Search Results — 2000 specimen records retrieved (1458 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CDA34677  Abutilon theophrasti L. Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  UCD54553  Acacia baileyana Ellen Dean 2005-10-12 2741 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  UCD54554  Acacia dealbata Ellen Dean 2005-10-12 2742 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  RSA633347  Acer macrophyllum Michael A. Vincent, Ethan H. Freid 1998-4-7 8167 Napa Along Rt. 128 at road marker 24/80 Comment
  SEINET2043780 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 673021 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  SEINET3477393  Acer macrophyllum Unknown 1965-8-23 7492 Napa Moskowite Corners, Moskowite Corners, 2.5 miles east, state highway 128 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
  UCD162093  Acer macrophyllum Dylan O. Burge 2014-3-15 1490 Napa Mount Saint Helena. 740 Comment
  UCD161303  Acer negundo Jake Ruygt 1979-4-2 472 Napa Napa Creek at First Street bridge, Napa. (Coordinates estimated by label maker at UC Davis). 4 Comment
  SEINET11687430  Achnatherum lemmonii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -300 Napa Robert Lewis Stevenson State Park, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC165022  Achyrachaena mollis J. P. Tracy 1902-5-21 1601 Napa 3-4 mi e, at head of Moore's Creek Angwin's; Howell Mountain, Moore's Creek 426 Comment
  UCD18178  Achyrachaena mollis Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD16032  Achyrachaena mollis L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 10 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7'' N, 122 deg. 20' 22.4'' W; 396 m. Comment
  SBBG3379  Acmispon americanus J. M. Tucker 1941-9-20 393 Napa Putah Cyn, Vaca Range Comment
  UCD167102  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6122 Napa Missimer - Snell Valley Preserve. 177 Comment
  UCD118567  Acmispon brachycarpus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on S side of road. 518 Comment
  UCD160738  Acmispon brachycarpus Ellen Dean 2015-5-23 8790 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD18058  Acmispon brachycarpus Ellen Dean; with Plant Biology 102 class 2000-4-22 613 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD48948  Acmispon glaber var. glaber K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Along West Rd., ca. 0.38 as the crow flies miles (1500 ft.) NW of jct, with S. Decker Canyon Rd. 237 Comment
  UCD95900  Acmispon parviflorus Ellen Dean; with Clare Loughran 2011-5-20 7044 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  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
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  RSA491726  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 610 Comment
  SEINET3124749 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD48359  Adiantum jordanii Kook-Hyun Chung 2001-4-28 2 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) NW of jct with South Decker Canyon Rd. 53 Comment
  CAS-BOT-BC202655  Aesculus californica H. E. McMinn 1922-6-8 171 Napa On summit of Howell Mt. Comment
  SEINET1908051  Aesculus californica Richard R. Halse 1989-1 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  UCD67507  Aesculus californica D. Sanchez-Mata 1996-6-5 s.n. Napa Lake Berryessa. Pope Canyon Road. 180 Comment
  JEPS62941  Agastache urticifolia Willis L. Jepson 1893-4-25 14893 Napa w St. Helena (Caux's Knob); Napa River Basin, Caux's Knob Comment
  SEINET181203 Image available Agoseris grandiflora Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15291 Napa 20 miles north of Napa Comment
  CAS-BOT-BC22750  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 Comment
  UCD128612  Agoseris heterophylla P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD128642  Agoseris heterophylla K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  CAS-BOT-BC46061  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  UC194724  Agoseris hirsuta C. F. Sonne Apr 1888 Napa Comment
  JEPS45601  Agrimonia gryposepala Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  CAS-BOT-BC127137  Agrostis exarata Peter H. Raven 1951-10-28 3926 Napa Conn Valley. 152 Comment
  CAS-BOT-BC127138  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa Above Capell Creek, north end of Capell Valley. Comment
  CAS-BOT-BC127140  Agrostis exarata Peter H. Raven 1952-5-31 4117 Napa 2.5 miles east of Yountville. 60 Comment
  JEPS129052  Agrostis exarata var. monolepis Jake Ruygt 2016-7-2 6288 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  UCD32918  Agrostis exarata var. monolepis Beecher Crampton 1965-7-7 7441 Napa Napa County, north end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  UCD52670  Agrostis hallii Beecher Crampton 1957-6-4 4109 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD52699  Agrostis hallii Beecher Crampton 1953-5-19 1298 Napa Sonoma - Napa County Line: 5 miles west Calistoga, Hwy. 128. Comment
  UCR152417  Agrostis hallii Beecher Crampton 1957-6-4 4109 Napa Inner North Coast Ranges, North end of Capell Valley, above Capell Creek 213 Comment
  CAS-BOT-BC138818  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Northern Coast Ranges. Calistoga Hot Springs. 91 Comment
  CAS-BOT-BC138823  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Meadow, Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  RSA113784  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga Comment
  UC1059033  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa 2 mi n Calistoga; meadow from waters supplied by Myrtledale Hot Springs Comment
  UC1103375  Agrostis microphylla Joseph P. Tracy 1903-5-15 1861 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD53015  Agrostis microphylla Beecher Crampton 1962-5-8 6415 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC139013  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Northern Coast Ranges. 243 Comment
  UCD36949  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains, above Wooden Valley. Comment
  UCR227899  Agrostis pallens Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  SEINET9358474  Agrostis pallens Unknown 2007-5-30 Napa Brend-Morgan property, ca. 3 mi NE of city of Napa. Gentle sw-facing slope, open chaparral, dry habitat on rocky, volcanic soil. Assoc. species: Heteromeles arbutifolia, Arctostaphylos manzanita, A. glandulosa, Mimulus aurantiacus, Adenostoma fascicularis, Baccharis pilularis, Ceanothus foliosus, and C. purpureus. Comment
  RSA92953  Agrostis stolonifera P. H. Raven 1951-6-26 3049 Napa E. of Napa on Monticello Rd. 61 Comment
  UCD120873  Aira caryophyllea Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7337 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS110914  Allium amplectens Jake Ruygt 1977-5-1 203 Napa east of east end Westgate Drive 152 Comment
  UC14988  Allium amplectens J. P. Tracy 1899-6-19 448 Napa 3-4 mi e Angwin's (head of Moore's Creek, flats on top of the mountain); Howell Mountain, Moore's Creek 518 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
  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
  JEPS110939  Allium cratericola Jake Ruygt 1979-4-14 515 Napa Oat Hill Mine Road, Twin Peaks 694 Comment
  CAS-BOT-BC466761  Allium cratericola Milo S. Baker 1926-4-10 174 a - Son. Reg. Napa The Crater - 3 mi. south St. Helena Inn Comment
  UCD161516  Allium cratericola Jake Ruygt 1990-4-8 2473 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  JEPS47616  Allium falcifolium Miss Saidee Wallace 1909-4-23 Napa 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
  UC3081  Allium falcifolium Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Comment
  POM257226  Allium falcifolium J. Morrison, Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  SEINET187416  Allium falcifolium J. Morrison, A Carter 1938-4-24 1355 Napa 0.6 mi W of Knoxville on rd from Monticello to Lower Lake Comment
  UC1299308  Allium falcifolium Freed W. Hoffman 1947-3-20 870 Napa Hunting Creek, Napa-Lake county line North Coast Ranges, Hunting Creek Comment
  POM182677  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  UCD148572  Allium fimbriatum var. purdyi Jake Ruygt 1980-4-22 857 Napa Napa County; 0.7 mile north of Knoxville on Berryessa-Knoxville Rd. Comment
  JEPS110934  Allium serra Jake Ruygt 1986-3-22 1661 Napa Monticello Dam 146 Comment
  UC410445  Allium serra Alice Eastwood 1930-4-13 17927 Napa canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC475564  Allium serra John Thomas Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  POM203718  Allium serra J. T. Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  POM215781  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville. Comment
  JEPS120324  Allophyllum divaricatum Jake Ruygt 1989-4-22 2271 a Napa East of Highway 121 on Highway 128. Capell Valley 7.5' Quad. Comment
  UC23569  Allophyllum divaricatum Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  SEINET2444438  Allophyllum gilioides K. Walker 2006-5-13 3 Napa Quail Ridge Reserve, West Ashley Rd. 0.5 mi NW of Laurel Creek. 208 Comment
  UCD117325  Allotropa virgata Gilbert Muth 1971-5-20 s.n. Napa 1/2 mile down Ink Grade Road from White Cottage Road, Angwin. Comment
  CAS-BOT-BC137956  Alopecurus saccatus Peter H. Raven 1950-5-6 2003 Napa Calistoga. Sulphur Flats near Geysers Hot Springs near Calistoga Airfield. 45 Comment
  JEPS123019  Alopecurus saccatus Jake Ruygt 1996-5-13 3664 Napa 0.9 mile south of Pope Canyon Road on Hardin Road. Quad: Saint Helena. Comment
  JEPS123021  Alopecurus saccatus Jake Ruygt 1982-6-1 1305 Napa 0.3 mile north of Chimney Rock Golf Course. Quad: Yountville. Comment
  JEPS129122  Alopecurus saccatus Jake Ruygt 2015-5-2 6086 f Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  UCD47826  Amaranthus blitoides Mark Bibbo; Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UC1010754  Amaranthus californicus Peter H. Raven 1951-10-28 3944 Napa Conn Lake 152 Comment
  UCD164868  Amaranthus californicus Jake Ruygt 2012-11-3 5890 Napa Lake Hennessey east of boatramp. 94 Comment
  JEPS54311  Amaranthus hybridus W. L. Jepson Napa Rural Health Retreat St. Helena Comment
  CAS-BOT-BC45030  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  CHSC79352  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UCD33089  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  CAS-BOT-BC136747  Amelanchier utahensis L. R. Abrams 1928-5-4 12281 Napa Mt. St. Helena toll house Comment
  CAS-BOT-BC136748  Amelanchier utahensis John Thomas Howell 1940-5-19 15447 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC136750  Amelanchier utahensis Carl B. Wolf 1928-5-4 1868 Napa Mt. St. Helena Comment
  JEPS45494  Amelanchier utahensis W. L. Jepson 1924-4-27 10383 Napa Mt. St. Helena Comment
  POM262978  Amorpha californica var. napensis J. C. Roos 1939-4-29 289 Napa Angwin, Howell Mountain Comment
  RSA721588  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s.n. Napa Dry Creek Road about 100 yards east of the intersection with Wall Road, about five miles west of Oakville (just north of Yountville) Comment
  UCD56008  Ampelodesmos mauritanicus R. Tofsrud 1941-5-1 s.n. Napa Mt. St. Helena. Comment
  UCD119266  Amsinckia intermedia Mary N. Artist 1965-3-19 7 Napa 3.5 miles E of Pope Valley. Comment
  UCD169886  Amsinckia intermedia Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 725 Napa Knoxville Wildlife Area. 352 Comment
  JEPS61121  Amsinckia intermedia Willis L. Jepson 1893-4-28 21080 Napa gorge n of Wooden Valley grade (w slope Napa Range, n of Mt. George); Napa River Basin, Napa Range, Mt. George Comment
  UC1094056  Amsinckia intermedia Francia Chisaki 1954-4-15 591 Napa about 1 mi s of entrance to State Hospital on Highway #29 Comment
  UC725446  Amsinckia intermedia A. A. Heller 1940-5-6 15588 Napa n of Calistoga (where the hwy begins to wind up the slope of Mount St. Helena) Comment
  UCD14969  Amsinckia intermedia Craig Homan 1977-4-8 4 Napa California, Napa Co.; 14 miles southwest of Winters along Highway 128; Comment
  UCD68104  Amsinckia intermedia Cheryl Gillespie 1981-4-18 5 Napa Knoxville Road, 8.9 miles North of the intersection with Pope Canyon Road. Comment
  UCD170186  Amsinckia menziesii Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 771 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  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
  CAS-BOT-BC64143  Ancistrocarphus filagineus David D. Keck 1931-4-3 1068 Napa Pope Creek canyon, 8 miles NW. of Monticello Comment
  CAS-BOT-BC64145  Ancistrocarphus filagineus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6655 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  JEPS104503  Ancistrocarphus filagineus Jake Ruygt 1993-4-12 3198 Napa south of James Creek Road and Butts Cany on Road. 213 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
  UCD47899  Ancistrocarphus filagineus R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 13 Napa Northern Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  CDA40902  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 3 of 3 Comment
  UC174197  Angelica tomentosa Katharine Brandegee 1910-7-26 Napa near Aetna Springs Comment
  HSC71976  Angelica tomentosa J. M. DiTomaso 1980-7-8 1740 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29 610 Comment
  HSC71987  Angelica tomentosa J. M. DiTomaso 1980-9-9 1980 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29, 10.6 mi N of Calistoga 610 Comment
  CAS-BOT-BC273164  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade 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
  JEPS43777  Antirrhinum majus J. A. Marinovich 1964-5-8 18 Napa sw of Monticello Dam (along Hwy 128, between Monticello Dam and junction with Hwy 37, along creek e of hwy) 182 Comment
  UCD149674  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum 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
  JEPS5341  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson Jul 1892 21312 Napa Napa Valley Comment
  JEPS112546  Antirrhinum virga Jake Ruygt 1986-5-18 1775 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 463 Comment
  JEPS5286  Antirrhinum virga Willis L. Jepson 1893-6-26 21298 Napa Howell Mt. Napa River Basin (above Toland House) Comment
  UC147871  Antirrhinum virga J. P. Tracy 1899-6-18 368 Napa 3-4 mi e Angwin's (La Jota Plateau, Head of Moore's Creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC521687  Antirrhinum virga Joseph Andorfer Ewan 1933-9-17 8017 Napa near Stevenson Memorial (Mt. St. Helena); Mt. St. Helena 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
  JEPS104565  Apium graveolens Jake Ruygt 1981-7-19 1066 Napa Fagan's Marsh 1 Comment
  UC1196199  Aquilegia eximia Joseph P. Tracy Jul 2 1899-Jul 5 1899 353 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. Comment
  UC382607  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi n Pope Valley Comment
  JEPS2729 Image available Aquilegia eximia J. P. Tracy Jul 5 1899-Jul 9 1899 353 Napa head Flat Creek (down from Moore's Creek Canyon); Howell Mt.; Head of Flat Creek, Howell Mt. Comment
  JEPS53025  Arabis glabra Willis L. Jepson 1893-4-25 13387 Napa near St. Helena (Bed of Sulphur Springs Creek); Sulphur Springs Creek Comment
  CDA24648  Arabis glabra var. glabra R. Lawley 1967-7-1 Napa 1806 Jefferson, Napa. 0 Comment
  SFV5090  Aralia californica B. C. Templeton 1957-6-26 s. n. Napa Calistoga. Near Hill and Connors Ranches. Comment
  CAS-BOT-BC128664  Arbutus menziesii Peter H. Raven 1964-5-9 19059 Napa Edge of redwood gorve along dirt road 2 miles west of Aetna Springs Comment
  UC876364  Arbutus menziesii Alice Eastwood 1922-3-25 11105 Napa Calistoga Comment
  UCD20033  Arbutus menziesii C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1205 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  JEPS40130  Arceuthobium campylopodum W. L. J. 1897-7-12 Napa Samuel's Springs Comment
  UC403206  Arceuthobium campylopodum W. L. Jepson 1895-12-26 Napa Conn Valley Comment
  UCD118348  Arceuthobium campylopodum Reed Crane; 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
  JEPS40129  Arceuthobium campylopodum W. L. Jepson Oct. 1893 Napa Conn Valley Comment
  JEPS38631  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14695 Napa first summit Napa River Basin, Mt. St. Helena Comment
  SD20479  Arctostaphylos canescens H. E. McMinn 1936-4-4 4395 Napa Ridge above R. L. Stephenson's Monument; Mt. St. Helena. Comment
  UCD82610  Arctostaphylos canescens Ellen Dean; T. Starbuck 2009-5-4 5548 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC23961  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1963-9-23 105 Napa Near quarry, near Lake County Line, Mt. St. Helana. Adjacent to Silverado State Park. Comment
  CAS-BOT-BC23977  Arctostaphylos canescens subsp. canescens H. E. McMinn 1922-3-27 50 Napa Mt. St. Helena Comment
  CAS-BOT-BC23992  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa On saddle about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  CAS-BOT-BC23994  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1859 Napa Mt. St. Helena, just above toll house. Comment
  CAS-BOT-BC23997  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC24020  Arctostaphylos canescens subsp. canescens Peter H. Raven 1953-2-21 5191 Napa Wooden Valley Grade 274 Comment
  CDA11262  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11917 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  RSA252159  Arctostaphylos canescens subsp. canescens Gary D. Wallace 1974-12-23 1346 Napa SE of Mt. St. Helena along Hwy 29 just N of Robert Louis Stevenson St. Pk. 610 Comment
  RSA52469  Arctostaphylos canescens subsp. canescens I. L. Wiggins 1949-4-30 12082 Napa On saddle bout 1.5 mi. from summit of Mt. St. Helena. Comment
  UC571090  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-1-2 2612 Napa Toll House Canyon Mount St. Helena (near summit of mt.) Comment
  JEPS122794  Arctostaphylos glandulosa Jake Ruygt 2008-5-3 5318 Napa Mt. St. Helena along fire trail, south side. QUAD: Detert Reservoir. Comment
  CAS-BOT-BC23102  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-7-13 5351 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC23145  Arctostaphylos glandulosa subsp. glandulosa Carl B. Wolf 1928-5-4 1861 Napa Mt. St. Helena Comment
  UCR228649  Arctostaphylos glandulosa var. cushingiana Ellen Dean, Stephen Rae 2008-5-21 4981 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 268 Comment
  CAS-BOT-BC24430  Arctostaphylos manzanita R. H. Halse 1987-2-22 3377 Napa Along State Hwy. 29 about one third mi. n. of its junction with Tubbs Lane, just n. of Calistoga. 51 Comment
  RSA355181  Arctostaphylos manzanita L. F. LaPre 1985-4-24 355181 Napa Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. Line and S of Three Peaks. Comment
  UCD118157  Arctostaphylos manzanita Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. 0.1 mile northeast of fire station, along undeveloped road, north side of road. 519 Comment
  UCD48882  Arctostaphylos manzanita E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd. on the top of a W-facing slope. 233 Comment
  CAS-BOT-BC24283  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-12-26 s.n. Napa Napa River Basin, St. Helena. Comment
  CAS-BOT-BC24285  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1928-3-24 2861 Napa Grade in old road to lake Co. above Calistoga. Comment
  CAS-BOT-BC38730  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-5-21 11311 Napa Hills east of Napa Comment
  CAS-BOT-BC38738  Arctostaphylos manzanita subsp. manzanita John H. Thomas 1955-5-22 5185 Napa Along St. Helena Road and West Creek, 1.2 miles west of Sonoma - Napa County line, about 6 miles from St. Helena. 457 Comment
  CAS-BOT-BC38758  Arctostaphylos manzanita subsp. manzanita C. C. Parry 1888-2-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC38761  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa Wooden Valley Grade Comment
  CAS-BOT-BC38772  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-14 15495 Napa About 3 miles east of Calistoga, near the foot of the grade up Mt. St. Helena on a steep clay bank. Comment
  CAS-BOT-BC38774  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade 2 miles below hawkins Mountain Camp. Comment
  UC572658  Arctostaphylos manzanita subsp. manzanita Herbert B. Kaufner 1937-2-26 9 Napa Upper Mill Creek Canyon 335 Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43837  Arctostaphylos stanfordiana C. C. Parry 1887-3-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC43841  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CAS-BOT-BC43857  Arctostaphylos stanfordiana Alice Eastwood; John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade Comment
  CAS-BOT-BC43866  Arctostaphylos stanfordiana Alice Eastwood 1922-5-5 11302 Napa Mt. St. Helena Comment
  CAS-BOT-BC43870  Arctostaphylos stanfordiana Alice Eastwood 1922-5-4 11276 Napa Mt. St. Helena Comment
  HSC7719  Arctostaphylos stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  UC1220984  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi w Aetna Springs Comment
  UCD37946  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile W of Aetna Springs. Comment
  UCD73391  Arctostaphylos stanfordiana subsp. decumbens 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
  JEPS106412  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1977-3-27 161 Napa Mt. St. Helena 853 Comment
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  POM195577  Arctostaphylos stanfordiana subsp. stanfordiana H. P. Bracelin 1930-3-23 s.n. Napa 1 1/2 mi. S.E. of Mt. St. Helena. Comment
  POM263487  Arctostaphylos stanfordiana subsp. stanfordiana J. C. Roos 1939-1-21 300 Napa Angwin. 366 Comment
  RSA181909  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1936-12-7 17992 Napa Howell Mt. Comment
  UC2026413  Arctostaphylos stanfordiana subsp. stanfordiana Louis C. Wheeler 1952-8-30 6876 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  HSC7715  Arctostaphylos viscida Greg Bos 1963-3-3 27 Napa Putah Creek entrance to Lake Berryesa 152 Comment
  UCD52192  Arctostaphylos viscida R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek. Comment
  UCD52567  Arctostaphylos viscida Beecher Crampton 1970-4-15 8558 Napa north end of Capell Valley, State Hwy. 128. Comment
  JEPS38759  Arctostaphylos viscida subsp. viscida W. L. Jepson 1920-7-12 9067 Napa near old Chiles Mill; Chiles Creek Comment
  JEPS78439  Arctostaphylos viscida subsp. viscida Edward Lee 1936-3-15 1808 Napa Rutherford-Pope Valley Rd 10.7 mi out Rutherford Comment
  SBBG19109  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2036 Napa 6 mi S of Pope Valley on the lake rd 335 Comment
  JEPS32455  Aristolochia californica Willis L. Jepson 1900-3-9 507 Napa Stone Bridge, St. Helena Napa R. Basin, St. Helena Comment
  POM279325  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
Read comments
Sep 12 2013
  RSA339719B  Aristolochia californica F. R. Fosberg 1967-9-10 48642 Napa Near Haven place above St Helena Comment
  UC185097  Aristolochia californica H. P. Chandler 1907-5-30 7599 Napa St. Helena, White Sulphur Spring Comment
  UC55942  Aristolochia californica J. P. Tracy 1902-5-20 1561 Napa 3 - 4 mi. e. Angwin's (1 mi. from St. Helena, along Howell Mt. rd., head of Moore's Creek); Howell Mt., Moore's Creek 152 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
  UCD48560  Aristolochia californica C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 7 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail, 45 ft. NW of jct with West Rd. 152 Comment
  CAS-BOT-BC400453  Aristolochia californica Laura Huffine 1929-4-1 s.n. Napa Berryessa Valley Comment
  UC166074  Arnica discoidea J. P. Tracy 1905-7-6 2224 Napa 3-4 mi e of, head of Moore's Creek Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD129045  Arnica discoidea Beecher Crampton 1965-6-17 7406 Napa Solano-Napa Counties:Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD161606  Arnica discoidea Jake Ruygt 1999-5-17 4159 Napa Wild Horse Valley Ranch, near Leoma Lakes. 429 Comment
  SEINET6793899 Image available Artemisia pycnocephala Leila M. Shultz, John S. SHultz 1987-1 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  CAS-BOT-BC478837  Asparagus officinalis Peter H. Raven 1955-8-27 8759 Napa Cuttings Wharf 3 Comment
  CAS-BOT-BC69617  Aspidotis densa Peter H. Raven 1953-4-19 5325 Napa Soda Creek, e. of Chiles Valley. 182 Comment
  UCD163270  Aspidotis densa D. Slakey; CNPS Volunteers 2015-4-25 115 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCD38369  Astragalus breweri Beecher Crampton 1955-4-4 2387 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  HSC103541  Astragalus breweri Thomas W. Nelson, Jane Nelson 1981-4-14 6391 Napa Junction of Morgan Valley and Devil's Head Roads. 457 Comment
  CAS-BOT-BC178660  Astragalus claranus D. O. Hunt 1922-4-19 s.n. Napa Near St. Helena Comment
  JEPS107257  Astragalus claranus Jake Ruygt 1993-5-14 3261 Napa Lewelling Ranch, west end of Lewelling Lane, St. Helena 97 Comment
  JEPS107258  Astragalus claranus Jake Ruygt 1993-4-10 3188 Napa Lewelling Ranch,south of Sulphur Springs Road., St. Helena 109 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
  UCD148842  Astragalus gambelianus Ellen Dean; Diana Hickson 2014-4-29 8147 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD170808  Astragalus gambelianus 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  CAS-BOT-BC193129  Astragalus rattanii var. jepsonianus David D. Keck 1933-5-29 2361 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC27754  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  JEPS100901  Astragalus rattanii var. jepsonianus Dean W. Taylor 1998-5-14 16434 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  RSA121722  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UC862608  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs; ; Walter Springs, Napa Co. Comment
  UCD75827  Astragalus rattanii var. jepsonianus Jake Ruygt 1998-4-18 3912 Napa west end of new Walter Springs bridge. 176 Comment
  SEINET3165955  Athysanus pusillus C. D. Bailey 2008-3-19 260 Napa East of the town of Napa along Combsville Rd. Follow onto Wild Horse Valley Rd. as Combsville Rd. comes to an end. Ca. 1 mile up Wild Horse Valley Rd. on a road cut. 183 Comment
  UCD148789  Athysanus pusillus Ellen Dean; Diana Hickson 2014-4-29 8097 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC17536  Athysanus pusillus Peter H. Raven 1953-4-2 5273 Napa Hill west of Tulucay Creek. 243 Comment
  UCD148773  Atriplex prostrata Jake Ruygt 1978-9-8 406 Napa Napa County; Napa; Marina Dr. at Napa River. 0 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
  UC1536745  Baccharis pilularis G. H. True Jr. 1937-10-12 841 Napa near Lokoya Lodge 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
  CDA11627  Baccharis salicifolia G. F. Hrusa, S. Larson 1995-4-1 12055 Napa North Coast Biodiversity Arena; along Chiles Valley-Pope Valley Rd. approx 2 miles E of Lake Hennessey. Comment
  JEPS104572  Balsamorhiza sericea Jake Ruygt 1988-5-29 2189 Napa east tributary of Sensitive Plant Canyon 414 Comment
  CAS-BOT-BC16525  Barbarea orthoceras Peter H. Raven 1964-5-9 19068 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  CAS-BOT-BC16530  Barbarea orthoceras Peter H. Raven 1952-5-26 4053 Napa Howell Mountain (east side). 304 Comment
  CDA11618  Barbarea orthoceras G. F. Hrusa, G. L. Stebbins 1994-3-11 11601 Napa North Coast Biodiversity Arena; Ink Grade, approx. 2 m. NE of Angwin. Comment
  JEPS42569  Barbarea orthoceras W. L. Jepson 1924-4-6 10319 Napa Howell Mountain Napa RAnge 914 Comment
  UCD161752  Barbarea orthoceras Jake Ruygt 1996-4-12 3605 Napa Blue Ridge, north of Monticello Dam, Rockwell Gap area. 615 Comment
  CAS-BOT-BC474765  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve. Hunting Creek between Hunting Creek Campground and contractor road 365 Comment
  CDA6268  Bellardia trixago T. C. Fuller 1958-5-1 3729 Napa Northeast corner, Highways 29 & 21, 6 miles south of Napa. 0 Comment
  JEPS11299  Bellardia trixago W. L. Jepson 1938-5-15 18782 Napa 0.5 mi n Napa Wye Comment
  UCD122106  Bellardia trixago J. M. Tucker 1952-5-17 s.n. Napa ca. 7 miles southwest of Napa. Comment
  JEPS106879  Berberis aquifolium var. dictyota Jake Ruygt 1992-3-28 2869 Napa small tributary to Butts Creek, near Berryessa Estates 161 Comment
  JEPS47755  Berberis nervosa W. L. Jepson 1894-1 10386 Napa canyon e slope Mt St Helena (below Toll House) Comment
  CAS-BOT-BC75846  Berberis pinnata L. R. Abrams 1928-5-3 12255 Napa Summit Saint Helena Grade. 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
  CHSC103023  Brickellia californica Lowell Ahart 2009-10-12 16417 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD121153  Briza maxima Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7349 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  JEPS7693  Brodiaea appendiculata W. L. Jepson 1923-4-29 9899 a Napa St. Helena 91 Comment
  JEPS110909  Brodiaea elegans subsp. elegans Jake Ruygt 1976-5-17 87 Napa .3 mile east of Hillcrest Dr. on Westgate Drive 79 Comment
  UCD139136  Brodiaea elegans subsp. elegans Heidi E. M. Dobson 1978-6-14 338 Napa Mt. Veeder. Comment
  CAS-BOT-BC484197  Brodiaea elegans var. elegans Betty H. Johnson 1958-6-15 623 Napa Near St. Helena River, 6.4 mi S.W. of Middletown Comment
  CAS-BOT-BC486433  Brodiaea terrestris subsp. terrestris Peter H. Raven 1957-5-5 10750 Napa Near the hot springs, Calistoga 91 Comment
  UCD112240  Bromus Christopher Mallek 2008-5-12 AS2- 11 Napa Aetna Springs. 668 Comment
  UCD149594  Bromus Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD57978  Bromus carinatus Beecher Crampton 1956-5-25 3473 Napa Southeastern Capell Valley. Comment
  SEINET238874 Image available Bromus carinatus var. carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD59484  Bromus diandrus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3548 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS123009  Bromus hordeaceus Jake Ruygt 1977-4-24 195 Napa West of Pope Valley Elementary School on Butts Canyon Road. Quad: Saint Helena. Comment
  UCD58629  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3542 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCD58700  Bromus hordeaceus Beecher Crampton 1965-6-30 7414 Napa Solano-Napa Counties: Summit of Mt. Vaca. Vaca Mtns. 872 Comment
  UCD58810  Bromus hordeaceus R. Tofsrud 1949-5-5 s.n. Napa Near Basalt. Comment
  JEPS123004  Bromus laevipes Jake Ruygt 1987-5-9 1972 Napa 1 mile east of Atlas Peak Road on Monticello Road. Quad: Mount George. Comment
  JEPS75634  Bromus laevipes W. L. Jepson 1936-5-28 17541 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UC1010990  Bromus laevipes Virginia Bufford 1936-5-20 321 Napa Calistoga-Healdsburg Highway at Sonoma-Napa County line Calistoga-Healdsburg Highway; , Sonoma-Napa County line Comment
  UC767067  Bromus laevipes R. F. Hoover 1941-4-26 4919 Napa between Samuel Springs and Walter Springs (Pope Creek Canyon); Pope Creek Canyon Comment
  UCD58878  Bromus laevipes Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  UCSC000048  Bromus laevipes August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena 4-5 miles South East of Middleton Comment
  SACT000578  Bromus mollis John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  CHSC61248  Bromus porteri J. Lund 1980-4-12 Napa On Hwy 29, 4.5 miles west of Robert Lewis Stevenson State Park. 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
  UCD59601  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa Cemetery, Napa. Comment
  CAS-BOT-BC161529  Bromus tectorum Peter H. Raven 1953-5-2 5389 Napa Hills due east of Yountville. 243 Comment
  UCD37118  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa Napa County, north end of Capell Valley, along Highway 128, above Capell Creek. Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  UCD159921  Calandrinia breweri 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
  JEPS120377  Calendula arvensis Jake Ruygt 1980-3-31 823 Napa end of McLean St., Napa Comment
  CAS-BOT-BC488486  Calochortus amabilis John H. Thomas 1955-5-21 5119 Napa Sarco Creek drainage, near State Highway no. 37, about 6 miles from Napa 274 Comment
  CHSC83372  Calochortus amabilis L. P. Janeway; B. Castro 2002-5-12 7550 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  JEPS61629  Calochortus amabilis W. L. Jepson 1943-5-15 20775 Napa Knoxville Ridge Comment
  POM169353  Calochortus amabilis Joseph P. Tracy 1902-5-15 1480 Napa Head of Moores Creek, 3-4 mi E of Angwins. 366 Comment
  RSA377263  Calochortus amabilis Robert Gustafson, Don Reynolds 1983-6-7 2732 Napa Howell Mtn. Rd., about 1 1/2 mi N of Angwin. 488 Comment
  UCD48265  Calochortus amabilis R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 5 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryesssa Road, on Southeast side of Devilhead Road. 515 Comment
  CAS-BOT-BC488482  Calochortus amabilis E. Ruckert 1960-4-17 100 Napa 6495 Dry Creek Road, high in meadow to southwest of road leading in to property. 396 Comment
  CAS-BOT-BC488491  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  RSA41934  Calochortus amabilis Ella Dales Cantelow 1939-4-8 3961 Napa Lower Lake Road 10 3/10 mi W of jct Pope Creek Rd. 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
  RSA292924  Calochortus luteus Reino Alava 1957-5-30 974 Napa Napa-Solano county line; Route 128 Comment
Read comments
Oct 30 2013
  UCD170363  Calochortus luteus Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 861 Napa Knoxville Wildlife Area, south of Nevada Creek. 450 Comment
  CAS-BOT-BC492541  Calochortus luteus Alice Eastwood 1915-6-5 4629 Napa Calistoga Comment
  JEPS61728  Calochortus superbus W. L. Jepson 1904-6-3 2432 Napa St. Helena to Howell Mt. (Howell Mt. foothills) Comment
  UC768703  Calochortus tolmiei R. F. Hoover 1941-4-27 4951 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC483610  Calochortus tolmiei Ira L. Wiggins 1949-4-30 12092 a Napa Mount St. Helena near Lake County Line Comment
  CAS-BOT-BC132622  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa Geysers just NW. of Calistoga, northwestern Napa County 110 Comment
  UC1876218  Calycadenia fremontii Gerald D. Carr 1971-9-20 666 Napa 4.2 mi N of Spanish Flat on Knoxville-Berryessa Rd. 152 Comment
  SEINET3863994  Calycadenia fremontii G. D. Carr 1971-8-6 616 Napa Lower Chiles Valley Rd, 1.3 mi N of its jct with Hwy 128, 11 mi SE of Pope Valley, on E slope.; 0 313 Comment
  UC1876225  Calycadenia fremontii Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Rd., 11.3 mi SW of Berryessa-Knoxville Rd. Via Devilhead Rd. Comment
  UC1876236  Calycadenia fremontii Gerald D. Carr 1971-10-23 681 Napa 1/4 mi W of Berryessa-Knoxville Rd on Hwy 128. Comment
  RSA255531  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles north of Spanish Flat on Knoxville-Berryessa Road 152 Comment
  RSA255601  Calycadenia pauciflora Gerald D. Carr 1971-8-6 620 Napa Lake Hennessy, Hwy. 128, 1.7 miles SW of Chiles-Pope Valley Road Comment
  CAS-BOT-BC270840  Calycadenia pauciflora J. Clausen 1935-5-22 1064 Napa 19.5 miles SE of Lower Lake on the Monticello Road, on slope near road, facing SE at bend in road Comment
  POM180990  Calycadenia pauciflora J. T. Howell 1930-10-19 5626 Napa 5 miles north of Aetna Spring near Napa-Lake County line Comment
  POM298248  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lowerlake Comment
  RSA255530  Calycadenia pauciflora Gerald D. Carr 1971-9-20 665 Napa 0.8 miles SE of Berryessa-Knoxville Road on Hwy. 128 213 Comment
  RSA255533  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  RSA255600  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road Comment
  UCD129823  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 1/4 mile west of Berryessa-Knoxville Road on Highway 128. Comment
  UCD129906  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road, 125 yards north of road. Comment
  JEPS120378  Calycadenia truncata Jake Ruygt 2004-7-31 4634 Napa Buzzards Roost, east of Stags Leap Comment
  CAS-BOT-BC271565  Calycadenia truncata subsp. truncata Alice Eastwood 1918-9-3 7955 Napa Mt. St. Helena Comment
  CAS-BOT-BC271574  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271598  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-14 11945 Napa Howell Mt. Comment
  CAS-BOT-BC90962  Calycanthus occidentalis D. E. Breedlove 1980-6-27 44784 Napa 2.2 miles west of Calistoga at Highway 128 on road to Santa Rosa. Comment
  JEPS40317  Calycanthus occidentalis W. L. Jepson 1910-3-28 4030 Napa sw of Calistoga (Rebecca Ranch Grade); Spring Mountain Range Comment
  RSA456153  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  SBBG2303  Calycanthus occidentalis H. E. Cott 1949-5-22 A- 127 Napa St Hwy 37, ca. 15 mi N of Napa Comment
  SBBG2304  Calycanthus occidentalis E. R. Blakley 1956-12-23 2016 Napa base of Linda Falls, Angwin 426 Comment
  SJSU449  Calycanthus occidentalis H. H. Anderson 1939-5-15 Napa Mt St Helena Comment
  UCD137894  Calycanthus occidentalis P. B. Kaufman 1950-4-28 37 Napa Putah Canyon. Comment
  UCR198051  Calycanthus occidentalis Lisa Montany 1985-6-1 33 Napa Hwy 128, 0.5 mi west of Conn Dam, north of road in clearing near creek 76 Comment
  UCSB12599  Calycanthus occidentalis Haller, John 1961-6-18 Napa Bank of Napa River intersection of St. Helena-Angwin road with Silverado Trail Road, about 1.5 mi. N of St. Helena 76 Comment
  JEPS31603  Calystegia collina subsp. collina W. L. Jepson 1938-5-24 18841 Napa Howell Mtn. Comment
  JEPS106397  Calystegia collina subsp. oxyphylla Jake Ruygt 1986-6-1 1801 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  CAS-BOT-BC436420  Calystegia occidentalis Peter H. Raven 1952-5-29 4085 Napa Napa River, 1 mi. N of Napa 60 Comment
  UCD126140  Calystegia occidentalis M. Ensign 1943-5-28 315 Napa About 12 miles from Monticello on road to Lower Lake. Comment
  UCD126156  Calystegia occidentalis Jack Major 1961-6-13 544 Napa Monticello Dam, State Highway 128. Comment
  UCD160804  Calystegia occidentalis subsp. occidentalis Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8684 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  SBBG5771  Calystegia purpurata H. and M. Dearing 1939-5-3 3269 Napa Rutherford-Sage Cyn Rd Comment
  UCD48865  Calystegia purpurata A. Collier; D. Caterson and S. Kenady 2002-5-4 11 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 3 m. Moderate slope, E-facing. 341 Comment
  JEPS106402  Calystegia purpurata subsp. purpurata Jake Ruygt 1989-6-3 2363 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  UCD148997  Calystegia purpurata subsp. purpurata D. Woods; V. Popescu 2010-6-28 s.n. Napa along Devilshead-Knoxville Road. 450 Comment
  UCD114109  Camelina sativa J. C. Sweet 1917-5-3 s.n. Napa Napa County. Comment
  JEPS122730  Camissonia contorta Jake Ruygt 1991-5-11 2666 Napa Intersection Aetna Extension Road with Oat Hill Mine Road. Quad: Detert Reservoir. Comment
Read comments
Jun 18 2018
  HSC43993  Camissonia hirtella Robert M. Specht 1977-4-15 668 Napa Near edge of Rd. to Adams Creek 409 Comment
  UC1196942  Camissoniopsis hirtella J. P. Tracy 1902-5-16 1508 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  JEPS106555  Campanula angustiflora Jake Ruygt 1992-5-15 2959 b Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UC735049  Campanula angustiflora Lincoln Constance, J. F. Davidson, W. H. Wagner and R. H. Shan 1946-5-18 3045 Napa se slope of mountain near old inn; Mount St. Helena Comment
  SEINET10463187  Campanula prenanthoides Grummer 1979-6-21 GRUMMER 1250 Napa NR BOTHE NAPA VALLEY STATE PARK, ON CALISTOGA QUAD., NR CALISTOGA 1001 Comment
  UC168960  Campanula prenanthoides Joseph P. Tracy 1905-7-6 2223 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  SEINET10463224  Campanula prenanthoides Tracy 1905-7-6 TRACY 2223 Napa Howell Mountain; on hills at head of Moore's Creek, 3-4 miles east of Angwin's 457 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
  UCD74395  Cardamine californica Jake Ruygt 2000-3-18 4220 Napa Pope Valley; Butts Canyon Rd. south of Aetna Springs Rd. 211 Comment
  RSA633345  Cardamine hirsuta Michael A. Vincent, Ethan H. Freid 1998-4-7 8168 Napa Along Rt. 128 at road marker 24/80 Comment
  CAS-BOT-BC37858  Cardamine oligosperma Peter H. Raven 1953-3-29 5216 Napa Hills east of Imola. 121 Comment
  CDA6880  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 Napa State Highway 53 to Middletown, 2.5 miles north of Calistoga. 0 Comment
  UCD38974  Carduus pycnocephalus Beecher Crampton 1961-6-12 5897 Napa Wragg Canyon, Vaca Mts. along State Hwy. 128. Comment
  CAS-BOT-BC281732  Carduus pycnocephalus Betty H. Johnson 1958-6-15 627 Napa 6.4 miles SW of [unreadable] Comment
  UC1618049  Carex aquatilis Donald G. Nelson 1936-4-1 128 Napa along trail to Green Valley Falls Comment
  CHSC52543  Carex aurea L. P. Janeway 1989-7-13 3492 Napa Plumas National Forest. Slope, above Jackson Cr and above rd 23N06 1.6 mi from Penman Saddle. Comment
  CAS-BOT-BC19171  Carex barbarae Peter H. Raven 1950-5-6 2038 Napa South limits of Calistoga. On Rt. 28. 60 Comment
  UC826509  Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa in a canyon NW of Napa 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
  UCD161787  Carex bolanderi Jake Ruygt 1994-5-17 3384 Napa Linda Falls, Angwin. 402 Comment
  CAS-BOT-BC18902  Carex densa Joseph Prince Tracy 1938-6-5 15836 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's. 457 Comment
  CAS-BOT-BC35072  Carex densa Peter H. Raven 1951-6-10 2948 Napa Crater Region of Palisades. 762 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
  CAS-BOT-BC18904  Carex densa Wilhelm Nikolaus Suksdorf 1913-7-28 698 Napa North of Napa. Comment
  CAS-BOT-BC35074  Carex densa Peter H. Raven 1950-5-6 2019 A Napa Near Rt. 29, on Old Faithful Geyser road 2 miles north of Calistoga. Comment
  JEPS121324  Carex feta Jake Ruygt 1992-5-20 2990 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Comment
  JEPS63727  Carex feta W. L. Jepson 1918-6-24 7666 Napa half way to tollhouse from Calistoga; Mt. St. Helena, Silverado 109 Comment
  UC1152078  Carex gracilior Joseph P. Tracy 1949-4-22 18287 Napa e St. Helena; Conn Valley Reservoir 91 Comment
  CAS-BOT-BC32051  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road above Pope Valley. Comment
  CAS-BOT-BC119519  Carex nudata Ira L. Wiggins 1932-3-12 5753 Napa Rocky bed of N fork of Napa River, 1 mi N of Calistoga. Comment
  HSC7156  Carex nudata Alice Eastwood, J. T. Howell 1937-4-4 3826 Napa Near summit N of Wooden Valley Comment
  UCD161614  Carex nudata Jake Ruygt 2002-3-23 4370 Napa Snell Valley, Missimer Wildflower Preserve. 219 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
  JEPS121329  Carex serratodens Jake Ruygt 1979-4-23 542 Napa 2.1 miles east of Silverado Trail on Hwy 128 100 Comment
  RSA98669  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon. 244 Comment
  SEINET10847050  Carex teneriformis Lewis S. Rose 1935-6-4 Rose 35206 Napa E. slope Mt. St. Helena. Comment
  UCD161634  Carex tumulicola Jake Ruygt 2005-3-20 4707 Napa Alston Park, Dry Creek Road, Napa. 45 Comment
  UCD149566  Carya illinoinensis 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
  HSC20481  Castilleja affinis Greg Bos 1963-3-3 25 Napa W shore lake Berryesa, west slope 457 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
  RSA128552  Castilleja affinis Peter H. Raven 1952-5-26 4071 Napa E. side Wooden Valley Grade. 305 Comment
  RSA505374  Castilleja affinis R. C. Bacigalupi, Jon Dawson 1955-4-25 4843 Napa Along Conn Creek road, about 0.75 mile below (w. of) Lake Hennessey Dam. 79 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
  UC103530  Castilleja affinis subsp. affinis Mrs. Goetsche 1901-5-1 Napa Angwin Comment
  UC1281079  Castilleja affinis subsp. affinis H. E. McMinn 1923-5-25 959 Napa between Rockville and Wooden Valley; Suisun Creek Comment
  UC1301210  Castilleja affinis subsp. affinis Helen K. Sharsmith 1963-4-20 5355 Napa above Wooden Valley (on Monticello, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  JEPS110618  Castilleja affinis subsp. neglecta Jake Ruygt 1982-5-8 1231 Napa north side American Canyon above quarry 152 Comment
  JEPS128906  Castilleja ambigua var. meadii Jake Ruygt 1987-5-7 1967 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. 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
  JEPS47329  Castilleja applegatei subsp. martinii L. R. Heckard and R. Bacigalupi 1965-5-15 1457 Napa about 3.5 air mi se Knoxville (at head of the falls on Zim Zim Creek); Zim Zim Creek 365 Comment
  JEPS57375  Castilleja applegatei subsp. martinii L. R. Heckard and T. I. Chuang 1968-6-18 1941 Napa 1 mi below Ink Grade junction with Howell Mt. road (Ink Grade, ne of Angwin) 457 Comment
  RSA195298  Castilleja applegatei subsp. martinii Gilbert Muth 1967-5-17 680 Napa Oat Hill Road, Calistoga. 671 Comment
  UCD67493  Castilleja applegatei subsp. martinii D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  JEPS5776  Castilleja applegatei subsp. martinii J. R. Sweeney 1954-3-17 1084 Napa near Mt. St. Helena (about 1.5 mi s of road summit, along Calif Highway 29, on the Lake County grade over Mt. St. Helena summit) 487 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
  OBI54929  Castilleja applegatei subsp. martinii Kathleen Faustini 1980-5-4 27 Napa Monticello dam Comment
  UC199390  Castilleja applegatei subsp. martinii H. P. Chandler 1907-5-14 7580 Napa White Sulphur Springs; St. Helena Comment
  JEPS9878  Castilleja attenuata C. F. Sonne Apr 1888 Napa Comment
  JEPS21806  Castilleja attenuata Margaret Whitmore 1958-4-11 43 Napa 2 mi n Napa (on Atlas Peak road) 16 Comment
  JEPS122741  Castilleja densiflora subsp. densiflora Jake Ruygt 2011-5-28 5798 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  JEPS9411  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 3 Napa Napa, hills sw Napa Comment
  JEPS85018  Castilleja exserta subsp. exserta Larry Heckard and Mary Ashton 1969-5-3 2226 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the meadow) 510 Comment
  UCD160799  Castilleja foliolosa Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8679 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
  UCD48219  Castilleja foliolosa D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 10 Napa Napa County, McLaughlin Reserve, first ridgesouth of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill ca. 20 ft. from lookout tower. 548 Comment
  UCD48225  Castilleja foliolosa E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 1 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UC765676  Castilleja minor subsp. spiralis R. F. Hoover 1938-9-23 3860 Napa canyon of south fork of Butts Creek Comment
  JEPS110637  Castilleja rubicundula subsp. rubicundula Jake Ruygt 2007-5-29 2194 Napa Cedar Valley 597 Comment
  UC796624  Ceanothus confusus Ira L. Wiggins 1949-4-30 12083 Napa about 1.5 mi from Mount St. Helena, summit (on saddle) 1066 Comment
  UCD111789  Ceanothus cuneatus D. S. Totah 1948-3-18 8 Napa Putah Canyon. Comment
  UCD162091  Ceanothus cuneatus Dylan O. Burge 2014-3-15 1488 Napa Mount Saint Helena. 850 Comment
  CDA35563  Ceanothus cuneatus T. C. Fuller 1962-3-27 7897 Napa North of Hwy. 128, 5 miles west of Monticello Dam. 0 Comment
  UC18282  Ceanothus cuneatus var. cuneatus Mrs. D. O. Hunt 1899-2-27 Napa near Villa Remi, St. Helena. Glass Mt. Comment
  CAS-BOT-BC49785  Ceanothus divergens John Thomas Howell 1941-4-5 16162 Napa Franz Valley Comment
  CAS-BOT-BC49791  Ceanothus divergens C. H. M. 1907-7-27 s.n. Napa Mt. St. Helena 731 Comment
  JEPS110718  Ceanothus divergens Jake Ruygt 1979-3-25 460 Napa 1.5 miles west of HWY 29 on Whitehall Lane 128 Comment
  POM125424  Ceanothus divergens Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena. Comment
  RSA26416  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  UCD112121  Ceanothus divergens Walter Knight; Steve Edwards 1985-11-17 5186 Napa Kortum Canyon Road. Comment
  UCD73843  Ceanothus divergens Ellen Dean; S. Rae 2008-5-21 4978 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  HSC18280  Ceanothus foliosus C. B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  RSA292971  Ceanothus foliosus Reino Alava 1957-5-30 1014 Napa along the road 2.5 miles from the town of Pope Valley on the road to St. Helena Comment
  UC1005687  Ceanothus foliosus Frank W. Gould 1939-4-6 597 Napa 5 mi e Napa (just n of Mt. George.) 228 Comment
  UC338441  Ceanothus foliosus Lemmon Napa Calistoga Comment
  UC79969  Ceanothus foliosus Katharine Brandegee 1889-4 Napa Mt. St. Helena Comment
  CAS-BOT-BC50919  Ceanothus foliosus var. foliosus John Thomas Howell; Alice Eastwood 1939-6-11 7430 Napa Hills west of Calistoga Comment
  CAS-BOT-BC50921  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12260 Napa Mt. St. Helena trail Comment
  JEPS110717  Ceanothus foliosus var. foliosus Jake Ruygt 1976-5-6 59 Napa 4.3 miles NE of Westgate Dr. on Atlas Peak Rd. 408 Comment
  JEPS110861  Ceanothus integerrimus Jake Ruygt 1994-5-2 3365 Napa Butts Canyon Road, .2 mile north of Snell Valley Road 207 Comment
  SACT002931  Ceanothus integerrimus John Willoughby 1975-5-25 Napa This is the blue-flowering form which McMinn states is common in Lake County. Along BLM Road to Cedar Valley beginning north of Knoxville. Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  CAS-BOT-BC50634  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa Howell Mountain, on hills at head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  CAS-BOT-BC50637  Ceanothus jepsonii Roman Gankin 1966-2-26 678 Napa Next to roadway at gate; property west of macdonald Ranch, las Posadas State Forest Comment
  CAS-BOT-BC50641  Ceanothus jepsonii John Thomas Howell 1939-4-30 14633 Napa Walter Springs 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
  RSA399003  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Near Napa Comment
  SBBG50580  Ceanothus jepsonii R. F. Denno 1967-4-15 50 Napa 1 mi N on Lower Chiles Valley Rd off St Hwy 128 228 Comment
  UC166029  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa 3-4 mi e Angwin's (Howell Mt., hills at head of Moore's Creek.); Northern Coast Ranges 365 Comment
  UCD112064  Ceanothus jepsonii Mrs. L. Rowntree 1930-7-15 s.n. Napa Sage Canyon. Comment
  RSA285632  Ceanothus jepsonii subsp. albiflorus D. C. Michener 1982-7-25 4115 Napa Pope Valley road 1 mile N of jct with lower Chiles Valley road, 5.2 miles SE of jct tiwh Pope Canyon road Comment
  UCR43101  Ceanothus jepsonii subsp. albiflorus L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  CAS-BOT-BC83783  Ceanothus jepsonii var. albiflorus D. O. Burge; C. Miller 2007-6-12 940 b Napa Mayacmas Mountains, at roadside on Livermore Road 535 Comment
  CAS-BOT-BC83785  Ceanothus jepsonii var. albiflorus D. O. Burge 2008-6-1 1007 b Napa S of Butts Canyon, approx. 200 m E of Butts Canyon Road 340 Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  SEINET5743563 Image available Ceanothus jepsonii var. albiflorus Ithnin Bujang 1974-1 9 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. N-facing slope of hill. 204 Comment
  JEPS42435  Ceanothus jepsonii var. jepsonii W. L. Jepson 1924-4-27 10321 Napa a little below Toland House on Sanitarium Road Howell Mt. 548 Comment
  SEINET11191994  Ceanothus oliganthus var. oliganthus R. R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca. 8.7 miles W of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  CAS-BOT-BC51562  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-26 974 b Napa Along Eticuera Creek tributary to Putah Creek Comment
  CAS-BOT-BC51564  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-25 974 a Napa Between Wooden Valley and Monticello Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  RSA22077  Ceanothus oliganthus var. sorediatus L. S. Rose 1939-4-16 39067 Napa 3 miles NE of Napa. 137 Comment
  UCD112304  Ceanothus oliganthus var. sorediatus Robert C. Bechtel 1952-4-20 70 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  UCD112327  Ceanothus oliganthus var. sorediatus J. E. Street 1950-4-24 s.n. Napa 8 miles north of Wooden Valley. Comment
  UCD167159  Ceanothus oliganthus var. sorediatus Jake Ruygt 2015-3-16 6047 Napa Sutro Ranch, west side of Atlas Peak. 563 Comment
  UCD37180  Ceanothus oliganthus var. sorediatus Beecher Crampton 1958-4-22 4740 Napa Napa County, Vaca Mountains, Markley Canyon, Highway 128. Comment
  CAS-BOT-BC53179  Ceanothus parryi M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC53222  Ceanothus parryi Alice Eastwood 1918-5-1 6854 Napa Mt. St. Helena Comment
  CAS-BOT-BC53224  Ceanothus parryi Alice Eastwood; John Thomas Howell 1939-6-11 7431 Napa Hills west of Calistoga Comment
  RSA166764  Ceanothus parryi M. van Renselaer 1938-4-26 s.n. Napa Wooden Valley Grade Comment
  SBBG50604  Ceanothus parryi R. Beaver 1965-5-1 153 Napa St Hwy 128, ca. 10 mi N of jct with St Hwy 121 Comment
  UC18399  Ceanothus parryi Willis L. Jepson 1893-5-4 Napa Creek Bed w Calistoga; Creek bed w of Calistoga Comment
  UC18402  Ceanothus parryi Willis L. Jepson 1894-4-30 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga 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
  UCD112503  Ceanothus parryi M. Van Rensselaer 1938-4-26 s.n. Napa Wooden Valley Grade. Comment
  SEINET12211101  Ceanothus parryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -302 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  JEPS48864  Ceanothus prostratus Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  RSA10636  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1854 Napa Upper slopes of Mount St. Helena. Comment
  RSA10637  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1853 Napa Upper slopes of Mount St. Helena. Comment
  SEINET12210800  Ceanothus prostratus var. occidentalis W. Knight, Knight, I. 1982-1 4670 Napa Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC52186  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52199  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade east of Napa Comment
  UCR136719  Ceanothus purpureus L. S. Rose 1948-3-8 48010 Napa Wooden Valley Grade, 6 mi NE of Napa 183 Comment
  JEPS110663  Ceanothus sonomensis Jake Ruygt 1982-3-20 1134 Napa Mt. St. John 530 Comment
  UC1543130  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley Napa (n slope of George Mountain, along Sarco Creek); George Mountain, Sarco Creek 152 Comment
  SD129755  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley, north slopes of George Mountain. Alon Sarco Creek (?). 152 Comment
  UC1199121  Centaurea calcitrapa Joseph P. Tracy 1940-10-27 16797 Napa Napa City Comment
  UCSB45558  Centaurea calcitrapa Roos, John 1957-6-28 Napa Napa Comment
  JEPS44142  Centaurea cyanus W. L. Jepson 1936-7-2 17639 Napa Four Corners Napa Range, Howell Mt. Comment
  UCD149664  Centaurea melitensis 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
  JEPS122700  Centaurea virgata subsp. squarrosa Jake Ruygt with Aigner and Koehler Aug, 2005 4961 Napa Morgan Valley Road just north of road to Harrison Mine. Quad: Jericho Valley. Comment
  JEPS106531  Centaurium muehlenbergii Jake Ruygt 1996-10-19 3795 Napa Vine Village, corner of Congress Valley Rd and Oln Sonoma Rd 45 Comment
  UCD170454  Centaurium tenuiflorum Daniel Potter; Ninh Khuu 2016-6-8 883 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS106529  Centaurium trichanthum Jake Ruygt 1982-7-18 1370 Napa Cedar Roughs near Guilliam Springs 231 Comment
  UC22688  Centaurium trichanthum H. N. Bolander 1863-1 2652 Napa Pope Valley Comment
  JEPS46941  Centaurium trichanthum W. L. Jepson 1897-7-12 14638 Napa Samuels Springs to Aetna Springs Comment
  JEPS46943  Centaurium trichanthum W. L. Jepson 1918-6-24 7663 Napa Calistoga 109 Comment
  CAS-BOT-BC288607  Centromadia fitchii Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley Comment
  UCD170276  Centromadia fitchii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 810 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  CAS-BOT-BC272822  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  CAS-BOT-BC272826  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  CAS-BOT-BC279252  Centromadia pungens subsp. pungens Peter H. Raven 1951-9-9 3898 Napa Near Slaughterhouse Pt., Napa River 0 Comment
  CAS-BOT-BC279256  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  HSC4108  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  UCD73508  Ceratophyllum demersum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC179385  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Hwy 128, about 4.5 miles south of Monticello. 167 Comment
  RSA107846  Cercis occidentalis L. S. Rose 1955-4-4 55044 Napa Putah Creek, near Monticello, Canyon slopes Comment
  UCR146182  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa Inner North Coast Ranges, 9 miles east of Rutherford on State Hwy 128 183 Comment
  CAS-BOT-BC135482  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13063 Napa Wooden Valley Grade Comment
  JEPS44709  Cercocarpus betuloides var. betuloides W. L. Jepson 1937-4-10 17999 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UC419739  Cercocarpus betuloides var. betuloides Mrs. H. P. Bracelin 1930-7-13 26 Napa s slope of Mount St. Helena Comment
  UC26097  Cestrum parqui unknown 1893-1 Napa Napa City Comment
  CAS-BOT-BC284574  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-20 2852 Napa Hills W. Oakville 548 Comment
  POM182724  Chaenactis glabriuscula var. heterocarpha D. D. Keck 1931-4-3 1063 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UCD161367  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1989-4-22 2285 Napa Northeast corner of Highway 128 and Berryessa Knoxville Road. (Coordinates estimated by label maker at UC Davis). 207 Comment
  POM54141  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville. Comment
  UCD130360  Chaenactis glabriuscula var. heterocarpha Robert E. Preston 1988-4-10 575 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, 268 Comment
  SBBG128695  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa below high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera Parking Area at NE end of causeway on S side of Berryessa Knoxvill Rd, ca. 20 mi (air) NW of Winters 130 Comment
  UC1093986  Cheilanthes intertexta Herbert L. Mason 1925-1-22 1209 Napa Wooden Valley Grade Comment
  UCD149718  Chenopodium Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  JEPS106825  Chenopodium ambrosioides Jake Ruygt 1978-9-19 416 Napa Napa River south of Trancas St., Napa 3 Comment
  JEPS59710  Chenopodium ambrosioides W. L. Jepson 1894-11-7 Napa St. Helena Comment
  JEPS59711  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa St. Helena Comment
  SEINET5763970 Image available Chenopodium ambrosioides H. S. Reed 1948-1 2029 Napa Berryessa Valley, 2 mi N of Monticello 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
  JEPS106722  Chenopodium californicum Jake Ruygt 1980-3-2 816 Napa Snell Valley 176 Comment
  JEPS59730  Chenopodium californicum Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UCD161538  Chenopodium macrospermum Jake Ruygt 1991-9-23 2844 Napa Napa River, north of Slaughterhouse Point. 1 Comment
  UC924253  Chenopodium multifidum H. S. Reed 1948-11-5 2028 Napa 2 mi n Monticello; Berryessa Valley Comment
  JEPS120401  Chenopodium vulvaria Jake Ruygt 1996-6-1 3727 Napa Hwy 128 about 3/4 mile north of Turtle Rock Cafe. Comment
  UCD98466  Chenopodium vulvaria Irving Grover 1958-6-24 Napa exact location unknown. Comment
  UCD48758  Chlorogalum pomeridianum M. Eng 2002-5-4 7 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 297 Comment
  UCD54265  Chlorogalum pomeridianum var. pomeridianum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 26 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC238001  Chloropyron molle subsp. molle Peter H. Raven 1952-8-26 5138 Napa Nr. Bentley Wharf 15 Comment
  CAS-BOT-BC256933  Chorizanthe membranacea M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS110751  Chorizanthe membranacea Jake Ruygt 1996-4-12 3607 Napa Blue Ridge, north of Monticello Dam. Portuguese Canyon. 487 Comment
  JEPS110783  Chorizanthe membranacea Jake Ruygt 1988-5-29 2203 Napa between Adams Ridge and Mysterious Valley 536 Comment
  UCR261728  Chorizanthe membranacea Ann Howald 2003-5-23 2339 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  JEPS116818  Chorizanthe polygonoides var. polygonoides David Gowen 2009-4-24 998 Napa Robert Louis Stevenson State Park, southeast of summit of Hwy 29, in the Table Rock area. Comment
  JEPS120358  Chorizanthe stellulata Jake Ruygt 2010-5-13 5550 Napa Snell Valley, Missimer Preserve. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC36499  Chrysolepis chrysophylla Alice Eastwood 1915-6-6 4699 Napa Mt. St. Helena Comment
  CAS-BOT-BC285218  Cichorium intybus J. H. Thomas 1960-8-29 8837 Napa About 1 mile north of Calistoga along highway number 53 Comment
  UC521765  Cichorium intybus Joseph Andorfer Ewan 1933-9-17 7998 Napa Napa Napa Valley Comment
  UCD38384  Cichorium intybus B. Crampton 1952-11-18 956 Napa About 4 miles n. of Vallejo on road to Napa. Comment
  CAS-BOT-BC278021  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol Comment
  JEPS59118  Cirsium douglasii var. douglasii Willis L. Jepson 1892-8-1 Napa Napa Valley Comment
  CDA1307  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2255 Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  JEPS106933  Cirsium occidentale var. venustum Jake Ruygt 1979-5-13 591 Napa .8 miles east of Dry Creek Rd. on Oakville Grade 192 Comment
  CAS-BOT-BC286575  Cirsium occidentale var. venustum John Thomas Howell 1930-7-13 5343 Napa 5 miles below the old Toll House, Mt. St. Helena Comment
  POM180786  Cirsium occidentale var. venustum J. T. Howell 1930-7-13 5343 Napa 5 miles below the old Toll House, Mt. St. Helena Comment
  POM352174  Cirsium occidentale var. venustum T. Gertrude Williamson 1924-7-4 s.n. Napa Near St. Helena, Sulphur Springs Comment
  CDA1556  Cirsium remotifolium var. odontolepis H. Stabo 1975-6-12 s.n. Napa St.Helena; 4001 Spring Mountain Rd.; (County line, Sec. 30 is in Sonoma Co.). 0 Comment
  CAS-BOT-BC169770  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower lake Road Comment
  UCD49176  Clarkia affinis K. Mogel; B. Pekin and M. Higley 2002-5-4 14 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 50 ft. along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  UCD49186  Clarkia affinis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. on W-facing slope 2400 as the crow flies feet NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  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
  UCD104446  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128, ca. 2 miles E of Lower Chiles Valley Road. 300 Comment
  UCD104448  Clarkia concinna subsp. concinna L. P. Thibault 1995-5-19 39 Napa Along Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  CAS-BOT-BC164534  Clarkia gracilis subsp. albicaulis Peter H. Raven 1952-6-28 4210 Napa Chiles Valley 243 Comment
  CAS-BOT-BC164629  Clarkia gracilis subsp. gracilis Peter H. Raven 1952-5-26 4041 Napa St. Helena to Howell Mt. 304 Comment
  JEPS110766  Clarkia gracilis subsp. gracilis Jake Ruygt 1979-5-4 577 Napa Trefethen hillside property NW of Carell Lane 128 Comment
  RSA495969  Clarkia gracilis subsp. sonomensis L. D. Gottlieb 1988-5-24 8818 Napa On Rt. 128, just east of its junction with Rt. 121; site is about 100 yards east of Steele Canyon Rd. Comment
  SEINET4145440  Clarkia gracilis subsp. sonomensis K. Brandegee 1910-5-22 120 Napa Mountain flopes from Calistoga to the Toll House Comment
  RSA92804  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills west of Oakville 122 Comment
  JEPS110692  Clarkia unguiculata Jake Ruygt 1978-5-21 323 Napa .3 miles east of Silverado Trail on Sage Canyon Rd. 60 Comment
  UCD100584  Claytonia exigua Robin Brooks 1975-4-26 42 Napa 2 miles south of Pope Valley (12 miles north of Highway 128). Comment
  CAS-BOT-BC439131  Claytonia exigua subsp. exigua Ella Dales Cantelow 1939-4-8 2521 Napa 1/2 mi. n.e. of Pacific Union College, Howell Mt. Comment
  JEPS43271  Claytonia gypsophiloides W. L. Jepson 1897-5-2 Napa near Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  JEPS48651  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi from St. Helena Inn 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
  UCR12051  Claytonia perfoliata Coleta A. Lawler 1964-3-24 04 Napa Henry Road, c. 0.5 mi. from junction with Buhman Avenue, c. 3 mi. west of Napa 8 Comment
  UCD117482  Claytonia perfoliata subsp. perfoliata Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  CAS-BOT-BC440043  Claytonia perfoliata subsp. perfoliata Elsa G. Ruckert 1960-2-7 10 Napa 6495 Dry Creek Road. Field, 300 yards east of house 365 Comment
  UC650403  Claytonia perfoliata subsp. perfoliata Ira L. Wiggins 1928-3-27 2870 Napa 1.5 mi ne Calistoga Comment
  UC917146  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11 1/2 mi. from Winters (on rd. to Monticello) Comment
  UCD160674  Collinsia greenei Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8746 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UCD49264  Collinsia heterophylla C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; in dry creek bed, downslope of West Rd., N of jct with South Decker Canyon Rd. 152 Comment
  UCD123581  Collinsia heterophylla Alan P. Godlewski 1974-5-3 17 Napa west of Lake Berryessa, 100 yards from Highway 128. Comment
  UCD123653  Collinsia sparsiflora G. F. Hrusa; S. Larson 1995-4-10 12064 Napa along Chiles Valley/Pope Valley Road approximately 2 meters south of Pope Canyon Road intersection. North Coast Biodiversity Arena. 175 Comment
  UCD20025  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1213 Napa 1 mile west of junction of Route 128 and Pope Valley Road, on south side of Lake Hennessy. Comment
  UCR106840  Collinsia sparsiflora Craig Homan 1977-4-8 6 Napa 32 miles west of Winters along Berryessa Knoxville Road 152 Comment
  UC147869  Collinsia sparsiflora var. arvensis J. P. Tracy 1902-5-18 1533 Napa 3-4 mi e Angwin (head Moore's Creek); Head Moore's Creek, Howell Mountain 518 Comment
  UCR139462  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Coast Range, Conn Valley 183 Comment
  UC614495  Collinsia sparsiflora var. sparsiflora L. Constance 1938-3-27 2034 Napa 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  CDA10847  Collomia diversifolia G. F. Hrusa, G. L. Stebbins 1994-4-18 11784 A Napa North Coast Biodiversity Arena; Swartz Cyn. Rd, approx. 2 m. NW of Aetna Springs. 228 Comment
  JEPS101660  Collomia diversifolia Dean W. Taylor 1998-5-20 16448 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  UCD118735  Collomia diversifolia Katherine Graham; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD160748  Collomia diversifolia Ellen Dean 2015-5-23 8800 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  JEPS120431  Collomia diversifolia Jake Ruygt 2010-5-15 5554 Napa Snell Valley / Missimer Preserve, Butts Creek. Comment
  RSA304646  Collomia heterophylla D. H. Wilken 1973-5-6 11926 Napa Summit of Howell Mtn. Road, between Anguin and Pope Valley 518 Comment
  UC1197844  Collomia heterophylla J. P. Tracy 1902-5-16 1500 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 335 Comment
  CDA34651  Conyza sumatrensis L. Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS6768  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1951-8-19 3834 Napa near Lokoya 487 Comment
  RSA128655  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1951-8-21 3864 Napa Ridge s.e. of Mt. Veeder. 671 Comment
  JEPS7001 Image available Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-9 4750 Napa grade over shoulder Mt. St. Helena (road from Calistoga to Middletown, near Hanley's Resort) Comment
  POM193912  Cordylanthus pilosus subsp. pilosus J. T. Howell 1929-8-4 4361 Napa One mile below Samuel's Springs, Pope Creek Canyon. Napa range. Comment
  UC762583  Cordylanthus pringlei R. F. Hoover 1941-8-24 5574 Napa e side of Mt. St. Helena Comment
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  UC146880  Cordylanthus tenuis subsp. brunneus Katharine Brandegee 1910-1 Napa near Angwin Comment
  UC412933  Cornus glabrata H. P. Chandler 1907-5-30 7598 Napa St. Helena, White Sulphur Spring Comment
  UCD117119  Cornus glabrata Glen Holstein 1978-5-6 s.n. Napa Along Eticuera Creek, near Berryessa-Knoxville Road ca. 6 miles north of north shore of Lake Berryessa. 243 Comment
  JEPS106395  Cornus nuttallii Jake Ruygt 1990-4-28 2510 Napa Livermore Rd. about 1/2 mile from HWY 29 524 Comment
  CAS-BOT-BC180344  Corylus cornuta subsp. californica Elsa G. Ruckert 1960-2-27 11 Napa 6495 Dry Creek Road. Edge of woods SW of the house, 200 yards up on hillside 365 Comment
  CAS-BOT-BC427748  Crassula connata Peter H. Raven 1953-4-2 5242 Napa Hills e. of Imola 121 Comment
  UCD18049  Crassula connata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 601 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD19947  Crassula connata E. A. Dean; Virginia Boucher 2002-2-28 903 Napa Quail Ridge Reserve. Along upper trail, leading out north of stock pond near Quail Ridge tip; 0.2 airline miles NE of junction with West Rd. 320 Comment
  UCD73393  Crassula connata 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
  JEPS106398  Cressa truxillensis Jake Ruygt 1981-7-20 1070 Napa Fagan's Marsh 2 Comment
  UC1189969  Crocanthemum scoparium var. vulgare John H. Thomas 1955-5-21 5107 Napa about 6 mi from Napa (near State Highway 37, Sarco Creek drainage); Sarco Creek 243 Comment
  HSC97186  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 mi. east of Rutherford, Conn Reservoir 91 Comment
  UCD59925  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  JEPS122995  Crypsis vaginiflora Jake Ruygt 1990-1-29 2432 Napa Napa Range about 1/2 mile south of Circle Oaks. Quad: Capell Valley. Comment
  RSA0094670  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  SBBG117229  Cryptantha clevelandii B. Crampton 1954-5-20 1929 Napa 8 mi SW of Monticello, along Hwy 128 Comment
  UC1239659  Cryptantha flaccida J. P. Tracy 1899-6-11 438 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS129033  Cryptantha hispidula Jake Ruygt 2016-5-14 6256 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UC1278112  Cryptantha hispidula Beecher Crampton 1954-5-20 1929 Napa ca 8 mi sw Monticello (along State Hwy 128) Comment
  UCD63863  Cryptantha hispidula Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. Knoxville Public Lands close to Hunting Creek. 650 Comment
  UC175784 Image available Cryptantha torreyana var. calistogae Joseph P. Tracy 1904-5-23 2094 Napa hills e Calistoga; Northern Coast Ranges; hills E of Calistoga, Napa Co. 243 Comment
  SEINET10569440  Cupressus Fisher 1881-1 Fisher s.n. Napa Calistoga Comment
  CAS-BOT-BC80719  Cupressus macnabiana Peter H. Raven 1951-10-28 3958 Napa Knoxville 457 Comment
  CAS-BOT-BC80721  Cupressus macnabiana David D. Keck 1931-4-3 1101 Napa Two miles NE of Aetna Springs, northern Napa county Comment
  CHSC108742  Cupressus macnabiana B. Castro; L. P. Janeway 2002-5-12 1362 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  JEPS104754  Cupressus macnabiana John L. Morrison 1969-8-16 4027 Napa near Knoxville Comment
  UCR23367  Cupressus macnabiana John C. Roos 1938-11-19 323 Napa North Coast Range, Pope Valley, Aetna Springs 305 Comment
  CAS-BOT-BC85479  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-17 2152 Napa On Middletown-Calistoga road, 300 Ft. S. of Lake Co. line 457 Comment
  RSA17620  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 457 Comment
  SDSU1745  Cupressus sargentii D. F. Howe 1965-8-3 4105 Napa Just south of napa-Lake Co. line on state #29. 46 Comment
  UC1278005  Cupressus sargentii B. Crampton 1957-6-4 4101 Napa above Capell Creek, N end of Capell Valley Comment
  UCD163406  Cupressus sargentii D. Slakey; CNPS Volunteers 2015-4-25 120 Napa South side of Hunting Creek Road, about 900 road meters east of the Campground at the west end of the road. Behind fence. 411 Comment
  NY16839  Cupressus sargentii C. B. Wolf 1934-10-16 6193 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD167093  Cuscuta brachycalyx Jake Ruygt 2015-7-4 6146 Napa Missimer -Snell Valley Preserve. 180 Comment
  UCD18110  Cuscuta californica K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 47 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
  UCD167137  Cuscuta howelliana Jake Ruygt 2015-5-23 6108 e Napa West of Buck Mountain. 599 Comment
  UCD170278  Cuscuta howelliana Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 812 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  POM180775  Cuscuta indecora J. T. Howell 1930-10-19 5624 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
Read comments
Feb 4 2011
  JEPS116546  Cuscuta occidentalis Jake Ruygt 1990-5-12 2540 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  UC129079  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7124 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD161785  Cuscuta subinclusa Jake Ruygt 2002-9-4 4454 Napa Sutro Ranch, near north end of Fir Canyon. 609 Comment
  UC585547  Cynodon dactylon Virginia E. Long 1931-8-22 103 a Napa Calistoga Hot Springs 111 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
  SEINET197745  Cynoglossum grande R. C. Bechtel 1952-3-16 19 Napa Putah Canyon Comment
  UCD169892  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  UCD119154  Cynoglossum grande Collector unknown Date unknown s.n. Napa location unknown. Comment
  CAS-BOT-BC190360  Cynosurus echinatus Peter H. Raven 1952-5-26 4068 Napa Steel Canyon. 304 Comment
  CDA1948  Cynosurus echinatus G. Breuer Jul 1957 Napa Calistoga. 0 Comment
  JEPS121340  Cyperus aristatus Jake Ruygt 1991-6-29 2746 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  UC579872  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  RSA757290  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  UC1950192  Cyperus erythrorhizos Barbara Ertter with Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  RSA92354  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa Conn Reservoir, 4 miles east of Rutherford Comment
  UC1133517  Cyperus niger Beryl Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch Comment
  CAS-BOT-BC70647  Cystopteris fragilis Carl B. Wolf 1928-5-3 1842 Napa base of Mt. St. Helena Comment
  HSC980  Cystopteris fragilis C. B. Wolf 1928-5-3 1842 Napa At the summit of the Mt. St. Helena Grade Comment
  SEINET893038  Cytisus canariensis David Lawfer 1952-1 154 Napa Napa. Comment
  UCD127387  Daucus carota K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  RSA140818  Daucus carota John H. Thomas 1960-8-29 8839 Napa About 1 mile north of Calistoga along highway number 53 Comment
  JEPS126255  Deinandra corymbosa Devin Jokerst with Sarah Lynch 2016-5-25 Napa American Canyon. The undeveloped property is located west of Highway 29 and north of Green Island Road. Comment
  CAS-BOT-BC287369  Deinandra corymbosa Peter H. Raven 1951-6-24 3031 Napa Valley floor W of Napa 60 Comment
  UCD48155  Delphinium hesperium subsp. pallescens R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 28 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  CAS-BOT-BC10108  Delphinium hesperium subsp. pallescens Milo Samuel Baker 1932-4-26 5692 Napa Pope Creek Road perhaps 12 to 15 mi. from Monticello Comment
  LA38205  Delphinium hesperium subsp. pallescens Mehlquist; Baker 319 Napa 2 mi. N of Knoxville on rd. to Reiff Comment
  CAS-BOT-BC9810  Delphinium nudicaule Belle R. Jackson 1930-6-8 s.n. Napa On Old Toll Road below Patten's Mt. St. Helena region Comment
  UC467782  Delphinium patens H. P. Chandler 1907-5-14 7576 Napa White Sulphur Spr. St. Helena Comment
  CAS-BOT-BC116497  Delphinium patens subsp. patens Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 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
  CAS-BOT-BC121978  Delphinium uliginosum G. L. Stebbins 1967-5-31 6524 Napa Cedar Valley, south of Knowville Comment
  JEPS60632  Delphinium uliginosum W. L. Jepson 1938-6-8 18900 Napa Snell Valley and Butts Canyon Comment
  POM150572  Delphinium uliginosum C. F. Baker 1903-5-8 s.n. Napa Knoxville. Comment
  UCD63750  Delphinium uliginosum Daniel. Sanchez-Mata; Emin Ugurlu 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 500 Comment
  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
  CAS-BOT-BC7911  Delphinium variegatum Ella D. Cantelow 1939-4-8 2523 Napa Pope Creek, near Jct. of Samuel's Springs Road Comment
  CAS-BOT-BC7914  Delphinium variegatum G. L. Stebbins 1967-5-31 6525 Napa On road from Lower Lake to Knoxville, about 0.5 miles Northwest of Napa Co line 655 Comment
  LA207572  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  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
  RSA10640  Dendromecon rigida Carl B. Wolf 1928-5-4 1850 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC657  Dendromecon rigida subsp. rigida Severin A. Baumann 1953-7-4 10 Napa Top of rocky hill, on edge of highway 2 miles from Oakville between Boyes Springs and Oakville. 213 Comment
  CAS-BOT-BC659  Dendromecon rigida subsp. rigida Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena. Comment
  UCD21550  Deschampsia cespitosa A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, west side of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 335 Comment
  POM365009  Deschampsia cespitosa subsp. cespitosa P. H. Raven 1965-5-15 20210 Napa Cedar Valley, vicinity of Knoxville. 61 Comment
  UC65168  Deschampsia danthonioides W. L. Jepson 1896-6-2 Napa near St. Helena St. Helena; Napa Valley Comment
  UCD149576  Deschampsia elongata 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
  UCD48782  Dichelostemma capitatum L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 13 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along Decker Canyon Rd. Near the intersection of North and South Decker Canyon roads, on opposite side of stream from road, 15-20 ft. from the stream. 152 Comment
  CAS-BOT-BC499422  Dichelostemma capitatum H. C. Cantelow 1939-4-8 3923 Napa 2.5 mi. n. w. of Knoxville Comment
  JEPS64149  Dichelostemma capitatum W. L. Jepson 1938-5-24 18848 Napa below Four Corners (at the hair-pin bend in road); Napa Range, Howell Mountain 762 Comment
  RSA638889  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa 6.4 miles SW of Monticelo Dam along Hwy 128. 183 Comment
  CAS-BOT-BC153782  Diplacus angustatus Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  SEINET13769181 Image available Diplacus aurantiacus J. W. Riekels 1961-1 40 Napa State highway 128, 2 miles southwest of Monticello Dam Comment
  SJSU10417  Diplacus aurantiacus J. Paravantes 1973-5-5 Napa Soda Canyon Rd 5 mi N of intersection with Siverado Trail (rd) 304 Comment
  SEINET200708  Diplacus douglasii J. P. Tracy 1902-1 1624 .5 Napa Head of Moore's Cr, 3-4 mi E of Angwin's, Howell Mountain 366 Comment
  CAS-BOT-BC153275  Diplacus kelloggii Alice Eastwood 1915-6-5 4613 Napa Petrified Forest 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
  CAS-BOT-BC153408  Diplacus layneae J. W. Stacey 1933-5-15 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC151335  Diplacus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon 304 Comment
  JEPS8808  Dipsacus fullonum W. L. Jepson 1936-5-30 17562 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  UC796623  Disporum hookeri Ira L. Wiggins 1949-4-30 12088 Napa Mount St. Helena 914 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
  UCD15062  Dodecatheon hendersonii Jonathan M. Irvine 1977-4-16 106 Napa California, Napa Co.; along Highway 128, 6.4 miles south-southwest of Monticello Dam; Comment
  RSA733815  Dodecatheon hendersonii Keith E. Hoffmaster 1946-3-9 1220 Napa Napa range, near summit of Napa-Monticello road. Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  UCD167135  Downingia cuspidata Jake Ruygt 2015-5-23 6108 d Napa West of Buck Mountain. 599 Comment
  JEPS49935  Dudleya caespitosa W. L. Jepson 1936-5-29 17553 Napa Adam-and-Eve Ridge Howell Mtn Comment
  SFV8761  Dudleya cymosa R. C. Herner 1965-5-8 22 Napa North Coast Ranges Vaca Mountains. On State Highway 128, 6 miles southwest of Monticello Dam. 300 Comment
  UC1127116  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Qaudrangle 609 Comment
  JEPS40976  Dudleya cymosa L. R. Heckard with R. Bacigalupi 1965-5-15 1458 a Napa ca 2.5 air mi s Knoxville (along Zim Zim Creek) 396 Comment
  SD95159  Dudleya cymosa Susan Danford 1964-5-8 25 Napa On creek just east of State Highway 128, 3.0 miles southwest of Monticello Dam. Comment
  UCD101897  Dudleya cymosa subsp. pumila Bill Wengeler 1995-4-30 s.n. Napa 0.2 mile N of Hwy 128 along Knoxville Road. 183 Comment
  UCD60843  Echinochloa crus-galli Beecher Crampton 1962-10-9 6697 Napa 1 - 1/4 mile southwest of Angwin, Howell Mtn. Road, Conn Creek. Comment
  UC1131536  Echinochloa crus-pavonis B. Schreiber 1936-8-16 2325 Napa 0.8 mi s Yountville; Sonoma Quad. Comment
Read comments
Nov 19 2007
  RSA491735  Echinodorus berteroi James L. Reveal 1987-6-7 6409 Napa Along CA Hwy 128 at the upper end of Lake Hennessey, just W of the turnoff to the Chiles and Pope Valley Road, about 6.5 airline miles ESE of St Helena. Comment
  CDA15844  Egeria densa O. Dannenberg 1999-10-12 PDR 1103332 Napa Pond at Bubbling Well Pet Memorial Park, city of Napa. Present in this site >20 yrs. 0 Comment
  JEPS126048  Egeria densa Jake Ruygt 2005-4-10 4754 Napa Lake Camille. Mount George 7.5' Quad. Comment
  JEPS126136  Elatine brachysperma Jake Ruygt 2004-5-29 4610 Napa Bear Valley at the pond. Detert Reservoir 7.5' Qua. Comment
  JEPS121358  Eleocharis acicularis var. acicularis Jake Ruygt 1984-5-1 1534 Napa Suscol Hill east of Hwy 29 (221); SE of Rocktram Comment
  UCD73492  Eleocharis palustris Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS121357  Eleocharis palustris Jake Ruygt 1991-9-14 2779 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  CAS-BOT-BC112222  Eleocharis rostellata Peter H. Raven 1957-5-5 10753 Napa Near hot springs runoff, Calistoga 91 Comment
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  UC187088  Elymus glaucus J. P. Tracy 1902-5-21 1595 Napa 3-4 mi e Angwin (head of creek); Howell Mountain, Morre's Creek 396 Comment
  UCD17975  Elymus glaucus Ellen Dean; with Plant Biology 102 class 2001-4-14 700 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  RSA135785  Elymus glaucus subsp. jepsonii John H. Thomas 1955-5-21 5106 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  POM295667  Elymus multisetus Lyman Benson 1934-6-15 6098 Napa N. side Mt. St. Helena; Mayacamas Mt. Range 762 Comment
  CAS-BOT-BC204245  Elymus trachycaulus subsp. subsecundus Peter H. Raven 1952-5-31 4158 Napa Rector Dam 152 Comment
  JEPS110832  Emmenanthe penduliflora Jake Ruygt 1979-5-16 601 Napa 5.8 miles east of Monticello Rd. on HWY 128 304 Comment
  UCD170361  Emmenanthe penduliflora var. penduliflora Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 859 Napa East of Nevada Creek, just west of Knoxville Wildlife Area boundary. 383 Comment
  JEPS44032  Epilobium canum subsp. canum Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon Napa River Basin, St. Helena Comment
  UCD19917  Epilobium canum subsp. canum E. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 773 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  CAS-BOT-BC171954  Epilobium canum subsp. latifolium L. R. Abrams 1916-7-2 5753 Napa St. Helena Sanitarium Comment
  UCD67889  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. Near Spanish Flat. 220 Comment
  UCD20762  Epilobium ciliatum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 112 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
  JEPS2500 Image available Epilobium densiflorum Willis L. Jepson 1893-6-26 14390 Napa stream beds Napa River Basin, Howell Mt.; Howell Mt., Napa River Basin Comment
  JEPS38230  Epilobium densiflorum W. L. Jepson 1944-7-30 27545 Napa 3 mi se Yountville; Napa Valley Comment
  UCD167248  Epilobium densiflorum Jake Ruygt 1996-7-13 3774 Napa Angwin, near Sanitation ponds. 481 Comment
  JEPS110715  Epilobium minutum Jake Ruygt 1991-5-11 2669 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  UCR261611  Epilobium minutum Ann Howald 2003-4-23 2304 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  SBBG50823  Epilobium minutum G. L. Young 1974-4-13 11 Napa SW 1/4 T9N, R5W, S15 Comment
  UCD69077  Epilobium minutum P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD167250  Epilobium torreyi Jake Ruygt 1991-5-18 2676 Napa Fawn Lake, Friesen's Lakes. 609 Comment
  CAS-BOT-BC57894  Equisetum X ferrissii Peter H. Raven 1951-10-28 3922 Napa Yountville. 60 Comment
  CAS-BOT-BC56978  Equisetum arvense Peter H. Raven 1952-5-31 4111 Napa Conn Cr. e. of Yountville 45 Comment
  UCD135577  Equisetum telmateia subsp. braunii Beecher Crampton 1961-6-12 5906 Napa Ca. 9 miles northeast Napa, junction State Hwy. 37 and road to Fairfield. Comment
  CAS-BOT-BC204630  Eragrostis mexicana subsp. virescens Peter H. Raven 1951-10-28 3932 Napa Conn Lake, strand at w. end 152 Comment
  RSA140853  Eremocarpus setiger John H. Thomas 1960-8-29 8836 Napa About 1 mile north of Calistoga along highway number 53. Comment
  CAS-BOT-BC131508  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa Near Lokoya 548 Comment
  JEPS106944  Erigeron biolettii Jake Ruygt 1981-7-8 1059 Napa near upper Bateman Creek 670 Comment
Read comments
Jan 14 2009
  UC87827  Erigeron biolettii T. S. Brandegee Napa Howell Mountain Comment
  CHSC102267  Erigeron canadensis Lowell Ahart 2009-10-27 16477 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
  CHSC102301  Erigeron canadensis Lowell Ahart 2009-10-12 16418 Napa Above 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. 437 Comment
  UCD170666  Eriodictyon californicum 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD49081  Eriodictyon californicum A. Collier; D. Caterson and S. Kenady 2002-5-4 7 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 1/2 meter. 342 Comment
  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-BC242606  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  JEPS110771  Eriogonum dasyanthemum Jake Ruygt 1969-12-31 2605 Napa north end of Wooden Valley 231 Comment
  CAS-BOT-BC266069  Eriogonum luteolum Peter H. Raven 1951-6-26 3060 Napa Wooden Valley Grade 304 Comment
  POM105142  Eriogonum luteolum Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  CAS-BOT-BC266063  Eriogonum luteolum John Thomas Howell 1929-10-26 4535 Napa Flood plain of creek 1 mile NW of Calistoga Comment
  UC535082  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  UC912829  Eriogonum luteolum var. luteolum Lewis S. Rose 1939-8-20 39357 Napa 6 mi e Rutherford; Chiles Creek Canyon 213 Comment
  UCD160655  Eriogonum luteolum var. luteolum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8741 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD164785  Eriogonum luteolum var. luteolum Jake Ruygt 2000-9-1 Napa Aetna Springs Rd just beyond resort. 259 Comment
  JEPS56901  Eriogonum luteolum var. luteolum W. L. Jepson 1938-9-22 19016 Napa near Sanitarium (lower w slopes, Howell Mountain); Howell Mountain Comment
  UC419722  Eriogonum luteolum var. luteolum Mrs. H. P. Bracelin 1930-10-19 109 Napa near entrance to (Conn Creek) Sage Canyon Comment
  UCD164787  Eriogonum luteolum var. luteolum Jake Ruygt 1988-5-29 2191 Napa Devilshead Rd. 448 Comment
  UCD73440  Eriogonum nudum 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
  OBI47600  Eriogonum nudum L. F. LaPre & R. Bjork, R. Bjork 1986-7-13 s.n. Napa Hunting Crk, 1/2 mi S of Dunnigan Hill (Jericho Valley 7.5' quad) 335 Comment
  CAS-BOT-BC268979  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  UCR43200  Eriogonum nudum var. nudum L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-BC269712  Eriogonum nudum var. oblongifolium H. M. Hall 1923-10-12 11925 Napa Northern Napa Co., 16 mi. s.e. of Lowerlake Comment
  JEPS56611  Eriogonum nudum var. oblongifolium Willis L. Jepson 1893-9-23 20992 Napa above Calistoga; Upper Napa Valley, Napa River Basin Comment
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  JEPS106949  Eriophyllum confertiflorum Jake Ruygt 1996-6-1 3731 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 280 Comment
  SBBG118106  Eriophyllum lanatum C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, ca. 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  UCD160736  Eriophyllum lanatum Ellen Dean 2015-5-23 8788 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  UCD48638  Eriophyllum lanatum K. Mogel; B. Pekin and M. Higley 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 100 ft. along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  UCR43103  Eriophyllum lanatum L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  RSA355183  Eriophyllum lanatum L. F. LaPre 1985-4-25 s.n. Napa Rare Plant Cyn, 2 mi SW of Knoxville, just E of Lake Co. Line. 366 Comment
  UCSC009024  Eriophyllum lanatum var. achilleoides Dylan M. Neubauer 2015-4-24 126 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  CDA4963  Eriophyllum lanatum var. achilleoides Butler 1947-6-6 Napa Wooden Valley, Napa. 0 Comment
  HSC5611  Eriophyllum lanatum var. grandiflorum Greg Bos 1963-3-24 49 Napa NW end of Lake Berryessa, at Putah Creek 473 Comment
  JEPS85038  Erodium botrys Larry Heckard and Mary Ashton 1969-5-3 2196 Napa 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UCD83406  Erodium brachycarpum Jake Ruygt 1982-3-3 1118 Napa Long Canyon. 341 Comment
  UCD16045  Erodium cicutarium R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 28 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown clay, moist soil, near river, flat ground, sunny. Herb, 8-13 cm tall, flowers lavender. Comment
  UCD48039  Erodium cicutarium Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 1 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd, 1st ridge south of Devilhead Rd. 518 Comment
  JEPS104536  Eryngium aristulatum Jake Ruygt 1988-5-7 2182 Napa .5 miles east of Flosden Rd., American Canyon 173 Comment
  POM180788  Eryngium aristulatum var. aristulatum J. T. Howell 1930-7-13 5369 Napa Near Myrtledale Hot Springs, upper Napa Valley Comment
  UC596078  Eryngium aristulatum var. aristulatum R. F. Hoover 1937-8-31 2701 Napa 6 mi. s. Napa Comment
  CAS-BOT-BC40899  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  CAS-BOT-BC40900  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  JEPS106770  Erysimum capitatum var. capitatum Jake Ruygt 1996-4-12 3610 Napa Blue Ridge, north of Monticello Dam. 670 Comment
  UCD170371  Erysimum capitatum var. capitatum Daniel Potter; N Khuu, K Battenberg 2016-4-30 869 Napa Knoxville Wildlife Area, along Nevada Creek. 194 Comment
  SEINET8255130  Erythranthe microphylla L. Constance 1938-3-27 2040 Napa above Wooden Valley 8 mi. ne. of Napa. e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  CAS-BOT-BC26159  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa County. Steep northerly slope just east of the Palasades on old stage road. Comment
  SD60206  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena, steep northerly slope just east of the Palisades on old stage road, brushy woods. Comment
  SEINET8397211  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens; steep northerly slope just east of the Palisades on old stage road. Comment
  SEINET10528927  Erythronium pluriflorum James R. Shevock, Jim A. Bartel 1988-7-2 Shevock 11844 Napa Common along the north and northeast slope of Shuteye Peak on granitic rocky slopes, subalpine coniferous forest, T7S R23E, sect 2N 1/2. Chiquito Ridge, San Joaquim River drainage, Sierra National Forest. Associated with Saxifraga bryophora, Lomatatium torreyi and Sorbus californica. 8250 feet. 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-BC402791  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  JEPS110735  Eschscholzia caespitosa Jake Ruygt 1994-3-15 3314 Napa Chiles Canyon Road about 1 mile from Chiles Valley 350 Comment
  JEPS120329  Eschscholzia caespitosa Jake Ruygt 1978-5-7 295 Napa 1.4 miles east of Spanish Flat turnoff on Highway 128. Lake Berryessa 7.5' Quad. Comment
  UC614560  Eschscholzia caespitosa L. Constance 1938-3-27 2043 Napa near Capell Valley (8 mi s of Monticello); North Coast Ranges, Napa Range, Steel Canyon 304 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
  JEPS21000  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley Grade from Napa City Napa River Basin Comment
  UCD34213  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Napa County, Markley Canyon on Hwy 128. 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
  UCD117790  Eschscholzia californica Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, main meadow. 387 Comment
  UCD167246  Eschscholzia californica Jake Ruygt 1978-5-17 320 Napa South of Trancas west side of Napa River. 10 Comment
  CAS-BOT-BC5900  Eschscholzia formosa Charles Fuller Baker 1903-4-20 2614 Napa Mount St. Helena Comment
  UCD103236  Eucalyptus viminalis W. L. Jepson 1936-6-29 17628 Napa In front of house, at edge of road, of Mrs. O. G. Freyermuth, near Rutherford. Comment
  UC17643  Euphorbia crenulata Willis L. Jepson 1894-5-1 Napa Napa River Basin; Rebecca Ranch Comment
  UCD19328  Euphorbia serpillifolia subsp. serpillifolia M. A. Bibbo; E. Dean 2001-7-6 20 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
  UCD47965  Euphorbia spathulata Michele Disney; J. Westbrook, S. Ratay,R. Wolfson, A. Houser,S. Wathen 2000-4-22 31 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville road. 396 Comment
  RSA755363  Euthamia occidentalis L. Ahart 2009-10-12 16420 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
  SBBG128016  Euthamia occidentalis L. Ahart 2009-10-12 16420 Napa below the high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi W of Winters 133 Comment
  UCD163273  Festuca californica D. Slakey; CNPS Volunteers 2015-4-25 117 .5 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCD65830  Festuca californica M. Wiesendanger 1927-5-4 700 Napa Monticello, Napa Road. Comment
  SEINET9335789  Festuca roemeri Unknown 1993-5-15 10966 Napa Quail Ridge Reserve Comment
  UCD66253  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  UCD66254  Festuca roemeri Beecher Crampton 1954-5-6 1831 Napa 5 miles south of Monticello. Comment
  SEINET10508611  Festuca tracyi Joseph P. Tracy 1902-5-15 Tracy 1479 Napa Head of Moore's Creek, 3-4 mi. E. of Angwin's Howell Mt. Comment
  RSA132845  Filago gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville. 152 Comment
  RSA51300  Fragaria californica Peter H. Raven 1950-4-5 1742 Napa Wooden Valley Grade above Napa. 457 Comment
  JEPS44868  Fragaria vesca Willis L. Jepson 1893-5-1 13872 Napa Calistoga Napa River Basin (on Knights Valley grade) Comment
  CAS-BOT-BC437056  Fragaria vesca subsp. bracteata Alice Eastwood 1918-5-1 6824 Napa Mt. St. Helena Comment
  CAS-BOT-BC53527  Frangula californica subsp. tomentella H. E. McMinn 1922-7-1 295 Napa Pope Canyon Comment
  JEPS44089  Fraxinus latifolia Willis L. Jepson 1903-9-9 2337 Napa St. Helena Napa River Basin Comment
  RSA22334  Fraxinus latifolia Joseph A. Ewan 1934-4-30 8860 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  CAS-BOT-BC205892  Fremontodendron californicum C. F. B. 1903-5-8 2972 Napa Knoxville Comment
  JEPS128913  Fremontodendron californicum Jake Ruygt 1976-4-25 29 Napa 23 miles north of Pope Canyon Road on Berryessa-Knoxville Road. Knoxville 7.5' Quad. Comment
  POM224211  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa Four miles north of Knoxville Mines. Comment
  RSA41909  Fremontodendron californicum Ella Dales Cantelow 1939-5-7 2529 Napa Just E of Napa - Lake Co line. Comment
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  SBBG26893  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa 4 mi N of Knoxville Mines Comment
  SBBG28946  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  UCD18031  Fritillaria affinis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 577 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCSB680  Fritillaria affinis Keator, Glenn 1959-3-28 Napa Near Conn's Picnic grounds, Lake Hennessy Area Comment
  UCR24202  Fritillaria lanceolata W. Ferrenbach, M. Ferrenbach 1951-1 s.n. Napa 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
  SEINET8480175  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir, St. Helena. Comment
  JEPS52785  Galium andrewsii subsp. andrewsii Lauramay T. Dempster 1965-5-15 4091 Napa n slope above (s of) Knoxville; Cedar Valley 609 Comment
  JEPS110607  Galium aparine Jake Ruygt 1978-4-6 258 Napa 1.0 mile west of Dry Creek Rd. on Redwood Rd. 51 Comment
  RSA0054814  Galium aparine Keith E. Hoffmaster 1939-4-6 910 Napa Putah can. Comment
  JEPS52680  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
  UCD149696  Galium californicum 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
  POM303720  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa W of Napa Valley betw St. Helena and Mt. St. John. Napa Valley. 229 Comment
  CDA10895  Galium murale G. F. Hrusa, M. Rejmanek 1993-5-15 10990 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD121829  Galium nuttallii Heidi E. M. Dobson 1978-5-28 332 Napa East slope of Mt. Veeder. Comment
  UCD13190  Galium nuttallii Mark Streig 1976-4-22 1 Napa Lake Berryessa, 0.5 mi W of Monticello Dam, along hwy 128. Comment
  UCSB9143  Galium nuttallii subsp. nuttallii Keator, Glenn 1959-3-28 Napa above Conn's Picnic Grounds, Lake Hennesey Area 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
  UCD148824  Galium porrigens Ellen Dean; Diana Hickson 2014-4-29 8129 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  JEPS6612  Galium porrigens var. porrigens W. L. Jepson 1944-5-21 27523 Napa 4 mi e Rutherford Comment
  JEPS18279  Galium porrigens var. porrigens Peter H. Raven 1957-5-5 10776 Napa just w Calistoga 182 Comment
  JEPS6621  Galium porrigens var. tenue W. L. Jepson 1892-7-28 Napa Knoxville grade to Lower Lake Comment
  JEPS106906  Gamochaeta ustulata Jake Ruygt 1982-4-18 1192 Napa Calistoga Grade, Mt.St.Helena 359 Comment
  UCD170668  Garrya congdonii 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  RSA41998  Garrya elliptica Ella Dales Cantelow 1939-5-7 2532 Napa Just E of Napa - Lake Co line. Comment
  JEPS66757  Garrya flavescens W. L. Jepson 1936-2-8 17400 Napa Adam and Eve Ridge; Howell Mt. Comment
  CAS-BOT-BC144381  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  UCD18136  Gastridium phleoides Jean Shepard; with PLB 102 class 2000-4-29 186 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD66609  Gastridium phleoides E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello - Napa road. Comment
  CAS-BOT-BC278655  Gastridium phleoides Thomas H. Kearney 1948-6-26 s.n. Napa Near Napa Comment
  CAS-BOT-BC208043  Genista monspessulana Ira L. Wiggins 1928-3-25 2883 Napa Roadside 1 1/2 mi. N.E. of Calistoga [Calostoga] Comment
  JEPS129085  Geranium carolinianum Jake Ruygt 2016-4-23 6205 Napa Wantrup Sanctuary, Hardin Road. Saint Helena 7.5' Quad. Comment
  UCD49069  Geranium molle L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 2 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
  UCD49071  Geranium molle E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct. of West Rd. and South Decker Canyon Rd. 249 Comment
  SEINET5744393 Image available Geranium molle Peter Stekel 1974-1 21 Napa State Hwy 128 along N slope of Rag Creek headwaters, 4 miles E of junction of State Hwys 128 and 121.; Rag Creek 305 Comment
  CHSC102193  Geranium purpureum Barbara Ertter; Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on northeast flank of Mt. St. John, west of Rutherford in Napa Valley. Comment
  JEPS106750  Geranium purpureum Jake Ruygt 1976-5-14 75 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  JEPS21822  Geranium robertianum Margaret Whitmore 1958-4-3 33 Napa 3 mi nw Napa (on Redwood Road) 30 Comment
  RSA523893  Gilia capitata Barbara Ertter, Annetta Carter 1989-5-28 8512 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  UCD149655  Gilia capitata 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
  UCD70477  Gilia capitata P. J. Plummer 1995-5-27 s.n. Napa Napa County Barryessa Knoxville Rd. Rocky roadside. Herbs; flowers blue-lavender. 170 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
  UCD68114  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road, base of Conn Dam, 1.2 miles East of intersection with the Silverado Trail. In a foothill woodland plant association, dominated by Rubus, Salix, and Quercus, on a 70 degree slope, in sandy rocky soil, in a dry area, with sunlight for half the day, growing in scattered patches in area. An herbaceous plant, 1 ft. high. Flowers, light blue. 73 Comment
  UCD117697  Gilia capitata subsp. capitata Carl A. Huether 1965-5-7 66 Napa south side of Soda Creek. Comment
  RSA3277  Gilia tricolor D. D. Keck 1931-4-3 1103 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  UCD167225  Gilia tricolor subsp. diffusa Jake Ruygt 2010-4-24 5519 Napa East of Berryessa Knoxville Road near south end of Knoxville Wildlife Area. 280 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
  UC908613  Gilia tricolor subsp. tricolor Herbert L. Mason 1926-3-14 2731 Napa Mount St. Helena Comment
  SEINET7072774  Githopsis specularioides A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road on the North Slope. UTM Zone 10, 548879mE, 4271447mN. Coordinate datum: NAD 27.) Comment
  SEINET10464559  Githopsis specularioides Ira L. Wiggins, Rimo Bacigalupi; Roxana S. Ferris 1933-6-2 Wiggins 6663 Napa Grassy slope 5 miles east of St. Helena on road to Pope Valley 305 Comment
  UC1010479  Glinus lotoides Peter H. Raven 1951-10-28 3931 Napa at w end of Conn Lake 152 Comment
  UCD18098  Gnaphalium palustre Ellen Dean; with PLB 102 class 2000-4-29 754 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
  UCD73518  Gnaphalium palustre Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CDA6057  Gnaphalium stramineum R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  JEPS4235  Gratiola ebracteata W. L. Jepson 1936-5-30 17558 Napa Rutherford Napa Valley (Napa Valley) Comment
  UC1196813  Gratiola ebracteata J. P. Tracy 1902-5-18 1532 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's, La Jota Plateau, Howell Mountain); , , La Jota Plateau 518 Comment
  UC147896  Gratiola ebracteata Joseph P. Tracy May 15 1903-May 18 1903 1873 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 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
  CAS-BOT-BC304896  Grindelia hirsutula Peter H. Raven 1951-6-24 3018 Napa Brown's Valley 91 Comment
  JEPS106920  Grindelia hirsutula Jake Ruygt 1979-6-26 719 Napa Edgerley Island, end of Milton Rd. 0 Comment
  JEPS41878  Grindelia hirsutula W. L. Jepson 1894-7-19 Napa near Toll House; Mt. St. Helena Comment
  POM203264  Grindelia hirsutula J. T. Howell 1933-6-4 11394 Napa East side of Napa Valley, near Stag's Leaf. Comment
  UC134569 Image available Grindelia hirsutula Alice Eastwood 1900-5-7 Napa Calistoga Comment
  JEPS106784  Guillenia lasiophylla Jake Ruygt 1989-3-30 2240 b Napa American Canyon, Avilla Ranch 54 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
  CAS-BOT-BC8138  Harmonia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  CAS-BOT-BC302239  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  CAS-BOT-BC302245  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  JEPS29584  Harmonia nutans Rimo Bacigalupi, and L. Heckard 1962-4-16 8441 Napa 4.5 mi n junction of Atlas Mtn. road and Monticello road (Calif. 37) (along Atlas Peak road on grade leading up to Milliken Canyon Reservoir turn-off) 304 Comment
  UC1731339  Harmonia nutans Dean W. Taylor 1998-6-23 16695 Napa Swartz Canyon North Coast Ranges, Mayacamas Mountains (headwaters, s flanks of Twin Peaks, (ca. 5 air mi w <of> Aetna Springs) 716 Comment
  UC30653  Harmonia nutans Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UCD20722  Helenium bigelovii Mark Bibbo; w/ Laura Wynholds 2002-7-20 57 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  CHSC102532  Helenium puberulum Lowell Ahart 2009-10-27 16479 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 souththe causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD159467  Helenium puberulum D. S. Park 2010-8-13 221 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 219 Comment
  JEPS106684  Helianthella californica subsp. californica Jake Ruygt 1989-4-22 2264 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Road 329 Comment
  JEPS33582  Helianthella californica subsp. californica W. L. Jepson 1938-5-24 18843 Napa plateau n Four Corners; Napa Range, Howell Mtn. 883 Comment
  CAS-BOT-BC314717  Helianthella californica var. californica John Thomas Howell 1937-7-4 13057 Napa Wooden Valley Grade Comment
  RSA113743  Helianthemum scoparium var. vulgare Beecher Crampton 1956-5-25 3480 Napa Howell Mountains above Wooden Valley Comment
  JEPS106669  Helianthus bolanderi Jake Ruygt 1991-8-5 2820 Napa Eticuera Creek north of Zim-Zim Creek 228 Comment
  JEPS106670  Helianthus bolanderi Jake Ruygt 1991-8-5 2821 Napa 3.2 miles north of Pope Creek on Berryes sa-Knoxville Rd. 118 Comment
  JEPS35463  Helianthus bolanderi W. L. Jepson 1938-9-24 19018 Napa Canyon of James Creek Pope Valley, Canyon of James Creek 304 Comment
  SEINET3930499  Helianthus bracteatus David Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Road, near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  CHSC102268  Helianthus cusickii Lowell Ahart 2009-10-12 16424 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD132787  Helianthus exilis G. F. Hrusa 1993-10-3 11426 Napa 2.1 m. southwest along Knoxville-Devilhead Road from Knoxville-Berryessa Road. Comment
  UCD74368  Heliotropium curassavicum var. oculatum Jake Ruygt 1991-6-29 2762 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 121 Comment
  CDA20044  Heliotropium europaeum K. Smith, M. Bozzo 2002-9-4 PDR P 133430 Napa Northern California; Kendall Smith Vineyards. 0 Comment
  CAS-BOT-BC306147  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC306148  Hemizonia congesta subsp. clevelandii Alice Eastwood 1918-9-3 7962 Napa Calistoga Comment
  CAS-BOT-BC306150  Hemizonia congesta subsp. clevelandii Milo S. Baker 1933-9-9 7542 Napa Near Calistoga Geyser Comment
  JEPS38351  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  JEPS106664  Hemizonia congesta subsp. lutescens Jake Ruygt 1996-9-7 3782 Napa Green Island Road about 1/2 mile from end of road. 2 Comment
  SD9040  Hemizonia congesta subsp. luzulifolia Daniel Cleveland Sep 1882 Napa Aetna Springs. Comment
  UC1223090  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1950-8-12 19303 Napa Conn Valley Comment
  POM194218  Hemizonia lutescens J. T. Howell 1929-10-26 4541 Napa 9 miles N of Vallejo. Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. Comment
  JEPS122710  Hesperevax sparsiflora var. sparsiflora Jake Ruygt 1979-4-30 567 Napa Southeast corner of Napa County, east of Highway 80. Quad: Cordelia. Comment
  UC164895  Hesperevax sparsiflora var. sparsiflora J. P. Tracy 1902-5-16 1511 Napa 3-4 mi e of Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD169786  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-8-18 794 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  JEPS123298  Hesperolinon David Gowen with Dick O'Donnell 2009-6-30 1077 Napa Along trail from Devilhead Road down to Cedar Creek. Comment
  CAS-BOT-BC167405  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs Comment
  CAS-BOT-BC231515  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery 427 Comment
  JEPS22718  Hesperolinon bicarpellatum Katharine Brandegee 1911-6-29 Napa near Aetna Springs; Butts Canyon Comment
  UC1212346  Hesperolinon bicarpellatum Freed W. Hoffman 1947-6-17 1647 Napa Sage Canyon Comment
  UC1212350  Hesperolinon bicarpellatum Helen K. Sharsmith 1951-10-21 4035 Napa 7.2 mi sw Monticello; Inner North Coast Ranges, Steel Canyon Comment
  UC146227  Hesperolinon bicarpellatum Joseph P. Tracy 1905-7-6 2218 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 457 Comment
  UCR242395  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Hwy 128, on lands of Continuum Estate Winery, at end of private road near winery 427 Comment
  UC2014176  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Napa County: Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. Comment
  UC1212210  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa Cappell Valley 365 Comment
  CAS-BOT-BC176010  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Southern margin Chiles Valley near Chiles Valley School 304 Comment
  JEPS122839  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 225 Napa In meadow above Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road) Comment
  UC1212439  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4601 Napa s slope Conn Dam (between Rutherford and Chiles Valley); Inner North Coast Ranges 121 Comment
  UC1212455  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4604 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1212457  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4078 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD149639  Hesperolinon californicum Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD110499  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa Slopes of Sage Canyon, south side of Conn Dam. 76 Comment
  CAS-BOT-BC176059  Hesperolinon clevelandii Peter H. Raven 1951-6-10 2941 Napa Crater Region e. of Palisades 762 Comment
  UC1212327  Hesperolinon clevelandii Helen K. Sharsmith 1952-6-19 4144 Napa about 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  CAS-BOT-BC176053  Hesperolinon clevelandii Alice Eastwood 1923-5-9 11739 Napa Hills above Calistoga Comment
  JEPS127860  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 626 Napa Pipeline road meadow site at McLaughlin Reserve Comment
  SD58214  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 730 Comment
Read comments
Jun 12 2012
  UCR43104  Hesperolinon disjunctum 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
  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
  UCD167299  Hesperolinon disjunctum Jake Ruygt 2010-7-11 5668 Napa Cedar Roughs, south of Guilliame Springs. 624 Comment
  CAS-BOT-BC167456  Hesperolinon drymarioides G. L. Stebbins 1966-6-6 6447 Napa Along road from Knoxville to Cedar Valley 487 Comment
  CDA30785  Hesperolinon drymarioides V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS112653  Hesperolinon micranthum Jake Ruygt 1995-6-17 3504 Napa Butts Canyon Road at Snell Valley Road; to SE. 487 Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. 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
  UCD110561  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's. 396 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
  UCR71475  Hesperolinon micranthum H. K. Sharsmith 1965-5-18 5517 Napa Inner North Coast Ranges, 2.2 mi. north of Wooden Valley Road junction with Napa-Lake Berryessa Hwy 37 213 Comment
  JEPS32318  Hesperolinon micranthum W. L. Jepson 1934-10-16 16898 Napa betw. St. Helena sanitarium and Four Corners; Howell Mt. Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  UCSC009029  Hesperolinon spergulinum Dylan M. Neubauer 2015-4-24 131 Napa (NCoRI) N side Ink Grade Rd, 1.07 air-miles NW Pope Valley 289 Comment
  RSA26399  Hesperolinon spergulinum J. T. Howell 1941-6-21 16316 Napa Hills SW of St. Helena. Comment
  SD58210  Hesperolinon spergulinum W. L. Jepson 1916-8-6 6828 Napa Howell Mountain. Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  UCD49138  Heteromeles arbutifolia S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 13 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
  JEPS2448  Heterotheca oregona var. rudis W. L. Jepson 1895-11-27 14679 Napa near St. Helena; White Sulphur Springs Creek Comment
  CAS-BOT-BC312334  Hieracium albiflorum Peter H. Raven 1964-5-9 19058 Napa 2 miles west of Aetna Springs Comment
  UCD133136  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  POM26857  Hoita macrostachya Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  CAS-BOT-BC324653  Holocarpha virgata John Thomas Howell 1930-10-19 5609 Napa 2 miles southeast of Aetna Springs, Pope Valley Comment
  UCD32908  Holodiscus discolor Beecher Crampton 1965-6-17 7424 Napa Napa county line, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  CAS-BOT-BC149995  Holodiscus discolor var. discolor Peter H. Raven 1950-6-20 2344 Napa Between Conn Valley & Howell Mtn., Napa Range Comment
  CAS-BOT-BC315794  Holozonia filipes K. Brandegee 1910-7-26 186 Napa Near Angwin's Comment
  JEPS106645  Holozonia filipes Jake Ruygt 1985-6-9 1803 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  UC668201  Holozonia filipes Joseph P. Tracy 1938-6-6 15838 Napa between Napa City and Youngville; Napa Valley 30 Comment
  UCD63057  Hordeum brachyantherum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UCD85463  Hordeum brachyantherum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  UC187092  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1903-5-18 1855 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD20739  Hordeum murinum Ellen Dean; w/ Mark Bibbo 2002-6-17 1103 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
  RSA123452  Hordeum murinum subsp. glaucum J. B. Spring 1932-5-27 66 Napa Head Carneros Creek 366 Comment
  CAS-BOT-BC273492  Hordeum vulgare E. Ruckert 1960-4-29 127 Napa 300 yards southeast of house, 6495 Dry Creek Road 365 Comment
  JEPS121458  Hypericum concinnum Adam C. Schneider with Dick O'Donnell 2013-5-26 204 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  JEPS66798  Hypericum concinnum Alice King July, 1919 Napa Mt. St. Helena, Van Ness ranch Comment
  CAS-BOT-BC410807  Hypericum concinnum John Thomas Howell 1926-10-3 2207 Napa Near top of Mt. St. Helena 1066 Comment
  CAS-BOT-BC410808  Hypericum concinnum H. E. McMinn 1923-5-25 963 Napa Summit of Wooden Valley grade Comment
  CAS-BOT-BC410812  Hypericum concinnum Alice Eastwood 1923-5-9 11741 Napa Hills above Calistoga Comment
  HSC103603  Hypericum concinnum Thomas W. Nelson, Jane Nelson 1985-5-26 7810 Napa Along Aetna Springs Rd., opposite entrance road to Aetna Mine at mile post 1.75. Comment
  OBI57142  Hypericum concinnum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24513 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  RSA491728  Hypericum concinnum James L. Reveal 1987-6-7 6400 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles west of Pleasant Valley Road, about 7 miles northwest of Vacaville. 762 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
  SEINET3876197  Iris fernaldii D. W. McNeal 1990-5-3 3690 Napa Above Butts Canyon Rd., 1.4 mi. s. of the jct. of Snell Valley Rd.; 0 Comment
  UCD166692  Iris fernaldii Jake Ruygt 1986-5-10 1756 Napa Devil's Canyon. 426 Comment
  JEPS126070  Iris longipetala Jake Ruygt 1999-4-24 4138 Napa Sugarloaf State Park, N of Bald Mountain McCormick Ranch Area. Kenwood 7.5' Quad. Comment
  SEINET3876029  Iris macrosiphon L. Constance 1938-4-22 2132 Napa Above Dry Creek 2 miles West of Yountville, Miyakma Mountains, North Coast Ranges.; 0 457 Comment
  SEINET4170710  Iris macrosiphon Unknown 1938-4-22 2132 Napa Above Dry Creek, 2 mi W. of Yountville, Miyakma Mountains, North Coast Ranges 457 Comment
  UCD118351  Iris macrosiphon Reed Crane; 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. 403 Comment
  UCD48249  Iris macrosiphon K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 5 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south of path. 545 Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  UCD138766  Iris macrosiphon R. L. Smith 1948-5-8 s.n. Napa east branch of Monticello Valley near Samuel Springs. Comment
  JEPS103966  Isoetes howellii Jake Ruygt 1996-5-19 3708 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  UCD147466  Isoetes howellii Ellen Dean; Diana Hickson 2014-4-29 8079 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UC1751075  Isoetes orcuttii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2761 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS121362  Isolepis carinata Jake Ruygt 1986-6-21 1837 Napa Fagans Marsh Comment
  JEPS129148  Iva axillaris Jake Ruygt 1981-7-20 1071 Napa Napa Airport. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC340125  Jaumea carnosa Peter H. Raven 1951-9-9 3907 Napa Slaughterhouse Pt., Napa River 0 Comment
  JEPS106647  Jaumea carnosa Jake Ruygt 1979-7-29 786 Napa Fagan's Marsh 1 Comment
  JEPS106648  Jaumea carnosa Jake Ruygt 1991-7-27 2805 Napa Napa River, 100 yds north of Southern Crossing 0 Comment
  CAS-BOT-BC102320  Juglans hindsii J. H. Thomas 1960-8-29 8839 B Napa About 1 mile north of Calistoga along highway number 53 Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 Comment
  UCD49097  Juglans hindsii Kook-Hyun Chung; C. Ineich, J. Deusterman, and M. Hauselt 2001-4-28 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd., 2 m N of road. 219 Comment
  JEPS126047  Juncus acuminatus Jake Ruygt 1992-7-4 3060 Napa Wild Horse Valley Ranch, between Leoma and Mitten Lake. Mount George 7.5' Quad. Comment
  UCD18082  Juncus balticus Ellen Dean; with PLB 102 class 2000-4-22 637 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  JEPS66906  Juncus balticus W. L. Jepson Jun 23 1918-Jun 24 1918 7664 Napa Calistoga 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
  UCD147468  Juncus bufonius var. bufonius Ellen Dean; Diana Hickson 2014-4-29 8081 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD95940  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7065 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCD166705  Juncus occidentalis Jake Ruygt 2004-4-12 4585 Napa Gordon Valley Road, south side of Okell Hill. 115 Comment
  JEPS126064  Juncus orthophyllus Jake Ruygt 2000-5-24 4262 Napa Yountville Cross Road, Napa River Ecological Reserve. Yountville 7.5' Quad. Comment
  UCD20744  Juncus patens Ellen Dean; w/ Mark Bibbo 2002-6-17 1105 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 182 Comment
  RSA40264  Juncus patens L. S. Rose 1946-8-18 46264 Napa 3 miles NE of Napa. 61 Comment
  UCD167045  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1998-5-25 3998 b Napa Napa River Ecological Reserve, Yountville. 27 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
  JEPS126106  Juniperus californica Jake Ruygt 1980-3-22 814 Napa Between Snell Valley and Big Basin. Aetna Springs 7.5' Qua. Comment
  UCD167059  Juniperus occidentalis Jake Ruygt 1998-6-24 4057 Napa Taylor Bluff, Blue Ridge. 743 Comment
  POM14711  Keckiella lemmonii W. L. Jepson 1891-9-13 s.n. Napa Vacaville. Comment
  UC185352  Keckiella lemmonii Katharine Brandegee 1910-7-27 Napa Angwin's; Napa Range, Howell Mt. Comment
  UC917155  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 mi from Winters (on road to Monticello) Comment
  JEPS34511  Kickxia elatine Freed W. Hoffman Aug 1947 1689 Napa Sage Canyon; North Coast Ranges Comment
  RSA140851  Kickxia elatine John H. Thomas 1960-8-29 8840 Napa About 1 mile north of Calistoga along highway number 53. Comment
  RSA14978  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, east of Rutherford, Comment
  JEPS122912  Koeleria macrantha Jake Ruygt 2000-5-15 4250 Napa Henry Road, on old Henry Ranch. Quad: Napa. Comment
  UCD169865  Koeleria macrantha Daniel Potter; Peter Lash 2015-4-26 800 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UCD85793  Koeleria macrantha Beecher Crampton 1965-5-13 7334 Napa Conn Reservoir, 4.5 miles east of Rutherford. Comment
  CAS-BOT-BC499635  Kopsiopsis strobilacea L. R. Abrams 1928-5-4 12264 Napa Mt. St. Helena trail Comment
  UC1536759  Lactuca serriola G. H. True 1937-10-12 843 Napa roadside near Lokoya Lodge 304 Comment
  CAS-BOT-BC26056  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa bridge over Pope Creek, just south of Walters Spring Comment
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Mar 3 2018
  UCD47919  Lagophylla minor Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 13 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  JEPS39001  Lagophylla minor Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa Valley River Basin, Conn Valley Comment
  SBBG8506  Lagophylla minor H. and M. Dearing 1939-5-3 3260 Napa locality not specified Comment
  SEINET13095152  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
  JEPS129036  Lagophylla ramosissima Jake Ruygt 2016-5-28 6266 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain Comment
  CAS-BOT-BC341555  Lagophylla ramosissima Peter H. Raven 1952-5-31 4160 Napa Plain of Rector Creek 121 Comment
  JEPS122956  Lamarckia aurea Jake Ruygt 1980-2-24 803 Napa Old Soda Springs Road. Quad: Yountville. Comment
  CAS-BOT-BC338271  Lasthenia californica Peter H. Raven 1950-5-6 2020 Napa Near Old Faithful Geyser n. of Calistoga 182 Comment
  CDA13208  Lasthenia californica G. F. Hrusa, M. J. Geitner 1996-4-2 12822 Napa North Coast Biodiversity Arena; Summit of Palisades in Cub Valley. MonteSol Ranch. Comment
  UCD170814  Lasthenia californica 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
  HSC5150  Lasthenia californica Greg Bos 1963-3-30 52 Napa 5.5 mi. S of Middleton on Butte Canyon Rd. 320 Comment
  POM361516  Lasthenia californica J. T. Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  UC166655  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1514 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 365 Comment
  UCD48591  Lasthenia californica subsp. californica M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 15 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UCD48593  Lasthenia californica subsp. californica Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  UCD15013  Lasthenia californica subsp. californica Kay Wilder 1977-4-24 23 Napa along Pope Canyon Road, 15.6 miles N of Knoxville junction. 384 Comment
  SD70553  Lasthenia conjugens Robert Ornduff 1960-4-26 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon road. Comment
  UC1363760  Lasthenia conjugens Robert Ornduff 1960-4-26 6116 Napa 0.9 mi n of Soda Canyon Rd.; Silverado Trail Comment
  JEPS106622  Lasthenia glabrata subsp. glabrata Jake Ruygt 1982-5-13 1246 Napa .5 miles south of Imola Ave. on South Jefferson,Napa 1 Comment
  JEPS10167  Lasthenia gracilis W. L. Jepson 1893-4-28 Napa e Napa; Wooden Valley grade Comment
  UCD106197  Lathyrus aphaca Michael A. Vincent; Ethan H. Freid 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. 2.5 miles southeast of Calistoga city limits. Comment
  UCD168534  Lathyrus hirsutus 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
  SJSU10857  Lathyrus jepsonii var. jepsonii W. Savage 1983-6-6 1593 B Napa NE facing bank of S Slough, Cullinan Ranch Comment
  POM128965  Lathyrus sulphureus H. P. Chandler 1907-5-14 7578 Napa White Sulphur Spring, St. Helena. Comment
  UC1279970  Lathyrus tingitanus Peter H. Raven 1957-5-5 10756 Napa Calistoga Comment
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. Comment
  UCD168544  Lathyrus vestitus 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
  POM19738  Lathyrus vestitus subsp. vestitus C. F. Baker 1903-4-20 2607 Napa Mt. St. Helena. 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
  JEPS107262  Lathyrus vestitus var. vestitus Jake Ruygt 1976-5-7 62 Napa 8.4 miles NE of Westgate Dr. on Atlas Peak Road 646 Comment
  JEPS39100  Layia chrysanthemoides W. L. Jepson 1915-4-23 6257 Napa Conn Valley Napa Range, Conn Valley Comment
  POM190266  Layia chrysanthemoides D. D. Keck 1931-4-3 1074 Napa 3 miles NE of Aetna Springs, northern Napa County. Comment
  POM41472  Layia chrysanthemoides Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC323197  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  CAS-BOT-BC323198  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  JEPS39186  Layia chrysanthemoides Elsie Kraeger 1926-3-27 Napa meadow near Soscol Comment
  RSA261531  Layia chrysanthemoides Gilbert Muth 1971-4-10 1393 Napa Snell Valley, W side of extreme NW arm-tip of Lake Berryessa, northern Napa County. 152 Comment
  SEINET7881742 Image available Layia chrysanthemoides H. S. Reed 1939-1 225 Napa Napa Valley Comment
  UC169317  Layia chrysanthemoides Joseph P. Tracy 1902-5-26 1635 Napa near Calistoga; Northern Coast Ranges, Napa Valley 243 Comment
  HSC44002  Layia platyglossa Robert M. Specht 1977-4-13 647 Napa 524 Comment
  UCD160043  Layia platyglossa Catherine Koehler 2012-4-2 s.n. Napa McLaughlin UC Reserve. WSW of Knoxville Mine site, along Knoxville-Berryessa Road. North side of road. 464 Comment
  HSC43960  Layia septentrionalis Robert M. Specht 1977-4-19 700 Napa Above drainage running NE from Adams Creek (sire 163) 497 Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS40030  Layia septentrionalis Willis L. Jepson 1893-5-2 Napa grade to Pope Valley from Calistoga; Palisades Comment
  JEPS40041  Layia septentrionalis W. L. Jepson 1897-6-26 Napa Howell Mountain Comment
  UC1543040  Lemna trisulca Donald G. Nelson 1936-4-1 346 Napa Green Valley Falls Comment
  CHSC102265  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC89767  Lepidium latipes Alice Eastwood; John Thomas Howell 1938-5-15 5521 Napa Myrtledale Hot Springs. Comment
  CAS-BOT-BC12512  Lepidium nitidum Alice Eastwood 1922-3-25 11092 Napa Calistoga. Comment
  CAS-BOT-BC12514  Lepidium nitidum Peter H. Raven 1954-2-22 6409 Napa Orchards at west end of Saint Helena. 60 Comment
  JEPS106789  Lepidium nitidum var. nitidum Jake Ruygt 1982-3-2 1111 Napa north of HWY 12 near Huichica Creek 103 Comment
  JEPS120396  Lepidium oxycarpum Jake Ruygt 1993-4-18 3208 Napa north of American Canyon Creek, south of Am. Can. sanitation Comment
  UC10599  Lepidium strictum Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  RSA51336  Lepidium strictum P. H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  CAS-BOT-BC226537  Leptosiphon acicularis Peter H. Raven 1953-5-2 5385 Napa Hills due e. of Yountville 243 Comment
  CHSC42327  Leptosiphon androsaceus L. Constance 1938-4-22 2133 Napa Above Dry Creek 2 mi. W. of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  RSA468547  Leptosiphon androsaceus J. T. Howell 1931-4-19 6441 Napa Conn Valley. Comment
  HSC83421  Leptosiphon androsaceus Dave Read 1975-5-3 29 Napa Knoxville-Berryessa Rd., 16.2 mi. N of jct. with Hwy. 128 244 Comment
  SD147974  Leptosiphon androsaceus Etienne Oleksiewicz, Laurie Oleksiewicz 1981-4-22 19 Napa State Highway 128, 1.8 miles west of Monticello Dam. Comment
  UCD118586  Leptosiphon androsaceus G. F. Hrusa 1992-4-15 10379 Napa along Highway 128, approximately 2 m. north of Knoxville-Berryessa Road. 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
  RSA79005  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17116 Napa 4 mi N along hwy 29 from jct. of hwy 28 at Woodleaf NW of Calistoga Comment
  CAS-BOT-BC226693  Leptosiphon jepsonii L. R. Abrams 1928-5-3 12221 Napa St. Helena Grade Comment
  HSC17075  Leptosiphon parviflorus C. B. Wolf 1928-5-3 1792 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UCD141588  Leptosiphon parviflorus Ellen Dean 2013-4-27 7706 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCD18033  Leptosiphon parviflorus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 582 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD49235  Leptosiphon parviflorus S. Murphy; K. Keck and K. Dyer 2002-5-5 1 Napa Quail Ridge UC Reserve, northern tip of ridge, near junction of West and East roads, 15 m from S edge of stock pond. 328 Comment
  UCD167236  Leptosiphon parviflorus Jake Ruygt 1986-4-29 1714 Napa 0.4 mile east of Flosden Road on American Canyon Road. 60 Comment
  UCD167238  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1991-5-4 2642 Napa between Doe Lake and Granite lake, Friesen's Lakes. 594 Comment
  RSA91165  Lessingia hololeuca John T. Howell 1926-10-3 2210 Napa 2 miles N of Calistoga, Napa Valley Comment
  SD8921  Lessingia ramulosa Daniel Cleveland 1882-10-6 Napa Aetna Springs Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  SEINET9333270  Lessingia ramulosa Unknown 1961-8-14 5968 Napa Northern end of Capell Valley, along State Highway 128, above Capell Creek. Diffuse annual growing in serpentine chaparral. Comment
  UC33170  Lessingia ramulosa Willis L. Jepson 1893-9-24 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UC1198370  Lewisia rediviva Joseph P. Tracy 1902-5-21 1592 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 335 Comment
  UC204945  Lewisia rediviva C. F. Sonne May 1896 Napa Hills Napa Soda Springs Soda Springs Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  UC1103518  Lilaea scilloides J. P. Tracy 1903-5-16 1850 Napa near Calistoga; San Francisco Bay Region 91 Comment
  UC1746036  Lilaea scilloides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2763 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  JEPS17375  Limnanthes douglasii Rimo Bacigalupi with John Dawson 1955-4-25 4842 Napa 2 1/2 mi s Imola (along CA Hwy 29) Comment
  SEINET8727028 Image available Limnanthes douglasii Laura Zeller 1965-1 29 Napa ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  JEPS112543  Limnanthes douglasii subsp. douglasii Jake Ruygt 1996-3-30 3547 Napa Napa Valley Horseman's Association, Foster Road, Napa 6 Comment
  JEPS129068  Limnanthes douglasii subsp. nivea Jake Ruygt 2016-4-2 6169 b Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  SEINET5585702  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-1 8757 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of its junction with the Lower Chiles Valley Road. 230 Comment
  SBBG4054  Limnanthes douglasii subsp. nivea H. and M. Dearing 1939-5-2 5251 Napa near Napa Comment
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 Comment
  UC23346  Linanthus acicularis Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  UC614694  Linanthus androsaceus L. Constance 1938-4-22 2133 Napa 2 mi w Yountville (above Dry Creek); North Coast Ranges, Miyakma Mountains 457 Comment
  JEPS58160  Linanthus androsaceus W. L. Jepson 1892-3-25 20904 Napa Signal sta., Vaca Mts (w crest) Vaca Mts. Comment
  SEINET5732161 Image available Linanthus androsaceus Peta Lewis 1967-1 17 Napa Across from Monticello Dam, on State Highway 128.; Monticello Dam Comment
  UC23363  Linanthus androsaceus Willis L. Jepson 1893-4-28 Napa trail to Caux's Cabin Napa River Basin Comment
  UCD15265  Linanthus bicolor Patsy Barry 1984-5-12 16 Napa serpentine outcrop on Hwy 128 near Moscowite corners: 304 Comment
  UC23500  Linanthus dichotomus Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UCR115094  Linanthus dichotomus G. Fred Hrusa, S. Larson 1995-4-10 12057 Napa 0.25 mi. below bridge over Pope Creek, on Pope Canyon Rd 175 Comment
  SEINET7075539  Linanthus grandiflorus A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
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Jul 19 2018
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  JEPS85050  Linanthus parviflorus Larry Heckard and Mary Ashton 1969-5-3 2214 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the n meadow) 510 Comment
  JEPS101591  Linanthus pygmaeus subsp. continentalis Dean W. Taylor 1998-6-18 16678 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  JEPS37735  Lithocarpus densiflorus W. L. Jepson 1894-10-14 Napa Rebecca Ranch grade; Upper Napa Valley Comment
  CAS-BOT-BC36061  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1926-10-3 2209 Napa St. Helena Creek on emile below Patten's 609 Comment
  CAS-BOT-BC430622  Lithophragma affine Peter H. Raven 1953-4-2 5258 Napa hills e. of Imola 121 Comment
  UCD83725  Lithophragma affine Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 4 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 Comment
  CAS-BOT-BC430626  Lithophragma affine L. R. Abrams 1928-5-3 12244 Napa Summit Mt. St. Helena Grade Comment
  RSA734141  Lithophragma affine Keith E. Hoffmaster 1946-3-23 1238 Napa Napa Range Comment
  UCD102700  Lithophragma affine David Lawfer 1952-3-29 139 Napa Napa. Comment
  CHSC20610  Lithophragma heterophyllum Carol C. Getzinger 1964-3-24 9 Napa Mt. Veeder Road, 2 miles south from junction with Dry Creek Road, near Pickle Can Creek. 548 Comment
  UC1088545  Lithophragma heterophyllum Roy L. Taylor 1959-5-3 4032 Napa one half mi from Mayachamas Vineyard Office Comment
  UCD159923  Logfia filaginoides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.E section. 243 Comment
  UCD21542  Logfia filaginoides B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 8 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of) intersection with Knoxville-Berryessa Road. 487 Comment
  UCD63176  Logfia filaginoides Jake Ruygt 1996-4-27 3630 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 243 Comment
  JEPS20922  Logfia filaginoides W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  JEPS33574  Logfia gallica W. L. Jepson 1944-5-21 27525 Napa fields 7 mi n Napa (e side of Napa Valley); Napa Valley Comment
  UC165833  Logfia gallica J. P. Tracy 1902-5-17 1519 Napa 3-4 m e of Angwin' (head of Moore's Creek); Howell Mountain,Moore's Creek 365 Comment
  JEPS104544  Lomatium californicum Jake Ruygt 1994-3-26 3334 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 79 Comment
  SBBG5199  Lomatium californicum H. and M. Dearing 1939-5-1 3243 Napa Spring Mtn Grade, Comment
  JEPS122699  Lomatium caruifolium var. denticulatum Jake Ruygt 2004-5-1 4587 Napa Green Valley Ranch, northeast of ranch compound. Quad: Mt. George. Comment
  UCD19955  Lomatium dasycarpum E. A. Dean; Virginia Boucher 2002-2-28 904 Napa Quail Ridge Reserve. Along upper trail, north of stock pond near Quail Ridge tip. 0.25 airline miles NE of junction with West Rd. 304 Comment
  UCR45089  Lomatium dasycarpum 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
  SD125708  Lomatium dasycarpum L. F. Lapre 1986-4-25 Napa Tributary of Hunting Creek from the east, 2 miles southwest of the site of Knoxville, just east of Lake County line. 365 Comment
  RSA452088  Lomatium dasycarpum subsp. dasycarpum Joseph A. Ewan 1934-4-30 8829 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  UCD148109  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-4-6 485 Napa Napa County; on Snell Valley Rd. 0.3 mi. east of Butts Canyon Rd. 207 Comment
  UCD18025  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 571 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD18065  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Plant Biology 102 class 2000-4-22 620 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  RSA0000717  Lomatium dasycarpum var. medium W. L. Jepson 1896-6-2 14303 Napa Conn Valley Ridge. Napa Valley Basin. Comment
  LA202888  Lomatium hooveri Mildred E. Mathias; 1937-5-23 1298 Napa 1.9 mi. SE of Napa-Lake County line on road to Knoxville Comment
  UCD47859  Lomatium hooveri E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 16 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  HSC70623  Lomatium marginatum var. marginatum J. M. DiTomaso 1980-6-13 1584 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  JEPS104549  Lomatium marginatum var. purpureum Jake Ruygt 1986-3-29 1678 Napa Devilshead Rd.; ''sensitive plant canyon'' 441 Comment
  JEPS104568  Lomatium marginatum var. purpureum Jake Ruygt 1998-5-2 3953 Napa Jerd Creek 329 Comment
  RSA452596  Lomatium marginatum var. purpureum J. T. Howell 1931-4-19 6466 Napa Conn Valley (region of type locality) Comment
  UCD161354  Lomatium marginatum var. purpureum Jake Ruygt 1987-5-23 2009 Napa North end of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 441 Comment
  HSC103468  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane Nelson 1981-4-14 6373 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 Comment
  UCD63186  Lomatium marginatum var. purpureum Jake Ruygt 2005-3-28 4726 Napa About 2 miles north of Turtle Rock on Berryessa-Knoxville Rd. 152 Comment
  JEPS104552  Lomatium repostum Jake Ruygt 1989-5-13 2324 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 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
  UCD160296  Lomatium repostum James A. Neilson Jr. 1975-5-17 3193 Napa Robert Louis Stevenson State Park, 2/3 of the way along road to summit of Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  SEINET11130159  Lomatium repostum D. H. French 1968-4-20 2861 Napa Mount St. Helena, above fire access road, ca 0.5 mile above monument for R.L. Stevenson's former cabin. Comment
  UCD127434  Lomatium utriculatum G. F. Hrusa 1995-3-26 12027 Napa Univ. of Calif. - Quail Ridge Reserve. 290 Comment
  UCD47866  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 24 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Barryessa-Knoxville Road. 411 Comment
  UCD47867  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 25 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UC176034  Lomatium utriculatum H. P. Chandler 1907-5-19 7574 Napa St. Helena, White Sulphur Spring Comment
  UCD63187  Lomatium utriculatum Jake Ruygt 1980-3-22 815 Napa Snell Valley. Comment
  JEPS104516  Lomatium vaginatum Jake Ruygt 1993-4-3 3186 Napa Oat Hill Mine Rd. below the Palisades. 658 Comment
  CAS-BOT-BC240799  Lonicera interrupta John H. Thomas 1958-4-19 7126 Napa About 2 miles SW of Oakville 152 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
  SEINET5501037 Image available Lonicera interrupta Sally Walker 1981-5-18 Napa 3.6 mi S of middletown, Napa Co. Comment
  HSC43986  Lotus humistratus Robert M. Specht 1977-4-19 691 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS107211  Lotus micranthus Jake Ruygt 1990-4-21 2488 Napa Giles Mead Ranch, Atlas Peak Rd. 475 Comment
  UCR30812  Lotus micranthus John C. Roos 1939-4-16 315 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  CDA27274  Lotus micranthus T. C. Fuller 1958-5-1 3721 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  SEINET7072526  Lotus parviflorus A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  UCR220102  Lotus scoparius var. scoparius Ayzik Solomeshch, Stephen Rae 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  JEPS107201  Lotus strigosus Jake Ruygt 1996-4-6 3560 Napa East end of Rector Reservoir. 152 Comment
  RSA735364  Lupinus Keith E. Hoffmaster 1946-3-23 1093 Napa Napa range, along Napa-Monticello road Comment
  UCD162090  Lupinus albifrons Dylan O. Burge 2014-3-15 1487 Napa Mount Saint Helena. 850 Comment
  UCD47998  Lupinus albifrons Ryan Knox; E. McDermott, and G. Walden 2002-4-13 12 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of the road. 432 Comment
  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-BC201548  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-3-22 1131 Napa Howell Mt. Comment
  CDA11338  Lupinus albifrons var. albifrons G. F. Hrusa 1995-4-2 12048 Napa North Coast Biodiversity Arena; 1 m. NE of corner of Chiles-Pope Valley Rd. and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res., on Hwy. 128. Comment
  RSA15682  Lupinus albifrons var. albifrons Carl B. Wolf 1928-2-25 1486 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD170209  Lupinus albifrons var. albifrons Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 748 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  JEPS107229  Lupinus bicolor Jake Ruygt 1982-3-28 1154 Napa Suscol plain between Rocktram and HWY 29 (221) 3 Comment
  JEPS107231  Lupinus bicolor Jake Ruygt 1982-4-25 1204 a Napa Aetna Springs below Swartz Canyon 246 Comment
  JEPS64975  Lupinus bicolor W. L. Jepson 1915-4-23 6265 Napa Chiles Creek hills Conn Valley, Chiles Creek hills 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
  UCD161527  Lupinus bicolor Jake Ruygt 1991-4-6 2623 -z Napa Lyerla Ranch, near Montgomery Creek on Mt. Veeder Road. 350 Comment
  POM181684  Lupinus densiflorus var. aureus Williams 1927-4-15 s.n. Napa Hills. Comment
  RSA15124  Lupinus densiflorus var. densiflorus J. T. Howell 1935-5-12 12625 Napa Along Pope Creek near its confluence with Putah Creek. Comment
  UC127048  Lupinus formosus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows, Howell Mt. Napa River Basin Comment
  UC15866  Lupinus formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  UCD108108  Lupinus latifolius K. Esau; E. Hyde 1938-5-25 s.n. Napa Exact location unknown. Comment
  POM10765  Lupinus latifolius subsp. latifolius C. F. Baker 1903-4-20 2623 Napa Mt. St. Helena. Comment
  RSA161243  Lupinus latifolius subsp. latifolius Peter H. Raven 1957-5-5 10781 Napa Hills at western edge of Calistoga. 183 Comment
  OBI48332  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  JEPS108045  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. 274 Comment
  RSA659034  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa Ca 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  CHSC108727  Lupinus microcarpus var. microcarpus B. Castro; L. P. Janeway 2002-5-12 1371 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  CDA11320  Lupinus nanus G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12026 Napa UC Quail Ridge Reserve, at entrance gate. Comment
  CHSC84571  Lupinus nanus John Dittes 2003-4-5 2003 -14 Napa Inner North Coast Range; approximately 6.0 air-miles north of Calistoga, west of confluence of St. Helena and Van Ness Creeks, approximately 0.7 air-mile south of the Lake County Line; on slope below State Hwy 29. 475 Comment
  JEPS65362  Lupinus nanus W. L. Jepson 1915-4-23 6241 Napa hills e St. Helena; hills e of St. Helena 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
  UCD149704  Lupinus nanus Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Northeast of St.Helena, along Sanitarium Road, east of intersection with Glass Mountain Road, vineyard conversion. Partridge Vineyard property. 95 Comment
  UCD70476  Lupinus nanus P. J. Plummer 1995-5-27 s.n. Napa W of city of Winters, off hwy 128. 335 Comment
  UCD161683  Lupinus nanus Jake Ruygt 2008-5-10 5329 Napa Buzzard's Roost, east of Stags Leap, Napa Range. 609 Comment
  UCD19869  Lupinus nanus C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1196 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  CAS-BOT-BC202220  Lupinus sericatus Charles Piper Smith 1948-6-3 48312 Napa Highway 29 - Stevenson Place, 1.1 miles north Comment
  JEPS65437  Lupinus sericatus Willis L. Jepson 1893-5-4 14527 Napa near Toll-house (Mt. St. Helena); Napa River Basin, Mt. St. Helena 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
  UCD47982  Lupinus succulentus A. Miles; E. Anderson, L. Lina, J. Waggoner, R. Wenk 2000-4-22 18 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  UCD109604  Lupinus succulentus Freed W. Hoffman 1947-4-7 662 Napa North Coast Ranges, confluence of Bucksnort and Putah creeks, Hennessy Ranch. Comment
  RSA0011307  Lythrum hyssopifolia E. S. Spalding 1924-7-7 s.n. Napa Napa Valley near St. Helena. Comment
  JEPS112656  Lythrum tribracteatum Jake Ruygt 1983-8-19 1497 Napa Marina Dr., Napa 4 Comment
  UC527943  Madia anomala R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6671 Napa 6 mi ne of Pacific Union College; Howell Mt., Aetna Springs Comment
  UC127121  Madia elegans Harley P. Chandler Sep 7 1906-Sep 14 1906 7131 Napa Howell Mountain Alta Loma Ranch 487 Comment
  UCD159955  Madia exigua Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  CAS-BOT-BC344442  Madia exigua H. M. Hall 1931-5-26 13090 Napa Napa Range. Summit of Wooden Valley grade 365 Comment
  POM231110  Madia exigua Jens Clausen 1935-5-22 1070 Napa Ca. 1 mile east of Chiles Valley Store Comment
  UC173111  Madia exigua Katharine Brandegee Napa road from Toll House to Calistoga Comment
  UCD161280  Madia gracilis Jake Ruygt 2000-5-10 4245 -b Napa north Pope Valley, 0.4 miles from Pope Creek. (Coordinates estimated by label maker at UC Davis). 207 Comment
  UCD48577  Madia gracilis Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  JEPS40220  Madia gracilis W. L. Jepson 1894-7-19 Napa Calistoga Man. Bay. Reg. Comment
  RSA52718  Madia gracilis subsp. gracilis I. L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  RSA10705  Madia nutans C. B. Wolf 1928-5-3 1782 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SD27912  Madia nutans Carl B. Wolf 1928-5-3 1782 Napa 5.0 miles north of Calistoga; Mt. St. Helena Grade. Comment
  SEINET11807294  Madia nutans F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -296 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC345044  Madia sativa Peter H. Raven 1950-6-20 2348 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  JEPS40221  Madia sativa Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC508545  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1432 Napa Wooden Valley Grade above Napa 304 Comment
  UCSB711  Maianthemum stellatum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  CAS-BOT-BC347511  Malacothrix floccifera H. M. Hall 1931-5-27 13096 Napa Near Knoxville 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
  UCD134397  Malacothrix floccifera B. Wengeler 1995-4-30 s.n. Napa 0.2 mile north of Hwy 128 along Knoxville Road. 183 Comment
  JEPS122723  Malvella leprosa Jake Ruygt 1992-9-5 3147 Napa Highway 29 at intersection with Highway 12. Quad: Cuttings Wharf. Comment
  UC504872  Marah fabacea R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  HSC103452  Marah watsonii Thomas W. Nelson, Jane Nelson 1981-4-14 6395 Napa Along Devil's Head Rd., .5 mi. from junction with Morgan Valley Rd., at junction with road to Hunting Creek 549 Comment
  UCD136577  Marsilea vestita subsp. vestita Kurt Santarius 1967-9-10 s.n. Napa Lake Hennessey. Comment
  UCD48966  Medicago polymorpha Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 9 Napa Quail Ridge Reserve, Decker Canyon, along South Decker Canyon Rd., N of jct with Cut-Off Rd. and S of jct with North Decker Canyon Rd., W of old buildings. 167 Comment
  CAS-BOT-BC269417  Melica californica California Academy of Sciences 1870-5-1 s.n. Napa Oakville Comment
  CAS-BOT-BC269418  Melica californica John Thomas Howell 1931-4-3 6123 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  HSC43991  Melica californica Robert M. Specht 1977-4-19 686 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS122953  Melica californica Jake Ruygt 1995-4-17 3429 Napa End of Niebaum Road, Bear Canyon. Quad: Rutherford. Comment
  JEPS76280  Melica californica W. L. Jepson 1943-5-15 20774 Napa Knoxville Ridge Comment
  UCD86929  Melica californica Beecher Crampton 1962-5-16 6438 Napa Napa county. 0.5 mile east Chiles Valley School, along state Hwy. 128. Comment
  UCD87231  Melica californica R. Tofsrud 1950-4-24 s.n. Napa 3 mi. S of Monticello. Comment
  UCD93078  Melica californica Catherine E. Koehler 2008-4-4 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 Comment
  CAS-BOT-BC282165  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St Helena Grade Comment
  CDA11436  Melica geyeri G. F. Hrusa, M. Tu 1995-5-6 12159 Napa North Coast Biodiversity Arena; Shade of Quercus garryana at edge of redwood forest along Moores Creek in Las Posadas State Forest. Small colony, along steep slope approx 40 ft. above creek. Perennial. Comment
  UC187217  Melica geyeri Joseph P. Tracy 1902-5-15 1468 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 396 Comment
  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
  UC766850  Melica harfordii R. F. Hoover 1941-5-10 5013 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC264212  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CAS-BOT-BC264216  Melica torreyana Peter H. Raven 1957-5-5 10760 Napa Hills at western edge of Calistoga 152 Comment
  CHSC83356  Melica torreyana L. P. Janeway; B. Castro 2002-5-12 7541 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  JEPS75644  Melica torreyana W. L. Jepson 1936-5-31 17576 Napa La Jota; Napa Range, Howell Mt. Comment
  UCD149682  Melica torreyana Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD160727  Melica torreyana Ellen Dean 2015-5-23 8779 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  JEPS65544  Melilotus albus W. L. Jepson 1936-7-6 17656 Napa Devil's Gate Putah Pass Comment
  POM66928  Melilotus indicus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA769187  Mentha X piperita L. Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 air miles west of Winters 135 Comment
  RSA92938  Mentha canadensis Peter H. Raven 1952-9-14 5178 Napa Conn Cree E of Yountville Comment
  CDA34660  Mentha pulegium L. Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  UC1239690  Mentha spicata Joseph P. Tracy 1899-7-3 403 Napa on hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, Moore's Creek, Howell Mountain 335 Comment
  UCR44909  Mentzelia laevicaulis L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  CDA10905  Micropus californicus G. F. Hrusa, M. Rejmanek 1993-5-15 11001 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD159957  Micropus californicus Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Along roadside on the way to burn site. 243 Comment
  SEINET205166  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek ca .5 mi W of Devilhead Rd ca 3 mi SSW of Knoxville Comment
  SEINET200984  Micropus californicus var. californicus J. P. Tracy 1902-5-14 1442 Napa Howell Mountain Grade near St. Helena 305 Comment
  CAS-BOT-BC348680  Microseris acuminata Peter H. Raven 1953-4-2 5237 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC348971  Microseris douglasii subsp. douglasii Peter H. Raven 1950-5-6 2027 Napa Near Old Faithful Geyser midway between Rts. 28 and 29 just N. of Calistoga 182 Comment
  UCD63151  Microseris sylvatica Jake Ruygt 1998-4-27 3936 Napa 1/2 mile south of Knoxville Rd, east of Berryessa-Knox. Rd. 426 Comment
  UC1778559  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  RSA535782  Mimulus angustatus David M. Thompson 1988-4-3 865 Napa +/- air mi SE of Angqin. Las Posadas State Forest. 1.1 road mi E of Howell Mt. Road via Dold Springs and Las Posadas roads, then over fence and along road to large area of granite boulders in an open meadow 488 Comment
  UC26855  Mimulus angustatus W. L. Jepson 1893-4-28 Napa plateau n Mt. George; Napa Range Comment
  UC147916  Mimulus arvensis J. P. Tracy 1899-6-11 362 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  JEPS11341  Mimulus arvensis Willis L. Jepson 1893-4-26 12 m Napa Yountville Napa River Basin Comment
  RSA602371  Mimulus aurantiacus Louis C. Wheeler 1952-8-30 6879 Napa Manganese Ridge: Moore Creek, Howell Mountain 366 Comment
  UCD160390  Mimulus aurantiacus Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  UCD169888  Mimulus aurantiacus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 727 Napa Knoxville Wildlife Area. 311 Comment
  HSC45331  Mimulus aurantiacus var. aurantiacus R. York 1978-4-8 104 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  HSC72431  Mimulus aurantiacus var. aurantiacus J. P. Smith, J. O. Sawyer 1970-5-17 3774 Napa 3 mi. S of Pope Valley Comment
  UC796465  Mimulus aurantiacus var. aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa about 1.5 mi from Calistoga (along old toll road between Calistoga and Middletown) Comment
  RSA0006036  Mimulus bakeri C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena. Comment
  CDA41660  Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  UC1239053  Mimulus cardinalis Freed W. Hoffman 1946-8-20 848 Napa Conn Dam North Coast Ranges Comment
  JEPS110608  Mimulus congdonii Jake Ruygt 1982-3-20 1135 Napa Mt. St. John 548 Comment
  UCD84988  Mimulus douglasii Dena Grossenbacher 2009-3-23 950 Napa 0.3 miles west of Potato Hill and 0.1 miles north of High Point, Duff Preserve, Napa County Land Trust property. 755 Comment
  JEPS11534  Mimulus grandis Willis L. Jepson 1893-4-24 4 m Napa hills e St. Helena (to Conn Valley Grade); Napa River Basin, Howell Mt. foothills Comment
  UC103695  Mimulus guttatus T. S. Brandegee Aug. 1888 Napa Howell Mt. 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
  UCD20376  Mimulus kelloggii K. Esau 1933-4-14 s. n. Napa Napa County, Calistoga, near petrified forest. Comment
  JEPS128916  Mimulus latidens Juanita Duran 2000-4-18 4227 Napa Saint Helena; Spring street, 1.5 west of Highway. Rutherford 7.5' Quad. Comment
  UC147907  Mimulus layneae J. P. Tracy June 14,1899- July 10, 1899 361 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain 518 Comment
  JEPS11437  Mimulus microphyllus W. L. Jepson 1921-5-6 9173 Napa Yountville 30 Comment
  JEPS85027  Mimulus microphyllus Larry Heckard, Mary Ashton 1969-5-3 2212 Napa ca. 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd., above and w of meadow) 510 Comment
  UC26986  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  JEPS11428  Mimulus nasutus W. L. Jepson 1921-5-6 9169 Napa Yountville 30 Comment
  JEPS100845  Mimulus nudatus Dean Wm. Taylor with Mey Akasah 1999-6-4 17223 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  JEPS82744  Mimulus nudatus L. R. Heckard and J. C. Hickman 1984-4-6 6148 Napa se Lake County line (Butts Canyon road); Butts Creek Comment
  RSA183420  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, 4 miles (airline) south and a little west of Knoxville 655 Comment
  UC1731235  Mimulus nudatus Dean W. Taylor 1998-6-18 16674 Napa small side canyon 0.5 mi n of mouth into Pope Valley Butts Canyon; NCoRI 289 Comment
  UCD122792  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  JEPS110594  Mimulus pulsiferae Jake Ruygt 1992-5-6 2946 Napa west of Mitten Lake, Wild Horse Valley 420 Comment
  JEPS128903  Mimulus pulsiferae Jake Ruygt 1991-5-1 2665 Napa Intersection Aetna Extension Road with Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  UC147883  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, dry stream bed); Howell Mountain, La Jota Plateau 518 Comment
  JEPS4668  Mimulus pulsiferae W. L. Jepson 1893-5-8 59 m Napa near La Jota Falls; Howell Mt., La Jota Plateau Comment
  UC1778537  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa Vernal pool 15 meters E of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine site.Lat corrected from 35 426 Comment
  JEPS106745  Minuartia californica Jake Ruygt 1978-3-12 242 Napa .8 miles northeast of Buuts Canyon Rd. on Snell Valley Rd. 185 Comment
  JEPS22484  Minuartia californica Willis L. Jepson 1893-1 Napa plateau n Mt. George; Napa River Basin Comment
  JEPS51426  Minuartia californica W. L. Jepson 1940-2-29 19500 Napa 4 mi se Yountville; Vicinity of San Francisco Bay, Napa Valley Comment
  CAS-BOT-BC388754  Minuartia douglasii L. R. Abrams 1928-5-3 12222 Napa St. Helena Grade Comment
  JEPS129020  Minuartia douglasii Jake Ruygt 2016-5-7 6234 -B Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. 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
  UC1103536  Minuartia douglasii Joseph P. Tracy 1902-5-15 1484 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD118629  Minuartia douglasii Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and just north of Recreation Flat, on south facing slope. 389 Comment
  JEPS84704  Minuartia douglasii John W. Willoughby 1977-4-20 2140 Napa below and just to s of Mount Vaca (w side of ridge); Vaca Mountains, Blue Ridge 457 Comment
  CAS-BOT-BC220616  Monardella villosa Peter H. Raven 1950-6-20 2342 Napa In the Napa Range between Conn Valley & the Summit of Howell Mtn., Napa Range Comment
  CAS-BOT-BC488327  Monardella villosa subsp. villosa Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersetion with Berryessa-Knoxville Road 140 Comment
  UC25539  Monardella villosa subsp. villosa Edw. L. Greene July 1891 Napa Comment
  UCD166665  Monardella villosa subsp. villosa Jake Ruygt 1998-7-11 4082 Napa Blue Ridge, about 1.5 miles north of Mays Flat. 701 Comment
  UCD166667  Monardella villosa subsp. villosa Jake Ruygt 2007-6-2 5220 Napa Duff Ranch, road above Simmons Canyon. 573 Comment
  CAS-BOT-BC220690  Monardella viridis Elizabeth McClintock 1952-8-31 52 -602 Napa About 4 miles north of Aetna Springs, in Butts Canyon Comment
  UC1602273  Monardella viridis Jepson 1893-5-4 32 f Napa Mt. St. Helena Comment
  JEPS55474  Monardella viridis subsp. viridis W. L. Jepson 1894-10-13 70 e Napa Upper Conn Valley Comment
  SEINET10582240  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 368 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  UCD170521  Monolopia major Daniel Potter; Ninh Khuu 2017-5-14 919 Napa Knoxville Wildlife Area, along Nevada Creek. 330 Comment
  JEPS112612  Montia parviflora Jake Ruygt 1991-5-11 2653 b Napa Howell Mountain Road, S of Ink Grade 551 Comment
  JEPS120375  Morus alba Jake Ruygt 1989-9-25 2412 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  JEPS62066  Muilla maritima Elsa Kraeger 1926-3-27 Napa in field near geyser; Calistoga Comment
  POM182667  Muilla maritima David D. Keck 1931-4-4 1096 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UC1019315  Nassella cernua Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5332 Napa creek e Samuels Springs; Pope Creek 91 Comment
  UC526761  Nassella cernua Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi e St. Helena; North Coast Ranges 304 Comment
  SEINET212975  Nassella lepida Diana Toth 1974-4-29 Napa Rt 128 between Rutherford and Davis Comment
  UCD87825  Nassella lepida Beecher Crampton 1956-5-25 3481 Napa Howell Mountains, above Wooden Valley. Comment
  UCD87831  Nassella lepida Beecher Crampton 1957-6-4 4102 Napa North end of Capell Valley. Comment
  SEINET11695741  Nassella lepida Unknown 1956-5-25 3481 Napa Howell Mountains, above SW corner of Wooden Valley Comment
  CAS-BOT-BC260183  Nassella pulchra David D. Keck 1931-4-2 1004 Napa Foot of Wooden Valley grade, 4 miles NE of Napa 50 Comment
  JEPS85048  Nassella pulchra Larry Heckard and Mary Ashton 1969-5-3 2219 Napa 7 mi ne Napa (off the Atlas Peak Rd.; Mead Ranch; above and w of the north meadow); Mead Ranche 510 Comment
  UCD148807  Nassella pulchra Ellen Dean; Diana Hickson 2014-4-29 8114 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CAS-BOT-BC230260  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa Tributary of Putah Creek, Pope Valley Comment
  JEPS112539  Navarretia divaricata subsp. vividior Jake Ruygt 1982-5-26 1296 Napa S of Robert Louis Stevenson Park toward Palisades 792 Comment
  CAS-BOT-BC230306  Navarretia heterandra Beecher Crampton 1960-6-29 5747 Napa 2 miles N of Spanish Flat, W shore of Lake Berryessa Comment
  UC335957  Navarretia heterodoxa C. C. Parry 1881-8-3 Napa Calistoga Comment
  UCR212281  Navarretia heterodoxa Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD73437  Navarretia intertexta 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
  JEPS112534  Navarretia intertexta subsp. intertexta Jake Ruygt 1980-6-21 932 Napa Bear Valley 621 Comment
  JEPS116994  Navarretia intertexta subsp. intertexta David Gowen 2008-5-14 911 Napa South side of Snell Rd. ca. 200 feet east of junction with Butts Canyon Rd. Comment
  JEPS112521  Navarretia jepsonii Jake Ruygt 2002-5-8 4417 Napa Missimer/Snell Valley Wildflower Preserve 179 Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UCD48416  Navarretia jepsonii Mrs. K. Brandegee 1910-7-26 148 Napa Near Aetna Springs, Napa County, in depression in clay soil. Comment
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  UCD167193  Navarretia mellita Jake Ruygt 1990-6-9 2591 Napa Arrowhead Mountain. 225 Comment
  UCD48586  Navarretia mellita Beecher Crampton 1965-6-30 7393 Napa summit of Mt. Vaca, Vaca Mountains. 872 Comment
  UCD167445  Navarretia pubescens James A. Neilson Jr. 1979-5-25 3973 Napa Manhattan Mine area, 1 mile northwest of Knoxville. (Manhattan Mine is now known as Homestake McLaughlin Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS70416  Navarretia pubescens Willis L. Jepson 1892-7-28 20964 Napa near Knoxville (ne Napa Co.); Mountain Region of Clear Lake Comment
  SEINET12350537  Navarretia pubescens Unknown 1959-5-26 5258 Napa Vaca Mountains, Marley Canyon, along State highway 128 Comment
  JEPS110946  Navarretia squarrosa Jake Ruygt 1981-7-15 1065 Napa 1.5 miles north of Browns Valley Rd. on Redwood Rd. 152 Comment
  JEPS70448  Navarretia squarrosa Willis L. Jepson 1893-9-24 20948 Napa Angwin's Meadow Napa River Basin, Howell Mt. Comment
  JEPS101625  Navarretia subuligera Dean W. Taylor 1998-6-3 16458 B Napa basin in headwaters Cedar Canyon, between Twin Peaks and Sugarloaf Mountain, at end of road up (west from) Aetna Springs 548 Comment
  HSC89995  Navarretia viscidula W. L. Jepson 1942-8-4 20731 Napa Adam-and-Eve Ridge, Howell Mtn. Comment
  JEPS120357  Navarretia viscidula Jake Ruygt 1991-8-5 2825 Napa Rutherford Hill Lane. Rutherford 7.5' Quad. 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
  JEPS70512  Navarretia viscidula W. L. Jepson 1901-8-6 1736 Napa near Bottle Mt.; Napa River Basin, St. Helena Comment
  JEPS106577  Nemacladus capillaris Jake Ruygt 1992-6-13 3034 Napa Bear Valley, on road, west of creek 633 Comment
  JEPS22750  Nemacladus capillaris Francia Chisaki 1957-5-30 971 Napa between Chiles Valley and Monticello (by Soda Creek); Soda Creek Comment
  SEINET10873103  Nemacladus capillaris Baker 1947-7-7 Baker 11852 Napa At end of wood road leading south from Mount St. Helena Inn towards "The Crater" 914 Comment
  JEPS106578  Nemacladus montanus Jake Ruygt 1989-4-22 2286 Napa NE corner of HWY 128 and Berryessa-Knoxville Rd.,Capell Cyn. 207 Comment
  JEPS5479  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge; ne Napa County Comment
  UCD72910  Nemacladus montanus B. Wengeler 1995-4-30 s.n. Napa 2 m N of hwy 128 along Knoxville Rd. 183 Comment
  OBI20979  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa Above Soda Crk along State hwy 28, 8.2 mi E of Conn Lake reservoir Comment
  UCD126390  Nemacladus montanus Robert E. Preston 1987-6-20 569 Napa 3/4 mile north of Round Corral in Big Basin. 268 Comment
  JEPS3146  Nemophila heterophylla L. Constance 1938-4-22 2134 Napa above Dry Creek 2 mi w Yountville (Miyakma Mountains, North Coast Ranges); North Coast Ranges, Miyakma Mountains, above Dry Creek 457 Comment
  RSA75813  Nemophila heterophylla Lincoln Constance 1938-4-22 2134 Napa Above Dry Creek 2 miles west of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  UCD73400  Nemophila heterophylla 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
  UC606891  Nemophila heterophylla L. Constance 1938-3-27 2035 Napa e slope 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UC880874  Nemophila heterophylla Lewis S. Rose 1939-4-16 39087 Napa 10 mi ne Napa (Wooden Valley); ne of Napa, Wooden Valley Comment
  SFV12280  Nemophila menziesii L. Chang 1965-3-19 3 Napa Field besied Dollarhide Road, about 3-4 miles east of Pope Valley. 150 Comment
  UC606903  Nemophila menziesii L. Constance 1938-3-27 2033 Napa 5 mi e Napa (n slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UCD120085  Nemophila menziesii Everett H. Everson 1951-4-8 23 Napa 6.1 miles southwest of Monticello, on Napa Road. Comment
  POM263485  Nemophila menziesii var. menziesii J. C. Roos 1939-3-31 308 Napa Angwin. Howell Mtns. Comment
  POM289744  Nemophila menziesii var. menziesii Ethel Crum 1936-3-15 1738 Napa Chiles Valley Road, 3.2 miles from Pope Valley store. Comment
  JEPS1108689  Nemophila pedunculata Jake Ruygt 1994-5-5 3405 Napa Paradise Valley 280 Comment
  SD58155  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  JEPS12388  Nicotiana quadrivalvis Willis L. Jepson Nov 26 1895-Nov 27 1895 21247 Napa White Sulphur Springs; Napa Valley, Napa River Basin Comment
  JEPS110671  Nuttallanthus texanus Jake Ruygt 1992-4-10 2902 Napa SW of Leoma Lakes, Wild Horse Valley Ranch 426 Comment
  JEPS129065  Nymphaea odorata Jake Ruygt 1991-7-20 2778 Napa Doe Lake, Friesen's Lakes, Angwin. Saint Helena 7.5' Quad. Comment
  UC723786  Odontostomum hartwegii Joseph Andorfer Ewan 1934-4-30 8811 Napa Sarco Creek 4 mi. above Napa; Sarco Creek Comment
  JEPS104513  Oenanthe sarmentosa Jake Ruygt 1980-5-9 880 Napa Edgerley Island 0 Comment
  JEPS47330  Orobanche fasciculata L. R. Heckard and Rimo Bacigalupi 1965-5-15 1458 Napa Along Zim Zim Creek, about 2 1/2 air miles south of Knoxville. Comment
  JEPS120331  Orobanche uniflora Jake Ruygt 2005-5-11 4830 Napa Cub Valley, south of Bear Valley. Detert Reservoir 7.5' Quad. Comment
  JEPS60260  Orobanche valida subsp. howellii L. R. Heckard 1969-7-13 2331 Napa Mt. St. Helena; se of lookout, below and s of the radar installation 1219 Comment
  POM15656  Orthocarpus erianthus C. F. Baker 1903-4-19 2632 Napa Calistoga. Comment
  RSA155421  Orthocarpus erianthus L. S. Rose 1961-3-30 61023 Napa 6 mi w of Napa. 122 Comment
  RSA202268  Orthocarpus faucibarbatus L. D. Thurman 1964-4-15 392 Napa 5 miles north of Napa on Silverado trail. Comment
  RSA292970  Orthocarpus lithospermoides Reino Alava 1957-5-30 1011 Napa About 0.7 mile west of the Chiles Valley School. Comment
  JEPS15890  Osmorhiza berteroi John Benson 1887-1-1 Napa Comment
  OBI15512  Packera clevelandii Robert F. Hoover 1966-8-23 9937 Napa Butts Cyn, near Lake co. line Comment
  UC166073  Packera clevelandii J. P. Tracy 1905-7-6 2221 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC221396  Packera clevelandii H. M. Hall 1923-10-14 11943 Napa 8 mi n Pope Valley Comment
  UCD170287  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 827 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 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
  UCD134774  Packera eurycephala K. Esau; E. Hyde 1936-5-14 s.n. Napa Napa Valley. Comment
  JEPS106860  Packera eurycephala var. eurycephala Jake Ruygt 1998-5-30 4008 Napa Mt. St. Helena fire trail about 3/4 mile from RLS cabin trail. 883 Comment
  UC723787  Packera eurycephala var. eurycephala Joseph Andorfer Ewan 1934-4-30 8826 Napa near Samuel Springs (above Monticello, on Pope Valley grade); Pope Valley Comment
  UC577240  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa 1 mi below Samuels Springs; Pope Creek Comment
  UC761908  Packera greenei Robert F. Hoover 1941-6-8 5319 Napa e side Mount St. Helena Comment
  UCD134782  Packera greenei Jack Major 1961-6-13 546 Napa State Highway 128, 3.9 miles northwest of Moskowite's Corners. Comment
  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
  UCD88171  Panicum acuminatum var. fasciculatum M. S. Baker 1942-6-26 10207 Napa Theological Seminary Pine Crest, 1 mile East of Pacific Theol. Sem. Comment
  UCD89389  Panicum capillare Virginia Bufford 1936-9-20 435 Napa West place near Mineral Spring-Lower Lake-Knoxville Road. Comment
  UCD89792  Panicum capillare subsp. hillmanii Beecher Crampton 1969-7-14 8496 Napa Napa, southern area, east of Napa River Bridge. Comment
  UC972131  Parvisedum pumilum Helen K. Sharsmith 1952-6-7 4122 Napa road to Atlas Peak, Inner North Coast Ranges Atlas Peak; Inner North Coast Ranges 609 Comment
  UC25013  Pectocarya penicillata Willis L. Jepson 1893-4-30 Napa w Calistoga; Napa Rv Basin Comment
  UCD123329  Pedicularis densiflora H. Popenoe 1949-5-1 18 Napa 1 mile from Pacific Union College, beside road to Pope Valley. Comment
  UCSB19025  Pedicularis densiflora Rankine, Jane 1965-4-13 Napa 3 miles W of Pope Valley on road between Pope Valley and Anqwin Comment
  UC57304  Pellaea andromedifolia J. P. Tracy 1902-5-22 1624 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 365 Comment
  UCD169612  Pellaea andromedifolia Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  CAS-BOT-BC69210  Pellaea andromedifolia Peter H. Raven 1954-1-22 6379 Napa Sulphur Springs Resort, w. of St. Helena 121 Comment
  CAS-BOT-BC71377  Pellaea mucronata John H. Thomas 1958-4-19 7112 Napa About 2 miles SW of Oakville 152 Comment
  JEPS103983  Pellaea mucronata Jake Ruygt 1979-2-22 432 Napa west face of Mt. George 121 Comment
  UCD124217  Penstemon heterophyllus Alan P. Godlewski 1974-5-3 12 Napa south of Lake Berryessa, 150 yards from Highway 128. Comment
  RSA92803  Penstemon heterophyllus subsp. heterophyllus Peter H. Raven 1951-6-26 3059 Napa Wooden Valley Grade. 305 Comment
  CAS-BOT-BC245719  Penstemon newberryi var. sonomensis L. R. Abrams 1928-5-4 12259 Napa Mt. St. Helena trail near Stevenson's monument Comment
  JEPS120382  Pentachaeta alsinoides Jake Ruygt 1983-4-26 1445 Napa Hwy 12 at Sonoma Co. line Comment
  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
  UCD137752  Pentagramma triangularis Katherine Pinney 1975-4-15 32 Napa Wragg Canyon, 2.5 miles east of Wragg Canyon Road on Highway 128. 259 Comment
  JEPS103986  Pentagramma triangularis subsp. triangularis Jake Ruygt 1997-3-18 3804 Napa Greenfield Road 207 Comment
  UCD48370  Pentagramma triangularis subsp. triangularis C. Matthews; K. Glover, C. Little, T. Petrie 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. South side of Decker Bay Trail; 250' W of junction with West Road. 152 Comment
  JEPS104486  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1991-7-24 2799 Napa Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  JEPS104483  Perideridia oregana Jake Ruygt 1998-7-6 4078 Napa SW of Snell Peak. 390 Comment
  UCD149578  Persicaria hydropiperoides 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
  JEPS129067  Phacelia distans Jake Ruygt 2016-4-2 6170 Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD81820  Phacelia distans Ellen Dean 2009-4-24 5447 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC672424  Phacelia distans Herbert L. Mason 1926-3-14 2724 Napa sw slope Mt. St. Helena Comment
  JEPS2346  Phacelia divaricata W. L. Jepson 1893-5-2 21020 Napa Pope Valley grade from Calistoga Napa Valley (that is, in Napa Range e of Calistoga) Comment
  UCD48043  Phacelia imbricata M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 6 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  CDA40411  Phacelia imbricata J. T. Howell 1931-4-3 6126 Napa Pope Creek Canyon, 8 miles from Monticello. 0 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
  JEPS47331  Phacelia imbricata subsp. imbricata L. R. Heckard and R. Bacigalupi 1965-5-15 1459 Napa about 5 mi s Knoxville; Nevada Creek 304 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
  UCD166688  Phacelia tanacetifolia Jake Ruygt 1998-5-20 3987 Napa Blue Ridge, +/- 1.5 miles north of Mays Flat. 685 Comment
  POM126107  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  JEPS122961  Phalaris aquatica Jake Ruygt 1982-6-29 1343 Napa 0.6 mile south of Yountville on Highway 29. Quad: Yountaville. Comment
  CAS-BOT-BC265854  Phalaris californica John Thomas Howell 1940-5-19 15444 Napa Near Calistoga Comment
  JEPS122932  Phleum pratense Jake Ruygt 1986-6-9 1807 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. Quad: Capell Valley. Comment
  JEPS85036  Phlox gracilis Larry Heckard and Mary Ashton 1969-5-3 2199 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UCD167204  Phlox gracilis Jake Ruygt 1986-3-14 1643 Napa north of Highway 12 near Sonoma county line. 106 Comment
  JEPS110812  Phoradendron densum Jake Ruygt 1984-6-30 1580 Napa Cedar Roughs near top 633 Comment
  UCD19928  Phyla nodiflora E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 784 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCSB2829  Physocarpus capitatus Keator, Glenn 1959-3-28 Napa Conn's picnic grounds, Napa range Comment
  RSA602574  Pickeringia montana L. C. Wheeler 1952-8-30 6881 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SD136373  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  SEINET267027  Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  JEPS48193  Pinus ponderosa Willis L. Jepson 1901-8-6 1733 Napa Hourell Mt. Napa River Basin, Hourell Mt. Comment
  UC182  Pinus ponderosa Davy 1894-10-1 Napa spur of Mt. St. Helena Comment
  UCD121150  Pinus ponderosa Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7348 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-BC72812  Pinus sabiniana James L. Reveal 1987-6-7 6405 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, 243 Comment
  JEPS120440  Piperia elongata Jake Ruygt 1978-7-2 377 Napa 3/4 mile west of 29 on Diamond Mtn. Rd. Comment
  JEPS102208  Piperia leptopetala J. Greenhouse with Jake Ruygt, Joe Callizo 2000-5-20 5007 Napa Adams Ridge. About 50 feet below Adams Ridge Rd., 1 mi from Devilshead Rd. in Hunting Creek BLM area N of Knoxville. 670 Comment
  UC1196425  Piperia transversa J. P. Tracy 1899-6-14 446 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD89669  Piptatherum miliaceum Beecher Crampton 1964-10-8 7217 Napa Napa County; north end Capell Valley, slopes above Capell Creek, State Hwy. 128. Comment
  JEPS60937 Image available Plagiobothrys bracteatus W. L. Jepson 1897-5-2 21170 Napa near Calistoga; Napa Valley Comment
  UCD35288  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD161234  Plagiobothrys greenei Jake Ruygt 2003-4-22 4508 Napa Near south end of Knoxville Wildlife Area, base of trail to cliffs. (Coordinates estimated by label maker at UC Davis). 292 Comment
  UCD164866  Plagiobothrys greenei Jake Ruygt 2012-4-21 5826 Napa Crystal Flats, west of Putah Creek. 259 Comment
  JEPS106764  Plagiobothrys nothofulvus Jake Ruygt 1996-5-19 3715 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  POM182692  Plagiobothrys nothofulvus D. D. Keck 1931-4-2 1006 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  UC25056  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-25 Napa Caux's Knob w St. Helena; Caux's Knob Comment
  UCD73387  Plagiobothrys nothofulvus 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
  SEINET10456330  Plagiobothrys nothofulvus John T. Middleton 1936-3-21 Middleton 71 Napa Comment
  UCD63861  Plagiobothrys stipitatus var. micranthus Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  CAS-BOT-BC228491  Plagiobothrys strictus John Thomas Howell 1926-3-28 1778 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS24609  Plagiobothrys strictus Willis L. Jepson 1893-5-9 21183 Napa near Calistoga; Napa River Basin Comment
  RSA0008559  Plagiobothrys strictus P. H. Raven 1950-5-6 2024 Napa Sulpher flats and hot spring near Old Faithful Geyser N. of Calistoga. 183 Comment
  RSA0008560  Plagiobothrys strictus D. D. Keck 1931-4-4 1095 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS106903  Plagiobothrys tenellus Jake Ruygt 1991-5-4 2640 Napa betweed Fawn Lake and Granite Lake Friesen's Lakes 603 Comment
  UC1239617  Plagiobothrys tenellus J. P. Tracy 1902-5-20 1562 Napa near Angwin Creek crossing; Howell Mountain 457 Comment
  UC55912  Plagiobothrys tenellus J. P. Tracy 1902-5-20 1562 1/2 Napa near Angwin Creek crossing; Howell Mountain, Howell Mt. grade 457 Comment
  JEPS85016  Plagiobothrys tener var. tener Larry Heckard and Mary Ashton 1969-5-3 2228 Napa ca 7 mi ne Napa (off Atlas Peak Rd., ca 1/2 mi ne of ranch house); Mead Ranch 457 Comment
  JEPS110786  Plantago erecta Jake Ruygt 1986-3-6 1633 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 146 Comment
  POM182688  Plantago erecta D. D. Keck 1931-4-2 1010 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  RSA10692  Plantago erecta Carl B. Wolf 1928-5-3 1795 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD49194  Plantago erecta A. Van Houtte; E. Leger and C. Hohn 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., along SE rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  JEPS51580  Platystemon californicus Willis L. Jepson 1897-5-2 Napa St. Helena Comment
  JEPS4802  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  JEPS5112  Plectritis brachystemon W. L. Jepson 1900-3-10 515 Napa near Toland House (Howell Mountain); Howell Mountain Comment
  UCD14929  Plectritis ciliosa Gail Matson 1977-4-16 21 Napa 6.4 miles southwest of Monticello Dam along Highway 128; 213 Comment
  JEPS110895  Plectritis macrocera Jake Ruygt 1979-5-20 613 Napa 1.6 miles north of White Cottage Rd. on Summit Street 694 Comment
  JEPS5124  Plectritis macrocera Miss R. Kuhn 1912-4-10 Napa Oakville Comment
  OBI8696  Plectritis magna Bacigalupi & Dempster, Dempster 1954-5-10 4444 Napa Conn Cyn Reservoir Comment
  SBBG115606  Pleuropogon californicus B. Crampton 1952-3-24 1031 Napa ca. 8 mi N of city of Napa, along Silverado Rd Comment
  UCD90196  Pleuropogon californicus var. californicus R. Tofsrud 1951-5-20 s.n. Napa East edge of Yountville Cemetery. Comment
  UCD92169  Poa M. S. Baker 1936-4-1 8198 a Napa road to Knoxville Mine. Comment
  CAS-BOT-BC244372  Poa annua Ira L. Wiggins 1928-3-25 2879 Napa Roadside 1.5 miles NE of Calistoga Comment
  OBI22139  Poa napensis Peter H. Raven 1957-1 Napa Comment
  UCD91555  Poa napensis R. Tofsrud 1948-5-1 s.n. Napa Calistoga. 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
  HSC14300  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 Comment
  UC1279971  Pogogyne douglasii Peter H. Raven 1957-5-5 10749 Napa near geysers, Calistoga Comment
  SEINET9289847  Pogogyne serpylloides Unknown 1993-5-1 10972 Napa Napa Co., CA Comment
  JEPS30740  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa between St. Helena and Mt. St. John (hills w of Napa Valley); w of Napa Valley 228 Comment
  RSA40153  Polycarpon tetraphyllum J. T. Howell 1943-6-20 18242 Napa Hills W of Napa Valley between St. Helena and Mt. St. John. 229 Comment
  UCD109699  Polygala californica Heidi E. M. Dobson 1978-5-20 328 Napa east slope of Mt. Veeder. Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  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-BC109162  Polygonum bolanderi Wilhelm Nikolaus Suksdorf 1913-7-30 748 Napa Northwest of Napa. Comment
  JEPS50582  Polygonum bolanderi Willis L. Jepson 1893-9-25 14782 Napa Lone Tree Farm Napa River Basin, Sunset Hills (edge of hills) Comment
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  UC1299692  Polygonum hydropiper Freed W. Hoffman 1946-8-20 1264 Napa below Conn Lake Dam; North Coast Ranges Comment
  UCR71485  Polygonum lapathifolium Barbara Ertter 1988-10-2 7962 Napa North Coast Ranges, Lake Hennesy c. 15 air miles north-northwest of Napa, on Conn Creek, east of boat-launching ramp on southeast edge. 91 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
  CAS-BOT-BC420987  Polygonum spergulariiforme Betty H. Johnson 1958-6-15 615 Napa Near St. Helena River [Creek], 6.4 mi. S-W of Middletown Comment
  CAS-BOT-BC72054  Polypodium calirhiza Peter H. Raven 1953-4-2 5293 Napa Tulucay Creek 243 Comment
  UCD83865  Polypodium glycyrrhiza Ellen Dean; Stephen Rae 2010-3-15 5823 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  CHSC102291  Polypogon monspeliensis Lowell Ahart 2009-10-12 16465 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 Winters. 133 Comment
  UC150411  Polystichum C. C. Parry June 1881 369 Napa Calistoga Comment
  CAS-BOT-BC445239  Portulaca oleracea R. E. Frenkel 1963-10-27 292 Napa In the vinyard north of Oakville Cross Road Comment
  UCD20031  Prosartes hookeri C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-17 1207 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  JEPS62485  Prunella vulgaris W. L. Jepson 1923-6-3 9975 Napa e Yountville (Napa Valley, near base of hills); Napa Valley 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
  CAS-BOT-BC154919  Prunus ilicifolia J. H. Thomas 1955-5-21 5104 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CDA11152  Prunus ilicifolia G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11563 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  CAS-BOT-BC151177  Prunus subcordata Mrs. H. C. Cantelow 1940-4-13 s.n. Napa 8.2 miles S.W. of Monticello, on road to Napa Comment
  CAS-BOT-BC151178  Prunus subcordata Mrs. H. C. Cantelow 1936-3-22 1140 Napa Howell Mt. 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
  UCD113521  Prunus virginiana var. demissa Beecher Crampton 1960-5-17 5537 Napa 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  JEPS106913  Pseudognaphalium beneolens Jake Ruygt 1986-7-22 1883 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 457 Comment
  CAS-BOT-BC356659  Pseudognaphalium californicum L. R. Abrams 1916-7-2 5757 Napa Near St. Helena Sanitarium Comment
  UCD73841  Pseudognaphalium californicum Ellen Dean; S. Rae 2008-5-21 4976 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  JEPS20447  Pseudognaphalium californicum Willis L. Jepson 1893-6-24 14741 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD146333  Pseudognaphalium microcephalum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD63177  Pseudognaphalium thermale Jake Ruygt 1988-8-14 2231 Napa Berryessa-Knoxville Rd. at Pope Canyon Road. 143 Comment
  UCD91506  Pseudoroegneria spicata Beecher Crampton 1961-6-12 5898 Napa North end of Capell Valley, above Capell Creek, along State Hwy. 128. Comment
  CAS-BOT-BC80152  Pseudotsuga menziesii Elsa G. Ruckert 1960-2-27 12 Napa 6495 Dry Creek Road, west of house 365 Comment
  JEPS46763  Pseudotsuga menziesii var. menziesii W. L. Jepson 1903-9-7 2356 Napa hills w of St. Helena (York Canon Road); , York Creek Canon 548 Comment
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Oct 2 2012
  UCD160704  Psilocarphus brevissimus Ellen Dean; Jake Ruygt 2015-5-23 8763 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD63153  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2005-6-7 4906 Napa Ridge top west of Circle Oaks. 588 Comment
  CAS-BOT-BC361891  Psilocarphus tenellus Peter H. Raven 1950-5-6 2030 Napa Along Rt. 28, Calistoga 60 Comment
  UCD63154  Psilocarphus tenellus var. tenellus Jake Ruygt 1991-5-6 2649 Napa Wantrup Preserve, Pope Valley. 195 Comment
  CAS-BOT-BC72604  Pteridium aquilinum Jean Fottrell 1906-7-1 s.n. Napa Napa Comment
  POM182705  Pterostegia drymarioides D. D. Keck 1931-4-2 1024 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD73394  Pterostegia drymarioides 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-BC460820  Pyrola aphylla H. D. Ripley; R. C. Barneby 1945-6-21 6936 Napa South of Pope Valley 579 Comment
  CAS-BOT-BC362358  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  CAS-BOT-BC36513  Quercus Peter H. Raven 1952-8-28 5157 Napa near Napa Soda Springs 228 Comment
  UC1275954  Quercus X chasei J. M. Tucker 1954-9-23 2757 Napa 6.5 mi (by road) s Highway 37 junction with Highway 28 (beside Highway 37) Comment
  UCD102777  Quercus X morehus Daniel Sanchez-Mata; M. G. Barbour and M. P. Rodriguez-Rojo 2002-5-4 s.n. Napa Lake Berryessa. Monticello Dam-Moskowite Corner. 280 Comment
  UCD47020  Quercus X morehus John M. Tucker 1982-5-9 4473 Napa (Q. kelloggii Newb. X Q. wislizenii A.DC.). California, Napa Co.l summit of Blue Ridge, northwest of Vacaville, 1 mi. north of the head of Mix Canyon Road. (On the west side of the road, hence in Napa Co.). 792 Comment
  UCD47054  Quercus X morehus D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa (Q. wislizenii DC. X Q. kelloggii Newb.). Napa County: Lake Berryessa. Pope Creek; 380 Comment
  JEPS37715  Quercus agrifolia W. L. Jepson 1901-11-17 1753 Napa near St. Helena; Napa River Basin Comment
  JEPS84698  Quercus agrifolia John W. Willoughby 1976-5-18 1684 Napa w side Blue Ridge (not far below the top, latitude about that of Mount Vaca); Vaca Mountains 762 Comment
  RSA181899  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa St. Helena; Napa River Basin Comment
  UCD45019  Quercus agrifolia D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45100  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa Along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif.; elev. 500 feet. Location is to the west of the Berreyessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). No. 1 of 4 sheets. 152 Comment
  UCD45140  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa From a population of this speciesm Q. wislizenii, and a few hybrids; along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif.; elev. 580 feet. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). No. 1 of 4 sheets. 176 Comment
  JEPS116543  Quercus berberidifolia Jake Ruygt 1990-4-7 2460 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  UCD14830  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -3 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD19316  Quercus berberidifolia M. A. Bibbo; E. Dean 2001-7-6 8 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.5 air miles from jct. with S Decker canyon rd. E (upslope) side of rd. 243 Comment
  UCD45211  Quercus berberidifolia Thomas Morley 1941-5-11 126 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Comment
  UCD45214  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 37 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  UCD45241  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi east of Conn Valley Dam, beside road to Monticello. Shale soil, shrubs on steep hillside. (Sheet No. 1, each twig from a separate shrub.) Comment
  UCD92280  Quercus berberidifolia D. Q. Cavagnaro 1963-10-18 224 Napa 0.4 miles west of Monticello Dam. 30 Comment
  UCR212388  Quercus berberidifolia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
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Oct 11 2010
  CAS-BOT-BC62458  Quercus chrysolepis Peter H. Raven 1951-8-19 3838 Napa nr. Lokoya 487 Comment
  CAS-BOT-BC62461  Quercus chrysolepis Mrs. E. C. Suttiffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  JEPS84696  Quercus chrysolepis John W. Willoughby 1976-4-12 1378 Napa w side Blue Ridge (near Mount Vaca); Vaca Mountains 792 Comment
  CAS-BOT-BC85934  Quercus douglasii H. E. McMinn 1922-8-3 365 Napa near Lake Co. line between Aetna Springs and Middleton Comment
  CAS-BOT-BC85937  Quercus douglasii John Thomas Howell 1927-8-23 3043 Napa On hills on N side of Chiles Valley, Napa Range 213 Comment
  UCD14550  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -8 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD37729  Quercus douglasii Beecher Crampton 1961-9-19 5977 Napa Napa County, 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  UCD45739  Quercus douglasii John M. Tucker 1954-9-23 2755 Napa East side of Highway 37 .1 mile south of junction with Wooden Valley Road (about 9.5 miles north-east of Napa), Napa County, California. Comment
  CLARK-A1528-2918  Quercus douglasii John C. Roos 1939-3-27 280 Napa Angwin Comment
  CAS-BOT-BC86435  Quercus dumosa John Thomas Howell 1933-8-27 11647 Napa E of Chiles Valley on road to Winters, Napa Range Comment
  CAS-BOT-BC79842  Quercus durata Walter Knight; Irja Knight 1963-9-1 147 Napa Pine Rd - NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  CAS-BOT-BC79847  Quercus durata H. E. McMinn 1922-6-8 167 Napa summit of Howell Mt. Comment
  JEPS37346  Quercus durata W. L. Jepson 1895-11-25 Napa La Jota Plateau Howell Mt. Comment
  JEPS37351  Quercus durata W. L. Jepson 1930-10-19 15693 Napa Butts Canyon Comment
  RSA8544  Quercus durata J. T. Howell 1933-8-27 11642 Napa Sage Canyon, Napa Range. Comment
  UCD14806  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -4 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14807  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -5 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14816  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -33 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14828  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -29 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14846  Quercus durata John M. Tucker 1950-11-12 2014 -24 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14847  Quercus durata John M. Tucker 1950-11-12 2014 -26 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149623  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Capell Creek. Comment
  UCD20648  Quercus durata R. J. Blenkush; J. H. Richards 2000-1-29 42 Napa McLaughlin Reserve. 1/4 mile south of intersection of Berryessa-Knoxville Road with Devilhead Road. 487 Comment
  UCD45976  Quercus durata D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  SBBG111408  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -21 Napa below Conn Valley Dam; across crk from the picnic area Comment
  UCD96195  Quercus durata var. durata Ellen Dean; with Clare Loughran 2011-5-20 7075 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCSB64098  Quercus durata var. durata Tucker, John 1950-11-12 Napa Highway 28, 7.7 mi. (by road) west of junction with Highway 37; southeast-facing hillslope above Sage Creek Comment
  UCD14956  Quercus garryana var. garryana John M. Tucker 1976-10-24 4380 Napa California, Napa Co.; beside Wall Road, 1.3 mi. north of Dry Creek Road and 7.1 mi. (by road) southwest of Oakville; Comment
  UCD37947  Quercus kelloggii Beecher Crampton 1962-5-16 6430 Napa 0.5 mile W of Aetna Springs. 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
  UCD46636  Quercus kelloggii Beecher Crampton 1962-5-16 6430 Napa 1/2 mile W Aetna Springs. Comment
  UCD46705  Quercus kelloggii W. L. Jepson 1900-3-8 505 Napa St. Helena, Napa River Basin. Comment
  UCD83399  Quercus kelloggii Jake Ruygt 1993-3-15 3170 Napa end of Lewelling Lane, Lewelling Ranch. 82 Comment
  CAS-BOT-BC62880  Quercus lobata John Thomas Howell 1930-10-19 5608 Napa Pope Valley School, Pope valley Comment
  JEPS116539  Quercus lobata Jake Ruygt 1988-5-1 2164 Napa Aetna Springs Road near resort. Aetna Springs 7.5' Quad. Comment
  JEPS46688  Quercus lobata W. L. Jepson 1922-10-22 9816 Napa n of Sage Canyon; St. Helena Comment
  UCD46832  Quercus lobata Thomas Morley 1941-5-11 122 Napa At Lombard's Ranch, west side of Putah Creek just above junction with Butts Creek. 140 Comment
  UCD118565  Quercus wislizeni Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  UCD47484  Quercus wislizeni W. C. Overton Jr. 1980-7-13 s.n. Napa Along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa County, California. Location is to 20.00 mile marker) where the creek turns sharply to the NW away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  UCD49056  Quercus wislizeni var. wislizeni Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd. just S of jct with Cut-Off Rd. 182 Comment
  JEPS55055  Ranunculus aquatilis var. hispidulus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  UC160921  Ranunculus californicus Joseph P. Tracy 1903-5-15 1845 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC378487  Ranunculus californicus var. californicus David D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  CAS-BOT-BC378488  Ranunculus californicus var. californicus Peter H. Raven 1953-3-29 5202 Napa Calistoga 106 Comment
  UCD21498  Ranunculus hebecarpus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4400 Napa Quail Ridge Reserve. 213 Comment
  POM225341  Ranunculus hebecarpus J. T. Howell 1931-4-2 6064 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  JEPS110873  Ranunculus lobbii Jake Ruygt 1979-4-12 502 Napa .2 mile west of Suscol Ave. on Imola Ave 4 Comment
  UC9460  Ranunculus lobbii Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin, upper Napa Valley Comment
  UCD96168  Ranunculus lobbii R. H. Miller 1949-4-6 19 Napa north side of Highway 37, 1/2 mile west of Napa. Comment
  UC162878  Ranunculus occidentalis Joseph P. Tracy 1902-5-22 1631 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD48146  Ranunculus occidentalis J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 16 Napa Napa County, McLaughlin Reserve, near Yolo County line. 670 Comment
  UCD48147  Ranunculus occidentalis Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 5 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD49120  Ranunculus occidentalis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 1 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  JEPS60703  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1921-5-6 9176 Napa Calistoga 109 Comment
  JEPS110990  Ranunculus pusillus Jake Ruygt 1982-6-1 1301 Napa .3 mile north of Chimney Rock Golf Cours on Silverado Trail 20 Comment
  CDA24360  Ranunculus uncinatus T. C. Fuller 1958-5-1 3716 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  JEPS126116  Raphanus raphanistrum Jake Ruygt 1998-3-29 3896 Napa Jameson Canyon, north side near bottom of ridge. Cordelia 7.5' Qua. Comment
  RSA659261  Reseda luteola David J. Keil, V. L. Holland, G. Fred Hrusa, G. Ledyard Stebbins 1994-6-6 24509 Napa Near E end of Lake Hennessy along Hwy 128 roadside and pasture. 150 Comment
  CAS-BOT-BC362895  Rhagadiolus stellatus Marie Taylor 1978-4-5 s.n. Napa Dry Creek & Wall roads Comment
  RSA7786  Rhamnus californica Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  UCR148776  Rhamnus californica J. Good 1998-6-6 33 Napa hwy 128; 3 mi west of Monticello dam and then up the dirt road behind Markley Cove 50' 146 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
  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
  UCD18009  Rhamnus ilicifolia Ellen Dean; with Plant Biology 102 class 2001-4-28 741 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, near Lake Berryessa inlet, ca. 30 feet up from water level, south side of trail. 243 Comment
  CHSC75009  Rhamnus tomentella D. Sanchez-Mata 1996-6-22 Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  JEPS110666  Rhamnus tomentella subsp. crassifolia Jake Ruygt 1998-6-24 4060 b Napa Goslin Canyon, south of hunting camp. Comment
  UC1197982  Rhamnus tomentella subsp. tomentella Joseph P. Tracy 1899-6-19 388 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  CAS-BOT-BC199721  Rhododendron occidentale H. E. McMinn 390 Napa About 6 mi. above Aetna Springs Comment
  HSC41173  Rhododendron occidentale Robert M. Specht 1976-5-15 458 Napa .3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  SBBG50855  Rhododendron occidentale R. Beaver 1965-5-1 149 Napa 14 mi N of jct of Hwy 121 and 128 Comment
  UCD117988  Rhododendron occidentale Andreas Stohr 1996-4-28 33 Napa Along Road 128. 270 Comment
  UCD20703  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 1 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek from trailhead to point where trail diverges west from creek bed. In or within 10 ft. of creek bed on SE facing slope. Comment
  UCD20704  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  CDA38892  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., Northeast side of road, south bank, 50' southeast of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. 0 Comment
  RSA471014  Rhododendron occidentale var. occidentale H. E. McMinn 1922-6-8 169 Napa Howell Mt. Comment
  CAS-BOT-BC168115  Rhus aromatica Elizabeth Wright 1923-3-20 s.n. Napa Capell Cr. between St. Helena & Putah Cr. Canyon Comment
  CAS-BOT-BC433100  Ribes John H. Thomas 1955-5-21 5098 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS126022  Ribes californicum var. californicum Jake Ruygt 1977-3-6 140 Napa East of Basalt Rock quarry. Mount George 7.5' Quad. Comment
  JEPS126069  Ribes malvaceum Jake Ruygt 2007-5-19 5184 Napa Devilhead Road, top of grade, north end. Knoxville 7.5' Quad. Comment
  UC921821  Ribes malvaceum Milo S. Baker 1931-4-1 5096 Napa in canyon 5 mi ne Napa (on Monticello road, n side) Comment
  UCD49073  Ribes malvaceum S. Murphy; K. Keck and K. Dyer 2002-5-5 19 Napa Quail Ridge UC Reserve, northern tip of ridge, NE from intersection of West and East roads ca. 500 m, along edge of upper road leading out to power lines and tip parcels. 328 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-BC198891  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Mt. St. Helena Inn at summit of Mt. St. Helena Grade Comment
  HSC20331  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Near Mt. St. Helena Inn, at summit of Mt. St. Helena grade Comment
  CAS-BOT-BC168760  Ribes victoris Clarence R. Quick 1942-4-18 s.n. Napa Mouth of canyon just west of Rutherford, Napa Valley 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
  RSA84971  Ribes victoris var. greenianum J. T. Howell 1940-5-19 15450 Napa Upper St. Helena Creek. Comment
  CDA10846  Rigiopappus leptocladus G. F. Hrusa, G. L. Stebbins 1994-4-18 11783 A Napa North Coast Biodiversity Arena; On side of rd. approx. 3 m. above Aetna Springs. 231 Comment
  SD125483  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa along state Highway 128, 0.2 miles south of intersection with Berryessa-Knoxville road, Capell Valley Comment
  UCR146399  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa Inner North Coast Ranges, 8 miles southwest of Monticello, along highway 128 305 Comment
  CAS-BOT-BC363049  Rigiopappus leptocladus David D. Keck 1933-5-29 2341 Napa Pope Creek Bridge, south of Walters Springs. South wall of Pope Creek Canyon Comment
  UCD115303  Rorippa curvisiliqua M. Wiesendanger 1927-5-4 668 Napa near Monticello. Comment
  UCD148771  Rorippa palustris subsp. palustris Jake Ruygt 2004-4-3 4578 Napa Napa County; east of Knoxville Creek on ridge bordering Foley Creek. 414 Comment
  CAS-BOT-BC147535  Rosa californica J. T. Howell 1933-8-27 11629 Napa Sage Canyon, Napa Range Comment
  UC126646  Rosa californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7115 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC126647  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7112 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD101004  Rumex acetosella Mary Lou Douglass 1976-4-24 29 Napa Atlas Peak Road. P.M. 4.5 from Rt 121. Comment
  CAS-BOT-BC422286  Rumex californicus Peter H. Raven 1952-6-28 4192 Napa Sonoma Co. line on Sonoma-Napa Rd. 91 Comment
  CDA34676  Rumex maritimus L. Ahart 2009-10-27 16493 Napa Below high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. Comment
  JEPS120355  Rumex occidentalis Jake Ruygt 1980-6-1 906 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  UCD101453  Rumex pulcher Louise Krozek 1965-5-8 23 Napa Berryessa-Knoxville Road, ca. 7 miles north of State Highway 128. Comment
  UCD149041  Rumex salicifolius Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8187 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  SEINET741775  Rupertia physodes M. F. Wojciechowski, K. P. Steele 2000-5-20 890 Napa Along CA highway 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  RSA170398  Rupertia physodes J. D. Olmsted 5058 Napa Cold Creek; 150 yds above road by Monticello Dam, Vaca Mtns. Comment
  UCD161214  Salicornia pacifica Jake Ruygt 1993-8-28 3289 Napa Bentley Wharf. 0 Comment
  UC1093859  Salicornia virginica Herbert L. Mason 1923-10-6 773 Napa Suisun Marsh Comment
  POM203578  Salix I. L. Wiggins 1932-3-12 5752 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  POM260435  Salix L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  CHSC108725  Salix breweri B. Castro; L. P. Janeway 2002-5-12 1369 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  JEPS118644  Salix breweri B. Castro and L. P. Janeway 2002-5-12 1369 Napa Inner North Coast Ranges. Ca 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. Knoxville 7.5' quad. Comment
  POM180777  Salix breweri J. T. Howell 1930-10-19 5629 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
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Mar 6 2011
  SBBG58851  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn, between Pope Springs and Aetna Valley 91 Comment
  UC482100  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley (about 1 1/2 mi from entrance of canyon); Butt Canyon Comment
  UCD164794  Salix gooddingii Jake Ruygt 2012-6-30 5871 Napa Putah Creek north of Berryessa Estates. 137 Comment
  CAS-BOT-BC108195  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa On main highway in roadside ditch, about 2 km. W. of Calistoga. Comment
  POM106776  Salix laevigata Marcus E. Jones 1924-4-24 s.n. Napa Napa. 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
  CAS-BOT-BC125149  Salix lasiandra var. lasiandra Peter H. Raven 1952-5-31 4116 Napa 2.5 mi. e. of Yountville 60 Comment
  JEPS13830  Salix lasiolepis Willis L. Jepson 1903-9-6 2342 Napa St. Helena; Napa River Basin, St. Helena Comment
  JEPS13831  Salix lasiolepis Willis L. Jepson 1903-9-6 2345 Napa St. Helena; Napa River Basin Comment
  JEPS13840  Salix lasiolepis Willis L. Jepson 1893-3-13 32 s Napa hills e of St. Helena; Napa River Basin Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC482320  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 17 b Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UCD111603  Salix lasiolepis Joseph M. DiTomaso 1976-4-9 382 Napa Next to Putah Creek at base of Monticello Dam, Lake Berryessa. (On the Yolo/Napa County line. Base of dam is Napa County but just downstream is Yolo County. This record originally said Yolo County). 3 Comment
  UCD164809  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 miles NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  CAS-BOT-BC124413  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3044 Napa Sarco Creek e. of Napa 60 Comment
  CAS-BOT-BC124419  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Ualtis Creek, Weldon Canyon, slope in Vaca Mts. Comment
  HSC43987  Salvia columbariae Robert M. Specht 1977-4-13 655 Napa South-facing slope 488 Comment
  UCD73452  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC223277  Sanicula bipinnatifida Saichi Kawahara 1968-4-20 353 Napa 2 miles southwest of Pope Valley; Pope Valley-Angwin Road 499 Comment
  UCD128014  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  SEINET11155924  Sanicula bipinnatifida K. Suhr 1967-3-24 s.n. Napa S shore of Lake Berryessa, Steele Park Resort. Comment
  UCD149698  Sanicula crassicaulis Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  HSC70624  Sanicula crassicaulis J. M. DiTomaso 1980-6-13 1593 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  UCD63191  Sanicula laciniata Jake Ruygt 2002-4-1 4380 Napa West of Calistoga above Blossom Creek. 213 Comment
  UCD163271  Sanicula tuberosa D. Slakey; CNPS Volunteers 2015-4-25 116 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UC917106  Saxifraga californica P. B. Kaufman 1950-4-1 20 Napa Putah Canyon; Vaca Mountains, Putah Canyon Comment
  SEINET7072531  Scandix pecten-veneris A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  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
  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
  UCSB4655  Scandix pecten-veneris Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  CAS-BOT-BC278215  Schedonorus arundinaceus Peter H. Raven 1952-5-29 4097 Napa 1 mi. n. Napa 45 Comment
  UCD170370  Schoenoplectus pungens var. longispicatus Daniel Potter; N Khuu, K Battenberg 2016-4-30 868 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 199 Comment
  UC683329  Scirpus acutus var. occidentalis A. A. Beetle 1940-5-5 1586 Napa one mi n of County line on road from Vallejo to Napa; n of County line Comment
  CAS-BOT-BC240027  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  RSA170259  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UCD92539  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau. Howell Mountain. At head of Moore's Creek, 3.4 miles east of Angwin's. Comment
  UCD19916  Scutellaria californica E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 772 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  UCD54560  Scutellaria tuberosa K. Walker; PLB 102 2006-5-13 1 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS120411  Secale cereale Jake Ruygt 2009-5-15 5409 z Napa Hwy 12, Jameson Canyon, 1/4 w of county line. Comment
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  UCD149716  Sedella pumila Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD164852  Sedella pumila Jake Ruygt 2012-4-21 5822 Napa Crystal Flats, west of Putah Creek. 222 Comment
  UCD170373  Sedum spathulifolium Daniel Potter; N Khuu, K Battenberg 2016-4-30 871 Napa Knoxville Wildlife Area, along Nevada Creek. 220 Comment
  RSA0074711  Sedum spathulifolium C. B. Wolf 1928-5-3 1837 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  RSA0074724  Sedum spathulifolium Carrie A. Herd 1982-5-9 101 Napa Chiles-Pope Valley Road, 3.2 mi. from Lake Henessee, N. facing road cut. Comment
  HSC65069  Sedum spathulifolium var. spathulifolium J. P. Smith, J. O. Sawyer 1970-5-17 3773 Napa 3 mi. S of Pope Valley Comment
  JEPS103971  Selaginella wallacei Jake Ruygt 1994-3-19 3326 Napa Top of the Palisades. 716 Comment
  RSA26406  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley Comment
  CAS-BOT-BC363357  Senecio aronicoides Peter H. Raven 1951-5-20 2857 Napa Hills w. Oakville 548 Comment
  CAS-BOT-BC363358  Senecio aronicoides Peter H. Raven 1951-6-10 2916 Napa Crater Region e. of Mt. St. Helena 762 Comment
  RSA603482  Senecio eurycephalus Joseph A. Ewan 1934-4-30 8826 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  CAS-BOT-BC327422  Senecio flaccidus var. douglasii John Thomas Howell 1930-10-19 5607 Napa Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  CHSC45222  Senecio vulgaris Lowell Ahart 1976-3-7 1025 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  CAS-BOT-BC364596  Senecio vulgaris Peter H. Raven 1954-2-22 6411 Napa Orchard at east end of Saint Helena 60 Comment
  SEINET5607927 Image available Sequoia sempervirens Richard Vanderwall Unknown Napa Calistoga Comment
  CAS-BOT-BC240158  Setaria verticillata Peter H. Raven 1951-8-21 3879 Napa Lokoya 457 Comment
  UCD160750  Sidalcea Ellen Dean 2015-5-23 8802 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  JEPS120340  Sidalcea diploscypha Jake Ruygt 1991-5-25 2694 Napa Paradise Valley. Jericho Valley 7.5' Quad. Comment
  UCD116608  Sidalcea diploscypha Richard Beaver 1965-5-1 147 Napa 4.5 miles north of Calistoga, State Highway 29. Comment
  JEPS110707  Sidalcea hartwegii Jake Ruygt 1998-7-18 4099 Napa Bear Valley at pond. 646 Comment
  JEPS110708  Sidalcea hartwegii Jake Ruygt 1989-6-6 2364 b Napa 4.5 miles north of Monticello Rd. on Atlas Peak Rd. 448 Comment
  RSA195296  Sidalcea hartwegii Gilbert Muth 1967-5-17 674 Napa Oat Hill Road, Calistoga 244 Comment
  UC18889  Sidalcea hartwegii Willis L. Jepson 1893-5-9 Napa hills w Rutherford; Napa River Basin, hills w of Rutherford Comment
  UC1177102  Sidalcea hirsuta Peter H. Raven 1951-5-26 2869 Napa Aetna Springs to start Butts Canyon; Aetna Springs to start of Butts Canyon 243 Comment
  JEPS129044  Sidalcea keckii Jake Ruygt 2016-5-28 6270 Napa Near East Side Easement Road. Lake Berryessa 7.5' Quad. Comment
  RSA537732  Sidalcea keckii Barbara Ertter, Annetta Carter 1989-5-28 8500 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
Read comments
Apr 29 2008
  SD133948  Sidalcea keckii Barbara Ertter, Annette Carter 1989-5-28 8500 Napa Berryessa-Knoxville Road north of Lake Berryessa, 4.7 miles south of Knoxville tunnel. 299 Comment
  UCD170154  Sidalcea keckii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 784 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 429 Comment
  UCD116622  Sidalcea keckii James W. Katberg Jr. 1966-5-11 48 Napa 7 miles southeast of Knoxville, Berryessa Road. Comment
  POM118515  Sidalcea malviflora subsp. laciniata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD73436  Silene coniflora 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
  CAS-BOT-BC388149  Silene gallica John H. Thomas 1955-5-21 5121 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  RSA52708  Silene gallica I. L. Wiggins 1949-4-30 12074 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  UCD148760  Silene laciniata subsp. californica Jake Ruygt 1979-5-24 632 Napa Napa County; Hwy. 128 2.1 miles east of Silverado Trail. 103 Comment
  JEPS126133  Silene lemmonii Jake Ruygt 2008-5-21 5346 Napa Wildlake Ranch, Rattlesnake Ridge, road to Potato Hill. Calistoga 7.5' Qua. Comment
  UCR212283  Silene multinervia 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
  JEPS106854  Silene verecunda subsp. platyota Jake Ruygt 1982-5-15 1254 Napa Buzzard's Roost east od Stag's Leap 609 Comment
  SEINET7072564  Sisyrinchium bellum A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  UCD48734  Sisyrinchium bellum Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 7 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Road, ca. 0.45 mi (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  UCD81442  Sisyrinchium bellum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  UCD13121  Sisyrinchium bellum Jennifer Kent 1974-4-28 33 Napa Napa CO. 2 Mi. south of Calistoga, off Dutch Henry Canyon Rd., 2 mi. east of Silverado Trail. Road cut. Elevation 1800'. 548 Comment
  JEPS110921  Solanum americanum Jake Ruygt 1986-7-13 1880 Napa SW of Buchli Sation near countyline 1 Comment
  NY759853  Solanum nigrum J. T. Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena 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
  JEPS110919  Solanum umbelliferum Jake Ruygt 1993-4-12 3203 Napa south of James Creek Road and Butts Cany on Road. 219 Comment
  JEPS7819  Solanum umbelliferum Peter H. Raven 1952-5-31 4159 Napa on Rector Creek Rector Creek 121 Comment
  NY820561  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa In the Howell Mountains, 5 miles east of Napa, North Coast Ranges 457 Comment
  UCD127080  Solanum xanti Andreas Stohr 1996-4-21 6 Napa along Road 128 near Cold Canyon Preserve. 180 Comment
  UCD67494  Solanum xanti D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland ; open spaces. 350 Comment
  JEPS106874  Solidago spathulata Jake Ruygt 1987-7-27 2082 Napa 4.0 miles east of Atlas Peak Rd. on Mont icello Rd. 441 Comment
  JEPS32346  Solidago velutina subsp. californica W. L. Jepson 1938-9-24 19025 Napa se Pope Valley (Canyon of James Creek); Canyon of James Creek 304 Comment
Read comments
Oct 2 2012
  CAS-BOT-BC365998  Sonchus asper R. E. Frenkel 1963-10-27 299 Napa In the vinyard north of Oakville Cross Road Comment
  UCD159465  Sonchus asper subsp. asper D. S. Park 2010-8-13 219 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  UC2043156  Spartium junceum Barbara Ertter with Jake Ruygt 1996-4-25 14604 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  CAS-BOT-BC389923  Spergula arvensis John Thomas Howell 1926-3-20 1690 Napa Near Calistoga Comment
  CAS-BOT-BC390280  Spergularia macrotheca var. longistyla Rimo Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser 1 1/2 miles north of Calistoga Comment
  CAS-BOT-BC390297  Spergularia macrotheca var. longistyla Milo S. Baker 1927-5-1 2111 a Napa Calistoga Geyser 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-BC390566  Spergularia rubra Elsa Ruckert 1960-4-9 79 Napa 6495 Dry Creek Road. Terrace in front of house 365 Comment
  JEPS129147  Spergularia villosa Jake Ruygt 1993-4-18 3214 Napa West of west end of Rio Del Mar Drive, American Canyon. Cuttings Wharf 7.5' Quad. Comment
  JEPS62962  Stachys ajugoides W. L. Jepson 1894-11-7 14960 Napa Asylum Field Napa Comment
  UCD166675  Stachys ajugoides Jake Ruygt 1982-6-21 1339 Napa Suscol plain, just east of steel mill, Rocktram. 2 Comment
  JEPS100864  Stachys albens Dean W. Taylor 2000-6-29 17469 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  SEINET9308544  Stachys bullata Unknown 1998-5-12 10 Napa Napa County Comment
  POM196464  Stachys emersonii J. T. Howell 1926-3-20 1700 Napa Mt. St. Helena below the old tool house. 457 Comment
  CDA10868  Stachys rigida G. F. Hrusa, M. Rejmanek 1993-5-15 10963 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD126033  Stachys rigida var. rigida Richard Gritz 1969-5-31 72 Napa near State Highway 121, 3.5 miles south of junction with State Highway 128. 152 Comment
  JEPS112632  Stachys stricta Jake Ruygt 1981-7-8 1062 Napa Bateman Creek 609 Comment
  CAS-BOT-BC375246  Stephanomeria elata Peter H. Raven 1951-8-21 3873 Napa Mt. Veeder 762 Comment
  UC127179  Stephanomeria elata Harley P. Chandler Sep 7 1906-Sep 14 1906 7129 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD19317  Stephanomeria virgata M. A. Bibbo; E. Dean 2001-7-6 9 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.5 air miles from jct. with S Decker canyon rd. E (upslope) side of rd. 243 Comment
  HSC100782  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along W side of Capell Creek, N of rest area, 3/4 mi. SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd., 19 (air) mi. W of Winters. 133 Comment
  UCD136457  Stephanomeria virgata subsp. pleurocarpa D. H. Hartmann 1941-9-20 s.n. Napa Putah Canyon. Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  SACT002371  Stipa lepida John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam, northwest facing slope on south side of highway. Comment
  SEINET10893282  Stipa lepida David D. Keck 1931-4-2 Keck 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 miles NE of Napa. Dry rocky openings in the chaparral. 170 Comment
  HSC44256  Stipa pulchra Robert M. Specht 1977-4-19 685 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  SEINET10603938  Stipa pulchra David D. Keck 1931-4-2 Keck 1033 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa 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
  UCD115951  Streptanthus breweri Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties. Butts Canyon Road. Comment
  UC956593  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-9-3 2998 Napa Conn Dam North Coast Ranges Comment
  UC1292725  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-8-4 1041 Napa near Detert Reservoir; Napa-Lake County line Comment
  POM197071  Streptanthus glandulosus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  POM215780  Streptanthus glandulosus D. D. Keck 1933-5-29 2370 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC87159  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1958-4-19 7116 Napa About 2 miles southwest of Oakville. 152 Comment
  JEPS84639  Streptanthus glandulosus subsp. glandulosus John W. Willoughby 1977-4-20 2145 Napa w side of ridge below and just to s Mount Vaca; Vaca Mountains, Blue Ridge 457 Comment
  UC1278007  Streptanthus glandulosus subsp. glandulosus B. Crampton 1957-5-16 4043 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UC187983  Streptanthus glandulosus subsp. glandulosus Edw. L. Greene 1895-4-1 Napa Dry Creek Comment
  UCD116005  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon. Comment
  UCD74408  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-22 1668 Napa Vaca Mtns. east of Markley Cove. 426 Comment
  UCD161644  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2005-6-1 4894 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  CAS-BOT-BC87328  Streptanthus hesperidis Robert F. Hoover 1938-6-11 3602 Napa Knoxville Ridge. Comment
  JEPS129049  Streptanthus hesperidis Jake Ruygt 2016-6-6 6278 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  UCD116024  Streptanthus hesperidis Robert E. Preston 1987-5-9 556 Napa north side of Morgan Valley Road, 2.7 miles north of its junction with Pope Valley Road. [Correction from Rob Preston, 2014, north side of Knoxville-Berryessa Road, 2.7 miles north of its junction with Pope Valley Road.] 182 Comment
  UCD170467  Streptanthus hesperidis Daniel Potter; Ninh Khuu 2016-6-18 896 Napa Above upper Zim Zim Creek drainage east of Knoxville-Devihlead Road, just north and east of Knoxville Wildlife Area boundary. 557 Comment
  UCD161709  Streptanthus morrisonii Jake Ruygt 2010-7-5 5663 Napa east of White Point. (Coorindates converted from UTM data by label maker.) 658 Comment
  JEPS106596  Streptanthus tortuosus var. tortuosus Jake Ruygt 1990-4-28 2509 Napa Mt. St. Helena, along fire trail 963 Comment
  CAS-BOT-BC98079  Symphyotrichum lentum John Thomas Howell 1932-10-8 10797 Napa 7 miles south of Napa Comment
  JEPS122694  Symphyotrichum spathulatum Jake Ruygt 1981-6-18 1054 Napa 0.3 miles east of Flosden Road in American Canyon Road. Quad: Cordelia. Comment
  UC1536891  Symphyotrichum spathulatum G. H. True Jr. 1937-10-12 842 Napa near Lokoya Lodge Comment
  JEPS40827  Symphyotrichum spathulatum W. L. Jepson 1939-9-12 19482 Napa 1 mi w of summit, w side Spring Mountain (w of St. Helena) Comment
  JEPS104533  Symphyotrichum subulatum Jake Ruygt 1987-10-17 2110 Napa Fagan's Marsh 0 Comment
  JEPS120424  Tamarix chinensis Jake Ruygt 2010-8-24 5765 Napa Barton Hill, northwest shore of Lake Berryessa. Comment
  CAS-BOT-BC376866  Taraxacum erythrospermum Peter H. Raven 1954-2-22 6400 Napa Saint Helena 60 Comment
  JEPS129150  Taraxacum officinale Jake Ruygt 1978-4-9 270 Napa 2.1 miles NW of Dealy Lane on Henry Road. Napa 7.5' Quad. Comment
  JEPS36852  Taraxacum officinale W. L. Jepson 1924-4-27 10384 Napa Mt. St. Helena Comment
  UCD107008  Taraxia ovata Richard Beaver 1965-5-1 148 Napa 5 miles south of St. Helena on State Highway 128. 45 Comment
  UC9707  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa gorge n Wooden Valley Grade; Napa River Basin Comment
  UCD16029  Thermopsis californica var. californica N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 17 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 3-4.5 dm tall, flowers yellow. Comment
  CAS-BOT-BC66489  Thysanocarpus curvipes John Thomas Howell 1931-4-19 6456 Napa Conn Valley. Comment
  CAS-BOT-BC66496  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66511  Thysanocarpus curvipes John H. Thomas 1968-4-4 14279 Napa Along Highway 128, about 11 miles east of Rutherford (as measured along the road) and about 12 miles S of Pope Valley. Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  RSA0039334  Thysanocarpus curvipes var. curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC67312  Thysanocarpus radians M. S. Jussel 1931-4-19 s.n. Napa Pope Valley. Comment
  CAS-BOT-BC67314  Thysanocarpus radians Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  RSA0010418  Thysanocarpus radians W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin. Plateau north of Mt. George. Comment
  JEPS110738  Tonella tenella Jake Ruygt 1977-4-3 175 Napa Green Creek area east of Lake Berryessa 198 Comment
  UCD124645  Tonella tenella G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12024 Napa On N slope immediately below field house, Quail Ridge Reserve. 370 Comment
  JEPS18244  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa w edge Calistoga 182 Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  LA5971  Torreya californica J. M. Tucker; 1954-4-22 2699 Napa Mt. St. Helena, beside Highway 29, E side of mountain, 1 mi N of summit of road Comment
  HSC95661  Toxicodendron diversilobum Jonathon M. Irvine 1977-4-16 111 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam 183 Comment
  JEPS46485  Toxicodendron diversilobum W. L. Jepson Jan. 1898 Napa St. Helena Comment
  UCD135903  Toxicodendron diversilobum D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD169875  Toxicoscordion fremontii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 716 Napa Knoxville Wildlife Area. 257 Comment
  UCD139843  Toxicoscordion fremontii Rolf Y. Berg 1963-3-3 s.n. Napa State Highway 37, ca. 1.5 miles south of Wooden Valley junction. Comment
  UCD147533  Toxicoscordion micranthum Ellen Dean; Diana Hickson 2014-4-29 8087 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD18019  Toxicoscordion micranthum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 564 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
  UC1299468  Trichostema laxum Freed W. Hoffman 1947-9-12 1369 Napa Butte Canyon near Black Oak Villa North Coast Ranges Comment
  UC1925875  Trifolium Ethel Crum 1931-1 1065 Napa Pope Valley Comment
  JEPS106689  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1980-4-13 833 Napa Snell Valley 237 Comment
  UCD107886  Trifolium bifidum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD18152  Trifolium bifidum Jean Shepard; with Plant Biology 102 class 2000-4-29 190 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD117802  Trifolium bifidum var. decipiens Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  JEPS65798  Trifolium ciliolatum W. L. Jepson 1924-4-27 10368 Napa Toll House Mt. St. Helena Comment
  HSC15112  Trifolium depauperatum J. P. Tracy 1902-5-18 1541 Napa At head of Moore's Creek, 3.4 mi. E of Angwin's 518 Comment
  UC16484  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  JEPS106827  Trifolium depauperatum var. truncatum Jake Ruygt 1983-4-10 1415 Napa Suisun Creek Trail near HWY 121 242 Comment
  UCD108528  Trifolium depauperatum var. truncatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  RSA10688  Trifolium dichotomum Carl B. Wolf 1928-5-3 1799 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA653959  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD118747  Trifolium dubium Katherine Graham; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, along oak woodland. 388 Comment
  UCD48980  Trifolium dubium Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near drainage by dilapidated buldings. 152 Comment
  UCD141586  Trifolium fucatum Ellen Dean 2013-4-27 7707 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  UCD48022  Trifolium fucatum M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 21 Napa Napa County, McLaughlin Reserve, north of Knoxvillle-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 426 Comment
  UCD83446  Trifolium glomeratum Jake Ruygt 1988-4-29 2161 a Napa SE corner of Highway 12 and 29. 22 Comment
  JEPS33666  Trifolium gracilentum var. gracilentum John Thomas Howell 1926-3-28 1776 Napa near Calistoga (Myrtledale Hot Springs) Comment
  UC16633  Trifolium microcephalum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS65981  Trifolium microcephalum W. L. Jepson 1938-5-20 18803 Napa above St. Helena Sanitarium (above vineyard of John Ballentine); Howell Mtn Comment
  POM126208  Trifolium microdon C. F. Sonne 1895-04 3102 Napa Napa Junction Comment
  RSA313540  Trifolium obtusiflorum P. B. Kennedy 1929-5-23 10287 Napa Moore Creek, region of Mt. Howell, Napa Range. Comment
  UCD35669  Trifolium oliganthum Beecher Crampton 1960-5-17 5539 Napa 6 miles west of Oakville. Comment
  POM126206  Trifolium olivaceum var. olivaceum C. F. Sonne 1888-04 183 Napa Napa Comment
  JEPS129145  Trifolium subterraneum Jake Ruygt 1978-4-30 283 Napa 0.1 mile south of Oak Knoll Avenue on Silverado Trail. Napa 7.5' Qua. Comment
  UC160935  Trifolium variegatum Joseph P. Tracy 1902-5-17 1525 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mtn 457 Comment
  UC1925877  Trifolium variegatum Ethel Crum 1931-1 1084 Napa Near Aetna Springs Comment
  UCD38371  Trifolium variegatum Beecher Crampton 1955-4-4 2389 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  POM313549  Trifolium variegatum var. melananthum P. B. Kennedy 1928-5-13 10146 Napa Napa to Sonoma highway 3 miles W. of Napa. Comment
  JEPS4392  Trifolium variegatum var. variegatum W. L. Jepson 1915-4-23 6235 Napa e St. Helena (hills) Comment
  JEPS4160  Trifolium willdenovii W. L. Jepson 1921-5-6 9183 Napa Calistoga 109 Comment
  UC1197523  Trifolium willdenovii Joseph P. Tracy 1903-5-15 1848 Napa near Calistoga; Napa Valley 91 Comment
  UCD109874  Trifolium willdenovii Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  UCD160013  Trifolium willdenovii James A. Neilson Jr. 1975-4-13 3138 Napa Soda Canyon Road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 457 Comment
  UCD33552  Trifolium willdenovii Beecher Crampton 1969-10-14 8522 Napa Napa County, 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  UCD48014  Trifolium willdenovii S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 25 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD49032  Trifolium willdenovii S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 207 Comment
  HSC15179  Trifolium willdenovii Greg Bos 1963-3-30 50 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  UCD109855  Trifolium willdenovii G. F. Hrusa 1992-4-15 10381 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  CAS-BOT-BC451904  Triglochin maritima Peter H. Raven 1952-8-26 5137 Napa Nr. Bentley Wharf 15 Comment
  UC672070  Trillium albidum Herbert L. Mason 1926-3-22 2796 Napa Petrified Forest Comment
  UCD139895  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 s.n. Napa near Diamond Mt. Ck. Below Diamond Mt. Rd., 0.6 mile W of Cal. Hwy 29, just SW of Calistoga. Comment
  CAS-BOT-BC521019  Trillium chloropetalum var. giganteum Alice Eastwood 1918-5-1 6859 Napa Mt St. Helena Comment
  JEPS113979  Trillium ovatum Jake Ruygt 1977-3-24 158 Napa 2.9 miles NW of Mt. Veeder Road, on Redwood Road. Sonoma 7.5' Quad. Comment
  JEPS113980  Trillium ovatum subsp. ovatum Jake Ruygt 1997-3-23 3816 Napa Devil's Canyon, about 1/2 mile upstream Taylor picnic area. Sonoma 7.5' Quad. Comment
  JEPS106582  Triodanis biflora Jake Ruygt 1987-6-5 2028 Napa Wild Horse Valley Ranch near White Creek 402 Comment
  JEPS110638  Triphysaria eriantha Jake Ruygt 1994-3-26 3336 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  JEPS120429  Triphysaria eriantha Jake Ruygt 2010-3-9 5483 Napa Lovell Valley Loop Rd. about 0.5 mi. south of Napa / Sonoma Line. Comment
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w 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
  UCD78099  Triphysaria pusilla Robert E. Preston 2005-3-10 2316 Napa Mouth of Long Canyon 312 Comment
  JEPS74863  Triphysaria pusilla T. I. and F. M. Chuang 1975-5-4 7503 Napa on highway 29, 4.2 mi s Napa Comment
  JEPS74861  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7502 Napa on highway 29, 4.2 mi s Napa Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  UCD93502  Trisetum canescens Beecher Crampton 1956-5-25 3486 Napa Howell Mtns. Comment
  UCR24352  Trisetum canescens John C. Roos 1939-5-7 297 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  UCD160682  Triteleia hyacinthina Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8754 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
  UCD139382  Triteleia laxa L. P. Thibault 1995-6-2 56 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  UCR178675  Triteleia laxa Kook-Hyun Chung, M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 001 Napa Vaca Mtns, Quail Ridge UC Reserve. SE corner of Lake Berryessa, just west of Monticello Dam, along West Road, c. 0.45 mi (2400 ft) NW of the junction with South Decker Canyon Road 242 Comment
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Jan 20 2009
  CAS-BOT-BC526510  Triteleia laxa Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  RSA0009491  Triteleia laxa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET8506566  Triteleia laxa C. M. Fryer 1948-5-9 13 Napa 17 miles N of Monticello. Comment
  UCSB826  Triteleia laxa Keator, Glenn 1958-6-16 Napa Just east of Lake Hennessy, Napa range Comment
  CHSC108728  Triteleia peduncularis B. Castro; L. P. Janeway 2002-5-12 1357 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  JEPS62187  Triteleia peduncularis W. L. Jepson 1938-6-8 18892 Napa South Fork of Butts Creek Butts Canyon Comment
  CAS-BOT-BC527962  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa Slopes above Capell Creek, north end of Capell Valley Comment
  CAS-BOT-BC91200  Umbellularia californica F. G. Krauss 1893-10-5 s.n. Napa West of Calistoga. Comment
  CAS-BOT-BC381965  Uropappus lindleyi John Thomas Howell 1931-4-19 6452 Napa Conn Valley Comment
  HSC81865  Uropappus lindleyi Thomas W. Nelson, Jane P. Nelson 1980-5-3 5144 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC50066  Uropappus lindleyi Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga Napa River Basin Comment
  UCD161365  Uropappus lindleyi Jake Ruygt 1989-4-22 2273 Napa About 1/2 mile south of Monticello Dam on Vaca Mountains. (Coordinates estimated by label maker at UC Davis). 274 Comment
  UCD170678  Uropappus lindleyi 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD36934  Uropappus lindleyi Beecher Crampton 1956-5-25 3449 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  CAS-BOT-BC404189  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1617 Napa Anguin Meadows just west of shopping center Comment
  UCD167017  Vaccinium ovatum Jake Ruygt 1984-3-31 1520 Napa Devil's Canyon. 405 Comment
  JEPS110737  Verbena lasiostachys var. scabrida Jake Ruygt 1979-7-28 780 Napa 2 miles north of fire trail up Mt. St. Helena on HWY 29 487 Comment
  CHSC102288  Veronica anagallis-aquatica Lowell Ahart 2009-10-12 16453 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 Winters. 133 Comment
  JEPS115741  Veronica anagallis-aquatica Lowell Ahart 2009-10-12 16453 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
  UCD160041  Veronica anagallis-aquatica Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve. Hunting Creek at Napa County line crossing. 609 Comment
  JEPS110605  Veronica catenata Jake Ruygt 2004-6-12 4616 Napa 3/4 mi E of Blue Monday Mine 335 Comment
  RSA756844  Veronica catenata Barbara Ertter, Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  UCD49289  Veronica persica Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., near stream, E side of Road, just N of jct with Cut-Off Rd., near dilapidated buildings, about 75 ft. S of screen shed. 152 Comment
  UCD83428  Vicia americana subsp. americana Jake Ruygt 1995-5-8 3476 Napa Taylor Property, 1.5 mi S of boatramp on Sage Canyon Rd. 402 Comment
  JEPS126084  Vicia faba Jake Ruygt 1994-3-12 3411 Napa Buchli Station Road about 0.1 mile south of Duhig Road. Cuttings Wharf 7.5' Qua. Comment
  POM16866  Vicia sativa C. F. Baker 1903-4-19 2600 Napa St. Helena Comment
  POM16867  Vicia sativa C. F. Baker 1903-4-19 1988 Napa Calistoga. Comment
  JEPS106540  Vicia sativa subsp. nigra Jake Ruygt 1990-4-21 2501 Napa Giles Mead ranch, Atlas Peak Rd. 429 Comment
  UCD48003  Vicia villosa subsp. varia S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 18 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  UCD48004  Vicia villosa subsp. villosa A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 26 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  JEPS47333  Viola douglasii L. R. Heckard and R. Bacigalupi 1965-5-15 1461 Napa 4 air mi s of Knoxville (at s end of Cedar Valley, near campground); Cedar Valley Comment
  UCD15014  Viola douglasii Craig Homar 1977-4-8 7 Napa Along Berryessa-Knoxville Road, 34 miles west of Winters. Comment
  CAS-BOT-BC537071  Viola lobata Alice Eastwood 1918-5-1 6823 Napa Mt. St. Helena Comment
  JEPS110802  Viola pedunculata Jake Ruygt 1978-3-12 235 Napa .4 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  CDA11440  Viola purpurea subsp. quercetorum G. F. Hrusa, M. Tu 1995-5-6 12163 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  UCD111178  Viola purpurea subsp. quercetorum H. Popenoe 1949-5-1 17 Napa 1 mile from Pacific Union College on Pope Valley Road. Comment
  RSA44296  Viola purpurea subsp. quercetorum E. Z. Lovegrove 1946-4-28 s.n. Napa Along trail to crater, Mt St Helena. Comment
  CAS-BOT-BC203085  Vitis californica Alice Eastwood 1915-6-5 4652 Napa Calistoga Comment
  CAS-BOT-BC203093  Vitis californica Lewis S. Rose 1955-9-26 55191 Napa Below Conn Lake 4 mi. ne. of Rutherford 60 Comment
  JEPS40255  Vitis californica W. L. Jepson 1922-11-27 9841 Napa Napa River St. Helena (at the river stone bridge) Comment
  SACT002486  Vulpia bromoides John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of Blue Ridge, in foothill woodland on the north side of the flat. 609.6 Comment
  UCD83858  Vulpia bromoides Ellen Dean; Stephen Rae 2010-3-15 5816 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  UCD170685  Vulpia microstachys 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
  UCD93663  Vulpia microstachys Beecher Crampton 1959-5-26 5263 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD93664  Vulpia microstachys Beecher Crampton 1961-5-22 5878 Napa northern end of Capell Valley, along State Highway128, above Capell Creek. Comment
  UCD93689  Vulpia microstachys Leo Koch 1940-4-23 862 Napa Pope Creek, seven miles from Monticello. Comment
  UC730010  Vulpia microstachys var. ciliata Leo F. Koch 1940-4-23 862 Napa 7 mi from Monticello (Pope Creek roadside) Comment
  POM126112  Vulpia microstachys var. confusa Joseph P. Tracy 1902-5-15 1479 Napa Howell Mountain; head of Moore's Creek, 3-4 miles east of Angwin's. 366 Comment
  SACT002520  Vulpia microstachys var. confusa John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam north-facing, rocky slope on south side of highway. Comment
  UC525654  Vulpia microstachys var. microstachys Joseph P. Tracy 1933-6-2 12476 1/2 Napa 5 mi e Angwin's; Howell Mountain, Head of Moore's Creek 396 Comment
  JEPS69257  Vulpia microstachys var. pauciflora Willis L. Jepson 1893-4-24 Napa hills e St. Helena (to Conn Valley Road); Napa River Basin Comment
  UC525653  Vulpia microstachys var. pauciflora Joseph P. Tracy 1933-6-2 12476 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, Moore's Creek 396 Comment
  SEINET10827008  Vulpia myuros var. myuros Edward Lee 1936-3-15 Lee 1790 Napa Silt of river wash. Open, dry. Conn Creek, road from Rutherford to Pope Valley, 2.3 miles by road out of Rutherford. Comment
  UC699696  Vulpia octoflora var. glauca Milo S. Baker 1942-5-27 10202 Napa w of St. Helena town (summit of ridge between Sonoma County and Napa County) Comment
  CAS-BOT-BC128835  Whipplea modesta John Thomas Howell 1931-4-2 6058 Napa Wooden Valley Grade 4.5 miles east of Napa Comment
  CAS-BOT-BC128843  Whipplea modesta Carl B. Wolf 1928-5-4 1866 Napa Mt. St. Helena Comment
  JEPS47493  Whipplea modesta W. L. Jepson 1938-5-20 18807 a Napa slope above St. Helena Sanitarium (in canyon above Ballantine Ranch); Howell Mountain Comment
  UCD20034  Whipplea modesta C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1204 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  UCR43185  Whipplea modesta L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  CAS-BOT-BC77871  Woodwardia fimbriata Peter H. Raven 1964-5-9 19073 Napa 2 miles west of Aetna Springs Comment
  UCD136057  Woodwardia fimbriata D. H. Hartmann 1942-3-7 s.n. Napa Green Valley. Comment
  CAS-BOT-BC383022  Wyethia angustifolia Brannan 1870-5-2 s.n. Napa Oakville Comment
  JEPS32082  Wyethia angustifolia W. L. Jepson 1938-5-24 18847 Napa plateau n Four Corners; Napa Range, Howell Mountain 762 Comment
  JEPS32055  Wyethia angustifolia W. L. Jepson 1944-5-21 27522 Napa about 7 mi n Napa (e side of Napa Valley); Napa Valley Comment
  CAS-BOT-BC383311  Wyethia glabra Dr. A. Kellogg 1870-5-2 s.n. Napa Oakville Comment
  JEPS32123  Wyethia glabra W. L. Jepson 1938-5-24 18850 Napa below Four Corners (at the bend of the hair-pin in the road); Napa Range, Howell Mt. 457 Comment
  UCD136988  Wyethia glabra Collector Unknown 1933-4-14 s.n. Napa near Petrified Forest, Calistoga. Comment
  CDA9002  Xanthium spinosum W. E. Simonds, Buxton, Huett 1958-8-7 Napa 10 miles west of Napa, Highway #37. 0 Comment
  CAS-BOT-BC383740  Xanthium strumarium Peter H. Raven 1951-9-9 3896 Napa Near Slaughterhouse Pt., Napa River 0 Comment
  UCD128205  Yabea microcarpa H. S. Reed 1939-4-16 235 Napa Napa Hills. Comment
  UCD39142  Zeltnera muehlenbergii Beecher Crampton 1964-8-18 7155 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  UCD164752  Zeltnera trichantha Jake Ruygt 2014-6-7 5970 Napa Livermore Ranch, Montesol 663 Comment
  HSC41169  Zigadenus fremontii Robert M. Specht 1976-5-15 459 Napa 0.3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  UC15059  Zigadenus fremontii J. P. Tracy 1902-5-21 1590 Napa 3-4 mi e Angwin's (head Moore's Creek); Howell Mountain, head Moore's Creek 335 Comment
  RSA195359  Zigadenus fremontii Gilbert Muth 1967-3-5 535 Napa Snell Valley. 213 Comment
  RSA293007  Zigadenus fremontii Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 739 Napa Mt. Saint Helena. Comment
  CAS-BOT-BC527189  Zigadenus micranthus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6685 Napa Butt's Canyon, 10 miles north of Howell Mt. Comment
  CAS-BOT-BC527195  Zigadenus micranthus Milo S. Baker 1926-5-1 227 a Napa Mt. St. Helena at the Crater Comment
  JEPS62267  Zigadenus micranthus var. micranthus W. L. Jepson 1920-5-25 9040 Napa Knoxville Ridge, se Napa Co. Knoxville Ridge Comment



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