Search Results — 2000 specimen records retrieved (1419 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
  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
  CAS-BOT-BC28691  Achillea millefolium P. H. Raven 1952-5-31 4135 Napa Summit of hills SW of Rector Canyon 304 Comment
  UC1301056  Achillea millefolium Helen K. Sharsmith 1963-4-20 5341 Napa s slopes, among volcanic rocks in oak-woodland Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD128288  Achillea millefolium Richard Beaver 1965-5-1 150 Napa on slope with northeast exposure; 10 miles north of junction of Highway 121 and Highway 128. 182 Comment
  UCD128301  Achillea millefolium Alan P. Godlewski 1974-5-3 26 Napa Lake Berryessa. Comment
  SEINET11687430  Achnatherum lemmonii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -300 Napa Robert Lewis Stevenson State Park, trailhead on CA 29 near St. Helena Creek 750 Comment
  POM41565  Achyrachaena mollis Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD48568  Achyrachaena mollis Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 14 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. 213 Comment
  JEPS17376  Achyrachaena mollis Rimo Bacigalupi with John Dawson 1955-4-25 4847 Napa near junct with Calif No 128 Lower Lake Rd; Monticello Valley 94 Comment
  UCD128388  Achyrachaena mollis H. E. Cott 1949-5-8 A 111 Napa State Highway 37, ca. 10 miles south of junction with State Highway 128. Comment
  UCD103787  Acmispon americanus var. americanus K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  UCD170214  Acmispon brachycarpus Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 743 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 357 Comment
  UCD170661  Acmispon brachycarpus 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. 139 Comment
  UCD47971  Acmispon brachycarpus A. Ryan; S. Burgess, A. Hufton, J. Pierner, B. Takahashi 2000-4-29 17 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  UCD104080  Acmispon brachycarpus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD117462  Acmispon parviflorus Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD149694  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  CHSC27761  Acmispon wrangelianus Ethel Pearson 1978-3-24 2 Napa Ca. 2.8 mi w of junction of State Hwy 128 and Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  UCD35290  Acmispon wrangelianus Beecher Crampton 1955-4-7 2434 Napa Napa County; 7.8 miles north of Monticello. Comment
  CAS-BOT-BC133132  Adenostoma fasciculatum John H. Thomas 1955-5-21 5108 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  HSC45350  Adenostoma fasciculatum R. York 1978-4-8 116 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD18631  Adenostoma fasciculatum Roman Gankin 1957-5-30 228 Napa 5.1 miles W of Monticello Dam, just off of highway on top of hill. Comment
  UCR246507  Adenostoma fasciculatum Richard C. Schulhof 1984-5-5 014 Napa 7.6 mi north of Pleasant Valley Road on Mix Canyon Road 762 Comment
  SBBG14316  Adenostoma fasciculatum var. fasciculatum L. B. Hendrix 1962-5-5 42 Napa S end of Lake Berryessa Comment
  UCD164818  Adiantum aleuticum Jake Ruygt 2013-5-18 5907 Napa Las Posadas State Forest. 367 Comment
  UCD137059  Adiantum aleuticum G. F. Hrusa; G. L. Stebbins 1994-3-11 11591 Napa Las Posadas State Forest, Morre Creek. 400 Comment
  CAS-BOT-BC65668  Adiantum jordanii John H. Thomas 1955-5-21 5149 Napa Along State Highway No. 128, about 4.5 miles south of Monticello 167 Comment
  UCD48355  Adiantum jordanii Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 20 Napa Quail Ridge Reserve, southeast corner of Lake Berryessa, just west of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just south of junction with Cut Off Rd., near creek bed. 167 Comment
  CAS-BOT-BC65665  Adiantum jordanii Evalina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  RSA10646  Adiantum jordanii C. B. Wolf 1928-5-3 1843 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UC199989  Adiantum jordanii C. F. Sonne April, 1895 Napa Soda Springs Comment
  UCSB8225  Adiantum jordanii Keator, Glenn 1959-3-28 Napa Conn's picnic grounds near Lake Hennessy, Napa range Comment
  UCD164733  Agastache urticifolia Jake Ruygt 2014-6-9 5992 Napa Livermore Ranch, Cub Valley. 657 Comment
  CAS-BOT-BC22751  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  JEPS104519  Agoseris heterophylla Jake Ruygt 1978-5-21 330 Napa 4.5 NE of Sage Canyon Rd. on Chiles-Pope Valley Rd. 259 Comment
  UCD121182  Agoseris heterophylla Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7360 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 405 Comment
  CAS-BOT-BC22755  Agoseris heterophylla J. T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  UC164850  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-14 1439 Napa 3-4 mi e, (head of Moore's Creek) Angwin's; Howell Mountain, Moore's Creek 365 Comment
  SEINET238873  Agrostis diegoensis Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains above Wooden Valley. 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
  UCD39091  Agrostis exarata Beecher Crampton 1963-9-25 6905 Napa State Hwy. 37, west slope of Howell Mtns. east of Napa. Comment
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. Comment
  JEPS129052  Agrostis exarata var. monolepis Jake Ruygt 2016-7-2 6288 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  CAS-BOT-BC138822  Agrostis microphylla Alan A. Beetle 1946-5-7 4257 Napa 2 miles north of Calistoga at Myrtledale Hot Springs. Comment
  SEINET238872  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County 2 miles north of Calistoga Myrtledale Hot Springs. Comment
  UC1059033  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa 2 mi n Calistoga; meadow from waters supplied by 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
  UCD53041  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UC1103527  Agrostis pallens J. P. Tracy 1899-6-26 350 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 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
  JEPS123026  Aira elegans Jake Ruygt 1982-4-29 1214 Napa Suscol plain east of Kaiser Steel, west of Highway 29 (221). Quad: Napa. Comment
  CAS-BOT-BC445424  Alisma triviale James L. Reveal 1987-6-7 6410 Napa Along California Highway 128 northeast of Rutherford, along Corn Creek, about 1 mile south of Trail Silverado, about 4 airline miles southeast southeast of St. Helena 76 Comment
  CAS-BOT-BC461087  Allium amplectens Alice Eastwood 1915-6-6 4607 Napa Mount Saint Helena Comment
  CAS-BOT-BC461092  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  UCD161509  Allium bolanderi var. bolanderi Jake Ruygt 1989-5-20 2330 Napa Monticello Road at Circle Oaks. 304 Comment
  JEPS110939  Allium cratericola Jake Ruygt 1979-4-14 515 Napa Oat Hill Mine Road, Twin Peaks 694 Comment
  HSC2942  Allium falcifolium Greg Bos 1963-3-24 47 Napa NW end of Lake Berryessa, at Putah Creek 457 Comment
  JEPS47555  Allium falcifolium W. L. Jepson 1938-5-22 18816 Napa Limekiln Canyon Pope Valleym, Limekiln Canyon Comment
  UC1133798  Allium falcifolium B. O. Schreiber 1938-4-24 2504 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  UC3081  Allium falcifolium Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Comment
  UCD48254  Allium falcifolium K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 4 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 545 Comment
  CAS-BOT-BC469025  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  RSA22699  Allium falcifolium J. Morrison, Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  JEPS110937  Allium fimbriatum var. purdyi Jake Ruygt 2003-5-5 4514 Napa Knoxsvill Wildlife Area, S of old Knoxville site 426 Comment
  UCD148830  Allium serra Ellen Dean; Diana Hickson 2014-4-29 8135 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  JEPS110935  Allium serra Jake Ruygt 1998-5-2 3955 Napa Landucci Ranch 268 Comment
  SEINET5010498  Allocarya stricta Unknown 1892-1 Napa Comment
  JEPS120324  Allophyllum divaricatum Jake Ruygt 1989-4-22 2271 a Napa East of Highway 121 on Highway 128. Capell Valley 7.5' Quad. Comment
  JEPS101646  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16700 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  CAS-BOT-BC453437  Allotropa virgata Mrs. Merrel Ackley 1960-5-19 s.n. Napa Howell Mt. Comment
  UCD110018  Alnus rhombifolia C. R. Kovaic 1969-5-3 31 Napa Along Chiles Creek near roadside; on Chiles Pope Valley Road, 2 miles northwest of junction with Lower Chiles Valley Road. Comment
  CHSC103021  Amaranthus blitoides Lowell Ahart 2009-10-12 16469 Napa Along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC136740  Amelanchier utahensis Clara A. Hunt 1923-1-1 s.n. Napa Near St. Helena Comment
  CAS-BOT-BC136745  Amelanchier utahensis John Thomas Howell 1940-5-19 15446 Napa Upper St. Helena Creek Comment
  JEPS120341  Ammannia robusta Jake Ruygt 2005-10-30 4954 Napa Napa River about 100 yards north of the Pope Street bridge. Saint Helena 7.5' Quad. Comment
  UC659018  Ammi majus Mildred E. Mathias 1937-7-23 1316 Napa roadside n. of Vallejo on rd. to Napa Comment
  UCD127162  Ammi majus R. Tofsrud Date unknown s.n. Napa location unknown. Comment
  UCD127163  Ammi majus R. Tofsrud; J. M. Tucker 1948-7-14 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  JEPS107261  Amorpha californica var. napensis Jake Ruygt 1976-5-18 91 Napa 5.2 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments
Aug 15 2010
  JEPS123020  Ampelodesmos mauritanicus Jake Ruygt 1993-11-29 3293 Napa Approximate 2.5 miles NE of Silverado Trail on Lawly Toll Road. Quad: Detert Reservoir. Comment
  UCD56008  Ampelodesmos mauritanicus R. Tofsrud 1941-5-1 s.n. Napa Mt. St. Helena. Comment
  UCR116170  Ampelodesmos mauritanicus G. Fred Hrusa 2000-7-26 15683 Napa North Coast, Old Toll House Road at SW base of Mt St. Helena, c. 0.5 mi north of Hwy 29. Slope above Garnet Creek 400 Comment
  UCD47937  Amsinckia intermedia Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 11 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCR227357  Amsinckia intermedia Jake Ruygt 2007-5-21 5127 Napa Jameson Canyon Road, west side of Fagan Creek 61 Comment
  UC1094053  Amsinckia intermedia Francia Chisaki 1954-4-15 594 Napa 12.7 mi n of its cut-off from Highway #29 (on Silverado Trail); Silverado Trail Comment
  UCD75845  Amsinckia intermedia Jake Ruygt 2007-5-21 5127 Napa Jameson Canyon Rd., west side of Fagan Creek. 60 Comment
  UCD170158  Amsinckia menziesii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 780 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 445 Comment
  UCD170186  Amsinckia menziesii Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 771 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  JEPS20862  Amsinckia menziesii var. menziesii W. L. Jepson 1896-6-2 21079 Napa St. Helena Comment
  UCD170191  Amsinckia retrorsa Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 766 Napa Knoxville Wildlife Area, along Zim Zim Falls trail 381 Comment
  UCD160336  Anagallis arvensis Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  UCD48077  Anagallis arvensis Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 29 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 640 Comment
  UCD49110  Anagallis arvensis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 20 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on slope N of North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  CAS-BOT-BC64142  Ancistrocarphus filagineus John H. Thomas 1955-5-21 5171 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  HSC81866  Ancistrocarphus filagineus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5142 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS110887  Anemone oregana Jake Ruygt 1997-5-13 3851 Napa Monticello Road at north entrance to Leoma Lakes 385 Comment
  JEPS16005  Angelica californica E. L. Greene 1883-1 Napa Calistoga Comment
  UCD143048  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UCD148848  Angelica californica Ellen Dean; Diana Hickson 2014-4-29 8151 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 480 Comment
  JEPS14087  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UC106458  Angelica tomentosa T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  JEPS15909 Image available Angelica tomentosa Willis L. Jepson 1895-8-30 13484 Napa Napa River Basin, Upper Napa Valley; ; Near Calistoga, Upper Napa Valley Comment
  CAS-BOT-BC273161  Anisocarpus madioides Carl B. Wolf 1928-5-3 1807 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS106552  Anisocarpus madioides Jake Ruygt 1976-5-14 73 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  UCD129050  Anthemis cotula Kamala Crompton 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD36376  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa Napa County, 8 miles south of Middletown, small meadow along Highway 53. Comment
  UCD127197  Anthriscus caucalis Joseph M. DiTomaso 1976-4-10 412 Napa on Highway 128, 4 miles west of Monticello Dam at Lake Berryessa. Comment
  JEPS112547  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1989-6-3 2362 b Napa about 1 mile south of Monticello dam on Vaca Mtns. 402 Comment
  CAS-BOT-BC237919  Antirrhinum virga T. S. Brandegee 1883-8-1 s.n. Napa Hills near Calistoga Comment
  UC147871  Antirrhinum virga J. P. Tracy 1899-6-18 368 Napa 3-4 mi e Angwin's (La Jota Plateau, Head of Moore's Creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC26386  Antirrhinum virga Willis L. Jepson 1893-9-23 Napa Mt. St. Helena; Napa River Basin Comment
  UC623309  Apocynum androsaemifolium H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  JEPS104487  Apocynum cannabinum Jake Ruygt 1979-6-30 729 Napa .3 miles north of Darms Lane on Solano Avenue 27 Comment
  UCR44910  Aquilegia eximia L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  JEPS110885  Aquilegia formosa Jake Ruygt 1976-5-14 80 Napa 2.5 miles west of Mt. Veeder Rd. on Redwood Rd. 237 Comment
  UC1125888  Aquilegia formosa B. Schreiber 1936-5-3 2203 Napa 1.2 mi w Calistoga; Calistoga quad 152 Comment
  JEPS83480  Arabis oregana Jake Ruygt 1986-3-29 1675 Napa Hunting Creek, in Knoxville area Knoxville Comment
  JEPS40072  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  JEPS40073  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  JEPS66577  Arbutus menziesii W. L. Jepson 1937-4-10 18001 Napa Howell Mountain, Adam and Eve Ridge Adam and Eve Ridge; Howell Mountain, Adam and Eve Ridge Comment
  CDA37815  Arctium lappa S. Longo/J. Chang 2012-6-26 PDR# 280 P06089864 Napa Napa; 3200 Soda Canyon Road, near Loma Vista Dr. 0 Comment
  SEINET11984892  Arctostaphylos Unknown 1966-1 680 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  HSC7610  Arctostaphylos canescens C. B. Wolf 1928-2-25 1503 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  JEPS38625  Arctostaphylos canescens Willis L. Jepson 1893-9-23 14701 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  LA42154  Arctostaphylos canescens Joseph Andorfer Ewan; 1937-5-23 10335 Napa Mount Saint Helena, Summit trail Comment
  CAS-BOT-BC23958  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit of Mt. St. Helena Comment
  CAS-BOT-BC23990  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12268 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC23992  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa On saddle about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  CAS-BOT-BC24016  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-7-13 5362 Napa Crater Country Comment
  CAS-BOT-BC24019  Arctostaphylos canescens subsp. canescens Lester Rowntree 1937-7-9 s.n. Napa Monticello Road Comment
  CAS-BOT-BC24024  Arctostaphylos canescens subsp. canescens Lester Rowntree 1931-2-1 s.n. Napa Monticello Road 7 miles east of Napa Comment
  CDA11150  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11561 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  RSA193978  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4563 Napa Crater Country' near Mt. St. Helena. Comment
  SBBG5402  Arctostaphylos canescens subsp. canescens H. and M. Dearing 1939-5-9 3292 Napa Mt Saint Helena Comment
  UC674755  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena Comment
  UCD148753  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5497 Napa Napa County; Archer Taylor Preserve, south of Bismark Knob. 704 Comment
  CAS-BOT-BC23623  Arctostaphylos crustacea Lewis S. Rose 1937-4-4 37017 Napa Wooden Valley Grade, 8 mi. NE of Napa 274 Comment
  CAS-BOT-BC24864  Arctostaphylos glandulosa subsp. cushingiana Carl B. Wolf 1928-5-4 1861 Napa Upper slopes of Mt. St. Helena Comment
  CAS-BOT-BC24867  Arctostaphylos glandulosa subsp. cushingiana Peter H. Raven 1952-8-27 5156 Napa Fire trail below Lokoya. 396 Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  CAS-BOT-BC23103  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-7-13 5353 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC23146  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1922-5-5 11297 Napa Mt. St. Helena Comment
  CAS-BOT-BC23149  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1918-9-3 7941 Napa Mt. St. Helena Comment
  UC1120193  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1936-9-20 710 Napa Mt. St. Helena Calistoga Quadrangle Comment
  UCD51108  Arctostaphylos glandulosa var. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. SW of Angwin. 243 Comment
  LA42186  Arctostaphylos manzanita C. B. Wolf; 1928-5-4 1861 Napa Mt St Helena Comment
  RSA734316  Arctostaphylos manzanita C. B. Wolf 1928-5-4 1861 Napa Upper slopes of Mount St. Helena. Comment
  UCD52040  Arctostaphylos manzanita Heidi E. M. Dobson 1978-4-8 315 Napa East slope of Mt. Veeder. Comment
  UCSB32987  Arctostaphylos manzanita Haller, John 1979-5-4 Napa Mead Ranch; near Atlas Peak Road; about 5 miles (by road) north of State Highway 121; 9 miles north of Napa 487 Comment
  CAS-BOT-BC24281  Arctostaphylos manzanita subsp. manzanita Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house rd. Mt St. Helena on Calistoga side. Comment
  CAS-BOT-BC24285  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1928-3-24 2861 Napa Grade in old road to lake Co. above Calistoga. Comment
  CAS-BOT-BC38758  Arctostaphylos manzanita subsp. manzanita C. C. Parry 1888-2-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC38774  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade 2 miles below hawkins Mountain Camp. Comment
  JEPS122806  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5102 Napa Wild Horse Valley Road about .2 mile from east end. QUAD: Mount George Comment
  JEPS79561  Arctostaphylos manzanita subsp. manzanita Edward Lee with Annetta Carter 1935-12-1 1670 Napa s side of road road from Napa to Wooden Valley (on land of F. Gaggero); Howell Mts., Sarco Creek Comment
  UCD47968  Arctostaphylos manzanita subsp. manzanita S. Burgess; A. Hufton, J. Pierner, A. Ryan, B. Takahashi 2000-4-29 26 Napa Yolo Co/Napa Co line; McLaughlin Reserve, southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  CAS-BOT-BC43840  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11088 Napa Calistoga Comment
  CAS-BOT-BC43842  Arctostaphylos stanfordiana Mrs. E. C. Sutliffe 1921-2-12 s.n. Napa Calistoga Comment
  LA42285  Arctostaphylos stanfordiana Lewis S. Rose; 1939-4-16 39071 Napa 4 mi. NE of Napa 198 Comment
  UC421586  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa along trail to summit Mt. St. Helena Comment
  UC763114  Arctostaphylos stanfordiana R. F. Hoover 1941-4-27 4948 Napa e side Mt. St. Helena Comment
  RSA15667  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA52686  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1949-4-30 12084 Napa On saddle bout 1.5 mi. from summit of Mt. St. Helena. Comment
  SBBG33933  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  JEPS106411  Arctostaphylos tomentosa subsp. crustacea Jake Ruygt 1992-3-10 2850 a Napa Wild Horse Valley Ranch, south of Johnson's Meadow 499 Comment
  UCD52447  Arctostaphylos viscida Roman Gankin 1966-2-26 681 Napa Next to roadway at gate; property west of Macdonald Ranch, Las Posadas State Forest, Napa County, California. Comment
  JEPS106408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1996-2-24 3518 Napa NE of Big Basin, along Pocock Creek Rd. 426 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
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Sep 27 2012
  CAS-BOT-BC361309  Aristolochia californica Richard R. Halse 2013-3-27 8755 Napa Along State Hwy 128 ca. 5.3 miles E of its junction with State Hwy 121 at Moskowite Corners. 239 Comment
  POM279325  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
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Sep 12 2013
  UCD48562  Aristolochia californica Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, beside Decker Bay Trail. 152 Comment
  UCSC000193  Aristolochia californica Carl Meyer 1925-3-31 s.n. Napa Calistoga 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
  JEPS37057  Artemisia douglasiana W. L. Jepson 1939-9-12 19483 Napa w of St. Helena; Spring Mountain Comment
  UCD169615  Asclepias cordifolia Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  JEPS104556  Asclepias eriocarpa Jake Ruygt 1979-6-18 707 Napa .3 miles east of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  JEPS49852  Asclepias eriocarpa W. L. Jepson 1897-7-12 14536 Napa near Samuel's Springs; Pope Creek Comment
  UC1299582  Asclepias solanoana Freed W. Hoffman 1949-6-4 3215 Napa Oat Hill Mine road North Coast Ranges (northern Napa County) Comment
  UCD137319  Aspidotis densa R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  CAS-BOT-BC180462  Astragalus breweri Peter H. Raven 1950-5-6 2022 Napa Sulphur Flats & hot springs near Old Faithful Geyser, N. of Calistoga 182 Comment
  RSA739594  Astragalus breweri John Dittes 2003-4-5 2003 -13 Napa Inner N Coast Range, Napa Valley, 1.8 air miles NNW of Calistoga City Hall, 1 air mile NW of confluence of Napa River and Grnett Creek. 123 Comment
  HSC103541  Astragalus breweri Thomas W. Nelson, Jane Nelson 1981-4-14 6391 Napa Junction of Morgan Valley and Devil's Head Roads. 457 Comment
  RSA424722  Astragalus claranus Aaron Liston, M. Blumler, B. Grummer 1987-4-25 660 -1 Napa Napa Valley State Park. Comment
  RSA90752  Astragalus claranus J. T. Howell 1931-4-19 6442 Napa Conn Valley. 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
  UC1142426  Astragalus clevelandii H. D. Ripley and R. C. Barneby 1945-6-21 6935 Napa 3 mi n Aetna Springs (sandy banks along a stream); n of Aetna Springs 198 Comment
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Aug 16 2013
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon Comment
  SEINET898796  Astragalus didymocarpus Frank W. Gould 1938-1 98 Napa One mile north-west of Yountville. 152 Comment
  CDA11592  Astragalus gambelianus G. F. Hrusa, S. Larson 1995-4-1 12058 Napa North Coast Biodiversity Arena; Approx. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  JEPS54652  Astragalus gambelianus Willis L. Jepson 1893-5-2 13753 Napa Pope Valley grade from Calistoga (Napa River Basin); , Pope Valley grade from Calistoga Comment
  UCD144414  Astragalus gambelianus G. F. Hrusa; S. Larson 1995-4-10 12058 Napa Approximately 1 m. below bridge over Pope Creek, on Pope Canyon Road. 175 Comment
  CAS-BOT-BC178293  Astragalus gambelianus H. D. Ripley; R. C. Barneby 1954-4-30 11230 Napa Conn Valley near the slip way. 91 Comment
  CAS-BOT-BC27754  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  RSA121722  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UCD164869  Astragalus rattanii var. jepsonianus Jake Ruygt 2012-11-3 5888 Napa Barton Hill, northwest shore of Lake Berryessa. 128 Comment
  UC1198295  Athysanus pusillus Joseph P. Tracy 1902-5-15 1461 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
  SEINET10565955  Avena Ana Maria Planchuelo 1980-1 Planchuelo 509 Napa No other info available. Comment
  SACT000360  Avena barbata John Willoughby 1977-4-20 Napa near latitude of Mount Vaca, along road leading to property of M Toponce. 609.6 Comment
  UCD20429  Avena barbata E. Dean; w/ PLB 102 class 2002-5-4 1017 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  UCD18078  Avena fatua Ellen Dean; with PLB 102 class 2000-4-22 634 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD161326  Baccharis pilularis Jake Ruygt 1979-12-16 799 Napa Napa County : Circle Oaks. (Coordinates estimated by label maker at UC Davis). 615 Comment
  CAS-BOT-BC16524  Barbarea orthoceras Milo S. Baker 1926-4-10 204 Napa The Crater - 3 miles south of Saint Helena Inn. Comment
  CAS-BOT-BC16527  Barbarea orthoceras David D. Keck 1931-4-2 1015 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa. 170 Comment
  CDA11618  Barbarea orthoceras G. F. Hrusa, G. L. Stebbins 1994-3-11 11601 Napa North Coast Biodiversity Arena; Ink Grade, approx. 2 m. NE of Angwin. Comment
  UCD48671  Barbarea orthoceras Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd, N of its jct with S. Decker Canyon Rd. at the end of EW bend. 188 Comment
  UCD56781  Beckmannia syzigachne H. J. Baade 1942-6-12 s.n. Napa Napa Co. Comment
  RSA195297  Bellardia trixago Gilbert Muth 1967-5-17 676 Napa Oat Hill Road, Calistoga. 256 Comment
  UC118106  Berberis pinnata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  JEPS115690  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  CAS-BOT-BC15944  Boechera breweri subsp. breweri Peter H. Raven 1951-6-10 2946 Napa Near Calistoga Palisades. 792 Comment
  JEPS110704  Boisduvalia glabella Jake Ruygt 1981-7-31 1084 Napa Soscol Plain 4 Comment
  JEPS110697  Boisduvalia stricta Jake Ruygt 1983-6-5 1486 Napa Oak Shores Park, Lake Berryessa 137 Comment
  JEPS110699  Boisduvalia stricta Jake Ruygt 1982-5-26 1300 Napa Craters region near Robert Louis Steve. Sate Park 762 Comment
  POM230569  Boisduvalia stricta J. T. Howell 1937-7-4 13059 Napa Wooden Valley Grade Comment
  CAS-BOT-BC28215  Bolboschoenus fluviatilis Martin Simon Jussel 1935-8-10 s.n. Napa St. Helena Comment
  JEPS106778  Brassica nigra Jake Ruygt 1996-6-24 3760 Napa Jamieson Vineyards, Jameson Canyon. 79 Comment
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  RSA793  Brickellia californica J. T. Howell 1927-8-24 687 Napa Pope Valley Creek near Samuel's Springs Comment
  RSA10684  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1158114  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jota Plateau Northern Coast Ranges, Howeel Mountain (3-4 mi e of Angwin's, on hills at head of Moore's Creek) 518 Comment
  CAS-BOT-BC482166  Brodiaea appendiculata W. L. Jepson 1923-6-3 9981 Napa A little swale in the Napa Valley, not far from the mouth of Conn Creek Comment
  UCSB803  Brodiaea coronaria Keator, Glenn 1958-6-16 Napa Near Lake Hennessy, Napa Range Comment
  CAS-BOT-BC484200  Brodiaea elegans var. elegans Belle Richardson Jackson 1930-6-8 s.n. Napa On old toll road below Patten's Mt. St. Helena region Comment
  UCD148734  Brodiaea leptandra Jake Ruygt 1979-7-28 757 Napa Napa County; 0.9 mile east of Cold Springs Rd. on Los Posados Rd. 521 Comment
  UCD77156  Brodiaea leptandra Robert E. Preston 2002-6-17 1820 Napa Ca. 1.6 mi sw of Pope Valley, along Ink Grade, 0.36 mi n of its jct with Howell Mtn Rd. 518 Comment
  JEPS122767  Brodiaea terrestris subsp. terrestris Jake Ruygt 2005-5-16 4851 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. Comment
  UCD18146  Bromus arenarius Jean Shepard; with PLB 102 class 2000-4-29 201 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD95684  Bromus arizonicus Ellen Dean; with Clare Loughran 2011-5-20 7029 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  RSA653986  Bromus carinatus Beecher Crampton 1956-5-25 3457 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UCD148836  Bromus carinatus Ellen Dean; Diana Hickson 2014-4-29 8141 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 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
  JEPS123001  Bromus catharticus var. elatus Jake Ruygt 1995-4-8 3417 Napa Silverado Trail at Souza Lane, Napa. Quad: Napa. Comment
  CAS-BOT-BC155073  Bromus hordeaceus Ira L. Wiggins 1928-3-25 2871 Napa Roadside 1.5 mile northeast of Calistoga. Comment
  JEPS76097  Bromus hordeaceus W. L. Jepson 1938-5-25 18870 Napa Napa Range, Howell Mountain, Bell Canyon Bell Canyon; Napa Range, Howell Mountain, Bell Canyon 579 Comment
  UCD159943  Bromus hordeaceus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD58629  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3542 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS75999  Bromus japonicus W. L. Jepson 1936-6-1 17591 Napa w side of Four Corners (Howell Mt.); Howell Mountain, Four Corners Comment
  CAS-BOT-BC155330  Bromus laevipes Peter H. Raven 1952-5-31 4151 Napa West of Rector Dam. 182 Comment
  JEPS75643  Bromus laevipes W. L. Jepson 1936-5-31 17567 Napa Napa Range, Howell Mountain Howell Mountain; Napa Range, Howell Mountain Comment
  UCSC000048  Bromus laevipes August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena 4-5 miles South East of Middleton Comment
  UC1023567  Bromus madritensis subsp. rubens Milo S. Baker 1936-4-8 8177 Napa about 2 mi n of Knoxville Comment
  SACT000713  Bromus rubens John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  RSA128556  Bromus stamineus P. H. Raven 1953-5-2 5357 Napa Along railroad tracks, Yountville. Comment
  CAS-BOT-BC161637  Bromus sterilis G. L. Stebbins, Jr. 1953-4-19 5300 Napa Suisun Valley to Wooden Valley. 121 Comment
  UCD168568  Bromus sterilis Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD59776  Bromus tectorum Beecher Crampton 1959-5-26 5264 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCD60221  Bromus tectorum R. Tofsrud 1950-10-14 s.n. Napa Summit of road between Oakville and Glenn Ellen. Comment
  SEINET3924762  Calamagrostis rubescens Fred W. Hoffman 1944-7-7 1973 Napa Trinity Road.; 0 Comment
  CAS-BOT-BC233996  Calandrinia breweri Peter H. Raven 1953-4-2 5288 Napa Burn e. of Tulucay Creek 426 Comment
  CAS-BOT-BC438472  Calandrinia ciliata Elsa G. Ruckert 1960-4-3 64 Napa 6495 Dry Creek Road, west of house 365 Comment
  JEPS120377  Calendula arvensis Jake Ruygt 1980-3-31 823 Napa end of McLean St., Napa Comment
  SEINET3884897  Calochortus amabilis Daphne K. Christopher, Hannah I. Stevens; Mark Bibbo 2003-4-12 156 Napa Uc Davis, Stebbins Cold Canyon Reserve. Near main trailhead.; 0 166 Comment
  SEINET3884899  Calochortus amabilis R. Wenk, L. Lina; A. Miles; J. Waggoner; E. Anderson 2000-4-22 5 Napa Mclaughlin Reserve, first ridge South og Knoxville-Berryessa Road, on Southeast side of Devilhead Road.; 0 515 Comment
  SJSU9956  Calochortus amabilis Kathleen Conrey 1959-5-10 Napa near Old Bale Mill on Highway 29 c. 5 mi N of St Helena Comment
  UC527845  Calochortus amabilis R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6667 Napa 6 mi ne Pacific Union College (on road to Aetna Springs); Howell Mt. 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
  UCD48260  Calochortus amabilis B. Takahashi; S. Burgess, A. Ryan, J. Pierner, A. Hufton 2000-4-29 1 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  UCD48263  Calochortus amabilis Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 3 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
  CAS-BOT-BC488491  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  POM169455  Calochortus amabilis C. F. B 1903-4-20 2622 Napa Mt. St. Helena. Comment
  SBBG953  Calochortus amabilis H. and M. Dearing 1939-4-30 3236 Napa N of Saint Helena Comment
  UCD164691  Calochortus luteus L. P. Thibault 1995-6-2 54 Napa South side of Highway 128 approximately, 0.5 miles west of junction with Highway 121. 275 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
  UCD48755  Calochortus luteus M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 21 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 250 ft. N of power lines. 274 Comment
  SEINET4169882  Calochortus luteus Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15076 Napa In Chaparral, 20 miles north of Napa Comment
  UC1197695  Calochortus luteus Joseph P. Tracy 1938-6-6 15843 Napa between Napa City and Yountville 30 Comment
  UC1300908  Calochortus luteus Helen K. Sharsmith 1962-6-3 5109 Napa Napa-Soda Springs road San Francisco Bay Region 152 Comment
  SEINET4169984  Calochortus pulchellus W. M. Grannell 1950-4-27 15 Napa N. side of PutahCanyon Comment
  SEINET4169985  Calochortus pulchellus Unknown 1952-4-20 71 Napa Samuel Springs, 7 mi N. W. of Monticello Comment
  UC1586108  Calochortus superbus Barbara Ertter with Annetta Carter 1989-5-28 8501 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road, n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  UCD166651  Calochortus superbus Jake Ruygt 1989-6-3 2356 Napa 1.1 miles south of Moscowite Corners on Monticello Rd. 240 Comment
  UC768703  Calochortus tolmiei R. F. Hoover 1941-4-27 4951 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC132621  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  RSA369104  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  RSA537549  Calochortus vestae Barbara Ertter, Annetta Carter 1989-5-28 8501 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
  UC1876226  Calycadenia fremontii Gerald D. Carr 1972-8-21 728 Napa 2.4 mi e of Butts Canyon Rd. on Snell Valley Rd. 182 Comment
  UC1876150  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Rds. Comment
  POM298230  Calycadenia multiglandulosa subsp. cephalotes D. D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  JEPS129108  Calycadenia pauciflora Jake Ruygt 2015-6-15 6136 Napa Southwest of Buck Mountain. Knoxville 7.5' Quad. Comment
  RSA255589  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa Junction of Lower Chiles Valley and Pope Valley Roads Comment
  CAS-BOT-BC270822  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake County line on Morgan Valley Road, 125 yards N of road Comment
  CAS-BOT-BC270828  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles E of Butts Canyon Road on Snell Valley Road 182 Comment
  CAS-BOT-BC270837  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lower Lake, northern part of county Comment
  POM298248  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lowerlake Comment
  UC1876241  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 mi S of Berryessa-Knoxville Rd. on Devilhead Rd., Cedar Valley. Comment
  UCD129809  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road. Comment
  UCD129878  Calycadenia truncata Gerald D. Carr 1971-11-6 686 Napa 0.8 mile south of Angwin on Howell Mt. Road. Comment
  CAS-BOT-BC271565  Calycadenia truncata subsp. truncata Alice Eastwood 1918-9-3 7955 Napa Mt. St. Helena Comment
  CAS-BOT-BC271566  Calycadenia truncata subsp. truncata John Thomas Howell 1930-7-13 5344 Napa Lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC271553  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa Base of hills east of town, St. Helena Comment
  CAS-BOT-BC271554  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC271560  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  JEPS40317  Calycanthus occidentalis W. L. Jepson 1910-3-28 4030 Napa sw of Calistoga (Rebecca Ranch Grade); Spring Mountain Range Comment
  JEPS40319  Calycanthus occidentalis W. L. Jepson 1934-10-16 16896 Napa Adam and Eve Ridge Howell Mt. (by the cave, Howell Mt.) Comment
  RSA1008  Calycanthus occidentalis J. T. Howell 1927-8-23 680 Napa Sage Canon, Napa Range. 91 Comment
  SBBG9297  Calycanthus occidentalis S. Wagener 1955-5-16 73 Napa Conn Dam, St Hwy 128 Comment
  UCSB4982  Calystegia collina Kamb, Peter; Chisaki, Francia 1958-4-22 Napa Sage Creek, ca. 3 miles east of Chiles Valley 304 Comment
  JEPS77949  Calystegia collina subsp. collina Edward Lee 1936-3-15 1816 Napa Butt's Canyon, from Rutherford to Pope Valley Comment
  JEPS100896  Calystegia collina subsp. oxyphylla Dean W. Taylor 1998-5-14 16439 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  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
  UC796481  Calystegia purpurata Ira L. Wiggins 1949-4-30 12080 Napa on rocky ridge along old toll road between Calistoga and Middletown; between Calistoga and Middletown Comment
  RSA0059886  Calystegia subacaulis Reino Alava 1957-5-30 985 Napa 4 2/10 mile north of the junction of Highways 37 and 128, on State Highway no. 128. Comment
  JEPS61539  Camassia quamash subsp. quamash Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UC1196942  Camissoniopsis hirtella J. P. Tracy 1902-5-16 1508 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD18160  Camissoniopsis hirtella 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
  JEPS106555  Campanula angustiflora Jake Ruygt 1992-5-15 2959 b Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  SEINET10463187  Campanula prenanthoides Grummer 1979-6-21 GRUMMER 1250 Napa NR BOTHE NAPA VALLEY STATE PARK, ON CALISTOGA QUAD., NR CALISTOGA 1001 Comment
  CAS-BOT-BC37117  Capsella bursa-pastoris Peter H. Raven 1953-4-2 5249 Napa Hills east of Imola. 121 Comment
  SEINET8727311 Image available Capsella bursa-pastoris Laura Zeller 1965-1 25 Napa ca. 2.5 miles NE of Pope Valley Road and Pope Canyon Road junction on Pope Valley Road. 213 Comment
  UCD17995  Cardamine californica Ellen Dean; Kate Mawdsley 2001-4-9 681 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 243 Comment
  UCD74393  Cardamine californica Jake Ruygt 2006-4-15 4978 Napa Las Posadas State Forest, near county road. 507 Comment
  JEPS106836  Cardamine californica var. integrifolia Jake Ruygt 1982-2-16 1099 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  RSA17721  Cardamine californica var. integrifolia Elmer I. Applegate 1932-3-22 7032 Napa Crater region, Mayacama Mountains; 4 miles N of Calistoga. Comment
  POM144139  Cardamine californica var. integrifolia C. F. Baker 1903-4-20 2617 Napa Mt. St. Helena. 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
  CAS-BOT-BC281786  Carduus tenuiflorus John H. Thomas 1955-5-21 5123 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS121334  Carex amplifolia Jake Ruygt 1984-4-21 1532 Napa Mt. St. Helena Comment
  UCD161341  Carex brevicaulis Jake Ruygt 1984-5-19 1560 Napa East slope of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 579 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
  UC577192  Carex densa Lewis S. Rose 1935-6-4 35205 Napa e slope Mt. St. Helena Comment
  JEPS121324  Carex feta Jake Ruygt 1992-5-20 2990 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Comment
  UC1115816  Carex feta Joseph P. Tracy 1938-6-6 15845 Napa between Napa City and Yountville 30 Comment
  CAS-BOT-BC32051  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road above Pope Valley. Comment
  UC1103568  Carex multicaulis J. P. Tracy 1902-5-18 1545 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek); Head Moore's Creek, Howell Mountain 487 Comment
  CAS-BOT-BC119512  Carex nudata Ella D. Cantelow 1939-4-8 2501 Napa 3.5 mi NW of Knoxville. Comment
  CAS-BOT-BC119518  Carex nudata D. E. Breedlove 1963-4-19 4533 Napa 8 mi N of Pope Valley on Pope Valley to Middletown Road, Butts Canyon. Comment
  JEPS121338  Carex nudata Jake Ruygt 1978-4-6 267 Napa 2. [sic] miles west of Dry Creek on Redwood Road Comment
  JEPS81260  Carex nudata Edward Lee with A. Carter and E. Crum 1936-3-15 1807 Napa 8 mi out Rutherford (on Rutherford-Pope Valley road) Comment
  RSA3945  Carex nudata I. L. Wiggins 1932-3-12 5753 Napa Rocky bed of N. Fork of Napa River, 1 mile N. of Calistoga. Comment
  SEINET10711635  Carex nudata Wilhelm N. Suksdorf 1913-7-28 Suksdorf 713 Napa In shade near the water of the Napa River. Comment
  JEPS121328  Carex praegracilis Jake Ruygt 1996-5-14 3700 Napa White Cliff Springs; Elder Valley; (Sabini property). Comment
  UCD161695  Carex praegracilis Jake Ruygt 2010-4-19 5511 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  CAS-BOT-BC117621  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Hwy 128, above Capell Creek, N end of Capell Valley. Comment
  CDA13137  Carex serratodens G. F. Hrusa 1996-6-3 13072 Napa North Coast Biodiversity Arena; W side of Lake Hennessey approximately 1 mile E of Conn Dam. Comment
  RSA783701  Carex subbracteata Jake Ruygt 2009-6-22 3221 -b Napa Yountville Ecological Reserve. Yountville Cross Road. Comment
  UCD161699  Carex subbracteata Jake Ruygt 2010-5-20 5572 Napa North Whitehall Lane at the first slope encountered traveling west. 70 Comment
  UCD95689  Carex subfusca Ellen Dean; with Clare Loughran 2011-5-20 7035 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UC577191  Carex subfusca Lewis S. Rose 1935-6-4 35206 Napa e slope Mt. St. Helena Comment
  UCD164754  Carex tumulicola Jake Ruygt 2014-5-19 5949 Napa Sutro Ranch, Atlas Peak. 722 Comment
  CDA6924  Carthamus creticus G. D. Barbe 1978-7-21 2411 Napa Stags Leap, Silverado Trail, east of Yountville. 0 Comment
  HSC20481  Castilleja affinis Greg Bos 1963-3-3 25 Napa W shore lake Berryesa, west slope 457 Comment
  JEPS88824  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-6-23 7833 Napa 1.3 mi sw Highway 121 junction with Wooden Valley Road (on Highway 121) Comment
  UC1301210  Castilleja affinis subsp. affinis Helen K. Sharsmith 1963-4-20 5355 Napa above Wooden Valley (on Monticello, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  JEPS122743  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5793 Napa West of Atlas Peak Road, 2.4 km southwest of Foss Valley. Quad: Yountville. Comment
  CAS-BOT-BC435519  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5793 Napa Giles Mead Ranch, W of Atlas Peak Rd., 2.4 km S of Foss Valley 487 Comment
  JEPS110634  Castilleja applegatei subsp. martinii Jake Ruygt 1998-5-20 3982 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 694 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
  JEPS46013  Castilleja applegatei subsp. martinii L. R. Heckard 1957-7-26 817 Napa Summit of Mt. St. Helena road Mt. St. Helena (along Highway 29) 609 Comment
  UC199390  Castilleja applegatei subsp. martinii H. P. Chandler 1907-5-14 7580 Napa White Sulphur Springs; St. Helena Comment
  UC1301192  Castilleja attenuata Helen K. Sharsmith 1963-4-20 5335 Napa Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS9947  Castilleja attenuata W. L. Jepson 1937-5-15 18786 Napa 0.5 mi n Napa Wye Comment
  JEPS10088  Castilleja densiflora subsp. densiflora Rachael Wilson 1944-5-9 Napa Conn Valley Comment
  JEPS110628  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-5-14 309 Napa .3 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS9410  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 4 Napa Napa, hills sw Napa Comment
  SEINET903093  Castilleja exserta Richard R. Halse 1989-1 3834 Napa Along State highway 28, on the Calistoga Grade, 2.7 miles north of Calistoga. 240 Comment
  JEPS85018  Castilleja exserta subsp. exserta Larry Heckard and Mary Ashton 1969-5-3 2226 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the meadow) 510 Comment
  JEPS10341  Castilleja exserta subsp. exserta Willis L. Jepson 1893-4-28 21378 Napa n of Mt. George; Napa River Basin Comment
  UCD18055  Castilleja foliolosa Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 609 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCD48226  Castilleja foliolosa C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 16 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
  SEINET12329994  Castilleja foliolosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -306 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC444884  Castilleja foliolosa H. P. Chandler 1907-5-19 7575 Napa White Sulphur Springs; St. Helena Comment
  POM180774  Castilleja minor subsp. spiralis J. T. Howell 1930-10-19 5622 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  UCR44913  Castilleja minor subsp. spiralis L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 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
  JEPS110657  Castilleja rubicundula subsp. lithospermoides Jake Ruygt 1978-5-21 332 Napa 6.3 miles north of Sage Canyon Rd. on Chiles Valley Rd. 237 Comment
  UC194179  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1888 Napa Comment
  JEPS10645  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1887 Napa Comment
  JEPS110679  Castilleja rubicundula subsp. rubicundula Jake Ruygt 1980-6-17 923 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 633 Comment
  JEPS11153  Castilleja rubicundula subsp. rubicundula W. L. Jepson 1938-6-11 19010 Napa Knoxville Ridge Comment
Read comments
Jun 18 2012
  UCD74390  Caulanthus lasiophyllus Jake Ruygt 1986-4-5 1681 Napa Ridge to the south of Suscol Creek. 237 Comment
  UC80037  Ceanothus confusus C. C. Parry 1881-1 Napa Calistoga Comment
  CAS-BOT-BC48938  Ceanothus cuneatus E. Ruckert 1960-4-9 80 Napa 6495 Dry Creek Road, about 440 yards south of house 420 Comment
  CAS-BOT-BC48944  Ceanothus cuneatus Frank A. Leach 1921-3-1 s.n. Napa hills back of Napa asylum Comment
  UC1607873  Ceanothus cuneatus C. G. Nast 1936-3-27 57 Napa Berryessa Valley Comment
  JEPS78442  Ceanothus cuneatus var. cuneatus Edward Lee 1936-3-15 1824 Napa trip from Rutherford to Pope Valley Butt's Canyon Comment
  RSA755233  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 DOB 899 c Napa Vaca Mts.: on E-W trending ridge S of East Mitchel Canyon, 15.2 road miles W of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 degrees true ENE of Rutherford. 270 Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64435  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64438  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  OBI10254  Ceanothus divergens Milo S. Baker 1941-6-30 10159 Napa Along hwy to Howell Mt N road from Silverado Trl Comment
  POM304578  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  RSA169357  Ceanothus divergens L. S. Rose 1964-4-2 s.n. Napa 2 miles W of Angwin 244 Comment
  UCD63040  Ceanothus divergens Ellen Dean; Stephen Rae 2008-5-21 4980 Napa Hills to the W of Hwy 29 south of the town of Calistoga. Private property accessed by Diamond Mountain Rd. Canyon running east to west and slopes above it. 244 Comment
  OBI10527  Ceanothus foliosus H. E. McMinn 1936-4-4 4378 Napa Howell Mt 2 mi S of Angwin Comment
  POM85918  Ceanothus foliosus Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  SJSU5714  Ceanothus foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 Comment
  UC903052  Ceanothus foliosus Ethel Crum 1937-4-19 1779 Napa 6 mi n Napa; Mt. George, Napa Range 304 Comment
  UCD112127  Ceanothus foliosus Ray Prag 1971-1-31 180 Napa near Las Posadas State Forest. Comment
  UCD149683  Ceanothus foliosus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD73844  Ceanothus foliosus Ellen Dean; S. Rae 2008-5-21 4979 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 244 Comment
  SACT002921  Ceanothus foliosus M. Wiesendanger 1928-4-5 Napa Collected on road Comment
  CAS-BOT-BC50880  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-6 4702 Napa Mt. St. Helena Comment
  CAS-BOT-BC50916  Ceanothus foliosus var. foliosus H. E. McMinn 1923-5-25 962 B Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC50919  Ceanothus foliosus var. foliosus John Thomas Howell; Alice Eastwood 1939-6-11 7430 Napa Hills west of Calistoga Comment
  CAS-BOT-BC50924  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-3 1827 Napa Base of Mt. St. Helena Comment
  JEPS42328  Ceanothus foliosus var. foliosus W. L. Jepson 1915-12-6 6585 Napa Howell Mt. Comment
  SBBG4190  Ceanothus foliosus var. foliosus E. R. Blakley 1956-12-23 2014 Napa trail to Linda Falls, Angwin 426 Comment
  SACT002931  Ceanothus integerrimus John Willoughby 1975-5-25 Napa This is the blue-flowering form which McMinn states is common in Lake County. Along BLM Road to Cedar Valley beginning north of Knoxville. Comment
  JEPS129028  Ceanothus jepsonii Jake Ruygt 2016-6-6 6277 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  UC796475  Ceanothus jepsonii Ira L. Wiggins 1949-4-30 12095 Napa near Lake County line (hillside along rd from Calistoga to Middletown) Comment
  UCD112064  Ceanothus jepsonii Mrs. L. Rowntree 1930-7-15 s.n. Napa Sage Canyon. Comment
  RSA52713  Ceanothus jepsonii subsp. albiflorus I. L. Wiggins 1949-4-30 12095 Napa Along old toll road between Calistoga and Middletown. Comment
  CAS-BOT-BC32695  Ceanothus jepsonii var. albiflorus John Thomas Howell 1937-7-18 13100 Napa Mt. St. Helena Creek, northern part of county Comment
  JEPS20110  Ceanothus jepsonii var. albiflorus W. L. Jepson 1915-4-23 6263 Napa Chiles Creek hills Napa Range Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  RSA0056202  Ceanothus jepsonii var. purpureus Keith E. Hoffmaster 1946-3-23 1226 Napa Napa range, near summit of Napa-Monticello road. Comment
  LA44929  Ceanothus oliganthus var. sorediatus John Thomas Howell; 1931-4-3 6133 Napa Napa Range, Pope Creek Canyon, 8.5 mi. from Monticello Comment
  CAS-BOT-BC53214  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House & Mt. St. Helena Comment
  CDA11179  Ceanothus parryi G. F. Hrusa 1988-4-16 5539 Napa North Coast Biodiversity Arena; along Pope Creek, immed. E of bridge crossing below Chiles Valley Rd. Comment
  JEPS42242  Ceanothus parryi W. L. Jepson 1938-5-22 18820 Napa Limekiln Creek Canyon Pope Valley (lower slopes) Comment
  JEPS42392  Ceanothus parryi Willis L. Jepson 1893-5-6 14023 Napa Calistoga Comment
  JEPS42393  Ceanothus parryi W. L. Jepson 1894-10-14 14024 Napa nw Calistoga (Rebecca Ranch grade) Comment
  RSA166764  Ceanothus parryi M. van Renselaer 1938-4-26 s.n. Napa Wooden Valley Grade Comment
  RSA10636  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1854 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC52181  Ceanothus purpureus Herbert L. Mason 1924-1-22 1200 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52185  Ceanothus purpureus Peter H. Raven 1953-5-2 s.n. Napa Soda Creek Canyon 2 miles below Foss Valley 335 Comment
  CAS-BOT-BC52193  Ceanothus purpureus David D. Keck 1931-4-2 1013 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE. of Napa 170 Comment
  JEPS105484  Ceanothus purpureus Eva Buxton 2001-4-24 1105 Napa ca 1 mile south of Lake Hennessy, in chaparral on Somona volcanics Comment
  RSA114006  Ceanothus purpureus Milo S. Baker 1931-2-8 s.n. Napa 5 miles from napa on Monticello Road Comment
  RSA19031  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  SD143477  Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  UC870639  Ceanothus purpureus Lewis S. Rose Apr 1939 39069 Napa 4 mi NE of Napa 198 Comment
  UCD82601  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5539 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCR21783  Ceanothus purpureus J. R. Haller 1979-5-4 3452 Napa Mead Ranch, near Atlas Peak Road, c. 5 miles (by road) north of state Hwy 121 and 9 miles north of Napa 488 Comment
  UCR220104  Ceanothus purpureus 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
  SEINET12210810  Ceanothus purpureus W. Knight, Knight, I. 1982-1 4658 Napa Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC52891  Ceanothus velutinus Milo S. Baker 1926-4-10 202 Napa Mt. St. Helena 822 Comment
  CAS-BOT-BC52895  Ceanothus velutinus H. E. McMinn 1926-1-2 1626 A Napa Mt. St. Helena, near tablet of R.L. Stevenson Comment
  UCD130000  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort, Lake Berryessa. Comment
  JEPS7801  Centaurea cyanus Peter H. Raven 1951-6-26 3051 Napa Wooden Valley Grade 121 Comment
  JEPS106534  Centaurium muehlenbergii Jake Ruygt 1995-7-12 3515 Napa about 2 miles south of Lake Hennessey on private drive (Taylor 432 Comment
  JEPS106528  Centaurium trichanthum Jake Ruygt 1980-6-1 907 Napa Milton Rd. 0 Comment
  JEPS46944  Centaurium trichanthum W. L. Jepson 1916-8-6 6836 Napa Howell Mt. Comment
  JEPS46948  Centaurium trichanthum W. L. Jepson 1895-8-30 14634 Napa Calistoga Napa River Basin Comment
  UC1328137  Centaurium trichanthum Donald V. Hemphill 1941-6-26 194 Napa 2 mi se Angwin 396 Comment
  SD9168  Centromadia parryi Katherine Curran 1883-1 Napa Calistoga Comment
  CAS-BOT-BC272831  Centromadia parryi subsp. parryi Alice Eastwood; John Thomas Howell 1938-5-15 5519 Napa Myrtledale Hot Springs Comment
  UC1223089  Centromadia parryi subsp. parryi Joseph P. Tracy 1950-8-11 19301 Napa Calistoga Hot Springs Comment
  UC421613  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 mi n Vallejo Comment
  JEPS51346  Cerastium glomeratum Willis L. Jepson 1897-5-2 Napa Napa River Basin, Rebecca Ranch Grade Upper Napa Valley, Napa River Basin, Rebecca Ranch Grade Comment
Read comments
Aug 24 2010
  SEINET7073047  Cerastium glomeratum A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  HSC4108  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  CAS-BOT-BC179387  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville Road. Comment
  POM247249  Cercis occidentalis E. K. Crum 1937-8-8 1956 Napa Putah Canyon Creek, seven miles southeast of Monticello. Comment
  RSA107846  Cercis occidentalis L. S. Rose 1955-4-4 55044 Napa Putah Creek, near Monticello, Canyon slopes Comment
  UC555385  Cercis occidentalis Herbert L. Mason 1925-1-23 1207 Napa Pope Canyon Comment
  JEPS44709  Cercocarpus betuloides var. betuloides W. L. Jepson 1937-4-10 17999 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UC187521  Cercocarpus betuloides var. betuloides Katharine Brandegee July 1910 Napa e of Angwin (Howell Mountain); Howell Mountain 914 Comment
  CAS-BOT-BC284534  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 17933 Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC284569  Chaenactis glabriuscula var. heterocarpha David D. Keck 1933-5-29 2348 Napa Pope Creek Bridge south of Walters Springs, Pope Creek Canyon Comment
  HSC81993  Chaenactis glabriuscula var. heterocarpha Thomas W. Nelson, Jane P. Nelson 1980-5-3 5158 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  UCD167089  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 2010-8-24 5754 Napa Barton Hill, northwest shore of Lake Berryessa. 131 Comment
  CHSC102253  Chenopodium album Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS59699  Chenopodium ambrosioides W. L. Jepson 1922-10-22 9835 Napa St. Helena Napa River (river bed) Comment
  JEPS59695  Chenopodium ambrosioides Willis L. Jepson 1892-7 Napa Knoxville Grade to Lower Lake Comment
  JEPS106820  Chenopodium berlandieri Jake Ruygt 1986-7-12 1867 Napa Imola Ave, east of Maxwell Bridge,Napa 2 Comment
  JEPS106722  Chenopodium californicum Jake Ruygt 1980-3-2 816 Napa Snell Valley 176 Comment
  UCD148777  Chenopodium californicum Jake Ruygt 2005-2-12 4695 Napa Napa County; Berryessa Knoxville Road at south entry into Knoxville Wildlife Area. 234 Comment
  CDA3116  Chenopodium multifidum H. Stabo 1960-6-27 4584 Napa Usibelli Ranch, Rutherford. 0 Comment
  UC924252  Chenopodium multifidum H. S. Reed 1948-11-5 2055 Napa Berryessa Valley Comment
  JEPS120401  Chenopodium vulvaria Jake Ruygt 1996-6-1 3727 Napa Hwy 128 about 3/4 mile north of Turtle Rock Cafe. Comment
  UC1197670  Chlorogalum pomeridianum var. pomeridianum J. P. Tracy 1899-7-6 451 Napa head Moore's Creek (3-4 mi e of Angwin's; Howell Mountain); , head of Moore's Creek 365 Comment
  UC13725  Chlorogalum pomeridianum var. pomeridianum Willis L. Jepson July 1884 Napa Little Oak Comment
  UCD169873  Chorizanthe membranacea Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 808 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 Comment
  JEPS38183  Chorizanthe membranacea Lauramay T. Dempster 1965-5-15 4094 Napa s Knoxville (below Cedar Valley, along Zim-Zim Creek); along Zim-Zim Creek 426 Comment
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  CAS-BOT-BC252841  Chorizanthe polygonoides var. polygonoides M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UCD21554  Chorizanthe polygonoides var. polygonoides A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 8 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. Along Devil Head Road, just upslope (south) of Knoxville-Berryessa road. West side of Devilhead Road. 487 Comment
  JEPS24506  Cichorium intybus J. H. Thomas 1960-8-29 8837 Napa about 1 mi n Calistoga (along Highway 53) Comment
Read comments
Sep 7 2012
  CAS-BOT-BC285220  Cichorium intybus Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UCD130481  Cichorium intybus Austin Griffiths Jr.; Patricia L. Griffiths 1963-9-5 4824 Napa Expty residental lot, Napa Valley. Comment
  JEPS122678  Cicuta maculata var. bolanderi Jake Ruygt 1986-7-23 1887 Napa East end Marina Drive, Napa. Quad: Napa. Comment
  CDA1210  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  UCD170288  Cirsium douglasii var. douglasii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 828 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  CDA1211  Cirsium douglasii var. douglasii T. C. Fuller, H. Stabo 1959-6-2 2647 Napa Southern Napa Co. 0 Comment
  OBI76875  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  CDA1309  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2256 -B Napa 1.7 mi. west of Oakville; Oakville Grade Rd. cut west of Summit. Comment
  CAS-BOT-BC286572  Cirsium occidentale var. venustum Peter H. Raven 1951-5-20 2846 Napa W. Oakville 365 Comment
  CAS-BOT-BC288695  Cirsium remotifolium John Thomas Howell 1941-6-21 16314 A Napa Hills SW of St Helena Comment
  CAS-BOT-BC288696  Cirsium remotifolium John Thomas Howell 1941-6-21 16314 A Napa Hills SW of St Helena Comment
  CAS-BOT-BC169772  Cistanthe quadripetala Alice Eastwood 1915-6-6 4673 Napa Mt. St. Helena Comment
  UCD49186  Clarkia affinis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. on W-facing slope 2400 as the crow flies feet NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  UC1299419  Clarkia amoena Freed W. Hoffman 1947-6-19 1652 Napa near Knoxville; North Coast Ranges Comment
  UCD104414  Clarkia concinna J. Buck 1996-6-2 21 Napa 5 miles SE of Calistoga along Highway 128. 97 Comment
  UCD104418  Clarkia concinna Max P. Dunford 1961-5-20 1039 Napa 1/4 mile W of Monticello Dam on State Highway 128, W of Winters. Comment
  JEPS110768  Clarkia concinna subsp. concinna Jake Ruygt 1976-5-14 72 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  JEPS43619  Clarkia concinna subsp. concinna W. L. Jepson 1904-6-3 2438 Napa St. Helena to Howell Mt. Comment
  RSA495956  Clarkia concinna subsp. concinna L. D. Gottlieb 1988-5-24 8820 Napa Hwy 128, near bridge over Soda Creek, at mp 18.48, between Spanish Flat Rd and Lower Chiles Valley Rd., N-facing slope on S of roadway. Comment
  POM271463  Clarkia concinna subsp. concinna Lyman Benson 1935-5-19 6662 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  UCD104547  Clarkia gracilis R. C. Herner 1965-5-8 24 Napa State Highway 128, 8 miles W of Monticello Dam. Comment
  CAS-BOT-BC164630  Clarkia gracilis subsp. gracilis Carl B. Wolf 1928-5-3 1784 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  RSA495969  Clarkia gracilis subsp. sonomensis L. D. Gottlieb 1988-5-24 8818 Napa On Rt. 128, just east of its junction with Rt. 121; site is about 100 yards east of Steele Canyon Rd. 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
  UCD63363  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 Comment
  UCD167272  Clarkia gracilis subsp. tracyi Jake Ruygt 2007-6-21 5225 Napa Las Posadas State Forest, between Moore Creek and Uncle John Creek. 353 Comment
  JEPS120334  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2005-5-21 4858 Napa Skyline Park, base of Rimrock Trail. Mount George 7.5' Quad. Comment
  CAS-BOT-BC163689  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-24 3032 Napa Valley floor e. of Napa 60 Comment
  CAS-BOT-BC163827  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1933-6-4 11387 Napa Hills east of Napa Comment
  JEPS43572  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1893-6-24 14341 Napa Napa Soda Springs Comment
  JEPS43573  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1894-5-1 14344 Napa St, Helena Comment
  UCD167273  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1992-5-25 3001 Napa West side of south lake, Wild Horse Valley Ranch. 457 Comment
  JEPS129099  Clarkia purpurea subsp. viminea Jake Ruygt 2016-4-30 6217 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS110692  Clarkia unguiculata Jake Ruygt 1978-5-21 323 Napa .3 miles east of Silverado Trail on Sage Canyon Rd. 60 Comment
  RSA491722  Clarkia unguiculata James L. Reveal 1987-6-7 6392 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  UCD105083  Clarkia unguiculata J. D. Skoss 1948-6-6 20 Napa Putah Canyon. Comment
  CAS-BOT-BC439132  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-21 1727 A Napa St. Helena Creek below Patten's Comment
  CHSC11355  Claytonia exigua subsp. exigua Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS112618  Claytonia exigua subsp. exigua Jake Ruygt 1998-6-15 4032 Napa Mt. St. Helena, below SW peak. 1127 Comment
  HSC17756  Claytonia exigua subsp. exigua C. B. Wolf 1928-2-25 1495 Napa Mt. St. Helena Grade, 5 mi. N of Calistoga Comment
  HSC17749  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi. from Mt. St. Helena Inn Comment
  POM161337  Claytonia gypsophiloides Rimo C. Bacigalupi 1926-3-28 1269 Napa Patton s Toll House along old road. Comment
  RSA10660  Claytonia gypsophiloides C. B. Wolf 1928-5-3 1829 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UC412632  Claytonia gypsophiloides H. P. Chandler 1907-4-28 7552 Napa Santa Rosa to Calistoga Comment
  UCD100506  Claytonia gypsophiloides J. M. Tucker 1953-3-26 2637 Napa slope overlooking Highway 29, Mount Saint Helena, 5.2 miles (by road) north of 'city limit' sign on north side of Calistoga. Comment
  JEPS112601  Claytonia parviflora subsp. parviflora Jake Ruygt 1992-3-10 2850 Napa Johnson's Meadow ; Wild Horse Valley Ranch 426 Comment
  UCD49144  Claytonia parviflora subsp. parviflora Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, W side of South Decker Canyon Rd., N of jct with Cut-Off Rd., in drainage near dilapidated buildings. 152 Comment
  UCD73383  Claytonia parviflora subsp. parviflora 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
  JEPS43334  Claytonia parviflora subsp. parviflora V. E. Ferguson 1920-4 320 Napa St. Helena and Carmel trips Comment
  CAS-BOT-BC439942  Claytonia perfoliata subsp. mexicana Ira L. Wiggins 1928-3-27 2870 Napa 1 1/2 miles northeast of Calistoga Comment
  UCD100806  Claytonia perfoliata subsp. perfoliata Heidi E. M. Dobson 1978-4-8 295 Napa Redwood Road at base of Mt. Veeder. Comment
  SEINET9364415  Clematis lasiantha Unknown 1995-4-16 Napa Napa County Comment
  UCR146179  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Vaca Mountains, 10 minutes southwest of Monticello, along Highway 128 274 Comment
  JEPS55205  Clematis ligusticifolia Alice King July 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  JEPS60568  Clematis ligusticifolia W. L. Jepson 1936-7-6 17651 Napa Napa Range, Sage Canyon Comment
  UCD49264  Collinsia heterophylla C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; in dry creek bed, downslope of West Rd., N of jct with South Decker Canyon Rd. 152 Comment
  CAS-BOT-BC94519  Collinsia sparsiflora R. C. Wenk; E. S. Wenk 2006-4-30 437 Napa Robert Louis Stevenson State Park. Trail going E from Highway 29 parking lot for trail to Mt. St. Helena, 1/2 mile from Comment
  POM182690  Collinsia sparsiflora D. D. Keck 1931-4-2 1008 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  UCD71289  Collinsia sparsiflora Kook-Hyun Chung 2001-4-28 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, On edge of opening interior live oak woodland; flower purple with white center, annual 242 Comment
  UCD36168  Collinsia sparsiflora Beecher Crampton 1952-3-24 1024 Napa 3 miles south of Monticello, along state Highway 128. Comment
  CDA11625  Collinsia sparsiflora var. arvensis G. F. Hrusa, S. Larson 1995-4-1 12064 Napa North Coast Biodiversity Arena; Chiles Valley/Pope Valley Rd. approx 2 m. S of Pope Canyon Rd. intersection. Comment
  UC1301188  Collinsia sparsiflora var. arvensis Helen K. Sharsmith 1963-3-17 5223 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  JEPS15592  Collinsia sparsiflora var. arvensis Rimo Bacigalupi with John Dawson 1955-4-25 4844 Napa 0.75 mi w, below Lake Hennessey Dam (along Conn Creek rd) 79 Comment
  POM182734  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 1051 Napa 4 miles S of Monticello, eastern Napa County. Comment
  RSA10659  Collinsia sparsiflora var. arvensis Carl B. Wolf 1928-5-3 1830 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  SEINET12268978  Collinsia sparsiflora var. arvensis H. K. Sharsmith 1963-1 5223 Napa S side Mount Atlas 610 Comment
  UC147868  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1902-5-17 1517 Napa 3-4 mi e Angwin (head of Moore's Creek); Howell Mtn, Moore's Creek 365 Comment
  UC885508  Collinsia sparsiflora var. sparsiflora Alice Eastwood 1922-5-5 11290 Napa Mount St. Helena Comment
  UCD116974  Collinsia sparsiflora var. sparsiflora Jillian Howard; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just NE of fire station along dirt road. 519 Comment
  JEPS85056  Collinsia sparsiflora var. sparsiflora Larry Heckard, Mary Ashton 1969-5-3 2200 Napa 7 mi ne of Napa (Mead Ranch off the Atlas Peak Road); Mead Ranch 457 Comment
  UCD123669  Collinsia sparsiflora var. sparsiflora M. N. Artist 1965-3-15 17 Napa dirt road just north side of State Highway 128, just east of Markley Cove at Lake Berryessa. Comment
  UCSB19121  Collinsia sparsiflora var. sparsiflora Rankine, Jane 1965-4-13 Napa road to Angwin; 3 miles W of Pope Valley Comment
  JEPS7296  Collinsia tinctoria Alice King Jul 1919 Napa Van Ness Ranch , Mt. St. Helena (Mt. St. Helena) Comment
  JEPS25047  Collinsia tinctoria J. P. Tracy 1899-7-3 363 Napa 3-4 mi e Anqwin's (head of Moore's Creek, Howell Mtn); Howell Mtn, head of Moore's Creek 518 Comment
  JEPS110958  Collomia diversifolia Jake Ruygt 1983-4-17 1432 Napa Red Hill, Mt. St. Helena 655 Comment
  RSA304647  Collomia diversifolia D. H. Wilken 1973-5-6 11924 Napa Along Copell Creek, 4 miles N of Moskowite Corner, E of Red Mountain 305 Comment
  JEPS110954  Collomia heterophylla Jake Ruygt 1997-3-23 3813 Napa Small peak (Kujo) south of Bismark Knob 612 Comment
  UC908736  Collomia heterophylla Herbert L. Mason 1926-3-21 2782 Napa near summit of road Mt. St. Helena Comment
  JEPS122707  Conyza canadensis Jake Ruygt 1989-10-2 2419 Napa South Shore of Lake Hennessey along Sage Canyon Road. Quad: Yountville. Comment
  JEPS112551  Cordylanthus pilosus subsp. pilosus Jake Ruygt 1981-7-15 1063 Napa Redwood Rd., 1.5 miles north of Brown's Valley Rd. 121 Comment
  JEPS6809  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1898-1-4 21347 Napa Howell Mt. Napa Range Comment
  JEPS7001 Image available Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-9 4750 Napa grade over shoulder Mt. St. Helena (road from Calistoga to Middletown, near Hanley's Resort) Comment
  JEPS112549  Cordylanthus tenuis subsp. brunneus Jake Ruygt 1986-6-1 1802 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  SD133720  Cordylanthus tenuis subsp. brunneus T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 A Napa Just south of the Napa and Lake County line, on US Highway 29 Comment
  UC761839  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC209801  Cornus glabrata Peter H. Raven 1951-6-26 3089 Napa Along Cappell Ck., Cappell Valley to Wooden Valley 274 Comment
  RSA603173  Cornus glabrata Joseph A. Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. S of Monticello. Comment
  UC1280738  Cornus glabrata H. E. McMinn 1922-6-8 203 Napa along rd. by stream from Monticello to Napa; Napa Mts., Pope Creek Comment
  UCD47955  Cornus glabrata Ryan Knox; E. McDermott and G. Walden 2002-4-13 1 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, from Knoxville Creek's bank. 131 Comment
  UCD161226  Cornus nuttallii Jake Ruygt 2003-4-11 4495 Napa Howell Mtn. Rd. near Ink Grade Rd. (Coordinates estimated by label maker at UC Davis). 560 Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  JEPS110659  Cotoneaster pannosus Jake Ruygt 2005-6-12 4920 Napa Monticello Road, 0.9 mi E of Atlas Peak Road 79 Comment
  JEPS49989  Crassula aquatica Willis L. Jepson 1893-4-27 13442 Napa Napa City Napa R. Basin, Napa City Comment
  JEPS129024  Crepis pulchra Jake Ruygt 2016-5-7 6240 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD116514  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD161216  Crocanthemum scoparium Jake Ruygt 1989-7-1 2393 Napa Mt. Vaca. 755 Comment
  UCD36950  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD73849  Crocanthemum scoparium Ellen Dean; S. Rae 2008-5-21 4984 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 274 Comment
  UCD19325  Croton setiger M. A. Bibbo; E. Dean 2001-7-6 17 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  CHSC102273  Crypsis schoenoides Lowell Ahart 2009-10-12 16462 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS122997  Crypsis schoenoides Jake Ruygt 1986-6-21 1829 Napa East end of Suscol Road, under the Southern Crossing. Quad: Cuttings Wharf. Comment
  UCD37518  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. 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
  JEPS122995  Crypsis vaginiflora Jake Ruygt 1990-1-29 2432 Napa Napa Range about 1/2 mile south of Circle Oaks. Quad: Capell Valley. Comment
  SBBG117229  Cryptantha clevelandii B. Crampton 1954-5-20 1929 Napa 8 mi SW of Monticello, along Hwy 128 Comment
  SEINET4206989  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd.; 0 610 Comment
  CAS-BOT-BC33118  Cryptantha clevelandii var. florosa Charles Fuller Baker 1903-5-8 2966 Napa Knoxville Comment
  UC912356  Cryptantha flaccida Herbert L. Mason 1934-4-30 8105 Napa 5 mi s Monticello (tributary of Putah Creek); Putah Creek Comment
  CHSC108724  Cryptantha hispidula B. Castro; L. P. Janeway 2002-5-12 1370 Napa Inner North Coast Ranges. Ridge top north of Cedar Creek, along road from Devilhead Road. 579 Comment
  JEPS106739  Cryptantha hispidula Jake Ruygt 1981-5-21 1043 Napa 1.0 miles north of Butts Canyon Rd. on Snell Valley Rd. 213 Comment
  RSA733921  Cryptantha hispidula Beecher Crampton 1954-5-20 1929 Napa Napa County, 8 miles southwest of Monticello, along highway 128. Growing in low road banks, in serpentine soil. Comment
  UCD18062  Cryptantha hispidula Ellen Dean; with Plant Biology 102 class 2000-4-22 617 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  JEPS67644  Cryptantha intermedia Willis L. Jepson 1897-5-2 21096 Napa St. Helena Comment
  JEPS67651  Cryptantha intermedia W. L. Jepson 1938-5-25 18861 Napa Bell Canyon Napa Range, Howell Mt. 579 Comment
  RSA74040  Cryptantha intermedia Milo S. Baker 1947-7-7 11848 Napa Near end of wood road leading S from Mt. St. Helena Inn. 915 Comment
  UCD161233  Cryptantha microstachys Jake Ruygt 2002-4-1 4378 Napa Napa County : Blue Ridge north of Mays; flat. (Coordinates estimated by label maker at UC Davis). 487 Comment
  UCD159914  Cryptantha muricata Alice Warrick 2008-4-5 Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Section E. 243 Comment
  JEPS120430  Cryptantha muricata Jake Ruygt 2010-6-21 5640 Napa Near creek that drains into Bear Valley from southeast. Comment
  JEPS126074  Cryptantha nemaclada Jake Ruygt 1981-4-18 977 b Napa Harris Canyon. Napa 7.5' Quad. Comment
  CAS-BOT-BC80716  Cupressus macnabiana H. E. McMinn 1925-1-24 1395 A Napa Pope Valley Canyon between Monticello & Pope Valley P.O. Comment
  CAS-BOT-BC80719  Cupressus macnabiana Peter H. Raven 1951-10-28 3958 Napa Knoxville 457 Comment
  JEPS39757  Cupressus macnabiana W. L. Jepson 1920-5-25 9039 Napa Knoxville Ridge Comment
  POM263126  Cupressus macnabiana J. C. Roos 1938-11-19 323 Napa Pope Valley, near Altna Springs Comment
  UCD133544  Cupressus macnabiana J. Street 1950-6-12 s.n. Napa Northern Napa County. Comment
  UCD67772  Cupressus macnabiana D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  RSA96667  Cupressus macnabiana Percy C. Everett, E. K. Balls 1954-10-19 20371 Napa 3.9 miles NW of Knoxville on road to Lower Lake. 610 Comment
  RSA17621  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-17 6196 Napa North side of Mt. St. Helena, 300 ft. south of Lake County line on Middletown - Calistoga road 457 Comment
  RSA85822  Cupressus sargentii F. W. Peirson, Mabel Peirson 1926-4-3 6623 Napa Northern edge of Napa County on Middletown Road Comment
  UC1083214  Cupressus sargentii Herbert L. Mason 1926-1-2 2606 Napa Toll House Canyon Mt. St. Helena, Toll House Canyon Comment
  SEINET10531547  Cupressus sargentii Mary Susan Taylor, E. Pierce 1981-5-17 Taylor 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi S of Lake County line. Comment
  SEINET11739562  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -322 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD170284  Cuscuta Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 824 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  UCD161535  Cuscuta campestris Jake Ruygt 1991-8-24 2833 Napa Napa River at Bale Lane. 80 Comment
  UC450144  Cuscuta salina var. major Milo S. Baker Aug 1900 Napa Napa River, near R.R. crossing Napa River Comment
  JEPS43036  Cuscuta subinclusa W. L. Jepson 1939-9-12 19480 Napa w of St. Helena; Spring Mountain, York Creek Comment
  JEPS47144  Cuscuta subinclusa W. L. Jepson Oct 12 1894-Oct 13 1894 70 a Napa St. Helena Napa Valley Comment
  SEINET197745  Cynoglossum grande R. C. Bechtel 1952-3-16 19 Napa Putah Canyon Comment
  UCD19312  Cynosurus echinatus M. A. Bibbo; E. Dean 2001-7-6 4 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  CAS-BOT-BC114721  Cyperus difformis John Thomas Howell 1932-10-8 10798 Napa Wet soil of roadside hollow, 7 mi S of Napa. Comment
  CAS-BOT-BC114678  Cyperus eragrostis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga. Comment
  UCD149600  Cyperus eragrostis 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-BC114681  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  JEPS75995  Cyperus eragrostis W. L. Jepson 1936-6-2 17602 Napa Pratt Valley, St. Helena Comment
  POM185405  Cyperus eragrostis A. D. E. Elmer 1903-07 4656 Napa Napa Comment
  CDA29763  Cyperus erythrorhizos M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 218 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS121341  Cyperus niger Jake Ruygt 1986-7-29 1889 Napa Milliken Drive, Silverado Country Club. Comment
  JEPS103989  Cystopteris fragilis Jake Ruygt 1984-3-31 1518 Napa Devil's Canyon 548 Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  JEPS122992  Danthonia californica Jake Ruygt 1982-5-4 1225 a Napa Suscol plain between Kaiser and Highway 29 (221). Quad: Napa. Comment
  JEPS75997  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UCD60520  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Pope Valley (the town). Comment
  JEPS126109  Datisca glomerata Jake Ruygt 1979-6-16 701 Napa Dry Creek Road, near Oakville Grade. Rutherford 7.5' Qua. 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
  JEPS115751  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  UCD159931  Daucus pusillus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC532069  Delphinium hesperium David D. Keck 1933-5-29 2366 Napa Pope Creek bridge s Walters Springs 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
  CAS-BOT-BC10110  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC10108  Delphinium hesperium subsp. pallescens Milo Samuel Baker 1932-4-26 5692 Napa Pope Creek Road perhaps 12 to 15 mi. from Monticello Comment
  CAS-BOT-BC10112  Delphinium hesperium subsp. pallescens P. H. Raven; George Ledyard Stebbins 1953-4-19 5343 Napa North side of Pope Creek between Samuels Springs and Walters Springs 243 Comment
  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
  RSA59829  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa among brush of side gulch, Sarco Creek, 5 miles above Napa Comment
  SEINET12093074  Delphinium nudicaule F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -307 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC635346  Delphinium patens H. L. Mason 1928-4-13 4330 Napa hills between Santa Rosa and Calistoga Comment
  POM182738  Delphinium patens D. D. Keck 1931-4-2 1047 Napa 4 miles S of Monticello, eastern Napa County. Comment
  RSA155420  Delphinium patens L. S. Rose 1961-3-30 61026 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  RSA195349  Delphinium patens Gilbert Muth 1967-5-19 697 Napa Milliken Dam. 335 Comment
  UCD32413  Delphinium patens Beecher Crampton 1950-5-7 568 Napa Napa County, east side of Napa Valley, along Silverado Trail, along roadside entering southern portion of Conn Valley. 68 Comment
  CAS-BOT-BC116495  Delphinium patens subsp. patens Alice Eastwood 1918-5-1 6815 Napa Mt. St. Helena Comment
  CAS-BOT-BC116490  Delphinium patens subsp. patens P. H. Raven 1957-5-6 10775 Napa Hills at western edge of Calistoga 182 Comment
  CAS-BOT-BC116496  Delphinium patens subsp. patens Alice Eastwood 1930-6-8 6815 Napa On the old Toll Road below Pattens's, Mt. St. Helena region Comment
  RSA183435  Delphinium uliginosum Alva Day 1965-5-15 65 -126 Napa Cedar Valley, west of Lake Berryessa. Comment
  UCD96582  Delphinium uliginosum Alva Day 1965-5-15 65 126 Napa In meadow in Cedar Valley, west of Lake Berryessa. Comment
  RSA701031  Delphinium variegatum Wilma Griset 1931-3-29 44 Napa [Unspecified] Comment
  UCD96665  Delphinium variegatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  JEPS110871  Delphinium variegatum subsp. variegatum Jake Ruygt 1982-4-18 1188 Napa Calistoga Grade on Mt. St. Helena 350 Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  JEPS110994  Delphinium variegatum subsp. variegatum Jake Ruygt 1979-4-1 471 Napa Cup and Saucer 121 Comment
  SBBG2218  Delphinium variegatum subsp. variegatum H. and M. Dearing 1939-4-29 3228 Napa Conn Valley Comment
  SD44515  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa East side of Mount St. Helena; moist grassy slopes above road. 456 Comment
  CHSC25103  Dendromecon rigida J. E. Beitler 1970-4-19 24 Napa Napa. Located on N. side of road ca. 20 feet in from road shoulder, ca. 11.7 mi. W. on Napa-Monticello road from Moskowite Corners. Comment
  CAS-BOT-BC626  Dendromecon rigida subsp. rigida Alice Eastwood 1915-6-6 4698 Napa Mt. St. Helena 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
  CAS-BOT-BC659  Dendromecon rigida subsp. rigida Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena. Comment
  POM126101  Deschampsia cespitosa Joseph P. Tracy 1902-5-18 1543 Napa Head of Moore's Creek 518 Comment
  SEINET10515817  Deschampsia cespitosa Peter H. Raven 1965-5-16 Raven 20210 Napa Cedar Valley, vicinity of Knoxville. Along stream in grove of Cupressus sargentii. 610 Comment
  SBBG89094  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1986-5-6 Napa Cedar Crk, 3.5 mi SW of Knoxville and ca. 0.5 air mi W of Devilhead Rd 548 Comment
  UC1153818  Deschampsia cespitosa subsp. cespitosa Beecher Crampton 1957-5-8 4000 Napa n. end of Capell Valley (above Capell Creek) Comment
  UC1023588  Deschampsia danthonioides Virginia Bufford 1937-5-9 449 Napa Calistoga Geysers Comment
  UCD164842  Deschampsia danthonioides Jake Ruygt 2012-5-19 5849 -b Napa Near Stone Corral Creek, Spanish Valley. 219 Comment
  UC187276  Deschampsia elongata J. P. Tracy 1902-5-19 1552 1/2 Napa 3 - 4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  CAS-BOT-BC254473  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1943-6-20 18240 Napa SW of St. Helena Comment
  SFV8407  Dichelostemma capitatum L. Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road. 183 Comment
  UCD48273  Dichelostemma capitatum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 6 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. 20 ft south of path. 545 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
  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
  CHSC75032  Dichelostemma capitatum subsp. capitatum Glen Dreyer 1977-4-16 35 Napa Ca. 4 miles west of Monticelo Dam, about 20 ft. off of Highway 128. Comment
  SEINET5725241 Image available Dichelostemma capitatum subsp. capitatum Jill Bockus 1974-1 2 Napa Wallace Hardin Ranch, 3 miles northeast of Pope Valley, 3.9 miles northeast of south end of Pope Canyon Road and Chilies Road Intersection; Pope Valley 183 Comment
  UCD148738  Dichelostemma congestum Jake Ruygt 2005-6-7 4908 c Napa Napa County; ridge top west of Circle Oaks. 588 Comment
  UCD160772  Dichelostemma volubile Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8651 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
  CAS-BOT-BC150363  Diplacus aurantiacus James L. Reveal 1987-6-7 6398 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road; about 6.5 miles northwest of Vacaville 609 Comment
  CAS-BOT-BC150364  Diplacus aurantiacus Peter H. Raven 1952-5-31 4127 Napa S.W. of Rector Canyon 152 Comment
  SJSU10417  Diplacus aurantiacus J. Paravantes 1973-5-5 Napa Soda Canyon Rd 5 mi N of intersection with Siverado Trail (rd) 304 Comment
  CAS-BOT-BC152183  Diplacus bolanderi Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5336 Napa Pope Creek e. of Samuels Springs 91 Comment
  CAS-BOT-BC153277  Diplacus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  CAS-BOT-BC153330  Diplacus layneae Peter H. Raven 1951-6-10 2915 Napa Crater Region, e. of Mt. St. Helena 762 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
  JEPS9512  Dodecatheon hendersonii Linda G. Dodd 1920-4-2 Napa Capell Valley Napa Range, Capell Valley Comment
  JEPS9525  Dodecatheon hendersonii Willis L. Jepson 1893-4-25 14588 Napa w St. Helena (Caux's Cabin, Napa River Basin); Napa River Basin, w of St. Helena Comment
  RSA733815  Dodecatheon hendersonii Keith E. Hoffmaster 1946-3-9 1220 Napa Napa range, near summit of Napa-Monticello road. Comment
  POM59145  Downingia pusilla A. A. Heller, H. E. Brown 1902-4-25 s.n. Napa Near Napa Comment
  POM263488  Draba verna J. C. Roos 1939-2-21 299 Napa Near Angwin, Napa Range. Comment
  CAS-BOT-BC157775  Drymocallis glandulosa var. glandulosa E. Ruckert 1960-5-8 146 Napa 6495 Dry Creek Road; field west of gate spring 365 Comment
  CAS-BOT-BC157776  Drymocallis glandulosa var. glandulosa M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  RSA123326  Drymocallis glandulosa var. glandulosa B. O. Schreiber 1936-3-5 2202 Napa 1.5 miles W of Calistoga 152 Comment
  UC1543126  Drymocallis glandulosa var. wrangelliana Charlotte G. Nast 1936-3-27 74 Napa Childs Canyon Comment
  JEPS60038  Dryopteris arguta W. L. Jepson 1936-7-2 17646 Napa Angwin Meadow Howell Mts; Napa Range Comment
  UC191167  Dudleya cymosa C. F. Sonne 1897-4-1 Napa St. Helena Comment
  UCD101886  Dudleya cymosa Michael Fleschner 1965-5-13 13 - Napa next to Zim Zam Creek near Cedar Valley, west of Berryessa Knoxville Road, north of Lake Berryessa. Comment
  CAS-BOT-BC428111  Dudleya cymosa subsp. cymosa S. M. Carpenter 1952-4-20 46 Napa Near Samuel's Springs 106 Comment
  UCD148775  Dysphania ambrosioides Jake Ruygt 1986-7-12 1876 Napa Napa County; Napa River just south of confluence with Tulocay Creek. 1 Comment
  CLARK-A1528-4596  Echinochloa crus-galli John C. Roos 1939-5-7 262 Napa Angwin 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
  UCD38848  Echinochloa muricata Beecher Crampton 1962-9-25 6676 Napa Comment
  RSA92936  Eclipta prostrata Peter H. Raven 1951-10-28 3941 Napa Conn Lake. 152 Comment
  JEPS120399  Elatine brachysperma Jake Ruygt 1979-4-28 556 Napa .3 [0.3] miles west of Suscol Ave. on Imola Ave. Comment
  JEPS121359  Eleocharis acicularis var. acicularis Jake Ruygt 1983-4-4 1407 Napa .3 mile south of Old Bale Mill on Hwy 29 Comment
  JEPS121357  Eleocharis palustris Jake Ruygt 1991-9-14 2779 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  SEINET9358379  Eleocharis palustris Unknown 1935-6-4 35199 Napa Napa Comment
  JEPS121352  Eleocharis radicans Jake Ruygt 1986-5-4 1741 Napa Suscol Hill east of Hwy 221 Comment
  CDA10876  Elymus glaucus G. F. Hrusa, M. Rejmanek 1993-5-15 10971 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  RSA128741  Elymus glaucus P. H. Raven 1950-5-6 2010 Napa Shaded place above where the w. branch of the Napa R. Meets Rt. 29, ca. 1 mile N of Calistoga Comment
  CAS-BOT-BC203591  Elymus glaucus subsp. glaucus John H. Thomas 1955-5-21 5106 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC203599  Elymus glaucus subsp. glaucus Peter H. Raven 1957-5-5 10779 Napa Hills at western edge of Calistoga 182 Comment
  JEPS122975  Elymus glaucus subsp. glaucus Jake Ruygt 2002-5-12 4415 Napa Southwest corner of Firefly Lane and Valle Verde Drive, Napa. Quad: Napa. Comment
  JEPS122979  Elymus glaucus subsp. glaucus Jake Ruygt 1988-6-4 2212 Napa South slope Mt. St. Helena above Red Hill. Quad: Detert Reservoir. Comment
  JEPS122981  Elymus glaucus subsp. glaucus Jake Ruygt 1992-5-20 2989 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  JEPS122977  Elymus multisetus Jake Ruygt 1991-6-10 2718 Napa Cookesley Lake, Friesen's Lakes. Quad: Saint Helena. Comment
  UCD73506  Elymus multisetus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD170450  Elymus ponticus Daniel Potter; Ninh Khuu 2016-6-8 879 Napa Knoxville Wildlife Area, flat grassy area just east of Berryessa-Knoxville Road, just south of barn. 235 Comment
  UC127472  Epilobium brachycarpum Harley P. Chandler Sep 7 1906-Sep 14 1906 7121 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CAS-BOT-BC166343  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi. west of Monticello on road to [Lowerlake] Lower Lake Comment
  CAS-BOT-BC166344  Epilobium canum subsp. canum Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UC1299425  Epilobium canum subsp. canum Freed W. Hoffman 1946-8-20 850 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  CAS-BOT-BC171953  Epilobium canum subsp. latifolium Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon, Napa River Basin Comment
  UCD149606  Epilobium ciliatum 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
  JEPS129092  Epilobium foliosum Jake Ruygt 2016-4-26 6210 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  CDA11335  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena; Alongside Highway 128. Comment
  SBBG50823  Epilobium minutum G. L. Young 1974-4-13 11 Napa SW 1/4 T9N, R5W, S15 Comment
  UCD106906  Epilobium torreyi K. Esau; D. Hartmann 1941-7-17 s.n. Napa Near Middletown. Comment
  RSA97973  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach Comment
  UCD164758  Epipactis gigantea Jake Ruygt 2014-5-24 5955 Napa Sutro Ranch, Atlas Peak, junction road to Fir canyon and driveway. Comment
  CAS-BOT-BC57894  Equisetum X ferrissii Peter H. Raven 1951-10-28 3922 Napa Yountville. 60 Comment
  JEPS103963  Equisetum laevigatum Jake Ruygt 1979-4-17 519 Napa .2 mile west of Napa River on Oak Knoll Avenue 10 Comment
  UCD167068  Equisetum laevigatum Jake Ruygt 2004-7-24 4631 Napa Eticuera Creek about 1 mile south of Long Canyon Creek. Comment
  CDA34666  Eragrostis hypnoides L. Ahart 2009-10-12 16464 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
  CHSC102293  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 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
  UC1950194  Eragrostis hypnoides Barbara Ertter with Elizabeth Neese 1988-10-2 7972 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  JEPS115742  Eremocarpus setiger Lowell Ahart 2009-10-12 16438 Napa Below the high water line on Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  JEPS106940  Ericameria arborescens Jake Ruygt 1991-12-7 2849 Napa Mead Ranch, Atlas Peak Rd, ridge over Soda Canyon 554 Comment
  JEPS7802  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa near Lokoya 548 Comment
  JEPS120418  Ericameria arborescens Jake Ruygt 2010-8-21 5744 Napa Mt. St. Helena; fire road at intersection with private driveway. Comment
  JEPS106946  Erigeron foliosus var. franciscensis Jake Ruygt 1995-7-6 3512 Napa Niebaum Lane, Niebaum-Coppola Estate. 131 Comment
  CAS-BOT-BC295129  Erigeron greenei John Thomas Howell 1933-8-27 11625 Napa Sage Canyon, Napa Range Comment
  JEPS129055  Erigeron greenei Jake Ruygt 2016-10-2 6296 Napa Mead Ranch, north entrance, Atlas Pk Road. Capell Valley 7.5' Quad. Comment
  JEPS120379  Erigeron reductus var. angustatus Jake Ruygt 1996-9-14 3790 Napa east side of Soda Valley, White Cliff Comment
  SBBG14310  Eriodictyon californicum L. B. Hendrix 1962-5-5 40 Napa SE end of Lake Berryessa, just W of Monticello Dam on Rd along lake Comment
  SEINET265706  Eriodictyon californicum Royal D. Suttkus 1967-6-26 67- 30 -17 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD159950  Eriodictyon californicum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  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
  UCD49087  Eriodictyon californicum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd., ca. 0.45 'as the crow flies' miles (2,400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  RSA491730  Eriogonum dasyanthemum James L. Reveal 1987-6-7 6404 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and South of Lake Berryessa. 244 Comment
  UCD164780  Eriogonum dasyanthemum Jake Ruygt 1990-9-26 2611 Napa Northwest corner end of Wooden Valley. 307 Comment
  RSA0005059  Eriogonum latifolium var. parvulum S. G. Stokes 1933-8-27 88 Napa End of Sage Valley, Napa Mountains. Comment
  CAS-BOT-BC266053  Eriogonum luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266060  Eriogonum luteolum John Thomas Howell 1933-8-27 11653 Napa Chiles Valley, Napa Range Comment
  CAS-BOT-BC266065  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266066  Eriogonum luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266054  Eriogonum luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mountains Comment
  JEPS19661  Eriogonum luteolum W. L. Jepson 1934-10-16 16893 Napa in vineyard below Four Corners; Howell mt. Comment
  SEINET11938082  Eriogonum luteolum F. W. Hoffman 1947-1 1368 Napa Butts Cayon near Black Oak Villa Comment
  JEPS129041  Eriogonum luteolum var. luteolum Jake Ruygt 2016-6-5 6275 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UC534932  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Canyon Napa Mts., Sage Canyon Comment
  UC6529  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UCD160655  Eriogonum luteolum var. luteolum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8741 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD73451  Eriogonum luteolum var. luteolum 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
  JEPS120426  Eriogonum luteolum var. luteolum Jake Ruygt 2010-6-19 5610 i Napa End of Cedar Creek / Pocock Creek Rd. Comment
  JEPS56170  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UCD164786  Eriogonum luteolum var. luteolum Jake Ruygt 2010-6-21 5649 Napa east of White point. 652 Comment
  CAS-BOT-BC268980  Eriogonum nudum var. auriculatum John Thomas Howell 1930-7-13 5345 Napa Lower slopes of Mt. St. Helena Comment
  JEPS56601  Eriogonum nudum var. auriculatum Willis L. Jepson 1903-9-6 2348 Napa St. Helena Comment
  UC1198135  Eriogonum nudum var. nudum J. P. Tracy 1899-7-6 443 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  UCD164791  Eriogonum nudum var. nudum Jake Ruygt 2004-9-4 4662 Napa Berryessa-Knoxville Rd at Zim-Zim Creek. 225 Comment
  CAS-BOT-BC269713  Eriogonum nudum var. oblongifolium Peter H. Raven 1951-8-21 3869 Napa Ridge s.e. of Mt. Veeder 670 Comment
  CAS-BOT-BC269714  Eriogonum nudum var. oblongifolium L. R. Abrams 1916-7-2 5766 Napa Near St. Helena Sanitarium Comment
  JEPS56163  Eriogonum vimineum Willis L. Jepson 1893-9-24 Napa Angwin's Meadow Howell Mt., Angwin's Meadow Comment
  SBBG28227  Eriogonum vimineum S. G. Stokes 1933-8-27 60 Napa Sage Cyn, Napa Mtns Comment
  SBBG64230  Eriogonum vimineum S. G. Stokes 1933-8-27 81 Napa Sage Cyn, Napa Mtns Comment
  CAS-BOT-BC301047  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa On the Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  RSA92291  Eriophyllum lanatum var. achilleoides F. W. Peirson 1928-7-4 7953 Napa Summit of Mt. St. Helena grade Comment
  UC165898  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2087 Napa near Calistoga; Napa Valley 91 Comment
  UCD132199  Eriophyllum lanatum var. achilleoides Heidi E. M. Dobson 1977-6-10 264 Napa above Mt. Veeder Road. Comment
  JEPS34731  Eriophyllum latilobum W. L. Jepson 1938-5-25 18859 Napa Bell Canyon Howell Mtn., Bell Canyon 579 Comment
  UCD18170  Erodium botrys Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCR12067  Erodium brachycarpum Coleta A. Lawler 1964-3-24 11 Napa Henry Road, c. 0.5 mi. from junction with Buhman Avenue, c. 3 mi. west of Napa 8 Comment
  JEPS17445  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-4-26 14276 Napa Rutherford Comment
  JEPS14257  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-6-6 15837 Napa 5 mi. n. Napa City; Napa Valley 30 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
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  UCD160760  Eryngium castrense Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8630 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
  POM182752  Erysimum capitatum var. capitatum D. D. Keck 1931-4-2 1031 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  SEINET14045969  Erythranthe microphylla L. Constance 1938-1 2040 Napa above Wooden Valley 8 mi. ne. of Napa; e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  CAS-BOT-BC133290  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mt. St. Helena, northern Napa County, just east of the [Palasades] Palisades on old stage road Comment
  CAS-BOT-BC26158  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  JEPS61839  Erythronium helenae W. L. Jepson 1924-4-27 10376 Napa Mt. St. Helena Comment
  NY319669  Erythronium helenae E. I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  SEINET882372 Image available Erythronium helenae Elmer I. Applegate 1932-1 7037 Napa Volcanic crater region of Mount St. Helena. Comment
  SEINET882373 Image available Erythronium helenae Elmer I. Applegate 1932-1 7037 Napa Volcanic crater region of Mount St. Helena. Comment
  SEINET8397211  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens; steep northerly slope just east of the Palisades on old stage road. Comment
  CAS-BOT-BC402786  Eschscholzia caespitosa John H. Thomas 1955-5-21 5131 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC402794  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6062 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC402802  Eschscholzia caespitosa David D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  UC10038  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UCD94055  Eschscholzia caespitosa Shannon M. Still 2006-3-23 62 Napa California. Napa County: CA-128 on northern side of road in turnout. 265 Comment
  JEPS21000  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley Grade from Napa City Napa River Basin 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
  UCD95262  Eschscholzia caespitosa M. R. Wanzer 1948-5-6 18 Napa in Putah Canyon, 13 miles west of Winters. Comment
  CAS-BOT-BC403335  Eschscholzia californica L. R. Abrams 1928-5-4 12285 Napa 4 mi. south of Middletown Comment
  UC1285727  Eucalyptus viminalis W. L. Jepson 1936-6-29 17628 Napa near Rutherford (in front of house of Mrs. O. G. Freyermuth); Napa Valley Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  CDA10900  Euphorbia spathulata G. F. Hrusa, M. Rejmanek 1993-5-15 10996 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD39035  Euphorbia spathulata Beecher Crampton 1962-5-16 6435 Napa About 2 miles S of Aetna Springs, along road to Pope Valley. Comment
  UCD142488  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1218 Napa Along State Highway 128; 5.6 miles north of its junction with State Highway 37. Comment
  CAS-BOT-BC312174  Eurybia radulina Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  JEPS104523  Eurybia radulina Jake Ruygt 1996-6-24 3761 Napa Jamieson Vineyards, Jameson Canyon. 79 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
  UCD54315  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
  JEPS122916  Festuca californica Jake Ruygt 1999-7-10 4203 Napa Spring Mountain Road at York Creek Reservoir. Quad: Calistoga. Comment
  UCD149596  Festuca californica 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
  UCD149700  Festuca californica 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
  UCD65832  Festuca californica Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  CAS-BOT-BC278342  Festuca californica subsp. californica Mabel Wiesendanger 1927-5-4 700 Napa Monticello-Napa road Comment
  UC1153831  Festuca idahoensis Beecher Crampton 1956-5-25 3458 Napa head of Martley Canyon Vaca Mountains Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  UCR146181  Festuca microstachys Beecher Crampton 1961-5-22 5878 Napa Inner North Coast Ranges, Northern end of Capell Valley, along State Highway 128, above Capell Creek 213 Comment
  CAS-BOT-BC278835  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 487 Comment
  CAS-BOT-BC278836  Festuca occidentalis Peter H. Raven 1952-5-26 4052 Napa Howell Mt., (e. side) 304 Comment
  JEPS122955  Festuca perennis Jake Ruygt 1982-6-6 1310 Napa South of Suscol hill and west of Highway 29. Quad: Cuttings Wharf. Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  JEPS17497  Foeniculum vulgare Willis L. Jepson 1894-10-15 14234 Napa Napa R. Rd. near St. Helena; Napa River Basin Comment
  UCD112794  Frangula californica subsp. tomentella D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  HSC43995  Fraxinus dipetala Robert M. Specht 1977-4-11 623 Napa NE slope above Pocock Creek 512 Comment
  SEINET6694613 Image available Fraxinus dipetala Evert I. Schlinger 1952-1 69 Napa Samuel Springs, 7 miles northwest of Monticello 91 Comment
  CAS-BOT-BC223530  Fraxinus latifolia Peter H. Raven 1957-5-5 10766 Napa At western edge of Calistoga 152 Comment
  UCD122055  Fraxinus latifolia Alton Enloe 1955-5-20 37 Napa Near Putah Creek bed; State Highway 128, ca. 10 miles southwest of Monticello Dam. Comment
  CAS-BOT-BC205889  Fremontodendron californicum Peter H. Raven 1951-6-10 2936 Napa Crater Region e. of Palisades 762 Comment
  JEPS128913  Fremontodendron californicum Jake Ruygt 1976-4-25 29 Napa 23 miles north of Pope Canyon Road on Berryessa-Knoxville Road. Knoxville 7.5' Quad. Comment
  JEPS41070  Fremontodendron californicum Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9107 Napa Near summit of grade on the Knoxville-Lower Lake road, in the short panhandle of extreme northeastern Napa County 640 Comment
  SBBG50813  Fremontodendron californicum N. Miller 1973-5-5 13 Napa St Hwy 128, 5 mi N of Moskowite Corner Comment
  UC615155  Fremontodendron californicum B. O. Schreiber 1936-9-20 2354 Napa 5 miles south of Reiff, Napa County 762 Comment
  UCD116270  Fremontodendron californicum Beecher Crampton 1970-4-15 8557 Napa North end of Capell Valley, State Hwy. 128. Comment
  RSA96872  Fremontodendron californicum Percy C. Everett, E. K. Balls 1954-10-19 20370 Napa 3.9 miles NW of Knoxville on road to Lower Lake. 610 Comment
  POM258881  Fremontodendron californicum subsp. californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  UC3648  Fritillaria affinis Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  CAS-BOT-BC130073  Fritillaria affinis Ira L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga-Middletown Highway Comment
  JEPS33419  Fritillaria affinis Helen-Mar Beard and Wayne Roderick 1964-3-21 Napa 0.2 mi s of the Lake County Line (along Butts Canyon Road); Butts Canyon Road Comment
  JEPS61901  Fritillaria affinis Willis L. Jepson 1893-5-5 14823 Napa Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  UC421724  Fritillaria affinis Mrs. L. W. McArthur 1930-4-3 Napa Calistoga, Oathill Road summit Calistoga; , Oathill Road Comment
  CAS-BOT-BC130488  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa Palasades, Mayacama range, north of Calistoga Comment
  UC545850  Fritillaria recurva E. Crum 1936-3-15 1739 Napa Butt's Canyon, Pope Valley-Middletown Road Butt's Canyon; , Pope Valley-Middletown Road Comment
  CAS-BOT-BC508188  Fritillaria recurva Ira L. Wiggins 1949-4-30 12091 Napa eastern slope of Mount St. Helena near Lake County Line Comment
  POM169613  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir. St. Helena Comment
  RSA450202  Fritillaria recurva D. V. Hemphill 1949-4-16 s.n. Napa [no additional locality information] 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
  UCD23388  Galium aparine Ann Biglieri 1977-4-16 8 Napa Near Highway 128, 6.4 miles by road SSW of Monticello Dam. 182 Comment
  JEPS110562  Galium bolanderi Jake Ruygt 1981-5-6 1013 Napa Zim Zim Falls 390 Comment
  LA208416  Galium californicum John Thomas Howell; 1930-7-13 5365 Napa Near Troll House, Mt. St. Helena region Comment
  CDA6658  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John Comment
  UC527948  Galium divaricatum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6660 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD13187  Galium nuttallii J. R. Clark 1976-4-11 7 Napa Napa City, 4 mi N of junction of rds 121 and 128, along 128, upslope from road. Comment
  UCR225658B  Galium porrigens Ellen Dean, Stephen Rae 2008-5-21 4985 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  CDA10899  Galium porrigens var. porrigens G. F. Hrusa, M. Rejmanek 1993-5-15 10995 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD18071  Galium porrigens var. porrigens Ellen Dean; with Plant Biology 102 class 2000-4-22 626 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
  JEPS129075  Galium porrigens var. tenue Jake Ruygt 2016-4-2 6171 d Napa Smittle Creek NCRPOD, west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS52738  Galium porrigens var. tenue Lauramay T. Dempster 1965-5-15 4092 Napa s Knoxville; Cedar Valley 609 Comment
  UCD121930  Galium tricornutum M. Wiesendanger 1927-5-4 665 Napa Near Monticello. Comment
  UC1328139  Garrya congdonii Donald V. Hemphill 1940-3-23 63 Napa Snell Valley Snall Valley; Snell Valley 518 Comment
  SEINET8730403 Image available Garrya congdonii C. R. Bell 1952-1 1245 Napa To north of road 5.8 miles east of Pope Valley-Monticello road junction. 5 Comment
  CAS-BOT-BC144413  Garrya fremontii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC159264  Garrya veatchii John Thomas Howell 1933-8-27 11638 Napa Sage Canyon, Napa Range Comment
  JEPS122938  Gastridium phleoides Jake Ruygt 1982-5-15 1264 Napa Soda Canyon, west of the grade. Quad: Yountville. Comment
  UCD18136  Gastridium phleoides Jean Shepard; with PLB 102 class 2000-4-29 186 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD19927  Gastridium phleoides E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 782 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  JEPS71221  Gastridium ventricosum W. L. Jepson 1936-7-3 17633 Napa Four Corners Howell Mt.; Napa Range, Howell Mt. Comment
  JEPS76095  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  CDA5299  Gaura sinuata R. Barrett 1955-7-14 Napa At Christian Brothers Winery, Mt. LaSalle. 0 Comment
  UCD48038  Geranium dissectum M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 24 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 438 Comment
  CHSC102193  Geranium purpureum Barbara Ertter; Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on northeast flank of Mt. St. John, west of Rutherford in Napa Valley. Comment
  UC23451  Gilia capitata subsp. capitata Ferd. L. Clarke 1892-1 Napa near Yountville; near Yountville Comment
  HSC16982  Gilia tricolor Greg Bos 1963-3-30 51 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  UC1197914  Gilia tricolor subsp. tricolor J. P. Tracy 1902-5-17 1516 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  JEPS106572  Githopsis specularioides Jake Ruygt 1982-4-25 1201 Napa Swartz Canyon below the falls 426 Comment
  UCD47962  Githopsis specularioides Robert Wolfson; J. Westbrook, M. Disney, S. Ratay, A. Houser, S. Wathen 2000-4-22 36 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
  JEPS106908  Gnaphalium palustre Jake Ruygt 1996-6-23 3752 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  JEPS2617 Image available Gnaphalium palustre W. L. Jepson 1896-1 Napa St. Helena Napa River Basin; St. Helena, Napa River Basin Comment
  JEPS110681  Gratiola ebracteata Jake Ruygt 1993-4-12 3194 Napa Buchli Staion Rd. DFG property, near railroad tracks 3 Comment
  JEPS4235  Gratiola ebracteata W. L. Jepson 1936-5-30 17558 Napa Rutherford Napa Valley (Napa Valley) Comment
  UCR29431  Grindelia camporum Tracey Call, Viola Call 1964-6-19 2264 Napa North Coast Range, 3 mi north of Calistoga on hill 305 Comment
  CDA6087  Grindelia camporum var. parviflora H. Stabo 1960-7-13 4687 Napa St. Helena Highway, Paradise Park. 0 Comment
  CAS-BOT-BC304891  Grindelia hirsutula John Thomas Howell 1932-10-8 10806 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304899  Grindelia hirsutula Peter H. Raven 1953-10-4 6365 Napa Duttons Landing 0 Comment
  UC32140  Grindelia hirsutula Edw. L. Greene Napa St. Helena Comment
  UC32141  Grindelia hirsutula Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  RSA122889  Guillenia flavescens B. O. Schreiber 1938-4-24 2500 Napa 0.5 mile NW of Knoxville. 610 Comment
  UC1112229  Hainardia cylindrica S. Galen Smith with J. Anderson 1957-6-7 2958 Napa 1.5 mi nw of Calistoga; Myrtledale Hot Springs 121 Comment
  UCD167164  Harmonia hallii Jake Ruygt 2015-4-20 6069 Napa Fernandes/ Land Trust, Snell Peak area. 372 Comment
  CAS-BOT-BC302222  Harmonia nutans John Thomas Howell 1930-7-13 5348 Napa Edge of the Crater Country Comment
  CAS-BOT-BC302228  Harmonia nutans R. Bacigalupi 1946-3-30 2775 Napa At Milliken Dam, on mesa west of reservoir, more or less 10 miles northeast of Napa Comment
  CAS-BOT-BC302237  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mountain, near summit, 6.5 mi. N.E. of St. Helena Comment
  CAS-BOT-BC302243  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena. Northwestern Napa County 950 Comment
  CAS-BOT-BC302244  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  JEPS40057  Harmonia nutans Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UC1301042  Harmonia nutans Helen K. Sharsmith 1963-4-20 5338 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UC913106  Harmonia nutans J. Clausen 1935-5-23 1072 Napa 6.5 mi ne St. Helena (near summit); Howell Mountain Comment
  JEPS115763  Helenium puberulum Lowell Ahart 2009-10-12 16423 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
  JEPS21036  Helianthella californica subsp. californica W. L. Jepson 1904-6-3 2450 Napa Howell Mt. Comment
  JEPS33583  Helianthella californica subsp. californica W. L. Jepson 1938-5-25 18863 Napa Bell Canyon Napa Range, Howell Mtn. 579 Comment
  UCD19335  Helianthella californica var. californica M. A. Bibbo; E. Dean 2001-7-6 27 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
  CAS-BOT-BC305536  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa Chiles Valley - 1-3 miles east 304 Comment
  OBI74555  Helianthus bolanderi David J. Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill Comment
  SEINET3930499  Helianthus bracteatus David Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Road, near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  JEPS4457  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwin's Meadows Comment
  UCD170570  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 825 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  JEPS106665  Helianthus gracilentus Jake Ruygt 1983-5-29 1477 Napa .6 miles south of Lake Co. line on Berryessa-Knoxville R 643 Comment
  CAS-BOT-BC305674  Helianthus gracilentus G. L. Stebbins 1971-7-28 8052 Napa Near Hunting Creek, along road from Knoxville to Lower Lake 548 Comment
  UC1177892  Heliotropium curassavicum Peter M. Ray 1950-6-9 1844 Napa ca. 25 mi. s. Lower Lake (rd. to Monticello) Comment
  UCD161574  Heliotropium curassavicum Jake Ruygt 2006-9-5 5092 Napa Rector Creek about 4/10 mile east of Conn Creek. 36 Comment
  HSC100735  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  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
  UC1199374  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1939-10-14 16509 Napa Myrtledale Hot Springs Calistoga, Myrtledale Hot Springs 121 Comment
  CAS-BOT-BC306141  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-1-1 s.n. Napa At Calistoga Comment
  JEPS106662  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1982-6-13 1313 Napa Cedar Roughs 271 Comment
  JEPS38290  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1930-10-19 15690 Napa Pope Valley Comment
  SEINET3930506  Hemizonia congesta subsp. luzulifolia David Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UCD20508  Hemizonia congesta subsp. luzulifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1081 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
  JEPS38253  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1939-9-12 19486 Napa w St. Helena (1 mi w of summit (w side)); Spring Mtn. Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo Comment
  UCD161645  Hemizonia congesta subsp. luzulifolia Jake Ruygt 2005-10-8 4948 Napa Howell Mountain Road about 0.3 mile south of Deer Park Road. 408 Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. Comment
  POM215136  Hemizonia pungens subsp. pungens D. D. Keck 1933-11-10 2725 Napa 6 miles S of Napa. Comment
  JEPS106732  Herniaria hirsuta subsp. cinerea Jake Ruygt 1989-6-17 2369 Napa Bear Valley 643 Comment
  JEPS126105  Hesperocyparis macnabiana Jake Ruygt 1979-2-25 437 Napa Oat Hill Mine Road near Bateman Creek. Detert Reservoir 7.5' Qua. Comment
  SD62069  Hesperocyparis sargentii Darley F. Howe 1965-8-3 Napa just south of Napa-Lake County Line on State Highway #29 Comment
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  JEPS112582  Hesperolinon Jake Ruygt 1995-6-26 3508 Napa about 2 miles south of L. Hennessey on private road (Taylor) 414 Comment
  JEPS112585  Hesperolinon Jake Ruygt 1997-5-13 3852 Napa Lower Chiles Valley Road near HWY 128; Nichelini property. 298 Comment
Read comments
Jan 2 2011
  UCD110458  Hesperolinon Christopher Mallek 2008-1 KX1- 6 Napa Knoxville. 593 Comment
  CAS-BOT-BC167420  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's 396 Comment
  CAS-BOT-BC167425  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  JEPS32274  Hesperolinon bicarpellatum Jos. P. Tracy Jun 13 1899-Jun 19 1899 382 Napa Howell Mt. Comment
  JEPS88633  Hesperolinon bicarpellatum Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10800 Napa Butts Canyon Road near junction with Snell Road; North Coast Ranges 204 Comment
  POM138927  Hesperolinon bicarpellatum Katherine Brandegee 1911-6-29 s.n. Napa Butts Canyon near Aetna Springs. Comment
  UC1212361  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4143 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC163930  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 113 Napa near Aetna Springs; Butts Canyon Comment
  UCD167168  Hesperolinon bicarpellatum Jake Ruygt 2015-4-20 6074 Napa Fernandes/ Land Trust, Snell Peak area. 394 Comment
  RSA92926  Hesperolinon breweri Peter H. Raven 1951-6-26 s.n. Napa Cappell Valley. 366 Comment
  RSA92954  Hesperolinon breweri Peter H. Raven 1951-6-26 s.n. Napa Cappell Valley. 366 Comment
  CAS-BOT-BC176011  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford 152 Comment
  JEPS121521  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 231 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122783  Hesperolinon californicum Jake Ruygt 1990-5-12 2541 Napa Wooden Valley, north of Wooden Valley School. QUAD: Capell Valley. Comment
  JEPS122800  Hesperolinon californicum Jake Ruygt 2002-5-18 4418 Napa Missimer/Snell Valley Wildflower Preserve. QUAD: Aetna Springs. Comment
  UC1212437  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4074 Napa near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 289 Comment
  UC1212439  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4601 Napa s slope Conn Dam (between Rutherford and Chiles Valley); Inner North Coast Ranges 121 Comment
  CAS-BOT-BC176059  Hesperolinon clevelandii Peter H. Raven 1951-6-10 2941 Napa Crater Region e. of Palisades 762 Comment
  JEPS112587  Hesperolinon clevelandii Jake Ruygt 1992-6-22 3047 Napa northwest of vernal pool meadow, Wild Horse V. Ranch 463 Comment
  UC1212309  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4643 Napa one mi above Aetna Springs (ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  UC1212335  Hesperolinon clevelandii J. P. Tracy 1902-5-16 1489 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 457 Comment
  UCD164732  Hesperolinon clevelandii Jake Ruygt 2014-6-14 6002 Napa Ranch near Oat Hill. 619 Comment
  UCSC009031  Hesperolinon clevelandii Dylan M. Neubauer 2015-4-26 133 Napa (NCoRI) Butts Canyon Rd, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC176051  Hesperolinon clevelandii John Thomas Howell 1939-7-13 5359 Napa On the edge of the Crater Country Comment
  OBI22868  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  UC1212478  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4149 Napa ca 2 mi ne Knoxville (on Knoxville-Lower Lake road); Inner North Coast Ranges 609 Comment
  HSC43948  Hesperolinon micranthum Robert M. Specht 1977-5-14 885 Napa Above site 128, on east facing slope 503 Comment
  JEPS112653  Hesperolinon micranthum Jake Ruygt 1995-6-17 3504 Napa Butts Canyon Road at Snell Valley Road; to SE. 487 Comment
  UC1212261  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4112 Napa above Sage Creek (w side of valley); Inner North Coast Ranges, Chiles Valley 304 Comment
  JEPS6468  Hesperolinon micranthum W. L. Jepson 1944-6-15 27532 B Napa on summit of main ridge near Old Signal Station site; Napa-Solano Counties Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  UCD110537  Hesperolinon micranthum M. Ensign 1943-5-25 326 Napa 24 miles from Monticello on road to Lower Lake. Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  SEINET10939139  Heterocodon rariflorum Willis L. Jepson Jepson 17593 Napa HOWELL MTN. Comment
  UC1198754  Heteromeles arbutifolia J. P. Tracy 1899-7-4 377 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  JEPS20392  Heterotheca grandiflora W. L. Jepson 1937-9-29 18574 Napa at sandstone cliffs at bridge over Napa River (on road to St. Helena Sanitarium) Comment
  RSA785239  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake County line. Garnett Creek. Comment
  JEPS129057  Heterotheca sessiliflora subsp. echioides Jake Ruygt 1987-7-27 2085 Napa Vaca Mountains, on ridge south of Monticello Dam. Monticello Dam 7.5' Quad. Comment
  CAS-BOT-BC424162  Heuchera micrantha var. erubescens Betty H. Johnson 1958-6-20 674 Napa along old toll road about 1/2 mi. above Mt. Mill House, 6.4 mi. SW of Middleton Comment
  UC11351  Heuchera micrantha var. erubescens Willis L. Jepson 1893-5-8 Napa Howell Mt; Napa River Basin Comment
  CAS-BOT-BC55303  Hirschfeldia incana Peter H. Raven 1952-5-29 4074 Napa Napa River 1 mile north Napa. 60 Comment
  UC127131  Hoita macrostachya Harley P. Chandler Sep 7 1906-Sep 14 1906 7120 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD75825  Hoita macrostachya Jake Ruygt 2000-6-10 4274 Napa Adams Creek. 445 Comment
  JEPS106643  Holocarpha virgata Jake Ruygt 1978-8-20 398 Napa 1.6 mi.E of junct.Chiles and Pope V.Rd on Berryessa-Knox.Rd. 143 Comment
  JEPS45044  Holodiscus discolor W. L. Jepson 1923-6-3 9973 Napa south of Calistoga; Napa Valley; East side road. S. of Calistoga, Napa Valley Comment
  JEPS80610  Holozonia filipes Joe Callizo and Glenn Clifton 1981-8-13 Napa ridgetop, Los Posadas State Forest Los Posadas State Forest Comment
  SEINET11259345 Image available Holozonia filipes K. Brandegee 1910-7-26 186 Napa Near Angwin's Comment
  RSA10673  Hordeum brachyantherum C. B. Wolf 1928-5-3 1816 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD85635  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Napa Calistoga. Myrtledale Hot Springs. Comment
  UCD41315  Hordeum marinum subsp. gussoneanum Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 6 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
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Jan 14 2009
  UCD85792  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3543 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC284762  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 Napa Napa 9 Comment
  JEPS66798  Hypericum concinnum Alice King July, 1919 Napa Mt. St. Helena, Van Ness ranch Comment
  UC666677  Hypericum concinnum H. S. Reed 1938-6-11 159 Napa Napa range w. of Oakville 243 Comment
  UCD160773  Hypericum concinnum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8652 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
  CAS-BOT-BC410802  Hypericum concinnum James L. Reveal 1987-6-7 6400 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles W of Pleasant Valley Road, about 7 miles NW of Vacaville 762 Comment
  CAS-BOT-BC410808  Hypericum concinnum H. E. McMinn 1923-5-25 963 Napa Summit of Wooden Valley grade Comment
  JEPS66794  Hypericum concinnum W. L. Jepson 1904-6-3 2433 Napa Weldon Canyon Howell Mt. foothills 487 Comment
  RSA458220  Hypericum concinnum E. S. Spalding 1924-7-3 s.n. Napa St. Helena Comment
  JEPS66804  Hypericum formosum var. scouleri W. L. Jepson 1893-6-26 13963 Napa Howell Mt. Comment
  UC187748  Hypericum formosum var. scouleri Katharine Brandegee 1910-7-1 Napa Howell Mt. Comment
  UCD161291  Hypochaeris glabra Jake Ruygt 1978-5-13 304 Napa Suscol plain. (Coordinates estimated by label maker at UC Davis). 6 Comment
  CDA7485  Hypochaeris radicata H. Stabo 1960-7-13 4677 Napa 0 Comment
  POM145272  Iris Simonds 1928-05 s.n. Napa Browns Valley. Comment
  UC429167  Iris H. P. Chandler 1907-8-14 7511 Napa 4 mi n St. Helena (near Napa River) Comment
  RSA135911  Iris fernaldii Lee W. Lenz, E. K. Balls 1955-5-17 20763 Napa 7.6 miles south of Lake-Napa County line to State Highway 29, Middletown to Calistoga 442 Comment
  JEPS126027  Iris macrosiphon Jake Ruygt 1976-5-2 42 Napa 3.4 miles NE of Atlas Peak Road on Monticello Road. Mount George 7.5' Quad. Comment
  UCD160672  Iris macrosiphon Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8745 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UCR156588  Iris macrosiphon A. French 1967-5-7 36 Napa Coast Range, Oakville to Santa Rosa Rd, approx 7 mi from Oakville 457 Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  UC917188  Iris macrosiphon C. G. Baughn 1949-4-24 27 Napa 4 mi nw Cordelia (State Highway 12) Comment
  UCD166694  Iris macrosiphon Jake Ruygt 2007-4-15 5146 Napa Las Posadas State Forest, edge of upper meadow. 518 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
  JEPS129168  Isoetes howellii Jake Ruygt 2015-5-2 6086 e Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  JEPS116564  Isoetes nuttallii Jake Ruygt 2005-6-7 4908 Napa Ridge top west of Circle Oaks. Capell Valley 7.5' Quad. Comment
  UC1245416  Isoetes nuttallii Joseph P. Tracy 18659 Napa 5 mi. e. Angwin's (hills at head of Moore's Creek); Howell Mt. 518 Comment
  UC14915  Isoetes nuttallii J. P. Tracy 1902-5-19 1553 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  UC1751075  Isoetes orcuttii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2761 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  RSA1941  Juglans californica Carl B. Wolf 1930-11-3 1801 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  UC484304  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1800 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  CAS-BOT-BC102318  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  JEPS126035  Juglans hindsii Jake Ruygt 1995-5-15 3478 Napa Mt. Veeder Road south of Lokoya, Francis can Estate. Sonoma 7.5' Quad. Comment
  POM212010  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 Comment
  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
  UCD170365  Juglans hindsii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 863 Napa Knoxville Wildlife Area, along Berryessa-Knoxville Road. 240 Comment
  CDA39577  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19938 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  JEPS126037  Juncus balticus Jake Ruygt 1980-4-12 831 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  JEPS122674  Juncus capitatus Jake Ruygt 1992-5-7 2939 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  UCD166700  Juncus dubius Jake Ruygt 2010-5-31 5580 Napa Mead Ranch, in large meadow with vernal pools. 481 Comment
  JEPS126054  Juncus effusus subsp. pacificus Jake Ruygt 2010-6-21 5629 Napa Van Ness Creek at north entrance into Bear Valley. Detert Reservoir 7.5' Quad. Comment
  JEPS67117  Juncus hemiendytus Jos. P. Tracy 1902-5-18 1534 Napa Head of Moores Creek Howell Mt. 518 Comment
  JEPS126039  Juncus hemiendytus var. hemiendytus Jake Ruygt 1990-4-21 2493 Napa Mead Ranch, Atlas Peak Road. Yountville 7.5' Quad. Comment
  UC1103673  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1902-5-21 1611 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  RSA19022  Juncus occidentalis M. S. Jussel 1937-5-23 s.n. Napa Mt. St. Helena. 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
  JEPS110641  Keckiella lemmonii Jake Ruygt 1979-6-18 714 Napa Snell Valley at Snell Creek bridge 146 Comment
  UCD123880  Kickxia elatine Freed Hoffman 1947-8-1 1689 Napa Sage Canyon. 796 Comment
  UCD123886  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 miles north of Calistoga, Napa River. Comment
  CDA10910  Koeleria macrantha G. F. Hrusa, M. Rejmanek 1993-5-15 11006 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  RSA0104501  Kopsiopsis strobilacea Carl B. Wolf 1928-5-4 1855 Napa Upper slopes of Mt. St. Helena. Comment
  CDA18932  Lactuca virosa Butler, Dannenberg 2000-8-1 PDR 023555 Napa Napa Valley; Along Langtree Road, St. Helena. 0 Comment
  SEINET3071645 Image available Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
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Nov 25 2013
  UCD18061  Lagophylla minor Ellen Dean; with Plant Biology 102 class 2000-4-22 616 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  CAS-BOT-BC341432  Lagophylla minor Peter H. Raven 1951-5-6 2821 Napa Silverado Trail 3/4 mile Conn Dam 152 Comment
  RSA128654  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canyon. 305 Comment
  SBBG36845  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa bridge over Pope Crk, just S of Walters Spring; ISOTYPE: L. dichotoma subsp. minor Comment
  UCD135653  Lagophylla minor Bruce G. Baldwin 1986-4-19 600 Napa 1.0 mile east of junction with Silverado Trail along California State Highway 128. Comment
  CAS-BOT-BC341553  Lagophylla ramosissima Peter H. Raven 1951-6-26 3061 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC341554  Lagophylla ramosissima Peter H. Raven 1951-6-26 3088 Napa Cappell valley to Wooden Valley 304 Comment
  RSA3634  Lamium amplexicaule I. L. Wiggins 1932-2-12 5749 Napa Growing in orchard 1 mi. N. of town, Calistoga. Comment
  CAS-BOT-BC338267  Lasthenia californica John Thomas Howell 1926-3-27 1761 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC338271  Lasthenia californica Peter H. Raven 1950-5-6 2020 Napa Near Old Faithful Geyser n. of Calistoga 182 Comment
  UC30413  Lasthenia californica subsp. californica W. L. Jepson 1893-4-26 Napa La Lomita Napa Valley Comment
  SD70553  Lasthenia conjugens Robert Ornduff 1960-4-26 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon road. Comment
  RSA181912  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga. Comment
  UC30426  Lasthenia gracilis Willis L. Jepson 1893-5-1 Napa Napa Valley Napa River Basin, Upper Napa Valley Comment
  RSA633346  Lathyrus aphaca Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. Comment
  JEPS107273  Lathyrus hirsutus Jake Ruygt 1996-7-13 3773 Napa Angwin, near Sanitation ponds. 481 Comment
  UCD106481  Lathyrus vestitus Paul C. Hutchinson 1963-3-3 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD48895  Lathyrus vestitus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. ca. 400 ft. NNW of jct with South Decker Canyon Rd. 188 Comment
  UC1073276  Lathyrus vestitus var. vestitus George B. Rossbach 1955-2-19 328 Napa se slope Mt. St. Helena (nw Napa County) 1158 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
  CAS-BOT-BC323197  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  POM190258  Layia chrysanthemoides D. D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  CAS-BOT-BC321716  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC534371  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma County line 243 Comment
  JEPS120414  Leontodon saxatilis subsp. longirostris Jake Ruygt 2010-6-26 5654 Napa Mead Ranch, Atlas Peak Rd.; meadow east of horse corral. Comment
  CAS-BOT-BC89172  Lepidium draba Peter H. Raven 1952-5-29 4091 Napa Napa River 1 mile north of Napa. 60 Comment
  CAS-BOT-BC89767  Lepidium latipes Alice Eastwood; John Thomas Howell 1938-5-15 5521 Napa Myrtledale Hot Springs. Comment
  UCD49206  Leptosiphon androsaceus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 3 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. roadside, less than 1/4 mile NW from jct with South Decker Rd. 182 Comment
  UCD148790  Leptosiphon bicolor Ellen Dean; Diana Hickson 2014-4-29 8098 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD49216  Leptosiphon bicolor L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. E-facing slope on disturbed road cut at the top of South Decker Canyon Rd. just below jct with Decker Ridge Rd. 350 Comment
  HSC97648  Leptosiphon bicolor Gail Matson 1977-4-16 24 Napa Along Hwy. 128, 6.4 mi. SW of Monticello Dam 213 Comment
  RSA79005  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17116 Napa 4 mi N along hwy 29 from jct. of hwy 28 at Woodleaf NW of Calistoga Comment
  UCD164865  Leptosiphon bolanderi Jake Ruygt 2012-4-21 5829 Napa Crystal Flats, west of Putah Creek. 216 Comment
  UCD82052  Leptosiphon jepsonii Robin McMaster 1972-4-22 67 Napa Pope Valley. Comment
  JEPS129077  Leptosiphon parviflorus Jake Ruygt 2016-4-12 6184 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. 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
  CAS-BOT-BC324167  Lessingia hololeuca John Thomas Howell 1927-9-10 3098 Napa Near Callistoga 213 Comment
  JEPS106605  Lessingia hololeuca Jake Ruygt 1992-8-3 3115 Napa east of Spencer Creek near Solano County line 313 Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  UC33165  Lessingia ramulosa H. N. Bolander 1863-1 2617 Napa Pope Valley Comment
  RSA22231  Lessingia ramulosa G. Ledyard Stebbins 1936-9-19 2081 Napa About 5 miles northeast of Knoxville Comment
  JEPS112614  Lewisia rediviva Jake Ruygt 1991-5-11 2670 Napa Little Bear Valley, north of Sugarloaf Mountain 694 Comment
  UC1198370  Lewisia rediviva Joseph P. Tracy 1902-5-21 1592 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 335 Comment
  CAS-BOT-BC444419  Lewisia rediviva Colleena Stewart 1918-4-29 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC451587  Lilaea scilloides Peter H. Raven 1953-5-2 5364 Napa East of Yountville 76 Comment
  JEPS113970  Lilium rubescens Jake Ruygt 1979-6-18 702 Napa 1 mile west of Highway 29 on Diamond Mountain Road. Calistoga 7.5' Quad. Comment
  SEINET9312801  Limnanthes Unknown 1967-4-1 48407 Napa Napa Comment
  JEPS19595  Limnanthes douglasii Hilda Gehringer 1920-4-1 Napa Capell Valley Comment
  JEPS112542  Limnanthes douglasii subsp. douglasii Jake Ruygt 1995-4-19 3438 Napa 1.35 miles north of Coombsville Road on First Avenue 39 Comment
  UC971836  Limnanthes douglasii subsp. douglasii Annetta Carter 1942-4-19 1667 Napa 3.3 mi s Napa Comment
  JEPS112563  Limnanthes douglasii subsp. nivea Jake Ruygt 1996-4-11 3594 Napa Calistoga Airport 105 Comment
  UC1593390  Limnanthes douglasii subsp. nivea R. Ornduff 1966-4-21 6880 Napa 4.4 mi se Calistoga (pasture along Hwy 29, in ephemeral stream) Comment
  UC1277987  Linanthus acicularis B. Crampton 1957-6-4 4093 Napa n end Capell Valley (above Capell Creek); , Capell Creek Comment
  UC133860  Linanthus androsaceus Brannan 1870-1 Napa Comment
  UCD15045  Linanthus bicolor Gail Matson 1977-4-16 24 Napa California, Napa Co.; along Highway 128, 6.4 miles SW of Monticello Dam; Comment
  JEPS110998  Linanthus bolanderi Jake Ruygt 2005-5-11 4835 Napa a ridge S of Bear Valley, E of Cub Valley 701 Comment
  JEPS110978  Linanthus ciliatus Jake Ruygt 1980-5-13 888 Napa Mt. St. John, Campbell Flat 316 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
  UC907816  Linanthus dichotomus Herbert L. Mason 1933-4-30 7230 Napa near Aetna Springs Comment
  UCD118645  Linanthus dichotomus R. L. Smith 1948-5-7 s.n. Napa East branch of Monticello Valley, about 3 miles E of Samuel Springs. Comment
  HSC58977  Linanthus dichotomus subsp. meridianus G. E. Johnston 1974-4-4 1024 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  POM182740  Linanthus dichotomus subsp. meridianus D. D. Keck 1931-4-2 1044 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  SEINET7075539  Linanthus grandiflorus A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
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Jul 19 2018
  JEPS85050  Linanthus parviflorus Larry Heckard and Mary Ashton 1969-5-3 2214 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the n meadow) 510 Comment
  RSA0062955  Linanthus parviflorus H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  UC1301143  Linanthus parviflorus Helen K. Sharsmith 1963-4-20 5332 Napa 4 mi s Napa (off of Kelly Road); San Francisco Bay Region 45 Comment
  UC188469  Linanthus parviflorus C. F. Sonne Apr 1896 Napa Napa Valley Comment
  UC908784  Linanthus parviflorus A. E. Borell 1928-4-13 112 Napa 6 mi nw Calistoga Comment
  JEPS58547  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS110672  Lindernia anagallidea Jake Ruygt 1991-6-29 2742 Napa Doe Lake, Friesen's Lakes, Angwin 585 Comment
  CHSC4451  Lithocarpus densiflorus J. Potter 1967-6-26 312 Napa On Forest Service road to top of Mt. St. Helena, 1/4 mi. up from its beginning on State Hwy 29. 914 Comment
  UC1135273  Lithocarpus densiflorus R. W. Lundh 1933-7-14 256 Napa 0.5 mi ne McCormack Ranch; Napa Quad. 426 Comment
  CDA10843  Lithophragma affine G. F. Hrusa, G. L. Stebbins 1994-4-18 11780 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 457 Comment
  UCD102707  Lithophragma affine L. P. Thibault 1995-5-21 47 Napa Napa County, South side of Hwy 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  UCD102709  Lithophragma affine M. Wiesendanger 1928-4-5 861 Napa Monticello-Napa Road. Comment
  UCD49253  Lithophragma affine Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 182 Comment
  CAS-BOT-BC430977  Lithophragma bolanderi Mrs. Clara Hunt 1921-4-21 s.n. Napa St. Helena Comment
  CDA12071  Lithophragma heterophyllum G. F. Hrusa, J. Messina 1989-3-3 5876 Napa North Coast Biodiversity Arena; Hwy. 128 W of Monticello Dam (Lake Berryessa). Comment
  RSA10663  Lithophragma heterophyllum Carl B. Wolf 1928-5-3 1826 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS85028  Lithophragma parviflorum Larry Heckard and Mary Ashton 1969-5-3 2211 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 Comment
  CAS-BOT-BC342438  Logfia gallica John H. Thomas 1955-5-21 5138 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC342440  Logfia gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville 152 Comment
  SEINET10592043  Lolium temulentum A. S. Hitchcock 1902-4-15 Hitchcock 5365 Napa Near Napa. Comment
  CDA11598  Lomatium californicum G. F. Hrusa, S. Larson 1995-4-1 12056 Napa North Coast Biodiversity Arena; Chiles-Pope Valley Rd., approx. 2 m. above Lake Hennessey. 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
  SBBG59694  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  SEINET2159284  Lomatium ciliolatum var. hooveri W. H. Whaley 2007-1 s.n. Napa Aetna Springs area. Comment
  UCD19955  Lomatium dasycarpum E. A. Dean; Virginia Boucher 2002-2-28 904 Napa Quail Ridge Reserve. Along upper trail, north of stock pond near Quail Ridge tip. 0.25 airline miles NE of junction with West Rd. 304 Comment
  UCD47851  Lomatium dasycarpum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 11 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UC1301124  Lomatium dasycarpum subsp. dasycarpum Helen K. Sharsmith 1963-3-17 5228 Napa s. side Mt. Atlas; San Francisco Bay Region, Mt. Atlas 609 Comment
  UC176029  Lomatium dasycarpum subsp. dasycarpum H. P. Chandler 1907-5-12 7568 Napa St. Helena, White Sulphur Spring Comment
  UCD47852  Lomatium dasycarpum subsp. dasycarpum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 7 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 518 Comment
  JEPS17139  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1893-4-28 14304 Napa hills e. Napa Comment
  UC1563884  Lomatium hooveri Barbara Ertter with Annetta Carter 1989-5-28 8507 Napa Near Knoxville (2 mi. s.e. of Lake Co. line on Berryessa Rd., hills s. of rd.); extreme n. Napa Co. 609 Comment
  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
  RSA3281A  Lomatium marginatum var. purpureum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  RSA452596  Lomatium marginatum var. purpureum J. T. Howell 1931-4-19 6466 Napa Conn Valley (region of type locality) Comment
  UCD161354  Lomatium marginatum var. purpureum Jake Ruygt 1987-5-23 2009 Napa North end of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 441 Comment
  UC21241  Lomatium nudicaule Willis L. Jepson 1894-5-1 Napa Napa R. Basin, Conn Valley Comment
  JEPS104550  Lomatium repostum Jake Ruygt 1991-4-20 2626 Napa Friesen's Lakes, near Deer lake 597 Comment
  JEPS15831  Lomatium repostum W. L. Jepson 1892-3-25 14308 Napa summit Vaca Mts. Comment
  SEINET11130159  Lomatium repostum D. H. French 1968-4-20 2861 Napa Mount St. Helena, above fire access road, ca 0.5 mile above monument for R.L. Stevenson's former cabin. Comment
  UC1197143  Lomatium utriculatum Joseph P. Tracy 1904-5-23 2084 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UC176034  Lomatium utriculatum H. P. Chandler 1907-5-19 7574 Napa St. Helena, White Sulphur Spring Comment
  UC2043152  Lomatium utriculatum Barbara Ertter with Jake Ruygt and John Game 1995-4-9 13979 Napa The Palisades Area of Mt. St. Helena NNE of Calistoga, E of Highway 29. Comment
  UC663017  Lomatium utriculatum Basil Bowers 1941-6-18 381 Napa e. Calistoga (near summit of old mines rd., Palisades); Palisades 762 Comment
  UCD14926  Lomatium utriculatum Craig Homan 1977-4-8 3 Napa 12 miles southwest of the town of Winters along Highway 128. Comment
  UCD16040  Lomatium utriculatum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 20 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7'' N, 122 deg. 20' 22.4'' W; 396 m. Comment
  JEPS104512  Lomatium vaginatum Jake Ruygt 1987-5-16 1999 Napa Devil's Canyon 588 Comment
  JEPS104515  Lomatium vaginatum Jake Ruygt 1998-5-30 4003 Napa Table Rock 749 Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  CAS-BOT-BC198589  Lotus John H. Thomas 1955-5-21 5176 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 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
  RSA3633  Lotus humistratus I. L. Wiggins 1932-3-12 5764 Napa Hillside between Calistoga and Franz Valley. Comment
  UC75218  Lotus humistratus C. F. Baker 1903-4-20 2605 Napa Mt. St. Helena Comment
  JEPS65171  Lotus micranthus W. L. Jepson 1938-5-25 18855 Napa outside Bell Canyon Howell Mountain 579 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
  JEPS107201  Lotus strigosus Jake Ruygt 1996-4-6 3560 Napa East end of Rector Reservoir. 152 Comment
  UCD78328  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-10-4 05- 35 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 98 Comment
  JEPS122705  Lupinus affinis Jake Ruygt 2005-3-28 4720 Napa Monticello Road, near large road cut, south of Circle Oaks. Quad: Capell Valley. Comment
  UC1217066  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa along the road to Pope Valley 2 mi above St. Helena Sanitarium; rd to Pope Valley Comment
  UC127019  Lupinus albifrons Willis L. Jepson 1893-5-4 Napa just above Toll-house, Mt. St. Helena (Mt. St. Helena); Napa River Basin, Mt. St. Helena Comment
  UCD105922  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD148812  Lupinus albifrons Ellen Dean; Diana Hickson 2014-4-29 8119 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  SEINET197847  Lupinus albifrons Mrs. H. P. Bracrlin 1930-3-29 5 m-3'30 Napa N.W. flaubs of Int. Yanger. Uprn Firddes abouth 1M. Prigles Comment
  CAS-BOT-BC196279  Lupinus albifrons var. eminens John Thomas Howell 1926-3-20 1695 Napa Old toll road about 1 1/2 miles from highway; se. of Mt. St. Helena Comment
  JEPS107236  Lupinus bicolor Jake Ruygt 1996-4-6 3557 Napa near southeast end of Rector Reservoir. 134 Comment
  JEPS85042  Lupinus bicolor Larry Heckard, Mary Ashton 1969-5-3 2192 Napa off the Atlas Peak Rd. ca 7 mi ne Napa (Mead Ranch); ne of Napa 457 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
  UC1300887  Lupinus bicolor Helen K. Sharsmith 1963-3-17 5229 Napa along Silverado Trail; San Francisco Bay Region, along Silverado Trail 76 Comment
  UCD16030  Lupinus bicolor N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 18 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-3 dm tall, flowers dark purple/blue. Comment
  UC15865  Lupinus formosus Willis L. Jepson 1893-1 Napa Napa River Basin, near Oakville Comment
  SEINET10490750  Lupinus formosus var. formosus Donald E. Bright 1962-6-9 Bright 264 Napa Roadside, 5 mi n of calistoga, along highway 29. Comment
  UCD107994  Lupinus latifolius D. E. Breedlove 1963-5-29 5053 Napa 4 miles S of Pope Valley. Comment
  RSA10670  Lupinus latifolius subsp. latifolius Carl B. Wolf 1928-5-3 1819 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SEINET10490794  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 Jones UMO 71601 Napa Comment
  UC15892  Lupinus latifolius var. latifolius W. L. Jepson June 1891 Napa Vaca Mts. Comment
  JEPS107218  Lupinus microcarpus var. densiflorus Jake Ruygt 1980-4-22 838 Napa 1.3 miles east of Pope Valley Middle Rd. on Pope Canyon Rd. 187 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
  JEPS108046  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Road. Comment
  RSA659035  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1419 Napa Ca 1218 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Rd. Comment
  OBI48334  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  UCD108640  Lupinus microcarpus var. densiflorus J. K. Clark 1966-5-11 26 Napa 8 miles south of Knoxville on Knoxville-Berryessa road. Comment
  SEINET11548759  Lupinus nanus Heather Schneider, Sharma, Manju 2015-1 621- 20150426 -1V Napa Quail Ridge Reserve; about 6 miles NE of Vacaville 226 Comment
  UCD109259  Lupinus nanus G. L. Webster 1967-3-23 7492 Napa ca. 1 mi. S of Spanish Flat. 167 Comment
  JEPS65366  Lupinus nanus W. L. Jepson 1900-3-10 536 Napa Howell Mt.; Howell Mt., Crystal Springs Comment
  UCD109255  Lupinus nanus J. M. Tucker; Charles Lamoureux, June McCaskill 1957-4-7 3289 Napa beside 'Silverado Trail', ca. 7.5 miles north of St. Helena, east side of Napa Valley. Comment
  UCD109266  Lupinus nanus Collector Unknown Date Unknown s.n. Napa Exact location unknown. Comment
  SBBG3708  Lupinus sericatus H. and M. Dearing 1939-5-5 3276 Napa Mt Saint Helena Comment
  UCD16043  Lupinus succulentus R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 12 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, east facing slope. Annual herb, 1.5-2 dm tall, flowers purple. Comment
  SEINET7072776  Luzula comosa A. G. Vestal 1963-5-12 s.n. Napa High point on Spring Mountain Road above Saint Helena. Coordinate datum: WGS84/NAD83. (38? deg. 31' 15" North Latitude, -122? deg. 32' 3" West Longitude, UTM Zone 10, 540614mE, 4263487mN. Coordinate datum: NAD 27.) 549 Comment
  UCD95924  Luzula comosa Ellen Dean; with Clare Loughran 2011-5-20 7057 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UC127121  Madia elegans Harley P. Chandler Sep 7 1906-Sep 14 1906 7131 Napa Howell Mountain Alta Loma Ranch 487 Comment
  JEPS7382  Madia elegans Willis L. Jepson Aug 1892 Napa Napa Valley Comment
  UCD161749  Madia elegans Jake Ruygt 1995-6-5 3489 Napa about 2 miles south of Lake Hennessey on private road (Taylor). 408 Comment
  UCD63148  Madia elegans Jake Ruygt 1996-4-6 3553 Napa near ridgetop, south of Rector Dam. 228 Comment
  CAS-BOT-BC344447  Madia exigua David D. Keck 1933-5-29 2357 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS38334  Madia exigua W. L. Jepson 1936-5-29 17549 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD111672  Madia exigua Christopher Mallek 2007-5-13 s.n. Napa Knoxville. 593 Comment
  UC527942  Madia exigua R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6661 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  CAS-BOT-BC343199  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  POM53357  Madia nutans W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin, Wooden Valley Grade Comment
  CAS-BOT-BC345050  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  CAS-BOT-BC345056  Madia sativa John Thomas Howell 1932-9-17 10759 Napa 3 miles west of Napa Comment
  JEPS40385  Madia sativa W. L. Jepson 1936-6-1 17598 Napa Howell Mt. Napa Range 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
  JEPS129034  Malacothrix floccifera Jake Ruygt 2016-5-14 6255 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  JEPS36779  Malacothrix floccifera Willis L. Jepson 1894-5-1 Napa red ridge opposite mouth of Conn Valley; Napa River Basin Comment
  UC527941  Malacothrix floccifera R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6677 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UCD116603  Malva nicaeensis David Lawfer 1952-4-28 153 Napa Napa. Comment
  JEPS122762  Malva sylvestris Jake Ruygt 2010-3-4 5476 Napa Highway 29 near Napa Junction Road. Quad: Cuttings Wharf. Comment
  JEPS106388  Marah fabacea Jake Ruygt 1986-3-22 1667 Napa Vaca Mountains east of Markley Cove 316 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
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  RSA10654  Marah oregana C. B. Wolf 1928-5-3 1835 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCD48877  Marah watsonii Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along S. Decker Canyon Rd. just S of jct with Cut-Off Rd. 228 Comment
  JEPS129146  Marrubium vulgare Jake Ruygt 1978-5-4 287 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. Comment
  UCD33656  Medicago arabica Beecher Crampton 1971-5-19 8714 Napa Napa County, 3 miles south of Moskowite corner. Comment
  CHSC25141  Medicago polymorpha J. E. Beitler 1970-4-19 29 Napa St. Helena. Found ca. 25 yards W of York Creek bridge on York Lane 3 ft. in from N. side of the road. Comment
  JEPS65508  Medicago polymorpha W. L. Jepson 1924-4-6 10324 Napa near mouth of Conn Creek (near St. Helena); Napa Valley Comment
  CAS-BOT-BC269415  Melica californica California Academy of Sciences 1870-5-2 s.n. Napa Oakville Comment
  CAS-BOT-BC269416  Melica californica California Academy of Sciences 1870-5-1 s.n. Napa Oakville Comment
  SACT001486  Melica californica John Willoughby 1975-5-25 Napa collected along BLM road which intersects Morgan Valley Road North of Knoxville and heads southwest to Cedar Valley Comment
  UC187220  Melica californica J. P. Tracy 1902-5-21 1579 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 457 Comment
  UCD87007  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  CAS-BOT-BC282166  Melica geyeri J. P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles E of Angwin's 396 Comment
  JEPS122952  Melica geyeri Jake Ruygt 1986-5-10 1764 Napa Devil's Canyon. Quad: Mt. Sonoma. Comment
  POM263002  Melica geyeri J. C. Roos 1939-5-12 317 Napa Angwin, Howell Mtn., Napa Range. Comment
  UCD87302  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St. Helena Grade. Comment
  UCD96193  Melica geyeri Ellen Dean; with Clare Loughran 2011-5-20 7074 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  CAS-BOT-BC264212  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CAS-BOT-BC264218  Melica torreyana D. H. Esplin; Bolander 1969-4-30 19 Napa Pope Valley near Lake Berryessa 121 Comment
  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
  RSA10131  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 396 Comment
  UC421629  Melica torreyana Alice Eastwood 1922-5-4 11247 Napa Calistoga Comment
  UCD117786  Melica torreyana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD149682  Melica torreyana Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD163272  Melica torreyana D. Slakey; CNPS Volunteers 2015-4-25 117 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCD18072  Melica torreyana Ellen Dean; with Plant Biology 102 class 2000-4-22 627 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
  UCD36953  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  JEPS65546  Melilotus albus W. L. Jepson 1894-11-5 13602 Napa river bed above St. Helena Comment
  UC126552  Melissa officinalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7107 Napa Alta Loma Ranch, Howell Mt. Howell Mt., Alta Loma Ranch 487 Comment
  JEPS115749  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters 134 Comment
  UCD20708  Mentha pulegium Mark Bibbo 2002-7-28 78 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  UCD73516  Mentha pulegium Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS112571  Mentzelia laevicaulis var. laevicaulis Jake Ruygt 1997-7-5 3870 Napa White Cliff Springs east of Soda Valley Comment
  JEPS42847  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1930-10-19 15685 Napa Napa Valley Comment
  JEPS122765  Mentzelia micrantha Jake Ruygt 2005-5-14 4841 Napa Ridge on west side of the mouth of Long Canyon. Quad: Knoxville. Comment
  CAS-BOT-BC428858  Micranthes californica Alice Eastwood 1922-3-25 11093 Napa Calistoga Comment
  CAS-BOT-BC428852  Micranthes californica Peter H. Raven 1953-4-2 5295 Napa Tulucay Creek 243 Comment
  UCD18173  Micropus californicus 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
  CAS-BOT-BC348547  Micropus californicus var. californicus Carl B. Wolf 1928-5-3 1797 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  SEINET200984  Micropus californicus var. californicus J. P. Tracy 1902-5-14 1442 Napa Howell Mountain Grade near St. Helena 305 Comment
  UC1301043  Micropus californicus var. californicus Helen K. Sharsmith 1963-4-20 5347 Napa on Monticello Road San Francisco Bay Region, southwest slope of Napa Range 152 Comment
  JEPS106893  Microseris douglasii subsp. douglasii Jake Ruygt 1997-4-28 3837 Napa East of Highway 29, south of Kelley Road; American Canyon. Cuttings Wharf 7.5' Quad. 21 Comment
  JEPS36215  Microseris douglasii subsp. douglasii W. L. Jepson 1924-5-8 10418 Napa Chiles Valley Comment
  UC166819  Microseris douglasii subsp. douglasii J. P. Tracy 1902-5-15 1458 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  JEPS4734  Mimulus angustatus E. V. Ferguson 1920-5-15 351 Napa Howell Mountain Comment
  UC1103336  Mimulus angustatus Joseph P. Tracy 1933-4-30 12104 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC1746034  Mimulus angustatus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2764 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS11430  Mimulus arvensis Willis L. Jepson 1893-4-25 11 m Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, Hoods Peak Range Comment
  JEPS10220  Mimulus aurantiacus var. aurantiacus Willis L. Jepson 1893-4-28 78 m Napa near Mt. George (Wooden Valley grade); Napa River Basin, Napa Mts. Comment
  UC445123  Mimulus aurantiacus var. aurantiacus C. F. Sonne April 1887 604 Napa near Vallejo; White Sulphur Springs Comment
  UC796465  Mimulus aurantiacus var. aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa about 1.5 mi from Calistoga (along old toll road between Calistoga and Middletown) Comment
  UC1778561 Image available Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. Lat corrected from 35 655 Comment
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Jul 14 2006
  UCD122427  Mimulus bolanderi S. E. Schoenig 1998-6-3 98- 20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. 655 Comment
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Apr 20 2017
  UCD122512  Mimulus cardinalis D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  JEPS110583  Mimulus congdonii Jake Ruygt 1990-4-1 2449 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  CDA41801  Mimulus guttatus Rachel Curtis 1995-5-6 14 Napa Approximately 7.0 miles east of Silverado Trail Rd. Comment
  SEINET7041071  Mimulus guttatus Christopher T. Ivey 2002-4-30 362 Napa Along margins of Smittle Creek near Lake Berryessa in the Smittle Creek Recreation Area, 8.6 mile north of Highway 128 on Knoxville-Berryessa Road. Comment
  UC886248  Mimulus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  JEPS110610  Mimulus layneae Jake Ruygt 1992-5-15 2958 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
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Nov 11 2011
  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
  UC614484  Mimulus microphyllus L. Constance 1938-3-27 2040 Napa above Wooden Valley (8 mi ne of Napa, e slope of mountains); Coast Ranges, Howell Mountains 457 Comment
  UC103809  Mimulus nasutus C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena; ; Mt. St. Helena, Napa Co. Comment
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Jun 25 2013
  UC725781  Mimulus nasutus A. A. Heller 1940-4-22 15545 Napa Knight's Valley Comment
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Jun 25 2013
  UCD96581  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-29 851 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  UC1778537  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa Vernal pool 15 meters E of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine site.Lat corrected from 35 426 Comment
  SEINET7075537  Minuartia douglasii A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCD169787  Minuartia douglasii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 795 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCSB1839  Minuartia douglasii Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek; about 3 miles east of Chiles Valley 304 Comment
  UCD161539  Minuartia douglasii Jake Ruygt 1992-4-10 2899 Napa Wild Horse Valley Ranch east of south lake. 463 Comment
  CAS-BOT-BC220617  Monardella villosa Peter H. Raven 1952-5-31 4134 Napa Summit of hills s.w. of Rector Canon [Canyon] 304 Comment
  CAS-BOT-BC220692  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC220698  Monardella viridis John Thomas Howell 1941-6-21 16319 Napa Hills sw. of St. Helena Comment
  UCD170469  Monardella viridis Daniel Potter; Ninh Khuu 2016-6-18 898 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  POM70262  Monardella viridis W. J. Nicholas 1901-7-6 s.n. Napa St. Helena. Comment
  JEPS55474  Monardella viridis subsp. viridis W. L. Jepson 1894-10-13 70 e Napa Upper Conn Valley Comment
  SEINET10582240  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 368 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  CAS-BOT-BC444849  Montia fontana Peter H. Raven 1953-3-29 5212 Napa 2 mi. s. of Calistoga 106 Comment
  CAS-BOT-BC444852  Montia fontana John Thomas Howell 1926-3-21 1743 Napa Near Palisade Mine, n. Napa Valley Comment
  UCD23397  Montia perfoliata Julia Knorr 1977-4-16 5 Napa White and purple flowers. Foothill woodland, N facing slope, full shade. 6.4 miles W from Monticello Dam on Highway 128. Comment
  JEPS120375  Morus alba Jake Ruygt 1989-9-25 2412 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  UCD19937  Myriophyllum sibiricum E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 795 Napa Quail Ridge Reserve. Gorwing along margin of Lake Berryessa. 121 Comment
  UC187243  Nassella cernua Joseph P. Tracy 1904-5-23 2096 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  CAS-BOT-BC259963  Nassella lepida John H. Thomas 1955-5-21 5105 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC259964  Nassella lepida Peter H. Raven 1951-6-26 3053 Napa Wooden Valley Grade 304 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
  UCD87897  Nassella lepida Jack Maze 1964-3-8 49 Napa 3 miles southwest of Monticello Dam, State Highway 128. Comment
  CAS-BOT-BC260183  Nassella pulchra David D. Keck 1931-4-2 1004 Napa Foot of Wooden Valley grade, 4 miles NE of Napa 50 Comment
  SEINET7073049  Nassella pulchra A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UC1011036  Nassella pulchra Milo S. Baker 1936-4-8 8171 Napa on Monticello Hwy 5 mi from Napa Comment
  CAS-BOT-BC60337  Nasturtium officinale Doris K. Kildale 1928-5-8 5053 Napa 0.5 mile from Napa-Solano county line. On road to Vacaville. Comment
  JEPS70314  Navarretia heterodoxa Willis L. Jepson 1893-6-24 20960 Napa ne of Napa (grade to Napa Soda Springs); Napa River Basin 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
  UCD167185  Navarretia jepsonii Jake Ruygt 1996-5-31 3723 Napa South of James Circle road and Butts Canyon Road, Pope Valley. 204 Comment
  JEPS120359  Navarretia leucocephala subsp. leucocephala Jake Ruygt 1978-5-14 306 Napa 0.3 miles south of Oak Knoll Ave. on Silverado Trail. Napa 7.5' Quad. Comment
  POM64976  Navarretia mellita Katherine Brandegee 1910-7-26 s.n. Napa Pope Valley Comment
  UCD167189  Navarretia mellita Jake Ruygt 2010-6-10 5607 x Napa About 1/2 mile north of Mays Flat on top of Blue Ridge. 737 Comment
  SEINET4673690  Navarretia paradoxinota David Gowen 2009-6-15 1062 Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve.; 0 Comment
  CAS-BOT-BC232672  Navarretia pubescens Edward Lee Greene 1881-6-30 s.n. Napa Calistoga Comment
  UC1051755  Navarretia pubescens Helen K. Sharsmith 1953-6-15 4184 Napa se slope Capell Valley (just w of junction of Capell Valley and Monticello roads); Inner North Coast Ranges, Capell Valley 274 Comment
  UCD59442  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Markley Canyon, Vaca Mountains. Hwy. 128. Comment
  JEPS123301  Navarretia rosulata David Gowen with Joe Callizo, Dick O'Donnell 2009-7-6 1080 Napa Cedar Roughs. 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
  JEPS120357  Navarretia viscidula Jake Ruygt 1991-8-5 2825 Napa Rutherford Hill Lane. Rutherford 7.5' Quad. Comment
  JEPS106577  Nemacladus capillaris Jake Ruygt 1992-6-13 3034 Napa Bear Valley, on road, west of creek 633 Comment
  UCD75835  Nemacladus capillaris Jake Ruygt 2005-6-1 4895 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  JEPS106579  Nemacladus montanus Jake Ruygt 1998-5-25 3999 Napa Capell Canyon 188 Comment
  JEPS5479  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge; ne Napa County Comment
  UC545816  Nemacladus montanus Herbert L. Mason 1935-5-30 10000 Napa 4 mi n Knoxville Mines Comment
  JEPS5480  Nemacladus montanus M. S. Jussel 1901-6-1 Napa Napa Comment
  SEINET10873472  Nemacladus montanus Jussell 1920-5-4 JUSSELL s.n. Napa Napa Comment
  JEPS110863  Nemophila heterophylla Jake Ruygt 1981-4-4 966 Napa Bell Canyon 353 Comment
  UC131501  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena Comment
  UCD49091  Nemophila heterophylla S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 26 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  POM65290  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena. Comment
  UCD120003  Nemophila heterophylla D. H. Hartmann 1942-3-7 s.n. Napa In meadow of Green Valley. Comment
  SFV12280  Nemophila menziesii L. Chang 1965-3-19 3 Napa Field besied Dollarhide Road, about 3-4 miles east of Pope Valley. 150 Comment
  UCD170201  Nemophila menziesii Daniel Potter 2015-3-14 756 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 242 Comment
  UCR267439  Nemophila menziesii Stephen P. Rae, Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, c. 1 km west of Anguin; McCrane property 526 Comment
  UC1031220  Nemophila menziesii Rolf Y. Berg 1954-4-8 Napa Highway 128 two mi s of e Monticello; s of e of Monticello Comment
  UC24248  Nemophila menziesii Willis L. Jepson 1893-4-26 Napa Yountville , Yountville (Napa River Basin) Comment
  UCD23406  Nemophila menziesii Fumi Takeda 1977-4-4 1 Napa Flower blue but fades when mature. Highway 128, 6.4 miles southwest of Monticello Dam. Open foothill woodland. Moist, coarse clay soil. 182 Comment
  UCR12042  Nemophila menziesii var. atomaria Coleta A. Lawler 1970-1 253 Napa North Coast Range, Chiles-Pope Road, 3.3 mi. south of Pope Valley 198 Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  JEPS110845  Nemophila menziesii var. menziesii Jake Ruygt 1994-4-16 3352 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  JEPS110847  Nemophila menziesii var. menziesii Jake Ruygt 1982-2-16 1101 Napa .3 mile north of Chimney Golf Course on Silverado Trail 20 Comment
  RSA201829  Nemophila menziesii var. menziesii Gary W. Elmstrom 1965-3-19 8 Napa Open meadow along Dollarhide Road, 3.5 miles east of Pope Valley. Comment
  UCD118354  Nemophila menziesii var. menziesii Reed Crane; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, on Recreation flat. 387 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
  RSA195363  Nemophila menziesii var. menziesii Gilbert Muth 1967-3-5 534 Napa Snell Valley. 213 Comment
  UC126921  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  JEPS122702  Nerium oleander Jake Ruygt 2002-10-8 4463 Napa Berryessa-Knoxville Road at the outflow of Smittle Creek in the lake. Quad: Chiles Valley. Comment
  SD58155  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  UCD126688  Nicotiana acuminata var. multiflora J. M. Tucker; C. H. Lamoureux 1958-6-8 3404 Napa beside State Highway 128, 2.7 miles northeast of Rutherford. Comment
  POM180778  Nicotiana bigelovii J. T. Howell 1930-9-19 5601 Napa Conn Creek near entrance of Sage Canyon, Napa Valley. 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
  JEPS104517  Oenanthe sarmentosa Jake Ruygt 1981-7-20 1069 Napa Fagan's Marsh 1 Comment
  JEPS110569  Orobanche bulbosa Jake Ruygt 1986-6-14 1824 Napa Craters; canyon at head of Table Rock 707 Comment
  UCD167255  Orobanche bulbosa Jake Ruygt 1987-5-9 1978 Napa 3.9 miles east of Atlas Peak Road on Monticello Road. 396 Comment
  CDA42041  Orobanche fasciculata D. Irving Grover 1965-6-1 s.n. Napa Howell Mountain area. 0 Comment
  JEPS110567  Orobanche valida subsp. howellii Jake Ruygt 1986-6-14 1823 Napa Craters, canyon at head of Table Rock 707 Comment
  RSA10689  Orthocarpus attenuatus Carl B. Wolf 1928-5-3 1798 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SEINET4854296  Orthocarpus lacerus Carl F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  RSA195370  Orthocarpus purpurascens Gilbert Muth 1967-4-16 634 Napa Snell Valley. 183 Comment
  UCD160568  Osmorhiza berteroi G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  CDA11434  Osmorhiza chilensis G. F. Hrusa, M. Tu 1995-5-6 12157 Napa North Coast Biodiversity Arena; Along Moores Creek, Las Posadas State Forest. Comment
  UC1177078  Oxalis articulata subsp. rubra Peter H. Raven 1951-5-6 2832 Napa St. Helena 91 Comment
  UCD149713  Oxalis micrantha Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD167259  Oxalis micrantha Jake Ruygt 2000-4-12 4230 Napa Silverado Trail at Deer Park Road. 68 Comment
  UC221396  Packera clevelandii H. M. Hall 1923-10-14 11943 Napa 8 mi n Pope Valley Comment
  CAS-BOT-BC316937  Packera greenei R. C. Bacigalupi; R. S. Ferris; I. L. Wiggins 1933-6-2 6683 Napa Butt's Canyon, 10 mi. N of Howell, Mtn. Comment
  CAS-BOT-BC316943  Packera greenei Robert Francis Hoover 1966-5-28 9878 Napa just south of summit on Butts Canyon Road from Pope Valley Comment
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  CAS-BOT-BC316944  Packera greenei Mrs. H. C. Cantelow 1934-5-30 550 Napa Mt. St. Helena Comment
  SEINET11807295  Packera greenei F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -330 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UC187240  Panicum acuminatum var. acuminatum Joseph P. Tracy 1905-7-8 2234 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  JEPS122959  Parapholis incurva Jake Ruygt 1993-5-8 3252 Napa South of Fagan Slough near edge of Napa Marsh. Quad: Cuttings Wharf. Comment
  JEPS110746  Parentucellia viscosa Jake Ruygt 1988-5-4 2178 Napa SW corner of HWY 29 and Airport Rd. 19 Comment
  UC11240  Parvisedum pumilum Willis L. Jepson 1893-4-28 Napa near Napa City (Napa River Basin); Napa River Basin Comment
  UC1198828  Parvisedum pumilum Joseph P. Tracy 1933-4-30 12116 Napa Howell Mountain near Toland House Howell Mountain 457 Comment
  UC218897  Passiflora caerulea Katharine Brandegee 1910-7-11 Napa Calistoga Comment
  UC25013  Pectocarya penicillata Willis L. Jepson 1893-4-30 Napa w Calistoga; Napa Rv Basin Comment
  UCD118118  Pectocarya pusilla Megan Mateo; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on south side of road. 518 Comment
  UCD161333  Pectocarya pusilla Jake Ruygt 1982-4-25 1200 Napa Swartz Canyon near falls. (Coordinates estimated by label maker at UC Davis). 426 Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga 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
  UCD73396  Pedicularis densiflora 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
Read comments
Jan 31 2012
  POM182753  Pedicularis densiflora D. D. Keck 1931-4-2 1030 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC69211  Pellaea andromedifolia John Thomas Howell 1926-3-21 1736 Napa Old toll road to Mt. St. Helena Comment
  JEPS103987  Pellaea andromedifolia Jake Ruygt 1995-4-17 3437 Napa end of Niebaum Rd., Rutherford. 137 Comment
  CAS-BOT-BC71378  Pellaea mucronata John H. Thomas 1955-5-21 5102 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD159942  Pellaea mucronata Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. At base of Adenostoma resprout. Above Q48. 243 Comment
  UCD82598  Pellaea mucronata Ellen Dean; T. Starbuck 2009-5-4 5536 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CDA11897  Pellaea mucronata var. mucronata G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCD73458  Pellaea mucronata var. mucronata Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD124215  Penstemon heterophyllus M. Ensign 1943-5-28 321 Napa 17 miles from Monticello on road to Lower Lake. Comment
  UCD124217  Penstemon heterophyllus Alan P. Godlewski 1974-5-3 12 Napa south of Lake Berryessa, 150 yards from Highway 128. Comment
  POM182638  Penstemon heterophyllus subsp. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  UC185341  Penstemon heterophyllus var. heterophyllus Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  CAS-BOT-BC245720  Penstemon newberryi var. sonomensis John Thomas Howell 1926-10-3 2196 Napa Mt. St. Helena Comment
  UCD20424  Pentachaeta alsinoides E. Dean; w/ PLB 102 class 2002-5-4 1011 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
  JEPS120381  Pentachaeta exilis subsp. exilis Jake Ruygt 1998-5-2 3951 Napa Jerd Creek Comment
  UCD137752  Pentagramma triangularis Katherine Pinney 1975-4-15 32 Napa Wragg Canyon, 2.5 miles east of Wragg Canyon Road on Highway 128. 259 Comment
  CAS-BOT-BC71676  Pentagramma triangularis subsp. triangularis Peter H. Raven 1953-2-21 5193 Napa Wooden Valley Grade 274 Comment
  JEPS103985  Pentagramma triangularis subsp. triangularis Jake Ruygt 1979-12-19 801 Napa Spring Mountain Winery (Falconcrest) 146 Comment
  UC399577  Pentagramma triangularis subsp. triangularis H. P. Chandler 1907-5-30 7597 Napa White Sulphur Spring St. Helena Comment
  UCD161320  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1979-7-21 756 Napa 0.9 miles east of Cold Springs Road on Los Posados Road. (Coordinates estimated by label maker at UC Davis). 521 Comment
  JEPS104485  Perideridia kelloggii Jake Ruygt 1991-7-24 2799 b Napa Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  JEPS104482  Perideridia oregana Jake Ruygt 1998-7-11 4081 Napa About 2 miles north of Pope Creek bridge on Berryessa-Knox Rd 149 Comment
  CAS-BOT-BC419150  Persicaria maculosa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD48848  Petrorhagia dubia M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 18 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  SEINET7883385 Image available Petunia parviflora Laura Zeller 1965-1 27 Napa ca. 2.5 miles NE of Pope Valley Road and Pope Canyon Road junction on Pope Valley Road 213 Comment
  JEPS110851  Phacelia distans Jake Ruygt 1994-3-15 3317 Napa Chiles Canyon Road about 1 mile from Chiles Valley 365 Comment
  HSC43967  Phacelia divaricata Robert M. Specht 1977-4-11 619 Napa Drainage at Pocock Creek 500 Comment
  RSA133981  Phacelia imbricata subsp. imbricata Lincoln Constance, L. R. Heckard 1951-4-15 3371 Napa Silverado Trail, one mile east of St. Helena. Comment
  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-BC265789  Phalaris aquatica J. H. Thomas 1960-8-29 8841 Napa About 1 mile north of Calistoga along Highway number 53 Comment
  UC638492  Phlox gracilis Mildred Mathias 1937-5-23 1282 Napa w slope Mount St. Helena (along Highway 29) 533 Comment
  CAS-BOT-BC134981  Phoradendron bolleanum John F. Emmel 1971-4-17 342 Napa Butts Creek, 0.4 miles NW of junction Butts Canyon and Snell Valley roads 198 Comment
  UCD169785  Phoradendron bolleanum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 793 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  POM280308  Phoradendron bolleanum subsp. densum Lyman D. Benson 1935-2-25 6245 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
Read comments
Jan 25 2016
  JEPS42595  Phoradendron densum Willis L. Jepson 1893-5-5 Napa Mt. St. Helena grade to Middleton Comment
  UCR115095  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  UCD49307  Phoradendron leucarpum subsp. tomentosum A. Collier; D. Caterson and S. Kenady 2002-5-4 19 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Located 20 m W of path leading to tip of the peninsula, in vicinity of power lines. 274 Comment
  UCD170443  Phragmites australis Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 915 Napa Knoxville Wildlife Area, on Zim Zim Falls trail north of Zim Zim Falls. 407 Comment
  JEPS110922  Physalis philadelphica Jake Ruygt 1969-12-31 418 Napa Napa River south of Trancas St., Napa 3 Comment
  CAS-BOT-BC140549  Physocarpus capitatus Peter H. Raven 1950-6-20 2346 Napa In the Napa Range between Conn Valley and Howell Mtn. Comment
  SEINET741777 Image available Pickeringia montana M. F. Wojciechowski 2000-5-27 895 Napa Cache Creek area north of Lake Barryessa Comment
  UCD108157  Pickeringia montana Beecher Crampton 1959-11-2 BC- 111 Napa North end of Capell Valley, above Capell Creek. Comment
  UCD108172  Pickeringia montana D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 Comment
  JEPS120338  Pilularia americana Jake Ruygt 1998-5-23 3995 Napa Napa Airport Industrial Park, NW corner. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC73328  Pinus attenuata C. B. Wolf 1928-2-25 1501 Napa Mt. St. Helena grade 2 miles N. of summit. Comment
  CAS-BOT-BC73374  Pinus attenuata Peter H. Raven 1951-8-21 3876 Napa Mt. Veeder 792 Comment
  JEPS47900  Pinus attenuata Willis L. Jepson 1893-5-4 Napa summit of Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  SD27919  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  SEINET267025  Pinus sabiniana Royal D. Suttkus 1967-6-26 67- 30 -43 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD48372  Pinus sabiniana Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, 15 m N of Decker Bay Trail. 152 Comment
  SEINET11739558  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET7063153  Plagiobothrys fulvus A. G. Vestal 1963-4-7 s.n. Napa East-facing slope about 3.8 miles north of Saint Helena on the Silverado Trail. UTM Zone 10, 543982mE, 4266952mN. (WGS84/NAD83). 98 Comment
  UCD164856  Plagiobothrys fulvus var. campestris Jake Ruygt 2012-4-21 5830 Napa Crystal Flats, west of Putah Creek. 216 Comment
  UCD120932  Plagiobothrys nothofulvus M. Wiesendanger 1927-5-4 687 Napa Near Monticello. Comment
  UC1301088  Plagiobothrys nothofulvus Helen K. Sharsmith 1963-4-20 5345 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of range) 152 Comment
  UCD120926  Plagiobothrys nothofulvus J. M. Tucker; C. H. Lamoureux and June McCaskill 1957-4-7 3290 Napa Beside 'Silverado Trail', ca. 7.5 miles north of St. Helena, east side of Napa Valley. Comment
  JEPS129104  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2016-5-3 6232 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD47947  Plagiobothrys stipitatus var. micranthus Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 1 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UC1301092  Plagiobothrys stipitatus var. micranthus Helen K. Sharsmith 1963-4-20 5328 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  UCD161578  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2007-5-5 5165 Napa Walnut Flat, near Wild Lake. 630 Comment
  UCD74386  Plagiobothrys stipitatus var. micranthus Jake Ruygt 1982-4-14 1185 Napa East of Rocktram, west of Hwy. 221. 1 Comment
  UC1094322  Plagiobothrys strictus Peter H. Raven 1957-5-5 10741 Napa in moist places near hot springs at the airport; Calistoga Comment
  JEPS68134  Plagiobothrys tenellus W. L. Jepson 1900-3-9 509 Napa Howell Mt. Comment
  UC55911  Plagiobothrys tenellus J. P. Tracy 1902-5-18 1539 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  JEPS68146  Plagiobothrys tenellus W. L. Jepson 1938-5-25 18867 Napa Bell Canyon Napa Range, Howell Mt. 579 Comment
  UC280354  Plagiobothrys tenellus Milo S. Baker 1896-5-8 34 Napa field near Four Corners Comment
  JEPS21208  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  JEPS106758  Plagiobothrys tener var. tener Jake Ruygt 1990-4-21 2498 Napa Giles Mead Ranch, Atlas Peak Rd. 429 Comment
  RSA368994  Plagiobothrys undulatus Robert Gustafson, Don Reynolds 1983-6-7 2731 Napa Hwy 29, about 2 miles south of Imola Ave. on east side of road. Comment
  JEPS110786  Plantago erecta Jake Ruygt 1986-3-6 1633 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 146 Comment
  JEPS20845  Plantago erecta B. Crampton 1956-5-25 3466 Napa between se Capell Valley and Wragg Canyon; Capell Valley Comment
  UCD18154  Plantago erecta Jean Shepard; with Plant Biology 102 class 2000-4-29 192 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
  UCD49190  Plantago erecta S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 10 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
  UCD68116  Plantago erecta Hilary Jane Ernst 1981-5-2 25 Napa 2.8 miles Northwest on Highway 128 from Moskowite Corners, to left of road, up trail. In a chaparral plant association, dominated by Pinus sabiniana, on a 10 degree slope. 243 Comment
  UCD124425  Plantago erecta Robert C. Bechtel 1952-4-6 52 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  UCD69078  Plantago erecta P. Rodriguez-Rojo 1997-5-31 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  UCD170431  Plantago lanceolata Daniel Potter; Daniel McNair 2016-4-23 923 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCR12028  Plantago lanceolata Coleta A. Lawler 1964-3-24 16 Napa Junction of Redwood Rd and Browns Valley Rd Comment
  UCD164741  Plantago major Jake Ruygt 2014-7-7 6020 Napa Pope Creek. Pope Canyon. 188 Comment
  JEPS120328  Platystemon californicus Jake Ruygt 2005-3-20 4708 Napa Alston Park, Dry Creek Road, Napa. Napa 7.5' Quad. Comment
  JEPS51615  Platystemon californicus W. L. Jepson 1923-4-29 9894 Napa St. Helena 91 Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  CAS-BOT-BC91874  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa Between Calistoga and Petrified Forest. Comment
  JEPS6142  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4447 Napa Road between Chiles Valley and Monticello Valley Comment
  UC1239599  Plectritis brachystemon Joseph P. Tracy 1933-6-2 12455 Napa 3-4 mi e of Angwin's (at Head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  JEPS6141  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4448 Napa s of Monticello Valley Comment
  UC1301169  Plectritis ciliosa subsp. ciliosa Helen K. Sharsmith 1963-4-20 5353 Napa above Wooden Valley (on Monticello Road, e side Napa Range); San Francisco Bay Region, Napa Range San Francisco Bay Regio 243 Comment
  POM263492  Plectritis ciliosa subsp. insignis J. C. Roos 1939-3-27 263 Napa Pope Valley Comment
  UC1239595  Plectritis ciliosa subsp. insignis Joseph P. Tracy 1933-4-30 12093 Napa 5 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 365 Comment
  JEPS14266  Plectritis macrocera Bacigalupi and Dempster May, 1955 4446 B Napa between Chiles Valley and Monticello Valley Comment
  JEPS5124  Plectritis macrocera Miss R. Kuhn 1912-4-10 Napa Oakville 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
  UC999821  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum 1938-4-24 697 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  JEPS122934  Pleuropogon californicus Jake Ruygt 1996-3-23 3536 Napa North side of Deer Park Road between Napa River and Highway 29. Quad: Saint Helena. 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
  UCD41331  Pleuropogon californicus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 6 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  UCD90209  Pleuropogon californicus var. californicus Beecher Crampton 1955-3-14 2318 Napa 5-6 miles southeast of Calistoga, Upper Napa Valley, along Silverado Trail Highway. 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
  CAS-BOT-BC244371  Poa annua Peter H. Raven 1953-3-29 5209 Napa 2 miles S of Calistoga 106 Comment
  UC73784  Poa annua J. Burtt Davy April 1902 Napa St. Helena Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 Comment
  UCD36594  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD91553  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Calistoga. Near the hot springs at the airport. Comment
  SEINET7256601  Poa napensis Peter H. Raven Napa Comment
  UCD18085  Poa secunda Ellen Dean; with PLB 102 class 2000-4-22 641 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  CAS-BOT-BC242900  Poa secunda subsp. secunda Carl B. Wolf 1928-5-3 1814 Napa 2 miles S of Hawkins Mount Inn Camp Comment
  JEPS122924  Poa secunda subsp. secunda Jake Ruygt 1983-4-13 1423 Napa Snell Valley west of Stagecoach Canyon Road. Quad: Aetna Springs. Comment
  JEPS122928  Poa secunda subsp. secunda Jake Ruygt 1990-4-8 2469 b Napa Milliken Reservoir, property of City of Napa. Quad: Capell Valley. 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
  UCD90997  Poa secunda subsp. secunda Frank Gordon 1924-5-1 s.n. Napa Suisun Valley. Comment
  UCD77928  Pogogyne douglasii Robert E. Preston 2002-6-17 1821 Napa Pope Valley, along Pope Canyon Rd, 0.5 mi N of its jct with Pope Valley Cross Rd. 187 Comment
  RSA114030  Pogogyne douglasii Peter H. Raven 1957-5-5 10749 Napa Near geysers, Calistoga. Comment
  UC1988917  Pogogyne douglasii Alice Eastwood and John Thomas Howell 1939-6-11 Napa near Calistoga Comment
  SEINET9289847  Pogogyne serpylloides Unknown 1993-5-1 10972 Napa Napa Co., CA Comment
  UCD49103  Pogogyne serpylloides A. Collier; D. Caterson and S. Kenady 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  CDA3400  Polycarpon tetraphyllum J. T. Howell 1943-6-2 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. Comment
  JEPS51381  Polycarpon tetraphyllum W. L. Jepson 1894-10-15 Napa St. Helena Comment
  UCD98411  Polycarpon tetraphyllum Irving Grover 1954-6-29 s.n. Napa from farm buildings. Comment
  RSA195299  Polygala californica Gilbert Muth 1967-5-17 678 Napa Oat Hill Road, Calistoga 244 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
  JEPS43012  Polygala californica Elizabeth Ferguson 1920-5-15 353 Napa Toll Road Mt. St. Helena Comment
  CAS-BOT-BC109158  Polygonum bolanderi T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain. Comment
  JEPS110849  Polygonum bolanderi Jake Ruygt 1997-11-24 3878 Napa East of Chimney Rock , between Soda Canyon and Silverado Tr 152 Comment
  UCD99863  Polygonum bolanderi Walter R. Russell 1963-11-5 s.n. Napa ca. 2 miles south of Napa State Hospital, State Highway 12-29. Comment
  CAS-BOT-BC414387  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  JEPS50595  Polygonum californicum W. L. Jepson 1930-10-19 15687 Napa Pope Valley Comment
  JEPS50607  Polygonum hydropiper W. L. Jepson 1894-11-5 Napa towards Battle Mt. (near St. Helena) Comment
  UC614935  Polygonum lapathifolium Beryl O. Schreiber 1936-8-16 2324 Napa 0.8 mi s Yountville 152 Comment
  UC6721  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River Comment
  JEPS112589  Polygonum parryi Jake Ruygt 1992-5-20 2985 Napa south of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  CAS-BOT-BC419846  Polygonum patulum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River Comment
  JEPS112591  Polygonum punctatum Jake Ruygt 1978-8-29 403 a Napa 0.6 mi N of Hoffman Lane on Solano Avenue 24 Comment
  CHSC46172  Polypodium californicum Lowell Ahart 1976-3-7 1023 Napa About 2 miles south-west of the Monticello Dam. 152 Comment
  UCD136973  Polypodium calirhiza D. H. Hartmann 1942-3-7 s.n. Napa Green Valley. Comment
  UCD83864  Polypodium glycyrrhiza Ellen Dean; Stephen Rae 2010-3-15 5822 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  JEPS115747  Polypogon interruptus Lowell Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  UCD169866  Polypogon monspeliensis Daniel Potter; Peter Lash 2015-4-26 801 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UCD91281  Polypogon monspeliensis Beecher Crampton 1956-5-25 3467 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  JEPS20256  Populus fremontii subsp. fremontii W. L. Jepson 1942-11-1 20748 Napa Conn Valley; Napa Range, Conn Valley Comment
  JEPS115745  Pseudognaphalium luteoalbum Lowell Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winter 133 Comment
  UC32002  Pseudognaphalium microcephalum W. L. Jepson 1892-7-1 Napa Knoxville Comment
  UCD161745  Pseudognaphalium stramineum Jake Ruygt 1994-3-29 3343 Napa Jameson Canyon, east of Highway 29 and north of Highway 12. 213 Comment
  UCD63177  Pseudognaphalium thermale Jake Ruygt 1988-8-14 2231 Napa Berryessa-Knoxville Rd. at Pope Canyon Road. 143 Comment
  UCD91506  Pseudoroegneria spicata Beecher Crampton 1961-6-12 5898 Napa North end of Capell Valley, above Capell Creek, along State Hwy. 128. Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  SEINET3221129 Image available Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS48289  Pseudotsuga menziesii var. menziesii W. L. Jepson 1903-9-7 2356 Napa hills w of St. Helena (York Canon Road); , York Creek Canon 548 Comment
Read comments
Oct 2 2012
  UCD161254  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1982-5-12 1238 -a Napa Suscol Plain east of Kaiser Steel. (Coordinates estimated by label maker at UC Davis). 4 Comment
  UC35749  Psilocarphus tenellus Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UC1735927  Pterostegia drymarioides Dean W. Taylor 1973-1-27 2059 Napa below Montecello Dam at Lake Berryessa along Putah Creek; under rocks on the south exposure of the canyon Comment
  UCD167071  Pyrola picta Jake Ruygt 2007-5-19 5185 Napa Las Posadas State Forest, south of fire station. 548 Comment
  UC1199437  Pyrrocoma racemosa var. racemosa Joseph P. Tracy 1939-10-14 16508 Napa Myrtledale Hot Springs Calistoga 121 Comment
  UC725507  Pyrrocoma racemosa var. racemosa A. A. Heller 1927-8-26 14466 Napa Calistoga Comment
  CAS-BOT-BC62709  Quercus X chasei Peter H. Raven 1951-6-26 3086 Napa Capell Valley to Wooden Valley 304 Comment
  UCD45325  Quercus X chasei J. M. Tucker 1994-10-29 s.n. Napa California, Napa Co., Mt. George, north-ne. side, ca. 400 m. 400 Comment
  UC1184082  Quercus X morehus William E. Ferguson 1960-12-26 Napa ca 7 mi e Napa (s side of Mt. George, on trail to top of mountain); Mt. George 426 Comment
  UCD170369  Quercus X morehus Daniel Potter; N Khuu, K Battenberg 2016-4-30 867 Napa Knoxville Wildlife Area, east of Nevada Creek Comment
  CAS-BOT-BC61811  Quercus agrifolia Elsa G. Ruckert 1960-3-26 50 Napa 6495 Dry Creek Road. 300 yards from house on private road 365 Comment
  JEPS37368  Quercus agrifolia W. L. Jepson 1907-12-1 2971 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37371  Quercus agrifolia W. L. Jepson 1907-12-1 2973 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37708  Quercus agrifolia W. L. Jepson 1895-11-25 Napa St. Helena Comment
  JEPS37806  Quercus agrifolia W. L. Jepson 1937-4-10 18004 Napa Adam-and-Eve Ridge Howell Mt. Comment
  SD125384  Quercus agrifolia William C. Overton 1980-7-13 Napa Along south bank of Eticuera Creek, 1.5 miles north of Lake Berryessa. 177 Comment
  UCD149630  Quercus agrifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Chiles Valley summit, [near] 128. Comment
  UCR146887  Quercus agrifolia Kathleen Stockwell 2000-5-27 s.n. Napa Coast Range, along Napa Creek which flows to the Napa River, along Kingston Ave. in city of Napa, north of Browns Valley Rd. and Westwood Hills Park 30 Comment
  UCD45203  Quercus berberidifolia Thomas Morley 1941-5-11 125 Napa Elevation 461 feet. On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. 140 Comment
  UCD45210  Quercus berberidifolia G. L. Stebbins Jr. 1948-5-9 3938 Napa South-facing slope, on edge of serpentine formation; Capell Canyon, beside road from Monticello to Rutherford, 9 miles southeast of Monticello, Napa County, California. Comment
  UCD83393  Quercus berberidifolia Jake Ruygt 1992-9-24 3156 Napa Lower Chiles-Pope Valley Rd., N of Berryessa Knox Rd. 201 Comment
  UCD92285  Quercus berberidifolia J. M. Tucker 1953-10-25 2692 Napa Upper road bank of Highway 28, 2.0 mile (by road) west of junction with Highway 37. Capell Canyon. Comment
  CAS-BOT-BC62454  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  CAS-BOT-BC62460  Quercus chrysolepis Peter H. Raven 1964-5-9 19060 Napa along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  JEPS37851  Quercus chrysolepis Willis L. Jepson 1893-9-23 Napa Summit of Mt. St. Helena Napa River Basin Comment
  SEINET3090837 Image available Quercus chrysolepis Royal D. Suttkus 1967-6-26 67- 30 -6 Napa Clearly Reserves 7.2 miles northwest of Pope Valley. Comment
  UC1135373  Quercus chrysolepis J. B. Spring, R. W. Lundh 1932-6-27 89 Napa 1.5 mi s and 0.25 mi e McCormack Ranch; Santa Rosa Quad. 548 Comment
  UCD149579  Quercus chrysolepis 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
  SEINET12034303  Quercus chrysolepis Unknown 1942-1 s.n. Napa Calistoqo Comment
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  UC993147  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD148822  Quercus douglasii Ellen Dean; Diana Hickson 2014-4-29 8127 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD45635  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa, abundant on canyon slopes. Comment
  UCD45687  Quercus douglasii M. Wiesendanger 1926-4-1 1493 Napa Blue Oak. Comment
  JEPS37800  Quercus dumosa W. L. Jepson 1938-9-28 19042 Napa La Jota Mesa Howell Mts. Comment
  SEINET12029179  Quercus dumosa Unknown 1941-1 127 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  CAS-BOT-BC79833  Quercus durata John Thomas Howell 1933-8-24 3045 Napa Canyon of Pope Valley Creek below Walter's Springs, Napa Range Comment
  CDA11971  Quercus durata G. F. Hrusa, M. Hooper 1995-9-12 12463 Napa North Coast Biodiversity Arena; Margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. Comment
  CDA21880  Quercus durata T. Kono 1968-3-1 Napa Highway 128, 12.9 miles east of Rutherford. 0 Comment
  RSA150  Quercus durata J. T. Howell 1927-8-24 685 Napa Near Walter's Spring, Napa Range. Comment
  RSA39631  Quercus durata P. A. Munz 1947-10-10 12213 Napa 12 miles east of Rutherford on road to Winters (Inner Coast Range). Comment
  RSA82771  Quercus durata J. M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello--Pope Valley Road. Comment
  UCD14806  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -4 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14816  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -33 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD149623  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Capell Creek. Comment
  UCD45888  Quercus durata Beecher Crampton 1962-10-9 6706 Napa northend of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UCD45947  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  UCD45971  Quercus durata D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  UCD45972  Quercus durata D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Serpentine chaparral in Capell Creek. 250 Comment
  UCD45978  Quercus durata G. F. Hrusa; G. L. Stebbins 1994-3-11 11602 Napa Rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin. 520 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
  UCD45897  Quercus durata var. durata J. M. Tucker 1953-10-25 2690 Napa Beside Highway 28, 1.0 mile west of junction of highways 28 and 37, ca. 30 feet from edge of road, on lower side, Capell Canyon, Napa County, California. Comment
  UCD48032  Quercus durata var. durata Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 20 Napa Napa Co, McLaughlin Reserve, apporx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  SFV17797  Quercus garryana J. M. Tucker 1950-11-5 2005 5 Napa Yard on outskirts of Angwin on Howell Mountain. Comment
  UCD14960  Quercus garryana var. garryana John M. Tucker 1976-10-24 4385 Napa California, Napa Co.; beside Dry Creek Road, 1.4 mi. east of junction with Wall Road, and 4.4 mi. (by road) southwest of Oakville; Comment
  UCD46059  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2357 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  UCD46060  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2358 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105293  Quercus kelloggii John M. Tucker 1976-10-24 4381 Napa beside Dry Creek Road, 0.6 mi E of junction with Wall Road, and 5.2 mi (by road) SW of Oakville Comment
  CAS-BOT-BC105294  Quercus kelloggii Peter H. Raven 1951-8-20 3861 Napa near Lokoya 548 Comment
  CAS-BOT-BC105301  Quercus kelloggii Paul F. Covel 1940-4-28 1708 Napa Near Pacific Union College Comment
  POM270255  Quercus kelloggii Lyman Benson 1931-2-26 2599 Napa Near highway summit of Mt. St. Helena, No of Calistoga, Mayacamas mt. range, Napa watershed. 549 Comment
  UC615441  Quercus kelloggii Beryl O. Schreiber 1932-4-3 200 Napa road to Calistoga Comment
  UCD120920  Quercus kelloggii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7340 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD14959  Quercus kelloggii John M. Tucker 1976-10-24 4384 Napa California, Napa Co.; beside Dry Creek Road, 1.4 mi. east of junction with Wall Road, and 4.4 mi. (by road) southwest of Oakville; Comment
  UCD37947  Quercus kelloggii Beecher Crampton 1962-5-16 6430 Napa 0.5 mile W of Aetna Springs. Comment
  UCD46714  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. Helena, 0.4 mile over the north side from the summit of the road (State Highway 29), Napa County, California. Comment
  UCD46743  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  CAS-BOT-BC62881  Quercus lobata John Thomas Howell 1933-8-27 11630 Napa Sage canyon, Napa Range Comment
  UCD83401  Quercus wislizeni Jake Ruygt 1992-7-18 3101 Napa Green Valley Ranch, end of Green Valley Rd. 316 Comment
  UCD168527  Quercus wislizeni var. frutescens 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
  JEPS110891  Ranunculus aquatilis var. capillaceus Jake Ruygt 1996-3-30 3539 Napa Jameson Vineyards, South Kelly Road. 67 Comment
  JEPS110889  Ranunculus arvensis Jake Ruygt 1991-5-6 2646 Napa Wantrop Preserve, Pope Valley 184 Comment
  JEPS54959  Ranunculus californicus Willis L. Jepson 1893-4-26 Napa Oakville Napa River Basin Comment
  UCR12015  Ranunculus californicus Coleta A. Lawler 1964-3-24 19 Napa 7 mi. from Napa; Mt. Veeder Rd. 2 mi north of Jct. Dry Creek Rd Comment
  JEPS2825 Image available Ranunculus californicus W. L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin; E of St. Helena, Napa River Basin Comment
  JEPS54960  Ranunculus californicus W. L. Jepson 1893-4-25 Napa summits w St. Helena Comment
  CAS-BOT-BC378487  Ranunculus californicus var. californicus David D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  RSA268176  Ranunculus californicus var. gratus Lyman Benson 1931-2-26 19 Napa Mayacamas, Napa Watershed, intergrading from lower edge of Mt St. Helena 213 Comment
  JEPS110882  Ranunculus lobbii Jake Ruygt 1996-3-23 3529 Napa Wantrop Wildlife Sanctuary, Pope Valley 280 Comment
  POM268693  Ranunculus lobbii W. L. Jepson 1893-5-1 s.n. Napa Upper Napa Valley, near Calistoga; Napa River basin Comment
  UCR30447  Ranunculus muricatus John C. Roos 1939-4-18 s.n. Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  JEPS55170  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  JEPS77945  Ranunculus occidentalis Edward Lee 1936-3-15 1811 Napa Rutherford-Pope Valley road 10.7 mi out of Rutherford Comment
  SEINET7072527  Ranunculus occidentalis A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  UCD96928  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD96938  Ranunculus occidentalis H. Popenoe 1949-4-17 9 Napa 17 miles from Winters, at entrance to Monticello Valley. Comment
  SEINET215120  Ranunculus occidentalis var. eisenii B. Bearce 1965-4-4 18 Napa Ca 19 mi W of Winters on CA Hwy 121 Comment
  SBBG20752  Ranunculus occidentalis var. occidentalis H. and M. Dearing 1939-5-3 3266 c Napa near Napa Comment
  JEPS55062  Ranunculus orthorhynchus var. bloomeri Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  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
  UCD160034  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
  UCD18037  Raphanus raphanistrum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 588 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
  CAS-BOT-BC362895  Rhagadiolus stellatus Marie Taylor 1978-4-5 s.n. Napa Dry Creek & Wall roads Comment
  CAS-BOT-BC362896  Rhagadiolus stellatus Ida DeMay Wilson 1959-4-5 s.n. Napa Dry Creek Road Comment
  OBI5246  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson ranch, Dry Crk Rd, 2mi W of Yountville Comment
  SEINET12211102  Rhamnus californica subsp. tomentella F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -316 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek to Berryessa Estates 250 Comment
  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
  JEPS42003  Rhamnus crocea W. L. Jepson 1915-12-5 6587 Napa Adam-and-Eve Ridge Howell Mt. Comment
  SEINET12210865  Rhamnus crocea var. ilicifolia W. Knight, Knight, I. 1982-1 4552 Napa 0.5 mi W of Spanish Flat on road to Conn Reservoir Comment
  CAS-BOT-BC56650  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 8 Napa 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Comment
  JEPS106404  Rhododendron occidentale Jake Ruygt 1990-6-23 2597 Napa White Creek, Wild Horse Valley Ranch 390 Comment
  UCD117978  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  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
Read comments
Sep 28 2012
  UCD35625  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa North end of Capell Valley, above Capell Creek. Comment
  CAS-BOT-BC200649  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pope Creek Canon [Canyon] Comment
  OBI20447  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pojse Creek Canyon Comment
  UCD39264  Rhus aromatica B. Crampton 1960-9-7 5776 Napa Vaca Mountains. Markley Canyon, along State Hwy. 128, above Lake Berryessa. Comment
  UC1543120  Rhus trilobata Charlotte G. Nast 1936-3-27 39 Napa Putah Canyon Comment
  JEPS129079  Ribes californicum var. californicum Jake Ruygt 2016-4-5 6176 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCR146406  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Inner North Coast Ranges, 0.5 mile west of Monticello Dam 305 Comment
  JEPS49457  Ribes roezlii var. cruentum Katharine Brandegee 1909-6-1 Napa summit of Pope Valley Grade from Calistoga; Napa Range, Pope Valley Grade Comment
  RSA0024605  Ribes roezlii var. cruentum Carl B. Wolf 1928-2-25 1499 Napa Summit of Mt. St. Helena grade, at Mt. St. Helena Inn. Comment
  JEPS126025  Ribes sanguineum var. glutinosum Jake Ruygt 1982-3-22 1139 Napa Marie Creek, Skyline Park. Mount George 7.5' Quad. Comment
  POM261634  Ribes victoris J. T. Howell 1940-5-19 s.n. Napa Upper St. Helena Creek. Comment
  UCD164831  Ribes victoris Jake Ruygt 2012-5-19 5851 Napa Crystal Flats, west of Putah Creek. 268 Comment
  HSC43915  Rigiopappus leptocladus Robert M. Specht 1977-5-14 888 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  JEPS106904  Rigiopappus leptocladus Jake Ruygt 1998-5-11 3961 x Napa Greeg Mountain 445 Comment
  SEINET5708897 Image available Rigiopappus leptocladus Glen Holstein 1977-1 s.n. Napa Along State Hwy 128, 0.2 miles south of intersection with Berryessa-Knoxville Road, Capell Valley.; Capell Valley Comment
  UC725905  Rigiopappus leptocladus A. A. Heller 1941-5-16 16123 Napa below Knoxville; Eticura Creek Comment
  UCD63167  Rigiopappus leptocladus Jake Ruygt 1983-5-29 1467 Napa Napa Valley: Knoxville. 426 Comment
  UC555671  Rosa californica Herbert L. Mason 1923-10-6 774 Napa along Wooden Valley Rd. Comment
  UCD17682  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 79 Napa California. Napa County: north of Redwood Lodge along Highway 128. Comment
  CAS-BOT-BC156589  Rubus bifrons Peter H. Raven 1952-5-29 4075 Napa Napa River 1 mi. n. Napa 60 Comment
  UCD164828  Rubus ulmifolius var. ulmifolius Jake Ruygt 2012-6-30 5872 Napa Putah Creek. 143 Comment
  CAS-BOT-BC156913  Rubus ursinus Peter H. Raven 1964-5-9 19071 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC156914  Rubus ursinus Peter H. Raven 1950-4-15 1733 Napa Wooden Valley Grade above Napa 274 Comment
  UCD17921  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-8 53 80 Napa California. Napa County: north of Redwood Lodge near Calistoga. Comment
  CAS-BOT-BC433758  Rumex pulcher Peter H. Raven 1952-5-31 4099 Napa Yountville 30 Comment
  UC126474  Rupertia physodes Harley P. Chandler Sep 7 1906-Sep 14 1906 7100 Napa Alta Loma Ranch Howell Mountain 487 Comment
  SEINET3269560 Image available Rupertia physodes M. F. Wojciechowski, K. P. Steele 2000-5-20 889 Napa Along CA 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  CDA36396  Saccharum ravennae Michael Perlmutter 2011-5-18 Napa McLaughlin UC Natural Reserve, southern portion. Near borders with Lake and Yolo Counties. 0 Comment
  JEPS106735  Sagina decumbens subsp. occidentalis Jake Ruygt 1982-4-4 1166 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  UC1103529  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1902-5-16 1503 Napa 3 - 4 mi. e. Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt., Moore's Creek 365 Comment
  RSA8371  Salix I. L. Wiggins 1932-3-12 5752 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  LA208565  Salix breweri David D. Keck; 1931-4-3 1075 Napa 5 mi. NE of Aetna Springs, along Butts Creek Comment
  SBBG28800  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn between Pope Springs and Aetna Valley 91 Comment
  SBBG58851  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn, between Pope Springs and Aetna Valley 91 Comment
  SEINET11993504  Salix breweri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -320 Napa along Butts Canyon Road near junction with Snell Valley Road, along Butts Creek 250 Comment
  UC634548  Salix exigua var. hindsiana H. L. Mason 1926-3-14 2719 Napa along stream in grove Mt. St. Helena Comment
  CAS-BOT-BC108194  Salix hindsiana Ira L. Wiggins 1932-3-12 5756 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  JEPS38404  Salix laevigata Willis L. Jepson 1893-4-29 16 s Napa Bewery Rd. York Creek; Napa River Basin Comment
  UCD73497  Salix laevigata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD164801  Salix laevigata Jake Ruygt 1996-4-20 3619 -d Napa Jameson Canyon Vineyards entry road. 60 Comment
  JEPS13831  Salix lasiolepis Willis L. Jepson 1903-9-6 2345 Napa St. Helena; Napa River Basin Comment
  POM202751  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC519393  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  CAS-BOT-BC129503  Salix melanopsis H. E. McMinn 1923-5-25 958 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  JEPS62780  Salvia sonomensis W. L. Jepson 1943-5-15 20786 Napa Knoxville Ridge Comment
  UCD73452  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  JEPS106729  Sambucus mexicana Jake Ruygt 1989-5-27 2350 Napa Napa River about 50 yards south of Lincoln Ave., Napa 6 Comment
  UCD47961  Sambucus nigra subsp. caerulea Ryan Knox; E. McDermott, and G. Walden 2002-4-13 3 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, near Knoxville Creek. 432 Comment
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 Comment
  UCD18367  Sanicula bipinnatifida R. Wenk 2000-5-14 2 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  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
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  UCD128041  Sanicula tuberosa G. L. Webster 1967-3-23 7497 Napa vicinity of Bear Flat, north of Red Mountain. 213 Comment
  JEPS81600  Saxifraga californica R. Raiche 1982-3-7 20192 Napa 1.3 mi n of Sage Canyon Road (on Chiles and Pope Valley Road) Comment
  JEPS104491  Scandix pecten-veneris Jake Ruygt 1979-4-14 518 Napa Oat Hill Mine Rd., near Calistoga 207 Comment
  SBBG5287  Scandix pecten-veneris H. and M. Dearing 1939-5-1 3245 Napa top of Spring Mtn grade Comment
  SEINET7063154  Scandix pecten-veneris A. G. Vestal 1963-4-7 s.n. Napa A meadow about 4.3 miles north of Saint Helena at the crossroad from Route 29. UTM Zone 10, 541875mE, 4267249mN. (WGS84/NAD83). 106 Comment
  UC1301114  Scandix pecten-veneris Helen K. Sharsmith 1963-4-20 5354 Napa above Wooden Valley (San Francisco Bay Region, e side of Napa Range, on Monticello Rd); San Francisco Bay Region, Napa Range, Monticello Rd 243 Comment
  UC658998  Scandix pecten-veneris Mildred E. Mathias 1938-4-24 1337 Napa 2 mi s of St. Helena (along highway) Comment
  RSA769185  Schoenoplectus maritimus L. Ahart 2009-10-12 16460 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
  CAS-BOT-BC111826  Schoenoplectus tabernaemontani Peter H. Raven 1952-8-26 5133 Napa Salt Marshes near Bently Wharf. Comment
  CAS-BOT-BC240025  Scribneria bolanderi Peter H. Raven 1953-4-2 5243 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC240026  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek 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
  JEPS110740  Scrophularia californica subsp. floribunda Jake Ruygt 1981-4-22 998 Napa American Canyon east of Flosden Rd. 18 Comment
  JEPS112636  Scutellaria antirrhinoides Jake Ruygt 1986-6-9 1806 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd., Milliken Cn 445 Comment
  UCD20735  Scutellaria californica Ellen Dean; w/ Mark Bibbo 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. 190 Comment
  UC1713624  Scutellaria californica Lester Rowntree 1937-6-13 Napa Saca Canyon Comment
  RSA276104  Scutellaria siphocampyloides Harry Goff 1936-5-1 s.n. Napa 5.5 mi. from Napa on Monticello Rd. up old wagon road 1/4 mi., then to left on top of ridge near Eucalyptus tree. Comment
  HSC45353  Scutellaria tuberosa R. York 1978-4-8 106 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS62856  Scutellaria tuberosa Willis L. Jepson 1893-5-9 14939 Napa sw of St. Helena (Napa Valley, Niebaum's Dam); Napa Valley, Niebaum's Dam Comment
  CAS-BOT-BC417000  Sedella pumila John Thomas Howell 1926-3-27 757 A Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC417005  Sedella pumila A. A. Heller; H. E. Brown 1902-4-25 5360 Napa near Napa Comment
  UC205176  Sedum radiatum Katharine Brandegee 1909-6-1 Napa Pope Valley grade Comment
  CAS-BOT-BC63831  Sedum spathulifolium Alice Eastwood 1915-6-6 4692 Napa Mt. St. Helena Comment
  CAS-BOT-BC63835  Sedum spathulifolium John H. Thomas 1955-5-21 5126 Napa Sarco Creek drainage, near Hwy 37, about 6 mi from Napa. 274 Comment
  CAS-BOT-BC63838  Sedum spathulifolium Betty H. Johnson 1958-6-15 617 Napa Near St. Helena River. 6.4 mi SW of Middletown Comment
  CAS-BOT-BC69714  Selaginella wallacei Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena. Comment
  JEPS103971  Selaginella wallacei Jake Ruygt 1994-3-19 3326 Napa Top of the Palisades. 716 Comment
  UCR254842  Selaginella wallacei Greg de Nevers 1998-2-16 11137 Napa North Coast Range, Devils [Punchbowl] Falls [Bell Canyon Creek near Angwin] 320 Comment
  UCD37183  Senecio aronicoides Beecher Crampton 1958-4-29 4753 Napa north end of Capell Valley, Highway 128, Capell Creek. Comment
  CAS-BOT-BC363358  Senecio aronicoides Peter H. Raven 1951-6-10 2916 Napa Crater Region e. of Mt. St. Helena 762 Comment
  CDA8606  Senecio clevelandii B. E. Eaton 1970-6-24 Napa Berryessa Estates, Snell Valley. 0 Comment
  POM5756  Senecio eurycephalus C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  RSA273383  Senecio eurycephalus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi E of Lake Co. line Comment
  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
  CAS-BOT-BC364598  Senecio vulgaris John H. Thomas 1958-4-19 7118 A Napa About 2 miles SW of Oakville 152 Comment
  CAS-BOT-BC243631  Setaria pumila Peter H. Raven 1952-8-26 5152 Napa Road NE of Buchli Station 30 Comment
  JEPS110711  Sidalcea calycosa Jake Ruygt 1979-4-19 528 Napa Suscol Hill behind PG&E substation 21 Comment
  JEPS110708  Sidalcea hartwegii Jake Ruygt 1989-6-6 2364 b Napa 4.5 miles north of Monticello Rd. on Atlas Peak Rd. 448 Comment
  JEPS50054  Sidalcea hartwegii Willis L. Jepson 1893-5-9 14070 Napa hills w Rutherford; Napa River Basin, w of Rutherford Comment
  JEPS100817  Sidalcea keckii Dean Wm. Taylor with Mey Akasah 1999-6-3 17221 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 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
  UC161021  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  JEPS51044  Silene antirrhina W. L. Jepson 1938-5-25 18864 Napa Bell Canyon Howell Mountain, Bell Canyon 579 Comment
  CDA3481  Silene armeria L. Darby 1980-8-29 Napa Napa. 0 Comment
  UC1300953  Silene californica Helen K. Sharsmith 1962-6-3 5107 Napa Napa-Soda Springs Road San Francisco Bay Region, Napa-Soda Springs Road 152 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
  CAS-BOT-BC388148  Silene gallica Doris K. Kildale 1928-5-8 5052 Napa 1/2 mile from Napa Solano County line, on road to Vacaville. Comment
  UC465687  Silene gallica C. F. Sonne April 1888 2176 Napa Comment
  JEPS106853  Silene multinervia Jake Ruygt 1997-6-22 3867 Napa Bismark Knob 640 Comment
  CAS-BOT-BC75287  Sisymbrium officinale Betty H. Johnson 1958-6-15 640 Napa 0.25 mile above Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  JEPS126032  Sisyrinchium bellum Jake Ruygt 1976-4-15 3 Napa 0.5 mile east of Silverado Trail on Deer Park Road. Saint Helena 7.5' Quad. Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  UCD48246  Sisyrinchium bellum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 12 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
  JEPS64270  Sisyrinchium bellum Willis L. Jepson 1893-4-25 Napa w of St. Helena (trail to Beaux's Cabin); Napa River Basin Comment
  RSA125805  Sisyrinchium bellum Peter H. Raven 1958-5-5 10740 Napa Near the Hot Springs, Calistoga. 91 Comment
  UCD125728  Sisyrinchium bellum Eric S. Nagy 1990-4-15 001 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. 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
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 Comment
  SEINET4171098  Sisyrinchium douglasii Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15090 Napa Under Chaparral, 20 miles north of Napa Comment
  UC26217  Solanum americanum Willis L. Jepson 1894-11-5 Napa Napa River Basin, St. Helina St. Helina; Napa River Basin, St. Helina Comment
  UCD48199  Solanum parishii Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 8 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 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
  CAS-BOT-BC365095  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11626 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC365096  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  JEPS32409  Solidago velutina subsp. californica W. L. Jepson 1944-7-30 27540 Napa Four Corners , Four Corners (Howell Mt.) Comment
  UC127128  Solidago velutina subsp. californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7117 Napa Alta Loma Ranch Howell Mountain, Alta Loma Ranch 487 Comment
  JEPS106873  Soliva sessilis Jake Ruygt 1986-4-19 1711 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 36 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
  UCD41328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 Comment
  UCD54328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  UC1198270  Sparganium erectum subsp. stoloniferum Joseph P. Tracy 1938-8-7 16093 Napa between Napa City and Yountville; Napa Valley 30 Comment
  UCD99232  Spergularia macrotheca var. leucantha S. Galen Smith; J. Anderson 1957-6-7 2957 Napa Myrtledale Hot Springs, 1.5 miles north of Calistoga. 121 Comment
  CAS-BOT-BC390292  Spergularia macrotheca var. longistyla Alice Eastwood; John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs Comment
  JEPS112630  Stachys ajugoides var. rigida Jake Ruygt 1976-5-14 70 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  RSA505701  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa Stream near Etna Springs. 366 Comment
  HSC99327  Stachys rigida C. B. Wolf 1928-5-3 1821 Napa Hawkins Mt. Inn Camp, Mt. St. Helena Grade Comment
  POM118339  Stachys rigida subsp. quercetorum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD81440  Stachys rigida var. quercetorum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  UCD99477  Stellaria nitens J. M. Tucker 1977-4-24 4389 Napa above Eticuera Creek; west side of Berryessa - Knoxville Road, 15.6 miles by road north of junction with Pope Canyon Road (2.3 miles southeast of Knoxville Mine). 304 Comment
  UCD37097  Stephanomeria virgata Beecher Crampton 1956-8-28 3878 Napa 0.5 mile southwest of Monticello Dam, Vaca Mountains. Comment
  JEPS126107  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 1978-8-29 401 Napa 8.3 miles N of Redwood Road on Dry Creek Road. Rutherford 7.5' Qua. Comment
  UCD169855  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along the west side of Capell Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles(air) west of Winters. 133 Comment
  UC35826  Stephanomeria virgata subsp. pleurocarpa Willis L. Jepson 1893-9-23 Napa Upper Napa Valley Napa River Basin Comment
  JEPS122972  Stipa lepida Jake Ruygt 1982-5-12 1243 Napa American Canyon Road, 0.7 mile east of Flosden Road. Quad: Cordelia. Comment
  HSC44256  Stipa pulchra Robert M. Specht 1977-4-19 685 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  SEINET10603940  Stipa pulchra David D. Keck 1931-4-2 Keck 1004 Napa Foot of Wooden Valley grade, 4 miles Ne of Napa. Common on open, rolling slopes. 50 Comment
  UC1292770  Streptanthus breweri Freed W. Hoffman 1947-9-11 1069 Napa Butts Canyon North Coast Ranges Comment
  UCD115961  Streptanthus breweri Arthur M. Shapiro 1979-5-14 s.n. Napa Butts Canyon, above Snell Valley Road. Comment
  UCD74402  Streptanthus breweri Jake Ruygt 1980-6-11 930 Napa 0.2 mile east of Hwy. 128 on Berryessa-Knoxville Rd. 195 Comment
  JEPS106607  Streptanthus breweri var. breweri Jake Ruygt 1981-5-6 1019 Napa .2 miles east of Walter Spprings bridge on Pope Rd. 207 Comment
  JEPS106609  Streptanthus breweri var. hesperidis Jake Ruygt 1995-6-17 3505 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 Comment
  UC956593  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-9-3 2998 Napa Conn Dam North Coast Ranges Comment
  UCD164556  Streptanthus glandulosus A. Amezcua 1995-4-29 1 Napa Along cut of Berryessa- Knoxville Road, 200 m northeast of intersection with Hwy 128 (near turtle rock). 250 Comment
  POM143636  Streptanthus glandulosus C. F. Baker 1903-4-20 2619 Napa Mt. St. Helena. Comment
  CAS-BOT-BC87163  Streptanthus glandulosus subsp. glandulosus Alice Eastwood 1915-6-6 4685 Napa Mount Saint Helena. Comment
  JEPS106602  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1989-4-8 2252 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 249 Comment
  UC1177074  Streptanthus glandulosus subsp. glandulosus Peter H. Raven 1951-5-6 2825 Napa burn below Conn Dam 274 Comment
  UC735050  Streptanthus glandulosus subsp. glandulosus Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3049 Napa se slope of mt. near old inn; Mount St. Helena Comment
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Jun 19 2014
  UCD116005  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon. Comment
  JEPS100815  Streptanthus hesperidis Dean Wm. Taylor with Mey Akasah 1999-6-4 17217 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  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
  CAS-BOT-BC87330  Streptanthus hesperidis Roger Raiche 1986-5-5 60213 Napa Near Middletown, ca. 2 miles north on state route 29. 304 Comment
  SEINET11998400  Streptanthus hesperidis Unknown 1986-1 60213 Napa near Middletown, ca 2 mi N on CA 29 305 Comment
  UCD149071  Streptanthus morrisonii G. Ledyard Stebbins 1985-6-17 C 533 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 Comment
  UCD170356  Streptanthus morrisonii Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 855 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 468 Comment
  UCD19318  Symphoricarpos albus var. laevigatus M. A. Bibbo; E. Dean 2001-7-6 10 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.8 air miles from jct. with S Decker canyon rd. 20 yards off of the road, up a small dry creek, on N facing slope of drainage. 198 Comment
  CAS-BOT-BC97740  Symphyotrichum chilense John Thomas Howell 1933-8-27 11627 Napa Sage Canyon, Napa Range Comment
  JEPS104576  Symphyotrichum lentum Jake Ruygt 1993-10-24 3290 Napa near Fagan Slough. 0 Comment
  JEPS40796  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley Comment
  UC1536891  Symphyotrichum spathulatum G. H. True Jr. 1937-10-12 842 Napa near Lokoya Lodge Comment
  JEPS104533  Symphyotrichum subulatum Jake Ruygt 1987-10-17 2110 Napa Fagan's Marsh 0 Comment
  UC672248  Symphyotrichum subulatum Herbert L. Mason 1923-10-6 768 Napa Suisun Marsh, along railroad Suisun Marsh Comment
  CHSC102538  Symphyotrichum subulatum var. parviflorum Lowell Ahart 2009-10-27 16476 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UC126551  Tanacetum parthenium Harley P. Chandler Sep 7 1906-Sep 14 1906 7127 Napa Alta Loma Howell Mountain 487 Comment
  UC1196169  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1587 Napa along creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 304 Comment
  JEPS106595  Thelypodium brachycarpum Jake Ruygt 1982-6-15 1325 Napa Devilshead Rd. area north of Cedar Creek on road to Hunting Cr 387 Comment
  UCD108634  Thermopsis californica var. californica M. Wiesendanger 1927-5-4 689 Napa Monticello-Napa Rd. Comment
  UCD148806  Thermopsis californica var. californica Ellen Dean; Diana Hickson 2014-4-29 8113 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD48028  Thermopsis californica var. californica R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 20 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  SBBG115391  Thermopsis californica var. californica T. Adams 1998-5-10 17 Napa 6 mi up Soda Cyn Rd Comment
  CAS-BOT-BC66489  Thysanocarpus curvipes John Thomas Howell 1931-4-19 6456 Napa Conn Valley. Comment
  CAS-BOT-BC66492  Thysanocarpus curvipes David D. Keck 1931-4-2 1035 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  JEPS106592  Thysanocarpus curvipes Jake Ruygt 1980-5-3 863 Napa .2 miles west of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  SEINET7072529  Thysanocarpus curvipes 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
  CAS-BOT-BC66477  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6097 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66486  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6108 Napa 4 miles from Monticello on Wooden Valley Road, Napa Range. Comment
  CAS-BOT-BC66490  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  JEPS54166  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 e Napa e St. Helena; Napa River Basin, e of St. Helena Comment
  OBI77666  Thysanocarpus curvipes subsp. elegans R. L. Hoover 1968-4-20 60 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn rds Comment
  RSA0039334  Thysanocarpus curvipes var. curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66964  Thysanocarpus laciniatus Katharine Brandegee 1909-6-1 s.n. Napa Pope Valley Grade. 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
  RSA0041645  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles S of Monticello. Comment
  UCD36171  Thysanocarpus radians Beecher Crampton 1952-3-24 1032 Napa 8 miles north of city of Napa, on Soda Springs Road. Comment
  UCD74411  Thysanocarpus radians Jake Ruygt 2002-4-17 4388 Napa North of Foss valley, Atlas Peak Vineyards (Antinori). 463 Comment
  CAS-BOT-BC474518  Tonella tenella G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12024 Napa Quail Ridge Reserve, N slope below field house 370 Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. Comment
  CHSC10710  Tonella tenella Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  POM182721  Tonella tenella D. D. Keck 1931-4-3 1066 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  RSA113980  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa Hills at western edge of Calistoga. Comment
  UCD124646  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa beside Highway 37, 0.4 mie southwest of junction with road to Monticello Dam and Winters. Comment
  JEPS104489  Torilis arvensis Jake Ruygt 1985-5-8 1596 Napa west of Veteran's Home 167 Comment
  UCD17967  Torilis nodosa Ellen Dean; Kate Mawdsley 2001-4-9 686 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
  JEPS48385  Torreya californica Kellogg 1888 Napa Mt. St. Helena Comment
  POM125420  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mount St. Helena Comment
  RSA10626  Torreya californica C. B. Wolf 1928-5-4 1865 Napa Upper slopes of Mount 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
  UCR30536  Torreyochloa pallida var. pauciflora John C. Roos 1939-5-13 271 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  JEPS63925  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6237 Napa hills east St. Helena Comment
  JEPS63927  Toxicodendron diversilobum W. L. Jepson 1915-4-22 6231 Napa hills east St. Helena Comment
  JEPS63929  Toxicodendron diversilobum W. L. Jepson 1913-4-15 5314 Napa Howell Mt. 609 Comment
  UCD48284  Toxicoscordion fontanum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 24 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 487 Comment
  UCD170293  Toxicoscordion fremontii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 833 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 428 Comment
  UCD82592  Toxicoscordion fremontii Ellen Dean; T. Starbuck 2009-5-4 5531 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 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
  JEPS105308  Trichostema laxum Dean W. Taylor 1994-10-7 14711 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  UC1299468  Trichostema laxum Freed W. Hoffman 1947-9-12 1369 Napa Butte Canyon near Black Oak Villa North Coast Ranges Comment
  JEPS112620  Trichostema oblongum Jake Ruygt 1986-6-14 1818 Napa Craters, behind Palisades 719 Comment
  JEPS120352  Trichostema ruygtii Jake Ruygt 1991-8-1 2808 Napa Los Posados Road near fire station. Saint Helena 7.5' Quad. Comment
  UCD166648  Trichostema ruygtii Jake Ruygt 1979-7-3 737 Napa Atlas Peak Road, 7.6 miles north of Westgate Dr. 426 Comment
  UCR25326  Trientalis latifolia John C. Roos 1939-4-29 290 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCD148800  Trifolium albopurpureum Ellen Dean; Diana Hickson 2014-4-29 8107 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 513 Comment
  JEPS65846  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-5-2 13663 Napa e Calistoga (Palisades, near summit of New Pope Valley Grade); Napa River Basin Comment
  UC74964  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1983 Napa Calistoga 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
  UC85329  Trifolium amoenum Michener and Bioletti May 1891 Napa Napa Junction Comment
  JEPS129097  Trifolium angustifolium Jake Ruygt 2016-4-30 6219 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS106794  Trifolium bifidum var. decipiens Jake Ruygt 1993-5-24 3269 Napa Las Posadas State Forest 524 Comment
  JEPS106830  Trifolium campestre Jake Ruygt 1996-5-13 3671 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 310 Comment
  JEPS122769  Trifolium cernuum Jake Ruygt 2011-5-12 5784 Napa Ridgeview Lane south of Howell Mtn Road. Quad: St. Helena. Comment
  JEPS106798  Trifolium ciliolatum Jake Ruygt 1979-4-29 562 Napa .4 miles west of HWY 29 on Kortum Canyon Road 201 Comment
  JEPS65798  Trifolium ciliolatum W. L. Jepson 1924-4-27 10368 Napa Toll House Mt. St. Helena Comment
  SJSU7980  Trifolium ciliolatum J. C. Gibbany 1960-4-30 Napa Redwood Rd, 7 mi NW of Napa Comment
  OBI12704  Trifolium ciliolatum R. L. Hoover 1968-4-20 46 Napa On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd Comment
  JEPS106801  Trifolium depauperatum var. depauperatum Jake Ruygt 1978-4-9 273 a Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UC16483  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  UC16484  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  JEPS65748  Trifolium depauperatum var. truncatum Willis L. Jepson 1893-5-1 13723 Napa from Calistoga (rd to KNights Valley); Napa River Basin Comment
  UCD108523  Trifolium depauperatum var. truncatum P. B. Kennedy 1910-11-1 s.n. Napa Near St. Simeon, upper California. Comment
  UCD38372  Trifolium depauperatum var. truncatum Beecher Crampton 1955-4-4 2390 Napa 2 miles north of Calistoga. Comment
  UCD33218  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  POM197362  Trifolium dichotomum L. R. Abrams 12249 Napa Summit St. Helena Grade. Comment
  UCD118747  Trifolium dubium Katherine Graham; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, along oak woodland. 388 Comment
  JEPS106826  Trifolium fragiferum Jake Ruygt 1983-6-21 1336 Napa Suscol plain, north west side of Kaiser 3 Comment
  UCD48021  Trifolium fucatum L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 25 Napa McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UCD48022  Trifolium fucatum M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 21 Napa Napa County, McLaughlin Reserve, north of Knoxvillle-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 426 Comment
  UCD83445  Trifolium fucatum Jake Ruygt 1989-5-9 2317 Napa American Canyon, Avilla Ranch. 60 Comment
  UCD35286  Trifolium fucatum Beecher Crampton 1955-4-7 2446 Napa 1/2 mile northwest of Knoxville. Comment
  POM68436  Trifolium fucatum var. fucatum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS129081  Trifolium hydrophilum Jake Ruygt 2016-4-18 6194 y Napa South end Meridian Road, Fairfield. Comment
  UCD83724  Trifolium incarnatum Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 3 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 Comment
  UCD38821  Trifolium microcephalum Beecher Crampton 1958-4-29 4757 Napa Capell Valley. Comment
  UC555460  Trifolium microcephalum H. L. Mason 1928-4-13 4340 Napa near spring (Reili School) Comment
  UCD83411  Trifolium microcephalum Jake Ruygt 1982-4-7 1172 Napa Suscol Hill. 24 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
  UCD109164  Trifolium microdon K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  JEPS106713  Trifolium obtusiflorum Jake Ruygt 1990-6-2 2570 Napa Sulphur Canyon 237 Comment
  CDA10894  Trifolium oliganthum G. F. Hrusa, M. Rejmanek 1993-5-15 10989 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  JEPS126078  Trifolium repens Jake Ruygt 1978-9-19 421 Napa Napa River north of Trancas St. Napa 7.5' Quad. Comment
  UCD170428  Trifolium tomentosum Daniel Potter; Daniel McNair 2016-4-23 921 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD38371  Trifolium variegatum Beecher Crampton 1955-4-4 2389 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  SBBG115724  Trifolium variegatum B. Crampton 1962-5-8 6414 Napa 2 mi N of Calistoga, Myrtledale Hotsprings meadow Comment
  HSC2110  Trifolium willdenovii C. B. Wolf 1928-5-3 1785 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UCD149706  Trifolium willdenovii Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD48992  Trifolium willdenovii K. Mogel; B. Pekin and M. Higley 2002-5-4 6 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the lower road that leads to the power lines; 20 ft. upslope of road. 320 Comment
  UCD109875  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa Along Silverado Trail. 76 Comment
  JEPS106754  Trifolium wormskioldii Jake Ruygt 1982-5-8 1229 Napa north side of American Canyon 85 Comment
  CAS-BOT-BC520827  Trillium albidum Peter H. Raven 1950-4-15 1734 Napa Napa: Wooden Valley Comment
  CAS-BOT-BC521018  Trillium chloropetalum var. giganteum Elsa G. Ruckert 1960-3-26 43 Napa 6495 Dry Creek Road; Field to right of private road leading into property. 365 Comment
  JEPS106581  Triodanis biflora Jake Ruygt 1996-5-14 3690 Napa White Cliff Springs; Elder Valley; (Sabini property). 347 Comment
  JEPS110638  Triphysaria eriantha Jake Ruygt 1994-3-26 3336 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  JEPS10402  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 Napa hills sw Napa (Napa); , hills sw Comment
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w Napa Comment
  SEINET5738473 Image available Triphysaria eriantha subsp. eriantha Stan Logan 1965-1 8 Napa Dollarhide Road, ca. 3 miles east of Pope Valley.; Pope Valley Comment
  JEPS110675  Triphysaria pusilla Jake Ruygt 1979-4-17 523 a Napa north of Suscol Hill 24 Comment
  JEPS110677  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1978-4-30 282 Napa .1 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  CDA41891  Triphysaria versicolor subsp. faucibarbata H. Stabo 1960-4-25 s.n. Napa Southern part of county. 0 Comment
  JEPS10432  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 21372 Napa Napa City; Napa River Basin, Napa City 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
  UC1334878  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-15 392 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UC1334861  Triphysaria versicolor subsp. versicolor L. D. Thurman 1964-4-15 393 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UC397022  Triteleia Dr. Goodspeed Jun 1929 Napa near Napa Comment
  UC657698  Triteleia hyacinthina M. Wiesendanger 1928-4-5 867 Napa Calistoga Comment
  IRVC12857  Triteleia hyacinthina var. hyacinthina A. French 1967-5-14 34 Napa Highway 29; 3 mi. S of Streblow Drive Comment
  JEPS110913  Triteleia laxa Jake Ruygt 1981-5-27 1044 Napa American Canyon, .3 mile east of Flosden Rd. 91 Comment
  JEPS110929  Triteleia laxa Jake Ruygt 1986-4-19 1713 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 36 Comment
  SEINET198873  Triteleia laxa R. L. Ferral 1954-5-30 12 Napa 5 feet off road on west side ca. 3 miles south of Capell Valley road junction on Montcello-Napa road 244 Comment
  UCD102761  Triteleia laxa Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 180 Comment
  UCD139382  Triteleia laxa L. P. Thibault 1995-6-2 56 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  UCD159928  Triteleia laxa Alice Warrick 2008-4 s.n/ Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC3311  Triteleia laxa Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  JEPS110925  Triteleia lugens Jake Ruygt 1998-5-18 3975 Napa north of Mt. Vaca 822 Comment
  JEPS110927  Triteleia lugens Jake Ruygt 1999-5-22 4168 Napa Livermore Ranch on road south of White Point. 819 Comment
  CHSC108728  Triteleia peduncularis B. Castro; L. P. Janeway 2002-5-12 1357 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  UC618198  Triteleia peduncularis R. F. Hoover 1938-6-8 3541 Napa South Fork of Butts Creek Comment
  UCD148740  Triteleia peduncularis Jake Ruygt 1980-6-7 925 Napa Napa County; 2.5 miles south of Berryessa Knoxville Rd. on Devilhead Rd. 432 Comment
  CAS-BOT-BC527962  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa Slopes above Capell Creek, north end of Capell Valley Comment
  SEINET3243502  Triteleia peduncularis Sally Walker 1981-1 H- 8 Napa Beside creek, 9.9 miles south of Middletown along Butts Canyon Road. Comment
  UC421850  Triteleia peduncularis Katharine Brandegee Napa Butts Canyon Comment
  JEPS54264  Tropidocarpum gracile Clara A. Hunt 1910-4-6 Napa St. Helena Comment
  CAS-BOT-BC91196  Umbellularia californica Ira L. Wiggins 1932-3-12 5754 Napa Bank of North Fork of Napa River 1 mile north of Calistoga. Comment
  CAS-BOT-BC91199  Umbellularia californica Peter H. Raven 1954-1-22 6384 Napa Sulfur Springs Canyon just north of the resort. 182 Comment
  CDA21069  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11461 Napa Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway, 518 Comment
  POM202744  Umbellularia californica I. L. Wiggins 1932-3-12 5754 Napa Bank of N Fork of Napa River, 1 mile N of Calistoga. Comment
  RSA245297  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa 128 just west of Lake Hennessey. Comment
  RSA3632  Umbellularia californica I. L. Wiggins 1932-3-12 5754 Napa Bank of N Fork of Napa River, 1 mile N of Calistoga. Comment
  UCD170678  Uropappus lindleyi 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD21546  Uropappus lindleyi B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 6 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS35638  Uropappus lindleyi W. L. Jepson 1896-6-2 Napa Napa Valley Comment
  CAS-BOT-BC404188  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1617 Napa Anguin Meadows just west of shopping center Comment
  JEPS43440  Urtica dioica subsp. holosericea W. L. Jepson 1894-11-7 Napa below Napa City Comment
  CAS-BOT-BC199245  Vaccinium ovatum Peter H. Raven 1951-6-26 3070 Napa Wooden Valley Grade 304 Comment
  UCD167017  Vaccinium ovatum Jake Ruygt 1984-3-31 1520 Napa Devil's Canyon. 405 Comment
  JEPS129059  Vancouveria planipetala Jake Ruygt 1979-5-29 640 Napa 2.7 miles north of Mt. Veeder Road on Redwood Road. Sonoma 7.5' Quad. Comment
  JEPS11175  Verbascum blattaria W. L. Jepson 1930-10-19 15705 Napa Conn Creek at mouth of Sage Canyon (Napa Valley); , Conn Creek at mouth of Sage Canyon Comment
  UC27672  Verbascum blattaria Mrs. D. O. Hunt 1899-6-13 Napa St. Helena Comment
  UCD124634  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  UCD50230  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  CHSC107512  Veronica americana M. K. Beyers; F. Favela, J. McDonnell 2009-8-29 211 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). Comment
  RSA756839  Veronica americana Barbara Ertter, Elizabeth Neese 1988-10-2 7951 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  UCD117801  Vicia americana subsp. americana Eileen Hollett; 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
  UCD108690  Vicia americana subsp. americana K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UC162845  Vicia americana var. americana Joseph P. Tracy 1902-5-21 1617 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  JEPS106538  Vicia sativa subsp. nigra Jake Ruygt 1992-4-10 2907 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  JEPS106541  Vicia sativa subsp. nigra Jake Ruygt 1998-6-8 4017 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  UCD167085  Vicia villosa subsp. varia Jake Ruygt 2008-4-24 5304 b Napa Highway 29 at highway 221; west side south of Soscol Creek. 24 Comment
  CAS-BOT-BC537072  Viola lobata R. Bacigalupi 1926-5-29 1508 Napa Just below Molly Patton's Toll house, Mt. St. Helene 701 Comment
  CAS-BOT-BC537081  Viola lobata Carl B. Wolf 1928-5-4 1863 Napa Mt. St. Helena Comment
  RSA44295  Viola lobata E. Z. Lovegrove 1946-4-28 s.n. Napa Along trail to crater, Mt St Helena. Comment
  UCD118128  Viola lobata subsp. integrifolia Linnea Neuhaus; 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
  HSC21837  Viola pedunculata Greg Bos 1963-3-30 55 Napa 1 mi. S of Middletown on Butts Canyon Rd. 335 Comment
  JEPS110842  Viola purpurea subsp. quercetorum Jake Ruygt 1990-4-21 2495 Napa Giles Mead Ranch, Atlas Peak Rd. 441 Comment
  UC19342  Viola purpurea subsp. quercetorum Willis L. Jepson 1893-4-25 Napa Trail to Caux's Cabin; Napa River Basin Comment
  RSA0121706  Vitis californica John H. Thomas 1955-5-21 5147 Napa About 3 miles N of Wooden Valley, near State Hwy #37. 305 Comment
  UCD16227  Vitis californica H. Olmo; G. Ishizuka 1967-10-14 67 03 Napa California. Napa County: 75 yards west of Bridge 21-62, along Soda Creek near Hwy 128 and Silverado Trail. Comment
  UC525658  Vulpia microstachys var. ciliata Joseph P. Tracy 1933-6-2 12482 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, Moore's Creek 426 Comment
  UCD93867  Vulpia microstachys var. ciliata R. Tofsrud 1948-4-1 s.n. Napa M. F. Eaton Ranch, a few miles south of Monticello. Comment
  SACT002520  Vulpia microstachys var. confusa John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam north-facing, rocky slope on south side of highway. Comment
  UC1158118  Vulpia microstachys var. confusa Joseph P. Tracy 1938-6-5 18680 Napa 3 to 4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mt); Northern Coast Ranges, Las Posadas State Forest, Howell Mt. 365 Comment
  CAS-BOT-BC184402  Vulpia microstachys var. pauciflora M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD94443  Vulpia microstachys var. pauciflora Annetta Carter; J. P. Tracy, R. Bacigalupi 1950-5-23 2779 Napa headwaters of Moore Creek (3 - 4 miles east of Angwin), Las Posadas State Forest, Howell Mountain. 365 Comment
  UCD94499  Vulpia microstachys var. pauciflora Beecher Crampton 1956-5-25 3454 Napa Martley Canyon, Vaca Mtns. Comment
  UCD159918  Vulpia myuros Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. Base of hill near road. 243 Comment
  UCD94721  Vulpia myuros A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3541 Napa 1 mile south of Napa-Lake county line, Rt. 29, north slope of Mt. St. Helena. Comment
  SEINET200353 Image available Vulpia myuros f. megalura Joseph P. Tracy 1902-5-21 1613 Napa Howell Mountain; head of Moore's Creek, 3-4 miles East of Angwin's. 518 Comment
  CAS-BOT-BC185698  Vulpia myuros subsp. megalura Peter H. Raven 1950-4-15 1701 Napa Napa 9 Comment
  CAS-BOT-BC128844  Whipplea modesta L. R. Abrams 1928-5-4 12278 Napa Mt. St. Helena toll house. Comment
  UCR43185  Whipplea modesta L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  UCD162174  Woodwardia fimbriata Dylan O. Burge 2014-3-15 1489 Napa Mount Saint Helena. 787 Comment
  SEINET9625147 Image available Woodwardia fimbriata Royal D. Suttkus 1967-6-26 67- 30 -30 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS77767  Wyethia angustifolia Douglas W. James Jr. 1973-5-5 100 Napa about 1/2 mi below driveway to MacDonald Road (3.9 mi nw of junction with Lower Chiles Road on Chiles and Pope Valley Road) 259 Comment
  HSC6319  Wyethia helenioides Greg Bos 1963-3-30 57 Napa 1 mi. S of Middletown on Butts Canyon Rd. 335 Comment
  CAS-BOT-BC383741  Xanthium strumarium Peter H. Raven 1951-10-28 3937 Napa Strand at w. end of Conn Lake 152 Comment
  CDA29789  Xanthium strumarium M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 217 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
  RSA51323  Yabea microcarpa P. H. Raven 1950-5-6 2012 Napa Above place where the W branch of the Napa River meets Rte 29 ca. 1 mile N of Calistoga. 91 Comment
  UCD128201  Yabea microcarpa P. B. Kennedy 1929-5-23 s.n. Napa Grade Rope Valley to Chilies Valley. Comment
  UC1999794  Zauschneria californica H. E. M. Dobson 1977-11-24 289 Napa Monticello Dam, highway 128 Comment
  UCD83402  Zeltnera davyi Jake Ruygt 1992-6-22 3045 Napa Wild Horse V. Ranch, in narrow meadow W of vernal pool. 472 Comment
  JEPS129038  Zeltnera muehlenbergii Jake Ruygt 2016-5-28 6264 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  OBI14123  Zeltnera muehlenbergii Robert F. Hoover 1966-8-23 9936 Napa Butts Cyn, near Lake co. line Comment
  CDA13215  Zigadenus micranthus G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12916 Napa North Coast Biodiversity Arena; Monte Sol Ranch near summit of the Palisades. Near confluence of canyons leading to Bear Valley and Cub Valley. Comment
  UCR43084  Zigadenus micranthus L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  CAS-BOT-BC527190  Zigadenus micranthus Alice Eastwood 1922-5-4 11275 Napa Mt. St. Helena Comment
  CAS-BOT-BC527196  Zigadenus micranthus Peter H. Raven 1951-6-10 2918 Napa Crater Region east of Palisades 762 Comment
  HSC38215  Zigadenus micranthus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-21 2342 Napa Along Morgan Valley Rd. 0.5 mi. from Lake Co. line Comment
  SEINET12057638  Zigadenus micranthus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-5-19 86 -323 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment



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