Search Results — 2000 specimen records retrieved (1437 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=NAPA; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD54554  Acacia dealbata Ellen Dean 2005-10-12 2742 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC331525  Acer macrophyllum Alice Eastwood 1918-5-1 6870 Napa Mt. St. Helena Comment
  SEINET3477393  Acer macrophyllum Unknown 1965-8-23 7492 Napa Moskowite Corners, Moskowite Corners, 2.5 miles east, state highway 128 Comment
  UCD17988  Acer macrophyllum Ellen Dean; with Plant Biology 102 class 2001-4-14 714 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., S of jct. with Cutoff Rd., near old homestead (bathtub, etc.). 259 Comment
  UCD128301  Achillea millefolium Alan P. Godlewski 1974-5-3 26 Napa Lake Berryessa. Comment
  JEPS86592  Achnatherum lemmonii L. R. Heckard with Jake Ruygt 1987-5-10 6662 Napa 6.5 mi up from Monticello Rd., Napa (CA Hwy 121) (along Atlas Peak Rd.) Comment
  CAS-BOT-BC29759  Achyrachaena mollis Peter H. Raven 1950-5-6 2021 Napa near Old Faithful Geyser, N of Calistoga 182 Comment
  JEPS29586  Achyrachaena mollis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8443 Napa 4.8 mi n along Atlas Peak Road Vichy Springs (junct of Calif 37 with Atlas Peak Road); Milliken Reservoir (due west and above) 335 Comment
  UCD170663  Achyrachaena mollis 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
  RSA195339  Achyrachaena mollis Gilbert Muth 1967-5-19 695 Napa Milliken Dam. 335 Comment
  UCD75713  Acmispon americanus var. americanus Jake Ruygt 1986-7-12 1875 Napa Napa River, south of confluence withTulocay Cr. 1 Comment
  UCD81830  Acmispon brachycarpus Ellen Dean 2009-4-24 5460 Napa Property at 600 Petrified Forest Road. 170 Comment
  UCD75711  Acmispon glaber Jake Ruygt 2008-6-25 4931 Napa Peak below and SW of Berryessa Peak. 762 Comment
  UCD148787  Acmispon parviflorus Ellen Dean; Diana Hickson 2014-4-29 8095 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD95900  Acmispon parviflorus Ellen Dean; with Clare Loughran 2011-5-20 7044 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 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
  UCD18153  Acmispon wrangelianus Jean Shepard; with Plant Biology 102 class 2000-4-29 191 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
  UCD35290  Acmispon wrangelianus Beecher Crampton 1955-4-7 2434 Napa Napa County; 7.8 miles north of Monticello. Comment
  SEINET200082  Adenostoma fasciculatum Susan Wagener 1955-5-15 61 Napa At lookout point 1/2 mile southwest of Oakville on Triniti Road to Glen Ellen. Comment
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  CAS-BOT-BC68994  Adiantum aleuticum Peter H. Raven 1957-5-5 10769 Napa Hills at western edge of Calistoga 182 Comment
  CDA11619  Adiantum aleuticum G. F. Hrusa, G. L. Stebbins 1994-3-11 11591 Napa North Coast Biodiversity Arena; Las Posadas State Forest, in upper canyon of Moore Creek. Comment
  CAS-BOT-BC65664  Adiantum jordanii James L. Reveal 1987-6-7 6397 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 609 Comment
  CAS-BOT-BC65667  Adiantum jordanii Carl B. Wolf 1928-5-3 1843 Napa base of Mt. St. Helena Comment
  UCD136632  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa Putah Creek Canyon, 12 miles west of winters. Comment
  UCD73513  Agoseris grandiflora Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC584445  Agoseris grandiflora var. grandiflora J. Jenkins 1936-1-1 Napa Mt. Veeder Mt. Veeder Comment
  CAS-BOT-BC22754  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek Canyon, 7 miles NW of Monticello Comment
  POM203304  Agoseris heterophylla John T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC46060  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  UC164850  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-14 1439 Napa 3-4 mi e, (head of Moore's Creek) Angwin's; Howell Mountain, Moore's Creek 365 Comment
  JEPS36391  Agoseris heterophylla var. heterophylla Willis L. Jepson 1893-5-8 Napa near New Eden; Napa River Basin, Howell Mt. Grade Comment
  JEPS104500  Agoseris retrorsa Jake Ruygt 1989-4-22 2269 Napa East of Highway 121 on Highway 128 (marker 26.81) Capell Valley 7.5' Quad. Comment
  JEPS104577  Agoseris retrorsa Jake Ruygt 1982-5-26 1293 Napa Mt. St. Helena toward The Palisades. Deter Reservoir 7.5' Quad. 731 Comment
  UC114099  Agrimonia gryposepala unknown 1888-1 Napa Howell Mt. Comment
  CAS-BOT-BC127402  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  UCD51702  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 3-4 miles east of Angwin's, Howell Mountain. 518 Comment
  CAS-BOT-BC127141  Agrostis exarata Betty H. Johnson 1958-6-20 648 Napa Near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  SEINET10843464  Agrostis foliosa Joseph P. Tracy 1905-7-5 Tracy 2210 Napa Howell Mountain, on hills at head of Moore's creek, 3.4 miles E of Angwin's. Comment
  CAS-BOT-BC139729  Agrostis gigantea Peter H. Raven 1951-6-24 3010 Napa Napa. 30 Comment
  UCD164740  Agrostis gigantea Jake Ruygt 2014-7-7 6021 Napa Pope Creek. Pope Canyon. 188 Comment
  CAS-BOT-BC139522  Agrostis hallii Peter H. Raven 1951-6-24 3013 Napa Browns Valley. 30 Comment
  UC1059033  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa 2 mi n Calistoga; meadow from waters supplied by Myrtledale Hot Springs Comment
  UCR146401  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa Napa Valley, 3 miles south of Calistoga 99 Comment
  UCD53065  Agrostis microphylla var. intermedia Beecher Crampton 1956-5-21 3444 Napa meadow of waters supplied by the Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  JEPS71140  Agrostis pallens W. L. Jepson 1936-7-3 17637 Napa Four Corners Napa Range, Howell Mt. Comment
  UC1103527  Agrostis pallens J. P. Tracy 1899-6-26 350 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  SEINET9358474  Agrostis pallens Unknown 2007-5-30 Napa Brend-Morgan property, ca. 3 mi NE of city of Napa. Gentle sw-facing slope, open chaparral, dry habitat on rocky, volcanic soil. Assoc. species: Heteromeles arbutifolia, Arctostaphylos manzanita, A. glandulosa, Mimulus aurantiacus, Adenostoma fascicularis, Baccharis pilularis, Ceanothus foliosus, and C. purpureus. Comment
  JEPS123025  Aira caryophyllea Jake Ruygt 1983-4-26 1447 Napa Highway 12 at Sonoma Co. line. Quad: Sonoma. Comment
  RSA95482  Allium amplectens L. S. Rose 1954-5-24 54048 Napa Summit, Wooden Valley grade, 6 miles NE of Napa. Comment
  CAS-BOT-BC466764  Allium cratericola Alice Eastwood 1923-5-9 s.n. Napa Old crater, Mt. St. Helena Comment
  JEPS47555  Allium falcifolium W. L. Jepson 1938-5-22 18816 Napa Limekiln Canyon Pope Valleym, Limekiln Canyon Comment
  UCD138526  Allium falcifolium L. P. Thibault 1995-5-19 39 Napa Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  CAS-BOT-BC469022  Allium falcifolium R. C. Barneby 1954-4-30 11336 Napa Conn Valley, near the slipway. Comment
  UC726233  Allium falcifolium A. A. Heller 1941-5-16 16129 Napa on road to Upper Lake about 3 mi w Knoxville Comment
  HSC43914  Allium fimbriatum var. fimbriatum Robert M. Specht 1977-5-14 886 Napa Near junction of Develhead Rd. and Morgan Valley Rd. 463 Comment
  CAS-BOT-BC468998  Allium fimbriatum var. fimbriatum John Thomas Howell 1931-4-3 6131 Napa Pope Creek Canyon, Napa Range Comment
  CAS-BOT-BC472796  Allium neapolitanum Merrel Ackley 1956-4-1 s.n. Napa 2 miles east of Napa Comment
  CAS-BOT-BC475559  Allium serra Alice Eastwood 1930-4-13 17927 Napa Canon between Monticello and Pope Valley Comment
  SEINET3879166  Allium serra D. W. McNeal 1978-4-29 2114 Napa Above the Lake Berryessa-Lower Lake rd., 1.2 mi N of Knoxville.; 0 Comment
  JEPS120324  Allophyllum divaricatum Jake Ruygt 1989-4-22 2271 a Napa East of Highway 121 on Highway 128. Capell Valley 7.5' Quad. Comment
  UCD167207  Allophyllum divaricatum Jake Ruygt 1998-6-20 4045 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  CAS-BOT-BC170679  Alnus rhombifolia H. E. McMinn 1922-8-2 357 Napa Putah Canyon Comment
  JEPS126112  Alnus rhombifolia Jake Ruygt 1978-4-6 266 Napa 2.9 miles east of Dry Creek Road on Redwood Road. Napa 7.5' Qua. Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  JEPS123023  Alopecurus saccatus Jake Ruygt 1989-4-6 2247 Napa Pasture across from Bale Mill entrance. Quad: Calistoga. Comment
  UCD19922  Amaranthus albus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 777 Napa Quail Ridge Reserve. Decker Canyon, stock pond on south side of canyon, south of old buildings in pine/ oak woodland. 167 Comment
  UCD148568  Amaranthus blitoides Jake Ruygt 2001-10-22 4347 Napa Napa County; Dry Creek at Solano Avenue. 28 Comment
  CAS-BOT-BC136740  Amelanchier utahensis Clara A. Hunt 1923-1-1 s.n. Napa Near St. Helena Comment
  JEPS45149  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 a Napa Howell Mt. grade; Napa River Basin Comment
  UC12077  Amelanchier utahensis Willis L. Jepson 1893-5-8 Napa below New Eden (Howell Mt); Napa River Basin, Howell Mt. Comment
  UCD167279  Ammannia robusta Jake Ruygt 2006-9-5 5097 Napa Conn Creek northwest of confluence with Rector Creek. 30 Comment
  JEPS16027  Ammi majus Willis L. Jepson 1893-4 14205 Napa near Yountville; Napa Valley, Napa R. Basin Comment
  UC2061508  Ammi majus Dean G. Kelch 2016-7-9 16 .151 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  CAS-BOT-BC177208  Amorpha californica var. napensis L. R. Abrams 1916-7-3 5778 Napa Road between Calistoga and Petrified Forest Comment
  RSA721588  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s.n. Napa Dry Creek Road about 100 yards east of the intersection with Wall Road, about five miles west of Oakville (just north of Yountville) Comment
  UCD56011  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. N of Hwy 29. Steep, north-facing slope above Garnet Cr. 400 Comment
  UCD169886  Amsinckia intermedia Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 725 Napa Knoxville Wildlife Area. 352 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
  RSA195307  Amsinckia intermedia Gilbert Muth 1967-4-23 648 Napa Spring Mountain Road, St. Helena. Comment
  UC573154  Amsinckia intermedia Herbert L. Mason 1926-3-20 2755 Napa Calistoga Comment
  UCD13131  Amsinckia intermedia Etienne and Laurie Oleksiewicz 1981-4-18 9 Napa Napa CO. On Knoxville Rd., 8.9 miles north of Pope Canyon Rd. Comment
  UC1301077  Amsinckia lycopsoides Helen K. Sharsmith 1963-3-17 5210 Napa s side Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC24615  Amsinckia lycopsoides Willis L. Jepson 1891-5-1 Napa Upper Conn Valley; Napa River Basin 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
  UCD119763  Amsinckia menziesii S. Galen Smith 1951-4-15 s.n. Napa Along Silverado Trail. Comment
  UC1191037  Amsinckia menziesii var. menziesii Francia Chisaki 1954-4-15 597 Napa 2 mi s of Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD83667  Anagallis arvensis Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 2 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 175 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
  UCD148818  Ancistrocarphus filagineus Ellen Dean; Diana Hickson 2014-4-29 8124 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD170806  Ancistrocarphus filagineus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  JEPS110887  Anemone oregana Jake Ruygt 1997-5-13 3851 Napa Monticello Road at north entrance to Leoma Lakes 385 Comment
  UC648280  Angelica californica Alice Eastwood, John Thomas Howell 1939-6-11 7428 Napa w of Calistoga Comment
  UCD127188  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  RSA517  Angelica tomentosa var. tomentosa J. T. Howell 1927-8-24 689 Napa Butte Valley, Napa Range Comment
  JEPS104498  Anthriscus caucalis Jake Ruygt 1986-5-7 1754 Napa Lake Marie Trail, Skyline Park 152 Comment
  UC157399  Antirrhinum cornutum Katharine Brandegee 1911-6-29 Napa Butts Canyon 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
  UCD144648  Antirrhinum vexillocalyculatum 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
  JEPS110622  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1978-5-23 98 Napa .4 mile west of Langtry Rd. on Spring Mountain Rd. 185 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
  UC1176938  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Peter H. Raven 1950-6-20 2334 Napa between Conn Valley and St. Helena; Napa Range Comment
  CAS-BOT-BC237919  Antirrhinum virga T. S. Brandegee 1883-8-1 s.n. Napa Hills near Calistoga Comment
  JEPS25048  Antirrhinum virga J. P. Tracy 1899-6-18 368 Napa 3-4 mi e Angwin's (La Jota Plateau); Howell Mountain, Head of Moore's Creek, La Jota Plateau 518 Comment
  CAS-BOT-BC447684  Aphanes arvensis Ira L. Wiggins 1932-3-12 5763 Napa Hillside between Franz Valley and Calistoga Comment
  HSC24622  Aphanes occidentalis I. L. Wiggins 1932-3-12 5763 Napa Hillside between Franz Valley and Calistoga Comment
  UCD149640  Apiastrum angustifolium Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UC1197615  Apocynum androsaemifolium Joseph P. Tracy 1899-7-3 435 Napa 3 - 4 mi. e. of Angwin's (on hills at head of Moore's Creek, Howell Mt.); North Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  UC623308  Apocynum androsaemifolium H. L. Mason 1939-5-18 12103 Napa near summit of Wooden Valley Grade Comment
  UC623309  Apocynum androsaemifolium H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  JEPS110886  Aquilegia eximia Jake Ruygt 1979-7-4 740 Napa 2.1 miles east of Silverado Trail on HWY 128 109 Comment
  UC1196199  Aquilegia eximia Joseph P. Tracy Jul 2 1899-Jul 5 1899 353 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. Comment
  JEPS106845  Arabis glabra Jake Ruygt 1992-4-7 2892 Napa Tuteur Ranch, SW corner 365 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
  JEPS53025  Arabis glabra Willis L. Jepson 1893-4-25 13387 Napa near St. Helena (Bed of Sulphur Springs Creek); Sulphur Springs Creek Comment
  UCD75841  Arabis oregana Jake Ruygt 1984-3-3 1501 Napa Devilshead Rd. near Cedar Creek. 542 Comment
  RSA10639  Arceuthobium campylopodum Carl B. Wolf 1928-5-4 1851 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC410144  Arceuthobium occidentale Peter H. Raven 1951-10-28 3928 Napa Corn Valley 152 Comment
  CAS-BOT-BC24162  Arctostaphylos Ira L. Wiggins 1949-4-30 12084 Napa On saddle about 1.5 miles from summit of Mount St. Helena 1066 Comment
  JEPS38631  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14695 Napa first summit Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC23962  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1963-9-23 105 Napa Near quarry, near Lake County Line, Mt. St. Helana. Adjacent to Silverado State Park. Comment
  CAS-BOT-BC23978  Arctostaphylos canescens subsp. canescens H. E. McMinn 1926-1-2 1629 C Napa Trail up Mt. St. Helena Comment
  CAS-BOT-BC24018  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4563 Napa Crater Country, near Mt. St. Helena Comment
  RSA182020  Arctostaphylos canescens subsp. canescens W. L. Jepson 1893-4-25 14698 Napa Aux's Knob, west of St. Helena. Comment
  UCD50911  Arctostaphylos glandulosa Amelie Blyth 1952-4-27 6- 8 Napa Along road near top of Mt. Vaca, Napa-Solano County line. Comment
  CAS-BOT-BC24863  Arctostaphylos glandulosa subsp. cushingiana Gertrude Raven Hardman 1967-12-25 s.n. Napa Pope Valley Comment
  CAS-BOT-BC24864  Arctostaphylos glandulosa subsp. cushingiana Carl B. Wolf 1928-5-4 1861 Napa Upper slopes of Mt. St. Helena Comment
  CAS-BOT-BC24867  Arctostaphylos glandulosa subsp. cushingiana Peter H. Raven 1952-8-27 5156 Napa Fire trail below Lokoya. 396 Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  CAS-BOT-BC23102  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-7-13 5351 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC23142  Arctostaphylos glandulosa subsp. glandulosa C. Hart Merriam 1919-9-12 s.n. Napa Grade 4 miles NE Comment
  CAS-BOT-BC23148  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  JEPS106417  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1981-4-12 974 Napa Grassy Hill near Palisades 670 Comment
  JEPS106418  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1986-3-16 1654 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 463 Comment
  UC1120313  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1936-9-20 711 Napa Mt. St. Helena Calistoga Quadrangle Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  RSA633051  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24805 Napa On southeast side of Mt. St. Helena. 930 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
  UC876434  Arctostaphylos manzanita Alice Eastwood and John Thomas Howell 1937-4-4 3830 Napa e Napa; Wooden Valley Grade Comment
  UCSB30736  Arctostaphylos manzanita Kelly, Michael 1975-3-24 Napa On right side of the road; 10 miles east of the intersection of Hwy. 129 and 29; across from Lake Berryessa 609 Comment
  JEPS106416  Arctostaphylos manzanita subsp. elegans Jake Ruygt 1978-3-19 245 Napa Mt. St. Helena 1097 Comment
  POM125381  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  CAS-BOT-BC24288  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-28 84 Napa Calistoga. Comment
  CAS-BOT-BC38761  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa Wooden Valley Grade Comment
  CAS-BOT-BC38766  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4558 Napa About 1 mile se. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  CAS-BOT-BC38771  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1919-9-12 s.n. Napa Napa (grade 4 miles NE) Comment
  JEPS122803  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5104 Napa 2.3 miles east of Moscowite corner on Highway 128. QUAD: Capell Valley. Comment
  JEPS122805  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5109 Napa Howell Mtn Road, 0.2 mi SW of Conn Valley Road. QUAD: St. Helena. Comment
  JEPS38880  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa near St. Helena; Napa Range, Glass Mt. Comment
  RSA602257  Arctostaphylos manzanita subsp. manzanita L. C. Wheeler 1952-8-30 6877 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCD164871  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2013-2-14 5901 Napa Atlas Peak Road near Milliken Reservoir. Comment
  UCD82605  Arctostaphylos manzanita subsp. manzanita Ellen Dean; T. Starbuck 2009-5-4 5543 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD95921  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7055 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43835  Arctostaphylos stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mi north of Summit of Mt. St. Helena grade Comment
  CAS-BOT-BC43841  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CAS-BOT-BC43846  Arctostaphylos stanfordiana L. R. Abrams 1928-5-4 12262 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC43862  Arctostaphylos stanfordiana C. Hart Merriam 1906-8-15 s.n. Napa Mt. St. Helena (East side) Comment
  CAS-BOT-BC43868  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11089 Napa Calistoga Comment
  CAS-BOT-BC43872  Arctostaphylos stanfordiana John Thomas Howell 1930-7-13 5356 Napa edge of the Crater Country Comment
  CDA11908  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11714 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS38675  Arctostaphylos stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Napa Range Comment
  LA42285  Arctostaphylos stanfordiana Lewis S. Rose; 1939-4-16 39071 Napa 4 mi. NE of Napa 198 Comment
  OBI14517  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 244 Comment
  SD125797  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. SW of Angwin 245 Comment
  SD64429  Arctostaphylos stanfordiana Darley F. Howe 1966-6-3 4264 Napa 3 mi. S of Angwine 305 Comment
  UC193330  Arctostaphylos stanfordiana C. C. Parry April 1888 Napa Calistoga Comment
  UC205094  Arctostaphylos stanfordiana Katharine Brandegee Napa St. Helena Comment
  UC876544  Arctostaphylos stanfordiana Lewis S. Rose 1939-4-16 39071 Napa 4 mi ne Napa 198 Comment
  UCD73840  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4975 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  POM202664  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  UC763118  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek Comment
  SBBG19109  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2036 Napa 6 mi S of Pope Valley on the lake rd 335 Comment
  UC1388341  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-19 925 Napa 1 mi nw Knoxville (Lake-Napa Co. line); North Coast Ranges Comment
  CAS-BOT-BC400455  Aristolochia californica Mrs. H. C. Cantelow 1936-3-22 1123 Napa Howell Mt. Comment
  UC185097  Aristolochia californica H. P. Chandler 1907-5-30 7599 Napa St. Helena, White Sulphur Spring Comment
  UC767467  Arnica discoidea R. F. Hoover 1941-5-10 5014 Napa e side Mt. St. Helena Comment
  UCD38611  Arnica discoidea Beecher Crampton 1956-5-25 3484 Napa Howell Mtns. Comment
  CAS-BOT-BC90266  Artemisia douglasiana John Thomas Howell 1929-8-4 4368 Napa One mile below Samuels Springs, Pope Creek [Canon], Napa Range Comment
  SEINET258288  Artemisia douglasiana Unknown 1986-9-19 10231 Napa Napa County: in the northern end of the Napa Valley, on the west side of Calistoga. 110 Comment
  JEPS36973  Artemisia douglasiana W. L. Jepson 1894-11-7 Napa Napa City Comment
  JEPS104548  Asclepias eriocarpa Jake Ruygt 1989-6-17 2383 Napa Garnett Creek at Silverado Trail 128 Comment
  UCD148097  Asclepias eriocarpa Jake Ruygt 2002-8-24 4451 Napa Calistoga; northwest corner of Mora Lane and Silverado Trail. 124 Comment
  UCD20615  Asclepias eriocarpa E. Dean; with M. Bibbo 2002-7-5 1162 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  JEPS122691  Asclepias solanoana Jake Ruygt 1988-5-29 1480 Napa Sensitive plant canyon. Quad: Knoxville. Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  POM41975  Aster subspicatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC140643  Asteraceae John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  CAS-BOT-BC180463  Astragalus breweri Robert F. Hoover 1941-4-26 4920 Napa Between Walter Springs and Pope Valley Comment
  RSA161407  Astragalus breweri R. C. Bacigalupi 1926-3-27 1250 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  UCD38369  Astragalus breweri Beecher Crampton 1955-4-4 2387 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  JEPS107259  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa East end of Taplin Road 106 Comment
  UC517971  Astragalus claranus John Thomas Howell 1931-4-19 6442 Napa Conn Valley Comment
  UC13336  Astragalus clevelandii W. L. Jepson 1892-7 Napa Knoxville Comment
  UC1199089  Astragalus gambelianus Joseph P. Tracy 1899-6-14 400 Napa 3-4 mi e Angwin's Howell Mountain (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, , head of Moore's Cree 365 Comment
  UCD47978  Astragalus gambelianus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 11 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
Read comments
Jan 14 2009
  UC862608  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs; ; Walter Springs, Napa Co. Comment
  CAS-BOT-BC17535  Athysanus pusillus Peter H. Raven 1950-4-15 1709 Napa Silverado Trail outside of Napa. 15 Comment
  POM182693  Athysanus pusillus D. D. Keck 1931-4-2 1005 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  UCD114242  Athysanus pusillus June McCaskill 1965-3-4 694 Napa ca. 1/2 mile east of mail boxes on road to M and M Ranch, in middle of Snell Valley. Comment
  CDA10913  Avena barbata G. F. Hrusa, M. Rejmanek 1993-5-15 11009 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC98615  Baccharis pilularis John Thomas Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  RSA136311  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  JEPS40689  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1915-4-23 6247 Napa Conn Valley, Napa Range Comment
  UC552234  Barbarea orthoceras Joseph P. Tracy 1933-4-30 12111 Napa La Jota Palteau, Howell Mountain, on hills head of Moore's creek, 3-4 miles East of Angwin's 518 Comment
  UCD38368  Barbarea vulgaris Beecher Crampton 1955-4-4 2386 Napa 0.5 mile east of St. Helena, Silverado Trail. Comment
  UCD56807  Beckmannia syzigachne B. Crampton 1954-6-25 2011 Napa 3 miles south of Calistoga. Comment
  JEPS11299  Bellardia trixago W. L. Jepson 1938-5-15 18782 Napa 0.5 mi n Napa Wye Comment
  UCD95912  Berberis aquifolium var. repens Ellen Dean; with Clare Loughran 2011-5-20 7051 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  RSA80689  Boisduvalia densiflora var. densiflora F. W. Peirson 1928-7-4 7952 Napa Summit of Mt. Helena Grade Comment
  SBBG128576  Bolboschoenus maritimus L. Ahart 2009-10-12 16460 Napa below high water line of Lake Berryessa, along Capell Crk S of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd 133 Comment
  CAS-BOT-BC31397  Bolboschoenus robustus Peter H. Raven 1952-8-26 5135 Napa Salt marshes near Bently Wharf. 15 Comment
  UCD75843  Brassica nigra Jake Ruygt 1989-5-21 2345 Napa Napa, Willis Drive. 15 Comment
  CAS-BOT-BC36762  Brassica rapa Elsa G. Ruckert 1960-2-20 4 Napa 6495 Dry Creek Road. 365 Comment
  UCD159468  Brickellia californica D. S. Park 2010-8-13 222 Napa Along Berryessa Knoxville Rd. Near dried up creek bed. Shrub on side of the road. 218 Comment
  RSA10684  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1158114  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jota Plateau Northern Coast Ranges, Howeel Mountain (3-4 mi e of Angwin's, on hills at head of Moore's Creek) 518 Comment
  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
  UCD160776  Briza minor Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8656 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  JEPS7659  Brodiaea elegans subsp. elegans W. L. Jepson 1893-6-24 Napa near Napa; Lower Napa Valley Comment
  CAS-BOT-BC484199  Brodiaea elegans var. elegans Rimo Bacigalupi 1928-6-20 1864 Napa Howell Mt 10 miles west of St. Helena Comment
  JEPS50490  Brodiaea leptandra Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9305 Napa in dry bed of rivulet along Conn Valley Rd. 0.8 mi e junction with Howell Mtn. road (at upper end of valley); Conn Valley 121 Comment
  UCD148580  Brodiaea leptandra Jake Ruygt 1992-5-25 3006 Napa Napa County; north of Leoma Lakes near access road to Wild Horse Valley Reservation. 411 Comment
  CAS-BOT-BC486433  Brodiaea terrestris subsp. terrestris Peter H. Raven 1957-5-5 10750 Napa Near the hot springs, Calistoga 91 Comment
  UCD149594  Bromus 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
  UCD95684  Bromus arizonicus Ellen Dean; with Clare Loughran 2011-5-20 7029 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  CDA10879  Bromus carinatus G. F. Hrusa, M. Rejmanek 1993-5-15 10974 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS123013  Bromus carinatus var. carinatus Jake Ruygt 1990-5-16 2549 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  RSA10672  Bromus commutatus C. B. Wolf 1928-5-3 1817 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD59484  Bromus diandrus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3548 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCD120791  Bromus hordeaceus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7331 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
  CDA10878  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10973 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD58901  Bromus laevipes Beecher Crampton 1957-6-4 4107 Napa Above Capell Creek. North end of Capell Valley. Comment
  CAS-BOT-BC161830  Bromus rubens Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5333 Napa Pope Creek east of Samuels Springs. 91 Comment
  UCD17978  Bromus sterilis Ellen Dean; with Plant Biology 102 class 2001-4-14 703 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
  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
  UCD60221  Bromus tectorum R. Tofsrud 1950-10-14 s.n. Napa Summit of road between Oakville and Glenn Ellen. Comment
  CAS-BOT-BC185228  Calamagrostis koelerioides Beecher Crampton 1957-5-16 4045 Napa Above Capell Creek, north end of Capell Valley. Comment
  CAS-BOT-BC438471  Calandrinia ciliata Elsa G. Ruckert 1960-3-13 26 Napa 6495 Dry Creek Road, on private road east of house 200 yards. 365 Comment
  UCD100264  Calandrinia ciliata R. L. Smith 1948-5-1 s.n. Napa Monticello. Comment
  CDA6851  Calendula arvensis B. Bond 1952-3-13 Napa South of Napa. 0 Comment
  POM137262  Callitriche heterophylla C. F. Baker 1903-4-19 2772 Napa St. Helena. Comment
  CAS-BOT-BC85796  Calocedrus decurrens Carl B. Wolf 1928-2-25 1508 Napa 3 miles north of summit of Mt. St. Helena Grade Comment
  UCD139461  Calochortus albus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  CAS-BOT-BC488486  Calochortus amabilis John H. Thomas 1955-5-21 5119 Napa Sarco Creek drainage, near State Highway no. 37, about 6 miles from Napa 274 Comment
  UCD169609  Calochortus amabilis Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  UCD48263  Calochortus amabilis Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 3 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd, 1st ridge south of Devilhead Rd. 518 Comment
  CAS-BOT-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
  RSA145271  Calochortus amabilis Simonds 1928-05 SN Napa Browns Valley. Comment
  UCD139473  Calochortus amabilis Alan P. Godlewski 1974-5-3 21 Napa West of Lake Berryessa. 100 yards from Highway 128. Comment
  UCD14304  Calochortus amabilis Todd Jones 1983-5-1 14 Napa Highway 128, ca. 1.9 miles north of Moscowite Corners, 15.6 miles beyond Monticello Dam. Comment
  JEPS113981  Calochortus luteus Jake Ruygt 1982-5-25 1286 Napa Suscol Hill, west of Highway 29 (221). Cuttings Wharf 7.5' Quad. Comment
  UCD139530  Calochortus luteus J. Buck 1996-6-2 23 Napa at Hennessey Lake along Highway 128, in field near the boat. 48 Comment
  UCD170363  Calochortus luteus Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 861 Napa Knoxville Wildlife Area, south of Nevada Creek. 450 Comment
  UCD41332  Calochortus luteus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 7 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 434 Comment
  CAS-BOT-BC492539  Calochortus luteus Peter H. Raven 1952-5-31 4138 Napa Summit of hill sw. Rector Canyon 304 Comment
  UCD166649  Calochortus luteus Jake Ruygt 1982-7-6 1366 Napa north of American Canyon (Cantoni Canyon). 259 Comment
  UC1103467  Calochortus tolmiei J. P. Tracy 1899-6-10 447 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  CAS-BOT-BC132620  Calochortus uniflorus Milo S. Baker 1927-4-23 2202 a Napa Calistoga Geyser Comment
  UC1112208  Calochortus uniflorus Peter H. Raven 1957-5-5 10736 Napa Calistoga, field near the hot springs at the airport Calistoga Comment
  SEINET12049807  Calochortus vestae F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -334 Napa along Butts Canyon Rd near jct with Snell Valley Rd enroute to Berryessa Estates along Butts Creek 250 Comment
  UCD166654  Calochortus vestae Jake Ruygt 1993-6-12 3285 Napa Lewelling Ranch, west end of Lewelling Lane. 170 Comment
  SEINET3863994  Calycadenia fremontii G. D. Carr 1971-8-6 616 Napa Lower Chiles Valley Rd, 1.3 mi N of its jct with Hwy 128, 11 mi SE of Pope Valley, on E slope.; 0 313 Comment
  UCD161587  Calycadenia micrantha Jake Ruygt 2008-5-10 5328 Napa Buzzard's Roost, east of Stags Leap, Napa Range. (Coordinates converted from UTM data by label maker.) 480 Comment
  CAS-BOT-BC270611  Calycadenia multiglandulosa G. D. Carr 1971-6-17 566 Napa Junction of Howell Mountain, Deer Park, White Cottage Roads (Four Corners), ca. 1.5 miles SW of Angwin 424 Comment
  UC1876150  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Rds. Comment
  CAS-BOT-BC270615  Calycadenia multiglandulosa David D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  CAS-BOT-BC270833  Calycadenia pauciflora John Thomas Howell 1929-8-4 4364 Napa 1 mile below Samuels Springs, Pope Creek Canon [Pope Creek Canyon], Napa Range Comment
  UCD129808  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles north of Hwy 128. Comment
  UCD129812  Calycadenia pauciflora Gerald D. Carr 1971-8-6 620 Napa Lake Hennessy, Hwy 128, 1.7 miles southwest of Chiles-Pope Valley Road. Comment
  RSA255580  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road 610 Comment
  UC1876269  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 mi SE of Lake Co. line on Morgan Valley Rd. 609 Comment
  UCD129863  Calycadenia pauciflora Gerald D. Carr 1974-5-28 762 Napa 3.3 miles southeast of Howell Mountain Road on Conn Valley road, west facing slope. Comment
  UCD33684  Calycadenia truncata Beecher Crampton 1971-10-26 8766 Napa 4.7 miles east of Conn Reservoir Dam on State Hwy. 128. Comment
  CAS-BOT-BC271556  Calycadenia truncata subsp. truncata H. M. Hall 1924-8-24 s.n. Napa St. Helena Comment
  CAS-BOT-BC271557  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271569  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa St. Helena, base of hills east of town Comment
  CAS-BOT-BC90956  Calycanthus occidentalis W. L. Jepson 1891-7-7 s.n. Napa In the Vaca Mountains. Comment
  JEPS40311  Calycanthus occidentalis W. L. Jepson 1894-10-18 Napa Upper Conn Valley Comment
  JEPS40312  Calycanthus occidentalis Willis L. Jepson 1901-8-6 1725 Napa Howell Mt. grade; Napa River Basin Comment
  JEPS40320  Calycanthus occidentalis Willis L. Jepson Jul 1894 Napa Mt. St. Helena Comment
  SBBG2304  Calycanthus occidentalis E. R. Blakley 1956-12-23 2016 Napa base of Linda Falls, Angwin 426 Comment
  SFV5086  Calycanthus occidentalis B. C. Templeton 1957-6-26 s. n. Napa About 1.1 miles east of Calistoga. Comment
  UCD151050  Calycanthus occidentalis R. H. Miller 1949-5-8 49 Napa along Highway 37, about 13 miles northeast of Napa. Comment
  UCD15499  Calycanthus occidentalis Ted Graber 1984-5-12 28 Napa 1 mile west from Conn Dam on highway 128. 60 Comment
  UC545814  Calyptridium quadripetalum Herbert L. Mason 1935-5-30 10010 Napa 4 mi n of Knoxville (on the Monticello-Lower Lake Road) Comment
  CAS-BOT-BC221552  Calystegia collina subsp. collina R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6682 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  UCD126069  Calystegia collina subsp. oxyphylla B. Wengeler 1995-4-30 s.n. Napa 9.5 miles northwest of Highway 128 along Lower Chiles Valley Road. 293 Comment
  UCD161311  Calystegia collina subsp. oxyphylla Joe Callizo 1998-6-18 s.n. Napa Livermore Road. (Coordinates estimated by label maker at UC Davis). 524 Comment
  JEPS120397  Calystegia occidentalis Jake Ruygt 1985-5-18 1597 Napa Foss Valley Comment
  UCD167154  Calystegia occidentalis Jake Ruygt 2015-5-13 6102 b Napa East of Zim- Zim Creek parking lot. 350 Comment
  SEINET5741986 Image available Calystegia occidentalis Midori J. Minabe 1971-1 70 Napa Ca. 2 miles SW of Solano County line on Route 128 and ca. 0.5 mile north (?) on dirt road, south of Lake Berryessa.; Lake Berryessa Comment
  UCD126140  Calystegia occidentalis M. Ensign 1943-5-28 315 Napa About 12 miles from Monticello on road to Lower Lake. Comment
  UCD164771  Calystegia occidentalis subsp. occidentalis Jake Ruygt 2014-5-19 5945 Napa Sutro Ranch, Atlas Peak. 762 Comment
  JEPS31645  Calystegia purpurata Willis L. Jepson 1893-5-2 14518 Napa e Calistoga (New Pope Valley grade, Napa River Basin); Napa River Basin, e of Calistoga Comment
  UCD48865  Calystegia purpurata A. Collier; D. Caterson and S. Kenady 2002-5-4 11 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 3 m. Moderate slope, E-facing. 341 Comment
  JEPS31641  Calystegia purpurata Willis L. Jepson 1894-5-1 14515 Napa Napa River Basin , trip to mouth Conn Valley (trip to Mouth Conn Valley) Comment
  UC796481  Calystegia purpurata Ira L. Wiggins 1949-4-30 12080 Napa on rocky ridge along old toll road between Calistoga and Middletown; between Calistoga and Middletown Comment
  JEPS106402  Calystegia purpurata subsp. purpurata Jake Ruygt 1989-6-3 2363 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  SEINET7072530  Calystegia subacaulis A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  JEPS106399  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1987-5-27 2015 Napa Buchli Station, D.F.G. Huichica property 3 Comment
  CDA24737  Camelina sativa P. B. Kennedy 1922-5-5 Napa Napa. 0 Comment
  JEPS122732  Camissonia contorta Jake Ruygt 1991-5-4 2637 Napa Between Fawn Lake and Granite Lake Friesen's Lakes. Quad: St. Helena. Comment
Read comments
Jun 18 2018
  UC924274  Camissoniopsis hirtella H. S. Reed 1940-3-23 325 Napa ridge w Oakville 152 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
  UC169031  Campanula griffinii Joseph P. Tracy 1905-7-5 2209 Napa on hills at head of Moore's Creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain 365 Comment
  UCD75839  Campanula griffinii Jake Ruygt 1996-5-14 3691 Napa White Cliff Springs, Elder Valley, Sabini property. 384 Comment
  UCD114140  Capsella bursa-pastoris David Lawfer 1952-3-11 107 Napa Napa. Comment
  CAS-BOT-BC37585  Cardamine californica John Thomas Howell 1931-4-2 6081 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  CAS-BOT-BC37590  Cardamine californica Peter H. Raven 1953-2-21 5194 Napa Steel Canyon. 213 Comment
  UCD170198  Cardamine californica Daniel Potter 2015-3-14 759 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 248 Comment
  UCD74393  Cardamine californica Jake Ruygt 2006-4-15 4978 Napa Las Posadas State Forest, near county road. 507 Comment
  JEPS53381  Cardamine californica var. integrifolia Willis L. Jepson 1893-3-13 32 e Napa St. Helena , St. Helena (Napa River Basin) 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
  UCD41309  Cardamine oligosperma Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  UCD41308  Carduus pycnocephalus Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  CAS-BOT-BC281732  Carduus pycnocephalus Betty H. Johnson 1958-6-15 627 Napa 6.4 miles SW of [unreadable] Comment
  CAS-BOT-BC281786  Carduus tenuiflorus John H. Thomas 1955-5-21 5123 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UC1618049  Carex aquatilis Donald G. Nelson 1936-4-1 128 Napa along trail to Green Valley Falls Comment
  UCD161335  Carex barbarae Jake Ruyget 1982-6-29 1341 Napa Napa County : 0.6 miles south of Yountville on Highway 29. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UC592674  Carex barbarae Wilhelm N. Suksdorf 1913-7-24 619 Napa Napa River below the city Comment
  CAS-BOT-BC35072  Carex densa Peter H. Raven 1951-6-10 2948 Napa Crater Region of Palisades. 762 Comment
  UC1115810  Carex densa Joseph P. Tracy 1938-6-5 15836 Napa 5 mi E of Angwins (Howell Mountain, hills at head of Moores Creek) 457 Comment
  UC824766  Carex densa Lewis S. Rose 1935-6-4 35193 Napa Roadside ditch Oakville Comment
  CAS-BOT-BC35068  Carex densa Lewis S. Rose 1935-6-4 35205 Napa East slope Mount St. Helena. Comment
  JEPS121350  Carex dudleyi Jake Ruygt 2006-4-15 4980 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  SEINET7558576 Image available Carex feta Wilhelm N. Suksdorf 1913-7-28 7071 Napa North of Napa. Comment
  CAS-BOT-BC20850  Carex globosa John Thomas Howell 1941-4-5 16158 Napa Franz Valley. Comment
  UCD161635  Carex globosa Jake Ruygt 2005-4-4 4742 Napa Mt. St. Helena, Highway 29 at Old Toll Road. (Coordinates converted from UTM data by label maker.) 472 Comment
  UC562284  Carex multicaulis Joseph P. Tracy 1933-4-30 12101 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD121154  Carex multicaulis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7351 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  JEPS121338  Carex nudata Jake Ruygt 1978-4-6 267 Napa 2. [sic] miles west of Dry Creek on Redwood Road Comment
  JEPS121336  Carex nudata Jake Ruygt 1984-3-20 1506 Napa Bear Canyon Comment
  JEPS121337  Carex nudata Jake Ruygt 1993-4-3 3179 Napa Little Bear Valley, along drainage leading in from the W. Comment
  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
  RSA155418  Carex nudata L. S. Rose 1961-3-30 61024 Napa Lake Hennessy. 61 Comment
  UCD161584  Carex nudata Jake Ruygt 2008-4-12 5290 Napa Zim-Zim Creek, downstream of falls about 3/4 mile. 268 Comment
  UCD161703  Carex praegracilis Jake Ruygt 2010-5-15 5554 -b Napa Butts Creek, Missimer / Snell Valley Preserve. 185 Comment
  RSA98669  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon. 244 Comment
  UCD161615  Carex subbracteata Jake Ruygt 2002-4-15 4391 Napa north of Foss Valley, Atlas Peak Vineyards (Antinori). 448 Comment
  UCD161699  Carex subbracteata Jake Ruygt 2010-5-20 5572 Napa North Whitehall Lane at the first slope encountered traveling west. 70 Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 Comment
  UCD161640  Carex subfusca Jake Ruygt 2005-5-11 4831 Napa Cub Valley, south of Bear Valley. (Coordinates converted from UTM data by label maker.) 664 Comment
  UCD141172  Carex subfusca L. S. Rose 1935-6-4 s.n. Napa Mt. Helena. Comment
  UC1010736  Carex tumulicola Peter H. Raven 1951-6-24 3023 Napa Brown's Valley to Sonoma-Napa Road 91 Comment
  UCD73522  Carex tumulicola Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD161757  Carex tumulicola Jake Ruygt 1997-4-8 3826 Napa Napa Valley: east end of Taplin Road, Heitz Cellars. 103 Comment
  JEPS35587  Castilleja L. R. Heckard 1964-6-11 1367 Napa near Conn Park (along State Hwy 128, at w edge of Lake Hennessey); Lake Hennessey Comment
  SFV8664  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. In partial shade on steep, west facing slope. Comment
  JEPS88824  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-6-23 7833 Napa 1.3 mi sw Highway 121 junction with Wooden Valley Road (on Highway 121) Comment
  UCD164766  Castilleja affinis subsp. affinis Jake Ruygt 2014-5-10 5938 Napa Monticello Road about 0.1 mile north of first corner of Wooden Valley grade. 341 Comment
  JEPS57375  Castilleja applegatei subsp. martinii L. R. Heckard and T. I. Chuang 1968-6-18 1941 Napa 1 mi below Ink Grade junction with Howell Mt. road (Ink Grade, ne of Angwin) 457 Comment
  JEPS3803  Castilleja applegatei subsp. martinii W. L. Jepson 1894-7-19 Napa near Molly Patton's (Toll House) at summit (old grade over Mt. St. Helena); Mt. St. Helena 731 Comment
  JEPS88836  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7835 Napa near summit between Calistoga and Middletown Comment
  RSA523430  Castilleja applegatei subsp. martinii L. R. Heckard 1964-6-11 1368 Napa Just above Hanley's Resort on the grade over SE flank of Mt. St. Helena; along Calif. 29. Comment
  JEPS85047  Castilleja attenuata Larry Heckard and Mary Ashton 1969-5-3 2187 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  JEPS9976  Castilleja attenuata W. L. Jepson 1904-6-3 2436 Napa Howell Mt. Napa Range 792 Comment
  UCD49260  Castilleja attenuata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 207 Comment
  UC194175  Castilleja attenuata C. F. Sonne Apr 1895 Napa Napa Junction Comment
  JEPS9416  Castilleja densiflora subsp. densiflora Willis L. Jepson 1893-5-1 21374 Napa Calistoga Napa River Basin, Upper Napa Valley Comment
  JEPS9409  Castilleja densiflora subsp. densiflora Willis L. Jepson 1893-4-27 21376 Napa Napa City Napa River Basin Comment
  UC673442  Castilleja densiflora subsp. densiflora A. E. Borell 1928-4-13 114 Napa 10 mi s Petaluma 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
  POM182709  Castilleja foliolosa D. D. Keck 1931-4-2 1020 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD122551  Castilleja foliolosa R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD122555  Castilleja foliolosa D. S. Totah 1948-3-18 3 Napa Putah Canyon. Comment
  UCD48226  Castilleja foliolosa C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 16 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  RSA195319  Castilleja foliolosa Gilbert Muth 1967-4-9 607 Napa Between Aetna and Callistoga. 671 Comment
  CAS-BOT-BC241283  Castilleja latifolia Peter H. Raven 1952-5-31 4155 Napa Rector Dam 152 Comment
  JEPS86591  Castilleja minor subsp. spiralis L. R. Heckard with Jake Ruygt 1987-5-10 6659 Napa ca 0.25 mi ne Quarry (ne of Vallejo); American Canyon Ridge Comment
  CDA11180  Castilleja rubicundula G. F. Hrusa 1988-4-16 5549 Napa North Coast Biodiversity Arena; 1 m. E of junction of Chiles Valley and Pope Valley Rds. Comment
  UCD160684  Castilleja rubicundula subsp. lithospermoides Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8756 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  UCD161612  Catalpa Jake Ruygt 2001-9-22 4335 Napa NE corner of Highway 29 at Trancas St. 22 Comment
  UCD149597  Catalpa bignonioides 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
  UCD161780  Caulanthus lasiophyllus Jake Ruygt 1998-5-11 3962 -x Napa Greeg Mountain. 353 Comment
  UC80037  Ceanothus confusus C. C. Parry 1881-1 Napa Calistoga Comment
  CAS-BOT-BC48941  Ceanothus cuneatus John Thomas Howell 1930-7-13 5364 Napa Crater Country Comment
  LA42057  Ceanothus cuneatus Henry Reents; 1936-5-2 sn Napa Mt. St. Helena, E. slope of Mt. St. Helena Comment
  CAS-BOT-BC49785  Ceanothus divergens John Thomas Howell 1941-4-5 16162 Napa Franz Valley Comment
  CAS-BOT-BC64443  Ceanothus divergens Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa Canyon. Comment
  JEPS42261 Image available Ceanothus divergens W. L. Jepson 1897-5-2 14037 Napa Rebecca Ranch Grade, Upper Napa Valley. Near Calistoga, i.e. westerly = Hoods Peak Range Comment
  POM136487  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  RSA26416  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  RSA32476  Ceanothus divergens Milo S. Baker 1939-02 s.n. Napa 1.5 miles west of Napa-Calistoga Hwy at a point 3/4 mile south of Connor Ranch Comment
  RSA339394  Ceanothus divergens Walter Knight, S. Edwards 1985-11-17 5186 Napa Kortum Canyon Road; Vineyards Comment
  UCD63040  Ceanothus divergens Ellen Dean; Stephen Rae 2008-5-21 4980 Napa Hills to the W of Hwy 29 south of the town of Calistoga. Private property accessed by Diamond Mountain Rd. Canyon running east to west and slopes above it. 244 Comment
  SEINET12211205  Ceanothus divergens W. Knight, Schmidt, C. 1987-1 6105 Napa Kortum Canyon Rd. 1-1 1/2 mi from Sharpe Rd Comment
  JEPS42389  Ceanothus foliosus W. L. Jepson 1893-5-1 14019 Napa at divide, Franz Valley grade from Calistoga Comment
  OBI10525  Ceanothus foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 244 Comment
  RSA10638  Ceanothus foliosus Carl B. Wolf 1928-5-4 1852 Napa Upper slopes of Mount St. Helena. Comment
  RSA285633  Ceanothus foliosus D. C. Michener 1982-7-25 4116 Napa 2 miles SW of jct with college way in anguin. Comment
  UC338441  Ceanothus foliosus Lemmon Napa Calistoga Comment
  UC903052  Ceanothus foliosus Ethel Crum 1937-4-19 1779 Napa 6 mi n Napa; Mt. George, Napa Range 304 Comment
  UCD112124  Ceanothus foliosus Beecher Crampton 1962-10-9 6693 Napa 3.5 miles southwest Angwin, Howell Mountain Road. Comment
  CAS-BOT-BC50910  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4619 Napa Petrified Forest Comment
  UCD73460  Ceanothus foliosus var. foliosus Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC63749  Ceanothus incanus Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena. Comment
  UCD112165  Ceanothus incanus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  JEPS110861  Ceanothus integerrimus Jake Ruygt 1994-5-2 3365 Napa Butts Canyon Road, .2 mile north of Snell Valley Road 207 Comment
  UCD170259  Ceanothus integerrimus D. O. Burge 2016-10-22 2183 Napa Hunting Creek Camp, Hunting Creek watershed. 325 Comment
  CAS-BOT-BC50631  Ceanothus jepsonii H. E. McMinn 1922-8-2 298 Napa Upper Pope Valley along old RR bed 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-BC64976  Ceanothus jepsonii D. H. Wilken; E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Cyn Rd, ca 1.5 linear km S of jct with Snell Valley Rd. 315 Comment
  JEPS129028  Ceanothus jepsonii Jake Ruygt 2016-6-6 6277 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  JEPS42332  Ceanothus jepsonii Willis L. Jepson 1920-7-12 9069 Napa near Old Chiles Mill (Chiles Creek hills); Napa Valley Comment
  UCD149666  Ceanothus jepsonii 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
  UCD160572  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, west of Putah Creek. Comment
  RSA195385  Ceanothus jepsonii subsp. albiflorus Gilbert Muth 1967-4-9 600 Napa Aetna Spring Road. 305 Comment
  UCR43101  Ceanothus jepsonii subsp. albiflorus L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  RSA757817  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2008-6-1 DOB 1007 c Napa South of Butts Canyon, approximately 200 m east of Butts Canyon Road via unpaved track that begins 1.1 road miles south of the intersection between Butts Canyon Road and Snell Valley Road., 4.56 km 48 degrees true east-northeast of Aetna Springs. 340 Comment
  UC1278730  Ceanothus jepsonii var. albiflorus G. L. Stebbins Jr. 1948-5-9 3934 Napa W side of Steel Canyon, 8 mi S of Monticello, on road to Napa Comment
  UCD170123  Ceanothus oliganthus var. oliganthus Richard R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  JEPS42216  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-25 14005 Napa w St. Helena (Caux's Knob) Comment
  UC903054  Ceanothus oliganthus var. sorediatus Ethel Crum 1937-4-19 1780 Napa six mi n Napa; Napa Range, Mount George, n of Napa 304 Comment
  CAS-BOT-BC53179  Ceanothus parryi M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC53182  Ceanothus parryi Lester Rowntree 1933-4-17 s.n. Napa Near St. Helena Comment
  UC1071246  Ceanothus parryi A. E. Wieslander 1934-2-24 366 Napa Spring Mountain Calistoga Quadrangle Comment
  UC1299537  Ceanothus parryi Freed W. Hoffman 1947-3-20 941 Napa East side of Napa Range on Trinity Road Comment
  UC18397  Ceanothus parryi Willis L. Jepson 1894-10-14 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC18398  Ceanothus parryi Willis L. Jepson 1893-5-6 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  UC917338  Ceanothus parryi R. L. Smith 1948-5-8 Napa 6 miles north of Aetna Springs, Pope Valley Comment
  POM91088  Ceanothus parryi C. C. Parry 1888-1 s.n. Napa Calistoga. Comment
  CAS-BOT-BC52183  Ceanothus purpureus John Thomas Howell 1931-4-2 6067 Napa Wooden Valley Grade 5 miles East of Napa Comment
  CAS-BOT-BC52187  Ceanothus purpureus H. E. McMinn 1923-5-25 964 g Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 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
  CDA29149  Ceanothus purpureus D. G. Kelch, Daniel Weinstein 2008-10-12 8 .308 Napa Nr Skyline Park. Comment
  JEPS42335  Ceanothus purpureus H. E. McMinn 1923-5-25 964 a Napa Summit Wooden Valley Grade Comment
  SEINET3075748 Image available Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley. Comment
  SJSU14052  Ceanothus purpureus C. L. Schmidt 1987-5-24 1183 Napa Mt George off Monticello Rd CA-121 396 Comment
  UC1281276  Ceanothus purpureus H. E. McMinn 1944-6-8 1385 D Napa Wooden Valley Comment
  UC1347203  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  UC870642  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  UCD123962  Ceanothus purpureus D. O. Burge and K. B. Schroeder 2008-3-7 978 c Napa South of Lake Hennessey, 1.8 road miles (2.9 km) south of SR 128 via unnamed road beginning directly south of the entrance to the Lake Hennessey Boat Launch Facility, 5.17 km 47 deg. (True) ENE of Oakville. 370 Comment
  SEINET5743575 Image available Ceanothus sorediatus Susan J. Kettner 1967-1 s.n. Napa 5 miles W of Monticello Dam on State Hwy 128.; Monticello Dam 134 Comment
  JEPS42407  Ceanothus velutinus W. L. Jepson 1893-9-23 14012 Napa Mt. St. Helena Comment
  UCR25296  Centaurea calcitrapa John C. Roos 1957-6-28 6616 Napa Napa Comment
  SD129755  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley, north slopes of George Mountain. Alon Sarco Creek (?). 152 Comment
  JEPS44142  Centaurea cyanus W. L. Jepson 1936-7-2 17639 Napa Four Corners Napa Range, Howell Mt. Comment
  UCD159905  Centaurea solstitialis Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. G. 59 in disturbed southwest corner. 243 Comment
  CAS-BOT-BC277210  Centaurea solstitialis A. D. E. Elmer 1903-7-1 4943 Napa Napa Comment
  NY444421  Centaurea solstitialis A. D. E. Elmer 07 1903 4943 Napa Napa Comment
  JEPS122700  Centaurea virgata subsp. squarrosa Jake Ruygt with Aigner and Koehler Aug, 2005 4961 Napa Morgan Valley Road just north of road to Harrison Mine. Quad: Jericho Valley. Comment
  JEPS106531  Centaurium muehlenbergii Jake Ruygt 1996-10-19 3795 Napa Vine Village, corner of Congress Valley Rd and Oln Sonoma Rd 45 Comment
  JEPS46953  Centaurium muehlenbergii Willis L. Jepson 1893-6-24 14629 Napa grade to Napa Soda Springs Napa River Basin Comment
  UCD19327  Centaurium tenuiflorum M. A. Bibbo; E. Dean 2001-7-6 19 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  JEPS46939  Centaurium trichanthum W. L. Jepson 1938-9-24 19022 Napa canyon of Limekiln Creek Pope Valley 304 Comment
  SEINET10741264 Image available Centaurium trichanthum Charles C. Parry Parry s.n. Napa Calistoga. Comment
  UC1746024  Centaurium venustum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2771 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC73535  Centaurium venustum Miss M. Alice King Napa St. Helena Comment
  CAS-BOT-BC288605  Centromadia fitchii John Thomas Howell 1930-10-19 5611 Napa 1 mile E of Aetna Springs, Pope Valley Comment
  UCD170276  Centromadia fitchii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 810 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  UCD161620  Centromadia fitchii Jake Ruygt 2004-8-28 4650 Napa east side of Bear Valley. 670 Comment
  JEPS12603  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  CAS-BOT-BC279256  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  CAS-BOT-BC279257  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  JEPS112623  Centunculus minimus Jake Ruygt 1986-5-24 1782 Napa Pope Canyon Rd. at large vernal pool 187 Comment
  CAS-BOT-BC222943  Cephalanthus occidentalis Peter H. Raven 1952-6-28 4212 Napa Pope Cr. below Samuel's [Samuels] Springs 123 Comment
  HSC4108  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  RSA801719  Cercis occidentalis Keith E. Hoffmaster 1939-4-6 896 Napa Putah can. Comment
  SEINET6331974  Cercocarpus betuloides R. R. Halse 2013-3-27 8754 Napa Along State Hwy. 128 about 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  UCD149663  Chaenactis glabriuscula var. heterocarpha Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  CAS-BOT-BC284569  Chaenactis glabriuscula var. heterocarpha David D. Keck 1933-5-29 2348 Napa Pope Creek Bridge south of Walters Springs, Pope Creek Canyon Comment
  POM54141  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville. Comment
  JEPS106427  Chamaesyce ocellata subsp. ocellata Jake Ruygt 1987-7-11 2065 Napa Tubbs Lane at Myrtledale Rd., Calistoga 118 Comment
  JEPS106428  Chamaesyce ocellata subsp. ocellata Jake Ruygt 1984-7-21 1578 Napa Tubbs Lane at Myrtledale Rd., Calistoga 118 Comment
  CDA34658  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 -A 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
  JEPS106426  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1991-6-29 2761 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 115 Comment
  UC1537004  Chamaesyce serpyllifolia Gordon H. True 1937-7-30 826 Napa near Aetna Springs 365 Comment
  UC52335  Chamaesyce serpyllifolia W. L. Jepson 1894-10-1 13932 Napa near Napa (State Hospital) Comment
  JEPS103980  Cheilanthes covillei Jake Ruygt 1998-4-18 3924 b Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  JEPS103992  Cheilanthes gracillima Jake Ruygt 1988-4-17 2154 Napa Mt. St. Helena below SW peak; upper portion of canyon 1103 Comment
  JEPS106819  Chenopodium ambrosioides Jake Ruygt 1991-8-24 2835 Napa Napa River at Bale Lane 80 Comment
  JEPS59712  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa Napa River Comment
  JEPS115770  Chenopodium ambrosioides var. ambrosioides Lowell Ahart 2009-10-12 16436 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS106821  Chenopodium botrys Jake Ruygt 1981-5-21 1035 Napa Putah Creek just north of Berryessa Estates 134 Comment
  JEPS106722  Chenopodium californicum Jake Ruygt 1980-3-2 816 Napa Snell Valley 176 Comment
  UCD161538  Chenopodium macrospermum Jake Ruygt 1991-9-23 2844 Napa Napa River, north of Slaughterhouse Point. 1 Comment
  CDA34152  Chenopodium pumilio L. Ahart, J. Dittes, J Guardino 2009-10-27 16484 Napa Lake Berryessa: about 100 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  UCD148778  Chenopodium vulvaria Jake Ruygt 2005-10-8 4953 Napa Napa County; Long Canyon at Berryessa Knoxville Rd. 310 Comment
  JEPS126071  Chimaphila menziesii Jake Ruygt 1987-7-11 2068 Napa Between Rattlesnake Springs and Livermore Road. Detert Reservoir 7.5' Quad. Comment
  UCD48267  Chlorogalum pomeridianum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 14 Napa Northen Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  UCD68010  Chlorogalum pomeridianum P. J. Plummer 1995-6-5 s.n. Napa Napa County Highway 128. 73 Comment
  UC13725  Chlorogalum pomeridianum var. pomeridianum Willis L. Jepson July 1884 Napa Little Oak Comment
  JEPS50853  Chlorogalum pomeridianum var. pomeridianum H-M. Beard, W. Roderick Jun 21 1966-Jul 14 1967 60 .1332 Napa Comment
  UCD14302  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yeards inside gate, next to road; Comment
  UCD149672  Chorizanthe membranacea Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS59306  Cirsium cymosum var. cymosum W. L. Jepson 1938-6-8 18885 Napa w of Pope Valley; South Fork of Butts Creek Comment
  CDA1208  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CDA1212  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  CAS-BOT-BC286571  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7426 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC286575  Cirsium occidentale var. venustum John Thomas Howell 1930-7-13 5343 Napa 5 miles below the old Toll House, Mt. St. Helena Comment
  UC469085  Cirsium remotifolium var. odontolepis H. P. Chandler 1907-5-30 7601 Napa St. Helena White Sulphur Spr., St. Helena Comment
  UCD143081  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
  UC1299420  Clarkia amoena Freed W. Hoffman 1947-6-18 1649 Napa Pope Valley road North Coast Ranges Comment
  CAS-BOT-BC163512  Clarkia amoena subsp. huntiana James L. Reveal 1987-6-7 6406 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 243 Comment
  CAS-BOT-BC172181  Clarkia concinna John Thomas Howell 1929-5-30 4279 Napa Between Chiles and Pope Valleys, Napa Range Comment
  OBI48652  Clarkia concinna Joseph Andorfer Ewan 1934-4-30 8858 Napa 4 mi above Samuel Springs, Rays Valley Grade Comment
  UC527846  Clarkia concinna subsp. concinna R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6674 Napa 10 mi n Howell Mountain; Butt's Canyon Comment
  UCD104449  Clarkia concinna subsp. concinna L. P. Thibault 1995-5-19 39 Napa Along Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD104555  Clarkia gracilis M. Wiesendanger 1927-5-4 681 Napa Near Monticello. Comment
  JEPS43544  Clarkia gracilis subsp. albicaulis Willis L. Jepson 1897-7-12 14360 Napa Pope Valley to Middleton; Butts Canyon Comment
  JEPS43732  Clarkia gracilis subsp. albicaulis W. L. Jepson 1938-6-8 18888 Napa n Pope Valley (Butts Canyon); South Fork of Butts Creek Comment
  CAS-BOT-BC164629  Clarkia gracilis subsp. gracilis Peter H. Raven 1952-5-26 4041 Napa St. Helena to Howell Mt. 304 Comment
  UCD48061  Clarkia gracilis subsp. gracilis J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 17 Napa McLaughlin Reserve, near Yolo County line. 670 Comment
  CAS-BOT-BC162481  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5-22 s.n. Napa Mountain slopes from Calistoga, to the Toll House Comment
  JEPS120335  Clarkia gracilis subsp. sonomensis Jake Ruygt 2005-5-16 4849 Napa Old Toll Road, Jericho Canyon. Detert Reservoir 7.5' Quad. Comment
  JEPS43654  Clarkia gracilis subsp. sonomensis W. L. Jepson 1904-5-28 2429 Napa St. Helena York Creek Comment
  POM38631  Clarkia gracilis subsp. sonomensis Katherine Brandegee 1910-5-22 120 Napa Mountain slopes from Calistoga, to the Toll House Comment
  JEPS85844  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  UC1586100  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  RSA0060036  Clarkia gracilis subsp. tracyi Barbara Ertter, Annetta Carter 1989-5-28 8517 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  JEPS110732  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1998-6-24 4052 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  JEPS43562  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1904-6-3 2431 Napa St. Helena to Howell Mt. Comment
  UCD20729  Clarkia purpurea subsp. quadrivulnera Ellen Dean; w/ Mark Bibbo 2002-6-17 1093 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  CAS-BOT-BC163692  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Mt. St. Helena Comment
  JEPS43573  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1894-5-1 14344 Napa St, Helena Comment
  RSA92804  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills west of Oakville 122 Comment
  CAS-BOT-BC164774  Clarkia rhomboidea Peter H. Raven 1951-6-10 2907 Napa E. of Toll House, Mt. St. Helena 792 Comment
  JEPS43712  Clarkia rhomboidea Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  JEPS110691  Clarkia unguiculata Jake Ruygt 1989-5-7 2302 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UC1198512  Clarkia unguiculata J. P. Tracy 1899-6-26 357 1/2 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 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
  HSC17756  Claytonia exigua subsp. exigua C. B. Wolf 1928-2-25 1495 Napa Mt. St. Helena Grade, 5 mi. N of Calistoga Comment
  RSA464603  Claytonia exigua subsp. exigua H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  CAS-BOT-BC439378  Claytonia gypsophiloides Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  POM161337  Claytonia gypsophiloides Rimo C. Bacigalupi 1926-3-28 1269 Napa Patton s Toll House along old road. Comment
  POM164077  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena. Comment
  JEPS112613  Claytonia parviflora subsp. parviflora Jake Ruygt 1997-3-18 3805 Napa Greenfield Road 213 Comment
  JEPS77943  Claytonia parviflora subsp. parviflora Edward Lee 1936-3-15 1802 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD100700  Claytonia parviflora subsp. parviflora G. L. Webster 1967-3-23 7497 Napa c. 1 mi S of Spanish Flat. 167 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
  UCD100748  Claytonia perfoliata M. Ramos 1996-4-20 6 Napa city of Calistoga, along side of road next to dried river bed. 137 Comment
  CAS-BOT-BC440045  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1918-5-1 s.n. Napa Mt. St. Helena Comment
  UCD117482  Claytonia perfoliata subsp. perfoliata Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UCD168555  Claytonia perfoliata subsp. perfoliata 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
  UCD49148  Claytonia perfoliata subsp. perfoliata C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  CAS-BOT-BC91451  Clematis lasiantha Gilbert Muth 1967-4-9 612 Napa Aetna Springs Road. 304 Comment
  UCD20832  Clematis lasiantha C. Kremen; N. Nicola 2001-3-30 48 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, along Hwy. 128, aprox. 0.5 mi. west of Montecello Dam via road. Lat/long is estimate. Comment
  CAS-BOT-BC92682  Clematis ligusticifolia H. E. McMinn 296 Napa Upper Pope Canyon about 6 miles north of Aetna Springs on road to Middleton. Comment
  UC917146  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11 1/2 mi. from Winters (on rd. to Monticello) 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
  UCD123619  Collinsia heterophylla M. R. Wanzer 1948-5-22 26 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  CAS-BOT-BC474519  Collinsia sparsiflora G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12029 Napa Quail Ridge Reserve, at entrance gate 290 Comment
  UCD123653  Collinsia sparsiflora G. F. Hrusa; S. Larson 1995-4-10 12064 Napa along Chiles Valley/Pope Valley Road approximately 2 meters south of Pope Canyon Road intersection. North Coast Biodiversity Arena. 175 Comment
  UCD36168  Collinsia sparsiflora Beecher Crampton 1952-3-24 1024 Napa 3 miles south of Monticello, along state Highway 128. Comment
  HSC58982  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 1020 Napa Near Bell Canyon 427 Comment
  JEPS6322  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-26 21334 Napa Yountville, La Lomita Yountville; Napa River Basin Comment
  UC903162  Collinsia sparsiflora var. arvensis Ethel Crum 1937-4-19 1778 Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  JEPS15592  Collinsia sparsiflora var. arvensis Rimo Bacigalupi with John Dawson 1955-4-25 4844 Napa 0.75 mi w, below Lake Hennessey Dam (along Conn Creek rd) 79 Comment
  POM182734  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 1051 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UCD123679  Collinsia sparsiflora var. sparsiflora G. E. Johnston 1974-4-4 6118 Napa Bell Canyon, quadrangle near Angwin. 426 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
  CAS-BOT-BC229539  Collomia diversifolia Elsie Zeile Lovegrove 1946-4-28 s.n. Napa Along road to Mount St. Helena 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
  UC103417  Cordylanthus pilosus subsp. pilosus Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  UC217601  Cordylanthus pilosus subsp. pilosus Katharine Brandegee Napa near Aetna; Pope Valley Comment
  JEPS69350  Cordylanthus pringlei T. I. Chuang 1972-7-8 7062 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  JEPS7009  Cordylanthus pringlei W. L. Jepson 1930-10-19 15701 Napa Butts Canyon Comment
  UC762583  Cordylanthus pringlei R. F. Hoover 1941-8-24 5574 Napa e side of Mt. St. Helena Comment
  CAS-BOT-BC238228  Cordylanthus tenuis subsp. brunneus Alice Eastwood 1918-9-3 7952 Napa Mt. St. Helena Comment
  RSA397705  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon. Comment
  UCD47955  Cornus glabrata Ryan Knox; E. McDermott and G. Walden 2002-4-13 1 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, from Knoxville Creek's bank. 131 Comment
  JEPS50159  Cornus nuttallii W. L. Jepson 1924-4-27 10385 a Napa Mt. St. Helena Comment
  RSA52657  Cornus nuttallii I. L. Wiggins 1949-4-30 12090 Napa Along draw on NE flank of Mount St. Helena. 915 Comment
  CAS-BOT-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  UCD18049  Crassula connata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 601 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
  UCD118566  Crassula tillaea Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  UCD144651  Crocanthemum scoparium 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
  UCD161216  Crocanthemum scoparium Jake Ruygt 1989-7-1 2393 Napa Mt. Vaca. 755 Comment
  RSA758274  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  UCD59945  Crypsis schoenoides Beecher Crampton 1962-9-11 6673 Napa Wragg Canyon Resort, Lake Berryessa. Comment
  CHSC99886  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD32575  Cryptantha dissita Beecher Crampton 1954-5-20 1929 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD161331  Cryptantha flaccida Jake Ruygt 1987-4-18 977 c Napa Harris Canyon. (Coordinates estimated by label maker at UC Davis). Comment
  UC912356  Cryptantha flaccida Herbert L. Mason 1934-4-30 8105 Napa 5 mi s Monticello (tributary of Putah Creek); Putah Creek Comment
  UC1731385  Cryptantha hispidula Dean W. Taylor 1998-6-18 16668 Napa small side canyon 0.5 mi above (n) mouth of Pope Valley; North Coast Ranges, Butts Canyon 289 Comment
  UCD161363  Cryptantha intermedia Jake Ruygt 1988-5-29 2202 Napa Napa County : South end of Adams Ridge, east of Mysterious Valley. (Coordinates estimated by label maker at UC Davis). 518 Comment
  RSA74040  Cryptantha intermedia Milo S. Baker 1947-7-7 11848 Napa Near end of wood road leading S from Mt. St. Helena Inn. 915 Comment
  JEPS106740  Cryptantha microstachys Jake Ruygt 1995-4-29 3452 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  UCD161233  Cryptantha microstachys Jake Ruygt 2002-4-1 4378 Napa Napa County : Blue Ridge north of Mays; flat. (Coordinates estimated by label maker at UC Davis). 487 Comment
  JEPS106880  Cryptantha torreyana Jake Ruygt 1998-6-20 4044 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  JEPS39738  Cupressus macnabiana W. L. Jepson 1943-5-15 20784 Napa Knoxville Ridge 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
  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
  RSA85822  Cupressus sargentii F. W. Peirson, Mabel Peirson 1926-4-3 6623 Napa Northern edge of Napa County on Middletown Road Comment
  UCD133650  Cupressus sargentii Edward L. Smith 1967-5-7 s.n. Napa Butts Creek, below small reservoir at upper (northwest) end of canyon where road from Pope Valley enters, Butts Canyon, 6.9 miles northwest of Pope Valley. 213 Comment
  NY16831  Cupressus sargentii C. B. Wolf 1934-10-16 6193 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD160762  Cuscuta Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8632 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  CAS-BOT-BC224538  Cuscuta californica John Thomas Howell 1930-7-13 5370 Napa Near Myrtledale Hotsprings [Hot Springs], upper Napa Valley Comment
  JEPS47095  Cuscuta indecora W. L. Jepson 1930-10-19 15703 Napa Butts Canyon Comment
  UCD167098  Cuscuta subinclusa Jake Ruygt 2015-6-13 6130 Napa Fernandes - Snell Peak, Land Trust. 360 Comment
  JEPS47144  Cuscuta subinclusa W. L. Jepson Oct 12 1894-Oct 13 1894 70 a Napa St. Helena Napa Valley Comment
  RSA195286  Cynoglossum grande Gilbert Muth 1967-4-19 603 Napa Aetna Springs Road. 305 Comment
  CHSC33995  Cynosurus echinatus J. D. Prouty 1980-4-12 861 Napa Roadbank of Hwy 29 ca. 4.5 mi sw of summit at R.L. Stevenson State Park. 243 Comment
Read comments
Mar 30 2009
  CAS-BOT-BC114682  Cyperus eragrostis Elsa G. Ruckert 1960-5-22 158 Napa 6495 Dry Creek Road. Pond 300 yds SW of house. 365 Comment
  UC1563948  Cyperus eragrostis Barbara Ertter with Elizabeth Neese 1988-10-2 7956 Napa ca. 15 airmiles n.-n.w. Napa (Lake Hennessey, on Conn Creek, below spillway on n. side of Rte. 128); North Coast Ranges, Conn Creek 91 Comment
  UCD73511  Cyperus eragrostis Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC114680  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  UC204265  Cyperus eragrostis A. D. E. Elmer July, 1903 4656 Napa Napa Comment
  CHSC102535  Cyperus erythrorhizos Lowell Ahart 2009-10-27 16496 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
  CHSC107296  Cyperus erythrorhizos M. K. Byers; F. Favela, J. McDonnell 2009-8-29 218 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). Comment
  JEPS115959  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  RSA755364  Cyperus erythrorhizos L. Ahart 2009-10-12 16458 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  SEINET3909600  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges.; 0 91 Comment
  UCR146402  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  JEPS121342  Cyperus erythrorhizos Jake Ruygt 1986-8-23 1904 Napa Conn Creek, west of spillway of lake. Comment
  JEPS103975  Cystopteris fragilis Jake Ruygt 1990-3-10 2443 Napa White Sulphur Springs Rd. 192 Comment
  CAS-BOT-BC70646  Cystopteris fragilis Evelina Cannon 1901-7-15 s.n. Napa Johannisberg, Mt. Veeder Comment
  RSA10647  Cystopteris fragilis C. B. Wolf 1928-5-3 1842 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS110931  Damasonium californicum Jake Ruygt 1982-6-13 1321 Napa Pope Canyon Rd. , (vernal pond) 185 Comment
  JEPS60582  Delphinium decorum Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga Napa River Basin (near summit) Comment
  CAS-BOT-BC10198  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mtn., 10 miles west of St. Helena 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
  RSA0005311  Delphinium hesperium Joseph A. Ewan 1934-4-30 8835 Napa Ditch at edge of cultivated field along Steel Canyon Road, 1/2 mi. from junction with Monticello-Winters Road. 1 Comment
  JEPS110986  Delphinium hesperium subsp. pallescens Jake Ruygt 1978-5-21 329 Napa 4.5 miles north of Sage Canyon Rd. on Chiles and Pope V. Rd 259 Comment
  JEPS110987  Delphinium hesperium subsp. pallescens Jake Ruygt 1992-5-2 2924 b Napa Snell Valley 195 Comment
  UCD74352  Delphinium hesperium subsp. pallescens G. Ledyard Stebbins 1967-5-30 6523 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC906503  Delphinium hesperium subsp. pallescens J. Ewan 1934-4-30 8835 Napa 0.5 mi from jct Steel Canyon Rd and Monticello-Wingers Rd (along Steel Canyon Rd); ; Napa Co. Comment
  UCD16027  Delphinium hesperium subsp. pallescens N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 15 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 4.5-6 dm tall, flowers pinkish to purplish. Comment
  CAS-BOT-BC9813  Delphinium nudicaule John Thomas Howell 1931-4-2 6080 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  HSC58984  Delphinium nudicaule George E. Johnston 1974-4-4 1026 Napa Near Bell Canyon 427 Comment
  UC608257  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  UCD170216  Delphinium nudicaule Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 741 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 330 Comment
  RSA52660  Delphinium nudicaule I. L. Wiggins 1949-4-30 12079 Napa 2.5 miles above Calistoga along old toll road to Middletown Comment
  RSA10682  Delphinium patens Carl B. Wolf 1928-5-3 1805 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC635346  Delphinium patens H. L. Mason 1928-4-13 4330 Napa hills between Santa Rosa and Calistoga Comment
  CAS-BOT-BC116492  Delphinium patens subsp. patens D. D. Keck 1931-4-2 1047 Napa 4 miles S. of Monticello, eastern Napa County. Comment
  RSA304849  Delphinium patens subsp. patens James R. Shevock 1971-4-8 922 Napa Hwy 29, near county line. 549 Comment
  RSA400120  Delphinium uliginosum Robert Gustafson, Don Reynolds 1983-6-7 2735 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UCD14290  Delphinium uliginosum S. Boshoven 1983-5-29 26 Napa Napa Co.; Berryessa-Knoxville Road, 6 miles northwest of Knoxville; 365 Comment
  UCD169783  Delphinium uliginosum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 791 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 451 Comment
  SEINET3824804 Image available Delphinium uliginosum Unknown 1982-6-1 s.n. Napa 9.9 miles south of Middletown Lake or Napa county Comment
  SEINET5718464 Image available Delphinium uliginosum James W. Katberg 1966-1 45 Napa Cedar Valley, south of Knoxville.; Cedar Valley Comment
  SEINET7041066  Delphinium uliginosum Christopher T. Ivey 2002-5-17 357 Napa West side of Chiles-Pope Valley Road, 4.2 miles south of Pope Canyon Road. Comment
  UC1031438  Delphinium variegatum H. Lewis and G. Mehlquist 1941-5-9 Napa 16.2 mi n Monticello Comment
  UCD96665  Delphinium variegatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCD96742  Delphinium variegatum R. L. Smith 1948-5-8 s.n. Napa Near Edmunds Springs, east branch of Monticello Valley. Comment
  JEPS23363  Delphinium variegatum subsp. apiculatum W. L. Jepson 1893-4-26 Napa hills near Yountville; Napa Valley Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  JEPS110778  Dendromecon rigida Jake Ruygt 1987-5-16 1991 Napa Bismark Knob 606 Comment
  UC112888  Dendromecon rigida Katharine Brandegee 1889-4 Napa a few hundred feet above Toll House; Mt. St. Helena Comment
  CAS-BOT-BC658  Dendromecon rigida subsp. rigida L. R. Abrams 1928-5-4 12274 Napa Mt. St. Helena trail. Comment
  JEPS122974  Deschampsia cespitosa subsp. cespitosa Jake Ruygt 2002-5-18 4423 Napa Missimer/Snell Valley Wildflower Preserve. Quad: Aetna Springs. Comment
  UC65168  Deschampsia danthonioides W. L. Jepson 1896-6-2 Napa near St. Helena St. Helena; Napa Valley Comment
  CAS-BOT-BC201723  Deschampsia elongata Betty H. Johnson 1958-6-20 655 Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  JEPS122986  Deschampsia elongata Jake Ruygt 1992-5-6 2952 Napa Mitten Lake, Wild Horse Valley Ranch. Quad: Mount George. 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-BC254473  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1943-6-20 18240 Napa SW of St. Helena Comment
  JEPS64159  Dichelostemma capitatum Willis L. Jepson 1893-5-2 20968 Napa e from Calistoga (on New Pope Valley grade); Napa Range, New Pope Valley Grade Comment
  SFV8407  Dichelostemma capitatum L. Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road. 183 Comment
  UCD20681  Dichelostemma capitatum L. P. Thibault 1995-6-2 57 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  UCD48778  Dichelostemma capitatum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 27 Napa Quail Ridge Reserve, along Decker Ridge Rd., N of jct with South Decker Canyon Road. 335 Comment
  JEPS64147  Dichelostemma capitatum W. L. Jepson 1938-5-18 18799 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  UCD14208  Dichelostemma capitatum Jim McKenna 1974-4-28 45 Napa 2 mi. south-east of Calistoga along the Silverado Trail, 2 mi. east on Dutch Henry Road. 487 Comment
  UCD139436  Dichelostemma capitatum subsp. capitatum M. R. Wanzer 1948-4-3 4 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  UCD148738  Dichelostemma congestum Jake Ruygt 2005-6-7 4908 c Napa Napa County; ridge top west of Circle Oaks. 588 Comment
  SJSU10162  Dichelostemma multiflorum J. F. Yoshimoto 1961-5-6 Napa Napa Valley Comment
  CDA10862  Dichelostemma volubile G. F. Hrusa, M. Rejmanek 1993-5-15 10957 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD48788  Dichelostemma volubile Kook-Hyun Chung; J. Deusterman, C. Ineich, and M. Hauselt 2001-4-28 13 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. 224 Comment
  CAS-BOT-BC153781  Diplacus angustatus J. P. Tracy 1902-5-18 1536 Napa La Jota Plateau, Howell Mountain; Head of Moore's Creek 3-4 miles East of Angwin's 518 Comment
  CAS-BOT-BC151878  Diplacus congdonii John Thomas Howell 1931-4-2 6071 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CHSC25142  Diplacus grandiflorus J. E. Beitler 1970-4-19 30 Napa St. Helena. Directly opposite dam of Upper Spring Mountain reservoir on E. side of Spring Mountain Road. Comment
  CAS-BOT-BC153279  Diplacus kelloggii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  SEINET183712  Diplacus kelloggii L. Constance 1938-1 2044 Napa Steel Cyn near Capell Valley, 8 mi S of Monticello, Napa Range, N Coast Ranges 305 Comment
  CAS-BOT-BC153411  Diplacus layneae Alice Eastwood 1915-6-6 4674 Napa Mt. St. Helena Comment
  SD241953  Diplacus layneae Dean Wm. Taylor, Mey Akasah 1999-6-3 17224 Napa Ridge dividing Eticeura Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road (Knoxville 532D 7.5'Q) Recently dozed jeep road along ridgeline. 594 Comment
  UC126466  Dipsacus fullonum Harley P. Chandler Sept. 7 to 14, 1906 7130 Napa Alta Loma Ranch Howell Mountain Comment
  CDA6691  Dipsacus fullonum Margaret Bellue 1933-5-8 Napa 0 Comment
  JEPS61822  Disporum hookeri Willis L. Jepson 1893-4-25 Napa w of St. Helena (Napa River Basin, Trail to Caux's Cabin); Napa River Basin, Trail to Caux's Cabin Comment
  JEPS61821  Disporum hookeri Willis L. Jepson 1893-5-1 Napa near Calistoga (Napa River Basin, Frary Valley Grade); Napa River Basin, Frary Valley Grade Comment
  JEPS122987  Distichlis spicata Jake Ruygt 1991-6-28 2733 Napa DFG property; Huichica Creek, Buchli Station. Quad: Cuttings Wharf. Comment
  UCD92896  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  JEPS112625  Dodecatheon hendersonii Jake Ruygt 1988-3-26 2128 Napa Toll Canyon 243 Comment
  JEPS9503  Dodecatheon hendersonii Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UC22378  Dodecatheon hendersonii W. L. Jepson 1896-2-22 Napa Howell Mt. Comment
  UCD118964  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa Along trail running along southwest side of Lake Berryessa, 100m from Knoxville Rd. 250 Comment
  RSA733815  Dodecatheon hendersonii Keith E. Hoffmaster 1946-3-9 1220 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD15061  Dodecatheon hendersonii Joe Smilanick 1977-4-16 8 Napa Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  UCD15063  Dodecatheon hendersonii Julie Knorr 1977-4-16 6 Napa California, Napa Co.; along Highway 128, 6.4 miles west of Monticello Dam; Comment
  UCD15067  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam, on the left side of the road while travelling southwest; 213 Comment
  UCD75838  Downingia bicornuta var. bicornuta Jake Ruygt 1983-5-29 1463 Napa 1.7 miles west of Walter Springs bridge on Pope Canyon Rd. 185 Comment
  UC1746013  Downingia concolor var. concolor Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2776 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  JEPS14488  Downingia cuspidata W. L. Jepson 1938-5-25 18872 Napa 3 mi s Yount School (e side of Napa Valley); Napa Valley Comment
  JEPS106569  Downingia pusilla Jake Ruygt 1990-4-9 2469 Napa Milliken Reservoir, Napa City Watershed 356 Comment
  JEPS29133  Downingia pusilla John H. Weiler 1960-4-22 60103 Napa 2.1 mi s Napa State Hospital entrance (at the side of State Highway 29) Comment
  POM59145  Downingia pusilla A. A. Heller, H. E. Brown 1902-4-25 s.n. Napa Near Napa Comment
  UCD48303  Dryopteris arguta Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. at junction with Decker Bay trail. 152 Comment
  CAS-BOT-BC70945  Dryopteris arguta Peter H. Raven 1954-1-22 6381 Napa Sulphur Springs Resort, west of St. Helena 121 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
  CAS-BOT-BC428110  Dudleya cymosa subsp. cymosa Peter H. Raven 1951-5-6 2828 Napa Burn below Conn Dam 274 Comment
  HSC4375  Dysphania anthelmintica H. S. Reed 1948-11-6 2029 Napa Berryessa Valley, 2 mi. N of Monticello. 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
  JEPS115684  Eclipta prostrata Lowell Ahart 2009-10-27 16478 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  UCD73492  Eleocharis palustris Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  RSA125599  Eleocharis rostellata Peter H. Raven 1957-5-5 17053 Napa Calistoga 91 Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa Comment
  CAS-BOT-BC203598  Elymus glaucus subsp. glaucus Peter H. Raven 1957-5-5 10761 Napa Hills at western edge of Calistoga 152 Comment
  UC766741  Elymus glaucus subsp. jepsonii R. F. Hoover 1941-5-10 5011 Napa between St. Helena and Calistoga Comment
  JEPS110831  Emmenanthe penduliflora Jake Ruygt 1989-5-9 2306 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  UCD119205  Emmenanthe penduliflora K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  UCD166680  Emmenanthe penduliflora var. penduliflora Jake Ruygt 1996-6-1 3730 Napa Hwy 128 about 3/4 mile north of Turtle Rock Cafe. 259 Comment
  JEPS110700  Epilobium campestre Jake Ruygt 1996-6-23 3753 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  CAS-BOT-BC166343  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi. west of Monticello on road to [Lowerlake] Lower Lake Comment
  RSA505681  Epilobium canum subsp. canum Gordon H. True Jr. 1937-10-12 844 Napa Road cut on road from Napa to Lokoya Lodge 305 Comment
  UC221399  Epilobium canum subsp. canum H. M. Hall 1923-10-15 11951 Napa near Calistoga (n of town) Comment
  UCD19917  Epilobium canum subsp. canum E. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 773 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  CAS-BOT-BC171955  Epilobium canum subsp. latifolium Philip A. Munz 1947-10-10 12215 Napa 11 miles east of Rutherford on road to Winters, Inner Coast Ranges Comment
  UCD67613  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-10 s.n. Napa Lake Berryessa. Near Monticello Dam. 180 Comment
  CHSC102278  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2009-10-12 16446 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SEINET7072772 Image available Epilobium minutum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD167253  Epilobium minutum Jake Ruygt 1983-4-17 1433 Napa Red Hill, Mt. St. Helena. 655 Comment
  UCD138944  Epipactis gigantea Barbara Rice 1965-5-15 71 Napa Zim-Zim Creek, 3 miles southeast of Devilshead Road. 365 Comment
  UCD138947  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach. Comment
  JEPS116560  Equisetum laevigatum Jake Ruygt 1996-4-22 3621 Napa Sheehy Creek at Executive Court. Cuttings Wharf 7.5' Quad. Comment
  UCD135577  Equisetum telmateia subsp. braunii Beecher Crampton 1961-6-12 5906 Napa Ca. 9 miles northeast Napa, junction State Hwy. 37 and road to Fairfield. Comment
  CDA29728  Eragrostis cilianensis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 212 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  UC126554  Erigeron biolettii Harley P. Chandler Sep 7 1906-Sep 14 1906 7134 Napa Alta Loma Ranch 487 Comment
  JEPS106945  Erigeron foliosus var. franciscensis Jake Ruygt 1992-6-24 3052 Napa Tuteur Ranch, end of Green Valley Rd. 304 Comment
  UCD63174  Erigeron foliosus var. franciscensis Jake Ruygt 1996-6-23 3755 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 438 Comment
  JEPS106943  Erigeron greenei Jake Ruygt 1981-7-15 1064 Napa Redwood Rd., 1.5 miles north of Browns Valley Rd 152 Comment
  UCD160747  Erigeron reductus var. angustatus Ellen Dean 2015-5-23 8799 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 243 Comment
  UCD63172  Erigeron reductus var. angustatus Jake Ruygt 2007-7-1 5247 Napa West of Hwy 29, near Lake County line. 464 Comment
  RSA201835  Eriodictyon californicum Stephen Willeford 1964-5-1 4 Napa East side of State Highway 128, 3 miles southwest of Monticello Dam. 183 Comment
  RSA602572  Eriodictyon californicum Louis C. Wheeler 1952-8-30 6878 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCD118350  Eriodictyon californicum Reed Crane; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 403 Comment
  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
  UCD16012  Eriodictyon californicum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 9 Napa McLaughlin Reserve, McLaughlin Reserve, found southeast of junction at Devilhead and Hunting Creek Roads. 38 deg. 49' 15'' N, 122 deg. 21' 13'' W; 530 m. Comment
  UCD170666  Eriodictyon californicum 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD48050  Eriodictyon californicum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 15 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 533 Comment
  CAS-BOT-BC242608  Eriogonum dasyanthemum Peter H. Raven 1951-6-26 3080 Napa Cappell [Capell] Valley 365 Comment
  POM209422  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  CAS-BOT-BC266056  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266057  Eriogonum luteolum Peter H. Raven 1951-10-28 3929 Napa Conn Valley 152 Comment
  CAS-BOT-BC266069  Eriogonum luteolum Peter H. Raven 1951-6-26 3060 Napa Wooden Valley Grade 304 Comment
  UCD149671  Eriogonum luteolum 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
  JEPS110762  Eriogonum luteolum var. luteolum Jake Ruygt 1979-5-24 634 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  UC535081  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  UC6530  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UC912829  Eriogonum luteolum var. luteolum Lewis S. Rose 1939-8-20 39357 Napa 6 mi e Rutherford; Chiles Creek Canyon 213 Comment
  UCD18119  Eriogonum luteolum var. luteolum K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 56 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  UCD73451  Eriogonum luteolum var. luteolum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS56166  Eriogonum luteolum var. luteolum W. L. Jepson October, 1894 Napa Napa Co. 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
  UCR43200  Eriogonum nudum var. nudum L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-BC269715  Eriogonum nudum var. oblongifolium John Thomas Howell 1929-8-4 4357 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  UCD164789  Eriogonum nudum var. oblongifolium Jake Ruygt 1981-5-27 1049 Napa American Canyon, .4 mile east of Flosden Road. 152 Comment
  SBBG64259  Eriogonum roseum J. T. Howell 1930-10-19 5604 Napa Conn Crk near entrance of Sage Cyn, Napa Valley Comment
  SEINET11934232  Eriogonum tripodum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -301 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  JEPS120314  Eriogonum umbellatum var. smallianum Jake Ruygt 1998-7-11 4083 Napa Blue Ridge, about 1.5 miles north of Mays Flat. Knoxville 7.5' Quad. Comment
  SEINET3814250 Image available Eriogonum vimineum var. californicum Lewis S. Rose 1939-8-20 39357 Napa Chiles Creek Canoyn, 6 miles east of Rutherford. 213 Comment
  JEPS106951  Eriophyllum confertiflorum Jake Ruygt 1991-6-1 2711 Napa Mt. St. John, fire trail 502 Comment
  UCD132167  Eriophyllum lanatum J. D. Clark 1995-5-27 10 Napa collected on trail between 1/4 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State park parking lot. 548 Comment
  UCD160736  Eriophyllum lanatum Ellen Dean 2015-5-23 8788 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  UCR43103  Eriophyllum lanatum L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  SEINET9291828  Eriophyllum lanatum Unknown 1984-4-28 7 Napa State. Rd 29, about 5 miles NM of Calistoga. Along roadside. Foothill woodland, Quercus sp. and Umbellelaria californica dominants. Perennial herb. 1-8 dm tall. flowers yellow. Rocky, greavelly soil of baaltic parent material UC Davis Herbarium Comment
  CAS-BOT-BC301053  Eriophyllum lanatum var. achilleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6679 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  UC1301026  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1963-3-17 5206 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC177004  Eriophyllum lanatum var. achilleoides Katharine Brandegee 1909-6-1 Napa Calistoga Comment
  HSC42203  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mi. NE of Calistoga along Hwy. 29 Comment
  JEPS34607  Eriophyllum lanatum var. achilleoides Willis L. Jepson 1894-5-1 14565 Napa hills e of St. Helena; Napa River Basin Comment
  UC468950  Eriophyllum lanatum var. achilleoides H. P. Chandler 1907-5-26 7589 Napa White Sulphur Spring St. Helena, White Sulphur Spring Comment
Read comments
2
  UC507185  Eriophyllum lanatum var. achilleoides Lincoln Constance 1931-3-21 138 Napa rock slide on Mount St. Helena Comment
  UC642443  Eriophyllum lanatum var. achilleoides Joseph Andorfer Ewan 1934-4-30 8814 Napa 4 mi above Napa; Sarco Creek Comment
  UC917216  Erodium cicutarium H. Popenoe 1949-4-17 4 Napa 13 mi w Winters; Putah Canyon Comment
  UCD16045  Erodium cicutarium R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 28 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown clay, moist soil, near river, flat ground, sunny. Herb, 8-13 cm tall, flowers lavender. Comment
  UCD49060  Erodium cicutarium S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  RSA161146  Eruca vesicaria subsp. sativa P. H. Raven 1957-5-5 10785 Napa Calistoga 91 Comment
  POM180788  Eryngium aristulatum var. aristulatum J. T. Howell 1930-7-13 5369 Napa Near Myrtledale Hot Springs, upper Napa Valley Comment
  JEPS14257  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-6-6 15837 Napa 5 mi. n. Napa City; Napa Valley 30 Comment
  UC1587180  Eryngium vaseyi Jake Ruygt 1991-1-1 Napa near Buchli; S. Napa Co., Cuttings Wharf Quad. 3 Comment
  CAS-BOT-BC40899  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  CAS-BOT-BC54305  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Knoxville. Comment
  UC10529  Erysimum capitatum Willis L. Jepson 1893-5-4 Napa trail to summit Napa River Basin, Mt. St. Helena Comment
  JEPS106770  Erysimum capitatum var. capitatum Jake Ruygt 1996-4-12 3610 Napa Blue Ridge, north of Monticello Dam. 670 Comment
  JEPS106783  Erysimum capitatum var. capitatum Jake Ruygt 1995-4-24 3440 Napa 1.6 mi. south of Lake Hennessey on road to Taylor/ Chapallet 396 Comment
  UCD170371  Erysimum capitatum var. capitatum Daniel Potter; N Khuu, K Battenberg 2016-4-30 869 Napa Knoxville Wildlife Area, along Nevada Creek. 194 Comment
  POM339526  Erysimum capitatum var. capitatum F. R. Fosberg 1967-4-1 48420 Napa Hills just south of Lake Berryessa Comment
  CHSC102277  Erythranthe cardinalis Lowell Ahart 2009-10-12 16451 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SEINET8274779  Erythranthe microphylla L. Constance 1938-3-27 2040 Napa above Wooden Valley 8 mi. ne. of Napa,e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  SEINET13727996 Image available Erythranthe nudata J. M. Tucker 1965-1 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  SEINET8405337  Erythranthe nudata J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  CAS-BOT-BC124173  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-BC133287  Erythronium helenae Mrs. Clara Hunt 1924-3-10 s.n. Napa unspecified Comment
  SEINET882372 Image available Erythronium helenae Elmer I. Applegate 1932-1 7037 Napa Volcanic crater region of Mount St. Helena. Comment
  CAS-BOT-BC402794  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6062 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC402803  Eschscholzia caespitosa David D. Keck 1931-4-3 1064 Napa Pope Creek canyon, 8 miles NW. of Monticello Comment
  CAS-BOT-BC402785  Eschscholzia caespitosa Lester Rowntree 1937-3-30 s.n. Napa Steel Canyon near Napa Comment
  CAS-BOT-BC402798  Eschscholzia caespitosa Peter H. Raven 1955-3-20 8244 Napa Slopes just below Hennessey Lake, Conn Valley 121 Comment
  UCD20917  Eschscholzia caespitosa V. (Shorty) Boucher 2002-3-27 8 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of culvert #8 in a roadcut. Comment
  SD8239  Eschscholzia californica Brandegee Apr 1888 Napa Mt. St. Helena. Comment
  UC126645  Eschscholzia californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7132 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD117790  Eschscholzia californica Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, main meadow. 387 Comment
  UCD95311  Eschscholzia californica Alan P. Godlewski 1974-5-3 14 Napa In foothills surrounding Lake Berryessa. Comment
  HSC16780  Eschscholzia hypecoides Greg Bos 1963-3-24 44 Napa NW end of Lake Berryesa, at Putah Creek 168 Comment
  JEPS48860  Euphorbia crenulata Elsa Kraeger 1926-3-28 Napa 0.5 mi from Mt. St. Helena Hotel (near Russ House) Comment
  UCD142379  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1217 Napa Along State Highway 128, 5.6 miles north of its junction with State Highway 37. Comment
  UC2043157  Euphorbia oblongata Barbara Ertter with Jake Ruygt 1996-4-25 14605 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD149689  Euphorbia oblongata 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
  JEPS100816  Euphorbia spathulata Dean Wm. Taylor with Mey Akasah 1999-6-4 17220 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD39035  Euphorbia spathulata Beecher Crampton 1962-5-16 6435 Napa About 2 miles S of Aetna Springs, along road to Pope Valley. Comment
  UCD47964  Euphorbia spathulata Ryan Knox; E, McDermott, and G. Walden 2002-4-13 10 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on north side of road near calcium seep area. 424 Comment
  UCD19924  Eurybia radulina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 779 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  HSC100738  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek, E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  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
  JEPS122944  Festuca arundinacea Jake Ruygt 1982-5-19 1276 Napa Tubb's Lane, Calistoga. Quad: Calistoga. Comment
  JEPS76088  Festuca californica W. L. Jepson 1938-5-22 18838 Napa Howell Mountain Comment
  UCD121157  Festuca californica Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7350 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  UCD19336  Festuca californica M. A. Bibbo; E. Dean 2001-7-6 28 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  UCD36169  Festuca californica Beecher Crampton 1952-3-24 1030 Napa 7.5 miles east of Rutherford, along Highway 128. Comment
  CAS-BOT-BC278344  Festuca californica subsp. californica Carl B. Wolf 1928-5-3 1815 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD65899  Festuca californica subsp. californica J. Street 1950-4-24 Napa 4 mi. E of Rutherford. Comment
  HSC26181  Festuca elmeri J. P. Smith, J. O. Sawyer 1970-5-17 3778 Napa 3 mi. S of Pope Valley 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
  UCSB40902  Festuca microstachys Roos, John 1939-4-18 Napa 3.5 mi N. of Pacific Union College; Angwin; roadside below Dilly's place Comment
  JEPS122939  Festuca occidentalis Jake Ruygt 1990-5-19 2559 Napa 1/2 mile north of Diamond Mountain Road on Highway 29. Quad: Calistoga. Comment
  POM126174  Festuca occidentalis Joseph P. Tracy 1902-5-18 1544 .5 Napa Head of Moore's Creek, 3-4 miles east of Angwin's. 488 Comment
  UCD66179  Festuca occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CDA10888  Festuca roemeri G. F. Hrusa, M. Rejmanek 1993-5-15 10983 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD66254  Festuca roemeri Beecher Crampton 1954-5-6 1831 Napa 5 miles south of Monticello. Comment
  CAS-BOT-BC279010  Festuca rubra Peter H. Raven 1952-5-31 4144 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  UC187104  Festuca rubra Joseph P. Tracy 1903-5-15 1867 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UC21052  Foeniculum vulgare W. L. Jepson Nov. 1895 Napa St. Helena Comment
  UCD161315  Foeniculum vulgare Jake Ruygt 1978-6-18 357 Napa Napa, near railroad track south of Imola Avenue. (Coordinates estimated by label maker at UC Davis). 3 Comment
  UCSB24693  Frangula californica subsp. tomentella McMinn, Howard 1922-07 Napa Pope Canyon Comment
  CAS-BOT-BC223848  Frankenia palmeri Peter H. Raven 1951-9-9 3906 Napa Slaughterhouse Pt., Napa River 0 Comment
  UC410443  Fraxinus dipetala Alice Eastwood 1930-4-13 17926 Napa between Monticello and Pope Valley Comment
  JEPS44084  Fraxinus latifolia Willis L. Jepson 1900-3-9 508 Napa near St. Helena; Napa River Comment
  JEPS44087  Fraxinus latifolia Willis L. Jepson 1903-9-6 2336 Napa St. Helena Napa River Basin Comment
  LA50918  Fraxinus latifolia Joseph Andorfer Ewan; 1934-4-30 8860 Napa near Samuel Springs, above Monticello on Pope Valley Grade Comment
  RSA107469  Fraxinus latifolia L. S. Rose 1955-9-26 55190 Napa Below Conn Lake, 4 mi NE of Rutherford. 61 Comment
  UC1094037  Fraxinus latifolia Lewis S. Rose 1955-9-26 55190 Napa 4 mi ne Rutherford (below Conn Lake) 60 Comment
  CAS-BOT-BC205890  Fremontodendron californicum M. A. Nobs 1939-6-3 s.n. Napa Half way between Monticello and Lower Lake 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
  SEINET5510212 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  UC3648  Fritillaria affinis Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UCD20922  Fritillaria affinis V. (Shorty) Boucher 2002-4-11 13 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At a bend along West Road, ca. 1000 airline feet E of the locality for Dean 898 - Saxifraga californica. Coordinates are for that locality. 243 Comment
  CAS-BOT-BC130073  Fritillaria affinis Ira L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga-Middletown Highway Comment
  UCSB679  Fritillaria affinis Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  JEPS113966  Fritillaria purdyi Jake Ruygt 1993-4-3 3185 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  JEPS113967  Fritillaria purdyi Jake Ruygt 1979-4-6 487 Napa .3 mile east of Butts Canyon Road, on Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  UC583533  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa n of Calistoga (Mayacama Range, Palisades); Mayacama Range, Palisades Comment
  JEPS113968  Fritillaria recurva Jake Ruygt 1990-4-8 2474 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UC14993  Fritillaria recurva J. P. Tracy 1902-5-21 1585 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  POM161096  Fritillaria recurva Rimo C. Bacigalupi 1926-3-28 1256 Napa Road below Mt. St. Helena about halfway between Summit and Middletown Comment
  RSA52739  Fritillaria recurva I. L. Wiggins 1949-4-30 12091 Napa Mount St. Helena near Lake Co. Line Comment
  RSA68720  Fritillaria recurva J. T. Howell 1926-3-21 1720 Napa St. Helena Creek Comment
  UCD110457  Galium Christopher Mallek 2008-1 KX2- 18 Napa Knoxville. 593 Comment
  UCD118515  Galium andrewsii subsp. andrewsii Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD148802  Galium andrewsii subsp. andrewsii Ellen Dean; Diana Hickson 2014-4-29 8109 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  JEPS52785  Galium andrewsii subsp. andrewsii Lauramay T. Dempster 1965-5-15 4091 Napa n slope above (s of) Knoxville; Cedar Valley 609 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
  RSA0054814  Galium aparine Keith E. Hoffmaster 1939-4-6 910 Napa Putah can. Comment
  UCD67956  Galium aparine Funi Takeda 1977-4-16 5 Napa Hwy. 128, 6.4 mi. sw Monticello Dam, west facing slope. 182 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
  UC1196086  Galium bolanderi Joseph P. Tracy 1899-6-26 428 Napa 3-4 mi e Angwin's (hills at head of Noore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC127126  Galium bolanderi Harley P. Chandler Sep 7 1906-Sep 14 1906 7105 Napa Alta Loma Ranch Howell Mountain 487 Comment
  LA208416  Galium californicum John Thomas Howell; 1930-7-13 5365 Napa Near Troll House, Mt. St. Helena region Comment
  UCR225658B  Galium porrigens Ellen Dean, Stephen Rae 2008-5-21 4985 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  UCD95696  Galium porrigens var. porrigens Ellen Dean; with Clare Loughran 2011-5-20 7034 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UC1196096  Galium tricornutum Joseph P. Tracy 1899-6-13 424 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD164731  Galium triflorum Jake Ruygt 2014-6-9 6000 Napa Livermore Ranch, Van Ness Canyon. 502 Comment
  JEPS66756  Garrya flavescens W. L. Jepson 1936-2-8 17399 Napa near Four Corners (Adam and Eve Ridge); Howell Mt. Comment
  UC402907  Garrya flavescens Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144382  Garrya fremontii H. E. McMinn 1923-5-25 961 b Napa Summit Wooden Valley Grade. Road to Napa. 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
  JEPS46448  Garrya fremontii W. L. Jepson 1906-2-23 Napa Howell Mt. Comment
  UCD118532  Geranium dissectum Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, edge of Recreation Flat. 387 Comment
  JEPS106708  Geranium molle Jake Ruygt 1986-3-22 1666 Napa Vaca Mountains, east of Markley Cove Resort 304 Comment
  UCD23410  Geranium molle Nicholas Ewing 1977-4-16 11 Napa Petals lavender, annual, erect, leaves palmately veined and palmately lobed. Anthers lavender. North facing slope, half sun, foothill woodland. 0.6 miles east along East Bull Canyon, off Highway 128 7.4 miles SSW of Monticello Dam. 152 Comment
  UCD150654  Geranium pusillum Stephen Brown 1974-4-6 27 Napa Four miles W junction of Hwys. 121 and 128, on Hwy 128. 304 Comment
  RSA83101  Gilia capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon on east slope of Mayacama Mountains, ca. 8 miles from Vichy Springs on Montichello road. Comment
  RSA83103  Gilia capitata Verne Grant, Alva Grant 1947-5-3 7964 Napa West slope of Mt. St. Helena, ca. 2-3 miles from Knight's Valley. Comment
  SEINET233344  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road base of Conn Dam 1.2 mi E of intersection with the Silverado Trail 73 Comment
  UCD68047  Gilia capitata Ryan M. Ross 1976-5-16 41 Napa On Road 121, approximately 6.8 miles South of Road 128. Found in chaparral plant association, on roadside embankment, on loamy clay soil, with partial sunlight. Flowers, corolla and anthers powder blue, calyx light green-white. 335 Comment
  RSA742088  Gilia capitata subsp. capitata Peter L. Morrell 1993-6-6 269 Napa Coast Range: Along Hwy 29, N side of road, 1 mile south of Robert Louis Stevenson State Park, c. 3 miles N or Calistoga 146 Comment
  JEPS69535  Gilia capitata subsp. capitata W. L. Jepson Nov. 1895 20941 Napa sw St. Helena (White Sulphur Spring); sw of St. Helena, White Sulphur Springs Comment
  UCD117699  Gilia capitata subsp. capitata Eric S. Ngay 1990-5-26 17 Napa gravel mine west of bridge, south bank of Pope Creek, near mile marker 4.75 Pope Canyon Road. Comment
  UCSC008577  Gilia clivorum Randall Morgan 1995-4-11 2376 Napa Intersection west of Horse Valley Comment
  HSC45343  Gilia tricolor R. York 1978-4-8 115 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  UCD148838  Gilia tricolor Ellen Dean; Diana Hickson 2014-4-29 8142 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD117951  Gilia tricolor I. L. Eaks 1951-3-25 18 Napa 3 miles east of Monticello, Highway 28, Putah Canyon. Comment
  JEPS85024  Gilia tricolor subsp. tricolor Larry Heckard and Mary Ashton 1969-5-3 2216 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 510 Comment
  UC908613  Gilia tricolor subsp. tricolor Herbert L. Mason 1926-3-14 2731 Napa Mount St. Helena Comment
  UCD47962  Githopsis specularioides Robert Wolfson; J. Westbrook, M. Disney, S. Ratay, A. Houser, S. Wathen 2000-4-22 36 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd. along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  SEINET10464564  Githopsis specularioides Ira L. Wiggins 1949-4-30 Wiggins 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles northeast of Calistoga Comment
  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
  UC1563928  Glinus lotoides Barbara Ertter with Elizabeth Neese 1988-10-2 7966 Napa 15 air mi nnw of Napa (Lake Hennessey on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  RSA92802  Glinus lotoides Peter H. Raven 1951-10-28 3931 Napa Strand at west end of Conn Lake. 152 Comment
  UCD167088  Glycyrrhiza lepidota Jake Ruygt 2010-6-19 5614 Napa 200 yds west of Hunting Creek along Putah Creek. 185 Comment
  UCD121180  Gnaphalium palustre Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7359 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 405 Comment
  CAS-BOT-BC303339  Gnaphalium palustre Peter H. Raven 1951-10-28 3942 Napa Conn Lake 152 Comment
  UC32015  Gnaphalium palustre Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs; Napa River Basin Comment
  CDA6057  Gnaphalium stramineum R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  JEPS110683  Gratiola ebracteata Jake Ruygt 1996-5-19 3714 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  OBI74534  Grindelia camporum David J. Keil 1986-11-8 19793 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S of turnoff to Homestake McLauglin Mine/MIll 350 Comment
  CDA6087  Grindelia camporum var. parviflora H. Stabo 1960-7-13 4687 Napa St. Helena Highway, Paradise Park. 0 Comment
  CAS-BOT-BC304883  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC304890  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  CAS-BOT-BC304892  Grindelia hirsutula John Thomas Howell 1929-6-30 4313 Napa 5 mile s. of Calistoga on highway to St. Helena, Napa Valley Comment
  CAS-BOT-BC304906  Grindelia hirsutula Peter H. Raven 1952-5-31 4130 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  CAS-BOT-BC304907  Grindelia hirsutula John Thomas Howell 1933-8-27 11645 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  CAS-BOT-BC304910  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Lower slopes of Mt. St. Helena Comment
  JEPS106921  Grindelia hirsutula Jake Ruygt 1981-6-10 1053 Napa HWY 121 at Circle Oaks Dr. 292 Comment
  UC32146  Grindelia hirsutula Willis L. Jepson 1894-4-30 Napa Rebecca Ranch <gra??> Napa River Basin, Rebecca Ranch grade Comment
  JEPS106785  Guillenia lasiophylla Jake Ruygt 1981-4-20 989 Napa American Canyon, .3 miles east of Flosden Road 91 Comment
  JEPS54083  Guillenia lasiophylla W. L. Jepson 1894-5-2 13347 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS106919  Gutierrezia sarothrae Jake Ruygt 1998-8-29 4109 Napa Blue Ridge, about 1.5 mile north of Mays Flat. 701 Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302217  Harmonia nutans Willis L. Jepson 1893-4-28 s.n. Napa Wooden Valley Grade, Napa River Basin Comment
  CAS-BOT-BC302221  Harmonia nutans John Thomas Howell 1931-4-2 6075 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC302225  Harmonia nutans Peter H. Raven 1950-4-15 1752 Napa Wooden Valley Grade above Napa 457 Comment
  JEPS40057  Harmonia nutans Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UC1245371  Harmonia nutans Joseph P. Tracy 1950-5-23 18663 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  UC185684  Harmonia nutans Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UCD164820  Harmonia nutans Jake Ruygt 2012-4-21 5828 Napa Crystal Flats, west of Putah Creek. 216 Comment
  JEPS33582  Helianthella californica subsp. californica W. L. Jepson 1938-5-24 18843 Napa plateau n Four Corners; Napa Range, Howell Mtn. 883 Comment
  CAS-BOT-BC305532  Helianthus bolanderi John Thomas Howell 1933-8-27 11643 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  JEPS34867  Helianthus bolanderi W. L. Jepson 1916-8-7 6843 Napa Howell Mt. Comment
  OBI74555  Helianthus bolanderi David J. Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill Comment
  UCD132787  Helianthus exilis G. F. Hrusa 1993-10-3 11426 Napa 2.1 m. southwest along Knoxville-Devilhead Road from Knoxville-Berryessa Road. 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
  JEPS115740  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 437 Comment
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC306143  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC306152  Hemizonia congesta subsp. clevelandii David D. Keck 1933-11-10 2716 Napa Calistoga, 2 mi. N. of the center of town, at the geysers Comment
  UC88998  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-8-1 Napa Calistoga Comment
  UCD132979  Hemizonia congesta subsp. congesta Heidi E. M. Dobson 1978-5-25 330 Napa Mount Veeder. Comment
  UC197528  Hemizonia congesta subsp. lutescens H. M. Hall 1915-8-12 10095 Napa near Napa Junction Comment
  JEPS106662  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1982-6-13 1313 Napa Cedar Roughs 271 Comment
  UCD20508  Hemizonia congesta subsp. luzulifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1081 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  CAS-BOT-BC309833  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4541 Napa 9 miles n. of Vallejo in Napa Co. Comment
  CAS-BOT-BC309843  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa In Napa, Napa Valley Comment
  UC197529  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10096 Napa Collins San Francisco Bay Region Comment
  RSA81622  Hemizonia fitchii James I. McMurphy 1909-8-7 698 Napa Between Mount St. Helena Pass and Calistoga. 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
  UCD63182  Hesperevax acaulis var. robustior Jake Ruygt 2005-4-10 4751 Napa Skyline park, near Manzanita trail. 164 Comment
  UC164895  Hesperevax sparsiflora var. sparsiflora J. P. Tracy 1902-5-16 1511 Napa 3-4 mi e of Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  SD40654  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-16 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 455 Comment
  SJSU149  Hesperocyparis sargentii Emily D. Smith 1935-11-11 Napa near head of St. Helena Cr c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  UCD169786  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-8-18 794 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  CAS-BOT-BC167421  Hesperolinon bicarpellatum Robert F. Hoover 1938-6-8 3539 Napa Canyon of s. fork of Butts Canyon Comment
  CAS-BOT-BC167425  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  OBI12554  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4108 Napa Above Sage Crk 0.8 mi S of Chiles Valley Comment
  UC1212346  Hesperolinon bicarpellatum Freed W. Hoffman 1947-6-17 1647 Napa Sage Canyon Comment
  UCD167168  Hesperolinon bicarpellatum Jake Ruygt 2015-4-20 6074 Napa Fernandes/ Land Trust, Snell Peak area. 394 Comment
  UCD167348  Hesperolinon bicarpellatum Jake Ruygt 2003-6-7 4541 Napa Mt. George/ Foote Botanical Preserve on 'Tupper road'. 298 Comment
  UC1212210  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa Cappell Valley 365 Comment
  RSA92954  Hesperolinon breweri Peter H. Raven 1951-6-26 s.n. Napa Cappell Valley. 366 Comment
  CAS-BOT-BC176016  Hesperolinon californicum Peter H. Raven 1951-6-26 3079 Napa [Cappell] Capell Valley 365 Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  JEPS122903  Hesperolinon californicum Adam C. Schneider 2015-5-19 933 Napa Along Pope Valley Rd. Comment
  UC1212438  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4075 Napa edge of valley above Sage Creek (near junction of Pope Valley-Monticello road with road to Rutherford); Inner North Coast Ranges, Chiles Valley 240 Comment
  UC1601241  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4617 Napa road from Rutherford to Monticello (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD110500  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa Above Sage Creek on west side Chiles Valley. 304 Comment
  CAS-BOT-BC176017  Hesperolinon californicum Lester Rowntree 1937-6-1 s.n. Napa Saca Canyon Comment
  JEPS32281  Hesperolinon californicum Jos. P. Tracy 1899-6-19 384 Napa hill beyond flat Howell Mt. Comment
  UC1212309  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4643 Napa one mi above Aetna Springs (ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  UCD164732  Hesperolinon clevelandii Jake Ruygt 2014-6-14 6002 Napa Ranch near Oat Hill. 619 Comment
  UC1212323  Hesperolinon clevelandii Milo S. Baker 1947-7-7 11853 Napa at end of wood road leading southerly from Mt. St. Helena Inn (towards the Crater); Inner North Coast Ranges Comment
  UCD167295  Hesperolinon clevelandii Jake Ruygt 2007-5-26 5193 Napa Duff Ranch; northeast side of High Point. 768 Comment
  JEPS127858  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 620 Napa East of Knoxville berrynessa Rd at pullout by old chimney. Comment
  JEPS127860  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 626 Napa Pipeline road meadow site at McLaughlin Reserve Comment
  UC17251  Hesperolinon disjunctum Willis L. Jepson 1892-7 19006 Napa Knoxville Mountain Region of Clear Lake Comment
  JEPS112655  Hesperolinon drymarioides Jake Ruygt 2000-7-8 4283 Napa Devilshead Rd. 475 Comment
  JEPS122778  Hesperolinon drymarioides Jake Ruygt 1993-6-5 3275 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  JEPS112653  Hesperolinon micranthum Jake Ruygt 1995-6-17 3504 Napa Butts Canyon Road at Snell Valley Road; to SE. 487 Comment
  JEPS122777  Hesperolinon micranthum Jake Ruygt 1980-5-13 893 Napa Mt. St. John. QUAD: Rutherford Comment
  UC1212258  Hesperolinon micranthum Helen K. Sharsmith 1952-5-18 4079 Napa 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  UC1601270  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4616 Napa Rutherford-Monticello road Inner North Coast Ranges, Chiles Valley (w side of valley) 243 Comment
  JEPS6468  Hesperolinon micranthum W. L. Jepson 1944-6-15 27532 B Napa on summit of main ridge near Old Signal Station site; Napa-Solano Counties Comment
  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
  JEPS123294  Hesperolinon sharsmithiae David Gowen 2009-6-18 1071 Napa Pope Canyon Road, west of where Maxwell Creek enters Pope Creek. Comment
  JEPS122776  Hesperolinon spergulinum Jake Ruygt 1988-6-4 2211 Napa Mt. St. Helena above Red Hill. QUAD: Detert Reservoir. Comment
  RSA435710  Hesperolinon spergulinum Robert Gustafson, Don Reynolds 1983-6-7 2740 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC1212405  Hesperolinon spergulinum J. P. Tracy 1899-7-5 383 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC146128  Hesperolinon spergulinum J. P. Tracy 1905-7-6 2233 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD167351  Hesperolinon spergulinum Jake Ruygt 2010-7-5 5665 Napa East of White Point. 658 Comment
  JEPS106574  Heterocodon rariflorum Jake Ruygt 1986-6-20 1828 Napa NW side of Mt. George 295 Comment
  UCD48194  Heteromeles arbutifolia R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 23 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  CAS-BOT-BC310264  Heterotheca grandiflora Peter H. Raven 1953-10-4 6362 Napa Napa-Vallejo Road nr. Dutton's Ldg. turn-off 30 Comment
  UC1925919  Heterotheca oregona Ethel Crum Oct 1930 913 Napa Pope Valley Road, Yountville to Pope Valley. Comment
  UC336701  Heterotheca oregona var. rudis unknown Napa Calistoga Eel River Comment
  JEPS129057  Heterotheca sessiliflora subsp. echioides Jake Ruygt 1987-7-27 2085 Napa Vaca Mountains, on ridge south of Monticello Dam. Monticello Dam 7.5' Quad. Comment
  CAS-BOT-BC55303  Hirschfeldia incana Peter H. Raven 1952-5-29 4074 Napa Napa River 1 mile north Napa. 60 Comment
  JEPS107198 Image available Hoita macrostachya Jake Ruygt 1978-7-5 380 Napa 8.9 miles NE of Monticello Rd. on Atlas Peak Road 554 Comment
  UC127131  Hoita macrostachya Harley P. Chandler Sep 7 1906-Sep 14 1906 7120 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC1543069  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa hwy from Napa to Wooden Valley (n slopes of mt.); George Mt. 152 Comment
  UCD75825  Hoita macrostachya Jake Ruygt 2000-6-10 4274 Napa Adams Creek. 445 Comment
  JEPS71230  Holcus lanatus W. L. Jepson 1936-7-2 17643 Napa Angwin Meadow Howell Mt. (Napa Range); , , Angwin Meadow Comment
  CAS-BOT-BC324649  Holocarpha virgata Peter H. Raven 1952-8-26 5149 Napa Railway 3/4 mile west of Buchli Sta. 30 Comment
  UCD32908  Holodiscus discolor Beecher Crampton 1965-6-17 7424 Napa Napa county line, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  JEPS80610  Holozonia filipes Joe Callizo and Glenn Clifton 1981-8-13 Napa ridgetop, Los Posadas State Forest Los Posadas State Forest Comment
  CAS-BOT-BC284936  Hordeum brachyantherum subsp. californicum Carl B. Wolf 1928-5-3 1816 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC285095  Hordeum marinum subsp. gussoneanum Peter H. Raven 1950-4-15 1720 Napa Silverado Trail outside of Napa 15 Comment
  CAS-BOT-BC284762  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 Napa Napa 9 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
  UC679532  Horkelia californica subsp. dissita Milo S. Baker 1942-6-26 10208 Napa 1 mi e Pac. Theolog. Seminary; Pine Crest 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
  POM285807  Hypericum androsaemum R. C. Bacigalupi 1928-06 1876 Napa Howell Mt., 10 mi. west of St. Helena Comment
  UCD160773  Hypericum concinnum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8652 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD73457  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCR220100  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  JEPS66804  Hypericum formosum var. scouleri W. L. Jepson 1893-6-26 13963 Napa Howell Mt. Comment
  JEPS106646  Hypochaeris glabra Jake Ruygt 1990-4-1 2453 Napa White Creek, Wild Horse Valley Ranch 402 Comment
  UCD18095  Hypochaeris glabra Ellen Dean; with PLB 102 class 2000-4-29 751 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
  UCD18373  Iris R. Wenk 2000-5-14 11 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  CDA31272  Iris fernaldii D. G. Kelch 2010-5-6 10 .173 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD138721  Iris fernaldii C. G. Baughn 1949-4-24 27 Napa State Highway 12, 4 miles northwest of Cordelia. Comment
  UCD138722  Iris fernaldii Bradford Bearce 1965-4-4 21 Napa 29 miles west of Winters on road to Napa. Comment
  UCD138725  Iris fernaldii Heidi E. M. Dobson 1978-4-8 297 Napa East side of Mt. Veeder. Comment
  UCD138758  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCD48249  Iris macrosiphon K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 5 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south of path. 545 Comment
  UC4272  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  JEPS106647  Jaumea carnosa Jake Ruygt 1979-7-29 786 Napa Fagan's Marsh 1 Comment
  JEPS106648  Jaumea carnosa Jake Ruygt 1991-7-27 2805 Napa Napa River, 100 yds north of Southern Crossing 0 Comment
  CAS-BOT-BC340124  Jaumea carnosa Peter H. Raven 1952-8-26 5136 Napa Nr. Bentley Wharf 15 Comment
  CHSC93647  Juglans californica var. hindsii Paul Kirk; Joe Callizo 2001-5-25 6 Napa Munson Ranch area, approximately 300 m WNW of end of Circle Oaks drive. 450 Comment
  CAS-BOT-BC102316  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 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-BC102321  Juglans hindsii C. B. Wolf; E. R. Johnson 1934-10-17 6197 Napa Munson Ranch, Napa Range, above Wooden Valley, Old Indian Camp Site 304 Comment
  LA16775  Juglans hindsii C. B. Wolf; E. R. Johnson 1934-10-17 6197 Napa Napa Range, Munson Ranch, above Wooden Valley, Old Indian Camp Site 304 Comment
  RSA12697  Juglans hindsii Carl B. Wolf, E. R. Johnson 1934-10-17 6197 Napa Munson Ranch, Napa Range, above Wooden Valley; This is an old Indian Camp Site 305 Comment
  RSA1932  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  RSA7626  Juglans hindsii Carl B. Wolf 1933-9-28 5514 Napa Spully Ranch at head of Gordan Valley, below Lake Curry Dam 152 Comment
  CDA39578  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19939 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  CDA39579  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19939 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  CHSC93644  Juglans nigra Paul Kirk 2001-10-25 10 Napa Duffy Ranch. 30 Comment
Read comments
Jan 14 2009
  JEPS122670  Juncus bufonius var. bufonius Jake Ruygt 1992-5-15 2961 Napa Meadow north of the Polo Field, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS122652  Juncus covillei Jake Ruygt 1989-6-17 2370 Napa Van Ness Canyon near Bear Valley. Quad: Detert Resevoir. Comment
  JEPS126053  Juncus dubius Jake Ruygt 2010-6-26 5659 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  JEPS63908  Juncus effusus subsp. pacificus W. L. Jepson 1920-7-12 9071 a Napa near Yountville (e side road going toward Napa); Napa Valley Comment
  UC127473  Juncus effusus var. pacificus Harley P. Chandler Sep 7 1906-Sep 14 1906 7103 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS126055  Juncus ensifolius Jake Ruygt 2007-6-2 5218 a Napa Wild Lake, north of Friesen Lakes. Saint Helena 7.5' Quad. Comment
  JEPS122683  Juncus kelloggii Jake Ruygt 2007-5-17 5180 Napa Duff Ranch, NE of Grassy Hill. Quad: Calistoga. Comment
  JEPS67097  Juncus occidentalis Willis L. Jepson 1894-5-1 40 a Napa Upper Conn Valley Napa River Basin Comment
  JEPS126064  Juncus orthophyllus Jake Ruygt 2000-5-24 4262 Napa Yountville Cross Road, Napa River Ecological Reserve. Yountville 7.5' Quad. Comment
  UCD20752  Juncus oxymeris M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 101 Napa McLaughlin UC Reserve. Devilhead Rd. 2.5 road miles S of jct. with Knoxville-Berryesa Rd. W side of the road by small perennial creek. 487 Comment
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 Comment
  UCD166708  Juncus patens Jake Ruygt 2006-7-3 5070 Napa Napa River north of Zinfandel Lane. 56 Comment
  UCD73494  Juncus patens Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS126041  Juncus xiphioides Jake Ruygt 1995-6-5 3498 Napa Oakville Grade about 1/2 way to top of grade, S side road. Rutherford 7.5' Quad. Comment
  JEPS126106  Juniperus californica Jake Ruygt 1980-3-22 814 Napa Between Snell Valley and Big Basin. Aetna Springs 7.5' Qua. Comment
  JEPS110685  Keckiella breviflora var. glabrisepala Jake Ruygt 1987-6-14 2049 Napa Pope Creek at inflow to Lake Berryessa 149 Comment
  JEPS110640  Keckiella corymbosa Jake Ruygt 1988-8-14 2227 Napa Adams Creek-Ridge 548 Comment
  POM14711  Keckiella lemmonii W. L. Jepson 1891-9-13 s.n. Napa Vacaville. Comment
  JEPS76077  Koeleria macrantha W. L. Jepson 1938-5-18 18789 Napa behind St. Helena Sanitarium Howell Mountain; , behind St. Helena Sanitarium Comment
  UCD170372  Koeleria macrantha Daniel Potter; N Khuu, K Battenberg 2016-4-30 870 Napa Knoxville Wildlife Area, along Nevada Creek. 220 Comment
  UCD85738  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  CHSC103003  Lactuca serriola Lowell Ahart 2009-10-12 16426 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC1199151  Lagophylla minor Joseph P. Tracy 1933-6-2 12481 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain Comment
  UCD18061  Lagophylla minor Ellen Dean; with Plant Biology 102 class 2000-4-22 616 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD48597  Lagophylla minor K. Mogel; B. Pekin and M. Higley 2002-5-4 15 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  HSC81600  Lagophylla minor Thomas W. Nelson, Jane P. Nelson 1980-5-3 5157 Napa Junction of Butts Canyon Rd. and Snell Valley Rd. 197 Comment
  JEPS39001  Lagophylla minor Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa Valley River Basin, Conn Valley Comment
  UCD135653  Lagophylla minor Bruce G. Baldwin 1986-4-19 600 Napa 1.0 mile east of junction with Silverado Trail along California State Highway 128. Comment
  CAS-BOT-BC341553  Lagophylla ramosissima Peter H. Raven 1951-6-26 3061 Napa Wooden Valley Grade 304 Comment
  UCR141014  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa Inner North Coast Ranges, 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley 297 Comment
  JEPS106676  Lasthenia californica Jake Ruygt 1976-5-6 57 Napa 2.8 miles northeast of Westgate Dr. on Atlas Peak rd. 350 Comment
  JEPS106677  Lasthenia californica Jake Ruygt 1990-4-1 2455 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  JEPS10012  Lasthenia californica subsp. californica Willis L. Jepson 1893-1 Napa Comment
  UC166657  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1528 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 426 Comment
  UCD48591  Lasthenia californica subsp. californica M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 15 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UCD48593  Lasthenia californica subsp. californica Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  JEPS122747  Lasthenia glaberrima Jake Ruygt 2011-5-7 5774 Napa Pope Valley, Pope Canyon Road at vernal marsh. Quad: St. Helena. Comment
  UCD133773  Lasthenia gracilis J. D. Clark 1995-5-27 11 Napa on trail between 1/4 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UCD133827  Lasthenia gracilis R. W. Thorp 1967-3-9 670309 B Napa 3 miles south of Napa. Comment
  CDA4151  Lathyrus aphaca Mrs. H. C. Ackley Jun 1963 Napa Tubbs Lane near Calistoga. 0 Comment
  RSA633346  Lathyrus aphaca Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. Comment
  JEPS107273  Lathyrus hirsutus Jake Ruygt 1996-7-13 3773 Napa Angwin, near Sanitation ponds. 481 Comment
  UCD106330  Lathyrus jepsonii var. californicus J. Watsonii 1941-5-1 s.n. Napa Monticello - Napa Road. Comment
  UC81786  Lathyrus jepsonii var. jepsonii Michener and Bioletti 1892-8-15 Napa Draw Bridge Napa River Comment
  RSA195353  Lathyrus nevadensis subsp. nevadensis Gilbert Muth 1967-3-31 595 Napa Old Howell Mountain road. 457 Comment
  POM128965  Lathyrus sulphureus H. P. Chandler 1907-5-14 7578 Napa White Sulphur Spring, St. Helena. Comment
  UCD73406  Lathyrus vestitus 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
  UCSB3115  Lathyrus vestitus Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  JEPS55384  Lathyrus vestitus var. vestitus W. L. Jepson 1924-4-6 10316 Napa Howell Mt. Napa Range 914 Comment
  UCD48893  Lathyrus vestitus var. vestitus C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, approx. 260' W of jct with West Rd., S side of trail, approx. 10' from trail. 152 Comment
  UC15381  Lathyrus vestitus var. vestitus unknown 1895-4-24 Napa e of St. Helena Comment
  UCD75717  Lathyrus vestitus var. vestitus Jake Ruygt 1986-4-14 1698 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 457 Comment
  UC924241  Layia chrysanthemoides H. S. Reed 1939-4-16 225 Napa Napa Valley 60 Comment
  CAS-BOT-BC323189  Layia chrysanthemoides John Thomas Howell 1931-4-2 6104 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  HSC5916  Layia chrysanthemoides Greg Bos 1963-3-30 59 Napa 3 mi. S of Middleton on Butte Canyon Rd. Comment
  POM231107  Layia chrysanthemoides Jens Clausen 1935-5-22 1068 Napa 2.2 miles S of Knoxville. Comment
  UC1301037  Layia chrysanthemoides Helen K. Sharsmith 1963-4-20 5334 Napa off Kelly Road (4 mi s of Napa); San Francisco Bay Region 45 Comment
  SBBG8517  Layia gaillardioides H. and M. Dearing 1939-4-28 3220 Napa near Fairfax Comment
  JEPS106632  Layia septentrionalis Jake Ruygt 1998-5-2 3948 Napa Chiles Canyon near white stone bridge. 146 Comment
  CAS-BOT-BC534371  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma County line 243 Comment
  RSA92952  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma county line 244 Comment
  CAS-BOT-BC534950  Lemna minuta Peter H. Raven 1951-6-26 3073 Napa Wooden Valley grade 304 Comment
  UCD120785  Leontodon saxatilis subsp. saxatilis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7328 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CDA10864  Lepechinia calycina G. F. Hrusa, M. Rejmanek 1993-5-15 10959 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. 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
  UC1561220  Lepidium latifolium Barbara Ertter with Annetta Carter 1989-5-28 8505 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road, n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  UCD82341  Lepidium nitidum Robin McMaster 1973-4-20 331 Napa 14 mi S of Pope Valley. Comment
  JEPS106843  Lepidium nitidum var. nitidum Jake Ruygt 1979-3-5 439 Napa Trefethen Vineyards, Oak Knoll 32 Comment
  CAS-BOT-BC12774  Lepidium oxycarpum Peter H. Raven 1953-3-29 5200 Napa Calistoga. 106 Comment
  JEPS120396  Lepidium oxycarpum Jake Ruygt 1993-4-18 3208 Napa north of American Canyon Creek, south of Am. Can. sanitation Comment
  CAS-BOT-BC12869  Lepidium ruderale Peter H. Raven 1952-5-26 4031 Napa St. Helena. 76 Comment
  JEPS126122  Lepidium virginicum Jake Ruygt 2010-6-26 5651 Napa 3400 Atlas Peak Road, entrance road. Capell Valley 7.5' Qua. Comment
  CAS-BOT-BC226536  Leptosiphon acicularis Peter H. Raven 1951-4-8 2766 Napa Yountville to Rutherford 76 Comment
  CAS-BOT-BC226537  Leptosiphon acicularis Peter H. Raven 1953-5-2 5385 Napa Hills due e. of Yountville 243 Comment
  RSA115540  Leptosiphon acicularis Beecher Crampton 1957-6-4 s.n. Napa Above Capell Creek, north end Capell Valley Comment
  SBBG5962  Leptosiphon androsaceus H. and M. Dearing 1939-4-29 3239 Napa Conn Valley Comment
  UCD149632  Leptosiphon androsaceus Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  CHSC52453  Leptosiphon androsaceus Keith G. Weinstock 1975-5-9 10 Napa State Highway 128, 12.6 miles southwest of the intersection of Road 89 and Road 32 (Yolo County). Comment
  OBI11412  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  RSA468551  Leptosiphon androsaceus L. S. Rose 1935-4-18 35102 Napa Steel Canyon Comment
  UCD13133  Leptosiphon androsaceus Etienne and Laurie Oleksiewicz 1981-4-22 19 Napa Napa CO. State Highway 128, 1.8 miles west of Monticello Dam; west facing slope. Comment
  HSC97648  Leptosiphon bicolor Gail Matson 1977-4-16 24 Napa Along Hwy. 128, 6.4 mi. SW of Monticello Dam 213 Comment
  CAS-BOT-BC226689  Leptosiphon jepsonii Carl B. Wolf 1928-5-3 1792 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS120363  Leptosiphon latisectus Jake Ruygt 2010-4-8 5502 Napa Mead Ranch, west slope overlooking Soda Canyon. Yountville 7.5' Quad. Comment
  JEPS129094  Leptosiphon latisectus Jake Ruygt 2016-4-26 6209 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC488334  Leptosiphon parviflorus Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 Comment
  SJSU8698  Leptosiphon parviflorus E. C. Garbett 1961-4-15 308 Napa Oakville Grade midway between Mt Veeder Rd & Oakville Comment
  UCD118508  Leptosiphon parviflorus Amber Kimpel; 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
  UCD18033  Leptosiphon parviflorus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 582 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
  UCD48067  Leptosiphon parviflorus K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 13 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill, north-facing slope. 533 Comment
  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
  OBI11414  Leptosiphon parviflorus R. L. Hoover 1968-4-20 48 Napa Collected on Howell Mountain Road, 2.6 miles NE of State Routes 29/128, on west side of road. Comment
  CAS-BOT-BC324169  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa 2 miles north of Calistoga, Napa Valley Comment
  JEPS20606  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa about 4 mi n of Calistoga Comment
  UCD161259  Lessingia hololeuca Jake Ruygt 1982-8-11 1382 Napa Tubbs Lane at Myrtledale Rd., Calistoga. (Coordinates estimated by label maker at UC Davis). 121 Comment
  OBI15787  Lessingia nemaclada Robert F. Hoover 1966-8-23 9930 Napa Butts cy near Lake co line Comment
  UCD161608  Lessingia ramulosa Jake Ruygt 1999-7-10 4201 Napa Spring Mountain Road at York Creek, reservoir, across road. 195 Comment
  UCD18118  Lessingia ramulosa K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 55 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
  JEPS129058  Leucanthemum vulgare Jake Ruygt 1979-6-16 640 Napa 2.9 miles north of Redwood Road on Dry Creek Road. Napa 7.5' Quad. Comment
  UC204945  Lewisia rediviva C. F. Sonne May 1896 Napa Hills Napa Soda Springs Soda Springs Comment
  UC1746036  Lilaea scilloides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2763 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC451586  Lilaea scilloides Peter H. Raven 1951-6-24 3027 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  CAS-BOT-BC451587  Lilaea scilloides Peter H. Raven 1953-5-2 5364 Napa East of Yountville 76 Comment
  UC619361  Lilaeopsis masonii Wilhelm N. Suksdorf 1913-7-24 630 Napa Comment
  POM290969  Lilium rubescens Lyman Benson 1929-6-29 s.n. Napa Mt. St. Helena Comment
  UCSB27470  Lilium rubescens Havlik, Neil 1969-6-29 Napa About 2 miles from State Highway 29 Comment
  JEPS19610  Limnanthes douglasii W. L. Jepson 1924-4-6 10326 Napa Napa 15 Comment
  UC971874  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-5-8 1182 Napa Pope Valley Comment
  JEPS112566  Limnanthes douglasii subsp. nivea Jake Ruygt 1994-4-16 3350 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  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
  UC17898  Limnanthes douglasii subsp. nivea Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  UC17909  Limnanthes douglasii subsp. nivea Willis L. Jepson 1896-4-26 Napa Oakville Napa River Basin Comment
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 Comment
  UC1593390  Limnanthes douglasii subsp. nivea R. Ornduff 1966-4-21 6880 Napa 4.4 mi se Calistoga (pasture along Hwy 29, in ephemeral stream) Comment
  UC971839  Limnanthes douglasii subsp. nivea Stanley G. Smith 1948-4-25 498 Napa on Hwy 29 n Yountville Comment
  UCD167292  Limnanthes floccosa subsp. floccosa Jake Ruygt 2005-4-17 4772 Napa Cub Valley' south of Bear Valley. 664 Comment
  JEPS110670  Limosella acaulis Jake Ruygt 1990-6-23 2599 Napa Johnson's Meadow Creek, Wild Horse Valley Ranch 435 Comment
  JEPS110961  Linanthus acicularis Jake Ruygt 1992-5-3 2929 Napa Westwood Hills Park, Browns Valley Rd. Napa 121 Comment
  SEINET7072777  Linanthus androsaceus A. G. Vestal 1963-5-13 s.n. Napa Conn Valley Road, Conn Valley. UTM Zone 10, 551383mE, 4262262mN. Coordinate datum: NAD 27. Comment
  UC146064  Linanthus androsaceus H. P. Chandler 1907-4-25 7539 Napa Chiles Valley Comment
  SEINET5732161 Image available Linanthus androsaceus Peta Lewis 1967-1 17 Napa Across from Monticello Dam, on State Highway 128.; Monticello Dam Comment
  UC1005688  Linanthus androsaceus Frank W. Gould 1939-4-6 602 Napa 11 mi e Napa 304 Comment
  UC914256  Linanthus androsaceus Verne Grant and Alva Grant 1947-4-19 7937 Napa e of crest of Mayacama Range (on Napa to Monticello road) Comment
  UC23463  Linanthus ciliatus Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS58378  Linanthus dichotomus W. L. Jepson 1924-4-6 10313 Napa Conn Valley Napa Range 91 Comment
  SEINET215090  Linanthus dichotomus R. F. Denno 1967-4-15 43 Napa Lower Chiles Valley Road, .75 mi. N. from its junc. with State Hwy. 128. 229 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
  UC146062  Linanthus dichotomus H. P. Chandler 1907-4-25 7535 Napa Conn Valley Comment
  UC971717  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 8 mi s Pope Valley Store Comment
  JEPS110969  Linanthus parviflorus Jake Ruygt 1995-4-24 3443 Napa 2 mi. south of Sage Canyon Rd. on private driveway (Taylor property) 432 Comment
  CDA40092  Linanthus parviflorus T. C. Fuller 1958-5-1 3720 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  UC188469  Linanthus parviflorus C. F. Sonne Apr 1896 Napa Napa Valley Comment
  UC23783  Linanthus parviflorus Willis L. Jepson 1893-4-24 Napa e of St. Helena; Napa River Basin Comment
  UC52371  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  SEINET12186115  Linum californicum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -336 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UC762365  Lithocarpus densiflorus R. F. Hoover 1941-5-10 5012 Napa e side Mt. St. Helena Comment
  UCD49253  Lithophragma affine Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 182 Comment
  RSA734141  Lithophragma affine Keith E. Hoffmaster 1946-3-23 1238 Napa Napa Range Comment
  UCD102700  Lithophragma affine David Lawfer 1952-3-29 139 Napa Napa. Comment
  CAS-BOT-BC430977  Lithophragma bolanderi Mrs. Clara Hunt 1921-4-21 s.n. Napa St. Helena Comment
  CAS-BOT-BC435614  Lithophragma heterophyllum John Thomas Howell 1931-4-2 6061 Napa Wooden Valley Grade 5 miles E of Napa Comment
  CDA12071  Lithophragma heterophyllum G. F. Hrusa, J. Messina 1989-3-3 5876 Napa North Coast Biodiversity Arena; Hwy. 128 W of Monticello Dam (Lake Berryessa). Comment
  JEPS112567  Lithophragma heterophyllum Jake Ruygt 1996-4-9 3567 Napa Wantrop Wildlife Sanctuary 493 Comment
  JEPS47658  Lithophragma heterophyllum W. L. Jepson 1910-3-28 4018 Napa sw Calistoga (Rebecca ranch grade); sw of Calistoga Comment
  UC1196487  Lithophragma heterophyllum J. P. Tracy 1902-5-15 1470 Napa 3-4 mi e of Angwin's head of Moore's Creek; Howell Mountain, head of Moore's Creek 396 Comment
  UCD73395  Lithophragma heterophyllum Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UC11904  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 Napa Knight's Valley road from Calistoga; Napa River Basin Comment
  JEPS106791  Lobularia maritima Jake Ruygt 1996-11-23 3802 Napa Third Street, Napa; in oxbow along Napa River. 4 Comment
  CAS-BOT-BC60179  Lobularia maritima Peter H. Raven 1951-5-6 2831 Napa Saint Helena. 91 Comment
  UC796477  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa along old toll road between Calistoga and Middletown (1.5 mi from Calistoga) Comment
  JEPS106959  Logfia gallica Jake Ruygt 1978-6-25 367 Napa 1.5 miles west of Old Sonoma Rd. on HWY 12 91 Comment
  UCD48427  Lomatium californicum K. Mogel; B. Pekin, and M. Higley 2002-5-4 9 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 1000 ft along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  SBBG5198  Lomatium californicum H. and M. Dearing -May-1939 3243 Napa Napa County [no specific locality] Comment
  SBBG5199  Lomatium californicum H. and M. Dearing 1939-5-1 3243 Napa Spring Mtn Grade, Comment
  SBBG5203  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  SEINET3074556 Image available Lomatium ciliolatum var. hooveri M. E. Mathias 1937-5-23 1298 Napa 1.9 mile southeast of Napa-Lake County line on road to Knoxville. Comment
  JEPS17138  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1896-6-2 14303 Napa Red ridge across mouth of Conn Valley; Napa R. Basin Comment
  POM182726  Lomatium dasycarpum subsp. dasycarpum D. D. Keck 1931-4-3 1061 Napa Pope Creek Canyon, 5 miles northwest of Monticello Comment
  UCD63745  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Rd. 286 Comment
  LA202888  Lomatium hooveri Mildred E. Mathias; 1937-5-23 1298 Napa 1.9 mi. SE of Napa-Lake County line on road to Knoxville Comment
  UC1563666  Lomatium hooveri Barbara Ertter with Annetta Carter 1989-5-28 8507 Napa near Knoxville (2 mi. s.e. of Lake Co. line on Berryessa Rd., hills s. of rd.); extreme n. Napa Co. 609 Comment
  UC723796  Lomatium hooveri Joseph Andorfer Ewan 1937-5-23 10361 Napa Knoxville Ridge above Knoxville; Knoxville Ridge Comment
  UCD18026  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 573 a Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD47859  Lomatium hooveri E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 16 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  UCD63184  Lomatium hooveri Jake Ruygt 2003-5-5 4520 Napa On ridge west of Foley Creek, east of Knoxville Creek. 411 Comment
  JEPS17118  Lomatium macrocarpum Willis L. Jepson 1893-4-24 14384 Napa hills e. of St. Helena to Conn Valley Grade (Howell Mt. foothills); Howell Mt. foothills Comment
  UCD150866  Lomatium marginatum var. purpureum G. F. Hrusa 1992-4-15 10377 Napa Along Lower Chiles Valley Road approximately 1 mile north of Highway. 128 Intersection. Comment
  UCD161312  Lomatium nudicaule Jake Ruygt 1979-4-19 525 Napa Napa County : Suscol Hill west of Highway 29 (221). (Coordinates estimated by label maker at UC Davis). 30 Comment
  CAS-BOT-BC217814  Lomatium repostum John Thomas Howell 1930-7-13 5358 Napa Edge of Crater Country Comment
  SEINET7883499 Image available Lomatium repostum Unknown 1946-1 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  UC1197143  Lomatium utriculatum Joseph P. Tracy 1904-5-23 2084 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD148801  Lonicera Ellen Dean; Diana Hickson 2014-4-29 8108 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  CAS-BOT-BC240564  Lonicera hispidula Peter H. Raven 1964-5-9 19065 Napa 2 miles west of Aetna Springs Comment
  UCD137323  Lonicera hispidula Susan Wagener 1955-5-15 60 Napa lookout spot ca. 1/2 mile southwest of Oakville, on Triniti Road. Comment
  CAS-BOT-BC240798  Lonicera interrupta Peter H. Raven 1951-5-20 2859 Napa Oakville to Glen Ellen, Sonoma Co. 274 Comment
  JEPS85044  Lotus Larry Heckard and Mary Ashton 1969-5-3 2190 Napa ca 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd) 457 Comment
  UC483306  Lotus humistratus Ira L. Wiggins 1932-3-12 5764 Napa between Calistoga and Franz Valley Comment
  UC1300905  Lotus micranthus Helen K. Sharsmith 1963-3-17 5215 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS19449  Lotus micranthus A. M. Ottley 1921-5-6 1337 Napa between Santa Rosa and Calistoga; Hoods Peak Range Comment
  JEPS29583  Lotus micranthus Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8440 Napa 2.2 mi n Atlas Peak road junction with Monticello road (Calif. 37) (along Atlas Peak road, on first switchback grade) 73 Comment
  JEPS107204  Lotus scoparius var. scoparius Jake Ruygt 1995-6-13 3496 Napa Oakville Grade about 100 yards east of Mt. Veeder Road. 176 Comment
  CDA10890  Lotus wrangelianus G. F. Hrusa, M. Rejmanek 1993-5-15 10985 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD65963  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 106 -LU Napa Roadside drain west of Hwy 29 at Solano Avenue and Hoffman Lane crossing, Yountville, CA. 23 Comment
  JEPS122685  Lupinus affinis Jake Ruygt 2005-4-4 4741 Napa Mt St. Helena, Highway 29 at Old Toll Road. Quad: Detert Reservoir. Comment
  JEPS129027  Lupinus affinis Jake Ruygt 2016-5-10 6246 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  UC127019  Lupinus albifrons Willis L. Jepson 1893-5-4 Napa just above Toll-house, Mt. St. Helena (Mt. St. Helena); Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC201558  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1940-4-7 s.n. Napa S. slope of Mt. St. Helena Comment
  CAS-BOT-BC201560  Lupinus albifrons var. albifrons Gilbert Muth 1967-4-9 617 Napa Oat HIll 548 Comment
  JEPS107221  Lupinus bicolor Jake Ruygt 1996-4-24 3622 Napa Garfield Lane, Napa. 17 Comment
  JEPS107229  Lupinus bicolor Jake Ruygt 1982-3-28 1154 Napa Suscol plain between Rocktram and HWY 29 (221) 3 Comment
  UC82070  Lupinus bicolor C. F. Baker 1903-4-19 1982 Napa Calistoga Comment
  UCD161754  Lupinus bicolor Jake Ruygt 1996-4-27 3637 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 219 Comment
  JEPS64994  Lupinus bicolor subsp. tridentatus Willis L. Jepson 1897-5-2 32 t Napa St. Helena Napa River Basin, St. Helena Comment
  RSA264961  Lupinus bicolor subsp. umbellatus George E. Johnston 1974-4-4 10739 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  UC15866  Lupinus formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  UC196167  Lupinus formosus C. F. Sonne April 1888 Napa field near Napa Junction Comment
  UC865161  Lupinus formosus Lewis S. Rose 1935-9-12 35651 Napa 2 mi nw Napa; nw of Napa 60 Comment
  UC15863  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  UC142911  Lupinus latifolius var. latifolius Katharine Brandegee 1910-5-18 Napa near the Toll House Mt. St. Helena; , near the Toll House Comment
  JEPS107219  Lupinus microcarpus var. densiflorus Jake Ruygt 1986-4-20 1715 Napa HWY 29 north of Oakville 42 Comment
  JEPS108046  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Road. Comment
  RSA659035  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1419 Napa Ca 1218 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Rd. Comment
  UC1601852  Lupinus microcarpus var. densiflorus Willis L. Jepson 1894-5-1 Napa Conn Valley; Napa River Basin, Conn Valley Comment
  UCD108720  Lupinus microcarpus var. densiflorus Ethel H. Hyde 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  UCD47990  Lupinus microcarpus var. microcarpus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-29 19 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  JEPS107245  Lupinus nanus Jake Ruygt 1980-3-30 821 a Napa St.Helena High School 70 Comment
  UC1129655  Lupinus nanus A. E. Wieslander 1934-2-25 369 Napa 3 mi n Calistoga (Calistoga--Middletown); Calistoga quad. Comment
  UCD164863  Lupinus nanus Jake Ruygt 2012-4-16 5816 -d Napa South half of Spanish Valley. 237 Comment
  UC725353  Lupinus sericatus A. A. Heller 1940-5-6 15586 Napa just below the crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena Comment
  UCR43183  Lupinus sericatus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  JEPS107243  Lupinus succulentus Jake Ruygt 1982-5-8 1227 Napa American Canyon .7 miles east of Flosden Road 54 Comment
  UCD148805  Lupinus succulentus Ellen Dean; Diana Hickson 2014-4-29 8112 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD47979  Lupinus succulentus Ari Houser; J. Westbrook, S. Ratay, M. Disney, R. Wolfson,S. Wathen 2000-4-22 22 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCR196218  Lupinus succulentus R. J. Flannery, C. Kennedy, L. Condon, N. Strahan, C. Hallock 2000-4-22 12 Napa UC McLaughlin Reserve, north of Knoxville, west of [Knoxville-Berryessa] Road 420 Comment
  POM202756  Lupinus vallicola subsp. apricus I. L. Wiggins 1932-3-12 5765 Napa Between Franz Valley and Calistoga. Comment
  RSA15623  Luzula comosa Carl B. Wolf 1928-2-25 1484 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD103046  Lythrum hyssopifolia Mr. Parrish 1941-6-25 s.n. Napa Napa County. Comment
  UCD167281  Lythrum hyssopifolia Jake Ruygt 1989-6-25 2385 Napa Napa River north of Trancas Street, Napa. 1 Comment
  UC527943  Madia anomala R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6671 Napa 6 mi ne of Pacific Union College; Howell Mt., Aetna Springs Comment
  CAS-BOT-BC343831  Madia elegans Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS40213  Madia elegans W. L. Jepson 1893-9-23 Napa Upper Napa Valley Comment
  JEPS7382  Madia elegans Willis L. Jepson Aug 1892 Napa Napa Valley Comment
  UCD161749  Madia elegans Jake Ruygt 1995-6-5 3489 Napa about 2 miles south of Lake Hennessey on private road (Taylor). 408 Comment
  CAS-BOT-BC344444  Madia exigua Peter H. Raven 1950-7-20 2378 Napa Howell Mtn., on nne side road to Pope Valley Comment
  RSA654108  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  JEPS38332  Madia exigua W. L. Jepson 1936-5-31 17571 Napa between Toland House and Augwin; Napa Range, Howell Mt.La Jota plateau Comment
  CAS-BOT-BC343196  Madia gracilis Peter H. Raven 1952-5-26 4037 Napa St. Helena to Howell Mt. 304 Comment
  CAS-BOT-BC343197  Madia gracilis Peter H. Raven 1952-5-31 4139 Napa Summit of hills sw. of Rector Canyon 304 Comment
  CAS-BOT-BC343206  Madia gracilis Betty H. Johnson 1958-6-8 601 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  UCD20728  Madia gracilis Ellen Dean; w/ Mark Bibbo 2002-6-17 1106 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  CAS-BOT-BC343207  Madia gracilis Ira L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles north-east of Calistoga Comment
  CAS-BOT-BC8139  Madia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  RSA170280A  Madia nutans Joseph P. Tracy 1950-5-23 18663 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  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
  JEPS106678  Madia sativa Jake Ruygt 1990-5-11 2536 c Napa Green Island Road at first bend 3 Comment
  CAS-BOT-BC345053  Madia sativa H. E. Brown; A. A. Heller 1902-5-24 5683 Napa Napa Comment
  JEPS40404  Madia sativa W. L. Jepson 1904-6-3 2437 Napa 1 to 2 mi from Stone Bridge (St. Helena to Howell Mt.) Comment
  UCD20030  Maianthemum stellatum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1208 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  UCD167282  Malacothamnus fremontii Jake Ruygt 1998-6-24 4059 Napa Goslin Canyon, south of hunting camp. 192 Comment
  CAS-BOT-BC347518  Malacothrix floccifera Alice Eastwood; John Thomas Howell 1939-6-11 7423 Napa Hood Mt. Range sw. of Oakville Comment
  UC527941  Malacothrix floccifera R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6677 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UCD70465  Malacothrix floccifera 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, 12 in tall. Flowers cream. 183 Comment
  CAS-BOT-BC347514  Malacothrix floccifera John Thomas Howell 1931-4-19 6461 Napa Conn Valley, Napa Range Comment
  UC194452  Malacothrix floccifera C. F. Sonne 1897-4-1 Napa Sulphur Springs St. Helena Comment
  UCD69017  Malacothrix floccifera P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  JEPS122762  Malva sylvestris Jake Ruygt 2010-3-4 5476 Napa Highway 29 near Napa Junction Road. Quad: Cuttings Wharf. Comment
  JEPS120398  Marah watsonii Jake Ruygt 1982-3-16 1128 Napa Capell Valley north of Monticello Road Comment
  SEINET15325226  Matricaria discoidea R. H. Miller 1949-1 47 Napa Highway 37, about 10 miles NE of Napa. Comment
  UCD13126  Medicago arabica Kathleen Worden 1981-4-28 3 Napa Napa CO. on highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  UCD48972  Medicago polymorpha L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 5 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  UCD148797  Melica californica Ellen Dean; Diana Hickson 2014-4-29 8104 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 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
  UCD87231  Melica californica R. Tofsrud 1950-4-24 s.n. Napa 3 mi. S of Monticello. Comment
  UCD93078  Melica californica Catherine E. Koehler 2008-4-4 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 Comment
  UCR212329  Melica californica Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  CHSC30531  Melica geyeri var. aristulata N. E. H. Prouty 1980-4-12 124 Napa Along Hwy. 29, roadmarker 41.12. Ca. 4 1/2 mi. SW of Robert Louis Stevenson State Park. Western slope of Mt. St. Helena. 243 Comment
  CAS-BOT-BC264219  Melica torreyana Carl B. Wolf 1928-5-3 1812 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC264223  Melica torreyana John Thomas Howell 1931-4-2 6079 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  JEPS129103  Melica torreyana Jake Ruygt 2016-5-3 6227 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS75644  Melica torreyana W. L. Jepson 1936-5-31 17576 Napa La Jota; Napa Range, Howell Mt. Comment
  UCD160727  Melica torreyana Ellen Dean 2015-5-23 8779 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD163272  Melica torreyana D. Slakey; CNPS Volunteers 2015-4-25 117 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCD17989  Melica torreyana Ellen Dean; with Plant Biology 102 class 2001-4-14 715 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., south of junction with Cutoff Rd., down trail of old homestead (bathtub, etc.). 213 Comment
  UCD36953  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  UCD89214  Melica torreyana E. Wilson 1932-5-1 s.n. Napa Traffic Officer's Country Club. 274 Comment
Read comments
May 1 2014
  JEPS65544  Melilotus albus W. L. Jepson 1936-7-6 17656 Napa Devil's Gate Putah Pass Comment
  UC126552  Melissa officinalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7107 Napa Alta Loma Ranch, Howell Mt. Howell Mt., Alta Loma Ranch 487 Comment
  CDA34659  Mentha X piperita L. 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. Comment
  JEPS112572  Mentzelia dispersa Jake Ruygt 1989-5-20 2337 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 822 Comment
  UC19605  Mentzelia laevicaulis var. laevicaulis Brewer Aug 1862 1315 Napa Rag [Wragg] Canyon near Putah Creek 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-BC428852  Micranthes californica Peter H. Raven 1953-4-2 5295 Napa Tulucay Creek 243 Comment
  SEINET7072775  Micropus amphibolus A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road on the North Slope. UTM Zone 10, 548879mE, 4271447mN. Coordinate datum: NAD 27.) Comment
  UCD168548  Micropus californicus 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
  CAS-BOT-BC348547  Micropus californicus var. californicus Carl B. Wolf 1928-5-3 1797 Napa 2 miles south of Hawkins Mount Inn Camp 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
  UC1301043  Micropus californicus var. californicus Helen K. Sharsmith 1963-4-20 5347 Napa on Monticello Road San Francisco Bay Region, southwest slope of Napa Range 152 Comment
  CAS-BOT-BC348969  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS106892  Microseris douglasii subsp. tenella Jake Ruygt 1981-4-18 976 Napa Harris Canyon 170 Comment
  UC1239523  Microseris douglasii subsp. tenella Joseph P. Tracy 1933-6-2 12483 Napa 3 to 4 mi e Angwin's (on hills at the head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  POM182669  Microseris elegans D. D. Keck 1931-4-4 1093 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  POM363453  Microseris lindleyi J. T. Howell 1931-4-19 6452 Napa Conn Valley. Comment
  RSA195379  Microseris lindleyi Gilbert Muth 1967-4-16 635 Napa Snell Valley. 183 Comment
  JEPS110573  Mimulus angustatus Jake Ruygt 1990-5-5 2527 Napa south of Leoma Lakes; Wild Horse Valley Ranch 429 Comment
  JEPS128902  Mimulus angustatus Jake Ruygt 1994-4-9 3345 Napa Los Posadas State Forest. Saint Helena 7.5' Quad. Comment
  UCD121190  Mimulus aurantiacus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7363 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 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
  UCD122209  Mimulus aurantiacus Alan P. Godlewski 1974-5-3 19 Napa 100 yards from hiway 128. Comment
  CDA41660  Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  JEPS110748  Mimulus cardinalis Jake Ruygt 1979-6-28 723 Napa Milliken Canyon, south wall 121 Comment
  JEPS110608  Mimulus congdonii Jake Ruygt 1982-3-20 1135 Napa Mt. St. John 548 Comment
  JEPS10573  Mimulus douglasii Willis L. Jepson 1893-3-13 60 m Napa hills e St. Helena; Napa River Basin, Howell Mt. foothills Comment
  JEPS110580  Mimulus guttatus Jake Ruygt 1989-5-9 2310 Napa American Canyon, Avilla Ranch 97 Comment
  SEINET12811554  Mimulus guttatus Christopher T. Ivey 2003-1 363 Napa Population occurred along stream margin in the Snell Valley Nature Preserve, 2.2 mi E of Pope Valley Road on Snell Valley Road. 192 Comment
  OBI54926  Mimulus guttatus Kathleen Faustini 1980-5-4 24 Napa Monticello Dam Comment
  RSA309180  Mimulus guttatus W. L. Jepson 1893-5-1 13 Napa Calistoga. Comment
  RSA80138  Mimulus guttatus Lincoln Constance 1938-3-27 2040 Napa Above Wooden Valley, 8 mi. NE of Napa, E. slope of Howell Mountains, North Coast Ranges. 457 Comment
  JEPS2938 Image available Mimulus guttatus var. insignis Willis L. Jepson 1893-1 8 m Napa near Yountville; Napa River Basin, La Lomita; La Lomita, Napa River Basin, near Yountville Comment
  JEPS10934  Mimulus inodorus Willis L. Jepson 1893-6-26 47 m Napa Angwin Meadows Napa River Basin, Howell Mt. Comment
  JEPS110612  Mimulus inodorus Jake Ruygt 2005-5-25 4865 Napa Munson Ranch, E end of Circle Oaks, Ridgecrest Drive 438 Comment
  UC26955  Mimulus kelloggii W. L. Jepson 1893-5-2 29 m Napa Pope Valley grade from Calistoga Comment
  UCD167999  Mimulus kelloggii James A. Neilson Jr. 1977-4-13 3866 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  JEPS128916  Mimulus latidens Juanita Duran 2000-4-18 4227 Napa Saint Helena; Spring street, 1.5 west of Highway. Rutherford 7.5' Quad. Comment
  RSA309393  Mimulus latidens W. L. Jepson 1893-4-27 31 Napa Lower Napa Valley, Napa River Basin. Comment
  CDA41702  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  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
  UCD122756  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 Homestake mine. 655 Comment
  JEPS85027  Mimulus microphyllus Larry Heckard, Mary Ashton 1969-5-3 2212 Napa ca. 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd., above and w of meadow) 510 Comment
  UC26985  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UC131116  Mimulus nasutus Katharine Brandegee 1909-6-1 Napa Pope Valley grade from Calistoga Comment
  JEPS11359  Mimulus nasutus Jepson 1893-5-1 13 m Napa near Calistoga; Upper Napa Valley Comment
  JEPS11428  Mimulus nasutus W. L. Jepson 1921-5-6 9169 Napa Yountville 30 Comment
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  UCD122792  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  UCD63856  Mimulus nudatus Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCR42417  Mimulus nudatus L. F. LaPre 1986-5-6 s.n. Napa Devil Head Road, c. 2 mi south of the Berryesa to Knoxville Road, 1.75 airlines mi south of Knoxville & about 1.75 mi east of the Lake Co. line. 488 Comment
  CDA11430  Mimulus pulsiferae G. F. Hrusa, M. Tu 1995-5-6 12153 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  JEPS110592  Mimulus tricolor Jake Ruygt 1998-5-2 3954 Napa Jerd Creek 289 Comment
  RSA195382  Minuartia californica Gilbert Muth 1967-4-16 640 Napa Snell Valley. Comment
  SFV8436  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 miles east of Middletown. 305 Comment
  RSA10696  Minuartia douglasii C. B. Wolf 1928-5-3 1791 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. 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
  CAS-BOT-BC220620  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  UCD20754  Monardella villosa M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 103 Napa McLaughlin UC Reserve. Devilhead Rd. 2.5 road miles S of jct. with Knoxville-Berryesa Rd. W side of the road by small perennial creek. 487 Comment
  JEPS62405  Monardella villosa subsp. villosa Willis L. Jepson 1893-6-26 50 m Napa grade to Howell Mt.; Napa River Basin Comment
  UCD166668  Monardella villosa subsp. villosa Jake Ruygt 1992-6-24 3056 Napa Tuteur Ranch, end of Green Valley Rd. 292 Comment
  CAS-BOT-BC220693  Monardella viridis Peter H. Raven 1952-6-28 4202 Napa Conn Valley 137 Comment
  UC1995310  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon Napa Range Comment
  JEPS101598  Monardella viridis subsp. viridis Dean W. Taylor 1999-7-20 17289 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  UCD86407  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  CAS-BOT-BC515123  Muilla maritima John Thomas Howell 1926-3-27 1760 Napa Myrtledale Hot Springs, near Calistoga Comment
  JEPS126049  Najas flexilis Jake Ruygt 2007-7-22 5250 Napa Lake Hennessey at inflow of Conn Creek. Saint Helena 7.5' Quad. Comment
  JEPS75633  Nassella cernua W. L. Jepson 1936-5-28 17540 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD36951  Nassella lepida Beecher Crampton 1956-5-25 3481 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD87897  Nassella lepida Jack Maze 1964-3-8 49 Napa 3 miles southwest of Monticello Dam, State Highway 128. Comment
  UCD87466  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  UCD87480  Nassella pulchra Beecher Crampton 1962-5-16 6433 Napa 0.5 mile W of Aetna Springs. Comment
  JEPS112538  Navarretia heterodoxa Jake Ruygt 1992-6-11 3028 Napa south of Mitten lake, Wild Horse Valley Ranch 426 Comment
  SD3929  Navarretia jepsonii Katherine Brandegee 1910-7-26 Napa Near Aetna Springs Comment
  UC1177373  Navarretia jepsonii Peter H. Raven 1950-6-28 2404 Napa just above Aetna Springs; Pope Valley Comment
  CAS-BOT-BC232655  Navarretia pubescens M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UC527938  Navarretia pubescens R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6669 Napa 6 mi ne Pacific Union College (on road to Aetna Springs); Howell Mt. Comment
  UCD149635  Navarretia pubescens Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  RSA91872  Navarretia pubescens Beecher Crampton 1953-5-19 1309 Napa Oak woodland area, grassy flat, 4 miles south if Monticello, state Hwy, 128. Comment
  UCD48623  Navarretia pubescens Katherine Lahey 1981-5-24 102 Napa Napa Co. 2.2 mi S of junction State Hwy's 128 and 121 on Hwy 128 roadside. 243 Comment
  JEPS110944  Navarretia tagetina Jake Ruygt 1983-6-1 1484 Napa HWY 12 at Sonoma County line 91 Comment
  SEINET10464787  Nemacladus capillaris R. Alava 1957-5-30 Alava 1007 Napa Along road, about 0.5 mile toward Monticello from junction of the road to Monticello and State Highwat 128 Comment
  SEINET10464791  Nemacladus capillaris Chisaki 1957-5-30 CHISAKI 971 Napa By Soda Creek, between Chiles Valley and Monticello Comment
  JEPS129026  Nemacladus montanus Jake Ruygt 2016-5-7 6241 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC219371  Nemophila Saichi Kawahara 1968-4-20 342 Napa Chiles-Pope Valley Road, 2 miles south of Pope Valley 259 Comment
  UC1239745  Nemophila heterophylla J. P. Tracy 1902-5-22 1622 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Howell Mountain, head of Moore's Creek, e of Angwin's 365 Comment
  UC606885  Nemophila heterophylla L. Constance 1938-4-22 2134 Napa above Dry Creek 2 mi w Yountville (Miyakama Mountains, North Coast Ranges); North Coast Ranges, Miyakama Mountains, above Dry Creek 457 Comment
  JEPS78801  Nemophila heterophylla John W. Willoughby 1977-4-27 2309 Napa s side of State Highway 128 very near Monticello Dam (Vaca Mountains); , very near Monticello Dam 146 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
  UCD23402  Nemophila heterophylla Julie Knorr 1977-4-16 4 Napa Small white flowers, many in one spot, about 6 cm tall. Foothill woodland, north facing slope, full shade. 6.4 miles west of Monticello Dam on Highway 128. Comment
  UCD68105  Nemophila heterophylla Cheryl Gillespie 1981-4-18 3 Napa Knoxville Road, 8.9 miles North of the intersection with Pope Canyon Road. Comment
  JEPS85033  Nemophila menziesii Larry Heckard and Mary Ashton 1969-5-3 2205 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 Comment
  UCD120214  Nemophila menziesii G. F. Hrusa; S. Larson 1995-4-10 12063 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCD120237  Nemophila menziesii G. L. Webster 1967-3-23 7494 Napa c. 1 mi S of Spanish Flat. 167 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
  UCD120085  Nemophila menziesii Everett H. Everson 1951-4-8 23 Napa 6.1 miles southwest of Monticello, on Napa Road. Comment
  UCD23404  Nemophila menziesii Eva Kurth 1977-4-24 199 Napa Proximal part of petals white, distal part sky blue, with longitudinal rows of small purple spots. In full sun in meadow. Berryessa Knoxville Rd. 2.3 miles SE of Knoxville Mine. 304 Comment
  CDA12056  Nemophila menziesii var. menziesii G. F. Hrusa, J. Messina 1989-3-3 5887 Napa North Coast Biodiversity Arena; Along Hwy 128 approx. 2 miles W of Monticello Dam (Lake Berryessa). Comment
  JEPS110844  Nemophila menziesii var. menziesii Jake Ruygt 1996-3-23 3531 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  POM263485  Nemophila menziesii var. menziesii J. C. Roos 1939-3-31 308 Napa Angwin. Howell Mtns. Comment
  POM264589  Nemophila menziesii var. menziesii J. C. Roos 1939-3-31 309 Napa Angwin. Howell Mtns. Comment
  POM65370  Nemophila parviflora var. parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs. 150 Comment
  SEINET5521059  Nemophila parviflora var. parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  JEPS110869  Nemophila pedunculata Jake Ruygt 1993-4-3 3183 Napa Little Bear Valley 673 Comment
  JEPS12278  Nicotiana acuminata var. multiflora W. L. Jepson 1939-9-11 19475 Napa near St. Helena (flats near Napa River) Comment
  UCD126688  Nicotiana acuminata var. multiflora J. M. Tucker; C. H. Lamoureux 1958-6-8 3404 Napa beside State Highway 128, 2.7 miles northeast of Rutherford. Comment
  JEPS113972  Odontostomum hartwegii Jake Ruygt 1978-5-14 311 Napa .6 mile north of Oakville Cross Road on Silverado Trail. Yountville 7.5' Quad. Comment
  JEPS43960  Oenothera elata subsp. hirsutissima Willis L. Jepson 1893-9-23 14495 Napa above Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  JEPS47330  Orobanche fasciculata L. R. Heckard and Rimo Bacigalupi 1965-5-15 1458 Napa Along Zim Zim Creek, about 2 1/2 air miles south of Knoxville. Comment
  RSA31988  Orthocarpus densiflorus A. A. Heller 1941-5-17 16136 Napa 2 miles north of Windsor on US Highway 101. Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  UC592162  Osmorhiza berteroi H. L. Mason 1926-3-22 2788 Napa between Calistoga to Petrified Forest Comment
  SEINET13944817 Image available Osmorhiza chilensis Joseph Andorfer Ewan 1937-1 10327 Napa Along auto road. W. slope Mt. St. Helena. Comment
  UC1177078  Oxalis articulata subsp. rubra Peter H. Raven 1951-5-6 2832 Napa St. Helena 91 Comment
  UCD120664  Oxalis corniculata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7326 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CAS-BOT-BC316825  Packera clevelandii Joseph Prince Tracy 2221 Napa Howell Mtn. Head od Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  OBI15512  Packera clevelandii Robert F. Hoover 1966-8-23 9937 Napa Butts Cyn, near Lake co. line Comment
  UC166073  Packera clevelandii J. P. Tracy 1905-7-6 2221 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  JEPS17411  Packera eurycephala var. eurycephala W. L. Jepson 1938-5-22 18835 Napa Pope Valley Comment
  JEPS13749  Packera eurycephala var. eurycephala Frank W. Gould 1939-4-6 616 Napa 1.0 mi n Knoxville (on road to Lower Lake) 457 Comment
  UC577240  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa 1 mi below Samuels Springs; Pope Creek Comment
  CAS-BOT-BC316943  Packera greenei Robert Francis Hoover 1966-5-28 9878 Napa just south of summit on Butts Canyon Road from Pope Valley Comment
  HSC46346  Packera greenei J. P. Smith, J. O. Sawyer 1970-5-17 3781 Napa 8 mi. N of Pope Valley Comment
  JEPS106859  Packera greenei Jake Ruygt 1996-6-1 3734 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 377 Comment
  OBI15493  Packera greenei Robert F. Hoover 1966-5-28 9878 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UC1103775  Panicum acuminatum var. acuminatum J. P. Tracy 1899-6-17 342 Napa 3-4 mi e Angwin's (La Jota plateau); Howell Mountain, head of Moore's Creek 518 Comment
  UCD33496  Panicum capillare subsp. hillmanii Beecher Crampton 1969-7-14 8496 Napa Napa County, Napa, southern area east of Napa River bridge, Hwys. 12, 29, 121. Comment
  JEPS110746  Parentucellia viscosa Jake Ruygt 1988-5-4 2178 Napa SW corner of HWY 29 and Airport Rd. 19 Comment
  JEPS106391  Parvisedum pumilum Jake Ruygt 1977-5-1 201 Napa east end of Westgate Drive, Silverado Country Club 121 Comment
  UC11240  Parvisedum pumilum Willis L. Jepson 1893-4-28 Napa near Napa City (Napa River Basin); Napa River Basin Comment
  UCD38860  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  CDA2124  Paspalum urvillei B. E. Eaton 1974-8-27 Napa Heinke Drive, 0.4 mile north of Coombsville Road east of Napa. 0 Comment
  JEPS120404  Paxistima myrsinites Jake Ruygt 1995-4-9 3423 Napa Van Ness Canyon near feeder creek to Van Ness Creek Comment
  JEPS129131  Pectocarya penicillata Jake Ruygt 2012-4-28 5832 Napa Crystal Flats, west of Putah Creek. Aetna Springs 7.5' Quad. Comment
  JEPS68193  Pectocarya penicillata W. L. Jepson 1893-5-1 21224 Napa w Calistoga Comment
  JEPS10349  Pedicularis densiflora Alice King July, 1919 Napa Van Ness Ranch; Mount St. Helena Comment
  JEPS10357  Pedicularis densiflora Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Peak Comment
  SEINET3872924  Pellaea andromedifolia Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 143 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  UCD20913  Pellaea andromedifolia V. (Shorty) Boucher 2002-3-27 4 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  CAS-BOT-BC71384  Pellaea mucronata Peter H. Raven 1954-1-22 6387 Napa Soda Springs Canyon just north of the Resort 213 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
  RSA10641  Penstemon newberryi var. sonomensis Carl B. Wolf 1928-5-4 1849 Napa Upper slopes of Mount St. Helena. Comment
  CHSC31986  Pentagramma triangularis L. Ahart 1976-3-7 1029 Napa S of the rd above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  UCD137752  Pentagramma triangularis Katherine Pinney 1975-4-15 32 Napa Wragg Canyon, 2.5 miles east of Wragg Canyon Road on Highway 128. 259 Comment
  CAS-BOT-BC71673  Pentagramma triangularis subsp. triangularis John H. Thomas 1955-5-21 5149 A Napa Along State Highway No. 128, about 4.5 miles south of Menticello 167 Comment
  CAS-BOT-BC71677  Pentagramma triangularis subsp. triangularis Betty H. Johnson 1958-6-20 275 Napa above Old Toll Road, ca. 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  UCR198039  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road 488 Comment
  UC20891  Perideridia kelloggii Willis L. Jepson 1892-6 Napa Zem Zem Mountain Region of Clear Lake Comment
  SBBG11769  Phacelia distans H. and M. Dearing 1939-5-3 3270 Napa Sage Cyn near Rutherford Comment
  UC131533  Phacelia imbricata C. F. Baker 1903-4-20 2604 Napa Mt. St. Helena Comment
  UC1301154  Phacelia imbricata Helen K. Sharsmith 1963-3-17 5236 Napa hillsides along Silverado Trail San Francisco Bay Region 76 Comment
  UCD120586  Phacelia imbricata Alan P. Godlewski 1974-5-3 20 Napa West of Lake Berryessa, approx. 75 yds from Highway 128. Comment
  SD72097  Phacelia nemoralis John Thomas Howell 1937-7-4 13061 Napa Looden Valley Grade. Comment
Read comments
May 31 2018
  UC187259  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC265791  Phalaris aquatica Peter H. Raven 1951-6-24 3034 Napa Napa 30 Comment
  JEPS122961  Phalaris aquatica Jake Ruygt 1982-6-29 1343 Napa 0.6 mile south of Yountville on Highway 29. Quad: Yountaville. Comment
  UCD73505  Phalaris minor Ayzik Solomeshch 2007-5-28 s. n. Napa NW of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 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
  UCD167204  Phlox gracilis Jake Ruygt 1986-3-14 1643 Napa north of Highway 12 near Sonoma county line. 106 Comment
  JEPS56135  Phoradendron densum Donald V. Hemphill 1968-7-13 Napa sw Lake Berryessa; Cedar Roughs 609 Comment
  UCD149584  Phyla nodiflora 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
  CHSC102533  Physalis lancifolia Lowell 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. 130 Comment
  SBBG50615  Physocarpus capitatus R. A. Christison 1960-4-24 51 Napa 2 mi below jct of Silverado Rd with Glass Mtn Rd 15 Comment
  UC466696  Physocarpus capitatus H. P. Chandler 1907-5-12 7565 Napa White Sulphur Spring St. Helena Comment
  UCD167239  Phytolacca americana Jake Ruygt 1992-8-6 3118 Napa Yountville Ecological Reserve, Yountville Cross Road. 25 Comment
  SFV5083  Pickeringia montana B. C. Templeton 1957-6-27 s. n. Napa About 3 miles up Trinity Road near the junction to Oakville. Comment
  UCD164735  Pickeringia montana Jake Ruygt 2014-6-23 6014 Napa Sutro Ranch, Atlas Peak. 544 Comment
  RSA176554  Pickeringia montana var. montana Peter H. Raven 1962-5-31 17917 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  JEPS103973  Pilularia americana Jake Ruygt 1990-4-23 2504 Napa Wild Horse Valley Ranch at vernal pool 472 Comment
  UCD147464  Pilularia americana Ellen Dean; Diana Hickson 2014-4-29 8077 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  RSA15670  Pinus attenuata C. B. Wolf 1928-2-25 1501 Napa Mt. St. Helena 1 mile beyond summit on road to Middletown. Comment
  UC766769  Pinus attenuata R. F. Hoover 1941-4-27 4949 Napa e side of Mt. St. Helena Mt. St. Helena Comment
  UC796589  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa 1.5 mi from summit Mount St. Helena (along forest road) 1066 Comment
Read comments
Oct 2 2012
  UCD133139  Pinus attenuata Beecher Crampton 1962-5-16 6431 Napa 0.5 mile W of Aetna Springs. Comment
  JEPS120365  Pinus lambertiana Jake Ruygt 1981-4-25 1001 Napa Oat Hill hear Lake County Line. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC72812  Pinus sabiniana James L. Reveal 1987-6-7 6405 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, 243 Comment
  JEPS46897  Pinus sabiniana W. L. Jepson 1901-8-1 Napa St. Helena Comment
  RSA785707  Pinus sabiniana Carrie A. Herd 1982-5-9 99 Napa Sage Canyon Road, Con Dam area Comment
  UC1600395  Pinus sabiniana W. L. Jepson 1896-1 Napa St. Helena Comment
  JEPS120443  Piperia transversa Jake Ruygt 1992-5-20 2995 Napa West of Leoma Lakes, Wild Horse Valley Ranch (Beuhler). Comment
  UC55922  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1843 Napa near Calistoga (Napa Valley); Napa Valley 91 Comment
  SBBG117336  Plagiobothrys fulvus B. Crampton 1955-4-7 2436 Napa 7.8 mi N of Monticello Comment
  UCD35288  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Napa County; 7.8 miles north of Monticello. Comment
  JEPS129161  Plagiobothrys greenei Jake Ruygt 2015-3-28 6062 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  UCD164866  Plagiobothrys greenei Jake Ruygt 2012-4-21 5826 Napa Crystal Flats, west of Putah Creek. 259 Comment
  JEPS68063  Plagiobothrys nothofulvus W. L. Jepson 1897-5-2 21158 Napa St. Helena Comment
  UCD147458  Plagiobothrys stipitatus var. micranthus Ellen Dean; Diana Hickson 2014-4-29 8071 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UC881353  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  JEPS68151  Plagiobothrys tenellus Willis L. Jepson 1893-4-28 21159 Napa plateau n Mt. George; Napa River Basin, Napa Range Comment
  UC1245375  Plagiobothrys tenellus Joseph P. Tracy 1950-5-23 18669 Napa dry gravelly flats Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  JEPS41076  Plagiobothrys tener var. subglaber Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9101 Napa ca 7 mi se Knoxville (at head of Devilhead Road, at center of Cedar Valley); Cedar Valley 579 Comment
  UC881357  Plagiobothrys tener var. subglaber Milo S. Baker 1936-4-8 8176 Napa on road to Lower Lake ca 2 mi n Knoxville Comment
  JEPS85016  Plagiobothrys tener var. tener Larry Heckard and Mary Ashton 1969-5-3 2228 Napa ca 7 mi ne Napa (off Atlas Peak Rd., ca 1/2 mi ne of ranch house); Mead Ranch 457 Comment
  UCD124497  Plantago erecta G. L. Webster 1967-3-23 7491 Napa ca. 1 mile south of Spanish Flat. 167 Comment
  UCD18176  Plantago erecta Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  SEINET5735104 Image available Plantago erecta Carol Moore 1974-1 12 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  UC585983  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knight's Valley road); Northern Coast Ranges 213 Comment
  UCD15037  Plantago hookeriana Lorraine Clarke 1977-4-16 14 Napa California, Napa Co.; along Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam; Comment
  JEPS110776  Platystemon californicus Jake Ruygt 1979-4-6 490 Napa 2.3 miles north of Howell Mtn. Rd. on Butts Canyon Rd. 225 Comment
  JEPS110777  Platystemon californicus Jake Ruygt 1996-5-4 3642 Napa Butts Canyon Road at James Creek Road; field to SE. 210 Comment
  RSA264959  Platystemon californicus var. californicus George E. Johnston 1974-4-4 6115 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  UC912466  Plectritis brachystemon A. E. Borell 1928-4-13 130 Napa 10 mi s of Petaluma Comment
  HSC21697  Plectritis ciliosa Greg Bos 1963-3-30 56 Napa 1 mi. S of Middletown on Butts Canyon Rd. 335 Comment
  JEPS5140  Plectritis ciliosa subsp. ciliosa R. Kuhn 1912-4-10 Napa Oakville Comment
  UC999811  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 710 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  UC999824  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 691 Napa Lower Lake Road Comment
  POM263492  Plectritis ciliosa subsp. insignis J. C. Roos 1939-3-27 263 Napa Pope Valley Comment
  OBI78496  Plectritis congesta Bacigalupi & Dempster, Dempster 1954-5-10 4449 Napa 4.2 mi N of Wooden Valley on Monticello Rd Comment
  JEPS5124  Plectritis macrocera Miss R. Kuhn 1912-4-10 Napa Oakville Comment
  UCD37527  Pleuropogon californicus Beecher Crampton 1955-3-14 2318 Napa Napa County, 5-6 miles southeast of Calistoga, Upper Napa Valley, along Silverado Trail Highway. Comment
  CAS-BOT-BC260958  Pleuropogon californicus var. californicus Peter H. Raven 1957-5-5 10748 Napa Near hot springs, Calistoga 91 Comment
  SEINET10611516  Pleuropogon californicus var. californicus A. Arthur Heller 1924-4-12 Heller 13851 Napa Stiff clay soil near the mound at one of the hot springs, Calistoga. Comment
  UCD149703  Poa bulbosa 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
  JEPS122931  Poa howellii Jake Ruygt 1984-5-5 1542 Napa Bell Canyon Creek. Quad: Saint Helena. Comment
  SEINET11424613  Poa napensis Unknown 1967-1 Napa Calistoga [N of] Comment
  RSA129899  Poa pratensis P. H. Raven 1951-5-26 2890 Napa Howell Mountain above Pope Valley 305 Comment
  RSA10674  Poa secunda C. B. Wolf 1928-5-3 1814 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD112243  Poa secunda Christopher Mallek 2008-5-12 AS2- 15 Napa Aetna Springs. 668 Comment
  UCD18067  Poa secunda subsp. secunda Ellen Dean; with Plant Biology 102 class 2000-4-22 622 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., E side of Devil Head Rd., along road to air quality station. 548 Comment
  RSA83437  Pogogyne douglasii J. T. Howell 1929-5-30 4278 Napa 3 miles from Pope Valley Store on road to Pope Creek Canyon, Napa Range Comment
  UC1279971  Pogogyne douglasii Peter H. Raven 1957-5-5 10749 Napa near geysers, Calistoga Comment
  SEINET9289847  Pogogyne serpylloides Unknown 1993-5-1 10972 Napa Napa Co., CA Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  JEPS43012  Polygala californica Elizabeth Ferguson 1920-5-15 353 Napa Toll Road Mt. St. Helena Comment
  CHSC102524  Polygonum arenastrum Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC109159  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Howell Mountain. Comment
  JEPS50583  Polygonum bolanderi Willis L. Jepson 1893-9-21 14791 Napa Wooden Valley grade Napa River Basin Comment
  OBI10869  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Mt. Howell Comment
  UC6671  Polygonum bolanderi Bolander 1863-9-20 2649 Napa e Napa Valley; ; among rocks near Napa in field notes Comment
  POM192997  Polygonum californicum H. P. Bracelin 118 Napa 1 mile of Etua Springs Comment
  UC1299692  Polygonum hydropiper Freed W. Hoffman 1946-8-20 1264 Napa below Conn Lake Dam; North Coast Ranges Comment
  JEPS112593  Polygonum hydropiperoides Jake Ruygt 1991-7-20 2771 Napa Lake Orville, Friesen's Lakes, Angwin 563 Comment
  CDA34675  Polygonum lapathifolium L. Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS112595  Polygonum lapathifolium Jake Ruygt 1969-12-31 2837 Napa Buchli Station, DFG Huichica Creek prop. 1 Comment
  JEPS112589  Polygonum parryi Jake Ruygt 1992-5-20 2985 Napa south of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  RSA170233  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  CAS-BOT-BC419846  Polygonum patulum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River Comment
  RSA26174  Polygonum patulum J. T. Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River. Comment
  OBI10872  Polygonum spergulariiforme Robert F. Hoover 1966-8-23 9920 Napa E side of Mt St Helena Comment
  SEINET3153012  Polypodium californicum R. H. Platt 1898-3-24 sn Napa Vaca Mts. Comment
  JEPS116556  Polypodium calirhiza Jake Ruygt 2000-4-3 4229 Napa Henry Road, Henry Ranch, Carneros Valley. Napa 7.5' Quad. Comment
  JEPS116558  Polypodium calirhiza Jake Ruygt 1978-3-8 234 Napa 4.8 miles NE of Atlas Peak Road on Monticello Road. 7.5' Mount George Quad. Comment
  CAS-BOT-BC76855  Polypodium calirhiza Peter H. Raven 1954-1-22 6380 Napa Sulphur Springs Resort, west of St. Helena. 121 Comment
  UC1440073  Polypodium calirhiza Alan Smith 1976-11-23 691 Napa Glass Mt. Rd. Comment
  HSC26626  Polypogon interruptus J. P. Smith, J. O. Sawyer 1970-5-17 3776 Napa 3 mi. S of Pope Valley Comment
  UCD91027  Polypogon interruptus R. Tofsrud 1941-6-1 23 Napa Few miles south of Calistoga. Comment
  CAS-BOT-BC237254  Polypogon monspeliensis Doris K. Kildale 1928-5-8 5044 Napa 3 miles W of Napa-Solano county line Comment
  CAS-BOT-BC72344  Polystichum imbricans subsp. imbricans Betty H. Johnson 1958-6-20 664 Napa near Mt. Mill House, 6.4 mi. S.W. of Middletown Comment
  CAS-BOT-BC72464  Polystichum munitum Elsa G. Ruckert 1960-3-26 45 Napa 6495 Dry Creek Road, field to right of private road leading in to property 365 Comment
  HSC1145  Polystichum munitum C. B. Wolf 1928-5-3 1846 Napa At the summit of the Mt. St. Helena Grade, Mt. St. Helena Comment
  CDA790  Potamogeton crispus Steve Bardessono 1961-6-2 Napa Berryessa Marina, Lake Berryessa. 0 Comment
  CAS-BOT-BC454038  Potamogeton pusillus subsp. pusillus Elsa Ruckert 1960-5-20 156 Napa 6495 Dry Creek Road, 300 yards southeast of house. 365 Comment
  JEPS122748  Proboscidea lutea Jake Ruygt 2006-9-10 5100 Napa West side of Highway 29, south of Darms Lane. Quad: Napa. Comment
  UCD116990  Prosartes hookeri Jillian Howard; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. 0.25 road miles on dirt road that starts north of fire station. South side of road. 520 Comment
  JEPS112641  Prunella vulgaris var. lanceolata Jake Ruygt 1982-6-29 1346 Napa .3 mile south of Old Bale Mill on east side of HWY 29 88 Comment
  UCD96185  Prunus cerasifera Ellen Dean; with Clare Loughran 2011-5-20 7071 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
  UCR23507  Prunus subcordata John C. Roos 1939-3-31 307 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS106911  Pseudognaphalium microcephalum Jake Ruygt 1988-8-14 2228 Napa Adams Ridge, Adams Creek area 548 Comment
  JEPS120419  Pseudognaphalium microcephalum Jake Ruygt 2010-8-21 5745 Napa Buzzard's Roost, west slope above Staggs Leap. Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  POM21753  Pseudotsuga menziesii D. O. Hunt 1899-2-26 s.n. Napa Glass Mountain, St. Helena. Comment
  JEPS48292  Pseudotsuga menziesii var. menziesii W. L. Jepson 1900-3-10 511 Napa Howell Mt. Comment
  CAS-BOT-BC361893  Psilocarphus tenellus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6664 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  UCD170453  Psilocarphus tenellus Daniel Potter; Ninh Khuu 2016-6-8 882 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  CAS-BOT-BC72605  Pteridium aquilinum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, Mt. Veeder Comment
  JEPS77934  Quercus X morehus Edward Lee 1935-12-1 1679 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
  UCD47020  Quercus X morehus John M. Tucker 1982-5-9 4473 Napa (Q. kelloggii Newb. X Q. wislizenii A.DC.). California, Napa Co.l summit of Blue Ridge, northwest of Vacaville, 1 mi. north of the head of Mix Canyon Road. (On the west side of the road, hence in Napa Co.). 792 Comment
  UCR88371  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa Quail Ridge Reserve, near Lake Berryessa. 146 Comment
  JEPS84698  Quercus agrifolia John W. Willoughby 1976-5-18 1684 Napa w side Blue Ridge (not far below the top, latitude about that of Mount Vaca); Vaca Mountains 762 Comment
  UCD45050  Quercus agrifolia David Lawfer 1952-3-30 140 Napa Pasture, Napa, Napa County, California. Comment
  CAS-BOT-BC532605  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs Comment
  SBBG111411  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 -8 Napa Hwy 28, 7.7 mi (by rd) W of jct with Hwy 37; above Sage Crk Comment
  UCD14830  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -3 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45854  Quercus berberidifolia Thomas Morley 1941-5-11 128 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Elevation 461 feet. 140 Comment
  UCD73430  Quercus berberidifolia 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
  UCD92280  Quercus berberidifolia D. Q. Cavagnaro 1963-10-18 224 Napa 0.4 miles west of Monticello Dam. 30 Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  JEPS116527  Quercus chrysolepis Jake Ruygt 1998-6-15 4028 Napa Mount Saint Helena, SW peak. Detert Reservoir 7.5' Quad. 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
  UCD45344  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Capell Creek. 350 Comment
Read comments
Nov 3 2006
  UCD83394  Quercus chrysolepis Jake Ruygt 1991-5-4 2636 Napa Friesen's Lakes, Lake Henne. 548 Comment
  SEINET12034303  Quercus chrysolepis Unknown 1942-1 s.n. Napa Calistoqo Comment
  JEPS37394  Quercus douglasii Willis L. Jepson 1901-8-6 1721 Napa Howell Mt. grade Napa River Basin Comment
  UC993145  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD162119  Quercus douglasii Dylan O. Burge 2014-3-15 1497 Napa Mount Saint Helena. 670 Comment
  CLARK-A1528-2918  Quercus douglasii John C. Roos 1939-3-27 280 Napa Angwin Comment
  CAS-BOT-BC86435  Quercus dumosa John Thomas Howell 1933-8-27 11647 Napa E of Chiles Valley on road to Winters, Napa Range Comment
  CDA21880  Quercus durata T. Kono 1968-3-1 Napa Highway 128, 12.9 miles east of Rutherford. 0 Comment
  JEPS116526  Quercus durata Jake Ruygt 2002-9-4 4453 Napa Northwest side of Atlas Peak. Yountville 7.5' Quad. Comment
  UCD118733  Quercus durata Katherine Graham; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD14806  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -4 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14818  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -7 Napa California, Napa Co.; below Conn Valley Dam, 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
  UCD45893  Quercus durata D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  HSC96007  Quercus durata var. durata D. Sanchez-Mata 1996-6-22 Napa Capell Valley, in Capell Creek 380 Comment
  SBBG25324  Quercus durata var. durata B. Rice 1965-5-15 68 Napa Devilshead Rd, 5 mi N of Cedar Valley 487 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
  UCD45943  Quercus durata var. durata Thomas Morley 1941-5-11 129 B Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  UCD48033  Quercus durata var. durata E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 6 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCR219490  Quercus durata var. durata Jake Ruygt 1980-4-22 854 Napa Devilshead Road 476 Comment
  CAS-BOT-BC94258  Quercus garryana John M. Tucker 1952-9-20 2626 Napa road up Mt. St. Helena (Highway 29) 5.2 mi (by road) N of Calistoga Comment
  UCD148750  Quercus garryana Jake Ruygt 1999-5-14 4152 Napa Napa County; Lake Hinman, west of Yountville Veteran's Home. 109 Comment
  JEPS37824  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6830 Napa Howell Mt. Comment
  UCD46115  Quercus garryana var. garryana John M. Tucker 1952-9-20 2626 Napa California, Napa Co.; road up Mt. St. Helena (Highway 29) 5.2 mi (by road) north of Calistoga. Comment
  CAS-BOT-BC105299  Quercus kelloggii Alice Eastwood 1918-5-1 6820 Napa Mt. St. Helena Comment
  CAS-BOT-BC105300  Quercus kelloggii Alice Eastwood 1922-5-14 11314 Napa Mt. St. Helena Comment
  CAS-BOT-BC105302  Quercus kelloggii Elsa G. Ruckert 1960-4-2 59 Napa 6495 Dry Creek Road, woods SW of house 300 yards 365 Comment
  JEPS37762  Quercus kelloggii Willis L. Jepson 1901-11-17 1752 Napa St. Helena Napa River Basin Comment
  SEINET265714  Quercus kelloggii Royal D. Suttkus 1967-6-26 67- 30 -8 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD46705  Quercus kelloggii W. L. Jepson 1900-3-8 505 Napa St. Helena, Napa River Basin. Comment
  CAS-BOT-BC62876  Quercus lobata Peter H. Raven 1951-6-24 s.n. Napa Napa-Brown's Valley 152 Comment
  SACT002665  Quercus lobata John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of the Blue Ridge, in foothill woodland on the north side of the flat. 609.6 Comment
  UC615360  Quercus lobata Beryl O. Schreiber 1932-4-3 201 Napa road to Calistoga Comment
  CAS-BOT-BC104981  Quercus wislizeni Peter H. Raven 1951-8-20 3860 A Napa East Point, near Lokoya 609 Comment
  UCD149631  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam area at Route 128. Comment
  UCD47630  Quercus wislizeni var. frutescens G. F. Hrusa; G. L. Stebbins 1994-5-11 11609 Napa Poorly drained rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin on Howell Mtn. 520 Comment
  CAS-BOT-BC362431  Rafinesquia californica Peter H. Raven 1951-5-20 2853 Napa Hills w. Oakville 548 Comment
  UCD144652  Rafinesquia californica Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC9501  Ranunculus californicus Willis L. Jepson 1896-2-22 Napa Stone Bridge Hill Napa River Basin Comment
  CAS-BOT-BC378489  Ranunculus californicus var. californicus Elsa G. Ruckert 1960-4-24 115 Napa 6495 Dry Creek Road; road leading in to property and meadows to left and right 365 Comment
  CLARK-A1528-3878  Ranunculus hebecarpus John C. Roos 1939-4-1 264 Napa Comment
  POM182737  Ranunculus hebecarpus D. D. Keck 1931-4-2 1048 Napa 4 miles S of Monticello, eastern Napa County. Comment
  JEPS110874  Ranunculus lobbii Jake Ruygt 1992-3-18 2854 Napa Wild Horse Valley Ranch north of the polo field 472 Comment
  UCD159791  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  UCD17979  Ranunculus muricatus Ellen Dean; with Plant Biology 102 class 2001-4-14 704 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
  RSA638890  Ranunculus muricatus J. A. J.ohnston 1995-5-7 3 Napa Hwy 128, 1 mile W of Markley Cove on Lake Berryessa. 38Y'30'N, 122Y'0'W, alt 700m 700 Comment
  UC1607872  Ranunculus occidentalis C. G. Nast 1936-3-27 54 Napa Berryessa Valley 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
  JEPS55062  Ranunculus orthorhynchus var. bloomeri Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  JEPS48652  Ranunculus orthorhynchus var. bloomeri Elsa Kraeger 1926-4-4 Napa near Soscal (railroad station near Napa) Comment
  POM149990  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga. Comment
  UCD160036  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  UCD116484  Reseda luteola K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD54552  Reseda luteola Ellen Dean 2005-10-12 2740 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  UCD116487  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 miles N of Calistoga. Comment
  UCD159528  Rhagadiolus stellatus D. S. Park 2011-4-11 277 -1 Napa Redwood Canyon. Off Redwood Rd. Comment
  CAS-BOT-BC362892  Rhagadiolus stellatus Alice Ackley; Marie Taylor 1978-3-28 s.n. Napa Triniti Road Comment
  RSA7791  Rhamnus californica Carl B. Wolf 1928-5-3 1844 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UC592776  Rhamnus californica subsp. californica unknown 1928-5-4 1856 Napa upper slopes of Mt. St. Helena Mt. St. Helena Comment
  JEPS42003  Rhamnus crocea W. L. Jepson 1915-12-5 6587 Napa Adam-and-Eve Ridge Howell Mt. Comment
  SBBG50632  Rhamnus crocea J. Stroud 1964-5-8 17 Napa E of State Hwy 128, ca. 3 mi SW of Monticello Dam Comment
  UCD38857  Rhamnus crocea Beecher Crampton 1962-10-9 6694 Napa 3.5 miles southwest Angwin, Howell Mtn. Road. Comment
  UC668155  Rhamnus tomentella subsp. crassifolia Joseph P. Tracy 1938-6-6 15834 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  CDA29137  Rhododendron occidentale D. G. Kelch, Daniel Weinstein 2009-6-21 9 .444 Napa Near Skyline Park. Comment
  JEPS77766  Rhododendron occidentale Douglas W. James Jr. 1973-5-5 108 Napa 1.3 miles up (Northwest) Chiles and Pope Valley Road from junction with Lower Chiles Road. 213 Comment
  RSA786871  Rhododendron occidentale Carrie A. Herd 1982-5-9 102 Napa Marker 0.571 Napa Comment
  UC1017696  Rhododendron occidentale Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 mi ne of Napa Comment
  UCD117983  Rhododendron occidentale W. R. Russell 1953-5-5 s.n. Napa Chiles Valley. Comment
  UCD20765  Rhododendron occidentale M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 115 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. Along Hunting Creek 100 yards upstream of junction with Sensitive Plant Canyon. 624 Comment
  UCR148773  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 a Napa Butts Canyon Rd. along both sides of Butts Creek 217 Comment
  CDA38891  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd. along both sides of Butts Creek. Lake County line to 500' southeast of county line, predominately on southwest bank, a few on northeast bank. 0 Comment
  SEINET6165491 Image available Rhododendron occidentale Unknown 1981-5-18 s.n. Napa 9.9 mi S of middleton, down Butts Canyon Rd. Comment
  CAS-BOT-BC200649  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pope Creek Canon [Canyon] Comment
  CAS-BOT-BC433100  Ribes John H. Thomas 1955-5-21 5098 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC433099  Ribes L. R. Abrams 1928-5-3 12256 Napa Summit St. Helena Grade Comment
  JEPS49319  Ribes californicum Willis L. Jepson 1893-5-2 13511 Napa Mts. e Calistoga (Pope Valley grade) Comment
  UC11499  Ribes californicum Willis L. Jepson 1893-5-2 Napa near Palisades; Napa River Basin, New Pope Valley grade Comment
  CAS-BOT-BC168938  Ribes malvaceum Peter H. Raven 1953-2-21 5195 Napa Steel Canyon 213 Comment
  JEPS49466  Ribes roezlii var. cruentum Willis L. Jepson 1893-5-5 13523 Napa below Toll-House (Middleton grade); Napa River Basin, Mt. St. Helena Comment
  JEPS126025  Ribes sanguineum var. glutinosum Jake Ruygt 1982-3-22 1139 Napa Marie Creek, Skyline Park. Mount George 7.5' Quad. 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
  UCD167046  Ribes victoris Jake Ruygt 1988-4-11 2146 Napa Newell Canyon. 158 Comment
  HSC83455  Rigiopappus leptocladus G. Holstein 1977-5-11 Napa Edge of highway, along Hwy. 128, 0.2 mi. S of intersection with Barryessa-Knoxville Rd., Capell Valley Comment
  JEPS106904  Rigiopappus leptocladus Jake Ruygt 1998-5-11 3961 x Napa Greeg Mountain 445 Comment
  SD125483  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa along state Highway 128, 0.2 miles south of intersection with Berryessa-Knoxville road, Capell Valley Comment
  CAS-BOT-BC363049  Rigiopappus leptocladus David D. Keck 1933-5-29 2341 Napa Pope Creek Bridge, south of Walters Springs. South wall of Pope Creek Canyon Comment
  SEINET5708897 Image available Rigiopappus leptocladus Glen Holstein 1977-1 s.n. Napa Along State Hwy 128, 0.2 miles south of intersection with Berryessa-Knoxville Road, Capell Valley.; Capell Valley Comment
  UC165855  Rigiopappus leptocladus J. P. Tracy 1899-6-13 421 Napa Chamiso ridge Howell Mountain 457 Comment
  SEINET5763310 Image available Rorippa curvisiliqua E. L. Greene 1893-1 s.n. Napa Dry Creek Comment
  CHSC103005  Rorippa curvisiliqua var. orientalis Lowell Ahart 2009-10-12 16434 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC148156  Rosa gymnocarpa Peter H. Raven 1964-5-9 19055 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC148157  Rosa gymnocarpa Elsa G. Ruckert 1960-5-7 143 Napa Wall Road, 1/4 mile from junction with Dry Creek Road 365 Comment
  UC1281126  Rosa gymnocarpa H. E. McMinn 1936-4-4 4381 Napa about six mi from Angwin (Howell Mt. to Pope Valley, road to Middletown) Comment
  JEPS112568  Rosa spithamea Jake Ruygt 1989-5-20 2338 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 798 Comment
  POM275408  Rosa spithamea Lyman D. Benson 1929-9-30 1931 Napa N side Mt. St. Helena. Mayacamas Mtns. Putah Creek watershed. 762 Comment
  SEINET11910992  Rosa spithamea F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -312 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  JEPS120354  Rumex transitorius Jake Ruygt 1996-11-19 3800 Napa California Boulevard at Trancas, along railroad tracks. Napa 7.5' Quad. Comment
  UC1197439  Rupertia physodes Joseph P. Tracy 1933-6-2 12487 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 396 Comment
  CDA27811  Rupertia physodes H. Stabo 1959-5-5 Napa Francher s Ranch, near Sanitarium area. 0 Comment
  CDA24079  Sagina procumbens Gene Cornett 1963-5-21 Napa Mid City Nursery, 3635 Broadway, Vallejo. 0 Comment
  RSA8371  Salix I. L. Wiggins 1932-3-12 5752 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC103228  Salix bonplandiana Peter H. Raven 1953-4-2 5228 Napa Imola 60 Comment
  CAS-BOT-BC108666  Salix breweri John Thomas Howell 1931-4-3 6149 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  CAS-BOT-BC108667  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon Road to Middletown. Comment
  POM180777  Salix breweri J. T. Howell 1930-10-19 5629 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
Read comments
Mar 6 2011
  UC481209  Salix breweri Ball, Bracelin, Parks and Parks 1931-4-21 26 Napa near junction with St. Helena Creek (about 6 km s of Middletown, about 120 m above creek mouth); Mirabel Creek 420 Comment
  JEPS38366  Salix exigua W. L. Jepson 1903-9-6 2339 Napa near St. Helena; Napa River Basin Comment
  POM202753  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC108193  Salix hindsiana Ira L. Wiggins 1932-3-12 5755 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  JEPS38399  Salix laevigata Willis L. Jepson 1893-5-8 20 s Napa beyond Angwin's Howell Mt. Comment
  UC1196585  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1933-4-30 12119 Napa Angwin Creek Northern Coast Ranges, Howell Mt., Angwin Creek 457 Comment
  JEPS13057  Salix lasiandra var. lasiandra W. L. Jepson 1893-5-8 29 s Napa beyond Angwin's Howell Mt.; Napa River Basin, Howell Mt. Comment
  UCD164815  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, south side of Napa River. 85 Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC519393  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  UCD73517  Salix lasiolepis Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD164808  Salix lasiolepis Jake Ruygt 2007-2-18 5118 Napa Moore Creek. Las Posadas State Forest. 362 Comment
  UCD164811  Salix lasiolepis Jake Ruygt 1996-5-11 3660 Napa SE of Suscol; Napa Sanitation District. 3 Comment
  UCD164812  Salix lasiolepis Jake Ruygt 1990-3-25 2447 Napa Napa River east of Stonehouse Drive. 4 Comment
  CAS-BOT-BC124419  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Ualtis Creek, Weldon Canyon, slope in Vaca Mts. Comment
  UCD144655  Salvia columbariae Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD68004  Sambucus mexicana Bill Wengeler 1995-4-30 S.N. Napa Highway 128, 0.2 miles West of Monticello Dam, above Lake Berryessa. Found on open hillside overlooking the lake. Shrub, 10 ft. high. Flowers, cream, flat-topped inflorescence. 158 Comment
  UCD102769  Sambucus nigra subsp. caerulea Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
  UCD137688  Sambucus nigra subsp. caerulea Andreas Stohr 1996-4-21 4 Napa on Road 128, on cliff above Putah Creek. 100 Comment
  UCD137700  Sambucus nigra subsp. caerulea M. R. Wanzer 1948-5-6 19 Napa Putah Creek canyon, 12 miles west of winters. Comment
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 Comment
  JEPS129017  Sanicula bipinnata Jake Ruygt 2016-5-7 6239 -X Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC223274  Sanicula bipinnatifida E. Ruckert 1960-4-29 121 Napa Wall Road, 1/2 mile west from juncture of Dry Creek Road 396 Comment
  JEPS223  Sanicula bipinnatifida W. L. Jepson 1915-4-23 6267 Napa Chiles Creek hills Napa Range Comment
  UCD149699  Sanicula bipinnatifida Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD48499  Sanicula bipinnatifida L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 17 Napa Southwestern end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 10 feet N of stream. 152 Comment
  UCD117806  Sanicula crassicaulis Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In field on south side of road. 519 Comment
  UCD18157  Sanicula crassicaulis Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD95923  Sanicula laciniata Ellen Dean; with Clare Loughran 2011-5-20 7056 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UC566847  Sanicula laciniata Herbert L. Mason 1926-3-22 Napa Petrified Forest Comment
  UCD148554  Sanicula tuberosa Jake Ruygt 1979-4-23 550 Napa Napa County; 0.3 mile west of Pope Canyon Rd. Howell Mt. 256 Comment
  UCD163271  Sanicula tuberosa D. Slakey; CNPS Volunteers 2015-4-25 116 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  JEPS81600  Saxifraga californica R. Raiche 1982-3-7 20192 Napa 1.3 mi n of Sage Canyon Road (on Chiles and Pope Valley Road) Comment
  SEINET10333154  Schoenoplectus acutus A. A. Beetle 1940-5-5 1586 Napa One mile north of County Line on road from Vallejo to Napa Comment
  CAS-BOT-BC21127  Schoenoplectus acutus var. occidentalis Peter H. Raven 1951-9-9 3910 Napa Slaughterhouse Pt., Napa River. 0 Comment
  UCD170375  Schoenoplectus acutus var. occidentalis Daniel Potter; N Khuu, K Battenberg 2016-4-30 872 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road. 266 Comment
  CAS-BOT-BC111472  Schoenoplectus americanus Peter H. Raven 1952-8-26 5139 Napa Salt marshes near Bentley Wharf. 15 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
  JEPS121366  Scirpus californicus Jake Ruygt 1996-5-11 3658 Napa SE of Suscol; Napa Sanitation District; Somky Ranch. Comment
  JEPS121372  Scirpus pungens var. longispicatus Jake Ruygt 1986-7-5 1866 Napa Hunting Creek near campground Comment
  POM261557  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  RSA170259  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UCD92539  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau. Howell Mountain. At head of Moore's Creek, 3.4 miles east of Angwin's. Comment
  UCD20735  Scutellaria californica Ellen Dean; w/ Mark Bibbo 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. 190 Comment
  UC1562603  Scutellaria siphocampyloides Barbara Ertter with Annetta Carter 1989-5-28 8504 Napa 4.7 mi s of Knoxville tunnel (Berryessa-Knosxville Road n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  JEPS62903 Image available Scutellaria siphocampyloides W. L. Jepson 1938-6-8 18903 Napa Butts Canyon Butts Canyon Comment
  POM63106  Scutellaria siphocampyloides C. F. Baker 1903-5-8 2970 Napa Knoxville. Comment
  UC154011  Scutellaria tuberosa Joseph P. Tracy 1902-5-21 1578 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  JEPS120411  Secale cereale Jake Ruygt 2009-5-15 5409 z Napa Hwy 12, Jameson Canyon, 1/4 w of county line. Comment
  CAS-BOT-BC417001  Sedella pumila Belle Richardson Jackson 1923-5-10 s.n. Napa unspecified Comment
  CAS-BOT-BC417005  Sedella pumila A. A. Heller; H. E. Brown 1902-4-25 5360 Napa near Napa Comment
  CAS-BOT-BC69713  Selaginella wallacei John Thomas Howell 1926-3-21 1737 Napa Old toll road to Mt. St. Helena. Comment
  JEPS79404  Selaginella wallacei Edward Lee 1935-12-1 1669 Napa s side of road to Monticello (Wooden Valley grade, on land of F. Gagerro); Howell Mts., Sarco Creek Comment
  POM197729  Selaginella wallacei John Thomas Howell 1930-3-23 4557 Napa E of Mt St Helena Inn, near Mt St Helena. Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 Comment
  JEPS37181  Senecio flaccidus var. douglasii W. L. Jepson 1894-10-13 Napa Conn Creek, mouth of Conn Valley Conn Valley Comment
  CAS-BOT-BC85824  Sequoia sempervirens Peter H. Raven 1954-1-22 6382 Napa Near Sulphur [Sulfur] Springs Resort, west of St. Helena 30 Comment
  SEINET5607927 Image available Sequoia sempervirens Richard Vanderwall Unknown Napa Calistoga Comment
  CAS-BOT-BC243632  Setaria pumila Peter H. Raven 1952-9-14 5184 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC240239  Setaria viridis John H. Thomas 1966-5-8 11593 Napa At Louis Martini Winery, near St. Helena Comment
  UCD92839  Setaria viridis Beecher Crampton 1964-8-18 7152 Napa 2 miles north of Calistoga Tubbs Lane, entrance to Old Faithful Geyser. Comment
  UC28464  Sherardia arvensis H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD167285  Sidalcea calycosa subsp. calycosa Jake Ruygt 1983-5-1 1452 Napa Suscol Ridge near PG and E substation. 22 Comment
  JEPS50095  Sidalcea diploscypha W. L. Jepson 1938-5-22 18822 Napa Snell Valley Comment
  RSA195296  Sidalcea hartwegii Gilbert Muth 1967-5-17 674 Napa Oat Hill Road, Calistoga 244 Comment
  UC871453  Sidalcea hartwegii M. S. Jussel 1937-5-23 Napa Palisades Comment
  UCD116728  Sidalcea hartwegii T. Adams 1998-5-10 9 Napa about 3 miles up Soda Canyon Road, across the road from the 'Soda Hole. 198 Comment
  UCD167291  Sidalcea hirsuta Jake Ruygt 2007-5-10 5171 Napa G.I. Landfill site, Butts Canyon Road about 3 miles south of Middletown. 335 Comment
  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
  UCD116626  Sidalcea keckii Robert E. Preston 1988-4-10 582 Napa 0.3 mile SE of confluence of Putah and Hunting Creeks. 243 Comment
  UCD164832  Silene antirrhina Jake Ruygt 2012-5-19 5853 Napa South end of Spanish Valley south of hunting shack. 274 Comment
  JEPS106851  Silene californica Jake Ruygt 1981-5-13 1022 Napa .2 miles east of Flosden Rd. on north side American Canyon 164 Comment
  RSA185755  Silene gallica John H. Thomas 1955-5-21 5121 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  UCD170584  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 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-BC74904  Sinapis arvensis Peter H. Raven 1952-5-29 4073 Napa Napa River 1 mile north of Napa. 60 Comment
  RSA503179  Sisyrinchium bellum Gary D. Wallace 1967-5-27 770 Napa Northwest of St. Helena on Howell Moutain Road 2 miles west of Pacific Union College and Angwin Comment
  UCD48248  Sisyrinchium bellum R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 12 Napa The border between Yolo and Napa counties, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burn area (burned Oct 1999). 640 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
  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
  RSA639496  Sisyrinchium bellum Lorraine Clarke 1977-4-16 26 Napa East Bull Canyon, 6.4 miles by road south-southwest of Monticello Dam along Highway 128, 0.5 road miles away from Highway 128 183 Comment
  UC26217  Solanum americanum Willis L. Jepson 1894-11-5 Napa Napa River Basin, St. Helina St. Helina; Napa River Basin, St. Helina Comment
  JEPS110747  Solanum rostratum Jake Ruygt 1996-9-14 3785 Napa 1.9 miles north of Sage Canyon Road on Lower Chiles Valley R 298 Comment
  UCD148992  Solanum rostratum R. Breckenridge 2010-9-29 PDR 505910 4 Napa Lake Berryessa. 145 Comment
  JEPS110903  Solanum umbelliferum Jake Ruygt 1980-5-3 872 Napa Bear Valley 640 Comment
  JEPS7819  Solanum umbelliferum Peter H. Raven 1952-5-31 4159 Napa on Rector Creek Rector Creek 121 Comment
  UC1280958  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa on summit of Howell Mountain Howell Mountain Comment
  UCD127080  Solanum xanti Andreas Stohr 1996-4-21 6 Napa along Road 128 near Cold Canyon Preserve. 180 Comment
  CAS-BOT-BC365099  Solidago velutina subsp. californica L. R. Abrams 1916-7-2 5761 Napa Near St. Helena Sanitarium Comment
  JEPS106875  Solidago velutina subsp. californica Jake Ruygt 1987-6-14 2043 Napa 2.5 miles west of Madronna Ave.on Spring Mountain Rd. 274 Comment
  UCD63168  Solidago velutina subsp. californica Jake Ruygt 2001-10-22 4344 Napa Napa Valley, Solano Avenue at Dry Creek Rd. 30 Comment
  CDA29133  Sonchus asper D. G. Kelch, Daniel Weinstein 2009-6-21 9 .447 Napa Near Skyline Park. Comment
  JEPS37531  Sonchus oleraceus W. L. Jepson 1936-6-2 17605 Napa banks Napa River (St. Helena); banks Napa River, St. Helena Comment
  UC71007  Sorghum halepense Willis L. Jepson 1894-10-4 Napa Napa Valley Napa River Basin, Napa Valley Comment
  JEPS2865 Image available Sparganium californicum Edward Lee Greene 1883-1 Napa Calistoga Comment
  UCD99232  Spergularia macrotheca var. leucantha S. Galen Smith; J. Anderson 1957-6-7 2957 Napa Myrtledale Hot Springs, 1.5 miles north of Calistoga. 121 Comment
  UCD35347  Spergularia macrotheca var. longistyla Beecher Crampton 1955-5-9 2752 Napa Napa County; 2 miles north of Calistoga. Comment
  SEINET7073088  Stachys ajugoides var. rigida A. G. Vestal 1963-4-7 s.n. Napa Along the Silverado Trail about 3.8 miles north of Saint Helena. Coordinate datum WGS84/NAD83. (38? deg. 32' 38" North Latitude, -122? deg. 29' 21" West Longitude, UTM Zone 10, 544515mE, 4266093mN. Coordinate datum: NAD27). Comment
  JEPS105353  Stachys albens Dean W. Taylor 1994-10-7 14710 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  UCD18106  Stachys albens K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 42 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UCD126048  Stachys rigida var. quercetorum J. D. Clark 1995-5-27 14 Napa collected on trail between 1/3 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State park parking lot. 548 Comment
  UCD81440  Stachys rigida var. quercetorum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  UCD95970  Stachys rigida var. quercetorum Ellen Dean; with Clare Loughran 2011-5-20 7067 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
  UCLA85559  Stachys stebbinsii C. Epling, H. Lewis 1941-5-9 Napa 11.1 mi s St. Helena Comment
  CHSC102276  Stachys stricta Lowell Ahart 2009-10-12 16441 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD116968  Stellaria media Jillian Howard; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UC92343  Stephanomeria elata Brandegee 1888-8-1 Napa Howell Mt. Comment
  UCD35506  Stephanomeria elata Beecher Crampton 1956-9-28 3881 Napa Vaca Mtns, floor of Wragg Canyon. 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
  JEPS122969  Stipa lepida Jake Ruygt 1991-5-18 2574 Napa Mount George Avenue. Quad: Mount George. Comment
  SACT002371  Stipa lepida John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam, northwest facing slope on south side of highway. Comment
  SEINET10893282  Stipa lepida David D. Keck 1931-4-2 Keck 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 miles NE of Napa. Dry rocky openings in the chaparral. 170 Comment
  JEPS129030  Streptanthus breweri Jake Ruygt 2015-6-13 6134 Napa Fernandes-Snell Peak, Land Trust. Aetna Spring 7.5' Quad. Comment
  UC2016523  Streptanthus breweri Richard Olmstead 1983-6-24 365 Napa On serpentine road crop between Aetna Spa Road and Mendocino County line on Pope Valley - Middletown Road. Ca. 1-2 mile north of Aetna Spa Road. Comment
  UC518933  Streptanthus breweri var. breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge s Walters Springs (roadbank) Comment
  UC764867  Streptanthus breweri var. hesperidis R. F. Hoover 1938-6-11 3602 Napa Knoxville ridge Comment
  POM143636  Streptanthus glandulosus C. F. Baker 1903-4-20 2619 Napa Mt. St. Helena. 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-BC87166  Streptanthus glandulosus subsp. glandulosus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5335 Napa Pope Creek east of Samuels Springs. 91 Comment
  JEPS106600  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1979-4-14 517 Napa Oat Hill Mine Rd. in the Palisades area 670 Comment
  JEPS30823  Streptanthus glandulosus subsp. glandulosus W. L. Jepson 1938-5-22 18818 Napa Limekiln Creek Canyon Pope Valley (hillside) Comment
  UC630653  Streptanthus glandulosus subsp. glandulosus John L. Morrison and Florence L. Morrison 1938-4-25 2993 Napa rock outcrop to left of hwy ca 5 mi n Napa Comment
  UC630660  Streptanthus glandulosus subsp. glandulosus John L. Morrison and Florence L. Morrison 1938-5-25 3001 Napa along Knoxville-Lower Lake road ca 0.7 mi from Knoxville (open s and sw slopes) Comment
  UCD74408  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-22 1668 Napa Vaca Mtns. east of Markley Cove. 426 Comment
  UC1736739  Streptanthus hesperidis Dean W. Taylor 1998-6-23 16689 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UCD167106  Streptanthus hesperidis Jake Ruygt 2015-6-13 6127 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  UCD74409  Streptanthus hesperidis Jake Ruygt 2007-6-23 5236 Napa Las Posadas State Forest, north of Recreation Flat. 405 Comment
  CAS-BOT-BC87393  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa At junction of Hunting Creek with Rare Plant Canyon. 365 Comment
  CAS-BOT-BC87394  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa Headwaters of Rare Plant Canyon, an unnamed tributary of Hunting Creek. 426 Comment
  UCD119099  Styrax redivivus K. Esau; S. Keeton and E. Hyde 1938-5-1 s.n. Napa location unknown. Comment
  CAS-BOT-BC97737  Symphyotrichum chilense Alice Eastwood 1920-7-31 9987 Napa Vallejo Comment
  CAS-BOT-BC98078  Symphyotrichum lentum Peter H. Raven 1951-6-24 3002 Napa Napa 30 Comment
  JEPS104576  Symphyotrichum lentum Jake Ruygt 1993-10-24 3290 Napa near Fagan Slough. 0 Comment
  JEPS40868  Symphyotrichum spathulatum Willis L. Jepson 1893-9-28 Napa Lower Napa Valley , 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
  SBBG128792  Symphyotrichum subulatum L. Ahart 2009-10-27 16476 Napa below high water line of Lake Berryessa, ca. 400 yars E of Eticuera Crk, ca. 300 yards E of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd 130 Comment
  UCD37949  Taeniatherum caput-medusae Beecher Crampton 1962-5-16 6436 Napa Napa County, town of Pope Valley. Comment
  JEPS129144  Tetragonia tetragonoides Jake Ruygt 1980-3-27 819 Napa Napa Valley Garbage disposal site. Cuttings Wharf 7.5' Quad. Comment
  UCR261682  Tetrapteron graciliflorum Ann Howald 2003-4-23 2303 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  SBBG2279  Thalictrum fendleri var. polycarpum H. and M. Dearing 1939-5-3 3231 Napa White Sulphur Springs Rd, St Helena Comment
  CDA12199  Thermopsis californica var. californica G. F. Hrusa 1989-4-29 6045 Napa North Coast Biodiversity Arena; Chiles Valley Rd., approx. 2 km N of junction of Hwy 128 and Chiles Valley Rd. Comment
  UC1197481  Thermopsis californica var. californica Joseph P. Tracy 1899-6-19 399 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  JEPS126090  Thermopsis macrophylla Jake Ruygt 1976-5-7 65 Napa 8.0 miles NE of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Qua. Comment
  CAS-BOT-BC66478  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4573 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66489  Thysanocarpus curvipes John Thomas Howell 1931-4-19 6456 Napa Conn Valley. Comment
  CAS-BOT-BC66496  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66505  Thysanocarpus curvipes John H. Thomas 1955-5-21 5137 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC66519  Thysanocarpus curvipes Lowell Ahart 1969-4-7 s.n. Napa Near Lake Berryessa. 243 Comment
  JEPS106588  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2879 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  SEINET7072529  Thysanocarpus curvipes A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  CAS-BOT-BC66491  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  JEPS54166  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 e Napa e St. Helena; Napa River Basin, e of St. Helena Comment
  JEPS54175  Thysanocarpus curvipes W. L. Jepson 1923-4-29 9895 Napa St. Helena; Little flat on border of foothills 91 Comment
  SEINET3165954  Thysanocarpus curvipes subsp. curvipes C. D. Bailey 2008-3-19 259 Napa East of the town of Napa along Combsville Rd. Follow onto Wild Horse Valley Rd. as Combsville Rd. comes to an end. Ca. 1 mile up Wild Horse Valley Rd. on a road cut. 183 Comment
  RSA195381  Thysanocarpus curvipes var. curvipes Gilbert Muth 1967-4-16 639 Napa Snell Valley. 183 Comment
  CAS-BOT-BC66964  Thysanocarpus laciniatus Katharine Brandegee 1909-6-1 s.n. Napa Pope Valley Grade. Comment
  CAS-BOT-BC66963  Thysanocarpus laciniatus Peter H. Raven 1953-5-2 5398 Napa Summit of hills due east of Yountville. 304 Comment
  CAS-BOT-BC67307  Thysanocarpus radians Catherine Best 1983-4-28 s.n. Napa Southeast side of Atlas Peak Road about 6.5 miles from the intersection of Monticello Road. Comment
  UCD124646  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa beside Highway 37, 0.4 mie southwest of junction with road to Monticello Dam and Winters. Comment
  CAS-BOT-BC85169  Torreya californica Milo S. Baker 1925-1-1 s.n. Napa Mt. St. Helena Comment
  LA5971  Torreya californica J. M. Tucker; 1954-4-22 2699 Napa Mt. St. Helena, beside Highway 29, E side of mountain, 1 mi N of summit of road Comment
  POM125420  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mount St. Helena Comment
  JEPS63911  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19477 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63935  Toxicodendron diversilobum W. L. Jepson 1904-5-28 2427 Napa St. Helena, Spring Mt. Creek (York Creek) Comment
  UCD117068  Toxicodendron diversilobum Stephen E. Willeford 1964-5-1 7 Napa East of highway, Putah Creek Drainage, 3 miles south of junction of State Highways 128 and 37. [37 was what is now called 121; assume this was traveling SW along 128 from junction] 182 Comment
  UCD141585  Toxicoscordion fontanum Ellen Dean 2013-4-27 7709 Napa Las Posadas State Forest. East of the Town of Angwin, East of Las Posadas Rd. Ca. 0.1 mile from Fire Station, along dirt road that travels North/Northeast from station. North side of road. 519 Comment
  UCD15984  Toxicoscordion fontanum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 1 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2'' N; 122 deg. 21' 11.7''W; 480 m. Comment
  UC2025090  Toxicoscordion fremontii Fayla Schwartz 1990-3-18 115 Napa Napa Co. 1.2 miles south of intersection with Howell Mt. Road on Deer Park Road, between St. Helena and Angwin. Comment
  UCD139843  Toxicoscordion fremontii Rolf Y. Berg 1963-3-3 s.n. Napa State Highway 37, ca. 1.5 miles south of Wooden Valley junction. Comment
  UCD147533  Toxicoscordion micranthum Ellen Dean; Diana Hickson 2014-4-29 8087 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD63058  Toxicoscordion venenosum var. venenosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  JEPS36858  Tragopogon porrifolius W. L. Jepson 1923-6-3 9980 Napa Napa Comment
  RSA212495  Tragopogon porrifolius Elsa Ruckert 1960-5-7 144 Napa 6495 Dry Creek Road. Near spring beside road leading to house. 366 Comment
  UCD170439  Tragopogon porrifolius Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 911 Napa Knoxville Wildlife Area, along Berryessa-Knoxville Road. 407 Comment
  UCR45100  Trichostema laxum L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  UC1191154  Trichostema laxum Herbert L. Mason 1936-9-19 11540 Napa St. Helena Creek Comment
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  UC22514  Trientalis latifolia Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, New Eden New Eden; Napa River Basin, Howell Mountain, New Eden Comment
  UC1925878  Trifolium Ethel Crum 1931-1 1064 Napa Pope Valley Comment
  UC1925907  Trifolium Ethel Crum 1931-1 1047 Napa Four miles from Yountville. Comment
  UCD83437  Trifolium albopurpureum Jake Ruygt 1993-5-1 3235 Napa SW end of Cedar Creek Rd. 463 Comment
  UCD111351  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  UCD35560  Trifolium albopurpureum Beecher Crampton 1958-4-22 4738 Napa Markley Canyon, Vaca Mountains. Comment
  UC764674  Trifolium albopurpureum var. albopurpureum R. F. Hoover 1941-4-26 4917 Napa betw Samula Springs and Walter Springs (Pope Creek) Comment
  UC162842  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-15 1456 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  UC1925904  Trifolium albopurpureum var. dichotomum Ethel Crum 1931-1 1068 Napa Near Aetna and Butts Canyon Roads. Comment
  UC2043168  Trifolium bifidum Barbara Ertter with Jake Ruygt 1996-4-25 14599 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD48974  Trifolium bifidum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  CHSC83410  Trifolium bifidum var. decipiens L. P. Janeway; B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UC16483  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  UCD38372  Trifolium depauperatum var. truncatum Beecher Crampton 1955-4-4 2390 Napa 2 miles north of Calistoga. Comment
  RSA653959  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCR141074  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa Inner North Coast Ranges, 0.25 mile northwest of Knoxville 457 Comment
  POM18842  Trifolium dichotomum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  JEPS106804  Trifolium dubium Jake Ruygt 1987-4-22 1960 Napa DFG property near Buchli Station 1 Comment
  UCD35289  Trifolium fucatum Beecher Crampton 1955-4-7 2435 Napa 7.8 miles north of Monticello. Comment
  POM262789  Trifolium fucatum var. fucatum J. C. Roos 1939-4-15 279 Napa Pope Valley Comment
  JEPS106811  Trifolium glomeratum Jake Ruygt 1983-5-1 1449 b Napa Suscol Ridge east side of HWY 29 (221) 28 Comment
  RSA617194  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 90 Comment
  UCD109759  Trifolium gracilentum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD48982  Trifolium hirtum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. on W-facing slope 2400 as the crow flies ft. NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  UC16633  Trifolium microcephalum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD48984  Trifolium microcephalum M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 19 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UC555460  Trifolium microcephalum H. L. Mason 1928-4-13 4340 Napa near spring (Reili School) Comment
  JEPS106712  Trifolium microdon Jake Ruygt 1996-5-4 3646 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  JEPS106752  Trifolium obtusiflorum Jake Ruygt 1980-5-21 895 Napa 2.7 miles north of Monticello Rd. on HWY 128 213 Comment
  UC1103445  Trifolium obtusiflorum Joseph P. Tracy 1899-5-14 397 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UCR146398  Trifolium oliganthum Beecher Crampton 1960-5-17 5539 Napa Inner North Coast Ranges, 6 miles west of Oakville 701 Comment
  JEPS4361  Trifolium oliganthum Willis L. Jepson 1893-4-24 13697 Napa e St. Helena (in hills) Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  SEINET7545186  Trifolium petrophilum C. F. Baker 1903-1 2625 Napa Mt. St. Helena Comment
  JEPS126079  Trifolium pratense Jake Ruygt 1986-5-20 1781 Napa Napa Corporate Park (Suscol Plain). Cuttings Warf 7.5' Quad. Comment
  POM216217  Trifolium variegatum var. melananthum D. D. Keck 1933-5-28 2336 Napa Between Pope Valley P.O. and Walters Springs. Comment
  JEPS4395  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-27 13706 Napa Yountville; Napa Valley Comment
Read comments
Feb 1 2008
  JEPS122746  Trifolium variegatum var. variegatum Jake Ruygt 2011-5-7 5775 Napa Pope Valley, Pope Canyon Road at vernal marsh. Quad: St. Helena. Comment
  JEPS129018  Trifolium willdenovii Jake Ruygt 2016-5-7 6238 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS4145  Trifolium willdenovii Willis L. Jepson 1893-5-2 13673 Napa e Calistoga (Pope Valley grade); Napa River Basin Comment
  UCD160013  Trifolium willdenovii James A. Neilson Jr. 1975-4-13 3138 Napa Soda Canyon Road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 457 Comment
  UCD49030  Trifolium willdenovii S. Murphy; K. Keck and K. Dyer 2002-5-5 18 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines and tip parcels, NE from intersection of West and East Roads ca. 20 m. 328 Comment
  JEPS4166  Trifolium willdenovii W. L. Jepson 1893-4-27 13681 Napa Yountville Comment
  POM126389  Trifolium willdenovii C. F. Sonne 1895-04 1393 Napa Soda Springs. Comment
  RSA195304  Trifolium willdenovii Gilbert Muth 1967-4-16 643 Napa Snell Valley. 183 Comment
  UC16735  Trifolium willdenovii Willis L. Jepson 1893-5-1 Napa Knights Valley grade at divide Napa River Basin Comment
  HSC46352  Trillium albidum J. D. Freeman, R. F. Freeman 1967-5-6 573 Napa Near Diamond Mtn. Creek below Diamond Mtn. Rd., 0.6 mi. W of Hwy. 29, SW of Calistoga Comment
  UCD123379  Triphysaria eriantha D. C. Finfrock 1950-4-6 22 Napa 14 miles from Monticello and 3 miles from Pope Valley. Comment
  JEPS120429  Triphysaria eriantha Jake Ruygt 2010-3-9 5483 Napa Lovell Valley Loop Rd. about 0.5 mi. south of Napa / Sonoma Line. Comment
  UCD78099  Triphysaria pusilla Robert E. Preston 2005-3-10 2316 Napa Mouth of Long Canyon 312 Comment
  JEPS3976  Triphysaria pusilla Willis L. Jepson 1893-4-25 21410 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, lower hillsides Comment
  CDA11337  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa 1995-4-2 12047 Napa North Coast Biodiversity Arena; SE corner of Chiles-Pope Valley Rd. and Hwy 128, upper end of Hennessey Res. Comment
  JEPS10430  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-5-1 21371 Napa Upper Napa Valley Calistoga (Napa River Basin); , Upper Napa Valley Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  HSC20861  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa W Imola Ave., 1 mi. W of Hwy. 12 & 29 Comment
  JEPS86221  Triphysaria versicolor subsp. faucibarbata L. R. Heckard 1970-5-4 2447 Napa n side of Kelly Rd 0.5 mi n of CA Hwy 12 near junction of Hwy 12 and Hwy 29 ca 10 mi n Vallejo Comment
  UC1334878  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-15 392 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UC194282  Triphysaria versicolor subsp. faucibarbata C. F. Sonne April 1895 Napa Napa Valley Comment
  UCD95927  Trisetum canescens Ellen Dean; with Clare Loughran 2011-5-20 7059 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  JEPS58047  Triteleia laxa R. H. Platt May 1916 Napa nw of Berryessa Valley (above Pope Valley); Upper Putah Creek 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
  SEINET8506566  Triteleia laxa C. M. Fryer 1948-5-9 13 Napa 17 miles N of Monticello. Comment
  JEPS118640  Triteleia peduncularis B. Castro and L. P. Janeway 2002-5-12 1357 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. Jericho Valley 7.5' quad. Comment
  UCD161689  Triteleia peduncularis Jake Ruygt 2009-5-22 5412 Napa American Canyon, across road from quarry. 85 Comment
  CAS-BOT-BC91195  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mount Saint Helena at Mount Saint Helena Inn. Comment
  CDA15405  Umbellularia californica G. F. Hrusa 1997-2-3 13618 Napa North Coast Biodiversity Arena; Slopes on SW margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Comment
  CDA21069  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11461 Napa Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway, 518 Comment
  UCR12034  Umbellularia californica Coleta A. Lawler 1964-3-24 15 Napa Redwood Road, just west of junction with Browns Valley Road. 8 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
  UCD63169  Uropappus lindleyi Jake Ruygt 1979-4-6 482 Napa 0.3 miles east of Butts Canyon Rd. on Snell Valley Rd. 207 Comment
  CAS-BOT-BC381969  Uropappus lindleyi Belle Richardson Jackson 1938-5-29 s.n. Napa Road to Mt. Atlas, Napa Valley Comment
  CAS-BOT-BC404188  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1617 Napa Anguin Meadows just west of shopping center Comment
  UCD50230  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  JEPS115752  Veronica catenata Lowell Ahart 2009-10-12 16452 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
  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
  JEPS129174  Vicia americana Jake Ruygt 2015-3-16 6042 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  UCD167060  Vicia americana Jake Ruygt 1999-4-27 4141 Napa Las Posadas State Forest. 542 Comment
  JEPS106544  Vicia americana var. americana Jake Ruygt 1981-4-20 991 Napa American Canyon, .2 miless east of Flosden Rd. 164 Comment
  UC1300881  Vicia cracca Helen K. Sharsmith 1963-4-20 5351 Napa above Wooden Valley (on Monticello Road, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  UC162844  Vicia hassei Joseph P. Tracy 1904-5-23 2097 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  UC101711  Vicia sativa C. F. Baker 1902-4-19 1988 Napa Calistoga Comment
  SEINET7042499  Vicia sativa A. G. Vestal 1963-4-7 s.n. Napa 3.8 miles north of Saint Helena on the Silverado Trail. Saint Helena quadrangle UTM Zone 10, 544281mE, 4266677mN. Comment
  JEPS106539  Vicia sativa subsp. nigra Jake Ruygt 1996-4-6 3551 Napa near ridgetop, sout of Rector Dam. 243