Search Results — 2000 specimen records retrieved (1469 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
  JEPS115687  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  CDA11424  Acer macrophyllum G. F. Hrusa, M. Tu 1995-5-6 12147 Napa North Coast Biodiversity Arena; along tributary of Schwartz Creek approx. 1.5 m. above Aetna Springs Comment
  UC650407  Acer macrophyllum Ira L. Wiggins 1928-3-25 2886 Napa 1 1/2 mi ne Calistoga; roadside 1 1/2 mi ne Calistoga Comment
  UCD117016  Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa. Comment
  UCD148566  Acer macrophyllum Jake Ruygt 1976-4-15 9 Napa Napa County; 0.5 miles north of Angwin on Howell Mt. Road. 512 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
  JEPS104476  Achillea millefolium Jake Ruygt 1992-7-22 3102 Napa Leoma Lakes, Wild Horse Valley Ranch 405 Comment
  SFV8398  Achillea millefolium C. Bornman 1962-5-17 69 Napa About 1 mile west of Lake Berryessa on State Highway 128. North slope. 137 Comment
  CAS-BOT-BC211901  Achnatherum coronatum G. L. Stebbins 1966-5-28 6426 Napa Markley Canyon, along State Highway 128, 3.5 miles west of Berryessa Dam 152 Comment
  JEPS36719  Achyrachaena mollis W. L. Jepson 1897-5-2 Napa St. Helena Comment
  RSA786930  Achyrachaena mollis Carrie A. Herd 1982-5-9 100 Napa Sage Canyon Road, Con Dam area Comment
  UCD148098  Achyrachaena mollis Jake Ruygt 1977-4-24 194 Napa Napa County; Butts Canyon Rd. west of Pope Valley Elementary School. 213 Comment
  JEPS129110  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6121 Napa Missimer-Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UCD103790  Acmispon americanus var. americanus Edward Lee Greene 1979-6-1 s.n. Napa location unknown. 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
  UCD168550  Acmispon brachycarpus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD47974  Acmispon brachycarpus Michele Disney; J. Westbrook,S. Ratay, R. Wolfson,A. Houser,S. Wathen 2000-4-22 15 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  UCD104557  Acmispon wrangelianus M. Wiesendanger 1927-5-4 684 Napa Near Monticello. Comment
  UCD48197  Adenostoma fasciculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 9 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD49132  Adenostoma fasciculatum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 21 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. Down a steep SW-facing slope, about 20 ft. below trail. 231 Comment
  JEPS121508  Adenostoma fasciculatum var. fasciculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 200 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  CAS-BOT-BC65667  Adiantum jordanii Carl B. Wolf 1928-5-3 1843 Napa base of Mt. St. Helena Comment
  UCD67507  Aesculus californica D. Sanchez-Mata 1996-6-5 s.n. Napa Lake Berryessa. Pope Canyon Road. 180 Comment
  UC768683  Agoseris grandiflora var. grandiflora Robert F. Hoover 1941-6-8 5323 Napa E side of Mt. St. Helena. Comment
  CAS-BOT-BC29641  Agoseris grandiflora var. grandiflora Alice Eastwood; J. T. Howell 1938-5-15 5523 Napa Mt .St. Helena, south side Comment
  CAS-BOT-BC22750  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  CAS-BOT-BC22752  Agoseris heterophylla Alice Eastwood 1915-6-5 4637 Napa Calistoga Comment
  UCD69026  Agoseris heterophylla P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  CAS-BOT-BC13319  Agoseris retrorsa Peter H. Raven 1964-5-9 19064 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  UC72587  Agrostemma githago Miss M. Alice King Napa St. Helena Comment
  CAS-BOT-BC127402  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  POM126093  Agrostis elliottiana Joseph P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 518 Comment
  CAS-BOT-BC127142  Agrostis exarata Peter H. Raven 1951-6-24 3020 Napa Brown's Valley - Sonoma Napa Road. 121 Comment
  UCD149571  Agrostis exarata Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD52231  Agrostis exarata Beecher Crampton 1960-5-17 5536 Napa south slopes of Conn Reservoir, 4 miles east of Rutherford. Comment
  UCD52270  Agrostis exarata August L. Hormay Date Unknown Napa North of Napa. Comment
  UCD32918  Agrostis exarata var. monolepis Beecher Crampton 1965-7-7 7441 Napa Napa County, north end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  CAS-BOT-BC139521  Agrostis hallii Peter H. Raven 1952-5-31 4102 Napa 1.5 mile east of Yountville. 30 Comment
  UCD38719  Agrostis hallii Beecher Crampton 1957-6-4 4109 Napa North end of Capell Valley. Comment
  UC1103385  Agrostis microphylla Joseph P. Tracy 1899-7-5 344 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., head Moore's Creek 365 Comment
  UCD37941  Agrostis microphylla Beecher Crampton 1962-5-8 6415 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD53032  Agrostis microphylla A. A. Beetle 1946-5-7 4257 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  UCD36593  Agrostis microphylla var. intermedia Beecher Crampton 1955-5-9 2749 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD53065  Agrostis microphylla var. intermedia Beecher Crampton 1956-5-21 3444 Napa meadow of waters supplied by the Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCD53629  Agrostis stolonifera Beecher Crampton 1953-7-14 1514 Napa N.N. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  UCD19311  Aira caryophyllea M. A. Bibbo; E. Dean 2001-7-6 3 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  RSA123594  Allium amplectens Milo S. Baker 1932-4-26 5963 Napa Monticello Road near Pope Valley. Comment
  CAS-BOT-BC461086  Allium amplectens Alice Eastwood 1915-6-6 4679 Napa Mount Saint Helena Comment
  CAS-BOT-BC461088  Allium amplectens John Thomas Howell 1933-6-4 11391 Napa Hills east of Napa Comment
  CAS-BOT-BC461092  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  POM215777  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs. Comment
  SEINET12044092  Allium amplectens J. T. Howell 1933-1 11319 Napa Hills E of Napa Comment
  RSA32797  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  CAS-BOT-BC466762  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  CAS-BOT-BC466763  Allium cratericola John Thomas Howell 1931-4-4 6168 Napa Crater Country, Mt. St. Helena Comment
  CAS-BOT-BC466764  Allium cratericola Alice Eastwood 1923-5-9 s.n. Napa Old crater, Mt. St. Helena Comment
  HSC2942  Allium falcifolium Greg Bos 1963-3-24 47 Napa NW end of Lake Berryessa, at Putah Creek 457 Comment
  RSA183471  Allium falcifolium William B. Davis 1960-4-15 27 Napa Pope Valley, 5 miles east of turn-off from lower end of Lake Berryessa. Comment
  UC1278731  Allium falcifolium G. L. Stebbins Jr. 1948-5-9 3936 Napa on road to Napa 8 mi s Monticello (w side of Steel Canyon); Steel Canyon Comment
  UCD48255  Allium falcifolium A. Laffin; A. Randall, S. Holck 2002-4-13 3 Napa Napa Co, McLaughlin UC Reserve. North of Knoxville-Berryessa Road. Ca. 0.5 airline mile WSW of old town Knoxville. Volcanic rocky outcrop, ca. 100 yards upslope of road. 437 Comment
  UCR43106  Allium falcifolium L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  UCR43119  Allium falcifolium L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-BC469027  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles E of Pope Valley Comment
  SEINET12043963  Allium falcifolium J. Morrison, Carter, A. 1938-1 1355 Napa .6 mi W of Knoxville on road from Monticello to Lower Lake Comment
  UCD161515  Allium falcifolium Jake Ruygt 1990-4-8 2472 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  JEPS96556  Allium fimbriatum var. fimbriatum Dean W. Taylor 1998-5-20 16447 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
  CAS-BOT-BC475559  Allium serra Alice Eastwood 1930-4-13 17927 Napa Canon between Monticello and Pope Valley Comment
  RSA123585  Allium unifolium Milo S. Baker 1931-4-19 5421 Napa Along highway in Coun. Valley. Comment
  UCD167205  Allophyllum divaricatum Jake Ruygt 2005-6-1 4883 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. 420 Comment
  SEINET2444438  Allophyllum gilioides K. Walker 2006-5-13 3 Napa Quail Ridge Reserve, West Ashley Rd. 0.5 mi NW of Laurel Creek. 208 Comment
  HSC44005  Allophyllum glutinosum Robert M. Specht 1977-4-19 694 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS123019  Alopecurus saccatus Jake Ruygt 1996-5-13 3664 Napa 0.9 mile south of Pope Canyon Road on Hardin Road. Quad: Saint Helena. Comment
  JEPS115778  Amaranthus albus Lowell Ahart 2009-10-27 16473 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
  UCD164868  Amaranthus californicus Jake Ruygt 2012-11-3 5890 Napa Lake Hennessey east of boatramp. 94 Comment
  UCD112865  Amelanchier alnifolia K. Esau; E. Hyde 1940-5-25 s.n. Napa Napa County. Comment
  UCD33089  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  CAS-BOT-BC136750  Amelanchier utahensis Carl B. Wolf 1928-5-4 1868 Napa Mt. St. Helena Comment
  UCD144337  Amelanchier utahensis George F. Hrusa 1989-4-24 5931 Napa edge of Pope Creek where Pope Creek Road cross creek. 175 Comment
  RSA92831  Ammi majus P. H. Raven 1950-7-4 2468 Napa 1 1/2 miles north of the Solano County line on Highway 29 Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  JEPS35498  Amorpha californica var. napensis W. L. Jepson 1913-4-15 5309 Napa Howell Mt. 548 Comment
  UCD95911  Amorpha californica var. napensis Ellen Dean; with Clare Loughran 2011-5-20 7050 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. At road intersection on western side of property. 608 Comment
  CDA15312  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 1 of 2. Comment
  CDA27222  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 3 of 3. Comment
  JEPS61143  Amsinckia intermedia W. L. Jepson 1900-3-10 535 Napa St. Helena Comment
  UCD161232  Amsinckia intermedia Jake Ruygt 1994-3-15 3316 Napa Chiles Canyon Road about 1 mile from Chiles Valley. (Coordinates estimated by label maker at UC Davis). 350 Comment
  UCD16028  Amsinckia intermedia N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 16 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 4.5-9 dm tall, flowers orange. Comment
  UCD170350  Amsinckia lunaris Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 849 Napa Knoxville Wildlife Area, along Nevada Creek. 452 Comment
  UCD118744  Amsinckia menziesii Katherine Graham; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, near oak woodland. 388 Comment
  UCD161576  Amsinckia menziesii Jake Ruygt 2007-3-29 5128 Napa Rector Creek, west of State Lane (Caymus Avenue). 42 Comment
  UCD117759  Anagallis arvensis Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  UCD160336  Anagallis arvensis Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  UCD117440  Anagallis arvensis Alan P. Godlewski 1974-5-3 16 Napa west of Lake Berryessa, 30 yards from Highway 128. Comment
  CAS-BOT-BC64139  Ancistrocarphus filagineus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5326 Napa Soda Creek, e. of Chiles Valley 182 Comment
  UCD170806  Ancistrocarphus filagineus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  JEPS14086  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UC174197  Angelica tomentosa Katharine Brandegee 1910-7-26 Napa near Aetna Springs Comment
  UCD126260  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  HSC71976  Angelica tomentosa J. M. DiTomaso 1980-7-8 1740 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29 610 Comment
  UCD127187  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  UCD127188  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  CAS-BOT-BC273164  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  CAS-BOT-BC273162  Anisocarpus madioides Jean Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  UCD129077  Anthemis cotula Helen K. Sharsmith 1953-6-15 4189 Napa southeast slope of Cappell Valley just west of junction of Cappell Valley and Monticello roads. Inner north coast ranges. 274 Comment
  HSC83239  Antirrhinum virga D. M. Thompson 1983-6-16 334 Napa Napa/Lake Co. line, Twin Peaks Mine area along gravel road next to Bateman Creek, starting at junction of Oat Hill and Livermore Rds. 579 Comment
  JEPS112546  Antirrhinum virga Jake Ruygt 1986-5-18 1775 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 463 Comment
  UCD126299  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon. 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
  JEPS104564  Apium graveolens Jake Ruygt 1986-6-21 1834 Napa Fagan's Marsh 0 Comment
  UCD148555  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2026 Napa Napa County; Leoma Lakes 435 Comment
  UC765745  Aquilegia eximia R. F. Hoover 1938-9-23 3865 Napa canyon of South Fork Butts Creek Comment
  CAS-BOT-BC397792  Aquilegia formosa Betty Johnston 1958-6-15 639 Napa 1/4 the mi. above Mt. Mill House, 6.4 mil SW of Middleton Comment
  CAS-BOT-BC397793  Aquilegia formosa Betty Johnston 1958-6-15 639 Napa 1/4 the mi. above Mt. Mill House, 6.4 mil SW of Middleton Comment
  CAS-BOT-BC397794  Aquilegia formosa John Thomas Howell 1937-7-4 13058 Napa Wooden Valley Creek Comment
  JEPS106845  Arabis glabra Jake Ruygt 1992-4-7 2892 Napa Tuteur Ranch, SW corner 365 Comment
  CAS-BOT-BC16717  Arabis modesta Donald V. Hemphill 1958-3-17 s.n. Napa Monticello Dam, Napa-Yolo county line. Comment
  CAS-BOT-BC128665  Arbutus menziesii Ira L. Wiggins 1928-3-25 2885 Napa Roadside 1 1/2 mi. N.E. of Calistoga Comment
  LA41461  Arbutus menziesii J. A. Ewan; 1933-9-17 8003 Napa Mt. Saint Helena, near Stevenson monument Comment
  UC1051645  Arbutus menziesii Peter Kamb, Francia Chisaki 1950-4-22 1756 Napa w side of Wooden Valley, on Cal Hwy #37 Wooden Valley 304 Comment
  UC21794  Arbutus menziesii Willis L. Jepson 1894-1 Napa Napa River Basin 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-BC407751  Arceuthobium abietinum W. L. Jepson 1893-1-1 s.n. Napa Conn Valley, Napa River Basin Comment
  JEPS40122  Arceuthobium campylopodum W. L. Jepson 1895-12-26 Napa Conn Valley Comment
  JEPS40130  Arceuthobium campylopodum W. L. J. 1897-7-12 Napa Samuel's Springs Comment
  JEPS40129  Arceuthobium campylopodum W. L. Jepson Oct. 1893 Napa Conn Valley Comment
  LA42154  Arctostaphylos canescens Joseph Andorfer Ewan; 1937-5-23 10335 Napa Mount Saint Helena, Summit trail Comment
  UCD82610  Arctostaphylos canescens Ellen Dean; T. Starbuck 2009-5-4 5548 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC23951  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1503 Napa 1 mi. north of summit of Mt. St. Helena Comment
  CAS-BOT-BC23957  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12272 Napa Near summit of Mt. St. Helena Comment
  CAS-BOT-BC23961  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-BC23979  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC23991  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12267 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC23997  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC24017  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4564 Napa Crater Country, near Mt. St. Helena Comment
  CAS-BOT-BC24025  Arctostaphylos canescens subsp. canescens Alice Eastwood; John Thomas Howell 1937-4-4 3829 Napa Wooden Valley Grade east of Napa Comment
  JEPS48499  Arctostaphylos canescens subsp. canescens Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  RSA15668  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-28 1503 Napa 1 mi n of summit Mt. St. Helena grade. Comment
  SDSU1489  Arctostaphylos canescens subsp. canescens D. F. Howe 1969-6-7 4634 Napa 2 miles south of Lake-Napa Co. line. 518 Comment
  UC1120911  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1936-9-20 712 Napa Mt. St. Helena Calistoga Quadrangle 609 Comment
  UCR23644  Arctostaphylos glandulosa John C. Roos 1939-4-16 276 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  CAS-BOT-BC23101  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood; John Thomas Howell 1939-6-11 7433 Napa Hills west of Calistoga Comment
  RSA181908  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1936-12-7 17994 Napa Four Corners, Howell Mt. Comment
  RSA355181  Arctostaphylos manzanita L. F. LaPre 1985-4-24 355181 Napa Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. Line and S of Three Peaks. Comment
  UC549544  Arctostaphylos manzanita J. E. Adams 1934-4-10 647 Napa Mt. St. Helena Comment
  POM125381  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  CAS-BOT-BC24280  Arctostaphylos manzanita subsp. manzanita Rimo Bacigalupi 1924-2-22 s.n. Napa 5 mi. from Calistoga on toll road over Mt. St. Helena. 457 Comment
  CAS-BOT-BC24282  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-2-23 s.n. Napa Howell Mt. Napa River Basin. Comment
  CAS-BOT-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
  CAS-BOT-BC38762  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7948 Napa Mt. St. Helena Comment
  CAS-BOT-BC38773  Arctostaphylos manzanita subsp. manzanita J. W. Stacey 1922-11-30 s.n. Napa Near Calistoga Comment
  RSA15675  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  SBBG19111  Arctostaphylos manzanita subsp. manzanita E. R. Blakley 1956-12-23 2035 Napa 5 mi S of Pope Valley 243 Comment
  CAS-BOT-BC27294  Arctostaphylos stanfordiana Charles Christopher Parry 1887-4-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC43849  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5768 Napa between Franz Valley & Calistoga Comment
  JEPS38676  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-23 14723 Napa La Jota Plateau Napa Range, Napa River Basin, Howell Mt. Comment
  LA42285  Arctostaphylos stanfordiana Lewis S. Rose; 1939-4-16 39071 Napa 4 mi. NE of Napa 198 Comment
  UC924271  Arctostaphylos stanfordiana H. S. Reed 1939-4-16 229 Napa Napa Hills Comment
  UCD53857  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mile W Aetna Springs. Comment
  SEINET11984941  Arctostaphylos stanfordiana Unknown 1966-1 679 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  UCD73848  Arctostaphylos stanfordiana subsp. decumbens Ellen Dean; S. Rae 2008-5-21 4983 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 274 Comment
  POM367457  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree 1930-7-17 s.n. Napa Napa Comment
  RSA51335  Arctostaphylos stanfordiana subsp. stanfordiana P. H. Raven 1950-4-15 1736 Napa Wooden Valley grade above Napa. 457 Comment
  SBBG33933  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UC2026413  Arctostaphylos stanfordiana subsp. stanfordiana Louis C. Wheeler 1952-8-30 6876 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  HSC7715  Arctostaphylos viscida Greg Bos 1963-3-3 27 Napa Putah Creek entrance to Lake Berryesa 152 Comment
  RSA531257  Arctostaphylos viscida W. Wisura, D. Grzanna 1991-9-4 4575 Napa 8.7 mi. N of Calistoga along Hwy. 29. Comment
  UCD47966  Arctostaphylos viscida R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 3 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCR43194  Arctostaphylos viscida L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  UC604657  Arctostaphylos viscida subsp. pulchella Joseph P. Tracy 1938-6-5 15835 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  UC763122  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-27 4950 Napa e side Mt. St. Helena Comment
  JEPS81590  Arctostaphylos viscida subsp. viscida R. Raiche 1982-3-7 20211 Napa adjacent of Detert Reservoir (on Butts Canyon Road, hill on ne side of reservoir) Comment
Read comments
Sep 27 2012
  RSA450961  Arctostaphylos viscida subsp. viscida C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  SEINET6652453  Aristolochia californica R. R. Halse 2013-3-27 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  UCD20914  Aristolochia californica V. (Shorty) Boucher 2002-3-27 5 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  CAS-BOT-BC400457  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa North bank of Putah Creek, 8.6 miles west of Winters Comment
  UC767467  Arnica discoidea R. F. Hoover 1941-5-10 5014 Napa e side Mt. St. Helena Comment
  RSA88576  Arnica discoidea L. S. Rose 1954-5-24 54049 Napa Summit, Wooden Valley grade, 6 miles N E of Napa. Comment
  UC468967  Arnica discoidea H. P. Chandler 1907-5-19 7579 Napa St. Helena , White Sulphur Spring Comment
  SEINET258288  Artemisia douglasiana Unknown 1986-9-19 10231 Napa Napa County: in the northern end of the Napa Valley, on the west side of Calistoga. 110 Comment
  SEINET6793899 Image available Artemisia pycnocephala Leila M. Shultz, John S. SHultz 1987-1 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  CDA1737  Arundo donax G. D. Barbe, Q. L. Holdeman 1978-10-12 2460 Napa Circle Oaks development, ca. 3.2 km. north of Wooden Valley. 0 Comment
  JEPS104559  Asarum caudatum Jake Ruygt 1980-3-30 821 Napa Van Ness Canyon 609 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
  UCD121245  Asclepias cordifolia James N. Seiber 1984-7-21 s.n. Napa Lake Berryessa, near Monticello Dam. Comment
  UCD148097  Asclepias eriocarpa Jake Ruygt 2002-8-24 4451 Napa Calistoga; northwest corner of Mora Lane and Silverado Trail. 124 Comment
  UCD170282  Asclepias fascicularis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 822 Napa Knoxville Wildlife Area, north of Nevada Creek. 496 Comment
  JEPS122691  Asclepias solanoana Jake Ruygt 1988-5-29 1480 Napa Sensitive plant canyon. Quad: Knoxville. Comment
  CAS-BOT-BC68859  Aspidotis californica Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5339 Napa N. side Pope Creek, Samuels Springs to Walters Springs 243 Comment
  JEPS60031  Aspidotis densa W. L. Jepson 1938-5-22 18815 Napa Limekiln Creek Canyon; Pope Valley Comment
  UCD163270  Aspidotis densa D. Slakey; CNPS Volunteers 2015-4-25 115 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  CAS-BOT-BC478055  Asteraceae Paul F. Covel 1940-4-28 1709 Napa CCC-Las Posadas Camp - near Pac. Union College Comment
  JEPS54545  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  CAS-BOT-BC178661  Astragalus claranus John Thomas Howell 1931-4-19 6442 Napa Conn Valley Comment
  JEPS107258  Astragalus claranus Jake Ruygt 1993-4-10 3188 Napa Lewelling Ranch,south of Sulphur Springs Road., St. Helena 109 Comment
  CAS-BOT-BC178627  Astragalus clevelandii T. S. Brandegee 1887-6-1 s.n. Napa Mt. St. Helena Comment
  JEPS107253  Astragalus clevelandii Jake Ruygt 1991-6-29 2756 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  CAS-BOT-BC178291  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  UCD148842  Astragalus gambelianus Ellen Dean; Diana Hickson 2014-4-29 8147 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  RSA112186  Astragalus gambelianus R. C. Barneby 1954-4-30 11230 Napa Conn Valley near the slipway. Comment
  CAS-BOT-BC193129  Astragalus rattanii var. jepsonianus David D. Keck 1933-5-29 2361 Napa Pope Creek bridge south of Walters Springs Comment
  RSA591760  Athysanus pusillus J. C. Roos 1939-4-18 277 Napa Snell Valley, Pacific Union College, Angwin. Comment
  UCD73412  Athysanus pusillus 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
  JEPS126099  Atriplex rosea Jake Ruygt 1991-9-21 2840 Napa Kennedy Park, north of the boat ramp. Napa 7.5' Qua. Comment
  CHSC79391  Avena fatua Beecher Crampton 1956-3-15 3228 Napa 1 mile south of Rutherford. Comment
  CAS-BOT-BC145928  Avena fatua Peter H. Raven 1954-2-22 6407 Napa Orchard at west end of Saint Helena. 60 Comment
  CAS-BOT-BC98793  Baccharis douglasii Peter H. Raven 1955-8-27 8760 Napa Cuttings Wharf 3 Comment
  UC1222975  Baccharis pilularis Joseph P. Tracy 1948-11-15 18258 Napa near, on Silverado Trail e side of Napa Valley St. Helena Comment
  UCD129468  Baccharis salicifolia subsp. salicifolia G. F. Hrusa; S. Larson 1995-4-10 12055 Napa along Chiles Valley-Pope Valley Road. Approximately 2 miles east of Lake Hennessey. 200 Comment
  CAS-BOT-BC16525  Barbarea orthoceras Peter H. Raven 1964-5-9 19068 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  UCD161752  Barbarea orthoceras Jake Ruygt 1996-4-12 3605 Napa Blue Ridge, north of Monticello Dam, Rockwell Gap area. 615 Comment
  UCD48663  Barbarea verna Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along S. Decker Canyon Rd., just S of jct with Cut-Off Rd., W side of creek. 167 Comment
  POM182713  Barbarea verna D. D. Keck 1931-4-2 1015 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD35478  Barbarea vulgaris Beecher Crampton 1957-4-15 3932 Napa Napa County; Vaca Mtns., east slope of Wragg Canyon, Hwy. 128. Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  JEPS75994  Beckmannia syzigachne W. L. Jepson 1936-6-2 17608 Napa hills to e Yountville (e side of road); Napa Valley Comment
  JEPS129172  Berberis aquifolium Jake Ruygt 2015-3-16 6044 c Napa Sutro Ranch, west side of Atlas Peak. Yountville 7.5' Quad. 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
  JEPS106877  Berberis aquifolium var. dictyota Jake Ruygt 1981-7-23 1081 Napa north of Berryessa Peak, Blue Ridge 731 Comment
  JEPS126129  Berberis nervosa Jake Ruygt 2006-4-1 4962 Napa Three Peaks, northeast side, road near top. Saint Helena 7.5' Qua. Comment
  CAS-BOT-BC75847  Berberis pinnata Ira L. Wiggins 1949-4-30 12089 Napa Eastern flank of Mount Saint Helena. 914 Comment
  CAS-BOT-BC75902  Berberis piperiana Elsa G. Ruckert 1960-4-2 61 Napa 6556 Dry Creek Road. Grounds around house. 365 Comment
  JEPS106817  Beta vulgaris Jake Ruygt 1992-7-7 3071 Napa Alston Park near west side of park. 79 Comment
  UCD148774  Beta vulgaris subsp. maritima Jake Ruygt 1991-9-14 2838 Napa Napa County; American Canyon, northwest of end of Mini Drive. 2 Comment
  UCD161759  Boechera breweri subsp. breweri Jake Ruygt 1998-3-28 3893 Napa The Beehive, Rattlesnake Ridge. 762 Comment
  RSA182010  Boisduvalia densiflora var. densiflora W. L. Jepson 1944-7-30 27545 Napa 3 miles SE of Yountville, Napa Valley. Comment
  JEPS110699  Boisduvalia stricta Jake Ruygt 1982-5-26 1300 Napa Craters region near Robert Louis Steve. Sate Park 762 Comment
  SBBG128576  Bolboschoenus maritimus L. Ahart 2009-10-12 16460 Napa below high water line of Lake Berryessa, along Capell Crk S of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd 133 Comment
  CDA42002  Boschniakia strobilacea S. Bardessono 1974-6-14 s.n. Napa In the wilds 0 Comment
  CAS-BOT-BC106268  Brickellia californica John Thomas Howell 1927-8-24 3047 Napa In bed of Pope Valley Creek between Walter's Springs and Samuel's Springs, Napa Range Comment
  JEPS18618  Brickellia californica Edw. L. Greene 1888-8-30 Napa Calistoga Comment
  CAS-BOT-BC145367  Briza minor John H. Thomas 1955-5-21 5132 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS110909  Brodiaea elegans subsp. elegans Jake Ruygt 1976-5-17 87 Napa .3 mile east of Hillcrest Dr. on Westgate Drive 79 Comment
  JEPS6309  Brodiaea elegans subsp. elegans W. L. Jepson 1904-6-3 2434 Napa Saint Helena to Howell Mountain 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
  UC657700  Brodiaea leptandra Milo S. Baker 1941-6-30 10158 Napa n road from Silverado Trail, along highway to Howell Mt. Comment
  UCD148580  Brodiaea leptandra Jake Ruygt 1992-5-25 3006 Napa Napa County; north of Leoma Lakes near access road to Wild Horse Valley Reservation. 411 Comment
  SBBG118107  Bromus C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  UCD73503  Bromus arenarius Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  SEINET10839784  Bromus arvensis Ana Maria Planchuelo 1980-1 Planchuelo 508 Napa Route 128 between winters and rutherford. Comment
  CDA10879  Bromus carinatus G. F. Hrusa, M. Rejmanek 1993-5-15 10974 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SACT000507  Bromus carinatus John Willoughby 1976-5-18 Napa not far below top, latitude about that of Mount Vaca, with Quercus agrifolia and Pinus sabiniana 609.6 Comment
  UCD17977  Bromus carinatus var. carinatus Ellen Dean; with Plant Biology 102 class 2001-4-14 702 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  UCD120796  Bromus diandrus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7333 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
  UCD17982  Bromus hordeaceus Ellen Dean; with Plant Biology 102 class 2001-4-14 708 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along North Decker Canyon Trail, N of trail. 182 Comment
  UCD58765  Bromus hordeaceus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  JEPS76118  Bromus laevipes W. L. Jepson 1938-6-8 18891 Napa Butts Canyon, South Fork Butts Creek South Fork Butts Creek; Butts Canyon, South Fork Butts Creek Comment
  UCD72385  Bromus laevipes G. F. Hrusa; Marcel Rejmanek 1993-5-15 10973 Napa Quail Ridge Reserve--Univ. of California. 225 Comment
  UCD18056  Bromus rubens Ellen Dean; with Plant Biology 102 class 2000-4-22 610 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
  CDA31292  Bromus sterilis D. G. Kelch 2010-5-6 10 .178 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD37684  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  UCD18041  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 592 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD19941  Calandrinia ciliata E. A. Dean; Virginia Boucher 2002-2-28 899 Napa Quail Ridge Reserve. Along East Rd., 0.4 airline miles N of junction with Hwy 128. 335 Comment
  JEPS121549  Calochortus amabilis Adam C. Schneider with Dick O'Donnell 2013-5-26 199 Napa Southwest side of Chiles Pope Valley Rd., 100 yards southwest of farmhouse and other buildings. Comment
  POM169353  Calochortus amabilis Joseph P. Tracy 1902-5-15 1480 Napa Head of Moores Creek, 3-4 mi E of Angwins. 366 Comment
  UCD118729  Calochortus amabilis Katherine Graham; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD139482  Calochortus amabilis L. P. Thibault 1995-5-19 40 Napa along Highway 128, ca. 0.5 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD48262  Calochortus amabilis R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 4 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD48752  Calochortus amabilis S. Murphy; K. Keck and K. Dyer 2002-5-5 14 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 450 m. from intersection of West and East roads, S side of upper road leading to power lines and tip parcels. 388 Comment
Read comments
Apr 3 2019
  CAS-BOT-BC488492  Calochortus amabilis L. R. Abrams 1928-5-4 12287 Napa 4 mi. south of Middletown. Comment
  CAS-BOT-BC488493  Calochortus amabilis R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6667 Napa 6 mi. NE of Pacific Union College (Howell Mt.) on road to Aetna Springs. Comment
  CAS-BOT-BC488494  Calochortus amabilis John Thomas Howell 1926-3-21 1730 Napa Calistoga Road one mile below Patten's. Comment
  HSC83400  Calochortus amabilis Mark S. Lubinski, Claude Galopin 1975-4-27 19 Napa Hwy. 128 off Sage Canyon Rd. Comment
  RSA52662  Calochortus amabilis I. L. Wiggins 1949-4-30 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  SEINET3884890  Calochortus amabilis D. W. McNeal 1975-5-3 1592 Napa Above the Berryessa-Kxonville Rd., 0.3 mi. n.w. of Knoxville.; 0 Comment
  UC917115  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa n side Putah Canyon Comment
  UCD14304  Calochortus amabilis Todd Jones 1983-5-1 14 Napa Highway 128, ca. 1.9 miles north of Moscowite Corners, 15.6 miles beyond Monticello Dam. Comment
  UC14991  Calochortus luteus J. P. Tracy 1899-6-19 449 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD41332  Calochortus luteus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 7 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. 434 Comment
  UCD70349  Calochortus luteus P. J. Plummer 1995-5-29 s.n. Napa Napa County Along hwy 128; 1 m from the hwy. Flowers bright yellow with brown-purple stripes and splotches. 213 Comment
  SD133928  Calochortus superbus Barbara Ertter, Annetta Carter 1989-5-28 8501 Napa Berryessa-Knoxville Road, north of Lake Berryessa, 4.7 miles south of Knoxville tunnel, grassland in Oak-Digger Pine woodland along Eticuera Creek. 305 Comment
  UCD166651  Calochortus superbus Jake Ruygt 1989-6-3 2356 Napa 1.1 miles south of Moscowite Corners on Monticello Rd. 240 Comment
  UC1103467  Calochortus tolmiei J. P. Tracy 1899-6-10 447 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  CAS-BOT-BC483611  Calochortus tolmiei Elizabeth Wright 1922-4-1 s.n. Napa Calistoga Comment
  POM182666  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UC3489  Calochortus uniflorus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  UC457170  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa just nw Calistoga (geysers, nw Napa County) Comment
  UCD161587  Calycadenia micrantha Jake Ruygt 2008-5-10 5328 Napa Buzzard's Roost, east of Stags Leap, Napa Range. (Coordinates converted from UTM data by label maker.) 480 Comment
  UCD129718  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa junction of Howell Mt., Deer Park, and White Cottage Roads, southwest facing. Comment
  JEPS129108  Calycadenia pauciflora Jake Ruygt 2015-6-15 6136 Napa Southwest of Buck Mountain. Knoxville 7.5' Quad. Comment
  CAS-BOT-BC270821  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles SE of Lake County line on Morgan Valley Road 609 Comment
  CAS-BOT-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-BC270828  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles E of Butts Canyon Road on Snell Valley Road 182 Comment
  UC1876268  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 mi SE of Lake Co. lne on Morgan Valley Rd. 125 yds N of road. Comment
  UCD129843  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Road, 10.0 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. Comment
  UCD129904  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road. 609 Comment
  UCD161581  Calycadenia pauciflora Jake Ruygt 2007-6-21 5226 Napa Las Posadas State Forest, north of Recreation Flat. Comment
  POM194202  Calycadenia truncata subsp. truncata J. T. Howell 1929-10-26 4533 Napa 0.5 mile north of Yountville, Napa Valley Comment
  JEPS40314  Calycanthus occidentalis W. L. Jepson 1936-5-29 17547 Napa Adam-and-Eve Ridge Howell Mt. (at the cave, Howell Mt.) Comment
  RSA23335  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  SD147998  Calycanthus occidentalis C. Osuga 1992-5-29 21 Napa Highway 121, Wooden Valley Road junction. 305 Comment
  SD33879  Calycanthus occidentalis Marion Ownbey, Ruth P. Ownbey 1938-7-9 1700 Napa Along stream, 6.0 miles northeast of Napa. Comment
  UC1536921  Calycanthus occidentalis Gordon H. True Jr. 1937-6-21 731 Napa near Lokoya Lodge 365 Comment
  UC521695  Calycanthus occidentalis Joseph Andorfer Ewan 1933-9-17 8010 Napa 2.5 mi out Calistoga (Mt. St. Helena summit road); Mt. St. Helena Comment
  UCD160743  Calystegia collina Ellen Dean 2015-5-23 8795 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
  JEPS31603  Calystegia collina subsp. collina W. L. Jepson 1938-5-24 18841 Napa Howell Mtn. Comment
  UC1794973  Calystegia collina subsp. collina R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19851 Napa 17.5 km NE of Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  UCD117787  Calystegia collina subsp. collina Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  JEPS101706  Calystegia collina subsp. oxyphylla Dean W. Taylor 1998-6-3 16463 Napa dirt rd 0.4 miles N Twin Peak Mine, Bateman Cr drainage 579 Comment
  JEPS120397  Calystegia occidentalis Jake Ruygt 1985-5-18 1597 Napa Foss Valley Comment
  UCD14211  Calystegia occidentalis Dixie Paussa 1974-6-8 104 Napa Napa County; at the end of Griggs Lane, above a reservoir; 91 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
  CAS-BOT-BC224626  Calystegia purpurata subsp. purpurata Saichi Kawahara 1968-4-20 333 Napa Oakville Grade, 4 miles west of Oakville 228 Comment
  CDA33512  Calystegia purpurata subsp. purpurata Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  UCD161219  Calystegia purpurata subsp. purpurata Ruygt 1998-5-16 3969 Napa Maggie's Peak, south of Bismark Knob. 603 Comment
  UC20550  Camissonia contorta W. L. Jepson 1893-5-1 Napa Calistoga Comment
  UC20482  Camissoniopsis hirtella Willis L. Jepson 1892-7 Napa near Knoxville Comment
  UCD32903  Camissoniopsis hirtella Beecher Crampton 1965-6-30 7395 Napa Solano-Napa Counties: Vaca mountains, summit of Mt. Vaca. 859 Comment
  JEPS106558  Campanula griffinii Jake Ruygt 1995-4-17 3431 Napa end of Niebaum Rd., Bear Canyon. 100 Comment
  CAS-BOT-BC37118  Capsella bursa-pastoris Elsa G. Ruckert 1960-2-20 3 Napa 6495 Dry Creek Road. Southwest of house. 365 Comment
  CAS-BOT-BC37589  Cardamine californica Milo S. Baker 1931-4-2 5134 Napa 8 miles from Monticello along Pope Creek. 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
  JEPS106837  Cardamine californica var. cardiophylla Jake Ruygt 1982-1-24 1093 Napa 3.8 miles south of Monticello Rd. on Wooden Valley Rd. 121 Comment
  JEPS77946  Cardamine californica var. integrifolia Edward Lee 1936-3-15 1912 Napa Rutherford-Pope Valley road 10.7 mi out Rutherford; near Rutherford Comment
  UCD170301  Cardamine hirsuta Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 841 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  RSA633345  Cardamine hirsuta Michael A. Vincent, Ethan H. Freid 1998-4-7 8168 Napa Along Rt. 128 at road marker 24/80 Comment
  CAS-BOT-BC37857  Cardamine oligosperma Peter H. Raven 1954-2-22 6397 Napa Saint Helena. 60 Comment
  CDA6879  Carduus pycnocephalus T. C. Fuller 1959-5-15 2432 Napa Fanner property, Sanitarium area. 0 Comment
  CDA6880  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 Napa State Highway 53 to Middletown, 2.5 miles north of Calistoga. 0 Comment
  OBI68596  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 -58 Napa S facing slope, State hwy 53, 2.5 mi N Calistoga Comment
  JEPS121333  Carex amplifolia Jake Ruygt 1992-6-22 3044 Napa Above narrow valley, east side Wil Horse Valley Ranch. Comment
  UCD161335  Carex barbarae Jake Ruyget 1982-6-29 1341 Napa Napa County : 0.6 miles south of Yountville on Highway 29. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UC826510  Carex barbarae Wilhelm N. Suksdorf 1913-7-24 619 Napa On a high bank of the Napa River below the town. Comment
  UCD161787  Carex bolanderi Jake Ruygt 1994-5-17 3384 Napa Linda Falls, Angwin. 402 Comment
  CAS-BOT-BC35070  Carex densa Peter H. Raven 1951-5-26 2868 Napa 0.3 mile from Lokoya Lodge to Napa. 365 Comment
  CAS-BOT-BC35072  Carex densa Peter H. Raven 1951-6-10 2948 Napa Crater Region of Palisades. 762 Comment
  UCD161705  Carex densa Jake Ruygt 2010-6-21 5617 Napa Highway 29 just south of Heitz Way, south side of road. (Coordinates converted from UTM by label maker.) 94 Comment
  UCD167142  Carex densa Jake Ruygt 2015-5-2 6087 Napa West of Buck Mountain near Nevada. 599 Comment
  UCD95934  Carex densa Ellen Dean; with Clare Loughran 2011-5-20 7064 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC20850  Carex globosa John Thomas Howell 1941-4-5 16158 Napa Franz Valley. Comment
  CAS-BOT-BC32125  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road to Pope Valley. Comment
  JEPS121338  Carex nudata Jake Ruygt 1978-4-6 267 Napa 2. [sic] miles west of Dry Creek on Redwood Road Comment
  UC483315  Carex nudata Ira L. Wiggins 1932-3-12 5753 Napa 1 mi N of Calistoga (N Fork of Napa River) Comment
  CAS-BOT-BC119515  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  JEPS121326  Carex praegracilis Jake Ruygt 1992-7-4 3059 Napa Wild HOrse Valley RAnch, between Leoma and Mitten Lake. Comment
  UCD140839  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa above Capell Creek, north end of Capell Valley, along State Highway 128. Comment
  UCD63854  Carex serratodens Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  CAS-BOT-BC117620  Carex serratodens Ella D. Cantelow 1939-8-8 2500 Napa 3.5 mi NW of Knoxville. Comment
  UC1152079  Carex serratodens Joseph P. Tracy 1950-5-19 18655 Napa Conn Valley Reservoir Comment
  RSA783701  Carex subbracteata Jake Ruygt 2009-6-22 3221 -b Napa Yountville Ecological Reserve. Yountville Cross Road. Comment
  UCD141172  Carex subfusca L. S. Rose 1935-6-4 s.n. Napa Mt. Helena. Comment
  UCD161359  Carex tumulicola Jake Ruygt 1988-4-11 2148 a Napa Ridge between American Canyon and Newell Canyon. (Coordinates estimated by label maker at UC Davis). 140 Comment
  UCD161735  Carex tumulicola Jake Ruygt 2010-5-15 5504 -x Napa Las Posadas State Forest, south side of Moore Creek near Recreation Flat. 384 Comment
  CDA6924  Carthamus creticus G. D. Barbe 1978-7-21 2411 Napa Stags Leap, Silverado Trail, east of Yountville. 0 Comment
  UCD148091  Carthamus lanatus Jake Ruygt 2001-7-2 4317 Napa East of Lower Chiles Valley Rd. on Sage Canyon Rd. (Hwy 128) 155 Comment
  SEINET13331028 Image available Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa Scattered patches in dry pasture F.J. Tamangi property, W. of Silverado Trail, 0.5 mi. N. of Larkmead Lane, 2 mi. SE of Calistoga Comment
  JEPS35587  Castilleja L. R. Heckard 1964-6-11 1367 Napa near Conn Park (along State Hwy 128, at w edge of Lake Hennessey); Lake Hennessey Comment
  JEPS6842  Castilleja affinis subsp. affinis Peter H. Raven 1952-5-26 4071 Napa e side Wooden Valley Grade 304 Comment
  JEPS29588  Castilleja affinis subsp. affinis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8445 Napa .33 air mi se Atlas Peak (along Atlas Peak road, about 0.25 mi s of end of public road) 670 Comment
  UCD164766  Castilleja affinis subsp. affinis Jake Ruygt 2014-5-10 5938 Napa Monticello Road about 0.1 mile north of first corner of Wooden Valley grade. 341 Comment
  JEPS110629  Castilleja affinis subsp. neglecta Jake Ruygt 1986-5-17 1767 Napa .5 miles north of Flosden Rd. and American Canyon Rd. 170 Comment
  UC1334851  Castilleja ambigua subsp. ambigua L. D. Thurman 1964-4-24 427 Napa 5.5 mi n Napa (Silverado trail) Comment
  JEPS3803  Castilleja applegatei subsp. martinii W. L. Jepson 1894-7-19 Napa near Molly Patton's (Toll House) at summit (old grade over Mt. St. Helena); Mt. St. Helena 731 Comment
  UCD122290  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  CHSC114025  Castilleja applegatei subsp. pinetorum Richard R. Halse 2013-3-27 8753 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  JEPS9416  Castilleja densiflora subsp. densiflora Willis L. Jepson 1893-5-1 21374 Napa Calistoga Napa River Basin, Upper Napa Valley Comment
  HSC81972  Castilleja foliolosa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5151 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  UCD122504  Castilleja foliolosa Paul C. Hutchinson 1963-3-3 2675 Napa 2 miles above the St. Helena Sanitarium, along the road to Pope Valley. Comment
  UCD48219  Castilleja foliolosa D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 10 Napa Napa County, McLaughlin Reserve, first ridgesouth of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill ca. 20 ft. from lookout tower. 548 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
  UCD48223  Castilleja foliolosa A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 7 Napa Yolo Co/ Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  UC1238981  Castilleja minor subsp. spiralis Freed W. Hoffman 1950-6-30 3707 Napa e of Indian Valley; North Coast Ranges, Complexion Canyon Comment
  UC885436  Castilleja minor subsp. spiralis Milo S. Baker 1938-8-22 9222 Napa Lower Lake to Knoxville Road (just s of Lake-Napa County line) Comment
  CDA11180  Castilleja rubicundula G. F. Hrusa 1988-4-16 5549 Napa North Coast Biodiversity Arena; 1 m. E of junction of Chiles Valley and Pope Valley Rds. Comment
  UCD160684  Castilleja rubicundula subsp. lithospermoides Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8756 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  JEPS77483  Castilleja rubicundula subsp. lithospermoides Douglas W. James Jr. 1973-5-5 88 Napa Las Posadas State Forest; not far from the 4-H pool 335 Comment
  HSC44027  Caulanthus lasiophyllus Robert M. Specht 1977-4-13 649 Napa 524 Comment
  HSC18269  Ceanothus cuneatus Greg Bos 1963-3-24 69 Napa NW end of Lake Berryesa at Patrick Creek 473 Comment
  JEPS42084  Ceanothus cuneatus var. cuneatus W. L. Jepson 1910-3-28 4022 Napa sw Rebecca Ranch grade (Calistoga) Comment
  JEPS42095  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-5-1 13990 Napa nw Calistoga (Franz Valley grade, on divide) Comment
  JEPS42208  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-4-25 13996 Napa w St. Helena (trail to Caux's Cabin); Hoods Peak Range Comment
  CAS-BOT-BC49785  Ceanothus divergens John Thomas Howell 1941-4-5 16162 Napa Franz Valley Comment
  CAS-BOT-BC49786  Ceanothus divergens John Thomas Howell 1941-4-5 16167 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49795  Ceanothus divergens Alice Eastwood 1923-5-9 11747 a Napa Mt. St. Helena Comment
  CAS-BOT-BC49805  Ceanothus divergens H. E. McMinn 1922-3-27 49 Napa Mt. St. Helena 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
  POM136487  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  JEPS42389  Ceanothus foliosus W. L. Jepson 1893-5-1 14019 Napa at divide, Franz Valley grade from Calistoga Comment
  UC1005687  Ceanothus foliosus Frank W. Gould 1939-4-6 597 Napa 5 mi e Napa (just n of Mt. George.) 228 Comment
  UC338441  Ceanothus foliosus Lemmon Napa Calistoga Comment
  SEINET4411450 Image available Ceanothus foliosus C. C. Parry 1888-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC50880  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-6 4702 Napa Mt. St. Helena Comment
  CAS-BOT-BC50920  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12260 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC50922  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12276 Napa Mt. St. Helena toll house Comment
  SBBG32462  Ceanothus foliosus var. foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 Comment
  UCD112140  Ceanothus foliosus var. foliosus Ray Prag 1971-4-23 s.n. Napa State Highway 121, 1.9 miles south of Wooden Valley Road. 365 Comment
  UCD112165  Ceanothus incanus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC50793  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  UCD148849  Ceanothus integerrimus Ellen Dean; Diana Hickson 2014-4-29 8152 Napa collected along Devilhead Rd in Cupressus woodland on BLM land. Exact location unknown. 487 Comment
  UCD162738  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1625 Napa Butts Canyon Road, roadside. 222 Comment
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Dec 8 2016
  UCD170257  Ceanothus integerrimus D. O. Burge 2016-10-22 2181 Napa Roadside on Butts Canyon Road. 300 Comment
  CAS-BOT-BC474707  Ceanothus jepsonii Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersection with Berryessa-Knoxville Road 140 Comment
  CHSC22530  Ceanothus jepsonii Robert A. Schlising; Glenn Keator 1962-1-25 2025 Napa Mount Saint Helena. Comment
  SBBG50580  Ceanothus jepsonii R. F. Denno 1967-4-15 50 Napa 1 mi N on Lower Chiles Valley Rd off St Hwy 128 228 Comment
  UCD144307  Ceanothus jepsonii G. F. Hrusa 1995-4-2 12049 Napa Along Hwy 128 approx. 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W. of Nichellini Winery. 250 Comment
  CAS-BOT-BC32695  Ceanothus jepsonii var. albiflorus John Thomas Howell 1937-7-18 13100 Napa Mt. St. Helena Creek, northern part of county Comment
  SDSU10322  Ceanothus jepsonii var. albiflorus Claire Schneider, Gary Waayers 1993-4-10 10 IV93E Napa Located off of State Hwy 128 at mile marker 15.35. Comment
  UCD149665  Ceanothus oliganthus 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
  SEINET4208225  Ceanothus oliganthus var. oliganthus Richard R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa.; 0 143 Comment
  JEPS42213  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-28 14002 Napa n Wooden Vally Grade (Tranchos Creek) Comment
  RSA398923  Ceanothus oliganthus var. sorediatus Robert M Specht 1977-4-18 681 Napa Along N side of Develhead road in basin betw small hillocks. 451 Comment
  CAS-BOT-BC47999  Ceanothus parryi Peter H. Raven 1964-5-9 19061 Napa Edge of redwood grove along dirt road 2 miels west of Aetna Springs Comment
  CAS-BOT-BC53177  Ceanothus parryi C. Hart Merriam 1915-6-19 s.n. Napa Ridge west of Napa (between Napa and Sonoma, above Sequoia Resort) Comment
  CAS-BOT-BC53223  Ceanothus parryi Alice Eastwood 1915-6-6 4657 Napa Mt. St. Helena Comment
  RSA26084  Ceanothus parryi Lester Rowntree 1933-4-17 s.n. Napa Near St. Helena Comment
  UC18398  Ceanothus parryi Willis L. Jepson 1893-5-6 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  UCD95981  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7070 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  RSA202156  Ceanothus purpureus W. L. Jepson 1924-4-27 10321 Napa Howell Mt., a little below Toland House on Sanitarium road. 549 Comment
  SEINET3075748 Image available Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley. Comment
  SJSU14052  Ceanothus purpureus C. L. Schmidt 1987-5-24 1183 Napa Mt George off Monticello Rd CA-121 396 Comment
  UC903053  Ceanothus purpureus Ethel Crum 1937-4-19 1775 Napa Mount George, Napa Range, six miles North of Napa 304 Comment
  UCD112681  Ceanothus purpureus J. Street 1950-4-24 s.n. Napa 4 miles north of Napa, 2 feet high. Comment
  UCD123868  Ceanothus purpureus D. O. Burge 2007-5-4 904 e Napa Wooden Grade, north-east of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles (5.3 km) east of Atlas Peak Road or 2.3 road miles (3.7 km) west of Wooden Valley Road, at mile marker 13.88, 9.28 km 46 deg. (True) ENE of Napa. 360 Comment
  UCD73418  Ceanothus purpureus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD73426  Ceanothus purpureus Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UC1736103  Ceanothus sonomensis Dean W. Taylor 1998-6-3 16455 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UCD112700  Ceanothus sonomensis Heidi E. M. Dobson 1978-4-2 294 Napa East slope of Mt. Veeder. Comment
  SEINET265705  Ceanothus tomentosus Royal D. Suttkus 1967-6-26 67- 30 -12 Napa Clearly Reserves 7.2 miles northwest of Pope Valley. Comment
  JEPS68364  Ceanothus velutinus L. R. Heckard 1972-6-26 2998 Napa below radar station (se of lookout on peak); 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
  UCSB45558  Centaurea calcitrapa Roos, John 1957-6-28 Napa Napa Comment
  JEPS106534  Centaurium muehlenbergii Jake Ruygt 1995-7-12 3515 Napa about 2 miles south of Lake Hennessey on private drive (Taylor 432 Comment
  UC153976  Centaurium muehlenbergii Joseph P. Tracy 1905-7-6 2227 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  UC1198628  Centaurium trichanthum Joseph P. Tracy 1938-6-5 15829 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, Moores Creek 396 Comment
  JEPS81885  Centaurium trichanthum Roger Raiche 1982-7-25 20641 Napa Butts Canyon Road Comment
  UC1222140  Centaurium trichanthum Joseph P. Tracy 1950-8-11 19302 Napa between Napa City and Yountville; Napa Valley, Calistoga Hot Springs 30 Comment
  UC878329  Centaurium trichanthum Milo S. Baker 1938-8-22 9223 Napa just s Lake-Napa County line (Lower Lake-Knoxville Road) Comment
  CAS-BOT-BC271539  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
  UC1223089  Centromadia parryi subsp. parryi Joseph P. Tracy 1950-8-11 19301 Napa Calistoga Hot Springs Comment
  CAS-BOT-BC279257  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
  UCD118140  Cerastium glomeratum Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station, along undeveloped road, south side of road. 519 Comment
  UCD48855  Cerastium glomeratum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 29 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-0ff Rd. 152 Comment
  CAS-BOT-BC179383  Cercis occidentalis Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  CAS-BOT-BC179384  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 miles SE of Monticello, Putah Creek Canyon. Comment
  JEPS107196  Cercis occidentalis Jake Ruygt 1994-3-26 3335 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 82 Comment
  LA45606  Cercis occidentalis Ethel Crum; 1937-8-8 1956 Napa Putah Creek Canyon, 7 mi. SE of Monticello Comment
  UC1540471  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 mi se Monticello; Putah Creek Canyon Comment
  CAS-BOT-BC179382  Cercis occidentalis H. E. McMinn 1925-1-23 1375 D Napa unspecified Comment
  CAS-BOT-BC135485  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-7-2 5758 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC135489  Cercocarpus betuloides var. betuloides Mrs. Elizabeth Wright 1920-2-22 s.n. Napa Calistoga Comment
  JEPS45528  Cercocarpus betuloides var. betuloides Willis L. Jepson 1893-5-22 13868 Napa E of Calistoga (Pope Valley grade near the Palisades); Napa River Basin Comment
  UC12148  Cercocarpus betuloides var. betuloides Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  CAS-BOT-BC284566  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills sw. of St. Helena Comment
  CAS-BOT-BC284568  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1931-4-19 6459 Napa Conn Valley Comment
  CAS-BOT-BC284572  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-6 2823 Napa Burn below Conn Dam 274 Comment
  CAS-BOT-BC284573  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1952-5-26 4060 Napa Nr. Walter's Springs 170 Comment
  CAS-BOT-BC284574  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-20 2852 Napa Hills W. Oakville 548 Comment
  HSC43957  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-19 688 Napa Along drainage running NE from Adams Creek. Comment
  UC699713  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1894-5-1 Napa ridges above Napa Valley (Conn Valley) Napa Valley (Conn Valley); above Napa Valley (Conn Valley) Comment
  UC90157  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Pacific Coast, Knoxville Comment
  UCD161583  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 2008-4-12 5283 Napa Zim Zim Creek about 1.5 miles northwest of falls. (Coordinates converted from UTM data by label maker.) 438 Comment
  JEPS106429  Chamaesyce nutans Jake Ruygt 1979-8-6 789 Napa .3 miles south of Oak Knoll Ave. on Solano Ave. 30 Comment
  JEPS106425  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1978-10-22 425 Napa .3 miles north of Airport Rd., Sheehy Cr 6 Comment
  JEPS115769  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 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
  SEINET10844555  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 Ahart 16437 -A Napa T8N, R3E, east border of southwest 1/4 Section 30. Normal size plant, on dry bare soil, below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3-4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC1427385  Cheilanthes covillei Alan R. Smith with J. Eckenwalder 1974-5-1 656 Napa junction of Lower Chiles Valley Rd and State Hwy 128 Comment
  UC1093986  Cheilanthes intertexta Herbert L. Mason 1925-1-22 1209 Napa Wooden Valley Grade Comment
  UCD20503  Cheilanthes intertexta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1074 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
  CDA29723  Chenopodium ambrosioides M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 221 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
  JEPS59711  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa St. Helena Comment
  JEPS59713  Chenopodium ambrosioides W. L. Jepson 1892-10-22 Napa St. Helena Napa River Comment
  UC924253  Chenopodium multifidum H. S. Reed 1948-11-5 2028 Napa 2 mi n Monticello; Berryessa Valley Comment
  JEPS58858  Chimaphila menziesii Willis L. Jepson 1894-7-19 14655 Napa Mt. St. Helena near Toll House; Napa R. Basin, Mt. St. Helena Comment
  UCD48758  Chlorogalum pomeridianum M. Eng 2002-5-4 7 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 297 Comment
  JEPS129032  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 2016-5-14 6257 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UCD48268  Chlorogalum pomeridianum var. pomeridianum C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 13 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
  JEPS128905  Chloropyron molle Jake Ruygt 1979-7-29 783 Napa Fagan's Marsh. Cuttings Wharf 7.5' Quad. Comment
  UCD149672  Chorizanthe membranacea Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS120358  Chorizanthe stellulata Jake Ruygt 2010-5-13 5550 Napa Snell Valley, Missimer Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS106527  Cicendia quadrangularis Jake Ruygt 1982-5-4 1226 Napa Suscol plain between Steel Mill and HWY 29 (221) 3 Comment
  CAS-BOT-BC285219  Cichorium intybus John Thomas Howell 1940-5-19 15443 Napa Near Napa Comment
  RSA95088  Cichorium intybus Joseph A. Ewan 1933-9-17 7998 Napa Vacant lot in Napa, Napa Valley Comment
  OBI76874  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  CAS-BOT-BC286571  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7426 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC286576  Cirsium occidentale var. venustum Peter H. Raven 1950-6-20 2328 Napa St. Helena to Conn Valley, Napa Range Comment
  JEPS59313  Cirsium occidentale var. venustum W. L. Jepson 1936-7-6 17650 Napa Sage Canyon Napa Range, Sage Canyon Comment
  UC30821  Cirsium quercetorum Willis L. Jepson 1893-6-24 Napa near Napa; Napa River Basin Comment
  CAS-BOT-BC288696  Cirsium remotifolium John Thomas Howell 1941-6-21 16314 A Napa Hills SW of St Helena Comment
  CAS-BOT-BC288698  Cirsium remotifolium John Thomas Howell 1931-4-19 6437 Napa Spring Mt Rd, 3 miles from St Helena Comment
  UC127474  Cirsium remotifolium var. odontolepis Harley P. Chandler Sep 7 1906-Sep 14 1906 7151 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC469085  Cirsium remotifolium var. odontolepis H. P. Chandler 1907-5-30 7601 Napa St. Helena White Sulphur Spr., St. Helena Comment
  UCD49178  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 12 Napa Quail Ridge UC Reserve, northern tip of ridge, in open grassy area N of power lines. 274 Comment
  UC1299420  Clarkia amoena Freed W. Hoffman 1947-6-18 1649 Napa Pope Valley road North Coast Ranges Comment
  UC930763  Clarkia amoena Alice Eastwood, John Thomas Howell 1939-6-11 7421 Napa sw Oakville; Hood Mt. Range Comment
  UC1299419  Clarkia amoena Freed W. Hoffman 1947-6-19 1652 Napa near Knoxville; North Coast Ranges 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
  UCD63051  Clarkia concinna D. Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 Comment
  UCD69057  Clarkia concinna P. Rodriguez-Rojo 1997-5-17 s.n. Napa Chiles and Pope Valley Rd. 200 Comment
  UCD71256  Clarkia concinna Linda Coats 1983-6-3 54 Napa Lower Chiles Valley Road, 3 miles north of State Highway 128. 259 Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa Valley Comment
  CAS-BOT-BC172180  Clarkia concinna J. H. Thomas; H. A. Thomas 1954-6-16 541 Napa Mt. Veeder Rd., about 8 miles NW of Napa, along the north fork of the Napa River Comment
  POM38096  Clarkia concinna subsp. concinna Marcus E. Jones 1881-7-6 s.n. Napa St. Helena. 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
  JEPS43654  Clarkia gracilis subsp. sonomensis W. L. Jepson 1904-5-28 2429 Napa St. Helena York Creek Comment
  SEINET4145440  Clarkia gracilis subsp. sonomensis K. Brandegee 1910-5-22 120 Napa Mountain flopes 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
  JEPS110695  Clarkia gracilis subsp. tracyi Jake Ruygt 1982-6-13 1324 Napa Chiles Valley 297 Comment
  JEPS110764  Clarkia gracilis subsp. tracyi Jake Ruygt 1980-6-22 939 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  JEPS85844  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  UCD63050  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UCD104893  Clarkia purpurea Bill Wardell 1961-5-12 30 Napa Coast Range, 12 miles N of Napa along State Highway 37. Comment
  JEPS120334  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2005-5-21 4858 Napa Skyline Park, base of Rimrock Trail. Mount George 7.5' Quad. Comment
  UCD48059  Clarkia purpurea subsp. quadrivulnera M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 8 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  CAS-BOT-BC163825  Clarkia purpurea subsp. quadrivulnera Dr. E Goodman 1921-5-23 s.n. Napa Mt. St. Helena Comment
  UCD167276  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1986-5-10 1759 Napa Devil's Canyon. 591 Comment
  CAS-BOT-BC439132  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-21 1727 A Napa St. Helena Creek below Patten's Comment
  JEPS112618  Claytonia exigua subsp. exigua Jake Ruygt 1998-6-15 4032 Napa Mt. St. Helena, below SW peak. 1127 Comment
  JEPS43324  Claytonia gypsophiloides W. L. Jepson 1910-3-28 4020 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  CAS-BOT-BC439377  Claytonia gypsophiloides K. L. Chambers 1978-3-20 4438 Napa Hwy. 128 N of Calistoga, ca. 100 yds. E of Sonoma Co. line (2.5 mi. N of junction with Tubbs Lane Cutoff). Comment
  JEPS112601  Claytonia parviflora subsp. parviflora Jake Ruygt 1992-3-10 2850 Napa Johnson's Meadow ; Wild Horse Valley Ranch 426 Comment
  JEPS112613  Claytonia parviflora subsp. parviflora Jake Ruygt 1997-3-18 3805 Napa Greenfield Road 213 Comment
  UCD48079  Claytonia parviflora subsp. parviflora Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 39 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
  JEPS77938  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1794 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  CAS-BOT-BC91451  Clematis lasiantha Gilbert Muth 1967-4-9 612 Napa Aetna Springs Road. 304 Comment
  UCD95609  Clematis lasiantha Lynn B. Hendrix 1962-5-5 43 Napa South end of Lake Berryessa. Comment
  CAS-BOT-BC92684  Clematis ligusticifolia John Thomas Howell 1929-8-4 4365 Napa One mile below Samuel Springs, Pope Creek Canon [Canyon], Napa Range. Comment
  HSC38124  Collinsia heterophylla Thomas W. Nelson, Jane P. Nelson, James Nelson, J. P. Smith 1976-4-12 2351 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  JEPS7343  Collinsia heterophylla W. L. Jepson 1938-5-18 18795 Napa above St. Helena Sanitarium; Howell Mt. Comment
  CAS-BOT-BC474519  Collinsia sparsiflora G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12029 Napa Quail Ridge Reserve, at entrance gate 290 Comment
  CHSC10676  Collinsia sparsiflora var. arvensis Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS6322  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-26 21334 Napa Yountville, La Lomita Yountville; Napa River Basin Comment
  UCR139462  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Coast Range, Conn Valley 183 Comment
  POM15100  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Calistoga. Comment
  RSA195365  Collinsia sparsiflora var. arvensis Gilbert Muth 1967-3-31 598 Napa Old Howell Mountain road. 457 Comment
  UC1238964  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-20 837 Napa North Coast Ranges, Wooden Valley Wooden Valley; North Coast Ranges, Wooden Valley Comment
  JEPS17750  Collinsia sparsiflora var. collina Francia Chisaki 1957-5-30 965 Napa along State Highway 37 Summit of grade between Wooden Valley Creek and Capell Creek 344 Comment
  CDA12026  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1990-3-19 7502 Napa North Coast Biodiversity Arena; Hwy 128 immediately E of Lake Berryessa. Comment
  UCD48206  Collinsia sparsiflora var. sparsiflora A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 20 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD49270  Collinsia sparsiflora var. sparsiflora Kook-Hyun Chung 2001-4-28 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Rd., ca. 0.45 miles (2400 ft.) NW of jct with South Decker Canyon Road; downslope of road ca. 20 m. 242 Comment
  UC147867  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS101657  Collomia diversifolia Dean W. Taylor 1998-6-3 16467 Napa dirt rd 0.4 miles N Twin Peak Mine, Bateman Cr drainage 579 Comment
  UC1278746  Collomia diversifolia G. L. Stebbins Jr. 1948-5-9 Napa 6.5 mi se Pope Valley (ne-facing slopes); Chiles Valley Comment
  UCD112237  Collomia heterophylla Christopher Mallek 2008-5-12 AS2- 7 Napa Aetna Springs. 668 Comment
  POM263160  Collomia heterophylla J. C. Roos 1939-4-29 260 Napa Blake's Canyon, Howell Mt. Comment
  JEPS129156  Conium maculatum Jake Ruygt 1978-6-18 358 Napa 100 yards east of Maxwell Bridge. Napa 7.5' Quad. Comment
  RSA92939  Cordylanthus mollis subsp. mollis Peter H. Raven 1952-8-26 s.n. Napa Bentley Wharf 15 Comment
  JEPS69349  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang and Carl Chuang 1972-7-22 7073 Napa 2 mi n St. Helena (summit of route 29) Comment
  UCR78362  Cordylanthus pringlei T. I. Chuang, F. M. Chuang 1970-8-25 6842 Napa North Coast Range, Just south of Lake County line, on U.S. Hwy 29 463 Comment
  UCD170468  Cordylanthus tenuis subsp. brunneus Daniel Potter; Ninh Khuu 2016-6-18 897 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 454 Comment
  HSC38389  Cornus glabrata J. P. Smith, J. O. Sawyer 1970-5-17 3791 Napa 12 mi. N of Pope Valley. Comment
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Jun 12 2012
  JEPS50114  Cornus glabrata W. L. Jepson 1893-9-21 14149 Napa Wooden Valley Comment
  CAS-BOT-BC209415  Cornus nuttallii John Thomas Howell 1926-3-21 1709 Napa St. Helena Creek near Patten's 701 Comment
  JEPS50156  Cornus nuttallii W. L. Jepson 1896-2-22 14142 Napa Howell Mt. Comment
  SEINET265717  Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC796621  Cornus nuttallii Ira L. Wiggins 1949-4-30 12090 Napa along draw on n.e. flank of Mt. St. Helena 914 Comment
  UC127159  Cornus sericea subsp. sericea Harley P. Chandler Sep 7 1906-Sep 14 1906 7150 Napa Alta Loma Ranch 487 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
  UCD130915  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga. Comment
  JEPS106393  Crassula aquatica Jake Ruygt 1979-4-19 526 a Napa Suscol hill east of HWY 29 (221) 28 Comment
  JEPS49989  Crassula aquatica Willis L. Jepson 1893-4-27 13442 Napa Napa City Napa R. Basin, Napa City Comment
  CAS-BOT-BC427748  Crassula connata Peter H. Raven 1953-4-2 5242 Napa Hills e. of Imola 121 Comment
  JEPS129024  Crepis pulchra Jake Ruygt 2016-5-7 6240 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD74322  Crepis pulchra Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS117993  Crepis pulchra Zoya Akulova-Barlow 2011-5-22 Napa South of Youngtville, between Solano Avenue and rail road. Comment
  JEPS106398  Cressa truxillensis Jake Ruygt 1981-7-20 1070 Napa Fagan's Marsh 2 Comment
  OBI49310  Crocanthemum scoparium Joseph Andorfer Ewan 1934-4-30 8825 Napa Sarco crk, 4 mi above Napa Comment
  JEPS31093  Crocanthemum scoparium var. vulgare W. L. Jepson 1938-5-20 18804 Napa slope above St. Helena Sanitarium (open slope above vineyard); Howell Mountain Comment
  CDA43110  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  RSA0020855  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  SEINET4343824 Image available Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  UCD37519  Crypsis vaginiflora Beecher Crampton 1954-10-26 2302 Napa South Napa. Comment
  CAS-BOT-BC189250  Cryptantha John H. Thomas 1958-4-19 7125 Napa About 2 miles SW of Oakville 152 Comment
  UCR141015  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa Inner North Coast Ranges, 8 miles southwest of Monticello, along highway 128 305 Comment
  JEPS100842  Cryptantha hispidula Dean Wm. Taylor with Mey Akasah 1999-6-4 17218 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UC55902  Cryptantha hispidula J. P. Tracy 1902-5-21 1575 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD161696  Cryptantha hispidula Jake Ruygt 2010-5-1 5530 Napa southwest of end Cedar-Pocock Creek Road. (Coordinates converted from UTM data by label maker.) 365 Comment
  UC1278106  Cryptantha hispidula Beecher Crampton 1955-4-7 2442 Napa 0.5 mi nw Knoxville (ne Napa County) Comment
  UCD119813  Cryptantha hispidula Robert E. Preston 1988-4-10 574 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, on a southeast-facing serpentine slope. 268 Comment
  JEPS106705  Cryptantha muricata Jake Ruygt 1998-5-16 3968 Napa Maggie's Peak, south of Bismark Knob. 603 Comment
  JEPS106881  Cryptantha muricata Jake Ruygt 1996-4-12 3603 b Napa Blue Ridge, north of Monticello Dam. 621 Comment
  JEPS106882  Cryptantha muricata Jake Ruygt 1983-6-12 1492 Napa Mt.St.Helena 685 Comment
  UCD161328  Cryptantha muricata Jake Ruygt 1980-5-13 884 Napa 3 miles south of Oakville Grade on Dry Creek Road. (Coordinates estimated by label maker at UC Davis). 182 Comment
  JEPS106880  Cryptantha torreyana Jake Ruygt 1998-6-20 4044 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  CHSC108742  Cupressus macnabiana B. Castro; L. P. Janeway 2002-5-12 1362 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  SEINET3930653  Cupressus macnabiana David Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UCD47752  Cupressus macnabiana R. Blenkush; S. Hee, C. McWhorter. J. Moeller 2000-4-22 1 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  CAS-BOT-BC85489  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 276 Napa Pope Canyon, between Monticello and Pope Valley P.O. Comment
  CDA10848  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11785 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 237 Comment
  CDA11909  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-8 11715 Napa North Coast Biodiversity Arena; Tree 8 meters tall, upper hillslopes above road on small rivulet. Serpentine area approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS79566  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1822 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  RSA129447  Cupressus sargentii B. O. Schreiber 1936-9-20 2357 Napa 5 miles S of Reiff. 762 Comment
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Jun 14 2013
  UCD133660  Cupressus sargentii C. B. Wolf; E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about .5 mi. SW of Quicksilver Mine. 457 Comment
  UCD160762  Cuscuta Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8632 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
  UCD167093  Cuscuta brachycalyx Jake Ruygt 2015-7-4 6146 Napa Missimer -Snell Valley Preserve. 180 Comment
  UCD170470  Cuscuta brachycalyx Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 899 Napa Knoxville Wildlife Area, west slope of ridge above upper Zim Zim Creek drainange east of Knoxville-Devilhead Road. 490 Comment
  UCD69069  Cuscuta californica P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. Butts Creek. Parasite on annual grasses. UTM: 10SEN4884 180 Comment
  POM180775  Cuscuta indecora J. T. Howell 1930-10-19 5624 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
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Feb 4 2011
  JEPS126095  Cuscuta pacifica var. pacifica Jake Ruygt 1981-7-20 1067 Napa Fagan's Marsh. Cuttings Wharf 7.5' Qua. Comment
  JEPS116547  Cuscuta pentagona Jake Ruygt 1979-6-30 730 Napa 0.15 mile north of Ragatz Lane on Highway 29. 7.5' Yountville Quad. Comment
  UC450145  Cuscuta subinclusa Milo S. Baker Aug 1900 Napa near S.P.R.R. drawbridge; Napa River Comment
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Jan 7 2012
  UCD167098  Cuscuta subinclusa Jake Ruygt 2015-6-13 6130 Napa Fernandes - Snell Peak, Land Trust. 360 Comment
  UCD95902  Cynoglossum grande Ellen Dean; with Clare Loughran 2011-5-20 7045 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CDA1948  Cynosurus echinatus G. Breuer Jul 1957 Napa Calistoga. 0 Comment
  UCD121132  Cynosurus echinatus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7342 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  CAS-BOT-BC114681  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  RSA365070  Cyperus eragrostis Anonymous 1924-07 s.n. Napa Near St. Helena Comment
  UCD141114  Cyperus eragrostis W. R. Russell 1952-8-8 s.n. Napa Y' north of Vallejo. Comment
  OBI72042  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7965 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Crk in North Coast Range, E of boat-launching ramp on SE edge 91 Comment
  SD211488  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey circa 15 airmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  CHSC14003  Cystopteris fragilis C. Eiser 1974-4-24 30 Napa Ne Hwy 128, ca. 6 mi from Markley Canyon Launching, Lake Berryessa. 365 Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  SD27914  Cystopteris fragilis Carl B. Wolf 1928-5-3 1842 Napa St. Helena Grade north of Calistoga Comment
  SEINET893038  Cytisus canariensis David Lawfer 1952-1 154 Napa Napa. Comment
  JEPS122996  Dactylis glomerata Jake Ruygt 1983-6-5 1488 Napa Oak Shores Resort, Lake Berryessa. Quad: Lake Berryessa. Comment
  UCD95974  Danthonia californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7068 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CHSC102261  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UC657703  Datura wrightii Mrs. Hess 1941-8-27 10170 Napa near bridge at St. Andrews Camp Mt. St. Helena Comment
  RSA140818  Daucus carota John H. Thomas 1960-8-29 8839 Napa About 1 mile north of Calistoga along highway number 53 Comment
  JEPS129031  Daucus pusillus Jake Ruygt 2016-5-21 6259 Napa Wantrup Wildlife Preserver, Hardin Road. Santa Helena 7.5' Quad. Comment
  UC9220  Delphinium Willis L. Jepson 1893-5-2 Napa Pope Valley grade Napa River Basin Comment
  UCD18168  Delphinium hesperium 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
  LA207642  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Fairfield road, 1.5 mi. S of road to St. Helena Comment
  SEINET13094844  Delphinium hesperium f. pallescens Joseph Andorfer Ewan 1934-1 8835 Napa Along Steel Canyon Rd. 1/2 mi. from jct. with Monticello-Winters Rd. Comment
  UC467744  Delphinium hesperium subsp. hesperium Katharine Brandegee Napa Pope Valley Grade Comment
  JEPS127855  Delphinium hesperium subsp. pallescens Adam C. Schneider with Will Freyman 2014-5-17 600 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road). Comment
  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
  CAS-BOT-BC10109  Delphinium hesperium subsp. pallescens John Thomas Howell 1939-4-30 14622 Napa Near Walter Springs Comment
  JEPS41079  Delphinium hesperium subsp. pallescens Rimo Bacigalupi and L. R. Heckard 1965-5-15 9094 Napa along creek about 1 mi w Devilhead Road (from Cedar Valley to Knoxville) (edge of small valley); Zim Zim Creek 487 Comment
  LA207502  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-9-5 sn Napa 13.4 mi. N of Monticello Comment
  UC725545  Delphinium hesperium subsp. pallescens A. A. Heller 1941-5-16 16124 Napa along creek s Knoxville (roadside banks); Eticura Creek Comment
  CDA11174  Delphinium nudicaule G. F. Hrusa 1988-4-16 5538 Napa North Coast Biodiversity Arena; Hwy. 128 ~ 2 miles S of Lower Chiles Valley Rd. 140 Comment
  UC160908  Delphinium nudicaule Joseph P. Tracy 1902-5-15 1478 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD96052  Delphinium nudicaule W. R. Russell; A. D. Graham 1954-5-5 s.n. Napa North side of hills, in small canyon; 10.2 miles south of Pope Valley Store, Chiles Valley. Comment
  POM220822  Delphinium nudicaule Belle Richardson 1930-6-8 s.n. Napa On the old toll road below Pattens, Mt St. Helena Comment
  UC160910  Delphinium patens Joseph P. Tracy 1902-5-15 1475 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC160911  Delphinium patens Joseph P. Tracy 1902-5-16 1509 Napa on hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  POM182738  Delphinium patens D. D. Keck 1931-4-2 1047 Napa 4 miles S of Monticello, eastern Napa County. Comment
  RSA304849  Delphinium patens subsp. patens James R. Shevock 1971-4-8 922 Napa Hwy 29, near county line. 549 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
  SFV1290  Delphinium uliginosum A. Day 1965-5-15 65 126 Napa Cedar Valley, west of Lake Berryessa. Comment
  UC1328141  Delphinium uliginosum Donald V. Hemphill 1941-5-15 167 Napa 2 mi se Angwin (seepage slopes); Blakes Canyon 426 Comment
  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-BC17174  Delphinium variegatum Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC7907  Delphinium variegatum Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Road, near Napa Comment
  LA207580  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-8 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  POM182731  Delphinium variegatum subsp. variegatum D. D. Keck 1931-4-2 1054 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UC112888  Dendromecon rigida Katharine Brandegee 1889-4 Napa a few hundred feet above Toll House; Mt. St. Helena Comment
  CAS-BOT-BC655  Dendromecon rigida subsp. rigida Elmer Ivan Applegate 1934-3-31 8866 Napa Putah Creek region, Mayacama mountains, south of Cobb Mt. Comment
  CAS-BOT-BC656  Dendromecon rigida subsp. rigida Amos Arthur Heller 1940-6-13 15737 Napa East side of Mt. St. Helena on the rd leading to the summit just above the jctn. of the trail from the Stevenson Tablet. Comment
  CAS-BOT-BC657  Dendromecon rigida subsp. rigida Severin A. Baumann 1953-7-4 10 Napa Top of rocky hill, on edge of highway 2 miles from Oakville between Boyes Springs and Oakville. 213 Comment
  CDA11314  Deschampsia cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Arena; Butts Canon, ~6 m. N Aetna Springs. Comment
  SEINET200211 Image available Deschampsia danthonioides P. H. Raven 1957-5-5 10746 Napa About alkaline springs near airport Calistoga 91 Comment
  UCD164842  Deschampsia danthonioides Jake Ruygt 2012-5-19 5849 -b Napa Near Stone Corral Creek, Spanish Valley. 219 Comment
  UCD63727  Deschampsia elongata E. Wilson 1934-8-1 Napa Mt. St. Helena. Comment
  UCD73501  Deschampsia elongata Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC3238  Dichelostemma capitatum Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin Comment
  UCD48778  Dichelostemma capitatum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 27 Napa Quail Ridge Reserve, along Decker Ridge Rd., N of jct with South Decker Canyon Road. 335 Comment
  CAS-BOT-BC499421  Dichelostemma capitatum Elizabeth Wright 1922-4-1 s.n. Napa Calastoga Comment
  UC333348  Dichelostemma capitatum unknown 1889-4-28 Napa above Calistoga Comment
  UCD14208  Dichelostemma capitatum Jim McKenna 1974-4-28 45 Napa 2 mi. south-east of Calistoga along the Silverado Trail, 2 mi. east on Dutch Henry Road. 487 Comment
  UCD14947  Dichelostemma capitatum Jonathan M. Irvine 1977-4-16 100 Napa California, Napa Co.; 6.4 miles SSW of Monticelo Dam along Highway 128. 182 Comment
  UCD169882  Dichelostemma capitatum subsp. capitatum Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 728 Napa Knoxville Wildlife Area. 352 Comment
  UCD170816  Dichelostemma capitatum subsp. capitatum 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UC765931  Dichelostemma congestum R. F. Hoover 1941-4-26 4924 Napa Pope Valley Comment
  UCD96200  Dichelostemma multiflorum Ellen Dean; with Clare Loughran 2011-5-20 7078 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
  JEPS110905  Dichelostemma volubile Jake Ruygt 1992-5-15 2963 Napa in the vale east of Johnson's Meadow 457 Comment
  UCD18162  Dichelostemma volubile Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC153779  Diplacus angustatus John Thomas Howell 1940-5-19 15465 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC153781  Diplacus angustatus J. P. Tracy 1902-5-18 1536 Napa La Jota Plateau, Howell Mountain; Head of Moore's Creek 3-4 miles East of Angwin's 518 Comment
  CAS-BOT-BC150360  Diplacus aurantiacus Richard R. Halse 1989-5-13 3833 Napa Along State Hwy. 29, on the Calistoga Grade, 2.7 miles north of Calistoga 240 Comment
  CAS-BOT-BC153282  Diplacus kelloggii Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC153408  Diplacus layneae J. W. Stacey 1933-5-15 s.n. Napa Howell Mt. Comment
  SBBG28903  Diplacus layneae M. S. Baker 1947-7-7 11849 Napa St. Helena Range, ca. 1.5 mi S along Wood Rd from Mt St. Helena Inn 914 Comment
  CDA10950  Disporum hookeri G. F. Hrusa, G. L. Stebbins 1994-4-8 11708 Napa North Coast Biodiversity Arena; Las Posadas State Forest. Main canyon of upper Moore's Creek. Comment
  UC796623  Disporum hookeri Ira L. Wiggins 1949-4-30 12088 Napa Mount St. Helena 914 Comment
  CAS-BOT-BC208623  Distichlis spicata Peter H. Raven 1951-6-24 3024 Napa Inter, Brown's Valley to Napa-Sonoma Rd. 91 Comment
  CAS-BOT-BC208624  Distichlis spicata Peter H. Raven 1951-9-9 3909 Napa Slaughterhouse Pt., Napa River 0 Comment
  SBBG115721  Distichlis spicata B. Crampton 1962-5-8 6412 Napa ca. 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  CDA33361  Dittrichia graveolens Robin Breckenridge 2010-9-29 PDR# 5059105 Napa Lake Berryessa. 0 Comment
  UCD169857  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along all the sides of the roads at the intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 miles, about 20 miles(air) west of Winters. 152 Comment
  JEPS112626  Dodecatheon hendersonii Jake Ruygt 1977-4-3 168 Napa hills east of Lake Berryessa at north end (Green Canyon) 243 Comment
  UC105761  Dodecatheon hendersonii Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UCD117942  Dodecatheon hendersonii Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Just northeast of the fire station about 0.1 mile down undeveloped road. Northwest side of road. 518 Comment
  UCD151055  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa 2 miles from St. Helena on Pope Valley Road. 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
  UC725316  Dodecatheon hendersonii A. A. Heller 1929-3-16 14817 Napa grade near foot Mt. St. Helena; grade near foot of Mt. St. Helena Comment
  UCD15066  Dodecatheon hendersonii Mark Harder 1977-4-16 8 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest 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
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  POM59145  Downingia pusilla A. A. Heller, H. E. Brown 1902-4-25 s.n. Napa Near Napa Comment
  UC673417  Draba verna Herbert L. Mason 1926-3-14 2739 Napa Mt. St. Helena Comment
  CAS-BOT-BC159628  Drymocallis glandulosa var. glandulosa John H. Thomas 1955-5-21 5100 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC70942  Dryopteris arguta Elsa G. Ruckert 1960-3-12 22 Napa Bordering private road leading to 6495 Dry Creek Road 365 Comment
  CHSC31985  Dryopteris arguta L. Ahart 1976-3-7 1020 Napa Above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  JEPS60038  Dryopteris arguta W. L. Jepson 1936-7-2 17646 Napa Angwin Meadow Howell Mts; Napa Range Comment
  HSC1036  Dryopteris arguta C. B. Wolf 1928-5-3 1841 Napa At the summit of the Mt. St. Helena Grade Comment
  UC166484  Dudleya cymosa Joseph P. Tracy 1902-5-22 1630 Napa 3-4 mi e Angwin's (on hills at head of More's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UCD47954  Dudleya cymosa A. Laffin; S. Holck, A. Randall 2002-4-13 5 Napa Napa County, McLaughlin UC Reserve, North of Knoxville-Berryessa Road and ca. 0.5 airline mile WSW of old town of Knoxville. 437 Comment
  CAS-BOT-BC428156  Dudleya cymosa subsp. cymosa Alice Eastwood 1930-4-1 s.n. Napa In canon on way to Pope Valley Comment
  JEPS115733  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  JEPS122983  Echinochloa crus-galli Jake Ruygt 1986-8-23 1904 b Napa Conn Creek west of the spillway. Quad: Rutherford. Comment
  SEINET186064 Image available Echinochloa crus-galli V. E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena); near pumping plant 111 Comment
  SEINET3928609  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena).; 0 111 Comment
  UCD161323  Echinodorus berteroi Jake Ruygt 1979-8-11 792 Napa Lake Hennessey. (Coordinates estimated by label maker at UC Davis). 96 Comment
  CAS-BOT-BC113338  Eleocharis montevidensis Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon. Comment
  CAS-BOT-BC112167  Eleocharis radicans Peter H. Raven 1952-8-25 5127 Napa Nr. Lokoya. 609 Comment
  CAS-BOT-BC112222  Eleocharis rostellata Peter H. Raven 1957-5-5 10753 Napa Near hot springs runoff, Calistoga 91 Comment
  CAS-BOT-BC451525  Elodea canadensis Peter H. Raven 1952-5-31 4110 Napa Conn Cr. e. of Yountville 45 Comment
  UC1153913  Elymus glaucus Beecher Crampton 1957-6-4 4097 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD61793  Elymus glaucus Beecher Crampton 1965-6-30 7419 Napa Ridge north of Mt. Vaca. 762 Comment
  UCR267864  Elymus glaucus Stephen P. Rae, Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, c. 1 km west of Angwin. McCrane property 526 Comment
  CAS-BOT-BC203592  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-5-8 5046 Napa 3 miles west of Vacaville Comment
  CAS-BOT-BC203593  Elymus glaucus subsp. glaucus Carl B. Wolf 1928-5-3 1794 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC203594  Elymus glaucus subsp. glaucus Peter H. Raven 1964-5-9 19047 Napa 2 miles west of Aetna Springs Comment
  JEPS76083  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-22 18811 Napa Limekiln Creek Canyon Pope Valley Comment
  JEPS75677  Elymus glaucus subsp. jepsonii W. L. Jepson 1936-5-28 17542 Napa Howell Mt., Adam-and-Eve Ridge Comment
  JEPS122978  Elymus multisetus Jake Ruygt 1982-6-13 1315 Napa Cedar Roughs. Quad: Chiles Valley. Comment
  UCD32570  Elymus multisetus Beecher Crampton 1954-5-20 1923 Napa 4 miles east of Rutherford, along highway 128, southern shore of Conn Reservoir. Comment
  JEPS122728  Epilobium campestre Jake Ruygt 1992-7-4 3061 Napa Margin of Mitten Lake, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  UCD160706  Epilobium campestre Ellen Dean; Jake Ruygt 2015-5-23 8765 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  JEPS128909  Epilobium canum Jake Ruygt 1978-9-9 409 Napa 3 miles NE of Silverado Trail on Deer Park Road. Saint Helena 7.5' Quad. Comment
  CAS-BOT-BC166341  Epilobium canum subsp. canum Mrs. E. C. Sutliffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  UC221421  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi w Monticello (on road to Lower Lake) Comment
  CAS-BOT-BC171953  Epilobium canum subsp. latifolium Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon, Napa River Basin Comment
  CAS-BOT-BC171954  Epilobium canum subsp. latifolium L. R. Abrams 1916-7-2 5753 Napa St. Helena Sanitarium Comment
  UCD167252  Epilobium ciliatum subsp. ciliatum Jake Ruygt 1978-7-10 385 Napa 2465 Redwood Road, Napa. 30 Comment
  UC144088  Epilobium minutum J. P. Tracy 1902-5-16 1499 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD106508  Epilobium minutum Wayne Stoner 1978-4-22 6 Napa West end of Capell Valley. 300 Comment
  UCD118627  Epilobium minutum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  UCSB4279  Epilobium torreyi 1959-6-22 Napa Near southeast shore of Lake Hennessy, Napa Range Comment
  JEPS103962  Equisetum laevigatum Jake Ruygt 1988-4-18 2158 Napa Newell Canyon 60 Comment
  JEPS122653  Ericameria parryi var. latior Jake Ruygt 1979-7-28 777 Napa Mt. St. Helena on fire trail. Quad: Detert Reservoir Comment
  CAS-BOT-BC293618  Erigeron biolettii L. R. Abrams 1916-7-2 5750 Napa Near St. Helena Sanitarium Comment
  CHSC102267  Erigeron canadensis Lowell Ahart 2009-10-27 16477 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
  JEPS106946  Erigeron foliosus var. franciscensis Jake Ruygt 1995-7-6 3512 Napa Niebaum Lane, Niebaum-Coppola Estate. 131 Comment
  CLARK-A1528-2168  Erigeron inornatus John C. Roos 1939-4-16 252 Napa Angwin Comment
  UCD161327  Erigeron philadelphicus Jake Ruygt 1980-5-4 871 Napa Bear Valley. (Coordinates estimated by label maker at UC Davis). 621 Comment
  UCD160747  Erigeron reductus var. angustatus Ellen Dean 2015-5-23 8799 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. 243 Comment
  HSC43918  Eriodictyon californicum Robert M. Specht 1977-4-13 657 Napa South-facing slope 488 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
  UCD48048  Eriodictyon californicum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 2 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD49081  Eriodictyon californicum A. Collier; D. Caterson and S. Kenady 2002-5-4 7 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 1/2 meter. 342 Comment
  UCD49083  Eriodictyon californicum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  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
  JEPS129045  Eriogonum dasyanthemum Jake Ruygt 2016-6-11 6284 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC406871  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi w, on road to Lowerlake Monticello Comment
  UCD164780  Eriogonum dasyanthemum Jake Ruygt 1990-9-26 2611 Napa Northwest corner end of Wooden Valley. 307 Comment
  UC1925867  Eriogonum gracile Ethel Crum Oct 1930 911 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  CAS-BOT-BC266057  Eriogonum luteolum Peter H. Raven 1951-10-28 3929 Napa Conn Valley 152 Comment
  CAS-BOT-BC266067  Eriogonum luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  LA206912  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  UC85728  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1892 Napa Calistoga Comment
  UCD18119  Eriogonum luteolum var. luteolum K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 56 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  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
  JEPS56166  Eriogonum luteolum var. luteolum W. L. Jepson October, 1894 Napa Napa Co. Comment
  UCD170463  Eriogonum nudum var. nudum Daniel Potter; Ninh Khuu 2016-6-18 892 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 442 Comment
  CAS-BOT-BC271624  Eriogonum nudum var. oblongifolium H. E. McMinn 1922-6-8 201 Napa Pope Canyon Comment
  UCD18120  Eriogonum nudum var. oblongifolium K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 57 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  SBBG64259  Eriogonum roseum J. T. Howell 1930-10-19 5604 Napa Conn Crk near entrance of Sage Cyn, Napa Valley Comment
  JEPS120314  Eriogonum umbellatum var. smallianum Jake Ruygt 1998-7-11 4083 Napa Blue Ridge, about 1.5 miles north of Mays Flat. Knoxville 7.5' Quad. Comment
  UCD132167  Eriophyllum lanatum J. D. Clark 1995-5-27 10 Napa collected on trail between 1/4 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State park parking lot. 548 Comment
  UCD160736  Eriophyllum lanatum Ellen Dean 2015-5-23 8788 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  RSA355183  Eriophyllum lanatum L. F. LaPre 1985-4-25 s.n. Napa Rare Plant Cyn, 2 mi SW of Knoxville, just E of Lake Co. Line. 366 Comment
  JEPS106955  Eriophyllum lanatum var. achilleoides Jake Ruygt 1979-6-9 683 Napa 21.1 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 563 Comment
  UC177004  Eriophyllum lanatum var. achilleoides Katharine Brandegee 1909-6-1 Napa Calistoga Comment
  UCD170836  Eriophyllum lanatum var. achilleoides 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. 154 Comment
  UCD18121  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  JEPS34498  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-5-24 18854 a Napa Howel Mts. Napa Range, Howell Mts. Comment
  JEPS34583  Eriophyllum lanatum var. achilleoides Willis L. Jepson 1892-7-17 14553 Napa Knoxville ne Napa County, Knoxville Comment
  JEPS34727  Eriophyllum lanatum var. achilleoides W. L. Jepson 1936-6-2 17600 Napa Sanitarium, e of St. Helena Comment
  UC642443  Eriophyllum lanatum var. achilleoides Joseph Andorfer Ewan 1934-4-30 8814 Napa 4 mi above Napa; Sarco Creek Comment
  UCD159949  Erodium cicutarium Alice Warrick 2007-5-11 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q-49. 243 Comment
  UCD48039  Erodium cicutarium Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 1 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
  JEPS104555  Eryngium aristulatum Jake Ruygt 1982-6-21 1333 Napa Suscol Hill (south of Rocktram) 4 Comment
  JEPS101784  Eryngium aristulatum var. aristulatum Dean W. Taylor 1999-7-20 17287 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  JEPS14257  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-6-6 15837 Napa 5 mi. n. Napa City; Napa Valley 30 Comment
  JEPS166  Eryngium aristulatum var. aristulatum W. L. Jepson 1893-4-27 14280 Napa Yountville Comment
  JEPS17449  Eryngium aristulatum var. aristulatum W. L. Jepson 1894-7-19 14277 Napa big rd. near Tubb's Place above Calistoga; upper Napa Valley Comment
  UC596078  Eryngium aristulatum var. aristulatum R. F. Hoover 1937-8-31 2701 Napa 6 mi. s. Napa Comment
  UC619330  Eryngium armatum Wilhelm N. Suksdorf 1913-7-24 645 Napa near Napa, SW Comment
  UC21007  Eryngium articulatum Willis L. Jepson 1894-1 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  JEPS122697  Eryngium vaseyi Jake Ruygt 1987-5-27 2017 Napa D. F. G. property near Buchli Station. Quad: Cuttings Wharf. Comment
  UCD21548  Erysimum capitatum A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, just N of pool at confluence of Sensitive Plant Canyon and Hunting Creek, along trail to pool from campground. 335 Comment
  UC10529  Erysimum capitatum Willis L. Jepson 1893-5-4 Napa trail to summit Napa River Basin, Mt. St. Helena Comment
  RSA101849  Erysimum capitatum var. capitatum G. B. Rossbach, Ruth P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 mi NE of Napa. 488 Comment
  CAS-BOT-BC133282  Erythronium helenae Elmer I. Applegate 1934-3-11 8842 Napa St. Helena Creek, half a mile south of Lake County line Comment
  RSA52730  Erythronium helenae I. L. Wiggins 1949-4-30 s.n. Napa Mount St. Helena near Lake Co. Line Comment
  SEINET882372 Image available Erythronium helenae Elmer I. Applegate 1932-1 7037 Napa Volcanic crater region of Mount St. Helena. Comment
  UC13786  Erythronium helenae Miss Armstrong Mar. 1900 Napa Oa<t?> Hill Comment
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May 1 2014
  UCD166145  Erythronium helenae John Gibson 2016-3-19 6 Napa Near Aetna Springs, ca 2 mi from jct with Pope Valley Rd and 1.1 miles west of Aetna Springs. 365 Comment
  UC1328143  Erythronium helenae Donald V. Hemphill 1941-3-22 155 Napa 1 mile south of Snell Peak. 335 Comment
  HSC43988  Eschscholzia caespitosa Robert M. Specht 1977-4-13 654 Napa South-facing slope 488 Comment
  UC614560  Eschscholzia caespitosa L. Constance 1938-3-27 2043 Napa near Capell Valley (8 mi s of Monticello); North Coast Ranges, Napa Range, Steel Canyon 304 Comment
  UC1005659  Eschscholzia caespitosa Frank W. Gould 1939-4-6 606 Napa 1 mi n Knoxville (on road to Lower Lake) 457 Comment
  UCD95247  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon along State Hwy 128. Comment
  RSA3295  Eschscholzia caespitosa subsp. caespitosa D. D. Keck 1931-4-3 1064 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  CAS-BOT-BC403333  Eschscholzia californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD73445  Eschscholzia californica Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  CAS-BOT-BC403332  Eschscholzia californica Hilda Smyth 1899-1-1 s.n. Napa Napa Comment
  JEPS129080  Euphorbia crenulata Jake Ruygt 2016-4-5 6177 b Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  POM138120  Euphorbia crenulata Edward L. Greene 1903-4-20 2615 Napa Mt. St. Helena. Comment
  UCD20021  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1217 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  JEPS129137  Euphorbia maculata Jake Ruygt 1978-6-19 365 Napa Trefethen Winery, Oak Knoll Avenue. Napa 7.5' Quad. Comment
  UC2043157  Euphorbia oblongata Barbara Ertter with Jake Ruygt 1996-4-25 14605 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  CDA43111  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  POM182718  Euphorbia spathulata D. D. Keck 1931-4-3 1069 Napa Pope Creek Canyon, near Walter Springs. Comment
  UCD170738  Euphorbia spathulata 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
  UCD20020  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1218 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  CDA29762  Euthamia occidentalis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 220 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
  UCD20757  Euthamia occidentalis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 107 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  CHSC108741  Festuca californica B. Castro; L. P. Janeway 2002-5-12 1366 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  JEPS71214  Festuca californica W. L. Jepson 1934-10-16 16895 Napa Adam-and-Eve Ridge Howell Mt. Comment
  JEPS76088  Festuca californica W. L. Jepson 1938-5-22 18838 Napa Howell Mountain Comment
  UCD160801  Festuca californica Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8681 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
  UCD65830  Festuca californica M. Wiesendanger 1927-5-4 700 Napa Monticello, Napa Road. Comment
  UCR23934  Festuca californica John C. Roos 1939-4-16 275 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  JEPS129082  Festuca microstachys Jake Ruygt 2016-4-16 6192 Napa Smitty Ranch, east of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCR24024  Festuca microstachys John C. Roos 1939-4-29 288 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCR30532  Festuca microstachys John C. Roos 1939-4-15 318 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 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
  UCD66179  Festuca occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS84598  Filago pyramidata var. pyramidata John W. Willoughby 1977-4-20 2139 Napa w side of range Vaca Mountains (latitude approximately that of Mount Vaca) 457 Comment
  UCD162701  Foeniculum vulgare Jake Ruygt 1978-6-18 357 Napa Napa, near railroad track south of Imola Avenue. (Coordinates estimated by label maker at UC Davis). 3 Comment
  UCD121437  Frasera albicaulis var. nitida G. Ledyard Stebbins Jr. 1964-5-24 6156 Napa West of Aetna Springs, ca. 1/2 mile west of Corona Mine. 670 Comment
  HSC46117  Fraxinus dipetala J. P. Smith, J. O. Sawyer 1970-5-17 3787 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  UC1123368  Fraxinus dipetala A. Lewis 1932-5-16 80 Napa Weldon Canyon Napa Quad. 701 Comment
  UC1094037  Fraxinus latifolia Lewis S. Rose 1955-9-26 55190 Napa 4 mi ne Rutherford (below Conn Lake) 60 Comment
  SEINET13943113 Image available Fraxinus latifolia Lewis S. Rose 1955-1 55190 Napa Below Conn Lake; 4 mi NE of Rutherford; ca. 200 ft alt. 61 Comment
  JEPS42891  Fremontodendron californicum W. L. Jepson 1943-5-15 20778 Napa Knoxville Ridge Comment
  RSA77221  Fremontodendron californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  UC584196  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 miles S.E. of Lower Lake on the Monticello road beyond the Napa County line Comment
  UCD116319  Fremontodendron californicum Robert E. Sholars 1975-5-27 43 Napa East side of State Highway 128, 4 miles north of State Highway 121. Comment
  CDA13213  Fremontodendron californicum subsp. napense G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12914 Napa North Coast Biodiversity Arena; Summit of 'The Palisades' above Cub Valley. MonteSol Ranch. Comment
  CAS-BOT-BC130077  Fritillaria affinis Mrs. Elizabeth Wright 1922-3-30 s.n. Napa Calistoga Comment
  JEPS55693  Fritillaria affinis W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  JEPS61904  Fritillaria affinis Willis L. Jepson 1893-5-2 14822 Napa e from Calistoga (Napa River Basin, new Pope Valley grade); Napa Mountains, Napa River Basin, Pope Valley Comment
  UC3648  Fritillaria affinis Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UC504870  Fritillaria affinis R. M. Holman 1933-4-12 Napa near Mount Veeder Comment
  UC545849  Fritillaria affinis E. Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley-Middletown Road Butts Canyon; , Pope Valley-Middletown Road Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  CAS-BOT-BC130080  Fritillaria affinis 1930-4-5 s.n. Napa unspecified Comment
  POM169605  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  JEPS89228  Fritillaria pluriflora W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  UC765859  Fritillaria recurva R. F. Hoover 1941-4-26 4939 Napa e side of Mount St. Helena Mount St. Helena Comment
  RSA450202  Fritillaria recurva D. V. Hemphill 1949-4-16 s.n. Napa [no additional locality information] Comment
  SEINET8480175  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir, St. Helena. Comment
  UCR24144  Fritillaria recurva var. coccinea John C. Roos 1939-3-3 301 Napa North Coast Range, Snell Valley, Angwin, Pacific Union College 549 Comment
  UCD15985  Galium andrewsii subsp. andrewsii C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 2 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 9.2'' N; 122 deg. 21' 11.5'' W; 480 m. Comment
  UCD159924  Galium aparine Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CHSC108735  Galium bolanderi B. Castro; L. P. Janeway 2002-5-12 1365 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  UC102475  Galium californicum subsp. californicum Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD73055  Galium californicum subsp. californicum Ellen Dean; S. Rae 2008-5-21 4974 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  UCD73512  Galium divaricatum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD49251  Galium murale M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 3 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines, 150 ft. W of lat./long. position. 335 Comment
  UCD13188  Galium nuttallii Gary Fugle 1976-4-11 7 Napa 4 mi N of junction of hwy 121 and 128, along 128. Elev. 550 ft. 167 Comment
  UCD148824  Galium porrigens Ellen Dean; Diana Hickson 2014-4-29 8129 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  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
  HSC8385  Garrya elliptica J. T. Howell 1939-5-7 14652 Napa Lower Lake-Knoxville rd. at Lake Co. line 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-BC144377  Garrya fremontii John Thomas Howell 1939-2-5 14597 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  JEPS46448  Garrya fremontii W. L. Jepson 1906-2-23 Napa Howell Mt. Comment
  JEPS66733  Garrya fremontii W. L. Jepson 1896-2-22 14160 Napa Crystal Springs grade to Howell Mt. Comment
  JEPS66738  Garrya fremontii Willis L. Jepson 1896-1 14155 Napa Howell Mt.; near Toland House Comment
  JEPS122938  Gastridium phleoides Jake Ruygt 1982-5-15 1264 Napa Soda Canyon, west of the grade. Quad: Yountville. Comment
  UCD149573  Gastridium phleoides Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD83409  Geranium carolinianum Jake Ruygt 2009-4-25 5400 Napa Conn Valley Rd., ca. 1/3 mi E of Howell Mountain Rd. 115 Comment
  UCD49066  Geranium dissectum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 3 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
  JEPS61424  Geranium dissectum H. P. Chandler 1907-4-28 7553 Napa Santa Rosa to Calistoga Comment
  UCD103474  Geranium purpureum Glen Holstein 1977-5-11 s.n. Napa Along State Highway 121, 0.7 mile north of intersection with Wooden Valley Road. Comment
  JEPS21822  Geranium robertianum Margaret Whitmore 1958-4-3 33 Napa 3 mi nw Napa (on Redwood Road) 30 Comment
  UC133966  Gilia capitata subsp. capitata Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UCD167223  Gilia clivorum Jake Ruygt 1982-3-10 1123 Napa American Canyon south of gravel pit. 91 Comment
  UCD167227  Gilia tricolor subsp. diffusa Jake Ruygt 1982-5-1 1217 Napa 3.2 miles north of Loma Vista Drive on Soda Canyon Road. 320 Comment
  JEPS110962  Gilia tricolor subsp. tricolor Jake Ruygt 1994-3-15 3321 Napa Chiles Canyon Road about 1 mile from Chiles Valley 353 Comment
  UC908451  Gilia tricolor subsp. tricolor Herbert L. Mason 1933-4-30 7224 Napa n Aetna Springs (near Napa-Lake County line); n of Aetna Springs Comment
  UC23857  Gilia tricolor subsp. tricolor Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Comment
  POM182707  Githopsis specularioides D. D. Keck 1931-4-2 1022 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  JEPS11814  Githopsis specularioides Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  JEPS18287  Githopsis specularioides Peter H. Raven 1957-5-5 10762 Napa w edge Calistoga 182 Comment
  UCD19936  Glinus lotoides E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 794 Napa Quail Ridge Reserve. Slough on N side of Decker Bay Trail, in a dried inlet of Lake Berryessa. 128 Comment
  RSA518733  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 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
  UCD121180  Gnaphalium palustre Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7359 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
  UCD18098  Gnaphalium palustre Ellen Dean; with PLB 102 class 2000-4-29 754 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
  UCD73518  Gnaphalium palustre Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS2617 Image available Gnaphalium palustre W. L. Jepson 1896-1 Napa St. Helena Napa River Basin; St. Helena, Napa River Basin Comment
  UC1746131  Gratiola ebracteata Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2762 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  OBI74534  Grindelia camporum David J. Keil 1986-11-8 19793 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S of turnoff to Homestake McLauglin Mine/MIll 350 Comment
  CDA6087  Grindelia camporum var. parviflora H. Stabo 1960-7-13 4687 Napa St. Helena Highway, Paradise Park. 0 Comment
  CAS-BOT-BC304888  Grindelia hirsutula Peter H. Raven 1951-9-9 3902 Napa Slaughterhouse Point, Napa River 0 Comment
  CAS-BOT-BC304892  Grindelia hirsutula John Thomas Howell 1929-6-30 4313 Napa 5 mile s. of Calistoga on highway to St. Helena, Napa Valley Comment
  CAS-BOT-BC304893  Grindelia hirsutula L. R. Abrams 1916-7-2 5751 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC304894  Grindelia hirsutula John Thomas Howell 1933-6-4 11394 Napa East side of Napa Valley near Stag's [Stags] Leap Comment
  RSA128656  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa E of Napa on Monticello Rd. 61 Comment
  UC32140  Grindelia hirsutula Edw. L. Greene Napa St. Helena Comment
  CAS-BOT-BC304886  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa Napa - Wooden V. Grade 60 Comment
  JEPS106824  Guillenia lasiophylla Jake Ruygt 1989-4-22 2282 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  CAS-BOT-BC302217  Harmonia nutans Willis L. Jepson 1893-4-28 s.n. Napa Wooden Valley Grade, Napa River Basin Comment
  CAS-BOT-BC302223  Harmonia nutans John Thomas Howell 1931-4-4 6164 Napa Trail to Crater Country, Mt. St. Helena region Comment
  CAS-BOT-BC302224  Harmonia nutans Peter H. Raven 1953-5-2 5418 Napa Soda Creek Canyon ca. 2 mi. below Foss Valley 335 Comment
  CAS-BOT-BC302235  Harmonia nutans J. Clausen 1935-5-23 1072 Napa 6.5 mi. N. of St. Helena on Howell Mtn near summit Comment
  CAS-BOT-BC302240  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  JEPS106553  Harmonia nutans Jake Ruygt 1977-4-9 180 Napa .3 miles south of Monticello Rd. on Wild Horse Valley north rd 420 Comment
  JEPS122757  Harmonia nutans Jake Ruygt 2001-3-24 4298 Napa Yountville Hills. Quad: Rutherford. Comment
  JEPS40020  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. 792 Comment
  UC905678  Harmonia nutans David D. Keck 1931-4-2 1027 Napa 5.5 mi ne Napa; west side of Napa Range, Wooden Valley Grade 200 Comment
  JEPS106639  Helenium bigelovii Jake Ruygt 1982-6-13 1319 Napa Guilliume Springs, Cedar Roughs 292 Comment
  JEPS106642  Helenium bigelovii Jake Ruygt 1979-7-21 759 Napa 5.5 miles north of Howell Mtn Rd. on Butts Canyon Rd. 243 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
  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
  UCD132774  Helianthella californica J. M. Tucker 1968-5-20 4111 Napa summit of Blue Ridge (Vaca Range), around 1.5 miles northwest of the head of Mxi Canyon. 762 Comment
  UC1301032  Helianthella californica subsp. californica Helen K. Sharsmith 1962-6-3 5112 Napa w slope of mtn near Angwin; Mount Howell 487 Comment
  UC897265  Helianthella californica subsp. californica John Thomas Howell 1937-7-4 13057 Napa Wooden Valley Grade Comment
  RSA113743  Helianthemum scoparium var. vulgare Beecher Crampton 1956-5-25 3480 Napa Howell Mountains above Wooden Valley Comment
  UC221395  Helianthus bolanderi H. M. Hall 1923-10-12 11927 Napa 16 mi se Lowerlake (n Napa Co.) Comment
  JEPS106668  Helianthus californicus Jake Ruygt 1991-7-19 2787 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 135 Comment
  CDA34656  Heliotropium europaeum L. Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 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
  JEPS37515  Helminthotheca echioides W. L. Jepson 1918-6-25 7671 Napa Oakville Napa Valley Comment
  CAS-BOT-BC306149  Hemizonia congesta subsp. clevelandii Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC306152  Hemizonia congesta subsp. clevelandii David D. Keck 1933-11-10 2716 Napa Calistoga, 2 mi. N. of the center of town, at the geysers Comment
  JEPS38351  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC306153  Hemizonia congesta subsp. clevelandii J. McMurphy 1909-8-7 696 Napa Callistoga [Calistoga] Comment
  UC990638  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-7 696 Napa roadside Calistoga Comment
  CAS-BOT-BC306268  Hemizonia congesta subsp. lutescens W. M. Heusi 1930-10-18 106 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-BC309837  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CAS-BOT-BC309841  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1952-6-28 4203 Napa Conn Valley 137 Comment
  JEPS106663  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1996-7-13 3762 Napa White Cliff Springs, Soda Valley (Soda Spring). 335 Comment
  SBBG8414  Hemizonia congesta subsp. luzulifolia J. M. Tucker 1941-9-20 406 Napa jct of rd from Samuel Springs with Monticello-Pope Valley rd Comment
  UCD19334  Hemizonia congesta subsp. luzulifolia M. A. Bibbo; E. Dean 2001-7-6 26 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  RSA81622  Hemizonia fitchii James I. McMurphy 1909-8-7 698 Napa Between Mount St. Helena Pass and Calistoga. Comment
  RSA128679  Hemizonia lutescens Peter H. Raven 1953-10-4 6363 Napa Near Duttons Landing. 15 Comment
  SEINET10669265 Image available Hemizonia parryi subsp. parryi Charles C. Parry 1882-1 Parry 129 Napa Comment
  POM194219  Hemizonia pungens subsp. pungens J. T. Howell 1929-10-26 4542 Napa 9 miles N of Vallejo. Comment
  UC175984  Hesperevax acaulis var. robustior Joseph P. Tracy May 15 1903-May 18 1903 1864 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD63182  Hesperevax acaulis var. robustior Jake Ruygt 2005-4-10 4751 Napa Skyline park, near Manzanita trail. 164 Comment
  UCD47749  Hesperocyparis macnabiana Ari Houser, J. Westbrook; S. Ratay, M. Disney, R. Wolfson, S. Wathen 2000-4-22 19 Napa Napa co, McLaughlin Reserve, approx 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1 st ridge south of Devilhead Rd. 518 Comment
  UC1736419  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley Comment
  UC1736420  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UC1212356  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4109 Napa above creek Sage Creek (w side of valley); Chiles Valley 30 Comment
  UC1212372  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa ca 0.5 mi from Walter Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UCD119661  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  UCD167168  Hesperolinon bicarpellatum Jake Ruygt 2015-4-20 6074 Napa Fernandes/ Land Trust, Snell Peak area. 394 Comment
  UCR261636  Hesperolinon bicarpellatum Ann Howald 2003-5-23 2340 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  CAS-BOT-BC176013  Hesperolinon californicum J. P. Tracy 1905-7-5 2205 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 365 Comment
  JEPS121545  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 233 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122907  Hesperolinon californicum Adam C. Schneider 2015-6-10 938 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Rd). Comment
  UC1212452  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4600 Napa s canyon slope 1/4 mi below Conn Dam (on chaparral slope above road from Rutherford to Pope Valley); Inner North Coast Ranges 121 Comment
  UCD170461  Hesperolinon californicum Daniel Potter; Ninh Khuu 2016-6-18 890 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 444 Comment
  JEPS122786  Hesperolinon clevelandii Jake Ruygt 2009-6-8 5427 Napa Wild Lake Ranch. Candlestick Ridge. QUAD: St. Helena. Comment
  POM264935  Hesperolinon clevelandii J. C. Roos 1939-5-13 266 Napa Angwin, Howell Mt. Comment
  UC1601234  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4645 Napa one mi beyond Aetna Springs (w of mine road, ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  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
  UCD164732  Hesperolinon clevelandii Jake Ruygt 2014-6-14 6002 Napa Ranch near Oat Hill. 619 Comment
  CAS-BOT-BC176051  Hesperolinon clevelandii John Thomas Howell 1939-7-13 5359 Napa On the edge of the Crater Country Comment
  JEPS122798  Hesperolinon disjunctum Jake Ruygt 2005-7-10 4942 b Napa Oat Hill Mine Road North, near Corona Mine. QUAD: Detert Reservoir. Comment
  JEPS32322  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  JEPS88634  Hesperolinon disjunctum Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10807 Napa Butts Canyon Road near junction with Snell Road (slope adjacent to small stream); North Coast Ranges 204 Comment
  UC1212481  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa directly e Knoxville; Inner North Coast Ranges 396 Comment
  UC1601272  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 b Napa 2.1 mi beyond intersection of Conn Reservoir road to Rutherford with Chiles Valley-Pope Valley road Inner North Coast Ranges, Chiles Valley 198 Comment
  UCD110556  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa Above Sage Creek 0.8 miles south of Chiles Valley. 304 Comment
  UCD160649  Hesperolinon micranthum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8735 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 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
  UC1212415  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4603 Napa Chiles Valley Ranch Inner North Coast Ranges, Chiles Valley 213 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
  JEPS122776  Hesperolinon spergulinum Jake Ruygt 1988-6-4 2211 Napa Mt. St. Helena above Red Hill. QUAD: Detert Reservoir. Comment
  JEPS32294  Hesperolinon spergulinum Willis L. Jepson 1901-8-6 1728 Napa Howell Mt. grade Napa River Basin Comment
  RSA435710  Hesperolinon spergulinum Robert Gustafson, Don Reynolds 1983-6-7 2740 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC1212397  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-19 4142 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC1212405  Hesperolinon spergulinum J. P. Tracy 1899-7-5 383 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC146128  Hesperolinon spergulinum J. P. Tracy 1905-7-6 2233 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC1601204  Hesperolinon spergulinum Helen K. Sharsmith 1951-10-21 4042 Napa 0.5 mi above Aetna Springs (near Aetna Mine); Inner North Coast Ranges 274 Comment
  UCD169779  Hesperolinon spergulinum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 787 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 453 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
  UCD49138  Heteromeles arbutifolia S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  SD62043  Heterotheca oregona var. rudis Darley F. Howe 1965-8-4 Napa 4.0 miles east of Rutherford on U. S. Highway 128. Comment
  JEPS106635  Hieracium albiflorum Jake Ruygt 1991-7-20 2782 Napa Ink Grade at White Cottage Rd. 560 Comment
  UC735727  Hirschfeldia incana Charles B. Heiser Jr 1947-5-17 1910 Napa near St. Helena Comment
  UC16290  Hoita macrostachya unknown Aug 1862 1322 Napa Rag Canyon; dry creek bed Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  CAS-BOT-BC324651  Holocarpha virgata John Thomas Howell 1933-8-27 11644 Napa EAst of Chiles Valley on road to Winters, Napa Range Comment
  JEPS106640  Holocarpha virgata Jake Ruygt 1986-7-13 1879 Napa SW of Buchli Station Rd. near county line 1 Comment
  JEPS106641  Holozonia filipes Jake Ruygt 1982-6-21 1334 Napa Suscol plain 4 Comment
  POM30486  Holozonia filipes Katherine Brandegee 1910-7-26 186 Napa Near Angwin's. 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
  CAS-BOT-BC284999  Hordeum depressum Peter H. Raven 1957-5-5 10752 Napa Calistoga 91 Comment
  UC187092  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1903-5-18 1855 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD85829  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-25 3468 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UC12395  Horkelia californica subsp. dissita Willis L. Jepson Nov 26 1895-Nov 27 1896 Napa Howell Mtn., Sea Jota Plateau, Napa River Basin 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
  CAS-BOT-BC410807  Hypericum concinnum John Thomas Howell 1926-10-3 2207 Napa Near top of Mt. St. Helena 1066 Comment
  CAS-BOT-BC410812  Hypericum concinnum Alice Eastwood 1923-5-9 11741 Napa Hills above Calistoga Comment
  JEPS66794  Hypericum concinnum W. L. Jepson 1904-6-3 2433 Napa Weldon Canyon Howell Mt. foothills 487 Comment
  UCD120789  Hypochaeris radicata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7329 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
  POM145272  Iris Simonds 1928-05 s.n. Napa Browns Valley. Comment
  UCD138720  Iris fernaldii Collector Unknown 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  CDA10842  Iris macrosiphon G. F. Hrusa, G. L. Stebbins 1994-4-18 11779 A Napa North Coast Biodiversity Arena; Along Swartz Cyn. Rd. 1.5 m. W of Aetna Springs. 228 Comment
  UCD118351  Iris macrosiphon Reed Crane; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 403 Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  UCD138766  Iris macrosiphon R. L. Smith 1948-5-8 s.n. Napa east branch of Monticello Valley near Samuel Springs. Comment
  UCSB878  Iris macrosiphon Kamb, Peter; Chisaki, Francia 1950-4-22 Napa above valley floor; West side of Wooden Valley on California Highway 37 304 Comment
  JEPS126029  Iris orientalis Jake Ruygt 1998-5-23 3992 Napa Imola Ave, Napa; east side of river and south street. Napa 7.5' Quad. Comment
  CAS-BOT-BC57722  Isoetes howellii D. E. Breedlove 1974-4-27 36200 Napa along Silverado Trail just north of junction with Oak Knoll Road Comment
  JEPS103967  Isoetes nuttallii Jake Ruygt 1990-4-28 2517 Napa Bear Valley 655 Comment
  JEPS106647  Jaumea carnosa Jake Ruygt 1979-7-29 786 Napa Fagan's Marsh 1 Comment
  CHSC93647  Juglans californica var. hindsii Paul Kirk; Joe Callizo 2001-5-25 6 Napa Munson Ranch area, approximately 300 m WNW of end of Circle Oaks drive. 450 Comment
  JEPS58692  Juglans californica var. hindsii W. L. Jepson 1911-11-11 4762 Napa Mt. Atlas Napa Range Comment
  UCD13101  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa NAPA CO. Silverado Trail N. Approx 1/2 mi N of intersection with Deer Park Rd. Elevation 500'. 152 Comment
  UCD20737  Juglans hindsii Ellen Dean; w/ Mark Bibbo 2002-6-17 1101 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near main entrance gate to reserve, just upslope from road to field station. E side of the road. 371 Comment
  UCD166696  Juncus bolanderi Jake Ruygt 2010-6-21 5621 Napa north entrance to Azalea Springs Rd. 96 Comment
  UCD149577  Juncus bufonius var. congestus Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  JEPS122674  Juncus capitatus Jake Ruygt 1992-5-7 2939 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  CAS-BOT-BC110169  Juncus luciensis Peter H. Raven 1951-6-10 2934 Napa Crater Region east of Palisades. 762 Comment
  UC184101  Juncus occidentalis Joseph P. Tracy 1905-7-5 2211 Napa 3-4 mi e Angwin's (at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UCD166705  Juncus occidentalis Jake Ruygt 2004-4-12 4585 Napa Gordon Valley Road, south side of Okell Hill. 115 Comment
  JEPS75645  Juncus patens W. L. Jepson 1936-6-1 17577 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  RSA293538  Juncus xiphioides C. W. Tilforth, John Dourley 1979-7-22 1857 Napa 0.4 miles south of Park Headquarters, west side of Lake Berryesa. 137 Comment
  CAS-BOT-BC237849  Keckiella lemmonii John Thomas Howell 1929-8-4 4356 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  POM222621  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, Napa Valley. Comment
  RSA14978  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, east of Rutherford, Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  JEPS85019  Koeleria macrantha Larry Heckard and Mary Ashton 1969-5-3 2225 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 510 Comment
  UCD85736  Koeleria macrantha Beecher Crampton 1956-5-25 3460 Napa Vaca Mountains, head of Markley Canyon. Comment
  JEPS89774  Lagophylla minor Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10803 Napa Butts Canyon Road near junction with Snell Road (North Coast Ranges); , Butts Canyon Road 204 Comment
  UCD19313  Lagophylla ramosissima M. A. Bibbo; E. Dean 2001-7-6 5 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  CAS-BOT-BC341560  Lagophylla ramosissima H. M. Hall 1931-5-26 13093 Napa 9.6 miles north of Monticello Comment
  UC154000  Lamium amplexicaule Joseph P. Tracy 1899-6-17 401 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  SBBG40959  Lamium purpureum M. M. Ackley 1959-4-4 Napa near St Helena Comment
  CAS-BOT-BC338267  Lasthenia californica John Thomas Howell 1926-3-27 1761 Napa Myrtledale Hot Springs near Calistoga Comment
  CDA13208  Lasthenia californica G. F. Hrusa, M. J. Geitner 1996-4-2 12822 Napa North Coast Biodiversity Arena; Summit of Palisades in Cub Valley. MonteSol Ranch. Comment
  JEPS106675  Lasthenia californica Jake Ruygt 1996-4-22 3623 Napa Lewelling Ranch, St. Helena. 88 Comment
  SEINET10669273  Lasthenia californica subsp. californica John T. Middleton 1936-3-21 Middleton 75 Napa Monticello, Ca. Comment
  UCD63157  Lasthenia conjugens Jake Ruygt 1998-5-4 3963 Napa North of Suscol Creek; Suscol Hill. Comment
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 Comment
  JEPS35630  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga Comment
  UC311561  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa near Calistoga; Napa Valley 90 Comment
  UCD118396  Lasthenia gracilis Rachael Olliff; 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. 406 Comment
  UCD159788  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3164 Napa Soda Canyon Road, near crest. 457 Comment
  JEPS10166  Lasthenia gracilis W. L. Jepson 1893-4-28 Napa Napa Comment
  UC30426  Lasthenia gracilis Willis L. Jepson 1893-5-1 Napa Napa Valley Napa River Basin, Upper Napa Valley Comment
  JEPS107274  Lathyrus angulatus Jake Ruygt 1990-5-6 2534 Napa Giles Mead Ranch, Atlas Peak Rd. 484 Comment
  UCD167170  Lathyrus aphaca Jake Ruygt 2015-4-24 6080 Napa Sutro Ranch, east side of Atlas Peak. 712 Comment
  UCD73500  Lathyrus hirsutus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  RSA672690  Lathyrus jepsonii subsp. jepsonii David Amme 2002-10-8 s.n. Napa South east of the town of Napa, growing along the east bank of the Napa River on the northerly side of the old Maxwell Bridge (Imola Ave.). Population extends along the upper edges of the river bank from the bridge northward another 70 feet. 2 Comment
  UCD81832  Lathyrus sphaericus Ellen Dean 2009-4-24 5462 Napa Property at 600 Petrified Forest Road. 170 Comment
  UC15358  Lathyrus torreyi Willis L. Jepson 1894-4-30 Napa near Calistoga; Napa River Basin Comment
  UC650499  Lathyrus vestitus var. vestitus Ira L. Wiggins 1928-3-25 2884 Napa 1.5 mi ne Calistoga Comment
  JEPS48893  Lathyrus vestitus var. vestitus Elsa Kraeger 1926-3-28 Napa near Mt. St. Helena Inn Comment
  UCD75717  Lathyrus vestitus var. vestitus Jake Ruygt 1986-4-14 1698 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 457 Comment
  JEPS106619  Layia chrysanthemoides Jake Ruygt 1990-4-20 2486 Napa near end of Henry Rd. 97 Comment
  UCD133938  Layia chrysanthemoides Craig Brauer 1974-4-15 7090 Napa the collection was made near Wallace Ranch. 188 Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1543040  Lemna trisulca Donald G. Nelson 1936-4-1 346 Napa Green Valley Falls Comment
  JEPS122751  Leontodon saxatilis subsp. saxatilis Jake Ruygt 2011-6-18 5802 Napa Silverado Trail, 0.3 mi north of Pope Street, St. Helena. Quad: St. Helena. Comment
  CAS-BOT-BC89173  Lepidium draba John Thomas Howell 1926-4-3 1781 Napa Near Yountville. Comment
  CAS-BOT-BC12514  Lepidium nitidum Peter H. Raven 1954-2-22 6409 Napa Orchards at west end of Saint Helena. 60 Comment
  CAS-BOT-BC12774  Lepidium oxycarpum Peter H. Raven 1953-3-29 5200 Napa Calistoga. 106 Comment
  JEPS106832  Lepidium strictum Jake Ruygt 1982-3-17 1131 Napa Suscol plain along HWY 29 (221) 8 Comment
  RSA292919  Leptosiphon acicularis Reino Alava 1957-5-30 975 Napa Napa-Solano county line; Route 128 Comment
  POM182717  Leptosiphon androsaceus D. D. Keck 1931-4-3 1070 Napa Pope creek canyon, near Walter Springs Comment
  POM204476  Leptosiphon androsaceus J. T. Howell 1933-5-21 11314 Napa Hills east of Napa. Comment
  RSA195290  Leptosiphon androsaceus Gilbert Muth 1967-4-28 653 Napa Spring Mountain Road, St. Helena. Comment
  RSA468551  Leptosiphon androsaceus L. S. Rose 1935-4-18 35102 Napa Steel Canyon Comment
  SEINET14160510  Leptosiphon androsaceus M. J. Williams 1967-5-7 s. n. Napa Howell Mountain, between St. Helena and Angwin 259 Comment
  POM146397  Leptosiphon aureus A. A. Heller 1924-4-12 I- 3850 Napa Hot springs at Calistoga Comment
  UCD49214  Leptosiphon bicolor E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 5 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
  HSC97648  Leptosiphon bicolor Gail Matson 1977-4-16 24 Napa Along Hwy. 128, 6.4 mi. SW of Monticello Dam 213 Comment
  HSC43982  Leptosiphon ciliatus Robert M. Specht 1977-4-19 696 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD82052  Leptosiphon jepsonii Robin McMaster 1972-4-22 67 Napa Pope Valley. Comment
  JEPS120322  Leptosiphon latisectus Jake Ruygt 2005-4-17 4781 Napa Upper Swartz Creek near Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  JEPS129087  Leptosiphon parviflorus Jake Ruygt 2016-4-19 6198 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD118990  Leptosiphon parviflorus Carolyn Thomas 1974-4-14 10814 Napa near Yountville, close to Thomas Ranch. 274 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
  UCD49233  Leptosiphon parviflorus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., between Decker Ridge Rd. jct and Cut-Off Rd. jct. 304 Comment
  UCD167235  Leptosiphon parviflorus Jake Ruygt 1998-3-21 3891 Napa Berryessa Knoxville Road, about 1.5 miles north of Putah Creek bridge. 182 Comment
  RSA8542  Lessingia ramulosa John T. Howell 1933-8-27 11646 Napa E of Chiles Valley on road to Winters, Napa Range. Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  UCD37721  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS104712  Lessingia ramulosa John L. Morrison 1936-9-19 1947 Napa Knoxville Mines 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
  UC1103518  Lilaea scilloides J. P. Tracy 1903-5-16 1850 Napa near Calistoga; San Francisco Bay Region 91 Comment
  JEPS122716  Lilium pardalinum Jake Ruygt 1984-6-23 1569 Napa St. Helena Creek near Livermore Road. Quad: Detert Reservoir. Comment
  CAS-BOT-BC132956  Lilium rubescens Tom Craig 1941-6-18 s.n. Napa Trinity Road, east slope Comment
  SEINET8727028 Image available Limnanthes douglasii Laura Zeller 1965-1 29 Napa ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  CHSC84509  Limnanthes douglasii subsp. nivea John Dittes 2003-4-5 2003 -12 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  UCD116520  Limnanthes douglasii subsp. nivea M. Wiesendanger 1927-5-4 664 Napa near Monticello. Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  JEPS110961  Linanthus acicularis Jake Ruygt 1992-5-3 2929 Napa Westwood Hills Park, Browns Valley Rd. Napa 121 Comment
  JEPS110960  Linanthus androsaceus Jake Ruygt 1979-4-29 559 Napa .4 miles west of HWY 29 on Kortum Canyon Rd. 182 Comment
  SEINET5732161 Image available Linanthus androsaceus Peta Lewis 1967-1 17 Napa Across from Monticello Dam, on State Highway 128.; Monticello Dam Comment
  CDA11591  Linanthus dichotomus G. F. Hrusa, S. Larson 1995-4-1 12057 Napa North Coast Biodiversity Arena; approx. 1/4 m. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  JEPS58393  Linanthus dichotomus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UC689684  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 3 mi s Pope Valley Store Comment
  SEINET10697801 Image available Linanthus jepsonii Carol Goodwillie 1995-5-11 Goodwillie 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km. west of Hardin Road, and 60 meters north of vernal pool on north-facing, grassy slope. 256 Comment
  CDA38720  Linanthus parviflorus D. G. Kelch 2010-5-6 10 .179 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS58110  Linanthus parviflorus W. L. Jepson 1915-4-23 6255 Napa Conn Valley Napa Range Comment
  UC908784  Linanthus parviflorus A. E. Borell 1928-4-13 112 Napa 6 mi nw 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
  JEPS37735  Lithocarpus densiflorus W. L. Jepson 1894-10-14 Napa Rebecca Ranch grade; Upper Napa Valley 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
  RSA121900  Lithocarpus densiflorus var. densiflorus R. W. Lundh 1933-7-14 256 Napa 1/2 mile northeast of McCormack Ranch. 427 Comment
Read comments
Jul 28 2014
  JEPS110625  Lithophragma bolanderi Jake Ruygt 1998-5-30 4006 Napa About .3 mile from Table Rock. 682 Comment
  JEPS47658  Lithophragma heterophyllum W. L. Jepson 1910-3-28 4018 Napa sw Calistoga (Rebecca ranch grade); sw of Calistoga Comment
  CAS-BOT-BC342248  Logfia filaginoides Peter H. Raven 1951-5-20 2854 Napa Hills w. Oakville 548 Comment
  UCD21542  Logfia filaginoides B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 8 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of) intersection with Knoxville-Berryessa Road. 487 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
  CAS-BOT-BC342440  Logfia gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville 152 Comment
  JEPS106959  Logfia gallica Jake Ruygt 1978-6-25 367 Napa 1.5 miles west of Old Sonoma Rd. on HWY 12 91 Comment
  JEPS84597  Logfia gallica John W. Willoughby 1977-4-20 2146 Napa w side of range The Vaca Mountains (lattitude approximately that of Mount Vaca) 457 Comment
  UCR23398  Lomatium John C. Roos 1939-3-18 302 Napa North Coast Range, Snell Valley, near Angwin 183 Comment
  JEPS16095  Lomatium californicum Willis L. Jepson 1894-4-30 14247 Napa range w. of and near Calistoga (grade to Rebecca Ranch); Napa River Basin Comment
  UCD127614  Lomatium californicum M. Wiesendanger 1927-5-4 703 Napa Monticello, Napa Road. Comment
  UCR178676  Lomatium californicum K. Mogel, M. Higley, B. Pekin 2002-5-4 009 Napa Vaca Mtns, Quail Ridge UC Reserve. Northern tip of ridge, N of the junction of West and East roads, c. 1000 ft along the lower road that leads to the power lines, immediatly downslope of road 305 Comment
  UCD150868  Lomatium caruifolium var. caruifolium Robert E. Preston 1988-4-10 586 Napa ca. 0.6 mile ESE of the confluence of Putah and Hunting Creeks. 304 Comment
  JEPS17136  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1900-3-10 517 Napa New Eden to Crystal Springs (Howell Mt.); Howell Mt. Comment
  LA202888  Lomatium hooveri Mildred E. Mathias; 1937-5-23 1298 Napa 1.9 mi. SE of Napa-Lake County line on road to Knoxville Comment
  UC723796  Lomatium hooveri Joseph Andorfer Ewan 1937-5-23 10361 Napa Knoxville Ridge above Knoxville; Knoxville Ridge Comment
  UCD170296  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 836 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 452 Comment
  UCD18027  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 573 b Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD63188  Lomatium macrocarpum Jake Ruygt 2005-4-17 4762 c Napa Bear Valley. 615 Comment
  JEPS104546  Lomatium marginatum var. purpureum Jake Ruygt 1979-4-6 484 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Road 207 Comment
  JEPS14077  Lomatium marginatum var. purpureum W. L. Jepson 1938-6-8 18886 Napa n. Pope Valley (on s. fork of Butts Creek, Butts Canyon); Butts Canyon Comment
  RSA452560  Lomatium marginatum var. purpureum Robert Gustafson, Don Reynolds 1983-6-7 2736 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. 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
  POM264418  Lomatium marginatum var. purpureum J. C. Roos 1939-3-18 302 Napa Snell Valley Comment
  CAS-BOT-BC217805  Lomatium repostum G. L. Stebbins 1971-5-2 8006 Napa Ranch of Giles Mead, along Atlas Mountain Road, northeast of Napa 487 Comment
  POM298615  Lomatium repostum Lincoln Constance, J. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  UCD163604  Lomatium repostum G. Ledyard Stebbins 1971-5-2 8006 Napa Northeast of Napa. Ranch of Giles Mead, along Atlas Mountain [Peak] road. (Exact location unknown. Coordinates estimated by label maker as near Mead Ranch Vineyards.) 487 Comment
  UC1368793  Lomatium utriculatum David H. French 1968-4-20 2859 Napa about 11 mi NW of Napa (E side of road called Silverado Trail) Comment
  JEPS12849  Lonicera hispidula var. vacillans W. L. Jepson 1898-1-4 Napa Howell Mountain Comment
  UCD147531  Lonicera interrupta Ellen Dean; Diana Hickson 2014-4-29 8085 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  SEINET5501037 Image available Lonicera interrupta Sally Walker 1981-5-18 Napa 3.6 mi S of middletown, Napa Co. Comment
  CAS-BOT-BC200940  Lotus John H. Thomas 1955-5-21 5111 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS107214  Lotus grandiflorus var. grandiflorus Jake Ruygt 1998-6-24 4058 Napa County line ridge between Taylor Bluff and Cottonwood Canyon 737 Comment
  UC1300861  Lotus micranthus Helen K. Sharsmith 1963-4-20 5340 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS29583  Lotus micranthus Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8440 Napa 2.2 mi n Atlas Peak road junction with Monticello road (Calif. 37) (along Atlas Peak road, on first switchback grade) 73 Comment
  JEPS107206  Lotus purshianus var. purshianus Jake Ruygt 1992-5-15 2960 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UC1236514  Lotus scoparius John H. Thomas 1955-5-21 5109 Napa about 6 mi from Napa (near State Highway 37, Sarco Creek drainage); Sarco Creek 243 Comment
  RSA131376  Lotus scoparius var. scoparius John H. Thomas 1955-5-21 5109 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  RSA568530  Lotus unifoliolatus T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  UC1300863  Lotus wrangelianus Helen K. Sharsmith 1963-3-17 5231 Napa Silverado Trail San Francisco Bay Region 76 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
  UCD78329  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-9-14 05- 20 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 99 Comment
Read comments
Oct 2 2009
  CAS-BOT-BC60254  Lunaria annua Peter H. Raven 1950-5-6 2032 Napa Southern limits of Calistoga on Route 28. 60 Comment
  RSA735364  Lupinus Keith E. Hoffmaster 1946-3-23 1093 Napa Napa range, along Napa-Monticello road Comment
  UC15756  Lupinus affinis Willis L. Jepson 1893-4-26 Napa Oakville; Napa River Basin, Oakville Comment
  RSA113240  Lupinus albicaulis var. shastensis E. K. Balls, Lee W. Lenz, B. K. Balls 1955-5-12 2450 Napa 1.7 mi. nw. Placer-Nevada Co. Line, along rd. from Coflax to Grass Valley. 747 Comment
  UC157020  Lupinus albifrons Joseph P. Tracy 1902-5-21 1568 Napa on hills at head of Moore's Creek (Howell Mountain, 3-4 mi e of Angwin's); Northern Coast Ranges, , Howell Mt. 365 Comment
  UC504871  Lupinus albifrons R. M. Holman 1933-4-12 Napa near Mt. Veeder; near Mt. Veeder Comment
  UC725890  Lupinus albifrons A. A. Heller 1940-5-6 15587 Napa just below the summit crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena just below summit Comment
  UCD105893  Lupinus albifrons Rimo Bacigalupi; L. Heckard, P. C. Silva 1962-4-16 8446 Napa 8.6 miles north of Vichy Springs junction (on Calif. 37), along Atlas Peak road; 1800 ft. Comment
  CAS-BOT-BC201557  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-15 1751 Napa Wooden Valley Grade, above Napa 457 Comment
  POM195576  Lupinus albifrons var. albifrons H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  RSA26103  Lupinus albifrons var. albifrons H. C. Cantelow 1936-3-21 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC196282  Lupinus albifrons var. eminens John Thomas Howell 1931-4-3 6125 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS107234  Lupinus bicolor Jake Ruygt 1995-5-1 3460 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  JEPS85039  Lupinus bicolor Larry Heckard, Mary Ashton 1969-5-3 2195 Napa off the Atlas Peak Rd. ca 7 mi ne Napa (Mead Ranch); ne of Napa 457 Comment
  UCD18040  Lupinus bicolor Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 591 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD33703  Lupinus bicolor Beecher Crampton 1972-4-19 8790 Napa 3 miles north of Moskowite Corner at the north end of Capell Valley. Comment
  UCD161527  Lupinus bicolor Jake Ruygt 1991-4-6 2623 -z Napa Lyerla Ranch, near Montgomery Creek on Mt. Veeder Road. 350 Comment
  POM160869  Lupinus bicolor subsp. umbellatus J. G. Lemmon 1889-04 s.n. Napa Calistoga. Comment
  OBI25607  Lupinus chamissonis R. L. Hoover 1968-4-11 20 Napa One block W of hwy 1 on Palm Ave, Marina Comment
  SEINET10488633  Lupinus chamissonis Charles Piper Smith 1947-5-5 Smith 47202 Napa Cordelia, 3.4 mi. W, hwy 40. Comment
  JEPS65233  Lupinus formosus var. formosus W. L. Jepson 1897-5-2 71 t Napa St. Helena Comment
  POM10765  Lupinus latifolius subsp. latifolius C. F. Baker 1903-4-20 2623 Napa Mt. St. Helena. Comment
  SEINET10490794  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 Jones UMO 71601 Napa Comment
  UC127028  Lupinus latifolius var. latifolius W. L. Jepson 1893-4-24 Napa St. Helena Comment
  UCD161788  Lupinus microcarpus Jake Ruygt 1998-4-27 3946 Napa Foley Creek Basin, west ridge, east of Berryessa-Knoxville Road. 414 Comment
  JEPS107220  Lupinus microcarpus var. densiflorus Jake Ruygt 1979-5-16 604 Napa 8.4 miles east of Monticello Rd. on HWY 128 152 Comment
  UC150120  Lupinus nanus H. P. Chandler 1907-4-16 7516 Napa St. Helena Comment
  UCD168546  Lupinus nanus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD70476  Lupinus nanus P. J. Plummer 1995-5-27 s.n. Napa W of city of Winters, off hwy 128. 335 Comment
  UCD164863  Lupinus nanus Jake Ruygt 2012-4-16 5816 -d Napa South half of Spanish Valley. 237 Comment
  UCD167065  Lupinus nanus Jake Ruygt 2001-4-16 4306 Napa Big Ranch Road (Van Winden property). 16 Comment
  CAS-BOT-BC202230  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
  UC764752  Lupinus sericatus R. F. Hoover 1941-4-26 4941 Napa near summit on highway e side Mt. St. Helena; e side of Mt. St. Helena Comment
  UCD47980  Lupinus succulentus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 17 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  POM276523  Lupinus succulentus Lyman D. Benson 1930-3-31 2023 Napa Calistoga. 915 Comment
  RSA15623  Luzula comosa Carl B. Wolf 1928-2-25 1484 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS126044  Luzula comosa var. comosa Jake Ruygt 1992-3-18 2855 Napa Next to south lake, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  CAS-BOT-BC441336  Luzula subsessilis M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UCD167281  Lythrum hyssopifolia Jake Ruygt 1989-6-25 2385 Napa Napa River north of Trancas Street, Napa. 1 Comment
  UC796470  Madia anomala Ira L. Wiggins 1949-4-30 12072 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  UCD161610  Madia elegans Jake Ruygt 2000-10-9 4286 Napa Snell Peak. 457 Comment
  JEPS38329  Madia exigua W. L. Jepson 1938-5-22 18828 Napa Snell Valley Comment
  UCD134257  Madia exigua J. M. Tucker 1971-5-29 4192 Napa on Lower Chiles Valley Road, 1.5 miles northwest of its junction with State Highway 128. Comment
  CAS-BOT-BC344445  Madia exigua David D. Keck 1933-5-28 2327 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  CAS-BOT-BC344449  Madia exigua J. Clausen 1935-5-22 1070 Napa One mile east of Chiles Valley Store Comment
  JEPS38330  Madia exigua W. L. Jepson 1938-5-18 18794 Napa slope above St. Helen Sanitarium; Howell Mts. Comment
  POM231110  Madia exigua Jens Clausen 1935-5-22 1070 Napa Ca. 1 mile east of Chiles Valley Store Comment
  UC584054  Madia exigua J. Clausen 1935-5-22 1070 Napa ca 1 mi e Chiles Valley Store Comment
  CAS-BOT-BC343196  Madia gracilis Peter H. Raven 1952-5-26 4037 Napa St. Helena to Howell Mt. 304 Comment
  JEPS40379  Madia gracilis W. L. Jepson 1938-5-24 18852 Napa Howell Mts. Napa Range 762 Comment
  CAS-BOT-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  CDA11134  Madia nutans G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11824 Napa North Coast Biodiversity Arena; Mt. George. Comment
  RSA195340  Madia nutans Gilbert Muth 1967-5-19 696 Napa Milliken Dam. 335 Comment
  CAS-BOT-BC345047  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  RSA51298  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1732 Napa Wooden Valley grade above Napa 305 Comment
  JEPS113976  Maianthemum stellatum Jake Ruygt 1990-4-4 2458 Napa Skyline Park on Lake Marie trail 1/4 from lake. Mount George 7.5' Quad. Comment
  UCD166657  Maianthemum stellatum Jake Ruygt 1999-4-24 4132 Napa Partrick Road. 85 Comment
  UCD167283  Malacothamnus fremontii Jake Ruygt 2003-6-21 4552 Napa West of Berryessa Knoxville Road near mouth of Foley Creek. 329 Comment
  POM203303  Malacothrix floccifera J. T. Howell 1931-4-19 6461 Napa Conn Valley. Comment
  UC518945  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa s of Walters Springs (Pope Creek bridge); Pope Creek Comment
  UCD170680  Malacothrix floccifera 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
  UC194452  Malacothrix floccifera C. F. Sonne 1897-4-1 Napa Sulphur Springs St. Helena Comment
  UCD116603  Malva nicaeensis David Lawfer 1952-4-28 153 Napa Napa. Comment
  JEPS122723  Malvella leprosa Jake Ruygt 1992-9-5 3147 Napa Highway 29 at intersection with Highway 12. Quad: Cuttings Wharf. Comment
  UCD170737  Marah fabacea 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. 154 Comment
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  JEPS42486  Marah oregana Willis L. Jepson 1893-4-25 14134 Napa w St. Helena (trail to Caux's Cabin); Hoods Peak Range, Napa River Basin Comment
  RSA10654  Marah oregana C. B. Wolf 1928-5-3 1835 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCR242400  Marah watsonii Ellen Dean, Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 606 Napa North Coast Range, McLaughlin Reserve, c. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along the old road that climbs up ridge on east side 537 Comment
  UCD13202  Matricaria discoidea Charles Martin 1986-4-20 3 Napa 3 mi W of Monticello Dam, along hwy 128. 304 Comment
  UCD47913  Matricaria discoidea K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 31 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, middle of Old Knoxville Rd. 426 Comment
  UCD33656  Medicago arabica Beecher Crampton 1971-5-19 8714 Napa Napa County, 3 miles south of Moskowite corner. Comment
  UCD18036  Medicago polymorpha Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 587 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  UCD48966  Medicago polymorpha Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 9 Napa Quail Ridge Reserve, Decker Canyon, along South Decker Canyon Rd., N of jct with Cut-Off Rd. and S of jct with North Decker Canyon Rd., W of old buildings. 167 Comment
  UCD170674  Melica californica Matthew Conner; Plant Science 102 class 2018-4-28 10 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD18005  Melica californica Ellen Dean; with Plant Biology 102 class 2001-4-28 737 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD36944  Melica californica Beecher Crampton 1956-5-25 3465 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCR30549  Melica californica John C. Roos 1939-5-14 269 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  NY1088729  Melica californica var. californica D. K. Christopher 2003-4-11 144 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through the canyon to old homesite foundation. 166 Comment
Read comments
May 8 2010
  CAS-BOT-BC282170  Melica geyeri Rimo Bacigalupi 1924-2-22 s.n. Napa Toll House Grade, Mount St Helena on Calistoga side Comment
  UC1112206  Melica geyeri Peter H. Raven 1957-5-5 10757 Napa hills at w edge Calistoga Comment
  UC771217  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa 7 mi s Calistoga (along the Silverado Trail Road) Comment
  CDA32499  Melica geyeri Unknown 1928-3-15 s.n. Napa Blake Estate, east of Pacific Union College. 0 Comment
  UCD73403  Melica imperfecta Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC264221  Melica torreyana David D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa 170 Comment
  HSC10377  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS129103  Melica torreyana Jake Ruygt 2016-5-3 6227 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  POM182711  Melica torreyana D. D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UC38874  Melica torreyana Willis L. Jepson 1894-5-1 Napa opposite mouth of Conn Valley (Red Ridge); Napa River Basin, Red Ridge Comment
  UCD89195  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  UCSB423  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek about 3 miles east of Chiles Valley Comment
  UCSB425  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  JEPS65544  Melilotus albus W. L. Jepson 1936-7-6 17656 Napa Devil's Gate Putah Pass Comment
  JEPS115773  Mentha pulegium Lowell Ahart 2009-10-12 16440 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
  RSA769180  Mentha pulegium L. Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UCD149586  Mentha pulegium Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  RSA781272  Mentzelia laevicaulis J. T. Howell 1927-6-24 265 Napa Pope Valley Creek near Walter s Springs. Comment
  UCD170200  Micranthes californica Daniel Potter 2015-3-14 757 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 241 Comment
  UCD19940  Micranthes californica E. A. Dean; Virginia Boucher 2002-2-28 898 Napa Quail Ridge Reserve. Along West Rd., 1.1 airline miles north of junction of West Rd. and Decker Canyon Trail. 274 Comment
  UCD121166  Micropus californicus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7352 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  CAS-BOT-BC348547  Micropus californicus var. californicus Carl B. Wolf 1928-5-3 1797 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  SEINET205166  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek ca .5 mi W of Devilhead Rd ca 3 mi SSW of Knoxville Comment
  JEPS84591  Micropus californicus var. californicus John W. Willoughby 1975-5-23 774 Napa w of, s of highway Monticello Dam; Vaca Mountains, State Highway 128 Comment
  UC50010  Microseris acuminata Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  CAS-BOT-BC348970  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS106894  Microseris douglasii subsp. douglasii Jake Ruygt 1983-5-24 1462 Napa E ofintersection HWY 12 and 29, Stanley Ranch 0 Comment
  UC1239523  Microseris douglasii subsp. tenella Joseph P. Tracy 1933-6-2 12483 Napa 3 to 4 mi e Angwin's (on hills at the head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  RSA195379  Microseris lindleyi Gilbert Muth 1967-4-16 635 Napa Snell Valley. 183 Comment
  UCD118906  Microsteris gracilis D. C. Finfrock 1950-4-2 13 Napa 2 miles from St. Helena on Pope Valley Road. 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
  UC147893  Mimulus angustatus J. P. Tracy 1902-5-21 1610 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  POM260843  Mimulus angustatus J. T. Howell 1940-5-19 15465 Napa Upper St. Helena Creek. Comment
  UCD14921  Mimulus aurantiacus Wesley Ebert 1977-4-16 34 Napa 6 miles south west of Monticello Dam, along the east side of Highway 128 above East Bull Canyon. 213 Comment
  UCD160390  Mimulus aurantiacus Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  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
Read comments
Apr 20 2017
  UCR24432  Mimulus douglasii John C. Roos 1939-3-18 303 Napa North Coast Range, Snell Valley, [near] Pacific Union College, Angwin 183 Comment
  JEPS110580  Mimulus guttatus Jake Ruygt 1989-5-9 2310 Napa American Canyon, Avilla Ranch 97 Comment
  SEINET7041067  Mimulus guttatus Christopher T. Ivey 2002-4-23 358 Napa West side of Chiles-Pope Valley Road, 4.2 miles south of Pope Canyon Road. 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
  RSA309393  Mimulus latidens W. L. Jepson 1893-4-27 31 Napa Lower Napa Valley, Napa River Basin. 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
  JEPS11351  Mimulus microphyllus Willis L. Jepson 1893-5-2 7 m Napa e Calistoga (on the New Pope Valley grade); Napa River Basin, Napa Range Comment
  UC26939  Mimulus microphyllus Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UCD96585  Mimulus microphyllus Dena Grossenbacher; Brian Green 2008-5-29 852 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  JEPS129171  Mimulus nudatus Jake Ruygt 2015-4-4 6064 Napa Butts Canyon south of Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  JEPS110594  Mimulus pulsiferae Jake Ruygt 1992-5-6 2946 Napa west of Mitten Lake, Wild Horse Valley 420 Comment
  UC1778557 Image available Mimulus pulsiferae S. E. Schoenig 1998-6-5 98 -24 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  UCD85033  Mimulus pulsiferae Dena Grossenbacher 2009-5-14 992 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 Comment
  SEINET5725995 Image available Minuartia californica Stephen Randall 1974-1 3 Napa 1 air mile southeast of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  JEPS106748  Minuartia douglasii Jake Ruygt 1981-4-12 971 Napa Three Peaks 670 Comment
  JEPS84704  Minuartia douglasii John W. Willoughby 1977-4-20 2140 Napa below and just to s of Mount Vaca (w side of ridge); Vaca Mountains, Blue Ridge 457 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
  UCD125050  Monardella douglasii Jane Valerius 1998-6-22 s.n. Napa ca. 4 air miles northeast of Vallejo and ca. 1.5 miles west of Hwy 80, along banks and at top of unnamed south-trending tributary to American Canyon Creek. 60 Comment
  UC25539  Monardella villosa subsp. villosa Edw. L. Greene July 1891 Napa Comment
  JEPS62404  Monardella villosa subsp. villosa W. L. Jepson 1923-6-3 9969 Napa Calistoga Napa Valley 91 Comment
  CAS-BOT-BC220697  Monardella viridis Peter H. Raven 1951-8-20 3860 Napa East Point, near Lokoya 609 Comment
  LA87890  Monardella viridis Elizabeth McClintock; 1968-8-4 sn Napa above Aetna Springs between Middletown and Pope Valley Comment
  UC1995309  Monardella viridis John Thomas Howell 1937-7-4 13060 Napa Wooden Valley Grade Comment
  UC419738  Monardella viridis Mrs. H. P. Bracelin 1930-7-13 28 Napa s slope Mt. St. Helena Comment
  JEPS110827  Monardella viridis subsp. viridis Jake Ruygt 1988-7-12 3513 Napa Taylor property, south of Lake Hennessey boatramp on private r 445 Comment
  SEINET10582243  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 372 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  JEPS106887  Monolopia major Jake Ruygt 1982-5-8 1232 Napa American Canyon, north of quarry 176 Comment
  RSA0054950  Montia Keith E. Hoffmaster 1946-3-23 1218 Napa Along Napa-Monticello road. Comment
  JEPS5865  Montia fontana W. L. Jepson 1940-2-29 19499 Napa 4 mi se of Yountville (Napa Valley, Vicinity of San Francisco Bay); Napa Valley Comment
  UC1151681  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa hills above Capell Creek (n end of valley); Capell Valley Comment
  UCD86407  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UC1198225  Muilla maritima Joseph P. Tracy 1949-4-24 18289 Napa Myrtledale Hot Springs Calistoga 152 Comment
  CAS-BOT-BC515122  Muilla maritima David D. Keck 1931-4-4 1096 Napa Geyers just NW of Calistoga, northwestern Napa County Comment
  CAS-BOT-BC515123  Muilla maritima John Thomas Howell 1926-3-27 1760 Napa Myrtledale Hot Springs, near Calistoga Comment
  CAS-BOT-BC515124  Muilla maritima Peter H. Raven 1957-5-5 10743 Napa Near the hot springs, Calistoga 91 Comment
  JEPS129124  Najas minor Jake Ruygt 2010-8-14 5722 Napa NW shore of Lake Berryessa; Barton Hill. Walter Springs 7.5' Quad. Comment
  UC60162  Nassella cernua W. L. Jepson 1896-6-2 Napa near St. Helena; Stone Bridge Comment
  CAS-BOT-BC259966  Nassella lepida Milo S. Baker 1945-5-11 10895 Napa Boundary ridge between Napa and Sonoma Counties near Summit of Spring Mountain Road Comment
  SEINET212975  Nassella lepida Diana Toth 1974-4-29 Napa Rt 128 between Rutherford and Davis Comment
  UCD82602  Nassella lepida Ellen Dean; T. Starbuck 2009-5-4 5540 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD87466  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  UCD87480  Nassella pulchra Beecher Crampton 1962-5-16 6433 Napa 0.5 mile W of Aetna Springs. Comment
  CAS-BOT-BC230261  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa Just S of Pope Creek Bridge, S of Walters Springs Comment
  JEPS120321  Navarretia divaricata subsp. vividior Jake Ruygt 2007-5-17 5174 Napa Wildlake Ranch, near Potato Hill . Calistoga 7.5' Quad. Comment
  UCD73437  Navarretia intertexta Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS16710  Navarretia intertexta Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4126 Napa 5.25 mi n Calistoga (along road to Middletown (State Highway 29)) 411 Comment
  JEPS70335  Navarretia intertexta Willis L. Jepson 1903-9-7 2351 Napa above St. Helena Reservoir (near summit w side of valley, in York Creek Canyon); Napa River Basin, St. Helena, York Creek Canyon Comment
  UC908407  Navarretia intertexta Herbert L. Mason 1935-5-30 8329 Napa between Lower Lake and Knoxville mine (Napa-Lake counties) Comment
  JEPS120320  Navarretia intertexta subsp. intertexta Jake Ruygt 2006-6-11 5049 Napa Southwest part of Walnut Flat, near Wildlake. Saint Helena 7.5' Quad. Comment
  UC142968  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UCD167184  Navarretia jepsonii Jake Ruygt 1980-6-17 919 Napa 23.6 miles north of Pope Canyon Road on Berryessa Knoxville Road. 632 Comment
  JEPS112555  Navarretia mellita Jake Ruygt 1989-6-3 2359 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 393 Comment
  SEINET5642396  Navarretia paradoxinota Leigh A. Johnson 1996-5-26 96 -012 Napa Along Snell Valley Road within 50 yards of jct. between Snell Valley Road and Butts Canyon Road. In moist earth and shallow pool along S side of road. 350 Comment
  CAS-BOT-BC232667  Navarretia pubescens Peter H. Raven 1951-6-26 3077 Napa Coppell Valley 304 Comment
  POM261444  Navarretia pubescens Thos. Howell 1937-5-23 s.n. Napa Palisades. Comment
  SEINET12350537  Navarretia pubescens Unknown 1959-5-26 5258 Napa Vaca Mountains, Marley Canyon, along State highway 128 Comment
  UCD167195  Navarretia pubescens Jake Ruygt 2010-6-5 5591 Napa Snell Valley, Missimer Preserve, 33 acre addition. 176 Comment
  UCD36307  Navarretia pubescens Beecher Crampton 1953-5-19 1309 Napa 4 miles south of Monticello, along Highway 128. Comment
  UCD38858  Navarretia squarrosa Beecher Crampton 1962-10-9 6695 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  JEPS70465  Navarretia squarrosa Willis L. Jepson 1903-9-7 2353 Napa w of St. Helena (above St. Helena Reservoir); Napa River Basin, York Creek Comment
  CAS-BOT-BC232736  Navarretia subuligera John Thomas Howell 1940-5-19 15462 Napa Upper St. Helena Creek Comment
  JEPS70479  Navarretia tagetina W. L. Jepson 1930-10-19 15689 Napa Pope Valley Comment
  SEINET196694  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Tributary of Putah Creek, Pope Valley. Comment
  JEPS1208  Nemacladus montanus Freed Hoffman 1952-5-24 Napa 8.3 mi w junction of Monticello, Sage Canyon and Winters roads (Sage Canyon road) Comment
  CAS-BOT-BC7191  Nemophila heterophylla Mary Katherine (Mrs.) Brandegee 1889-4-1 s.n. Napa St. Helena Comment
  JEPS129070  Nemophila heterophylla Jake Ruygt 2016-3-26 6166 Napa Wantrup Wildlife Preserve. Saint Helena 7.5' Quad. Comment
  UCD120070  Nemophila heterophylla M. Wiesendanger 1928-4-5 857 Napa Monticello-Napa Rd. Comment
  UCD19943  Nemophila heterophylla E. A. Dean; Virginia Boucher 2002-2-28 895 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  UCD49095  Nemophila heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 6 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. Between stream and South Decker Canyon Rd., where stream comes within 6 ft. of the road. 152 Comment
  UCD73400  Nemophila heterophylla Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  JEPS3154  Nemophila heterophylla W. L. Jepson 1900-3-10 547 Napa ne St. Helena (between Napa River and Sanitarium); btw Napa River and Sanitarium, ne of St. Helena Comment
  UCD120237  Nemophila menziesii G. L. Webster 1967-3-23 7494 Napa c. 1 mi S of Spanish Flat. 167 Comment
  SEINET5730453 Image available Nemophila menziesii Stephen L. Clement 1973-1 25- 4 -8 Napa 11.6 miles south of Pope Valley, Napa County.; Pope Valley Comment
  UCD23396  Nemophila menziesii Robert Giorgis 1977-4-16 6 Napa Small herbaceous plant, flowers blue and white. 300 meters south of Highway 128, 6.4 miles SW of Monticello Dam. Low on NE facing slope of canyon in riparian and oak woodland ecocline. Comment
  UCD23405  Nemophila menziesii Leslee Newton 1977-4-16 6 Napa Erect plants 2-4 inches tall, leaves green, pinnately lobed and pubescent, stems also pubescent. Flower petals with blue margins and veins, the rest white. Foothill woodland, scattered patches of 3-4 individuals in open field. 6.4 miles SSW of Monticello Dam on Highway 128. 182 Comment
  JEPS1880  Nemophila menziesii var. atomaria Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UCD166682  Nemophila menziesii var. atomaria Jake Ruygt 1977-3-14 153 Napa Soda Canyon Road, 2.2 miles north of Silverado Trail. 137 Comment
  POM320432  Nemophila menziesii var. menziesii Carole Mathews 1972-3-28 20 Napa North shore of Lake Berryessa, about 5 miles above Monticello Dam. South Coast Range, Lake Berryessa drainage area. 274 Comment
  JEPS122690  Nerium oleander Jake Ruygt 2004-9-4 4663 Napa Beryessa-Knoxville Road at Zim-Zim Creek. Quad: Knoxville. Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  SBBG28937  Nuttallanthus texanus D. D. Keck 1931-4-2 1021 Napa Wooden Valley Grade, west side of Napa Range, 5 mi NE of Napa 170 Comment
  UCD82608  Odontostomum hartwegii Ellen Dean; T. Starbuck 2009-5-4 5546 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 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
  UCR23341  Onychium densum John C. Roos 1938-12-10 286 Napa North Coast Range, Blake's Canyon, Pacific Union College, Angwin Comment
  JEPS110571  Orobanche fasciculata Jake Ruygt 1987-5-16 1993 Napa Devil's Canyon north of falls 579 Comment
  JEPS110572  Orobanche fasciculata Jake Ruygt 1992-5-20 2992 Napa west of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  JEPS110570  Orobanche uniflora Jake Ruygt 1982-4-25 1202 Napa Swartz Canyon near falls 381 Comment
  UCD167625  Orobanche uniflora Jake Rugyt 1980-4-22 844 Napa 8.9 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 198 Comment
  UCD32414  Orthocarpus Beecher Crampton 1950-5-7 569 Napa about 3-4 miles southeast of Yountsville, east side of Napa Valley, along Silverado Trail. Comment
  JEPS15890  Osmorhiza berteroi John Benson 1887-1-1 Napa Comment
  UC592162  Osmorhiza berteroi H. L. Mason 1926-3-22 2788 Napa between Calistoga to Petrified Forest Comment
  UCD120664  Oxalis corniculata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7326 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
  CDA4676  Oxalis rubra W. O. McCartney 1966-5-12 49 Napa Monticello Road, 3 miles north of Vicky Road, Napa. 0 Comment
  SEINET9352078  Packera clevelandii Unknown 1993-10-3 11425 Napa Moist edges of stream w/n stand of Cupressus sargentii. 2.6 mi SW along Knowville-Devilhead Rd from Knoxville-Berryessa Rd. 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
  JEPS81214  Packera eurycephala var. eurycephala Douglas W. James Jr. 1973-5-5 97 Napa near, not far from road that runs through the ranch MacDonald Ranch property line; Las Posadas State Forest, Pope Valley 411 Comment
  CAS-BOT-BC316942  Packera greenei Beecher Crampton 1957-6-4 4098 Napa above Capell Creek, north end of Capell Valley Comment
  UC1328136  Packera greenei Donald V. Hemphill 1941-5-15 162 Napa 2 mi se Angwin; Blakes Canyon 426 Comment
  CAS-BOT-BC316944  Packera greenei Mrs. H. C. Cantelow 1934-5-30 550 Napa Mt. St. Helena Comment
  JEPS122965  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-5 1748 Napa NW slope of Mt. George. Quad: Mt. George. Comment
  JEPS122913  Panicum capillare Jake Ruygt 2004-9-21 4668 Napa 1 mile south of Turtle Rock cafe on Highway 128. Quad: Yountville. Comment
  UCD33885  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa Napa County, south of Yountville. Comment
  JEPS110746  Parentucellia viscosa Jake Ruygt 1988-5-4 2178 Napa SW corner of HWY 29 and Airport Rd. 19 Comment
  UCD170442  Parentucellia viscosa Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 914 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 407 Comment
  UC1245369  Parvisedum pumilum Joseph P. Tracy 1950-5-23 18657 Napa near Angwin Creek (Howell Mountain); Howell Mountain 457 Comment
  UCD88729  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  JEPS129131  Pectocarya penicillata Jake Ruygt 2012-4-28 5832 Napa Crystal Flats, west of Putah Creek. Aetna Springs 7.5' Quad. Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1239630  Pectocarya pusilla Joseph P. Tracy 1933-4-30 1212 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  JEPS68220  Pectocarya pusilla Willis L. Jepson 1893-3-13 21091 Napa Hills near St. Helena Napa River Basin Comment
  UC25011  Pectocarya pusilla Willis L. Jepson 1893-3-13 Napa hill e St. Helena Comment
  UCD20782  Pectocarya pusilla V. (Shorty) Boucher 2002-3-27 1 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of the intersection of West and East roads, along upper Ridge road. On the road through burned chaparral at the north tip of the peninsula. 320 Comment
  JEPS10349  Pedicularis densiflora Alice King July, 1919 Napa Van Ness Ranch; Mount St. Helena Comment
  UCD123309  Pedicularis densiflora Gerald D. Carr 1971-3-3 521 Napa 1.3 miles west of Berryessa-Knoxville Rd. On California 128, 6 miles west of Moskowite Corners. Comment
  UCD19956  Pedicularis densiflora E. A. Dean; Virginia Boucher 2002-2-28 900 Napa Quail Ridge Reserve. Along East Rd., 1.4 airline miles N of Hwy 128. 365 Comment
  RSA10634  Pedicularis densiflora Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  SEINET5737917 Image available Pedicularis densiflora Mark Cary 1971-1 37 Napa State Hwy 128, 18.35 miles east of the Sonoma-Napa County line. Comment
  UCD47772  Pellaea andromedifolia Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 6 Napa Mclaughlin Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. Hillside ca. 150 m above the road, east of the calcium seep, on a west-facing slope, 50 m down from the crest of the hill. 426 Comment
  UCD48364  Pellaea andromedifolia M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 13 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines on lower road. 274 Comment
  CAS-BOT-BC69209  Pellaea andromedifolia W. R. Dudley 1895-2-23 s.n. Napa Knights Valley Comment
  UC197944  Pellaea andromedifolia C. F. Sonne Apr. 1885 Napa Soda Springs Comment
  CAS-BOT-BC71382  Pellaea mucronata Paul F. Covel 1940-4-28 1704 Napa Grade near Sanitarium Comment
  JEPS129056  Pellaea mucronata var. mucronata Jake Ruygt 2016-12-3 6298 Napa Butts Canyon southwest of Snell Peak. Aetna Springs 7.5' Quad. Comment
  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
  SFV8540  Penstemon heterophyllus B. Henry 1973-5-5 23 Napa North Coast Ranges Vaca Mountains. State Highway 128, 2 miles above Monticello Dam. 150 Comment
  NY601784  Penstemon heterophyllus var. purdyi H. T. Edwards 09 1875 s.n. Napa St. Helena 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
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Jan 13 2018
  CAS-BOT-BC245719  Penstemon newberryi var. sonomensis L. R. Abrams 1928-5-4 12259 Napa Mt. St. Helena trail near Stevenson's monument Comment
  JEPS60094  Pentagramma triangularis subsp. triangularis W. L. Jepson 1934-10-16 16894 Napa Adam and Eve Ridge Howell Mt Comment
  UC399577  Pentagramma triangularis subsp. triangularis H. P. Chandler 1907-5-30 7597 Napa White Sulphur Spring St. Helena Comment
  JEPS104486  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1991-7-24 2799 Napa Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  UC126553  Perideridia kelloggii Harley P. Chandler Sep 7 1906-Sep 14 1906 7102 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD19310  Perideridia kelloggii M. A. Bibbo; E. Dean 2001-7-6 2 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
  JEPS12448  Perideridia kelloggii Willis L. Jepson 1893-9-24 14218 Napa Howell Mt. Napa River Basin Comment
  UCD149578  Persicaria hydropiperoides Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD149604  Persicaria lapathifolia Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC134010  Phacelia distans John H. Thomas 1955-5-21 5173 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS110858  Phacelia distans Jake Ruygt 1980-4-30 861 Napa Suscol Creek 121 Comment
  UC1277977  Phacelia distans B. Crampton 1957-4-15 3934 Napa Capell Valley Comment
  UC914301  Phacelia distans Verne Grant and Alva Grant 1947-4-19 7939 a Napa on Monticello rd 8 mi from Vichy Springs (e slope of mts.); Mayacama Mts. Comment
  UC1228238  Phacelia egena J. R. Sweeney, H. L. Mason, R. Bacigalupi 1953-6-8 Napa top of grade of rd over e flank of mt Mt. St. Helena (from Calistoga to Middletown) 670 Comment
  UC131533  Phacelia imbricata C. F. Baker 1903-4-20 2604 Napa Mt. St. Helena Comment
  CDA40411  Phacelia imbricata J. T. Howell 1931-4-3 6126 Napa Pope Creek Canyon, 8 miles from Monticello. 0 Comment
  RSA10681  Phacelia imbricata subsp. imbricata Carl B. Wolf 1928-5-3 1806 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA582241  Phacelia imbricata subsp. imbricata Joseph A. Ewan 1934-4-30 8848 Napa Five miles south of Montebiello, on Steel Canyon Road. Comment
  UCD166689  Phacelia imbricata subsp. imbricata Jake Ruygt 1998-5-16 3966 b Napa Maggies Peak, near Bismark Knob. 594 Comment
  UCD48042  Phacelia tanacetifolia A. Laffin; A. Randall, S. Holck 2002-4-13 2 Napa Napa Co, McLaughlin UC Reserve, north of Knoxville-Berryessa Road, just west of turn-off to old town of Knoxville. Ca. 0.2 airline mile up slope of road, in calcium seep. 431 Comment
  CAS-BOT-BC265790  Phalaris aquatica T. H. Kearney 1951-6-16 s.n. Napa Along Vichy Road ca. 2 mi. from Napa Comment
  UCD88185  Phalaris aquatica R. Tofsrud 1948-5-1 s.n. Napa Napa. Comment
  UC187260  Phalaris caroliniana Joseph P. Tracy 1903-5-15 1851 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS110943  Phlox gracilis Jake Ruygt 1979-3-11 447 Napa Trefethen hillside property NE of Carell Lane 152 Comment
  UCD49303  Phoradendron leucarpum subsp. tomentosum K. Mogel; B. Pekin and M. Higley 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 800 ft. N of power lines along the road that leads N from the meadow; 50 ft. downslope of road. 320 Comment
  SEINET12320621  Phyla nodiflora C. W. Tilforth, Dourley, J. 1979-1 1858 Napa 0.4 MI S of Park Headquarters, W side of Lake Berryesa 137 Comment
  UCD113675  Physocarpus capitatus B. Crampton 1956-5-25 3489 Napa Along creek bank, headwaters of Sarco Creek, Howell Mtns. Comment
  CDA12114  Pickeringia montana G. F. Hrusa 1989-5-2 7185 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  UCD15251  Pickeringia montana Ted Graber 1984-5-12 20 Napa along highway 128, 3 miles west of Moskowite corner. 243 Comment
  UCD38721  Pickeringia montana Beecher Crampton 1957-6-4 4100 Napa North end of Capell Valley. Comment
  JEPS65582  Pickeringia montana var. montana W. L. Jepson 1904-6-3 2439 Napa Howell Mt. Comment
  UCD117788  Pickeringia montana var. montana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, south of undeveloped road. 391 Comment
  CAS-BOT-BC73327  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  CAS-BOT-BC73375  Pinus attenuata Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5338 Napa Up a canyon, north side of Pope Creek between Samuels Springs and Walters Springs. 243 Comment
  JEPS48193  Pinus ponderosa Willis L. Jepson 1901-8-6 1733 Napa Hourell Mt. Napa River Basin, Hourell Mt. Comment
  UC400310  Pinus sabiniana W. L. Jepson Dec 1895 Napa Conn Valley St. Helena Comment
  UCD47758  Pinus sabiniana R. Blenkush 2000-4-22 16 Napa Northern Napa County, Mclaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  UCD70464  Pinus sabiniana B. Wengeler 1995-4-16 s.n. Napa West of city of Winters; 2 m W of Monticello Dam along hwy 128. 140 Comment
  JEPS60939  Plagiobothrys bracteatus Willis L. Jepson 1893-4-26 21168 Napa Rutherford Napa River Basin Comment
  UCR205996  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 mi south of Pope Canyon Road on Hardin Road 184 Comment
  SEINET3895550  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 miles south of Pope Canyon Road on Hardin Road. SW side of road in vernal pool.; 0 183 Comment
  UCD164774  Plagiobothrys bracteatus Jake Ruygt 2014-5-19 5948 Napa Sutro Ranch, Atlas Peak. 722 Comment
  SBBG28857  Plagiobothrys canescens D. D. Keck 1931-4-3 1057 Napa mouth of Pope Crk, Berryessa Valley, 6 mi NW of Monticello Comment
  UCD120814  Plagiobothrys canescens H. Popenoe 1949-4-17 13 Napa 8 miles west of Winters. Comment
  JEPS129132  Plagiobothrys cognatus Jake Ruygt 2011-5-7 5777 Napa Mill Valley near Angwin; central portion. Saint Helena 7.5' Quad. Comment
  UC24553  Plagiobothrys cusickii Willis L. Jepson 1893-5-8 Napa Angwin's Meadow Napa River Basin, Howell Mt. Comment
  JEPS106767  Plagiobothrys greenei Jake Ruygt 1980-4-22 837 Napa .5 miles west of Pope Valley Rd. on Barnett Rd. 201 Comment
  UCD148755  Plagiobothrys nothofulvus Jake Ruygt 2002-4-1 4375 Napa Napa County; Blue Ridge north of Mays Flat. 716 Comment
  UCD149697  Plagiobothrys nothofulvus Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  HSC3767  Plagiobothrys nothofulvus Greg Bos 1963-3-3 24 Napa W shore of Lake Berryesa 152 Comment
  UCD23372  Plagiobothrys nothofulvus Rebecca L. Moehlmann 1977-4-16 16 Napa White flowers, pentamerous, pubescent. Foothill woodland with blue oak, live oak and digger pine. Beside Hwy 128, 6.4 miles southwest of Monticello Dam, roadside. Wragg Canyon. 198 Comment
  UCD74386  Plagiobothrys stipitatus var. micranthus Jake Ruygt 1982-4-14 1185 Napa East of Rocktram, west of Hwy. 221. 1 Comment
  CAS-BOT-BC228491  Plagiobothrys strictus John Thomas Howell 1926-3-28 1778 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC228496  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  JEPS106762  Plagiobothrys strictus Jake Ruygt 1996-4-11 3589 Napa Calistoga Airport 105 Comment
  SBBG54670  Plagiobothrys strictus P. H. Raven 1957-5-5 10741 Napa near the hot springs at the airport, Calistoga Comment
  JEPS106760  Plagiobothrys tenellus Jake Ruygt 1986-4-20 1718 Napa The Palisades 755 Comment
  JEPS106761  Plagiobothrys tenellus Jake Ruygt 1982-3-22 1143 Napa Kreuze Canyon 381 Comment
  POM63831  Plagiobothrys tenellus C. F. Baker 1903-4-20 2624 Napa Mt. St. Helena. Comment
  UC1245375  Plagiobothrys tenellus Joseph P. Tracy 1950-5-23 18669 Napa dry gravelly flats Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC1746028  Plagiobothrys tener var. tener Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2768 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  HSC81864  Plantago elongata Thomas W. Nelson, Jane Nelson 1980-5-3 5148 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD81817  Plantago erecta Ellen Dean 2009-4-24 5444 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CHSC59778  Plantago lanceolata William Schlack 1975-5-16 33 Napa Zinfandel Lane, 2 miles west of State Highway 29. 91 Comment
  JEPS7122  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa e of Yountville Comment
  UCR12028  Plantago lanceolata Coleta A. Lawler 1964-3-24 16 Napa Junction of Redwood Rd and Browns Valley Rd Comment
  JEPS110759  Plantago major Jake Ruygt 1996-5-11 3657 Napa SE of Suscol; Napa Sanitation District; Somky Ranch. 3 Comment
  UCD170190  Platystemon californicus Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 767 Napa Knoxville Wildlife Area, east of Zim Zim Falls. 385 Comment
  UCR12060  Platystemon californicus Coleta A. Lawler 1964-3-24 09 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  UC855258  Platystemon californicus Lewis S. Rose 1939-4-16 39066 Napa 6 mi s Napa 30 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
  JEPS6141  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4448 Napa s of Monticello Valley Comment
  UCD49301  Plectritis ciliosa A. Van Houtte; E. Leger and C. Hohn 2001-4-14 9 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
  UCD49299  Plectritis congesta subsp. brachystemon C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 22 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; downslope of West Rd., N of jct with S. Decker Canyon Rd. 152 Comment
  JEPS6143  Plectritis macrocera Bacigalupi and Dempster 1954-5-10 4446 Napa Highway 128 between Chiles Valley and Monticello Valley; Highway 128 Comment
  UC168965  Plectritis macrocera Joseph P. Tracy 1902-5-15 1483 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD48235  Plectritis macrocera M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 9 Napa McLaughlin UC Reserve. W side of Davis Creek Reservoir, 10 m S of road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and Ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  UCR27515  Plectritis macrocera John C. Roos 1939-3-27 263 Napa North Coast Ranges, Pope Valley Comment
  JEPS110897  Plectritis macrocera Jake Ruygt 1999-5-1 4142 Napa Gunn ranch, E side of Lake Berryessa 146 Comment
  UC1145108  Pleuropogon californicus Joseph P. Tracy 1938-6-6 15844 Napa between Napa City and Yountville Napa City; Napa Valley 30 Comment
  UC71014  Pleuropogon californicus Willis L. Jepson May 1892 Napa Napa Valley , Napa River Basin (Napa River Basin) Comment
  UCD37555  Pleuropogon californicus Beecher Crampton 1955-4-4 2392 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD90210  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-4 2392 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC260957  Pleuropogon californicus var. californicus A. A. Heller 1924-4-12 s.n. Napa Near one of the hot springs, Calistoga Comment
  UC184007  Poa howellii Joseph P. Tracy 1902-5-16 1510 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 335 Comment
  UCD91554  Poa napensis R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  SEINET4455613  Poa napensis A. A. Beetle 1946-1 Napa Comment
  CAS-BOT-BC255949  Poa pratensis Peter H. Raven 1951-5-26 2890 Napa Howell Mtn. above Pope Valley 304 Comment
  JEPS122926  Poa pratensis subsp. pratensis Jake Ruygt 1990-5-6 2531 b Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  CDA31320  Poa secunda D. G. Kelch 2010-5-6 10 .186-B Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  RSA10674  Poa secunda C. B. Wolf 1928-5-3 1814 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD20426  Poa secunda E. Dean; w/ PLB 102 class 2002-5-4 1013 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
  JEPS76076  Poa secunda subsp. secunda W. L. Jepson 1938-5-18 18788 Napa behind St Helena Sanitarium (Howell Mt, on top of little hill,) Comment
  JEPS85020  Poa secunda subsp. secunda Larry Heckard and Mary Ashton 1969-5-3 2224 Napa 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd, above and w of meadow) 510 Comment
  JEPS110821  Pogogyne douglasii Jake Ruygt 1984-5-6 1550 Napa west of Lewelling Lane, St. Helena 85 Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  JEPS129037  Pogogyne douglasii Jake Ruygt 2016-5-25 6262 -Y Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UC883696  Pogogyne douglasii Alice Eastwood 1915-6-5 4626 Napa Calistoga Comment
  SEINET7968092  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Near Calistoga. 91 Comment
  JEPS110820  Pogogyne serpylloides Jake Ruygt 1994-5-17 3377 Napa Bennett Lane, Butts Canyon Road; Juliana Vineyards 252 Comment
  JEPS30740  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa between St. Helena and Mt. St. John (hills w of Napa Valley); w of Napa Valley 228 Comment
  SEINET6044076  Polycarpon tetraphyllum Unknown 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. Comment
  JEPS112607  Polygala californica Jake Ruygt 1976-5-6 60 Napa 4.2 miles NE of Westgate Dr. on Atlas Peak Rd. 408 Comment
  RSA10666  Polygala californica Carl B. Wolf 1928-5-3 1823 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC109721  Polygala californica K. Brandegee Aug 1888 Napa Howell Mountain Comment
  UCD82591  Polygala californica Ellen Dean; T. Starbuck 2009-5-4 5530 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  JEPS110853  Polygonum amphibium var. emersum Jake Ruygt 1979-8-7 790 Napa .1 mile north of Yountville underpass on Yount St. 28 Comment
  CAS-BOT-BC109156  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109158  Polygonum bolanderi T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain. Comment
  CAS-BOT-BC109161  Polygonum bolanderi C. G. Pringle 1882-10-9 s.n. Napa Napa Hills. Comment
  JEPS50582  Polygonum bolanderi Willis L. Jepson 1893-9-25 14782 Napa Lone Tree Farm Napa River Basin, Sunset Hills (edge of hills) Comment
  POM263036  Polygonum bolanderi J. C. Roos 1938-11-12 320 Napa In rocky place, Angwin, Napa Range. 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
  JEPS50621  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River; bed Comment
  RSA755360  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UC1562672  Polygonum punctatum Barbara Ertter with Elizabeth Neese 1988-10-2 7953 Napa on creek below spillway on N side of Rt. 128 (ca 15 air mi nnw of Napa); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CAS-BOT-BC420986  Polygonum spergulariiforme R. F. Hoover 1966-8-23 9920 Napa East side of Mt. St. Helena Comment
  UCD91411  Polypogon monspeliensis M. Wiesendanger 1926-4-1 1495 Napa Somewhere. Comment
  CAS-BOT-BC72344  Polystichum imbricans subsp. imbricans Betty H. Johnson 1958-6-20 664 Napa near Mt. Mill House, 6.4 mi. S.W. of Middletown Comment
  CAS-BOT-BC72464  Polystichum munitum Elsa G. Ruckert 1960-3-26 45 Napa 6495 Dry Creek Road, field to right of private road leading in to property 365 Comment
  CAS-BOT-BC445238  Portulaca oleracea J. H. Thomas 1964-6-28 10438 Napa At Charles Krug winery at St. Helena. Comment
  CAS-BOT-BC267121  Potamogeton Alice A. Ackley 1968-8-29 s.n. Napa Along main highway at Hoffman Road crossing, Yountville Comment
  CAS-BOT-BC453918  Potamogeton pectinatus Peter H. Raven 1951-10-28 3943 Napa Conn Lake 152 Comment
  JEPS42990  Potamogeton pusillus Willis L. Jepson 1893-4-24 13772 Napa hills e of St Helena (to Conn Valley Road); Napa River Basin Comment
  JEPS44963  Prunus subcordata W. L. Jepson 1917-8-16 7434 Napa Howell Mountain 182 Comment
  UC12813  Prunus subcordata Willis L. Jepson 1893-5-8 Napa New Eden Napa River Basin Comment
  UC467871  Prunus subcordata H. P. Chandler 1907-4-21 7532 Napa Road from Glen Ellen to Oakville (side of Summit) Comment
  CAS-BOT-BC356377  Pseudognaphalium beneolens Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS20436  Pseudognaphalium californicum W. L. Jepson 1936-5-31 17565 Napa in the chamisal on Howell Mountain (at hair-pin turn of the road between the Sanitarium and Four Corners); Napa Range, Howell Mountain Comment
  JEPS20447  Pseudognaphalium californicum Willis L. Jepson 1893-6-24 14741 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UCD63177  Pseudognaphalium thermale Jake Ruygt 1988-8-14 2231 Napa Berryessa-Knoxville Rd. at Pope Canyon Road. 143 Comment
  UCD147467  Psilocarphus brevissimus Ellen Dean; Diana Hickson 2014-4-29 8080 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD118095  Pteridium aquilinum var. pubescens Megan Mateo; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UC1096408  Quercus X morehus W. E. Ferguson 1958-6-15 Napa about 8 mi e Napa (n slope of Mt. George); Mt. George Comment
  UC518957  Quercus X morehus David D. Keck 1933-5-29 2346 Napa Pope Creek Bridge Pope Creek Canyon (s of Walters Springs, s wall of canyon) Comment
  JEPS37715  Quercus agrifolia W. L. Jepson 1901-11-17 1753 Napa near St. Helena; Napa River Basin Comment
  UCD45012  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa From a population of this species, Q. wislizenii, and a few hybrids; along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif.; elev. 580 feet. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  CDA12252  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Tree at upper end of Lake Hennessey along Hwy. 128. Comment
  UC126507  Quercus berberidifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7154 Napa Alta Loma Ranch Howell Mountain 487 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
  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
  UCD14834  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -7 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  CAS-BOT-BC62460  Quercus chrysolepis Peter H. Raven 1964-5-9 19060 Napa along dirt road 2 miles west of Aetna Springs Comment
  JEPS116542  Quercus chrysolepis Jake Ruygt 1984-3-31 1516 a Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  SACT002631  Quercus chrysolepis John Willoughby 1977-2-1 Napa East side of Mount Vaca, just below summit along road, near stand of Torreya californica, in chaparral. Comment
  JEPS116541  Quercus douglasii Jake Ruygt 1996-5-4 3644 Napa Butts Canyon Road at James Creek Road; field to SE. Aetna Springs 7.5' Quad. Comment
  JEPS37493  Quercus douglasii Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  SFV17780  Quercus douglasii J. M. Tucker 1995-10-14 s. n. Napa Homestead Area of the McCormick Ranch, about 1.1 miles north of Bald Mountain in Sugar Loaf State Park, and roughly 7 miles west of St. Helena. 549 Comment
  UC1196502  Quercus douglasii Joseph P. Tracy 1933-4-30 12085 Napa 5 mi e Angwin's; Howell Mountain, Moores Creek Comment
  UC993144  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD45721  Quercus douglasii J. M. Tucker 1948-9-5 1868 18 Napa South side of Highway 12 (road from Napa to Sononma), ca. 1/4 mile east of the Sonoma-Napa county line, in Napa County, California. Comment
  UCD45768  Quercus douglasii 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; elev. ca. 1800 ft. 548 Comment
  CAS-BOT-BC79835  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and capell Creek, about 12 mi E of St. Helena 274 Comment
  CAS-BOT-BC79836  Quercus durata Margaret J. Williams; Wayne Roderick 1984-5-22 84- 13 -1 Napa Hwy 29, 0.3 mi into Lake County from Napa County 396 Comment
  CAS-BOT-BC79842  Quercus durata Walter Knight; Irja Knight 1963-9-1 147 Napa Pine Rd - NE of Cloverdale, Harold Smith Ranch Comment
  RSA118984  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  RSA38487  Quercus durata Carl B. Wolf 1944-11-1 11483 Napa 2.2 miles east of Lake County line, between Knoxville and Lower Lake. 457 Comment
  SFV17679  Quercus durata J. M. Tucker, G. L. Stebbins, Jr. 1950-11-5 2011 22 Napa Below Conn Valley Dam on hillside across creek from the picnic area. Comment
  UCD14808  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -6 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14810  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -12 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14813  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -20 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD160803  Quercus durata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8683 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
  UCD45976  Quercus durata D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  SEINET12029319  Quercus durata W. Knight, Knight, I. 1982-1 4553 Napa 0.5 mi W of Spanish Flat on the road to Conn Reservoir Comment
  JEPS116540  Quercus durata var. durata Jake Ruygt 1996-5-14 3689 Napa White Cliff Springs; Elder Valley; (Sabini property). Chiles Valley 7.5' Quad. Comment
  UCD45941  Quercus durata var. durata G. L. Stebbins, jr. 1948-5-9 3939 Napa In Capell Canyon, on road from Monticello to Rutherford, 9 miles southeast of Monticello. Comment
  UCD45943  Quercus durata var. durata Thomas Morley 1941-5-11 129 B Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  UCD96195  Quercus durata var. durata Ellen Dean; with Clare Loughran 2011-5-20 7075 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC94258  Quercus garryana John M. Tucker 1952-9-20 2626 Napa road up Mt. St. Helena (Highway 29) 5.2 mi (by road) N of Calistoga Comment
  JEPS116535  Quercus garryana Jake Ruygt 1984-3-28 1510 Napa West of end of Whitehall Lane. Rutherford 7.5' Quad. Comment
  UCD46068  Quercus garryana var. garryana J. M. Tucker 1954-9-23 2758 Napa 7.5 miles west of Oakville (Napa County), just about on Napa-Sonoma County line, California. Comment
  UCD46075  Quercus garryana var. garryana J. M. Tucker 1950-11-5 2009 Napa At summit of ridge marking Sonoma-Napa County line, beside Highway 28, ca. 5 miles northwest of Calistoga, California. Comment
  CAS-BOT-BC105295  Quercus kelloggii Peter H. Raven 1952-5-29 4093 Napa Napa River 1 mi N Napa 60 Comment
  RSA149  Quercus kelloggii J. T. Howell 1927-8-23 683 Napa Chiles Valley, Napa Range. 213 Comment
  RSA476819  Quercus kelloggii T. Gertrude Williamson 1924-7-5 s.n. Napa Near St. Helena. Comment
  UC615441  Quercus kelloggii Beryl O. Schreiber 1932-4-3 200 Napa road to Calistoga Comment
  UCD149038  Quercus kelloggii Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8185 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  UCD46636  Quercus kelloggii Beecher Crampton 1962-5-16 6430 Napa 1/2 mile W Aetna Springs. Comment
  JEPS116539  Quercus lobata Jake Ruygt 1988-5-1 2164 Napa Aetna Springs Road near resort. Aetna Springs 7.5' Quad. Comment
  JEPS37359  Quercus lobata Miss Frida Niedenmuller 1908-9-7 Napa St. Helena Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  CAS-BOT-BC104981  Quercus wislizeni Peter H. Raven 1951-8-20 3860 A Napa East Point, near Lokoya 609 Comment
  CHSC59980  Quercus wislizeni Wm. C. Overton Jr. 1980-7-13 Napa Along a south bank of Eticuera Creek ca. 1-1/2 road miles north of Lake Berryessa. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  UCD49054  Quercus wislizeni L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 9 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd., 2 ft. from stream. 152 Comment
  RSA10629  Quercus wislizeni var. frutescens Carl B. Wolf 1928-5-4 1862 Napa Upper slopes of Mount St. Helena. Comment
  JEPS110891  Ranunculus aquatilis var. capillaceus Jake Ruygt 1996-3-30 3539 Napa Jameson Vineyards, South Kelly Road. 67 Comment
  JEPS110890  Ranunculus aquatilis var. hispidulus Jake Ruygt 1981-4-22 996 Napa Suscol plain near Kaiser Steel (Rocktram 3 Comment
  JEPS110892  Ranunculus aquatilis var. hispidulus Jake Ruygt 1982-5-16 1267 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 417 Comment
  JEPS2825 Image available Ranunculus californicus W. L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin; E of St. Helena, Napa River Basin Comment
  RSA92786  Ranunculus californicus Peter H. Raven 1950-4-5 1712 Napa Silverado Trail, outside of Napa 15 Comment
  POM182737  Ranunculus hebecarpus D. D. Keck 1931-4-2 1048 Napa 4 miles S of Monticello, eastern Napa County. Comment
  POM263498  Ranunculus hebecarpus J. C. Roos 1939-4-1 264 Napa St. Helena Sanitarium, near St. Helena Comment
  JEPS110874  Ranunculus lobbii Jake Ruygt 1992-3-18 2854 Napa Wild Horse Valley Ranch north of the polo field 472 Comment
  RSA638890  Ranunculus muricatus J. A. J.ohnston 1995-5-7 3 Napa Hwy 128, 1 mile W of Markley Cove on Lake Berryessa. 38Y'30'N, 122Y'0'W, alt 700m 700 Comment
  JEPS60693  Ranunculus occidentalis Joseph P. Tracy 1933-4-30 12094 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 396 Comment
  UCD96928  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UC511333  Ranunculus occidentalis Lyman Benson 1931-2-26 2600 Napa Mt. St. Helena Hwy Mayacamas Mt. Range, Napa Valley Watershed (near summit) 548 Comment
  POM264976  Ranunculus occidentalis var. eisenii I. L. Wiggins 1928-3-24 2862 Napa Grade on old road to Lake Co. above Calistoga. Comment
  SEINET200318  Ranunculus occidentalis var. rattanii J. P. Tracy 1902-5-22 1631 Napa Hills at head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn Northern Coast Ranges 366 Comment
  JEPS17350  Ranunculus orthorhynchus var. bloomeri Rimo Bacigalupi with John Dawson 1955-4-25 4841 Napa 2 1/2 mi s Imola (field along CA Hwy 29) Comment
  UC162818  Ranunculus pusillus Joseph P. Tracy 1902-5-18 1531 Napa La Jota Plateau Northern Coast Region, Howell Mountain (on hills at head of Moore's Creek, 3-4 mi e of Angwin's) 518 Comment
  UCD160035  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  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
  CAS-BOT-BC427556  Reseda luteola Thomas H. Kearney 1948-8-1 s.n. Napa Near Napa Comment
  CAS-BOT-BC427558  Reseda luteola Peter H. Raven 1951-6-10 2896 Napa Rt. #29 n. of Calistoga 106 Comment
  HSC103814  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. Fred Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. 150 Comment
  UCD159528  Rhagadiolus stellatus D. S. Park 2011-4-11 277 -1 Napa Redwood Canyon. Off Redwood Rd. Comment
  CAS-BOT-BC362897  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson ranch, Dry Creek Road, 2 mi. w. of Yountville Comment
  RSA671144  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson ranch, Dry Creek Road, 2 mi. W. of Yountville. Comment
  CAS-BOT-BC59541  Rhamnus crocea John H. Thomas 1955-5-21 5110 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS110644  Rhamnus crocea Jake Ruygt 1979-5-4 578 Napa Trefethen hillside property east of Carell Lane 152 Comment
  JEPS41999  Rhamnus crocea Willis L. Jepson 1893-4-28 13970 Napa n of Mt. George (gorge n of Wooden Valley grade); Napa Range, Napa River Basin Comment
  JEPS760  Rhamnus tomentella subsp. tomentella W. L. Jepson 1916-8-7 6839 Napa Moore's Creek Howell Mt. Comment
  POM282940  Rhamnus tomentella subsp. tomentella Lyman Benson 1928-11-3 561 Napa Mt. St. Helena, Lake County line, Mayacamas. Putah Creek Watershed 610 Comment
  CAS-BOT-BC199720  Rhododendron occidentale R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6675 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  UC1017696  Rhododendron occidentale Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 mi ne of Napa Comment
  UCD117984  Rhododendron occidentale W. R. Russell; A. D. Graham 1954-5-7 s.n. Napa Between Pope Valley Store and Lake County line, Upper Chiles Valley. Comment
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Mar 21 2013
  UCD20692  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 4 Napa Napa County, NE side of Butts Canyon Rd. along SW and NE side of Butts Creek, 250 ft. east of Napa, 20.14 marker. Bulk of population is 330 ft. west of Napa 20.14 marker, continuous to Lake Co. Plants within 20' of water. Comment
  UCD20698  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 8 Napa Border of Lake County. 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Population extends .5 mile up drainage. Comment
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Sep 28 2012
  UCD20703  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 1 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek from trailhead to point where trail diverges west from creek bed. In or within 10 ft. of creek bed on SE facing slope. Comment
  UCR148773  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 a Napa Butts Canyon Rd. along both sides of Butts Creek 217 Comment
  UCD167072  Rhododendron occidentale Jake Ruygt 2007-6-28 5238 Napa Suscol Creek, about 1/2m mile east of Highway 221. 64 Comment
  CAS-BOT-BC168115  Rhus aromatica Elizabeth Wright 1923-3-20 s.n. Napa Capell Cr. between St. Helena & Putah Cr. Canyon Comment
  POM339720  Rhus trilobata F. R. Fosberg 1967-4-1 48417 Napa Hills just south of Lake Berryessa Comment
  CAS-BOT-BC433100  Ribes John H. Thomas 1955-5-21 5098 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC92977  Ribes californicum var. californicum H. E. McMinn 1922-6-8 209 Napa Along Pope Creek. Comment
  UCD33890  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Napa County, 1/2 mile west of Monticello Dam. Comment
  UC1753838 Image available Ribes malvaceum var. malvaceum Annetta M. Carter, Edward Lee 1935-12-1 1017 Napa Wooden Valley Grade E of Napa on road to Monticello. 43.1 mi. from Berkeley. Comment
  UCD167056  Ribes malvaceum var. malvaceum Jake Ruygt 1995-4-9 3418 Napa Table Rock, The Palisades. 792 Comment
  JEPS9658  Ribes menziesii Willis L. Jepson Napa mountain summit w St. Helena (trail to <?>houx's Knob) Comment
  CAS-BOT-BC198893  Ribes roezlii var. cruentum Peter H. Raven 1951-5-26 2866 Napa Lokoya Lodge 411 Comment
  JEPS49466  Ribes roezlii var. cruentum Willis L. Jepson 1893-5-5 13523 Napa below Toll-House (Middleton grade); Napa River Basin, Mt. St. Helena Comment
  UC572662  Ribes roezlii var. cruentum Herbert B. Kaufner 1937-2-26 19 Napa Devil's Well Upper Mill Creek Canyon 518 Comment
  RSA0024606  Ribes roezlii var. cruentum W. L. Jepson 1893-4-25 13524 Napa Trail to Caux s Cabin, mountains W of St. Helena. Napa River basin. Comment
  JEPS126025  Ribes sanguineum var. glutinosum Jake Ruygt 1982-3-22 1139 Napa Marie Creek, Skyline Park. Mount George 7.5' Quad. Comment
  JEPS110834  Ribes victoris Jake Ruygt 1986-4-20 1723 Napa Palisades north of Halfway House 609 Comment
  JEPS49306  Ribes victoris Willis L. Jepson 1893-5-9 13499 Napa Niebaum's Dam St. Helena Comment
  POM261634  Ribes victoris J. T. Howell 1940-5-19 s.n. Napa Upper St. Helena Creek. Comment
  UC829519  Rigiopappus leptocladus Milo S. Baker 1940-4-23 9554 Napa 7 mi from Monticello (near cliff); Pope Creek Comment
  JEPS53824  Rorippa W. L. Jepson 1936-5-30 17556 Napa Rutherford Napa Valley, Rutherford Comment
  UCD74397  Rorippa curvisiliqua Jake Ruygt 1986-5-19 1779 Napa Napa River at confluence of Tulocay Cr. 1 Comment
  JEPS106849  Rorippa nasturtium-aquaticum Jake Ruygt 1978-5-13 299 Napa Suscol hill east of HWY 29 (221) 9 Comment
  JEPS77931  Rosa californica Edward Lee Dec. 1935 1676 Napa 1/2 mi s south junction of Napa-Monticello Road ((between the Howell and Vaca Mts.)); Wooden Valley Comment
  UC555671  Rosa californica Herbert L. Mason 1923-10-6 774 Napa along Wooden Valley Rd. Comment
  CAS-BOT-BC148157  Rosa gymnocarpa Elsa G. Ruckert 1960-5-7 143 Napa Wall Road, 1/4 mile from junction with Dry Creek Road 365 Comment
  UC126647  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7112 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC1281126  Rosa gymnocarpa H. E. McMinn 1936-4-4 4381 Napa about six mi from Angwin (Howell Mt. to Pope Valley, road to Middletown) Comment
  UC914722  Rosa gymnocarpa Alice Eastwood 1922-5-4 11248 Napa Calistoga Comment
  UCD101077  Rumex acetosella M. Wiesendanger 1927-5-4 699 Napa Monticello, Napa Road. Comment
  CAS-BOT-BC421598  Rumex crispus Peter H. Raven 1952-5-29 4072 Napa Napa River 1 mi. n. Napa 60 Comment
  CHSC102260  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  RSA755378  Rumex dentatus L. Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 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
  UCD167161  Sagina apetala Jake Ruygt 2015-3-23 6050 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD164755  Sagina decumbens subsp. occidentalis Jake Ruygt 2014-5-19 5951 Napa Sutro Ranch, Atlas Peak. 610 Comment
  JEPS120391  Sagina subulata Jake Ruygt 1979-5-14 592 Napa Trefethen Winery, Oak Knoll Comment
  CAS-BOT-BC108663  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC108671  Salix breweri David D. Keck 1931-5-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  SBBG28800  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn between Pope Springs and Aetna Valley 91 Comment
  UC1010435  Salix breweri Milo S. Baker 1931-4-2 5127 Napa on Middletown Rd. 7 mi from Pope Val. Store Comment
  SEINET11993504  Salix breweri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -320 Napa along Butts Canyon Road near junction with Snell Valley Road, along Butts Creek 250 Comment
  CAS-BOT-BC108191  Salix hindsiana Paul H. Jr. Arnaud 1978-5-6 s.n. Napa Steele Resort Park, Lake Berryessa 100 Comment
  CAS-BOT-BC108196  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa About 2 km. W. of Calistoga, on main highway in roadside ditch. Comment
  CAS-BOT-BC108198  Salix hindsiana Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  CAS-BOT-BC539356  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscvol Creek at Hwy 29 19 Comment
  UC5018  Salix laevigata var. congesta Willis L. Jepson May 2 1891-May 6 1891 Napa creek bed of the Putah, below the Bluffs Comment
  JEPS13066  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2340 Napa St. Helena Napa River Basin, St. Helena Comment
  CAS-BOT-BC107049  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  CDA21154  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  JEPS13830  Salix lasiolepis Willis L. Jepson 1903-9-6 2342 Napa St. Helena; Napa River Basin, St. Helena Comment
  UC1356331  Salix lasiolepis Theodore J. Crovello 1964-3-14 384 Napa Trinity Road 8 mi e California Hwy. 12 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
  UCD111603  Salix lasiolepis Joseph M. DiTomaso 1976-4-9 382 Napa Next to Putah Creek at base of Monticello Dam, Lake Berryessa. (On the Yolo/Napa County line. Base of dam is Napa County but just downstream is Yolo County. This record originally said Yolo County). 3 Comment
  UCD144655  Salvia columbariae Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS62781  Salvia sonomensis W. L. Jepson 1897-5-2 14945 Napa sw of Calistoga (Rebecca Ranch grade, Napa Valley); Napa Valley Comment
  UCR220103  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  UCD137701  Sambucus nigra subsp. caerulea M. Wiesendanger 1926-4-1 1499 Napa exact location unknown. Comment
  CDA10907  Sanicula bipinnata G. F. Hrusa, M. Rejmanek 1993-5-15 11003 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS129017  Sanicula bipinnata Jake Ruygt 2016-5-7 6239 -X Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD18043  Sanicula bipinnata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 594 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
  UCD81468  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCD83722  Sanicula bipinnatifida Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 1 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 185 Comment
  UC658970  Sanicula bipinnatifida Mildred E. Mathias 1937-5-23 1280 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 Comment
  UC1022487  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X339 Napa about 9 mi e of Pope Valley (on the road to Monticello, along Pope Creek); Pope Creek Comment
  UCD127974  Sanicula crassicaulis K. Esau Date Unknown s.n. Napa near Monticello. Comment
  UCD149698  Sanicula crassicaulis Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD169889  Sanicula crassicaulis Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 729 Napa Knoxville Wildlife Area. 311 Comment
  UC658973  Sanicula crassicaulis Mildred E. Mathias 1937-5-23 1281 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 Comment
  JEPS104493  Sanicula tuberosa Jake Ruygt 1996-4-9 3564 Napa Wontrop Wildlife Sanctuary 213 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
  UC683304  Scirpus americanus Alan A. Beetle 1941-7-8 2852 Napa in outwash of geysers at Calistoga (farthest n station for this species); in outwash of geysers at Calistoga Comment
  JEPS121365  Scirpus cernuus Jake Ruygt 1986-7-23 1888 Napa East end of Marina Drive, Napa. Comment
  JEPS121373  Scirpus microcarpus Jake Ruygt 1984-6-2 1565 Napa Conn Dam Comment
  JEPS63957  Scirpus microcarpus Willis L. Jepson 1893-6-26 21218 Napa Howell Mt. Napa Range, , Napa River Basin (Napa River Basin) Comment
  CAS-BOT-BC240027  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  RSA170259  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UC1746021  Scribneria bolanderi Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2772 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD149679  Scribneria bolanderi 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
  UCD20500  Scutellaria californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1071 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
  UCD160790  Scutellaria siphocampyloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8670 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
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  CHSC83187  Selaginella wallacei James French 1969-2-15 Napa 7 miles NE of Napa on State Highway 121. Collected, then grown in UCD greenhouse. Comment
  UC2061491  Selaginella wallacei D. G. Kelch 2012-8-4 12 .253 Napa Above California Veteran's Home. Comment
  CDA33482  Senecio clevelandii Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  UCR80866  Senecio clevelandii G. Fred Hrusa 1993-10-3 11425 Napa 2.6 mi SW along Knoxville-Devilhead Rd. from Knoxvllle-Berryessa Rd. 488 Comment
  POM5756  Senecio eurycephalus C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  CAS-BOT-BC327422  Senecio flaccidus var. douglasii John Thomas Howell 1930-10-19 5607 Napa Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  UCD161781  Senecio hydrophilus Jake Ruygt 1999-6-8 4180 Napa Fagan Slough. 1 Comment
  JEPS106856  Senecio sylvaticus Jake Ruygt 1985-3-30 1581 Napa Deer Park Rd. at Crestmont Drive 441 Comment
  CAS-BOT-BC364214  Senecio sylvaticus Baker 1938-5-4 8972 Napa Levee at Cutting Wharf Comment
  CAS-BOT-BC364598  Senecio vulgaris John H. Thomas 1958-4-19 7118 A Napa About 2 miles SW of Oakville 152 Comment
  CAS-BOT-BC85776  Sequoia sempervirens Peter H. Raven 1951-6-26 3071 Napa Wooden Valley Grade 304 Comment
  JEPS122692  Sesuvium verrucosum Jake Ruygt 1991-10-23 2842 Napa Napa River, northeast of Slaughterhouse Point. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC240158  Setaria verticillata Peter H. Raven 1951-8-21 3879 Napa Lokoya 457 Comment
  UC189153  Sidalcea calycosa C. F. Sonne 1896-4-1 Napa Napa and Napa Junction Napa Junction; Napa, Napa Junction Comment
  JEPS50095  Sidalcea diploscypha W. L. Jepson 1938-5-22 18822 Napa Snell Valley Comment
  UC1198396  Sidalcea diploscypha Joseph P. Tracy 1938-6-5 15823 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, head Moore's Creek, Howell Mt. 365 Comment
  JEPS97957  Sidalcea diploscypha K. Andreasen 1998-6-27 273 Napa at crossing of road and Moore Creek just E of 4-H camp Las Posadas State Forest Comment
  UCD116608  Sidalcea diploscypha Richard Beaver 1965-5-1 147 Napa 4.5 miles north of Calistoga, State Highway 29. Comment
  RSA52655  Sidalcea hartwegii I. L. Wiggins 1949-4-30 12071 Napa Along old toll road between Calistoga and Clear Lake, about 15 miles NE of Calistoga Comment
  UC108903  Sidalcea hartwegii E. L. Greene Napa Napa Comment
  UCD167288  Sidalcea hartwegii Jake Ruygt 1982-4-18 1190 Napa Calistoga Grade on Mount St. Helena. 353 Comment
  JEPS122752  Sidalcea hickmanii subsp. napensis Jake Ruygt 2011-6-9 5800 Napa South side of Mt George, Palmaz Vineyards. Quad: Mt. George. Comment
  RSA292974  Sidalcea keckii Reino Alava 1957-5-30 993 Napa Near the end of State Highway no. 37, in the southern end of Capell Valley. Comment
Read comments
Jan 30 2008
  UCD160775  Sidalcea keckii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8655 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
  UCD170154  Sidalcea keckii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 784 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 429 Comment
  UCD116607  Sidalcea keckii John D. Atkin 1952-5-1 6 Napa on north slope of Portugese Canyon, about 1 mile up Putah Creek from Recreation Beach. Comment
  CAS-BOT-BC384451  Silene antirrhina Peter H. Raven 1951-6-26 3056 Napa Wooden Valley Grade 304 Comment
  JEPS51044  Silene antirrhina W. L. Jepson 1938-5-25 18864 Napa Bell Canyon Howell Mountain, Bell Canyon 579 Comment
  JEPS120392  Silene coniflora Jake Ruygt 2005-6-1 4882 Napa Knoxville Wildfire Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. Comment
  CDA7653  Silybum marianum T. C. Fuller 1957-12-17 Napa 3 miles west of Napa. 0 Comment
  JEPS59331  Silybum marianum W. L. Jepson 1936-6-2 17606 Napa banks Napa River (near bridge on road to Sanitarium, St. Helena); banks Napa River, St. Helena Comment
  CAS-BOT-BC75288  Sisymbrium officinale Elsa G. Ruckert 1960-4-3 65 Napa 6495 Dry Creek Road. West of house. 365 Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  UCD138849  Sisyrinchium bellum M. Wiesendanger 1927-5-4 685 Napa Near Monticello. Comment
  UCD18175  Sisyrinchium bellum Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD48732  Sisyrinchium bellum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 18 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, 1/4 mi. from jct with West Rd. 152 Comment
  UCD48738  Sisyrinchium bellum S. Murphy; K. Keck and K. Dyer 2002-5-5 17 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines, NE from intersection of West and East roads ca. 20 m. 328 Comment
  SEINET4171053  Sisyrinchium bellum Unknown 1963-4-27 Napa State Hwy 128, .5 mile S. of Lake Berryessa. 396 Comment
  UCD19865  Sisyrinchium bellum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1200 Napa Lower slopes of Mount St. Helena, view spot north of Calistoga, along Hwy 29. Comment
  UCD166658  Smilax californica Jake Ruygt 2001-10-17 4339 Napa 1.3 miles NE of Trancas Street on Napa River. 6 Comment
  NY759853  Solanum nigrum J. T. Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  UCD170147  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  UCD170148  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 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
  UCD148992  Solanum rostratum R. Breckenridge 2010-9-29 PDR 505910 4 Napa Lake Berryessa. 145 Comment
  UCD169858  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa About 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC156485  Solanum umbelliferum J. T. Howell 1931-4-3 6128 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range 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
  JEPS7819  Solanum umbelliferum Peter H. Raven 1952-5-31 4159 Napa on Rector Creek Rector Creek 121 Comment
  NY820561  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa In the Howell Mountains, 5 miles east of Napa, North Coast Ranges 457 Comment
  UC1280958  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa on summit of Howell Mountain Howell Mountain Comment
  UC614509  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa 5 mi e of Napa (e slope in the Howell Mountains); North Coast Ranges, Howell Mountains 457 Comment
  UCD149691  Solanum xanti 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
  CDA11826  Solidago californica G. F. Hrusa 1993-10-3 11424 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  OBI74554  Solidago elongata David J. Keil 1986-11-8 19790 Napa Along lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill Comment
  CAS-BOT-BC365095  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11626 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC365099  Solidago velutina subsp. californica L. R. Abrams 1916-7-2 5761 Napa Near St. Helena Sanitarium Comment
  UC1299293  Solidago velutina subsp. californica Freed W. Hoffman 1947-9-11 1383 Napa Butts Canyon , Butts Canyon (North Coast Ranges) Comment
  UCD161321  Solidago velutina subsp. californica Jake Ruygt 1979-7-21 764 Napa Napa County : 2.7 miles north of Howell Mountain Road on Pope Valley Road. (Coordinates estimated by label maker at UC Davis). 216 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
  UCD159465  Sonchus asper subsp. asper D. S. Park 2010-8-13 219 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  CAS-BOT-BC374655  Sonchus oleraceus Elsa G. Ruckert 1960-2-20 1 Napa 6495 Dry Creek Road. Field southwest of house 365 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
  JEPS106615  Spergula arvensis Jake Ruygt 1977-2-16 128 Napa Big Ranch Rd. at Trancas St., SW corner 13 Comment
  CAS-BOT-BC390058  Spergularia John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  CDA3446  Spergularia bocconi H. Stabo 1979-4-26 Napa Residence at 41 Magnolia, Calistoga. 0 Comment
  CAS-BOT-BC390245  Spergularia macrotheca var. leucantha A. A. Heller 1940-5-6 15589 Napa Just north of Calistoga along an east and west road Comment
  UCD161352  Spergularia marina Jake Ruygt 1987-5-17 2005 Napa John F. Kennedy Park, Napa. (Coordinates estimated by label maker at UC Davis). 1 Comment
  UCD149592  Spergularia rubra Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  JEPS62970  Stachys ajugoides Willis L. Jepson 1893-4-24 14985 Napa hills e St. Helena (to Conn Valley) 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
  UCD18106  Stachys albens K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 42 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
  RSA505701  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa Stream near Etna Springs. 366 Comment
  SEINET5735027 Image available Stachys rigida var. quercetorum J. A. Marinovich 1964-1 s.n. Napa Along Hwy 128 between Monticello Dam and hwy 37.; Monticello Dam 183 Comment
  JEPS112633  Stachys stricta Jake Ruygt 1986-5-29 1794 Napa Mt. George , west side 310 Comment
  CAS-BOT-BC386935  Stellaria media Peter H. Raven 1954-2-22 6393 Napa along streets, St. Helena 60 Comment
  UCD20023  Stellaria nitens C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1215 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  UC127179  Stephanomeria elata Harley P. Chandler Sep 7 1906-Sep 14 1906 7129 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CAS-BOT-BC375245  Stephanomeria elata Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS36824  Stephanomeria exigua subsp. coronaria Willis L. Jepson 1893-9-23 Napa Upper Napa Valley Napa River Basin Comment
  JEPS115765  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 133 Comment
  SD148000  Stephanomeria virgata subsp. pleurocarpa D. Sanchez-Mata, P. Rodriguez-Rojo 1996-10-19 Napa Knolxville-Berryessa Road; near Spanish Flat. 220 Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  JEPS122933  Stipa miliacea var. miliacea Jake Ruygt 1988-5-3 2173 Napa Pope Street at Napa River, St. Helena. Quad: Saint Helena. Comment
  CAS-BOT-BC61145  Streptanthus barbiger John Thomas Howell 1941-6-22 16323 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC61254  Streptanthus breweri Peter H. Raven 1952-5-26 4057 Napa 5 miles east Pope Valley P.O. on Monticello Road. 176 Comment
  JEPS129030  Streptanthus breweri Jake Ruygt 2015-6-13 6134 Napa Fernandes-Snell Peak, Land Trust. Aetna Spring 7.5' Quad. Comment
  UCD160670  Streptanthus breweri Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8743 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UCD167702  Streptanthus breweri W. Robert Powell 1977-4-16 2487 Napa Just east of Butts Canyon Road. 2.5 air miles from Aetna Springs. 4.0 air miles from town of Pope Valley. (Exact location unknown. Coordinates estimated by label maker.) 277 Comment
  UCD115961  Streptanthus breweri Arthur M. Shapiro 1979-5-14 s.n. Napa Butts Canyon, above Snell Valley Road. 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
  RSA132843  Streptanthus glandulosus John H. Thomas 1958-4-19 7116 Napa About 2 miles SW of Oakville. 152 Comment
  SFV8749  Streptanthus glandulosus P. Warner 1967-4-16 49 Napa North Coast Ranges Vaca Mountains. 0.7 miles above (west) of Monticello Dam, Lake Berryessa. 152 Comment
  UCD160668  Streptanthus glandulosus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8742 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  CAS-BOT-BC87153  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1940-5-19 15453 Napa Upper Saint Helena Creek. Comment
  CAS-BOT-BC87163  Streptanthus glandulosus subsp. glandulosus Alice Eastwood 1915-6-6 4685 Napa Mount Saint Helena. Comment
  JEPS129170  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2015-4-20 6075 Napa Fernandes/ Land Trust, Snell Peak area. Aetna Springs 7.5' Quad. Comment
  JEPS27088  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1893-5-2 13412 Napa New Pope Valley Grade from Calistoga; Napa River Basin Comment
  JEPS54003  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1894-5-1 13411 Napa ridge opposite mouth of Conn Valley; Napa River Basin Comment
  UC162826  Streptanthus glandulosus subsp. glandulosus Joseph P. Tracy 1902-5-16 1494 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC517969  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Pope Creek Canyon Napa Range Comment
  UCD18076  Streptanthus glandulosus subsp. glandulosus Ellen Dean; with Plant Biology 102 class 2000-4-22 632 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD161644  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2005-6-1 4894 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  CAS-BOT-BC87329  Streptanthus hesperidis Joseph P. Tracy 1905-7-6 2219 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 457 Comment
  JEPS129049  Streptanthus hesperidis Jake Ruygt 2016-6-6 6278 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  JEPS96908  Streptanthus hesperidis Dean W. Taylor 1998-6-18 16670 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UCD170467  Streptanthus hesperidis Daniel Potter; Ninh Khuu 2016-6-18 896 Napa Above upper Zim Zim Creek drainage east of Knoxville-Devihlead Road, just north and east of Knoxville Wildlife Area boundary. 557 Comment
  UCD74401  Streptanthus hesperidis Jake Ruygt 2003-6-21 4549 Napa About 0.9 mile SE of Knoxville site, west side of Berryessa-Knoxville Rd. 426 Comment
  UCD19329  Stuckenia pectinata M. A. Bibbo; E. Dean 2001-7-6 21 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline in water hole. 320 Comment
  UCD148766  Symphoricarpos albus var. laevigatus Jake Ruygt 1991-7-20 2786 Napa Napa County; Pope Creek at high water line of Lake Berryessa. 124 Comment
  JEPS40793  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  CDA31321  Taeniatherum caput-medusae D. G. Kelch 2010-5-6 10 .176 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD86121  Taeniatherum caput-medusae Beecher Crampton 1962-5-16 6436 Napa town of Pope Valley. Comment
  UCR261675  Tetrapteron graciliflorum Ann Howald 2003-4-19 2301 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  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
  UC9679  Thalictrum fendleri var. polycarpum Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Napa River Basin Comment
  JEPS55128  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa grade n Wooden Valley grade; Napa River Basin Comment
  UC1195653  Thelypodium brachycarpum J. Rattenbury Jun 1949 Napa just w Knoxville (on Lower Lake-Knoxville Road) Comment
  CDA12199  Thermopsis californica var. californica G. F. Hrusa 1989-4-29 6045 Napa North Coast Biodiversity Arena; Chiles Valley Rd., approx. 2 km N of junction of Hwy 128 and Chiles Valley Rd. Comment
  UC1222478  Thermopsis californica var. californica Joseph P. Tracy 1949-4-22 18285 Napa brushy hillside by reservoir; Conn Valley 91 Comment
  UC16393  Thermopsis californica var. californica Willis L. Jepson 1893-4-27 Napa Napa City Comment
  UCD159727  Thermopsis californica var. californica G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Redwoods. Comment
  POM20376  Thermopsis californica var. californica C. F. Baker 1902-5-8 3081 Napa Knoxville. Comment
  CAS-BOT-BC66500  Thysanocarpus curvipes Alice Eastwood 1918-5-2 6875 Napa Calistoga. Comment
  JEPS106590  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2882 Napa Tuteur Ranch, end of Green Valley Rd. 365 Comment
  RSA696362  Thysanocarpus curvipes Keith E. Hoffmaster 1946-3-23 1059 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC66502  Thysanocarpus curvipes Peter H. Raven 1953-4-2 5274 Napa Hill west of Tulucay Creek. 243 Comment
  CAS-BOT-BC66510  Thysanocarpus curvipes John H. Thomas 1968-4-4 14275 Napa About 2 miles east of Rutherfor along Highway 128. Comment
  CAS-BOT-BC66512  Thysanocarpus curvipes Lewis S. Rose 1935-4-18 35099 Napa Steel Canyon. Comment
  RSA0057573  Thysanocarpus curvipes David D. Keck 1931-4-2 1035 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  UC11005  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa Napa City; Napa River Basin, Napa City Comment
  UC11021  Thysanocarpus curvipes W. L. Jepson 1893-4-24 30 C Napa hills e St. Helena Comment
  JEPS129071  Thysanocarpus laciniatus Jake Ruygt 2016-4-5 6175 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  CAS-BOT-BC66949  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa Near Calistoga. 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
  CAS-BOT-BC67311  Thysanocarpus radians Peter H. Raven 1953-4-2 5244 Napa Hills south of Imola. 121 Comment
  JEPS106584  Thysanocarpus radians Jake Ruygt 1977-5-3 216 Napa 6.7 miles north of Monticello Rd. on Atlas Peak Rd. 438 Comment
  CAS-BOT-BC67307  Thysanocarpus radians Catherine Best 1983-4-28 s.n. Napa Southeast side of Atlas Peak Road about 6.5 miles from the intersection of Monticello Road. Comment
  UC1083160  Thysanocarpus radians A. E. Borell 1928-4-13 105 Napa six mi ne Calistoga Comment
  UC457173  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 mi s Monticello (eastern Napa County) Comment
  UCD170303  Tonella tenella Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 843 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 231 Comment
  UC903157  Tonella tenella Ethel Crum 1937-4-19 1788 Napa 10 mi s Monticello; Napa Range, Steel Canyon Comment
  SBBG322  Torreya californica C. H. Lamoureux, J. M. Tucker, R. Gankin 1957-4-11 1203 Napa St Hwy 29, 8 mi N of Calistoga Comment
  SEINET3073146 Image available Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD20035  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
  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
  JEPS63910  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19478 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63929  Toxicodendron diversilobum W. L. Jepson 1913-4-15 5314 Napa Howell Mt. 609 Comment
  UC869555  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Napa Calistoga Comment
  SEINET10879601  Toxicoscordion fremontii John T. Middleton 1936-3-21 Middleton 73 Napa Monticello, CA. Comment
  UCD147533  Toxicoscordion micranthum Ellen Dean; Diana Hickson 2014-4-29 8087 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD96203  Toxicoscordion micranthum Ellen Dean; with Clare Loughran 2011-5-20 7079 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCD83744  Tragopogon porrifolius Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5993 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 219 Comment
  JEPS112638  Trichostema laxum Jake Ruygt 1986-7-2 1854 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 448 Comment
  JEPS63150  Trichostema laxum Alice King Jul 1919 Napa Van Ness ranch, Mt. St. Helena Comment
  UCLA54888  Trichostema laxum John Thomas Howell 1927-8-24 3046 Napa near Pope Valley Creek below Walters Springs Napa Range Comment
  JEPS104711  Trichostema laxum John L. Morrison 1936-9-20 1940 Napa W of Knoxville (Knoxville Mines) Comment
  UCD166644  Trichostema oblongum Jake Ruygt 1989-6-17 2371 Napa Bear Valley. 630 Comment
  JEPS108657  Trichostema ruygtii Jake Ruygt 2004-9-4 4656 Napa Las Posadas State Experimental Forest 524 Comment
  CHSC25145  Trientalis latifolia J. E. Beitler 1970-4-19 27 Napa St. Helena. Locally abundant in area directly between York Creek and gate at road to Spring Mountain Conversion dam, on Spring Mountain Road. Comment
  RSA3289  Trifolium albopurpureum D. D. Keck 1931-4-2 1039 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  UCD35294  Trifolium albopurpureum Beecher Crampton 1955-4-7 2430 Napa 7.8 miles north of Monticello. Comment
  JEPS106689  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1980-4-13 833 Napa Snell Valley 237 Comment
  UC16497  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  JEPS117952  Trifolium alexandrinum Timothy H. Milliken with Michele Lee and Jake Ruygt Jun 14-17 2010 Napa plant found in two locations at Napa Co. Airport west of runway 18-36 in field alongside access road and on the west side of Lasco Road in line runway 9-24 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
  UC1197178  Trifolium bifidum var. bifidum J. P. Tracy 1899-6-13 396 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  CHSC83410  Trifolium bifidum var. decipiens L. P. Janeway; B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS129177  Trifolium bifidum var. decipiens Jake Ruygt 2015-4-25 6083 c Napa Missimer - Snell Valley Preserve. Yountville 7.5' Quad. Comment
  JEPS106830  Trifolium campestre Jake Ruygt 1996-5-13 3671 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 310 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
  UCD149693  Trifolium ciliolatum 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
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  UCD108523  Trifolium depauperatum var. truncatum P. B. Kennedy 1910-11-1 s.n. Napa Near St. Simeon, upper California. Comment
  UCD108528  Trifolium depauperatum var. truncatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCR146185  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa Inner North Coast Ranges, 12 miles east of Rutherford, along Hwy. 128 305 Comment
  SEINET3131839  Trifolium dichotomum L. S. Rose 1935-4-18 35100 Napa Steel Canyon 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
  JEPS106808  Trifolium fucatum Jake Ruygt 1993-4-12 3200 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  JEPS65865  Trifolium fucatum Willis L. Jepson 1893-4-24 13719 Napa e St. Helena (hills, to Conn Valley); Napa River Basin Comment
  UCD35289  Trifolium fucatum Beecher Crampton 1955-4-7 2435 Napa 7.8 miles north of Monticello. Comment
  JEPS106811  Trifolium glomeratum Jake Ruygt 1983-5-1 1449 b Napa Suscol Ridge east side of HWY 29 (221) 28 Comment
  JEPS106812  Trifolium glomeratum Jake Ruygt 1994-5-2 3367 Napa Kirkland Ranch, NE side of HWY 29 and 12 Comment
  CDA37354  Trifolium hirtum D. G. Kelch 2010-5-6 10 .171 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS106709  Trifolium hirtum Jake Ruygt 1982-4-29 1208 Napa Suscol Plain west of HWY 29 (221) 3 Comment
  JEPS129081  Trifolium hydrophilum Jake Ruygt 2016-4-18 6194 y Napa South end Meridian Road, Fairfield. Comment
  JEPS21829  Trifolium incarnatum Margaret Whitmore 1958-3-23 22 Napa 1 mi n Napa (on Atlas Peak Rd) 15 Comment
  UCD111441  Trifolium microcephalum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD48015  Trifolium microdon A. Laffin; S. Holck, and A. Randall 2002-4-13 8 Napa Yolo County, McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Springs to Rayhouse Rd.; due N of Soda Spring and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along S side of running stream where road travels east-west for a short distance. Ca. yds. From the N side of the road. 488 Comment
  UC1197498  Trifolium obtusiflorum Joseph P. Tracy 1902-5-15 1481 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  RSA313540  Trifolium obtusiflorum P. B. Kennedy 1929-5-23 10287 Napa Moore Creek, region of Mt. Howell, Napa Range. Comment
  UC160980  Trifolium oliganthum Joseph P. Tracy 1902-5-18 1540 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  UCD116971  Trifolium oliganthum Jillian Howard; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  POM18841  Trifolium oliganthum C. F. Baker 1903-4-20 2606 Napa Mt. St. Helena. Comment
  UCD83422  Trifolium oliganthum Jake Ruygt 1978-4-17 1431 Napa Red Hill, Mt. St. Helena. 670 Comment
  JEPS106810 Image available Trifolium striatum Jake Ruygt 1993-5-8 3254 Napa Mead Ranch in large meadow NW of horse track 486 Comment
  JEPS106831 Image available Trifolium striatum Glenn Clifton 1993-5-11 28157 Napa Suscol Creek, east side of Hwy 221. 48 Comment
  JEPS129145  Trifolium subterraneum Jake Ruygt 1978-4-30 283 Napa 0.1 mile south of Oak Knoll Avenue on Silverado Trail. Napa 7.5' Qua. 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
  UCD109408  Trifolium variegatum W. L. Jepson 1915-4-23 6235 Napa St. Helena, hills east. Comment
  UCD109431  Trifolium variegatum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  SEINET4206974  Trifolium variegatum Beecher Crampton 1962-5-8 6414 Napa 2 miles north of Calistoga, Myrtledale Hotsprings meadow.; 0 Comment
  UC1197559  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1634 Napa near Calistoga; Napa Valley 91 Comment
  UC16765  Trifolium variegatum var. variegatum Willis L. Jepson 1894-5-1 Napa Conn Valley Comment
  CDA10893  Trifolium willdenovii G. F. Hrusa, M. Rejmanek 1993-5-15 10988 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1197523  Trifolium willdenovii Joseph P. Tracy 1903-5-15 1848 Napa near Calistoga; Napa Valley 91 Comment
  UC424856  Trifolium willdenovii Milo S. Baker Apr 15 1929-Apr 26 1929 3566 a Napa near Calistoga (Geyser) Comment
  UCD109874  Trifolium willdenovii Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  UCD17969  Trifolium willdenovii Ellen Dean; Kate Mawdsley 2001-4-9 688 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD49034  Trifolium willdenovii A. Van Houtte; E. Leger and C. Hohn 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  JEPS4166  Trifolium willdenovii W. L. Jepson 1893-4-27 13681 Napa Yountville Comment
  JEPS4399  Trifolium willdenovii W. L. Jepson 1913-4-15 5304 Napa Howell Mountain, Napa Range Comment
  POM18840  Trifolium willdenovii C. F. Baker 1903-4-19 1989 Napa Calistoga. Comment
  RSA195304  Trifolium willdenovii Gilbert Muth 1967-4-16 643 Napa Snell Valley. 183 Comment
  UCD109855  Trifolium willdenovii G. F. Hrusa 1992-4-15 10381 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  UCD109880  Trifolium willdenovii R. L. Smith 1948-5-1 s.n. Napa east branch of Monticello Valley, 3 miles east of Samuel Springs. Comment
  UCD33569  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa Napa County, east slope of Wragg Canyon. Comment
  CAS-BOT-BC451905  Triglochin maritima John Thomas Howell 1932-10-8 10810 Napa At Cuttings Wharf on Napa River Comment
  UC504873  Trillium albidum R. M. Holman 1933-4-12 Napa near Mt. Veeder Mt. Veeder Comment
  CAS-BOT-BC520829  Trillium albidum Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC1364377  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 573 Napa just s.w. Calistoga (0.6 mi. w. of CA Hwy. 29, near Diamond Mt. Creek below Diamond Mt. Rd.) Comment
  CLARK-A1703-1  Trillium sessile subsp. giganteum D. V. Hemphill 1935-3-15 Napa Howell Mountain Comment
  UC917148  Triphysaria eriantha subsp. eriantha D. C. Finfrock 1950-4-6 22 Napa Mountain meadow 3 mi from Pope Valley (1/4 mi from Monticello, in Pope Valley) Comment
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w Napa Comment
  UC673458  Triphysaria pusilla A. E. Borell 1928-4-13 131 Napa ten mi se Petaluma Comment
  JEPS10431  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley; Napa Range, Conn Valley 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
  JEPS10433  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1937-5-15 18781 Napa (Field 1/2 mi n) Napa Wye; Napa Wye (field 1/2 mi n) Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  UC1334896  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-4-13 647 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  CAS-BOT-BC199578  Trisetum canescens Peter H. Raven 1952-5-31 4156 Napa Rector Dam 152 Comment
  UCD93501  Trisetum canescens Beecher Crampton 1956-5-25 3455 Napa Head of Markley Canyon. Vaca Mtns. Comment
  JEPS64201  Triteleia hyacinthina W. L. Jepson 1938-5-25 18871 Napa about 4 or 5 mi n Yount School (opposite Rutherford, e side of Napa Valley); Napa Valley Comment
  JEPS64207  Triteleia hyacinthina Elizabeth Ferguson 1920-5-15 347 Napa e Howell Mountain (Pope Creek); e of Howell Mountain, Pope Creek Comment
  UCD139378  Triteleia laxa J. Buck 1996-6-2 26 Napa along Highway 128 at intersection of Berryessa Knoxville Road. 48 Comment
  UCD68005  Triteleia laxa Bill Wengeler 1995-4-16 s.n. Napa long Knoxville Road, approximately 4 miles North of Highway 128. 177 Comment
  UCR196219  Triteleia laxa E. Anderson, L. Lina, A. Miles, J. Waggoner, R. Wenk 2000-4-22 24 Napa UC McLaughlin Reserve, south of old town Knoxville, north of Knoxville-Berryessa Road, west side of dirt road 402 Comment
  JEPS58039  Triteleia laxa W. L. Jepson 1923-6-3 9978 Napa e of Yountville Comment
  RSA378085  Triteleia peduncularis Robert Gustafson, Don Reynolds 1983-6-7 2739 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UCD167447  Triteleia peduncularis James A. Neilson Jr. 1979-5-25 3972 Napa 1/4 mi south old Knoxville store. (Neilson's notebook says 200 yards south of Knoxville Store, while notes on specimen say 1/4 mile south of old Knoxville store. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD63053  Triteleia peduncularis Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  CAS-BOT-BC91199  Umbellularia californica Peter H. Raven 1954-1-22 6384 Napa Sulfur Springs Canyon just north of the resort. 182 Comment
  UCD49172  Umbellularia californica Kook-Hyun Chung; C. Ineich, J. Deusterman, and M. Hauselt 2001-4-28 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd., 1 m S of road. 256 Comment
  UCD118544  Uropappus lindleyi Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  UCD32573  Uropappus lindleyi Beecher Crampton 1954-5-20 1927 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD39036  Uropappus lindleyi Beecher Crampton 1962-5-16 6440 Napa 0.25 mile northwest of the junction of State Hwy. 128 and Spanish-Flat Lake Berryessa Road. Comment
  UCD63169  Uropappus lindleyi Jake Ruygt 1979-4-6 482 Napa 0.3 miles east of Butts Canyon Rd. on Snell Valley Rd. 207 Comment
  JEPS35682  Uropappus lindleyi W. L. Jepson 1936-5-31 17574 Napa between Toland House and Angwin (La Jota Plateau, Napa Range); Napa Range, La Jota Plateau Comment
  JEPS43438 Image available Urtica dioica subsp. holosericea Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin Comment
  CAS-BOT-BC404189  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1617 Napa Anguin Meadows just west of shopping center Comment
  CAS-BOT-BC526977  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1615 Napa About 100 yds E of bridge, a junction of Petrified Forest Road and Hwy 128, 1 mi N of Calistoga Comment
  CDA11154  Vaccinium ovatum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11565 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. above Sarco Creek. Comment