Search Results — 2000 specimen records retrieved (1463 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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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC102280  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, about 20 miles (air) northwest of Winters. 130 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
  UCD117009  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy. 128. Comment
  UCD73927  Achnatherum coronatum G. Ledyard Stebbins 1966-5-28 6426 Napa Markley Canyon. Comment
  CAS-BOT-BC29759  Achyrachaena mollis Peter H. Raven 1950-5-6 2021 Napa near Old Faithful Geyser, N of Calistoga 182 Comment
  CAS-BOT-BC29755  Achyrachaena mollis Ella D. Cantelow 1939-4-8 2496 Napa 4.5 miles SW of Pacific Union College, Howell Mt. Comment
  CAS-BOT-BC29756  Achyrachaena mollis David D. Keck 1931-4-3 1058 Napa 7 miles NW of monticello (1 mile above the mouth of Pope Creek) Comment
  UCD167102  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6122 Napa Missimer - Snell Valley Preserve. 177 Comment
  UCD18058  Acmispon brachycarpus Ellen Dean; with Plant Biology 102 class 2000-4-22 613 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
  UCD104117  Acmispon glaber H. T. Hartmann 1941-8-14 s.n. Napa Between Napa and Monticello. Comment
  UCD48948  Acmispon glaber var. glaber K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Along West Rd., ca. 0.38 as the crow flies miles (1500 ft.) NW of jct, with S. Decker Canyon Rd. 237 Comment
  UCD168551  Acmispon wrangelianus 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
  SEINET201172  Adenostoma fasciculatum Lynn B. Hendrix 1962-5-5 42 Napa South end of Lake Berryessa. Comment
  UC555288  Adenostoma fasciculatum H. L. Mason 1925-1-22 1203 Napa Wooden Valley Grade Comment
  UCD118633  Adenostoma fasciculatum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and just north of Recreation Flat, on south facing slope. 389 Comment
  JEPS127885  Adiantum jordanii Adam C. Schneider with Dick O'Donnell 2014-5-28 242 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd. 2.5 miles west of Junction with Barynessa Knoxville Road. Comment
  UCD48357  Adiantum jordanii C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello dam; along Decker Bay Trail, 45 ft. NW from junction with West Rd. 152 Comment
  CAS-BOT-BC65665  Adiantum jordanii Evalina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  CAS-BOT-BC65666  Adiantum jordanii Jean Fottrell 1906-7-1 s.n. Napa Napa Comment
  UCD137180  Adiantum jordanii Beecher Crampton 1953-2-26 991 Napa About 6 miles east of Monticello. Comment
  UCD20431  Aegilops triuncialis E. Dean; w/ PLB 102 class 2002-5-4 1019 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along upper road leading to powerlines, steep, N-facing slope. 286 Comment
  SEINET6646612  Aesculus californica R. R. Halse 1989-5-13 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  JEPS104510  Agoseris grandiflora Jake Ruygt 1985-5-25 1599 Napa American Canyon, .4 miles east of Flosden Road 137 Comment
  JEPS104514  Agoseris grandiflora Jake Ruygt 1982-5-1 1303 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  UCD148099  Agoseris grandiflora Jake Ruygt 2006-6-13 5056 Napa Northeast of Lake Berryessa. North of ridge on road between Harris and Green Canyon. 396 Comment
  CAS-BOT-BC15371  Agoseris grandiflora var. leptophylla Peter H. Raven 1952-5-31 4123 Napa Hills southwest of Rector Canyon 152 Comment
  CAS-BOT-BC22750  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 Comment
  CAS-BOT-BC22753  Agoseris heterophylla P. H. Raven; G. L. Stebbins 1953-4-19 5316 Napa Steel Canyon 304 Comment
  JEPS36282  Agoseris heterophylla var. cryptopleura W. L. Jepson 1920-5-25 9043 Napa Knoxville Ridge 670 Comment
  UC165998  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-21 1602 Napa 3 to 4 mis e, (head of Moore's Cr) Angwin's; Howell Mt., Moore's Creek 426 Comment
  JEPS36373  Agoseris hirsuta Willis L. Jepson 1894-7-19 Napa upper Napa Valley; , Napa River Basin Comment
  CAS-BOT-BC13321  Agoseris retrorsa Paul F. Covel 1940-4-28 1742 Napa Howell Mt., near Pacific Union Coll. Comment
  SEINET3916090  Agrostis diegoensis Fred W. Hoffman 1944-7-7 1972 Napa Chaparral, east slope Trinity Road.; 0 Comment
  CAS-BOT-BC127138  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa Above Capell Creek, north end of Capell Valley. Comment
  CAS-BOT-BC127140  Agrostis exarata Peter H. Raven 1952-5-31 4117 Napa 2.5 miles east of Yountville. 60 Comment
  OBI22552  Agrostis exarata Robert F. Hoover 1966-8-23 9932 Napa Butts Cyn near Lake Co. line Comment
  UCD39091  Agrostis exarata Beecher Crampton 1963-9-25 6905 Napa State Hwy. 37, west slope of Howell Mtns. east of Napa. Comment
  UCD52404  Agrostis exarata B. Crampton 1954-6-25 2012 Napa 3 miles south of Calistoga. Comment
  CAS-BOT-BC139729  Agrostis gigantea Peter H. Raven 1951-6-24 3010 Napa Napa. 30 Comment
  UCD52670  Agrostis hallii Beecher Crampton 1957-6-4 4109 Napa above Capell Creek, north end of Capell Valley. Comment
  CAS-BOT-BC138823  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Meadow, Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  POM126100  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 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
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  UCD53098  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa East slopes of Howell Mtns. above Wooden Valley. Comment
  UCD53205  Agrostis pallens John Thomas Howell 1943-6-10 18236 Napa Hills southwest of St. Helena. Comment
  UCD95693  Agrostis pallens Ellen Dean, Clare Loughran; with Clare Loughran 2011-5-20 7039 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  UCR227899  Agrostis pallens Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  UCD120873  Aira caryophyllea Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7337 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
  HSC42390  Allium amplectens Dale McNeal 1977-5-18 2032 Napa Beside Pope Valley Rd., 6.1mi. N of the junction of Hwy. 128 Comment
  RSA537500  Allium amplectens Barbara Ertter, Annetta Carter 1989-5-28 8516 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  CAS-BOT-BC229  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena Comment
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 Comment
  CAS-BOT-BC469024  Allium falcifolium M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC469026  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  UC1299308  Allium falcifolium Freed W. Hoffman 1947-3-20 870 Napa Hunting Creek, Napa-Lake county line North Coast Ranges, Hunting Creek Comment
  UC726233  Allium falcifolium A. A. Heller 1941-5-16 16129 Napa on road to Upper Lake about 3 mi w Knoxville Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  CAS-BOT-BC472783  Allium neapolitanum Alice Ackley 1957-3-30 s.n. Napa 2 miles east of Napa Comment
  UCD48742  Allium serra K. Mogel; B. Pekin and M. Higley 2002-5-4 11 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 900 ft. along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  CAS-BOT-BC475559  Allium serra Alice Eastwood 1930-4-13 17927 Napa Canon between Monticello and Pope Valley Comment
  JEPS110935  Allium serra Jake Ruygt 1998-5-2 3955 Napa Landucci Ranch 268 Comment
  CAS-BOT-BC284  Allocarya piperi Amos Arthur Heller; H. E. Brown 1902-4-25 5361 Napa Near Napa Comment
  UCD169878  Allophyllum gilioides subsp. gilioides Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 718 Napa Knoxville Wildlife Area. 245 Comment
  JEPS58606  Alnus rhombifolia E. L. Greene 1874-8-13 Napa Napa Valley Comment
  RSA299415  Alnus rhombifolia W. L. Jepson 1901-8-6 1717 Napa White Sulphur Spring. Comment
  JEPS54296  Amaranthus californicus W. L. Jepson 1930-10-19 15683 Napa Conn Creek Napa Valley 45 Comment
  CAS-BOT-BC45030  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  JEPS104501  Ambrosia psilostachya Jake Ruygt 1978-9-27 422 Napa .15 mi. west of Buhmann Ave. on Henry Rd 48 Comment
  RSA92940  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near slaughterhouse Point, Napa River. 0 Comment
  UCD112865  Amelanchier alnifolia K. Esau; E. Hyde 1940-5-25 s.n. Napa Napa County. Comment
  UCD33089  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UCD39198  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
  JEPS85021  Amelanchier utahensis Larry Heckard and Mary Ashton 1969-5-3 2222 Napa 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd, near entrance to Mead Ranch) 457 Comment
  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
  JEPS16026  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley Union sta.; Napa Valley Comment
  JEPS2724 Image available Amorpha californica var. napensis W. L. Jepson 1916-8-6 6835 Napa Moore Creek, Howell Mt. Comment
  CDA15312  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 1 of 2. Comment
  CDA16003  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 1 of 3. Comment
  JEPS20859  Amsinckia intermedia W. L. Jepson 1893-4-26 21085 Napa Oakville Napa Valley; Napa River Basin Comment
  UC1084556  Amsinckia intermedia Peter M. Ray 1952-5-25 2292 Napa 3 mi s Pope Valley (bridge over Sage Creek, e of junction with Pope Valley-Rutherford (via Conn Dam) road on road to Monticello) Comment
  UCD170819  Amsinckia intermedia 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  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
  UC1094053  Amsinckia intermedia Francia Chisaki 1954-4-15 594 Napa 12.7 mi n of its cut-off from Highway #29 (on Silverado Trail); Silverado Trail Comment
  UC1191038  Amsinckia intermedia Francia Chisaki 1954-4-15 596 Napa about 2 mi s Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD118744  Amsinckia menziesii Katherine Graham; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, near oak woodland. 388 Comment
  CAS-BOT-BC26969  Amsinckia vestita Alice Eastwood 1922-5-4 11260 Napa Calistoga Comment
  UCD170834  Anagallis arvensis 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
  UCD20819  Anagallis arvensis N. Nicola 2001-3-29 035 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  CAS-BOT-BC64141  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mountain, head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  SEINET2140851  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  JEPS40581  Ancistrocarphus filagineus W. L. Jepson 1915-4-23 6264 Napa hills Chiles Creek Comment
  JEPS110887  Anemone oregana Jake Ruygt 1997-5-13 3851 Napa Monticello Road at north entrance to Leoma Lakes 385 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
  UCD54302  Angelica californica Mark Bibbo; w/ Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UCD38975  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
Read comments Jun 12 2007
  UCD149686  Angelica lineariloba 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
  JEPS14086  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UC174197  Angelica tomentosa Katharine Brandegee 1910-7-26 Napa near Aetna Springs Comment
  HSC71976  Angelica tomentosa J. M. DiTomaso 1980-7-8 1740 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29 610 Comment
  UC765494  Angelica tomentosa R. F. Hoover 1938-9-23 3861 Napa south fork of Butts Creek Butts Creek Comment
  UCD73051  Anisocarpus madioides Ellen Dean; S. Rae 2008-5-21 4970 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  UC1537058  Anthemis cotula Gordon H. True Jr. 1937-6-21 736 Napa near Lokoya Lodge 365 Comment
  UCD129050  Anthemis cotula Kamala Crompton 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 100 Comment
  SEINET3918488  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, small meadow along Highway 53.; 0 Comment
  JEPS14070  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  RSA430676  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creek; at an area reached by traveling private vineyards roads at end of Barnett Road (1.9 miles from start). Comment
  UCD123453  Antirrhinum majus J. A. Marinovich 1964-5-8 s.n. Napa State Highway 128, between Monticello Dam and junction with State Highway 37. 182 Comment
  JEPS112547  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1989-6-3 2362 b Napa about 1 mile south of Monticello dam on Vaca Mtns. 402 Comment
  UCD160733  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Ellen Dean 2015-5-23 8785 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  CAS-BOT-BC237921  Antirrhinum virga John Thomas Howell 1926-10-3 2197 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC237922  Antirrhinum virga Mrs. Merrel Ackley 1962-6-27 s.n. Napa Hills about 5 miles west of St. Helena Comment
  CAS-BOT-BC248849  Antirrhinum virga Arno H. Wilson 1920-6-26 s.n. Napa Atlas 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
  CDA11135  Apiastrum angustifolium G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11825 Napa North Coast Biodiversity Arena; Upper slopes of Mt. George Comment
  RSA653989  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UCD126299  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon. 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
  UCD33220  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCR198092  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UC623308  Apocynum androsaemifolium H. L. Mason 1939-5-18 12103 Napa near summit of Wooden Valley Grade Comment
  UC1199839  Apocynum cannabinum Herbert L. Mason 1942-9-29 12559 Napa ca. 1 mi. n. Rutherford (edge of Beaulieu Ranch) Comment
  CAS-BOT-BC392030  Aquilegia eximia John Thomas Howell 1933-8-27 11636 Napa Sage Canyon, Napa Range Comment
  JEPS53030  Arabis glabra Willis L. Jepson 1893-4-24 32 c Napa hills e St. Helena (to Conn Valley grade); Napa River Basin Comment
  JEPS106774  Arabis modesta Jake Ruygt 1998-4-18 3923 Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  JEPS40072  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  RSA470442  Aralia californica B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga 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
  UCD117478  Arbutus menziesii L. Flaherty 1991-4-4 s.n. Napa Near Los Posadas. Comment
  JEPS40129  Arceuthobium campylopodum W. L. Jepson Oct. 1893 Napa Conn Valley Comment
  UC1121471  Arctostaphylos A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Napa Quadrangle Comment
  JEPS38634  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14728 Napa near Signal Station; Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC23952  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23976  Arctostaphylos canescens subsp. canescens Gary D. Wallace 1974-12-23 1346 Napa SE of Mt. St. Helena along Hwy 29, just N of robert Louis Stevenson St. Pk. 609 Comment
  CAS-BOT-BC23979  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC23981  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11117 Napa Mt. St. Helena Comment
  CAS-BOT-BC23987  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12261 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23988  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-5-4 11278 Napa Mt. St. Helena Comment
  CAS-BOT-BC23995  Arctostaphylos canescens subsp. canescens Katharine Brandegee May 18. s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23996  Arctostaphylos canescens subsp. canescens H. E. McMinn s.n. H 59 Napa Mt. St. Helena, Pathological Comment
  CAS-BOT-BC23999  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11108 Napa Mt. St. Helena Comment
  CAS-BOT-BC24024  Arctostaphylos canescens subsp. canescens Lester Rowntree 1931-2-1 s.n. Napa Monticello Road 7 miles east of Napa Comment
  POM125416  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11763 Napa Mount St. Helena Comment
  UC1309703  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1936-9-20 712 Napa Mt. St. Helena Calistoga Quadrangle 609 Comment
  JEPS38619  Arctostaphylos columbiana Anson S. Blake Apr. 1923 Napa Moore Creek Howell Mountain Comment
  UCD82609  Arctostaphylos glandulosa Ellen Dean; T. Starbuck 2009-5-4 5547 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC24863  Arctostaphylos glandulosa subsp. cushingiana Gertrude Raven Hardman 1967-12-25 s.n. Napa Pope Valley Comment
  RSA10633  Arctostaphylos glandulosa subsp. glandulosa C. B. Wolf 1928-5-4 1858 Napa Upper slopes of Mount St. Helena. Comment
  RSA181908  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1936-12-7 17994 Napa Four Corners, Howell Mt. Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  JEPS46407  Arctostaphylos manzanita unknown 1896-2-23 Napa Howell Mt. Comment
  POM367347  Arctostaphylos manzanita H. de Forest 1930-3-23 14613 Napa Mt. St. Helena. Ridge SE from mt. 701 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
  UC549544  Arctostaphylos manzanita J. E. Adams 1934-4-10 647 Napa Mt. St. Helena Comment
  CDA38702  Arctostaphylos manzanita T. C. Fuller 1962-3-27 7892 Napa Road to Lake Berryessa (Hwy 37), 3.8 miles north of Wooden Valley. 0 Comment
  CAS-BOT-BC24290  Arctostaphylos manzanita subsp. manzanita Elsa G. Ruckert 1960-2-27 8 Napa 6495 Dry creek Rd. 365 Comment
  CAS-BOT-BC38730  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-5-21 11311 Napa Hills east of Napa Comment
  CAS-BOT-BC38733  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC38775  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-2-22 6413 a Napa Hills just north of White Sulfur Springs, w. of St. Helena 152 Comment
  JEPS106414  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 1977-1-9 122 Napa .15 miles west of Deer Park Rd. on Hill Avenue 548 Comment
  JEPS122807  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5116 Napa Whitehall Lane at west end of county road. QUAD: Rutherford. Comment
  JEPS38743  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1913-4-15 5319 Napa lower w slopes Howell Mt. Comment
  RSA181902  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa Glass Mt., near St. Helena. Comment
Read comments Sep 3 2012
  RSA70407  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-3-23 4561 Napa Near Mt. St. Helena. Comment
  UC2026414  Arctostaphylos manzanita subsp. manzanita Louis C. Wheeler 1952-8-30 6877 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  UC909842  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 646 Napa Mt. St. Helena Comment
  CAS-BOT-BC43842  Arctostaphylos stanfordiana Mrs. E. C. Sutliffe 1921-2-12 s.n. Napa Calistoga Comment
  CAS-BOT-BC43862  Arctostaphylos stanfordiana C. Hart Merriam 1906-8-15 s.n. Napa Mt. St. Helena (East side) Comment
  CAS-BOT-BC43871  Arctostaphylos stanfordiana Alice Eastwood 1907-3-29 s.n. 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
  CDA11913  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-3-11 11600 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  CHSC83149  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile west of Aetna Springs. Comment
  JEPS38877  Arctostaphylos stanfordiana W. L. Jepson 1936-12-3 17977 Napa near Four Corners; Napa Range, Howell Mt. Comment
  UC1220984  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi w Aetna Springs Comment
  UC571226  Arctostaphylos stanfordiana H. L. Mason 1926-1-2 2611 Napa Toll House Canyon Mount St. Helena Comment
  UCD37946  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile W of Aetna Springs. 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
  UCR212318  Arctostaphylos stanfordiana subsp. decumbens 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
  POM203160  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-5-5 11305 Napa Mount St. Helena Comment
  RSA14941  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood, John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade. Comment
  RSA293009  Arctostaphylos stanfordiana subsp. stanfordiana Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 A- 750 Napa Mt. Saint Helena. Comment
  SBBG58412  Arctostaphylos stanfordiana subsp. stanfordiana L. Rowntree 1930-7-17 Napa Napa County [no specific locality] Comment
  UCD73847  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4982 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 269 Comment
  JEPS106410  Arctostaphylos tomentosa subsp. crustacea Jake Ruygt 1990-4-1 2449 b Napa south of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  UCD52205  Arctostaphylos viscida Eric Grissell 1968-7-4 s.n. Napa ca. 2 miles northwest of Knoxville, Napa County, California. Comment
  UCD52212  Arctostaphylos viscida R. L. Smith 1948-4-17 s.n. Napa 5 miles north of Aetna Springs, Pope Valley, Napa County, California. Comment
  UCD52447  Arctostaphylos viscida Roman Gankin 1966-2-26 681 Napa Next to roadway at gate; property west of Macdonald Ranch, Las Posadas State Forest, Napa County, California. Comment
  UCD52565  Arctostaphylos viscida Beecher Crampton 1964-10-8 7218 Napa Napa County; north end Capell Valley, slopes above Capell Creek, State Hwy. 128. Comment
  UCD52637  Arctostaphylos viscida Heidi E. M. Dobson 1978-4-8 316 Napa California, Napa County: East slope of Mt. Veeder. Comment
  UC762313  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4914 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon 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
  UC1388347  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-20 874 Napa Pope Creek North Coast Ranges Comment
  UCD118543  Arctostaphylos viscida subsp. viscida Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  CHSC20707  Aristolochia californica Robert A. Schlising 1964-3-25 2655 Napa California Coast Ranges. Jct Redwood Road and Browns Valley Road. Comment
  JEPS32463  Aristolochia californica W. L. Jepson 1939-9-12 19479 Napa York Creek near St. Helena Comment
  RSA13738  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
Read comments Sep 12 2013
  UC504869  Aristolochia californica R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UC6148  Aristolochia californica Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  JEPS104525  Arnica discoidea Jake Ruygt 1978-5-7 293 Napa .5 miles south of Monticello Rd. on road to Wild Horse Valley 414 Comment
  UC166074  Arnica discoidea J. P. Tracy 1905-7-6 2224 Napa 3-4 mi e of, head of Moore's Creek Angwin's; Howell Mountain, Moore's Creek 457 Comment
  SEINET251850  Artemisia arbuscula subsp. arbuscula L. Shultz, J. Shultz 1986-9-20 10231 Napa Hills west of Calistoga 180 Comment
  CDA11261  Artemisia californica G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11916 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Below old homestead. Comment
  SEINET4343123  Artemisia pycnocephala Leila M. Shultz, John S. Shultz 1987-9-16 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  UC22963  Asclepias cordifolia Willis L. Jepson 1894-5-1 Napa St. Helena Napa River Basin Comment
  JEPS49852  Asclepias eriocarpa W. L. Jepson 1897-7-12 14536 Napa near Samuel's Springs; Pope Creek Comment
  UCD170282  Asclepias fascicularis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 822 Napa Knoxville Wildlife Area, north of Nevada Creek. 496 Comment
  UCD19919  Asclepias fascicularis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 775 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
  UCD20502  Aspidotis californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1073 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  CAS-BOT-BC69615  Aspidotis densa John Thomas Howell 1926-3-21 1716 Napa St. Helena Creek below Patten's. 609 Comment
  CAS-BOT-BC69616  Aspidotis densa Ira L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake County Line. 853 Comment
  JEPS54545  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  UC764693  Astragalus breweri R. F. Hoover 1941-4-26 4920 Napa between Walter Springs and Pope Valley; between Walter Springs and Pope Valley Comment
  UCD75830  Astragalus breweri Jake Ruygt 2005-5-16 4853 Napa Tubbs Lane at Myrtledale Rd., Calistoga; NE parcel. 122 Comment
  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
  JEPS107254  Astragalus clevelandii Jake Ruygt 1986-7-5 1862 Napa Knoxville Devilhead Rd, at firetrail to ''sensitive plant canyon'' 472 Comment
  JEPS107255  Astragalus clevelandii Jake Ruygt 1998-7-6 4077 b Napa Butts Canyon about 0.3 mile north of Snell Valley Road. 377 Comment
  RSA108878  Astragalus clevelandii H. D. Ripley, R. C. Barneby 1945-6-21 6935 Napa 3 miles north of [Etna?] springs. Comment
  UC764094  Astragalus clevelandii R. F. Hoover 1938-9-23 3863 Napa Canyon of South Fork Butts Creek Comment
  CAS-BOT-BC178290  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  JEPS54652  Astragalus gambelianus Willis L. Jepson 1893-5-2 13753 Napa Pope Valley grade from Calistoga (Napa River Basin); , Pope Valley grade from Calistoga Comment
  UCD144414  Astragalus gambelianus G. F. Hrusa; S. Larson 1995-4-10 12058 Napa Approximately 1 m. below bridge over Pope Creek, on Pope Canyon Road. 175 Comment
  UCD170808  Astragalus gambelianus 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  CAS-BOT-BC178294  Astragalus gambelianus Peter H. Raven 1955-3-20 8245 Napa Slopes just below Hennessey Lake, Conn Valley. 121 Comment
  CAS-BOT-BC27753  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  CAS-BOT-BC17532  Athysanus pusillus Carl B. Wolf 1928-5-3 1831 Napa Base of Mount St. Helena. Comment
  JEPS106814  Atriplex joaquinana Jake Ruygt 1991-9-14 2839 Napa northwest of end of Mini Drive, American Canyon 2 Comment
  UCR197925  Avena fatua Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford Comment
  JEPS14319  Baccharis glutinosa Peter H. Raven 1955-8-27 8760 Napa at Cuttings Wharf Comment
  UC1536745  Baccharis pilularis G. H. True Jr. 1937-10-12 841 Napa near Lokoya Lodge Comment
  UCD81444  Baccharis salicifolia subsp. salicifolia M. Wiesendanger 1926-4-1 1498 Napa Napa County. Comment
  CAS-BOT-BC16533  Barbarea orthoceras John Thomas Howell 1931-4-2 6065 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  JEPS75994  Beckmannia syzigachne W. L. Jepson 1936-6-2 17608 Napa hills to e Yountville (e side of road); Napa Valley Comment
  UC37442  Beckmannia syzigachne Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UCD56790  Beckmannia syzigachne A. A. Beetle 1946-7-13 4694 Napa SE 1 mi. from Calistoga. Comment
  UCD167382  Bellardia trixago Eric LoPresti 2016-5-3 18 Napa McLaughlin UC Reserve. Old town of Knoxville, by gate at Knoxville-Berryessa Road. 396 Comment
  CHSC102255  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS120400  Bergia texana Jake Ruygt 1998-12-7 4120 Napa About .15 miles west of boat ramp at Lake Hennessey. 94 Comment
  UCD148774  Beta vulgaris subsp. maritima Jake Ruygt 1991-9-14 2838 Napa Napa County; American Canyon, northwest of end of Mini Drive. 2 Comment
  PASA1885  Boisduvalia densiflora Frank W. Peirson 1928-7-4 Napa Summit of St. Helena Grade Comment
  JEPS110697  Boisduvalia stricta Jake Ruygt 1983-6-5 1486 Napa Oak Shores Park, Lake Berryessa 137 Comment
  JEPS64002  Bolboschoenus robustus W. L. Jepson 1894-11-7 21219 Napa Napa Comment
  JEPS18631  Brickellia californica W. L. Jepson 1934-10-19 16905 Napa near the bridge over Napa River between St. Helena (town) and St. Helena Sanitarium St. Helena; Napa River Comment
  UCD57145  Briza maxima Beecher Crampton 1965-5-13 7335 Napa Ca. 3 miles SE of Calistoga Silverado Trail. Comment
  CAS-BOT-BC145368  Briza minor Paul F. Covel 1940-4-28 1702 Napa Near Yountville. Comment
  RSA247335  Briza minor Gary D. Wallace 1967-5-27 767 Napa Northwest of St. Helena on Howell Mtn. Rd. 2 mi west of Pacific Union College. Comment
  RSA696325  Briza minor Keith E. Hoffmaster 1939-4-26 941 Napa Near Monticello. Comment
  UC1158114  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jota Plateau Northern Coast Ranges, Howeel Mountain (3-4 mi e of Angwin's, on hills at head of Moore's Creek) 518 Comment
  UC187258  Briza minor Louise Martin 1902-5-15 1445 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 396 Comment
  UCD170451  Brodiaea elegans subsp. elegans Daniel Potter; Ninh Khuu 2016-6-8 880 Napa Knoxville Wildlife Area, flat grassy area just east of Berryessa-Knoxville Road, just south of barn. 235 Comment
  RSA785743  Brodiaea laxa Carrie A. Herd 1982-5-9 96 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  JEPS110911  Brodiaea leptandra Jake Ruygt 2003-6-7 4537 Napa Mt. George/Foote Botanical Preserve 268 Comment
  JEPS122767  Brodiaea terrestris subsp. terrestris Jake Ruygt 2005-5-16 4851 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. 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
  CDA10912  Bromus carinatus G. F. Hrusa, M. Rejmanek 1993-5-15 11008 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD36562  Bromus carinatus Beecher Crampton 1954-5-6 1830 Napa 5 miles south of Monticello. Comment
  UCD36943  Bromus carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD58266  Bromus carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and Southeast Capell Valley. Comment
  UCD60199  Bromus catharticus var. elatus Peter H. Raven 1957-5-5 10788 Napa Calistoga. 91 Comment
  UC60218  Bromus diandrus Willis L. Jepson Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  HSC9264  Bromus hordeaceus J. V. Lenz 1947-4-19 Napa Calistoga Comment
  UCD58677  Bromus hordeaceus Michael Fleschner 1965-5-13 13 14 Napa In Cedar Valley, north of Lake Berryessa. Off the road from Knoxville to Lower Lake. Comment
  UCD58700  Bromus hordeaceus Beecher Crampton 1965-6-30 7414 Napa Solano-Napa Counties: Summit of Mt. Vaca. Vaca Mtns. 872 Comment
  UCD58810  Bromus hordeaceus R. Tofsrud 1949-5-5 s.n. Napa Near Basalt. Comment
  CAS-BOT-BC155329  Bromus laevipes Peter H. Raven 1951-6-26 3082 Napa Cappell Valley. 365 Comment
  CDA10881  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10976 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS82331  Bromus laevipes Roger Raiche 1982-1-16 20027 Napa n of Napa (along Route 121 (3.5 mi w of intersection with Route 128)); Route 121 Comment
  UCSC000048  Bromus laevipes August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena 4-5 miles South East of Middleton Comment
  SACT000640  Bromus madritensis John Willoughby 1977-4-20 Napa Below and just to the south of Mount Vaca, chaparral 609.6 Comment
  UC1023567  Bromus madritensis subsp. rubens Milo S. Baker 1936-4-8 8177 Napa about 2 mi n of Knoxville Comment
  UCD121145  Bromus pseudolaevipes Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7345 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  UCD121177  Bromus rubens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7357 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD95682  Bromus sterilis Ellen Dean; with Clare Loughran 2011-5-20 7027 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UC1153821  Calamagrostis koelerioides Beecher Crampton 1957-5-16 4045 Napa above Capell Creek (n end of valley); Capell Valley Comment
  JEPS100895  Calamagrostis ophitidis Dean W. Taylor 1998-5-14 16440 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  CAS-BOT-BC233997  Calandrinia breweri John Thomas Howell 1931-4-2 6060 Napa Wooden Valley Grade 5 miles east of Napa Comment
  UCD18041  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 592 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  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
  JEPS48654  Calandrinia ciliata Elsa Kraeger 1926-3-27 Napa Soscol Comment
  UCD100279  Calandrinia ciliata M. R. Wanzer 1948-5-15 21 Napa just south of the judging pavilion, University of California campus, Davis. Comment
  UCD159531  Calendula officinalis D. S. Park 2011-4-11 279 Napa Linda Vista Ave. and Ceriani Ct. Weed in lawn. 33 Comment
  UCD83408  California macrophylla Jake Ruygt 1993-5-1 3240 Napa SW end of Cedar Creek Rd. 438 Comment
  UCD161329  Callitriche heterophylla var. bolanderi Jake Ruygt 1980-6-4 914 Napa Napa County : North end of Soda Canyon Road. (Coordinates estimated by label maker at UC Davis). 414 Comment
  UC146150  Callitriche marginata Joseph P. Tracy May 15 1903-May 18 1903 1870 Napa Napa Valley near Calistoga; Northern Coast Ranges 91 Comment
  POM137263  Callitriche verna C. F. Baker 1903-4-19 1998 Napa St. Helena Comment
  UC1134510  Calochortus amabilis A. Lewis 1932-5-18 96 Napa Dry Creek Napa Quad. 152 Comment
  CAS-BOT-BC488483  Calochortus amabilis David D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE, of Napa. 170 Comment
  CAS-BOT-BC488487  Calochortus amabilis Ira L. Wiggins 1949-4-20 12073 Napa Grassy slope along old toll road between Calistoga and Middletown, about 1.5 miles northeast of Calistoga. Comment
  SEINET5641956  Calochortus luteus Tera Pitman 2004-5-1 7 Napa Mclaughlin UC Reserve. Along Knoxville-Berryessa Rd. west of turn off to old town of Knoxville, north side of road, about 0.5 airline miles west southwest of site of old town of Knoxville.; 0 Comment
  UCD139528  Calochortus luteus A. Amezcua 1995-5-26 25 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  UCD166649  Calochortus luteus Jake Ruygt 1982-7-6 1366 Napa north of American Canyon (Cantoni Canyon). 259 Comment
  UCR24142  Calochortus pulchellus John C. Roos 1939-4-18 278 Napa North Coast Range, Pope Valley Grade, Angwin 500 Comment
Read comments Feb 17 2006
  UCSB638  Calochortus pulchellus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek, 1.8 miles east of end of Conn Lake 76 Comment
  JEPS113983  Calochortus splendens Jake Ruygt 1989-5-7 2304 Napa Ridge sbout 0.5 miles south of Monticello Dam. Monticello Dam 7.5' Quad. Comment
  UC1586108  Calochortus superbus Barbara Ertter with Annetta Carter 1989-5-28 8501 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road, n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  UCD160678  Calochortus superbus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8750 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  HSC34856  Calochortus uniflorus Thomas W. Nelson, James Nelson 1975-5-5 1804 Napa Along the runway of Calistoga airport, Calistoga Comment
  JEPS113986  Calochortus uniflorus Jake Ruygt 1981-5-6 1011 Napa Highway 28, 0.2 mile south of Lower Chiles Valley Road. Chiles Valley 7.5' Quad. Comment
  JEPS17769  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley 91 Comment
  RSA3280  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County 110 Comment
  SEINET3992203  Calochortus uniflorus Unknown 1957-5-5 10736 Napa Field near the hot springs at the airport, Calistoga Comment
  UC843712  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  UCD139598  Calochortus uniflorus M. Wiesendanger 1928-4-5 868 Napa Calistoga. Comment
  UCD169871  Calochortus vestae Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 806 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  CAS-BOT-BC496926  Calochortus vestae David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  UCD166654  Calochortus vestae Jake Ruygt 1993-6-12 3285 Napa Lewelling Ranch, west end of Lewelling Lane. 170 Comment
  CAS-BOT-BC270824  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles N of Spanish Flat on Knoxville - Berryessa Road 152 Comment
  JEPS38539  Calycadenia pauciflora W. L. Jepson 1916-8-6 6831 Napa Howell Mt. Comment
  UCD129824  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa junction of Lower Chiles Valley and Pope Valley Roads, Comment
  RSA255582  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 miles NW of Knoxville on Morgan Valley Road 457 Comment
  UCD129850  Calycadenia pauciflora Gerald D. Carr 1972-9-14 734 Napa 1.5 miles east of Howell Mountain Road on Conn Valley Road. 121 Comment
  UCD129902  Calycadenia pauciflora Gerald D. Carr 1971-9-20 665 Napa 0.8 mile southeast of Berryessa-Knoxville Road on Hwy 128. 213 Comment
  HSC65076  Calycanthus occidentalis J. P. Smith, J. O. Sawyer 1970-5-17 3771 Napa 3 mi. S of Pope Valley Comment
  JEPS20255  Calycanthus occidentalis W. L. Jepson 1942-11-1 20747 Napa Yankee Creek Comment
  RSA23335  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  UCD167154  Calystegia occidentalis Jake Ruygt 2015-5-13 6102 b Napa East of Zim- Zim Creek parking lot. 350 Comment
  UCD160804  Calystegia occidentalis subsp. occidentalis Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8684 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD161217  Calystegia occidentalis subsp. occidentalis Jake Ruygt 1980-6-22 937 Napa 1 mile N of Snell Valley Rd. on Butts Canyon Rd. 207 Comment
  SJSU8780  Calystegia purpurata J. C. Gibbany 1960-4-30 83 Napa Redwood Rd, 7 mi NW of Napa Comment
  JEPS106401  Calystegia purpurata subsp. purpurata Jake Ruygt 1986-4-5 1682 a Napa north of Elkhorn Peak on county line 458 Comment
  HSC43993  Camissonia hirtella Robert M. Specht 1977-4-15 668 Napa Near edge of Rd. to Adams Creek 409 Comment
  RSA186745  Camissonia hirtella Peter H. Raven 1965-5-15 20206 Napa Nevada Creek, 5 miles SSE of Knoxville 335 Comment
  JEPS122758  Camissoniopsis hirtella Jake Ruygt 2007-5-17 5176 Napa Duff Ranch, NW of Potato Hill. Quad: Calistoga. Comment
  UCD54565  Camissoniopsis hirtella K. Walker; PLB 102 2006-5-13 7 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UCSB4470  Camissoniopsis intermedia Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Cape 11 Valley, 3.2 miles west of junction of the road with California Highway #37 213 Comment
  JEPS106556  Campanula angustiflora Jake Ruygt 1989-5-13 2326 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 Comment
  JEPS101436  Campanula griffinii Dean W. Taylor 1998-6-18 16676 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  JEPS106559  Campanula griffinii Jake Ruygt 1996-4-27 3632 Napa Chiles Valley Road about 1/4 mile north Turtle Rock. 384 Comment
  CAS-BOT-BC37119  Capsella bursa-pastoris R. E. Frenkel 1963-10-27 298 Napa In the vineyard north of Oakville Cross Road. 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
  UCD114140  Capsella bursa-pastoris David Lawfer 1952-3-11 107 Napa Napa. Comment
  UC583409  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa 4 mi n Calistoga (Mayacama Mountains, Crater Region); Mayacama Mountains, Crater Region, n of Calistoga Comment
  POM225547  Cardamine californica var. integrifolia J. T. Howell 1931-4-3 6150 Napa Near summit of Butts Canyon Road, to Middletown from Aetna Springs. Comment
  POM369327  Cardamine californica var. integrifolia Dr H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. Comment
  UCD18023  Cardamine hirsuta Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 569 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD83862  Cardamine hirsuta Ellen Dean; Stephen Rae 2010-3-15 5820 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCD19950  Cardamine oligosperma E. A. Dean; Virginia Boucher 2002-2-28 891 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  JEPS53318  Cardaria draba John Thomas Howell 1926-4-3 1781 Napa near Yountville Comment
  CAS-BOT-BC281734  Carduus pycnocephalus Thomas H. Kearney 1948-5-22 s.n. Napa Roadside near Napa Comment
  SJSU11852  Carduus pycnocephalus subsp. pycnocephalus J. C. Gibbany 1960-4-30 Napa 7 mi NW of Napa on Redwood Road Comment
  UCD159927  Carduus pycnocephalus subsp. pycnocephalus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC18182  Carex John H. Thomas 1969-4-29 15029 Napa Between road and railroad tracks at Yountville. Comment
  JEPS75641  Carex barbarae W. L. Jepson 1936-5-30 17560 Napa Rutherford, Napa Valley Comment
  UCD161684  Carex bolanderi Jake Ruygt 2008-6-22 5352 Napa Aetna Mine Road at James Creek. 307 Comment
  CAS-BOT-BC35075  Carex densa Peter H. Raven 1951-6-24 3017 Napa Brown's Valley. 91 Comment
  JEPS75642  Carex densa W. L. Jepson 1936-5-30 17564 Napa Rutherford Napa Valley Comment
  UCD161534  Carex densa Jake Ruygt 1990-4-14 2482 Napa Wooden Valley, north end of Wild Horse Valley Ranch. 195 Comment
  JEPS121349  Carex dudleyi Jake Ruygt 1996-4-20 3619 c Napa Jameson Canyon Vineyards entry road. Comment
  JEPS121343  Carex dudleyi Jake Ruygt 2006-5-7 5015 Napa Las Posadas State Forest. Comment
  CAS-BOT-BC19982  Carex feta Joseph Prince Tracy 1938-6-6 15845 Napa Napa Valley. Between Napa City and Yountville. 30 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
  UCD168526  Carex multicostata 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
  UC483315  Carex nudata Ira L. Wiggins 1932-3-12 5753 Napa 1 mi N of Calistoga (N Fork of Napa River) Comment
  CAS-BOT-BC119514  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  RSA0011231  Carex nudata Lyman Benson 1930-3-31 35 Napa Town: Middletown (Lake Co); Mt. Range: N Coast; Mt. St. Helena at Lake Co. line. 518 Comment
  UCD161614  Carex nudata Jake Ruygt 2002-3-23 4370 Napa Snell Valley, Missimer Wildflower Preserve. 219 Comment
  JEPS121327  Carex praegracilis Jake Ruygt 2002-4-1 4382 Napa Bothe State Park, north of office; parking area. Comment
  CAS-BOT-BC117618  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon 304 Comment
  UC1152079  Carex serratodens Joseph P. Tracy 1950-5-19 18655 Napa Conn Valley Reservoir Comment
  UCD95689  Carex subfusca Ellen Dean; with Clare Loughran 2011-5-20 7035 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  CAS-BOT-BC115550  Carex tumulicola Peter H. Raven 1951-6-24 3023 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UCD164754  Carex tumulicola Jake Ruygt 2014-5-19 5949 Napa Sutro Ranch, Atlas Peak. 722 Comment
  RSA734130  Castilleja Keith E. Hoffmaster 1946-3-23 1242 Napa Napa range, along Napa-Monticello road. Comment
  CAS-BOT-BC248977  Castilleja John Thomas Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range Comment
  POM203724  Castilleja affinis J. T. Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  JEPS54488  Castilleja affinis subsp. affinis Robert Cruden 1967-5-27 1247 Napa 3 mi ne Angwin (Ink Grade) 487 Comment
  JEPS86604  Castilleja affinis subsp. affinis L. R. Heckard with Jake Ruygt 1987-5-10 6660 Napa ca 0.25 mi ne Quarry (ne of Vallejo) (n-facing side American Canyon Ridge); American Canyon Ridge Comment
  SEINET4392935  Castilleja affinis subsp. neglecta Laney Widener 2013-1 Napa Comment
  JEPS110631  Castilleja ambigua subsp. ambigua Jake Ruygt 1985-5-18 1598 Napa Foss Valley 435 Comment
  JEPS103916  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7835 Napa Near summit between Calistoga and Middletown. Comment
  JEPS5853  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa 10 mi w Winters (In Putah Canyon above Recreation Beach); Putah Canyon Comment
  JEPS9878  Castilleja attenuata C. F. Sonne Apr 1888 Napa Comment
  UCD148788  Castilleja attenuata Ellen Dean; Diana Hickson 2014-4-29 8096 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS10088  Castilleja densiflora subsp. densiflora Rachael Wilson 1944-5-9 Napa Conn Valley Comment
  UCD19866  Castilleja exserta C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1199 Napa Lower slopes of Mount St. Helena, view spot north of Calistoga, along Hwy 29. Comment
  CDA11898  Castilleja foliolosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11722 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  HSC81972  Castilleja foliolosa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5151 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  UC1537568  Castilleja foliolosa Gordon H. True Jr. 1937-6-21 730 Napa Mt. George 304 Comment
  UC1238981  Castilleja minor subsp. spiralis Freed W. Hoffman 1950-6-30 3707 Napa e of Indian Valley; North Coast Ranges, Complexion Canyon Comment
  CDA41394  Castilleja rubicundula A. C. Browne 1953-5-27 s.n. Napa Calistoga. 0 Comment
  JEPS100900  Castilleja rubicundula subsp. lithospermoides Dean W. Taylor 1998-5-14 16435 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  UC1222458  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1933-6-2 12485 Napa 3-4 mi e Angwin's (on hills at Head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Head of Moore's Cree 365 Comment
  JEPS58624  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1894-11-5 Napa Bottle Mt. Napa River Basin, St. Helena Comment
  RSA298950  Ceanothus cuneatus Edward Lee 1936-3-15 1824 Napa Butt's Canyon (trip from Rutherford to Pope Valley) Comment
  RSA399087  Ceanothus cuneatus Bonnie C. Templeton 1957-6-26 s.n. Napa Between Calistoga and Petrified Forest Comment
  SFV5087  Ceanothus cuneatus B. C. Templeton 1957-6-26 s. n. Napa Between Calistoga and Petrified Forest. Comment
  UC1607873  Ceanothus cuneatus C. G. Nast 1936-3-27 57 Napa Berryessa Valley Comment
  UCD170215  Ceanothus cuneatus Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 742 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 330 Comment
  JEPS110719  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-5-18 2679 Napa Cooksley Lake, Friesen's lakes, Angwin 612 Comment
  UC1328142  Ceanothus cuneatus var. cuneatus Donald V. Hemphill 1940-3-22 45 Napa 2 mi w Angwin (Bell's Canyon) 518 Comment
  CAS-BOT-BC49113  Ceanothus cuneatus var. ramulosus Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa asylum Comment
  CAS-BOT-BC49790  Ceanothus divergens Lewis S. Rose 1964-4-2 64017 Napa 2 mi. sw. of Angwin 243 Comment
  CAS-BOT-BC49793  Ceanothus divergens D. O. Burge; S. Ray 2009-1-15 Dylan O. Burge 1021 b Napa south of Kortum Canyon, near the border of Napa County with Sonoma County 240 Comment
  CAS-BOT-BC49802  Ceanothus divergens T. S. Brandegee 1889-4-1 74 Napa Mt. St. Helena Comment
  POM136489  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  UCD112124  Ceanothus foliosus Beecher Crampton 1962-10-9 6693 Napa 3.5 miles southwest Angwin, Howell Mountain Road. Comment
  UCD112127  Ceanothus foliosus Ray Prag 1971-1-31 180 Napa near Las Posadas State Forest. Comment
  CAS-BOT-BC50921  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12260 Napa Mt. St. Helena trail Comment
  SBBG32462  Ceanothus foliosus var. foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 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
  RSA10662  Ceanothus foliosus var. vineatus Carl B. Wolf 1928-5-3 s.n. Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UC424875  Ceanothus incanus Milo S. Baker 1929-3-27 3423 b Napa North slope Mt. St. Helena along hwy Comment
  JEPS110716  Ceanothus integerrimus Jake Ruygt 1998-6-6 4015 Napa Devilshead Road near ranch. 463 Comment
  SBBG50584  Ceanothus integerrimus C. Laning 1973-4-21 108 -54 Napa 7 mi N of Pope Valley Post Office on Butts Cyn Rd Comment
  UCD112504  Ceanothus integerrimus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs. Comment
  UCD169651  Ceanothus integerrimus Jake Ruygt 2010-5-6 5546 Napa Snell Valley Road ant [sic] Butts canyon Rd. 198 Comment
  CAS-BOT-BC50635  Ceanothus jepsonii Ira L. Wiggins 1949-4-30 12095 Napa Hillside along road from Calistoga to Middletown near Lake County line. Comment
  CAS-BOT-BC50636  Ceanothus jepsonii Ella Dales Cantelow 1939-4-8 2525 Napa 3 1/2 mi. n.w. of Knoxville Comment
  CAS-BOT-BC50639  Ceanothus jepsonii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  UC1005696  Ceanothus jepsonii Frank W. Gould 1939-4-7 621 Napa 1 mi n Knoxville (on rd to Lower Lake) 457 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
  UCD112061  Ceanothus jepsonii G. F. Hrusa 1995-4-2 12049 Napa Along Hwy 128 approx. 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W. of Nichellini Winery. 250 Comment
  UCD112065  Ceanothus jepsonii D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  UCR23540  Ceanothus jepsonii John C. Roos 1939-2-28 306 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CDA11425  Ceanothus jepsonii var. albiflorus G. F. Hrusa, M. Tu 1995-5-6 12148 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  JEPS20110  Ceanothus jepsonii var. albiflorus W. L. Jepson 1915-4-23 6263 Napa Chiles Creek hills Napa Range Comment
  UCD123958  Ceanothus jepsonii var. albiflorus D. O. Burge and C. Miller 2007-6-12 940 e Napa Mayacamas Mountains, at roadside on Livermore Road, near Rattlesnake Spring, 0.6 road miles (1.0 km) west of SR 29, 10.5 km 356 deg. (True) NNW of Calistoga. 535 Comment
  RSA0056202  Ceanothus jepsonii var. purpureus Keith E. Hoffmaster 1946-3-23 1226 Napa Napa range, near summit of Napa-Monticello road. Comment
  JEPS110857  Ceanothus oliganthus var. sorediatus Jake Ruygt 1979-4-21 537 Napa Milliken Canyon 121 Comment
  JEPS42216  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-25 14005 Napa w St. Helena (Caux's Knob) Comment
  CAS-BOT-BC53180  Ceanothus parryi Peter H. Raven 1950-5-6 2031 Napa Shaded s. limits of Calistoga on Rt. 28 60 Comment
  CAS-BOT-BC53212  Ceanothus parryi Gilbert Muth 1967-4-9 613 Napa Kidd Canyon, brushy hillside 518 Comment
  CAS-BOT-BC53225  Ceanothus parryi John Thomas Howell 1931-4-2 6057 Napa Wooden Valley Grade 4.5 miles east of Napa Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  SBBG68834  Ceanothus parryi M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  UC18397  Ceanothus parryi Willis L. Jepson 1894-10-14 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC762309  Ceanothus parryi R. F. Hoover 1944-4-27 4946 Napa East side of Mt St. Helena Comment
  UCSB16719  Ceanothus parryi Van Rensselaer, Maunsell 1938-4-26 Napa Wooden Valley Grade Comment
  UCD112669  Ceanothus prostratus G. Ledyard Stebbins Jr. 1964-5-24 6158 Napa Summit of ridge above Aetna Springs. 822 Comment
  CAS-BOT-BC52181  Ceanothus purpureus Herbert L. Mason 1924-1-22 1200 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52195  Ceanothus purpureus Mrs. H. C. Hand 1913-6-8 s.n. Napa Napa mountains Comment
  CAS-BOT-BC83730  Ceanothus purpureus D. O. Burge; Kari B. Schroeder 2008-3-7 978 b Napa S of Lake Hennessey, 1.8 road miles (2.9 km) S of SR 128 370 Comment
  JEPS110729  Ceanothus purpureus Jake Ruygt 1977-3-7 147 Napa east of east end of Westgate Dr., Silverado 274 Comment
  JEPS2521 Image available Ceanothus purpureus W. L. Jepson 1893-4-28 Napa Mt. George gorges n of; Napa River Basin; Mt. George, Napa River Basin Comment
  JEPS42097  Ceanothus purpureus Willis L. Jepson 1893-9-21 14028 Napa Napa Range on Wooden Valley grade Napa River Basin Comment
  LA44990  Ceanothus purpureus Henry Reents; 1936-5-1 sn Napa Along Monticello Rd., 5 mi. out of Napa Comment
  UCD112677  Ceanothus purpureus Beecher Crampton 1963-9-25 6907 Napa Summit Howell Mtns. State Hwy. 37 east of Napa. Comment
  UCD112681  Ceanothus purpureus J. Street 1950-4-24 s.n. Napa 4 miles north of Napa, 2 feet high. Comment
  POM202749  Ceanothus ramulosus I. L. Wiggins 1932-3-12 5766 Napa Hillside between Calistoga and Franz Valley. Comment
  UCD112700  Ceanothus sonomensis Heidi E. M. Dobson 1978-4-2 294 Napa East slope of Mt. Veeder. Comment
  UC79913  Ceanothus velutinus T. S. Brandegee 1889-4 3 Napa Toll House Mt. St. Helena Comment
  JEPS7801  Centaurea cyanus Peter H. Raven 1951-6-26 3051 Napa Wooden Valley Grade 121 Comment
  CAS-BOT-BC277208  Centaurea solstitialis R. E. Frenkel 1963-10-27 297 Napa In the vinyard north of Oakville Cross Road Comment
  JEPS106532  Centaurium muehlenbergii Jake Ruygt 1982-6-21 1337 Napa Suscol plain between Kaiser Steel and HWY 29 (221) 4 Comment
  UCD83404  Centaurium tenuiflorum Jake Ruygt 2004-10-10 4682 Napa 0.1 mi N of Wine Country Rd. on Solano Ave. 22 Comment
  JEPS106529  Centaurium trichanthum Jake Ruygt 1982-7-18 1370 Napa Cedar Roughs near Guilliam Springs 231 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
  UC22688  Centaurium trichanthum H. N. Bolander 1863-1 2652 Napa Pope Valley Comment
  JEPS46950  Centaurium trichanthum Willis L. Jepson 1892-7-28 14639 Napa near Knoxville Comment
  SEINET10741264 Image available Centaurium trichanthum Charles C. Parry Parry s.n. Napa Calistoga. Comment
  JEPS106657  Centromadia fitchii Jake Ruygt 1981-7-31 1086 Napa Suscol plain SE of Kaiser Steel 3 Comment
  CAS-BOT-BC288606  Centromadia fitchii James I. McMurphy 1909-8-7 698 Napa Between Mt St Helena Pass and Calistoga Comment
  UC726515  Centromadia parryi subsp. parryi A. A. Heller 1941-9-22 Napa Calistoga Comment
  UC894333  Centromadia parryi subsp. parryi Milo S. Baker 1931-7-9 5348 Napa flat near Calistoga Geyser Comment
  UC523517  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi s of Napa Comment
  SBBG7283  Cephalanthus occidentalis J. M. Tucker 1941-9-20 398 Napa mtns between Monticello and Pope Valley Comment
  UCD164822  Cephalanthus occidentalis Jake Ruygt 2012-6-30 5870 Napa Putah Creek, north of Crystal Flats. 195 Comment
  UCD48853  Cerastium glomeratum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 16 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Between West Rd. and Decker Bay Trail; approx. 200' NW of jct of West Rd. and Decker Bay Trail; approx. 300' N of creek. 167 Comment
  UCD48855  Cerastium glomeratum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 29 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-0ff Rd. 152 Comment
  CAS-BOT-BC388230  Cerastium glomeratum Peter H. Raven 1953-4-2 5233 Napa Imola 60 Comment
  UCD98040  Cerastium glomeratum K. Esau 1939-5-1 s.n. Napa Napa Valley. Comment
  LA45606  Cercis occidentalis Ethel Crum; 1937-8-8 1956 Napa Putah Creek Canyon, 7 mi. SE of Monticello Comment
  POM247249  Cercis occidentalis E. K. Crum 1937-8-8 1956 Napa Putah Canyon Creek, seven miles southeast of Monticello. Comment
  RSA195520  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  CAS-BOT-BC135482  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13063 Napa Wooden Valley Grade 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
  UC859435  Cercocarpus betuloides var. betuloides Alice Eastwood, John Thomas Howell 1937-4-4 3831 Napa Grade e of Napa (Wooden Valley); Wooden Valley 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
  CAS-BOT-BC284568  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1931-4-19 6459 Napa Conn Valley Comment
  CAS-BOT-BC284573  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1952-5-26 4060 Napa Nr. Walter's Springs 170 Comment
  UC410440  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 Napa canyon between Monticello and Pope Valley Comment
  UCD41324  Chaenactis glabriuscula var. heterocarpha Ellen Dean; T. and M. Starbuck 2004-4-3 2000 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  JEPS106425  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1978-10-22 425 Napa .3 miles north of Airport Rd., Sheehy Cr 6 Comment
  JEPS115779  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  SBBG128695  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa below high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera Parking Area at NE end of causeway on S side of Berryessa Knoxvill Rd, ca. 20 mi (air) NW of Winters 130 Comment
  CAS-BOT-BC462546  Cheilanthes Alice Eastwood 1922-5-4 11269 Napa Mt. St. Helens Comment
  JEPS116553  Cheilanthes covillei Jake Ruygt 2003-3-22 4478 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC70163  Cheilanthes gracillima John Thomas Howell 1926-3-28 1763 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC68160  Cheilanthes intertexta Peter H. Raven 1951-6-10 2921 Napa Crater Region e. of Palisades 762 Comment
  JEPS106825  Chenopodium ambrosioides Jake Ruygt 1978-9-19 416 Napa Napa River south of Trancas St., Napa 3 Comment
  JEPS59699  Chenopodium ambrosioides W. L. Jepson 1922-10-22 9835 Napa St. Helena Napa River (river bed) Comment
  JEPS106820  Chenopodium berlandieri Jake Ruygt 1986-7-12 1867 Napa Imola Ave, east of Maxwell Bridge,Napa 2 Comment
  UCD161537  Chenopodium berlandieri Jake Ruygt 1991-8-24 2834 Napa Napa River at Bale Lane. 80 Comment
  UCD148777  Chenopodium californicum Jake Ruygt 2005-2-12 4695 Napa Napa County; Berryessa Knoxville Road at south entry into Knoxville Wildlife Area. 234 Comment
  JEPS129032  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 2016-5-14 6257 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UC1197670  Chlorogalum pomeridianum var. pomeridianum J. P. Tracy 1899-7-6 451 Napa head Moore's Creek (3-4 mi e of Angwin's; Howell Mountain); , head of Moore's Creek 365 Comment
  CAS-BOT-BC238001  Chloropyron molle subsp. molle Peter H. Raven 1952-8-26 5138 Napa Nr. Bentley Wharf 15 Comment
  CAS-BOT-BC256931  Chorizanthe membranacea Peter H. Raven 1951-6-10 2945 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC256932  Chorizanthe membranacea W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts Comment
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  UCD99749  Chorizanthe membranacea K. Esau; E. Hyde 1938-5-5 s.n. Napa Napa County. Comment
  JEPS120318  Chorizanthe stellulata Jake Ruygt 1993-5-22 3265 Napa On private road across from James Creek Road at Butts Canyon Road. Aetna Springs 7.5' Quad. Comment
  JEPS120358  Chorizanthe stellulata Jake Ruygt 2010-5-13 5550 Napa Snell Valley, Missimer Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  UCD159451  Cichorium intybus D. S. Park 2010-8-5 207 -2 Napa East of Lake Hennessey. Rt. 128, Sage Canyon Rd. Disturbed, roadside. 102 Comment
  CAS-BOT-BC285219  Cichorium intybus John Thomas Howell 1940-5-19 15443 Napa Near Napa Comment
  UCD170288  Cirsium douglasii var. douglasii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 828 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  CAS-BOT-BC286573  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7427 Napa Hood Mt. Range sw. of Oakville Comment
  JEPS59276  Cirsium occidentale var. venustum W. L. Jepson 1923-4-29 9890 Napa St. Helena Comment
  CAS-BOT-BC288695  Cirsium remotifolium John Thomas Howell 1941-6-21 16314 A Napa Hills SW of St Helena Comment
  CDA1556  Cirsium remotifolium var. odontolepis H. Stabo 1975-6-12 s.n. Napa St.Helena; 4001 Spring Mountain Rd.; (County line, Sec. 30 is in Sonoma Co.). 0 Comment
  UCD20709  Cirsium vulgare Mark Bibbo 2002-7-28 79 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  RSA594918  Clarkia John H. Thomas 1955-5-21 5112 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  UCR260821  Clarkia arcuata M. Kauffman 1997-5-28 24 Napa North Coast Range, 0.3 mi. west of Berryessa-Knoxville Rd. on 128, 5.2 miles west of 121 & 128 junction, mile marker 18.71 on 128 366 Comment
  UCD160214  Clarkia concinna James A. Neilson Jr. 1974-5-5 2927 Napa Oakville Grade and Dry Creek Road. (Elevation and coordinates estimated by label-maker using topo map.) 175 Comment
  UCD37324  Clarkia concinna Beecher Crampton 1959-5-26 5265 Napa North end of Capell Valley, Capell Creek. Comment
  UCD67522  Clarkia concinna D. Sanchez-Mata 1996-6-15 s.n. Napa Lake Berryessa. Capell Valley. 320 Comment
  CAS-BOT-BC172174  Clarkia concinna William Fottrell 1906-7-1 s.n. Napa Napa redwoods. Comment
  CAS-BOT-BC172176  Clarkia concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River at the Mill House, 6.4 mi. S.W. of Middletown Comment
  CAS-BOT-BC172180  Clarkia concinna J. H. Thomas; H. A. Thomas 1954-6-16 541 Napa Mt. Veeder Rd., about 8 miles NW of Napa, along the north fork of the Napa River Comment
  CDA38053  Clarkia concinna W. C. Jacobsen Jun 1920 57 Napa Calistoga. 0 Comment
  UC130893  Clarkia concinna subsp. concinna Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  UCD104446  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128, ca. 2 miles E of Lower Chiles Valley Road. 300 Comment
  UCSC009023  Clarkia concinna subsp. concinna Dylan M. Neubauer 2015-4-24 125 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  SFV8362  Clarkia gracilis F. P. Guerrero 1961-5-14 22 Napa North Coast Ranges North slope of mountain near Lake Berryessa. 244 Comment
  CAS-BOT-BC164629  Clarkia gracilis subsp. gracilis Peter H. Raven 1952-5-26 4041 Napa St. Helena to Howell Mt. 304 Comment
  RSA10703  Clarkia gracilis subsp. gracilis Carl B. Wolf 1928-5-3 1784 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA209533  Clarkia gracilis subsp. gracilis Betty H. Johnson 1958-6-15 624 Napa 6.4 miles SW of Middletown Comment
  CAS-BOT-BC162478  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5-22 120 Napa Mountain slopes from Calistoga, to the Toll House Comment
  JEPS110732  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1998-6-24 4052 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  UCD81814  Clarkia purpurea subsp. quadrivulnera Ellen Dean 2009-4-24 5441 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  RSA92804  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills west of Oakville 122 Comment
  UCD167273  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1992-5-25 3001 Napa West side of south lake, Wild Horse Valley Ranch. 457 Comment
  UCD32412  Clarkia purpurea subsp. quadrivulnera Beecher Crampton 1950-5-7 566 Napa E side of Napa Valley and SE of St. Helena, roadside of Silverado Trail. 54 Comment
  CAS-BOT-BC164761  Clarkia rhomboidea Peter H. Raven 1951-5-26 s.n. Napa Howell Mtn just above Pope Valley Comment
  UCR198056  Clarkia unguiculata Lisa Montany 1985-6-1 30 Napa Inner North Coast Range, Hwy 128, 3 mi west of Monticello Dam 213 Comment
  SEINET4149835  Clarkia unguiculata R. R. Halse 1989-5-13 3830 Napa Along State Hwy 29 on the Calistoga Grade, ca. 2.5 miles N of Calistoga 228 Comment
  JEPS112617  Claytonia exigua subsp. exigua Jake Ruygt 1998-4-22 3932 Napa Tributary to Cement Creek. 228 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
  UC412632  Claytonia gypsophiloides H. P. Chandler 1907-4-28 7552 Napa Santa Rosa to Calistoga Comment
  UCD49150  Claytonia parviflora subsp. parviflora L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 12 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream, SE of the intersection of North and South Decker Canyon Rds. 3 ft. from stream, in shade. Comment
  CAS-BOT-BC439793  Claytonia perfoliata Betty H. Johnson 1958-6-15 635 Napa 1/2 mi. above Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  UCD15052  Claytonia perfoliata F. Takeda 1977-4-24 41 Napa Scagg Canyon, along Highway 128, 6.4 miles southwest of Monticello Dam. 182 Comment
  CAS-BOT-BC440045  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1918-5-1 s.n. Napa Mt. St. Helena Comment
  UCD49146  Claytonia perfoliata subsp. perfoliata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 B Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  UCD95609  Clematis lasiantha Lynn B. Hendrix 1962-5-5 43 Napa South end of Lake Berryessa. Comment
  JEPS55205  Clematis ligusticifolia Alice King July 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  UC917146  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11 1/2 mi. from Winters (on rd. to Monticello) Comment
  UCD73054  Clinopodium douglasii Ellen Dean; S. Rae 2008-5-21 4973 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  CHSC22322  Collinsia grandiflora Robert A. Schlising; Greg Bos 1963-3-30 2473 Napa Coast Ranges. Pope Valley Road, 5.8 miles north of junction with Lower Chiles Valley Road. Comment
  JEPS112523  Collinsia greenei Jake Ruygt 1983-6-12 1493 Napa Mt. St. Helena, Red Hill 624 Comment
  UC483682  Collinsia greenei Milo S. Baker 1932-4-26 5965 Napa between Monticello and Pope Val (on Monticello rd to Pope Val, nearer to Pope Val than to Monticello) Comment
  UC735041  Collinsia greenei Lincoln Constance, John F. Davidson, Ren Hwa Shan, & W. Herbert Wagner 1946-5-18 3046 Napa near Mount St. Helena Inn (se slope of Mount St. Helena); Mount St. Helena Comment
  CDA10866  Collinsia heterophylla G. F. Hrusa, M. Rejmanek 1993-5-15 10961 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  HSC44029  Collinsia heterophylla Robert M. Specht 1977-5-14 887 Napa Near Jct. of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  JEPS7321  Collinsia heterophylla Rachel Wilcox 1944-5-9 Napa Conn Valley Comment
  JEPS7345  Collinsia heterophylla W. L. Jepson 1944-5-21 27527 Napa Adam-and-Eve Ridge Howell Mountain (valley at w base) Comment
  POM114307  Collinsia heterophylla Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC1196848  Collinsia heterophylla J. P. Tracy 1902-5-21 1572 Napa 3-4 mi e of Angwins (Howell Mountain, Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 457 Comment
  UCD18158  Collinsia heterophylla Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  JEPS7343  Collinsia heterophylla W. L. Jepson 1938-5-18 18795 Napa above St. Helena Sanitarium; Howell Mt. 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
  HSC20618  Collinsia sparsiflora Greg Bos 1963-3-30 63 Napa 27 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  RSA264960  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 6118 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  JEPS6350  Collinsia sparsiflora var. arvensis H. M. Wheeler 1944-3-27 Napa ca 1.8 mi n of s end of Conn Valley (Conn Ranch) Comment
  POM15100  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Calistoga. Comment
  POM126052  Collinsia sparsiflora var. bruceae Alice Eastwood 1923-5-9 11751 Napa Mount St. Helena. Comment
  JEPS112529  Collinsia sparsiflora var. collina Jake Ruygt 1982-5-16 1268 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 420 Comment
  UC1301186  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-17 5224 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UCD123676  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1995-4-2 12046 Napa Franz Valley School Road, approximately 1 mile east of Napa/Sonoma county line. 200 Comment
  UCD123680  Collinsia sparsiflora var. sparsiflora P. J. Salamun 1974-4-20 7078 Napa Snell Valley, quadrangle near Pope Valley. 182 Comment
  UCD170150  Collinsia sparsiflora var. sparsiflora Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 736 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 Comment
  JEPS85056  Collinsia sparsiflora var. sparsiflora Larry Heckard, Mary Ashton 1969-5-3 2200 Napa 7 mi ne of Napa (Mead Ranch off the Atlas Peak Road); Mead Ranch 457 Comment
  JEPS112526  Collinsia tinctoria Jake Ruygt 1978-5-14 312 Napa .6 mile north of Oakville Cross Rd. on Silverado Trail 121 Comment
  JEPS7296  Collinsia tinctoria Alice King Jul 1919 Napa Van Ness Ranch , Mt. St. Helena (Mt. St. Helena) Comment
  UC147867  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); Northern Coast Ranges, Napa Valley 91 Comment
  CDA10847  Collomia diversifolia G. F. Hrusa, G. L. Stebbins 1994-4-18 11784 A Napa North Coast Biodiversity Arena; Swartz Cyn. Rd, approx. 2 m. NW of Aetna Springs. 228 Comment
  JEPS101660  Collomia diversifolia Dean W. Taylor 1998-5-20 16448 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  JEPS122712  Conyza bonariensis Jake Ruygt 1995-6-5 3487 Napa About 1.5 miles SE of Sage Canyon Road from boat dock. Quad: Yountville. Comment
  JEPS106937  Conyza canadensis Jake Ruygt 1992-8-31 3134 Napa west side of Leoma Lakes, Wild Horse Valley Ranch 405 Comment
  JEPS115762  Conyza floribunda Lowell Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winter 133 Comment
  UC673560  Corallorhiza striata H. L. Mason 1926-3-22 2787 Napa near base of grade from Calistoga to Petrified Forest Comment
  UCD123104  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  JEPS62604  Cordylanthus pilosus subsp. pilosus T. I. Chuang with Fei-Mei Chuang 1970-8-25 6841 Napa 1 mi nw St. Helena (on US Hwy 29) Comment
  JEPS6778  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1893-9-23 21338 Napa near Calistoga; Upper Napa Valley, Napa River Basin Comment
  JEPS69349  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang and Carl Chuang 1972-7-22 7073 Napa 2 mi n St. Helena (summit of route 29) Comment
  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
  HSC90863  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa Just S of the Napa and Lake Co. line, on Hwy. 29 Comment
  JEPS80611  Cordylanthus tenuis subsp. brunneus Glenn Clifton 1981-5-27 7848 Napa ca 1 mi sw Knoxville (Devilhead Rd and junction to Hunting Creek) Comment
  UC146880  Cordylanthus tenuis subsp. brunneus Katharine Brandegee 1910-1 Napa near Angwin Comment
  UC1744860  Coreopsis tinctoria John L. Strother 2000-7-2 1364 Napa 1.5 mi SSW of Napa (along eastern shoulder of Route 29, ca. 300 m s of Route 12 West) 20 Comment
  JEPS50114  Cornus glabrata W. L. Jepson 1893-9-21 14149 Napa Wooden Valley Comment
  JEPS50117  Cornus glabrata W. L. Jepson 1924-5-8 10416 Napa e. Napa Co., Pope Creek Comment
  UC1280738  Cornus glabrata H. E. McMinn 1922-6-8 203 Napa along rd. by stream from Monticello to Napa; Napa Mts., Pope Creek Comment
  UC142942  Cornus greenei Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
Read comments Feb 20 2009
  CAS-BOT-BC209418  Cornus nuttallii Rimo Bacigalupi 1926-3-28 1267 Napa In canyon just below Mt. St. Helena Inn (Mollie Patton's). Lower slopes of Mt. St. Helena 670 Comment
  JEPS50159  Cornus nuttallii W. L. Jepson 1924-4-27 10385 a Napa Mt. St. Helena Comment
  UCSB19154  Cornus nuttallii Rankine, Jane 1965-4-13 Napa 4 miles east of Pope Valley; on the road between Pope Valley and Anqwin Comment
  CAS-BOT-BC180343  Corylus cornuta subsp. californica Alice Eastwood 1915-6-5 4653 Napa Calistoga Comment
  UCD110076  Corylus cornuta subsp. californica Baki Kasapligil 1964-4-11 3458 Napa Angwin 7 miles east of St. Helena, Howell Mt. Ca. 1700 along creek. Comment
  SEINET3817855  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa In dry bed of small vernal pool near top of a hill, beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga Comment
  UCD130915  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga. Comment
  JEPS122997  Crypsis schoenoides Jake Ruygt 1986-6-21 1829 Napa East end of Suscol Road, under the Southern Crossing. Quad: Cuttings Wharf. Comment
  UC1950066  Crypsis schoenoides Barbara Ertter with Elizabeth Neese 1988-10-2 7958 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; S side Rt 128 across from spillway Comment
  JEPS100375  Cryptantha hispidula Dean W. Taylor 2001-5-15 17651 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UCD170153  Cryptantha hispidula Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 786 Napa Knoxville Wildlife Area, near top of ridge above and west of Berryessa-Knoxville Road 558 Comment
  UCD70466  Cryptantha hispidula B. Wengeler 1995-4-30 s.n. Napa West of city of Winters, 2 m N of hwy 128 along Knoxville Rd. Open hillside of rocky, serpentine soil. Annual, 9 in tall. Flowers white. 183 Comment
  UC1278106  Cryptantha hispidula Beecher Crampton 1955-4-7 2442 Napa 0.5 mi nw Knoxville (ne Napa County) Comment
  UC726222  Cryptantha hispidula A. A. Heller 1941-5-16 16126 Napa w of Knoxville (near the summit of the first ridge) Comment
  UCD74364  Cryptantha hispidula Jake Ruygt 1991-5-25 2697 Napa Paradise Valley. 274 Comment
  JEPS67644  Cryptantha intermedia Willis L. Jepson 1897-5-2 21096 Napa St. Helena Comment
  SD106148  Cryptantha intermedia W. L. Jepson 1938-5-25 18 861 Napa Bell Canyon, Howell Mountain, Napa Range 580 Comment
  JEPS106740  Cryptantha microstachys Jake Ruygt 1995-4-29 3452 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  UCD74372  Cryptantha microstachys Jake Ruygt 1989-6-3 2358 Napa About 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  JEPS120430  Cryptantha muricata Jake Ruygt 2010-6-21 5640 Napa Near creek that drains into Bear Valley from southeast. Comment
  JEPS106880  Cryptantha torreyana Jake Ruygt 1998-6-20 4044 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  SEINET10569440  Cupressus Fisher 1881-1 Fisher s.n. Napa Calistoga Comment
  JEPS88724  Cupressus macnabiana W. L. Jepson Jul 1897 Napa Samuel Springs to Middleton Comment
  UC1607977  Cupressus macnabiana Donald G. Nelson 1940-8-7 705 Napa ca. 2 mi. n.w. Knoxville (at the sign of the Manhattan Mines); Inner Coast Range Comment
  CDA11902  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-8 11718 Napa North Coast Biodiversity Arena; Tree, 10 m in height, along small creek tributary to Swartz Creek. Colony on serpentine, approx. 1/2 mile above Aetna Springs resort. Comment
  CDA11909  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-8 11715 Napa North Coast Biodiversity Arena; Tree 8 meters tall, upper hillslopes above road on small rivulet. Serpentine area approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS39750  Cupressus sargentii unknown 1892-1-1 Napa Howell Mt. Comment
  UC1278005  Cupressus sargentii B. Crampton 1957-6-4 4101 Napa above Capell Creek, N end of Capell Valley Comment
  UC766773  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa a short distance below Lake County line; Butts Canyon Comment
  RSA995  Cupressus sargentii J. T. Howell 1927-8-24 690 Napa Butts Valley, Napa Range Comment
  SEINET10531527  Cupressus sargentii Peter H. Raven 1965-5-16 Raven 20209 Napa Cedar Valley, vicinity of Knoxville. 610 Comment
  UCD69069  Cuscuta californica P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. Butts Creek. Parasite on annual grasses. UTM: 10SEN4884 180 Comment
  UCD167137  Cuscuta howelliana Jake Ruygt 2015-5-23 6108 e Napa West of Buck Mountain. 599 Comment
  JEPS116547  Cuscuta pentagona Jake Ruygt 1979-6-30 730 Napa 0.15 mile north of Ragatz Lane on Highway 29. 7.5' Yountville Quad. Comment
  UC450144  Cuscuta salina var. major Milo S. Baker Aug 1900 Napa Napa River, near R.R. crossing Napa River Comment
  JEPS116523  Cuscuta subinclusa Jake Ruygt 1991-7-27 2805 b Napa North of the Southern Crossing, Highway 29 Horseshoe Island. Napa 7.5' Quad. Comment
  UC127129  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7123 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS47141  Cuscuta subinclusa Willis L. Jepson 1901-8-6 1735 Napa St. Helena Napa River Basin, Howell Mt. Comment
  UC1177100  Cynosurus echinatus Peter H. Raven 1950-6-20 2352 Napa Howell Mountain Comment
  UCD37686  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  JEPS115960  Cyperus eragrostis Lowell Ahart 2009-10-12 16459 Napa Below the high water mark 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
  JEPS77930  Cyperus niger Edward Lee 1935-12-1 1674 Napa rd. from Napa to Wooden Valley (ca. 0.7 mi. beyond (s. of) 1st. stop, Sarco Creek); Howell Mts., Sarco Creek Comment
  JEPS103989  Cystopteris fragilis Jake Ruygt 1984-3-31 1518 Napa Devil's Canyon 548 Comment
  CAS-BOT-BC70646  Cystopteris fragilis Evelina Cannon 1901-7-15 s.n. Napa Johannisberg, Mt. Veeder Comment
  JEPS75997  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UCD37950  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Napa County, town of Pope Valley. Comment
  UC657703  Datura wrightii Mrs. Hess 1941-8-27 10170 Napa near bridge at St. Andrews Camp Mt. St. Helena 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
  UCD161519  Deinandra corymbosa Jake Ruygt 1990-5-11 2536 Napa Green Island Road at first bend in road. 8 Comment
  HSC43970  Delphinium hesperium Robert M. Specht 1977-5-14 896 Napa S side of Morgan Valley Rd. near junction with Develhead Rd. 457 Comment
  LA207642  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Fairfield road, 1.5 mi. S of road to St. Helena Comment
  UC1031409  Delphinium hesperium H. Lewis and G. Mehlquist 1941-5-9 Napa Monticello to Napa rd 1.5 mi s road to St. Helena Comment
  JEPS110726  Delphinium hesperium subsp. hesperium Jake Ruygt 1998-5-20 3991 Napa Sage Canyon Road about 1/3 mile west of inter. Chiles-Pope Rd 100 Comment
Read comments Aug 15 2010
  CAS-BOT-BC10113  Delphinium hesperium subsp. pallescens George Ledyard Stebbins 1967-5-31 6523 Napa Cedar Valley south of Knoxville 609 Comment
  JEPS127855  Delphinium hesperium subsp. pallescens Adam C. Schneider with Will Freyman 2014-5-17 600 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road). Comment
  CAS-BOT-BC10107  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa 13.4 miles North of Monticello Comment
  CAS-BOT-BC10108  Delphinium hesperium subsp. pallescens Milo Samuel Baker 1932-4-26 5692 Napa Pope Creek Road perhaps 12 to 15 mi. from Monticello Comment
  HSC58984  Delphinium nudicaule George E. Johnston 1974-4-4 1026 Napa Near Bell Canyon 427 Comment
  UC130936  Delphinium nudicaule Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  UC9209  Delphinium nudicaule Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  UCD95878  Delphinium nudicaule J. D. Clark 1995-5-27 19 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UC906516  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa 5 mi above Napa (side gulch); Sarco Creek Comment
  RSA262472  Delphinium nuttallianum Mark Knuth 1974-5-26 20 Napa .5 mile below Lake Spaulding Dam. Comment
  UCD96553  Delphinium patens M. R. Wanzer 1948-4-3 7 Napa West side of small hill, Putah Canyon, 13 miles west of Winters. Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 Comment
  CAS-BOT-BC116490  Delphinium patens subsp. patens P. H. Raven 1957-5-6 10775 Napa Hills at western edge of Calistoga 182 Comment
  CAS-BOT-BC116496  Delphinium patens subsp. patens Alice Eastwood 1930-6-8 6815 Napa On the old Toll Road below Pattens's, Mt. St. Helena region Comment
  CAS-BOT-BC17149  Delphinium uliginosum G. L. Stebbins 1967-5-31 6522 Napa Cedar Valley, south of Knoxville 609 Comment
  UC906476  Delphinium uliginosum J. Ewan 1937-5-23 10360 Napa Lower Lake to Monticello road 1.9 mi s Lake Co. line Comment
  UCD63750  Delphinium uliginosum Daniel. Sanchez-Mata; Emin Ugurlu 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 500 Comment
  CAS-BOT-BC7908  Delphinium variegatum David D. Keck 1931-4-2 1054 Napa 4 miles S of Monticello, eastern Napa County Comment
  RSA701031  Delphinium variegatum Wilma Griset 1931-3-29 44 Napa [Unspecified] Comment
  UCD48150  Delphinium variegatum subsp. variegatum C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 15 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 250 meters east of old road in an oak woodland, near a burned area (burned Oct 1999). 640 Comment
  JEPS62392  Delphinium variegatum subsp. variegatum W. L. Jepson 1938-5-18 18800 Napa on slope above St. Helena Sanitarium; Howell Mountain Comment
  RSA0110255  Delphinium variegatum subsp. variegatum E. K. Balls 1952-5-8 17117 Napa 4 miles N along Hwy 29 from jct of Hwy 28 and 29 at Woodleaf. Comment
  UCD21550  Deschampsia cespitosa A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, west side of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 335 Comment
  POM262788  Deschampsia elongata J. C. Roos 1939-7-16 270 Napa Howell Mountain Comment
  UCD63727  Deschampsia elongata E. Wilson 1934-8-1 Napa Mt. St. Helena. Comment
  CAS-BOT-BC43417  Descurainia sophia Peter H. Raven 1953-5-2 5361 Napa Along railroad tracks, Yountville. 76 Comment
  CAS-BOT-BC499416  Dichelostemma capitatum Peter H. Raven 1953-5-2 5388 Napa Hills due e. of Yountville 243 Comment
  JEPS64153  Dichelostemma capitatum W. L. Jepson 1897-5-2 20985 Napa St. Helena Napa Valley Comment
  UC421802  Dichelostemma capitatum H. P. Chandler 1907-5-8 7563 Napa White Sulphur Springs St. Helena Comment
  UCD139189  Dichelostemma capitatum subsp. capitatum J. D. Clark 1995-5-27 18 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UCD139436  Dichelostemma capitatum subsp. capitatum M. R. Wanzer 1948-4-3 4 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  UCR137661  Dichelostemma capitatum subsp. capitatum M. Sidells 1996-4-20 12 Napa Next to path on N facing hill at SW side of Lake Bereyessa, 150 m NE of Knoxville Road 250 Comment
  SEINET8476739  Dichelostemma ida-maia M. Ackley 1968-5-12 1149 Napa Napa Valley. Comment
  JEPS110905  Dichelostemma volubile Jake Ruygt 1992-5-15 2963 Napa in the vale east of Johnson's Meadow 457 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-BC151940  Diplacus douglasii Maxine Wilkes 1940-5-5 s.n. Napa Creek draining St. Helena Palisades Comment
  CAS-BOT-BC153276  Diplacus kelloggii Alice Eastwood 1915-6-6 4662 Napa Mt. St. Helena Comment
  CAS-BOT-BC153280  Diplacus kelloggii M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC153407  Diplacus layneae J. P. Tracy 1902-5-19 1544 Napa Head of Moore's Creek, 3-4 miles East of Angwin's 426 Comment
  CDA10950  Disporum hookeri G. F. Hrusa, G. L. Stebbins 1994-4-8 11708 Napa North Coast Biodiversity Arena; Las Posadas State Forest. Main canyon of upper Moore's Creek. Comment
  RSA52659  Disporum hookeri var. hookeri I. L. Wiggins 1949-4-30 12088 Napa E flank of Mt St Helena. 915 Comment
  JEPS122985  Distichlis spicata Jake Ruygt 1982-6-29 1352 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. Comment
  UCD37940  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD64468  Distichlis spicata A. A. Beetle 1946-5-7 4260 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  CDA33361  Dittrichia graveolens Robin Breckenridge 2010-9-29 PDR# 5059105 Napa Lake Berryessa. 0 Comment
  JEPS9525  Dodecatheon hendersonii Willis L. Jepson 1893-4-25 14588 Napa w St. Helena (Caux's Cabin, Napa River Basin); Napa River Basin, w of St. Helena Comment
  UC1039589  Dodecatheon hendersonii Herbert L. Mason 1925-1-23 1206 Napa Wooden Valley grade Comment
  UC917150  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa on Pope Valley Road two mi from St. Helena; 2 mi from St. Helena Comment
  UCD18044  Dodecatheon hendersonii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 595 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
  UCD49112  Dodecatheon hendersonii C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 1 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
  HSC17857  Dodecatheon hendersonii Greg Bos 1963-3-30 53 Napa 2.5 mi. up the Old Toll Rd. out of Calistoga. E slope 305 Comment
  RSA638888  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa along Highway 128, 6.4 mi. southwest of Monticello Dam, on the left side of the road while travelling southwest. 213 Comment
  JEPS103628  Downingia concolor var. concolor Lisa Schultheis 1995-5-31 195 -95 Napa corner of Pope Valley Cross Road and Chiles-Pope Valley Road Comment
  UCD75836  Downingia concolor var. concolor Jake Ruygt 1993-5-1 3245 Napa Pope Canyon Rd. at large vernal pond. 187 Comment
  POM263488  Draba verna J. C. Roos 1939-2-21 299 Napa Near Angwin, Napa Range. 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-BC70945  Dryopteris arguta Peter H. Raven 1954-1-22 6381 Napa Sulphur Springs Resort, west of St. Helena 121 Comment
  CAS-BOT-BC70946  Dryopteris arguta 1899-7-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC70949  Dryopteris arguta Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house, Mt. St. Helena Comment
  CDA11616  Dryopteris arguta G. F. Hrusa, G. L. Stebbins 1994-3-11 11614 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station. Comment
  SFV8761  Dudleya cymosa R. C. Herner 1965-5-8 22 Napa North Coast Ranges Vaca Mountains. On State Highway 128, 6 miles southwest of Monticello Dam. 300 Comment
  UCD170736  Dudleya cymosa 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
  JEPS40976  Dudleya cymosa L. R. Heckard with R. Bacigalupi 1965-5-15 1458 a Napa ca 2.5 air mi s Knoxville (along Zim Zim Creek) 396 Comment
  JEPS48602  Dudleya cymosa W. L. Jepson 1914-5-15 20780 Napa Knoxville Ridge Comment
  UCD148745  Dysphania multifida Jake Ruygt 1981-7-12 1075 Napa Napa County, Napa. Suscol Ave. south of Silverado Trail. 6 Comment
  JEPS122984  Echinochloa crus-galli Jake Ruygt 1986-6-21 1839 Napa Napa Sanitation treatment ponds. Quad: Cuttings Wharf. Comment
  POM257337  Echinochloa crus-galli Virginia Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helen) 111 Comment
  SEINET6836772 Image available Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan Halfway Station (between Calistoga and Mount Saint Helena); near pumping plant 111 Comment
  UCD60843  Echinochloa crus-galli Beecher Crampton 1962-10-9 6697 Napa 1 - 1/4 mile southwest of Angwin, Howell Mtn. Road, Conn Creek. Comment
  RSA123460  Echinochloa crus-pavonis B. O. Schreiber 1936-8-16 2325 Napa 0.8 mile south of Yountville 152 Comment
  UC1562616  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
Read comments Jul 2 2011
  CDA15844  Egeria densa O. Dannenberg 1999-10-12 PDR 1103332 Napa Pond at Bubbling Well Pet Memorial Park, city of Napa. Present in this site >20 yrs. 0 Comment
  JEPS121357  Eleocharis palustris Jake Ruygt 1991-9-14 2779 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  CAS-BOT-BC112661  Eleocharis parvula Peter H. Raven 1953-10-4 6367 Napa Tidal wash, Duttons Landing. 0 Comment
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  UCD17975  Elymus glaucus Ellen Dean; with Plant Biology 102 class 2001-4-14 700 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
  CAS-BOT-BC203595  Elymus glaucus subsp. glaucus J. Clausen 1935-5-23 1072 b Napa Howell Mountain, near summit, 6.5 mi. N. of St. Helena Comment
  JEPS75677  Elymus glaucus subsp. jepsonii W. L. Jepson 1936-5-28 17542 Napa Howell Mt., Adam-and-Eve Ridge Comment
  UCD62697  Elymus trachycaulus Beecher Crampton 1957-6-4 4106 Napa Above Capell Creek, north end of Capell Valley. Comment
  JEPS122728  Epilobium campestre Jake Ruygt 1992-7-4 3061 Napa Margin of Mitten Lake, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS122733  Epilobium canum Jake Ruygt 1997-11-1 3875 Napa Buzzards Roost. Quad: Yountville. Comment
  JEPS44029  Epilobium canum subsp. canum W. L. Jepson 1922-10-22 9834 Napa bed of White Sulphur Creek St. Helena Comment
  UC221399  Epilobium canum subsp. canum H. M. Hall 1923-10-15 11951 Napa near Calistoga (n of town) Comment
  JEPS39259  Epilobium ciliatum subsp. ciliatum Willis L. Jepson 1893-9-24 14465 Napa Napa River Basin, Howell Mt. Howell Mt.; Napa River Basin, Howell Mt. Comment
  JEPS110702  Epilobium densiflorum Jake Ruygt 1992-7-4 3065 Napa ild Horse Valley Ranch, Johnsons Meadow 420 Comment
  JEPS2500 Image available Epilobium densiflorum Willis L. Jepson 1893-6-26 14390 Napa stream beds Napa River Basin, Howell Mt.; Howell Mt., Napa River Basin Comment
  RSA37535  Epilobium foliosum Milo S. Baker 1942-5-27 10204 Napa Summit of Spring Mt. Road, along road turning north, near boundary of Sonoma and Napa Counties 619 Comment
  UC1278002  Epilobium minutum B. Crampton 1957-6-4 4091 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD118627  Epilobium minutum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  UCD138944  Epipactis gigantea Barbara Rice 1965-5-15 71 Napa Zim-Zim Creek, 3 miles southeast of Devilshead Road. 365 Comment
  UC1196439  Epipactis gigantea J. P. Tracy 1899-7-2 452 Napa Canyon of Moore's Creek Howell Mountain 335 Comment
  UCD138947  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach. Comment
  UC126554  Erigeron biolettii Harley P. Chandler Sep 7 1906-Sep 14 1906 7134 Napa Alta Loma Ranch 487 Comment
  UCD63173  Erigeron biolettii Jake Ruygt 1978-9-9 412 Napa 1.4 miles northeast of College Ave. on Howell Mt. Rd. 573 Comment
  RSA128977  Erigeron peregrinus Peter H. Raven 1950-6-27 2436 C Napa N. side of Lake Van Norden. Comment
  UCD63175  Erigeron petrophilus var. petrophilus Jake Ruygt 1981-7-23 1083 Napa Berryessa Peak. 914 Comment
  JEPS106948  Erigeron philadelphicus var. philadelphicus Jake Ruygt 1979-5-24 636 Napa 2.5 miles east of Chiles-Pope Valley Rd. on HWY 128 219 Comment
  UCD164757  Erigeron philadelphicus var. philadelphicus Jake Ruygt 2014-5-24 5957 Napa Pope Creek, Pope Canyon. 148 Comment
  CDA10860  Eriodictyon californicum G. F. Hrusa, M. Rejmanek 1993-5-15 10955 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  HSC45345  Eriodictyon californicum R. York 1978-4-8 113 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD145264  Eriodictyon californicum Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-13 161 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 160 Comment
  UCD159950  Eriodictyon californicum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD49085  Eriodictyon californicum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 6 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd., up a slope on the NE side of the road. 237 Comment
  UCD73429  Eriodictyon californicum Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  POM196472  Eriogonum dasyanthemum J. T. Howell 1927-8-23 3042 Napa Chiles Valley 213 Comment
  CAS-BOT-BC242613  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa 4 mi. s. of Knoxville on road 365 Comment
  UC1177103  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa 4 mi s Knoxville 365 Comment
  UC406871  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi w, on road to Lowerlake Monticello Comment
  CAS-BOT-BC266055  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC266061  Eriogonum luteolum John Thomas Howell 1933-8-27 11651 Napa Chiles Valley, Napa Range Comment
  CAS-BOT-BC266062  Eriogonum luteolum John Thomas Howell 1933-8-27 11622 Napa Sage Canyon, Napa Range Comment
  JEPS56162  Eriogonum luteolum W. L. Jepson 1907-11-30 2876 Napa near Yountville; Stag's Leak Comment
Read comments Nov 12 2011
  SEINET3405144 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  UC1198106  Eriogonum luteolum var. luteolum J. P. Tracy 1899-7-6 442 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UCD48085  Eriogonum luteolum var. luteolum Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 35 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1 st ridge south of Devilhead Rd. 518 Comment
  CAS-BOT-BC474562  Eriogonum nervulosum G. Ledyard Stebbins 1985-6-17 C 534 Napa NW of Dunnigan Hill, W of Hunting Creek, SW of Knoxville (exact location unknown; coordinates estaimated by label maker) 432 Comment
  CAS-BOT-BC268976  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  CAS-BOT-BC268980  Eriogonum nudum var. auriculatum John Thomas Howell 1930-7-13 5345 Napa Lower slopes of Mt. St. Helena Comment
  UC77448  Eriogonum nudum var. auriculatum T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  SBBG1534  Eriogonum nudum var. nudum J. M. Tucker 1941-9-20 395 Napa Putah Cyn; Vaca Range Comment
  UCD164790  Eriogonum nudum var. nudum Jake Ruygt 2007-7-22 5249 Napa Conn Valley Road near Rossi Road. 115 Comment
  UCD164789  Eriogonum nudum var. oblongifolium Jake Ruygt 1981-5-27 1049 Napa American Canyon, .4 mile east of Flosden Road. 152 Comment
  JEPS56436  Eriogonum roseum W. L. Jepson 1930-10-19 15686 Napa Conn Creek Napa Valley, Conn Creek 45 Comment
  CAS-BOT-BC298510  Eriophyllum confertiflorum John Thomas Howell 1941-6-21 16313 Napa Hills SW of St Helena Comment
  HSC67487  Eriophyllum lanatum J. P. Smith, J. O. Sawyer 1970-5-17 3788 Napa 9 mi. N of Pope Valley Comment
Read comments Jun 12 2012
  CAS-BOT-BC301054  Eriophyllum lanatum var. achilleoides Peter H. Raven 1951-5-6 2817 Napa 4 miles Conn Dam from Rutherford 91 Comment
  CAS-BOT-BC301056  Eriophyllum lanatum var. achilleoides Peter H. Raven 1950-6-20 2373 Napa In the Napa Range between Conn Valley & Howell Mts. Comment
  CAS-BOT-BC301060  Eriophyllum lanatum var. achilleoides Robert M. King 1980-7-9 8418 Napa 2-3 miles north of Calistoga Comment
  UCD54313  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  CAS-BOT-BC301050  Eriophyllum lanatum var. achilleoides H. E. McMinn No date on label 956 Napa Unspecified Comment
  UC164782  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2102 Napa hills on e side Napa Valley (near Calistoga) 243 Comment
  JEPS106526  Erodium botrys Jake Ruygt 1979-5-19 608 Napa Giles-Mead Ranch 481 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
  JEPS106855  Erodium cicutarium Jake Ruygt 1991-4-20 2630 Napa Cooksley Lake, Friesen's Lakes,Angwin 615 Comment
  UCD170277  Eryngium Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 811 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  UCD170346  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 845 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 586 Comment
  UCD170455  Eryngium Daniel Potter; Ninh Khuu 2016-6-8 884 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS104555  Eryngium aristulatum Jake Ruygt 1982-6-21 1333 Napa Suscol Hill (south of Rocktram) 4 Comment
  JEPS17446  Eryngium aristulatum var. aristulatum W. L. Jepson 1893-4-26 14276 Napa Rutherford Napa Valley, Rutherford Comment
  JEPS166  Eryngium aristulatum var. aristulatum W. L. Jepson 1893-4-27 14280 Napa Yountville Comment
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  UC673520  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount St. Helena Comment
  JEPS106770  Erysimum capitatum var. capitatum Jake Ruygt 1996-4-12 3610 Napa Blue Ridge, north of Monticello Dam. 670 Comment
  UCSC009038  Erythranthe guttata Dylan M. Neubauer 2015-4-26 140 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  SEINET8380160  Erythranthe microphylla C. G. Baughn 1949-4-24 21 Napa beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  CAS-BOT-BC501120  Erythronium californicum John Thomas Howell 1926-3-21 1715 Napa St. Helena Creek below Patten's 609 Comment
  CAS-BOT-BC124172  Erythronium helenae Elmer Ivan Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa County; slope just E of the Palasades on old stage road Comment
  CAS-BOT-BC133289  Erythronium helenae Ira L. Wiggins 1949-4-30 12092 Napa Eastern slope of Mt. St. Helena near Lake Co. line Comment
  CAS-BOT-BC133291  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mount St. Helena, just east of the Palisades on the old stage road Comment
  CAS-BOT-BC133292  Erythronium helenae Ella Dales Cantelow 1938-5-1 3981 Napa N.E. slope Mt. St. Helena Comment
  JEPS129023  Erythronium helenae Jake Ruygt 2016-3-15 6162 Napa Missimer-Fernandes; E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  RSA176484  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Volcanic crater region of Mount St. Helena, just east of the Palisades on the Old Stage Road Comment
  CAS-BOT-BC402787  Eschscholzia caespitosa L. Constance 1938-3-27 2043 Napa Steel Canyon near Capell Valley, 8 miles south of Monticello, Napa Range, North Coast Ranges 304 Comment
  JEPS51748  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  CAS-BOT-BC402798  Eschscholzia caespitosa Peter H. Raven 1955-3-20 8244 Napa Slopes just below Hennessey Lake, Conn Valley 121 Comment
  UCD15073  Eschscholzia caespitosa Nicholas Ewing 1977-4-16 16 Napa California, Napa Co.; 0.8 miles east along East Bull Canyon off of Highway 128, 7.4 miles south-southwest of Monticello Dam; 152 Comment
  CAS-BOT-BC403336  Eschscholzia californica Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UC142916  Eschscholzia californica Katharine Brandegee 1910-7-27 Napa near Angwins Comment
  UC1285727  Eucalyptus viminalis W. L. Jepson 1936-6-29 17628 Napa near Rutherford (in front of house of Mrs. O. G. Freyermuth); Napa Valley Comment
  RSA10671  Euphorbia crenulata C. B. Wolf 1928-5-3 1818 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCSC009026  Euphorbia crenulata Dylan M. Neubauer 2015-4-24 128 Napa Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey, NCoRI 101 Comment
  UCD20021  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1217 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  JEPS106420  Euphorbia oblongata Jake Ruygt 1990-5-6 2533 Napa Yountville Ecological Reserve on Napa River 27 Comment
  JEPS52404  Euphorbia peplus W. L. Jepson 1936-7-2 17638 Napa garden borders of Sanitarium Howell Mt. (Howell Mt.); vicinity of San Francisco Bay, Howell Mt. Comment
  UC86940  Eurybia radulina T. S. Brandegee Aug 1 1888-Jan 1 1900 Napa Howell Mountain Howell Mountain Comment
  UCD54315  Euthamia occidentalis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 107 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  CAS-BOT-BC278273  Festuca californica A. G. Vestal 1963-4-7 58749 .1 Napa 3.9 miles north of St. Helena Comment
  CHSC108741  Festuca californica B. Castro; L. P. Janeway 2002-5-12 1366 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  SBBG29006  Festuca californica B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UCD37300  Festuca californica Beecher Crampton 1959-5-7 5202 Napa State Highway 128, north end of Capell Valley, Capell Creek. Comment
  UCSB6949  Festuca californica Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley; on California Highway #37 304 Comment
  UCD65856  Festuca californica subsp. californica Beecher Crampton 1962-5-16 6420 Napa 3.5 miles north of Conn Reservoir, western slope of Chiles Valley. Comment
  UCD65899  Festuca californica subsp. californica J. Street 1950-4-24 Napa 4 mi. E of Rutherford. Comment
  RSA125842  Festuca elmeri P. H. Raven 1957-5-5 10759 Napa Hills at western edge of Calistoga. 152 Comment
  UCD19321  Festuca idahoensis M. A. Bibbo; E. Dean 2001-7-6 13 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a W facing slope. 228 Comment
  UCD65966  Festuca idahoensis Beecher Crampton 1954-5-6 1832 Napa 5 miles south of Monticello. Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  JEPS122910  Festuca occidentalis Jake Ruygt 2007-4-15 5149 Napa Las Posadas State Forest, road to north side of Recreation Flat. Quad: Saint Helena. Comment
  JEPS122955  Festuca perennis Jake Ruygt 1982-6-6 1310 Napa South of Suscol hill and west of Highway 29. Quad: Cuttings Wharf. Comment
  JEPS122736  Festuca trachyphylla Jake Ruygt 2011-6-9 5800 b Napa South side of Mt George Palmaz Vineyards. Quad: Mt. George. Comment
  JEPS84598  Filago pyramidata var. pyramidata John W. Willoughby 1977-4-20 2139 Napa w side of range Vaca Mountains (latitude approximately that of Mount Vaca) 457 Comment
  JEPS110713  Forestiera pubescens Jake Ruygt 1986-3-29 1673 Napa Toll Canyon 432 Comment
  JEPS44880  Fragaria vesca W. L. Jepson 1910-3-28 4021 Napa sw of Calistoga (on Rebecca Ranch grade) Comment
  CAS-BOT-BC454534  Fragaria vesca subsp. californica L. R. Abrams 1928-5-3 12238 Napa Summit St. Helena Grade Comment
  UCD112535  Frangula californica Heidi E. M. Dobson 1978-5-25 331 Napa east slope of Mt. Veeder. Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  HSC43995  Fraxinus dipetala Robert M. Specht 1977-4-11 623 Napa NE slope above Pocock Creek 512 Comment
  CAS-BOT-BC223530  Fraxinus latifolia Peter H. Raven 1957-5-5 10766 Napa At western edge of Calistoga 152 Comment
  CAS-BOT-BC223534  Fraxinus latifolia H. E. McMinn 1922-6-8 178 Napa Collected on summit of Howell Mt. Four Comment
  JEPS78436  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  UCD122055  Fraxinus latifolia Alton Enloe 1955-5-20 37 Napa Near Putah Creek bed; State Highway 128, ca. 10 miles southwest of Monticello Dam. Comment
  UCD40902  Fremontia californica S. Boshoren 1983-5-29 25 Napa 5 miles from Knoxville, NW on Berryessa-Knoxville Road. Comment
  CAS-BOT-BC26115  Fremontia napensis Mrs. Myron Hobson 1926-5-10 s.n. Napa North side of Mt. St. Helena Comment
  CAS-BOT-BC205890  Fremontodendron californicum M. A. Nobs 1939-6-3 s.n. Napa Half way between Monticello and Lower Lake Comment
  CAS-BOT-BC205894  Fremontodendron californicum John Thomas Howell 1939-5-7 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  JEPS42894  Fremontodendron californicum W. L. Jepson 1938-6-11 19005 Napa Knoxville Ridge 731 Comment
Read comments Jun 12 2012
  RSA121147  Fremontodendron californicum B. O. Schreiber 1936-9-20 2354 Napa 5 miles S of Reiff. 762 Comment
  UC615155  Fremontodendron californicum B. O. Schreiber 1936-9-20 2354 Napa 5 miles south of Reiff, Napa County 762 Comment
  UCD116270  Fremontodendron californicum Beecher Crampton 1970-4-15 8557 Napa North end of Capell Valley, State Hwy. 128. Comment
  POM258881  Fremontodendron californicum subsp. californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  JEPS61901  Fritillaria affinis Willis L. Jepson 1893-5-5 14823 Napa Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  POM169367  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  RSA123591  Fritillaria pluriflora Milo S. Baker 1940-3-10 9499 Napa About 5 miles north of Knoxville, right beside road to Lower Lake Comment
  UCD170218  Fritillaria pluriflora Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 739 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  RSA17439  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa Palasades, Mayacama Range, north of Calistoga Comment
  UC1228174  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa above Capell Creek (n end of Capell Valley, along State Highway 128); Capell Valley Comment
  UCD162118  Fritillaria recurva Dylan O. Burge 2014-3-15 1496 Napa Mount Saint Helena. 640 Comment
  CAS-BOT-BC508186  Fritillaria recurva Hunt 1913-3-27 s.n. Napa St Helena Comment
  JEPS5214  Fritillaria recurva W. L. Jepson 1924-4-27 10375 Napa e side of Mount St. Helena Mount St. Helena Comment
  JEPS61954  Fritillaria recurva Willis L. Jepson 1893-5-5 14819 Napa ne side of Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  UCD33568  Galium Beecher Crampton 1970-4-15 8559 Napa Napa County, north end of Capell Valley on Hwy. 128. Comment
  POM204016  Galium andrewsii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD18032  Galium andrewsii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 581 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
  UCD18063  Galium andrewsii var. andrewsii Ellen Dean; with Plant Biology 102 class 2000-4-22 618 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
  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
  UCD159924  Galium aparine Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  HSC49622  Galium aparine R. York 1979-4-8 207 Napa Along Silverado Trail Rd., 5 mi. N of Napa Comment
  UCSB9839  Galium aparine Keator, Glenn 1959-3-28 Napa About 1.5 miles S from Conn's Picnic Area in Lake henessy Area Comment
  UC1196085  Galium bolanderi Joseph P. Tracy 1899-7-3 427 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  JEPS52700  Galium bolanderi G. L. Stebbins Jr. 1963-6-12 6130 Napa along creek 2 mi s Lake Berryessa (s side of creek, n-facing slope); Pope Creek 149 Comment
  UC1196116  Galium californicum subsp. californicum Joseph P. Tracy 1933-6-2 12456 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCSB24071  Galium mexicanum subsp. asperulum James, C. 1966-4-24 Napa Junction of State Highway 12 & 121 and Foster Road, west of Napa Comment
  UCD38609  Galium porrigens Beecher Crampton 1956-5-25 3485 Napa Howell Mtns. Comment
  JEPS110599  Galium porrigens var. porrigens Jake Ruygt 1986-3-14 1645 Napa about 1 mile N of HWY 12 and 1/2 mile east of Sonoma Co. line 103 Comment
  JEPS6612  Galium porrigens var. porrigens W. L. Jepson 1944-5-21 27523 Napa 4 mi e Rutherford Comment
  JEPS18279  Galium porrigens var. porrigens Peter H. Raven 1957-5-5 10776 Napa just w Calistoga 182 Comment
  UCD121909  Galium porrigens var. tenue Barbara Ertter; Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Road N of Lake Berryessa, 9.0 mi S of Knoxville tunnel. 243 Comment
  CAS-BOT-BC199055  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  JEPS126030  Garrya congdonii Jake Ruygt 1979-2-25 435 Napa Oat Hill Mine Road near Aetna Springs. Detert Reservoir 7.5' Quad. Comment
  UCD48040  Garrya congdonii R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 10 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  SEINET9298758  Garrya flavescens Unknown 1997-2-3 13617 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Shrub, 6 ft. Comment
  CAS-BOT-BC144378  Garrya fremontii Alice Eastwood 1922-3-26 11110 Napa Mt. St. Helena Comment
  JEPS126034  Garrya fremontii Jake Ruygt 1990-1-29 2431 Napa Napa Range about 1/2 mile south of Circle Oaks. Capell Valley 7.5' Quad. Comment
  JEPS66741  Garrya fremontii W. L. Jepson 1913-4-15 5316 Napa Howell Mt. 609 Comment
  JEPS66742  Garrya fremontii W. L. Jepson 1913-4-15 5310 Napa Howell Mt. 609 Comment
  CDA38570  Garrya fremontii H. Stabo 1959-9-1 s.n. Napa E. St. Helena hills. 0 Comment
  UCD19927  Gastridium phleoides E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 782 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  CAS-BOT-BC278655  Gastridium phleoides Thomas H. Kearney 1948-6-26 s.n. Napa Near Napa Comment
  CAS-BOT-BC208043  Genista monspessulana Ira L. Wiggins 1928-3-25 2883 Napa Roadside 1 1/2 mi. N.E. of Calistoga [Calostoga] Comment
  SD224986  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. Adjacent to meeting hall. 91 Comment
  UCD23412  Geranium molle Helen West 1977-4-16 1 Napa Purple flowers, 10 stamens (2 rows of 5), low lying plant. Collected in sunny meadow, surrounding vegetation was low, covering plants, soil parent material is shale. 6.3 miles southwest of Monticello Dam, off Hwy. 128, along road side. 182 Comment
  UCR106835  Geranium molle Julie Knorr 1977-4-16 7 Napa Hwy 128, 6.4 mi west of Monticello Dam, steep N facing slope Comment
  UC1795114  Geranium purpureum Barbara Ertter with Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley 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
  UC1563722  Gilia capitata subsp. capitata Barbara Ertter with Annetta Carter 1989-5-28 8512 Napa on Berryessa Rd 2 mi se Lake Co. line (near Knoxville, extreme n Napa Co.); near Knoxville 609 Comment
  UCR202432  Gilia capitata subsp. capitata Peter L. Morrell 1993-6-6 269 Napa Coast Range, Along Hwy 29, north side of road, 1 mile south of Robert Louis Stevenson State Park, c. 3 miles north of Calistoga 146 Comment
  JEPS69529  Gilia capitata subsp. capitata W. L. Jepson 1893-6-26 15073 Napa Howell Mtn. , Howell Mtn. (Napa River Basin) Comment
  UC52369  Gilia capitata subsp. capitata J. P. Tracy 1903-5-16 1838 Napa hill near Calistoga (Region about San Francisco Bay); , near Calistoga 152 Comment
  UC914316  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7965 Napa w slope Mt. St. Helena Comment
  CAS-BOT-BC257666  Gilia tricolor R. C. Wenk; E. S. Wenk 2006-4-30 434 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  RSA304910  Gilia tricolor Jim Shevock 1971-4-8 919 Napa Hwy 29, near county line. 549 Comment
  JEPS110951  Gilia tricolor subsp. diffusa Jake Ruygt 1991-5-11 2671 Napa Little Bear Valley, near Sugarloaf Mtn. 694 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
  JEPS112627  Glaux maritima Jake Ruygt 1981-7-20 1068 Napa Fagan's Marsh 1 Comment
  CDA34661  Glinus lotoides L. Ahart 2009-10-12 16444 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. Comment
  CHSC102254  Glinus lotoides Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  RSA769217  Glinus lotoides L. Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 air miles northwest of Winters 130 Comment
  RSA518733  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  UCD32580  Glyceria striata Beecher Crampton 1954-6-8 1934 Napa 5 miles south Middletown, Hwy 29, above St. Helena Creek. Comment
  CDA5426  Gnaphalium japonicum H. Stabo Oct 1961 Napa F. Nicholls property, end of Mayo Lane, St. Helena. 0 Comment
  CDA34653  Gnaphalium luteoalbum L. Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS106907  Gnaphalium palustre Jake Ruygt 1986-5-19 1778 Napa Napa River south of Imola Ave., Napa 1 Comment
  UCD73518  Gnaphalium palustre Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS122709  Gnaphalium ramosissimum Jake Ruygt 1992-6-24 3055 Napa Tuteur Ranch, end of Green Valley Road. Quad: Mt. George. 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
  JEPS120421  Grindelia hirsutula Jake Ruygt 2010-8-14 5714 Napa Berryessa Estates picnic area adjacent to Putah Creek at junction with Butts Cr. Comment
  SEINET10925082 Image available Grindelia humilis f. pubescens John Thomas Howell 1932-10-8 Howell 10805 Napa Upper edge of tidal flat. Cuttings Wharf on Napa River, Napa Co. Comment
  RSA122889  Guillenia flavescens B. O. Schreiber 1938-4-24 2500 Napa 0.5 mile NW of Knoxville. 610 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
  JEPS122925  Hainardia cylindrica Jake Ruygt 1993-5-11 3259 Napa Milton Road north of the railroad tracks. Quad: Cuttings Wharf. Comment
  UCD85237  Hainardia cylindrica S. Galen Smith; J. Anderson 1957-6-7 2958 Napa Myrtle Hot Springs, 1.5 miles northwest of Calistoga. 121 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
  CAS-BOT-BC302229  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa Near Yountville Comment
  CAS-BOT-BC302233  Harmonia nutans Alice Eastwood 1923-5-9 11753 Napa Mt. St. Helena 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
  CDA31865  Harmonia nutans D. G. Kelch 2001-3-18 1 .017 Napa Soda Canyon Road. Comment
  JEPS7511  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa near Yountville Comment
  SBBG8600  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mtn near summit, 6.5 mi NE of Saint Helena Comment
  SJSU11766  Harmonia nutans J. D. Paravantes 1973-4-14 Napa Soda Canyon Rd 5 mi N of intersection with Silverado Trail Comment
  UC1301042  Harmonia nutans Helen K. Sharsmith 1963-4-20 5338 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UC30653  Harmonia nutans Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UC1199264  Helianthella californica subsp. californica Joseph P. Tracy 1933-6-2 12486 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 396 Comment
  UC1069443  Helianthella californica subsp. californica A. Lewis 1932-5-14 78 Napa along the roadside Napa Quadrangle Comment
  JEPS106668  Helianthus californicus Jake Ruygt 1991-7-19 2787 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 135 Comment
  JEPS4456  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwins's Meadows Comment
  UCD132921  Helianthus californicus Irving Grover 1965-6-16 s.n. Napa Howell Mountain area along Deer Park road near Angwin. Comment
  JEPS105354  Helianthus exilis Dean W. Taylor 1994-10-7 14712 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  UCD170285  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 825 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  UCD119430  Heliotropium curassavicum var. oculatum Eric S. Nagy 1990-4-29 004 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  UCD74368  Heliotropium curassavicum var. oculatum Jake Ruygt 1991-6-29 2762 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 121 Comment
  JEPS115768  Helminthotheca echioides Lowell Ahart 2009-10-12 16427 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Wint 133 Comment
  JEPS12594  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1893-9-25 Napa La Lomita Napa River Basin Comment
  CAS-BOT-BC309837  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CDA11970  Hemizonia congesta subsp. luzulifolia G. F. Hrusa, M. Hooper 1995-9-12 12462 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  JEPS106662  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1982-6-13 1313 Napa Cedar Roughs 271 Comment
  JEPS38290  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1930-10-19 15690 Napa Pope Valley Comment
  UCD67774  Hemizonia congesta subsp. luzulifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  CAS-BOT-BC309833  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4541 Napa 9 miles n. of Vallejo in Napa Co. Comment
  CDA10967  Hemizonia congesta subsp. luzulifolia G. F. Hrusa 1988-9-4 5701 Napa North Coast Biodiversity Arena; Butts Canon, 10 m. SE of Middletown. Comment
  SBBG5196  Heracleum maximum H. and M. Dearing 1939-4-29 3227 b Napa Conn Valley Comment
  UC175983  Hesperevax acaulis var. robustior Joseph P. Tracy 1903-5-22 1886 Napa on Eel River (Alder Point); Northern Coast Ranges, Alder Point 152 Comment
  UCD170688  Hesperevax sparsiflora var. sparsiflora 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 163 Comment
  OBI7234  Hesperocyparis sargentii Carl B. Wolf & E. R. Johnson, E. R. Johnson 1934-10-17 6196 Napa On Middletown-Calistoga rd, 300 ft S of Lake Co Line 457 Comment
  SFV12215  Hesperocyparis sargentii E. L. Smith 1967-5-7 Napa Butts Canyon Butts Creek, below small reservoir at upper (northwest) end of canyon where road from Pope Valley enters, Butts Canyon, 6.9 miles northwest of Pope Valley._x000B_Soil shallow cherts and serpentine. 213 Comment
  JEPS112583  Hesperolinon Jake Ruygt 1992-5-3 2926 Napa Skyline Park, Napa east of Marie Creek 195 Comment
  JEPS123298  Hesperolinon David Gowen with Dick O'Donnell 2009-6-30 1077 Napa Along trail from Devilhead Road down to Cedar Creek. Comment
  CAS-BOT-BC167404  Hesperolinon bicarpellatum J. P. Tracy 1905-7-6 2218 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 457 Comment
  CAS-BOT-BC167419  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs Comment
  JEPS32273  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa on hills at head of Moore's Creek (5 mi e of Angwin's); Howell Mountain 396 Comment
  UC668041  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain 396 Comment
  UCD167168  Hesperolinon bicarpellatum Jake Ruygt 2015-4-20 6074 Napa Fernandes/ Land Trust, Snell Peak area. 394 Comment
  UCD82615  Hesperolinon bicarpellatum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  UCD167348  Hesperolinon bicarpellatum Jake Ruygt 2003-6-7 4541 Napa Mt. George/ Foote Botanical Preserve on 'Tupper road'. 298 Comment
  UC1212214  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa se slope below rock spire west of junction of state highways 37 and 128 (s end of valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  JEPS122837  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-18 228 Napa Along dirt road offshoot from Dollarhide Road, which originates on Hardin Road just north of Wantrup Wildlife refuge - access is through St. Suprey vineyards. Comment
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. Comment
  UC1212437  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4074 Napa near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 289 Comment
  UC1212457  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4078 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UC1601207  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4037 Napa w side Chiles Valley (on Rutherford-Monticello road); Inner North Coast Ranges 243 Comment
  UC1212454  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa s side Conn Dam (slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 Comment
  CAS-BOT-BC176056  Hesperolinon clevelandii John H. Thomas 1955-5-21 5116 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC176060  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine 304 Comment
  JEPS122782  Hesperolinon clevelandii Jake Ruygt 1997-5-18 3856 Napa Hogback Mountain. QUAD: Sonoma. Comment
  CAS-BOT-BC176050  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  CAS-BOT-BC176054  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  CAS-BOT-BC176237  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road 121 Comment
  OBI22868  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  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
  UC668039  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 396 Comment
  UC1212259  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4105 Napa s side Conn Dam (on slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  JEPS122788  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5439 Napa Chiles-Pope Valley Road. QUAD: Chiles Valley. Comment
  JEPS122869  Hesperolinon sharsmithiae Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-18 602 Napa At end of Barnett Rd. off of Pope Valley Rd. Comment
  JEPS127884  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 197 Napa Along Chiles Valley Road. Comment
  JEPS127897  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 235 Napa Just west of intersection between Snell Valley Road, Stagecoach Canyon Road, and Spanish Valley Trail. Comment
  UC1212405  Hesperolinon spergulinum J. P. Tracy 1899-7-5 383 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC1601204  Hesperolinon spergulinum Helen K. Sharsmith 1951-10-21 4042 Napa 0.5 mi above Aetna Springs (near Aetna Mine); Inner North Coast Ranges 274 Comment
  UC192975  Hesperolinon spergulinum C. C. Parry 1881-1 99 Napa Calistoga 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
  UCD112242  Heterocodon rariflorum Christopher Mallek 2008-5-12 AS2- 14 Napa Aetna Springs. 668 Comment
  UCD164836  Heterocodon rariflorum Jake Ruygt 2012-6-2 5858 -c Napa Spanish Valley on south ridge. 345 Comment
  JEPS11799  Heterocodon rariflorum Willis L. Jepson 1893-1 Napa grade below New Eden (Howell Mt); Napa River Basin, Howell Mt. Comment
  JEPS20391  Heterotheca grandiflora W. L. Jepson 1934-10-19 16903 Napa flats by Napa River; St. Helena Comment
  JEPS20392  Heterotheca grandiflora W. L. Jepson 1937-9-29 18574 Napa at sandstone cliffs at bridge over Napa River (on road to St. Helena Sanitarium) Comment
  UC11351  Heuchera micrantha var. erubescens Willis L. Jepson 1893-5-8 Napa Howell Mt; Napa River Basin Comment
  CAS-BOT-BC312333  Hieracium albiflorum Peter H. Raven 1950-6-20 2347 Napa Napa Range between Conn Valey and Howell Mtns. Comment
  UC127169  Hieracium albiflorum Harley P. Chandler Sep 7 1906-Sep 14 1906 7152 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC764637  Hoita macrostachya R. F. Hoover 1941-8-24 5573 Napa Mt. St. Helena; e side Comment
  RSA517453  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. 152 Comment
  JEPS106643  Holocarpha virgata Jake Ruygt 1978-8-20 398 Napa 1.6 mi.E of junct.Chiles and Pope V.Rd on Berryessa-Knox.Rd. 143 Comment
  UCD164825  Holocarpha virgata subsp. virgata Jake Ruygt 2012-8-25 5877 -z Napa South of Spanish Valley. 350 Comment
  UCD36597  Hordeum brachyantherum subsp. californicum Beecher Crampton 1955-5-9 2754 Napa 2 miles N of Calistoga, Myrtledale Hot Springs. Comment
  UCD85529  Hordeum brachyantherum subsp. californicum Beecher Crampton 1962-5-16 6424 Napa 6.4 miles S of Pope Valley, western slope of Chiles Valley. Comment
  CAS-BOT-BC284935  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC285093  Hordeum marinum subsp. gussoneanum David D. Keck 1933-5-29 2339 Napa Pope Creek bridge south of Walters Springs. South wall of Pope Creek Canyon Comment
  CAS-BOT-BC285097  Hordeum marinum subsp. gussoneanum Peter H. Raven 1957-5-5 10738 Napa Calistoga 91 Comment
  POM263252  Hordeum marinum subsp. gussoneanum J. C. Roos 1939-5-13 273 Napa Angwin, Howell Mt. 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
  UCD18144  Hordeum marinum subsp. gussoneanum Jean Shepard; with PLB 102 class 2000-4-29 199 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC284901  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa 1 1/2 mi. N.E. of Calistoga Comment
  UCD168567  Hordeum murinum subsp. leporinum Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS104554  Hydrocotyle ranunculoides Jake Ruygt 1991-7-20 2772 Napa L.Orville, Friesen's Lakes, Angwin 563 Comment
  UC131665  Hydrophyllum occidentale C. F. Baker 1903-5-11 3083 Napa Knoxville Comment
  UCD166690  Hypericum anagalloides Jake Ruygt 1982-6-29 1347 Napa on east side of Hwy 29, 0.3 mi south of Old Bale Mill. 88 Comment
  CAS-BOT-BC410811  Hypericum concinnum J. Clausen 1935-5-23 1072 a Napa Howell Mountain, near summit, 6.5 mi. N of St. Helena Comment
  JEPS66843  Hypericum concinnum W. L. Jepson 1936-2-8 17398 Napa Adam and Eve Ridge Howell Mt.; Napa Range, Howell Mt. Comment
  CAS-BOT-BC410812  Hypericum concinnum Alice Eastwood 1923-5-9 11741 Napa Hills above Calistoga Comment
  OBI57142  Hypericum concinnum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24513 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  UC19037  Hypericum concinnum Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa Knoxville Comment
  CDA7485  Hypochaeris radicata H. Stabo 1960-7-13 4677 Napa 0 Comment
  CHSC58402  Iris fernaldii Karen Blom 1975-5-16 22 Napa 1 mile north of State Highway 121 on Knoxville Road. Comment
  RSA135877  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17103 Napa 2.6 miles west from Calistoga on road to Santa Rosa, via Petrified Forest 91 Comment
  IRVC14047  Iris macrosiphon A. French 1967-5-7 36 Napa Oakville-Santa Rosa Road; ca. 7 mi. from Oakville. Comment
  JEPS126051  Iris macrosiphon Jake Ruygt 2007-3-31 5133 Napa Las Posadas State Forest NW of Fire Station. Saint Helena 7.5' Quad. Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  UCD160672  Iris macrosiphon Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8745 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  JEPS17335  Iris macrosiphon Willis L. Jepson 1893-1 Napa near St. Helena (Park Hill); Napa River Basin, Park Hill Comment
  SEINET5722883 Image available Iris macrosiphon J. A. Sheldahl 1968-1 43 Napa Pope Valley; Pope Valley Comment
  CAS-BOT-BC57722  Isoetes howellii D. E. Breedlove 1974-4-27 36200 Napa along Silverado Trail just north of junction with Oak Knoll Road Comment
  UC1239793  Isoetes nuttallii Joseph P. Tracy 1933-4-30 12113 Napa 3 - 4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt, La Jota Plateau 518 Comment
  JEPS121362  Isolepis carinata Jake Ruygt 1986-6-21 1837 Napa Fagans Marsh Comment
  CAS-BOT-BC102317  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  CAS-BOT-BC102320  Juglans hindsii J. H. Thomas 1960-8-29 8839 B Napa About 1 mile north of Calistoga along highway number 53 Comment
  UCD20737  Juglans hindsii Ellen Dean; w/ Mark Bibbo 2002-6-17 1101 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near main entrance gate to reserve, just upslope from road to field station. E side of the road. 371 Comment
  SEINET13942237 Image available Juglans hindsii C. B. Wolf, B. D. Stark 5514 Napa Skally Ranch at head of Gordon Valley, below Lake Curry Dam. 500 ft. 152 Comment
  UC1601696  Juncus bufonius Willis L. Jepson 1893-1 Napa Napa Valley Napa River Basin Comment
  UCD73514  Juncus bufonius Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS129086  Juncus capitatus Jake Ruygt 2016-4-23 6203 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UC1103673  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1902-5-21 1611 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC14892  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-19 1555 1/2 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga Comment
  UC184101  Juncus occidentalis Joseph P. Tracy 1905-7-5 2211 Napa 3-4 mi e Angwin's (at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UC842740  Juncus occidentalis M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  RSA368101  Juncus oxymeris Robert Gustafson, Don Reynolds 1983-6-7 2734 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  JEPS75645  Juncus patens W. L. Jepson 1936-6-1 17577 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  UCD167053  Juncus xiphioides Jake Ruygt 1991-7-20 2794 Napa 3.2 miles north of Pope Canyon Road on Berryessa- Knoxville Road. 118 Comment
  UCD133720  Juniperus californica Robert E. Preston 1987-6-16 563 A Napa CA: Napa Co.: On and near the margins of a dry streambed, ca. 1.5 mi SE of Big Basin. 243 Comment
  JEPS110685  Keckiella breviflora var. glabrisepala Jake Ruygt 1987-6-14 2049 Napa Pope Creek at inflow to Lake Berryessa 149 Comment
  UC526698  Koeleria macrantha Joseph P. Tracy 1933-6-2 12475 Napa hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, , Moore's Creek 396 Comment
  UCD36305  Koeleria macrantha Beecher Crampton 1953-5-19 1307 Napa 10 miles west of Monticello, along Highway 128. Comment
  UCD18107  Lactuca saligna K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 43 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  NY180446  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring Comment
Read comments Nov 25 2013
  JEPS106649  Lagophylla minor Jake Ruygt 1981-5-21 1042 Napa Putah Dreek north of Snell Valley 231 Comment
  UCD135655  Lagophylla minor Bruce G. Baldwin 1988-5-29 706 Napa immediately beyond junction with State Highway 128 along north side of Lower Chiles Valley Road. Comment
  UCD48601  Lagophylla minor M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 8 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 297 Comment
  CAS-BOT-BC123305  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  CAS-BOT-BC341430  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canon [Canyon] Comment
  UC33058  Lagophylla ramosissima Willis L. Jepson 1894-5-1 Napa e St. Helena; Napa River basin Comment
  JEPS85022  Lamarckia aurea Larry Heckard, Mary Ashton 1969-5-3 2220 Napa 7 mi ne of Napa (Mead Ranch of the Atlas Peak Road); Mead Ranch 510 Comment
  UCD81811  Lamarckia aurea Ellen Dean; Stephen Rae 2009-4-21 5438 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC295370  Lasthenia californica R. C. Wenk; E. S. Wenk 2006-4-30 436 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  CAS-BOT-BC338270  Lasthenia californica Alice Eastwood 1915-6-5 4631 Napa Calistoga Comment
  CAS-BOT-BC338274  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  JEPS10012  Lasthenia californica subsp. californica Willis L. Jepson 1893-1 Napa Comment
  JEPS106673  Lasthenia conjugens Jake Ruygt 1991-5-4 2635 z Napa Suscol Ridge Comment
  JEPS35630  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga Comment
  UC33070  Lasthenia glabrata subsp. glabrata Willis L. Jepson 1894-1-1 Napa Conn Valley Comment
  JEPS10173  Lasthenia gracilis W. L. Jepson 1893-5-8 Napa below Mt. Eden (e of St. Helena); Howell Mountain Comment
  RSA633346  Lathyrus aphaca Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. Comment
  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
  CDA4177  Lathyrus hirsutus J. T. Howell 1966-6-2 41552 Napa Dry Creek Road near head of Dry Creek south west of Oakville. 0 Comment
  RSA672690  Lathyrus jepsonii subsp. jepsonii David Amme 2002-10-8 s.n. Napa South east of the town of Napa, growing along the east bank of the Napa River on the northerly side of the old Maxwell Bridge (Imola Ave.). Population extends along the upper edges of the river bank from the bridge northward another 70 feet. 2 Comment
  UCD75720  Lathyrus odoratus Jake Ruygt 1983-4-30 1448 Napa 0.1 mile east of Hwy. 29 on Jameson Canyon Rd. 22 Comment
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. Comment
  UC15376  Lathyrus vestitus var. vestitus Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  UCD48944  Lathyrus vestitus var. vestitus Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 182 Comment
  JEPS64868  Lathyrus vestitus var. vestitus W. L. Jepson 1938-5-25 18858 Napa outside Bell Canyon; Howell Mt. 579 Comment
  JEPS39100  Layia chrysanthemoides W. L. Jepson 1915-4-23 6257 Napa Conn Valley Napa Range, Conn Valley Comment
  UCD133952  Layia chrysanthemoides R. L. Smith 1948-5-7 s.n. Napa Samuel Springs. Comment
  UCD161753  Layia chrysanthemoides Jake Ruygt 1996-4-20 3619 Napa Jameson Vineyards, Jameson Canyon. 57 Comment
  JEPS106617  Layia gaillardioides Jake Ruygt 1980-4-22 858 Napa .7 miles NW of Knoxville on Berryessa-Knoxville Rd. 457 Comment
  CAS-BOT-BC321717  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  JEPS34473  Lemna minuscula L. R. Heckard 1964-5-23 1362 Napa about 2 mi sw of Aetna Springs (Cleary Reserve (Nature Conservancy)); Cleary Reserve (Nature Conservancy) 365 Comment
  UC1543040  Lemna trisulca Donald G. Nelson 1936-4-1 346 Napa Green Valley Falls Comment
  UC1124476  Lepechinia calycina A. Lewis 1932-5-19 102 Napa Sarco Creek 182 Comment
  UCD49099  Lepechinia calycina A. Collier; D. Caterson and S. Kenady 2002-5-4 12 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 S side of road 2 meters. Moderate slope, S-facing. 338 Comment
  RSA769214  Lepidium latifolium L. Ahart 2009-10-27 16482 Napa Below high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 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
  POM272870  Lepidium nitidum Lyman Benson 1931-2-26 2598 Napa Slopes near the hwy summit; Mt St Helena. N of Calistoga. Mayacamas Mtn Range; Napa watershed. 549 Comment
  CAS-BOT-BC12790  Lepidium perfoliatum J. W. Stacey 1931-4-4 s.n. Napa Near Vallejo. Comment
  UCD118599  Leptosiphon androsaceus M. Wiesendanger 1928-4-6 884 Napa Redwood Highway between Calpella and Willits. Comment
  UCD13153  Leptosiphon androsaceus Kathleen Worden 1981-5-24 13 Napa Napa CO. Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. Comment
  OBI11412  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  OBI54928  Leptosiphon androsaceus Kathleen Faustini 1980-5-4 25 Napa Monticello dam Comment
  POM182717  Leptosiphon androsaceus D. D. Keck 1931-4-3 1070 Napa Pope creek canyon, near Walter Springs Comment
  POM182747  Leptosiphon androsaceus D. D. Keck 1931-4-2 1037 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  POM204476  Leptosiphon androsaceus J. T. Howell 1933-5-21 11314 Napa Hills east of Napa. 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
  UCD49214  Leptosiphon bicolor E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 5 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  RSA79005  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17116 Napa 4 mi N along hwy 29 from jct. of hwy 28 at Woodleaf NW of Calistoga Comment
  UCD164494  Leptosiphon ciliatus A. Amezcua 1995-5-26 22 Napa 300 m west of Berryessa- Knoxville Road, approximately 3 km of Spanish Flat Resort. 200 Comment
  JEPS120322  Leptosiphon latisectus Jake Ruygt 2005-4-17 4781 Napa Upper Swartz Creek near Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  HSC43976  Leptosiphon parviflorus Robert M. Specht 1977-5-14 890 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  JEPS129077  Leptosiphon parviflorus Jake Ruygt 2016-4-12 6184 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  SJSU8698  Leptosiphon parviflorus E. C. Garbett 1961-4-15 308 Napa Oakville Grade midway between Mt Veeder Rd & Oakville Comment
  UCD118393  Leptosiphon parviflorus Rachael Olliff; 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
  UCD49218  Leptosiphon parviflorus S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 32 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
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  RSA14531  Lessingia ramulosa Daniel Cleveland 1882-8-23 s.n. Napa Aetna Springs Comment
  RSA8542  Lessingia ramulosa John T. Howell 1933-8-27 11646 Napa E of Chiles Valley on road to Winters, Napa Range. Comment
  SD8921  Lessingia ramulosa Daniel Cleveland 1882-10-6 Napa Aetna Springs Comment
  UC1282679  Lessingia ramulosa J. R. Sweeney 1952-6-15 955 Napa 0.4 mi se of Black Oak Villa in Butts Canyon (1.1 mi from Lake-Napa County line on Pope Valley Road); , Black Oak Villa 243 Comment
  UCR141013  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa Inner North Coast Ranges, northern end of Capell Valley, along Calif. Hwy 128, above Capell Creek 213 Comment
  JEPS20585  Lessingia ramulosa Willis L. Jepson 1901-8-6 1732 A Napa Howell Mountain Napa River Basin Comment
  SEINET7075535  Lewisia rediviva A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UC1198370  Lewisia rediviva Joseph P. Tracy 1902-5-21 1592 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 335 Comment
  JEPS89888  Lilaeopsis masonii Dean Wm. Taylor with Glenn L. Clifton 1990-5-30 10815 Napa Napa R. in Napa, ca. 150 meters downstream of Third St. bridge, on west bank. Comment
  CAS-BOT-BC132957  Lilium rubescens Mr. Merle Ackley; Mrs. Merle Ackley 1957-6-14 s.n. Napa Howell Mt. Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  UCD139755  Lilium rubescens Heidi E. M. Dobson 1978-6-14 337 Napa east side of Mt. Veeder. Comment
  CDA43225  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-3-27 8757 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of it junction with Lower Chiles Valley Road. Comment
  CHSC84509  Limnanthes douglasii subsp. nivea John Dittes 2003-4-5 2003 -12 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  JEPS122739  Limnanthes douglasii subsp. nivea Jake Ruygt 2011-5-7 5779 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  JEPS29593  Limnanthes douglasii subsp. nivea Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8450 Napa about 3/4 mi ne Hardin School; Pope Valley, overflow lands of Burton Creek 182 Comment
  OBI12592  Limnanthes douglasii subsp. nivea R. L. Hoover 1968-4-20 53 Napa On Howell Mtn Rd, on W side of rd at Angwin Comment
  CDA13212  Limnanthes floccosa subsp. floccosa G. F. Hrusa, M. J. Geitner 1996-4-2 12826 a Napa North Coast Biodiversity Arena; Summit of Palisades in Cub Valley. Monte Sol Ranch. Comment
  UC23346  Linanthus acicularis Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  UCD15265  Linanthus bicolor Patsy Barry 1984-5-12 16 Napa serpentine outcrop on Hwy 128 near Moscowite corners: 304 Comment
  JEPS58297  Linanthus ciliatus W. L. Jepson 1893-5-9 20909 Napa w of Rutherford; Napa Valley Comment
  JEPS58393  Linanthus dichotomus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UC1198535  Linanthus dichotomus J. P. Tracy 1902-5-19 1559 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC689684  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 3 mi s Pope Valley Store 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
  JEPS58233  Linanthus jepsonii W. L. Jepson 1924-4-6 10315 Napa Conn Valley Napa Range 91 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
  UC1763996  Linanthus latisectus Douglas W. Schemske 1993-4-25 1 I Napa on Aetna Springs Road, 2.9 mi W of intersetion with Butts Canyon Road Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  UC23784  Linanthus parviflorus Willis L. Jepson 1893-1 Napa Knights Valley road from Calistoga; Napa River Basin Comment
  UCD102707  Lithophragma affine L. P. Thibault 1995-5-21 47 Napa Napa County, South side of Hwy 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  UCD83725  Lithophragma affine Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 4 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 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
  CAS-BOT-BC435614  Lithophragma heterophyllum John Thomas Howell 1931-4-2 6061 Napa Wooden Valley Grade 5 miles E of Napa Comment
  CAS-BOT-BC435616  Lithophragma heterophyllum L. R. Abrams 1928-5-3 12244 Napa Summit St. Helena Grade Comment
  JEPS85028  Lithophragma parviflorum Larry Heckard and Mary Ashton 1969-5-3 2211 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 Comment
  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
  CAS-BOT-BC342436  Logfia gallica Peter H. Raven 1950-4-15 1724 Napa Monticello Road, Napa Valley 24 Comment
  HSC38125  Lomatium californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2350 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  UCSC000522  Lomatium californicum M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  SEINET2159284  Lomatium ciliolatum var. hooveri W. H. Whaley 2007-1 s.n. Napa Aetna Springs area. Comment
  JEPS105675  Lomatium dasycarpum subsp. dasycarpum L. P. Janeway, B. Castro 2002-5-12 7549 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek 488 Comment
  UC723788  Lomatium dasycarpum subsp. dasycarpum Joseph Andorfer Ewan 1934-4-30 8829 Napa near Samuel Springs above Monticello (Pope Valley Grade); Pope Valley Grade Comment
  UCD18025  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 571 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD18065  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Plant Biology 102 class 2000-4-22 620 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
  JEPS17139  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1893-4-28 14304 Napa hills e. Napa Comment
  RSA0000717  Lomatium dasycarpum var. medium W. L. Jepson 1896-6-2 14303 Napa Conn Valley Ridge. Napa Valley Basin. Comment
  UC650720 Image available Lomatium hooveri Mildred E. Mathias 1937-5-23 1298 Napa 1.9 mi se Napa-Lake County line (on road to Knoxville); ; Knoxville, Napa Co. Comment
  SD58378  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills 274 Comment
  JEPS17099  Lomatium marginatum var. purpureum W. L. Jepson 1924-5-8 10417 Napa Napa Range, Chiles Valley Comment
  JEPS41087  Lomatium marginatum var. purpureum Rimo Bacigalupi and L. R. Heckard 1965-5-15 9090 Napa 0.5 mi. s.e. of Devilhead Rd. from Knoxville to Cedar Valley (headwaters of Zim Zim Creek); Zim Zim Creek 487 Comment
  RSA3281A  Lomatium marginatum var. purpureum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  LA90109  Lomatium repostum Freed W. Hoffman; 1947-6-17 1645 Napa . Comment
  UC173178  Lomatium utriculatum Katharine Brandegee 1909-6-1 Napa summit Pope Valley Grade Comment
  UCD149670  Lomatium utriculatum 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
  UCD164761  Lomatium utriculatum Jake Ruygt 2014-4-7 5917 Napa Sutro Ranch, south end near Foss. 700 Comment
  JEPS104515  Lomatium vaginatum Jake Ruygt 1998-5-30 4003 Napa Table Rock 749 Comment
  CAS-BOT-BC240562  Lonicera hispidula L. S. Rose 1927-5-28 s.n. Napa Napa Comment
  JEPS106744  Lonicera interrupta Jake Ruygt 1992-5-25 3002 b Napa west of vernal pool meadow, Wild Horse Valley Ranch 475 Comment
  JEPS107214  Lotus grandiflorus var. grandiflorus Jake Ruygt 1998-6-24 4058 Napa County line ridge between Taylor Bluff and Cottonwood Canyon 737 Comment
  JEPS107210  Lotus micranthus Jake Ruygt 1991-5-4 2639 Napa betweed Fawn Lake and Granite Lake Friesen's Lakes 603 Comment
  RSA293011  Lotus micranthus Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 755 Napa Mt. Saint Helena. Comment
  UC1197311  Lotus pinnatus Joseph P. Tracy 1902-5-21 1625 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC1561231  Lotus purshianus var. purshianus Barbara Ertter with Elizabeth Neese 1988-10-2 7957 Napa ca 15 air mi Napa (s side of Rt 128 across from spillway, on Conn Creek, Lake Hennessey); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  JEPS107201  Lotus strigosus Jake Ruygt 1996-4-6 3560 Napa East end of Rector Reservoir. 152 Comment
  RSA113240  Lupinus albicaulis var. shastensis E. K. Balls, Lee W. Lenz, B. K. Balls 1955-5-12 2450 Napa 1.7 mi. nw. Placer-Nevada Co. Line, along rd. from Coflax to Grass Valley. 747 Comment
  JEPS29589  Lupinus albifrons Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8446 Napa along Atlas Peak Road 8.6 mi n Vichy Springs junction (on Calif. 37); along Atlas Peak Road, n of Vichy Springs jct 548 Comment
  UC504871  Lupinus albifrons R. M. Holman 1933-4-12 Napa near Mt. Veeder; near Mt. Veeder Comment
  UCD47998  Lupinus albifrons Ryan Knox; E. McDermott, and G. Walden 2002-4-13 12 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of the road. 432 Comment
  UCD117809  Lupinus bicolor Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 Comment
  UCD47994  Lupinus bicolor Michele Disney; J. Westbrook,S. Ratay,,R. Wolfson,A. Houser,S. Wathen 2000-4-22 17 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD81439  Lupinus bicolor M. Wiesendanger 1927-5-4 s.n. Napa Monticello. Comment
  UC1300888  Lupinus bicolor Helen K. Sharsmith 1963-4-20 5330 Napa off Kelly Road 4 mi s Napa; San Francisco Bay Region, s of Napa 45 Comment
  JEPS64994  Lupinus bicolor subsp. tridentatus Willis L. Jepson 1897-5-2 32 t Napa St. Helena Napa River Basin, St. Helena Comment
  POM181684  Lupinus densiflorus var. aureus Williams 1927-4-15 s.n. Napa Hills. Comment
  UC196167  Lupinus formosus C. F. Sonne April 1888 Napa field near Napa Junction 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
  UCD18165  Lupinus microcarpus 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
  JEPS107220  Lupinus microcarpus var. densiflorus Jake Ruygt 1979-5-16 604 Napa 8.4 miles east of Monticello Rd. on HWY 128 152 Comment
  OBI48330  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  CDA37922  Lupinus nanus D. G. Kelch 2010-5-6 10 .167 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  SEINET11548759  Lupinus nanus Heather Schneider, Sharma, Manju 2015-1 621- 20150426 -1V Napa Quail Ridge Reserve; about 6 miles NE of Vacaville 226 Comment
  UC126975  Lupinus nanus Willis L. Jepson 1893-5-2 Napa near Palisades (ne<?> Pope Valley grade); Napa River Basin, ne<?> Pope Valley grade Comment
  UCD149704  Lupinus nanus Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Northeast of St.Helena, along Sanitarium Road, east of intersection with Glass Mountain Road, vineyard conversion. Partridge Vineyard property. 95 Comment
  UCD164863  Lupinus nanus Jake Ruygt 2012-4-16 5816 -d Napa South half of Spanish Valley. 237 Comment
  JEPS65423  Lupinus polyphyllus Willis L. Jepson 1893-6-26 24 t Napa Howell Mt.; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CAS-BOT-BC202223  Lupinus sericatus Charles Piper Smith 1932-5-15 4658 Napa St. Helena Inn, highway 29 Comment
  CAS-BOT-BC202227  Lupinus sericatus John Thomas Howell 1934-3-26 11797 Napa Summit of highway, (at Molly Patten's), Mt. St. Helena Comment
  UCD167050  Luzula comosa var. comosa Jake Ruygt 1990-4-28 2512 Napa Bear Valley. 615 Comment
  CAS-BOT-BC441245  Luzula macrantha Peter H. Raven 1953-3-29 5220 Napa Hills east of Imola 121 Comment
  UCD149591  Lythrum hyssopifolia Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC343836  Madia elegans Walter Knight; Irja Knight 1963-10-20 362 Napa Beringer Ranch, Spring Mt. Rd. Town of St. Helena Comment
  UC523529  Madia elegans David D. Keck 1933-11-10 2714 Napa weed field by High School; Calistoga Comment
  CAS-BOT-BC344450  Madia exigua John H. Thomas 1955-5-21 5135 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS106547  Madia exigua Jake Ruygt 1980-5-24 899 Napa Kortum Canyon Rd. 243 Comment
  UCD134257  Madia exigua J. M. Tucker 1971-5-29 4192 Napa on Lower Chiles Valley Road, 1.5 miles northwest of its junction with State Highway 128. Comment
  UCD21540  Madia exigua B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 5 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  CAS-BOT-BC343201  Madia gracilis David D. Keck 1933-5-29 2343 Napa Pope Creek Bridge south of Walters Springs Comment
  JEPS40336  Madia gracilis W. L. Jepson 1896-6-2 Napa Stone Bridge Hill Napa Valley, St. Helena Comment
  UCD13155  Madia gracilis Kathleen Worden 1981-5-24 10 Napa Highway 128, 2.2 miles southeast of Moskowitz Corner. Comment
  UCD18139  Madia gracilis Jean Shepard; with PLB 102 class 2000-4-29 189 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
  UCD63149  Madia gracilis Jake Ruygt 2003-4-14 4498 Napa Lower hills of Blue Ridge east of Zim-Zim Creek. 365 Comment
  CAS-BOT-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  CAS-BOT-BC343202  Madia gracilis J. Clausen 1935-5-22 1071 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  CAS-BOT-BC343205  Madia gracilis H. M. Hall 1931-5-26 13088 Napa Napa Range, west side Comment
  JEPS40204  Madia gracilis Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa River Basin Comment
  POM56189  Madia hallii C. F. Baker 1903-5-8 3079 Napa Knoxville. Comment
  LA203824  Madia nutans J. Clausen; 1935-5-23 1072 Napa Howell Mountain, near summit 6.5 mi. N.E. of St. Helena Comment
  SBBG92575  Madia nutans B. G. Baldwin 1987-4-26 652 Napa Las Posadas St Forest (Howell Mtn) immediately N of dirt Rd leading E of Las Posadas Fire Stn, less than 0.1 mi E of Stn Comment
  SD27912  Madia nutans Carl B. Wolf 1928-5-3 1782 Napa 5.0 miles north of Calistoga; Mt. St. Helena Grade. Comment
  JEPS106679  Madia sativa Jake Ruygt 1987-6-6 2035 Napa end of Redwood Rd.private residence of Mr.Kublor 396 Comment
  CAS-BOT-BC345054  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa Comment
  UC830822  Madia sativa A. A. Heller 1902-5-24 5603 Napa near Napa Comment
  UCD166657  Maianthemum stellatum Jake Ruygt 1999-4-24 4132 Napa Partrick Road. 85 Comment
  CAS-BOT-BC347513  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC347517  Malacothrix floccifera Peter H. Raven 1951-5-6 2824 Napa Burn below Conn Dam 274 Comment
  UCD134397  Malacothrix floccifera B. Wengeler 1995-4-30 s.n. Napa 0.2 mile north of Hwy 128 along Knoxville Road. 183 Comment
  UCD170432  Malacothrix floccifera Daniel Potter; Daniel McNair 2016-4-23 924 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD69017  Malacothrix floccifera P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  JEPS106389  Marah fabacea Jake Ruygt 1976-4-23 17 Napa 2.1 miles NE of Silverado Trail on Deer Park Rd. 213 Comment
  UCD19946  Marah fabacea E. A. Dean; Virginia Boucher 2002-2-28 902 Napa Quail Ridge Reserve. Along East Rd., 0.65 airline miles SE of stock pond at tip of ridge, where East and West Roads converge. 396 Comment
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  JEPS120339  Marsilea vestita subsp. vestita Jake Ruygt 1992-6-13 3037 Napa Bear Valley, pond at the south end. Detert Reservoir 7.5' Quad. Comment
  UCR23895  Medicago arabica John C. Roos 1939-5-2 292 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS65508  Medicago polymorpha W. L. Jepson 1924-4-6 10324 Napa near mouth of Conn Creek (near St. Helena); Napa Valley Comment
  CAS-BOT-BC269412  Melica californica Peter H. Raven 1951-5-20 2847 Napa Hills w. Oakville 365 Comment
  JEPS76086  Melica californica W. L. Jepson 1938-5-22 18819 Napa Pope Valley; Limekiln Creek Canyon Comment
  UCD48192  Melica californica A. Van Houtte; E. Leger, C. Hohn 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just west of Monticello Dam; North of Research Station, north of junction with South Decker Canyon Rd. 365 Comment
  UCR30549  Melica californica John C. Roos 1939-5-14 269 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CAS-BOT-BC282163  Melica geyeri John Thomas Howell 1940-5-19 15448 Napa Upper St Helena Creek Comment
  CAS-BOT-BC282167  Melica geyeri J. P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles E of Angwin's 396 Comment
  JEPS122914  Melica geyeri Jake Ruygt 2005-3-19 4700 Napa Lower Ritchey Creek. Quad: Calistoga. Comment
  JEPS122950  Melica geyeri Jake Ruygt 1983-4-1 1400 Napa Redwood Road north of Mt. La Salle. Quad: Sonoma. Comment
  UC771217  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa 7 mi s Calistoga (along the Silverado Trail Road) Comment
  UCD96193  Melica geyeri Ellen Dean; with Clare Loughran 2011-5-20 7074 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  SEINET4671608  Melica geyeri W. Boyle 1942-4-25 1072 Napa Along the Silverado Trail Road 7 miles south of Calistoga Comment
  JEPS122915  Melica harfordii Jake Ruygt 1999-5-23 4172 Napa Upper Ritchey Creel Trail; Bothe State Park. Quad: Calistoga. Comment
  RSA10131  Melica torreyana Joseph P. Tracy 1933-6-2 12477 Napa Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 396 Comment
  SEINET200624 Image available Melica torreyana J. P. Tracy 1933-6-2 12465 Napa Howell Mtn Rd 5 mi E of St Helena 305 Comment
  UC1103165  Melica torreyana J. P. Tracy 1902-5-22 1628 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 365 Comment
  UC421629  Melica torreyana Alice Eastwood 1922-5-4 11247 Napa Calistoga Comment
  UCD36953  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  UCD88834  Melica torreyana Beecher Crampton 1956-5-25 3472 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD88838  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  UCD89195  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  CHSC102250  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 134 Comment
  JEPS115749  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters 134 Comment
  JEPS112577  Mentha arvensis Jake Ruygt 1982-6-29 1350 Napa .3 miles south of Old Bale Mill on west side of HWY 29 97 Comment
  JEPS115773  Mentha pulegium Lowell Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  CAS-BOT-BC428854  Micranthes californica C. B. Wolf 1928-2-25 1496 Napa Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  CAS-BOT-BC428856  Micranthes californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD164762  Micranthes californica Jake Ruygt 2014-4-7 5920 Napa Sutro Ranch, south end near Foss. 519 Comment
  UCD19940  Micranthes californica E. A. Dean; Virginia Boucher 2002-2-28 898 Napa Quail Ridge Reserve. Along West Rd., 1.1 airline miles north of junction of West Rd. and Decker Canyon Trail. 274 Comment
  CAS-BOT-BC322616  Micropus amphibolus John H. Thomas 1959-4-19 7111 Napa About 2 miles SW of Oakville 152 Comment
  UCD17973  Micropus amphibolus Ellen Dean; Kate Mawdsley 2001-4-9 692 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD48575  Micropus amphibolus Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 26 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Road, N of jct with South Decker Canyon Rd. 335 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
  SFV4057  Micropus californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek, about 0.5 miles west of Devilhead Road and about 3 miles south southwest of Knoxville. Comment
  CAS-BOT-BC348544  Micropus californicus var. californicus Peter H. Raven 1953-5-2 5374 Napa Hills due e. of Yountville 152 Comment
  JEPS106897  Micropus californicus var. californicus Jake Ruygt 1979-4-21 533 Napa east of east end Westgate Dr.,Napa 121 Comment
  UC527930  Micropus californicus var. californicus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6655 Napa roadside 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  CAS-BOT-BC348540  Micropus californicus var. californicus H. L. Mason 1934-4-30 8103 Napa West side of Wooden Valley grade, near summit Comment
  CAS-BOT-BC348546  Micropus californicus var. californicus L. S. Rose 1927-5-28 s.n. Napa Napa Valley 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
  CAS-BOT-BC348965  Microseris douglasii subsp. douglasii Brandegee No date on label s.n. Napa Suisun Comment
  JEPS36215  Microseris douglasii subsp. douglasii W. L. Jepson 1924-5-8 10418 Napa Chiles Valley Comment
  POM41557  Microseris douglasii subsp. douglasii Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD148785  Microseris douglasii subsp. douglasii Ellen Dean; Diana Hickson 2014-4-29 8093 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC349100  Microseris douglasii subsp. tenella M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  POM41560  Microseris douglasii subsp. tenella Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC26855  Mimulus angustatus W. L. Jepson 1893-4-28 Napa plateau n Mt. George; Napa Range Comment
  UCD122156  Mimulus angustatus Kim E. Steiner 1978-4-29 204 Napa Rancho La Jota, 0.4 mi S of Las Posadas State Forest fire station entrance. 563 Comment
  JEPS110614  Mimulus arvensis Jake Ruygt 2000-5-6 4235 Napa Lawley Toll Rd near old log barn. 384 Comment
  UCD14920  Mimulus aurantiacus Glen Dreyer 1977-4-16 39 Napa California, Napa Co.; along Highway 128, ca. 3 mi. west of Monticello Dam; Comment
  JEPS41084  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9096 Napa about 3 air mi s Knoxville (in canyon just sw of waterfall of Zim Zim Creek, leading to headwaters of Nevada Creek) 396 Comment
  RSA60354  Mimulus aurantiacus var. aurantiacus G. R. Campbell 1948-6-18 657 Napa 10 miles south of Montecello Comment
  UC796465  Mimulus aurantiacus var. aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa about 1.5 mi from Calistoga (along old toll road between Calistoga and Middletown) Comment
  UC1177879  Mimulus bolanderi Francia Chisaki 1957-5-30 970 Napa between Chiles Valley and Monticello; Soda Creek Comment
  JEPS10249  Mimulus cardinalis Alice King July 1919 Napa Van Ness ranch Mt. St. Helena Comment
  UC125330  Mimulus congdonii unknown Napa Howell Mountain Comment
  JEPS39727  Mimulus congdonii J. F. Ammirati 1965-2-21 23 Napa ca. 2 mi se Calistoga (at Upper Valley Disposal (Garbage) Area, e of Silverado Trail) 243 Comment
  SBBG28944  Mimulus douglasii J. T. Howell 1940-5-19 Napa upper Saint Helena Crk Comment
  HSC58981  Mimulus guttatus G. E. Johnston 1974-4-4 1023 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  RSA10697  Mimulus guttatus Carl B. Wolf 1928-5-3 1790 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD170682  Mimulus guttatus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  RSA50066  Mimulus guttatus G. R. Campbell 1948-6-18 656 Napa 5 miles north of Calistoga on road from Middleton. Comment
  UC26955  Mimulus kelloggii W. L. Jepson 1893-5-2 29 m Napa Pope Valley grade from Calistoga Comment
  JEPS100846  Mimulus layneae Dean Wm. Taylor with Mey Akasah 1999-6-4 17224 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  JEPS110610  Mimulus layneae Jake Ruygt 1992-5-15 2958 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
Read comments Nov 11 2011
  JEPS110615  Mimulus layneae Jake Ruygt 1999-5-17 4161 Napa Wild Horse Valley Ranch, near Leoma Lakes. 429 Comment
  JEPS8205  Mimulus layneae W. L. Jepson 1893-6-26 35 m Napa Howell Mountain Comment
  RSA670138  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd, 1 mi NW of Homsestake mine. 655 Comment
Read comments Nov 11 2011
  JEPS41075  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9102 Napa about 6 1/2 mi se Knoxville (on a flat 1/2 mi due n of Cedar Valley) 609 Comment
  SEINET7041070  Mimulus micranthus Christopher T. Ivey 2002-4-24 361 Napa In spring at top of the Big Meadow, Wantrup Wildlife Preserve, 4733 Hardin Road, 1.9 miles south of Pope Canyon Road on Hardin Road. Comment
  JEPS11439  Mimulus microphyllus W. L. Jepson 1921-5-6 9171 Napa Calistoga 109 Comment
  JEPS110596  Mimulus pilosus Jake Ruygt 1992-6-11 3026 Napa south of Mitten lake, Wild Horse Valley Ranch 438 Comment
  UC147883  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, dry stream bed); Howell Mountain, La Jota Plateau 518 Comment
  JEPS110593  Mimulus rattanii Jake Ruygt 1992-4-29 2909 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  JEPS29590  Minuartia californica Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8447 Napa along Atlas Peak Rd 4.8 mi n Vichy Springs (junction of Calif. 37) (due w of and above Milliken Reservoir) 335 Comment
  SFV8436  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 miles east of Middletown. 305 Comment
  POM181329  Minuartia douglasii J. T. Howell 1931-4-19 6458 Napa Conn Valley. Comment
  UC1103536  Minuartia douglasii Joseph P. Tracy 1902-5-15 1484 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  JEPS84704  Minuartia douglasii John W. Willoughby 1977-4-20 2140 Napa below and just to s of Mount Vaca (w side of ridge); Vaca Mountains, Blue Ridge 457 Comment
  UCD166668  Monardella villosa subsp. villosa Jake Ruygt 1992-6-24 3056 Napa Tuteur Ranch, end of Green Valley Rd. 292 Comment
  CAS-BOT-BC220690  Monardella viridis Elizabeth McClintock 1952-8-31 52 -602 Napa About 4 miles north of Aetna Springs, in Butts Canyon Comment
  LA54246  Monardella viridis Robert F. Hoover; 1941-8-24 5575 Napa Mount St. Helena, E side Comment
  UC1602273  Monardella viridis Jepson 1893-5-4 32 f Napa Mt. St. Helena Comment
  UCD167097  Monardella viridis Jake Ruygt 2015-6-13 6129 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  CAS-BOT-BC220696  Monardella viridis Willie Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  JEPS110827  Monardella viridis subsp. viridis Jake Ruygt 1988-7-12 3513 Napa Taylor property, south of Lake Hennessey boatramp on private r 445 Comment
  JEPS55471  Monardella viridis subsp. viridis Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  SEINET10582243  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 372 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  UC195823  Monolopia major C. F. Sonne Apr 1888 Napa field near Napa Junction Comment
  JEPS43386  Montia fontana W. L. Jepson 1921-5-6 9179 Napa Calistoga 109 Comment
  UCD37368  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  CAS-BOT-BC515121  Muilla maritima Alice Eastwood 1915-6-5 4630 Napa Calistoga Comment
  CAS-BOT-BC515122  Muilla maritima David D. Keck 1931-4-4 1096 Napa Geyers just NW of Calistoga, northwestern Napa County Comment
  UC60162  Nassella cernua W. L. Jepson 1896-6-2 Napa near St. Helena; Stone Bridge Comment
  CAS-BOT-BC259966  Nassella lepida Milo S. Baker 1945-5-11 10895 Napa Boundary ridge between Napa and Sonoma Counties near Summit of Spring Mountain Road Comment
  CAS-BOT-BC260177  Nassella pulchra John Thomas Howell 1931-4-2 6087 Napa Summit of Wooden Valley Grade 8 miles E of Napa Comment
  UCD18148  Nassella pulchra Jean Shepard; with PLB 102 class 2000-4-29 203 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
  UCD87658  Nassella pulchra Robert E. Preston 1988-4-10 581 Napa 0.4 miles southwest of the confluence of Putah and Hunting Creeks, on a southeast-facing slope. Jericho Valley 7.5 feet quad. 268 Comment
  UCD36945  Navarretia intertexta subsp. intertexta Beecher Crampton 1956-5-25 3470 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS112532  Navarretia intertexta subsp. intertexta Jake Ruygt 1994-6-14 3403 Napa near Butts Canyon, E of intersection with Ink Grade 231 Comment
  RSA83074  Navarretia jepsonii Verne Grant, Alva Grant 1946-5-26 7638 Napa By Guinot Lake, Pope Valley Comment
Read comments Jun 4 2014
  UCD160675  Navarretia jepsonii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8747 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  UCD170458  Navarretia jepsonii Daniel Potter; Ninh Khuu 2016-6-18 887 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 Comment
  JEPS112556  Navarretia mellita Jake Ruygt 1985-6-15 1611 Napa SW of Rancho Monticello on ridgeline 365 Comment
  UCD167193  Navarretia mellita Jake Ruygt 1990-6-9 2591 Napa Arrowhead Mountain. 225 Comment
  SEINET5642396  Navarretia paradoxinota Leigh A. Johnson 1996-5-26 96 -012 Napa Along Snell Valley Road within 50 yards of jct. between Snell Valley Road and Butts Canyon Road. In moist earth and shallow pool along S side of road. 350 Comment
  CAS-BOT-BC232673  Navarretia pubescens John H. Thomas 1955-5-21 180 J Napa Near State Highway No 128 and Cappell Creek, about 12 miles E of St Helena 274 Comment
  JEPS112553  Navarretia pubescens Jake Ruygt 1981-5-21 1041 Napa Putah Creek north of Snell Valley 231 Comment
  SD131880  Navarretia pubescens Barbara Ertter, Annetta Carter 1989-5-28 8495 Napa Schoolhouse Cove on NW end of Lake Berryessa 500 Comment
  JEPS123265  Navarretia rosulata David Gowen with Jake Ruygt 2011-6-11 1157 Napa Cedar Roughs. Comment
  UC909076  Navarretia viscidula Herbert L. Mason 1935-5-30 8321 Napa just s Napa State Hospital Comment
  JEPS106577  Nemacladus capillaris Jake Ruygt 1992-6-13 3034 Napa Bear Valley, on road, west of creek 633 Comment
  JEPS129026  Nemacladus montanus Jake Ruygt 2016-5-7 6241 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  POM224204  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  SEINET10461249  Nemacladus montanus Mason 1935-5-30 Mason 10000 Napa 4 miles north of Knoxville Mines Comment
  SEINET10461258  Nemacladus montanus Rimo Bacigalupi, Lauramay T. Dempster; Guy T. Robbins 1954-5-25 Bacigalupi 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir) Comment
  SEINET1869547  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-1 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake reservoir. Comment
  SEINET3815165 Image available Nemacladus rigidus Herbert L. Mason 1935-5-30 10000 Napa Four miles N of Knoxville Mines Comment
  CAS-BOT-BC219371  Nemophila Saichi Kawahara 1968-4-20 342 Napa Chiles-Pope Valley Road, 2 miles south of Pope Valley 259 Comment
  CAS-BOT-BC7191  Nemophila heterophylla Mary Katherine (Mrs.) Brandegee 1889-4-1 s.n. Napa St. Helena Comment
  UCD120070  Nemophila heterophylla M. Wiesendanger 1928-4-5 857 Napa Monticello-Napa Rd. 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
  RSA733621  Nemophila menziesii Keith E. Hoffmaster 1946-3-23 1076 Napa Napa range, along Napa-Monticello road. Comment
  JEPS1480  Nemophila menziesii W. L. Jepson 1940-2-29 19497 Napa Yount School Vicin San Francisco Bay, e side Napa Valley, Yount School (e side Napa Valley, vicinity of San Francisco Bay) Comment
  UCD23405  Nemophila menziesii Leslee Newton 1977-4-16 6 Napa Erect plants 2-4 inches tall, leaves green, pinnately lobed and pubescent, stems also pubescent. Flower petals with blue margins and veins, the rest white. Foothill woodland, scattered patches of 3-4 individuals in open field. 6.4 miles SSW of Monticello Dam on Highway 128. 182 Comment
  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
  JEPS110846  Nemophila menziesii var. menziesii Jake Ruygt 1998-4-18 3910 Napa Pope Valley, N of intersection of Pope Canyon Rd X Hardin Rd 182 Comment
  RSA201829  Nemophila menziesii var. menziesii Gary W. Elmstrom 1965-3-19 8 Napa Open meadow along Dollarhide Road, 3.5 miles east of Pope Valley. Comment
  UCD118354  Nemophila menziesii var. menziesii Reed Crane; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, on Recreation flat. 387 Comment
  JEPS110843  Nemophila menziesii var. menziesii Jake Ruygt 1997-3-18 3912 Napa Conn Valley Road, 4 mi E from Silverado Trail 103 Comment
  JEPS12384  Nicotiana quadrivalvis W. L. Jepson 1922-10-22 9838 Napa near mouth of Conn Creek; Napa Valley Comment
  JEPS12387  Nicotiana quadrivalvis W. L. Jepson 1894-11-5 21248 Napa Napa River above St. Helena; Napa River Comment
  UCD110200  Notholithocarpus densiflorus D. Sanchez-Mata 1996-6-22 s.n. Napa Pope Valley-Napa Valley. 520 Comment
  UCD148741  Notholithocarpus densiflorus Jake Ruygt 2002-9-6 4456 Napa Napa County, Angwin; Summit Lake Drive about 1 mile north of White Cottage Rd. 832 Comment
  UCD54563  Nuttallanthus texanus K. Walker; PLB 102 2006-5-13 5 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS120434  Oenothera glazioviana Jake Ruygt 2009-7-4 5457 Napa Silverado trail north of Pope Street. Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  JEPS110570  Orobanche uniflora Jake Ruygt 1982-4-25 1202 Napa Swartz Canyon near falls 381 Comment
  JEPS10848  Orobanche uniflora subsp. occidentalis Mrs. D. O. Clara Hunt''Mrs. D. O. (Clara) Hunt 1909-4-8 Napa Saint Helena. Comment
  JEPS80612  Orobanche valida subsp. howellii Glenn Clifton 1981-1-1 7863 Napa Devilhead Creek Knoxville Quad., Devilhead Creek Comment
  POM161092  Orthocarpus faucibarbatus R. C. Bacigalupi 1926-3-27 1253 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  SEINET12329998  Orthocarpus lithospermoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -324 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 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
  JEPS104693  Packera clevelandii John L. Morrison 1936-9-20 1933 Napa Knoxville Mine Comment
  JEPS23648  Packera clevelandii W. L. Jepson 1897-7-12 Napa near Samuel's Springs; Pope Creek Comment
  SD52970  Packera eurycephala Peter H. Raven 1962-5-31 17919 Napa by stream in serpentine on Lower Lake- Knoxville road, 1.9 miles south of Lake County line. Comment
  CAS-BOT-BC316937  Packera greenei R. C. Bacigalupi; R. S. Ferris; I. L. Wiggins 1933-6-2 6683 Napa Butt's Canyon, 10 mi. N of Howell, Mtn. Comment
  UCD33483  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa Napa County, ca. 3 miles north of Moskowite Corner on Hwy. 128. Comment
  JEPS50029  Parvisedum pumilum Willis L. Jepson 1893-4-28 13446 Napa ne of (and near) Napa City (Napa River Basin); Napa River Basin Comment
  UC571849  Parvisedum pumilum H. L. Mason 1935-5-5 3645 Napa 3 mi s of Napa City Comment
  UC972131  Parvisedum pumilum Helen K. Sharsmith 1952-6-7 4122 Napa road to Atlas Peak, Inner North Coast Ranges Atlas Peak; Inner North Coast Ranges 609 Comment
  JEPS70594  Paspalum dilatatum R. S. Pearse Napa Napa; Soda Springs Road Comment
  CAS-BOT-BC259732  Paspalum distichum Peter H. Raven 1951-9-9 3897 Napa Near Slaughterhouse Point, Napa River 0 Comment
  JEPS120404  Paxistima myrsinites Jake Ruygt 1995-4-9 3423 Napa Van Ness Canyon near feeder creek to Van Ness Creek Comment
  UCD118118  Pectocarya pusilla Megan Mateo; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on south side of road. 518 Comment
  UCD20782  Pectocarya pusilla V. (Shorty) Boucher 2002-3-27 1 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of the intersection of West and East roads, along upper Ridge road. On the road through burned chaparral at the north tip of the peninsula. 320 Comment
  CHSC22786  Pedicularis densiflora Carol Getzinger 1964-3-24 15 Napa Mt. Veeder Road, 0.3 mi s of jct with Dry Creek Road. 548 Comment
  UCD123314  Pedicularis densiflora D. C. Finfrock 1950-4-2 17 Napa 7.2 miles from St.Helena on road to Pope Valley. Comment
  UCD169887  Pedicularis densiflora Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 726 Napa Knoxville Wildlife Area. 311 Comment
  UCD19956  Pedicularis densiflora E. A. Dean; Virginia Boucher 2002-2-28 900 Napa Quail Ridge Reserve. Along East Rd., 1.4 airline miles N of Hwy 128. 365 Comment
  UCR20384  Pedicularis densiflora D. V. Hemphill, J. C. Roos 1949-4-16 4289 Napa North Coast Range, Pacific Union College, Howell Mountain 499 Comment
  UCD67968  Pedicularis densiflora D. Levine 1974-4-6 47 Napa Headwaters of Wragg creek, 4 miles from junction 121 on highway 128. 304 Comment
  UC57304  Pellaea andromedifolia J. P. Tracy 1902-5-22 1624 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 365 Comment
  CAS-BOT-BC69210  Pellaea andromedifolia Peter H. Raven 1954-1-22 6379 Napa Sulphur Springs Resort, w. of St. Helena 121 Comment
  JEPS129056  Pellaea mucronata var. mucronata Jake Ruygt 2016-12-3 6298 Napa Butts Canyon southwest of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UCD149673  Pellaea mucronata var. mucronata Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCR219835  Pellaea mucronata var. mucronata Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  UC1301208  Penstemon heterophyllus Helen K. Sharsmith 1962-6-3 5113 Napa near Angwin; San Francisco Bay Region, western slope Mount Howell 487 Comment
  NY601707  Penstemon heterophyllus var. heterophyllus P. H. Raven 1951-6-26 3059 Napa Wooden Valley Grade 304.8 Comment
  UC146236  Penstemon heterophyllus var. purdyi J. P. Tracy 1902-5-16 1486 Napa 3-4 mi e Angwin's (head of Moore's Creek); , Howell Mountain 457 Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  CAS-BOT-BC245719  Penstemon newberryi var. sonomensis L. R. Abrams 1928-5-4 12259 Napa Mt. St. Helena trail near Stevenson's monument Comment
  JEPS120382  Pentachaeta alsinoides Jake Ruygt 1983-4-26 1445 Napa Hwy 12 at Sonoma Co. line Comment
  CAS-BOT-BC71672  Pentagramma triangularis subsp. triangularis Elsa G. Ruckert 1960-3-12 23 Napa on private road leading in to 6495 Dry Creek Road 365 Comment
  JEPS103986  Pentagramma triangularis subsp. triangularis Jake Ruygt 1997-3-18 3804 Napa Greenfield Road 207 Comment
  JEPS60094  Pentagramma triangularis subsp. triangularis W. L. Jepson 1934-10-16 16894 Napa Adam and Eve Ridge Howell Mt 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
  UC474216  Pentagramma triangularis subsp. triangularis H. F. Copeland 1925-3-13 Napa Putah Creek Comment
  JEPS104486  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1991-7-24 2799 Napa Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  JEPS104483  Perideridia oregana Jake Ruygt 1998-7-6 4078 Napa SW of Snell Peak. 390 Comment
  UCD63190  Perideridia oregana Jake Ruygt 2002-6-21 4437 Napa Missimer Wildflower Preserve, 1/4 mile up creek, south side of Snell Valley. 228 Comment
  JEPS120312  Persicaria hydropiperoides Jake Ruygt 1992-8-6 3122 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  CAS-BOT-BC419150  Persicaria maculosa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley 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
  SBBG11769  Phacelia distans H. and M. Dearing 1939-5-3 3270 Napa Sage Cyn near Rutherford Comment
  UCD167993  Phacelia divaricata James A. Neilson Jr. 1977-4-13 3870 Napa Oat Hill Mine Rd., 1/2 mile east Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD170435  Phacelia divaricata Daniel Potter; Peter Lash 2017-3-28 907 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 445 Comment
  RSA195343  Phacelia divaricata Gilbert Muth 1967-5-17 687 Napa Summit of Oat Hill Road. 671 Comment
  RSA10669  Phacelia egena Carl B. Wolf 1928-5-3 1820 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SBBG41206  Phacelia imbricata J. T. Howell 1931-4-3 Napa Pope Crk Cyn, 8 mi from Monticello Comment
  UCD166689  Phacelia imbricata subsp. imbricata Jake Ruygt 1998-5-16 3966 b Napa Maggies Peak, near Bismark Knob. 594 Comment
  UCSC000588  Phacelia imbricata subsp. imbricata Charisse Bickford 1979-5-14 s.n. Napa about 5 miles west of Winters Winters - Putah Canyon 579 Comment
  CAS-BOT-BC134012  Phacelia imbricata var. imbricata John H. Thomas 1955-5-21 5153 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 167 Comment
  UCD164765  Phalaris lemmonii Jake Ruygt 2014-5-1 5936 Napa Soscol Creek vernal pools, easy of Hwy 221. 27 Comment
  CAS-BOT-BC250694  Phalaris paradoxa Peter H. Raven 1951-6-26 3100 Napa 4 mi. n. Vallejo, nr. Solano Co. line 30 Comment
  JEPS85036  Phlox gracilis Larry Heckard and Mary Ashton 1969-5-3 2199 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  JEPS42595  Phoradendron densum Willis L. Jepson 1893-5-5 Napa Mt. St. Helena grade to Middleton Comment
  UC1039590  Phoradendron densum Herbert L. Mason 1926-1-2 2608 Napa Mt. St. Helena, Toll House Canyon Comment
  CAS-BOT-BC171139  Phoradendron serotinum subsp. tomentosum J. J. Walters 1932-3-6 s.n. Napa St. Helena 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
  CDA34680  Physalis lancifolia L. Ahart 2009-10-27 16500 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
  RSA451852  Physocarpus capitatus T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  CDA12114  Pickeringia montana G. F. Hrusa 1989-5-2 7185 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  UCD15251  Pickeringia montana Ted Graber 1984-5-12 20 Napa along highway 128, 3 miles west of Moskowite corner. 243 Comment
  UC1197436  Pickeringia montana var. montana Joseph P. Tracy 1899-7-6 398 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  SD136373  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  SEINET267027  Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves 7.2 mi NW of Pope Valley 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
  JEPS46893  Pinus sabiniana W. L. Jepson 1895-11-1 Napa Howell Mountain Comment
  UC1600395  Pinus sabiniana W. L. Jepson 1896-1 Napa St. Helena Comment
  CAS-BOT-BC228012  Plagiobothrys L. R. Abrams 1928-5-3 $ 12229 Napa St. Helena Grade Comment
  JEPS129089  Plagiobothrys bracteatus Jake Ruygt 2016-4-19 6195 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  JEPS60937 Image available Plagiobothrys bracteatus W. L. Jepson 1897-5-2 21170 Napa near Calistoga; Napa Valley Comment
  POM226101  Plagiobothrys bracteatus J. T. Howell 1933-5-21 11321 Napa Napa Comment
  UCD74379  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 mile south of Pope Canyon Road on Hardin Road. 183 Comment
  SEINET7063153  Plagiobothrys fulvus A. G. Vestal 1963-4-7 s.n. Napa East-facing slope about 3.8 miles north of Saint Helena on the Silverado Trail. UTM Zone 10, 543982mE, 4266952mN. (WGS84/NAD83). 98 Comment
  UCD164856  Plagiobothrys fulvus var. campestris Jake Ruygt 2012-4-21 5830 Napa Crystal Flats, west of Putah Creek. 216 Comment
  JEPS129161  Plagiobothrys greenei Jake Ruygt 2015-3-28 6062 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  JEPS68063  Plagiobothrys nothofulvus W. L. Jepson 1897-5-2 21158 Napa St. Helena Comment
  UCD148840  Plagiobothrys nothofulvus Ellen Dean; Diana Hickson 2014-4-29 8144 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD169884  Plagiobothrys nothofulvus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 723 Napa Knoxville Wildlife Area. 352 Comment
  UCD81818  Plagiobothrys nothofulvus Ellen Dean 2009-4-24 5445 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS68095  Plagiobothrys nothofulvus W. L. Jepson 1900-3-10 532 Napa hills e St. Helena Comment
  UC1301088  Plagiobothrys nothofulvus Helen K. Sharsmith 1963-4-20 5345 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of range) 152 Comment
  SEINET12275936  Plagiobothrys scriptus P. H. Raven 1957-1 10741 Napa near the hot springs at the airport, Calistoga Comment
  UC192203  Plagiobothrys stipitatus C. F. Sonne Apr 1887 Napa Napa Junction Comment
  JEPS129019  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2016-5-7 6237 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD74386  Plagiobothrys stipitatus var. micranthus Jake Ruygt 1982-4-14 1185 Napa East of Rocktram, west of Hwy. 221. 1 Comment
  CAS-BOT-BC228492  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  CAS-BOT-BC228495  Plagiobothrys strictus Alice Eastwood 1900-5-7 s.n. Napa Calistoga Comment
  JEPS24975  Plagiobothrys strictus W. L. Jepson 1893-5-2 Napa Calistoga Comment
  UCD38370  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  JEPS106761  Plagiobothrys tenellus Jake Ruygt 1982-3-22 1143 Napa Kreuze Canyon 381 Comment
  JEPS68151  Plagiobothrys tenellus Willis L. Jepson 1893-4-28 21159 Napa plateau n Mt. George; Napa River Basin, Napa Range Comment
  UC881357  Plagiobothrys tener var. subglaber Milo S. Baker 1936-4-8 8176 Napa on road to Lower Lake ca 2 mi n Knoxville Comment
  JEPS110789  Plantago coronopus Jake Ruygt 1993-5-11 3260 Napa Milton Road north of the railroad tracks 0 Comment
  JEPS37918  Plantago elongata John Thomas Howell 1934-3-25 11780 Napa Cuttings Wharf Napa River Comment
  JEPS110786  Plantago erecta Jake Ruygt 1986-3-6 1633 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 146 Comment
  UCD18154  Plantago erecta Jean Shepard; with Plant Biology 102 class 2000-4-29 192 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD49192  Plantago erecta Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  POM203259  Plantago erecta J. T. Howell 1931-4-2 6052 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  UCD69078  Plantago erecta P. Rodriguez-Rojo 1997-5-31 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  UCD170431  Plantago lanceolata Daniel Potter; Daniel McNair 2016-4-23 923 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  JEPS110759  Plantago major Jake Ruygt 1996-5-11 3657 Napa SE of Suscol; Napa Sanitation District; Somky Ranch. 3 Comment
  CAS-BOT-BC91872  Platystemon californicus Ella Dales Cantelow 1939-4-8 2515 Napa Pope Creek Junction with Walter's Spring Roads. Comment
  UCD96076  Platystemon californicus R. L. Smith 1948-5-1 s.n. Napa east branch of Monticello Valley, 3 miles east of Samuel Springs. Comment
  JEPS110900  Plectritis brachystemon Jake Ruygt 1994-5-14 3370 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 487 Comment
  JEPS4816  Plectritis brachystemon Miss R. Kuhn 1912-5-28 Napa Oakville Comment
  JEPS5112  Plectritis brachystemon W. L. Jepson 1900-3-10 515 Napa near Toland House (Howell Mountain); Howell Mountain Comment
  UCD49301  Plectritis ciliosa A. Van Houtte; E. Leger and C. Hohn 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  JEPS5140  Plectritis ciliosa subsp. ciliosa R. Kuhn 1912-4-10 Napa Oakville Comment
  RSA261550  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Montcello Dam, off State Hwy 128. Comment
  JEPS110895  Plectritis macrocera Jake Ruygt 1979-5-20 613 Napa 1.6 miles north of White Cottage Rd. on Summit Street 694 Comment
  JEPS14266  Plectritis macrocera Bacigalupi and Dempster May, 1955 4446 B Napa between Chiles Valley and Monticello Valley Comment
  OBI8696  Plectritis magna Bacigalupi & Dempster, Dempster 1954-5-10 4444 Napa Conn Cyn Reservoir Comment
  UC936193  Pleuropogon californicus H. L. Mason 1931-4-12 5833 Napa grounds s of Napa State Hospital Comment
  UCD90200  Pleuropogon californicus M. Wiesendanger 1928-4-5 870 Napa Near Calistoga. Comment
  CAS-BOT-BC260959  Pleuropogon californicus var. californicus John Thomas Howell 1967-5-18 42245 Napa Big geysers north of Calistoga Comment
  UCD90178  Pleuropogon californicus var. californicus Joseph P. Tracy 1938-6-6 15844 Napa Napa Valley. Between Napa City and Yountville. 30 Comment
  CAS-BOT-BC244370  Poa annua Peter H. Raven 1950-4-15 1705 Napa Along streets, Napa 9 Comment
  UCD90286  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3546 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS122931  Poa howellii Jake Ruygt 1984-5-5 1542 Napa Bell Canyon Creek. Quad: Saint Helena. Comment
  SEINET200841 Image available Poa howellii J. P. Tracy 1902-5-16 1510 Napa Howell Mountain head of Moore's Creek 3-4 miles E of Angwin's. 335 Comment
  UCD91107  Poa howellii Beecher Crampton 1957-4-15 3928 Napa Martley Canyon, Vaca Mountains. Comment
  RSA0000483  Poa napensis A. A. Beetle 1946-5-7 4256 Napa 2 mi. north of Calistoga at Myrtledale Hot Springs. Comment
  UCD91866  Poa pratensis Beecher Crampton 1953-6-2 1435 Napa along Hwy. 53, 8 miles south of Middletown. Comment
  CDA11432  Poa secunda G. F. Hrusa, M. Tu 1995-5-6 12155 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  RSA10674  Poa secunda C. B. Wolf 1928-5-3 1814 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS122924  Poa secunda subsp. secunda Jake Ruygt 1983-4-13 1423 Napa Snell Valley west of Stagecoach Canyon Road. Quad: Aetna Springs. Comment
  UCD90836  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7332 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  UCD41417  Pogogyne douglasii Susan Harrison 2003-6-10 s.n. Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  SEINET7968092  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Near Calistoga. 91 Comment
  UCD125418  Pogogyne douglasii G. H. Vansell 1934-5-16 s.n. Napa Napa Valley. Comment
  UCD160766  Pogogyne serpylloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8636 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
  UCD98413  Polycarpon tetraphyllum Freed W. Hoffman 1946-8-20 1855 Napa Conn Reservoir. Comment
  UCD98415  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  POM126399  Polygala californica H. P. Chandler 1907-5-19 7581 Napa White Sulphur Spring, St. Helena 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-BC109159  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Howell Mountain. Comment
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  UC6673  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa e Camp 64; Napa Valley 609 Comment
  UC6676  Polygonum californicum Brewer 856 Napa Napa Hills Comment
  JEPS50621  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River; bed Comment
  UC1562673  Polygonum lapathifolium Barbara Ertter with Elizabeth Neese 1988-10-2 7962 Napa e boat-luanching ramp on SE edge of lake (ca 15 air mi nnw of Napa); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  JEPS112589  Polygonum parryi Jake Ruygt 1992-5-20 2985 Napa south of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UC1198090  Polygonum parryi Joseph P. Tracy 1933-6-2 12457 Napa La Jota Plateau Howell Mountain (hills at head of Moore's Creek, 5 mi e of Angwin's) 518 Comment
  CAS-BOT-BC419846  Polygonum patulum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River Comment
  JEPS115743  Polygonum punctatum 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 133 Comment
  OBI10872  Polygonum spergulariiforme Robert F. Hoover 1966-8-23 9920 Napa E side of Mt St Helena Comment
  CHSC46172  Polypodium californicum Lowell Ahart 1976-3-7 1023 Napa About 2 miles south-west of the Monticello Dam. 152 Comment
  SEINET3873602  Polypodium californicum Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-13 166 Napa Uc Davis, Stebbins Cold Canyon Reserve. Near main trailhead.; 0 160 Comment
  JEPS116556  Polypodium calirhiza Jake Ruygt 2000-4-3 4229 Napa Henry Road, Henry Ranch, Carneros Valley. Napa 7.5' Quad. Comment
  CAS-BOT-BC76855  Polypodium calirhiza Peter H. Raven 1954-1-22 6380 Napa Sulphur Springs Resort, west of St. Helena. 121 Comment
  SBBG128694  Polypogon interruptus L. Ahart 2009-10-12 16466 Napa below high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  SACT002023  Polypogon maritimus 1925-5-25 Napa No collector/determiner listed. Comment
  CAS-BOT-BC237257  Polypogon monspeliensis Betty H. Johnson 1968-6-8 599 Napa Near Saint Helena River, 6.4 miles SW of Middletown Comment
  UCD91435  Polypogon viridis Collector Unknown 1941-6-1 s.n. Napa Road from Napa to Locoya. Comment
  UC1242054  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  CAS-BOT-BC72344  Polystichum imbricans subsp. imbricans Betty H. Johnson 1958-6-20 664 Napa near Mt. Mill House, 6.4 mi. S.W. of Middletown Comment
  CAS-BOT-BC72465  Polystichum munitum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, side of Mt. Veeder Comment
  CAS-BOT-BC445237  Portulaca oleracea Peter H. Raven 1952-5-26 4030 Napa Rutherford 53 Comment
  UCD167134  Potamogeton diversifolius Jake Ruygt 2015-6-1 6118 x Napa Milliken Creek in Foss Valley. 177 Comment
  JEPS42990  Potamogeton pusillus Willis L. Jepson 1893-4-24 13772 Napa hills e of St Helena (to Conn Valley Road); Napa River Basin Comment
  UCD144220  Prosartes hookeri G. F. Hrusa; G. L. Stebbins 1994-4-8 11708 Napa Las Posadas State Forest. Upper Moore's Creek. 450 Comment
  CAS-BOT-BC508643  Prosartes hookeri Peter H. Raven 1964-5-9 19046 Napa Along dirt road 2 miles west of Aetna Springs Comment
  JEPS62485  Prunella vulgaris W. L. Jepson 1923-6-3 9975 Napa e Yountville (Napa Valley, near base of hills); Napa Valley Comment
  UCD113521  Prunus virginiana var. demissa Beecher Crampton 1960-5-17 5537 Napa 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  CAS-BOT-BC356377  Pseudognaphalium beneolens Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC356659  Pseudognaphalium californicum L. R. Abrams 1916-7-2 5757 Napa Near St. Helena Sanitarium Comment
  JEPS106963  Pseudognaphalium stramineum Jake Ruygt 1996-3-30 3544 Napa Jameson Vineyards, South Kelly Road. 91 Comment
  UCD161687  Pseudognaphalium stramineum Jake Ruygt 2008-8-16 5367 Napa northeast of Napa Airport, Napa Sanitation ponds. 2 Comment
  SEINET3221129 Image available Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS46763  Pseudotsuga menziesii var. menziesii W. L. Jepson 1903-9-7 2356 Napa hills w of St. Helena (York Canon Road); , York Creek Canon 548 Comment
Read comments Oct 2 2012
  UC650501  Pseudotsuga menziesii var. menziesii Ira L. Wiggins 1928-3-24 2863 Napa grade on old road to Lake Co., above Calistoga Comment
  JEPS106885  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1990-4-21 2490 Napa Giles Mead Ranch, Atlas Peak Rd. 487 Comment
  UC1111581  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1935-5-30 2837 Napa just s Napa State Hospital Comment
  UCD161275  Psilocarphus oregonus Jake Ruygt 2007-5-26 5194 Napa Duff Ranch, north of High Point and Grassy Hill. (Coordinates estimated by label maker at UC Davis). 783 Comment
  CDA10857  Psilocarphus tenellus G. F. Hrusa, M. Rejmanek 1993-5-15 10952 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC460820  Pyrola aphylla H. D. Ripley; R. C. Barneby 1945-6-21 6936 Napa South of Pope Valley 579 Comment
  UC829434  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  LA26108  Quercus X chasei J. M. Tucker; 1954-9-23 2757 Napa beside Hwy 37, 6.5 miles (by road) S of junction with Hwy 28 Comment
  UC1275954  Quercus X chasei J. M. Tucker 1954-9-23 2757 Napa 6.5 mi (by road) s Highway 37 junction with Highway 28 (beside Highway 37) 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
  UCR88371  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa Quail Ridge Reserve, near Lake Berryessa. 146 Comment
  UCSB64094  Quercus X townei Tucker, John; Stebbins, G. 1950-11-5 Napa Beside road up Howell Mountain, 5.6 mi. north of St. Helena Comment
  JEPS37368  Quercus agrifolia W. L. Jepson 1907-12-1 2971 Napa Sanitarium Hill road Napa Valley Comment
  SFV17674  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 7 Napa Highway 28, 7.7 miles (by road) west of junction with Highway 37. Southeast-facing hillslope above Sage Creek. Comment
  UC126507  Quercus berberidifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7154 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD45198  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 4 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of Junction with Highway 37; southeast-facing hillslope above Sage Creek. Comment
  UCD45203  Quercus berberidifolia Thomas Morley 1941-5-11 125 Napa Elevation 461 feet. On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. 140 Comment
  UCD45219  Quercus berberidifolia John M. Tucker 1950-11-12 2014 5 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; southeast-facing hillslope above sage Creek. Comment
  UCD83393  Quercus berberidifolia Jake Ruygt 1992-9-24 3156 Napa Lower Chiles-Pope Valley Rd., N of Berryessa Knox Rd. 201 Comment
  UCR212388  Quercus berberidifolia 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
Read comments Oct 11 2010
  UCSB58649  Quercus berberidifolia Morley, Thomas 1941-5-11 Napa west bank of Putah Creek immediately above junction with Butts Creek 140 Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  CAS-BOT-BC62458  Quercus chrysolepis Peter H. Raven 1951-8-19 3838 Napa nr. Lokoya 487 Comment
  RSA444489  Quercus chrysolepis J. C. Roos 1939-5-14 255 Napa Pacific Union College, Anguin. 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
  JEPS37393  Quercus douglasii Willis L. Jepson 1901-8-6 1729 Napa Howell Mt. grade Napa River Basin Comment
  UCD45676  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa. Comment
  UCD45739  Quercus douglasii John M. Tucker 1954-9-23 2755 Napa East side of Highway 37 .1 mile south of junction with Wooden Valley Road (about 9.5 miles north-east of Napa), Napa County, California. Comment
  UCD45748  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 11 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  UCD83395  Quercus douglasii Jake Ruygt 1990-4-7 2461 b Napa Lake Hinman, W of Veterans' Home. 134 Comment
  UCD92305  Quercus douglasii J. M. Tucker 1954-9-23 2756 Napa West side of Highway 37. 0.1 mile south of junction with Wooden Valley Road (about 9.5 miles northeast of Napa). Comment
  CDA11894  Quercus durata G. F. Hrusa, G. L. Stebbins 1994-4-8 11719 Napa North Coast Biodiversity Arena; Aetna Springs, approx. 1/2 mile above resort. Comment
  RSA38487  Quercus durata Carl B. Wolf 1944-11-1 11483 Napa 2.2 miles east of Lake County line, between Knoxville and Lower Lake. 457 Comment
  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
  SFV8728  Quercus durata J. R. Correa 1971-5-29 27 Napa Lower Chiles Valley Road, 1.8 miles from junction with Highway 128. Comment
  UC55939  Quercus durata J. P. Tracy 1902-5-21 1582 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD14803  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -2 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14812  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -19 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14819  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -8 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14827  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -25 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14840  Quercus durata John M. Tucker 1950-11-12 2014 -18 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14846  Quercus durata John M. Tucker 1950-11-12 2014 -24 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD20648  Quercus durata R. J. Blenkush; J. H. Richards 2000-1-29 42 Napa McLaughlin Reserve. 1/4 mile south of intersection of Berryessa-Knoxville Road with Devilhead Road. 487 Comment
  UCD45934  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  UCD46002  Quercus durata Margot B. Forde; D. G. Faris 1960-2-24 II p Napa Crest of Blue Ridge (Vaca Mountains) 1 1/2 miles (airline) northwest of Mt. Vaca, in Napa County, California. 762 Comment
  SBBG111408  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -21 Napa below Conn Valley Dam; across crk from the picnic area Comment
  SBBG50713  Quercus durata var. durata D. Parson 1969-5-24 40 Napa W end of Capell Valley Comment
  UCD45897  Quercus durata var. durata J. M. Tucker 1953-10-25 2690 Napa Beside Highway 28, 1.0 mile west of junction of highways 28 and 37, ca. 30 feet from edge of road, on lower side, Capell Canyon, Napa County, California. Comment
  UCD45916  Quercus durata var. durata J. M. Tucker 1948-6-7 1679 Napa Shrub at the side of road, a few miles west of Monticello, on road to Rutherford, Napa County, California. Comment
  UCD46113  Quercus garryana W. L. Jepson 1916-8-6 6825 Napa Howell Mt. Comment
  RSA151  Quercus garryana var. garryana J. T. Howell 1927-8-23 684 Napa Chiles Valley, Napa Range. 213 Comment
  UCD14960  Quercus garryana var. garryana John M. Tucker 1976-10-24 4385 Napa California, Napa Co.; beside Dry Creek Road, 1.4 mi. east of junction with Wall Road, and 4.4 mi. (by road) southwest of Oakville; Comment
  UCD46082  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  CAS-BOT-BC105303  Quercus kelloggii Ella Dales Cantelow 1939-4-8 2502 Napa Howell Mountain Comment
  RSA476819  Quercus kelloggii T. Gertrude Williamson 1924-7-5 s.n. Napa Near St. Helena. Comment
  UCD14957  Quercus kelloggii John M. Tucker 1976-10-24 4381 Napa California, Napa County: Beside Dry Creek Road, 0.6 mi. east of junction with Wall Road, and 5.2 mi. (by road) southwest of Oakville. Comment
  UCD46743  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  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
  JEPS116529  Quercus lobata Jake Ruygt 2004-4-12 4584 Napa Gordon Valley Road, south side of Okell Hill. Fairfield North 7.5' Quad. Comment
  JEPS116532  Quercus lobata Jake Ruygt 1992-7-14 3093 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  JEPS46688  Quercus lobata W. L. Jepson 1922-10-22 9816 Napa n of Sage Canyon; St. Helena Comment
  UCD46875  Quercus lobata H. W. Sheperd Date Unknown s.n. Napa Valley Oak. Napa Valley. Comment
  CAS-BOT-BC104983  Quercus wislizeni H. E. McMinn 1923-5-25 973 Napa Summit Wooden Valley Grade Comment
  UC1543117  Quercus wislizeni Charlotte G. Nast 1936-3-27 33 Napa Putah Canyon Comment
  RSA10629  Quercus wislizeni var. frutescens Carl B. Wolf 1928-5-4 1862 Napa Upper slopes of Mount St. Helena. Comment
  UCD148748  Quercus wislizeni var. frutescens Jake Ruygt 2002-10-23 4467 a Napa Napa County; Mt. Vaca, south side of peak. 841 Comment
  UCD49056  Quercus wislizeni var. wislizeni Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd. just S of jct with Cut-Off Rd. 182 Comment
  UCD135328  Rafinesquia californica K. Esau 1935-5-5 s.n. Napa Chiles Valley. 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
  UCD81441  Ranunculus californicus M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale Rd. Comment
  UCD95959  Ranunculus californicus David Lawfer 1952-3-15 119 Napa Napa. Comment
  CAS-BOT-BC378487  Ranunculus californicus var. californicus David D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  UC9420  Ranunculus canus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  JEPS110876  Ranunculus hebecarpus Jake Ruygt 1992-4-7 2894 Napa Tuteur Ranch, SW corner, Kreuze Canyon 384 Comment
  JEPS110873  Ranunculus lobbii Jake Ruygt 1979-4-12 502 Napa .2 mile west of Suscol Ave. on Imola Ave 4 Comment
  UC136198  Ranunculus lobbii C. F. Baker 1903-4-19 1997 Napa St. Helena Comment
  JEPS55170  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  UCD148829  Ranunculus occidentalis Ellen Dean; Diana Hickson 2014-4-29 8134 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD18048  Ranunculus occidentalis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 600 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
  UCD48146  Ranunculus occidentalis J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 16 Napa Napa County, McLaughlin Reserve, near Yolo County line. 670 Comment
  JEPS86267  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1945-3-28 27555 Napa about 3 mi se Yountville; Napa Valley Comment
  OBI14977  Raphanus raphanistrum R. L. Hoover 1968-4-20 54 Napa .25 mi from Pope Valley jctn, E on Chiles & Pope Valley Rd, in field E of service station Comment
  UCD160035  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  CDA42397  Rhagadiolus stellatus R. Robison 2014-4-21 s.n. Napa Bale Gristmill State Historic Park. 0 Comment
  UCD96189  Rhagadiolus stellatus Ellen Dean; with Clare Loughran 2011-5-20 7073 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
  SEINET12211102  Rhamnus californica subsp. tomentella F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -316 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek to Berryessa Estates 250 Comment
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 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
  POM282940  Rhamnus tomentella subsp. tomentella Lyman Benson 1928-11-3 561 Napa Mt. St. Helena, Lake County line, Mayacamas. Putah Creek Watershed 610 Comment
  CAS-BOT-BC199721  Rhododendron occidentale H. E. McMinn 390 Napa About 6 mi. above Aetna Springs Comment
  CAS-BOT-BC199722  Rhododendron occidentale L. R. Abrams 1928-5-4 12286 Napa 4 mi. south of Middletown Comment
  UCD68033  Rhododendron occidentale Allen Barnes 1976-6-1 24 Napa On highway 128, 3.9 miles Northwest of Moskowite Corners, approximately 200 yds West of roadside. Found on canyon slopes, in a moist area near creek, common but not numerous. A large bush, 3-5 ft. high. Flowers, creamy yellow and sticky. Comment
  RSA22617  Rhododendron occidentale var. californicum Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 miles northeast of Napa. Comment
  RSA471014  Rhododendron occidentale var. occidentale H. E. McMinn 1922-6-8 169 Napa Howell Mt. Comment
  CAS-BOT-BC168039  Rhus aromatica John Thomas Howell 1926-3-28 1769 Napa St. Helena Creek below Patten's Comment
  NY199504  Rhus aromatica var. trilobata D. K. Christopher 2003-4-12 151 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 166 Comment
Read comments May 8 2010
  POM339720  Rhus trilobata F. R. Fosberg 1967-4-1 48417 Napa Hills just south of Lake Berryessa Comment
  UCD33890  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Napa County, 1/2 mile west of Monticello Dam. Comment
  CAS-BOT-BC198894  Ribes roezlii var. cruentum John Thomas Howell 1926-3-21 1707 Napa On St. Helena Creek near Patten's. 701 Comment
  JEPS49457  Ribes roezlii var. cruentum Katharine Brandegee 1909-6-1 Napa summit of Pope Valley Grade from Calistoga; Napa Range, Pope Valley Grade Comment
  JEPS49465  Ribes roezlii var. cruentum Willis L. Jepson 1893-4-25 13525 Napa trail to Caux's Knob (mts. w of St. Helena); Napa River Basin Comment
  UC11625  Ribes roezlii var. cruentum Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UC572662  Ribes roezlii var. cruentum Herbert B. Kaufner 1937-2-26 19 Napa Devil's Well Upper Mill Creek Canyon 518 Comment
  CAS-BOT-BC209365  Ribes sanguineum var. glutinosum E. L. Greene 1874-4-13 s.n. Napa Napa Valley Comment
  CAS-BOT-BC168757  Ribes victoris Frederick V. Coville 1925-3-25 35 Napa South fork of the canyon on the Niebaum place, about a mile directly west of Rutherford. Comment
  HSC43915  Rigiopappus leptocladus Robert M. Specht 1977-5-14 888 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  UCD118624  Rigiopappus leptocladus Jason Saavedra; 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. 405 Comment
  CAS-BOT-BC363048  Rigiopappus leptocladus David D. Keck 1933-5-29 2341 Napa Pope Creek Bridge, south of Walters Springs. South wall of Pope Creek Canyon Comment
  CAS-BOT-BC363051  Rigiopappus leptocladus Beecher Crampton 1972-4-19 8792 Napa North end of Capell Valley Comment
  UC725905  Rigiopappus leptocladus A. A. Heller 1941-5-16 16123 Napa below Knoxville; Eticura Creek Comment
  JEPS106793  Rorippa curvisiliqua Jake Ruygt 1996-6-2 3739 Napa Buchli Station area of Duhig Road; near Huichica Creek 5 Comment
  JEPS53853  Rorippa curvisiliqua Willis L. Jepson Nov. 1894 13381 Napa river bed near St. Helena; river bed near St. Helena Comment
  UC10724  Rorippa curvisiliqua Willis L. Jepson 1893-4-27 Napa Veteran's Home , Veteran's Home (Napa River Basin) Comment
  UCD17682  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 79 Napa California. Napa County: north of Redwood Lodge along Highway 128. Comment
  JEPS110650  Rubus discolor Jake Ruygt 1987-7-11 2066 Napa .2 mile west of Mt. Millhouse Camp on HWY 29 487 Comment
  UCD164828  Rubus ulmifolius var. ulmifolius Jake Ruygt 2012-6-30 5872 Napa Putah Creek. 143 Comment
  CAS-BOT-BC156913  Rubus ursinus Peter H. Raven 1964-5-9 19071 Napa Along dirt road 2 miles west of Aetna Springs Comment
  UCD41469  Rumex Ellen Dean; Deborah Canington 2003-3-1 1366 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along Decker Bay Trail, right along stream. 176 Comment
  JEPS110756  Rumex crispus Jake Ruygt 1979-3-7 440 Napa Marina Drive at South Coombs 3 Comment
  RSA755378  Rumex dentatus L. Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  JEPS110753  Rumex salicifolius var. salicifolius Jake Ruygt 1996-5-4 3653 Napa Butts Canyon Road at James Creek Road; SE field. 205 Comment
  JEPS65647  Rupertia physodes W. L. Jepson 1913-4-15 5306 Napa Howell Mt. 609 Comment
  SD108178  Rupertia physodes Peter H. Raven 1964-5-9 19042 Napa Edge of small grove of Sequoia along dirt road, 2.0 miles west of Aetna Springs. Comment
  UC1197460  Rupertia physodes Joseph P. Tracy 1899-6-17 393 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD108459  Rupertia physodes Tofsrud 1948-1 s.n. Napa location unknown. Comment
  UCD167161  Sagina apetala Jake Ruygt 2015-3-23 6050 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS51076  Sagina decumbens subsp. occidentalis Willis L. Jepson 1893-4-24 Napa hills e. St. Helena (to Conn Valley Rd.); Napa R. Basin Comment
  UCD161214  Salicornia pacifica Jake Ruygt 1993-8-28 3289 Napa Bentley Wharf. 0 Comment
  POM260435  Salix L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  CAS-BOT-BC103227  Salix bonplandiana Peter H. Raven 1952-9-14 5177 Napa Conn Creek e. of Yountville 91 Comment
  JEPS15364  Salix breweri W. L. Jepson 1938-6-8 18902 Napa Butte Canyon; bottom Comment
  UC457172  Salix breweri David D. Keck 1931-4-3 1075 Napa along creek 5 mi ne Aetna Springs; Butts Creek Comment
  SEINET11993504  Salix breweri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -320 Napa along Butts Canyon Road near junction with Snell Valley Road, along Butts Creek 250 Comment
  JEPS38366  Salix exigua W. L. Jepson 1903-9-6 2339 Napa near St. Helena; Napa River Basin Comment
  POM202754  Salix exigua I. L. Wiggins 1932-3-12 5756 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UCD164793  Salix exigua var. hindsiana Jake Ruygt 1979-3-13 452 Napa Trefethen Vineyards at Dry Creek. 22 Comment
  UCD149598  Salix laevigata 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
  UCD73497  Salix laevigata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC539354  Salix laevigata Jake Ruygt 1995-3-21 3408 Napa End of Niebaum Lane, Bear Canyon 89 Comment
  CAS-BOT-BC539356  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscvol Creek at Hwy 29 19 Comment
  UCD164803  Salix laevigata Jake Ruygt 1995-3-21 3408 Napa End of Niebaum Lane, Bear Canyon. 89 Comment
  JEPS13064  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2343 Napa St. Helena Napa River Basin, St. Helena Comment
  CAS-BOT-BC107049  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  JEPS13831  Salix lasiolepis Willis L. Jepson 1903-9-6 2345 Napa St. Helena; Napa River Basin Comment
  JEPS13832  Salix lasiolepis Willis L. Jepson 1903-9-6 2346 Napa St. Helena; Napa River Basin Comment
  UCD111603  Salix lasiolepis Joseph M. DiTomaso 1976-4-9 382 Napa Next to Putah Creek at base of Monticello Dam, Lake Berryessa. (On the Yolo/Napa County line. Base of dam is Napa County but just downstream is Yolo County. This record originally said Yolo County). 3 Comment
  CAS-BOT-BC124410  Salix lasiolepis var. lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  CAS-BOT-BC124414  Salix lasiolepis var. lasiolepis W. R. Dudley 1895-2-23 s.n. Napa Head of Napa Valley 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-BC128201  Salix lucida Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house road Mt. St. Helena on Calistoga sie of Napa County Comment
  CAS-BOT-BC129002  Salix sitchensis Dan Axelrod 1929-6-30 s.n. Napa Lokoya Comment
  SEINET7972676  Salvia columbariae W. Roderick 1967-5-7 s.n. Napa Oakville Road. 152 Comment
  UC25738  Salvia sonomensis E. L. Greene 1892-4-20 Napa Calistoga Comment
  UCD48845  Sambucus nigra subsp. caerulea Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along South Decker Canyon Rd. just S of jct. with Cut-Off Rd. 219 Comment
  RSA92950  Sanguisorba minor Peter H. Raven 1951-6-26 3050 Napa E of Napa on Monticello Rd. 61 Comment
  SEINET11155924  Sanicula bipinnatifida K. Suhr 1967-3-24 s.n. Napa S shore of Lake Berryessa, Steele Park Resort. Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  UCD18054  Sanicula crassicaulis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 607 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCD83670  Sanicula crassicaulis Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 5 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  HSC70624  Sanicula crassicaulis J. M. DiTomaso 1980-6-13 1593 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  UCD73417  Sanicula laciniata Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
Read comments Jan 25 2012
  UC642309  Sanicula tuberosa Joseph P. Tracy 1933-4-30 12097 Napa 5 mi e of Angwins (at head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 396 Comment
  JEPS43798  Saxifraga californica Mrs. Mary Van E. Ferguson 1919-4-13 211 Napa near Atlas Comment
  NY186197  Saxifraga napensis G. Thurber 03 1852 496 Napa Comment
  RSA734153  Saxifraga virginiensis Keith E. Hoffmaster 1946-3-9 1240 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD50087  Schoenoplectus acutus var. occidentalis R. Tofsrud 1947-5-3 s.n. Napa Pope Creek. Comment
  UCD170370  Schoenoplectus pungens var. longispicatus Daniel Potter; N Khuu, K Battenberg 2016-4-30 868 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 199 Comment
  RSA92927  Schoenoplectus robustus Peter H. Raven 1951-9-9 3900 Napa Near slaughterhouse Point, Napa River. 0 Comment
  JEPS121368  Scirpus acutus var. occidentalis Jake Ruygt 1988-5-4 2184 Napa .5 miles NE of Flosden Rd. intersection with American Cyn Rd. Comment
  JEPS121373  Scirpus microcarpus Jake Ruygt 1984-6-2 1565 Napa Conn Dam Comment
  RSA170259  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UC1125698  Scrophularia californica A. Lewis 1932-5-17 85 Napa Sarcos Canyon; Napa Quadrangle 152 Comment
  JEPS112643  Scutellaria californica Jake Ruygt 1992-6-11 3029 Napa below South lake, Wild Horse Valley Ranch 426 Comment
  UC1239702  Scutellaria californica Joseph P. Tracy 1899-7-3 401 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  POM63106  Scutellaria siphocampyloides C. F. Baker 1903-5-8 2970 Napa Knoxville. Comment
  HSC45353  Scutellaria tuberosa R. York 1978-4-8 106 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS120411  Secale cereale Jake Ruygt 2009-5-15 5409 z Napa Hwy 12, Jameson Canyon, 1/4 w of county line. Comment
  SFV12213  Sedella pumila W. R. Russell 1967-5-10 s. n. Napa Just north of Soscol House restaurant, about 2 miles south of Napa State Hospital on State Highway 29. Comment
  UCD170373  Sedum spathulifolium Daniel Potter; N Khuu, K Battenberg 2016-4-30 871 Napa Knoxville Wildlife Area, along Nevada Creek. 220 Comment
  RSA0074712  Sedum spathulifolium D. D. Keck 1933-5-29 2354 Napa Pope Creek bridge south of Walters Springs. Comment
  UCR254842  Selaginella wallacei Greg de Nevers 1998-2-16 11137 Napa North Coast Range, Devils [Punchbowl] Falls [Bell Canyon Creek near Angwin] 320 Comment
  HSC104394  Selaginella wallacei J. French 1969-2-15 Napa Along State Hwy. 121, 7 mi. NE of Napa Comment
  CAS-BOT-BC363358  Senecio aronicoides Peter H. Raven 1951-6-10 2916 Napa Crater Region e. of Mt. St. Helena 762 Comment
  CAS-BOT-BC327425  Senecio flaccidus var. douglasii H. E. McMinn 1922-8-1 396 Napa Pope Valley Canyon Comment
  JEPS37181  Senecio flaccidus var. douglasii W. L. Jepson 1894-10-13 Napa Conn Creek, mouth of Conn Valley Conn Valley Comment
  CAS-BOT-BC364215  Senecio sylvaticus Baker 1938-5-1 8993 Napa Cuttings Wharf Comment
  CAS-BOT-BC364598  Senecio vulgaris John H. Thomas 1958-4-19 7118 A Napa About 2 miles SW of Oakville 152 Comment
  SEINET5607927 Image available Sequoia sempervirens Richard Vanderwall Unknown Napa Calistoga Comment
  JEPS126081  Sesbania punicea Jake Ruygt 1992-6-1 3008 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  CAS-BOT-BC243631  Setaria pumila Peter H. Raven 1952-8-26 5152 Napa Road NE of Buchli Station 30 Comment
  CAS-BOT-BC243632  Setaria pumila Peter H. Raven 1952-9-14 5184 Napa Napa State Game Farm 121 Comment
  UCD92839  Setaria viridis Beecher Crampton 1964-8-18 7152 Napa 2 miles north of Calistoga Tubbs Lane, entrance to Old Faithful Geyser. Comment
  UCD160750  Sidalcea Ellen Dean 2015-5-23 8802 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  JEPS50083  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek 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
  UC871453  Sidalcea hartwegii M. S. Jussel 1937-5-23 Napa Palisades Comment
  JEPS122752  Sidalcea hickmanii subsp. napensis Jake Ruygt 2011-6-9 5800 Napa South side of Mt George, Palmaz Vineyards. Quad: Mt. George. Comment
  JEPS122706  Sidalcea hirsuta Jake Ruygt 2007-5-10 5171 Napa G. I. Landfill site, Butts Canyon Road about 3 miles south of Middletown. Quad: Detert Reservoir. Comment
  CHSC83385  Sidalcea keckii L. P. Janeway; B. Castro 2002-5-12 7536 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  JEPS100817  Sidalcea keckii Dean Wm. Taylor with Mey Akasah 1999-6-3 17221 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  JEPS122722  Sidalcea keckii Jake Ruygt 1976-4-25 30 Napa 23.5 miles north of Pope Canyon Road on Berryessa-Knoxville River. Quad: Jericho Valley Comment
  JEPS50076  Sidalcea keckii W. L. Jepson 1920-5-25 9041 Napa Knoxville Ridge Knoxville Ridge (ne Napa Co.) Comment
  RSA292974  Sidalcea keckii Reino Alava 1957-5-30 993 Napa Near the end of State Highway no. 37, in the southern end of Capell Valley. Comment
Read comments Jan 30 2008
  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
  UC1585877  Sidalcea keckii Barbara Ertter with Annetta Carter 1989-5-28 8500 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa, along Eticuera Creek); Lake Berryessa, s of Knoxville tunner, Eticuera Creek 304 Comment
  UCD170452  Sidalcea keckii Daniel Potter; Ninh Khuu 2016-6-8 881 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 562 Comment
  RSA52708  Silene gallica I. L. Wiggins 1949-4-30 12074 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  CAS-BOT-BC389184  Silene laciniata subsp. californica R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6673 Napa 10 mi. from Pacific Union College on Howell Mt. - Middletown road Comment
  CAS-BOT-BC389180  Silene laciniata subsp. californica Betty H. Johnson 1958-6-20 620 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS106854  Silene verecunda subsp. platyota Jake Ruygt 1982-5-15 1254 Napa Buzzard's Roost east od Stag's Leap 609 Comment
  UCD164749  Sisymbrium orientale Jake Ruygt 2014-5-30 5966 Napa Atlas Peak Road about 4.5 miles north of Monticello Road. 454 Comment
  UCD170211  Sisyrinchium bellum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 746 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCD48734  Sisyrinchium bellum Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 7 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Road, ca. 0.45 mi (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  UCD48738  Sisyrinchium bellum S. Murphy; K. Keck and K. Dyer 2002-5-5 17 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines, NE from intersection of West and East roads ca. 20 m. 328 Comment
  UCR178674  Sisyrinchium bellum Kook-Hyun Chung, M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 007 Napa Vaca Mtns, Quail Ridge UC Reserve. SE corner of Lake Berryessa, just west of Monticello Dam, along West Road, c. 0.45 mi (2400 ft) NW of the junction with South Decker Canyon Road 242 Comment
  JEPS64277  Sisyrinchium bellum Willis L. Jepson 1893-5-1 Napa near Calistoga (Franz Valley Grade, below summit); Sierra Foothills, Napa River Basin Comment
  SEINET5722935 Image available Sisyrinchium bellum George E. Gaboury 1971-1 G- 10 Napa Hwy 128, ca. 10 mi. W of Monticello Dam (Lake Berryessa).; Monticello Dam Comment
  UCD13121  Sisyrinchium bellum Jennifer Kent 1974-4-28 33 Napa Napa CO. 2 Mi. south of Calistoga, off Dutch Henry Canyon Rd., 2 mi. east of Silverado Trail. Road cut. Elevation 1800'. 548 Comment
  UCD23394  Sisyrinchium bellum Alana Adams 1977-4-28 10 Napa Grassy meadow, partly shaded by oaks. 14.75 miles north of Barryessa Knoxville Rd. and Highway 128 intersection on Berryessa Knoxville Rd. 243 Comment
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 Comment
  CAS-BOT-BC34694  Solanum lycopersicum P. H. Raven 1942-9-14 5170 Napa Road 1.5 mi. NE of Yountville 121 Comment
  UCD48199  Solanum parishii Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 8 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  HSC100739  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa Below the high water line of Lake Berryessa, ~100 yd. E of Eticuera Creek, ~50 yd. S of Eticuera Parking Area at the NE end of causeway, on S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  CAS-BOT-BC156484  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa Comment
  UCR242098  Solanum umbelliferum Katherine Countrey 1983-4-22 004 Napa c. 8 mi east of Winters on Hwy 128 at the Monticello Dam Parking area 136 Comment
  OBI9134  Solanum umbelliferum R. L. Hoover 1968-4-11 21 Napa 1 block W of hwy 1 on Palm Ave, Marina Comment
  UCD67494  Solanum xanti D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland ; open spaces. 350 Comment
  CAS-BOT-BC365097  Solidago velutina subsp. californica Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UCD41328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 Comment
  CHSC102297  Sonchus asper subsp. asper Lowell Ahart 2009-10-12 16429 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  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
  CDA3446  Spergularia bocconi H. Stabo 1979-4-26 Napa Residence at 41 Magnolia, Calistoga. 0 Comment
  CAS-BOT-BC390291  Spergularia macrotheca var. longistyla Alice Eastwood 1915-6-5 4639 Napa Calistoga Comment
  CAS-BOT-BC390292  Spergularia macrotheca var. longistyla Alice Eastwood; John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs Comment
  CAS-BOT-BC390295  Spergularia macrotheca var. longistyla John Thomas Howell 1926-3-27 1759 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS106586  Spergularia rubra Jake Ruygt 1978-5-7 292 Napa .5 miles south of Monticello Rd. near Mt. George 414 Comment
  UCD149592  Spergularia rubra Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC390563  Spergularia rubra Peter H. Raven 1952-5-31 4163 Napa Flood plain of Rector Creek 121 Comment
  JEPS112646  Stachys ajugoides Jake Ruygt 1996-6-3 3742 b Napa Jameson Vinyards near South Kelly Road. 103 Comment
  SEINET9352740  Stachys albens Unknown 1976-8-8 13 Napa Napa County Comment
  UCD49105  Stachys rigida var. quercetorum K. Hyun Chung; J. Deusterman, C. Ineich, and M. Hauselt 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., ca. 400 ft. as the crow flies NNW of jct of West Rd. and South Decker Canyon Rd. 230 Comment
  UCLA85559  Stachys stebbinsii C. Epling, H. Lewis 1941-5-9 Napa 11.1 mi s St. Helena Comment
  CAS-BOT-BC393991  Stellaria nitens Peter H. Raven 1950-4-15 1716 Napa Silverado Trail outside of Napa Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  CAS-BOT-BC375245  Stephanomeria elata Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley 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
  CHSC102285  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS126107  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 1978-8-29 401 Napa 8.3 miles N of Redwood Road on Dry Creek Road. Rutherford 7.5' Qua. Comment
  JEPS129047  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-6-11 6281 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD67887  Stephanomeria virgata subsp. pleurocarpa D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. 220 Comment
  CAS-BOT-BC61250  Streptanthus breweri John Thomas Howell 1929-5-30 4273 Napa Napa Range. Near Pope Valley Creek, near Samuels Springs. Comment
  CAS-BOT-BC61253  Streptanthus breweri Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5323 Napa Soda Creek, east of Chiles Valley. 121 Comment
  OBI14930  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UC1292770  Streptanthus breweri Freed W. Hoffman 1947-9-11 1069 Napa Butts Canyon North Coast Ranges Comment
  UCD164229  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-5-25 IC-SS 306 Napa Hunting Creek. 313 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
  CAS-BOT-BC87155  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1941-6-22 16322 Napa Hills southwest of Saint Helena. 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
  CAS-BOT-BC87159  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1958-4-19 7116 Napa About 2 miles southwest of Oakville. 152 Comment
  CAS-BOT-BC87161  Streptanthus glandulosus subsp. glandulosus J. F. Emmel 1970-4-19 266 Napa Along powerline firebreak, 0.2 air mile southwest of Walter Springs. 320 Comment
  CAS-BOT-BC87167  Streptanthus glandulosus subsp. glandulosus Peter H. Raven 1953-4-2 5283 Napa Burn east of Tulucay Creek. 426 Comment
  UCD170438  Streptanthus glandulosus subsp. glandulosus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 910 Napa Knoxville Wildlife Area on slope west of Berryessa-Knoxville Road. 517 Comment
  UCD161644  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2005-6-1 4894 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  UCD116024  Streptanthus hesperidis Robert E. Preston 1987-5-9 556 Napa north side of Morgan Valley Road, 2.7 miles north of its junction with Pope Valley Road. [Correction from Rob Preston, 2014, north side of Knoxville-Berryessa Road, 2.7 miles north of its junction with Pope Valley Road.] 182 Comment
  CAS-BOT-BC87330  Streptanthus hesperidis Roger Raiche 1986-5-5 60213 Napa Near Middletown, ca. 2 miles north on state route 29. 304 Comment
  CAS-BOT-BC97740  Symphyotrichum chilense John Thomas Howell 1933-8-27 11627 Napa Sage Canyon, Napa Range Comment
  UC29864 Image available Symphyotrichum spathulatum Edw. L. Greene 1888-8-28 Napa Calistoga Comment
  JEPS40770  Symphyotrichum subspicatum Willis L. Jepson 1894-11-7 Napa Napa City Napa River Basin Comment
  UC1949202  Symphyotrichum subulatum Barbara Ertter with Elizabeth Neese 1988-10-2 7950 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
  RSA129898  Taeniatherum caput-medusae P. H. Raven 1951-5-26 2878 Napa Butts Canyon. 305 Comment
  HSC21381  Tamarix parviflora Greg Bos 1963-3-17 42 Napa Delta region, Montezuma Slough. 15 Comment
  UC126551  Tanacetum parthenium Harley P. Chandler Sep 7 1906-Sep 14 1906 7127 Napa Alta Loma Howell Mountain 487 Comment
  UC1196946  Taraxia ovata Joseph P. Tracy 1933-4-30 12107 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  JEPS129144  Tetragonia tetragonoides Jake Ruygt 1980-3-27 819 Napa Napa Valley Garbage disposal site. Cuttings Wharf 7.5' Quad. Comment
  UCR261683  Tetrapteron graciliflorum Ann Howald 2003-4-23 2302 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  CDA20091  Tetrapteron graciliflorum A. Howald 2003-4-23 2302 Napa North Coast Ranges; Missimer Snell Valley Wildflower Area, 2.3 mi E of Butts Cyn Rd on Snell Valley Rd. Comment
  UCD125814  Teucrium fruticans Irving Grover 1964-4-15 s.n. Napa Agricultural Extension Service. Comment
  UC162793  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1586 Napa 3-4 mi Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 304 Comment
  UC9704  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  UCD16029  Thermopsis californica var. californica N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 17 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, 3-4.5 dm tall, flowers yellow. Comment
  UCD170212  Thermopsis californica var. californica Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 745 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 396 Comment
  UCD18087  Thermopsis californica var. californica Ellen Dean; with PLB 102 class 2000-4-22 643 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
  POM127144  Thermopsis californica var. californica H. P. Chandler 1907-4-14 7509 Napa Near Napa River, 4 miles N. of St. Helena. Comment
  CAS-BOT-BC66480  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4575 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66483  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6085 Napa Summit of Wooden Valley Grade. 8 miles east of Napa. Comment
  JEPS106589  Thysanocarpus curvipes Jake Ruygt 1996-4-12 3606 Napa Blue Ridge, north of Monticello Dam. Rockwell Gap area 615 Comment
  OBI77666  Thysanocarpus curvipes subsp. elegans R. L. Hoover 1968-4-20 60 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn rds Comment
  UCR17696  Thysanocarpus curvipes var. elegans E. Turula 1975-3-29 76 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  CAS-BOT-BC66964  Thysanocarpus laciniatus Katharine Brandegee 1909-6-1 s.n. Napa Pope Valley Grade. Comment
  CAS-BOT-BC67312  Thysanocarpus radians M. S. Jussel 1931-4-19 s.n. Napa Pope Valley. Comment
  JEPS106583  Thysanocarpus radians Jake Ruygt 1992-4-10 2906 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  JEPS2896 Image available Thysanocarpus radians Willis L. Jepson 1893-4-28 Napa Plateau N of Mt. George Napa River Basin Comment
  JEPS110738  Tonella tenella Jake Ruygt 1977-4-3 175 Napa Green Creek area east of Lake Berryessa 198 Comment
  JEPS104489  Torilis arvensis Jake Ruygt 1985-5-8 1596 Napa west of Veteran's Home 167 Comment
  CAS-BOT-BC85168  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Beside Highway 29, east side of Mt. St. Helena, 1 mile north of summit of road Comment
  CAS-BOT-BC85172  Torreya californica John A. Sutro 1971-9-8 s.n. Napa Sutro Ranch, Mt. Atlas Comment
  SBBG322  Torreya californica C. H. Lamoureux, J. M. Tucker, R. Gankin 1957-4-11 1203 Napa St Hwy 29, 8 mi N of Calistoga Comment
  UCD167157  Torreya californica Jake Ruygt 2015-3-10 6037 Napa Sutro Ranch, east side of Atlas Peak. 683 Comment
  CAS-BOT-BC85167  Torreya californica Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5330 Napa Soda Creek, e. of Chiles Valley 137 Comment
  HSC95661  Toxicodendron diversilobum Jonathon M. Irvine 1977-4-16 111 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam 183 Comment
  UC17923  Toxicodendron diversilobum Willis L. Jepson May, 1893 Napa near St. Helena St. Helena; Napa R. Basin Comment
  UCD169872  Toxicoscordion fontanum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 807 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 433 Comment
  UCD169875  Toxicoscordion fremontii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 716 Napa Knoxville Wildlife Area. 257 Comment
  RSA212495  Tragopogon porrifolius Elsa Ruckert 1960-5-7 144 Napa 6495 Dry Creek Road. Near spring beside road leading to house. 366 Comment
  UCD83744  Tragopogon porrifolius Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5993 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 219 Comment
  UC127171  Trichostema lanceolatum Harley P. Chandler Sep 7-14 1906 7136 Napa Alta Loma Ranch Howell Mountain 304 Comment
  JEPS63144  Trichostema laxum W. L. Jepson 1938-9-24 19024 Napa canyon of Limekiln Creek, N of Pope Valley 304 Comment
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  UC1925907  Trifolium Ethel Crum 1931-1 1047 Napa Four miles from Yountville. Comment
  UCD107349  Trifolium albopurpureum Freed W. Hoffman 1947-4-9 1361 Napa North Coast Ranges, Bucksnort Creek. Comment
  UCD111351  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  UCD35294  Trifolium albopurpureum Beecher Crampton 1955-4-7 2430 Napa 7.8 miles north of Monticello. Comment
  JEPS106690  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1992-4-10 2898 Napa Wild Horse Valley Ranch east of south lake 457 Comment
  CHSC79166  Trifolium albopurpureum var. dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UC1925904  Trifolium albopurpureum var. dichotomum Ethel Crum 1931-1 1068 Napa Near Aetna and Butts Canyon Roads. Comment
  UCD107886  Trifolium bifidum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  JEPS106695  Trifolium bifidum var. bifidum Jake Ruygt 1996-4-12 3599 Napa Blue Ridge, north of Monticello Dam. 524 Comment
  UCD170669  Trifolium bifidum var. bifidum 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. 160 Comment
  JEPS106796  Trifolium bifidum var. decipiens Jake Ruygt 1993-4-12 3199 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  JEPS129083  Trifolium bifidum var. decipiens Jake Ruygt 2016-4-16 6191 Napa Smitty Ranch, east of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  POM225841  Trifolium bifidum var. decipiens J. T. Howell 6465 Napa Conn Valley Comment
  RSA91562  Trifolium bifidum var. decipiens Unspecified 1931-4-2 6093 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  JEPS106799  Trifolium ciliolatum Jake Ruygt 1996-5-4 3648 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  UC1543228  Trifolium ciliolatum Donald G. Nelson 1936-4-1 124 Napa along trail (to Green Valley Falls) Comment
  HSC15112  Trifolium depauperatum J. P. Tracy 1902-5-18 1541 Napa At head of Moore's Creek, 3.4 mi. E of Angwin's 518 Comment
  JEPS106801  Trifolium depauperatum var. depauperatum Jake Ruygt 1978-4-9 273 a Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  JEPS65835  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-5-1 13737 Napa Upper Napa Valley Napa River Basin (Calistoga) Comment
  UC188495  Trifolium depauperatum var. depauperatum Edw. L. Greene 1895-4-1 Napa Napa Valley Comment
  UCD21503  Trifolium depauperatum var. truncatum Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4405 Napa Quail Ridge Reserve. 262 Comment
  UCD38309  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa 12 miles east of Rutherford, along Highway 128. Comment
  POM182744  Trifolium dichotomum D. D. Keck 1931-4-2 1040 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  SEINET10577229 Image available Trifolium dichotomum Charles F. Baker 1903-4-20 Baker 2625 Napa Mt. St. Helena. Common about rocky summits. Comment
  UCD118747  Trifolium dubium Katherine Graham; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, along oak woodland. 388 Comment
  SD224979  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. Adjacent to meeting hall. 91 Comment
  UCD83447  Trifolium gracilentum Jake Ruygt 1998-3-29 3899 Napa Suscol Ridge overlooking Jameson Canyon. 158 Comment
  UCD159933  Trifolium hirtum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS65963  Trifolium microcephalum W. L. Jepson 1924-4-29 10389 Napa Toll House Mt. St. Helena Comment
  UCD167165  Trifolium microcephalum Jake Ruygt 2015-4-20 6070 Napa Fernandes/ Land Trust, Snell Peak area. 319 Comment
  UCD170823  Trifolium microcephalum 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 166 Comment
  UCD149707  Trifolium microdon Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UC1197498  Trifolium obtusiflorum Joseph P. Tracy 1902-5-15 1481 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UCD109244  Trifolium obtusiflorum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS4440  Trifolium oliganthum W. L. Jepson 1892-1 13699 Napa to Lower Lake Knoxville Grade Comment
  POM21431  Trifolium olivaceum var. olivaceum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-25 7409 Napa Near Napa Comment
  JEPS106810 Image available Trifolium striatum Jake Ruygt 1993-5-8 3254 Napa Mead Ranch in large meadow NW of horse track 486 Comment
  CDA4314  Trifolium subterraneum T. C. Fuller 1958-5-1 3725 Napa Matheson property, 2092 Los Amigos Road, Napa. 0 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
  UCD168552  Trifolium subterraneum 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
  UC160935  Trifolium variegatum Joseph P. Tracy 1902-5-17 1525 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mtn 457 Comment
  UCD109408  Trifolium variegatum W. L. Jepson 1915-4-23 6235 Napa St. Helena, hills east. Comment
  UCD109419  Trifolium variegatum Helen K. Sharsmith 1963-4-20 5329 Napa Kelly Road, 4 miles south of Napa. 45 Comment
  UC867031  Trifolium variegatum var. melananthum Alice Eastwood 1915-6-5 4649 Napa Calistoga Comment
  UCD47882  Trifolium vesiculosum Joe Ditomaso 2005-6-27 s.n. Napa Napa County, McLaughlin UC Reserve, along Morgan Valley Rd, ca. 0.5 miles S of the junction of Napa and Lake Counties. Comment
  UCR23914  Trifolium virescens John C. Roos 1939-4-15 279 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  JEPS106687  Trifolium willdenovii Jake Ruygt 1996-4-10 3569 Napa di Rosa Ranch, HWY 12 near Duhig Road. 91 Comment
  UCD83426  Trifolium wormskioldii Jake Ruygt 1981-5-13 1020 Napa American Canyon, 0.2 mi E of Flosden Rd. 36 Comment
  UCD166662  Triglochin maritima Jake Ruygt 1988-3-18 2126 Napa Fagan's Marsh. 1 Comment
  UCD166661  Triglochin scilloides Jake Ruygt 1982-2-11 1096 Napa Suscol plain, east of Hwy 29 (221) Rocktram. 4 Comment
  JEPS113977  Trillium albidum Jake Ruygt 2003-4-5 4489 Napa Mount George, Foote Preserve, Sarco Creek. Mount George 7.5' Quad. Comment
  UC1364377  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 573 Napa just s.w. Calistoga (0.6 mi. w. of CA Hwy. 29, near Diamond Mt. Creek below Diamond Mt. Rd.) Comment
  UCD48230  Triphysaria eriantha subsp. eriantha J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 27 Napa Napa County, California. McLaughlin Reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UC1301205  Triphysaria pusilla Helen K. Sharsmith 1963-4-20 5327 Napa off of Kelly Road 4 mi s Napa; San Francisco Bay Region 45 Comment
  UC673458  Triphysaria pusilla A. E. Borell 1928-4-13 131 Napa ten mi se Petaluma Comment
  UC75149  Triphysaria versicolor subsp. faucibarbata C. F. Baker 1900-4-19 2632 Napa Calistoga Comment
  CDA41890  Triphysaria versicolor subsp. faucibarbata T. C. Fuller 1958-5-1 s.n. Napa Highways 29 & 21, 6 miles south of Napa. 0 Comment
  UC27200  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin Comment
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  JEPS110930  Triteleia hyacinthina Jake Ruygt 1995-6-5 3486 Napa Taylor property, about 2 miles south of Lake Hennessey. 432 Comment
  JEPS129029  Triteleia hyacinthina Jake Ruygt 2016-5-21 6263 Napa Wantrup Wildlife Preserve, Hardin Road. Santa Helena 7.5' Quad. Comment
  IRVC12857  Triteleia hyacinthina var. hyacinthina A. French 1967-5-14 34 Napa Highway 29; 3 mi. S of Streblow Drive Comment
  UCD139382  Triteleia laxa L. P. Thibault 1995-6-2 56 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  UCD48277  Triteleia laxa R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UCD48790  Triteleia laxa K. Mogel; B. Pekin and M. Higley 2002-5-4 12 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca.750 ft. along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  UCD48796  Triteleia laxa Kook-Hyun Chung 2001-4-28 1 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Rd., ca. 0.45 mi (2400 ft.) NW of jct with South Decker Canyon Rd.; down slope of West Road ca. 1 m. 242 Comment
  RSA0009491  Triteleia laxa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CDA30787  Triteleia peduncularis V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS54264  Tropidocarpum gracile Clara A. Hunt 1910-4-6 Napa St. Helena Comment
  SBBG2307  Umbellularia californica var. californica Milton Workman 1953-3-7 8 Napa Portuguese Cyn, Putah Crk Rd Comment
  CAS-BOT-BC381968  Uropappus lindleyi John H. Thomas 1955-5-21 5146 B Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  HSC81865  Uropappus lindleyi Thomas W. Nelson, Jane P. Nelson 1980-5-3 5144 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD21546  Uropappus lindleyi B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 6 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  UCD39036  Uropappus lindleyi Beecher Crampton 1962-5-16 6440 Napa 0.25 mile northwest of the junction of State Hwy. 128 and Spanish-Flat Lake Berryessa Road. Comment
  JEPS84560  Uropappus lindleyi John W. Willoughby 1977-4-27 2305 Napa along State Highway 128 very near Monticello Dam; Vaca Mountains 146 Comment
  JEPS43438 Image available Urtica dioica subsp. holosericea Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin Comment
  CAS-BOT-BC404186  Urtica dioica subsp. holosericea Dennis W. Woodland 1969-8-6 1312 Napa 100 yards south of junction and bridge of Pratt Ave. and Silverado Drive; 1 mile east of St. Helena and highway 29; 1/2 mile south of Anguin Road Comment
  CAS-BOT-BC526976  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1616 Napa 0.1 mi N of Anguinon Pope Valley Rd Comment
  JEPS129059  Vancouveria planipetala Jake Ruygt 1979-5-29 640 Napa 2.7 miles north of Mt. Veeder Road on Redwood Road. Sonoma 7.5' Quad. Comment
  JEPS11173  Verbascum blattaria W. L. Jepson 1936-6-2 17607 Napa near bridge on road to Sanitarium St. Helena (banks of Napa River); , St. Helena Comment
  UCD38862  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. Comment
  RSA756839  Veronica americana Barbara Ertter, Elizabeth Neese 1988-10-2 7951 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  RSA756844  Veronica catenata Barbara Ertter, Elizabeth Neese 1988-10-2 7952 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
  JEPS110574  Veronica peregrina subsp. xalapensis Jake Ruygt 1979-4-12 504 Napa .2 mile west of Soscol Ave. on Imola Ave 4 Comment
  JEPS110575  Veronica peregrina subsp. xalapensis Jake Ruygt 1996-5-13 3663 b Napa .9 mile south of Pope Canyon Road on Hardin Road. 183 Comment
  UC1198065  Veronica peregrina subsp. xalapensis J. P. Tracy 1902-5-17 1522 Napa 3-4 mi e of Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 457 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
  JEPS129174  Vicia americana Jake Ruygt 2015-3-16 6042 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  UCD95910  Vicia americana subsp. americana Ellen Dean; with Clare Loughran 2011-5-20 7049 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  RSA0015487  Vicia americana subsp. americana Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SBBG3867  Vicia americana subsp. americana H. and M. Dearing 1939-5-1 3247 Napa Spring Mtn Grade Comment
  UCD108690  Vicia americana subsp. americana K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCD20827  Vicia sativa N. Nicola 2001-3-30 43 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  POM16866  Vicia sativa C. F. Baker 1903-4-19 2600 Napa St. Helena Comment
  JEPS106538  Vicia sativa subsp. nigra Jake Ruygt 1992-4-10 2907 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  UCD49040  Vicia sativa subsp. nigra L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 4 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the East side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  UCD15486  Vicia villosa Tim Nugent 1984-5-19 3 Napa 10 meters south at creek. 304 Comment
  UCD48003  Vicia villosa subsp. varia S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 18 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 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
  CDA11439  Viola lobata G. F. Hrusa, M. Tu 1995-5-6 12162 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  RSA195287  Viola lobata Gilbert Muth 1967-4-19 604 Napa Aetna Springs Road. 457 Comment
  UCD110899  Viola lobata Heidi E. M. Dobson 1978-4-2 293 Napa East slope of Mt. Veeder.