Search Results — 2000 specimen records retrieved (1460 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
  JEPS110653  Acaena pinnatifida var. californica Jake Ruygt 1982-5-8 1235 Napa canyon north of American Canyon 286 Comment
  UCD117009  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy. 128. Comment
  SEINET12766395  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy 128.; 0 Comment
  JEPS127876  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 214 Napa About 200 meters west of Butts Canyon Rd. Comment
  RSA0045564  Achillea millefolium subsp. lanulosa Keith E. Hoffmaster 1946-3-23 s.n. Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC29759  Achyrachaena mollis Peter H. Raven 1950-5-6 2021 Napa near Old Faithful Geyser, N of Calistoga 182 Comment
  POM41565  Achyrachaena mollis Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD75713  Acmispon americanus var. americanus Jake Ruygt 1986-7-12 1875 Napa Napa River, south of confluence withTulocay Cr. 1 Comment
  UCD160738  Acmispon brachycarpus Ellen Dean 2015-5-23 8790 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD18058  Acmispon brachycarpus Ellen Dean; with Plant Biology 102 class 2000-4-22 613 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD75711  Acmispon glaber Jake Ruygt 2008-6-25 4931 Napa Peak below and SW of Berryessa Peak. 762 Comment
  UCD104516  Acmispon wrangelianus Robert E. Preston 1988-4-10 584 Napa 0.3 mi SE of the confluence of Putah and Hunting Creeks, on w-facing slope. 243 Comment
  UCD35290  Acmispon wrangelianus Beecher Crampton 1955-4-7 2434 Napa Napa County; 7.8 miles north of Monticello. Comment
  SEINET201172  Adenostoma fasciculatum Lynn B. Hendrix 1962-5-5 42 Napa South end of Lake Berryessa. Comment
  UCD159946  Adenostoma fasciculatum Alice Warrick 2008-4-22 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  UCD160800  Adenostoma fasciculatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8680 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
  CDA11619  Adiantum aleuticum G. F. Hrusa, G. L. Stebbins 1994-3-11 11591 Napa North Coast Biodiversity Arena; Las Posadas State Forest, in upper canyon of Moore Creek. 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
  CDA31288  Aegilops triuncialis D. G. Kelch 2010-5-6 10 .175 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  SEINET11687432  Aegilops triuncialis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -317 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET6646612  Aesculus californica R. R. Halse 1989-5-13 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  CAS-BOT-BC29639  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1938-6-6 15842 Napa Napa Valley, between Napa City and Yountville 30 Comment
  UC29369  Agoseris grandiflora var. grandiflora Willis L. Jepson 1893-6-1 Napa road to Napa Soda Springs (?); Napa River Basin Comment
  CAS-BOT-BC22757  Agoseris heterophylla John H. Thomas 1955-5-21 5178 Napa Near state highway 128 and Capell Creek, about 12 miles E of St. Helena 274 Comment
  UCD17974  Agoseris heterophylla Ellen Dean; Kate Mawdsley 2001-4-9 693 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
  UCD63193  Agoseris heterophylla Jake Ruygt 1980-4-22 840 Napa Napa Valley, Pope Canyon Rd. 0.9 miles west of Walter Springs bridge (old). 195 Comment
  CAS-BOT-BC22749  Agoseris heterophylla Frank Walton Gould 1939-4-7 619 Napa One miles north of Knowville on road to Lower Lake 457 Comment
  POM203304  Agoseris heterophylla John T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  JEPS18236  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa near the hot springs at the airport Calistoga 91 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
  CAS-BOT-BC46057  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa Near the geysers, Calistoga 91 Comment
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD52231  Agrostis exarata Beecher Crampton 1960-5-17 5536 Napa south slopes of Conn Reservoir, 4 miles east of Rutherford. Comment
  UCD52543  Agrostis exarata Beecher Crampton 1963-9-25 6905 Napa State Hwy. 37, west slope of Howell Mtns., east of Napa. Comment
  JEPS129052  Agrostis exarata var. monolepis Jake Ruygt 2016-7-2 6288 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  POM126099  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  UCD53015  Agrostis microphylla Beecher Crampton 1962-5-8 6415 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. 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
  UCR227899  Agrostis pallens Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  CAS-BOT-BC461084  Allium amplectens M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC461090  Allium amplectens John Thomas Howell 1933-5-21 11319 Napa Hills east of Napa Comment
  UC623310  Allium amplectens H. L. Mason 1939-5-18 12102 Napa w Napa (near summit of Wooden Valley Grade); Wooden Valley Grade Comment
  UCD161509  Allium bolanderi var. bolanderi Jake Ruygt 1989-5-20 2330 Napa Monticello Road at Circle Oaks. 304 Comment
  POM252944  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  CAS-BOT-BC466764  Allium cratericola Alice Eastwood 1923-5-9 s.n. Napa Old crater, Mt. St. Helena Comment
  JEPS47616  Allium falcifolium Miss Saidee Wallace 1909-4-23 Napa Pope Valley 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
  UCR43106  Allium falcifolium L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  CAS-BOT-BC469028  Allium falcifolium David D. Keck 1933-5-29 2375 Napa 1.3 miles south of Knoxville. Comment
  CAS-BOT-BC469029  Allium falcifolium David D. Keck 1933-5-29 2375 Napa 1.3 miles south of Knoxville. Comment
  POM257226  Allium falcifolium J. Morrison, Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  RSA195377  Allium falcifolium Gilbert Muth 1967-4-16 630 Napa Snell Valley. 183 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
  UC727025  Allium fimbriatum var. fimbriatum A. A. Heller 1941-5-3 16127 Napa near the summit of the first ridge w Knoxville Comment
  JEPS110937  Allium fimbriatum var. purdyi Jake Ruygt 2003-5-5 4514 Napa Knoxsvill Wildlife Area, S of old Knoxville site 426 Comment
  UCD148572  Allium fimbriatum var. purdyi Jake Ruygt 1980-4-22 857 Napa Napa County; 0.7 mile north of Knoxville on Berryessa-Knoxville Rd. Comment
  JEPS110936  Allium lacunosum var. lacunosum Jake Ruygt 1999-5-17 4160 Napa Wild Horse Valley Ranch, near Leoma Lakes 429 Comment
  JEPS122682  Allium peninsulare var. franciscanum Jake Ruygt 2000-5-17 4254 Napa Highway 12 NW of Duhig Road on di Rosa Preserve. Quad: Napa. Comment
  RSA123628  Allium serra Milo S. Baker 1932-4-26 5969 Napa Pope Creek along road to Pope Valley. Comment
  UCD148579  Allium vineale Jake Ruygt 1986-6-20 1826 Napa Napa County; between Tulocay Creek and Imola Ave. 3 Comment
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  HSC44005  Allophyllum glutinosum Robert M. Specht 1977-4-19 694 Napa Above drainage running NE from Adams Creek. 518 Comment
  POM262798  Allotropa virgata J. C. Roos 1939-5-7 298 Napa Ink Grade near Angwin, Napa Range. Comment
  UCD117325  Allotropa virgata Gilbert Muth 1971-5-20 s.n. Napa 1/2 mile down Ink Grade Road from White Cottage Road, Angwin. Comment
  JEPS123022  Alopecurus pratensis Jake Ruygt 1998-4-18 3910 b Napa Pope Canyon Road north of Hardin Road intersection. Quad: Saint Helena. Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  UC912663  Alopecurus saccatus Herbert L. Mason 1931-4-12 5838 Napa ground s. of Napa State Hospital Napa State Hospital Comment
  UCD147459  Alopecurus saccatus Ellen Dean; Diana Hickson 2014-4-29 8072 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS115778  Amaranthus albus Lowell Ahart 2009-10-27 16473 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  UCD19922  Amaranthus albus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 777 Napa Quail Ridge Reserve. Decker Canyon, stock pond on south side of canyon, south of old buildings in pine/ oak woodland. 167 Comment
  UCD148561  Amaranthus californicus Jake Ruygt 1987-10-12 2098 Napa Napa County; Sage Canyon Rd., near edge of Lake Hennessey. 91 Comment
  UC1010754  Amaranthus californicus Peter H. Raven 1951-10-28 3944 Napa Conn Lake 152 Comment
  CAS-BOT-BC45030  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  RSA92940  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near slaughterhouse Point, Napa River. 0 Comment
  UCD112864  Amelanchier alnifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CAS-BOT-BC136743  Amelanchier utahensis Peter H. Raven 1953-4-2 5282 Napa Mt. Tulucay 365 Comment
  JEPS45495  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 b Napa Howell Mt.; Napa River Basin Comment
  JEPS85021  Amelanchier utahensis Larry Heckard and Mary Ashton 1969-5-3 2222 Napa 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd, near entrance to Mead Ranch) 457 Comment
  UC1127815  Amelanchier utahensis B. Schreiber 1936-3-5 2207 Napa 0.3 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
Read comments
Jun 12 2012
  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
  JEPS120341  Ammannia robusta Jake Ruygt 2005-10-30 4954 Napa Napa River about 100 yards north of the Pope Street bridge. Saint Helena 7.5' Quad. Comment
  JEPS16029  Ammi majus W. L. Jepson 1920-7-12 9066 Napa Salvador School n. Napa (near Napa R.) Comment
  CAS-BOT-BC177210  Amorpha californica var. napensis Peter H. Raven 1951-8-19 3845 Napa Near Lokoya 487 Comment
  CDA27221  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 2 of 3. Comment
  CDA27223  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 2 of 2. Comment
  UCD56008  Ampelodesmos mauritanicus R. Tofsrud 1941-5-1 s.n. Napa Mt. St. Helena. 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
  UCD169886  Amsinckia intermedia Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 725 Napa Knoxville Wildlife Area. 352 Comment
  JEPS61162  Amsinckia intermedia Elsa Kraeger 1926-3-27 Napa roadside near Soscol Comment
  UC1094055  Amsinckia intermedia Francia Chisaki 1954-4-15 592 Napa 2.4 mi n of crossing with Hwy #29 on Silverado Trail Comment
  UCD13131  Amsinckia intermedia Etienne and Laurie Oleksiewicz 1981-4-18 9 Napa Napa CO. On Knoxville Rd., 8.9 miles north of Pope Canyon Rd. Comment
  UCD16028  Amsinckia intermedia N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 16 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, 4.5-9 dm tall, flowers orange. Comment
  UCD170350  Amsinckia lunaris Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 849 Napa Knoxville Wildlife Area, along Nevada Creek. 452 Comment
  UCD170192  Amsinckia lycopsoides Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 765 Napa Knoxville Wildlife Area, along Zim Zim Falls trail. 279 Comment
  UCD170199  Anagallis arvensis Daniel Potter 2015-3-14 758 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 358 Comment
  UCD170834  Anagallis arvensis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD48076  Anagallis arvensis S. Olmsted; M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 03 Napa Yolo Co, 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  UCD117440  Anagallis arvensis Alan P. Godlewski 1974-5-3 16 Napa west of Lake Berryessa, 30 yards from Highway 128. Comment
  UC165850  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD128905  Ancistrocarphus filagineus Robert E. Preston 1988-4-10 579 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD18094  Ancistrocarphus filagineus Ellen Dean; with PLB 102 class 2000-4-29 750 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
  RSA393785  Ancistrocarphus filagineus J. T. Howell 1931-4-3 6129 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range. Comment
  UCD143048  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UCD20919  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UC106458  Angelica tomentosa T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  UC20797  Angelica tomentosa Willis L. Jepson Aug. 1892 Napa near St. Helena (Napa River Basin); Napa River Basin Comment
  JEPS106552  Anisocarpus madioides Jake Ruygt 1976-5-14 73 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  JEPS14069  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  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
  UC178334  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Katharine Brandegee 1910-7-26 Napa Aetna Springs Comment
  UC26386  Antirrhinum virga Willis L. Jepson 1893-9-23 Napa Mt. St. Helena; Napa River Basin Comment
  UCD17990  Aphanes occidentalis Ellen Dean; with Plant Biology 102 class 2001-4-14 716 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  JEPS84629  Apiastrum angustifolium John W. Willoughby 1977-4-20 2173 Napa Vaca Mountains, w side of Blue Ridge, near latitude of Mount Vaca (just south) Blue Ridge; Vaca Mountains, Blue Ridge 731 Comment
  JEPS104565  Apium graveolens Jake Ruygt 1981-7-19 1066 Napa Fagan's Marsh 1 Comment
  UC449669  Apocynum androsaemifolium unknown 1910-7-27 Napa near Angwin Angwin Comment
  UCD148555  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2026 Napa Napa County; Leoma Lakes 435 Comment
  JEPS104488  Apocynum cannabinum Jake Ruygt 1991-6-22 2731 Napa 4.3 miles north of stone bridge over Eti cuera Cr.;Berry-Knox. 233 Comment
  CAS-BOT-BC397793  Aquilegia formosa Betty Johnston 1958-6-15 639 Napa 1/4 the mi. above Mt. Mill House, 6.4 mil SW of Middleton Comment
  POM161354  Aquilegia formosa var. truncata Rimo Bacigalupi 1928-6-20 186 Napa Howell Mt, 10 miles W of St Helena Comment
  JEPS83480  Arabis oregana Jake Ruygt 1986-3-29 1675 Napa Hunting Creek, in Knoxville area Knoxville Comment
  CAS-BOT-BC128665  Arbutus menziesii Ira L. Wiggins 1928-3-25 2885 Napa Roadside 1 1/2 mi. N.E. of Calistoga Comment
  CAS-BOT-BC128667  Arbutus menziesii Alice Eastwood 1922-3-25 11005 Napa Calistoga Comment
  JEPS66577  Arbutus menziesii W. L. Jepson 1937-4-10 18001 Napa Howell Mountain, Adam and Eve Ridge Adam and Eve Ridge; Howell Mountain, Adam and Eve Ridge Comment
  SEINET3094065 Image available Arbutus menziesii V. R. Wandres 1967-6-26 67- 30 -1 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC1051645  Arbutus menziesii Peter Kamb, Francia Chisaki 1950-4-22 1756 Napa w side of Wooden Valley, on Cal Hwy #37 Wooden Valley 304 Comment
  UC876364  Arbutus menziesii Alice Eastwood 1922-3-25 11105 Napa Calistoga Comment
  UC1121471  Arctostaphylos A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Napa Quadrangle Comment
  SEINET11984892  Arctostaphylos Unknown 1966-1 680 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  JEPS38631  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14695 Napa first summit Napa River Basin, Mt. St. Helena Comment
  SD20479  Arctostaphylos canescens H. E. McMinn 1936-4-4 4395 Napa Ridge above R. L. Stephenson's Monument; Mt. St. Helena. Comment
  CAS-BOT-BC23953  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-10-3 2199 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC23954  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-3-21 1703 Napa Mt. St. Helena along trail to summit Comment
  CAS-BOT-BC23985  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena 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-BC23993  Arctostaphylos canescens subsp. canescens R. Bacigalupi 1926-1-2 1272 Napa Mt. St. Helena, just above toll house. 883 Comment
  CAS-BOT-BC23994  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1859 Napa Mt. St. Helena, just above toll house. Comment
  CDA11262  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11917 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  RSA182020  Arctostaphylos canescens subsp. canescens W. L. Jepson 1893-4-25 14698 Napa Aux's Knob, west of St. Helena. Comment
  UC1309703  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1936-9-20 712 Napa Mt. St. Helena Calistoga Quadrangle 609 Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena 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
  UCD148753  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5497 Napa Napa County; Archer Taylor Preserve, south of Bismark Knob. 704 Comment
  RSA10632  Arctostaphylos glandulosa subsp. cushingiana C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  SBBG33965  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  SD29176  Arctostaphylos glandulosa subsp. cushingiana C. C. Parry 1887-3-15 Napa Calistoga. Comment
  JEPS106418  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1986-3-16 1654 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 463 Comment
  UC1120193  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1936-9-20 710 Napa Mt. St. Helena Calistoga Quadrangle 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
  JEPS46407  Arctostaphylos manzanita unknown 1896-2-23 Napa Howell Mt. Comment
  POM367347  Arctostaphylos manzanita H. de Forest 1930-3-23 14613 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  CDA38702  Arctostaphylos manzanita T. C. Fuller 1962-3-27 7892 Napa Road to Lake Berryessa (Hwy 37), 3.8 miles north of Wooden Valley. 0 Comment
  CAS-BOT-BC38914  Arctostaphylos manzanita subsp. elegans J. W. Stacey 1922-3-1 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC24282  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-2-23 s.n. Napa Howell Mt. Napa River Basin. Comment
  CAS-BOT-BC24286  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-13 15495 Napa About 3 mi. n. of Calistoga on State Highway #29. Comment
  CAS-BOT-BC38761  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa Wooden Valley Grade Comment
  CAS-BOT-BC38771  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1919-9-12 s.n. Napa Napa (grade 4 miles NE) Comment
  JEPS38705  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1918-6-24 7669 Napa halfway down valley floor to Toll House; Mt. St. Helena Comment
  RSA602257  Arctostaphylos manzanita subsp. manzanita L. C. Wheeler 1952-8-30 6877 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UC1543123  Arctostaphylos manzanita subsp. manzanita Charlotte G. Nast 1936-3-27 41 Napa Putah Canyon Comment
  UC2026414  Arctostaphylos manzanita subsp. manzanita Louis C. Wheeler 1952-8-30 6877 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC43827  Arctostaphylos stanfordiana C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC43841  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CAS-BOT-BC43856  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11762 Napa Mt. St. Helena Comment
  CAS-BOT-BC43861  Arctostaphylos stanfordiana Mrs. Merrel Ackley 1962-2-1 s.n. Napa Near St. Helena Comment
  CDA11908  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11714 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  CDA11913  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-3-11 11600 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  CHSC83149  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile west of Aetna Springs. Comment
  JEPS58788  Arctostaphylos stanfordiana W. L. Jepson 1938-9-28 19041 Napa La Jota Mesa Howell Mt. Comment
  UC1303138  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa hillside between Calistoga and Franz Valley Comment
  UC571224  Arctostaphylos stanfordiana H. L. Mason 1925-1-22 1202 Napa Wooden Valley Grade Comment
  UC83380  Arctostaphylos stanfordiana C. C. Parry April 1888 Napa Calistoga Comment
  UC876543  Arctostaphylos stanfordiana Lewis S. Rose 1937-4-4 37019 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  UCR58383  Arctostaphylos stanfordiana Walter Knight, I. Knight 1980-6-14 3759 Napa Original from Mt. St. Helena (Now in Tilden Regional Park Botanic Garden) Comment
  SEINET12524559 Image available Arctostaphylos stanfordiana L. S. Rose 1935-1 35013 Napa Wooden valley grade 5 mi NE. of Napa. Comment
  JEPS120405  Arctostaphylos stanfordiana subsp. decumbens Jake Ruygt 2007-3-3 5123 Napa About 1/2 mile SE of Las Posadas Fire Station. Comment
  UCD73848  Arctostaphylos stanfordiana subsp. decumbens Ellen Dean; S. Rae 2008-5-21 4983 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 274 Comment
  JEPS106412  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1977-3-27 161 Napa Mt. St. Helena 853 Comment
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  POM172065  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree s.n. Napa 7 miles east of Napa Comment
  SBBG33933  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  CDA11905  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins 1994-4-8 11716 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  SD125709  Arctostaphylos viscida L LaPre 1985-4-24 Napa Three Peaks, 5 miles southeast of Middletown, north end of Livermore Rd., near Napa County line Comment
Read comments
Jul 28 2014
  RSA339719B  Aristolochia californica F. R. Fosberg 1967-9-10 48642 Napa Near Haven place above St Helena Comment
  SEINET11262978  Aristolochia californica Daphne K. Christopher 2003-4-12 148 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  SEINET5585704  Aristolochia californica Richard R. Halse 2013-1 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  CAS-BOT-BC400453  Aristolochia californica Laura Huffine 1929-4-1 s.n. Napa Berryessa Valley Comment
  JEPS35590  Arnica discoidea L. R. Heckard 1964-6-11 1364 Napa along Cal. 121 about 1/2 mi w of the first road summit e of Napa Comment
  UC468967  Arnica discoidea H. P. Chandler 1907-5-19 7579 Napa St. Helena , White Sulphur Spring Comment
  JEPS7805  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa hills due e of Yountville 152 Comment
  CDA2628  Arum italicum J. T. Howell 1970-3-19 46494 Napa Near Old Bale Mill 0 Comment
  UC6173  Asarum caudatum Willis L. Jepson 1893-5-8 Napa Howell Mountain, Napa River Basin Comment
  UCD148095  Asclepias cordifolia Jake Ruygt 1994-4-26 3359 Napa ridge in Pope Valley (Juliana Vineyard); north of Barnett Rd. 256 Comment
  JEPS104578  Asclepias eriocarpa Jake Ruygt 1996-7-13 3767 c Napa south of intersection Butts Can. Rd and James Cr. Rd.(Temple) 210 Comment
  JEPS49860  Asclepias eriocarpa W. L. Jepson 1917-8-16 7433 Napa Knights Valley Comment
  JEPS104499  Asclepias fascicularis Jake Ruygt 1978-8-6 388 Napa .2 miles north of Yountville exit from HWY 29, Washington St 27 Comment
  JEPS103978  Aspidotis californica Jake Ruygt 1990-12-15 2615 Napa Monticello Rd. at site of Jarvis Winery cave 341 Comment
  UC1001193  Aspidotis californica Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5339 Napa Samuels Springs to Walters Springs (n side Pope Creek) 243 Comment
  JEPS60029  Aspidotis densa W. L. Jepson 1924-4-27 10382 Napa Mt. St. Helena Comment
  UC770079  Aspidotis densa R. F. Hoover 1940-8-25 4544 Napa e side Mt St Helena Comment
  UC424857  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  UC764693  Astragalus breweri R. F. Hoover 1941-4-26 4920 Napa between Walter Springs and Pope Valley; between Walter Springs and Pope Valley Comment
  UCD75831  Astragalus breweri Jake Ruygt 1979-4-6 488 Napa 2.2 miles east of Butts Canyon Rd. on Snell Valley Rd. 195 Comment
  CAS-BOT-BC178660  Astragalus claranus D. O. Hunt 1922-4-19 s.n. Napa Near St. Helena Comment
  JEPS2754 Image available Astragalus claranus Clara A. Hunt 1909-4-8 Napa St. Helena; ; St. Helena, Napa Co. Comment
Read comments
Aug 6 2014
  JEPS54567  Astragalus clevelandii W. L. Jepson 1897-7-13 13743 Napa Butt's Canyon Comment
  RSA108878  Astragalus clevelandii H. D. Ripley, R. C. Barneby 1945-6-21 6935 Napa 3 miles north of [Etna?] springs. 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
  UCD144414  Astragalus gambelianus G. F. Hrusa; S. Larson 1995-4-10 12058 Napa Approximately 1 m. below bridge over Pope Creek, on Pope Canyon Road. 175 Comment
  RSA121722  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mile northwest of Knoxville. 610 Comment
  CAS-BOT-BC66083  Athyrium filix-femina var. cyclosorum Evelina Cannon 1901-7-13 s.n. Napa Johannisberg, on side of Mt. Veeder 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
  HSC43958  Avena barbata Robert M. Specht 1977-4-19 682 Napa Above drainage running NE from Adams Creek. 518 Comment
  UC1222975  Baccharis pilularis Joseph P. Tracy 1948-11-15 18258 Napa near, on Silverado Trail e side of Napa Valley St. Helena Comment
  HSC47480  Baccharis pilularis subsp. consanguinea Richard Spjut 1978-12-4 5259 Napa Near Lake Barryessa along Hwy. 128 Comment
  JEPS104572  Balsamorhiza sericea Jake Ruygt 1988-5-29 2189 Napa east tributary of Sensitive Plant Canyon 414 Comment
  CAS-BOT-BC16532  Barbarea orthoceras G. DeNevers 1982-3-21 1941 B Napa Napa Range Mountains. On west slope of Mount George. Comment
  UCD38368  Barbarea vulgaris Beecher Crampton 1955-4-4 2386 Napa 0.5 mile east of St. Helena, Silverado Trail. Comment
  UCR267445  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve; Hunting Creek between Hunting Creek Campground and contractor road 366 Comment
  JEPS68458  Beckmannia syzigachne W. L. Jepson 1923-6-3 9977 Napa e Yountville; Napa Valley Comment
  UCD56807  Beckmannia syzigachne B. Crampton 1954-6-25 2011 Napa 3 miles south of Calistoga. Comment
  JEPS14992  Bellardia trixago B. Schreiber 1936-3-5 2213 Napa 1 mi sw Napa; Napa Quad. Comment
  UCD18172  Bellardia trixago 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-BC75873  Berberis pinnata Alice Eastwood 1918-5-1 6869 Napa Mount Saint Helena. Comment
  UCD75842  Boechera arcuata Jake Ruygt 2003-4-22 4504 Napa about 2 miles north of Mays flat near the top of the Blue Ridge. 731 Comment
  UCD114361  Boechera breweri Robert E. Preston 1987-6-13 558 Napa S side of Hwy 128 at Monticello Dam, Lake Berryessa. 152 Comment
  UCD167619  Boechera breweri subsp. breweri Hyosig Won 2016-4-12 13952 Napa McLaughlin UC Reserve. Near old town of Knoxville. 445 Comment
  UCD161759  Boechera breweri subsp. breweri Jake Ruygt 1998-3-28 3893 Napa The Beehive, Rattlesnake Ridge. 762 Comment
  JEPS110703  Boisduvalia densiflora Jake Ruygt 1969-12-31 4117 Napa Big Ranch Road about 1/3 mile south of El Centro Ave. Napa 16 Comment
  JEPS110704  Boisduvalia glabella Jake Ruygt 1981-7-31 1084 Napa Soscol Plain 4 Comment
  UCD159930  Brachypodium distachyon Alice Warrick 2007-4-26 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43-1. 243 Comment
  JEPS18618  Brickellia californica Edw. L. Greene 1888-8-30 Napa Calistoga Comment
  UCD121153  Briza maxima Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7349 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  RSA10684  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC187258  Briza minor Louise Martin 1902-5-15 1445 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 396 Comment
  JEPS6309  Brodiaea elegans subsp. elegans W. L. Jepson 1904-6-3 2434 Napa Saint Helena to Howell Mountain Comment
  CAS-BOT-BC484200  Brodiaea elegans var. elegans Belle Richardson Jackson 1930-6-8 s.n. Napa On old toll road below Patten's Mt. St. Helena region Comment
  RSA734159  Brodiaea laxa Keith E. Hoffmaster 1946-3-23 1206 Napa Napa range, along Napa-Monticello road Comment
  JEPS5689  Brodiaea leptandra W. L. Jepson 1936-7-3 17634 Napa Four Corners Howell Mountain Comment
  UC657700  Brodiaea leptandra Milo S. Baker 1941-6-30 10158 Napa n road from Silverado Trail, along highway to Howell Mt. Comment
  CAS-BOT-BC486434  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1938-5-15 5517 Napa Myrtledale Hot Springs Comment
  RSA125806  Brodiaea terrestris subsp. terrestris Peter H. Raven 1958-5-5 10750 Napa Near the Hot Springs, Calistoga. 91 Comment
  UCD149594  Bromus Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD58297  Bromus carinatus Beecher Crampton 1956-5-25 3457 Napa Head of Markley Canyon. Vaca Mtns. Comment
  JEPS123013  Bromus carinatus var. carinatus Jake Ruygt 1990-5-16 2549 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  JEPS123014  Bromus carinatus var. carinatus Jake Ruygt 1991-4-17 2622 b Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Quad: Rutherford. Comment
  RSA10672  Bromus commutatus C. B. Wolf 1928-5-3 1817 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC155988  Bromus diandrus Peter H. Raven 1953-5-2 5360 Napa Along railroad tracks. Yountville. 76 Comment
  UCD17982  Bromus hordeaceus Ellen Dean; with Plant Biology 102 class 2001-4-14 708 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along North Decker Canyon Trail, N of trail. 182 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
  JEPS75643  Bromus laevipes W. L. Jepson 1936-5-31 17567 Napa Napa Range, Howell Mountain Howell Mountain; Napa Range, Howell Mountain Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  UCSC000048  Bromus laevipes August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena 4-5 miles South East of Middleton Comment
  UC1023567  Bromus madritensis subsp. rubens Milo S. Baker 1936-4-8 8177 Napa about 2 mi n of Knoxville Comment
  CAS-BOT-BC161830  Bromus rubens Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5333 Napa Pope Creek east of Samuels Springs. 91 Comment
  RSA128556  Bromus stamineus P. H. Raven 1953-5-2 5357 Napa Along railroad tracks, Yountville. Comment
  CAS-BOT-BC161637  Bromus sterilis G. L. Stebbins, Jr. 1953-4-19 5300 Napa Suisun Valley to Wooden Valley. 121 Comment
  JEPS123000  Bromus tectorum Jake Ruygt 1992-4-2 2875 Napa Jonson's Meadow, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UC1153821  Calamagrostis koelerioides Beecher Crampton 1957-5-16 4045 Napa above Capell Creek (n end of valley); Capell Valley Comment
  UCD57541  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa north end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UCD37684  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD48082  Calandrinia breweri M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 1 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  SEINET5726743 Image available Calandrinia ciliata Kim Page 1965-1 5 Napa Dollarhide Road, ca. 3 miles east from Pope Valley.; Pope Valley Comment
  UCR12023  Calandrinia ciliata var. menziesii Coleta A. Lawler 1964-3-24 08 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  JEPS42831  Callitriche longipedunculata Willis L. Jepson 1893-4-26 13820 Napa Near Yountville; Napa River Basin Comment
  POM169353  Calochortus amabilis Joseph P. Tracy 1902-5-15 1480 Napa Head of Moores Creek, 3-4 mi E of Angwins. 366 Comment
  UCD139481  Calochortus amabilis R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  CAS-BOT-BC488494  Calochortus amabilis John Thomas Howell 1926-3-21 1730 Napa Calistoga Road one mile below Patten's. Comment
  IRVC14005  Calochortus amabilis Mary R. J. Conrey 1976-5-21 s.n. Napa St. Helena Spring Mtn Rd. Coastal Range Comment
  RSA145271  Calochortus amabilis Simonds 1928-05 SN Napa Browns Valley. Comment
  SEINET5725020 Image available Calochortus amabilis Richard Beaver 1965-1 151 Napa on a slope with various shrubs, sandy clay soil; 10 miles north of the junction of Highway 128 with Highway 121. Comment
  UCD139473  Calochortus amabilis Alan P. Godlewski 1974-5-3 21 Napa West of Lake Berryessa. 100 yards from Highway 128. Comment
  SEINET5641956  Calochortus luteus Tera Pitman 2004-5-1 7 Napa Mclaughlin UC Reserve. Along Knoxville-Berryessa Rd. west of turn off to old town of Knoxville, north side of road, about 0.5 airline miles west southwest of site of old town of Knoxville.; 0 Comment
  CAS-BOT-BC492539  Calochortus luteus Peter H. Raven 1952-5-31 4138 Napa Summit of hill sw. Rector Canyon 304 Comment
  SEINET4169882  Calochortus luteus Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15076 Napa In Chaparral, 20 miles north of Napa Comment
  UCD160678  Calochortus superbus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8750 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  UCD166651  Calochortus superbus Jake Ruygt 1989-6-3 2356 Napa 1.1 miles south of Moscowite Corners on Monticello Rd. 240 Comment
  CAS-BOT-BC483611  Calochortus tolmiei Elizabeth Wright 1922-4-1 s.n. Napa Calistoga Comment
  UC143576  Calochortus uniflorus C. F. Baker 1903-4-19 1979 Napa Calistoga Comment
  JEPS113960  Calochortus vestae Jake Ruygt 1996-6-1 3733 Napa Highway 128 about 3/4 mile north of Turtle Rock Cafe. Chiles Valley 7.5' Quad. Comment
  UC1876231  Calycadenia fremontii Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Rd., 1.3 mi N of Hwy 128. Comment
  UC1876150  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Rds. Comment
  POM298230  Calycadenia multiglandulosa subsp. cephalotes D. D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  JEPS38539  Calycadenia pauciflora W. L. Jepson 1916-8-6 6831 Napa Howell Mt. Comment
  CAS-BOT-BC270819  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 miles S of Berryessa - Knoxville Road on Devilhead Road, Cedar Valley Comment
  CAS-BOT-BC270820  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 0.25 mile W of Berryessa - Knoxville Road on Highway 128 Comment
  CAS-BOT-BC270822  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake County line on Morgan Valley Road, 125 yards N of road Comment
  CAS-BOT-BC270836  Calycadenia pauciflora H. M. Hall 1924-10-10 s.n. Napa From seeds gathered in northern part of county Comment
  JEPS38579  Calycadenia pauciflora W. L. Jepson 1891-9-21 Napa Miller Canon Vaca Mts. Comment
  POM180990  Calycadenia pauciflora J. T. Howell 1930-10-19 5626 Napa 5 miles north of Aetna Spring near Napa-Lake County line Comment
  UC1195667  Calycadenia pauciflora A. R. Kruckeberg 1947-6-15 1491 Napa .7 mi w, on Knoxville-Lower Lake Road Knoxville Comment
  UCD129909  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mile northwest of Knoxville on Morgan Valley Road. 457 Comment
  UCD161581  Calycadenia pauciflora Jake Ruygt 2007-6-21 5226 Napa Las Posadas State Forest, north of Recreation Flat. Comment
  JEPS120378  Calycadenia truncata Jake Ruygt 2004-7-31 4634 Napa Buzzards Roost, east of Stags Leap Comment
  CAS-BOT-BC271527  Calycadenia truncata subsp. truncata L. R. Abrams 1916-7-2 5762 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC271565  Calycadenia truncata subsp. truncata Alice Eastwood 1918-9-3 7955 Napa Mt. St. Helena Comment
  CAS-BOT-BC271574  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271567  Calycadenia truncata subsp. truncata John Thomas Howell 1929-10-26 4533 Napa 1/2 mile north of Yountville Comment
  JEPS40320  Calycanthus occidentalis Willis L. Jepson Jul 1894 Napa Mt. St. Helena Comment
  RSA456155  Calycanthus occidentalis B. C. Templeton 1957-6-26 s.n. Napa About 1.1 miles E of Calistoga. Comment
  UCD67989  Calycanthus occidentalis Becky Wilson 1973-5-31 92 Napa Along Road 121. In an oak woodland plant association, near a stream. Flower, orange-red. Comment
  UCR44917  Calycanthus occidentalis L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  UCR74386  Calycanthus occidentalis G. Fred Hrusa 1988-5-12 5601 Napa North Coast Range, Pope Creek, c. 2 mi east of jct of Pope Valley Rd. and Chiles Valley Rd. 244 Comment
  SEINET8690276 Image available Calycanthus occidentalis Marion Ownbey, Ruth P. Ownbey 1938-7-9 1700 Napa 6 mi NE of Napa Comment
  JEPS100896  Calystegia collina subsp. oxyphylla Dean W. Taylor 1998-5-14 16439 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UC1965405  Calystegia occidentalis R. K. Brummitt, B. Ertter and J. A. Ruygt 2012-6-16 22058 Napa Napa City, Alston Park near Dry Creek Road Comment
  UCD126156  Calystegia occidentalis Jack Major 1961-6-13 544 Napa Monticello Dam, State Highway 128. Comment
  UC23153  Calystegia purpurata Willis L. Jepson 1894-5-3 Napa St. Helena , St. Helena (Napa River Basin) Comment
  JEPS31634  Calystegia purpurata W. L. Jepson 1938-5-24 18854 Napa betw. Sanitarium and Four Corners (Howell Mtn.); , betw. Sanitarium and Four Corners Comment
  RSA52706  Calystegia purpurata I. L. Wiggins 1949-4-30 12080 Napa Along old toll road between Calistoga and Middletown. Comment
  CAS-BOT-BC224629  Calystegia purpurata subsp. purpurata Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak, Napa Range Comment
  JEPS106401  Calystegia purpurata subsp. purpurata Jake Ruygt 1986-4-5 1682 a Napa north of Elkhorn Peak on county line 458 Comment
  UCD161221  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1981-5-13 1023 Napa American Canyon, 0.3 miles east of Flosden Road. (Note from label maker: the township/range data provided with this record does not agree with the location. Record was georeferenced according to location data) 164 Comment
  JEPS31722  Camissonia contorta Willis L. Jepson 1893-6-26 14478 Napa Howell Mt. Napa River Basin Comment
  HSC43955  Camissonia ignota Robert M. Specht 1977-4-19 697 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS33762  Camissoniopsis hirtella W. L. Jepson 1936-5-31 17569 Napa between Toland House and Angwin; Napa Range, Howell Mt., La Jota Plateau, La Jota Comment
  UCSC009032  Campanula angustiflora Dylan M. Neubauer 2015-4-26 134 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UC1199191  Cardamine californica Joseph P. Tracy 1902-5-17 1529 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 426 Comment
  UC583409  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa 4 mi n Calistoga (Mayacama Mountains, Crater Region); Mayacama Mountains, Crater Region, n of Calistoga Comment
  SEINET3165956  Cardamine californica var. californica C. D. Bailey 2008-3-19 258 Napa East of the town of Napa along Combsville Rd. Right turn onto Green Valley Rd. and ca. 1 mile up Green Valley Rd. Small population on uphill side of the rd (NW). More populations growing along Wild Horse Valley Rd. a short distance away. 122 Comment
  UCR115091  Cardamine californica var. integrifolia G. Fred Hrusa, G. L. Stebbins 1994-3-11 11597 Napa Las Posadas State Forest, Immediately east of fire station in upper drainage of Moore Creek. 450 Comment
  POM369327  Cardamine californica var. integrifolia Dr H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. Comment
  JEPS106834  Cardamine californica var. sinuata Jake Ruygt 1979-4-14 510 Napa Aetna Springs Extension Road 475 Comment
  UCD35854  Carduus pycnocephalus Beecher Crampton 1965-5-13 7337 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  CAS-BOT-BC17797  Carex amplifolia Hugh Leech 1972-11-6 s.n. Napa Napa Range. 2.5 miles north of Angwin. Comment
  UC50828  Carex amplifolia J. P. Tracy 1902-5-21 1606 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  CDA37916  Carex barbarae D. G. Kelch 2010-5-6 10 .165 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD161335  Carex barbarae Jake Ruyget 1982-6-29 1341 Napa Napa County : 0.6 miles south of Yountville on Highway 29. (Coordinates estimated by label maker at UC Davis). 22 Comment
  CAS-BOT-BC18903  Carex densa J. W. Stacey 1933-5-15 s.n. Napa Howell Mountain. Comment
  CAS-BOT-BC35070  Carex densa Peter H. Raven 1951-5-26 2868 Napa 0.3 mile from Lokoya Lodge to Napa. 365 Comment
  CAS-BOT-BC18904  Carex densa Wilhelm Nikolaus Suksdorf 1913-7-28 698 Napa North of Napa. Comment
  CAS-BOT-BC35073  Carex densa Peter H. Raven 1952-5-31 4115 Napa Conn Creek east of Yountville. 45 Comment
  CAS-BOT-BC35074  Carex densa Peter H. Raven 1950-5-6 2019 A Napa Near Rt. 29, on Old Faithful Geyser road 2 miles north of Calistoga. Comment
  JEPS121325  Carex feta Jake Ruygt 1986-4-5 1680 Napa south side of Suscol Creek on ridge Comment
  UCD161789  Carex lyngbyei Jake Ruygt 1999-7-3 4192 Napa end of Green Island Road at river. 2 Comment
  UCD168526  Carex multicostata Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CAS-BOT-BC119514  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  JEPS121336  Carex nudata Jake Ruygt 1984-3-20 1506 Napa Bear Canyon Comment
  JEPS63673  Carex nudata W. L. Jepson 1920-7-12 9070 Napa upper Chiles Creek below old mill; Napa Range, Chiles Creek Comment
  UCD161570  Carex nudata Jake Ruygt 2006-4-29 5004 Napa mixed evergreen forest. 640 Comment
  HSC103668  Carex serratodens Thomas W. Nelson, Jane Nelson 1981-4-14 6369 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 Comment
  UCD161615  Carex subbracteata Jake Ruygt 2002-4-15 4391 Napa north of Foss Valley, Atlas Peak Vineyards (Antinori). 448 Comment
  UCD161694  Carex subbracteata Jake Ruygt 2010-4-19 5509 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  CAS-BOT-BC116769  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa Crater Region E of Palisades. 762 Comment
  UCD161640  Carex subfusca Jake Ruygt 2005-5-11 4831 Napa Cub Valley, south of Bear Valley. (Coordinates converted from UTM data by label maker.) 664 Comment
  UCD95689  Carex subfusca Ellen Dean; with Clare Loughran 2011-5-20 7035 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  CAS-BOT-BC116771  Carex subfusca Lewis Samuel Rose 1935-6-4 35206 Napa Moist open E slopes of Mt. St. Helena. Comment
  UCD161359  Carex tumulicola Jake Ruygt 1988-4-11 2148 a Napa Ridge between American Canyon and Newell Canyon. (Coordinates estimated by label maker at UC Davis). 140 Comment
  UCD161360  Carex tumulicola Jake Ruygt 1988-5-1 2172 Napa Swartz Creek near Cleary Reserve. (Coordinates estimated by label maker at UC Davis). 292 Comment
  UCD73522  Carex tumulicola Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS25924  Carex tumulicola W. L. Jepson 1915-4-23 6242 Napa base of foothills, St. Helena St. Helena Comment
  UCD161735  Carex tumulicola Jake Ruygt 2010-5-15 5504 -x Napa Las Posadas State Forest, south side of Moore Creek near Recreation Flat. 384 Comment
  UCD164754  Carex tumulicola Jake Ruygt 2014-5-19 5949 Napa Sutro Ranch, Atlas Peak. 722 Comment
  CAS-BOT-BC248977  Castilleja John Thomas Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range Comment
  UCD122178  Castilleja affinis M. Wiesendanger 1927-5-4 693 Napa Monticello-Napa Rd. 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
  JEPS122742  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5796 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  JEPS88819  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7834 Napa 3 mi n Angwin (along Ink Grade Rd) Comment
  JEPS103916  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7835 Napa Near summit between Calistoga and Middletown. Comment
  OBI54929  Castilleja applegatei subsp. martinii Kathleen Faustini 1980-5-4 27 Napa Monticello dam Comment
  UCD122290  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  UCD122315  Castilleja attenuata K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  JEPS9410  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 4 Napa Napa, hills sw Napa Comment
  UCD170444  Castilleja exserta Daniel Potter; Ninh Khuu 2017-5-14 916 Napa Knoxville Wildlife Area, along Nevada Creek. 355 Comment
  UCD19866  Castilleja exserta C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1199 Napa Lower slopes of Mount St. Helena, view spot north of Calistoga, along Hwy 29. Comment
  JEPS85018  Castilleja exserta subsp. exserta Larry Heckard and Mary Ashton 1969-5-3 2226 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the meadow) 510 Comment
  JEPS110654  Castilleja foliolosa Jake Ruygt 1977-5-3 213 Napa 3.5 miles north of Monticello Rd. on Atlas Peak Rd 219 Comment
  UCD122551  Castilleja foliolosa R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD18055  Castilleja foliolosa Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 609 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  CAS-BOT-BC241282  Castilleja latifolia Peter H. Raven 1952-5-26 4071 Napa Wooden Valley Grade, (e. side) 304 Comment
  UC147875  Castilleja minor subsp. spiralis J. P. Tracy 1905-7-6 2231 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  JEPS110679  Castilleja rubicundula subsp. rubicundula Jake Ruygt 1980-6-17 923 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 633 Comment
  JEPS41078  Castilleja rubicundula subsp. rubicundula Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9099 Napa ca 7 mi se Knoxville (at the head of Devilhead Road, at center of Cedar Valley); Cedar Valley 579 Comment
  HSC44027  Caulanthus lasiophyllus Robert M. Specht 1977-4-13 649 Napa 524 Comment
  JEPS110721  Ceanothus confusus Jake Ruygt 1977-3-27 163 Napa Mt. St. Helena 944 Comment
  CAS-BOT-BC48940  Ceanothus cuneatus Alice Eastwood; John Thomas Howell 1939-6-11 7422 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC48943  Ceanothus cuneatus H. E. McMinn 1925-1-24 1392 Napa Along road from summit of Wooden Valley grade to Montecello Comment
  CAS-BOT-BC48944  Ceanothus cuneatus Frank A. Leach 1921-3-1 s.n. Napa hills back of Napa asylum Comment
  HSC18269  Ceanothus cuneatus Greg Bos 1963-3-24 69 Napa NW end of Lake Berryesa at Patrick Creek 473 Comment
  SACT002917  Ceanothus cuneatus John Willoughby 1976-6-4 Napa Collected near top of Mount Vaca, in chaparral. Young individual which germintaed following fire that occured here. Leaves toothed. Comment
  RSA0056195  Ceanothus cuneatus Keith E. Hoffmaster 1946-3-23 1225 Napa Napa range, along Napa-Monticello road. Comment
  JEPS42202  Ceanothus cuneatus var. cuneatus W. L. Jepson 1893-5-2 13987 Napa e Calistoga (Pope Valley Grade) Comment
  CAS-BOT-BC49785  Ceanothus divergens John Thomas Howell 1941-4-5 16162 Napa Franz Valley Comment
  CAS-BOT-BC49787  Ceanothus divergens John Thomas Howell 1941-4-5 16166 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49790  Ceanothus divergens Lewis S. Rose 1964-4-2 64017 Napa 2 mi. sw. of Angwin 243 Comment
  POM161253  Ceanothus divergens R. C. Bacigalupi 1926-3-28 s.n. Napa Between 1st and 3rd summit; Mt. St. Helena Comment
  POM304578  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  HSC18280  Ceanothus foliosus C. B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  RSA292971  Ceanothus foliosus Reino Alava 1957-5-30 1014 Napa along the road 2.5 miles from the town of Pope Valley on the road to St. Helena Comment
  SJSU5714  Ceanothus foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 Comment
  UC67651  Ceanothus foliosus E. L. Greene Apr 1892 Napa Mt. St. Helena Comment
  UC79969  Ceanothus foliosus Katharine Brandegee 1889-4 Napa Mt. St. Helena Comment
  POM90701  Ceanothus foliosus C. C. Parry 1881-08 s.n. Napa Calistoga. Comment
  CAS-BOT-BC50919  Ceanothus foliosus var. foliosus John Thomas Howell; Alice Eastwood 1939-6-11 7430 Napa Hills west of Calistoga Comment
  CAS-BOT-BC50923  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  CAS-BOT-BC50924  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-3 1827 Napa Base of Mt. St. Helena Comment
  UCD82599  Ceanothus foliosus var. foliosus Ellen Dean; T. Starbuck 2009-5-4 5537 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD95694  Ceanothus foliosus var. foliosus Ellen Dean; with Clare Loughran 2011-5-20 7041 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  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
  JEPS110861  Ceanothus integerrimus Jake Ruygt 1994-5-2 3365 Napa Butts Canyon Road, .2 mile north of Snell Valley Road 207 Comment
  OBI10455  Ceanothus jepsonii R. L. Hoover 1968-4-20 65 Napa Butts Cyn rd at napa-Lake cnty boundary, on E side of road Comment
  UCD112064  Ceanothus jepsonii Mrs. L. Rowntree 1930-7-15 s.n. Napa Sage Canyon. Comment
  UCD149666  Ceanothus jepsonii 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
  UCD48145  Ceanothus jepsonii R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 15 Napa Northern Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  UCR23540  Ceanothus jepsonii John C. Roos 1939-2-28 306 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CAS-BOT-BC32694  Ceanothus jepsonii var. albiflorus John Thomas Howell 1931-4-3 6147 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs, Napa Range Comment
  UCD149665  Ceanothus oliganthus 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
  SEINET4208225  Ceanothus oliganthus var. oliganthus Richard R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa.; 0 143 Comment
  CAS-BOT-BC51563  Ceanothus oliganthus var. sorediatus David D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, West base of Napa Range, 4.5 miles NE. of Napa 90 Comment
  CAS-BOT-BC51564  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-25 974 a Napa Between Wooden Valley and Monticello Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  JEPS42213  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-28 14002 Napa n Wooden Vally Grade (Tranchos Creek) Comment
  POM182687  Ceanothus oliganthus var. sorediatus D. D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  UCD112319  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 s.n. Napa Wooden Valley Grade. Comment
  UCD49124  Ceanothus oliganthus var. sorediatus S. Murphy; K. Keck and K. Dyer 2002-5-5 10 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 450m. 327 Comment
  UCD49126  Ceanothus oliganthus var. sorediatus L. Wynholds; S. Du Plessis, B. Erickson, and C. Mallek 2001-4-14 23 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd. 266 Comment
  CAS-BOT-BC47999  Ceanothus parryi Peter H. Raven 1964-5-9 19061 Napa Edge of redwood grove along dirt road 2 miels west of Aetna Springs Comment
  CAS-BOT-BC53219  Ceanothus parryi Alice Eastwood 1923-5-9 11745 Napa Calistoga Comment
  CAS-BOT-BC53223  Ceanothus parryi Alice Eastwood 1915-6-6 4657 Napa Mt. St. Helena Comment
  CAS-BOT-BC53224  Ceanothus parryi Alice Eastwood; John Thomas Howell 1939-6-11 7431 Napa Hills west of Calistoga Comment
  SD7265  Ceanothus parryi T. S. Brandegee June 1889 Napa Mt St Helena Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  UC338132  Ceanothus parryi C. C. Parry 1888-1 Napa Calistoga Comment
  UCD95981  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7070 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  SEINET12210800  Ceanothus prostratus var. occidentalis W. Knight, Knight, I. 1982-1 4670 Napa Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC52180  Ceanothus purpureus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
  CAS-BOT-BC52183  Ceanothus purpureus John Thomas Howell 1931-4-2 6067 Napa Wooden Valley Grade 5 miles East of Napa Comment
  CAS-BOT-BC52184  Ceanothus purpureus 1927-4-1 s.n. Napa unspecified Comment
  CAS-BOT-BC52195  Ceanothus purpureus Mrs. H. C. Hand 1913-6-8 s.n. Napa Napa mountains Comment
  CAS-BOT-BC83730  Ceanothus purpureus D. O. Burge; Kari B. Schroeder 2008-3-7 978 b Napa S of Lake Hennessey, 1.8 road miles (2.9 km) S of SR 128 370 Comment
  RSA676704  Ceanothus purpureus L. S. Rose 1937-4-4 s.n. Napa Gorges N of Mt. George near Napa, Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  SD143477  Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  SEINET3841331 Image available Ceanothus purpureus H. S. Reed 1939-4-16 Napa Napa Hills 213 Comment
  UC870642  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  UCD112679  Ceanothus purpureus Roman Gankin 1966-3-3 685 Napa State Highway 121, 1.9 miles southwest of its junction with Wooden Valley Road. Comment
  UCD123962  Ceanothus purpureus D. O. Burge and K. B. Schroeder 2008-3-7 978 c Napa South of Lake Hennessey, 1.8 road miles (2.9 km) south of SR 128 via unnamed road beginning directly south of the entrance to the Lake Hennessey Boat Launch Facility, 5.17 km 47 deg. (True) ENE of Oakville. 370 Comment
  UCD82601  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5539 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCSB40793  Ceanothus purpureus Haller, John 1979-5-4 Napa Mead Ranch, near Atlas Peak Road, about 5 miles (by road) north of State Highway 121 and 9 miles north of Napa 487 Comment
  SBBG50595  Ceanothus sonomensis I. Onwueme 1966-4-28 20 Napa ca. 2 mi E of Pope Valley 213 Comment
  UCD112700  Ceanothus sonomensis Heidi E. M. Dobson 1978-4-2 294 Napa East slope of Mt. Veeder. Comment
  UC1220983  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort Wragg Canyon; Vaca Mtns., Lake Berryessa Comment
  CAS-BOT-BC272112  Centaurea cyanus Peter H. Raven 1951-6-26 3051 Napa Wooden Valley Grade 121 Comment
  CDA36978  Centaurea iberica J. H. Shelgren 1976-6-3 34 Napa Putah Creek; near Lake/Napa County line. 0 Comment
  UCD130089  Centaurea solstitialis Mannix Mendoza Date Unknown 13 Napa Hwy 128, 1 mile south of Lake Berryessa. Comment
  JEPS106533  Centaurium muehlenbergii Jake Ruygt 1992-7-14 3092 Napa Yountville Ecological Reserve,Yountville Cross Rd., Napa River 27 Comment
  JEPS106534  Centaurium muehlenbergii Jake Ruygt 1995-7-12 3515 Napa about 2 miles south of Lake Hennessey on private drive (Taylor 432 Comment
  UC1746024  Centaurium venustum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2771 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC725795  Centromadia parryi subsp. parryi A. A. Heller 1927-8-26 14465 Napa Calistoga Comment
  UC89053  Centromadia parryi subsp. parryi T. S. Brandegee 1892-8-1 Napa Calistoga Comment
  UC894333  Centromadia parryi subsp. parryi Milo S. Baker 1931-7-9 5348 Napa flat near Calistoga Geyser Comment
  CAS-BOT-BC279254  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 miles north of Vallejo Comment
  JEPS110589  Cephalanthus occidentalis var. californicus Jake Ruygt 1991-7-20 2783 Napa Pope Creek at high water line of Lake Berryessa 131 Comment
  CAS-BOT-BC388229  Cerastium glomeratum Ira L. Wiggins 1928-3-25 2872 Napa 1 1/2 mi. N.E. of Calistoga Comment
  RSA195520  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  UCD145181  Cercis occidentalis Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-11 136 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation. 138 Comment
  CHSC20625  Cercocarpus betuloides Robert A. Schlising 1964-3-24 2656 Napa 5.3 mi south of Jct Oakville Grande and Mount Veeder Road. California Coast Ranges. Comment
  UCD39159  Cercocarpus betuloides Beecher Crampton 1965-6-30 7422 Napa Mt. Vaca, Vaca Mountains. 859 Comment
  CAS-BOT-BC135488  Cercocarpus betuloides var. betuloides Mrs. Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  JEPS45528  Cercocarpus betuloides var. betuloides Willis L. Jepson 1893-5-22 13868 Napa E of Calistoga (Pope Valley grade near the Palisades); Napa River Basin Comment
  UC187521  Cercocarpus betuloides var. betuloides Katharine Brandegee July 1910 Napa e of Angwin (Howell Mountain); Howell Mountain 914 Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena Comment
  CAS-BOT-BC284534  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 17933 Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC284568  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1931-4-19 6459 Napa Conn Valley Comment
  CAS-BOT-BC284571  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Comment
  CAS-BOT-BC284573  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1952-5-26 4060 Napa Nr. Walter's Springs 170 Comment
  JEPS81963  Chaenactis glabriuscula var. heterocarpha Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9093 Napa 1/2 mi se Devilhead Road (from Knoxville to Cedar Valley) (headwaters of creek); Zim Zim Creek 487 Comment
  UCD47912  Chaenactis glabriuscula var. heterocarpha A. Laffin; A. Randallm S. Holck 2002-4-13 4 Napa Napa Co, McLaughlin UC Reserve. North of Knoxville-Berryessa Road. Ca. 0.5 airline mile WSW of old town Knoxville. 437 Comment
  CAS-BOT-BC284569  Chaenactis glabriuscula var. heterocarpha David D. Keck 1933-5-29 2348 Napa Pope Creek Bridge south of Walters Springs, Pope Creek Canyon Comment
  UC615139  Chamaesyce serpyllifolia Beryl O. Schreiber 1936-9-20 2356 Napa 5 mi s Reiff 762 Comment
Read comments
Jun 14 2013
  JEPS52337  Chamaesyce serpyllifolia W. L. Jepson 1897-7-12 13930 Napa Samuels Springs, Aetna Comment
  JEPS103980  Cheilanthes covillei Jake Ruygt 1998-4-18 3924 b Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  JEPS68366  Cheilanthes gracillima L. R. Heckard 1972-6-26 3000 Napa se of lookout on peak of Mt St Helena (below radar station) 1188 Comment
  JEPS106821  Chenopodium botrys Jake Ruygt 1981-5-21 1035 Napa Putah Creek just north of Berryessa Estates 134 Comment
  JEPS106722  Chenopodium californicum Jake Ruygt 1980-3-2 816 Napa Snell Valley 176 Comment
  JEPS115848  Chenopodium pumilio Lowell Ahart 2009-10-12 16443 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 437 Comment
  CAS-BOT-BC498812  Chlorogalum pomeridianum Peter H. Raven 1952-5-31 4122 Napa Hills s.w. of Rector Canyon 152 Comment
  UCD48268  Chlorogalum pomeridianum var. pomeridianum C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 13 Napa Border of Yolo and Napa County, McLaughlin Reserve one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct.1999). 640 Comment
  UCD54265  Chlorogalum pomeridianum var. pomeridianum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 26 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD14302  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yeards inside gate, next to road; Comment
  UCD14532  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yards inside gate, next to road; Comment
  UCD167624  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 1978-6-28 370 Napa Partrick Road, 2 miles north of Browns Valley Road. 164 Comment
  CAS-BOT-BC238001  Chloropyron molle subsp. molle Peter H. Raven 1952-8-26 5138 Napa Nr. Bentley Wharf 15 Comment
  UCD81812  Chorizanthe membranacea Ellen Dean 2009-4-24 5439 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD99749  Chorizanthe membranacea K. Esau; E. Hyde 1938-5-5 s.n. Napa Napa County. Comment
  LA36522  Chorizanthe polygonoides var. polygonoides J. M. Tucker; 1965-5-15 3827 Napa E side of Devilhead Rd, Cedar Valley, ca mi (airline) S, and a little W, of Knoxville 655 Comment
  UCD159464  Cichorium intybus D. S. Park 2010-8-13 218 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  RSA95088  Cichorium intybus Joseph A. Ewan 1933-9-17 7998 Napa Vacant lot in Napa, Napa Valley Comment
  CDA1214  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
  JEPS59276  Cirsium occidentale var. venustum W. L. Jepson 1923-4-29 9890 Napa St. Helena Comment
  UC1301212  Cirsium occidentale var. venustum Helen K. Sharsmith 1962-6-3 5116 a Napa near Angwin (w slope of Mount Howell); San Francisco Bay Region, Mount Howell 487 Comment
  JEPS59182  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  CAS-BOT-BC169771  Cistanthe quadripetala John Thomas Howell 1940-5-19 15460 Napa Upper St. Helena Creek Comment
  UCD69057  Clarkia concinna P. Rodriguez-Rojo 1997-5-17 s.n. Napa Chiles and Pope Valley Rd. 200 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
  UCD18461  Clarkia concinna William Soper 1983-5-30 26 Napa 3.5 miles west of entrance to Putah Creek Public Fishing Access Rd # 3 on Hwy 128. 91 Comment
  JEPS110768  Clarkia concinna subsp. concinna Jake Ruygt 1976-5-14 72 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  UC1198513  Clarkia concinna subsp. concinna J. P. Tracy 1899-6-11 358 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 457 Comment
  UC130893  Clarkia concinna subsp. concinna Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  RSA262483  Clarkia concinna subsp. concinna Barrie Stanfield 1966-5-22 51 Napa ca. 5 miles south of Wooden Valley Comment
  UCD104543  Clarkia gracilis M. Ensign 1943-5-28 320 Napa 14 miles from Monticello on road to Lower Lake. Comment
  UC762847  Clarkia gracilis subsp. albicaulis R. F. Hoover 1938-6-8 3538 Napa South Fork of Butts Creek Butts Creek Comment
  JEPS43693  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1933-6-2 12490 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  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
  CAS-BOT-BC163694  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 2819 Napa 4 mi. to Conn Dam from Rutherford 91 Comment
  CAS-BOT-BC163828  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC163829  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4643 Napa Calistoga Comment
  JEPS110733  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1985-5-11 1592 Napa SE of corner of Butt's Canyon Rd. and Snell Valley Rd. 237 Comment
  JEPS110734  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1990-6-23 2598 Napa White Creek, Wild Horse Valley Ranch 402 Comment
  JEPS43587  Clarkia purpurea subsp. viminea W. L. Jepson 1936-7-3 17635 Napa below Four Corners; Napa Range, Howell Mt. Comment
  CAS-BOT-BC164761  Clarkia rhomboidea Peter H. Raven 1951-5-26 s.n. Napa Howell Mtn just above Pope Valley Comment
  CAS-BOT-BC165608  Clarkia unguiculata John Thomas Howell 1929-5-30 4268 Napa Pope Valley Creek near Samuels Springs, Napa Range 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
  UC1301112  Clarkia unguiculata Helen K. Sharsmith 1962-6-3 5103 Napa Napa-Soda Springs Road San Francisco Bay Region 152 Comment
  CDA12025  Claytonia exigua G. F. Hrusa 1990-3-19 7501 Napa North Coast Biodiversity Arena; Chiles Valley-Pope Valley Rd. Comment
  JEPS112618  Claytonia exigua subsp. exigua Jake Ruygt 1998-6-15 4032 Napa Mt. St. Helena, below SW peak. 1127 Comment
  JEPS43259  Claytonia exigua subsp. exigua W. L. Jepson 1900-3-10 514 Napa Howell Mt. Comment
  CAS-BOT-BC439131  Claytonia exigua subsp. exigua Ella Dales Cantelow 1939-4-8 2521 Napa 1/2 mi. n.e. of Pacific Union College, Howell Mt. Comment
  CAS-BOT-BC439374  Claytonia gypsophiloides L. R. Abrams 1928-5-3 12241 Napa Summit St. Helena Grade Comment
  HSC17749  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi. from Mt. St. Helena Inn Comment
  UC634937  Claytonia gypsophiloides H. L. Mason 1926-3-3 2716 Napa Mt. St. Helena Comment
  JEPS112601  Claytonia parviflora subsp. parviflora Jake Ruygt 1992-3-10 2850 Napa Johnson's Meadow ; Wild Horse Valley Ranch 426 Comment
  JEPS77943  Claytonia parviflora subsp. parviflora Edward Lee 1936-3-15 1802 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD100700  Claytonia parviflora subsp. parviflora G. L. Webster 1967-3-23 7497 Napa c. 1 mi S of Spanish Flat. 167 Comment
  UCD41465  Claytonia perfoliata Ellen Dean; Deborah Canington 2003-3-1 1362 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road by running stream. 182 Comment
  UCD67495  Claytonia perfoliata D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD15053  Claytonia perfoliata Joe Smilanick 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  UCD15057  Claytonia perfoliata Lorraine Clarke 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 miles by road SSW of Monticello Dam; Comment
  CAS-BOT-BC440045  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1918-5-1 s.n. Napa Mt. St. Helena Comment
  UCD117482  Claytonia perfoliata subsp. perfoliata Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UCD49148  Claytonia perfoliata subsp. perfoliata C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  CAS-BOT-BC91449  Clematis lasiantha J. M. Bigelow 1854-4-27 s.n. Napa Hillsides, Napa Valley. Comment
  UC9065  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's> Cabin Mt. St. Helena 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
  UCD95609  Clematis lasiantha Lynn B. Hendrix 1962-5-5 43 Napa South end of Lake Berryessa. Comment
  UCD95591  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11.5 miles from Winters on road to Monticello. Comment
  JEPS128914  Collinsia greenei Jake Ruygt 1980-6-17 926 Napa Sensitive plant Canyon west of Devil's head Road. Knoxville 7.5' Quad. Comment
  JEPS118638  Collinsia heterophylla B. Castro and L. P. Janeway 2002-5-12 1358 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. Jericho Valley 7.5' quad. Comment
  JEPS7321  Collinsia heterophylla Rachel Wilcox 1944-5-9 Napa Conn Valley Comment
  POM182696  Collinsia heterophylla D. D. Keck 1931-4-2 1002 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  UCD123575  Collinsia heterophylla Kamala Crompton 1996-5-12 12 Napa next to Berryessa-Knoxville Road, 1 mile of Quarry Canyon. 120 Comment
  UCD49268  Collinsia heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 22 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on South Decker Canyon Rd., between Cut-Off Rd. and Decker Ridge Rd. 228 Comment
  JEPS6355  Collinsia heterophylla Rimo Bacigalupi with L. T. Dempster and G. T. Robbins 1954-5-25 4509 Napa slopes along State Hwy 28 6.8 mi e Lake Hennessey (reservoir behind Conn Dam) 152 Comment
  RSA734135  Collinsia sparsiflora Keith E. Hoffmaster 1946-3-23 1244 Napa Napa range, along Napa-Monticello road. Comment
  UCD20036  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1202 Napa Mount Saint Helena, in area where J. M. Tucker hybridized Quercus. Comment
  JEPS6322  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-26 21334 Napa Yountville, La Lomita Yountville; Napa River Basin Comment
  JEPS77940  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3/4 mi from Rutherford (along Rutherford-Pope Valley rd) Comment
  POM204283  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Conn Valley. Comment
  UC545847  Collinsia sparsiflora var. arvensis E. Crum 1936-3-15 1736 Napa Chiles Canyon 3.4 mi from Rutherford on Pope Valley Road Rutherford; Chiles Canyon, Pope Valley Road Comment
  POM182734  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 1051 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UC1238964  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-20 837 Napa North Coast Ranges, Wooden Valley Wooden Valley; North Coast Ranges, Wooden Valley Comment
  UC1301186  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-17 5224 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC147868  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1902-5-17 1517 Napa 3-4 mi e Angwin (head of Moore's Creek); Howell Mtn, Moore's Creek 365 Comment
  UC614495  Collinsia sparsiflora var. sparsiflora L. Constance 1938-3-27 2034 Napa 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  JEPS7313  Collinsia tinctoria Willis L. Jepson 1893-6-26 21328 Napa Angwin's Meadows; Napa River Basin; Howell Mtn. Comment
  JEPS26345  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); North Coast Ranges, Napa Valley 91 Comment
  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
  UCD167220  Collomia diversifolia Jake Ruygt 1981-5-21 1038 Napa Putah Creek north of Snell Valley. 182 Comment
  UC1536741  Conyza canadensis G. H. True Jr. 1937-10-12 840 Napa roadside near Lokoya Lodge 304 Comment
  UC673560  Corallorhiza striata H. L. Mason 1926-3-22 2787 Napa near base of grade from Calistoga to Petrified Forest Comment
  JEPS75689  Cordylanthus mollis subsp. mollis Craig D. Thomsen 1976-7-27 Napa between Fagen Slough and Steamboat Slough; Napa River, Napa Marsh Comment
  UC762582  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1941-8-24 5570 Napa east side Mt. St. Helena Comment
  JEPS69349  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang and Carl Chuang 1972-7-22 7073 Napa 2 mi n St. Helena (summit of route 29) Comment
  JEPS7001 Image available Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-9 4750 Napa grade over shoulder Mt. St. Helena (road from Calistoga to Middletown, near Hanley's Resort) Comment
  JEPS62598  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 B Napa just s Napa and Lake County line (on US Hwy 29) Comment
  JEPS69350  Cordylanthus pringlei T. I. Chuang 1972-7-8 7062 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  UCR78362  Cordylanthus pringlei T. I. Chuang, F. M. Chuang 1970-8-25 6842 Napa North Coast Range, Just south of Lake County line, on U.S. Hwy 29 463 Comment
  UC761848  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa just s Lake Co. line (e side of Mt. St. Helena); Mt St. Helena Comment
  HSC90863  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa Just S of the Napa and Lake Co. line, on Hwy. 29 Comment
  UC146880  Cordylanthus tenuis subsp. brunneus Katharine Brandegee 1910-1 Napa near Angwin Comment
  UC761839  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa e side Mt. St. Helena Comment
  RSA41989  Cornus glabrata Ella Dales Cantelow 1939-5-7 2530 Napa 3.5 miles S.E. of Knoxville. Comment
  UCD47955  Cornus glabrata Ryan Knox; E. McDermott and G. Walden 2002-4-13 1 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, from Knoxville Creek's bank. 131 Comment
  UC142942  Cornus greenei Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
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Feb 20 2009
  CAS-BOT-BC209416  Cornus nuttallii John Thomas Howell 1926-10-3 2208 Napa St. Helena Creek one mile below Patten's 609 Comment
  JEPS50159  Cornus nuttallii W. L. Jepson 1924-4-27 10385 a Napa Mt. St. Helena Comment
  UC21548  Cornus sericea subsp. sericea Willis L. Jepson 1894-1 Napa Napa R. near St. Helena; Napa R. Basin, Napa R. Comment
  JEPS106939  Cotula australis Jake Ruygt 1994-3-14 3412 Napa Trancas Avenue east of Big Ranch Road 13 Comment
  CAS-BOT-BC427748  Crassula connata Peter H. Raven 1953-4-2 5242 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC427681  Crassula connata John Thomas Howell 1926-3-27 1755 Napa Soscol Comment
  JEPS117993  Crepis pulchra Zoya Akulova-Barlow 2011-5-22 Napa South of Youngtville, between Solano Avenue and rail road. Comment
  JEPS106398  Cressa truxillensis Jake Ruygt 1981-7-20 1070 Napa Fagan's Marsh 2 Comment
  UCD116514  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. 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
  UC1950066  Crypsis schoenoides Barbara Ertter with Elizabeth Neese 1988-10-2 7958 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; S side Rt 128 across from spillway Comment
  UCD145270  Crypsis schoenoides Barry Hammel 1976-5-30 455 Napa Lake Hennessy. Comment
  JEPS106700  Cryptantha hispidula Jake Ruygt 1993-4-12 3205 c Napa south of James Creek Road and Butts Cany on Road. 213 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
  UCD160721  Cryptantha hispidula Ellen Dean 2015-5-23 8773 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. 211 Comment
  RSA170234  Cryptantha hispidula Joseph P. Tracy 1950-5-23 18682 Napa Serpentine ridge near head of Moores Creek, in Las Posadas State Forest. 335 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
  UC175784 Image available Cryptantha torreyana var. calistogae Joseph P. Tracy 1904-5-23 2094 Napa hills e Calistoga; Northern Coast Ranges; hills E of Calistoga, Napa Co. 243 Comment
  SEINET10569440  Cupressus Fisher 1881-1 Fisher s.n. Napa Calistoga Comment
  UC1607977  Cupressus macnabiana Donald G. Nelson 1940-8-7 705 Napa ca. 2 mi. n.w. Knoxville (at the sign of the Manhattan Mines); Inner Coast Range Comment
  CDA10848  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11785 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 237 Comment
  RSA129447  Cupressus sargentii B. O. Schreiber 1936-9-20 2357 Napa 5 miles S of Reiff. 762 Comment
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Jun 14 2013
  RSA6530  Cupressus sargentii Elmer I. Applegate 1931-3-25 6621 Napa Near Mountain House, east base of Mt. St. Helena, northern Napa County Comment
  RSA85822  Cupressus sargentii F. W. Peirson, Mabel Peirson 1926-4-3 6623 Napa Northern edge of Napa County on Middletown Road Comment
  NY16827  Cupressus sargentii C. B. Wolf 1934-10-17 6196 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA996  Cupressus sargentii J. T. Howell 1927-8-24 691 Napa Butts Valley, Napa Range Comment
  SEINET10932814  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-17 Wolf 2152 Napa On Middletown-Calistoga Road, 90 m south of Lake County line. 455 Comment
  UCD170284  Cuscuta Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 824 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  UCD167093  Cuscuta brachycalyx Jake Ruygt 2015-7-4 6146 Napa Missimer -Snell Valley Preserve. 180 Comment
  JEPS116544  Cuscuta pentagona Jake Ruygt 2008-8-16 5366 Napa Big Ranch Road, south of El Centro Ave. Van Winden property, pond. Napa 7.5' Quad. Comment
  JEPS47144  Cuscuta subinclusa W. L. Jepson Oct 12 1894-Oct 13 1894 70 a Napa St. Helena Napa Valley Comment
  SEINET197745  Cynoglossum grande R. C. Bechtel 1952-3-16 19 Napa Putah Canyon Comment
  UCD158906  Cynoglossum grande G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  UC1177100  Cynosurus echinatus Peter H. Raven 1950-6-20 2352 Napa Howell Mountain Comment
  UCD37686  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCR30535  Cynosurus echinatus John C. Roos 1972-5-18 s.n. Napa Angwin 366 Comment
  JEPS121348  Cyperus difformis Jake Ruygt 1987-9-24 2096 Napa Marina Drive, Napa. Comment
  UC1563948  Cyperus eragrostis Barbara Ertter with Elizabeth Neese 1988-10-2 7956 Napa ca. 15 airmiles n.-n.w. Napa (Lake Hennessey, on Conn Creek, below spillway on n. side of Rte. 128); North Coast Ranges, Conn Creek 91 Comment
  UCD20706  Cyperus eragrostis Mark Bibbo 2002-7-28 76 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  CHSC107296  Cyperus erythrorhizos M. K. Byers; F. Favela, J. McDonnell 2009-8-29 218 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
  JEPS115780  Cyperus erythrorhizos Lowell Ahart 2009-10-27 16496 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  CAS-BOT-BC114361  Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa Strand of Conn Lakes 152 Comment
  JEPS121342  Cyperus erythrorhizos Jake Ruygt 1986-8-23 1904 Napa Conn Creek, west of spillway of lake. Comment
  UCD161533  Cyperus niger Jake Ruygt 1991-7-26 2800 Napa road from Johnson's Meadow to Wooden Valley Wild Horse Valley Ranch. 207 Comment
  UC1563684  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa ca 15 air mi nnw Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UC1563929  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa 15 air mi nnw of Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  RSA10647  Cystopteris fragilis C. B. Wolf 1928-5-3 1842 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS75997  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UCD37950  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Napa County, town of Pope Valley. Comment
  CHSC102261  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast 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
  JEPS129149  Delairea odorata Jake Ruygt 1981-12-26 1091 Napa 0.65 miles NE of Monte Vista on Montecito Drive. Napa 7.5' Quad. Comment
  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-BC10196  Delphinium hesperium Clara A. Hunt 1923-4-1 s.n. Napa Mts. near St. Helena Comment
  RSA149662  Delphinium hesperium Harlan Lewis, G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S of road to St. Helena 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
  UC1031406  Delphinium hesperium subsp. pallescens H. Lewis and G. Mehlquist 1941-5-9 Napa 13.4 mi n Monticello Comment
  UCD102766  Delphinium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 200 Comment
  RSA59829  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa among brush of side gulch, Sarco Creek, 5 miles above Napa Comment
  UCD96053  Delphinium nudicaule R. L. Smith 1948-5-7 s.n. Napa Samuel Springs, west of Monticello. Comment
  UC1126049  Delphinium patens A. Lewis 1932-5-13 73 Napa Calabasas Creek Napa Quadrangle 365 Comment
  CAS-BOT-BC116485  Delphinium patens subsp. patens E. Ruckert 1960-4-17 57 -408 Napa Meadow 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC116487  Delphinium patens subsp. patens P. Raven 1950-4-15 1749 Napa Wooden Valley Grade, above Napa 457 Comment
  JEPS110983  Delphinium patens subsp. patens Jake Ruygt 1999-5-8 4147 Napa Mead Ranch, near north gate. 426 Comment
  JEPS110984  Delphinium patens subsp. patens Jake Ruygt 1981-4-18 979 Napa Harris Canyon 304 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
  JEPS96762  Delphinium uliginosum Dean W. Taylor 1998-6-18 16672 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  RSA400120  Delphinium uliginosum Robert Gustafson, Don Reynolds 1983-6-7 2735 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  CAS-BOT-BC7912  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville 243 Comment
  JEPS110995  Delphinium variegatum subsp. variegatum Jake Ruygt 1996-4-13 3613 Napa south of James Creek Road across Butts Canyon Road, Pope V. 205 Comment
  RSA0110255  Delphinium variegatum subsp. variegatum E. K. Balls 1952-5-8 17117 Napa 4 miles N along Hwy 29 from jct of Hwy 28 and 29 at Woodleaf. Comment
  UC638511  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1335 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  UCD35337  Dendromecon rigida Beecher Crampton 1955-5-10 2770 Napa 6 miles south of Middletown. Comment
  CAS-BOT-BC655  Dendromecon rigida subsp. rigida Elmer Ivan Applegate 1934-3-31 8866 Napa Putah Creek region, Mayacama mountains, south of Cobb Mt. Comment
  CAS-BOT-BC656  Dendromecon rigida subsp. rigida Amos Arthur Heller 1940-6-13 15737 Napa East side of Mt. St. Helena on the rd leading to the summit just above the jctn. of the trail from the Stevenson Tablet. Comment
  SEINET10515817  Deschampsia cespitosa Peter H. Raven 1965-5-16 Raven 20210 Napa Cedar Valley, vicinity of Knoxville. Along stream in grove of Cupressus sargentii. 610 Comment
  SBBG89094  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1986-5-6 Napa Cedar Crk, 3.5 mi SW of Knoxville and ca. 0.5 air mi W of Devilhead Rd 548 Comment
  UCD170464  Deschampsia cespitosa subsp. cespitosa Daniel Potter; Ninh Khuu 2016-6-18 893 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 433 Comment
  UC1023588  Deschampsia danthonioides Virginia Bufford 1937-5-9 449 Napa Calistoga Geysers Comment
  UCD160764  Deschampsia danthonioides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8634 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD62541  Deschampsia danthonioides M. Wiesendanger 1927-5-4 669 Napa Near Monticello. Comment
  JEPS122986  Deschampsia elongata Jake Ruygt 1992-5-6 2952 Napa Mitten Lake, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UC143048  Dichelostemma capitatum C. F. Baker 1903-4-20 2612 Napa Mt. St. Helena Comment
  CAS-BOT-BC499416  Dichelostemma capitatum Peter H. Raven 1953-5-2 5388 Napa Hills due e. of Yountville 243 Comment
  UC421802  Dichelostemma capitatum H. P. Chandler 1907-5-8 7563 Napa White Sulphur Springs St. Helena Comment
  UCD139203  Dichelostemma capitatum subsp. capitatum M. Sidells 1996-4-20 12 Napa next to path, at southwest side of Lake Berryessa, 150 m norhteast of Knoxville Road. 250 Comment
  UCD159913  Dichelostemma capitatum subsp. capitatum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near Q43. 243 Comment
  UCD18070  Dichelostemma capitatum subsp. capitatum Ellen Dean; with Plant Biology 102 class 2000-4-22 625 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
  UC1094321  Dichelostemma congestum Peter H. Raven 1957-5-5 10773 Napa w edge Calistoga Comment
  JEPS110906  Dichelostemma volubile Jake Ruygt 1978-5-7 298 Napa 1.4 miles east f Spanish Flat turnoff on HWY 128 146 Comment
  UCD48784  Dichelostemma volubile S. Murphy; K. Keck and K. Dyer 2002-5-5 16 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 400 m. from intersection of West and East roads, S-side of upper road leading to power lines and tip parcels. 388 Comment
  UCD48786  Dichelostemma volubile A. Collier; D. Caterson and S. Kenady 2002-5-4 9 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 15 m. 350 Comment
  CAS-BOT-BC150364  Diplacus aurantiacus Peter H. Raven 1952-5-31 4127 Napa S.W. of Rector Canyon 152 Comment
  CAS-BOT-BC153276  Diplacus kelloggii Alice Eastwood 1915-6-6 4662 Napa Mt. St. Helena Comment
  CAS-BOT-BC153280  Diplacus kelloggii M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC153282  Diplacus kelloggii Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC153408  Diplacus layneae J. W. Stacey 1933-5-15 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC153409  Diplacus layneae Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  JEPS8807  Dipsacus fullonum W. L. Jepson 1936-5-30 17563 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  JEPS126108  Dipsacus sativus Jake Ruygt 1992-7-14 3094 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Qua. Comment
  UC3565  Disporum hookeri Willis L. Jepson 1894-5-1 Napa Napa River Basin, Rebecca Ranch Grade Napa River Basin; , Rebecca Ranch Grade Comment
  SEINET4170353  Disporum hookeri C. H. Lamoureux, J. M. Tucker , Roman Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road abd Siverado Trail Comment
  UCD64179  Distichlis spicata Beecher Crampton 1956-5-21 3445 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCD64468  Distichlis spicata A. A. Beetle 1946-5-7 4260 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  UCD49114  Dodecatheon hendersonii L. Wynholds; S. Du Plessis and B. Erickson, and C. Malleck 2001-4-14 24 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd. 266 Comment
  RSA31641  Dodecatheon hendersonii A. A. Heller 1929-3-16 s.n. Napa Grade near foot of 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
  UCD147463  Downingia Ellen Dean; Diana Hickson 2014-4-29 8076 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS106562  Downingia concolor var. concolor Jake Ruygt 1986-4-26 1733 Napa 4.5 miles northof Westgate Dr. on Atlas Peak rd. 446 Comment
  JEPS14419  Downingia concolor var. concolor W. L. Jepson 1893-4-27 21195 Napa sw of Napa City Comment
  JEPS106568  Downingia pusilla Jake Ruygt 1981-3-26 1148 Napa east of Rocktram, west of HWY 221 3 Comment
  UCD17966  Draba verna Ellen Dean; Kate Mawdsley 2001-4-9 685 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
  UC673417  Draba verna Herbert L. Mason 1926-3-14 2739 Napa Mt. St. Helena Comment
  JEPS44322  Drymocallis glandulosa var. wrangelliana Willis L. Jepson 1893-4-26 127 p Napa La Lomita at Yountville (Napa River Basin); , La Lomita at Yountville Comment
  RSA137332  Dryopteris arguta I. L. Wiggins 1957-6-18 14121 Napa Jst north of Calistoga Comment
  RSA693749  Dryopteris arguta B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  UC397024  Dryopteris arguta Dr. Goodspeed June 1929 Napa near Napa Comment
  JEPS49907  Dudleya caespitosa W. L. Jepson 1924-5-8 10418 a Napa Pope Creek 304 Comment
  UC101039  Dudleya cymosa Willis L. Jepson 1893-5-8 Napa below New Eden; Napa River Basin, Howell Mtn Comment
  JEPS106392  Dudleya cymosa subsp. cymosa Jake Ruygt 1978-5-7 296 Napa 1.4 miles NE of Spanish Flat tuurnoff on HWY 128 146 Comment
  UCD98664  Dysphania ambrosioides H. S. Reed 1948-11-6 2020 Napa Berryessa Valley. Comment
  JEPS126102  Dysphania pumilio Jake Ruygt 1991-6-29 2760 Napa 3.2 miles north of Pope Canyon Road on Barryessa-Knoxville Road. Walter Springs 7.5' Qua. Comment
  UC1131536  Echinochloa crus-pavonis B. Schreiber 1936-8-16 2325 Napa 0.8 mi s Yountville; Sonoma Quad. Comment
Read comments
Nov 19 2007
  SD131804  Echinodorus berteroi Barbara Ertter, Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey about 15 airmiles north-northwest of Napa, on Conn Creek in North Coast Ranges; east of boat-launching ramp on southeast edge 89 Comment
  UCD48497  Eleocharis macrostachya A. Collier; D. Caterson and S. Kenady 2002-5-4 2 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads, near stock pond. 320 Comment
  UCD161293  Eleocharis palustris Jake Ruygt 1978-5-15 316 Napa east end of Cunard Street, Napa. (Note from label maker: township/range given conflicts with street directions. Georeferenced according to street name). 6 Comment
  UC187095  Elymus glaucus J. P. Tracy 1902-5-21 1594 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 396 Comment
  CAS-BOT-BC203590  Elymus glaucus subsp. glaucus Peter H. Raven 1952-5-29 4087 Napa Napa River 1 mi. n. Napa 60 Comment
  CAS-BOT-BC203592  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-5-8 5046 Napa 3 miles west of Vacaville Comment
  JEPS122975  Elymus glaucus subsp. glaucus Jake Ruygt 2002-5-12 4415 Napa Southwest corner of Firefly Lane and Valle Verde Drive, Napa. Quad: Napa. Comment
  JEPS75635  Elymus glaucus subsp. jepsonii W. L. Jepson 1936-5-28 17542 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD62437  Elymus multisetus E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello-Napa road. Comment
  UCD48053  Emmenanthe penduliflora A. Haselby; M. Carson, S. Howard, P. Mayers 2000-4-29 7 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD41330  Epilobium Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 5 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  UC1198502  Epilobium campestre Joseph P. Tracy 1938-6-6 15841 Napa between Napa City and Yountville; Napa valley 30 Comment
  CAS-BOT-BC166344  Epilobium canum subsp. canum Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  RSA39634B  Epilobium canum subsp. canum P. A. Munz 1947-10-10 12215 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  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
  UC19945  Epilobium densiflorum Michener and Bioletti 1892-8-15 Napa Napa Comment
  SEINET7072772 Image available Epilobium minutum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD170662  Epilobium minutum 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD138947  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach. Comment
  JEPS103965  Equisetum telmateia Jake Ruygt 1993-3-7 3169 Napa end of Conn Valley Rd. (county road) 97 Comment
  JEPS106424  Eremocarpus setiger Jake Ruygt 1978-6-11 347 Napa 1.5 miles north of Silverado Trail on Soda Canyon Rd. 60 Comment
  JEPS106941  Ericameria linearifolia Jake Ruygt 1998-4-27 3938 Napa NE corner of the county, on Blue Ridge. 722 Comment
  UCD161573  Erigeron foliosus var. franciscensis Jake Ruygt 2006-7-3 5068 Napa Mead Ranch, west of the big barn. 481 Comment
  UCD164737  Erigeron greenei Jake Ruygt 2014-6-23 6012 Napa Sutro Ranch southeast, Atlas Peak. 731 Comment
  JEPS68365  Erigeron petrophilus var. petrophilus L. R. Heckard 1972-6-26 2999 Napa se of lookout on peak Mt. St. Helena (below radar station) 1188 Comment
  UCD63175  Erigeron petrophilus var. petrophilus Jake Ruygt 1981-7-23 1083 Napa Berryessa Peak. 914 Comment
  JEPS110830  Eriodictyon californicum Jake Ruygt 1976-4-25 27 Napa .9 mile west of Berryessa-Knoxville Rd. on Pope Canyon Rd. 219 Comment
  UC917215  Eriodictyon californicum M. R. Wanzer 1948-5-16 16 Napa 12.5 mi w Winters (Putah Canyon); Putah Canyon Comment
  UCD119248  Eriodictyon californicum Kamala Crompton 1996-4-21 2 Napa Along Road 128. 180 Comment
  UCD119296  Eriodictyon californicum Andreas Stohr 1996-4-21 2 Napa Along Road 128. 180 Comment
  UC406871  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi w, on road to Lowerlake Monticello Comment
  UC419723  Eriogonum gracile Mrs. H. P. Bracelin 1930-10-19 110 Napa near entrance Conn Creek; Sage Canyon Comment
  CAS-BOT-BC266070  Eriogonum luteolum Peter H. Raven 1951-5-20 2851 Napa Hills W. Oakville 548 Comment
  POM209841  Eriogonum luteolum S. G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains. 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
  UC6529  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UCD164784  Eriogonum luteolum var. luteolum Jake Ruygt 2009-6-18 5441 Napa Chiles-Pope Valley Rd. 286 Comment
  JEPS120426  Eriogonum luteolum var. luteolum Jake Ruygt 2010-6-19 5610 i Napa End of Cedar Creek / Pocock Creek Rd. Comment
  CAS-BOT-BC474562  Eriogonum nervulosum G. Ledyard Stebbins 1985-6-17 C 534 Napa NW of Dunnigan Hill, W of Hunting Creek, SW of Knoxville (exact location unknown; coordinates estaimated by label maker) 432 Comment
  UCD73440  Eriogonum nudum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  RSA491734  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  POM209879  Eriogonum nudum var. auriculatum S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  CAS-BOT-BC269715  Eriogonum nudum var. oblongifolium John Thomas Howell 1929-8-4 4357 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  UCD15493  Eriophyllum lanatum Fred Tulley 1984-4-28 7 Napa State Rte 29, about 5 miles north of Calistoga. 243 Comment
  JEPS106955  Eriophyllum lanatum var. achilleoides Jake Ruygt 1979-6-9 683 Napa 21.1 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 563 Comment
  POM41575  Eriophyllum lanatum var. achilleoides Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA15681  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS34583  Eriophyllum lanatum var. achilleoides Willis L. Jepson 1892-7-17 14553 Napa Knoxville ne Napa County, Knoxville Comment
  UC1536864  Eriophyllum lanatum var. arachnoideum G. H. True Jr. 1937-6-21 737 Napa near Lokoya Lodge 365 Comment
  JEPS104555  Eryngium aristulatum Jake Ruygt 1982-6-21 1333 Napa Suscol Hill (south of Rocktram) 4 Comment
  UCD164833  Eryngium jepsonii Jake Ruygt 2012-6-2 5856 Napa Butts Canyon Road, across road from James Creek Road. Comment
  UCD170371  Erysimum capitatum var. capitatum Daniel Potter; N Khuu, K Battenberg 2016-4-30 869 Napa Knoxville Wildlife Area, along Nevada Creek. 194 Comment
  UCD74391  Erysimum capitatum var. capitatum Jake Ruygt 1986-3-29 1676 Napa Hunting Creek west of Knoxville. 326 Comment
  UCSC009038  Erythranthe guttata Dylan M. Neubauer 2015-4-26 140 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  SEINET8255130  Erythranthe microphylla L. Constance 1938-3-27 2040 Napa above Wooden Valley 8 mi. ne. of Napa. e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  RSA450311  Erythronium californicum J. C. Roos 1938-4-4 1632 Napa Pacific Union College, Angwin. Comment
  CAS-BOT-BC501120  Erythronium californicum John Thomas Howell 1926-3-21 1715 Napa St. Helena Creek below Patten's 609 Comment
  CAS-BOT-BC124172  Erythronium helenae Elmer Ivan Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa County; slope just E of the Palasades on old stage road Comment
  CAS-BOT-BC133288  Erythronium helenae Elizabeth Wright 1927-3-27 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC133289  Erythronium helenae Ira L. Wiggins 1949-4-30 12092 Napa Eastern slope of Mt. St. Helena near Lake Co. line Comment
  UC672118  Erythronium helenae Herbert L. Mason 1926-3-14 2734 Napa e side of mountain Mount S. Helena, Toll House Canyon Comment
  CAS-BOT-BC402792  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402800  Eschscholzia caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC402802  Eschscholzia caespitosa David D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  CHSC79183  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon on Hwy 128. Comment
  UCD101720  Eschscholzia caespitosa Shannon M. Still 2009-4-3 418 Napa California. Napa County: Along CA-128 at mile marker 29.26. 265 Comment
  UCD48074  Eschscholzia caespitosa R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 9 Napa Border of Yolo and Napa Counties, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  CAS-BOT-BC402784  Eschscholzia caespitosa Mrs. H. C. Cantelow 1939-4-8 2513 Napa Pope Creek Rd. nr. Walter's Spring Rd. Comment
  UC1005659  Eschscholzia caespitosa Frank W. Gould 1939-4-6 606 Napa 1 mi n Knoxville (on road to Lower Lake) 457 Comment
  UCD167247  Eschscholzia caespitosa Jake Ruygt 1981-4-1 964 Napa Chimney Rock. 213 Comment
  CAS-BOT-BC403334  Eschscholzia californica E. Ruckert 1960-4-9 77 Napa 6495 Dry Creek Road, at edge of private road to property 365 Comment
  UCD95311  Eschscholzia californica Alan P. Godlewski 1974-5-3 14 Napa In foothills surrounding Lake Berryessa. Comment
  UCD95321  Eschscholzia californica David Lawfer 1952-4-28 152 Napa Napa. Comment
  RSA15683  Eschscholzia californica var. crocea Carl B. Wolf 1928-2-25 1485 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  HSC16780  Eschscholzia hypecoides Greg Bos 1963-3-24 44 Napa NW end of Lake Berryesa, at Putah Creek 168 Comment
  CAS-BOT-BC310499  Euchiton sphaericus H. Stabo 1961-10-1 s.n. Napa F. Nicholls prop., end of Mayo Lane, St. Helena Comment
  JEPS106423  Euphorbia crenulata Jake Ruygt 1987-3-14 1928 Napa Conn Dam, old city park 97 Comment
  UC17643  Euphorbia crenulata Willis L. Jepson 1894-5-1 Napa Napa River Basin; Rebecca Ranch Comment
  UCD142372  Euphorbia crenulata K. Esau 1933-4-14 s. n. Napa Calistoga, near petrified forest. Comment
  UCD142379  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1217 Napa Along State Highway 128, 5.6 miles north of its junction with State Highway 37. Comment
  UCD73509  Euphorbia lathyris Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  RSA10686  Euphorbia spathulata C. B. Wolf 1928-5-3 1801 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CHSC108741  Festuca californica B. Castro; L. P. Janeway 2002-5-12 1366 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  CHSC57559  Festuca californica J. D. Prouty 1980-6-12 Napa Roadbank of Hwy 29 ca 4.5 mi southwest of summit at R.L. Stevenson State Park. 243 Comment
  JEPS75636  Festuca californica W. L. Jepson 1936-5-28 17543 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD36939  Festuca californica Beecher Crampton 1956-5-25 3459 Napa Vaca Mountains, head of Markley Canyon. Comment
  UCD65909  Festuca californica subsp. californica W. E. Wood 1928-4-15 Napa Along road from St. Helena to Pacific Union College. Comment
  HSC26181  Festuca elmeri J. P. Smith, J. O. Sawyer 1970-5-17 3778 Napa 3 mi. S of Pope Valley Comment
  HSC9857  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  RSA125842  Festuca elmeri P. H. Raven 1957-5-5 10759 Napa Hills at western edge of Calistoga. 152 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
  UCD65922  Festuca elmeri Beecher Crampton 1970-5-14 8593 Napa 10 miles east of Rutherford. Comment
  UC187105  Festuca idahoensis J. P. Tracy 1902-5-19 1549 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  CAS-BOT-BC278836  Festuca occidentalis Peter H. Raven 1952-5-26 4052 Napa Howell Mt., (e. side) 304 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
  POM126174  Festuca occidentalis Joseph P. Tracy 1902-5-18 1544 .5 Napa Head of Moore's Creek, 3-4 miles east of Angwin's. 488 Comment
  RSA92797  Festuca rubra P. H. Raven 1951-5-20 2837 Napa West of Oakville. 91 Comment
  JEPS122736  Festuca trachyphylla Jake Ruygt 2011-6-9 5800 b Napa South side of Mt George Palmaz Vineyards. Quad: Mt. George. Comment
  RSA52710  Filago californica I. L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 mile from Calistoga Comment
  RSA132845  Filago gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville. 152 Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  UCD67543  Frangula californica subsp. tomentella D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  CAS-BOT-BC223442  Fraxinus dipetala Peter H. Raven 1952-5-26 4063 Napa Nr. Walter's [Walter] Springs 170 Comment
  UCD20732  Fraxinus dipetala Ellen Dean; w/ Mark Bibbo 2002-6-17 1096 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along ridge trail that connects Dead Man's Hill and East Road, east of junction with North Decker Canyon Rd. 350 Comment
  SEINET6694613 Image available Fraxinus dipetala Evert I. Schlinger 1952-1 69 Napa Samuel Springs, 7 miles northwest of Monticello 91 Comment
  JEPS128913  Fremontodendron californicum Jake Ruygt 1976-4-25 29 Napa 23 miles north of Pope Canyon Road on Berryessa-Knoxville Road. Knoxville 7.5' Quad. Comment
  RSA41909  Fremontodendron californicum Ella Dales Cantelow 1939-5-7 2529 Napa Just E of Napa - Lake Co line. Comment
  UC584196  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 miles S.E. of Lower Lake on the Monticello road beyond the Napa County line Comment
  POM258881  Fremontodendron californicum subsp. californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  POM169605  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  SEINET8478778  Fritillaria affinis W. Roderick 1967-3-5 s.n. Napa Butts Canyon. 457 Comment
  UC421724  Fritillaria affinis Mrs. L. W. McArthur 1930-4-3 Napa Calistoga, Oathill Road summit Calistoga; , Oathill Road Comment
  UCD37515  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa north end of Capell Valley, above Capell Creek. Comment
  CAS-BOT-BC508185  Fritillaria recurva Mrs. Clara Hunt 1921-4-1 s.n. Napa St Helena Comment
  CAS-BOT-BC508187  Fritillaria recurva Alice Eastwood 1923-4-12 s.n. Napa Soda Springs Comment
  JEPS5214  Fritillaria recurva W. L. Jepson 1924-4-27 10375 Napa e side of Mount St. Helena Mount St. Helena Comment
  UCD121558  Galium andrewsii Sergio Lailhacar 1974-4-13 8 Napa 3.9 miles northeast of Pope Canyon Road and Chiles Valley Road intersection. 243 Comment
  UCD49249  Galium boreale subsp. septentrionale L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 14 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 ft. S of the stream. 161 Comment
  JEPS110602  Galium divaricatum Jake Ruygt 1979-4-29 563 Napa end of Kortum Canyon Rd. 256 Comment
  JEPS3955  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa hills w Napa Valley (between St. Helena and Mt. St. John) 228 Comment
  UC710612  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa hills w Napa Valley (between St. Helena and Mt. St. John) 228 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
  UCSB24071  Galium mexicanum subsp. asperulum James, C. 1966-4-24 Napa Junction of State Highway 12 & 121 and Foster Road, west of Napa Comment
  UCR43199  Galium nuttallii L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  UCR225658B  Galium porrigens Ellen Dean, Stephen Rae 2008-5-21 4985 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  UCD95696  Galium porrigens var. porrigens Ellen Dean; with Clare Loughran 2011-5-20 7034 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  JEPS129075  Galium porrigens var. tenue Jake Ruygt 2016-4-2 6171 d Napa Smittle Creek NCRPOD, west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS6621  Galium porrigens var. tenue W. L. Jepson 1892-7-28 Napa Knoxville grade to Lower Lake Comment
  CDA14220  Garrya congdonii G. F. Hrusa 1997-2-3 13617 Napa North Coast Biodiversity Arena; margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~ 1/2 mi. 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
  UC21610  Garrya flavescens Willis L. Jepson 1893-5-2 Napa near Palisades (New Pope Valley grade); Napa River Basin 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-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144382  Garrya fremontii H. E. McMinn 1923-5-25 961 b Napa Summit Wooden Valley Grade. Road to Napa. Comment
  CAS-BOT-BC144413  Garrya fremontii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CDA38570  Garrya fremontii H. Stabo 1959-9-1 s.n. Napa E. St. Helena hills. 0 Comment
  CAS-BOT-BC278654  Gastridium phleoides David D. Keck 1933-5-28 2328 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  JEPS71221  Gastridium ventricosum W. L. Jepson 1936-7-3 17633 Napa Four Corners Howell Mt.; Napa Range, Howell Mt. Comment
  JEPS64794  Genista monspessulana W. L. Jepson 1923-6-3 9972 Napa a little S of Calistoga (east-side road) Comment
  RSA0028367  Geranium carolinianum Gilbert Muth 1967-4-30 662 Napa Near entrance to Snell Valley. 183 Comment
  UCD103394  Geranium dissectum M. Wiesendanger 1927-5-4 666 Napa Near Monticello. Comment
  UCD118532  Geranium dissectum Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, edge of Recreation Flat. 387 Comment
  UCD49064  Geranium dissectum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, E side of South Decker Canyon Rd., N of jct with Cut-Off Rd., along open grassy slope. 152 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
  UCR92541  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  OBI71998  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  UC1535362  Geranium purpureum Glen Holstein 1977-5-11 Napa 0.7 mi n State Highway 121 intersection with Wooden Valley Road (along State Highway 121) Comment
  UCD70477  Gilia capitata P. J. Plummer 1995-5-27 s.n. Napa Napa County Barryessa Knoxville Rd. Rocky roadside. Herbs; flowers blue-lavender. 170 Comment
  UCD68114  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road, base of Conn Dam, 1.2 miles East of intersection with the Silverado Trail. In a foothill woodland plant association, dominated by Rubus, Salix, and Quercus, on a 70 degree slope, in sandy rocky soil, in a dry area, with sunlight for half the day, growing in scattered patches in area. An herbaceous plant, 1 ft. high. Flowers, light blue. 73 Comment
  UCR202432  Gilia capitata subsp. capitata Peter L. Morrell 1993-6-6 269 Napa Coast Range, Along Hwy 29, north side of road, 1 mile south of Robert Louis Stevenson State Park, c. 3 miles north of Calistoga 146 Comment
  UC914316  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7965 Napa w slope Mt. St. Helena Comment
  CAS-BOT-BC257666  Gilia tricolor R. C. Wenk; E. S. Wenk 2006-4-30 434 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  POM203323  Gilia tricolor J. T. Howell 1931-4-4 6163 Napa Near Toll House, Mt. St. Helena Comment
  UC908451  Gilia tricolor subsp. tricolor Herbert L. Mason 1933-4-30 7224 Napa n Aetna Springs (near Napa-Lake County line); n of Aetna Springs Comment
  SEINET7072768  Githopsis pulchella A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  SEINET10464564  Githopsis specularioides Ira L. Wiggins 1949-4-30 Wiggins 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles northeast of Calistoga Comment
  CDA34678  Glinus lotoides L. Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 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
  CHSC103022  Gnaphalium luteoalbum Lowell Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD121180  Gnaphalium palustre Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7359 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 405 Comment
  CAS-BOT-BC303339  Gnaphalium palustre Peter H. Raven 1951-10-28 3942 Napa Conn Lake 152 Comment
  UC1196813  Gratiola ebracteata J. P. Tracy 1902-5-18 1532 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's, La Jota Plateau, Howell Mountain); , , La Jota Plateau 518 Comment
  UCR44911  Grindelia camporum L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  CAS-BOT-BC304890  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River 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-BC304909  Grindelia hirsutula Peter H. Raven 1951-8-21 3870 Napa Ridge s.e. of Mt. Veeder 716 Comment
  JEPS41878  Grindelia hirsutula W. L. Jepson 1894-7-19 Napa near Toll House; Mt. St. Helena Comment
  JEPS41915  Grindelia hirsutula W. L. Jepson 1936-5-31 Napa near Sanitarium; Howell Mr., Napa Range Comment
  POM359073  Grindelia hirsutula Peter H. Raven 1965-5-15 20200 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  SEINET3142699  Grindelia hirsutula M. P. Dunford 1959-10-3 556 Napa 3/4 mi. N of Samuel Springs; along Trout Creek, 100 yards S of creek mouth Comment
  JEPS120380  Grindelia hirsutula Jake Ruygt 1981-5-13 1024 Napa American Canyon, south side of canyon Comment
  SEINET181248  Grindelia hirsutula var. hirsutula Bassett Maguire, RR Maguire; C. B. Maguire 1934-6-7 15299 Napa 20 miles N of Napa Comment
  UC1112229  Hainardia cylindrica S. Galen Smith with J. Anderson 1957-6-7 2958 Napa 1.5 mi nw of Calistoga; Myrtledale Hot Springs 121 Comment
  UCD161340  Harmonia hallii Jake Ruygt 1983-5-29 1476 Napa Berryessa-Knoxville Road, 2.4 miles south of Lake County line. (Coordinates estimated by label maker at UC Davis). 597 Comment
  CAS-BOT-BC302214  Harmonia nutans M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC302226  Harmonia nutans Peter H. Raven 1953-5-2 s.n. Napa Summit of hills e. of Yountville 304 Comment
  CAS-BOT-BC302230  Harmonia nutans Brandegee 1889-4-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC302232  Harmonia nutans Alice Eastwood 1922-5-4 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC302240  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  CAS-BOT-BC302242  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  UC1199158  Harmonia nutans Joseph P. Tracy 1933-4-30 12117 Napa near Angwins (Howell Mountain); Northern Coast Ranges, Howell Mountain 457 Comment
  UC1731339  Harmonia nutans Dean W. Taylor 1998-6-23 16695 Napa Swartz Canyon North Coast Ranges, Mayacamas Mountains (headwaters, s flanks of Twin Peaks, (ca. 5 air mi w <of> Aetna Springs) 716 Comment
  UC894091  Harmonia nutans Alice Eastwood 1916-6-6 4664 Napa Mt. St. Helena Comment
  JEPS22922  Helenium bigelovii W. L. Jepson 1938-9-24 19023 Napa n of Pope Valley (in canyon of Limekiln (or James) Creek); Limekiln Creek, James Creek 304 Comment
  RSA756242  Helenium puberulum Barbara Ertter, Elizabeth Neese 1988-10-2 7955 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
  UC127186  Helenium puberulum Harley P. Chandler Sep 7 1906-Sep 14 1906 7109 Napa Alta Loma Ranch Howell Mountain 487 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
  CAS-BOT-BC314723  Helianthella californica var. californica T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  CDA13716  Helianthus bolanderi G. F. Hrusa, T. D. Wilfred 1997-7-24 14020 Napa North Coast Biodiversity Arena; Middle reaches of Butts Canyon +- 8-10 mi. SE of Middletown. Comment
  UC1177089  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 mi e Chiles Valley 304 Comment
  UCD132787  Helianthus exilis G. F. Hrusa 1993-10-3 11426 Napa 2.1 m. southwest along Knoxville-Devilhead Road from Knoxville-Berryessa Road. Comment
  UCD161782  Helianthus gracilentus Jake Ruygt 2000-6-10 4273 Napa Devilhead Road near Lone Pine Thicket. 640 Comment
  JEPS115772  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  UCD74368  Heliotropium curassavicum var. oculatum Jake Ruygt 1991-6-29 2762 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 121 Comment
  UCD161740  Heliotropium europaeum Jake Ruygt 1992-9-5 3143 Napa 0.15 mile south of Tubbs Lane on Myrtledale Road, Calistoga. 122 Comment
  JEPS40232  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UC897701  Hemizonia congesta subsp. clevelandii Milo S. Baker 1933-9-9 7542 Napa near Calistoga geyser Comment
  CAS-BOT-BC306268  Hemizonia congesta subsp. lutescens W. M. Heusi 1930-10-18 106 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-BC309834  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1926-11-28 1576 Napa American Canon [Canyon] between Napa highway and Cordelia Comment
  UC2026901  Hemizonia congesta subsp. luzulifolia David Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UCD161343  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1985-10-20 1620 Napa Napa County : 0.5 mile west of Highway 29 on Airport Road. (Coordinates estimated by label maker at UC Davis). 10 Comment
  UCD18104  Hemizonia congesta subsp. luzulifolia K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 40 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
  UCD19334  Hemizonia congesta subsp. luzulifolia M. A. Bibbo; E. Dean 2001-7-6 26 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  CAS-BOT-BC309828  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10094 Napa Region of San Francisco Bay. La Eskina, near Napa Junction Comment
  CAS-BOT-BC309844  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa Napa, Napa Valley Comment
  UC197529  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10096 Napa Collins San Francisco Bay Region Comment
  UCD161743  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1993-8-14 3286 Napa Lewelling Ranch, west of end Lewelling Lane. 79 Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. Comment
  UCD127521  Heracleum maximum Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  UC164895  Hesperevax sparsiflora var. sparsiflora J. P. Tracy 1902-5-16 1511 Napa 3-4 mi e of Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  SJSU138  Hesperocyparis sargentii Emily D. Smith 1934-8-25 Napa near head of St. Helena Creek c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  UCD110458  Hesperolinon Christopher Mallek 2008-1 KX1- 6 Napa Knoxville. 593 Comment
  CAS-BOT-BC167422  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  JEPS129091  Hesperolinon bicarpellatum Jake Ruygt 2016-4-26 6213 Napa Okin Ranch, Chilles Valley. Saint Helena 7.5' Quad. Comment
  LA47291  Hesperolinon bicarpellatum Helen Sharsmith; 1952-6-20 4145 Napa above Pope Creek ca. 0.5 mi. from Walter Springs 152 Comment
  UC1212352  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4605 Napa one fourth mile n Pope Valley (on road to Butt's Creek); Inner North Coast Ranges 243 Comment
  UC1212359  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4606 Napa 0.25 mi beyond north end of Pope Valley (near divide between Pope Valley and Butt's Canyon); Inner North Coast Ranges 259 Comment
  UC1212360  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-18 4081 Napa about 0.5 mi n Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC146227  Hesperolinon bicarpellatum Joseph P. Tracy 1905-7-6 2218 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 457 Comment
  UC1862410  Hesperolinon bicarpellatum Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  CAS-BOT-BC167446  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa S. [Cappell] Capell Valley 365 Comment
  JEPS122784  Hesperolinon breweri Jake Ruygt 1989-4-20 2334 Napa About 3/4 mile south of Monticello Dam on Vaca Mtns. QUAD: Monticello Dam. Comment
  JEPS122904  Hesperolinon breweri Adam C. Schneider 2015-5-19 934 Napa East of Monticello Rd. (CA Hwy 121) Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  JEPS112650  Hesperolinon californicum Jake Ruygt 2000-6-10 4267 Napa Berryessa-Knoxville Rd near Foley Creek. 341 Comment
  JEPS122783  Hesperolinon californicum Jake Ruygt 1990-5-12 2541 Napa Wooden Valley, north of Wooden Valley School. QUAD: Capell Valley. Comment
  JEPS122903  Hesperolinon californicum Adam C. Schneider 2015-5-19 933 Napa Along Pope Valley Rd. Comment
  UC1212437  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4074 Napa near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 289 Comment
  UC146130  Hesperolinon californicum Joseph P. Tracy 1905-7-5 2205 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  HSC101500  Hesperolinon californicum Thomas W. Nelson, Jane P. Nelson 1985-5-26 7809 Napa Along Pope and Charles Valley Rd. at milepost 6 Comment
  UC1212454  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa s side Conn Dam (slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 Comment
  JEPS112587  Hesperolinon clevelandii Jake Ruygt 1992-6-22 3047 Napa northwest of vernal pool meadow, Wild Horse V. Ranch 463 Comment
  UC1212327  Hesperolinon clevelandii Helen K. Sharsmith 1952-6-19 4144 Napa about 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC1212335  Hesperolinon clevelandii J. P. Tracy 1902-5-16 1489 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 457 Comment
  UCD110501  Hesperolinon clevelandii Kathleen Barnes 1973-6-4 61 Napa McDonald Ranch, 1/2 mile up from house, Pope Valley Road. Comment
  UCR71418  Hesperolinon clevelandii H. K. Sharsmith 1965-5-18 5519 Napa Inner North Coast Ranges, 1 mi. above Aetna Springs on mine road & c. 5 mi. beyond town of Pope Valley 305 Comment
  CAS-BOT-BC176054  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  JEPS112586  Hesperolinon disjunctum Jake Ruygt 1988-5-29 2197 Napa Cedar Valley 603 Comment
  JEPS122878  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 621 Napa Along Knoxville Devilhead Rd. just south of Knoxville Berryessa Rd. at dirt road junction Comment
  OBI22868  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  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
  JEPS122795  Hesperolinon micranthum Jake Ruygt 2005-5-14 4840 Napa West side of mouth of Long Canyon. QUAD: Knoxville. Comment
  JEPS122855  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-28 239 Napa Capell Valley Road, just southeast of intersection with Knoxville Road Comment
  UC1601249  Hesperolinon micranthum Helen K. Sharsmith 1952-6-1 4116 Napa n slope above Soda Creek (ca 2 mi se of Chiles Valley); Inner North Coast Ranges 243 Comment
  JEPS6468  Hesperolinon micranthum W. L. Jepson 1944-6-15 27532 B Napa on summit of main ridge near Old Signal Station site; Napa-Solano Counties Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. 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
  UC1212376  Hesperolinon spergulinum Helen K. Sharsmith 1951-10-21 4041 Napa 0.5 mi above Aetna Springs (near Aetna Mine); Inner North Coast Ranges 274 Comment
  OBI57147  Hesperolinon spergulinum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24505 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  RSA26399  Hesperolinon spergulinum J. T. Howell 1941-6-21 16316 Napa Hills SW of St. Helena. Comment
  UC1212394  Hesperolinon spergulinum Helen K. Sharsmith 1959-5-18 4710 Napa n of Aetna Springs (about 1 mi above the hotel); Inner North Coast Ranges 274 Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  OBI57141  Heterocodon rariflorum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24512 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  JEPS121539  Heteromeles arbutifolia Adam C. Schneider with Dick O'Donnell 2013-5-26 195 Napa Along Chiles Valley Road. Comment
  JEPS45021  Heteromeles arbutifolia W. L. Jepson Nov 26 1895-Nov 27 1895 13824 Napa St. Helena , Napa River (Stone Bridge, Napa River) Comment
  JEPS20393  Heterotheca grandiflora W. L. Jepson 1939-9-11 19474 Napa nw of Saint Helena (at river bridge); Napa River Comment
  UC1999862  Heterotheca oregona var. oregona J. C. Semple, S. Heard 1986-8-20 8566 Napa Just N of Calistoga on CA-29m, 15.3 km SW of Lake county line. Comment
  JEPS2448  Heterotheca oregona var. rudis W. L. Jepson 1895-11-27 14679 Napa near St. Helena; White Sulphur Springs Creek Comment
  UC177051  Heterotheca oregona var. rudis B. 1888-8-1 Napa St. Helena Comment
  UCD133136  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. 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
  CAS-BOT-BC324652  Holocarpha virgata John Thomas Howell 1930-10-19 5609 Napa 2 miles southeast of Aetna Springs, Pope Valley Comment
  CAS-BOT-BC324650  Holocarpha virgata Peter H. Raven 1952-8-26 5131 Napa Near Bentley Wharf 15 Comment
  JEPS45044  Holodiscus discolor W. L. Jepson 1923-6-3 9973 Napa south of Calistoga; Napa Valley; East side road. S. of Calistoga, Napa Valley Comment
  UC1128007  Holodiscus discolor A. Lewis 1932-5-18 97 Napa Dry Creek 152 Comment
  JEPS7754  Holozonia filipes Peter H. Raven 1952-8-28 5158 Napa near Napa Soda Springs 228 Comment
  UC143000  Holozonia filipes Mrs. K. Brandegee 1910-7-26 186 Napa near Angwin's Comment
  UCD85463  Hordeum brachyantherum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  UCR224885  Hordeum brachyantherum Ellen Dean, Kate F. Mawdsley 2010-4-30 5944 A Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Road 72 Comment
  JEPS122921  Hordeum brachyantherum subsp. brachyantherum Jake Ruygt 1991-6-22 2728 Napa Hunting Creek at mouth of sensitive plant canyon. Quad: Jericho Valley. Comment
  UC1103742  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1905-7-6 2229 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek, Howell Mountian); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC285094  Hordeum marinum subsp. gussoneanum L. R. Abrams 1928-5-3 12211 Napa St. Helena Grade Comment
  UCD85376  Hordeum marinum subsp. gussoneanum K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD85792  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3543 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCD85829  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-25 3468 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  CAS-BOT-BC284762  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 Napa Napa 9 Comment
  UC50689  Hordeum murinum subsp. leporinum H. P. Chandler 1900-5-7 626 Napa Rutherford Comment
  CAS-BOT-BC536165  Horkelia californica var. elata Peter H. Raven 1950-6-20 2381 Napa Howell Mtn. on NNE side Road to Pope Valley Comment
  CAS-BOT-BC410804  Hypericum concinnum John H. Thomas 1955-5-21 5097 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC410810  Hypericum concinnum L. R. Abrams 1916-7-2 5754 Napa Near St. Helena Sanitarium Comment
  JEPS66843  Hypericum concinnum W. L. Jepson 1936-2-8 17398 Napa Adam and Eve Ridge Howell Mt.; Napa Range, Howell Mt. Comment
  CAS-BOT-BC410812  Hypericum concinnum Alice Eastwood 1923-5-9 11741 Napa Hills above Calistoga Comment
  CAS-BOT-BC401205  Hypericum perforatum Peter H. Raven 1950-6-20 2380 Napa Howell Mtn. on NNE side rd to Pope Valley Comment
  UCD149582  Hypochaeris radicata Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD70456  Iris fernaldii J. D. Clark 1995-5-27 21 Napa Robert Lewis Stevenson State Park. East of hwy 129; 1/1-3/4 mi from trailhead along trail. Shaded site. 548 Comment
  SEINET4170695  Iris fernaldii Unknown 1969-5-24 Napa End of Capell Valley W. of Lake Berryessa. 198 Comment
  UCD138721  Iris fernaldii C. G. Baughn 1949-4-24 27 Napa State Highway 12, 4 miles northwest of Cordelia. Comment
  JEPS126028  Iris longipetala Jake Ruygt 1981-4-20 992 Napa American Canyon, east of Flosden Road. Cordelia 7.5' Quad. Comment
  JEPS126061  Iris longipetala Jake Ruygt 2009-5-22 5411 Napa American Canyon, across road from quarry. Cordelia 7.5' Quad. Comment
  JEPS126051  Iris macrosiphon Jake Ruygt 2007-3-31 5133 Napa Las Posadas State Forest NW of Fire Station. Saint Helena 7.5' Quad. Comment
  RSA10699  Iris macrosiphon Carl B. Wolf 1928-5-3 1788 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD18030  Iris macrosiphon Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 576 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
  UCD48249  Iris macrosiphon K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 5 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south of path. 545 Comment
  UCD48250  Iris macrosiphon S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 21 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD48720  Iris macrosiphon M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 10 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 50 ft. N of lat./long position. 289 Comment
  JEPS17335  Iris macrosiphon Willis L. Jepson 1893-1 Napa near St. Helena (Park Hill); Napa River Basin, Park Hill Comment
  SEINET12049801  Iris macrosiphon F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -303 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  SEINET5722883 Image available Iris macrosiphon J. A. Sheldahl 1968-1 43 Napa Pope Valley; Pope Valley Comment
  JEPS122771  Isatis tinctoria Jake Ruygt 2011-5-14 5785 Napa Chiles-Pope Valley Road near old barn. Quad: Chiles Valley. 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
  JEPS116566  Isoetes orcuttii Jake Ruygt 2006-5-23 5040 Napa South of Wild Lake, downslope of road. Saint Helena 7.5' Quad. Comment
  JEPS122667  Juncus bolanderi Jake Ruygt 1991-6-29 2738 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  JEPS122670  Juncus bufonius var. bufonius Jake Ruygt 1992-5-15 2961 Napa Meadow north of the Polo Field, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS129086  Juncus capitatus Jake Ruygt 2016-4-23 6203 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UCD166698  Juncus capitatus Jake Ruygt 20 May1992 2993 Napa southwest of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  JEPS122657  Juncus effusus subsp. pacificus Jake Ruygt 1985-5-25 1601 Napa American Canyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  UCD166702  Juncus effusus subsp. pacificus Jake Ruygt 25 May1992 3004 Napa north of Leoma Lakes (Lair property) 347 Comment
  UC127473  Juncus effusus var. pacificus Harley P. Chandler Sep 7 1906-Sep 14 1906 7103 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS122656  Juncus ensifolius Jake Ruygt 1984-6-23 1575 Napa Livermore Road, west of ranchhouse. Quad: Detert Reservoir. Comment
  UC1103653  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  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
  UC184101  Juncus occidentalis Joseph P. Tracy 1905-7-5 2211 Napa 3-4 mi e Angwin's (at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UC750690  Juncus patens Lewis S. Rose 1946-8-18 46264 Napa 3 mi ne Napa 60 Comment
  UCD166709  Juncus phaeocephalus var. paniculatus Jake Ruygt 1992-5-6 2942 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 411 Comment
  RSA293238  Keckiella breviflora subsp. glabrisepala D. C. Michener 1980-7-28 3730 Napa Pope Creek. Above reservoir ca 1 mile west of jct of Berryessa-Knoxville rd and Pope Canyon rd. 350 Comment
  CAS-BOT-BC237850  Keckiella lemmonii Peter H. Raven 1951-8-20 3856 Napa Near Lokoya 548 Comment
  JEPS10863  Keckiella lemmonii Alice King Jul 1919 Napa Mt. St. Helena; Van Ness ranch Comment
  UCD123773  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 miles from Winters, on road to Monticello. Comment
  CDA10910  Koeleria macrantha G. F. Hrusa, M. Rejmanek 1993-5-15 11006 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  HSC93538  Koeleria macrantha G. Fred Hrusa, M. Rejmanek 1993-5-15 11006 Napa 225 Comment
  JEPS76077  Koeleria macrantha W. L. Jepson 1938-5-18 18789 Napa behind St. Helena Sanitarium Howell Mountain; , behind St. Helena Sanitarium Comment
  JEPS76122  Koeleria macrantha W. L. Jepson 1938-6-8 18896 Napa South Fork Butts Creek Butts Canyon; , South Fork Butts Creek Comment
  CAS-BOT-BC502601  Kopsiopsis strobilacea Greg de Nevers 1992-5-17 10152 Napa Mount Veeder, 3475 Mt. Veeder Rd. 304 Comment
  NY180446  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring Comment
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Nov 25 2013
  CDA10869  Lagophylla minor G. F. Hrusa, M. Rejmanek 1993-5-15 10964 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  SEINET6413450  Lagophylla minor R. Spellenberg 2014-5-20 14814 Napa 4.5 km W of Pope Valley Road/ Butts Canyon Road on Aetna Springs Road. 460 Comment
  UC175976  Lagophylla minor J. P. Tracy 1902-5-15 1474 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  UCD135655  Lagophylla minor Bruce G. Baldwin 1988-5-29 706 Napa immediately beyond junction with State Highway 128 along north side of Lower Chiles Valley Road. Comment
  UCD35856  Lagophylla minor Beecher Crampton 1965-5-13 7331 Napa 11 miles E of Rutherford, State Hwy. 128. 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-BC341417  Lagophylla minor J. Clausen 1935-5-22 1069 Napa 1 mile east of Chiles Valley Store Comment
  JEPS41064  Lagophylla minor Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9114 Napa about 7 mi se Knoxville (at the s end of Cedar Valley); Cedar Valley 594 Comment
  UC913121  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek just s Walters Spring; ; bridge over Pope Creek, S of Walters Spring, Napa Co. Comment
  JEPS106650  Lagophylla ramosissima Jake Ruygt 1987-5-19 1974 Napa 2.2 miles east of Atlas Peak Rd. on Monticello Road 237 Comment
  JEPS7756  Lagophylla ramosissima Peter H. Raven 1952-6-28 4196 Napa Conn Valley 121 Comment
  CAS-BOT-BC341554  Lagophylla ramosissima Peter H. Raven 1951-6-26 3088 Napa Cappell valley to Wooden Valley 304 Comment
  UCD133621  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  RSA201210  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa Garden weed near St. Helena 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-BC338267  Lasthenia californica John Thomas Howell 1926-3-27 1761 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC338274  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  JEPS106676  Lasthenia californica Jake Ruygt 1976-5-6 57 Napa 2.8 miles northeast of Westgate Dr. on Atlas Peak rd. 350 Comment
  UCD170814  Lasthenia californica 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  CAS-BOT-BC338265  Lasthenia californica John Thomas Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles east of Napa Comment
  JEPS106623  Lasthenia glaberrima Jake Ruygt 1986-4-13 1694 Napa Pope Canyon Rd. just east of vernal marsh 187 Comment
  JEPS106624  Lasthenia glaberrima Jake Ruygt 1986-5-1 1736 Napa Imola Ave. NW of McDonald's restaurant 4 Comment
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 Comment
  UCD147460  Lasthenia glaberrima Ellen Dean; Diana Hickson 2014-4-29 8073 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS10016  Lasthenia gracilis Helen-Mar Wheeler 1944-3-27 Napa roadside about 1.8 mi n south end of Conn Valley; Napa Range Comment
  JEPS107271 Image available Lathyrus hirsutus Jake Ruygt 1980-5-24 901 Napa end of pavement, Kortum Canyon Rd. 246 Comment
  UCD106231  Lathyrus hirsutus John Thomas Howell 1966-6-2 41552 Napa Dry Creek Road near head of Dry Creek south west of Oakville. Comment
  UCD75721  Lathyrus hirsutus Jake Ruygt 1992-5-18 2982 Napa Yountville Ecological Reserve, Yountville Cross Rd. 27 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
  SJSU10857  Lathyrus jepsonii var. jepsonii W. Savage 1983-6-6 1593 B Napa NE facing bank of S Slough, Cullinan Ranch Comment
  UC81786  Lathyrus jepsonii var. jepsonii Michener and Bioletti 1892-8-15 Napa Draw Bridge Napa River Comment
  JEPS55293  Lathyrus torreyi W. L. Jepson 1897-5-2 13626 Napa sw of Calistoga (Rebecca Ranch grade); Hood Peak Range, Upper Napa Valley Comment
  UCSB3114  Lathyrus vestitus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway 37, 500 feet above valley floor 304 Comment
  POM19738  Lathyrus vestitus subsp. vestitus C. F. Baker 1903-4-20 2607 Napa Mt. St. Helena. Comment
  JEPS55382  Lathyrus vestitus var. vestitus W. L. Jepson 1924-4-24 10370 Napa Toll House Mt. St. Helena Comment
  UC1051670  Lathyrus vestitus var. vestitus Peter Kamb 1950-4-22 1755 Napa w side Wooden Valley (on Calif. Hwy 37) 304 Comment
  UCD21552  Lathyrus vestitus var. vestitus A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 6 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, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 313 Comment
  UC864589  Lathyrus vestitus var. vestitus Alice Eastwood 1915-5-1 6831 Napa Mt. St. Helena Comment
  UCD75717  Lathyrus vestitus var. vestitus Jake Ruygt 1986-4-14 1698 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 457 Comment
  CAS-BOT-BC323190  Layia chrysanthemoides John Thomas Howell 1926-3-27 1754 Napa Soscol Comment
  CAS-BOT-BC323192  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  JEPS106618  Layia gaillardioides Jake Ruygt 1980-4-22 841 Napa Pope Canyon Rd. at Walter Springs bridge (old) 195 Comment
  HSC43960  Layia septentrionalis Robert M. Specht 1977-4-19 700 Napa Above drainage running NE from Adams Creek (sire 163) 497 Comment
  JEPS106631  Layia septentrionalis Jake Ruygt 1990-4-28 2511 Napa Bear Valley 615 Comment
  SEINET10840534  Legenere limosa Holland 1983-5-21 HOLLAND 1230 Napa A few hundred feet east of Routes 12 and 29, about 3.9 miles south of Route 121, about 1000 feet north of Suscol Creek 30 Comment
  CAS-BOT-BC534369  Lemna minor Peter H. Raven 1951-6-26 3042 Napa Sarco Creek east of Napa 60 Comment
  CAS-BOT-BC534371  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma County line 243 Comment
  UC1157918  Lemna minuscula John C. Roos September 1938 Napa Angwin, Pacific Union College farm Angwin; , Pacific Union College farm 487 Comment
  JEPS63268  Lepechinia calycina W. L. Jepson 1943-5-15 20776 Napa Knoxville Ridge Comment
  UCD159945  Lepechinia calycina Alice Warrick 2008-4-22 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section, near top. 243 Comment
  UCD70473  Lepechinia calycina P. J. Plummer 1995-5-29 s.n. Napa W of city of Winters, roadside off hwy 128. 335 Comment
  UCD73427  Lepechinia calycina Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UC856367  Lepidium dictyotum var. acutidens Milo S. Baker 1936-4 7571 Napa Calistoga Geysers Comment
  JEPS106833  Lepidium latifolium Jake Ruygt 1994-6-17 3404 Napa Fagan Slough 1 Comment
  JEPS106789  Lepidium nitidum var. nitidum Jake Ruygt 1982-3-2 1111 Napa north of HWY 12 near Huichica Creek 103 Comment
  CAS-BOT-BC12774  Lepidium oxycarpum Peter H. Raven 1953-3-29 5200 Napa Calistoga. 106 Comment
  UC10599  Lepidium strictum Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  POM196068  Leptosiphon androsaceus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  POM204476  Leptosiphon androsaceus J. T. Howell 1933-5-21 11314 Napa Hills east of Napa. Comment
  UCD118585  Leptosiphon androsaceus Alan P. Godlewskie 1974-5-3 15 Napa west of Lake Berryessa, approximately 75 yards from Highway 128. Comment
  UCD13133  Leptosiphon androsaceus Etienne and Laurie Oleksiewicz 1981-4-22 19 Napa Napa CO. State Highway 128, 1.8 miles west of Monticello Dam; west facing slope. Comment
  UCD164865  Leptosiphon bolanderi Jake Ruygt 2012-4-21 5829 Napa Crystal Flats, west of Putah Creek. 216 Comment
  UCD164494  Leptosiphon ciliatus A. Amezcua 1995-5-26 22 Napa 300 m west of Berryessa- Knoxville Road, approximately 3 km of Spanish Flat Resort. 200 Comment
  CAS-BOT-BC226689  Leptosiphon jepsonii Carl B. Wolf 1928-5-3 1792 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS129087  Leptosiphon parviflorus Jake Ruygt 2016-4-19 6198 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD118108  Leptosiphon parviflorus Megan Mateo; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station along undeveloped road. Northwest side of road near fork in road. 519 Comment
  UCD49235  Leptosiphon parviflorus S. Murphy; K. Keck and K. Dyer 2002-5-5 1 Napa Quail Ridge UC Reserve, northern tip of ridge, near junction of West and East roads, 15 m from S edge of stock pond. 328 Comment
  UCD39140  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  RSA91165  Lessingia hololeuca John T. Howell 1926-10-3 2210 Napa 2 miles N of Calistoga, Napa Valley Comment
  UCD69064  Lessingia nemaclada P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. 285 Comment
  JEPS20587  Lessingia ramulosa W. L. Jepson 1916-8-6 6829 Napa Howell Mt. Comment
  UCD37721  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCD38961  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa North end of Capell Valley above Capell Creek and along State Hwy. 128. Comment
  JEPS129058  Leucanthemum vulgare Jake Ruygt 1979-6-16 640 Napa 2.9 miles north of Redwood Road on Dry Creek Road. Napa 7.5' Quad. Comment
  JEPS29587  Lewisia rediviva Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8444 Napa 5 mi n along Atlas Peak road Vichy Springs junction (with Calif. 37) (1/4 mi n of junction with side road leading to Milliken Reservoir) 355 Comment
  CAS-BOT-BC451587  Lilaea scilloides Peter H. Raven 1953-5-2 5364 Napa East of Yountville 76 Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  JEPS17375  Limnanthes douglasii Rimo Bacigalupi with John Dawson 1955-4-25 4842 Napa 2 1/2 mi s Imola (along CA Hwy 29) Comment
  JEPS129068  Limnanthes douglasii subsp. nivea Jake Ruygt 2016-4-2 6169 b Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  OBI12592  Limnanthes douglasii subsp. nivea R. L. Hoover 1968-4-20 53 Napa On Howell Mtn Rd, on W side of rd at Angwin Comment
  RSA739654  Limnanthes douglasii subsp. nivea John Dittes 2003-4-5 2003 -12 Napa Inner N Coast Range, Napa Valley, 1.6 air miles N by NW of Calistoga City Hall, 0.9 air mile NW of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Raod and Tubbs Lane. 122 Comment
  JEPS112562  Limnanthes floccosa subsp. floccosa Jake Ruygt 1993-4-3 3180 Napa Little Bear Valley 676 Comment
  UC1277987  Linanthus acicularis B. Crampton 1957-6-4 4093 Napa n end Capell Valley (above Capell Creek); , Capell Creek Comment
  JEPS58155  Linanthus androsaceus E. V. Ferguson 1920-5-15 352 Napa Howell Mt. Comment
  JEPS58297  Linanthus ciliatus W. L. Jepson 1893-5-9 20909 Napa w of Rutherford; Napa Valley Comment
  UC23500  Linanthus dichotomus Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  RSA183447  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa Ca. 1/4 mile east of mail boxes on road to M & M Ranch, middle Snell Valley Comment
  UCD118642  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa 1/4 mile E of mail boxes on road to M and M Ranch, middle Snell Valley. Comment
  CAS-BOT-BC123058  Linanthus jepsonii Carol Goodwillie 1995-5-11 1 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km W of Hardin Road, 60 meters N of vernal pool 256 Comment
  JEPS110971  Linanthus parviflorus Jake Ruygt 1978-5-21 338 Napa .4 miles east of Silverado Trail on Dutch Henry Canyon Rd 121 Comment
  CDA40092  Linanthus parviflorus T. C. Fuller 1958-5-1 3720 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  CAS-BOT-BC430622  Lithophragma affine Peter H. Raven 1953-4-2 5258 Napa hills e. of Imola 121 Comment
  JEPS47510  Lithophragma affine W. L. Jepson 1910-3-28 4029 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  UCD102709  Lithophragma affine M. Wiesendanger 1928-4-5 861 Napa Monticello-Napa Road. Comment
  JEPS47659  Lithophragma bolanderi Willis L. Jepson 1893-4-24 13470 Napa hills e St. Helena; Napa River Basin, e of St. Helena Comment
  UCD73408  Logfia filaginoides 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
  JEPS20920  Logfia filaginoides Willis L. Jepson 1896-6-1 Napa Helena Napa River Basin, Helena Comment
  CAS-BOT-BC342438  Logfia gallica John H. Thomas 1955-5-21 5138 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC342439  Logfia gallica John H. Thomas 1955-5-21 5180 F Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CDA11598  Lomatium californicum G. F. Hrusa, S. Larson 1995-4-1 12056 Napa North Coast Biodiversity Arena; Chiles-Pope Valley Rd., approx. 2 m. above Lake Hennessey. Comment
  JEPS16095  Lomatium californicum Willis L. Jepson 1894-4-30 14247 Napa range w. of and near Calistoga (grade to Rebecca Ranch); Napa River Basin Comment
  UCD127614  Lomatium californicum M. Wiesendanger 1927-5-4 703 Napa Monticello, Napa Road. Comment
  UCD47851  Lomatium dasycarpum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 11 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD20784  Lomatium dasycarpum V. (Shorty) Boucher 2002-3-27 3 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of the intersection of West and East roads, along upper Ridge road (just north of intersection of western Ashley easement road and Ridge Road). On the road through burned chaparral at the north tip of the peninsula. 320 Comment
  JEPS17138  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1896-6-2 14303 Napa Red ridge across mouth of Conn Valley; Napa R. Basin Comment
  UC1301124  Lomatium dasycarpum subsp. dasycarpum Helen K. Sharsmith 1963-3-17 5228 Napa s. side Mt. Atlas; San Francisco Bay Region, Mt. Atlas 609 Comment
  UCD118349  Lomatium dasycarpum subsp. tomentosum Reed Crane; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  RSA0000717  Lomatium dasycarpum var. medium W. L. Jepson 1896-6-2 14303 Napa Conn Valley Ridge. Napa Valley Basin. Comment
  UCD170299  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 839 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 512 Comment
  JEPS17118  Lomatium macrocarpum Willis L. Jepson 1893-4-24 14384 Napa hills e. of St. Helena to Conn Valley Grade (Howell Mt. foothills); Howell Mt. foothills Comment
  POM225346  Lomatium marginatum J. T. Howell 1931-4-19 6466 Napa Conn Valley. Comment
  JEPS129176  Lomatium marginatum var. purpureum Jake Ruygt 2015-3-7 6032 Napa South of Snell Peak. Aetna Spring 7.5' Quad. Comment
  JEPS13744  Lomatium marginatum var. purpureum Frank W. Gould 1939-4-6 613 Napa one mi N of Knoxville Comment
  JEPS104541  Lomatium nudicaule Jake Ruygt 1986-5-7 1751 Napa Skyline Park below Skyline Trail 256 Comment
  UCD163604  Lomatium repostum G. Ledyard Stebbins 1971-5-2 8006 Napa Northeast of Napa. Ranch of Giles Mead, along Atlas Mountain [Peak] road. (Exact location unknown. Coordinates estimated by label maker as near Mead Ranch Vineyards.) 487 Comment
  UC1197143  Lomatium utriculatum Joseph P. Tracy 1904-5-23 2084 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD149670  Lomatium utriculatum 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
  UCD170217  Lomatium utriculatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 740 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  UCD47866  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 24 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Barryessa-Knoxville Road. 411 Comment
  JEPS104516  Lomatium vaginatum Jake Ruygt 1993-4-3 3186 Napa Oat Hill Mine Rd. below the Palisades. 658 Comment
  CAS-BOT-BC240564  Lonicera hispidula Peter H. Raven 1964-5-9 19065 Napa 2 miles west of Aetna Springs Comment
  JEPS12842  Lonicera hispidula var. vacillans Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Napa Range Comment
  JEPS12849  Lonicera hispidula var. vacillans W. L. Jepson 1898-1-4 Napa Howell Mountain Comment
  JEPS12850  Lonicera hispidula var. vacillans W. L. Jepson 1898-1-4 Napa Howell Mountain Comment
  CAS-BOT-BC240797  Lonicera interrupta Alice Eastwood 1915-6-6 4656 Napa Mt. St. Helena Comment
  UCD137340  Lonicera interrupta E. F. Beukman 1964-5-8 33 Napa State Highway 128, 3 miles southwest of Monticello Dam. Comment
  JEPS85044  Lotus Larry Heckard and Mary Ashton 1969-5-3 2190 Napa ca 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd) 457 Comment
  RSA3633  Lotus humistratus I. L. Wiggins 1932-3-12 5764 Napa Hillside between Calistoga and Franz Valley. Comment
  RSA603509  Lotus humistratus M. Sidells 1996-4-13 9 Napa Southwest side of Lake Bereyessa, 150 m northeast of Knoxville Rd. 250 Comment
  CDA31869  Lotus micranthus D. G. Kelch 2001-3-18 1 .018 Napa Soda Canyon Road. Comment
  SEINET3694609 Image available Lotus micranthus W. L. Jepson 1893-4-24 13787 Napa Howell Mountain grade, E of town of St. Helena, Napa River Basin Comment
  UC15636  Lotus micranthus Willis L. Jepson Apr 1893 Napa near St. Helena; Napa River Basin Comment
  JEPS107206  Lotus purshianus var. purshianus Jake Ruygt 1992-5-15 2960 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UC1197289  Lotus purshianus var. purshianus Joseph P. Tracy 1905-7-6 2217 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 457 Comment
  UCR225464  Lotus purshianus var. purshianus Jake Ruygt 2004-9-25 4673 Napa west side of Maxwell Creek (Dept. of Fish & Game Property) c. 0.5 mi from Pope Creek 168 Comment
  RSA131376  Lotus scoparius var. scoparius John H. Thomas 1955-5-21 5109 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  POM66958  Lotus wrangelianus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD167267  Ludwigia palustris Jake Ruygt 1992-6-2 3015 Napa Leoma Lakes, Wild Horse Valley Ranch. 402 Comment
  HSC14767  Lupinus albifrons Greg Bos 1963-3-3 22 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  JEPS107237  Lupinus albifrons Jake Ruygt 1976-5-2 46 Napa 4.5 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  CAS-BOT-BC201556  Lupinus albifrons var. albifrons Alice Eastwood 1918-5-1 6829 Napa Mt. St. Helena Comment
  RSA51237  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-5 1751 Napa Wooden Valley Grade above Napa. 457 Comment
  JEPS107236  Lupinus bicolor Jake Ruygt 1996-4-6 3557 Napa near southeast end of Rector Reservoir. 134 Comment
  UCD117809  Lupinus bicolor Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 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
  UCD48964  Lupinus bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 1 Napa Quail Ridge UC Reserve, northern top of ridge, alongside lower road leading to power lines, just N of intersection with East and West roads. 335 Comment
  JEPS107225  Lupinus latifolius var. latifolius Jake Ruygt 1991-5-11 2653 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  UCD20617  Lupinus luteolus E. Dean; with M. Bibbo 2002-7-5 1164 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
  JEPS107219  Lupinus microcarpus var. densiflorus Jake Ruygt 1986-4-20 1715 Napa HWY 29 north of Oakville 42 Comment
  OBI48330  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  OBI56911  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa Comment
  UC577241  Lupinus microcarpus var. densiflorus John Thomas Howell 1935-5-12 12625 Napa along Pope Creek near its confluence with Putah Creek; Pope Creek near its confluence with Putah Creek Comment
  JEPS107248  Lupinus nanus Jake Ruygt 1981-4-1 965 a Napa Stags Leap 213 Comment
  JEPS65392  Lupinus nanus W. L. Jepson 1897-5-2 60 t Napa St. Helena Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  OBI3242  Lupinus nanus R. L. Hoover 1968-4-20 43 Napa On Howell Mt Rd, 2.6 mi NE of State Rte 29/128, on W side of rd just below curve Comment
  SEINET11091434 Image available Lupinus nanus var. apricus Ilsa M. Schmelzinger 1971-5-1 15 Napa McDonald Ranch, 11.2 miiles north-west of junction of Highway 128 and Chiles Road Comment
  JEPS65427  Lupinus polyphyllus W. L. Jepson 1893-6-26 44 t Napa Howell Mt. Comment
  CAS-BOT-BC202225  Lupinus sericatus Carl B. Wolf 1928-5-4 1867 Napa Mt. St. Helena Comment
  CAS-BOT-BC202231  Lupinus sericatus A. A. Heller 1949-5-6 15586 Napa East side of Mt. St. Helena just below the crossing of State Highway #29 Comment
  JEPS107242  Lupinus sericatus Jake Ruygt 1997-4-26 3835 Napa between Bismark Knob and Mt. Veeder (school site) 560 Comment
  UC16013  Lupinus sericatus Willis L. Jepson 1896-2-22 Napa Howell Mt. beyond Angwin's Howell Mt.; Howell Mt. beyond Angwin's Comment
  RSA15625  Lupinus vallicola subsp. apricus Carl B. Wolf 1928-2-25 1481 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS67170  Luzula macrantha W. L. Jepson 1894-5-1 2 a Napa Upper Conn Valley Comment
  CAS-BOT-BC441244  Luzula macrantha C. B. Wolf 1928-2-25 1484 Napa Mt. St. Helenas Grade, 2 miles below Hawkins Mt. Camp Comment
  UCD149681  Luzula subsessilis 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
  JEPS45952  Lythrum hyssopifolia W. L. Jepson 1894-11-7 14092 Napa Napa Comment
  JEPS45959  Lythrum hyssopifolia Willis L. Jepson 1893-9-24 14085 Napa Napa River Basin, Howell Mt., Angwin's Meadows Angwin's Meadows; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC343826  Madia elegans Peter H. Raven 1951-6-10 s.n. Napa Rt. #29 north of Calistoga 152 Comment
  POM225540  Madia elegans subsp. elegans Kate Eastwood Phelps 1932-09 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  HSC81602  Madia exigua Thomas W. Nelson, Jane P. Nelson 1980-5-3 5146 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  CAS-BOT-BC343196  Madia gracilis Peter H. Raven 1952-5-26 4037 Napa St. Helena to Howell Mt. 304 Comment
  UCD48579  Madia gracilis K. Mogel; B. Pekin and M. Higley 2002-5-4 5 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East raods; ca. 100 ft along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  UCD63149  Madia gracilis Jake Ruygt 2003-4-14 4498 Napa Lower hills of Blue Ridge east of Zim-Zim Creek. 365 Comment
  CAS-BOT-BC8139  Madia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  SEINET10672315 Image available Madia hallii Charles F. Baker 1903-5-8 Baker 3079 Napa Knoxville, Napa county, California. Colonies frequent along rocky ridges. Comment
  POM216220  Madia nutans D. D. Keck 1933-5-28 2329 Napa Howell Mountain, 1 mile SW of Pacific Union College 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
  CAS-BOT-BC345046  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  RSA51298  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1732 Napa Wooden Valley grade above Napa 305 Comment
  JEPS113976  Maianthemum stellatum Jake Ruygt 1990-4-4 2458 Napa Skyline Park on Lake Marie trail 1/4 from lake. Mount George 7.5' Quad. Comment
  UCD63150  Malacothrix clevelandii Jake Ruygt 2005-6-1 4885 Napa Knoxville Wildlife Area; Blue Ridge, 1 mile N of Mays Flat. 719 Comment
  UC518945  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa s of Walters Springs (Pope Creek bridge); Pope Creek Comment
  UC831138  Malacothrix floccifera Alice Eastwood and John Thomas Howell 1939-6-11 7423 Napa sw of Oakville; Mt. Hood Range Comment
  UCD170680  Malacothrix floccifera 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC347514  Malacothrix floccifera John Thomas Howell 1931-4-19 6461 Napa Conn Valley, Napa Range Comment
  JEPS106389  Marah fabacea Jake Ruygt 1976-4-23 17 Napa 2.1 miles NE of Silverado Trail on Deer Park Rd. 213 Comment
  UCD73411  Marah fabacea Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UCD81822  Marah fabacea Ellen Dean 2009-4-24 5449 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS42486  Marah oregana Willis L. Jepson 1893-4-25 14134 Napa w St. Helena (trail to Caux's Cabin); Hoods Peak Range, Napa River Basin Comment
  JEPS103972  Marsilea vestita subsp. vestita Jake Ruygt 1998-6-13 4023 Napa Milliken Creek south of Foss Valley. 405 Comment
  JEPS120339  Marsilea vestita subsp. vestita Jake Ruygt 1992-6-13 3037 Napa Bear Valley, pond at the south end. Detert Reservoir 7.5' Quad. Comment
  UCD20830  Medicago polymorpha N. Nicola 2001-3-30 046 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD48966  Medicago polymorpha Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 9 Napa Quail Ridge Reserve, Decker Canyon, along South Decker Canyon Rd., N of jct with Cut-Off Rd. and S of jct with North Decker Canyon Rd., W of old buildings. 167 Comment
  CAS-BOT-BC269415  Melica californica California Academy of Sciences 1870-5-2 s.n. Napa Oakville Comment
  CAS-BOT-BC269417  Melica californica California Academy of Sciences 1870-5-1 s.n. Napa Oakville Comment
  UC767182  Melica californica R. F. Hoover 1941-5-10 499 Napa between St. Helena and Calistoga Comment
  UCD48192  Melica californica A. Van Houtte; E. Leger, C. Hohn 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just west of Monticello Dam; North of Research Station, north of junction with South Decker Canyon Rd. 365 Comment
  UCD86443  Melica californica Beecher Crampton 1956-5-25 3465 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD87231  Melica californica R. Tofsrud 1950-4-24 s.n. Napa 3 mi. S of Monticello. Comment
  UCR30549  Melica californica John C. Roos 1939-5-14 269 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CAS-BOT-BC282165  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St Helena Grade Comment
  CAS-BOT-BC282167  Melica geyeri J. P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles E of Angwin's 396 Comment
  UCD87302  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St. Helena Grade. Comment
  SEINET4671608  Melica geyeri W. Boyle 1942-4-25 1072 Napa Along the Silverado 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
  UCD66807  Melica spectabilis K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  JEPS76084  Melica torreyana W. L. Jepson 1938-5-22 18813 Napa Pope Valley; Limekiln Creek Canyon Comment
  SBBG29012  Melica torreyana B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UCD149633  Melica torreyana G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD163272  Melica torreyana D. Slakey; CNPS Volunteers 2015-4-25 117 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCSB423  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek about 3 miles east of Chiles Valley Comment
  JEPS63287  Melissa officinalis W. L. Jepson 1934-10-19 16904 Napa Napa R. near St. Helena; San Francisco Bay vicinity, Napa R. Comment
  JEPS112575  Mentha pulegium Jake Ruygt 1969-12-31 420 Napa Napa River north of Trancas St. 4 Comment
  UC1239690  Mentha spicata Joseph P. Tracy 1899-7-3 403 Napa on hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, Moore's Creek, Howell Mountain 335 Comment
  UCD102837  Micranthes californica G. L. Webster 1967-3-23 7498 Napa Between Wragg Canyon and Markley Canyon, c. 5 miles SW Monticello Dam. 396 Comment
  UCD82607  Micropus amphibolus Ellen Dean; T. Starbuck 2009-5-4 5545 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  RSA695590  Micropus californicus var. californicus Keith E. Hoffmaster 1946-4-13 1048 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
  UC35584  Micropus californicus var. californicus W. L. Jepson 1893-4-26 Napa hills near Yountville Comment
  JEPS36215  Microseris douglasii subsp. douglasii W. L. Jepson 1924-5-8 10418 Napa Chiles Valley Comment
  UCD161530  Microseris douglasii subsp. douglasii Jake Ruygt 1991-5-29 2701 Napa Duhig Road about 1 mile south of Highway 12. 39 Comment
  JEPS106891  Microseris douglasii subsp. tenella Jake Ruygt 1995-5-1 3462 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  UC147893  Mimulus angustatus J. P. Tracy 1902-5-21 1610 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC1778559  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  UC26855  Mimulus angustatus W. L. Jepson 1893-4-28 Napa plateau n Mt. George; Napa Range Comment
  JEPS11341  Mimulus arvensis Willis L. Jepson 1893-4-26 12 m Napa Yountville Napa River Basin Comment
  UCD160390  Mimulus aurantiacus Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  CDA41660  Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  UC886118  Mimulus bolanderi M. Focht and R. Scott 1940-5-4 9667 Napa near mouth Pope Creek Comment
  POM204271  Mimulus congdonii J. T. Howell 1931-4-2 6071 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  SBBG28944  Mimulus douglasii J. T. Howell 1940-5-19 Napa upper Saint Helena Crk Comment
  UC26955  Mimulus kelloggii W. L. Jepson 1893-5-2 29 m Napa Pope Valley grade from Calistoga Comment
  UC1778560 Image available Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine; lat corrected from 35 655 Comment
  JEPS11562  Mimulus microphyllus W. L. Jepson 1921-5-6 9170 Napa Yountville 30 Comment
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  JEPS110598  Mimulus nudatus Jake Ruygt 1991-5-25 2693 a Napa Paradise Valley 280 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
  UC1778536  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters W of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine;lat corrected from 35 426 Comment
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  UCD170353  Mimulus nudatus Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 852 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 459 Comment
  UCD122847  Mimulus pilosus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Near Middletown. Comment
  JEPS110592  Mimulus tricolor Jake Ruygt 1998-5-2 3954 Napa Jerd Creek 289 Comment
  CAS-BOT-BC174562  Minuartia californica Alice Eastwood; John Thomas Howell 1937-4-4 3827 Napa Wooden Valley Grade east of Napa Comment
  JEPS106745  Minuartia californica Jake Ruygt 1978-3-12 242 Napa .8 miles northeast of Buuts Canyon Rd. on Snell Valley Rd. 185 Comment
  JEPS51426  Minuartia californica W. L. Jepson 1940-2-29 19500 Napa 4 mi se Yountville; Vicinity of San Francisco Bay, Napa Valley Comment
  SFV8436  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 miles east of Middletown. 305 Comment
  JEPS51499  Minuartia douglasii W. L. Jepson 1938-5-22 18824 Napa Snell Valley Comment
  UC76183  Monardella candicans Miss M. Alice King Napa St. Helena Comment
  UC1748350  Monardella douglasii Jane Valerius 1998-6-22 Napa ca. 4 air mi NE of Vallejo (ca. 1.5 mi W of Hwy 80. along banks and at top of unnamed S-trending[sic] tributary to American Canyon Creek) 60 Comment
  CAS-BOT-BC220619  Monardella villosa John Thomas Howell 1929-5-30 4270 Napa On Pope Valley Creek near Samuels [Samuel] Springs, Napa Range Comment
  CAS-BOT-BC220620  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  JEPS110814  Monardella villosa subsp. villosa Jake Ruygt 1989-6-3 2361 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 438 Comment
  UCD166665  Monardella villosa subsp. villosa Jake Ruygt 1998-7-11 4082 Napa Blue Ridge, about 1.5 miles north of Mays Flat. 701 Comment
  CAS-BOT-BC220693  Monardella viridis Peter H. Raven 1952-6-28 4202 Napa Conn Valley 137 Comment
  POM126651  Monardella viridis Katherine Brandegee s.n. Napa Angwin s Comment
  UC1995309  Monardella viridis John Thomas Howell 1937-7-4 13060 Napa Wooden Valley Grade Comment
  UC1995310  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon Napa Range Comment
  UCD73421  Monardella viridis Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  POM70262  Monardella viridis W. J. Nicholas 1901-7-6 s.n. Napa St. Helena. Comment
  SEINET10582239  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 374 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  SEINET10582241  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 369 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  SEINET10582243  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 372 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  JEPS106887  Monolopia major Jake Ruygt 1982-5-8 1232 Napa American Canyon, north of quarry 176 Comment
  UC7845  Montia fontana Willis L. Jepson 1893-4-26 Napa Napa River Basin, Rutherford Rutherford; Napa River Basin, Rutherford Comment
  JEPS43263  Montia fontana W. L. Jepson Apr. 1893 Napa Napa Valley Comment
  JEPS112612  Montia parviflora Jake Ruygt 1991-5-11 2653 b Napa Howell Mountain Road, S of Ink Grade 551 Comment
  SBBG21244  Muhlenbergia andina B. Crampton 1959-8-26 Napa N end of Capell Valley, St Hwy 128 Comment
  JEPS129123  Najas marina Jake Ruygt 2012-11-3 5889 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  JEPS129124  Najas minor Jake Ruygt 2010-8-14 5722 Napa NW shore of Lake Berryessa; Barton Hill. Walter Springs 7.5' Quad. Comment
  CAS-BOT-BC259966  Nassella lepida Milo S. Baker 1945-5-11 10895 Napa Boundary ridge between Napa and Sonoma Counties near Summit of Spring Mountain Road Comment
  POM182795  Nassella lepida D. D. Keck 1931-4-2 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 mi NE of Napa 170 Comment
  UCD36948  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  CAS-BOT-BC60336  Nasturtium officinale Betty H. Johnson 1958-6-15 636 Napa Near Spring, 0.5 mile above Mount Mill House, 6.4 miles southwest of Middletown. Comment
  UC106835  Navarretia heterodoxa Katharine Brandegee 1889-1 Napa Howell Mountain Comment
  JEPS112533  Navarretia intertexta subsp. intertexta Jake Ruygt 1981-5-21 1033 Napa .3 mile south of Sage Canyon Rd. on Lower Chiles Valley Rd. 274 Comment
  JEPS112534  Navarretia intertexta subsp. intertexta Jake Ruygt 1980-6-21 932 Napa Bear Valley 621 Comment
  UCD36945  Navarretia intertexta subsp. intertexta Beecher Crampton 1956-5-25 3470 Napa Between Wragg Canyon and southeastern Capell Valley. 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
  RSA128369  Navarretia jepsonii P. H. Raven 1950-6-20 s.n. Napa Just above Aetna Springs, Pope Valley Comment
  SD3929  Navarretia jepsonii Katherine Brandegee 1910-7-26 Napa Near Aetna Springs Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs 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
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  SEINET5642396  Navarretia paradoxinota Leigh A. Johnson 1996-5-26 96 -012 Napa Along Snell Valley Road within 50 yards of jct. between Snell Valley Road and Butts Canyon Road. In moist earth and shallow pool along S side of road. 350 Comment
  JEPS112552  Navarretia pubescens Jake Ruygt 1988-5-29 2206 Napa Devilshead Rd. at Berryessa-Knoxville Rd 457 Comment
  UCD160778  Navarretia pubescens Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8658 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  UCD59449  Navarretia pubescens P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  JEPS110948  Navarretia rosulata Jake Ruygt 1984-5-19 1556 Napa Cedar Roughs 633 Comment
  JEPS101639  Navarretia subuligera Dean W. Taylor 1998-6-23 16694 Napa headwaters Swartz Canyon, South flanks Twin Peaks, (ca. 5 air mi W Aetna Springs) 716 Comment
  JEPS70480  Navarretia tagetina Willis L. Jepson 1893-6-26 15027 Napa Howell Mt. Napa River Basin Comment
  SEINET196694  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Tributary of Putah Creek, Pope Valley. Comment
  UC1199528  Nemacladus capillaris Francia Chisaki 1957-5-30 971 Napa between Chiles and Monticello (by Soda Creek); Soda Creek Comment
  JEPS5479  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge; ne Napa County Comment
  JEPS5480  Nemacladus montanus M. S. Jussel 1901-6-1 Napa Napa Comment
  UC24167  Nemophila heterophylla H. P. Chandler 1900-5-7 630 Napa Rutherford Comment
  POM182714  Nemophila heterophylla D. D. Keck 1931-4-2 1014 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD23386  Nemophila heterophylla Greg Vita 1978-4-23 15 Napa Corolla white. Foothill woodland, partial sun, hillside along roadside. 1.4 miles southeast of lower Childs Rd. 146 Comment
  UCD120237  Nemophila menziesii G. L. Webster 1967-3-23 7494 Napa c. 1 mi S of Spanish Flat. 167 Comment
  HSC13592  Nemophila menziesii Greg Bos 1963-3-30 62 Napa 27 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  UCD23403  Nemophila menziesii Sally Jue 1977-4-16 22 Napa Annual herb, flowers blue with light centers; foothill woodland, gradual east facing grassy slope, full sun. In East Bull Canyon off State Highway 128, 6.4 miles SSW of Monticello Dam. 198 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
  JEPS110845  Nemophila menziesii var. menziesii Jake Ruygt 1994-4-16 3352 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  POM264589  Nemophila menziesii var. menziesii J. C. Roos 1939-3-31 309 Napa Angwin. Howell Mtns. Comment
  RSA10643  Nemophila menziesii var. menziesii Carl B. Wolf 1928-5-3 1847 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UC126921  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  JEPS12230  Nicotiana acuminata var. multiflora H-M. Wheeler 1942-11-2 503 Napa s end Conn Creek Road (at bridge over Conn Creek); Conn Valley, Conn Creek Comment
  JEPS12270  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  UCD126688  Nicotiana acuminata var. multiflora J. M. Tucker; C. H. Lamoureux 1958-6-8 3404 Napa beside State Highway 128, 2.7 miles northeast of Rutherford. Comment
  CHSC102298  Nicotiana quadrivalvis Lowell Ahart 2009-10-12 16454 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  JEPS12387  Nicotiana quadrivalvis W. L. Jepson 1894-11-5 21248 Napa Napa River above St. Helena; Napa River Comment
  UC419705  Nicotiana quadrivalvis Mrs. H. P. Bracelin 1930-10-19 112 Napa near Conn Creek entrance (Sage Canyon); Sage Canyon 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
  UCD132729  Olea europaea Ramona Robison 2012-4-26 s.n. Napa Bale Gristmill State Historic Park, Near parking area and around historic mill. 121 Comment
  UCD168001  Orobanche James A. Neilson Jr. 1977-4-13 3868 Napa Oat Hill Mine Rd. (Exact location unknown, coordinates estimated by label maker.The collections before this were north of Sugarloaf Mt., and collections after this were near Maple Springs) Comment
  CAS-BOT-BC502767  Orobanche bulbosa Peter H. Raven 1951-6-10 2924 Napa Crater Region S of Palisades 762 Comment
  CAS-BOT-BC500128  Orobanche fasciculata Peter H. Raven 1951-6-10 s.n. Napa Crater Region E of Palisades 762 Comment
  UCD167258  Orobanche uniflora Jake Ruygt 1998-4-18 3926 b Napa Blue Ridge about 1 mile north of Mays Flat. 701 Comment
  UC1125595  Orobanche uniflora subsp. occidentalis Beryl O. Schreiber 1938-4-24 2498 Napa Wooden Valley Grade, 5.2 mi NNE of Napa. Napa 7.5' Quad. Comment
  SEINET4854296  Orthocarpus lacerus Carl F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  POM15660  Orthocarpus lithospermoides var. bicolor C. F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  JEPS15890  Osmorhiza berteroi John Benson 1887-1-1 Napa Comment
  UCD160568  Osmorhiza berteroi G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UC658974  Osmorhiza berteroi Mildred E. Mathias 1937-5-23 1282 Napa Mount St. Helena; along Hwy 29 533 Comment
  CDA4676  Oxalis rubra W. O. McCartney 1966-5-12 49 Napa Monticello Road, 3 miles north of Vicky Road, Napa. 0 Comment
  JEPS106862  Packera breweri Jake Ruygt 1988-5-1 2163 Napa west of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  UCD134774  Packera eurycephala K. Esau; E. Hyde 1936-5-14 s.n. Napa Napa Valley. Comment
  UC662433  Packera eurycephala var. eurycephala E. B. Copeland 1941-5-7 Napa 10 to 20 mi n Monticello; North Coast Ranges Comment
  CAS-BOT-BC316942  Packera greenei Beecher Crampton 1957-6-4 4098 Napa above Capell Creek, north end of Capell Valley Comment
  JEPS106858  Packera greenei Jake Ruygt 1979-5-20 623 Napa about 1 mile east of HWY 29 on Livermore Road 533 Comment
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  UC1131609  Panicum capillare B. Schreiber 1936-9-20 2355 Napa 5 mi s Reiff; Reiff Quad. Comment
  JEPS122962  Panicum dichotomiflorum Jake Ruygt 1992-8-31 3135 Napa Wild Horse Valley Ranch, Leoma Lakes. Quad: Mount George. Comment
  UCR23701  Parvisedum pumilum John C. Roos 1939-4-18 296 Napa North Coast Range, Deer Lake. [near] Pacific Union College, Angwin 610 Comment
  UC205215  Parvisedum pumilum H. P. Chandler 1907-5-5 7557 Napa roadside near Yountville Comment
  JEPS129131  Pectocarya penicillata Jake Ruygt 2012-4-28 5832 Napa Crystal Flats, west of Putah Creek. Aetna Springs 7.5' Quad. Comment
  UCD123309  Pedicularis densiflora Gerald D. Carr 1971-3-3 521 Napa 1.3 miles west of Berryessa-Knoxville Rd. On California 128, 6 miles west of Moskowite Corners. Comment
  UC1278029  Pedicularis densiflora B. Crampton 1953-2-26 989 Napa about 6 mi e of Monticello (above Putah Creek, along State Hwy 128) Comment
  UC27314  Pedicularis densiflora Willis L. Jepson 1893-4-25 Napa trail to Leaux's Cabin; Napa River Basin Comment
  UC614477  Pedicularis densiflora L. Constance 1938-3-27 2036 Napa 5 mi e of Napa (e slope in the Howell Mountains); North Coast Ranges, Howell Mountains 457 Comment
  UCD36151  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  POM23402  Pellaea mucronata Edward L. Greene 1903-4-20 2613 Napa Mount Saint Helena Comment
  RSA602575  Pellaea mucronata L. C. Wheeler 1952-8-30 6882 Napa Manganese Ridge. Moore Creek, Howell Mountain 366 Comment
  CAS-BOT-BC71382  Pellaea mucronata Paul F. Covel 1940-4-28 1704 Napa Grade near Sanitarium Comment
  UCD149673  Pellaea mucronata var. mucronata Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  SEINET13260501  Pellaea ornithopus Unknown 1934-1 8671 Napa Sarco Creek, 5 mi above Napa Comment
  UCD89438  Pennisetum clandestinum Irving Grover 1952-6-10 s.n. Napa Napa. Comment
  RSA92803  Penstemon heterophyllus subsp. heterophyllus Peter H. Raven 1951-6-26 3059 Napa Wooden Valley Grade. 305 Comment
  SEINET12329993  Penstemon newberryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -305 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  RSA10641  Penstemon newberryi var. sonomensis Carl B. Wolf 1928-5-4 1849 Napa Upper slopes of Mount St. Helena. Comment
  UCD137752  Pentagramma triangularis Katherine Pinney 1975-4-15 32 Napa Wragg Canyon, 2.5 miles east of Wragg Canyon Road on Highway 128. 259 Comment
  CAS-BOT-BC71673  Pentagramma triangularis subsp. triangularis John H. Thomas 1955-5-21 5149 A Napa Along State Highway No. 128, about 4.5 miles south of Menticello 167 Comment
  CAS-BOT-BC71674  Pentagramma triangularis subsp. triangularis Alice Eastwood 1922-5-4 11267 Napa Mt. St. Helena Comment
  UCD48370  Pentagramma triangularis subsp. triangularis C. Matthews; K. Glover, C. Little, T. Petrie 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. South side of Decker Bay Trail; 250' W of junction with West Road. 152 Comment
  JEPS12439  Perideridia kelloggii W. L. Jepson 1915-4-23 6252 Napa Conn Valley Napa Range Comment
  JEPS104482  Perideridia oregana Jake Ruygt 1998-7-11 4081 Napa About 2 miles north of Pope Creek bridge on Berryessa-Knox Rd 149 Comment
  UCD164830  Perideridia oregana Jake Ruygt 2012-6-30 5867 Napa Crystal Flats, west of Putah Creek. 195 Comment
  CAS-BOT-BC419151  Persicaria maculosa Peter H. Raven 1951-6-26 3046 Napa Sarco Creek e. of Napa 60 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
  RSA637565  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles E of intersection of Hwy 128 and Chiles Pope Valley Road. 488 Comment
  UCD47958  Petrorhagia dubia Ryan Knox; E. McDermott and G. Walden 2002-4-13 9 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on north side of road near calcium seep area. 453 Comment
  CAS-BOT-BC134010  Phacelia distans John H. Thomas 1955-5-21 5173 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS110851  Phacelia distans Jake Ruygt 1994-3-15 3317 Napa Chiles Canyon Road about 1 mile from Chiles Valley 365 Comment
  UC1278087  Phacelia distans B. Crampton 1955-4-7 2441 Napa 1/2 mi nw Knoxville (ne Napa Co.) Comment
  UC672717  Phacelia imbricata W. S. Boyle 1942-4-25 1069 Napa 10 mi from Napa (1/4 mi e of Silverado Trail rd to Calistoga) Comment
  UCD120586  Phacelia imbricata Alan P. Godlewski 1974-5-3 20 Napa West of Lake Berryessa, approx. 75 yds from Highway 128. Comment
  UCSC000588  Phacelia imbricata subsp. imbricata Charisse Bickford 1979-5-14 s.n. Napa about 5 miles west of Winters Winters - Putah Canyon 579 Comment
  CAS-BOT-BC134012  Phacelia imbricata var. imbricata John H. Thomas 1955-5-21 5153 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 167 Comment
  UCD120299  Phacelia imbricata var. imbricata H. H. Dickson 1950-4-1 22 Napa Putah Canyon about 5 miles west of Winters. Comment
  JEPS126045  Phacelia suaveolens var. suaveolens Jake Ruygt 1989-5-13 2323 Napa Vaca Mount about 1 mile north of Mt. Vaca. Mount Vaca 7.5' Quad. Comment
  CAS-BOT-BC258829  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa In Napa Valley, near Calistoga 91 Comment
  RSA128561  Phalaris aquatica P. H. Raven 1951-6-24 3034 Napa Napa; 30 Comment
  UCR49791  Phalaris aquatica J. Nevin 1987-5-22 34 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  POM261554  Phalaris californica J. T. Howell 1940-5-19 15444 Napa Near Calistoga Comment
  JEPS122958  Phalaris paradoxa Jake Ruygt 1988-5-29 2207 Napa Northeast corner of Napa County; Homestake. Quad: Jericho Valley. Comment
  CAS-BOT-BC250851  Phleum pratense Peter H. Raven 1951-6-26 3048 Napa E. of Napa on Monticello Rd. 60 Comment
  UCD167204  Phlox gracilis Jake Ruygt 1986-3-14 1643 Napa north of Highway 12 near Sonoma county line. 106 Comment
  UCD102037  Phoradendron bolleanum O. A. Leonard 1962-3-9 s.n. Napa Near Napa-Lake County line, 4 miles northwest of Knoxville on road to Lower Lake. 640 Comment
  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
  JEPS110813  Phoradendron densum Jake Ruygt 1979-6-9 692 Napa .5 miles west of Berryessa-Knoxville Rd. on Devilshead Rd. 475 Comment
  UCD118117  Phoradendron leucarpum subsp. tomentosum Megan Mateo; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  CAS-BOT-BC171139  Phoradendron serotinum subsp. tomentosum J. J. Walters 1932-3-6 s.n. Napa St. Helena Comment
  CAS-BOT-BC140550  Physocarpus capitatus E. Ruckert 1960-5-8 147 Napa 6495 Dry Creek Road, field west of gate 365 Comment
  JEPS44811  Physocarpus capitatus W. L. Jepson 1895-11-26 13847 Napa La Jota Plateau Howell Mt Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  UC1129867  Pickeringia montana var. montana A. E. Wieslander 1931-5-11 182 Napa n slope of mt. n Calistoga; Calistoga Quadrangle, Mt. St. Helena 731 Comment
Read comments
Aug 15 2010
  UCD170184  Pickeringia montana var. tomentosa Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 773 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 462 Comment
  CDA7596  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  CDA7597  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  CAS-BOT-BC73327  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  JEPS47900  Pinus attenuata Willis L. Jepson 1893-5-4 Napa summit of Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  JEPS120365  Pinus lambertiana Jake Ruygt 1981-4-25 1001 Napa Oat Hill hear Lake County Line. Detert Reservoir 7.5' Quad. Comment
  UC182  Pinus ponderosa Davy 1894-10-1 Napa spur of Mt. St. Helena Comment
  UCD121150  Pinus ponderosa Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7348 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  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
  JEPS46896  Pinus sabiniana W. L. Jepson 1906-12-1 Napa St. Helena Comment
  RSA785707  Pinus sabiniana Carrie A. Herd 1982-5-9 99 Napa Sage Canyon Road, Con Dam area Comment
  UCD118541  Pinus sabiniana Roxanne Faure; 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
  SEINET11739558  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS102208  Piperia leptopetala J. Greenhouse with Jake Ruygt, Joe Callizo 2000-5-20 5007 Napa Adams Ridge. About 50 feet below Adams Ridge Rd., 1 mi from Devilshead Rd. in Hunting Creek BLM area N of Knoxville. 670 Comment
  UCD74375  Plagiobothrys bracteatus Jake Ruygt 2002-4-17 4387 Napa Sulphur Springs Rd., west of St. Helena. 76 Comment
  POM182729  Plagiobothrys canescens D. D. Keck 1931-4-3 1057 Napa Mouth of Pope Creek, Berryessa Valley, 6 miles NW. of Monticello. Comment
  UCD120814  Plagiobothrys canescens H. Popenoe 1949-4-17 13 Napa 8 miles west of Winters. Comment
  UCD164866  Plagiobothrys greenei Jake Ruygt 2012-4-21 5826 Napa Crystal Flats, west of Putah Creek. 259 Comment
  UCD23372  Plagiobothrys nothofulvus Rebecca L. Moehlmann 1977-4-16 16 Napa White flowers, pentamerous, pubescent. Foothill woodland with blue oak, live oak and digger pine. Beside Hwy 128, 6.4 miles southwest of Monticello Dam, roadside. Wragg Canyon. 198 Comment
  CAS-BOT-BC228491  Plagiobothrys strictus John Thomas Howell 1926-3-28 1778 Napa Myrtledale Hot Springs near Calistoga Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  JEPS24591  Plagiobothrys strictus E. L. Greene 1892-4-20 Napa Calistoga; about sulphur springs Comment
  JEPS106761  Plagiobothrys tenellus Jake Ruygt 1982-3-22 1143 Napa Kreuze Canyon 381 Comment
  JEPS68134  Plagiobothrys tenellus W. L. Jepson 1900-3-9 509 Napa Howell Mt. Comment
  JEPS60966  Plagiobothrys tener var. tener Elsa Kraeger 1926-3-27 Napa near Soscol Comment
  JEPS110787  Plantago elongata Jake Ruygt 1993-4-18 3213 Napa west of west end of Rio Del Mar Drive, American Canyon 1 Comment
  JEPS110786  Plantago erecta Jake Ruygt 1986-3-6 1633 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 146 Comment
  UCD159902  Plantago erecta Alice Warrick; K. Walker 2007-4-3 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD68116  Plantago erecta Hilary Jane Ernst 1981-5-2 25 Napa 2.8 miles Northwest on Highway 128 from Moskowite Corners, to left of road, up trail. In a chaparral plant association, dominated by Pinus sabiniana, on a 10 degree slope. 243 Comment
  POM195580  Plantago erecta H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  UCD124425  Plantago erecta Robert C. Bechtel 1952-4-6 52 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  UCD15036  Plantago erecta Rebecca L. Moehlmann 1977-4-16 12 Napa California, Napa Co. : Wragg Canyon, along the east side of Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam. 182 Comment
  JEPS110758  Plantago subnuda Jake Ruygt 1982-7-6 1364 Napa American Canyon area, next canyon north 173 Comment
  JEPS110775  Platystemon californicus Jake Ruygt 1998-4-18 3909 Napa Pope Valley, N of intersection of Pope Canyon Rd X Hardin Rd 182 Comment
  JEPS51615  Platystemon californicus W. L. Jepson 1923-4-29 9894 Napa St. Helena 91 Comment
  UC635474  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa between Calistoga and Petrified Forest; between Calistoga and Petrified Forest Comment
  UCD96076  Platystemon californicus R. L. Smith 1948-5-1 s.n. Napa east branch of Monticello Valley, 3 miles east of Samuel Springs. Comment
  JEPS110898  Plectritis brachystemon Jake Ruygt 1996-5-19 3720 Napa Chiles valley at east end of large meadow. 228 Comment
  JEPS4807  Plectritis brachystemon W. L. Jepson 6259 Napa Conn Valley Comment
  JEPS4815  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  JEPS6139  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4450 Napa near Wooden Valley Comment
  HSC21697  Plectritis ciliosa Greg Bos 1963-3-30 56 Napa 1 mi. S of Middletown on Butts Canyon Rd. 335 Comment
  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
  UCD137533  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Monticello Dam, off State Highway 128. Comment
  UCD49297  Plectritis congesta subsp. brachystemon Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 13 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. 10 ft. from creek bed. 182 Comment
  CDA10906  Plectritis macrocera G. F. Hrusa, M. Rejmanek 1993-5-15 11002 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS14266  Plectritis macrocera Bacigalupi and Dempster May, 1955 4446 B Napa between Chiles Valley and Monticello Valley Comment
  UC168965  Plectritis macrocera Joseph P. Tracy 1902-5-15 1483 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD48235  Plectritis macrocera M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 9 Napa McLaughlin UC Reserve. W side of Davis Creek Reservoir, 10 m S of road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and Ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  JEPS14270  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 B Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  UCD137615  Plectritis macrocera J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  JEPS122934  Pleuropogon californicus Jake Ruygt 1996-3-23 3536 Napa North side of Deer Park Road between Napa River and Highway 29. Quad: Saint Helena. Comment
  UC71014  Pleuropogon californicus Willis L. Jepson May 1892 Napa Napa Valley , Napa River Basin (Napa River Basin) Comment
  CAS-BOT-BC244371  Poa annua Peter H. Raven 1953-3-29 5209 Napa 2 miles S of Calistoga 106 Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 Comment
  UCD148605  Poa kelloggii G. F. Hrusa; G. L. Stebbins 1994-4-18 11782 -A Napa along upper Swartz Creek north tributary. 213 Comment
  CAS-BOT-BC6497  Poa napensis Alan Ackerman Beetle 1946-5-7 4256 Napa 2 miles N of Calistoga at Myrtledale Hot Springs Comment
  JEPS122737  Poa napensis Jake Ruygt 2011-6-18 5803 Napa Tubbs Lane/Fard Property, south of Myrtledale Road. Quad: Calistoga. Comment
  SEINET7546722  Poa napensis A. A. Beetle 1946-1 Napa Comment
  RSA129899  Poa pratensis P. H. Raven 1951-5-26 2890 Napa Howell Mountain above Pope Valley 305 Comment
  CDA11432  Poa secunda G. F. Hrusa, M. Tu 1995-5-6 12155 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  UCD18147  Poa secunda subsp. secunda Jean Shepard; with PLB 102 class 2000-4-29 202 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
  UCD90839  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7333 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  RSA128671  Pogogyne douglasii Peter H. Raven 1951-5-26 2880 Napa Butts Canyon. 305 Comment
  UC1177075  Pogogyne douglasii Peter H. Raven 1951-5-26 2880 Napa Butts Canyon 304 Comment
  SEINET7968092  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Near Calistoga. 91 Comment
  UC1279971  Pogogyne douglasii Peter H. Raven 1957-5-5 10749 Napa near geysers, Calistoga Comment
  UCD166670  Pogogyne douglasii Jake Ruygt 1982-6-13 1317 Napa Cedar Roughs near Guilliam Springs. 320 Comment
  UCD21501  Pogogyne serpylloides Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4403 Napa Quail Ridge Reserve. 262 Comment
  UCR23626  Pogogyne serpylloides John C. Roos 1939-4-29 291 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS51382  Polycarpon tetraphyllum W. L. Jepson 1897-5-2 Napa St. Helena; along railroad track 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
  JEPS43012  Polygala californica Elizabeth Ferguson 1920-5-15 353 Napa Toll Road Mt. St. Helena Comment
  POM262892  Polygala californica J. C. Roos 1939-4-18 313 Napa Howell Mountain, Napa Range Comment
  SEINET3269561 Image available Polygala californica M. F. Wojciechowski, K. P. Steele 2000-5-17 887 Napa Along CA 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  JEPS51315  Polygonum aviculare subsp. aviculare W. L. Jepson 1893-6-26 Napa Howell Mt. Napa Range Comment
  CAS-BOT-BC413935  Polygonum aviculare subsp. aviculare Peter H. Raven 1951-9-9 3893 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  CAS-BOT-BC109156  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  POM215137  Polygonum bolanderi D. D. Keck 1933-11-10 2721 Napa 1 mile N of Yountville Comment
  UC6670  Polygonum bolanderi Brewer 1861-11-11 854 Napa Napa Valley Comment
  JEPS50595  Polygonum californicum W. L. Jepson 1930-10-19 15687 Napa Pope Valley Comment
  JEPS50607  Polygonum hydropiper W. L. Jepson 1894-11-5 Napa towards Battle Mt. (near St. Helena) Comment
  CDA34675  Polygonum lapathifolium L. Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS50621  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River; bed Comment
  RSA26174  Polygonum patulum J. T. Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River. 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
  JEPS112591  Polygonum punctatum Jake Ruygt 1978-8-29 403 a Napa 0.6 mi N of Hoffman Lane on Solano Avenue 24 Comment
  JEPS116556  Polypodium calirhiza Jake Ruygt 2000-4-3 4229 Napa Henry Road, Henry Ranch, Carneros Valley. Napa 7.5' Quad. Comment
  JEPS116557  Polypodium calirhiza Jake Ruygt 2005-3-26 4712 Napa Marie Creek, below old dam. Mount George 7.5' Quad. Comment
  UC440186  Polypodium calirhiza W. L. Jepson Nov. 1895 Napa St. Helena Comment
  UCD136973  Polypodium calirhiza D. H. Hartmann 1942-3-7 s.n. Napa Green Valley. Comment
  CDA34668  Polypogon interruptus L. Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CHSC102289  Polypogon interruptus Lowell Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD91027  Polypogon interruptus R. Tofsrud 1941-6-1 23 Napa Few miles south of Calistoga. Comment
  CAS-BOT-BC237256  Polypogon monspeliensis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs Comment
  CAS-BOT-BC72149  Polystichum californicum Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house Rd. below Mt. St. Helena Comment
  JEPS116567  Polystichum dudleyi Jake Ruygt 1999-7-10 4204 b Napa Spring Street near White Sulphur Springs. Rutherford 7.5' Quad. Comment
  JEPS116570  Polystichum imbricans subsp. imbricans Jake Ruygt 2002-3-16 4362 Napa Troutdale Creek west of Highway 29. Detert Reservoir 7.5' Quad. Comment
  JEPS122748  Proboscidea lutea Jake Ruygt 2006-9-10 5100 Napa West side of Highway 29, south of Darms Lane. Quad: Napa. 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
  UC466722  Prunus emarginata H. P. Chandler 1907-4-14 7506 Napa St. Helena, near Sanitarium St. Helena Comment
  JEPS110646  Prunus subcordata Jake Ruygt 2003-4-14 4496 Napa Eticuera Creek at the crossing N of the stone bridge 205 Comment
  UC12813  Prunus subcordata Willis L. Jepson 1893-5-8 Napa New Eden Napa River Basin Comment
  UC467871  Prunus subcordata H. P. Chandler 1907-4-21 7532 Napa Road from Glen Ellen to Oakville (side of Summit) Comment
  JEPS110647  Prunus virginiana var. demissa Jake Ruygt 2002-5-6 4414 Napa Monticello Road near Circle Oaks 350 Comment
  JEPS44925  Prunus virginiana var. demissa W. L. Jepson 1897-4-30 13841 Napa sw of Calistoga (Upper Napa Valley, Rebecca Ranch grade); Hoods Peak Range, Upper Napa Valley, Rebecca Ranch grade Comment
  JEPS20462  Pseudognaphalium beneolens Willis L. Jepson 1903-9-6 2349 Napa St. Helena Napa River Basin, St. Helena Comment
  JEPS106916  Pseudognaphalium biolettii Jake Ruygt 1988-7-19 3516 Napa Skyline Park, Sugarloaf trail. 420 Comment
  JEPS106917  Pseudognaphalium biolettii Jake Ruygt 1996-4-6 3561 b Napa East end of Rector Reservoir. 152 Comment
  JEPS106909  Pseudognaphalium luteoalbum Jake Ruygt 1987-7-23 2079 Napa Willis Dr., Napa 15 Comment
  UCD149589  Pseudognaphalium luteoalbum 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
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD63178  Pseudognaphalium microcephalum Jake Ruygt 1988-3-26 2138 Napa east of Toll canyon on Blue Ridge. 673 Comment
  JEPS48289  Pseudotsuga menziesii var. menziesii W. L. Jepson 1903-9-7 2356 Napa hills w of St. Helena (York Canon Road); , York Creek Canon 548 Comment
Read comments
Oct 2 2012
  UC650501  Pseudotsuga menziesii var. menziesii Ira L. Wiggins 1928-3-24 2863 Napa grade on old road to Lake Co., above Calistoga Comment
  JEPS106886  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1992-6-2 3017 Napa Mitten Lake, Wild Horse Valley Ranch 409 Comment
  CAS-BOT-BC361891  Psilocarphus tenellus Peter H. Raven 1950-5-6 2030 Napa Along Rt. 28, Calistoga 60 Comment
  UCD118095  Pteridium aquilinum var. pubescens Megan Mateo; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  CAS-BOT-BC36513  Quercus Peter H. Raven 1952-8-28 5157 Napa near Napa Soda Springs 228 Comment
  UCD148749  Quercus X morehus Jake Ruygt 2007-2-18 5120 Napa Napa County; Las Posadas State Forest; on ridge between Uncle John and Moore Creeks. 432 Comment
  UCD170369  Quercus X morehus Daniel Potter; N Khuu, K Battenberg 2016-4-30 867 Napa Knoxville Wildlife Area, east of Nevada Creek Comment
  JEPS37708  Quercus agrifolia W. L. Jepson 1895-11-25 Napa St. Helena Comment
  SD125384  Quercus agrifolia William C. Overton 1980-7-13 Napa Along south bank of Eticuera Creek, 1.5 miles north of Lake Berryessa. 177 Comment
  UCD149563  Quercus agrifolia G. Ledyard Stebbins 1994-10-5 s.n. Napa Hennessey Lake. At the junction of Route 128 [and Chiles Pope Valley Road]. Comment
  UCD149630  Quercus agrifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Chiles Valley summit, [near] 128. Comment
  UCD45141  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa From a population of Q. agrifolia, Q. wislizenii, and a few hybrids; along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif, elev. 580 feet. Location is to the west of Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). No. 1 of 4 sheets. 176 Comment
  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
  JEPS116543  Quercus berberidifolia Jake Ruygt 1990-4-7 2460 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  UCD14834  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -7 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  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
  UCD92280  Quercus berberidifolia D. Q. Cavagnaro 1963-10-18 224 Napa 0.4 miles west of Monticello Dam. 30 Comment
  UCR212388  Quercus berberidifolia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
Read comments
Oct 11 2010
  SEINET3140220  Quercus chasei Unknown 1994-10-29 sn Napa Mt. George, north-ne. side ca. 400m Comment
  CAS-BOT-BC62458  Quercus chrysolepis Peter H. Raven 1951-8-19 3838 Napa nr. Lokoya 487 Comment
  JEPS2952 Image available Quercus chrysolepis W. L. Jepson 1893-5-4 Napa summit Mt. St. Helena; Napa River Basin; Mt. St. Helena, Napa River Basin Comment
  JEPS84696  Quercus chrysolepis John W. Willoughby 1976-4-12 1378 Napa w side Blue Ridge (near Mount Vaca); Vaca Mountains 792 Comment
  SACT002631  Quercus chrysolepis John Willoughby 1977-2-1 Napa East side of Mount Vaca, just below summit along road, near stand of Torreya californica, in chaparral. Comment
  UC1135373  Quercus chrysolepis J. B. Spring, R. W. Lundh 1932-6-27 89 Napa 1.5 mi s and 0.25 mi e McCormack Ranch; Santa Rosa Quad. 548 Comment
  JEPS37392  Quercus douglasii Willis L. Jepson 1901-8-6 1722 Napa Howell Mt. grade Napa River Basin Comment
  UCD148822  Quercus douglasii Ellen Dean; Diana Hickson 2014-4-29 8127 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD45687  Quercus douglasii M. Wiesendanger 1926-4-1 1493 Napa Blue Oak. Comment
  UCD45739  Quercus douglasii John M. Tucker 1954-9-23 2755 Napa East side of Highway 37 .1 mile south of junction with Wooden Valley Road (about 9.5 miles north-east of Napa), Napa County, California. Comment
  UCD48036  Quercus douglasii A. Atamian; C. Owens, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 18 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 250 meters east of old road in an oak woodland, near a burned area (burned Oct 1999). 640 Comment
  UCD92305  Quercus douglasii J. M. Tucker 1954-9-23 2756 Napa West side of Highway 37. 0.1 mile south of junction with Wooden Valley Road (about 9.5 miles northeast of Napa). Comment
  CDA21884  Quercus durata H. Stabo 1968-10-21 Napa 0 Comment
  RSA624178  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2007 -24 Napa Beside road up Howell Mountian, 5.6 mi. north of St. Helena. Comment
  RSA8544  Quercus durata J. T. Howell 1933-8-27 11642 Napa Sage Canyon, Napa Range. Comment
  UCD14836  Quercus durata John M. Tucker 1950-11-12 2014 -12 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD160803  Quercus durata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8683 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
  UCR43184  Quercus durata L. F. LaPre 1985-5-3 s.n. Napa Inner North Coast Ranges, Livermore Road between hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake county line, south of Three Peaks. 671 Comment
  UCD48034  Quercus durata var. durata S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 16 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 531 Comment
  JEPS37948  Quercus garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  UCD148750  Quercus garryana Jake Ruygt 1999-5-14 4152 Napa Napa County; Lake Hinman, west of Yountville Veteran's Home. 109 Comment
  UCD46206  Quercus garryana John M. Tucker 1950-11-5 2005 1 Napa California, Napa Co.; near Angwin, on Howell Mountain, beside road from Pope Valley. (Collections made from 8 trees). Comment
  UCD14960  Quercus garryana var. garryana John M. Tucker 1976-10-24 4385 Napa California, Napa Co.; beside Dry Creek Road, 1.4 mi. east of junction with Wall Road, and 4.4 mi. (by road) southwest of Oakville; Comment
  CDA29134  Quercus kelloggii D. G. Kelch, Daniel Weinstein 2009-6-21 9 .445 Napa Near Skyline Park. Comment
  JEPS37754  Quercus kelloggii W. L. Jepson 1896-2-22 14829 Napa Howell Mt. Comment
  UC521690  Quercus kelloggii Joseph Andorfer Ewan 1933-9-17 8012 Napa trail above Mt. St. Helena <???>; Mt. St. Helena 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
  UCD46636  Quercus kelloggii Beecher Crampton 1962-5-16 6430 Napa 1/2 mile W Aetna Springs. 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-BC62881  Quercus lobata John Thomas Howell 1933-8-27 11630 Napa Sage canyon, Napa Range Comment
  JEPS116529  Quercus lobata Jake Ruygt 2004-4-12 4584 Napa Gordon Valley Road, south side of Okell Hill. Fairfield North 7.5' Quad. Comment
  UC615360  Quercus lobata Beryl O. Schreiber 1932-4-3 201 Napa road to Calistoga Comment
  UCD83400  Quercus lobata Jake Ruygt 1996-5-4 3643 Napa Butts Canyon Rd. at James Creek Rd.; field to SE. 210 Comment
  CLARK-A1528-2913  Quercus wislizeni John C. Roos 1939-4-16 284 Napa Angwin Comment
  CDA11911  Quercus wislizeni var. frutescens G. F. Hrusa, G. L. Stebbins 1994-3-11 11609 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  UCD63165  Rafinesquia californica Jake Ruygt 1980-5-13 891 Napa Mt. St. John. 441 Comment
  JEPS110889  Ranunculus arvensis Jake Ruygt 1991-5-6 2646 Napa Wantrop Preserve, Pope Valley 184 Comment
  UC917102  Ranunculus californicus D. C. Finfrock 1950-4-2 15 Napa 2 mi from St. Helena (on Pope Valley Rd) 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
  UC9417  Ranunculus californicus Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  POM263164  Ranunculus muricatus J. C. Roos 1939-4-18 314 Napa Howell Mountain, Angwin. Comment
  UC162878  Ranunculus occidentalis Joseph P. Tracy 1902-5-22 1631 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD148829  Ranunculus occidentalis Ellen Dean; Diana Hickson 2014-4-29 8134 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD149702  Ranunculus occidentalis Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD96822  Ranunculus occidentalis H. B. Nidever 1951-3-8 1 Napa 1.5 miles north of Lazy F Ranch, Putah Canyon. 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
  UCD167158  Ranunculus orthorhynchus var. bloomeri Jake Ruygt 2015-3-14 6041 Napa Silverado Trail about 0.2 miles north of First Street. 5 Comment
  POM149990  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga. Comment
  POM306532  Ranunculus pusillus A. M. Ottley 1921-5-6 1327 Napa San Francisco Bay area, N of St. Helena, Wet meadow Comment
  UCD115213  Raphanus sativus H. Popenoe 1949-4-17 6 Napa along Putah Creek. Comment
  UC2013271  Reseda luteola David Keil with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. Comment
  CDA949  Rhagadiolus stellatus D. G. Kelch 2002-4-1 2 .001 Napa Napa; Redwood Rd., west of town. 0 Comment
  CAS-BOT-BC362892  Rhagadiolus stellatus Alice Ackley; Marie Taylor 1978-3-28 s.n. Napa Triniti Road Comment
  CAS-BOT-BC56019  Rhamnus ilicifolia H. E. McMinn 1922-3-27 55 Napa Slope on Mt. St. Helena Comment
  SBBG14329  Rhamnus ilicifolia L. B. Hendrix 1962-5-5 41 Napa S end of Lake Berryessa Comment
  UCD18009  Rhamnus ilicifolia Ellen Dean; with Plant Biology 102 class 2001-4-28 741 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, near Lake Berryessa inlet, ca. 30 feet up from water level, south side of trail. 243 Comment
  JEPS760  Rhamnus tomentella subsp. tomentella W. L. Jepson 1916-8-7 6839 Napa Moore's Creek Howell Mt. 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
  SBBG50855  Rhododendron occidentale R. Beaver 1965-5-1 149 Napa 14 mi N of jct of Hwy 121 and 128 Comment
  UCD20704  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  UCSB4808  Rhododendron occidentale Keator, Glenn 1959-3-28 Napa About 1/4 mile above Conn's picnic grounds near Lake Hennessey, Napa Range Comment
  CDA38892  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., Northeast side of road, south bank, 50' southeast of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. 0 Comment
  CAS-BOT-BC168115  Rhus aromatica Elizabeth Wright 1923-3-20 s.n. Napa Capell Cr. between St. Helena & Putah Cr. Canyon Comment
  CAS-BOT-BC200715  Rhus aromatica Ella Dales Cantelow 1939-4-8 2495 Napa Few miles s. of Knoxville Comment
  NY199504  Rhus aromatica var. trilobata D. K. Christopher 2003-4-12 151 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 166 Comment
Read comments
May 8 2010
  UC1543120  Rhus trilobata Charlotte G. Nast 1936-3-27 39 Napa Putah Canyon Comment
  UCD164845  Ribes californicum Jake Ruygt 2012-4-16 5817 -x Napa Near north end of Spanish Valley; along road leading east. 256 Comment
  JEPS126022  Ribes californicum var. californicum Jake Ruygt 1977-3-6 140 Napa East of Basalt Rock quarry. Mount George 7.5' Quad. Comment
  CAS-BOT-BC168937  Ribes malvaceum Milo S. Baker 1931-4-1 5096 Napa In canyon 5 mi. N.E. of Napa on Monticello Road, on north side. Comment
  UC921821  Ribes malvaceum Milo S. Baker 1931-4-1 5096 Napa in canyon 5 mi ne Napa (on Monticello road, n side) Comment
  UCD102295  Ribes malvaceum G. Fields 1966-3-18 s.n. Napa 2 miles west of L. Berryessa. Comment
  UCD170208  Ribes malvaceum var. malvaceum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 749 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 363 Comment
  JEPS49465  Ribes roezlii var. cruentum Willis L. Jepson 1893-4-25 13525 Napa trail to Caux's Knob (mts. w of St. Helena); Napa River Basin Comment
  JEPS49466  Ribes roezlii var. cruentum Willis L. Jepson 1893-5-5 13523 Napa below Toll-House (Middleton grade); Napa River Basin, Mt. St. Helena Comment
  UC1176937  Ribes victoris var. minus Peter H. Raven, G. L. Stebbins Jr. 1953-4-19 5330 Napa e Chiles Valley; Soda Creek 137 Comment
  CAS-BOT-BC363050  Rigiopappus leptocladus John H. Thomas 1955-5-21 5168 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  SD125483  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa along state Highway 128, 0.2 miles south of intersection with Berryessa-Knoxville road, Capell Valley Comment
  UCD38692  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  CAS-BOT-BC340994  Robinia pseudoacacia Peter H. Raven 1953-5-2 5420 Napa Napa River near Bridge, Napa 45 Comment
  JEPS106792  Rorippa curvisiliqua Jake Ruygt 1992-7-10 3085 Napa Yountville Ecological Reserve, Yountville Crossroad 26 Comment
  CAS-BOT-BC74592  Rorippa curvisiliqua John Thomas Howell 1926-4-3 1782 Napa Near Yountville. Comment
  CAS-BOT-BC74596  Rorippa curvisiliqua Peter H. Raven 1952-5-31 4112 Napa Conn Creek east of Yountville. 45 Comment
  UCD74397  Rorippa curvisiliqua Jake Ruygt 1986-5-19 1779 Napa Napa River at confluence of Tulocay Cr. 1 Comment
  UCD148771  Rorippa palustris subsp. palustris Jake Ruygt 2004-4-3 4578 Napa Napa County; east of Knoxville Creek on ridge bordering Foley Creek. 414 Comment
  CAS-BOT-BC147536  Rosa californica Peter H. Raven 1952-8-26 5146 Napa Railway 3/4 mi. w. of Buchli Sta. 30 Comment
  CAS-BOT-BC148154  Rosa gymnocarpa Peter H. Raven 1950-5-6 2035 Napa S. limits of Calistoga, on Rt. 28 60 Comment
  SEINET11910993  Rosa gymnocarpa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -311 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  JEPS112568  Rosa spithamea Jake Ruygt 1989-5-20 2338 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 798 Comment
  CAS-BOT-BC156589  Rubus bifrons Peter H. Raven 1952-5-29 4075 Napa Napa River 1 mi. n. Napa 60 Comment
  UC1789148 Image available Rubus ulmifolius var. ulmifolius Barbara Ertter, Lincoln Constance 1997-11-27 15885 Napa Highway 29 on north side of Mount St. Helena, roadside at edge of serpentine area Comment
  CAS-BOT-BC110482  Rumex Saichi Kawahara 1968-4-20 356 Napa Pope Valley-Angwin Road, 2 miles southwest of Pope Valley. 499 Comment
  JEPS120317  Rumex californicus Jake Ruygt 1990-5-12 2544 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  JEPS120355  Rumex occidentalis Jake Ruygt 1980-6-1 906 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  RSA170398  Rupertia physodes J. D. Olmsted 5058 Napa Cold Creek; 150 yds above road by Monticello Dam, Vaca Mtns. Comment
  UCD148762  Sagina decumbens subsp. occidentalis Jake Ruygt 1985-4-7 1584 Napa Napa County; Los Posados State Forest. 390 Comment
  CDA24079  Sagina procumbens Gene Cornett 1963-5-21 Napa Mid City Nursery, 3635 Broadway, Vallejo. 0 Comment
  CAS-BOT-BC108669  Salix breweri L. R. Abrams 1928-5-4 12283 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC108671  Salix breweri David D. Keck 1931-5-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  UC1010435  Salix breweri Milo S. Baker 1931-4-2 5127 Napa on Middletown Rd. 7 mi from Pope Val. Store Comment
  UC481209  Salix breweri Ball, Bracelin, Parks and Parks 1931-4-21 26 Napa near junction with St. Helena Creek (about 6 km s of Middletown, about 120 m above creek mouth); Mirabel Creek 420 Comment
  UC482101  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley (about 1 1/2 mi from entrance of canyon); Butt Canyon Comment
  UC482103  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 a Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UCD164792  Salix breweri Jake Ruygt 1994-3-5 3406 Napa Hunting Creek. 280 Comment
  POM202754  Salix exigua I. L. Wiggins 1932-3-12 5756 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  RSA3941  Salix exigua I. L. Wiggins 1932-3-12 5756 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  RSA3942  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UCD110949  Salix exigua Bob Wych 1975-5-29 37 Napa Wragg Canyon Road, 0.2 mile north of intersection with State Highway 128. Comment
  JEPS38362  Salix laevigata Willis L. Jepson 1903-9-6 2341 Napa St. Helena; Napa River Basin Comment
  POM106776  Salix laevigata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD164802  Salix laevigata Jake Ruygt 1994-4-26 3356 -b Napa North of Barnett and Pope Valley Rd. 240 Comment
  UC5035  Salix lasiandra subsp. lasiandra W. L. Jepson May 1895 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UCD164813  Salix lasiandra var. lasiandra Jake Ruygt 2007-3-31 5138 Napa Las Posadas State Forest, Moore Creek near Recreational Flat. 359 Comment
  CAS-BOT-BC107047  Salix lasiolepis C. R. Ball; Harold E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  CDA21153  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 A Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  JEPS13832  Salix lasiolepis Willis L. Jepson 1903-9-6 2346 Napa St. Helena; Napa River Basin Comment
  UC483316  Salix lasiolepis Ira L. Wiggins 1932-3-12 5751 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  UC504071  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  UCD164809  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 miles NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  CAS-BOT-BC124415  Salix lasiolepis var. lasiolepis Peter H. Raven 1954-2-22 6418 Napa flood plain of White Sulphur Creek 106 Comment
  CAS-BOT-BC124417  Salix lasiolepis var. lasiolepis Elsa G. Ruckert 1960-3-12 20 Napa 5 1/2 miles from Highway 12 on east side of Dry Creek Road, 100 yards from county road 335 Comment
  CAS-BOT-BC129002  Salix sitchensis Dan Axelrod 1929-6-30 s.n. Napa Lokoya Comment
  UCD144655  Salvia columbariae Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCSB24695  Salvia sonomensis McMinn, Howard 1925-5-25 Napa Summit Wooden Valley grade Comment
  SEINET12323505  Salvia sonomensis W. Knight, Knight, I. 1982-1 4678 Napa Wooden Valley Road Comment
  JEPS106728  Sambucus mexicana Jake Ruygt 1979-5-23 630 Napa Trancas St. bridge at Napa River 6 Comment
  UCD15500  Sambucus mexicana Ted Graber 1984-5-12 19 Napa 1 mile West from Conn Dam. Comment
  UCD137701  Sambucus nigra subsp. caerulea M. Wiesendanger 1926-4-1 1499 Napa exact location unknown. Comment
  RSA802287  Sanicula Keith E. Hoffmaster 1946-3-23 1259 Napa Along Monticello - Napa Road. Comment
  CAS-BOT-BC223274  Sanicula bipinnatifida E. Ruckert 1960-4-29 121 Napa Wall Road, 1/2 mile west from juncture of Dry Creek Road 396 Comment
  JEPS223  Sanicula bipinnatifida W. L. Jepson 1915-4-23 6267 Napa Chiles Creek hills Napa Range Comment
  UCD81468  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  RSA195384  Sanicula bipinnatifida Gilbert Muth 1967-4-9 623 Napa near Cassidy Creek 335 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
  UCD73417  Sanicula laciniata Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
Read comments
Jan 25 2012
  UCD63191  Sanicula laciniata Jake Ruygt 2002-4-1 4380 Napa West of Calistoga above Blossom Creek. 213 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
  UC1245377  Sanicula tuberosa Joseph P. Tracy 1950-5-23 18681 Napa Howell Mt, in Las Posadas State Forest, Head of Moore's Creek Moore's Creek; Howell Mt, Las Posadas State Forest, Moore's Creek 365 Comment
  CAS-BOT-BC94882  Saxifraga californica R. C. Wenk 2006-4-30 438 Napa Robert Louis Stevenson S.P., trail E from Hwy 29 parking lot for trail to Mt. St. Helena, 0.5 mi from lot on left side Comment
  JEPS81600  Saxifraga californica R. Raiche 1982-3-7 20192 Napa 1.3 mi n of Sage Canyon Road (on Chiles and Pope Valley Road) Comment
  JEPS120427  Saxifraga californica Jake Ruygt 2010-3-27 5491 Napa Devil's Canyon on east side near falls. Comment
  JEPS8801  Scabiosa atropurpurea W. L. Jepson 1925-9-27 10748 Napa Howell Mountain Comment
  UCD128134  Scandix pecten-veneris R. Tofsrud Date Unknown s.n. Napa Exact location unknown. Comment
  UCSB4655  Scandix pecten-veneris Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  RSA121050  Schedonorus arundinaceus Glenn R. Hall 1956-4-23 s.n. Napa Napa. Comment
  SEINET10333154  Schoenoplectus acutus A. A. Beetle 1940-5-5 1586 Napa One mile north of County Line on road from Vallejo to Napa Comment
  CAS-BOT-BC21127  Schoenoplectus acutus var. occidentalis Peter H. Raven 1951-9-9 3910 Napa Slaughterhouse Pt., Napa River. 0 Comment
  RSA92927  Schoenoplectus robustus Peter H. Raven 1951-9-9 3900 Napa Near slaughterhouse Point, Napa River. 0 Comment
  CDA11595  Scirpus fluviatilis G. F. Hrusa, S. Larson 1995-4-1 12061 Napa North Coast Biodiversity Arena; Along Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  CDA34665  Scirpus maritimus L. Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CDA37948  Scirpus microcarpus D. G. Kelch 2010-5-6 10 .163 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS63962  Scirpus microcarpus W. L. Jepson 1918-6-24 7667 Napa half way to toll-house on Mt. St. Helena from Calistoga (Silverado); , half way to toll-house on Mt. St. Helena Comment
  JEPS121371  Scirpus tuberosus Jake Ruygt 1986-8-23 1909 b Napa Lake Hennessey, near spillway. Comment
  JEPS126132  Scleranthus annuus subsp. annuus Jake Ruygt 2010-6-21 5642 Napa Bear Valley north of pond. Detert Reservoir 7.5' Qua. Comment
  CAS-BOT-BC240026  Scribneria bolanderi John Thomas Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  UCD41468  Scrophularia californica Ellen Dean; Deborah Canington 2003-3-1 1365 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along Decker Bay Trail, right along stream. 176 Comment
  JEPS77936  Scrophularia californica subsp. floribunda Edward Lee 1936-3-15 1791 Napa 2.3 mi by road out of Rutherford (road from Rutherford to Pope Valley); Conn Creek Comment
  UCD20500  Scutellaria californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1071 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  UCD160790  Scutellaria siphocampyloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8670 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  JEPS62903 Image available Scutellaria siphocampyloides W. L. Jepson 1938-6-8 18903 Napa Butts Canyon Butts Canyon Comment
  CAS-BOT-BC417000  Sedella pumila John Thomas Howell 1926-3-27 757 A Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC417002  Sedella pumila Rimo Bacigalupi 1947-4-13 2818 Napa Silverado Highway, E side of Napa Valley, 6 mi. SE of Yountville Comment
  RSA201806  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa Just N of Soscol House restaurant, ca. 2 miles S of Napa State Hospital, State Hwy 29. Comment
  SFV12213  Sedella pumila W. R. Russell 1967-5-10 s. n. Napa Just north of Soscol House restaurant, about 2 miles south of Napa State Hospital on State Highway 29. Comment
  UC205176  Sedum radiatum Katharine Brandegee 1909-6-1 Napa Pope Valley grade 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-BC69711  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley. Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 Comment
  UCD37183  Senecio aronicoides Beecher Crampton 1958-4-29 4753 Napa north end of Capell Valley, Highway 128, Capell Creek. Comment
  JEPS37452  Senecio aronicoides W. L. Jepson 1938-5-22 18837 Napa Howell Mts. Comment
  CDA11828  Senecio clevelandii G. F. Hrusa 1993-10-3 11425 Napa North Coast Biodiversity Arena; 2.6 m. SW along Knoxville-Devilhead Rd. from Knoxville-Berryessa Rd. 487 Comment
  RSA122332  Senecio eurycephalus B. O. Schreiber 1938-4-24 2506 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UCD161513  Senecio flaccidus var. douglasii Jake Ruygt 1989-6-3 2364 Napa Highway 128 southwest of Monticello Dam about 1/2 mile. 188 Comment
  UCD135756  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa south of road, summit of Oakvillegrade Road. Around 4 miles southwest of Oakville. Comment
  CAS-BOT-BC364594  Senecio vulgaris John H. Thomas 1955-5-21 5122 A Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS17417  Senecio vulgaris W. L. Jepson 1936-5-31 17572 Napa e of St. Helena; Howell Mountain, Jota Plateau Comment
  UCD159909  Senecio vulgaris Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  JEPS110710  Sidalcea diploscypha Jake Ruygt 1978-5-21 324 Napa 2.9 miles east of Silverado Trail on Sage Canyon Rd. 97 Comment
  SBBG100017  Sidalcea diploscypha B. Ertter, A. Carter 1989-5-28 8500 Napa Berryessa-Knoxville Rd N of Lake Berryessa, 4.7 mi S of Knoxville tunnel, along Eticuera Crk 304 Comment
  UCD41312  Sidalcea diploscypha Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 4 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  JEPS77785  Sidalcea diploscypha Douglas W. James Jr. 1973-5-5 91 Napa not far from the 4-H camp pool (Las Posadas State Forest); Las Posadas State Forest 335 Comment
  JEPS50055  Sidalcea hartwegii W. L. Jepson 1897-5-2 14069 Napa near St. Helena; near St. Helena Comment
  JEPS122706  Sidalcea hirsuta Jake Ruygt 2007-5-10 5171 Napa G. I. Landfill site, Butts Canyon Road about 3 miles south of Middletown. Quad: Detert Reservoir. Comment
  UCD167291  Sidalcea hirsuta Jake Ruygt 2007-5-10 5171 Napa G.I. Landfill site, Butts Canyon Road about 3 miles south of Middletown. 335 Comment
  UCD170154  Sidalcea keckii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 784 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 429 Comment
  UCD116607  Sidalcea keckii John D. Atkin 1952-5-1 6 Napa on north slope of Portugese Canyon, about 1 mile up Putah Creek from Recreation Beach. Comment
  JEPS67230  Sidalcea malviflora subsp. laciniata Willis L. Jepson 1893-4-26 14076 Napa Vineland Napa River Basin, Napa Valley, Vineland Comment
  JEPS106852  Silene californica Jake Ruygt 1980-6-22 942 Napa .1 mile south of Snell Valley Rd. on Butts Canyon Rd. 198 Comment
  JEPS50967  Silene californica W. L. Jepson 1924-5-8 10414 Napa Pope Creek Pope Creek (Canyon flat) Comment
  JEPS126120  Silene gallica Jake Ruygt 1978-5-1 210 Napa East of east end Westgate Drive, Silverado Country Club. Mount George 7.5' Qua. Comment
  CAS-BOT-BC389181  Silene laciniata subsp. californica Joseph P. Tracy 1905-7-5 2208 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles East of Angwin's 457 Comment
  POM118568  Sisyrinchium bellum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  POM182695  Sisyrinchium bellum D. D. Keck 1931-4-2 1003 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  UCD138856  Sisyrinchium bellum Unknown Collector 1935-5-5 s.n. Napa Calistoga, near Petrified Forest. Comment
  UCD18366  Sisyrinchium bellum R. Wenk 2000-5-14 3 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UCD20822  Sisyrinchium bellum N. Nicola 2001-3-29 038 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  UCD48732  Sisyrinchium bellum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 18 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, 1/4 mi. from jct with West Rd. 152 Comment
  RSA125805  Sisyrinchium bellum Peter H. Raven 1958-5-5 10740 Napa Near the Hot Springs, Calistoga. 91 Comment
  CDA5926  Solanum americanum J. T. Howell 1975-10-23 51510 Napa St. Helena. 0 Comment
  UCD49293  Solanum parishii A. Collier; D. Caterson and S. Kenady 2002-5-4 14 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines, 2 m N of road. 335 Comment
  UCD126993  Solanum parishii M. R. Wanzer 1948-5-6 11 Napa Putah Creek Canyon, 8 miles west of Winters. Comment
  UCD127080  Solanum xanti Andreas Stohr 1996-4-21 6 Napa along Road 128 near Cold Canyon Preserve. 180 Comment
  UCD63168  Solidago velutina subsp. californica Jake Ruygt 2001-10-22 4344 Napa Napa Valley, Solano Avenue at Dry Creek Rd. 30 Comment
  UCD120783  Sonchus oleraceus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7327 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  CAS-BOT-BC5578  Sparganium californicum E. L. Greene s.n. Napa Calistoga Comment
  UCD99232  Spergularia macrotheca var. leucantha S. Galen Smith; J. Anderson 1957-6-7 2957 Napa Myrtledale Hot Springs, 1.5 miles north of Calistoga. 121 Comment
  JEPS106586  Spergularia rubra Jake Ruygt 1978-5-7 292 Napa .5 miles south of Monticello Rd. near Mt. George 414 Comment
  UCD118611  Spergularia rubra William Goss; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 Comment
  CAS-BOT-BC390563  Spergularia rubra Peter H. Raven 1952-5-31 4163 Napa Flood plain of Rector Creek 121 Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  SEINET9367953  Stachys ajugoides var. ajugoides Unknown 1995-9-12 12461 Napa Napa County Comment
  JEPS112631  Stachys ajugoides var. rigida Jake Ruygt 1996-4-20 3616 Napa Jameson Vineyards, Jameson Canyon. 79 Comment
  UCD18106  Stachys albens K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 42 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
  POM196464  Stachys emersonii J. T. Howell 1926-3-20 1700 Napa Mt. St. Helena below the old tool house. 457 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
  JEPS106612  Stellaria nitens Jake Ruygt 1996-4-10 3575 Napa Soda Spring, White Cliff Springs 396 Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  CAS-BOT-BC375246  Stephanomeria elata Peter H. Raven 1951-8-21 3873 Napa Mt. Veeder 762 Comment
  UCD37097  Stephanomeria virgata Beecher Crampton 1956-8-28 3878 Napa 0.5 mile southwest of Monticello Dam, Vaca Mountains. Comment
  JEPS115765  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll Creek north 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 19 133 Comment
  RSA769213  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above high water line of Lake Berryessa, along the west side of Capell Creek north 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
  UCD169855  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along the west side of Capell Creek north 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
  JEPS122933  Stipa miliacea var. miliacea Jake Ruygt 1988-5-3 2173 Napa Pope Street at Napa River, St. Helena. Quad: Saint Helena. Comment
  UCD170572  Stipa miliacea var. miliacea Daniel Potter; N Khuu, K Battenberg 2016-4-30 865 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  JEPS122968  Stipa pulchra Jake Ruygt 1983-3-26 1391 Napa 0.2 mile east of Conn Creek on Conn Valley Road. Quad: Saint Helena. Comment
  CAS-BOT-BC61250  Streptanthus breweri John Thomas Howell 1929-5-30 4273 Napa Napa Range. Near Pope Valley Creek, near Samuels Springs. Comment
  CAS-BOT-BC61253  Streptanthus breweri Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5323 Napa Soda Creek, east of Chiles Valley. 121 Comment
  CAS-BOT-BC61254  Streptanthus breweri Peter H. Raven 1952-5-26 4057 Napa 5 miles east Pope Valley P.O. on Monticello Road. 176 Comment
  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
  UCD115954  Streptanthus breweri Robert E. Preston 1987-6-20 567 Napa 0.75 mile north of Round Corral in Big Basin. 268 Comment
  UC956585  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-6-18 1047 Napa Sage Canyon North Coast Ranges Comment
  CAS-BOT-BC87155  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1941-6-22 16322 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC87157  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  JEPS106601  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1991-5-18 2681 Napa above Cooksley Lake, Friesen's Lakes 685 Comment
  UCD161701  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2010-5-1 5528 Napa southwest of end Cedar-Pocock Creek Road. (Coordinates converted from UTM data by label maker.) 365 Comment
  UCD170438  Streptanthus glandulosus subsp. glandulosus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 910 Napa Knoxville Wildlife Area on slope west of Berryessa-Knoxville Road. 517 Comment
  UCD74409  Streptanthus hesperidis Jake Ruygt 2007-6-23 5236 Napa Las Posadas State Forest, north of Recreation Flat. 405 Comment
  UC939443  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-6-14 1482 Napa outcrop on low saddle 1/4 mi w White's Point (Table Mtn. rd ca 5 mi e of Mountain Mill House) Comment
  UCD19329  Stuckenia pectinata M. A. Bibbo; E. Dean 2001-7-6 21 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline in water hole. 320 Comment
  CAS-BOT-BC269541  Symphoricarpos albus var. laevigatus Alice Eastwood 1918-5-1 6852 Napa Mt. St. Helena Comment
  JEPS106730  Symphoricarpos albus var. laevigatus Jake Ruygt 1988-4-11 2148 Napa canyon to the north of American Canyon 140 Comment
  SBBG83707  Symphoricarpos mollis B. Wych 1975-5-29 33 Napa 2.1 mi N of intersection of St Hwy 128 and Wragg Cyn Rd Comment
  UCD19319  Symphoricarpos mollis M. A. Bibbo; E. Dean 2001-7-6 11 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.8 air miles from jct. with S Decker canyon rd. 20 yards off of the road, up a small dry creek, on N facing slope of drainage. 198 Comment
  CAS-BOT-BC97737  Symphyotrichum chilense Alice Eastwood 1920-7-31 9987 Napa Vallejo Comment
  JEPS104539  Symphyotrichum spathulatum Jake Ruygt 1992-7-10 3081 Napa Yountville Ecological Reserve, Yountville Crossroad 27 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
  JEPS40791  Symphyotrichum subspicatum W. L. Jepson 1894-11-6 Napa Calistoga Comment
  UC1949202  Symphyotrichum subulatum Barbara Ertter with Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  OBI72075  Symphyotrichum subulatum var. parviflorum Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Crk in North coast Ranges, T7N R5W. below spillway on N side of Rt 128 91 Comment
  UCD37949  Taeniatherum caput-medusae Beecher Crampton 1962-5-16 6436 Napa Napa County, town of Pope Valley. Comment
  JEPS45772  Tamarix gallica W. L. Jepson 9832 Napa White Sulphur Creek; Napa Valley Comment
  JEPS126111  Tanacetum parthenium Jake Ruygt July, 1979 594 z Napa Trefethen Vineyard near Dry Creek. Napa 7.5' Qua. Comment
  UCD21544  Taraxacum officinale B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  JEPS110690  Tetrapteron graciliflorum Jake Ruygt 1986-3-29 1671 Napa Toll Canyon 237 Comment
  UC1196169  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1587 Napa along creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 304 Comment
  SBBG2279  Thalictrum fendleri var. polycarpum H. and M. Dearing 1939-5-3 3231 Napa White Sulphur Springs Rd, St Helena Comment
  UC1197483  Thermopsis californica var. californica Joseph P. Tracy 1933-4-30 12103 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UC16393  Thermopsis californica var. californica Willis L. Jepson 1893-4-27 Napa Napa City Comment
  UCD108615  Thermopsis californica var. californica B. Crampton 1953-3-24 1025 Napa Along Hwy. 128, about 10 miles east of Rutherford. Comment
  UCD48029  Thermopsis californica var. californica K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 27 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, next to Old Knoxville Rd. 426 Comment
  UC1537026  Thermopsis macrophylla var. macrophylla Gordon H. True Jr. 1938-4-13 864 Napa roadside near Oak Knoll Comment
  CAS-BOT-BC66500  Thysanocarpus curvipes Alice Eastwood 1918-5-2 6875 Napa Calistoga. Comment
  CAS-BOT-BC66503  Thysanocarpus curvipes Peter H. Raven 1953-5-2 5380 Napa Hills due east of Yountville. 243 Comment
  CAS-BOT-BC66516  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa Grade on old road to Lake county above Calistoga. Comment
  JEPS106591  Thysanocarpus curvipes Jake Ruygt 1994-3-15 3318 Napa Chiles Canyon Road about 1 mile from Chiles Valley 365 Comment
  UC11032  Thysanocarpus curvipes W. L. Jepson 1893-4-25 Napa St. Helena Comment
  UC650402  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa grade on old road to Lake Co. above Calistoga Comment
  CAS-BOT-BC66477  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6097 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66504  Thysanocarpus curvipes Peter H. Raven 1953-5-2 5397 Napa Summit of hills due east of Yountville. 304 Comment
  UC10996  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa plateau n Wooden Valley grade (Napa River Basin); , n of Wooden Valley grade Comment
  UCD14242  Thysanocarpus curvipes M. A. LeFevre 1974-4-6 53 -4e Napa Along Highway 128 at Monicello Dam on Lake Berryessa. 304 Comment
  JEPS106587  Thysanocarpus laciniatus Jake Ruygt 1998-5-11 3963 x Napa Chiles Canyon at rock cliffs. 182 Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  CAS-BOT-BC67311  Thysanocarpus radians Peter H. Raven 1953-4-2 5244 Napa Hills south of Imola. 121 Comment
  CAS-BOT-BC474518  Tonella tenella G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12024 Napa Quail Ridge Reserve, N slope below field house 370 Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. Comment
  SBBG28990  Tonella tenella D. D. Keck 1931-4-3 1066 Napa Pope Crk Cyn, 8 mi NW of Monticello Comment
  RSA113980  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa Hills at western edge of Calistoga. Comment
  UC903157  Tonella tenella Ethel Crum 1937-4-19 1788 Napa 10 mi s Monticello; Napa Range, Steel Canyon Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  CAS-BOT-BC85167  Torreya californica Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5330 Napa Soda Creek, e. of Chiles Valley 137 Comment
  JEPS63911  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19477 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63928  Toxicodendron diversilobum W. L. Jepson 1915-4-22 6230 Napa hills east St. Helena Comment
  UC869555  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Napa Calistoga Comment
  UCD169872  Toxicoscordion fontanum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 807 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 433 Comment
  UCD48799  Toxicoscordion fremontii A. Collier; D. Caterson and S. Kenady 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines. 335 Comment
  UCD55060  Toxicoscordion fremontii E. A. Dean; Virginia Boucher 2002-2-28 907 Napa Quail Ridge Reserve. Along lower trail leading from West Road toward powerlines at tip of ridge, very close to junction with West Road. 304 Comment
  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
  UCD95925  Toxicoscordion venenosum var. venenosum Ellen Dean; with Clare Loughran 2011-5-20 7058 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  UCD63859  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCD125870  Trichostema laxum D. H. Hartmann 1941-8-19 s.n. Napa Putah Creek, Putah Canyon. Comment
  UCD166645  Trichostema ruygtii Jake Ruygt 2004-7-17 4628 Napa Hills east of Napa Valley Country Club, east of Third Ave., south of Hagen Rd. 249 Comment
  UCD166646  Trichostema ruygtii Jake Ruygt 1998-8-15 4105 Napa Atlas Peak Road, Mead Ranch. 487 Comment
  UC22513  Trientalis latifolia Willis L. Jepson 1893-5-9 Napa Napa River Basin, [Nibaum's Dam] Napa River Basin Comment
  UC1925874  Trifolium Ethel Crum 1931-1 1054 Napa Pope Valley Comment
  UC1925896  Trifolium Ethel Crum 1931-1 1046 Napa Four miles from Yountville. Comment
  UC74964  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1983 Napa Calistoga Comment
  JEPS65845  Trifolium albopurpureum var. dichotomum W. L. Jepson 1893-4-25 13664 Napa w St. Helena (rd to Caux's Cabin); Hoods Peak Range 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
  JEPS106694  Trifolium barbigerum var. barbigerum Jake Ruygt 1981-4-27 1007 Napa Milton Rd. across from Maury's Yachts 1 Comment
  UCD107885  Trifolium bifidum R. Tofsrud 1951-5-20 s.n. Napa Yountville Cemetery. Comment
  UCD107886  Trifolium bifidum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD17964  Trifolium bifidum Ellen Dean; Kate Mawdsley 2001-4-9 683 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
  UCD48974  Trifolium bifidum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD170669  Trifolium bifidum var. bifidum 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. 160 Comment
  UCD16046  Trifolium bifidum var. bifidum R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 19 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moderately moist soil, east facing slope, sunny. Herb, 10-13 cm tall, flowers light pink to lavender. Comment
  JEPS129177  Trifolium bifidum var. decipiens Jake Ruygt 2015-4-25 6083 c Napa Missimer - Snell Valley Preserve. Yountville 7.5' Quad. Comment
  UCD117802  Trifolium bifidum var. decipiens Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD83439  Trifolium bifidum var. decipiens Jake Ruygt 2005-3-28 4728 Napa Berryessa-Knoxville Rd., between Spanish Flat and Lake Berryessa Marina. 146 Comment
  JEPS106798  Trifolium ciliolatum Jake Ruygt 1979-4-29 562 Napa .4 miles west of HWY 29 on Kortum Canyon Road 201 Comment
  UCD149709  Trifolium ciliolatum Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  OBI12704  Trifolium ciliolatum R. L. Hoover 1968-4-20 46 Napa On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd Comment
  JEPS106803  Trifolium depauperatum var. truncatum Jake Ruygt 1992-5-7 2939 b Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  UC917166  Trifolium depauperatum var. truncatum D. C. Finfrock 1950-4-6 21 Napa 14 mi from Monticello (Mountain meadow); Pope valley Comment
  UCD21503  Trifolium depauperatum var. truncatum Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4405 Napa Quail Ridge Reserve. 262 Comment
  UCR146187  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  JEPS106804  Trifolium dubium Jake Ruygt 1987-4-22 1960 Napa DFG property near Buchli Station 1 Comment
  UCD78056  Trifolium fragiferum Robert E. Preston 2005-8-17 2367 Napa Ca. 1 mile NW of Napa Junction. 14 Comment
  JEPS65865  Trifolium fucatum Willis L. Jepson 1893-4-24 13719 Napa e St. Helena (hills, to Conn Valley); Napa River Basin Comment
  UCD83445  Trifolium fucatum Jake Ruygt 1989-5-9 2317 Napa American Canyon, Avilla Ranch. 60 Comment
  SD224979  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. Adjacent to meeting hall. 91 Comment
  UCD149710  Trifolium gracilentum Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD159933  Trifolium hirtum 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
  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
  UCD48982  Trifolium hirtum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. on W-facing slope 2400 as the crow flies ft. NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  JEPS106751  Trifolium microcephalum Jake Ruygt 1978-5-13 302 Napa north of Suscol Hill, west of HWY 29 (221) 7 Comment
  UCD111455  Trifolium microcephalum R. Tofsrud 1951-5-26 s.n. Napa Near Enterprise School. Comment
  JEPS106713  Trifolium obtusiflorum Jake Ruygt 1990-6-2 2570 Napa Sulphur Canyon 237 Comment
  UCD35333  Trifolium obtusiflorum Beecher Crampton 1955-5-16 2795 Napa 8.5 miles west of Winters, just west of the Monticello Dam site. Comment
  JEPS106714  Trifolium oliganthum Jake Ruygt 1989-4-8 2250 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  UCR146398  Trifolium oliganthum Beecher Crampton 1960-5-17 5539 Napa Inner North Coast Ranges, 6 miles west of Oakville 701 Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  UC16686  Trifolium oliganthum Willis L. Jepson 1893-4-24 Napa e St. Helena (hills) Comment
  UCD111357  Trifolium olivaceum M. Wiesendanger 1926-4-1 1491 Napa location unknown. Comment
  JEPS106810 Image available Trifolium striatum Jake Ruygt 1993-5-8 3254 Napa Mead Ranch in large meadow NW of horse track 486 Comment
  UC160934  Trifolium variegatum Joseph P. Tracy 1902-5-17 1524 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  JEPS4406  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-24 13708 Napa hills e St. Helena (to Conn Valley Rd); Napa River Basin Comment
  UCD47882  Trifolium vesiculosum Joe Ditomaso 2005-6-27 s.n. Napa Napa County, McLaughlin UC Reserve, along Morgan Valley Rd, ca. 0.5 miles S of the junction of Napa and Lake Counties. Comment
  CHSC79317  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa East slope of Wragg Canyon. Comment
  JEPS4171  Trifolium willdenovii W. L. Jepson 1936-7-2 17645 Napa Angwin Napa Range, Howell Mtn Comment
  UC137720  Trifolium willdenovii C. F. B. 1903-4-19 1989 Napa Calistoga Comment
  UCD49034  Trifolium willdenovii A. Van Houtte; E. Leger and C. Hohn 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  UCD49036  Trifolium willdenovii C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 15 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Between West Rd. and Decker Bay Trail, approx. 200' NW of jct of West Rd. and Decker Bay Trail; approx. 300' N of creek. 167 Comment
  UCD83424  Trifolium willdenovii Jake Ruygt 2005-3-28 4727 Napa Berryessa-Knoxville Rd., between Spanish Flat and Lake Berryessa Marina. 146 Comment
  UC16740  Trifolium willdenovii Willis L. Jepson 1893-4-23 Napa Napa Valley Napa River Basin Comment
  UCD20029  Trifolium willdenovii C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1209 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  UCD83426  Trifolium wormskioldii Jake Ruygt 1981-5-13 1020 Napa American Canyon, 0.2 mi E of Flosden Rd. 36 Comment
  UC764691  Trifolium wormskioldii R. F. Hoover 1941-5-10 5008 Napa betw Saint Helena and Calistoga Comment
  CAS-BOT-BC451904  Triglochin maritima Peter H. Raven 1952-8-26 5137 Napa Nr. Bentley Wharf 15 Comment
  JEPS113977  Trillium albidum Jake Ruygt 2003-4-5 4489 Napa Mount George, Foote Preserve, Sarco Creek. Mount George 7.5' Quad. Comment
  CAS-BOT-BC520826  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 573 Napa 0.6 mi, W of Cal. Hwy. 29, just SW of Calistoga Comment
  CAS-BOT-BC520830  Trillium albidum Peter H. Raven 1953-3-29 5204 Napa 0.5 mi. s. of Calistoga 121 Comment
  UC1364377  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 573 Napa just s.w. Calistoga (0.6 mi. w. of CA Hwy. 29, near Diamond Mt. Creek below Diamond Mt. Rd.) Comment
  UCD67357  Trillium chloropetalum G. F. Hrusa 1996-5-4 s.n. Napa Shaded canyon below Cub Valley on MonteSol Ranch. Summit of Palisades SE of Mount St. Helena. 609 Comment
  UCD75833  Triodanis biflora Jake Ruygt 2005-6-1 4893 Napa Blue Ridge, about 1 mile north of Mays Flat. 402 Comment
  JEPS110638  Triphysaria eriantha Jake Ruygt 1994-3-26 3336 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  JEPS129160  Triphysaria eriantha Jake Ruygt 2015-3-28 6056 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  JEPS74865  Triphysaria eriantha subsp. eriantha T. I. and F. M. Chuang 1975-5-4 7510 Napa 5.7 mi e Pope Valley; e of Pope Valley Comment
  JEPS10402  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 Napa hills sw Napa (Napa); , hills sw Comment
  SEINET5738473 Image available Triphysaria eriantha subsp. eriantha Stan Logan 1965-1 8 Napa Dollarhide Road, ca. 3 miles east of Pope Valley.; Pope Valley Comment
  UCD16044  Triphysaria eriantha subsp. eriantha R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 29 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, flat land near stream, sunny. Herb, 2-2.5 dm tall, flower yellow. 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
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  JEPS129112  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 2015-5-19 6104 Napa Atlas Peak Road Circle R (S) Ranch. Yountville 7.5' Quad. Comment
  JEPS74866  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7511 Napa 4 mi e Pope Valley; e of Pope Valley Comment
  UCD83859  Triphysaria versicolor subsp. faucibarbata Ellen Dean; Stephen Rae 2010-3-15 5817 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  JEPS10433  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1937-5-15 18781 Napa (Field 1/2 mi n) Napa Wye; Napa Wye (field 1/2 mi n) Comment
  UC27200  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin Comment
  UC183045  Trisetum canescens J. P. Tracy 1902-5-15 1459 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek, Howell Mountain 487 Comment
  JEPS64207  Triteleia hyacinthina Elizabeth Ferguson 1920-5-15 347 Napa e Howell Mountain (Pope Creek); e of Howell Mountain, Pope Creek Comment
  UCD117784  Triteleia laxa Marisol Gonzalez; 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
  UCD139409  Triteleia laxa R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  CAS-BOT-BC526508  Triteleia laxa David D. Keck 1933-5-29 2367 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC526509  Triteleia laxa David D. Keck 1933-5-29 2367 Napa Pope Creek bridge south of Walters Springs. Comment
  UCSB826  Triteleia laxa Keator, Glenn 1958-6-16 Napa Just east of Lake Hennessy, Napa range Comment
  CAS-BOT-BC527962  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa Slopes above Capell Creek, north end of Capell Valley Comment
  UCD161689  Triteleia peduncularis Jake Ruygt 2009-5-22 5412 Napa American Canyon, across road from quarry. 85 Comment
  CAS-BOT-BC91195  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mount Saint Helena at Mount Saint Helena Inn. Comment
  CAS-BOT-BC91202  Umbellularia californica Elsa G. Ruckert 1960-2-27 7 Napa 6495 Dry Creek Road. 365 Comment
  CDA21069  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11461 Napa Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway, 518 Comment
  JEPS40103  Umbellularia californica W. L. Jepson 1937-4-9 17998 Napa Howell Mountain, St. Helena, 1/4 mi below summit St. Helena; Howell Mountain, St. Helena Comment
  RSA187424  Umbellularia californica John H. Thomas 1966-3-22 11530 Napa R. L. Stevenson State Park on the eastern slopes of Mt. St. Helena along highway 29 between Middletown and Calistoga. 762 Comment
  RSA245297  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa 128 just west of Lake Hennessey. Comment
  CAS-BOT-BC91197  Umbellularia californica W. R. Dudley 1895-2-20 s.n. Napa Head of Knight's Valley. Comment
  CAS-BOT-BC526977  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1615 Napa About 100 yds E of bridge, a junction of Petrified Forest Road and Hwy 128, 1 mi N of Calistoga Comment
  CAS-BOT-BC404292  Urtica urens Peter H. Raven 1953-4-2 5298 Napa Hills just e. of Imola 60 Comment
  RSA394836B  Vaccinium macrocarpon C. M. Knapp 1981-4-12 s.n. Napa Southwest of North Columbia, in hydraulically mined area. 854 Comment
  CDA11154  Vaccinium ovatum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11565 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. above Sarco Creek. Comment
  JEPS115741  Veronica anagallis-aquatica Lowell Ahart 2009-10-12 16453 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  UCD160041  Veronica anagallis-aquatica Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve. Hunting Creek at Napa County line crossing. 609 Comment
  UC447253  Veronica arvensis H. P. Chandler 1907-5-12 Napa White Sulphur Spring, St. Helena White Sulphur Spring; , St. Helena Comment
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  SBBG115635  Veronica persica B. Crampton 1955-5-16 2796 Napa Putah Crk, 8.5 mi W of Winters, just W of the Monticello Dam site 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