Search Results — 2000 specimen records retrieved (1479 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
  CAS-BOT-BC331522  Acer macrophyllum Elsa G. Ruckert 1960-3-13 25 Napa 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  UCD17988  Acer macrophyllum Ellen Dean; with Plant Biology 102 class 2001-4-14 714 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., S of jct. with Cutoff Rd., near old homestead (bathtub, etc.). 259 Comment
  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
  CAS-BOT-BC28691  Achillea millefolium P. H. Raven 1952-5-31 4135 Napa Summit of hills SW of Rector Canyon 304 Comment
  UCD164483  Achillea millefolium J. A. Johnston 1995-5-7 11 Napa Next to Hwy 128 approximately, 0.5 miles west of Markley Cover on Lake Berryessa. 1000 Comment
  CAS-BOT-BC211901  Achnatherum coronatum G. L. Stebbins 1966-5-28 6426 Napa Markley Canyon, along State Highway 128, 3.5 miles west of Berryessa Dam 152 Comment
  CAS-BOT-BC29758  Achyrachaena mollis M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS104508  Achyrachaena mollis Jake Ruygt 1982-4-14 1184 Napa Suscol Plain east of Kaiser Steel 1 Comment
  UCD148098  Achyrachaena mollis Jake Ruygt 1977-4-24 194 Napa Napa County; Butts Canyon Rd. west of Pope Valley Elementary School. 213 Comment
  UCD48568  Achyrachaena mollis Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 213 Comment
  RSA195339  Achyrachaena mollis Gilbert Muth 1967-5-19 695 Napa Milliken Dam. 335 Comment
  JEPS126082  Acmispon americanus var. americanus Jake Ruygt 1998-6-16 4029 Napa North of Barnett Roas, Pope Valley. Saint Helena 7.5' Qua. 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
  UCD104080  Acmispon brachycarpus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD35291  Acmispon brachycarpus Beecher Crampton 1955-4-7 2433 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD48948  Acmispon glaber var. glaber K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Along West Rd., ca. 0.38 as the crow flies miles (1500 ft.) NW of jct, with S. Decker Canyon Rd. 237 Comment
  UCD149712  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD75710  Acmispon strigosus Jake Ruygt 1980-4-1 965 Napa Stags Leap. 213 Comment
  UCD48952  Acmispon wrangelianus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 21 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  CDA10859  Adenostoma fasciculatum G. F. Hrusa, M. Rejmanek 1993-5-15 10954 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS44789  Adenostoma fasciculatum W. L. Jepson 1915-12-6 6584 Napa Howell Mt. Comment
  SEINET3077393 Image available Adenostoma fasciculatum Royal D. Suttkus 1967-6-26 67- 30 -38 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD112604  Adenostoma fasciculatum Kamala Crompton 1996-5-3 7 Napa Along Road 128, S of Lake Berryessa. Comment
  UCD49134  Adenostoma fasciculatum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 3 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. 228 Comment
  RSA126038  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1955-5-21 5108 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  RSA60355  Adenostoma fasciculatum var. fasciculatum G. R. Campbell 1948-6-18 658 Napa 10 miles south of Montecello Comment
  SBBG50562  Adenostoma fasciculatum var. fasciculatum B. Stanfield 1966-5-22 49 Napa 1 mi W of Monticello Dam, along St Hwy 128 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
  SEINET265721 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  CDA7848  Aegilops triuncialis Robin Breckenridge 2008-5-5 PDR# 1313557 Napa DFG Preserve/Lake Berryessa, Eastside Rd. 0 Comment
  CAS-BOT-BC202653  Aesculus californica Richard R. Halse 1989-5-13 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  UCD136678  Aesculus californica David Lawfer 1952-5-4 161 Napa Napa. Comment
  UCD67507  Aesculus californica D. Sanchez-Mata 1996-6-5 s.n. Napa Lake Berryessa. Pope Canyon Road. 180 Comment
  UCR146888  Aesculus californica Kathleen Stockwell 2000-5-27 s.n. Napa Coast Range, along Napa Creek which flows to the Napa River, along Kingston Ave. in city of Napa, north of Browns Valley Rd. and Westwood Hills Park 30 Comment
  JEPS104511  Agoseris heterophylla Jake Ruygt 1994-5-17 3378 Napa Barnett Road, Pope Valley, Juliana Vineyards. 252 Comment
  CAS-BOT-BC22755  Agoseris heterophylla J. T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC46059  Agoseris heterophylla var. cryptopleura John Thomas Howell 1931-4-19 6451 Napa Conn Valley Comment
  CAS-BOT-BC46061  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  UC164850  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-14 1439 Napa 3-4 mi e, (head of Moore's Creek) Angwin's; Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC127401  Agrostis elliottiana Peter H. Raven 1955-4-9 8268 Napa Howell Mountain (west slope). 457 Comment
  UCD51702  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 3-4 miles east of Angwin's, Howell Mountain. 518 Comment
  UCD39091  Agrostis exarata Beecher Crampton 1963-9-25 6905 Napa State Hwy. 37, west slope of Howell Mtns. east of Napa. Comment
  UCD52404  Agrostis exarata B. Crampton 1954-6-25 2012 Napa 3 miles south of Calistoga. Comment
  CAS-BOT-BC139522  Agrostis hallii Peter H. Raven 1951-6-24 3013 Napa Browns Valley. 30 Comment
  SEINET9326859  Agrostis hallii Unknown 1957-6-4 4109 Napa Napa Comment
  POM126099  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC138437  Aira caryophyllea Carl B. Wolf 1928-5-3 1809 Napa 2 miles south of Hawkins Mount Inn Camp. Comment
  JEPS97780  Allium amplectens Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2775 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC461088  Allium amplectens John Thomas Howell 1933-6-4 11391 Napa Hills east of Napa Comment
  CAS-BOT-BC461091  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  SEINET12044090  Allium amplectens M. S. Jussel 1937-1 s.n. Napa Palisades Comment
  SEINET12044092  Allium amplectens J. T. Howell 1933-1 11319 Napa Hills E of Napa Comment
  JEPS47592  Allium falcifolium W. L. Jepson 1915-4-23 6250 Napa Conn Valley Comment
  UC1585999  Allium falcifolium Barbara Ertter with Annetta Carter 1989-5-28 8506 Napa on Berryessa Rd. 2 mi se Lake Co. line (hills s of road, near Knoxville, extreme n Napa County) 609 Comment
  CAS-BOT-BC469024  Allium falcifolium M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC469031  Allium falcifolium H. C. Cantelow 1939-4-8 3906 Napa 3 1/2 miles NW of Knoxville 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
  UCD141791  Allium falcifolium L. K. Mann 1957-4-18 s.n. Napa above road aout 1/4 mile east of crest on Conn Dam. Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UCD148575  Allium neapolitanum Jake Ruygt 2006-3-20 4959 Napa Napa County; St. Helena; west side of Hwy 29, about 0.25 mile north of Whitehall Lane. 56 Comment
  CAS-BOT-BC472784  Allium neapolitanum Peter H. Raven 1957-5-5 10786 Napa Calistoga 91 Comment
  POM215781  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville. Comment
  JEPS122717  Allium triquetrum Jake Ruygt 1984-4-28 1533 Napa 0.2 mile south of end of Redwood Road. Quad: Sonoma. Comment
  UCD148579  Allium vineale Jake Ruygt 1986-6-20 1826 Napa Napa County; between Tulocay Creek and Imola Ave. 3 Comment
  UC648320  Allophyllum divaricatum M. S. Jussel 1937-5-23 Napa Palisades Comment
  JEPS54292  Amaranthus albus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  SD211531  Amaranthus californicus Barbara Ertter, Elizabeth Neese 1988-10-2 7969 Napa Lake Hennessey circa 15 airmiles North-northwest of Napa on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  UC1010754  Amaranthus californicus Peter H. Raven 1951-10-28 3944 Napa Conn Lake 152 Comment
  JEPS115744  Amaranthus retroflexus Lowell Ahart 2009-10-12 16471 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  JEPS54322  Amaranthus retroflexus W. L. Jepson 1894-11-5 Napa St. Helena Comment
  UCD148100  Ambrosia psilostachya Jake Ruygt 1987-7-29 2091 Napa City of Napa: bank of Napa River just south of Third Street. 2 Comment
  UCD33089  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UC12076  Amelanchier alnifolia var. semiintegrifolia Willis L. Jepson 1893-5-8 Napa near Angwin's (Howell Mt); Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC136748  Amelanchier utahensis John Thomas Howell 1940-5-19 15447 Napa Upper St. Helena Creek Comment
  CDA34246  Ammannia robusta L. Ahart 2009-10-27 16489 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  UC1197392  Ammi majus Joseph P. Tracy 1938-8-7 16092 Napa Yountville 30 Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  UCD170819  Amsinckia intermedia 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD18086  Amsinckia intermedia Ellen Dean; with PLB 102 class 2000-4-22 642 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
  UCD48652  Amsinckia intermedia Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 1 Napa Quail Ridge Reserve, Decker Canyon, along S. Decker Canyon Rd., N of jct with Cut-Off Rd., S of jct with N. Decker Canyon Rd., approximately 5 m. W of screen shed and about 45 ft. from road. 152 Comment
  JEPS61120  Amsinckia intermedia Willis L. Jepson 1893-1 21081 Napa Angivins Meadows; Napa River Basin, Howell Mountain, Napa Range Comment
  UCD14969  Amsinckia intermedia Craig Homan 1977-4-8 4 Napa California, Napa Co.; 14 miles southwest of Winters along Highway 128; Comment
  UCD119763  Amsinckia menziesii S. Galen Smith 1951-4-15 s.n. Napa Along Silverado Trail. Comment
  UCD49107  Anagallis arvensis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 3 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
  UCD49108  Anagallis arvensis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 15 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
  HSC44003  Ancistrocarphus filagineus Robert M. Specht 1977-4-13 648 Napa 524 Comment
  UC165851  Ancistrocarphus filagineus J. P. Tracy 1902-5-15 1457 Napa 3 to 4 mi e, (head of Moore's Creek) Angwin's; Howell Mt., Moore's Creek 457 Comment
  UCD20723  Angelica californica Mark Bibbo; w/ Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  JEPS14088  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  JEPS16006  Angelica tomentosa W. L. Jepson Dec. 1897 13483 Napa St. Helena Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  UC20797  Angelica tomentosa Willis L. Jepson Aug. 1892 Napa near St. Helena (Napa River Basin); Napa River Basin Comment
  UCD135768  Anisocarpus madioides Bruce G. Baldwin 1985-6-2 488 Napa 0.6 mile east of Napa/Sonoma Counties boundary along Oakville Grade Road. Comment
  UC1537058  Anthemis cotula Gordon H. True Jr. 1937-6-21 736 Napa near Lokoya Lodge 365 Comment
  IRVC19774  Anthriscus caucalis Anne E. Justice 1981-4-27 s.n. Napa 10 miles from Winters on Hwy 128, just past Monticello Dam. Comment
  RSA132844  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa About 2 miles SW of Oakville. 152 Comment
  UCR146404  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa Inner North Coast Ranges, 4.7 miles east of Conn Reservoir Dam on State Hwy. 128 244 Comment
  HSC83249  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. M. Thompson 1983-6-16 335 Napa Steep banks along valley of Pope Creek at an area reached by traveling private vineyard roads at end of Barnett Rd., 1.9 mi. from start 195 Comment
  SD120898  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-11 335 Napa banks along valley of Pope Creek at end of Barnett road 195 Comment
  RSA80428  Antirrhinum virga Joseph A. Ewan 1933-9-17 8017 Napa Near Stevenson Monument, Mt St Helena Comment
  UCD164753  Antirrhinum virga Jake Ruygt 2014-6-7 Napa Livermore Ranch, Montesol. 663 Comment
  HSC24622  Aphanes occidentalis I. L. Wiggins 1932-3-12 5763 Napa Hillside between Franz Valley and Calistoga Comment
  JEPS45621  Aphanes occidentalis W. L. Jepson 1924-4-6 10314 Napa Conn Valley; Napa Range 91 Comment
  UCD18156  Apiastrum angustifolium Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD36935  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  POM256859  Apocynum X floribundum H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  JEPS104560  Apocynum androsaemifolium Jake Ruygt 1992-5-7 2940 Napa south of Leoma Lakes, Wild Horse Valley 414 Comment
  JEPS104561  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2024 Napa Wild Horse Valley Ranch 441 Comment
  JEPS104488  Apocynum cannabinum Jake Ruygt 1991-6-22 2731 Napa 4.3 miles north of stone bridge over Eti cuera Cr.;Berry-Knox. 233 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
  SEINET5721765 Image available Aquilegia eximia Robert A. Christison 1960-1 55 Napa State Hwy 37 ca. 16.3 miles from Napa.; Napa 23 Comment
  CAS-BOT-BC397793  Aquilegia formosa Betty Johnston 1958-6-15 639 Napa 1/4 the mi. above Mt. Mill House, 6.4 mil SW of Middleton Comment
  UCD117478  Arbutus menziesii L. Flaherty 1991-4-4 s.n. Napa Near Los Posadas. Comment
  UCSB19044  Arbutus menziesii 1965-4-13 Napa 3 miles W of Pope Valley on the road between Pope Valley and Angwin Comment
  SEINET7258058  Arbutus menziesii A. Woods s.n. Napa St. Helena Comment
  UC403206  Arceuthobium campylopodum W. L. Jepson 1895-12-26 Napa Conn Valley Comment
  CAS-BOT-BC410144  Arceuthobium occidentale Peter H. Raven 1951-10-28 3928 Napa Corn Valley 152 Comment
  HSC7610  Arctostaphylos canescens C. B. Wolf 1928-2-25 1503 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  LA28777  Arctostaphylos canescens E. A. Goldman; 1907-12-28 63 Napa Mount Saint Helena 914 Comment
  CAS-BOT-BC23954  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-3-21 1703 Napa Mt. St. Helena along trail to summit Comment
  CAS-BOT-BC23962  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1963-9-23 105 Napa Near quarry, near Lake County Line, Mt. St. Helana. Adjacent to Silverado State Park. Comment
  CAS-BOT-BC23983  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-7 4697 Napa Mt. St. Helena 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
  JEPS116574  Arctostaphylos canescens subsp. canescens Jake Ruygt 1978-3-19 248 Napa Mount Saint Helena. Detert Reservoir 7.5' Quad. Comment
  POM367245  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa Mt. St. Helena grade. 549 Comment
  RSA15669  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA203083  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  RSA70861  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4564 Napa Crater Country' near Mt. St. Helena. Comment
  SDSU1489  Arctostaphylos canescens subsp. canescens D. F. Howe 1969-6-7 4634 Napa 2 miles south of Lake-Napa Co. line. 518 Comment
  UC674740  Arctostaphylos canescens subsp. canescens W. K. Fisher 1900-9-9 Napa Mt. St. Helena 853 Comment
  JEPS120407  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5498 Napa Archer Taylor Preserve, east slope of Bismark Knob above Devil's Well. Comment
  CAS-BOT-BC23103  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-7-13 5353 Napa Chaparral on the edge of the Crater Country Comment
  SBBG5421  Arctostaphylos glandulosa subsp. glandulosa Milton Workman 1953-3-23 26 Napa Mix Cyn Comment
  UC1120199  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1932-5-16 83 Napa Sarcos Creek Napa Quadrangle Comment
  UC1120313  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1936-9-20 711 Napa Mt. St. Helena Calistoga Quadrangle Comment
  UC571225  Arctostaphylos glandulosa subsp. glandulosa H. L. Mason 1925-1-23 1205 a Napa Wooden Valley Grade Comment
  POM367347  Arctostaphylos manzanita H. de Forest 1930-3-23 14613 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  UC876434  Arctostaphylos manzanita Alice Eastwood and John Thomas Howell 1937-4-4 3830 Napa e Napa; Wooden Valley Grade Comment
  JEPS68362  Arctostaphylos manzanita subsp. elegans L. R. Heckard 1972-6-26 2996 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  CAS-BOT-BC38729  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10952 Napa Serpentine ridge, 2 miles e. of Occidental Comment
  CAS-BOT-BC38762  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7948 Napa Mt. St. Helena Comment
  CAS-BOT-BC38766  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4558 Napa About 1 mile se. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  CAS-BOT-BC38767  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4560 Napa Near Mt. St. Helena Comment
  CAS-BOT-BC38775  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-2-22 6413 a Napa Hills just north of White Sulfur Springs, w. of St. Helena 152 Comment
  JEPS38707  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1895-12-26 14714 Napa hills e St. Helena Comment
  JEPS81582  Arctostaphylos manzanita subsp. manzanita R. Raiche 1982-1-16 20033 Napa on Knoxville Road 11.2 mi n State Hwy 128 Comment
Read comments
Jan 18 2009
  SBBG5442  Arctostaphylos manzanita subsp. manzanita J. M. Tucker 1941-9-20 396 Napa Putah Cyn, Vaca Range Comment
  SEINET8729957 Image available Arctostaphylos montana Lewis S. Rose 1937-1 37018 Napa Wooden Valley Grade, 8 mi. NE. of Napa. 274 Comment
  SEINET265723 Image available Arctostaphylos patula Royal D. Suttkus 1967-6-26 67- 30 -18 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC43827  Arctostaphylos stanfordiana C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC43838  Arctostaphylos stanfordiana John Thomas Howell 1930-3-23 4559 Napa About 1 mile se. of Mt. St. Helena Inn. Near Mt. St. Helena. Comment
  CAS-BOT-BC43851  Arctostaphylos stanfordiana Alice Eastwood; John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade Comment
  CAS-BOT-BC43855  Arctostaphylos stanfordiana H. E. McMinn 1926-1-2 1630 C Napa Mt. St. Helena Comment
  CAS-BOT-BC43869  Arctostaphylos stanfordiana J. W. Stacey 1922-11-30 s.n. Napa Near Calistoga Comment
  SD125797  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. SW of Angwin 245 Comment
  UC1303138  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa hillside between Calistoga and Franz Valley Comment
  UC1424959  Arctostaphylos stanfordiana Gary D. Wallace 1974-12-23 1347 Napa along Hwy 29 just n Robert Louis Stevenson State Pk. (se of Mt. St. Helena) 609 Comment
  UC193330  Arctostaphylos stanfordiana C. C. Parry April 1888 Napa Calistoga Comment
  UC571226  Arctostaphylos stanfordiana H. L. Mason 1926-1-2 2611 Napa Toll House Canyon Mount St. Helena Comment
  UCD53857  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mile W Aetna Springs. Comment
  UCR23649  Arctostaphylos stanfordiana John C. Roos 1939-1-21 300 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  SEINET11987173  Arctostaphylos stanfordiana J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4086 Napa Strybing Arboretum, San Francisco, orig. from Napa/Sonoma county line in Butts Canyon 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
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  POM202671  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-3-25 11089 Napa Calistoga Comment
  POM203160  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-5-5 11305 Napa Mount St. Helena Comment
  POM367457  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree 1930-7-17 s.n. Napa Napa Comment
  RSA15667  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA52686  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1949-4-30 12084 Napa On saddle bout 1.5 mi. from summit of Mt. St. Helena. Comment
  SBBG5508  Arctostaphylos stanfordiana subsp. stanfordiana E. R. Blakley 1956-12-23 2017 Napa trail to Linda Falls, Angwin 426 Comment
  POM202664  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  UC604657  Arctostaphylos viscida subsp. pulchella Joseph P. Tracy 1938-6-5 15835 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  UC763112  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4915 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  UCD102399  Arctostaphylos viscida subsp. pulchella Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-3-16 s.n. Napa Lake Berryessa. Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road to Capell Creek. 230 Comment
  CAS-BOT-BC47449  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1979-9-4 3413 Napa Few yards from Napa-Lake County line on highway 29 north of Robb Louis Stevenson State Park Comment
  RSA450961  Arctostaphylos viscida subsp. viscida C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  UC1388347  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-20 874 Napa Pope Creek North Coast Ranges Comment
  RSA82765  Aristolochia californica W. M. Grannell 1950-3-10 8 Napa Putah Canyon Comment
  SEINET4208224  Aristolochia californica Richard R. Halse 2013-3-27 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners.; 0 239 Comment
  SEINET5585704  Aristolochia californica Richard R. Halse 2013-1 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  UC543760  Aristolochia californica Herbert L. Mason 1928-4-13 4331 Napa hills between Santa Rosa and Calistoga Comment
  UC59630  Aristolochia californica Jackson Leewis Napa St. Helena Comment
  UCD137821  Aristolochia californica Dean W. Taylor 1972-2-25 1334 Napa at the dam on Putah Creek, Lake Berryessa. 167 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
  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
  UCD32904  Arnica discoidea Beecher Crampton 1965-6-17 7406 Napa Solano-Napa Counties:Vaca mountains, summit of Mt. Vaca. 859 Comment
  CAS-BOT-BC84952  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa Hills due e. Yountville 152 Comment
  JEPS104574  Artemisia douglasiana Jake Ruygt 1978-6-28 374 Napa 2.0 miles north of Browns Valley Rd. on Partrick Rd. 164 Comment
  SEINET4343123  Artemisia pycnocephala Leila M. Shultz, John S. Shultz 1987-9-16 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  UCD121260  Asclepias cordifolia Dan Kurtak 1969-5-3 50 Napa Near Chiles Creek on Pope Valley Road 2 miles south of junction with Lower Chiles Valley Road. Comment
  UCD20615  Asclepias eriocarpa E. Dean; with M. Bibbo 2002-7-5 1162 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  JEPS122691  Asclepias solanoana Jake Ruygt 1988-5-29 1480 Napa Sensitive plant canyon. Quad: Knoxville. Comment
  JEPS103978  Aspidotis californica Jake Ruygt 1990-12-15 2615 Napa Monticello Rd. at site of Jarvis Winery cave 341 Comment
  UC1076342  Aspidotis densa Herbert L. Mason 1926-1-2 2609 Napa Toll House Canyon; Mt St Helena Comment
  UCD137319  Aspidotis densa R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  POM215111  Aster sonomensis J. T. Howell 1932-10-8 10797 Napa 7 miles south of Napa Comment
  JEPS48894  Astragalus breweri Elsa Kraeger 1926-3-27 Napa near Geyser (Calistoga, in field); Calistoga, near Geyser Comment
  JEPS107256  Astragalus claranus Jake Ruygt 1985-3-30 1582 Napa Conn Valley Rd. along L. Hennessey 97 Comment
  JEPS95199  Astragalus claranus Jake Ruygt 1994-4-15 3447 Napa Lewelling Ranch, near Sulphur Springs Rd St. Helena 103 Comment
  UCD160793  Astragalus clevelandii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8673 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
  CDA11592  Astragalus gambelianus G. F. Hrusa, S. Larson 1995-4-1 12058 Napa North Coast Biodiversity Arena; Approx. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  UC1199089  Astragalus gambelianus Joseph P. Tracy 1899-6-14 400 Napa 3-4 mi e Angwin's Howell Mountain (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, , head of Moore's Cree 365 Comment
  UCD144414  Astragalus gambelianus G. F. Hrusa; S. Larson 1995-4-10 12058 Napa Approximately 1 m. below bridge over Pope Creek, on Pope Canyon Road. 175 Comment
  CAS-BOT-BC193126  Astragalus rattanii var. jepsonianus David D. Keck 1933-5-29 2361 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS107249  Astragalus rattanii var. jepsonianus Jake Ruygt 1982-4-25 1205 Napa Walter Springs bridge on Pope Canyon Rd. 179 Comment
  UCD167084  Astragalus rattanii var. jepsonianus Jake Ruygt 2008-4-12 5281 Napa Zim- Zim Creek about 1.5 miles northwest of the falls. 438 Comment
  UC1239779  Athyrium filix-femina var. cyclosorum Joseph P. Tracy 1905-7-6 2216 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt 457 Comment
  CAS-BOT-BC17534  Athysanus pusillus Alice Eastwood 1922-3-25 11102 Napa Calistoga. Comment
  CHSC43811  Athysanus pusillus Lowell Ahart 1976-3-7 1019 Napa On a hillside about 1/4 mile south of the road, about 2 miles south-west of the Monticello Dam. 457 Comment
  UCR23605  Athysanus pusillus John C. Roos 1939-4-18 277 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  UC14310  Athysanus pusillus Platt 1898-1 Napa Vaca Mountains Comment
  JEPS106815  Atriplex joaquinana Jake Ruygt 1991-7-19 2763 Napa south of the end S. Jefferson Street, Napa 1 Comment
  HSC43958  Avena barbata Robert M. Specht 1977-4-19 682 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD56374  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley. 1 mile south of Rutherford. State Highway 128. Comment
  UC30352  Baccharis pilularis Willis L. Jepson 1892-10-22 Napa St. Helena Comment
  UCD129468  Baccharis salicifolia subsp. salicifolia G. F. Hrusa; S. Larson 1995-4-10 12055 Napa along Chiles Valley-Pope Valley Road. Approximately 2 miles east of Lake Hennessey. 200 Comment
  SEINET9328438  Baccharis salicina Unknown 1995-4-10 12055 Napa Napa Comment
  UCD114271  Barbarea orthoceras K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD48675  Barbarea verna C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail, 55 ft. NW of jct with West Rd. 152 Comment
  CAS-BOT-BC145816  Beckmannia syzigachne Peter H. Raven 1951-6-24 3028 Napa Brown's Valley to Napa Sonoma Road. 91 Comment
  JEPS11299  Bellardia trixago W. L. Jepson 1938-5-15 18782 Napa 0.5 mi n Napa Wye Comment
  JEPS106879  Berberis aquifolium var. dictyota Jake Ruygt 1992-3-28 2869 Napa small tributary to Butts Creek, near Berryessa Estates 161 Comment
  UCD161604  Berberis aquifolium var. dictyota Jake Ruygt 1999-5-1 4145 Napa Blue Ridge above Gosling Canyon. 792 Comment
  UCD95912  Berberis aquifolium var. repens Ellen Dean; with Clare Loughran 2011-5-20 7051 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  RSA182010  Boisduvalia densiflora var. densiflora W. L. Jepson 1944-7-30 27545 Napa 3 miles SE of Yountville, Napa Valley. Comment
  JEPS110704  Boisduvalia glabella Jake Ruygt 1981-7-31 1084 Napa Soscol Plain 4 Comment
  SBBG128576  Bolboschoenus maritimus L. Ahart 2009-10-12 16460 Napa below high water line of Lake Berryessa, along Capell Crk S of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd 133 Comment
  CAS-BOT-BC31394  Bolboschoenus robustus John Thomas Howell 1932-10-8 10807 Napa Tidal flat at Cuttings Wharf on Napa River. Comment
  JEPS13536  Boschniakia strobilacea W. L. Jepson 1924-4-27 10387 Napa Mt. St. Helena perhaps near Toll House. Comment
  JEPS112548  Boykinia occidentalis Jake Ruygt 1979-6-28 722 Napa Milliken Canyon, south wall 121 Comment
  UC420469  Boykinia occidentalis H. P. Chandler 1907-5-30 7596 Napa White Sulphur Spr. St. Helena (St. Helena); White Sulphur Spr. Comment
  CAS-BOT-BC106271  Brickellia californica H. E. McMinn 1922-8-2 398 Napa Dutch Canyon [Canon] Comment
  UCD20758  Brickellia californica M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 108 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  CAS-BOT-BC145365  Briza minor Peter H. Raven 1953-5-2 5368 Napa Valley floor east of Yountville. 76 Comment
  RSA696325  Briza minor Keith E. Hoffmaster 1939-4-26 941 Napa Near Monticello. Comment
  JEPS7692  Brodiaea appendiculata W. L. Jepson 1923-6-3 9981 Napa near mouth of Conn Creek; Napa Valley Comment
  UCSB803  Brodiaea coronaria Keator, Glenn 1958-6-16 Napa Near Lake Hennessy, Napa Range Comment
  UC1442894  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1965-5-15 522 Napa on Silverado Trail ca 1 mi n Yountville Junction Comment
  CAS-BOT-BC484196  Brodiaea elegans var. elegans Alice Eastwood 1915-6-5 4633 Napa Calistoga in marsh Comment
  RSA785743  Brodiaea laxa Carrie A. Herd 1982-5-9 96 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  JEPS122767  Brodiaea terrestris subsp. terrestris Jake Ruygt 2005-5-16 4851 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. Comment
  CAS-BOT-BC144329  Bromus Carl B. Wolf 1928-5-3 1817 Napa 2 miles south of Hawkins Mount Inn Camp. Comment
  SBBG117219  Bromus B. Crampton 1961-6-12 5902 Napa 7 mi NE of city of Napa, summit along State Hwy 37, Howell Mtn Comment
  SEINET9361734  Bromus Unknown 1961-6-12 5902 Napa Napa Comment
  UCD149688  Bromus carinatus var. carinatus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD58437  Bromus commutatus M. Wiesendanger 1927-5-4 677 Napa Near Monticello. Comment
  HSC43959  Bromus hordeaceus Robert M. Specht 1977-4-19 690 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS123007  Bromus hordeaceus Jake Ruygt 1982-4-29 1211 Napa Suscol plain west of Highway 29 (221), east of Kaiser (Napa Pipe). Quad: Napa. Comment
  UCD58765  Bromus hordeaceus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  SBBG20183  Bromus laevipes M. S. Walters 1960-6-18 Napa St Hwy 128 ca. 1 mi W of Conn Lake picnic grounds (ca. 4 mi E of Rutherford) Comment
  UCD160749  Bromus laevipes Ellen Dean 2015-5-23 8801 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  UCD33380  Bromus laevipes Beecher Crampton 1967-6-20 8132 Napa Napa County, west slope of Wragg and Markley Canyon Summit on Hwy. 128. Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  UCD121145  Bromus pseudolaevipes Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7345 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  CAS-BOT-BC161638  Bromus sterilis Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5351 Napa South side of Pope Creek northwest of Samuels Springs. 152 Comment
  UCD57534  Calamagrostis ophitidis Beecher Crampton 1953-5-19 1304 Napa 11 miles east of Rutherford, Chiles Valley. Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  JEPS112603  Calandrinia breweri Jake Ruygt 1989-4-8 2257 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS52607  Calandrinia ciliata Willis L. Jepson 1893-4-27 Napa hills near Veteran's Home; Napa River Basin, Yountville Comment
  HSC15340  Calochortus amabilis C. B. Wolf 1928-5-3 1787 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  POM169353  Calochortus amabilis Joseph P. Tracy 1902-5-15 1480 Napa Head of Moores Creek, 3-4 mi E of Angwins. 366 Comment
  POM222010  Calochortus amabilis W. C. Merrill 1895-06 SN Napa Calistoga Comment
  RSA10700  Calochortus amabilis Carl B. Wolf 1928-5-3 1787 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD160636  Calochortus amabilis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8728 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  CAS-BOT-BC488496  Calochortus amabilis Betty H. Johnson 1959-6-8 606 Napa In meadow near St. Helen River 2.4 mi. S.W. of Middletown. Comment
  IRVC19763  Calochortus luteus Anne E. Justice 1981-4-27 s.n. Napa 8.5 miles from Winters on Hwy 128, 1.5 mi before Monticello Dam. Comment
  JEPS8947  Calochortus splendens Rimo Bacigalupi with L. T. Dempster and G. T. Robbins 1954-5-25 4507 Napa 8.2 mi e Conn Lake (reservoir) (slopes above Soda Creek on State Route 28) Comment
  UCD166650  Calochortus splendens Jake Ruygt 1989-5-20 2333 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 441 Comment
  JEPS61728  Calochortus superbus W. L. Jepson 1904-6-3 2432 Napa St. Helena to Howell Mt. (Howell Mt. foothills) Comment
  CAS-BOT-BC483610  Calochortus tolmiei Ira L. Wiggins 1949-4-30 12092 a Napa Mount St. Helena near Lake County Line Comment
  UCD139594  Calochortus umbellatus G. Ledyard Stebbins 1984-4-8 C 405 Napa Chiles Valley. Comment
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Apr 29 2019
  UC457170  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa just nw Calistoga (geysers, nw Napa County) Comment
  UC843712  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  RSA537549  Calochortus vestae Barbara Ertter, Annetta Carter 1989-5-28 8501 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
  UC1876264  Calycadenia fremontii Gerald D. Carr 1972-9-14 734 Napa 1.5 mi E of Howell Mt. Rd. on Conn Valley Rd. 121 Comment
  CAS-BOT-BC270618  Calycadenia multiglandulosa C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  UC1876150  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Rds. Comment
  SEINET7379697 Image available Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  CAS-BOT-BC270825  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa Junction of Lower Chiles Valley and Pope Valley Roads Comment
  CAS-BOT-BC270833  Calycadenia pauciflora John Thomas Howell 1929-8-4 4364 Napa 1 mile below Samuels Springs, Pope Creek Canon [Pope Creek Canyon], Napa Range Comment
  CAS-BOT-BC270839  Calycadenia pauciflora David D. Keck 1933-7-1 2466 Napa Butts Creek Canyon, ca. 5 miles NE of Aetna Springs Comment
  CAS-BOT-BC270832  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake County line on Morgan Valley Road, 125 yards N of 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
  JEPS104713  Calycadenia pauciflora John L. Morrison 1936-9-19 1947 A Napa Knoxville Mines Comment
  JEPS38531  Calycadenia pauciflora W. L. Jepson 1938-10-1 19059 Napa bridge over Putah Creek Coyote Valley Comment
  UCD129845  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road, serpentine. Comment
  UCD129871  Calycadenia pauciflora G. F. Hrusa 1988-9-4 5705 Napa Butts Creek, near Lake-Napa County lines. Comment
  UC1876642  Calycadenia truncata Gerald D. Carr 1971-11-6 686 Napa 0.8 mi S of Angwin on Howell Mt. Rd. Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  CAS-BOT-BC271527  Calycadenia truncata subsp. truncata L. R. Abrams 1916-7-2 5762 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC271555  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC90957  Calycanthus occidentalis James L. Reveal 1987-6-7 6395 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road. About 6.5 miles northwest of Vacaville. 609 Comment
  RSA1008  Calycanthus occidentalis J. T. Howell 1927-8-23 680 Napa Sage Canon, Napa Range. 91 Comment
  UCD15613  Calycanthus occidentalis Lisa Montany 1985-6-1 33 Napa Highway 128, 0.5 miles west of Conn Dam, north of road in clearing. 76 Comment
  SEINET12093077  Calycanthus occidentalis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -332 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  HSC81855  Calystegia collina subsp. collina Thomas W. Nelson, Jane Nelson 1980-5-3 5136 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC140319  Calystegia collina subsp. collina C. F. Baker 1903-5-8 2968 Napa Knoxville Comment
  UCD117787  Calystegia collina subsp. collina Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  UCD14211  Calystegia occidentalis Dixie Paussa 1974-6-8 104 Napa Napa County; at the end of Griggs Lane, above a reservoir; 91 Comment
  UCD14591  Calystegia occidentalis subsp. occidentalis Dean R. Donalson 1984-6-1 s.n. Napa California, Napa Co.; city of Napa 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
  JEPS31634  Calystegia purpurata W. L. Jepson 1938-5-24 18854 Napa betw. Sanitarium and Four Corners (Howell Mtn.); , betw. Sanitarium and Four Corners Comment
  JEPS31641  Calystegia purpurata Willis L. Jepson 1894-5-1 14515 Napa Napa River Basin , trip to mouth Conn Valley (trip to Mouth Conn Valley) Comment
  JEPS31643  Calystegia purpurata Willis L. Jepson 1893-4-25 14517 Napa range w St. Helena (Napa River Basin, trail to <?>au<?>s Cabin); Napa River Basin, range w of St. Helena Comment
  CAS-BOT-BC224631  Calystegia purpurata subsp. purpurata Ira L. Wiggins 1949-4-30 12080 Napa Between Calistoga and Middletown Comment
  UCD159937  Calystegia purpurata subsp. purpurata Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  RSA0059886  Calystegia subacaulis Reino Alava 1957-5-30 985 Napa 4 2/10 mile north of the junction of Highways 37 and 128, on State Highway no. 128. 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
  CAS-BOT-BC37119  Capsella bursa-pastoris R. E. Frenkel 1963-10-27 298 Napa In the vineyard north of Oakville Cross Road. Comment
  JEPS106837  Cardamine californica var. cardiophylla Jake Ruygt 1982-1-24 1093 Napa 3.8 miles south of Monticello Rd. on Wooden Valley Rd. 121 Comment
  JEPS106835  Cardamine californica var. integrifolia Jake Ruygt 1981-3-23 954 Napa across HWY 29 (221) from Kaiser Rd. 10 Comment
  CAS-BOT-BC37858  Cardamine oligosperma Peter H. Raven 1953-3-29 5216 Napa Hills east of Imola. 121 Comment
  UCD41463  Carduus pycnocephalus Ellen Dean; Deborah Canington 2003-3-1 1360 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. By university gate at sign-in post. 390 Comment
  CDA11435  Carex amplifolia G. F. Hrusa, M. Tu 1995-5-6 12158 Napa North Coast Biodiversity Arena; In wet creek bed under shade of redwoods along Moores Creek in Las Posadas State Forest. Dense rhizomatous colony. Comment
  CAS-BOT-BC19171  Carex barbarae Peter H. Raven 1950-5-6 2038 Napa South limits of Calistoga. On Rt. 28. 60 Comment
  JEPS63512  Carex barbarae W. L. Jepson 1937-7-16 18452 Napa near Oakville; Napa Valley Comment
  CDA10951  Carex bolanderi G. F. Hrusa, G. L. Stebbins 1994-4-8 11709 Napa North Coast Biodiversity Arena; Las Posadas State Forest. On moist rocks in streambed of upper Moores Creek. Deep shade under redwoods. Comment
  UC1103107  Carex bolanderi J. P. Tracy 1902-5-21 1597 Napa Howell Mountain, head of Moore's Creek, 3-4 mi E of Angwin's 335 Comment
  CAS-BOT-BC35072  Carex densa Peter H. Raven 1951-6-10 2948 Napa Crater Region of Palisades. 762 Comment
  JEPS63518  Carex densa W. L. Jepson 1936-7-2 17640 Napa Angwin Meadow, Howell Mountain Napa Range Comment
  UCD161746  Carex densa Jake Ruygt 1994-5-14 3374 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 481 Comment
  UCD161635  Carex globosa Jake Ruygt 2005-4-4 4742 Napa Mt. St. Helena, Highway 29 at Old Toll Road. (Coordinates converted from UTM data by label maker.) 472 Comment
  UC1023488  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa e Napa; Sarco Creek 60 Comment
  UCD121154  Carex multicaulis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7351 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  CAS-BOT-BC119518  Carex nudata D. E. Breedlove 1963-4-19 4533 Napa 8 mi N of Pope Valley on Pope Valley to Middletown Road, Butts Canyon. Comment
  RSA3945  Carex nudata I. L. Wiggins 1932-3-12 5753 Napa Rocky bed of N. Fork of Napa River, 1 mile N. of Calistoga. Comment
  SEINET8055338 Image available Carex nudata A. Eastwood, J. T. Howell 1937-4-4 3826 Napa near summit N of Wooden Valley Comment
  CAS-BOT-BC117619  Carex serratodens R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6687 Napa Butts Canyon. 10 mi N of Howell Mt. Comment
  RSA115537  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Highway 128, above Capell Creek, north end of Capell Valley. Comment
  UCD41411  Carex serratodens Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 125 Napa Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, near the next stream-crossing W of the confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  UC1158108  Carex serratodens Joseph P. Tracy 1950-5-23 18684 Napa along branch of Moores Creek; Las Posadas State Forest, Howell Mountain 335 Comment
  UCD161615  Carex subbracteata Jake Ruygt 2002-4-15 4391 Napa north of Foss Valley, Atlas Peak Vineyards (Antinori). 448 Comment
  UCD161694  Carex subbracteata Jake Ruygt 2010-4-19 5509 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  UCD95689  Carex subfusca Ellen Dean; with Clare Loughran 2011-5-20 7035 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UC577191  Carex subfusca Lewis S. Rose 1935-6-4 35206 Napa e slope Mt. St. Helena Comment
  UCD20759  Carex tumulicola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 109 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  CAS-BOT-BC115551  Carex tumulicola Peter H. Raven 1951-6-26 3093 Napa Cappell Valley to Wooden Valley. 274 Comment
  OBI4705  Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa F.J. Tamangi prop, W of Silverado Trl, 0.5 mi N of Larkmead Ln, ca 2 mi SE of Calistoga Comment
  RSA734130  Castilleja Keith E. Hoffmaster 1946-3-23 1242 Napa Napa range, along Napa-Monticello road. Comment
  UCD122178  Castilleja affinis M. Wiesendanger 1927-5-4 693 Napa Monticello-Napa Rd. 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
  JEPS17072  Castilleja affinis subsp. affinis Rimo Bacigalupi with John Dawson 1955-4-25 4843 Napa about 0.75 mi w (below) Hennessey Lake Dam (along Conn Creek road) 79 Comment
  JEPS35589  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1365 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  UCD164766  Castilleja affinis subsp. affinis Jake Ruygt 2014-5-10 5938 Napa Monticello Road about 0.1 mile north of first corner of Wooden Valley grade. 341 Comment
  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
  JEPS4833  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4129 Napa Exactly 1 mile south of summit (St. Helena summit) of State Highway no. 29. Comment
  RSA93064  Castilleja applegatei subsp. martinii Milo S. Baker 1953-5-11 12650 Napa Mt. St. Helena Hwy, West side short distance above Hanley's. Comment
  CHSC114025  Castilleja applegatei subsp. pinetorum Richard R. Halse 2013-3-27 8753 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  SEINET13732897  Castilleja applegatei subsp. pinetorum R. R. Halse 2013-3-27 8753 Napa S end of Lake Berryessa, along State Hwy 128, ca 8.7 miles W of Winters, just W of Monticello Dam. 143 Comment
  JEPS110667  Castilleja attenuata Jake Ruygt 1977-5-1 207 Napa east of east end Westgate Dr., Silverado Country Club 198 Comment
  JEPS9880  Castilleja attenuata W. L. Jepson 1944-5-21 27258 Napa valley at w base Adam-and-Eve Ridge; Howell MOuntain Comment
  UCD148788  Castilleja attenuata Ellen Dean; Diana Hickson 2014-4-29 8096 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UC1237998  Castilleja attenuata John Weiler 1961-4-24 61103 Napa 2.6 mi s Napa State Hospital (on w side of Highway 12) Comment
  JEPS110628  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-5-14 309 Napa .3 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS9410  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 4 Napa Napa, hills sw Napa Comment
  UC1334852  Castilleja densiflora subsp. densiflora L. D. Thurman 1964-4-15 396 Napa 5 mi n Napa (Silverado trail) Comment
  UCD122424  Castilleja exserta C. G. Baughn 1949-4-24 15 Napa Beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  UCD122442  Castilleja exserta P. B. Kaufman 1950-4-7 27 Napa Putah Canyon. 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
  UC1301177  Castilleja foliolosa Helen K. Sharsmith 1963-3-17 5221 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD122504  Castilleja foliolosa Paul C. Hutchinson 1963-3-3 2675 Napa 2 miles above the St. Helena Sanitarium, along the road to Pope Valley. Comment
  POM15474  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena. Comment
  RSA195319  Castilleja foliolosa Gilbert Muth 1967-4-9 607 Napa Between Aetna and Callistoga. 671 Comment
  RSA523429  Castilleja franciscana L. R. Heckard 1964-6-11 1367 Napa Along state highway 128 near Coon Park at western edge of Lake Hennessey. Comment
  UC1537565  Castilleja minor subsp. spiralis Gordon H. True Jr. 1937-7-30 825 Napa near Aetna Springs 365 Comment
  UC190969  Castilleja minor subsp. spiralis Katharine Brandegee 1910-8-26 Napa Aetna Springs Comment
  UC885436  Castilleja minor subsp. spiralis Milo S. Baker 1938-8-22 9222 Napa Lower Lake to Knoxville Road (just s of Lake-Napa County line) Comment
  JEPS110637  Castilleja rubicundula subsp. rubicundula Jake Ruygt 2007-5-29 2194 Napa Cedar Valley 597 Comment
  UCD48216  Castilleja rubicundula subsp. rubicundula S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 24 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD63061  Castilleja rubicundula subsp. rubicundula Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  JEPS58640  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1896-2-23 Napa near La Jota Falls (meadow); Napa River, Howell Mt. Comment
  UCD47951  Caulanthus lasiophyllus J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 13 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS42323  Ceanothus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
Read comments
Jan 18 2009
  CAS-BOT-BC48940  Ceanothus cuneatus Alice Eastwood; John Thomas Howell 1939-6-11 7422 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC48937  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-4-27 DOB 899 b Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 270 Comment
  UC1328142  Ceanothus cuneatus var. cuneatus Donald V. Hemphill 1940-3-22 45 Napa 2 mi w Angwin (Bell's Canyon) 518 Comment
  UC903042  Ceanothus cuneatus var. cuneatus Ethel Crum 1937-4-19 1784 Napa 15 mi n Napa (Steel Canyon,); Napa Range Comment
  CAS-BOT-BC49796  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi. south of Calistoga Comment
  CAS-BOT-BC49803  Ceanothus divergens Brandegee 1889-6-1 s.n. Napa Mt. St. Helena Comment
  POM161253  Ceanothus divergens R. C. Bacigalupi 1926-3-28 s.n. Napa Between 1st and 3rd summit; Mt. St. Helena Comment
  RSA169357  Ceanothus divergens L. S. Rose 1964-4-2 s.n. Napa 2 miles W of Angwin 244 Comment
  POM90823  Ceanothus divergens C. C. Parry 1881-1 s.n. Napa Calistoga. Comment
  JEPS42390  Ceanothus foliosus W. L. Jepson 1894-10-14 14020 a Napa near Calistoga (Rebecca Ranch grade) Comment
  POM85918  Ceanothus foliosus Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  RSA285633  Ceanothus foliosus D. C. Michener 1982-7-25 4116 Napa 2 miles SW of jct with college way in anguin. Comment
  UC1070627  Ceanothus foliosus A. Lewis 1932-5-13 75 A Napa 4 mi up Dry Creek; Napa quad. 304 Comment
  UC18327  Ceanothus foliosus Willis L. Jepson 1893-5-1 Napa Franz Valley Grade at divide; Napa River Basin Comment
  UC79972  Ceanothus foliosus Katharine Brandegee April 1889 Napa Mt. St. Helena Comment
  CAS-BOT-BC50918  Ceanothus foliosus var. foliosus John Thomas Howell 1926-3-21 1706 Napa Trail to top of Mt. St. Helena Comment
  CAS-BOT-BC50920  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12260 Napa Mt. St. Helena trail Comment
  UCD112135  Ceanothus foliosus var. foliosus M. Wiesendanger 1928-4-5 s.n. Napa Monticello Road. Comment
  UCD112139  Ceanothus foliosus var. foliosus Ray Prag 1970-6-9 s.n. Napa Deer Park Road, 3.8 miles east of Silverado Trail. Comment
  UCD164751  Ceanothus foliosus var. foliosus Jake Ruygt 2014-6-7 5974 Napa Livermore Ranch, Montesol. 838 Comment
  UCR220106  Ceanothus foliosus var. foliosus Ayzik Solomeshch, Stephen Rae 2007-7-8 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  RSA10662  Ceanothus foliosus var. vineatus Carl B. Wolf 1928-5-3 s.n. Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  RSA168970  Ceanothus incanus Billy Smith 1962-5-24 27 Napa 2 miles NNW of St. Helena Lookout. 747 Comment
  CAS-BOT-BC50789  Ceanothus integerrimus H. E. McMinn 1922-1-1 388 Napa Between Aetna Springs and Middletown Comment
  CAS-BOT-BC50791  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  UCD148849  Ceanothus integerrimus Ellen Dean; Diana Hickson 2014-4-29 8152 Napa collected along Devilhead Rd in Cupressus woodland on BLM land. Exact location unknown. 487 Comment
  UCD169650  Ceanothus integerrimus Jake Ruygt 2015-6-20 6142 Napa Butts Canyon Road south of Snell Valley Road. 211 Comment
  UCD21539  Ceanothus integerrimus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 3 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next to first stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  UCD169648  Ceanothus integerrimus Jake Ruygt 2014-5-6 5933 Napa Pope Creek about 1.4 mile east of Walter Springs bridge. 170 Comment
  CAS-BOT-BC474707  Ceanothus jepsonii Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersection with Berryessa-Knoxville Road 140 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
  CHSC22530  Ceanothus jepsonii Robert A. Schlising; Glenn Keator 1962-1-25 2025 Napa Mount Saint Helena. Comment
  JEPS42332  Ceanothus jepsonii Willis L. Jepson 1920-7-12 9069 Napa near Old Chiles Mill (Chiles Creek hills); Napa Valley Comment
  CDA11339  Ceanothus jepsonii var. albiflorus G. F. Hrusa 1995-4-2 12049 Napa North Coast Biodiversity Arena; along Hwy 128 approx 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W of Nichellini Winery. Comment
  JEPS79614  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  SDSU10322  Ceanothus jepsonii var. albiflorus Claire Schneider, Gary Waayers 1993-4-10 10 IV93E Napa Located off of State Hwy 128 at mile marker 15.35. Comment
  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
  UCD147529  Ceanothus oliganthus Ellen Dean; Diana Hickson 2014-4-29 8083 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC51563  Ceanothus oliganthus var. sorediatus David D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, West base of Napa Range, 4.5 miles NE. of Napa 90 Comment
  HSC43984  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-15 667 Napa Edge of rd. to Adams Creek on E facing slope 409 Comment
  UCD112306  Ceanothus oliganthus var. sorediatus B. Crampton 1957-4-15 s.n. Napa Martley Canyon, Vaca Mountains. Comment
  UCD67893  Ceanothus oliganthus var. sorediatus F. Takeda 1977-4-16 21 Napa 4.5 mi. SW of Monticello Dam, along Hwy 128, 15 yards off Hwy. 128. Growing on north-facing slope in chaparral. Tree 4 m tall with gray bark, light purple petals, and small flowers. 152 Comment
  CAS-BOT-BC53218  Ceanothus parryi Peter H. Raven 1953-5-2 5415 Napa Soda Creek Canyon ca. 2 miles below Foss Valley 335 Comment
  CAS-BOT-BC53220  Ceanothus parryi Alice Eastwood 1923-5-9 11757 Napa Mt. St. Helena Comment
  CDA11179  Ceanothus parryi G. F. Hrusa 1988-4-16 5539 Napa North Coast Biodiversity Arena; along Pope Creek, immed. E of bridge crossing below Chiles Valley Rd. Comment
  JEPS42254  Ceanothus parryi Willis L. Jepson 1893-4-28 14023 Napa plateau betw Mt. George and Milliken Creek Wooden Valley grade; Napa Range Comment
  RSA22301  Ceanothus parryi Joseph A. Ewan 1937-5-23 10329 Napa Summit trail of Mount St. Helena Comment
  SD7265  Ceanothus parryi T. S. Brandegee June 1889 Napa Mt St Helena Comment
  UC338134  Ceanothus parryi C. C. Parry May 1888 Napa Calistoga Comment
  JEPS42264  Ceanothus prostratus Willis L. Jepson 1893-5-4 14036 Napa Mt. St. Helena Napa River Basin 914 Comment
  CAS-BOT-BC52181  Ceanothus purpureus Herbert L. Mason 1924-1-22 1200 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52185  Ceanothus purpureus Peter H. Raven 1953-5-2 s.n. Napa Soda Creek Canyon 2 miles below Foss Valley 335 Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 Comment
  JEPS110729  Ceanothus purpureus Jake Ruygt 1977-3-7 147 Napa east of east end of Westgate Dr., Silverado 274 Comment
  JEPS42097  Ceanothus purpureus Willis L. Jepson 1893-9-21 14028 Napa Napa Range on Wooden Valley grade Napa River Basin Comment
  POM182715  Ceanothus purpureus D. D. Keck 1931-4-2 1013 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  RSA293486  Ceanothus purpureus C. W. Tilforth, J. Dourley 1979-7-22 1853 Napa Along Wooden Valley Road, NE of Napa Comment
  RSA758696  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 905 c Napa Atlas Road, at roadside 5.7 road miles north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 degrees true north-northeast of Napa. 410 Comment
  UC870639  Ceanothus purpureus Lewis S. Rose Apr 1939 39069 Napa 4 mi NE of Napa 198 Comment
  UC870641  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  UC924264  Ceanothus purpureus H. S. Reed 1939-4-16 Napa Napa Hills 213 Comment
  UCD123868  Ceanothus purpureus D. O. Burge 2007-5-4 904 e Napa Wooden Grade, north-east of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles (5.3 km) east of Atlas Peak Road or 2.3 road miles (3.7 km) west of Wooden Valley Road, at mile marker 13.88, 9.28 km 46 deg. (True) ENE of Napa. 360 Comment
  UCSB40793  Ceanothus purpureus Haller, John 1979-5-4 Napa Mead Ranch, near Atlas Peak Road, about 5 miles (by road) north of State Highway 121 and 9 miles north of Napa 487 Comment
  SEINET12210810  Ceanothus purpureus W. Knight, Knight, I. 1982-1 4658 Napa Tilden Botanic Garden, Berkeley Comment
  SEINET13946225 Image available Ceanothus purpureus Peter H. Raven 1950-1 1768 Napa Wooden valley Grade above napa. Alt. ca 1500 ft 457 Comment
  CDA7076  Centaurea calcitrapa H. K. Wagnon 1967-8-2 Napa 2.4 miles south of Knoxville, Knoxville-Lake Berryessa Road. 0 Comment
  UCD83404  Centaurium tenuiflorum Jake Ruygt 2004-10-10 4682 Napa 0.1 mi N of Wine Country Rd. on Solano Ave. 22 Comment
  JEPS106529  Centaurium trichanthum Jake Ruygt 1982-7-18 1370 Napa Cedar Roughs near Guilliam Springs 231 Comment
  UC1328137  Centaurium trichanthum Donald V. Hemphill 1941-6-26 194 Napa 2 mi se Angwin 396 Comment
  UC153951  Centaurium trichanthum Joseph P. Tracy 1899-7-5 437 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 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
  JEPS12603  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC762611  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  CAS-BOT-BC222944  Cephalanthus occidentalis John Thomas Howell 1929-8-4 4367 Napa One mile bleow Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  JEPS51345  Cerastium glomeratum W. L. Jepson 1900-3-10 529 Napa near St. Helena Comment
  UCD98040  Cerastium glomeratum K. Esau 1939-5-1 s.n. Napa Napa Valley. Comment
  JEPS126119  Ceratophyllum demersum Jake Ruygt 1992-7-18 3097 Napa Small lake on Tuteur Ranch, beyond end of Green Valley Road. Mount George 7.5' Qua. Comment
  SBBG29889  Cercis occidentalis E. Crum 1937-8-8 1956 Napa Putah Crk Cyn, 7 mi SE of Monticello Comment
  SBBG29899  Cercis occidentalis E. Crum 1937-4-18 1787 Napa 11 mi N of Monticello on Knoxville Rd Comment
  UCD48890  Cercis occidentalis Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 19 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 small creek. 167 Comment
  CAS-BOT-BC179382  Cercis occidentalis H. E. McMinn 1925-1-23 1375 D Napa unspecified Comment
  SEINET10451038  Cercis occidentalis John T. Middleton 1936-3-21 Middleton 86 Napa Comment
  UCD33088  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  CAS-BOT-BC135482  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13063 Napa Wooden Valley Grade Comment
  CAS-BOT-BC135483  Cercocarpus betuloides var. betuloides John Thomas Howell; Alice Eastwood 1937-4-4 3831 Napa Rocky canyon, Wooden Valley Grade east of Napa Comment
  CAS-BOT-BC135489  Cercocarpus betuloides var. betuloides Mrs. Elizabeth Wright 1920-2-22 s.n. Napa Calistoga Comment
  SBBG115436  Cercocarpus betuloides var. betuloides B. Crampton 1966-5-10 7715 Napa 9 mi E of Rutherford on St Hwy 128 Comment
  SEINET5733287 Image available Cercocarpus montanus var. glaber James W. Katberg 1966-1 47 Napa ca. 1 mile west of Knoxville.; Knoxville Comment
  UCD170660  Chaenactis glabriuscula var. glabriuscula 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 Comment
  CAS-BOT-BC284570  Chaenactis glabriuscula var. heterocarpha David D. Keck 1931-4-3 1063 Napa 8 miles NW of Monticello, Pope Creek Canyon Comment
  HSC43957  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-19 688 Napa Along drainage running NE from Adams Creek. Comment
  JEPS106928  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1982-5-19 1285 Napa 1.8 miles south of Pope Canyon Rd. on Berryessa-Knoxville R 207 Comment
  UC894475  Chaenactis glabriuscula var. heterocarpha Milo S. Baker 1931-4-19 5413 Napa just nw of School house (along highway, Conn Valley); Conn Valley Comment
  CHSC102530  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UC1130428  Chamaesyce serpyllifolia B. Schreiber 1936-9-20 2356 Napa 5 mi s Reiff 762 Comment
Read comments
Jun 7 2013
  CAS-BOT-BC70163  Cheilanthes gracillima John Thomas Howell 1926-3-28 1763 Napa Summit of Mt. St. Helena Comment
  JEPS103991  Cheilanthes intertexta Jake Ruygt 1983-11-17 1498 Napa Sage Canyon, east of Fir Canyon 365 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
  SEINET5764001 Image available Chenopodium berlandieri H. S. Reed 1948-1 2012 Napa Berryessa Valley, Putah Creek Comment
  UCD161734  Chenopodium berlandieri Jake Ruygt 2006-7-28 5082 Napa south of Airport Road. 13 Comment
  UC924252  Chenopodium multifidum H. S. Reed 1948-11-5 2055 Napa Berryessa Valley Comment
  JEPS115759  Chenopodium pumilio Lowell Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  UCD148778  Chenopodium vulvaria Jake Ruygt 2005-10-8 4953 Napa Napa County; Long Canyon at Berryessa Knoxville Rd. 310 Comment
  JEPS126071  Chimaphila menziesii Jake Ruygt 1987-7-11 2068 Napa Between Rattlesnake Springs and Livermore Road. Detert Reservoir 7.5' Quad. Comment
  JEPS110751  Chorizanthe membranacea Jake Ruygt 1996-4-12 3607 Napa Blue Ridge, north of Monticello Dam. Portuguese Canyon. 487 Comment
  UCD149672  Chorizanthe membranacea Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS120358  Chorizanthe stellulata Jake Ruygt 2010-5-13 5550 Napa Snell Valley, Missimer Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS122678  Cicuta maculata var. bolanderi Jake Ruygt 1986-7-23 1887 Napa East end Marina Drive, Napa. Quad: Napa. Comment
  CAS-BOT-BC278019  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol Comment
  CDA1209  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CDA1210  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CDA1304  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -A Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  JEPS59276  Cirsium occidentale var. venustum W. L. Jepson 1923-4-29 9890 Napa St. Helena 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
  RSA0070870  Cirsium remotifolium J. T. Howell 1941-6-21 16314 A Napa Hills SW of St. Helena. Comment
  JEPS106935  Cirsium remotifolium var. odontolepis Jake Ruygt 1992-6-22 3040 Napa west of Leoma Lakes, Wild Horse Valley Ranch 402 Comment
  UCD49178  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 12 Napa Quail Ridge UC Reserve, northern tip of ridge, in open grassy area N of power lines. 274 Comment
  UCD104417  Clarkia concinna Vincent Chang 1966-5-7 26 Napa 13.8 miles NE of Rutherford on State Highway 128. 152 Comment
  UCD18488  Clarkia concinna P. J. Plummer 1995-5-29 s.n. Napa Hwy 128 and Berryessa Knoxville Rd. 170 Comment
  UCD39195  Clarkia concinna Beecher Crampton 1953-5-19 1300 Napa 9 miles east of Rutherford. Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  HSC64518  Clarkia concinna subsp. concinna J. P. Smith, J. O. Sawyer 1970-5-17 3789 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  JEPS43620  Clarkia concinna subsp. concinna W. L. Jepson 1938-5-22 18809 Napa Limekiln Creek Canyon Pope Valley Comment
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Oct 2 2012
  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
  SJSU11005  Clarkia concinna subsp. concinna C. H. Brocker 1966-3-8 93 Napa Rancho Monticello by NW shore of Lake Berressa Comment
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Aug 26 2011
  CAS-BOT-BC164629  Clarkia gracilis subsp. gracilis Peter H. Raven 1952-5-26 4041 Napa St. Helena to Howell Mt. 304 Comment
  JEPS43693  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1933-6-2 12490 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  UC130884  Clarkia gracilis subsp. gracilis Katharine Brandegee 1909-6-1 Napa Type locality Pope Valley Grade Comment
  RSA209533  Clarkia gracilis subsp. gracilis Betty H. Johnson 1958-6-15 624 Napa 6.4 miles SW of Middletown Comment
  JEPS85844  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  UCD164689  Clarkia gracilis subsp. tracyi L. P. Thibault 1995-6-2 61 Napa West side of Lower Chiles Valley Road. 0.25 miles northwest of Highway 128. 300 Comment
  UCD167272  Clarkia gracilis subsp. tracyi Jake Ruygt 2007-6-21 5225 Napa Las Posadas State Forest, between Moore Creek and Uncle John Creek. 353 Comment
  JEPS120334  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2005-5-21 4858 Napa Skyline Park, base of Rimrock Trail. Mount George 7.5' Quad. Comment
  JEPS43562  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1904-6-3 2431 Napa St. Helena to Howell Mt. Comment
  JEPS43716  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1894-7-19 Napa near Schoolhouse; Mt. St. Helena Comment
  UCD167278  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2000-5-15 4250 b Napa Henry Road, on old Henry Ranch. 152 Comment
  JEPS129099  Clarkia purpurea subsp. viminea Jake Ruygt 2016-4-30 6217 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS43587  Clarkia purpurea subsp. viminea W. L. Jepson 1936-7-3 17635 Napa below Four Corners; Napa Range, Howell Mt. Comment
  JEPS110693  Clarkia rhomboidea Jake Ruygt 1978-5-21 335 Napa .3 mile north of White Cottage Rd. on Summit Rd. 536 Comment
  JEPS120366  Clarkia rhomboidea Jake Ruygt 2010-6-26 5653 Napa Mead Ranch, Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  UC1198512  Clarkia unguiculata J. P. Tracy 1899-6-26 357 1/2 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD18489  Clarkia unguiculata P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  JEPS43603  Clarkia unguiculata W. L. Jepson 1923-6-3 9971 Napa Calistoga Napa Valley Comment
  POM215776  Clarkia unguiculata D. D. Keck 1933-5-29 2353 Napa Pope Creek bridge south of Walters Springs. Comment
  UCD105039  Clarkia unguiculata M. Ensign 1943-5-28 305 Napa 10 miles N of Monticello on road to Lower Lake. Comment
  UCD21538  Claytonia exigua B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 1 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, just W of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  RSA464603  Claytonia exigua subsp. exigua H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  CAS-BOT-BC439370  Claytonia gypsophiloides Marjorie Swabey 1924-2-22 s.n. Napa Toll house road, Mt St Helena on Calistoga side Comment
  POM161337  Claytonia gypsophiloides Rimo C. Bacigalupi 1926-3-28 1269 Napa Patton s Toll House along old road. Comment
  UC412632  Claytonia gypsophiloides H. P. Chandler 1907-4-28 7552 Napa Santa Rosa to Calistoga Comment
  UC7856  Claytonia gypsophiloides Willis L. Jepson 1894-5-1 Napa Upper Napa Valley; Napa River Basin Comment
  UCD148798  Claytonia parviflora Ellen Dean; Diana Hickson 2014-4-29 8105 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC233838  Claytonia parviflora subsp. parviflora John Thomas Howell 1933-5-21 11307 A Napa Hills east of Napa Comment
  UCD100748  Claytonia perfoliata M. Ramos 1996-4-20 6 Napa city of Calistoga, along side of road next to dried river bed. 137 Comment
  UCD15053  Claytonia perfoliata Joe Smilanick 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  JEPS43304  Claytonia perfoliata subsp. perfoliata W. L. Jepson 1893-3-13 Napa St. Helena Comment
  JEPS77938  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1794 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) 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
  UCD49146  Claytonia perfoliata subsp. perfoliata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 B Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  UC9065  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's> Cabin Mt. St. Helena Comment
  CAS-BOT-BC92682  Clematis ligusticifolia H. E. McMinn 296 Napa Upper Pope Canyon about 6 miles north of Aetna Springs on road to Middleton. Comment
  JEPS55205  Clematis ligusticifolia Alice King July 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  UC483682  Collinsia greenei Milo S. Baker 1932-4-26 5965 Napa between Monticello and Pope Val (on Monticello rd to Pope Val, nearer to Pope Val than to Monticello) Comment
  JEPS118638  Collinsia heterophylla B. Castro and L. P. Janeway 2002-5-12 1358 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. Jericho Valley 7.5' quad. Comment
  JEPS7345  Collinsia heterophylla W. L. Jepson 1944-5-21 27527 Napa Adam-and-Eve Ridge Howell Mountain (valley at w base) Comment
  UC1196848  Collinsia heterophylla J. P. Tracy 1902-5-21 1572 Napa 3-4 mi e of Angwins (Howell Mountain, Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 457 Comment
  RSA789049  Collinsia heterophylla Carrie A. Herd 1982-5-9 95 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  CAS-BOT-BC474519  Collinsia sparsiflora G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12029 Napa Quail Ridge Reserve, at entrance gate 290 Comment
  UCD13234  Collinsia sparsiflora Jim McKenna 1974-4-28 74 Napa Dutch Henry Canyon Rd, ca. 3 (airline) miles east of Calistoga. 548 Comment
  UCD14917  Collinsia sparsiflora Craig Homan 1977-4-8 6 Napa 32 miles west of Winters along Berryessa Knoxville Road. Comment
  JEPS15592  Collinsia sparsiflora var. arvensis Rimo Bacigalupi with John Dawson 1955-4-25 4844 Napa 0.75 mi w, below Lake Hennessey Dam (along Conn Creek rd) 79 Comment
  JEPS6320  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-26 21330 Napa Yountville; Napa River Basin Comment
  UCD123675  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1995-4-2 12044 Napa above Highway 128. 200 Comment
  UCD123679  Collinsia sparsiflora var. sparsiflora G. E. Johnston 1974-4-4 6118 Napa Bell Canyon, quadrangle near Angwin. 426 Comment
  JEPS7313  Collinsia tinctoria Willis L. Jepson 1893-6-26 21328 Napa Angwin's Meadows; Napa River Basin; Howell Mtn. Comment
  JEPS7309  Collinsia tinctoria H. P. Chandler 1907-5-26 7593 Napa White Sulphur Spr St. Helena Comment
  CAS-BOT-BC229531  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  UCD13261  Collomia diversifolia Neil Miller 1973-5-5 56 Napa McDonald Ranch, east of Los Posados State Forest, ca. 5 miles south of Pope Valley on Pope Valley Road. Elevation 1000 feet. 304 Comment
  UCD164496  Collomia diversifolia A. Amezcua 1995-4-29 20 Napa Along side of Aetna Springs Road, 3 km west of intersection with Pope Valley Road. 400 Comment
  JEPS129156  Conium maculatum Jake Ruygt 1978-6-18 358 Napa 100 yards east of Maxwell Bridge. Napa 7.5' Quad. Comment
  JEPS106937  Conyza canadensis Jake Ruygt 1992-8-31 3134 Napa west side of Leoma Lakes, Wild Horse Valley Ranch 405 Comment
  JEPS120446  Corallorhiza maculata Jake Ruygt 1986-4-12 1686 Napa North end of Redwood Rd. near Hogback Mountain. Comment
  JEPS6810  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1894-10-14 21346 Napa Rebecca Ranch grade Calistoga Comment
  UC103417  Cordylanthus pilosus subsp. pilosus Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  JEPS6801  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1944-7-30 27539 Napa Four Corners Napa Range, Howell Mountain 426 Comment
  RSA537658  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang, Carl Chuang 1972-7-22 7073 Napa 2 mi. N. of St. Helena. Comment
  SD131925  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, C. L. Custer, G. T. Robbins 1954-8-9 4750 Napa grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort Comment
  JEPS69350  Cordylanthus pringlei T. I. Chuang 1972-7-8 7062 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  JEPS7009  Cordylanthus pringlei W. L. Jepson 1930-10-19 15701 Napa Butts Canyon Comment
  JEPS6645  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa e side Mt. St. Helena Comment
  RSA201598  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa East side of Mt. St. Helena, abotu 0.5 miles south of Lake Co. line. Comment
  CAS-BOT-BC238222  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa East side of Mt. St. Helena Comment
  JEPS80611  Cordylanthus tenuis subsp. brunneus Glenn Clifton 1981-5-27 7848 Napa ca 1 mi sw Knoxville (Devilhead Rd and junction to Hunting Creek) Comment
  CAS-BOT-BC209797  Cornus glabrata H. E. McMinn 1922-6-8 203 Napa Along Pope Creek in the canyon. In Napa Mt. along road, from Monticello to Napa Comment
  RSA603173  Cornus glabrata Joseph A. Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. S of Monticello. Comment
  CAS-BOT-BC209416  Cornus nuttallii John Thomas Howell 1926-10-3 2208 Napa St. Helena Creek one mile below Patten's 609 Comment
  JEPS50159  Cornus nuttallii W. L. Jepson 1924-4-27 10385 a Napa Mt. St. Helena Comment
  UCD161226  Cornus nuttallii Jake Ruygt 2003-4-11 4495 Napa Howell Mtn. Rd. near Ink Grade Rd. (Coordinates estimated by label maker at UC Davis). 560 Comment
  UCSB19154  Cornus nuttallii Rankine, Jane 1965-4-13 Napa 4 miles east of Pope Valley; on the road between Pope Valley and Anqwin Comment
  UC21548  Cornus sericea subsp. sericea Willis L. Jepson 1894-1 Napa Napa R. near St. Helena; Napa R. Basin, Napa R. Comment
  JEPS97929  Coronopus squamatus Jake Ruygt 1997-4-28 3839 Napa S of Napa (E of Hwy 29, S of South Kelly Road) 19 Comment
  SEINET3817855  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa In dry bed of small vernal pool near top of a hill, beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga Comment
  UCD130901  Cotula coronopifolia David Lawfer 1952-4-20 150 Napa Napa. 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
  CAS-BOT-BC427680  Crassula connata David D. Keck 1931-4-2 1023 Napa Wooden Valley Grade, west side of Napa Range, 5.2 miles NE. of Napa 170 Comment
  UCD164829  Crepis pulchra Jake Ruygt 2012-6-16 5866 Napa Alston Park near north parking lot. 33 Comment
  UC1299209  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1946-8-21 1844 Napa near Knoxville; North Coast Ranges Comment
  OBI74553  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Rd near Knoxville:3.0 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  UC1950068  Crypsis schoenoides Barbara Ertter with Elizabeth Neese 1988-10-2 7963 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
  UCD59945  Crypsis schoenoides Beecher Crampton 1962-9-11 6673 Napa Wragg Canyon Resort, Lake Berryessa. Comment
  SD180605  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8.0 miles southwest of Monticello, along highway 128. Comment
  JEPS100842  Cryptantha hispidula Dean Wm. Taylor with Mey Akasah 1999-6-4 17218 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  RSA127499  Cryptantha hispidula M. S. Baker 1938-4-29 8939 Napa Serpentine along road from Monticello east of Pope Valley. Comment
  UC55902  Cryptantha hispidula J. P. Tracy 1902-5-21 1575 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD74364  Cryptantha hispidula Jake Ruygt 1991-5-25 2697 Napa Paradise Valley. 274 Comment
  UCD41409  Cryptantha intermedia Ellen Dean; T. and M. Starbuck 2004-4-3 2001 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn-off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  SD106148  Cryptantha intermedia W. L. Jepson 1938-5-25 18 861 Napa Bell Canyon, Howell Mountain, Napa Range 580 Comment
  CAS-BOT-BC80716  Cupressus macnabiana H. E. McMinn 1925-1-24 1395 A Napa Pope Valley Canyon between Monticello & Pope Valley P.O. Comment
  CAS-BOT-BC80717  Cupressus macnabiana J. Clausen 1935-5-22 1062 Napa 15.9 mi. SE of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  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
  JEPS88724  Cupressus macnabiana W. L. Jepson Jul 1897 Napa Samuel Springs to Middleton Comment
  UCD47752  Cupressus macnabiana R. Blenkush; S. Hee, C. McWhorter. J. Moeller 2000-4-22 1 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  CAS-BOT-BC85480  Cupressus sargentii John Thomas Howell 1926-3-21 1714 Napa St. Helena Creek below Patten's near Napa-Lake county boundary 609 Comment
  CDA11902  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-8 11718 Napa North Coast Biodiversity Arena; Tree, 10 m in height, along small creek tributary to Swartz Creek. Colony on serpentine, approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS39750  Cupressus sargentii unknown 1892-1-1 Napa Howell Mt. Comment
  POM196468  Cupressus sargentii J. T. Howell 1927-8-24 3051 Napa Pope Valley - Middleton Road, Napa Range Comment
  RSA352388  Cupressus sargentii P. H. Raven 1965-5-16 20209 Napa Cedar Valley, vicinity of Knoxville 610 Comment
  UC578055  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calisoga-Middletown 3 mi e St. Helena; Calistoga Quadrangle Comment
  NY16808  Cupressus sargentii R. F. Hoover 1941-4-26 4930 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
  RSA995  Cupressus sargentii J. T. Howell 1927-8-24 690 Napa Butts Valley, Napa Range Comment
  UCD170283  Cuscuta brachycalyx Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 823 Napa Knoxville Wildlife Area, north of Nevada Creek. 481 Comment
  CAS-BOT-BC224537  Cuscuta californica John Thomas Howell 1933-8-27 11648 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  JEPS47095  Cuscuta indecora W. L. Jepson 1930-10-19 15703 Napa Butts Canyon Comment
  JEPS43036  Cuscuta subinclusa W. L. Jepson 1939-9-12 19480 Napa w of St. Helena; Spring Mountain, York Creek Comment
  UCD161785  Cuscuta subinclusa Jake Ruygt 2002-9-4 4454 Napa Sutro Ranch, near north end of Fir Canyon. 609 Comment
  CAS-BOT-BC190215  Cynodon dactylon Peter H. Raven 1951-6-24 3003 Napa Napa. 30 Comment
  RSA13328  Cynoglossum grande C. B. Wolf 1928-2-25 1479 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD117918  Cynoglossum grande Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  CAS-BOT-BC190369  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Hills southwest of St. Helena. Comment
  JEPS121348  Cyperus difformis Jake Ruygt 1987-9-24 2096 Napa Marina Drive, Napa. Comment
  CAS-BOT-BC114679  Cyperus eragrostis Kate E. Phelps 1930-7-1 s.n. Napa Sanitarium Comment
  UC579872  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  JEPS115780  Cyperus erythrorhizos Lowell Ahart 2009-10-27 16496 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  RSA755364  Cyperus erythrorhizos L. Ahart 2009-10-12 16458 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UCSB61644  Cypselea humifusa Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; E of boat-launching ramp on SE edge 91 Comment
  CHSC14003  Cystopteris fragilis C. Eiser 1974-4-24 30 Napa Ne Hwy 128, ca. 6 mi from Markley Canyon Launching, Lake Berryessa. 365 Comment
  JEPS103989  Cystopteris fragilis Jake Ruygt 1984-3-31 1518 Napa Devil's Canyon 548 Comment
  JEPS103990  Cystopteris fragilis Jake Ruygt 1993-3-6 3167 Napa Skyline Park, Skyline trail. 85 Comment
  CAS-BOT-BC70741  Cystopteris fragilis Peter H. Raven 1953-4-2 5292 Napa Tulucay Creek 243 Comment
  JEPS122992  Danthonia californica Jake Ruygt 1982-5-4 1225 a Napa Suscol plain between Kaiser and Highway 29 (221). Quad: Napa. Comment
  UCD37950  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Napa County, town of Pope Valley. Comment
  JEPS14067  Daucus pusillus W. L. Jepson 1936-5-29 17551 Napa Howell Mt., Adam-and-Eve Ridge Comment
  UCD48429  Daucus pusillus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Road ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 228 Comment
  UCD161345  Deinandra corymbosa Jake Ruygt 1986-5-5 1745 Napa West side of Mt. George. (Coordinates estimated by label maker at UC Davis). 326 Comment
  JEPS129149  Delairea odorata Jake Ruygt 1981-12-26 1091 Napa 0.65 miles NE of Monte Vista on Montecito Drive. Napa 7.5' Quad. Comment
  POM161348  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mt, 10 miles W of St Helena Comment
  UC467744  Delphinium hesperium subsp. hesperium Katharine Brandegee Napa Pope Valley Grade Comment
  UCD74352  Delphinium hesperium subsp. pallescens G. Ledyard Stebbins 1967-5-30 6523 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1299397  Delphinium hesperium subsp. pallescens Freed W. Hoffman 1949-5-10 3173 Napa Hwy 28 about on Napa-Yolo County line; Putah Creek, Dam Site Comment
  UC906503  Delphinium hesperium subsp. pallescens J. Ewan 1934-4-30 8835 Napa 0.5 mi from jct Steel Canyon Rd and Monticello-Wingers Rd (along Steel Canyon Rd); ; Napa Co. Comment
  UC608257  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  UC614383  Delphinium nudicaule L. Constance 1938-3-27 2041 Napa e slope of mts above Wooden Valley (8 mi ne of Napa); North Coast Ranges, Howell Mountains 457 Comment
  UC635357  Delphinium nudicaule H. L. Mason 1926-3-14 2723 Napa Mount Saint Helena Comment
  UCD96061  Delphinium nudicaule G. L. Webster 1967-3-23 7487 Napa Along Chiles Creek c. 1 mi. SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  SEINET12093074  Delphinium nudicaule F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -307 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC116493  Delphinium patens subsp. patens C. B. Wolf 1928-5-3 1834 Napa base of Mt. St. Helena Comment
  CAS-BOT-BC116492  Delphinium patens subsp. patens D. D. Keck 1931-4-2 1047 Napa 4 miles S. of Monticello, eastern Napa County. Comment
  JEPS23343  Delphinium uliginosum J. P. Tracy 1899-6-13 354 Napa Howell Mt. Comment
  LA207609  Delphinium uliginosum J. Ewan; 1937-5-23 10360 Napa Lower Lake to Monticello road, 1.9 mi. S of Lake Co. line Comment
  UC1498857  Delphinium uliginosum Katharine Brandegee 1911-6-29 Napa Butts Canyon Comment
  UCD13263  Delphinium uliginosum Mary M. Hektner 1973-6-4 348 Napa Napa CO. Chiles and Pope Valley Road, ca 3 miles north of junction with Lower Chiles Valley Road. Comment
  LA207590  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa 16.2 mi. N of Monticello Comment
  UCD48150  Delphinium variegatum subsp. variegatum C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 15 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 250 meters east of old road in an oak woodland, near a burned area (burned Oct 1999). 640 Comment
  RSA0102440  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa E side of Mt St. Helena. 457 Comment
  CHSC25103  Dendromecon rigida J. E. Beitler 1970-4-19 24 Napa Napa. Located on N. side of road ca. 20 feet in from road shoulder, ca. 11.7 mi. W. on Napa-Monticello road from Moskowite Corners. Comment
  UC1196301  Dendromecon rigida J. P. Tracy 1899-6-19 406 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  SEINET11687431  Deschampsia cespitosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -318 Napa along Butts Canyon Rd near jct with Snell Valley Rd enroute to Berryessa Estates along Butts Creek 250 Comment
  JEPS122993  Deschampsia cespitosa subsp. beringensis Jake Ruygt 1992-6-22 3051 Napa SW of Mitten Lake, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UCD61234  Deschampsia cespitosa var. cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Area. Butts Canon. 200 Comment
  JEPS122988  Deschampsia danthonioides Jake Ruygt 1996-5-4 3654 Napa Butts Canyon Road at James Creek Road; SE field. Quad: Aetna Springs. Comment
  POM126104  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley, near Calistoga Comment
  SEINET200211 Image available Deschampsia danthonioides P. H. Raven 1957-5-5 10746 Napa About alkaline springs near airport Calistoga 91 Comment
  UC1746020  Deschampsia danthonioides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2773 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC187274  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa near Calistoga Northern Coast Ranges, Napa Valley 91 Comment
  UCD160764  Deschampsia danthonioides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8634 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD149574  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
  CAS-BOT-BC253632  Dichanthelium acuminatum subsp. acuminatum Peter H. Raven 1951-6-10 2939 Napa Crater Region E of Palisades 762 Comment
  JEPS64159  Dichelostemma capitatum Willis L. Jepson 1893-5-2 20968 Napa e from Calistoga (on New Pope Valley grade); Napa Range, New Pope Valley Grade Comment
  CAS-BOT-BC499415  Dichelostemma capitatum Peter H. Raven 1953-3-29 5226 Napa Hills e. of Imola 121 Comment
  UC3246  Dichelostemma capitatum Willis L. Jepson 1893-1 Napa e of St. Helena; Napa River Basin Comment
  HSC45346  Dichelostemma capitatum subsp. capitatum R. York 1978-4-8 111 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD139209  Dichelostemma capitatum subsp. capitatum Bill Wengeler 1995-4-16 s.n. Napa 0.2 mile west of Monticello Dam along Hwy 128. 158 Comment
  UCD70462  Dichelostemma capitatum subsp. capitatum B. Wengeler 1995-4-16 s.n. Napa West of City of Winters, 2 m W of Monticello Dam along hwy 128. Open hillside. Perennial, 24 in tall. Flowers purple. 158 Comment
  UCD160771  Dichelostemma congestum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8650 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  JEPS110906  Dichelostemma volubile Jake Ruygt 1978-5-7 298 Napa 1.4 miles east f Spanish Flat turnoff on HWY 128 146 Comment
  UCD48786  Dichelostemma volubile A. Collier; D. Caterson and S. Kenady 2002-5-4 9 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 15 m. 350 Comment
  CAS-BOT-BC502802  Dichelostemma volubile Cornelia S. Masters 1915-6-15 s.n. Napa Napa Valley Comment
  SEINET13769181 Image available Diplacus aurantiacus J. W. Riekels 1961-1 40 Napa State highway 128, 2 miles southwest of Monticello Dam Comment
  SEINET8409813  Diplacus congdonii R. F. Denno 1967-3-29 33 Napa inner Coast Range; 2 miles southwest of Monticello Dam. 137 Comment
  CAS-BOT-BC151960  Diplacus douglasii Maxine Wilkes 1940-5-1 s.n. Napa Headwaters of St. Helena Creek Comment
  CAS-BOT-BC153408  Diplacus layneae J. W. Stacey 1933-5-15 s.n. Napa Howell Mt. Comment
  JEPS61821  Disporum hookeri Willis L. Jepson 1893-5-1 Napa near Calistoga (Napa River Basin, Frary Valley Grade); Napa River Basin, Frary Valley Grade Comment
  CHSC102531  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 miles (air) west of Winters. 152 Comment
  UC105761  Dodecatheon hendersonii Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UCD118964  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa Along trail running along southwest side of Lake Berryessa, 100m from Knoxville Rd. 250 Comment
  UCD151055  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  POM287485  Dodecatheon hendersonii Lyman Benson 1931-2-26 s.n. Napa 4 mi n of Calistoga, Mayacamas Mt. Range. Napa watershed. Northslope. Beneath oaks; base of Mt. St. Helena. 244 Comment
  JEPS103628  Downingia concolor var. concolor Lisa Schultheis 1995-5-31 195 -95 Napa corner of Pope Valley Cross Road and Chiles-Pope Valley Road Comment
  UC1189261  Downingia concolor var. concolor Joseph P. Tracy 1950-5-23 18673 Napa 3 mi e Angwin's; Howell Mountain, La Jota Plateau 518 Comment
  CAS-BOT-BC157777  Drymocallis glandulosa var. glandulosa Peter H. Raven 1950-4-15 1764 Napa Wooden Valley Grade above Napa 457 Comment
  UC1543126  Drymocallis glandulosa var. wrangelliana Charlotte G. Nast 1936-3-27 74 Napa Childs Canyon Comment
  HSC1036  Dryopteris arguta C. B. Wolf 1928-5-3 1841 Napa At the summit of the Mt. St. Helena Grade Comment
  UCD136448  Dryopteris arguta D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  JEPS49899  Dudleya cymosa W. L. Jepson 1896-6-2 13420 Napa near St. Helena; Napa Valley Comment
  UC1127116  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Qaudrangle 609 Comment
  UCD101883  Dudleya cymosa P. B. Caitlin 1957-5-16 37 Napa along Putah Creek, 8.4 miles west of Pope Valley. 30 Comment
  UCD20915  Dudleya cymosa V. (Shorty) Boucher 2002-3-27 6 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  UCD48874  Dudleya cymosa K. Mogel; B. Pekin and M. Higley 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 50 ft. S of the power lines. 274 Comment
  UCD101886  Dudleya cymosa Michael Fleschner 1965-5-13 13 - Napa next to Zim Zam Creek near Cedar Valley, west of Berryessa Knoxville Road, north of Lake Berryessa. Comment
  JEPS126102  Dysphania pumilio Jake Ruygt 1991-6-29 2760 Napa 3.2 miles north of Pope Canyon Road on Barryessa-Knoxville Road. Walter Springs 7.5' Qua. Comment
  SEINET6836772 Image available Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan Halfway Station (between Calistoga and Mount Saint Helena); near pumping plant 111 Comment
  UCD60843  Echinochloa crus-galli Beecher Crampton 1962-10-9 6697 Napa 1 - 1/4 mile southwest of Angwin, Howell Mtn. Road, Conn Creek. Comment
  UCD38848  Echinochloa muricata Beecher Crampton 1962-9-25 6676 Napa Comment
  UC1562616  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
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Jul 2 2011
  JEPS121339  Eleocharis acicularis var. bella Jake Ruygt 1991-6-29 2747 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  JEPS129118  Eleocharis coloradoensis Jake Ruygt 2001-7-8 4328 Napa Lake Hennessey at the boat ramp. Yountville 7.5' Quad. Comment
  CAS-BOT-BC112167  Eleocharis radicans Peter H. Raven 1952-8-25 5127 Napa Nr. Lokoya. 609 Comment
  JEPS129125  Elodea canadensis Jake Ruygt 2010-8-14 5733 Napa Steele Canyon Resort, Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC769959  Elymus X hansenii Robert F. Hoover 1941-6-8 5321 Napa Mt. St. Helena; e side Comment
  UC1153913  Elymus glaucus Beecher Crampton 1957-6-4 4097 Napa slopes above Capell Creek (n end of valley); Capell Valley 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
  UCD149692  Elymus glaucus 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
  CAS-BOT-BC203590  Elymus glaucus subsp. glaucus Peter H. Raven 1952-5-29 4087 Napa Napa River 1 mi. n. Napa 60 Comment
  JEPS122979  Elymus glaucus subsp. glaucus Jake Ruygt 1988-6-4 2212 Napa South slope Mt. St. Helena above Red Hill. Quad: Detert Reservoir. Comment
  UCD62437  Elymus multisetus E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello-Napa road. Comment
  CAS-BOT-BC204245  Elymus trachycaulus subsp. subsecundus Peter H. Raven 1952-5-31 4158 Napa Rector Dam 152 Comment
  UC1177088  Epilobium brachycarpum Peter H. Raven 1952-9-14 5167 Napa Yountville 106 Comment
  UCD160706  Epilobium campestre Ellen Dean; Jake Ruygt 2015-5-23 8765 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD164739  Epilobium campestre Jake Ruygt 2014-7-7 6022 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  JEPS39259  Epilobium ciliatum subsp. ciliatum Willis L. Jepson 1893-9-24 14465 Napa Napa River Basin, Howell Mt. Howell Mt.; Napa River Basin, Howell Mt. Comment
  UC1198493  Epilobium densiflorum Joseph P. Tracy 1938-8-7 16096 Napa in ditch Yountville 30 Comment
  UCD19923  Epilobium foliosum Ellen Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 778 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  JEPS39211  Epilobium minutum W. L. Jepson 1924-4-27 10374 Napa Toll House Mt. St. Helena Comment
  SBBG50823  Epilobium minutum G. L. Young 1974-4-13 11 Napa SW 1/4 T9N, R5W, S15 Comment
  UCD63747  Epipactis gigantea Daniel Sanchez-Mata; Emin Ugurlu 2006-6-22 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 580 Comment
  RSA97973  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach Comment
  JEPS116560  Equisetum laevigatum Jake Ruygt 1996-4-22 3621 Napa Sheehy Creek at Executive Court. Cuttings Wharf 7.5' Quad. Comment
  JEPS116561  Equisetum telmateia var. braunii Jake Ruygt 1991-4-17 2623 Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Rutherford 7.5' Quad. Comment
  CDA29728  Eragrostis cilianensis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 212 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  HSC100734  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek, NE of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 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
  JEPS106424  Eremocarpus setiger Jake Ruygt 1978-6-11 347 Napa 1.5 miles north of Silverado Trail on Soda Canyon Rd. 60 Comment
  UC87290  Ericameria arborescens Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  UCD131309  Ericameria arborescens George Field 1966-1-8 s.n. Napa 1/2 miles west of Angwin. 487 Comment
  UCD161582  Erigeron biolettii Jake Ruygt 2007-7-28 5252 Napa Duff Ranch, north side of Grassy Hill. (Coordinates converted from UTM data by label maker.) 719 Comment
  CAS-BOT-BC295130  Erigeron greenei Joseph P. Tracy 1938-8-7 16089 Napa Soda Creek Canyon. Napa Valley, between Napa City and Yountville 91 Comment
  CAS-BOT-BC295442  Erigeron karvinskianus Peter H. Raven 1954-2-22 6398 Napa Along Main St., St. Helena 60 Comment
  CAS-BOT-BC295730  Erigeron petrophilus var. petrophilus Peter H. Raven 1951-6-10 s.n. Napa Crater Region, e. of Palisades 762 Comment
  HSC45345  Eriodictyon californicum R. York 1978-4-8 113 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  RSA60356  Eriodictyon californicum G. R. Campbell 1948-6-18 659 Napa 10 miles south of Montecello Comment
  UCD145264  Eriodictyon californicum Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-13 161 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 160 Comment
  UCD159950  Eriodictyon californicum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD16012  Eriodictyon californicum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 9 Napa McLaughlin Reserve, McLaughlin Reserve, found southeast of junction at Devilhead and Hunting Creek Roads. 38 deg. 49' 15'' N, 122 deg. 21' 13'' W; 530 m. Comment
  UCR220101  Eriodictyon californicum 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
  SEINET253260  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, Near Chiles School, Napa Mountains. Comment
  CAS-BOT-BC242613  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa 4 mi. s. of Knoxville on road 365 Comment
  UC406871  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi w, on road to Lowerlake Monticello Comment
  SEINET11938082  Eriogonum luteolum F. W. Hoffman 1947-1 1368 Napa Butts Cayon near Black Oak Villa Comment
  JEPS110790  Eriogonum luteolum var. luteolum Jake Ruygt 1984-6-23 1572 Napa Hwy 29 near Lake Co. line: Detert Reservoir quad 502 Comment
  UC1245379  Eriogonum luteolum var. luteolum Joseph P. Tracy 1950-5-23 18683 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  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
  UCD164784  Eriogonum luteolum var. luteolum Jake Ruygt 2009-6-18 5441 Napa Chiles-Pope Valley Rd. 286 Comment
  UC6527  Eriogonum luteolum var. luteolum H. N. Bolander 1863-9-20 2639 Napa Napa Comment
  CAS-BOT-BC268977  Eriogonum nudum var. auriculatum Peter H. Raven 1951-8-22 3884 Napa 2 8/10 miles from Lokoya on Napa Rd 228 Comment
  RSA766355  Eriogonum nudum var. nudum Joseph A. Ewan 1933-9-17 8001 Napa Near Stevenson Monument, Mt St Helena Comment
  JEPS120314  Eriogonum umbellatum var. smallianum Jake Ruygt 1998-7-11 4083 Napa Blue Ridge, about 1.5 miles north of Mays Flat. Knoxville 7.5' Quad. Comment
  JEPS106952  Eriophyllum confertiflorum Jake Ruygt 1995-6-13 3495 Napa Oakville Grade about 100 yards east of Mt. Veeder Road. 176 Comment
  UCD48640  Eriophyllum lanatum M. Eng; W. Wong, N. Wannlund, A Holman 2002-5-4 2 Napa Quail Ridge UC Reserve, northern top of ridge, N of intersection of West and East roads, on trailside, along lower road leading to power lines, 100 ft. W of lat./long. 335 Comment
  JEPS106953  Eriophyllum lanatum var. achilleoides Jake Ruygt 1976-5-6 55 Napa 2.4 miles northeast of Westgate Dr. on Atlas Peak Rd. 338 Comment
  UCD54313  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  JEPS34727  Eriophyllum lanatum var. achilleoides W. L. Jepson 1936-6-2 17600 Napa Sanitarium, e of St. Helena Comment
  RSA92826  Eriophyllum lanatum var. achilleoides Peter H. Raven 1952-5-31 4136 Napa Summit of hills SW of Rector Canyon 305 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
  RSA161146  Eruca vesicaria subsp. sativa P. H. Raven 1957-5-5 10785 Napa Calistoga 91 Comment
  LA33150  Eryngium aristulatum Robert F. Hoover; 1937-8-31 2701 Napa 6 mi. S of Napa Comment
  UCD77695  Eryngium aristulatum var. aristulatum Robert E. Preston 2005-8-17 2366 Napa 1 mi NW of Napa Junction. 14 Comment
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  UC619330  Eryngium armatum Wilhelm N. Suksdorf 1913-7-24 645 Napa near Napa, SW Comment
  UCD161238  Erysimum capitatum Jake Ruygt 2009-5-22 5415 Napa Napa County : American Canyon, across road from quarry. (Coordinates estimated by label maker at UC Davis). 172 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
  UCD74391  Erysimum capitatum var. capitatum Jake Ruygt 1986-3-29 1676 Napa Hunting Creek west of Knoxville. 326 Comment
  CHSC102277  Erythranthe cardinalis Lowell Ahart 2009-10-12 16451 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  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
  SEINET8340803  Erythranthe microphylla Peta C. Lewis 1967-5-25 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  CAS-BOT-BC26158  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. Comment
  POM196477  Erythronium helenae J. T. Howell 1926-3-21 1715 Napa St. Helena Creek below Pattens 457 Comment
  UCD69385  Erythronium helenae R. B. Kimsey; L. S. Kimsey 1997-5-3 s.n. Napa A half mile west of Aetna Spring, on Sugar Loaf Mountain. Comment
  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-BC402785  Eschscholzia caespitosa Lester Rowntree 1937-3-30 s.n. Napa Steel Canyon near Napa Comment
  RSA51295  Eschscholzia caespitosa subsp. caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley grade above Napa. 457 Comment
  UCD73445  Eschscholzia californica 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
  SEINET4854346  Eschscholzia formosa Carl F. Baker 1903-4-20 2614 Napa Mount St. Helena. Comment
  JEPS129127  Eucalyptus tereticornis Jake Ruygt 2001-3-21 4297 Napa Napa River on the east side of the oxbow, Napa. Napa 7.5' Quad. Comment
  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
  JEPS104492  Euphorbia crenulata Jake Ruygt 1994-3-15 3323 Napa Chiles Canyon Road about 1 mile from Chiles Valley 182 Comment
  UCD142806  Euphorbia serpillifolia Freed W. Hoffman 1946-8-20 856 Napa Soda Creek. Comment
  JEPS104530  Eurybia radulina Jake Ruygt 1978-8-29 400 Napa 4.1 miles north of Redwood Rd. on Dry Creek Rd. 91 Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  UC485607  Eurybia radulina Katharine Brandegee 1910-7-27 Napa Angwin, Howell Mt. Comment
  UCD20757  Euthamia occidentalis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 107 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  CHSC57559  Festuca californica J. D. Prouty 1980-6-12 Napa Roadbank of Hwy 29 ca 4.5 mi southwest of summit at R.L. Stevenson State Park. 243 Comment
  JEPS69235  Festuca californica W. L. Jepson 1913-4-15 5315 Napa Howell Mt. 609 Comment
  JEPS71213  Festuca californica W. L. Jepson 1936-7-3 17647 Napa Howell Mt. Comment
  UCD149700  Festuca californica 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
  UCD19336  Festuca californica M. A. Bibbo; E. Dean 2001-7-6 28 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  UCD41413  Festuca californica Mark Bibbo; Ellen Dean, Alex Lee, Burak Petin 2003-4-26 127 Napa Just east of the Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  UCD65832  Festuca californica Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  CAS-BOT-BC278340  Festuca californica subsp. californica Peter H. Raven 1964-5-9 19069 Napa Along dirt road 2 miles west of Aetna Springs Comment
  HSC26181  Festuca elmeri J. P. Smith, J. O. Sawyer 1970-5-17 3778 Napa 3 mi. S of Pope Valley Comment
  UC187121  Festuca elmeri J. P. Tracy 1902-5-22 1629 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  POM126174  Festuca occidentalis Joseph P. Tracy 1902-5-18 1544 .5 Napa Head of Moore's Creek, 3-4 miles east of Angwin's. 488 Comment
  UCD66179  Festuca occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD66254  Festuca roemeri Beecher Crampton 1954-5-6 1831 Napa 5 miles south of Monticello. Comment
  POM57347  Filago californica C. F. Baker 1903-4-20 2626 Napa Mt. St. Helena. Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  JEPS17497  Foeniculum vulgare Willis L. Jepson 1894-10-15 14234 Napa Napa R. Rd. near St. Helena; Napa River Basin Comment
  UC21052  Foeniculum vulgare W. L. Jepson Nov. 1895 Napa St. Helena Comment
  CAS-BOT-BC63008  Frangula californica subsp. crassifolia Mark Kerr 1940-5-29 s.n. Napa 3 mi. n. summit of Mt. St. Helena grade. Comment
  HSC60199  Frangula californica subsp. occidentalis J. P. Smith, J. O. Sawyer 1970-5-17 3785 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  HSC46117  Fraxinus dipetala J. P. Smith, J. O. Sawyer 1970-5-17 3787 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  SEINET6694613 Image available Fraxinus dipetala Evert I. Schlinger 1952-1 69 Napa Samuel Springs, 7 miles northwest of Monticello 91 Comment
  JEPS78436  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  CAS-BOT-BC205890  Fremontodendron californicum M. A. Nobs 1939-6-3 s.n. Napa Half way between Monticello and Lower Lake Comment
  POM231106  Fremontodendron californicum Jens Clausen 1935-5-22 1061 Napa 15.9 mi SE of Lower Lake on the Monticello road beyond the Napa Co line. Comment
  POM258881  Fremontodendron californicum subsp. californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  CAS-BOT-BC130078  Fritillaria affinis Alice Eastwood 1915-6-6 s.n. Napa Calistoga Comment
  JEPS61904  Fritillaria affinis Willis L. Jepson 1893-5-2 14822 Napa e from Calistoga (Napa River Basin, new Pope Valley grade); Napa Mountains, Napa River Basin, Pope Valley Comment
  SJSU1354  Fritillaria affinis J. W. Tilden 1953-5-24 1039 Napa NE slope of Mt St Helena 457 Comment
  UC3648  Fritillaria affinis Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  UCD20922  Fritillaria affinis V. (Shorty) Boucher 2002-4-11 13 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At a bend along West Road, ca. 1000 airline feet E of the locality for Dean 898 - Saxifraga californica. Coordinates are for that locality. 243 Comment
  UCSB679  Fritillaria affinis Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  UC583533  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa n of Calistoga (Mayacama Range, Palisades); Mayacama Range, Palisades Comment
  UC1228174  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa above Capell Creek (n end of Capell Valley, along State Highway 128); Capell Valley Comment
  UC14993  Fritillaria recurva J. P. Tracy 1902-5-21 1585 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  UCSC010490  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  UCSC010491  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  JEPS61951  Fritillaria recurva W. L. Jepson 1893-4-29 14820 Napa near St. Helena (Napa Valley, on York Creek, nw of town); Napa Valley, York Creek Comment
  JEPS61953  Fritillaria recurva Mrs. Mary Van E. Ferguson 1919-4-13 Napa Atlas Mountain Comment
  UCD166660  Fritillaria recurva Jake Ruygt 1979-3-16 457 Napa 1.8 miles NW of Madrona on Spring Mountan Road. 207 Comment
  UCD18032  Galium andrewsii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 581 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD48158  Galium andrewsii L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 12 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD48159  Galium andrewsii K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 11 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill. 548 Comment
  SEINET12329996  Galium andrewsii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -315 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS110565  Galium andrewsii subsp. andrewsii Jake Ruygt 1979-6-3 674 Napa Oat Hill Mine Rd. North 573 Comment
  SEINET7073048  Galium aparine A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UCD117804  Galium aparine Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In ditch on south side of road. 519 Comment
  UCD159924  Galium aparine Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC1196085  Galium bolanderi Joseph P. Tracy 1899-7-3 427 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UCR43199  Galium nuttallii 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
  UCD13187  Galium nuttallii J. R. Clark 1976-4-11 7 Napa Napa City, 4 mi N of junction of rds 121 and 128, along 128, upslope from road. Comment
  UCD13188  Galium nuttallii Gary Fugle 1976-4-11 7 Napa 4 mi N of junction of hwy 121 and 128, along 128. Elev. 550 ft. 167 Comment
  UCR225658B  Galium porrigens Ellen Dean, Stephen Rae 2008-5-21 4985 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  JEPS6609  Galium porrigens var. porrigens Clara A. Hunt 1909-4-29 Napa St. Helena Comment
  CAS-BOT-BC199055  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  CDA11161  Garrya congdonii G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11573 Napa North Coast Biodiversity Arena; 2 m. NW of Aetna Springs along Schwartz Ck. Rd. Comment
  HSC38149  Garrya congdonii Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2346 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  JEPS66757  Garrya flavescens W. L. Jepson 1936-2-8 17400 Napa Adam and Eve Ridge; Howell Mt. Comment
  POM259610  Garrya flavescens subsp. congdonii J. T. Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville road at Lake county line. Comment
  CAS-BOT-BC144379  Garrya fremontii H. E. McMinn 1925-1-23 1363 Napa Summit Wooden Valley Grade Comment
  JEPS126034  Garrya fremontii Jake Ruygt 1990-1-29 2431 Napa Napa Range about 1/2 mile south of Circle Oaks. Capell Valley 7.5' Quad. Comment
  CAS-BOT-BC159265  Garrya veatchii M. S. Jussel 1902-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  CAS-BOT-BC278654  Gastridium phleoides David D. Keck 1933-5-28 2328 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  JEPS86271  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  UCD49066  Geranium dissectum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 3 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
  UCR12066  Geranium dissectum Coleta A. Lawler 1964-3-24 01 Napa Henry Road, c. 0.5 mi. from junction with Buhman Avenue, c. 3 mi. west of Napa 8 Comment
  UCD103357  Geranium dissectum David Lawfer 1952-5-4 157 Napa Napa. Comment
  UCD103392  Geranium dissectum M. R. Wanzer 1948-5-22 25 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  JEPS126066  Geranium molle Jake Ruygt 2005-3-28 4737 Napa Near Knoxville Wildlife Area. Knoxville 7.5' Quad. Comment
  UCD132710  Geranium purpureum Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park, in area near parking lot and around historic mill. 115 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
  RSA83139  Gilia capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa ca. 8 miles NE of Vichy Springs on Monticello road, Mayacama Mountains. 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
  UC23451  Gilia capitata subsp. capitata Ferd. L. Clarke 1892-1 Napa near Yountville; near Yountville Comment
  UC1197930  Gilia capitata subsp. capitata J. P. Tracy 1903-5-16 1838 Napa near Calistoga (region about San Francisco Bay); Region about San Francisco Bay, nr Calistoga 152 Comment
  NY336855  Gilia heterodoxa C. C. Parry 1881-1 180 Napa Comment
  CAS-BOT-BC257666  Gilia tricolor R. C. Wenk; E. S. Wenk 2006-4-30 434 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  RSA3277  Gilia tricolor D. D. Keck 1931-4-3 1103 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  RSA304910  Gilia tricolor Jim Shevock 1971-4-8 919 Napa Hwy 29, near county line. 549 Comment
  JEPS110950  Gilia tricolor subsp. diffusa Jake Ruygt 1992-4-2 2872 Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  JEPS110951  Gilia tricolor subsp. diffusa Jake Ruygt 1991-5-11 2671 Napa Little Bear Valley, near Sugarloaf Mtn. 694 Comment
  JEPS120323  Gilia tricolor subsp. diffusa Jake Ruygt 2005-4-17 4768 Napa Bear Valley, north of pond. Detert Reservoir 7.5' Quad. Comment
  UC650504  Gilia tricolor subsp. tricolor Ira L. Wiggins 1928-3-25 2869 Napa roadside 1 1/2 mi ne Calistoga; ne of Calistoga Comment
  UC23857  Gilia tricolor subsp. tricolor Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin Comment
  UCR71524  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 Napa North Coast Ranges, Lake Hennessey, c. 15 air mi NNW of Napa, on Conn Creek 92 Comment
  JEPS122935  Glyceria occidentalis Jake Ruygt 1996-5-11 3659 Napa SE of Suscol; Napa Sanitation district; Somky Ranch. Quad: Cuttings Wharf. Comment
  UCD75826  Glycyrrhiza lepidota Jake Ruygt 1998-6-24 4060 Napa Goslin Creek, lower Goslin Canyon. 155 Comment
  UC1746131  Gratiola ebracteata Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2762 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS4233  Gratiola ebracteata Willis L. Jepson 1893-4-27 21317 Napa sw Napa City (Napa River Basin); , sw of Napa City 15 Comment
  UCD160703  Grindelia camporum Ellen Dean; Jake Ruygt 2015-5-23 8762 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek. 579 Comment
  CAS-BOT-BC304883  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC304889  Grindelia hirsutula John Thomas Howell 1932-10-8 10804 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304903  Grindelia hirsutula John Thomas Howell 1929-8-4 4361 A Napa Flood bed of Pope Creek, one mile below Samuels Springs, Napa Range Comment
  CAS-BOT-BC304909  Grindelia hirsutula Peter H. Raven 1951-8-21 3870 Napa Ridge s.e. of Mt. Veeder 716 Comment
  CAS-BOT-BC304910  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Lower slopes of Mt. St. Helena Comment
  POM359073  Grindelia hirsutula Peter H. Raven 1965-5-15 20200 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  UC134569 Image available Grindelia hirsutula Alice Eastwood 1900-5-7 Napa Calistoga Comment
  JEPS120421  Grindelia hirsutula Jake Ruygt 2010-8-14 5714 Napa Berryessa Estates picnic area adjacent to Putah Creek at junction with Butts Cr. Comment
  POM183387  Grindelia hirsutula var. davyi J. T. Howell 1930-7-13 5346 Napa Mt. St. Helena. Comment
  RSA430116  Guillenia flavescens Robert M. Specht 1977-4-13 649 Napa Plants of the Ukiah District. 524 Comment
  CAS-BOT-BC202652  Gyminda tonduzii James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville Comment
  JEPS100843  Harmonia hallii Dean Wm. Taylor with Mey Akasah 1999-6-4 17219 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UC177483  Harmonia hallii C. F. Baker 1902-5-8 3079 Napa Knoxville Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302220  Harmonia nutans J. W. Stacey 1933-5-16 s.n. Napa Howell Mt. 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
  UC1301042  Harmonia nutans Helen K. Sharsmith 1963-4-20 5338 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UC165191  Harmonia nutans J. P. Tracy 1902-5-21 1619 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  UC905678  Harmonia nutans David D. Keck 1931-4-2 1027 Napa 5.5 mi ne Napa; west side of Napa Range, Wooden Valley Grade 200 Comment
  UC134822  Helianthella californica subsp. californica Brandegee 1888-9-1 Napa Howell Mountain Comment
  UCD19335  Helianthella californica var. californica M. A. Bibbo; E. Dean 2001-7-6 27 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  CAS-BOT-BC223903  Helianthemum scoparium John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CDA11825  Helianthus bolanderi G. F. Hrusa 1993-10-3 11426 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knoxville-Devilhead Rd. from Knowville-Berryessa Rd. 518 Comment
  JEPS35477  Helianthus bolanderi W. L. Jepson 1922-10-22 9837 Napa near mouth of Conn Creek Comment
  CAS-BOT-BC305534  Helianthus bolanderi Alice Eastwood 1939-8-20 7618 Napa Capell Creek Comment
  JEPS4457  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwin's Meadows Comment
  JEPS4458  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Angwin's Meadows Howell Mt., Angwin's Meadows Comment
  JEPS4459  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Napaleo, Angwin's Meadows Howell Mt., Napaleo, Angwin's Meadows Comment
  JEPS115746  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 Winte 133 Comment
  CHSC103019  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS115772  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  UCD169856  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa 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
  UCD160783  Hemizonia congesta Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8663 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  CAS-BOT-BC306143  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC306149  Hemizonia congesta subsp. clevelandii Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UC88998  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-8-1 Napa Calistoga Comment
  CAS-BOT-BC309834  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1926-11-28 1576 Napa American Canon [Canyon] between Napa highway and Cordelia Comment
  UC175022  Hemizonia congesta subsp. luzulifolia Katharine Brandegee Napa near Angwin Comment
  UCD20508  Hemizonia congesta subsp. luzulifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1081 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  UC197530  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10097 Napa Collins Region of San Francisco Bay Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. Comment
  POM215136  Hemizonia pungens subsp. pungens D. D. Keck 1933-11-10 2725 Napa 6 miles S of Napa. Comment
  UC175983  Hesperevax acaulis var. robustior Joseph P. Tracy 1903-5-22 1886 Napa on Eel River (Alder Point); Northern Coast Ranges, Alder Point 152 Comment
  UC2026900  Hesperocyparis macnabiana David Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UCD47749  Hesperocyparis macnabiana Ari Houser, J. Westbrook; S. Ratay, M. Disney, R. Wolfson, S. Wathen 2000-4-22 19 Napa Napa co, McLaughlin Reserve, approx 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1 st ridge south of Devilhead Rd. 518 Comment
  HSC46349  Hesperocyparis sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  UC1736419  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley Comment
  UCD110458  Hesperolinon Christopher Mallek 2008-1 KX1- 6 Napa Knoxville. 593 Comment
  CAS-BOT-BC167422  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  CAS-BOT-BC167423  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  JEPS122852  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 230 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122853  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 232 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS32273  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa on hills at head of Moore's Creek (5 mi e of Angwin's); Howell Mountain 396 Comment
  POM139230  Hesperolinon bicarpellatum Katherine Brandegee 1911-6-29 s.n. Napa Butts Canyon near Aetna Springs. Comment
  RSA151703  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa At head of Moore s Creek, 5 miles east of Angwin s. 396 Comment
  UC1212352  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4605 Napa one fourth mile n Pope Valley (on road to Butt's Creek); Inner North Coast Ranges 243 Comment
  UCD160633  Hesperolinon bicarpellatum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8725 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 217 Comment
  UCR261636  Hesperolinon bicarpellatum Ann Howald 2003-5-23 2340 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  UC1212214  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa se slope below rock spire west of junction of state highways 37 and 128 (s end of valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  JEPS121521  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 231 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122837  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-18 228 Napa Along dirt road offshoot from Dollarhide Road, which originates on Hardin Road just north of Wantrup Wildlife refuge - access is through St. Suprey vineyards. Comment
  JEPS122879  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 625 Napa Pipeline road meadow site at McLaughlin Reserve. Comment
  JEPS32283  Hesperolinon californicum Willis L. Jepson 1893-6-26 13535 Napa Howell Mt. Napa River Basin Comment
  OBI12547  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Inner North Coast Ranges. S margin Chiles Valley near Chiles Valley School 305 Comment
  SD51663  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford. 152 Comment
  UC1212437  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4074 Napa near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 289 Comment
  UC1212448  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa southern margin of valley near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 304 Comment
  UC1212450  Hesperolinon californicum Helen K. Sharsmith 1952-6-1 4115 Napa n slope above Soda Creek (ca 2 mi se of Chiles Valley); Inner North Coast Ranges 243 Comment
  JEPS32281  Hesperolinon californicum Jos. P. Tracy 1899-6-19 384 Napa hill beyond flat Howell Mt. Comment
  CAS-BOT-BC176058  Hesperolinon clevelandii Peter H. Raven 1950-6-20 2387 Napa Howell Mtn., on NNE side road to Pope Valley Comment
  JEPS112648  Hesperolinon clevelandii Jake Ruygt 1989-7-1 2394 Napa Vaca Mtns., north of Mt. Vaca 755 Comment
  UCSC009031  Hesperolinon clevelandii Dylan M. Neubauer 2015-4-26 133 Napa (NCoRI) Butts Canyon Rd, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS122828  Hesperolinon disjunctum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-19 279 Napa Knoxville Devilhead Road. Comment
  RSA151793  Hesperolinon disjunctum H. K. Sharsmith 1952-6-1 4118 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 122 Comment
  SD51675  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Ca. 1.0 mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Montecello road. 121 Comment
  SD58214  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 730 Comment
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Jun 12 2012
  UCD160796  Hesperolinon disjunctum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8676 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
  UCD164756  Hesperolinon disjunctum Jake Ruygt 2014-5-24 5960 Napa Camp Berryessa, north of Pope Creek. 144 Comment
  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
  UCD167298  Hesperolinon disjunctum Jake Ruygt 2004-5-8 4596 Napa Lone Pine Thicket on private road accessible from Devilhead Road. 633 Comment
  JEPS122779  Hesperolinon drymarioides Jake Ruygt 1998-7-11 4089 Napa Devilhead Road about 1/2 mile south of ranch. QUAD: Knoxville. Comment
  UCD167344  Hesperolinon drymarioides Jake Ruygt 1986-7-5 1863 Napa Devilhead Road near farm. 469 Comment
  UC1212275  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4040 Napa w side Chiles Valley (on road to Pope Valley); Inner North Coast Ranges 234 Comment
  UC1601270  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4616 Napa Rutherford-Monticello road Inner North Coast Ranges, Chiles Valley (w side of valley) 243 Comment
  UC668039  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 396 Comment
  UCD36936  Hesperolinon micranthum Beecher Crampton 1956-5-25 3452 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. 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
  RSA355182  Hesperolinon micranthum L. F. LaPre 1985-6-8 s.n. Napa Rare Plant Canyon,'' a tributary of Hunting Creek from the east, 2 mi. SW of the site of Knoxville, just E of the Lake Co. line. 366 Comment
  JEPS122788  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5439 Napa Chiles-Pope Valley Road. QUAD: Chiles Valley. Comment
  JEPS122792  Hesperolinon sharsmithiae Jake Ruygt 2009-6-8 5426 Napa About 2 miles south of Lake Hennessey, boat ramp on private road (Continuum W.). QUAD: Yountville. Comment
  JEPS122793  Hesperolinon sharsmithiae Jake Ruygt 2009-5-27 5424 Napa Mt. George, about 1/8 mile down road from homestead site. Tupper. QUAD: Mount George. Comment
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS32293  Hesperolinon spergulinum W. L. Jepson 1916-8-6 6828 Napa Howell Mt. Comment
  UC1212397  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-19 4142 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  JEPS32296  Hesperolinon spergulinum W. L. Jepson 1944-7-30 27543 Napa meadow below Four Corners; Howell Mt. Comment
  RSA26399  Hesperolinon spergulinum J. T. Howell 1941-6-21 16316 Napa Hills SW of St. Helena. Comment
  JEPS11811  Heterocodon rariflorum W. L. Jepson 1936-6-1 17593 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  CAS-BOT-BC143746  Heteromeles arbutifolia James L. Reveal 1987-6-7 6393 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road; about 5.5 miles west-northwest of Vacaville 182 Comment
  SEINET265722  Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves 7.2 miles NW of Pope Valley Comment
  RSA518726  Heterotheca oregona var. compacta Barbara Ertter, E. Neese 1988-10-2 7949 Napa Lake Hennessey, ca. 15 airmiles NNW of Napa, on Conn Crk in North Coast Ranges. 91 Comment
  CAS-BOT-BC55303  Hirschfeldia incana Peter H. Raven 1952-5-29 4074 Napa Napa River 1 mile north Napa. 60 Comment
  JEPS101835  Hoita macrostachya Dean W. Taylor 1999-7-20 17290 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  POM158605  Hoita macrostachya C. C. Parry 1881-1 s.n. Napa Calistoga Comment
  RSA517453  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. 152 Comment
  UC1618008  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa between Napa and Wooden Valley (n. slopes of George Mt. along Sarco Creek); George Mt., Sarco Creek 152 Comment
  UCD75825  Hoita macrostachya Jake Ruygt 2000-6-10 4274 Napa Adams Creek. 445 Comment
  CAS-BOT-BC280702  Holcus lanatus Elsa G. Ruckert 1960-4-29 s.n. Napa 300 yards from 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC324650  Holocarpha virgata Peter H. Raven 1952-8-26 5131 Napa Near Bentley Wharf 15 Comment
  UCD164825  Holocarpha virgata subsp. virgata Jake Ruygt 2012-8-25 5877 -z Napa South of Spanish Valley. 350 Comment
  JEPS106645  Holozonia filipes Jake Ruygt 1985-6-9 1803 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  UCD160786  Hordeum brachyantherum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8666 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  UC1103742  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1905-7-6 2229 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek, Howell Mountian); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC285093  Hordeum marinum subsp. gussoneanum David D. Keck 1933-5-29 2339 Napa Pope Creek bridge south of Walters Springs. South wall of Pope Creek Canyon Comment
  UCD85377  Hordeum marinum subsp. gussoneanum K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS104542  Hydrocotyle ranunculoides Jake Ruygt 1981-3-29 959 Napa near P.G.and E substation, Suscol ridge 24 Comment
  JEPS66798  Hypericum concinnum Alice King July, 1919 Napa Mt. St. Helena, Van Ness ranch Comment
  UCD160773  Hypericum concinnum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8652 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  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
  RSA458220  Hypericum concinnum E. S. Spalding 1924-7-3 s.n. Napa St. Helena Comment
  UC19031  Hypericum concinnum Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  RSA135875  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17118 Napa 6.3 miles south of Lake County, Highway 29 Comment
  SEINET4170695  Iris fernaldii Unknown 1969-5-24 Napa End of Capell Valley W. of Lake Berryessa. 198 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
  CDA10842  Iris macrosiphon G. F. Hrusa, G. L. Stebbins 1994-4-18 11779 A Napa North Coast Biodiversity Arena; Along Swartz Cyn. Rd. 1.5 m. W of Aetna Springs. 228 Comment
  SEINET7073090  Iris macrosiphon A. G. Vestal 1963-4-7 s.n. Napa High shoulder on the wests side of Silverado Trail. Coordinate datum WGS84/NAD83. (38? deg. 33' 9" North Latitude, -122? deg. 29' 50" West Longitude, UTM Zone 10, 543809mE, 4267032mN. Coordinate datum: NAD27). Comment
  UC1134711  Iris macrosiphon A. Lewis 1932-5-18 98 Napa Dry Creek; Napa Quad. 152 Comment
  UCD116959  Iris macrosiphon Jillian Howard; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD138788  Iris macrosiphon H. Popenoe 1949-5-1 16 Napa Napa Valley: one mile from Pacific Union College on Pope Valley Road. Comment
  UCD71275  Iris macrosiphon Kook-Hyun Chung 2001-4-28 4 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, shady area in interior live oak woodland; flower cream-yellow, perennial 242 Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  JEPS129168  Isoetes howellii Jake Ruygt 2015-5-2 6086 e Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  RSA1932  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  RSA7626  Juglans hindsii Carl B. Wolf 1933-9-28 5514 Napa Spully Ranch at head of Gordan Valley, below Lake Curry Dam 152 Comment
  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
  JEPS126036  Juncus balticus Jake Ruygt 1978-4-6 1287 Napa Suscol plain between Kaiser and Highway 29 (Rocktram). Cuttings Wharf 7.5' Quad. Comment
  UC1601694  Juncus bufonius Ferd. L. Clarke 1892-1 Napa near Yountville Comment
  JEPS67116  Juncus kelloggii Jos. P. Tracy 1902-5-18 1534 a Napa Head of Moores Creek Howell Mt. 518 Comment
  JEPS126058  Juncus occidentalis Jake Ruygt 2006-6-3 5047 Napa Las Posadas State Forest north of Fire Station. Saint Helena 7.5' Quad. Comment
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 Comment
  JEPS75645  Juncus patens W. L. Jepson 1936-6-1 17577 Napa w side Four Corners; Napa Range, Howell Mt. 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
  UCD167053  Juncus xiphioides Jake Ruygt 1991-7-20 2794 Napa 3.2 miles north of Pope Canyon Road on Berryessa- Knoxville Road. 118 Comment
  CAS-BOT-BC236773  Keckiella breviflora Roger von Preissig 1954-5-20 74 Napa South slopes of Mt. St. Helena on road from Santa Rosa to Calistoga 304 Comment
  CAS-BOT-BC237851  Keckiella lemmonii Rimo Bacigalupi 1928-6-20 1873 Napa Howell Mt 10 miles west of St Helena Comment
  JEPS10863  Keckiella lemmonii Alice King Jul 1919 Napa Mt. St. Helena; Van Ness ranch Comment
  UC917155  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 mi from Winters (on road to Monticello) Comment
  CDA6289  Kickxia elatine A. Delfino 1963-6-7 Napa G. W. Elicker property, 2297 1st Avenue, Napa. 0 Comment
  UC1552004  Kickxia elatine Aaron Liston and Sara Meury 1987-6-6 676 -1 Napa Bothe-Napa Valley State Park 150 Comment
  UCD160802  Koeleria macrantha Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8682 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
  UCD37404  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  UCD85793  Koeleria macrantha Beecher Crampton 1965-5-13 7334 Napa Conn Reservoir, 4.5 miles east of Rutherford. Comment
  UCR146395  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa Inner North Coast Ranges, 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128 259 Comment
  JEPS122892  Kopsiopsis strobilacea Adam C. Schneider 2015-3-28 919 Napa Robert Louis Stevenson St. Park. Trail to Mt. Helena. Comment
  CAS-BOT-BC499633  Kopsiopsis strobilacea Elizabeth Wright 1921-5-1 s.n. Napa Calistoga Comment
  CHSC103003  Lactuca serriola Lowell Ahart 2009-10-12 16426 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC340500  Lactuca serriola J. H. Thomas 1960-8-29 8838 Napa About 1 mile north of Calistoga along highway number 53 Comment
  CAS-BOT-BC26054  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
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1199151  Lagophylla minor Joseph P. Tracy 1933-6-2 12481 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain Comment
  CAS-BOT-BC123304  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  CAS-BOT-BC341556  Lagophylla ramosissima Rimo Bacigalupi 1928-6-20 1868 Napa Howell Mt. 10 miles west of St. Helena Comment
  JEPS106650  Lagophylla ramosissima Jake Ruygt 1987-5-19 1974 Napa 2.2 miles east of Atlas Peak Rd. on Monticello Road 237 Comment
  UCD37730  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  CAS-BOT-BC341551  Lagophylla ramosissima H. M. Hall 1915-8-12 10093 Napa Howell Mt., on north road to Woodworth's 518 Comment
  CAS-BOT-BC341560  Lagophylla ramosissima H. M. Hall 1931-5-26 13093 Napa 9.6 miles north of Monticello Comment
  JEPS106651  Lagophylla ramosissima subsp. ramosissima Jake Ruygt 1992-6-24 3053 Napa Tuteur Ranch, end of Green Valley Rd. 274 Comment
  JEPS129073  Lasthenia californica Jake Ruygt 2016-4-2 6172 b Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC338275  Lasthenia californica Gilbert Muth 1967-4-16 633 Napa Snell Valley 182 Comment
  JEPS18248  Lasthenia californica subsp. californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 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
  UC166656  Lasthenia californica subsp. californica J. P. Tracy 1902-5-21 1574 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 457 Comment
  UC172586  Lasthenia californica subsp. californica H. P. Chandler 1907-4-25 7540 Napa Chiles Valley road Comment
  UCD148782  Lasthenia californica subsp. californica Ellen Dean; Diana Hickson 2014-4-29 8090 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UC166225  Lasthenia californica subsp. californica Joseph P. Tracy 1903-5-18 1860 Napa alkaline flats at Calistoga Hot Springs; Northern Coast Ranges, Napa Valley 91 Comment
  UCD159788  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3164 Napa Soda Canyon Road, near crest. 457 Comment
  JEPS126083  Lathyrus cicera Jake Ruygt 1994-4-26 3354 Napa Pope Valley north of Barnett Road. Aetna Springs 7.5' Qua. Comment
  JEPS107268  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1998-5-23 3997 Napa Milton Road, Manley's Resort. 2 Comment
  SJSU10857  Lathyrus jepsonii var. jepsonii W. Savage 1983-6-6 1593 B Napa NE facing bank of S Slough, Cullinan Ranch Comment
  RSA195353  Lathyrus nevadensis subsp. nevadensis Gilbert Muth 1967-3-31 595 Napa Old Howell Mountain road. 457 Comment
  POM128965  Lathyrus sulphureus H. P. Chandler 1907-5-14 7578 Napa White Sulphur Spring, St. Helena. Comment
  UC1279970  Lathyrus tingitanus Peter H. Raven 1957-5-5 10756 Napa Calistoga Comment
  UCD75719  Lathyrus tingitanus Jake Ruygt 1979-5-6 581 Napa Mt. St. Helena. 182 Comment
  UCD168571  Lathyrus vestitus Stephen P. Rae; A. Solomeshch 2007-3-19 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD121193  Lathyrus vestitus var. vestitus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7364 a Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  UC15381  Lathyrus vestitus var. vestitus unknown 1895-4-24 Napa e of St. Helena Comment
  UCD75717  Lathyrus vestitus var. vestitus Jake Ruygt 1986-4-14 1698 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 457 Comment
  CAS-BOT-BC323188  Layia chrysanthemoides John Thomas Howell 1931-4-3 6145 Napa North end of Pope Valley, Napa Range. Comment
  CAS-BOT-BC323191  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  POM53342  Layia chrysanthemoides C. F. Baker 1903-4-19 1098 Napa Calistoga. Comment
  UC1301037  Layia chrysanthemoides Helen K. Sharsmith 1963-4-20 5334 Napa off Kelly Road (4 mi s of Napa); San Francisco Bay Region 45 Comment
  UCD161779  Layia chrysanthemoides Jake Ruygt 1998-4-22 3929 Napa Berryessa-Knoxville Road about 3/4 mile south of Knoxville. 316 Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC534950  Lemna minuta Peter H. Raven 1951-6-26 3073 Napa Wooden Valley grade 304 Comment
  CAS-BOT-BC221495  Lepechinia calycina Milo S. Baker 1926-4-10 s.n. Napa Trail to Crater - 2 mi S. St Helena Inn Comment
  UCD49099  Lepechinia calycina A. Collier; D. Caterson and S. Kenady 2002-5-4 12 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off S side of road 2 meters. Moderate slope, S-facing. 338 Comment
  UCLA64436  Lepechinia calycina Joseph Andorfer Ewan 1934-5-30 8859 Napa Sarco Creek 4 mi above Napa Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 Comment
  UCD115356  Lepidium didymum Mrs. Rice 1921-9-27 s.n. Napa Windsor. Comment
  CDA34671  Lepidium latifolium L. 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. Comment
  CAS-BOT-BC12513  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Napa Valley. Calistoga. Comment
  CAS-BOT-BC12927  Lepidium strictum Peter H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  UCD118592  Leptosiphon androsaceus M. Sidells 1996-4-27 16 Napa next to path on north-facing hill at southwest side of Lake Berryessa, 150 m northeast of Knoxville Road. 250 Comment
  UCD118598  Leptosiphon androsaceus M. Wiesendanger 1927-5-4 682 Napa near Monticello. 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
  UCD167230  Leptosiphon androsaceus Jake Ruygt 1995-4-24 3439 Napa 1.6 miles south of Lake Hennessey on road to Taylor/ Chapallet. 402 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
  UCD70480  Leptosiphon ciliatus P. J. Plummer 1995-5-29 s.n. Napa Napa County Sandy shore of Lake Berryesa. Herbs; flowers magenta with yellow throat. 121 Comment
  POM254176  Leptosiphon ciliatus M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS120322  Leptosiphon latisectus Jake Ruygt 2005-4-17 4781 Napa Upper Swartz Creek near Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  UCD118393  Leptosiphon parviflorus Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD118508  Leptosiphon parviflorus Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCSB5192  Leptosiphon pygmaeus subsp. continentalis Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37 213 Comment
  JEPS106629  Lessingia hololeuca Jake Ruygt 1996-10-19 3798 Napa SE corner of Tubbs lane and Myrtledale Road. 121 Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  UC176466  Lessingia ramulosa J. P. Tracy 1905-7-6 2225 Napa head of Moore's Creek (3-4 mi e of Angwin's); Howell Mountain, Head of Moore's Creek 365 Comment
  UC87931  Lessingia ramulosa D. Cleveland 1882-8-23 Napa Aetna Springs Comment
  JEPS104712  Lessingia ramulosa John L. Morrison 1936-9-19 1947 Napa Knoxville Mines 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
  CAS-BOT-BC451587  Lilaea scilloides Peter H. Raven 1953-5-2 5364 Napa East of Yountville 76 Comment
  UCD116464  Limnanthes alba subsp. alba K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  RSA739654  Limnanthes douglasii subsp. nivea John Dittes 2003-4-5 2003 -12 Napa Inner N Coast Range, Napa Valley, 1.6 air miles N by NW of Calistoga City Hall, 0.9 air mile NW of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Raod and Tubbs Lane. 122 Comment
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  UCD116445  Limnanthes douglasii var. nivea H. Popenoe 1949-4-17 8 Napa 17 miles from Winters, Putah Canyon Road, at entrance to Monticello Valley. Comment
  UCD167292  Limnanthes floccosa subsp. floccosa Jake Ruygt 2005-4-17 4772 Napa Cub Valley' south of Bear Valley. 664 Comment
  CDA10858  Linanthus androsaceus G. F. Hrusa, M. Rejmanek 1993-5-15 10953 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC23364  Linanthus androsaceus W. L. Jepson 1893-4-25 Napa St. Helena Comment
  SEINET5732161 Image available Linanthus androsaceus Peta Lewis 1967-1 17 Napa Across from Monticello Dam, on State Highway 128.; Monticello Dam Comment
  JEPS110978  Linanthus ciliatus Jake Ruygt 1980-5-13 888 Napa Mt. St. John, Campbell Flat 316 Comment
  JEPS58378  Linanthus dichotomus W. L. Jepson 1924-4-6 10313 Napa Conn Valley Napa Range 91 Comment
  POM65868  Linanthus dichotomus subsp. meridianus C. F. Baker 1903-4-30 2627 Napa [Near] St. Helena. Comment
  SEINET12329985  Linanthus dichotomus subsp. meridianus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -299 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  SEINET8729335 Image available Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-1 12540 Napa Eight miles south of Pope Valley Store Comment
  JEPS95210 Image available Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa 1.3 KM W of Hardin Rd.; Wantrup Wildlife Sanctuary 265 Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  SEINET11263942  Linanthus parviflorus Barbara Ertter, Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley.; 0 Comment
  JEPS122715  Linum bienne Jake Ruygt 1987-4-20 1953 Napa South of Conn Dam near summit of ridge. Quad: Yountville. Comment
  SEINET12186115  Linum californicum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -336 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS37746  Lithocarpus densiflorus W. L. Jepson 1903-9-6 Napa St. Helena Comment
  CAS-BOT-BC36063  Lithocarpus densiflorus var. densiflorus Alice Eastwood 1918-5-1 6856 Napa Mt. St. Helena Comment
  CDA14298  Lithocarpus densiflorus var. densiflorus G. F. Hrusa 1989-4-29 6045 A Napa North Coast Biodiversity Arena; N side of Mt. St. Helena on Ida Clayton Rd. Comment
  CAS-BOT-BC430622  Lithophragma affine Peter H. Raven 1953-4-2 5258 Napa hills e. of Imola 121 Comment
  CAS-BOT-BC430623  Lithophragma affine Peter H. Raven 1950-4-15 1717 Napa Silverado Trail outside of Napa 15 Comment
  JEPS47510  Lithophragma affine W. L. Jepson 1910-3-28 4029 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  CAS-BOT-BC435616  Lithophragma heterophyllum L. R. Abrams 1928-5-3 12244 Napa Summit St. Helena Grade Comment
  UCD19722  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1210 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  UCD49254  Lithophragma parviflorum var. parviflorum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 25 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  JEPS33552  Logfia filaginoides W. L. Jepson 1923-4-29 9887 Napa St. Helena Comment
  UCD18102  Logfia filaginoides Ellen Dean; with PLB 102 class 2000-4-29 758 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC342439  Logfia gallica John H. Thomas 1955-5-21 5180 F Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  CAS-BOT-BC342440  Logfia gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville 152 Comment
  JEPS20927  Logfia gallica W. L. Jepson 1923-4-29 9886 Napa St. Helena Comment
  CAS-BOT-BC271065  Lolium temulentum Peter H. Raven 1952-5-29 4086 Napa Napa River 1 mi. N Napa 60 Comment
  UCD66656  Lolium temulentum Collector Unknown 1941-6-1 Napa Mt. St. Helena. Comment
  SEINET10592043  Lolium temulentum A. S. Hitchcock 1902-4-15 Hitchcock 5365 Napa Near Napa. Comment
  UCD149667  Lomatium californicum 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
  UCD48427  Lomatium californicum K. Mogel; B. Pekin, and M. Higley 2002-5-4 9 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 1000 ft along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  POM133002  Lomatium californicum C. F. Baker 1909-4-20 2602 Napa Mt. St Helena. Comment
  UC659026  Lomatium californicum Mildred E. Mathias 1937-5-23 1299 Napa 13 mi. s.e. Napa Co. Line (on Knoxville Rd.) Comment
  UCD20784  Lomatium dasycarpum V. (Shorty) Boucher 2002-3-27 3 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of the intersection of West and East roads, along upper Ridge road (just north of intersection of western Ashley easement road and Ridge Road). On the road through burned chaparral at the north tip of the peninsula. 320 Comment
  JEPS17138  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1896-6-2 14303 Napa Red ridge across mouth of Conn Valley; Napa R. Basin Comment
  JEPS122753  Lomatium hooveri Jake Ruygt 2004-4-3 4579 Napa Ridge between Foley and Knoxville Creeks. Quad: Knoxville. Comment
  UCD170296  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 836 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 452 Comment
  UCD18027  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 573 b 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
  UCD47850  Lomatium hooveri S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 22 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting creek, on east-facing slope of 'Research Hill'. 655 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
  UC1197152  Lomatium marginatum var. purpureum J. P. Tracy 1899-6-13 413 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 365 Comment
  UC517964  Lomatium marginatum var. purpureum John Thomas Howell 1931-4-3 6148 Napa Butts Valley Rd. to Middletown 5 mi. from Aetna Springs Comment
  UC763126  Lomatium marginatum var. purpureum R. F. Hoover 1938-6-8 3537 Napa canyon of s. fork of Butts Creek Comment
  POM298615  Lomatium repostum Lincoln Constance, J. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  UCD148112  Lomatium repostum Jake Ruygt 1979-5-6 584 Napa Mt. St. Helena. 792 Comment
  UCD127802  Lomatium utriculatum Moacyr Maestri 1965-3-19 7 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley. Comment
  UCD164761  Lomatium utriculatum Jake Ruygt 2014-4-7 5917 Napa Sutro Ranch, south end near Foss. 700 Comment
  UC796660  Lomatium utriculatum Ira L. Wiggins 1949-4-30 12081 Napa 2 1/2 mi. above Calistoga (along old toll rd. to Middletown) Comment
  RSA17889  Lomatium vaginatum C. B. Wolf 1928-2-25 1482 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD95687  Lonicera hispidula Ellen Dean; with Clare Loughran 2011-5-20 7032 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  CAS-BOT-BC240797  Lonicera interrupta Alice Eastwood 1915-6-6 4656 Napa Mt. St. Helena Comment
  JEPS12818  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin Comment
  UCD20507  Lonicera interrupta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1080 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  UCR43198  Lotus humistratus L. F. LaPre 1986-5-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary to Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. line 366 Comment
  UCD23430  Lotus humistratus Fumi Takeda 1977-4-16 24 Napa Yellow petals, stems branching from base, tap root slender. Foothill woodland, open meadow adjacent to Hwy 128. 6.4 miles southwest from Monticello Dam. 182 Comment
  JEPS19439  Lotus micranthus Willis L. Jepson 1893-4-24 13787 Napa Howell Mt. grade Napa River Basin Comment
  SEINET3694609 Image available Lotus micranthus W. L. Jepson 1893-4-24 13787 Napa Howell Mountain grade, E of town of St. Helena, Napa River Basin Comment
  JEPS55723  Lotus oblongifolius var. oblongifolius W. L. Jepson 1893-6-26 13789 Napa Howell Mountain Comment
  JEPS107201  Lotus strigosus Jake Ruygt 1996-4-6 3560 Napa East end of Rector Reservoir. 152 Comment
  JEPS107200  Lotus wrangelianus Jake Ruygt 1986-3-22 1663 Napa Vaca Mountains east of Markley Cove 231 Comment
  UCD167267  Ludwigia palustris Jake Ruygt 1992-6-2 3015 Napa Leoma Lakes, Wild Horse Valley Ranch. 402 Comment
  RSA735365  Lupinus Keith E. Hoffmaster 1946-3-23 1094 Napa Napa range, along Napa-Monticello road Comment
  JEPS85667  Lupinus John Thomas Howell 1926-3-20 1701 Napa s side Mt. St. Helena; , s side 457 Comment
  CDA950  Lupinus albifrons D. G. Kelch 2002-4-1 2 .009 Napa Mt. Veeder Rd. Comment
  HSC14767  Lupinus albifrons Greg Bos 1963-3-3 22 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  UCD105922  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  POM195576  Lupinus albifrons var. albifrons H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  CAS-BOT-BC196282  Lupinus albifrons var. eminens John Thomas Howell 1931-4-3 6125 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  CAS-BOT-BC196283  Lupinus albifrons var. eminens Eliz. Parsons Hawver 1915-6-3 s.n. Napa Skaggs Springs Comment
  JEPS64975  Lupinus bicolor W. L. Jepson 1915-4-23 6265 Napa Chiles Creek hills Conn Valley, Chiles Creek hills Comment
  UCD148792  Lupinus bicolor Ellen Dean; Diana Hickson 2014-4-29 8100 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD48964  Lupinus bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 1 Napa Quail Ridge UC Reserve, northern top of ridge, alongside lower road leading to power lines, just N of intersection with East and West roads. 335 Comment
  POM10640  Lupinus bicolor subsp. tridentatus C. F. Baker 1903-4-19 1982 Napa Calistoga. Comment
  UC15866  Lupinus formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  JEPS107227  Lupinus formosus var. formosus Jake Ruygt 1976-6-8 113 Napa 2.4 miles east of HWY 29 on Jameson Canyon Road 91 Comment
  JEPS65233  Lupinus formosus var. formosus W. L. Jepson 1897-5-2 71 t Napa St. Helena Comment
  UC15861  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  HSC2123  Lupinus latifolius C. B. Wolf 1928-5-3 1819 Napa Hawkins Mt. Inn Camp, Mt. St. Helena Grade Comment
  JEPS107225  Lupinus latifolius var. latifolius Jake Ruygt 1991-5-11 2653 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS107218  Lupinus microcarpus var. densiflorus Jake Ruygt 1980-4-22 838 Napa 1.3 miles east of Pope Valley Middle Rd. on Pope Canyon Rd. 187 Comment
  JEPS108046  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Road. Comment
  UCD108720  Lupinus microcarpus var. densiflorus Ethel H. Hyde 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  UCD160781  Lupinus microcarpus var. densiflorus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8661 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 552 Comment
  UCD47992  Lupinus microcarpus var. microcarpus Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 21 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS65392  Lupinus nanus W. L. Jepson 1897-5-2 60 t Napa St. Helena Comment
  UCD168545  Lupinus nanus 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
  SBBG67013  Lupinus nanus Mrs. H. P. Bracelin 1932-4-17 234 Napa 4 mi S of Yountville Comment
  UC725969  Lupinus nanus A. A. Heller 1929-3-16 14821 Napa grade near foot Mt. St. Helena; foot of Mt. St. Helena Comment
  UCD35293  Lupinus nanus Beecher Crampton 1955-4-7 2431 Napa 7.8 miles north of Monticello. Comment
  JEPS65412  Lupinus pachylobus Edw. L. Greene 1892-1 Napa Mt. St. Helena Comment
  POM10633  Lupinus polycarpus C. F. Baker 1903-4-19 1988 Napa Calistoga. Comment
  JEPS65423  Lupinus polyphyllus Willis L. Jepson 1893-6-26 24 t Napa Howell Mt.; Napa River Basin, Howell Mt., Angwin's Meadows 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
  SEINET11790127  Luzula comosa C. W. Sharsmith 1935-1 s.n. Napa no further locality Comment
  CAS-BOT-BC441242  Luzula macrantha Alice Eastwood 1922-5-4 11260 Napa Calistoga Comment
  CAS-BOT-BC441243  Luzula macrantha Alice Eastwood 1922-3-25 11094 Napa Calistoga Comment
  JEPS45950  Lythrum hyssopifolia Willis L. Jepson 1893-6-26 14093 Napa below New Eden (grade to Howell Mountain, Napa River Basin); Napa River Basin Comment
  JEPS45960  Lythrum hyssopifolia Willis L. Jepson 1893-9-22 14084 Napa near Yountville (Napa River Basin); Napa River Basin Comment
  UC127158  Lythrum hyssopifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7100 Napa Howell Mountain, Alta Loma Ranch Alta Loma Ranch; Howell Mountain, Alta Loma Ranch 487 Comment
  JEPS106545  Madia elegans Jake Ruygt 1979-7-28 782 Napa corner of Adams St. and HWY 29,Yountvill 36 Comment
  CAS-BOT-BC343826  Madia elegans Peter H. Raven 1951-6-10 s.n. Napa Rt. #29 north of Calistoga 152 Comment
  JEPS7502  Madia elegans W. L. Jepson 1939-9-12 19485 Napa w St. Helena; Spring Mountain Comment
  CAS-BOT-BC343201  Madia gracilis David D. Keck 1933-5-29 2343 Napa Pope Creek Bridge south of Walters Springs Comment
  CAS-BOT-BC343206  Madia gracilis Betty H. Johnson 1958-6-8 601 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS106550  Madia gracilis Jake Ruygt 1984-5-5 1538 Napa Bell Canyon, above reservoir 426 Comment
  JEPS106551  Madia gracilis Jake Ruygt 1983-6-1 1485 Napa HWY 12 at Sonoma Co.line 94 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
  CAS-BOT-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  SEINET10672316 Image available Madia hallii Harvey M. Hall 1931-5-27 Hall 13094 Napa Near Knoxville, northeastern Napa County. On south-facing, stony, serpentine ridge. Comment
  RSA10680  Madia madioides C. B. Wolf 1928-5-3 1807 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CDA11134  Madia nutans G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11824 Napa North Coast Biodiversity Arena; Mt. George. Comment
  POM263489  Madia nutans J. C. Roos 1939-4-16 258 Napa Angwin. Comment
  POM298345  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  POM53357  Madia nutans W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin, Wooden Valley Grade Comment
  SD27912  Madia nutans Carl B. Wolf 1928-5-3 1782 Napa 5.0 miles north of Calistoga; Mt. St. Helena Grade. Comment
  CAS-BOT-BC345045  Madia sativa Peter H. Raven 1952-5-26 4042 Napa St. Helena to Howell Mt. 304 Comment
  CAS-BOT-BC345051  Madia sativa David D. Keck 1933-11-10 2717 Napa Calistoga Comment
  CAS-BOT-BC345056  Madia sativa John Thomas Howell 1932-9-17 10759 Napa 3 miles west of Napa Comment
  UCD83743  Madia sativa Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5992 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 176 Comment
  CAS-BOT-BC539355  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Hwy 29 near Paoli Loop Road, American Canyon 19 Comment
  JEPS113976  Maianthemum stellatum Jake Ruygt 1990-4-4 2458 Napa Skyline Park on Lake Marie trail 1/4 from lake. Mount George 7.5' Quad. Comment
  UCD21543  Malacothrix floccifera B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 9 Napa California, Napa County, McLaughlin Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, N side of road. 487 Comment
  RSA80536  Marah fabacea Roxana S. Ferris 1951-3-26 12419 Napa Oakville-Glen Ellen Road, about 2 miles from Oakville. Comment
  UCD18051  Marah fabacea Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 604 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCD73411  Marah fabacea 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
  RSA10654  Marah oregana C. B. Wolf 1928-5-3 1835 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCD18053  Marah watsonii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 606 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCR242400  Marah watsonii Ellen Dean, Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 606 Napa North Coast Range, McLaughlin Reserve, c. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along the old road that climbs up ridge on east side 537 Comment
  JEPS120398  Marah watsonii Jake Ruygt 1982-3-16 1128 Napa Capell Valley north of Monticello Road Comment
  UCD13126  Medicago arabica Kathleen Worden 1981-4-28 3 Napa Napa CO. on highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  POM67047  Medicago polymorpha var. brevispina Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC269418  Melica californica John Thomas Howell 1931-4-3 6123 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS122953  Melica californica Jake Ruygt 1995-4-17 3429 Napa End of Niebaum Road, Bear Canyon. Quad: Rutherford. Comment
  SACT001488  Melica californica John Willoughby 1977-4-20 Napa Below and just to the south of Mount Vaca. Rocky areas in chaparral. 609.6 Comment
  UC767182  Melica californica R. F. Hoover 1941-5-10 499 Napa between St. Helena and Calistoga Comment
  SEINET10860811  Melica californica William S. Boyle 1942-4-25 Boyle 1071 Napa 10 miles north of Napa on Silvarado Trail Road. Common on rocky, exposed, southwest-facing slope. Associated species: Bromus mollis, Rhus diversiloba. Comment
  SEINET196999 Image available Melica californica var. californica W. S. Boyle 1942-4-26 1071 Napa 10 mi N of Napa on Silvarado Trail Rd Comment
  CAS-BOT-BC282168  Melica geyeri Peter H. Raven 1952-8-26 5154 Napa Lokoya 487 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
  JEPS122952  Melica geyeri Jake Ruygt 1986-5-10 1764 Napa Devil's Canyon. Quad: Mt. Sonoma. Comment
  UCR30546  Melica geyeri John C. Roos 1939-5-12 317 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  SEINET10599399  Melica geyeri LeRoy R. Abrams 1928-5-3 Abrams 12254 Napa Summit St. Helena Grade, Comment
  JEPS122915  Melica harfordii Jake Ruygt 1999-5-23 4172 Napa Upper Ritchey Creel Trail; Bothe State Park. Quad: Calistoga. Comment
  CAS-BOT-BC264218  Melica torreyana D. H. Esplin; Bolander 1969-4-30 19 Napa Pope Valley near Lake Berryessa 121 Comment
  CAS-BOT-BC264222  Melica torreyana David D. Keck 1931-4-2 1034 Napa Wooden Valley Grade, east side of Napa Range, 8 miles from Napa Comment
  CAS-BOT-BC264223  Melica torreyana John Thomas Howell 1931-4-2 6079 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  JEPS76084  Melica torreyana W. L. Jepson 1938-5-22 18813 Napa Pope Valley; Limekiln Creek Canyon Comment
  SACT001542  Melica torreyana John Willoughby 1977-4-20 Napa blue oak woodland/chaparral ecotone; in shade of Quercus wislizenii 365.76 Comment
  UC38874  Melica torreyana Willis L. Jepson 1894-5-1 Napa opposite mouth of Conn Valley (Red Ridge); Napa River Basin, Red Ridge Comment
  UC421629  Melica torreyana Alice Eastwood 1922-5-4 11247 Napa Calistoga 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
  UCD168573  Melica torreyana Stephen P. Rae; A. Solomeshch 2007-4-10 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD81835  Melica torreyana Ellen Dean 2009-4-24 5465 Napa Property at 600 Petrified Forest Road. 170 Comment
  JEPS110791  Melissa officinalis Jake Ruygt 1992-7-10 3080 Napa Yountville Ecological Reserve, Yountville Cross Rd., Napa River 26 Comment
  UC2061507  Melissa officinalis Dean G. Kelch 2016-7-9 16 .153 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  JEPS112577  Mentha arvensis Jake Ruygt 1982-6-29 1350 Napa .3 miles south of Old Bale Mill on west side of HWY 29 97 Comment
  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
  JEPS112575  Mentha pulegium Jake Ruygt 1969-12-31 420 Napa Napa River north of Trancas St. 4 Comment
  JEPS115773  Mentha pulegium Lowell Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS42861  Mentzelia laevicaulis var. laevicaulis John Thomas Howell 1927-8-24 3048 Napa sw Walter's Springs (near Pope Valley Creek); Napa Range Comment
  CAS-BOT-BC428856  Micranthes californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD102808  Micranthes californica D. H. Hartmann 1942-3-7 s.n. Napa in a canyon of Green Valley. Comment
  SFV4057  Micropus californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek, about 0.5 miles west of Devilhead Road and about 3 miles south southwest of Knoxville. Comment
  CAS-BOT-BC348548  Micropus californicus var. californicus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD134489  Micropus californicus var. californicus David Lawfer 1952-4-20 149 Napa Napa. Comment
  UCD148820  Micropus californicus var. californicus Ellen Dean; Diana Hickson 2014-4-29 8126 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  CAS-BOT-BC348966  Microseris douglasii subsp. douglasii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS106893  Microseris douglasii subsp. douglasii Jake Ruygt 1997-4-28 3837 Napa East of Highway 29, south of Kelley Road; American Canyon. Cuttings Wharf 7.5' Quad. 21 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
  JEPS106892  Microseris douglasii subsp. tenella Jake Ruygt 1981-4-18 976 Napa Harris Canyon 170 Comment
  UCD118906  Microsteris gracilis D. C. Finfrock 1950-4-2 13 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  POM182735  Microsteris gracilis subsp. gracilis D. D. Keck 1931-4-2 1050 Napa 4 miles S of Monticello, eastern Napa County. Comment
  JEPS110750  Mimulus angustatus Jake Ruygt 1979-5-19 607 Napa Giles Meade Ranch, Atlas Peak Rd. 487 Comment
  JEPS11535  Mimulus arvensis W. L. Jepson 1915-4-23 6238 a Napa hills e St. Helena 182 Comment
  UCD13200  Mimulus aurantiacus Charles Martin 1986-4-20 1 Napa 3 mi W of Monticello Dam along hwy 128. 304 Comment
  UCD14919  Mimulus aurantiacus Robert Giorgis 1977-4-17 11 Napa California, Napa Co.; 20 meters northwest of Highway 128, 1 mi. west of Monticello Dam; Comment
  UCD159948  Mimulus aurantiacus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD49287  Mimulus aurantiacus Kook Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; along West Road, N of jct with Decker Canyon Rd.; along roadside. 219 Comment
  JEPS10220  Mimulus aurantiacus var. aurantiacus Willis L. Jepson 1893-4-28 78 m Napa near Mt. George (Wooden Valley grade); Napa River Basin, Napa Mts. Comment
  JEPS41084  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9096 Napa about 3 air mi s Knoxville (in canyon just sw of waterfall of Zim Zim Creek, leading to headwaters of Nevada Creek) 396 Comment
  JEPS10249  Mimulus cardinalis Alice King July 1919 Napa Van Ness ranch Mt. St. Helena Comment
  UCD84984  Mimulus congdonii Dena Grossenbacher 2009-3-3 948 Napa East side of Bell Creek about 75 meters up slope from creek. Wildlake Preserve, Napa County Land Trust property. 461 Comment
  UCD18028  Mimulus douglasii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 568 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
  UCR24432  Mimulus douglasii John C. Roos 1939-3-18 303 Napa North Coast Range, Snell Valley, [near] Pacific Union College, Angwin 183 Comment
  UC26858  Mimulus guttatus Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  SEINET10813590 Image available Mimulus guttatus Charles F. Baker 1903-4-19 Baker 1980 Napa Calistoga. Colonies occasional in muddy meadows near sulphur springs. Comment
  SEINET7041067  Mimulus guttatus Christopher T. Ivey 2002-4-23 358 Napa West side of Chiles-Pope Valley Road, 4.2 miles south of Pope Canyon Road. Comment
  SEINET8733203 Image available Mimulus guttatus Laura Zeller 1965-1 28 Napa Ca. 2.5 miles NE of Pope Valley Road and Pope Canyon Road junction on Pope Valley Road. Elevation ca. 700 feet. 213 Comment
  JEPS110588  Mimulus kelloggii Jake Ruygt 1998-4-27 3941 Napa NE corner of the county, on Blue Ridge. 807 Comment
  CDA41716  Mimulus kelloggii K. Esau 1933-4-14 s.n. Napa Calistoga, near Petrified Forest. 0 Comment
  JEPS128904  Mimulus layneae Jake Ruygt 1990-5-5 2528 Napa South of Leoma Lakes; Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCD96138  Mimulus layneae Dena Grossenbacher; Brian Green 2008-5-7 821 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  JEPS11437  Mimulus microphyllus W. L. Jepson 1921-5-6 9173 Napa Yountville 30 Comment
  JEPS11442  Mimulus microphyllus Willis L. Jepson 1893-5-8 10 m Napa La Jota Plateau Napa River Basin, Howell Mountain Comment
  UC26986  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  JEPS11352  Mimulus nasutus Willis L. Jepson 1893-5-1 6 m Napa w Calistoga; Napa River Basin Comment
  UC725781  Mimulus nasutus A. A. Heller 1940-4-22 15545 Napa Knight's Valley Comment
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Jun 25 2013
  UCD122657  Mimulus nasutus Alan P. Godlewski 1974-5-3 8 Napa West of Lake Berryessa. Comment
  UCD160720  Mimulus nudatus Ellen Dean 2015-5-23 8772 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
  UCD163404  Mimulus nudatus D. Slakey; CNPS Volunteers 2015-4-25 118 Napa near Knoxville. Adjacent to parking lot for campground at west end of Hunting Creek Rd. 335 Comment
  UCD96581  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-29 851 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  UC1196779  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, on La Jota Plateau); Howell Mountain, La Jota Plateau 518 Comment
  JEPS110593  Mimulus rattanii Jake Ruygt 1992-4-29 2909 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  CAS-BOT-BC388753  Minuartia douglasii Carl B. Wolf 1928-5-3 1791 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC388759  Minuartia douglasii David D. Keck 1933-5-29 2346 Napa Pope Creek bridge south of Walters Springs 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
  JEPS22490  Minuartia douglasii Willis L. Jepson 1893-4-25 Napa tril to Canx's<?> Cabin Napa River Basin 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
  UCD125050  Monardella douglasii Jane Valerius 1998-6-22 s.n. Napa ca. 4 air miles northeast of Vallejo and ca. 1.5 miles west of Hwy 80, along banks and at top of unnamed south-trending tributary to American Canyon Creek. 60 Comment
  CAS-BOT-BC220613  Monardella villosa H. E. McMinn 1923-5-26 976 Napa Along Eticuera Creek tributary to Putah Creek Comment
  CAS-BOT-BC220619  Monardella villosa John Thomas Howell 1929-5-30 4270 Napa On Pope Valley Creek near Samuels [Samuel] Springs, Napa Range Comment
  JEPS110829  Monardella villosa subsp. villosa Jake Ruygt 1979-6-9 680 Napa 11.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 234 Comment
  POM180780  Monardella villosa subsp. villosa J. T. Howell 1930-7-13 5349 Napa On the edge of the Crater Country Comment
  POM126651  Monardella viridis Katherine Brandegee s.n. Napa Angwin s Comment
  UCD160745  Monardella viridis Ellen Dean 2015-5-23 8797 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
  SEINET10582243  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 372 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  JEPS106888  Monolopia major Jake Ruygt 1993-5-1 3237 Napa SW of end of Cedar Creek Road. 426 Comment
  RSA0054950  Montia Keith E. Hoffmaster 1946-3-23 1218 Napa Along Napa-Monticello road. Comment
  JEPS77947  Montia fontana Edward Lee 1936-3-15 1814 Napa 10.7 mi out of Rutherford (Rutherford-Pope Valley Road) Comment
  JEPS5865  Montia fontana W. L. Jepson 1940-2-29 19499 Napa 4 mi se of Yountville (Napa Valley, Vicinity of San Francisco Bay); Napa Valley Comment
  UC1151681  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa hills above Capell Creek (n end of valley); Capell Valley Comment
  UCD37368  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCD86407  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  UC187243  Nassella cernua Joseph P. Tracy 1904-5-23 2096 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  UC60162  Nassella cernua W. L. Jepson 1896-6-2 Napa near St. Helena; Stone Bridge Comment
  UC1133161  Nassella lepida J. B. Spring 1932-6-7 71 Napa head of creek Napa Quadrangle, Carneros Creek 365 Comment
  UCD87897  Nassella lepida Jack Maze 1964-3-8 49 Napa 3 miles southwest of Monticello Dam, State Highway 128. Comment
  CAS-BOT-BC260179  Nassella pulchra L. R. Abrams 1928-5-3 12232 Napa St. Helena Grade Comment
  UC187237  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD48420  Nassella pulchra M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 14 Napa Quail Ridge UC Reserve, northern tip of peninsula just north of power lines in open grassy saddle. 274 Comment
  HSC58998  Navarretia cotulifolia Tim Excell 1975-5-21 119 Napa Near Pope Creek, close to the town of Pope Valley 183 Comment
  UC518932  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa s of Walters Springs (Pope Creek bridge); Pope Creek Comment
  JEPS112539  Navarretia divaricata subsp. vividior Jake Ruygt 1982-5-26 1296 Napa S of Robert Louis Stevenson Park toward Palisades 792 Comment
  UCD167175  Navarretia divaricata subsp. vividior Jake Ruygt 2006-7-3 5066 Napa Mead Ranch on 'Old Wagon' trail. 472 Comment
  UC23627  Navarretia heterodoxa Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  POM258871  Navarretia heterodoxa J. T. Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  UCD167179  Navarretia intertexta subsp. intertexta Jake Ruygt 1982-7-5 1360 Napa 0.3 miles south of Old Bale Mill on east side of Highway 29. 88 Comment
  UC1195665  Navarretia jepsonii A. R. Kruckeberg 1947-6-15 1492 Napa 0.7 mi w Knoxville (on Knoxville-Lower Lake road) Comment
  UCD167185  Navarretia jepsonii Jake Ruygt 1996-5-31 3723 Napa South of James Circle road and Butts Canyon Road, Pope Valley. 204 Comment
  UC23795  Navarretia pubescens Edw. L. Greene 1894-6-17 Napa Calistoga 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
  UCD170457  Navarretia pubescens Daniel Potter; Ninh Khuu 2016-6-8 886 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  CAS-BOT-BC232666  Navarretia pubescens Peter H. Raven 1952-5-26 4064 Napa Near Samuel's Springs 121 Comment
  RSA92795  Navarretia pubescens P. H. Raven 1951-3-26 2879 Napa Butts Canyon . 305 Comment
  UC1221750  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Martley Canyon Vaca Mountains (along State Hwy 128) Comment
  UCD167195  Navarretia pubescens Jake Ruygt 2010-6-5 5591 Napa Snell Valley, Missimer Preserve, 33 acre addition. 176 Comment
  JEPS83636  Navarretia rosulata R. Raiche 1987-5-23 70198 Napa W of Lake Berryessa, Cedar Roughs, headwaters of Hardin Creek, SW of Gilliam Spring, top of ridge, 640 Comment
  JEPS123265  Navarretia rosulata David Gowen with Jake Ruygt 2011-6-11 1157 Napa Cedar Roughs. Comment
  JEPS123301  Navarretia rosulata David Gowen with Joe Callizo, Dick O'Donnell 2009-7-6 1080 Napa Cedar Roughs. Comment
  JEPS110947  Navarretia squarrosa Jake Ruygt 1986-7-12 1869 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  UCD167199  Navarretia squarrosa Jake Ruygt 1982-7-18 1375 Napa Deer Park Road at Four Corners. 414 Comment
  JEPS110945  Navarretia tagetina Jake Ruygt 1986-5-24 1784 Napa Butts Canyon Rd. at Ink Grade 237 Comment
  UCD167202  Navarretia tagetina Jake Ruygt 2002-6-10 4434 Napa End of Soda Canyon Road, north end of Foss Valley. 445 Comment
  JEPS41066  Nemacladus montanus Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9104 Napa about 1 mi n headwaters of Zim Zim Creek (along Devilhead Road) 493 Comment
  CAS-BOT-BC219371  Nemophila Saichi Kawahara 1968-4-20 342 Napa Chiles-Pope Valley Road, 2 miles south of Pope Valley 259 Comment
  JEPS85032  Nemophila heterophylla Larry Heckard and Mary Ashton 1969-5-3 2206 Napa ca 7 mi ne Napa (off the Atlas Peak Rd., Mead Ranch); ne of Napa, Mead Ranch, off Atlas Peak Rd. 457 Comment
  UCD13125  Nemophila heterophylla Kathleen Worden 1981-4-28 2 Napa Napa CO. On highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. 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
  UC1031219  Nemophila heterophylla Rolf Y. Berg 1954-5-23 Napa Highway 37 two mi n Wooden Valley Junction; n of Wooden Valley junction Comment
  UC619287  Nemophila menziesii Mrs. L. A. R. Peckinpah 1898-3-11 Napa e Yountville (foothills Napa Range); foothills Napa Range e of Yountville Comment
  UCD23396  Nemophila menziesii Robert Giorgis 1977-4-16 6 Napa Small herbaceous plant, flowers blue and white. 300 meters south of Highway 128, 6.4 miles SW of Monticello Dam. Low on NE facing slope of canyon in riparian and oak woodland ecocline. Comment
  UCD23404  Nemophila menziesii Eva Kurth 1977-4-24 199 Napa Proximal part of petals white, distal part sky blue, with longitudinal rows of small purple spots. In full sun in meadow. Berryessa Knoxville Rd. 2.3 miles SE of Knoxville Mine. 304 Comment
  CDA11624  Nemophila menziesii var. atomaria G. F. Hrusa, S. Larson 1995-4-1 12063 Napa North Coast Biodiversity Arena; Along Chiles Valley/Pope Valley Rd. approx 2 m. S of Pope Canyon Rd. intersection. Comment
  CDA12056  Nemophila menziesii var. menziesii G. F. Hrusa, J. Messina 1989-3-3 5887 Napa North Coast Biodiversity Arena; Along Hwy 128 approx. 2 miles W of Monticello Dam (Lake Berryessa). Comment
  JEPS110847  Nemophila menziesii var. menziesii Jake Ruygt 1982-2-16 1101 Napa .3 mile north of Chimney Golf Course on Silverado Trail 20 Comment
  UCD118354  Nemophila menziesii var. menziesii Reed Crane; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, on Recreation flat. 387 Comment
  RSA195363  Nemophila menziesii var. menziesii Gilbert Muth 1967-3-5 534 Napa Snell Valley. 213 Comment
  RSA633299  Nemophila menziesii var. menziesii Michael A. Vincent, Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80 Comment
  JEPS2664 Image available Nemophila venosa Mrs. L. A. R. Peckinpah 1898-3-11 Napa near (e of) Yountville; foothills of Napa Range; Napa Range, near Yountville Comment
  JEPS122690  Nerium oleander Jake Ruygt 2004-9-4 4663 Napa Beryessa-Knoxville Road at Zim-Zim Creek. Quad: Knoxville. Comment
  JEPS15795  Oenanthe sarmentosa Willis L. Jepson 1893-4-24 14228 Napa hills e. St. Helena (to Conn Valley Rd., Howell Mt. Foothills); Napa R. Basin, Howell Mt. Foothills Comment
  JEPS43961  Oenothera glazioviana Willis L. Jepson 1894-7-19 14497 Napa above Calistoga; Upper Napa Valley Comment
  UCD167257  Orobanche fasciculata Jake Ruygt 1994-4-26 3358 Napa Ridge in Pope Valley (Juliana Vineyard); north of Barnett Road. 256 Comment
  JEPS110567  Orobanche valida subsp. howellii Jake Ruygt 1986-6-14 1823 Napa Craters, canyon at head of Table Rock 707 Comment
  CAS-BOT-BC238389  Orthocarpus C. F. B. 1903-5-8 2965 Napa Knoxville Comment
  RSA10689  Orthocarpus attenuatus Carl B. Wolf 1928-5-3 1798 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM15659  Orthocarpus attenuatus C. F. Baker 1903-4-19 1993 Napa Calistoga. Comment
  RSA31988  Orthocarpus densiflorus A. A. Heller 1941-5-17 16136 Napa 2 miles north of Windsor on US Highway 101. Comment
  POM161092  Orthocarpus faucibarbatus R. C. Bacigalupi 1926-3-27 1253 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  POM182685  Orthocarpus pusillus D. D. Keck 1931-4-3 1072 Napa Pope Valley P.O. Comment
  UC1177078  Oxalis articulata subsp. rubra Peter H. Raven 1951-5-6 2832 Napa St. Helena 91 Comment
  JEPS122735  Oxalis pilosa Jake Ruygt 1994-5-25 3391 Napa Westwood Hills Park, Browns Valley Road. Quad: Napa. Comment
  CDA4676  Oxalis rubra W. O. McCartney 1966-5-12 49 Napa Monticello Road, 3 miles north of Vicky Road, Napa. 0 Comment
  JEPS23644  Packera clevelandii W. L. Jepson 1916-8-6 6838 Napa Howell Mt. Comment
  HSC38131  Packera eurycephala Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi. E of Lake Co. line Comment
  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
  JEPS23636  Packera greenei R. H. Platt 1915-5-1 Napa Capell Canyon Napa Mts. Comment
  SDSU491  Packera greenei D. F. Howe 1966-6-3 4265 Napa 14.0 miles south of Middletown. 305 Comment
  JEPS122965  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-5 1748 Napa NW slope of Mt. George. Quad: Mt. George. Comment
  JEPS122967  Panicum acuminatum var. acuminatum Jake Ruygt 1998-6-20 4041 b Napa Near Onion Flat, Palisades trail from RLSSP. Quad: Detert Reservoir. Comment
  UCD89506  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa ca. 3 miles north Moskowite Corners, State Hwy. 128. Comment
  UC205215  Parvisedum pumilum H. P. Chandler 1907-5-5 7557 Napa roadside near Yountville Comment
  UC571854  Parvisedum pumilum H. L. Mason 1935-5-5 3494 Napa 3 mi s of Napa City Comment
  CHSC20924  Pedicularis densiflora Virginia A. Holsinger 1964-3-24 34 Napa West of Napa. 213 Comment
  JEPS110745  Pedicularis densiflora Jake Ruygt 1990-2-24 2437 Napa Mt. George 246 Comment
  UCD18029  Pedicularis densiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 574 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
  UCD123316  Pedicularis densiflora Chas. Heiser 1947-3-29 1889 Napa about 7 miles east of Napa. Comment
  UC57304  Pellaea andromedifolia J. P. Tracy 1902-5-22 1624 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 365 Comment
  CAS-BOT-BC71385  Pellaea mucronata Peter H. Raven 1950-4-15 1739 Napa Wooden Valley Grade above Napa 609 Comment
  UCD159942  Pellaea mucronata Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. At base of Adenostoma resprout. Above Q48. 243 Comment
  CAS-BOT-BC71381  Pellaea mucronata Evelina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  JEPS79512  Pellaea mucronata var. mucronata Edward Lee with Annetta Carter 1935-12-1 1671 Napa road from Napa to Wooden valley (Sarco Creek); Howell Mts Comment
  UCD89424  Pennisetum clandestinum Robert Beechinor 1964-10-11 52 Napa Vaca Mountains. Martley Canyon Resort area, Lake Berryessa. Comment
  NY601784  Penstemon heterophyllus var. purdyi H. T. Edwards 09 1875 s.n. Napa St. Helena Comment
  UC146236  Penstemon heterophyllus var. purdyi J. P. Tracy 1902-5-16 1486 Napa 3-4 mi e Angwin's (head of Moore's Creek); , Howell Mountain 457 Comment
  CAS-BOT-BC245718  Penstemon newberryi var. sonomensis Carl B. Wolf 1928-5-4 1849 Napa Mt. St. Helena Comment
  UC887189  Penstemon newberryi var. sonomensis Milo S. Baker 1940-5-1 9576 Napa ca 2 1/2 mi s St. Helena Inn (and 800 ft higher); North Bay Counties, s of St. Helena Inn Comment
  JEPS120382  Pentachaeta alsinoides Jake Ruygt 1983-4-26 1445 Napa Hwy 12 at Sonoma Co. line Comment
  UC35617  Pentachaeta exilis Willis L. Jepson 1893-5-8 Napa plateau near La Jota Falls; Napa River Basin Comment
  UCD121186  Pentagramma triangularis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7362 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  CAS-BOT-BC71673  Pentagramma triangularis subsp. triangularis John H. Thomas 1955-5-21 5149 A Napa Along State Highway No. 128, about 4.5 miles south of Menticello 167 Comment
  UC474216  Pentagramma triangularis subsp. triangularis H. F. Copeland 1925-3-13 Napa Putah Creek Comment
  UCD161320  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1979-7-21 756 Napa 0.9 miles east of Cold Springs Road on Los Posados Road. (Coordinates estimated by label maker at UC Davis). 521 Comment
  UCD170281  Perideridia kelloggii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 821 Napa Knoxville Wildlife Area, north of Nevada Creek. 535 Comment
  UCD19310  Perideridia kelloggii M. A. Bibbo; E. Dean 2001-7-6 2 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  UC1312888  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3783 Napa 2.6 mi nw Lake Hennessey; Conn Valley 121 Comment
  JEPS120383  Petasites frigidus var. palmatus Jake Ruygt 1988-3-12 2122 Napa Bothe State Park Comment
  UCD73446  Petrorhagia prolifera Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS110851  Phacelia distans Jake Ruygt 1994-3-15 3317 Napa Chiles Canyon Road about 1 mile from Chiles Valley 365 Comment
  JEPS85026  Phacelia distans Larry Heckard and Mary Ashton 1969-5-3 2213 Napa ca 7 mi ne Napa (off the Atlas Peak Rd; above and w of meadow); Mead Ranch 510 Comment
  UC1301152  Phacelia distans Helen K. Sharsmith 1963-4-20 5337 Napa s slopes of mt. San Francisco Bay Region, Mt. Atlas 609 Comment
  UC1228238  Phacelia egena J. R. Sweeney, H. L. Mason, R. Bacigalupi 1953-6-8 Napa top of grade of rd over e flank of mt Mt. St. Helena (from Calistoga to Middletown) 670 Comment
  CDA40411  Phacelia imbricata J. T. Howell 1931-4-3 6126 Napa Pope Creek Canyon, 8 miles from Monticello. 0 Comment
  UC735076  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3050 Napa junction of Calistoga rd and Petrified Forest road (4 mi e of Petrified Forest) 609 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
  UCSC000588  Phacelia imbricata subsp. imbricata Charisse Bickford 1979-5-14 s.n. Napa about 5 miles west of Winters Winters - Putah Canyon 579 Comment
  UC23584  Phlox gracilis Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC134984  Phoradendron bolleanum Peter H. Raven 1951-10-28 3959 Napa Knoxville 457 Comment
  UCD48241  Phoradendron bolleanum A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 13 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD48243  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC McLaughlin Nature Reserve. 650 Comment
  CAS-BOT-BC171141  Phoradendron serotinum subsp. tomentosum John Thomas Howell 1926-10-3 2202 Napa Mt. St. Helena Comment
  UCD149584  Phyla nodiflora Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  RSA451852  Physocarpus capitatus T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  UCD38721  Pickeringia montana Beecher Crampton 1957-6-4 4100 Napa North end of Capell Valley. Comment
  UCD73434  Pickeringia montana 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
Read comments
Aug 3 2010
  UC17044  Pickeringia montana var. montana W. H. Brewer July 1862 1313 Napa hills near Rockville Comment
  CDA7597  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  CAS-BOT-BC73373  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa Along forest road about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  SEINET267027  Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  UCD133139  Pinus attenuata Beecher Crampton 1962-5-16 6431 Napa 0.5 mile W of Aetna Springs. Comment
  JEPS120364  Pinus ponderosa Jake Ruygt 1979-4-23 551 Napa 0.1 mile NW of Howell Mountain Road, on Hill Road. Saint Helena 7.5' Quad. Comment
  UCD161508  Pinus radiata Marcel Rejmanek 2015-10-13 s.n. Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, adjacent to Research Station. 411 Comment
  UC1600395  Pinus sabiniana W. L. Jepson 1896-1 Napa St. Helena Comment
  UC400310  Pinus sabiniana W. L. Jepson Dec 1895 Napa Conn Valley St. Helena Comment
  JEPS120444  Piperia transversa Jake Ruygt 1995-6-17 3503 Napa Southeast corner of Butts Canyon Road at Snell Valley Rd. Comment
  CAS-BOT-BC254387  Piptatherum miliaceum Catherine Best 1991-5-25 1379 Napa On BLM land in NE part of county 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
  JEPS60936  Plagiobothrys bracteatus Willis L. Jepson 1893-6-26 21171 Napa Howell Mt. Napa River Basin Comment
  JEPS60944  Plagiobothrys bracteatus Willis L. Jepson 1893-4-24 21164 Napa hills e of St. Helena to Conn Valley; Napa River Basin Comment
  POM126349  Plagiobothrys bracteatus Joseph P. Tracy 1903-5-15 1852 Napa 2 miles below Calistoga 91 Comment
  RSA170255  Plagiobothrys bracteatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore s Creek, 3 miles east of Angwin s 518 Comment
  UCD74375  Plagiobothrys bracteatus Jake Ruygt 2002-4-17 4387 Napa Sulphur Springs Rd., west of St. Helena. 76 Comment
  SD58506  Plagiobothrys cognatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore's Creek. 518 Comment
  JEPS106767  Plagiobothrys greenei Jake Ruygt 1980-4-22 837 Napa .5 miles west of Pope Valley Rd. on Barnett Rd. 201 Comment
  JEPS106765  Plagiobothrys nothofulvus Jake Ruygt 1990-4-1 2456 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  UC25056  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-25 Napa Caux's Knob w St. Helena; Caux's Knob Comment
  UCD169884  Plagiobothrys nothofulvus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 723 Napa Knoxville Wildlife Area. 352 Comment
  UCD170835  Plagiobothrys nothofulvus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 166 Comment
  UCD81818  Plagiobothrys nothofulvus Ellen Dean 2009-4-24 5445 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD23371  Plagiobothrys nothofulvus Susan J. Schmickle 1977-4-24 19 Napa Fuzzy white flowers. East side of steep road out, gravel, full sun. Foothill woodland merging to chaparral. 2.6 miles southeast of Knoxville Mine on Berryessa Knoxville Rd. 320 Comment
  UCD74376  Plagiobothrys nothofulvus Jake Ruygt 1983-3-26 1393 Napa 0.5 mile south of Sage Canyon Rd. on Silverado Trail. 76 Comment
  UCD21504  Plagiobothrys stipitatus var. micranthus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4406 Napa Quail Ridge Reserve. 262 Comment
  UCD161578  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2007-5-5 5165 Napa Walnut Flat, near Wild Lake. 630 Comment
  JEPS24609  Plagiobothrys strictus Willis L. Jepson 1893-5-9 21183 Napa near Calistoga; Napa River Basin Comment
  POM63424  Plagiobothrys strictus Joseph P. Tracy 1903-5-15 1857 Napa Calistoga Hot Springs 91 Comment
  UC55921  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Calistoga Hot Springs Region about San Francisco Bay, Napa Valley 91 Comment
  UC1245375  Plagiobothrys tenellus Joseph P. Tracy 1950-5-23 18669 Napa dry gravelly flats Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  OBI20606  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa On La Jota Plateau in Los Posadas state forest 518 Comment
  JEPS110789  Plantago coronopus Jake Ruygt 1993-5-11 3260 Napa Milton Road north of the railroad tracks 0 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
  UCD81817  Plantago erecta Ellen Dean 2009-4-24 5444 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD15027  Plantago erecta Janet Zwanziger 1977-4-24 13 Napa 15.6 miles N of Pokeville junction along Knoxville Road. Comment
  UCD15028  Plantago erecta Gail Matson 1977-4-16 13 Napa 6.4 miles SW of Monticello Dam on highway 128. 213 Comment
  JEPS7122  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa e of Yountville Comment
  RSA523626  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa Hills to east of Yountville, on east side of road. Comment
  JEPS51578  Platystemon californicus W. L. Jepson 1915-4-23 6240 Napa St. Helena Comment
  JEPS51615  Platystemon californicus W. L. Jepson 1923-4-29 9894 Napa St. Helena 91 Comment
  UC169020  Plectritis brachystemon Joseph P. Tracy 1902-5-18 1537 Napa 3-4 mi e of Angwins (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  UC917296  Plectritis ciliosa subsp. ciliosa J. D. Skoss 1948-4-1 1 Napa 14 mi w of Winters (Putah Canyon); Putah Canyon Comment
  JEPS14266  Plectritis macrocera Bacigalupi and Dempster May, 1955 4446 B Napa between Chiles Valley and Monticello Valley Comment
  JEPS4814  Plectritis macrocera Miss R. Kuhn 1912-5-6 Napa Oakville Comment
  UC917295  Plectritis macrocera M. R. Wanzer 1948-4-3 8 Napa 13 mi w of Winters (Putah Canyon); Putah Canyon Comment
  JEPS75069  Pleuropogon californicus W. L. Jepson 1921-5-6 9182 Napa Calistoga 109 Comment
  UCD41331  Pleuropogon californicus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 6 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  UCD92169  Poa M. S. Baker 1936-4-1 8198 a Napa road to Knoxville Mine. Comment
  UCD17987  Poa annua Ellen Dean; with Plant Biology 102 class 2001-4-14 713 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  CAS-BOT-BC246848  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  CAS-BOT-BC6497  Poa napensis Alan Ackerman Beetle 1946-5-7 4256 Napa 2 miles N of Calistoga at Myrtledale Hot Springs Comment
  JEPS122737  Poa napensis Jake Ruygt 2011-6-18 5803 Napa Tubbs Lane/Fard Property, south of Myrtledale Road. Quad: Calistoga. Comment
  UCD37942  Poa napensis Beecher Crampton 1962-5-8 6418 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  SACT001995  Poa scabrella M. Wiesendanger 1927-5-4 Napa Comment
  UCD18085  Poa secunda Ellen Dean; with PLB 102 class 2000-4-22 641 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
  JEPS122928  Poa secunda subsp. secunda Jake Ruygt 1990-4-8 2469 b Napa Milliken Reservoir, property of City of Napa. Quad: Capell Valley. Comment
  UCD160701  Pogogyne douglasii Ellen Dean; Jake Ruygt 2015-5-23 8760 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  UCD125418  Pogogyne douglasii G. H. Vansell 1934-5-16 s.n. Napa Napa Valley. Comment
  JEPS51381  Polycarpon tetraphyllum W. L. Jepson 1894-10-15 Napa St. Helena Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  POM181332  Polycarpon tetraphyllum J. T. Howell 1931-4-19 6438 Napa Conn Creek Wah, Napa Valley Comment
  UCD98411  Polycarpon tetraphyllum Irving Grover 1954-6-29 s.n. Napa from farm buildings. Comment
  UCD98413  Polycarpon tetraphyllum Freed W. Hoffman 1946-8-20 1855 Napa Conn Reservoir. Comment
  RSA113968  Polygala californica Peter H. Raven 1957-5-5 10778 Napa Hills at western edge of Calistoga. Comment
  RSA114988  Polygala californica E. K. Balls, Lee W. Lenz 1955-5-17 20764 Napa 7.6 miles south of Lake-Napa county line along State Highway 20, Middletown to Calistoga 442 Comment
  SEINET12205441  Polygala californica F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -329 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET3269561 Image available Polygala californica M. F. Wojciechowski, K. P. Steele 2000-5-17 887 Napa Along CA 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  CAS-BOT-BC109155  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  POM263036  Polygonum bolanderi J. C. Roos 1938-11-12 320 Napa In rocky place, Angwin, Napa Range. Comment
  UC1281017  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Mt. Howell Comment
  CAS-BOT-BC414388  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa Napa Valley, east of Camp 64 609 Comment
  UC6676  Polygonum californicum Brewer 856 Napa Napa Hills Comment
  UC1299692  Polygonum hydropiper Freed W. Hoffman 1946-8-20 1264 Napa below Conn Lake Dam; North Coast Ranges Comment
  JEPS115683  Polygonum lapathifolium Lowell Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS50631  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin Comment
  RSA170233  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  CAS-BOT-BC420144  Polygonum ramosissimum subsp. prolificum John Thomas Howell 1932-10-8 10800 Napa Cuttings Wharf on Napa River Comment
  OBI10872  Polygonum spergulariiforme Robert F. Hoover 1966-8-23 9920 Napa E side of Mt St Helena Comment
  CDA34668  Polypogon interruptus L. Ahart 2009-10-12 16466 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
  CDA34667  Polypogon monspeliensis L. Ahart 2009-10-12 16465 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
  UCD169866  Polypogon monspeliensis Daniel Potter; Peter Lash 2015-4-26 801 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UCD164807  Populus trichocarpa Jake Ruygt 1998-6-13 4021 Napa Milliken Creek south of Foss Valley. 405 Comment
  UCD167134  Potamogeton diversifolius Jake Ruygt 2015-6-1 6118 x Napa Milliken Creek in Foss Valley. 177 Comment
  UCD73521  Potamogeton nodosus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS42990  Potamogeton pusillus Willis L. Jepson 1893-4-24 13772 Napa hills e of St Helena (to Conn Valley Road); Napa River Basin Comment
  CAS-BOT-BC159836  Prunus cerasifera Peter H. Raven 1951-6-24 3012 Napa Napa-Brown's Valley 60 Comment
  JEPS110552  Prunus cerasifera Jake Ruygt 1980-3-13 809 Napa .4 mile south of Hagen Rd. on Third Ave. 51 Comment
  CAS-BOT-BC151178  Prunus subcordata Mrs. H. C. Cantelow 1936-3-22 1140 Napa Howell Mt. Comment
  JEPS106917  Pseudognaphalium biolettii Jake Ruygt 1996-4-6 3561 b Napa East end of Rector Reservoir. 152 Comment
  JEPS106915  Pseudognaphalium californicum Jake Ruygt 1992-6-24 3054 Napa Tuteur Ranch, end of Green Valley Rd. 316 Comment
  UCD73461  Pseudognaphalium thermale Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC80150  Pseudotsuga menziesii John H. Thomas 1966-3-22 11534 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena 609 Comment
  SEINET265709  Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC245  Pseudotsuga menziesii var. menziesii Mrs. D. O. Hunt 1899-2-26 Napa Glass Mt. St. Helena, Glass Mt. Comment
  UC1111581  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1935-5-30 2837 Napa just s Napa State Hospital Comment
  CDA10857  Psilocarphus tenellus G. F. Hrusa, M. Rejmanek 1993-5-15 10952 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD118095  Pteridium aquilinum var. pubescens Megan Mateo; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  JEPS85023  Pterostegia drymarioides Larry Heckard and Mary Ashton 1969-5-3 2217 Napa ca. 7 mi. n.e. Napa (off Atlas Peak Rd., above and w. of the meadow, Mead Ranch); Mead Ranch 510 Comment
  UCD20916  Pterostegia drymarioides V. (Shorty) Boucher 2002-3-27 7 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  UCD49170  Pterostegia drymarioides M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 23 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines along road. 274 Comment
  UCD167051  Pyrola picta Jake Ruygt 1990-5-19 2558 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29. 152 Comment
  UCD45325  Quercus X chasei J. M. Tucker 1994-10-29 s.n. Napa California, Napa Co., Mt. George, north-ne. side, ca. 400 m. 400 Comment
  JEPS77932  Quercus X morehus Edward Lee 1935-12-1 1677 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  CLARK-A1528-2905  Quercus X morehus John C. Roos 1939-4-16 259 Napa Angwin Comment
  JEPS37714  Quercus agrifolia W. L. Jepson 1901-8-6 1718 Napa St. Helena Napa River Basin Comment
  SEINET3140984  Quercus agrifolia Unknown 1995-6-11 sn Napa Homestead Area of McCormick Ranch, approx. 1.1 mi N of Bald Mnt. in Sugar Loaf State Park, and roughly 7 mi W of St. Helena 549 Comment
  UCD149563  Quercus agrifolia G. Ledyard Stebbins 1994-10-5 s.n. Napa Hennessey Lake. At the junction of Route 128 [and Chiles Pope Valley Road]. Comment
  UCD149630  Quercus agrifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Chiles Valley summit, [near] 128. Comment
  CDA12252  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Tree at upper end of Lake Hennessey along Hwy. 128. Comment
  CDA35900  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Upper end of Lake Hennessey along Hwy 128. Comment
  RSA608861  Quercus agrifolia var. agrifolia Louis C. Wheeler 1963-9-16 8392 Napa Moore Creek Prospect, E of St. Helena. Comment
  SBBG111411  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 -8 Napa Hwy 28, 7.7 mi (by rd) W of jct with Hwy 37; above Sage Crk Comment
  SFV878  Quercus berberidifolia M. Shaw 1963-5-13 s. n. Napa North Coast Ranges Vaca Mountains. Below CA-Highway 128, 4 miles west of Monticello Dam. 120 Comment
  UCD14834  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -7 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45215  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 38 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  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
  UCD96198  Quercus berberidifolia Ellen Dean; with Clare Loughran 2011-5-20 7076 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
  JEPS116542  Quercus chrysolepis Jake Ruygt 1984-3-31 1516 a Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  JEPS2952 Image available Quercus chrysolepis W. L. Jepson 1893-5-4 Napa summit Mt. St. Helena; Napa River Basin; Mt. St. Helena, Napa River Basin Comment
  UCD45536  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley Creek. 350 Comment
  JEPS37393  Quercus douglasii Willis L. Jepson 1901-8-6 1729 Napa Howell Mt. grade Napa River Basin Comment
  JEPS37396  Quercus douglasii Willis L. Jepson 1901-8-6 1724 Napa Howell Mt. grade Napa River Basin Comment
  UC1196502  Quercus douglasii Joseph P. Tracy 1933-4-30 12085 Napa 5 mi e Angwin's; Howell Mountain, Moores Creek Comment
  UCD121176  Quercus douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7356 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD14552  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -15 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD45676  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa. Comment
  UCD83395  Quercus douglasii Jake Ruygt 1990-4-7 2461 b Napa Lake Hinman, W of Veterans' Home. 134 Comment
  UCD92305  Quercus douglasii J. M. Tucker 1954-9-23 2756 Napa West side of Highway 37. 0.1 mile south of junction with Wooden Valley Road (about 9.5 miles northeast of Napa). Comment
  CAS-BOT-BC86436  Quercus dumosa Peter H. Raven 1951-6-26 3058 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC86437  Quercus dumosa Peter H. Raven 1951-10-28 3948 Napa Conn Valley to Chiles Valley 274 Comment
  CAS-BOT-BC79838  Quercus durata C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  SEINET234414  Quercus durata John Tucker 1950-11-12 2014 -20 Napa Hwy 28 7.7 road mi W of junction with Hwy 37; SE-facing slope above Sage Creek 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
  UCD14808  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -6 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14809  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -7 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14811  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -13 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14813  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -20 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14845  Quercus durata John M. Tucker 1950-11-12 2014 -23 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  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
  UCD149561  Quercus durata G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam. Comment
  UCD45947  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  SEINET12029319  Quercus durata W. Knight, Knight, I. 1982-1 4553 Napa 0.5 mi W of Spanish Flat on the road to Conn Reservoir Comment
  HSC71371  Quercus durata var. durata J. P. Smith, J. O. Sawyer 1970-5-17 3784 Napa 8 mi. N of Pope Valley Comment
  SBBG25324  Quercus durata var. durata B. Rice 1965-5-15 68 Napa Devilshead Rd, 5 mi N of Cedar Valley 487 Comment
  SBBG50713  Quercus durata var. durata D. Parson 1969-5-24 40 Napa W end of Capell Valley Comment
  UCD45897  Quercus durata var. durata J. M. Tucker 1953-10-25 2690 Napa Beside Highway 28, 1.0 mile west of junction of highways 28 and 37, ca. 30 feet from edge of road, on lower side, Capell Canyon, Napa County, California. Comment
  UCD83396  Quercus durata var. durata Jake Ruygt 1980-4-22 854 Napa Devilshead Rd. 475 Comment
  UCD46183  Quercus garryana Verne Grant; Alva Grant 1947-4-19 7941 Napa At the head of Weldon (Mix) canyon, near crest of ridge on eastern slope. Can be approached by dirt road from Pleasant Valley, Vaca Mountains; Napa-Vaca county line. Comment
  JEPS37824  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6830 Napa Howell Mt. Comment
  UCD14548  Quercus garryana var. garryana John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -10 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD14960  Quercus garryana var. garryana John M. Tucker 1976-10-24 4385 Napa California, Napa Co.; beside Dry Creek Road, 1.4 mi. east of junction with Wall Road, and 4.4 mi. (by road) southwest of Oakville; Comment
  UCD46092  Quercus garryana var. garryana J. M Tucker 1952-4-22 2360 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  JEPS46697  Quercus kelloggii W. L. Jepson 1934-10-11 16899 Napa St. Helena Sanitarium Comment
  POM270255  Quercus kelloggii Lyman Benson 1931-2-26 2599 Napa Near highway summit of Mt. St. Helena, No of Calistoga, Mayacamas mt. range, Napa watershed. 549 Comment
  UCD46607  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD46679  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  SEINET5644379  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners.; 0 Comment
  CAS-BOT-BC62878  Quercus lobata Peter H. Raven 1952-8-27 5155 Napa Mt. Veeder Road at Lokoya Turnoff 426 Comment
  CAS-BOT-BC62882  Quercus lobata M. S. Jussel 1932-4-10 s.n. Napa St. Helena 10 miles N.E. Cliff Spring Comment
  JEPS37469  Quercus lobata Willis L. Jepson 1901-11-17 1751 Napa St. Helena Napa River Basin Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  RSA491721  Quercus wislizeni James L. Reveal 1987-6-7 6391 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  UCD47491  Quercus wislizeni John M. Tucker 1941-9-20 397 Napa On road bank; Putah Canyon, a short distance west of Redbud Park, Napa County, California. Comment
  JEPS106867  Rafinesquia californica Jake Ruygt 1980-5-13 882 Napa 3.0 miles S of Oakville Grade on Dry Creek Rd. 152 Comment
  UCD17980  Ranunculus aquatilis Ellen Dean; with Plant Biology 102 class 2001-4-14 705 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, in stock pond. 152 Comment
  JEPS110891  Ranunculus aquatilis var. capillaceus Jake Ruygt 1996-3-30 3539 Napa Jameson Vineyards, South Kelly Road. 67 Comment
  JEPS110890  Ranunculus aquatilis var. hispidulus Jake Ruygt 1981-4-22 996 Napa Suscol plain near Kaiser Steel (Rocktram 3 Comment
  JEPS110889  Ranunculus arvensis Jake Ruygt 1991-5-6 2646 Napa Wantrop Preserve, Pope Valley 184 Comment
  JEPS54959  Ranunculus californicus Willis L. Jepson 1893-4-26 Napa Oakville Napa River Basin Comment
  POM182689  Ranunculus californicus D. D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  UC917102  Ranunculus californicus D. C. Finfrock 1950-4-2 15 Napa 2 mi from St. Helena (on Pope Valley Rd) Comment
  POM263164  Ranunculus muricatus J. C. Roos 1939-4-18 314 Napa Howell Mountain, Angwin. Comment
  UCD15590  Ranunculus muricatus J. A. Johnston 1995-5-7 3 Napa Hwy 128, approx. 1 mile west of Markley Cove on Lake Berryessa. 700 Comment
  UCD96259  Ranunculus muricatus M. Wiesendanger 1926-4-1 1489 Napa Napa County. Comment
  POM264976  Ranunculus occidentalis var. eisenii I. L. Wiggins 1928-3-24 2862 Napa Grade on old road to Lake Co. above Calistoga. Comment
  SEINET215120  Ranunculus occidentalis var. eisenii B. Bearce 1965-4-4 18 Napa Ca 19 mi W of Winters on CA Hwy 121 Comment
  JEPS110878  Ranunculus orthorhynchus Jake Ruygt 1992-3-25 2861 Napa south end of Wooden Valley, Wild Horse Valley Ranch 179 Comment
  UC162832  Ranunculus orthorhynchus var. bloomeri Joseph P. Tracy 1903-5-15 1846 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS17350  Ranunculus orthorhynchus var. bloomeri Rimo Bacigalupi with John Dawson 1955-4-25 4841 Napa 2 1/2 mi s Imola (field along CA Hwy 29) Comment
  JEPS55102  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1945-3-28 27555 Napa about 3 mi se Yountville; Napa Valley Comment
  JEPS110990  Ranunculus pusillus Jake Ruygt 1982-6-1 1301 Napa .3 mile north of Chimney Rock Golf Cours on Silverado Trail 20 Comment
  JEPS55192  Ranunculus pusillus W. L. Jepson 1921-5-6 9180 Napa Calistoga 109 Comment
  JEPS110989  Ranunculus pusillus Jake Ruygt 1990-5-5 2525 Napa Johnsons Meadow, Wild Horse Valley Ranch 420 Comment
  CDA3874  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. F. Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. Comment
  UC2013271  Reseda luteola David Keil with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. Comment
  JEPS106865  Rhagadiolus stellatus Jake Ruygt 1989-4-29 2297 Napa Napa River north of Trancas St.,Napa 3 Comment
  JEPS24114  Rhagadiolus stellatus Mrs. Ida DeMay Wilson 1959-5-10 Napa Dry Creek Rd near Napa Comment
  UCD117923  Rhagadiolus stellatus Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  CAS-BOT-BC362895  Rhagadiolus stellatus Marie Taylor 1978-4-5 s.n. Napa Dry Creek & Wall roads Comment
  RSA7785  Rhamnus californica Carl B. Wolf 1928-2-25 1505 Napa 2 miles N of the summit of the Mt. St. Helena Grade on the road to Middletown Comment
  JEPS110665  Rhamnus californica subsp. californica Jake Ruygt 1990-6-4 2578 Napa Silverado Country Club near Napa City Water Treatment Plant 121 Comment
  JEPS42077  Rhamnus californica subsp. californica Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  CAS-BOT-BC56019  Rhamnus ilicifolia H. E. McMinn 1922-3-27 55 Napa Slope on Mt. St. Helena Comment
  SBBG14329  Rhamnus ilicifolia L. B. Hendrix 1962-5-5 41 Napa S end of Lake Berryessa Comment
  JEPS753  Rhamnus tomentella subsp. tomentella W. L. Jepson 1897-7-12 13980 Napa near Samuel's Springs 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
  CHSC20600  Rhododendron occidentale Robert A. Schlising; Botany 222 1962-5-4 2226 Napa Coast Ranges. 1.5 mi S Lake Co line on Butts Canyon Rd. Comment
  JEPS58748  Rhododendron occidentale W. L. Jepson 1930-10-19 15697 Napa Butts Canyon, near Napa Co. Bottom of Canyon Gulch. Comment
  JEPS58750  Rhododendron occidentale W. L. Jepson 1897-7-13 14672 Napa Butts Canyon, near Napa Co. Comment
  UCD117990  Rhododendron occidentale W. A. Williams 1974-11-25 s.n. Napa 3 miles west Knoxville (in direct line). BLM land. Comment
  UCD20697  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 7 Napa Napa County, Butts Canyon Rd/ Pope Valley Rd. near Butts Creek. NE side of Pope Valley Rd. from Shell Valley Rd S. along Butts Canyon Rd (Pope Valley Rd.) from 0.1 miles to 0.8 miles S., both sides of Butts Creek, but upstream SW side. Comment
  UCD20698  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 8 Napa Border of Lake County. 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Population extends .5 mile up drainage. Comment
Read comments
Sep 28 2012
  CHSC21426  Rhus aromatica Robert A. Schlising; Botany 222 1962-5-4 2227 Napa 1.5 mi S Lake Co line on Butts Canyon Rd. Comment
  NY199504  Rhus aromatica var. trilobata D. K. Christopher 2003-4-12 151 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 166 Comment
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May 8 2010
  JEPS121369  Rhynchospora californica Jake Ruygt 2003-8-24 4559 Napa Mt. George, Foote Botanical Preserve, NW side of mountain, near old orchard. Comment
  CAS-BOT-BC433100  Ribes John H. Thomas 1955-5-21 5098 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC433099  Ribes L. R. Abrams 1928-5-3 12256 Napa Summit St. Helena Grade Comment
  UC11500  Ribes californicum Willis L. Jepson 1893-5-2 Napa near Palisades; Napa River Basin, New Pope Valley grade Comment
  CAS-BOT-BC92978  Ribes californicum var. californicum Peter H. Raven 1951-5-20 285 b Napa Hills west Oakville. 548 Comment
  JEPS126022  Ribes californicum var. californicum Jake Ruygt 1977-3-6 140 Napa East of Basalt Rock quarry. Mount George 7.5' Quad. Comment
  RSA0021660  Ribes malvaceum Peter H. Raven 1950-4-15 1770 Napa Wooden Valley Grade above Napa. 457 Comment
  UCD167056  Ribes malvaceum var. malvaceum Jake Ruygt 1995-4-9 3418 Napa Table Rock, The Palisades. 792 Comment
  CAS-BOT-BC198894  Ribes roezlii var. cruentum John Thomas Howell 1926-3-21 1707 Napa On St. Helena Creek near Patten's. 701 Comment
  RSA0024606  Ribes roezlii var. cruentum W. L. Jepson 1893-4-25 13524 Napa Trail to Caux s Cabin, mountains W of St. Helena. Napa River basin. Comment
  UCD167061  Ribes sanguineum var. glutinosum Jake Ruygt 1999-5-18 4165 Napa Skyline Park, along Marie Creek Road near lake. 244 Comment
  CAS-BOT-BC168759  Ribes victoris Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5329 Napa Soda Creek, e. of chiles Valley 137 Comment
  POM261634  Ribes victoris J. T. Howell 1940-5-19 s.n. Napa Upper St. Helena Creek. Comment
  JEPS34906  Rigiopappus leptocladus Joseph P. Tracy 1938-6-5 15827 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain, hills at head of Moo 365 Comment
  UCD135430  Rigiopappus leptocladus Glen Holstein 1977-5-11 s.n. Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley. Comment
  CAS-BOT-BC363051  Rigiopappus leptocladus Beecher Crampton 1972-4-19 8792 Napa North end of Capell Valley Comment
  UC829519  Rigiopappus leptocladus Milo S. Baker 1940-4-23 9554 Napa 7 mi from Monticello (near cliff); Pope Creek Comment
  UCD69027  Rigiopappus leptocladus P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  JEPS106793  Rorippa curvisiliqua Jake Ruygt 1996-6-2 3739 Napa Buchli Station area of Duhig Road; near Huichica Creek 5 Comment
  JEPS129101  Rosa californica Jake Ruygt 2016-5-3 6228 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC555671  Rosa californica Herbert L. Mason 1923-10-6 774 Napa along Wooden Valley Rd. Comment
  JEPS112569  Rosa gymnocarpa Jake Ruygt 1976-5-14 76 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  UCD17680  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 82 Napa California. Napa County: 0.5 miles south of Redwood Lodge along Highway 128. Near Rt. 1B X 234. Comment
  CAS-BOT-BC156913  Rubus ursinus Peter H. Raven 1964-5-9 19071 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC421716  Rumex conglomeratus Peter H. Raven 1951-6-24 3009 Napa Napa 30 Comment
  CHSC102269  Rumex fueginus Lowell Ahart 2009-10-12 16428 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC434078  Rumex transitorius Peter H. Raven 1951-9-9 3892 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  HSC70625  Rupertia physodes J. M. DiTomaso 1980-6-12 1579 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  SD108178  Rupertia physodes Peter H. Raven 1964-5-9 19042 Napa Edge of small grove of Sequoia along dirt road, 2.0 miles west of Aetna Springs. Comment
  UCD39196  Rupertia physodes Beecher Crampton 1953-5-19 1301 Napa 9 miles east of Rutherford. Along Hwy. 128. Comment
  CDA27811  Rupertia physodes H. Stabo 1959-5-5 Napa Francher s Ranch, near Sanitarium area. 0 Comment
  RSA170398  Rupertia physodes J. D. Olmsted 5058 Napa Cold Creek; 150 yds above road by Monticello Dam, Vaca Mtns. Comment
  CAS-BOT-BC103226  Salix bonplandiana John Thomas Howell 1925-4-11 954 Napa Soscol Comment
  CAS-BOT-BC108660  Salix breweri David D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  CAS-BOT-BC108670  Salix breweri Mrs. H. P. Bracelin 1931-5-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley 375 Comment
  JEPS15364  Salix breweri W. L. Jepson 1938-6-8 18902 Napa Butte Canyon; bottom Comment
  SBBG58851  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn, between Pope Springs and Aetna Valley 91 Comment
  UCD102771  Salix breweri Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
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Jul 22 2018
  RSA90537  Salix breweri Milo S. Baker 1931-4-2 5127 Napa 7 miles from Pope Valley Store on road to Middletown. Comment
  RSA26496  Salix exigua L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  RSA92782  Salix exigua Peter H. Raven 1952-5-31 4109 Napa Strand of Conn Creek. E of Yountville. 46 Comment
  UC482102  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 33 Napa ca. 2 km. w Calistoga (on main hwy) 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
  UC1356330  Salix laevigata Theodore J. Crovello 1964-4-15 429 Napa along State Hwy. 128 200 yards w.of junction with Silverado Trail Comment
  CDA21153  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 A Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  CHSC20623  Salix lasiolepis Carol C. Getzinger 1964-3-24 16 Napa Junction of Redwood Road and Brown's Valley Road. 152 Comment
  UC504072  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  CAS-BOT-BC124412  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3065 Napa Wooden Valley Grade 304 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
  CAS-BOT-BC225170  Salvia sonomensis Peter H. Raven 1950-4-15 1772 Napa Wooden Valley Grade above Napa 457 Comment
  JEPS62780  Salvia sonomensis W. L. Jepson 1943-5-15 20786 Napa Knoxville Ridge Comment
  UCR220103  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  JEPS106728  Sambucus mexicana Jake Ruygt 1979-5-23 630 Napa Trancas St. bridge at Napa River 6 Comment
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 Comment
  JEPS104479  Sanicula bipinnata Jake Ruygt 1980-3-22 812 Napa north of Snell Valley and Routan Creek 274 Comment
  UC1197107  Sanicula bipinnatifida J. P. Tracy 1899-6-26 410 Napa 3-4 mi e of Angwin's (Howell Mountain, Head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UCD48517  Sanicula bipinnatifida C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 17 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 300 ft. N of creek, 160 ft. NE of small dry creek bed. 167 Comment
  UCD83722  Sanicula bipinnatifida Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 1 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 185 Comment
  RSA195384  Sanicula bipinnatifida Gilbert Muth 1967-4-9 623 Napa near Cassidy Creek 335 Comment
  UCD112046  Sanicula crassicaulis Christopher Mallek 2008-5-12 AS2- 6 Napa Aetna Springs. 668 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
  UCD48492  Sanicula crassicaulis A. Van Houtte; E. Leger and C. Hohn 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., in drainage at NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  UC1368792  Sanicula crassicaulis David H. French 1968-4-20 2860 Napa about 11 mi nw of Napa (w side of road called Silverado Trail) Comment
  HSC70626  Sanicula laciniata J. M. DiTomaso 1980-6-13 1589 Napa Trinity Rd. from Oakville to Glen Ellen Comment
  UC566847  Sanicula laciniata Herbert L. Mason 1926-3-22 Napa Petrified Forest Comment
  UCD41470  Sanicula tuberosa Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1350 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along South Decker Canyon Road, south of junction with cut-off trail, east side of trail, on ridge-top east of stream. 213 Comment
  UCD47842  Sanicula tuberosa Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 37 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
  UCD128070  Scandix pecten-veneris G. F. Hrusa; S. Larson 1995-4-10 12062 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCSC000537  Scandix pecten-veneris C. F. Sonne April 1888 s.n. Napa First found in N. America in wheatfield near Napa Junction Comment
  UCD73523  Schedonorus arundinaceus Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD50087  Schoenoplectus acutus var. occidentalis R. Tofsrud 1947-5-3 s.n. Napa Pope Creek. Comment
  RSA769185  Schoenoplectus maritimus L. Ahart 2009-10-12 16460 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
  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
  UC683304  Scirpus americanus Alan A. Beetle 1941-7-8 2852 Napa in outwash of geysers at Calistoga (farthest n station for this species); in outwash of geysers at Calistoga Comment
  CAS-BOT-BC240025  Scribneria bolanderi Peter H. Raven 1953-4-2 5243 Napa Hills e. of Imola 121 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
  SEINET9303026  Scutellaria californica Ellen Dean, Bibbo, Mark 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berrysea, just W of Monticello Dam. South Decker Canyon Rd, just S of jct with Cut Off Rd. Shady drainage with Quercus douglasii, Quercus wislizeni, and Symphoricarpos. Comment
  UC154011  Scutellaria tuberosa Joseph P. Tracy 1902-5-21 1578 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  CAS-BOT-BC417006  Sedella pumila H. P. Chandler 1907-5-5 7557 Napa near Yountville Comment
  UCD164852  Sedella pumila Jake Ruygt 2012-4-21 5822 Napa Crystal Flats, west of Putah Creek. 222 Comment
  UCR254842  Selaginella wallacei Greg de Nevers 1998-2-16 11137 Napa North Coast Range, Devils [Punchbowl] Falls [Bell Canyon Creek near Angwin] 320 Comment
  JEPS37306  Senecio aronicoides Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  SEINET7075536  Senecio eurycephalus 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
  POM5756  Senecio eurycephalus C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  JEPS122689  Senecio minimus Jake Ruygt 1998-7-4 4068 Napa 4.4 miles NW of Browns Valley Road on Redwood Road. Quad: Sonoma. Comment
  UCD19942  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  UCD135861  Senecio vulgaris M. R. Wanzer 1948-3-18 2 Napa Putah Creek Canyon, 12 miles west of Winters. Comment
  CAS-BOT-BC240239  Setaria viridis John H. Thomas 1966-5-8 11593 Napa At Louis Martini Winery, near St. Helena Comment
  RSA10687  Sidalcea diploscypha Carl B. Wolf 1928-5-3 1800 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SBBG100017  Sidalcea diploscypha B. Ertter, A. Carter 1989-5-28 8500 Napa Berryessa-Knoxville Rd N of Lake Berryessa, 4.7 mi S of Knoxville tunnel, along Eticuera Crk 304 Comment
  HSC16034  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  POM216232  Sidalcea diploscypha D. D. Keck 1933-5-29 2363 Napa Pope Creek bridge, S of Walters Springs, S. of creek Comment
  JEPS110706  Sidalcea hartwegii Jake Ruygt 1985-5-18 1595 Napa west of Veteran's Home toward L. Hinman 182 Comment
  UC796667  Sidalcea hartwegii Ira L. Wiggins 1949-4-30 12071 Napa about 15 mi ne Calistoga (between Calistoga and Clear Lake); ne of Calistoga, btw Calistoga and Clear Lake Comment
  UCD167288  Sidalcea hartwegii Jake Ruygt 1982-4-18 1190 Napa Calistoga Grade on Mount St. Helena. 353 Comment
  JEPS50076  Sidalcea keckii W. L. Jepson 1920-5-25 9041 Napa Knoxville Ridge Knoxville Ridge (ne Napa Co.) Comment
  UCD170380  Sidalcea keckii Daniel Potter; N Khuu 2016-5-8 877 Napa West of Nevada Creek, west of Knoxville Wildlife Area. 294 Comment
  JEPS67252  Sidalcea oregana subsp. hydrophila Willis L. Jepson 1893-9-24 14062 Napa at Angwin's Napa River Basin, , Howell Mt. (Howell Mt.) Comment
  JEPS106737  Silene antirrhina Jake Ruygt 1996-5-14 3694 Napa White Cliff Springs; Elder Valley; PG+E property to S. 414 Comment
  UC161021  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  UCD144649  Silene antirrhina Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS106852  Silene californica Jake Ruygt 1980-6-22 942 Napa .1 mile south of Snell Valley Rd. on Butts Canyon Rd. 198 Comment
  JEPS50888  Silene californica W. L. Jepson 1938-5-22 18831 Napa Butts Canyon South Fork Butts Canyon, South Fork Comment
  UCSC009030  Silene laciniata subsp. californica Dylan M. Neubauer 2015-4-26 132 Napa (NCoRI) Butts Canyon Rd, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC389180  Silene laciniata subsp. californica Betty H. Johnson 1958-6-20 620 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS106853  Silene multinervia Jake Ruygt 1997-6-22 3867 Napa Bismark Knob 640 Comment
  UCD148757  Silene verecunda Jake Ruygt 1998-6-22 4047 Napa Napa County; Buzzard's Roost. 617 Comment
  UCD148092  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 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
  UCD138801  Sisyrinchium bellum D. C. Finfrock 1950-4-2 12 Napa 2 miles from St. Helena on road to Pope Valley. Comment
  UCD138849  Sisyrinchium bellum M. Wiesendanger 1927-5-4 685 Napa Near Monticello. Comment
  UCD48728  Sisyrinchium bellum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 18 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 ft. N of stream. 152 Comment
  UCD48732  Sisyrinchium bellum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 18 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, 1/4 mi. from jct with West Rd. 152 Comment
  JEPS64277  Sisyrinchium bellum Willis L. Jepson 1893-5-1 Napa near Calistoga (Franz Valley Grade, below summit); Sierra Foothills, Napa River Basin Comment
  JEPS113974  Smilax californica Jake Ruygt 1989-5-27 2349 Napa Napa River about 50 yards south of Lincoln Ave., Napa. Napa 7.5' Quad. Comment
  CHSC102304  Solanum americanum Lowell Ahart 2009-10-12 16456 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD170148  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  JEPS110747  Solanum rostratum Jake Ruygt 1996-9-14 3785 Napa 1.9 miles north of Sage Canyon Road on Lower Chiles Valley R 298 Comment
  CAS-BOT-BC156484  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa Comment
  UC1301158  Solanum umbelliferum Helen K. Sharsmith 1963-3-17 5214 Napa s side of Mount Atlas Mount Atlas; San Francisco Bay Region, Mount Atlas 609 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
  SEINET5760783  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa North Coast Ranges; east slope in the Howell Mountains, 5 miles east of Napa 457 Comment
  UC614509  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa 5 mi e of Napa (e slope in the Howell Mountains); North Coast Ranges, Howell Mountains 457 Comment
  UCD160791  Solidago Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8671 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CDA11826  Solidago californica G. F. Hrusa 1993-10-3 11424 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  CAS-BOT-BC365094  Solidago velutina subsp. californica Harley P. Chandler 1906-9-7 7117 Napa Howell Mountain. Alta Loma Ranch 548 Comment
  UCD144654  Sonchus asper subsp. asper Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD48571  Sonchus oleraceus K. Mogel; B. Pekin and M. Higley 2002-5-4 4 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
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  CAS-BOT-BC235337  Sorghum halepense James H. Kavanagh 1921-10-1 s.n. Napa Napa Comment
  JEPS2865 Image available Sparganium californicum Edward Lee Greene 1883-1 Napa Calistoga Comment
  RSA0098485  Spergularia macrotheca var. longistyla Rimo C. Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  JEPS62962  Stachys ajugoides W. L. Jepson 1894-11-7 14960 Napa Asylum Field Napa Comment
  JEPS63063  Stachys ajugoides var. rigida W. L. Jepson 1936-5-31 17575 Napa La Jota plateau Howell Mtn. Comment
  SEINET9352740  Stachys albens Unknown 1976-8-8 13 Napa Napa County Comment
  UCLA85559  Stachys stebbinsii C. Epling, H. Lewis 1941-5-9 Napa 11.1 mi s St. Helena Comment
  CAS-BOT-BC386933  Stellaria media Ira L. Wiggins 1928-3-25 2874 Napa Roadside 1 1/2 mi. N.E. of Calistoga Comment
  UCD18020  Stellaria nitens Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 565 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
  UC1146700  Stellaria nitens Freed W. Hoffman 1947-3-20 839 Napa Pope Creek hillside Pope Creek; North Coast Ranges 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
  JEPS129100  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-5-3 6230 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS106604  Streptanthus brachiatus Jake Ruygt 1983-6-12 1491 Napa Red Hill, Mt. St. Helena 670 Comment
  UCD115951  Streptanthus breweri Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties. Butts Canyon Road. Comment
  UCD115961  Streptanthus breweri Arthur M. Shapiro 1979-5-14 s.n. Napa Butts Canyon, above Snell Valley Road. Comment
  JEPS106606  Streptanthus breweri var. breweri Jake Ruygt 1995-6-17 3506 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 Comment
  JEPS123293  Streptanthus breweri var. breweri David Gowen 2009-6-18 1070 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  UC956593  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-9-3 2998 Napa Conn Dam North Coast Ranges Comment
  HSC44001  Streptanthus glandulosus Robert M. Specht 1977-4-19 693 Napa Above drainage running NE from Adams Creek. 518 Comment
  POM197071  Streptanthus glandulosus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  CAS-BOT-BC87152  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6453 Napa Conn Valley. Comment
  CAS-BOT-BC87156  Streptanthus glandulosus subsp. glandulosus David D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles northwest of Monticello. Comment
  CAS-BOT-BC87164  Streptanthus glandulosus subsp. glandulosus Clara A. Hunt 1923-4-1 s.n. Napa Mountains near Saint Helena. Comment
  JEPS30823  Streptanthus glandulosus subsp. glandulosus W. L. Jepson 1938-5-22 18818 Napa Limekiln Creek Canyon Pope Valley (hillside) Comment
  RSA195351  Streptanthus glandulosus subsp. glandulosus Gilbert Muth 1967-5-17 685 Napa Summit of Oat Hill Road. 671 Comment
  UC956575  Streptanthus glandulosus subsp. glandulosus Freed W. Hoffman 1949-5-10 2776 Napa along pipeline about 2 mi below Conn Dam; North Coast Ranges Comment
  UCD74408  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-22 1668 Napa Vaca Mtns. east of Markley Cove. 426 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
  UCD74409  Streptanthus hesperidis Jake Ruygt 2007-6-23 5236 Napa Las Posadas State Forest, north of Recreation Flat. 405 Comment
  UCD149070  Streptanthus morrisonii G. Ledyard Stebbins 1985-6-17 C 533 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 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
  UCD164230  Streptanthus morrisonii N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 308 Napa Hunting Creek. 337 Comment
  UCD170472  Streptanthus morrisonii Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 901 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 477 Comment
  UCD137414  Symphoricarpos albus var. laevigatus K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forset. Comment
  UCD19319  Symphoricarpos mollis M. A. Bibbo; E. Dean 2001-7-6 11 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.8 air miles from jct. with S Decker canyon rd. 20 yards off of the road, up a small dry creek, on N facing slope of drainage. 198 Comment
  CAS-BOT-BC97740  Symphyotrichum chilense John Thomas Howell 1933-8-27 11627 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC97736  Symphyotrichum chilense Peter H. Raven 1951-6-26 3091 Napa Cappell Valley to Wooden Valley 329 Comment
  CAS-BOT-BC97737  Symphyotrichum chilense Alice Eastwood 1920-7-31 9987 Napa Vallejo Comment
  CAS-BOT-BC98080  Symphyotrichum lentum John Thomas Howell 1932-9-17 10758 Napa 3 miles west of Napa Comment
  JEPS40818  Symphyotrichum subspicatum W. L. Jepson 1894-11-7 Napa Napa City Comment
  JEPS45772  Tamarix gallica W. L. Jepson 9832 Napa White Sulphur Creek; Napa Valley Comment
  CAS-BOT-BC376783  Tanacetum parthenium Peter H. Raven 1951-6-26 3039 Napa Napa 30 Comment
  JEPS110688  Tetrapteron graciliflorum Jake Ruygt 2005-4-17 4765 Napa Bear Valley, N of pond 649 Comment
  UCD125814  Teucrium fruticans Irving Grover 1964-4-15 s.n. Napa Agricultural Extension Service. Comment
  UCD148806  Thermopsis californica var. californica Ellen Dean; Diana Hickson 2014-4-29 8113 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS65662  Thermopsis californica var. californica Willis L. Jepson 1895-4-27 13584 Napa Union Station Napa Valley, Napa River Basin Comment
  POM20376  Thermopsis californica var. californica C. F. Baker 1902-5-8 3081 Napa Knoxville. Comment
  UCSB7191  Thermopsis gracilis Keator, Glenn 1959-3-28 Napa About 1/2 mile above Conn's picnic grounds near Lake Hennessy, Napa range Comment
  CAS-BOT-BC66482  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6084 Napa Summit of Wooden Valley Grade. 8 miles east of Napa. 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
  CAS-BOT-BC66515  Thysanocarpus curvipes Paul F. Covel 1940-4-28 1706 Napa Pac-Union College-Pope Valley Road. Comment
  JEPS106590  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2882 Napa Tuteur Ranch, end of Green Valley Rd. 365 Comment
  JEPS106591  Thysanocarpus curvipes Jake Ruygt 1994-3-15 3318 Napa Chiles Canyon Road about 1 mile from Chiles Valley 365 Comment
  RSA696362  Thysanocarpus curvipes Keith E. Hoffmaster 1946-3-23 1059 Napa Napa range, along Napa-Monticello road Comment
  UCD20024  Thysanocarpus curvipes C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1214 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  UCD73413  Thysanocarpus curvipes 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-BC66486  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6108 Napa 4 miles from Monticello on Wooden Valley Road, Napa Range. Comment
  CAS-BOT-BC66487  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6169 Napa Crater Country, Mount Saint Helena. Comment
  CAS-BOT-BC66509  Thysanocarpus curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles north of Calistoga on road to Lakeport. Comment
  UCD74413  Thysanocarpus curvipes Jake Ruygt 1991-5-11 2672 Napa Little Bear Valley near Sugarloaf Mtn. 694 Comment
  SEINET3165954  Thysanocarpus curvipes subsp. curvipes C. D. Bailey 2008-3-19 259 Napa East of the town of Napa along Combsville Rd. Follow onto Wild Horse Valley Rd. as Combsville Rd. comes to an end. Ca. 1 mile up Wild Horse Valley Rd. on a road cut. 183 Comment
  RSA0039334  Thysanocarpus curvipes var. curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  UCR17696  Thysanocarpus curvipes var. elegans E. Turula 1975-3-29 76 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  JEPS54141  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa on road to Myrtledale Hot Springs 1 1/4 mi from Calistoga Comment
  CHSC27762  Thysanocarpus radians Ethel Pearson 1978-3-24 3 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  UCD170300  Thysanocarpus radians Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 840 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  UC1083160  Thysanocarpus radians A. E. Borell 1928-4-13 105 Napa six mi ne Calistoga Comment
  SBBG28990  Tonella tenella D. D. Keck 1931-4-3 1066 Napa Pope Crk Cyn, 8 mi NW of Monticello Comment
  SEINET7466299 Image available Tonella tenella J. M. Tucker 1957-1 3287 Napa beside Highway 37, .4 mile southwest of junction with road to Monticello Dam and Winters. Comment
  UCD128188  Torilis nodosa M. Wiesendanger 1926-4-1 1490 Napa Exact location unknown. Comment
  CAS-BOT-BC85170  Torreya californica Carl B. Wolf 1928-5-4 1865 Napa Mt. St. Helena Comment
  RSA10626  Torreya californica C. B. Wolf 1928-5-4 1865 Napa Upper slopes of Mount St. Helena Comment
  HSC95661  Toxicodendron diversilobum Jonathon M. Irvine 1977-4-16 111 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam 183 Comment
  JEPS63911  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19477 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63928  Toxicodendron diversilobum W. L. Jepson 1915-4-22 6230 Napa hills east St. Helena Comment
  UCD117068  Toxicodendron diversilobum Stephen E. Willeford 1964-5-1 7 Napa East of highway, Putah Creek Drainage, 3 miles south of junction of State Highways 128 and 37. [37 was what is now called 121; assume this was traveling SW along 128 from junction] 182 Comment
  UCD170347  Toxicoscordion fontanum Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 846 Napa Knoxville Wildlife Area, south of Nevada Creek. 451 Comment
  UCD19957  Toxicoscordion fontanum E. A. Dean; Virginia Boucher 2002-2-28 896 Napa Quail Ridge Reserve. Along West Rd. 0.9 airline miles NNW of junction of West Rd. and Decker Canyon Trail. 243 Comment
  UCD55060  Toxicoscordion fremontii E. A. Dean; Virginia Boucher 2002-2-28 907 Napa Quail Ridge Reserve. Along lower trail leading from West Road toward powerlines at tip of ridge, very close to junction with West Road. 304 Comment
  UC2025090  Toxicoscordion fremontii Fayla Schwartz 1990-3-18 115 Napa Napa Co. 1.2 miles south of intersection with Howell Mt. Road on Deer Park Road, between St. Helena and Angwin. Comment
  UC1745684  Toxicoscordion micranthum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2770 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD63857  Toxicoscordion venenosum var. venenosum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCD95925  Toxicoscordion venenosum var. venenosum Ellen Dean; with Clare Loughran 2011-5-20 7058 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  CAS-BOT-BC377108  Tragopogon porrifolius Elsa Ruckert 1960-5-7 144 Napa 6495 Dry Creek Road 365 Comment
  JEPS112619  Trichostema laxum Jake Ruygt 1986-6-28 1846 Napa Mtn. Millhouse Girlscout Camp, Mt. St. Helena 499 Comment
  JEPS112639  Trichostema laxum Jake Ruygt 1979-6-9 687 Napa 23.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 609 Comment
  UCD166642  Trichostema laxum Jake Ruygt 2007-7-1 5245 Napa west of Hwy 29, near Lake County line. 541 Comment
  UCD20616  Trichostema laxum E. Dean; with M. Bibbo 2002-7-5 1163 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  UCD63859  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCR200670  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville, Berryessa-Knoxville Road, UC MacLaughlin Reserve, Research Hill 625 Comment
Read comments
Mar 8 2013
  JEPS108658  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa NW of; ; NW of Buzzard's Roost, N end of Stag's Leap. Yountville Quad Comment
  UCD166648  Trichostema ruygtii Jake Ruygt 1979-7-3 737 Napa Atlas Peak Road, 7.6 miles north of Westgate Dr. 426 Comment
  CHSC25145  Trientalis latifolia J. E. Beitler 1970-4-19 27 Napa St. Helena. Locally abundant in area directly between York Creek and gate at road to Spring Mountain Conversion dam, on Spring Mountain Road. Comment
  UCD38291  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  JEPS106690  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1992-4-10 2898 Napa Wild Horse Valley Ranch east of south lake 457 Comment
  JEPS106691  Trifolium albopurpureum var. dichotomum Jake Ruygt 1995-4-17 3427 Napa end of Niebaum Rd., Bear Canyon. 103 Comment
  JEPS65846  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-5-2 13663 Napa e Calistoga (Palisades, near summit of New Pope Valley Grade); Napa River Basin Comment
  UC1602048  Trifolium albopurpureum var. dichotomum Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  UC16497  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-4-25 Napa trail to Caux's Cabin; Napa River Basin Comment
  UC866752  Trifolium albopurpureum var. dichotomum Lewis S. Rose 1935-4-18 35100 Napa Steel Canyon Comment
  CDA10884  Trifolium bifidum G. F. Hrusa, M. Rejmanek 1993-5-15 10979 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD48025  Trifolium bifidum J. Pierner; S. Burgess, A. Hufton, A. Ryan, and B. Takahashi 2000-4-29 12 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  UCD48976  Trifolium bifidum var. decipiens Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca.0.45 miles (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  UCD83439  Trifolium bifidum var. decipiens Jake Ruygt 2005-3-28 4728 Napa Berryessa-Knoxville Rd., between Spanish Flat and Lake Berryessa Marina. 146 Comment
  UCD83438  Trifolium bifidum var. decipiens Jake Ruygt 2005-5-6 4815 Napa Newell Canyon Open Space; near Napa/Solano County line. 283 Comment
  UCD83441  Trifolium ciliolatum Jake Ruygt 1981-4-18 977 a Napa Harris Canyon. 213 Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  JEPS65841  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-24 13739 Napa e St. Helena (hills); Napa River Basin Comment
  UC555402  Trifolium depauperatum var. depauperatum H. L. Mason 1928-4-13 4336 Napa near spring (Reili School) Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  JEPS95202  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-7 1173 Napa between Rocktram and Hwy 29 (221) Suscol Plain Comment
  JEPS65737  Trifolium depauperatum var. truncatum W. L. Jepson 1915-4-23 6244 Napa Conn Valley Napa Range Comment
  UCD38372  Trifolium depauperatum var. truncatum Beecher Crampton 1955-4-4 2390 Napa 2 miles north of Calistoga. Comment
  UCD83443  Trifolium depauperatum var. truncatum Jake Ruygt 1982-4-14 1182 Napa Suscol plain, E of Rocktram. 1 Comment
  RSA10688  Trifolium dichotomum Carl B. Wolf 1928-5-3 1799 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD33087  Trifolium dichotomum Beecher Crampton 1966-5-10 7712 Napa 4 miles NW of Moskowite Corner on State Hwy. 128. Comment
  SEINET10577229 Image available Trifolium dichotomum Charles F. Baker 1903-4-20 Baker 2625 Napa Mt. St. Helena. Common about rocky summits. Comment
  UCD95680  Trifolium fragiferum Ellen Dean; with Clare Loughran 2011-5-20 7025 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS65885  Trifolium fucatum Willis L. Jepson 1893-4-26 13742 Napa Rutherford Napa River Basin Comment
  UCD109759  Trifolium gracilentum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  JEPS129081  Trifolium hydrophilum Jake Ruygt 2016-4-18 6194 y Napa South end Meridian Road, Fairfield. Comment
  RSA121049  Trifolium incarnatum H. C. Cantelow, Ella Dales Cantelow s.n. Napa On Silverado Trail southeast of Rutherford. Comment
  UC1925901  Trifolium microcephalum Ethel Crum 1931-1 1063 Napa Pope Valley Comment
  SEINET7040258  Trifolium microdon A. G. Vestal 1963-4-7 s. n. Napa 2.1 miles north of St. Helena on Silverado Trail. St. Helena Quadrangle UTM Zone 10, 544987mE, 4264386mN. Comment
  UCD109164  Trifolium microdon K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCD109176  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Napa Yontville cemetery. Comment
  JEPS106752  Trifolium obtusiflorum Jake Ruygt 1980-5-21 895 Napa 2.7 miles north of Monticello Rd. on HWY 128 213 Comment
  JEPS129046  Trifolium obtusiflorum Jake Ruygt 2016-6-11 6283 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  UCD83422  Trifolium oliganthum Jake Ruygt 1978-4-17 1431 Napa Red Hill, Mt. St. Helena. 670 Comment
  UCD111357  Trifolium olivaceum M. Wiesendanger 1926-4-1 1491 Napa location unknown. Comment
  UCR261631  Trifolium striatum Ann Howald 2003-4-29 2328 Napa Inner North Coast Ranges, Southern Mayacamas Mountains, c. 0.5 mile northeast of northern Carneros Valley, slope west of Buhman Court intersection with Buhman Ave. 91 Comment
  JEPS106717  Trifolium tomentosum Jake Ruygt 1979-4-11 501 Napa .2 mile west of Suscol Ave. on Imola Ave 6 Comment
  UC160947  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1633 Napa near Calistoga; Napa Valley 91 Comment
  UCR23914  Trifolium virescens John C. Roos 1939-4-15 279 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  OBI12644  Trifolium willdenovii R. L. Hoover 1968-4-20 47 Napa On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd Comment
  UC1300876  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa along Silverado Trail (hillsides) Comment
  UCD33569  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa Napa County, east slope of Wragg Canyon. Comment
  CAS-BOT-BC451904  Triglochin maritima Peter H. Raven 1952-8-26 5137 Napa Nr. Bentley Wharf 15 Comment
  CAS-BOT-BC520826  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 573 Napa 0.6 mi, W of Cal. Hwy. 29, just SW of Calistoga Comment
  HSC46352  Trillium albidum J. D. Freeman, R. F. Freeman 1967-5-6 573 Napa Near Diamond Mtn. Creek below Diamond Mtn. Rd., 0.6 mi. W of Hwy. 29, SW of Calistoga Comment
  UCD170206  Triphysaria eriantha Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 751 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  UCD48230  Triphysaria eriantha subsp. eriantha J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 27 Napa Napa County, California. McLaughlin Reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  JEPS10660  Triphysaria eriantha subsp. eriantha Willis L. Jepson 1893-4-27 21377 Napa Napa City; Napa River Basin Comment
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Jan 18 2009
  UC194178  Triphysaria eriantha subsp. eriantha C. F. Sonne April 1896 Napa near Napa Junction; near Napa Junction 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
  CDA11337  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa 1995-4-2 12047 Napa North Coast Biodiversity Arena; SE corner of Chiles-Pope Valley Rd. and Hwy 128, upper end of Hennessey Res. Comment
  JEPS10430  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-5-1 21371 Napa Upper Napa Valley Calistoga (Napa River Basin); , Upper Napa Valley Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  JEPS74866  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7511 Napa 4 mi e Pope Valley; e of Pope Valley 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
  UC1334877  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa on West Imola Avenue 1 mi w State Highway #12 and 29 Comment
  POM262797  Trisetum canescens J. C. Roos 1939-5-7 297 Napa Angwin, Napa Range Comment
  UCD73052  Trisetum canescens Ellen Dean; S. Rae 2008-5-21 4971 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  JEPS110929  Triteleia laxa Jake Ruygt 1986-4-19 1713 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 36 Comment
  SEINET3889059  Triteleia laxa R. Blenkush, S. Hee; C. McWhorter; J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road.; 0 411 Comment
  UCD169874  Triteleia peduncularis Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 809 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 Comment
  CAS-BOT-BC91198  Umbellularia californica John H. Thomas 1966-3-22 11530 Napa R.L. Stevenson State Park on the eastern slopes of Mount Saint Helena along highway 29 between Middletown and Calistoga. 762 Comment
  JEPS40103  Umbellularia californica W. L. Jepson 1937-4-9 17998 Napa Howell Mountain, St. Helena, 1/4 mi below summit St. Helena; Howell Mountain, St. Helena Comment
  JEPS40120  Umbellularia californica W. L. Jepson 1894-10-13 Napa St. Helena Comment
  POM202744  Umbellularia californica I. L. Wiggins 1932-3-12 5754 Napa Bank of N Fork of Napa River, 1 mile N of Calistoga. Comment
  UCD38864  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 5 miles north Conn. Reservoir. (Lake Hennessey) Lower Chiles Valley Road. Comment
  CAS-BOT-BC381964  Uropappus lindleyi J. Clausen 1935-5-23 1072 m Napa Howell Mountain, near summit, 6.5 mi. N. of St. Helena Comment
  UC50066  Uropappus lindleyi Willis L. Jepson 1893-5-1 N