Search Results — 2000 specimen records retrieved (1478 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CDA34677  Abutilon theophrasti L. Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS115687  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  POM118512  Acer macrophyllum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET2043780 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 673021 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. 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
  UCD117056  Acer macrophyllum Michael A. Vincent; Ethan H. Freid 1998-4-7 8167 Napa along Rt. 128 at road marker 24/80. Comment
  SEINET2145824  Achillea millefolium var. lanulosa H. Popenoe 1949-6-4 36 Napa Putah Canyon, 11 miles west of Winters, on Napa-Yolo county line. Comment
  UCD148098  Achyrachaena mollis Jake Ruygt 1977-4-24 194 Napa Napa County; Butts Canyon Rd. west of Pope Valley Elementary School. 213 Comment
  UCD18178  Achyrachaena mollis Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  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
  UC912571  Achyrachaena mollis A. E. Borell 1928-4-13 142 Napa 6 mi nw Calistoga Comment
  UCD160738  Acmispon brachycarpus Ellen Dean 2015-5-23 8790 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD104336  Acmispon parviflorus R. Tofsrud 1951-5-20 s.n. Napa 4 miles W of Oakville. Comment
  UCD48946  Acmispon parviflorus Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) 'as the crow' flies NW of jct with South Decker Canyon Rd.; along roadside. 243 Comment
  UCD35290  Acmispon wrangelianus Beecher Crampton 1955-4-7 2434 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD161252  Acroptilon repens Jake Ruygt 2005-6-25 4926 Napa Knoxville Site, near abandoned orchard on jeep trail. (Coordinates estimated by label maker at UC Davis). 402 Comment
  SEINET8205419  Adelinia grandis Robert C. Bechtel 1952-3-16 19 Napa Ptah Canyon. Comment
  JEPS44789  Adenostoma fasciculatum W. L. Jepson 1915-12-6 6584 Napa Howell Mt. Comment
  UCD159946  Adenostoma fasciculatum Alice Warrick 2008-4-22 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  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
  UCD137059  Adiantum aleuticum G. F. Hrusa; G. L. Stebbins 1994-3-11 11591 Napa Las Posadas State Forest, Morre Creek. 400 Comment
  CAS-BOT-BC65667  Adiantum jordanii Carl B. Wolf 1928-5-3 1843 Napa base of Mt. St. Helena Comment
  CAS-BOT-BC110729  Aegilops triuncialis A. Delfino 1970-6-17 s.n. Napa 40 acres of dry rangeland, J. Belcher property, Wooden Valley. Comment
  SEINET11687432  Aegilops triuncialis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -317 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC202655  Aesculus californica H. E. McMinn 1922-6-8 171 Napa On summit of Howell Mt. Comment
  CAS-BOT-BC202657  Aesculus californica Peter H. Raven 1950-6-20 2326 Napa St. Helena to Conn Valley, Napa Range Comment
  CAS-BOT-BC202658  Aesculus californica Marion Ownbey; Ruth P. Ownbey 1938-7-9 1701 Napa 6 miles northeast of Napa Comment
  UCD67507  Aesculus californica D. Sanchez-Mata 1996-6-5 s.n. Napa Lake Berryessa. Pope Canyon Road. 180 Comment
  JEPS104510  Agoseris grandiflora Jake Ruygt 1985-5-25 1599 Napa American Canyon, .4 miles east of Flosden Road 137 Comment
  UC604626  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1938-6-6 15842 Napa bewteen Yountville and Napa City; Napa Valley 30 Comment
  CAS-BOT-BC22751  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  POM182727  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  UCD170681  Agoseris heterophylla 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD41314  Agoseris heterophylla Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 5 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  JEPS36373  Agoseris hirsuta Willis L. Jepson 1894-7-19 Napa upper Napa Valley; , Napa River Basin Comment
  UC194724  Agoseris hirsuta C. F. Sonne Apr 1888 Napa Comment
  CAS-BOT-BC13320  Agoseris retrorsa Peter H. Raven 1951-6-10 s.n. Napa Crater Region, E of Palisades 762 Comment
  JEPS45601  Agrimonia gryposepala Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  CAS-BOT-BC127137  Agrostis exarata Peter H. Raven 1951-10-28 3926 Napa Conn Valley. 152 Comment
  CAS-BOT-BC127138  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCD37406  Agrostis exarata Beecher Crampton 1960-5-17 5536 Napa Napa County, 4 miles east of Rutherford. Comment
  UCR267290  Agrostis exarata Stephen P. Rae, Ayzik Solomeshch 2006-5-30 s.n. Napa north side of Soscol Ridge, south of the city of Napa, c. 3/4 km east of Hwy 121, on the south side of Soscol Creek 25 Comment
  UCD32918  Agrostis exarata var. monolepis Beecher Crampton 1965-7-7 7441 Napa Napa County, north end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  POM126103  Agrostis microphylla Joseph P. Tracy 1905-7-6 2228 Napa Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's 366 Comment
  UC187234  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD37941  Agrostis microphylla Beecher Crampton 1962-5-8 6415 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD36593  Agrostis microphylla var. intermedia Beecher Crampton 1955-5-9 2749 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  JEPS71141  Agrostis pallens W. L. Jepson 1936-7-3 17636 Napa Four Corners Napa Range, Howell Mt. Comment
  UCD159958  Aira caryophyllea Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  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
  SACT000925  Aira danthonioides M. Wiesendanger 1927-5-4 Napa Comment
  JEPS97780  Allium amplectens Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2775 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC461091  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  POM203668  Allium amplectens J. T. Howell 1933-6-4 11391 Napa Hills east of Napa. Comment
  CAS-BOT-BC462400  Allium bolanderi B. Crampton 1956-5-25 3477 Napa between Capell and Wooden Valley Comment
  RSA32797  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  POM182671  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE from the summit of Mt. St. Helena, northern Napa County. Comment
  UCD161516  Allium cratericola Jake Ruygt 1990-4-8 2473 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  CHSC108736  Allium falcifolium B. Castro; L. P. Janeway 2002-5-12 1364 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  HSC81861  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1980-5-3 5152 Napa W side of Butts Canyon Rd. at junction with private rd. 244 Comment
  JEPS47616  Allium falcifolium Miss Saidee Wallace 1909-4-23 Napa Pope Valley 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
  CAS-BOT-BC469023  Allium falcifolium Wayne Roderick 1967-5-7 s.n. Napa In serpentine on Butte Canyon Road near Lake-Napa County line. 457 Comment
  RSA195377  Allium falcifolium Gilbert Muth 1967-4-16 630 Napa Snell Valley. 183 Comment
  SEINET195017  Allium fimbriatum A. A. Heller 1941-5-3 16127 Napa Near summit of first ridge W of Knoxville Comment
  CAS-BOT-BC475561  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  JEPS122717  Allium triquetrum Jake Ruygt 1984-4-28 1533 Napa 0.2 mile south of end of Redwood Road. Quad: Sonoma. Comment
  CAS-BOT-BC26676  Allocarya piperi Amos Arthur Heller; H. E. Brown 1902-4-25 5361 Napa Near Napa Comment
  JEPS110941  Allophyllum divaricatum Jake Ruygt 1982-5-1 1218 Napa Soda Canyon west of grade 335 Comment
  JEPS120324  Allophyllum divaricatum Jake Ruygt 1989-4-22 2271 a Napa East of Highway 121 on Highway 128. Capell Valley 7.5' Quad. Comment
  JEPS69369  Allophyllum divaricatum W. L. Jepson 1893-6-26 15060 Napa Howell Mt., Angwin's Meadows Comment
  HSC44005  Allophyllum glutinosum Robert M. Specht 1977-4-19 694 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS58611  Alnus rhombifolia Willis L. Jepson 1901-8-6 1717 Napa White Sulphur Springs Napa River Basin Comment
  UC1197953  Alnus rhombifolia J. P. Tracy 1902-5-16 1490 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 304 Comment
  JEPS123022  Alopecurus pratensis Jake Ruygt 1998-4-18 3910 b Napa Pope Canyon Road north of Hardin Road intersection. Quad: Saint Helena. Comment
  UC912663  Alopecurus saccatus Herbert L. Mason 1931-4-12 5838 Napa ground s. of Napa State Hospital Napa State Hospital Comment
  POM226226  Amaranthus powellii J. T. Howell 1933-9-17 11667 Napa North of Vallejo Comment
  UCD161575  Amaranthus powellii Jake Ruygt 2006-9-5 5096 Napa Rector Creek about 4/10 mile east of Conn Creek. 41 Comment
  RSA92940  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near slaughterhouse Point, Napa River. 0 Comment
  UC1199257  Ambrosia psilostachya Joseph P. Tracy 1940-10-27 16796 Napa by roadside near Suscol 15 Comment
  CAS-BOT-BC136749  Amelanchier utahensis H. E. McMinn 1922-6-8 172 Napa Summit of Howell Mt. Comment
  UC1127815  Amelanchier utahensis B. Schreiber 1936-3-5 2207 Napa 0.3 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
Read comments
Jun 12 2012
  JEPS115757  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS120342  Ammannia robusta Jake Ruygt 2005-10-8 4947 Napa Ink Grade near Butts Canyon Road. Aetna Springs 7.5' Quad. Comment
  JEPS16024  Ammi majus W. L. Jepson Sep 23 1893-Sep 25 1893 14204 Napa Yountville Comment
  JEPS16027  Ammi majus Willis L. Jepson 1893-4 14205 Napa near Yountville; Napa Valley, Napa R. Basin Comment
  UC1199062  Amorpha californica var. napensis Joseph P. Tracy 1899-7-12 390 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  CDA31393  Ampelodesmos mauritanicus William J. Ferlatte, M. J. Foskett 1975-7-23 Napa Old Toll Road, north of Calistoga. 0 Comment
  UCD18151  Amsinckia intermedia Jean Shepard; with Plant Biology 102 class 2000-4-29 196 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
  UC1094054  Amsinckia intermedia Francia Chisaki 1954-4-15 593 Napa 5 mi n of cut-off from Hwy #29 on Silverado Trail Comment
  UCD70458  Amsinckia intermedia M. Thibodeau 1995-4-15 10 Napa W. of city of Winters, along hwy 128. Quail Ridge Reserve; 70m E of main cabin. 274 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
  RSA393785  Ancistrocarphus filagineus J. T. Howell 1931-4-3 6129 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range. Comment
  UC1535365  Ancistrocarphus filagineus J. M. Tucker 1977-4-24 4390 Napa up jeep track ca. 1/3 mi from Berryessa-Knoxville Road (15.9 mi (by road) n of junction with Pope Canyon Road (2 mi se of Knoxville Mine)) 365 Comment
  UCD48437  Angelica californica K. Mogel; B. Pekin and M. Higley 2002-5-4 8 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 1100 ft along the lower road that leads to the power lines; immediately upslope of road. 304 Comment
  UCD151214  Angelica tomentosa Jake Ruygt 1999-7-28 4213 Napa Sage Canyon Rd. near Conn Dam. 79 Comment
  JEPS15908 Image available Angelica tomentosa W. L. Jepson 1895-8-30 13484 Napa near Calistoga; ; Near Calistoga, upper Napa Valley Comment
  UCD117789  Anisocarpus madioides Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, where main meadow and forest meet. 387 Comment
  UCD129050  Anthemis cotula Kamala Crompton 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD129077  Anthemis cotula Helen K. Sharsmith 1953-6-15 4189 Napa southeast slope of Cappell Valley just west of junction of Cappell Valley and Monticello roads. Inner north coast ranges. 274 Comment
  JEPS110620  Antirrhinum kelloggii Jake Ruygt 1980-5-13 881 Napa 3.0 miles south of Oakville Grade on Dry Creek Rd. 152 Comment
  JEPS21670  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa about 2 mi sw Oakville 152 Comment
  UCD33685  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa 4.7 miles east of Conn Reservoir Dam, State Hwy. 128. Comment
  UCD170280  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 814 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  JEPS5286  Antirrhinum virga Willis L. Jepson 1893-6-26 21298 Napa Howell Mt. Napa River Basin (above Toland House) Comment
  UC26386  Antirrhinum virga Willis L. Jepson 1893-9-23 Napa Mt. St. Helena; Napa River Basin Comment
  UC726147  Antirrhinum virga A. A. Heller 1940-6-13 15741 Napa w side Mt. St. Helena (along the road to the summit below the first turn toward the e side) Comment
  UCD17990  Aphanes occidentalis Ellen Dean; with Plant Biology 102 class 2001-4-14 716 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  UCD144657  Apiastrum angustifolium 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. 243 Comment
  UCD161349  Apocynum androsaemifolium Jake Ruygt 1986-6-28 1843 Napa Mt. St. Helena along Highway 29, mile 45.93. (Coordinates estimated by label maker at UC Davis). 640 Comment
  JEPS19477 Image available Apocynum androsaemifolium Willis L. Jepson 1893-6-26 14622 Napa e St. Helena (valley floor); Napa River Basin; valley floor, E of St. Helena, Napa River Basin Comment
  UC623308  Apocynum androsaemifolium H. L. Mason 1939-5-18 12103 Napa near summit of Wooden Valley Grade Comment
  CAS-BOT-BC392030  Aquilegia eximia John Thomas Howell 1933-8-27 11636 Napa Sage Canyon, Napa Range 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
  CAS-BOT-BC16718  Arabis modesta Donald V. Hemphill 1958-3-17 s.n. Napa About 100 feet above site of Monticello Dam, Napa-Yolo county line. Comment
  JEPS74731  Arabis oregana Stephen P. Rae and Roman Gankin 1975-4-26 Napa adjacent Cedar Creek (slopes above cut) 548 Comment
  JEPS66570  Arbutus menziesii Willis L. Jepson 1893-4-25 14653 Napa w of St. Helena (Trail to Caux's Cabin); Napa River Basin Comment
  RSA797289  Arbutus menziesii Keith E. Hoffmaster 1946-3-23 1064 Napa Napa range, along Napa-Monticello road Comment
  SEINET3094065 Image available Arbutus menziesii V. R. Wandres 1967-6-26 67- 30 -1 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. 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
  UC549537  Arctostaphylos J. E. Adams 1934-3-10 643 Napa Mt. St. Helena Comment
  HSC7607  Arctostaphylos canescens C. B. Wolf 1928-2-25 1502 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  JEPS38631  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14695 Napa first summit Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC23956  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1858 Napa Mt. St. Helena Comment
  CAS-BOT-BC23978  Arctostaphylos canescens subsp. canescens H. E. McMinn 1926-1-2 1629 C Napa Trail up Mt. St. Helena Comment
  CAS-BOT-BC24016  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-7-13 5362 Napa Crater Country Comment
  CAS-BOT-BC24023  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  RSA301585  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena. 1067 Comment
  RSA70861  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4564 Napa Crater Country' near Mt. St. Helena. Comment
  UC1424918  Arctostaphylos canescens subsp. canescens Gary D. Wallace 1974-12-23 1346 Napa along Hwy 29 just n Robert Louis Stevenson State Park (se of Mt. St. Helena) 609 Comment
  UC419751  Arctostaphylos canescens subsp. canescens Mrs. H. P. Bracelin 1930-7-13 25 Napa s slope Mt. St. Helena Comment
  UCD73392  Arctostaphylos canescens subsp. canescens 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
  UC876541  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1940-3-6 9496 Napa on Franz Val. road from Calistoga which branches off from Calistoga-Santa Rosa rd thru. Pet. Forest about 2 mi from center of Calistoga Comment
  JEPS38619  Arctostaphylos columbiana Anson S. Blake Apr. 1923 Napa Moore Creek Howell Mountain Comment
  CAS-BOT-BC23624  Arctostaphylos crustacea Alice Eastwood; John Thomas Howell 1937-4-4 3828 Napa Wooden Valley Grade, E of Napa Comment
  CAS-BOT-BC24862  Arctostaphylos glandulosa subsp. cushingiana Gertrude Raven Hardman 1968-2-1 s.n. Napa Pope Valley Comment
  RSA10632  Arctostaphylos glandulosa subsp. cushingiana C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC23143  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood; John Thomas Howell 1939-6-11 7432 Napa Hills west of Calistoga Comment
  CAS-BOT-BC23149  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1918-9-3 7941 Napa Mt. St. Helena Comment
  UC1120199  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1932-5-16 83 Napa Sarcos Creek Napa Quadrangle Comment
  UC1120222  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1939-3-18 871 Napa 1 1/2 mi ne Mt. Veeder; Sonoma Quadrangle Comment
  JEPS46407  Arctostaphylos manzanita unknown 1896-2-23 Napa Howell Mt. Comment
  RSA633049  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24806 Napa On southeast side of Mt. St. Helena. 810 Comment
  RSA734316  Arctostaphylos manzanita C. B. Wolf 1928-5-4 1861 Napa Upper slopes of Mount St. Helena. Comment
  UCD162097  Arctostaphylos manzanita Dylan O. Burge 2014-3-15 1495 Napa Mount Saint Helena. 760 Comment
  UCD170146  Arctostaphylos manzanita Daniel Potter; Daniel Potter, Ninh Khuu, Travis Parker 2015-3-7 738 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 Comment
  UCR43195  Arctostaphylos manzanita 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
  CAS-BOT-BC24280  Arctostaphylos manzanita subsp. manzanita Rimo Bacigalupi 1924-2-22 s.n. Napa 5 mi. from Calistoga on toll road over Mt. St. Helena. 457 Comment
  CAS-BOT-BC24284  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-8-27 11633 Napa Sage Canyon, Napa Range. 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
  JEPS120406  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5113 Napa Mt. Veeder Road, 0.2 mi. south of Lokoya Road. Comment
  JEPS122805  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5109 Napa Howell Mtn Road, 0.2 mi SW of Conn Valley Road. QUAD: St. Helena. Comment
  JEPS38743  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1913-4-15 5319 Napa lower w slopes Howell Mt. Comment
  JEPS78437  Arctostaphylos manzanita subsp. manzanita Edward Lee 1936-3-15 1804 Napa 3/4 mi out Rutherford (Rutherford-Pope Valley road); Rutherford-Pope Valley road Comment
  SEINET265723 Image available Arctostaphylos patula Royal D. Suttkus 1967-6-26 67- 30 -18 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC43832  Arctostaphylos stanfordiana H. E. McMinn 1922-6-8 173 Napa Howell Mt. Comment
  CAS-BOT-BC43867  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CDA11264  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11919 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  JEPS38884  Arctostaphylos stanfordiana W. L. Jepson 1936-12-7 17992 Napa Four Corners Napa Range, Howell Mt. Comment
  OBI14517  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 244 Comment
  UC127170  Arctostaphylos stanfordiana Harley P. Chandler Sep 7 1906-Sep 14 1906 7118 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD53865  Arctostaphylos stanfordiana Charles B. Heiser Jr. 1947-2-18 1884 Napa Between Napa and Monticello, crest of first ridge. Comment
  SEINET11977846  Arctostaphylos stanfordiana L. S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi NE of Napa 274 Comment
  UCD73433  Arctostaphylos stanfordiana subsp. decumbens 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
  RSA10631  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-5-4 1860 Napa Upper slopes of Mount St. Helena. Comment
  RSA181909  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1936-12-7 17992 Napa Howell Mt. Comment
  RSA51335  Arctostaphylos stanfordiana subsp. stanfordiana P. H. Raven 1950-4-15 1736 Napa Wooden Valley grade above Napa. 457 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
  UCD20647  Arctostaphylos viscida R. J. Blenkush; J. H. Richards 2000-1-29 41 Napa McLaughlin Reserve. Collected at the intersection of Hunting Creek Road with Devilhead Road. 536 Comment
  UCD52565  Arctostaphylos viscida Beecher Crampton 1964-10-8 7218 Napa Napa County; north end Capell Valley, slopes above Capell Creek, State Hwy. 128. Comment
  CHSC83413  Arctostaphylos viscida subsp. pulchella L. P. Janeway; B. Castro 2002-5-12 7546 Napa Inner North Coast Ranges. Ridge top north of Cedar Creek, along road from Devilhead Road. 579 Comment
  JEPS120408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 2007-3-31 5135 Napa Las Posadas State Forest, NE of Recreation Flat. Comment
  CAS-BOT-BC47449  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1979-9-4 3413 Napa Few yards from Napa-Lake County line on highway 29 north of Robb Louis Stevenson State Park Comment
  HSC97524  Aristolochia californica Andrew Joseph Eckert 2001-3-3 7 Napa Alston Park, 1.5 mi. N of Redwood Creek Rd. on W side of Napa Valley 122 Comment
  UC545801  Aristolochia californica Annetta M. Carter 1936-3-15 1040 Napa on rd. to Pope Valley 3.4 mi. out of Rutherford (Conn Creek Canyon); Conn Creek Canyon Comment
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Sep 12 2013
  UCD20914  Aristolochia californica V. (Shorty) Boucher 2002-3-27 5 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  UCD48560  Aristolochia californica C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 7 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail, 45 ft. NW of jct with West Rd. 152 Comment
  JEPS35590  Arnica discoidea L. R. Heckard 1964-6-11 1364 Napa along Cal. 121 about 1/2 mi w of the first road summit e of Napa Comment
  JEPS104574  Artemisia douglasiana Jake Ruygt 1978-6-28 374 Napa 2.0 miles north of Browns Valley Rd. on Partrick Rd. 164 Comment
  SEINET258289  Artemisia douglasiana Unknown 1986-9-19 10228 Napa Napa County: In the northern end of the Napa Valley on the west side of Calistoga. 110 Comment
  JEPS104559  Asarum caudatum Jake Ruygt 1980-3-30 821 Napa Van Ness Canyon 609 Comment
  UC22963  Asclepias cordifolia Willis L. Jepson 1894-5-1 Napa St. Helena Napa River Basin Comment
  UCD121260  Asclepias cordifolia Dan Kurtak 1969-5-3 50 Napa Near Chiles Creek on Pope Valley Road 2 miles south of junction with Lower Chiles Valley Road. Comment
  UCD148095  Asclepias cordifolia Jake Ruygt 1994-4-26 3359 Napa ridge in Pope Valley (Juliana Vineyard); north of Barnett Rd. 256 Comment
  UCD70471  Asclepias cordifolia P. J. Plummer 1995-6-5 s.n. Napa Napa County W of city of Winters, off hwy 128. 73 Comment
  UC1299582  Asclepias solanoana Freed W. Hoffman 1949-6-4 3215 Napa Oat Hill Mine road North Coast Ranges (northern Napa County) Comment
  JEPS103979  Aspidotis densa Jake Ruygt 1979-4-6 486 Napa .3 mile east of Butt's Canyon Rd. on Snell Valley Road 213 Comment
  JEPS60031  Aspidotis densa W. L. Jepson 1938-5-22 18815 Napa Limekiln Creek Canyon; Pope Valley Comment
  UC764693  Astragalus breweri R. F. Hoover 1941-4-26 4920 Napa between Walter Springs and Pope Valley; between Walter Springs and Pope Valley Comment
  UCR146403  Astragalus breweri Beecher Crampton 1961-4-6 5854 Napa Inner North Coast Ranges, 1 mile north of Moskowite Corners, along State Hwy. 128 244 Comment
  RSA424722  Astragalus claranus Aaron Liston, M. Blumler, B. Grummer 1987-4-25 660 -1 Napa Napa Valley State Park. Comment
  JEPS100818  Astragalus clevelandii Dean W. Taylor 2000-6-29 17470 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  CAS-BOT-BC178292  Astragalus gambelianus John Thomas Howell 1931-4-19 6444 Napa Conn Valley Comment
  UC70374  Astragalus gambelianus Milo S. Baker 1896-5-8 27 Napa near Four Corners; near Four Corners Comment
  CAS-BOT-BC193127  Astragalus rattanii var. jepsonianus Maxine Wilkes 1933-5-21 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC193128  Astragalus rattanii var. jepsonianus Baker 1938-4-24 8938 Napa Near Pope Valley Comment
  CAS-BOT-BC17531  Athysanus pusillus David D. Keck 1931-4-2 1005 Napa Foot of Wooden Valley grade, 4 miles northeast of Napa. 50 Comment
  JEPS53211  Athysanus pusillus W. L. Jepson 1936-4-5 17416 a Napa Knoxville, ne Napa County Knoxville Comment
  UCD56245  Avena barbata Beecher Crampton 1965-6-30 7407 Napa Solano -- Napa Co.: Mt. Vaca. Vaca Mtns. 872 Comment
  CAS-BOT-BC145930  Avena fatua Beecher Crampton 1956-3-13 3228 Napa State Highway 128, 1 mile south of Rutherford, Napa Valley. Comment
  UCD56313  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3539 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCR197925  Avena fatua Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford Comment
  UCD118147  Baccharis pilularis Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of fire station, along undeveloped road, south side of road. 519 Comment
  CAS-BOT-BC106728  Baccharis salicifolia Peter H. Raven 1951-5-6 2811 Napa Conn Cr. 2.5 miles from Rutherford to Conn Dam 48 Comment
  UCD129468  Baccharis salicifolia subsp. salicifolia G. F. Hrusa; S. Larson 1995-4-10 12055 Napa along Chiles Valley-Pope Valley Road. Approximately 2 miles east of Lake Hennessey. 200 Comment
  CAS-BOT-BC16525  Barbarea orthoceras Peter H. Raven 1964-5-9 19068 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  JEPS42569  Barbarea orthoceras W. L. Jepson 1924-4-6 10319 Napa Howell Mountain Napa RAnge 914 Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  JEPS68458  Beckmannia syzigachne W. L. Jepson 1923-6-3 9977 Napa e Yountville; Napa Valley Comment
  JEPS75994  Beckmannia syzigachne W. L. Jepson 1936-6-2 17608 Napa hills to e Yountville (e side of road); Napa Valley Comment
  UC1010752  Beckmannia syzigachne Peter H. Raven 1951-6-24 3028 Napa Brown's Valley to Sonoma-Napa Road 91 Comment
  CDA6264  Bellardia trixago T. C. Fuller 1958-6-4 Napa 2 miles south of Napa. 0 Comment
  JEPS14992  Bellardia trixago B. Schreiber 1936-3-5 2213 Napa 1 mi sw Napa; Napa Quad. Comment
  UC1177880  Bellardia trixago Francia Chisaki 1957-5-30 967 Napa 0.2 mi s Highway 37 junction with Highway 28 (across from Old Raney Ranch) Comment
  UCD122106  Bellardia trixago J. M. Tucker 1952-5-17 s.n. Napa ca. 7 miles southwest of Napa. Comment
  JEPS106879  Berberis aquifolium var. dictyota Jake Ruygt 1992-3-28 2869 Napa small tributary to Butts Creek, near Berryessa Estates 161 Comment
  CAS-BOT-BC75847  Berberis pinnata Ira L. Wiggins 1949-4-30 12089 Napa Eastern flank of Mount Saint Helena. 914 Comment
  UCD167067  Bergia texana Jake Ruygt 2001-8-4 4327 Napa South shore of Lake Hennessey near boat ramp. 94 Comment
  JEPS106772  Boechera breweri subsp. breweri Jake Ruygt 1988-4-17 2155 Napa Mt. St. Helena below SW peak; upper portion of canyon 1103 Comment
  JEPS110698  Boisduvalia stricta Jake Ruygt 1990-6-11 2592 b Napa City of Napa, Milliken Reservoir watershed property 341 Comment
  CAS-BOT-BC28215  Bolboschoenus fluviatilis Martin Simon Jussel 1935-8-10 s.n. Napa St. Helena Comment
  UCD140006  Bolboschoenus glaucus G. F. Hrusa; S. Larson 1995-4-10 12061 Napa Along Pope Valley Rd. approx. 1 mile east of intersection of Pope Valley-Chiles Valley Road and Pope Canyon Road. 180 Comment
  SBBG128576  Bolboschoenus maritimus L. Ahart 2009-10-12 16460 Napa below high water line of Lake Berryessa, along Capell Crk S of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd 133 Comment
  JEPS53245  Brassica nigra W. L. Jepson 1894-11-1 59 E Napa Napa, fields to the south Napa Comment
  UCD121153  Briza maxima Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7349 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  OBI22481  Briza minor R. L. Hoover 1968-4-20 61 Napa In field NE of jctn of Aetna Springs, Pope Valley and Butts Cyn rd Comment
  JEPS7654  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House; Mount Saint Helena Comment
  UCD139166  Brodiaea elegans subsp. elegans L. P. Thibault 1995-6-2 55 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  UCD148735  Brodiaea elegans subsp. elegans Jake Ruygt 1980-6-4 911 Napa Napa County; 4.6 miles NE of Silverado Trail on Soda Canyon Rd. 335 Comment
  JEPS7659  Brodiaea elegans subsp. elegans W. L. Jepson 1893-6-24 Napa near Napa; Lower Napa Valley Comment
  UCD77197  Brodiaea leptandra Robert E. Preston 2004-6-26 2265 Napa Angwin, along Las Posadas Rd, ca. 1.1 mi from Howell Mountain Rd 512 Comment
  CAS-BOT-BC227245  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37 Comment
  SBBG118107  Bromus C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  UCD112240  Bromus Christopher Mallek 2008-5-12 AS2- 11 Napa Aetna Springs. 668 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
  UCD36562  Bromus carinatus Beecher Crampton 1954-5-6 1830 Napa 5 miles south of Monticello. Comment
  UCD57882  Bromus carinatus Beecher Crampton 1954-5-6 1830 Napa 5 miles south of Monticello. Comment
  UCD58266  Bromus carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and Southeast Capell Valley. Comment
  JEPS123010  Bromus carinatus var. carinatus Jake Ruygt 1986-5-24 1791 Napa Table Mountain. Quad: Detert Reservoir. Comment
  UCD149688  Bromus carinatus var. carinatus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  JEPS123001  Bromus catharticus var. elatus Jake Ruygt 1995-4-8 3417 Napa Silverado Trail at Souza Lane, Napa. Quad: Napa. Comment
  UCD120796  Bromus diandrus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7333 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CAS-BOT-BC155073  Bromus hordeaceus Ira L. Wiggins 1928-3-25 2871 Napa Roadside 1.5 mile northeast of Calistoga. Comment
  UC60203  Bromus hordeaceus Willis L. Jepson 1893-1 Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  UCD48842  Bromus hordeaceus A. Van Houtte; E. Leger, C. Hohn 2001-4-14 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; N of Research Station, in an open meadow in a saddle of Decker Ridge Rd., N of jct with South Decker Canyon Rd. 365 Comment
  SBBG20183  Bromus laevipes M. S. Walters 1960-6-18 Napa St Hwy 128 ca. 1 mi W of Conn Lake picnic grounds (ca. 4 mi E of Rutherford) Comment
  UCD160749  Bromus laevipes Ellen Dean 2015-5-23 8801 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  UCD32919  Bromus laevipes Beecher Crampton 1965-6-17 7409 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD72385  Bromus laevipes G. F. Hrusa; Marcel Rejmanek 1993-5-15 10973 Napa Quail Ridge Reserve--Univ. of California. 225 Comment
  SACT000713  Bromus rubens John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  UCD59776  Bromus tectorum Beecher Crampton 1959-5-26 5264 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCD18034  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 585 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD48083  Calandrinia breweri B. Takahashi; S. Burgess, A. Ryan, J, Pierner, A. Hufton 2000-4-29 3 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  JEPS112605  Calandrinia ciliata Jake Ruygt 1979-3-5 438 Napa Trefethen Vineyards 30 Comment
  JEPS128910  Calandrinia ciliata Jake Ruygt 1994-3-7 2996 Napa Lewelling Ranch, west end of Lewelling Lane, Saint Helena. Rutherford 7.5' Quad. Comment
  JEPS85054  Calandrinia ciliata Larry Heckard and Mary Ashton 1969-5-3 2198 Napa ca 7 mi ne Napa (off the Atlas Peak Rd.); Mead Ranch 457 Comment
  UCD159463  Calendula arvensis D. S. Park 2010-8-13 217 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 76 Comment
  UCD83408  California macrophylla Jake Ruygt 1993-5-1 3240 Napa SW end of Cedar Creek Rd. 438 Comment
  UC146148  Callitriche heterophylla var. bolanderi J. P. Tracy 1902-5-21 1614 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  JEPS120388  Callitriche marginata Jake Ruygt 1996-5-19 3710 Napa West of Barnett Road near Burton Creek, (Peju Pr) Pope Valley Comment
  UC146150  Callitriche marginata Joseph P. Tracy May 15 1903-May 18 1903 1870 Napa Napa Valley near Calistoga; Northern Coast Ranges 91 Comment
  POM169353  Calochortus amabilis Joseph P. Tracy 1902-5-15 1480 Napa Head of Moores Creek, 3-4 mi E of Angwins. 366 Comment
  RSA3285  Calochortus amabilis D. D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  RSA450207  Calochortus amabilis J. C. Roos 1939-3-27 305 Napa Snell Valley, Pacific Union College, Angwin Comment
  UCD139484  Calochortus amabilis Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  UCD18372  Calochortus amabilis R. Wenk 2000-5-14 9 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD22717  Calochortus amabilis Charles Gasser 1978-4-22 15 Napa Chiles/Pope Valley Road, 1.6 miles SW of junction with lower Chiles Valley Road. Comment
  UCD48262  Calochortus amabilis R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 4 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  CAS-BOT-BC488489  Calochortus amabilis R. Baeigalupi 1925-4-26 1226 Napa hills 1 mi north of Napa Soda Springs Comment
  CAS-BOT-BC488496  Calochortus amabilis Betty H. Johnson 1959-6-8 606 Napa In meadow near St. Helen River 2.4 mi. S.W. of Middletown. Comment
  HSC83400  Calochortus amabilis Mark S. Lubinski, Claude Galopin 1975-4-27 19 Napa Hwy. 128 off Sage Canyon Rd. Comment
  RSA145271  Calochortus amabilis Simonds 1928-05 SN Napa Browns Valley. Comment
  SBBG953  Calochortus amabilis H. and M. Dearing 1939-4-30 3236 Napa N of Saint Helena Comment
  UC796458  Calochortus amabilis Ira L. Wiggins 1949-4-30 12073 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  RSA292924  Calochortus luteus Reino Alava 1957-5-30 974 Napa Napa-Solano county line; Route 128 Comment
Read comments
Oct 30 2013
  CAS-BOT-BC492539  Calochortus luteus Peter H. Raven 1952-5-31 4138 Napa Summit of hill sw. Rector Canyon 304 Comment
  HSC43973  Calochortus luteus Robert M. Specht 1977-4-27 800 Napa N side of Morgan Valley Rd. 622 Comment
  IRVC19763  Calochortus luteus Anne E. Justice 1981-4-27 s.n. Napa 8.5 miles from Winters on Hwy 128, 1.5 mi before Monticello Dam. Comment
  SEINET8197377  Calochortus luteus W. Roderick 1967-5-20 s.n. Napa Snell Valley. 457 Comment
  UCD139531  Calochortus luteus M. Ensign 1943-5-28 322 Napa 21 miles from Monticello on road to Lower Lake. Comment
  UCD164687  Calochortus superbus L. P. Thibault 1995-6-2 64 Napa East side of lower Chiles Valley Road, 0.5 miles northwest of Highway 128. 300 Comment
  CAS-BOT-BC483614  Calochortus tolmiei L. R. Abrams 1928-5-4 12291 Napa 4 miles south of Middletown Comment
  UCD139594  Calochortus umbellatus G. Ledyard Stebbins 1984-4-8 C 405 Napa Chiles Valley. Comment
Read comments
Apr 29 2019
  CAS-BOT-BC132619  Calochortus uniflorus Alice Eastwood 1915-6-5 4632 Napa Calistoga Comment
  UC143576  Calochortus uniflorus C. F. Baker 1903-4-19 1979 Napa Calistoga Comment
  UC3488  Calochortus uniflorus Willis L. Jepson 1893-5-2 Napa near Calistoga; Napa River Basin, Salt Marsh Comment
  UCSB646  Calochortus venustus Keator, Glenn 1958-6-16 Napa Near Lake Hennessy, Napa Range Comment
  JEPS113960  Calochortus vestae Jake Ruygt 1996-6-1 3733 Napa Highway 128 about 3/4 mile north of Turtle Rock Cafe. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC270612  Calycadenia multiglandulosa Edward Lee Greene 1881-6-1 s.n. Napa Calistoga Comment
  UCD129824  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa junction of Lower Chiles Valley and Pope Valley Roads, Comment
  CAS-BOT-BC270831  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles S of Snell Valley Road Comment
  JEPS104713  Calycadenia pauciflora John L. Morrison 1936-9-19 1947 A Napa Knoxville Mines Comment
  RSA255581  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  UC1195667  Calycadenia pauciflora A. R. Kruckeberg 1947-6-15 1491 Napa .7 mi w, on Knoxville-Lower Lake Road Knoxville Comment
  UC1876268  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 mi SE of Lake Co. lne on Morgan Valley Rd. 125 yds N of road. Comment
  UCD129809  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road. Comment
  JEPS106926  Calycadenia truncata Jake Ruygt 1998-8-28 4108 Napa 1.2 miles north of Silverado Trail on Soda Canyon Road. 54 Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  UC1925922  Calycadenia truncata Ethel Crum October 1930 908 Napa Yountville Comment
  UC30763  Calycadenia truncata W. L. Jepson 1892-10-22 Napa near St. Helena; Park Hill Comment
  CAS-BOT-BC271526  Calycadenia truncata subsp. truncata Roxana S. Ferris 1941-9-28 10639 Napa Eastern edge of Napa Valley along Conn Creek near St. Helena Comment
  CAS-BOT-BC271554  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CDA29117  Calycanthus occidentalis D. G. Kelch, Daniel Weinstein 2009-6-21 9 .443 Napa Near Skyline Park. Comment
  JEPS40319  Calycanthus occidentalis W. L. Jepson 1934-10-16 16896 Napa Adam and Eve Ridge Howell Mt. (by the cave, Howell Mt.) Comment
  JEPS40320  Calycanthus occidentalis Willis L. Jepson Jul 1894 Napa Mt. St. Helena Comment
  JEPS46420  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  SD147998  Calycanthus occidentalis C. Osuga 1992-5-29 21 Napa Highway 121, Wooden Valley Road junction. 305 Comment
  UC521695  Calycanthus occidentalis Joseph Andorfer Ewan 1933-9-17 8010 Napa 2.5 mi out Calistoga (Mt. St. Helena summit road); Mt. St. Helena Comment
  UCD137899  Calycanthus occidentalis Andrew T. Leiser 1965-6-1 s.n. Napa Napa Mountains. Comment
  UCD137901  Calycanthus occidentalis Andrew T. Leiser 1965-6-1 s.n. Napa Napa Mountains. Comment
  HSC74291  Calyptridium monospermum D. Goforth 1980-4-11 427 Napa Near Cedar Creek 579 Comment
  JEPS100378  Calyptridium quadripetalum Dean W. Taylor 2001-5-15 17657 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC545814  Calyptridium quadripetalum Herbert L. Mason 1935-5-30 10010 Napa 4 mi n of Knoxville (on the Monticello-Lower Lake Road) Comment
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  UCD170161  Calystegia collina subsp. collina Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 777 Napa Knoxville Wildlife Area, near top of ridge above and west of Berryessa-Knoxville Road 473 Comment
  JEPS31634  Calystegia purpurata W. L. Jepson 1938-5-24 18854 Napa betw. Sanitarium and Four Corners (Howell Mtn.); , betw. Sanitarium and Four Corners Comment
  JEPS31641  Calystegia purpurata Willis L. Jepson 1894-5-1 14515 Napa Napa River Basin , trip to mouth Conn Valley (trip to Mouth Conn Valley) Comment
  JEPS31653  Calystegia purpurata W. L. Jepson 1936-5-31 17570 Napa La Jota , La Jota (Howell Mtn.) Comment
  UC449947  Calystegia purpurata H. P. Chandler 1907-5-29 7594 Napa White Sulphur Spr , White Sulphur Spr (St. Helena) Comment
  JEPS106400  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1987-5-16 1990 Napa Bismark Knob 563 Comment
  JEPS122758  Camissoniopsis hirtella Jake Ruygt 2007-5-17 5176 Napa Duff Ranch, NW of Potato Hill. Quad: Calistoga. Comment
  UCD48063  Camissoniopsis hirtella A. Haselby; M. Carson, S. Howard, P. Mayer 2000-4-29 8 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS106557  Campanula angustiflora Jake Ruygt 1980-5-13 886 Napa 3.0 miles south of Oakville Grade on Dry Creek Road 182 Comment
  UCSC009032  Campanula angustiflora Dylan M. Neubauer 2015-4-26 134 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC37117  Capsella bursa-pastoris Peter H. Raven 1953-4-2 5249 Napa Hills east of Imola. 121 Comment
  UCD18039  Capsella bursa-pastoris Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 590 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  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
  CAS-BOT-BC37587  Cardamine californica Willis Linn Jepson 1896-2-22 s.n. Napa Napa River Basin. Hills of St. Helena. Comment
  UC1199191  Cardamine californica Joseph P. Tracy 1902-5-17 1529 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 426 Comment
  JEPS106838  Cardamine californica var. californica Jake Ruygt 1982-1-24 1092 Napa Monticello Rd. 1.0 mile east of Vichy Ave. 109 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
  UCR115091  Cardamine californica var. integrifolia G. Fred Hrusa, G. L. Stebbins 1994-3-11 11597 Napa Las Posadas State Forest, Immediately east of fire station in upper drainage of Moore Creek. 450 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
  CDA3660  Cardaria chalepensis G. D. Barbe 1984-4-24 4152 Napa Along east shore of Lake Berryessa at Funning Deer Ranch 2.5 miles south of Knoxville-Berryessa Road. 0 Comment
  CDA6877  Carduus pycnocephalus T. C. Fuller 1958-5-1 Napa 2 miles north of Calistoga. 0 Comment
  CDA6880  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 Napa State Highway 53 to Middletown, 2.5 miles north of Calistoga. 0 Comment
  RSA135620  Carduus pycnocephalus John H. Thomas 1955-5-21 5123 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  UCD161335  Carex barbarae Jake Ruyget 1982-6-29 1341 Napa Napa County : 0.6 miles south of Yountville on Highway 29. (Coordinates estimated by label maker at UC Davis). 22 Comment
  CDA33038  Carex barbarae H. Stabo 1960-7-15 Napa Silverado Trail. 0 Comment
  CAS-BOT-BC18903  Carex densa J. W. Stacey 1933-5-15 s.n. Napa Howell Mountain. Comment
  CAS-BOT-BC35066  Carex densa Alice Eastwood; John Thomas Howell 1938-5-15 5522 Napa Myrtledale Hot Springs. Comment
  JEPS76001  Carex feta W. L. Jepson 1936-6-1 17590 Napa Napa Range, Howell Mountain, west side of Four Corners Four Corners; Napa Range, Howell Mountain, Four Corners Comment
  UC1115816  Carex feta Joseph P. Tracy 1938-6-6 15845 Napa between Napa City and Yountville 30 Comment
  UCD161635  Carex globosa Jake Ruygt 2005-4-4 4742 Napa Mt. St. Helena, Highway 29 at Old Toll Road. (Coordinates converted from UTM data by label maker.) 472 Comment
  UCD161706  Carex globosa Jake Ruygt 2010-6-21 5627 Napa Van Ness Canyon about 1/3 mile south of Wildwood house. (Coordinates converted from UTM data by label maker.) 609 Comment
  JEPS121321  Carex globosa Jake Ruygt 2004-5-29 4606 Napa Van Ness Canyon north of wildwood estate. Comment
  UC1152078  Carex gracilior Joseph P. Tracy 1949-4-22 18287 Napa e St. Helena; Conn Valley Reservoir 91 Comment
  UC1746043  Carex multicaulis Annetta M. Carter 1948-5-8 2564 Napa Ridge E of main peak of Mt. St. Helena. [This was mpst likely collected in Sonoma Co.] 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
  CAS-BOT-BC119513  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  SEINET10711635  Carex nudata Wilhelm N. Suksdorf 1913-7-28 Suksdorf 713 Napa In shade near the water of the Napa River. Comment
  UCD161614  Carex nudata Jake Ruygt 2002-3-23 4370 Napa Snell Valley, Missimer Wildflower Preserve. 219 Comment
  CAS-BOT-BC117618  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon 304 Comment
  UCD140839  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa above Capell Creek, north end of Capell Valley, along State Highway 128. Comment
  RSA98669  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon. 244 Comment
  UCD161786  Carex subbracteata Jake Ruygt 2006-4-15 4981 Napa Highway 29 about 0.5 mile south of Lincoln Avenue, Calistoga. (Coordinates converted from UTM data by label maker.) 111 Comment
  UCD161640  Carex subfusca Jake Ruygt 2005-5-11 4831 Napa Cub Valley, south of Bear Valley. (Coordinates converted from UTM data by label maker.) 664 Comment
  RSA734130  Castilleja Keith E. Hoffmaster 1946-3-23 1242 Napa Napa range, along Napa-Monticello road. Comment
  CAS-BOT-BC249080  Castilleja affinis John Thomas Howell 1931-4-2 6095 Napa 10 mi. east of Napa on road to Monticello, Napa Range Comment
  JEPS110635  Castilleja affinis subsp. affinis Jake Ruygt 1976-5-2 44 Napa 3.4 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  JEPS35589  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1365 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  JEPS110630  Castilleja ambigua subsp. ambigua Jake Ruygt 1980-6-1 909 Napa Milton Rd. across from yacht club 0 Comment
  JEPS122742  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5796 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  JEPS4836  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1953-5-26 4127 Napa 1.7 mi s (below) State Highway 29 from Calistoga to Middletown road summit (along State Highway 29) 487 Comment
  JEPS5188  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4128 Napa Along State Highway No.29 from Calistoga to Middletown, 1.6 miles below (south of) road summit. Comment
  UC199390  Castilleja applegatei subsp. martinii H. P. Chandler 1907-5-14 7580 Napa White Sulphur Springs; St. Helena Comment
  UCD122290  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  JEPS110669  Castilleja densiflora subsp. densiflora Jake Ruygt 1990-4-20 2485 Napa near end of Henry Rd. 97 Comment
  JEPS10341  Castilleja exserta subsp. exserta Willis L. Jepson 1893-4-28 21378 Napa n of Mt. George; Napa River Basin Comment
  POM182709  Castilleja foliolosa D. D. Keck 1931-4-2 1020 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UC26422  Castilleja foliolosa Willis L. Jepson 1893-4-25 Napa Napa River Basin; trail to Caux's Cabin Comment
  CAS-BOT-BC241282  Castilleja latifolia Peter H. Raven 1952-5-26 4071 Napa Wooden Valley Grade, (e. side) 304 Comment
  JEPS86591  Castilleja minor subsp. spiralis L. R. Heckard with Jake Ruygt 1987-5-10 6659 Napa ca 0.25 mi ne Quarry (ne of Vallejo); American Canyon Ridge Comment
  OBI9646  Castilleja minor var. spiralis Robert F. Hoover 1966-8-23 9935 Napa Butts Cyn, near Lake Co line Comment
  OBI60136  Castilleja rubicundula Joseph Andorfer Ewan 1937-5-23 10359 Napa Knoxville ridge above Knoxville Comment
  UCD167991  Caulanthus lasiophyllus James A. Neilson Jr. 1977-4-13 3872 Napa Oat Hill Mine Road, 1/2 mile west Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  SBBG122273  Ceanothus confusus D. O. Burge 2008-5-31 1005 b Napa Spring Mtn Rd near small reservor at BM 626, 1.7 rd mi W of intersection with Madrona Ave, York Crk, Mayacmas Mtns 200 Comment
  UC80037  Ceanothus confusus C. C. Parry 1881-1 Napa Calistoga Comment
  CAS-BOT-BC48939  Ceanothus cuneatus Alice Eastwood 1915-6-5 4568 Napa Petrified Forest Comment
  CAS-BOT-BC48940  Ceanothus cuneatus Alice Eastwood; John Thomas Howell 1939-6-11 7422 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC48944  Ceanothus cuneatus Frank A. Leach 1921-3-1 s.n. Napa hills back of Napa asylum Comment
  JEPS78441  Ceanothus cuneatus Edward Lee 1936-3-15 1824 Napa trip from Rutherford to Pope Valley Butt's Canyon Comment
  RSA41954  Ceanothus cuneatus H. C. Cantelow 1936-3-22 1139 Napa Howell Mt. Comment
  UCD111789  Ceanothus cuneatus D. S. Totah 1948-3-18 8 Napa Putah Canyon. Comment
  JEPS110720  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-3-30 2618 Napa crest of Oakville Grade 274 Comment
  SEINET10805183  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 Burge DOB 899 d Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 deg. (True) ENE of Rutherford. 270 Comment
  UCD123865  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-4-27 899 e Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 deg. (True) ENE of Rutherford. 270 Comment
  CAS-BOT-BC49112  Ceanothus cuneatus var. ramulosus W. L. Jepson 1893-5-1 s.n. Napa Franz Valley Grade near Calistoga Comment
  RSA602255  Ceanothus dentatus Louis C. Wheeler 1952-8-30 6874 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCR101771  Ceanothus dentatus L. C. Wheeler 1952-8-30 6874 Napa Manganese Ridge: Moore Creek, Howell Mtn Comment
  CAS-BOT-BC49796  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi. south of Calistoga Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64437  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  JEPS33672  Ceanothus divergens John Thomas Howell 1926-3-21 1705 Napa trail to top of Mt. St. Helena Comment
  POM125424  Ceanothus divergens Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena. Comment
  POM85919  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  SEINET11191335  Ceanothus divergens C. L. Schmidt 1987-2-27 1137 Napa Kortum Canyon Road, ca. 2 miles SE of Calistoga 300 Comment
  POM85918  Ceanothus foliosus Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  UC229973  Ceanothus foliosus Brandegee Apr 1889 Napa Mt. St. Helena Comment
  CAS-BOT-BC50876  Ceanothus foliosus var. foliosus H. E. McMinn 1922-6-8 175 Napa Howell Mt. Comment
  CAS-BOT-BC50910  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4619 Napa Petrified Forest Comment
  CAS-BOT-BC50914  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  CAS-BOT-BC50915  Ceanothus foliosus var. foliosus C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  UCD112146  Ceanothus foliosus var. foliosus J. M. Tucker 1951-3-28 2065 Napa Beside road up south side of Howell Mountain, 5.6 miles north of St. Helena. Comment
  UCD73422  Ceanothus foliosus var. foliosus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCR220106  Ceanothus foliosus var. foliosus Ayzik Solomeshch, Stephen Rae 2007-7-8 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  RSA10662  Ceanothus foliosus var. vineatus Carl B. Wolf 1928-5-3 s.n. Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC63749  Ceanothus incanus Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC50636  Ceanothus jepsonii Ella Dales Cantelow 1939-4-8 2525 Napa 3 1/2 mi. n.w. of Knoxville Comment
  CHSC22530  Ceanothus jepsonii Robert A. Schlising; Glenn Keator 1962-1-25 2025 Napa Mount Saint Helena. Comment
  JEPS129028  Ceanothus jepsonii Jake Ruygt 2016-6-6 6277 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  RSA261436  Ceanothus jepsonii R. . F Denno 1967-4-15 50 Napa 1 mile N on lower Chiles Valley road of Hwy 128 Comment
  SBBG50580  Ceanothus jepsonii R. F. Denno 1967-4-15 50 Napa 1 mi N on Lower Chiles Valley Rd off St Hwy 128 228 Comment
  UC166029  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa 3-4 mi e Angwin's (Howell Mt., hills at head of Moore's Creek.); Northern Coast Ranges 365 Comment
  UC423435  Ceanothus jepsonii Katharine Brandegee 1916-7-27 Napa near Angwin Comment
  UCD112065  Ceanothus jepsonii D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  UCD20646  Ceanothus jepsonii R. J. Blenkush; J. H. Richards 2000-1-29 40 Napa McLaughlin Reserve. 1000 feet south of intersection of Hunting Creek Road with Devilhead Road. Collected within the vicinity of the chromite prospect. 536 Comment
  UCR23540  Ceanothus jepsonii John C. Roos 1939-2-28 306 Napa North Coast Range, Pacific Union College, Angwin 549 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
  CAS-BOT-BC51129  Ceanothus jepsonii var. albiflorus Mrs. Cornelia S. Masters s.n. Napa mountains of Napa Co. Comment
  SDSU10322  Ceanothus jepsonii var. albiflorus Claire Schneider, Gary Waayers 1993-4-10 10 IV93E Napa Located off of State Hwy 128 at mile marker 15.35. Comment
  UC1070780  Ceanothus jepsonii var. albiflorus A. Lewis May 1932 105 Napa Head Sarco Creek 396 Comment
  UC1278730  Ceanothus jepsonii var. albiflorus G. L. Stebbins Jr. 1948-5-9 3934 Napa W side of Steel Canyon, 8 mi S of Monticello, on road to Napa Comment
  CAS-BOT-BC51558  Ceanothus oliganthus var. sorediatus John Thomas Howell 1931-4-3 6133 Napa Pope Creek Canyon, 8.5 miles from Monticello Comment
  RSA22077  Ceanothus oliganthus var. sorediatus L. S. Rose 1939-4-16 39067 Napa 3 miles NE of Napa. 137 Comment
  UCD37180  Ceanothus oliganthus var. sorediatus Beecher Crampton 1958-4-22 4740 Napa Napa County, Vaca Mountains, Markley Canyon, Highway 128. Comment
  CAS-BOT-BC53176  Ceanothus parryi Elsa G. Ruckert 1960-4-29 122 Napa Dry Creek Road, 1/4 mile n. of junction with Wall Road 365 Comment
  CAS-BOT-BC53221  Ceanothus parryi Alice Eastwood 1915-6-5 4651 Napa Calistoga Comment
  RSA182686  Ceanothus parryi D. D. Keck 1931-4-2 10112 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  CAS-BOT-BC52198  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  JEPS110730  Ceanothus purpureus Jake Ruygt 1991-4-19 2624 Napa Long Ranch south of Lake Hennessey 365 Comment
  JEPS42096  Ceanothus purpureus Willis L. Jepson 1893-4-28 14027 Napa Milliken Creek, gorge N of Mt. George Napa River Basin Comment
  RSA114006  Ceanothus purpureus Milo S. Baker 1931-2-8 s.n. Napa 5 miles from napa on Monticello Road Comment
  RSA755230  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 904 c Napa Wooden Grade, NE of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles E of Atlas Peak Road or 2.3 road miles W of Wooden Valley Road, at mile marker 13.88, 9.28 km 46 degrees True ENE of Napa. 360 Comment
  SEINET3841331 Image available Ceanothus purpureus H. S. Reed 1939-4-16 Napa Napa Hills 213 Comment
  SJSU14052  Ceanothus purpureus C. L. Schmidt 1987-5-24 1183 Napa Mt George off Monticello Rd CA-121 396 Comment
  UC1347203  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  UC870642  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  UCD112681  Ceanothus purpureus J. Street 1950-4-24 s.n. Napa 4 miles north of Napa, 2 feet high. Comment
  UCD123868  Ceanothus purpureus D. O. Burge 2007-5-4 904 e Napa Wooden Grade, north-east of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles (5.3 km) east of Atlas Peak Road or 2.3 road miles (3.7 km) west of Wooden Valley Road, at mile marker 13.88, 9.28 km 46 deg. (True) ENE of Napa. 360 Comment
  JEPS110663  Ceanothus sonomensis Jake Ruygt 1982-3-20 1134 Napa Mt. St. John 530 Comment
  CAS-BOT-BC52896  Ceanothus velutinus Brandegee 1889-4-1 3 Napa Mt. St. Helena Comment
  UC79913  Ceanothus velutinus T. S. Brandegee 1889-4 3 Napa Toll House Mt. St. Helena Comment
  SEINET12210802  Ceanothus velutinus var. laevigatus W. Knight, Knight, I. 1982-1 4666 Napa Tilden Botanic Garden, Berkeley, originally collected from Mt. St. Helena Comment
  JEPS106531  Centaurium muehlenbergii Jake Ruygt 1996-10-19 3795 Napa Vine Village, corner of Congress Valley Rd and Oln Sonoma Rd 45 Comment
  UCD83404  Centaurium tenuiflorum Jake Ruygt 2004-10-10 4682 Napa 0.1 mi N of Wine Country Rd. on Solano Ave. 22 Comment
  UC1438405  Centaurium trichanthum C. R. Broome 1971-8-25 890 Napa 9.7 mi n Pope Valley (and 9.75 mi s of Middletown, Butts Canyon Road, just w of highway) Comment
  JEPS46954  Centaurium trichanthum W. L. Jepson 1917-8-15 7438 Napa Calistoga Comment
  UC1245376  Centaurium venustum J. P. Tracy 1950-5-23 18667 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek, La Jota Plateau 518 Comment
  CAS-BOT-BC288605  Centromadia fitchii John Thomas Howell 1930-10-19 5611 Napa 1 mile E of Aetna Springs, Pope Valley Comment
  CAS-BOT-BC288607  Centromadia fitchii Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley Comment
  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
  CAS-BOT-BC279253  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 miles north of Vallejo Comment
  CAS-BOT-BC222945  Cephalanthus occidentalis H. E. McMinn 1922-8-2 360 Napa Putah Canyon Comment
  SBBG7283  Cephalanthus occidentalis J. M. Tucker 1941-9-20 398 Napa mtns between Monticello and Pope Valley Comment
  UCD48851  Cerastium glomeratum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 10 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of Cut-Off Rd. 152 Comment
  CAS-BOT-BC388229  Cerastium glomeratum Ira L. Wiggins 1928-3-25 2872 Napa 1 1/2 mi. N.E. of Calistoga Comment
  RSA0009691  Cerastium glomeratum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS126119  Ceratophyllum demersum Jake Ruygt 1992-7-18 3097 Napa Small lake on Tuteur Ranch, beyond end of Green Valley Road. Mount George 7.5' Qua. Comment
  CAS-BOT-BC179385  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Hwy 128, about 4.5 miles south of Monticello. 167 Comment
  CAS-BOT-BC179387  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville Road. Comment
  CAS-BOT-BC179388  Cercis occidentalis David D. Keck 1931-4-3 1062 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  JEPS107196  Cercis occidentalis Jake Ruygt 1994-3-26 3335 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 82 Comment
  POM247250  Cercis occidentalis E. K. Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville road Comment
  UC1540471  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 mi se Monticello; Putah Creek 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
  SBBG115436  Cercocarpus betuloides var. betuloides B. Crampton 1966-5-10 7715 Napa 9 mi E of Rutherford on St Hwy 128 Comment
  SEINET5586406  Cercocarpus betuloides var. betuloides Richard R. Halse 2013-1 8754 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  SEINET11248330 Image available Cercocarpus montanus J. M. Tucker 1951-3-28 2066 Napa South side of Howell Mountain, 5.6 miles north of St. Helena Comment
  HSC43985  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-13 656 Napa South-facing slope 488 Comment
  JEPS106928  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1982-5-19 1285 Napa 1.8 miles south of Pope Canyon Rd. on Berryessa-Knoxville R 207 Comment
  POM182724  Chaenactis glabriuscula var. heterocarpha D. D. Keck 1931-4-3 1063 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UC410440  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 Napa canyon between Monticello and Pope Valley Comment
  UCD149663  Chaenactis glabriuscula var. heterocarpha Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCD161583  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 2008-4-12 5283 Napa Zim Zim Creek about 1.5 miles northwest of falls. (Coordinates converted from UTM data by label maker.) 438 Comment
  JEPS106428  Chamaesyce ocellata subsp. ocellata Jake Ruygt 1984-7-21 1578 Napa Tubbs Lane at Myrtledale Rd., Calistoga 118 Comment
  JEPS106426  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1991-6-29 2761 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 115 Comment
  UC615139  Chamaesyce serpyllifolia Beryl O. Schreiber 1936-9-20 2356 Napa 5 mi s Reiff 762 Comment
Read comments
Jun 14 2013
  JEPS52333  Chamaesyce serpyllifolia W. L. Jepson 1894-11-5 13934 Napa near St. Helena; Napa River Comment
  UC869111  Chamaesyce serpyllifolia Milo S. Baker 1938-8-22 9224 Napa Lower Lake-Knoxville Road just S of Lake-Napa Co. line Comment
  RSA769218  Chenopodium album L. Ahart 2009-10-27 16483 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters 130 Comment
  JEPS106742  Chenopodium multifidum Jake Ruygt 1990-1-4 2429 Napa 1.8 miles north of Dealy Lane on Henry Road 103 Comment
  UCD98466  Chenopodium vulvaria Irving Grover 1958-6-24 Napa exact location unknown. Comment
  UCD160735  Chlorogalum pomeridianum Ellen Dean 2015-5-23 8787 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  UCD167624  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 1978-6-28 370 Napa Partrick Road, 2 miles north of Browns Valley Road. 164 Comment
  JEPS110855  Chorizanthe membranacea Jake Ruygt 1986-5-10 1763 Napa Devil's Canyon above falls 597 Comment
  UCD149672  Chorizanthe membranacea Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  CAS-BOT-BC252839  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-5 4603 Napa Petrified Forest Comment
Read comments
Apr 17 2018
  CAS-BOT-BC252840  Chorizanthe polygonoides var. polygonoides Catherine Best 1980-4-12 s.n. Napa Rocky area on Stage Coach Canyon Road about 3 1/2 miles NW of Waller's Springs Comment
  JEPS120358  Chorizanthe stellulata Jake Ruygt 2010-5-13 5550 Napa Snell Valley, Missimer Preserve. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC278018  Cirsium cymosum Peter H. Raven 1952-6-28 4204 A Napa Conn Valley 121 Comment
  CAS-BOT-BC278017  Cirsium cymosum Peter H. Raven 1950-6-20 2560 Napa In the Napa Range between Conn Valley & Summit of Howell Mountain Comment
  JEPS59306  Cirsium cymosum var. cymosum W. L. Jepson 1938-6-8 18885 Napa w of Pope Valley; South Fork of Butts Creek Comment
  JEPS59118  Cirsium douglasii var. douglasii Willis L. Jepson 1892-8-1 Napa Napa Valley Comment
  CDA1307  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2255 Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  JEPS59313  Cirsium occidentale var. venustum W. L. Jepson 1936-7-6 17650 Napa Sage Canyon Napa Range, Sage Canyon Comment
  UC1301212  Cirsium occidentale var. venustum Helen K. Sharsmith 1962-6-3 5116 a Napa near Angwin (w slope of Mount Howell); San Francisco Bay Region, Mount Howell 487 Comment
  JEPS106936  Cirsium remotifolium var. odontolepis Jake Ruygt 1991-5-25 2689 Napa about .1 mile north of Hill Rd. on Howell Mtn. Rd. 551 Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  CAS-BOT-BC160918  Clarkia amoena subsp. amoena E. Ruckert 1960-4-29 131 Napa 6495 Dry Creek Road 396 Comment
  JEPS110769  Clarkia amoena subsp. huntiana Jake Ruygt 1987-6-6 2037 Napa Redwood Rd. at Mt. Veeder Rd. 109 Comment
  SFV8309  Clarkia concinna J. W. Katberg, Jr. 1966-5-11 44 Napa North Coast Ranges Cedar Valley Road, about 2 miles southwest of Knoxville. 450 Comment
  UCD63051  Clarkia concinna D. Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 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
  CHSC59990  Clarkia concinna subsp. concinna Keith G. Weinstock 1975-5-26 37 Napa Lower Chiles Valley Road and Sage Canyon Road Intersection. Comment
  SJSU11005  Clarkia concinna subsp. concinna C. H. Brocker 1966-3-8 93 Napa Rancho Monticello by NW shore of Lake Berressa Comment
Read comments
Aug 26 2011
  CAS-BOT-BC162479  Clarkia gracilis subsp. sonomensis Peter H. Raven 1951-6-10 2898 Napa Calistoga-Hanly's, Toll Rd., Mt. St. Helena 182 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
  UC1301109  Clarkia gracilis subsp. sonomensis Helen K. Sharsmith 1962-6-3 5117 Napa sw slope Mt. St. Helena (Old Toll Road); San Francisco Bay Region 609 Comment
  UCD104850  Clarkia purpurea Alan P. Godlewski 1974-5-3 13 Napa West of Lake Berryessa. Comment
  CAS-BOT-BC163828  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Palisades 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
  UCD20729  Clarkia purpurea subsp. quadrivulnera Ellen Dean; w/ Mark Bibbo 2002-6-17 1093 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  CAS-BOT-BC163825  Clarkia purpurea subsp. quadrivulnera Dr. E Goodman 1921-5-23 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC163827  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1933-6-4 11387 Napa Hills east of Napa Comment
  UC1196985  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1904-5-23 2083 Napa near Calistoga (Pratt's Hill); Northern Coast Ranges, Napa Valley 91 Comment
  UCD167276  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1986-5-10 1759 Napa Devil's Canyon. 591 Comment
  JEPS43587  Clarkia purpurea subsp. viminea W. L. Jepson 1936-7-3 17635 Napa below Four Corners; Napa Range, Howell Mt. Comment
  CAS-BOT-BC164775  Clarkia rhomboidea Betty H. Johnson 1958-6-15 638 Napa 1/4th mi above Mt. Mill House, 6.4 mi. S-W. Middletown Comment
  SEINET7718946  Clarkia rhomboidea Unknown Napa Napa Comment
  JEPS112599  Claytonia exigua subsp. exigua Jake Ruygt 1999-3-27 4123 Napa Murphy Creek about 1/4 mile from Wild Horse Valley Road 377 Comment
  JEPS129175  Claytonia exigua subsp. exigua Jake Ruygt 2015-3-10 6036 Napa Sutro Ranch, east side of Atlas Peak. Yountville 7.5' Quad. Comment
  JEPS43313  Claytonia exigua subsp. exigua Willis L. Jepson 1893-4-29 Napa St. Helena Reservoir; Napa River Basin Comment
  CAS-BOT-BC439370  Claytonia gypsophiloides Marjorie Swabey 1924-2-22 s.n. Napa Toll house road, Mt St Helena on Calistoga side Comment
  UC83788  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena Comment
  JEPS112600  Claytonia parviflora subsp. parviflora Jake Ruygt 1986-3-16 1650 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 451 Comment
  JEPS112611  Claytonia parviflora subsp. parviflora Jake Ruygt 1989-4-8 2253 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 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
  UCD20831  Claytonia perfoliata N. Nicola 2001-3-30 047 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD15053  Claytonia perfoliata Joe Smilanick 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  UCD20037  Claytonia perfoliata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1201 Napa South slope of Mt. St. Helena, in area where J.M. Tucker hybridized Quercus. Comment
  CAS-BOT-BC439941  Claytonia perfoliata subsp. mexicana Peter H. Raven 1954-2-22 6405 Napa Orchard at west end of Saint Helena 60 Comment
  UCD49148  Claytonia perfoliata subsp. perfoliata C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  UC9065  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's> Cabin Mt. St. Helena Comment
  UCD20832  Clematis lasiantha C. Kremen; N. Nicola 2001-3-30 48 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, along Hwy. 128, aprox. 0.5 mi. west of Montecello Dam via road. Lat/long is estimate. Comment
  UCD95605  Clematis lasiantha Beecher Crampton 1970-4-15 8562 Napa 1 mile west Monticello Dam. State Hwy. 128. Comment
  UCR106847  Clematis lasiantha A. Bennett 1977-4-17 13 Napa Inner Coast Range, Hwy 128, 4.6 mi. west of Monticello Dam Comment
  UCR146179  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Vaca Mountains, 10 minutes southwest of Monticello, along Highway 128 274 Comment
  CAS-BOT-BC92681  Clematis ligusticifolia H. E. McMinn 1922-8-2 361 Napa Putah Canyon. Comment
  JEPS7349  Collinsia heterophylla E. Ferguson 1920-5-15 350 Napa Pope Valley Comment
  POM182696  Collinsia heterophylla D. D. Keck 1931-4-2 1002 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  UC1196847  Collinsia heterophylla Joseph P. Tracy 1902-5-21 12484 Napa 3-4 mi e of Angwins (Howell Mountain, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  UCD70459  Collinsia heterophylla M. Thibodeau 1995-4-15 9 Napa W of City of Winters, along hwy 128. Quail Ridge Reserve; 15 m N of main cabin. Flowers purple. 274 Comment
  UCD169606  Collinsia heterophylla var. heterophylla 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
  SEINET13406371  Collinsia sparsiflora M. J. Williams 1967-5-7 s.n. Napa Pope Valley. 198 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
  UCD20036  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1202 Napa Mount Saint Helena, in area where J. M. Tucker hybridized Quercus. Comment
  UC1196820  Collinsia sparsiflora var. arvensis Joseph P. Tracy 1933-4-30 12110 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC608238  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 Comment
  JEPS6321  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-24 21333 Napa e St. Helena (hills); Napa River Basin Comment
  RSA296438  Collinsia sparsiflora var. arvensis Helen-Mar Wheeler 1944-3-27 s.n. Napa Conn Ranch, about 1.8 miles north of south end of Conn Valley. Comment
  UC672472  Collinsia sparsiflora var. arvensis A. E. Borell 1928-4-13 118 Napa 10 mi sw Calistoga 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
  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
  UCD48206  Collinsia sparsiflora var. sparsiflora A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 20 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD123678  Collinsia sparsiflora var. sparsiflora Carl A. Huether Jr. 1964-4-19 44 Napa south side of Soda Creek, 2 miles east of junction with Lower Chilies Valley Road and ca. 2 1/2 miles southwest of Lake Berryessa. Comment
  JEPS112527  Collinsia tinctoria Jake Ruygt 1978-5-21 325 Napa 2.2 miles north of Chiles-Pope Valley Rd on Sage Canyon Rd. 134 Comment
  JEPS128915  Collinsia tinctoria Jake Ruygt 1998-5-20 3979 Napa Chiles Canyon about 1/2 mile N of white bridge. Chiles Valley 7.5' Quad. Comment
  UCD164496  Collomia diversifolia A. Amezcua 1995-4-29 20 Napa Along side of Aetna Springs Road, 3 km west of intersection with Pope Valley Road. 400 Comment
  JEPS110955  Collomia heterophylla Jake Ruygt 1981-4-25 999 Napa road between Aetna Springs and Table Mtn 396 Comment
  RSA98050  Consolida ajacis Peter H. Raven 1951-6-26 3092 Napa Farm, Cappell Valley to Wooden Valley. 274 Comment
  JEPS47851  Convolvulus arvensis Willis L. Jepson 1893-4-24 14502 Napa hills e of St. Helena to Conn Valley; Napa River Basin, Howell Mt. foothills Comment
  JEPS7005  Cordylanthus mollis subsp. mollis Peter H. Raven 1952-8-26 5138 Napa salt marshes Bentley Wharf 15 Comment
  JEPS95192  Cordylanthus mollis subsp. mollis Jake Ruygt 1994-7-30 Napa Fagan Slough 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
  UC1196819  Cordylanthus pilosus subsp. pilosus J. P. Tracy 1899-7-6 365 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mt.) 365 Comment
  UC217601  Cordylanthus pilosus subsp. pilosus Katharine Brandegee Napa near Aetna; Pope Valley Comment
  JEPS6633  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena Comment
  SD131925  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, C. L. Custer, G. T. Robbins 1954-8-9 4750 Napa grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort Comment
  UCR78362  Cordylanthus pringlei T. I. Chuang, F. M. Chuang 1970-8-25 6842 Napa North Coast Range, Just south of Lake County line, on U.S. Hwy 29 463 Comment
  CAS-BOT-BC238228  Cordylanthus tenuis subsp. brunneus Alice Eastwood 1918-9-3 7952 Napa Mt. St. Helena Comment
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  CAS-BOT-BC209799  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon Comment
  CAS-BOT-BC209800  Cornus glabrata John Thomas Howell 1929-8-4 4359 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  SEINET3089139 Image available Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS106394  Cornus sericea subsp. sericea Jake Ruygt 1998-6-13 4022 Napa Milliken Creek south of Foss Valley. 405 Comment
  UC21548  Cornus sericea subsp. sericea Willis L. Jepson 1894-1 Napa Napa R. near St. Helena; Napa R. Basin, Napa R. Comment
  UCSB27481  Corylus cornuta subsp. californica Havlik, Neil 1969-6-29 Napa Along State Highway 29, on the northeast slope of Mount St. Helena, about 2 miles south fo the Napa-Lake County Line Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  CAS-BOT-BC291356  Cotula coronopifolia John Thomas Howell 1925-4-11 958 Napa Soscol Comment
  UC166028  Crassula aquatica Joseph P. Tracy May 15 1903-May 18 1903 1854 1/2 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS122686  Crepis pulchra Jake Ruygt 1999-5-15 4158 z Napa Patrick Road about 2 miles west of Browns Valley Road. Quad: Napa Comment
  UCD164829  Crepis pulchra Jake Ruygt 2012-6-16 5866 Napa Alston Park near north parking lot. 33 Comment
  UCD116514  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  JEPS31093  Crocanthemum scoparium var. vulgare W. L. Jepson 1938-5-20 18804 Napa slope above St. Helena Sanitarium (open slope above vineyard); Howell Mountain Comment
  RSA758274  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  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
  UCD59986  Crypsis vaginiflora Beecher Crampton 1954-10-26 2302 Napa South Napa. Comment
  JEPS106756  Cryptantha flaccida Jake Ruygt 1982-4-18 1187 Napa Calistoga Grade, Mt.St.Helena 353 Comment
  UC912356  Cryptantha flaccida Herbert L. Mason 1934-4-30 8105 Napa 5 mi s Monticello (tributary of Putah Creek); Putah Creek Comment
  HSC81728  Cryptantha hispidula Thomas W. Nelson, Jane P. Nelson 1980-5-3 5137 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS104969  Cryptantha hispidula Dean W. Taylor 1998-6-23 16691 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UC857146  Cryptantha hispidula Milo S. Baker 1938-4-29 8939 Napa e of Pope Valley (along road from Monticello) 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
  UC55903  Cryptantha torreyana J. P. Tracy May 15 1903-May 18 1903 1865 Napa near Calistoga; San Francisco Bay Region, Napa Valley 121 Comment
  CDA1806  Cupressus macnabiana D. G. Kelch, D. A. Weinstein 1995-4-1 s.n. Napa Along Knoxville-Berryessa Rd nr large mine. Comment
  CLARK-A1528-2663  Cupressus macnabiana John C. Roos 1938-11-19 323 Napa Pope Valley Comment
  JEPS39791  Cupressus macnabiana W. L. Jepson 1897-7-12 21291 Napa near Samuel's Springs; Pope Creek Comment
  UC1086210  Cupressus macnabiana A. R. Kruckeberg 1947-9-3 1574 Napa ridge ca. 0.5 mi nw Whites Point (dirt road between Mountain Mill House (St. Helena Creek) and Oat Hill School (below Table Mountain)) Comment
  UC813439  Cupressus macnabiana Milo S. Baker 1931-4-2 5125 Napa Pope Valley Road near turn to Aetna Springs Comment
  CAS-BOT-BC85488  Cupressus sargentii Howard E[a]rnest McMinn 193 Napa along Pope Creek in Pope Canyon from Pope Valley to Monticello Comment
  CHSC109722  Cupressus sargentii L. R. Abrams 1926-5-4 12282 Napa County line, Napa - Lake County. Comment
  CHSC22657  Cupressus sargentii Robert A. Schlising; Glenn Keator 1962-1-25 2026 Napa Mt. Saint Helena, NW Corner of Napa County. Comment
  JEPS56136  Cupressus sargentii Donald V. Hemphill 1968-7-13 Napa sw of Lake Berreyessa (Cedar Roughs); Cedar Roughs 609 Comment
  JEPS79565  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1821 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  RSA129445  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calistoga - Middletown: 3 miles east of Mt. St. Helena 610 Comment
  UC972130  Cupressus sargentii Helen K. Sharsmith 1952-5-18 4083 Napa near Napa-Lake County boundary; Inner North Coast Ranges, Butts Canyon 213 Comment
  UCD163406  Cupressus sargentii D. Slakey; CNPS Volunteers 2015-4-25 120 Napa South side of Hunting Creek Road, about 900 road meters east of the Campground at the west end of the road. Behind fence. 411 Comment
  UCD38720  Cupressus sargentii Beecher Crampton 1957-6-4 4101 Napa North end of Capell Valley. 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
  CAS-BOT-BC224538  Cuscuta californica John Thomas Howell 1930-7-13 5370 Napa Near Myrtledale Hotsprings [Hot Springs], upper Napa Valley Comment
  JEPS47111  Cuscuta californica W. L. Jepson 1894-10-13 70 c Napa Conn Valley Comment
  POM180776  Cuscuta subinclusa J. T. Howell 1930-10-19 5628 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
Read comments
Feb 4 2011
  JEPS126113  Cynoglossum grande Jake Ruygt 1990-4-1 2457 Napa West of Johnson's Meadow, Wild Horse Valley Ranch. Mount George 7.5' Qua. Comment
  SEINET197745  Cynoglossum grande R. C. Bechtel 1952-3-16 19 Napa Putah Canyon Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  UCD119154  Cynoglossum grande Collector unknown Date unknown s.n. Napa location unknown. Comment
  CAS-BOT-BC114680  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  SEINET3909600  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges.; 0 91 Comment
  UC1950192  Cyperus erythrorhizos Barbara Ertter with Elizabeth Neese 1988-10-2 7964 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
  UCR146402  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  CAS-BOT-BC113822  Cyperus niger var. capitatus Peter H. Raven 1952-8-28 5163 Napa Road just above Napa Soda Springs (Soda Canyon Road) 243 Comment
  UC1563929  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa 15 air mi nnw of Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  JEPS103990  Cystopteris fragilis Jake Ruygt 1993-3-6 3167 Napa Skyline Park, Skyline trail. 85 Comment
  CAS-BOT-BC70576  Cystopteris fragilis Peter H. Raven 1957-5-5 10771 Napa western edge of Calistoga 182 Comment
  JEPS75997  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UCD161638  Daucus pusillus Jake Ruygt 2005-5-9 4823 Napa Knoxville Wildlife Area, west side of Berryessa-Knoxville Road. (Coordinates converted from UTM data by label maker.) 429 Comment
  JEPS126255  Deinandra corymbosa Devin Jokerst with Sarah Lynch 2016-5-25 Napa American Canyon. The undeveloped property is located west of Highway 29 and north of Green Island Road. Comment
  HSC47887  Delphinium hesperium H. Lewis, G. Mehlquist 1941-5-9 Napa Monticello to Napa Rd. 1.5 mi. S of rd. to St. Helena Comment
  LA38213  Delphinium hesperium G. Mehlquist; 358 Napa 8.4 mi. S.of Monticello on road to Napa Comment
  RSA0005311  Delphinium hesperium Joseph A. Ewan 1934-4-30 8835 Napa Ditch at edge of cultivated field along Steel Canyon Road, 1/2 mi. from junction with Monticello-Winters Road. 1 Comment
  SEINET13094845  Delphinium hesperium f. pallescens Joseph Andorfer Ewan 1934-1 8835 Napa Along Steel Canyon Rd. 1/2 mi. from jct. with Monticello-Winters Rd. Comment
  UCD74352  Delphinium hesperium subsp. pallescens G. Ledyard Stebbins 1967-5-30 6523 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS13748  Delphinium hesperium subsp. pallescens Frank W. Gould 1939-4-7 620 Napa one mile North of Knoxville on road to Lower Lake 457 Comment
  UCD16027  Delphinium hesperium subsp. pallescens N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 15 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 4.5-6 dm tall, flowers pinkish to purplish. Comment
  CAS-BOT-BC9816  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC9818  Delphinium nudicaule C. F. Baker 1903-4-20 2620 Napa Mt. St. Helena Comment
  CAS-BOT-BC9820  Delphinium nudicaule P. H. Raven 1957-5-5 10772 Napa At western edge of Calistoga 182 Comment
  CAS-BOT-BC9817  Delphinium nudicaule Ira L. Wiggins 1949-4-30 12079 Napa Along old toll road between Calistoga and Middletown, about 2.5 mi. from Calistoga Comment
  RSA10682  Delphinium patens Carl B. Wolf 1928-5-3 1805 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM182738  Delphinium patens D. D. Keck 1931-4-2 1047 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 Comment
  CAS-BOT-BC116486  Delphinium patens subsp. patens H. L. Mason 1928-4-13 4330 Napa ...between Santa Rosa and Calistoga Comment
  CAS-BOT-BC116499  Delphinium patens subsp. patens Belle R. Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's, Mt. St. Helena region Comment
  JEPS110980  Delphinium uliginosum Jake Ruygt 1988-5-29 2192 Napa Cedar Valley 585 Comment
  JEPS60632  Delphinium uliginosum W. L. Jepson 1938-6-8 18900 Napa Snell Valley and Butts Canyon Comment
  RSA400120  Delphinium uliginosum Robert Gustafson, Don Reynolds 1983-6-7 2735 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  JEPS23359  Delphinium variegatum Miss R. Kuhn 1912-4-17 Napa Oakville Napa Valley Comment
  LA207572  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  JEPS110871  Delphinium variegatum subsp. variegatum Jake Ruygt 1982-4-18 1188 Napa Calistoga Grade on Mt. St. Helena 350 Comment
  JEPS23364  Delphinium variegatum subsp. variegatum Willis L. Jepson 1893-5-1 Napa hills near Calistoga; Napa River Basin, Upper Napa Valley Comment
  UC160941  Delphinium variegatum subsp. variegatum Joseph P. Tracy 1902-5-20 1566 Napa lower slopes of mt. near St. Helena; Northern Coast Ranges, Howell Mt. 304 Comment
  UC638504  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1336 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  POM149382  Dendromecon rigida Katherine Brandegee 1910-05 94 Napa Mt. St. Helena, North Coast Ranges, on slopes back of the Toll House Comment
  POM365009  Deschampsia cespitosa subsp. cespitosa P. H. Raven 1965-5-15 20210 Napa Cedar Valley, vicinity of Knoxville. 61 Comment
  UCD170464  Deschampsia cespitosa subsp. cespitosa Daniel Potter; Ninh Khuu 2016-6-18 893 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 433 Comment
  JEPS122990  Deschampsia danthonioides Jake Ruygt 1996-4-11 3592 Napa Calistoga Airport. Quad: Calistoga. Comment
  SEINET3927644  Deschampsia danthonioides Herbert L. Mason 1931-4-12 5831 Napa Grounds south of Napa State Hospital.; 0 Comment
  UC1103221  Deschampsia danthonioides J. P. Tracy 1902-5-19 1554 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  UC1103262  Deschampsia danthonioides J. P. Tracy 1899-6-13 345 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek); Howell Mt., Moore's Creek 365 Comment
  CAS-BOT-BC201722  Deschampsia elongata Alice Eastwood 1922-5-4 11253 Napa Calistoga Comment
  CAS-BOT-BC43417  Descurainia sophia Peter H. Raven 1953-5-2 5361 Napa Along railroad tracks, Yountville. 76 Comment
  CAS-BOT-BC253632  Dichanthelium acuminatum subsp. acuminatum Peter H. Raven 1951-6-10 2939 Napa Crater Region E of Palisades 762 Comment
  UCD14947  Dichelostemma capitatum Jonathan M. Irvine 1977-4-16 100 Napa California, Napa Co.; 6.4 miles SSW of Monticelo Dam along Highway 128. 182 Comment
  UCD16051  Dichelostemma capitatum subsp. capitatum C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 7 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2' N, 122 deg. 21' 11.7' W; 480m. Serpentine chaparral, burned in Oct. 1999. Herb, 1.5-3 dm tall, flowers purple/blue. Comment
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  UC765931  Dichelostemma congestum R. F. Hoover 1941-4-26 4924 Napa Pope Valley Comment
  UCD148738  Dichelostemma congestum Jake Ruygt 2005-6-7 4908 c Napa Napa County; ridge top west of Circle Oaks. 588 Comment
  SEINET3885705  Dichelostemma pulchellum Linda Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road.; 0 183 Comment
  JEPS64143  Dichelostemma volubile W. L. Jepson 1920-5-25 9048 Napa Zem Zem, ne Napa Co. Comment
  RSA183470  Dichelostemma volubile Michael Flescher 1965-5-13 13 -10 Napa Along Zim Zim Creek, near Cedar Valley, N of Lake Berryessa off the road from Knoxville to Lower Lake. Comment
  CAS-BOT-BC150361  Diplacus aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles from Calistoga Comment
  CAS-BOT-BC151879  Diplacus congdonii David D. Keck 1931-4-2 1016 Napa Wooden Valley Grade west side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC151959  Diplacus douglasii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC153279  Diplacus kelloggii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC151335  Diplacus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon 304 Comment
  UCD92896  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  JEPS112626  Dodecatheon hendersonii Jake Ruygt 1977-4-3 168 Napa hills east of Lake Berryessa at north end (Green Canyon) 243 Comment
  POM287485  Dodecatheon hendersonii Lyman Benson 1931-2-26 s.n. Napa 4 mi n of Calistoga, Mayacamas Mt. Range. Napa watershed. Northslope. Beneath oaks; base of Mt. St. Helena. 244 Comment
  UC725316  Dodecatheon hendersonii A. A. Heller 1929-3-16 14817 Napa grade near foot Mt. St. Helena; grade near foot of Mt. St. Helena Comment
  UCD15066  Dodecatheon hendersonii Mark Harder 1977-4-16 8 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; Comment
  UCD15067  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam, on the left side of the road while travelling southwest; 213 Comment
  JEPS103656  Downingia bicornuta var. bicornuta Lisa Schultheis 1995-5-31 193 -95 Napa Corner of Pope Valley Cross Road and Chiles-Pope Valley Road Comment
  UCD170196  Draba verna Daniel Potter 2015-3-14 761 Napa Knoxville Wildlife Area, near small creek southwest of Zim Zim Creek. 303 Comment
  CAS-BOT-BC157776  Drymocallis glandulosa var. glandulosa M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD49140  Drymocallis glandulosa var. glandulosa Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Tom Liebmann 2001-4-28 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Bay Trail, ca. 1/8 mile from the end of the lake inlet. 146 Comment
  CAS-BOT-BC527333  Drymocallis glandulosa var. reflexa H. M. Hall 1931-5-26 13089 Napa Napa Range, west side Comment
  JEPS44322  Drymocallis glandulosa var. wrangelliana Willis L. Jepson 1893-4-26 127 p Napa La Lomita at Yountville (Napa River Basin); , La Lomita at Yountville Comment
  RSA137332  Dryopteris arguta I. L. Wiggins 1957-6-18 14121 Napa Jst north of Calistoga Comment
  UCD48874  Dudleya cymosa K. Mogel; B. Pekin and M. Higley 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 50 ft. S of the power lines. 274 Comment
  JEPS122984  Echinochloa crus-galli Jake Ruygt 1986-6-21 1839 Napa Napa Sanitation treatment ponds. Quad: Cuttings Wharf. Comment
  UC585508  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa (between Calistoga and Mt. St. Helena) Sullivan's Halfway Station 111 Comment
  RSA123460  Echinochloa crus-pavonis B. O. Schreiber 1936-8-16 2325 Napa 0.8 mile south of Yountville 152 Comment
  CAS-BOT-BC445574  Echinodorus berteroi Peter H. Raven 1951-10-28 3934 Napa At w. end of Conn Lake 152 Comment
  UCD73492  Eleocharis palustris Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS121357  Eleocharis palustris Jake Ruygt 1991-9-14 2779 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  RSA125599  Eleocharis rostellata Peter H. Raven 1957-5-5 17053 Napa Calistoga 91 Comment
  UC769959  Elymus X hansenii Robert F. Hoover 1941-6-8 5321 Napa Mt. St. Helena; e side Comment
  RSA10693  Elymus glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi. no. of Calistoga, Mt. St. Helena Grade. Comment
  UCD61804  Elymus glaucus Beecher Crampton 1960-5-17 5534 Napa Southern slopes of Conn Reservoir, 5 miles east of Rutherford. Comment
  CAS-BOT-BC203590  Elymus glaucus subsp. glaucus Peter H. Raven 1952-5-29 4087 Napa Napa River 1 mi. n. Napa 60 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
  JEPS76121  Elymus glaucus subsp. glaucus W. L. Jepson 1938-6-8 18895 Napa Butts Canyon South Fork Butts Creek Comment
  UCD160740  Elymus multisetus Ellen Dean 2015-5-23 8792 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD170450  Elymus ponticus Daniel Potter; Ninh Khuu 2016-6-8 879 Napa Knoxville Wildlife Area, flat grassy area just east of Berryessa-Knoxville Road, just south of barn. 235 Comment
  UCD62649  Elymus trachycaulus Beecher Crampton 1962-5-16 6423 Napa 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  CAS-BOT-BC204246  Elymus trachycaulus subsp. subsecundus Peter H. Raven 1951-10-28 3927 Napa Conn Valley 152 Comment
  HSC43935  Emmenanthe penduliflora Robert M. Specht 1977-4-26 789 Napa N from Adams Creek on N side 470 Comment
  JEPS110696  Epilobium brachycarpum Jake Ruygt 1992-5-6 2947 Napa Wild Horse Valley Ranch, west of Mitten Lake 420 Comment
  UC127472  Epilobium brachycarpum Harley P. Chandler Sep 7 1906-Sep 14 1906 7121 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD41467  Epilobium brachycarpum Ellen Dean; Deborah Canington 2003-3-1 1364 Napa Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road. In uplands, north side of stream near fallen decaying tree. 182 Comment
  UCD167133  Epilobium densiflorum Jake Ruygt 2015-5-23 6115 Napa Missimer - Snell Valley Preserve. 172 Comment
  JEPS38230  Epilobium densiflorum W. L. Jepson 1944-7-30 27545 Napa 3 mi se Yountville; Napa Valley Comment
  HSC43908  Epilobium minutum Robert M. Specht 1977-5-15 882 Napa Ridges below Develhead Rd. 473 Comment
  UCD106515  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena. Alongside Highway 128. 200 Comment
  UCD167253  Epilobium minutum Jake Ruygt 1983-4-17 1433 Napa Red Hill, Mt. St. Helena. 655 Comment
  UCD69077  Epilobium minutum P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD138944  Epipactis gigantea Barbara Rice 1965-5-15 71 Napa Zim-Zim Creek, 3 miles southeast of Devilshead Road. 365 Comment
  RSA97973  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach Comment
  UCD138947  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach. Comment
  JEPS103984  Equisetum hyemale subsp. affine Jake Ruygt 1979-4-11 498 Napa .1 mile south of Redwood Road on Solano Avenue,Napa 22 Comment
  JEPS115966  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 Winte 437 Comment
  UCD131309  Ericameria arborescens George Field 1966-1-8 s.n. Napa 1/2 miles west of Angwin. 487 Comment
  UC126554  Erigeron biolettii Harley P. Chandler Sep 7 1906-Sep 14 1906 7134 Napa Alta Loma Ranch 487 Comment
  JEPS120425  Erigeron biolettii Jake Ruygt 2010-6-19 5610 f Napa End of Cedar Creek / Pocock Creek Rd. Comment
  JEPS122688  Erigeron foliosus var. foliosus Jake Ruygt 1981-7-23 1082 Napa West of Berryessa Peak. Quad: Brooks. Comment
  CAS-BOT-BC295130  Erigeron greenei Joseph P. Tracy 1938-8-7 16089 Napa Soda Creek Canyon. Napa Valley, between Napa City and Yountville 91 Comment
  CLARK-A1528-2168  Erigeron inornatus John C. Roos 1939-4-16 252 Napa Angwin Comment
  POM264143  Erigeron inornatus var. biolettii J. C. Roos 1939-4-16 252 Napa Angwin. Comment
  UCD132044  Erigeron philadelphicus var. philadelphicus M. Wiesendanger 1926-4-1 1497 Napa Exact location unknown. Comment
  RSA602572  Eriodictyon californicum Louis C. Wheeler 1952-8-30 6878 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCD118350  Eriodictyon californicum Reed Crane; 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. 403 Comment
  UCD170666  Eriodictyon californicum 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD49081  Eriodictyon californicum A. Collier; D. Caterson and S. Kenady 2002-5-4 7 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 1/2 meter. 342 Comment
  UC623311  Eriogonum compositum var. compositum H. L. Mason 1939-5-18 12101 Napa near St. Helena (near summit of Spring Mountain Grade); Spring Mountain Grade Comment
  CAS-BOT-BC266064  Eriogonum luteolum Alice Eastwood; John Thomas Howell 1939-6-11 7425 Napa Hood Mt. Range SW of Oakville Comment
  UCD164782  Eriogonum luteolum var. caninum Jake Ruygt 2009-5-22 5414 Napa American Canyon, across road from quarry. 161 Comment
  SEINET3405141 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa mountains. Comment
  UC534932  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Canyon Napa Mts., Sage Canyon 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
  UCR43082  Eriogonum luteolum var. luteolum L. F. LaPre 1986-6-8 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. Line 366 Comment
  JEPS117028  Eriogonum luteolum var. luteolum David Gowen 2008-5-14 912 Napa Just north of intesction of Snell Rd. on Butts Canyon Rd. Comment
  SD22481  Eriogonum nudum Susan G. Stokes 1933-8-27 Napa Chiles Valley Comment
  CAS-BOT-BC124287  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  CAS-BOT-BC269715  Eriogonum nudum var. oblongifolium John Thomas Howell 1929-8-4 4357 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CAS-BOT-BC253059  Eriogonum roseum John Thomas Howell 1930-10-19 5604 Napa Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  JEPS106949  Eriophyllum confertiflorum Jake Ruygt 1996-6-1 3731 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 280 Comment
  CAS-BOT-BC301055  Eriophyllum lanatum var. achilleoides H. M. Hall 1931-5-27 13097 Napa Near Knoxville Comment
  JEPS106954  Eriophyllum lanatum var. achilleoides Jake Ruygt 1990-5-12 2538 Napa Wooden Valley, north of Wooden Valley School 237 Comment
  JEPS34605  Eriophyllum lanatum var. achilleoides W. L. Jepson 1893-1 14567 Napa St. Helena Comment
  POM315944  Eriophyllum lanatum var. achilleoides Patricia Wilder 1965-6-9 3602 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  CAS-BOT-BC301045  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mis. northeast of Calistoga along Highway #29 Comment
  CAS-BOT-BC301048  Eriophyllum lanatum var. achilleoides Mrs. H. C. Cantelow 1934-5-30 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC301057  Eriophyllum lanatum var. achilleoides John Thomas Howell 1927-8-24 3052 A Napa Between Mirabel and Mt. St. Helena Inn, canyon of St. Helena Creek Comment
  UC164782  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2102 Napa hills on e side Napa Valley (near Calistoga) 243 Comment
  UCD132199  Eriophyllum lanatum var. achilleoides Heidi E. M. Dobson 1977-6-10 264 Napa above Mt. Veeder Road. Comment
  HSC5611  Eriophyllum lanatum var. grandiflorum Greg Bos 1963-3-24 49 Napa NW end of Lake Berryessa, at Putah Creek 473 Comment
  POM117391  Erodium botrys Marcus E. Jones 1924-4-24 s.n. Napa Napa. 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
  LA33150  Eryngium aristulatum Robert F. Hoover; 1937-8-31 2701 Napa 6 mi. S of Napa Comment
  JEPS101784  Eryngium aristulatum var. aristulatum Dean W. Taylor 1999-7-20 17287 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  UCD77695  Eryngium aristulatum var. aristulatum Robert E. Preston 2005-8-17 2366 Napa 1 mi NW of Napa Junction. 14 Comment
  JEPS17448  Eryngium aristulatum var. aristulatum Willis L. Jepson 1896-6-2 14270 Napa St. Helena Napa River Basin, St. Helena Comment
  UCD160709  Eryngium castrense Ellen Dean; Jake Ruygt 2015-5-23 8768 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UC1587180  Eryngium vaseyi Jake Ruygt 1991-1-1 Napa near Buchli; S. Napa Co., Cuttings Wharf Quad. 3 Comment
  CAS-BOT-BC54303  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount Saint Helena. Comment
  CAS-BOT-BC40899  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  JEPS120386  Erysimum capitatum Jake Ruygt 1981-4-22 997 Napa American Canyon, .3 [0.3} miles east of Flosden Road Comment
  UCD161237  Erysimum capitatum var. capitatum Jake Ruygt 1989-4-20 2342 Napa Vaca Mountains about 1 mile north of Mt. Vaca. (Coordinates estimated by label maker at UC Davis). 804 Comment
  RSA101849  Erysimum capitatum var. capitatum G. B. Rossbach, Ruth P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 mi NE of Napa. 488 Comment
  CHSC102277  Erythranthe cardinalis Lowell Ahart 2009-10-12 16451 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  RSA450311  Erythronium californicum J. C. Roos 1938-4-4 1632 Napa Pacific Union College, Angwin. Comment
  SEINET1783218  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa Country. Comment
  UCD69385  Erythronium helenae R. B. Kimsey; L. S. Kimsey 1997-5-3 s.n. Napa A half mile west of Aetna Spring, on Sugar Loaf Mountain. 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-BC402790  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon on Hwy 128 Comment
  JEPS110735  Eschscholzia caespitosa Jake Ruygt 1994-3-15 3314 Napa Chiles Canyon Road about 1 mile from Chiles Valley 350 Comment
  RSA785708  Eschscholzia caespitosa Carrie A. Herd 1982-5-9 92 Napa Trinity, Dry Creek Road, 0.5 mi. E. of Mt. Veeder Rd. Comment
  UC1005659  Eschscholzia caespitosa Frank W. Gould 1939-4-6 606 Napa 1 mi n Knoxville (on road to Lower Lake) 457 Comment
  CAS-BOT-BC403333  Eschscholzia californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD117790  Eschscholzia californica Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, main meadow. 387 Comment
  SEINET4854346  Eschscholzia formosa Carl F. Baker 1903-4-20 2614 Napa Mount St. Helena. Comment
  JEPS129127  Eucalyptus tereticornis Jake Ruygt 2001-3-21 4297 Napa Napa River on the east side of the oxbow, Napa. Napa 7.5' Quad. Comment
  UC447262  Euphorbia crenulata C. F. Baker 1903-4-20 2615 Napa Mt. St. Helena Comment
  JEPS48860  Euphorbia crenulata Elsa Kraeger 1926-3-28 Napa 0.5 mi from Mt. St. Helena Hotel (near Russ House) Comment
  JEPS129137  Euphorbia maculata Jake Ruygt 1978-6-19 365 Napa Trefethen Winery, Oak Knoll Avenue. Napa 7.5' Quad. Comment
  JEPS100816  Euphorbia spathulata Dean Wm. Taylor with Mey Akasah 1999-6-4 17220 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD170155  Euphorbia spathulata Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 783 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 423 Comment
  UCD170837  Euphorbia spathulata 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  UCD19924  Eurybia radulina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 779 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  CAS-BOT-BC459213  Euthamia occidentalis Peter H. Raven 1952-9-14 5179 Napa 2.5 mi. E of Yountville 121 Comment
  UC31888  Euthamia occidentalis Joseph Burtt Davy 1894-9-30 741 Napa Calistoga Valley Comment
  SBBG29006  Festuca californica B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UCD163273  Festuca californica D. Slakey; CNPS Volunteers 2015-4-25 117 .5 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  CAS-BOT-BC278342  Festuca californica subsp. californica Mabel Wiesendanger 1927-5-4 700 Napa Monticello-Napa road Comment
  RSA125842  Festuca elmeri P. H. Raven 1957-5-5 10759 Napa Hills at western edge of Calistoga. 152 Comment
  UCD36561  Festuca elmeri Beecher Crampton 1954-5-6 1828 Napa 9 miles west of city of Winters, along Highway 128 to Monticello, Putah Canyon. Comment
  UCD65919  Festuca elmeri Beecher Crampton 1956-5-25 3471 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS122943  Festuca idahoensis Jake Ruygt 1982-5-12 1244 Napa American Canyon Road, 0.7 mile east of Flosden Road. Quad: Cordelia. Comment
  UCD65966  Festuca idahoensis Beecher Crampton 1954-5-6 1832 Napa 5 miles south of Monticello. Comment
  UCR30532  Festuca microstachys John C. Roos 1939-4-15 318 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  SEINET9335789  Festuca roemeri Unknown 1993-5-15 10966 Napa Quail Ridge Reserve Comment
  UCD66253  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  RSA52710  Filago californica I. L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 mile from Calistoga Comment
  UCD161338  Filago pyramidata var. pyramidata Jake Ruygt 1983-4-17 1430 Napa Napa County : Red Hill, Mt. St. Helena. (Coordinates estimated by label maker at UC Davis). 670 Comment
  JEPS17498  Foeniculum vulgare Willis L. Jepson 1894-10-15 14234 Napa rd. to the river east St. Helena Comment
  UC21052  Foeniculum vulgare W. L. Jepson Nov. 1895 Napa St. Helena Comment
  UCD162701  Foeniculum vulgare Jake Ruygt 1978-6-18 357 Napa Napa, near railroad track south of Imola Avenue. (Coordinates estimated by label maker at UC Davis). 3 Comment
  RSA51300  Fragaria californica Peter H. Raven 1950-4-5 1742 Napa Wooden Valley Grade above Napa. 457 Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC223442  Fraxinus dipetala Peter H. Raven 1952-5-26 4063 Napa Nr. Walter's [Walter] Springs 170 Comment
  CHSC108738  Fraxinus dipetala B. Castro; L. P. Janeway 2002-5-12 1368 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  JEPS110712  Fraxinus dipetala Jake Ruygt 1996-4-12 3609 Napa Blue Ridge, north of Monticello Dam. Portuguese Canyon. 365 Comment
  CAS-BOT-BC223533  Fraxinus latifolia H. E. McMinn 1923-5-25 957 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  JEPS122724  Fraxinus latifolia Jake Ruygt 1979-3-13 451 Napa Northeast corner of Trefethen Vineyard along Creek. Quad: Napa Comment
  JEPS44088  Fraxinus latifolia Willis L. Jepson 1903-9-6 2333 Napa St. Helena Napa River Basin Comment
  CAS-BOT-BC205891  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 mi. S. E. of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  JEPS81213  Fremontodendron californicum Douglas W. James Jr. 1973-5-5 102 Napa Off Road 128, 1.1 miles southeast of junction with Berryessa-Knoxville Road 213 Comment
  POM231106  Fremontodendron californicum Jens Clausen 1935-5-22 1061 Napa 15.9 mi SE of Lower Lake on the Monticello road beyond the Napa Co line. Comment
  CAS-BOT-BC130075  Fritillaria affinis Alice Eastwood 1918-5-1 6858 Napa Mt. St. Helena Comment
  CAS-BOT-BC130077  Fritillaria affinis Mrs. Elizabeth Wright 1922-3-30 s.n. Napa Calistoga Comment
  CAS-BOT-BC130078  Fritillaria affinis Alice Eastwood 1915-6-6 s.n. Napa Calistoga Comment
  SJSU1354  Fritillaria affinis J. W. Tilden 1953-5-24 1039 Napa NE slope of Mt St Helena 457 Comment
  UC3648  Fritillaria affinis Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  RSA52736  Fritillaria affinis I. L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga - Middletown highway Comment
  RSA91949  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UC421724  Fritillaria affinis Mrs. L. W. McArthur 1930-4-3 Napa Calistoga, Oathill Road summit Calistoga; , Oathill Road Comment
  CAS-BOT-BC506161  Fritillaria micrantha Loraine Hart; John Barry 1928-4-21 3626 Napa Mount Saint Helena beyond crater east of chamise lilies Comment
  JEPS113965  Fritillaria pluriflora Jake Ruygt 1996-2-24 3517 Napa NE of Big Basin about 3/4 mile. Jericho Valley 7.5' Quad. Comment
  JEPS129090  Fritillaria purdyi Jake Ruygt 2016-3-15 6163 Napa Missimer-Fernandes E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC508189  Fritillaria recurva E. Crum 1936-3-15 s.n. Napa Butt's Canyon, Pope Valley - Middletown Road Comment
  UCR24144  Fritillaria recurva var. coccinea John C. Roos 1939-3-3 301 Napa North Coast Range, Snell Valley, Angwin, Pacific Union College 549 Comment
  JEPS110565  Galium andrewsii subsp. andrewsii Jake Ruygt 1979-6-3 674 Napa Oat Hill Mine Rd. North 573 Comment
  UCD118515  Galium andrewsii subsp. andrewsii Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  SEINET7073048  Galium aparine 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
  UCD49247  Galium aparine L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 8 Napa SW end of Lake Barryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 10-20 ft. from stream. 152 Comment
  UCD13130  Galium aparine Etienne and Laurie Oleksiewicz 1981-4-18 8 Napa On Knoxville Rd., 8.9 miles north of Pope Canyon Rd., north facing slope. Comment
  JEPS52701  Galium bolanderi G. L. Stebbins Jr. 1963-6-12 6129 Napa Hwy 128 1/2 mi se junction with road to Spanish Flat (above w bank of creek); Capell Creek 274 Comment
  UC127126  Galium bolanderi Harley P. Chandler Sep 7 1906-Sep 14 1906 7105 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC102475  Galium californicum subsp. californicum Brandegee Aug. 1888 Napa Howell Mountain Comment
  SBBG29183  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa hills W of Napa Valley between St Helena and Mt St John 228 Comment
  UCD41466  Galium murale Ellen Dean; Deborah Canington 2003-3-1 1363 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road by running stream. 182 Comment
  UCD13188  Galium nuttallii Gary Fugle 1976-4-11 7 Napa 4 mi N of junction of hwy 121 and 128, along 128. Elev. 550 ft. 167 Comment
  POM196070  Galium nuttallii var. tenue L. F. Robbins 1926-3-26 s.n. Napa Putah Canyon. Comment
  UCD121896  Galium porrigens G. F. Hrusa; G. L. Stebbins 1994-4-14 11778 Napa Butts Canyon, 4 m. N Pope Valley. Along Butts Creek. 200 Comment
  UCD149695  Galium porrigens 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
  JEPS6622  Galium porrigens var. tenue W. L. Jepson 1936-4-5 17414 Napa s Knoxville ((probably Zim-Zim Ranch)) Comment
  JEPS6621  Galium porrigens var. tenue W. L. Jepson 1892-7-28 Napa Knoxville grade to Lower Lake Comment
  JEPS110560  Galium triflorum Jake Ruygt 1979-5-4 575 Napa Trefethen hillside property 91 Comment
  CAS-BOT-BC304340  Gamochaeta John Thomas Howell 1926-3-28 1775 Napa SE base of Mt St Helena in Napa Valley Comment
  CAS-BOT-BC199054  Garrya congdonii Baker 1938-5-1 9015 Napa Pope Creek ca. 7 miles from Monticello Comment
  CHSC108726  Garrya congdonii B. Castro; L. P. Janeway 2002-5-12 1363 Napa Inner North Coast Ranges. SW-facing slope overlooking Pocock Creek along sides of the dirt road from Devilhead Road. 502 Comment
  CAS-BOT-BC144384  Garrya fremontii H. E. McMinn 1925-1-23 1363 Napa Summit of Wooden Valley Grade Comment
  UC634834  Garrya fremontii H. L. Mason 1925-1-22 1201 Napa Wooden Valley Grade Comment
  JEPS122938  Gastridium phleoides Jake Ruygt 1982-5-15 1264 Napa Soda Canyon, west of the grade. Quad: Yountville. Comment
  UCD83409  Geranium carolinianum Jake Ruygt 2009-4-25 5400 Napa Conn Valley Rd., ca. 1/3 mi E of Howell Mountain Rd. 115 Comment
  UCR12066  Geranium dissectum Coleta A. Lawler 1964-3-24 01 Napa Henry Road, c. 0.5 mi. from junction with Buhman Avenue, c. 3 mi. west of Napa 8 Comment
  OBI71998  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  UCD49062  Geranium purpureum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 6 Napa Quail Ridge Reserve, Decker Canyon, along South Decker Canyon Rd., N of jct with Cut-Off Rd., S of jct with North Decker Canyon Rd., near shed. 152 Comment
  UCD150654  Geranium pusillum Stephen Brown 1974-4-6 27 Napa Four miles W junction of Hwys. 121 and 128, on Hwy 128. 304 Comment
  JEPS69530  Gilia capitata subsp. capitata W. L. Jepson 1896-6-2 15074 Napa hills at mouth of Conn Valley on edge Napa Valley; edge of Napa Valley, mouth of Conn Valley Comment
  UC914316  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7965 Napa w slope Mt. St. Helena Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  JEPS110950  Gilia tricolor subsp. diffusa Jake Ruygt 1992-4-2 2872 Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  JEPS110962  Gilia tricolor subsp. tricolor Jake Ruygt 1994-3-15 3321 Napa Chiles Canyon Road about 1 mile from Chiles Valley 353 Comment
  UC1197915  Gilia tricolor subsp. tricolor Louise Martin 1902-5-15 1446 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  UC650504  Gilia tricolor subsp. tricolor Ira L. Wiggins 1928-3-25 2869 Napa roadside 1 1/2 mi ne Calistoga; ne of Calistoga Comment
  UCD167228  Gilia tricolor subsp. tricolor Jake Ruygt 1982-4-7 1170 Napa Suscol Hill west of Highway 29 (221). 24 Comment
  JEPS33907  Githopsis specularioides D. E. Breedlove 1963-5-29 5063 Napa 4.5 mi n Pope Valley Comment
  UC527929  Githopsis specularioides Ira L. Wiggins R. Bacigalupi, R. S. Ferris 1933-6-2 6663 Napa 5 mi e St. Helena (on road to Pope Valley) 304 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
  JEPS122936  Glyceria occidentalis Jake Ruygt 1992-5-6 2933 Napa West of Foster Road, Napa (Raynes property). Quad: Napa. Comment
  UC32015  Gnaphalium palustre Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs; Napa River Basin Comment
  JEPS4233  Gratiola ebracteata Willis L. Jepson 1893-4-27 21317 Napa sw Napa City (Napa River Basin); , sw of Napa City 15 Comment
  CAS-BOT-BC304896  Grindelia hirsutula Peter H. Raven 1951-6-24 3018 Napa Brown's Valley 91 Comment
  CAS-BOT-BC304905  Grindelia hirsutula Peter H. Raven 1952-6-28 4211 Napa Chiles Valley 243 Comment
  CAS-BOT-BC304908  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Mt. St. Helena Comment
  JEPS41878  Grindelia hirsutula W. L. Jepson 1894-7-19 Napa near Toll House; Mt. St. Helena Comment
  JEPS41892  Grindelia hirsutula W. L. Jepson 1938-10-1 19050 Napa e slope of Mt. St. Helena Molly Patten Inn (at pass); Mt. St. Helena Comment
  POM203264  Grindelia hirsutula J. T. Howell 1933-6-4 11394 Napa East side of Napa Valley, near Stag's Leaf. Comment
  SEINET3142699  Grindelia hirsutula M. P. Dunford 1959-10-3 556 Napa 3/4 mi. N of Samuel Springs; along Trout Creek, 100 yards S of creek mouth Comment
  SEINET3142904  Grindelia hirsutula M. P. Dunford 1959-10-3 555 Napa 2 mi. W of Chiles Valley; along Soda Creek Comment
  UC134569 Image available Grindelia hirsutula Alice Eastwood 1900-5-7 Napa Calistoga Comment
  UC32141  Grindelia hirsutula Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UCD63180  Grindelia hirsutula var. davyi Jake Ruygt 1981-6-10 1051 Napa west of Mt. Vaca on Vaca Range. 457 Comment
  SEINET181248  Grindelia hirsutula var. hirsutula Bassett Maguire, RR Maguire; C. B. Maguire 1934-6-7 15299 Napa 20 miles N of Napa Comment
  CAS-BOT-BC123711  Grindelia stricta var. angustifolia John Thomas Howell 1932-10-8 10805 Napa Cuttings Wharf on Napa River Comment
  UCD161617  Gutierrezia sarothrae Jake Ruygt 2003-11-4 4565 Napa Blue Ridge about 1 mile north of Mays Flat. (Coordinates converted from UTM data by label maker). 716 Comment
  UCD161340  Harmonia hallii Jake Ruygt 1983-5-29 1476 Napa Berryessa-Knoxville Road, 2.4 miles south of Lake County line. (Coordinates estimated by label maker at UC Davis). 597 Comment
  UC177483  Harmonia hallii C. F. Baker 1902-5-8 3079 Napa Knoxville Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302229  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa Near Yountville Comment
  CAS-BOT-BC302235  Harmonia nutans J. Clausen 1935-5-23 1072 Napa 6.5 mi. N. of St. Helena on Howell Mtn near summit Comment
  CAS-BOT-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-BC302238  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  JEPS40057  Harmonia nutans Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  JEPS98943  Harmonia nutans Bruce G. Baldwin 1987-4-26 652 Napa immed. N of dirt road leading E from Las Posadas Fire Station, less than 0.1 mi E of station Las Posadas State Forest (Howell Mountain) Comment
  UC1746026  Harmonia nutans Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2769 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC30653  Harmonia nutans Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UCD164820  Harmonia nutans Jake Ruygt 2012-4-21 5828 Napa Crystal Flats, west of Putah Creek. 216 Comment
  UCD170289  Helenium bigelovii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 829 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  RSA756242  Helenium puberulum Barbara Ertter, Elizabeth Neese 1988-10-2 7955 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
  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
  LA204756  Helianthemum scoparium J. A. Ewan; 1934-9-30 8825 Napa Sarco Creek, 4 mi. above Napa Comment
  POM135793  Helianthemum scoparium var. vulgare C. F. Baker 1913-5-8 2973 Napa Knoxville Comment
  CAS-BOT-BC305536  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa Chiles Valley - 1-3 miles east 304 Comment
  CDA11825  Helianthus bolanderi G. F. Hrusa 1993-10-3 11426 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knoxville-Devilhead Rd. from Knowville-Berryessa Rd. 518 Comment
  UCR81348  Helianthus bolanderi G. Fred Hrusa 1993-10-3 11426 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 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
  CAS-BOT-BC309839  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-10-28 3957 Napa Knoxville 457 Comment
  JEPS106661  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1978-8-14 394 Napa SE corner Big Ranch Rd. and Trancas St., 13 Comment
  SBBG8414  Hemizonia congesta subsp. luzulifolia J. M. Tucker 1941-9-20 406 Napa jct of rd from Samuel Springs with Monticello-Pope Valley rd Comment
  UC197527  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10094 Napa near Napa Junction (La Eskina); Region of San Francisco Bay Comment
  POM215136  Hemizonia pungens subsp. pungens D. D. Keck 1933-11-10 2725 Napa 6 miles S of Napa. Comment
  UCD161309  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UC517967  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1931-4-19 6439 Napa Conn Valley Comment
  UCD47749  Hesperocyparis macnabiana Ari Houser, J. Westbrook; S. Ratay, M. Disney, R. Wolfson, S. Wathen 2000-4-22 19 Napa Napa co, McLaughlin Reserve, approx 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1 st ridge south of Devilhead Rd. 518 Comment
  UCD47750  Hesperocyparis macnabiana J Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk. 2000-4-22 14 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCSB46883  Hesperocyparis macnabiana Roos, John 1938-11-19 Napa Pope Valley, Aetha Springs, along creek Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
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Jan 2 2011
  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
  CAS-BOT-BC479715  Hesperolinon bicarpellatum Ann Howald 2003-5-23 2340 Napa Inner North Coast Ranges: Snell Valley Rd., c. 2.3 mi E of intrsection with Butts Canyon Rd. 190 Comment
  RSA151812  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-1 4117 Napa Between Walter Springs and Samuel Springs above Pope Creek, Pope Valley-Monticello road 152 Comment
  UC1212349  Hesperolinon bicarpellatum Helen K. Sharsmith 1958-10-16 4620 Napa s-facing slope of canyon about 100 ft above creek (road from Pope Valley to Monticello about 3 mi e of Pope Valley, btween Walters Springs and Samuels Springs); Inner North Coast Ranges, Pope Creek Canyon 137 Comment
  UCR242395  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Hwy 128, on lands of Continuum Estate Winery, at end of private road near winery 427 Comment
  UC2014176  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Napa County: Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. Comment
  UCD167349  Hesperolinon bicarpellatum Jake Ruygt 2007-5-19 5187 Napa Las Posadas State Forest, north east of Recreation Flat. 402 Comment
  CAS-BOT-BC176015  Hesperolinon californicum Peter H. Raven 1950-6-20 2369 Napa In the Napa Range between Conn Valley and Howell Mtn. Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  JEPS122800  Hesperolinon californicum Jake Ruygt 2002-5-18 4418 Napa Missimer/Snell Valley Wildflower Preserve. QUAD: Aetna Springs. Comment
  JEPS122836  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-18 229 Napa At end of Barnett Road off of Pope Valley Road. Comment
  OBI12547  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Inner North Coast Ranges. S margin Chiles Valley near Chiles Valley School 305 Comment
  UC1601241  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4617 Napa road from Rutherford to Monticello (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD149639  Hesperolinon californicum Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD167169  Hesperolinon californicum Jake Ruygt 2015-4-20 6076 Napa Fernandes/ Land Trust, Snell Peak area. 455 Comment
  CAS-BOT-BC176017  Hesperolinon californicum Lester Rowntree 1937-6-1 s.n. Napa Saca Canyon Comment
  JEPS122786  Hesperolinon clevelandii Jake Ruygt 2009-6-8 5427 Napa Wild Lake Ranch. Candlestick Ridge. QUAD: St. Helena. Comment
  JEPS122854  Hesperolinon clevelandii Adam C. Schneider with Dick O'Donnell 2013-5-28 238 Napa Along trail leading from the end of Atlas Peak Road. Southeast of summit of Mt. George Comment
  UC1212327  Hesperolinon clevelandii Helen K. Sharsmith 1952-6-19 4144 Napa about 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  CAS-BOT-BC176051  Hesperolinon clevelandii John Thomas Howell 1939-7-13 5359 Napa On the edge of the Crater Country Comment
  UCD110503  Hesperolinon clevelandii Robert E. Preston 1988-4-10 588 Napa ca. 0.9 mi ESE of confluence of Jericho and Hunting Creeks. 365 Comment
  JEPS127856  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 622 Napa Along Knoxville Devilhead Rd. south of junction with Knoxville Berrynessa Rd. Comment
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Dec 22 2020
  JEPS127858  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 620 Napa East of Knoxville berrynessa Rd at pullout by old chimney. Comment
  JEPS32322  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 731 Comment
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Jun 12 2012
  UC1212493  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa Pope Valley-Monticello road about 1 mi e spur road to Samuels Spring (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  UC1736417  Hesperolinon disjunctum Dean W. Taylor 1998-6-23 16699 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  SD51662  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa Directly east of Knoxville. 395 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
  UC1212482  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Knoxville-Monticello road 0.8 mi s Knoxville (above Knoxville Creek); Inner North Coast Ranges 365 Comment
  JEPS112654  Hesperolinon micranthum Jake Ruygt 1996-5-14 3692 Napa White Cliff Springs; Elder Valley; (Sabini property). 384 Comment
  JEPS122788  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5439 Napa Chiles-Pope Valley Road. QUAD: Chiles Valley. Comment
  SEINET10778334 Image available Hesperolinon sharsmithiae Unknown 2005-6-9 O'Donnell s.n. Napa Napa County, edge of serpentine chaparral about 180 m NW of the junction of Cedar Creek and Hunting Creek, Paradise Valley, Napa County, CA. USGS Jericho Valley Quad. 270 Comment
  JEPS123294  Hesperolinon sharsmithiae David Gowen 2009-6-18 1071 Napa Pope Canyon Road, west of where Maxwell Creek enters Pope Creek. Comment
  JEPS123309  Hesperolinon sharsmithiae David Gowen 2009-6-18 1069 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  JEPS112545  Hesperolinon spergulinum Jake Ruygt 1993-6-12 3283 Napa Lewelling Ranch, west of end Lewelling Lane. 185 Comment
  JEPS122849  Hesperolinon spergulinum Adam C. Schneider with Dick O'Donnell 2013-5-26 209 Napa Along Aetna Mine Road, by junction with Aenta Springs Rd. Comment
  POM86846  Hesperolinon spergulinum Marcus E. Jones 1881-7-6 343 Napa St. Helena. Comment
  UC1212390  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-19 4134 Napa ca 1 mi s Napa-Lake County line (State Highway 28, w base Mount St. Helena); Inner North Coast Ranges, Mount St. Helena 548 Comment
  UC168967  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2226 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC143747  Heteromeles arbutifolia Peter H. Raven 1952-6-28 4207 Napa Conn Cr. below Dam 121 Comment
  UC1536920  Heteromeles arbutifolia Gordon H. True Jr. 1937-6-20 729 Napa e of Napa (Mt. George); Mt. George 304 Comment
  JEPS20391  Heterotheca grandiflora W. L. Jepson 1934-10-19 16903 Napa flats by Napa River; St. Helena Comment
  UCD161253  Heterotheca oregona var. rudis Jake Ruygt 2007-12-10 5261 Napa Sulphur Creek west of valley View Drive, St. Helena. (Coordinates estimated by label maker at UC Davis). 76 Comment
  CAS-BOT-BC312335  Hieracium albiflorum Carl B. Wolf 1928-5-3 1808 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS107198 Image available Hoita macrostachya Jake Ruygt 1978-7-5 380 Napa 8.9 miles NE of Monticello Rd. on Atlas Peak Road 554 Comment
  UC16297  Hoita macrostachya W. H. Brewer 1862-7-6 1322 Napa Rag Canyon Comment
  UC1925923  Holocarpha virgata Ethel Crum Oct 1930 914 Napa Pope Valley. Comment
  CAS-BOT-BC149996  Holodiscus discolor var. discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya 487 Comment
  UCD83854  Hordeum brachyantherum Ellen Dean; Kate Mawdsley 2010-4-30 5944 a Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. 71 Comment
  UC1103742  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1905-7-6 2229 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek, Howell Mountian); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC284999  Hordeum depressum Peter H. Raven 1957-5-5 10752 Napa Calistoga 91 Comment
  CAS-BOT-BC285096  Hordeum marinum subsp. gussoneanum Peter H. Raven 1952-5-29 4078 Napa Napa River 1 mi. n. Napa 60 Comment
  UCD120915  Hordeum marinum subsp. gussoneanum Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7336 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CAS-BOT-BC273492  Hordeum vulgare E. Ruckert 1960-4-29 127 Napa 300 yards southeast of house, 6495 Dry Creek Road 365 Comment
  UC679532  Horkelia californica subsp. dissita Milo S. Baker 1942-6-26 10208 Napa 1 mi e Pac. Theolog. Seminary; Pine Crest Comment
  UCD75716  Hosackia crassifolia var. crassifolia Jake Ruygt 1989-5-20 2340 Napa Vaca Mtns. About 1 mile north of Mt. Vaca. 810 Comment
  POM285807  Hypericum androsaemum R. C. Bacigalupi 1928-06 1876 Napa Howell Mt., 10 mi. west of St. Helena Comment
  CAS-BOT-BC410212  Hypericum concinnum Peter H. Raven 1950-6-20 2380 Napa Howell Mtn. on NNE side Rd to Pope Valley Comment
  UC127127  Hypericum concinnum Harley P. Chandler Sep 7 1906-Sep 14 1906 7106 Napa Howell Mt., Alta Loma Ranch 487 Comment
  UCD73457  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC410801  Hypericum concinnum H. E. McMinn 1922-6-8 168 Napa Mt Howell Summit Comment
  UCD164742  Hypericum scouleri Jake Ruygt 2014-6-23 6018 Napa Sutro Ranch, Atlas Peak, near Foss Valley. 534 Comment
  CAS-BOT-BC312893  Hypochaeris glabra John H. Thomas 1955-5-21 5177 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCD161291  Hypochaeris glabra Jake Ruygt 1978-5-13 304 Napa Suscol plain. (Coordinates estimated by label maker at UC Davis). 6 Comment
  UCD133461  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 340 Napa east slope of Mt. Veeder. Comment
  UCD159530  Hypochaeris radicata D. S. Park 2011-4-11 278 Napa Off Redwood Rd. Residential district. 48 Comment
  CDA10865  Iris fernaldii G. F. Hrusa, M. Rejmanek 1993-5-15 10960 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. 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
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  SEINET4170710  Iris macrosiphon Unknown 1938-4-22 2132 Napa Above Dry Creek, 2 mi W. of Yountville, Miyakma Mountains, North Coast Ranges 457 Comment
  UC1134711  Iris macrosiphon A. Lewis 1932-5-18 98 Napa Dry Creek; Napa Quad. 152 Comment
  UC614451  Iris macrosiphon L. Constance 1938-4-22 2132 Napa 2 mi w Yountville (above Dry Creek); North Coast Ranges, Miyakma Mountains 457 Comment
  UCD116959  Iris macrosiphon Jillian Howard; 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
  UCD82595  Iris macrosiphon Ellen Dean; T. Starbuck 2009-5-4 5534 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD95898  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7043 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  RSA51284  Iris macrosiphon Peter H. Raven 1950-4-15 1761 Napa Wooden Valley grade above Napa 457 Comment
  SEINET12049801  Iris macrosiphon F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -303 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 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
  JEPS116562  Isoetes howellii Jake Ruygt 2005-4-30 4801 Napa Big Ranch Road at El Centro Ave. Napa 7.5' Quad. Comment
  RSA170232  Isoetes nuttallii Joseph P. Tracy 1950-5-23 18659 Napa La Jota Plateau, on hills at head of Moore s Creek, 5 miles east of Angwin s, Howell Mountain. 518 Comment
  JEPS129166  Isoetes orcuttii Jake Ruygt 2015-3-21 6048 d Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UC32952  Jaumea carnosa Willis L. Jepson 1896-11-4 Napa below Napa City Comment
  RSA7626  Juglans hindsii Carl B. Wolf 1933-9-28 5514 Napa Spully Ranch at head of Gordan Valley, below Lake Curry Dam 152 Comment
  UC730033  Juncus bufonius Leo F. Koch 1940-4-24 860 Napa 7 mi from Monticello (Pope Creek Road) Comment
  UCD149570  Juncus bufonius var. bufonius 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
  JEPS126053  Juncus dubius Jake Ruygt 2010-6-26 5659 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  JEPS122656  Juncus ensifolius Jake Ruygt 1984-6-23 1575 Napa Livermore Road, west of ranchhouse. Quad: Detert Reservoir. Comment
  UCD166703  Juncus kelloggii Jake Ruygt 10 Apr1992 2905 Napa southwest of Leoma Lakes, Wild Horse Valley Ranch. 423 Comment
  UCD168533  Juncus occidentalis 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
  UCD95940  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7065 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
  JEPS122658  Juncus oxymeris Jake Ruygt 1991-6-29 2739 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  UCD19920  Juncus patens E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 776 Napa Quail Ridge Reserve. Decker Canyon, along S. Decker Canyon trail, just N of Cut-off Rd., along drainage that runs NE of trail. 167 Comment
  RSA517031  Juncus patens W. L. Jepson 1936-6-1 17577 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  JEPS122661  Juncus phaeocephalus var. paniculatus Jake Ruygt 1978-5-27 340 Napa 7.7 miles NE of Monticello Road on Atlas Peak Road. Quad: Capell Valley. Comment
  RSA293538  Juncus xiphioides C. W. Tilforth, John Dourley 1979-7-22 1857 Napa 0.4 miles south of Park Headquarters, west side of Lake Berryesa. 137 Comment
  CAS-BOT-BC237851  Keckiella lemmonii Rimo Bacigalupi 1928-6-20 1873 Napa Howell Mt 10 miles west of St Helena Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  RSA140851  Kickxia elatine John H. Thomas 1960-8-29 8840 Napa About 1 mile north of Calistoga along highway number 53. Comment
  UC1552004  Kickxia elatine Aaron Liston and Sara Meury 1987-6-6 676 -1 Napa Bothe-Napa Valley State Park 150 Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  JEPS76091  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  CAS-BOT-BC499635  Kopsiopsis strobilacea L. R. Abrams 1928-5-4 12264 Napa Mt. St. Helena trail Comment
  UC175976  Lagophylla minor J. P. Tracy 1902-5-15 1474 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  CAS-BOT-BC341432  Lagophylla minor Peter H. Raven 1951-5-6 2821 Napa Silverado Trail 3/4 mile Conn Dam 152 Comment
  CAS-BOT-BC341553  Lagophylla ramosissima Peter H. Raven 1951-6-26 3061 Napa Wooden Valley Grade 304 Comment
  JEPS129036  Lagophylla ramosissima Jake Ruygt 2016-5-28 6266 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD132430  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  UC33058  Lagophylla ramosissima Willis L. Jepson 1894-5-1 Napa e St. Helena; Napa River basin Comment
  UCD133620  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  JEPS63244  Lamium amplexicaule Mrs. Clara A. Hunt 1909-3-30 Napa St. Helena Comment
  CHSC84558  Lasthenia californica John Dittes 2003-4-5 2003 -11 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  JEPS129073  Lasthenia californica Jake Ruygt 2016-4-2 6172 b Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC338273  Lasthenia californica Peter H. Raven 1951-5-26 2886 Napa Butts Canon [Canyon] 304 Comment
  POM361516  Lasthenia californica J. T. Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  UC30413  Lasthenia californica subsp. californica W. L. Jepson 1893-4-26 Napa La Lomita Napa Valley Comment
  UCD18084  Lasthenia californica subsp. californica Ellen Dean; with PLB 102 class 2000-4-22 640 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
  SEINET10669273  Lasthenia californica subsp. californica John T. Middleton 1936-3-21 Middleton 75 Napa Monticello, Ca. Comment
  JEPS106672  Lasthenia conjugens Jake Ruygt 1983-5-1 1451 Napa Suscol Hill east of HWY 29 (221) 27 Comment
  UCD63160  Lasthenia glaberrima Jake Ruygt 1993-4-18 3211 Napa west of west end of Rio DelMar Drive, American Canyon. 2 Comment
  UC33070  Lasthenia glabrata subsp. glabrata Willis L. Jepson 1894-1-1 Napa Conn Valley Comment
  JEPS10016  Lasthenia gracilis Helen-Mar Wheeler 1944-3-27 Napa roadside about 1.8 mi n south end of Conn Valley; Napa Range Comment
  UCD167170  Lathyrus aphaca Jake Ruygt 2015-4-24 6080 Napa Sutro Ranch, east side of Atlas Peak. 712 Comment
  UCD106197  Lathyrus aphaca Michael A. Vincent; Ethan H. Freid 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. 2.5 miles southeast of Calistoga city limits. Comment
  JEPS126083  Lathyrus cicera Jake Ruygt 1994-4-26 3354 Napa Pope Valley north of Barnett Road. Aetna Springs 7.5' Qua. Comment
  UCD81832  Lathyrus sphaericus Ellen Dean 2009-4-24 5462 Napa Property at 600 Petrified Forest Road. 170 Comment
  JEPS55293  Lathyrus torreyi W. L. Jepson 1897-5-2 13626 Napa sw of Calistoga (Rebecca Ranch grade); Hood Peak Range, Upper Napa Valley 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
  POM19738  Lathyrus vestitus subsp. vestitus C. F. Baker 1903-4-20 2607 Napa Mt. St. Helena. Comment
  JEPS107263  Lathyrus vestitus var. vestitus Jake Ruygt 1994-3-26 3338 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 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
  JEPS39100  Layia chrysanthemoides W. L. Jepson 1915-4-23 6257 Napa Conn Valley Napa Range, Conn Valley Comment
  CAS-BOT-BC323192  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  HSC5916  Layia chrysanthemoides Greg Bos 1963-3-30 59 Napa 3 mi. S of Middleton on Butte Canyon Rd. Comment
  SBBG8517  Layia gaillardioides H. and M. Dearing 1939-4-28 3220 Napa near Fairfax Comment
  JEPS106634  Layia septentrionalis Jake Ruygt 1989-4-22 2289 Napa Snell Valley Rd. just east of Butts Canyon Rd. 143 Comment
  JEPS39206  Layia septentrionalis Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS122954  Leersia oryzoides Jake Ruygt 1986-8-23 1903 Napa Conn Creek west of the spillway. Quad: Rutherford. Comment
  RSA537691  Lemna minuta L. R. Heckard 1964-5-23 1362 Napa Cleary Reserve (Nature Conservancy), which is about 2 miles southwest of Aetna Springs 366 Comment
  UCD124950  Lepechinia calycina M. Ensign 1943-5-28 317 Napa 13 miles from Monticello on road to Lower Lake. Comment
  UCD115356  Lepidium didymum Mrs. Rice 1921-9-27 s.n. Napa Windsor. 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
  JEPS106788  Lepidium latipes var. latipes Jake Ruygt 1981-4-18 981 Napa Harris Canyon 365 Comment
  UCD17994  Lepidium nitidum Ellen Dean; with Plant Biology 102 class 2001-4-14 720 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Rd. at junction with South Decker Canyon Rd. 365 Comment
  JEPS106843  Lepidium nitidum var. nitidum Jake Ruygt 1979-3-5 439 Napa Trefethen Vineyards, Oak Knoll 32 Comment
  UC10599  Lepidium strictum Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  JEPS53768  Lepidium virginicum Willis L. Jepson 1893-6-26 13399 Napa near St. Helena; Napa River Basin Comment
  POM182717  Leptosiphon androsaceus D. D. Keck 1931-4-3 1070 Napa Pope creek canyon, near Walter Springs Comment
  UCD118576  Leptosiphon androsaceus John D. Atkin 1952-5-1 15 Napa on north slope of Portuguese Canyon, about 1 mile up Putah Creek from Recreation Beach. Comment
  UCD118591  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 61025 Napa 1 mile north of Conn Reservoir, Lake Hennessy. 152 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
  UCD15043  Leptosiphon bicolor Helen West 1977-4-29 7 Napa California, Napa Co.; 6.3 miles southwest of Monticello Dam, off Road 128, in East Bull Canyon; Comment
  CAS-BOT-BC226692  Leptosiphon jepsonii L. R. Abrams 1928-5-3 12220 Napa St. Helena Grade Comment
  CAS-BOT-BC226720  Leptosiphon latisectus Alice Eastwood 1918-5-1 6851 Napa Mt. St. Helena Comment
  CHSC83406  Leptosiphon latisectus L. P. Janeway; B. Castro 2002-5-12 7540 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  HSC81692  Leptosiphon parviflorus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5143 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD49233  Leptosiphon parviflorus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., between Decker Ridge Rd. jct and Cut-Off Rd. jct. 304 Comment
  UCD167237  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1998-4-27 3939 Napa NE corner of the county, on Blue Ridge. 865 Comment
  CAS-BOT-BC324165  Lessingia hololeuca Milo S. Baker 1933-9-9 7536 Napa Near Calistoga Geysers Comment
  CAS-BOT-BC324167  Lessingia hololeuca John Thomas Howell 1927-9-10 3098 Napa Near Callistoga 213 Comment
  CAS-BOT-BC324168  Lessingia hololeuca Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Callistoga Comment
  UC912322  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa four mi n Calistoga Comment
  UC1287463  Lessingia ramulosa Willard Spence 1962-7-20 719 Napa 2 mi nw Pope Valley (on the road to Aetna Springs) Comment
  UC87931  Lessingia ramulosa D. Cleveland 1882-8-23 Napa Aetna Springs Comment
  CAS-BOT-BC444417  Lewisia rediviva Milo S. Baker; Alice Griffin 1926-3-30 168 Son Ser. Napa The Crater, Mt St Helena Comment
  CAS-BOT-BC444418  Lewisia rediviva Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  JEPS43232  Lewisia rediviva Pearl Lutzi May 1916 Napa High Rocks on the road to Oat Hill Mine; Calistoga Comment
  UC204945  Lewisia rediviva C. F. Sonne May 1896 Napa Hills Napa Soda Springs Soda Springs Comment
  UC472  Lilaea scilloides Willis L. Jepson 1893-4-26 Napa near Yountville; Napa River Basin Comment
  JEPS19628  Limnanthes douglasii W. L. Jepson 1936-4-5 17412 Napa about 2 mi s Monticello; Berryessa Valley Comment
  UC917116  Limnanthes douglasii D. C. Finfrock 1950-4-4 10 Napa along roadside of State Hwy 29 Yountville (n edge of Yountville) Comment
  POM137445  Limnanthes douglasii subsp. douglasii C. F. Baker 1903-4-19 1991 Napa Calistoga. Comment
  JEPS112566  Limnanthes douglasii subsp. nivea Jake Ruygt 1994-4-16 3350 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  JEPS120412  Limnanthes vinculans Jake Ruygt 2010-5-24 5562 Napa South of Heitz Way, west side of Hwy 29. Comment
  UC146062  Linanthus dichotomus H. P. Chandler 1907-4-25 7535 Napa Conn Valley Comment
  UC971717  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 8 mi s Pope Valley Store Comment
  POM182740  Linanthus dichotomus subsp. meridianus D. D. Keck 1931-4-2 1044 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  SEINET12329985  Linanthus dichotomus subsp. meridianus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -299 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  SEINET205184  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa in serpentine between road and creek; ca. .25 mile east of mail boxes on road to M & M Ranch. Middle snell valley. Comment
  JEPS95210 Image available Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa 1.3 KM W of Hardin Rd.; Wantrup Wildlife Sanctuary 265 Comment
  JEPS110985  Linanthus parviflorus Jake Ruygt 1996-4-10 3576 Napa Soda Spring, White Cliff Springs 396 Comment
  UC23769  Linanthus parviflorus Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Napa River Basin Comment
  CDA40092  Linanthus parviflorus T. C. Fuller 1958-5-1 3720 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  UC23783  Linanthus parviflorus Willis L. Jepson 1893-4-24 Napa e of St. Helena; Napa River Basin Comment
  UC517483  Linanthus parviflorus John Thomas Howell 1933-5-21 11314 Napa e of Napa Comment
  UC908692  Linanthus parviflorus Herbert L. Mason 1926-3-22 2790 Napa along road from Calistoga to Petrified Forest (near Sonoma County line) Comment
  UCD18371  Linum bienne R. Wenk 2000-5-14 7 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD110568  Linum bienne Irving Grover 1959-5-15 s.n. Napa Near Napa. Comment
  CAS-BOT-BC36062  Lithocarpus densiflorus var. densiflorus Alice Eastwood 1918-5-1 6855 Napa Mt. St. Helena Comment
  RSA121900  Lithocarpus densiflorus var. densiflorus R. W. Lundh 1933-7-14 256 Napa 1/2 mile northeast of McCormack Ranch. 427 Comment
Read comments
Jul 28 2014
  CAS-BOT-BC430625  Lithophragma affine L. R. Abrams 1928-5-3 12245 Napa Summit Mt. St. Helena Grade Comment
  JEPS47500  Lithophragma affine Willis L. Jepson 1893-4-24 13467 Napa hills e St. Helena (Napa River Basin); , e of St. Helena Comment
  JEPS48657  Lithophragma affine Elsa Kraeger 1926-3-28 Napa 1/2 mi below Mt. St. Helena Inn (roadside); below Mt. St. Helena Inn Comment
  JEPS110625  Lithophragma bolanderi Jake Ruygt 1998-5-30 4006 Napa About .3 mile from Table Rock. 682 Comment
  UCSB2569  Lithophragma heterophyllum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  UCD49256  Lithophragma parviflorum var. parviflorum C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 24 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; 50 ft. NW of N. Decker Canyon Rd./West Rd. jct; N side of road. 152 Comment
  CAS-BOT-BC60179  Lobularia maritima Peter H. Raven 1951-5-6 2831 Napa Saint Helena. 91 Comment
  UC164899  Logfia filaginoides J. P. Tracy 1902-5-16 1504 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD159923  Logfia filaginoides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.E section. 243 Comment
  CAS-BOT-BC342246  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 miles from Calistoga Comment
  JEPS20927  Logfia gallica W. L. Jepson 1923-4-29 9886 Napa St. Helena Comment
  JEPS33569  Logfia gallica W. L. Jepson 1936-6-2 17614 Napa hills to e Yountville (on e side road); Napa Valley Comment
  UC1132201  Lolium multiflorum J. B. Spring 1932-6-7 70 Napa head of Carneros Creek; Napa Quadrangle, head of Carneros Creek Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  JEPS104544  Lomatium californicum Jake Ruygt 1994-3-26 3334 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 79 Comment
  SEINET2159284  Lomatium ciliolatum var. hooveri W. H. Whaley 2007-1 s.n. Napa Aetna Springs area. Comment
  JEPS17138  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1896-6-2 14303 Napa Red ridge across mouth of Conn Valley; Napa R. Basin Comment
  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
  UCD170299  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 839 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 512 Comment
  UCD18069  Lomatium hooveri Ellen Dean; with Plant Biology 102 class 2000-4-22 624 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
  UCD63184  Lomatium hooveri Jake Ruygt 2003-5-5 4520 Napa On ridge west of Foley Creek, east of Knoxville Creek. 411 Comment
  UCD63188  Lomatium macrocarpum Jake Ruygt 2005-4-17 4762 c Napa Bear Valley. 615 Comment
  UCD67609  Lomatium marginatum D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Serpentine chaparral in Capell Creek. 250 Comment
  RSA452596  Lomatium marginatum var. purpureum J. T. Howell 1931-4-19 6466 Napa Conn Valley (region of type locality) Comment
  RSA42338  Lomatium repostum Lincoln Constance, Davidson, Wagner, Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  JEPS104553  Lomatium utriculatum Jake Ruygt 1989-5-9 2319 Napa American Canyom, Avilla Ranch 121 Comment
  UC173178  Lomatium utriculatum Katharine Brandegee 1909-6-1 Napa summit Pope Valley Grade Comment
  UCD170217  Lomatium utriculatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 740 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  UCD18038  Lomatium utriculatum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 589 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
  UCD47866  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 24 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Barryessa-Knoxville Road. 411 Comment
  UCD47867  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 25 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UC176034  Lomatium utriculatum H. P. Chandler 1907-5-19 7574 Napa St. Helena, White Sulphur Spring Comment
  JEPS104515  Lomatium vaginatum Jake Ruygt 1998-5-30 4003 Napa Table Rock 749 Comment
  SBBG9303  Lonicera hispidula S. Wagener 1955-5-15 60 Napa lookout spot ca. 0.5 mi SW of Oakville, on Trinity Rd Comment
  JEPS106724  Lonicera hispidula var. vacillans Jake Ruygt 1979-6-1 663 Napa 1.2 miles west of HWY 29 on Diamond Mtn. Road 195 Comment
  JEPS12814  Lonicera interrupta W. L. Jepson 1898-1-4 Napa Howell Mt. Comment
  UCD137340  Lonicera interrupta E. F. Beukman 1964-5-8 33 Napa State Highway 128, 3 miles southwest of Monticello Dam. Comment
  JEPS107212  Lotus humistratus Jake Ruygt 1977-4-17 192 Napa .4 mile west of HWY 29 on Oat Hill Mine Road 195 Comment
  JEPS107208  Lotus pinnatus Jake Ruygt 1986-5-18 1774 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 449 Comment
  JEPS107206  Lotus purshianus var. purshianus Jake Ruygt 1992-5-15 2960 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UC1129135  Lotus scoparius A. Lewis 1932-5-1 103 Napa Sarco Creek Napa Quad. 243 Comment
  UCD65967  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 107 -LU Napa Roadside drain along Solano Ave west of Hwy 29 between Vinters Golf Club and Hoffman Lane crossing, Yountville, CA. 23 Comment
  RSA13515  Lupinus affinis H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  UC725890  Lupinus albifrons A. A. Heller 1940-5-6 15587 Napa just below the summit crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena just below summit Comment
  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-BC201550  Lupinus albifrons var. albifrons E. K. Balls 1952-5-8 8743 Napa 2.8 mi. W. from Calistoga on rd. to Santa Rosa, via. Petrified Forest Comment
  POM195576  Lupinus albifrons var. albifrons H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  UCD170209  Lupinus albifrons var. albifrons Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 748 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  CAS-BOT-BC196281  Lupinus albifrons var. eminens Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  JEPS107235  Lupinus bicolor Jake Ruygt 1996-5-4 3655 Napa Butts Canyon Road at James Creek Road; SE field. 205 Comment
  JEPS65351  Lupinus bicolor W. L. Jepson 1924-4-6 10317 Napa Howell Mt. Comment
  UC338165  Lupinus bicolor unknown April 1889 Napa Calistoga Comment
  JEPS64994  Lupinus bicolor subsp. tridentatus Willis L. Jepson 1897-5-2 32 t Napa St. Helena Napa River Basin, St. Helena Comment
  UC15865  Lupinus formosus Willis L. Jepson 1893-1 Napa Napa River Basin, near Oakville Comment
  UC1543152  Lupinus latifolius Charlotte G. Nast 1936-3-27 82 Napa Childs Canyon Comment
  UCD108139  Lupinus latifolius M. Wiesendanger 1927-5-4 673 Napa Near Monticello. Comment
  UCD108108  Lupinus latifolius K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  POM66217  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS107225  Lupinus latifolius var. latifolius Jake Ruygt 1991-5-11 2653 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 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
  UCD108720  Lupinus microcarpus var. densiflorus Ethel H. Hyde 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  OBI48336  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
  OBI48337  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
  UCD16026  Lupinus microcarpus var. microcarpus N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 14 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 3-6 dm tall, flowers light purple, white, or yellow. Comment
  CHSC84571  Lupinus nanus John Dittes 2003-4-5 2003 -14 Napa Inner North Coast Range; approximately 6.0 air-miles north of Calistoga, west of confluence of St. Helena and Van Ness Creeks, approximately 0.7 air-mile south of the Lake County Line; on slope below State Hwy 29. 475 Comment
  JEPS107247  Lupinus nanus Jake Ruygt 1994-3-15 3315 Napa Chiles Canyon Road about 1 mile from Chiles Valley 350 Comment
  JEPS65392  Lupinus nanus W. L. Jepson 1897-5-2 60 t Napa St. Helena Comment
  SDSU21300  Lupinus nanus Michael S. Armstrong 2015-4-1 4 Napa Open field along CA-29 in St. Helena. East side of road about 200 feet from the roadway. 76 Comment
  UCD48956  Lupinus nanus S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 12 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
  SBBG67013  Lupinus nanus Mrs. H. P. Bracelin 1932-4-17 234 Napa 4 mi S of Yountville Comment
  JEPS126089  Lupinus pachylobus Jake Ruygt 1995-6-3 3485 Napa Mount St. Helena, 100 yards from Highway 29 summit. Detert Reservoir 7.5' Qua. Comment
  JEPS65427  Lupinus polyphyllus W. L. Jepson 1893-6-26 44 t Napa Howell Mt. Comment
  CAS-BOT-BC202229  Lupinus sericatus Alice Eastwood 1915-6-6 4668 Napa Mt. St. Helena Comment
  RSA15625  Lupinus vallicola subsp. apricus Carl B. Wolf 1928-2-25 1481 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS126059  Luzula comosa var. comosa Jake Ruygt 2010-6-21 5643 Napa Van Ness Canyon near Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UCD167050  Luzula comosa var. comosa Jake Ruygt 1990-4-28 2512 Napa Bear Valley. 615 Comment
  CHSC102263  Lythrum hyssopifolia Lowell Ahart 2009-10-27 16488 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD167281  Lythrum hyssopifolia Jake Ruygt 1989-6-25 2385 Napa Napa River north of Trancas Street, Napa. 1 Comment
  CAS-BOT-BC342615  Madia anomala R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6671 Napa 6 mi. NE. of Pacific College (Howell Mt.) on road to Aetna Springs Comment
  CAS-BOT-BC343834  Madia elegans Alice Eastwood 1918-9-3 7957 Napa Mt. St. Helena Comment
  CAS-BOT-BC344444  Madia exigua Peter H. Raven 1950-7-20 2378 Napa Howell Mtn., on nne side road to Pope Valley Comment
  JEPS38329  Madia exigua W. L. Jepson 1938-5-22 18828 Napa Snell Valley Comment
  RSA654108  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UCD118528  Madia exigua Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 403 Comment
  UCD170436  Madia exigua Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 908 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road. 348 Comment
  UCD38571  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mtns., Markley Canyon, along new road from Monticello Dam to Napa. Comment
  JEPS129043  Madia gracilis Jake Ruygt 2016-6-5 6272 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD20728  Madia gracilis Ellen Dean; w/ Mark Bibbo 2002-6-17 1106 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  UCD48589  Madia gracilis S. Murphy; K. Keck and K. Dyer 2002-5-5 2 Napa Quail Ridge UC Reserve, northern tip of ridge, 7 m from E edge of stock pond. 328 Comment
  CAS-BOT-BC343204  Madia gracilis H. M. Hall 1931-5-26 13085 Napa Napa Range, west base (5.3 miles from Napa; road to Wooden Valley) Comment
  RSA52718  Madia gracilis subsp. gracilis I. L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  POM53357  Madia nutans W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin, Wooden Valley Grade Comment
  RSA10705  Madia nutans C. B. Wolf 1928-5-3 1782 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA170280A  Madia nutans Joseph P. Tracy 1950-5-23 18663 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  SD27912  Madia nutans Carl B. Wolf 1928-5-3 1782 Napa 5.0 miles north of Calistoga; Mt. St. Helena Grade. Comment
  CAS-BOT-BC345050  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  JEPS40221  Madia sativa Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UCD83743  Madia sativa Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5992 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 176 Comment
  UC830824  Madia sativa H. E. Brown, A. A. Heller 1902-5-24 5683 Napa Napa Comment
  UCD161758  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Highway 29 near Paoli Loop Road, American Canyon. 19 Comment
  UCD139045  Maianthemum dilatatum Joan A. Wegner 1973-6-1 93 Napa Bird Hill near St. Helena. Comment
  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
  UCD37682  Malacothrix Beecher Crampton 1961-6-12 5899 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS106900  Malacothrix clevelandii Jake Ruygt 1982-5-15 1260 Napa Stag's Leap on Soda Canyon side. Yountville 7.5' Quad. 426 Comment
  CAS-BOT-BC347511  Malacothrix floccifera H. M. Hall 1931-5-27 13096 Napa Near Knoxville Comment
  UCD134397  Malacothrix floccifera B. Wengeler 1995-4-30 s.n. Napa 0.2 mile north of Hwy 128 along Knoxville Road. 183 Comment
  UCD170676  Malacothrix floccifera Matthew Conner; Plant Science 102 class 2018-4-28 12 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
  UCD18068  Malacothrix floccifera Ellen Dean; with Plant Biology 102 class 2000-4-22 623 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
  UC28925  Marah fabacea Willis L. Jepson 1893-4-27 Napa Napa City Napa River Basin Comment
  UCD19945  Marah watsonii E. A. Dean; Virginia Boucher 2002-2-28 901 Napa Quail Ridge Reserve. Along East Rd., 0.65 airline miles SE of stock pond at tip of ridge, where East and West Roads converge. 396 Comment
  UCD125022  Marrubium vulgare M. R. Wanzer 1948-5-6 12 Napa Putah Canyon, 8 miles west of Winters. Comment
  UCD48564  Matricaria discoidea Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 176 Comment
  CAS-BOT-BC269414  Melica californica Betty H. Johnson 1958-6-20 653 Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  UC767182  Melica californica R. F. Hoover 1941-5-10 499 Napa between St. Helena and Calistoga Comment
  UCD18005  Melica californica Ellen Dean; with Plant Biology 102 class 2001-4-28 737 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD86929  Melica californica Beecher Crampton 1962-5-16 6438 Napa Napa county. 0.5 mile east Chiles Valley School, along state Hwy. 128. Comment
  UC187217  Melica geyeri Joseph P. Tracy 1902-5-15 1468 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 396 Comment
  UC964731  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa 7 mi s Calistoga (along Silverado Trail Road) Comment
  UCD121128  Melica geyeri Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7341 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  JEPS122949  Melica harfordii Jake Ruygt 1990-5-19 2560 Napa 1/2 mile north of Diamond Mountain Road on Highway 29. Quad: Calistoga. Comment
  CAS-BOT-BC264214  Melica torreyana Peter H. Raven 1953-3-29 5219 Napa Hills e. of Imola 121 Comment
  CDA12102  Melica torreyana G. F. Hrusa 1989-4-24 5961 Napa North Coast Biodiversity Arena; W side of upper Chiles Valley. Comment
  JEPS129103  Melica torreyana Jake Ruygt 2016-5-3 6227 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  RSA125878  Melica torreyana P. H. Raven 1957-5-5 10760 Napa Hills at western edge of Calistoga. 152 Comment
  SBBG115838  Melica torreyana B. Crampton 1958-4-29 4756 Napa Capell Crks, N end of Capell Valley Comment
  UC38874  Melica torreyana Willis L. Jepson 1894-5-1 Napa opposite mouth of Conn Valley (Red Ridge); Napa River Basin, Red Ridge Comment
  UCD160727  Melica torreyana Ellen Dean 2015-5-23 8779 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD163272  Melica torreyana D. Slakey; CNPS Volunteers 2015-4-25 117 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCD89214  Melica torreyana E. Wilson 1932-5-1 s.n. Napa Traffic Officer's Country Club. 274 Comment
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May 1 2014
  UCSB423  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek about 3 miles east of Chiles Valley Comment
  CHSC83412  Melilotus indicus L. P. Janeway; B. Castro 2002-5-12 7534 Napa Inner North Coast Ranges. Flats along the small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  POM66928  Melilotus indicus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS63287  Melissa officinalis W. L. Jepson 1934-10-19 16904 Napa Napa R. near St. Helena; San Francisco Bay vicinity, Napa R. Comment
  JEPS120420  Mentha arvensis Jake Ruygt 2010-8-14 5729 Napa West of Lake Berryessa Headquarter at inflow of Capell Creek. Comment
  JEPS120372  Mentha suaveolens Jake Ruygt 1986-6-28 1852 Napa Near intersection of Chiles-Pope Valley. Road and Lower Chiles Valley Road. Capell Valley 7.5' Quad. Comment
  CAS-BOT-BC428856  Micranthes californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CDA10905  Micropus californicus G. F. Hrusa, M. Rejmanek 1993-5-15 11001 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD121166  Micropus californicus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7352 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  JEPS106895  Micropus californicus var. californicus Jake Ruygt 1996-5-13 3668 b Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 216 Comment
  UCD47915  Micropus californicus var. californicus Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 16 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  JEPS84591  Micropus californicus var. californicus John W. Willoughby 1975-5-23 774 Napa w of, s of highway Monticello Dam; Vaca Mountains, State Highway 128 Comment
  SEINET200984  Micropus californicus var. californicus J. P. Tracy 1902-5-14 1442 Napa Howell Mountain Grade near St. Helena 305 Comment
  POM203302  Microseris douglasii subsp. douglasii J. T. Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC349184  Microseris elegans David D. Keck 1931-4-4 1093 Napa Geysers just NW. of Calistoga, northwestern Napa County Comment
  RSA31299  Microseris lindleyi Joseph A. Ewan 1934-4-30 8813 Napa Sarco Creek, 4 miles above Napa. Comment
  POM182735  Microsteris gracilis subsp. gracilis D. D. Keck 1931-4-2 1050 Napa 4 miles S of Monticello, eastern Napa County. Comment
  CDA41679  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. 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
  UCD14921  Mimulus aurantiacus Wesley Ebert 1977-4-16 34 Napa 6 miles south west of Monticello Dam, along the east side of Highway 128 above East Bull Canyon. 213 Comment
  UCD49283  Mimulus aurantiacus C. Mathews; C. Little, K. Glover, and T. Petrie 2001-4-14 18 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 315 ft. N of creek, 160 ft. NE of small dry creek bed. 167 Comment
  JEPS41081  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9097 Napa about 3 air mi s Knoxville (along jeep trail, sw of waterfall of Zim Zim Creek, leading to headwaters of Nevada Creek) 396 Comment
  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
  JEPS10249  Mimulus cardinalis Alice King July 1919 Napa Van Ness ranch Mt. St. Helena Comment
  JEPS110608  Mimulus congdonii Jake Ruygt 1982-3-20 1135 Napa Mt. St. John 548 Comment
  JEPS128874  Mimulus douglasii Jake Ruygt 1999-5-15 4157 b Napa North side of Ritchey Canyon, near Bothe State Park. Calistoga 7.5' Quad. Comment
  JEPS11029  Mimulus guttatus Willis L. Jepson 1893-5-2 29 m Napa e Calistoga (Pope Valley grade); Napa River Basin, Napa Range Comment
  UC26858  Mimulus guttatus Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  SFV8685  Mimulus guttatus J. W. Riekels 1961-4-29 35 Napa Wragg Canyon. 0.25 miles north of State Highway 128. Near stream bed. 152 Comment
  JEPS110612  Mimulus inodorus Jake Ruygt 2005-5-25 4865 Napa Munson Ranch, E end of Circle Oaks, Ridgecrest Drive 438 Comment
  JEPS110578  Mimulus kelloggii Jake Ruygt 1998-5-20 3989 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 670 Comment
  JEPS8205  Mimulus layneae W. L. Jepson 1893-6-26 35 m Napa Howell Mountain Comment
  UC1196804  Mimulus layneae Joseph P. Tracy 1933-6-2 12460 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC1778558 Image available Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  UC1301190  Mimulus microphyllus Helen K. Sharsmith 1963-3-17 5216 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UC147909  Mimulus microphyllus J. P. Tracy 1902-5-21 1584 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 365 Comment
  UCD48232  Mimulus microphyllus Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 2 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  JEPS110582  Mimulus nasutus Jake Ruygt 1982-4-25 1203 Napa Swartz Canyon 381 Comment
  UC147911  Mimulus nasutus J. P. Tracy 1902-5-15 1472 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS11360  Mimulus nasutus W. L. Jepson 1921-5-6 9172 Napa Yountville 30 Comment
  UC725781  Mimulus nasutus A. A. Heller 1940-4-22 15545 Napa Knight's Valley Comment
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Jun 25 2013
  JEPS110597  Mimulus nudatus Jake Ruygt 1995-6-17 3507 Napa Butts Canyon Road; about 100 yds up slope. 307 Comment
  UCD170353  Mimulus nudatus Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 852 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 459 Comment
  UCD63856  Mimulus nudatus Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCR42417  Mimulus nudatus L. F. LaPre 1986-5-6 s.n. Napa Devil Head Road, c. 2 mi south of the Berryesa to Knoxville Road, 1.75 airlines mi south of Knoxville & about 1.75 mi east of the Lake Co. line. 488 Comment
  JEPS28967  Mimulus pulsiferae Joseph P. Tracy 1950-5-23 18661 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  UC1196778  Mimulus pulsiferae J. P. Tracy 1902-5-19 1566 Napa 3-4 mi e Angwin's (in stream bed); Howell Mountain, La Jota Plateau, head of Moore's Creek 518 Comment
  CDA41814  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa 15 meters east of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  JEPS22478  Minuartia californica Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin Comment
  JEPS22493  Minuartia californica Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 Comment
  JEPS51426  Minuartia californica W. L. Jepson 1940-2-29 19500 Napa 4 mi se Yountville; Vicinity of San Francisco Bay, Napa Valley Comment
  SFV8436  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 miles east of Middletown. 305 Comment
  CAS-BOT-BC388757  Minuartia douglasii John Thomas Howell 1931-4-19 6458 Napa Conn Valley Comment
  CAS-BOT-BC388758  Minuartia douglasii John Thomas Howell 1933-6-4 11393 Napa Hills east of Napa Comment
  POM216216  Minuartia douglasii D. D. Keck 1933-5-29 2346 Napa Pope Creek bridge south of Walters Springs; south wall of Pope Creek Canyon. Comment
  CAS-BOT-BC220615  Monardella villosa Betty H. Johnson 1958-6-15 616 Napa Near St. Helena River, 6.4 mi. S. W. of Middletown 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
  UCD20755  Monardella viridis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 104 Napa McLaughlin UC Reserve. Just S of the reserve on Adam's Ridge Rd. 1.6 road miles E of the jct with Devilhead Rd. 640 Comment
  UCD73421  Monardella viridis Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC220696  Monardella viridis Willie Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  UC7845  Montia fontana Willis L. Jepson 1893-4-26 Napa Napa River Basin, Rutherford Rutherford; Napa River Basin, Rutherford Comment
  UCD48419  Nassella lepida M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 5 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines. 304 Comment
  UCD87903  Nassella lepida Gerry North 1993-3 27 Napa Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 60 m S of Vista Point at old slide. On NE side of Adobe Canyon Road. Comment
  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
  UCD17999  Nassella pulchra Ellen Dean; with Plant Biology 102 class 2001-4-28 730 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  CAS-BOT-BC60336  Nasturtium officinale Betty H. Johnson 1958-6-15 636 Napa Near Spring, 0.5 mile above Mount Mill House, 6.4 miles southwest of Middletown. Comment
  POM215775  Navarretia cotulifolia D. D. Keck 1933-5-29 2350 Napa Just south of Pope Creek Bridge, south of Walter Springs Comment
  JEPS112537  Navarretia heterodoxa Jake Ruygt 1979-7-3 736 Napa 7.6 miles north of Monticello Rd. on Atlas Peak Rd. 426 Comment
  UCR212281  Navarretia heterodoxa Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UC657734  Navarretia heterodoxa Milo S. Baker 1941-6-30 10156 Napa n road from Silverado Trail (along highway to Howell Mt.) Comment
  UC143015  Navarretia intertexta Katharine Brandegee 1910-7-27 Napa near Angwin's Comment
  UC23652  Navarretia intertexta Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  JEPS70335  Navarretia intertexta Willis L. Jepson 1903-9-7 2351 Napa above St. Helena Reservoir (near summit w side of valley, in York Creek Canyon); Napa River Basin, St. Helena, York Creek Canyon Comment
  UCD36945  Navarretia intertexta subsp. intertexta Beecher Crampton 1956-5-25 3470 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  RSA83074  Navarretia jepsonii Verne Grant, Alva Grant 1946-5-26 7638 Napa By Guinot Lake, Pope Valley Comment
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Jun 4 2014
  JEPS112540  Navarretia pubescens Jake Ruygt 1998-6-29 4067 Napa About 4.7 miles north of first bridge on Berryessa-Knox. Rd 441 Comment
  UCD18142  Navarretia pubescens Jean Shepard; with PLB 102 class 2000-4-29 193 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
  JEPS70416  Navarretia pubescens Willis L. Jepson 1892-7-28 20964 Napa near Knoxville (ne Napa Co.); Mountain Region of Clear Lake Comment
  JEPS83636  Navarretia rosulata R. Raiche 1987-5-23 70198 Napa W of Lake Berryessa, Cedar Roughs, headwaters of Hardin Creek, SW of Gilliam Spring, top of ridge, 640 Comment
  CDA19939  Navarretia squarrosa R. McLellan, M. Bozzo 2002-7-5 PDR 1220417 Napa North Coast Ranges; Vicinity of Calistoga. 0 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
  JEPS120356  Navarretia subuligera Jake Ruygt 2005-5-11 4837 Napa South of Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UC143006  Navarretia tagetina Katharine Brandegee 1910-5 Napa above Calistoga; Toll House Grade Comment
  UC23889  Navarretia viscidula Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs Napa River Basin Comment
  SBBG29777  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa 4 mi N of Knoxville Mines Comment
  JEPS41066  Nemacladus montanus Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9104 Napa about 1 mi n headwaters of Zim Zim Creek (along Devilhead Road) 493 Comment
  SEINET10461255  Nemacladus montanus Hoffman 1952-5-24 HOFFMAN s.n. Napa Sage Canyon road, 8.3 miles west of the junction of the Monticello, Sage Canyon and Winters roads Comment
  SEINET3815165 Image available Nemacladus rigidus Herbert L. Mason 1935-5-30 10000 Napa Four miles N of Knoxville Mines Comment
  JEPS85032  Nemophila heterophylla Larry Heckard and Mary Ashton 1969-5-3 2206 Napa ca 7 mi ne Napa (off the Atlas Peak Rd., Mead Ranch); ne of Napa, Mead Ranch, off Atlas Peak Rd. 457 Comment
  UCD49093  Nemophila heterophylla A. Van Houtte; E. Leger and C. Hohn 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., in drainage NW and upslope of Decker Canyon stock pond. 152 Comment
  POM182714  Nemophila heterophylla D. D. Keck 1931-4-2 1014 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  POM248912  Nemophila heterophylla Lincoln Constance 1938-3-27 2035 Napa East slope 5 miles east of Napa, in the Howell Mountains, North Coast Ranges. 457 Comment
  POM65290  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena. Comment
  RSA92829  Nemophila heterophylla Peter H. Raven 1950-5-6 2033 Napa Shaded south limits of Calistoga, on Route 28. 61 Comment
  JEPS110841  Nemophila menziesii Jake Ruygt 1977-3-14 156 Napa .2 mile north of Silverado Trail on Soda Canyon Rd. 121 Comment
  JEPS85033  Nemophila menziesii Larry Heckard and Mary Ashton 1969-5-3 2205 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 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
  UC126919  Nemophila menziesii H. P. Chandler 1906-4-17 6077 Napa Comment
  UCD120234  Nemophila menziesii Michael A. Vincent; Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80. Comment
  UCD120237  Nemophila menziesii G. L. Webster 1967-3-23 7494 Napa c. 1 mi S of Spanish Flat. 167 Comment
  UCD149685  Nemophila menziesii Stephen P. Rae; Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD82053  Nemophila menziesii Robin McMaster 1972-4-22 69 Napa Pope Valley. Comment
  SEINET5730453 Image available Nemophila menziesii Stephen L. Clement 1973-1 25- 4 -8 Napa 11.6 miles south of Pope Valley, Napa County.; Pope Valley Comment
  JEPS110862  Nemophila menziesii var. atomaria Jake Ruygt 1995-3-21 3409 Napa In small meadow on floodplain of creek; igneous rock; Mixed Evergreen Forest 108 Comment
  UCD166684  Nemophila parviflora var. parviflora Jake Ruygt 2005-4-25 4800 Napa lower Ritchey Creek.. 170 Comment
  JEPS115764  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  CHSC102298  Nicotiana quadrivalvis Lowell Ahart 2009-10-12 16454 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD38861  Nicotiana quadrivalvis Beecher Crampton 1962-10-9 6700 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  UC419774  Nicotiana quadrivalvis Mrs. H. P. Bracelin 1930-10-19 112 Napa near Conn Creek entrance (Sage Canyon); Sage Canyon Comment
  RSA0066529  Orobanche fasciculata Gilbert Muth 1967-5-17 688 Napa Maple Springs. 609 Comment
  POM15659  Orthocarpus attenuatus C. F. Baker 1903-4-19 1993 Napa Calistoga. Comment
  RSA31988  Orthocarpus densiflorus A. A. Heller 1941-5-17 16136 Napa 2 miles north of Windsor on US Highway 101. Comment
  POM43749  Orthocarpus faucibarbatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA32034  Orthocarpus lithospermoides var. bicolor A. A. Heller 1941-5-16 16131 Napa About 3 miles west of Knoxville, on the road to Lower Lake. Comment
  JEPS43137  Oxalis W. L. Jepson 1936-6-2 17613 Napa hills to e Yountville; Napa Valley Comment
  JEPS122756  Oxalis incarnata Jake Ruygt 2003-5-17 4530 Napa Sarco Creek, SW corner of Foote Mt. George Preserve. Quad: Mt. George. Comment
  JEPS122734  Oxalis micrantha Jake Ruygt 1993-4-13 3206 Napa Yountville Ecological Reserve, Yountville Cross Road. Quad: Yountville. Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  CAS-BOT-BC316874  Packera eurycephala var. eurycephala Dennis E. Breedlove 1963-5-29 5061 Napa 4.5 miles north of Pope Valley Comment
  UC1234611  Packera eurycephala var. eurycephala Peter H. Raven 1962-5-31 17919 Napa 1.9 mi s Lake County line (on Lower Lake-Knoxville road) Comment
  UCD161314  Packera eurycephala var. eurycephala Jake Ruygt 1979-5-20 615 Napa Mt. St. Helena. (Coordinates estimated by label maker at UC Davis). 1036 Comment
  UC581701  Packera greenei Joseph P. Tracy 1933-6-2 12489 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 457 Comment
  UC761908  Packera greenei Robert F. Hoover 1941-6-8 5319 Napa e side Mount St. Helena Comment
  UCD134782  Packera greenei Jack Major 1961-6-13 546 Napa State Highway 128, 3.9 miles northwest of Moskowite's Corners. Comment
  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
  JEPS23636  Packera greenei R. H. Platt 1915-5-1 Napa Capell Canyon Napa Mts. Comment
  JEPS122967  Panicum acuminatum var. acuminatum Jake Ruygt 1998-6-20 4041 b Napa Near Onion Flat, Palisades trail from RLSSP. Quad: Detert Reservoir. Comment
  UC1103775  Panicum acuminatum var. acuminatum J. P. Tracy 1899-6-17 342 Napa 3-4 mi e Angwin's (La Jota plateau); Howell Mountain, head of Moore's Creek 518 Comment
  UC1023570  Panicum capillare Virginia Bufford 1936-9-20 436 Napa near Mineral Spring (Lower Lake, Knoxville Road); Lower Lake, Mineral Spring Comment
  UC1746158  Parvisedum pumilum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2759 Napa Howell Mtn. Road near Angwin Creek crossing. Comment
  UC540616  Parvisedum pumilum H. L. Mason 1935-5-31 Napa 3 mi s of Napa (near highway) Comment
  UCD88729  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  CAS-BOT-BC259732  Paspalum distichum Peter H. Raven 1951-9-9 3897 Napa Near Slaughterhouse Point, Napa River 0 Comment
  RSA195367  Pedicularis densiflora Gilbert Muth 1967-3-31 596 Napa Old Howell Mountain road. 457 Comment
  UCD123316  Pedicularis densiflora Chas. Heiser 1947-3-29 1889 Napa about 7 miles east of Napa. Comment
  CAS-BOT-BC69211  Pellaea andromedifolia John Thomas Howell 1926-3-21 1736 Napa Old toll road to Mt. St. Helena Comment
  UCD169612  Pellaea andromedifolia 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
  UCD47772  Pellaea andromedifolia Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 6 Napa Mclaughlin Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. Hillside ca. 150 m above the road, east of the calcium seep, on a west-facing slope, 50 m down from the crest of the hill. 426 Comment
  UCR196230  Pellaea andromedifolia Yumee Kim, L. Bachman, P. Lalbhai 2002-4-13 06 Napa McLaughlin UC Reserve. North of Berryessa-Knoxville Road, just southwest of the old town of Knoxville 427 Comment
  CAS-BOT-BC69209  Pellaea andromedifolia W. R. Dudley 1895-2-23 s.n. Napa Knights Valley Comment
  JEPS116555  Pellaea mucronata Jake Ruygt 2006-4-18 4992 Napa Bell Canyon, east side of Creek. Saint Helena 7.5' Quad. Comment
  UCD160780  Pellaea mucronata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8660 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
  UC726424  Penstemon newberryi var. sonomensis A. A. Heller 1941-5-3 16086 Napa Mt. St. Helena, about half way up along the road leading to the sumit Comment
  CAS-BOT-BC71674  Pentagramma triangularis subsp. triangularis Alice Eastwood 1922-5-4 11267 Napa Mt. St. Helena Comment
  JEPS60097  Pentagramma triangularis subsp. triangularis W. L. Jepson 1936-5-29 17552 Napa Adam and Eve Ridge Howell Mt Comment
  UCD48366  Pentagramma triangularis subsp. triangularis S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 7 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
  CAS-BOT-BC71675  Pentagramma triangularis subsp. triangularis Jean Fottrell 1906-7-1 s.n. Napa unspecified Comment
  UCD63189  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  JEPS129109  Perideridia oregana Jake Ruygt 2015-6-13 6128 Napa Fernandes - Snell Peak, Land Trust. Aetna Springs 7.5' Quad. Comment
  CHSC102519  Persicaria punctata Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD81815  Petrorhagia dubia Ellen Dean 2009-4-24 5442 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD73446  Petrorhagia prolifera 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
  UCR45092  Phacelia corymbosa L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-BC134011  Phacelia distans John H. Thomas 1955-5-21 5113 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS129067  Phacelia distans Jake Ruygt 2016-4-2 6170 Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD166687  Phacelia distans Jake Ruygt 1979-4-1 470 Napa Napa, top of Cup and Saucer. 134 Comment
  UC131126  Phacelia egena Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC723839  Phacelia imbricata Joseph Andorfer Ewan 1934-4-30 8848 Napa on Steel Canyon rd 5 mi s Monticello Comment
  JEPS2167  Phacelia imbricata subsp. imbricata W. L. Jepson 1897-5-2 21049 Napa e St. Helena Comment
  RSA10681  Phacelia imbricata subsp. imbricata Carl B. Wolf 1928-5-3 1806 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA582241  Phacelia imbricata subsp. imbricata Joseph A. Ewan 1934-4-30 8848 Napa Five miles south of Montebiello, on Steel Canyon Road. Comment
  CAS-BOT-BC265790  Phalaris aquatica T. H. Kearney 1951-6-16 s.n. Napa Along Vichy Road ca. 2 mi. from Napa Comment
  RSA128561  Phalaris aquatica P. H. Raven 1951-6-24 3034 Napa Napa; 30 Comment
  UCR49791  Phalaris aquatica J. Nevin 1987-5-22 34 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  UC187260  Phalaris caroliniana Joseph P. Tracy 1903-5-15 1851 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UC729981  Phalaris lemmonii Leo F. Koch 1940-4-24 850 Napa field w Cuttings Wharf Comment
  UCD164765  Phalaris lemmonii Jake Ruygt 2014-5-1 5936 Napa Soscol Creek vernal pools, easy of Hwy 221. 27 Comment
  JEPS110813  Phoradendron densum Jake Ruygt 1979-6-9 692 Napa .5 miles west of Berryessa-Knoxville Rd. on Devilshead Rd. 475 Comment
  UC639129  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  UC639128  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  UCD49303  Phoradendron leucarpum subsp. tomentosum K. Mogel; B. Pekin and M. Higley 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 800 ft. N of power lines along the road that leads N from the meadow; 50 ft. downslope of road. 320 Comment
  HSC15919  Phoradendron serotinum subsp. tomentosum Greg Bos 1963-3-30 54 Napa St. Helena Mtn., S slope 305 Comment
  UCD19928  Phyla nodiflora E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 784 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  JEPS110894  Phyla nodiflora var. rosea Jake Ruygt 1991-6-29 2754 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  UCD113675  Physocarpus capitatus B. Crampton 1956-5-25 3489 Napa Along creek bank, headwaters of Sarco Creek, Howell Mtns. Comment
  CDA12114  Pickeringia montana G. F. Hrusa 1989-5-2 7185 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  UCD108172  Pickeringia montana D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 Comment
  UCD15251  Pickeringia montana Ted Graber 1984-5-12 20 Napa along highway 128, 3 miles west of Moskowite corner. 243 Comment
  UCD161609  Pickeringia montana var. montana Jake Ruygt 1999-7-17 4207 Napa Red Hill, south side of Mt. St. Helena. 731 Comment
  CDA7597  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  JEPS103973  Pilularia americana Jake Ruygt 1990-4-23 2504 Napa Wild Horse Valley Ranch at vernal pool 472 Comment
  CAS-BOT-BC73374  Pinus attenuata Peter H. Raven 1951-8-21 3876 Napa Mt. Veeder 792 Comment
  SD27919  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  CAS-BOT-BC73375  Pinus attenuata Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5338 Napa Up a canyon, north side of Pope Creek between Samuels Springs and Walters Springs. 243 Comment
  CAS-BOT-BC73124  Pinus lambertiana John Thomas Howell 1926-10-3 2200 Napa Mt. St. Helena near the summit. Comment
  UC182  Pinus ponderosa Davy 1894-10-1 Napa spur of Mt. St. Helena Comment
  JEPS103995 Image available Pinus sabiniana Jake Ruygt 1979-4-23 540 Napa HWY 128, 1.8 miles east of Silverado Trail (Sage Canyon Rd 88 Comment
  JEPS46896  Pinus sabiniana W. L. Jepson 1906-12-1 Napa St. Helena Comment
  JEPS48212  Pinus sabiniana W. L. Jepson 1906-12-1 2626 Napa above Sanitarium; St. Helena Comment
  UCD118541  Pinus sabiniana Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD47758  Pinus sabiniana R. Blenkush 2000-4-22 16 Napa Northern Napa County, Mclaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  UCD47759  Pinus sabiniana R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 10 Napa Napa County, California. Mclaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 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
  CAS-BOT-BC228012  Plagiobothrys L. R. Abrams 1928-5-3 $ 12229 Napa St. Helena Grade Comment
  UC1158107  Plagiobothrys bracteatus Joseph P. Tracy 1950-5-23 18675 Napa head of creek 3 mi e Angwin's; Howell Mountain, La Jota Plateau, Moore's Creek 518 Comment
  UC55922  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1843 Napa near Calistoga (Napa Valley); Napa Valley 91 Comment
  UCD74374  Plagiobothrys bracteatus Jake Ruygt 2008-5-21 5339 Napa Near Wildlake Ranch, pond south of Walnut Flat. St. Helena. 664 Comment
  UCD120814  Plagiobothrys canescens H. Popenoe 1949-4-17 13 Napa 8 miles west of Winters. Comment
  UCD120817  Plagiobothrys canescens M. Wiesendanger 1927-5-4 675 Napa Near Monticello. Comment
  UCD74378  Plagiobothrys canescens Jake Ruygt 1982-4-7 1171 Napa Suscol ridge west of Hwy. 221. 24 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
  UCD161234  Plagiobothrys greenei Jake Ruygt 2003-4-22 4508 Napa Near south end of Knoxville Wildlife Area, base of trail to cliffs. (Coordinates estimated by label maker at UC Davis). 292 Comment
  SBBG115362  Plagiobothrys nothofulvus B. Crampton 1962-5-16 6426 Napa 1 mi E of Aetna Springs Comment
  UCD20918  Plagiobothrys nothofulvus V. (Shorty) Boucher 2002-3-27 9 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. Comment
  UCD161690  Plagiobothrys nothofulvus Jake Ruygt 2010-3-9 5482 Napa Lovell Valley Loop Road about 0.5 mile south of Napa / Sonoma line. 185 Comment
  UCD23371  Plagiobothrys nothofulvus Susan J. Schmickle 1977-4-24 19 Napa Fuzzy white flowers. East side of steep road out, gravel, full sun. Foothill woodland merging to chaparral. 2.6 miles southeast of Knoxville Mine on Berryessa Knoxville Rd. 320 Comment
  UCD23372  Plagiobothrys nothofulvus Rebecca L. Moehlmann 1977-4-16 16 Napa White flowers, pentamerous, pubescent. Foothill woodland with blue oak, live oak and digger pine. Beside Hwy 128, 6.4 miles southwest of Monticello Dam, roadside. Wragg Canyon. 198 Comment
  UCD21504  Plagiobothrys stipitatus var. micranthus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4406 Napa Quail Ridge Reserve. 262 Comment
  UCD161578  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2007-5-5 5165 Napa Walnut Flat, near Wild Lake. 630 Comment
  CAS-BOT-BC228495  Plagiobothrys strictus Alice Eastwood 1900-5-7 s.n. Napa Calistoga Comment
  JEPS24591  Plagiobothrys strictus E. L. Greene 1892-4-20 Napa Calistoga; about sulphur springs Comment
  JEPS24975  Plagiobothrys strictus W. L. Jepson 1893-5-2 Napa Calistoga Comment
  JEPS106761  Plagiobothrys tenellus Jake Ruygt 1982-3-22 1143 Napa Kreuze Canyon 381 Comment
  JEPS41076  Plagiobothrys tener var. subglaber Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9101 Napa ca 7 mi se Knoxville (at head of Devilhead Road, at center of Cedar Valley); Cedar Valley 579 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
  UC540405  Plantago erecta Ira L. Wiggins 1928-3-24 2867 Napa above Calistoga (grade on old road to Lake Co.) Comment
  UC585997  Plantago erecta Joseph P. Tracy 1933-4-30 12086 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  UCD168560  Plantago erecta Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD38572  Plantago erecta Beecher Crampton 1956-5-25 3466 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD15036  Plantago erecta Rebecca L. Moehlmann 1977-4-16 12 Napa California, Napa Co. : Wragg Canyon, along the east side of Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam. 182 Comment
  UCD167241  Plantago erecta Jake Ruygt 1979-4-23 548 Napa 3.7 miles northeast of middle Road on Pope Canyon Road. 188 Comment
  UCD15037  Plantago hookeriana Lorraine Clarke 1977-4-16 14 Napa California, Napa Co.; along Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam; Comment
  CAS-BOT-BC91869  Platystemon californicus Peter H. Raven 1953-4-2 5235 Napa Imola. 60 Comment
  HSC58979  Platystemon californicus G. E. Johnston 1974-4-4 1022 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS51578  Platystemon californicus W. L. Jepson 1915-4-23 6240 Napa St. Helena Comment
  JEPS4802  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  JEPS6145  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4444 Napa Conn Canyon Reservoir 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
  RSA261550  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Montcello Dam, off State Hwy 128. Comment
  UCD117933  Plectritis congesta subsp. brachystemon Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of the fire station along undeveloped road. 519 Comment
  JEPS4814  Plectritis macrocera Miss R. Kuhn 1912-5-6 Napa Oakville Comment
  OBI8696  Plectritis magna Bacigalupi & Dempster, Dempster 1954-5-10 4444 Napa Conn Cyn Reservoir Comment
  SEINET209300 Image available Pleuropogon californicus var. californicus J. T. Howell 1967-5-18 42245 Napa Roadside hollow at the 'big geysers' north of Calistoga. Comment
  UCD90195  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC244370  Poa annua Peter H. Raven 1950-4-15 1705 Napa Along streets, Napa 9 Comment
  SACT001791  Poa annua John Willoughby 1979-5-25 Napa On moist or now dry margins of stock pond. About 1 mile south of Signal Hill just below and to the west of Blue Ridge. 609.6 Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 Comment
  UC1103792  Poa howellii Joseph P. Tracy 1899-6-18 349 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  UCD91104  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  CAS-BOT-BC246847  Poa napensis John Thomas Howell 1967-5-18 42244 Napa North of Calistoga Comment
  CAS-BOT-BC246848  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  SBBG115661  Poa napensis B. Crampton 1955-5-9 2750 Napa ca. 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  UCD37942  Poa napensis Beecher Crampton 1962-5-8 6418 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  NY431291  Poa napensis A. A. Beetle 1946-5-7 4256 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET4455613  Poa napensis A. A. Beetle 1946-1 Napa Comment
  CAS-BOT-BC255949  Poa pratensis Peter H. Raven 1951-5-26 2890 Napa Howell Mtn. above Pope Valley 304 Comment
  JEPS122911  Poa pratensis Jake Ruygt 2002-5-18 4422 Napa Missimer/Snell Valley Wildflower Preserve. Quad: Aetna Springs. Comment
  JEPS122926  Poa pratensis subsp. pratensis Jake Ruygt 1990-5-6 2531 b Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  SACT002005  Poa scabrella John Willoughby 1977-4-27 Napa Along State Highway 128 very near Monticello Dam, north-facing, rocky slope on south side of highway. Comment
  CDA10885  Poa secunda G. F. Hrusa, M. Rejmanek 1993-5-15 10980 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD17976  Poa secunda Ellen Dean; with Plant Biology 102 class 2001-4-14 701 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
  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
  UCD90836  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7332 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  UCD92112  Poa secunda subsp. secunda M. Wiesendanger 1927-5-4 696 Napa Monticello, Napa Road. Comment
  JEPS62444  Pogogyne douglasii W. L. Jepson 1896-6-2 14902 Napa St. Helena Comment
  SDSU22047  Pogogyne douglasii Ellen Dean, Jake Ruygt 2015-5-23 8760 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  UC1239670  Pogogyne douglasii Joseph P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 Comment
  UC1988909  Pogogyne douglasii John Thomas Howell 1929-5-30 4278 Napa 3 miles from Pope Valley on road to Pope Creek Canyon Comment
  JEPS62429  Pogogyne douglasii W. L. Jepson 1938-6-8 18898 Napa Playa Snell Valley Comment
  UC1988917  Pogogyne douglasii Alice Eastwood and John Thomas Howell 1939-6-11 Napa near Calistoga Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  UCD98414  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  RSA292917  Polygala californica Reino Alava 1957-5-30 987 Napa 4.2 miles (four and 2 tenths of a mile) north of the junction of Highways 37 and 128, on State Highway 128. Comment
  SEINET12205441  Polygala californica F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -329 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET741773  Polygala californica M. F. Wojciechowski, K. P. Steele 2000-5-20 888 Napa Along CA highway 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  JEPS50531  Polygonum amphibium var. emersum Willis L. Jepson 1894-11-8 Napa Napa City Napa River Basin Comment
  JEPS110850  Polygonum arenastrum Jake Ruygt 1989-7-18 2400 Napa Willis Drive, Napa 15 Comment
  JEPS51314  Polygonum aviculare subsp. aviculare Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UC1562686  Polygonum aviculare subsp. depressum Barbara Ertter with Elizabeth Neese 1988-10-2 7971 Napa ca 15 air mi nnw Napa (e of boat-launching ramp on se edge); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  CAS-BOT-BC109161  Polygonum bolanderi C. G. Pringle 1882-10-9 s.n. Napa Napa Hills. Comment
  JEPS50584  Polygonum bolanderi Willis L. Jepson Nov 26 1895-Nov 27 1895 14792 Napa Howell Mt. Napa River Basin, La Jota Plateau Comment
  JEPS50597  Polygonum californicum W. L. Jepson Sept. 1893 14799 Napa Napa Valley Comment
  JEPS112593  Polygonum hydropiperoides Jake Ruygt 1991-7-20 2771 Napa Lake Orville, Friesen's Lakes, Angwin 563 Comment
  UC55944  Polygonum parryi J. P. Tracy 1902-5-19 1550 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  JEPS50655  Polygonum punctatum Willis L. Jepson 1893-9-24 14801 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UC126475  Polygonum punctatum Harley P. Chandler Sep 7 1906-Sep 14 1906 7110 Napa Alta Loma Ranch Howell Mountain 487 Comment
  OBI10872  Polygonum spergulariiforme Robert F. Hoover 1966-8-23 9920 Napa E side of Mt St Helena Comment
  UCD136973  Polypodium calirhiza D. H. Hartmann 1942-3-7 s.n. Napa Green Valley. Comment
  CAS-BOT-BC237256  Polypogon monspeliensis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs Comment
  JEPS75639  Polypogon monspeliensis W. L. Jepson 1936-5-30 17557 Napa Napa Valley Rutherford; Napa Valley Comment
  UCD91281  Polypogon monspeliensis Beecher Crampton 1956-5-25 3467 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UC1242055  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  JEPS116550  Polystichum munitum Jake Ruygt 2005-5-21 4860 Napa Marie Creek where it enters Skyline Park. Mount George 7.5' Quad. Comment
  CHSC102296  Portulaca oleracea Lowell Ahart 2009-10-12 16472 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UC184618  Proboscidea louisianica subsp. louisianica H. J. Baade 1915-9-28 Napa Napa Comment
  CAS-BOT-BC154918  Prunus ilicifolia Peter H. Raven 1953-3-29 52134 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC151176  Prunus subcordata W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  JEPS44957  Prunus subcordata Willis L. Jepson 1893-4-24 14362 Napa e of St. Helena (Napa River, Park Hill Bridge); Napa River Basin, Napa River, Park Hill Bridge Comment
  JEPS110647  Prunus virginiana var. demissa Jake Ruygt 2002-5-6 4414 Napa Monticello Road near Circle Oaks 350 Comment
  POM139938  Prunus virginiana var. demissa Alice Eastwood 1922-5-5 11295 Napa Mount St. Helena. Comment
  UC12726  Prunus virginiana var. demissa Willis L. Jepson 1894-4-30 Napa Napa River Basin, Rebecca Ranch grade Rebecca Ranch grade; Napa River Basin, Rebecca Ranch grade Comment
  JEPS106911  Pseudognaphalium microcephalum Jake Ruygt 1988-8-14 2228 Napa Adams Ridge, Adams Creek area 548 Comment
  POM21753  Pseudotsuga menziesii D. O. Hunt 1899-2-26 s.n. Napa Glass Mountain, St. Helena. Comment
  SEINET265709  Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS106884  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1983-5-13 1461 Napa Suscol ridge east of HWY 29(221) 27 Comment
  JEPS129114  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2015-5-6 6090 Napa East side of Highway 221, south of Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC361891  Psilocarphus tenellus Peter H. Raven 1950-5-6 2030 Napa Along Rt. 28, Calistoga 60 Comment
  UCD117072  Ptelea crenulata Cherry Kline 1964-5-8 72 Napa State Highway 128, between Monticello Dam and junction with State Highway 37, 3 miles SW of Monticello Dam. Comment
  CAS-BOT-BC72604  Pteridium aquilinum Jean Fottrell 1906-7-1 s.n. Napa Napa Comment
  CAS-BOT-BC72605  Pteridium aquilinum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, Mt. Veeder Comment
  CAS-BOT-BC421125  Pterostegia drymarioides David D. Keck 1931-4-2 1024 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE. of Napa 170 Comment
  UCD63164  Pyrrocoma racemosa var. racemosa Jake Ruygt 1996-7-13 3767 b Napa Soda Spring, east of Soda Valley; White Cliff Springs. 350 Comment
  CDA11153  Quercus X chasei G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11564 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  CDA11895  Quercus X chasei G. F. Hrusa, G. L. Stebbins 1994-4-8 11725 Napa North Coast Biodiversity Arena; Large tree along road at Aetna Springs resort. Comment
  JEPS116571  Quercus X chasei Jake Ruygt 1982-3-22 1141 Napa Sugarloaf Mountain near Skyline Park. 7.5' Mount George Quad. Comment
  JEPS77932  Quercus X morehus Edward Lee 1935-12-1 1677 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  JEPS77933  Quercus X morehus Edward Lee 1935-12-1 1678 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  POM262790  Quercus X morehus J. C. Roos 1939-4-16 281 Napa Angwin, Howell Mtn. Comment
  UC1010753  Quercus X morehus Peter H. Raven 1951-6-26 3086 Napa Cappell Valley to Wooden Vallen 304 Comment
  UCR88371  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa Quail Ridge Reserve, near Lake Berryessa. 146 Comment
  CAS-BOT-BC61807  Quercus agrifolia M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  JEPS37366  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa near St. Helena; Napa River Basin Comment
  UCD149630  Quercus agrifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Chiles Valley summit, [near] 128. Comment
  UCD45050  Quercus agrifolia David Lawfer 1952-3-30 140 Napa Pasture, Napa, Napa County, California. Comment
  SFV878  Quercus berberidifolia M. Shaw 1963-5-13 s. n. Napa North Coast Ranges Vaca Mountains. Below CA-Highway 128, 4 miles west of Monticello Dam. 120 Comment
  UCD45211  Quercus berberidifolia Thomas Morley 1941-5-11 126 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena 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
  UCD120918  Quercus chrysolepis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7339 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
  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
  UCD45536  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley Creek. 350 Comment
  CAS-BOT-BC85938  Quercus douglasii M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles NE Cliff Spring Comment
  JEPS116541  Quercus douglasii Jake Ruygt 1996-5-4 3644 Napa Butts Canyon Road at James Creek Road; field to SE. Aetna Springs 7.5' Quad. Comment
  UC993144  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UC993148  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UC993149  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
  UC993150  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD121176  Quercus douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7356 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  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
  UCD45634  Quercus douglasii J. M. Tucker 1965-5-2 3824 Napa East side of road along summit of Blue Ridge, 0.1 mile northwest of summit of Mix Canyon Road, Napa County, California. Elevation 2700 feet. 822 Comment
  UCD45638  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  CLARK-A1528-2918  Quercus douglasii John C. Roos 1939-3-27 280 Napa Angwin Comment
  JEPS46658  Quercus dumosa W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  CAS-BOT-BC79838  Quercus durata C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CDA21881  Quercus durata State Employee 1957-11-13 Napa Knoxville. 0 Comment
  RSA624178  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2007 -24 Napa Beside road up Howell Mountian, 5.6 mi. north of St. Helena. Comment
  SD225777  Quercus durata John M. Tucker 1950-11-12 2014 26 Napa Highway 28, 7.7 mi. (by road) west of junction with Highway 37; southeast-facing hillslope above Sage Creek; Comment
  UC762345  Quercus durata R. F. Hoover 1940-8-25 4542 Napa e side Mt. St. Helena Comment
  UCD14826  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -22 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14842  Quercus durata John M. Tucker 1950-11-12 2014 -20 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD148823  Quercus durata Ellen Dean; Diana Hickson 2014-4-29 8128 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD45971  Quercus durata D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  UCR106782  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -14 Napa below Conn Valley Dam, hillside across creek from picnic area Comment
  SBBG25324  Quercus durata var. durata B. Rice 1965-5-15 68 Napa Devilshead Rd, 5 mi N of Cedar Valley 487 Comment
  UCD15986  Quercus durata var. durata C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 3 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11.3'' N; 122 deg. 21' 13.4'' W; 530 m. Comment
  SFV17797  Quercus garryana J. M. Tucker 1950-11-5 2005 5 Napa Yard on outskirts of Angwin on Howell Mountain. Comment
  UCD14956  Quercus garryana var. garryana John M. Tucker 1976-10-24 4380 Napa California, Napa Co.; beside Wall Road, 1.3 mi. north of Dry Creek Road and 7.1 mi. (by road) southwest of Oakville; Comment
  CDA29134  Quercus kelloggii D. G. Kelch, Daniel Weinstein 2009-6-21 9 .445 Napa Near Skyline Park. Comment
  JEPS37754  Quercus kelloggii W. L. Jepson 1896-2-22 14829 Napa Howell Mt. Comment
  POM270252  Quercus kelloggii Lyman Benson 1931-2-26 2602 Napa Southern base of Mt. St. Helena, north of Calistoga, Mayacamas mt. range, Napa watershed. 213 Comment
  UC5616  Quercus kelloggii unknown 1860-1 1888 Napa Mt. Helena Comment
  UCD46655  Quercus kelloggii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCSB19168  Quercus kelloggii Rankine, Jane 1965-4-13 Napa 3 miles west of Pope Valley on the road between Pope Valley and Anqwin Comment
  SEINET5644360  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. St. Helena, 0.4 miles over the north side from the summit of the road (State Highway 29).; 0 Comment
  CAS-BOT-BC62877  Quercus lobata Peter H. Raven 1952-8-28 5159 Napa Near Napa Soda Springs 228 Comment
  CAS-BOT-BC62881  Quercus lobata John Thomas Howell 1933-8-27 11630 Napa Sage canyon, Napa Range Comment
  UCD83400  Quercus lobata Jake Ruygt 1996-5-4 3643 Napa Butts Canyon Rd. at James Creek Rd.; field to SE. 210 Comment
  CLARK-A1528-2901  Quercus lobata John C. Roos 1939-3-27 282 Napa Angwin Comment
  CAS-BOT-BC104839  Quercus wislizeni G. F. Ferris 1920-10-1 s.n. Napa Napa Comment
  UCD73447  Quercus wislizeni 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
  JEPS106867  Rafinesquia californica Jake Ruygt 1980-5-13 882 Napa 3.0 miles S of Oakville Grade on Dry Creek Rd. 152 Comment
  UCD159906  Rafinesquia californica Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section, near Q58. 243 Comment
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale 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
  UC9417  Ranunculus californicus Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  UCD95959  Ranunculus californicus David Lawfer 1952-3-15 119 Napa Napa. Comment
  CAS-BOT-BC378484  Ranunculus californicus var. californicus Gilbert Muth 1967-4-9 616 Napa Oat Hill 548 Comment
  SEINET5718557 Image available Ranunculus canus Shirley C. Tucker 1964-1 6092 B Napa Route 138, 4 miles east of Moscovitz Corner.; Moscovitz Corner Comment
  UC9460  Ranunculus lobbii Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin, upper Napa Valley Comment
  JEPS84650  Ranunculus muricatus John W. Willoughby 1979-5-25 4300 Napa about 1 mi s Signal Hill (just below and to w of Blue Ridge, below stock pond); Vaca Mountains, Pansy Flat 609 Comment
  UCD159791  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  POM268844  Ranunculus occidentalis var. eisenii L. R. Abrams 1928-5-3 12253 Napa Summit St. Helena Grade Comment
  UC162832  Ranunculus orthorhynchus var. bloomeri Joseph P. Tracy 1903-5-15 1846 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  SEINET8889133 Image available Raphanus raphanistrum Alex Lasseigne 2003-1 13722 Napa vicinity of empty field near Marina, on Hwy 37 to Napa Valley. Comment
  JEPS25884  Reseda lutea Alice King July, 1919 Napa Van Ness ranch Mt. St. Helena region Comment
  UCD54552  Reseda luteola Ellen Dean 2005-10-12 2740 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC362894  Rhagadiolus stellatus John Thomas Howell 1980-5-15 53451 Napa Oakville Grade sw. of Oakville 152 Comment
  CDA42397  Rhagadiolus stellatus R. Robison 2014-4-21 s.n. Napa Bale Gristmill State Historic Park. 0 Comment
  UCD135425  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville. Comment
  UC725829  Rhamnus californica A. A. Heller 1940-6-13 15738 Napa e side Mt. St. Helena (on the road leading to the summit, just above the trail leading down to the Stevenson Tablet) Comment
  UCD41401  Rhamnus ilicifolia Ellen Dean; M. Bibbo, T. Pitman, and A. Douglas 2004-5-1 2015 Napa McLaughlin UC Reserve or just south of it. Along Knoxville-Berryessa Road, 1 road mile south of the gate/road to old town of Knoxville site. East side of road. 353 Comment
  JEPS760  Rhamnus tomentella subsp. tomentella W. L. Jepson 1916-8-7 6839 Napa Moore's Creek Howell Mt. Comment
  CAS-BOT-BC199723  Rhododendron occidentale H. E. McMinn 297 Napa About 6 mi. above Aetna Comment
  JEPS106405  Rhododendron occidentale Jake Ruygt 1976-4-23 25 Napa 3.6 miles north of Ink Grade on Butts Canyon Rd. 243 Comment
  JEPS127861  Rhododendron occidentale Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 624 Napa North side of Knoxville-Devilhead Road Comment
  JEPS58750  Rhododendron occidentale W. L. Jepson 1897-7-13 14672 Napa Butts Canyon, near Napa Co. Comment
  UCD20692  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 4 Napa Napa County, NE side of Butts Canyon Rd. along SW and NE side of Butts Creek, 250 ft. east of Napa, 20.14 marker. Bulk of population is 330 ft. west of Napa 20.14 marker, continuous to Lake Co. Plants within 20' of water. Comment
  UCSB4808  Rhododendron occidentale Keator, Glenn 1959-3-28 Napa About 1/4 mile above Conn's picnic grounds near Lake Hennessey, Napa Range Comment
  CDA38891  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd. along both sides of Butts Creek. Lake County line to 500' southeast of county line, predominately on southwest bank, a few on northeast bank. 0 Comment
  SEINET6165491 Image available Rhododendron occidentale Unknown 1981-5-18 s.n. Napa 9.9 mi S of middleton, down Butts Canyon Rd. Comment
  CAS-BOT-BC168115  Rhus aromatica Elizabeth Wright 1923-3-20 s.n. Napa Capell Cr. between St. Helena & Putah Cr. Canyon Comment
  CAS-BOT-BC200647  Rhus aromatica John Thomas Howell 1929-5-30 4266 Napa Bank of Pope Valley Creek, 4 miles east of Samuels Springs, Napa Range Comment
  CAS-BOT-BC200648  Rhus aromatica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CHSC21426  Rhus aromatica Robert A. Schlising; Botany 222 1962-5-4 2227 Napa 1.5 mi S Lake Co line on Butts Canyon Rd. Comment
  OBI20447  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pojse Creek Canyon Comment
  JEPS49319  Ribes californicum Willis L. Jepson 1893-5-2 13511 Napa Mts. e Calistoga (Pope Valley grade) Comment
  RSA0021660  Ribes malvaceum Peter H. Raven 1950-4-15 1770 Napa Wooden Valley Grade above Napa. 457 Comment
  CAS-BOT-BC205998  Ribes menziesii Elsa G. Ruckert 1960-3-13 24 Napa Private road behind east of house, 6495 Dry Creek Road 365 Comment
  POM261634  Ribes victoris J. T. Howell 1940-5-19 s.n. Napa Upper St. Helena Creek. Comment
  CHSC59949  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley. Comment
  JEPS106905  Rigiopappus leptocladus Jake Ruygt 1981-5-21 1039 Napa ridge west of Putah Creek, north of Snell Valley 231 Comment
  UCD18064  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 619 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
  UCD18103  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 612 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
  UCD32572  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD38692  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  UCR146399  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa Inner North Coast Ranges, 8 miles southwest of Monticello, along highway 128 305 Comment
  JEPS34919  Rigiopappus leptocladus W. L. Jepson 1938-5-18 18792 Napa slope above St. Helena Sanitarium; Howell Mountains Comment
  CAS-BOT-BC74596  Rorippa curvisiliqua Peter H. Raven 1952-5-31 4112 Napa Conn Creek east of Yountville. 45 Comment
  UCD74397  Rorippa curvisiliqua Jake Ruygt 1986-5-19 1779 Napa Napa River at confluence of Tulocay Cr. 1 Comment
  UCD74396  Rorippa palustris subsp. palustris Jake Ruygt 1990-5-5 2524 Napa Johnson's meadow, Wild Horse Valley Ranch. 420 Comment
  CAS-BOT-BC147534  Rosa californica Alice Eastwood 1915-6-5 4645 Napa Calistoga Comment
  UC126646  Rosa californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7115 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS45681  Rosa gymnocarpa W. L. Jepson 1896-2-23 13892 Napa on grade beyond Angwins (e side of mt.); Howell Mt., Pope Valley Grade Comment
  JEPS112568  Rosa spithamea Jake Ruygt 1989-5-20 2338 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 798 Comment
  UCD17673  Rubus H. Olmo; T. S. Mallah 1953-4-3 53 35 Napa California. Napa County: near Redwood Lodge, along road south of Calistoga. Growing in wet, swampy ground. Comment
  UCD17701  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 78 Napa California. Napa County: north of Redwood Lodge on Highway 128. Comment
  UCD113843  Rubus parviflorus K. Esau 1920-4-19 s.n. Napa Calistoga. Comment
  CAS-BOT-BC156915  Rubus ursinus Greg de Nevers 2001-7-8 12559 Napa Clear Lake, Lake County Land Trust, Rodman Slough 475 Comment
  CAS-BOT-BC110482  Rumex Saichi Kawahara 1968-4-20 356 Napa Pope Valley-Angwin Road, 2 miles southwest of Pope Valley. 499 Comment
  UCD101004  Rumex acetosella Mary Lou Douglass 1976-4-24 29 Napa Atlas Peak Road. P.M. 4.5 from Rt 121. Comment
  JEPS120317  Rumex californicus Jake Ruygt 1990-5-12 2544 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  CHSC102269  Rumex fueginus Lowell Ahart 2009-10-12 16428 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CDA34676  Rumex maritimus L. Ahart 2009-10-27 16493 Napa Below high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. Comment
  CAS-BOT-BC433758  Rumex pulcher Peter H. Raven 1952-5-31 4099 Napa Yountville 30 Comment
  CDA19126  Ruppia maritima D. Dannenberg 2001-6-14 PDR 1103335 Napa N side of American Canyon Dump at end of Eucalyptus Dr. 0 Comment
  UCD149605  Sagina apetala Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC108660  Salix breweri David D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  LA208565  Salix breweri David D. Keck; 1931-4-3 1075 Napa 5 mi. NE of Aetna Springs, along Butts Creek Comment
  UCD102771  Salix breweri Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
Read comments
Jul 22 2018
  UCD148846  Salix breweri Ellen Dean; Diana Hickson 2014-4-29 8149 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 462 Comment
  UCD164792  Salix breweri Jake Ruygt 1994-3-5 3406 Napa Hunting Creek. 280 Comment
  POM202754  Salix exigua I. L. Wiggins 1932-3-12 5756 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  RSA92782  Salix exigua Peter H. Raven 1952-5-31 4109 Napa Strand of Conn Creek. E of Yountville. 46 Comment
  UCD164793  Salix exigua var. hindsiana Jake Ruygt 1979-3-13 452 Napa Trefethen Vineyards at Dry Creek. 22 Comment
  CAS-BOT-BC108199  Salix hindsiana Peter H. Raven 1951-6-26 3045 Napa Sarco Ck. E of Napa 60 Comment
  UC5024  Salix laevigata Willis L. Jepson 1893-5-8 Napa beyond Angwin's Howell Mt. Comment
  CAS-BOT-BC539356  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscvol Creek at Hwy 29 19 Comment
  UCD164804  Salix laevigata Jake Ruygt 1995-3-17 3407 Napa Silverado Trail east of Souza land, Napa. 3 Comment
  CAS-BOT-BC107048  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 19 Napa One mile northwest of Calistoga Comment
  CDA21155  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 C Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  CHSC20623  Salix lasiolepis Carol C. Getzinger 1964-3-24 16 Napa Junction of Redwood Road and Brown's Valley Road. 152 Comment
  POM220467  Salix lasiolepis Carleton R. Ball, Harold E. Parks 1931-2-17 17 -b Napa 1 mile NW of Calistoga. Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC482323  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 19 Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UC519392  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  UCD164810  Salix lasiolepis Jake Ruygt 1993-2-19 3164 Napa Along access road to Fagan Slough, Napa County Airport. 7 Comment
  CAS-BOT-BC124416  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Dry Creek Road, approximately 15 miles from Napa Comment
  CAS-BOT-BC176909  Salsola tragus Peter H. Raven 1952-9-14 5186 Napa Napa State Game Farm 121 Comment
  RSA785730  Salvia columbariae Carrie A. Herd 1982-5-9 93 Napa Trinity, Dry Creek Road, 0.5 mi. E. of Mt. Veeder Rd. Comment
  JEPS62780  Salvia sonomensis W. L. Jepson 1943-5-15 20786 Napa Knoxville Ridge Comment
  UC25738  Salvia sonomensis E. L. Greene 1892-4-20 Napa Calistoga 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
  POM180781  Sanguisorba minor J. T. Howell 1930-7-13 5366 Napa Upper Napa Valley Comment
  RSA92950  Sanguisorba minor Peter H. Raven 1951-6-26 3050 Napa E of Napa on Monticello Rd. 61 Comment
  SEINET7073054  Sanicula bipinnata A. G. Vestal 1963-4-8 s.n. Napa Weedy flat on Route 128 about 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD27. Comment
  POM117092  Sanicula bipinnatifida Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD128014  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCD48517  Sanicula bipinnatifida C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 17 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 300 ft. N of creek, 160 ft. NE of small dry creek bed. 167 Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  UC1022487  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X339 Napa about 9 mi e of Pope Valley (on the road to Monticello, along Pope Creek); Pope Creek Comment
  UCD117806  Sanicula crassicaulis Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In field on south side of road. 519 Comment
  UCD147534  Sanicula crassicaulis Ellen Dean; Diana Hickson 2014-4-29 8088 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  POM133566  Sanicula tuberosa C. F. Baker 1903-4-20 10173 Napa Mt. St. Helena. Comment
  CAS-BOT-BC94882  Saxifraga californica R. C. Wenk 2006-4-30 438 Napa Robert Louis Stevenson S.P., trail E from Hwy 29 parking lot for trail to Mt. St. Helena, 0.5 mi from lot on left side Comment
  JEPS43520  Saxifraga californica Willis L. Jepson 1893-5-2 13478 Napa summit of New Pope Valley Grade (at Pinnacles Calistoga); Napa River Basin, New Pope Valley Grade Comment
  UC614598  Saxifraga californica L. Constance 1938-3-27 2042 Napa 8 mi ne of Napa (above Wooden Valley, e slope of Howell Mountain); North Coast Ranges, Howell Mountain 457 Comment
  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
  UCD50087  Schoenoplectus acutus var. occidentalis R. Tofsrud 1947-5-3 s.n. Napa Pope Creek. Comment
  CAS-BOT-BC111446  Schoenoplectus californicus Peter Raven 1951-9-9 3901 Napa Slaugterhouse Pt., Napa River 0 Comment
  SEINET9291159  Schoenoplectus fluviatilis Unknown 1995-4-10 12061 Napa Napa Comment
  JEPS121364  Scirpus fluviatilis Jake Ruygt 1991-7-20 2795 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa - Knoxville R. Comment
  CAS-BOT-BC240026  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  SEINET203031 Image available Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota PLateau, Howell Mountain; on hills at head of Moore's Creek 3-4 miles east of Angwin's 518 Comment
  SEINET10602606  Scribneria bolanderi John Thomas Howell 1940-5-19 Howell 15464 Napa Upper St. Helena Creek. Comment
  RSA0054926  Scrophularia californica Keith E. Hoffmaster 1946-3-9 1252 Napa Napa-Monticello road. Comment
  SEINET9303026  Scutellaria californica Ellen Dean, Bibbo, Mark 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berrysea, just W of Monticello Dam. South Decker Canyon Rd, just S of jct with Cut Off Rd. Shady drainage with Quercus douglasii, Quercus wislizeni, and Symphoricarpos. Comment
  UCSB5845  Scutellaria californica Keator, Glenn 1958-6-16 Napa Just east of Lake Hennessy; Napa range Comment
  UCD160790  Scutellaria siphocampyloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8670 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  JEPS129095  Scutellaria tuberosa Jake Ruygt 2016-4-26 6208 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC417000  Sedella pumila John Thomas Howell 1926-3-27 757 A Napa Myrtledale Hot Springs near Calistoga Comment
  RSA201806  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa Just N of Soscol House restaurant, ca. 2 miles S of Napa State Hospital, State Hwy 29. 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
  UCD164819  Selaginella wallacei Jake Ruygt 2013-6-10 5913 Napa Archer Taylor Preserve, Devil's Canyon. 487 Comment
  UCD135756  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa south of road, summit of Oakvillegrade Road. Around 4 miles southwest of Oakville. Comment
  CAS-BOT-BC364214  Senecio sylvaticus Baker 1938-5-4 8972 Napa Levee at Cutting Wharf Comment
  CDA11136  Senecio vulgaris G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11826 Napa North Coast Biodiversity Arena; Mt. George Comment
  CAS-BOT-BC85776  Sequoia sempervirens Peter H. Raven 1951-6-26 3071 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC85825  Sequoia sempervirens Peter H. Raven 1964-5-9 19072 Napa Grove along dirt road 2 miles west of Aetna Springs Comment
  SBBG100017  Sidalcea diploscypha B. Ertter, A. Carter 1989-5-28 8500 Napa Berryessa-Knoxville Rd N of Lake Berryessa, 4.7 mi S of Knoxville tunnel, along Eticuera Crk 304 Comment
  JEPS97957  Sidalcea diploscypha K. Andreasen 1998-6-27 273 Napa at crossing of road and Moore Creek just E of 4-H camp Las Posadas State Forest Comment
  JEPS110706  Sidalcea hartwegii Jake Ruygt 1985-5-18 1595 Napa west of Veteran's Home toward L. Hinman 182 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
  JEPS110725 Image available Sidalcea hickmanii subsp. napensis Jake Ruygt 1992-5-15 2959 Napa west of Leoma Lakes at base of Mt. George 420 Comment
  UCD167291  Sidalcea hirsuta Jake Ruygt 2007-5-10 5171 Napa G.I. Landfill site, Butts Canyon Road about 3 miles south of Middletown. 335 Comment
  RSA537732  Sidalcea keckii Barbara Ertter, Annetta Carter 1989-5-28 8500 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
Read comments
Apr 29 2008
  UCD170376  Sidalcea keckii Daniel Potter; N Khuu 2016-5-8 873 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, just west of tributary to Nevada Creek. 281 Comment
  UC161053  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  CAS-BOT-BC384429  Silene coronaria Peter H. Raven 1952-5-26 4032 Napa St. Helena to Howell Mt. 91 Comment
  UCD37323  Silene laciniata subsp. californica Beecher Crampton 1959-5-26 5260 Napa Napa County, north end of Capell Valley, Capell Creek. Comment
  JEPS106854  Silene verecunda subsp. platyota Jake Ruygt 1982-5-15 1254 Napa Buzzard's Roost east od Stag's Leap 609 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
  UCD138856  Sisyrinchium bellum Unknown Collector 1935-5-5 s.n. Napa Calistoga, near Petrified Forest. Comment
  UCD170815  Sisyrinchium bellum 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail), in meadow on the west side of Maxwell Creek. 166 Comment
  UCD13201  Sisyrinchium bellum Charles Martin 1986-4-20 2 Napa California: Napa Co. 3 mi W of Monticello Dam, along hwy 128. Elev. ca. 1000 ft. 304 Comment
  UCD138805  Sisyrinchium bellum Alan P. Godlewski 1974-5-3 s.n. Napa on a north slope, west of Lake Berryessa 50 yards from Highway 128. Comment
  CAS-BOT-BC34694  Solanum lycopersicum P. H. Raven 1942-9-14 5170 Napa Road 1.5 mi. NE of Yountville 121 Comment
  JEPS110747  Solanum rostratum Jake Ruygt 1996-9-14 3785 Napa 1.9 miles north of Sage Canyon Road on Lower Chiles Valley R 298 Comment
  UCD169858  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa About 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  NY820561  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa In the Howell Mountains, 5 miles east of Napa, North Coast Ranges 457 Comment
  UC565385  Solanum umbelliferum M. Elsie Osgood 1937-4-19 Napa hill 7 mi e of Napa (on the road to Monticello) Comment
  SEINET12329995  Solanum xanti var. intermedium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -308 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  CAS-BOT-BC365372  Solidago elongata John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  UC88138  Solidago elongata K. Brandegee Sep 1888 Napa Howell Mountain Comment
  JEPS104694  Solidago velutina subsp. californica John L. Morrison 1936-9-20 1939 Napa Comment
  UCD63168  Solidago velutina subsp. californica Jake Ruygt 2001-10-22 4344 Napa Napa Valley, Solano Avenue at Dry Creek Rd. 30 Comment
  JEPS106873  Soliva sessilis Jake Ruygt 1986-4-19 1711 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 36 Comment
  JEPS18729  Soliva sessilis Willis L. Jepson 1893-5-8 14874 Napa Howell Mt. grade below New Eden; Napa River Basin, Howell Mt. 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
  UCD144654  Sonchus asper subsp. asper Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC235339  Sorghum halepense Peter H. Raven 1950-6-20 2371 Napa In the Napa Range between Conn Valley & Howell Mtn Comment
  CDA3446  Spergularia bocconi H. Stabo 1979-4-26 Napa Residence at 41 Magnolia, Calistoga. 0 Comment
  CAS-BOT-BC390297  Spergularia macrotheca var. longistyla Milo S. Baker 1927-5-1 2111 a Napa Calistoga Geyser Comment
  RSA0098486  Spergularia macrotheca var. longistyla Alice Eastwood, John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs. Comment
  JEPS129151  Spergularia media var. media Jake Ruygt 1983-3-29 1398 Napa River park Boulevard and S Jefferson Street SE corner. Napa 7.5' Quad. Comment
  CAS-BOT-BC390564  Spergularia rubra Peter H. Raven 1953-10-4 6366 Napa Duttons Landing 3 Comment
  JEPS62970  Stachys ajugoides Willis L. Jepson 1893-4-24 14985 Napa hills e St. Helena (to Conn Valley) Comment
  JEPS112628  Stachys albens Jake Ruygt 1979-6-18 712 Napa corner of Snell Valley Rd. and Butts Can yon Rd. 195 Comment
  HSC99327  Stachys rigida C. B. Wolf 1928-5-3 1821 Napa Hawkins Mt. Inn Camp, Mt. St. Helena Grade Comment
  UCD168557  Stachys rigida var. quercetorum Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS115731  Stachys stricta Lowell Ahart 2009-10-12 16441 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 Winte 133 Comment
  UCD161755  Stellaria nitens Jake Ruygt 1996-5-14 3693 Napa White Cliff Springs; Elder Valley; PG and E property to south. 402 Comment
  UC127179  Stephanomeria elata Harley P. Chandler Sep 7 1906-Sep 14 1906 7129 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD37097  Stephanomeria virgata Beecher Crampton 1956-8-28 3878 Napa 0.5 mile southwest of Monticello Dam, Vaca Mountains. Comment
  CDA34655  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, 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. 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
  RSA0008986  Stephanomeria virgata subsp. pleurocarpa Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  UCD74403  Streptanthus barbiger Jake Ruygt 2007-6-23 5239 Napa Spring Mtn. Rd. across from York Creek Dam. 195 Comment
  CAS-BOT-BC61251  Streptanthus breweri John Thomas Howell 1937-7-18 13101 Napa Mount Saint Helena Creek. North Napa county. Comment
  UC1292770  Streptanthus breweri Freed W. Hoffman 1947-9-11 1069 Napa Butts Canyon North Coast Ranges Comment
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  UC630647  Streptanthus breweri var. breweri John L. Morrison and Florence L. Morrison 1938-5-25 3000 Napa sw-facing outcrop 0.7 mi w Knoxville (on road to Lower Lake) Comment
  UC1198805  Streptanthus breweri var. hesperidis Joseph P. Tracy 1899-7-6 407 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  POM225546  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Conn Valley. Comment
  UCD13243  Streptanthus glandulosus Glenn Greenleaf 1974-5-9 22 Napa California: Napa Co. Along state hwy 29, 7.4 mi N of jct with Silverado trail. T9N, R6W, Sec. 1, SW 1/4. Elev. 784 m. 784 Comment
  CAS-BOT-BC87156  Streptanthus glandulosus subsp. glandulosus David D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles northwest of Monticello. Comment
  JEPS129170  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2015-4-20 6075 Napa Fernandes/ Land Trust, Snell Peak area. Aetna Springs 7.5' Quad. Comment
  UC1177074  Streptanthus glandulosus subsp. glandulosus Peter H. Raven 1951-5-6 2825 Napa burn below Conn Dam 274 Comment
  UCD116018  Streptanthus glandulosus subsp. glandulosus Bill Wengeler 1995-4-30 s.n. Napa 2 miles north of Highway 128 along Knoxville Road. 183 Comment
  CAS-BOT-BC87328  Streptanthus hesperidis Robert F. Hoover 1938-6-11 3602 Napa Knoxville Ridge. Comment
  JEPS129049  Streptanthus hesperidis Jake Ruygt 2016-6-6 6278 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  UC596387  Streptanthus hesperidis R. F. Hoover 1938-6-11 3602 Napa Knoxville ridge 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
  CAS-BOT-BC87392  Streptanthus morrisonii Lawrence LaPre' 1985-4-25 s.n. Napa Rare Plant Canyon, a tributary of Hunting Creek from the east, 2 miles southwest of the site of Knoxville. 365 Comment
  JEPS121550  Streptanthus morrisonii Adam C. Schneider with Dick O'Donnell 2013-5-26 229 Napa Near Three Peaks, Lake County Comment
  UCD164230  Streptanthus morrisonii N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 308 Napa Hunting Creek. 337 Comment
  UCR71160  Streptanthus morrisonii subsp. kruckebergii L. F. LaPre, R. Bjork 1986-7-12 s.n. Napa Inner North Coast Ranges, Headwaters of 'Rare Plant Cyn', an unnamed tributary of Hunting Creek 427 Comment
  JEPS104532  Symphyotrichum spathulatum Jake Ruygt 1978-8-7 390 Napa .3 miles west of Big Ranch rd. on Oak Knoll Ave. 22 Comment
  JEPS40783  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley Comment
  JEPS40793  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  UC29864 Image available Symphyotrichum spathulatum Edw. L. Greene 1888-8-28 Napa Calistoga Comment
  JEPS104522  Symphyotrichum subulatum Jake Ruygt 1991-9-21 2841 Napa Kennedy Park, north of the boatramp 1 Comment
  HSC21381  Tamarix parviflora Greg Bos 1963-3-17 42 Napa Delta region, Montezuma Slough. 15 Comment
  JEPS122772  Tamarix parviflora Jake Ruygt 2011-5-7 5772 Napa Pope Canyon Road, Pope Creek, west of arm of Lake Berryessa. Quad: Walter Springs. Comment
  CAS-BOT-BC376783  Tanacetum parthenium Peter H. Raven 1951-6-26 3039 Napa Napa 30 Comment
  CAS-BOT-BC399739  Thalictrum polycarpum Betty H. Johnson 1958-6-20 662 Napa Near Mt. Mill House, 6.4 mi. S.-W. of Middletown Comment
  UC1222478  Thermopsis californica var. californica Joseph P. Tracy 1949-4-22 18285 Napa brushy hillside by reservoir; Conn Valley 91 Comment
  UC16393  Thermopsis californica var. californica Willis L. Jepson 1893-4-27 Napa Napa City Comment
  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
  SEINET7042614  Thermopsis macrophylla A. G. Vestal 1963-5-13 s.n. Napa Conn Valley Road. Saint Helena quadrangle UTM Zone 10, 552079mE, 4262034mN. Comment
  UC1537026  Thermopsis macrophylla var. macrophylla Gordon H. True Jr. 1938-4-13 864 Napa roadside near Oak Knoll Comment
  CAS-BOT-BC66480  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4575 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66497  Thysanocarpus curvipes M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  JEPS106592  Thysanocarpus curvipes Jake Ruygt 1980-5-3 863 Napa .2 miles west of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  JEPS54167  Thysanocarpus curvipes W. L. Jepson 1897-5-2 30 f Napa St. Helena Comment
  UCD148799  Thysanocarpus curvipes Ellen Dean; Diana Hickson 2014-4-29 8106 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 513 Comment
  UCR212324  Thysanocarpus curvipes Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  CAS-BOT-BC66484  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6098 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66491  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  CAS-BOT-BC66502  Thysanocarpus curvipes Peter H. Raven 1953-4-2 5274 Napa Hill west of Tulucay Creek. 243 Comment
  JEPS54164  Thysanocarpus curvipes Willis L. Jepson 1893-4-25 29 d Napa hills w St. Helena (trail to Caux's Cabin); Napa River Basin, hills w of St. Helena Comment
  RSA0057558  Thysanocarpus curvipes subsp. curvipes David D. Keck 1931-4-2 1036 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  JEPS106587  Thysanocarpus laciniatus Jake Ruygt 1998-5-11 3963 x Napa Chiles Canyon at rock cliffs. 182 Comment
  CAS-BOT-BC66949  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa Near Calistoga. Comment
  CAS-BOT-BC67306  Thysanocarpus radians Catherine Best 1984-4-16 917 Napa Atlas Peak Road about 6 miles north of Monticello Intersection. Comment
  UCD48486  Torilis nodosa M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 4 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines, 100 ft. W of lat. and long. 304 Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  CAS-BOT-BC85170  Torreya californica Carl B. Wolf 1928-5-4 1865 Napa Mt. St. Helena Comment
  UCD167157  Torreya californica Jake Ruygt 2015-3-10 6037 Napa Sutro Ranch, east side of Atlas Peak. 683 Comment
  JEPS63910  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19478 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63929  Toxicodendron diversilobum W. L. Jepson 1913-4-15 5314 Napa Howell Mt. 609 Comment
  UCD135903  Toxicodendron diversilobum D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD160789  Toxicoscordion fontanum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8669 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD159912  Toxicoscordion fremontii Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near and west of Q42 or Q43. 243 Comment
  UCD18017  Toxicoscordion fremontii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 562 Napa Napa County. McLaughlin Reserve. Along Knoxville -- Berryessa Rd., just NW of jct. with Devil Head Rd. N side of Knoxville -- Berryessa Rd. 426 Comment
  UCD63857  Toxicoscordion venenosum var. venenosum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCD95925  Toxicoscordion venenosum var. venenosum Ellen Dean; with Clare Loughran 2011-5-20 7058 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  JEPS63142  Trichostema laxum John Thomas Howell 1927-8-24 3046 Napa Pope Valley Creek below Walters Springs, E of Napa Range Comment
  UC615138  Trichostema laxum Beryl O. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UCR45100  Trichostema laxum 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
  UC1191154  Trichostema laxum Herbert L. Mason 1936-9-19 11540 Napa St. Helena Creek Comment
  UC1299468  Trichostema laxum Freed W. Hoffman 1947-9-12 1369 Napa Butte Canyon near Black Oak Villa North Coast Ranges Comment
  UCD166644  Trichostema oblongum Jake Ruygt 1989-6-17 2371 Napa Bear Valley. 630 Comment
  JEPS108656  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano Couny line. 316 Comment
  JEPS108658  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa NW of; ; NW of Buzzard's Roost, N end of Stag's Leap. Yountville Quad Comment
  RSA731088  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard s Roost, north end of Stags Leap. 412 Comment
  UCD166647  Trichostema ruygtii Jake Ruygt 1986-7-2 1855 Napa Atlas Peak Road, 4.5 miles north of Westgate Dr. 448 Comment
  UC22514  Trientalis latifolia Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, New Eden New Eden; Napa River Basin, Howell Mountain, New Eden Comment
  JEPS126091  Trifolium albopurpureum Jake Ruygt 1995-4-29 3451 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Qua. Comment
  UC137702  Trifolium albopurpureum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena, Napa Co. Comment
  UCD35294  Trifolium albopurpureum Beecher Crampton 1955-4-7 2430 Napa 7.8 miles north of Monticello. Comment
  UC16488  Trifolium albopurpureum var. dichotomum Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UC1925870  Trifolium bifidum Ethel Crum 1931-1 1055 Napa Pope Valley Comment
  UCD18152  Trifolium bifidum Jean Shepard; with Plant Biology 102 class 2000-4-29 190 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  JEPS106800  Trifolium ciliolatum Jake Ruygt 1995-4-29 3456 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  UC16483  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  JEPS106805  Trifolium dubium Jake Ruygt 1996-5-5 3640 Napa Butts Canyon Road at James Creek Road; field to SE. 210 Comment
  JEPS106826  Trifolium fragiferum Jake Ruygt 1983-6-21 1336 Napa Suscol plain, north west side of Kaiser 3 Comment
  JEPS65868  Trifolium fucatum Willis L. Jepson 1893-4-25 13721 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin 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
  UCD16042  Trifolium fucatum R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 11 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. Herbaceous, 1.5-2 dm tall, corolla yellow, turning pink with maturity. Comment
  POM126204  Trifolium fucatum var. fucatum C. F. Sonne 1887-04 1535 Napa Napa Junction Comment
  JEPS106811  Trifolium glomeratum Jake Ruygt 1983-5-1 1449 b Napa Suscol Ridge east side of HWY 29 (221) 28 Comment
  UCR91212  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  JEPS129084  Trifolium gracilentum Jake Ruygt 2016-4-16 6188 Napa South of Scrabble Road, E of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD69024  Trifolium hirtum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  CDA10873  Trifolium microcephalum G. F. Hrusa, M. Rejmanek 1993-5-15 10968 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SEINET7040258  Trifolium microdon A. G. Vestal 1963-4-7 s. n. Napa 2.1 miles north of St. Helena on Silverado Trail. St. Helena Quadrangle UTM Zone 10, 544987mE, 4264386mN. Comment
  RSA313540  Trifolium obtusiflorum P. B. Kennedy 1929-5-23 10287 Napa Moore Creek, region of Mt. Howell, Napa Range. Comment
  UC137701  Trifolium oliganthum C. F. Baker 1903-4-20 2606 Napa Mt. St. Helena Comment
  JEPS129145  Trifolium subterraneum Jake Ruygt 1978-4-30 283 Napa 0.1 mile south of Oak Knoll Avenue on Silverado Trail. Napa 7.5' Qua. Comment
  JEPS106717  Trifolium tomentosum Jake Ruygt 1979-4-11 501 Napa .2 mile west of Suscol Ave. on Imola Ave 6 Comment
  UC1103455  Trifolium variegatum Joseph P. Tracy 1902-5-17 1523 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  SBBG115724  Trifolium variegatum B. Crampton 1962-5-8 6414 Napa 2 mi N of Calistoga, Myrtledale Hotsprings meadow Comment
  POM313549  Trifolium variegatum var. melananthum P. B. Kennedy 1928-5-13 10146 Napa Napa to Sonoma highway 3 miles W. of Napa. Comment
  JEPS106686  Trifolium variegatum var. pauciflorum Jake Ruygt 1991-5-11 2667 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  UCR23914  Trifolium virescens John C. Roos 1939-4-15 279 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  JEPS106688  Trifolium willdenovii Jake Ruygt 1989-4-8 2251 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 377 Comment
  JEPS4171  Trifolium willdenovii W. L. Jepson 1936-7-2 17645 Napa Angwin Napa Range, Howell Mtn 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
  UCD49032  Trifolium willdenovii S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 207 Comment
  OBI12644  Trifolium willdenovii R. L. Hoover 1968-4-20 47 Napa On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd Comment
  UC1300876  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa along Silverado Trail (hillsides) Comment
  UCD109891  Trifolium willdenovii R. Tofsrud 1951-5-20 s.n. Napa Yontville cemetery. Comment
  CAS-BOT-BC451903  Triglochin maritima Peter H. Raven 1951-9-9 3905 Napa Slaughterhouse Pt., Napa River 0 Comment
  JEPS113978  Trillium chloropetalum Jake Ruygt 1994-3-19 3328 Napa In canyon between Little Bear Valley and Bear Valley. Detert Reservoir 7.5' Quad. 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
  UCD75833  Triodanis biflora Jake Ruygt 2005-6-1 4893 Napa Blue Ridge, about 1 mile north of Mays Flat. 402 Comment
  UCD18179  Triphysaria eriantha 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
  JEPS74865  Triphysaria eriantha subsp. eriantha T. I. and F. M. Chuang 1975-5-4 7510 Napa 5.7 mi e Pope Valley; e of Pope Valley Comment
  JEPS16798  Triphysaria eriantha subsp. eriantha Rimo Bacigalupi with John Dawson 1955-4-25 4846 Napa near junction of Lower Lake road with Calif. Highway 128 in Monticello Valley; field in Monticello Valley 94 Comment
  UCD78099  Triphysaria pusilla Robert E. Preston 2005-3-10 2316 Napa Mouth of Long Canyon 312 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
  RSA739593  Triphysaria versicolor subsp. faucibarbata John Dittes 2003-4-5 2003 -10 Napa Inner N Coast Range, Napa Valley, 1.6 air miles N by NW of Calistoga City Hall, 0.9 air mile NW of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Raod and Tubbs Lane. 122 Comment
  UCD148587  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa; S. Larson 1995-4-10 12060 Napa Along Pope Canyon Road approximately 1 mile east of intersection of Pope Valley-Chiles Valley Road and Pope Canyon Road. 180 Comment
  UCD83859  Triphysaria versicolor subsp. faucibarbata Ellen Dean; Stephen Rae 2010-3-15 5817 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  HSC20861  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa W Imola Ave., 1 mi. W of Hwy. 12 & 29 Comment
  UC1301199  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-3-17 5239 Napa Henry Road e Napa; San Francisco Bay Region 121 Comment
  UCD123417  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1950-5-7 570 Napa south of Yountsville, Napa Valley. 45 Comment
  UCR24352  Trisetum canescens John C. Roos 1939-5-7 297 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  JEPS64207  Triteleia hyacinthina Elizabeth Ferguson 1920-5-15 347 Napa e Howell Mountain (Pope Creek); e of Howell Mountain, Pope Creek Comment
  JEPS110913  Triteleia laxa Jake Ruygt 1981-5-27 1044 Napa American Canyon, .3 mile east of Flosden Rd. 91 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
  UCD18174  Triteleia laxa 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
  UCD68005  Triteleia laxa Bill Wengeler 1995-4-16 s.n. Napa long Knoxville Road, approximately 4 miles North of Highway 128. 177 Comment
  UCD139404  Triteleia laxa Eric S. Nagy 1990-4-15 2 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  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
  HSC103515  Triteleia peduncularis Thomas W. Nelson, Jane Nelson 1981-6-22 6504 Napa Along Cedar Creek, just upstream from road crossing 549 Comment
  UCD161689  Triteleia peduncularis Jake Ruygt 2009-5-22 5412 Napa American Canyon, across road from quarry. 85 Comment
  CAS-BOT-BC91200  Umbellularia californica F. G. Krauss 1893-10-5 s.n. Napa West of Calistoga. Comment
  CDA15406  Umbellularia californica G. F. Hrusa 1997-2-3 13619 Napa North Coast Biodiversity Arena; Slopes on SW margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Comment
  RSA15671  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mt. St. Helena grade, at Mt. St. Helena Inn. Comment
  UCD49172  Umbellularia californica Kook-Hyun Chung; C. Ineich, J. Deusterman, and M. Hauselt 2001-4-28 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd., 1 m S of road. 256 Comment
  CAS-BOT-BC91197  Umbellularia californica W. R. Dudley 1895-2-20 s.n. Napa Head of Knight's Valley. Comment
  JEPS35616  Uropappus lindleyi Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  CAS-BOT-BC381969  Uropappus lindleyi Belle Richardson Jackson 1938-5-29 s.n. Napa Road to Mt. Atlas, Napa Valley Comment
  JEPS35682  Uropappus lindleyi W. L. Jepson 1936-5-31 17574 Napa between Toland House and Angwin (La Jota Plateau, Napa Range); Napa Range, La Jota Plateau Comment
  CAS-BOT-BC526977  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1615 Napa About 100 yds E of bridge, a junction of Petrified Forest Road and Hwy 128, 1 mi N of Calistoga Comment
  UCD38862  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. Comment
  CDA29780  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). 0 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
  UC1949222  Veronica americana Barbara Ertter with Elizabeth Neese 1988-10-2 7951 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  JEPS110576  Veronica anagallis-aquatica Jake Ruygt 1989-6-25 2386 Napa Napa River N of Trancas St., Napa 1 Comment
  UCD49291  Veronica persica L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 11 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  RSA0015487  Vicia americana subsp. americana Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS66207  Vicia benghalensis W. L. Jepson 1944-5-21 27526 Napa 8 mi n Napa (e side of Napa Valley); Napa Valley Comment
  UC1300881  Vicia cracca Helen K. Sharsmith 1963-4-20 5351 Napa above Wooden Valley (on Monticello Road, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  CHSC25104  Vicia villosa subsp. varia J. E. Beitler 1970-4-19 26 Napa St. Helena. At the base of the dam of lower Spring Mountain Reservoir ca. 75 yds. E. of Spring Mountain Road. Comment
  UCD16041  Vicia villosa subsp. varia R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 25 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. Herb, 3-4.5 dm, flws. purple. Comment
  HSC103466  Viola douglasii Thomas W. Nelson, Jane Nelson 1981-4-14 6397 Napa Along Morgan Valley Rd., ~ 1.5 mi. N of junction with Devil Head Rd., opposite Manhattan Mine. 579 Comment
  SEINET5728582 Image available Viola douglasii M. R. Gardner 1967-1 20 Napa 1 mi. SE of Pope Valley.; Pope Valley 213 Comment
  UCD110899  Viola lobata Heidi E. M. Dobson 1978-4-2 293 Napa East slope of Mt. Veeder. Comment
  UCD67977  Viola lobata Linda A. Bell 1975-5-18 151 Napa Oakville Grade, 5.7 miles W of junction with Highway 29. 381 Comment
  UCD95688  Viola lobata subsp. integrifolia Ellen Dean; with Clare Loughran 2011-5-20 7033 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  CAS-BOT-BC530126  Viola lobata subsp. integrifolia John Thomas Howell 1926-3-28 1766 Napa St. Helena Creek near Patten's 609 Comment
  JEPS110804  Viola lobata subsp. lobata Jake Ruygt 1995-3-29 3413 Napa about 2 mi S of Sage Canyon Road across from boat ramp 448 Comment
  JEPS48870  Viola lobata subsp. lobata Elsa Kraeger 1926-3-28 Napa near Mount St. Helena Inn Comment
  UC1300828  Viola pedunculata Helen K. Sharsmith 1963-3-17 5207 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UCD111088  Viola pedunculata Daphne K. Christopher; Hannah Stevens 2003-4-16 174 Napa UC Davis, Jepson Prairie Reserve. 5 Comment