olmsted 5058 Napa Cold Creek; 150 yds above road by Monticello Dam, Vaca Mtns. Comment
  SEINET3269560 Image available Rupertia physodes M. F. Wojciechowski, K. P. Steele 2000-5-20 889 Napa Along CA 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  UC441322  Ruppia maritima Milo S. Baker Aug 1900 Napa near S.P.R.R. over Napa River Comment
  UC1103529  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1902-5-16 1503 Napa 3 - 4 mi. e. Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt., Moore's Creek 365 Comment
  CDA24079  Sagina procumbens Gene Cornett 1963-5-21 Napa Mid City Nursery, 3635 Broadway, Vallejo. 0 Comment
  JEPS120391  Sagina subulata Jake Ruygt 1979-5-14 592 Napa Trefethen Winery, Oak Knoll Comment
  UC186590  Salicornia virginica C. F. Sonne Apr 1887 Napa near Junction Comment
  POM203578  Salix I. L. Wiggins 1932-3-12 5752 Napa N fork of the Napa River. 1 mile N of Calistoga. 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-BC108667  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon Road to Middletown. Comment
  UC517434  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon Napa Range Comment
  UCD170813  Salix eastwoodiae 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. Along drainage leading to Maxwell Creek. 166 Comment
  POM202753  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  RSA26496  Salix exigua L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  RSA92782  Salix exigua Peter H. Raven 1952-5-31 4109 Napa Strand of Conn Creek. E of Yountville. 46 Comment
  UC483319  Salix exigua var. hindsiana Ira L. Wiggins 1932-3-12 5756 Napa 1 mi n Calistoga; N. Fork Napa R. Comment
  CAS-BOT-BC108198  Salix hindsiana Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  CAS-BOT-BC108199  Salix hindsiana Peter H. Raven 1951-6-26 3045 Napa Sarco Ck. E of Napa 60 Comment
  CAS-BOT-BC108200  Salix hindsiana Peter H. Raven 1951-5-6 2810 Napa Flood plain Conn Creek 2.5 miles from Rutherford to Conn Dam 48 Comment
  JEPS38399  Salix laevigata Willis L. Jepson 1893-5-8 20 s Napa beyond Angwin's Howell Mt. Comment
  UCD73497  Salix laevigata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC483317  Salix lasiandra subsp. lasiandra Ira L. Wiggins 1932-3-12 5750 Napa 1 mi. n. Calistoga (N. Fork Napa R.); N. Fork Napa R. Comment
  CAS-BOT-BC107047  Salix lasiolepis C. R. Ball; Harold E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  JEPS13832  Salix lasiolepis Willis L. Jepson 1903-9-6 2346 Napa St. Helena; Napa River Basin Comment
  POM220467  Salix lasiolepis Carleton R. Ball, Harold E. Parks 1931-2-17 17 -b Napa 1 mile NW of Calistoga. Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC1356333  Salix lasiolepis Theodore J. Crovello 1964-4-15 420 Napa along w side of Silverado Trail 4 mi nw junction with California Hwy. 128 Comment
  UC519393  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  CAS-BOT-BC124411  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-8-20 3859 Napa Acacia Lookout nr. Lokoya 426 Comment
  CAS-BOT-BC176909  Salsola tragus Peter H. Raven 1952-9-14 5186 Napa Napa State Game Farm 121 Comment
  HSC43975  Salvia columbariae Robert M. Specht 1977-4-19 687 Napa Along drainage running NE from Adams Creek 518 Comment
  UCD68004  Sambucus mexicana Bill Wengeler 1995-4-30 S.N. Napa Highway 128, 0.2 miles West of Monticello Dam, above Lake Berryessa. Found on open hillside overlooking the lake. Shrub, 10 ft. high. Flowers, cream, flat-topped inflorescence. 158 Comment
  UCD102769  Sambucus nigra subsp. caerulea Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
  UCD47961  Sambucus nigra subsp. caerulea Ryan Knox; E. McDermott, and G. Walden 2002-4-13 3 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, near Knoxville Creek. 432 Comment
  JEPS112609  Samolus parviflorus Jake Ruygt 1987-7-13 2070 Napa west bank Napa River just south of Lincoln St. 2 Comment
  POM180781  Sanguisorba minor J. T. Howell 1930-7-13 5366 Napa Upper Napa Valley Comment
  JEPS45507  Sanguisorba minor subsp. muricata Ethyl K. Crum 1930-7-13 813 Napa near Calistoga; near Calistoga Comment
  CAS-BOT-BC223275  Sanicula bipinnatifida David D. Keck 1933-5-28 2332 Napa Howell Mountain, north side, 1 mile above Pope Valley P.O. Comment
  UCD148828  Sanicula bipinnatifida Ellen Dean; Diana Hickson 2014-4-29 8133 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD169881  Sanicula bipinnatifida Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 721 Napa Knoxville Wildlife Area. 352 Comment
  UCD18367  Sanicula bipinnatifida R. Wenk 2000-5-14 2 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD83722  Sanicula bipinnatifida Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 1 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 185 Comment
  UCD169889  Sanicula crassicaulis Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 729 Napa Knoxville Wildlife Area. 311 Comment
  UCD18157  Sanicula crassicaulis Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  CDA38524  Sanicula crassicaulis T. C. Fuller 1958-5-1 3712 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  JEPS104490  Scandix pecten-veneris Jake Ruygt 1991-9-27 2846 Napa Willis Drive, Napa 15 Comment
  SEINET7072531  Scandix pecten-veneris 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
  UCD118610  Scandix pecten-veneris William Goss; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 Comment
  UCSC000537  Scandix pecten-veneris C. F. Sonne April 1888 s.n. Napa First found in N. America in wheatfield near Napa Junction Comment
  UCD128060  Scandix pecten-veneris C. G. Baughn 1949-4-24 20 Napa State Highway 12, 3.25 miles northwest of Cordelia. Comment
  CAS-BOT-BC111446  Schoenoplectus californicus Peter Raven 1951-9-9 3901 Napa Slaugterhouse Pt., Napa River 0 Comment
  JEPS121365  Scirpus cernuus Jake Ruygt 1986-7-23 1888 Napa East end of Marina Drive, Napa. Comment
  CAS-BOT-BC240026  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  POM261557  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  UC1125698  Scrophularia californica A. Lewis 1932-5-17 85 Napa Sarcos Canyon; Napa Quadrangle 152 Comment
  UC1713646  Scutellaria siphocampyloides Goff and Calvi 1936-5-1 Napa 5.5 mi from Napa (on Monticello Road up old wagon road 1/4 mi, (then left to on top of ridge near eucalyptus tree)); North Bay Counties Comment
  UCD149716  Sedella pumila Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  CAS-BOT-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-BC63831  Sedum spathulifolium Alice Eastwood 1915-6-6 4692 Napa Mt. St. Helena Comment
  JEPS103970  Selaginella wallacei Jake Ruygt 1992-7-4 3068 Napa East side of Mt. George (Lair property) Wild Horse Valley. 417 Comment
  POM197729  Selaginella wallacei John Thomas Howell 1930-3-23 4557 Napa E of Mt St Helena Inn, near Mt St Helena. Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 Comment
  CDA33482  Senecio clevelandii Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  RSA15117  Senecio eurycephalus J. T. Howell 1935-5-12 12626 Napa Pope Creek Canyon one mile below Samuels Springs. Comment
  UCD135861  Senecio vulgaris M. R. Wanzer 1948-3-18 2 Napa Putah Creek Canyon, 12 miles west of Winters. Comment
  JEPS126081  Sesbania punicea Jake Ruygt 1992-6-1 3008 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  CAS-BOT-BC243632  Setaria pumila Peter H. Raven 1952-9-14 5184 Napa Napa State Game Farm 121 Comment
  JEPS120340  Sidalcea diploscypha Jake Ruygt 1991-5-25 2694 Napa Paradise Valley. Jericho Valley 7.5' Quad. Comment
  JEPS50095  Sidalcea diploscypha W. L. Jepson 1938-5-22 18822 Napa Snell Valley Comment
  UC146121  Sidalcea diploscypha J. P. Tracy 1902-5-21 1576 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain, e of Angwin's 365 Comment
  JEPS110708  Sidalcea hartwegii Jake Ruygt 1989-6-6 2364 b Napa 4.5 miles north of Monticello Rd. on Atlas Peak Rd. 448 Comment
  CHSC83385  Sidalcea keckii L. P. Janeway; B. Castro 2002-5-12 7536 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  RSA537732  Sidalcea keckii Barbara Ertter, Annetta Carter 1989-5-28 8500 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
Read comments
Apr 29 2008
  UCD149641  Sidalcea keckii Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  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
  UCD116622  Sidalcea keckii James W. Katberg Jr. 1966-5-11 48 Napa 7 miles southeast of Knoxville, Berryessa Road. Comment
  JEPS110722  Sidalcea malviflora subsp. laciniata Jake Ruygt 1982-3-26 1150 Napa Suscol ridge SE of Rocktram 18 Comment
  JEPS106736  Silene antirrhina Jake Ruygt 1989-6-3 2360 Napa about 3/4 mile south of Monticello Dam 390 Comment
  JEPS106737  Silene antirrhina Jake Ruygt 1996-5-14 3694 Napa White Cliff Springs; Elder Valley; PG+E property to S. 414 Comment
  JEPS106851  Silene californica Jake Ruygt 1981-5-13 1022 Napa .2 miles east of Flosden Rd. on north side American Canyon 164 Comment
  JEPS50936  Silene gallica W. L. Jepson 1923-4-29 9893 Napa St. Helena 91 Comment
  UCD48861  Silene gallica K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Down slope of West Rd., ca. 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd. Comment
  UCR212283  Silene multinervia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD47952  Sisymbrium officinale M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 7 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 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
  RSA503179  Sisyrinchium bellum Gary D. Wallace 1967-5-27 770 Napa Northwest of St. Helena on Howell Moutain Road 2 miles west of Pacific Union College and Angwin Comment
  RSA201767  Sisyrinchium bellum Dave Warfield 1964-5-8 20 Napa State Highway 128, 5.3 miles southwest of Monticello Dam Comment
  SEINET4171053  Sisyrinchium bellum Unknown 1963-4-27 Napa State Hwy 128, .5 mile S. of Lake Berryessa. 396 Comment
  JEPS113973  Smilax californica Jake Ruygt 1999-5-30 4175 Napa Sulphur Creek about 1/2 mile below the resort. Rutherford 7.5' Quad. Comment
  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
  HSC100739  Solanum rostratum Lowell Ahart 2009-10-27 16494 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
  JEPS110747  Solanum rostratum Jake Ruygt 1996-9-14 3785 Napa 1.9 miles north of Sage Canyon Road on Lower Chiles Valley R 298 Comment
  JEPS110918  Solanum rostratum Jake Ruygt 1984-6-30 1579 Napa Pope Valley Middle Rd. 195 Comment
  RSA755379  Solanum rostratum L. Ahart 2009-10-27 16494 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  CAS-BOT-BC231733  Solanum umbelliferum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  UC1301158  Solanum umbelliferum Helen K. Sharsmith 1963-3-17 5214 Napa s side of Mount Atlas Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC26280  Solanum umbelliferum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  OBI9134  Solanum umbelliferum R. L. Hoover 1968-4-11 21 Napa 1 block W of hwy 1 on Palm Ave, Marina Comment
  CAS-BOT-BC365372  Solidago elongata John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC365097  Solidago velutina subsp. californica Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UC1299294  Solidago velutina subsp. californica Freed W. Hoffman 1946-8-20 1267 Napa Hunting Creek North Coast Ranges, Napa-Lake County Line, Hunting Creek (Napa-Lake County Line, North Coast Ranges) Comment
  CDA29133  Sonchus asper D. G. Kelch, Daniel Weinstein 2009-6-21 9 .447 Napa Near Skyline Park. Comment
  RSA474085  Sonchus asper P. H. Raven 1965-5-15 20201 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  CHSC102297  Sonchus asper subsp. asper Lowell Ahart 2009-10-12 16429 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CAS-BOT-BC374657  Sonchus oleraceus Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC235281  Sorghum bicolor R. E. Frenkel 1963-10-27 287 Napa On both sides of Silverado Road, 2.5 miles north of Conn Dam turn-off Comment
  CAS-BOT-BC389923  Spergula arvensis John Thomas Howell 1926-3-20 1690 Napa Near Calistoga Comment
  CAS-BOT-BC390058  Spergularia John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  UCD99232  Spergularia macrotheca var. leucantha S. Galen Smith; J. Anderson 1957-6-7 2957 Napa Myrtledale Hot Springs, 1.5 miles north of Calistoga. 121 Comment
  CAS-BOT-BC390246  Spergularia macrotheca var. leucantha A. A. Heller 1924-4-12 13849 Napa Near one of the hot springs at Calistoga Comment
  CAS-BOT-BC390292  Spergularia macrotheca var. longistyla Alice Eastwood; John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs Comment
  CAS-BOT-BC390293  Spergularia macrotheca var. longistyla Alice Eastwood; John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs Comment
  JEPS64519  Spiranthes porrifolia W. L. Jepson 1936-7-3 17632 Napa Four Corners Napa Range, Howell Mt. Comment
  SEINET9316274  Stachys ajugoides Unknown 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Road, ca. 400 feet as the crow flies NNW of jct of West Rd and South Decker Canyon Rd. Shaded north facing slope. Within dense Quercus wislizeni and Cercis occidentalis woodland. Found 2 m off of road down slope along a dry streambed. Locally abundant and associated with Toxicodendron diversilobum. Comment
  JEPS62967  Stachys ajugoides var. rigida Willis L. Jepson 1894-5-3 14967 Napa St. Helena Napa River Basin Comment
  JEPS100864  Stachys albens Dean W. Taylor 2000-6-29 17469 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  JEPS62998  Stachys albens Willis L. Jepson 1897-7-12 14970 Napa Samuel's Springs to Aetna Springs Comment
  UCD166639  Stachys stricta Jake Ruygt 1992-7-22 3109 Napa south end of Wooden Valley, on Wild Horse Valley Ranch. 179 Comment
  UCD170367  Stipa miliacea var. miliacea Daniel Potter; N Khuu, K Battenberg 2016-4-30 865 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  UCD161865  Streptanthus James A. Neilson Jr. 1979-6-30 3981 Napa Knoxville. Serpentine ridge forming south west side of Manhattan Mine. (Manhattan Mine is now known as Homestake McLaughlin Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  UC956499  Streptanthus barbiger Freed W. Hoffman 1947-9-11 1070 Napa Spring Mountain Road North Coast Ranges 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
  JEPS100377  Streptanthus breweri Dean W. Taylor 2001-5-15 17658 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS129030  Streptanthus breweri Jake Ruygt 2015-6-13 6134 Napa Fernandes-Snell Peak, Land Trust. Aetna Spring 7.5' Quad. Comment
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  UC518933  Streptanthus breweri var. breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge s Walters Springs (roadbank) Comment
  UC630658  Streptanthus breweri var. breweri John L. Morrison and G. Ledyard Stebbins Jr. 1938-5-20 3035 Napa about 0.7 mi w Knoxville (on road to Lower Lake); Middle North Coast Ranges 457 Comment
  CAS-BOT-BC87151  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Napa Range. Pope Creek Canyon, 8 miles from Monticello. Comment
  CAS-BOT-BC87161  Streptanthus glandulosus subsp. glandulosus J. F. Emmel 1970-4-19 266 Napa Along powerline firebreak, 0.2 air mile southwest of Walter Springs. 320 Comment
  JEPS106601  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1991-5-18 2681 Napa above Cooksley Lake, Friesen's Lakes 685 Comment
  JEPS54003  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1894-5-1 13411 Napa ridge opposite mouth of Conn Valley; Napa River Basin Comment
  UC630660  Streptanthus glandulosus subsp. glandulosus John L. Morrison and Florence L. Morrison 1938-5-25 3001 Napa along Knoxville-Lower Lake road ca 0.7 mi from Knoxville (open s and sw slopes) Comment
  UC735050  Streptanthus glandulosus subsp. glandulosus Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3049 Napa se slope of mt. near old inn; Mount St. Helena Comment
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Jun 19 2014
  UC956575  Streptanthus glandulosus subsp. glandulosus Freed W. Hoffman 1949-5-10 2776 Napa along pipeline about 2 mi below Conn Dam; North Coast Ranges Comment
  UC596387  Streptanthus hesperidis R. F. Hoover 1938-6-11 3602 Napa Knoxville ridge Comment
  UCD116022  Streptanthus hesperidis Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties, Butts Canyon. Comment
  UCD116024  Streptanthus hesperidis Robert E. Preston 1987-5-9 556 Napa north side of Morgan Valley Road, 2.7 miles north of its junction with Pope Valley Road. [Correction from Rob Preston, 2014, north side of Knoxville-Berryessa Road, 2.7 miles north of its junction with Pope Valley Road.] 182 Comment
  UCD74409  Streptanthus hesperidis Jake Ruygt 2007-6-23 5236 Napa Las Posadas State Forest, north of Recreation Flat. 405 Comment
  CAS-BOT-BC87331  Streptanthus hesperidis Roger Raiche 1986-5-5 60209 Napa Near Yolo county line. Morgan Valley area, Reif-Rayhouse Road ca. 0.1 mile west of county line. 743 Comment
  UCD170472  Streptanthus morrisonii Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 901 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 477 Comment
  UC1292644  Streptanthus morrisonii subsp. elatus A. R. Kruckeberg 1947-9-3 1571 Napa outcrop on low saddle 1/4 mi w White's Point (Table Mountain Rd ca 5 mi e of Mountain Mill house, Napa-Lake Co. line) Comment
  UC1224684  Swertia albicaulis var. nitida G. Ledyard Stebbins 1964-5-24 6156 Napa about 0.5 mi w Corona Mine (Calistoga Quad.) (in hills w of Aetne Springs) 670 Comment
  SBBG83707  Symphoricarpos mollis B. Wych 1975-5-29 33 Napa 2.1 mi N of intersection of St Hwy 128 and Wragg Cyn Rd Comment
  CAS-BOT-BC98079  Symphyotrichum lentum John Thomas Howell 1932-10-8 10797 Napa 7 miles south of Napa Comment
  JEPS40793  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  UC165065  Symphyotrichum spathulatum Joseph P. Tracy 1904-5-23 2081 Napa near, (Napa Valley) Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS40827  Symphyotrichum spathulatum W. L. Jepson 1939-9-12 19482 Napa 1 mi w of summit, w side Spring Mountain (w of St. Helena) 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
  CAS-BOT-BC221921  Taeniatherum caput-medusae Peter H. Raven 1952-5-26 4055 Napa 3 mi. e. Pope Valley P.O. on Monticello Rd. 182 Comment
  UCD19337  Taeniatherum caput-medusae M. A. Bibbo; E. Dean 2001-7-6 29 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just south of powerline, ca. 0.5 air miles from jct of W and E roads, on top of ridge. 259 Comment
  UCD21544  Taraxacum officinale B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  UC162793  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1586 Napa 3-4 mi Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 304 Comment
  JEPS106595  Thelypodium brachycarpum Jake Ruygt 1982-6-15 1325 Napa Devilshead Rd. area north of Cedar Creek on road to Hunting Cr 387 Comment
  UC1195653  Thelypodium brachycarpum J. Rattenbury Jun 1949 Napa just w Knoxville (on Lower Lake-Knoxville Road) Comment
  JEPS65662  Thermopsis californica var. californica Willis L. Jepson 1895-4-27 13584 Napa Union Station Napa Valley, Napa River Basin Comment
  SBBG115391  Thermopsis californica var. californica T. Adams 1998-5-10 17 Napa 6 mi up Soda Cyn Rd Comment
  UCSB7191  Thermopsis gracilis Keator, Glenn 1959-3-28 Napa About 1/2 mile above Conn's picnic grounds near Lake Hennessy, Napa range Comment
  CAS-BOT-BC66480  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4575 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66482  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6084 Napa Summit of Wooden Valley Grade. 8 miles east of Napa. Comment
  CAS-BOT-BC66500  Thysanocarpus curvipes Alice Eastwood 1918-5-2 6875 Napa Calistoga. Comment
  CAS-BOT-BC66516  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa Grade on old road to Lake county above Calistoga. Comment
  JEPS106590  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2882 Napa Tuteur Ranch, end of Green Valley Rd. 365 Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  CAS-BOT-BC66502  Thysanocarpus curvipes Peter H. Raven 1953-4-2 5274 Napa Hill west of Tulucay Creek. 243 Comment
  JEPS54175  Thysanocarpus curvipes W. L. Jepson 1923-4-29 9895 Napa St. Helena; Little flat on border of foothills 91 Comment
  UC11016  Thysanocarpus curvipes Willis L. Jepson 1894-5-1 Napa Conn Valley grade Conn Valley grad (Napa River Basin); , Conn Valley grade Comment
  RSA233099  Thysanocarpus curvipes var. curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles N of Calistoga on road to Lakeport. Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  CDA12106  Thysanocarpus radians G. F. Hrusa 1989-4-24 5962 Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  CHSC27762  Thysanocarpus radians Ethel Pearson 1978-3-24 3 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  CAS-BOT-BC67313  Thysanocarpus radians John Thomas Howell 1931-4-2 6107 Napa 4 miles from Monticellos on Wooden Valley Road, Napa Range. Comment
  UCD36171  Thysanocarpus radians Beecher Crampton 1952-3-24 1032 Napa 8 miles north of city of Napa, on Soda Springs Road. Comment
  UCD159916  Torilis arvensis Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  RSA10626  Torreya californica C. B. Wolf 1928-5-4 1865 Napa Upper slopes of Mount St. Helena Comment
  UCD133451  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1203 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  UCD135177  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Beside Highway 29, east side of Mt. St. Helena, 1 mile north of summit of road. Comment
  CAS-BOT-BC85167  Torreya californica Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5330 Napa Soda Creek, e. of Chiles Valley 137 Comment
  UCD160789  Toxicoscordion fontanum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8669 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD19957  Toxicoscordion fontanum E. A. Dean; Virginia Boucher 2002-2-28 896 Napa Quail Ridge Reserve. Along West Rd. 0.9 airline miles NNW of junction of West Rd. and Decker Canyon Trail. 243 Comment
  UCD160725  Toxicoscordion micranthum Ellen Dean 2015-5-23 8777 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
  CAS-BOT-BC377108  Tragopogon porrifolius Elsa Ruckert 1960-5-7 144 Napa 6495 Dry Creek Road 365 Comment
  JEPS63145  Trichostema laxum W. L. Jepson 1930-10-19 15692 Napa 3 1/2 mi N of Aetna Springs (Butts Canyon) Comment
  JEPS63150  Trichostema laxum Alice King Jul 1919 Napa Van Ness ranch, Mt. St. Helena Comment
  JEPS120351  Trichostema ruygtii Jake Ruygt 2004-8-14 4644 Napa Northwest of Buzzards Roots, north end of Stags Leap. Yountville 7.5' Quad. 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
  UC924218  Trifolium albopurpureum var. albopurpureum H. S. Reed 1939-4-16 234 Napa Napa Hills Comment
  JEPS106691  Trifolium albopurpureum var. dichotomum Jake Ruygt 1995-4-17 3427 Napa end of Niebaum Rd., Bear Canyon. 103 Comment
  JEPS65846  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-5-2 13663 Napa e Calistoga (Palisades, near summit of New Pope Valley Grade); Napa River Basin Comment
  JEPS65847  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1894-5-1 13637 Napa Conn Valley Napa River Basin Comment
  UC137700  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1999 Napa St. Helena Comment
  UCD107885  Trifolium bifidum R. Tofsrud 1951-5-20 s.n. Napa Yountville Cemetery. Comment
  UCD48025  Trifolium bifidum J. Pierner; S. Burgess, A. Hufton, A. Ryan, and B. Takahashi 2000-4-29 12 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 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
  JEPS129083  Trifolium bifidum var. decipiens Jake Ruygt 2016-4-16 6191 Napa Smitty Ranch, east of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS129177  Trifolium bifidum var. decipiens Jake Ruygt 2015-4-25 6083 c Napa Missimer - Snell Valley Preserve. Yountville 7.5' Quad. Comment
  UC1197202  Trifolium ciliolatum Joseph P. Tracy 1899-6-14 395 Napa 3-4 mi e Angwin (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 518 Comment
  POM182743  Trifolium ciliolatum D. D. Keck 1931-4-2 1041 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  JEPS106801  Trifolium depauperatum var. depauperatum Jake Ruygt 1978-4-9 273 a Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UC165570  Trifolium depauperatum var. stenophyllum H. P. Chandler 1907-4-21 7522 Napa side of summit Comment
  POM126289  Trifolium depauperatum var. truncatum C. F. Sonne 1887-04 s.n. Napa [Unspecified] Comment
  UCD108528  Trifolium depauperatum var. truncatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  RSA10688  Trifolium dichotomum Carl B. Wolf 1928-5-3 1799 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA653959  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD170821  Trifolium dichotomum 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD33087  Trifolium dichotomum Beecher Crampton 1966-5-10 7712 Napa 4 miles NW of Moskowite Corner on State Hwy. 128. Comment
  UCD109729  Trifolium dichotomum P. B. Kennedy 1903-4-20 s.n. Napa Mt. St. Helena. Comment
  UCD118747  Trifolium dubium Katherine Graham; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, along oak woodland. 388 Comment
  UCD41327  Trifolium dubium Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  UCD48980  Trifolium dubium Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near drainage by dilapidated buldings. 152 Comment
  UCD83444  Trifolium dubium Jake Ruygt 1991-6-10 2714 Napa Lake Henne, Friesen's Lakes. 553 Comment
  UCD78056  Trifolium fragiferum Robert E. Preston 2005-8-17 2367 Napa Ca. 1 mile NW of Napa Junction. 14 Comment
  UCD83445  Trifolium fucatum Jake Ruygt 1989-5-9 2317 Napa American Canyon, Avilla Ranch. 60 Comment
  POM262789  Trifolium fucatum var. fucatum J. C. Roos 1939-4-15 279 Napa Pope Valley Comment
  JEPS106811  Trifolium glomeratum Jake Ruygt 1983-5-1 1449 b Napa Suscol Ridge east side of HWY 29 (221) 28 Comment
  UCD38821  Trifolium microcephalum Beecher Crampton 1958-4-29 4757 Napa Capell Valley. Comment
  SEINET7389541  Trifolium microcephalum K. Suhr 1967-3-24 s.n. Napa Steele Park Resort, south shore of Lake Berryessa. Comment
  JEPS129162  Trifolium microdon Jake Ruygt 2015-3-28 6058 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  UC160905  Trifolium microdon Joseph P. Tracy 1903-5-15 1840 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD149707  Trifolium microdon Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UC160934  Trifolium variegatum Joseph P. Tracy 1902-5-17 1524 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  UC160935  Trifolium variegatum Joseph P. Tracy 1902-5-17 1525 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mtn 457 Comment
  POM216217  Trifolium variegatum var. melananthum D. D. Keck 1933-5-28 2336 Napa Between Pope Valley P.O. and Walters Springs. Comment
  UC16765  Trifolium variegatum var. variegatum Willis L. Jepson 1894-5-1 Napa Conn Valley Comment
  CHSC79317  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa East slope of Wragg Canyon. Comment
  RSA10702  Trifolium willdenovii Carl B. Wolf 1928-5-3 1785 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC16759  Trifolium willdenovii H. P. Chandler 1900-4-7 Napa Rutherford Comment
  UCD149706  Trifolium willdenovii Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD33569  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa Napa County, east slope of Wragg Canyon. Comment
  JEPS66077  Trifolium wormskioldii W. L. Jepson 1893-6-26 13654 Napa Howell Mt. Comment
  CAS-BOT-BC520827  Trillium albidum Peter H. Raven 1950-4-15 1734 Napa Napa: Wooden Valley Comment
  JEPS106581  Triodanis biflora Jake Ruygt 1996-5-14 3690 Napa White Cliff Springs; Elder Valley; (Sabini property). 347 Comment
  UCD167132  Triodanis biflora Jake Ruygt 2015-5-23 6114 Napa Missimer - Snell Valley Preserve. 178 Comment
  SEINET13750232  Triphysaria eriantha M. J. Williams 1967-5-7 s. n. Napa Pope Valley. 198 Comment
  JEPS16798  Triphysaria eriantha subsp. eriantha Rimo Bacigalupi with John Dawson 1955-4-25 4846 Napa near junction of Lower Lake road with Calif. Highway 128 in Monticello Valley; field in Monticello Valley 94 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
  UCD123416  Triphysaria versicolor subsp. faucibarbata Gerald D. Carr; R. F. Denno 1971-5-13 546 Napa 1.5 miles northwest of Pope Valley on Pope Valley Road. Comment
  UCD123417  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1950-5-7 570 Napa south of Yountsville, Napa Valley. 45 Comment
  CAS-BOT-BC199578  Trisetum canescens Peter H. Raven 1952-5-31 4156 Napa Rector Dam 152 Comment
  UCD18487  Triteleia clementina P. J. Plummer 1995-5-27 s.n. Napa exact location unknown. 335 Comment
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Jul 16 2018
  UC657698  Triteleia hyacinthina M. Wiesendanger 1928-4-5 867 Napa Calistoga Comment
  UCD83726  Triteleia hyacinthina Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 5 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 198 Comment
  JEPS110929  Triteleia laxa Jake Ruygt 1986-4-19 1713 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 36 Comment
  UCD102761  Triteleia laxa Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 180 Comment
  UCD68005  Triteleia laxa Bill Wengeler 1995-4-16 s.n. Napa long Knoxville Road, approximately 4 miles North of Highway 128. 177 Comment
  RSA0009491  Triteleia laxa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD139404  Triteleia laxa Eric S. Nagy 1990-4-15 2 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  UCD21718  Triteleia laxa Robin McMaster 1972-4-9 49 Napa Lake Berryessa, shaded grassy slope. Comment
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Dec 18 2011
  UCSB826  Triteleia laxa Keator, Glenn 1958-6-16 Napa Just east of Lake Hennessy, Napa range Comment
  JEPS110926  Triteleia lugens Jake Ruygt 1992-5-6 2950 Napa south of Mitten Lakes, Wild Horse Valley Ranch 414 Comment
  JEPS110927  Triteleia lugens Jake Ruygt 1999-5-22 4168 Napa Livermore Ranch on road south of White Point. 819 Comment
  RSA123617  Triteleia lugens Milo S. Baker 1942-5-7 10192 Napa Divide between Santa Rosa & Napa Valley at point west of St. Helena town, near summit of Spring Mountain road Comment
  JEPS5667  Triteleia peduncularis W. L. Jepson 1938-6-8 18892 Napa South Fork Butts Creek Comment
  UC1278003  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa above Capell Creek (n end of Capell Valley); , n end Capell Valley Comment
  UCD63053  Triteleia peduncularis Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  CDA21069  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11461 Napa Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway, 518 Comment
  UCD162094  Umbellularia californica Dylan O. Burge 2014-3-15 1491 Napa Mount Saint Helena. Comment
  JEPS35616  Uropappus lindleyi Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  UCD170678  Uropappus lindleyi 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
  UCD20427  Uropappus lindleyi E. Dean; w/ PLB 102 class 2002-5-4 1014 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  CAS-BOT-BC404185  Urtica dioica subsp. holosericea Peter H. Raven 1952-6-28 4208 Napa Conn Cr. below Dam 121 Comment
  JEPS43440  Urtica dioica subsp. holosericea W. L. Jepson 1894-11-7 Napa below Napa City Comment
  JEPS11184  Verbascum blattaria W. L. Jepson 1930-10-19 15681 Napa stream bed of Conn Creek at Sage Canyon mouth; , streambed of Conn Creek Comment
  UC27672  Verbascum blattaria Mrs. D. O. Hunt 1899-6-13 Napa St. Helena Comment
  JEPS11197  Verbascum thapsus W. L. Jepson 1930-10-19 15706 Napa bed of Conn Creek at mouth of Sage Canyon (Napa Valley); , bed of Conn Creek at mouth Sage Canyon Comment
  UCD124634  Verbascum virgatum S. Nichol 2004-4