Search Results — 2000 specimen records retrieved (1486 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD161303  Acer negundo Jake Ruygt 1979-4-2 472 Napa Napa Creek at First Street bridge, Napa. (Coordinates estimated by label maker at UC Davis). 4 Comment
  CAS-BOT-BC28636  Achillea millefolium E. Ruckert 1960-5-1 136 Napa 6495 Dry Creek Road, upper field south of house above water reservoir 381 Comment
  CAS-BOT-BC28691  Achillea millefolium P. H. Raven 1952-5-31 4135 Napa Summit of hills SW of Rector Canyon 304 Comment
  UCD47869  Achillea millefolium S. E. Ratay; M. Disney, J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 27 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  SEINET2145824  Achillea millefolium var. lanulosa H. Popenoe 1949-6-4 36 Napa Putah Canyon, 11 miles west of Winters, on Napa-Yolo county line. Comment
  UCD50291  Achnatherum coronatum Jack Maze 1964-5-8 48 Napa 3 miles southwest of Monticello Dam, State Highway 128, Napa County, California. Comment
  UCD170663  Achyrachaena mollis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD63351  Acmispon americanus var. americanus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 200 Comment
  UCD104084  Acmispon brachycarpus M. Sidells 1996-4-13 9 Napa Next to path on north facing hill at southwest side of Lake Berryessa, 150m northeast of Knoxville Rd. 250 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
  UCD170214  Acmispon brachycarpus Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 743 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 357 Comment
  UCD104080  Acmispon brachycarpus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD75710  Acmispon strigosus Jake Ruygt 1980-4-1 965 Napa Stags Leap. 213 Comment
  UCD148810  Acmispon wrangelianus Ellen Dean; Diana Hickson 2014-4-29 8117 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD48952  Acmispon wrangelianus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 21 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  CDA6754  Acroptilon repens B. E. Eaton 1971-7-7 Napa Dealy Lane, Napa. 0 Comment
  CDA10859  Adenostoma fasciculatum G. F. Hrusa, M. Rejmanek 1993-5-15 10954 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  UCD18631  Adenostoma fasciculatum Roman Gankin 1957-5-30 228 Napa 5.1 miles W of Monticello Dam, just off of highway on top of hill. Comment
  SBBG50562  Adenostoma fasciculatum var. fasciculatum B. Stanfield 1966-5-22 49 Napa 1 mi W of Monticello Dam, along St Hwy 128 Comment
  CAS-BOT-BC65664  Adiantum jordanii James L. Reveal 1987-6-7 6397 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 609 Comment
  CAS-BOT-BC65667  Adiantum jordanii Carl B. Wolf 1928-5-3 1843 Napa base of Mt. St. Helena Comment
  JEPS127885  Adiantum jordanii Adam C. Schneider with Dick O'Donnell 2014-5-28 242 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd. 2.5 miles west of Junction with Barynessa Knoxville Road. Comment
  CAS-BOT-BC65665  Adiantum jordanii Evalina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  UCSB8225  Adiantum jordanii Keator, Glenn 1959-3-28 Napa Conn's picnic grounds near Lake Hennessy, Napa range Comment
  UCD167151  Aegilops triuncialis Jake Ruygt 2015-5-9 6094 Napa Missimer - Snell Valley Preserve. 174 Comment
  SEINET1908051  Aesculus californica Richard R. Halse 1989-1 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  SEINET181203 Image available Agoseris grandiflora Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15291 Napa 20 miles north of Napa Comment
  SBBG7511  Agoseris grandiflora H. and M. Dearing 1939-5-2 3829 Napa near Napa Comment
  UC127180  Agoseris grandiflora var. grandiflora Harley P. Chandler Sep 7 1906-Sep 14 1906 7153 Napa Alta Loma Ranch Alta Loma Ranch 487 Comment
  CAS-BOT-BC22751  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 Comment
  JEPS104534  Agoseris heterophylla Jake Ruygt 1988-5-29 2193 Napa Cedar Valley 588 Comment
  UCD63192  Agoseris heterophylla Jake Ruygt 1991-5-18 2675 Napa Fawn Lake, Friesen's Lakes, Angwin. 597 Comment
  UC164850  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-14 1439 Napa 3-4 mi e, (head of Moore's Creek) Angwin's; Howell Mountain, Moore's Creek 365 Comment
  UC165998  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-21 1602 Napa 3 to 4 mis e, (head of Moore's Cr) Angwin's; Howell Mt., Moore's Creek 426 Comment
  UC29363  Agoseris heterophylla var. heterophylla Willis L. Jepson 1894-5-1 Napa Conn Valley, (Napa River Basin); Napa River Comment
  JEPS45601  Agrimonia gryposepala Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch 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
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD32918  Agrostis exarata var. monolepis Beecher Crampton 1965-7-7 7441 Napa Napa County, north end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  SEINET10843464  Agrostis foliosa Joseph P. Tracy 1905-7-5 Tracy 2210 Napa Howell Mountain, on hills at head of Moore's creek, 3.4 miles E of Angwin's. Comment
  CAS-BOT-BC139729  Agrostis gigantea Peter H. Raven 1951-6-24 3010 Napa Napa. 30 Comment
  CAS-BOT-BC139730  Agrostis gigantea Peter H. Raven 1951-6-26 3049 Napa East of Napa on Monticello Road. 60 Comment
  RSA128661  Agrostis hallii P. H. Raven 1950-6-20 2354 Napa Napa Range between Conn Valley and Howell Mountain Comment
  UCD38719  Agrostis hallii Beecher Crampton 1957-6-4 4109 Napa North end of Capell Valley. Comment
  UCD52553  Agrostis hallii var. pringlei P. B. Kennedy Date Unknown s.n. Napa 8 miles from Santa Rosa, Calistoga. Comment
  CAS-BOT-BC138819  Agrostis microphylla Beecher Crampton 1955-5-9 2749 Napa Meadow, supplied by the waters of Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  CAS-BOT-BC138823  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Meadow, Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  CHSC79389  Agrostis microphylla Beecher Crampton 1956-4-26 3303 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  RSA113784  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga Comment
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC139017  Agrostis pallens Joseph P. Tracy 1905-7-5 2210 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  UCD73459  Agrostis pallens Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD73507  Agrostis pallens Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCR227899  Agrostis pallens Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  RSA92953  Agrostis stolonifera P. H. Raven 1951-6-26 3049 Napa E. of Napa on Monticello Rd. 61 Comment
  SACT000925  Aira danthonioides M. Wiesendanger 1927-5-4 Napa Comment
  JEPS123026  Aira elegans Jake Ruygt 1982-4-29 1214 Napa Suscol plain east of Kaiser Steel, west of Highway 29 (221). Quad: Napa. Comment
  JEPS97780  Allium amplectens Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2775 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  RSA92951  Allium amplectens Peter H. Raven 1951-6-10 2917 Napa Crater region E of Palisades. 762 Comment
  RSA32797  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  CAS-BOT-BC466762  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  HSC2942  Allium falcifolium Greg Bos 1963-3-24 47 Napa NW end of Lake Berryessa, at Putah Creek 457 Comment
  HSC81861  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1980-5-3 5152 Napa W side of Butts Canyon Rd. at junction with private rd. 244 Comment
  RSA183471  Allium falcifolium William B. Davis 1960-4-15 27 Napa Pope Valley, 5 miles east of turn-off from lower end of Lake Berryessa. Comment
  UC1278731  Allium falcifolium G. L. Stebbins Jr. 1948-5-9 3936 Napa on road to Napa 8 mi s Monticello (w side of Steel Canyon); Steel Canyon Comment
  UCD33221  Allium falcifolium Beecher Crampton 1967-5-11 7921 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD48252  Allium falcifolium R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 15 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  RSA293012  Allium falcifolium Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 763 Napa Mt St Helena. Comment
  SEINET10532707  Allium falcifolium Morrison 1938-4-24 MORRISON 1355 Napa Abundant on serpentine outcrop with pinus sabiniana, quercus durata, ceanothus; .6 Miles w of knoxville on road from monticello to lower lake Comment
  UCD138521  Allium falcifolium M. Ensign 1943-5-28 327 Napa 26 miles from Monticello on road to Lower Lake. Comment
  SEINET195017  Allium fimbriatum A. A. Heller 1941-5-3 16127 Napa Near summit of first ridge W of Knoxville Comment
  JEPS96556  Allium fimbriatum var. fimbriatum Dean W. Taylor 1998-5-20 16447 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  CAS-BOT-BC472784  Allium neapolitanum Peter H. Raven 1957-5-5 10786 Napa Calistoga 91 Comment
  UCD148830  Allium serra Ellen Dean; Diana Hickson 2014-4-29 8135 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  JEPS110933  Allium unifolium Jake Ruygt 1996-5-13 3675 Napa Wantrop Wildlife Sanctuary, Hardin Road, Pope Valley 438 Comment
  SEINET12044626  Allium unifolium J. T. Howell 1931-1 6462 Napa Conn Valley Comment
  CAS-BOT-BC284  Allocarya piperi Amos Arthur Heller; H. E. Brown 1902-4-25 5361 Napa Near Napa Comment
  JEPS69369  Allophyllum divaricatum W. L. Jepson 1893-6-26 15060 Napa Howell Mt., Angwin's Meadows Comment
  UCD167207  Allophyllum divaricatum Jake Ruygt 1998-6-20 4045 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  UCD167208  Allophyllum divaricatum Jake Ruygt 1998-4-18 3924 Napa Blue Ridge about 1.5 mile north of Mays Flat. 731 Comment
  JEPS101637  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16692 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  CAS-BOT-BC170679  Alnus rhombifolia H. E. McMinn 1922-8-2 357 Napa Putah Canyon Comment
  JEPS126112  Alnus rhombifolia Jake Ruygt 1978-4-6 266 Napa 2.9 miles east of Dry Creek Road on Redwood Road. Napa 7.5' Qua. Comment
  JEPS58642  Alnus rhombifolia W. L. Jepson Nov 26 1895-Nov 27 1895 Napa sw St. Helena; White Sulphur Springs Comment
  UC1197953  Alnus rhombifolia J. P. Tracy 1902-5-16 1490 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 304 Comment
  JEPS129122  Alopecurus saccatus Jake Ruygt 2015-5-2 6086 f Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  JEPS68435  Alopecurus saccatus W. L. Jepson 1921-5-6 9181 Napa Calistoga 109 Comment
  UCD148571  Amaranthus retroflexus Jake Ruygt 1986-7-12 1877 Napa Napa County; Napa River west of Junior College. 3 Comment
  JEPS104501  Ambrosia psilostachya Jake Ruygt 1978-9-27 422 Napa .15 mi. west of Buhmann Ave. on Henry Rd 48 Comment
  JEPS7803  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa near Slaughterhouse Point; Napa River 0 Comment
  UCD39198  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
  JEPS45495  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 b Napa Howell Mt.; Napa River Basin Comment
  UC1010757  Amelanchier utahensis Peter H. Raven 1953-5-2 5406 Napa Rector Creek 396 Comment
  CHSC102539  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS115757  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  CAS-BOT-BC177209  Amorpha californica var. napensis C. H. M. 1907-7-10 s.n. Napa Howell Mt. Comment
  UCD95911  Amorpha californica var. napensis Ellen Dean; with Clare Loughran 2011-5-20 7050 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. At road intersection on western side of property. 608 Comment
  JEPS123020  Ampelodesmos mauritanicus Jake Ruygt 1993-11-29 3293 Napa Approximate 2.5 miles NE of Silverado Trail on Lawly Toll Road. Quad: Detert Reservoir. Comment
  UCD56011  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. N of Hwy 29. Steep, north-facing slope above Garnet Cr. 400 Comment
  CAS-BOT-BC222308  Amsinckia douglasiana E. Ruckert 1960-4-17 98 Napa 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  JEPS126073  Amsinckia eastwoodiae Jake Ruygt 1982-3-26 1146 Napa East of Rocktram, west of Highway 221. Napa 7.5' Quad. Comment
  UCD170819  Amsinckia intermedia 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UC1094053  Amsinckia intermedia Francia Chisaki 1954-4-15 594 Napa 12.7 mi n of its cut-off from Highway #29 (on Silverado Trail); Silverado Trail Comment
  UC1178197  Amsinckia intermedia Francia Chisaki 1954-4-15 595 Napa about 2 mi s Calistoga (on Silverado Trail); Silverado Trail Comment
  JEPS126130  Amsinckia lycopsoides Jake Ruygt 2010-3-13 5488 z Napa Silverado Trail at Zinfandel Lane. Rutherford 7.5' Qua. 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
  JEPS61104  Amsinckia menziesii var. menziesii W. L. Jepson 1924-4-6 10322 Napa mouth of Conn Creek near St. Helena; Conn Creek 91 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
  UCD19934  Anagallis arvensis E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 792 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD35480  Anagallis arvensis Beecher Crampton 1957-4-15 3930 Napa Napa County; Vaca Mtns., Markley Canyon. Comment
  UCD48077  Anagallis arvensis Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 29 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 640 Comment
  UCD49110  Anagallis arvensis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 20 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on slope N of North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  JEPS104503  Ancistrocarphus filagineus Jake Ruygt 1993-4-12 3198 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  UCD170806  Ancistrocarphus filagineus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD55443  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
  CDA13136  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 1 of 3 Comment
  UC20797  Angelica tomentosa Willis L. Jepson Aug. 1892 Napa near St. Helena (Napa River Basin); Napa River Basin Comment
  UC20807  Angelica tomentosa Willis L. Jepson 1893-9-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UC765494  Angelica tomentosa R. F. Hoover 1938-9-23 3861 Napa south fork of Butts Creek Butts Creek Comment
  UCD127187  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  RSA0000647  Angelica tomentosa var. elata W. L. Jepson 1895-8-30 13484 Napa Upper Napa Valley. Napa River Basin. Near Calistoga. Comment
  CAS-BOT-BC273162  Anisocarpus madioides Jean Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  UCD127276  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa east side of Napa Valley, around 2 miles north of St. Helena. Comment
  JEPS21670  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa about 2 mi sw Oakville 152 Comment
  RSA132844  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa About 2 miles SW of Oakville. 152 Comment
  UCR146404  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa Inner North Coast Ranges, 4.7 miles east of Conn Reservoir Dam on State Hwy. 128 244 Comment
  UCD33685  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa 4.7 miles east of Conn Reservoir Dam, State Hwy. 128. Comment
  JEPS110622  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1978-5-23 98 Napa .4 mile west of Langtry Rd. on Spring Mountain Rd. 185 Comment
  JEPS112547  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1989-6-3 2362 b Napa about 1 mile south of Monticello dam on Vaca Mtns. 402 Comment
  UCD160733  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Ellen Dean 2015-5-23 8785 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  JEPS112546  Antirrhinum virga Jake Ruygt 1986-5-18 1775 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 463 Comment
  UC521687  Antirrhinum virga Joseph Andorfer Ewan 1933-9-17 8017 Napa near Stevenson Memorial (Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC451168  Aphanes Peter H. Raven 1953-3-29 5221 Napa Hills e. of Imola 121 Comment
  RSA470387  Apiastrum angustifolium J. T. Howell 1931-4-19 6457 Napa Conn Valley. Comment
  UCD14925  Apiastrum angustifolium David Rhode 1977-4-16 17 Napa along the Monticello Dam Road. 259 Comment
  POM256859  Apocynum X floribundum H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  UCD148557  Apocynum cannabinum Jake Ruygt 2004-6-19 4621 Napa Napa County; Long Canyon Creek near Eticuera Creek. 310 Comment
  UC382607  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi n Pope Valley Comment
  UC765745  Aquilegia eximia R. F. Hoover 1938-9-23 3865 Napa canyon of South Fork Butts Creek Comment
  UC1125888  Aquilegia formosa B. Schreiber 1936-5-3 2203 Napa 1.2 mi w Calistoga; Calistoga quad 152 Comment
  JEPS106845  Arabis glabra Jake Ruygt 1992-4-7 2892 Napa Tuteur Ranch, SW corner 365 Comment
  JEPS106774  Arabis modesta Jake Ruygt 1998-4-18 3923 Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  UCD114143  Arabis modesta Glen Holstein 1979-3-22 s.n. Napa Along south side of State Highway 128 at Monticello Dam. 170 Comment
  JEPS40073  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  CAS-BOT-BC128666  Arbutus menziesii Elsa G. Ruckert 1960-3-26 49 Napa 6495 Dry Creek Road - Private road east of house 300 yards 365 Comment
  HSC7593  Arbutus menziesii Greg Bos 1963-3-30 66 Napa S slope of Hennessey Lake 213 Comment
  UC650408  Arbutus menziesii Ira L. Wiggins 1928-3-25 2885 Napa 1 1/2 mi ne of Calistoga Comment
  UC876364  Arbutus menziesii Alice Eastwood 1922-3-25 11105 Napa Calistoga Comment
  UCSB8404  Arbutus menziesii Kamb, Peter; Chisaki, Francia 1950-4-22 Napa 500 feet above valley floor, west side of Wooden Valley on California Highway 37 304 Comment
  JEPS40129  Arceuthobium campylopodum W. L. Jepson Oct. 1893 Napa Conn Valley Comment
  RSA10639  Arceuthobium campylopodum Carl B. Wolf 1928-5-4 1851 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC410145  Arceuthobium occidentale John Thomas Howell 1930-10-19 5618 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown Comment
  HSC7610  Arctostaphylos canescens C. B. Wolf 1928-2-25 1503 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  JEPS38631  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14695 Napa first summit Napa River Basin, Mt. St. Helena Comment
  LA42154  Arctostaphylos canescens Joseph Andorfer Ewan; 1937-5-23 10335 Napa Mount Saint Helena, Summit trail Comment
  CAS-BOT-BC23960  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-5-5 11300 Napa Mt. St. Helena Comment
  CAS-BOT-BC23962  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1963-9-23 105 Napa Near quarry, near Lake County Line, Mt. St. Helana. Adjacent to Silverado State Park. Comment
  CAS-BOT-BC23963  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helana Comment
  CAS-BOT-BC23989  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena Trail Comment
  CAS-BOT-BC23990  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12268 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC23992  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa On saddle about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  CAS-BOT-BC23993  Arctostaphylos canescens subsp. canescens R. Bacigalupi 1926-1-2 1272 Napa Mt. St. Helena, just above toll house. 883 Comment
  CAS-BOT-BC24000  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-7 4697 Napa Mt. St. Helena Comment
  CAS-BOT-BC24019  Arctostaphylos canescens subsp. canescens Lester Rowntree 1937-7-9 s.n. Napa Monticello Road Comment
  JEPS116573  Arctostaphylos canescens subsp. canescens Jake Ruygt 1977-3-27 162 Napa Mount Saint Helena. 7.5' Detert Reservoir Quad. Comment
  RSA15669  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  UC1309703  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1936-9-20 712 Napa Mt. St. Helena Calistoga Quadrangle 609 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
  UC674740  Arctostaphylos canescens subsp. canescens W. K. Fisher 1900-9-9 Napa Mt. St. Helena 853 Comment
  UCD73392  Arctostaphylos canescens subsp. canescens 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
  UCR212319  Arctostaphylos canescens subsp. canescens Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  CAS-BOT-BC23623  Arctostaphylos crustacea Lewis S. Rose 1937-4-4 37017 Napa Wooden Valley Grade, 8 mi. NE of Napa 274 Comment
  SEINET6409377 Image available Arctostaphylos densiflora Unknown 1983-5-26 s.n. Napa S. Summit of Mt. St. Helena Comment
  UCD50910  Arctostaphylos glandulosa A. E. Wieslander 871 1939-3-18 871 Napa 1.5 miles northeast of Mt. Veeder. 304 Comment
  UCD51495  Arctostaphylos glandulosa Collector unknown Date Unknown Napa Comment
  UCD73455  Arctostaphylos glandulosa Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  JEPS49565  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 17996 Napa Adam-and-Eve Ridge Howell Mtn. Comment
  RSA10633  Arctostaphylos glandulosa subsp. glandulosa C. B. Wolf 1928-5-4 1858 Napa Upper slopes of Mount St. Helena. Comment
  UCR220105  Arctostaphylos glandulosa subsp. glandulosa Ayzik Solomeshch, Stephen Rae 2007-7-8 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  RSA523189  Arctostaphylos manzanita Richard Halse 1987-2-22 3377 Napa Along State Hwy. 29 about one third mile north of its junction with Tubbs Lane, just north of Calistoga. 168 Comment
  UCSB22860  Arctostaphylos manzanita McMinn, H. 1936-4-4 Napa Howell Mt. Comment
  CAS-BOT-BC38914  Arctostaphylos manzanita subsp. elegans J. W. Stacey 1922-3-1 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC38915  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1930-7-13 5355 Napa Chaparral on the edge of the 'Crater Country' Comment
  CAS-BOT-BC38917  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1926-10-3 2198 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC24285  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1928-3-24 2861 Napa Grade in old road to lake Co. above Calistoga. Comment
  CAS-BOT-BC24287  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade 2 mi. below Hawkins Mt. Canyon. Comment
  CAS-BOT-BC38774  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade 2 miles below hawkins Mountain Camp. Comment
  CAS-BOT-BC38775  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-2-22 6413 a Napa Hills just north of White Sulfur Springs, w. of St. Helena 152 Comment
  JEPS122803  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5104 Napa 2.3 miles east of Moscowite corner on Highway 128. QUAD: Capell Valley. Comment
  UC909842  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 646 Napa Mt. St. Helena Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga Comment
  CAS-BOT-BC43855  Arctostaphylos stanfordiana H. E. McMinn 1926-1-2 1630 C Napa Mt. St. Helena Comment
  CDA11912  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-3-11 11599 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  CDA11914  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-3-11 11598 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  JEPS38678  Arctostaphylos stanfordiana Willis L. Jepson 1893-5-4 14724 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  JEPS38682  Arctostaphylos stanfordiana Willis L. Jepson 1893-9-23 14716 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  JEPS49566  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17997 Napa at cross-rift or rock traverse 1/4 mi below summit; Howell Mt., Adam-and-Eve Ridge Comment
  OBI14517  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 244 Comment
  SJSU5727  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UC924271  Arctostaphylos stanfordiana H. S. Reed 1939-4-16 229 Napa Napa Hills Comment
  SEINET11987133  Arctostaphylos stanfordiana W. Knight, Knight, I. 1980-1 3825 Napa Tilden Botanic Gardens, Berkeley, orig. from Mt. St. Helena Comment
  RSA10631  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-5-4 1860 Napa Upper slopes of Mount St. Helena. Comment
  RSA169361  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles SW of Angwin. 244 Comment
  RSA70890  Arctostaphylos stanfordiana subsp. stanfordiana J. T. Howell 1930-3-23 4559 Napa Near Mt. St. Helena. Comment
  CDA11907  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins 1994-4-8 11713 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCD20647  Arctostaphylos viscida R. J. Blenkush; J. H. Richards 2000-1-29 41 Napa McLaughlin Reserve. Collected at the intersection of Hunting Creek Road with Devilhead Road. 536 Comment
  UCR43194  Arctostaphylos viscida 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
  RSA388862  Arctostaphylos viscida subsp. viscida R. W. Brooks 1975-4-26 54 Napa 12 miles north from State Highway 128, Pope Valley. 762 Comment
  RSA450961  Arctostaphylos viscida subsp. viscida C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  UC1388347  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-20 874 Napa Pope Creek North Coast Ranges Comment
  SFV957  Aristolochia californica H. Dearing, M. Dearing 1940-3-20 4147 Napa Near Napa. Comment
  UC1198120  Aristolochia californica Joseph P. Tracy 1933-6-2 12492 Napa along Napa R. e. of St. Helena 76 Comment
  SEINET258288  Artemisia douglasiana Unknown 1986-9-19 10231 Napa Napa County: in the northern end of the Napa Valley, on the west side of Calistoga. 110 Comment
  OBI74550  Artemisia douglasiana David J. Keil 1986-11-8 19796 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  UCD121245  Asclepias cordifolia James N. Seiber 1984-7-21 s.n. Napa Lake Berryessa, near Monticello Dam. Comment
  JEPS104499  Asclepias fascicularis Jake Ruygt 1978-8-6 388 Napa .2 miles north of Yountville exit from HWY 29, Washington St 27 Comment
  UCD121348  Asclepias fascicularis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  UCD20731  Asclepias fascicularis Ellen Dean; w/ Mark Bibbo 2002-6-17 1095 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. 198 Comment
  UC1299582  Asclepias solanoana Freed W. Hoffman 1949-6-4 3215 Napa Oat Hill Mine road North Coast Ranges (northern Napa County) Comment
  JEPS103978  Aspidotis californica Jake Ruygt 1990-12-15 2615 Napa Monticello Rd. at site of Jarvis Winery cave 341 Comment
  UC1076342  Aspidotis densa Herbert L. Mason 1926-1-2 2609 Napa Toll House Canyon; Mt St Helena Comment
  CAS-BOT-BC69616  Aspidotis densa Ira L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake County Line. 853 Comment
  RSA756247  Aster subulatus var. parviflorus Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  SBBG122674  Astragalus breweri J. Dittes 2003-4-5 2003 -13 Napa SW of jct of Bennet Lane and Tubbs Lane, ca. 1.8 air-mi N by NW of Calistoga City Hall, ca 1 air-mi NW of confluence of Napa River and Garnett Crk 123 Comment
  UCD38988  Astragalus breweri Beecher Crampton 1961-4-6 5854 Napa 1 mile north of Moskowite Corners, along State Hwy. 128. Comment
  JEPS107259  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa East end of Taplin Road 106 Comment
  JEPS2754 Image available Astragalus claranus Clara A. Hunt 1909-4-8 Napa St. Helena; ; St. Helena, Napa Co. Comment
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Aug 6 2014
  RSA424722  Astragalus claranus Aaron Liston, M. Blumler, B. Grummer 1987-4-25 660 -1 Napa Napa Valley State Park. Comment
  RSA90752  Astragalus claranus J. T. Howell 1931-4-19 6442 Napa Conn Valley. Comment
  UCD160793  Astragalus clevelandii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8673 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC178290  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  CAS-BOT-BC178295  Astragalus gambelianus L. R. Abrams 1928-5-3 12227 Napa St. Helena Grade Comment
  UCD38569  Astragalus gambelianus Beecher Crampton 1956-5-25 3448 Napa Vaca Mtns., Markley Canyon. Comment
  RSA112186  Astragalus gambelianus R. C. Barneby 1954-4-30 11230 Napa Conn Valley near the slipway. Comment
  CAS-BOT-BC193126  Astragalus rattanii var. jepsonianus David D. Keck 1933-5-29 2361 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS53211  Athysanus pusillus W. L. Jepson 1936-4-5 17416 a Napa Knoxville, ne Napa County Knoxville Comment
  SEINET3165955  Athysanus pusillus C. D. Bailey 2008-3-19 260 Napa East of the town of Napa along Combsville Rd. Follow onto Wild Horse Valley Rd. as Combsville Rd. comes to an end. Ca. 1 mile up Wild Horse Valley Rd. on a road cut. 183 Comment
  UCR23605  Athysanus pusillus John C. Roos 1939-4-18 277 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  UC14310  Athysanus pusillus Platt 1898-1 Napa Vaca Mountains Comment
  JEPS126099  Atriplex rosea Jake Ruygt 1991-9-21 2840 Napa Kennedy Park, north of the boat ramp. Napa 7.5' Qua. Comment
  SEINET10565955  Avena Ana Maria Planchuelo 1980-1 Planchuelo 509 Napa No other info available. Comment
  UCD56313  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3539 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC145928  Avena fatua Peter H. Raven 1954-2-22 6407 Napa Orchard at west end of Saint Helena. 60 Comment
  JEPS122714  Baccharis glutinosa Jake Ruygt 1982-7-21 1376 Napa Edgerley Island. Quad: Cuttings Warf. Comment
  POM350407  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  UCD81444  Baccharis salicifolia subsp. salicifolia M. Wiesendanger 1926-4-1 1498 Napa Napa County. Comment
  JEPS104527  Balsamorhiza macrolepis Jake Ruygt 1981-4-20 988 Napa American Canyon east of Flosden Rd. 152 Comment
  JEPS104572  Balsamorhiza sericea Jake Ruygt 1988-5-29 2189 Napa east tributary of Sensitive Plant Canyon 414 Comment
  CAS-BOT-BC16524  Barbarea orthoceras Milo S. Baker 1926-4-10 204 Napa The Crater - 3 miles south of Saint Helena Inn. Comment
  CAS-BOT-BC16525  Barbarea orthoceras Peter H. Raven 1964-5-9 19068 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  CAS-BOT-BC145816  Beckmannia syzigachne Peter H. Raven 1951-6-24 3028 Napa Brown's Valley to Napa Sonoma Road. 91 Comment
  UCD122106  Bellardia trixago J. M. Tucker 1952-5-17 s.n. Napa ca. 7 miles southwest of Napa. Comment
  JEPS110686  Boisduvalia densiflora Jake Ruygt 1980-6-21 934 Napa Bear Valley 633 Comment
  UC841023  Bolboschoenus robustus Milo S. Baker 1932-10-8 6039 Napa bank of Napa River at Cuttings Wharf; bank of Napa River at Cuttings Wharf Comment
  CAS-BOT-BC106268  Brickellia californica John Thomas Howell 1927-8-24 3047 Napa In bed of Pope Valley Creek between Walter's Springs and Samuel's Springs, Napa Range Comment
  CAS-BOT-BC106271  Brickellia californica H. E. McMinn 1922-8-2 398 Napa Dutch Canyon [Canon] Comment
  JEPS104526  Brickellia californica Jake Ruygt 1982-9-8 1386 Napa Capell Creek 1 mile east of HWY 128, Berryessa-KnoxvilleRd 143 Comment
  UCD57145  Briza maxima Beecher Crampton 1965-5-13 7335 Napa Ca. 3 miles SE of Calistoga Silverado Trail. Comment
  HSC9100  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS76094  Briza minor W. L. Jepson 1938-5-25 18857 Napa Howell Mt. Napa Range (meadow on road into Bell Canyon) 579 Comment
  RSA170266  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jola Plateau 518 Comment
  JEPS7641  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House (Mt. St. Helena); Mt. St. Helena Comment
  UCD139130  Brodiaea elegans subsp. elegans J. Buck 1996-6-2 22 Napa Highway 128 by Hennessey Lake on the side of the road. 48 Comment
  JEPS50491  Brodiaea elegans subsp. elegans Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9306 Napa along Conn Valley Road (0.8 mi e of its junction with Howell Mountain Road at upper end Conn Valley); upper end of Conn Valley 121 Comment
  CAS-BOT-BC484195  Brodiaea elegans var. elegans Alice Eastwood 1915-6-5 4648 Napa Calistoga on hills Comment
  CAS-BOT-BC484199  Brodiaea elegans var. elegans Rimo Bacigalupi 1928-6-20 1864 Napa Howell Mt 10 miles west of St. Helena Comment
  CAS-BOT-BC486433  Brodiaea terrestris subsp. terrestris Peter H. Raven 1957-5-5 10750 Napa Near the hot springs, Calistoga 91 Comment
  CAS-BOT-BC144329  Bromus Carl B. Wolf 1928-5-3 1817 Napa 2 miles south of Hawkins Mount Inn Camp. Comment
  UCD95684  Bromus arizonicus Ellen Dean; with Clare Loughran 2011-5-20 7029 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD57979  Bromus carinatus Beecher Crampton 1956-5-25 3482 Napa Howell Mtns. Above Wooden Valley. Comment
  UCD18080  Bromus carinatus var. carinatus Ellen Dean; with PLB 102 class 2000-4-22 638 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
  JEPS123001  Bromus catharticus var. elatus Jake Ruygt 1995-4-8 3417 Napa Silverado Trail at Souza Lane, Napa. Quad: Napa. Comment
  CHSC25161  Bromus diandrus J. E. Beitler 1970-4-19 37 Napa Around York Creek bridge W. side of Spring Mountain Road, ca. 1.7 mi. N.W. of junction of Spring Mountain Road and York Lane. St. Helena. Comment
  CAS-BOT-BC155072  Bromus hordeaceus Ira L. Wiggins 1928-3-25 2871 Napa Roadside 1.5 mile northeast of Calistoga. Comment
  CDA31339  Bromus laevipes D. G. Kelch 2010-5-6 10 .174 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  SBBG20183  Bromus laevipes M. S. Walters 1960-6-18 Napa St Hwy 128 ca. 1 mi W of Conn Lake picnic grounds (ca. 4 mi E of Rutherford) Comment
  UC1010990  Bromus laevipes Virginia Bufford 1936-5-20 321 Napa Calistoga-Healdsburg Highway at Sonoma-Napa County line Calistoga-Healdsburg Highway; , Sonoma-Napa County line Comment
  UC767067  Bromus laevipes R. F. Hoover 1941-4-26 4919 Napa between Samuel Springs and Walter Springs (Pope Creek Canyon); Pope Creek Canyon Comment
  UCD95906  Bromus laevipes Ellen Dean; with Clare Loughran 2011-5-20 7047 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CDA31292  Bromus sterilis D. G. Kelch 2010-5-6 10 .178 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CAS-BOT-BC185228  Calamagrostis koelerioides Beecher Crampton 1957-5-16 4045 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCD57740  Calamagrostis rubescens Freed W. Hoffman 1944-7-7 1973 Napa North Coast Ranges, Trinity Road. Comment
  UCD18034  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 585 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD20821  Calandrinia ciliata N. Nicola 2001-3-29 037 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  JEPS120377  Calendula arvensis Jake Ruygt 1980-3-31 823 Napa end of McLean St., Napa Comment
  UCD83408  California macrophylla Jake Ruygt 1993-5-1 3240 Napa SW end of Cedar Creek Rd. 438 Comment
  UC146150  Callitriche marginata Joseph P. Tracy May 15 1903-May 18 1903 1870 Napa Napa Valley near Calistoga; Northern Coast Ranges 91 Comment
  RSA15665  Calocedrus decurrens C. B. Wolf 1928-2-25 1508 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  JEPS61629  Calochortus amabilis W. L. Jepson 1943-5-15 20775 Napa Knoxville Ridge Comment
  POM263156  Calochortus amabilis J. C. Roos 1939-4-18 278 Napa Howell Mountain, Angwin. Comment
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Feb 15 2006
  RSA450207  Calochortus amabilis J. C. Roos 1939-3-27 305 Napa Snell Valley, Pacific Union College, Angwin Comment
  UC1537212  Calochortus amabilis Gordon H. True Jr. 1938-6-21 740 Napa near Lokoya 365 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
  UCD48752  Calochortus amabilis S. Murphy; K. Keck and K. Dyer 2002-5-5 14 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 450 m. from intersection of West and East roads, S side of upper road leading to power lines and tip parcels. 388 Comment
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Apr 3 2019
  CAS-BOT-BC488482  Calochortus amabilis E. Ruckert 1960-4-17 100 Napa 6495 Dry Creek Road, high in meadow to southwest of road leading in to property. 396 Comment
  CAS-BOT-BC488487  Calochortus amabilis Ira L. Wiggins 1949-4-20 12073 Napa Grassy slope along old toll road between Calistoga and Middletown, about 1.5 miles northeast of Calistoga. Comment
  CAS-BOT-BC488496  Calochortus amabilis Betty H. Johnson 1959-6-8 606 Napa In meadow near St. Helen River 2.4 mi. S.W. of Middletown. Comment
  RSA247334  Calochortus amabilis Gary D. Wallace 1967-5-27 769 Napa W of Union Pacific College, 2 mi. On Howell Mtn. Rd. NE of St. Helena. Comment
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Mar 14 2013
  RSA41934  Calochortus amabilis Ella Dales Cantelow 1939-4-8 3961 Napa Lower Lake Road 10 3/10 mi W of jct Pope Creek Rd. Comment
  SBBG953  Calochortus amabilis H. and M. Dearing 1939-4-30 3236 Napa N of Saint Helena Comment
  JEPS113982  Calochortus luteus Jake Ruygt 1976-5-17 86 Napa .3 mile east of Hillcrest Drive on Westgate Drive. Napa 7.5' Quad. Comment
  CAS-BOT-BC483612  Calochortus tolmiei Peter H. Raven 1964-5-9 19056 Napa 2 miles west of Aetna Springs Comment
  HSC34856  Calochortus uniflorus Thomas W. Nelson, James Nelson 1975-5-5 1804 Napa Along the runway of Calistoga airport, Calistoga Comment
  JEPS17769  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley 91 Comment
  JEPS17796  Calochortus uniflorus W. L. Jepson 1915-4-23 6254 Napa Conn Valley Comment
  SEINET3992203  Calochortus uniflorus Unknown 1957-5-5 10736 Napa Field near the hot springs at the airport, Calistoga Comment
  CAS-BOT-BC496926  Calochortus vestae David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs 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
  RSA255601  Calycadenia pauciflora Gerald D. Carr 1971-8-6 620 Napa Lake Hennessy, Hwy. 128, 1.7 miles SW of Chiles-Pope Valley Road Comment
  UCD129824  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa junction of Lower Chiles Valley and Pope Valley Roads, Comment
  UCD129903  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles north of Spanish Flat of Knoxville-Berryessa Road. 152 Comment
  RSA255521  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road 183 Comment
  RSA255614  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  UC1876641  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mi NW of Knoxville on Morgan Valley Rd. 457 Comment
  UCD129871  Calycadenia pauciflora G. F. Hrusa 1988-9-4 5705 Napa Butts Creek, near Lake-Napa County lines. 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-BC271527  Calycadenia truncata subsp. truncata L. R. Abrams 1916-7-2 5762 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC271574  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271600  Calycadenia truncata subsp. truncata Edward Lee Greene 1881-7-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC271554  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  JEPS45706  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  LA204508  Calycanthus occidentalis Joseph Andorfer Ewan; 1934-4-30 8850 Napa near White Cottages below Pope Valley Comment
  RSA120932  Calycanthus occidentalis G. D. Barbe 1957-7-4 371 Napa 1 mile beyond the Christian Bros. Mt. LaSalle School, 7 miles W of State Hwy 29 and Napa on Redwood Rd. Comment
  SBBG2303  Calycanthus occidentalis H. E. Cott 1949-5-22 A- 127 Napa St Hwy 37, ca. 15 mi N of Napa Comment
  JEPS112616  Calyptridium quadripetalum Jake Ruygt 1998-6-6 4014 Napa Road to Hunting Creek campground. 414 Comment
  UC545814  Calyptridium quadripetalum Herbert L. Mason 1935-5-30 10010 Napa 4 mi n of Knoxville (on the Monticello-Lower Lake Road) Comment
  CAS-BOT-BC221553  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19849 Napa 17 km NE of Calistoga, Butts Canyon 2 km S of Snell Valley turn-off 400 Comment
  UCD117787  Calystegia collina subsp. collina Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  UCD170189  Calystegia collina subsp. collina Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 768 Napa Knoxville Wildlife Area, west of Zim Zim Falls. 406 Comment
  UCSC009027  Calystegia collina subsp. collina Dylan M. Neubauer 2015-4-24 129 Napa (NCoRI) Dirt road abutting drainage flowing S/N on S side Chiles-Pope Valley Road 301 Comment
  UCD161217  Calystegia occidentalis subsp. occidentalis Jake Ruygt 1980-6-22 937 Napa 1 mile N of Snell Valley Rd. on Butts Canyon Rd. 207 Comment
  JEPS31645  Calystegia purpurata Willis L. Jepson 1893-5-2 14518 Napa e Calistoga (New Pope Valley grade, Napa River Basin); Napa River Basin, e of Calistoga Comment
  SJSU8780  Calystegia purpurata J. C. Gibbany 1960-4-30 83 Napa Redwood Rd, 7 mi NW of Napa Comment
  CAS-BOT-BC224627  Calystegia purpurata subsp. purpurata Peter H. Raven 1952-5-26 4035 Napa St. Helena to Howell Mt. 304 Comment
  SEINET7072530  Calystegia subacaulis A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  CAS-BOT-BC224342  Calystegia subacaulis subsp. subacaulis Rimo Bacigalupi 1928-6-20 1859 Napa Howell Mt 10 miles west of St Helena Comment
  JEPS106400  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1987-5-16 1990 Napa Bismark Knob 563 Comment
  UC20542  Camissonia contorta Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  CAS-BOT-BC37118  Capsella bursa-pastoris Elsa G. Ruckert 1960-2-20 3 Napa 6495 Dry Creek Road. Southwest of house. 365 Comment
  UCD170198  Cardamine californica Daniel Potter 2015-3-14 759 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 248 Comment
  JEPS106837  Cardamine californica var. cardiophylla Jake Ruygt 1982-1-24 1093 Napa 3.8 miles south of Monticello Rd. on Wooden Valley Rd. 121 Comment
  JEPS106836  Cardamine californica var. integrifolia Jake Ruygt 1982-2-16 1099 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  UCD114520  Cardamine hirsuta Michael A. Vincent; Ethan H. Freid 1998-4-7 8168 Napa along Route 128 at Road Marker 24\80. Comment
  CAS-BOT-BC37857  Cardamine oligosperma Peter H. Raven 1954-2-22 6397 Napa Saint Helena. 60 Comment
  CDA7772  Cardaria chalepensis Robin Breckenridge 2008-5-8 PDR# 1313560 Napa Napa, DFG Preserve/Lk Berryessa, Eastside Rd. 0 Comment
  CDA6877  Carduus pycnocephalus T. C. Fuller 1958-5-1 Napa 2 miles north of Calistoga. 0 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
  UCD160570  Carex G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  JEPS121333  Carex amplifolia Jake Ruygt 1992-6-22 3044 Napa Above narrow valley, east side Wil Horse Valley Ranch. Comment
  JEPS63517  Carex barbarae W. L. Jepson 1936-7-2 17664 Napa Angwin Meadow, Howell Mountain, Napa Range Comment
  JEPS121331  Carex barbarae Jake Ruygt 1980-4-6 826 Napa Yount Street, Yountville Comment
  UC592674  Carex barbarae Wilhelm N. Suksdorf 1913-7-24 619 Napa Napa River below the city Comment
  CAS-BOT-BC18903  Carex densa J. W. Stacey 1933-5-15 s.n. Napa Howell Mountain. Comment
  JEPS75642  Carex densa W. L. Jepson 1936-5-30 17564 Napa Rutherford Napa Valley Comment
  UCD161741  Carex densa Jake Ruygt 1993-4-18 3207 -c Napa north of American Canyon Creek, south of American Canyon sanitation. 2 Comment
  CAS-BOT-BC32051  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road above Pope Valley. Comment
  UC517564  Carex multicaulis John Thomas Howell 1926-3-28 1768 Napa near Patten's; St. Helena Creek Comment
  CAS-BOT-BC119516  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  CAS-BOT-BC117618  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon 304 Comment
  CAS-BOT-BC117621  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Hwy 128, above Capell Creek, N end of Capell Valley. Comment
  UCD161786  Carex subbracteata Jake Ruygt 2006-4-15 4981 Napa Highway 29 about 0.5 mile south of Lincoln Avenue, Calistoga. (Coordinates converted from UTM data by label maker.) 111 Comment
  CAS-BOT-BC249079  Castilleja affinis Peter H. Raven 1964-5-9 19051 Napa Along dirt road 2 miles west of Aetna Springs Comment
  UC103530  Castilleja affinis subsp. affinis Mrs. Goetsche 1901-5-1 Napa Angwin Comment
  JEPS35589  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1365 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  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
  JEPS84872  Castilleja ambigua var. meadii Jake Ruygt 1986-5-18 1777 Napa ne of Napa (Atlas Peak road, upper end of Milliken Canyon); Milliken Canyon 448 Comment
  UCD70470  Castilleja applegatei subsp. martinii P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, hillsides off hwy 128. 73 Comment
  JEPS18268  Castilleja applegatei subsp. martinii Peter H. Raven 1957-5-5 10784 Napa w edge Calistoga 182 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
  RSA523430  Castilleja applegatei subsp. martinii L. R. Heckard 1964-6-11 1368 Napa Just above Hanley's Resort on the grade over SE flank of Mt. St. Helena; along Calif. 29. Comment
  CDA10882  Castilleja attenuata G. F. Hrusa, M. Rejmanek 1993-5-15 10977 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS129163  Castilleja attenuata Jake Ruygt 2015-3-28 6060 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  UC124333  Castilleja attenuata C. F. Baker 1903-4-19 1993 Napa Calistoga Comment
  UC1301192  Castilleja attenuata Helen K. Sharsmith 1963-4-20 5335 Napa Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD17965  Castilleja attenuata Ellen Dean; Kate Mawdsley 2001-4-9 684 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  JEPS86222  Castilleja attenuata L. R. Heckard 1970-5-4 2448 Napa ca 10 mi n Vallejo (on n side of Kelly Rd, 0.5 mi n of CA Hwy 12, near junction of Hwy 12 and Hwy 29) Comment
  UC1334852  Castilleja densiflora subsp. densiflora L. D. Thurman 1964-4-15 396 Napa 5 mi n Napa (Silverado trail) Comment
  CHSC83409  Castilleja foliolosa L. P. Janeway; B. Castro 2002-5-12 7533 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD160799  Castilleja foliolosa Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8679 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UC1238981  Castilleja minor subsp. spiralis Freed W. Hoffman 1950-6-30 3707 Napa e of Indian Valley; North Coast Ranges, Complexion Canyon Comment
  UC885436  Castilleja minor subsp. spiralis Milo S. Baker 1938-8-22 9222 Napa Lower Lake to Knoxville Road (just s of Lake-Napa County line) Comment
  UCD161612  Catalpa Jake Ruygt 2001-9-22 4335 Napa NE corner of Highway 29 at Trancas St. 22 Comment
  JEPS110721  Ceanothus confusus Jake Ruygt 1977-3-27 163 Napa Mt. St. Helena 944 Comment
  CAS-BOT-BC48938  Ceanothus cuneatus E. Ruckert 1960-4-9 80 Napa 6495 Dry Creek Road, about 440 yards south of house 420 Comment
  LA42057  Ceanothus cuneatus Henry Reents; 1936-5-2 sn Napa Mt. St. Helena, E. slope of Mt. St. Helena Comment
  CDA35563  Ceanothus cuneatus T. C. Fuller 1962-3-27 7897 Napa North of Hwy. 128, 5 miles west of Monticello Dam. 0 Comment
  UCD123865  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-4-27 899 e Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 deg. (True) ENE of Rutherford. 270 Comment
  CAS-BOT-BC49114  Ceanothus cuneatus var. ramulosus Elizabeth Mrs. Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  UCR101771  Ceanothus dentatus L. C. Wheeler 1952-8-30 6874 Napa Manganese Ridge: Moore Creek, Howell Mtn Comment
  UC2026388  Ceanothus dentatus Louis C. Wheeler 1952-8-30 6874 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC49795  Ceanothus divergens Alice Eastwood 1923-5-9 11747 a Napa Mt. St. Helena Comment
  CAS-BOT-BC49797  Ceanothus divergens John Thomas Howell 1941-4-5 16161 Napa Franz Valley Comment
  CAS-BOT-BC49806  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi. south of Calistoga Comment
  POM136487  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  UCD73843  Ceanothus divergens Ellen Dean; S. Rae 2008-5-21 4978 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  RSA127599  Ceanothus foliosus Peter H. Raven 1955-4-9 8264 Napa W slope of Howell Mt. 457 Comment
  UC726044  Ceanothus foliosus A. A. Heller 1941-5-3 16085 Napa Mt. St. Helena, ca half way to summit Comment
  SACT002921  Ceanothus foliosus M. Wiesendanger 1928-4-5 Napa Collected on road Comment
  CAS-BOT-BC50924  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-3 1827 Napa Base of Mt. St. Helena Comment
  CAS-BOT-BC50925  Ceanothus foliosus var. foliosus H. E. McMinn 1923-5-25 962 A Napa Summit Wooden Valley Grade Comment
  UCD112146  Ceanothus foliosus var. foliosus J. M. Tucker 1951-3-28 2065 Napa Beside road up south side of Howell Mountain, 5.6 miles north of St. Helena. Comment
  UCR220106  Ceanothus foliosus var. foliosus Ayzik Solomeshch, Stephen Rae 2007-7-8 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  RSA10662  Ceanothus foliosus var. vineatus Carl B. Wolf 1928-5-3 s.n. Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  RSA168970  Ceanothus incanus Billy Smith 1962-5-24 27 Napa 2 miles NNW of St. Helena Lookout. 747 Comment
  SBBG50584  Ceanothus integerrimus C. Laning 1973-4-21 108 -54 Napa 7 mi N of Pope Valley Post Office on Butts Cyn Rd 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
  UCD169649  Ceanothus integerrimus Jake Ruygt 2012-5-19 5840 -B Napa Crystal Flats, west of Putah Creek. 121 Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  SBBG50580  Ceanothus jepsonii R. F. Denno 1967-4-15 50 Napa 1 mi N on Lower Chiles Valley Rd off St Hwy 128 228 Comment
  UC423435  Ceanothus jepsonii Katharine Brandegee 1916-7-27 Napa near Angwin Comment
  UCD149676  Ceanothus jepsonii Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  CAS-BOT-BC51129  Ceanothus jepsonii var. albiflorus Mrs. Cornelia S. Masters s.n. Napa mountains of Napa Co. 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
  JEPS79564  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  SEINET11191994  Ceanothus oliganthus var. oliganthus R. R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca. 8.7 miles W of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  CAS-BOT-BC51559  Ceanothus oliganthus var. sorediatus M. S. Jussel 1932-4-10 s.n. Napa St. helena, 10 miles N.E. Cliff Spring Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  JEPS110857  Ceanothus oliganthus var. sorediatus Jake Ruygt 1979-4-21 537 Napa Milliken Canyon 121 Comment
  LA44929  Ceanothus oliganthus var. sorediatus John Thomas Howell; 1931-4-3 6133 Napa Napa Range, Pope Creek Canyon, 8.5 mi. from Monticello Comment
  UCD37180  Ceanothus oliganthus var. sorediatus Beecher Crampton 1958-4-22 4740 Napa Napa County, Vaca Mountains, Markley Canyon, Highway 128. Comment
  CAS-BOT-BC53179  Ceanothus parryi M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC53215  Ceanothus parryi David D. Keck 1931-4-2 1012 Napa Foot Wooden Valley Grade, west base of Napa Range, 4.5 miles NE of Napa 90 Comment
  CDA11179  Ceanothus parryi G. F. Hrusa 1988-4-16 5539 Napa North Coast Biodiversity Arena; along Pope Creek, immed. E of bridge crossing below Chiles Valley Rd. Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  SBBG68834  Ceanothus parryi M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  UC1071246  Ceanothus parryi A. E. Wieslander 1934-2-24 366 Napa Spring Mountain Calistoga Quadrangle Comment
  UC1197999  Ceanothus parryi Joseph P. Tracy 1899-6-13 385 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC931951  Ceanothus parryi Verne and Alva Grant 1946-5-26 7633 Napa southeast slope of Mt. St. Helena 1066 Comment
  SEINET12210841  Ceanothus parryi W. Knight, Knight, I. 1982-1 4490 Napa From Tilden Botanic Garden, Berkeley Comment
  HSC18366  Ceanothus prostratus C. B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  JEPS42335  Ceanothus purpureus H. E. McMinn 1923-5-25 964 a Napa Summit Wooden Valley Grade Comment
  LA44990  Ceanothus purpureus Henry Reents; 1936-5-1 sn Napa Along Monticello Rd., 5 mi. out of Napa Comment
  RSA19031  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  SEINET10778154  Ceanothus purpureus Dylan O. Burge 2007-5-4 Burge DOB 904 d Napa Wooded Grade, north-east of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles (5.3 km) east of Atlas Peak Road or 2.3 road miles (3.7 km) west of Wooded Valley Road, at mile marker 13.88, 9.28 km 46 deg. (True) ENE of Napa. 360 Comment
  UC870642  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  SEINET13946225 Image available Ceanothus purpureus Peter H. Raven 1950-1 1768 Napa Wooden valley Grade above napa. Alt. ca 1500 ft 457 Comment
  JEPS110661  Ceanothus sonomensis Jake Ruygt 1984-3-31 1523 Napa Devil's Canyon, Bismark Knob 624 Comment
  JEPS110663  Ceanothus sonomensis Jake Ruygt 1982-3-20 1134 Napa Mt. St. John 530 Comment
  SEINET265705  Ceanothus tomentosus Royal D. Suttkus 1967-6-26 67- 30 -12 Napa Clearly Reserves 7.2 miles northwest of Pope Valley. Comment
  UC1220983  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort Wragg Canyon; Vaca Mtns., Lake Berryessa Comment
  JEPS7801  Centaurea cyanus Peter H. Raven 1951-6-26 3051 Napa Wooden Valley Grade 121 Comment
  UCD170454  Centaurium tenuiflorum Daniel Potter; Ninh Khuu 2016-6-8 883 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  RSA523908  Centaurium trichanthum Gordon H. True Jr. 1937-7-30 827 Napa Near Aetna Springs. 366 Comment
  RSA181383  Centaurium trichanthum James I. McMurphy 1909-8-7 s.n. Napa Warm springs, Calistoga. Comment
  CAS-BOT-BC288605  Centromadia fitchii John Thomas Howell 1930-10-19 5611 Napa 1 mile E of Aetna Springs, Pope Valley Comment
  JEPS38180  Centromadia fitchii Willis L. Jepson 1893-9-25 Napa Suscol Hills Comment
  UC1034623  Centromadia fitchii Milo S. Baker 1932-5-8 5903 Napa near School House; Mill Creek Canyon Comment
  CAS-BOT-BC272824  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town Comment
  JEPS38176  Centromadia parryi subsp. parryi Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  LA204242  Centromadia parryi subsp. parryi David D. Keck; 1933-11-10 2715 Napa Calistoga, 2 mi N of center of town at the geysers Comment
  SBBG36844  Centromadia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N of center of town at the geysers Comment
  UC1223089  Centromadia parryi subsp. parryi Joseph P. Tracy 1950-8-11 19301 Napa Calistoga Hot Springs Comment
  UC406892  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  UC894336  Centromadia parryi subsp. parryi Alice Eastwood 1918-9-3 7960 Napa Calistoga Comment
  CAS-BOT-BC279255  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa 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-BC179384  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 miles SE of Monticello, Putah Creek Canyon. Comment
  SBBG29889  Cercis occidentalis E. Crum 1937-8-8 1956 Napa Putah Crk Cyn, 7 mi SE of Monticello Comment
  UCD113050  Cercocarpus betuloides J. M. Tucker 1951-3-28 2066 Napa Beside road up south side of Howell Mountain, 5.6 miles north of St. Helena. Comment
  CAS-BOT-BC135482  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13063 Napa Wooden Valley Grade Comment
  CAS-BOT-BC135487  Cercocarpus betuloides var. betuloides Peter H. Raven 1950-6-20 2359 Napa Napa Range between Conn Valley and Howell Mtn. Comment
  UC12149  Cercocarpus betuloides var. betuloides W. L. Jepson 1896-2-22 Napa near Eden (e of Angwin, Howell Mountain); Howell Mountain 914 Comment
  UC2029551  Cercocarpus betuloides var. betuloides Richard R. Halse 2013-3-27 8754 Napa Along State Highway 128, ca. 5.3 miles eastt of its junction with State Highway 121 at Moskowite Corners Comment
  UC859435  Cercocarpus betuloides var. betuloides Alice Eastwood, John Thomas Howell 1937-4-4 3831 Napa Grade e of Napa (Wooden Valley); Wooden Valley Comment
  UC410440  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 Napa canyon between Monticello and Pope Valley Comment
  UCD32574  Chaenactis glabriuscula var. heterocarpha Beecher Crampton 1954-5-20 1928 Napa 8 miles southwest of Monticello, along highway 128. Comment
  RSA92928  Chamaesyce serpillifolia P. H. Raven 1951-6-24 3011 Napa Napa to Brown's Valley. 61 Comment
  UC869111  Chamaesyce serpyllifolia Milo S. Baker 1938-8-22 9224 Napa Lower Lake-Knoxville Road just S of Lake-Napa Co. line Comment
  UCD149718  Chenopodium Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  CDA34674  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 miles (air) northwest of Winters. Comment
  CHSC102272  Chenopodium album Lowell Ahart 2009-10-12 16435 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SEINET5764001 Image available Chenopodium berlandieri H. S. Reed 1948-1 2012 Napa Berryessa Valley, Putah Creek Comment
  UCD170157  Chenopodium californicum Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 781 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  CDA3116  Chenopodium multifidum H. Stabo 1960-6-27 4584 Napa Usibelli Ranch, Rutherford. 0 Comment
  RSA755365  Chenopodium pumilio L. Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  JEPS126071  Chimaphila menziesii Jake Ruygt 1987-7-11 2068 Napa Between Rattlesnake Springs and Livermore Road. Detert Reservoir 7.5' Quad. Comment
  UCD169873  Chorizanthe membranacea Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 808 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 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
  CDA1213  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  CDA1308  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2256 -A Napa 1.7 mi. west of Oakville; Oakville Grade Rd. cut west of Summit. Comment
  CAS-BOT-BC286572  Cirsium occidentale var. venustum Peter H. Raven 1951-5-20 2846 Napa W. Oakville 365 Comment
  JEPS59314  Cirsium occidentale var. venustum W. L. Jepson 1936-5-29 17546 Napa Adam-and-Eve Ridge Howell Mt., Adam-and-Eve Ridge Comment
  UCD167268  Clarkia affinis Jake Ruygt 1998-6-24 4051 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  CAS-BOT-BC160919  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1939-6-11 7421 Napa Hood Mt. Range sw. of Oakville Comment
  UCD167270  Clarkia amoena subsp. huntiana Jake Ruygt 1997-5-18 3858 Napa Redwood Road near Mt. Veeder. 140 Comment
  UCD18488  Clarkia concinna P. J. Plummer 1995-5-29 s.n. Napa Hwy 128 and Berryessa Knoxville Rd. 170 Comment
  UCD37324  Clarkia concinna Beecher Crampton 1959-5-26 5265 Napa North end of Capell Valley, Capell Creek. Comment
  CAS-BOT-BC172176  Clarkia concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River at the Mill House, 6.4 mi. S.W. of Middletown Comment
  SBBG4945  Clarkia concinna H. and M. Dearing 1939-4-30 3237 Napa above St Helena Comment
  UCD104422  Clarkia concinna M. Ensign 1943-5-28 312 Napa 12 miles N of Monticello on road to Lower Lake. Comment
  POM271463  Clarkia concinna subsp. concinna Lyman Benson 1935-5-19 6662 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  CHSC83403  Clarkia gracilis subsp. gracilis L. P. Janeway; B. Castro 2002-5-12 7537 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 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
  JEPS85844  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  UCD167104  Clarkia gracilis subsp. tracyi Jake Ruygt 2015-6-13 6125 Napa Sage Canyon Road about 0.5 mi east of Sillverado Trail. 103 Comment
  POM271807A  Clarkia purpurea subsp. purpurea Lyman Benson 1935-5-19 6657 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  CAS-BOT-BC163826  Clarkia purpurea subsp. quadrivulnera Rimo Bacigalupi 1928-6-20 1857 Napa Howell Mt. 10 miles west of St. Helena Comment
  CAS-BOT-BC163828  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  UC142974  Clarkia purpurea subsp. quadrivulnera Katharine Brandegee July 1910 Napa near Angwin Comment
  CAS-BOT-BC163687  Clarkia purpurea subsp. quadrivulnera Betty H. Johnson 1958-6-15 634 Napa 1/2 mi. above Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  JEPS43571  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1893-6-24 14339 Napa grade to Napa Soda Springs; Napa Range Comment
  JEPS43716  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1894-7-19 Napa near Schoolhouse; Mt. St. Helena Comment
  UCD167274  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2007-5-19 5189 Napa Las Posadas State Forest, at Recreation Flat. 408 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
  UCD21538  Claytonia exigua B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 1 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, just W of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  JEPS112617  Claytonia exigua subsp. exigua Jake Ruygt 1998-4-22 3932 Napa Tributary to Cement Creek. 228 Comment
  JEPS43259  Claytonia exigua subsp. exigua W. L. Jepson 1900-3-10 514 Napa Howell Mt. Comment
  CAS-BOT-BC439133  Claytonia exigua subsp. exigua H. L. Mason 1926-3-14 2716 Napa Mount St. Helena Comment
  CAS-BOT-BC439370  Claytonia gypsophiloides Marjorie Swabey 1924-2-22 s.n. Napa Toll house road, Mt St Helena on Calistoga side Comment
  UCD100506  Claytonia gypsophiloides J. M. Tucker 1953-3-26 2637 Napa slope overlooking Highway 29, Mount Saint Helena, 5.2 miles (by road) north of 'city limit' sign on north side of Calistoga. Comment
  CHSC59800  Claytonia perfoliata Carla de Leon 1975-5-4 20 Napa On mountainside facing Monticello Dam; just west of the county line on State Highway 128. 388 Comment
  UCD13129  Claytonia perfoliata Etienne Oleksiewicz 1981-4-18 6 Napa on Knoxville Rd., 8.9 miles north of Pope Canyon Rd., north facing slope. Comment
  UCD49116  Clematis lasiantha E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 400 as the crow flies feet NNW of the jct of West Rd. and South Decker Canyon Rd. 167 Comment
  JEPS112523  Collinsia greenei Jake Ruygt 1983-6-12 1493 Napa Mt. St. Helena, Red Hill 624 Comment
  RSA42341  Collinsia greenei Lincoln Constance, J. F. Davidson, R. H. Shan, W. H. Wagner 1946-5-18 3046 Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  HSC44029  Collinsia heterophylla Robert M. Specht 1977-5-14 887 Napa Near Jct. of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  RSA187487  Collinsia heterophylla John H. Thomas 1955-5-21 5169 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  UCR106840  Collinsia sparsiflora Craig Homan 1977-4-8 6 Napa 32 miles west of Winters along Berryessa Knoxville Road 152 Comment
  CDA11336  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena; Franz Valley School Rd. approx 1 m E of Napa/Sonoma County line. Comment
  JEPS6339  Collinsia sparsiflora var. arvensis Mrs. Mary Van E. Ferguson 1919-4-13 208 Napa near Atlas Comment
  JEPS77939  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3.4 mi out of Rutherford (Rutherford-Pope Valley Road); Rutherford-Pope Valley Road Comment
  JEPS29591  Collinsia sparsiflora var. arvensis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8448 Napa near site of Atlas Peak School (along Atlas Peak rd, at bottom of Foss Valley); Milliken Creek drainage 438 Comment
  UCR17490  Collinsia sparsiflora var. collina E. Turula 1975-3-29 71 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  JEPS85056  Collinsia sparsiflora var. sparsiflora Larry Heckard, Mary Ashton 1969-5-3 2200 Napa 7 mi ne of Napa (Mead Ranch off the Atlas Peak Road); Mead Ranch 457 Comment
  UCD123669  Collinsia sparsiflora var. sparsiflora M. N. Artist 1965-3-15 17 Napa dirt road just north side of State Highway 128, just east of Markley Cove at Lake Berryessa. Comment
  JEPS128915  Collinsia tinctoria Jake Ruygt 1998-5-20 3979 Napa Chiles Canyon about 1/2 mile N of white bridge. Chiles Valley 7.5' Quad. Comment
  JEPS7313  Collinsia tinctoria Willis L. Jepson 1893-6-26 21328 Napa Angwin's Meadows; Napa River Basin; Howell Mtn. Comment
  SEINET2444681  Collomia diversifolia Leigh A. Johnson 1996-5-26 96 -013 Napa Along Butts Canyon Road, between road and creek. ca. 25 meters NW of pullover area 1.4 miles NW of jct with Snell Valley Road (9.7 miles SR of jct with HWY 29). 375 Comment
  UCD167221  Collomia heterophylla Jake Ruygt 1998-5-16 3966 c Napa Maggie's Peak area. 579 Comment
  UC1357607  Cordylanthus pringlei R. F. Hoover 1966-8-23 9922 Napa 0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena Comment
  UC1744860  Coreopsis tinctoria John L. Strother 2000-7-2 1364 Napa 1.5 mi SSW of Napa (along eastern shoulder of Route 29, ca. 300 m s of Route 12 West) 20 Comment
  UCR146186  Cornus glabrata Beecher Crampton 1954-5-20 1920 Napa Coast Range, 3 miles east of Rutherford, along highway 128, Sage Canyon, Conn Creek 91 Comment
  SEINET3089139 Image available Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC180346  Corylus cornuta subsp. californica Peter H. Raven 1952-5-26 4047 Napa Howelll Mt. 426 Comment
  UC166028  Crassula aquatica Joseph P. Tracy May 15 1903-May 18 1903 1854 1/2 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC427748  Crassula connata Peter H. Raven 1953-4-2 5242 Napa Hills e. of Imola 121 Comment
  UCD118566  Crassula tillaea Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  UCD164829  Crepis pulchra Jake Ruygt 2012-6-16 5866 Napa Alston Park near north parking lot. 33 Comment
  UCD73849  Crocanthemum scoparium Ellen Dean; S. Rae 2008-5-21 4984 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 274 Comment
  JEPS115739  Crypsis schoenoides Lowell Ahart 2009-10-12 16462 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  RSA758274  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  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
  RSA0020855  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  SEINET4206989  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd.; 0 610 Comment
  JEPS106755  Cryptantha flaccida Jake Ruygt 1998-5-2 3947 Napa Chiles Canyon near white stone bridge. 146 Comment
  JEPS67599  Cryptantha flaccida W. L. Jepson 1904-6-3 2443 Napa Howell Mt. Napa Range 792 Comment
  UCD47942  Cryptantha flaccida M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 4 Napa McLaughlin UC Reserve. SW of old town of Knoxville 150 m N of Knoxville-Berryessa Rd. 426 Comment
  UCD119788  Cryptantha flaccida K. Esau 1934-5-8 s.n. Napa Putah Canyon. Comment
  JEPS129033  Cryptantha hispidula Jake Ruygt 2016-5-14 6256 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  SBBG29139  Cryptantha hispidula M. S. Baker 1934-4-19 7816 Napa Pope crk rd near Pope valley 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
  UCD160650  Cryptantha hispidula Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8736 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 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
  UCD161363  Cryptantha intermedia Jake Ruygt 1988-5-29 2202 Napa Napa County : South end of Adams Ridge, east of Mysterious Valley. (Coordinates estimated by label maker at UC Davis). 518 Comment
  UC963904  Cryptantha intermedia Milo S. Baker 1947-7-7 11848 Napa s of Mt. St. Helena Inn (at end of wood rd leading toward the Crater) 914 Comment
  UCD47944  Cryptantha muricata M. Carson; A. Haselby, S. Howard, P. Meyers 2000-4-29 4 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD74370  Cryptantha muricata Jake Ruygt 2005-6-25 4933 Napa Peak below and SW of Berryessa Peak. 762 Comment
  CAS-BOT-BC80718  Cupressus macnabiana J. Clausen 1935-5-22 1062 Napa 15.9 mi. SE of Lower Lake on the Monticello road beyond the Napa Co. line Comment
  CAS-BOT-BC80721  Cupressus macnabiana David D. Keck 1931-4-3 1101 Napa Two miles NE of Aetna Springs, northern Napa county Comment
  JEPS39738  Cupressus macnabiana W. L. Jepson 1943-5-15 20784 Napa Knoxville Ridge Comment
  JEPS39757  Cupressus macnabiana W. L. Jepson 1920-5-25 9039 Napa Knoxville Ridge Comment
  RSA352387  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 457 Comment
  RSA352388  Cupressus sargentii P. H. Raven 1965-5-16 20209 Napa Cedar Valley, vicinity of Knoxville 610 Comment
  RSA6530  Cupressus sargentii Elmer I. Applegate 1931-3-25 6621 Napa Near Mountain House, east base of Mt. St. Helena, northern Napa County Comment
  SDSU1745  Cupressus sargentii D. F. Howe 1965-8-3 4105 Napa Just south of napa-Lake Co. line on state #29. 46 Comment
  UC578055  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calisoga-Middletown 3 mi e St. Helena; Calistoga Quadrangle Comment
  UCD133631  Cupressus sargentii D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCD167649  Cupressus sargentii Andrew Fulks 2015-3-21 s.n. Napa Cedar Roughs Wilderness Area, west of Lake Berryessa. 552 Comment
  NY16839  Cupressus sargentii C. B. Wolf 1934-10-16 6193 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET11739562  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -322 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD160705  Cuscuta Ellen Dean; Jake Ruygt 2015-5-23 8764 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-BC224539  Cuscuta californica Peter H. Raven 1952-6-28 4205 Napa Conn Valley 152 Comment
  UCD169892  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  UCD170144  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  SEINET5731319 Image available Cynoglossum grande R. F. Denno 1967-1 49 Napa Lower Chiles Valley Road, 1 mile NW of State Hwy 128. 229 Comment
  CAS-BOT-BC190360  Cynosurus echinatus Peter H. Raven 1952-5-26 4068 Napa Steel Canyon. 304 Comment
  UCR30535  Cynosurus echinatus John C. Roos 1972-5-18 s.n. Napa Angwin 366 Comment
  SEINET3926424  Cynosurus echinatus Kathleen Barnes 1973-6-4 54 Napa Near house, McDonald Ranch, ca. 2 air-miles east of Angwin, Pope Valley.; 0 Comment
  JEPS64100  Cyperus eragrostis W. L. Jepson 1934-10-19 16901 Napa Napa R., St. Helena Comment
  UC579871  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  UCD141114  Cyperus eragrostis W. R. Russell 1952-8-8 s.n. Napa Y' north of Vallejo. Comment
  JEPS115767  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 -A 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
  JEPS115760  Cypselea humifusa Lowell Ahart 2009-10-27 16475 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  HSC980  Cystopteris fragilis C. B. Wolf 1928-5-3 1842 Napa At the summit of the Mt. St. Helena Grade Comment
  JEPS110931  Damasonium californicum Jake Ruygt 1982-6-13 1321 Napa Pope Canyon Rd. , (vernal pond) 185 Comment
  UCD60520  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Pope Valley (the town). Comment
  RSA431669  Datisca glomerata E. S. Spalding 1924-7-4 s.n. Napa Near St. Helena; canyon beyond White Sulphur Springs. Comment
  JEPS7760  Datura stramonium Peter H. Raven 1951-10-28 3951 Napa c 8 mi se Knoxville (Eticuera Creek); Eticuera Creek 304 Comment
  JEPS104558  Daucus carota Jake Ruygt 1979-6-18 706 Napa .5 mile north of Maple Lane on HWY 29 106 Comment
  JEPS129031  Daucus pusillus Jake Ruygt 2016-5-21 6259 Napa Wantrup Wildlife Preserver, Hardin Road. Santa Helena 7.5' Quad. Comment
  CAS-BOT-BC287369  Deinandra corymbosa Peter H. Raven 1951-6-24 3031 Napa Valley floor W of Napa 60 Comment
  UCD161519  Deinandra corymbosa Jake Ruygt 1990-5-11 2536 Napa Green Island Road at first bend in road. 8 Comment
  JEPS81603  Delphinium R. Raiche 1982-3-7 20188 Napa on Chiles and Pope Valley Rd. 1.3 mi n Sage Canyon Road Comment
  CAS-BOT-BC10198  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mtn., 10 miles west of St. Helena Comment
  UCD160787  Delphinium hesperium Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8667 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
  CAS-BOT-BC10200  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S of road to St. Helena Comment
  UC467768  Delphinium hesperium subsp. hesperium H. P. Chandler 1907-5-26 7590 Napa White Sulphur Spring St. Helena 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
  POM215117  Delphinium hesperium subsp. pallescens D. D. Keck 1933-5-29 2366 Napa Just south of Pope Creek Bridge, south of Walter Springs Comment
  RSA149644  Delphinium hesperium subsp. pallescens Harlan Lewis 1941-5-9 s.n. Napa 13.4 miles N of Monticello, Napa County. Comment
  CHSC40063  Delphinium nudicaule L. Constance 1938-3-27 2041 Napa Above Wooden Valley 8 mi. NE. of Napa, E. slope of Howell Mountains, North Coast Ranges. 457 Comment
  HSC58984  Delphinium nudicaule George E. Johnston 1974-4-4 1026 Napa Near Bell Canyon 427 Comment
  UC608257  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  UCD95880  Delphinium nudicaule Heidi E. M. Dobson 1978-4-8 296 Napa East slope of Mt. Veeder. Comment
  UC796705  Delphinium nudicaule Ira L. Wiggins 1949-4-30 12079 Napa rocky ridge about 2.5 mi from Calistoga (along old toll road between Calistoga and Middletown) 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
  CAS-BOT-BC116493  Delphinium patens subsp. patens C. B. Wolf 1928-5-3 1834 Napa base of Mt. St. Helena Comment
  UCD164768  Delphinium patens subsp. patens Jake Ruygt 2014-5-22 5925 -b Napa Sutro Ranch, Atlas Peak. 748 Comment
  JEPS23343  Delphinium uliginosum J. P. Tracy 1899-6-13 354 Napa Howell Mt. Comment
  JEPS60631  Delphinium uliginosum Joseph P. Tracy 1933-6-2 12488 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  JEPS96757  Delphinium uliginosum Dean W. Taylor 1998-5-20 16446 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  LA207609  Delphinium uliginosum J. Ewan; 1937-5-23 10360 Napa Lower Lake to Monticello road, 1.9 mi. S of Lake Co. line Comment
  POM150572  Delphinium uliginosum C. F. Baker 1903-5-8 s.n. Napa Knoxville. Comment
  UC1328141  Delphinium uliginosum Donald V. Hemphill 1941-5-15 167 Napa 2 mi se Angwin (seepage slopes); Blakes Canyon 426 Comment
  UCD141587  Delphinium uliginosum Ellen Dean 2013-4-27 7708 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  UCD169783  Delphinium uliginosum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 791 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 451 Comment
  CAS-BOT-BC7913  Delphinium variegatum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  UCD147535  Delphinium variegatum Ellen Dean; Diana Hickson 2014-4-29 8089 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  RSA149657  Delphinium variegatum Harlan Lewis, G. Mehlquist 1941-5-8 s.n. Napa Monticello to Napa road 5.1 miles S of the road to St. Helena Comment
  JEPS110871  Delphinium variegatum subsp. variegatum Jake Ruygt 1982-4-18 1188 Napa Calistoga Grade on Mt. St. Helena 350 Comment
  JEPS110993  Delphinium variegatum subsp. variegatum Jake Ruygt 1998-4-22 3935 Napa Gibson Flat 286 Comment
  JEPS23362  Delphinium variegatum subsp. variegatum Willis L. Jepson 1893-4-22 Napa hills near Veterans Home (= Yountville); Napa River Basin Comment
  RSA602573  Dendromecon rigida Louis C. Wheeler 1952-8-30 6880 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC658  Dendromecon rigida subsp. rigida L. R. Abrams 1928-5-4 12274 Napa Mt. St. Helena trail. Comment
  CDA12113  Deschampsia cespitosa G. F. Hrusa 1989-5-2 7186 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  UCD61153  Deschampsia cespitosa Beecher Crampton 1957-5-8 4000 Napa Above Capell Creek, north end of Capell Valley. Comment
  UC1103221  Deschampsia danthonioides J. P. Tracy 1902-5-19 1554 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 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
  UC65168  Deschampsia danthonioides W. L. Jepson 1896-6-2 Napa near St. Helena St. Helena; Napa Valley Comment
  SEINET10897195  Deschampsia danthonioides Unknown 1854-1 Anonymous s.n. Napa Comment
  UCD63297  Deschampsia elongata Beecher Crampton 1956-5-25 3469 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD148795  Dichelostemma capitatum Ellen Dean; Diana Hickson 2014-4-29 8103 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS64160  Dichelostemma capitatum W. L. Jepson 1893-3-13 20967 Napa e of St. Helena Comment
  UCD117811  Dichelostemma capitatum subsp. capitatum Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 Comment
  UCD148736  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1977-3-14 154 Napa Napa County; 2.2 miles north of Silverado Trail on Soda Canyon Road. 115 Comment
  JEPS110680  Digitalis purpurea Jake Ruygt 1984-6-23 1568 Napa St. Helena Creek near Livermore Rd. 463 Comment
  CAS-BOT-BC150360  Diplacus aurantiacus Richard R. Halse 1989-5-13 3833 Napa Along State Hwy. 29, on the Calistoga Grade, 2.7 miles north of Calistoga 240 Comment
  CAS-BOT-BC150365  Diplacus aurantiacus Gilbert Muth 1967-5-17 668 Napa Oat Hill Road, Calistoga 243 Comment
  SEINET200262  Diplacus bolanderi Francia Chisaki 1957-1 970 Napa By Soda Cr, between Chiles Valley & Monticello Comment
  CAS-BOT-BC153281  Diplacus kelloggii David D. Keck 1931-4-4 1089 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  CDA6691  Dipsacus fullonum Margaret Bellue 1933-5-8 Napa 0 Comment
  JEPS9503  Dodecatheon hendersonii Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UC105761  Dodecatheon hendersonii Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UC22378  Dodecatheon hendersonii W. L. Jepson 1896-2-22 Napa Howell Mt. Comment
  UCD118964  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa Along trail running along southwest side of Lake Berryessa, 100m from Knoxville Rd. 250 Comment
  UCD17963  Dodecatheon hendersonii Ellen Dean; Kate Mawdsley 2001-4-9 680 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 213 Comment
  POM78451  Dodecatheon hendersonii C. F. Baker 1903-4-20 2616 Napa Mt. St. Helena. Comment
  RSA461376  Dodecatheon hendersonii H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA638888  Dodecatheon hendersonii Marcia R. Davis 1977-4-16 16 Napa along Highway 128, 6.4 mi. southwest of Monticello Dam, on the left side of the road while travelling southwest. 213 Comment
  UC22380  Dodecatheon hendersonii Willis L. Jepson 1893-4-25 Napa w St. Helena (trail to Caux's Cabin, Napa River Basin); Hoods Peak Range, Napa River Basin, w of St. Helena Comment
  UCD15068  Dodecatheon hendersonii Alan B. Chan 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 152 Comment
  JEPS106561  Downingia bicornuta var. bicornuta Jake Ruygt 1993-5-1 3244 Napa Pope Canyon Rd at large vernal pond 187 Comment
  JEPS106563  Downingia concolor var. concolor Jake Ruygt 1982-5-12 1240 Napa east of Rocktram, west of HWY 221, Suscol Plain 3 Comment
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  UC1189260  Downingia concolor var. concolor Joseph T. Gregory 1933-6-2 224 Napa Howell Mt. top Howell Mt. Comment
  JEPS106570  Downingia pusilla Jake Ruygt 1986-4-14 1701 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  CAS-BOT-BC41386  Draba verna John Thomas Howell 1926-3-21 1727 Napa Saint Helena Creek Near Patten's. 609 Comment
  UC673417  Draba verna Herbert L. Mason 1926-3-14 2739 Napa Mt. St. Helena Comment
  CAS-BOT-BC70948  Dryopteris arguta Carl B. Wolf 1928-5-3 1841 Napa base of Mt. St. Helena Comment
  CHSC31985  Dryopteris arguta L. Ahart 1976-3-7 1020 Napa Above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  JEPS103988  Dryopteris arguta Jake Ruygt 1978-3-12 238 Napa .9 mile east of Silverado Trail on Deer Park Road 152 Comment
  HSC1036  Dryopteris arguta C. B. Wolf 1928-5-3 1841 Napa At the summit of the Mt. St. Helena Grade Comment
  UC1127116  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Qaudrangle 609 Comment
  UCD48874  Dudleya cymosa K. Mogel; B. Pekin and M. Higley 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 50 ft. S of the power lines. 274 Comment
  UC830917  Dudleya cymosa Milo S. Baker 1932-5-7 5994 Napa 7-8 mi Monticello (Pope Creek) Comment
  JEPS122984  Echinochloa crus-galli Jake Ruygt 1986-6-21 1839 Napa Napa Sanitation treatment ponds. Quad: Cuttings Wharf. Comment
  HSC90855  Echinodorus berteroi Barbara Ertter, Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey, 15 mi. NNW of Napa, on Conn Creek in N Coast Ranges, E of boat-launching ramp on SE edge 91 Comment
  UC1562883  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CAS-BOT-BC445573  Echinodorus berteroi James L. Reveal 1987-6-7 6409 Napa Along California Highway 128 at the upper end of Lake Hennessey on meadowy flats just west of the turnoff to the Chiles and Pope Valley road, about 6.5 airline miles east-southeast of St. Helena Comment
  JEPS126136  Elatine brachysperma Jake Ruygt 2004-5-29 4610 Napa Bear Valley at the pond. Detert Reservoir 7.5' Qua. Comment
  UCD161572  Eleocharis acicularis var. acicularis Jake Ruygt 2006-5-7 5013 Napa Las Posadas State Forest. 521 Comment
  UCD161336  Eleocharis parishii Jake Ruygt 1982-7-18 1369 Napa Cedar Roughs near Guilliame springs. (Coordinates estimated by label maker at UC Davis. Original label read 'section 19') 335 Comment
  JEPS121344  Eleocharis radicans Jake Ruygt 1992-7-4 3066 Napa Wild Horse Valley Ranch, Johnson's Meadow. Comment
  UCD118395  Elymus elymoides subsp. elymoides Rachael Olliff; 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. 407 Comment
  UCR267864  Elymus glaucus Stephen P. Rae, Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, c. 1 km west of Angwin. McCrane property 526 Comment
  CAS-BOT-BC203593  Elymus glaucus subsp. glaucus Carl B. Wolf 1928-5-3 1794 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS75635  Elymus glaucus subsp. jepsonii W. L. Jepson 1936-5-28 17542 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC769878  Elymus multisetus Robert F. Hoover 1941-6-8 5322 Napa Mt. St. Helena; e side Comment
  UCD170450  Elymus ponticus Daniel Potter; Ninh Khuu 2016-6-8 879 Napa Knoxville Wildlife Area, flat grassy area just east of Berryessa-Knoxville Road, just south of barn. 235 Comment
  UCD62649  Elymus trachycaulus Beecher Crampton 1962-5-16 6423 Napa 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  UCD62718  Elymus trachycaulus Beecher Crampton 1954-10-26 2301 Napa Conn Reservoir, 4 miles east of Rutherford. Comment
  HSC43935  Emmenanthe penduliflora Robert M. Specht 1977-4-26 789 Napa N from Adams Creek on N side 470 Comment
  UC1177088  Epilobium brachycarpum Peter H. Raven 1952-9-14 5167 Napa Yountville 106 Comment
  JEPS110700  Epilobium campestre Jake Ruygt 1996-6-23 3753 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  UC1198502  Epilobium campestre Joseph P. Tracy 1938-6-6 15841 Napa between Napa City and Yountville; Napa valley 30 Comment
  UC1299425  Epilobium canum subsp. canum Freed W. Hoffman 1946-8-20 850 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  CAS-BOT-BC171952  Epilobium canum subsp. latifolium T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  UCD105468  Epilobium canum subsp. latifolium D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCD20762  Epilobium ciliatum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 112 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UCR261611  Epilobium minutum Ann Howald 2003-4-23 2304 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  UCSC009034  Epilobium minutum Dylan M. Neubauer 2015-4-26 136 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS103962  Equisetum laevigatum Jake Ruygt 1988-4-18 2158 Napa Newell Canyon 60 Comment
  JEPS116560  Equisetum laevigatum Jake Ruygt 1996-4-22 3621 Napa Sheehy Creek at Executive Court. Cuttings Wharf 7.5' Quad. Comment
  JEPS115742  Eremocarpus 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 Winte 133 Comment
  JEPS122688  Erigeron foliosus var. foliosus Jake Ruygt 1981-7-23 1082 Napa West of Berryessa Peak. Quad: Brooks. Comment
  UC604619  Erigeron greenei Joseph P. Tracy 1938-8-7 16089 Napa Soda Creek Canyon Napa Valley, Soda Creek Canyon 91 Comment
  UCD63175  Erigeron petrophilus var. petrophilus Jake Ruygt 1981-7-23 1083 Napa Berryessa Peak. 914 Comment
  JEPS106948  Erigeron philadelphicus var. philadelphicus Jake Ruygt 1979-5-24 636 Napa 2.5 miles east of Chiles-Pope Valley Rd. on HWY 128 219 Comment
  RSA201835  Eriodictyon californicum Stephen Willeford 1964-5-1 4 Napa East side of State Highway 128, 3 miles southwest of Monticello Dam. 183 Comment
  UCD119296  Eriodictyon californicum Andreas Stohr 1996-4-21 2 Napa Along Road 128. 180 Comment
  UCD49081  Eriodictyon californicum A. Collier; D. Caterson and S. Kenady 2002-5-4 7 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 1/2 meter. 342 Comment
  UCD49083  Eriodictyon californicum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  UCD49085  Eriodictyon californicum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 6 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., up a slope on the NE side of the road. 237 Comment
  CAS-BOT-BC242605  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  JEPS120423  Eriogonum dasyanthemum Jake Ruygt 2010-8-24 5762 Napa Barton Hill, northwest shore of Lake Berryessa. Comment
  CAS-BOT-BC242609  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts. Comment
  CAS-BOT-BC242613  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa 4 mi. s. of Knoxville on road 365 Comment
  UC1925867  Eriogonum gracile Ethel Crum Oct 1930 911 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  CAS-BOT-BC266066  Eriogonum luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266068  Eriogonum luteolum James L. Reveal 1987-6-7 6411 Napa Along Oakville Grade, 1.5 miles southwest of Oakville, about 6 airline miles south of St. Helena 243 Comment
  JEPS110762  Eriogonum luteolum var. luteolum Jake Ruygt 1979-5-24 634 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  UCD167100  Eriogonum luteolum var. luteolum Jake Ruygt 2015-6-20 6138 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD18119  Eriogonum luteolum var. luteolum K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 56 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  UCD73451  Eriogonum luteolum var. luteolum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS56901  Eriogonum luteolum var. luteolum W. L. Jepson 1938-9-22 19016 Napa near Sanitarium (lower w slopes, Howell Mountain); Howell Mountain Comment
  LA206906  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts Comment
  LA206913  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 81 Napa Sage Canyon, Napa Mountains; edge of river bed Comment
  UC419722  Eriogonum luteolum var. luteolum Mrs. H. P. Bracelin 1930-10-19 109 Napa near entrance to (Conn Creek) Sage Canyon Comment
  UCD164786  Eriogonum luteolum var. luteolum Jake Ruygt 2010-6-21 5649 Napa east of White point. 652 Comment
  UCD164823  Eriogonum luteolum var. luteolum Jake Ruygt 2012-9-15 5876 Napa South of Spanish Valley. 347 Comment
  LA206919  Eriogonum nudum var. auriculatum Susan G. Stokes; 1983-8-27 87 Napa Sage Valley, Napa Mountains, Roadside talus Comment
  CAS-BOT-BC124286  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  JEPS120353  Eriogonum tripodum Jake Ruygt 1987-6-26 2056 Napa North of Devilshead Road near Hunting Creek. Knoxville 7.5' Quad. Comment
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  JEPS120314  Eriogonum umbellatum var. smallianum Jake Ruygt 1998-7-11 4083 Napa Blue Ridge, about 1.5 miles north of Mays Flat. Knoxville 7.5' Quad. Comment
  UC1925868  Eriogonum vimineum Ethel Crum October 1930 910 Napa Conn Creek to Pope Valley Comment
  JEPS106951  Eriophyllum confertiflorum Jake Ruygt 1991-6-1 2711 Napa Mt. St. John, fire trail 502 Comment
  SEINET7072771  Eriophyllum confertiflorum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  SEINET9291828  Eriophyllum lanatum Unknown 1984-4-28 7 Napa State. Rd 29, about 5 miles NM of Calistoga. Along roadside. Foothill woodland, Quercus sp. and Umbellelaria californica dominants. Perennial herb. 1-8 dm tall. flowers yellow. Rocky, greavelly soil of baaltic parent material UC Davis Herbarium Comment
  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
  POM315944  Eriophyllum lanatum var. achilleoides Patricia Wilder 1965-6-9 3602 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  HSC42203  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mi. NE of Calistoga along Hwy. 29 Comment
  JEPS34498  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-5-24 18854 a Napa Howel Mts. Napa Range, Howell Mts. Comment
  RSA92826  Eriophyllum lanatum var. achilleoides Peter H. Raven 1952-5-31 4136 Napa Summit of hills SW of Rector Canyon 305 Comment
  JEPS61372  Erodium botrys W. L. Jepson 1915-4-23 6268 Napa near St. Helena; Napa Valley Comment
  UCD117766  Erodium botrys Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. 386 Comment
  UCD49060  Erodium cicutarium S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  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
  JEPS14084  Eryngium aristulatum var. aristulatum W. L. Jepson 1938-6-8 18899 Napa Snell Valley, Playa Comment
  UC626482  Eryngium aristulatum var. aristulatum Wilhelm N. Suksdorf 1913-7-24 647 Napa in the neighborhood s.e. Napa Comment
  UC21008  Eryngium articulatum Willis L. Jepson 1894-5-3 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  UCD161238  Erysimum capitatum Jake Ruygt 2009-5-22 5415 Napa Napa County : American Canyon, across road from quarry. (Coordinates estimated by label maker at UC Davis). 172 Comment
  CAS-BOT-BC54306  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 2498 Napa 0.5 mile south of Knoxville. Comment
  JEPS120386  Erysimum capitatum Jake Ruygt 1981-4-22 997 Napa American Canyon, .3 [0.3} miles east of Flosden Road Comment
  UC917132  Erysimum capitatum W. M. Grannell 1950-4-27 2 Napa rocky hillside Putah Canyon Comment
  UCD161237  Erysimum capitatum var. capitatum Jake Ruygt 1989-4-20 2342 Napa Vaca Mountains about 1 mile north of Mt. Vaca. (Coordinates estimated by label maker at UC Davis). 804 Comment
  POM339526  Erysimum capitatum var. capitatum F. R. Fosberg 1967-4-1 48420 Napa Hills just south of Lake Berryessa Comment
  SEINET8274778  Erythranthe microphylla Richard W. Cleveland 1951-4-8 16 Napa on road from Monticello to Napa, 8 miles east of Napa. Comment
  SJSU1353  Erythronium californicum J. W. Tilden 1953-5-24 1040 Napa NE slope Mt St Helena 457 Comment
  RSA176484  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Volcanic crater region of Mount St. Helena, just east of the Palisades on the Old Stage Road Comment
  SEINET8359660  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens, northern Napa County; steep northerly slope just east of the Palisades on old stage road. Comment
  CAS-BOT-BC402787  Eschscholzia caespitosa L. Constance 1938-3-27 2043 Napa Steel Canyon near Capell Valley, 8 miles south of Monticello, Napa Range, North Coast Ranges 304 Comment
  LA206219  Eschscholzia caespitosa John Thomas Howell; 1931-4-3 6127 Napa Napa Range, Pope Creek Canyon Comment
  UC10038  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  CAS-BOT-BC402796  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6096 Napa 9 miles from Monticello on road to Napa, Napa Range Comment
  CAS-BOT-BC402798  Eschscholzia caespitosa Peter H. Raven 1955-3-20 8244 Napa Slopes just below Hennessey Lake, Conn Valley 121 Comment
  UCD15072  Eschscholzia caespitosa Janet Zwanziger 1977-4-24 25 Napa Along Berryessa-Knoxville Road, 1.6 miles N of Highway 128 junction. Comment
  UCD95244  Eschscholzia caespitosa Curtis Clark 1975-4-28 490 Napa State Highway 128, 13.6 miles west of Winters. Comment
  POM182741  Eschscholzia caespitosa subsp. caespitosa D. D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  JEPS106421  Euphorbia crenulata Jake Ruygt 1996-4-10 3578 Napa Soda Spring, White Cliff Springs 399 Comment
  UCSC009026  Euphorbia crenulata Dylan M. Neubauer 2015-4-24 128 Napa Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey, NCoRI 101 Comment
  UCD142372  Euphorbia crenulata K. Esau 1933-4-14 s. n. Napa Calistoga, near petrified forest. Comment
  UCD167048  Euphorbia oblongata Jake Ruygt 1989-12-11 2427 Napa Yountville Ecological Reserve. 22 Comment
  JEPS106419  Euphorbia spathulata Jake Ruygt 1989-5-9 2315 Napa American Canyon, Avilla Ranch 85 Comment
  UCD117765  Euphorbia spathulata Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. Adjacent to serpentine slope. 386 Comment
  UCD20020  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1218 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  CHSC102302  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  HSC100738  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek, E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  UCD54315  Euthamia occidentalis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 107 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  CHSC114890  Festuca californica D. G. Kelch 2010-4-28 10180 Napa N Rockville along Suisun Valley Rd. Nr Napa County Line. 159 Comment
  JEPS122916  Festuca californica Jake Ruygt 1999-7-10 4203 Napa Spring Mountain Road at York Creek Reservoir. Quad: Calistoga. Comment
  JEPS75636  Festuca californica W. L. Jepson 1936-5-28 17543 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD149596  Festuca californica 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
  UCD37300  Festuca californica Beecher Crampton 1959-5-7 5202 Napa State Highway 128, north end of Capell Valley, Capell Creek. Comment
  UCD75791  Festuca californica Ellen Dean; S. Rae 2008-5-21 4988 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 Comment
  CAS-BOT-BC278345  Festuca californica subsp. californica L. R. Abrams 1928-5-3 12205 Napa St. Helena Grade Comment
  UCD65899  Festuca californica subsp. californica J. Street 1950-4-24 Napa 4 mi. E of Rutherford. Comment
  UC187121  Festuca elmeri J. P. Tracy 1902-5-22 1629 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS122917  Festuca idahoensis Jake Ruygt 2000-5-15 4251 Napa Henry Road, on old Henry Ranch. Quad: Napa. Comment
  UCD65966  Festuca idahoensis Beecher Crampton 1954-5-6 1832 Napa 5 miles south of Monticello. Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  JEPS122910  Festuca occidentalis Jake Ruygt 2007-4-15 5149 Napa Las Posadas State Forest, road to north side of Recreation Flat. Quad: Saint Helena. Comment
  JEPS122955  Festuca perennis Jake Ruygt 1982-6-6 1310 Napa South of Suscol hill and west of Highway 29. Quad: Cuttings Wharf. Comment
  UCD36938  Festuca roemeri Beecher Crampton 1956-5-25 3458 Napa Vaca Mountains, head of Markley Canyon. Comment
  CAS-BOT-BC63009  Frangula californica subsp. crassifolia Carl B. Wolf 1928-2-25 1506 Napa 3 mi. no. of summit of the Mt. St. Helena Grade, near Lake - Napa cos. line. Comment
  CAS-BOT-BC53522  Frangula californica subsp. tomentella Peter H. Raven 1951-10-28 3962 Napa Road n. of Knoxville 609 Comment
  CAS-BOT-BC53523  Frangula californica subsp. tomentella C. H. M. 1919-9-13 s.n. Napa Canyon House, Steel Creek (18 miles NE of Napa) Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  CAS-BOT-BC223848  Frankenia palmeri Peter H. Raven 1951-9-9 3906 Napa Slaughterhouse Pt., Napa River 0 Comment
  UCD122055  Fraxinus latifolia Alton Enloe 1955-5-20 37 Napa Near Putah Creek bed; State Highway 128, ca. 10 miles southwest of Monticello Dam. Comment
  SEINET13943203 Image available Fraxinus latifolia Lewis S. Rose 1955-1 55190 Napa Below Conn Lake; 4 mi NE of Rutherford; ca. 200 ft alt. 61 Comment
  SBBG50813  Fremontodendron californicum N. Miller 1973-5-5 13 Napa St Hwy 128, 5 mi N of Moskowite Corner Comment
  UC766016  Fremontodendron californicum subsp. californicum R. F. Hoover 1938-6-11 3600 Napa Knoxville Ridge Comment
  SEINET5510212 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  SEINET5518602  Fremontodendron californicum subsp. napense Herbert L. Mason 1935-1 10009 Napa Four miles north of Knoxville Mines Comment
  CAS-BOT-BC130081  Fritillaria affinis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC545849  Fritillaria affinis E. Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley-Middletown Road Butts Canyon; , Pope Valley-Middletown Road Comment
  JEPS61901  Fritillaria affinis Willis L. Jepson 1893-5-5 14823 Napa Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  POM169605  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  CAS-BOT-BC506161  Fritillaria micrantha Loraine Hart; John Barry 1928-4-21 3626 Napa Mount Saint Helena beyond crater east of chamise lilies Comment
  RSA195358  Fritillaria purdyi Gilbert Muth 1967-3-6 537 Napa Snell Valley 213 Comment
  JEPS113968  Fritillaria recurva Jake Ruygt 1990-4-8 2474 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  POM224397  Fritillaria recurva Ethel Crum 1936-3-15 1739 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  CAS-BOT-BC508191  Fritillaria recurva Rimo Bacigalupi 1926-3-28 1256 Napa Road below Mt. St. Helena about 1/2 way between Summit and Middletown Comment
  JEPS61954  Fritillaria recurva Willis L. Jepson 1893-5-5 14819 Napa ne side of Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  POM169613  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir. St. Helena Comment
  UCD18032  Galium andrewsii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 581 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD18063  Galium andrewsii var. andrewsii Ellen Dean; with Plant Biology 102 class 2000-4-22 618 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  CDA42134  Galium aparine T. C. Fuller 1958-5-1 3723 Napa 2.5 miles north of Calistoga. 0 Comment
  UCD73512  Galium divaricatum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  POM196070  Galium nuttallii var. tenue L. F. Robbins 1926-3-26 s.n. Napa Putah Canyon. Comment
  UC1196090  Galium porrigens Joseph P. Tracy 1899-6-26 429 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD159922  Galium porrigens Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43 - 2. 243 Comment
  CAS-BOT-BC199056  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  UC971940  Garrya congdonii C. R. Bell 1952-3-8 1245 Napa 5.8 mi e Pope Valley - Monticello road junction (n of road) Comment
  UCD162740  Garrya congdonii Dylan O. Burge; J. Rugyt 2014-5-23 1626 Napa Butts Canyon Road, roadside. 222 Comment
  UCD18122  Garrya congdonii K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 59 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
  RSA41998  Garrya elliptica Ella Dales Cantelow 1939-5-7 2532 Napa Just E of Napa - Lake Co line. Comment
  UCD170294  Garrya elliptica Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 834 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 447 Comment
  CAS-BOT-BC144376  Garrya fremontii Milo S. Baker 1941-6-30 10157 Napa Along Hiwy. to Howell Mt., north road from Silverado Trail to Pacific Union College Comment
  CAS-BOT-BC144378  Garrya fremontii Alice Eastwood 1922-3-26 11110 Napa Mt. St. Helena Comment
  CAS-BOT-BC278656  Gastridium phleoides Peter H. Raven 1951-6-26 3083 Napa Cappell Valley 365 Comment
  UC527949  Gastridium ventricosum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6659 Napa on road to Pope Valley 5 mi e St. Helena 304 Comment
  JEPS126067  Geranium carolinianum Jake Ruygt 2006-5-23 5036 Napa Bell Creek. Saint Helena 7.5' Quad. Comment
  UCD49066  Geranium dissectum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 3 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  JEPS126066  Geranium molle Jake Ruygt 2005-3-28 4737 Napa Near Knoxville Wildlife Area. Knoxville 7.5' Quad. Comment
  JEPS85015  Geranium molle Larry Heckard and Mary Ashton 1969-5-3 2223 Napa 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd); Mead Ranch 457 Comment
  RSA0028547  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  UCD23412  Geranium molle Helen West 1977-4-16 1 Napa Purple flowers, 10 stamens (2 rows of 5), low lying plant. Collected in sunny meadow, surrounding vegetation was low, covering plants, soil parent material is shale. 6.3 miles southwest of Monticello Dam, off Hwy. 128, along road side. 182 Comment
  UCD23414  Geranium molle Rebecca L. Moehlmann 1977-4-16 21 Napa Small purple flowers, notched petal. Pubescence both leaf surfaces. Foothill woodland with blue oak, digger pine. East side of Highway 128, 6.4 miles by road SSW of Monticello Dam. Wragg Canyon. 182 Comment
  RSA523893  Gilia capitata Barbara Ertter, Annetta Carter 1989-5-28 8512 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  UCD117694  Gilia capitata subsp. capitata M. Ensign 1943-5-28 316 Napa about 26 miles north of Monticello on road to Lower Lake. Comment
  CAS-BOT-BC266495  Githopsis diffusa Gladys Smith 1966-4-23 s.n. Napa Bothe Napa Valley State Park Comment
  UC527929  Githopsis specularioides Ira L. Wiggins R. Bacigalupi, R. S. Ferris 1933-6-2 6663 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  SBBG100115  Glinus lotoides B. Ertter 1988-10-2 7966 Napa Lake Hennessey ca. 15 air mi NNW of Napa, on Conn Crk; E of boat-launching ramp on SE edge 91 Comment
  RSA92802  Glinus lotoides Peter H. Raven 1951-10-28 3931 Napa Strand at west end of Conn Lake. 152 Comment
  UCD85207  Glyceria striata Beecher Crampton 1953-7-14 1515 Napa N.E. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  CAS-BOT-BC303820  Gnaphalium John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St Helena Comment
  CHSC103004  Gnaphalium palustre Lowell Ahart 2009-10-12 16422 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
  JEPS106908  Gnaphalium palustre Jake Ruygt 1996-6-23 3752 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  UCD18098  Gnaphalium palustre Ellen Dean; with PLB 102 class 2000-4-29 754 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD148102  Grindelia camporum Jake Ruygt 1987-10-12 2107 Napa Putah Creek north of Berryessa Estates. 146 Comment
  UCD161355  Grindelia camporum Jake Ruygt 1987-5-27 2014 Napa Department of Fish and Game, Huichica Creek property, Buchli Station. (Coordinates estimated by label maker at UC Davis). 3 Comment
  UCD63179  Grindelia camporum Jake Ruygt 2004-6-12 4617 Napa 3/4 mile east of Blue Monday Mine. 365 Comment
  CAS-BOT-BC304888  Grindelia hirsutula Peter H. Raven 1951-9-9 3902 Napa Slaughterhouse Point, Napa River 0 Comment
  CAS-BOT-BC304892  Grindelia hirsutula John Thomas Howell 1929-6-30 4313 Napa 5 mile s. of Calistoga on highway to St. Helena, Napa Valley Comment
  CAS-BOT-BC304902  Grindelia hirsutula John Thomas Howell 1932-10-8 10804 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304907  Grindelia hirsutula John Thomas Howell 1933-8-27 11645 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  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
  JEPS41892  Grindelia hirsutula W. L. Jepson 1938-10-1 19050 Napa e slope of Mt. St. Helena Molly Patten Inn (at pass); Mt. St. Helena Comment
  UC1536846  Grindelia hirsutula G. H. True 1937-6-21 732 Napa near Lokoya Lodge 365 Comment
  JEPS120380  Grindelia hirsutula Jake Ruygt 1981-5-13 1024 Napa American Canyon, south side of canyon Comment
  JEPS120421  Grindelia hirsutula Jake Ruygt 2010-8-14 5714 Napa Berryessa Estates picnic area adjacent to Putah Creek at junction with Butts Cr. Comment
  CAS-BOT-BC123711  Grindelia stricta var. angustifolia John Thomas Howell 1932-10-8 10805 Napa Cuttings Wharf on Napa River Comment
  RSA430116  Guillenia flavescens Robert M. Specht 1977-4-13 649 Napa Plants of the Ukiah District. 524 Comment
  JEPS106824  Guillenia lasiophylla Jake Ruygt 1989-4-22 2282 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  UC160978  Guillenia lasiophylla Joseph P. Tracy 1902-5-16 1500 1/2 Napa 3 to 4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  CAS-BOT-BC302214  Harmonia nutans M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS101339  Harmonia nutans Dean W. Taylor 1998-6-3 16452 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  JEPS96684  Harmonia nutans Dean W. Taylor 1998-6-3 16478 Napa Cedar Canyon North Coast Ranges (basin in headwaters, between Twin Peaks and Sugarloaf Mtn., at end of road up (w from) Aetna Springs, Detert Res. 7.5' USGS quadrangle) 670 Comment
  UC1245371  Harmonia nutans Joseph P. Tracy 1950-5-23 18663 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  UC30653  Harmonia nutans Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  CHSC103018  Helenium puberulum Lowell Ahart 2009-10-12 16423 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
  RSA769211  Helenium puberulum L. Ahart 2009-10-12 16423 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
  UCD132770  Helianthella californica Heidi E. M. Dobson 1977-6-2 263 Napa above Mt. Veeder road. Comment
  UCD132774  Helianthella californica J. M. Tucker 1968-5-20 4111 Napa summit of Blue Ridge (Vaca Range), around 1.5 miles northwest of the head of Mxi Canyon. 762 Comment
  UC897265  Helianthella californica subsp. californica John Thomas Howell 1937-7-4 13057 Napa Wooden Valley Grade Comment
  CAS-BOT-BC223903  Helianthemum scoparium John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  RSA113743  Helianthemum scoparium var. vulgare Beecher Crampton 1956-5-25 3480 Napa Howell Mountains above Wooden Valley Comment
  UCD18115  Helianthus bolanderi K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 51 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
  CAS-BOT-BC305535  Helianthus bolanderi H. M. Hall 1923-10-12 11927 Napa Northern Napa Co. 16 mi. s.e. of Lowerlake Comment
  JEPS4458  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Angwin's Meadows Howell Mt., Angwin's Meadows Comment
  UC127134  Helianthus californicus Harley P. Chandler Sep 7 1906-Sep 14 1906 7128 Napa Howell Mt., Alta Loma Ranch 487 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
  CAS-BOT-BC305674  Helianthus gracilentus G. L. Stebbins 1971-7-28 8052 Napa Near Hunting Creek, along road from Knoxville to Lower Lake 548 Comment
  CAS-BOT-BC306144  Hemizonia congesta subsp. clevelandii H. M. Hall 1924-10-4 12112 Napa Calistoga, (Myrtledale Spring) Comment
  CDA11970  Hemizonia congesta subsp. luzulifolia G. F. Hrusa, M. Hooper 1995-9-12 12462 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  CAS-BOT-BC309843  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa In Napa, Napa Valley Comment
  JEPS38253  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1939-9-12 19486 Napa w St. Helena (1 mi w of summit (w side)); Spring Mtn. Comment
  OBI74533  Hemizonia congesta subsp. luzulifolia David J. Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo Comment
  UCD161645  Hemizonia congesta subsp. luzulifolia Jake Ruygt 2005-10-8 4948 Napa Howell Mountain Road about 0.3 mile south of Deer Park Road. 408 Comment
  SEINET10669265 Image available Hemizonia parryi subsp. parryi Charles C. Parry 1882-1 Parry 129 Napa Comment
  UCD161309  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  HSC38216  Hesperocyparis macnabiana Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2343 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  JEPS126105  Hesperocyparis macnabiana Jake Ruygt 1979-2-25 437 Napa Oat Hill Mine Road near Bateman Creek. Detert Reservoir 7.5' Qua. Comment
  OBI74556  Hesperocyparis macnabiana David J. Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S ofturnoff to Homestake McLaughlin mine/Mill 107 Comment
  UCD161646  Hesperocyparis macnabiana Jake Ruygt 2006-3-23 4960 Napa north of Potato Hill, Wildlake Ranch. (Coordinates coverted from UTM data by label maker.) 685 Comment
  HSC46349  Hesperocyparis sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  CAS-BOT-BC167422  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  JEPS32274  Hesperolinon bicarpellatum Jos. P. Tracy Jun 13 1899-Jun 19 1899 382 Napa Howell Mt. Comment
  LA47291  Hesperolinon bicarpellatum Helen Sharsmith; 1952-6-20 4145 Napa above Pope Creek ca. 0.5 mi. from Walter Springs 152 Comment
  OBI12554  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4108 Napa Above Sage Crk 0.8 mi S of Chiles Valley Comment
  POM139230  Hesperolinon bicarpellatum Katherine Brandegee 1911-6-29 s.n. Napa Butts Canyon near Aetna Springs. 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
  UC1212368  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-1 4117 Napa on Pope Valley-Monticello road between Walter Springs and Samuel Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UC1212370  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4070 Napa 3.8 mi n Cappell Valley road junction; Inner North Coast Ranges, Steel Canyon 304 Comment
  UCD119647  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  UCD119661  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  JEPS122801  Hesperolinon californicum Jake Ruygt 2005-6-4 4903 Napa SE end of Paradise Valley. QUAD: Jericho Valley. Comment
  SD51663  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford. 152 Comment
  UC1212453  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa slope of Conn Creek below Conn Dam (4.5 mi e of Rutherford); Inner North Coast Ranges, Sage Canyon 152 Comment
  JEPS112588  Hesperolinon clevelandii Jake Ruygt 1982-5-15 1257 Napa Soda Canyon, west of the steep grade 426 Comment
  JEPS122786  Hesperolinon clevelandii Jake Ruygt 2009-6-8 5427 Napa Wild Lake Ranch. Candlestick Ridge. QUAD: St. Helena. Comment
  CAS-BOT-BC176054  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  JEPS122780  Hesperolinon disjunctum Jake Ruygt 1993-6-5 3277 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  UC1212493  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa Pope Valley-Monticello road about 1 mi e spur road to Samuels Spring (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  UC1212499  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Pope Valley-Monticello road about one mi e spur road to Samuels Springs (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  UCR43104  Hesperolinon disjunctum L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  JEPS112655  Hesperolinon drymarioides Jake Ruygt 2000-7-8 4283 Napa Devilshead Rd. 475 Comment
  UCD149555  Hesperolinon drymarioides G. L. Stebbins 1970-7-17 7058 Napa South of Knoxville on Devilhead road. Three miles south of the junction with Berryessa-Knoxville Rd. (Exact location unknown. Coordinates estimated by label maker.) 463 Comment
  JEPS122777  Hesperolinon micranthum Jake Ruygt 1980-5-13 893 Napa Mt. St. John. QUAD: Rutherford Comment
  UC1212413  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4595 Napa near road from Cappell Valley to Rutherford (Soda Creek canyon); Inner North Coast Ranges, Soda Creek 213 Comment
  UCD110556  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa Above Sage Creek 0.8 miles south of Chiles Valley. 304 Comment
  UCD160739  Hesperolinon micranthum Ellen Dean 2015-5-23 8791 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD63864  Hesperolinon micranthum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 560 Comment
  UC1212259  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4105 Napa s side Conn Dam (on slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 Comment
  JEPS122787  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5438 Napa Sage Canyon, about 1/2 mile south of Nichelini Winery. QUAD: Yountville. Comment
  JEPS122858  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-28 247 Napa Pope Canyon Road, just east of brdige over Pope Creek Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  JEPS122776  Hesperolinon spergulinum Jake Ruygt 1988-6-4 2211 Napa Mt. St. Helena above Red Hill. QUAD: Detert Reservoir. Comment
  JEPS122841  Hesperolinon spergulinum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 221 Napa Along private road that runs west off of Pope Valley Road. Comment
  UC1212405  Hesperolinon spergulinum J. P. Tracy 1899-7-5 383 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC1212406  Hesperolinon spergulinum Joseph P. Tracy 1938-6-5 15828 Napa 5 mi e Angwin's (on hills at head of Moore Creek); Howell Mountain, Moores Creek 365 Comment
  JEPS11811  Heterocodon rariflorum W. L. Jepson 1936-6-1 17593 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  UCD112242  Heterocodon rariflorum Christopher Mallek 2008-5-12 AS2- 14 Napa Aetna Springs. 668 Comment
  JEPS11799  Heterocodon rariflorum Willis L. Jepson 1893-1 Napa grade below New Eden (Howell Mt); Napa River Basin, Howell Mt. 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
  SD62043  Heterotheca oregona var. rudis Darley F. Howe 1965-8-4 Napa 4.0 miles east of Rutherford on U. S. Highway 128. Comment
  SBBG2692  Heuchera micrantha H. and M. Dearing 1939-5-1 3242 Napa cyn on Hart Ranch, St Helena Comment
  UC11351  Heuchera micrantha var. erubescens Willis L. Jepson 1893-5-8 Napa Howell Mt; Napa River Basin Comment
  UC127169  Hieracium albiflorum Harley P. Chandler Sep 7 1906-Sep 14 1906 7152 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS107198 Image available Hoita macrostachya Jake Ruygt 1978-7-5 380 Napa 8.9 miles NE of Monticello Rd. on Atlas Peak Road 554 Comment
  POM26857  Hoita macrostachya Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  UC1586044  Hoita macrostachya Barbara Ertter with Elizabeth Neese 1988-10-2 7959 Napa s side Rt 128 across from spillway (ca 15 air mi nnw); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  UC162813  Hoita orbicularis Joseph P. Tracy 1899-7-4 392 Napa Angwin Creek Northern Coast Ranges, Howell Mountain (meadows) 457 Comment
  CAS-BOT-BC324651  Holocarpha virgata John Thomas Howell 1933-8-27 11644 Napa EAst of Chiles Valley on road to Winters, Napa Range Comment
  UCD132322  Holocarpha virgata Beecher Crampton 1956-9-28 3882 Napa Southern Capell Valley. Comment
  RSA92930  Holodiscus discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya. 488 Comment
  CAS-BOT-BC315794  Holozonia filipes K. Brandegee 1910-7-26 186 Napa Near Angwin's Comment
  JEPS106644  Holozonia filipes Jake Ruygt 1992-7-4 3067 Napa Johnson Meadow,Wild Horse Valley Ranch 420 Comment
  POM30486  Holozonia filipes Katherine Brandegee 1910-7-26 186 Napa Near Angwin's. Comment
  CAS-BOT-BC315789  Holozonia filipes L. S. Rose 1927-5-28 s.n. Napa Napa Valley Comment
  CAS-BOT-BC285096  Hordeum marinum subsp. gussoneanum Peter H. Raven 1952-5-29 4078 Napa Napa River 1 mi. n. Napa 60 Comment
  POM263252  Hordeum marinum subsp. gussoneanum J. C. Roos 1939-5-13 273 Napa Angwin, Howell Mt. Comment
  UCD18144  Hordeum marinum subsp. gussoneanum Jean Shepard; with PLB 102 class 2000-4-29 199 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
  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
  CAS-BOT-BC284901  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa 1 1/2 mi. N.E. of Calistoga Comment
  UCD75716  Hosackia crassifolia var. crassifolia Jake Ruygt 1989-5-20 2340 Napa Vaca Mtns. About 1 mile north of Mt. Vaca. 810 Comment
  JEPS110867  Hypericum anagalloides Jake Ruygt 1979-6-14 696 Napa north of PG&E substation, Suscol hill 24 Comment
  CAS-BOT-BC410811  Hypericum concinnum J. Clausen 1935-5-23 1072 a Napa Howell Mountain, near summit, 6.5 mi. N of St. Helena Comment
  UC666677  Hypericum concinnum H. S. Reed 1938-6-11 159 Napa Napa range w. of Oakville 243 Comment
  CAS-BOT-BC410806  Hypericum concinnum Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC410808  Hypericum concinnum H. E. McMinn 1923-5-25 963 Napa Summit of Wooden Valley grade Comment
  RSA458220  Hypericum concinnum E. S. Spalding 1924-7-3 s.n. Napa St. Helena Comment
  UC19031  Hypericum concinnum Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  UCD159530  Hypochaeris radicata D. S. Park 2011-4-11 278 Napa Off Redwood Rd. Residential district. 48 Comment
  UC1134692  Iris douglasiana B. Schreiber 1936-5-3 2204 Napa 1.2 mi w Calistoga; Calistoga Quad. 152 Comment
  JEPS126050  Iris fernaldii Jake Ruygt 2002-4-1 4381 Napa West of Calistoga above Blossom Creek. Mark West Springs 7.5' Quad. Comment
  RSA135896  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17119 Napa Troutdale Creek, Highway 29, 1.4 miles south of Lake County line Comment
  JEPS126028  Iris longipetala Jake Ruygt 1981-4-20 992 Napa American Canyon, east of Flosden Road. Cordelia 7.5' Quad. Comment
  JEPS126060  Iris longipetala Jake Ruygt 1999-4-18 4128 Napa South side of American Canyon Creek. Cordelia 7.5' Quad. Comment
  JEPS88857  Iris macrosiphon Carol A. Wilson 1992-4-18 92 -ph1 Napa 0.5 mi w Pope Valley (n of Angwin, Howell Mt Rd) Comment
  SEINET3876029  Iris macrosiphon L. Constance 1938-4-22 2132 Napa Above Dry Creek 2 miles West of Yountville, Miyakma Mountains, North Coast Ranges.; 0 457 Comment
  UCD138788  Iris macrosiphon H. Popenoe 1949-5-1 16 Napa Napa Valley: one mile from Pacific Union College on Pope Valley Road. Comment
  UCD170210  Iris macrosiphon Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 747 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCD95898  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7043 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  UCD135860  Isoetes howellii W. R. Russell 1972-5-25 s.n. Napa Just west of State Highway 29 and south of Calistoga. Comment
  UC1245416  Isoetes nuttallii Joseph P. Tracy 18659 Napa 5 mi. e. Angwin's (hills at head of Moore's Creek); Howell Mt. 518 Comment
  UC1746157  Isoetes nuttallii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2760 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS116566  Isoetes orcuttii Jake Ruygt 2006-5-23 5040 Napa South of Wild Lake, downslope of road. Saint Helena 7.5' Quad. Comment
  CAS-BOT-BC102319  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  SEINET13942237 Image available Juglans hindsii C. B. Wolf, B. D. Stark 5514 Napa Skally Ranch at head of Gordon Valley, below Lake Curry Dam. 500 ft. 152 Comment
  UCD73514  Juncus bufonius Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD147468  Juncus bufonius var. bufonius Ellen Dean; Diana Hickson 2014-4-29 8081 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD166697  Juncus bufonius var. bufonius Jake Ruygt 3 May1992 2925 b Napa Napa, Skyline Park. 143 Comment
  UCD166698  Juncus capitatus Jake Ruygt 20 May1992 2993 Napa southwest of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  JEPS122652  Juncus covillei Jake Ruygt 1989-6-17 2370 Napa Van Ness Canyon near Bear Valley. Quad: Detert Resevoir. Comment
  UCD166702  Juncus effusus subsp. pacificus Jake Ruygt 25 May1992 3004 Napa north of Leoma Lakes (Lair property) 347 Comment
  JEPS126039  Juncus hemiendytus var. hemiendytus Jake Ruygt 1990-4-21 2493 Napa Mead Ranch, Atlas Peak Road. Yountville 7.5' Quad. Comment
  UC14892  Juncus hemiendytus var. hemiendytus J. P. Tracy 1902-5-19 1555 1/2 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Head of Moores Creek 518 Comment
  UCD160765  Juncus hemiendytus var. hemiendytus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8635 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  JEPS126056  Juncus kelloggii Jake Ruygt 2005-4-30 4802 Napa Skyline Park, Marie Creek Trail. Mount George 7.5' Quad. Comment
  UC14894  Juncus kelloggii J. P. Tracy 1902-5-18 1534 a Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  UCD164767  Juncus kelloggii Jake Ruygt 2014-5-10 5938 -b Napa Atlas Peak Road, Studor property, south of Foss Valley, north of Millilen Reservoir. 448 Comment
  JEPS126057  Juncus oxymeris Jake Ruygt 2010-6-26 5660 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  JEPS122662  Juncus patens Jake Ruygt 1990-5-16 2553 Napa Silverado Trail about 1/2 mile north of Sage Canyon Road. Quad: Rutherford. Comment
  UC1151996  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-6-6 15847 Napa about 5 mi n Napa Comment
  UCD67899  Juncus xiphioides Hilary Jane Ernst 1981-5-24 69 Napa On Highway 128, 2.2 miles Southeast of Moskowite Corner. Comment
  RSA293538  Juncus xiphioides C. W. Tilforth, John Dourley 1979-7-22 1857 Napa 0.4 miles south of Park Headquarters, west side of Lake Berryesa. 137 Comment
  JEPS11337  Kickxia elatine W. L. Jepson 1930-10-19 15684 Napa mouth of Sage Canyon (in Conn Creek bed); Napa Valley, Conn Creek 45 Comment
  JEPS115771  Kickxia elatine Lowell Ahart 2009-10-12 16450 Napa Below the high water line of Lake Berryessa, along Capelll 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 133 Comment
  SEINET10782609  Kickxia elatine Peter H. Raven 1952-5-29 Raven 4094 Napa Napa River 1 mi. N Napa. 61 Comment
  JEPS76090  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  UCD170427  Koeleria macrantha Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-4-17 902 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 420 Comment
  UCD36946  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  UCD20756  Lactuca serriola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 105 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
  NY180446  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring Comment
Read comments
Nov 25 2013
  UC828868  Lagophylla minor John Thomas Howell 1939-4-30 14631 Napa Walter Springs Comment
  UCD18061  Lagophylla minor Ellen Dean; with Plant Biology 102 class 2000-4-22 616 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  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
  UCD47922  Lagophylla minor K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 12 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of hilltop. 545 Comment
  CAS-BOT-BC341426  Lagophylla minor Milo S. Baker 1932-4-26 5962 Napa Near Eastern side of Pope Val. along Monticello Hwy. Comment
  CAS-BOT-BC341428  Lagophylla minor Bruce G. Baldwin 1986-4-19 600 Napa 1.0 mile east of junction with Silverado Trail along California State Highway 128 Comment
  JEPS39001  Lagophylla minor Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa Valley River Basin, Conn Valley Comment
  POM231108  Lagophylla minor Jens Clausen 1935-5-22 1069 Napa Ca. 1 miles E of Chiles Valley Store. Comment
  RSA128654  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canyon. 305 Comment
  SEINET879048 Image available Lagophylla minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just south of Walters spring. Comment
  CAS-BOT-BC341557  Lagophylla ramosissima Alice Eastwood 1918-9-3 7964 Napa Calistoga Comment
  UCD20733  Lagophylla ramosissima Ellen Dean; w/ Mark Bibbo 2002-6-17 1098 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Dead Man's Hill, along trail to top. 365 Comment
  JEPS85022  Lamarckia aurea Larry Heckard, Mary Ashton 1969-5-3 2220 Napa 7 mi ne of Napa (Mead Ranch of the Atlas Peak Road); Mead Ranch 510 Comment
  JEPS110795  Lamium amplexicaule Jake Ruygt 1977-3-1 133 Napa .3 miles north of Oak Knoll Ave. on Big Ranch Rd. 21 Comment
  CAS-BOT-BC295370  Lasthenia californica R. C. Wenk; E. S. Wenk 2006-4-30 436 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  CAS-BOT-BC338274  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  CAS-BOT-BC338901  Lasthenia californica M. S. Jussel 1921-4-19 s.n. Napa Pope Valley Comment
  UCD164843  Lasthenia californica Jake Ruygt 2012-4-16 5816 Napa South half of Spanish Valley. 237 Comment
  UC1222972  Lasthenia californica subsp. californica Joseph P. Tracy 1949-4-24 18291 Napa in saline flats at Myrtledale Hot Springs; Calistoga Comment
  UC172586  Lasthenia californica subsp. californica H. P. Chandler 1907-4-25 7540 Napa Chiles Valley road Comment
  UCD48591  Lasthenia californica subsp. californica M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 15 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UCD48593  Lasthenia californica subsp. californica Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  JEPS35406  Lasthenia glaberrima W. L. Jepson 1923-6-3 9974 Napa s of Calistoga Comment
  UC311561  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa near Calistoga; Napa Valley 90 Comment
  UCD118396  Lasthenia gracilis Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 406 Comment
  UCD133827  Lasthenia gracilis R. W. Thorp 1967-3-9 670309 B Napa 3 miles south of Napa. Comment
  UC496104  Lathyrus aphaca Mrs. Ernest Lloyd 1931-5-5 Napa Howell Mountain Comment
  UCD106197  Lathyrus aphaca Michael A. Vincent; Ethan H. Freid 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. 2.5 miles southeast of Calistoga city limits. Comment
  JEPS126083  Lathyrus cicera Jake Ruygt 1994-4-26 3354 Napa Pope Valley north of Barnett Road. Aetna Springs 7.5' Qua. Comment
  JEPS107269  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1999-6-8 4181 Napa Fagan's Slough Comment
  UC2029987  Lathyrus jepsonii subsp. jepsonii David Amme 2002-10-8 s.n. Napa Napa River: South east of the town of Napa, growing along the east bank of the Napa River on the northerly side of the old Maxwell Bridge (Imola Ave.). Population extends along the upper edges of the river bank from the bridge northward another 70 feet. Comment
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. Comment
  UCD168544  Lathyrus vestitus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD48895  Lathyrus vestitus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. ca. 400 ft. NNW of jct with South Decker Canyon Rd. 188 Comment
  UCD48893  Lathyrus vestitus var. vestitus C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, approx. 260' W of jct with West Rd., S side of trail, approx. 10' from trail. 152 Comment
  JEPS55379  Lathyrus vestitus var. vestitus W. L. Jepson May 26 1896-May 27 1896 13631 Napa below New Eden; Howell Mt. Comment
  CAS-BOT-BC323188  Layia chrysanthemoides John Thomas Howell 1931-4-3 6145 Napa North end of Pope Valley, Napa Range. Comment
  JEPS39100  Layia chrysanthemoides W. L. Jepson 1915-4-23 6257 Napa Conn Valley Napa Range, Conn Valley Comment
  UCD18177  Layia chrysanthemoides Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  CAS-BOT-BC323197  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  POM231107  Layia chrysanthemoides Jens Clausen 1935-5-22 1068 Napa 2.2 miles S of Knoxville. Comment
  UCD133952  Layia chrysanthemoides R. L. Smith 1948-5-7 s.n. Napa Samuel Springs. Comment
  JEPS106618  Layia gaillardioides Jake Ruygt 1980-4-22 841 Napa Pope Canyon Rd. at Walter Springs bridge (old) 195 Comment
  UCD160043  Layia platyglossa Catherine Koehler 2012-4-2 s.n. Napa McLaughlin UC Reserve. WSW of Knoxville Mine site, along Knoxville-Berryessa Road. North side of road. 464 Comment
  JEPS106631  Layia septentrionalis Jake Ruygt 1990-4-28 2511 Napa Bear Valley 615 Comment
  JEPS106633  Layia septentrionalis Jake Ruygt 1986-4-20 1719 Napa Palisades north of Oat Hill Mine Rd. 755 Comment
  JEPS106576  Legenere limosa Jake Ruygt 1983-5-13 1460 Napa Suscol Ridge west of HWY 221 27 Comment
  JEPS122751  Leontodon saxatilis subsp. saxatilis Jake Ruygt 2011-6-18 5802 Napa Silverado Trail, 0.3 mi north of Pope Street, St. Helena. Quad: St. Helena. Comment
  UC1124476  Lepechinia calycina A. Lewis 1932-5-19 102 Napa Sarco Creek 182 Comment
  UCD49101  Lepechinia calycina S. Murphy; K. Keck and K. Dyer 2002-5-5 15 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 450 m from intersection of West and East roads, S side of upper road leading to power lines and tip parcels, 2 m from roadside. 388 Comment
  UCD115356  Lepidium didymum Mrs. Rice 1921-9-27 s.n. Napa Windsor. 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
  CAS-BOT-BC12512  Lepidium nitidum Alice Eastwood 1922-3-25 11092 Napa Calistoga. Comment
  POM94072  Lepidium strictum A. A. Heller, H. E. Brown 1902-4-25 5363 Napa Near Napa Comment
  UCD118587  Leptosiphon androsaceus G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12025 Napa University of California Quail Ridge Reserve, open grasslands at entrance gate. 290 Comment
  UCD118593  Leptosiphon androsaceus G. L. Stebbins 1983-5-8 C 3115 Napa Chiles Valley area. Comment
  UCD118599  Leptosiphon androsaceus M. Wiesendanger 1928-4-6 884 Napa Redwood Highway between Calpella and Willits. Comment
  UCD49206  Leptosiphon androsaceus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 3 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. roadside, less than 1/4 mile NW from jct with South Decker Rd. 182 Comment
  POM196068  Leptosiphon androsaceus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  RSA155422  Leptosiphon androsaceus L. S. Rose 1961-3-30 61025 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  RSA468551  Leptosiphon androsaceus L. S. Rose 1935-4-18 35102 Napa Steel Canyon Comment
  POM146397  Leptosiphon aureus A. A. Heller 1924-4-12 I- 3850 Napa Hot springs at Calistoga Comment
  CAS-BOT-BC226692  Leptosiphon jepsonii L. R. Abrams 1928-5-3 12220 Napa St. Helena Grade Comment
  JEPS129093  Leptosiphon jepsonii Jake Ruygt 2016-4-26 6214 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC226720  Leptosiphon latisectus Alice Eastwood 1918-5-1 6851 Napa Mt. St. Helena 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
  JEPS120322  Leptosiphon latisectus Jake Ruygt 2005-4-17 4781 Napa Upper Swartz Creek near Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  JEPS120363  Leptosiphon latisectus Jake Ruygt 2010-4-8 5502 Napa Mead Ranch, west slope overlooking Soda Canyon. Yountville 7.5' Quad. Comment
  UCD160654  Leptosiphon parviflorus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8740 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  JEPS20606  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa about 4 mi n of Calistoga Comment
  UC912322  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa four mi n Calistoga Comment
  RSA8542  Lessingia ramulosa John T. Howell 1933-8-27 11646 Napa E of Chiles Valley on road to Winters, Napa Range. Comment
  JEPS104712  Lessingia ramulosa John L. Morrison 1936-9-19 1947 Napa Knoxville Mines Comment
  RSA195344  Lewisia rediviva Gilbert Muth 1967-5-17 684 Napa Summit of Oat Hill Road 671 Comment
  JEPS104543  Ligusticum apiifolium Jake Ruygt 1987-7-5 2061 Napa Bothe State Park, Ritchie Creek 128 Comment
  UCD116464  Limnanthes alba subsp. alba K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  HSC15781  Limnanthes douglasii Greg Bos 1963-3-30 58 Napa 3 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  UC971836  Limnanthes douglasii subsp. douglasii Annetta Carter 1942-4-19 1667 Napa 3.3 mi s Napa Comment
  CDA43225  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-3-27 8757 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of it junction with Lower Chiles Valley Road. Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  JEPS112562  Limnanthes floccosa subsp. floccosa Jake Ruygt 1993-4-3 3180 Napa Little Bear Valley 676 Comment
  JEPS110670  Limosella acaulis Jake Ruygt 1990-6-23 2599 Napa Johnson's Meadow Creek, Wild Horse Valley Ranch 435 Comment
  UCD15265  Linanthus bicolor Patsy Barry 1984-5-12 16 Napa serpentine outcrop on Hwy 128 near Moscowite corners: 304 Comment
  JEPS110979  Linanthus ciliatus Jake Ruygt 1983-6-12 1490 Napa Mt. St. Helena 597 Comment
  UC23462  Linanthus ciliatus Willis L. Jepson 1893-5-9 Napa w of Rutherford; Napa River Basin Comment
  UC971717  Linanthus dichotomus Herbert L. Mason 1942-5-24 12540 Napa 8 mi s Pope Valley Store Comment
  UCD118645  Linanthus dichotomus R. L. Smith 1948-5-7 s.n. Napa East branch of Monticello Valley, about 3 miles E of Samuel Springs. 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
  SEINET8729335 Image available Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-1 12540 Napa Eight miles south of Pope Valley Store Comment
  JEPS58118  Linanthus jepsonii E. V. Ferguson 1920-5-15 349 Napa Pope Valley 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
  UC1198576  Linanthus parviflorus Joseph P. Tracy 1933-4-30 12092 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 396 Comment
  UC402909  Linanthus parviflorus Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  POM182708  Linaria canadensis var. texana D. D. Keck 1931-4-2 1021 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  CAS-BOT-BC36061  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1926-10-3 2209 Napa St. Helena Creek on emile below Patten's 609 Comment
  CAS-BOT-BC430623  Lithophragma affine Peter H. Raven 1950-4-15 1717 Napa Silverado Trail outside of Napa 15 Comment
  UCD102709  Lithophragma affine M. Wiesendanger 1928-4-5 861 Napa Monticello-Napa Road. Comment
  RSA734141  Lithophragma affine Keith E. Hoffmaster 1946-3-23 1238 Napa Napa Range 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
  CAS-BOT-BC342249  Logfia filaginoides M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS20920  Logfia filaginoides Willis L. Jepson 1896-6-1 Napa Helena Napa River Basin, Helena Comment
  UC796477  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa along old toll road between Calistoga and Middletown (1.5 mi from Calistoga) Comment
  JEPS33574  Logfia gallica W. L. Jepson 1944-5-21 27525 Napa fields 7 mi n Napa (e side of Napa Valley); Napa Valley Comment
  UCD18069  Lomatium hooveri Ellen Dean; with Plant Biology 102 class 2000-4-22 624 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
  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
  JEPS104568  Lomatium marginatum var. purpureum Jake Ruygt 1998-5-2 3953 Napa Jerd Creek 329 Comment
  JEPS129176  Lomatium marginatum var. purpureum Jake Ruygt 2015-3-7 6032 Napa South of Snell Peak. Aetna Spring 7.5' Quad. Comment
  UC1731433  Lomatium marginatum var. purpureum Dean W. Taylor 1998-6-18 16679 Napa ridge dividing Butts Canyon and Spanish Valley; North Coast Ranges 502 Comment
  HSC103468  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane Nelson 1981-4-14 6373 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 Comment
  UCD150866  Lomatium marginatum var. purpureum G. F. Hrusa 1992-4-15 10377 Napa Along Lower Chiles Valley Road approximately 1 mile north of Highway. 128 Intersection. Comment
  JEPS104541  Lomatium nudicaule Jake Ruygt 1986-5-7 1751 Napa Skyline Park below Skyline Trail 256 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
  OBI55128  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena, near the old inn. Comment
  UCD127712  Lomatium repostum Robert E. Preston 1987-6-13 559 Napa Snell Peak. 365 Comment
  UCD160296  Lomatium repostum James A. Neilson Jr. 1975-5-17 3193 Napa Robert Louis Stevenson State Park, 2/3 of the way along road to summit of Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  SEINET11130159  Lomatium repostum D. H. French 1968-4-20 2861 Napa Mount St. Helena, above fire access road, ca 0.5 mile above monument for R.L. Stevenson's former cabin. Comment
  UC140582  Lomatium utriculatum C. F. Baker 1903-4-20 2621 Napa Mt. St. Helena Comment
  UC173178  Lomatium utriculatum Katharine Brandegee 1909-6-1 Napa summit Pope Valley Grade Comment
  SEINET196261  Lomatium utriculatum Mildred E. Mathais 1937-5-23 1283 Napa Along highway 29 Mount St. Helena Comment
  UC663017  Lomatium utriculatum Basil Bowers 1941-6-18 381 Napa e. Calistoga (near summit of old mines rd., Palisades); Palisades 762 Comment
  JEPS17558  Lomatium vaginatum W. L. Jepson 1893-5-2 14311 Napa Pope Valley grade from Calistoga; Napa Range, Napa River Basin Comment
  CAS-BOT-BC240562  Lonicera hispidula L. S. Rose 1927-5-28 s.n. Napa Napa Comment
  SBBG9303  Lonicera hispidula S. Wagener 1955-5-15 60 Napa lookout spot ca. 0.5 mi SW of Oakville, on Trinity Rd Comment
  JEPS12814  Lonicera interrupta W. L. Jepson 1898-1-4 Napa Howell Mt. 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
  JEPS107212  Lotus humistratus Jake Ruygt 1977-4-17 192 Napa .4 mile west of HWY 29 on Oat Hill Mine Road 195 Comment
  UCD23429  Lotus humistratus Rebecca L. Moehlmann 1977-4-16 9 Napa Yellow zygomorphic flower, root nodules. Pubescent stems, leaves, sepals. Full sun. Foothill woodland with blue oak and digger pine. West side of Hwy 128, 6.4 miles southwest of Monticello Dam, roadside. Wragg Canyon. 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
  CDA27274  Lotus micranthus T. C. Fuller 1958-5-1 3721 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  JEPS19439  Lotus micranthus Willis L. Jepson 1893-4-24 13787 Napa Howell Mt. grade Napa River Basin Comment
  UC1129135  Lotus scoparius A. Lewis 1932-5-1 103 Napa Sarco Creek Napa Quad. 243 Comment
  JEPS107205  Lotus scoparius var. scoparius Jake Ruygt 1976-5-14 85 Napa 2.8 miles west of HWY 29 on Oakville Grade 170 Comment
  JEPS110687  Ludwigia palustris Jake Ruygt 1992-8-31 3133 Napa Wild Horse Valley Ranch, Leoma Lakes 405 Comment
  UCD65952  Ludwigia peploides subsp. montevidensis B. J. Grewell 2006-9-19 06- 71 -LU Napa Lake Hennessey where reservoir overflow backs up into confluence with Sage Creek south of Hwy 128. 97 Comment
  CAS-BOT-BC60255  Lunaria annua Elsie Zeile Lovegrove 1954-4-21 s.n. Napa Along road below Lokoya. Comment
  CAS-BOT-BC60254  Lunaria annua Peter H. Raven 1950-5-6 2032 Napa Southern limits of Calistoga on Route 28. 60 Comment
  JEPS85667  Lupinus John Thomas Howell 1926-3-20 1701 Napa s side Mt. St. Helena; , s side 457 Comment
  RSA13515  Lupinus affinis H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  CAS-BOT-BC198367  Lupinus albifrons C. B. Wolf 1928-2-25 1490 Napa On Mt. St. Helena Grade, 2 miles below Hawkins Mt. Camp Comment
  JEPS107237  Lupinus albifrons Jake Ruygt 1976-5-2 46 Napa 4.5 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  UC127019  Lupinus albifrons Willis L. Jepson 1893-5-4 Napa just above Toll-house, Mt. St. Helena (Mt. St. Helena); Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC201547  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1940-4-7 s.n. Napa South slope of Mt. St. Helena Comment
  CAS-BOT-BC201557  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-15 1751 Napa Wooden Valley Grade, above Napa 457 Comment
  JEPS107230  Lupinus bicolor Jake Ruygt 1980-5-13 889 Napa Campbell Flat, Mt. St. John 316 Comment
  JEPS107236  Lupinus bicolor Jake Ruygt 1996-4-6 3557 Napa near southeast end of Rector Reservoir. 134 Comment
  JEPS64990  Lupinus bicolor W. L. Jepson 1897-5-2 61 t Napa St. Helena Comment
  RSA699737  Lupinus bicolor Keith E. Hoffmaster 1946-3-23 1089 Napa Napa range, along Napa-Monticello road Comment
  UCD107265  Lupinus bicolor G. E. Johnston 1974-4-4 6119 Napa near Bell Canyon, near Angwin. 426 Comment
  UCD47996  Lupinus bicolor B. Takahashi; S. Burgess, A. Hufton, J. Pierner, A. Ryan 2000-4-29 4 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  UCD16030  Lupinus bicolor N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 18 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, 2-3 dm tall, flowers dark purple/blue. Comment
  JEPS64994  Lupinus bicolor subsp. tridentatus Willis L. Jepson 1897-5-2 32 t Napa St. Helena Napa River Basin, St. Helena Comment
  POM10640  Lupinus bicolor subsp. tridentatus C. F. Baker 1903-4-19 1982 Napa Calistoga. Comment
  SEINET10488633  Lupinus chamissonis Charles Piper Smith 1947-5-5 Smith 47202 Napa Cordelia, 3.4 mi. W, hwy 40. Comment
  POM181684  Lupinus densiflorus var. aureus Williams 1927-4-15 s.n. Napa Hills. Comment
  POM181010  Lupinus densiflorus var. densiflorus Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley. Comment
  UC15863  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  POM10765  Lupinus latifolius subsp. latifolius C. F. Baker 1903-4-20 2623 Napa Mt. St. Helena. Comment
  RSA161243  Lupinus latifolius subsp. latifolius Peter H. Raven 1957-5-5 10781 Napa Hills at western edge of Calistoga. 183 Comment
  SEINET12165968  Lupinus leucophyllus W. Knight, Knight, I. 1985-1 6348 Napa Chiles Valley 290 Comment
  UCD108720  Lupinus microcarpus var. densiflorus Ethel H. Hyde 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  UCD47990  Lupinus microcarpus var. microcarpus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-29 19 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  JEPS107245  Lupinus nanus Jake Ruygt 1980-3-30 821 a Napa St.Helena High School 70 Comment
  JEPS65397  Lupinus nanus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UC126975  Lupinus nanus Willis L. Jepson 1893-5-2 Napa near Palisades (ne<?> Pope Valley grade); Napa River Basin, ne<?> Pope Valley grade Comment
  UCD109259  Lupinus nanus G. L. Webster 1967-3-23 7492 Napa ca. 1 mi. S of Spanish Flat. 167 Comment
  UCD48960  Lupinus nanus C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; between West Rd. and Decker Bay Trail, N side of creek, just SW and downslope of West Rd. 167 Comment
  UCD70476  Lupinus nanus P. J. Plummer 1995-5-27 s.n. Napa W of city of Winters, off hwy 128. 335 Comment
  UCD109266  Lupinus nanus Collector Unknown Date Unknown s.n. Napa Exact location unknown. Comment
  POM66227  Lupinus nanus subsp. nanus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC202226  Lupinus sericatus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6666 Napa 3 mi. N. of Pacific Union College (Howell Mt.) on road to Aetna Springs Comment
  UCD170379  Lupinus succulentus Daniel Potter; N Khuu 2016-5-8 876 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 223 Comment
  POM276523  Lupinus succulentus Lyman D. Benson 1930-3-31 2023 Napa Calistoga. 915 Comment
  UCD109604  Lupinus succulentus Freed W. Hoffman 1947-4-7 662 Napa North Coast Ranges, confluence of Bucksnort and Putah creeks, Hennessy Ranch. Comment
  HSC89680  Lupinus vallicola Robin Bencie, Rich Dwerlkotte 1989-3-24 27 Napa A few mi. N of Callistoga, along Hwy. 29 Comment
  UCD95924  Luzula comosa Ellen Dean; with Clare Loughran 2011-5-20 7057 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
  UCD167050  Luzula comosa var. comosa Jake Ruygt 1990-4-28 2512 Napa Bear Valley. 615 Comment
  UCD103031  Lythrum hyssopifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. 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
  JEPS40213  Madia elegans W. L. Jepson 1893-9-23 Napa Upper Napa Valley Comment
  JEPS129025  Madia elegans subsp. densifolia Jake Ruygt 2016-7-23 6292 Napa Smittle Creek, west side of Lake Berryessa. Chiles VAlley 7.5' Quad. Comment
  UCD159955  Madia exigua Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  UCD18057  Madia exigua Ellen Dean; with Plant Biology 102 class 2000-4-22 611 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  CAS-BOT-BC343201  Madia gracilis David D. Keck 1933-5-29 2343 Napa Pope Creek Bridge south of Walters Springs Comment
  JEPS106551  Madia gracilis Jake Ruygt 1983-6-1 1485 Napa HWY 12 at Sonoma Co.line 94 Comment
  CAS-BOT-BC343192  Madia gracilis Bruce G. Baldwin 1986-4-28 601 Napa 3.3 miles west of junction with Lower Chiles Valley Road along California State Highway 128 Comment
  NY214974  Madia hallii H. M. Hall 1931-5-27 13094 Napa Near Knoxville, northeastern Napa County. Comment
  CDA8258  Madia madioides T. C. Fuller 1958-5-1 3717 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  POM125421  Madia nutans Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  RSA10705  Madia nutans C. B. Wolf 1928-5-3 1782 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA170280A  Madia nutans Joseph P. Tracy 1950-5-23 18663 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  RSA195340  Madia nutans Gilbert Muth 1967-5-19 696 Napa Milliken Dam. 335 Comment
  JEPS106679  Madia sativa Jake Ruygt 1987-6-6 2035 Napa end of Redwood Rd.private residence of Mr.Kublor 396 Comment
  JEPS40385  Madia sativa W. L. Jepson 1936-6-1 17598 Napa Howell Mt. Napa Range Comment
  UCD166657  Maianthemum stellatum Jake Ruygt 1999-4-24 4132 Napa Partrick Road. 85 Comment
  UCSB711  Maianthemum stellatum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  JEPS122763  Malacothamnus fremontii Jake Ruygt 2008-7-19 5360 Napa Eticuera Creek, at Long Canyon. Quad: Knoxville. Comment
  RSA434859  Malacothamnus helleri Peter H. Raven 1965-5-15 20205 Napa On divide between Zim Zim Creek and Nevada Creek, 5 miles SSE of Knoxville 396 Comment
  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
  UC831138  Malacothrix floccifera Alice Eastwood and John Thomas Howell 1939-6-11 7423 Napa sw of Oakville; Mt. Hood Range Comment
  CAS-BOT-BC347514  Malacothrix floccifera John Thomas Howell 1931-4-19 6461 Napa Conn Valley, Napa Range Comment
  UC504872  Marah fabacea R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UCD13202  Matricaria discoidea Charles Martin 1986-4-20 3 Napa 3 mi W of Monticello Dam, along hwy 128. 304 Comment
  UCD47913  Matricaria discoidea K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 31 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, middle of Old Knoxville Rd. 426 Comment
  CAS-BOT-BC348059  Matricaria discoidea Peter H. Raven 1953-5-2 5363 Napa Yountville 76 Comment
  POM262794  Medicago arabica J. C. Roos 1939-5-2 292 Napa Angwin Comment
  JEPS65508  Medicago polymorpha W. L. Jepson 1924-4-6 10324 Napa near mouth of Conn Creek (near St. Helena); Napa Valley Comment
  POM66927  Medicago polymorpha Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC187220  Melica californica J. P. Tracy 1902-5-21 1579 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 457 Comment
  SEINET239009 Image available Melica geyeri Beecher Crampton 1967-5-15 7936 Napa Sonoma County Napa County line 4 miles northwest of Calistoga on Hwy 128 Comment
  UC1112206  Melica geyeri Peter H. Raven 1957-5-5 10757 Napa hills at w edge Calistoga 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
  CDA32499  Melica geyeri Unknown 1928-3-15 s.n. Napa Blake Estate, east of Pacific Union College. 0 Comment
  SEINET8719050 Image available Melica geyeri W. S. Boyle 1942-1 1072 Napa Along the Silvarado Trail Road 7 miles south of Calistoga 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
  JEPS122949  Melica harfordii Jake Ruygt 1990-5-19 2560 Napa 1/2 mile north of Diamond Mountain Road on Highway 29. Quad: Calistoga. Comment
  UCD112236  Melica torreyana Christopher Mallek 2008-5-12 AS2- 16 Napa Aetna Springs. 668 Comment
  UCD20428  Melica torreyana E. Dean; w/ PLB 102 class 2002-5-4 1016 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
  UCD89194  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  UCSB425  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  JEPS63287  Melissa officinalis W. L. Jepson 1934-10-19 16904 Napa Napa R. near St. Helena; San Francisco Bay vicinity, Napa R. Comment
  JEPS112578  Mentha arvensis Jake Ruygt 1992-7-10 3079 Napa Yountville Ecological Reserve, Yountville Crossroad 25 Comment
  JEPS115773  Mentha pulegium Lowell Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS122695  Mesembryanthemum nodiflorum Jake Ruygt 1996-9-9 3783 Napa About 1/4 mile from west end of Green Island Road. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC348542  Micropus californicus var. californicus John H. Thomas 1955-5-21 5166 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  CAS-BOT-BC348547  Micropus californicus var. californicus Carl B. Wolf 1928-5-3 1797 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS106896  Micropus californicus var. californicus Jake Ruygt 1983-5-8 1454 Napa Skyline Park, Napa 213 Comment
  JEPS106897  Micropus californicus var. californicus Jake Ruygt 1979-4-21 533 Napa east of east end Westgate Dr.,Napa 121 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
  UCD134509  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Zim Zim Creek, around 1/2 mile west of Devilhead Road, and around 3 miles south - southwest of Knoxville. Comment
  UCD47915  Micropus californicus var. californicus Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 16 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  RSA695589  Micropus californicus var. californicus Keith E. Hoffmaster 1939-4-6 912 Napa Putah Canyon, Coast Range Comment
  UC1301043  Micropus californicus var. californicus Helen K. Sharsmith 1963-4-20 5347 Napa on Monticello Road San Francisco Bay Region, southwest slope of Napa Range 152 Comment
  UCD134515  Micropus californicus var. californicus M. R. Wanzer 1948-4-3 6 Napa west side of small hill, Putah Canyon, 13 miles west of Winters. Comment
  CAS-BOT-BC348679  Microseris acuminata John Thomas Howell 1931-4-19 6467 Napa Conn Valley Comment
  CAS-BOT-BC348970  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS106890  Microseris douglasii subsp. tenella Jake Ruygt 1989-5-2 2300 Napa Airport Rd., north side about .2 miles west of HWY 29 12 Comment
  POM53428  Microseris lindleyi C. F. Baker 1903-4-20 2609 Napa Mt. St. Helena. Comment
  RSA31299  Microseris lindleyi Joseph A. Ewan 1934-4-30 8813 Napa Sarco Creek, 4 miles above Napa. Comment
  JEPS101494  Mimulus angustatus Dean W. Taylor 1998-6-3 16453 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  JEPS104968  Mimulus angustatus Dean W. Taylor 1998-6-23 16696 Napa headwaters Swartz Canyon, South flanks Twin Peaks, (ca. 5 air mi W Aetna Springs) 716 Comment
  JEPS128902  Mimulus angustatus Jake Ruygt 1994-4-9 3345 Napa Los Posadas State Forest. Saint Helena 7.5' Quad. Comment
  JEPS110614  Mimulus arvensis Jake Ruygt 2000-5-6 4235 Napa Lawley Toll Rd near old log barn. 384 Comment
  UC147916  Mimulus arvensis J. P. Tracy 1899-6-11 362 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD14921  Mimulus aurantiacus Wesley Ebert 1977-4-16 34 Napa 6 miles south west of Monticello Dam, along the east side of Highway 128 above East Bull Canyon. 213 Comment
  RSA293488  Mimulus aurantiacus var. aurantiacus John Dourley 1979-07 1856 Napa Wooden Valley Rd., north-east of Napa Comment
  UC1778561 Image available Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. Lat corrected from 35 655 Comment
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Jul 14 2006
  UCD170434  Mimulus douglasii Daniel Potter; Peter Lash 2017-3-28 906 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road. 335 Comment
  JEPS110591  Mimulus floribundus Jake Ruygt 1989-6-17 2366 Napa Van Ness Canyon 597 Comment
  JEPS11029  Mimulus guttatus Willis L. Jepson 1893-5-2 29 m Napa e Calistoga (Pope Valley grade); Napa River Basin, Napa Range Comment
  OBI9446  Mimulus guttatus R. L. Hoover 1968-4-20 59 Napa NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  SEINET7057279  Mimulus guttatus Christopher T. Ivey 2003-11-29 364 Napa Specimen grown in greenhouse from wild-collected seed. Population occured along sream margin feeding Racoon Lagoon at north end of Lake Berryessa, about 4.5 mile north of Pope Canyon Road on Berryessa-Knoxville Road. Comment
  UC26955  Mimulus kelloggii W. L. Jepson 1893-5-2 29 m Napa Pope Valley grade from Calistoga Comment
  UCD160648  Mimulus layneae Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8734 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  JEPS110579  Mimulus microphyllus Jake Ruygt 1991-5-25 2693 b Napa Paradise Valley 280 Comment
  JEPS11436  Mimulus microphyllus W. L. Jepson 1921-5-6 9168 Napa Yountville 30 Comment
  JEPS11442  Mimulus microphyllus Willis L. Jepson 1893-5-8 10 m Napa La Jota Plateau Napa River Basin, Howell Mountain Comment
  UC103794  Mimulus microphyllus C. F. Baker 1903-4-19 1980 Napa Calistoga Comment
  UC147909  Mimulus microphyllus J. P. Tracy 1902-5-21 1584 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 365 Comment
  UC614484  Mimulus microphyllus L. Constance 1938-3-27 2040 Napa above Wooden Valley (8 mi ne of Napa, e slope of mountains); Coast Ranges, Howell Mountains 457 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
  JEPS11152  Mimulus nudatus R. F. Hoover 1941-4-26 4928 Napa summit between Pope Valley Butts Creek Comment
  RSA183420  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, 4 miles (airline) south and a little west of Knoxville 655 Comment
  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
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  UCD63856  Mimulus nudatus Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  JEPS28967  Mimulus pulsiferae Joseph P. Tracy 1950-5-23 18661 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  UC147883  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, dry stream bed); Howell Mountain, La Jota Plateau 518 Comment
  JEPS110593  Mimulus rattanii Jake Ruygt 1992-4-29 2909 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  CDA41814  Mimulus tricolor S. E. Schoenig 1998-6-3 98 -18 Napa 15 meters east of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  SEINET5725995 Image available Minuartia californica Stephen Randall 1974-1 3 Napa 1 air mile southeast of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  CAS-BOT-BC388756  Minuartia douglasii Alice Eastwood 1918-5-1 6834 Napa Mt. St. Helena Comment
  UC1103536  Minuartia douglasii Joseph P. Tracy 1902-5-15 1484 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  CAS-BOT-BC388758  Minuartia douglasii John Thomas Howell 1933-6-4 11393 Napa Hills east of Napa Comment
  JEPS84704  Minuartia douglasii John W. Willoughby 1977-4-20 2140 Napa below and just to s of Mount Vaca (w side of ridge); Vaca Mountains, Blue Ridge 457 Comment
  UCD161539  Minuartia douglasii Jake Ruygt 1992-4-10 2899 Napa Wild Horse Valley Ranch east of south lake. 463 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
  JEPS110815  Monardella villosa subsp. villosa Jake Ruygt 1986-6-6 1805 Napa 4.5 miles NW of Westgate Dr. on Atlas Peak Rd. 445 Comment
  CAS-BOT-BC220698  Monardella viridis John Thomas Howell 1941-6-21 16319 Napa Hills sw. of St. Helena Comment
  UC1995310  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon Napa Range Comment
  UCD160634  Monardella viridis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8726 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UCD41412  Monardella viridis Mark Bibbo; Ellen Dean, Alex Lee, Burak Petin 2003-4-26 126 Napa Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  CAS-BOT-BC220696  Monardella viridis Willie Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  JEPS110828  Monardella viridis subsp. viridis Jake Ruygt 1979-7-3 733 Napa north of Mt. George on Wild Horse Ranch north access road 408 Comment
  SEINET10582242  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 370 Napa Rte. 128, 3.1 miles east from junction with Pope Valley Rd., on left roadside. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  UCD170447  Monolopia major Daniel Potter; Ninh Khuu 2017-5-14 919 Napa Knoxville Wildlife Area, along Nevada Creek. 330 Comment
  JEPS43386  Montia fontana W. L. Jepson 1921-5-6 9179 Napa Calistoga 109 Comment
  CAS-BOT-BC444852  Montia fontana John Thomas Howell 1926-3-21 1743 Napa Near Palisade Mine, n. Napa Valley Comment
  JEPS43266  Montia fontana Willis L. Jepson May 1893 Napa Upper Napa Valley, Calistoga Calistoga; Napa River Basin, Upper Napa Valley, Calistoga Comment
  CAS-BOT-BC262607  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Above Capell Creek, north end of Capell Valley Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  UC526761  Nassella cernua Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi e St. Helena; North Coast Ranges 304 Comment
  SEINET201032  Nassella lepida Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi east of St. Helena 305 Comment
  UCD87831  Nassella lepida Beecher Crampton 1957-6-4 4102 Napa North end of Capell Valley. Comment
  CAS-BOT-BC260177  Nassella pulchra John Thomas Howell 1931-4-2 6087 Napa Summit of Wooden Valley Grade 8 miles E of Napa Comment
  SEINET201034  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa Head of Moore's Creek 3-4 miles E of Angwin's. 457 Comment
  JEPS120361  Navarretia cotulifolia Jake Ruygt 1982-5-19 1283 Napa 2 miles south of Walter Springs bridge on Pope Canyon Road. Aetna Springs 7.5' Quad. Comment
  UC106835  Navarretia heterodoxa Katharine Brandegee 1889-1 Napa Howell Mountain Comment
  UC23628  Navarretia heterodoxa Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  SEINET14057637  Navarretia heterodoxa K. Brandegee 1910-7-27 139 Napa Angwin 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
  JEPS112535  Navarretia intertexta subsp. intertexta Jake Ruygt 1996-6-23 3751 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 188 Comment
  JEPS123311  Navarretia intertexta subsp. intertexta David Gowen 2009-6-15 1062 Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve. Small drainage on southwest side of road. Comment
  UCD167182  Navarretia intertexta subsp. intertexta Jake Ruygt 1989-6-17 2373 Napa Bear Valley. 633 Comment
  UC142968  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  JEPS95201  Navarretia leucocephala subsp. bakeri Jake Ruygt 1996-5-19 3709 Napa between Barnett Rd and Pope Valley Rd 201 Comment
  UC155179  Navarretia mellita Katharine Brandegee 1910-7-20 Napa Pope Valley Comment
  UCD36407  Navarretia mellita Beecher Crampton 1953-7-14 1512 Napa Napa County, 5 miles south of Middletown, northeast slope of Mount Saint Helena. Comment
  UC908883  Navarretia mellita Herbert L. Mason 1935-5-30 Napa ridge between Lower Lake and Knoxville (Napa and Lake counties) Comment
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  UCD48408  Navarretia mellita Robert E. Preston 1987-6-13 560 Napa CA: Napa Co.; N slope of Snell Peak. T10N R5W se1/4 S7 (Aetna Springs 7.5' quad). 365 Comment
  UCD167131  Navarretia paradoxinota Jake Ruygt 2015-5-23 6113 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS112540  Navarretia pubescens Jake Ruygt 1998-6-29 4067 Napa About 4.7 miles north of first bridge on Berryessa-Knox. Rd 441 Comment
  JEPS112552  Navarretia pubescens Jake Ruygt 1988-5-29 2206 Napa Devilshead Rd. at Berryessa-Knoxville Rd 457 Comment
  UCD18142  Navarretia pubescens Jean Shepard; with PLB 102 class 2000-4-29 193 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC232666  Navarretia pubescens Peter H. Raven 1952-5-26 4064 Napa Near Samuel's Springs 121 Comment
  UCD37322  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Napa County, Vaca Mountains, Markley Canyon, along State Highway 128. Comment
  UCD48623  Navarretia pubescens Katherine Lahey 1981-5-24 102 Napa Napa Co. 2.2 mi S of junction State Hwy's 128 and 121 on Hwy 128 roadside. 243 Comment
  RSA73124  Navarretia subuligera J. T. Howell 1940-5-19 s.n. Napa Upper St. Helena Creek. Comment
  JEPS106577  Nemacladus capillaris Jake Ruygt 1992-6-13 3034 Napa Bear Valley, on road, west of creek 633 Comment
  SEINET10464791  Nemacladus capillaris Chisaki 1957-5-30 CHISAKI 971 Napa By Soda Creek, between Chiles Valley and Monticello Comment
  JEPS106580  Nemacladus montanus Jake Ruygt 1995-6-17 3500 Napa SE corner of Butts Canyon Road at Snell Valley Road 225 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
  OBI20979  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa Above Soda Crk along State hwy 28, 8.2 mi E of Conn Lake reservoir Comment
  SEINET1869547  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-1 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake reservoir. Comment
  JEPS3146  Nemophila heterophylla L. Constance 1938-4-22 2134 Napa above Dry Creek 2 mi w Yountville (Miyakma Mountains, North Coast Ranges); North Coast Ranges, Miyakma Mountains, above Dry Creek 457 Comment
  JEPS79577  Nemophila heterophylla Edward Lee with A. Carter and E. Crum 1936-3-15 1796 Napa 3.4 mi out Rutherford (Rutherford-Pope Valley Road); <near> Rutherford Comment
  UCD120070  Nemophila heterophylla M. Wiesendanger 1928-4-5 857 Napa Monticello-Napa Rd. Comment
  UCD13125  Nemophila heterophylla Kathleen Worden 1981-4-28 2 Napa Napa CO. On highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  UCD49089  Nemophila heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd. 182 Comment
  JEPS1514  Nemophila heterophylla John Thomas Howell 1926-3-20 1694 Napa Old toll road to Mt. St. Helena Comment
  POM203711  Nemophila heterophylla J. T. Howell 1931-4-2 6063 Napa Wooden Valley Grade, 5 miles east of Napa 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
  UCD120214  Nemophila menziesii G. F. Hrusa; S. Larson 1995-4-10 12063 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCD120234  Nemophila menziesii Michael A. Vincent; Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80. Comment
  UCD170201  Nemophila menziesii Daniel Potter 2015-3-14 756 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 242 Comment
  UCD82053  Nemophila menziesii Robin McMaster 1972-4-22 69 Napa Pope Valley. Comment
  UCD120085  Nemophila menziesii Everett H. Everson 1951-4-8 23 Napa 6.1 miles southwest of Monticello, on Napa Road. Comment
  UCD23407  Nemophila menziesii Karin Staaf 1977-4-16 7 Napa 6.4 miles SW of Monticello Dam, in a small shallow canyon on south side of Highway 128. Plants 3 inches tall, herbaceous. Flowers white/blue. Growth upright to low and creeping. Growing in open, sunny, grassy meadow. Soil clay like. Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  UCD120254  Nemophila menziesii var. menziesii L. P. Thibault 1995-5-21 48 Napa South side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  POM65370  Nemophila parviflora var. parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs. 150 Comment
  UC1196160  Nicotiana acuminata var. multiflora Joseph P. Tracy 1899-7-10 404 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  SD58461  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-11-2 503 Napa South end of Conn Creek Road at the bridge over Conn Creek, Conn Valley Comment
  UCD19932  Nicotiana quadrivalvis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 790 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD38861  Nicotiana quadrivalvis Beecher Crampton 1962-10-9 6700 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  SBBG28937  Nuttallanthus texanus D. D. Keck 1931-4-2 1021 Napa Wooden Valley Grade, west side of Napa Range, 5 mi NE of Napa 170 Comment
  UCD67960  Nuttallanthus texanus Arlene Johnston 1974-5-11 90 Napa Napa. Bodega Bay. Stabilized dunes. Coastal Strand Plant Association, dominated by Lupinus arboreus. Sandy soil, on steep slope, dry area in full sun. Annual herb, 5-12 cm high. Rare. 30 Comment
  JEPS113972  Odontostomum hartwegii Jake Ruygt 1978-5-14 311 Napa .6 mile north of Oakville Cross Road on Silverado Trail. Yountville 7.5' Quad. Comment
  UCD164770  Odontostomum hartwegii Jake Ruygt 2014-5-19 5941 Napa Sutro Ranch, Atlas Peak. 472 Comment
  SEINET12332381  Odontostomum hartwegii A. Liston, Meury, S. 1988-1 755 -1 Napa Bothe - Napa Valley State Park, campground site 21 150 Comment
  UC723786  Odontostomum hartwegii Joseph Andorfer Ewan 1934-4-30 8811 Napa Sarco Creek 4 mi. above Napa; Sarco Creek Comment
  UCD13158  Orobanche uniflora Jennifer Kent 1974-4-28 39 Napa Dutch Henry Canyon Rd., 2 miles north of junction with Silverado Trail, about 3 (airline) miles east of Calistoga. 487 Comment
  UC1197452  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1902-5-16 1494 Napa Northern Coast Ranges. Howell Mountain, at head of Moore's Creek, 3-4 miles east of Angwin's. Comment
  CAS-BOT-BC243695  Orobanche valida subsp. howellii John Thomas Howell 1926-10-3 2203 Napa Mt. St. Helena 1219 Comment
  UCD22734  Orthocarpus pusillus C. H. Pinney 1975-4-15 28 Napa Approximately 2.5 miles east of W Ragg Canyon Rd. on Hwy 128. 259 Comment
  UCD160568  Osmorhiza berteroi G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UC901879  Osmorhiza berteroi Joseph Andorfer Ewan 1937-5-23 10327 Napa Mt. St. Helena; w slope, along auto road Comment
  CAS-BOT-BC316826  Packera clevelandii John Thomas Howell 1930-10-19 5620 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  JEPS82375  Packera eurycephala var. eurycephala R. F. Hoover 1938-6-11 3601 Napa Knoxville Ridge Comment
  CAS-BOT-BC316875  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa Pope Creek Canyon 1 mile below Samuels Springs Comment
  JEPS106859  Packera greenei Jake Ruygt 1996-6-1 3734 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 377 Comment
  JEPS23639  Packera greenei R. F. Hoover 1941-6-8 5319 Napa e side Mt. St. Helena Comment
  UC187240  Panicum acuminatum var. acuminatum Joseph P. Tracy 1905-7-8 2234 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  OBI22057  Panicum capillare Robert F. Hoover 1966-8-23 9933 Napa Butts Cyn near Lake Co line Comment
  UCD20764  Panicum capillare M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 113 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
  JEPS110746  Parentucellia viscosa Jake Ruygt 1988-5-4 2178 Napa SW corner of HWY 29 and Airport Rd. 19 Comment
  UC25013  Pectocarya penicillata Willis L. Jepson 1893-4-30 Napa w Calistoga; Napa Rv Basin Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  RSA654127  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  HSC43956  Pellaea andromedifolia Robert M. Specht 1977-4-19 698 Napa Above drainage running NE from Adams Cr. (site 163) 497 Comment
  CAS-BOT-BC71378  Pellaea mucronata John H. Thomas 1955-5-21 5102 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD159942  Pellaea mucronata Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. At base of Adenostoma resprout. Above Q48. 243 Comment
  UCD89438  Pennisetum clandestinum Irving Grover 1952-6-10 s.n. Napa Napa. Comment
  UCD124212  Penstemon heterophyllus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  CDA41870  Penstemon heterophyllus subsp. purdyi Yeager 1930-5-15 s.n. Napa [no further data] 0 Comment
  NY601710  Penstemon heterophyllus var. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa 200 Comment
  CAS-BOT-BC245715  Penstemon newberryi var. sonomensis Belle R. Jackson 1930-6-20 s.n. Napa At the monument, summit of Mt. St. Helena Comment
Read comments
Jan 13 2018
  CAS-BOT-BC245719  Penstemon newberryi var. sonomensis L. R. Abrams 1928-5-4 12259 Napa Mt. St. Helena trail near Stevenson's monument Comment
  CHSC31986  Pentagramma triangularis L. Ahart 1976-3-7 1029 Napa S of the rd above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  CAS-BOT-BC71676  Pentagramma triangularis subsp. triangularis Peter H. Raven 1953-2-21 5193 Napa Wooden Valley Grade 274 Comment
  UCR198039  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road 488 Comment
  JEPS12439  Perideridia kelloggii W. L. Jepson 1915-4-23 6252 Napa Conn Valley Napa Range Comment
  UC126553  Perideridia kelloggii Harley P. Chandler Sep 7 1906-Sep 14 1906 7102 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD19310  Perideridia kelloggii M. A. Bibbo; E. Dean 2001-7-6 2 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  JEPS104483  Perideridia oregana Jake Ruygt 1998-7-6 4078 Napa SW of Snell Peak. 390 Comment
  SBBG128015  Persicaria punctata L. Ahart 2009-10-12 16449 Napa Capell Crk NE of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi W of Winters 133 Comment
  POM65431  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena. Comment
  SBBG11769  Phacelia distans H. and M. Dearing 1939-5-3 3270 Napa Sage Cyn near Rutherford Comment
  UC1301152  Phacelia distans Helen K. Sharsmith 1963-4-20 5337 Napa s slopes of mt. San Francisco Bay Region, Mt. Atlas 609 Comment
  JEPS110866  Phacelia divaricata Jake Ruygt 1979-4-14 514 Napa Oat Hill Mine Rd. near Twin Peaks 694 Comment
  JEPS78806  Phacelia egena John W. Willoughby 1976-5-18 1688 Napa w side of ridge near top Vaca Mountains (latitude approx. that of Mt. Vaca) 762 Comment
  RSA74915  Phacelia imbricata subsp. imbricata J. T. Howell 1929-5-30 4269 Napa Pope Valley Creek near Samuels Springs, Napa Range. Comment
  UCD166689  Phacelia imbricata subsp. imbricata Jake Ruygt 1998-5-16 3966 b Napa Maggies Peak, near Bismark Knob. 594 Comment
  POM161068  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  UC34033  Phalaris angusta Willis L. Jepson 1893-1 Napa Napa Valley; Napa River Basin, Napa Valley Comment
  CAS-BOT-BC265792  Phalaris aquatica Peter H. Raven 1951-6-24 3025 Napa Brown's Valley to Napa-Sonoma Road 91 Comment
  CAS-BOT-BC250694  Phalaris paradoxa Peter H. Raven 1951-6-26 3100 Napa 4 mi. n. Vallejo, nr. Solano Co. line 30 Comment
  JEPS122932  Phleum pratense Jake Ruygt 1986-6-9 1807 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. Quad: Capell Valley. Comment
  POM280308  Phoradendron bolleanum subsp. densum Lyman D. Benson 1935-2-25 6245 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
Read comments
Jan 25 2016
  SEINET12320621  Phyla nodiflora C. W. Tilforth, Dourley, J. 1979-1 1858 Napa 0.4 MI S of Park Headquarters, W side of Lake Berryesa 137 Comment
  SBBG50615  Physocarpus capitatus R. A. Christison 1960-4-24 51 Napa 2 mi below jct of Silverado Rd with Glass Mtn Rd 15 Comment
  UC466696  Physocarpus capitatus H. P. Chandler 1907-5-12 7565 Napa White Sulphur Spring St. Helena Comment
  UCD113675  Physocarpus capitatus B. Crampton 1956-5-25 3489 Napa Along creek bank, headwaters of Sarco Creek, Howell Mtns. Comment
  JEPS65570  Pickeringia montana var. montana W. L. Jepson 1938-5-25 18859 a Napa Bell Canyon Howell Mt. 579 Comment
  UCD117788  Pickeringia montana var. montana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, south of undeveloped road. 391 Comment
  CAS-BOT-BC73328  Pinus attenuata C. B. Wolf 1928-2-25 1501 Napa Mt. St. Helena grade 2 miles N. of summit. Comment
  JEPS47900  Pinus attenuata Willis L. Jepson 1893-5-4 Napa summit of Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  UC1001192  Pinus attenuata Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5338 Napa n side of Pope Creek; up a canyon, between Samuels Springs and Walters Springs 243 Comment
  UC796589  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa 1.5 mi from summit Mount St. Helena (along forest road) 1066 Comment
Read comments
Oct 2 2012
  SEINET267026  Pinus ponderosa Royal D. Suttkus 1967-6-26 673042 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  SEINET9632842 Image available Pinus ponderosa Royal D. Suttkus 1967-6-26 67- 30 -42 Napa Clearly Reserves, 7.2 miles northwest of Pope Valley. Comment
  JEPS103995 Image available Pinus sabiniana Jake Ruygt 1979-4-23 540 Napa HWY 128, 1.8 miles east of Silverado Trail (Sage Canyon Rd 88 Comment
  JEPS46897  Pinus sabiniana W. L. Jepson 1901-8-1 Napa St. Helena Comment
  SEINET267025  Pinus sabiniana Royal D. Suttkus 1967-6-26 67- 30 -43 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC1600395  Pinus sabiniana W. L. Jepson 1896-1 Napa St. Helena Comment
  JEPS129089  Plagiobothrys bracteatus Jake Ruygt 2016-4-19 6195 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD164774  Plagiobothrys bracteatus Jake Ruygt 2014-5-19 5948 Napa Sutro Ranch, Atlas Peak. 722 Comment
  UCD120805  Plagiobothrys canescens Beecher Crampton 1955-4-7 2437 Napa Napa County, 7.8 miles north of Monticello. Comment
  SD58506  Plagiobothrys cognatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore's Creek. 518 Comment
  UC526806  Plagiobothrys fulvus Joseph P. Tracy 1933-4-30 12089 Napa 5 mi e Angwin's (in hills at head of Moore's Creek); Howell Mountain 365 Comment
  JEPS129161  Plagiobothrys greenei Jake Ruygt 2015-3-28 6062 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  JEPS106765  Plagiobothrys nothofulvus Jake Ruygt 1990-4-1 2456 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  POM182692  Plagiobothrys nothofulvus D. D. Keck 1931-4-2 1006 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  UC650503  Plagiobothrys nothofulvus Ira L. Wiggins 1928-3-24 2865 Napa above Calistoga (grade onold road to Lake Co.) Comment
  UCD148755  Plagiobothrys nothofulvus Jake Ruygt 2002-4-1 4375 Napa Napa County; Blue Ridge north of Mays Flat. 716 Comment
  UCD81818  Plagiobothrys nothofulvus Ellen Dean 2009-4-24 5445 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD74376  Plagiobothrys nothofulvus Jake Ruygt 1983-3-26 1393 Napa 0.5 mile south of Sage Canyon Rd. on Silverado Trail. 76 Comment
  UCD37574  Plagiobothrys stipitatus Beecher Crampton 1955-4-7 2447 Napa Napa County, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville. Comment
  UC192203  Plagiobothrys stipitatus C. F. Sonne Apr 1887 Napa Napa Junction Comment
  UCD48658  Plagiobothrys stipitatus var. micranthus A. Van Houtte; E. Leger and C. Hohn 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., around entire rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  UC24573  Plagiobothrys strictus Alice Eastwood 1900-5-7 Napa type locality Calistoga Comment
  UC882379  Plagiobothrys strictus Milo S. Baker 1931-4-3 5142 Napa Calistoga Geyser Comment
  JEPS110788  Plantago coronopus Jake Ruygt 1994-6-7 3396 Napa Calistoga Airport 109 Comment
  HSC16867  Plantago erecta Greg Bos 1963-3-24 46 Napa NW end of Lake Berryessa at Putah Creek 152 Comment
  UCD124445  Plantago erecta Alva Day 1965-5-15 65- 132 Napa Cedar Valley, west of Lake Berryessa. Comment
  UC402910  Plantago erecta Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  UCD124425  Plantago erecta Robert C. Bechtel 1952-4-6 52 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  UCD15027  Plantago erecta Janet Zwanziger 1977-4-24 13 Napa 15.6 miles N of Pokeville junction along Knoxville Road. Comment
  UCD167241  Plantago erecta Jake Ruygt 1979-4-23 548 Napa 3.7 miles northeast of middle Road on Pope Canyon Road. 188 Comment
  UCR47285  Plantago lanceolata J. Nevin 1987-5-22 27 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  JEPS110899  Plectritis brachystemon Jake Ruygt 1996-4-6 3550 Napa about 100 ft above Rector Dam on south side of lake. 146 Comment
  JEPS6141  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4448 Napa s of Monticello Valley Comment
  JEPS6145  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4444 Napa Conn Canyon Reservoir Comment
  UC650434  Plectritis ciliosa subsp. ciliosa Ira L. Wiggins 1928-3-24 2868 Napa above Calistoga (on old road to Lake County) Comment
  POM263492  Plectritis ciliosa subsp. insignis J. C. Roos 1939-3-27 263 Napa Pope Valley Comment
  UC1239595  Plectritis ciliosa subsp. insignis Joseph P. Tracy 1933-4-30 12093 Napa 5 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 365 Comment
  OBI78496  Plectritis congesta Bacigalupi & Dempster, Dempster 1954-5-10 4449 Napa 4.2 mi N of Wooden Valley on Monticello Rd Comment
  RSA261550  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Montcello Dam, off State Hwy 128. Comment
  UCD137533  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Monticello Dam, off State Highway 128. Comment
  JEPS6143  Plectritis macrocera Bacigalupi and Dempster 1954-5-10 4446 Napa Highway 128 between Chiles Valley and Monticello Valley; Highway 128 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
  UCD37527  Pleuropogon californicus Beecher Crampton 1955-3-14 2318 Napa Napa County, 5-6 miles southeast of Calistoga, Upper Napa Valley, along Silverado Trail Highway. Comment
  UCD41331  Pleuropogon californicus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 6 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  UCR141073  Pleuropogon californicus Beecher Crampton 1955-3-14 2318 Napa North Coast Range, 5-6 miles southeast of Calistoga, upper Napa Valley, along Silverado Trail Highway 107 Comment
  CAS-BOT-BC244372  Poa annua Ira L. Wiggins 1928-3-25 2879 Napa Roadside 1.5 miles NE of Calistoga Comment
  CAS-BOT-BC246686  Poa howellii Catherine Best 1980-4-9 s.n. Napa Glass Mountain Rd near the Silverado Trail Comment
  UCD36940  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  UCD91107  Poa howellii Beecher Crampton 1957-4-15 3928 Napa Martley Canyon, Vaca Mountains. Comment
  UCD91143  Poa howellii R. Tofsrud 1941-6-1 370 Napa near Calistoga. Comment
  UCD91555  Poa napensis R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  SEINET11424613  Poa napensis Unknown 1967-1 Napa Calistoga [N of] Comment
  CAS-BOT-BC242899  Poa secunda subsp. secunda L. R. Abrams 1928-5-3 12231 Napa St. Helena Grade Comment
  CAS-BOT-BC242900  Poa secunda subsp. secunda Carl B. Wolf 1928-5-3 1814 Napa 2 miles S of Hawkins Mount Inn Camp Comment
  UCD90839  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7333 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  UCD90997  Poa secunda subsp. secunda Frank Gordon 1924-5-1 s.n. Napa Suisun Valley. Comment
  JEPS62444  Pogogyne douglasii W. L. Jepson 1896-6-2 14902 Napa St. Helena Comment
  UC25589  Pogogyne douglasii W. H. Brewer 1861-11-4 855 Napa Napa Valley Comment
  JEPS110839  Pogogyne serpylloides Jake Ruygt 1991-6-1 2705 Napa Campbell Flat, Mt. St. John 310 Comment
  UCD160766  Pogogyne serpylloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8636 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD166671  Pogogyne serpylloides Jake Ruygt 2004-5-4 4593 Napa Pope Canyon Rd, Dept. of Fish and Wildlife property, west of Samuel Springs site. 164 Comment
  UCD49103  Pogogyne serpylloides A. Collier; D. Caterson and S. Kenady 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  JEPS51382  Polycarpon tetraphyllum W. L. Jepson 1897-5-2 Napa St. Helena; along railroad track Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  UCD148763  Polycarpon tetraphyllum var. tetraphyllum Jake Ruygt 1994-3-15 3320 Napa Napa County; Chiles Canyon Rd. about 1 mile from Chiles Valley. 365 Comment
  UC1537006  Polygala californica Gordon H. True Jr. 1937-6-21 742 Napa near Lokoya Lodge 365 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
  UCD63348  Polygala californica Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 220 Comment
  UCD95915  Polygala californica Ellen Dean; with Clare Loughran 2011-5-20 7052 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
  JEPS110850  Polygonum arenastrum Jake Ruygt 1989-7-18 2400 Napa Willis Drive, Napa 15 Comment
  CAS-BOT-BC109156  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109158  Polygonum bolanderi T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain. Comment
  POM215137  Polygonum bolanderi D. D. Keck 1933-11-10 2721 Napa 1 mile N of Yountville Comment
  UC77395  Polygonum bolanderi Edward Lee Greene 1883-1 Napa Napa Valley Comment
  UCD99863  Polygonum bolanderi Walter R. Russell 1963-11-5 s.n. Napa ca. 2 miles south of Napa State Hospital, State Highway 12-29. Comment
  UC419719  Polygonum californicum Mrs. H. P. Bracelin 1930-10-19 118 Napa about 1 mi s Etna Springs Comment
  JEPS112595  Polygonum lapathifolium Jake Ruygt 1969-12-31 2837 Napa Buchli Station, DFG Huichica Creek prop. 1 Comment
  UC614935  Polygonum lapathifolium Beryl O. Schreiber 1936-8-16 2324 Napa 0.8 mi s Yountville 152 Comment
  JEPS120370  Polygonum majus Jake Ruygt 1986-6-14 1812 Napa Mt. Millhouse Camp, Mt. Saint Helena. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC419831  Polygonum parryi John Thomas Howell 1940-5-19 15466 Napa Upper St. Helena Creek Comment
  RSA170233  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  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
  UCD121196  Polypodium calirhiza Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7367 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 4H camp. 526 Comment
  CAS-BOT-BC237256  Polypogon monspeliensis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs Comment
  UC34077  Polystichum californicum L. R. Heckard 1964-5-23 1363 Napa ca. 2 mi. s.w. Aetna Springs (Cleary Reserve, at foot of falls of Swartz Creek); Cleary Reserve, Swartz Creek 365 Comment
  JEPS116567  Polystichum dudleyi Jake Ruygt 1999-7-10 4204 b Napa Spring Street near White Sulphur Springs. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC267121  Potamogeton Alice A. Ackley 1968-8-29 s.n. Napa Along main highway at Hoffman Road crossing, Yountville Comment
  CDA790  Potamogeton crispus Steve Bardessono 1961-6-2 Napa Berryessa Marina, Lake Berryessa. 0 Comment
  UCD144220  Prosartes hookeri G. F. Hrusa; G. L. Stebbins 1994-4-8 11708 Napa Las Posadas State Forest. Upper Moore's Creek. 450 Comment
  CAS-BOT-BC508643  Prosartes hookeri Peter H. Raven 1964-5-9 19046 Napa Along dirt road 2 miles west of Aetna Springs Comment
  UCR23507  Prunus subcordata John C. Roos 1939-3-31 307 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS95198  Pseudognaphalium biolettii Jake Ruygt 1987-3-19 1932 Napa Milliken Canyon 97 Comment
  JEPS106914  Pseudognaphalium californicum Jake Ruygt 1990-6-23 2595 Napa Vaca Mtns. about 1/2 mile south of Monticello Dam 420 Comment
  UCD19309  Pseudognaphalium californicum M. A. Bibbo; E. Dean 2001-7-6 1 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.4 air miles from research station. E (upslope) side of the road. 365 Comment
  UCD73841  Pseudognaphalium californicum Ellen Dean; S. Rae 2008-5-21 4976 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  CAS-BOT-BC356981  Pseudognaphalium luteoalbum Peter H. Raven 1952-5-31 4161 Napa Flood plain of Rector Creek 121 Comment
  JEPS120419  Pseudognaphalium microcephalum Jake Ruygt 2010-8-21 5745 Napa Buzzard's Roost, west slope above Staggs Leap. Comment
  UC32002  Pseudognaphalium microcephalum W. L. Jepson 1892-7-1 Napa Knoxville Comment
  JEPS106963  Pseudognaphalium stramineum Jake Ruygt 1996-3-30 3544 Napa Jameson Vineyards, South Kelly Road. 91 Comment
  SEINET265709  Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC650501  Pseudotsuga menziesii var. menziesii Ira L. Wiggins 1928-3-24 2863 Napa grade on old road to Lake Co., above Calistoga Comment
  UCD133367  Pseudotsuga menziesii var. menziesii Beecher Crampton 1955-3-15 2328 Napa Calistoga. Comment
  UCD147467  Psilocarphus brevissimus Ellen Dean; Diana Hickson 2014-4-29 8080 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS129114  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2015-5-6 6090 Napa East side of Highway 221, south of Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UCD160567  Pteridium aquilinum var. pubescens G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD73394  Pterostegia drymarioides Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  JEPS106406  Pyrola aphylla Jake Ruygt 1991-6-29 2750 Napa .7 mile south of White Cottage Rd. on Howell Mtn Rd. 554 Comment
  JEPS106407  Pyrola aphylla Jake Ruygt 1988-6-4 2217 Napa Mt. St. Helena <.5 mi. from HWY 29 on fire road 707 Comment
  JEPS106922  Pyrrocoma racemosa var. racemosa Jake Ruygt 1996-9-14 3788 Napa White Cliff Springs, on slope east of Soda Valley 338 Comment
  JEPS77933  Quercus X morehus Edward Lee 1935-12-1 1678 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  POM262790  Quercus X morehus J. C. Roos 1939-4-16 281 Napa Angwin, Howell Mtn. Comment
  UCD47054  Quercus X morehus D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa (Q. wislizenii DC. X Q. kelloggii Newb.). Napa County: Lake Berryessa. Pope Creek; 380 Comment
  CAS-BOT-BC61808  Quercus agrifolia John Thomas Howell 1930-10-19 5617 Napa Canyon bottom, 3 miles from Aetna Springs on Butts canyon road to Middletown Comment
  JEPS37366  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa near St. Helena; Napa River Basin Comment
  UCD149563  Quercus agrifolia G. Ledyard Stebbins 1994-10-5 s.n. Napa Hennessey Lake. At the junction of Route 128 [and Chiles Pope Valley Road]. Comment
  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
  UCD45147  Quercus alba Bill Davis 1966-9-26 s.n. Napa Veterans' Home Memorial Grove, Napa Co., Cal. (origin: Fredricksburg) Comment
  CAS-BOT-BC532605  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs Comment
  CHSC47414  Quercus berberidifolia Lowell Ahart 1976-3-7 1024 Napa On steep hillsides, on the south side of the road and across a small stream, about 2 miles south-west of the Monticello Dam. 152 Comment
  JEPS116528  Quercus berberidifolia Jake Ruygt 2002-4-1 4379 Napa Blue Ridge north of Mays Flat. Knoxville 7.5' Quad. Comment
  UCD14835  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -8 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45211  Quercus berberidifolia Thomas Morley 1941-5-11 126 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Comment
  UCD45215  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 38 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  UCD45242  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; shrubs on steep hillside. (Sheet No. 1. Each twig from a separate shrub.) Comment
  UCD73430  Quercus berberidifolia Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UCR212388  Quercus berberidifolia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
Read comments
Oct 11 2010
  UCSB63055  Quercus berberidifolia Rodriguez, Luis; Sarr, Dan 1995-9-5 Napa Chiles Valley 280 Comment
  SEINET3140220  Quercus chasei Unknown 1994-10-29 sn Napa Mt. George, north-ne. side ca. 400m 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
  UCD63353  Quercus chrysolepis Daniel Sanchez-Mata 2006-6-15 s.n. Napa Lower Chiles Valley Road. Chiles Valley. 160 Comment
  CAS-BOT-BC85939  Quercus douglasii Peter H. Raven 1951-8-21 3866 Napa Ridge SE of Mt. Veeder 670 Comment
  JEPS37393  Quercus douglasii Willis L. Jepson 1901-8-6 1729 Napa Howell Mt. grade Napa River Basin Comment
  UC993148  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD45742  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 20 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  CAS-BOT-BC79839  Quercus durata John M. Tucker; G. L. Stebbins 1950-11-5 2011 -7 Napa below Conn Valley dam, hillside across creek from the picnic area Comment
  CAS-BOT-BC79846  Quercus durata H. E. McMinn 1922-6-8 199 Napa hill side along Pope Creek Comment
  JEPS37339  Quercus durata Willis L. Jepson 1892-7 Napa near Knoxville; Mountain Region of Clear Lake Comment
  RSA38487  Quercus durata Carl B. Wolf 1944-11-1 11483 Napa 2.2 miles east of Lake County line, between Knoxville and Lower Lake. 457 Comment
  RSA8544  Quercus durata J. T. Howell 1933-8-27 11642 Napa Sage Canyon, Napa Range. Comment
  SFV8728  Quercus durata J. R. Correa 1971-5-29 27 Napa Lower Chiles Valley Road, 1.8 miles from junction with Highway 128. Comment
  UCD14839  Quercus durata John M. Tucker 1950-11-12 2014 -17 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149623  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Capell Creek. Comment
  UCD46002  Quercus durata Margot B. Forde; D. G. Faris 1960-2-24 II p Napa Crest of Blue Ridge (Vaca Mountains) 1 1/2 miles (airline) northwest of Mt. Vaca, in Napa County, California. 762 Comment
  HSC96007  Quercus durata var. durata D. Sanchez-Mata 1996-6-22 Napa Capell Valley, in Capell Creek 380 Comment
  UCD15986  Quercus durata var. durata C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 3 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11.3'' N; 122 deg. 21' 13.4'' W; 530 m. Comment
  UCD45911  Quercus durata var. durata Barbara Rice 1965-9-27 1 Napa Knoxville Road, 1 mile northeast of junction with State Highway 128, Napa County, California. Comment
  UCD83396  Quercus durata var. durata Jake Ruygt 1980-4-22 854 Napa Devilshead Rd. 475 Comment
  JEPS100413  Quercus garryana var. garryana Dean Wm. Taylor with Glenn Clifton 1990-10-30 11570 Napa Angwin, along Clark Way North Coast Ranges Comment
  UCD148742  Quercus garryana var. garryana Jake Ruygt 2004-7-31 4638 b Napa Napa County; near top of Buzzard's Roost. 594 Comment
  UCD46092  Quercus garryana var. garryana J. M Tucker 1952-4-22 2360 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105293  Quercus kelloggii John M. Tucker 1976-10-24 4381 Napa beside Dry Creek Road, 0.6 mi E of junction with Wall Road, and 5.2 mi (by road) SW of Oakville Comment
  JEPS37757  Quercus kelloggii W. L. Jepson 1911-11-12 4764 Napa near Mt. Atlas; Napa Range Comment
  LA205302  Quercus kelloggii J. A. Ewan; 1933-9-17 8012 Napa trail above Mt St. Helena Inn Comment
  UCD14958  Quercus kelloggii John M. Tucker 1976-10-24 4383 Napa California, Napa County: Beside Dry Creek Road, 0.8 mi. east of junction with Wall Road, and 5 mi. (by road) southwest of Oakville. Comment
  UCD46610  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners, Napa County, California. 30 Comment
  SEINET5644360  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. St. Helena, 0.4 miles over the north side from the summit of the road (State Highway 29).; 0 Comment
  CAS-BOT-BC62879  Quercus lobata Peter H. Raven 1952-5-31 4148 Napa Summit of hills sw of Rector Canyon 304 Comment
  JEPS116539  Quercus lobata Jake Ruygt 1988-5-1 2164 Napa Aetna Springs Road near resort. Aetna Springs 7.5' Quad. 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
  UC615360  Quercus lobata Beryl O. Schreiber 1932-4-3 201 Napa road to Calistoga Comment
  CAS-BOT-BC104980  Quercus wislizeni James L. Reveal 1987-6-7 6391 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles W of Pleasant Valley Road, about 5.5 miles W-NW of Vacaville 182 Comment
  CAS-BOT-BC104985  Quercus wislizeni Belle Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CHSC59980  Quercus wislizeni Wm. C. Overton Jr. 1980-7-13 Napa Along a south bank of Eticuera Creek ca. 1-1/2 road miles north of Lake Berryessa. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  UC1543117  Quercus wislizeni Charlotte G. Nast 1936-3-27 33 Napa Putah Canyon Comment
  UCD118565  Quercus wislizeni Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  UCD47491  Quercus wislizeni John M. Tucker 1941-9-20 397 Napa On road bank; Putah Canyon, a short distance west of Redbud Park, Napa County, California. Comment
  UCD49054  Quercus wislizeni L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 9 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd., 2 ft. from stream. 152 Comment
  UCD47630  Quercus wislizeni var. frutescens G. F. Hrusa; G. L. Stebbins 1994-5-11 11609 Napa Poorly drained rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin on Howell Mtn. 520 Comment
  JEPS106869  Rafinesquia californica Jake Ruygt 1989-5-20 2335 Napa About .5 miles south of Monticello Dam on Vaca Mtns. Monticello Dam 7.5' Quad. 822 Comment
  UCD144652  Rafinesquia californica Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC379141  Ranunculus aquatilis var. diffusus Peter H. Raven 1951-5-6 2812 Napa Conn Creek 2.5 mi from Rutherford to Dam 49 Comment
  UCR47044  Ranunculus californicus J. Nevin 1987-4-12 05 Napa Coast Range, Napa. East end of Brown's Valley, 1 mi on Buhman Ave. from Brown's Valley Road 61 Comment
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale Rd. Comment
  JEPS55171  Ranunculus californicus W. L. Jepson 1896-2-22 Napa near Stone Bridge; Howell Mountain grade Comment
  JEPS55189  Ranunculus californicus W. L. Jepson 1897-5-2 Napa near St. Helena; Bottle Mountain Comment
  UC9499  Ranunculus californicus Willis L. Jepson 1896-2-22 Napa Stone Bridge Hill Napa River Basin Comment
  UC9501  Ranunculus californicus Willis L. Jepson 1896-2-22 Napa Stone Bridge Hill Napa River Basin Comment
  CAS-BOT-BC378488  Ranunculus californicus var. californicus Peter H. Raven 1953-3-29 5202 Napa Calistoga 106 Comment
  JEPS110873  Ranunculus lobbii Jake Ruygt 1979-4-12 502 Napa .2 mile west of Suscol Ave. on Imola Ave 4 Comment
  UCD15590  Ranunculus muricatus J. A. Johnston 1995-5-7 3 Napa Hwy 128, approx. 1 mile west of Markley Cove on Lake Berryessa. 700 Comment
  CDA12063  Ranunculus occidentalis G. F. Hrusa, J. Messina 1989-3-3 5871 Napa North Coast Biodiversity Arena; Slopes around Lake Berryessa. This from along Hwy 128 entrance to Quail Ridge Reserve. Comment
  POM268844  Ranunculus occidentalis var. eisenii L. R. Abrams 1928-5-3 12253 Napa Summit St. Helena Grade Comment
  UCD169879  Ranunculus occidentalis var. occidentalis Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 719 Napa Knoxville Wildlife Area. 239 Comment
  JEPS60703  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1921-5-6 9176 Napa Calistoga 109 Comment
  JEPS110989  Ranunculus pusillus Jake Ruygt 1990-5-5 2525 Napa Johnsons Meadow, Wild Horse Valley Ranch 420 Comment
  CAS-BOT-BC362893  Rhagadiolus stellatus John Thomas Howell 1980-5-15 53451 Napa Oakville Grade sw. of Oakville 152 Comment
  UCD117923  Rhagadiolus stellatus Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  UCD159528  Rhagadiolus stellatus D. S. Park 2011-4-11 277 -1 Napa Redwood Canyon. Off Redwood Rd. Comment
  UCD74323  Rhagadiolus stellatus Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  RSA7786  Rhamnus californica Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  RSA7791  Rhamnus californica Carl B. Wolf 1928-5-3 1844 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  JEPS42077  Rhamnus californica subsp. californica Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  SEINET12210864  Rhamnus californica subsp. tomentella W. Knight, Knight, I. 1982-1 4554 Napa 0.5 mi W of Spanish Flat Comment
  UCD38857  Rhamnus crocea Beecher Crampton 1962-10-9 6694 Napa 3.5 miles southwest Angwin, Howell Mtn. Road. Comment
  UC592787  Rhamnus tomentella subsp. tomentella unknown 1928-2-25 1509 Napa 3 mi n summit of the Mt. St. Helena grade (near Lake-Napa Cos. line) Comment
  HSC41173  Rhododendron occidentale Robert M. Specht 1976-5-15 458 Napa .3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  RSA786871  Rhododendron occidentale Carrie A. Herd 1982-5-9 102 Napa Marker 0.571 Napa 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
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Mar 21 2013
  UCD20691  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 3 Napa Napa County, NE side of Butts Canyon Rd. along NE side of Butts Creek, at Napa 19.75 marker. In 5' of low water, crowns 1-2' above low water, submerged 1.5-3' at flood levels. Comment
  UCD20693  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 5 Napa Napa County, Butts Canyon Rd. along Butts Creek, 100' NW of 20.25 marker, NE side of creek at the mouth and 50' up a wash, on edge of rock bed. Comment
  UCD20695  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 Napa Napa County, Butts Canyon Rd. along both sides of Butts Creek. Lake Co. line to 500' SE of Co. line, predominately on SW bank, a few on NE bank. Comment
  UCD35625  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa North end of Capell Valley, above Capell Creek. Comment
  CDA38891  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd. along both sides of Butts Creek. Lake County line to 500' southeast of county line, predominately on southwest bank, a few on northeast bank. 0 Comment
  CAS-BOT-BC200647  Rhus aromatica John Thomas Howell 1929-5-30 4266 Napa Bank of Pope Valley Creek, 4 miles east of Samuels Springs, Napa Range Comment
  CAS-BOT-BC200718  Rhus aromatica Frank A. Leach 1926-6-26 s.n. Napa Aetna Springs Comment
  UCD116924  Rhus aromatica J. M. Tucker 1951-3-28 2067 Napa Capell Creek, about 6 miles south of Monticello. Comment
  UCD14945  Rhus diversiloba Fumi Takeda 1977-4-16 10 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam in Scagg Canyon; Comment
  JEPS66280  Rhus trilobata W. L. Jepson 1936-4-5 17413 Napa near Zem-Zem (valley edges along bases of the hills) Comment
  UC1543120  Rhus trilobata Charlotte G. Nast 1936-3-27 39 Napa Putah Canyon Comment
  JEPS129079  Ribes californicum var. californicum Jake Ruygt 2016-4-5 6176 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC921821  Ribes malvaceum Milo S. Baker 1931-4-1 5096 Napa in canyon 5 mi ne Napa (on Monticello road, n side) Comment
  RSA0021658  Ribes malvaceum D. D. Keck 1931-4-2 1025 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD167047  Ribes malvaceum var. malvaceum Jake Ruygt 1989-11-26 2425 Napa Mt. George on Land Trust Preserve, northwest side. 277 Comment
  JEPS9658  Ribes menziesii Willis L. Jepson Napa mountain summit w St. Helena (trail to <?>houx's Knob) 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
  UCD167061  Ribes sanguineum var. glutinosum Jake Ruygt 1999-5-18 4165 Napa Skyline Park, along Marie Creek Road near lake. 244 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
  JEPS49309  Ribes victoris Alice King July, 1919 Napa Napa Range, Mount St. Helena, Van Ness Ranch Mount St. Helena; Napa Range, , Van Ness Ranch Comment
  RSA84971  Ribes victoris var. greenianum J. T. Howell 1940-5-19 15450 Napa Upper St. Helena Creek. Comment
  CAS-BOT-BC363046  Rigiopappus leptocladus John Thomas Howell 1931-4-19 6445 Napa Conn Valley Comment
  CDA10867  Rigiopappus leptocladus G. F. Hrusa, M. Rejmanek 1993-5-15 10962 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CHSC59949  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley. Comment
  HSC43962  Rigiopappus leptocladus Robert M. Specht 1977-4-11 620 Napa Along drainage of Pocock Creek 500 Comment
  HSC81863  Rigiopappus leptocladus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5149 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD148814  Rigiopappus leptocladus Ellen Dean; Diana Hickson 2014-4-29 8120 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  JEPS106792  Rorippa curvisiliqua Jake Ruygt 1992-7-10 3085 Napa Yountville Ecological Reserve, Yountville Crossroad 26 Comment
  UC10724  Rorippa curvisiliqua Willis L. Jepson 1893-4-27 Napa Veteran's Home , Veteran's Home (Napa River Basin) Comment
  UCD74397  Rorippa curvisiliqua Jake Ruygt 1986-5-19 1779 Napa Napa River at confluence of Tulocay Cr. 1 Comment
  CAS-BOT-BC147537  Rosa californica Doris K. Kildale 1928-5-8 5045 Napa 3 miles west of Napa-Solano county line Comment
  CAS-BOT-BC148158  Rosa gymnocarpa A. A. Heller 1924-4-12 13838 Napa About 5 miles south of Calistoga Comment
  UCD159726  Rosa gymnocarpa G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Redwoods. Comment
  SEINET7665491  Rosa gymnocarpa H. P. Chandler 1906-1 7112 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  POM275408  Rosa spithamea Lyman D. Benson 1929-9-30 1931 Napa N side Mt. St. Helena. Mayacamas Mtns. Putah Creek watershed. 762 Comment
  UCD17673  Rubus H. Olmo; T. S. Mallah 1953-4-3 53 35 Napa California. Napa County: near Redwood Lodge, along road south of Calistoga. Growing in wet, swampy ground. Comment
  JEPS110651  Rubus ursinus Jake Ruygt 1979-4-17 521 Napa Napa River at Oak Knoll Ave. 15 Comment
  UCD15261  Rumex crispus Kathryn A. Specht 1984-4-28 9 Napa Napa: 0.5 mi east of Coyote Knoll, along Knoxville Rd., on an island in the middle of a lake; 121 Comment
  JEPS110752  Rumex salicifolius var. salicifolius Jake Ruygt 1996-6-3 3743 d Napa Jameson Vinyards near South Kelly Road. 103 Comment
  JEPS65647  Rupertia physodes W. L. Jepson 1913-4-15 5306 Napa Howell Mt. 609 Comment
  UC1093859  Salicornia virginica Herbert L. Mason 1923-10-6 773 Napa Suisun Marsh Comment
  UC465477  Salicornia virginica Milo S. Baker Aug 1900 Napa near Napa River Comment
  SEINET11993504  Salix breweri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -320 Napa along Butts Canyon Road near junction with Snell Valley Road, along Butts Creek 250 Comment
  UCD170813  Salix eastwoodiae 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. Along drainage leading to Maxwell Creek. 166 Comment
  POM219053  Salix exigua Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 33 Napa About 2 km W of Calistoga. On main highway in roadside ditch. Comment
  RSA92782  Salix exigua Peter H. Raven 1952-5-31 4109 Napa Strand of Conn Creek. E of Yountville. 46 Comment
  UC482046  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 37 Napa ca. 16 km. w Calistoga (1 mi from <other> bank above Maacama Creek) Comment
  JEPS122770  Salix gooddingii Jake Ruygt 2011-5-11 5783 Napa Putah Creek shoreline of Lake Berryessa, Berryessa Estates. Quad: Walter Springs. Comment
  CAS-BOT-BC108197  Salix hindsiana Lewis S. Rose 1937-4-4 37020 Napa 4 mi. N. of Wooden Valley 335 Comment
  JEPS38385  Salix laevigata W. L. Jepson 1900-3-8 506 Napa Hunt's Meadow St. Helena Comment
  UCD164802  Salix laevigata Jake Ruygt 1994-4-26 3356 -b Napa North of Barnett and Pope Valley Rd. 240 Comment
  JEPS13064  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2343 Napa St. Helena Napa River Basin, St. Helena Comment
  UC482320  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 17 b Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  CAS-BOT-BC124411  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-8-20 3859 Napa Acacia Lookout nr. Lokoya 426 Comment
  POM202752  Salix lucida subsp. lasiandra I. L. Wiggins 1932-3-12 5750 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC129002  Salix sitchensis Dan Axelrod 1929-6-30 s.n. Napa Lokoya Comment
  HSC43987  Salvia columbariae Robert M. Specht 1977-4-13 655 Napa South-facing slope 488 Comment
  OBI13529  Salvia sonomensis H. E. McMinn 1923-5-25 970 Napa Summit Wooden Valley Comment
Read comments
Dec 13 2012
  UCD149684  Salvia sonomensis Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD15500  Sambucus mexicana Ted Graber 1984-5-12 19 Napa 1 mile West from Conn Dam. Comment
  JEPS112609  Samolus parviflorus Jake Ruygt 1987-7-13 2070 Napa west bank Napa River just south of Lincoln St. 2 Comment
  JEPS104481  Sanicula bipinnatifida Jake Ruygt 1994-4-26 3356 Napa Pope Valley near Pope Valley Rd. 256 Comment
  UCD148828  Sanicula bipinnatifida Ellen Dean; Diana Hickson 2014-4-29 8133 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD169881  Sanicula bipinnatifida Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 721 Napa Knoxville Wildlife Area. 352 Comment
  UC658970  Sanicula bipinnatifida Mildred E. Mathias 1937-5-23 1280 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 Comment
  UC1006696  Sanicula crassicaulis C. Ritchie Bell 1951-3-24 3 X151 Napa se of road from Pope Valley to St. Helena Comment
  UCD20825  Sanicula crassicaulis N. Nicola 2001-3-30 041 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. 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
  UC566847  Sanicula laciniata Herbert L. Mason 1926-3-22 Napa Petrified Forest Comment
  JEPS1735 Image available Sanicula menziesii var. pedata W. L. Jepson 1893-5-1 14189 Napa Calistoga Napa River Basin; Calistoga, Napa River Basin Comment
  UC642309  Sanicula tuberosa Joseph P. Tracy 1933-4-30 12097 Napa 5 mi e of Angwins (at head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 396 Comment
  UCD41470  Sanicula tuberosa Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1350 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along South Decker Canyon Road, south of junction with cut-off trail, east side of trail, on ridge-top east of stream. 213 Comment
  JEPS43520  Saxifraga californica Willis L. Jepson 1893-5-2 13478 Napa summit of New Pope Valley Grade (at Pinnacles Calistoga); Napa River Basin, New Pope Valley Grade Comment
  JEPS944  Scandix pecten-veneris W. L. Jepson 1893-1 14242 Napa Napa Valley, Oak Knoll Oak Knoll; Napa Valley, Oak Knoll Comment
  RSA121050  Schedonorus arundinaceus Glenn R. Hall 1956-4-23 s.n. Napa Napa. Comment
  RSA769185  Schoenoplectus maritimus L. Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  HSC10894  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  RSA170259  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UC1746021  Scribneria bolanderi Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2772 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  OBI9233  Scrophularia californica R. L. Hoover 1968-4-20 52 Napa Howell Mtn Rd, 2.6 mi NE of State Rts 29/128, on E side of rd Comment
  JEPS110740  Scrophularia californica subsp. floribunda Jake Ruygt 1981-4-22 998 Napa American Canyon east of Flosden Rd. 18 Comment
  UCD20735  Scutellaria californica Ellen Dean; w/ Mark Bibbo 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. 190 Comment
  CAS-BOT-BC63838  Sedum spathulifolium Betty H. Johnson 1958-6-15 617 Napa Near St. Helena River. 6.4 mi SW of Middletown Comment
  UCD170373  Sedum spathulifolium Daniel Potter; N Khuu, K Battenberg 2016-4-30 871 Napa Knoxville Wildlife Area, along Nevada Creek. 220 Comment
  SEINET12216917  Sedum spathulifolium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -313 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  UCD19298  Selaginella James French 1970-4-17 s.n. Napa State Hwy 121, 7 mi. NE of Napa. Comment
  CAS-BOT-BC69710  Selaginella wallacei John H. Thomas 1955-5-21 5103 Napa Sarco Creek drainage, near State Highway No. 37, about 6 mi. from Napa. 274 Comment
  CAS-BOT-BC69712  Selaginella wallacei John Thomas Howell 1930-3-23 4557 Napa E. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  CAS-BOT-BC69713  Selaginella wallacei John Thomas Howell 1926-3-21 1737 Napa Old toll road to Mt. St. Helena. Comment
  UCD149720  Selaginella wallacei Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCR254842  Selaginella wallacei Greg de Nevers 1998-2-16 11137 Napa North Coast Range, Devils [Punchbowl] Falls [Bell Canyon Creek near Angwin] 320 Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 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
  UCD159909  Senecio vulgaris Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  CAS-BOT-BC240237  Setaria viridis Peter H. Raven 1952-9-14 5182 Napa Napa State Game Farm 121 Comment
  UCD167285  Sidalcea calycosa subsp. calycosa Jake Ruygt 1983-5-1 1452 Napa Suscol Ridge near PG and E substation. 22 Comment
  CAS-BOT-BC488333  Sidalcea diploscypha Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 Comment
  RSA10687  Sidalcea diploscypha Carl B. Wolf 1928-5-3 1800 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS50083  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  SBBG4683  Sidalcea diploscypha H. and M. Dearing 1939-5-2 3354 Napa near Napa Comment
  UCD167286  Sidalcea diploscypha Jake Ruygt 1996-5-19 3719 Napa Chiles Valley at east end of large meadow. 228 Comment
  JEPS110706  Sidalcea hartwegii Jake Ruygt 1985-5-18 1595 Napa west of Veteran's Home toward L. Hinman 182 Comment
  JEPS110707  Sidalcea hartwegii Jake Ruygt 1998-7-18 4099 Napa Bear Valley at pond. 646 Comment
  RSA195296  Sidalcea hartwegii Gilbert Muth 1967-5-17 674 Napa Oat Hill Road, Calistoga 244 Comment
  UC871453  Sidalcea hartwegii M. S. Jussel 1937-5-23 Napa Palisades Comment
  UCD116728  Sidalcea hartwegii T. Adams 1998-5-10 9 Napa about 3 miles up Soda Canyon Road, across the road from the 'Soda Hole. 198 Comment
  UC108903  Sidalcea hartwegii E. L. Greene Napa Napa Comment
  JEPS117023  Sidalcea keckii David Gowen 2008-5-14 918 Napa Berryessa Knoxville Rd. ca. 4.5 miles south of Knoxville Tunnel, near milepost 29. Clayey slopes above west side of Eticuera Creek. 320 Comment
  JEPS122722  Sidalcea keckii Jake Ruygt 1976-4-25 30 Napa 23.5 miles north of Pope Canyon Road on Berryessa-Knoxville River. Quad: Jericho Valley Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  UCD49174  Sidalcea keckii Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Tom Liebmann 2001-4-28 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found on NW side of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft) NW of jct with S. Decker Canyon Rd. 237 Comment
  JEPS110723  Sidalcea malviflora subsp. laciniata Jake Ruygt 1976-4-23 13 Napa .2 miles south of Oak Knoll Ave. on Silverado Trail 19 Comment
  UC161021  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  JEPS50940  Silene antirrhina W. L. Jepson 1896-6-2 Napa St. Helena , St. Helena (Napa Valley) Comment
  UCD73436  Silene coniflora Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UC1300951  Silene gallica Helen K. Sharsmith 1963-4-20 5339 Napa southern slopes Mt. Atlas (San Francisco Bay Region); , southern slopes Mt. Atlas 609 Comment
  UCD170584  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  RSA52708  Silene gallica I. L. Wiggins 1949-4-30 12074 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  UC465687  Silene gallica C. F. Sonne April 1888 2176 Napa Comment
  CAS-BOT-BC389184  Silene laciniata subsp. californica R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6673 Napa 10 mi. from Pacific Union College on Howell Mt. - Middletown road Comment
  UCD148092  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  CAS-BOT-BC74904  Sinapis arvensis Peter H. Raven 1952-5-29 4073 Napa Napa River 1 mile north of Napa. 60 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
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  UCD118612  Sisyrinchium bellum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD81442  Sisyrinchium bellum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  UCR47042  Sisyrinchium bellum J. Nevin 1987-4-12 01 Napa Coast Range, Napa. East end of Brown's Valley, 1 mi on Buhman Ave. from Brown's Valley Road 61 Comment
  CDA39472  Sisyrinchium bellum T. C. Fuller 1958-5-1 3724 Napa 2.5 miles north of Calistoga. 0 Comment
  JEPS64270  Sisyrinchium bellum Willis L. Jepson 1893-4-25 Napa w of St. Helena (trail to Beaux's Cabin); Napa River Basin Comment
  UC429224  Sisyrinchium bellum C. F. Sonne Apr. 1897 6817 Napa Napa Valley Comment
  UCD13121  Sisyrinchium bellum Jennifer Kent 1974-4-28 33 Napa Napa CO. 2 Mi. south of Calistoga, off Dutch Henry Canyon Rd., 2 mi. east of Silverado Trail. Road cut. Elevation 1800'. 548 Comment
  JEPS126042  Sisyrinchium californicum Jake Ruygt 1990-4-14 2478 Napa South end of Wooden Valley on Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCD166658  Smilax californica Jake Ruygt 2001-10-17 4339 Napa 1.3 miles NE of Trancas Street on Napa River. 6 Comment
  CDA34153  Solanum rostratum L. Ahart 2009-10-27 16494 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
  CHSC102258  Solanum rostratum Lowell Ahart 2009-10-27 16494 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
  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
  JEPS110918  Solanum rostratum Jake Ruygt 1984-6-30 1579 Napa Pope Valley Middle Rd. 195 Comment
  UCD148992  Solanum rostratum R. Breckenridge 2010-9-29 PDR 505910 4 Napa Lake Berryessa. 145 Comment
  CAS-BOT-BC156485  Solanum umbelliferum J. T. Howell 1931-4-3 6128 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  SEINET3149130  Solidago californica H. P. Chandler 1906-9-7 7117 Napa Alta Loma Ranch, Howell Mtn. 549 Comment
  CAS-BOT-BC365097  Solidago velutina subsp. californica Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  CAS-BOT-BC5578  Sparganium californicum E. L. Greene s.n. Napa Calistoga Comment
  CAS-BOT-BC390292  Spergularia macrotheca var. longistyla Alice Eastwood; John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs Comment
  CAS-BOT-BC390297  Spergularia macrotheca var. longistyla Milo S. Baker 1927-5-1 2111 a Napa Calistoga Geyser Comment
  RSA0098486  Spergularia macrotheca var. longistyla Alice Eastwood, John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs. Comment
  JEPS129151  Spergularia media var. media Jake Ruygt 1983-3-29 1398 Napa River park Boulevard and S Jefferson Street SE corner. Napa 7.5' Quad. Comment
  JEPS106586  Spergularia rubra Jake Ruygt 1978-5-7 292 Napa .5 miles south of Monticello Rd. near Mt. George 414 Comment
  UCD148847  Stachys albens Ellen Dean; Diana Hickson 2014-4-29 8150 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 462 Comment
  UCD168557  Stachys rigida var. quercetorum 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
  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
  JEPS112632  Stachys stricta Jake Ruygt 1981-7-8 1062 Napa Bateman Creek 609 Comment
  UCD148834  Stachys stricta Ellen Dean; Diana Hickson 2014-4-29 8139 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD17986  Stellaria media Ellen Dean; with Plant Biology 102 class 2001-4-14 712 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD159903  Stephanomeria virgata Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD33550  Stephanomeria virgata subsp. pleurocarpa Beecher Crampton 1969-10-14 8520 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  JEPS123027  Stipa lemmonii Jake Ruygt 2002-4-17 4390 Napa North of Foss Valley, Atlas Peak, Vineyards (Antinori). Quad: Rutherford. Comment
  SEINET10603940  Stipa pulchra David D. Keck 1931-4-2 Keck 1004 Napa Foot of Wooden Valley grade, 4 miles Ne of Napa. Common on open, rolling slopes. 50 Comment
  JEPS106604  Streptanthus brachiatus Jake Ruygt 1983-6-12 1491 Napa Red Hill, Mt. St. Helena 670 Comment
  OBI14930  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  UCD115951  Streptanthus breweri Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties. Butts Canyon Road. Comment
  UC1198805  Streptanthus breweri var. hesperidis Joseph P. Tracy 1899-7-6 407 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC1198806  Streptanthus breweri var. hesperidis Joseph P. Tracy 1902-5-16 1488 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  HSC81869  Streptanthus glandulosus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5139 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCSB2464  Streptanthus glandulosus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa North side of canyon of Sage Creek about 3 miles east of Chiles Valley Comment
  CAS-BOT-BC87151  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Napa Range. Pope Creek Canyon, 8 miles from Monticello. Comment
  CAS-BOT-BC87159  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1958-4-19 7116 Napa About 2 miles southwest of Oakville. 152 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
  JEPS27088  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1893-5-2 13412 Napa New Pope Valley Grade from Calistoga; Napa River Basin Comment
  UC1278007  Streptanthus glandulosus subsp. glandulosus B. Crampton 1957-5-16 4043 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD170352  Streptanthus glandulosus subsp. glandulosus Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 851 Napa Just north of Nevada Creek, west, east, and south of Knoxville Wildlife Area boundaries due to indentation in the southern boundary. 392 Comment
  UCD116024  Streptanthus hesperidis Robert E. Preston 1987-5-9 556 Napa north side of Morgan Valley Road, 2.7 miles north of its junction with Pope Valley Road. [Correction from Rob Preston, 2014, north side of Knoxville-Berryessa Road, 2.7 miles north of its junction with Pope Valley Road.] 182 Comment
  CAS-BOT-BC87331  Streptanthus hesperidis Roger Raiche 1986-5-5 60209 Napa Near Yolo county line. Morgan Valley area, Reif-Rayhouse Road ca. 0.1 mile west of county line. 743 Comment
  UCD161707  Streptanthus morrisonii Jake Ruygt 2010-6-21 5647 Napa east of White Point. (Coordinates converted from UTM data by label maker.) 655 Comment
  UCD75709  Streptanthus morrisonii Jake Ruygt 2008-4-12 5285 Napa About 1.5 miles northwest of Zim-Zim Falls. 530 Comment
  UC1292644  Streptanthus morrisonii subsp. elatus A. R. Kruckeberg 1947-9-3 1571 Napa outcrop on low saddle 1/4 mi w White's Point (Table Mountain Rd ca 5 mi e of Mountain Mill house, Napa-Lake Co. line) Comment
  CAS-BOT-BC269540  Symphoricarpos albus var. laevigatus Peter H. Raven 1951-8-19 3842 Napa Near Lokoya 304 Comment
  UCD38863  Symphoricarpos albus var. laevigatus Beecher Crampton 1962-10-9 6703 Napa 1.25 miles southwest Angwin. Comment
  UCD63194  Symphyotrichum chilense Jake Ruygt 2005-3-20 4703 Napa Alston Park, Dry Creek Rd., Napa. 54 Comment
  JEPS40795  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  JEPS40796  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley 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
  UC29897  Symphyotrichum spathulatum Willis L. Jepson 1893-9-21 Napa Napa City Napa River Basin Comment
  JEPS45772  Tamarix gallica W. L. Jepson 9832 Napa White Sulphur Creek; Napa Valley Comment
  UCD48198  Tamarix parviflora R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 22 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  JEPS37028  Tanacetum parthenium W. L. Jepson 1936-6-2 17601 Napa Pratt Valley, St. Helena St. Helena, Pratt Valley Comment
  UC126551  Tanacetum parthenium Harley P. Chandler Sep 7 1906-Sep 14 1906 7127 Napa Alta Loma Howell Mountain 487 Comment
  JEPS120387  Teesdalia coronopifolia Jake Ruygt 2001-3-24 4301 Napa NE of Table Rock along PG&E road. Detert Reservoir 7.5' Quad. Comment
  UCR261682  Tetrapteron graciliflorum Ann Howald 2003-4-23 2303 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  JEPS118639  Thermopsis californica var. californica B. Castro and L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. NE-facing slope ~ 15 ft SE of main channel through springs. Jericho Valley 7.5' quad. Comment
  UC1197481  Thermopsis californica var. californica Joseph P. Tracy 1899-6-19 399 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  HSC43964  Thermopsis macrophylla Robert M. Specht 1977-4-11 617 Napa Along drainage of Pocock Creek 500 Comment
  JEPS65661  Thermopsis macrophylla var. macrophylla Willis L. Jepson 1893-4-28 13585 Napa near Napa; Napa River Basin, Lower Napa Valley Comment
  SEINET7075534  Thermopsis macrophylla var. venosa A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC66496  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66514  Thysanocarpus curvipes Saichi Kawahara 1968-4-20 341 Napa 2 miles south of Pope Valley, Pope Valley-Chiles Road. 259 Comment
  CAS-BOT-BC66517  Thysanocarpus curvipes Jim Steele 1980-4-11 44 Napa Pope Valley. Cleary Reserve. 0.25 mile from entrance gate. 365 Comment
  JEPS85035  Thysanocarpus curvipes Larry Heckard and Mary Ashton 1969-5-3 2202 Napa off the Atlas Peak Rd ca 7 mi ne Napa (Mead Ranch) 457 Comment
  CAS-BOT-BC66484  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6098 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66485  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66506  Thysanocarpus curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles north of Calistoga on road to Lakeport. Comment
  JEPS54153  Thysanocarpus curvipes Willis L. Jepson 1893-5-1 27 d Napa creek bottom w Calistoga; Napa River Basin, w of Calistoga Comment
  JEPS54165  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 30 d Napa plateau n Mt. George (Upland meadows); Napa River Basin, n of Mt. George Comment
  JEPS54166  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 e Napa e St. Helena; Napa River Basin, e of St. Helena Comment
  UCD14241  Thysanocarpus curvipes Lisa McNair 1974-4-4 11 Napa At Monicello Dam on Highway 128. 243 Comment
  SEINET3165954  Thysanocarpus curvipes subsp. curvipes C. D. Bailey 2008-3-19 259 Napa East of the town of Napa along Combsville Rd. Follow onto Wild Horse Valley Rd. as Combsville Rd. comes to an end. Ca. 1 mile up Wild Horse Valley Rd. on a road cut. 183 Comment
  JEPS106587  Thysanocarpus laciniatus Jake Ruygt 1998-5-11 3963 x Napa Chiles Canyon at rock cliffs. 182 Comment
  CDA12106  Thysanocarpus radians G. F. Hrusa 1989-4-24 5962 Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. 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
  UCD48486  Torilis nodosa M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 4 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines, 100 ft. W of lat. and long. 304 Comment
  JEPS63912  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19476 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63925  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6237 Napa hills east St. Helena Comment
  JEPS63926  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6236 Napa hills e. St. Helena Comment
  UCD170448  Toxicoscordion fontanum Daniel Potter; Ninh Khuu 2017-5-14 920 Napa Knoxville Wildlife Area, along Nevada Creek. 317 Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD139843  Toxicoscordion fremontii Rolf Y. Berg 1963-3-3 s.n. Napa State Highway 37, ca. 1.5 miles south of Wooden Valley junction. Comment
  UCD139880  Toxicoscordion venenosum var. venenosum P. B. Kennedy 1929-5-23 s.n. Napa St. Helena highway to Pope Valley. Comment
  UCD166640  Trichostema lanceolatum Jake Ruygt 2004-9-4 4660 Napa Pope Valley, 0.4 mi northeast of service station. 216 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
  RSA695735  Trichostema laxum D. W. Taylor 1994-10-7 14711 Napa Butts Canyon Road 1`.2 mi S junction Snell Valley Road. 305 Comment
  RSA703  Trichostema laxum J. T. Howell 1927-8-24 686 Napa Near Walter s Spring, Napa Range. Comment
  UCD166644  Trichostema oblongum Jake Ruygt 1989-6-17 2371 Napa Bear Valley. 630 Comment
  JEPS120351  Trichostema ruygtii Jake Ruygt 2004-8-14 4644 Napa Northwest of Buzzards Roots, north end of Stags Leap. Yountville 7.5' Quad. Comment
  JEPS112610  Trientalis latifolia Jake Ruygt 1991-5-18 2685 Napa Ink Grade 329 Comment
  UCD121195  Trientalis latifolia Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7366 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 4H camp. 526 Comment
  UC1925874  Trifolium Ethel Crum 1931-1 1054 Napa Pope Valley Comment
  UCD83434  Trifolium albopurpureum Jake Ruygt 1983-4-17 1428 Napa Mt. St. Helena. 777 Comment
  JEPS106689  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1980-4-13 833 Napa Snell Valley 237 Comment
  JEPS106691  Trifolium albopurpureum var. dichotomum Jake Ruygt 1995-4-17 3427 Napa end of Niebaum Rd., Bear Canyon. 103 Comment
  UC162842  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-15 1456 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  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
  JEPS106693  Trifolium barbigerum var. barbigerum Jake Ruygt 1986-4-14 1704 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 448 Comment
  CDA10884  Trifolium bifidum G. F. Hrusa, M. Rejmanek 1993-5-15 10979 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1925870  Trifolium bifidum Ethel Crum 1931-1 1055 Napa Pope Valley Comment
  JEPS129177  Trifolium bifidum var. decipiens Jake Ruygt 2015-4-25 6083 c Napa Missimer - Snell Valley Preserve. Yountville 7.5' Quad. Comment
  JEPS65759  Trifolium bifidum var. decipiens E. K. Crum 1931-4-17 1055 b Napa 1/2 mi n P. O.; Pope Valley Comment
  JEPS106830  Trifolium campestre Jake Ruygt 1996-5-13 3671 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 310 Comment
  UC1543228  Trifolium ciliolatum Donald G. Nelson 1936-4-1 124 Napa along trail (to Green Valley Falls) Comment
  UCR146185  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa Inner North Coast Ranges, 12 miles east of Rutherford, along Hwy. 128 305 Comment
  RSA91544  Trifolium dichotomum J. T. Howell 1931-4-19 6448 Napa Conn Valley. Comment
  CDA31271  Trifolium dubium D. G. Kelch 2010-5-6 10 .177 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS106805  Trifolium dubium Jake Ruygt 1996-5-5 3640 Napa Butts Canyon Road at James Creek Road; field to SE. 210 Comment
  UCD48022  Trifolium fucatum M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 21 Napa Napa County, McLaughlin Reserve, north of Knoxvillle-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 426 Comment
  UC16802  Trifolium fucatum Jepson 1894-4-24 Napa w St. Helena (trail to Cuax's Cabin) Comment
  UCD35289  Trifolium fucatum Beecher Crampton 1955-4-7 2435 Napa 7.8 miles north of Monticello. Comment
  JEPS106812  Trifolium glomeratum Jake Ruygt 1994-5-2 3367 Napa Kirkland Ranch, NE side of HWY 29 and 12 Comment
  UCD18008  Trifolium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-28 740 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. north of jct. with South Decker Canyon Rd. 243 Comment
  CDA37354  Trifolium hirtum D. G. Kelch 2010-5-6 10 .171 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS106709  Trifolium hirtum Jake Ruygt 1982-4-29 1208 Napa Suscol Plain west of HWY 29 (221) 3 Comment
  UCD48019  Trifolium hirtum Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 33 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD69024  Trifolium hirtum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UC74979  Trifolium microcephalum C. F. Baker 1903-4-19 1994 Napa Calistoga Comment
  UCD118559  Trifolium microcephalum Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD109176  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Napa Yontville cemetery. Comment
  JEPS106716  Trifolium oliganthum Jake Ruygt 1996-4-9 3568 Napa Wontrop Wildlife Sanctuary 542 Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  UCR261631  Trifolium striatum Ann Howald 2003-4-29 2328 Napa Inner North Coast Ranges, Southern Mayacamas Mountains, c. 0.5 mile northeast of northern Carneros Valley, slope west of Buhman Court intersection with Buhman Ave. 91 Comment
  UCD48989  Trifolium subterraneum K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. E-facing slope on disturbed road cut at the top of South Decker Canyon Rd. just below jct with Decker Ridge Rd. 350 Comment
  UCD170428  Trifolium tomentosum Daniel Potter; Daniel McNair 2016-4-23 921 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UC160935  Trifolium variegatum Joseph P. Tracy 1902-5-17 1525 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mtn 457 Comment
  UCD109419  Trifolium variegatum Helen K. Sharsmith 1963-4-20 5329 Napa Kelly Road, 4 miles south of Napa. 45 Comment
  UCD83432  Trifolium variegatum Jake Ruygt 1991-5-11 2657 Napa Aetna Springs, 0.5 mi W of golf course. 310 Comment
  SBBG115724  Trifolium variegatum B. Crampton 1962-5-8 6414 Napa 2 mi N of Calistoga, Myrtledale Hotsprings meadow Comment
  POM313549  Trifolium variegatum var. melananthum P. B. Kennedy 1928-5-13 10146 Napa Napa to Sonoma highway 3 miles W. of Napa. Comment
  CDA31273  Trifolium willdenovii D. G. Kelch 2010-5-6 10 .184 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS129018  Trifolium willdenovii Jake Ruygt 2016-5-7 6238 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS4145  Trifolium willdenovii Willis L. Jepson 1893-5-2 13673 Napa e Calistoga (Pope Valley grade); Napa River Basin Comment
  UCD17969  Trifolium willdenovii Ellen Dean; Kate Mawdsley 2001-4-9 688 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UC1300876  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa along Silverado Trail (hillsides) Comment
  UC16735  Trifolium willdenovii Willis L. Jepson 1893-5-1 Napa Knights Valley grade at divide Napa River Basin Comment
  UCD109894  Trifolium willdenovii R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  RSA10656  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1928-5-3 1833 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  RSA195320  Trillium chloropetalum var. chloropetalum Gilbert Muth 1967-5-19 689 Napa Milliken Dam. 335 Comment
  UCD123379  Triphysaria eriantha D. C. Finfrock 1950-4-6 22 Napa 14 miles from Monticello and 3 miles from Pope Valley. Comment
  UC194178  Triphysaria eriantha subsp. eriantha C. F. Sonne April 1896 Napa near Napa Junction; near Napa Junction Comment
  CDA10904  Triphysaria pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 11000 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD78099  Triphysaria pusilla Robert E. Preston 2005-3-10 2316 Napa Mouth of Long Canyon 312 Comment
  JEPS3976  Triphysaria pusilla Willis L. Jepson 1893-4-25 21410 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, lower hillsides Comment
  JEPS110676  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1996-4-20 3618 Napa Jameson Canyon Vineyards entry road. 57 Comment
  JEPS110677  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1978-4-30 282 Napa .1 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS64207  Triteleia hyacinthina Elizabeth Ferguson 1920-5-15 347 Napa e Howell Mountain (Pope Creek); e of Howell Mountain, Pope Creek Comment
  CAS-BOT-BC526509  Triteleia laxa David D. Keck 1933-5-29 2367 Napa Pope Creek bridge south of Walters Springs. Comment
  RSA0009491  Triteleia laxa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCSB826  Triteleia laxa Keator, Glenn 1958-6-16 Napa Just east of Lake Hennessy, Napa range Comment
  JEPS110925  Triteleia lugens Jake Ruygt 1998-5-18 3975 Napa north of Mt. Vaca 822 Comment
  IRVC27660  Triteleia peduncularis Robert F. Hoover 1938-6-8 3541 Napa S Fork of Butts Creek. Comment
  UC1561245  Triteleia peduncularis Barbara Ertter with Annetta Carter 1989-5-28 8515 Napa 2 mi se Lake Co. line (on Berryessa Rd., near Knoxville) 609 Comment
  UC618198  Triteleia peduncularis R. F. Hoover 1938-6-8 3541 Napa South Fork of Butts Creek Comment
  UCD139363  Triteleia peduncularis Beecher Crampton 1957-6-4 4104 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD160647  Triteleia peduncularis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8733 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  CAS-BOT-BC527962  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa Slopes above Capell Creek, north end of Capell Valley Comment
  HSC103515  Triteleia peduncularis Thomas W. Nelson, Jane Nelson 1981-6-22 6504 Napa Along Cedar Creek, just upstream from road crossing 549 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
  CDA15406  Umbellularia californica G. F. Hrusa 1997-2-3 13619 Napa North Coast Biodiversity Arena; Slopes on SW margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Comment
  UCR12034  Umbellularia californica Coleta A. Lawler 1964-3-24 15 Napa Redwood Road, just west of junction with Browns Valley Road. 8 Comment
  CAS-BOT-BC381964  Uropappus lindleyi J. Clausen 1935-5-23 1072 m Napa Howell Mountain, near summit, 6.5 mi. N. of St. Helena Comment
  HSC81865  Uropappus lindleyi Thomas W. Nelson, Jane P. Nelson 1980-5-3 5144 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD170805  Uropappus lindleyi 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD170833  Uropappus lindleyi 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
  UCD18100  Uropappus lindleyi Ellen Dean; with PLB 102 class 2000-4-29 756 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
  UCD21546  Uropappus lindleyi B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 6 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS35682  Uropappus lindleyi W. L. Jepson 1936-5-31 17574 Napa between Toland House and Angwin (La Jota Plateau, Napa Range); Napa Range, La Jota Plateau Comment
  CAS-BOT-BC404187  Urtica dioica subsp. holosericea Dennis W. Woodland 1969-8-6 1313 Napa About 100 yards east of bridge a junction of Petrefied [Petrified] Forest Road and highway 128 1 mile north of Calistora [Calistoga] 68 Comment
  CAS-BOT-BC404292  Urtica urens Peter H. Raven 1953-4-2 5298 Napa Hills just e. of Imola 60 Comment
  CAS-BOT-BC193395  Vaccinium parvifolium Max Kruse 1948-8-7 s.n. Napa Calistoga Comment
  UC9794  Vancouveria planipetala Willis L. Jepson 1894-5-1 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  CHSC102528  Verbena lasiostachys var. lasiostachys Lowell Ahart 2009-10-27 16495 Napa Below the high water line of Lake Berryessa, about 50 yards east of Eticuera Creek, about 100 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
  JEPS115682  Verbena lasiostachys var. lasiostachys Lowell Ahart 2009-10-27 16495 Napa Below the high water line of Lake Berryessa, about 50 yards east of Eticuera Creek, about 100 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
  CHSC107512  Veronica americana M. K. Beyers; F. Favela, J. McDonnell 2009-8-29 211 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). Comment
  RSA756839  Veronica americana Barbara Ertter, Elizabeth Neese 1988-10-2 7951 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  CDA29772  Veronica catenata M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 216 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
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  UC917283  Veronica persica M. R. Wanzer 1948-5-22 27 Napa 12.5 mi w of Winters (Putah Creek Canyon); Putah Creek Canyon Comment
  SBBG3867  Vicia americana subsp. americana H. and M. Dearing 1939-5-1 3247 Napa Spring Mtn Grade Comment
  UCD167054  Vicia americana subsp. americana Jake Ruygt 1992-4-29 2919 Napa Wild Horse Valley Ranch, SW of the south pond. 448 Comment
  UC1543124  Vicia americana var. americana Charlotte G. Nast 1936-3-27 62 Napa Childs Canyon Comment
  UC162844  Vicia hassei Joseph P. Tracy 1904-5-23 2097 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  UCD48000  Vicia villosa Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 4 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD48237  Viola douglasii A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 19 Napa McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  CDA11438  Viola glabella G. F. Hrusa, M. Tu 1995-5-6 12161 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  UCD149680  Viola lobata Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  CAS-BOT-BC537072  Viola lobata R. Bacigalupi 1926-5-29 1508 Napa Just below Molly Patton's Toll house, Mt. St. Helene 701 Comment
  RSA10664  Viola lobata Carl B. Wolf 1928-5-3 1825 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC530126  Viola lobata subsp. integrifolia John Thomas Howell 1926-3-28 1766 Napa St. Helena Creek near Patten's 609 Comment
  UC1761398  Viola ocellata G. Douglas Barbe 1957-7-4 370 Napa 6.6 mi W of Napa (Redwood Rd., 0.6 mi NW of the Christian Bros. Mt. LaSalle School) Comment
  JEPS110802  Viola pedunculata Jake Ruygt 1978-3-12 235 Napa .4 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  UCD111073  Viola pedunculata David Lawfer 1952-3-29 138 Napa Napa. Comment
  CDA11440  Viola purpurea subsp. quercetorum G. F. Hrusa, M. Tu 1995-5-6 12163 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment
  JEPS110842  Viola purpurea subsp. quercetorum Jake Ruygt 1990-4-21 2495 Napa Giles Mead Ranch, Atlas Peak Rd. 441 Comment
  JEPS40253  Vitis californica Willis L. Jepson 1901-8-6 1738 a Napa St. Helena Napa River Basin Comment
  JEPS40259  Vitis californica W. L. Jepson 1936-6-2 17604 Napa banks of river near bridge on road to Sanitarium; Napa River, St. Helena Comment
  UCD102810  Vitis californica H. Popenoe 1949-6-4 30 Napa 11.5 miles from Winters, on road to Monticello. Comment
  UCD16229  Vitis californica H. Olmo; G. Ishizuka 1967-10-14 67 05 Napa California. Napa County: near 2000 Sage Canyon Road (Hwy 128). Comment