Search Results — 2000 specimen records retrieved (1473 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
  UC1719703  Acacia dealbata Barbara Ertter with Jake Ruygt 1996-4-25 14600 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  UCD54554  Acacia dealbata Ellen Dean 2005-10-12 2742 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC331521  Acer macrophyllum Elsa G. Ruckert 1960-3-26 46 Napa 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC331522  Acer macrophyllum Elsa G. Ruckert 1960-3-13 25 Napa 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC331525  Acer macrophyllum Alice Eastwood 1918-5-1 6870 Napa Mt. St. Helena Comment
  SEINET4326871 Image available Acer macrophyllum Unknown 1967-6-26 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD162093  Acer macrophyllum Dylan O. Burge 2014-3-15 1490 Napa Mount Saint Helena. 740 Comment
  UCR141666  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.56 mi east of Moskowite Corners, State Hwy 128 Comment
  CAS-BOT-BC28693  Achillea millefolium P. H. Raven 1955-8-27 8761 Napa Cuttings Wharf 3 Comment
  CAS-BOT-BC28690  Achillea millefolium P. H. Raven 1952-8-26 5141 Napa Near Bentley Wharf 18 Comment
  SEINET2145824  Achillea millefolium var. lanulosa H. Popenoe 1949-6-4 36 Napa Putah Canyon, 11 miles west of Winters, on Napa-Yolo county line. Comment
  JEPS36719  Achyrachaena mollis W. L. Jepson 1897-5-2 Napa St. Helena Comment
  JEPS126082  Acmispon americanus var. americanus Jake Ruygt 1998-6-16 4029 Napa North of Barnett Roas, Pope Valley. Saint Helena 7.5' Qua. Comment
  UCD167136  Acmispon americanus var. americanus Jake Ruygt 2015-5-23 6110 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD103790  Acmispon americanus var. americanus Edward Lee Greene 1979-6-1 s.n. Napa location unknown. Comment
  UCD170661  Acmispon brachycarpus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 Comment
  UCD47973  Acmispon brachycarpus A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 3 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD104117  Acmispon glaber H. T. Hartmann 1941-8-14 s.n. Napa Between Napa and Monticello. Comment
  UCD73428  Acmispon glaber var. glaber Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CHSC27761  Acmispon wrangelianus Ethel Pearson 1978-3-24 2 Napa Ca. 2.8 mi w of junction of State Hwy 128 and Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  UCD148810  Acmispon wrangelianus Ellen Dean; Diana Hickson 2014-4-29 8117 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD48950  Acmispon wrangelianus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd., on the top of a W-facing slope. 242 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
  CAS-BOT-BC133133  Adenostoma fasciculatum H. E. McMinn 1925-1-23 1366 Napa Summit Wooden Valley Grade Comment
  JEPS121508  Adenostoma fasciculatum var. fasciculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 200 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  RSA126038  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1955-5-21 5108 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  SEINET265721 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD14797  Adiantum jordanii Matt Gause 1991-6-2 23 Napa 6.8 miles out of the city of Napa along Highway 121. 231 Comment
  UCD83745  Aegilops triuncialis Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5994 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 219 Comment
  CAS-BOT-BC202655  Aesculus californica H. E. McMinn 1922-6-8 171 Napa On summit of Howell Mt. Comment
  POM255858  Aesculus californica Marion Ownbey, Ruth Ownbey 1938-7-9 1701 Napa 6 miles northeast of Napa. Comment
  UC917208  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa 12 mi w Winters; Putah Creek Canyon Comment
  HSC4596  Agoseris grandiflora W. L. Jepson 1893-4-24 Napa E of St. Helena to Conn Valley. Napa River Basin Comment
  UC127180  Agoseris grandiflora var. grandiflora Harley P. Chandler Sep 7 1906-Sep 14 1906 7153 Napa Alta Loma Ranch Alta Loma Ranch 487 Comment
  UC584445  Agoseris grandiflora var. grandiflora J. Jenkins 1936-1-1 Napa Mt. Veeder Mt. Veeder Comment
  UCD128611  Agoseris heterophylla Jerald W. Riekels 1961-4-29 29 Napa Wragg Canyon, 0.25 mile from State Highway 128. 121 Comment
  JEPS36391  Agoseris heterophylla var. heterophylla Willis L. Jepson 1893-5-8 Napa near New Eden; Napa River Basin, Howell Mt. Grade Comment
  JEPS104577  Agoseris retrorsa Jake Ruygt 1982-5-26 1293 Napa Mt. St. Helena toward The Palisades. Deter Reservoir 7.5' Quad. 731 Comment
  JEPS45601  Agrimonia gryposepala Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  OBI22552  Agrostis exarata Robert F. Hoover 1966-8-23 9932 Napa Butts Cyn near Lake Co. line Comment
  UC187235  Agrostis exarata Joseph P. Tracy 1905-7-6 2228 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD149571  Agrostis exarata 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
  UCD19918  Agrostis exarata E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 774 Napa Quail Ridge Reserve. Decker Canyon, along S. Decker Canyon trail, just N of Cut-Off Rd. along drainage that runs NE of trail. 167 Comment
  CAS-BOT-BC139730  Agrostis gigantea Peter H. Raven 1951-6-26 3049 Napa East of Napa on Monticello Road. 60 Comment
  CAS-BOT-BC138821  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Northern Coast Ranges. Calistoga Hot Springs. 91 Comment
  CAS-BOT-BC138822  Agrostis microphylla Alan A. Beetle 1946-5-7 4257 Napa 2 miles north of Calistoga at Myrtledale Hot Springs. Comment
  UCD36932  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD53098  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa East slopes of Howell Mtns. above Wooden Valley. Comment
  UCD73507  Agrostis pallens Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCR227899  Agrostis pallens Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  UCD53629  Agrostis stolonifera Beecher Crampton 1953-7-14 1514 Napa N.N. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  UCD120873  Aira caryophyllea Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7337 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD170422  Aira caryophyllea Daniel Potter; Daniel McNair 2017-4-23 903 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD19311  Aira caryophyllea M. A. Bibbo; E. Dean 2001-7-6 3 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  CAS-BOT-BC461088  Allium amplectens John Thomas Howell 1933-6-4 11391 Napa Hills east of Napa Comment
  POM203668  Allium amplectens J. T. Howell 1933-6-4 11391 Napa Hills east of Napa. Comment
  POM252944  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  JEPS110938  Allium falcifolium Jake Ruygt 1979-4-23 544 Napa 2.3 miles east of Silverado Trail on HWY 128 106 Comment
  JEPS47614  Allium falcifolium Mrs. D. O. Hunt 1909-4-16 Napa Pope Valley Comment
  RSA183471  Allium falcifolium William B. Davis 1960-4-15 27 Napa Pope Valley, 5 miles east of turn-off from lower end of Lake Berryessa. Comment
  UC1585999  Allium falcifolium Barbara Ertter with Annetta Carter 1989-5-28 8506 Napa on Berryessa Rd. 2 mi se Lake Co. line (hills s of road, near Knoxville, extreme n Napa County) 609 Comment
  UCD48252  Allium falcifolium R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 15 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  CAS-BOT-BC469030  Allium falcifolium Willis L. Jepson 1893-5-1 43 Napa Upper Conn Valley; Napa River Basin Comment
  RSA91736  Allium falcifolium Beecher Crampton 1953-5-19 1302 Napa State highway 128, 11 miles east of Rutherford. Comment
  UC1299308  Allium falcifolium Freed W. Hoffman 1947-3-20 870 Napa Hunting Creek, Napa-Lake county line North Coast Ranges, Hunting Creek Comment
  UC629766  Allium falcifolium John Morrison, Annetta Carter 1938-4-24 1355 Napa on road from Monticello to Lower Lake 0.6 mi w Knoxville Comment
  UCD161515  Allium falcifolium Jake Ruygt 1990-4-8 2472 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  SEINET195017  Allium fimbriatum A. A. Heller 1941-5-3 16127 Napa Near summit of first ridge W of Knoxville Comment
  CHSC83398  Allium fimbriatum var. fimbriatum L. P. Janeway; B. Castro 2002-5-12 7551 Napa Inner North Coast Ranges. Northeast-facing slope along Devil-head Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek. 488 Comment
  POM182677  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  JEPS122681  Allium peninsulare var. franciscanum Jake Ruygt 2006-5-15 5020 Napa Near Montini, Open Space N of Sonoma. Quad: Sonoma. Comment
  UCD48744  Allium serra S. Murphy; K. Keck and K. Dyer 2002-5-5 9 Napa Quail Ridge UC Reserve, northern tip of ridge, NE from the intersection of West and East roads ca. 250 m, N side of upper road leading to power lines and tip parcels, steep W-facing slope, ca. 10 m from road. 327 Comment
  CAS-BOT-BC475561  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  CAS-BOT-BC475562  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  POM203718  Allium serra J. T. Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  UC518935  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 mi s Knoxville Comment
  JEPS110933  Allium unifolium Jake Ruygt 1996-5-13 3675 Napa Wantrop Wildlife Sanctuary, Hardin Road, Pope Valley 438 Comment
  RSA123585  Allium unifolium Milo S. Baker 1931-4-19 5421 Napa Along highway in Coun. Valley. Comment
  UCD167207  Allophyllum divaricatum Jake Ruygt 1998-6-20 4045 Napa On Palisades trail from RLSSP, east of Table Rock. 701 Comment
  JEPS58642  Alnus rhombifolia W. L. Jepson Nov 26 1895-Nov 27 1895 Napa sw St. Helena; White Sulphur Springs Comment
  RSA299415  Alnus rhombifolia W. L. Jepson 1901-8-6 1717 Napa White Sulphur Spring. Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  JEPS123021  Alopecurus saccatus Jake Ruygt 1982-6-1 1305 Napa 0.3 mile north of Chimney Rock Golf Course. Quad: Yountville. 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
  UC1010754  Amaranthus californicus Peter H. Raven 1951-10-28 3944 Napa Conn Lake 152 Comment
  POM226226  Amaranthus powellii J. T. Howell 1933-9-17 11667 Napa North of Vallejo Comment
  UCD148571  Amaranthus retroflexus Jake Ruygt 1986-7-12 1877 Napa Napa County; Napa River west of Junior College. 3 Comment
  UCD33089  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UCD39199  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
Read comments
Jun 12 2012
  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
  JEPS16024  Ammi majus W. L. Jepson Sep 23 1893-Sep 25 1893 14204 Napa Yountville Comment
  UC659018  Ammi majus Mildred E. Mathias 1937-7-23 1316 Napa roadside n. of Vallejo on rd. to Napa Comment
  UCD127156  Ammi majus Rimo Bacigalupi; G. T. Robbins, C. L. Custer 1954-8-9 4752 Napa escape along roadside, just north of the city limits of Napa, about 1/4 mile west of the northern end of Jefferson Street. 18 Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  CAS-BOT-BC177209  Amorpha californica var. napensis C. H. M. 1907-7-10 s.n. Napa Howell Mt. Comment
  UCR23952  Amorpha californica var. napensis John C. Roos 1939-4-29 289 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CDA31393  Ampelodesmos mauritanicus William J. Ferlatte, M. J. Foskett 1975-7-23 Napa Old Toll Road, north of Calistoga. 0 Comment
  UC24614  Amsinckia W. L. Jepson 1893-4-26 Napa Rutherford; Napa River Basin Comment
  CAS-BOT-BC222308  Amsinckia douglasiana E. Ruckert 1960-4-17 98 Napa 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  JEPS61143  Amsinckia intermedia W. L. Jepson 1900-3-10 535 Napa St. Helena Comment
  UC1084556  Amsinckia intermedia Peter M. Ray 1952-5-25 2292 Napa 3 mi s Pope Valley (bridge over Sage Creek, e of junction with Pope Valley-Rutherford (via Conn Dam) road on road to Monticello) Comment
  UCD170819  Amsinckia intermedia 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD47940  Amsinckia intermedia R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 21 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  JEPS61162  Amsinckia intermedia Elsa Kraeger 1926-3-27 Napa roadside near Soscol Comment
  JEPS105674  Amsinckia lunaris L. P. Janeway, B. Castro 2002-5-12 7531 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road 506 Comment
  UCD170192  Amsinckia lycopsoides Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 765 Napa Knoxville Wildlife Area, along Zim Zim Falls trail. 279 Comment
  UCD170806  Ancistrocarphus filagineus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  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
  UCD128906  Ancistrocarphus filagineus J. M. Tucker 1977-4-24 4390 Napa up jeep track ca. 1/3 mile west of road, Berryessa-Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine). 365 Comment
  UCD69016  Ancistrocarphus filagineus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD127214  Angelica californica Tom Persico 1971-5-15 19 Napa Monticello Dam at Lake Berryessa. 152 Comment
  UCD38975  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
Read comments
Jun 12 2007
  CDA40901  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 2 of 3 Comment
  UC106458  Angelica tomentosa T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD126260  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  HSC71987  Angelica tomentosa J. M. DiTomaso 1980-9-9 1980 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29, 10.6 mi N of Calistoga 610 Comment
  UC20797  Angelica tomentosa Willis L. Jepson Aug. 1892 Napa near St. Helena (Napa River Basin); Napa River Basin Comment
  UC765494  Angelica tomentosa R. F. Hoover 1938-9-23 3861 Napa south fork of Butts Creek Butts Creek Comment
  UCD127188  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  JEPS104497  Anthriscus caucalis Jake Ruygt 1995-4-17 3424 b Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 67 Comment
  JEPS14068  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  UCD127197  Anthriscus caucalis Joseph M. DiTomaso 1976-4-10 412 Napa on Highway 128, 4 miles west of Monticello Dam at Lake Berryessa. Comment
  JEPS21670  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa about 2 mi sw Oakville 152 Comment
  JEPS81873  Antirrhinum kelloggii Roger Raiche 1982-5-1 20318 A Napa Atlas Peak Road 304 Comment
  RSA132844  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa About 2 miles SW of Oakville. 152 Comment
  JEPS127863  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 201 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS83369  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-11 335 Napa 1.9 mi from Barnett Road start (along valley of Pope Creek at an area reached by traveling private vineyard roads); Aetna Springs Quad. (7.5', 1958) 195 Comment
  JEPS112546  Antirrhinum virga Jake Ruygt 1986-5-18 1775 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 463 Comment
  CAS-BOT-BC447684  Aphanes arvensis Ira L. Wiggins 1932-3-12 5763 Napa Hillside between Franz Valley and Calistoga Comment
  HSC24622  Aphanes occidentalis I. L. Wiggins 1932-3-12 5763 Napa Hillside between Franz Valley and Calistoga Comment
  RSA470387  Apiastrum angustifolium J. T. Howell 1931-4-19 6457 Napa Conn Valley. Comment
  UCD14925  Apiastrum angustifolium David Rhode 1977-4-16 17 Napa along the Monticello Dam Road. 259 Comment
  JEPS104561  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2024 Napa Wild Horse Valley Ranch 441 Comment
  UC449669  Apocynum androsaemifolium unknown 1910-7-27 Napa near Angwin Angwin Comment
  UCD164772  Apocynum androsaemifolium Jake Ruygt 2014-5-19 5946 Napa Sutro Ranch, Atlas Peak. 740 Comment
  JEPS53030  Arabis glabra Willis L. Jepson 1893-4-24 32 c Napa hills e St. Helena (to Conn Valley grade); Napa River Basin Comment
  JEPS83480  Arabis oregana Jake Ruygt 1986-3-29 1675 Napa Hunting Creek, in Knoxville area Knoxville Comment
  JEPS40072  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  CAS-BOT-BC128665  Arbutus menziesii Ira L. Wiggins 1928-3-25 2885 Napa Roadside 1 1/2 mi. N.E. of Calistoga Comment
  HSC7593  Arbutus menziesii Greg Bos 1963-3-30 66 Napa S slope of Hennessey Lake 213 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
  UCD118558  Arbutus menziesii Kaya MacMillen; 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
  JEPS40122  Arceuthobium campylopodum W. L. Jepson 1895-12-26 Napa Conn Valley Comment
  JEPS40130  Arceuthobium campylopodum W. L. J. 1897-7-12 Napa Samuel's Springs Comment
  CAS-BOT-BC24158  Arctostaphylos Alice Eastwood; John Thomas Howell 1937-4-4 3830 Napa Rocky slope, Wooden Valley grade E of Napa Comment
  JEPS116548  Arctostaphylos canescens Jake Ruygt 2006-3-14 4958 Napa Monticello Road about 0.1 mile east of Leoma Lakes Road. Mount George 7.5' Quad. Comment
  CAS-BOT-BC23953  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-10-3 2199 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC23960  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-5-5 11300 Napa Mt. St. Helena Comment
  CAS-BOT-BC23963  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helana Comment
  CAS-BOT-BC24014  Arctostaphylos canescens subsp. canescens C. Hart Merriam; Vernon O. Bailey 1907-10-15 s.n. Napa Cuyamaca Mt. 1219 Comment
  RSA193978  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4563 Napa Crater Country' near Mt. St. Helena. Comment
  LA42166  Arctostaphylos crustacea Lewis S. Rose; 1937-4-4 37017 Napa Wooden Valley Grade, 8 mi. NE of Napa 274 Comment
  SEINET6409377 Image available Arctostaphylos densiflora Unknown 1983-5-26 s.n. Napa S. Summit of Mt. St. Helena Comment
  UCD73455  Arctostaphylos glandulosa Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  RSA10632  Arctostaphylos glandulosa subsp. cushingiana C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  RSA602258  Arctostaphylos glandulosa subsp. cushingiana L. C. Wheeler 1952-8-30 6883 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  RSA626916  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24802 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  JEPS106417  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1981-4-12 974 Napa Grassy Hill near Palisades 670 Comment
  JEPS46407  Arctostaphylos manzanita unknown 1896-2-23 Napa Howell Mt. Comment
  RSA31062  Arctostaphylos manzanita E. K. Balls, Percy C. Everett 1953-10-15 18676 Napa 3.4 mi S of Lake-Napa Co. line, Hwy 29, between Middletown and Calistoga. 640 Comment
  RSA734316  Arctostaphylos manzanita C. B. Wolf 1928-5-4 1861 Napa Upper slopes of Mount St. Helena. Comment
  SD49849  Arctostaphylos manzanita A. E. Wieslander 1936-9-20 714 Napa Calistoga quadrangle, Mt. St. Helena 550 Comment
  CAS-BOT-BC38915  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1930-7-13 5355 Napa Chaparral on the edge of the 'Crater Country' Comment
  CAS-BOT-BC24288  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-28 84 Napa Calistoga. Comment
  CAS-BOT-BC38731  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4555 Napa East of the Toll House near Mt. St. Helena Comment
  CAS-BOT-BC38734  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC38762  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7948 Napa Mt. St. Helena Comment
  CAS-BOT-BC38765  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4556 Napa East of the Toll House near Mt. St. Helena Comment
  CAS-BOT-BC38772  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-14 15495 Napa About 3 miles east of Calistoga, near the foot of the grade up Mt. St. Helena on a steep clay bank. Comment
  CAS-BOT-BC38775  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-2-22 6413 a Napa Hills just north of White Sulfur Springs, w. of St. Helena 152 Comment
  JEPS122804  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5114 Napa North end of Wall Road. QUAD: Rutherford. Comment
  JEPS38708  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1898-1-4 14715 Napa Howell Mt. Howell Mt. (near type locality) Comment
  RSA60842  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 595 Napa 5 miles east of Napa. 229 Comment
  UC1005686  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 593 Napa 5 mi e Napa (just n of Mt. George) 228 Comment
  UCD95691  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7037 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  CAS-BOT-BC43827  Arctostaphylos stanfordiana C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43832  Arctostaphylos stanfordiana H. E. McMinn 1922-6-8 173 Napa Howell Mt. Comment
  CAS-BOT-BC43835  Arctostaphylos stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mi north of Summit of Mt. St. Helena grade Comment
  CAS-BOT-BC43851  Arctostaphylos stanfordiana Alice Eastwood; John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga Comment
  CAS-BOT-BC43861  Arctostaphylos stanfordiana Mrs. Merrel Ackley 1962-2-1 s.n. Napa Near St. Helena Comment
  CAS-BOT-BC43864  Arctostaphylos stanfordiana Alice Eastwood 1916-3-30 4696 Napa Calistoga Comment
  CAS-BOT-BC43871  Arctostaphylos stanfordiana Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena Comment
  CDA11914  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-3-11 11598 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  JEPS38676  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-23 14723 Napa La Jota Plateau Napa Range, Napa River Basin, Howell Mt. Comment
  JEPS38679  Arctostaphylos stanfordiana W. L. Jepson 1913-4-15 5317 Napa Howell Mt. Napa Range 609 Comment
  JEPS38878  Arctostaphylos stanfordiana W. L. Jepson 1936-12-2 17978 Napa near Four Corners; Napa Range, Howell Mt. Comment
  JEPS38884  Arctostaphylos stanfordiana W. L. Jepson 1936-12-7 17992 Napa Four Corners Napa Range, Howell Mt. Comment
  UC571226  Arctostaphylos stanfordiana H. L. Mason 1926-1-2 2611 Napa Toll House Canyon Mount St. Helena Comment
  UC763114  Arctostaphylos stanfordiana R. F. Hoover 1941-4-27 4948 Napa e side Mt. St. Helena Comment
  UCD53865  Arctostaphylos stanfordiana Charles B. Heiser Jr. 1947-2-18 1884 Napa Between Napa and Monticello, crest of first ridge. Comment
  RSA92780  Arctostaphylos stanfordiana P. H. Raven 1953-2-21 5190 Napa Wooden Valley Grade. 274 Comment
  SEINET11987173  Arctostaphylos stanfordiana J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4086 Napa Strybing Arboretum, San Francisco, orig. from Napa/Sonoma county line in Butts Canyon Comment
  UCD73391  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  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
  UCR212321  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  POM367458  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1935-2-11 35013 Napa 5 mi. N.E. of Napa, Wooden Valley Grade. Comment
  RSA14941  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood, John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade. Comment
  RSA51335  Arctostaphylos stanfordiana subsp. stanfordiana P. H. Raven 1950-4-15 1736 Napa Wooden Valley grade above Napa. 457 Comment
  RSA52686  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1949-4-30 12084 Napa On saddle bout 1.5 mi. from summit of Mt. St. Helena. Comment
  UCD47967  Arctostaphylos viscida Ari Houser; J. Westbrook, S. Ratay, M. Disney,R. Wolfson,S. Wathen 2000-4-22 32 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCD52448  Arctostaphylos viscida Bill Wengeler 1995-4-16 s.n. Napa Approx. 4 mi. W. of junction with Hwy. 121 along Hwy. 128. 201 Comment
  CHSC83413  Arctostaphylos viscida subsp. pulchella L. P. Janeway; B. Castro 2002-5-12 7546 Napa Inner North Coast Ranges. Ridge top north of Cedar Creek, along road from Devilhead Road. 579 Comment
  JEPS126085  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1979-3-11 446 Napa 2.5 miles east of Silverado Trail on Sage Canyon Road. Yountville 7.5' Qua. Comment
  UC763122  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-27 4950 Napa e side Mt. St. Helena Comment
  UCD118543  Arctostaphylos viscida subsp. viscida Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  POM279325  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
Read comments
Sep 12 2013
  CAS-BOT-BC400457  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa North bank of Putah Creek, 8.6 miles west of Winters Comment
  JEPS123016  Arrhenatherum elatius Jake Ruygt 1991-6-10 2721 Napa Lake Henne, Friesen's Lakes. Quad: Saint Helena. Comment
  SEINET258289  Artemisia douglasiana Unknown 1986-9-19 10228 Napa Napa County: In the northern end of the Napa Valley on the west side of Calistoga. 110 Comment
  CDA2628  Arum italicum J. T. Howell 1970-3-19 46494 Napa Near Old Bale Mill 0 Comment
  JEPS104559  Asarum caudatum Jake Ruygt 1980-3-30 821 Napa Van Ness Canyon 609 Comment
  UCD121260  Asclepias cordifolia Dan Kurtak 1969-5-3 50 Napa Near Chiles Creek on Pope Valley Road 2 miles south of junction with Lower Chiles Valley Road. Comment
  JEPS104548  Asclepias eriocarpa Jake Ruygt 1989-6-17 2383 Napa Garnett Creek at Silverado Trail 128 Comment
  UCD148097  Asclepias eriocarpa Jake Ruygt 2002-8-24 4451 Napa Calistoga; northwest corner of Mora Lane and Silverado Trail. 124 Comment
  UCD20615  Asclepias eriocarpa E. Dean; with M. Bibbo 2002-7-5 1162 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  UCD170282  Asclepias fascicularis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 822 Napa Knoxville Wildlife Area, north of Nevada Creek. 496 Comment
  UC1076342  Aspidotis densa Herbert L. Mason 1926-1-2 2609 Napa Toll House Canyon; Mt St Helena Comment
  UCD163270  Aspidotis densa D. Slakey; CNPS Volunteers 2015-4-25 115 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  RSA769685  Aster subulatus var. ligulatus L. Ahart 2009-10-27 16476 Napa Below high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on south side of Berryessa Knoxville Road., On the bottom of an unnamed creek, about 20 air miles northwest of Winters. 130 Comment
  JEPS48894  Astragalus breweri Elsa Kraeger 1926-3-27 Napa near Geyser (Calistoga, in field); Calistoga, near Geyser Comment
  JEPS54545  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  UC517971  Astragalus claranus John Thomas Howell 1931-4-19 6442 Napa Conn Valley Comment
  CAS-BOT-BC178626  Astragalus clevelandii Edward Lee Greene 1883-8-1 s.n. Napa N. side of Mt. St. Helena Comment
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon Comment
  JEPS85041  Astragalus gambelianus Larry Heckard and Mary Ashton 1969-5-3 2193 Napa ca 7 mi ne Napa (Mead Ranch off the Atlas Peak Rd.); ne of Napa 457 Comment
  UCD104803  Astragalus gambelianus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  CAS-BOT-BC193127  Astragalus rattanii var. jepsonianus Maxine Wilkes 1933-5-21 s.n. Napa Mt. St. Helena Comment
  CDA11340  Athysanus pusillus G. F. Hrusa 1995-4-2 12050 Napa North Coast Biodiversity Arena; Alongside Highway 128 at Lake Hennessey. Comment
  JEPS106815  Atriplex joaquinana Jake Ruygt 1991-7-19 2763 Napa south of the end S. Jefferson Street, Napa 1 Comment
  UCD148773  Atriplex prostrata Jake Ruygt 1978-9-8 406 Napa Napa County; Napa; Marina Dr. at Napa River. 0 Comment
  UCD20429  Avena barbata E. Dean; w/ PLB 102 class 2002-5-4 1017 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  UCD36838  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3229 Napa Napa County, Napa Valley, 1 mile south of Rutherford, State Highway 128. Comment
  JEPS104528  Baccharis pilularis Jake Ruygt 1991-9-23 2845 Napa Napa River north of Slaughterhouse Point 1 Comment
  RSA136311  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  CAS-BOT-BC16531  Barbarea orthoceras Peter H. Raven 1951-6-10 2926 Napa Center Region east of Palisades. 762 Comment
  UCD19929  Barbarea orthoceras E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 785 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  POM182713  Barbarea verna D. D. Keck 1931-4-2 1015 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD35478  Barbarea vulgaris Beecher Crampton 1957-4-15 3932 Napa Napa County; Vaca Mtns., east slope of Wragg Canyon, Hwy. 128. Comment
  CAS-BOT-BC145816  Beckmannia syzigachne Peter H. Raven 1951-6-24 3028 Napa Brown's Valley to Napa Sonoma Road. 91 Comment
  JEPS75994  Beckmannia syzigachne W. L. Jepson 1936-6-2 17608 Napa hills to e Yountville (e side of road); Napa Valley Comment
  UC1010752  Beckmannia syzigachne Peter H. Raven 1951-6-24 3028 Napa Brown's Valley to Sonoma-Napa Road 91 Comment
  UC37442  Beckmannia syzigachne Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  RSA195297  Bellardia trixago Gilbert Muth 1967-5-17 676 Napa Oat Hill Road, Calistoga. 256 Comment
  UCD161604  Berberis aquifolium var. dictyota Jake Ruygt 1999-5-1 4145 Napa Blue Ridge above Gosling Canyon. 792 Comment
  CHSC102255  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC15945  Boechera breweri subsp. breweri David D. Keck 1933-5-29 2360 Napa Pope Creek Bridge south of Walters Springs. Comment
  SEINET11104788  Bolboschoenus maritimus Lowell 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. 133 Comment
  UCD81828  Brachypodium distachyon Ellen Dean 2009-4-24 5455 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  CAS-BOT-BC36764  Brassica rapa Peter H. Raven 1953-3-29 5210 Napa 2 miles south of Calistoga. 106 Comment
  UCD57145  Briza maxima Beecher Crampton 1965-5-13 7335 Napa Ca. 3 miles SE of Calistoga Silverado Trail. Comment
  RSA247335  Briza minor Gary D. Wallace 1967-5-27 767 Napa Northwest of St. Helena on Howell Mtn. Rd. 2 mi west of Pacific Union College. Comment
  UC1158114  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jota Plateau Northern Coast Ranges, Howeel Mountain (3-4 mi e of Angwin's, on hills at head of Moore's Creek) 518 Comment
  RSA491733  Brodiaea californica subsp. leptandra James L. Reveal 1987-6-7 6407 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 244 Comment
  CAS-BOT-BC484194  Brodiaea elegans var. elegans James L. Reveal 1987-6-7 6407 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 243 Comment
  CAS-BOT-BC484196  Brodiaea elegans var. elegans Alice Eastwood 1915-6-5 4633 Napa Calistoga in marsh Comment
  CAS-BOT-BC484199  Brodiaea elegans var. elegans Rimo Bacigalupi 1928-6-20 1864 Napa Howell Mt 10 miles west of St. Helena Comment
  RSA785743  Brodiaea laxa Carrie A. Herd 1982-5-9 96 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  SEINET10839784  Bromus arvensis Ana Maria Planchuelo 1980-1 Planchuelo 508 Napa Route 128 between winters and rutherford. Comment
  SACT000490  Bromus commutatus M. Wiesendanger 1927-5-4 Napa Comment
  CAS-BOT-BC155988  Bromus diandrus Peter H. Raven 1953-5-2 5360 Napa Along railroad tracks. Yountville. 76 Comment
  SACT000546  Bromus diandrus John Willoughby 1979-5-25 Napa about 1 mile south of Signal Hill just below and to the west of Blue Ridge, in foothill woodland on the north side of the flat 609.6 Comment
  SACT000673  Bromus diandrus M. Wiesendanger 1927-5-4 Napa Comment
  UC60203  Bromus hordeaceus Willis L. Jepson 1893-1 Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  JEPS123006  Bromus laevipes Jake Ruygt 1988-6-4 2215 Napa Mt. St. Helena <0.5 miles from Highway 29 0n fire road. Quad: Detert Reservoir. Comment
  JEPS76075  Bromus laevipes W. L. Jepson 1938-5-18 18787 Napa behind the St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  JEPS82331  Bromus laevipes Roger Raiche 1982-1-16 20027 Napa n of Napa (along Route 121 (3.5 mi w of intersection with Route 128)); Route 121 Comment
  UCD160749  Bromus laevipes Ellen Dean 2015-5-23 8801 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  UCD58878  Bromus laevipes Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  UCD58930  Bromus laevipes Beecher Crampton 1957-6-4 4108 Napa Above Capell Creek. North end of Capell Valley. Comment
  UCD58972  Bromus madritensis A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3545 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CDA10902  Bromus madritensis subsp. rubens G. F. Hrusa, M. Rejmanek 1993-5-15 10998 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1023567  Bromus madritensis subsp. rubens Milo S. Baker 1936-4-8 8177 Napa about 2 mi n of Knoxville Comment
  SACT000713  Bromus rubens John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  UCD159919  Bromus rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.West section. 243 Comment
  UCD168574  Bromus sterilis Stephen P. Rae; A. Solomeshch 2007-4-10 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  JEPS122999  Calamagrostis ophitidis Jake Ruygt 1984-5-19 1563 Napa Cedar Roughs, west slope. Quad: Chiles Valley. Comment
  UCD57739  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Summit State Hwy. 37, Howell Mountains, 7 miles northeast of Napa. Comment
  UCD48083  Calandrinia breweri B. Takahashi; S. Burgess, A. Ryan, J, Pierner, A. Hufton 2000-4-29 3 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  UCD148770  Callitriche heterophylla var. bolanderi Jake Ruygt 1997-4-26 3836 Napa Napa County; Mt. Veeder Vineyards, south of Lakoya Road. 457 Comment
  POM169353  Calochortus amabilis Joseph P. Tracy 1902-5-15 1480 Napa Head of Moores Creek, 3-4 mi E of Angwins. 366 Comment
  RSA3285  Calochortus amabilis D. D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UC1134512  Calochortus amabilis B. O. Schreiber 1938-4-24 2494 Napa 5.2 mi nne Napa (Wooden Valley Grade); Napa Quad. 274 Comment
Read comments
Jan 14 2009
  UCD118729  Calochortus amabilis Katherine Graham; 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
  UCD139466  Calochortus amabilis L. P. Thibault 1995-5-21 50 Napa on south side of Highway 128 about 3 miles west of Wragg Canyon Road. 250 Comment
  UCD139478  Calochortus amabilis H. Popenoe 1949-5-1 19 Napa one mile from Pope Valley on road to St. Helena. Comment
  UCD139482  Calochortus amabilis L. P. Thibault 1995-5-19 40 Napa along Highway 128, ca. 0.5 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD139484  Calochortus amabilis Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  UCD22717  Calochortus amabilis Charles Gasser 1978-4-22 15 Napa Chiles/Pope Valley Road, 1.6 miles SW of junction with lower Chiles Valley Road. Comment
  CAS-BOT-BC488484  Calochortus amabilis David D. Keck 1933-5-28 2330 Napa Howell Mountian, north side, 1 mile above Pope Valley, P.O. Comment
  CAS-BOT-BC488489  Calochortus amabilis R. Baeigalupi 1925-4-26 1226 Napa hills 1 mi north of Napa Soda Springs Comment
  UCD161497  Calochortus luteus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8654 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
  UCD41332  Calochortus luteus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 7 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 434 Comment
  CAS-BOT-BC492540  Calochortus luteus John Thomas Howell 1929-5-30 4258 Napa Gordon Valley, Napa Range Comment
  HSC43973  Calochortus luteus Robert M. Specht 1977-4-27 800 Napa N side of Morgan Valley Rd. 622 Comment
  IRVC12847  Calochortus pulchellus A. French 1967-5-14 30 Napa 1.0 mi. E of jct Howell Mt Rd and Conn Valley Rd. North Coastal Ranges Comment
Read comments
Apr 27 2007
  UCD166651  Calochortus superbus Jake Ruygt 1989-6-3 2356 Napa 1.1 miles south of Moscowite Corners on Monticello Rd. 240 Comment
  UC1103467  Calochortus tolmiei J. P. Tracy 1899-6-10 447 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  CAS-BOT-BC132619  Calochortus uniflorus Alice Eastwood 1915-6-5 4632 Napa Calistoga Comment
  JEPS113986  Calochortus uniflorus Jake Ruygt 1981-5-6 1011 Napa Highway 28, 0.2 mile south of Lower Chiles Valley Road. Chiles Valley 7.5' Quad. Comment
  UCSB646  Calochortus venustus Keator, Glenn 1958-6-16 Napa Near Lake Hennessy, Napa Range Comment
  UC1876218  Calycadenia fremontii Gerald D. Carr 1971-9-20 666 Napa 4.2 mi N of Spanish Flat on Knoxville-Berryessa Rd. 152 Comment
  UC1876236  Calycadenia fremontii Gerald D. Carr 1971-10-23 681 Napa 1/4 mi W of Berryessa-Knoxville Rd on Hwy 128. Comment
  CAS-BOT-BC270830  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles N of Highway 128 Comment
  JEPS38539  Calycadenia pauciflora W. L. Jepson 1916-8-6 6831 Napa Howell Mt. Comment
  UCD129824  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa junction of Lower Chiles Valley and Pope Valley Roads, Comment
  UCD160805  Calycadenia pauciflora Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8685 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 488 Comment
  CAS-BOT-BC270837  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lower Lake, northern part of county Comment
  POM180990  Calycadenia pauciflora J. T. Howell 1930-10-19 5626 Napa 5 miles north of Aetna Spring near Napa-Lake County line Comment
  UCD129906  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road, 125 yards north of road. Comment
  UCD129909  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mile northwest of Knoxville on Morgan Valley Road. 457 Comment
  UCD129878  Calycadenia truncata Gerald D. Carr 1971-11-6 686 Napa 0.8 mile south of Angwin on Howell Mt. Road. Comment
  CAS-BOT-BC271560  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271567  Calycadenia truncata subsp. truncata John Thomas Howell 1929-10-26 4533 Napa 1/2 mile north of Yountville Comment
  CAS-BOT-BC271570  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  JEPS40305  Calycanthus occidentalis W. L. Jepson 1899-6-1 Napa Vaca Mts. Comment
  RSA120932  Calycanthus occidentalis G. D. Barbe 1957-7-4 371 Napa 1 mile beyond the Christian Bros. Mt. LaSalle School, 7 miles W of State Hwy 29 and Napa on Redwood Rd. Comment
  RSA456154  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  UCR198051  Calycanthus occidentalis Lisa Montany 1985-6-1 33 Napa Hwy 128, 0.5 mi west of Conn Dam, north of road in clearing near creek 76 Comment
  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
  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
  SJSU8780  Calystegia purpurata J. C. Gibbany 1960-4-30 83 Napa Redwood Rd, 7 mi NW of Napa Comment
  JEPS31633  Calystegia purpurata W. L. Jepson 1938-5-25 18862 Napa Bell Canyon Napa Range, Howell Mt., Bell Canyon (Howell Mt., Napa Range) 579 Comment
  UC796481  Calystegia purpurata Ira L. Wiggins 1949-4-30 12080 Napa on rocky ridge along old toll road between Calistoga and Middletown; between Calistoga and Middletown Comment
  CAS-BOT-BC224630  Calystegia purpurata subsp. purpurata John Thomas Howell 1931-4-3 6119 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS126128  Calystegia purpurata subsp. purpurata Jake Ruygt 2007-11-10 5258 Napa East side of California Blvd., about 0.1 mi. south of Trancas Street, Napa. Napa 7.5' Qua. Comment
  UCD48871  Calystegia purpurata subsp. purpurata E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd.; on a SW-facing slope on upslope of road. 237 Comment
  JEPS126077  Calystegia sepium subsp. binghamiae Jake Ruygt 1986-6-12 1810 Napa West end Suscol Road, below Highway bridge. Cuttings Warf 7.5' Quad. Comment
  JEPS47832  Calystegia subacaulis Willis L. Jepson 1893-4-24 14524 Napa Hills easr of St. Helena to Conn Valley, Napa River Basin Comment
  JEPS122759  Camissoniopsis hirtella Jake Ruygt 2005-6-1 4885 c Napa Blue Ridge, about 1 mile north of Mays Flat. Quad: Knoxville. Comment
  UCD54565  Camissoniopsis hirtella K. Walker; PLB 102 2006-5-13 7 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UC20482  Camissoniopsis hirtella Willis L. Jepson 1892-7 Napa near Knoxville Comment
  UCD32903  Camissoniopsis hirtella Beecher Crampton 1965-6-30 7395 Napa Solano-Napa Counties: Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD167163  Campanula griffinii Jake Ruygt 2015-4-13 6066 Napa Butts Canyon Road about 0.4 mile south of Snell Valley road. 246 Comment
  CAS-BOT-BC37118  Capsella bursa-pastoris Elsa G. Ruckert 1960-2-20 3 Napa 6495 Dry Creek Road. Southwest of house. 365 Comment
  JEPS106835  Cardamine californica var. integrifolia Jake Ruygt 1981-3-23 954 Napa across HWY 29 (221) from Kaiser Rd. 10 Comment
  UCD170207  Cardamine hirsuta Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 750 Napa Knoxville Wildlife Area, along Eticuera Creek, west of Berryessa-Knoxville Road. 246 Comment
  CDA3660  Cardaria chalepensis G. D. Barbe 1984-4-24 4152 Napa Along east shore of Lake Berryessa at Funning Deer Ranch 2.5 miles south of Knoxville-Berryessa Road. 0 Comment
  HSC33343  Cardaria chalepensis William J. Ferlatte 1972-4-18 1678 Napa Hwy. 128 at mile post 18.19, 0.8 mi. W of junction with Berryessa-Knoxville Rd., N of road 305 Comment
  RSA135620  Carduus pycnocephalus John H. Thomas 1955-5-21 5123 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  CAS-BOT-BC281732  Carduus pycnocephalus Betty H. Johnson 1958-6-15 627 Napa 6.4 miles SW of [unreadable] Comment
  OBI68596  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 -58 Napa S facing slope, State hwy 53, 2.5 mi N Calistoga Comment
  UCD85577  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 -58 Napa State Highway 53, 2.5 miles north of Calistoga. Comment
  CAS-BOT-BC18182  Carex John H. Thomas 1969-4-29 15029 Napa Between road and railroad tracks at Yountville. Comment
  SEINET7551520 Image available Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa Northwest Napa. Comment
  CAS-BOT-BC18902  Carex densa Joseph Prince Tracy 1938-6-5 15836 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's. 457 Comment
  CAS-BOT-BC18905  Carex densa Elsa G. Ruckert 1960-4-29 126 Napa Pond, 300 yards from house, 6495 Dry Creek Road. 365 Comment
  UCD167142  Carex densa Jake Ruygt 2015-5-2 6087 Napa West of Buck Mountain near Nevada. 599 Comment
  UCD161698  Carex densa Jake Ruygt 2010-5-24 5561 Napa south of Heitz Way, west side of Highway 29. 94 Comment
  UCD161741  Carex densa Jake Ruygt 1993-4-18 3207 -c Napa north of American Canyon Creek, south of American Canyon sanitation. 2 Comment
  CAS-BOT-BC28415  Carex gracilior Peter H. Raven 1950-5-6 2019 Napa Near Rt. 29 in Old Faithful Geyser road 2 mi N of Calistoga. 182 Comment
  UCD161789  Carex lyngbyei Jake Ruygt 1999-7-3 4192 Napa end of Green Island Road at river. 2 Comment
  CAS-BOT-BC32052  Carex multicaulis Alice Eastwood 1922-5-4 1283 Napa In woods, Mt. St. Helena. Comment
  CAS-BOT-BC119517  Carex nudata Beecher Crampton 1954-6-13 1952 Napa Sandy beach of Putah Creek, along St Hwy 128, 8 mi W of Winters. Comment
  HSC7156  Carex nudata Alice Eastwood, J. T. Howell 1937-4-4 3826 Napa Near summit N of Wooden Valley Comment
  JEPS121337  Carex nudata Jake Ruygt 1993-4-3 3179 Napa Little Bear Valley, along drainage leading in from the W. Comment
  SEINET3905219  Carex nudata Lewis S. Rose 1961-3-30 61024 Napa Conn Reservoir, Lake Hennessy.; 0 61 Comment
  UCD161614  Carex nudata Jake Ruygt 2002-3-23 4370 Napa Snell Valley, Missimer Wildflower Preserve. 219 Comment
  CHSC83353  Carex praegracilis L. P. Janeway; B. Castro 2002-5-12 7530 Napa Inner North Coast Ranges. Small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD140839  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa above Capell Creek, north end of Capell Valley, along State Highway 128. Comment
  RSA98669  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon. 244 Comment
  UCD161786  Carex subbracteata Jake Ruygt 2006-4-15 4981 Napa Highway 29 about 0.5 mile south of Lincoln Avenue, Calistoga. (Coordinates converted from UTM data by label maker.) 111 Comment
  RSA783701  Carex subbracteata Jake Ruygt 2009-6-22 3221 -b Napa Yountville Ecological Reserve. Yountville Cross Road. Comment
  UCD161540  Carex tumulicola Jake Ruygt 1992-5-4 2932 Napa Westwood Hills Park, Browns Valley Road, Napa. 91 Comment
  UCD161586  Carex tumulicola Jake Ruygt 2008-4-24 5304 -e Napa center divide of Highway 221 about 1/4 mile north of Highway 29 intersection. 30 Comment
  CAS-BOT-BC249080  Castilleja affinis John Thomas Howell 1931-4-2 6095 Napa 10 mi. east of Napa on road to Monticello, Napa Range Comment
  UCD122149  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. Comment
  UC27153  Castilleja ambigua subsp. ambigua Ferd. L. Clark 1892-1 Napa near Yountville Comment
  JEPS122743  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5793 Napa West of Atlas Peak Road, 2.4 km southwest of Foss Valley. Quad: Yountville. Comment
  JEPS128906  Castilleja ambigua var. meadii Jake Ruygt 1987-5-7 1967 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  UC1001198  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due e. of Yountville Comment
  JEPS5194  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1953-5-27 4168 Napa at s city limit of Calistoga, at roadside of main Napa Valley Highway Calistoga 102 Comment
  JEPS88836  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7835 Napa near summit between Calistoga and Middletown Comment
  RSA93064  Castilleja applegatei subsp. martinii Milo S. Baker 1953-5-11 12650 Napa Mt. St. Helena Hwy, West side short distance above Hanley's. Comment
  JEPS9878  Castilleja attenuata C. F. Sonne Apr 1888 Napa Comment
  UC1537455  Castilleja attenuata Gordon H. True Jr. 1938-4-14 865 Napa Yountville Comment
  UC194175  Castilleja attenuata C. F. Sonne Apr 1895 Napa Napa Junction Comment
  UCD122405  Castilleja exserta H. Popenoe 1949-4-17 11 Napa Putah Canyon, 8 miles west of Winters. Comment
  CDA11898  Castilleja foliolosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11722 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS110654  Castilleja foliolosa Jake Ruygt 1977-5-3 213 Napa 3.5 miles north of Monticello Rd. on Atlas Peak Rd 219 Comment
  UC1217067  Castilleja foliolosa Paul C. Hutchison 1963-3-3 2675 Napa 2 mi above St. Helena Sanitarium (along the road to Pope Valley) Comment
  UC26422  Castilleja foliolosa Willis L. Jepson 1893-4-25 Napa Napa River Basin; trail to Caux's Cabin Comment
  UCD48225  Castilleja foliolosa E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 1 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  OBI9361  Castilleja rubicundula Rimo Bacigalupi, J. R. Sweeney 1953-5-26 4124 Napa 5.5 mi N of Calistoga, (measured from S.R. station crossing, in town) along road to Middletown (Calif no. 29) 411 Comment
  UCD162091  Ceanothus cuneatus Dylan O. Burge 2014-3-15 1488 Napa Mount Saint Helena. 850 Comment
  UCD95690  Ceanothus cuneatus Ellen Dean; with Clare Loughran 2011-5-20 7036 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  JEPS42095  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-5-1 13990 Napa nw Calistoga (Franz Valley grade, on divide) Comment
  JEPS42189  Ceanothus cuneatus var. cuneatus W. L. Jepson 1904-6-3 2447 Napa Howell Mt. Comment
  JEPS82369  Ceanothus cuneatus var. cuneatus W. L. Jepson 1937-4-10 18002 Napa Bell Canyon Howell Mt. Comment
  UC18283  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-4-25 Napa trail to Caux's cabin. Napa River Basin Comment
  UCD123865  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-4-27 899 e Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 deg. (True) ENE of Rutherford. 270 Comment
  CAS-BOT-BC49111  Ceanothus cuneatus var. ramulosus Ira L. Wiggins 1932-3-12 5766 Napa Hillside between Franz Valley and Calistoga Comment
  UCR101771  Ceanothus dentatus L. C. Wheeler 1952-8-30 6874 Napa Manganese Ridge: Moore Creek, Howell Mtn Comment
  POM136489  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  UCD63040  Ceanothus divergens Ellen Dean; Stephen Rae 2008-5-21 4980 Napa Hills to the W of Hwy 29 south of the town of Calistoga. Private property accessed by Diamond Mountain Rd. Canyon running east to west and slopes above it. 244 Comment
  RSA10638  Ceanothus foliosus Carl B. Wolf 1928-5-4 1852 Napa Upper slopes of Mount 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
  UC1070629  Ceanothus foliosus A. E. Wieslander 1931-5-11 184 Napa n slope Mt. St. Helena (n of Calistoga.); Calistoga quad. 731 Comment
Read comments
Aug 15 2010
  UC18326  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa below New Eden Howell Mt., Napa River Basin Comment
  UCD112130  Ceanothus foliosus M. Wiesendanger 1927-5-4 697 Napa Monticello Road. Comment
  JEPS42434  Ceanothus foliosus var. foliosus W. L. Jepson 1924-4-6 10318 Napa Howell Mountain, Napa Range 914 Comment
  SBBG32462  Ceanothus foliosus var. foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 Comment
  UCD73422  Ceanothus foliosus var. foliosus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC50792  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  UCD169649  Ceanothus integerrimus Jake Ruygt 2012-5-19 5840 -B Napa Crystal Flats, west of Putah Creek. 121 Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  CAS-BOT-BC50635  Ceanothus jepsonii Ira L. Wiggins 1949-4-30 12095 Napa Hillside along road from Calistoga to Middletown near Lake County line. Comment
  RSA399003  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Near Napa 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
  RSA195385  Ceanothus jepsonii subsp. albiflorus Gilbert Muth 1967-4-9 600 Napa Aetna Spring Road. 305 Comment
  JEPS20110  Ceanothus jepsonii var. albiflorus W. L. Jepson 1915-4-23 6263 Napa Chiles Creek hills Napa Range Comment
  SDSU10322  Ceanothus jepsonii var. albiflorus Claire Schneider, Gary Waayers 1993-4-10 10 IV93E Napa Located off of State Hwy 128 at mile marker 15.35. Comment
  UCD123958  Ceanothus jepsonii var. albiflorus D. O. Burge and C. Miller 2007-6-12 940 e Napa Mayacamas Mountains, at roadside on Livermore Road, near Rattlesnake Spring, 0.6 road miles (1.0 km) west of SR 29, 10.5 km 356 deg. (True) NNW of Calistoga. 535 Comment
  UCD170194  Ceanothus oliganthus var. oliganthus Daniel Potter 2015-3-14 763 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 282 Comment
  RSA398923  Ceanothus oliganthus var. sorediatus Robert M Specht 1977-4-18 681 Napa Along N side of Develhead road in basin betw small hillocks. 451 Comment
  CAS-BOT-BC53176  Ceanothus parryi Elsa G. Ruckert 1960-4-29 122 Napa Dry Creek Road, 1/4 mile n. of junction with Wall Road 365 Comment
  CAS-BOT-BC53177  Ceanothus parryi C. Hart Merriam 1915-6-19 s.n. Napa Ridge west of Napa (between Napa and Sonoma, above Sequoia Resort) Comment
  CAS-BOT-BC53179  Ceanothus parryi M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  RSA26084  Ceanothus parryi Lester Rowntree 1933-4-17 s.n. Napa Near St. Helena Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  UC1602797  Ceanothus parryi C. C. Parry 1881-8-3 Napa Calistoga Comment
  UC164819  Ceanothus parryi Joseph P. Tracy 1902-5-21 1583 Napa on hills at head of Moore's Creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain 365 Comment
  UCD112492  Ceanothus parryi Beecher Crampton 1960-5-17 5540 Napa 6 miles west of Oakville. Comment
  UCD112494  Ceanothus parryi Heidi E. M. Dobson 1978-5-6 319 Napa East slope of Mt. Veeder. Comment
  UCD112669  Ceanothus prostratus G. Ledyard Stebbins Jr. 1964-5-24 6158 Napa Summit of ridge above Aetna Springs. 822 Comment
  CAS-BOT-BC52178  Ceanothus purpureus Willis L. Jepson 1894-2-23 s.n. Napa Near New Eden, Howell Mt. Grade, Napa River Basin Comment
  CAS-BOT-BC52182  Ceanothus purpureus Milo S. Baker 1942-3-1 10190 Napa Northeast of town of St. Helena on road to Pacific Union College Comment
  CAS-BOT-BC52185  Ceanothus purpureus Peter H. Raven 1953-5-2 s.n. Napa Soda Creek Canyon 2 miles below Foss Valley 335 Comment
  CAS-BOT-BC52199  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade east of Napa Comment
  CAS-BOT-BC83729  Ceanothus purpureus D. O. Burge 2007-5-4 905 b Napa Atlas Road, at roadside 5.7 road miles (9.1 km) N of intersection with Monticello Road (SR 121) 410 Comment
  CDA11158  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11570 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
Read comments
Jul 28 2008
  RSA22070  Ceanothus purpureus L. S. Rose 1939-4-16 s.n. Napa 4 miles NE of Napa. 198 Comment
  SEINET3075748 Image available Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley. Comment
  UC1347203  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  UCD112678  Ceanothus purpureus Roman Gankin 1966-3-3 684 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
  JEPS110661  Ceanothus sonomensis Jake Ruygt 1984-3-31 1523 Napa Devil's Canyon, Bismark Knob 624 Comment
  CAS-BOT-BC52895  Ceanothus velutinus H. E. McMinn 1926-1-2 1626 A Napa Mt. St. Helena, near tablet of R.L. Stevenson Comment
  UC79913  Ceanothus velutinus T. S. Brandegee 1889-4 3 Napa Toll House Mt. St. Helena Comment
  CAS-BOT-BC272112  Centaurea cyanus Peter H. Raven 1951-6-26 3051 Napa Wooden Valley Grade 121 Comment
  JEPS106531  Centaurium muehlenbergii Jake Ruygt 1996-10-19 3795 Napa Vine Village, corner of Congress Valley Rd and Oln Sonoma Rd 45 Comment
  UCD19327  Centaurium tenuiflorum M. A. Bibbo; E. Dean 2001-7-6 19 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  UCD83404  Centaurium tenuiflorum Jake Ruygt 2004-10-10 4682 Napa 0.1 mi N of Wine Country Rd. on Solano Ave. 22 Comment
  RSA523908  Centaurium trichanthum Gordon H. True Jr. 1937-7-30 827 Napa Near Aetna Springs. 366 Comment
  UC22707  Centaurium trichanthum H. N. Bolander 1863-9-20 2652 Napa Pope Valley Comment
  JEPS81885  Centaurium trichanthum Roger Raiche 1982-7-25 20641 Napa Butts Canyon Road Comment
  JEPS38152  Centromadia fitchii W. L. Jepson 1930-10-19 15688 Napa Pope Valley Comment
  JEPS38168  Centromadia parryi subsp. parryi W. L. Jepson 1894-7-19 Napa about 2 mi above Calistoga Comment
  JEPS38176  Centromadia parryi subsp. parryi Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UC726515  Centromadia parryi subsp. parryi A. A. Heller 1941-9-22 Napa Calistoga Comment
  JEPS51353  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  UCD48851  Cerastium glomeratum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 10 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of Cut-Off Rd. 152 Comment
  CAS-BOT-BC179383  Cercis occidentalis Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  HSC14637  Cercis occidentalis Greg Bos 1963-3-3 21 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  LA45606  Cercis occidentalis Ethel Crum; 1937-8-8 1956 Napa Putah Creek Canyon, 7 mi. SE of Monticello Comment
  UCD105661  Cercis occidentalis J. M. Tucker 1950-3-10 1920 Napa Putah Canyon, 9.3 miles west of Winters. Comment
  UCD105663  Cercis occidentalis M. R. Wanzer 1948-4-3 5 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  UC1784135  Cercocarpus betuloides Ethel Crum 1930-1 814 Napa St. Helena Comment
  UCR146182  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa Inner North Coast Ranges, 9 miles east of Rutherford on State Hwy 128 183 Comment
  CAS-BOT-BC135484  Cercocarpus betuloides var. betuloides Alice Eastwood 1918-5-1 6839 Napa Mt. St. Helena Comment
  CAS-BOT-BC135486  Cercocarpus betuloides var. betuloides Frank W. Gould 1939-4-6 598 Napa Five miles east of Napa 228 Comment
  CAS-BOT-BC135489  Cercocarpus betuloides var. betuloides Mrs. Elizabeth Wright 1920-2-22 s.n. Napa Calistoga Comment
  UCD170660  Chaenactis glabriuscula var. glabriuscula 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 Comment
  UCD32574  Chaenactis glabriuscula var. heterocarpha Beecher Crampton 1954-5-20 1928 Napa 8 miles southwest of Monticello, along highway 128. Comment
  JEPS51913  Chamaesyce nutans W. L. Jepson 1894-11-7 13928 Napa below; Napa River Basin, Napa City Comment
  RSA92928  Chamaesyce serpillifolia P. H. Raven 1951-6-24 3011 Napa Napa to Brown's Valley. 61 Comment
  CDA34673  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS115769  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 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
  UC1130428  Chamaesyce serpyllifolia B. Schreiber 1936-9-20 2356 Napa 5 mi s Reiff 762 Comment
Read comments
Jun 7 2013
  JEPS52337  Chamaesyce serpyllifolia W. L. Jepson 1897-7-12 13930 Napa Samuels Springs, Aetna Comment
  CAS-BOT-BC68159  Cheilanthes intertexta John Thomas Howell 1931-4-4 6169 A Napa Mt. St. Helena region - Crater Country Comment
  JEPS59710  Chenopodium ambrosioides W. L. Jepson 1894-11-7 Napa St. Helena Comment
  JEPS59711  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa St. Helena Comment
  JEPS59713  Chenopodium ambrosioides W. L. Jepson 1892-10-22 Napa St. Helena Napa River Comment
  UCD48272  Chlorogalum pomeridianum var. pomeridianum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 26 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC252841  Chorizanthe polygonoides var. polygonoides M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC252838  Chorizanthe polygonoides var. polygonoides Peter H. Raven 1951-6-10 2908 Napa Crater Region E of Mt. St. Helena 792 Comment
  CAS-BOT-BC252842  Chorizanthe polygonoides var. polygonoides John Thomas Howell 1933-6-4 11392 Napa Hills east of Napa Comment
  SEINET11933915  Chorizanthe polygonoides var. polygonoides F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -297 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  RSA95088  Cichorium intybus Joseph A. Ewan 1933-9-17 7998 Napa Vacant lot in Napa, Napa Valley Comment
  CAS-BOT-BC279969  Cirsium douglasii var. douglasii Gene Cornett 1952-6-2 s.n. Napa Napa Comment
  JEPS59118  Cirsium douglasii var. douglasii Willis L. Jepson 1892-8-1 Napa Napa Valley Comment
  CDA1309  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2256 -B Napa 1.7 mi. west of Oakville; Oakville Grade Rd. cut west of Summit. Comment
  CAS-BOT-BC288694  Cirsium remotifolium Alice Eastwood 1915-6-5 4650 Napa Calistoga Comment
  CAS-BOT-BC288696  Cirsium remotifolium John Thomas Howell 1941-6-21 16314 A Napa Hills SW of St Helena Comment
  CDA1556  Cirsium remotifolium var. odontolepis H. Stabo 1975-6-12 s.n. Napa St.Helena; 4001 Spring Mountain Rd.; (County line, Sec. 30 is in Sonoma Co.). 0 Comment
  UC469085  Cirsium remotifolium var. odontolepis H. P. Chandler 1907-5-30 7601 Napa St. Helena White Sulphur Spr., St. Helena Comment
  UC1196999  Clarkia Joseph P. Tracy 1938-6-5 15826 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD167269  Clarkia affinis Jake Ruygt 2010-5-16 5557 Napa Mt. George, Foote Botanical Preserve, west slope. 256 Comment
  UCD49180  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 20 Napa Quail Ridge UC Reserve, northern tip of peninsula, shaded shallow saddle 50 ft. W of power line near ridge. 274 Comment
  UC930763  Clarkia amoena Alice Eastwood, John Thomas Howell 1939-6-11 7421 Napa sw Oakville; Hood Mt. Range Comment
  UCR260821  Clarkia arcuata M. Kauffman 1997-5-28 24 Napa North Coast Range, 0.3 mi. west of Berryessa-Knoxville Rd. on 128, 5.2 miles west of 121 & 128 junction, mile marker 18.71 on 128 366 Comment
  UCD160214  Clarkia concinna James A. Neilson Jr. 1974-5-5 2927 Napa Oakville Grade and Dry Creek Road. (Elevation and coordinates estimated by label-maker using topo map.) 175 Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa Valley Comment
  SEINET5740166 Image available Clarkia concinna Kathleen Barnes 1973-1 52 Napa Chiles Road, 1 mile S from its junction with Pope Valley Road. Comment
  UCD104418  Clarkia concinna Max P. Dunford 1961-5-20 1039 Napa 1/4 mile W of Monticello Dam on State Highway 128, W of Winters. Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  HSC64520  Clarkia concinna subsp. concinna J. P. Smith, J. O. Sawyer 1970-5-17 3772 Napa 3 mi. S of Pope Valley Comment
  UC130893  Clarkia concinna subsp. concinna Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  UCSC009023  Clarkia concinna subsp. concinna Dylan M. Neubauer 2015-4-24 125 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  RSA209534  Clarkia concinna subsp. concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River, at the Mill House , 6.4 miles SW of Middletown Comment
  UCSB17305  Clarkia gracilis Haller, John 1961-6-18 Napa 7.7 mi SE of Pope Valley; on road to Lake Hennessy 274 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
  UCD48061  Clarkia gracilis subsp. gracilis J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 17 Napa McLaughlin Reserve, near Yolo County line. 670 Comment
  JEPS13167 Image available Clarkia gracilis subsp. gracilis W. L. Jepson 1894-5-1 13339 Napa mouth Conn Valley; Napa River Basin; Conn Valley, Napa River Basin Comment
  JEPS110765  Clarkia gracilis subsp. sonomensis Jake Ruygt 1976-5-18 90 Napa 1.4 miles west of Madronna St. on Spring Mountain Rd. 152 Comment
Read comments
Aug 15 2010
  UCD104571  Clarkia gracilis subsp. tracyi L. P. Thibault 1995-6-2 61 Napa West side of Lower Chiles Valley Road, 1/4 mile NW of Highway 128. 300 Comment
  POM161349  Clarkia purpurea subsp. quadrivulnera R. C. Bacigalupi 1928-6-20 1857 Napa Howell Mt. 10 miles west of St Helena. Comment
  UCD81814  Clarkia purpurea subsp. quadrivulnera Ellen Dean 2009-4-24 5441 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC163690  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-10 2899 Napa Calistoga-[Hanly's] Hanley's, Toll Rd., Mt. St. Helena 182 Comment
  UCD104908  Clarkia purpurea subsp. quadrivulnera Beecher Crampton 1950-5-7 566 Napa SE of St. Helena, along the Silverado Trail. Comment
  JEPS43587  Clarkia purpurea subsp. viminea W. L. Jepson 1936-7-3 17635 Napa below Four Corners; Napa Range, Howell Mt. Comment
  JEPS43712  Clarkia rhomboidea Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  JEPS110691  Clarkia unguiculata Jake Ruygt 1989-5-7 2302 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 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
  JEPS129175  Claytonia exigua subsp. exigua Jake Ruygt 2015-3-10 6036 Napa Sutro Ranch, east side of Atlas Peak. Yountville 7.5' Quad. Comment
  JEPS43324  Claytonia gypsophiloides W. L. Jepson 1910-3-28 4020 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  JEPS77943  Claytonia parviflora subsp. parviflora Edward Lee 1936-3-15 1802 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD168556  Claytonia parviflora subsp. parviflora Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD13129  Claytonia perfoliata Etienne Oleksiewicz 1981-4-18 6 Napa on Knoxville Rd., 8.9 miles north of Pope Canyon Rd., north facing slope. Comment
  JEPS77941  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1797 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD49146  Claytonia perfoliata subsp. perfoliata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 B Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  CAS-BOT-BC91448  Clematis lasiantha Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  SBBG50563  Clematis lasiantha C. D. Spencer 1972-4-16 31 Napa Soda Cyn Rd, 8.2 mi from US Post Office on Trancas Avenue, Napa 609 Comment
  UCD73054  Clinopodium douglasii Ellen Dean; S. Rae 2008-5-21 4973 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  UCD160674  Collinsia greenei Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8746 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UC735041  Collinsia greenei Lincoln Constance, John F. Davidson, Ren Hwa Shan, & W. Herbert Wagner 1946-5-18 3046 Napa near Mount St. Helena Inn (se slope of Mount St. Helena); Mount St. Helena Comment
  UC1196847  Collinsia heterophylla Joseph P. Tracy 1902-5-21 12484 Napa 3-4 mi e of Angwins (Howell Mountain, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  UCD123623  Collinsia heterophylla Jon Weil 1961-3-18 s.n. Napa State Highway 128, between Lake Berryessa and Rutherford. Comment
  UCD49262  Collinsia heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd.,W side of creek. 167 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
  HSC38124  Collinsia heterophylla Thomas W. Nelson, Jane P. Nelson, James Nelson, J. P. Smith 1976-4-12 2351 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  UCD123621  Collinsia heterophylla M. Thibodeau 1995-4-15 9 Napa west of City of Winters, along Hwy 128. Quail Ridge Reserve, 15 meters north of main cabin. 274 Comment
  CAS-BOT-BC94519  Collinsia sparsiflora R. C. Wenk; E. S. Wenk 2006-4-30 437 Napa Robert Louis Stevenson State Park. Trail going E from Highway 29 parking lot for trail to Mt. St. Helena, 1/2 mile from Comment
  SEINET13406371  Collinsia sparsiflora M. J. Williams 1967-5-7 s.n. Napa Pope Valley. 198 Comment
  UCD20025  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1213 Napa 1 mile west of junction of Route 128 and Pope Valley Road, on south side of Lake Hennessy. Comment
  UCD13234  Collinsia sparsiflora Jim McKenna 1974-4-28 74 Napa Dutch Henry Canyon Rd, ca. 3 (airline) miles east of Calistoga. 548 Comment
  CAS-BOT-BC474520  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena: Franz Valley School Rd, approx. 1 mi E of Napa/Sonoma Co. line 200 Comment
  CDA11625  Collinsia sparsiflora var. arvensis G. F. Hrusa, S. Larson 1995-4-1 12064 Napa North Coast Biodiversity Arena; Chiles Valley/Pope Valley Rd. approx 2 m. S of Pope Canyon Rd. intersection. Comment
  JEPS77940  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3/4 mi from Rutherford (along Rutherford-Pope Valley rd) Comment
  SFV8689  Collinsia sparsiflora var. arvensis S. Logan 1965-3-19 1 Napa Dollarhide Road about 3 miles east of Pope Valley. Comment
  UC903162  Collinsia sparsiflora var. arvensis Ethel Crum 1937-4-19 1778 Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  UC917131  Collinsia sparsiflora var. arvensis D. C. Finfrock 1950-4-2 14 Napa 2 mi from St. Helena on the Pope Valley Road St. Helena; Pope Valley Road Comment
  UCR17489  Collinsia sparsiflora var. arvensis E. Turula 1975-3-29 78 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  UC138690  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Pacific Coast, Calistoga Calistoga; Pacific Coast, Calistoga Comment
  UCD168547  Collinsia sparsiflora var. collina Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS25072  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1933-4-30 12099 Napa 3-4 mi e Angwin's (head of Moore's Creek, on hills); North Coast Ranges, Howell Mtn, Moore's Creek 396 Comment
  UC614494  Collinsia sparsiflora var. sparsiflora L. Constance 1938-3-27 2038 Napa 5 mi e of Napa (e slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains 457 Comment
  UCD123675  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1995-4-2 12044 Napa above Highway 128. 200 Comment
  UCD123680  Collinsia sparsiflora var. sparsiflora P. J. Salamun 1974-4-20 7078 Napa Snell Valley, quadrangle near Pope Valley. 182 Comment
  UCD170677  Collinsia sparsiflora var. sparsiflora Matthew Conner; Plant Science 102 class 2018-4-28 13 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
  JEPS112526  Collinsia tinctoria Jake Ruygt 1978-5-14 312 Napa .6 mile north of Oakville Cross Rd. on Silverado Trail 121 Comment
  JEPS7296  Collinsia tinctoria Alice King Jul 1919 Napa Van Ness Ranch , Mt. St. Helena (Mt. St. Helena) Comment
  JEPS7313  Collinsia tinctoria Willis L. Jepson 1893-6-26 21328 Napa Angwin's Meadows; Napa River Basin; Howell Mtn. Comment
  JEPS25047  Collinsia tinctoria J. P. Tracy 1899-7-3 363 Napa 3-4 mi e Anqwin's (head of Moore's Creek, Howell Mtn); Howell Mtn, head of Moore's Creek 518 Comment
  CAS-BOT-BC229540  Collomia diversifolia Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon Comment
  SEINET8729290 Image available Collomia diversifolia Herbert L. Mason 1948-1 13570 Napa Near head of Butts Canyon Comment
  JEPS110955  Collomia heterophylla Jake Ruygt 1981-4-25 999 Napa road between Aetna Springs and Table Mtn 396 Comment
  RSA88579  Collomia heterophylla L. S. Rose 1954-5-24 54047 Napa Summit, Wooden Valley grade, 6 miles N E of Napa. Comment
  JEPS106937  Conyza canadensis Jake Ruygt 1992-8-31 3134 Napa west side of Leoma Lakes, Wild Horse Valley Ranch 405 Comment
  JEPS64337  Corallorhiza maculata W. L. Jepson 1894-7-19 21267 Napa near Toll House; Mt. St. Helena Comment
  JEPS95192  Cordylanthus mollis subsp. mollis Jake Ruygt 1994-7-30 Napa Fagan Slough 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
  RSA201598  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa East side of Mt. St. Helena, abotu 0.5 miles south of Lake Co. line. Comment
  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
  UC21512  Cornus glabrata unknown 2657 Napa Pope Valley Comment
  UCD117119  Cornus glabrata Glen Holstein 1978-5-6 s.n. Napa Along Eticuera Creek, near Berryessa-Knoxville Road ca. 6 miles north of north shore of Lake Berryessa. 243 Comment
  SEINET9330248  Cornus glabrata Unknown 1954-5-20 1920 Napa 3 mi E of Rutherford, along hwy 128, Sage Canyon, Conn Creek. Growing under valley oak. Comment
  CAS-BOT-BC209416  Cornus nuttallii John Thomas Howell 1926-10-3 2208 Napa St. Helena Creek one mile below Patten's 609 Comment
  UC1280735  Cornus nuttallii H. E. McMinn 1936-4-4 4383 Napa Howell Mt. Bird Refuge Comment
  UCD110076  Corylus cornuta subsp. californica Baki Kasapligil 1964-4-11 3458 Napa Angwin 7 miles east of St. Helena, Howell Mt. Ca. 1700 along creek. Comment
  JEPS110659  Cotoneaster pannosus Jake Ruygt 2005-6-12 4920 Napa Monticello Road, 0.9 mi E of Atlas Peak Road 79 Comment
  UCD18049  Crassula connata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 601 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  CAS-BOT-BC427681  Crassula connata John Thomas Howell 1926-3-27 1755 Napa Soscol Comment
  UCD36950  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD145278  Crypsis schoenoides Barry Hammel 1976-5-30 454 Napa Lake Berryessa. Comment
  UC1950217  Cryptantha clevelandii Barbara Ertter with Annetta Carter 1989-5-28 8510 Napa near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd, serpentine hills S of road Comment
  JEPS106755  Cryptantha flaccida Jake Ruygt 1998-5-2 3947 Napa Chiles Canyon near white stone bridge. 146 Comment
  JEPS106699  Cryptantha hispidula Jake Ruygt 1980-4-22 851 Napa .6 miles south of Berryessa-Knoxville Rd on Devilshead Rd. 481 Comment
  SBBG29139  Cryptantha hispidula M. S. Baker 1934-4-19 7816 Napa Pope crk rd near Pope valley Comment
  UC1278001  Cryptantha hispidula B. Crampton 1957-6-4 4092 Napa above Capell Creek (n end of Capell Valley); Capell Valley 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
  UCD169788  Cryptantha hispidula Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 797 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCD170433  Cryptantha hispidula Daniel Potter; Peter Lash 2017-3-28 905 Napa Knoxville Wildlife Area, on road on ridge above and east of upper Zim Zim Creek drainage, west of Berryessa-Knoxville Road. 537 Comment
  UCD18062  Cryptantha hispidula Ellen Dean; with Plant Biology 102 class 2000-4-22 617 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
  UCR179389  Cryptantha hispidula Robert Wolfson, J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 34 Napa McLaughlin Reserve, c. 0.5 miles south of Berryessa-Knoxville Rd. Along east side of Devilhead Rd., 1st ridge south of Devilhead Rd. 518 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
  JEPS67645  Cryptantha intermedia W. L. Jepson 1896-6-2 21095 Napa St. Helena, hill by stone bridge over Napa River St. Helena, Napa River 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
  CDA1806  Cupressus macnabiana D. G. Kelch, D. A. Weinstein 1995-4-1 s.n. Napa Along Knoxville-Berryessa Rd nr large mine. Comment
  JEPS88724  Cupressus macnabiana W. L. Jepson Jul 1897 Napa Samuel Springs to Middleton Comment
  NY16702  Cupressus macnabiana P. H. Raven 1951-10-28 3958 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
  CAS-BOT-BC85488  Cupressus sargentii Howard E[a]rnest McMinn 193 Napa along Pope Creek in Pope Canyon from Pope Valley to Monticello Comment
  RSA129447  Cupressus sargentii B. O. Schreiber 1936-9-20 2357 Napa 5 miles S of Reiff. 762 Comment
Read comments
Jun 14 2013
  RSA17620  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 457 Comment
  RSA17621  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-17 6196 Napa North side of Mt. St. Helena, 300 ft. south of Lake County line on Middletown - Calistoga road 457 Comment
  RSA352388  Cupressus sargentii P. H. Raven 1965-5-16 20209 Napa Cedar Valley, vicinity of Knoxville 610 Comment
  RSA85822  Cupressus sargentii F. W. Peirson, Mabel Peirson 1926-4-3 6623 Napa Northern edge of Napa County on Middletown Road Comment
  UCD163406  Cupressus sargentii D. Slakey; CNPS Volunteers 2015-4-25 120 Napa South side of Hunting Creek Road, about 900 road meters east of the Campground at the west end of the road. Behind fence. 411 Comment
  SEINET10531527  Cupressus sargentii Peter H. Raven 1965-5-16 Raven 20209 Napa Cedar Valley, vicinity of Knoxville. 610 Comment
  CAS-BOT-BC224537  Cuscuta californica John Thomas Howell 1933-8-27 11648 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  UCD170466  Cuscuta indecora var. indecora Daniel Potter; Ninh Khuu 2016-6-18 895 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 448 Comment
  JEPS116523  Cuscuta subinclusa Jake Ruygt 1991-7-27 2805 b Napa North of the Southern Crossing, Highway 29 Horseshoe Island. Napa 7.5' Quad. Comment
  UCD167098  Cuscuta subinclusa Jake Ruygt 2015-6-13 6130 Napa Fernandes - Snell Peak, Land Trust. 360 Comment
  UCD170144  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  SEINET5731319 Image available Cynoglossum grande R. F. Denno 1967-1 49 Napa Lower Chiles Valley Road, 1 mile NW of State Hwy 128. 229 Comment
  CAS-BOT-BC114682  Cyperus eragrostis Elsa G. Ruckert 1960-5-22 158 Napa 6495 Dry Creek Road. Pond 300 yds SW of house. 365 Comment
  CAS-BOT-BC114681  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  JEPS115959  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 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
  SEINET3909600  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges.; 0 91 Comment
  SEINET9743379  Cyperus erythrorhizos Mark Bibbo 2002-7-28 75 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. Comment
  UC1950192  Cyperus erythrorhizos Barbara Ertter with Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  UCD20705  Cyperus erythrorhizos Mark Bibbo 2002-7-28 75 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
  UCR263782  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa North Coast Ranges, Lake Hennesy c. 15 air miles north-northwest of Napa, on Conn Creek, east of boat-launching ramp on southeast edge. 91 Comment
  UC1133517  Cyperus niger Beryl Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch Comment
  JEPS77929  Cyperus niger Edward Lee 1935-12-1 1674 Napa rd. from Napa to Wooden Valley (ca. 0.7 mi. beyond (s. of) 1st. stop, Sarco Creek); Howell Mts., Sarco Creek Comment
  JEPS122994  Danthonia californica Jake Ruygt 1992-5-15 2957 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UC185006  Danthonia californica J. P. Tracy 1902-5-21 1612 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  UCD60493  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa 1 mi. S. of Calistoga on Hwy. 29. Comment
  UCR30537  Danthonia californica John C. Roos 1939-5-13 272 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  UCSB4261  Datisca glomerata Kamb, Peter 1950-6-9 Napa 5 miles south of Monticello, on California #37 Comment
  JEPS115751  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 130 Comment
  JEPS129031  Daucus pusillus Jake Ruygt 2016-5-21 6259 Napa Wantrup Wildlife Preserver, Hardin Road. Santa Helena 7.5' Quad. Comment
  UCD48432  Daucus pusillus K. Mogel; B. Pekin and M. Higley 2002-5-4 7 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft along the lower road that leads to the power lines; side of road. 310 Comment
  UCD48153  Delphinium hesperium subsp. pallescens Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 18 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  LA207503  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-9-5 sn Napa Putah Creek Canyon, 14.7 mi. W of Winters Comment
  CAS-BOT-BC9816  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC9811  Delphinium nudicaule Belle R. Jackson 1930-6-8 s.n. Napa On Old Toll Road below Patten's Mt. St. Helena region Comment
  CAS-BOT-BC9817  Delphinium nudicaule Ira L. Wiggins 1949-4-30 12079 Napa Along old toll road between Calistoga and Middletown, about 2.5 mi. from Calistoga Comment
  CAS-BOT-BC116497  Delphinium patens subsp. patens Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS110984  Delphinium patens subsp. patens Jake Ruygt 1981-4-18 979 Napa Harris Canyon 304 Comment
  CAS-BOT-BC116490  Delphinium patens subsp. patens P. H. Raven 1957-5-6 10775 Napa Hills at western edge of Calistoga 182 Comment
  RSA304849  Delphinium patens subsp. patens James R. Shevock 1971-4-8 922 Napa Hwy 29, near county line. 549 Comment
  UCD13263  Delphinium uliginosum Mary M. Hektner 1973-6-4 348 Napa Napa CO. Chiles and Pope Valley Road, ca 3 miles north of junction with Lower Chiles Valley Road. Comment
  CAS-BOT-BC7913  Delphinium variegatum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  RSA128562  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville. 244 Comment
  RSA149657  Delphinium variegatum Harlan Lewis, G. Mehlquist 1941-5-8 s.n. Napa Monticello to Napa road 5.1 miles S of the road to St. Helena Comment
  SD44515  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa East side of Mount St. Helena; moist grassy slopes above road. 456 Comment
  UCD118741  Dendromecon rigida Katherine Graham; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  CAS-BOT-BC657  Dendromecon rigida subsp. rigida Severin A. Baumann 1953-7-4 10 Napa Top of rocky hill, on edge of highway 2 miles from Oakville between Boyes Springs and Oakville. 213 Comment
  CAS-BOT-BC659  Dendromecon rigida subsp. rigida Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena. Comment
  UC187273  Deschampsia danthonioides Joseph P. Tracy 1902-5-21 1605 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 335 Comment
  UC766810  Deschampsia danthonioides R. F. Hoover 1941-4-26 4922 Napa Pope Valley Comment
  JEPS122986  Deschampsia elongata Jake Ruygt 1992-5-6 2952 Napa Mitten Lake, Wild Horse Valley Ranch. Quad: Mount George. Comment
  CAS-BOT-BC599  Dicentra formosa subsp. formosa P. H. Raven 1953-4-2 5294 Napa Tulucay Creek 243 Comment
  JEPS64147  Dichelostemma capitatum W. L. Jepson 1938-5-18 18799 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  CHSC27760  Dichelostemma capitatum subsp. capitatum Ethel Pearson 1978-3-24 1 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  JEPS110908  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1982-2-24 1107 Napa Calistoga Grade, Mt. St. Helena 350 Comment
  UCD148244  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-4-6 2905 Napa Calistoga, on N side of old landing strip, at east end. 104 Comment
  UCD170816  Dichelostemma capitatum subsp. capitatum 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD70462  Dichelostemma capitatum subsp. capitatum B. Wengeler 1995-4-16 s.n. Napa West of City of Winters, 2 m W of Monticello Dam along hwy 128. Open hillside. Perennial, 24 in tall. Flowers purple. 158 Comment
  UCD148738  Dichelostemma congestum Jake Ruygt 2005-6-7 4908 c Napa Napa County; ridge top west of Circle Oaks. 588 Comment
  UCD68011  Dichelostemma congestum P. J. Plummer 1995-5-27 s.n. Napa Napa County Highway 128. Ascending, growing on grassy East facing hillside. Flowers, lavendar. 335 Comment
  CAS-BOT-BC502159  Dichelostemma congestum Peter H. Raven 1957-5-5 10773 Napa Hills at the western edge of Calistoga Comment
  SEINET3885705  Dichelostemma pulchellum Linda Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road.; 0 183 Comment
  RSA183470  Dichelostemma volubile Michael Flescher 1965-5-13 13 -10 Napa Along Zim Zim Creek, near Cedar Valley, N of Lake Berryessa off the road from Knoxville to Lower Lake. Comment
  UCD14205  Dichelostemma volubile William Tierney 1973-5-12 77 Napa along Highway 128, 10 miles west of Winters, near Monticello Dam; 228 Comment
  JEPS110680  Digitalis purpurea Jake Ruygt 1984-6-23 1568 Napa St. Helena Creek near Livermore Rd. 463 Comment
  CAS-BOT-BC150366  Diplacus aurantiacus L. R. Abrams 1916-7-12 5769 Napa Near St. Helena Sanitarium Comment
  CHSC83411  Diplacus aurantiacus L. P. Janeway; B. Castro 2002-5-12 7547 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  SEINET200262  Diplacus bolanderi Francia Chisaki 1957-1 970 Napa By Soda Cr, between Chiles Valley & Monticello Comment
  CAS-BOT-BC151879  Diplacus congdonii David D. Keck 1931-4-2 1016 Napa Wooden Valley Grade west side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC151959  Diplacus douglasii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC153277  Diplacus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  JEPS8807  Dipsacus fullonum W. L. Jepson 1936-5-30 17563 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  CAS-BOT-BC208623  Distichlis spicata Peter H. Raven 1951-6-24 3024 Napa Inter, Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UCD18044  Dodecatheon hendersonii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 595 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD73390  Dodecatheon hendersonii 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
  CHSC59583  Dodecatheon hendersonii Scott Bingham 1975-5-11 83 Napa At top of grade 4.5 miles east of Toll House. 120 Comment
  UCD15065  Dodecatheon hendersonii Gail Matson 1977-4-16 23 Napa Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam. Comment
  UCSB4849  Dodecatheon hendersonii Keator, Glenn 1959-3-28 Napa Near south end of Lake Hennessy, Napa range. Comment
  UC1746013  Downingia concolor var. concolor Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2776 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  RSA195338  Downingia concolor var. concolor Gilbert Muth 1967-5-19 694 Napa Milliken Dam. 335 Comment
  JEPS106570  Downingia pusilla Jake Ruygt 1986-4-14 1701 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  JEPS106844  Draba verna Jake Ruygt 1982-3-3 1115 Napa Long Canyon near Berryessa-Knoxville Rd 327 Comment
  POM263488  Draba verna J. C. Roos 1939-2-21 299 Napa Near Angwin, Napa Range. Comment
  UCD19949  Draba verna Ellen Dean; Virginia Boucher 2002-2-28 892 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  RSA123326  Drymocallis glandulosa var. glandulosa B. O. Schreiber 1936-3-5 2202 Napa 1.5 miles W of Calistoga 152 Comment
  JEPS103988  Dryopteris arguta Jake Ruygt 1978-3-12 238 Napa .9 mile east of Silverado Trail on Deer Park Road 152 Comment
  UCD48303  Dryopteris arguta Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. at junction with Decker Bay trail. 152 Comment
  RSA693749  Dryopteris arguta B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  UCD67886  Dryopteris arguta D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. Valley oak forests (Quercus lobata) in large creeks. 260 Comment
  JEPS49910  Dudleya caespitosa H. P. Chandler 1907-5-14 7570 Napa White Sulfer Springs St. Helena Comment
  UC1127116  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Qaudrangle 609 Comment
  UC191167  Dudleya cymosa C. F. Sonne 1897-4-1 Napa St. Helena Comment
  UCD15006  Dudleya cymosa Eva Kuuth 1977-5-2 205 Napa Along the Berryessa-Knoxville Rd., 0.5 mile NE of the junction with Highway 128; Comment
  CHSC102266  Dysphania pumilio Lowell Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  SEINET186064 Image available Echinochloa crus-galli V. E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena); near pumping plant 111 Comment
  SEINET6836772 Image available Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan Halfway Station (between Calistoga and Mount Saint Helena); near pumping plant 111 Comment
  RSA123460  Echinochloa crus-pavonis B. O. Schreiber 1936-8-16 2325 Napa 0.8 mile south of Yountville 152 Comment
  UCD38848  Echinochloa muricata Beecher Crampton 1962-9-25 6676 Napa Comment
  UC1562883  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  JEPS115684  Eclipta prostrata Lowell Ahart 2009-10-27 16478 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  JEPS126048  Egeria densa Jake Ruygt 2005-4-10 4754 Napa Lake Camille. Mount George 7.5' Quad. Comment
  JEPS121360  Eleocharis acicularis var. acicularis Jake Ruygt 1992-5-18 2976 Napa Yountville Ecological Reserve, Yountville. Comment
  UCD73492  Eleocharis palustris Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  SEINET9358379  Eleocharis palustris Unknown 1935-6-4 35199 Napa Napa Comment
  RSA125599  Eleocharis rostellata Peter H. Raven 1957-5-5 17053 Napa Calistoga 91 Comment
  RSA10693  Elymus glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi. no. of Calistoga, Mt. St. Helena Grade. Comment
  RSA128741  Elymus glaucus P. H. Raven 1950-5-6 2010 Napa Shaded place above where the w. branch of the Napa R. Meets Rt. 29, ca. 1 mile N of Calistoga Comment
  UCD17975  Elymus glaucus Ellen Dean; with Plant Biology 102 class 2001-4-14 700 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  JEPS76083  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-22 18811 Napa Limekiln Creek Canyon Pope Valley Comment
  JEPS122978  Elymus multisetus Jake Ruygt 1982-6-13 1315 Napa Cedar Roughs. Quad: Chiles Valley. Comment
  UCD20751  Epilobium brachycarpum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 100 Napa McLaughlin UC Reserve. Knoxville-Berryesa Rd. 2.4 road miles S of jct. with Devilhead Rd. W side of the road by old dirt road to an abandoned home site. 350 Comment
  JEPS122728  Epilobium campestre Jake Ruygt 1992-7-4 3061 Napa Margin of Mitten Lake, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  CAS-BOT-BC166344  Epilobium canum subsp. canum Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  JEPS44032  Epilobium canum subsp. canum Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon Napa River Basin, St. Helena Comment
  CDA11335  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena; Alongside Highway 128. Comment
  HSC43908  Epilobium minutum Robert M. Specht 1977-5-15 882 Napa Ridges below Develhead Rd. 473 Comment
  SEINET215007  Epilobium minutum Darla Gettman 1974-4-13 4 Napa Wallace Hardin Ranch 3.9 miles northeast of Pope Canyon Road and Chiles Valley Road intersection. 244 Comment
  UC144088  Epilobium minutum J. P. Tracy 1902-5-16 1499 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD106906  Epilobium torreyi K. Esau; D. Hartmann 1941-7-17 s.n. Napa Near Middletown. Comment
  CAS-BOT-BC57894  Equisetum X ferrissii Peter H. Raven 1951-10-28 3922 Napa Yountville. 60 Comment
  JEPS129126  Equisetum arvense Jake Ruygt 2008-7-19 5359 Napa Eticuera Creek, south of Long Canyon. Knoxville 7.5' Quad. Comment
  JEPS120428  Equisetum hyemale Jake Ruygt 2007-4-21 5155 Napa Jameson Canyon at west end of narrow passage of highway. Comment
  UCD167087  Equisetum laevigatum Jake Ruygt 2010-4-25 5523 Napa Putah Creek near confluence with Hunting Creek. 179 Comment
  JEPS116561  Equisetum telmateia var. braunii Jake Ruygt 1991-4-17 2623 Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Rutherford 7.5' Quad. Comment
  UC1950194  Eragrostis hypnoides Barbara Ertter with Elizabeth Neese 1988-10-2 7972 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  CAS-BOT-BC204630  Eragrostis mexicana subsp. virescens Peter H. Raven 1951-10-28 3932 Napa Conn Lake, strand at w. end 152 Comment
  UCD116241  Eremalche parryi Eric S. Nagy 1990-4-29 005 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  UC87288  Ericameria arborescens T. S. Brandegee 1892-8-18 Napa Petrified Forest Comment
  CAS-BOT-BC293618  Erigeron biolettii L. R. Abrams 1916-7-2 5750 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC295442  Erigeron karvinskianus Peter H. Raven 1954-2-22 6398 Napa Along Main St., St. Helena 60 Comment
  CAS-BOT-BC216031  Eriodictyon californicum M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC216032  Eriodictyon californicum R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6672 a Napa 7 mi. NE of Pacific Union college (Howell Mt.) on road to Aetna Springs Comment
  RSA201835  Eriodictyon californicum Stephen Willeford 1964-5-1 4 Napa East side of State Highway 128, 3 miles southwest of Monticello Dam. 183 Comment
  UCD49087  Eriodictyon californicum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd., ca. 0.45 'as the crow flies' miles (2,400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  CAS-BOT-BC242605  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  JEPS120423  Eriogonum dasyanthemum Jake Ruygt 2010-8-24 5762 Napa Barton Hill, northwest shore of Lake Berryessa. Comment
  POM196472  Eriogonum dasyanthemum J. T. Howell 1927-8-23 3042 Napa Chiles Valley 213 Comment
  RSA491730  Eriogonum dasyanthemum James L. Reveal 1987-6-7 6404 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and South of Lake Berryessa. 244 Comment
  UCD99896  Eriogonum dasyanthemum Phyllis LuValle 1976-5-23 s.n. Napa soutehast side of Lake Berryessa. Comment
  CAS-BOT-BC266064  Eriogonum luteolum Alice Eastwood; John Thomas Howell 1939-6-11 7425 Napa Hood Mt. Range SW of Oakville Comment
  CAS-BOT-BC266066  Eriogonum luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  JEPS19662  Eriogonum luteolum W. L. Jepson 1934-10-16 16924 Napa above The Cave (Adam and Eve Ridge); Howell Mt., Adam and Eve Ridge Comment
  JEPS110760  Eriogonum luteolum var. luteolum Jake Ruygt 1992-8-31 3131 Napa Wild Horse Valley Ranch, north of Leoma Lakes 411 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
  UC534932  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Canyon Napa Mts., Sage Canyon Comment
  UC535081  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  UCD18119  Eriogonum luteolum var. luteolum K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 56 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  JEPS56170  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  JEPS56901  Eriogonum luteolum var. luteolum W. L. Jepson 1938-9-22 19016 Napa near Sanitarium (lower w slopes, Howell Mountain); Howell Mountain Comment
  LA206913  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 81 Napa Sage Canyon, Napa Mountains; edge of river bed Comment
  UCD149072  Eriogonum nervulosum G. Ledyard Stebbins 1985-6-17 C 534 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 Comment
  UC521699  Eriogonum nudum var. auriculatum Joseph Andorfer Ewan 1933-9-17 8001 Napa near Stevenson monument; Mt. St. Helena Comment
  UCD164788  Eriogonum nudum var. auriculatum Jake Ruygt 2004-6-26 4625 Napa Skyline Park near Sugarloaf Peak. 411 Comment
  CAS-BOT-BC124287  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  UC1198135  Eriogonum nudum var. nudum J. P. Tracy 1899-7-6 443 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  RSA393327  Eriogonum nudum var. nudum E. S. Spalding 1924-7-5 s.n. Napa Near St. Helena Comment
  SEINET3814250 Image available Eriogonum vimineum var. californicum Lewis S. Rose 1939-8-20 39357 Napa Chiles Creek Canoyn, 6 miles east of Rutherford. 213 Comment
  SEINET3386691 Image available Eriophyllum lanatum Lewis S. Rose 1934-5-23 34275 Napa N. Slope of Mt. St. Helena Comment
  UCD48640  Eriophyllum lanatum M. Eng; W. Wong, N. Wannlund, A Holman 2002-5-4 2 Napa Quail Ridge UC Reserve, northern top of ridge, N of intersection of West and East roads, on trailside, along lower road leading to power lines, 100 ft. W of lat./long. 335 Comment
  CAS-BOT-BC301051  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-2 5755 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC301052  Eriophyllum lanatum var. achilleoides L. R. Abrams 1928-5-4 12284 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC301055  Eriophyllum lanatum var. achilleoides H. M. Hall 1931-5-27 13097 Napa Near Knoxville Comment
  OBI54925  Eriophyllum lanatum var. achilleoides Kathleen Faustini 1980-5-5 23 Napa Rte 128 approx. 3 mi E of dam Comment
  RSA92291  Eriophyllum lanatum var. achilleoides F. W. Peirson 1928-7-4 7953 Napa Summit of Mt. St. Helena grade Comment
  UC1536864  Eriophyllum lanatum var. arachnoideum G. H. True Jr. 1937-6-21 737 Napa near Lokoya Lodge 365 Comment
  JEPS106526  Erodium botrys Jake Ruygt 1979-5-19 608 Napa Giles-Mead Ranch 481 Comment
  UCD117766  Erodium botrys Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. 386 Comment
  RSA128564  Erodium brachycarpum Peter H. Raven, G. Ledyard Stebbins 1953-4-19 5299 Napa Roadside in Suisun Valley just over Solano line. 76 Comment
  JEPS101784  Eryngium aristulatum var. aristulatum Dean W. Taylor 1999-7-20 17287 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  JEPS14257  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-6-6 15837 Napa 5 mi. n. Napa City; Napa Valley 30 Comment
  JEPS166  Eryngium aristulatum var. aristulatum W. L. Jepson 1893-4-27 14280 Napa Yountville Comment
  JEPS17418  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-9-25 14269 Napa Napa City rd. to Suscol House, within ca. 2 mi. of Suscol House, Lone Tree Farm Napa River Basin, Suscol Hills, Lone Tree Farm Comment
  JEPS17436  Eryngium aristulatum var. aristulatum Willis L. Jepson 1903-9-7 2352 Napa above St. Helena Reservoir; Napa River Basin Comment
  UC21008  Eryngium articulatum Willis L. Jepson 1894-5-3 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  UCD147457  Eryngium castrense Ellen Dean; Diana Hickson 2014-4-29 8070 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS2584 Image available Eryngium petiolatum W. L. Jepson 1893-9-25 14279 Napa Yountville Napa River Basin; Yountville, Napa River Basin Comment
  CAS-BOT-BC54306  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 2498 Napa 0.5 mile south of Knoxville. Comment
  RSA101849  Erysimum capitatum var. capitatum G. B. Rossbach, Ruth P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 mi NE of Napa. 488 Comment
  SD7044  Erythranthe guttata Brandegee Sept 1888 Napa Howell Mt. Comment
  CAS-BOT-BC133288  Erythronium helenae Elizabeth Wright 1927-3-27 s.n. Napa Mt. St. Helena Comment
  SEINET882372 Image available Erythronium helenae Elmer I. Applegate 1932-1 7037 Napa Volcanic crater region of Mount St. Helena. Comment
  UCD69385  Erythronium helenae R. B. Kimsey; L. S. Kimsey 1997-5-3 s.n. Napa A half mile west of Aetna Spring, on Sugar Loaf Mountain. Comment
  SEINET8359660  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens, northern Napa County; steep northerly slope just east of the Palisades on old stage road. Comment
  SEINET8397211  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens; steep northerly slope just east of the Palisades on old stage road. Comment
  CAS-BOT-BC402791  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402792  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402795  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6062 A Napa Wooden Valley Grade 5 miles east of Napa Comment
  CDA11189  Eschscholzia caespitosa G. F. Hrusa 1988-4-16 5537 Napa North Coast Biodiversity Arena; 3/4 mile along Knoxville -Berryessa Rd. from junction of Hwy 128. Comment
  UCD159938  Eschscholzia caespitosa Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS51731  Eschscholzia californica F. R. Mackenzie 1937-4-14 Napa Oakville Comment
  UC186886  Eschscholzia californica C. F. Sonne April, 1887 Napa Napa Valley Comment
  CAS-BOT-BC5900  Eschscholzia formosa Charles Fuller Baker 1903-4-20 2614 Napa Mount St. Helena Comment
  JEPS126043  Eucrypta chrysanthemifolia var. chrysanthemifolia Jake Ruygt 1989-4-8 2254 Napa About 1/2 mile south of Monticello Dam on Vaca Mount. Monticello Dam 7.5' Quad. Comment
  JEPS48860  Euphorbia crenulata Elsa Kraeger 1926-3-28 Napa 0.5 mi from Mt. St. Helena Hotel (near Russ House) Comment
  JEPS52404  Euphorbia peplus W. L. Jepson 1936-7-2 17638 Napa garden borders of Sanitarium Howell Mt. (Howell Mt.); vicinity of San Francisco Bay, Howell Mt. Comment
  UC527956  Euphorbia spathulata R. Bacigalupi, R. S. Ferris and Ira L. Wiggins 1933-6-2 6670 Napa 6 mi ne Pacific Union College (Howell Mt.) (on road to Aetna Springs) Comment
  UCD170155  Euphorbia spathulata Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 783 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 423 Comment
  UCD142488  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1218 Napa Along State Highway 128; 5.6 miles north of its junction with State Highway 37. Comment
  JEPS104523  Eurybia radulina Jake Ruygt 1996-6-24 3761 Napa Jamieson Vineyards, Jameson Canyon. 79 Comment
  UCD19924  Eurybia radulina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 779 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  HSC100738  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek, E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  JEPS106956  Euthamia occidentalis Jake Ruygt 1978-8-29 404 Napa .5 miles south of Hoffman Lane on Solano Avenue 22 Comment
  RSA755363  Euthamia occidentalis L. Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  SEINET3930505  Euthamia occidentalis David Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UC31888  Euthamia occidentalis Joseph Burtt Davy 1894-9-30 741 Napa Calistoga Valley Comment
  CAS-BOT-BC278273  Festuca californica A. G. Vestal 1963-4-7 58749 .1 Napa 3.9 miles north of St. Helena Comment
  HSC9846  Festuca californica C. B. Wolf 1928-5-3 1815 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS71213  Festuca californica W. L. Jepson 1936-7-3 17647 Napa Howell Mt. Comment
  UC766904  Festuca californica R. F. Hoover 1941-4-26 4940 Napa e side Mt. St. Helena Comment
  UCD75791  Festuca californica Ellen Dean; S. Rae 2008-5-21 4988 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 Comment
  UCD164759  Festuca elmeri Jake Ruygt 2014-6-9 5986 Napa Livermore Ranch, Bear valley. 623 Comment
  CAS-BOT-BC278835  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 487 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
  UCD36938  Festuca roemeri Beecher Crampton 1956-5-25 3458 Napa Vaca Mountains, head of Markley Canyon. Comment
  UCD66253  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  CAS-BOT-BC279008  Festuca rubra Peter H. Raven 1951-5-20 2837 Napa W. Oakville 91 Comment
  RSA132842  Filago californica John H. Thomas 1958-4-19 7110 Napa About 2 miles SW of Oakville. 152 Comment
  JEPS106960  Filago pyramidata var. pyramidata Jake Ruygt 1983-6-12 1489 Napa Mt. St. Helena 743 Comment
  UCD161338  Filago pyramidata var. pyramidata Jake Ruygt 1983-4-17 1430 Napa Napa County : Red Hill, Mt. St. Helena. (Coordinates estimated by label maker at UC Davis). 670 Comment
  CAS-BOT-BC454532  Fragaria vesca subsp. californica Alice Eastwood 1922-5-4 11249 Napa Calistoga Comment
  CAS-BOT-BC53528  Frangula californica subsp. tomentella H. E. McMinn 1922-6-8 200 Napa Pope Canyon 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
  POM128281  Fraxinus latifolia H. P. Chandler 1907-4-14 7514 Napa Near Napa River, N of St. Helena. Comment
  RSA107469  Fraxinus latifolia L. S. Rose 1955-9-26 55190 Napa Below Conn Lake, 4 mi NE of Rutherford. 61 Comment
  UCD116308  Fremontodendron californicum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  JEPS108034  Fremontodendron californicum subsp. californicum R. Raiche 1987-7-7 Napa Just S of Lake Co. line, S of Middleton, Hwy 29 at bridge 14.52 along St. Helena Creek. Comment
  POM258881  Fremontodendron californicum subsp. californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  UC618424  Fremontodendron californicum subsp. californicum John Thomas Howell 1939-5-7 14653 Napa nw of Knoxville (near head of Huntington Creek); near head of Huntington Creek Comment
  UC766016  Fremontodendron californicum subsp. californicum R. F. Hoover 1938-6-11 3600 Napa Knoxville Ridge Comment
  CAS-BOT-BC130077  Fritillaria affinis Mrs. Elizabeth Wright 1922-3-30 s.n. Napa Calistoga Comment
  RSA52736  Fritillaria affinis I. L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga - Middletown highway Comment
  CAS-BOT-BC506161  Fritillaria micrantha Loraine Hart; John Barry 1928-4-21 3626 Napa Mount Saint Helena beyond crater east of chamise lilies Comment
  JEPS113964  Fritillaria pluriflora Jake Ruygt 1994-3-5 3404 Napa Paradise Valley. Jericho Valley 7.5' Quad. Comment
  UC1096798  Fritillaria pluriflora Milo S. Baker 1940-3-10 9499 Napa about 5 mi n of Knoxville (right beside road to Lower Lake) Comment
  CAS-BOT-BC130486  Fritillaria purdyi Mrs. M. Ackley 1965-4-1 s.n. Napa Hills w. of Aetna Springs Comment
  CAS-BOT-BC130489  Fritillaria purdyi David D. Keck 1931-4-4 1091 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  UCSC010491  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  CAS-BOT-BC508190  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa N. end of Capell Valley above Capell Creek along State Hwy 128 Comment
  UCR24144  Fritillaria recurva var. coccinea John C. Roos 1939-3-3 301 Napa North Coast Range, Snell Valley, Angwin, Pacific Union College 549 Comment
  UCD110457  Galium Christopher Mallek 2008-1 KX2- 18 Napa Knoxville. 593 Comment
  OBI57145  Galium andrewsii David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24508 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  UCD118515  Galium andrewsii subsp. andrewsii Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD112244  Galium aparine Christopher Mallek 2008-5-12 AS2- 21 Napa Aetna Springs. 668 Comment
  UC127126  Galium bolanderi Harley P. Chandler Sep 7 1906-Sep 14 1906 7105 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC517526  Galium bolanderi John Thomas Howell 1929-8-4 4355 Napa slope 1 mi below Samuels Springs; Napa Range, Pope Creek Canyon Comment
  UCD49249  Galium boreale subsp. septentrionale L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 14 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 ft. S of the stream. 161 Comment
  UC1536781  Galium californicum subsp. californicum G. H. True 1937-6-21 738 Napa near Lokoya Lodge 365 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
  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
  UCD168559  Galium porrigens Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS6609  Galium porrigens var. porrigens Clara A. Hunt 1909-4-29 Napa St. Helena 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
  UCR45102  Galium pubens L. F. LaPre 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  CAS-BOT-BC199055  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  UCD18122  Garrya congdonii K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 59 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  SEINET8730403 Image available Garrya congdonii C. R. Bell 1952-1 1245 Napa To north of road 5.8 miles east of Pope Valley-Monticello road junction. 5 Comment
  UC21610  Garrya flavescens Willis L. Jepson 1893-5-2 Napa near Palisades (New Pope Valley grade); Napa River Basin Comment
  CAS-BOT-BC144383  Garrya fremontii H. E. McMinn 1923-5-25 961 a 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
  UC876025  Garrya fremontii Mrs. C. E. Miller Aug 1918 Napa Howell Mt. Comment
  UCD149573  Gastridium phleoides 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
  JEPS76096  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  CDA5309  Gaura lindheimeri E. P. Delfino 1953-6-1 Napa Yountville. 0 Comment
  CDA5299  Gaura sinuata R. Barrett 1955-7-14 Napa At Christian Brothers Winery, Mt. LaSalle. 0 Comment
  UCD83409  Geranium carolinianum Jake Ruygt 2009-4-25 5400 Napa Conn Valley Rd., ca. 1/3 mi E of Howell Mountain Rd. 115 Comment
  UCD18169  Geranium dissectum 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
  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
  JEPS85015  Geranium molle Larry Heckard and Mary Ashton 1969-5-3 2223 Napa 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd); Mead Ranch 457 Comment
  UCD23414  Geranium molle Rebecca L. Moehlmann 1977-4-16 21 Napa Small purple flowers, notched petal. Pubescence both leaf surfaces. Foothill woodland with blue oak, digger pine. East side of Highway 128, 6.4 miles by road SSW of Monticello Dam. Wragg Canyon. 182 Comment
  JEPS106750  Geranium purpureum Jake Ruygt 1976-5-14 75 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  UCD103474  Geranium purpureum Glen Holstein 1977-5-11 s.n. Napa Along State Highway 121, 0.7 mile north of intersection with Wooden Valley Road. Comment
  UCD68047  Gilia capitata Ryan M. Ross 1976-5-16 41 Napa On Road 121, approximately 6.8 miles South of Road 128. Found in chaparral plant association, on roadside embankment, on loamy clay soil, with partial sunlight. Flowers, corolla and anthers powder blue, calyx light green-white. 335 Comment
  JEPS110952  Gilia capitata subsp. capitata Jake Ruygt 1978-4-30 281 Napa .1 mile from end of Taplin Rd. 67 Comment
  UC914293  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7968 Napa wooded canyon ca 8 mi ne Vichy Springs (on Monticello Road, Mayacama Mountains); Mayacama Mountains, ne of Vichy Springs Comment
  UC914316  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7965 Napa w slope Mt. St. Helena Comment
  UCD49196  Gilia tricolor subsp. diffusa S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  UCD167224  Gilia tricolor subsp. diffusa Jake Ruygt 1986-4-12 1689 Napa Devil's Canyon. 536 Comment
  JEPS110996  Gilia tricolor subsp. tricolor Jake Ruygt 1993-4-12 3204 b Napa south of James Creek Road and Butts Cany on Road. 225 Comment
  JEPS106572  Githopsis specularioides Jake Ruygt 1982-4-25 1201 Napa Swartz Canyon below the falls 426 Comment
  JEPS112627  Glaux maritima Jake Ruygt 1981-7-20 1068 Napa Fagan's Marsh 1 Comment
  JEPS115689  Glinus lotoides Lowell 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 Winte 130 Comment
  UCD19936  Glinus lotoides E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 794 Napa Quail Ridge Reserve. Slough on N side of Decker Bay Trail, in a dried inlet of Lake Berryessa. 128 Comment
  JEPS107194  Glycyrrhiza lepidota Jake Ruygt 1980-6-7 924 Napa Hunting Creek near Morgan Valley 630 Comment
  CDA34653  Gnaphalium luteoalbum L. 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 southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS106907  Gnaphalium palustre Jake Ruygt 1986-5-19 1778 Napa Napa River south of Imola Ave., Napa 1 Comment
  UCD73518  Gnaphalium palustre Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC32015  Gnaphalium palustre Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs; Napa River Basin Comment
  JEPS1961 Image available Godetia amoena var. concolor W. L. Jepson 1893-5-2 13337 Napa New Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS110682  Gratiola ebracteata Jake Ruygt 1986-4-26 1732 Napa 4.5 miles north of Westgate Dr. on Atlas Park Rd. 446 Comment
  CAS-BOT-BC304883  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC304895  Grindelia hirsutula Alice Eastwood 1915-6-5 4628 Napa Calistoga Comment
  CAS-BOT-BC304904  Grindelia hirsutula Alice Eastwood 1918-9-3 7958 Napa Mt. St. Helena Comment
  CAS-BOT-BC304906  Grindelia hirsutula Peter H. Raven 1952-5-31 4130 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  CAS-BOT-BC304909  Grindelia hirsutula Peter H. Raven 1951-8-21 3870 Napa Ridge s.e. of Mt. Veeder 716 Comment
  SEINET3142904  Grindelia hirsutula M. P. Dunford 1959-10-3 555 Napa 2 mi. W of Chiles Valley; along Soda Creek Comment
  UC32140  Grindelia hirsutula Edw. L. Greene Napa St. Helena Comment
  UC472392  Grindelia hirsutula H. P. Chandler 1907-7-19 7604 Napa Howell Mt. Comment
  SEINET10925082 Image available Grindelia humilis f. pubescens John Thomas Howell 1932-10-8 Howell 10805 Napa Upper edge of tidal flat. Cuttings Wharf on Napa River, Napa Co. Comment
  JEPS106784  Guillenia lasiophylla Jake Ruygt 1989-3-30 2240 b Napa American Canyon, Avilla Ranch 54 Comment
  JEPS106824  Guillenia lasiophylla Jake Ruygt 1989-4-22 2282 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  CAS-BOT-BC202652  Gyminda tonduzii James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville Comment
  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
  CAS-BOT-BC302212  Harmonia hallii C. F. B. 1903-5-8 3079 Napa Knoxville Comment
  UCD170160  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 778 Napa Knoxville Wildlife Area, near top of ridge above and west of Berryessa-Knoxville Road 555 Comment
  UC177483  Harmonia hallii C. F. Baker 1902-5-8 3079 Napa Knoxville Comment
  CAS-BOT-BC302215  Harmonia nutans Joseph P. Tracy 1902-5-20 1565 Napa At Angwin Creek, on Howell Mt. road 457 Comment
  CAS-BOT-BC302241  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
  JEPS13616  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. Comment
  UC1245371  Harmonia nutans Joseph P. Tracy 1950-5-23 18663 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  UC185684  Harmonia nutans Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC905678  Harmonia nutans David D. Keck 1931-4-2 1027 Napa 5.5 mi ne Napa; west side of Napa Range, Wooden Valley Grade 200 Comment
  UC1321309  Helenium bigelovii R. F. Hoover 1966-8-23 9934 Napa near Lake Co. line; Butts Canyon Comment
  UCR212284  Helianthella californica Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  CAS-BOT-BC314719  Helianthella californica var. californica Paul F. Covel 1940-4-28 1703 Napa Grade near Sanatarium Comment
  UCD161319  Helianthella californica var. californica Jake Ruygt 1979-6-3 678 Napa Deer Park Road near Four Corners. (Coordinates estimated by label maker at UC Davis). 402 Comment
  UCD82596  Helianthella californica var. californica Ellen Dean; T. Starbuck 2009-5-4 5535 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC305532  Helianthus bolanderi John Thomas Howell 1933-8-27 11643 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  JEPS106669  Helianthus bolanderi Jake Ruygt 1991-8-5 2820 Napa Eticuera Creek north of Zim-Zim Creek 228 Comment
  UCD159470  Helianthus bolanderi D. S. Park 2010-8-13 224 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 234 Comment
  OBI74555  Helianthus bolanderi David J. Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill Comment
  RSA0020854  Helianthus bolanderi David J. Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  UC1177892  Heliotropium curassavicum Peter M. Ray 1950-6-9 1844 Napa ca. 25 mi. s. Lower Lake (rd. to Monticello) Comment
  UCD20738  Heliotropium europaeum Ellen Dean; w/ Mark Bibbo 2002-6-17 1102 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. By field station, in the middle of the parking lot. 384 Comment
  UCD161740  Heliotropium europaeum Jake Ruygt 1992-9-5 3143 Napa 0.15 mile south of Tubbs Lane on Myrtledale Road, Calistoga. 122 Comment
  CAS-BOT-BC305850  Helminthotheca echioides Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD160635  Hemizonella minima Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8727 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UCD160783  Hemizonia congesta Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8663 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  CAS-BOT-BC306148  Hemizonia congesta subsp. clevelandii Alice Eastwood 1918-9-3 7962 Napa Calistoga Comment
  UC990638  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-7 696 Napa roadside Calistoga 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
  JEPS106664  Hemizonia congesta subsp. lutescens Jake Ruygt 1996-9-7 3782 Napa Green Island Road about 1/2 mile from end of road. 2 Comment
  CAS-BOT-BC309834  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1926-11-28 1576 Napa American Canon [Canyon] between Napa highway and Cordelia Comment
  CAS-BOT-BC309836  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1932-9-17 10763 Napa 3 miles west of Napa Comment
  SEINET3930506  Hemizonia congesta subsp. luzulifolia David Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  CDA10967  Hemizonia congesta subsp. luzulifolia G. F. Hrusa 1988-9-4 5701 Napa North Coast Biodiversity Arena; Butts Canon, 10 m. SE of Middletown. Comment
  OBI74533  Hemizonia congesta subsp. luzulifolia David J. Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  UCD161309  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  CAS-BOT-BC388501  Herniaria hirsuta var. cinerea Peter H. Raven 1951-6-10 2911 Napa Crater Region e. of Mt. St. Helena 762 Comment
  UC175983  Hesperevax acaulis var. robustior Joseph P. Tracy 1903-5-22 1886 Napa on Eel River (Alder Point); Northern Coast Ranges, Alder Point 152 Comment
  CAS-BOT-BC310200  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1931-4-19 6439 Napa Conn Valley Comment
  SEINET7072773  Hesperevax sparsiflora var. sparsiflora A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road on the North Slope. UTM Zone 10, 548879mE, 4271447mN. Coordinate datum: NAD 27.) Comment
  JEPS29503  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1893-5-8 Napa below New Eden; Howell Mt. Comment
  UCD161602  Hesperevax sparsiflora var. sparsiflora Jake Ruygt 1998-6-24 4058 -b Napa Goslin Canyon, north of hunting camp. Comment
  JEPS49034  Hesperolinon W. L. Jepson 1936-7-3 17648 Napa La Brusca Howell Mt. Comment
  CAS-BOT-BC167421  Hesperolinon bicarpellatum Robert F. Hoover 1938-6-8 3539 Napa Canyon of s. fork of Butts Canyon Comment
  CAS-BOT-BC167422  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  CAS-BOT-BC167425  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  JEPS122785  Hesperolinon bicarpellatum Jake Ruygt 1998-7-6 4075 Napa Butts Canyon about 0.3 mile north of Snell Valley Road. QUAD: Aetna Springs. Comment
  RSA151812  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-1 4117 Napa Between Walter Springs and Samuel Springs above Pope Creek, Pope Valley-Monticello road 152 Comment
  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
  UC1212354  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa ridge between Butts Canyon and Pope Valley (on tributary of Pope Creek); Inner North Coast Ranges 274 Comment
  UC1212368  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-1 4117 Napa on Pope Valley-Monticello road between Walter Springs and Samuel Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UCR242395  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Hwy 128, on lands of Continuum Estate Winery, at end of private road near winery 427 Comment
  UCD167349  Hesperolinon bicarpellatum Jake Ruygt 2007-5-19 5187 Napa Las Posadas State Forest, north east of Recreation Flat. 402 Comment
  SD51691  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa Southeast slope below rock spire west of junction of state highways 37 and 128, south end Cappell Valley. 274 Comment
  UC1212214  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa se slope below rock spire west of junction of state highways 37 and 128 (s end of valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  JEPS112651  Hesperolinon californicum Jake Ruygt 1981-5-27 1045 Napa American Canyon, .3 miles east of Flosden Rd. 91 Comment
  JEPS122839  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 225 Napa In meadow above Shadhiliyya Sufi Center at Walter Springs (accessed via turnoff from Pope Canyon Road) Comment
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. Comment
  UC1212448  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa southern margin of valley near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 304 Comment
  UC1212450  Hesperolinon californicum Helen K. Sharsmith 1952-6-1 4115 Napa n slope above Soda Creek (ca 2 mi se of Chiles Valley); Inner North Coast Ranges 243 Comment
  UC1212453  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa slope of Conn Creek below Conn Dam (4.5 mi e of Rutherford); Inner North Coast Ranges, Sage Canyon 152 Comment
  UCD110496  Hesperolinon californicum P. Rodriguez 1997-5-31 s.n. Napa Lower Chiles Valley Road. 245 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
  UCD110499  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa Slopes of Sage Canyon, south side of Conn Dam. 76 Comment
  JEPS112587  Hesperolinon clevelandii Jake Ruygt 1992-6-22 3047 Napa northwest of vernal pool meadow, Wild Horse V. Ranch 463 Comment
  JEPS122782  Hesperolinon clevelandii Jake Ruygt 1997-5-18 3856 Napa Hogback Mountain. QUAD: Sonoma. Comment
  UC1601236  Hesperolinon clevelandii Helen K. Sharsmith 1957-5-30 4598 Napa w side of mountain 2.4 mi w Angwin; Inner North Coast Ranges, Howell Mountain 304 Comment
  UCD110504  Hesperolinon clevelandii P. Rodriguez-Rojo 1997-5-31 s.n. Napa Butts Canyon Rd. 285 Comment
  UCD160796  Hesperolinon disjunctum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8676 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD164756  Hesperolinon disjunctum Jake Ruygt 2014-5-24 5960 Napa Camp Berryessa, north of Pope Creek. 144 Comment
  CDA30785  Hesperolinon drymarioides V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS122777  Hesperolinon micranthum Jake Ruygt 1980-5-13 893 Napa Mt. St. John. QUAD: Rutherford Comment
  OBI12536  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa Inner North Coast ranges. Above Sage Crk 0.8 mi S of Chiles Valley 305 Comment
  JEPS32318  Hesperolinon micranthum W. L. Jepson 1934-10-16 16898 Napa betw. St. Helena sanitarium and Four Corners; Howell Mt. Comment
  UC1212412  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4594 Napa nw of Cappell Valley; Inner North Coast Ranges 243 Comment
  UC1601208  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4615 b Napa s side above road Conn Cam; Inner North Coast Ranges 121 Comment
  JEPS122791  Hesperolinon sharsmithiae Jake Ruygt 2009-6-20 5442 Napa Butts Canyon Road. QUAD: Aetna Springs. Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  JEPS123309  Hesperolinon sharsmithiae David Gowen 2009-6-18 1069 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  JEPS32290  Hesperolinon spergulinum W. L. Jepson 1893-6-26 14380 Napa Howell Mt. Comment
  JEPS32293  Hesperolinon spergulinum W. L. Jepson 1916-8-6 6828 Napa Howell Mt. 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
  UC192975  Hesperolinon spergulinum C. C. Parry 1881-1 99 Napa Calistoga Comment
  JEPS32289  Hesperolinon spergulinum W. L. Jepson 1894-7-19 13542 Napa grade up Mt. St. Helena from Calistoga ((at schoolhouse)) Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  JEPS11799  Heterocodon rariflorum Willis L. Jepson 1893-1 Napa grade below New Eden (Howell Mt); Napa River Basin, Howell Mt. Comment
  UC177051  Heterotheca oregona var. rudis B. 1888-8-1 Napa St. Helena Comment
  UC1999863  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake Co. line Comment
  JEPS101835  Hoita macrostachya Dean W. Taylor 1999-7-20 17290 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  POM158605  Hoita macrostachya C. C. Parry 1881-1 s.n. Napa Calistoga Comment
  UC1586044  Hoita macrostachya Barbara Ertter with Elizabeth Neese 1988-10-2 7959 Napa s side Rt 128 across from spillway (ca 15 air mi nnw); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  UCD105871  Hoita macrostachya K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  RSA517453  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. 152 Comment
  CAS-BOT-BC324653  Holocarpha virgata John Thomas Howell 1930-10-19 5609 Napa 2 miles southeast of Aetna Springs, Pope Valley Comment
  UCD38948  Holocarpha virgata Beecher Crampton 1961-9-19 5979 Napa 3 miles east of Moskowite Corner, State Hwy. 128. Comment
  RSA8543  Holocarpha virgata subsp. virgata J. T. Howell 1933-8-27 11644 Napa E of Chiles Valley on road to Winters, Napa Range. Comment
  CAS-BOT-BC315789  Holozonia filipes L. S. Rose 1927-5-28 s.n. Napa Napa Valley Comment
  UCD148837  Hordeum brachyantherum Ellen Dean; Diana Hickson 2014-4-29 8141 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  JEPS76119  Hordeum brachyantherum subsp. brachyantherum W. L. Jepson 1938-6-8 18893 Napa South Fork Butts Creek , Butts Canyon (Butts Canyon) 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
  UCD85513  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UCD85635  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Napa Calistoga. Myrtledale Hot Springs. Comment
  UC650397  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa roadside 1 1/2 mi ne Calistoga Comment
  UC73773  Hordeum murinum subsp. leporinum J. Burtt Davy Apr. 1902 Napa St. Helena Comment
  JEPS104554  Hydrocotyle ranunculoides Jake Ruygt 1991-7-20 2772 Napa L.Orville, Friesen's Lakes, Angwin 563 Comment
  JEPS66798  Hypericum concinnum Alice King July, 1919 Napa Mt. St. Helena, Van Ness ranch Comment
  CAS-BOT-BC410801  Hypericum concinnum H. E. McMinn 1922-6-8 168 Napa Mt Howell Summit Comment
  CAS-BOT-BC410802  Hypericum concinnum James L. Reveal 1987-6-7 6400 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles W of Pleasant Valley Road, about 7 miles NW of Vacaville 762 Comment
  POM212441  Hypericum concinnum Joseph A. Ewan 1933-9-17 8008 Napa Mt. St. Helena, near north summit Comment
  POM182754  Iris D. D. Keck 1931-4-2 1026 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  POM145272  Iris Simonds 1928-05 s.n. Napa Browns Valley. Comment
  CHSC58402  Iris fernaldii Karen Blom 1975-5-16 22 Napa 1 mile north of State Highway 121 on Knoxville Road. Comment
  UC896991  Iris fernaldii Milo S. Baker 1932-4-26 3955 Napa highway s Monticello Comment
  UCD14889  Iris fernaldii Olivia Shinomoto 1991-3-18 19 Napa along Highway 121, 7.7 miles south of the intersection with Highway 128; 365 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
  UCD160672  Iris macrosiphon Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8745 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  RSA170232  Isoetes nuttallii Joseph P. Tracy 1950-5-23 18659 Napa La Jota Plateau, on hills at head of Moore s Creek, 5 miles east of Angwin s, Howell Mountain. 518 Comment
  UC1239793  Isoetes nuttallii Joseph P. Tracy 1933-4-30 12113 Napa 3 - 4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt, La Jota Plateau 518 Comment
  CAS-BOT-BC340125  Jaumea carnosa Peter H. Raven 1951-9-9 3907 Napa Slaughterhouse Pt., Napa River 0 Comment
  JEPS58692  Juglans californica var. hindsii W. L. Jepson 1911-11-11 4762 Napa Mt. Atlas Napa Range Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 Comment
  UCD83861  Juncus balticus subsp. ater Ellen Dean; Stephen Rae 2010-3-15 5819 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCD149570  Juncus bufonius var. bufonius 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
  UCD166698  Juncus capitatus Jake Ruygt 20 May1992 2993 Napa southwest of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  JEPS126054  Juncus effusus subsp. pacificus Jake Ruygt 2010-6-21 5629 Napa Van Ness Creek at north entrance into Bear Valley. Detert Reservoir 7.5' Quad. Comment
  JEPS122656  Juncus ensifolius Jake Ruygt 1984-6-23 1575 Napa Livermore Road, west of ranchhouse. Quad: Detert Reservoir. Comment
  UCD147527  Juncus hemiendytus var. hemiendytus Ellen Dean; Diana Hickson 2014-4-29 8082 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS122660  Juncus kelloggii Jake Ruygt 1998-6-20 4041 Napa On Palisades trail from RLSSP, east of Table Rock. Quad: Detert Reservoir. Comment
  UC14893  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga 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
  UCD95686  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7031 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UC1103058  Juncus oxymeris Joseph P. Tracy 1899-6-11 351 Napa 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Head of Moores Creek 365 Comment
  JEPS122662  Juncus patens Jake Ruygt 1990-5-16 2553 Napa Silverado Trail about 1/2 mile north of Sage Canyon Road. Quad: Rutherford. Comment
  UCD121184  Juncus patens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7361 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. Recreation Flat. 392 Comment
  RSA517031  Juncus patens W. L. Jepson 1936-6-1 17577 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  JEPS122665  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1982-5-4 1224 Napa Suscol plain, between Kaiser and Highway 29 (Rocktram). Quad: Napa. Comment
  UCD167053  Juncus xiphioides Jake Ruygt 1991-7-20 2794 Napa 3.2 miles north of Pope Canyon Road on Berryessa- Knoxville Road. 118 Comment
  UCD133720  Juniperus californica Robert E. Preston 1987-6-16 563 A Napa CA: Napa Co.: On and near the margins of a dry streambed, ca. 1.5 mi SE of Big Basin. 243 Comment
  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
  JEPS110685  Keckiella breviflora var. glabrisepala Jake Ruygt 1987-6-14 2049 Napa Pope Creek at inflow to Lake Berryessa 149 Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  CHSC102284  Kickxia elatine Lowell Ahart 2009-10-12 16450 Napa Below the high water line of Lake Berryessa, along Capelll Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS11337  Kickxia elatine W. L. Jepson 1930-10-19 15684 Napa mouth of Sage Canyon (in Conn Creek bed); Napa Valley, Conn Creek 45 Comment
  UC1178880  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 mi n Calistoga (bed of Napa River); Napa River Comment
  UC1714642  Kickxia spuria Ethel Crum 1931-12-6 1310 Napa 5 mi e Rutherford (Conn Creek); Napa Valley, Conn Creek Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  UCD169865  Koeleria macrantha Daniel Potter; Peter Lash 2015-4-26 800 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UCD85736  Koeleria macrantha Beecher Crampton 1956-5-25 3460 Napa Vaca Mountains, head of Markley Canyon. Comment
  CAS-BOT-BC499634  Kopsiopsis strobilacea Dan Axelrod 1929-6-29 s.n. Napa Lokoya Comment
  CAS-BOT-BC502601  Kopsiopsis strobilacea Greg de Nevers 1992-5-17 10152 Napa Mount Veeder, 3475 Mt. Veeder Rd. 304 Comment
  SEINET1782109  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
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Nov 25 2013
  SEINET7545154  Lagophylla dichotoma subsp. minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just S of Walters Spring Comment
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Mar 3 2018
  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
  SBBG36845  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa bridge over Pope Crk, just S of Walters Spring; ISOTYPE: L. dichotoma subsp. minor Comment
  UC584198  Lagophylla minor J. Clausen 1935-5-22 1069 Napa ca i mi e Chiles Valley Store Comment
  CAS-BOT-BC341560  Lagophylla ramosissima H. M. Hall 1931-5-26 13093 Napa 9.6 miles north of Monticello Comment
  JEPS19934  Lagophylla ramosissima Willis L. Jepson 1894-7-19 Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS106651  Lagophylla ramosissima subsp. ramosissima Jake Ruygt 1992-6-24 3053 Napa Tuteur Ranch, end of Green Valley Rd. 274 Comment
  JEPS110795  Lamium amplexicaule Jake Ruygt 1977-3-1 133 Napa .3 miles north of Oak Knoll Ave. on Big Ranch Rd. 21 Comment
  UC483305  Lamium amplexicaule Ira L. Wiggins 1932-3-12 5749 Napa 1 mi n Calistoga Comment
  CAS-BOT-BC338269  Lasthenia californica Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  CAS-BOT-BC338274  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  CAS-BOT-BC338264  Lasthenia californica Ella Dales Cantelow 1939-4-8 2497 Napa About 4 1/2 mi. s.w. of Pacific Union College, Howell Mt. Comment
  CAS-BOT-BC338266  Lasthenia californica John Thomas Howell 1926-3-21 1741 Napa Near Palisade Mine, n. Napa Valley Comment
  UC166225  Lasthenia californica subsp. californica Joseph P. Tracy 1903-5-18 1860 Napa alkaline flats at Calistoga Hot Springs; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS106673  Lasthenia conjugens Jake Ruygt 1991-5-4 2635 z Napa Suscol Ridge Comment
  RSA202278  Lasthenia conjugens Robert Ornduff 1960-4-26 R. O. 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon Road. Comment
  UCD63160  Lasthenia glaberrima Jake Ruygt 1993-4-18 3211 Napa west of west end of Rio DelMar Drive, American Canyon. 2 Comment
  CAS-BOT-BC355483  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  POM118233  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 311 Napa Napa Valley, near Calistoga. 90 Comment
  JEPS35411  Lasthenia glabrata subsp. glabrata W. L. Jepson 1915-4-23 6260 Napa Conn Valley Comment
  RSA0018558  Lathyrus Keith E. Hoffmaster 1946-3-23 1086 Napa Napa range, along Napa-Monticello road Comment
  UCD75721  Lathyrus hirsutus Jake Ruygt 1992-5-18 2982 Napa Yountville Ecological Reserve, Yountville Cross Rd. 27 Comment
  JEPS107199  Lathyrus jepsonii subsp. californicus Jake Ruygt 1990-5-28 2567 Napa end of Tamalpias St.,Napa 15 Comment
  UCD75720  Lathyrus odoratus Jake Ruygt 1983-4-30 1448 Napa 0.1 mile east of Hwy. 29 on Jameson Canyon Rd. 22 Comment
  CDA11433  Lathyrus torreyi G. F. Hrusa, M. Tu 1995-5-6 12156 Napa North Coast Biodiversity Arena; along Moores Creek in Las Posadas State Forest. Comment
  SEINET956311  Lathyrus vestitus Paul C. Hutchison 1963-1 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UC650499  Lathyrus vestitus var. vestitus Ira L. Wiggins 1928-3-25 2884 Napa 1.5 mi ne Calistoga Comment
  UCD48893  Lathyrus vestitus var. vestitus C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, approx. 260' W of jct with West Rd., S side of trail, approx. 10' from trail. 152 Comment
  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
  JEPS39100  Layia chrysanthemoides W. L. Jepson 1915-4-23 6257 Napa Conn Valley Napa Range, Conn Valley Comment
  CAS-BOT-BC323190  Layia chrysanthemoides John Thomas Howell 1926-3-27 1754 Napa Soscol Comment
  CAS-BOT-BC323197  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  CAS-BOT-BC321717  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  CAS-BOT-BC329303  Layia septentrionalis John Thomas Howell 1940-5-19 15458 Napa Upper St. Helena Creek Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS39206  Layia septentrionalis Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS34473  Lemna minuscula L. R. Heckard 1964-5-23 1362 Napa about 2 mi sw of Aetna Springs (Cleary Reserve (Nature Conservancy)); Cleary Reserve (Nature Conservancy) 365 Comment
  UC1543040  Lemna trisulca Donald G. Nelson 1936-4-1 346 Napa Green Valley Falls Comment
  JEPS110792  Lepechinia calycina Jake Ruygt 1992-5-15 2968 Napa Wild Horse Valley Ranch, west of road north of polo field 499 Comment
  UCD50232  Lepidium draba S. Nichol 2004-4-1 s.n. Napa east of intersections 121 and 128. 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
  CAS-BOT-BC12926  Lepidium strictum A. A. Heller; H. E. Brown 1902-4-25 5363 Napa Near Napa. Comment
  CAS-BOT-BC12927  Lepidium strictum Peter H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  UC10599  Lepidium strictum Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  POM94072  Lepidium strictum A. A. Heller, H. E. Brown 1902-4-25 5363 Napa Near Napa Comment
  RSA292919  Leptosiphon acicularis Reino Alava 1957-5-30 975 Napa Napa-Solano county line; Route 128 Comment
  CHSC42327  Leptosiphon androsaceus L. Constance 1938-4-22 2133 Napa Above Dry Creek 2 mi. W. of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  UCD118593  Leptosiphon androsaceus G. L. Stebbins 1983-5-8 C 3115 Napa Chiles Valley area. Comment
  UCD118586  Leptosiphon androsaceus G. F. Hrusa 1992-4-15 10379 Napa along Highway 128, approximately 2 m. north of Knoxville-Berryessa Road. Comment
  UCD118591  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 61025 Napa 1 mile north of Conn Reservoir, Lake Hennessy. 152 Comment
  UCD167230  Leptosiphon androsaceus Jake Ruygt 1995-4-24 3439 Napa 1.6 miles south of Lake Hennessey on road to Taylor/ Chapallet. 402 Comment
  UCD49212  Leptosiphon bicolor Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 167 Comment
  UCD164865  Leptosiphon bolanderi Jake Ruygt 2012-4-21 5829 Napa Crystal Flats, west of Putah Creek. 216 Comment
  UCD167231  Leptosiphon bolanderi Jake Ruygt 2003-3-31 4486 Napa South of historic Knoxville on ridge to west. 445 Comment
  CAS-BOT-BC226694  Leptosiphon jepsonii John Thomas Howell 1926-3-21 1735 Napa Mt. St. Helena, 2 miles below Patten's Comment
  UCD103881  Leptosiphon jepsonii Joel Smith 2011-6-16 s.n. Napa Wantrup Road Wildlife Sanctuary, on primary road, 1.3 km W of Hardin Rd. and 60 m N of a vernal pool. 256 Comment
  UCD167233  Leptosiphon latisectus Jake Ruygt 2008-4-19 5294 Napa Cadlestick Ridge, Wildlake Ranch. 675 Comment
  HSC17075  Leptosiphon parviflorus C. B. Wolf 1928-5-3 1792 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UCD49218  Leptosiphon parviflorus S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 32 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
  UCD161259  Lessingia hololeuca Jake Ruygt 1982-8-11 1382 Napa Tubbs Lane at Myrtledale Rd., Calistoga. (Coordinates estimated by label maker at UC Davis). 121 Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  JEPS43232  Lewisia rediviva Pearl Lutzi May 1916 Napa High Rocks on the road to Oat Hill Mine; Calistoga Comment
  JEPS104543  Ligusticum apiifolium Jake Ruygt 1987-7-5 2061 Napa Bothe State Park, Ritchie Creek 128 Comment
  UC1103518  Lilaea scilloides J. P. Tracy 1903-5-16 1850 Napa near Calistoga; San Francisco Bay Region 91 Comment
  CAS-BOT-BC451587  Lilaea scilloides Peter H. Raven 1953-5-2 5364 Napa East of Yountville 76 Comment
  JEPS113969  Lilium rubescens Jake Ruygt 1990-6-23 2596 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCD116464  Limnanthes alba subsp. alba K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  POM137445  Limnanthes douglasii subsp. douglasii C. F. Baker 1903-4-19 1991 Napa Calistoga. Comment
  SEINET5585702  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-1 8757 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of its junction with the Lower Chiles Valley Road. 230 Comment
  CDA13212  Limnanthes floccosa subsp. floccosa G. F. Hrusa, M. J. Geitner 1996-4-2 12826 a Napa North Coast Biodiversity Arena; Summit of Palisades in Cub Valley. Monte Sol Ranch. Comment
  JEPS110643  Limosella acaulis Jake Ruygt 1979-4-12 505 Napa .2 miles west of Soscol Ave on Imola Ave 4 Comment
  SEINET11262762  Linanthus acicularis Peter H. Raven 1951-4-8 2766 Napa Yountville to Rutherford.; 0 76 Comment
  JEPS58155  Linanthus androsaceus E. V. Ferguson 1920-5-15 352 Napa Howell Mt. Comment
  JEPS58160  Linanthus androsaceus W. L. Jepson 1892-3-25 20904 Napa Signal sta., Vaca Mts (w crest) Vaca Mts. Comment
  JEPS110966  Linanthus bicolor Jake Ruygt 1996-4-13 3611 Napa Snell Valley Road at Stagecoach Canyon Road 179 Comment
  UC1198534  Linanthus dichotomus J. P. Tracy 1902-5-14 1440 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC54903  Linanthus dichotomus E. M. Smith 1903-4-27 Napa Dry Creek Napa River Basin Comment
  UC52757  Linanthus dichotomus J. P. Tracy 1899-6-14 431 Napa Howell Mt. Comment
  POM65868  Linanthus dichotomus subsp. meridianus C. F. Baker 1903-4-30 2627 Napa [Near] St. Helena. Comment
  SEINET8729335 Image available Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-1 12540 Napa Eight miles south of Pope Valley Store Comment
  JEPS58098  Linanthus latisectus W. L. Jepson 1897-5-2 20940 Napa sw of Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  UC1763996  Linanthus latisectus Douglas W. Schemske 1993-4-25 1 I Napa on Aetna Springs Road, 2.9 mi W of intersetion with Butts Canyon Road Comment
  UC23784  Linanthus parviflorus Willis L. Jepson 1893-1 Napa Knights Valley road from Calistoga; Napa River Basin Comment
  UCD18371  Linum bienne R. Wenk 2000-5-14 7 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  JEPS37746  Lithocarpus densiflorus W. L. Jepson 1903-9-6 Napa St. Helena Comment
  CDA14298  Lithocarpus densiflorus var. densiflorus G. F. Hrusa 1989-4-29 6045 A Napa North Coast Biodiversity Arena; N side of Mt. St. Helena on Ida Clayton Rd. Comment
  JEPS110623  Lithophragma affine Jake Ruygt 1997-4-5 3824 Napa South of intersection of Butts Canyon Rd with James Creek Rd 207 Comment
  UCD83725  Lithophragma affine Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 4 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 Comment
  CAS-BOT-BC342249  Logfia filaginoides M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC342246  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 miles from Calistoga Comment
  JEPS33574  Logfia gallica W. L. Jepson 1944-5-21 27525 Napa fields 7 mi n Napa (e side of Napa Valley); Napa Valley Comment
  UCD149719  Logfia gallica Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD73448  Logfia gallica 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
  UC1132201  Lolium multiflorum J. B. Spring 1932-6-7 70 Napa head of Carneros Creek; Napa Quadrangle, head of Carneros Creek Comment
  UCD18012  Lolium multiflorum Ellen Dean; with Plant Biology 102 class 2001-4-28 744 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  UCD66221  Lolium multiflorum Beecher Crampton 1956-5-25 3490 Napa Sarco Creek Canyon. Comment
  SEINET13944733 Image available Lomatium Joseph Andorfer Ewan 1934-1 8836 Napa Local on bank alone creek bed. Steel Canyon 8 m. s. of Monticello. Comment
  UCD149669  Lomatium californicum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  POM133390  Lomatium californicum C. F. Baker 1903-4-20 2602 Napa Mt. St. Helena. Comment
  RSA10651  Lomatium californicum C. B. Wolf 1928-5-3 1838 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  SBBG5199  Lomatium californicum H. and M. Dearing 1939-5-1 3243 Napa Spring Mtn Grade, Comment
  SBBG59694  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  CDA11900  Lomatium dasycarpum G. F. Hrusa, G. L. Stebbins 1994-4-8 11720 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UCD63183  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Rd. 286 Comment
  LA202888  Lomatium hooveri Mildred E. Mathias; 1937-5-23 1298 Napa 1.9 mi. SE of Napa-Lake County line on road to Knoxville Comment
  UCD170163  Lomatium hooveri Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 776 Napa Knoxville Wildlife Area, chaparral above and west of Berryessa-Knoxville Road 473 Comment
  UCD164747  Lomatium macrocarpum Jake Ruygt 2014-6-9 5984 Napa Livermore Ranch, Bear Valley. 621 Comment
  POM132573  Lomatium marginatum C. F. Baker 1903-5-8 2971 Napa Knoxville. Comment
  SBBG5213  Lomatium nudicaule H. and M. Dearing 1939-5-1 3252 Napa Spring Mtn Grade Comment
  RSA42338  Lomatium repostum Lincoln Constance, Davidson, Wagner, Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  CDA11321  Lomatium utriculatum G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12027 Napa at entrance gate, UC Quail Ridge Reserve Comment
  UCD148803  Lomatium utriculatum Ellen Dean; Diana Hickson 2014-4-29 8110 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  UCD170217  Lomatium utriculatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 740 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  UCD47867  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 25 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  SEINET196261  Lomatium utriculatum Mildred E. Mathais 1937-5-23 1283 Napa Along highway 29 Mount St. Helena Comment
  UC796660  Lomatium utriculatum Ira L. Wiggins 1949-4-30 12081 Napa 2 1/2 mi. above Calistoga (along old toll rd. to Middletown) Comment
  POM132617  Lomatium vaginatum C. F. Baker 1903-4-20 2621 Napa Mt. St. Helena Comment
  UCD148801  Lonicera Ellen Dean; Diana Hickson 2014-4-29 8108 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  JEPS12842  Lonicera hispidula var. vacillans Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Napa Range Comment
  JEPS12818  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin Comment
  UC28534  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin 853 Comment
  UCD137355  Lonicera interrupta K. Esau 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  HSC43986  Lotus humistratus Robert M. Specht 1977-4-19 691 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS55525  Lotus humistratus A. M. Ottley 1921-5-6 1338 Napa between Santa Rosa and Calistoga; Hoods Peak Range Comment
  SEINET7073050  Lotus purshianus A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  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
  CDA10890  Lotus wrangelianus G. F. Hrusa, M. Rejmanek 1993-5-15 10985 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD65967  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 107 -LU Napa Roadside drain along Solano Ave west of Hwy 29 between Vinters Golf Club and Hoffman Lane crossing, Yountville, CA. 23 Comment
  UC15756  Lupinus affinis Willis L. Jepson 1893-4-26 Napa Oakville; Napa River Basin, Oakville Comment
  UCD105922  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD162090  Lupinus albifrons Dylan O. Burge 2014-3-15 1487 Napa Mount Saint Helena. 850 Comment
  RSA699737  Lupinus bicolor Keith E. Hoffmaster 1946-3-23 1089 Napa Napa range, along Napa-Monticello road Comment
  UCD161306  Lupinus bicolor Jake Ruygt 1979-4-6 480 Napa 0.3 miles east of Butts Canyon Road on Snell Valley Road. (Coordinates estimated by label maker at UC Davis). 188 Comment
  UC1300888  Lupinus bicolor Helen K. Sharsmith 1963-4-20 5330 Napa off Kelly Road 4 mi s Napa; San Francisco Bay Region, s of Napa 45 Comment
  OBI25607  Lupinus chamissonis R. L. Hoover 1968-4-11 20 Napa One block W of hwy 1 on Palm Ave, Marina Comment
  POM181011  Lupinus densiflorus var. aureus Alice Eastwood 1930-4-13 17932 Napa Canyon between Monticello and Pope Valley. Comment
  POM181010  Lupinus densiflorus var. densiflorus Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley. Comment
  JEPS107228  Lupinus formosus var. formosus Jake Ruygt 1997-4-18 3831 Napa Greenfield Road (Dean property). 237 Comment
  UC1543152  Lupinus latifolius Charlotte G. Nast 1936-3-27 82 Napa Childs Canyon Comment
  RSA10670  Lupinus latifolius subsp. latifolius Carl B. Wolf 1928-5-3 1819 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS107223  Lupinus luteolus Jake Ruygt 1987-6-27 2057 Napa Berryessa-Knoxville Rd. near Lake Co. line, Morgan Valley 627 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
  OBI48331  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
  RSA659035  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1419 Napa Ca 1218 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Rd. Comment
  UC1601852  Lupinus microcarpus var. densiflorus Willis L. Jepson 1894-5-1 Napa Conn Valley; Napa River Basin, Conn Valley Comment
  UCD160781  Lupinus microcarpus var. densiflorus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8661 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 552 Comment
  UCD47990  Lupinus microcarpus var. microcarpus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-29 19 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  JEPS107248  Lupinus nanus Jake Ruygt 1981-4-1 965 a Napa Stags Leap 213 Comment
  SEINET11548759  Lupinus nanus Heather Schneider, Sharma, Manju 2015-1 621- 20150426 -1V Napa Quail Ridge Reserve; about 6 miles NE of Vacaville 226 Comment
  UCD109074  Lupinus nanus G. F. Hrusa 1995-3-26 12026 Napa Univ. of Calif. - Quail Ridge Reserve. 290 Comment
  UCD109263  Lupinus nanus M. Wiesendanger 1927-5-4 672 Napa Near Monticello. Comment
  JEPS85043  Lupinus nanus Larry Heckard, Mary Ashton 1969-5-3 2191 Napa 7 mi ne of Napa (Mead Ranch, off Atlas Peak Road); Mead Ranch 457 Comment
  SEINET8056980  Lupinus nanus K. Suhr 1967-3-24 s.n. Napa Steele Park Resort, south shore of Lake Berryessa. Comment
  UCD109255  Lupinus nanus J. M. Tucker; Charles Lamoureux, June McCaskill 1957-4-7 3289 Napa beside 'Silverado Trail', ca. 7.5 miles north of St. Helena, east side of Napa Valley. Comment
  UCD167065  Lupinus nanus Jake Ruygt 2001-4-16 4306 Napa Big Ranch Road (Van Winden property). 16 Comment
  UCD35293  Lupinus nanus Beecher Crampton 1955-4-7 2431 Napa 7.8 miles north of Monticello. Comment
  RSA169364  Lupinus nanus subsp. nanus L. S. Rose 1964-4-2 64014 Napa St. Helena 76 Comment
  CAS-BOT-BC202224  Lupinus sericatus Charles Piper Smith 1947-6-19 47525 Napa Highway 29, Mt. St. Helena (Calistoga, 9.8 miles north) Comment
  CAS-BOT-BC202226  Lupinus sericatus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6666 Napa 3 mi. N. of Pacific Union College (Howell Mt.) on road to Aetna Springs Comment
  CAS-BOT-BC202229  Lupinus sericatus Alice Eastwood 1915-6-6 4668 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
  JEPS107243  Lupinus succulentus Jake Ruygt 1982-5-8 1227 Napa American Canyon .7 miles east of Flosden Road 54 Comment
  UCD18164  Lupinus succulentus 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
  RSA699930  Luzula campestris Keith E. Hoffmaster 1946-3-23 1080 Napa Napa range, near summit of Napa-Monticello road. Comment
  JEPS126059  Luzula comosa var. comosa Jake Ruygt 2010-6-21 5643 Napa Van Ness Canyon near Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UCD167050  Luzula comosa var. comosa Jake Ruygt 1990-4-28 2512 Napa Bear Valley. 615 Comment
  CAS-BOT-BC343828  Madia elegans Peter H. Raven 1951-8-19 3853 Napa Near Lokoya 487 Comment
  UCD135709  Madia elegans Bruce G. Baldwin 1986-8-23 623 Napa 0.4 mile west of summit of California State Highway 29 at Robert Louis Stevenson State Park (ca. 0.1 mile west of park boundary). Comment
  UCD63156  Madia elegans Jake Ruygt 1987-7-11 2069 Napa Robert Louis Stevenson State Park near HWY 29. 694 Comment
  POM285001  Madia elegans subsp. elegans Lyman Benson 1933-8-23 5686 Napa Mt. St. Helena, Mayacamas mountain range, Napa Valley watershed 305 Comment
  JEPS106546  Madia exigua Jake Ruygt 1982-5-15 1258 Napa Stags Leap-Soda Canyon 426 Comment
  UC165024  Madia exigua J. P. Tracy 1902-5-16 1492 Napa 3 to 4 mi e Angwins (Head of Moores Creek); Howell Mountain 457 Comment
  UCD21540  Madia exigua B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 5 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  CAS-BOT-BC344445  Madia exigua David D. Keck 1933-5-28 2327 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  JEPS40218  Madia gracilis W. L. Jepson 1893-5-8 Napa New Eden Howell Mt. Comment
  UCD18101  Madia gracilis Ellen Dean; with PLB 102 class 2000-4-29 757 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
  UCD48577  Madia gracilis Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  CAS-BOT-BC343203  Madia gracilis H. M. Hall 1931-5-26 13091 Napa Napa Range, east slope near summit 335 Comment
  RSA52718  Madia gracilis subsp. gracilis I. L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  POM298345  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  JEPS106678  Madia sativa Jake Ruygt 1990-5-11 2536 c Napa Green Island Road at first bend 3 Comment
  CAS-BOT-BC345047  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  CAS-BOT-BC345053  Madia sativa H. E. Brown; A. A. Heller 1902-5-24 5683 Napa Napa Comment
  UCD161758  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Highway 29 near Paoli Loop Road, American Canyon. 19 Comment
  UCD20030  Maianthemum stellatum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1208 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  UCD167282  Malacothamnus fremontii Jake Ruygt 1998-6-24 4059 Napa Goslin Canyon, south of hunting camp. 192 Comment
  UCD18068  Malacothrix floccifera Ellen Dean; with Plant Biology 102 class 2000-4-22 623 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
  UCD18099  Malacothrix floccifera Ellen Dean; with PLB 102 class 2000-4-29 755 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
  UC194452  Malacothrix floccifera C. F. Sonne 1897-4-1 Napa Sulphur Springs St. Helena Comment
  JEPS122723  Malvella leprosa Jake Ruygt 1992-9-5 3147 Napa Highway 29 at intersection with Highway 12. Quad: Cuttings Wharf. Comment
  JEPS106388  Marah fabacea Jake Ruygt 1986-3-22 1667 Napa Vaca Mountains east of Markley Cove 316 Comment
  UCD170737  Marah fabacea 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD81822  Marah fabacea Ellen Dean 2009-4-24 5449 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC979351  Marah oregana Roxana S. Ferris 1951-3-26 12420 Napa about 2 mi from Oakville (Oakville-Glen Ellen Road) Comment
  UCD170349  Marah watsonii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 848 Napa Knoxville Wildlife Area, along Nevada Creek. 459 Comment
  JEPS120398  Marah watsonii Jake Ruygt 1982-3-16 1128 Napa Capell Valley north of Monticello Road Comment
  JEPS129146  Marrubium vulgare Jake Ruygt 1978-5-4 287 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. Comment
  UCR23895  Medicago arabica John C. Roos 1939-5-2 292 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCD18036  Medicago polymorpha Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 587 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 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
  JEPS126123  Medicago praecox Jake Ruygt 2010-4-24 5518 Napa Pope Canyon Road, just west o road summit. Walter Springs 7.5' Qua. Comment
  UCD112047  Melica Christopher Mallek 2008-5-12 AS2- 19 Napa Aetna Springs. 668 Comment
  HSC43991  Melica californica Robert M. Specht 1977-4-19 686 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS122951  Melica californica Jake Ruygt 1984-5-3 1540 Napa Bell Canyon. Quad: Saint Helena. Comment
  JEPS69300  Melica californica W. L. Jepson 1915-4-23 6248 Napa Conn Valley Comment
  UC187220  Melica californica J. P. Tracy 1902-5-21 1579 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 457 Comment
  UC767182  Melica californica R. F. Hoover 1941-5-10 499 Napa between St. Helena and Calistoga Comment
  UCD160734  Melica californica Ellen Dean 2015-5-23 8786 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD87231  Melica californica R. Tofsrud 1950-4-24 s.n. Napa 3 mi. S of Monticello. Comment
  SEINET196999 Image available Melica californica var. californica W. S. Boyle 1942-4-26 1071 Napa 10 mi N of Napa on Silvarado Trail Rd Comment
  UC771217  Melica geyeri W. S. Boyle 1942-4-25 1072 Napa 7 mi s Calistoga (along the Silverado Trail Road) Comment
  CAS-BOT-BC264211  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CAS-BOT-BC264212  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CDA12102  Melica torreyana G. F. Hrusa 1989-4-24 5961 Napa North Coast Biodiversity Arena; W side of upper Chiles Valley. Comment
  POM182711  Melica torreyana D. D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD112236  Melica torreyana Christopher Mallek 2008-5-12 AS2- 16 Napa Aetna Springs. 668 Comment
  UCD149633  Melica torreyana G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD149682  Melica torreyana Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  JEPS112575  Mentha pulegium Jake Ruygt 1969-12-31 420 Napa Napa River north of Trancas St. 4 Comment
  JEPS115773  Mentha pulegium Lowell Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS112572  Mentzelia dispersa Jake Ruygt 1989-5-20 2337 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 822 Comment
  JEPS42847  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1930-10-19 15685 Napa Napa Valley Comment
  JEPS122695  Mesembryanthemum nodiflorum Jake Ruygt 1996-9-9 3783 Napa About 1/4 mile from west end of Green Island Road. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC428852  Micranthes californica Peter H. Raven 1953-4-2 5295 Napa Tulucay Creek 243 Comment
  CAS-BOT-BC322616  Micropus amphibolus John H. Thomas 1959-4-19 7111 Napa About 2 miles SW of Oakville 152 Comment
  UCD121166  Micropus californicus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7352 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. Recreation Flat area. Valley. 392 Comment
  CAS-BOT-BC348543  Micropus californicus var. californicus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6656 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  JEPS106897  Micropus californicus var. californicus Jake Ruygt 1979-4-21 533 Napa east of east end Westgate Dr.,Napa 121 Comment
  SEINET205166  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek ca .5 mi W of Devilhead Rd ca 3 mi SSW of Knoxville Comment
  UC164800  Micropus californicus var. californicus J. P. Tracy 1902-5-15 1441 Napa 3-4 mi e Angwin's; head of Moore's Creek 365 Comment
  CAS-BOT-BC348964  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-21 5163 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  CAS-BOT-BC348966  Microseris douglasii subsp. douglasii M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UC50033  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  CAS-BOT-BC349184  Microseris elegans David D. Keck 1931-4-4 1093 Napa Geysers just NW. of Calistoga, northwestern Napa County Comment
  UC84379  Microseris laciniata subsp. laciniata Alice Eastwood 1900-5-6 Napa near Calistoga Comment
  POM363453  Microseris lindleyi J. T. Howell 1931-4-19 6452 Napa Conn Valley. Comment
  JEPS86873  Mimulus angustatus David M. Thompson 1988-4-3 865 Napa +/- 2 air mi se Angwin (1.1 road mi e of Howell Mt. Road via Cold Springs and Las Posadas roads, then over fence and along road to large area of boulders in meadow); Los Posadas State Forest 490 Comment
  UC1103335  Mimulus angustatus J. P. Tracy 1902-5-19 1557 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC1245370  Mimulus angustatus Joseph P. Tracy 1950-5-23 18660 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UCD49285  Mimulus aurantiacus A. Collier; D. Caterson and S. Kenady 2002-5-4 10 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 10 m. 350 Comment
  JEPS110583  Mimulus congdonii Jake Ruygt 1990-4-1 2449 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  UCD21541  Mimulus douglasii B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 7 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS11534  Mimulus grandis Willis L. Jepson 1893-4-24 4 m Napa hills e St. Helena (to Conn Valley Grade); Napa River Basin, Howell Mt. foothills Comment
  JEPS11030  Mimulus guttatus W. L. Jepson 1897-5-2 30 m Napa sw Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  JEPS11033  Mimulus guttatus W. L. Jepson 1892-3-25 68 m Napa crest above Collins Camp; Vaca Mts. Comment
  JEPS110588  Mimulus kelloggii Jake Ruygt 1998-4-27 3941 Napa NE corner of the county, on Blue Ridge. 807 Comment
  UCD20376  Mimulus kelloggii K. Esau 1933-4-14 s. n. Napa Napa County, Calistoga, near petrified forest. Comment
  JEPS128916  Mimulus latidens Juanita Duran 2000-4-18 4227 Napa Saint Helena; Spring street, 1.5 west of Highway. Rutherford 7.5' Quad. Comment
  RSA670138  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd, 1 mi NW of Homsestake mine. 655 Comment
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Nov 11 2011
  UCD122756  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. 655 Comment
  UC103809  Mimulus nasutus C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena; ; Mt. St. Helena, Napa Co. Comment
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Jun 25 2013
  UCD122657  Mimulus nasutus Alan P. Godlewski 1974-5-3 8 Napa West of Lake Berryessa. Comment
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  JEPS100380  Mimulus nudatus Dean W. Taylor 2001-5-15 17655 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC1198337  Minuartia californica Joseph P. Tracy 1935-3-19 13766 Napa on Knight's Valley Rd nw Calistoga (near Napa-Sonoma county line) 213 Comment
  CAS-BOT-BC388754  Minuartia douglasii L. R. Abrams 1928-5-3 12222 Napa St. Helena Grade Comment
  CAS-BOT-BC388756  Minuartia douglasii Alice Eastwood 1918-5-1 6834 Napa Mt. St. Helena Comment
  CAS-BOT-BC388759  Minuartia douglasii David D. Keck 1933-5-29 2346 Napa Pope Creek bridge south of Walters Springs Comment
  UC1103536  Minuartia douglasii Joseph P. Tracy 1902-5-15 1484 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD41323  Minuartia douglasii Ellen Dean; T. and M. Starbuck 2004-4-3 2002 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  UC1300957  Minuartia douglasii Helen K. Sharsmith 1963-4-20 5349 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of Range) 152 Comment
  CAS-BOT-BC220615  Monardella villosa Betty H. Johnson 1958-6-15 616 Napa Near St. Helena River, 6.4 mi. S. W. of Middletown Comment
  JEPS110816  Monardella villosa subsp. villosa Jake Ruygt 1980-6-29 947 Napa Steele Canyon 201 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-BC220694  Monardella viridis Peter H. Raven 1951-8-21 3874 Napa Mt. Veeder 762 Comment
  UCD170469  Monardella viridis Daniel Potter; Ninh Khuu 2016-6-18 898 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  CAS-BOT-BC220696  Monardella viridis Willie Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  UCR212282  Monardella viridis subsp. viridis 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
  JEPS34925  Monolopia major C. F. Sonne Apr. 1888 Napa fields near Napa Junction Comment
  JEPS5865  Montia fontana W. L. Jepson 1940-2-29 19499 Napa 4 mi se of Yountville (Napa Valley, Vicinity of San Francisco Bay); Napa Valley Comment
  UC1151681  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa hills above Capell Creek (n end of valley); Capell Valley Comment
  CAS-BOT-BC515123  Muilla maritima John Thomas Howell 1926-3-27 1760 Napa Myrtledale Hot Springs, near Calistoga Comment
  JEPS126023  Myriophyllum aquaticum Jake Ruygt 1983-3-28 1395 a Napa Suscol Creek, 1/4 mile east of Highway 29 (221). Cuttings Wharf 7.5' Quad. Comment
  JEPS75633  Nassella cernua W. L. Jepson 1936-5-28 17540 Napa Adam-and-Eve Ridge Howell Mt. 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
  SEINET201032  Nassella lepida Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi east of St. Helena 305 Comment
  UCD36951  Nassella lepida Beecher Crampton 1956-5-25 3481 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD81833  Nassella lepida Ellen Dean 2009-4-24 5463 Napa Property at 600 Petrified Forest Road. 170 Comment
  UC1011035  Nassella pulchra Virginia Bufford and M. S. Baker Apr 1936 246 Napa on Monticello Hwy 5 1/2 mi from Napa Comment
  UCD18148  Nassella pulchra Jean Shepard; with PLB 102 class 2000-4-29 203 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
  UCD87466  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  JEPS70270  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa e end Pope Valley Comment
  JEPS120321  Navarretia divaricata subsp. vividior Jake Ruygt 2007-5-17 5174 Napa Wildlake Ranch, near Potato Hill . Calistoga 7.5' Quad. Comment
  UC1228162  Navarretia heterandra Beecher Crampton 1960-6-29 5747 Napa 2 mi n Spanish Flat (w shore of Lake Berryessa); Lake Berryessa Comment
  JEPS46278  Navarretia heterodoxa W. L. Jepson 1942-8-4 20731 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD167177  Navarretia heterodoxa Jake Ruygt 1982-6-19 1329 Napa Soda Canyon west of grade. 396 Comment
  JEPS70335  Navarretia intertexta Willis L. Jepson 1903-9-7 2351 Napa above St. Helena Reservoir (near summit w side of valley, in York Creek Canyon); Napa River Basin, St. Helena, York Creek Canyon Comment
  UC1195665  Navarretia jepsonii A. R. Kruckeberg 1947-6-15 1492 Napa 0.7 mi w Knoxville (on Knoxville-Lower Lake road) Comment
  UCD106388  Navarretia linearifolia subsp. pinnatisecta K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD167194  Navarretia mellita Jake Ruygt 1991-6-10 2716 Napa Deer Lake, Friesen's Lakes. 597 Comment
  UCD18142  Navarretia pubescens Jean Shepard; with PLB 102 class 2000-4-29 193 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD59449  Navarretia pubescens P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  JEPS70416  Navarretia pubescens Willis L. Jepson 1892-7-28 20964 Napa near Knoxville (ne Napa Co.); Mountain Region of Clear Lake Comment
  SD131880  Navarretia pubescens Barbara Ertter, Annetta Carter 1989-5-28 8495 Napa Schoolhouse Cove on NW end of Lake Berryessa 500 Comment
  CDA19939  Navarretia squarrosa R. McLellan, M. Bozzo 2002-7-5 PDR 1220417 Napa North Coast Ranges; Vicinity of Calistoga. 0 Comment
  JEPS70485  Navarretia tagetina W. L. Jepson 1894-10-14 15022 Napa sw of Calistoga (hills back of Rebecca Ranch); Napa River Basin Comment
  JEPS120357  Navarretia viscidula Jake Ruygt 1991-8-5 2825 Napa Rutherford Hill Lane. Rutherford 7.5' Quad. Comment
  JEPS5479  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge; ne Napa County Comment
  SEINET10461259  Nemacladus montanus Jussell JUSSELL s.n. Napa Napa Comment
  UCD126389  Nemacladus montanus Herbert L. Mason 1935-5-30 s.n. Napa 4 miles north of Knoxville Mines. Comment
  UCD126390  Nemacladus montanus Robert E. Preston 1987-6-20 569 Napa 3/4 mile north of Round Corral in Big Basin. 268 Comment
  JEPS110863  Nemophila heterophylla Jake Ruygt 1981-4-4 966 Napa Bell Canyon 353 Comment
  JEPS129070  Nemophila heterophylla Jake Ruygt 2016-3-26 6166 Napa Wantrup Wildlife Preserve. Saint Helena 7.5' Quad. Comment
  JEPS3152  Nemophila heterophylla W. L. Jepson 1910-3-28 4023 Napa sw Calistoga (on Rebecca Ranch grade); sw of Calistoga, on Rebecca Ranch grade Comment
  UCD48047  Nemophila heterophylla M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 5 Napa McLaughlin UC Reserve. SW of town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UCD49093  Nemophila heterophylla A. Van Houtte; E. Leger and C. Hohn 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., in drainage NW and upslope of Decker Canyon stock pond. 152 Comment
  UCD73400  Nemophila heterophylla Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  JEPS3158  Nemophila heterophylla Mrs. Mary Van E. Ferguson 1919-4-13 215 Napa near Atlas Mt.; near Atlas Mt. 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
  UCD23400  Nemophila heterophylla Eva Kurth 1977-4-10 182 Napa Corolla white. On rocky, SE facing slope 200 yds east of Monticello Dam on Highway 128. Comment
  JEPS110841  Nemophila menziesii Jake Ruygt 1977-3-14 156 Napa .2 mile north of Silverado Trail on Soda Canyon Rd. 121 Comment
  UCR267439  Nemophila menziesii Stephen P. Rae, Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, c. 1 km west of Anguin; McCrane property 526 Comment
  UC619287  Nemophila menziesii Mrs. L. A. R. Peckinpah 1898-3-11 Napa e Yountville (foothills Napa Range); foothills Napa Range e of Yountville Comment
  SEINET9351968  Nemophila menziesii var. atomaria Unknown 1933-4-2 91 Napa Napa Co., CA Comment
  CDA12056  Nemophila menziesii var. menziesii G. F. Hrusa, J. Messina 1989-3-3 5887 Napa North Coast Biodiversity Arena; Along Hwy 128 approx. 2 miles W of Monticello Dam (Lake Berryessa). Comment
  RSA10643  Nemophila menziesii var. menziesii Carl B. Wolf 1928-5-3 1847 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  RSA633299  Nemophila menziesii var. menziesii Michael A. Vincent, Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80 Comment
  JEPS122690  Nerium oleander Jake Ruygt 2004-9-4 4663 Napa Beryessa-Knoxville Road at Zim-Zim Creek. Quad: Knoxville. Comment
  JEPS115764  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  JEPS12387  Nicotiana quadrivalvis W. L. Jepson 1894-11-5 21248 Napa Napa River above St. Helena; Napa River Comment
  UCD82608  Odontostomum hartwegii Ellen Dean; T. Starbuck 2009-5-4 5546 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  JEPS120374  Olea europaea Jake Ruygt 1998-6-8 4020 c Napa Mead Ranch, on ridge top, overlooking Soda Canyon. Yountville 7.5' Quad. Comment
  UCD83860  Olea europaea Ellen Dean; Stephen Rae 2010-3-15 5818 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  CAS-BOT-BC500128  Orobanche fasciculata Peter H. Raven 1951-6-10 s.n. Napa Crater Region E of Palisades 762 Comment
  CAS-BOT-BC500299  Orobanche uniflora subsp. occidentalis E. Ruckert 1960-4-29 132 Napa 6495 Dry Creek Road, hillside above pond 300 yds SW 91 Comment
  RSA292970  Orthocarpus lithospermoides Reino Alava 1957-5-30 1011 Napa About 0.7 mile west of the Chiles Valley School. Comment
  RSA32034  Orthocarpus lithospermoides var. bicolor A. A. Heller 1941-5-16 16131 Napa About 3 miles west of Knoxville, on the road to Lower Lake. Comment
  RSA195370  Orthocarpus purpurascens Gilbert Muth 1967-4-16 634 Napa Snell Valley. 183 Comment
  CAS-BOT-BC316824  Packera clevelandii Harvey Monroe Hall 1923-10-14 11943 Napa 8 miles n. of Pope Valley. Along a small stream. Comment
  CAS-BOT-BC316826  Packera clevelandii John Thomas Howell 1930-10-19 5620 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  UCD134745  Packera clevelandii Robert E. Preston 1987-6-18 565 Napa 1.4 mile northeast of Big Basin. 414 Comment
  UCD37945  Packera eurycephala Beecher Crampton 1962-5-16 6427 Napa 0.75 mile E of Aetna Springs. Comment
  CAS-BOT-BC316942  Packera greenei Beecher Crampton 1957-6-4 4098 Napa above Capell Creek, north end of Capell Valley Comment
  HSC46346  Packera greenei J. P. Smith, J. O. Sawyer 1970-5-17 3781 Napa 8 mi. N of Pope Valley Comment
  JEPS106858  Packera greenei Jake Ruygt 1979-5-20 623 Napa about 1 mile east of HWY 29 on Livermore Road 533 Comment
  OBI77572  Packera greenei David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24506 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  UCD88171  Panicum acuminatum var. fasciculatum M. S. Baker 1942-6-26 10207 Napa Theological Seminary Pine Crest, 1 mile East of Pacific Theol. Sem. Comment
  JEPS122964  Panicum capillare Jake Ruygt 1986-6-18 1825 Napa Imola Ave. southeast of Maxwell bridge, Napa. Quad: Napa. Comment
  UC1023570  Panicum capillare Virginia Bufford 1936-9-20 436 Napa near Mineral Spring (Lower Lake, Knoxville Road); Lower Lake, Mineral Spring Comment
  UCD33885  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa Napa County, south of Yountville. Comment
  UCD89792  Panicum capillare subsp. hillmanii Beecher Crampton 1969-7-14 8496 Napa Napa, southern area, east of Napa River Bridge. Comment
  UCD18370  Parentucellia viscosa R. Wenk 2000-5-14 8 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UC1746158  Parvisedum pumilum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2759 Napa Howell Mtn. Road near Angwin Creek crossing. Comment
  JEPS50029  Parvisedum pumilum Willis L. Jepson 1893-4-28 13446 Napa ne of (and near) Napa City (Napa River Basin); Napa River Basin Comment
  UC191203  Parvisedum pumilum C. F. Sonne 1895-4-1 Napa Hill at Soda Springs Soda Springs Comment
  UC571854  Parvisedum pumilum H. L. Mason 1935-5-5 3494 Napa 3 mi s of Napa City Comment
  JEPS70594  Paspalum dilatatum R. S. Pearse Napa Napa; Soda Springs Road Comment
  CAS-BOT-BC259732  Paspalum distichum Peter H. Raven 1951-9-9 3897 Napa Near Slaughterhouse Point, Napa River 0 Comment
  JEPS129131  Pectocarya penicillata Jake Ruygt 2012-4-28 5832 Napa Crystal Flats, west of Putah Creek. Aetna Springs 7.5' Quad. Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD149364  Pedicularis densiflora Collector Unknown 1940-4-7 s.n. Napa City of St. Helena. 80 Comment
  UCD169887  Pedicularis densiflora Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 726 Napa Knoxville Wildlife Area. 311 Comment
  RSA195367  Pedicularis densiflora Gilbert Muth 1967-3-31 596 Napa Old Howell Mountain road. 457 Comment
  UC27314  Pedicularis densiflora Willis L. Jepson 1893-4-25 Napa trail to Leaux's Cabin; Napa River Basin Comment
  CHSC46030  Pellaea andromedifolia Lowell Ahart 1976-3-7 1021 Napa About 1/8 mile south of the road, about 2 miles south-west of Monticello Dam. 152 Comment
  SEINET3872924  Pellaea andromedifolia Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 143 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  JEPS103983  Pellaea mucronata Jake Ruygt 1979-2-22 432 Napa west face of Mt. George 121 Comment
  UCD160780  Pellaea mucronata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8660 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
  UCD162089  Pellaea mucronata Dylan O. Burge 2014-3-15 1486 Napa Mount Saint Helena. 850 Comment
  UCD20501  Pellaea mucronata var. mucronata E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1072 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
  SFV8540  Penstemon heterophyllus B. Henry 1973-5-5 23 Napa North Coast Ranges Vaca Mountains. State Highway 128, 2 miles above Monticello Dam. 150 Comment
  NY601710  Penstemon heterophyllus var. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa 200 Comment
  CAS-BOT-BC245719  Penstemon newberryi var. sonomensis L. R. Abrams 1928-5-4 12259 Napa Mt. St. Helena trail near Stevenson's monument Comment
  LA209709  Penstemon newberryi var. sonomensis Joseph Andorfer Ewan; 1937-5-23 10334 Napa Mount Saint Helena, Summit trail Comment
  NY627434  Penstemon newberryi var. sonomensis C. B. Wolf 1928-5-4 1849 Napa Upper slopes of Mt. St. Helena 1066.8 Comment
  UC887189  Penstemon newberryi var. sonomensis Milo S. Baker 1940-5-1 9576 Napa ca 2 1/2 mi s St. Helena Inn (and 800 ft higher); North Bay Counties, s of St. Helena Inn Comment
  UCD20424  Pentachaeta alsinoides E. Dean; w/ PLB 102 class 2002-5-4 1011 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  CAS-BOT-BC327995  Pentachaeta alsinoides John Thomas Howell 1933-6-4 11386 Napa Hills E of Napa Comment
  UC165062  Pentachaeta exilis J. P. Tracy 1902-5-15 1449 Napa 3-4 mi e Angwin's (head of Morre's Creek); Howell Mountain 426 Comment
  JEPS122754  Perideridia gairdneri subsp. gairdneri Jake Ruygt 2005-8-13 4944 Napa Across Highway 29 from Old Bale Mill. Quad: Calistoga. Comment
  UCD18114  Perideridia kelloggii K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 50 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
  UCD19310  Perideridia kelloggii M. A. Bibbo; E. Dean 2001-7-6 2 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  JEPS12398  Perideridia oregana W. L. Jepson 1894-10-13 14808 Napa Upper Conn Valley Napa Range Comment
  JEPS12437  Perideridia oregana Willis L. Jepson 1901-8-6 1726 Napa Howell Mt. grade Napa River Basin Comment
  CAS-BOT-BC419151  Persicaria maculosa Peter H. Raven 1951-6-26 3046 Napa Sarco Creek e. of Napa 60 Comment
  JEPS37159  Petasites frigidus var. palmatus Mrs. C. A. Hunt 1909-3-25 Napa Comment
  UCD98375  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles east of intersection of Hwy 128 and Chiles Pope Valley Road. 487 Comment
  JEPS85026  Phacelia distans Larry Heckard and Mary Ashton 1969-5-3 2213 Napa ca 7 mi ne Napa (off the Atlas Peak Rd; above and w of meadow); Mead Ranch 510 Comment
  UCD166687  Phacelia distans Jake Ruygt 1979-4-1 470 Napa Napa, top of Cup and Saucer. 134 Comment
  HSC43967  Phacelia divaricata Robert M. Specht 1977-4-11 619 Napa Drainage at Pocock Creek 500 Comment
  JEPS2346  Phacelia divaricata W. L. Jepson 1893-5-2 21020 Napa Pope Valley grade from Calistoga Napa Valley (that is, in Napa Range e of Calistoga) Comment
  JEPS78806  Phacelia egena John W. Willoughby 1976-5-18 1688 Napa w side of ridge near top Vaca Mountains (latitude approx. that of Mt. Vaca) 762 Comment
  UC735110  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3047 Napa near Mount St. Helena Inn (se slope of mt.); Mount St. Helena Comment
  RSA170281  Phacelia imbricata subsp. imbricata W. L. Jepson 1936-6-1 17599 Napa Lower slopes of Howell Mountain, Napa Range, near Sanitarium. Comment
  UC963880  Phacelia tanacetifolia Milo S. Baker 1936-4-8 8173 Napa about 2 mi n Knoxville (towards Lower Lake) Comment
  CAS-BOT-BC265789  Phalaris aquatica J. H. Thomas 1960-8-29 8841 Napa About 1 mile north of Calistoga along Highway number 53 Comment
  CAS-BOT-BC265854  Phalaris californica John Thomas Howell 1940-5-19 15444 Napa Near Calistoga Comment
  UC729981  Phalaris lemmonii Leo F. Koch 1940-4-24 850 Napa field w Cuttings Wharf Comment
  SACT001715  Phalaris minor M. Wiesendanger 1927-5-4 Napa Comment
  CAS-BOT-BC250851  Phleum pratense Peter H. Raven 1951-6-26 3048 Napa E. of Napa on Monticello Rd. 60 Comment
  UC23584  Phlox gracilis Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  RSA92800  Phoradendron densum Peter H. Raven 1951-10-28 3959 Napa Knoxville. 457 Comment
  UCD102235  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. 380 Comment
  UCD49307  Phoradendron leucarpum subsp. tomentosum A. Collier; D. Caterson and S. Kenady 2002-5-4 19 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Located 20 m W of path leading to tip of the peninsula, in vicinity of power lines. 274 Comment
  CAS-BOT-BC171138  Phoradendron serotinum subsp. tomentosum Peter H. Raven 1951-8-19 3851 Napa near Lokoya 457 Comment
  HSC71539  Pickeringia montana J. P. Smith, J. O. Sawyer 1970-5-17 3782 Napa 8 mi. N of Pope Valley Comment
  SEINET2056445 Image available Pickeringia montana M. F. Wojciechowski 2000-5-27 895 Napa Cache Creek area north of Lake Barryessa. Comment
  RSA602574  Pickeringia montana L. C. Wheeler 1952-8-30 6881 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC73123  Pinus lambertiana Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC72882  Pinus ponderosa Peter H. Raven 1954-2-22 6417 Napa Hills n. of White Sulphur Spr., w. of St. Helena. 152 Comment
  SEINET3221131 Image available Pinus ponderosa Royal D. Suttkus 1967-6-26 67- 30 -42 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  RSA491731  Pinus sabiniana James L. Reveal 1987-6-7 6405 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and South of Lake Berryessa. 244 Comment
  SEINET267025  Pinus sabiniana Royal D. Suttkus 1967-6-26 67- 30 -43 Napa Clearly Reserves 7.2 miles NW of Pope Valley. 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
  UCD47759  Pinus sabiniana R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 10 Napa Napa County, California. Mclaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD48372  Pinus sabiniana Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, 15 m N of Decker Bay Trail. 152 Comment
  JEPS120443  Piperia transversa Jake Ruygt 1992-5-20 2995 Napa West of Leoma Lakes, Wild Horse Valley Ranch (Beuhler). Comment
  UC1106288  Plagiobothrys bracteatus Peter H. Raven 1950-5-6 2108 Napa on Old Faithful Geyser road near Rt. 29 (2 mi n of Calistoga) Comment
  UCD164774  Plagiobothrys bracteatus Jake Ruygt 2014-5-19 5948 Napa Sutro Ranch, Atlas Peak. 722 Comment
  SEINET7063153  Plagiobothrys fulvus A. G. Vestal 1963-4-7 s.n. Napa East-facing slope about 3.8 miles north of Saint Helena on the Silverado Trail. UTM Zone 10, 543982mE, 4266952mN. (WGS84/NAD83). 98 Comment
  SBBG117336  Plagiobothrys fulvus B. Crampton 1955-4-7 2436 Napa 7.8 mi N of Monticello Comment
  JEPS106766  Plagiobothrys greenei Jake Ruygt 1983-4-8 1414 Napa south side of HWY 12 at Sonoma Co. line 88 Comment
  POM182692  Plagiobothrys nothofulvus D. D. Keck 1931-4-2 1006 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  UCD161235  Plagiobothrys nothofulvus Jake Ruygt 2005-4-4 4746 Napa Napa County : Jericho Canyon. (Coordinates estimated by label maker at UC Davis). 640 Comment
  UCD20918  Plagiobothrys nothofulvus V. (Shorty) Boucher 2002-3-27 9 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. Comment
  UCD37574  Plagiobothrys stipitatus Beecher Crampton 1955-4-7 2447 Napa Napa County, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville. Comment
  CAS-BOT-BC228491  Plagiobothrys strictus John Thomas Howell 1926-3-28 1778 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC228492  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  CAS-BOT-BC228495  Plagiobothrys strictus Alice Eastwood 1900-5-7 s.n. Napa Calistoga Comment
  RSA0008560  Plagiobothrys strictus D. D. Keck 1931-4-4 1095 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  POM63831  Plagiobothrys tenellus C. F. Baker 1903-4-20 2624 Napa Mt. St. Helena. Comment
  OBI20606  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa On La Jota Plateau in Los Posadas state forest 518 Comment
  UCD74383  Plagiobothrys undulatus Jake Ruygt 1991-8-10 2828 Napa Fawn Lake, Friesen's Lakes, Angwin. 582 Comment
  JEPS85040  Plantago erecta Larry Heckard and Mary Ashton 1969-5-3 2194 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UCD148811  Plantago erecta Ellen Dean; Diana Hickson 2014-4-29 8118 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCR146184  Plantago erecta Beecher Crampton 1967-5-11 7918 A Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UCD124425  Plantago erecta Robert C. Bechtel 1952-4-6 52 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  UCD15037  Plantago hookeriana Lorraine Clarke 1977-4-16 14 Napa California, Napa Co.; along Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam; Comment
  UCD170431  Plantago lanceolata Daniel Potter; Daniel McNair 2016-4-23 923 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  CAS-BOT-BC91869  Platystemon californicus Peter H. Raven 1953-4-2 5235 Napa Imola. 60 Comment
  JEPS51578  Platystemon californicus W. L. Jepson 1915-4-23 6240 Napa St. Helena Comment
  UC855258  Platystemon californicus Lewis S. Rose 1939-4-16 39066 Napa 6 mi s Napa 30 Comment
  JEPS110898  Plectritis brachystemon Jake Ruygt 1996-5-19 3720 Napa Chiles valley at east end of large meadow. 228 Comment
  JEPS5112  Plectritis brachystemon W. L. Jepson 1900-3-10 515 Napa near Toland House (Howell Mountain); Howell Mountain Comment
  UCD17992  Plectritis ciliosa Ellen Dean; with Plant Biology 102 class 2001-4-14 718 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
  JEPS5144  Plectritis ciliosa subsp. ciliosa Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  UC1018938  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 682 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  UCD49299  Plectritis congesta subsp. brachystemon C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 22 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; downslope of West Rd., N of jct with S. Decker Canyon Rd. 152 Comment
  UCD90200  Pleuropogon californicus M. Wiesendanger 1928-4-5 870 Napa Near Calistoga. Comment
  UCD90143  Pleuropogon californicus var. californicus Beecher Crampton 1962-5-8 6417 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  SBBG29002  Poa annua B. Crampton 1967-5-15 Napa 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  SEINET200841 Image available Poa howellii J. P. Tracy 1902-5-16 1510 Napa Howell Mountain head of Moore's Creek 3-4 miles E of Angwin's. 335 Comment
  UC1103792  Poa howellii Joseph P. Tracy 1899-6-18 349 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  CAS-BOT-BC246847  Poa napensis John Thomas Howell 1967-5-18 42244 Napa North of Calistoga Comment
  UC187221  Poa napensis Joseph P. Tracy 1903-5-15 1862 Napa Calistoga Hot Springs Calistoga; Northern Coast Ranges 91 Comment
  CAS-BOT-BC255949  Poa pratensis Peter H. Raven 1951-5-26 2890 Napa Howell Mtn. above Pope Valley 304 Comment
  RSA129899  Poa pratensis P. H. Raven 1951-5-26 2890 Napa Howell Mountain above Pope Valley 305 Comment
  SACT002005  Poa scabrella John Willoughby 1977-4-27 Napa Along State Highway 128 very near Monticello Dam, north-facing, rocky slope on south side of highway. Comment
  UCD18085  Poa secunda Ellen Dean; with PLB 102 class 2000-4-22 641 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  JEPS122927  Poa secunda subsp. secunda Jake Ruygt 1991-5-25 2698 Napa Paradise Valley. Quad: Jericho Valley. Comment
  JEPS110821  Pogogyne douglasii Jake Ruygt 1984-5-6 1550 Napa west of Lewelling Lane, St. Helena 85 Comment
  UC160998  Polycarpon tetraphyllum Joseph P. Tracy 1902-5-26 1640 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD160732  Polygala californica Ellen Dean 2015-5-23 8784 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD21553  Polygala californica A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 7 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, in forest by stream that crosses trail. 320 Comment
  JEPS51314  Polygonum aviculare subsp. aviculare Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC109158  Polygonum bolanderi T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain. Comment
  POM263036  Polygonum bolanderi J. C. Roos 1938-11-12 320 Napa In rocky place, Angwin, Napa Range. Comment
  UCD99863  Polygonum bolanderi Walter R. Russell 1963-11-5 s.n. Napa ca. 2 miles south of Napa State Hospital, State Highway 12-29. Comment
  CAS-BOT-BC414387  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  UC6721  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River Comment
  UC1245373  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau Northern Coast Ranges, Howell Mountain (on hills at head of Moore's Creek, 3-4 mi e of Angwin's) 518 Comment
  RSA26174  Polygonum patulum J. T. Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River. Comment
  RSA755360  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  OBI10872  Polygonum spergulariiforme Robert F. Hoover 1966-8-23 9920 Napa E side of Mt St Helena Comment
  CHSC46172  Polypodium californicum Lowell Ahart 1976-3-7 1023 Napa About 2 miles south-west of the Monticello Dam. 152 Comment
  RSA309338  Polypodium californicum Edward Lee, Annetta Carter 1935-12-1 1672 Napa Sarco Creek, Howell Mountains (road from Napa to Wooden Valley) 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
  JEPS115747  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 Win 133 Comment
  CAS-BOT-BC237254  Polypogon monspeliensis Doris K. Kildale 1928-5-8 5044 Napa 3 miles W of Napa-Solano county line Comment
  CAS-BOT-BC237256  Polypogon monspeliensis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs Comment
  CDA34667  Polypogon monspeliensis L. Ahart 2009-10-12 16465 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  UC1004360  Polystichum W. W. Lipman 1954-9-24 Napa 3 mi n St. Helena (in grounds of Professor Lipman's home) Comment
  CAS-BOT-BC72149  Polystichum californicum Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house Rd. below Mt. St. Helena Comment
  CAS-BOT-BC72192  Polystichum dudleyi John Thomas Howell 1941-6-21 16314 Napa Hills Sw. of St. Helena Comment
  CAS-BOT-BC72344  Polystichum imbricans subsp. imbricans Betty H. Johnson 1958-6-20 664 Napa near Mt. Mill House, 6.4 mi. S.W. of Middletown Comment
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  CHSC102296  Portulaca oleracea Lowell Ahart 2009-10-12 16472 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CAS-BOT-BC267121  Potamogeton Alice A. Ackley 1968-8-29 s.n. Napa Along main highway at Hoffman Road crossing, Yountville Comment
  JEPS122748  Proboscidea lutea Jake Ruygt 2006-9-10 5100 Napa West side of Highway 29, south of Darms Lane. Quad: Napa. Comment
  UCD116990  Prosartes hookeri Jillian Howard; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. 0.25 road miles on dirt road that starts north of fire station. South side of road. 520 Comment
  UCD20031  Prosartes hookeri C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-17 1207 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  CAS-BOT-BC154918  Prunus ilicifolia Peter H. Raven 1953-3-29 52134 Napa Hills e. of Imola 121 Comment
  CDA11152  Prunus ilicifolia G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11563 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  CAS-BOT-BC151177  Prunus subcordata Mrs. H. C. Cantelow 1940-4-13 s.n. Napa 8.2 miles S.W. of Monticello, on road to Napa Comment
  UCD113525  Prunus virginiana var. demissa K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS106917  Pseudognaphalium biolettii Jake Ruygt 1996-4-6 3561 b Napa East end of Rector Reservoir. 152 Comment
  UCD73442  Pseudognaphalium californicum 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
  JEPS106962  Pseudognaphalium stramineum Jake Ruygt 1997-7-5 3872 Napa east of White Cliff Springs east of Soda Valley. 371 Comment
  CAS-BOT-BC357566  Pseudognaphalium stramineum Peter H. Raven 1953-10-4 6368 Napa Duttons Landing 0 Comment
  UCD161687  Pseudognaphalium stramineum Jake Ruygt 2008-8-16 5367 Napa northeast of Napa Airport, Napa Sanitation ponds. 2 Comment
  UC650501  Pseudotsuga menziesii var. menziesii Ira L. Wiggins 1928-3-24 2863 Napa grade on old road to Lake Co., above Calistoga Comment
  UCD120917  Pseudotsuga menziesii var. menziesii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7338 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  CAS-BOT-BC361893  Psilocarphus tenellus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6664 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  JEPS110781  Pterostegia drymarioides Jake Ruygt 1994-3-15 3319 Napa Chiles Canyon Road about 1 mile from Chiles Valley 457 Comment
  JEPS57990  Pterostegia drymarioides Willis L. Jepson 1893-4-24 Napa hills e. of St. Helena to Conn Valley; Napa R. Basin Comment
  UC1735927  Pterostegia drymarioides Dean W. Taylor 1973-1-27 2059 Napa below Montecello Dam at Lake Berryessa along Putah Creek; under rocks on the south exposure of the canyon Comment
  UCD92252  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  JEPS106407  Pyrola aphylla Jake Ruygt 1988-6-4 2217 Napa Mt. St. Helena <.5 mi. from HWY 29 on fire road 707 Comment
  JEPS58838  Pyrola aphylla Alice King Jul 1919 Napa Mount St. Helena, Van Ness Ranch Mount St. Helena; , Van Ness Ranch Comment
  UCD167051  Pyrola picta Jake Ruygt 1990-5-19 2558 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29. 152 Comment
  POM262790  Quercus X morehus J. C. Roos 1939-4-16 281 Napa Angwin, Howell Mtn. Comment
  CAS-BOT-BC61810  Quercus agrifolia unspecified 1939-10-1 s.n. Napa Napa Comment
  JEPS37368  Quercus agrifolia W. L. Jepson 1907-12-1 2971 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37829  Quercus agrifolia W. L. Jepson 1934-10-19 16906 Napa St. Helena; at Sanitarium Comment
  RSA181899  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa St. Helena; Napa River Basin Comment
  UCD149630  Quercus agrifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Chiles Valley summit, [near] 128. Comment
  CDA12252  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Tree at upper end of Lake Hennessey along Hwy. 128. Comment
  JEPS116528  Quercus berberidifolia Jake Ruygt 2002-4-1 4379 Napa Blue Ridge north of Mays Flat. Knoxville 7.5' Quad. Comment
  JEPS116543  Quercus berberidifolia Jake Ruygt 1990-4-7 2460 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  SFV878  Quercus berberidifolia M. Shaw 1963-5-13 s. n. Napa North Coast Ranges Vaca Mountains. Below CA-Highway 128, 4 miles west of Monticello Dam. 120 Comment
  UC55941  Quercus berberidifolia J. P. Tracy 1902-5-21 1569 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD14830  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -3 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14831  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -4 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45214  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 37 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  UCD45219  Quercus berberidifolia John M. Tucker 1950-11-12 2014 5 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; southeast-facing hillslope above sage Creek. 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
  UCD45754  Quercus berberidifolia Beecher Crampton 1962-10-2 6692 Napa 1 miles southwest of Monticello Dam, Vaca Mtns., State Hwy. 128. Comment
  UCD96198  Quercus berberidifolia Ellen Dean; with Clare Loughran 2011-5-20 7076 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCD83394  Quercus chrysolepis Jake Ruygt 1991-5-4 2636 Napa Friesen's Lakes, Lake Henne. 548 Comment
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  JEPS37395  Quercus douglasii Willis L. Jepson 1901-8-6 1723 Napa Howell Mt. grade Napa River Basin Comment
  JEPS37412  Quercus douglasii W. L. Jepson 1907-11-29 2970 Napa St. Helena Comment
  RSA153  Quercus douglasii J. T. Howell 1927-8-23 682 Napa Chiles Valley 213 Comment
  UC1196502  Quercus douglasii Joseph P. Tracy 1933-4-30 12085 Napa 5 mi e Angwin's; Howell Mountain, Moores Creek Comment
  UCD45638  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45687  Quercus douglasii M. Wiesendanger 1926-4-1 1493 Napa Blue Oak. Comment
  CAS-BOT-BC86437  Quercus dumosa Peter H. Raven 1951-10-28 3948 Napa Conn Valley to Chiles Valley 274 Comment
  CAS-BOT-BC86439  Quercus dumosa John H. Thomas 1958-4-19 7113 Napa About 2 miles SW of Oakville 152 Comment
  SEINET9315403  Quercus dumosa Unknown 1939-4-16 39068 Napa 3 mi NE of Napa. Open rocky hills. Comment
  CAS-BOT-BC79848  Quercus durata R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6680 Napa Butts Canyon, 10 mi N of Howell Mt. 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
  UCD14803  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -2 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD14825  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -21 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14845  Quercus durata John M. Tucker 1950-11-12 2014 -23 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149624  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Chiles Valley. Comment
  UCD45935  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 Comment
  UCD45917  Quercus durata var. durata D. Q. Cavagnaro 1963-10-18 226 Napa 5.5 miles west of Moskwite Corners, Napa County, California. Elevation 100 feet. 30 Comment
  UCD45941  Quercus durata var. durata G. L. Stebbins, jr. 1948-5-9 3939 Napa In Capell Canyon, on road from Monticello to Rutherford, 9 miles southeast of Monticello. Comment
  JEPS37948  Quercus garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  UCD46059  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2357 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  UCD46082  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  CAS-BOT-BC105300  Quercus kelloggii Alice Eastwood 1922-5-14 11314 Napa Mt. St. Helena Comment
  JEPS37757  Quercus kelloggii W. L. Jepson 1911-11-12 4764 Napa near Mt. Atlas; Napa Range 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
  UCD83399  Quercus kelloggii Jake Ruygt 1993-3-15 3170 Napa end of Lewelling Lane, Lewelling Ranch. 82 Comment
  CAS-BOT-BC62880  Quercus lobata John Thomas Howell 1930-10-19 5608 Napa Pope Valley School, Pope valley Comment
  CAS-BOT-BC62883  Quercus lobata H. E. McMinn 1922-6-8 205 Napa Pope Creek Canyon Comment
  POM262791  Quercus lobata J. C. Roos 1939-3-27 282 Napa Angwin, Howell Mountains. Comment
  UCD49050  Quercus lobata Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near dilapidated buildings. 152 Comment
  UCD161648  Quercus lobata Jake Ruygt 1992-9-24 3155 -z? Napa Chiles Canyon near Chiles-Pope Valley Road? Comment
  UCD149631  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam area at Route 128. Comment
  UCD47509  Quercus wislizeni D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  JEPS106867  Rafinesquia californica Jake Ruygt 1980-5-13 882 Napa 3.0 miles S of Oakville Grade on Dry Creek Rd. 152 Comment
  UCD159906  Rafinesquia californica Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section, near Q58. 243 Comment
  JEPS55059  Ranunculus aquatilis var. capillaceus Willis L. Jepson 1893-4-27 Napa Oak Knoll Napa River Basin Comment
  JEPS55166  Ranunculus californicus W. L. Jepson 1904-6-3 2445 Napa Howell Mt. Comment
  RSA786317  Ranunculus californicus Keith E. Hoffmaster 1946-3-23 1223 Napa Napa range, along Napa-Monticello road. Comment
  JEPS55169  Ranunculus californicus W. L. Jepson 1900-3-1 533 Napa hills e St. Helena Comment
  CLARK-A1528-3878  Ranunculus hebecarpus John C. Roos 1939-4-1 264 Napa Comment
  POM182737  Ranunculus hebecarpus D. D. Keck 1931-4-2 1048 Napa 4 miles S of Monticello, eastern Napa County. Comment
  JEPS110874  Ranunculus lobbii Jake Ruygt 1992-3-18 2854 Napa Wild Horse Valley Ranch north of the polo field 472 Comment
  JEPS110879  Ranunculus occidentalis Jake Ruygt 1980-4-4 825 Napa Foss Valley 445 Comment
  UCD20824  Ranunculus occidentalis N. Nicola 2001-3-30 040 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD96925  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UC135583  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga Comment
  RSA92781  Ranunculus orthorhynchus var. bloomeri Peter H. Raven 1950-4-15 1708 Napa [Unspecified] 9 Comment
  JEPS110989  Ranunculus pusillus Jake Ruygt 1990-5-5 2525 Napa Johnsons Meadow, Wild Horse Valley Ranch 420 Comment
  POM306532  Ranunculus pusillus A. M. Ottley 1921-5-6 1327 Napa San Francisco Bay area, N of St. Helena, Wet meadow Comment
  SEINET8889133 Image available Raphanus raphanistrum Alex Lasseigne 2003-1 13722 Napa vicinity of empty field near Marina, on Hwy 37 to Napa Valley. Comment
  RSA659261  Reseda luteola David J. Keil, V. L. Holland, G. Fred Hrusa, G. Ledyard Stebbins 1994-6-6 24509 Napa Near E end of Lake Hennessy along Hwy 128 roadside and pasture. 150 Comment
  CDA949  Rhagadiolus stellatus D. G. Kelch 2002-4-1 2 .001 Napa Napa; Redwood Rd., west of town. 0 Comment
  UCR220107  Rhagadiolus stellatus Ayzik Solomeshch 2007-5-28 s.n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road 152 Comment
  CAS-BOT-BC59541  Rhamnus crocea John H. Thomas 1955-5-21 5110 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  SEINET12210865  Rhamnus crocea var. ilicifolia W. Knight, Knight, I. 1982-1 4552 Napa 0.5 mi W of Spanish Flat on road to Conn Reservoir Comment
  CAS-BOT-BC199723  Rhododendron occidentale H. E. McMinn 297 Napa About 6 mi. above Aetna Comment
  UC527847  Rhododendron occidentale R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6675 Napa 10 mi n of Howell Mountain; Butts Canyon Comment
  RSA672063  Rhododendron occidentale var. occidentale A. T. Leiser 1984-9-23 BC- 2 Napa Butts Canyon Rd./Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank. Comment
  CAS-BOT-BC200715  Rhus aromatica Ella Dales Cantelow 1939-4-8 2495 Napa Few miles s. of Knoxville Comment
  UCD14945  Rhus diversiloba Fumi Takeda 1977-4-16 10 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam in Scagg Canyon; Comment
  JEPS66280  Rhus trilobata W. L. Jepson 1936-4-5 17413 Napa near Zem-Zem (valley edges along bases of the hills) Comment
  UCD73419  Rhus trilobata Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  RSA0021660  Ribes malvaceum Peter H. Raven 1950-4-15 1770 Napa Wooden Valley Grade above Napa. 457 Comment
  CAS-BOT-BC198891  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Mt. St. Helena Inn at summit of Mt. St. Helena Grade Comment
  CAS-BOT-BC198892  Ribes roezlii var. cruentum Rimo Bacigalupi 1926-3-28 1268 Napa In canyon just below Mt. St. Helena Inn (Mollie Patton's), lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC198895  Ribes roezlii var. cruentum Rimo Bacigalupi 1926-3-28 1268 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  UC1182093  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 170 Napa canyon just w Rutherford Canyon; Napa Valley 304 Comment
  CDA10867  Rigiopappus leptocladus G. F. Hrusa, M. Rejmanek 1993-5-15 10962 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS34906  Rigiopappus leptocladus Joseph P. Tracy 1938-6-5 15827 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain, hills at head of Moo 365 Comment
  UC165852  Rigiopappus leptocladus J. P. Tracy 1902-5-15 1473 Napa 3 to 4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek 457 Comment
  UCD161274  Rigiopappus leptocladus Jake Ruygt 1989-5-13 2321 Napa Vaca Mtns. About 1 mile north of Mt. Vaca. (Coordinates estimated by label maker at UC Davis). 847 Comment
  JEPS34919  Rigiopappus leptocladus W. L. Jepson 1938-5-18 18792 Napa slope above St. Helena Sanitarium; Howell Mountains Comment
  UC725905  Rigiopappus leptocladus A. A. Heller 1941-5-16 16123 Napa below Knoxville; Eticura Creek Comment
  JEPS106849  Rorippa nasturtium-aquaticum Jake Ruygt 1978-5-13 299 Napa Suscol hill east of HWY 29 (221) 9 Comment
  JEPS110648  Rosa californica Jake Ruygt 2007-5-14 593 Napa NE corner of Trefethen Vineyards, Dry Creek 22 Comment
  JEPS129101  Rosa californica Jake Ruygt 2016-5-3 6228 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC1281126  Rosa gymnocarpa H. E. McMinn 1936-4-4 4381 Napa about six mi from Angwin (Howell Mt. to Pope Valley, road to Middletown) 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
  JEPS112570  Rosa rubiginosa Jake Ruygt 1987-5-11 1983 Napa Milliken Creek below Foss Valley 393 Comment
  UCD118112  Rumex acetosella Megan Mateo; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  JEPS110756  Rumex crispus Jake Ruygt 1979-3-7 440 Napa Marina Drive at South Coombs 3 Comment
  CDA34173  Rumex dentatus L. Ahart 2009-10-27 16492 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  UCD108442  Rupertia physodes Collector unknown 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  UCD108460  Rupertia physodes M. Wiesendanger 1927-5-4 698 Napa Monticello-Napa Rd. Comment
  CDA27811  Rupertia physodes H. Stabo 1959-5-5 Napa Francher s Ranch, near Sanitarium area. 0 Comment
  SBBG3780  Rupertia physodes H. and M. Dearing 1939-4-30 3230 Napa White Sulphur Springs Rd, St Helena Comment
  UCD167161  Sagina apetala Jake Ruygt 2015-3-23 6050 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS51081  Sagina decumbens subsp. occidentalis Willis L. Jepson 1893-4-26 Napa Oakville Napa R. Basin, Oakville Comment
  CAS-BOT-BC103225  Salix bonplandiana Peter H. Raven 1951-6-24 3021 Napa [Brown's] Browns Valley to Napa-Sonoma Road 91 Comment
  CAS-BOT-BC108661  Salix breweri M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC108662  Salix breweri Peter H. Raven 1951-5-26 s.n. Napa Butts Canyon [Canon] Creek Comment
  CAS-BOT-BC108665  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  CAS-BOT-BC108671  Salix breweri David D. Keck 1931-5-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  RSA181974  Salix breweri W. L. Jepson 1930-10-19 15704 Napa Butts Canyon. Comment
  RSA90537  Salix breweri Milo S. Baker 1931-4-2 5127 Napa 7 miles from Pope Valley Store on road to Middletown. 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
  UC146203  Salix exigua var. hindsiana Joseph P. Tracy 1904-5-20 2077 Napa along Napa R. near Rutherford; Northern Coast Ranges 30 Comment
  CAS-BOT-BC108191  Salix hindsiana Paul H. Jr. Arnaud 1978-5-6 s.n. Napa Steele Resort Park, Lake Berryessa 100 Comment
  CAS-BOT-BC108195  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa On main highway in roadside ditch, about 2 km. W. of Calistoga. Comment
  UCD167160  Salix laevigata Jake Ruygt 2015-3-20 6049 Napa Suscol Creek, east of Highway 221. 82 Comment
  UCD164802  Salix laevigata Jake Ruygt 1994-4-26 3356 -b Napa North of Barnett and Pope Valley Rd. 240 Comment
  UCD164804  Salix laevigata Jake Ruygt 1995-3-17 3407 Napa Silverado Trail east of Souza land, Napa. 3 Comment
  UCD164814  Salix lasiandra var. lasiandra Jake Ruygt 1992-7-10 3077 Napa Yountville Ecological Reserve, Yount-ville Crossroad. 25 Comment
  CHSC20623  Salix lasiolepis Carol C. Getzinger 1964-3-24 16 Napa Junction of Redwood Road and Brown's Valley Road. 152 Comment
  UC483316  Salix lasiolepis Ira L. Wiggins 1932-3-12 5751 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  JEPS108633  Salvia sonomensis R. Raiche, H. Forbes, K Zadnik 1991-4-24 114 Napa Mt. George 542 Comment
  UCD149684  Salvia sonomensis Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UC1125354  Sambucus mexicana A. Lewis May 1932 114 Napa Ragg Canyon Napa Quadrangle 182 Comment
  UCD68004  Sambucus mexicana Bill Wengeler 1995-4-30 S.N. Napa Highway 128, 0.2 miles West of Monticello Dam, above Lake Berryessa. Found on open hillside overlooking the lake. Shrub, 10 ft. high. Flowers, cream, flat-topped inflorescence. 158 Comment
  UC1368792  Sanicula crassicaulis David H. French 1968-4-20 2860 Napa about 11 mi nw of Napa (w side of road called Silverado Trail) Comment
  UCD95923  Sanicula laciniata Ellen Dean; with Clare Loughran 2011-5-20 7056 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  JEPS963  Sanicula tuberosa Willis L. Jepson 1893-5-2 14194 Napa e from Calistoga (Napa River Basin, Pope Valley Grade); Napa River Basin, Pope Valley Grade Comment
  UCD163271  Sanicula tuberosa D. Slakey; CNPS Volunteers 2015-4-25 116 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCD18024  Sanicula tuberosa Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 570 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD41472  Sanicula tuberosa Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1352 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road, south of junction with South Decker Canyon Road. 365 Comment
  RSA10650  Saxifraga californica Carl B. Wolf 1928-5-3 1839 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UC614598  Saxifraga californica L. Constance 1938-3-27 2042 Napa 8 mi ne of Napa (above Wooden Valley, e slope of Howell Mountain); North Coast Ranges, Howell Mountain 457 Comment
  RSA734153  Saxifraga virginiensis Keith E. Hoffmaster 1946-3-9 1240 Napa Napa range, near summit of Napa-Monticello road. Comment
  UC917158  Scandix pecten-veneris C. G. Baughn 1949-4-24 20 Napa 3 1/4 mi nw of Cordelia (State Highway 12); State Highway 12 Comment
  UCSC000537  Scandix pecten-veneris C. F. Sonne April 1888 s.n. Napa First found in N. America in wheatfield near Napa Junction Comment
  RSA195309  Scandix pecten-veneris Gilbert Muth 1967-4-28 654 Napa Spring Mountain Road, St. Helena Comment
  UCSB12314  Scandix pecten-veneris Dearing, Hugh; Dearing, Margaret 1939-5-1 Napa Top of Spring Mt.grade, Napa County Comment
  RSA769185  Schoenoplectus maritimus L. Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS121365  Scirpus cernuus Jake Ruygt 1986-7-23 1888 Napa East end of Marina Drive, Napa. Comment
  CAS-BOT-BC110877  Scirpus microcarpus Peter H. Raven 1952-9-14 5176 Napa Corn Creek E of Yountville 91 Comment
  HSC10894  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  UCD92539  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau. Howell Mountain. At head of Moore's Creek, 3.4 miles east of Angwin's. Comment
  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
  UCD54648  Scutellaria tuberosa Collector Unknown 2006-3-3 s.n. Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UC1713659  Scutellaria tuberosa O. H. Kappler 1941-3-3 Napa Las Trancas Comment
  UCD149716  Sedella pumila Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  CAS-BOT-BC63832  Sedum spathulifolium Carl B. Wolf 1928-5-3 1837 Napa Base of Mt. St. Helena Comment
  CAS-BOT-BC63835  Sedum spathulifolium John H. Thomas 1955-5-21 5126 Napa Sarco Creek drainage, near Hwy 37, about 6 mi from Napa. 274 Comment
  UC205200  Sedum spathulifolium H. P. Chandler 1907-5-8 7558 Napa White Sulphur Spr , White Sulphur Spr (St. Helena) Comment
  CAS-BOT-BC69710  Selaginella wallacei John H. Thomas 1955-5-21 5103 Napa Sarco Creek drainage, near State Highway No. 37, about 6 mi. from Napa. 274 Comment
  CAS-BOT-BC69713  Selaginella wallacei John Thomas Howell 1926-3-21 1737 Napa Old toll road to Mt. St. Helena. Comment
  UCR254842  Selaginella wallacei Greg de Nevers 1998-2-16 11137 Napa North Coast Range, Devils [Punchbowl] Falls [Bell Canyon Creek near Angwin] 320 Comment
  CAS-BOT-BC363358  Senecio aronicoides Peter H. Raven 1951-6-10 2916 Napa Crater Region e. of Mt. St. Helena 762 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
  UCR80866  Senecio clevelandii G. Fred Hrusa 1993-10-3 11425 Napa 2.6 mi SW along Knoxville-Devilhead Rd. from Knoxvllle-Berryessa Rd. 488 Comment
  CDA8606  Senecio clevelandii B. E. Eaton 1970-6-24 Napa Berryessa Estates, Snell Valley. 0 Comment
  RSA15117  Senecio eurycephalus J. T. Howell 1935-5-12 12626 Napa Pope Creek Canyon one mile below Samuels Springs. Comment
  CAS-BOT-BC327422  Senecio flaccidus var. douglasii John Thomas Howell 1930-10-19 5607 Napa Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  CAS-BOT-BC327425  Senecio flaccidus var. douglasii H. E. McMinn 1922-8-1 396 Napa Pope Valley Canyon Comment
  RSA292916  Senecio greenei Reino Alava 1957-5-30 988 Napa 4.2 miles (four and 2 tenths of a mile) north of the junction of Highways 37 and 128, on State Highway 128. Comment
  SFV4108  Senecio sylvaticus E. Parchim 1964-4-25 s. n. Napa Summit of Oakvillegrade Road, about 4 miles southwest of Oakville. Shale soil in burned (summer 1962) area south of road. 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
  UCD18018  Senecio vulgaris Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 563 Napa Napa County. McLaughlin Reserve. Along Knoxville -- Berryessa Rd., just NW of jct. with Devil Head Rd. N side of Knoxville -- Berryessa Rd. 426 Comment
  CAS-BOT-BC364598  Senecio vulgaris John H. Thomas 1958-4-19 7118 A Napa About 2 miles SW of Oakville 152 Comment
  JEPS122692  Sesuvium verrucosum Jake Ruygt 1991-10-23 2842 Napa Napa River, northeast of Slaughterhouse Point. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC240158  Setaria verticillata Peter H. Raven 1951-8-21 3879 Napa Lokoya 457 Comment
  CAS-BOT-BC240238  Setaria viridis Peter H. Raven 1952-9-14 5183 Napa Napa State Game Farm 121 Comment
  RSA10687  Sidalcea diploscypha Carl B. Wolf 1928-5-3 1800 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SBBG100017  Sidalcea diploscypha B. Ertter, A. Carter 1989-5-28 8500 Napa Berryessa-Knoxville Rd N of Lake Berryessa, 4.7 mi S of Knoxville tunnel, along Eticuera Crk 304 Comment
  UC146121  Sidalcea diploscypha J. P. Tracy 1902-5-21 1576 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain, e of Angwin's 365 Comment
  JEPS97957  Sidalcea diploscypha K. Andreasen 1998-6-27 273 Napa at crossing of road and Moore Creek just E of 4-H camp Las Posadas State Forest Comment
  JEPS110707  Sidalcea hartwegii Jake Ruygt 1998-7-18 4099 Napa Bear Valley at pond. 646 Comment
  UCD116728  Sidalcea hartwegii T. Adams 1998-5-10 9 Napa about 3 miles up Soda Canyon Road, across the road from the 'Soda Hole. 198 Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  UCD170380  Sidalcea keckii Daniel Potter; N Khuu 2016-5-8 877 Napa West of Nevada Creek, west of Knoxville Wildlife Area. 294 Comment
  JEPS50967  Silene californica W. L. Jepson 1924-5-8 10414 Napa Pope Creek Pope Creek (Canyon flat) Comment
  CAS-BOT-BC388148  Silene gallica Doris K. Kildale 1928-5-8 5052 Napa 1/2 mile from Napa Solano County line, on road to Vacaville. Comment
  UCD37128  Silene laciniata subsp. californica Beecher Crampton 1957-6-4 4095 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  UCD37323  Silene laciniata subsp. californica Beecher Crampton 1959-5-26 5260 Napa Napa County, north end of Capell Valley, Capell Creek. Comment
  CAS-BOT-BC389180  Silene laciniata subsp. californica Betty H. Johnson 1958-6-20 620 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS106853  Silene multinervia Jake Ruygt 1997-6-22 3867 Napa Bismark Knob 640 Comment
  CDA7653  Silybum marianum T. C. Fuller 1957-12-17 Napa 3 miles west of Napa. 0 Comment
  CAS-BOT-BC74904  Sinapis arvensis Peter H. Raven 1952-5-29 4073 Napa Napa River 1 mile north of Napa. 60 Comment
  CAS-BOT-BC135365  Sisyrinchium L. R. Abrams 1928-5-3 12212 Napa St. Helena Grade Comment
  HSC45337  Sisyrinchium bellum R. York 1978-4-8 107 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  POM118568  Sisyrinchium bellum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA503179  Sisyrinchium bellum Gary D. Wallace 1967-5-27 770 Napa Northwest of St. Helena on Howell Moutain Road 2 miles west of Pacific Union College and Angwin Comment
  UCD138795  Sisyrinchium bellum Heidi E. M. Dobson 1978-4-8 301 Napa east slope of Mt. Veeder. Comment
  UCD18175  Sisyrinchium bellum 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
  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
  UCD48245  Sisyrinchium bellum Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 4 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD81442  Sisyrinchium bellum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  POM291000  Sisyrinchium bellum Lyman Benson 1930-3-31 2020 Napa Calistoga, North Coast mt. range, base of Mt. St. Helena 305 Comment
  RSA125805  Sisyrinchium bellum Peter H. Raven 1958-5-5 10740 Napa Near the Hot Springs, Calistoga. 91 Comment
  UC429224  Sisyrinchium bellum C. F. Sonne Apr. 1897 6817 Napa Napa Valley Comment
  JEPS113973  Smilax californica Jake Ruygt 1999-5-30 4175 Napa Sulphur Creek about 1/2 mile below the resort. Rutherford 7.5' Quad. Comment
  CDA34153  Solanum rostratum L. Ahart 2009-10-27 16494 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  JEPS110918  Solanum rostratum Jake Ruygt 1984-6-30 1579 Napa Pope Valley Middle Rd. 195 Comment
  UCD148992  Solanum rostratum R. Breckenridge 2010-9-29 PDR 505910 4 Napa Lake Berryessa. 145 Comment
  CAS-BOT-BC156485  Solanum umbelliferum J. T. Howell 1931-4-3 6128 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS110903  Solanum umbelliferum Jake Ruygt 1980-5-3 872 Napa Bear Valley 640 Comment
  CAS-BOT-BC156678  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa Howell Mt. Comment
  UC1280958  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa on summit of Howell Mountain Howell Mountain Comment
  UC1299293  Solidago velutina subsp. californica Freed W. Hoffman 1947-9-11 1383 Napa Butts Canyon , Butts Canyon (North Coast Ranges) Comment
  UC517539  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11635 Napa Sage Canyon , Sage Canyon (Napa Range) Comment
  UCD159925  Sonchus oleraceus 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
  CAS-BOT-BC374657  Sonchus oleraceus Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC235281  Sorghum bicolor R. E. Frenkel 1963-10-27 287 Napa On both sides of Silverado Road, 2.5 miles north of Conn Dam turn-off Comment
  CAS-BOT-BC235282  Sorghum bicolor J. H. Thomas 1960-8-29 8835 Napa About 1 mile north of Calistoga along highway number 53 Comment
  JEPS120393  Spergularia bocconi Jake Ruygt 1987-5-17 2004 Napa John F. Kennedy Park Comment
  CAS-BOT-BC390293  Spergularia macrotheca var. longistyla Alice Eastwood; John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  CDA11969  Stachys albens G. F. Hrusa, M. Hooper 1995-9-12 12461 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  UCD95970  Stachys rigida var. quercetorum Ellen Dean; with Clare Loughran 2011-5-20 7067 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
  UCD20829  Stellaria media N. Nicola 2001-3-30 045 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  SBBG53024  Stellaria nitens M. R. Benedict 1978-4-18 Napa Hwy 128 on divide between Napa Valley and Russian River Valley, ca. 5 mi NW of Calistoga Comment
  UCD161325  Stephanomeria elata Jake Ruygt 1980-8-14 797 Napa Suscol hill, mediam strip of highway. (Coordinates estimated by label maker at UC Davis). 30 Comment
  CAS-BOT-BC375245  Stephanomeria elata Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD35506  Stephanomeria elata Beecher Crampton 1956-9-28 3881 Napa Vaca Mtns, floor of Wragg Canyon. Comment
  CAS-BOT-BC375744  Stephanomeria virgata Peter H. Raven 1951-8-21 3871 Napa Mt. Veeder 762 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
  JEPS122969  Stipa lepida Jake Ruygt 1991-5-18 2574 Napa Mount George Avenue. Quad: Mount George. Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  UC10858  Streptanthus barbiger Edw. L. Greene Jul 1891 Napa St. Helena Comment
  OBI14930  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UCD164229  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-5-25 IC-SS 306 Napa Hunting Creek. 313 Comment
  UCD115951  Streptanthus breweri Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties. Butts Canyon Road. Comment
  UC1198805  Streptanthus breweri var. hesperidis Joseph P. Tracy 1899-7-6 407 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  POM143636  Streptanthus glandulosus C. F. Baker 1903-4-20 2619 Napa Mt. St. Helena. Comment
  POM225546  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Conn Valley. Comment
  CAS-BOT-BC87158  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  JEPS129170  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2015-4-20 6075 Napa Fernandes/ Land Trust, Snell Peak area. Aetna Springs 7.5' Quad. Comment
  UCD74407  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-29 1677 Napa Devilshead Rd. area; 'sensitive plant canyon. 420 Comment
  CAS-BOT-BC87394  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa Headwaters of Rare Plant Canyon, an unnamed tributary of Hunting Creek. 426 Comment
  JEPS121550  Streptanthus morrisonii Adam C. Schneider with Dick O'Donnell 2013-5-26 229 Napa Near Three Peaks, Lake County Comment
  UCD20766  Streptanthus morrisonii M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 116 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. In Sensitive Plant Canyon 150 yards upstream of junction with Hunting Creek. 640 Comment
  UC1102668  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-5-3 1438 Napa 0.25 mi w White's Point (Table Mtn. road, ca 5 mi e of Mountain Mill House, Napa-Lake Co. line); ; W of White's Pt., Table Mt., Napa-Lake Co. Comment
  UCR71160  Streptanthus morrisonii subsp. kruckebergii L. F. LaPre, R. Bjork 1986-7-12 s.n. Napa Inner North Coast Ranges, Headwaters of 'Rare Plant Cyn', an unnamed tributary of Hunting Creek 427 Comment
  CAS-BOT-BC97740  Symphyotrichum chilense John Thomas Howell 1933-8-27 11627 Napa Sage Canyon, Napa Range Comment
  UC1536891  Symphyotrichum spathulatum G. H. True Jr. 1937-10-12 842 Napa near Lokoya Lodge Comment
  JEPS40770  Symphyotrichum subspicatum Willis L. Jepson 1894-11-7 Napa Napa City Napa River Basin Comment
  JEPS40785  Symphyotrichum subspicatum Willis L. Jepson 1894-11-7 Napa Napa City 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
  SD211538  Symphyotrichum subulatum var. parviflorum Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey circa 15 airmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges, below spillway on North side of Route 128, base of riprap 91 Comment
  HSC58999  Tamarix ramosissima Bill Lutes 1975-4-26 149 Napa Near Knoxville, close to the town of Lower Lake. 375 Comment
  CAS-BOT-BC376783  Tanacetum parthenium Peter H. Raven 1951-6-26 3039 Napa Napa 30 Comment
  JEPS36852  Taraxacum officinale W. L. Jepson 1924-4-27 10384 Napa Mt. St. Helena Comment
  JEPS120336  Taraxia ovata Jake Ruygt 1990-4-1 2452 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UC107641  Taraxia ovata Mrs. K. Curran Sept. 1888 Napa Howell Mountain Comment
  UC1196946  Taraxia ovata Joseph P. Tracy 1933-4-30 12107 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  CDA20091  Tetrapteron graciliflorum A. Howald 2003-4-23 2302 Napa North Coast Ranges; Missimer Snell Valley Wildflower Area, 2.3 mi E of Butts Cyn Rd on Snell Valley Rd. Comment
  CAS-BOT-BC399739  Thalictrum polycarpum Betty H. Johnson 1958-6-20 662 Napa Near Mt. Mill House, 6.4 mi. S.-W. of Middletown Comment
  UCD108633  Thermopsis californica var. californica C. H. Lamoureux; J. M. Tucker, Roman Gankin 1957-4-11 1211 Napa South side of Lake Hennessy, 1 mile west of junction of State Highway 128 and Pope Valley Road. Comment
  UCD48027  Thermopsis macrophylla Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 23 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC66505  Thysanocarpus curvipes John H. Thomas 1955-5-21 5137 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC66502  Thysanocarpus curvipes Peter H. Raven 1953-4-2 5274 Napa Hill west of Tulucay Creek. 243 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
  UCD41232  Thysanocarpus curvipes Gary Fugle 1976-4-11 11 Napa On west side of road, 3 miles west of Hwy 12P and Hwy 121 junction on Hwy 128. 152 Comment
  CAS-BOT-BC66964  Thysanocarpus laciniatus Katharine Brandegee 1909-6-1 s.n. Napa Pope Valley Grade. 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
  UCD124645  Tonella tenella G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12024 Napa On N slope immediately below field house, Quail Ridge Reserve. 370 Comment
  JEPS26171  Tonella tenella Joseph P. Tracy 1902-5-14 1444 Napa 1 mi from St. Helena (on Howell Mt road); Northern Coast Ranges, Napa Valley 91 Comment
  UCD159916  Torilis arvensis Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  SEINET265710  Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  UCD133451  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1203 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  UCD20003  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-5-4 1236 Napa 8 miles north of Calistoga on Hwy 29. 1 mile north of crest of Hwy 29 on Mt. St. Helena. Comment
  CAS-BOT-BC172956  Toxicodendron diversilobum Peter H. Raven 1964-5-9 19041 Napa Along dirt road 2 miles west of Aetna Springs Comment
  JEPS63924  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6239 Napa hills e St. Helena (Howell Road); hills e <of> St. Helena Comment
  UC17923  Toxicodendron diversilobum Willis L. Jepson May, 1893 Napa near St. Helena St. Helena; Napa R. Basin Comment
  UCD48423  Toxicodendron diversilobum A. Van Houtte; E. Leger, C. Hohn 2001-4-14 18 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; South Decker Canyon Rd. south of junction with Cut-Off Rd. 198 Comment
  UCD48284  Toxicoscordion fontanum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 24 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 487 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
  JEPS63144  Trichostema laxum W. L. Jepson 1938-9-24 19024 Napa canyon of Limekiln Creek, N of Pope Valley 304 Comment
  JEPS63139  Trichostema laxum W. L. Jepson 1930-10-17 15698 Napa Butts Canyon N Napa Co. Comment
  CAS-BOT-BC5354  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa 6N, 4W, NE 1/4, Yountville Quad. Mead Ranch, Atlas Peak Rd., south of Foss Valley. 481 Comment
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  UCD166648  Trichostema ruygtii Jake Ruygt 1979-7-3 737 Napa Atlas Peak Road, 7.6 miles north of Westgate Dr. 426 Comment
  JEPS126091  Trifolium albopurpureum Jake Ruygt 1995-4-29 3451 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Qua. Comment
  UCD38291  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  JEPS65846  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-5-2 13663 Napa e Calistoga (Palisades, near summit of New Pope Valley Grade); Napa River Basin Comment
  JEPS106694  Trifolium barbigerum var. barbigerum Jake Ruygt 1981-4-27 1007 Napa Milton Rd. across from Maury's Yachts 1 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
  JEPS65758  Trifolium bifidum var. bifidum E. K. Crum 1931-4-17 1055 a Napa 1/2 mi n P. O.; Pope Valley 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
  CHSC83410  Trifolium bifidum var. decipiens L. P. Janeway; B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS106796  Trifolium bifidum var. decipiens Jake Ruygt 1993-4-12 3199 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  POM225841  Trifolium bifidum var. decipiens J. T. Howell 6465 Napa Conn Valley Comment
  JEPS106830  Trifolium campestre Jake Ruygt 1996-5-13 3671 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 310 Comment
  JEPS106800  Trifolium ciliolatum Jake Ruygt 1995-4-29 3456 Napa Skyline Park, Sugarloaf Peak Trail. 402 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
  HSC15112  Trifolium depauperatum J. P. Tracy 1902-5-18 1541 Napa At head of Moore's Creek, 3.4 mi. E of Angwin's 518 Comment
  UC16483  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  UC188495  Trifolium depauperatum var. depauperatum Edw. L. Greene 1895-4-1 Napa Napa Valley Comment
  JEPS106829  Trifolium depauperatum var. hydrophilum Jake Ruygt 1996-4-11 3593 Napa Calistoga Airport 105 Comment
  RSA653959  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCR141074  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa Inner North Coast Ranges, 0.25 mile northwest of Knoxville 457 Comment
  UCD35287  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa 1/4 mile northwest of Knoxville. Comment
  CDA31271  Trifolium dubium D. G. Kelch 2010-5-6 10 .177 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS106805  Trifolium dubium Jake Ruygt 1996-5-5 3640 Napa Butts Canyon Road at James Creek Road; field to SE. 210 Comment
  POM262789  Trifolium fucatum var. fucatum J. C. Roos 1939-4-15 279 Napa Pope Valley Comment
  POM126204  Trifolium fucatum var. fucatum C. F. Sonne 1887-04 1535 Napa Napa Junction Comment
  JEPS106812  Trifolium glomeratum Jake Ruygt 1994-5-2 3367 Napa Kirkland Ranch, NE side of HWY 29 and 12 Comment
  RSA617194  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 90 Comment
  UCD38367  Trifolium gracilentum Beecher Crampton 1955-4-4 2385 Napa 7 miles east of Rutherford, above Conn Reservoir, eastern edge. Comment
  UCD83447  Trifolium gracilentum Jake Ruygt 1998-3-29 3899 Napa Suscol Ridge overlooking Jameson Canyon. 158 Comment
  UCD111240  Trifolium incarnatum David Slade 1982-4-22 37 Napa Pleasant Valley Road 1.2 mi. w. Highway 128, roadside. 30 Comment
  CDA10873  Trifolium microcephalum G. F. Hrusa, M. Rejmanek 1993-5-15 10968 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC1925901  Trifolium microcephalum Ethel Crum 1931-1 1063 Napa Pope Valley Comment
  UCD111441  Trifolium microcephalum P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD83411  Trifolium microcephalum Jake Ruygt 1982-4-7 1172 Napa Suscol Hill. 24 Comment
  UC1300874  Trifolium microdon Helen K. Sharsmith 1963-4-20 5352 Napa above Wooden Valley (Montecello Rd); Napa Range Comment
  JEPS106713  Trifolium obtusiflorum Jake Ruygt 1990-6-2 2570 Napa Sulphur Canyon 237 Comment
  JEPS106752  Trifolium obtusiflorum Jake Ruygt 1980-5-21 895 Napa 2.7 miles north of Monticello Rd. on HWY 128 213 Comment
  JEPS129046  Trifolium obtusiflorum Jake Ruygt 2016-6-11 6283 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  RSA313540  Trifolium obtusiflorum P. B. Kennedy 1929-5-23 10287 Napa Moore Creek, region of Mt. Howell, Napa Range. Comment
  UCD109244  Trifolium obtusiflorum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS4361  Trifolium oliganthum Willis L. Jepson 1893-4-24 13697 Napa e St. Helena (in hills) Comment
  JEPS106810 Image available Trifolium striatum Jake Ruygt 1993-5-8 3254 Napa Mead Ranch in large meadow NW of horse track 486 Comment
  JEPS106718  Trifolium variegatum Jake Ruygt 1978-4-9 273 b Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UCD109408  Trifolium variegatum W. L. Jepson 1915-4-23 6235 Napa St. Helena, hills east. Comment
  JEPS106686  Trifolium variegatum var. pauciflorum Jake Ruygt 1991-5-11 2667 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  UCD109895  Trifolium willdenovii R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD118102  Trifolium willdenovii Megan Mateo; 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
  UCD17969  Trifolium willdenovii Ellen Dean; Kate Mawdsley 2001-4-9 688 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  POM18839  Trifolium willdenovii C. F. Baker 1903-4-19 1992 Napa Calistoga. Comment
  UC16740  Trifolium willdenovii Willis L. Jepson 1893-4-23 Napa Napa Valley Napa River Basin Comment
  UCD19868  Trifolium willdenovii C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1197 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  UCD33569  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa Napa County, east slope of Wragg Canyon. Comment
  UCD167155  Trifolium wormskioldii Jake Ruygt 2015-5-19 6103 Napa Atlas Peak Road Circle R (S) Ranch. 432 Comment
  UC441318  Triglochin maritima C. F. Sonne April 1887 1760 Napa Napa Comment
  UC504873  Trillium albidum R. M. Holman 1933-4-12 Napa near Mt. Veeder Mt. Veeder Comment
  JEPS113978  Trillium chloropetalum Jake Ruygt 1994-3-19 3328 Napa In canyon between Little Bear Valley and Bear Valley. Detert Reservoir 7.5' Quad. Comment
  SBBG1071  Trillium chloropetalum H. and M. Dearing 1939-5-1 3240 C Napa Bill Hart's Ranch, St. Helena Comment
  CLARK-A1703-1  Trillium sessile subsp. giganteum D. V. Hemphill 1935-3-15 Napa Howell Mountain Comment
  UCD48230  Triphysaria eriantha subsp. eriantha J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 27 Napa Napa County, California. McLaughlin Reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UC1301205  Triphysaria pusilla Helen K. Sharsmith 1963-4-20 5327 Napa off of Kelly Road 4 mi s Napa; San Francisco Bay Region 45 Comment
  CDA11594  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa, S. Larson 1995-4-1 12060 Napa North Coast Biodiversity Arena; Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  JEPS110677  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1978-4-30 282 Napa .1 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  RSA739593  Triphysaria versicolor subsp. faucibarbata John Dittes 2003-4-5 2003 -10 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
  CDA41890  Triphysaria versicolor subsp. faucibarbata T. C. Fuller 1958-5-1 s.n. Napa Highways 29 & 21, 6 miles south of Napa. 0 Comment
  CDA41891  Triphysaria versicolor subsp. faucibarbata H. Stabo 1960-4-25 s.n. Napa Southern part of county. 0 Comment
  HSC60268  Triphysaria versicolor subsp. faucibarbata R. W. Spjut 1979-4-8 5454 Napa Within Napa city limits just off Hwy. 121 Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  UC1301199  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-3-17 5239 Napa Henry Road e Napa; San Francisco Bay Region 121 Comment
  UCD93502  Trisetum canescens Beecher Crampton 1956-5-25 3486 Napa Howell Mtns. Comment
  JEPS110913  Triteleia laxa Jake Ruygt 1981-5-27 1044 Napa American Canyon, .3 mile east of Flosden Rd. 91 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
  UCD48278  Triteleia laxa E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 24 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UCD48794  Triteleia laxa E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., on a W-facing slope approximately 2400 ft. as the crow flies NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  JEPS58051  Triteleia laxa Elizabeth Ferguson 1920-5-15 348 Napa Pope Creek and Howell Mt. Howell Mt., Pope Creek Comment
  JEPS58053  Triteleia laxa W. L. Jepson 1901-5-28 2428 Napa York Creek St. Helena Comment
  RSA123617  Triteleia lugens Milo S. Baker 1942-5-7 10192 Napa Divide between Santa Rosa & Napa Valley at point west of St. Helena town, near summit of Spring Mountain road Comment
  CHSC108728  Triteleia peduncularis B. Castro; L. P. Janeway 2002-5-12 1357 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  RSA378085  Triteleia peduncularis Robert Gustafson, Don Reynolds 1983-6-7 2739 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC1278003  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa above Capell Creek (n end of Capell Valley); , n end Capell Valley Comment
  UCD63053  Triteleia peduncularis Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UCD132723  Ulmus minor Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park. Growing near Grist Mill. 106 Comment
  CDA15405  Umbellularia californica G. F. Hrusa 1997-2-3 13618 Napa North Coast Biodiversity Arena; Slopes on SW margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Comment
  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
  HSC24895  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa Hwy. 128 W of Lake Hennessey Comment
  POM202744  Umbellularia californica I. L. Wiggins 1932-3-12 5754 Napa Bank of N Fork of Napa River, 1 mile N of Calistoga. Comment
  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
  HSC81865  Uropappus lindleyi Thomas W. Nelson, Jane P. Nelson 1980-5-3 5144 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS106871  Uropappus lindleyi Jake Ruygt 1982-3-20 1137 Napa Campbell Flat, Mt.St.John 323 Comment
  JEPS35616  Uropappus lindleyi Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  UCD18100  Uropappus lindleyi Ellen Dean; with PLB 102 class 2000-4-29 756 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  JEPS35638  Uropappus lindleyi W. L. Jepson 1896-6-2 Napa Napa Valley Comment
  CAS-BOT-BC404188  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1617 Napa Anguin Meadows just west of shopping center Comment
  RSA394836B  Vaccinium macrocarpon C. M. Knapp 1981-4-12 s.n. Napa Southwest of North Columbia, in hydraulically mined area. 854 Comment
  UC9794  Vancouveria planipetala Willis L. Jepson 1894-5-1 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  JEPS11172  Verbascum blattaria W. L. Jepson 1936-6-2 17607 Napa near bridge on road to Sanitarium St. Helena (banks of Napa River); banks of Napa River Comment
  JEPS11197  Verbascum thapsus W. L. Jepson 1930-10-19 15706 Napa bed of Conn Creek at mouth of Sage Canyon (Napa Valley); , bed of Conn Creek at mouth Sage Canyon Comment
  JEPS110893  Verbena lasiostachys var. lasiostachys Jake Ruygt 1988-6-4 2209 Napa south slope of Mt. St. Helena 694 Comment
  JEPS110737  Verbena lasiostachys var. scabrida Jake Ruygt 1979-7-28 780 Napa 2 miles north of fire trail up Mt. St. Helena on HWY 29 487 Comment
  JEPS110576  Veronica anagallis-aquatica Jake Ruygt 1989-6-25 2386 Napa Napa River N of Trancas St., Napa 1 Comment
  SD211701  Veronica catenata Barbara Ertter, Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey, ca. 15 airmiles northnorthwest of Napa on Conn Creek in North Coast Ranges, below spillway on north side of Route 128. 91 Comment
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  UCD35332  Veronica persica Beecher Crampton 1955-5-16 2796 Napa 8.5 miles west of Winters, just west of the Monticello Dam site. Comment
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Mar 30 2009
  UCD83427  Vicia americana subsp. americana Jake Ruygt 1987-5-9 1981 b Napa N of Catalpa Drive, Circle Oaks. 396 Comment
  RSA0015487  Vicia americana subsp. americana Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD49038  Vicia lutea M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 17 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UCD168572  Vicia sativa Stephen P. Rae; A. Solomeshch 2007-3-19 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD167014  Vicia sativa subsp. nigra Jake Ruygt 1982-4-29 1207 Napa Suscol Plain east of Kaiser Steel. 4 Comment
  SEINET9330677  Vicia villosa Unknown 1996-3-1 29 Napa On NE side of Knoxville Road on SW side of Lake Bereyessa. Disturbed, roadside area, full sun, little moisture, dominant species Vicia villosa. Comment
  CHSC25104  Vicia villosa subsp. varia J. E. Beitler 1970-4-19 26 Napa St. Helena. At the base of the dam of lower Spring Mountain Reservoir ca. 75 yds. E. of Spring Mountain Road. Comment
  UCD48004  Vicia villosa subsp. villosa A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 26 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  JEPS110806  Viola douglasii Jake Ruygt 1978-3-12 239 Napa .6 mil