Search Results — 2000 specimen records retrieved (1448 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
  JEPS115687  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  UC370333  Abutilon theophrasti Mrs. U. C. Jolley Sep 1928 Napa Napa Comment
  CAS-BOT-BC331519  Acer macrophyllum Peter H. Raven 1957-5-5 10767 Napa Hills at western edge of Calistoga 152 Comment
  JEPS78438  Acer macrophyllum Edward Lee 1936-3-15 1805 Napa Rutherford - Pope Valley road 3/4 mi out Rutherford; Rutherford - Pope Valley road Comment
  SEINET3195253 Image available Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa Comment
  SFV8411  Acer macrophyllum G. L. Webster 1967-3-23 7486 Napa Along Chiles Creek about 1 mile SW Chiles Grist Mill, Pope Valley Road. At edge of stream. 137 Comment
  UC1301056  Achillea millefolium Helen K. Sharsmith 1963-4-20 5341 Napa s slopes, among volcanic rocks in oak-woodland Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD118600  Achillea millefolium William Goss; 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
  RSA786931  Achillea millefolium var. borealis Carrie A. Herd 1982-5-9 98 Napa Sage Canyon Road, Con Dam area Comment
  SEINET2145824  Achillea millefolium var. lanulosa H. Popenoe 1949-6-4 36 Napa Putah Canyon, 11 miles west of Winters, on Napa-Yolo county line. Comment
  UCD50273  Achnatherum coronatum Beecher Crampton 1960-5-2 s.n. Napa Markley Canyon, Vaca Mtns., 2.7 miles southwest of Monticello Dam along State Highway 128. Comment
  RSA786930  Achyrachaena mollis Carrie A. Herd 1982-5-9 100 Napa Sage Canyon Road, Con Dam area Comment
  UCR24355  Achyrachaena mollis John C. Roos 1939-4-15 285 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  UCD167136  Acmispon americanus var. americanus Jake Ruygt 2015-5-23 6110 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD18112  Acmispon americanus var. americanus K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 49 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
  UCD104044  Acmispon brachycarpus Beecher Crampton 1962-5-16 6422 Napa Napa County, 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  UCD170661  Acmispon brachycarpus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 Comment
  UCD47976  Acmispon brachycarpus K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 14 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
  UCD104087  Acmispon brachycarpus R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UCD16011  Acmispon brachycarpus L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 8 Napa McLaughlin Reserve, McLaughlin Reserve, east side of Devilhead Road 38 deg. 49' 14'' N, 122 deg. 21 12'' W; 540 m. Comment
  UCD35291  Acmispon brachycarpus Beecher Crampton 1955-4-7 2433 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD75714  Acmispon grandiflorus var. grandiflorus Jake Ruygt 2005-6-1 4886 Napa Blue Ridge, about 1 mile north of Mays Flat. 716 Comment
  UCD149712  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  CAS-BOT-BC29284  Adenocaulon bicolor Betty H. Johnson 1958-6-20 673 Napa Old Toll Road, about 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  UC555288  Adenostoma fasciculatum H. L. Mason 1925-1-22 1203 Napa Wooden Valley Grade Comment
  UCD16111  Adenostoma fasciculatum BiF Soper 1983-5-30 s.n. Napa Hwy 128, 3.7 miles W of the entrance to the Putah Creek Public Fishing Access Rd. 103 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
  CDA11623  Adiantum jordanii G. F. Hrusa, G. L. Stebbins 1994-3-11 11593 Napa North Coast Biodiversity Arena; Las Posadas State Forest. Head of first tributary to south of Moore Creek. Comment
  UCSB8225  Adiantum jordanii Keator, Glenn 1959-3-28 Napa Conn's picnic grounds near Lake Hennessy, Napa range Comment
  JEPS116552  Adiantum pedatum Jake Ruygt 2005-3-26 4711 Napa Marie Creek, below old dam. Mount George 7.5' Quad. Comment
  RSA60347  Aesculus californica G. R. Campbell 1948-6-18 660 Napa 10 miles south of Montecello. Comment
  UCD164733  Agastache urticifolia Jake Ruygt 2014-6-9 5992 Napa Livermore Ranch, Cub Valley. 657 Comment
  UCD148099  Agoseris grandiflora Jake Ruygt 2006-6-13 5056 Napa Northeast of Lake Berryessa. North of ridge on road between Harris and Green Canyon. 396 Comment
  RSA0009530  Agoseris grandiflora Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC29638  Agoseris grandiflora var. grandiflora Will Fottrell 1906-7-1 s.n. Napa Napa Comment
  UC1301062  Agoseris grandiflora var. grandiflora Helen K. Sharsmith 1962-6-3 5104 Napa Napa-Soda Springs Rd. San Francisco Bay Region 152 Comment
  UCD41314  Agoseris heterophylla Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 5 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  CAS-BOT-BC13319  Agoseris retrorsa Peter H. Raven 1964-5-9 19064 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  JEPS104577  Agoseris retrorsa Jake Ruygt 1982-5-26 1293 Napa Mt. St. Helena toward The Palisades. Deter Reservoir 7.5' Quad. 731 Comment
  UC1153788  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD52270  Agrostis exarata August L. Hormay Date Unknown Napa North of Napa. Comment
  UCD52327  Agrostis exarata B. Crampton 1955-6-8 2830 Napa Sonoma - Napa County border: along State Hwy. 128, 5 mile northwest of Calistoga. Comment
  CAS-BOT-BC139521  Agrostis hallii Peter H. Raven 1952-5-31 4102 Napa 1.5 mile east of Yountville. 30 Comment
  SEINET10510088  Agrostis hallii Peter H. Raven 1952-5-31 Raven 4102 Napa 1.5 mi. Yountville. 30 Comment
  SEINET238872  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County 2 miles north of Calistoga Myrtledale Hot Springs. Comment
  UC187234  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD35222  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa 3 miles south of Calistoga. Comment
  UCD53015  Agrostis microphylla Beecher Crampton 1962-5-8 6415 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC138820  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Meadow, Mrytledale Hot Springs, 2 miles north of Calistoga. Comment
  POM126110  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Hills east of Calistoga 244 Comment
  UCD170422  Aira caryophyllea Daniel Potter; Daniel McNair 2017-4-23 903 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  CDA37188  Aira caryophyllea CDFA Staff 2005-5-1 s.n. Napa Atlas Peak Road, Mead Ranch. 0 Comment
  RSA537500  Allium amplectens Barbara Ertter, Annetta Carter 1989-5-28 8516 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  UCD20680  Allium amplectens J. D. Clark 1995-5-27 17 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Hwy 129. Trailhead begins on the east side of Hwy 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  CAS-BOT-BC461092  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  RSA92951  Allium amplectens Peter H. Raven 1951-6-10 2917 Napa Crater region E of Palisades. 762 Comment
  RSA95482  Allium amplectens L. S. Rose 1954-5-24 54048 Napa Summit, Wooden Valley grade, 6 miles NE of Napa. Comment
  UC1042340  Allium amplectens Lewis S. Rose 1954-5-24 54058 Napa 6 mi ne Napa (summit, Wooden Valley grade); Wooden Valley grade Comment
  RSA32797  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  CAS-BOT-BC466764  Allium cratericola Alice Eastwood 1923-5-9 s.n. Napa Old crater, Mt. St. Helena Comment
  JEPS47614  Allium falcifolium Mrs. D. O. Hunt 1909-4-16 Napa Pope Valley Comment
  POM182716  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles east of Pope Valley. Comment
  SBBG25351  Allium falcifolium W. B. Davis 1960-4-15 27 Napa Pope Valley, 5 mi E of turnoff from lower end of Lake Berryessa Comment
  UC1585999  Allium falcifolium Barbara Ertter with Annetta Carter 1989-5-28 8506 Napa on Berryessa Rd. 2 mi se Lake Co. line (hills s of road, near Knoxville, extreme n Napa County) 609 Comment
  UCD33221  Allium falcifolium Beecher Crampton 1967-5-11 7921 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD48253  Allium falcifolium Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 30 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 533 Comment
  CAS-BOT-BC469030  Allium falcifolium Willis L. Jepson 1893-5-1 43 Napa Upper Conn Valley; Napa River Basin Comment
  POM182677  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  JEPS129096  Allium serra Jake Ruygt 2016-5-3 6224 Napa Canyon south of Oil Well Road; E of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC410445  Allium serra Alice Eastwood 1930-4-13 17927 Napa canyon between Monticello and Pope Valley Comment
  UCD148577  Allium serra Jake Ruygt 2005-5-9 4821 Napa Napa County; Knoxville Wildlife Area, west side of Berryessa Knoxville Rd. 420 Comment
  POM215781  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville. Comment
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS69369  Allophyllum divaricatum W. L. Jepson 1893-6-26 15060 Napa Howell Mt., Angwin's Meadows Comment
  JEPS101637  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16692 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  JEPS43478  Allotropa virgata Wayne Roderick 1966-5-13 Napa 2 mi up from highway from Calistoga to Geyserville (on the Ida Clayton Road); Ida Clayton Road 304 Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  CHSC103017  Amaranthus albus Lowell Ahart 2009-10-12 16468 Napa Along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS54292  Amaranthus albus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UC1010754  Amaranthus californicus Peter H. Raven 1951-10-28 3944 Napa Conn Lake 152 Comment
  JEPS7803  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa near Slaughterhouse Point; Napa River 0 Comment
  UCD112864  Amelanchier alnifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD112865  Amelanchier alnifolia K. Esau; E. Hyde 1940-5-25 s.n. Napa Napa County. Comment
  JEPS115757  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS16024  Ammi majus W. L. Jepson Sep 23 1893-Sep 25 1893 14204 Napa Yountville Comment
  JEPS16025  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley, Union Station Comment
  UC1197392  Ammi majus Joseph P. Tracy 1938-8-7 16092 Napa Yountville 30 Comment
  RSA92831  Ammi majus P. H. Raven 1950-7-4 2468 Napa 1 1/2 miles north of the Solano County line on Highway 29 Comment
  CAS-BOT-BC177207  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  CAS-BOT-BC177209  Amorpha californica var. napensis C. H. M. 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS2725  Amorpha californica var. napensis W. L. Jepson 1916-8-6 6834 Napa Moore Creek Howell Mt. 548 Comment
  UC1199060  Amorpha californica var. napensis Joseph P. Tracy 1933-6-2 12467 Napa 5 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 457 Comment
  UCR116170  Ampelodesmos mauritanicus G. Fred Hrusa 2000-7-26 15683 Napa North Coast, Old Toll House Road at SW base of Mt St. Helena, c. 0.5 mi north of Hwy 29. Slope above Garnet Creek 400 Comment
  UC703180  Amsinckia intermedia John Thomas Howell 1941-4-5 16169 Napa about 1 mi sw Calistoga Comment
  JEPS61139  Amsinckia intermedia W. L. Jepson 1924-4-6 10327 Napa mouth of Coun Creek, near St. Helena; Coun Creek Comment
  UC573154  Amsinckia intermedia Herbert L. Mason 1926-3-20 2755 Napa Calistoga Comment
  UCD170350  Amsinckia lunaris Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 849 Napa Knoxville Wildlife Area, along Nevada Creek. 452 Comment
  UCD119718  Amsinckia lycopsoides H. Popenoe 1949-4-17 12 Napa Putah Canyon, 8 miles west of Winters. Comment
  RSA0089964  Amsinckia retrorsa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS112621  Anagallis arvensis Jake Ruygt 1976-5-31 107 Napa .3 mile east of Hillcrest Dr. on Westgate Drive 79 Comment
  UCD117759  Anagallis arvensis Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  UCD170834  Anagallis arvensis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD49110  Anagallis arvensis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 20 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on slope N of North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  SEINET5733575 Image available Anagallis arvensis Jane E. McBerty 1961-1 18 Napa On road to Pope Valley ca. 0.5 mi. from State Hwy 128.; Pope Valley 152 Comment
  CAS-BOT-BC64138  Ancistrocarphus filagineus John Thomas Howell 1931-4-3 6129 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  SEINET2140851  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  UC165850  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD118509  Ancistrocarphus filagineus Amber Kimpel; 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. South side of road. 417 Comment
  UCD128905  Ancistrocarphus filagineus Robert E. Preston 1988-4-10 579 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 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
  UCD48437  Angelica californica K. Mogel; B. Pekin and M. Higley 2002-5-4 8 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 1100 ft along the lower road that leads to the power lines; immediately upslope of road. 304 Comment
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  UCD168522  Angelica lineariloba Stephen P. Rae; A. Solomeshch 2007-5-25 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
  JEPS15909 Image available Angelica tomentosa Willis L. Jepson 1895-8-30 13484 Napa Napa River Basin, Upper Napa Valley; ; Near Calistoga, Upper Napa Valley Comment
  UC765494  Angelica tomentosa R. F. Hoover 1938-9-23 3861 Napa south fork of Butts Creek Butts Creek Comment
  RSA517  Angelica tomentosa var. tomentosa J. T. Howell 1927-8-24 689 Napa Butte Valley, Napa Range Comment
  JEPS106552  Anisocarpus madioides Jake Ruygt 1976-5-14 73 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  UC1537058  Anthemis cotula Gordon H. True Jr. 1937-6-21 736 Napa near Lokoya Lodge 365 Comment
  IRVC19774  Anthriscus caucalis Anne E. Justice 1981-4-27 s.n. Napa 10 miles from Winters on Hwy 128, just past Monticello Dam. Comment
  UC1197333  Anthriscus caucalis Joseph P. Tracy 1938-5-31 15748 Napa near St. Helena (at Bale Mill); Northern Coast Ranges 91 Comment
  UCD127276  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa east side of Napa Valley, around 2 miles north of St. Helena. Comment
  JEPS110619  Antirrhinum cornutum Jake Ruygt 1986-6-28 1849 Napa 1.0 mile north of Snell Valley Rd. on Butts Canyon Rd. 208 Comment
  JEPS83369  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-11 335 Napa 1.9 mi from Barnett Road start (along valley of Pope Creek at an area reached by traveling private vineyard roads); Aetna Springs Quad. (7.5', 1958) 195 Comment
  UC1196865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. P. Tracy 367 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  CAS-BOT-BC237921  Antirrhinum virga John Thomas Howell 1926-10-3 2197 Napa Summit of Mt. St. Helena Comment
  UC521687  Antirrhinum virga Joseph Andorfer Ewan 1933-9-17 8017 Napa near Stevenson Memorial (Mt. St. Helena); Mt. St. Helena Comment
  HSC24622  Aphanes occidentalis I. L. Wiggins 1932-3-12 5763 Napa Hillside between Franz Valley and Calistoga Comment
  JEPS104567  Apiastrum angustifolium Jake Ruygt 1982-4-4 1165 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  UCD126299  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon. Comment
  UCD33220  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  JEPS104560  Apocynum androsaemifolium Jake Ruygt 1992-5-7 2940 Napa south of Leoma Lakes, Wild Horse Valley 414 Comment
  JEPS49781  Apocynum androsaemifolium Willis L. Jepson 1893-6-26 14624 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  UC162866  Aquilegia eximia Joseph P. Tracy 1905-7-6 2222 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 365 Comment
  UC382607  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi n Pope Valley Comment
  JEPS106773  Arabis glabra Jake Ruygt 1983-4-3 1405 Napa east end of Green Valley Rd. 432 Comment
  UCD75841  Arabis oregana Jake Ruygt 1984-3-3 1501 Napa Devilshead Rd. near Cedar Creek. 542 Comment
  UCSB8404  Arbutus menziesii Kamb, Peter; Chisaki, Francia 1950-4-22 Napa 500 feet above valley floor, west side of Wooden Valley on California Highway 37 304 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
  JEPS38624  Arctostaphylos canescens W. L. Jepson 1913-4-15 5311 Napa La Jota Plateau Howell Mountain Comment
  JEPS38625  Arctostaphylos canescens Willis L. Jepson 1893-9-23 14701 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  JEPS38631  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14695 Napa first summit Napa River Basin, Mt. St. Helena Comment
  LA42154  Arctostaphylos canescens Joseph Andorfer Ewan; 1937-5-23 10335 Napa Mount Saint Helena, Summit trail Comment
  CAS-BOT-BC23951  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1503 Napa 1 mi. north of summit of Mt. St. Helena Comment
  CAS-BOT-BC23953  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-10-3 2199 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC23957  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12272 Napa Near summit of Mt. St. Helena Comment
  CAS-BOT-BC23960  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-5-5 11300 Napa Mt. St. Helena Comment
  CAS-BOT-BC23981  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11117 Napa Mt. St. Helena Comment
  CAS-BOT-BC23983  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-7 4697 Napa Mt. St. Helena Comment
  CAS-BOT-BC23987  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12261 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23999  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11108 Napa Mt. St. Helena Comment
  CAS-BOT-BC24017  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4564 Napa Crater Country, near Mt. St. Helena Comment
  RSA40453  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit Mt. St. Helena. Comment
  UC796527  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa on saddle about 1.5 mi from summit of Mt. St. Helena 1066 Comment
  UCR212319  Arctostaphylos canescens subsp. canescens Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD148753  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5497 Napa Napa County; Archer Taylor Preserve, south of Bismark Knob. 704 Comment
  JEPS120407  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5498 Napa Archer Taylor Preserve, east slope of Bismark Knob above Devil's Well. Comment
  JEPS38619  Arctostaphylos columbiana Anson S. Blake Apr. 1923 Napa Moore Creek Howell Mountain Comment
  UCD50910  Arctostaphylos glandulosa A. E. Wieslander 871 1939-3-18 871 Napa 1.5 miles northeast of Mt. Veeder. 304 Comment
  UCD50911  Arctostaphylos glandulosa Amelie Blyth 1952-4-27 6- 8 Napa Along road near top of Mt. Vaca, Napa-Solano County line. Comment
  UCD73454  Arctostaphylos glandulosa Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD82609  Arctostaphylos glandulosa Ellen Dean; T. Starbuck 2009-5-4 5547 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC24863  Arctostaphylos glandulosa subsp. cushingiana Gertrude Raven Hardman 1967-12-25 s.n. Napa Pope Valley Comment
  CAS-BOT-BC24867  Arctostaphylos glandulosa subsp. cushingiana Peter H. Raven 1952-8-27 5156 Napa Fire trail below Lokoya. 396 Comment
  CAS-BOT-BC23101  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood; John Thomas Howell 1939-6-11 7433 Napa Hills west of Calistoga Comment
  CAS-BOT-BC23103  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-7-13 5353 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC23142  Arctostaphylos glandulosa subsp. glandulosa C. Hart Merriam 1919-9-12 s.n. Napa Grade 4 miles NE Comment
  RSA181908  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1936-12-7 17994 Napa Four Corners, Howell Mt. Comment
  UCSB24479  Arctostaphylos glandulosa subsp. glandulosa McMinn, Howard 1936-4-4 Napa Howell Mt., 3 miles south of Angwin Comment
  OBI14645  Arctostaphylos manzanita H. E. McMinn 1936-4-4 4390 Napa Howell Mt 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
  UCD52040  Arctostaphylos manzanita Heidi E. M. Dobson 1978-4-8 315 Napa East slope of Mt. Veeder. Comment
  CAS-BOT-BC38917  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1926-10-3 2198 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC24287  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade 2 mi. below Hawkins Mt. Canyon. Comment
  CAS-BOT-BC38727  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7947 Napa Mt. St. Helena Comment
  CAS-BOT-BC38736  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1922-3-26 11114 Napa Mt. St. Helena 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
  JEPS122812  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5107 Napa Pope Valley Road just north of tributary of Pope Creek. QUAD: Aetna Springs. Comment
  JEPS38880  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa near St. Helena; Napa Range, Glass Mt. Comment
  RSA70407  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-3-23 4561 Napa Near Mt. St. Helena. Comment
  UC571210  Arctostaphylos manzanita subsp. manzanita H. L. Mason 1925-1-22 1205 Napa Wooden Valley Grade Comment
  UCR228653  Arctostaphylos manzanita subsp. manzanita Ellen Dean, Stephen Rae 2008-5-21 4983 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 274 Comment
  CAS-BOT-BC43849  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5768 Napa between Franz Valley & Calistoga Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga Comment
  CAS-BOT-BC43855  Arctostaphylos stanfordiana H. E. McMinn 1926-1-2 1630 C Napa Mt. St. Helena Comment
  CAS-BOT-BC43862  Arctostaphylos stanfordiana C. Hart Merriam 1906-8-15 s.n. Napa Mt. St. Helena (East side) Comment
  JEPS38679  Arctostaphylos stanfordiana W. L. Jepson 1913-4-15 5317 Napa Howell Mt. Napa Range 609 Comment
  UC193330  Arctostaphylos stanfordiana C. C. Parry April 1888 Napa Calistoga Comment
  UC421586  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa along trail to summit Mt. St. Helena Comment
  UC876543  Arctostaphylos stanfordiana Lewis S. Rose 1937-4-4 37019 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  SEINET8729965 Image available Arctostaphylos stanfordiana Lewis S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi. NE. of Napa. 274 Comment
  UCD73433  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  RSA15667  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA178671  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1932-3-12 5767 Napa Hillside between Calistoga and Franz Valley. Comment
  RSA293009  Arctostaphylos stanfordiana subsp. stanfordiana Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 A- 750 Napa Mt. Saint Helena. Comment
  RSA52686  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1949-4-30 12084 Napa On saddle bout 1.5 mi. from summit of Mt. St. Helena. Comment
  HSC7715  Arctostaphylos viscida Greg Bos 1963-3-3 27 Napa Putah Creek entrance to Lake Berryesa 152 Comment
  UCD47966  Arctostaphylos viscida R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 3 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UC763122  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-27 4950 Napa e side Mt. St. Helena Comment
  JEPS38779  Arctostaphylos viscida subsp. viscida W. L. Jepson 1916-8-7 6840 Napa Moore's Creek Howell Mountain Comment
  JEPS58782  Arctostaphylos viscida subsp. viscida W. L. Jepson 1938-5-22 18829 Napa Snell Valley Comment
  JEPS78440  Arctostaphylos viscida subsp. viscida Edward Lee 1936-3-15 1809 Napa Rutherford-Pope Valley Rd 10.7 mi out Rutherford Comment
  CAS-BOT-BC400456  Aristolochia californica Annetta M. Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pope Valley Comment
  LA76972  Aristolochia californica Annetta M. Carter; 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 mi. out of Rurtherord on road to Pope Valley Comment
  RSA82765  Aristolochia californica W. M. Grannell 1950-3-10 8 Napa Putah Canyon Comment
  UC6152  Aristolochia californica Mrs. D. O. Hunt 1899-2-27 Napa roadside near Lyman's Meadow, St. Helena St. Helena, Lyman's Meadow Comment
  JEPS35590  Arnica discoidea L. R. Heckard 1964-6-11 1364 Napa along Cal. 121 about 1/2 mi w of the first road summit e of Napa Comment
  SEINET251850  Artemisia arbuscula subsp. arbuscula L. Shultz, J. Shultz 1986-9-20 10231 Napa Hills west of Calistoga 180 Comment
  CDA11261  Artemisia californica G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11916 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Below old homestead. Comment
  JEPS104524  Artemisia californica Jake Ruygt 1979-11-24 798 Napa 2.3 miles north of Monticello Rd. on Atlas Peak Rd. 79 Comment
  JEPS49848  Asclepias eriocarpa W. L. Jepson 1936-7-6 17654 Napa ca. 5 mi s Monticello (where the road from Sage Canyon joins the Napa-Monticello road); Soda Creek Comment
  SBBG230  Aspidotis californica E. R. Blakley 1956-12-23 2033 Napa Bells Cyn, 2 mi W of Angwin 457 Comment
  CAS-BOT-BC68859  Aspidotis californica Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5339 Napa N. side Pope Creek, Samuels Springs to Walters Springs 243 Comment
  JEPS60031  Aspidotis densa W. L. Jepson 1938-5-22 18815 Napa Limekiln Creek Canyon; Pope Valley Comment
  SJSU1350  Aspidotis densa J. W. Tilden 1953-5-24 1036 Napa Mt. St. Helena 457 Comment
  CAS-BOT-BC69616  Aspidotis densa Ira L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake County Line. 853 Comment
  RSA52712  Aspidotis densa I. L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake county border 854 Comment
  POM215111  Aster sonomensis J. T. Howell 1932-10-8 10797 Napa 7 miles south of Napa Comment
  CAS-BOT-BC478055  Asteraceae Paul F. Covel 1940-4-28 1709 Napa CCC-Las Posadas Camp - near Pac. Union College Comment
  CAS-BOT-BC180463  Astragalus breweri Robert F. Hoover 1941-4-26 4920 Napa Between Walter Springs and Pope Valley Comment
  JEPS54545  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  RSA424721  Astragalus claranus Aaron Liston, M. Blumler, B. Grummer 1987-4-25 661 -1 Napa NE side of Lake Hennessey, Conn Valley Road. Comment
  CAS-BOT-BC178675  Astragalus clevelandii H. D. Ripley; R. C. Barneby 1945-1-21 6935 Napa 3 miles N. of Aetna Springs 198 Comment
  JEPS107255  Astragalus clevelandii Jake Ruygt 1998-7-6 4077 b Napa Butts Canyon about 0.3 mile north of Snell Valley Road. 377 Comment
  UC764110  Astragalus clevelandii R. F. Hoover 1941-8-24 5577 Napa e side Mt. St. Helena Comment
  JEPS107252  Astragalus gambelianus Jake Ruygt 1989-4-22 2284 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 304 Comment
  CAS-BOT-BC178294  Astragalus gambelianus Peter H. Raven 1955-3-20 8245 Napa Slopes just below Hennessey Lake, Conn Valley. 121 Comment
  UCD161747  Athysanus pusillus Jake Ruygt 1994-2-26 3403 Napa Chiles Canyon at marker 3.0, 0.4 mile to Chiles Valley Road. 274 Comment
  UCD18015  Athysanus pusillus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 560 Napa Napa County. McLaughlin Reserve. South side of Knoxville-Berryessa Rd., just north of Hunting Creek, SE of Research Hill, by turnout and gate. Joe Callizo calls this area 'Cloaca of Morgan Valley. 609 Comment
  HSC43958  Avena barbata Robert M. Specht 1977-4-19 682 Napa Above drainage running NE from Adams Creek. 518 Comment
  CAS-BOT-BC145927  Avena fatua E. Ruckert 1960-4-29 120 Napa 6465 Dry Creek Road. Pond 300 yards from house. 365 Comment
  CAS-BOT-BC145929  Avena fatua Peter H. Raven 1952-5-9 4082 Napa Napa River 1 mile north Napa. 60 Comment
  UCD56313  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3539 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCD56374  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley. 1 mile south of Rutherford. State Highway 128. Comment
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  UCD19330  Baccharis pilularis M. A. Bibbo; E. Dean 2001-7-6 22 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. 0.2 air miles from jct of W and E roads. 312 Comment
  JEPS106777  Barbarea orthoceras Jake Ruygt 1986-1-29 1626 Napa .4 miles south of Oak Knoll Ave. on Silverado Trail 21 Comment
  UCD160042  Barbarea vulgaris Catherine Koehler 2012-5-23 Napa McLaughlin UC Reserve. Hunting Creek between Hunting Creek Campground and contractor road. 365 Comment
  UCD38368  Barbarea vulgaris Beecher Crampton 1955-4-4 2386 Napa 0.5 mile east of St. Helena, Silverado Trail. Comment
  UCD170441  Bellardia trixago Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 913 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 407 Comment
  UCD48229  Bellardia trixago K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 28 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of creek, east of Old Knoxville Rd. 426 Comment
  UC1177880  Bellardia trixago Francia Chisaki 1957-5-30 967 Napa 0.2 mi s Highway 37 junction with Highway 28 (across from Old Raney Ranch) Comment
  JEPS106878  Berberis pinnata subsp. pinnata Jake Ruygt 1982-3-10 1127 Napa north of American Canyon on county line 280 Comment
  CDA34672  Bergia texana L. Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  CHSC102255  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  RSA769216  Bergia texana L. Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  UCD148774  Beta vulgaris subsp. maritima Jake Ruygt 1991-9-14 2838 Napa Napa County; American Canyon, northwest of end of Mini Drive. 2 Comment
  JEPS104573  Blennosperma nanum Jake Ruygt 1978-1-25 227 Napa 1 mile north of Soda Canyon Rd. on Silverado Trail 19 Comment
  SEINET3166338  Boechera breweri subsp. breweri P. J. Alexander, C. D. Bailey 2009-3-31 971 -A, B, C Napa North Coast Ranges, Robert Louis Stevenson State Park, SE side of Mount Saint Helena along the road to the peak, 1.65 miles SE of the summit, 5.4 miles NNW of Calistoga. 1052 Comment
  JEPS110686  Boisduvalia densiflora Jake Ruygt 1980-6-21 934 Napa Bear Valley 633 Comment
  PASA1885  Boisduvalia densiflora Frank W. Peirson 1928-7-4 Napa Summit of St. Helena Grade Comment
  UC841023  Bolboschoenus robustus Milo S. Baker 1932-10-8 6039 Napa bank of Napa River at Cuttings Wharf; bank of Napa River at Cuttings Wharf Comment
  JEPS110603  Boschniakia strobilacea Jake Ruygt 1999-5-22 4167 Napa Livermore Ranch on road south of White Point. 826 Comment
  UCD20423  Brachypodium distachyon E. Dean; w/ PLB 102 class 2002-5-4 1010 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  UCD81828  Brachypodium distachyon Ellen Dean 2009-4-24 5455 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  JEPS106841  Brassica rapa Jake Ruygt 1977-2-22 131 Napa 100 yds south of Trancas St. on Big Ranch Rd. 13 Comment
  UCD57145  Briza maxima Beecher Crampton 1965-5-13 7335 Napa Ca. 3 miles SE of Calistoga Silverado Trail. Comment
  SEINET6165242 Image available Brodiaea laxa Unknown 1981-6-22 s.n. Napa 9.9 miles S. of Middleton, down Butts Canyon Rd. Comment
  JEPS110910  Brodiaea leptandra Jake Ruygt 1987-6-6 2033 Napa Devil's Canyon 548 Comment
  UCD77197  Brodiaea leptandra Robert E. Preston 2004-6-26 2265 Napa Angwin, along Las Posadas Rd, ca. 1.1 mi from Howell Mountain Rd 512 Comment
  UCD37685  Bromus Beecher Crampton 1961-6-12 5902 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. 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
  JEPS123014  Bromus carinatus var. carinatus Jake Ruygt 1991-4-17 2622 b Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Quad: Rutherford. Comment
  JEPS123001  Bromus catharticus var. elatus Jake Ruygt 1995-4-8 3417 Napa Silverado Trail at Souza Lane, Napa. Quad: Napa. Comment
  UCD58437  Bromus commutatus M. Wiesendanger 1927-5-4 677 Napa Near Monticello. Comment
  JEPS123011  Bromus diandrus Jake Ruygt 1992-5-20 2991 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UCD120796  Bromus diandrus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7333 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CAS-BOT-BC155071  Bromus hordeaceus Peter H. Raven 1953-5-2 5358 Napa Yountville. Along railroad tracks. 76 Comment
  JEPS76097  Bromus hordeaceus W. L. Jepson 1938-5-25 18870 Napa Napa Range, Howell Mountain, Bell Canyon Bell Canyon; Napa Range, Howell Mountain, Bell Canyon 579 Comment
  UCD58765  Bromus hordeaceus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  JEPS123004  Bromus laevipes Jake Ruygt 1987-5-9 1972 Napa 1 mile east of Atlas Peak Road on Monticello Road. Quad: Mount George. Comment
  JEPS82331  Bromus laevipes Roger Raiche 1982-1-16 20027 Napa n of Napa (along Route 121 (3.5 mi w of intersection with Route 128)); Route 121 Comment
  UCD58612  Bromus laevipes Jack A. Thiel 1955-5-21 s.n. Napa About 10 miles south of Knoxville. Monticello-Lower lake Road. Comment
  UCD58930  Bromus laevipes Beecher Crampton 1957-6-4 4108 Napa Above Capell Creek. North end of Capell Valley. Comment
  HSC43974  Bromus madritensis subsp. rubens Robert M. Specht 1977-4-19 689 Napa Along drainage running NE from Adams Creek. Comment
  CAS-BOT-BC161828  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa. Cemetary. Comment
  CAS-BOT-BC161831  Bromus rubens Peter H. Raven 1953-4-2 5287 Napa Burn east of Tulucay Creek. 426 Comment
  UCD159919  Bromus rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.West section. 243 Comment
  UCD18056  Bromus rubens Ellen Dean; with Plant Biology 102 class 2000-4-22 610 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  CAS-BOT-BC161637  Bromus sterilis G. L. Stebbins, Jr. 1953-4-19 5300 Napa Suisun Valley to Wooden Valley. 121 Comment
  CAS-BOT-BC161639  Bromus sterilis Peter H. Raven 1951-4-8 2765 Napa Yountville. 48 Comment
  UCD73502  Bromus sterilis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC1146620  Calamagrostis rubescens Freed W. Hoffman 1944-7-7 1973 Napa North Coast Ranges; Trinity Road Comment
  CAS-BOT-BC233997  Calandrinia breweri John Thomas Howell 1931-4-2 6060 Napa Wooden Valley Grade 5 miles east of Napa Comment
  JEPS52607  Calandrinia ciliata Willis L. Jepson 1893-4-27 Napa hills near Veteran's Home; Napa River Basin, Yountville Comment
  CDA6851  Calendula arvensis B. Bond 1952-3-13 Napa South of Napa. 0 Comment
  UC146148  Callitriche heterophylla var. bolanderi J. P. Tracy 1902-5-21 1614 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  JEPS120389  Callitriche heterophylla var. bolanderi Jake Ruygt 1983-4-7 1177 Napa east of Rocktram, west of Hwy 221, Suscol Plain Comment
  UC14990  Calochortus amabilis J. P. Tracy 1902-5-15 1480 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD139478  Calochortus amabilis H. Popenoe 1949-5-1 19 Napa one mile from Pope Valley on road to St. Helena. Comment
  UCD139481  Calochortus amabilis R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD48260  Calochortus amabilis B. Takahashi; S. Burgess, A. Ryan, J. Pierner, A. Hufton 2000-4-29 1 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  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
  CAS-BOT-BC488489  Calochortus amabilis R. Baeigalupi 1925-4-26 1226 Napa hills 1 mi north of Napa Soda Springs Comment
  RSA52662  Calochortus amabilis I. L. Wiggins 1949-4-30 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  RSA68639  Calochortus amabilis J. T. Howell 1931-4-2 6076 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UCD161497  Calochortus luteus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8654 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
  SEINET8197377  Calochortus luteus W. Roderick 1967-5-20 s.n. Napa Snell Valley. 457 Comment
  JEPS8947  Calochortus splendens Rimo Bacigalupi with L. T. Dempster and G. T. Robbins 1954-5-25 4507 Napa 8.2 mi e Conn Lake (reservoir) (slopes above Soda Creek on State Route 28) Comment
  CAS-BOT-BC483612  Calochortus tolmiei Peter H. Raven 1964-5-9 19056 Napa 2 miles west of Aetna Springs Comment
  CAS-BOT-BC132620  Calochortus uniflorus Milo S. Baker 1927-4-23 2202 a Napa Calistoga Geyser Comment
  UC457170  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa just nw Calistoga (geysers, nw Napa County) Comment
  UCD160784  Calochortus vestae Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8664 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  CAS-BOT-BC496927  Calochortus vestae Betty H. Johnson 1958-6-15 630 Napa 6.4 miles southwest of Middletown Comment
  UCD166653  Calochortus vestae Jake Ruygt 1995-6-5 3491 Napa 1.5 miles south of Lake Hennessey on private (Taylor) road. 402 Comment
  UC1876221  Calycadenia fremontii Gerald D. Carr 1971-10-23 683 Napa Junction of lower Chiles Valley and Pope Valley Rds. Comment
  UC1876235  Calycadenia fremontii Gerald D. Carr 1971-8-6 620 Napa Lake Hennessey, Hwy 128, 1.7 mi SW of Chiles-Pope Valley Rd. 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-BC270614  Calycadenia multiglandulosa David D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  POM268784  Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  JEPS106901  Calycadenia pauciflora Jake Ruygt 1979-7-21 762 Napa corner of Snell Valley Rd. and Butts Can yon Road 198 Comment
  JEPS38539  Calycadenia pauciflora W. L. Jepson 1916-8-6 6831 Napa Howell Mt. Comment
  JEPS38588  Calycadenia pauciflora W. L. Jepson 1897-7-12 Napa Samuels Springs Comment
  UCD129846  Calycadenia pauciflora Gerald D. Carr 1972-8-21 729 Napa 3.0 miles northeast of Chiles and Pope Valley Road on Pope Canyon road. 182 Comment
  CAS-BOT-BC270820  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 0.25 mile W of Berryessa - Knoxville Road on Highway 128 Comment
  JEPS104713  Calycadenia pauciflora John L. Morrison 1936-9-19 1947 A Napa Knoxville Mines 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
  UC1876641  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mi NW of Knoxville on Morgan Valley Rd. 457 Comment
  UCD129902  Calycadenia pauciflora Gerald D. Carr 1971-9-20 665 Napa 0.8 mile southeast of Berryessa-Knoxville Road on Hwy 128. 213 Comment
  UC668209  Calycadenia truncata Joseph P. Tracy 1938-8-7 16090 Napa 5 mi n of Napa City; Soda Creek Canyon 91 Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  CAS-BOT-BC271575  Calycadenia truncata subsp. truncata Mrs. C. E. Miller 1918-8-1 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271558  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC90961  Calycanthus occidentalis Mrs. H. C. Cantelow 1940-4-21 2993 Napa Monticello Grade. Comment
  CDA29117  Calycanthus occidentalis D. G. Kelch, Daniel Weinstein 2009-6-21 9 .443 Napa Near Skyline Park. Comment
  JEPS20255  Calycanthus occidentalis W. L. Jepson 1942-11-1 20747 Napa Yankee Creek Comment
  RSA456153  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  UC1536921  Calycanthus occidentalis Gordon H. True Jr. 1937-6-21 731 Napa near Lokoya Lodge 365 Comment
  UCD137894  Calycanthus occidentalis P. B. Kaufman 1950-4-28 37 Napa Putah Canyon. Comment
  UCD137908  Calycanthus occidentalis H. Popenoe 1949-6-5 35 Napa Putah Canyon west of Winters, at Napa-Yolo County line. Comment
  SEINET12093077  Calycanthus occidentalis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -332 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET8690276 Image available Calycanthus occidentalis Marion Ownbey, Ruth P. Ownbey 1938-7-9 1700 Napa 6 mi NE of Napa Comment
  JEPS100378  Calyptridium quadripetalum Dean W. Taylor 2001-5-15 17657 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS41086  Calyptridium quadripetalum Rimo Bacigalupi and L. R. Heckard 1965-5-15 9091 Napa headwaters of creek 1/2 mi se Devilhead Road (from Knoxville to Cedar Valley) (ne Napa Co.); Zim Zim Creek 487 Comment
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  CAS-BOT-BC221553  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19849 Napa 17 km NE of Calistoga, Butts Canyon 2 km S of Snell Valley turn-off 400 Comment
  JEPS31598  Calystegia collina subsp. oxyphylla W. L. Jepson 1924-4-27 10381 Napa e Mt. St. Helena; e of Mt. St. Helena Comment
  UC1965405  Calystegia occidentalis R. K. Brummitt, B. Ertter and J. A. Ruygt 2012-6-16 22058 Napa Napa City, Alston Park near Dry Creek Road Comment
  UCD164771  Calystegia occidentalis subsp. occidentalis Jake Ruygt 2014-5-19 5945 Napa Sutro Ranch, Atlas Peak. 762 Comment
  UCD48863  Calystegia purpurata K. Mogel; B. Pekin and M. Higley 2002-5-4 18 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the upper road that leads to the power lines; on side of road. 335 Comment
  JEPS126103  Calystegia purpurata subsp. purpurata Jake Ruygt 1978-5-14 313 Napa 0.6 miles N of Oakville Cross Road on Silverado Trail. Yountville 7.5' Qua. Comment
  JEPS47832  Calystegia subacaulis Willis L. Jepson 1893-4-24 14524 Napa Hills easr of St. Helena to Conn Valley, Napa River Basin Comment
  CAS-BOT-BC493391  Camassia quamash subsp. linearis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  POM66475  Camissonia ovata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS122758  Camissoniopsis hirtella Jake Ruygt 2007-5-17 5176 Napa Duff Ranch, NW of Potato Hill. Quad: Calistoga. Comment
  UC20482  Camissoniopsis hirtella Willis L. Jepson 1892-7 Napa near Knoxville Comment
  UCD167262  Camissoniopsis hirtella Jake Ruygt 2005-5-14 4842 Napa Ridge on west side of the mouth of Long Canyon. 426 Comment
  JEPS106555  Campanula angustiflora Jake Ruygt 1992-5-15 2959 b Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UCD75840  Campanula angustiflora Jake Ruygt 2005-6-1 4890 Napa Blue Ridge, about 1 mile north of Mays Flat. 737 Comment
  UCD75839  Campanula griffinii Jake Ruygt 1996-5-14 3691 Napa White Cliff Springs, Elder Valley, Sabini property. 384 Comment
  CAS-BOT-BC37584  Cardamine californica John H. Thomas 1966-3-22 11531 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 609 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
  UC583409  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa 4 mi n Calistoga (Mayacama Mountains, Crater Region); Mayacama Mountains, Crater Region, n of Calistoga Comment
  UCD170198  Cardamine californica Daniel Potter 2015-3-14 759 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 248 Comment
  UCD18023  Cardamine hirsuta Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 569 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  CDA3660  Cardaria chalepensis G. D. Barbe 1984-4-24 4152 Napa Along east shore of Lake Berryessa at Funning Deer Ranch 2.5 miles south of Knoxville-Berryessa Road. 0 Comment
  CDA7772  Cardaria chalepensis Robin Breckenridge 2008-5-8 PDR# 1313560 Napa Napa, DFG Preserve/Lk Berryessa, Eastside Rd. 0 Comment
  JEPS106779  Cardaria draba Jake Ruygt 1981-5-3 1009 Napa American Canyon east of Flosden Rd. 42 Comment
  UCD35854  Carduus pycnocephalus Beecher Crampton 1965-5-13 7337 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. 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
  RSA156058  Carduus pycnocephalus Peter H. Raven 1962-5-31 17922 Napa 3.8 miles north of junction of State Hwy. 37 with road to Fairfield Comment
  UCD85855  Carduus pycnocephalus Peter H. Raven 1950-5-6 2007 Napa West branch of the Napa River where it meets Rt. 29 approximately 1 mile north of Calistoga. 91 Comment
  POM118370  Carex Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD161335  Carex barbarae Jake Ruyget 1982-6-29 1341 Napa Napa County : 0.6 miles south of Yountville on Highway 29. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UC826510  Carex barbarae Wilhelm N. Suksdorf 1913-7-24 619 Napa On a high bank of the Napa River below the town. Comment
  CDA11437  Carex bolanderi G. F. Hrusa, M. Tu 1995-5-6 12160 Napa North Coast Biodiversity Arena; Shade of redwoods along Moores Creek in Las Posadas State Forest. Clumping in moist site at edge of Creek. Perennial. Comment
  UCD161684  Carex bolanderi Jake Ruygt 2008-6-22 5352 Napa Aetna Mine Road at James Creek. 307 Comment
  POM118371  Carex densa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC824766  Carex densa Lewis S. Rose 1935-6-4 35193 Napa Roadside ditch Oakville Comment
  UCD140261  Carex densa K. Esau 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UCD148832  Carex densa Ellen Dean; Diana Hickson 2014-4-29 8137 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD161334  Carex densa Jake Ruygt 1982-4-25 1204 Napa Large meadow at base of Swartz Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  UCD73493  Carex densa Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC1158106  Carex feta Joseph P. Tracy 1950-5-23 18670 Napa La Jota Plateau Howell Mountain 518 Comment
  CAS-BOT-BC20850  Carex globosa John Thomas Howell 1941-4-5 16158 Napa Franz Valley. Comment
  UC1023488  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa e Napa; Sarco Creek 60 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
  CAS-BOT-BC119512  Carex nudata Ella D. Cantelow 1939-4-8 2501 Napa 3.5 mi NW of Knoxville. Comment
  CDA13209  Carex nudata G. F. Hrusa, M. J. Geitner 1996-4-2 12823 Napa North Coast Biodiversity Arena; MonteSol Ranch, +/- 10 mi. S of Middletown (Lake Co.). Monte Sol Creek. Comment
  JEPS121338  Carex nudata Jake Ruygt 1978-4-6 267 Napa 2. [sic] miles west of Dry Creek on Redwood Road Comment
  CAS-BOT-BC119516  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  JEPS63673  Carex nudata W. L. Jepson 1920-7-12 9070 Napa upper Chiles Creek below old mill; Napa Range, Chiles Creek Comment
  SEINET10711629  Carex nudata Alice Eastwood, John Thomas Howell 1937-4-4 Eastwood 3826 Napa Rocky stream-bed near summit north of Wooden Valley. Comment
  UCD140700  Carex obnupta P. B. Kaufman 1950-4-28 35 Napa adjacent to U.S. Highway 99W bridge, 3.9 miles northwest of Davis. Comment
  UCD161702  Carex praegracilis Jake Ruygt 2010-5-1 5531 Napa Hunting Creek near campground. (Coorindates converted from UTM data by label maker.) 329 Comment
  CHSC83355  Carex serratodens L. P. Janeway; B. Castro 2002-5-12 7529 Napa Inner North Coast Ranges. Small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS100376  Carex subfusca Dean W. Taylor 2001-5-15 17650 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UCD161586  Carex tumulicola Jake Ruygt 2008-4-24 5304 -e Napa center divide of Highway 221 about 1/4 mile north of Highway 29 intersection. 30 Comment
  CDA6964  Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa F. J. Tamangi property, west of Silverado Trail, 0.5 mile north of Larkmead Lane, ca. 2 miles southeast of Calistoga. 0 Comment
  SEINET13331028 Image available Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa Scattered patches in dry pasture F.J. Tamangi property, W. of Silverado Trail, 0.5 mi. N. of Larkmead Lane, 2 mi. SE of Calistoga Comment
  RSA296388  Castilleja affinis W. L. Jepson 1938-5-24 18839 Napa Near Four Corners, Howell Mountain. Comment
  POM182742  Castilleja affinis D. D. Keck 1931-4-2 1042 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS29588  Castilleja affinis subsp. affinis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8445 Napa .33 air mi se Atlas Peak (along Atlas Peak road, about 0.25 mi s of end of public road) 670 Comment
  UC1334851  Castilleja ambigua subsp. ambigua L. D. Thurman 1964-4-24 427 Napa 5.5 mi n Napa (Silverado trail) Comment
  JEPS103917  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7834 Napa 3 mi N of Angwin, along Ink Gade Rd. Comment
  JEPS1214  Castilleja applegatei subsp. martinii Milo S. Baker 1941-6-30 10153 Napa n grade to Sanitorium from St. Helena town (near junction with s grade) Comment
  JEPS5853  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa 10 mi w Winters (In Putah Canyon above Recreation Beach); Putah Canyon Comment
  JEPS62590  Castilleja applegatei subsp. martinii T. I. Chuang with Fei-Mei Chuang 1970-7-25 6832 Napa 4.8 mi s Napa-Lake County line (on Highway 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
  JEPS86222  Castilleja attenuata L. R. Heckard 1970-5-4 2448 Napa ca 10 mi n Vallejo (on n side of Kelly Rd, 0.5 mi n of CA Hwy 12, near junction of Hwy 12 and Hwy 29) Comment
  UC1537455  Castilleja attenuata Gordon H. True Jr. 1938-4-14 865 Napa Yountville Comment
  JEPS9410  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 4 Napa Napa, hills sw Napa Comment
  JEPS9411  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 3 Napa Napa, hills sw Napa Comment
  JEPS10340  Castilleja exserta subsp. exserta W. L. Jepson 1915-4-13 5307 Napa Howell Mt. 609 Comment
  JEPS10341  Castilleja exserta subsp. exserta Willis L. Jepson 1893-4-28 21378 Napa n of Mt. George; Napa River Basin Comment
  CDA11898  Castilleja foliolosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11722 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCD18159  Castilleja foliolosa Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  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
  CAS-BOT-BC241284  Castilleja latifolia Peter H. Raven 1954-2-22 6416 Napa Hills n. of White Sulphur Ck., W. of Saint Helena 152 Comment
  OBI9646  Castilleja minor var. spiralis Robert F. Hoover 1966-8-23 9935 Napa Butts Cyn, near Lake Co line Comment
  UCD170747  Castilleja pruinosa 1997-4-27 2 Napa Underneath a tree, on a mild slope. 0.6 miles east of the Yolo county line on Highway 128, on the slope next to a large turnout on Highway 128. Collector described locality as Napa County, but 0.6 miles E of the Yolo county line is in Yolo County. 295 Comment
  JEPS100900  Castilleja rubicundula subsp. lithospermoides Dean W. Taylor 1998-5-14 16435 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  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
  JEPS4495  Castilleja rubicundula subsp. lithospermoides Rimo Bacigalupi and J. R. Sweeney 1953-5-26 4124 Napa 5.5 mi n Calistoga (S.P. station crossing in town) (along road to Middletown (Calif Hwy 29)) 411 Comment
  JEPS2514 Image available Castilleja spiralis W. L. Jepson 1897-7-13 21113 Napa Butt's Canyon (Pope Valley to Coyote Valley); ; Butt's Canon, (Pope Valley to Coyote Valley), Napa Co. Comment
  UCD161612  Catalpa Jake Ruygt 2001-9-22 4335 Napa NE corner of Highway 29 at Trancas St. 22 Comment
  CAS-BOT-BC83848  Ceanothus confusus D. O. Burge 2008-5-31 1005 c Napa Mayacmas Mountains, York Creek 200 Comment
  CAS-BOT-BC48940  Ceanothus cuneatus Alice Eastwood; John Thomas Howell 1939-6-11 7422 Napa Hood Mt. Range sw. of Oakville Comment
  CDA11901  Ceanothus cuneatus G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 A Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UCD19322  Ceanothus cuneatus M. A. Bibbo; E. Dean 2001-7-6 14 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
  CDA35563  Ceanothus cuneatus T. C. Fuller 1962-3-27 7897 Napa North of Hwy. 128, 5 miles west of Monticello Dam. 0 Comment
  RSA0056195  Ceanothus cuneatus Keith E. Hoffmaster 1946-3-23 1225 Napa Napa range, along Napa-Monticello road. Comment
  JEPS110720  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-3-30 2618 Napa crest of Oakville Grade 274 Comment
  JEPS42095  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-5-1 13990 Napa nw Calistoga (Franz Valley grade, on divide) Comment
  JEPS42189  Ceanothus cuneatus var. cuneatus W. L. Jepson 1904-6-3 2447 Napa Howell Mt. Comment
  JEPS42196  Ceanothus cuneatus var. cuneatus W. L. Jepson 1913-4-15 5313 Napa Howell Mt. 609 Comment
  CAS-BOT-BC49114  Ceanothus cuneatus var. ramulosus Elizabeth Mrs. Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  RSA602255  Ceanothus dentatus Louis C. Wheeler 1952-8-30 6874 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC49788  Ceanothus divergens John Thomas Howell 1941-4-5 16168 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49792  Ceanothus divergens Mrs. Elizabeth Wright 1922-4-17 s.n. Napa near Calistoga Comment
  CAS-BOT-BC49804  Ceanothus divergens H. E. McMinn 1926-1-2 1627 Napa Along trail up Mt. St. Helena Comment
  CAS-BOT-BC49805  Ceanothus divergens H. E. McMinn 1922-3-27 49 Napa Mt. St. Helena Comment
  CAS-BOT-BC64439  Ceanothus divergens John Thomas Howell 1926-3-21 1705 Napa Trail to top of Mt. St. Helena. Comment
  JEPS33672  Ceanothus divergens John Thomas Howell 1926-3-21 1705 Napa trail to top of Mt. St. Helena Comment
  UC903052  Ceanothus foliosus Ethel Crum 1937-4-19 1779 Napa 6 mi n Napa; Mt. George, Napa Range 304 Comment
  CAS-BOT-BC50909  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4566 Napa Petrified Forest Comment
  CAS-BOT-BC50918  Ceanothus foliosus var. foliosus John Thomas Howell 1926-3-21 1706 Napa Trail to top of Mt. St. Helena Comment
  UCD112138  Ceanothus foliosus var. foliosus Heidi E. M. Dobson 1978-5-6 318 Napa East slope of Mt. Veeder. Comment
  UCD112140  Ceanothus foliosus var. foliosus Ray Prag 1971-4-23 s.n. Napa State Highway 121, 1.9 miles south of Wooden Valley Road. 365 Comment
  UCD82599  Ceanothus foliosus var. foliosus Ellen Dean; T. Starbuck 2009-5-4 5537 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD95694  Ceanothus foliosus var. foliosus Ellen Dean; with Clare Loughran 2011-5-20 7041 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CAS-BOT-BC50788  Ceanothus integerrimus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC50792  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  UCD162738  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1625 Napa Butts Canyon Road, roadside. 222 Comment
Read comments
Dec 8 2016
  UCD170257  Ceanothus integerrimus D. O. Burge 2016-10-22 2181 Napa Roadside on Butts Canyon Road. 300 Comment
  UCD21539  Ceanothus integerrimus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 3 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next to first stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  CAS-BOT-BC538061  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, W of Putah Creek Comment
  SBBG50580  Ceanothus jepsonii R. F. Denno 1967-4-15 50 Napa 1 mi N on Lower Chiles Valley Rd off St Hwy 128 228 Comment
  UCD112064  Ceanothus jepsonii Mrs. L. Rowntree 1930-7-15 s.n. Napa Sage Canyon. Comment
  UCD112065  Ceanothus jepsonii D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  UCD170817  Ceanothus jepsonii 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
  UCD20646  Ceanothus jepsonii R. J. Blenkush; J. H. Richards 2000-1-29 40 Napa McLaughlin Reserve. 1000 feet south of intersection of Hunting Creek Road with Devilhead Road. Collected within the vicinity of the chromite prospect. 536 Comment
  UCR136728  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Coast Range, Sage Canyon 305 Comment
Read comments
Nov 27 2007
  CAS-BOT-BC32694  Ceanothus jepsonii var. albiflorus John Thomas Howell 1931-4-3 6147 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs, Napa Range Comment
  CAS-BOT-BC32695  Ceanothus jepsonii var. albiflorus John Thomas Howell 1937-7-18 13100 Napa Mt. St. Helena Creek, northern part of county Comment
  CAS-BOT-BC51128  Ceanothus jepsonii var. albiflorus Peter H. Raven 1951-5-26 2884 Napa Butts Canyon 304 Comment
  CDA11425  Ceanothus jepsonii var. albiflorus G. F. Hrusa, M. Tu 1995-5-6 12148 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  HSC60306  Ceanothus jepsonii var. albiflorus J. P. Smith, J. O. Sawyer 1970-5-17 3783 Napa 8 mi. N of Pope Valley Comment
  JEPS79614  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  UCD19331  Ceanothus oliganthus M. A. Bibbo; E. Dean 2001-7-6 23 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. 0.2 air miles from jct of W and E roads. 312 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
  CAS-BOT-BC51557  Ceanothus oliganthus var. sorediatus Lewis S. Rose 1955-4-4 55043 Napa Conn Lake, 5 mi. E. of Rutherford 152 Comment
  CAS-BOT-BC51560  Ceanothus oliganthus var. sorediatus W. L. Jepson 1891-7-7 s.n. Napa in the Vaca Mts. Comment
  JEPS110857  Ceanothus oliganthus var. sorediatus Jake Ruygt 1979-4-21 537 Napa Milliken Canyon 121 Comment
  CAS-BOT-BC53218  Ceanothus parryi Peter H. Raven 1953-5-2 5415 Napa Soda Creek Canyon ca. 2 miles below Foss Valley 335 Comment
  CAS-BOT-BC53220  Ceanothus parryi Alice Eastwood 1923-5-9 11757 Napa Mt. St. Helena Comment
  OBI10390  Ceanothus parryi Milo S. Baker 1934-4-12 7723 Napa E slope of Mt St. Helena along hwy Comment
  UC79858  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC79859  Ceanothus parryi Katharine Brandegee 1889-4 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC79860  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCD112501  Ceanothus parryi Ray Prag 1970-6-9 s.n. Napa Highway 121, 2.2 miles south of junction with Wooden Valley Road. Comment
  POM91088  Ceanothus parryi C. C. Parry 1888-1 s.n. Napa Calistoga. Comment
  HSC18366  Ceanothus prostratus C. B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  CAS-BOT-BC52194  Ceanothus purpureus Roman Gankin 1966-3-3 684 Napa at roadside, State Highway 121, 1.9 miles Southwest of its junction with Wooden Valley Road Comment
  CAS-BOT-BC52195  Ceanothus purpureus Mrs. H. C. Hand 1913-6-8 s.n. Napa Napa mountains Comment
  JEPS110727  Ceanothus purpureus Jake Ruygt 1995-3-29 3412 Napa about 2 mi S of Sage Canyon Road across from boat ramp 457 Comment
  JEPS110729  Ceanothus purpureus Jake Ruygt 1977-3-7 147 Napa east of east end of Westgate Dr., Silverado 274 Comment
  RSA19010  Ceanothus purpureus J. T. Howell 1937-7-4 s.n. Napa Wooden Valley Grade Comment
  RSA202156  Ceanothus purpureus W. L. Jepson 1924-4-27 10321 Napa Howell Mt., a little below Toland House on Sanitarium road. 549 Comment
  RSA293486  Ceanothus purpureus C. W. Tilforth, J. Dourley 1979-7-22 1853 Napa Along Wooden Valley Road, NE of Napa Comment
  RSA676704  Ceanothus purpureus L. S. Rose 1937-4-4 s.n. Napa Gorges N of Mt. George near Napa, Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  RSA758696  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 905 c Napa Atlas Road, at roadside 5.7 road miles north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 degrees true north-northeast of Napa. 410 Comment
  UCD112679  Ceanothus purpureus Roman Gankin 1966-3-3 685 Napa State Highway 121, 1.9 miles southwest of its junction with Wooden Valley Road. Comment
  SBBG50595  Ceanothus sonomensis I. Onwueme 1966-4-28 20 Napa ca. 2 mi E of Pope Valley 213 Comment
  SEINET3076020 Image available Ceanothus tomentosus Royal D. Suttkus 1967-6-26 67- 30 -12 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC277208  Centaurea solstitialis R. E. Frenkel 1963-10-27 297 Napa In the vinyard north of Oakville Cross Road Comment
  UC1198632  Centaurium muehlenbergii Joseph P. Tracy 1899-7-12 436 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  UC153976  Centaurium muehlenbergii Joseph P. Tracy 1905-7-6 2227 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  RSA391524  Centaurium muehlenbergii Robert Gustafson, Don Reynolds 1983-6-7 2741 Napa Snell Valley Road, about one mile northeast from the junction of Butts Canyon Road. Comment
  CDA14310  Centaurium tenuiflorum W. Ogden 1998-7-6 s.n. Napa North Coast Biodiversity Arena; Pope Valley Rd. 0 Comment
  SEINET10741264 Image available Centaurium trichanthum Charles C. Parry Parry s.n. Napa Calistoga. Comment
  CAS-BOT-BC271539  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
  CAS-BOT-BC272821  Centromadia parryi subsp. parryi Milo S. Baker 1933-9-9 7543 Napa Near Calistoga Geyser Comment
  SBBG36844  Centromadia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N of center of town at the geysers Comment
  UC1223089  Centromadia parryi subsp. parryi Joseph P. Tracy 1950-8-11 19301 Napa Calistoga Hot Springs Comment
  JEPS33817  Centromadia parryi subsp. parryi C. C. Parry 1881-7-1 129 Napa Calistoga Comment
  JEPS112624  Centunculus minimus Jake Ruygt 1995-6-5 3486 b Napa Taylor driveway, about 1.5 miles south of Lake Hennessey. 411 Comment
  UCD164822  Cephalanthus occidentalis Jake Ruygt 2012-6-30 5870 Napa Putah Creek, north of Crystal Flats. 195 Comment
  JEPS51366  Cerastium glomeratum W. L. Jepson 1910-3-28 4028 Napa Rebecca Ranch Grade s.w. of Calistoga Comment
  UCD48851  Cerastium glomeratum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 10 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of Cut-Off Rd. 152 Comment
  RSA0009691  Cerastium glomeratum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD98040  Cerastium glomeratum K. Esau 1939-5-1 s.n. Napa Napa Valley. Comment
  JEPS126119  Ceratophyllum demersum Jake Ruygt 1992-7-18 3097 Napa Small lake on Tuteur Ranch, beyond end of Green Valley Road. Mount George 7.5' Qua. Comment
  JEPS107195  Cercis occidentalis Jake Ruygt 1997-3-18 3809 Napa Conn Valley Road, 2 miles east from Silverado Trail 146 Comment
  LA45606  Cercis occidentalis Ethel Crum; 1937-8-8 1956 Napa Putah Creek Canyon, 7 mi. SE of Monticello Comment
  POM247249  Cercis occidentalis E. K. Crum 1937-8-8 1956 Napa Putah Canyon Creek, seven miles southeast of Monticello. Comment
  RSA195520  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  JEPS45528  Cercocarpus betuloides var. betuloides Willis L. Jepson 1893-5-22 13868 Napa E of Calistoga (Pope Valley grade near the Palisades); Napa River Basin Comment
  UCD170660  Chaenactis glabriuscula var. glabriuscula 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 Comment
  UCD70463  Chaenactis glabriuscula var. glabriuscula B. Wengeler 1995-4-30 s.n. Napa West of city of Winters, 2 m N of hwy 128 along Knoxville Rd. 183 Comment
  CAS-BOT-BC284534  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 17933 Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC284574  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-20 2852 Napa Hills W. Oakville 548 Comment
  UCD32574  Chaenactis glabriuscula var. heterocarpha Beecher Crampton 1954-5-20 1928 Napa 8 miles southwest of Monticello, along highway 128. Comment
  JEPS106429  Chamaesyce nutans Jake Ruygt 1979-8-6 789 Napa .3 miles south of Oak Knoll Ave. on Solano Ave. 30 Comment
  JEPS106427  Chamaesyce ocellata subsp. ocellata Jake Ruygt 1987-7-11 2065 Napa Tubbs Lane at Myrtledale Rd., Calistoga 118 Comment
  RSA769220  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  JEPS126100  Chenopodium album Jake Ruygt 1986-7-12 1870 Napa East bank of Napa River just east of confluence Tulocay Creek. Napa 7.5' Qua. Comment
  CHSC103010  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 Winters. 133 Comment
  SEINET5764001 Image available Chenopodium berlandieri H. S. Reed 1948-1 2012 Napa Berryessa Valley, Putah Creek Comment
  JEPS115759  Chenopodium pumilio Lowell Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  JEPS115848  Chenopodium pumilio Lowell Ahart 2009-10-12 16443 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 437 Comment
  JEPS58858  Chimaphila menziesii Willis L. Jepson 1894-7-19 14655 Napa Mt. St. Helena near Toll House; Napa R. Basin, Mt. St. Helena Comment
  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
  UCD14532  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 yards inside gate, next to road; Comment
  CAS-BOT-BC256932  Chorizanthe membranacea W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts 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
  JEPS38183  Chorizanthe membranacea Lauramay T. Dempster 1965-5-15 4094 Napa s Knoxville (below Cedar Valley, along Zim-Zim Creek); along Zim-Zim Creek 426 Comment
  CAS-BOT-BC252841  Chorizanthe polygonoides var. polygonoides M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS110782  Chorizanthe polygonoides var. polygonoides Jake Ruygt 1998-5-30 4005 Napa Table Rock 749 Comment
  UC55747  Chorizanthe polygonoides var. polygonoides J. P. Tracy 1902-5-20 1564 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain, near Angwin Creek crossing on Howell Mountain Grade); Howell Mountain, head Moore's Creek 457 Comment
  UCD99835  Chorizanthe polygonoides var. polygonoides J. M. Tucker 1965-5-15 3827 Napa east side of Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  JEPS120318  Chorizanthe stellulata Jake Ruygt 1993-5-22 3265 Napa On private road across from James Creek Road at Butts Canyon Road. Aetna Springs 7.5' Quad. Comment
  JEPS35975  Cichorium intybus W. L. Jepson 1944-7-30 27544 Napa 3 mi s Yountville; Napa Valley Comment
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  JEPS120410  Cichorium intybus Jake Ruygt 2010-6-19 5612 Napa 200 yds west of Hunting Creek along Putah Creek. Comment
  JEPS59306  Cirsium cymosum var. cymosum W. L. Jepson 1938-6-8 18885 Napa w of Pope Valley; South Fork of Butts Creek Comment
  CDA9154  Cirsium douglasii var. breweri D. G. Kelch 2001-6-2 1 .019 Napa E of American Canyon, N of American Canyon Rd. Comment
  UCD170288  Cirsium douglasii var. douglasii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 828 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  CDA1211  Cirsium douglasii var. douglasii T. C. Fuller, H. Stabo 1959-6-2 2647 Napa Southern Napa Co. 0 Comment
  CDA1306  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -C Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CAS-BOT-BC286574  Cirsium occidentale var. venustum L. R. Abrams 1916-7-2 5756 Napa Near St. Helena Sanitarium Comment
  JEPS106936  Cirsium remotifolium var. odontolepis Jake Ruygt 1991-5-25 2689 Napa about .1 mile north of Hill Rd. on Howell Mtn. Rd. 551 Comment
  JEPS59182  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD167270  Clarkia amoena subsp. huntiana Jake Ruygt 1997-5-18 3858 Napa Redwood Road near Mt. Veeder. 140 Comment
  CAS-BOT-BC172181  Clarkia concinna John Thomas Howell 1929-5-30 4279 Napa Between Chiles and Pope Valleys, Napa Range Comment
  SFV8309  Clarkia concinna J. W. Katberg, Jr. 1966-5-11 44 Napa North Coast Ranges Cedar Valley Road, about 2 miles southwest of Knoxville. 450 Comment
  UCD18488  Clarkia concinna P. J. Plummer 1995-5-29 s.n. Napa Hwy 128 and Berryessa Knoxville Rd. 170 Comment
  CAS-BOT-BC172176  Clarkia concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River at the Mill House, 6.4 mi. S.W. of Middletown Comment
  SEINET5740167 Image available Clarkia concinna Sondra Pearman 1964-1 16 Napa State Hwy 128, ca. 3 miles SW of Monticello Dam.; Monticello Dam Comment
  HSC64520  Clarkia concinna subsp. concinna J. P. Smith, J. O. Sawyer 1970-5-17 3772 Napa 3 mi. S of Pope Valley Comment
  POM271463  Clarkia concinna subsp. concinna Lyman Benson 1935-5-19 6662 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  RSA262483  Clarkia concinna subsp. concinna Barrie Stanfield 1966-5-22 51 Napa ca. 5 miles south of Wooden Valley Comment
  CAS-BOT-BC164533  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa In Lower Lake--Knoxville road, 1.9 miles south of Lake County line 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
  UC762847  Clarkia gracilis subsp. albicaulis R. F. Hoover 1938-6-8 3538 Napa South Fork of Butts Creek 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
  JEPS43693  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1933-6-2 12490 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  CAS-BOT-BC164627  Clarkia gracilis subsp. gracilis Katharine Brandegee 1909-6-1 s.n. Napa Pope Val. Grade Comment
  SEINET4145437  Clarkia gracilis subsp. gracilis K. Brandegee 1909-6-1 s.n. Napa Pope Valley Grade Comment
  SEINET4145440  Clarkia gracilis subsp. sonomensis K. Brandegee 1910-5-22 120 Napa Mountain flopes from Calistoga to the Toll House Comment
  JEPS110764  Clarkia gracilis subsp. tracyi Jake Ruygt 1980-6-22 939 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  UCD167104  Clarkia gracilis subsp. tracyi Jake Ruygt 2015-6-13 6125 Napa Sage Canyon Road about 0.5 mi east of Sillverado Trail. 103 Comment
  UCD104893  Clarkia purpurea Bill Wardell 1961-5-12 30 Napa Coast Range, 12 miles N of Napa along State Highway 37. Comment
  CAS-BOT-BC163688  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS110774  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1987-5-16 1997 Napa Devil's Canyon near waterfall 594 Comment
  JEPS120334  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2005-5-21 4858 Napa Skyline Park, base of Rimrock Trail. Mount George 7.5' Quad. Comment
  JEPS43572  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1893-6-24 14341 Napa Napa Soda Springs Comment
  UCD32412  Clarkia purpurea subsp. quadrivulnera Beecher Crampton 1950-5-7 566 Napa E side of Napa Valley and SE of St. Helena, roadside of Silverado Trail. 54 Comment
  CAS-BOT-BC165610  Clarkia unguiculata David D. Keck 1933-5-29 2353 Napa Pope Creek bridge south of Walters Springs 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
  CAS-BOT-BC439133  Claytonia exigua subsp. exigua H. L. Mason 1926-3-14 2716 Napa Mount St. Helena Comment
  RSA195386  Claytonia exigua subsp. exigua Gilbert Muth 1967-4-9 602 Napa Aetna Spring Road. 305 Comment
  CAS-BOT-BC439375  Claytonia gypsophiloides Carl B. Wolf 1928-5-3 1829 Napa Base of Mt. St. Helena Comment
  UC634938  Claytonia gypsophiloides A. E. Borell 1928-4-13 151 Napa 10 mi nw Calistoga Comment
  CAS-BOT-BC439377  Claytonia gypsophiloides K. L. Chambers 1978-3-20 4438 Napa Hwy. 128 N of Calistoga, ca. 100 yds. E of Sonoma Co. line (2.5 mi. N of junction with Tubbs Lane Cutoff). Comment
  CAS-BOT-BC233835  Claytonia parviflora subsp. parviflora R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6678 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  CAS-BOT-BC233837  Claytonia parviflora subsp. parviflora Peter H. Raven 1953-4-2 5253 Napa Hills e. of Imola 121 Comment
  UCD67495  Claytonia perfoliata D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD15053  Claytonia perfoliata Joe Smilanick 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  CAS-BOT-BC439943  Claytonia perfoliata subsp. mexicana Gilbert Muth 1967-4-28 650 Napa Spring Mountain Road, St. Helene [Helena] Comment
  JEPS43304  Claytonia perfoliata subsp. perfoliata W. L. Jepson 1893-3-13 Napa St. Helena Comment
  CAS-BOT-BC440044  Claytonia perfoliata subsp. perfoliata Peter H. Raven 1954-2-22 6406 Napa Orchard at west end of Saint Helena 60 Comment
  SFV1260  Clematis lasiantha L. B. Hendrix 1962-5-5 43 Napa South end of Lake Berryessa. Comment
  UCD95604  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa 10 miles southwest of Monticello, along highway 128. Comment
  UC766312  Collinsia greenei R. F. Hoover 1941-4-26 4918 Napa between Samuel Springs and Walter Springs (Pope Cr) Comment
  CAS-BOT-BC474510  Collinsia heterophylla Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8672 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. Along Nevada Creek. 470 Comment
  OBI54927  Collinsia heterophylla Kathleen Faustini 1980-5-4 26 Napa Roadside by Monticello Dam Comment
  SEINET13406371  Collinsia sparsiflora M. J. Williams 1967-5-7 s.n. Napa Pope Valley. 198 Comment
  UCD13234  Collinsia sparsiflora Jim McKenna 1974-4-28 74 Napa Dutch Henry Canyon Rd, ca. 3 (airline) miles east of Calistoga. 548 Comment
  UCD14917  Collinsia sparsiflora Craig Homan 1977-4-8 6 Napa 32 miles west of Winters along Berryessa Knoxville Road. Comment
  JEPS6339  Collinsia sparsiflora var. arvensis Mrs. Mary Van E. Ferguson 1919-4-13 208 Napa near Atlas Comment
  RSA264960  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 6118 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  POM15100  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Calistoga. Comment
  POM182734  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 1051 Napa 4 miles S of Monticello, eastern Napa County. Comment
  JEPS112529  Collinsia sparsiflora var. collina Jake Ruygt 1982-5-16 1268 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 420 Comment
  UCD123671  Collinsia sparsiflora var. sparsiflora D. C. Finfrock 1950-4-2 14 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  JEPS7309  Collinsia tinctoria H. P. Chandler 1907-5-26 7593 Napa White Sulphur Spr St. Helena Comment
  CAS-BOT-BC229540  Collomia diversifolia Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon Comment
  UC1736677  Collomia diversifolia Dean W. Taylor 1990-5-25 10813 Napa Butts Canyon Road, near junction with Snell Road. 204 Comment
  UCD13261  Collomia diversifolia Neil Miller 1973-5-5 56 Napa McDonald Ranch, east of Los Posados State Forest, ca. 5 miles south of Pope Valley on Pope Valley Road. Elevation 1000 feet. 304 Comment
  JEPS110955  Collomia heterophylla Jake Ruygt 1981-4-25 999 Napa road between Aetna Springs and Table Mtn 396 Comment
  SBBG103169  Collomia heterophylla D. H. Wilken 1973-5-6 11926 Napa summit of Howell Mtn Rd between Angwin and Pope Valley 518 Comment
  UC908766  Collomia heterophylla P. B. Kennedy 1929-5-23 Napa Moore Creek Howell Mountain Comment
  CAS-BOT-BC286035  Conyza canadensis Peter H. Raven 1951-8-19 3849 Napa Near Lokoya 487 Comment
  JEPS7005  Cordylanthus mollis subsp. mollis Peter H. Raven 1952-8-26 5138 Napa salt marshes Bentley Wharf 15 Comment
  JEPS95192  Cordylanthus mollis subsp. mollis Jake Ruygt 1994-7-30 Napa Fagan Slough Comment
  JEPS55931  Cordylanthus pilosus subsp. pilosus T. I. Chuang and Fei-Mei Chuang 1968-7-24 6477 Napa 1 mi nw of St. Helena Comment
  RSA537655  Cordylanthus pringlei L. R. Heckard, T. I. Chuang 1971-8-16 2777 Napa Along U.S. Highway 29, south of Middletown just across the Lake County line. 457 Comment
  UC1357607  Cordylanthus pringlei R. F. Hoover 1966-8-23 9922 Napa 0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena Comment
  JEPS60259  Cordylanthus tenuis subsp. brunneus L. R. Heckard 1969-7-13 2330 Napa n side Mt. St. Helena (along US Hwy 29 at Lake Co. line) Comment
  CAS-BOT-BC209802  Cornus glabrata Blanche Clear 1938-5-28 s.n. Napa Highway, Alexander Valley Comment
  JEPS50118  Cornus glabrata W. L. Jepson 1923-10-10 10235 a Napa Wooden Valley Comment
  UC1280738  Cornus glabrata H. E. McMinn 1922-6-8 203 Napa along rd. by stream from Monticello to Napa; Napa Mts., Pope Creek Comment
  UC723833  Cornus glabrata Joseph Andorfer Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. s. Monticello; Steel Canyon Comment
  RSA397476  Cornus nuttallii Anonymous 1917-6-21 597 Napa Redwood Comment
  UC796621  Cornus nuttallii Ira L. Wiggins 1949-4-30 12090 Napa along draw on n.e. flank of Mt. St. Helena 914 Comment
  UCD161226  Cornus nuttallii Jake Ruygt 2003-4-11 4495 Napa Howell Mtn. Rd. near Ink Grade Rd. (Coordinates estimated by label maker at UC Davis). 560 Comment
  UCSB19154  Cornus nuttallii Rankine, Jane 1965-4-13 Napa 4 miles east of Pope Valley; on the road between Pope Valley and Anqwin Comment
  UC127083  Corylus californica Harley P. Chandler Sep 7-14 1906 7156 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CAS-BOT-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  CAS-BOT-BC180346  Corylus cornuta subsp. californica Peter H. Raven 1952-5-26 4047 Napa Howelll Mt. 426 Comment
  JEPS106938  Cotula australis Jake Ruygt 1979-2-22 433 Napa west slope of Mt. George near Mt. George Ave. 91 Comment
  CAS-BOT-BC291356  Cotula coronopifolia John Thomas Howell 1925-4-11 958 Napa Soscol Comment
  CAS-BOT-BC427681  Crassula connata John Thomas Howell 1926-3-27 1755 Napa Soscol Comment
  JEPS122686  Crepis pulchra Jake Ruygt 1999-5-15 4158 z Napa Patrick Road about 2 miles west of Browns Valley Road. Quad: Napa Comment
  UC1746479  Crepis pulchra Jake Ruygt 1999-5-15 4158 Napa W of Napa (along Patrick Rd., cs 2 mi w of Browns Valley Rd.) 200 Comment
  JEPS120403  Crocanthemum scoparium var. vulgare Jake Ruygt 2004-5-8 4600 Napa near Lone Pine Thicket, off Devilhead Comment
  UCD19325  Croton setiger M. A. Bibbo; E. Dean 2001-7-6 17 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  CDA43110  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  UCD149660  Cryptantha flaccida 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
  UC912356  Cryptantha flaccida Herbert L. Mason 1934-4-30 8105 Napa 5 mi s Monticello (tributary of Putah Creek); Putah Creek Comment
  JEPS106698  Cryptantha hispidula Jake Ruygt 1996-4-27 3636 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  SBBG29139  Cryptantha hispidula M. S. Baker 1934-4-19 7816 Napa Pope crk rd near Pope valley Comment
  UCD149661  Cryptantha hispidula 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
  UCD170153  Cryptantha hispidula Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 786 Napa Knoxville Wildlife Area, near top of ridge above and west of Berryessa-Knoxville Road 558 Comment
  UCD119813  Cryptantha hispidula Robert E. Preston 1988-4-10 574 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, on a southeast-facing serpentine slope. 268 Comment
  UCD164838  Cryptantha microstachys Jake Ruygt 2012-5-12 5843 Napa Crystal Flats, west of Putah Creek. 182 Comment
  JEPS106721  Cryptantha muricata Jake Ruygt 1989-4-22 2276 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 405 Comment
  UCD47944  Cryptantha muricata M. Carson; A. Haselby, S. Howard, P. Meyers 2000-4-29 4 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UC857199  Cryptantha muricata Milo S. Baker 1940-5-29 9660 Napa summit w of Calistoga (on Calistoga-Santa Rosa Hwy, a few hundred feet w, lower down on se corner of ranch,) Comment
  HSC43990  Cryptantha rostellata Robert M. Specht 1977-4-19 684 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  CAS-BOT-BC80717  Cupressus macnabiana J. Clausen 1935-5-22 1062 Napa 15.9 mi. SE of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  CLARK-A1528-2663  Cupressus macnabiana John C. Roos 1938-11-19 323 Napa Pope Valley Comment
  JEPS104000  Cupressus macnabiana Jake Ruygt 1980-4-22 850 Napa .6 mile south of Berryessa-Knoxville Rd. on Devilshead Rd. 481 Comment
  JEPS39738  Cupressus macnabiana W. L. Jepson 1943-5-15 20784 Napa Knoxville Ridge Comment
  RSA96667  Cupressus macnabiana Percy C. Everett, E. K. Balls 1954-10-19 20371 Napa 3.9 miles NW of Knoxville on road to Lower Lake. 610 Comment
  CAS-BOT-BC85490  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 277 Napa Pope Creek in Pope Canyon Comment
  CDA10848  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11785 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 237 Comment
  CDA11162  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11574 Napa North Coast Biodiversity Arena; 2 m. NW of Aetna Springs along Schwartz Ck. Rd. Comment
  NY16828  Cupressus sargentii C. B. Wolf 1934-10-17 6196 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
  JEPS120413  Cuscuta Jake Ruygt 2010-6-19 5608 Napa Berryessa-Knoxville Rd. north of Knoxvile site, at vernal pool. Comment
  UCD160702  Cuscuta howelliana Ellen Dean; Jake Ruygt 2015-5-23 8761 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  UCD170466  Cuscuta indecora var. indecora Daniel Potter; Ninh Khuu 2016-6-18 895 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 448 Comment
  JEPS116545  Cuscuta occidentalis Jake Ruygt 1997-6-28 3869 b Napa White Cliff Springs, east of Soda Valley (Sabini). Chiles Valley 7.5' Quad. Comment
  JEPS43036  Cuscuta subinclusa W. L. Jepson 1939-9-12 19480 Napa w of St. Helena; Spring Mountain, York Creek Comment
  JEPS126113  Cynoglossum grande Jake Ruygt 1990-4-1 2457 Napa West of Johnson's Meadow, Wild Horse Valley Ranch. Mount George 7.5' Qua. Comment
  RSA13328  Cynoglossum grande C. B. Wolf 1928-2-25 1479 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  CAS-BOT-BC190359  Cynosurus echinatus Betty H. Johnson 1958-6-20 s.n. Napa Along road near stream, near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  CDA1948  Cynosurus echinatus G. Breuer Jul 1957 Napa Calistoga. 0 Comment
  UCR30535  Cynosurus echinatus John C. Roos 1972-5-18 s.n. Napa Angwin 366 Comment
  CHSC102305  Cyperus erythrorhizos Lowell 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 miles (air) west of Winters. 437 Comment
  OBI72042  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7965 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Crk in North Coast Range, E of boat-launching ramp on SE edge 91 Comment
  JEPS77930  Cyperus niger Edward Lee 1935-12-1 1674 Napa rd. from Napa to Wooden Valley (ca. 0.7 mi. beyond (s. of) 1st. stop, Sarco Creek); Howell Mts., Sarco Creek Comment
  HSC9551  Danthonia californica J. V. Lenz 1947-5-14 Napa Wooden valley. Comment
  JEPS75996  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  JEPS75997  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UCD60493  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa 1 mi. S. of Calistoga on Hwy. 29. Comment
  JEPS126109  Datisca glomerata Jake Ruygt 1979-6-16 701 Napa Dry Creek Road, near Oakville Grade. Rutherford 7.5' Qua. Comment
  UC19645  Datisca glomerata W. H. Brewer 1862-8-6 1320 Napa Rag Canyon, Camp 84 Rag Canyon; , Camp 84 Comment
  UCSB4261  Datisca glomerata Kamb, Peter 1950-6-9 Napa 5 miles south of Monticello, on California #37 Comment
  UCD159931  Daucus pusillus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD48431  Daucus pusillus S. Murphy; K. Keck and K. Dyer 2002-5-5 6 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 200 m from intersection of West and East roads, north side of upper road leading to power lines and tip parcels. 388 Comment
  UCD161569  Deinandra corymbosa Jake Ruygt 1992-5-18 2969 Napa Alston Park, Dry Creek Road, Napa. 85 Comment
  SEINET5337981  Delphinium decorum J. Tracy 1902-5-15 1475 Napa On hills at head of Moore's Creek, 3-4 mi. E of Angwin's. 366 Comment
  CAS-BOT-BC10199  Delphinium hesperium P. H. Raven 1951-6-10 2931 Napa Crater Region E of Palisades 762 Comment
  CAS-BOT-BC10196  Delphinium hesperium Clara A. Hunt 1923-4-1 s.n. Napa Mts. near St. Helena Comment
  UC1031409  Delphinium hesperium H. Lewis and G. Mehlquist 1941-5-9 Napa Monticello to Napa rd 1.5 mi s road to St. Helena Comment
  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
  LA207502  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-9-5 sn Napa 13.4 mi. N of Monticello Comment
  LA38205  Delphinium hesperium subsp. pallescens Mehlquist; Baker 319 Napa 2 mi. N of Knoxville on rd. to Reiff Comment
  RSA787108  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -b Napa Napa range, along Napa-Monticello road. Comment
  UC614383  Delphinium nudicaule L. Constance 1938-3-27 2041 Napa e slope of mts above Wooden Valley (8 mi ne of Napa); North Coast Ranges, Howell Mountains 457 Comment
  UCD96061  Delphinium nudicaule G. L. Webster 1967-3-23 7487 Napa Along Chiles Creek c. 1 mi. SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  CAS-BOT-BC9811  Delphinium nudicaule Belle R. Jackson 1930-6-8 s.n. Napa On Old Toll Road below Patten's Mt. St. Helena region Comment
  CAS-BOT-BC9814  Delphinium nudicaule John Thomas Howell 1926-3-20 1697 Napa Old toll toad to Mt. St. Helena Comment
  RSA10682  Delphinium patens Carl B. Wolf 1928-5-3 1805 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC116498  Delphinium patens subsp. patens Belle R. Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's, Mt. St. Helena region Comment
  SBBG2134  Delphinium patens subsp. patens H. and M. Dearing 1939-5-1 3244 Napa Spring Mtn, St Helena Comment
  CAS-BOT-BC17149  Delphinium uliginosum G. L. Stebbins 1967-5-31 6522 Napa Cedar Valley, south of Knoxville 609 Comment
  POM150572  Delphinium uliginosum C. F. Baker 1903-5-8 s.n. Napa Knoxville. Comment
  UCD96593  Delphinium uliginosum J. M. Tucker 1965-5-15 3828 Napa Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 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
  RSA0102440  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa E side of Mt St. Helena. 457 Comment
  UC160941  Delphinium variegatum subsp. variegatum Joseph P. Tracy 1902-5-20 1566 Napa lower slopes of mt. near St. Helena; Northern Coast Ranges, Howell Mt. 304 Comment
  UC638502  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1334 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  CHSC25103  Dendromecon rigida J. E. Beitler 1970-4-19 24 Napa Napa. Located on N. side of road ca. 20 feet in from road shoulder, ca. 11.7 mi. W. on Napa-Monticello road from Moskowite Corners. Comment
  UC1126377  Dendromecon rigida A. E. Wieslander 1931-5-11 183 Napa n slope of mountain n Calistoga; Calistoga Quadrangle, Mt. St. Helena 731 Comment
  UCR212330  Dendromecon rigida 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
Read comments
Oct 10 2015
  CAS-BOT-BC626  Dendromecon rigida subsp. rigida Alice Eastwood 1915-6-6 4698 Napa Mt. St. Helena Comment
  CAS-BOT-BC627  Dendromecon rigida subsp. rigida Carl B. Wolf 1928-5-4 1850 Napa Mt. St. Helena Comment
  CAS-BOT-BC661  Dendromecon rigida subsp. rigida Alice Eastwood 1918-5-1 6860 Napa Mt. St. Helena Comment
  POM126101  Deschampsia cespitosa Joseph P. Tracy 1902-5-18 1543 Napa Head of Moore's Creek 518 Comment
  UC187277  Deschampsia cespitosa subsp. cespitosa J. P. Tracy 1902-5-18 1543 Napa 3-4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  UCR43202  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  CAS-BOT-BC198144  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley near Calistoga 91 Comment
  JEPS122988  Deschampsia danthonioides Jake Ruygt 1996-5-4 3654 Napa Butts Canyon Road at James Creek Road; SE field. Quad: Aetna Springs. Comment
  SEINET10897195  Deschampsia danthonioides Unknown 1854-1 Anonymous s.n. Napa Comment
  SEINET3927638  Deschampsia danthonioides Peter H. Raven 1957-5-5 10746 Napa Near airport in Calistoga.; 0 91 Comment
  JEPS122986  Deschampsia elongata Jake Ruygt 1992-5-6 2952 Napa Mitten Lake, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UC3238  Dichelostemma capitatum Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin 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
  JEPS64147  Dichelostemma capitatum W. L. Jepson 1938-5-18 18799 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  JEPS64160  Dichelostemma capitatum W. L. Jepson 1893-3-13 20967 Napa e of St. Helena Comment
  SEINET12045034  Dichelostemma capitatum Unknown 1972-1 14 Napa N shore of Lake Berryessa about 5 m above Monticella Dam, South Coast Range 274 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
  HSC45346  Dichelostemma capitatum subsp. capitatum R. York 1978-4-8 111 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD139203  Dichelostemma capitatum subsp. capitatum M. Sidells 1996-4-20 12 Napa next to path, at southwest side of Lake Berryessa, 150 m norhteast of Knoxville Road. 250 Comment
  UCD139209  Dichelostemma capitatum subsp. capitatum Bill Wengeler 1995-4-16 s.n. Napa 0.2 mile west of Monticello Dam along Hwy 128. 158 Comment
  UCD148243  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-4-6 2904 Napa Along Hwy 128, 0.4 mi W of its jct with Berryessa-Knoxville Rd. 213 Comment
  UCD148736  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1977-3-14 154 Napa Napa County; 2.2 miles north of Silverado Trail on Soda Canyon Road. 115 Comment
  UCD159913  Dichelostemma capitatum subsp. capitatum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near Q43. 243 Comment
  UCD149042  Dichelostemma congestum Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8188 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  SEINET13682807  Diplacus aurantiacus M. J. Williams 1967-5-7 s.n. Napa Howell Mountain [Road?], between St. Helena and Angwin. 259 Comment
  SEINET13693732  Diplacus aurantiacus R. R. Halse 1989-5-13 3833 Napa Along State Hwy 29 on the Calistoga Grade, ca 2.5 miles N of Calistoga. 240 Comment
  CAS-BOT-BC153276  Diplacus kelloggii Alice Eastwood 1915-6-6 4662 Napa Mt. St. Helena Comment
  CAS-BOT-BC153281  Diplacus kelloggii David D. Keck 1931-4-4 1089 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  CDA6690  Dipsacus fullonum Margaret Bellue 1933-5-2 Napa 0 Comment
  SEINET4170353  Disporum hookeri C. H. Lamoureux, J. M. Tucker , Roman Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road abd Siverado Trail Comment
  UC1039589  Dodecatheon hendersonii Herbert L. Mason 1925-1-23 1206 Napa Wooden Valley grade Comment
  UC917150  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa on Pope Valley Road two mi from St. Helena; 2 mi from St. Helena Comment
  UCD118841  Dodecatheon hendersonii Heidi E. M. Dobson 1978-4-8 300 Napa East slope of Mt. Veeder. Comment
  RSA461376  Dodecatheon hendersonii H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 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
  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
  UCD148768  Downingia concolor var. concolor Jake Ruygt 1982-6-13 1322 Napa Napa County; Pope Canyon Rd., near large vernal pond on south side of road. 185 Comment
  UCD75836  Downingia concolor var. concolor Jake Ruygt 1993-5-1 3245 Napa Pope Canyon Rd. at large vernal pond. 187 Comment
  UCD160761  Downingia cuspidata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8631 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
  JEPS106844  Draba verna Jake Ruygt 1982-3-3 1115 Napa Long Canyon near Berryessa-Knoxville Rd 327 Comment
  CAS-BOT-BC41387  Draba verna Peter H. Raven 1953-3-29 5208 Napa 2 miles south of Calistoga. 121 Comment
  JEPS103988  Dryopteris arguta Jake Ruygt 1978-3-12 238 Napa .9 mile east of Silverado Trail on Deer Park Road 152 Comment
  CAS-BOT-BC70947  Dryopteris arguta Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, side of Mt. Veeder Comment
  UCD20915  Dudleya cymosa V. (Shorty) Boucher 2002-3-27 6 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
  UC101039  Dudleya cymosa Willis L. Jepson 1893-5-8 Napa below New Eden; Napa River Basin, Howell Mtn Comment
  UC1350504  Dudleya cymosa Helen-Mar Wheeler 1953-5-23 Napa 2.5 mi w intersection of Montecello-Napa Rds 152 Comment
  CAS-BOT-BC428111  Dudleya cymosa subsp. cymosa S. M. Carpenter 1952-4-20 46 Napa Near Samuel's Springs 106 Comment
  UCD148775  Dysphania ambrosioides Jake Ruygt 1986-7-12 1876 Napa Napa County; Napa River just south of confluence with Tulocay Creek. 1 Comment
  UCD161351  Eleocharis bella Jake Ruygt 1986-8-23 1909 c Napa Lake Hennessey near treatment plant. (Coordinates estimated by label maker at UC Davis). 94 Comment
  JEPS129111  Eleocharis macrostachya Jake Ruygt 2015-5-13 6099 Napa East of Zim-Zim Creek parking lot. Knoxville 7.5' Quad. Comment
  UCD48497  Eleocharis macrostachya A. Collier; D. Caterson and S. Kenady 2002-5-4 2 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads, near stock pond. 320 Comment
  CAS-BOT-BC113338  Eleocharis montevidensis Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon. Comment
  UCD161685  Eleocharis rostellata Jake Ruygt 2008-7-14 5358 Napa Tubbs Lane, about 1/4 mile southwest of Myrtledale Road intersection. 121 Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa Comment
  UC34035  Elymus glaucus Willis L. Jepson 1893-1 Napa Napa Valley Comment
  UCR25608  Elymus glaucus John C. Roos 1939-5-13 256 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  JEPS76083  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-22 18811 Napa Limekiln Creek Canyon Pope Valley Comment
  SACT001123  Elymus glaucus subsp. jepsonii John Willoughby 1976-5-18 Napa 609.6 Comment
  UCD62437  Elymus multisetus E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello-Napa road. Comment
  UCD62481  Elymus multisetus Beecher Crampton 1954-5-20 1923 Napa South shore of Conn Reservoir, Hwy. 128, 4 miles east of Rutherford. Comment
  UCD119205  Emmenanthe penduliflora K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  RSA14231  Epilobium brachycarpum Daniel Cleveland 1882-8-24 s.n. Napa Aetna Springs Comment
  UCD20751  Epilobium brachycarpum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 100 Napa McLaughlin UC Reserve. Knoxville-Berryesa Rd. 2.4 road miles S of jct. with Devilhead Rd. W side of the road by old dirt road to an abandoned home site. 350 Comment
  JEPS122727  Epilobium campestre Jake Ruygt 1982-6-13 1323 Napa Pope Canyon Road at large vernal pool. Quad: St. Helena. Comment
  UCD164739  Epilobium campestre Jake Ruygt 2014-7-7 6022 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  CDA11335  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena; Alongside Highway 128. Comment
  HSC81594  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5147 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC144088  Epilobium minutum J. P. Tracy 1902-5-16 1499 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD118627  Epilobium minutum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  JEPS38232  Epilobium torreyi W. L. Jepson 1938-6-8 18897 Napa Suell Valley Comment
  UCD20763  Epipactis gigantea M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 114 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
  UCD138947  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach. Comment
  JEPS122688  Erigeron foliosus var. foliosus Jake Ruygt 1981-7-23 1082 Napa West of Berryessa Peak. Quad: Brooks. Comment
  UCD132044  Erigeron philadelphicus var. philadelphicus M. Wiesendanger 1926-4-1 1497 Napa Exact location unknown. Comment
  UCD164757  Erigeron philadelphicus var. philadelphicus Jake Ruygt 2014-5-24 5957 Napa Pope Creek, Pope Canyon. 148 Comment
  RSA602572  Eriodictyon californicum Louis C. Wheeler 1952-8-30 6878 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCD49083  Eriodictyon californicum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  CAS-BOT-BC242605  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  CAS-BOT-BC242607  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  CAS-BOT-BC242611  Eriogonum dasyanthemum John Thomas Howell 1927-8-23 3042 Napa Chiles Valley, Napa Range 213 Comment
  JEPS110771  Eriogonum dasyanthemum Jake Ruygt 1969-12-31 2605 Napa north end of Wooden Valley 231 Comment
  SBBG28195  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa upper part of Sage Valley, near Chiles School, Napa Mtns Comment
  CAS-BOT-BC242609  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts. Comment
  CAS-BOT-BC266061  Eriogonum luteolum John Thomas Howell 1933-8-27 11651 Napa Chiles Valley, Napa Range Comment
  POM209841  Eriogonum luteolum S. G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains. Comment
  JEPS19661  Eriogonum luteolum W. L. Jepson 1934-10-16 16893 Napa in vineyard below Four Corners; Howell mt. Comment
  JEPS56162  Eriogonum luteolum W. L. Jepson 1907-11-30 2876 Napa near Yountville; Stag's Leak Comment
Read comments
Nov 12 2011
  UCD16010  Eriogonum luteolum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 6 Napa McLaughlin Reserve, McLaughlin Reserve, east side of Devilhead Road 38 deg. 49' 11'' N, 122 deg. 21' 13'' W; 530 m. Comment
  JEPS110761  Eriogonum luteolum var. luteolum Jake Ruygt 1980-6-22 938 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  SEINET3405144 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  UC1245379  Eriogonum luteolum var. luteolum Joseph P. Tracy 1950-5-23 18683 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  JEPS56170  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UCD164788  Eriogonum nudum var. auriculatum Jake Ruygt 2004-6-26 4625 Napa Skyline Park near Sugarloaf Peak. 411 Comment
  CAS-BOT-BC124286  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  UC1198135  Eriogonum nudum var. nudum J. P. Tracy 1899-7-6 443 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  UC6393  Eriogonum nudum var. nudum Willis L. Jepson 1893-10-13 Napa Upper Conn Valley Napa River Basin, Upper Conn Valley Comment
  RSA393327  Eriogonum nudum var. nudum E. S. Spalding 1924-7-5 s.n. Napa Near St. Helena Comment
  JEPS56192  Eriogonum umbellatum var. bahiiforme Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena, Van Ness Ranch Comment
  SBBG64230  Eriogonum vimineum S. G. Stokes 1933-8-27 81 Napa Sage Cyn, Napa Mtns Comment
  JEPS41069  Eriogonum vimineum Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9106 Napa 1 mi n, along Devilhead Road Zim Zim Creek (about 3 mi sw of Knoxville) 487 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
  CAS-BOT-BC301045  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mis. northeast of Calistoga along Highway #29 Comment
  CAS-BOT-BC301047  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa On the Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  CAS-BOT-BC301057  Eriophyllum lanatum var. achilleoides John Thomas Howell 1927-8-24 3052 A Napa Between Mirabel and Mt. St. Helena Inn, canyon of St. Helena Creek Comment
  CAS-BOT-BC301059  Eriophyllum lanatum var. achilleoides Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  HSC42203  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mi. NE of Calistoga along Hwy. 29 Comment
  UC1051754  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1953-6-15 4185 Napa se slope of Cappell Valley just w of junction of Cappell Valley <road> and Monticello road; Cappell Valley 274 Comment
  UC507185  Eriophyllum lanatum var. achilleoides Lincoln Constance 1931-3-21 138 Napa rock slide on Mount St. Helena Comment
  HSC5611  Eriophyllum lanatum var. grandiflorum Greg Bos 1963-3-24 49 Napa NW end of Lake Berryessa, at Putah Creek 473 Comment
  UCD83857  Erodium brachycarpum Ellen Dean; Stephen Rae 2010-3-15 5815 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 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
  UC626482  Eryngium aristulatum var. aristulatum Wilhelm N. Suksdorf 1913-7-24 647 Napa in the neighborhood s.e. Napa Comment
  CAS-BOT-BC54306  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 2498 Napa 0.5 mile south of Knoxville. Comment
  JEPS106770  Erysimum capitatum var. capitatum Jake Ruygt 1996-4-12 3610 Napa Blue Ridge, north of Monticello Dam. 670 Comment
  UCD74392  Erysimum capitatum var. capitatum Jake Ruygt 1995-5-8 3473 Napa 1.5 miles south of boatramp on Sage Canyon Rd. Taylor's. 402 Comment
  POM225553  Erysimum capitatum var. capitatum J. T. Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  SD7101  Erythranthe guttata Brandegee Sept 1888 Napa Howell Mountain 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
  NY319670  Erythronium helenae E. I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  SEINET882372 Image available Erythronium helenae Elmer I. Applegate 1932-1 7037 Napa Volcanic crater region of Mount St. Helena. Comment
  CAS-BOT-BC402786  Eschscholzia caespitosa John H. Thomas 1955-5-21 5131 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC402794  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6062 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CDA11189  Eschscholzia caespitosa G. F. Hrusa 1988-4-16 5537 Napa North Coast Biodiversity Arena; 3/4 mile along Knoxville -Berryessa Rd. from junction of Hwy 128. Comment
  RSA785708  Eschscholzia caespitosa Carrie A. Herd 1982-5-9 92 Napa Trinity, Dry Creek Road, 0.5 mi. E. of Mt. Veeder Rd. Comment
  UCD48075  Eschscholzia caespitosa M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 2 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  SEINET10536530 Image available Eschscholzia caespitosa Charles F. Baker 1903-4-20 Baker 2614 Napa Mount St. Helena. Comment
  SEINET5718781 Image available Eschscholzia caespitosa Kenneth H. Traver 1969-1 19 Napa 1 mile west of Monticello Dam; Monticello Dam Comment
  OBI11795  Eschscholzia californica R. L. Hoover 1968-4-20 55 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  UC142916  Eschscholzia californica Katharine Brandegee 1910-7-27 Napa near Angwins Comment
  UCD48072  Eschscholzia californica S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 20 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  JEPS106423  Euphorbia crenulata Jake Ruygt 1987-3-14 1928 Napa Conn Dam, old city park 97 Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  UC447262  Euphorbia crenulata C. F. Baker 1903-4-20 2615 Napa Mt. St. Helena Comment
  UCSC009026  Euphorbia crenulata Dylan M. Neubauer 2015-4-24 128 Napa Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey, NCoRI 101 Comment
  UCD142372  Euphorbia crenulata K. Esau 1933-4-14 s. n. Napa Calistoga, near petrified forest. Comment
  JEPS106420  Euphorbia oblongata Jake Ruygt 1990-5-6 2533 Napa Yountville Ecological Reserve on Napa River 27 Comment
  CDA43111  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  UCD39035  Euphorbia spathulata Beecher Crampton 1962-5-16 6435 Napa About 2 miles S of Aetna Springs, along road to Pope Valley. Comment
  UC1058582  Euphorbia spathulata C. H. Lamoureux, J. M. Tucker, and Roman Gankin 1957-4-11 1218 Napa 5.6 mi n State Hwy. 128 junction with State Hwy. 37 (along State Hwy 128) Comment
  UCD142488  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1218 Napa Along State Highway 128; 5.6 miles north of its junction with State Highway 37. Comment
  CAS-BOT-BC312175  Eurybia radulina Peter H. Raven 1951-8-19 3840 Napa Nr. Lokoya 487 Comment
  CHSC102302  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD20757  Euthamia occidentalis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 107 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  OBI74551  Euthamia occidentalis David J. Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  SEINET3930505  Euthamia occidentalis David Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  JEPS122942  Festuca californica Jake Ruygt 1983-5-8 1458 Napa Skyline Park. Quad: Mt. George. Comment
  JEPS71214  Festuca californica W. L. Jepson 1934-10-16 16895 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC766903  Festuca californica R. F. Hoover 1941-4-26 4926 Napa canyon n Pope Valley (on road to Butts Canyon) Comment
  UCD65832  Festuca californica Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  UCR23934  Festuca californica John C. Roos 1939-4-16 275 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  UCR43100  Festuca californica L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  CAS-BOT-BC278344  Festuca californica subsp. californica Carl B. Wolf 1928-5-3 1815 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD65916  Festuca elmeri Beecher Crampton 1954-5-6 1834 Napa Hwy. 37 between Capell and Wooden Valley. Comment
  UCD65919  Festuca elmeri Beecher Crampton 1956-5-25 3471 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS122910  Festuca occidentalis Jake Ruygt 2007-4-15 5149 Napa Las Posadas State Forest, road to north side of Recreation Flat. Quad: Saint Helena. Comment
  JEPS122955  Festuca perennis Jake Ruygt 1982-6-6 1310 Napa South of Suscol hill and west of Highway 29. Quad: Cuttings Wharf. Comment
  SEINET200830 Image available Festuca rubra J. P. Tracy 1902-5-19 1549 Napa Head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn 518 Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  UC619327  Foeniculum vulgare Wilhelm N. Suksdorf 1913-7-24 621 Napa bank of Napa R. s. of Napa Comment
  RSA51300  Fragaria californica Peter H. Raven 1950-4-5 1742 Napa Wooden Valley Grade above Napa. 457 Comment
  CAS-BOT-BC53526  Frangula californica subsp. tomentella Carl B. Wolf 1928-2-25 1509 Napa 3 mi. No. of summit of the Mt. St. Helena Grade, near Lake - Napa Cos. Line. Comment
  LA205386  Frankenia salina Milo S. Baker; 1932-9-24 6034 Napa Cuttings Wharf Comment
  HSC46117  Fraxinus dipetala J. P. Smith, J. O. Sawyer 1970-5-17 3787 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  UC1123368  Fraxinus dipetala A. Lewis 1932-5-16 80 Napa Weldon Canyon Napa Quad. 701 Comment
  CAS-BOT-BC223534  Fraxinus latifolia H. E. McMinn 1922-6-8 178 Napa Collected on summit of Howell Mt. Four Comment
  JEPS122729  Fraxinus latifolia Jake Ruygt 1987-4-28 1965 Napa 0.9 miles north of Trancas Street on Silverado Trail. Quad: Napa. Comment
  RSA298947  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa Rutherford, Pope Valley Road, 3/4 mile out of Rutherford Comment
  UC1094037  Fraxinus latifolia Lewis S. Rose 1955-9-26 55190 Napa 4 mi ne Rutherford (below Conn Lake) 60 Comment
  CAS-BOT-BC205888  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa Four miles north of Knoxville Mines Comment
  CAS-BOT-BC205891  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 mi. S. E. of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  JEPS42894  Fremontodendron californicum W. L. Jepson 1938-6-11 19005 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  JEPS81213  Fremontodendron californicum Douglas W. James Jr. 1973-5-5 102 Napa Off Road 128, 1.1 miles southeast of junction with Berryessa-Knoxville Road 213 Comment
  UCD116270  Fremontodendron californicum Beecher Crampton 1970-4-15 8557 Napa North end of Capell Valley, State Hwy. 128. Comment
  UCD116306  Fremontodendron californicum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  UC766016  Fremontodendron californicum subsp. californicum R. F. Hoover 1938-6-11 3600 Napa Knoxville Ridge 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
  CAS-BOT-BC130072  Fritillaria affinis E. Crum 1936-3-15 1740 Napa [Butte's] Butts Canyon, Pope Valley-Middletown Road Comment
  CAS-BOT-BC130081  Fritillaria affinis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC130076  Fritillaria affinis John Thomas Howell 1926-3-20 1696 Napa Old toll road to Mt. St. Helena Comment
  RSA654126  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UCSB679  Fritillaria affinis Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  CAS-BOT-BC130488  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa Palasades, Mayacama range, north of Calistoga Comment
  UC421723  Fritillaria purdyi Mrs. L. M. McArthur 1930-4-3 Napa Calistoga, summit of second range Calistoga Comment
  CAS-BOT-BC508186  Fritillaria recurva Hunt 1913-3-27 s.n. Napa St Helena Comment
  JEPS5214  Fritillaria recurva W. L. Jepson 1924-4-27 10375 Napa e side of Mount St. Helena Mount St. Helena Comment
  JEPS61954  Fritillaria recurva Willis L. Jepson 1893-5-5 14819 Napa ne side of Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  SEINET12329996  Galium andrewsii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -315 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD15985  Galium andrewsii subsp. andrewsii C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 2 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 9.2'' N; 122 deg. 21' 11.5'' W; 480 m. Comment
  JEPS110607  Galium aparine Jake Ruygt 1978-4-6 258 Napa 1.0 mile west of Dry Creek Rd. on Redwood Rd. 51 Comment
  UCD112244  Galium aparine Christopher Mallek 2008-5-12 AS2- 21 Napa Aetna Springs. 668 Comment
  UCD159924  Galium aparine Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CDA42134  Galium aparine T. C. Fuller 1958-5-1 3723 Napa 2.5 miles north of Calistoga. 0 Comment
  UCD23388  Galium aparine Ann Biglieri 1977-4-16 8 Napa Near Highway 128, 6.4 miles by road SSW of Monticello Dam. 182 Comment
  JEPS52706  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 C Napa at junction road to Angwin and road to Sanitarium; n of St. Helena Comment
  JEPS52650  Galium bolanderi Lauramay T. Dempster 1965-5-15 4093 Napa s Knoxville (n slope); Cedar Valley 609 Comment
  JEPS110600  Galium parisiense Jake Ruygt 1981-5-27 1034 Napa .3 mile south of Sage Canyon Rd. on Lower Chiles Valley Rd. 274 Comment
  UCD121148  Galium parisiense Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7346 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
  UCR212331  Galium porrigens 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
  UCD168538  Gamochaeta ustulata Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CAS-BOT-BC199055  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  HSC38149  Garrya congdonii Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2346 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UC1122625  Garrya congdonii B. Schreiber 1936-9-20 2353 Napa 5 mi s Reiff; Reiff Quad. 762 Comment
Read comments
Jan 14 2009
  UCD162740  Garrya congdonii Dylan O. Burge; J. Rugyt 2014-5-23 1626 Napa Butts Canyon Road, roadside. 222 Comment
  UCD48040  Garrya congdonii R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 10 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  JEPS66757  Garrya flavescens W. L. Jepson 1936-2-8 17400 Napa Adam and Eve Ridge; Howell Mt. Comment
  CAS-BOT-BC144385  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  JEPS66733  Garrya fremontii W. L. Jepson 1896-2-22 14160 Napa Crystal Springs grade to Howell Mt. Comment
  UCD19927  Gastridium phleoides E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 782 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  CAS-BOT-BC278655  Gastridium phleoides Thomas H. Kearney 1948-6-26 s.n. Napa Near Napa Comment
  JEPS76096  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  JEPS61469  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  UCD103394  Geranium dissectum M. Wiesendanger 1927-5-4 666 Napa Near Monticello. Comment
  RSA0028547  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  OBI71998  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  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
  JEPS110952  Gilia capitata subsp. capitata Jake Ruygt 1978-4-30 281 Napa .1 mile from end of Taplin Rd. 67 Comment
  UC914293  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7968 Napa wooded canyon ca 8 mi ne Vichy Springs (on Monticello Road, Mayacama Mountains); Mayacama Mountains, ne of Vichy Springs Comment
  UC1182818  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 7702 Napa Comment
  UC914316  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7965 Napa w slope Mt. St. Helena Comment
  UC932033  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7964 Napa ca 2-3 mi from Knight's Valley (on w slope of Mt. St. Helena); w slope Mt. St. Helena, ca 2-3 mi from Knight's Valley Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  HSC16982  Gilia tricolor Greg Bos 1963-3-30 51 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  SEINET9288140  Gilia tricolor Unknown 1933-4-2 97 Napa Napa County Comment
  SEINET7075538  Gilia tricolor subsp. diffusa A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCD167227  Gilia tricolor subsp. diffusa Jake Ruygt 1982-5-1 1217 Napa 3.2 miles north of Loma Vista Drive on Soda Canyon Road. 320 Comment
  JEPS33907  Githopsis specularioides D. E. Breedlove 1963-5-29 5063 Napa 4.5 mi n Pope Valley Comment
  POM182707  Githopsis specularioides D. D. Keck 1931-4-2 1022 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  JEPS115689  Glinus lotoides Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  RSA769217  Glinus lotoides L. Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 air miles northwest of Winters 130 Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  UC147897  Gratiola ebracteata J. P. Tracy 1902-5-21 1611 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); , head of Moore's Creek 518 Comment
  UCD148102  Grindelia camporum Jake Ruygt 1987-10-12 2107 Napa Putah Creek north of Berryessa Estates. 146 Comment
  CAS-BOT-BC304895  Grindelia hirsutula Alice Eastwood 1915-6-5 4628 Napa Calistoga Comment
  CAS-BOT-BC304897  Grindelia hirsutula Robert M. King 1980-7-9 8417 Napa 2-3 miles north of Calistoga Comment
  CAS-BOT-BC304899  Grindelia hirsutula Peter H. Raven 1953-10-4 6365 Napa Duttons Landing 0 Comment
  CAS-BOT-BC304901  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  SEINET3142904  Grindelia hirsutula M. P. Dunford 1959-10-3 555 Napa 2 mi. W of Chiles Valley; along Soda Creek Comment
  JEPS120380  Grindelia hirsutula Jake Ruygt 1981-5-13 1024 Napa American Canyon, south side of canyon Comment
  UCR198044  Grindelia hirsutula var. davyi Jake Ruygt 1981-6-10 1051 Napa west of Mt. Vaca on Vaca Range 457 Comment
  POM143656  Guillenia lasiophylla C. F. Baker 1903-4-20 2629 Napa Mt. St. Helena. Comment
  OBI21959  Hainardia cylindrica S. Galen SMith, J. Anderson 1957-6-7 2958 Napa Myrtledale Hot Srpings 1.5 mi NW of Calistoga 122 Comment
  JEPS100843  Harmonia hallii Dean Wm. Taylor with Mey Akasah 1999-6-4 17219 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD170159  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 779 Napa Knoxville Wildlife Area, on road above and east of upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 522 Comment
  UC177483  Harmonia hallii C. F. Baker 1902-5-8 3079 Napa Knoxville Comment
  CAS-BOT-BC302214  Harmonia nutans M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC302234  Harmonia nutans Bruce G. Baldwin 1987-4-26 652 Napa Las Posadas State Forest (Howell Mountain), immediately north of dirt road leading east from Las Posadas Fire Station, less than 0.1 mile east of station Comment
  CAS-BOT-BC302240  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  UC1199158  Harmonia nutans Joseph P. Tracy 1933-4-30 12117 Napa near Angwins (Howell Mountain); Northern Coast Ranges, Howell Mountain 457 Comment
  UC625518  Harmonia nutans Frank W. Gould 1938-4-3 95 Napa 1 mi nw Yountville 152 Comment
  CAS-BOT-BC306348  Helenium W. L. Jepson 1938-9-24 19023 Napa In canyon of Limekiln (or James) Creek, north of Pope Valley 304 Comment
  JEPS106638  Helenium bigelovii Jake Ruygt 1996-6-15 3745 Napa White Cliff Springs, above Soda Valley (Soda Spring) 365 Comment
  CDA29733  Helenium puberulum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 215 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
  UCD132774  Helianthella californica J. M. Tucker 1968-5-20 4111 Napa summit of Blue Ridge (Vaca Range), around 1.5 miles northwest of the head of Mxi Canyon. 762 Comment
  JEPS21037  Helianthella californica subsp. californica W. L. Jepson 1904-6-3 2450 Napa Howell Mt. Comment
  CAS-BOT-BC314718  Helianthella californica var. californica Peter H. Raven 1953-5-2 5404 Napa Rector Dam to Foss Valley 396 Comment
  CAS-BOT-BC314721  Helianthella californica var. californica J. Clausen 1935-5-23 1072 Napa Howell Mountain near summit 6.5 mi. N. of St. Helena Comment
  UC2026898  Helianthus bolanderi David Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UCR81348  Helianthus bolanderi G. Fred Hrusa 1993-10-3 11426 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  CAS-BOT-BC305535  Helianthus bolanderi H. M. Hall 1923-10-12 11927 Napa Northern Napa Co. 16 mi. s.e. of Lowerlake Comment
  RSA96661  Helianthus bolanderi Percy C. Everett, E. K. Balls 1954-10-19 20372 Napa On road to Lower Lake 3.9 miles n.w. of Knoxville. 610 Comment
  UC897487  Helianthus californicus Lewis S. Rose 1939-8-20 39358 Napa 14 miles E of Rutherford; Chiles Creek Canyon 304 Comment
  CHSC103019  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 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
  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
  UCD20738  Heliotropium europaeum Ellen Dean; w/ Mark Bibbo 2002-6-17 1102 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. By field station, in the middle of the parking lot. 384 Comment
  JEPS37515  Helminthotheca echioides W. L. Jepson 1918-6-25 7671 Napa Oakville Napa Valley Comment
  CAS-BOT-BC306149  Hemizonia congesta subsp. clevelandii Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UC88998  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-8-1 Napa Calistoga Comment
  CAS-BOT-BC306145  Hemizonia congesta subsp. clevelandii H. M. Hall 1924-10-4 12112 Napa Calistoga, (Myrtledale Spring) Comment
  CAS-BOT-BC309838  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CAS-BOT-BC309833  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4541 Napa 9 miles n. of Vallejo in Napa Co. Comment
  CAS-BOT-BC309845  Hemizonia congesta subsp. luzulifolia L. S. Rose 1927-7-24 s.n. Napa St. Helena Comment
  CDA7810  Hemizonia parryi A. Delfino 1960-10-4 Napa Tamagni Dairy, Calistoga. 0 Comment
  JEPS106732  Herniaria hirsuta subsp. cinerea Jake Ruygt 1989-6-17 2369 Napa Bear Valley 643 Comment
  CAS-BOT-BC388501  Herniaria hirsuta var. cinerea Peter H. Raven 1951-6-10 2911 Napa Crater Region e. of Mt. St. Helena 762 Comment
  UCD161602  Hesperevax sparsiflora var. sparsiflora Jake Ruygt 1998-6-24 4058 -b Napa Goslin Canyon, north of hunting camp. Comment
  UCD161646  Hesperocyparis macnabiana Jake Ruygt 2006-3-23 4960 Napa north of Potato Hill, Wildlake Ranch. (Coordinates coverted from UTM data by label maker.) 685 Comment
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  JEPS112582  Hesperolinon Jake Ruygt 1995-6-26 3508 Napa about 2 miles south of L. Hennessey on private road (Taylor) 414 Comment
  CAS-BOT-BC167404  Hesperolinon bicarpellatum J. P. Tracy 1905-7-6 2218 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 457 Comment
  CAS-BOT-BC167420  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's 396 Comment
  JEPS122785  Hesperolinon bicarpellatum Jake Ruygt 1998-7-6 4075 Napa Butts Canyon about 0.3 mile north of Snell Valley Road. QUAD: Aetna Springs. Comment
  JEPS122853  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 232 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS22718  Hesperolinon bicarpellatum Katharine Brandegee 1911-6-29 Napa near Aetna Springs; Butts Canyon Comment
  SD51628  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Serpentine slope in chaparral. Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek. 274 Comment
  UCD110479  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4108 Napa Above Sage Creek 0.8 miles south of Chiles Valley. 304 Comment
  UCD167168  Hesperolinon bicarpellatum Jake Ruygt 2015-4-20 6074 Napa Fernandes/ Land Trust, Snell Peak area. 394 Comment
  JEPS122903  Hesperolinon californicum Adam C. Schneider 2015-5-19 933 Napa Along Pope Valley Rd. Comment
  JEPS122907  Hesperolinon californicum Adam C. Schneider 2015-6-10 938 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Rd). Comment
  JEPS127889  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 218 Napa About 200 meters west of Butts Canyon Road. Comment
  JEPS32284  Hesperolinon californicum W. L. Jepson July 1892 13546 Napa Zem Zem (ne Napa Co.) Comment
  UC1212437  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4074 Napa near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 289 Comment
  JEPS122782  Hesperolinon clevelandii Jake Ruygt 1997-5-18 3856 Napa Hogback Mountain. QUAD: Sonoma. Comment
  JEPS122828  Hesperolinon disjunctum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-19 279 Napa Knoxville Devilhead Road. Comment
  JEPS122857  Hesperolinon disjunctum Adam C. Schneider with Dick O'Donnell 2013-5-28 245 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Baryessa Knoxville Road. Comment
  JEPS32322  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  OBI22868  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  UCD110520  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 121 Comment
  UCD164756  Hesperolinon disjunctum Jake Ruygt 2014-5-24 5960 Napa Camp Berryessa, north of Pope Creek. 144 Comment
  UC1212482  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Knoxville-Monticello road 0.8 mi s Knoxville (above Knoxville Creek); Inner North Coast Ranges 365 Comment
  CAS-BOT-BC167456  Hesperolinon drymarioides G. L. Stebbins 1966-6-6 6447 Napa Along road from Knoxville to Cedar Valley 487 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
  UC1212263  Hesperolinon micranthum Helen K. Sharsmith 1952-5-17 4073 Napa road to Rutherford 3 mi e State Route 28; Inner North Coast Ranges, Canyon of Soda Creek 243 Comment
  UC1212414  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4602 Napa Rutherford road at edge of Chiles Valley Inner North Coast Ranges, Chiles Valley 213 Comment
  UC1601213  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4036 Napa 3.2 mi w Rutherford-Monticello road junction (on road to Rutherford); Inner North Coast Ranges 152 Comment
  UCD63864  Hesperolinon micranthum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 560 Comment
  UC1212415  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4603 Napa Chiles Valley Ranch Inner North Coast Ranges, Chiles Valley 213 Comment
  UC1601273  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4641 Napa slope above Soda Creek Canyon (near Hwy 128 four mi beyond junction of Hwy 37 Locality for HKS 4595); Inner North Coast Ranges, Cappell Valley 213 Comment
  JEPS122840  Hesperolinon sharsmithiae W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 224 Napa Along trail up to meadow above Shadhilyya Sufi Center. Comment
  JEPS122802  Hesperolinon spergulinum Jake Ruygt 2000-6-10 4268 Napa Berryessa-Knoxville Road near Foley Creek. QUAD: Knoxville. Comment
  JEPS32290  Hesperolinon spergulinum W. L. Jepson 1893-6-26 14380 Napa Howell Mt. 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
  UCD167351  Hesperolinon spergulinum Jake Ruygt 2010-7-5 5665 Napa East of White Point. 658 Comment
  UC1212394  Hesperolinon spergulinum Helen K. Sharsmith 1959-5-18 4710 Napa n of Aetna Springs (about 1 mi above the hotel); Inner North Coast Ranges 274 Comment
  UCD167350  Hesperolinon spergulinum Jake Ruygt 2007-5-26 5198 Napa Duff Ranch, south side of Grassy Hill. 707 Comment
  UCD54386  Heterocodon rariflorum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  JEPS45021  Heteromeles arbutifolia W. L. Jepson Nov 26 1895-Nov 27 1895 13824 Napa St. Helena , Napa River (Stone Bridge, Napa River) Comment
  UC1536920  Heteromeles arbutifolia Gordon H. True Jr. 1937-6-20 729 Napa e of Napa (Mt. George); Mt. George 304 Comment
  UCD113314  Heteromeles arbutifolia Heidi E. M. Dobson 1978-7-12 347 Napa East slope of Mt. Veeder. Comment
  RSA518726  Heterotheca oregona var. compacta Barbara Ertter, E. Neese 1988-10-2 7949 Napa Lake Hennessey, ca. 15 airmiles NNW of Napa, on Conn Crk in North Coast Ranges. 91 Comment
  CAS-BOT-BC311031  Heterotheca oregona var. compacta John Thomas Howell 1930-10-19 5600 Napa Bed of Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  JEPS2436  Heterotheca oregona var. rudis W. L. Jepson 1922-10-22 9833 Napa St. Helena, bed of White Sulphur Creek White Sulphur Creek Comment
  CAS-BOT-BC312333  Hieracium albiflorum Peter H. Raven 1950-6-20 2347 Napa Napa Range between Conn Valey and Howell Mtns. Comment
  RSA10679  Hieracium albiflorum C. B. Wolf 1928-5-3 1808 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS101835  Hoita macrostachya Dean W. Taylor 1999-7-20 17290 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  UC1586044  Hoita macrostachya Barbara Ertter with Elizabeth Neese 1988-10-2 7959 Napa s side Rt 128 across from spillway (ca 15 air mi nnw); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  UC1586045  Hoita macrostachya Barbara Ertter with Elizabeth Neese 1988-10-2 7959 Napa s side Rt 128 across from spillway (ca 15 air mi nnw); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  CAS-BOT-BC280702  Holcus lanatus Elsa G. Ruckert 1960-4-29 s.n. Napa 300 yards from 6495 Dry Creek Road 365 Comment
  JEPS106636  Holocarpha virgata Jake Ruygt 1987-7-27 2084 Napa .7 miles west of HWY 128 on Monticello Road 256 Comment
  UCD35477  Holocarpha virgata Beecher Crampton 1957-4-15 3933 Napa between Wragg Canyon and Capell Valley. Comment
  CAS-BOT-BC149994  Holodiscus discolor var. discolor G. Douglas Barbe 1957-7-4 368 Napa NW of Christian Bros. Mt. LaSalle School, abt. 0.6 mi. SE of road (6.6 miles west of State Hwy 29 on Redwood Road) Comment
  CAS-BOT-BC315793  Holozonia filipes Joseph P. Tracy 1938-6-6 15838 Napa Napa Valley, between Napa City and Yountville 30 Comment
  POM30486  Holozonia filipes Katherine Brandegee 1910-7-26 186 Napa Near Angwin's. 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-BC285097  Hordeum marinum subsp. gussoneanum Peter H. Raven 1957-5-5 10738 Napa Calistoga 91 Comment
  UCD168567  Hordeum murinum subsp. leporinum Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UC679532  Horkelia californica subsp. dissita Milo S. Baker 1942-6-26 10208 Napa 1 mi e Pac. Theolog. Seminary; Pine Crest Comment
  JEPS126088  Hosackia stipularis Jake Ruygt 1981-7-8 1057 Napa Road to Bateman Creek from Montesol; Livermore Road. Detert Reservoir 7.5' Qua. Comment
  CAS-BOT-BC410811  Hypericum concinnum J. Clausen 1935-5-23 1072 a Napa Howell Mountain, near summit, 6.5 mi. N of St. Helena Comment
  UCD73842  Hypericum concinnum Ellen Dean; S. Rae 2008-5-21 4977 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  CAS-BOT-BC410805  Hypericum concinnum Belle Richardson Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's Mt. St. Helena region Comment
  CAS-BOT-BC410807  Hypericum concinnum John Thomas Howell 1926-10-3 2207 Napa Near top of Mt. St. Helena 1066 Comment
  UC19037  Hypericum concinnum Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa Knoxville Comment
  CAS-BOT-BC312893  Hypochaeris glabra John H. Thomas 1955-5-21 5177 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCD120789  Hypochaeris radicata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7329 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UC1134692  Iris douglasiana B. Schreiber 1936-5-3 2204 Napa 1.2 mi w Calistoga; Calistoga Quad. 152 Comment
  UCSB19155  Iris douglasiana Rankine, Jane 1965-4-13 Napa 3 miles W of Pope Valley; on the road between Pope Valley and Anqwin Comment
  UCD138720  Iris fernaldii Collector Unknown 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UC896991  Iris fernaldii Milo S. Baker 1932-4-26 3955 Napa highway s Monticello Comment
  UCD138721  Iris fernaldii C. G. Baughn 1949-4-24 27 Napa State Highway 12, 4 miles northwest of Cordelia. Comment
  UC1134711  Iris macrosiphon A. Lewis 1932-5-18 98 Napa Dry Creek; Napa Quad. 152 Comment
  UC917173  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 mi from St. Helena (on Pope Valley Road) Comment
  UCD160672  Iris macrosiphon Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8745 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UCD170210  Iris macrosiphon Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 747 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCD48724  Iris macrosiphon A. Collier; D. Caterson and S. Kenady 2002-5-4 18 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Located in section between upper and lower roads in which the road has become a path. 2 meters E of path. 304 Comment
  UC4272  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  UC917188  Iris macrosiphon C. G. Baughn 1949-4-24 27 Napa 4 mi nw Cordelia (State Highway 12) Comment
  JEPS122771  Isatis tinctoria Jake Ruygt 2011-5-14 5785 Napa Chiles-Pope Valley Road near old barn. Quad: Chiles Valley. Comment
  UC1239793  Isoetes nuttallii Joseph P. Tracy 1933-4-30 12113 Napa 3 - 4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt, La Jota Plateau 518 Comment
  JEPS369  Isoetes orcuttii J. P. Tracy 1902-5-19 1553 Napa Howell Mt., Moore's Creek 518 Comment
  UCD141338  Juncus balticus subsp. ater H. MacKenzie 1949-5-29 22 Napa 5 miles west of St. Helena. Comment
  UC1601693  Juncus bufonius W. L. Jepson 1896-1 Napa near St. Helena; Napa Valley Comment
  JEPS122652  Juncus covillei Jake Ruygt 1989-6-17 2370 Napa Van Ness Canyon near Bear Valley. Quad: Detert Resevoir. Comment
  JEPS126052  Juncus dubius Jake Ruygt 2010-6-26 5658 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
  JEPS126055  Juncus ensifolius Jake Ruygt 2007-6-2 5218 a Napa Wild Lake, north of Friesen Lakes. Saint Helena 7.5' Quad. Comment
  JEPS122655  Juncus kelloggii Jake Ruygt 1992-4-29 2912 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  UCD149690  Juncus mexicanus 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
  UC184101  Juncus occidentalis Joseph P. Tracy 1905-7-5 2211 Napa 3-4 mi e Angwin's (at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UCD160712  Juncus occidentalis Ellen Dean; Jake Ruygt 2015-5-23 8771 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  RSA517032  Juncus occidentalis W. L. Jepson 1936-6-1 17579 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UCD166704  Juncus occidentalis Jake Ruygt 1982-3-17 1132 Napa Suscol plain, east of Kaiser Steel (Rocktram). 1 Comment
  UCD166705  Juncus occidentalis Jake Ruygt 2004-4-12 4585 Napa Gordon Valley Road, south side of Okell Hill. 115 Comment
  UC527940  Juncus oxymeris R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6686 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  RSA40264  Juncus patens L. S. Rose 1946-8-18 46264 Napa 3 miles NE of Napa. 61 Comment
  RSA293538  Juncus xiphioides C. W. Tilforth, John Dourley 1979-7-22 1857 Napa 0.4 miles south of Park Headquarters, west side of Lake Berryesa. 137 Comment
  UCD20537  Keckiella breviflora var. glabrisepala E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1077 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-BC235866  Keckiella corymbosa Peter H. Raven 1953-5-2 5400 Napa Summit of hill due e. of Yountville 304 Comment
  JEPS128872  Keckiella corymbosa Jake Ruygt 1999-7-17 4206 Napa Mount Saint Helena fire road. Detert Reservoir 7.5' Quad. Comment
  UC185352  Keckiella lemmonii Katharine Brandegee 1910-7-27 Napa Angwin's; Napa Range, Howell Mt. Comment
  JEPS122919  Koeleria macrantha Jake Ruygt 1985-5-18 1603 Napa American CAanyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  UC526698  Koeleria macrantha Joseph P. Tracy 1933-6-2 12475 Napa hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, , Moore's Creek 396 Comment
  CAS-BOT-BC499635  Kopsiopsis strobilacea L. R. Abrams 1928-5-4 12264 Napa Mt. St. Helena trail 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
  NY180446  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring Comment
Read comments
Nov 25 2013
  UC175970  Lagophylla minor J. P. Tracy 1902-5-22 1621 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  UCD118352  Lagophylla minor Reed Crane; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 387 Comment
  UCD48648  Lagophylla minor K. Mogel; B. Pekin and M. Higley 2002-5-4 1 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
  CAS-BOT-BC341423  Lagophylla minor David D. Keck 1933-5-29 2376 Napa 1.3 miles south of Knoxville Comment
  CAS-BOT-BC341428  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-BC341431  Lagophylla minor Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5350 Napa North side of Pope Creek, between Samuels Springs and Walters Springs 243 Comment
  OBI77850  Lagophylla minor David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24507 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  SBBG36845  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa bridge over Pope Crk, just S of Walters Spring; ISOTYPE: L. dichotoma subsp. minor Comment
  SEINET879048 Image available Lagophylla minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just south of Walters spring. Comment
  UC913121  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek just s Walters Spring; ; bridge over Pope Creek, S of Walters Spring, Napa Co. Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain Comment
  UCD132430  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  UCD19313  Lagophylla ramosissima M. A. Bibbo; E. Dean 2001-7-6 5 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  CAS-BOT-BC341554  Lagophylla ramosissima Peter H. Raven 1951-6-26 3088 Napa Cappell valley to Wooden Valley 304 Comment
  JEPS19934  Lagophylla ramosissima Willis L. Jepson 1894-7-19 Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS63244  Lamium amplexicaule Mrs. Clara A. Hunt 1909-3-30 Napa St. Helena Comment
  RSA3634  Lamium amplexicaule I. L. Wiggins 1932-2-12 5749 Napa Growing in orchard 1 mi. N. of town, Calistoga. Comment
  CAS-BOT-BC355483  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  RSA51265  Lasthenia glaberrima Peter H. Raven 1950-5-6 2004 Napa Near geysers and hot springs near Calistoga airfield, Calistoga. 46 Comment
  UCD118396  Lasthenia gracilis Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 406 Comment
  UC496104  Lathyrus aphaca Mrs. Ernest Lloyd 1931-5-5 Napa Howell Mountain Comment
  SEINET956311  Lathyrus vestitus Paul C. Hutchison 1963-1 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  RSA15677  Lathyrus vestitus subsp. vestitus Carl B. Wolf 1928-2-25 1491 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  RSA633298  Lathyrus vestitus subsp. vestitus Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8166 Napa Along Rt. 128 at road marker 24/80 Comment
  UC15376  Lathyrus vestitus var. vestitus Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  UCD83863  Lathyrus vestitus var. vestitus Ellen Dean; Stephen Rae 2010-3-15 5821 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  JEPS55379  Lathyrus vestitus var. vestitus W. L. Jepson May 26 1896-May 27 1896 13631 Napa below New Eden; Howell Mt. Comment
  CAS-BOT-BC323198  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  HSC5916  Layia chrysanthemoides Greg Bos 1963-3-30 59 Napa 3 mi. S of Middleton on Butte Canyon Rd. Comment
  SBBG8517  Layia gaillardioides H. and M. Dearing 1939-4-28 3220 Napa near Fairfax Comment
  JEPS39206  Layia septentrionalis Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  UCD170351  Layia septentrionalis Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 850 Napa Just north of Nevada Creek, west, east, and south of Knoxville Wildlife Area boundaries due to indentation in the southern boundary. 392 Comment
  UCD63159  Layia septentrionalis Jake Ruygt 1980-4-13 834 Napa North of Snell Valley over ridge. 256 Comment
  CAS-BOT-BC534369  Lemna minor Peter H. Raven 1951-6-26 3042 Napa Sarco Creek east of Napa 60 Comment
  UCD19935  Lepechinia calycina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 793 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD70473  Lepechinia calycina P. J. Plummer 1995-5-29 s.n. Napa W of city of Winters, roadside off hwy 128. 335 Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 Comment
  JEPS126117  Lepidium campestre Jake Ruygt 1992-5-23 2997 Napa Buckeye Lane, 0.3 mile north of White Cottage Lane, Angwin. Saint Helena 7.5' Qua. Comment
  CAS-BOT-BC12512  Lepidium nitidum Alice Eastwood 1922-3-25 11092 Napa Calistoga. Comment
  RSA696168  Lepidium nitidum Keith E. Hoffmaster 1946-3-23 1058 Napa Napa range, along Napa-Monticello road Comment
  JEPS53740  Lepidium strictum Willis L. Jepson 1893-5-1 13361 Napa Calistoga Napa River Basin Comment
  UC10599  Lepidium strictum Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  POM94072  Lepidium strictum A. A. Heller, H. E. Brown 1902-4-25 5363 Napa Near Napa Comment
  RSA10695  Leptosiphon androsaceus C. B. Wolf 1928-5-3 1792 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM182717  Leptosiphon androsaceus D. D. Keck 1931-4-3 1070 Napa Pope creek canyon, near Walter Springs Comment
  POM204476  Leptosiphon androsaceus J. T. Howell 1933-5-21 11314 Napa Hills east of Napa. Comment
  SEINET14160510  Leptosiphon androsaceus M. J. Williams 1967-5-7 s. n. Napa Howell Mountain, between St. Helena and Angwin 259 Comment
  UCD49212  Leptosiphon bicolor Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 15 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. 167 Comment
  CAS-BOT-BC226692  Leptosiphon jepsonii L. R. Abrams 1928-5-3 12220 Napa St. Helena Grade Comment
  UCD103881  Leptosiphon jepsonii Joel Smith 2011-6-16 s.n. Napa Wantrup Road Wildlife Sanctuary, on primary road, 1.3 km W of Hardin Rd. and 60 m N of a vernal pool. 256 Comment
  JEPS120322  Leptosiphon latisectus Jake Ruygt 2005-4-17 4781 Napa Upper Swartz Creek near Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  UCD167233  Leptosiphon latisectus Jake Ruygt 2008-4-19 5294 Napa Cadlestick Ridge, Wildlake Ranch. 675 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
  CHSC10563  Leptosiphon parviflorus Lowell Ahart 1969-6-7 Napa Near Lake Berryessa. 243 Comment
  UCD118108  Leptosiphon parviflorus Megan Mateo; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station along undeveloped road. Northwest side of road near fork in road. 519 Comment
  UCD170684  Leptosiphon parviflorus 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCSC009028  Leptosiphon parviflorus Dylan M. Neubauer 2015-4-24 130 Napa (NCoRI) Dirt road abutting drainage flowing S/N on S side Chiles-Pope Valley Road 301 Comment
  OBI15785  Lessingia nemaclada Robert F. Hoover 1966-8-23 9930 Napa Butts cy near Lake co line Comment
  RSA195344  Lewisia rediviva Gilbert Muth 1967-5-17 684 Napa Summit of Oat Hill Road 671 Comment
  SEINET11933914  Lewisia rediviva F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -298 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC971805  Limnanthes douglasii Annetta Carter 1942-4-19 1668 Napa meadow 2 mi s Staggs Leap Comment
  POM137445  Limnanthes douglasii subsp. douglasii C. F. Baker 1903-4-19 1991 Napa Calistoga. Comment
  JEPS112564  Limnanthes douglasii subsp. nivea Jake Ruygt 1996-3-23 3532 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  UCD167292  Limnanthes floccosa subsp. floccosa Jake Ruygt 2005-4-17 4772 Napa Cub Valley' south of Bear Valley. 664 Comment
  JEPS110642  Limosella acaulis Jake Ruygt 1982-3-28 1158 Napa Suscol plain east of Rocktram 1 Comment
  UC133860  Linanthus androsaceus Brannan 1870-1 Napa Comment
  UC23364  Linanthus androsaceus W. L. Jepson 1893-4-25 Napa St. Helena Comment
  JEPS29592  Linanthus androsaceus Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8449 Napa 0.75 mi s Capell Valley (slope above Calif Highway 37, along Capell Creek); Capell Creek 249 Comment
  JEPS58160  Linanthus androsaceus W. L. Jepson 1892-3-25 20904 Napa Signal sta., Vaca Mts (w crest) Vaca Mts. Comment
  UCD15045  Linanthus bicolor Gail Matson 1977-4-16 24 Napa California, Napa Co.; along Highway 128, 6.4 miles SW of Monticello Dam; Comment
  UCD15265  Linanthus bicolor Patsy Barry 1984-5-12 16 Napa serpentine outcrop on Hwy 128 near Moscowite corners: 304 Comment
  JEPS58393  Linanthus dichotomus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UC971717  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 8 mi s Pope Valley Store Comment
  JEPS58099  Linanthus parviflorus W. L. Jepson 1893-4-28 20938 Napa ne of Napa (Wooden Valley, grade near w base Napa Range); Napa Valley Range, Wooden Valley Comment
  UC188469  Linanthus parviflorus C. F. Sonne Apr 1896 Napa Napa Valley Comment
  UC52443  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS101591  Linanthus pygmaeus subsp. continentalis Dean W. Taylor 1998-6-18 16678 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  CAS-BOT-BC36062  Lithocarpus densiflorus var. densiflorus Alice Eastwood 1918-5-1 6855 Napa Mt. St. Helena Comment
  JEPS48657  Lithophragma affine Elsa Kraeger 1926-3-28 Napa 1/2 mi below Mt. St. Helena Inn (roadside); below Mt. St. Helena Inn Comment
  JEPS47659  Lithophragma bolanderi Willis L. Jepson 1893-4-24 13470 Napa hills e St. Helena; Napa River Basin, e of St. Helena Comment
  UC164899  Logfia filaginoides J. P. Tracy 1902-5-16 1504 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  JEPS33569  Logfia gallica W. L. Jepson 1936-6-2 17614 Napa hills to e Yountville (on e side road); Napa Valley Comment
  UCD36954  Lolium Beecher Crampton 1956-5-25 3490 Napa Sarco Creek Canyon. Comment
  UCD121179  Lolium multiflorum Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7358 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD18012  Lolium multiflorum Ellen Dean; with Plant Biology 102 class 2001-4-28 744 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  UC1563883  Lomatium californicum Barbara Ertter with Annetta Carter 1989-5-28 8498 Napa 9.0 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa); n of Lake Berryessa 243 Comment
  HSC38125  Lomatium californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2350 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  SBBG5203  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  CDA11900  Lomatium dasycarpum G. F. Hrusa, G. L. Stebbins 1994-4-8 11720 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UCD48425  Lomatium dasycarpum S. Murphy; K. Keck and K. Dyer 2002-5-5 11 Napa Quail Ridge UC Reserve, northern tip of ridge, along southern edge of upper road leading to power lines and tip parcels, north from the intersection of West and East roads ca. 450 m. 327 Comment
  UCD54306  Lomatium dasycarpum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 5 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11'' N; 122 deg. 21' 13'' W; 530 m. Comment
  UC1301124  Lomatium dasycarpum subsp. dasycarpum Helen K. Sharsmith 1963-3-17 5228 Napa s. side Mt. Atlas; San Francisco Bay Region, Mt. Atlas 609 Comment
  UCD47852  Lomatium dasycarpum subsp. dasycarpum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 7 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 518 Comment
  JEPS104569  Lomatium macrocarpum Jake Ruygt 1986-5-17 1766 Napa American Canyon, .4 mile east of Flosden Road 106 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
  POM225346  Lomatium marginatum J. T. Howell 1931-4-19 6466 Napa Conn Valley. Comment
  HSC70623  Lomatium marginatum var. marginatum J. M. DiTomaso 1980-6-13 1584 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  JEPS41087  Lomatium marginatum var. purpureum Rimo Bacigalupi and L. R. Heckard 1965-5-15 9090 Napa 0.5 mi. s.e. of Devilhead Rd. from Knoxville to Cedar Valley (headwaters of Zim Zim Creek); Zim Zim Creek 487 Comment
  RSA3281A  Lomatium marginatum var. purpureum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  JEPS15831  Lomatium repostum W. L. Jepson 1892-3-25 14308 Napa summit Vaca Mts. Comment
  OBI55128  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena, near the old inn. Comment
  POM298615  Lomatium repostum Lincoln Constance, J. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  SEINET7883499 Image available Lomatium repostum Unknown 1946-1 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  CDA11321  Lomatium utriculatum G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12027 Napa at entrance gate, UC Quail Ridge Reserve Comment
  UC566817  Lomatium utriculatum H. L. Mason 1926-3-22 2786 Napa from Calistoga to Petrified Forest Comment
  UC663017  Lomatium utriculatum Basil Bowers 1941-6-18 381 Napa e. Calistoga (near summit of old mines rd., Palisades); Palisades 762 Comment
  JEPS106724  Lonicera hispidula var. vacillans Jake Ruygt 1979-6-1 663 Napa 1.2 miles west of HWY 29 on Diamond Mtn. Road 195 Comment
  CAS-BOT-BC240800  Lonicera interrupta Milo S. Baker 1926-5-1 224 b-Son ser. Napa Mt St Helena - 2 mi S.E. of Inn Comment
  UCD147531  Lonicera interrupta Ellen Dean; Diana Hickson 2014-4-29 8085 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD20507  Lonicera interrupta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1080 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
  JEPS126086  Lotus corniculatus Jake Ruygt 1982-5-13 1248 Napa 0.5 mile south of Imola Ave. on South Jefferson Street. Napa 7.5' Qua. Comment
  JEPS107210  Lotus micranthus Jake Ruygt 1991-5-4 2639 Napa betweed Fawn Lake and Granite Lake Friesen's Lakes 603 Comment
  UCR91213  Lotus micranthus A. C. Sanders 1996-6-1 18193 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  SEINET8721491 Image available Lotus micranthus Laura Zeller 1965-1 23 Napa On Silverado Trail ca. 1 mi. S of Zinfandel Ave. 55 Comment
  UC1197311  Lotus pinnatus Joseph P. Tracy 1902-5-21 1625 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  SEINET7073050  Lotus purshianus A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  JEPS107207  Lotus purshianus var. purshianus Jake Ruygt 1986-6-28 1845 Napa Mt. Millhouse Camp, Mt.St.Helena 505 Comment
  UC1300862  Lotus purshianus var. purshianus Helen K. Sharsmith 1962-6-3 5102 Napa Napa to Soda Springs road; San Francisco Bay Region 152 Comment
  HSC71007  Lotus scoparius J. M. DiTomaso 1980-6-12 1580 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  JEPS64887  Lotus scoparius W. L. Jepson 1934-10-19 16902 Napa St. Helena Comment
  JEPS107203  Lotus strigosus Jake Ruygt 1991-4-20 2635 Napa Mead Ranch, Atlas Peak Rd. 548 Comment
  JEPS107200  Lotus wrangelianus Jake Ruygt 1986-3-22 1663 Napa Vaca Mountains east of Markley Cove 231 Comment
  UCD65952  Ludwigia peploides subsp. montevidensis B. J. Grewell 2006-9-19 06- 71 -LU Napa Lake Hennessey where reservoir overflow backs up into confluence with Sage Creek south of Hwy 128. 97 Comment
  UCD105922  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  CAS-BOT-BC201547  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1940-4-7 s.n. Napa South slope of Mt. St. Helena Comment
  CAS-BOT-BC201549  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1939-4-8 2505 Napa Howell Mt. 1 mi. s.w. of Pac. Union College Comment
  CAS-BOT-BC201555  Lupinus albifrons var. albifrons Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  CAS-BOT-BC201557  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-15 1751 Napa Wooden Valley Grade, above Napa 457 Comment
  UCD161306  Lupinus bicolor Jake Ruygt 1979-4-6 480 Napa 0.3 miles east of Butts Canyon Road on Snell Valley Road. (Coordinates estimated by label maker at UC Davis). 188 Comment
  UCD48964  Lupinus bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 1 Napa Quail Ridge UC Reserve, northern top of ridge, alongside lower road leading to power lines, just N of intersection with East and West roads. 335 Comment
  UC1300888  Lupinus bicolor Helen K. Sharsmith 1963-4-20 5330 Napa off Kelly Road 4 mi s Napa; San Francisco Bay Region, s of Napa 45 Comment
  OBI25607  Lupinus chamissonis R. L. Hoover 1968-4-11 20 Napa One block W of hwy 1 on Palm Ave, Marina Comment
  UC15867  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa near Camp 64, Napa Valley; Napa Valley, near Camp 64; Fields near Camp 64 (modern Yountville) fide FB Comment
  POM10765  Lupinus latifolius subsp. latifolius C. F. Baker 1903-4-20 2623 Napa Mt. St. Helena. Comment
  JEPS65285  Lupinus latifolius var. latifolius Willis L. Jepson 1893-4-24 26 t Napa hills e St. Helena; Napa River Basin, hills e of St. Helena Comment
  JEPS107219  Lupinus microcarpus var. densiflorus Jake Ruygt 1986-4-20 1715 Napa HWY 29 north of Oakville 42 Comment
  JEPS65097  Lupinus microcarpus var. densiflorus W. L. Jepson 1920-5-25 9049 Napa Zem-Zem Comment
  OBI48334  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  SEINET239733  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa Steep roadside of redrock shale CA 128 E 7.2 mi E jct. Ca 121 2.9 mi W Monticello Dam Lake Berryessa 274 Comment
  UCD47992  Lupinus microcarpus var. microcarpus Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 21 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CDA11320  Lupinus nanus G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12026 Napa UC Quail Ridge Reserve, at entrance gate. Comment
  JEPS107245  Lupinus nanus Jake Ruygt 1980-3-30 821 a Napa St.Helena High School 70 Comment
  JEPS65397  Lupinus nanus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UC156988  Lupinus nanus Joseph P. Tracy 1903-5-15 1847 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD48958  Lupinus nanus A. Van Houtte; E. Leger and C. Hohn 2001-4-14 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., N of jct with Cut-Off Rd., near ruined cabins. 152 Comment
  JEPS65366  Lupinus nanus W. L. Jepson 1900-3-10 536 Napa Howell Mt.; Howell Mt., Crystal Springs Comment
  JEPS107242  Lupinus sericatus Jake Ruygt 1997-4-26 3835 Napa between Bismark Knob and Mt. Veeder (school site) 560 Comment
  UC16013  Lupinus sericatus Willis L. Jepson 1896-2-22 Napa Howell Mt. beyond Angwin's Howell Mt.; Howell Mt. beyond Angwin's Comment
  UC1745944  Lupinus sericatus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2776 a Napa Headwaters of Moore Creek, Las Posadas State Forest. 3-4 mi. E of Angwin. 518 Comment
  UC527962  Lupinus sericatus R. Bacigalupi, R. S. Ferris, and I. L. Wiggins 1933-6-2 6666 Napa on road to Aetna Springs 3 mi n Pacific Union College (on Howell Mt.); n of Pacific Union College (on Howell Mt.) 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
  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
  UCD109604  Lupinus succulentus Freed W. Hoffman 1947-4-7 662 Napa North Coast Ranges, confluence of Bucksnort and Putah creeks, Hennessy Ranch. Comment
  SEINET10490989  Lupinus succulentus var. succulentus J. C. Downey 1955-4-23 Downey 216 Napa Collected 4 mi e of rutherford. Eggs. Comment
  RSA699930  Luzula campestris Keith E. Hoffmaster 1946-3-23 1080 Napa Napa range, near summit of Napa-Monticello road. Comment
  SEINET11790127  Luzula comosa C. W. Sharsmith 1935-1 s.n. Napa no further locality Comment
  UCD167050  Luzula comosa var. comosa Jake Ruygt 1990-4-28 2512 Napa Bear Valley. 615 Comment
  JEPS67170  Luzula macrantha W. L. Jepson 1894-5-1 2 a Napa Upper Conn Valley Comment
  UC183778  Luzula macrantha Joseph P. Tracy 1902-5-21 1604 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's 457 Comment
  JEPS45950  Lythrum hyssopifolia Willis L. Jepson 1893-6-26 14093 Napa below New Eden (grade to Howell Mountain, Napa River Basin); Napa River Basin Comment
  CAS-BOT-BC343833  Madia elegans Alice Eastwood 1918-9-3 7966 Napa Calistoga Comment
  JEPS106545  Madia elegans Jake Ruygt 1979-7-28 782 Napa corner of Adams St. and HWY 29,Yountvill 36 Comment
  UC1544800  Madia elegans Almut G. Jones 1986-8-23 7253 Napa near Calistoga Comment
  UCD63156  Madia elegans Jake Ruygt 1987-7-11 2069 Napa Robert Louis Stevenson State Park near HWY 29. 694 Comment
  UCD21540  Madia exigua B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 5 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  CAS-BOT-BC344445  Madia exigua David D. Keck 1933-5-28 2327 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  CAS-BOT-BC344449  Madia exigua J. Clausen 1935-5-22 1070 Napa One mile east of Chiles Valley Store Comment
  JEPS6135  Madia exigua W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  CAS-BOT-BC343197  Madia gracilis Peter H. Raven 1952-5-31 4139 Napa Summit of hills sw. of Rector Canyon 304 Comment
  JEPS40218  Madia gracilis W. L. Jepson 1893-5-8 Napa New Eden Howell Mt. Comment
  UCD161292  Madia gracilis Jake Ruygt 1978-5-14 314 Napa 0.6 miles north of Oakville Cross Road on Silverado Trail. (Coordinates estimated by label maker at UC Davis). 60 Comment
  CAS-BOT-BC343195  Madia gracilis John Thomas Howell 1933-6-4 11385 Napa Hills east of Napa Comment
  POM298345  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  CAS-BOT-BC345050  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  CAS-BOT-BC539355  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Hwy 29 near Paoli Loop Road, American Canyon 19 Comment
  JEPS122720  Malacothamnus fremontii Jake Ruygt 1986-7-5 1858 Napa Berryessa-Knoxville Road at mile 24.45. Quad: Knoxville. Comment
  RSA434859  Malacothamnus helleri Peter H. Raven 1965-5-15 20205 Napa On divide between Zim Zim Creek and Nevada Creek, 5 miles SSE of Knoxville 396 Comment
  UCD37682  Malacothrix Beecher Crampton 1961-6-12 5899 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. 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
  UCD69017  Malacothrix floccifera P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  JEPS122723  Malvella leprosa Jake Ruygt 1992-9-5 3147 Napa Highway 29 at intersection with Highway 12. Quad: Cuttings Wharf. Comment
  UC28925  Marah fabacea Willis L. Jepson 1893-4-27 Napa Napa City Napa River Basin Comment
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  UC979351  Marah oregana Roxana S. Ferris 1951-3-26 12420 Napa about 2 mi from Oakville (Oakville-Glen Ellen Road) Comment
  UCD35297  Medicago praecox Beecher Crampton 1955-4-7 2424 Napa Napa County; 7.8 miles north of Monticello. Comment
  CAS-BOT-BC269415  Melica californica California Academy of Sciences 1870-5-2 s.n. Napa Oakville Comment
  HSC43991  Melica californica Robert M. Specht 1977-4-19 686 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD41416  Melica californica Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 129 Napa California, Napa County, McLaughlin UC Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, side of road. 487 Comment
  UCD86443  Melica californica Beecher Crampton 1956-5-25 3465 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  CHSC60172  Melica geyeri T. B. Devine 1980-4-12 697 Napa On Hwy. 29 ca 4 1/2 mi. sw of Robert Louis Stevenses State Park. Comment
  JEPS122952  Melica geyeri Jake Ruygt 1986-5-10 1764 Napa Devil's Canyon. Quad: Mt. Sonoma. Comment
  SEINET10959851  Melica geyeri var. aristulata Prouty 1980-4-12 PROUTY 862 Napa Roadbank of Hyw 29 ca. 4.5 mi sw of summit at R.L. Stevenson State Park. Mixed evergreen Forest. T9N, R7W, Sec. 23. 800 Comment
  UCD73403  Melica imperfecta Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC264215  Melica torreyana Peter H. Raven 1952-5-31 4146 Napa Summit of hills sw of Rector Canyon 304 Comment
  CAS-BOT-BC264217  Melica torreyana Peter H. Raven 1964-5-9 19074 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC264219  Melica torreyana Carl B. Wolf 1928-5-3 1812 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS122945  Melica torreyana Jake Ruygt 1984-4-7 1525 Napa Cedar Roughs, Pope Creek. Quad: Walter Springs. Comment
  RSA10676  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD89194  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  JEPS129138  Melilotus indicus Jake Ruygt 1977-5-10 221 Napa Southwest corner of Suscol Avenue and Trancas Street. Napa 7.5' Quad. Comment
  JEPS115749  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters 134 Comment
  RSA92938  Mentha canadensis Peter H. Raven 1952-9-14 5178 Napa Conn Cree E of Yountville Comment
  CHSC103009  Mentha pulegium Lowell Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD149586  Mentha pulegium Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  JEPS112571  Mentzelia laevicaulis var. laevicaulis Jake Ruygt 1997-7-5 3870 Napa White Cliff Springs east of Soda Valley Comment
  CAS-BOT-BC428854  Micranthes californica C. B. Wolf 1928-2-25 1496 Napa Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  UCD102804  Micranthes californica H. H. Dickinson 1950-4-1 16 Napa Putah Canyon, near Monticello. Comment
  UCD102815  Micranthes californica P. B. Kaufman 1950-4-1 20 Napa Vaca Mountain range, Putah Canyon. Comment
  UCD102837  Micranthes californica G. L. Webster 1967-3-23 7498 Napa Between Wragg Canyon and Markley Canyon, c. 5 miles SW Monticello Dam. 396 Comment
  UCD164762  Micranthes californica Jake Ruygt 2014-4-7 5920 Napa Sutro Ranch, south end near Foss. 519 Comment
  UCD170200  Micranthes californica Daniel Potter 2015-3-14 757 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 241 Comment
  CAS-BOT-BC322616  Micropus amphibolus John H. Thomas 1959-4-19 7111 Napa About 2 miles SW of Oakville 152 Comment
  SFV4057  Micropus californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek, about 0.5 miles west of Devilhead Road and about 3 miles south southwest of Knoxville. Comment
  CAS-BOT-BC348542  Micropus californicus var. californicus John H. Thomas 1955-5-21 5166 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  CAS-BOT-BC348546  Micropus californicus var. californicus L. S. Rose 1927-5-28 s.n. Napa Napa Valley Comment
  UC164798  Micropus californicus var. californicus Joseph P. Tracy 1902-5-26 1636 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UC50011  Microseris acuminata Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  POM203302  Microseris douglasii subsp. douglasii J. T. Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CDA11431  Mimulus angustatus G. F. Hrusa, M. Tu 1995-5-6 12154 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  JEPS4734  Mimulus angustatus E. V. Ferguson 1920-5-15 351 Napa Howell Mountain Comment
  UC1103335  Mimulus angustatus J. P. Tracy 1902-5-19 1557 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UCD117944  Mimulus angustatus Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Just northeast of the fire station about 0.1 mile down undeveloped road. Northwest side of road. 518 Comment
  JEPS11341  Mimulus arvensis Willis L. Jepson 1893-4-26 12 m Napa Yountville Napa River Basin Comment
  UCD122256  Mimulus aurantiacus Bill Wengeler 1995-4-16 s.n. Napa Highway 128, approximately 0.2 miles west of Monticello Dam. 158 Comment
  UCD159948  Mimulus aurantiacus 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
  UCD48234  Mimulus aurantiacus J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 14 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  HSC45331  Mimulus aurantiacus var. aurantiacus R. York 1978-4-8 104 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  RSA52723  Mimulus aurantiacus var. aurantiacus I. L. Wiggins 1949-4-30 12077 Napa hillsides along old toll road between Calistoga and Middleton, about 1.5 mi from Calistoga Comment
  JEPS110748  Mimulus cardinalis Jake Ruygt 1979-6-28 723 Napa Milliken Canyon, south wall 121 Comment
  UC1239053  Mimulus cardinalis Freed W. Hoffman 1946-8-20 848 Napa Conn Dam North Coast Ranges Comment
  JEPS110613  Mimulus congdonii Jake Ruygt 2001-3-17 4295 Napa Putah Creek near Berryessa Estates 182 Comment
  UC125330  Mimulus congdonii unknown Napa Howell Mountain Comment
  UCD21541  Mimulus douglasii B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 7 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS10573  Mimulus douglasii Willis L. Jepson 1893-3-13 60 m Napa hills e St. Helena; Napa River Basin, Howell Mt. foothills Comment
  CDA41801  Mimulus guttatus Rachel Curtis 1995-5-6 14 Napa Approximately 7.0 miles east of Silverado Trail Rd. Comment
  UC26858  Mimulus guttatus Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  RSA309180  Mimulus guttatus W. L. Jepson 1893-5-1 13 Napa Calistoga. Comment
  RSA50066  Mimulus guttatus G. R. Campbell 1948-6-18 656 Napa 5 miles north of Calistoga on road from Middleton. Comment
  RSA523897  Mimulus guttatus W. L. Jepson 1893-5-8 10 Napa Howell Mountain, La Galea Plateau. Napa River Basin. Comment
  SEINET7057278  Mimulus guttatus Christopher T. Ivey 2003-11-29 363 Napa Specimen grown in greenhouse from wild-collected seed. Population occured along sream margin in the Snell Valley Nature Preserve, 2.2 mile east of Pope Valley Road on Snell Valley Road. Comment
  UC27065  Mimulus inodorus Willis L. Jepson 1895-11-26 Napa Angwin's Meadow Napa River Basin Comment
  JEPS9263  Mimulus latidens Willis L. Jepson 1893-4-27 31 m Napa Napa Napa River Basin, Lower Napa Valley Comment
  JEPS110609  Mimulus layneae Jake Ruygt 1980-6-17 921 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 640 Comment
  UCD63858  Mimulus layneae Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UC963877  Mimulus layneae Milo S. Baker 1947-7-7 11849 Napa s Mt. St. Helena Inn (at end of wood rd.) 914 Comment
  UC103794  Mimulus microphyllus C. F. Baker 1903-4-19 1980 Napa Calistoga Comment
  JEPS11352  Mimulus nasutus Willis L. Jepson 1893-5-1 6 m Napa w Calistoga; Napa River Basin Comment
  UC725781  Mimulus nasutus A. A. Heller 1940-4-22 15545 Napa Knight's Valley Comment
Read comments
Jun 25 2013
  JEPS110598  Mimulus nudatus Jake Ruygt 1991-5-25 2693 a Napa Paradise Valley 280 Comment
  SFV3393  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley. About 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  UCD122791  Mimulus nudatus S. E. Schoenig 1998-6-3 98- 19 Napa 200 m W of Knoxville-Beryyessa Rd., 2 mi. S of Homestake mine. 426 Comment
  JEPS110596  Mimulus pilosus Jake Ruygt 1992-6-11 3026 Napa south of Mitten lake, Wild Horse Valley Ranch 438 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
  UC1196779  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, on La Jota Plateau); Howell Mountain, La Jota Plateau 518 Comment
  JEPS4668  Mimulus pulsiferae W. L. Jepson 1893-5-8 59 m Napa near La Jota Falls; Howell Mt., La Jota Plateau Comment
  JEPS22493  Minuartia californica Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UC1301217  Minuartia californica Helen K. Sharsmith 1963-3-17 5225 Napa Mt. Atlas San Francisco Bay Region (s side) 609 Comment
  UCD98253  Minuartia californica R. F. Denno 1967-4-15 45 Napa on Lower Chiles Valley Road, 3/4 mile northwest of State Highway 128. 228 Comment
  CAS-BOT-BC467196  Minuartia californica L. R. Abrams 1928-5-3 12222 Napa St. Helena Grade Comment
  UC1198337  Minuartia californica Joseph P. Tracy 1935-3-19 13766 Napa on Knight's Valley Rd nw Calistoga (near Napa-Sonoma county line) 213 Comment
  SEINET7075537  Minuartia douglasii A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCSB1839  Minuartia douglasii Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek; about 3 miles east of Chiles Valley 304 Comment
  CAS-BOT-BC388761  Minuartia douglasii R. C. Barneby 1954-4-30 11231 Napa Conn Valley, near the slipway 91 Comment
  UC1300957  Minuartia douglasii Helen K. Sharsmith 1963-4-20 5349 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of Range) 152 Comment
  CAS-BOT-BC220614  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  SEINET4173667 Image available Monardella villosa Jack Major 1961-6-13 545 Napa Monticello Dam, State Hwy 128 Comment
  UCD166668  Monardella villosa subsp. villosa Jake Ruygt 1992-6-24 3056 Napa Tuteur Ranch, end of Green Valley Rd. 292 Comment
  CAS-BOT-BC220691  Monardella viridis John Thomas Howell 1930-7-13 5360 Napa On the edge of the Crater Country Comment
  UC1995310  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon Napa Range Comment
  UC292738  Monardella viridis W. L. Jepson 1894-10-13 Napa Cam Valley Cam <Conn> Valley (hillsides) Comment
  JEPS110826  Monardella viridis subsp. viridis Jake Ruygt 1979-7-21 755 Napa 1 mile SW of College Ave. on Howell Mtn Road 463 Comment
  JEPS110828  Monardella viridis subsp. viridis Jake Ruygt 1979-7-3 733 Napa north of Mt. George on Wild Horse Ranch north access road 408 Comment
  UCR212282  Monardella viridis subsp. viridis Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  JEPS112660  Montia fontana Jake Ruygt 1979-4-11 500 Napa 1.3 miles east of Soscol Avenue on Imola Avenue 36 Comment
  CAS-BOT-BC444850  Montia fontana G. DeNevers 1982-3-21 1940 B Napa Napa Range Mt. Along Atlas Peak Road Comment
  UC1198225  Muilla maritima Joseph P. Tracy 1949-4-24 18289 Napa Myrtledale Hot Springs Calistoga 152 Comment
  JEPS75633  Nassella cernua W. L. Jepson 1936-5-28 17540 Napa Adam-and-Eve Ridge Howell Mt. Comment
  CAS-BOT-BC260182  Nassella pulchra David D. Keck 1931-4-2 1033 Napa Wooden Valley Road, E side of Napa Range, 8 miles from Napa Comment
  UC70997  Nassella pulchra Joseph Burtt Davy Apr. 1902 Napa St. Helena Comment
  UCD18148  Nassella pulchra Jean Shepard; with PLB 102 class 2000-4-29 203 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC60335  Nasturtium officinale E. Ruckert 1960-5-8 145 Napa 6495 Dry Creek Road. Few feet from gate spring, in overflow stream. 365 Comment
  HSC58998  Navarretia cotulifolia Tim Excell 1975-5-21 119 Napa Near Pope Creek, close to the town of Pope Valley 183 Comment
  UCD167174  Navarretia divaricata subsp. vividior Jake Ruygt 1986-5-24 1788 Napa Table Mountain. 731 Comment
  UCD167175  Navarretia divaricata subsp. vividior Jake Ruygt 2006-7-3 5066 Napa Mead Ranch on 'Old Wagon' trail. 472 Comment
  JEPS15003  Navarretia heterodoxa John Thomas Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  UCD167182  Navarretia intertexta subsp. intertexta Jake Ruygt 1989-6-17 2373 Napa Bear Valley. 633 Comment
  CAS-BOT-BC230322  Navarretia jepsonii Peter H. Raven 1950-6-20 2404 Napa Above Aetna Springs, Pope Valley Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UC908883  Navarretia mellita Herbert L. Mason 1935-5-30 Napa ridge between Lower Lake and Knoxville (Napa and Lake counties) Comment
  CAS-BOT-BC232668  Navarretia pubescens R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6669 Napa 6 miles NE of Pacific Union College (Howell Mountain) on road to Aetna Springs Comment
  UC1051755  Navarretia pubescens Helen K. Sharsmith 1953-6-15 4184 Napa se slope Capell Valley (just w of junction of Capell Valley and Monticello roads); Inner North Coast Ranges, Capell Valley 274 Comment
  POM261444  Navarretia pubescens Thos. Howell 1937-5-23 s.n. Napa Palisades. Comment
  SEINET14160487  Navarretia pubescens B. Crampton 1953-5-19 1309 Napa 4 miles south of Monticello, along Highway 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
  JEPS83636  Navarretia rosulata R. Raiche 1987-5-23 70198 Napa W of Lake Berryessa, Cedar Roughs, headwaters of Hardin Creek, SW of Gilliam Spring, top of ridge, 640 Comment
  UC1220970  Navarretia squarrosa Beecher Crampton 1962-10-9 6695 Napa 1.25 mi sw Angwin (Howell Mtn Road, along Conn Creek); Conn Creek Comment
  JEPS110945  Navarretia tagetina Jake Ruygt 1986-5-24 1784 Napa Butts Canyon Rd. at Ink Grade 237 Comment
  JEPS70499  Navarretia viscidula W. L. Jepson 1938-9-22 19015 Napa near Sanitarium (in Lyons Valley, in lower slopes of Howell Mt.); Howell Mt., Lyons Valley Comment
  SEINET10464791  Nemacladus capillaris Chisaki 1957-5-30 CHISAKI 971 Napa By Soda Creek, between Chiles Valley and Monticello Comment
  JEPS1208  Nemacladus montanus Freed Hoffman 1952-5-24 Napa 8.3 mi w junction of Monticello, Sage Canyon and Winters roads (Sage Canyon road) Comment
  RSA492511  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  RSA60779  Nemophila heterophylla L. R. Abrams 1928-5-3 12235 Napa Summit St. Helena Grade 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
  UC131501  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena Comment
  UCD120062  Nemophila heterophylla G. L. Webster 1967-3-23 7488 Napa Along Chiles Creek c. 1 mi SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  UCD120070  Nemophila heterophylla M. Wiesendanger 1928-4-5 857 Napa Monticello-Napa Rd. Comment
  UCD169883  Nemophila heterophylla Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 722 Napa Knoxville Wildlife Area. 238 Comment
  UCD37576  Nemophila heterophylla Beecher Crampton 1955-4-7 2452 Napa Napa County, at border with Solano and Yolo Counties, 7 miles west of Winters, 0.25 mile west of Recreation Beach of Putah Creek, Vaca Mountains, east facing slope of Cold Canyon. Comment
  UCD48047  Nemophila heterophylla M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 5 Napa McLaughlin UC Reserve. SW of town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UC126919  Nemophila menziesii H. P. Chandler 1906-4-17 6077 Napa Comment
  UCD120234  Nemophila menziesii Michael A. Vincent; Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80. Comment
  UCD149685  Nemophila menziesii Stephen P. Rae; Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCR267439  Nemophila menziesii Stephen P. Rae, Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, c. 1 km west of Anguin; McCrane property 526 Comment
  UCD120235  Nemophila menziesii M. Wiesendanger 1928-4-5 853 Napa Monticello. Comment
  UCD166682  Nemophila menziesii var. atomaria Jake Ruygt 1977-3-14 153 Napa Soda Canyon Road, 2.2 miles north of Silverado Trail. 137 Comment
  JEPS110847  Nemophila menziesii var. menziesii Jake Ruygt 1982-2-16 1101 Napa .3 mile north of Chimney Golf Course on Silverado Trail 20 Comment
  RSA201829  Nemophila menziesii var. menziesii Gary W. Elmstrom 1965-3-19 8 Napa Open meadow along Dollarhide Road, 3.5 miles east of Pope Valley. Comment
  JEPS110843  Nemophila menziesii var. menziesii Jake Ruygt 1997-3-18 3912 Napa Conn Valley Road, 4 mi E from Silverado Trail 103 Comment
  RSA195363  Nemophila menziesii var. menziesii Gilbert Muth 1967-3-5 534 Napa Snell Valley. 213 Comment
  JEPS110840  Nemophila parviflora var. parviflora Jake Ruygt 1980-3-30 822 Napa Van Ness Canyon 609 Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  SD58461  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-11-2 503 Napa South end of Conn Creek Road at the bridge over Conn Creek, Conn Valley Comment
  JEPS12384  Nicotiana quadrivalvis W. L. Jepson 1922-10-22 9838 Napa near mouth of Conn Creek; Napa Valley Comment
  UCD19932  Nicotiana quadrivalvis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 790 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD164770  Odontostomum hartwegii Jake Ruygt 2014-5-19 5941 Napa Sutro Ranch, Atlas Peak. 472 Comment
  SEINET12332381  Odontostomum hartwegii A. Liston, Meury, S. 1988-1 755 -1 Napa Bothe - Napa Valley State Park, campground site 21 150 Comment
  CAS-BOT-BC140166  Oemleria cerasiformis Alice Eastwood 1922-5-5 11294 Napa Mt. St. Helena Comment
  UCD132729  Olea europaea Ramona Robison 2012-4-26 s.n. Napa Bale Gristmill State Historic Park, Near parking area and around historic mill. 121 Comment
  UCR23341  Onychium densum John C. Roos 1938-12-10 286 Napa North Coast Range, Blake's Canyon, Pacific Union College, Angwin Comment
  UCD167256  Orobanche fasciculata Jake Ruygt 1992-5-12 2955 Napa Tuteur Ranch, NE of reservoir on Spencer Creek. 249 Comment
  UCD167257  Orobanche fasciculata Jake Ruygt 1994-4-26 3358 Napa Ridge in Pope Valley (Juliana Vineyard); north of Barnett Road. 256 Comment
  JEPS120331  Orobanche uniflora Jake Ruygt 2005-5-11 4830 Napa Cub Valley, south of Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UCR23528  Orobanche uniflora John C. Roos 1939-5-6 293 Napa Napa Range, (near Angwin?) Comment
  CAS-BOT-BC243698  Orobanche valida subsp. howellii Alice A. Ackley 1964-8-1 s.n. Napa Mt. St. Helena Comment
  RSA202268  Orthocarpus faucibarbatus L. D. Thurman 1964-4-15 392 Napa 5 miles north of Napa on Silverado trail. Comment
  RSA293054  Orthocarpus faucibarbatus Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 728 Napa 6 miles north of S. Helena on the State Hwy 128. Comment
  JEPS15925  Osmorhiza berteroi W. L. Jepson 1893-4-25 14256 Napa hills w St. Helena; Napa Valley Comment
  UC1177078  Oxalis articulata subsp. rubra Peter H. Raven 1951-5-6 2832 Napa St. Helena 91 Comment
  JEPS122756  Oxalis incarnata Jake Ruygt 2003-5-17 4530 Napa Sarco Creek, SW corner of Foote Mt. George Preserve. Quad: Mt. George. Comment
  UCD160342  Oxalis oregana Nellie Coffey 1931-2-1 s.n. Napa Chiles Valley. Comment
  UCD134745  Packera clevelandii Robert E. Preston 1987-6-18 565 Napa 1.4 mile northeast of Big Basin. 414 Comment
  HSC38131  Packera eurycephala Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi. E of Lake Co. line Comment
  SD52970  Packera eurycephala Peter H. Raven 1962-5-31 17919 Napa by stream in serpentine on Lower Lake- Knoxville road, 1.9 miles south of Lake County line. Comment
  JEPS37193  Packera eurycephala var. eurycephala W. L. Jepson 1920-5-25 9045 Napa Knoxville Ridge, ne Napa County Knoxville Ridge 670 Comment
  UC1328136  Packera greenei Donald V. Hemphill 1941-5-15 162 Napa 2 mi se Angwin; Blakes Canyon 426 Comment
  UCD160746  Packera greenei Ellen Dean 2015-5-23 8798 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
  JEPS23636  Packera greenei R. H. Platt 1915-5-1 Napa Capell Canyon Napa Mts. 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
  UC571849  Parvisedum pumilum H. L. Mason 1935-5-5 3645 Napa 3 mi s of Napa City Comment
  UC830991  Parvisedum pumilum John Thomas Howell 1939-5-7 14656 Napa Napa Comment
  UCD118118  Pectocarya pusilla Megan Mateo; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on south side of road. 518 Comment
  UCD74366  Pectocarya pusilla Jake Ruygt 1981-4-18 978 Napa Harris Canyon west of Blue Ridge. 243 Comment
  CAS-BOT-BC488326  Pedicularis densiflora Alice Eastwood 1922-3-25 11097 Napa Calistoga Comment
  CAS-BOT-BC71377  Pellaea mucronata John H. Thomas 1958-4-19 7112 Napa About 2 miles SW of Oakville 152 Comment
  JEPS116555  Pellaea mucronata Jake Ruygt 2006-4-18 4992 Napa Bell Canyon, east side of Creek. Saint Helena 7.5' Quad. Comment
  HSC43907  Penstemon heterophyllus Robert M. Specht 1977-5-14 894 Napa At junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  UCD40894  Penstemon heterophyllus Katherine Countrey 1983-5-29 20 Napa On Berryessa-Knoxville Rd. 3 miles northwest of Knoxville. 304 Comment
  CAS-BOT-BC245715  Penstemon newberryi var. sonomensis Belle R. Jackson 1930-6-20 s.n. Napa At the monument, summit of Mt. St. Helena Comment
Read comments
Jan 13 2018
  CAS-BOT-BC245719  Penstemon newberryi var. sonomensis L. R. Abrams 1928-5-4 12259 Napa Mt. St. Helena trail near Stevenson's monument Comment
  JEPS85717  Penstemon newberryi var. sonomensis E. Ferguson 1920-5-15 354 Napa Mount St. Helena, Silverado Mine Silverado Mine; Mount St. Helena, Silverado Mine Comment
  CAS-BOT-BC245717  Penstemon newberryi var. sonomensis H. E. McMinn 1922-3-27 52 Napa From fop of Mt. St. Helena Comment
  UC165062  Pentachaeta exilis J. P. Tracy 1902-5-15 1449 Napa 3-4 mi e Angwin's (head of Morre's Creek); Howell Mountain 426 Comment
  JEPS103986  Pentagramma triangularis subsp. triangularis Jake Ruygt 1997-3-18 3804 Napa Greenfield Road 207 Comment
  UCD48366  Pentagramma triangularis subsp. triangularis S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD161320  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1979-7-21 756 Napa 0.9 miles east of Cold Springs Road on Los Posados Road. (Coordinates estimated by label maker at UC Davis). 521 Comment
  JEPS12439  Perideridia kelloggii W. L. Jepson 1915-4-23 6252 Napa Conn Valley Napa Range Comment
  UC1312889  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3784 Napa Pope Canyon road 3 mi ne Pope Valley road (w of Lake Berryessa) 182 Comment
  CHSC102519  Persicaria punctata Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCR45092  Phacelia corymbosa L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-BC134011  Phacelia distans John H. Thomas 1955-5-21 5113 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UC1277977  Phacelia distans B. Crampton 1957-4-15 3934 Napa Capell Valley Comment
  UC672424  Phacelia distans Herbert L. Mason 1926-3-14 2724 Napa sw slope Mt. St. Helena Comment
  JEPS78806  Phacelia egena John W. Willoughby 1976-5-18 1688 Napa w side of ridge near top Vaca Mountains (latitude approx. that of Mt. Vaca) 762 Comment
  JEPS78807  Phacelia egena John W. Willoughby 1977-4-27 2268 Napa s side of State Hwy 128 very near Monticello Dam; Vaca Mountains Comment
  RSA10669  Phacelia egena Carl B. Wolf 1928-5-3 1820 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD169611  Phacelia heterophylla subsp. virgata 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
  JEPS2164  Phacelia imbricata W. L. Jepson 1938-5-18 18797 Napa Howell Mtn. Napa Range Comment
  UC1301154  Phacelia imbricata Helen K. Sharsmith 1963-3-17 5236 Napa hillsides along Silverado Trail San Francisco Bay Region 76 Comment
  UC735110  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3047 Napa near Mount St. Helena Inn (se slope of mt.); Mount St. Helena Comment
  UCD148845  Phacelia imbricata subsp. imbricata Ellen Dean; Diana Hickson 2014-4-29 8148 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  RSA170281  Phacelia imbricata subsp. imbricata W. L. Jepson 1936-6-1 17599 Napa Lower slopes of Howell Mountain, Napa Range, near Sanitarium. Comment
  JEPS126045  Phacelia suaveolens var. suaveolens Jake Ruygt 1989-5-13 2323 Napa Vaca Mount about 1 mile north of Mt. Vaca. Mount Vaca 7.5' Quad. Comment
  UCD48041  Phacelia tanacetifolia M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 2 Napa McLaughlin UC Reserve. SW of old town of Knoxville on N side of Knoxville-Berryessa Rd. 426 Comment
  UC187260  Phalaris caroliniana Joseph P. Tracy 1903-5-15 1851 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 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
  SACT001723  Phalaris paradoxa M. Wiesendanger 1927-5-4 Napa Comment
  UCD102037  Phoradendron bolleanum O. A. Leonard 1962-3-9 s.n. Napa Near Napa-Lake County line, 4 miles northwest of Knoxville on road to Lower Lake. 640 Comment
  UCD48242  Phoradendron bolleanum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 6 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  JEPS110812  Phoradendron densum Jake Ruygt 1984-6-30 1580 Napa Cedar Roughs near top 633 Comment
  RSA92800  Phoradendron densum Peter H. Raven 1951-10-28 3959 Napa Knoxville. 457 Comment
  SD107789  Phyla nodiflora C. W. Tilforth, John Dourley 1979-7-22 1858 Napa small canyon above stream, 0.4 mi. south of Park Hdqrs, west side of Lake Berryesa 136 Comment
  UCD167239  Phytolacca americana Jake Ruygt 1992-8-6 3118 Napa Yountville Ecological Reserve, Yountville Cross Road. 25 Comment
  SEINET2056445 Image available Pickeringia montana M. F. Wojciechowski 2000-5-27 895 Napa Cache Creek area north of Lake Barryessa. Comment
  UCD108174  Pickeringia montana Andreas Stohr 1996-4-27 32 Napa Along Road 128. 270 Comment
  UC17042  Pickeringia montana var. montana Willis L. Jepson 1896-2-23 Napa La Jota Falls Napa River Basin, Howell Mt. Comment
  UCD169867  Pickeringia montana var. montana Daniel Potter; Peter Lash 2015-4-26 802 Napa Knoxville Wildlife Area. East of upper Zim Zim drainage. 454 Comment
  RSA10627  Pinus attenuata C. B. Wolf 1928-5-4 1864 Napa Upper slopes of Mount St. Helena Comment
  RSA15670  Pinus attenuata C. B. Wolf 1928-2-25 1501 Napa Mt. St. Helena 1 mile beyond summit on road to Middletown. Comment
  UCD133139  Pinus attenuata Beecher Crampton 1962-5-16 6431 Napa 0.5 mile W of Aetna Springs. Comment
  SEINET11737237  Pinus attenuata Unknown 1944-1 s.n. Napa Calastoga Comment
  UCD74369  Plagiobothrys bracteatus Jake Ruygt 2000-5-17 4254 b Napa di Rosa Preserve, Hwy. 12, northwest of Duhig Rd. 79 Comment
  UCD74379  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 mile south of Pope Canyon Road on Hardin Road. 183 Comment
  JEPS106767  Plagiobothrys greenei Jake Ruygt 1980-4-22 837 Napa .5 miles west of Pope Valley Rd. on Barnett Rd. 201 Comment
  UCD164866  Plagiobothrys greenei Jake Ruygt 2012-4-21 5826 Napa Crystal Flats, west of Putah Creek. 259 Comment
  JEPS106763  Plagiobothrys nothofulvus Jake Ruygt 1984-3-31 1521 Napa Devil's Canyon 384 Comment
  UCD170835  Plagiobothrys nothofulvus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 166 Comment
  UC1301088  Plagiobothrys nothofulvus Helen K. Sharsmith 1963-4-20 5345 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of range) 152 Comment
  UCD120926  Plagiobothrys nothofulvus J. M. Tucker; C. H. Lamoureux and June McCaskill 1957-4-7 3290 Napa Beside 'Silverado Trail', ca. 7.5 miles north of St. Helena, east side of Napa Valley. Comment
  UCD161690  Plagiobothrys nothofulvus Jake Ruygt 2010-3-9 5482 Napa Lovell Valley Loop Road about 0.5 mile south of Napa / Sonoma line. 185 Comment
  UCD74376  Plagiobothrys nothofulvus Jake Ruygt 1983-3-26 1393 Napa 0.5 mile south of Sage Canyon Rd. on Silverado Trail. 76 Comment
  UC1301092  Plagiobothrys stipitatus var. micranthus Helen K. Sharsmith 1963-4-20 5328 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  CAS-BOT-BC228491  Plagiobothrys strictus John Thomas Howell 1926-3-28 1778 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS24592  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Napa Valley, Calistoga Hot Springs Comment
  JEPS24609  Plagiobothrys strictus Willis L. Jepson 1893-5-9 21183 Napa near Calistoga; Napa River Basin Comment
  JEPS106760  Plagiobothrys tenellus Jake Ruygt 1986-4-20 1718 Napa The Palisades 755 Comment
  UCD74385  Plagiobothrys tenellus Jake Ruygt 1980-3-22 811 a Napa Ridge on north side of Snell Valley. 268 Comment
  OBI20606  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa On La Jota Plateau in Los Posadas state forest 518 Comment
  POM252890  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 0.5 mile NW of Knoxville. 610 Comment
  UC1746028  Plagiobothrys tener var. tener Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2768 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS110785  Plantago erecta Jake Ruygt 1982-4-3 1159 Napa .2 mile north of Loma Vista Rd. on Soda Canyon Rd. 73 Comment
  UCD69078  Plantago erecta P. Rodriguez-Rojo 1997-5-31 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  JEPS110758  Plantago subnuda Jake Ruygt 1982-7-6 1364 Napa American Canyon area, next canyon north 173 Comment
  CAS-BOT-BC91870  Platystemon californicus John Thomas Howell 1926-3-20 1691 Napa Near Calistoga. Comment
  JEPS110900  Plectritis brachystemon Jake Ruygt 1994-5-14 3370 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 487 Comment
  JEPS4816  Plectritis brachystemon Miss R. Kuhn 1912-5-28 Napa Oakville Comment
  JEPS6144  Plectritis ciliosa subsp. ciliosa Bacigalupi and Dempster 1954-5-10 4445 Napa road from Monticello to Rutherford (Highway 128, Canyon of Soda Creek); Soda Creek Comment
  UCD137533  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Monticello Dam, off State Highway 128. Comment
  UCD21506  Plectritis congesta subsp. brachystemon Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4408 Napa Quail Ridge Reserve. 243 Comment
  CDA10906  Plectritis macrocera G. F. Hrusa, M. Rejmanek 1993-5-15 11002 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS14270  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 B Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  JEPS14271  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 A Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  UCD137619  Plectritis macrocera M. R. Wanzer 1948-4-3 8 Napa Putah Canyon, 11 miles west of Winters. 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
  UCR30544  Pleuropogon californicus John C. Roos 1939-4-1 310 Napa Calistoga 111 Comment
  UCD90143  Pleuropogon californicus var. californicus Beecher Crampton 1962-5-8 6417 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UC184007  Poa howellii Joseph P. Tracy 1902-5-16 1510 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 335 Comment
  UCD148605  Poa kelloggii G. F. Hrusa; G. L. Stebbins 1994-4-18 11782 -A Napa along upper Swartz Creek north tributary. 213 Comment
  UC1254608  Poa napensis Beecher Crampton 1967-5-15 7938 Napa 2 mi. n. Calistoga (Myrtledale Hot Springs); Myrtledale Hot Springs Comment
  UCD91553  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Calistoga. Near the hot springs at the airport. Comment
  UCD91866  Poa pratensis Beecher Crampton 1953-6-2 1435 Napa along Hwy. 53, 8 miles south of Middletown. Comment
  JEPS76089  Poa secunda subsp. secunda W. L. Jepson 1938-5-24 18844 Napa plateau n of Four Corners (Howell Mt); Napa Range 762 Comment
  UC525664  Poa secunda subsp. secunda Joseph P. Tracy 1933-4-30 12118 Napa near Angwin Creek Howell Mt 457 Comment
  UCD92024  Poa secunda subsp. secunda E. W. Taylor 1932-4-1 s.n. Napa Entrance to Napa county traffic officers country club. 274 Comment
  UC1988909  Pogogyne douglasii John Thomas Howell 1929-5-30 4278 Napa 3 miles from Pope Valley on road to Pope Creek Canyon Comment
  UC1988913  Pogogyne douglasii John Thomas Howell 1929-8-4 4870 Napa three miles from Pope Valley Store on road to Pope Creek Canyon. Same locality as No. 4278 Comment
  RSA424574  Pogogyne douglasii E. S. Spalding 1924-7-7 s.n. Napa Near Calistoga. Comment
  UC153995  Pogogyne douglasii Joseph P. Tracy 1903-5-15 1863 Napa Napara Valley, near Calistoga 91 Comment
  UCD49103  Pogogyne serpylloides A. Collier; D. Caterson and S. Kenady 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  UCD98413  Polycarpon tetraphyllum Freed W. Hoffman 1946-8-20 1855 Napa Conn Reservoir. Comment
  UCD110455  Polygala Christopher Mallek 2008-1 KX1- 2 Napa Knoxville. 593 Comment
  UCR30826  Polygala californica John C. Roos 1939-4-18 313 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  JEPS110853  Polygonum amphibium var. emersum Jake Ruygt 1979-8-7 790 Napa .1 mile north of Yountville underpass on Yount St. 28 Comment
  JEPS50531  Polygonum amphibium var. emersum Willis L. Jepson 1894-11-8 Napa Napa City Napa River Basin Comment
  JEPS110850  Polygonum arenastrum Jake Ruygt 1989-7-18 2400 Napa Willis Drive, Napa 15 Comment
  RSA755361  Polygonum arenastrum L. Ahart 2009-10-12 16457 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  CAS-BOT-BC109160  Polygonum bolanderi Alice Eastwood 1915-6-6 4683 Napa Mount Saint Helena. Comment
  JEPS115683  Polygonum lapathifolium Lowell 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 130 Comment
  JEPS115743  Polygonum punctatum Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  RSA755360  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UC1562672  Polygonum punctatum Barbara Ertter with Elizabeth Neese 1988-10-2 7953 Napa on creek below spillway on N side of Rt. 128 (ca 15 air mi nnw of Napa); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  JEPS120417  Polygonum punctatum Jake Ruygt 2010-8-23 5734 Napa Bell Canyon Reservoir near dam. Comment
  UC56358  Polygonum punctatum Willis L. Jepson 1894-11-5 Napa near St. Helena; Napa River Basin Comment
  UC703049  Polygonum ramosissimum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf Napa River Comment
  RSA309338  Polypodium californicum Edward Lee, Annetta Carter 1935-12-1 1672 Napa Sarco Creek, Howell Mountains (road from Napa to Wooden Valley) Comment
  JEPS115747  Polypogon interruptus Lowell Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  RSA769221  Polypogon interruptus L. Ahart 2009-10-12 16466 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
  UCD169866  Polypogon monspeliensis Daniel Potter; Peter Lash 2015-4-26 801 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  CDA11615  Polystichum dudleyi G. F. Hrusa, G. L. Stebbins 1994-3-11 11613 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station. Comment
  RSA10644  Polystichum imbricans C. B. Wolf 1928-5-3 1846 Napa Summit of Mount St. Helena Grade, north of Calistoga. 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
  UCD73521  Potamogeton nodosus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS122748  Proboscidea lutea Jake Ruygt 2006-9-10 5100 Napa West side of Highway 29, south of Darms Lane. Quad: Napa. Comment
  UCD160569  Prosartes hookeri G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  CAS-BOT-BC158580  Prunus Alice Eastwood 1922-5-5 11295 Napa Mt. St. Helena Comment
  UC1198769  Prunus emarginata J. P. Tracy 1902-5-18 1530 Napa 3-4 mi e of Angwin's (head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 518 Comment
  JEPS110645  Prunus subcordata Jake Ruygt 1990-4-28 2513 Napa Bear Valley 615 Comment
  JEPS44925  Prunus virginiana var. demissa W. L. Jepson 1897-4-30 13841 Napa sw of Calistoga (Upper Napa Valley, Rebecca Ranch grade); Hoods Peak Range, Upper Napa Valley, Rebecca Ranch grade 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
  SEINET265709  Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  SEINET3221129 Image available Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS129114  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2015-5-6 6090 Napa East side of Highway 221, south of Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UC1111581  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1935-5-30 2837 Napa just s Napa State Hospital 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
  JEPS129136  Pteridium aquilinum var. pubescens Jake Ruygt 1979-6-9 679 Napa Spring Mountain Winery (Falconcrest). Saint Helena 7.5' Quad. Comment
  UCD167051  Pyrola picta Jake Ruygt 1990-5-19 2558 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29. 152 Comment
  CAS-BOT-BC362358  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  JEPS37946  Quercus W. L. Jepson 1916-8-6 6825 Napa Howell Mt. Comment
  UCR88371  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa Quail Ridge Reserve, near Lake Berryessa. 146 Comment
  UCSB64094  Quercus X townei Tucker, John; Stebbins, G. 1950-11-5 Napa Beside road up Howell Mountain, 5.6 mi. north of St. Helena Comment
  SACT002605  Quercus agrifolia John Willoughby 1976-5-18 Napa Not far below top latitude about that of Mount Vaca, with Pinus sabiniana. Note tufts of hair in vein islets. Comment
  UCD149563  Quercus agrifolia G. Ledyard Stebbins 1994-10-5 s.n. Napa Hennessey Lake. At the junction of Route 128 [and Chiles Pope Valley Road]. Comment
  UCD149599  Quercus agrifolia var. agrifolia 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
  UCD83392  Quercus agrifolia var. agrifolia Jake Ruygt 1990-4-8 2467 Napa Napa, Stonecrest Drive. 85 Comment
  SFV878  Quercus berberidifolia M. Shaw 1963-5-13 s. n. Napa North Coast Ranges Vaca Mountains. Below CA-Highway 128, 4 miles west of Monticello Dam. 120 Comment
  UC55941  Quercus berberidifolia J. P. Tracy 1902-5-21 1569 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD14676  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  UCD14829  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -2 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14834  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -7 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45215  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 38 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  UCD45754  Quercus berberidifolia Beecher Crampton 1962-10-2 6692 Napa 1 miles southwest of Monticello Dam, Vaca Mtns., State Hwy. 128. Comment
  CAS-BOT-BC62454  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62455  Quercus chrysolepis Bell Richardson Jackson 1924-10-22 s.n. Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  JEPS116542  Quercus chrysolepis Jake Ruygt 1984-3-31 1516 a Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  SEINET265713  Quercus chrysolepis Royal D. Suttkus 1967-6-26 67- 30 -6 Napa Clearly Reserves 7.2 miles northwest of Pope Valley. Comment
  CAS-BOT-BC85938  Quercus douglasii M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles NE Cliff Spring Comment
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  UCD162119  Quercus douglasii Dylan O. Burge 2014-3-15 1497 Napa Mount Saint Helena. 670 Comment
  UCD45634  Quercus douglasii J. M. Tucker 1965-5-2 3824 Napa East side of road along summit of Blue Ridge, 0.1 mile northwest of summit of Mix Canyon Road, Napa County, California. Elevation 2700 feet. 822 Comment
  UCD45768  Quercus douglasii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena; elev. ca. 1800 ft. 548 Comment
  UCD48036  Quercus douglasii A. Atamian; C. Owens, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 18 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 250 meters east of old road in an oak woodland, near a burned area (burned Oct 1999). 640 Comment
  UCD83395  Quercus douglasii Jake Ruygt 1990-4-7 2461 b Napa Lake Hinman, W of Veterans' Home. 134 Comment
  UCD92305  Quercus douglasii J. M. Tucker 1954-9-23 2756 Napa West side of Highway 37. 0.1 mile south of junction with Wooden Valley Road (about 9.5 miles northeast of Napa). Comment
  CAS-BOT-BC79846  Quercus durata H. E. McMinn 1922-6-8 199 Napa hill side along Pope Creek Comment
  JEPS37346  Quercus durata W. L. Jepson 1895-11-25 Napa La Jota Plateau Howell Mt. Comment
  RSA39635  Quercus durata P. A. Munz 1947-10-10 12214 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  SFV17679  Quercus durata J. M. Tucker, G. L. Stebbins, Jr. 1950-11-5 2011 22 Napa Below Conn Valley Dam on hillside across creek from the picnic area. Comment
  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
  UCD14826  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -22 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14842  Quercus durata John M. Tucker 1950-11-12 2014 -20 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14845  Quercus durata John M. Tucker 1950-11-12 2014 -23 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  HSC71371  Quercus durata var. durata J. P. Smith, J. O. Sawyer 1970-5-17 3784 Napa 8 mi. N of Pope Valley Comment
  UCD45916  Quercus durata var. durata J. M. Tucker 1948-6-7 1679 Napa Shrub at the side of road, a few miles west of Monticello, on road to Rutherford, Napa County, California. Comment
  CDA29212  Quercus garryana D. G. Kelch 2009-6-21 9 .449 Napa Near Skyline Park. Comment
  UCD46061  Quercus garryana var. garryana J. M. Tucker 1952-9-20 2626 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105303  Quercus kelloggii Ella Dales Cantelow 1939-4-8 2502 Napa Howell Mountain Comment
  POM270205  Quercus kelloggii Lyman Benson 1932-8-29 4053 Napa Highway Summit on Mt. St. Helena, Mayacamas Mt. Range, Napa Valley drainage area. 762 Comment
  RSA149  Quercus kelloggii J. T. Howell 1927-8-23 683 Napa Chiles Valley, Napa Range. 213 Comment
  UC521690  Quercus kelloggii Joseph Andorfer Ewan 1933-9-17 8012 Napa trail above Mt. St. Helena <???>; Mt. St. Helena Comment
  UCD46610  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners, Napa County, California. 30 Comment
  CAS-BOT-BC62878  Quercus lobata Peter H. Raven 1952-8-27 5155 Napa Mt. Veeder Road at Lokoya Turnoff 426 Comment
  JEPS46691  Quercus lobata W. L. Jepson 1903-11-1 2403 Napa Little Lake Valley Comment
  RSA28534  Quercus lobata E. K. Balls, P. C. Everett 1953-10-15 18677 Napa 5.5 miles south of junction of highways 37 and 28, between Monticello and Napa. 305 Comment
  UCD61802  Quercus lobata Jake Ruygt 2007-7-28 5253 Napa East of Calistoga, north side of (a peak called) Grassy Hill, Duff Ranch, 'Palisades. 624 Comment
  UCD83400  Quercus lobata Jake Ruygt 1996-5-4 3643 Napa Butts Canyon Rd. at James Creek Rd.; field to SE. 210 Comment
  UCD49054  Quercus wislizeni L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 9 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd., 2 ft. from stream. 152 Comment
  UCD83401  Quercus wislizeni Jake Ruygt 1992-7-18 3101 Napa Green Valley Ranch, end of Green Valley Rd. 316 Comment
  UCD147530  Quercus wislizeni var. frutescens Ellen Dean; Diana Hickson 2014-4-29 8084 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 Comment
  JEPS106868  Rafinesquia californica Jake Ruygt 1978-5-21 326 Napa 2.2 miles north of Sage Canyon Rd. on Chiles-Pope V.Rd. 134 Comment
  UCD167153  Ranunculus aquatilis var. diffusus Jake Ruygt 2015-5-13 6100 Napa East of Zim- Zim Creek parking lot. 348 Comment
  JEPS55055  Ranunculus aquatilis var. hispidulus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  UCD168566  Ranunculus californicus Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS55171  Ranunculus californicus W. L. Jepson 1896-2-22 Napa near Stone Bridge; Howell Mountain grade Comment
  RSA268176  Ranunculus californicus var. gratus Lyman Benson 1931-2-26 19 Napa Mayacamas, Napa Watershed, intergrading from lower edge of Mt St. Helena 213 Comment
  UCD21498  Ranunculus hebecarpus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4400 Napa Quail Ridge Reserve. 213 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
  JEPS55170  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  UCD149702  Ranunculus occidentalis 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
  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
  UCD20824  Ranunculus occidentalis N. Nicola 2001-3-30 040 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UC162832  Ranunculus orthorhynchus var. bloomeri Joseph P. Tracy 1903-5-15 1846 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS86267  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1945-3-28 27555 Napa about 3 mi se Yountville; Napa Valley Comment
  POM149990  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga. Comment
  UCD160034  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  UCD160035  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  JEPS25884  Reseda lutea Alice King July, 1919 Napa Van Ness ranch Mt. St. Helena region Comment
  UC1178884  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 mi n of Calistoga (Napa River); Napa River Comment
  CAS-BOT-BC362895  Rhagadiolus stellatus Marie Taylor 1978-4-5 s.n. Napa Dry Creek & Wall roads Comment
  JEPS41999  Rhamnus crocea Willis L. Jepson 1893-4-28 13970 Napa n of Mt. George (gorge n of Wooden Valley grade); Napa Range, Napa River Basin Comment
  JEPS42043  Rhamnus crocea Alice King Jul 1919 Napa Van Ness ranch Mt. St. Helena Region Comment
  SEINET12210865  Rhamnus crocea var. ilicifolia W. Knight, Knight, I. 1982-1 4552 Napa 0.5 mi W of Spanish Flat on road to Conn Reservoir Comment
  CAS-BOT-BC56018  Rhamnus ilicifolia John Thomas Howell 1929-8-4 4366 Napa One mile below Samuels Springs, Pope Creek Canyon, Napa Range Comment
  UCD48086  Rhamnus ilicifolia Ryan Knox; E. McDermott, G. Walden 2002-4-13 7 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, near Knoxville Creek. 432 Comment
  UC592787  Rhamnus tomentella subsp. tomentella unknown 1928-2-25 1509 Napa 3 mi n summit of the Mt. St. Helena grade (near Lake-Napa Cos. line) Comment
  CAS-BOT-BC199721  Rhododendron occidentale H. E. McMinn 390 Napa About 6 mi. above Aetna Springs Comment
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  UCD20690  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 2 Napa Napa County, Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank, 50' SE of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. Comment
Read comments
Sep 15 2007
  UCD20691  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 3 Napa Napa County, NE side of Butts Canyon Rd. along NE side of Butts Creek, at Napa 19.75 marker. In 5' of low water, crowns 1-2' above low water, submerged 1.5-3' at flood levels. Comment
  UCD20697  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 7 Napa Napa County, Butts Canyon Rd/ Pope Valley Rd. near Butts Creek. NE side of Pope Valley Rd. from Shell Valley Rd S. along Butts Canyon Rd (Pope Valley Rd.) from 0.1 miles to 0.8 miles S., both sides of Butts Creek, but upstream SW side. Comment
  UCSB4808  Rhododendron occidentale Keator, Glenn 1959-3-28 Napa About 1/4 mile above Conn's picnic grounds near Lake Hennessey, Napa Range Comment
  UCD39264  Rhus aromatica B. Crampton 1960-9-7 5776 Napa Vaca Mountains. Markley Canyon, along State Hwy. 128, above Lake Berryessa. Comment
  UCD48422  Rhus aromatica C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 23 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; 50 ft. NW of jct between West Rd. and S. Decker Cayon Rd. in creek bed. 152 Comment
  UC34925  Rhus trilobata Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UCD19944  Ribes malvaceum E. A. Dean; Virginia Boucher 2002-2-28 905 Napa Quail Ridge Reserve. Along upper trail, going N of stock pond at ridge top; going towards power lines, 0.1 airline miles S of powerlines, just upslope where lower and upper trails meet. 286 Comment
  RSA0021658  Ribes malvaceum D. D. Keck 1931-4-2 1025 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  CAS-BOT-BC198894  Ribes roezlii var. cruentum John Thomas Howell 1926-3-21 1707 Napa On St. Helena Creek near Patten's. 701 Comment
  JEPS49309  Ribes victoris Alice King July, 1919 Napa Napa Range, Mount St. Helena, Van Ness Ranch Mount St. Helena; Napa Range, , Van Ness Ranch Comment
  UCD167016  Ribes victoris Jake Ruygt 1984-3-28 1511 Napa Whitehall lane. 701 Comment
  RSA84971  Ribes victoris var. greenianum J. T. Howell 1940-5-19 15450 Napa Upper St. Helena Creek. Comment
  JEPS106904  Rigiopappus leptocladus Jake Ruygt 1998-5-11 3961 x Napa Greeg Mountain 445 Comment
  JEPS106792  Rorippa curvisiliqua Jake Ruygt 1992-7-10 3085 Napa Yountville Ecological Reserve, Yountville Crossroad 26 Comment
  CAS-BOT-BC74597  Rorippa curvisiliqua Peter H. Raven 1952-6-28 4199 Napa Hennessey Lake. 121 Comment
  JEPS129101  Rosa californica Jake Ruygt 2016-5-3 6228 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS77931  Rosa californica Edward Lee Dec. 1935 1676 Napa 1/2 mi s south junction of Napa-Monticello Road ((between the Howell and Vaca Mts.)); Wooden Valley Comment
  UCD19921  Rosa californica E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 776 b Napa Quail Ridge Reserve. Decker Canyon, along S. Decker Canyon trail, just N of Cut-off Rd., along drainage that runs NE of trail. 167 Comment
  UC555669  Rosa gymnocarpa A. E. Borell 1928-4-13 141 Napa 10 mi nw Calistoga Comment
  UC963910  Rosa gymnocarpa Milo S. Baker 1947-7-7 11860 Napa e slope of mt. near hiway at St. Andrew's Camp; Mt. St. Helena 609 Comment
  UCD113904  Rosa spithamea Heidi E. M. Dobson 1978-5-6 320 Napa East slope of Mt. Veeder. Comment
  JEPS122764  Rotala ramosior Jake Ruygt 2009-7-18 5461 Napa Wild Lake. Quad: St. Helena. Comment
  UC1789148 Image available Rubus ulmifolius var. ulmifolius Barbara Ertter, Lincoln Constance 1997-11-27 15885 Napa Highway 29 on north side of Mount St. Helena, roadside at edge of serpentine area Comment
  CAS-BOT-BC110482  Rumex Saichi Kawahara 1968-4-20 356 Napa Pope Valley-Angwin Road, 2 miles southwest of Pope Valley. 499 Comment
  JEPS110756  Rumex crispus Jake Ruygt 1979-3-7 440 Napa Marina Drive at South Coombs 3 Comment
  SBBG128000  Rumex dentatus L. Ahart 2009-10-27 16492 Napa below the high water line of Lake Berryessa, ca. 50 yards SE of Eticuera Crk, ca. 150 yards S of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  JEPS120316  Rumex salicifolius Jake Ruygt 1992-7-7 3074 Napa Alston Park near north side of park. Napa 7.5' Quad. Comment
  UC1197460  Rupertia physodes Joseph P. Tracy 1899-6-17 393 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD48857  Sagina apetala E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd. Sandy, distrubed area immediately off roadside. 182 Comment
  JEPS106735  Sagina decumbens subsp. occidentalis Jake Ruygt 1982-4-4 1166 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  CDA24079  Sagina procumbens Gene Cornett 1963-5-21 Napa Mid City Nursery, 3635 Broadway, Vallejo. 0 Comment
  JEPS120391  Sagina subulata Jake Ruygt 1979-5-14 592 Napa Trefethen Winery, Oak Knoll Comment
  CAS-BOT-BC103226  Salix bonplandiana John Thomas Howell 1925-4-11 954 Napa Soscol Comment
  CAS-BOT-BC108662  Salix breweri Peter H. Raven 1951-5-26 s.n. Napa Butts Canyon [Canon] Creek 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
  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
  UC762333  Salix breweri R. F. Hoover 1938-9-23 3864 Napa Canyon of south fork of Butts Creek Comment
  UCD164792  Salix breweri Jake Ruygt 1994-3-5 3406 Napa Hunting Creek. 280 Comment
  CAS-BOT-BC103753  Salix exigua Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  RSA3941  Salix exigua I. L. Wiggins 1932-3-12 5756 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC146203  Salix exigua var. hindsiana Joseph P. Tracy 1904-5-20 2077 Napa along Napa R. near Rutherford; Northern Coast Ranges 30 Comment
  CAS-BOT-BC108191  Salix hindsiana Paul H. Jr. Arnaud 1978-5-6 s.n. Napa Steele Resort Park, Lake Berryessa 100 Comment
  UC5018  Salix laevigata var. congesta Willis L. Jepson May 2 1891-May 6 1891 Napa creek bed of the Putah, below the Bluffs Comment
  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
  CAS-BOT-BC539357  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, S side of Napa River 85 Comment
  CDA21154  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  UC482319  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 17 a Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UC504070  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  UC504071  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  POM202752  Salix lucida subsp. lasiandra I. L. Wiggins 1932-3-12 5750 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  HSC43987  Salvia columbariae Robert M. Specht 1977-4-13 655 Napa South-facing slope 488 Comment
  POM182720  Salvia columbariae D. D. Keck 1931-4-3 1067 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  CAS-BOT-BC225171  Salvia sonomensis Elizabeth Wright 1922-4-1 217 Napa Near Calistoga Comment
  UCD149684  Salvia sonomensis Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  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
  RSA92950  Sanguisorba minor Peter H. Raven 1951-6-26 3050 Napa E of Napa on Monticello Rd. 61 Comment
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 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
  UCD148828  Sanicula bipinnatifida Ellen Dean; Diana Hickson 2014-4-29 8133 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD48523  Sanicula bipinnatifida S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 11 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
  UCD169889  Sanicula crassicaulis Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 729 Napa Knoxville Wildlife Area. 311 Comment
  UCD81387  Sanicula crassicaulis M. Wiesendanger 1927-5-4 680 Napa Near Monticello. Comment
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  UCD73417  Sanicula laciniata Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
Read comments
Jan 25 2012
  JEPS991  Sanicula laciniata Willis L. Jepson 1893-5-1 14186 Napa Napa River Basin, Upper Napa Valley, Franz Valley Grade Franz Valley Grade; Napa River Basin, Upper Napa Valley, Franz Valley Grade Comment
  SFV11127  Scandix pecten-veneris F. M. Ball May 1961 s. n. Napa 2 miles north of Calistoga on State Highway 29. Roadside. 130 Comment
  UCD118610  Scandix pecten-veneris William Goss; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 Comment
  UCD128135  Scandix pecten-veneris J. M. Tucker 1951-4-11 2070 Napa south side of Howell Mountain, 5.5 miles below Angwin, on road to St. Helena. Comment
  UCSC000537  Scandix pecten-veneris C. F. Sonne April 1888 s.n. Napa First found in N. America in wheatfield near Napa Junction Comment
  UCD128134  Scandix pecten-veneris R. Tofsrud Date Unknown s.n. Napa Exact location unknown. Comment
  CAS-BOT-BC283613  Schedonorus pratensis Peter H. Raven 1951-6-24 3001 Napa Napa 30 Comment
  CDA34665  Scirpus maritimus L. Ahart 2009-10-12 16460 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 Winters. Comment
  CDA37948  Scirpus microcarpus D. G. Kelch 2010-5-6 10 .163 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CAS-BOT-BC240025  Scribneria bolanderi Peter H. Raven 1953-4-2 5243 Napa Hills e. of Imola 121 Comment
  HSC10894  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  RSA491729  Scrophularia californica subsp. floribunda James L. Reveal 1987-6-7 6401 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles west of Pleasant Valley Road, about 7 miles northwest of Vacaville. 762 Comment
  UCD20500  Scutellaria californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1071 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  UCD160790  Scutellaria siphocampyloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8670 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD73410  Scutellaria tuberosa 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
  RSA41992  Sedella pumila Ella Dales Cantelow 1939-5-7 2531 Napa Near cemetery, Napa. Comment
  UCD164852  Sedella pumila Jake Ruygt 2012-4-21 5822 Napa Crystal Flats, west of Putah Creek. 222 Comment
  UC205176  Sedum radiatum Katharine Brandegee 1909-6-1 Napa Pope Valley grade Comment
  UC205200  Sedum spathulifolium H. P. Chandler 1907-5-8 7558 Napa White Sulphur Spr , White Sulphur Spr (St. Helena) Comment
  UCR141753  Selaginella wallacei J. French 1969-2-15 s.n. Napa 7 mi NE of Napa on State Hwy 121 243 Comment
  SEINET11807296  Senecio clevelandii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -333 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  RSA603482  Senecio eurycephalus Joseph A. Ewan 1934-4-30 8826 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  RSA122332  Senecio eurycephalus B. O. Schreiber 1938-4-24 2506 Napa 1/2 mile northwest of Knoxville. 610 Comment
  RSA15117  Senecio eurycephalus J. T. Howell 1935-5-12 12626 Napa Pope Creek Canyon one mile below Samuels Springs. Comment
  RSA273383  Senecio eurycephalus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi E of Lake Co. line Comment
  UCD33551  Senecio flaccidus var. douglasii Beecher Crampton 1969-10-14 8521 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  CAS-BOT-BC364214  Senecio sylvaticus Baker 1938-5-4 8972 Napa Levee at Cutting Wharf Comment
  CDA11136  Senecio vulgaris G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11826 Napa North Coast Biodiversity Arena; Mt. George Comment
  JEPS17417  Senecio vulgaris W. L. Jepson 1936-5-31 17572 Napa e of St. Helena; Howell Mountain, Jota Plateau Comment
  UCD159909  Senecio vulgaris Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 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
  RSA185857  Sidalcea diploscypha John H. Thomas 1955-5-21 5158 Napa Near State Highway No. 125 and Capell Creek, about 12 miles east of St. Helena 244 Comment
  UC1198398  Sidalcea diploscypha J. P. Tracy 1899-6-14 381 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  HSC16034  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  JEPS50083  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  UCD167288  Sidalcea hartwegii Jake Ruygt 1982-4-18 1190 Napa Calistoga Grade on Mount St. Helena. 353 Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  UCD170376  Sidalcea keckii Daniel Potter; N Khuu 2016-5-8 873 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, just west of tributary to Nevada Creek. 281 Comment
  UCD170452  Sidalcea keckii Daniel Potter; Ninh Khuu 2016-6-8 881 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 562 Comment
  JEPS110723  Sidalcea malviflora subsp. laciniata Jake Ruygt 1976-4-23 13 Napa .2 miles south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS50940  Silene antirrhina W. L. Jepson 1896-6-2 Napa St. Helena , St. Helena (Napa Valley) Comment
  JEPS106851  Silene californica Jake Ruygt 1981-5-13 1022 Napa .2 miles east of Flosden Rd. on north side American Canyon 164 Comment
  JEPS50966  Silene californica Alice King July, 1919 Napa Van Ness Ranch Mt. St. Helena, Van Ness Ranch Comment
  JEPS50967  Silene californica W. L. Jepson 1924-5-8 10414 Napa Pope Creek Pope Creek (Canyon flat) Comment
  UC465677  Silene californica H. P. Chandler 1907-5-26 7591 Napa White Sulphur Spr St. Helena, White Sulphur Spr Comment
  UCD37128  Silene laciniata subsp. californica Beecher Crampton 1957-6-4 4095 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  UCD37323  Silene laciniata subsp. californica Beecher Crampton 1959-5-26 5260 Napa Napa County, north end of Capell Valley, Capell Creek. Comment
  JEPS106854  Silene verecunda subsp. platyota Jake Ruygt 1982-5-15 1254 Napa Buzzard's Roost east od Stag's Leap 609 Comment
  CAS-BOT-BC135365  Sisyrinchium L. R. Abrams 1928-5-3 12212 Napa St. Helena Grade Comment
  HSC45337  Sisyrinchium bellum R. York 1978-4-8 107 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UC1032510  Sisyrinchium bellum A. Lewis 1932-5-18 100 Napa Sarco Creek 182 Comment
  UCD170211  Sisyrinchium bellum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 746 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCD48245  Sisyrinchium bellum Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 4 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD48736  Sisyrinchium bellum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 14 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Rd. and Decker Bay Trail; approx. 90' NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  CDA39472  Sisyrinchium bellum T. C. Fuller 1958-5-1 3724 Napa 2.5 miles north of Calistoga. 0 Comment
  UCD138846  Sisyrinchium bellum Greg Vita 1978-4-23 21 Napa 3.6 miles southwest of Monticello Dam on Route 128. 274 Comment
  JEPS126042  Sisyrinchium californicum Jake Ruygt 1990-4-14 2478 Napa South end of Wooden Valley on Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCD48199  Solanum parishii Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 8 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  CDA33362  Solanum rostratum Robin Breckenridge 2010-9-29 PDR# 5059104 Napa Lake Berryessa. 0 Comment
  HSC100739  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa Below the high water line of Lake Berryessa, ~100 yd. E of Eticuera Creek, ~50 yd. S of Eticuera Parking Area at the NE end of causeway, on S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  UCD127010  Solanum rostratum Baade 1925-8-24 s.n. Napa Napa Comment
  JEPS110903  Solanum umbelliferum Jake Ruygt 1980-5-3 872 Napa Bear Valley 640 Comment
  JEPS110917  Solanum umbelliferum Jake Ruygt 1981-4-1 963 Napa Stag's Leap 152 Comment
  JEPS110919  Solanum umbelliferum Jake Ruygt 1993-4-12 3203 Napa south of James Creek Road and Butts Cany on Road. 219 Comment
  NY820402  Solanum xanti L. Constance 1938-3-27 2039 Napa In the Howell Mountains, 5 miles east of Napa, North Coast Ranges 457 Comment
  UCD160791  Solidago Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8671 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  JEPS32417  Solidago elongata W. L. Jepson 1894-11-8 Napa St. Helena Comment
  UC36208  Solidago elongata Willis L. Jepson 1893-9-24 Napa Howell Mt. Napa River Basin, , Angwin's Meadows (Napa River Basin, Angwin's Meadows) Comment
  CAS-BOT-BC365095  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11626 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC365097  Solidago velutina subsp. californica Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  JEPS106876  Solidago velutina subsp. californica Jake Ruygt 1990-7-14 2602 Napa Yountville Ecological Reserve, Napa River at Yount.Cross 28 Comment
  UCD161321  Solidago velutina subsp. californica Jake Ruygt 1979-7-21 764 Napa Napa County : 2.7 miles north of Howell Mountain Road on Pope Valley Road. (Coordinates estimated by label maker at UC Davis). 216 Comment
  JEPS18729  Soliva sessilis Willis L. Jepson 1893-5-8 14874 Napa Howell Mt. grade below New Eden; Napa River Basin, Howell Mt. Comment
  CDA29133  Sonchus asper D. G. Kelch, Daniel Weinstein 2009-6-21 9 .447 Napa Near Skyline Park. Comment
  UCD120783  Sonchus oleraceus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7327 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
  UCD159925  Sonchus oleraceus 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
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  UCD35347  Spergularia macrotheca var. longistyla Beecher Crampton 1955-5-9 2752 Napa Napa County; 2 miles north of Calistoga. Comment
  HSC34855  Spergularia macrotheca var. longistyla Thomas W. Nelson, James Nelson 1975-5-5 1805 Napa Calistoga Airport Comment
  JEPS106614  Spergularia marina Jake Ruygt 1987-7-29 2094 Napa Horseshoe Bend, Napa River 2 Comment
  JEPS106586  Spergularia rubra Jake Ruygt 1978-5-7 292 Napa .5 miles south of Monticello Rd. near Mt. George 414 Comment
  UCD118611  Spergularia rubra William Goss; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 Comment
  CAS-BOT-BC390564  Spergularia rubra Peter H. Raven 1953-10-4 6366 Napa Duttons Landing 3 Comment
  UCD166675  Stachys ajugoides Jake Ruygt 1982-6-21 1339 Napa Suscol plain, just east of steel mill, Rocktram. 2 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
  JEPS62975  Stachys albens W. L. Jepson 1936-7-6 17652 Napa Sage Canyon Napa Range Comment
  RSA505701  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa Stream near Etna Springs. 366 Comment
  JEPS112632  Stachys stricta Jake Ruygt 1981-7-8 1062 Napa Bateman Creek 609 Comment
  CAS-BOT-BC375247  Stephanomeria elata Peter H. Raven 1951-6-26 3057 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC375245  Stephanomeria elata Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC375744  Stephanomeria virgata Peter H. Raven 1951-8-21 3871 Napa Mt. Veeder 762 Comment
  UCD159903  Stephanomeria virgata 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
  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
  SBBG128109  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa just above high water line of Lake Berryessa, along the W side of Capell Crk N of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  SEINET10893290  Stipa pulchra David D. Keck 1931-4-2 Keck 1033 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  JEPS106604  Streptanthus brachiatus Jake Ruygt 1983-6-12 1491 Napa Red Hill, Mt. St. Helena 670 Comment
  CAS-BOT-BC61249  Streptanthus breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC61254  Streptanthus breweri Peter H. Raven 1952-5-26 4057 Napa 5 miles east Pope Valley P.O. on Monticello Road. 176 Comment
  UCD167702  Streptanthus breweri W. Robert Powell 1977-4-16 2487 Napa Just east of Butts Canyon Road. 2.5 air miles from Aetna Springs. 4.0 air miles from town of Pope Valley. (Exact location unknown. Coordinates estimated by label maker.) 277 Comment
  UC1198805  Streptanthus breweri var. hesperidis Joseph P. Tracy 1899-7-6 407 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC1292725  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-8-4 1041 Napa near Detert Reservoir; Napa-Lake County line Comment
  HSC81869  Streptanthus glandulosus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5139 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  RSA3294  Streptanthus glandulosus D. D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  POM215780  Streptanthus glandulosus D. D. Keck 1933-5-29 2370 Napa Pope Creek bridge south of Walters Springs. Comment
  SEINET5501528 Image available Streptanthus glandulosus Sally Walker 1983-5-26 Napa e side of Mt St Helena Napa co. Comment
  CAS-BOT-BC87158  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  JEPS106601  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1991-5-18 2681 Napa above Cooksley Lake, Friesen's Lakes 685 Comment
  UCD170438  Streptanthus glandulosus subsp. glandulosus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 910 Napa Knoxville Wildlife Area on slope west of Berryessa-Knoxville Road. 517 Comment
  UCD74407  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-29 1677 Napa Devilshead Rd. area; 'sensitive plant canyon. 420 Comment
  JEPS100815  Streptanthus hesperidis Dean Wm. Taylor with Mey Akasah 1999-6-4 17217 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD137414  Symphoricarpos albus var. laevigatus K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forset. Comment
  UCD137423  Symphoricarpos albus var. laevigatus C. R. Kovacic 1969-5-3 21 Napa northeast end of Lake Hennessey near outlet of Chiles Creek. Comment
  JEPS104532  Symphyotrichum spathulatum Jake Ruygt 1978-8-7 390 Napa .3 miles west of Big Ranch rd. on Oak Knoll Ave. 22 Comment
  UC165065  Symphyotrichum spathulatum Joseph P. Tracy 1904-5-23 2081 Napa near, (Napa Valley) Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC221920  Taeniatherum caput-medusae Peter H. Raven 1951-5-26 2878 Napa Butts Canon [Canyon] 304 Comment
  RSA129898  Taeniatherum caput-medusae P. H. Raven 1951-5-26 2878 Napa Butts Canyon. 305 Comment
  JEPS45772  Tamarix gallica W. L. Jepson 9832 Napa White Sulphur Creek; Napa Valley Comment
  UC107641  Taraxia ovata Mrs. K. Curran Sept. 1888 Napa Howell Mountain Comment
  JEPS110688  Tetrapteron graciliflorum Jake Ruygt 2005-4-17 4765 Napa Bear Valley, N of pond 649 Comment
  JEPS110988  Thalictrum fendleri var. polycarpum Jake Ruygt 1979-6-3 670 Napa Aetna Springs Rd. 472 Comment
  UC162793  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1586 Napa 3-4 mi Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 304 Comment
  UCSB7191  Thermopsis gracilis Keator, Glenn 1959-3-28 Napa About 1/2 mile above Conn's picnic grounds near Lake Hennessy, Napa range Comment
  HSC43964  Thermopsis macrophylla Robert M. Specht 1977-4-11 617 Napa Along drainage of Pocock Creek 500 Comment
  CAS-BOT-BC66479  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4574 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66480  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4575 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CHSC43429  Thysanocarpus curvipes Lowell Ahart 1976-3-7 1028 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  JEPS106588  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2879 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  UCD81816  Thysanocarpus curvipes Ellen Dean 2009-4-24 5443 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCR212324  Thysanocarpus curvipes Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  CAS-BOT-BC66507  Thysanocarpus curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles north of Calistoga on road to Lakeport. Comment
  CAS-BOT-BC66512  Thysanocarpus curvipes Lewis S. Rose 1935-4-18 35099 Napa Steel Canyon. Comment
  JEPS54153  Thysanocarpus curvipes Willis L. Jepson 1893-5-1 27 d Napa creek bottom w Calistoga; Napa River Basin, w of Calistoga Comment
  JEPS54175  Thysanocarpus curvipes W. L. Jepson 1923-4-29 9895 Napa St. Helena; Little flat on border of foothills 91 Comment
  UC11005  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa Napa City; Napa River Basin, Napa City Comment
  UCD74413  Thysanocarpus curvipes Jake Ruygt 1991-5-11 2672 Napa Little Bear Valley near Sugarloaf Mtn. 694 Comment
  RSA0039374  Thysanocarpus curvipes var. curvipes John Thomas Howell 1931-4-2 6097 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC67314  Thysanocarpus radians Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  CAS-BOT-BC85168  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Beside Highway 29, east side of Mt. St. Helena, 1 mile north of summit of road Comment
  SEINET11736712  Torreya californica Unknown 1944-1 s.n. Napa no further locality Comment
  CAS-BOT-BC172956  Toxicodendron diversilobum Peter H. Raven 1964-5-9 19041 Napa Along dirt road 2 miles west of Aetna Springs Comment
  UC17923  Toxicodendron diversilobum Willis L. Jepson May, 1893 Napa near St. Helena St. Helena; Napa R. Basin Comment
  UCD67492  Toxicodendron diversilobum D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland in eastern slopes. 350 Comment
  UCD48799  Toxicoscordion fremontii A. Collier; D. Caterson and S. Kenady 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines. 335 Comment
  CDA30789  Trichostema laxum V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UCD67610  Trichostema laxum D. Sanchez-Mata 1996-7-15 s.n. Napa Winters-Napa. Capell Valley. Serpentine plant communities near the stream in Capell Creek. 250 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
  RSA0004018  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 482 Comment
  UC22513  Trientalis latifolia Willis L. Jepson 1893-5-9 Napa Napa River Basin, [Nibaum's Dam] Napa River Basin Comment
  UCD83437  Trifolium albopurpureum Jake Ruygt 1993-5-1 3235 Napa SW end of Cedar Creek Rd. 463 Comment
  SEINET7075540  Trifolium albopurpureum var. dichotomum A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UC137700  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1999 Napa St. Helena Comment
  UC1602048  Trifolium albopurpureum var. dichotomum Baker 1903-4-20 2625 Napa Mt. St. Helena 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
  JEPS106696  Trifolium bifidum var. bifidum Jake Ruygt 1977-4-3 169 Napa Green Creek area east of Lake Berryessa 259 Comment
  UC16431  Trifolium bifidum var. bifidum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS106795  Trifolium bifidum var. decipiens Jake Ruygt 1996-4-25 3627 Napa Whitehall Lane near end of county road (Kroeber property) 121 Comment
  JEPS129098  Trifolium ciliolatum Jake Ruygt 2016-4-30 6218 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS65841  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-24 13739 Napa e St. Helena (hills); Napa River Basin Comment
  UC188495  Trifolium depauperatum var. depauperatum Edw. L. Greene 1895-4-1 Napa Napa Valley Comment
  UCD108528  Trifolium depauperatum var. truncatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  RSA653959  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD170821  Trifolium dichotomum 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
  UCD33087  Trifolium dichotomum Beecher Crampton 1966-5-10 7712 Napa 4 miles NW of Moskowite Corner on State Hwy. 128. Comment
  POM18842  Trifolium dichotomum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  POM126204  Trifolium fucatum var. fucatum C. F. Sonne 1887-04 1535 Napa Napa Junction Comment
  UCD83446  Trifolium glomeratum Jake Ruygt 1988-4-29 2161 a Napa SE corner of Highway 12 and 29. 22 Comment
  UCD109759  Trifolium gracilentum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  CDA37354  Trifolium hirtum D. G. Kelch 2010-5-6 10 .171 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS21829  Trifolium incarnatum Margaret Whitmore 1958-3-23 22 Napa 1 mi n Napa (on Atlas Peak Rd) 15 Comment
  RSA121049  Trifolium incarnatum H. C. Cantelow, Ella Dales Cantelow s.n. Napa On Silverado Trail southeast of Rutherford. Comment
  UCD83724  Trifolium incarnatum Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 3 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 Comment
  UCD111455  Trifolium microcephalum R. Tofsrud 1951-5-26 s.n. Napa Near Enterprise School. Comment
  UC137701  Trifolium oliganthum C. F. Baker 1903-4-20 2606 Napa Mt. St. Helena Comment
  UCD83422  Trifolium oliganthum Jake Ruygt 1978-4-17 1431 Napa Red Hill, Mt. St. Helena. 670 Comment
  UCD168552  Trifolium subterraneum Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD109419  Trifolium variegatum Helen K. Sharsmith 1963-4-20 5329 Napa Kelly Road, 4 miles south of Napa. 45 Comment
  UCD109430  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Napa Yountville cemetery. Comment
  UCD109431  Trifolium variegatum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD39032  Trifolium variegatum Beecher Crampton 1962-5-8 6414 Napa 2 miles north of Calistoga, Myrtledale Hotsprings meadow. Comment
  UC160947  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1633 Napa near Calistoga; Napa Valley 91 Comment
  JEPS122746  Trifolium variegatum var. variegatum Jake Ruygt 2011-5-7 5775 Napa Pope Valley, Pope Canyon Road at vernal marsh. Quad: St. Helena. Comment
  JEPS4145  Trifolium willdenovii Willis L. Jepson 1893-5-2 13673 Napa e Calistoga (Pope Valley grade); Napa River Basin Comment
  JEPS4171  Trifolium willdenovii W. L. Jepson 1936-7-2 17645 Napa Angwin Napa Range, Howell Mtn Comment
  UCD83425  Trifolium willdenovii Jake Ruygt 2000-5-6 4240 Napa Hwy 128 at Sonoma County line; N of Calistoga. 219 Comment
  CAS-BOT-BC451905  Triglochin maritima John Thomas Howell 1932-10-8 10810 Napa At Cuttings Wharf on Napa River Comment
  UC1031218  Trillium chloropetalum Rolf Y. Berg 1954-4-8 Napa Sarco Creek in Howell Mt. (Hwy. 37); , Sarco Creek Comment
  SEINET13750232  Triphysaria eriantha M. J. Williams 1967-5-7 s. n. Napa Pope Valley. 198 Comment
  JEPS20135  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-25 Napa Napa Comment
  JEPS85046  Triphysaria pusilla Larry Heckard, Mary Ashton 1969-5-3 2188 Napa ca. 7 mi. n.e. Napa (Mead Ranch, off the Atlas Peak Rd.); Mead Ranch 457 Comment
  JEPS74863  Triphysaria pusilla T. I. and F. M. Chuang 1975-5-4 7503 Napa on highway 29, 4.2 mi s Napa Comment
  SJSU11599  Triphysaria versicolor subsp. faucibarbata E. C. Garbett 1961-4-15 288 Napa by rd between Vallejo & Brown Valley Rd Comment
  UCD123416  Triphysaria versicolor subsp. faucibarbata Gerald D. Carr; R. F. Denno 1971-5-13 546 Napa 1.5 miles northwest of Pope Valley on Pope Valley Road. Comment
  UCD123421  Triphysaria versicolor subsp. faucibarbata L. P. Thibault 1995-6-2 59 Napa West side of Lower Chiles Road. 0.25 miles northwest of Highway 128. 300 Comment
  CDA41890  Triphysaria versicolor subsp. faucibarbata T. C. Fuller 1958-5-1 s.n. Napa Highways 29 & 21, 6 miles south of Napa. 0 Comment
  CDA41891  Triphysaria versicolor subsp. faucibarbata H. Stabo 1960-4-25 s.n. Napa Southern part of county. 0 Comment
  UC1334877  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa on West Imola Avenue 1 mi w State Highway #12 and 29 Comment
  UC1334906  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-15 494 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UCD32415  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1950-5-7 570 Napa about 3-4 miles southeast of Yountsville, east side of Napa Valley, along Silverado Trail. 45 Comment
  UCD73052  Trisetum canescens Ellen Dean; S. Rae 2008-5-21 4971 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  UCD160785  Triteleia hyacinthina Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8665 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  UCD139374  Triteleia laxa M. Sidells 1996-4-27 18 Napa on side of Route 128, 2 miles east of Lake Berryessa. 200 Comment
  UCD48277  Triteleia laxa R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UCD48796  Triteleia laxa Kook-Hyun Chung 2001-4-28 1 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Rd., ca. 0.45 mi (2400 ft.) NW of jct with South Decker Canyon Rd.; down slope of West Road ca. 1 m. 242 Comment
  UC3311  Triteleia laxa Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  UC15022  Triteleia lugens J. P. Tracy 1902-5-15 1450 Napa 3-4 mi e Angwuns (head of Moore's Creek); Howell Mtn 457 Comment
  UC1278003  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa above Capell Creek (n end of Capell Valley); , n end Capell Valley Comment
  UCD160647  Triteleia peduncularis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8733 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  CAS-BOT-BC527964  Triteleia peduncularis Cornelia S. Masters 1915-6-15 s. n. Napa Unspecified Comment
  SEINET3243502  Triteleia peduncularis Sally Walker 1981-1 H- 8 Napa Beside creek, 9.9 miles south of Middletown along Butts Canyon Road. Comment
  CAS-BOT-BC91201  Umbellularia californica John Thomas Howell 1933-8-27 11623 Napa Sage Canyon, Napa Range. Comment
  CDA11147  Umbellularia californica G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11558 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  RSA15671  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mt. St. Helena grade, at Mt. St. Helena Inn. Comment
  SBBG2307  Umbellularia californica var. californica Milton Workman 1953-3-7 8 Napa Portuguese Cyn, Putah Crk Rd Comment
  JEPS36213  Uropappus lindleyi W. L. Jepson 1923-4-29 9891 Napa St. Helena Comment
  UC50066  Uropappus lindleyi Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga Napa River Basin Comment
  JEPS120409  Vaccinium ovatum Jake Ruygt 1986-5-10 1757 Napa Devil's Canyon. Comment
  UCD167017  Vaccinium ovatum Jake Ruygt 1984-3-31 1520 Napa Devil's Canyon. 405 Comment
  UC27680  Verbascum thapsus Mrs. D. O. Hunt Nov., 1898 Napa St. Helena Comment
  UCD38862  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. Comment
  UCD124634  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  UCD108690  Vicia americana subsp. americana K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  JEPS106542  Vicia americana var. americana Jake Ruygt 1979-4-23 549 Napa .4 miles east of Howell Mtn. Rd. on Chiles and Pope V.Rd. 207 Comment
  RSA92830  Vicia angustifolia Peter H. Raven 1951-5-26 2867 Napa Lokoya Lodge 412 Comment
  CDA12103  Vicia benghalensis G. F. Hrusa 1989-4-24 5964 Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  UC162844  Vicia hassei Joseph P. Tracy 1904-5-23 2097 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  JEPS66194  Vicia sativa subsp. nigra Willis L. Jepson 1893-4-24 13612 Napa hills e St. Helena; Napa River Basin Comment
  JEPS66212  Vicia sativa subsp. nigra W. L. Jepson 1938-5-15 18783 Napa Comment
  UCD83431  Vicia sativa subsp. nigra Jake Ruygt 1986-5-29 1797 Napa Mt. George. 307 Comment
  SEINET5728582 Image available Viola douglasii M. R. Gardner 1967-1 20 Napa 1 mi. SE of Pope Valley.; Pope Valley 213 Comment
  UCD110899  Viola lobata Heidi E. M. Dobson 1978-4-2 293 Napa East slope of Mt. Veeder. Comment
  CAS-BOT-BC537074  Viola lobata Ira L. Wiggins 1949-4-30 12086 Napa East flank of Mount St. Helena 914 Comment
  HSC21808  Viola lobata C. B. Wolf 1928-5-3 1825 Napa At the summit of the Mt. St. Helena Grade Comment
  JEPS110805  Viola lobata subsp. integrifolia Jake Ruygt 1976-4-23 20 Napa .9 miles north o