Search Results — 2000 specimen records retrieved (1462 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC102280  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS115687  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  CAS-BOT-BC331524  Acer macrophyllum Alice Eastwood 1922-3-25 11106 Napa Calistoga Comment
  UCD162093  Acer macrophyllum Dylan O. Burge 2014-3-15 1490 Napa Mount Saint Helena. 740 Comment
  RSA195347  Achillea millefolium var. californica Gilbert Muth 1967-5-17 682 Napa Summit of Oat Hill Road 671 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
  UCD50273  Achnatherum coronatum Beecher Crampton 1960-5-2 s.n. Napa Markley Canyon, Vaca Mtns., 2.7 miles southwest of Monticello Dam along State Highway 128. Comment
  UCD50281  Achnatherum coronatum Beecher Crampton 1959-10-6 s.n. Napa Along State Hwy. 128, Markley Canyon, Vaca Mountains, 2.7 miles southwest of Monticello Dam, Napa County. Comment
  JEPS29586  Achyrachaena mollis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8443 Napa 4.8 mi n along Atlas Peak Road Vichy Springs (junct of Calif 37 with Atlas Peak Road); Milliken Reservoir (due west and above) 335 Comment
  UCD18081  Achyrachaena mollis Ellen Dean; with PLB 102 class 2000-4-22 636 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
  UCD103940  Acmispon americanus var. americanus John M. Tucker 1941-9-20 393 Napa Putah Canyon, Vaca Range. 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
  UCD118619  Acmispon brachycarpus Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD159936  Acmispon brachycarpus 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
  UCD16011  Acmispon brachycarpus L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 8 Napa McLaughlin Reserve, McLaughlin Reserve, east side of Devilhead Road 38 deg. 49' 14'' N, 122 deg. 21 12'' W; 540 m. Comment
  UCD148787  Acmispon parviflorus Ellen Dean; Diana Hickson 2014-4-29 8095 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD17993  Acmispon wrangelianus Ellen Dean; with Plant Biology 102 class 2001-4-14 719 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  HSC45350  Adenostoma fasciculatum R. York 1978-4-8 116 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS44804  Adenostoma fasciculatum W. L. Jepson 1896-6-2 Napa near St. Helena; Napa Valley Comment
  UC555288  Adenostoma fasciculatum H. L. Mason 1925-1-22 1203 Napa Wooden Valley Grade 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
  UC521688  Aesculus californica Joseph Andorfer Ewan 1933-9-17 8016 Napa 2.5 mi out Calistoga (Mt St Helena road) 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
  UCD19342  Agoseris grandiflora M. A. Bibbo; E. Dean 2001-7-6 35 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  CAS-BOT-BC29640  Agoseris grandiflora var. grandiflora Rimo Bacigalupi 1928-6-20 1863 Napa Howell Mt, 10 miles W of St Helena Comment
  UC29368  Agoseris grandiflora var. grandiflora Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC29637  Agoseris grandiflora var. grandiflora P. H. Raven 1950-5-6 2009 Napa Near the place where the W branch of the Napa River meets route 29 approximately 1 mi N of Calistoga. 152 Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 Comment
  JEPS104535  Agoseris heterophylla Jake Ruygt 1996-5-13 3673 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 365 Comment
  UCD170681  Agoseris heterophylla 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC46057  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa Near the geysers, Calistoga 91 Comment
  JEPS104577  Agoseris retrorsa Jake Ruygt 1982-5-26 1293 Napa Mt. St. Helena toward The Palisades. Deter Reservoir 7.5' Quad. 731 Comment
  UC1177042  Agrostis alba John Thomas Howell 1943-6-20 18241 Napa hills sw St. Helena Comment
  SEINET238873  Agrostis diegoensis Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains above Wooden Valley. Comment
  CAS-BOT-BC127141  Agrostis exarata Betty H. Johnson 1958-6-20 648 Napa Near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  UC1145057  Agrostis exarata Joseph P. Tracy 1938-6-6 15846 Napa between Napa City and Yountville; Napa Valley 30 Comment
  UC1153788  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD52270  Agrostis exarata August L. Hormay Date Unknown Napa North of Napa. Comment
  CAS-BOT-BC139521  Agrostis hallii Peter H. Raven 1952-5-31 4102 Napa 1.5 mile east of Yountville. 30 Comment
  CAS-BOT-BC139014  Agrostis pallens Peter H. Raven 1950-6-20 2354 Napa In the Napa Range between Conn Valley and Howell Mountains. Comment
  UCD95693  Agrostis pallens Ellen Dean, Clare Loughran; with Clare Loughran 2011-5-20 7039 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  UCD159958  Aira caryophyllea Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  CAS-BOT-BC445424  Alisma triviale James L. Reveal 1987-6-7 6410 Napa Along California Highway 128 northeast of Rutherford, along Corn Creek, about 1 mile south of Trail Silverado, about 4 airline miles southeast southeast of St. Helena 76 Comment
  UC14988  Allium amplectens J. P. Tracy 1899-6-19 448 Napa 3-4 mi e Angwin's (head of Moore's Creek, flats on top of the mountain); Howell Mountain, Moore's Creek 518 Comment
  CAS-BOT-BC461088  Allium amplectens John Thomas Howell 1933-6-4 11391 Napa Hills east of Napa Comment
  RSA32797  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  HSC2942  Allium falcifolium Greg Bos 1963-3-24 47 Napa NW end of Lake Berryessa, at Putah Creek 457 Comment
  JEPS47613  Allium falcifolium Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 Comment
  UC1133798  Allium falcifolium B. O. Schreiber 1938-4-24 2504 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  SEINET3884605  Allium falcifolium D. W. McNeal 1992-4-25 3878 Napa On disturbed hillside above the Knoxville-Berryessa Rd., 1.8 mi S. of the Lake Co. line.; 0 Comment
  UC727025  Allium fimbriatum var. fimbriatum A. A. Heller 1941-5-3 16127 Napa near the summit of the first ridge w Knoxville Comment
  UCD148572  Allium fimbriatum var. purdyi Jake Ruygt 1980-4-22 857 Napa Napa County; 0.7 mile north of Knoxville on Berryessa-Knoxville Rd. Comment
  UCD48257  Allium serra Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 3 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD48744  Allium serra S. Murphy; K. Keck and K. Dyer 2002-5-5 9 Napa Quail Ridge UC Reserve, northern tip of ridge, NE from the intersection of West and East roads ca. 250 m, N side of upper road leading to power lines and tip parcels, steep W-facing slope, ca. 10 m from road. 327 Comment
  UCD48746  Allium serra Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Ridge Rd. just S of jct with S. Decker Canyon Rd. 365 Comment
  CAS-BOT-BC475559  Allium serra Alice Eastwood 1930-4-13 17927 Napa Canon between Monticello and Pope Valley Comment
  CAS-BOT-BC475564  Allium serra John Thomas Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  POM203718  Allium serra J. T. Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  SEINET3879166  Allium serra D. W. McNeal 1978-4-29 2114 Napa Above the Lake Berryessa-Lower Lake rd., 1.2 mi N of Knoxville.; 0 Comment
  JEPS122717  Allium triquetrum Jake Ruygt 1984-4-28 1533 Napa 0.2 mile south of end of Redwood Road. Quad: Sonoma. Comment
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  SEINET2444438  Allophyllum gilioides K. Walker 2006-5-13 3 Napa Quail Ridge Reserve, West Ashley Rd. 0.5 mi NW of Laurel Creek. 208 Comment
  UCD117325  Allotropa virgata Gilbert Muth 1971-5-20 s.n. Napa 1/2 mile down Ink Grade Road from White Cottage Road, Angwin. Comment
  CAS-BOT-BC170679  Alnus rhombifolia H. E. McMinn 1922-8-2 357 Napa Putah Canyon Comment
  UCD110018  Alnus rhombifolia C. R. Kovaic 1969-5-3 31 Napa Along Chiles Creek near roadside; on Chiles Pope Valley Road, 2 miles northwest of junction with Lower Chiles Valley Road. Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  CHSC102537  Amaranthus albus Lowell Ahart 2009-10-27 16473 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
  JEPS104566  Amaranthus albus Jake Ruygt 1978-8-7 391 Napa .3 miles west of Big Ranch Road on Oak Knoll Ave. 22 Comment
  CHSC103021  Amaranthus blitoides Lowell Ahart 2009-10-12 16469 Napa Along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD148568  Amaranthus blitoides Jake Ruygt 2001-10-22 4347 Napa Napa County; Dry Creek at Solano Avenue. 28 Comment
  CHSC102259  Amaranthus californicus Lowell Ahart 2009-10-27 16474 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
  POM226226  Amaranthus powellii J. T. Howell 1933-9-17 11667 Napa North of Vallejo Comment
  UC1199257  Ambrosia psilostachya Joseph P. Tracy 1940-10-27 16796 Napa by roadside near Suscol 15 Comment
  CAS-BOT-BC136739  Amelanchier utahensis Alice Eastwood 1922-5-5 11293 Napa Mt. St. Helena Comment
  CAS-BOT-BC136745  Amelanchier utahensis John Thomas Howell 1940-5-19 15446 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC136746  Amelanchier utahensis John Thomas Howell 1940-5-19 15447 Napa Upper St. Helena Creek Comment
  JEPS45149  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 a Napa Howell Mt. grade; Napa River Basin Comment
  UCD167279  Ammannia robusta Jake Ruygt 2006-9-5 5097 Napa Conn Creek northwest of confluence with Rector Creek. 30 Comment
  JEPS16024  Ammi majus W. L. Jepson Sep 23 1893-Sep 25 1893 14204 Napa Yountville Comment
  JEPS8339  Ammi majus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-9 4752 Napa just n. of city limits Napa (ca. 1/4 mi. w. of northern end of Jefferson St.) 18 Comment
  JEPS106984  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s. n. Napa on both sides of Dry Creek Road about 100 yds E of the interection with Wall Road, about five mi W of Oakville (just N of Yountville) Comment
  JEPS2725  Amorpha californica var. napensis W. L. Jepson 1916-8-6 6834 Napa Moore Creek Howell Mt. 548 Comment
  UC1199060  Amorpha californica var. napensis Joseph P. Tracy 1933-6-2 12467 Napa 5 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 457 Comment
  RSA92931  Amorpha californica var. napensis P. H. Raven 1951-8-19 s.n. Napa Near Lokoya. 488 Comment
  CHSC25143  Amsinckia intermedia J. E. Beitler 1970-4-12 18 Napa St. Helena. Located ca. 20 yds. N.E. of conversion dam and 15 yds. W. of Spring Mountain Mountain Road. Comment
  UCD161230  Amsinckia intermedia Jake Ruygt 2010-3-27 5494 Napa Silverado Trail north of Skellinger Lane. (Coordinates estimated by label maker at UC Davis). 56 Comment
  JEPS61120  Amsinckia intermedia Willis L. Jepson 1893-1 21081 Napa Angivins Meadows; Napa River Basin, Howell Mountain, Napa Range Comment
  RSA0089449  Amsinckia intermedia A. A. Heller 1938-5-14 15093 Napa On the hills west of Napa on the highway to Shellville. Comment
  UC1094055  Amsinckia intermedia Francia Chisaki 1954-4-15 592 Napa 2.4 mi n of crossing with Hwy #29 on Silverado Trail Comment
  UC1094056  Amsinckia intermedia Francia Chisaki 1954-4-15 591 Napa about 1 mi s of entrance to State Hospital on Highway #29 Comment
  CHSC83407  Amsinckia lunaris L. P. Janeway; B. Castro 2002-5-12 7531 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS105674  Amsinckia lunaris L. P. Janeway, B. Castro 2002-5-12 7531 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road 506 Comment
  UCD170158  Amsinckia menziesii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 780 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 445 Comment
  CAS-BOT-BC26969  Amsinckia vestita Alice Eastwood 1922-5-4 11260 Napa Calistoga Comment
  UCD117759  Anagallis arvensis Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  UCD20819  Anagallis arvensis N. Nicola 2001-3-29 035 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  UCD35480  Anagallis arvensis Beecher Crampton 1957-4-15 3930 Napa Napa County; Vaca Mtns., Markley Canyon. 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
  SEINET5733575 Image available Anagallis arvensis Jane E. McBerty 1961-1 18 Napa On road to Pope Valley ca. 0.5 mi. from State Hwy 128.; Pope Valley 152 Comment
  SEINET200985 Image available Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  UCD127211  Angelica californica Glen Holstein 1977-5-11 s.n. Napa Along State Highway 121, 0.5 mile south of intersection with Wooden Valley Road. Comment
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  CAS-BOT-BC273165  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  UCD117789  Anisocarpus madioides Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, where main meadow and forest meet. 387 Comment
  SBBG8596  Anisocarpus madioides H. and M. Dearing 1939-5-1 3241 Napa St Helena Comment
  JEPS14068  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  UC1197333  Anthriscus caucalis Joseph P. Tracy 1938-5-31 15748 Napa near St. Helena (at Bale Mill); Northern Coast Ranges 91 Comment
  UCD63860  Antirrhinum cornutum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  RSA430676  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creek; at an area reached by traveling private vineyards roads at end of Barnett Road (1.9 miles from start). Comment
  JEPS83372  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 331 Napa just n Walter Springs Road intersection with Pope Canyon Road (3.2 mi e of Hardin Road, on n side of gravel road to Walter Springs, roadcut above Pope Creek); Walter Springs Quad. (7.5', 1959) 182 Comment
  JEPS5291  Antirrhinum virga W. C. Blasdale 1916-5-31 Napa Atlas; Napa Range Comment
  RSA470387  Apiastrum angustifolium J. T. Howell 1931-4-19 6457 Napa Conn Valley. Comment
  UCD126299  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon. Comment
  UCD126301  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD33220  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  CAS-BOT-BC392030  Aquilegia eximia John Thomas Howell 1933-8-27 11636 Napa Sage Canyon, Napa Range Comment
  UC1196199  Aquilegia eximia Joseph P. Tracy Jul 2 1899-Jul 5 1899 353 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. Comment
  UC1125888  Aquilegia formosa B. Schreiber 1936-5-3 2203 Napa 1.2 mi w Calistoga; Calistoga quad 152 Comment
  HSC83430  Arbutus menziesii R. Robichaux 1975-5-18 122 Napa 3.5 mi. W of Oakville 274 Comment
  CAS-BOT-BC409911  Arceuthobium campylopodum John Thomas Howell 1926-10-3 2204 Napa Mt. St. Helena Comment
  HSC7610  Arctostaphylos canescens C. B. Wolf 1928-2-25 1503 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  CAS-BOT-BC23953  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-10-3 2199 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC23978  Arctostaphylos canescens subsp. canescens H. E. McMinn 1926-1-2 1629 C Napa Trail up Mt. St. Helena Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  POM197361  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit Mt. St. Helena. Comment
  POM367245  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa Mt. St. Helena grade. 549 Comment
  UC1424918  Arctostaphylos canescens subsp. canescens Gary D. Wallace 1974-12-23 1346 Napa along Hwy 29 just n Robert Louis Stevenson State Park (se of Mt. St. Helena) 609 Comment
  UCD148752  Arctostaphylos canescens subsp. canescens Jake Ruygt 2008-5-3 5319 Napa Napa County; Mt. St. Helena along fire trail, south side. 990 Comment
  CAS-BOT-BC24863  Arctostaphylos glandulosa subsp. cushingiana Gertrude Raven Hardman 1967-12-25 s.n. Napa Pope Valley Comment
  RSA626916  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24802 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  CAS-BOT-BC23148  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  JEPS106418  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1986-3-16 1654 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 463 Comment
  JEPS49536  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1938-9-28 19043 Napa La Jota Mesa, Howell Mt. Comment
  SJSU11107  Arctostaphylos glandulosa subsp. glandulosa E. C. Garbett 1961-4-15 298 Napa Veeder Rd near Oakville Comment
  UCD73846  Arctostaphylos glandulosa var. cushingiana Ellen Dean; S. Rae 2008-5-21 4981 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 267 Comment
  POM264995  Arctostaphylos manzanita I. L. Wiggins 1928-3-24 2861 A Napa Grade on old road to Lake Co. above Calistoga. Comment
  UCD20734  Arctostaphylos manzanita Ellen Dean; w/ Mark Bibbo 2002-6-17 1097 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along ridge trail that connects Dead Man's Hill and East Road, east of junction with North Decker Canyon Rd. 350 Comment
  UCD23605  Arctostaphylos manzanita Rodney Gale Myatt 1971-9-15 982 Napa Robert Louis Stevenson State Park. Along Hwy 29, just southeast of Mt. St. Helena. 609 Comment
  UCR43195  Arctostaphylos manzanita L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  CDA38702  Arctostaphylos manzanita T. C. Fuller 1962-3-27 7892 Napa Road to Lake Berryessa (Hwy 37), 3.8 miles north of Wooden Valley. 0 Comment
  CAS-BOT-BC38919  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1926-3-21 s.n. Napa Mt. St. Helena, along trail to summit. Comment
  UCD73423  Arctostaphylos manzanita subsp. glaucescens Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC24279  Arctostaphylos manzanita subsp. manzanita L. R. Abrams 1916-7-2 5771 Napa Near Saint Helena Sanitarium. Comment
  CAS-BOT-BC24282  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-2-23 s.n. Napa Howell Mt. Napa River Basin. Comment
  CAS-BOT-BC38737  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1922-3-26 11113 Napa Mt. St. Helena Comment
  CAS-BOT-BC38768  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1926-3-21 1740 Napa Old toll road to Mt. St. Helena Comment
  JEPS122805  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5109 Napa Howell Mtn Road, 0.2 mi SW of Conn Valley Road. QUAD: St. Helena. Comment
  JEPS122811  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5110 Napa Silverado Trail about 1/4 mile north of Clover Flat Road. QUAD: Calistoga. Comment
  JEPS38708  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1898-1-4 14715 Napa Howell Mt. Howell Mt. (near type locality) Comment
  JEPS78437  Arctostaphylos manzanita subsp. manzanita Edward Lee 1936-3-15 1804 Napa 3/4 mi out Rutherford (Rutherford-Pope Valley road); Rutherford-Pope Valley road Comment
  RSA181902  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa Glass Mt., near St. Helena. Comment
Read comments
Sep 3 2012
  UC549540  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 641 Napa Mt. St. Helena Comment
  UC549555  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 642 Napa Mt. St. Helena Comment
  UC909842  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 646 Napa Mt. St. Helena Comment
  UCD95691  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7037 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  UCD95921  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7055 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  JEPS38739  Arctostaphylos manzanita subsp. manzanita Willis L. Jepson 1896-2-22 14711 Napa foothills Napa River Basin, Howell Mt. Grade Comment
  SEINET3094066 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-BC43832  Arctostaphylos stanfordiana H. E. McMinn 1922-6-8 173 Napa Howell Mt. Comment
  CAS-BOT-BC43857  Arctostaphylos stanfordiana Alice Eastwood; John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade Comment
  CAS-BOT-BC43872  Arctostaphylos stanfordiana John Thomas Howell 1930-7-13 5356 Napa edge of the Crater Country Comment
  UC1198657  Arctostaphylos stanfordiana Joseph P. Tracy 1942-2-23 17057 Napa Wooden Valley Rd 4 mi ne Napa City (along creek); Sarco Creek 91 Comment
  UC205094  Arctostaphylos stanfordiana Katharine Brandegee Napa St. Helena Comment
  UC402905  Arctostaphylos stanfordiana Mrs. H. P. Bracelin 1930-3-23 Napa flanks of mt. 1 1/2 mi se Mt. St. Helena Inn; Mt. St. Helena Comment
  UC571224  Arctostaphylos stanfordiana H. L. Mason 1925-1-22 1202 Napa Wooden Valley Grade Comment
  UC571226  Arctostaphylos stanfordiana H. L. Mason 1926-1-2 2611 Napa Toll House Canyon Mount St. Helena Comment
  UC876544  Arctostaphylos stanfordiana Lewis S. Rose 1939-4-16 39071 Napa 4 mi ne Napa 198 Comment
  UCD53856  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 miles southwest of Angwin. 243 Comment
  UCD53865  Arctostaphylos stanfordiana Charles B. Heiser Jr. 1947-2-18 1884 Napa Between Napa and Monticello, crest of first ridge. Comment
  SEINET11977845  Arctostaphylos stanfordiana A. E. Wieslander 1936-1 713 Napa Mount Saint Helena 610 Comment
  CHSC106019  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeschch 2007-8-7 Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville Grade' road, ca. 3 miles north from Yountville. UTM: 10S, 649329, 4251184. 205 Comment
  RSA123384  Arctostaphylos stanfordiana subsp. stanfordiana A. E. Wieslander 1934-2-24 365 Napa Spring Mountain. 640 Comment
  RSA293482  Arctostaphylos stanfordiana subsp. stanfordiana C. W. Tilforth 1979-7-22 1854 Napa Along Wooden Valley Rd., north-east of Napa. Comment
  UCD52448  Arctostaphylos viscida Bill Wengeler 1995-4-16 s.n. Napa Approx. 4 mi. W. of junction with Hwy. 121 along Hwy. 128. 201 Comment
  UCD52450  Arctostaphylos viscida Beecher Crampton 1970-4-15 8560 Napa north end of Capell Valley, State Hwy.128. 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-BC47450  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-5-5 11296 Napa Mt. St. Helena Comment
  CAS-BOT-BC47454  Arctostaphylos viscida subsp. viscida H. E. McMinn 1922-6-8 198 Napa in Pope Creek Canyon Comment
  RSA13738  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
Read comments
Sep 12 2013
  RSA339719B  Aristolochia californica F. R. Fosberg 1967-9-10 48642 Napa Near Haven place above St Helena Comment
  UC504869  Aristolochia californica R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UC6152  Aristolochia californica Mrs. D. O. Hunt 1899-2-27 Napa roadside near Lyman's Meadow, St. Helena St. Helena, Lyman's Meadow Comment
  UC917133  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa 8.6 mi. w. Winters (n. bank of Putah Creek); Putah Creek Comment
  UCD38611  Arnica discoidea Beecher Crampton 1956-5-25 3484 Napa Howell Mtns. Comment
  JEPS37057  Artemisia douglasiana W. L. Jepson 1939-9-12 19483 Napa w of St. Helena; Spring Mountain Comment
  UCD163270  Aspidotis densa D. Slakey; CNPS Volunteers 2015-4-25 115 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  RSA51342  Astragalus breweri P. H. Raven 1950-5-6 2022 Napa Sulpher flats and hot spring near Old Faithful Geyser N. of Calistoga. 183 Comment
  UC424857  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  CAS-BOT-BC178626  Astragalus clevelandii Edward Lee Greene 1883-8-1 s.n. Napa N. side of Mt. St. Helena Comment
  JEPS107253  Astragalus clevelandii Jake Ruygt 1991-6-29 2756 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  UCD38569  Astragalus gambelianus Beecher Crampton 1956-5-25 3448 Napa Vaca Mtns., Markley Canyon. Comment
  UCD35292  Astragalus gambelianus Beecher Crampton 1955-4-7 2432 Napa Napa County; 7.8 miles north of Monticello. Comment
  JEPS107249  Astragalus rattanii var. jepsonianus Jake Ruygt 1982-4-25 1205 Napa Walter Springs bridge on Pope Canyon Rd. 179 Comment
  UCD75827  Astragalus rattanii var. jepsonianus Jake Ruygt 1998-4-18 3912 Napa west end of new Walter Springs bridge. 176 Comment
  CAS-BOT-BC17532  Athysanus pusillus Carl B. Wolf 1928-5-3 1831 Napa Base of Mount St. Helena. Comment
  SACT000360  Avena barbata John Willoughby 1977-4-20 Napa near latitude of Mount Vaca, along road leading to property of M Toponce. 609.6 Comment
  UCD38526  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford. Comment
  SEINET3919714  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford.; 0 Comment
  CAS-BOT-BC106728  Baccharis salicifolia Peter H. Raven 1951-5-6 2811 Napa Conn Cr. 2.5 miles from Rutherford to Conn Dam 48 Comment
  JEPS104527  Balsamorhiza macrolepis Jake Ruygt 1981-4-20 988 Napa American Canyon east of Flosden Rd. 152 Comment
  CAS-BOT-BC16529  Barbarea orthoceras Peter H. Raven 1953-5-2 5408 Napa Rector Creek. 396 Comment
  CAS-BOT-BC16531  Barbarea orthoceras Peter H. Raven 1951-6-10 2926 Napa Center Region east of Palisades. 762 Comment
  JEPS106777  Barbarea orthoceras Jake Ruygt 1986-1-29 1626 Napa .4 miles south of Oak Knoll Ave. on Silverado Trail 21 Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  JEPS11297  Bellardia trixago W. L. Jepson 1921-5-6 9195 Napa w of Napa (on Sonoma road) Comment
  RSA195297  Bellardia trixago Gilbert Muth 1967-5-17 676 Napa Oat Hill Road, Calistoga. 256 Comment
  HSC83367  Bellardia trixago Nancy J. Hull 1974-5-19 102 Napa State Hwy. 12, 5 mi. W of Jct. with Hwy. 80 15 Comment
  JEPS47706  Berberis aquifolium Willis L. Jepson 1893-5-3 Napa near Toll-house (Middleton grade); Mt. St. Helena Comment
  PASA1885  Boisduvalia densiflora Frank W. Peirson 1928-7-4 Napa Summit of St. Helena Grade Comment
  JEPS110704  Boisduvalia glabella Jake Ruygt 1981-7-31 1084 Napa Soscol Plain 4 Comment
  UCD140006  Bolboschoenus glaucus G. F. Hrusa; S. Larson 1995-4-10 12061 Napa Along Pope Valley Rd. approx. 1 mile east of intersection of Pope Valley-Chiles Valley Road and Pope Canyon Road. 180 Comment
  CAS-BOT-BC31394  Bolboschoenus robustus John Thomas Howell 1932-10-8 10807 Napa Tidal flat at Cuttings Wharf on Napa River. Comment
  CAS-BOT-BC31395  Bolboschoenus robustus Walter Knight; Irja Knight 1978-11-5 3333 Napa Duttons Landing. End of Green Island Road. Comment
  UCD159930  Brachypodium distachyon Alice Warrick 2007-4-26 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43-1. 243 Comment
  UCD81828  Brachypodium distachyon Ellen Dean 2009-4-24 5455 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  JEPS53245  Brassica nigra W. L. Jepson 1894-11-1 59 E Napa Napa, fields to the south Napa Comment
  UCD16049  Brassica nigra C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 26 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb 12-24 m tall, flowers yellow. 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
  UCD57403  Briza minor Beecher Crampton 1956-5-25 3475 Napa Southeast Capell Valley. Comment
  CAS-BOT-BC484194  Brodiaea elegans var. elegans James L. Reveal 1987-6-7 6407 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 243 Comment
  RSA734159  Brodiaea laxa Keith E. Hoffmaster 1946-3-23 1206 Napa Napa range, along Napa-Monticello road Comment
  RSA785743  Brodiaea laxa Carrie A. Herd 1982-5-9 96 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  JEPS110911  Brodiaea leptandra Jake Ruygt 2003-6-7 4537 Napa Mt. George/Foote Botanical Preserve 268 Comment
  CAS-BOT-BC486434  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1938-5-15 5517 Napa Myrtledale Hot Springs Comment
  SEINET10839784  Bromus arvensis Ana Maria Planchuelo 1980-1 Planchuelo 508 Napa Route 128 between winters and rutherford. Comment
  UCD60199  Bromus catharticus var. elatus Peter H. Raven 1957-5-5 10788 Napa Calistoga. 91 Comment
  UCD58447  Bromus commutatus Beecher Crampton 1962-5-16 6425 Napa 1 mile E of Aetna Springs. Comment
  UCD59484  Bromus diandrus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3548 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  HSC26182  Bromus hordeaceus J. P. Smith, J. O. Sawyer 1970-5-17 3777 Napa 3 mi. S of Pope Valley Comment
  CAS-BOT-BC155329  Bromus laevipes Peter H. Raven 1951-6-26 3082 Napa Cappell Valley. 365 Comment
  JEPS123004  Bromus laevipes Jake Ruygt 1987-5-9 1972 Napa 1 mile east of Atlas Peak Road on Monticello Road. Quad: Mount George. Comment
  CAS-BOT-BC161829  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa. Cemetary. Comment
  POM262786  Bromus rubens J. C. Roos 1939-4-28 261 Napa Angwin, Howell Mtn. Comment
  SACT001003  Bromus rubens John Willoughby 1976-3-25 Napa West side of range, a few hundred feet below ridge, near latitude of Mount Vaca, above head of Seventy Acre Canyon, chaparral. Comment
  UCD148808  Bromus rubens Ellen Dean; Diana Hickson 2014-4-29 8115 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD168568  Bromus sterilis Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD73441  Bromus sterilis 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
  UCD48083  Calandrinia breweri B. Takahashi; S. Burgess, A. Ryan, J, Pierner, A. Hufton 2000-4-29 3 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  JEPS128910  Calandrinia ciliata Jake Ruygt 1994-3-7 2996 Napa Lewelling Ranch, west end of Lewelling Lane, Saint Helena. Rutherford 7.5' Quad. Comment
  UC1103688  Callitriche marginata J. P. Tracy 1902-5-21 1626 Napa Head of Moore's Creek, 3 to 4 miles east of Angwin's; Howell Mountain 518 Comment
  POM137263  Callitriche verna C. F. Baker 1903-4-19 1998 Napa St. Helena Comment
  UC130972  Calochortus amabilis Katharine Brandegee 1909-6-1 Napa Pope Valley Grade from Calistoga Comment
  UCD48260  Calochortus amabilis B. Takahashi; S. Burgess, A. Ryan, J. Pierner, A. Hufton 2000-4-29 1 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  UCD14848  Calochortus amabilis Matt Gause 1991-6-2 21 Napa 5.8 mi. out of Napa along Highway 121. 152 Comment
  UCD139528  Calochortus luteus A. Amezcua 1995-5-26 25 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  UCD139530  Calochortus luteus J. Buck 1996-6-2 23 Napa at Hennessey Lake along Highway 128, in field near the boat. 48 Comment
  HSC43973  Calochortus luteus Robert M. Specht 1977-4-27 800 Napa N side of Morgan Valley Rd. 622 Comment
  SEINET8197377  Calochortus luteus W. Roderick 1967-5-20 s.n. Napa Snell Valley. 457 Comment
  UC1103467  Calochortus tolmiei J. P. Tracy 1899-6-10 447 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  CAS-BOT-BC483609  Calochortus tolmiei Betty H. Johnson 1958-6-8 596 Napa Near St. Helena River, 6.4 SW of Middletown Comment
  JEPS113985  Calochortus uniflorus Jake Ruygt 1999-5-10 4151 Napa Snell Valley near Stagecoach Canyon Road. Aetna Springs 7.5' Quad. Comment
  JEPS61742  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley Napa Range 914 Comment
  UC843712  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  CAS-BOT-BC496927  Calochortus vestae Betty H. Johnson 1958-6-15 630 Napa 6.4 miles southwest of Middletown Comment
  JEPS129050  Calycadenia fremontii Jake Ruygt 2016-7-23 6295 Napa Smittle Creek, west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD161587  Calycadenia micrantha Jake Ruygt 2008-5-10 5328 Napa Buzzard's Roost, east of Stags Leap, Napa Range. (Coordinates converted from UTM data by label maker.) 480 Comment
  JEPS38548  Calycadenia multiglandulosa W. L. Jepson 1944-7-30 27542 Napa flat below Four Corners, Howell Mt., Napa Valley Napa Valley, Howell Mt. Comment
  UCD129846  Calycadenia pauciflora Gerald D. Carr 1972-8-21 729 Napa 3.0 miles northeast of Chiles and Pope Valley Road on Pope Canyon road. 182 Comment
  CAS-BOT-BC270820  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 0.25 mile W of Berryessa - Knoxville Road on Highway 128 Comment
  CAS-BOT-BC270823  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 ? Napa 0.8 mile NW of Knoxville on Morgan Valley Road 457 Comment
  CAS-BOT-BC270827  Calycadenia pauciflora G. D. Carr 1971-9-20 672 Napa 0.8 mile NW of Knoxville Road 458 Comment
  CAS-BOT-BC270831  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles S of Snell Valley Road 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
  UCD129909  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mile northwest of Knoxville on Morgan Valley Road. 457 Comment
  CAS-BOT-BC271552  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271553  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa Base of hills east of town, St. Helena Comment
  CAS-BOT-BC271557  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  RSA31986  Calycadenia truncata subsp. truncata A. A. Heller 1941-9-22 16317 Napa Roadside bank 1 mile north of Yountville. Comment
  CAS-BOT-BC90956  Calycanthus occidentalis W. L. Jepson 1891-7-7 s.n. Napa In the Vaca Mountains. Comment
  CAS-BOT-BC90960  Calycanthus occidentalis John Thomas Howell 1927-8-23 3041 Napa Sage Canon [Canyon] in Napa Range east of Rutherford. 91 Comment
  POM340802  Calycanthus occidentalis F. R. Fosberg 1967-9-10 48645 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  RSA602914  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  SBBG2304  Calycanthus occidentalis E. R. Blakley 1956-12-23 2016 Napa base of Linda Falls, Angwin 426 Comment
  UC126481  Calycanthus occidentalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7133 Napa Alta Loma Ranch; Howell Mountain 487 Comment
  UC1536921  Calycanthus occidentalis Gordon H. True Jr. 1937-6-21 731 Napa near Lokoya Lodge 365 Comment
  UCD137805  Calycanthus occidentalis J. Good 1998-6-2 28 Napa Highway 128. Three miles west of Monticello dam and 500 yards up the dirt road behind Markley Cove. Comment
  UCD137901  Calycanthus occidentalis Andrew T. Leiser 1965-6-1 s.n. Napa Napa Mountains. Comment
  UCD170556  Calycanthus occidentalis D. O. Burge 2017-8-19 2284 Napa Lake Hennessey area, roadside on California State Route 128. 67 Comment
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  JEPS31598  Calystegia collina subsp. oxyphylla W. L. Jepson 1924-4-27 10381 Napa e Mt. St. Helena; e of Mt. St. Helena Comment
  SEINET5741986 Image available Calystegia occidentalis Midori J. Minabe 1971-1 70 Napa Ca. 2 miles SW of Solano County line on Route 128 and ca. 0.5 mile north (?) on dirt road, south of Lake Berryessa.; Lake Berryessa Comment
  UC23153  Calystegia purpurata Willis L. Jepson 1894-5-3 Napa St. Helena , St. Helena (Napa River Basin) Comment
  UCD48863  Calystegia purpurata K. Mogel; B. Pekin and M. Higley 2002-5-4 18 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the upper road that leads to the power lines; on side of road. 335 Comment
  JEPS31634  Calystegia purpurata W. L. Jepson 1938-5-24 18854 Napa betw. Sanitarium and Four Corners (Howell Mtn.); , betw. Sanitarium and Four Corners Comment
  JEPS47832  Calystegia subacaulis Willis L. Jepson 1893-4-24 14524 Napa Hills easr of St. Helena to Conn Valley, Napa River Basin Comment
  CDA24737  Camelina sativa P. B. Kennedy 1922-5-5 Napa Napa. 0 Comment
  UCD20460  Camissoniopsis hirtella B. Takahashi; w/ S. Burgess, A. Ryan, A. Hufton, and J. Pierner 2000-4-29 s.n. Napa Yolo County/ Napa County line: McLaughlin UC Reserve. One 'as the crow files' mile N of old town of Knoxville. 609 Comment
  UC20482  Camissoniopsis hirtella Willis L. Jepson 1892-7 Napa near Knoxville Comment
  SEINET10463865  Campanula angustiflora Lincoln Constance 1946-5-18 Constance 3045 Napa Southeast slope of Mount St. Hellena, near the old inn Comment
  JEPS106558  Campanula griffinii Jake Ruygt 1995-4-17 3431 Napa end of Niebaum Rd., Bear Canyon. 100 Comment
  UC168960  Campanula prenanthoides Joseph P. Tracy 1905-7-6 2223 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  CAS-BOT-BC37858  Cardamine oligosperma Peter H. Raven 1953-3-29 5216 Napa Hills east of Imola. 121 Comment
  RSA369339  Cardamine tenella Dr H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  HSC33343  Cardaria chalepensis William J. Ferlatte 1972-4-18 1678 Napa Hwy. 128 at mile post 18.19, 0.8 mi. W of junction with Berryessa-Knoxville Rd., N of road 305 Comment
  CDA6877  Carduus pycnocephalus T. C. Fuller 1958-5-1 Napa 2 miles north of Calistoga. 0 Comment
  CDA6878  Carduus pycnocephalus T. C. Fuller 1959-5-15 2432 Napa Fanner property, Sanitarium area. 0 Comment
  CDA6880  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 Napa State Highway 53 to Middletown, 2.5 miles north of Calistoga. 0 Comment
  UCD19933  Carduus pycnocephalus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 791 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 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
  CAS-BOT-BC281733  Carduus pycnocephalus Ernest L. Place 1946-4-30 s.n. Napa St Helena Sanitarium Comment
  RSA156058  Carduus pycnocephalus Peter H. Raven 1962-5-31 17922 Napa 3.8 miles north of junction of State Hwy. 37 with road to Fairfield Comment
  RSA195342  Carduus pycnocephalus Gilbert Muth 1967-5-19 699 Napa Milliken Dam. 335 Comment
  UCD85577  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 -58 Napa State Highway 53, 2.5 miles north of Calistoga. Comment
  UCD85855  Carduus pycnocephalus Peter H. Raven 1950-5-6 2007 Napa West branch of the Napa River where it meets Rt. 29 approximately 1 mile north of Calistoga. 91 Comment
  CAS-BOT-BC281786  Carduus tenuiflorus John H. Thomas 1955-5-21 5123 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD161334  Carex densa Jake Ruygt 1982-4-25 1204 Napa Large meadow at base of Swartz Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  UCD167142  Carex densa Jake Ruygt 2015-5-2 6087 Napa West of Buck Mountain near Nevada. 599 Comment
  UCD73493  Carex densa Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC18901  Carex densa Betty H. Johnson 1958-6-20 646 Napa At Mt. Mill House, 6.4 miles SW of Middletown. Comment
  JEPS121350  Carex dudleyi Jake Ruygt 2006-4-15 4980 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  RSA88793  Carex dudleyi L. S. Rose 1935-6-4 35205 Napa E. slope Mt. St. Helena Comment
  SEINET7558576 Image available Carex feta Wilhelm N. Suksdorf 1913-7-28 7071 Napa North of Napa. Comment
  UC1103568  Carex multicaulis J. P. Tracy 1902-5-18 1545 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek); Head Moore's Creek, Howell Mountain 487 Comment
  CAS-BOT-BC119519  Carex nudata Ira L. Wiggins 1932-3-12 5753 Napa Rocky bed of N fork of Napa River, 1 mi N of Calistoga. Comment
  JEPS81260  Carex nudata Edward Lee with A. Carter and E. Crum 1936-3-15 1807 Napa 8 mi out Rutherford (on Rutherford-Pope Valley road) Comment
  UCD140693  Carex nudata G. F. Hrusa 1996-4-20 12823 Napa draining the Palisades from Cub Valley. MonteSol Ranch. 550 Comment
  RSA155418  Carex nudata L. S. Rose 1961-3-30 61024 Napa Lake Hennessy. 61 Comment
  SEINET10711635  Carex nudata Wilhelm N. Suksdorf 1913-7-28 Suksdorf 713 Napa In shade near the water of the Napa River. Comment
  UCD161614  Carex nudata Jake Ruygt 2002-3-23 4370 Napa Snell Valley, Missimer Wildflower Preserve. 219 Comment
  JEPS121326  Carex praegracilis Jake Ruygt 1992-7-4 3059 Napa Wild HOrse Valley RAnch, between Leoma and Mitten Lake. Comment
  SEINET10847050  Carex teneriformis Lewis S. Rose 1935-6-4 Rose 35206 Napa E. slope Mt. St. Helena. Comment
  JEPS129076  Carex tumulicola Jake Ruygt 2016-4-12 6185 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD161634  Carex tumulicola Jake Ruygt 2005-3-20 4707 Napa Alston Park, Dry Creek Road, Napa. 45 Comment
  UCD164754  Carex tumulicola Jake Ruygt 2014-5-19 5949 Napa Sutro Ranch, Atlas Peak. 722 Comment
  UCD49258  Castilleja affinis Kook-Hyun Chung 2001-4-28 5 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft.) NW of jct with South Decker Canyon Rd.; downslope of road ca. 20 m. 242 Comment
  HSC20481  Castilleja affinis Greg Bos 1963-3-3 25 Napa W shore lake Berryesa, west slope 457 Comment
  RSA128552  Castilleja affinis Peter H. Raven 1952-5-26 4071 Napa E. side Wooden Valley Grade. 305 Comment
  RSA505374  Castilleja affinis R. C. Bacigalupi, Jon Dawson 1955-4-25 4843 Napa Along Conn Creek road, about 0.75 mile below (w. of) Lake Hennessey Dam. 79 Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS8498  Castilleja affinis subsp. affinis W. L. Jepson 1893-3-13 21480 Napa Saint Helena, lower slopes of Howell Mountain Howell Mountain Comment
  JEPS88824  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-6-23 7833 Napa 1.3 mi sw Highway 121 junction with Wooden Valley Road (on Highway 121) Comment
  UC1334851  Castilleja ambigua subsp. ambigua L. D. Thurman 1964-4-24 427 Napa 5.5 mi n Napa (Silverado trail) Comment
  UC1001194  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5395 Napa Summit of hills due e. of Yountville Comment
  JEPS4836  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1953-5-26 4127 Napa 1.7 mi s (below) State Highway 29 from Calistoga to Middletown road summit (along State Highway 29) 487 Comment
  JEPS5194  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1953-5-27 4168 Napa at s city limit of Calistoga, at roadside of main Napa Valley Highway Calistoga 102 Comment
  JEPS66536  Castilleja applegatei subsp. martinii John F. Emmel 1971-4-17 343 Napa just above Butts Canyon Road and Snell Valley Road junction 219 Comment
  SEINET13772588  Castilleja exserta R. R. Halse 1989-1 3834 Napa Along State Hwy 28, on the Calistoga Grade, 2.7 miles N of Calistoga. 240 Comment
  UCD170444  Castilleja exserta Daniel Potter; Ninh Khuu 2017-5-14 916 Napa Knoxville Wildlife Area, along Nevada Creek. 355 Comment
  SEINET903093  Castilleja exserta Richard R. Halse 1989-1 3834 Napa Along State highway 28, on the Calistoga Grade, 2.7 miles north of Calistoga. 240 Comment
  UCD48224  Castilleja foliolosa R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 7 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD48226  Castilleja foliolosa C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 16 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  JEPS86591  Castilleja minor subsp. spiralis L. R. Heckard with Jake Ruygt 1987-5-10 6659 Napa ca 0.25 mi ne Quarry (ne of Vallejo); American Canyon Ridge Comment
  UC147875  Castilleja minor subsp. spiralis J. P. Tracy 1905-7-6 2231 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCR44913  Castilleja minor subsp. spiralis L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  SBBG7065  Castilleja rubicundula subsp. lithospermoides H. and M. Dearing 1939-5-3 3273 Napa Napa County [no specific locality] Comment
  JEPS129060  Caulanthus flavescens Jake Ruygt 1993-5-1 3242 Napa Pocock Creek, north of Cedar Creek Road. Jericho Valley 7.5' Quad. Comment
  SEINET13946230 Image available Ceanothus Joseph Andorfer Ewan 1934-1 8862 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade. Comment
  CAS-BOT-BC48943  Ceanothus cuneatus H. E. McMinn 1925-1-24 1392 Napa Along road from summit of Wooden Valley grade to Montecello Comment
  POM136486  Ceanothus cuneatus Alice Eastwood 1922-5-4 11281 Napa Mt. St. Helena. Comment
  RSA399087  Ceanothus cuneatus Bonnie C. Templeton 1957-6-26 s.n. Napa Between Calistoga and Petrified Forest Comment
  SACT002917  Ceanothus cuneatus John Willoughby 1976-6-4 Napa Collected near top of Mount Vaca, in chaparral. Young individual which germintaed following fire that occured here. Leaves toothed. Comment
  UC1607873  Ceanothus cuneatus C. G. Nast 1936-3-27 57 Napa Berryessa Valley Comment
  UCD111778  Ceanothus cuneatus Loren Ruport 1996-4-14 9 Napa City of Napa, near Napa College South of Kaiser Road and West of Highway 129. 5 Comment
  UCD170665  Ceanothus cuneatus 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. 200 Comment
  UCD19322  Ceanothus cuneatus M. A. Bibbo; E. Dean 2001-7-6 14 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a W facing slope. 228 Comment
  UC18283  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-4-25 Napa trail to Caux's cabin. Napa River Basin Comment
  CAS-BOT-BC49113  Ceanothus cuneatus var. ramulosus Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa asylum Comment
  CAS-BOT-BC49789  Ceanothus divergens Walter Knight; Steve Edwards 1985-11-17 5186 Napa Kortum Canyon Road Comment
  CAS-BOT-BC49797  Ceanothus divergens John Thomas Howell 1941-4-5 16161 Napa Franz Valley Comment
  RSA32476  Ceanothus divergens Milo S. Baker 1939-02 s.n. Napa 1.5 miles west of Napa-Calistoga Hwy at a point 3/4 mile south of Connor Ranch Comment
  OBI10527  Ceanothus foliosus H. E. McMinn 1936-4-4 4378 Napa Howell Mt 2 mi S of Angwin Comment
  RSA127599  Ceanothus foliosus Peter H. Raven 1955-4-9 8264 Napa W slope of Howell Mt. 457 Comment
  RSA169356  Ceanothus foliosus L. S. Rose 1964-4-2 46018 Napa 2 miles SW of Angwin. 244 Comment
  RSA44294  Ceanothus foliosus E. G. Lovegrove 1946-4-28 s.n. Napa Near upper Mt. St. Helena Comment
  UC18326  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa below New Eden Howell Mt., Napa River Basin Comment
  UC229973  Ceanothus foliosus Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UC338441  Ceanothus foliosus Lemmon Napa Calistoga Comment
  UC79969  Ceanothus foliosus Katharine Brandegee 1889-4 Napa Mt. St. Helena Comment
  UCD73844  Ceanothus foliosus Ellen Dean; S. Rae 2008-5-21 4979 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 244 Comment
  SEINET13945880 Image available Ceanothus foliosus Lewis S. Rose 1964-1 64018 Napa 2 mi SW of Angwin alt. ca 800 ft 244 Comment
  CAS-BOT-BC50878  Ceanothus foliosus var. foliosus Ella Dales Cantelow 1939-4-8 2524 Napa 4 1/2 mi. s.w. of Pac Union College, Howell Mt. Comment
  CAS-BOT-BC50912  Ceanothus foliosus var. foliosus Paul F. Covel 1940-4-28 1705 Napa Grade near Sanatarium Comment
  CAS-BOT-BC50923  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  UC424875  Ceanothus incanus Milo S. Baker 1929-3-27 3423 b Napa North slope Mt. St. Helena along hwy Comment
  CAS-BOT-BC50791  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  UCD162738  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1625 Napa Butts Canyon Road, roadside. 222 Comment
Read comments
Dec 8 2016
  CAS-BOT-BC50634  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa Howell Mountain, on hills at head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  CAS-BOT-BC64976  Ceanothus jepsonii D. H. Wilken; E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Cyn Rd, ca 1.5 linear km S of jct with Snell Valley Rd. 315 Comment
  RSA399003  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Near Napa Comment
  UC796475  Ceanothus jepsonii Ira L. Wiggins 1949-4-30 12095 Napa near Lake County line (hillside along rd from Calistoga to Middletown) Comment
  RSA285632  Ceanothus jepsonii subsp. albiflorus D. C. Michener 1982-7-25 4115 Napa Pope Valley road 1 mile N of jct with lower Chiles Valley road, 5.2 miles SE of jct tiwh Pope Canyon road Comment
  JEPS110860  Ceanothus jepsonii var. albiflorus Jake Ruygt 1976-4-15 11 Napa 2.4 miles west of Butts Canyon Rd. on Aetna Springs Rd. 329 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
  UCD170123  Ceanothus oliganthus var. oliganthus Richard R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  CAS-BOT-BC51559  Ceanothus oliganthus var. sorediatus M. S. Jussel 1932-4-10 s.n. Napa St. helena, 10 miles N.E. Cliff Spring Comment
  JEPS110857  Ceanothus oliganthus var. sorediatus Jake Ruygt 1979-4-21 537 Napa Milliken Canyon 121 Comment
  SBBG4518  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  UCD112309  Ceanothus oliganthus var. sorediatus Beecher Crampton 1970-4-15 8563 Napa North end of Capell Valley State Hwy. 128. Comment
  UCD112326  Ceanothus oliganthus var. sorediatus J. E. Street 1950-4-24 s.n. Napa 8 miles north of Wooden Valley. 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-BC53177  Ceanothus parryi C. Hart Merriam 1915-6-19 s.n. Napa Ridge west of Napa (between Napa and Sonoma, above Sequoia Resort) 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
  RSA166764  Ceanothus parryi M. van Renselaer 1938-4-26 s.n. Napa Wooden Valley Grade 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
  UC79859  Ceanothus parryi Katharine Brandegee 1889-4 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  CAS-BOT-BC52178  Ceanothus purpureus Willis L. Jepson 1894-2-23 s.n. Napa Near New Eden, Howell Mt. Grade, Napa River Basin Comment
  CAS-BOT-BC52193  Ceanothus purpureus David D. Keck 1931-4-2 1013 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE. of Napa 170 Comment
  CDA11157  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11568 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
  CDA11160  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11572 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
Read comments
Jul 28 2008
  JEPS110728  Ceanothus purpureus Jake Ruygt 1987-3-21 1935 Napa ridge west of Circle Oaks 624 Comment
  JEPS42097  Ceanothus purpureus Willis L. Jepson 1893-9-21 14028 Napa Napa Range on Wooden Valley grade Napa River Basin Comment
  UC1281276  Ceanothus purpureus H. E. McMinn 1944-6-8 1385 D Napa Wooden Valley Comment
  UC870642  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  UCD123962  Ceanothus purpureus D. O. Burge and K. B. Schroeder 2008-3-7 978 c Napa South of Lake Hennessey, 1.8 road miles (2.9 km) south of SR 128 via unnamed road beginning directly south of the entrance to the Lake Hennessey Boat Launch Facility, 5.17 km 47 deg. (True) ENE of Oakville. 370 Comment
  UCD82600  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5538 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CDA35683  Ceanothus purpureus N. van Kleeck 1971-3-21 Napa East side of the Napa Valley. 0 Comment
  SEINET12209948  Ceanothus purpureus L. S. Rose 1937-1 37021 Napa Gorges N of Mt. George near Napa. Wooden Valley Grade, 6 mi NE of Napa 183 Comment
  JEPS110662  Ceanothus sonomensis Jake Ruygt 1991-4-5 2619 Napa 1/2 mile south of Hogback Mtn. along ridgeline 402 Comment
  UCD112700  Ceanothus sonomensis Heidi E. M. Dobson 1978-4-2 294 Napa East slope of Mt. Veeder. Comment
  UCD170429  Centaurea calcitrapa Daniel Potter; Daniel McNair 2016-4-23 922 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  SD129755  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley, north slopes of George Mountain. Alon Sarco Creek (?). 152 Comment
  RSA391524  Centaurium muehlenbergii Robert Gustafson, Don Reynolds 1983-6-7 2741 Napa Snell Valley Road, about one mile northeast from the junction of Butts Canyon Road. Comment
  CDA14310  Centaurium tenuiflorum W. Ogden 1998-7-6 s.n. Napa North Coast Biodiversity Arena; Pope Valley Rd. 0 Comment
  JEPS46939  Centaurium trichanthum W. L. Jepson 1938-9-24 19022 Napa canyon of Limekiln Creek Pope Valley 304 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
  UC22688  Centaurium trichanthum H. N. Bolander 1863-1 2652 Napa Pope Valley Comment
  JEPS46952  Centaurium trichanthum W. L. Jepson 1894-7-19 14635 Napa above Calistoga Comment
  JEPS81885  Centaurium trichanthum Roger Raiche 1982-7-25 20641 Napa Butts Canyon Road Comment
  UC73535  Centaurium venustum Miss M. Alice King Napa St. Helena Comment
  CAS-BOT-BC288607  Centromadia fitchii Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley Comment
  CAS-BOT-BC272825  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  CAS-BOT-BC272826  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  UC406892  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  CAS-BOT-BC279254  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 miles north of Vallejo Comment
  CAS-BOT-BC222945  Cephalanthus occidentalis H. E. McMinn 1922-8-2 360 Napa Putah Canyon Comment
  CAS-BOT-BC222946  Cephalanthus occidentalis H. E. McMinn 1922-6-8 208 Napa Along Pope Creek Comment
  JEPS110589  Cephalanthus occidentalis var. californicus Jake Ruygt 1991-7-20 2783 Napa Pope Creek at high water line of Lake Berryessa 131 Comment
  CAS-BOT-BC388229  Cerastium glomeratum Ira L. Wiggins 1928-3-25 2872 Napa 1 1/2 mi. N.E. of Calistoga 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
  CAS-BOT-BC179385  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Hwy 128, about 4.5 miles south of Monticello. 167 Comment
  CAS-BOT-BC179386  Cercis occidentalis H. E. McMinn 1922-6-8 206 Napa Along Pope Creek in the canyon (not in the upper flats) by Pope Valley. Comment
  UC1540471  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 mi se Monticello; Putah Creek Canyon Comment
  UCD145181  Cercis occidentalis Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-11 136 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation. 138 Comment
  SEINET6331974  Cercocarpus betuloides R. R. Halse 2013-3-27 8754 Napa Along State Hwy. 128 about 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  JEPS45534  Cercocarpus betuloides var. betuloides W. L. Jepson 1915-12-6 6583 Napa Howell Mountain Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena 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-BC284571  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Comment
  JEPS106931  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1980-4-22 856 Napa .7 miles northwest of Knoxville Rd. on Berryessa-Knoxville R 457 Comment
  POM203306  Chaenactis glabriuscula var. heterocarpha J. T. Howell 1931-4-19 6459 Napa Conn Valley. Comment
  CDA34673  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 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
  JEPS106425  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1978-10-22 425 Napa .3 miles north of Airport Rd., Sheehy Cr 6 Comment
  RSA769220  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  JEPS52333  Chamaesyce serpyllifolia W. L. Jepson 1894-11-5 13934 Napa near St. Helena; Napa River Comment
  UC1427385  Cheilanthes covillei Alan R. Smith with J. Eckenwalder 1974-5-1 656 Napa junction of Lower Chiles Valley Rd and State Hwy 128 Comment
  CAS-BOT-BC68160  Cheilanthes intertexta Peter H. Raven 1951-6-10 2921 Napa Crater Region e. of Palisades 762 Comment
  RSA769218  Chenopodium album L. Ahart 2009-10-27 16483 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters 130 Comment
  SBBG128613  Chenopodium album L. Ahart 2009-10-27 16483 Napa below the high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  CDA29723  Chenopodium ambrosioides M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 221 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
  JEPS106819  Chenopodium ambrosioides Jake Ruygt 1991-8-24 2835 Napa Napa River at Bale Lane 80 Comment
  JEPS106846  Chenopodium berlandieri Jake Ruygt 1998-8-26 4107 Napa Big Ranch Road about 1/2 mile south of El Centro Ave. 16 Comment
  JEPS58858  Chimaphila menziesii Willis L. Jepson 1894-7-19 14655 Napa Mt. St. Helena near Toll House; Napa R. Basin, Mt. St. Helena Comment
  UCD160735  Chlorogalum pomeridianum Ellen Dean 2015-5-23 8787 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  UC13725  Chlorogalum pomeridianum var. pomeridianum Willis L. Jepson July 1884 Napa Little Oak Comment
  UCD48272  Chlorogalum pomeridianum var. pomeridianum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 26 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC256932  Chorizanthe membranacea W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts Comment
  CAS-BOT-BC256933  Chorizanthe membranacea M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS110751  Chorizanthe membranacea Jake Ruygt 1996-4-12 3607 Napa Blue Ridge, north of Monticello Dam. Portuguese Canyon. 487 Comment
  JEPS110783  Chorizanthe membranacea Jake Ruygt 1988-5-29 2203 Napa between Adams Ridge and Mysterious Valley 536 Comment
  CAS-BOT-BC252840  Chorizanthe polygonoides var. polygonoides Catherine Best 1980-4-12 s.n. Napa Rocky area on Stage Coach Canyon Road about 3 1/2 miles NW of Waller's Springs Comment
  JEPS116818  Chorizanthe polygonoides var. polygonoides David Gowen 2009-4-24 998 Napa Robert Louis Stevenson State Park, southeast of summit of Hwy 29, in the Table Rock area. Comment
  CAS-BOT-BC36500  Chrysolepis chrysophylla Belle Richardson Jackson 1924-10-22 s.n. Napa Mt. St. Helena Comment
  JEPS122678  Cicuta maculata var. bolanderi Jake Ruygt 1986-7-23 1887 Napa East end Marina Drive, Napa. Quad: Napa. Comment
  UCD18073  Cirsium cymosum Ellen Dean; with Plant Biology 102 class 2000-4-22 628 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  JEPS59118  Cirsium douglasii var. douglasii Willis L. Jepson 1892-8-1 Napa Napa Valley Comment
  CDA1303  Cirsium occidentale var. californicum R. Lawley 1968-5-4 s.n. Napa Oakville Grade Rd. Comment
  CDA1306  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -C Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CAS-BOT-BC286576  Cirsium occidentale var. venustum Peter H. Raven 1950-6-20 2328 Napa St. Helena to Conn Valley, Napa Range 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
  CDA1541  Cirsium quercetorum M. Foskett 1976-5-4 s.n. Napa Lake Herman Sky Valley Ranch, E of Vallejo. 0 Comment
  JEPS106934  Cirsium quercetorum Jake Ruygt 1992-5-15 2967 Napa Wild Horse Valley Ranch, west of road north of polo field 487 Comment
  CAS-BOT-BC169768  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower Lake Road Comment
  RSA594918  Clarkia John H. Thomas 1955-5-21 5112 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  UC1299420  Clarkia amoena Freed W. Hoffman 1947-6-18 1649 Napa Pope Valley road North Coast Ranges Comment
  RSA292923  Clarkia amoena subsp. huntiana Reino Alava 1957-5-30 981 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  CAS-BOT-BC164628  Clarkia gracilis subsp. gracilis Peter H. Raven 1951-5-20 2842 Napa Hills w. Oakville 121 Comment
  RSA10703  Clarkia gracilis subsp. gracilis Carl B. Wolf 1928-5-3 1784 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS120373  Clarkia gracilis subsp. sonomensis Jake Ruygt 1998-6-13 4025 Napa Redwood Road at Mt. Veeder Road. Napa 7.5' Quad. Comment
  UCD81825  Clarkia gracilis subsp. sonomensis Ellen Dean 2009-4-24 5452 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC162479  Clarkia gracilis subsp. sonomensis Peter H. Raven 1951-6-10 2898 Napa Calistoga-Hanly's, Toll Rd., Mt. St. Helena 182 Comment
  JEPS110764  Clarkia gracilis subsp. tracyi Jake Ruygt 1980-6-22 939 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  UC1586100  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  CAS-BOT-BC163694  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 2819 Napa 4 mi. to Conn Dam from Rutherford 91 Comment
  CDA10887  Clarkia purpurea subsp. quadrivulnera G. F. Hrusa, M. Rejmanek 1993-5-15 10982 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS110733  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1985-5-11 1592 Napa SE of corner of Butt's Canyon Rd. and Snell Valley Rd. 237 Comment
  UCD20729  Clarkia purpurea subsp. quadrivulnera Ellen Dean; w/ Mark Bibbo 2002-6-17 1093 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  JEPS110694  Clarkia rhomboidea Jake Ruygt 1989-5-20 2344 Napa ridge about 1 mile north of Mt. Vaca 804 Comment
  CAS-BOT-BC165610  Clarkia unguiculata David D. Keck 1933-5-29 2353 Napa Pope Creek bridge south of Walters Springs Comment
  RSA491722  Clarkia unguiculata James L. Reveal 1987-6-7 6392 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
  UCD105090  Clarkia unguiculata L. P. Thibault 1995-5-19 38 Napa Northside of Highway 128, N of Lake Solano, approx. 2-3 miles E of Monticello Dam. 125 Comment
  UCD169614  Clarkia unguiculata Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  UC402908  Claytonia exigua subsp. exigua Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC439371  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena 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-BC233835  Claytonia parviflora subsp. parviflora R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6678 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  CAS-BOT-BC233836  Claytonia parviflora subsp. parviflora John H. Thomas 1955-5-21 5179 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS112613  Claytonia parviflora subsp. parviflora Jake Ruygt 1997-3-18 3805 Napa Greenfield Road 213 Comment
  UCD73383  Claytonia parviflora subsp. parviflora 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
  UCD14400  Claytonia parviflora subsp. parviflora Todd Jones 1983-5-29 13 Napa Highway 128, 4.9 mi. north of Moscowite Corner, 15.6 mi. beyond Monticello Dam Comment
  UCD15055  Claytonia perfoliata Craig Homan 1977-4-8 5 Napa California, Napa Co.; along Highway 128, 17 miles southwest of Winters; Comment
  CAS-BOT-BC91448  Clematis lasiantha Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  JEPS60568  Clematis ligusticifolia W. L. Jepson 1936-7-6 17651 Napa Napa Range, Sage Canyon Comment
  UCD73054  Clinopodium douglasii Ellen Dean; S. Rae 2008-5-21 4973 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  CHSC22322  Collinsia grandiflora Robert A. Schlising; Greg Bos 1963-3-30 2473 Napa Coast Ranges. Pope Valley Road, 5.8 miles north of junction with Lower Chiles Valley Road. Comment
  POM298618  Collinsia greenei Lincoln Constance, J. F. Davidson, R. H. Shan, W. H. Wagner 1946-5-18 3046 Napa Near Mount St. Helena Inn, southeast slope of Mount St. Helena. Comment
  CAS-BOT-BC474510  Collinsia heterophylla Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8672 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. Along Nevada Creek. 470 Comment
  CDA10866  Collinsia heterophylla G. F. Hrusa, M. Rejmanek 1993-5-15 10961 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1196847  Collinsia heterophylla Joseph P. Tracy 1902-5-21 12484 Napa 3-4 mi e of Angwins (Howell Mountain, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  UCD160792  Collinsia heterophylla Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8672 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
  UCD49264  Collinsia heterophylla C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; in dry creek bed, downslope of West Rd., N of jct with South Decker Canyon Rd. 152 Comment
  UCD49266  Collinsia heterophylla M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 11 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 289 Comment
  UC192735  Collinsia heterophylla C. F. Sonne Apr 1897 Napa near Napa City Comment
  UCD123653  Collinsia sparsiflora G. F. Hrusa; S. Larson 1995-4-10 12064 Napa along Chiles Valley/Pope Valley Road approximately 2 meters south of Pope Canyon Road intersection. North Coast Biodiversity Arena. 175 Comment
  HSC58982  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 1020 Napa Near Bell Canyon 427 Comment
  JEPS112522  Collinsia sparsiflora var. arvensis Jake Ruygt 1996-3-23 3530 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 Comment
  UC147869  Collinsia sparsiflora var. arvensis J. P. Tracy 1902-5-18 1533 Napa 3-4 mi e Angwin (head Moore's Creek); Head Moore's Creek, Howell Mountain 518 Comment
  UC917131  Collinsia sparsiflora var. arvensis D. C. Finfrock 1950-4-2 14 Napa 2 mi from St. Helena on the Pope Valley Road St. Helena; Pope Valley Road Comment
  UCR139462  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Coast Range, Conn Valley 183 Comment
  UCR17489  Collinsia sparsiflora var. arvensis E. Turula 1975-3-29 78 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  POM15100  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Calistoga. Comment
  UC625486  Collinsia sparsiflora var. arvensis Frank W. Gould 1938-4-3 117 Napa 1 mi w of the Sonoma County Line (on the road from Calistoga) 182 Comment
  UC672472  Collinsia sparsiflora var. arvensis A. E. Borell 1928-4-13 118 Napa 10 mi sw Calistoga Comment
  CHSC10572  Collinsia sparsiflora var. collina Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS29585  Collinsia sparsiflora var. collina Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8442 Napa 4.8 miles N of Vichy Springs junction (with Calif. 37) along Atlas Peak road; due W of and above Milliken Reservoir. 335 Comment
  UC1301186  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-17 5224 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  JEPS17750  Collinsia sparsiflora var. collina Francia Chisaki 1957-5-30 965 Napa along State Highway 37 Summit of grade between Wooden Valley Creek and Capell Creek 344 Comment
  JEPS6318  Collinsia sparsiflora var. collina Willis L. Jepson 1893-4-23 21232 Napa n of Wooden Valley Grade Tranchos Gorge; Napa Range Comment
  JEPS26345  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); North Coast Ranges, Napa Valley 91 Comment
  UC1278746  Collomia diversifolia G. L. Stebbins Jr. 1948-5-9 Napa 6.5 mi se Pope Valley (ne-facing slopes); Chiles Valley Comment
  UCD118735  Collomia diversifolia Katherine Graham; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  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
  JEPS110955  Collomia heterophylla Jake Ruygt 1981-4-25 999 Napa road between Aetna Springs and Table Mtn 396 Comment
  SBBG103168  Collomia heterophylla D. H. Wilken 1973-5-6 11925 Napa Las Posadas St Forest, 3 mi SE of Angwin 518 Comment
  UC1197844  Collomia heterophylla J. P. Tracy 1902-5-16 1500 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 335 Comment
  RSA92933  Collomia heterophylla P. H. Raven 1951-6-26 3067 Napa Wooden Valley Grade 305 Comment
  UCD167221  Collomia heterophylla Jake Ruygt 1998-5-16 3966 c Napa Maggie's Peak area. 579 Comment
  UC1536741  Conyza canadensis G. H. True Jr. 1937-10-12 840 Napa roadside near Lokoya Lodge 304 Comment
  JEPS7005  Cordylanthus mollis subsp. mollis Peter H. Raven 1952-8-26 5138 Napa salt marshes Bentley Wharf 15 Comment
  UCD123104  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  JEPS41126  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-5 9138 Napa western end Calistoga (on Calistoga grade of Calif. Hwy 29; 6.6 mi from junction of Calif. Hwy 29 and 128) Comment
  JEPS55931  Cordylanthus pilosus subsp. pilosus T. I. Chuang and Fei-Mei Chuang 1968-7-24 6477 Napa 1 mi nw of St. Helena Comment
  SBBG100049  Cordylanthus pringlei T. I. and F. M. Chuang 1970-7-25 6931 Napa 0.9 mi N of Lake County line on US Hwy 29 Comment
  UC723833  Cornus glabrata Joseph Andorfer Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. s. Monticello; Steel Canyon Comment
  RSA52657  Cornus nuttallii I. L. Wiggins 1949-4-30 12090 Napa Along draw on NE flank of Mount St. Helena. 915 Comment
  UC875882  Cornus nuttallii Alice Eastwood 1922-5-5 11291 Napa Mt. St. Helena Comment
  UCD13146  Cornus nuttallii Hilary Rypka 1981-5-2 34 Napa Napa CO. Mt. St. Helena. Highway 29, 7 miles southwest of Middletown. Elevation 3000'. 914 Comment
  JEPS106394  Cornus sericea subsp. sericea Jake Ruygt 1998-6-13 4022 Napa Milliken Creek south of Foss Valley. 405 Comment
  UC127083  Corylus californica Harley P. Chandler Sep 7-14 1906 7156 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC1198823  Crassula aquatica Joseph P. Tracy 1902-5-21 1609 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 518 Comment
  UC1746479  Crepis pulchra Jake Ruygt 1999-5-15 4158 Napa W of Napa (along Patrick Rd., cs 2 mi w of Browns Valley Rd.) 200 Comment
  UCD167446  Crocanthemum James A. Neilson Jr. 1979-5-25 3975 Napa 1 1/2 mile northwest of Knoxville. Manhattan Mine area. (Manhattan Mine is now known as Homestake McLaughlin Mine. Unnumbered specimen; notes on specimen were matched with notes in notebook based on the date and occurrence of 'calcedny' (calcedony is believed to be a phonetic spelling of the mineral chalcedony). Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD144651  Crocanthemum scoparium Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD161216  Crocanthemum scoparium Jake Ruygt 1989-7-1 2393 Napa Mt. Vaca. 755 Comment
  UC1299209  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1946-8-21 1844 Napa near Knoxville; North Coast Ranges Comment
  CHSC102518  Croton setiger Lowell Ahart 2009-10-12 16438 Napa Below the high water line on 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
  RSA757948  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7958 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. South side of Route 128 across from spillway, roadside near seepage. 91 Comment
  SD211506  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey circa 15 sirmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  UCD145278  Crypsis schoenoides Barry Hammel 1976-5-30 454 Napa Lake Berryessa. Comment
  JEPS122995  Crypsis vaginiflora Jake Ruygt 1990-1-29 2432 Napa Napa Range about 1/2 mile south of Circle Oaks. Quad: Capell Valley. Comment
  UCD148934  Cryptantha flaccida Ellen Dean; Diana Hickson 2014-4-29 8146 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UC912356  Cryptantha flaccida Herbert L. Mason 1934-4-30 8105 Napa 5 mi s Monticello (tributary of Putah Creek); Putah Creek Comment
  JEPS104969  Cryptantha hispidula Dean W. Taylor 1998-6-23 16691 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UC1731385  Cryptantha hispidula Dean W. Taylor 1998-6-18 16668 Napa small side canyon 0.5 mi above (n) mouth of Pope Valley; North Coast Ranges, Butts Canyon 289 Comment
  UCD37572  Cryptantha hispidula Beecher Crampton 1955-4-7 2442 Napa Napa County, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville. Comment
  UCD47943  Cryptantha hispidula J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 9 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  JEPS120430  Cryptantha muricata Jake Ruygt 2010-6-21 5640 Napa Near creek that drains into Bear Valley from southeast. Comment
  SEINET10569440  Cupressus Fisher 1881-1 Fisher s.n. Napa Calistoga Comment
  JEPS88724  Cupressus macnabiana W. L. Jepson Jul 1897 Napa Samuel Springs to Middleton Comment
  RSA0020853  Cupressus macnabiana David J. Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  RSA92799  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa Knoxville. 457 Comment
  CAS-BOT-BC85488  Cupressus sargentii Howard E[a]rnest McMinn 193 Napa along Pope Creek in Pope Canyon from Pope Valley to Monticello Comment
  CAS-BOT-BC85490  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 277 Napa Pope Creek in Pope Canyon Comment
  CHSC109722  Cupressus sargentii L. R. Abrams 1926-5-4 12282 Napa County line, Napa - Lake County. Comment
  CHSC22657  Cupressus sargentii Robert A. Schlising; Glenn Keator 1962-1-25 2026 Napa Mt. Saint Helena, NW Corner of Napa County. Comment
  RSA129447  Cupressus sargentii B. O. Schreiber 1936-9-20 2357 Napa 5 miles S of Reiff. 762 Comment
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Jun 14 2013
  POM282208  Cupressus sargentii Lyman Benson 1935-2-25 6244 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
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Jan 25 2016
  SEINET10531522  Cupressus sargentii Mary Susan Taylor, E. Pierce 1981-5-17 Taylor 3756 Napa Calistoga Pass, both sides of Hwy 29, ca 1 mile south of Lake County line. Comment
  SEINET10531527  Cupressus sargentii Peter H. Raven 1965-5-16 Raven 20209 Napa Cedar Valley, vicinity of Knoxville. 610 Comment
  UCD167093  Cuscuta brachycalyx Jake Ruygt 2015-7-4 6146 Napa Missimer -Snell Valley Preserve. 180 Comment
  UCD18110  Cuscuta californica K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 47 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UCD160702  Cuscuta howelliana Ellen Dean; Jake Ruygt 2015-5-23 8761 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  UCD167098  Cuscuta subinclusa Jake Ruygt 2015-6-13 6130 Napa Fernandes - Snell Peak, Land Trust. 360 Comment
  JEPS47143  Cuscuta subinclusa W. L. Jepson 1894-11-5 70 b Napa Rural Health Retreat Napa Valley, St. Helena Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  UCD60134  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Southwest of St. Helena. Comment
  JEPS75995  Cyperus eragrostis W. L. Jepson 1936-6-2 17602 Napa Pratt Valley, St. Helena Comment
  SEINET7581647 Image available Cyperus eragrostis A. D. E. Elmer 4656 Napa Napa. Comment
  UC579872  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  JEPS77930  Cyperus niger Edward Lee 1935-12-1 1674 Napa rd. from Napa to Wooden Valley (ca. 0.7 mi. beyond (s. of) 1st. stop, Sarco Creek); Howell Mts., Sarco Creek Comment
  SEINET893038  Cytisus canariensis David Lawfer 1952-1 154 Napa Napa. Comment
  CAS-BOT-BC190452  Dactylis glomerata Peter H. Raven 1952-5-29 4096 Napa 1 mile north Napa. 45 Comment
  JEPS75996  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UC185006  Danthonia californica J. P. Tracy 1902-5-21 1612 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  UCD60493  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa 1 mi. S. of Calistoga on Hwy. 29. Comment
  UCD107699  Datisca glomerata Barrie Stanfield 1966-5-22 48 Napa Near State Highway 128, 2 miles west of Monticello Dam. Comment
  UC657703  Datura wrightii Mrs. Hess 1941-8-27 10170 Napa near bridge at St. Andrews Camp Mt. St. Helena Comment
  UCD127387  Daucus carota K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  JEPS106659  Deinandra corymbosa Jake Ruygt 1980-6-1 908 Napa Milton Rd. across from Yacht club 0 Comment
  UCD161519  Deinandra corymbosa Jake Ruygt 1990-5-11 2536 Napa Green Island Road at first bend in road. 8 Comment
  UCD149642  Delphinium hansenii subsp. hansenii Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.nl. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  CAS-BOT-BC10198  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mtn., 10 miles west of St. Helena Comment
  LA207642  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Fairfield road, 1.5 mi. S of road to St. Helena Comment
  JEPS110986  Delphinium hesperium subsp. pallescens Jake Ruygt 1978-5-21 329 Napa 4.5 miles north of Sage Canyon Rd. on Chiles and Pope V. Rd 259 Comment
  CAS-BOT-BC10108  Delphinium hesperium subsp. pallescens Milo Samuel Baker 1932-4-26 5692 Napa Pope Creek Road perhaps 12 to 15 mi. from Monticello Comment
  CAS-BOT-BC10112  Delphinium hesperium subsp. pallescens P. H. Raven; George Ledyard Stebbins 1953-4-19 5343 Napa North side of Pope Creek between Samuels Springs and Walters Springs 243 Comment
  JEPS41079  Delphinium hesperium subsp. pallescens Rimo Bacigalupi and L. R. Heckard 1965-5-15 9094 Napa along creek about 1 mi w Devilhead Road (from Cedar Valley to Knoxville) (edge of small valley); Zim Zim Creek 487 Comment
  LA207503  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-9-5 sn Napa Putah Creek Canyon, 14.7 mi. W of Winters Comment
  CAS-BOT-BC9816  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC9809  Delphinium nudicaule Ella D. Cantelow 1939-4-8 2522 Napa Lower Lake Road, 6 mi. N of Jct. with Pope Creek Road Comment
  CAS-BOT-BC9811  Delphinium nudicaule Belle R. Jackson 1930-6-8 s.n. Napa On Old Toll Road below Patten's Mt. St. Helena region Comment
  RSA122776  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa Wooden Valley Grade, 5.2 miles NNE of Napa. 274 Comment
  RSA52660  Delphinium nudicaule I. L. Wiggins 1949-4-30 12079 Napa 2.5 miles above Calistoga along old toll road to Middletown Comment
  RSA59829  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa among brush of side gulch, Sarco Creek, 5 miles above Napa Comment
  UC160910  Delphinium patens Joseph P. Tracy 1902-5-15 1475 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC635346  Delphinium patens H. L. Mason 1928-4-13 4330 Napa hills between Santa Rosa and Calistoga Comment
  UCD18365  Delphinium patens R. Wenk 2000-5-14 1 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd., along side of steep, paved road. 140 Comment
  RSA155420  Delphinium patens L. S. Rose 1961-3-30 61026 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  CAS-BOT-BC116487  Delphinium patens subsp. patens P. Raven 1950-4-15 1749 Napa Wooden Valley Grade, above Napa 457 Comment
  UCD141587  Delphinium uliginosum Ellen Dean 2013-4-27 7708 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  UC9248  Delphinium variegatum Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin Comment
  CAS-BOT-BC7908  Delphinium variegatum David D. Keck 1931-4-2 1054 Napa 4 miles S of Monticello, eastern Napa County Comment
  JEPS60635  Delphinium variegatum Elizabeth Ferguson 1920-5-15 346 Napa Pope Creek and Howell Mountain Comment
  LA207580  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-8 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  RSA701031  Delphinium variegatum Wilma Griset 1931-3-29 44 Napa [Unspecified] Comment
  UCD170205  Delphinium variegatum subsp. variegatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 752 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  RSA0110255  Delphinium variegatum subsp. variegatum E. K. Balls 1952-5-8 17117 Napa 4 miles N along Hwy 29 from jct of Hwy 28 and 29 at Woodleaf. Comment
  SBBG2221  Delphinium variegatum subsp. variegatum H. and M. Dearing 1939-5-2 3249 Napa near Napa Comment
  UC160941  Delphinium variegatum subsp. variegatum Joseph P. Tracy 1902-5-20 1566 Napa lower slopes of mt. near St. Helena; Northern Coast Ranges, Howell Mt. 304 Comment
  UC638511  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1335 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  JEPS110778  Dendromecon rigida Jake Ruygt 1987-5-16 1991 Napa Bismark Knob 606 Comment
  UC727074  Dendromecon rigida A. A. Heller 1940-6-13 15737 Napa on road leading to summit just above junction of the trail from the Stevenson Tablet (e side of mountain); Mt. St. Helena Comment
  UCD167245  Dendromecon rigida Jake Ruygt 1991-4-17 2625 Napa Long Ranch, on ridge south of Lake Hennessey. 365 Comment
  CAS-BOT-BC627  Dendromecon rigida subsp. rigida Carl B. Wolf 1928-5-4 1850 Napa Mt. St. Helena Comment
  UCD35456  Deschampsia cespitosa Beecher Crampton 1957-5-8 4000 Napa Napa County. North end of Capell Valley. Comment
  CAS-BOT-BC198142  Deschampsia danthonioides Peter H. Raven 1951-6-10 2928 Napa Crater Region S of Palisades 762 Comment
  UC1023588  Deschampsia danthonioides Virginia Bufford 1937-5-9 449 Napa Calistoga Geysers Comment
  UC1103262  Deschampsia danthonioides J. P. Tracy 1899-6-13 345 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek); Howell Mt., Moore's Creek 365 Comment
  UC187273  Deschampsia danthonioides Joseph P. Tracy 1902-5-21 1605 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 335 Comment
  UC53586  Deschampsia danthonioides Willis L. Jepson 1893-1 Napa Napa Valley, Napa R. Basin Comment
  UCD164854  Deschampsia danthonioides Jake Ruygt 2012-4-21 5827 Napa Crystal Flats, west of Putah Creek. 259 Comment
  UCD48778  Dichelostemma capitatum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 27 Napa Quail Ridge Reserve, along Decker Ridge Rd., N of jct with South Decker Canyon Road. 335 Comment
  UCD48782  Dichelostemma capitatum L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 13 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along Decker Canyon Rd. Near the intersection of North and South Decker Canyon roads, on opposite side of stream from road, 15-20 ft. from the stream. 152 Comment
  CAS-BOT-BC499421  Dichelostemma capitatum Elizabeth Wright 1922-4-1 s.n. Napa Calastoga Comment
  UC3246  Dichelostemma capitatum Willis L. Jepson 1893-1 Napa e of St. Helena; Napa River Basin Comment
  UC333348  Dichelostemma capitatum unknown 1889-4-28 Napa above Calistoga Comment
  UCD139203  Dichelostemma capitatum subsp. capitatum M. Sidells 1996-4-20 12 Napa next to path, at southwest side of Lake Berryessa, 150 m norhteast of Knoxville Road. 250 Comment
  UCD83668  Dichelostemma congestum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 3 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  HSC43971  Dichelostemma volubile Robert M. Specht 1977-5-14 891 Napa Near junction of Develhead Rd. and Morgan Valley Rd. 463 Comment
  JEPS110905  Dichelostemma volubile Jake Ruygt 1992-5-15 2963 Napa in the vale east of Johnson's Meadow 457 Comment
  UCD48788  Dichelostemma volubile Kook-Hyun Chung; J. Deusterman, C. Ineich, and M. Hauselt 2001-4-28 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 224 Comment
  UCD68012  Dichelostemma volubile P. J. Plummer 1995-6-5 s.n. Napa Napa County Highway 128, on roadside. 73 Comment
  RSA183470  Dichelostemma volubile Michael Flescher 1965-5-13 13 -10 Napa Along Zim Zim Creek, near Cedar Valley, N of Lake Berryessa off the road from Knoxville to Lower Lake. Comment
  CAS-BOT-BC153771  Diplacus angustatus J. W. Stacey 1933-5-16 s.n. Napa Howell Mt. 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-BC151959  Diplacus douglasii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC153283  Diplacus kelloggii John Thomas Howell 1940-5-19 15452 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC153280  Diplacus kelloggii M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC153413  Diplacus layneae R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6681 Napa Butt's Canyon 10 mi. from Howell Mt. Comment
  JEPS126108  Dipsacus sativus Jake Ruygt 1992-7-14 3094 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Qua. Comment
  CAS-BOT-BC208624  Distichlis spicata Peter H. Raven 1951-9-9 3909 Napa Slaughterhouse Pt., Napa River 0 Comment
  CDA34681  Dittrichia graveolens L. 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. Comment
  JEPS9512  Dodecatheon hendersonii Linda G. Dodd 1920-4-2 Napa Capell Valley Napa Range, Capell Valley Comment
  RSA604106  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa along trail running along southwest side of Lake Bereyessa, 100 m from Knoxville Rd. 250 Comment
  UCD49114  Dodecatheon hendersonii L. Wynholds; S. Du Plessis and B. Erickson, and C. Malleck 2001-4-14 24 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd. 266 Comment
  RSA733815  Dodecatheon hendersonii Keith E. Hoffmaster 1946-3-9 1220 Napa Napa range, near summit of Napa-Monticello road. Comment
  UC1178842  Dodecatheon hendersonii Herbert L. Mason 1926-3-14 2717 Napa sw slope Mt. St. Helena Comment
  JEPS106568  Downingia pusilla Jake Ruygt 1981-3-26 1148 Napa east of Rocktram, west of HWY 221 3 Comment
  POM59145  Downingia pusilla A. A. Heller, H. E. Brown 1902-4-25 s.n. Napa Near Napa Comment
  JEPS60038  Dryopteris arguta W. L. Jepson 1936-7-2 17646 Napa Angwin Meadow Howell Mts; Napa Range Comment
  UCD48303  Dryopteris arguta Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. at junction with Decker Bay trail. 152 Comment
  CAS-BOT-BC70949  Dryopteris arguta Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house, Mt. St. Helena Comment
  SEINET267030 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 673031 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC166484  Dudleya cymosa Joseph P. Tracy 1902-5-22 1630 Napa 3-4 mi e Angwin's (on hills at head of More's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UC191167  Dudleya cymosa C. F. Sonne 1897-4-1 Napa St. Helena Comment
  UC101039  Dudleya cymosa Willis L. Jepson 1893-5-8 Napa below New Eden; Napa River Basin, Howell Mtn Comment
  UC830917  Dudleya cymosa Milo S. Baker 1932-5-7 5994 Napa 7-8 mi Monticello (Pope Creek) Comment
  CAS-BOT-BC197071  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena) 111 Comment
  CDA29741  Echinochloa crus-galli M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 214 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
  POM257337  Echinochloa crus-galli Virginia Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helen) 111 Comment
  RSA518795  Echinodorus berteroi Barbara Ertter, E. Neese 1988-10-2 7968 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  JEPS122654  Eclipta prostrata Jake Ruygt 1998-8-29 4113 Napa Berryessa at Eticuera Creek parking pullout. Quad: Water Spring. Comment
  JEPS121339  Eleocharis acicularis var. bella Jake Ruygt 1991-6-29 2747 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  JEPS129120  Eleocharis coloradoensis Jake Ruygt 2010-8-24 5755 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  JEPS121344  Eleocharis radicans Jake Ruygt 1992-7-4 3066 Napa Wild Horse Valley Ranch, Johnson's Meadow. 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
  CAS-BOT-BC203594  Elymus glaucus subsp. glaucus Peter H. Raven 1964-5-9 19047 Napa 2 miles west of Aetna Springs Comment
  JEPS76093  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-24 18851 Napa plateau n Four Corners; Napa Range, Howell Mountain 762 Comment
  SACT001123  Elymus glaucus subsp. jepsonii John Willoughby 1976-5-18 Napa 609.6 Comment
  HSC10971  Elymus multisetus J. V. Lenz 1947-5-14 Napa SW of Monticello Comment
  UCD159910  Emmenanthe penduliflora Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. Near Q58 or Q59. 243 Comment
  JEPS110701  Epilobium campestre Jake Ruygt 1986-6-21 1830 Napa west end of Soscol Rd. below Southern Crossing HWY 29 4 Comment
  RSA39634B  Epilobium canum subsp. canum P. A. Munz 1947-10-10 12215 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  UC1299425  Epilobium canum subsp. canum Freed W. Hoffman 1946-8-20 850 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  UCD105468  Epilobium canum subsp. latifolium D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  JEPS38242  Epilobium densiflorum W. L. Jepson 1893-9-22 14406 Napa Yountville Comment
  JEPS110715  Epilobium minutum Jake Ruygt 1991-5-11 2669 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  SEINET7072772 Image available Epilobium minutum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD118627  Epilobium minutum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  UCD167251  Epilobium torreyi Jake Ruygt 1996-6-23 3754 Napa Wantrup Wildlife Sanctuary, Hardrin Road, Pope Valley. 310 Comment
  UC1196439  Epipactis gigantea J. P. Tracy 1899-7-2 452 Napa Canyon of Moore's Creek Howell Mountain 335 Comment
  CAS-BOT-BC56978  Equisetum arvense Peter H. Raven 1952-5-31 4111 Napa Conn Cr. e. of Yountville 45 Comment
  JEPS103984  Equisetum hyemale subsp. affine Jake Ruygt 1979-4-11 498 Napa .1 mile south of Redwood Road on Solano Avenue,Napa 22 Comment
  JEPS103963  Equisetum laevigatum Jake Ruygt 1979-4-17 519 Napa .2 mile west of Napa River on Oak Knoll Avenue 10 Comment
  CAS-BOT-BC57377  Equisetum laevigatum Peter H. Raven 1952-6-28 4215 Napa Pope Cr. below Samuel's Spr. 121 Comment
  UCD167052  Equisetum laevigatum Jake Ruygt 1991-5-11 2663 Napa Scott's Flat, Aetna Mine Road. 481 Comment
  UCD167087  Equisetum laevigatum Jake Ruygt 2010-4-25 5523 Napa Putah Creek near confluence with Hunting Creek. 179 Comment
  JEPS120418  Ericameria arborescens Jake Ruygt 2010-8-21 5744 Napa Mt. St. Helena; fire road at intersection with private driveway. 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
  JEPS120425  Erigeron biolettii Jake Ruygt 2010-6-19 5610 f Napa End of Cedar Creek / Pocock Creek Rd. Comment
  RSA602572  Eriodictyon californicum Louis C. Wheeler 1952-8-30 6878 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SEINET265706  Eriodictyon californicum Royal D. Suttkus 1967-6-26 67- 30 -17 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD170666  Eriodictyon californicum 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC242610  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi. west of Monticello, on road to Lowerlake Comment
  CAS-BOT-BC242612  Eriogonum dasyanthemum John Thomas Howell 1933-8-27 11652 Napa Chiles Valley, Napa Range Comment
  POM209422  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  UC534876  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa near Chiles School (upper part Sage Valley); Napa Mountains, Sage Valley Comment
  UC1177103  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa 4 mi s Knoxville 365 Comment
  SEINET253386  Eriogonum gracile Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mputains. Comment
  RSA0005059  Eriogonum latifolium var. parvulum S. G. Stokes 1933-8-27 88 Napa End of Sage Valley, Napa Mountains. Comment
  CAS-BOT-BC266070  Eriogonum luteolum Peter H. Raven 1951-5-20 2851 Napa Hills W. Oakville 548 Comment
  JEPS19662  Eriogonum luteolum W. L. Jepson 1934-10-16 16924 Napa above The Cave (Adam and Eve Ridge); Howell Mt., Adam and Eve Ridge Comment
  SD22570  Eriogonum luteolum Sdusan Stokes Aug 27 92 Napa Chiles Canyon Comment
  JEPS129041  Eriogonum luteolum var. luteolum Jake Ruygt 2016-6-5 6275 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UC534932  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Canyon Napa Mts., Sage Canyon Comment
  UC6529  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UC85728  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1892 Napa Calistoga Comment
  UCD164784  Eriogonum luteolum var. luteolum Jake Ruygt 2009-6-18 5441 Napa Chiles-Pope Valley Rd. 286 Comment
  UCD18119  Eriogonum luteolum var. luteolum K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 56 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  UCR43082  Eriogonum luteolum var. luteolum L. F. LaPre 1986-6-8 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. Line 366 Comment
  OBI47600  Eriogonum nudum L. F. LaPre & R. Bjork, R. Bjork 1986-7-13 s.n. Napa Hunting Crk, 1/2 mi S of Dunnigan Hill (Jericho Valley 7.5' quad) 335 Comment
  CAS-BOT-BC268979  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  UC6393  Eriogonum nudum var. nudum Willis L. Jepson 1893-10-13 Napa Upper Conn Valley Napa River Basin, Upper Conn Valley Comment
  UCR43200  Eriogonum nudum var. nudum L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  UCD164791  Eriogonum nudum var. nudum Jake Ruygt 2004-9-4 4662 Napa Berryessa-Knoxville Rd at Zim-Zim Creek. 225 Comment
  CAS-BOT-BC269713  Eriogonum nudum var. oblongifolium Peter H. Raven 1951-8-21 3869 Napa Ridge s.e. of Mt. Veeder 670 Comment
  JEPS106949  Eriophyllum confertiflorum Jake Ruygt 1996-6-1 3731 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 280 Comment
  UCD161522  Eriophyllum confertiflorum Jake Ruygt 1990-6-9 2581 Napa Huichica Creek at south side of Lovall Valley. 170 Comment
  SBBG118106  Eriophyllum lanatum C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, ca. 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  UCD160797  Eriophyllum lanatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8677 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
  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
  UC1980566  Eriophyllum lanatum var. achilleoides James L. Reveal 1987-6-7 6403 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and South of Lake Berryessa. Comment
  UCD18121  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
  POM358025  Eriophyllum lanatum var. achilleoides L. S. Rose 1934-5-23 34275 Napa N slope of Mt. St. Helena Comment
  POM358026  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s.n. Napa Near Hill and Connors Ranches, Calistoga Comment
  UC468950  Eriophyllum lanatum var. achilleoides H. P. Chandler 1907-5-26 7589 Napa White Sulphur Spring St. Helena, White Sulphur Spring Comment
Read comments
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  JEPS61368  Erodium brachycarpum W. L. Jepson 1924-4-6 10325 Napa Napa Valley, Conn Creek Conn Creek; Napa Valley, Conn Creek Comment
  UC1130305  Erodium cicutarium A. E. Wieslander, H. S. Yates 1934-2-25 370 Napa 3 mi e Calistoga (Calistoga to Middletown); Calistoga Quad. 335 Comment
  UC650400  Erodium cicutarium Ira L. Wiggins 1928-3-25 2880 Napa 1.5 mi ne Calistoga Comment
  UCD170346  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 845 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 586 Comment
  OBI74549  Eryngium aristulatum David J. Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 3.0 mi south of turnoff to Homestake McLauglin Mine/Mill. 350 Comment
  JEPS17445  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-4-26 14276 Napa Rutherford Comment
  JEPS17446  Eryngium aristulatum var. aristulatum W. L. Jepson 1893-4-26 14276 Napa Rutherford Napa Valley, Rutherford Comment
  UC648290  Eryngium aristulatum var. aristulatum John Thomas Howell 1933-9-3 11655 Napa 6 mi. n. Vallejo Comment
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  JEPS106770  Erysimum capitatum var. capitatum Jake Ruygt 1996-4-12 3610 Napa Blue Ridge, north of Monticello Dam. 670 Comment
  SEINET14045891 Image available Erythranthe microphylla Peta C. Lewis 1967-1 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  SEINET8380160  Erythranthe microphylla C. G. Baughn 1949-4-24 21 Napa beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  CDA20131  Erythronium helenae R. Gross 2003-5-4 RG 1 -03 Napa North Coast; Foote Ranch, NW base of Mt Saint Helena. 0 Comment
  SEINET8395970  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helena, northern Napa County; steep northerly slope just east or the Palisades on old stage road. Comment
  UC1328143  Erythronium helenae Donald V. Hemphill 1941-3-22 155 Napa 1 mile south of Snell Peak. 335 Comment
  CAS-BOT-BC402794  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6062 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC402800  Eschscholzia caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC402802  Eschscholzia caespitosa David D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  UCD95244  Eschscholzia caespitosa Curtis Clark 1975-4-28 490 Napa State Highway 128, 13.6 miles west of Winters. Comment
  UCD117790  Eschscholzia californica Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, main meadow. 387 Comment
  UCD48073  Eschscholzia californica Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 9 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC403338  Eschscholzia californica Gilbert Muth 1967-4-16 631 Napa Snell Valley 182 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
  UC17643  Euphorbia crenulata Willis L. Jepson 1894-5-1 Napa Napa River Basin; Rebecca Ranch Comment
  UC2043157  Euphorbia oblongata Barbara Ertter with Jake Ruygt 1996-4-25 14605 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  OBI74552  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  UCD19328  Euphorbia serpillifolia subsp. serpillifolia M. A. Bibbo; E. Dean 2001-7-6 20 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  JEPS115735  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 437 Comment
  CAS-BOT-BC278273  Festuca californica A. G. Vestal 1963-4-7 58749 .1 Napa 3.9 miles north of St. Helena Comment
  UC766903  Festuca californica R. F. Hoover 1941-4-26 4926 Napa canyon n Pope Valley (on road to Butts Canyon) Comment
  UCD37300  Festuca californica Beecher Crampton 1959-5-7 5202 Napa State Highway 128, north end of Capell Valley, Capell Creek. Comment
  UCD65856  Festuca californica subsp. californica Beecher Crampton 1962-5-16 6420 Napa 3.5 miles north of Conn Reservoir, western slope of Chiles Valley. Comment
  UC1153830  Festuca elmeri Beecher Crampton 1954-5-6 1834 Napa between Capell and Wooden Valley Wooden Valley (State Hwy 37) Comment
  UCD65922  Festuca elmeri Beecher Crampton 1970-5-14 8593 Napa 10 miles east of Rutherford. Comment
  JEPS122939  Festuca occidentalis Jake Ruygt 1990-5-19 2559 Napa 1/2 mile north of Diamond Mountain Road on Highway 29. Quad: Calistoga. Comment
  JEPS122941  Festuca occidentalis Jake Ruygt 1987-4-11 1948 Napa Ragg ridge (Quail Ridge Preserve. Quad: Lake Berryessa. 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
  SEINET200830 Image available Festuca rubra J. P. Tracy 1902-5-19 1549 Napa Head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn 518 Comment
  JEPS129135  Ficus carica Jake Ruygt 1994-5-22 3488 Napa Devils Canyon, Taylor Preserve. Sonoma 7.5' Quad. Comment
  RSA52710  Filago californica I. L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 mile from Calistoga Comment
  UC619327  Foeniculum vulgare Wilhelm N. Suksdorf 1913-7-24 621 Napa bank of Napa R. s. of Napa Comment
  CAS-BOT-BC53524  Frangula californica subsp. tomentella Mrs. G. Earle Kelly 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC53525  Frangula californica subsp. tomentella H. D. Ripley; R. C. Barneby 1945-1-20 6913 Napa St. Helena Creek 518 Comment
  SDSU10373  Frangula californica subsp. tomentella Harvey 1939-7-1 2422 Napa Near Knoxville. Comment
  UCD67543  Frangula californica subsp. tomentella D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  LA205386  Frankenia salina Milo S. Baker; 1932-9-24 6034 Napa Cuttings Wharf Comment
  UC144553  Fremontodendron californicum subsp. californicum C. F. Baker 1903-5-8 2972 Napa Pacific Coast, Knoxville Knoxville; Pacific Coast, Knoxville Comment
  UC618424  Fremontodendron californicum subsp. californicum John Thomas Howell 1939-5-7 14653 Napa nw of Knoxville (near head of Huntington Creek); near head of Huntington Creek Comment
  UCD149634  Fritillaria G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  JEPS55693  Fritillaria affinis W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  RSA10653  Fritillaria affinis Carl B. Wolf 1928-5-3 1836 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  RSA654126  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  CAS-BOT-BC130488  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa Palasades, Mayacama range, north of Calistoga Comment
  JEPS113966  Fritillaria purdyi Jake Ruygt 1993-4-3 3185 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  POM182670  Fritillaria purdyi D. D. Keck 1931-4-4 1091 Napa The Crater Country, 3.5 miles SE from summit of Mount St. Helena Comment
  UCD170295  Fritillaria purdyi Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 835 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  CAS-BOT-BC508187  Fritillaria recurva Alice Eastwood 1923-4-12 s.n. Napa Soda Springs Comment
  UC1146701  Galium andrewsii subsp. intermedium Freed W. Hoffman 1946-8-21 845 Napa headwaters of creek North Coast Ranges, Hunting Creek (Napa-Lake county line) Comment
  UCD13130  Galium aparine Etienne and Laurie Oleksiewicz 1981-4-18 8 Napa On Knoxville Rd., 8.9 miles north of Pope Canyon Rd., north facing slope. Comment
  RSA92821  Galium aparine var. echinospermum Peter H. Raven 1950-5-6 2013 Napa Above place where the W branch of the Napa River meets Rte 29 ca. 1 mile N of Calistoga. 91 Comment
  CHSC108735  Galium bolanderi B. Castro; L. P. Janeway 2002-5-12 1365 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  JEPS52680  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 C Napa at junction road to Angwin and road to Sanitarium; n of St. Helena Comment
  JEPS52705  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3782 A Napa Howell Mt. rd 1 mi n Pacific Union College (n of Angwin) Comment
  JEPS52706  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 C Napa at junction road to Angwin and road to Sanitarium; n of St. Helena Comment
  JEPS52650  Galium bolanderi Lauramay T. Dempster 1965-5-15 4093 Napa s Knoxville (n slope); Cedar Valley 609 Comment
  JEPS52700  Galium bolanderi G. L. Stebbins Jr. 1963-6-12 6130 Napa along creek 2 mi s Lake Berryessa (s side of creek, n-facing slope); Pope Creek 149 Comment
  UC517526  Galium bolanderi John Thomas Howell 1929-8-4 4355 Napa slope 1 mi below Samuels Springs; Napa Range, Pope Creek Canyon Comment
  UCD49249  Galium boreale subsp. septentrionale L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 14 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 ft. S of the stream. 161 Comment
  JEPS110602  Galium divaricatum Jake Ruygt 1979-4-29 563 Napa end of Kortum Canyon Rd. 256 Comment
  UCR64599  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John 229 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
  CDA10899  Galium porrigens var. porrigens G. F. Hrusa, M. Rejmanek 1993-5-15 10995 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA11899  Galium porrigens var. porrigens G. F. Hrusa, G. L. Stebbins 1994-4-8 11724 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UCD118603  Galium porrigens var. porrigens William Goss; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD18071  Galium porrigens var. porrigens Ellen Dean; with Plant Biology 102 class 2000-4-22 626 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  JEPS110560  Galium triflorum Jake Ruygt 1979-5-4 575 Napa Trefethen hillside property 91 Comment
  UC1122625  Garrya congdonii B. Schreiber 1936-9-20 2353 Napa 5 mi s Reiff; Reiff Quad. 762 Comment
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Jan 14 2009
  UCD160728  Garrya congdonii Ellen Dean 2015-5-23 8780 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCR198123  Garrya congdonii K. Carpenter, Ellen Dean, K. Chaney 2000-8-18 59 Napa UC McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, along west side of Devilhead Road, top of ridge by air quality station 561 Comment
  POM195578  Garrya flavescens subsp. pallida H. P. Bracelin 1930-3-23 s.n. Napa Flanks of Mt. St. Helena, 1.5 miles southeast of Mt. St. Helena. Comment
  CAS-BOT-BC144425  Garrya fremontii Peter H. Raven 1951-6-10 s.n. Napa Crater Region e. of Pinnacles 762 Comment
  JEPS66734  Garrya fremontii Willis L. Jepson 1893-1 14159 Napa summit of Mt. St. Helena; Napa River Basin Comment
  JEPS66742  Garrya fremontii W. L. Jepson 1913-4-15 5310 Napa Howell Mt. 609 Comment
  JEPS71221  Gastridium ventricosum W. L. Jepson 1936-7-3 17633 Napa Four Corners Howell Mt.; Napa Range, Howell Mt. Comment
  UC71009  Gastridium ventricosum W. L. Jepson 1896-6-2 Napa St. Helena Comment
  JEPS64794  Genista monspessulana W. L. Jepson 1923-6-3 9972 Napa a little S of Calistoga (east-side road) Comment
  JEPS120362  Gilia achilleifolia subsp. multicaulis Jake Ruygt 1995-4-29 3453 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Quad. 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
  UC932035  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa wooded canyon ca 8 mi ne Vichy Springs (on Monticello Road, Mayacama Mountains); Mayacama Mountains, ne of Vichy Springs Comment
  JEPS69530  Gilia capitata subsp. capitata W. L. Jepson 1896-6-2 15074 Napa hills at mouth of Conn Valley on edge Napa Valley; edge of Napa Valley, mouth of Conn Valley Comment
  JEPS69535  Gilia capitata subsp. capitata W. L. Jepson Nov. 1895 20941 Napa sw St. Helena (White Sulphur Spring); sw of St. Helena, White Sulphur Springs Comment
  UC914316  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7965 Napa w slope Mt. St. Helena Comment
  UCD117699  Gilia capitata subsp. capitata Eric S. Ngay 1990-5-26 17 Napa gravel mine west of bridge, south bank of Pope Creek, near mile marker 4.75 Pope Canyon Road. Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  UC908451  Gilia tricolor subsp. tricolor Herbert L. Mason 1933-4-30 7224 Napa n Aetna Springs (near Napa-Lake County line); n of Aetna Springs Comment
  SEINET7072768  Githopsis pulchella A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCSB9986  Githopsis specularioides Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  JEPS112627  Glaux maritima Jake Ruygt 1981-7-20 1068 Napa Fagan's Marsh 1 Comment
  CHSC102525  Glinus lotoides Lowell Ahart 2009-10-12 16444 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters.F 133 Comment
  UC1563928  Glinus lotoides Barbara Ertter with Elizabeth Neese 1988-10-2 7966 Napa 15 air mi nnw of Napa (Lake Hennessey on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UCD85207  Glyceria striata Beecher Crampton 1953-7-14 1515 Napa N.E. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  UC147896  Gratiola ebracteata Joseph P. Tracy May 15 1903-May 18 1903 1873 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  OBI74534  Grindelia camporum David J. Keil 1986-11-8 19793 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S of turnoff to Homestake McLauglin Mine/MIll 350 Comment
  UCR44911  Grindelia camporum L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  CAS-BOT-BC304898  Grindelia hirsutula Peter H. Raven 1952-8-26 5132 Napa W. Bentley Wharf 15 Comment
  JEPS121525  Grindelia hirsutula Adam C. Schneider with Dick O'Donnell 2013-5-26 234 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS41878  Grindelia hirsutula W. L. Jepson 1894-7-19 Napa near Toll House; Mt. St. Helena Comment
  POM41961  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS106824  Guillenia lasiophylla Jake Ruygt 1989-4-22 2282 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  CAS-BOT-BC302219  Harmonia nutans Carl B. Wolf 1928-5-3 1782 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC302238  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  JEPS40020  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. 792 Comment
  UC518958  Harmonia nutans David D. Keck 1933-5-28 2329 Napa ca 1 mi sw Pacific Union College; Howell Mountain Comment
  UCD170289  Helenium bigelovii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 829 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  UCD132771  Helianthella californica Heidi E. M. Dobson 1978-5-6 321 Napa east slope of Mt. Veeder. Comment
  UC134822  Helianthella californica subsp. californica Brandegee 1888-9-1 Napa Howell Mountain Comment
  UC1069443  Helianthella californica subsp. californica A. Lewis 1932-5-14 78 Napa along the roadside Napa Quadrangle Comment
  CAS-BOT-BC314717  Helianthella californica var. californica John Thomas Howell 1937-7-4 13057 Napa Wooden Valley Grade Comment
  JEPS106669  Helianthus bolanderi Jake Ruygt 1991-8-5 2820 Napa Eticuera Creek north of Zim-Zim Creek 228 Comment
  RSA92485  Helianthus bolanderi Alice Eastwood, J. T. Howell 1939-8-20 7618 Napa Capell Creek Comment
  UCD170290  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 830 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 420 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
  CHSC102300  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  RSA81516  Hemizonia clevelandii James I. McMurphy 1909-8-7 696 Napa Calistoga. Comment
  UC897696  Hemizonia congesta subsp. clevelandii Alice Eastwood 1918-9-3 7962 Napa Calistoga Comment
  CAS-BOT-BC309831  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi. S. of Napa, on road to Vallejo Comment
  CAS-BOT-BC309844  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa Napa, Napa Valley Comment
  POM194218  Hemizonia lutescens J. T. Howell 1929-10-26 4541 Napa 9 miles N of Vallejo. Comment
  POM298254  Hemizonia luzulifolia subsp. rudis Joseph A. Ewan 1933-9-17 7999 Napa Vacant lot in Napa, Napa Valley Comment
  SEINET3860178  Hemizonia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N. of center of town at the geysers.; 0 Comment
  SJSU138  Hesperocyparis sargentii Emily D. Smith 1934-8-25 Napa near head of St. Helena Creek c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  SJSU149  Hesperocyparis sargentii Emily D. Smith 1935-11-11 Napa near head of St. Helena Cr c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
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Jan 2 2011
  CAS-BOT-BC167424  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  RSA151812  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-1 4117 Napa Between Walter Springs and Samuel Springs above Pope Creek, Pope Valley-Monticello road 152 Comment
  UC1212341  Hesperolinon bicarpellatum J. P. Tracy 1899-7-6 382 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 426 Comment
  UC1212350  Hesperolinon bicarpellatum Helen K. Sharsmith 1951-10-21 4035 Napa 7.2 mi sw Monticello; Inner North Coast Ranges, Steel Canyon Comment
  UC1212361  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4143 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC762266  Hesperolinon bicarpellatum R. F. Hoover 1938-6-8 3539 Napa canyon of s. fork of Butts Creek s. fork of Butts Creek Comment
  SD51691  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa Southeast slope below rock spire west of junction of state highways 37 and 128, south end Cappell Valley. 274 Comment
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. 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
  JEPS122907  Hesperolinon californicum Adam C. Schneider 2015-6-10 938 Napa Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Rd). Comment
  UC1212521  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4618 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  JEPS32281  Hesperolinon californicum Jos. P. Tracy 1899-6-19 384 Napa hill beyond flat Howell Mt. Comment
  UC1212454  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa s side Conn Dam (slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 Comment
  UCD167294  Hesperolinon californicum Jake Ruygt 2007-5-19 5190 Napa Las Posadas State Forest, ridge between Moore Creek and Uncle John Creek. 414 Comment
  CAS-BOT-BC176055  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine 304 Comment
  CAS-BOT-BC176056  Hesperolinon clevelandii John H. Thomas 1955-5-21 5116 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS112648  Hesperolinon clevelandii Jake Ruygt 1989-7-1 2394 Napa Vaca Mtns., north of Mt. Vaca 755 Comment
  SD51768  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine. 305 Comment
  UC1212309  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4643 Napa one mi above Aetna Springs (ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  UC1212326  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mi n Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  OBI22868  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  SD58214  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 730 Comment
Read comments
Jun 12 2012
  OBI22870  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4149 Napa Inner North Coast Ranges. NE of Knoxville ca 2 mi on Knoxville-Lower lake rd 610 Comment
  CAS-BOT-BC167457  Hesperolinon drymarioides G. L. Stebbins 1970-7-17 7058 Napa South of Knoxville on Devilhead Road 463 Comment
  UCD167344  Hesperolinon drymarioides Jake Ruygt 1986-7-5 1863 Napa Devilhead Road near farm. 469 Comment
  JEPS122855  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-28 239 Napa Capell Valley Road, just southeast of intersection with Knoxville Road 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
  UC1601249  Hesperolinon micranthum Helen K. Sharsmith 1952-6-1 4116 Napa n slope above Soda Creek (ca 2 mi se of Chiles Valley); Inner North Coast Ranges 243 Comment
  UC1601270  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4616 Napa Rutherford-Monticello road Inner North Coast Ranges, Chiles Valley (w side of valley) 243 Comment
  UCD37129  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  JEPS122788  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5439 Napa Chiles-Pope Valley Road. QUAD: Chiles Valley. Comment
  JEPS122791  Hesperolinon sharsmithiae Jake Ruygt 2009-6-20 5442 Napa Butts Canyon Road. QUAD: Aetna Springs. Comment
  JEPS123294  Hesperolinon sharsmithiae David Gowen 2009-6-18 1071 Napa Pope Canyon Road, west of where Maxwell Creek enters Pope Creek. Comment
  JEPS32294  Hesperolinon spergulinum Willis L. Jepson 1901-8-6 1728 Napa Howell Mt. grade Napa River Basin Comment
  UCD110531  Hesperolinon spergulinum G. F. Hrusa 1996-6-30 13070 Napa Ida Clayton Rd. 700 Comment
  UCSC009029  Hesperolinon spergulinum Dylan M. Neubauer 2015-4-24 131 Napa (NCoRI) N side Ink Grade Rd, 1.07 air-miles NW Pope Valley 289 Comment
  JEPS106574  Heterocodon rariflorum Jake Ruygt 1986-6-20 1828 Napa NW side of Mt. George 295 Comment
  JEPS11811  Heterocodon rariflorum W. L. Jepson 1936-6-1 17593 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  OBI57141  Heterocodon rariflorum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24512 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  SEINET10460655  Heterocodon rariflorum Tracy TRACY 2226 Napa HOWELL MTN. 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
  JEPS2468  Heterotheca oregona var. compacta Edward Lee Greene 1888-8-29 Napa Calistoga Comment
  JEPS106625  Heterotheca oregona var. rudis Jake Ruygt 1991-8-5 2822 Napa .5 mile north of Pope Creek on Berryessa Knoxville Rd. 152 Comment
  UCD161253  Heterotheca oregona var. rudis Jake Ruygt 2007-12-10 5261 Napa Sulphur Creek west of valley View Drive, St. Helena. (Coordinates estimated by label maker at UC Davis). 76 Comment
  JEPS129057  Heterotheca sessiliflora subsp. echioides Jake Ruygt 1987-7-27 2085 Napa Vaca Mountains, on ridge south of Monticello Dam. Monticello Dam 7.5' Quad. Comment
  UC735727  Hirschfeldia incana Charles B. Heiser Jr 1947-5-17 1910 Napa near St. Helena Comment
  POM158605  Hoita macrostachya C. C. Parry 1881-1 s.n. Napa Calistoga Comment
  UC1543069  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa hwy from Napa to Wooden Valley (n slopes of mt.); George Mt. 152 Comment
  UC16297  Hoita macrostachya W. H. Brewer 1862-7-6 1322 Napa Rag Canyon Comment
  UC16298  Hoita macrostachya W. H. Brewer 1322 Napa Rag Canyon Comment
  JEPS106643  Holocarpha virgata Jake Ruygt 1978-8-20 398 Napa 1.6 mi.E of junct.Chiles and Pope V.Rd on Berryessa-Knox.Rd. 143 Comment
  RSA8543  Holocarpha virgata subsp. virgata J. T. Howell 1933-8-27 11644 Napa E of Chiles Valley on road to Winters, Napa Range. Comment
  JEPS45044  Holodiscus discolor W. L. Jepson 1923-6-3 9973 Napa south of Calistoga; Napa Valley; East side road. S. of Calistoga, Napa Valley Comment
  CAS-BOT-BC315787  Holozonia filipes K. Brandegee 1910-7-26 186 Napa Near Angwin's Comment
  JEPS7754  Holozonia filipes Peter H. Raven 1952-8-28 5158 Napa near Napa Soda Springs 228 Comment
  UCD36377  Hordeum brachyantherum Beecher Crampton 1953-6-2 1436 Napa 8 miles south of Middletown, small meadow along Highway 53. Comment
  UCD85463  Hordeum brachyantherum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  UCR224885  Hordeum brachyantherum Ellen Dean, Kate F. Mawdsley 2010-4-30 5944 A Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Road 72 Comment
  UCD85513  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  CAS-BOT-BC284936  Hordeum brachyantherum subsp. californicum Carl B. Wolf 1928-5-3 1816 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC284935  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC285093  Hordeum marinum subsp. gussoneanum David D. Keck 1933-5-29 2339 Napa Pope Creek bridge south of Walters Springs. South wall of Pope Creek Canyon Comment
  CAS-BOT-BC285097  Hordeum marinum subsp. gussoneanum Peter H. Raven 1957-5-5 10738 Napa Calistoga 91 Comment
  UCD41315  Hordeum marinum subsp. gussoneanum Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 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
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Jan 14 2009
  UCD85829  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-25 3468 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD20430  Hordeum murinum E. Dean; w/ PLB 102 class 2002-5-4 1018 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  JEPS44532  Horkelia californica subsp. dissita Willis L. Jepson 1893-9-24 1214 p Napa Howell Mt.Napa River Basin, Angwin's Meadows Comment
  JEPS110867  Hypericum anagalloides Jake Ruygt 1979-6-14 696 Napa north of PG&E substation, Suscol hill 24 Comment
  CAS-BOT-BC410804  Hypericum concinnum John H. Thomas 1955-5-21 5097 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS121458  Hypericum concinnum Adam C. Schneider with Dick O'Donnell 2013-5-26 204 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  HSC103603  Hypericum concinnum Thomas W. Nelson, Jane Nelson 1985-5-26 7810 Napa Along Aetna Springs Rd., opposite entrance road to Aetna Mine at mile post 1.75. Comment
  RSA458220  Hypericum concinnum E. S. Spalding 1924-7-3 s.n. Napa St. Helena Comment
  UC521696  Hypericum concinnum Joseph Andorfer Ewan 1933-9-17 8008 Napa near n. summit Mt. St. Helena Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  UCD159907  Hypochaeris glabra Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. 243 Comment
  CAS-BOT-BC312894  Hypochaeris glabra Peter H. Raven 1952-6-28 4200 Napa Hennessey Lake 121 Comment
  UCD149582  Hypochaeris radicata 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
  RSA135875  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17118 Napa 6.3 miles south of Lake County, Highway 29 Comment
  UCD138728  Iris fernaldii R. H. Miller 1949-5-8 48 Napa beside Highway 37, about 10 miles northeast of Napa. Comment
  JEPS126061  Iris longipetala Jake Ruygt 2009-5-22 5411 Napa American Canyon, across road from quarry. Cordelia 7.5' Quad. Comment
  JEPS126051  Iris macrosiphon Jake Ruygt 2007-3-31 5133 Napa Las Posadas State Forest NW of Fire Station. Saint Helena 7.5' Quad. Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  SEINET6193236 Image available Iris macrosiphon L. F. Robbins 1927-1 s.n. Napa Napa county Comment
  UC614451  Iris macrosiphon L. Constance 1938-4-22 2132 Napa 2 mi w Yountville (above Dry Creek); North Coast Ranges, Miyakma Mountains 457 Comment
  UCD138758  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCD138788  Iris macrosiphon H. Popenoe 1949-5-1 16 Napa Napa Valley: one mile from Pacific Union College on Pope Valley Road. Comment
  UCD48724  Iris macrosiphon A. Collier; D. Caterson and S. Kenady 2002-5-4 18 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Located in section between upper and lower roads in which the road has become a path. 2 meters E of path. 304 Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  UCD48726  Iris orientalis Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along road to research station. 411 Comment
  UCD147466  Isoetes howellii Ellen Dean; Diana Hickson 2014-4-29 8079 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD160710  Isoetes howellii Ellen Dean; Jake Ruygt 2015-5-23 8769 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  CAS-BOT-BC57722  Isoetes howellii D. E. Breedlove 1974-4-27 36200 Napa along Silverado Trail just north of junction with Oak Knoll Road Comment
  JEPS129166  Isoetes orcuttii Jake Ruygt 2015-3-21 6048 d Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UC519318  Isoetes orcuttii Joseph P. Tracy 1933-6-2 12461 Napa 3 to 4 mi. e. Angwin's (on hills at head of Moore's Creek, La Jota Plateau, Howell Mt.); Northern Coast Ranges, Howell Mt., La Jota Plateau 518 Comment
  JEPS129148  Iva axillaris Jake Ruygt 1981-7-20 1071 Napa Napa Airport. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC102321  Juglans hindsii C. B. Wolf; E. R. Johnson 1934-10-17 6197 Napa Munson Ranch, Napa Range, above Wooden Valley, Old Indian Camp Site 304 Comment
  POM212010  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  UCD170365  Juglans hindsii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 863 Napa Knoxville Wildlife Area, along Berryessa-Knoxville Road. 240 Comment
  CDA39577  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19938 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  JEPS126047  Juncus acuminatus Jake Ruygt 1992-7-4 3060 Napa Wild Horse Valley Ranch, between Leoma and Mitten Lake. Mount George 7.5' Quad. Comment
  JEPS126040  Juncus dubius Jake Ruygt 1992-3-18 2974 Napa Yountville Ecological Reserve, Yountville Cross Road. Yountville 7.5' Quad. Comment
  UCD19914  Juncus effusus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 770 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. Near hair-pin turn in trail by bathtub, stove, etc. 243 Comment
  JEPS126054  Juncus effusus subsp. pacificus Jake Ruygt 2010-6-21 5629 Napa Van Ness Creek at north entrance into Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UC1103653  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  JEPS122664  Juncus occidentalis Jake Ruygt 1978-5-27 341 Napa 7.7 miles NE of Monticello Road on Atlas Peak Road. Quad: Capell Valley. Comment
  RSA517032  Juncus occidentalis W. L. Jepson 1936-6-1 17579 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UCD20752  Juncus oxymeris M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 101 Napa McLaughlin UC Reserve. Devilhead Rd. 2.5 road miles S of jct. with Knoxville-Berryesa Rd. W side of the road by small perennial creek. 487 Comment
  JEPS75645  Juncus patens W. L. Jepson 1936-6-1 17577 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  JEPS122661  Juncus phaeocephalus var. paniculatus Jake Ruygt 1978-5-27 340 Napa 7.7 miles NE of Monticello Road on Atlas Peak Road. Quad: Capell Valley. Comment
  JEPS103998 Image available Juniperus californica Jake Ruygt 1981-7-23 1080 Napa about 1 mile north of Berryessa Peak, Blue Ridge 822 Comment
  UCD133720  Juniperus californica Robert E. Preston 1987-6-16 563 A Napa CA: Napa Co.: On and near the margins of a dry streambed, ca. 1.5 mi SE of Big Basin. 243 Comment
  UC1552004  Kickxia elatine Aaron Liston and Sara Meury 1987-6-6 676 -1 Napa Bothe-Napa Valley State Park 150 Comment
  JEPS122912  Koeleria macrantha Jake Ruygt 2000-5-15 4250 Napa Henry Road, on old Henry Ranch. Quad: Napa. 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
  UCD85793  Koeleria macrantha Beecher Crampton 1965-5-13 7334 Napa Conn Reservoir, 4.5 miles east of Rutherford. Comment
  CHSC103024  Lactuca saligna Lowell Ahart 2009-10-12 16425 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD18107  Lactuca saligna K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 43 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UC127119  Lactuca serriola Harley P. Chandler Sep 7 1906-Sep 14 1906 7111 Napa Alta Loma Ranch Howell Mountain 487 Comment
  SEINET6413450  Lagophylla minor R. Spellenberg 2014-5-20 14814 Napa 4.5 km W of Pope Valley Road/ Butts Canyon Road on Aetna Springs Road. 460 Comment
  UC828868  Lagophylla minor John Thomas Howell 1939-4-30 14631 Napa Walter Springs Comment
  UCD47919  Lagophylla minor Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 13 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  CAS-BOT-BC341430  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canon [Canyon] Comment
  CAS-BOT-BC341432  Lagophylla minor Peter H. Raven 1951-5-6 2821 Napa Silverado Trail 3/4 mile Conn Dam 152 Comment
  JEPS39001  Lagophylla minor Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa Valley River Basin, Conn Valley Comment
  RSA0010320  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
  SBBG36845  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa bridge over Pope Crk, just S of Walters Spring; ISOTYPE: L. dichotoma subsp. minor Comment
  SEINET10672295 Image available Lagophylla minor David D. Keck 1933-5-29 Keck 2338 Napa Bridge over Pope Creek, just south of Walters Spring. On serpentine outcrop and also on hard-baked abobe. Associates: Hordeum Gussoneanum, Linanthus dichotomus, Madia gracilis, Gilia capitata, Festuca reflexa, etc. The large golden-yellow rays closing by 10 A.M. Comment
  JEPS7756  Lagophylla ramosissima Peter H. Raven 1952-6-28 4196 Napa Conn Valley 121 Comment
  SD8628  Lagophylla ramosissima Daniel Cleveland Sep 1882 Napa Aetna Springs Comment
  CAS-BOT-BC341551  Lagophylla ramosissima H. M. Hall 1915-8-12 10093 Napa Howell Mt., on north road to Woodworth's 518 Comment
  RSA13382  Lagophylla ramosissima Daniel Cleveland, Michelle Cleveland 1882-8-26 s.n. Napa Actria Springs. Comment
  UC154000  Lamium amplexicaule Joseph P. Tracy 1899-6-17 401 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  CAS-BOT-BC338270  Lasthenia californica Alice Eastwood 1915-6-5 4631 Napa Calistoga Comment
  JEPS106675  Lasthenia californica Jake Ruygt 1996-4-22 3623 Napa Lewelling Ranch, St. Helena. 88 Comment
  POM182691  Lasthenia californica D. D. Keck 1931-4-2 1007 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  RSA10701  Lasthenia californica C. B. Wolf 1928-5-3 1786 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC338272  Lasthenia californica Peter H. Raven 1950-4-15 1730 Napa Monticello Road, Napa Valley, near Napa 182 Comment
  CAS-BOT-BC338273  Lasthenia californica Peter H. Raven 1951-5-26 2886 Napa Butts Canon [Canyon] 304 Comment
  JEPS10012  Lasthenia californica subsp. californica Willis L. Jepson 1893-1 Napa Comment
  JEPS10176  Lasthenia californica subsp. californica W. L. Jepson 1893-5-2 Napa Calistoga Comment
  UC1222972  Lasthenia californica subsp. californica Joseph P. Tracy 1949-4-24 18291 Napa in saline flats at Myrtledale Hot Springs; Calistoga 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
  UCD15013  Lasthenia californica subsp. californica Kay Wilder 1977-4-24 23 Napa along Pope Canyon Road, 15.6 miles N of Knoxville junction. 384 Comment
  JEPS35630  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga Comment
  UCD147460  Lasthenia glaberrima Ellen Dean; Diana Hickson 2014-4-29 8073 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS107272  Lathyrus hirsutus Jake Ruygt 1994-6-4 3395 Napa Lewelling Ranch, Sulphur Springs Road; road to upper meadow 182 Comment
  UC1279970  Lathyrus tingitanus Peter H. Raven 1957-5-5 10756 Napa Calistoga Comment
  CDA11433  Lathyrus torreyi G. F. Hrusa, M. Tu 1995-5-6 12156 Napa North Coast Biodiversity Arena; along Moores Creek in Las Posadas State Forest. Comment
  UCD106498  Lathyrus vestitus D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  JEPS107263  Lathyrus vestitus var. vestitus Jake Ruygt 1994-3-26 3338 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 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
  JEPS39100  Layia chrysanthemoides W. L. Jepson 1915-4-23 6257 Napa Conn Valley Napa Range, Conn Valley Comment
  POM41472  Layia chrysanthemoides Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC323189  Layia chrysanthemoides John Thomas Howell 1931-4-2 6104 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  UC169317  Layia chrysanthemoides Joseph P. Tracy 1902-5-26 1635 Napa near Calistoga; Northern Coast Ranges, Napa Valley 243 Comment
  UC472393  Layia chrysanthemoides C. F. Sonne Apr 1887 1467 Napa near Napa Junction Comment
  UCD23376  Layia chrysanthemoides A. Bennett 1977-4-24 22 Napa 0.2 miles south of Knoxville Mine on Berryessa Knoxville Road. East of highway on level open field with many different cruciferous plants. Open meadow. Valley grassland. Comment
  JEPS106618  Layia gaillardioides Jake Ruygt 1980-4-22 841 Napa Pope Canyon Rd. at Walter Springs bridge (old) 195 Comment
  CAS-BOT-BC321716  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  JEPS40041  Layia septentrionalis W. L. Jepson 1897-6-26 Napa Howell Mountain Comment
  UCD170351  Layia septentrionalis Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 850 Napa Just north of Nevada Creek, west, east, and south of Knoxville Wildlife Area boundaries due to indentation in the southern boundary. 392 Comment
  CAS-BOT-BC534371  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma County line 243 Comment
  UCD120785  Leontodon saxatilis subsp. saxatilis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7328 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  JEPS110792  Lepechinia calycina Jake Ruygt 1992-5-15 2968 Napa Wild Horse Valley Ranch, west of road north of polo field 499 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
  JEPS115756  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS106832  Lepidium strictum Jake Ruygt 1982-3-17 1131 Napa Suscol plain along HWY 29 (221) 8 Comment
  CHSC83416  Leptosiphon latisectus L. P. Janeway; B. Castro 2002-5-12 7538 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. 536 Comment
  CHSC10563  Leptosiphon parviflorus Lowell Ahart 1969-6-7 Napa Near Lake Berryessa. 243 Comment
  HSC17075  Leptosiphon parviflorus C. B. Wolf 1928-5-3 1792 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  HSC45348  Leptosiphon parviflorus R. York 1978-4-8 110 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  SJSU8698  Leptosiphon parviflorus E. C. Garbett 1961-4-15 308 Napa Oakville Grade midway between Mt Veeder Rd & Oakville Comment
  UC2042989  Leptosiphon parviflorus Barbara Ertter with Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  JEPS106630  Lessingia hololeuca Jake Ruygt 1992-9-5 3142 Napa Tubbs Lane at Myrtledale Rd., Calistoga 122 Comment
  CAS-BOT-BC341993  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa Canyon of south fork of Butts Creek Comment
  JEPS20656  Lessingia ramulosa W. L. Jepson 1938-6-8 18887 Napa nw Pope Valley; South Fork of Butts Creek Comment
  RSA14531  Lessingia ramulosa Daniel Cleveland 1882-8-23 s.n. Napa Aetna Springs Comment
  UC570411  Lessingia ramulosa Chas. M. Belshaw and A. L. Mason 1936-9-20 2688 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD63158  Lessingia ramulosa Jake Ruygt 1990-9-19 2604 Napa North end of Wooden Valley. 231 Comment
  CAS-BOT-BC444419  Lewisia rediviva Colleena Stewart 1918-4-29 s.n. Napa Mt. St. Helena Comment
  UC204945  Lewisia rediviva C. F. Sonne May 1896 Napa Hills Napa Soda Springs Soda Springs Comment
  CAS-BOT-BC451587  Lilaea scilloides Peter H. Raven 1953-5-2 5364 Napa East of Yountville 76 Comment
  UCD161347  Lilaeopsis masonii Jake Ruygt 1986-5-17 1773 Napa East bank of Napa River at historic site of Suscol. (Coordinates estimated by label maker at UC Davis). 0 Comment
  JEPS113970  Lilium rubescens Jake Ruygt 1979-6-18 702 Napa 1 mile west of Highway 29 on Diamond Mountain Road. Calistoga 7.5' Quad. Comment
  CAS-BOT-BC132956  Lilium rubescens Tom Craig 1941-6-18 s.n. Napa Trinity Road, east slope Comment
  HSC45342  Limnanthes douglasii R. York 1978-4-8 117 Napa Pope Valley, Lake Springs Ranch 305 Comment
  UC971836  Limnanthes douglasii subsp. douglasii Annetta Carter 1942-4-19 1667 Napa 3.3 mi s Napa Comment
  UC17909  Limnanthes douglasii subsp. nivea Willis L. Jepson 1896-4-26 Napa Oakville Napa River Basin Comment
  UCD116516  Limnanthes douglasii subsp. nivea W. L. Jepson 1921-5-6 9175 Napa Calistoga. Comment
  JEPS122773  Limnanthes douglasii subsp. rosea Jake Ruygt 1999-4-21 4139 z Napa Parry Collins property on Atlas Peak Road near Milliken Reservoir property. Quad: Capell Valley. Comment
  SEINET5556952  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19736 Napa 3 mi. south of Calistoga. 91 Comment
  UC1277987  Linanthus acicularis B. Crampton 1957-6-4 4093 Napa n end Capell Valley (above Capell Creek); , Capell Creek 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
  JEPS110979  Linanthus ciliatus Jake Ruygt 1983-6-12 1490 Napa Mt. St. Helena 597 Comment
  JEPS58393  Linanthus dichotomus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UC1198534  Linanthus dichotomus J. P. Tracy 1902-5-14 1440 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD20384  Linanthus dichotomus K. Esau 1938-4-13 s.n. Napa Highway between Monticello and Napa. Comment
  UCD167994  Linanthus dichotomus subsp. meridianus James A. Neilson Jr. 1977-4-13 3869 Napa 1 to 2 miles east Maple Springs along Oat Hill Mine Rd. (Exact location unknown, coordinates estimated by label maker.) Comment
  POM182740  Linanthus dichotomus subsp. meridianus D. D. Keck 1931-4-2 1044 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  JEPS110997  Linanthus jepsonii Jake Ruygt 1987-5-9 1980 Napa north of Catalpa Dr., Circle Oaks 396 Comment
  JEPS58101  Linanthus jepsonii Willis L. Jepson 1893-5-2 20936 Napa near Calistoga; Napa River Basin Comment
  RSA0004837  Linanthus jepsonii C. Goodwillie 1995-5-11 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km west of Hardin Road, and 60 meters north of vernal pool on north-facing. 256 Comment
  SEINET10697801 Image available Linanthus jepsonii Carol Goodwillie 1995-5-11 Goodwillie 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km. west of Hardin Road, and 60 meters north of vernal pool on north-facing, grassy slope. 256 Comment
  CDA40092  Linanthus parviflorus T. C. Fuller 1958-5-1 3720 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  UC908692  Linanthus parviflorus Herbert L. Mason 1926-3-22 2790 Napa along road from Calistoga to Petrified Forest (near Sonoma County line) Comment
  JEPS58547  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD110568  Linum bienne Irving Grover 1959-5-15 s.n. Napa Near Napa. Comment
  JEPS110623  Lithophragma affine Jake Ruygt 1997-4-5 3824 Napa South of intersection of Butts Canyon Rd with James Creek Rd 207 Comment
  SFV8647  Lithophragma affine P. W. Fong 1971-5-1 57 Napa McDonald Ranch, about 20 miles northwest of intersection of State Highways 121 and 128 on Chiles Valley Road. North facing slope near top of small hill. 244 Comment
  UCD102700  Lithophragma affine David Lawfer 1952-3-29 139 Napa Napa. Comment
  UC1196487  Lithophragma heterophyllum J. P. Tracy 1902-5-15 1470 Napa 3-4 mi e of Angwin's head of Moore's Creek; Howell Mountain, head of Moore's Creek 396 Comment
  RSA789041  Lithophragma heterophyllum Carrie A. Herd 1982-5-9 97 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  UCD102717  Lithophragma heterophyllum Collector unknown 1931-4-19 s.n. Napa Calistoga. Comment
  UCD170197  Lithophragma parviflorum var. parviflorum Daniel Potter 2015-3-14 760 Napa Knoxville Wildlife Area, near small creek southwest of Zim Zim Creek. 303 Comment
  UCD159923  Logfia filaginoides Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.E section. 243 Comment
  UCSC009036  Logfia filaginoides Dylan M. Neubauer 2015-4-26 138 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction with Snell Valley Road 200 Comment
  CAS-BOT-BC342246  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 miles from Calistoga Comment
  UCD148819  Logfia gallica Ellen Dean; Diana Hickson 2014-4-29 8125 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD18000  Logfia gallica Ellen Dean; with Plant Biology 102 class 2001-4-28 731 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 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
  UC1563667  Lomatium californicum Barbara Ertter with Annetta Carter 1989-5-28 8498 Napa 9.0 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa); n of Lake Berryessa 243 Comment
  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
  RSA10651  Lomatium californicum C. B. Wolf 1928-5-3 1838 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCSC000522  Lomatium californicum M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UC723788  Lomatium dasycarpum subsp. dasycarpum Joseph Andorfer Ewan 1934-4-30 8829 Napa near Samuel Springs above Monticello (Pope Valley Grade); Pope Valley Grade Comment
  UC1010363  Lomatium dasycarpum subsp. tomentosum Milo S. Baker 1932-5-8 5884 Napa Pope Creek ca. seven mi. from Monticello; Pope Creek Comment
  UC723796  Lomatium hooveri Joseph Andorfer Ewan 1937-5-23 10361 Napa Knoxville Ridge above Knoxville; Knoxville Ridge 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
  JEPS104570  Lomatium macrocarpum Jake Ruygt 1981-5-13 1022 a Napa American Canyon, .2 mile east of Flosden Road 164 Comment
  UCD161342  Lomatium macrocarpum Jake Ruygt 1985-5-25 1604 Napa Napa County : American Canyon, 0.4 mile east of Flosden Road. (Coordinates estimated by label maker at UC Davis). 91 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
  JEPS13744  Lomatium marginatum var. purpureum Frank W. Gould 1939-4-6 613 Napa one mi N of Knoxville Comment
  UC21241  Lomatium nudicaule Willis L. Jepson 1894-5-1 Napa Napa R. Basin, Conn Valley Comment
  JEPS101764  Lomatium repostum Dean W. Taylor 1998-6-3 16456 Napa Kidd Canyon on road 50 m N of mine mill site ca. 0.5 road miles N of Twin Peaks Mine 579 Comment
  UC1299238  Lomatium repostum Freed W. Hoffman 1947-6-17 1645 Napa North Coast Ranges, Dry Creek Comment
  SEINET7883499 Image available Lomatium repostum Unknown 1946-1 3048 Napa Southeast slope of Mount Saint Helena near the old inn Comment
  CDA41074  Lomatium utriculatum G. F. Hrusa, J. Messina 1989-3-3 5873 Napa North Coast Biodiversity Arena; along Hwy 128 W of Monticello Dam (Lake Berryessa). Comment
  HSC44004  Lomatium utriculatum Robert M. Specht 1977-4-13 659 Napa 524 Comment
  UC1197143  Lomatium utriculatum Joseph P. Tracy 1904-5-23 2084 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UC566817  Lomatium utriculatum H. L. Mason 1926-3-22 2786 Napa from Calistoga to Petrified Forest Comment
  UCD127802  Lomatium utriculatum Moacyr Maestri 1965-3-19 7 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley. Comment
  UCD148803  Lomatium utriculatum Ellen Dean; Diana Hickson 2014-4-29 8110 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  UCD170217  Lomatium utriculatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 740 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  UC1368793  Lomatium utriculatum David H. French 1968-4-20 2859 Napa about 11 mi NW of Napa (E side of road called Silverado Trail) Comment
  UCD16040  Lomatium utriculatum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 20 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7'' N, 122 deg. 20' 22.4'' W; 396 m. Comment
  UCD63187  Lomatium utriculatum Jake Ruygt 1980-3-22 815 Napa Snell Valley. Comment
  JEPS12850  Lonicera hispidula var. vacillans W. L. Jepson 1898-1-4 Napa Howell Mountain Comment
  CAS-BOT-BC240798  Lonicera interrupta Peter H. Raven 1951-5-20 2859 Napa Oakville to Glen Ellen, Sonoma Co. 274 Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  JEPS12818  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin Comment
  UCD137355  Lonicera interrupta K. Esau 1941-7-17 s.n. Napa Between Middletown and Calistoga. 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
  SEINET5501037 Image available Lonicera interrupta Sally Walker 1981-5-18 Napa 3.6 mi S of middletown, Napa Co. Comment
  JEPS126121  Lonicera involucrata var. ledebourii Jake Ruygt 1997-5-10 3848 Napa Atlas Peak Road about 0.2 miles south of Foss Valley (Mead). Capell Valley 7.5' Qua. 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
  POM18640  Lotus humistratus C. F. Baker 1903-4-20 7481 Napa Mt. St. Helena. 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
  RSA617140  Lotus micranthus A. C. Sanders 1996-6-1 18193 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  SEINET7072565  Lotus micranthus A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  UCR91213  Lotus micranthus A. C. Sanders 1996-6-1 18193 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  JEPS65170  Lotus micranthus W. L. Jepson 1938-5-18 18793 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  JEPS55723  Lotus oblongifolius var. oblongifolius W. L. Jepson 1893-6-26 13789 Napa Howell Mountain Comment
  JEPS55897  Lotus scoparius Willis L. Jepson 1893-6-26 13805 Napa grade to Howell Mt. Napa River Basin Comment
  UC1051753  Lotus scoparius Helen K. Sharsmith 1953-6-15 4186 Napa just w junction of Cappell Valley and Monticello roads (se slope of Cappell Valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  JEPS107203  Lotus strigosus Jake Ruygt 1991-4-20 2635 Napa Mead Ranch, Atlas Peak Rd. 548 Comment
  CDA10890  Lotus wrangelianus G. F. Hrusa, M. Rejmanek 1993-5-15 10985 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD78328  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-10-4 05- 35 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 98 Comment
  RSA735364  Lupinus Keith E. Hoffmaster 1946-3-23 1093 Napa Napa range, along Napa-Monticello road Comment
  UC82137  Lupinus D. Cleveland 1882-8-25 Napa Aetna Springs Comment
  UC15756  Lupinus affinis Willis L. Jepson 1893-4-26 Napa Oakville; Napa River Basin, Oakville Comment
  CDA950  Lupinus albifrons D. G. Kelch 2002-4-1 2 .009 Napa Mt. Veeder Rd. Comment
  JEPS64926  Lupinus albifrons Willis L. Jepson 1896-2-22 35 t Napa New Eden Napa River Basin, Howell Mt. (Howell Mt.) Comment
  UC1129311  Lupinus albifrons A. E. Wieslander 1934-2-25 868 Napa 3 mi n Calistoga (Calistoga--Middletown); Calistoga quad. Comment
  UC157020  Lupinus albifrons Joseph P. Tracy 1902-5-21 1568 Napa on hills at head of Moore's Creek (Howell Mountain, 3-4 mi e of Angwin's); Northern Coast Ranges, , Howell Mt. 365 Comment
  UCD144412  Lupinus albifrons G. F. Hrusa 1995-4-2 12048 Napa 1 mile northeast of corner of Chiles-Pope Valley Road and Highway 128 heading up Salt Canyon, upper end of Hennessey Res., on Highway 128. 200 Comment
  CAS-BOT-BC201549  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1939-4-8 2505 Napa Howell Mt. 1 mi. s.w. of Pac. Union College Comment
  CAS-BOT-BC201559  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC196281  Lupinus albifrons var. eminens Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  JEPS107231  Lupinus bicolor Jake Ruygt 1982-4-25 1204 a Napa Aetna Springs below Swartz Canyon 246 Comment
  JEPS107234  Lupinus bicolor Jake Ruygt 1995-5-1 3460 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  UC1300887  Lupinus bicolor Helen K. Sharsmith 1963-3-17 5229 Napa along Silverado Trail; San Francisco Bay Region, along Silverado Trail 76 Comment
  UCD161527  Lupinus bicolor Jake Ruygt 1991-4-6 2623 -z Napa Lyerla Ranch, near Montgomery Creek on Mt. Veeder Road. 350 Comment
  RSA79064  Lupinus formosus var. formosus E. K. Balls, Lee W. Lenz 1952-5-8 17105 Napa 2.8 miles west from Calistoga, road to Santa Rosa via Petrified Forest. 91 Comment
  UC15892  Lupinus latifolius var. latifolius W. L. Jepson June 1891 Napa Vaca Mts. Comment
  CHSC79163  Lupinus microcarpus Beecher Crampton 1954-5-6 1833 Napa Hwy. 37, 9 miles south of Monticello. 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
  OBI48334  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  RSA659034  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa Ca 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  SBBG114094  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa St Hwy 128 E, 7.2 mi E of jct with Hwy 121, 2.9 mi W Monticello Dam, Lake Berryessa 274 Comment
  UC577241  Lupinus microcarpus var. densiflorus John Thomas Howell 1935-5-12 12625 Napa along Pope Creek near its confluence with Putah Creek; Pope Creek near its confluence with Putah Creek Comment
  CHSC108727  Lupinus microcarpus var. microcarpus B. Castro; L. P. Janeway 2002-5-12 1371 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  JEPS107216  Lupinus microcarpus var. microcarpus Jake Ruygt 1988-5-29 2195 Napa Cedar Valley 588 Comment
  JEPS65393  Lupinus nanus Willis L. Jepson 1893-4-24 29 t Napa hills e St. Helena to Conn Valley (Napa River Basin); , hills e of St. Helena to Conn Valley Comment
  UC1300898  Lupinus nanus Helen K. Sharsmith 1963-3-17 5220 Napa s side Mt. Atlas; San Francisco Bay Region, s side Mt. Atlas 609 Comment
  UC81976  Lupinus nanus C. F. Baker 1903-4-19 1990 Napa Calistoga Comment
  UCD108963  Lupinus nanus K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  JEPS85043  Lupinus nanus Larry Heckard, Mary Ashton 1969-5-3 2191 Napa 7 mi ne of Napa (Mead Ranch, off Atlas Peak Road); Mead Ranch 457 Comment
  SEINET7042698 Image available Lupinus nanus A. G. Vestal 1941-5-11 s.n. Napa Along Southern Pacific Rail Road 1 mile south of Saint Helena. Rutherford quadrangle UTM Zone 10, 548193mE, 4259900mN. Comment
  POM66227  Lupinus nanus subsp. nanus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  POM10633  Lupinus polycarpus C. F. Baker 1903-4-19 1988 Napa Calistoga. Comment
  CAS-BOT-BC202220  Lupinus sericatus Charles Piper Smith 1948-6-3 48312 Napa Highway 29 - Stevenson Place, 1.1 miles north Comment
  CAS-BOT-BC202222  Lupinus sericatus Charles Piper Smith 1931-5-2 4501 Napa Toll House Inn Comment
  CAS-BOT-BC202223  Lupinus sericatus Charles Piper Smith 1932-5-15 4658 Napa St. Helena Inn, highway 29 Comment
  UCD161642  Lupinus sericatus Jake Ruygt 2005-5-11 4836 Napa Oat Hill Mine Road, upper Swartz Canyon. (Coordinates converted from UTM data by label maker.) 701 Comment
  RSA699930  Luzula campestris Keith E. Hoffmaster 1946-3-23 1080 Napa Napa range, near summit of Napa-Monticello road. Comment
  RSA15623  Luzula comosa Carl B. Wolf 1928-2-25 1484 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  CAS-BOT-BC441243  Luzula macrantha Alice Eastwood 1922-3-25 11094 Napa Calistoga Comment
  UCD167281  Lythrum hyssopifolia Jake Ruygt 1989-6-25 2385 Napa Napa River north of Trancas Street, Napa. 1 Comment
  JEPS112656  Lythrum tribracteatum Jake Ruygt 1983-8-19 1497 Napa Marina Dr., Napa 4 Comment
  UC527943  Madia anomala R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6671 Napa 6 mi ne of Pacific Union College; Howell Mt., Aetna Springs Comment
  CAS-BOT-BC342615  Madia anomala R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6671 Napa 6 mi. NE. of Pacific College (Howell Mt.) on road to Aetna Springs Comment
  CAS-BOT-BC343827  Madia elegans Peter H. Raven 1952-5-31 4151 A Napa Nr. Rector Dam 182 Comment
  CAS-BOT-BC343831  Madia elegans Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS7382  Madia elegans Willis L. Jepson Aug 1892 Napa Napa Valley Comment
  POM225540  Madia elegans subsp. elegans Kate Eastwood Phelps 1932-09 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CDA31290  Madia exigua D. G. Kelch 2010-5-6 10 .181 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  HSC81602  Madia exigua Thomas W. Nelson, Jane P. Nelson 1980-5-3 5146 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS106546  Madia exigua Jake Ruygt 1982-5-15 1258 Napa Stags Leap-Soda Canyon 426 Comment
  UCD111672  Madia exigua Christopher Mallek 2007-5-13 s.n. Napa Knoxville. 593 Comment
  JEPS38330  Madia exigua W. L. Jepson 1938-5-18 18794 Napa slope above St. Helen Sanitarium; Howell Mts. Comment
  CAS-BOT-BC343201  Madia gracilis David D. Keck 1933-5-29 2343 Napa Pope Creek Bridge south of Walters Springs Comment
  JEPS40336  Madia gracilis W. L. Jepson 1896-6-2 Napa Stone Bridge Hill Napa Valley, St. Helena Comment
  UCD161292  Madia gracilis Jake Ruygt 1978-5-14 314 Napa 0.6 miles north of Oakville Cross Road on Silverado Trail. (Coordinates estimated by label maker at UC Davis). 60 Comment
  UCD63149  Madia gracilis Jake Ruygt 2003-4-14 4498 Napa Lower hills of Blue Ridge east of Zim-Zim Creek. 365 Comment
  JEPS40330  Madia gracilis Willis L. Jepson 1894-5-1 Napa e of St. Helena; Napa River Basin Comment
  POM53357  Madia nutans W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin, Wooden Valley Grade Comment
  CAS-BOT-BC345049  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  CAS-BOT-BC347512  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC347517  Malacothrix floccifera Peter H. Raven 1951-5-6 2824 Napa Burn below Conn Dam 274 Comment
  UC527941  Malacothrix floccifera R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6677 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UCD170432  Malacothrix floccifera Daniel Potter; Daniel McNair 2016-4-23 924 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. 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
  UCD69017  Malacothrix floccifera P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  JEPS122723  Malvella leprosa Jake Ruygt 1992-9-5 3147 Napa Highway 29 at intersection with Highway 12. Quad: Cuttings Wharf. Comment
  JEPS106388  Marah fabacea Jake Ruygt 1986-3-22 1667 Napa Vaca Mountains east of Markley Cove 316 Comment
  UC504872  Marah fabacea R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UCD81822  Marah fabacea Ellen Dean 2009-4-24 5449 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS103972  Marsilea vestita subsp. vestita Jake Ruygt 1998-6-13 4023 Napa Milliken Creek south of Foss Valley. 405 Comment
  JEPS103981  Marsilea vestita subsp. vestita Jake Ruygt 1986-8-23 1909 Napa Lake Hennessey 92 Comment
  SEINET8891122 Image available Matricaria discoidea Alex Lasseigne 2003-1 13730 Napa Vicinity of Oakfield grocery store.; Oakville 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
  UCD15989  Medicago polymorpha C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 27 Napa McLaughlin Reserve,North of Knoxville-Berryessa Rd. Along old Knoxville Rd., just S of site of lod town of Knoxville, W side of road. 38 deg. 49' 38.7'' N; 122 deg. 20' 22.4'' W; 420 m. Comment
  SACT001487  Melica californica John Willoughby 1977-4-27 Napa Along state highway 128 very near dam, north-facing rocky slope on south side of highway. Comment
  UC53669  Melica californica Willis L. Jepson 1893-1 Napa Napa Valley; Napa River Basin Comment
  UC771210  Melica californica W. S. Boyle 1942-4-25 1071 Napa 10 mi n Napa (on the Silverado Trail road) Comment
  UCD41416  Melica californica Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 129 Napa California, Napa County, McLaughlin UC Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, side of road. 487 Comment
  UCD87008  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  JEPS122950  Melica geyeri Jake Ruygt 1983-4-1 1400 Napa Redwood Road north of Mt. La Salle. Quad: Sonoma. Comment
  POM263002  Melica geyeri J. C. Roos 1939-5-12 317 Napa Angwin, Howell Mtn., Napa Range. Comment
  UC187217  Melica geyeri Joseph P. Tracy 1902-5-15 1468 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 396 Comment
  UCD96193  Melica geyeri Ellen Dean; with Clare Loughran 2011-5-20 7074 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  RSA0078573  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St. Helena Grade. Comment
  CHSC30531  Melica geyeri var. aristulata N. E. H. Prouty 1980-4-12 124 Napa Along Hwy. 29, roadmarker 41.12. Ca. 4 1/2 mi. SW of Robert Louis Stevenson State Park. Western slope of Mt. St. Helena. 243 Comment
  UC766850  Melica harfordii R. F. Hoover 1941-5-10 5013 Napa e side Mt. St. Helena Comment
  POM126094  Melica subulata Joseph P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 396 Comment
  HSC10377  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  SBBG115838  Melica torreyana B. Crampton 1958-4-29 4756 Napa Capell Crks, N end of Capell Valley Comment
  SEINET200624 Image available Melica torreyana J. P. Tracy 1933-6-2 12465 Napa Howell Mtn Rd 5 mi E of St Helena 305 Comment
  UC1103165  Melica torreyana J. P. Tracy 1902-5-22 1628 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 365 Comment
  UC1103166  Melica torreyana Joseph P. Tracy 1933-6-2 12465 Napa 5 mi e St. Helena (Howell Mt Road); Northern Coast Ranges 304 Comment
  UC1151665  Melica torreyana Beecher Crampton 1958-4-29 4756 Napa n end Capell Valley (above Capell Creek) Comment
  UC53664  Melica torreyana W. L. Jepson 1896-6-2 Napa Conn Ridge Comment
  JEPS65542  Melilotus albus W. L. Jepson 1937-9-29 18569 Napa St. Helena; on road to Sanitorium Comment
  UCD108089  Melilotus indicus Helen K. Sharsmith 1953-6-15 4193 Napa Adjacent to Soda Creek, on road to Rutherford 2 miles west of junction with Monticello road. 213 Comment
  RSA769187  Mentha X piperita L. Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 air miles west of Winters 135 Comment
  JEPS112572  Mentzelia dispersa Jake Ruygt 1989-5-20 2337 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 822 Comment
  UCD102837  Micranthes californica G. L. Webster 1967-3-23 7498 Napa Between Wragg Canyon and Markley Canyon, c. 5 miles SW Monticello Dam. 396 Comment
  UCD170200  Micranthes californica Daniel Potter 2015-3-14 757 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 241 Comment
  CAS-BOT-BC322616  Micropus amphibolus John H. Thomas 1959-4-19 7111 Napa About 2 miles SW of Oakville 152 Comment
  CDA12105  Micropus californicus G. F. Hrusa 1989-4-24 5963 A Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  UCD168548  Micropus californicus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  SEINET205166  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek ca .5 mi W of Devilhead Rd ca 3 mi SSW of Knoxville Comment
  UC164800  Micropus californicus var. californicus J. P. Tracy 1902-5-15 1441 Napa 3-4 mi e Angwin's; head of Moore's Creek 365 Comment
  POM182669  Microseris elegans D. D. Keck 1931-4-4 1093 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  POM53428  Microseris lindleyi C. F. Baker 1903-4-20 2609 Napa Mt. St. Helena. Comment
  CDA11431  Mimulus angustatus G. F. Hrusa, M. Tu 1995-5-6 12154 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  CDA13210  Mimulus angustatus G. F. Hrusa, M. J. Geitner 1996-4-2 12824 Napa North Coast Biodiversity Arena; Near junction of canyons below the Palisades leading to Bear Valley and Cub Valley. MonteSol Ranch. Comment
  JEPS128902  Mimulus angustatus Jake Ruygt 1994-4-9 3345 Napa Los Posadas State Forest. Saint Helena 7.5' Quad. Comment
  UC1103335  Mimulus angustatus J. P. Tracy 1902-5-19 1557 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC1103336  Mimulus angustatus Joseph P. Tracy 1933-4-30 12104 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC147894  Mimulus angustatus J. P. Tracy 1902-5-18 1536 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  JEPS11430  Mimulus arvensis Willis L. Jepson 1893-4-25 11 m Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, Hoods Peak Range Comment
  JEPS41081  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9097 Napa about 3 air mi s Knoxville (along jeep trail, sw of waterfall of Zim Zim Creek, leading to headwaters of Nevada Creek) 396 Comment
  RSA491727  Mimulus aurantiacus var. aurantiacus James L. Reveal 1987-6-7 6398 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville. 610 Comment
  RSA52723  Mimulus aurantiacus var. aurantiacus I. L. Wiggins 1949-4-30 12077 Napa hillsides along old toll road between Calistoga and Middleton, about 1.5 mi from Calistoga Comment
  UC445121  Mimulus aurantiacus var. aurantiacus H. P. Chandler 1907-5-29 7588 Napa White Sulphur Spring St. Helena Comment
  UC445123  Mimulus aurantiacus var. aurantiacus C. F. Sonne April 1887 604 Napa near Vallejo; White Sulphur Springs Comment
  RSA298679  Mimulus aurantiacus var. aurantiacus D. C. Michener, Walter Wisura, D. Charlton, John Dourley 1982-7-25 4117 Napa [Unspecified] Comment
  CDA41660  Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  UC444808  Mimulus douglasii J. P. Tracy 1902-5-22 1624 1/2 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 365 Comment
  UCD21541  Mimulus douglasii B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 7 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  UCD84985  Mimulus douglasii Dena Grossenbacher 2009-3-3 949 Napa East side of Bell Creek about 75 meters up slope from creek. Wildlake Preserve, Napa County Land Trust property. 461 Comment
  UCD84988  Mimulus douglasii Dena Grossenbacher 2009-3-23 950 Napa 0.3 miles west of Potato Hill and 0.1 miles north of High Point, Duff Preserve, Napa County Land Trust property. 755 Comment
  JEPS10573  Mimulus douglasii Willis L. Jepson 1893-3-13 60 m Napa hills e St. Helena; Napa River Basin, Howell Mt. foothills Comment
  UC103695  Mimulus guttatus T. S. Brandegee Aug. 1888 Napa Howell Mt. Comment
  SEINET7041071  Mimulus guttatus Christopher T. Ivey 2002-4-30 362 Napa Along margins of Smittle Creek near Lake Berryessa in the Smittle Creek Recreation Area, 8.6 mile north of Highway 128 on Knoxville-Berryessa Road. Comment
  CAS-BOT-BC153780  Mimulus kelloggii Belle Richardson Jackson 1923-5-10 s.n. Napa unspecified Comment
  JEPS110610  Mimulus layneae Jake Ruygt 1992-5-15 2958 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
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Nov 11 2011
  RSA670138  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd, 1 mi NW of Homsestake mine. 655 Comment
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Nov 11 2011
  UC147882  Mimulus layneae J. P. Tracy 1902-5-19 1544 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 426 Comment
  JEPS11436  Mimulus microphyllus W. L. Jepson 1921-5-6 9168 Napa Yountville 30 Comment
  UC26989  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD160788  Mimulus microphyllus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8668 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
  UCD63062  Mimulus microphyllus Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UC147911  Mimulus nasutus J. P. Tracy 1902-5-15 1472 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD122707  Mimulus nasutus L. P. Thibault 1995-5-21 52 Napa along Wragg Creek north side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  JEPS11347  Mimulus nasutus Willis L. Jepson 1893-5-1 5 m Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS11428  Mimulus nasutus W. L. Jepson 1921-5-6 9169 Napa Yountville 30 Comment
  UCD122657  Mimulus nasutus Alan P. Godlewski 1974-5-3 8 Napa West of Lake Berryessa. Comment
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  JEPS100845  Mimulus nudatus Dean Wm. Taylor with Mey Akasah 1999-6-4 17223 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD122792  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  JEPS110595  Mimulus pilosus Jake Ruygt 1998-8-29 4110 Napa Berryessa-Knoville Road, Eticuera Creek 268 Comment
  UC1196778  Mimulus pulsiferae J. P. Tracy 1902-5-19 1566 Napa 3-4 mi e Angwin's (in stream bed); Howell Mountain, La Jota Plateau, head of Moore's Creek 518 Comment
  JEPS22478  Minuartia californica Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin Comment
  UCD98253  Minuartia californica R. F. Denno 1967-4-15 45 Napa on Lower Chiles Valley Road, 3/4 mile northwest of State Highway 128. 228 Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 Comment
  CAS-BOT-BC388760  Minuartia douglasii David D. Keck 1933-5-29 2346 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC388758  Minuartia douglasii John Thomas Howell 1933-6-4 11393 Napa Hills east of Napa Comment
  CAS-BOT-BC388762  Minuartia douglasii Betty H. Johnson 1958-6-15 611 Napa Slope near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  UCD161539  Minuartia douglasii Jake Ruygt 1992-4-10 2899 Napa Wild Horse Valley Ranch east of south lake. 463 Comment
  UCD167260  Mollugo verticillata Jake Ruygt 1991-6-29 2753 Napa 3.2 miles north of Pope Canyon Road on Berryessa Knoxville Road. 121 Comment
  CAS-BOT-BC220615  Monardella villosa Betty H. Johnson 1958-6-15 616 Napa Near St. Helena River, 6.4 mi. S. W. of Middletown Comment
  CAS-BOT-BC220616  Monardella villosa Peter H. Raven 1950-6-20 2342 Napa In the Napa Range between Conn Valley & the Summit of Howell Mtn., Napa Range Comment
  SEINET4173667 Image available Monardella villosa Jack Major 1961-6-13 545 Napa Monticello Dam, State Hwy 128 Comment
  UCD166667  Monardella villosa subsp. villosa Jake Ruygt 2007-6-2 5220 Napa Duff Ranch, road above Simmons Canyon. 573 Comment
  LA54246  Monardella viridis Robert F. Hoover; 1941-8-24 5575 Napa Mount St. Helena, E side Comment
  UCD20755  Monardella viridis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 104 Napa McLaughlin UC Reserve. Just S of the reserve on Adam's Ridge Rd. 1.6 road miles E of the jct with Devilhead Rd. 640 Comment
  UCD166673  Monardella viridis Jake Ruygt 1992-6-22 3048 Napa Wild Horse Valley Ranch, northwest of vernal pool meadow. 481 Comment
  JEPS110826  Monardella viridis subsp. viridis Jake Ruygt 1979-7-21 755 Napa 1 mile SW of College Ave. on Howell Mtn Road 463 Comment
  UCD63152  Monolopia major Jake Ruygt 1998-4-22 3931 Napa Blue Monday Mine, Cement Creek Road. 499 Comment
  JEPS43266  Montia fontana Willis L. Jepson May 1893 Napa Upper Napa Valley, Calistoga Calistoga; Napa River Basin, Upper Napa Valley, Calistoga Comment
  UC1151681  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa hills above Capell Creek (n end of valley); Capell Valley Comment
  UCD145104  Myriophyllum spicatum Tim Allen 2001-7-12 110326 7 Napa Lake Berryessa, close to 4290 Knoxville Rd, Napa. Comment
  UCR178671  Narcissus pseudonarcissus Ellen Dean, T. Starbuck, M. Starbuck, J. Bradford 2003-2-21 1351 Napa Vaca Mtns, Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam, along Decker Ridge Road where it joins with South Decker Canyon Road 351 Comment
  CAS-BOT-BC259761  Nassella cernua Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5332 Napa Pope Creek E of Samuels Springs 91 Comment
  UC1019315  Nassella cernua Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5332 Napa creek e Samuels Springs; Pope Creek 91 Comment
  CAS-BOT-BC260178  Nassella pulchra H. M. Hall 1921-4-14 11265 Napa Near Napa junction Comment
  JEPS85048  Nassella pulchra Larry Heckard and Mary Ashton 1969-5-3 2219 Napa 7 mi ne Napa (off the Atlas Peak Rd.; Mead Ranch; above and w of the north meadow); Mead Ranche 510 Comment
  CAS-BOT-BC60336  Nasturtium officinale Betty H. Johnson 1958-6-15 636 Napa Near Spring, 0.5 mile above Mount Mill House, 6.4 miles southwest of Middletown. Comment
  UCD41221  Nasturtium officinale Ryan M. Ross 1976-5-16 33 Napa About 1.5 miles from 128 South on Road 121. Comment
  CAS-BOT-BC230262  Navarretia cotulifolia Peter H. Raven 1952-5-26 4054 Napa 3 miles E of Pope Valley P. O. on Monticello Road 182 Comment
  UCD48411  Navarretia heterodoxa Heidi E. M. Dobson 1978-6-29 346 Napa California, Napa County: East slope of Mt. Veeder. Comment
  UCD167178  Navarretia heterodoxa Jake Ruygt 2005-7-3 4938 Napa Atlas Peak Road (Mead Ranch), south of Foss Valley, road to vernal pools. 481 Comment
  UC143015  Navarretia intertexta Katharine Brandegee 1910-7-27 Napa near Angwin's Comment
  JEPS112534  Navarretia intertexta subsp. intertexta Jake Ruygt 1980-6-21 932 Napa Bear Valley 621 Comment
  JEPS112531  Navarretia jepsonii Jake Ruygt 1993-5-22 3264 Napa on private road across from James Creek Rd at Butts Canyon Rd 207 Comment
  SEINET5642396  Navarretia paradoxinota Leigh A. Johnson 1996-5-26 96 -012 Napa Along Snell Valley Road within 50 yards of jct. between Snell Valley Road and Butts Canyon Road. In moist earth and shallow pool along S side of road. 350 Comment
  CAS-BOT-BC232668  Navarretia pubescens R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6669 Napa 6 miles NE of Pacific Union College (Howell Mountain) on road to Aetna Springs Comment
  JEPS112553  Navarretia pubescens Jake Ruygt 1981-5-21 1041 Napa Putah Creek north of Snell Valley 231 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
  UCD48623  Navarretia pubescens Katherine Lahey 1981-5-24 102 Napa Napa Co. 2.2 mi S of junction State Hwy's 128 and 121 on Hwy 128 roadside. 243 Comment
  UCD59442  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Markley Canyon, Vaca Mountains. Hwy. 128. Comment
  UC142969  Navarretia squarrosa Katharine Brandegee 1910-7-26 Napa Pope Valley Comment
  SEINET5641795  Navarretia subuligera Leigh A. Johnson, David Gowen 2009-5-30 09 -052 Napa Along trail to Table Rock on East side of Hwy from parking area off Hwy 29.; 0 725 Comment
  JEPS70480  Navarretia tagetina Willis L. Jepson 1893-6-26 15027 Napa Howell Mt. Napa River Basin Comment
  JEPS70485  Navarretia tagetina W. L. Jepson 1894-10-14 15022 Napa sw of Calistoga (hills back of Rebecca Ranch); Napa River Basin Comment
  UC143006  Navarretia tagetina Katharine Brandegee 1910-5 Napa above Calistoga; Toll House Grade Comment
  JEPS70499  Navarretia viscidula W. L. Jepson 1938-9-22 19015 Napa near Sanitarium (in Lyons Valley, in lower slopes of Howell Mt.); Howell Mt., Lyons Valley Comment
  JEPS70512  Navarretia viscidula W. L. Jepson 1901-8-6 1736 Napa near Bottle Mt.; Napa River Basin, St. Helena Comment
  UCD75835  Nemacladus capillaris Jake Ruygt 2005-6-1 4895 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  SEINET10873103  Nemacladus capillaris Baker 1947-7-7 Baker 11852 Napa At end of wood road leading south from Mount St. Helena Inn towards "The Crater" 914 Comment
  UC1199528  Nemacladus capillaris Francia Chisaki 1957-5-30 971 Napa between Chiles and Monticello (by Soda Creek); Soda Creek Comment
  JEPS78509  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge Comment
  UCD149662  Nemacladus montanus 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
  UCD72910  Nemacladus montanus B. Wengeler 1995-4-30 s.n. Napa 2 m N of hwy 128 along Knoxville Rd. 183 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
  SEINET3156475  Nemophila divaricata L. S. Rose 1939-4-16 39087 Napa 10 miles NE of Napa, Wooden Valley Comment
  CHSC45839  Nemophila heterophylla Lowell Ahart 1976-3-7 1027 Napa On a steep slope, about 1/4 mile south of the road, about 2 miles south-west of the Monticello Dam. 152 Comment
  JEPS3154  Nemophila heterophylla W. L. Jepson 1900-3-10 547 Napa ne St. Helena (between Napa River and Sanitarium); btw Napa River and Sanitarium, ne of St. Helena Comment
  UC606891  Nemophila heterophylla L. Constance 1938-3-27 2035 Napa e slope 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UCD23386  Nemophila heterophylla Greg Vita 1978-4-23 15 Napa Corolla white. Foothill woodland, partial sun, hillside along roadside. 1.4 miles southeast of lower Childs Rd. 146 Comment
  UCD68105  Nemophila heterophylla Cheryl Gillespie 1981-4-18 3 Napa Knoxville Road, 8.9 miles North of the intersection with Pope Canyon Road. Comment
  JEPS110841  Nemophila menziesii Jake Ruygt 1977-3-14 156 Napa .2 mile north of Silverado Trail on Soda Canyon Rd. 121 Comment
  UCR267439  Nemophila menziesii Stephen P. Rae, Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, c. 1 km west of Anguin; McCrane property 526 Comment
  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
  SEINET9351968  Nemophila menziesii var. atomaria Unknown 1933-4-2 91 Napa Napa Co., CA Comment
  POM289744  Nemophila menziesii var. menziesii Ethel Crum 1936-3-15 1738 Napa Chiles Valley Road, 3.2 miles from Pope Valley store. Comment
  CAS-BOT-BC219385  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  JEPS122702  Nerium oleander Jake Ruygt 2002-10-8 4463 Napa Berryessa-Knoxville Road at the outflow of Smittle Creek in the lake. Quad: Chiles Valley. Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  UCD126721  Nicotiana quadrivalvis J. M. Tucker; C. H. Lamoureux 1958-6-8 3403 Napa State Highway 128, 2.7 miles northeast of Rutherford. Comment
  UCD83391  Notholithocarpus densiflorus var. densiflorus Jake Ruygt 1998-6-15 4027 Napa Mt. St. Helena on fire trail about 0.5 mi past cabin trail. 731 Comment
  UCD73443  Nuttallanthus texanus 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
  UCD164770  Odontostomum hartwegii Jake Ruygt 2014-5-19 5941 Napa Sutro Ranch, Atlas Peak. 472 Comment
  JEPS110557  Oemleria cerasiformis Jake Ruygt 1987-3-14 1926 Napa Conn Valley Rd. (near PG&E and transform er) 109 Comment
  JEPS43960  Oenothera elata subsp. hirsutissima Willis L. Jepson 1893-9-23 14495 Napa above Calistoga; Napa River Basin, Upper Napa Valley Comment
  UCD132729  Olea europaea Ramona Robison 2012-4-26 s.n. Napa Bale Gristmill State Historic Park, Near parking area and around historic mill. 121 Comment
  CAS-BOT-BC502767  Orobanche bulbosa Peter H. Raven 1951-6-10 2924 Napa Crater Region S of Palisades 762 Comment
  JEPS110567  Orobanche valida subsp. howellii Jake Ruygt 1986-6-14 1823 Napa Craters, canyon at head of Table Rock 707 Comment
  CAS-BOT-BC243698  Orobanche valida subsp. howellii Alice A. Ackley 1964-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC238388  Orthocarpus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD32414  Orthocarpus Beecher Crampton 1950-5-7 569 Napa about 3-4 miles southeast of Yountsville, east side of Napa Valley, along Silverado Trail. Comment
  POM43749  Orthocarpus faucibarbatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET4854296  Orthocarpus lacerus Carl F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  SEINET12329998  Orthocarpus lithospermoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -324 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  SEINET13944817 Image available Osmorhiza chilensis Joseph Andorfer Ewan 1937-1 10327 Napa Along auto road. W. slope Mt. St. Helena. Comment
  UC1177078  Oxalis articulata subsp. rubra Peter H. Raven 1951-5-6 2832 Napa St. Helena 91 Comment
  UCD120664  Oxalis corniculata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7326 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UC570397  Packera clevelandii Chas. M. Belshaw 1936-9-20 2687 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD134745  Packera clevelandii Robert E. Preston 1987-6-18 565 Napa 1.4 mile northeast of Big Basin. 414 Comment
  CAS-BOT-BC316942  Packera greenei Beecher Crampton 1957-6-4 4098 Napa above Capell Creek, north end of Capell Valley Comment
  JEPS106858  Packera greenei Jake Ruygt 1979-5-20 623 Napa about 1 mile east of HWY 29 on Livermore Road 533 Comment
  JEPS23639  Packera greenei R. F. Hoover 1941-6-8 5319 Napa e side Mt. St. Helena Comment
  OBI15493  Packera greenei Robert F. Hoover 1966-5-28 9878 Napa Just S of summit on Butts Cyn rd from Pope Valley 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
  OBI22057  Panicum capillare Robert F. Hoover 1966-8-23 9933 Napa Butts Cyn near Lake Co line Comment
  UCD89506  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa ca. 3 miles north Moskowite Corners, State Hwy. 128. Comment
  UCD33496  Panicum capillare subsp. hillmanii Beecher Crampton 1969-7-14 8496 Napa Napa County, Napa, southern area east of Napa River bridge, Hwys. 12, 29, 121. Comment
  UCD166678  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  UCD167173  Papaver californicum Jake Ruygt 1982-5-15 1261 Napa Soda Canyon west of steep grade. 365 Comment
  UCD18370  Parentucellia viscosa R. Wenk 2000-5-14 8 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  JEPS106391  Parvisedum pumilum Jake Ruygt 1977-5-1 201 Napa east end of Westgate Drive, Silverado Country Club 121 Comment
  UC1198828  Parvisedum pumilum Joseph P. Tracy 1933-4-30 12116 Napa Howell Mountain near Toland House Howell Mountain 457 Comment
  UC540616  Parvisedum pumilum H. L. Mason 1935-5-31 Napa 3 mi s of Napa (near highway) Comment
  UC972131  Parvisedum pumilum Helen K. Sharsmith 1952-6-7 4122 Napa road to Atlas Peak, Inner North Coast Ranges Atlas Peak; Inner North Coast Ranges 609 Comment
  UCD38860  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  UC218897  Passiflora caerulea Katharine Brandegee 1910-7-11 Napa Calistoga Comment
  JEPS10357  Pedicularis densiflora Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Peak Comment
  RSA195367  Pedicularis densiflora Gilbert Muth 1967-3-31 596 Napa Old Howell Mountain road. 457 Comment
  SD234194  Pedicularis densiflora Virginia Pinkus Ryder 1964-5-15 101 Napa Route 37 east of Napa. Rocky sandstone cliff. 410 Comment
  UCD123316  Pedicularis densiflora Chas. Heiser 1947-3-29 1889 Napa about 7 miles east of Napa. Comment
  UCD123323  Pedicularis densiflora David Lawfer 1952-4-20 146 Napa 5 miles northeast of Napa. Comment
  UCD47772  Pellaea andromedifolia Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 6 Napa Mclaughlin Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. Hillside ca. 150 m above the road, east of the calcium seep, on a west-facing slope, 50 m down from the crest of the hill. 426 Comment
  CAS-BOT-BC69210  Pellaea andromedifolia Peter H. Raven 1954-1-22 6379 Napa Sulphur Springs Resort, w. of St. Helena 121 Comment
  CAS-BOT-BC71380  Pellaea mucronata Alice Eastwood 1922-5-4 11268 Napa Mt. St. Helena Comment
  POM23402  Pellaea mucronata Edward L. Greene 1903-4-20 2613 Napa Mount Saint Helena Comment
  CAS-BOT-BC71384  Pellaea mucronata Peter H. Raven 1954-1-22 6387 Napa Soda Springs Canyon just north of the Resort 213 Comment
  UC1745679  Pellaea mucronata var. mucronata Annetta M. Carter, Edward Lee 1935-12-1 1016 Napa Wooden Valley Grade E of Napa on road to Monticello. 43.1 mi. from Berkeley. Comment
  UCD149673  Pellaea mucronata var. mucronata Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCD89438  Pennisetum clandestinum Irving Grover 1952-6-10 s.n. Napa Napa. Comment
  UC1301208  Penstemon heterophyllus Helen K. Sharsmith 1962-6-3 5113 Napa near Angwin; San Francisco Bay Region, western slope Mount Howell 487 Comment
  JEPS11373  Penstemon heterophyllus var. heterophyllus Alice King July, 1919 Napa Van Ness Ranch , Van Ness Ranch (Mt. St. Helena) Comment
  JEPS7571  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1923-6-3 9970 Napa Calistoga Napa Valley, Calistoga Comment
  JEPS7573  Penstemon heterophyllus var. purdyi W. L. Jepson 1936-5-31 17566 Napa Howell Mt. betw Toland House and Angwin; Howell Mt. btw Toland House and Angwin Comment
  SEINET11198823  Penstemon venustus J. A. Ewan 1934-6-30 8846 Napa 5 mi S of Monticello on Steel Canyon rd. Comment
  UCD20424  Pentachaeta alsinoides E. Dean; w/ PLB 102 class 2002-5-4 1011 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  UC35617  Pentachaeta exilis Willis L. Jepson 1893-5-8 Napa plateau near La Jota Falls; Napa River Basin Comment
  UCD48368  Pentagramma triangularis subsp. triangularis Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd. South of junction with Cut Off Rd., 10 ft. from creek bed. 182 Comment
  UCD48370  Pentagramma triangularis subsp. triangularis C. Matthews; K. Glover, C. Little, T. Petrie 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. South side of Decker Bay Trail; 250' W of junction with West Road. 152 Comment
  JEPS104484  Perideridia kelloggii Jake Ruygt 1979-6-18 713 Napa .5 mile east of Spanish Valley trail on Snell Valley Rd. 170 Comment
  JEPS12440  Perideridia kelloggii W. L. Jepson 1920-7-12 9071 Napa Conn Valley Napa Range (red ridge at mouth) Comment
  UC106526  Perideridia kelloggii Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC1312889  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3784 Napa Pope Canyon road 3 mi ne Pope Valley road (w of Lake Berryessa) 182 Comment
  UCD63190  Perideridia oregana Jake Ruygt 2002-6-21 4437 Napa Missimer Wildflower Preserve, 1/4 mile up creek, south side of Snell Valley. 228 Comment
  UCD99331  Persicaria orientalis Irving Grover 1955-8-1 s.n. Napa location unknown. Comment
  UC24391  Phacelia Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs Napa River Basin Comment
  UC131534  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena Comment
  JEPS129067  Phacelia distans Jake Ruygt 2016-4-2 6170 Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC24344  Phacelia distans Willis L. Jepson 1893-4-28 Napa near Napa City; Napa River Basin Comment
  UC672424  Phacelia distans Herbert L. Mason 1926-3-14 2724 Napa sw slope Mt. St. Helena Comment
  UC131126  Phacelia egena Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  SEINET5731119 Image available Phacelia egena Dan Kurtak 1969-1 s.n. Napa On rock on face of a steep road cut; Pope Valley Road, 2 miles south of its junction with Lower Chiles Valley Road. Comment
  SBBG41206  Phacelia imbricata J. T. Howell 1931-4-3 Napa Pope Crk Cyn, 8 mi from Monticello Comment
  JEPS110800  Phacelia nemoralis Jake Ruygt 2001-7-14 4324 Napa Atlas Peak Road about 4 mi N of Westgate Drive 335 Comment
  UCD120738  Phacelia tanacetifolia Marshall R. Wanzer 1948-4-3 9 Napa Putah Canyon, 11 miles west of Winters. Comment
  CAS-BOT-BC265790  Phalaris aquatica T. H. Kearney 1951-6-16 s.n. Napa Along Vichy Road ca. 2 mi. from Napa Comment
  CAS-BOT-BC265792  Phalaris aquatica Peter H. Raven 1951-6-24 3025 Napa Brown's Valley to Napa-Sonoma Road 91 Comment
  UCD88033  Phalaris aquatica Beecher Crampton 1962-5-16 6428 Napa Aetna Springs. Comment
  CAS-BOT-BC265854  Phalaris californica John Thomas Howell 1940-5-19 15444 Napa Near Calistoga Comment
  JEPS122957  Phalaris lemmonii Jake Ruygt 1987-4-22 1961 Napa Ragg ridge (Quail Ridge Preserve. Quad: Cuttings Wharf. Comment
  JEPS122960  Phalaris lemmonii Jake Ruygt 1996-5-13 3652 Napa 0.9 miles south of Pope Canyon Road on Harding Road. Quad: Saint Helena. Comment
  RSA92823  Phalaris paradoxa P. H. Raven 1952-5-29 4095 Napa Napa River, 1 mile N. Napa. 61 Comment
  UCD167204  Phlox gracilis Jake Ruygt 1986-3-14 1643 Napa north of Highway 12 near Sonoma county line. 106 Comment
  CAS-BOT-BC134984  Phoradendron bolleanum Peter H. Raven 1951-10-28 3959 Napa Knoxville 457 Comment
  JEPS110812  Phoradendron densum Jake Ruygt 1984-6-30 1580 Napa Cedar Roughs near top 633 Comment
  UC639129  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  RSA293498  Phyla nodiflora C. W. Tilforth, John Dourley 1979-7-22 1858 Napa 0.4 miles south of Park Headquarters, west side of Lake Berryesa. 137 Comment
  JEPS115777  Physalis lancifolia Lowell Ahart 2009-10-27 16500 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  CDA12114  Pickeringia montana G. F. Hrusa 1989-5-2 7185 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  SEINET2056445 Image available Pickeringia montana M. F. Wojciechowski 2000-5-27 895 Napa Cache Creek area north of Lake Barryessa. Comment
  UCD15251  Pickeringia montana Ted Graber 1984-5-12 20 Napa along highway 128, 3 miles west of Moskowite corner. 243 Comment
  UC1129867  Pickeringia montana var. montana A. E. Wieslander 1931-5-11 182 Napa n slope of mt. n Calistoga; Calistoga Quadrangle, Mt. St. Helena 731 Comment
Read comments
Aug 15 2010
  CDA7596  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  JEPS120338  Pilularia americana Jake Ruygt 1998-5-23 3995 Napa Napa Airport Industrial Park, NW corner. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC73327  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  SEINET3221128 Image available Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC72882  Pinus ponderosa Peter H. Raven 1954-2-22 6417 Napa Hills n. of White Sulphur Spr., w. of St. Helena. 152 Comment
  SEINET267026  Pinus ponderosa Royal D. Suttkus 1967-6-26 673042 Napa Clearly Reserves 7.2 miles NW of Pope Valley. 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
  SEINET11739558  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS120443  Piperia transversa Jake Ruygt 1992-5-20 2995 Napa West of Leoma Lakes, Wild Horse Valley Ranch (Beuhler). Comment
  JEPS122738  Plagiobothrys bracteatus Jake Ruygt 2011-5-7 5773 Napa Pope Valley, Pope Canyon Road at vernal marsh. Quad: St. Helena. Comment
  JEPS129089  Plagiobothrys bracteatus Jake Ruygt 2016-4-19 6195 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UC55913  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1852 Napa 2 mi below Calistoga (Napa Valley); Napa Valley 91 Comment
  JEPS106766  Plagiobothrys greenei Jake Ruygt 1983-4-8 1414 Napa south side of HWY 12 at Sonoma Co. line 88 Comment
  JEPS68096  Plagiobothrys nothofulvus W. L. Jepson 1900-3-9 510 Napa Howell Mt. Comment
  UCD161235  Plagiobothrys nothofulvus Jake Ruygt 2005-4-4 4746 Napa Napa County : Jericho Canyon. (Coordinates estimated by label maker at UC Davis). 640 Comment
  JEPS68095  Plagiobothrys nothofulvus W. L. Jepson 1900-3-10 532 Napa hills e St. Helena Comment
  POM182804  Plagiobothrys nothofulvus H. P. Chandler 1907-3-30 s.n. Napa Road to Toll House. Comment
  UC192203  Plagiobothrys stipitatus C. F. Sonne Apr 1887 Napa Napa Junction Comment
  JEPS100374  Plagiobothrys stipitatus var. micranthus Dean W. Taylor 2001-5-15 17652 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  CAS-BOT-BC228495  Plagiobothrys strictus Alice Eastwood 1900-5-7 s.n. Napa Calistoga Comment
  CAS-BOT-BC228496  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  UC881353  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  RSA0008558  Plagiobothrys strictus Joseph P. Tracy 1857 Napa Calistoga Hot Springs. 91 Comment
  JEPS106903  Plagiobothrys tenellus Jake Ruygt 1991-5-4 2640 Napa betweed Fawn Lake and Granite Lake Friesen's Lakes 603 Comment
  JEPS68124  Plagiobothrys tenellus Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  POM63831  Plagiobothrys tenellus C. F. Baker 1903-4-20 2624 Napa Mt. St. Helena. Comment
  UCD161711  Plagiobothrys tener Jake Ruygt 2011-5-28 5797 Napa west of Atlas Peak Road, 0.6 mile southwest of Foss Valley. (Coordinates converted from UTM data by label maker.) 463 Comment
  UCD167240  Plantago coronopus Jake Ruygt 1980-6-1 910 Napa Milton Road across from Maury's Yauhts. 0 Comment
  JEPS127854  Plantago erecta Adam C. Schneider with Dick O'Donnell 2013-5-26 236 Napa Just west of intersection between Snell Valley Road, Stagecoach Canyon Road, and Spanish Valley Trail. Comment
  UCD118542  Plantago erecta Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD159902  Plantago erecta Alice Warrick; K. Walker 2007-4-3 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD18083  Plantago erecta Ellen Dean; with PLB 102 class 2000-4-22 639 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
  UCD38572  Plantago erecta Beecher Crampton 1956-5-25 3466 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD48071  Plantago erecta L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 2 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD68116  Plantago erecta Hilary Jane Ernst 1981-5-2 25 Napa 2.8 miles Northwest on Highway 128 from Moskowite Corners, to left of road, up trail. In a chaparral plant association, dominated by Pinus sabiniana, on a 10 degree slope. 243 Comment
  UCR146184  Plantago erecta Beecher Crampton 1967-5-11 7918 A Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UCD15036  Plantago erecta Rebecca L. Moehlmann 1977-4-16 12 Napa California, Napa Co. : Wragg Canyon, along the east side of Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam. 182 Comment
  UCD18368  Plantago lanceolata R. Wenk 2000-5-14 4 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  JEPS122745  Platystemon californicus Jake Ruygt 2011-5-7 5782 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  CAS-BOT-BC91873  Platystemon californicus David D. Keck 1931-4-2 1056 Napa Monticello. Comment
  SEINET5718796 Image available Platystemon californicus Stephen Randall 1974-1 1 Napa 1 air mile SW of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  UC635474  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa between Calistoga and Petrified Forest; between Calistoga and Petrified Forest Comment
  RSA195378  Platystemon californicus var. californicus Gilbert Muth 1967-4-16 632 Napa Snell Valley. 183 Comment
  JEPS6139  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4450 Napa near Wooden Valley Comment
  HSC21697  Plectritis ciliosa Greg Bos 1963-3-30 56 Napa 1 mi. S of Middletown on Butts Canyon Rd. 335 Comment
  JEPS6144  Plectritis ciliosa subsp. ciliosa Bacigalupi and Dempster 1954-5-10 4445 Napa road from Monticello to Rutherford (Highway 128, Canyon of Soda Creek); Soda Creek Comment
  UCD49299  Plectritis congesta subsp. brachystemon C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 22 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; downslope of West Rd., N of jct with S. Decker Canyon Rd. 152 Comment
  RSA298944  Plectritis congesta subsp. nitida R. Kuhn 1912-5-19 s.n. Napa Oakville. Comment
  JEPS110895  Plectritis macrocera Jake Ruygt 1979-5-20 613 Napa 1.6 miles north of White Cottage Rd. on Summit Street 694 Comment
  JEPS5124  Plectritis macrocera Miss R. Kuhn 1912-4-10 Napa Oakville Comment
  OBI8696  Plectritis magna Bacigalupi & Dempster, Dempster 1954-5-10 4444 Napa Conn Cyn Reservoir Comment
  JEPS75068  Pleuropogon californicus W. L. Jepson 1893-4-24 Napa e of St. Helena (to Conn Valley grade, Napa River Basin); Napa River Basin Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 Comment
  UCD91104  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  CAS-BOT-BC246849  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  SEINET7256601  Poa napensis Peter H. Raven Napa Comment
  JEPS122926  Poa pratensis subsp. pratensis Jake Ruygt 1990-5-6 2531 b Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  UCD20426  Poa secunda E. Dean; w/ PLB 102 class 2002-5-4 1013 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  UCD92024  Poa secunda subsp. secunda E. W. Taylor 1932-4-1 s.n. Napa Entrance to Napa county traffic officers country club. 274 Comment
  UC883696  Pogogyne douglasii Alice Eastwood 1915-6-5 4626 Napa Calistoga Comment
  CDA10877  Pogogyne serpylloides G. F. Hrusa, M. Rejmanek 1993-5-15 10972 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS110839  Pogogyne serpylloides Jake Ruygt 1991-6-1 2705 Napa Campbell Flat, Mt. St. John 310 Comment
  UCD147465  Pogogyne serpylloides Ellen Dean; Diana Hickson 2014-4-29 8078 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  RSA0036083  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  RSA40153  Polycarpon tetraphyllum J. T. Howell 1943-6-20 18242 Napa Hills W of Napa Valley between St. Helena and Mt. St. John. 229 Comment
  JEPS112606  Polygala californica Jake Ruygt 1979-6-1 642 Napa .7 mile west of HWY 29 on Diamond Mountain Rd. 146 Comment
  UCD170183  Polygala californica Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 774 Napa Knoxville Wildlife Area, northwest of Zim Zim Falls. 463 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
  JEPS112598  Polygonum amphibium var. emersum Jake Ruygt 1991-8-8 2829 Napa east side of Lake Orville, Friesen's Lakes, Angwin 557 Comment
  JEPS50531  Polygonum amphibium var. emersum Willis L. Jepson 1894-11-8 Napa Napa City Napa River Basin Comment
  JEPS110850  Polygonum arenastrum Jake Ruygt 1989-7-18 2400 Napa Willis Drive, Napa 15 Comment
  RSA755361  Polygonum arenastrum L. Ahart 2009-10-12 16457 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  CAS-BOT-BC109158  Polygonum bolanderi T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain. Comment
  CAS-BOT-BC109162  Polygonum bolanderi Wilhelm Nikolaus Suksdorf 1913-7-30 748 Napa Northwest of Napa. Comment
  CAS-BOT-BC109163  Polygonum bolanderi Roxana S. Ferris 1935-10-1 9307 Napa The Palasades near highway over shoulder of Mount Saint Helena. Comment
  UC6670  Polygonum bolanderi Brewer 1861-11-11 854 Napa Napa Valley Comment
  UC77395  Polygonum bolanderi Edward Lee Greene 1883-1 Napa Napa Valley Comment
  JEPS50607  Polygonum hydropiper W. L. Jepson 1894-11-5 Napa towards Battle Mt. (near St. Helena) Comment
  UC1198090  Polygonum parryi Joseph P. Tracy 1933-6-2 12457 Napa La Jota Plateau Howell Mountain (hills at head of Moore's Creek, 5 mi e of Angwin's) 518 Comment
  CHSC103008  Polygonum persicaria Lowell Ahart 2009-10-12 16448 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
  HSC100737  Polygonum punctatum Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek, E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  UC1562672  Polygonum punctatum Barbara Ertter with Elizabeth Neese 1988-10-2 7953 Napa on creek below spillway on N side of Rt. 128 (ca 15 air mi nnw of Napa); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  JEPS116559  Polypodium calirhiza Jake Ruygt 2002-3-23 4364 Napa Oakville Grade about 1/4 mile east of top of grade. Rutherford 7.5' Quad. Comment
  HSC26626  Polypogon interruptus J. P. Smith, J. O. Sawyer 1970-5-17 3776 Napa 3 mi. S of Pope Valley Comment
  JEPS100823  Polypogon interruptus Dean W. Taylor 2000-6-29 17471 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  SACT002023  Polypogon maritimus 1925-5-25 Napa No collector/determiner listed. Comment
  CAS-BOT-BC237257  Polypogon monspeliensis Betty H. Johnson 1968-6-8 599 Napa Near Saint Helena River, 6.4 miles SW of Middletown Comment
  JEPS115748  Polypogon monspeliensis Lowell Ahart 2009-10-12 16465 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  UCD19931  Polypogon monspeliensis E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 788 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  CHSC102296  Portulaca oleracea Lowell Ahart 2009-10-12 16472 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
  CAS-BOT-BC445238  Portulaca oleracea J. H. Thomas 1964-6-28 10438 Napa At Charles Krug winery at St. Helena. Comment
  CDA790  Potamogeton crispus Steve Bardessono 1961-6-2 Napa Berryessa Marina, Lake Berryessa. 0 Comment
  JEPS129039  Potamogeton diversifolius Jake Ruygt 2016-5-21 6261 Napa Wantrup Wildlife Preserver, Hardin Road. Santa Helena 7.5' Quad. Comment
  UCD167134  Potamogeton diversifolius Jake Ruygt 2015-6-1 6118 x Napa Milliken Creek in Foss Valley. 177 Comment
  JEPS44925  Prunus virginiana var. demissa W. L. Jepson 1897-4-30 13841 Napa sw of Calistoga (Upper Napa Valley, Rebecca Ranch grade); Hoods Peak Range, Upper Napa Valley, Rebecca Ranch grade Comment
  CAS-BOT-BC356378  Pseudognaphalium beneolens Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS106916  Pseudognaphalium biolettii Jake Ruygt 1988-7-19 3516 Napa Skyline Park, Sugarloaf trail. 420 Comment
  CAS-BOT-BC356982  Pseudognaphalium luteoalbum John W. Willoughby 1979-5-25 4298 Napa Vaca Mountains. Pansy Flat (ca. 1 mile south of Signal Hill) 609 Comment
  JEPS106963  Pseudognaphalium stramineum Jake Ruygt 1996-3-30 3544 Napa Jameson Vineyards, South Kelly Road. 91 Comment
  UC672213  Pseudognaphalium stramineum H. L. Mason 1923-10-6 769 Napa along railroad Suisan Marsh Comment
  UCD63177  Pseudognaphalium thermale Jake Ruygt 1988-8-14 2231 Napa Berryessa-Knoxville Rd. at Pope Canyon Road. 143 Comment
  UCD91500  Pseudoroegneria spicata B. Crampton 1961-6-13 s.n. Napa North end of Capell Valley, above Capell Creek along State Hwy. 128. Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  UC35749  Psilocarphus tenellus Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  CAS-BOT-BC361891  Psilocarphus tenellus Peter H. Raven 1950-5-6 2030 Napa Along Rt. 28, Calistoga 60 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
  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
  UCD63164  Pyrrocoma racemosa var. racemosa Jake Ruygt 1996-7-13 3767 b Napa Soda Spring, east of Soda Valley; White Cliff Springs. 350 Comment
  JEPS37946  Quercus W. L. Jepson 1916-8-6 6825 Napa Howell Mt. Comment
  JEPS116530  Quercus X morehus Jake Ruygt 2003-5-5 4517 Napa Upper end of Long Canyon. Knoxville 7.5' Quad. Comment
  JEPS37371  Quercus agrifolia W. L. Jepson 1907-12-1 2973 Napa Sanitarium Hill road Napa Valley 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
  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
  UCD45147  Quercus alba Bill Davis 1966-9-26 s.n. Napa Veterans' Home Memorial Grove, Napa Co., Cal. (origin: Fredricksburg) Comment
  JEPS116525  Quercus berberidifolia Jake Ruygt 2002-10-23 4467 b Napa Mount Vaca, south side of peak. Mount Vaca 7.5' Quad. Comment
  UCD14679  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi. east of Conn Valley Dam, beside road to Monticello; Comment
  UCD83393  Quercus berberidifolia Jake Ruygt 1992-9-24 3156 Napa Lower Chiles-Pope Valley Rd., N of Berryessa Knox Rd. 201 Comment
  UCSB58649  Quercus berberidifolia Morley, Thomas 1941-5-11 Napa west bank of Putah Creek immediately above junction with Butts Creek 140 Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  SEINET3090837 Image available Quercus chrysolepis Royal D. Suttkus 1967-6-26 67- 30 -6 Napa Clearly Reserves 7.2 miles northwest of Pope Valley. Comment
  JEPS37395  Quercus douglasii Willis L. Jepson 1901-8-6 1723 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
  UCD14550  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -8 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD148822  Quercus douglasii Ellen Dean; Diana Hickson 2014-4-29 8127 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD45635  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa, abundant on canyon slopes. Comment
  UCD45638  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  CAS-BOT-BC86439  Quercus dumosa John H. Thomas 1958-4-19 7113 Napa About 2 miles SW of Oakville 152 Comment
  CAS-BOT-BC79832  Quercus durata John Thomas Howell 1933-8-27 11642 Napa Sage Canyon, Napa range Comment
  RSA150  Quercus durata J. T. Howell 1927-8-24 685 Napa Near Walter's Spring, Napa Range. Comment
  UCD14825  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -21 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14837  Quercus durata John M. Tucker 1950-11-12 2014 -13 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14842  Quercus durata John M. Tucker 1950-11-12 2014 -20 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14845  Quercus durata John M. Tucker 1950-11-12 2014 -23 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45935  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  UCD45979  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
  UCD45980  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
  UCR43184  Quercus durata L. F. LaPre 1985-5-3 s.n. Napa Inner North Coast Ranges, Livermore Road between hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake county line, south of Three Peaks. 671 Comment
  UCD45884  Quercus durata var. durata John M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello-- Pope Valley Road, Napa County, California. Comment
  UCD45970  Quercus durata var. durata Barbara Rice 1966-9-22 580 Napa Shrub on cut bank in west side of road; Knoxville- Berryessa road, 0.4 mile south of junction with Pope Canyon Road, Napa County, California. Comment
  UCD46206  Quercus garryana John M. Tucker 1950-11-5 2005 1 Napa California, Napa Co.; near Angwin, on Howell Mountain, beside road from Pope Valley. (Collections made from 8 trees). Comment
  UCD14956  Quercus garryana var. garryana John M. Tucker 1976-10-24 4380 Napa California, Napa Co.; beside Wall Road, 1.3 mi. north of Dry Creek Road and 7.1 mi. (by road) southwest of Oakville; Comment
  UCD46058  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2359 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
  UCD46099  Quercus garryana var. garryana J. M. Tucker 1966-4-17 3938 Napa Beside Dry Creek, 0.2 mile west of junction of Trinity (Glen Ellen to Oakville) Road and Mt. Veeder Road, 3.4 miles (by road) southwest of Oakville, Napa County, California. Comment
  UCSB19167  Quercus garryana var. garryana Rankine, Jane 1965-4-13 Napa 3 miles west of Pope Valley on the road between Pope Valley and Anqwin Comment
  CAS-BOT-BC105298  Quercus kelloggii Frank Kirby 1977-5-25 s.n. Napa Dry Creek Road NW of Napa Comment
  JEPS37761  Quercus kelloggii Willis L. Jepson 1901-8-6 1719 Napa St. Helena Napa River Basin Comment
  POM270205  Quercus kelloggii Lyman Benson 1932-8-29 4053 Napa Highway Summit on Mt. St. Helena, Mayacamas Mt. Range, Napa Valley drainage area. 762 Comment
  UCD46665  Quercus kelloggii K. D. Jones 1927-9-10 1707 Napa California Black Oak. Calistoga-Wrights. Comment
  UCD46679  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  CAS-BOT-BC62879  Quercus lobata Peter H. Raven 1952-5-31 4148 Napa Summit of hills sw of Rector Canyon 304 Comment
  JEPS37359  Quercus lobata Miss Frida Niedenmuller 1908-9-7 Napa St. Helena Comment
  SACT002665  Quercus lobata John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of the Blue Ridge, in foothill woodland on the north side of the flat. 609.6 Comment
  CLARK-A1528-2901  Quercus lobata John C. Roos 1939-3-27 282 Napa Angwin Comment
  CAS-BOT-BC104981  Quercus wislizeni Peter H. Raven 1951-8-20 3860 A Napa East Point, near Lokoya 609 Comment
  CLARK-A1528-2913  Quercus wislizeni John C. Roos 1939-4-16 284 Napa Angwin Comment
  UC1543117  Quercus wislizeni Charlotte G. Nast 1936-3-27 33 Napa Putah Canyon Comment
  UCD47533  Quercus wislizeni Thomas Morley 1941-5-11 124 Napa At Lombardi's Ranch, west side of Putah Creek just above junction with Butts Creek, Napa County. Comment
  JEPS116537  Quercus wislizeni subsp. frutescens Jake Ruygt 1995-4-24 3445 Napa 2 miles south of Lake Hennessey boat dock; Taylor Vineyards. Yountville 7.5' Quad. Comment
  JEPS106868  Rafinesquia californica Jake Ruygt 1978-5-21 326 Napa 2.2 miles north of Sage Canyon Rd. on Chiles-Pope V.Rd. 134 Comment
  JEPS55059  Ranunculus aquatilis var. capillaceus Willis L. Jepson 1893-4-27 Napa Oak Knoll Napa River Basin Comment
  HSC59003  Ranunculus arvensis Dan Wyrick 1975-4-22 217 Napa Near Pacific Union College 549 Comment
  UC160921  Ranunculus californicus Joseph P. Tracy 1903-5-15 1845 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UC917102  Ranunculus californicus D. C. Finfrock 1950-4-2 15 Napa 2 mi from St. Helena (on Pope Valley Rd) Comment
  JEPS55169  Ranunculus californicus W. L. Jepson 1900-3-1 533 Napa hills e St. Helena Comment
  UCD95941  Ranunculus californicus D. H. Hartmann 1942-3-7 s.n. Napa in Green Valley. 0 Comment
  UC9420  Ranunculus canus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  JEPS110876  Ranunculus hebecarpus Jake Ruygt 1992-4-7 2894 Napa Tuteur Ranch, SW corner, Kreuze Canyon 384 Comment
  CLARK-A1528-3878  Ranunculus hebecarpus John C. Roos 1939-4-1 264 Napa Comment
  POM225341  Ranunculus hebecarpus J. T. Howell 1931-4-2 6064 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UCD96246  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road. Comment
  JEPS55170  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  UC162878  Ranunculus occidentalis Joseph P. Tracy 1902-5-22 1631 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD117469  Ranunculus occidentalis var. occidentalis Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside opposite drainage pipe. 519 Comment
  SBBG20752  Ranunculus occidentalis var. occidentalis H. and M. Dearing 1939-5-3 3266 c Napa near Napa Comment
  JEPS60703  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1921-5-6 9176 Napa Calistoga 109 Comment
  JEPS48652  Ranunculus orthorhynchus var. bloomeri Elsa Kraeger 1926-4-4 Napa near Soscal (railroad station near Napa) Comment
  POM149990  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga. Comment
  OBI14977  Raphanus raphanistrum R. L. Hoover 1968-4-20 54 Napa .25 mi from Pope Valley jctn, E on Chiles & Pope Valley Rd, in field E of service station Comment
  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
  RSA659261  Reseda luteola David J. Keil, V. L. Holland, G. Fred Hrusa, G. Ledyard Stebbins 1994-6-6 24509 Napa Near E end of Lake Hennessy along Hwy 128 roadside and pasture. 150 Comment
  UCD116487  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 miles N of Calistoga. Comment
  CAS-BOT-BC362893  Rhagadiolus stellatus John Thomas Howell 1980-5-15 53451 Napa Oakville Grade sw. of Oakville 152 Comment
  UCD63166  Rhagadiolus stellatus Jake Ruygt 1979-4-24 553 Napa 2.2 miles NW of Browns Valley Rd. on Redwood Rd. 109 Comment
  CAS-BOT-BC362892  Rhagadiolus stellatus Alice Ackley; Marie Taylor 1978-3-28 s.n. Napa Triniti Road Comment
  CAS-BOT-BC362897  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson ranch, Dry Creek Road, 2 mi. w. of Yountville Comment
  UC592789  Rhamnus californica subsp. californica unknown 1928-2-25 1505 Napa 2 mi n summit of the Mt. St. Helena grade to Middletown Comment
  JEPS41998  Rhamnus crocea Willis L. Jepson 1893-5-2 13971 Napa e of Calistoga (Pope Valley grade from Calistoga); Napa River Basin Comment
  UCD38857  Rhamnus crocea Beecher Crampton 1962-10-9 6694 Napa 3.5 miles southwest Angwin, Howell Mtn. Road. Comment
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD18009  Rhamnus ilicifolia Ellen Dean; with Plant Biology 102 class 2001-4-28 741 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, near Lake Berryessa inlet, ca. 30 feet up from water level, south side of trail. 243 Comment
  CAS-BOT-BC56650  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 8 Napa 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Comment
  HSC43983  Rhododendron occidentale Robert M. Specht 1977-4-14 665 Napa N of Adams Creek 561 Comment
  JEPS127861  Rhododendron occidentale Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 624 Napa North side of Knoxville-Devilhead Road Comment
  UCD117984  Rhododendron occidentale W. R. Russell; A. D. Graham 1954-5-7 s.n. Napa Between Pope Valley Store and Lake County line, Upper Chiles Valley. Comment
Read comments
Mar 21 2013
  UCR148773  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 a Napa Butts Canyon Rd. along both sides of Butts Creek 217 Comment
  UCSB4808  Rhododendron occidentale Keator, Glenn 1959-3-28 Napa About 1/4 mile above Conn's picnic grounds near Lake Hennessey, Napa Range Comment
  RSA672063  Rhododendron occidentale var. occidentale A. T. Leiser 1984-9-23 BC- 2 Napa Butts Canyon Rd./Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank. Comment
  CAS-BOT-BC168115  Rhus aromatica Elizabeth Wright 1923-3-20 s.n. Napa Capell Cr. between St. Helena & Putah Cr. Canyon Comment
  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
  UCD63047  Rhus aromatica Daniel Sanchez Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road pr. Foley Creek close to UC McLaughlin Reserve. 460 Comment
  UCD73419  Rhus trilobata Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  SEINET12237641  Rhus trilobata F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -314 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS126033  Ribes californicum Jake Ruygt 1998-6-24 4055 Napa Brushy Canyon. Lake Berryessa 7.5' Quad. Comment
  UC11500  Ribes californicum Willis L. Jepson 1893-5-2 Napa near Palisades; Napa River Basin, New Pope Valley grade Comment
  CAS-BOT-BC168940  Ribes malvaceum John Thomas Howell 1931-4-2 6069 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UCD167057  Ribes malvaceum var. malvaceum Jake Ruygt 1996-4-12 3609 b Napa Portuguese Canyon, near jeep trail. 304 Comment
  JEPS49457  Ribes roezlii var. cruentum Katharine Brandegee 1909-6-1 Napa summit of Pope Valley Grade from Calistoga; Napa Range, Pope Valley Grade Comment
  CAS-BOT-BC168761  Ribes victoris F. A. Walpole 1904-3-25 2393 Napa Rutherford, about 1 mi. east of town in canyon on Niebaum's Pond 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
  SD125483  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa along state Highway 128, 0.2 miles south of intersection with Berryessa-Knoxville road, Capell Valley Comment
  UCD115303  Rorippa curvisiliqua M. Wiesendanger 1927-5-4 668 Napa near Monticello. Comment
  UCD113904  Rosa spithamea Heidi E. M. Dobson 1978-5-6 320 Napa East slope of Mt. Veeder. Comment
  UCD17693  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 83 Napa California. Napa County: junction of Silverado Trail and Spring Valley Road near 'Mather House. Comment
  CAS-BOT-BC156588  Rubus bifrons Peter H. Raven 1952-5-31 4108 Napa Slough of Napa Cr. e. of Yountville 30 Comment
  CAS-BOT-BC110482  Rumex Saichi Kawahara 1968-4-20 356 Napa Pope Valley-Angwin Road, 2 miles southwest of Pope Valley. 499 Comment
  UCD101004  Rumex acetosella Mary Lou Douglass 1976-4-24 29 Napa Atlas Peak Road. P.M. 4.5 from Rt 121. Comment
  JEPS120317  Rumex californicus Jake Ruygt 1990-5-12 2544 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  CDA34173  Rumex dentatus L. Ahart 2009-10-27 16492 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
  JEPS110754  Rumex pulcher Jake Ruygt 1982-6-6 1306 Napa south of Suscol Hill, west of HWY 29 9 Comment
  CAS-BOT-BC433758  Rumex pulcher Peter H. Raven 1952-5-31 4099 Napa Yountville 30 Comment
  RSA170398  Rupertia physodes J. D. Olmsted 5058 Napa Cold Creek; 150 yds above road by Monticello Dam, Vaca Mtns. Comment
  JEPS106735  Sagina decumbens subsp. occidentalis Jake Ruygt 1982-4-4 1166 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  JEPS51081  Sagina decumbens subsp. occidentalis Willis L. Jepson 1893-4-26 Napa Oakville Napa R. Basin, Oakville Comment
  UCD161748  Sagina decumbens subsp. occidentalis Jake Ruygt 1995-4-8 3415 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  CAS-BOT-BC103225  Salix bonplandiana Peter H. Raven 1951-6-24 3021 Napa [Brown's] Browns Valley to Napa-Sonoma Road 91 Comment
  CAS-BOT-BC103226  Salix bonplandiana John Thomas Howell 1925-4-11 954 Napa Soscol Comment
  CAS-BOT-BC108665  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  CAS-BOT-BC108666  Salix breweri John Thomas Howell 1931-4-3 6149 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  LA208565  Salix breweri David D. Keck; 1931-4-3 1075 Napa 5 mi. NE of Aetna Springs, along Butts Creek Comment
  SBBG34174  Salix breweri E. L. Smith 1967-5-7 Napa Butts Crk, below small reservoir at NW end of cyn where rd from Pope Valley enters Butts Cyn, 6.9 mi NW of Pope Valley Comment
Read comments
Sep 28 2012
  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
Read comments
Jul 22 2018
  UC75014  Salix exigua var. hindsiana unknown 1903-4-19 1996 Napa Calistoga Comment
  CAS-BOT-BC108190  Salix hindsiana C. F. Baker 1903-4-19 1996 Napa Calistoga Comment
  CAS-BOT-BC108193  Salix hindsiana Ira L. Wiggins 1932-3-12 5755 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  CAS-BOT-BC108197  Salix hindsiana Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  CAS-BOT-BC108200  Salix hindsiana Peter H. Raven 1951-5-6 2810 Napa Flood plain Conn Creek 2.5 miles from Rutherford to Conn Dam 48 Comment
  UCD149598  Salix laevigata Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD164801  Salix laevigata Jake Ruygt 1996-4-20 3619 -d Napa Jameson Canyon Vineyards entry road. 60 Comment
  CAS-BOT-BC125149  Salix lasiandra var. lasiandra Peter H. Raven 1952-5-31 4116 Napa 2.5 mi. e. of Yountville 60 Comment
  JEPS13832  Salix lasiolepis Willis L. Jepson 1903-9-6 2346 Napa St. Helena; Napa River Basin Comment
  UC504070  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  UC507329  Salix lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa 1 mi n Calistoga; North Fork of the Napa River 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
  UCD125700  Salvia columbariae M. Wiesendanger 1927-5-4 688 Napa Monticello - Napa Rd. Comment
  UCD170679  Salvia columbariae 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC225170  Salvia sonomensis Peter H. Raven 1950-4-15 1772 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC225172  Salvia sonomensis H. E. McMinn 1925-5-25 970 Napa Summit Wooden Valley Grade Comment
  UCSB24695  Salvia sonomensis McMinn, Howard 1925-5-25 Napa Summit Wooden Valley grade Comment
  UCD68004  Sambucus mexicana Bill Wengeler 1995-4-30 S.N. Napa Highway 128, 0.2 miles West of Monticello Dam, above Lake Berryessa. Found on open hillside overlooking the lake. Shrub, 10 ft. high. Flowers, cream, flat-topped inflorescence. 158 Comment
  UCD137700  Sambucus nigra subsp. caerulea M. R. Wanzer 1948-5-6 19 Napa Putah Creek canyon, 12 miles west of winters. Comment
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 Comment
  RSA802287  Sanicula Keith E. Hoffmaster 1946-3-23 1259 Napa Along Monticello - Napa Road. Comment
  JEPS223  Sanicula bipinnatifida W. L. Jepson 1915-4-23 6267 Napa Chiles Creek hills Napa Range Comment
  UCD48499  Sanicula bipinnatifida L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 17 Napa Southwestern end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 10 feet N of stream. 152 Comment
  UCD48490  Sanicula crassicaulis C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 4 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail; 20 ft. NW from jct. with West Rd. 15 ft. S of stream. 152 Comment
  UCD83670  Sanicula crassicaulis Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 5 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  CDA38524  Sanicula crassicaulis T. C. Fuller 1958-5-1 3712 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  UCD95923  Sanicula laciniata Ellen Dean; with Clare Loughran 2011-5-20 7056 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  JEPS991  Sanicula laciniata Willis L. Jepson 1893-5-1 14186 Napa Napa River Basin, Upper Napa Valley, Franz Valley Grade Franz Valley Grade; Napa River Basin, Upper Napa Valley, Franz Valley Grade Comment
  JEPS81600  Saxifraga californica R. Raiche 1982-3-7 20192 Napa 1.3 mi n of Sage Canyon Road (on Chiles and Pope Valley Road) Comment
  JEPS78520  Scabiosa atropurpurea W. L. Jepson 1918-6-24 7668 Napa upper Napa Valley Comment
  CDA11626  Scandix pecten-veneris G. F. Hrusa, S. Larson 1995-4-1 12062 Napa North Coast Biodiversity Arena; Margin of large diverse flower field along Chiles Valley/Pope Valley Rd. approx 2 mi. S of Pope Canyon Rd. intersection. Comment
  JEPS944  Scandix pecten-veneris W. L. Jepson 1893-1 14242 Napa Napa Valley, Oak Knoll Oak Knoll; Napa Valley, Oak Knoll Comment
  UCSB12314  Scandix pecten-veneris Dearing, Hugh; Dearing, Margaret 1939-5-1 Napa Top of Spring Mt.grade, Napa County Comment
  RSA121050  Schedonorus arundinaceus Glenn R. Hall 1956-4-23 s.n. Napa Napa. Comment
  JEPS121367  Scirpus acutus var. occidentalis Jake Ruygt 1993-4-20 3215 Napa Yountville Ecological Reserve, Youngville Cross Rd. Comment
  JEPS126132  Scleranthus annuus subsp. annuus Jake Ruygt 2010-6-21 5642 Napa Bear Valley north of pond. Detert Reservoir 7.5' Qua. Comment
  CAS-BOT-BC240024  Scribneria bolanderi Peter H. Raven 1953-5-2 5403 Napa Rector Dam to Foss Valley 396 Comment
  POM261557  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  SEINET10602606  Scribneria bolanderi John Thomas Howell 1940-5-19 Howell 15464 Napa Upper St. Helena Creek. Comment
  UC1125698  Scrophularia californica A. Lewis 1932-5-17 85 Napa Sarcos Canyon; Napa Quadrangle 152 Comment
  JEPS77936  Scrophularia californica subsp. floribunda Edward Lee 1936-3-15 1791 Napa 2.3 mi by road out of Rutherford (road from Rutherford to Pope Valley); Conn Creek 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
  UCD19916  Scutellaria californica E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 772 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  JEPS62890  Scutellaria californica Willis L. Jepson 1893-6-26 14933 Napa Howell Mountain; Napa River Basin, Howell Mountain Comment
  JEPS129095  Scutellaria tuberosa Jake Ruygt 2016-4-26 6208 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD54560  Scutellaria tuberosa K. Walker; PLB 102 2006-5-13 1 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UCD73410  Scutellaria tuberosa Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC417000  Sedella pumila John Thomas Howell 1926-3-27 757 A Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC417002  Sedella pumila Rimo Bacigalupi 1947-4-13 2818 Napa Silverado Highway, E side of Napa Valley, 6 mi. SE of Yountville Comment
  UCD101987  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa just north of Soscol House restaurant, 2 miles south of Napa State Hospital, State Highway 29. Comment
  UC205176  Sedum radiatum Katharine Brandegee 1909-6-1 Napa Pope Valley grade Comment
  CAS-BOT-BC63834  Sedum spathulifolium David D. Keck 1933-5-29 2354 Napa Pope Creek bridge, south of Walters Springs. Comment
  CAS-BOT-BC63835  Sedum spathulifolium John H. Thomas 1955-5-21 5126 Napa Sarco Creek drainage, near Hwy 37, about 6 mi from Napa. 274 Comment
  UC205200  Sedum spathulifolium H. P. Chandler 1907-5-8 7558 Napa White Sulphur Spr , White Sulphur Spr (St. Helena) Comment
  CAS-BOT-BC69711  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley. Comment
  JEPS79404  Selaginella wallacei Edward Lee 1935-12-1 1669 Napa s side of road to Monticello (Wooden Valley grade, on land of F. Gagerro); Howell Mts., Sarco Creek Comment
  CAS-BOT-BC363359  Senecio aronicoides J. Clausen 1935-5-23 1072 c Napa Howell Mountain, near summit, 6.5 mi. N. of St. Helena Comment
  UC35924  Senecio aronicoides Willis L. Jepson 1894-4-30 Napa Rebecca Ranch grade , Rebecca Ranch grade (Napa River Basin) Comment
  CDA33482  Senecio clevelandii Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  CDA8606  Senecio clevelandii B. E. Eaton 1970-6-24 Napa Berryessa Estates, Snell Valley. 0 Comment
  RSA292916  Senecio greenei Reino Alava 1957-5-30 988 Napa 4.2 miles (four and 2 tenths of a mile) north of the junction of Highways 37 and 128, on State Highway 128. Comment
  CAS-BOT-BC364214  Senecio sylvaticus Baker 1938-5-4 8972 Napa Levee at Cutting Wharf Comment
  CAS-BOT-BC240158  Setaria verticillata Peter H. Raven 1951-8-21 3879 Napa Lokoya 457 Comment
  CAS-BOT-BC240239  Setaria viridis John H. Thomas 1966-5-8 11593 Napa At Louis Martini Winery, near St. Helena Comment
  UC1198398  Sidalcea diploscypha J. P. Tracy 1899-6-14 381 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  UCD41312  Sidalcea diploscypha Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 4 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  SBBG4683  Sidalcea diploscypha H. and M. Dearing 1939-5-2 3354 Napa near Napa Comment
  UC18889  Sidalcea hartwegii Willis L. Jepson 1893-5-9 Napa hills w Rutherford; Napa River Basin, hills w of Rutherford Comment
  UC871453  Sidalcea hartwegii M. S. Jussel 1937-5-23 Napa Palisades Comment
  JEPS50055  Sidalcea hartwegii W. L. Jepson 1897-5-2 14069 Napa near St. Helena; near St. Helena Comment
  JEPS122752  Sidalcea hickmanii subsp. napensis Jake Ruygt 2011-6-9 5800 Napa South side of Mt George, Palmaz Vineyards. Quad: Mt. George. Comment
  JEPS129044  Sidalcea keckii Jake Ruygt 2016-5-28 6270 Napa Near East Side Easement Road. Lake Berryessa 7.5' Quad. Comment
  UCD170459  Sidalcea keckii Daniel Potter; Ninh Khuu 2016-6-18 888 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 Comment
  CAS-BOT-BC384451  Silene antirrhina Peter H. Raven 1951-6-26 3056 Napa Wooden Valley Grade 304 Comment
  SEINET4176068 Image available Silene californica Sally Walker 1981-5-18 Napa 9.9 mi down balts canyon rd South of Middletown Comment
  UCD48861  Silene gallica K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Down slope of West Rd., ca. 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd. Comment
  CAS-BOT-BC388145  Silene gallica Peter H. Raven 1952-6-28 4193 Napa Hennessey Lake 121 Comment
  CAS-BOT-BC388146  Silene gallica Ira L. Wiggins 1949-4-30 12074 Napa Along old toll road between Calistoga and Middletown, about 1.8 miles n.e. of Callistoga Comment
  UCR212283  Silene multinervia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD148757  Silene verecunda Jake Ruygt 1998-6-22 4047 Napa Napa County; Buzzard's Roost. 617 Comment
  JEPS59331  Silybum marianum W. L. Jepson 1936-6-2 17606 Napa banks Napa River (near bridge on road to Sanitarium, St. Helena); banks Napa River, St. Helena Comment
  UCD63065  Sisymbrium officinale Ellen Dean 2008-4-8 4770 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road, at junction with South Decker Canyon Rd. 342 Comment
  UCD164749  Sisymbrium orientale Jake Ruygt 2014-5-30 5966 Napa Atlas Peak Road about 4.5 miles north of Monticello Road. 454 Comment
  UCD74404  Sisymbrium orientale Jake Ruygt 2000-5-17 4260 Napa Devilhead Rd. at top of first grade. 493 Comment
  HSC45337  Sisyrinchium bellum R. York 1978-4-8 107 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  RSA133663  Sisyrinchium bellum John H. Thomas 1955-5-21 5161 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  RSA503179  Sisyrinchium bellum Gary D. Wallace 1967-5-27 770 Napa Northwest of St. Helena on Howell Moutain Road 2 miles west of Pacific Union College and Angwin Comment
  UCD148827  Sisyrinchium bellum Ellen Dean; Diana Hickson 2014-4-29 8132 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD48246  Sisyrinchium bellum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 12 Napa Northern Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  UCD48730  Sisyrinchium bellum S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 2 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
  SEINET4171098  Sisyrinchium douglasii Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15090 Napa Under Chaparral, 20 miles north of Napa 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
  UC565385  Solanum umbelliferum M. Elsie Osgood 1937-4-19 Napa hill 7 mi e of Napa (on the road to Monticello) Comment
  UCD67494  Solanum xanti D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland ; open spaces. 350 Comment
  UCD40899  Solanum xanti Katherine Countrey 1983-4-22 4 Napa About 8 miles east of Winters on Hwy 128 at the Monticello Dam Parking area. Comment
  JEPS106874  Solidago spathulata Jake Ruygt 1987-7-27 2082 Napa 4.0 miles east of Atlas Peak Rd. on Mont icello Rd. 441 Comment
  CAS-BOT-BC365093  Solidago velutina subsp. californica Peter H. Raven 1951-8-21 3872 Napa Mt. Veeder 762 Comment
  UC517539  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11635 Napa Sage Canyon , Sage Canyon (Napa Range) Comment
  UCD32416  Soliva sessilis Beecher Crampton 1950-5-7 571 Napa Napa County, on abandoned road along Napa Soda Springs Road, above Soda Creek. 228 Comment
  CAS-BOT-BC235338  Sorghum halepense R. E. Frenkel 1963-10-27 293 Napa In the vinyard north of Oakville Cross Road Comment
  CAS-BOT-BC390294  Spergularia macrotheca var. longistyla John Thomas Howell 1926-3-27 1759 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS120394  Spergularia macrotheca var. longistyla Jake Ruygt 1982-5-19 1273 Napa Tubbs Lane at Myrtledale Road, Calistoga Comment
  UCD18143  Spergularia rubra Jean Shepard; with PLB 102 class 2000-4-29 194 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
  JEPS62970  Stachys ajugoides Willis L. Jepson 1893-4-24 14985 Napa hills e St. Helena (to Conn Valley) Comment
  CDA11969  Stachys albens G. F. Hrusa, M. Hooper 1995-9-12 12461 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  JEPS62975  Stachys albens W. L. Jepson 1936-7-6 17652 Napa Sage Canyon Napa Range Comment
  HSC99327  Stachys rigida C. B. Wolf 1928-5-3 1821 Napa Hawkins Mt. Inn Camp, Mt. St. Helena Grade Comment
  UCD49105  Stachys rigida var. quercetorum K. Hyun Chung; J. Deusterman, C. Ineich, and M. Hauselt 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., ca. 400 ft. as the crow flies NNW of jct of West Rd. and South Decker Canyon Rd. 230 Comment
  UCD37097  Stephanomeria virgata Beecher Crampton 1956-8-28 3878 Napa 0.5 mile southwest of Monticello Dam, Vaca Mountains. Comment
  UC35826  Stephanomeria virgata subsp. pleurocarpa Willis L. Jepson 1893-9-23 Napa Upper Napa Valley Napa River Basin Comment
  CAS-BOT-BC61252  Streptanthus breweri John Thomas Howell 1937-7-18 13101 Napa Mount Saint Helena Creek. North Napa county. Comment
  UCD164229  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-5-25 IC-SS 306 Napa Hunting Creek. 313 Comment
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  JEPS106609  Streptanthus breweri var. hesperidis Jake Ruygt 1995-6-17 3505 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 Comment
  UC764867  Streptanthus breweri var. hesperidis R. F. Hoover 1938-6-11 3602 Napa Knoxville ridge Comment
  RSA132843  Streptanthus glandulosus John H. Thomas 1958-4-19 7116 Napa About 2 miles SW of Oakville. 152 Comment
  UCD164556  Streptanthus glandulosus A. Amezcua 1995-4-29 1 Napa Along cut of Berryessa- Knoxville Road, 200 m northeast of intersection with Hwy 128 (near turtle rock). 250 Comment
  RSA94058  Streptanthus glandulosus R. C. Barneby 1954-4-30 11335 Napa Conn Valley. near the slipway., 300 [ft? m?] Comment
  UCD13243  Streptanthus glandulosus Glenn Greenleaf 1974-5-9 22 Napa California: Napa Co. Along state hwy 29, 7.4 mi N of jct with Silverado trail. T9N, R6W, Sec. 1, SW 1/4. Elev. 784 m. 784 Comment
  CAS-BOT-BC87163  Streptanthus glandulosus subsp. glandulosus Alice Eastwood 1915-6-6 4685 Napa Mount Saint Helena. Comment
  JEPS129170  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2015-4-20 6075 Napa Fernandes/ Land Trust, Snell Peak area. Aetna Springs 7.5' Quad. Comment
  UC162826  Streptanthus glandulosus subsp. glandulosus Joseph P. Tracy 1902-5-16 1494 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC518934  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa s Walters Springs (roadbank); Pope Creek Bridge Comment
  UC765064  Streptanthus glandulosus subsp. glandulosus R. F. Hoover 1941-4-26 4912 Napa along creek below Samuel Springs (on road from Monticello); Pope Creek Comment
  UCD74406  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1996-4-27 3636 b Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  UCD81180  Streptanthus glandulosus subsp. glandulosus Roger Willmarth; A. Fulks 2009-4-10 s. n. Napa Inner North Coast Range along Napa/Yolo County border. Blue Ridge on the east side of Lake Berryessa, north of Green Canyon. 487 Comment
  JEPS96912  Streptanthus hesperidis Dean W. Taylor 1998-6-23 16689 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UCD164232  Streptanthus hesperidis N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 310 Napa Knoxville-Devilhead road, towards Hunting Creek.(Coordinates estimated by label maker). Comment
  UCD170471  Streptanthus hesperidis Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 900 Napa Knoxville Wildlife Area, west slope of ridge above upper Zim Zim Creek drainange east of Knoxville-Devilhead Road. 572 Comment
  CAS-BOT-BC87392  Streptanthus morrisonii Lawrence LaPre' 1985-4-25 s.n. Napa Rare Plant Canyon, a tributary of Hunting Creek from the east, 2 miles southwest of the site of Knoxville. 365 Comment
  UCD20766  Streptanthus morrisonii M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 116 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. In Sensitive Plant Canyon 150 yards upstream of junction with Hunting Creek. 640 Comment
  UC939443  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-6-14 1482 Napa outcrop on low saddle 1/4 mi w White's Point (Table Mtn. rd ca 5 mi e of Mountain Mill House) Comment
  UC1292728  Streptanthus vimineus Freed W. Hoffman 1948-6-6 2329 Napa St. Helena Reservoir, Spring Mt. road Comment
  JEPS12886  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-6-26 Napa hills e St. Helena; Napa River Basin Comment
  JEPS40793  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  JEPS40827  Symphyotrichum spathulatum W. L. Jepson 1939-9-12 19482 Napa 1 mi w of summit, w side Spring Mountain (w of St. Helena) Comment
  RSA129898  Taeniatherum caput-medusae P. H. Raven 1951-5-26 2878 Napa Butts Canyon. 305 Comment
  JEPS110688  Tetrapteron graciliflorum Jake Ruygt 2005-4-17 4765 Napa Bear Valley, N of pond 649 Comment
  UCD16029  Thermopsis californica var. californica N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 17 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 3-4.5 dm tall, flowers yellow. Comment
  UCD170212  Thermopsis californica var. californica Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 745 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 396 Comment
  UC74948  Thermopsis macrophylla var. macrophylla C. F. Baker 1903-5-8 3081 Napa Knoxville Comment
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May 9 2007
  CAS-BOT-BC66499  Thysanocarpus curvipes Alice Eastwood 1918-5-1 6846 Napa Mount Saint Helena. Comment
  JEPS106593  Thysanocarpus curvipes Jake Ruygt 1996-4-10 3574 Napa Drainage south of Milliken Peak. 167 Comment
  RSA696362  Thysanocarpus curvipes Keith E. Hoffmaster 1946-3-23 1059 Napa Napa range, along Napa-Monticello road Comment
  UC1127030  Thysanocarpus curvipes B. O. Schreiber 1938-4-24 2496 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  CAS-BOT-BC66487  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6169 Napa Crater Country, Mount Saint Helena. Comment
  CAS-BOT-BC66508  Thysanocarpus curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles north of Calistoga on road to Lakeport. Comment
  CAS-BOT-BC66512  Thysanocarpus curvipes Lewis S. Rose 1935-4-18 35099 Napa Steel Canyon. Comment
  RSA0041675  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-2 1052 Napa 4 miles S of Monticello. Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  CAS-BOT-BC67307  Thysanocarpus radians Catherine Best 1983-4-28 s.n. Napa Southeast side of Atlas Peak Road about 6.5 miles from the intersection of Monticello Road. Comment
  CAS-BOT-BC67313  Thysanocarpus radians John Thomas Howell 1931-4-2 6107 Napa 4 miles from Monticellos on Wooden Valley Road, Napa Range. Comment
  JEPS54220  Thysanocarpus radians W. L. Jepson 1900-3-10 534 Napa hills e St. Helena Comment
  UCD36171  Thysanocarpus radians Beecher Crampton 1952-3-24 1032 Napa 8 miles north of city of Napa, on Soda Springs Road. Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. Comment
  POM182721  Tonella tenella D. D. Keck 1931-4-3 1066 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  UCD54649  Tonella tenella Collector Unknown 2006-5-5 s.n. Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UCD159916  Torilis arvensis 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. 243 Comment
  CAS-BOT-BC85166  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mt. St. Helena Comment
  UCD133451  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1203 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  CAS-BOT-BC172957  Toxicodendron diversilobum Alice Eastwood 1918-5-1 6867 Napa Mt. St. Helena Comment
  UCD169872  Toxicoscordion fontanum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 807 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 433 Comment
  UCD18017  Toxicoscordion fremontii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 562 Napa Napa County. McLaughlin Reserve. Along Knoxville -- Berryessa Rd., just NW of jct. with Devil Head Rd. N side of Knoxville -- Berryessa Rd. 426 Comment
  UCD118398  Toxicoscordion micranthum Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 406 Comment
  RSA212495  Tragopogon porrifolius Elsa Ruckert 1960-5-7 144 Napa 6495 Dry Creek Road. Near spring beside road leading to house. 366 Comment
  CAS-BOT-BC220991  Trichostema Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line 316 Comment
  JEPS63142  Trichostema laxum John Thomas Howell 1927-8-24 3046 Napa Pope Valley Creek below Walters Springs, E of Napa Range 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
  UCR200670  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville, Berryessa-Knoxville Road, UC MacLaughlin Reserve, Research Hill 625 Comment
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Mar 8 2013
  UCD125871  Trichostema laxum G. F. Hrusa; Dave Ragan 1988-9-4 5704 Napa Butts Creek, near Lake-Napa County lines. Comment
  JEPS112620  Trichostema oblongum Jake Ruygt 1986-6-14 1818 Napa Craters, behind Palisades 719 Comment
  CAS-BOT-BC5354  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa 6N, 4W, NE 1/4, Yountville Quad. Mead Ranch, Atlas Peak Rd., south of Foss Valley. 481 Comment
  JEPS108656  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano Couny line. 316 Comment
  JEPS120352  Trichostema ruygtii Jake Ruygt 1991-8-1 2808 Napa Los Posados Road near fire station. Saint Helena 7.5' Quad. Comment
  UCD166647  Trichostema ruygtii Jake Ruygt 1986-7-2 1855 Napa Atlas Peak Road, 4.5 miles north of Westgate Dr. 448 Comment
  RSA114033  Trientalis latifolia Peter H. Raven 1957-5-5 10782 Napa Hills at western edge of Calistoga. Comment
  UC1925875  Trifolium Ethel Crum 1931-1 1065 Napa Pope Valley Comment
  JEPS65702  Trifolium albopurpureum var. olivaceum C. F. Sonne Apr. 1888 Napa Comment
  JEPS126124  Trifolium angustifolium Jake Ruygt 2009-5-18 5408 Napa American Canyon Road, near Highway 80; north side of road. Cordelia 7.5' Qua. Comment
  UC1925870  Trifolium bifidum Ethel Crum 1931-1 1055 Napa Pope Valley Comment
  JEPS106696  Trifolium bifidum var. bifidum Jake Ruygt 1977-4-3 169 Napa Green Creek area east of Lake Berryessa 259 Comment
  JEPS65758  Trifolium bifidum var. bifidum E. K. Crum 1931-4-17 1055 a Napa 1/2 mi n P. O.; Pope Valley Comment
  CHSC83410  Trifolium bifidum var. decipiens L. P. Janeway; B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS129177  Trifolium bifidum var. decipiens Jake Ruygt 2015-4-25 6083 c Napa Missimer - Snell Valley Preserve. Yountville 7.5' Quad. Comment
  JEPS106799  Trifolium ciliolatum Jake Ruygt 1996-5-4 3648 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  UC1543228  Trifolium ciliolatum Donald G. Nelson 1936-4-1 124 Napa along trail (to Green Valley Falls) Comment
  JEPS65835  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-5-1 13737 Napa Upper Napa Valley Napa River Basin (Calistoga) Comment
  UCD38309  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa 12 miles east of Rutherford, along Highway 128. Comment
  RSA195292  Trifolium dichotomum Gilbert Muth 1967-4-16 642 Napa Snell Valley 183 Comment
  SEINET3131839  Trifolium dichotomum L. S. Rose 1935-4-18 35100 Napa Steel Canyon Comment
  JEPS106808  Trifolium fucatum Jake Ruygt 1993-4-12 3200 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  UCD149711  Trifolium glomeratum 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
  RSA617194  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 90 Comment
  JEPS65963  Trifolium microcephalum W. L. Jepson 1924-4-29 10389 Napa Toll House Mt. St. Helena Comment
  UCD159935  Trifolium microcephalum 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
  POM126208  Trifolium microdon C. F. Sonne 1895-04 3102 Napa Napa Junction Comment
  UCR146398  Trifolium oliganthum Beecher Crampton 1960-5-17 5539 Napa Inner North Coast Ranges, 6 miles west of Oakville 701 Comment
  JEPS126078  Trifolium repens Jake Ruygt 1978-9-19 421 Napa Napa River north of Trancas St. Napa 7.5' Quad. Comment
  UCD17991  Trifolium subterraneum Ellen Dean; with Plant Biology 102 class 2001-4-14 717 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  UCD109408  Trifolium variegatum W. L. Jepson 1915-4-23 6235 Napa St. Helena, hills east. Comment
  UCD38371  Trifolium variegatum Beecher Crampton 1955-4-4 2389 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  POM313549  Trifolium variegatum var. melananthum P. B. Kennedy 1928-5-13 10146 Napa Napa to Sonoma highway 3 miles W. of Napa. Comment
  JEPS106720  Trifolium variegatum var. pauciflorum Jake Ruygt 1982-5-26 1297 Napa Craters region south of Robert Louis Stevenson Sate Park 762 Comment
  JEPS4416  Trifolium variegatum var. variegatum Willis L. Jepson 1893-4-24 13708 Napa e St. Helena (hills, to Conn Valley Rd); Napa River Basin Comment
  UC16765  Trifolium variegatum var. variegatum Willis L. Jepson 1894-5-1 Napa Conn Valley Comment
  UC16770  Trifolium variegatum var. variegatum W. L. Jepson May 2 1891-May 6 1891 Napa Little Oak Comment
  JEPS106687  Trifolium willdenovii Jake Ruygt 1996-4-10 3569 Napa di Rosa Ranch, HWY 12 near Duhig Road. 91 Comment
  UCD109842  Trifolium willdenovii Heidi E. M. Dobson 1978-5-20 329 Napa East slope of Mt. Veeder. Comment
  JEPS48858  Trifolium willdenovii Elsa Kraeger 1926-3-27 Napa near Soscol (along rd) Comment
  POM18839  Trifolium willdenovii C. F. Baker 1903-4-19 1992 Napa Calistoga. Comment
  JEPS47270  Trillium albidum W. L. Jepson 1910-3-28 4024 Napa sw of Calistoga (Rebecca Ranch grade); Rebecca Ranch grade Comment
  CAS-BOT-BC133384  Trillium ovatum Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS106582  Triodanis biflora Jake Ruygt 1987-6-5 2028 Napa Wild Horse Valley Ranch near White Creek 402 Comment
  JEPS110638  Triphysaria eriantha Jake Ruygt 1994-3-26 3336 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  JEPS110673  Triphysaria eriantha Jake Ruygt 1979-4-6 479 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 188 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
  SEINET5738473 Image available Triphysaria eriantha subsp. eriantha Stan Logan 1965-1 8 Napa Dollarhide Road, ca. 3 miles east of Pope Valley.; Pope Valley Comment
  JEPS10431  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley; Napa Range, Conn Valley Comment
  JEPS11171  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1941-4-26 4921 Napa Pope Valley Comment
  SJSU11599  Triphysaria versicolor subsp. faucibarbata E. C. Garbett 1961-4-15 288 Napa by rd between Vallejo & Brown Valley Rd Comment
  UCD83859  Triphysaria versicolor subsp. faucibarbata Ellen Dean; Stephen Rae 2010-3-15 5817 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  CDA41890  Triphysaria versicolor subsp. faucibarbata T. C. Fuller 1958-5-1 s.n. Napa Highways 29 & 21, 6 miles south of Napa. 0 Comment
  JEPS86221  Triphysaria versicolor subsp. faucibarbata L. R. Heckard 1970-5-4 2447 Napa n side of Kelly Rd 0.5 mi n of CA Hwy 12 near junction of Hwy 12 and Hwy 29 ca 10 mi n Vallejo Comment
  UCD18487  Triteleia clementina P. J. Plummer 1995-5-27 s.n. Napa exact location unknown. 335 Comment
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Jul 16 2018
  UCD160682  Triteleia hyacinthina Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8754 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  SEINET198873  Triteleia laxa R. L. Ferral 1954-5-30 12 Napa 5 feet off road on west side ca. 3 miles south of Capell Valley road junction on Montcello-Napa road 244 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
  UCD159928  Triteleia laxa 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
  UCD48278  Triteleia laxa E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 24 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
  UCD48794  Triteleia laxa E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., on a W-facing slope approximately 2400 ft. as the crow flies NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  CAS-BOT-BC526509  Triteleia laxa David D. Keck 1933-5-29 2367 Napa Pope Creek bridge south of Walters Springs. Comment
  UC15022  Triteleia lugens J. P. Tracy 1902-5-15 1450 Napa 3-4 mi e Angwuns (head of Moore's Creek); Howell Mtn 457 Comment
  CDA30787  Triteleia peduncularis V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UCD139363  Triteleia peduncularis Beecher Crampton 1957-6-4 4104 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD35479  Tropidocarpum gracile Beecher Crampton 1957-4-15 3931 Napa Vaca Mtns., east slope of Wragg Canyon, Hwy. 128. Comment
  UCD161236  Turritis glabra Jake Ruygt 1992-4-2 2873 Napa Napa County : Wild Horse Valley Ranch, Johnson's Meadow. (Coordinates estimated by label maker at UC Davis). 481 Comment
  CAS-BOT-BC91196  Umbellularia californica Ira L. Wiggins 1932-3-12 5754 Napa Bank of North Fork of Napa River 1 mile north of Calistoga. 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
  JEPS106871  Uropappus lindleyi Jake Ruygt 1982-3-20 1137 Napa Campbell Flat, Mt.St.John 323 Comment
  JEPS35616  Uropappus lindleyi Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  UC36689  Uropappus lindleyi Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  UC36693  Uropappus lindleyi W. L. Jepson 1894-5-3 Napa St. Helena Napa River Basin; St. Helena, Napa River Basin Comment
  UC50066  Uropappus lindleyi Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga Napa River Basin Comment
  JEPS120409