Search Results — 2000 specimen records retrieved (1469 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA298948  Acer macrophyllum Edward Lee 1936-3-15 1805 Napa Rutherford, Pope Valley Road, 3/4 mile out of Rutherford Comment
  SEINET4326871 Image available Acer macrophyllum Unknown 1967-6-26 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD32973  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa Napa County, 2.5 miles east of Moskowite Corners, State Hwy. 128. Comment
  UCSB19170  Acer macrophyllum Rankine, Jane 1965-4-13 Napa 3 miles west of pope Valley on the road between rope Valley and Anqwin Comment
  RSA0045564  Achillea millefolium subsp. lanulosa Keith E. Hoffmaster 1946-3-23 s.n. Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC29756  Achyrachaena mollis David D. Keck 1931-4-3 1058 Napa 7 miles NW of monticello (1 mile above the mouth of Pope Creek) Comment
  UCD159936  Acmispon brachycarpus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD47970  Acmispon brachycarpus M. Carson; A. Haselby, J. Howard, P. Mayers 2000-4-29 5 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD48948  Acmispon glaber var. glaber K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Along West Rd., ca. 0.38 as the crow flies miles (1500 ft.) NW of jct, with S. Decker Canyon Rd. 237 Comment
  UCD75710  Acmispon strigosus Jake Ruygt 1980-4-1 965 Napa Stags Leap. 213 Comment
  UCD148810  Acmispon wrangelianus Ellen Dean; Diana Hickson 2014-4-29 8117 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD35290  Acmispon wrangelianus Beecher Crampton 1955-4-7 2434 Napa Napa County; 7.8 miles north of Monticello. Comment
  SEINET8205419  Adelinia grandis Robert C. Bechtel 1952-3-16 19 Napa Ptah Canyon. Comment
  RSA120809  Adenocaulon bicolor G. D. Barbe 1957-7-4 369 Napa 6.6 mi west of Hwy 29 and Napa on Redwood Rd., 0.6 mi NW of Christian Bros. Mt. LaSalle School. Comment
  CAS-BOT-BC133132  Adenostoma fasciculatum John H. Thomas 1955-5-21 5108 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD118633  Adenostoma fasciculatum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and just north of Recreation Flat, on south facing slope. 389 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
  CAS-BOT-BC68994  Adiantum aleuticum Peter H. Raven 1957-5-5 10769 Napa Hills at western edge of Calistoga 182 Comment
  CAS-BOT-BC65668  Adiantum jordanii John H. Thomas 1955-5-21 5149 Napa Along State Highway No. 128, about 4.5 miles south of Monticello 167 Comment
  CHSC43508  Adiantum jordanii Lowell Ahart 1976-3-7 1022 Napa About 1/10 mile south-east of the road, about 2 miles south-west of the Monticello Dam. 152 Comment
  RSA491726  Adiantum jordanii James L. Reveal 1987-6-7 6397 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 610 Comment
  UCD48359  Adiantum jordanii Kook-Hyun Chung 2001-4-28 2 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) NW of jct with South Decker Canyon Rd. 53 Comment
  UC199989  Adiantum jordanii C. F. Sonne April, 1895 Napa Soda Springs Comment
  UCD137192  Adiantum jordanii D. H. Hartmann 1942-3-7 s.n. Napa in Green 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
  JEPS116552  Adiantum pedatum Jake Ruygt 2005-3-26 4711 Napa Marie Creek, below old dam. Mount George 7.5' Quad. Comment
  CDA7730  Aegilops triuncialis Robin Breckenridge 2008-5-5 PDR# 1313556 Napa Napa, Hwy 128, west of Monticello Dam, X Wraggs Canyon. 0 Comment
  UCD20431  Aegilops triuncialis E. Dean; w/ PLB 102 class 2002-5-4 1019 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 upper road leading to powerlines, steep, N-facing slope. 286 Comment
  UC917208  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa 12 mi w Winters; Putah Creek Canyon Comment
  UCD19342  Agoseris grandiflora M. A. Bibbo; E. Dean 2001-7-6 35 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  UCD69067  Agoseris grandiflora P. Rodriguez-Rojo 1997-5-31 Napa Lower Chiles Valley Rd. Roadcuts, serpentine soils. UTM: 10SEN6261 240 Comment
  RSA43330  Agoseris grandiflora Thomas H. Kearney 1948-5-22 s.n. Napa Roadside near Napa Comment
  CAS-BOT-BC29640  Agoseris grandiflora var. grandiflora Rimo Bacigalupi 1928-6-20 1863 Napa Howell Mt, 10 miles W of St Helena Comment
  CAS-BOT-BC29637  Agoseris grandiflora var. grandiflora P. H. Raven 1950-5-6 2009 Napa Near the place where the W branch of the Napa River meets route 29 approximately 1 mi N of Calistoga. 152 Comment
  UC164784  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1904-5-23 2089 Napa 1 1/2 mi below, on hillside Calistoga; Northern Coast Ranges of California, Napa Valley 243 Comment
  CAS-BOT-BC22751  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  JEPS104521  Agoseris heterophylla Jake Ruygt 1992-5-7 2938 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  UCD17974  Agoseris heterophylla Ellen Dean; Kate Mawdsley 2001-4-9 693 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UC165998  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-21 1602 Napa 3 to 4 mis e, (head of Moore's Cr) Angwin's; Howell Mt., Moore's Creek 426 Comment
  JEPS36384  Agoseris hirsuta Willis L. Jepson 1892-8-1 Napa Creston <illegible, may read breston> Comment
  UC194724  Agoseris hirsuta C. F. Sonne Apr 1888 Napa Comment
  JEPS104500  Agoseris retrorsa Jake Ruygt 1989-4-22 2269 Napa East of Highway 121 on Highway 128 (marker 26.81) Capell Valley 7.5' Quad. Comment
  UC1158122  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa head Moore's Creek (La Jota Plateau, 3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mt., head Moore's Creek 518 Comment
  RSA128661  Agrostis hallii P. H. Raven 1950-6-20 2354 Napa Napa Range between Conn Valley and Howell Mountain Comment
  UCD52553  Agrostis hallii var. pringlei P. B. Kennedy Date Unknown s.n. Napa 8 miles from Santa Rosa, Calistoga. Comment
  RSA113784  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga Comment
  UCD53041  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCR146401  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa Napa Valley, 3 miles south of Calistoga 99 Comment
  CAS-BOT-BC139017  Agrostis pallens Joseph P. Tracy 1905-7-5 2210 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  JEPS71139  Agrostis pallens W. L. Jepson 1936-7-2 17642 Napa Angwin Meadow Napa Range, Howell Mt. Comment
  POM126110  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Hills east of Calistoga 244 Comment
  RSA292972  Allium amplectens Reino Alava 1957-5-30 1019 Napa About two and seven tenths of a mile from Angwin, west side of Mt. Howell. Comment
  UCD20680  Allium amplectens J. D. Clark 1995-5-27 17 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Hwy 129. Trailhead begins on the east side of Hwy 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  CAS-BOT-BC461085  Allium amplectens Lester Rowntree 1938-5-16 s.n. Napa Alta Peack [Atlas Peak?], near Napa Comment
  CAS-BOT-BC462400  Allium bolanderi B. Crampton 1956-5-25 3477 Napa between Capell and Wooden Valley Comment
  CAS-BOT-BC466763  Allium cratericola John Thomas Howell 1931-4-4 6168 Napa Crater Country, Mt. St. Helena Comment
  HSC42404  Allium falcifolium Dale McNeal 1977-5-18 2033 Napa Small rd. cut on Hwy. 128, 0.2 mi. SE of the junction of Lower Chiles Valley Rd. Comment
  JEPS47592  Allium falcifolium W. L. Jepson 1915-4-23 6250 Napa Conn Valley Comment
  POM203719  Allium falcifolium J. T. Howell 1931-4-3 6140 Napa Pope Creek Canyon, Napa Range. Comment
  UC1278731  Allium falcifolium G. L. Stebbins Jr. 1948-5-9 3936 Napa on road to Napa 8 mi s Monticello (w side of Steel Canyon); Steel Canyon Comment
  UCD48255  Allium falcifolium A. Laffin; A. Randall, S. Holck 2002-4-13 3 Napa Napa Co, McLaughlin UC Reserve. North of Knoxville-Berryessa Road. Ca. 0.5 airline mile WSW of old town Knoxville. Volcanic rocky outcrop, ca. 100 yards upslope of road. 437 Comment
  CAS-BOT-BC469022  Allium falcifolium R. C. Barneby 1954-4-30 11336 Napa Conn Valley, near the slipway. Comment
  SEINET10532707  Allium falcifolium Morrison 1938-4-24 MORRISON 1355 Napa Abundant on serpentine outcrop with pinus sabiniana, quercus durata, ceanothus; .6 Miles w of knoxville on road from monticello to lower lake Comment
  SEINET187416  Allium falcifolium J. Morrison, A Carter 1938-4-24 1355 Napa 0.6 mi W of Knoxville on rd from Monticello to Lower Lake Comment
  SEINET5502060 Image available Allium falcifolium Sally Walker 1982-1 s.n. Napa 9.9 mi S. of Middletown Lake Co Comment
  HSC43914  Allium fimbriatum var. fimbriatum Robert M. Specht 1977-5-14 886 Napa Near junction of Develhead Rd. and Morgan Valley Rd. 463 Comment
  JEPS96556  Allium fimbriatum var. fimbriatum Dean W. Taylor 1998-5-20 16447 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  CAS-BOT-BC472783  Allium neapolitanum Alice Ackley 1957-3-30 s.n. Napa 2 miles east of Napa Comment
  CAS-BOT-BC472796  Allium neapolitanum Merrel Ackley 1956-4-1 s.n. Napa 2 miles east of Napa Comment
  UCD148830  Allium serra Ellen Dean; Diana Hickson 2014-4-29 8135 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  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
  CAS-BOT-BC284  Allocarya piperi Amos Arthur Heller; H. E. Brown 1902-4-25 5361 Napa Near Napa Comment
  CAS-BOT-BC170677  Alnus rhombifolia Peter H. Raven 1964-5-9 19053 Napa along dirt road 2 miles W of Aetna Springs Comment
  CAS-BOT-BC170678  Alnus rhombifolia Herman Knoche 1919-11-22 3068 Napa Laguna Resort. Napa Comment
  JEPS58642  Alnus rhombifolia W. L. Jepson Nov 26 1895-Nov 27 1895 Napa sw St. Helena; White Sulphur Springs Comment
  JEPS123022  Alopecurus pratensis Jake Ruygt 1998-4-18 3910 b Napa Pope Canyon Road north of Hardin Road intersection. Quad: Saint Helena. Comment
  JEPS123019  Alopecurus saccatus Jake Ruygt 1996-5-13 3664 Napa 0.9 mile south of Pope Canyon Road on Hardin Road. Quad: Saint Helena. Comment
  UCD19922  Amaranthus albus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 777 Napa Quail Ridge Reserve. Decker Canyon, stock pond on south side of canyon, south of old buildings in pine/ oak woodland. 167 Comment
  UCD47826  Amaranthus blitoides Mark Bibbo; Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  RSA755731  Amaranthus californicus Barbara Ertter, Elizabeth Neese 1988-10-2 7969 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  JEPS104547  Amaranthus cruentus Jake Ruygt 1990-11-3 2614 Napa .2 mile west of Carneros Avenue on HWY 12 36 Comment
  RSA92940  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near slaughterhouse Point, Napa River. 0 Comment
  UCD112864  Amelanchier alnifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD39199  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
Read comments
Jun 12 2012
  CAS-BOT-BC136746  Amelanchier utahensis John Thomas Howell 1940-5-19 15447 Napa Upper St. Helena Creek Comment
  JEPS16025  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley, Union Station Comment
  JEPS16026  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley Union sta.; Napa Valley Comment
  UC2061508  Ammi majus Dean G. Kelch 2016-7-9 16 .151 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  UC659018  Ammi majus Mildred E. Mathias 1937-7-23 1316 Napa roadside n. of Vallejo on rd. to Napa Comment
  UCD127162  Ammi majus R. Tofsrud Date unknown s.n. Napa location unknown. Comment
  CAS-BOT-BC177208  Amorpha californica var. napensis L. R. Abrams 1916-7-3 5778 Napa Road between Calistoga and Petrified Forest Comment
  CAS-BOT-BC177210  Amorpha californica var. napensis Peter H. Raven 1951-8-19 3845 Napa Near Lokoya 487 Comment
  JEPS107261  Amorpha californica var. napensis Jake Ruygt 1976-5-18 91 Napa 5.2 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments
Aug 15 2010
  JEPS35496  Amorpha californica var. napensis W. L. Jepson 1894-10-14 13582 Napa sw Calistoga; Rebecca Ranch 213 Comment
  RSA721588  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s.n. Napa Dry Creek Road about 100 yards east of the intersection with Wall Road, about five miles west of Oakville (just north of Yountville) Comment
  UC1199061  Amorpha californica var. napensis Joseph P. Tracy 1933-6-2 12467 1/2 Napa 5 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 457 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
  UCD161232  Amsinckia intermedia Jake Ruygt 1994-3-15 3316 Napa Chiles Canyon Road about 1 mile from Chiles Valley. (Coordinates estimated by label maker at UC Davis). 350 Comment
  UCD37577  Amsinckia intermedia Beecher Crampton 1955-4-7 2453 Napa At border with Solano and Yolo Counties, 7 miles west of Winters, 0.25 mile west of Recreation Beach of Putah Creek, Vaca Mountains, east facing slope of Cold Canyon. Comment
  UCD48650  Amsinckia intermedia Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along E-facing ridge leading up to research station, close to gate of reserve. 371 Comment
  JEPS61120  Amsinckia intermedia Willis L. Jepson 1893-1 21081 Napa Angivins Meadows; Napa River Basin, Howell Mountain, Napa Range Comment
  UCD161744  Amsinckia intermedia Jake Ruygt 1994-3-29 3342 Napa south side of Suscol Ridge in Jameson Canyon (Kirkland Ranch). 201 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
  UCD170350  Amsinckia lunaris Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 849 Napa Knoxville Wildlife Area, along Nevada Creek. 452 Comment
  UCD170192  Amsinckia lycopsoides Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 765 Napa Knoxville Wildlife Area, along Zim Zim Falls trail. 279 Comment
  UCD170834  Anagallis arvensis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD117440  Anagallis arvensis Alan P. Godlewski 1974-5-3 16 Napa west of Lake Berryessa, 30 yards from Highway 128. Comment
  UCD69016  Ancistrocarphus filagineus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD143048  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UCD143049  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UCD20919  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UCD54302  Angelica californica Mark Bibbo; w/ Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  CDA13136  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 1 of 3 Comment
  UC106458  Angelica tomentosa T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC127125  Angelica tomentosa Harley P. Chandler Sep 7 1906-Sep 14 1906 7119 Napa Howell Mountain, Alta Loma Ranch Howell Mountain; , Alta Loma Ranch 487 Comment
  UCD148106  Angelica tomentosa Jake Ruygt 1999-7-28 4213 Napa Sage Canyon Rd. near Conn Dam. 79 Comment
  UC20807  Angelica tomentosa Willis L. Jepson 1893-9-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  JEPS106552  Anisocarpus madioides Jake Ruygt 1976-5-14 73 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  UCSB6339  Anthemis cotula Keator, Glenn 1959-6-22 Napa Near southeast shore of Lake Hennessy, Napa Range Comment
  UCD56246  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, along Hwy. 53. Comment
  JEPS112547  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1989-6-3 2362 b Napa about 1 mile south of Monticello dam on Vaca Mtns. 402 Comment
  HSC83239  Antirrhinum virga D. M. Thompson 1983-6-16 334 Napa Napa/Lake Co. line, Twin Peaks Mine area along gravel road next to Bateman Creek, starting at junction of Oat Hill and Livermore Rds. 579 Comment
  UCD17990  Aphanes occidentalis Ellen Dean; with Plant Biology 102 class 2001-4-14 716 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  POM202741  Aphanes occidentalis I. L. Wiggins 1932-4-12 5763 Napa Hillside betw Franz Valley and Calistoga Comment
  UCR198092  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UC1199839  Apocynum cannabinum Herbert L. Mason 1942-9-29 12559 Napa ca. 1 mi. n. Rutherford (edge of Beaulieu Ranch) Comment
  CAS-BOT-BC392030  Aquilegia eximia John Thomas Howell 1933-8-27 11636 Napa Sage Canyon, Napa Range Comment
  CDA24648  Arabis glabra var. glabra R. Lawley 1967-7-1 Napa 1806 Jefferson, Napa. 0 Comment
  HSC92697  Arabis oregana D. L. Goforth 1980-4-10 426 Napa Devilhead Rd. at Cedar Creek 579 Comment
  UCD75841  Arabis oregana Jake Ruygt 1984-3-3 1501 Napa Devilshead Rd. near Cedar Creek. 542 Comment
  RSA470446  Aralia californica T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  SEINET11993676  Arbutus menziesii Unknown 1852-1 452 Napa no further locality Comment
  CAS-BOT-BC407751  Arceuthobium abietinum W. L. Jepson 1893-1-1 s.n. Napa Conn Valley, Napa River Basin Comment
  CAS-BOT-BC409911  Arceuthobium campylopodum John Thomas Howell 1926-10-3 2204 Napa Mt. St. Helena Comment
  JEPS40130  Arceuthobium campylopodum W. L. J. 1897-7-12 Napa Samuel's Springs Comment
  JEPS116549  Arctostaphylos canescens Jake Ruygt 2002-7-13 4442 Napa End of Redwood Road, Archer Taylor Preserve, Tin Cabin Trail. Sonoma 7.5' Quad. Comment
  JEPS38634  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14728 Napa near Signal Station; Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC23957  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12272 Napa Near 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-BC23988  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-5-4 11278 Napa Mt. St. Helena Comment
  CAS-BOT-BC23991  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12267 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC24017  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4564 Napa Crater Country, near Mt. St. Helena Comment
  JEPS48499  Arctostaphylos canescens subsp. canescens Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  RSA182020  Arctostaphylos canescens subsp. canescens W. L. Jepson 1893-4-25 14698 Napa Aux's Knob, west of St. Helena. Comment
  UC1120911  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1936-9-20 712 Napa Mt. St. Helena Calistoga Quadrangle 609 Comment
  CDA11263  Arctostaphylos crustacea G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11918 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  CAS-BOT-BC24864  Arctostaphylos glandulosa subsp. cushingiana Carl B. Wolf 1928-5-4 1861 Napa Upper slopes of Mt. St. Helena Comment
  RSA10632  Arctostaphylos glandulosa subsp. cushingiana C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  RSA633051  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24805 Napa On southeast side of Mt. St. Helena. 930 Comment
  UCD162097  Arctostaphylos manzanita Dylan O. Burge 2014-3-15 1495 Napa Mount Saint Helena. 760 Comment
  UCD20734  Arctostaphylos manzanita Ellen Dean; w/ Mark Bibbo 2002-6-17 1097 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along ridge trail that connects Dead Man's Hill and East Road, east of junction with North Decker Canyon Rd. 350 Comment
  CDA38702  Arctostaphylos manzanita T. C. Fuller 1962-3-27 7892 Napa Road to Lake Berryessa (Hwy 37), 3.8 miles north of Wooden Valley. 0 Comment
  CAS-BOT-BC38917  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1926-10-3 2198 Napa Summit of Mt. St. Helena Comment
  JEPS68362  Arctostaphylos manzanita subsp. elegans L. R. Heckard 1972-6-26 2996 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  CAS-BOT-BC24282  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-2-23 s.n. Napa Howell Mt. Napa River Basin. Comment
  CAS-BOT-BC38726  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7944 Napa Mt. St. Helena Comment
  CAS-BOT-BC38737  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1922-3-26 11113 Napa Mt. St. Helena Comment
  JEPS122804  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5114 Napa North end of Wall Road. QUAD: Rutherford. Comment
  UC521689  Arctostaphylos manzanita subsp. manzanita Joseph Andorfer Ewan 1933-9-17 8014 Napa Mt. St. Helena road 2 1/2 mi out Calistoga Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43845  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11759 Napa Mt. St. Helena Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga Comment
  CAS-BOT-BC43863  Arctostaphylos stanfordiana Alice Eastwood 1915-6-7 4696 Napa Mt. St. Helena Comment
  CAS-BOT-BC43868  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11089 Napa Calistoga Comment
  CAS-BOT-BC43871  Arctostaphylos stanfordiana Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena Comment
  CDA11908  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11714 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS38884  Arctostaphylos stanfordiana W. L. Jepson 1936-12-7 17992 Napa Four Corners Napa Range, Howell Mt. Comment
  SD60210  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa Hillside between Calistoga and Franz Valley Comment
  SJSU5727  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UC421586  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa along trail to summit Mt. St. Helena Comment
  CHSC106019  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeschch 2007-8-7 Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville Grade' road, ca. 3 miles north from Yountville. UTM: 10S, 649329, 4251184. 205 Comment
  JEPS106412  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1977-3-27 161 Napa Mt. St. Helena 853 Comment
  POM172065  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree s.n. Napa 7 miles east of Napa Comment
  POM301551  Arctostaphylos stanfordiana subsp. stanfordiana N. Hollister 1909-07 13 Napa Mt. George Comment
  RSA195289  Arctostaphylos stanfordiana subsp. stanfordiana Gilbert Muth 1967-4-9 608 Napa Aetna Springs to Callistoga Road. 671 Comment
  RSA51335  Arctostaphylos stanfordiana subsp. stanfordiana P. H. Raven 1950-4-15 1736 Napa Wooden Valley grade above Napa. 457 Comment
  UC2026413  Arctostaphylos stanfordiana subsp. stanfordiana Louis C. Wheeler 1952-8-30 6876 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  SEINET9336427  Arctostaphylos viscida Unknown 1994-4-8 11716 Napa Occasional in serpentine chaparral, dominated by Adenostoma and Quercus durata. Approx. 1/2 mi above Aetna Springs resort. Comment
  UCD52565  Arctostaphylos viscida Beecher Crampton 1964-10-8 7218 Napa Napa County; north end Capell Valley, slopes above Capell Creek, State Hwy. 128. Comment
  UCR43194  Arctostaphylos viscida L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  UCSB30734  Arctostaphylos viscida Kelly, Michael 1975-3-24 Napa Left side of road 15 mi. east of intersections of Highway 128 and 29 853 Comment
  JEPS106408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1996-2-24 3518 Napa NE of Big Basin, along Pocock Creek Rd. 426 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
  UC763112  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4915 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  JEPS81590  Arctostaphylos viscida subsp. viscida R. Raiche 1982-3-7 20211 Napa adjacent of Detert Reservoir (on Butts Canyon Road, hill on ne side of reservoir) Comment
Read comments
Sep 27 2012
  CAS-BOT-BC361309  Aristolochia californica Richard R. Halse 2013-3-27 8755 Napa Along State Hwy 128 ca. 5.3 miles E of its junction with State Hwy 121 at Moskowite Corners. 239 Comment
  CHSC20707  Aristolochia californica Robert A. Schlising 1964-3-25 2655 Napa California Coast Ranges. Jct Redwood Road and Browns Valley Road. Comment
  LA76972  Aristolochia californica Annetta M. Carter; 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 mi. out of Rurtherord on road to Pope Valley Comment
  UC6152  Aristolochia californica Mrs. D. O. Hunt 1899-2-27 Napa roadside near Lyman's Meadow, St. Helena St. Helena, Lyman's Meadow Comment
  UCD137821  Aristolochia californica Dean W. Taylor 1972-2-25 1334 Napa at the dam on Putah Creek, Lake Berryessa. 167 Comment
  CAS-BOT-BC400453  Aristolochia californica Laura Huffine 1929-4-1 s.n. Napa Berryessa Valley Comment
  UCD38611  Arnica discoidea Beecher Crampton 1956-5-25 3484 Napa Howell Mtns. Comment
  RSA88576  Arnica discoidea L. S. Rose 1954-5-24 54049 Napa Summit, Wooden Valley grade, 6 miles N E of Napa. Comment
  UCD161606  Arnica discoidea Jake Ruygt 1999-5-17 4159 Napa Wild Horse Valley Ranch, near Leoma Lakes. 429 Comment
  SEINET251850  Artemisia arbuscula subsp. arbuscula L. Shultz, J. Shultz 1986-9-20 10231 Napa Hills west of Calistoga 180 Comment
  JEPS104524  Artemisia californica Jake Ruygt 1979-11-24 798 Napa 2.3 miles north of Monticello Rd. on Atlas Peak Rd. 79 Comment
  JEPS104574  Artemisia douglasiana Jake Ruygt 1978-6-28 374 Napa 2.0 miles north of Browns Valley Rd. on Partrick Rd. 164 Comment
  JEPS36973  Artemisia douglasiana W. L. Jepson 1894-11-7 Napa Napa City Comment
  CAS-BOT-BC90780  Artemisia ludoviciana subsp. ludoviciana Dennis W. Woodland 1970-8-13 1618 Napa 100 yd. east of bridge at junction of Petrified Forest Road and highway 128; 1 mile north of Calistoga Comment
  SEINET6793899 Image available Artemisia pycnocephala Leila M. Shultz, John S. SHultz 1987-1 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  JEPS104548  Asclepias eriocarpa Jake Ruygt 1989-6-17 2383 Napa Garnett Creek at Silverado Trail 128 Comment
  UC22997  Asclepias fascicularis W. H. Brewer 1862-8-6 1321 Napa near Camp 84; Rag Canyon Comment
  RSA424722  Astragalus claranus Aaron Liston, M. Blumler, B. Grummer 1987-4-25 660 -1 Napa Napa Valley State Park. Comment
  CAS-BOT-BC178290  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  JEPS107251  Astragalus gambelianus Jake Ruygt 1993-4-12 3196 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  UCD148842  Astragalus gambelianus Ellen Dean; Diana Hickson 2014-4-29 8147 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  CAS-BOT-BC178293  Astragalus gambelianus H. D. Ripley; R. C. Barneby 1954-4-30 11230 Napa Conn Valley near the slip way. 91 Comment
  UCD75828  Astragalus gambelianus Jake Ruygt 1989-4-8 2249 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  CAS-BOT-BC193128  Astragalus rattanii var. jepsonianus Baker 1938-4-24 8938 Napa Near Pope Valley Comment
  JEPS100901  Astragalus rattanii var. jepsonianus Dean W. Taylor 1998-5-14 16434 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  UC604118  Astragalus rattanii var. jepsonianus Baker 1938-4-29 8938 Napa near Pope Valley; North Bay Counties, near Pope Valley Comment
  CAS-BOT-BC17533  Athysanus pusillus Alice Eastwood 1923-5-9 11752 Napa Mount St. Helena. Comment
  UCD18050  Athysanus pusillus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 602 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
  UCD74389  Athysanus pusillus Jake Ruygt 1977-4-3 171 Napa Green Creek east of Lake Berryessa. 259 Comment
  JEPS126099  Atriplex rosea Jake Ruygt 1991-9-21 2840 Napa Kennedy Park, north of the boat ramp. Napa 7.5' Qua. Comment
  CDA10913  Avena barbata G. F. Hrusa, M. Rejmanek 1993-5-15 11009 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC145928  Avena fatua Peter H. Raven 1954-2-22 6407 Napa Orchard at west end of Saint Helena. 60 Comment
  UCD19330  Baccharis pilularis M. A. Bibbo; E. Dean 2001-7-6 22 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.2 air miles from jct of W and E roads. 312 Comment
  SEINET9328438  Baccharis salicina Unknown 1995-4-10 12055 Napa Napa Comment
  CAS-BOT-BC16528  Barbarea orthoceras Betty H. Johnson 1958-6-15 641 Napa 0.25 mile above Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  UCD161752  Barbarea orthoceras Jake Ruygt 1996-4-12 3605 Napa Blue Ridge, north of Monticello Dam, Rockwell Gap area. 615 Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  UCD56792  Beckmannia syzigachne Rimo Bacigalupi 1947-4-13 2817 Napa 6 miles SE of Yountville. East side of Napa Valley. Along Silverado Hgihway. Comment
  UCD18172  Bellardia trixago Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  JEPS106877  Berberis aquifolium var. dictyota Jake Ruygt 1981-7-23 1081 Napa north of Berryessa Peak, Blue Ridge 731 Comment
  UCD164734  Berberis nervosa Jake Ruygt 2014-6-23 6016 Napa Sutro Ranch, Atlas Peak, Fir Canyon. 405 Comment
  JEPS106878  Berberis pinnata subsp. pinnata Jake Ruygt 1982-3-10 1127 Napa north of American Canyon on county line 280 Comment
  JEPS120400  Bergia texana Jake Ruygt 1998-12-7 4120 Napa About .15 miles west of boat ramp at Lake Hennessey. 94 Comment
  UCD148774  Beta vulgaris subsp. maritima Jake Ruygt 1991-9-14 2838 Napa Napa County; American Canyon, northwest of end of Mini Drive. 2 Comment
  JEPS18806  Blennosperma nanum var. nanum W. L. Jepson 1940-2-29 19498 Napa 4 mi se Yountville Comment
Read comments
Oct 4 2009
  JEPS110703  Boisduvalia densiflora Jake Ruygt 1969-12-31 4117 Napa Big Ranch Road about 1/3 mile south of El Centro Ave. Napa 16 Comment
  JEPS110705  Boisduvalia densiflora Jake Ruygt 1982-6-29 1348 Napa .3 miles south of Old Bale Mill on HWY 29 85 Comment
  JEPS121374  Bolboschoenus maritimus subsp. paludosus Jake Ruygt 1982-5-13 1247 Napa .5 miles south of Imola Ave.; south end of Jefferson St,, Napa Comment
  CAS-BOT-BC31396  Bolboschoenus robustus Peter H. Raven 1951-9-9 3900 Napa Slaughterhouse Pt. Napa River 0 Comment
  JEPS64002  Bolboschoenus robustus W. L. Jepson 1894-11-7 21219 Napa Napa Comment
  UC841023  Bolboschoenus robustus Milo S. Baker 1932-10-8 6039 Napa bank of Napa River at Cuttings Wharf; bank of Napa River at Cuttings Wharf Comment
  JEPS110603  Boschniakia strobilacea Jake Ruygt 1999-5-22 4167 Napa Livermore Ranch on road south of White Point. 826 Comment
  JEPS112548  Boykinia occidentalis Jake Ruygt 1979-6-28 722 Napa Milliken Canyon, south wall 121 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
  UCD16049  Brassica nigra C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 26 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb 12-24 m tall, flowers yellow. Comment
  CAS-BOT-BC36764  Brassica rapa Peter H. Raven 1953-3-29 5210 Napa 2 miles south of Calistoga. 106 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
  UCD57406  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa Northern Coast Ranges. Howell Mountain. At head of Moore's Creek, 3-4 miles east of Angwin's. La Jota Plateau. 518 Comment
  JEPS50491  Brodiaea elegans subsp. elegans Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9306 Napa along Conn Valley Road (0.8 mi e of its junction with Howell Mountain Road at upper end Conn Valley); upper end of Conn Valley 121 Comment
  CAS-BOT-BC484195  Brodiaea elegans var. elegans Alice Eastwood 1915-6-5 4648 Napa Calistoga on hills Comment
  CAS-BOT-BC484200  Brodiaea elegans var. elegans Belle Richardson Jackson 1930-6-8 s.n. Napa On old toll road below Patten's Mt. St. Helena region Comment
  JEPS129040  Brodiaea leptandra Jake Ruygt 2016-6-6 6276 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  CAS-BOT-BC486435  Brodiaea terrestris subsp. terrestris Peter H. Raven 1950-5-6 2023 Napa Sulpher flats and hot springs near Old Faithful Geyser midway between Rt. 28 and Rt. 29 about 2 miles N. of Calistoga. 182 Comment
  UCD95684  Bromus arizonicus Ellen Dean; with Clare Loughran 2011-5-20 7029 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD57978  Bromus carinatus Beecher Crampton 1956-5-25 3473 Napa Southeastern Capell Valley. Comment
  JEPS123013  Bromus carinatus var. carinatus Jake Ruygt 1990-5-16 2549 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  UCD149688  Bromus carinatus var. carinatus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD17977  Bromus carinatus var. carinatus Ellen Dean; with Plant Biology 102 class 2001-4-14 702 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
  HSC43959  Bromus hordeaceus Robert M. Specht 1977-4-19 690 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD159943  Bromus hordeaceus 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
  UCD58629  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3542 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC155330  Bromus laevipes Peter H. Raven 1952-5-31 4151 Napa West of Rector Dam. 182 Comment
  UCD32919  Bromus laevipes Beecher Crampton 1965-6-17 7409 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD58877  Bromus laevipes Beecher Crampton 1956-5-25 3456 Napa Head of Markley Canyon. Vaca Mtns. Comment
  UCD121177  Bromus rubens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7357 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  CDA31292  Bromus sterilis D. G. Kelch 2010-5-6 10 .178 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CAS-BOT-BC233996  Calandrinia breweri Peter H. Raven 1953-4-2 5288 Napa Burn e. of Tulucay Creek 426 Comment
  JEPS112603  Calandrinia breweri Jake Ruygt 1989-4-8 2257 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS112605  Calandrinia ciliata Jake Ruygt 1979-3-5 438 Napa Trefethen Vineyards 30 Comment
  UC146150  Callitriche marginata Joseph P. Tracy May 15 1903-May 18 1903 1870 Napa Napa Valley near Calistoga; Northern Coast Ranges 91 Comment
  CHSC83372  Calochortus amabilis L. P. Janeway; B. Castro 2002-5-12 7550 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  HSC45356  Calochortus amabilis R. York 1978-4-8 103 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  POM169353  Calochortus amabilis Joseph P. Tracy 1902-5-15 1480 Napa Head of Moores Creek, 3-4 mi E of Angwins. 366 Comment
  SEINET3884897  Calochortus amabilis Daphne K. Christopher, Hannah I. Stevens; Mark Bibbo 2003-4-12 156 Napa Uc Davis, Stebbins Cold Canyon Reserve. Near main trailhead.; 0 166 Comment
  UC1134510  Calochortus amabilis A. Lewis 1932-5-18 96 Napa Dry Creek Napa Quad. 152 Comment
  UC1300907  Calochortus amabilis Helen K. Sharsmith 1963-4-20 5344 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 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
  UCD48263  Calochortus amabilis Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 3 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
  CAS-BOT-BC488483  Calochortus amabilis David D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE, of Napa. 170 Comment
  CAS-BOT-BC488496  Calochortus amabilis Betty H. Johnson 1959-6-8 606 Napa In meadow near St. Helen River 2.4 mi. S.W. of Middletown. Comment
  RSA145271  Calochortus amabilis Simonds 1928-05 SN Napa Browns Valley. Comment
  RSA52662  Calochortus amabilis I. L. Wiggins 1949-4-30 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  UC917115  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa n side Putah Canyon Comment
  UCD139528  Calochortus luteus A. Amezcua 1995-5-26 25 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  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-BC492542  Calochortus luteus David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  IRVC19763  Calochortus luteus Anne E. Justice 1981-4-27 s.n. Napa 8.5 miles from Winters on Hwy 128, 1.5 mi before Monticello Dam. Comment
  RSA222009  Calochortus luteus W. C. Merrill 1895-05 s.n. Napa Calistoga Comment
Read comments
Jan 23 2011
  RSA49079  Calochortus luteus Verne Grant, Alva Grant 1949-5-22 8723 Napa Along Wooden Valley Road ca. 18 miles from Napa Comment
  UCD164687  Calochortus superbus L. P. Thibault 1995-6-2 64 Napa East side of lower Chiles Valley Road, 0.5 miles northwest of Highway 128. 300 Comment
  UCD166651  Calochortus superbus Jake Ruygt 1989-6-3 2356 Napa 1.1 miles south of Moscowite Corners on Monticello Rd. 240 Comment
  CAS-BOT-BC483610  Calochortus tolmiei Ira L. Wiggins 1949-4-30 12092 a Napa Mount St. Helena near Lake County Line Comment
  CAS-BOT-BC483613  Calochortus tolmiei L. R. Abrams 1928-5-4 12291 Napa 4 miles south of Middletown Comment
  JEPS17769  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley 91 Comment
  UC1112208  Calochortus uniflorus Peter H. Raven 1957-5-5 10736 Napa Calistoga, field near the hot springs at the airport Calistoga Comment
  UC1876225  Calycadenia fremontii Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Rd., 11.3 mi SW of Berryessa-Knoxville Rd. Via Devilhead Rd. Comment
  UC1876226  Calycadenia fremontii Gerald D. Carr 1972-8-21 728 Napa 2.4 mi e of Butts Canyon Rd. on Snell Valley Rd. 182 Comment
  JEPS122696  Calycadenia multiglandulosa Jake Ruygt 1982-7-18 1373 Napa Deer Park Road at Four Corners. Quad: St. Helena. Comment
  SEINET3147523  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  CAS-BOT-BC270612  Calycadenia multiglandulosa Edward Lee Greene 1881-6-1 s.n. Napa Calistoga Comment
  UC935693  Calycadenia multiglandulosa D. D. Keck 1933-7-1 2467 Napa 2 mi SW of Pacific Union College Howell Mountain 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-BC270820  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 0.25 mile W of Berryessa - Knoxville Road on Highway 128 Comment
  CAS-BOT-BC270823  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 ? Napa 0.8 mile NW of Knoxville on Morgan Valley Road 457 Comment
  CAS-BOT-BC270831  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles S of Snell Valley Road Comment
  RSA255521  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road 183 Comment
  UC1876240  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Rd., 10.0 mi SW of Berryessa-Knoxville Rd. Via Devilhead Rd. Comment
  UCD129850  Calycadenia pauciflora Gerald D. Carr 1972-9-14 734 Napa 1.5 miles east of Howell Mountain Road on Conn Valley Road. 121 Comment
  UCD63170  Calycadenia pauciflora Jake Ruygt 1992-7-11 3087 Napa Mead Ranch, Atlas Peak Rd. 475 Comment
  UC1876642  Calycadenia truncata Gerald D. Carr 1971-11-6 686 Napa 0.8 mi S of Angwin on Howell Mt. Rd. Comment
  CAS-BOT-BC271551  Calycadenia truncata subsp. truncata C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC271574  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271526  Calycadenia truncata subsp. truncata Roxana S. Ferris 1941-9-28 10639 Napa Eastern edge of Napa Valley along Conn Creek near St. Helena Comment
  CAS-BOT-BC271555  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC271560  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC90958  Calycanthus occidentalis Severin A. Baumann 1953-7-5 20 Napa Edge of Highway 29 about 2 miles south of Calistoga. 45 Comment
  LA204508  Calycanthus occidentalis Joseph Andorfer Ewan; 1934-4-30 8850 Napa near White Cottages below Pope Valley Comment
  RSA491725  Calycanthus occidentalis James L. Reveal 1987-6-7 6395 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 610 Comment
  SD147998  Calycanthus occidentalis C. Osuga 1992-5-29 21 Napa Highway 121, Wooden Valley Road junction. 305 Comment
  UC126481  Calycanthus occidentalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7133 Napa Alta Loma Ranch; Howell Mountain 487 Comment
  UCR74386  Calycanthus occidentalis G. Fred Hrusa 1988-5-12 5601 Napa North Coast Range, Pope Creek, c. 2 mi east of jct of Pope Valley Rd. and Chiles Valley Rd. 244 Comment
  UC1197876  Calystegia collina subsp. collina Joseph P. Tracy 1902-5-17 1520 Napa on hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, , Moore's Creek 365 Comment
  UCD164750  Calystegia collina subsp. collina Jake Ruygt 2014-5-28 5962 Napa Oat Hill Mine Road east. 424 Comment
  UCSC009027  Calystegia collina subsp. collina Dylan M. Neubauer 2015-4-24 129 Napa (NCoRI) Dirt road abutting drainage flowing S/N on S side Chiles-Pope Valley Road 301 Comment
  UCD167154  Calystegia occidentalis Jake Ruygt 2015-5-13 6102 b Napa East of Zim- Zim Creek parking lot. 350 Comment
  UCD160744  Calystegia occidentalis subsp. fulcrata Ellen Dean 2015-5-23 8796 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. 249 Comment
  UCD161217  Calystegia occidentalis subsp. occidentalis Jake Ruygt 1980-6-22 937 Napa 1 mile N of Snell Valley Rd. on Butts Canyon Rd. 207 Comment
  SJSU8780  Calystegia purpurata J. C. Gibbany 1960-4-30 83 Napa Redwood Rd, 7 mi NW of Napa Comment
  RSA52706  Calystegia purpurata I. L. Wiggins 1949-4-30 12080 Napa Along old toll road between Calistoga and Middletown. Comment
  JEPS61539  Camassia quamash subsp. quamash Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  JEPS122732  Camissonia contorta Jake Ruygt 1991-5-4 2637 Napa Between Fawn Lake and Granite Lake Friesen's Lakes. Quad: St. Helena. Comment
Read comments
Jun 18 2018
  POM66475  Camissonia ovata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD20461  Camissoniopsis hirtella R. Brush; w/ A. Atamian, C. Owens, S. Olmstead, M Furuyama 2000-4-29 14 Napa Yolo County/ Napa County line: McLaughlin UC Reserve. Four 'as the crow files' miles N of old town of Knoxville. 640 Comment
  SEINET10463865  Campanula angustiflora Lincoln Constance 1946-5-18 Constance 3045 Napa Southeast slope of Mount St. Hellena, near the old inn Comment
  JEPS101436  Campanula griffinii Dean W. Taylor 1998-6-18 16676 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  JEPS33875  Campanula griffinii D. E. Breedlove 1963-5-29 5047 Napa 8 mi s Pope Valley Comment
  UC169031  Campanula griffinii Joseph P. Tracy 1905-7-5 2209 Napa on hills at head of Moore's Creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain 365 Comment
  CAS-BOT-BC37586  Cardamine californica John Thomas Howell 1931-4-4 6162 Napa Near Toll House, Mount St. Helena Region. Comment
  SEINET3165956  Cardamine californica var. californica C. D. Bailey 2008-3-19 258 Napa East of the town of Napa along Combsville Rd. Right turn onto Green Valley Rd. and ca. 1 mile up Green Valley Rd. Small population on uphill side of the rd (NW). More populations growing along Wild Horse Valley Rd. a short distance away. 122 Comment
  JEPS53381  Cardamine californica var. integrifolia Willis L. Jepson 1893-3-13 32 e Napa St. Helena , St. Helena (Napa River Basin) Comment
  POM369327  Cardamine californica var. integrifolia Dr H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. Comment
  UCD17985  Cardamine oligosperma Ellen Dean; with Plant Biology 102 class 2001-4-14 711 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  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
  JEPS53318  Cardaria draba John Thomas Howell 1926-4-3 1781 Napa near Yountville Comment
  CDA6880  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 Napa State Highway 53 to Middletown, 2.5 miles north of Calistoga. 0 Comment
  UCD159927  Carduus pycnocephalus subsp. pycnocephalus 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-BC17798  Carex amplifolia Betty H. Johnson 1958-6-20 677 Napa 0.5 mile up old toll road above Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  JEPS121332  Carex aquatilis var. dives Jake Ruygt 2006-4-15 4982 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  JEPS75641  Carex barbarae W. L. Jepson 1936-5-30 17560 Napa Rutherford, Napa Valley Comment
  UCD83856  Carex barbarae Ellen Dean; Kate Mawdsley 2010-4-30 5944 c Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. Riparian woodland along Fagan Creek, paralleling Kirkland Ranch Rd. 68 Comment
  SEINET7551520 Image available Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa Northwest Napa. Comment
  UCD140158  Carex bolanderi G. F. Hrusa; M. Tu 1995-5-6 12160 Napa Moores Creek in Las Posadas State Forest. 500 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-BC35075  Carex densa Peter H. Raven 1951-6-24 3017 Napa Brown's Valley. 91 Comment
  UCD167142  Carex densa Jake Ruygt 2015-5-2 6087 Napa West of Buck Mountain near Nevada. 599 Comment
  UCD161514  Carex densa Jake Ruygt 1990-4-7 2463 Napa Veteran's Peak, at homestead. 231 Comment
  UCD161534  Carex densa Jake Ruygt 1990-4-14 2482 Napa Wooden Valley, north end of Wild Horse Valley Ranch. 195 Comment
  JEPS121324  Carex feta Jake Ruygt 1992-5-20 2990 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Comment
  JEPS63727  Carex feta W. L. Jepson 1918-6-24 7666 Napa half way to tollhouse from Calistoga; Mt. St. Helena, Silverado 109 Comment
  UCD161708  Carex feta Jake Ruygt 2010-6-26 5658 -b Napa Las Posadas State Forest, near public road. 518 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
  UCD121154  Carex multicaulis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7351 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  CAS-BOT-BC119512  Carex nudata Ella D. Cantelow 1939-4-8 2501 Napa 3.5 mi NW of Knoxville. Comment
  CDA13209  Carex nudata G. F. Hrusa, M. J. Geitner 1996-4-2 12823 Napa North Coast Biodiversity Arena; MonteSol Ranch, +/- 10 mi. S of Middletown (Lake Co.). Monte Sol Creek. Comment
  UCD73496  Carex nudata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD161584  Carex nudata Jake Ruygt 2008-4-12 5290 Napa Zim-Zim Creek, downstream of falls about 3/4 mile. 268 Comment
  UC2043155  Carex praegracilis Barbara Ertter with Jake Ruygt 1996-4-25 14603 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  POM118372  Carex serratodens Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD20759  Carex tumulicola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 109 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UCD161757  Carex tumulicola Jake Ruygt 1997-4-8 3826 Napa Napa Valley: east end of Taplin Road, Heitz Cellars. 103 Comment
  CDA6964  Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa F. J. Tamangi property, west of Silverado Trail, 0.5 mile north of Larkmead Lane, ca. 2 miles southeast of Calistoga. 0 Comment
  OBI4705  Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa F.J. Tamangi prop, W of Silverado Trl, 0.5 mi N of Larkmead Ln, ca 2 mi SE of Calistoga Comment
  UCD149566  Carya illinoinensis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC249079  Castilleja affinis Peter H. Raven 1964-5-9 19051 Napa Along dirt road 2 miles west of Aetna Springs Comment
  POM203724  Castilleja affinis J. T. Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  UC1281079  Castilleja affinis subsp. affinis H. E. McMinn 1923-5-25 959 Napa between Rockville and Wooden Valley; Suisun Creek Comment
  JEPS86593  Castilleja affinis subsp. neglecta L. R. Heckard with Jake Ruygt 1987-5-10 6663 Napa ne of Vallejo (on n side of American Canyon Ridge, ca 0.25 mi ne of quarry); American Canyon Ridge Comment
  UC27153  Castilleja ambigua subsp. ambigua Ferd. L. Clark 1892-1 Napa near Yountville Comment
  JEPS84872  Castilleja ambigua var. meadii Jake Ruygt 1986-5-18 1777 Napa ne of Napa (Atlas Peak road, upper end of Milliken Canyon); Milliken Canyon 448 Comment
  JEPS57375  Castilleja applegatei subsp. martinii L. R. Heckard and T. I. Chuang 1968-6-18 1941 Napa 1 mi below Ink Grade junction with Howell Mt. road (Ink Grade, ne of Angwin) 457 Comment
  JEPS103916  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7835 Napa Near summit between Calistoga and Middletown. Comment
  JEPS35586  Castilleja applegatei subsp. martinii L. R. Heckard 1964-6-11 1368 Napa just above Hanley's Resort (on the grade over se flank of Mt. St. Helena, along Calif Hwy 29); Mt. St. Helena 609 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
  JEPS5853  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa 10 mi w Winters (In Putah Canyon above Recreation Beach); Putah Canyon 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
  UC1012334  Castilleja applegatei subsp. martinii F. W. Pennell and H. L. Mason 1940-5-21 25479 Napa s of Calistoga (Route 29) 152 Comment
  UCD17965  Castilleja attenuata Ellen Dean; Kate Mawdsley 2001-4-9 684 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCSB7453  Castilleja attenuata Kamb, Peter; Chisaki, Francia 1950-4-22 Napa 3.2 miles west of junction of the road with California Highway #37 213 Comment
  JEPS110628  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-5-14 309 Napa .3 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS21807  Castilleja densiflora subsp. densiflora Margaret Whitmore 1958-4-11 42 Napa 2 mi n Napa (on Atlas Peak Road) 16 Comment
  JEPS9409  Castilleja densiflora subsp. densiflora Willis L. Jepson 1893-4-27 21376 Napa Napa City Napa River Basin Comment
  SEINET903093  Castilleja exserta Richard R. Halse 1989-1 3834 Napa Along State highway 28, on the Calistoga Grade, 2.7 miles north of Calistoga. 240 Comment
  UCD48224  Castilleja foliolosa R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 7 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD48226  Castilleja foliolosa C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 16 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  JEPS110656  Castilleja minor subsp. spiralis Jake Ruygt 1982-3-10 1125 Napa north side of American Canyon 128 Comment
  UC147875  Castilleja minor subsp. spiralis J. P. Tracy 1905-7-6 2231 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UC765676  Castilleja minor subsp. spiralis R. F. Hoover 1938-9-23 3860 Napa canyon of south fork of Butts Creek Comment
  JEPS110678  Castilleja rubicundula subsp. lithospermoides Jake Ruygt 1981-5-3 1008 Napa American Canyon E of Flosden Road 21 Comment
  JEPS10645  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1887 Napa Comment
  SEINET13946230 Image available Ceanothus Joseph Andorfer Ewan 1934-1 8862 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade. Comment
  UC80037  Ceanothus confusus C. C. Parry 1881-1 Napa Calistoga Comment
  CDA11901  Ceanothus cuneatus G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 A Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UCD19322  Ceanothus cuneatus M. A. Bibbo; E. Dean 2001-7-6 14 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a W facing slope. 228 Comment
  JEPS42084  Ceanothus cuneatus var. cuneatus W. L. Jepson 1910-3-28 4022 Napa sw Rebecca Ranch grade (Calistoga) Comment
  RSA755233  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 DOB 899 c Napa Vaca Mts.: on E-W trending ridge S of East Mitchel Canyon, 15.2 road miles W of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 degrees true ENE of Rutherford. 270 Comment
  CAS-BOT-BC49805  Ceanothus divergens H. E. McMinn 1922-3-27 49 Napa Mt. St. Helena Comment
  CAS-BOT-BC64436  Ceanothus divergens Rimo Bacigalupi 1926-3-28 1270 Napa Between 1st and 3rd summit Mt. St. Helena. Comment
  OBI10254  Ceanothus divergens Milo S. Baker 1941-6-30 10159 Napa Along hwy to Howell Mt N road from Silverado Trl Comment
  POM273093  Ceanothus divergens Milo S. Baker 1939-3-22 s.n. Napa 1.1 mile west of Calistoga-Napa Hwy 1 at a point 1.1 mile south of Calistoga at upper end of small fruit ranch Comment
  POM85919  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  JEPS42390  Ceanothus foliosus W. L. Jepson 1894-10-14 14020 a Napa near Calistoga (Rebecca Ranch grade) Comment
  UC1005687  Ceanothus foliosus Frank W. Gould 1939-4-6 597 Napa 5 mi e Napa (just n of Mt. George.) 228 Comment
  UC18326  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa below New Eden Howell Mt., Napa River Basin Comment
  UC18330  Ceanothus foliosus Willis L. Jepson 1893-5-4 Napa trail to first summit of Mt. St. Helena Napa River Basin Comment
  UC870558  Ceanothus foliosus Alice Eastwood and John Thomas Howell 1939-6-11 7430 Napa hills to w Calistoga Comment
  UCR43196  Ceanothus foliosus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  CAS-BOT-BC50917  Ceanothus foliosus var. foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi. sw. of Angwin 243 Comment
  JEPS42434  Ceanothus foliosus var. foliosus W. L. Jepson 1924-4-6 10318 Napa Howell Mountain, Napa Range 914 Comment
  UCD82599  Ceanothus foliosus var. foliosus Ellen Dean; T. Starbuck 2009-5-4 5537 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCR220106  Ceanothus foliosus var. foliosus Ayzik Solomeshch, Stephen Rae 2007-7-8 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  RSA10662  Ceanothus foliosus var. vineatus Carl B. Wolf 1928-5-3 s.n. Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC50789  Ceanothus integerrimus H. E. McMinn 1922-1-1 388 Napa Between Aetna Springs and Middletown Comment
  UCD112497  Ceanothus integerrimus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  UCD169650  Ceanothus integerrimus Jake Ruygt 2015-6-20 6142 Napa Butts Canyon Road south of Snell Valley Road. 211 Comment
  UCD170257  Ceanothus integerrimus D. O. Burge 2016-10-22 2181 Napa Roadside on Butts Canyon Road. 300 Comment
  CAS-BOT-BC474707  Ceanothus jepsonii Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersection with Berryessa-Knoxville Road 140 Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  POM263486  Ceanothus jepsonii J. C. Roos 1939-2-28 306 Napa howell Mt. Napa Range Comment
  UCD118607  Ceanothus jepsonii William Goss; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 407 Comment
  UCD48145  Ceanothus jepsonii R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 15 Napa Northern Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  RSA52713  Ceanothus jepsonii subsp. albiflorus I. L. Wiggins 1949-4-30 12095 Napa Along old toll road between Calistoga and Middletown. Comment
  CAS-BOT-BC32694  Ceanothus jepsonii var. albiflorus John Thomas Howell 1931-4-3 6147 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs, Napa Range Comment
  CAS-BOT-BC51127  Ceanothus jepsonii var. albiflorus M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  HSC60306  Ceanothus jepsonii var. albiflorus J. P. Smith, J. O. Sawyer 1970-5-17 3783 Napa 8 mi. N of Pope Valley Comment
  UC1070780  Ceanothus jepsonii var. albiflorus A. Lewis May 1932 105 Napa Head Sarco Creek 396 Comment
  HSC103539  Ceanothus jepsonii var. albiflorus Thomas W. Nelson, Jane Nelson 1981-4-14 6381 Napa Along Devil Head Rd., at summit above Cedar Creek 579 Comment
  SBBG4518  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  UCD112309  Ceanothus oliganthus var. sorediatus Beecher Crampton 1970-4-15 8563 Napa North end of Capell Valley State Hwy. 128. Comment
  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-BC53182  Ceanothus parryi Lester Rowntree 1933-4-17 s.n. Napa Near St. Helena Comment
  CAS-BOT-BC53215  Ceanothus parryi David D. Keck 1931-4-2 1012 Napa Foot Wooden Valley Grade, west base of Napa Range, 4.5 miles NE of Napa 90 Comment
  CAS-BOT-BC53219  Ceanothus parryi Alice Eastwood 1923-5-9 11745 Napa Calistoga Comment
  CAS-BOT-BC53225  Ceanothus parryi John Thomas Howell 1931-4-2 6057 Napa Wooden Valley Grade 4.5 miles east of Napa Comment
  RSA182686  Ceanothus parryi D. D. Keck 1931-4-2 10112 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  RSA22301  Ceanothus parryi Joseph A. Ewan 1937-5-23 10329 Napa Summit trail of Mount St. Helena Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd Comment
  SBBG50604  Ceanothus parryi R. Beaver 1965-5-1 153 Napa St Hwy 128, ca. 10 mi N of jct with St Hwy 121 Comment
  UC80041  Ceanothus parryi Katharine Brandegee June 1889 21 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC917338  Ceanothus parryi R. L. Smith 1948-5-8 Napa 6 miles north of Aetna Springs, Pope Valley Comment
  UCD112492  Ceanothus parryi Beecher Crampton 1960-5-17 5540 Napa 6 miles west of Oakville. Comment
  UCD112503  Ceanothus parryi M. Van Rensselaer 1938-4-26 s.n. Napa Wooden Valley Grade. Comment
  SEINET12210841  Ceanothus parryi W. Knight, Knight, I. 1982-1 4490 Napa From Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC52187  Ceanothus purpureus H. E. McMinn 1923-5-25 964 g Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52195  Ceanothus purpureus Mrs. H. C. Hand 1913-6-8 s.n. Napa Napa mountains Comment
  CDA11156  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11567 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
  CDA11157  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11568 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
  CHSC106015  Ceanothus purpureus Ayzik Solomeschch; Stephen Rae 2007-7-8 Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. UTM: 10S, 565647, 4246590. 215 Comment
  JEPS110727  Ceanothus purpureus Jake Ruygt 1995-3-29 3412 Napa about 2 mi S of Sage Canyon Road across from boat ramp 457 Comment
  JEPS110728  Ceanothus purpureus Jake Ruygt 1987-3-21 1935 Napa ridge west of Circle Oaks 624 Comment
  JEPS42097  Ceanothus purpureus Willis L. Jepson 1893-9-21 14028 Napa Napa Range on Wooden Valley grade Napa River Basin Comment
  UC903053  Ceanothus purpureus Ethel Crum 1937-4-19 1775 Napa Mount George, Napa Range, six miles North of Napa 304 Comment
  UCD82601  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5539 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  POM202749  Ceanothus ramulosus I. L. Wiggins 1932-3-12 5766 Napa Hillside between Calistoga and Franz Valley. Comment
  CDA7076  Centaurea calcitrapa H. K. Wagnon 1967-8-2 Napa 2.4 miles south of Knoxville, Knoxville-Lake Berryessa Road. 0 Comment
  UC1220983  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort Wragg Canyon; Vaca Mtns., Lake Berryessa Comment
  UCSB45558  Centaurea calcitrapa Roos, John 1957-6-28 Napa Napa Comment
  JEPS44140  Centaurea solstitialis W. L. Jepson 1937-9-29 18572 Napa St. Helena (on road to sanitarium) St. Helena Comment
  JEPS122700  Centaurea virgata subsp. squarrosa Jake Ruygt with Aigner and Koehler Aug, 2005 4961 Napa Morgan Valley Road just north of road to Harrison Mine. Quad: Jericho Valley. Comment
  UC153976  Centaurium muehlenbergii Joseph P. Tracy 1905-7-6 2227 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  CDA14310  Centaurium tenuiflorum W. Ogden 1998-7-6 s.n. Napa North Coast Biodiversity Arena; Pope Valley Rd. 0 Comment
  JEPS46944  Centaurium trichanthum W. L. Jepson 1916-8-6 6836 Napa Howell Mt. Comment
  UC22688  Centaurium trichanthum H. N. Bolander 1863-1 2652 Napa Pope Valley Comment
  JEPS46952  Centaurium trichanthum W. L. Jepson 1894-7-19 14635 Napa above Calistoga Comment
  CAS-BOT-BC288605  Centromadia fitchii John Thomas Howell 1930-10-19 5611 Napa 1 mile E of Aetna Springs, Pope Valley Comment
  CAS-BOT-BC272822  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  CAS-BOT-BC279253  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 miles north of Vallejo Comment
  CDA10896  Cerastium glomeratum G. F. Hrusa, M. Rejmanek 1993-5-15 10991 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS51345  Cerastium glomeratum W. L. Jepson 1900-3-10 529 Napa near St. Helena Comment
  JEPS51346  Cerastium glomeratum Willis L. Jepson 1897-5-2 Napa Napa River Basin, Rebecca Ranch Grade Upper Napa Valley, Napa River Basin, Rebecca Ranch Grade Comment
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Aug 24 2010
  JEPS51366  Cerastium glomeratum W. L. Jepson 1910-3-28 4028 Napa Rebecca Ranch Grade s.w. of Calistoga Comment
  JEPS85037  Cerastium glomeratum Larry Heckard and Mary Ashton 1969-5-3 2197 Napa ca. 7 mi. n.e. Napa (Mead Ranch, off Atlas Peak Rd.); Mead Ranch 457 Comment
  JEPS107196  Cercis occidentalis Jake Ruygt 1994-3-26 3335 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 82 Comment
  RSA801719  Cercis occidentalis Keith E. Hoffmaster 1939-4-6 896 Napa Putah can. Comment
  SBBG29899  Cercis occidentalis E. Crum 1937-4-18 1787 Napa 11 mi N of Monticello on Knoxville Rd Comment
  UCD105654  Cercis occidentalis D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 330 Comment
  CAS-BOT-BC135482  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13063 Napa Wooden Valley Grade Comment
  UC903165  Cercocarpus betuloides var. betuloides Ethel Crum 1937-4-19 1776 Napa 6 mi n of Napa (Mount George); Napa Range, Mount George 304 Comment
  UC26097  Cestrum parqui unknown 1893-1 Napa Napa City Comment
  CAS-BOT-BC284568  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1931-4-19 6459 Napa Conn Valley Comment
  UCD161367  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1989-4-22 2285 Napa Northeast corner of Highway 128 and Berryessa Knoxville Road. (Coordinates estimated by label maker at UC Davis). 207 Comment
  CAS-BOT-BC284567  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills SW of St. Helena Comment
  JEPS106429  Chamaesyce nutans Jake Ruygt 1979-8-6 789 Napa .3 miles south of Oak Knoll Ave. on Solano Ave. 30 Comment
  HSC100736  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, ~100 yd. E of Eticuera Creek, ~50 yd. S of Eticuera Parking Area at the NE end of causeway, on S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  UC1130428  Chamaesyce serpyllifolia B. Schreiber 1936-9-20 2356 Napa 5 mi s Reiff 762 Comment
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Jun 7 2013
  UC1925871  Chamaesyce serpyllifolia Ethel Crum Oct 1930 912 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  UC52335  Chamaesyce serpyllifolia W. L. Jepson 1894-10-1 13932 Napa near Napa (State Hospital) Comment
  CAS-BOT-BC70163  Cheilanthes gracillima John Thomas Howell 1926-3-28 1763 Napa Summit of Mt. St. Helena Comment
  UCD20504  Cheilanthes intertexta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1075 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
  CAS-BOT-BC68161  Cheilanthes intertexta Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5340 Napa North side of Pope Creek between Samuels Springs and Walters Springs 243 Comment
  JEPS126100  Chenopodium album Jake Ruygt 1986-7-12 1870 Napa East bank of Napa River just east of confluence Tulocay Creek. Napa 7.5' Qua. Comment
  JEPS59695  Chenopodium ambrosioides Willis L. Jepson 1892-7 Napa Knoxville Grade to Lower Lake Comment
  JEPS106723  Chenopodium californicum Jake Ruygt 1989-4-22 2268 Napa east of HWY 121 on HWY 128 Comment
  UCD98466  Chenopodium vulvaria Irving Grover 1958-6-24 Napa exact location unknown. Comment
  CAS-BOT-BC498812  Chlorogalum pomeridianum Peter H. Raven 1952-5-31 4122 Napa Hills s.w. of Rector Canyon 152 Comment
  UCD48268  Chlorogalum pomeridianum var. pomeridianum C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 13 Napa Border of Yolo and Napa County, McLaughlin Reserve one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct.1999). 640 Comment
  CAS-BOT-BC238000  Chloropyron molle subsp. molle Gordon True; Catherine Best 1981-9-12 s.n. Napa At Logan Island Comment
  POM262795  Chorizanthe membranacea J. C. Roos 1939-5-6 294 Napa Near Three Peaks, Napa Range 915 Comment
  UCD159464  Cichorium intybus D. S. Park 2010-8-13 218 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  CAS-BOT-BC278020  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol Comment
  JEPS106932  Cirsium cymosum var. cymosum Jake Ruygt 1979-6-3 677 Napa Aetna Springs Rd. 438 Comment
  OBI76874  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  OBI76876  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  CAS-BOT-BC286573  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7427 Napa Hood Mt. Range sw. of Oakville Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD49178  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 12 Napa Quail Ridge UC Reserve, northern tip of ridge, in open grassy area N of power lines. 274 Comment
  RSA292923  Clarkia amoena subsp. huntiana Reino Alava 1957-5-30 981 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  UCD167270  Clarkia amoena subsp. huntiana Jake Ruygt 1997-5-18 3858 Napa Redwood Road near Mt. Veeder. 140 Comment
  SFV2476  Clarkia concinna H. E. Cott 1949-6-5 A-135 Napa North Coast Ranges Vaca Mountains. CA-Highway 128 near Monticello mouth of Putah Canyon. 125 Comment
  UCD104417  Clarkia concinna Vincent Chang 1966-5-7 26 Napa 13.8 miles NE of Rutherford on State Highway 128. 152 Comment
  CAS-BOT-BC172179  Clarkia concinna Peter H. Raven 1950-6-20 2365 Napa Above Conn Valley Comment
  SBBG4945  Clarkia concinna H. and M. Dearing 1939-4-30 3237 Napa above St Helena Comment
  POM271463  Clarkia concinna subsp. concinna Lyman Benson 1935-5-19 6662 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  JEPS43732  Clarkia gracilis subsp. albicaulis W. L. Jepson 1938-6-8 18888 Napa n Pope Valley (Butts Canyon); South Fork of Butts Creek Comment
  CAS-BOT-BC164628  Clarkia gracilis subsp. gracilis Peter H. Raven 1951-5-20 2842 Napa Hills w. Oakville 121 Comment
  CHSC83403  Clarkia gracilis subsp. gracilis L. P. Janeway; B. Castro 2002-5-12 7537 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  JEPS110766  Clarkia gracilis subsp. gracilis Jake Ruygt 1979-5-4 577 Napa Trefethen hillside property NW of Carell Lane 128 Comment
  CAS-BOT-BC164627  Clarkia gracilis subsp. gracilis Katharine Brandegee 1909-6-1 s.n. Napa Pope Val. Grade Comment
  SEINET4145437  Clarkia gracilis subsp. gracilis K. Brandegee 1909-6-1 s.n. Napa Pope Valley Grade Comment
  CAS-BOT-BC162480  Clarkia gracilis subsp. sonomensis Peter H. Raven 1950-6-28 2350 Napa Napa Range between Conn Valley & Howell Mtn. Comment
  UC1301109  Clarkia gracilis subsp. sonomensis Helen K. Sharsmith 1962-6-3 5117 Napa sw slope Mt. St. Helena (Old Toll Road); San Francisco Bay Region 609 Comment
  CAS-BOT-BC163691  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills w. Oakville 121 Comment
  JEPS43562  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1904-6-3 2431 Napa St. Helena to Howell Mt. Comment
  UCD160774  Clarkia purpurea subsp. quadrivulnera Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8653 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
  CAS-BOT-BC163689  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-24 3032 Napa Valley floor e. of Napa 60 Comment
  CAS-BOT-BC163825  Clarkia purpurea subsp. quadrivulnera Dr. E Goodman 1921-5-23 s.n. Napa Mt. St. Helena Comment
  JEPS43572  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1893-6-24 14341 Napa Napa Soda Springs Comment
  HSC71065  Clarkia purpurea subsp. viminea J. M. DiTomaso 1980-6-13 1582 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  CAS-BOT-BC164761  Clarkia rhomboidea Peter H. Raven 1951-5-26 s.n. Napa Howell Mtn just above Pope Valley Comment
  UCD169614  Clarkia unguiculata Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  POM215776  Clarkia unguiculata D. D. Keck 1933-5-29 2353 Napa Pope Creek bridge south of Walters Springs. Comment
  CDA12025  Claytonia exigua G. F. Hrusa 1990-3-19 7501 Napa North Coast Biodiversity Arena; Chiles Valley-Pope Valley Rd. Comment
  CHSC11355  Claytonia exigua subsp. exigua Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  CAS-BOT-BC439133  Claytonia exigua subsp. exigua H. L. Mason 1926-3-14 2716 Napa Mount St. Helena Comment
  JEPS48651  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi from St. Helena Inn Comment
  UC634937  Claytonia gypsophiloides H. L. Mason 1926-3-3 2716 Napa Mt. St. Helena Comment
  JEPS43334  Claytonia parviflora subsp. parviflora V. E. Ferguson 1920-4 320 Napa St. Helena and Carmel trips Comment
  CHSC59800  Claytonia perfoliata Carla de Leon 1975-5-4 20 Napa On mountainside facing Monticello Dam; just west of the county line on State Highway 128. 388 Comment
  UCD15051  Claytonia perfoliata Robert Giorgis 1977-5-16 4 Napa California, Napa Co.; ca. 300 m south of Highway 128, 6.4 miles southwest of Monticello Dam; Comment
  UCD20037  Claytonia perfoliata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1201 Napa South slope of Mt. St. Helena, in area where J.M. Tucker hybridized Quercus. Comment
  CAS-BOT-BC439943  Claytonia perfoliata subsp. mexicana Gilbert Muth 1967-4-28 650 Napa Spring Mountain Road, St. Helene [Helena] Comment
  UCD117482  Claytonia perfoliata subsp. perfoliata Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UC198905  Claytonia perfoliata subsp. perfoliata C. F. Sonne Mar 1884 Napa Napa Valley Comment
  CAS-BOT-BC92680  Clematis ligusticifolia H. E. McMinn 1922-8-1 384 Napa Unspecified. Comment
  UC766312  Collinsia greenei R. F. Hoover 1941-4-26 4918 Napa between Samuel Springs and Walter Springs (Pope Cr) Comment
  RSA10704  Collinsia heterophylla Carl B. Wolf 1928-5-3 1783 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. 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
  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
  CDA11323  Collinsia sparsiflora G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12029 Napa At entrance gate UC Quail Ridge Reserve. Comment
  SEINET13406371  Collinsia sparsiflora M. J. Williams 1967-5-7 s.n. Napa Pope Valley. 198 Comment
  UCD20036  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1202 Napa Mount Saint Helena, in area where J. M. Tucker hybridized Quercus. Comment
  CDA11334  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12044 Napa North Coast Biodiversity Arena; Above Highway 128. Comment
  JEPS77940  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3/4 mi from Rutherford (along Rutherford-Pope Valley rd) Comment
  UC1032605  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 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
  JEPS6320  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-26 21330 Napa Yountville; Napa River Basin Comment
  UC26644  Collinsia sparsiflora var. collina Willis L. Jepson 1893-4-28 Napa plateau n of Wooden Valley grade; Napa River Basin, Napa range Comment
  UC26552  Collinsia sparsiflora var. sparsiflora Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UCD116974  Collinsia sparsiflora var. sparsiflora Jillian Howard; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just NE of fire station along dirt road. 519 Comment
  UCD170150  Collinsia sparsiflora var. sparsiflora Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 736 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 Comment
  UCD48206  Collinsia sparsiflora var. sparsiflora A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 20 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting creek, on east-facing slope of 'Research Hill'. 655 Comment
  UC147867  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); Northern Coast Ranges, Napa Valley 91 Comment
  RSA304647  Collomia diversifolia D. H. Wilken 1973-5-6 11924 Napa Along Copell Creek, 4 miles N of Moskowite Corner, E of Red Mountain 305 Comment
  CAS-BOT-BC286035  Conyza canadensis Peter H. Raven 1951-8-19 3849 Napa Near Lokoya 487 Comment
  JEPS62599  Cordylanthus pilosus subsp. pilosus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 C Napa just s Napa and Lake County line (on US Hwy 29) Comment
  RSA128655  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1951-8-21 3864 Napa Ridge s.e. of Mt. Veeder. 671 Comment
  JEPS55934  Cordylanthus pilosus subsp. pilosus T. I. Chuang and F. M. Chuang 1968-7-24 6478 Napa 2.7 mi n Calistoga (on road bank, Hwy 29) Comment
  JEPS62604  Cordylanthus pilosus subsp. pilosus T. I. Chuang with Fei-Mei Chuang 1970-8-25 6841 Napa 1 mi nw St. Helena (on US Hwy 29) Comment
  RSA516551  Cordylanthus pilosus subsp. pilosus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-9 4750 Napa Grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort. 511 Comment
  JEPS62598  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 B Napa just s Napa and Lake County line (on US Hwy 29) Comment
  UC412933  Cornus glabrata H. P. Chandler 1907-5-30 7598 Napa St. Helena, White Sulphur Spring Comment
  UC142942  Cornus greenei Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
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Feb 20 2009
  JEPS50159  Cornus nuttallii W. L. Jepson 1924-4-27 10385 a Napa Mt. St. Helena Comment
  RSA397476  Cornus nuttallii Anonymous 1917-6-21 597 Napa Redwood Comment
  UC1280735  Cornus nuttallii H. E. McMinn 1936-4-4 4383 Napa Howell Mt. Bird Refuge Comment
  UCD13146  Cornus nuttallii Hilary Rypka 1981-5-2 34 Napa Napa CO. Mt. St. Helena. Highway 29, 7 miles southwest of Middletown. Elevation 3000'. 914 Comment
  CAS-BOT-BC180346  Corylus cornuta subsp. californica Peter H. Raven 1952-5-26 4047 Napa Howelll Mt. 426 Comment
  SEINET3151516  Corylus rostrata var. californica H. P. Chandler 1906-9-7 7156 Napa Alta Loma Ranch; Howell Mt. 549 Comment
  UC1198823  Crassula aquatica Joseph P. Tracy 1902-5-21 1609 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 518 Comment
  UCD149722  Crassula connata Stephen P. Rae; Ayzik Solomeshch 2007-3-14 Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  JEPS129133  Crassula tillaea Jake Ruygt 2014-4-22 5922 Napa North side of Soscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UC1746479  Crepis pulchra Jake Ruygt 1999-5-15 4158 Napa W of Napa (along Patrick Rd., cs 2 mi w of Browns Valley Rd.) 200 Comment
  JEPS31093  Crocanthemum scoparium var. vulgare W. L. Jepson 1938-5-20 18804 Napa slope above St. Helena Sanitarium (open slope above vineyard); Howell Mountain Comment
  UC1010750  Crypsis schoenoides Peter H. Raven 1951-10-28 3926 Napa Conn Lake; strand 152 Comment
  UC1950068  Crypsis schoenoides Barbara Ertter with Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  JEPS85017  Cryptantha flaccida Larry Heckard and Mary Ashton 1969-5-3 2227 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 510 Comment
  JEPS100375  Cryptantha hispidula Dean W. Taylor 2001-5-15 17651 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC78713 Image available Cryptantha hispidula C. F. Baker 1903-5-8 2966 Napa Knoxville; ; Knoxville, Napa Co. Comment
  UCD74373  Cryptantha hispidula Jake Ruygt 2004-5-8 4595 Napa Berryessay-Knoxville Rd., about 1.6 mi. north of Homestake tunnel. 640 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
  JEPS67651  Cryptantha intermedia W. L. Jepson 1938-5-25 18861 Napa Bell Canyon Napa Range, Howell Mt. 579 Comment
  JEPS106740  Cryptantha microstachys Jake Ruygt 1995-4-29 3452 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  UCD161605  Cryptantha microstachys Jake Ruygt 1999-5-15 4157 Napa north side of Ritchey Canyon, near Bothe State Park. 597 Comment
  UC857196  Cryptantha muricata M. S. Jussel 1937-5-23 Napa Palisades Comment
  JEPS88724  Cupressus macnabiana W. L. Jepson Jul 1897 Napa Samuel Springs to Middleton Comment
  UCD133528  Cupressus macnabiana D. Mattson 1969-10-18 9 Napa Knoxville Public Lands. 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
  SDSU1745  Cupressus sargentii D. F. Howe 1965-8-3 4105 Napa Just south of napa-Lake Co. line on state #29. 46 Comment
  UC1076281  Cupressus sargentii H. L. Mason 1926-1-2 2606 Napa Toll House Canyon Mt. St. Helena Comment
  UCD38720  Cupressus sargentii Beecher Crampton 1957-6-4 4101 Napa North end of Capell Valley. Comment
  NY16808  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10531547  Cupressus sargentii Mary Susan Taylor, E. Pierce 1981-5-17 Taylor 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi S of Lake County line. Comment
  JEPS116545  Cuscuta occidentalis Jake Ruygt 1997-6-28 3869 b Napa White Cliff Springs, east of Soda Valley (Sabini). Chiles Valley 7.5' Quad. Comment
  JEPS126095  Cuscuta pacifica var. pacifica Jake Ruygt 1981-7-20 1067 Napa Fagan's Marsh. Cuttings Wharf 7.5' Qua. Comment
  RSA13328  Cynoglossum grande C. B. Wolf 1928-2-25 1479 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD169892  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  UCD60160  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa 7 miles northeast of Napa, Howell Mountains, summit State Hwy. 37. Comment
  JEPS121348  Cyperus difformis Jake Ruygt 1987-9-24 2096 Napa Marina Drive, Napa. Comment
  JEPS64100  Cyperus eragrostis W. L. Jepson 1934-10-19 16901 Napa Napa R., St. Helena Comment
  UC579871  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  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
  JEPS129139  Cyperus squarrosus Jake Ruygt 1998-7-18 4096 Napa Bear Valley at pond. Detert Reservoir 7.5' Quad. Comment
  UC1563684  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa ca 15 air mi nnw Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UCSB61644  Cypselea humifusa Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; E of boat-launching ramp on SE edge 91 Comment
  HSC980  Cystopteris fragilis C. B. Wolf 1928-5-3 1842 Napa At the summit of the Mt. St. Helena Grade Comment
  SEINET893038  Cytisus canariensis David Lawfer 1952-1 154 Napa Napa. Comment
  JEPS122992  Danthonia californica Jake Ruygt 1982-5-4 1225 a Napa Suscol plain between Kaiser and Highway 29 (221). Quad: Napa. Comment
  UCD60520  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Pope Valley (the town). Comment
  JEPS81603  Delphinium R. Raiche 1982-3-7 20188 Napa on Chiles and Pope Valley Rd. 1.3 mi n Sage Canyon Road Comment
  LA38211  Delphinium hesperium G. Mehlquist; 355 Napa 6 mi. S of Monticello on road to Napa Comment
  LA38213  Delphinium hesperium G. Mehlquist; 358 Napa 8.4 mi. S.of Monticello on road to Napa Comment
  RSA0005311  Delphinium hesperium Joseph A. Ewan 1934-4-30 8835 Napa Ditch at edge of cultivated field along Steel Canyon Road, 1/2 mi. from junction with Monticello-Winters Road. 1 Comment
  JEPS120432  Delphinium hesperium subsp. hesperium Jake Ruygt 2010-6-21 5633 Napa Bear Valley on jeep road near Van Ness Canyon. Comment
  UCD48154  Delphinium hesperium subsp. pallescens R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 19 Napa Northern Napa Countym McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UC725545  Delphinium hesperium subsp. pallescens A. A. Heller 1941-5-16 16124 Napa along creek s Knoxville (roadside banks); Eticura Creek Comment
  UC906503  Delphinium hesperium subsp. pallescens J. Ewan 1934-4-30 8835 Napa 0.5 mi from jct Steel Canyon Rd and Monticello-Wingers Rd (along Steel Canyon Rd); ; Napa Co. Comment
  JEPS23353  Delphinium nudicaule Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Comment
  JEPS60596  Delphinium nudicaule Elizabeth Ferguson 1920-5-15 355 Napa near Toll House; Mt. St. Helena 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
  RSA155464  Delphinium nudicaule L. S. Rose 1961-3-30 61027 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  UC906516  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa 5 mi above Napa (side gulch); Sarco Creek Comment
  SEINET10762770  Delphinium nudicaule var. foliosum George Thurber Thurber 511 Napa Comment
  RSA195349  Delphinium patens Gilbert Muth 1967-5-19 697 Napa Milliken Dam. 335 Comment
  UCD32413  Delphinium patens Beecher Crampton 1950-5-7 568 Napa Napa County, east side of Napa Valley, along Silverado Trail, along roadside entering southern portion of Conn Valley. 68 Comment
  CAS-BOT-BC116487  Delphinium patens subsp. patens P. Raven 1950-4-15 1749 Napa Wooden Valley Grade, above Napa 457 Comment
  CAS-BOT-BC116494  Delphinium patens subsp. patens J. T. Howell 1931-4-2 6105 Napa Grassy meadow, 4 miles from Monticello on road to Napa, Napa Range Comment
  LA207609  Delphinium uliginosum J. Ewan; 1937-5-23 10360 Napa Lower Lake to Monticello road, 1.9 mi. S of Lake Co. line Comment
  UCD96582  Delphinium uliginosum Alva Day 1965-5-15 65 126 Napa In meadow in Cedar Valley, west of Lake Berryessa. Comment
  LA207572  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  UCD96742  Delphinium variegatum R. L. Smith 1948-5-8 s.n. Napa Near Edmunds Springs, east branch of Monticello Valley. Comment
  JEPS110778  Dendromecon rigida Jake Ruygt 1987-5-16 1991 Napa Bismark Knob 606 Comment
  RSA10640  Dendromecon rigida Carl B. Wolf 1928-5-4 1850 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC656  Dendromecon rigida subsp. rigida Amos Arthur Heller 1940-6-13 15737 Napa East side of Mt. St. Helena on the rd leading to the summit just above the jctn. of the trail from the Stevenson Tablet. Comment
  CAS-BOT-BC661  Dendromecon rigida subsp. rigida Alice Eastwood 1918-5-1 6860 Napa Mt. St. Helena Comment
  CDA11314  Deschampsia cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Arena; Butts Canon, ~6 m. N Aetna Springs. Comment
  SEINET11695843  Deschampsia cespitosa Unknown 1957-5-8 4000 Napa N end of Capell Valley, above Capell Creek Comment
  SBBG89094  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1986-5-6 Napa Cedar Crk, 3.5 mi SW of Knoxville and ca. 0.5 air mi W of Devilhead Rd 548 Comment
  UCD170464  Deschampsia cespitosa subsp. cespitosa Daniel Potter; Ninh Khuu 2016-6-18 893 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 433 Comment
  UCR43202  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  UC1158115  Deschampsia danthonioides Joseph P. Tracy 1950-5-23 18672 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Northern Coast Ranges, La Jota Plateau, Howell Mt., Moore's 518 Comment
  POM262788  Deschampsia elongata J. C. Roos 1939-7-16 270 Napa Howell Mountain Comment
  UCD48778  Dichelostemma capitatum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 27 Napa Quail Ridge Reserve, along Decker Ridge Rd., N of jct with South Decker Canyon Road. 335 Comment
  UC3246  Dichelostemma capitatum Willis L. Jepson 1893-1 Napa e of St. Helena; Napa River Basin Comment
  CAS-BOT-BC502160  Dichelostemma congestum John H. Thomas 1955-5-21 5115 Napa Sarco Creek drainage, near State Highway 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC153279  Diplacus kelloggii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  OBI49335  Diplacus layneae Joseph P. Tracy 1950-5-23 18662 Napa Howell MTn. On hills at head of Moore's Crk, 5 mi E of Angwin's Comment
  CAS-BOT-BC153330  Diplacus layneae Peter H. Raven 1951-6-10 2915 Napa Crater Region, e. of Mt. St. Helena 762 Comment
  CAS-BOT-BC208623  Distichlis spicata Peter H. Raven 1951-6-24 3024 Napa Inter, Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UCD64179  Distichlis spicata Beecher Crampton 1956-5-21 3445 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  CDA33361  Dittrichia graveolens Robin Breckenridge 2010-9-29 PDR# 5059105 Napa Lake Berryessa. 0 Comment
  UCD118964  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa Along trail running along southwest side of Lake Berryessa, 100m from Knoxville Rd. 250 Comment
  HSC17857  Dodecatheon hendersonii Greg Bos 1963-3-30 53 Napa 2.5 mi. up the Old Toll Rd. out of Calistoga. E slope 305 Comment
  SBBG83708  Dodecatheon hendersonii D. Belshaw 1975-4-12 5 Napa Lake Berryessa, 25.9 mi W of Davis on State Hwy 128 Comment
  UCD15065  Dodecatheon hendersonii Gail Matson 1977-4-16 23 Napa Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam. Comment
  UCD147463  Downingia Ellen Dean; Diana Hickson 2014-4-29 8076 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS106562  Downingia concolor var. concolor Jake Ruygt 1986-4-26 1733 Napa 4.5 miles northof Westgate Dr. on Atlas Peak rd. 446 Comment
  UC1189261  Downingia concolor var. concolor Joseph P. Tracy 1950-5-23 18673 Napa 3 mi e Angwin's; Howell Mountain, La Jota Plateau 518 Comment
  UCD75836  Downingia concolor var. concolor Jake Ruygt 1993-5-1 3245 Napa Pope Canyon Rd. at large vernal pond. 187 Comment
  JEPS106570  Downingia pusilla Jake Ruygt 1986-4-14 1701 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  JEPS106782  Draba verna Jake Ruygt 1993-4-3 3184 Napa Little Bear Valley 670 Comment
  JEPS106844  Draba verna Jake Ruygt 1982-3-3 1115 Napa Long Canyon near Berryessa-Knoxville Rd 327 Comment
  RSA123326  Drymocallis glandulosa var. glandulosa B. O. Schreiber 1936-3-5 2202 Napa 1.5 miles W of Calistoga 152 Comment
  POM346349  Dryopteris arguta F. R. Fosberg 1967-9-10 48643 Napa Near Haven place above St Helena Comment
  UCD48303  Dryopteris arguta Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. at junction with Decker Bay trail. 152 Comment
  CAS-BOT-BC70950  Dryopteris arguta Ira L. Wiggins 1957-6-18 14121 Napa Just north of Calistoga Comment
  RSA137332  Dryopteris arguta I. L. Wiggins 1957-6-18 14121 Napa Jst north of Calistoga Comment
  UC397024  Dryopteris arguta Dr. Goodspeed June 1929 Napa near Napa Comment
  UCD136448  Dryopteris arguta D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  JEPS48602  Dudleya cymosa W. L. Jepson 1914-5-15 20780 Napa Knoxville Ridge Comment
  UC101039  Dudleya cymosa Willis L. Jepson 1893-5-8 Napa below New Eden; Napa River Basin, Howell Mtn Comment
  CAS-BOT-BC428110  Dudleya cymosa subsp. cymosa Peter H. Raven 1951-5-6 2828 Napa Burn below Conn Dam 274 Comment
  CAS-BOT-BC428152  Dudleya cymosa subsp. cymosa J. Clausen 1935-5-22 1066 Napa 19.5 mi. S.E. of Lower Lake, on the Monticello road Comment
  CHSC102299  Dysphania pumilio Lowell Ahart 2009-10-12 16443 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD60843  Echinochloa crus-galli Beecher Crampton 1962-10-9 6697 Napa 1 - 1/4 mile southwest of Angwin, Howell Mtn. Road, Conn Creek. Comment
  UCD161323  Echinodorus berteroi Jake Ruygt 1979-8-11 792 Napa Lake Hennessey. (Coordinates estimated by label maker at UC Davis). 96 Comment
  UC1222177  Echinodorus berteroi Joseph P. Tracy 1950-8-12 19305 Napa Conn Valley Reservoir Comment
  UCSB283  Echinodorus berteroi Keator, Glenn 1959-6-22 Napa On the southeast shore of Lake Hennessy, Napa range Comment
  CAS-BOT-BC112775  Eleocharis macrostachya Lewis Samuel Rose 1935-6-4 35199 Napa Irrigation ditch, Oakville 45 Comment
  JEPS129111  Eleocharis macrostachya Jake Ruygt 2015-5-13 6099 Napa East of Zim-Zim Creek parking lot. Knoxville 7.5' Quad. Comment
  UC769959  Elymus X hansenii Robert F. Hoover 1941-6-8 5321 Napa Mt. St. Helena; e side Comment
  JEPS122982  Elymus elymoides var. elymoides Jake Ruygt 1994-5-17 3383 Napa Butts Canyon Road; Juliana Vineyards. Quad: Aetna Springs. Comment
  UC1153913  Elymus glaucus Beecher Crampton 1957-6-4 4097 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD20736  Elymus glaucus Ellen Dean; w/ Mark Bibbo 2002-6-17 1100 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. In the middle of the road. 190 Comment
  CAS-BOT-BC203590  Elymus glaucus subsp. glaucus Peter H. Raven 1952-5-29 4087 Napa Napa River 1 mi. n. Napa 60 Comment
  CAS-BOT-BC203593  Elymus glaucus subsp. glaucus Carl B. Wolf 1928-5-3 1794 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS122975  Elymus glaucus subsp. glaucus Jake Ruygt 2002-5-12 4415 Napa Southwest corner of Firefly Lane and Valle Verde Drive, Napa. Quad: Napa. Comment
  JEPS122979  Elymus glaucus subsp. glaucus Jake Ruygt 1988-6-4 2212 Napa South slope Mt. St. Helena above Red Hill. Quad: Detert Reservoir. Comment
  JEPS76121  Elymus glaucus subsp. glaucus W. L. Jepson 1938-6-8 18895 Napa Butts Canyon South Fork Butts Creek Comment
  JEPS84680  Elymus glaucus subsp. glaucus John W. Willoughby 1979-5-25 4327 Napa top of ridge just above Pansy Flat (flat is about 1 mi s of Signal Hill just below and to w of Blue Ridge); Vaca Mountains 609 Comment
  UCD37943  Elymus trachycaulus Beecher Crampton 1962-5-16 6423 Napa Napa County, 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  JEPS128909  Epilobium canum Jake Ruygt 1978-9-9 409 Napa 3 miles NE of Silverado Trail on Deer Park Road. Saint Helena 7.5' Quad. Comment
  CAS-BOT-BC166342  Epilobium canum subsp. canum Philip A. Munz 1947-10-10 12215 Napa Inner Coast Ranges, 11 miles east of Rutherford on road to Winters Comment
  CAS-BOT-BC171953  Epilobium canum subsp. latifolium Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon, Napa River Basin Comment
  UCR44915  Epilobium ciliatum L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  JEPS129092  Epilobium foliosum Jake Ruygt 2016-4-26 6210 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UC1278002  Epilobium minutum B. Crampton 1957-6-4 4091 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD160708  Epilobium torreyi Ellen Dean; Jake Ruygt 2015-5-23 8767 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD138932  Epipactis gigantea Stephen Clement 1973-5-18 65 Napa at the junction of Snell Valley Road and Butts Canyon Road. 274 Comment
  JEPS129126  Equisetum arvense Jake Ruygt 2008-7-19 5359 Napa Eticuera Creek, south of Long Canyon. Knoxville 7.5' Quad. Comment
  UCD167087  Equisetum laevigatum Jake Ruygt 2010-4-25 5523 Napa Putah Creek near confluence with Hunting Creek. 179 Comment
  CHSC102293  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  RSA756432  Eragrostis hypnoides Barbara Ertter, Elizabeth Neese 1988-10-2 7972 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  SBBG128692  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa below the high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  JEPS106947  Erigeron foliosus var. franciscensis Jake Ruygt 1990-6-9 2589 b Napa Arrowhead Mountain 228 Comment
  RSA128977  Erigeron peregrinus Peter H. Raven 1950-6-27 2436 C Napa N. side of Lake Van Norden. Comment
  JEPS106948  Erigeron philadelphicus var. philadelphicus Jake Ruygt 1979-5-24 636 Napa 2.5 miles east of Chiles-Pope Valley Rd. on HWY 128 219 Comment
  RSA195348  Eriodictyon californicum Gilbert Muth 1967-5-17 681 Napa Summit of Oat Hill Road. 671 Comment
  UC527841  Eriodictyon californicum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6672 a Napa 7 mi ne of Pacific Union College (Howell Mt.) on road to Aetna Springs Howell Mt. Comment
  UCD164480  Eriodictyon californicum J. A. Johnston 1995-5-19 26 Napa Found alongside fire road at Quail Ridge, off of Hwy 128 approximately 1.5 miles west of Markley Cove on Lake Berryessa. Comment
  UC130954  Eriogonum compositum var. compositum Katharine Brandegee 1909-6-1 Napa Pope Valley Grade from Calistoga Comment
  CAS-BOT-BC266058  Eriogonum luteolum Peter H. Raven 1951-8-20 3854 Napa Near Lokoya 518 Comment
  CAS-BOT-BC266062  Eriogonum luteolum John Thomas Howell 1933-8-27 11622 Napa Sage Canyon, Napa Range Comment
  SD22495  Eriogonum luteolum Susan G. Stokes 1933-8-27 Napa Near Chiles School Comment
  JEPS121540  Eriogonum luteolum var. luteolum Adam C. Schneider with Dick O'Donnell 2013-5-26 196 Napa Along Chiles Valley Road. Comment
  UC6529  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UC6530  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UC85728  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1892 Napa Calistoga Comment
  UC85734  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD164784  Eriogonum luteolum var. luteolum Jake Ruygt 2009-6-18 5441 Napa Chiles-Pope Valley Rd. 286 Comment
  JEPS56172  Eriogonum luteolum var. luteolum W. L. Jepson 1894-7-19 Napa on Toll Road near school-house; Mt. St. Helena Comment
  CAS-BOT-BC474562  Eriogonum nervulosum G. Ledyard Stebbins 1985-6-17 C 534 Napa NW of Dunnigan Hill, W of Hunting Creek, SW of Knoxville (exact location unknown; coordinates estaimated by label maker) 432 Comment
  CAS-BOT-BC268977  Eriogonum nudum var. auriculatum Peter H. Raven 1951-8-22 3884 Napa 2 8/10 miles from Lokoya on Napa Rd 228 Comment
  CAS-BOT-BC268978  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  UC1925868  Eriogonum vimineum Ethel Crum October 1930 910 Napa Conn Creek to Pope Valley Comment
  CAS-BOT-BC301053  Eriophyllum lanatum var. achilleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6679 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  JEPS34500  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-6-11 19007 Napa Knoxville Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  UC165848  Eriophyllum lanatum var. achilleoides J. P. Tracy 1902-5-21 1570 Napa head of Moore's Creek (3-4 mi e of Angwin's); Howell Mountain, Moore's Creek 457 Comment
  CAS-BOT-BC301048  Eriophyllum lanatum var. achilleoides Mrs. H. C. Cantelow 1934-5-30 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC301050  Eriophyllum lanatum var. achilleoides H. E. McMinn No date on label 956 Napa Unspecified Comment
  UC165864  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2092 Napa near Calistoga (e side of Napa Valley); Northern Coast Ranges, Napa Valley 243 Comment
  UCD83857  Erodium brachycarpum Ellen Dean; Stephen Rae 2010-3-15 5815 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  UC917216  Erodium cicutarium H. Popenoe 1949-4-17 4 Napa 13 mi w Winters; Putah Canyon Comment
  UCD48039  Erodium cicutarium Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 1 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
  UC1197358  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1939-10-14 16510 Napa Calistoga, Myrtledale Hot Springs 121 Comment
  JEPS17436  Eryngium aristulatum var. aristulatum Willis L. Jepson 1903-9-7 2352 Napa above St. Helena Reservoir; Napa River Basin Comment
  UC642245  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-6-6 15837 Napa 5 mi. n. Napa City; Napa Valley 30 Comment
  UCD160709  Eryngium castrense Ellen Dean; Jake Ruygt 2015-5-23 8768 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD164729  Eryngium jepsonii Jake Ruygt 2014-7-7 6023 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  CAS-BOT-BC474511  Eryngium vaseyi var. castrense Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8630 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. Large vernal pool on border of CDFW and BLM properties 594 Comment
  UCD21548  Erysimum capitatum A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, just N of pool at confluence of Sensitive Plant Canyon and Hunting Creek, along trail to pool from campground. 335 Comment
  UCD161237  Erysimum capitatum var. capitatum Jake Ruygt 1989-4-20 2342 Napa Vaca Mountains about 1 mile north of Mt. Vaca. (Coordinates estimated by label maker at UC Davis). 804 Comment
  UCD74392  Erysimum capitatum var. capitatum Jake Ruygt 1995-5-8 3473 Napa 1.5 miles south of boatramp on Sage Canyon Rd. Taylor's. 402 Comment
  SEINET8255130  Erythranthe microphylla L. Constance 1938-3-27 2040 Napa above Wooden Valley 8 mi. ne. of Napa. e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  SEINET10667985  Erythranthe nasuta Charles F. Baker 1903-4-20 Baker 2608 Napa Mt. St. Helena Comment
  SEINET8405337  Erythranthe nudata J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  SJSU1353  Erythronium californicum J. W. Tilden 1953-5-24 1040 Napa NE slope Mt St Helena 457 Comment
  CAS-BOT-BC133282  Erythronium helenae Elmer I. Applegate 1934-3-11 8842 Napa St. Helena Creek, half a mile south of Lake County line Comment
  CDA20131  Erythronium helenae R. Gross 2003-5-4 RG 1 -03 Napa North Coast; Foote Ranch, NW base of Mt Saint Helena. 0 Comment
  JEPS120345  Erythronium helenae Jake Ruygt 2003-3-22 4480 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS129023  Erythronium helenae Jake Ruygt 2016-3-15 6162 Napa Missimer-Fernandes; E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  UCD166145  Erythronium helenae John Gibson 2016-3-19 6 Napa Near Aetna Springs, ca 2 mi from jct with Pope Valley Rd and 1.1 miles west of Aetna Springs. 365 Comment
  SEINET8359660  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens, northern Napa County; steep northerly slope just east of the Palisades on old stage road. Comment
  CAS-BOT-BC402786  Eschscholzia caespitosa John H. Thomas 1955-5-21 5131 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC402802  Eschscholzia caespitosa David D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  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
  RSA785708  Eschscholzia caespitosa Carrie A. Herd 1982-5-9 92 Napa Trinity, Dry Creek Road, 0.5 mi. E. of Mt. Veeder Rd. Comment
  JEPS21000  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley Grade from Napa City Napa River Basin Comment
  RSA52711  Eschscholzia caespitosa subsp. caespitosa I. L. Wiggins 1949-4-30 12078 Napa 2.5 miles above Calistoga along old toll road to Middletown Comment
  CAS-BOT-BC403333  Eschscholzia californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  SD8239  Eschscholzia californica Brandegee Apr 1888 Napa Mt. St. Helena. Comment
  UCD117790  Eschscholzia californica Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, main meadow. 387 Comment
  UCD48073  Eschscholzia californica Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 9 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  SEINET10620879 Image available Eschscholzia californica var. douglasii Charles F. Baker 1903-5-8 Baker 2969 Napa Knoxville. Tufts common on rocky ridges. Comment
  HSC16780  Eschscholzia hypecoides Greg Bos 1963-3-24 44 Napa NW end of Lake Berryesa, at Putah Creek 168 Comment
  SEINET3093500 Image available Eucalyptus globulus Royal D. Suttkus 1967-6-26 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS106423  Euphorbia crenulata Jake Ruygt 1987-3-14 1928 Napa Conn Dam, old city park 97 Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  UC17643  Euphorbia crenulata Willis L. Jepson 1894-5-1 Napa Napa River Basin; Rebecca Ranch Comment
  UCD142379  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1217 Napa Along State Highway 128, 5.6 miles north of its junction with State Highway 37. Comment
  UCD20021  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1217 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  UCD149689  Euphorbia oblongata Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  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
  CDA29762  Euthamia occidentalis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 220 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  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
  JEPS84610  Festuca arundinacea John W. Willoughby 1979-5-25 4305 Napa about 1 mi s Signal Hill (just below and to the w of Blue Ridge); Vaca Mountains, Pansy Flat 609 Comment
  UCD149700  Festuca californica Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD36939  Festuca californica Beecher Crampton 1956-5-25 3459 Napa Vaca Mountains, head of Markley Canyon. Comment
  CAS-BOT-BC278345  Festuca californica subsp. californica L. R. Abrams 1928-5-3 12205 Napa St. Helena Grade Comment
  UCD65855  Festuca californica subsp. californica Beecher Crampton 1959-5-7 5202 Napa Above Capell Creek, north end of Capell Valley, along State Hwy. 128. Comment
  CAS-BOT-BC282494  Festuca elmeri Carl B. Wolf 1928-5-3 1813 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  HSC9857  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UCD36561  Festuca elmeri Beecher Crampton 1954-5-6 1828 Napa 9 miles west of city of Winters, along Highway 128 to Monticello, Putah Canyon. Comment
  JEPS129082  Festuca microstachys Jake Ruygt 2016-4-16 6192 Napa Smitty Ranch, east of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  RSA92797  Festuca rubra P. H. Raven 1951-5-20 2837 Napa West of Oakville. 91 Comment
  JEPS122940  Festuca trachyphylla Jake Ruygt 1992-5-6 2948 Napa SW of Mitten Lakes. Wild Horse Valley Ranch. Quad: Mount George. Comment
  JEPS129135  Ficus carica Jake Ruygt 1994-5-22 3488 Napa Devils Canyon, Taylor Preserve. Sonoma 7.5' Quad. Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  CAS-BOT-BC53526  Frangula californica subsp. tomentella Carl B. Wolf 1928-2-25 1509 Napa 3 mi. No. of summit of the Mt. St. Helena Grade, near Lake - Napa Cos. Line. Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  UCD121437  Frasera albicaulis var. nitida G. Ledyard Stebbins Jr. 1964-5-24 6156 Napa West of Aetna Springs, ca. 1/2 mile west of Corona Mine. 670 Comment
  HSC46117  Fraxinus dipetala J. P. Smith, J. O. Sawyer 1970-5-17 3787 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  UCD122028  Fraxinus dipetala Beecher Crampton 1969-6-30 8486 Napa 1 mile west Monticello Dam, State Hwy. 128. Comment
  CAS-BOT-BC223534  Fraxinus latifolia H. E. McMinn 1922-6-8 178 Napa Collected on summit of Howell Mt. Four Comment
  JEPS122724  Fraxinus latifolia Jake Ruygt 1979-3-13 451 Napa Northeast corner of Trefethen Vineyard along Creek. Quad: Napa Comment
  UCD40902  Fremontia californica S. Boshoren 1983-5-29 25 Napa 5 miles from Knoxville, NW on Berryessa-Knoxville Road. Comment
  CAS-BOT-BC205892  Fremontodendron californicum C. F. B. 1903-5-8 2972 Napa Knoxville Comment
  JEPS41070  Fremontodendron californicum Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9107 Napa Near summit of grade on the Knoxville-Lower Lake road, in the short panhandle of extreme northeastern Napa County 640 Comment
  POM224211  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa Four miles north of Knoxville Mines. Comment
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  SBBG28946  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  UC584196  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 miles S.E. of Lower Lake on the Monticello road beyond the Napa County line Comment
  UC726963  Fremontodendron californicum A. A. Heller 1941-5-16 16134 Napa 3 miles west of Knoxville on the road to Lower Lake 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
  CAS-BOT-BC130077  Fritillaria affinis Mrs. Elizabeth Wright 1922-3-30 s.n. Napa Calistoga Comment
  CAS-BOT-BC130078  Fritillaria affinis Alice Eastwood 1915-6-6 s.n. Napa Calistoga Comment
  CAS-BOT-BC130081  Fritillaria affinis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS61901  Fritillaria affinis Willis L. Jepson 1893-5-5 14823 Napa Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  UC421724  Fritillaria affinis Mrs. L. W. McArthur 1930-4-3 Napa Calistoga, Oathill Road summit Calistoga; , Oathill Road Comment
  UC650291  Fritillaria affinis Robert W. Storer 1941-3-22 14 Napa 1/2 mi. s. Las Posadas Camp (Howell Mt.); Howell Mt. Comment
  UCR24202  Fritillaria lanceolata W. Ferrenbach, M. Ferrenbach 1951-1 s.n. Napa St. Helena Comment
  JEPS89228  Fritillaria pluriflora W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  CAS-BOT-BC130485  Fritillaria purdyi John Thomas Howell 1931-4-4 6166 Napa Crater Country, Mt. St. Helena region Comment
  CHSC24695  Fritillaria purdyi G. Strang 1976-4-19 13 Napa Top of mesas ca. 2.5 mi. e of Calistoga off of Silverado Trail. 533 Comment
  UC796645  Fritillaria recurva Ira L. Wiggins 1949-4-30 12091 Napa Mount St. Helena, near Lake County Line Mount St. Helena Comment
  UCD37515  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa north end of Capell Valley, above Capell Creek. Comment
  UC1196110  Galium andrewsii subsp. andrewsii Joseph P. Tracy 1902-5-15 1466 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 426 Comment
  RSA293049  Galium andrewsii subsp. andrewsii Reino Alava, Lincoln Constance, R. Ornduff 1957-5-5 764 Napa Mt St Helena. Comment
  UCD49247  Galium aparine L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 8 Napa SW end of Lake Barryessa, 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. 10-20 ft. from stream. 152 Comment
  UCD23388  Galium aparine Ann Biglieri 1977-4-16 8 Napa Near Highway 128, 6.4 miles by road SSW of Monticello Dam. 182 Comment
  UCD149696  Galium californicum Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD121757  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa West of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD13188  Galium nuttallii Gary Fugle 1976-4-11 7 Napa 4 mi N of junction of hwy 121 and 128, along 128. Elev. 550 ft. 167 Comment
  UCD149695  Galium porrigens Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD159922  Galium porrigens Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43 - 2. 243 Comment
  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
  UCD121147  Gamochaeta ustulata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7347 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  UCD168538  Gamochaeta ustulata Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CAS-BOT-BC199055  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  CDA14220  Garrya congdonii G. F. Hrusa 1997-2-3 13617 Napa North Coast Biodiversity Arena; margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~ 1/2 mi. Comment
  UC1328139  Garrya congdonii Donald V. Hemphill 1940-3-23 63 Napa Snell Valley Snall Valley; Snell Valley 518 Comment
  RSA41998  Garrya elliptica Ella Dales Cantelow 1939-5-7 2532 Napa Just E of Napa - Lake Co line. Comment
  JEPS66757  Garrya flavescens W. L. Jepson 1936-2-8 17400 Napa Adam and Eve Ridge; Howell Mt. Comment
  UC402907  Garrya flavescens Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  JEPS126034  Garrya fremontii Jake Ruygt 1990-1-29 2431 Napa Napa Range about 1/2 mile south of Circle Oaks. Capell Valley 7.5' Quad. Comment
  UCD82603  Gastridium phleoides Ellen Dean; T. Starbuck 2009-5-4 5541 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC278655  Gastridium phleoides Thomas H. Kearney 1948-6-26 s.n. Napa Near Napa Comment
  UCD66712  Gastridium phleoides K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS69269  Gastridium ventricosum Willis L. Jepson 1894-7-19 Napa Napa River Basin Upper Napa Valley; , Upper Napa Valley Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  JEPS106707  Geranium molle Jake Ruygt 1994-3-15 3413 Napa Chiles Valley Raod about 1 mile from Chiles Valley 335 Comment
  JEPS106708  Geranium molle Jake Ruygt 1986-3-22 1666 Napa Vaca Mountains, east of Markley Cove Resort 304 Comment
  UCD49069  Geranium molle L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 2 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
  UCD49071  Geranium molle E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct. of West Rd. and South Decker Canyon Rd. 249 Comment
  UC1795114  Geranium purpureum Barbara Ertter with Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley Comment
  UCD150654  Geranium pusillum Stephen Brown 1974-4-6 27 Napa Four miles W junction of Hwys. 121 and 128, on Hwy 128. 304 Comment
  RSA119160  Gilia capitata John H. Thomas 1955-5-21 5141 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  JEPS110952  Gilia capitata subsp. capitata Jake Ruygt 1978-4-30 281 Napa .1 mile from end of Taplin Rd. 67 Comment
  UC23451  Gilia capitata subsp. capitata Ferd. L. Clarke 1892-1 Napa near Yountville; near Yountville Comment
  UC52378  Gilia capitata subsp. capitata H. P. Chandler 1900-5-7 619 Napa Rutherford 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
  UCSC008577  Gilia clivorum Randall Morgan 1995-4-11 2376 Napa Intersection west of Horse Valley Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  UCD167225  Gilia tricolor subsp. diffusa Jake Ruygt 2010-4-24 5519 Napa East of Berryessa Knoxville Road near south end of Knoxville Wildlife Area. 280 Comment
  JEPS110962  Gilia tricolor subsp. tricolor Jake Ruygt 1994-3-15 3321 Napa Chiles Canyon Road about 1 mile from Chiles Valley 353 Comment
  JEPS18287  Githopsis specularioides Peter H. Raven 1957-5-5 10762 Napa w edge Calistoga 182 Comment
  JEPS112627  Glaux maritima Jake Ruygt 1981-7-20 1068 Napa Fagan's Marsh 1 Comment
  CDA34661  Glinus lotoides L. Ahart 2009-10-12 16444 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS115774  Glinus lotoides Lowell Ahart 2009-10-12 16444 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  JEPS122936  Glyceria occidentalis Jake Ruygt 1992-5-6 2933 Napa West of Foster Road, Napa (Raynes property). Quad: Napa. Comment
  CDA5998  Gnaphalium canescens R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  CDA5426  Gnaphalium japonicum H. Stabo Oct 1961 Napa F. Nicholls property, end of Mayo Lane, St. Helena. 0 Comment
  CHSC103022  Gnaphalium luteoalbum Lowell Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD121180  Gnaphalium palustre Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7359 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 405 Comment
  UCD18098  Gnaphalium palustre Ellen Dean; with PLB 102 class 2000-4-29 754 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UC1746131  Gratiola ebracteata Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2762 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC304884  Grindelia hirsutula Peter H. Raven 1951-6-26 3085 Napa Cappell [Capell] Valley 304 Comment
  CAS-BOT-BC304897  Grindelia hirsutula Robert M. King 1980-7-9 8417 Napa 2-3 miles north of Calistoga Comment
  CAS-BOT-BC304898  Grindelia hirsutula Peter H. Raven 1952-8-26 5132 Napa W. Bentley Wharf 15 Comment
  JEPS106921  Grindelia hirsutula Jake Ruygt 1981-6-10 1053 Napa HWY 121 at Circle Oaks Dr. 292 Comment
  JEPS7807  Grindelia hirsutula Peter H. Raven 1951-6-26 3098 Napa Imola to Napa Junction 24 Comment
  RSA128656  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa E of Napa on Monticello Rd. 61 Comment
  UC1177101  Grindelia hirsutula Peter H. Raven 1951-6-26 3098 Napa Imola to Napa Junction 24 Comment
  UC1714849  Grindelia hirsutula Max P. Dunford 1959-10-3 555 Napa 2 mi W of Chiles Valley (along Soda Creek) Comment
  UC1714868  Grindelia hirsutula Max P. Dunford 1959-10-3 556 Napa 3/4 mi N of Samuel Springs (along trout creek, 100 yds S of mouth) Comment
  JEPS120421  Grindelia hirsutula Jake Ruygt 2010-8-14 5714 Napa Berryessa Estates picnic area adjacent to Putah Creek at junction with Butts Cr. Comment
  RSA430116  Guillenia flavescens Robert M. Specht 1977-4-13 649 Napa Plants of the Ukiah District. 524 Comment
  JEPS54083  Guillenia lasiophylla W. L. Jepson 1894-5-2 13347 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS122925  Hainardia cylindrica Jake Ruygt 1993-5-11 3259 Napa Milton Road north of the railroad tracks. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC302221  Harmonia nutans John Thomas Howell 1931-4-2 6075 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC302225  Harmonia nutans Peter H. Raven 1950-4-15 1752 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC302244  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  SBBG8600  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mtn near summit, 6.5 mi NE of Saint Helena Comment
  UC518958  Harmonia nutans David D. Keck 1933-5-28 2329 Napa ca 1 mi sw Pacific Union College; Howell Mountain Comment
  JEPS106682  Helenium puberulum Jake Ruygt 1979-10-22 426 Napa .3 miles north of Airport Rd. along Sheehy Creek 4 Comment
  JEPS21036  Helianthella californica subsp. californica W. L. Jepson 1904-6-3 2450 Napa Howell Mt. 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
  CDA13716  Helianthus bolanderi G. F. Hrusa, T. D. Wilfred 1997-7-24 14020 Napa North Coast Biodiversity Arena; Middle reaches of Butts Canyon +- 8-10 mi. SE of Middletown. Comment
  JEPS4456  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwins's Meadows Comment
  UC897487  Helianthus californicus Lewis S. Rose 1939-8-20 39358 Napa 14 miles E of Rutherford; Chiles Creek Canyon 304 Comment
  CAS-BOT-BC305617  Helianthus californicus Alice Eastwood; John Thomas Howell 1939-8-20 7619 Napa Capell Creek Comment
  UCD170290  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 830 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 420 Comment
  CAS-BOT-BC305674  Helianthus gracilentus G. L. Stebbins 1971-7-28 8052 Napa Near Hunting Creek, along road from Knoxville to Lower Lake 548 Comment
  CHSC103019  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  HSC100735  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 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
  CDA20044  Heliotropium europaeum K. Smith, M. Bozzo 2002-9-4 PDR P 133430 Napa Northern California; Kendall Smith Vineyards. 0 Comment
  CHSC102527  Helminthotheca echioides Lowell Ahart 2009-10-12 16427 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.F 133 Comment
  CAS-BOT-BC306149  Hemizonia congesta subsp. clevelandii Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS40232  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UC88998  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-8-1 Napa Calistoga Comment
  CAS-BOT-BC309840  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-6-26 3081 Napa Cappell Valley 365 Comment
  JEPS38290  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1930-10-19 15690 Napa Pope Valley Comment
  JEPS40377  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1938-9-24 19019 Napa canyon of James Creek; Pope Valley 304 Comment
  SBBG8414  Hemizonia congesta subsp. luzulifolia J. M. Tucker 1941-9-20 406 Napa jct of rd from Samuel Springs with Monticello-Pope Valley rd Comment
  CAS-BOT-BC309843  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa In Napa, Napa Valley Comment
  RSA128679  Hemizonia lutescens Peter H. Raven 1953-10-4 6363 Napa Near Duttons Landing. 15 Comment
  SEINET3860178  Hemizonia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N. of center of town at the geysers.; 0 Comment
  UCD127521  Heracleum maximum Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  UC164895  Hesperevax sparsiflora var. sparsiflora J. P. Tracy 1902-5-16 1511 Napa 3-4 mi e of Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  OBI74556  Hesperocyparis macnabiana David J. Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S ofturnoff to Homestake McLaughlin mine/Mill 107 Comment
  HSC1201  Hesperocyparis sargentii C. B. Wolf 1928-2-25 1507 Napa 3 mi. N of the summit of Mt. St. Helena grade, near Lake Co. line Comment
  OBI7234  Hesperocyparis sargentii Carl B. Wolf & E. R. Johnson, E. R. Johnson 1934-10-17 6196 Napa On Middletown-Calistoga rd, 300 ft S of Lake Co Line 457 Comment
  JEPS122852  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 230 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS32275  Hesperolinon bicarpellatum W. L. Jepson 1938-6-8 18888 Napa slopes along the Snell Valley Road ne Pope Valley (drainage of Butts Creek) (northern Napa County) Comment
  POM138927  Hesperolinon bicarpellatum Katherine Brandegee 1911-6-29 s.n. Napa Butts Canyon near Aetna Springs. 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
  UC1212372  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa ca 0.5 mi from Walter Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UC163930  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 113 Napa near Aetna Springs; Butts Canyon Comment
  UCD141589  Hesperolinon bicarpellatum Ellen Dean 2013-4-27 7705 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCD160677  Hesperolinon bicarpellatum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8749 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  UCD82614  Hesperolinon bicarpellatum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  UCD167347  Hesperolinon bicarpellatum Jake Ruygt 2009-5-16 5406 Napa Aetna Springs Road about 1/2 mile east of Aetna Springs resort. 301 Comment
  UC1212212  Hesperolinon breweri Helen K. Sharsmith 1953-6-15 4183 Napa se slope below rock spire w junction of Cappell Valley and Monticello Road (s end of valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  JEPS122801  Hesperolinon californicum Jake Ruygt 2005-6-4 4903 Napa SE end of Paradise Valley. QUAD: Jericho Valley. Comment
  JEPS32283  Hesperolinon californicum Willis L. Jepson 1893-6-26 13535 Napa Howell Mt. Napa River Basin Comment
  UC1212437  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4074 Napa near Chiles Valley School; Inner North Coast Ranges, Chiles Valley 289 Comment
  UC1212521  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4618 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1601241  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4617 Napa road from Rutherford to Monticello (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD110494  Hesperolinon californicum Milton D. Plocher 1971-5-29 33 Napa 20 yards west of lower Chiles Valley Road, 1.7 miles north of its junction with State Highway 128. Comment
  UCD149639  Hesperolinon californicum Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  CAS-BOT-BC176017  Hesperolinon californicum Lester Rowntree 1937-6-1 s.n. Napa Saca Canyon Comment
  UCD167294  Hesperolinon californicum Jake Ruygt 2007-5-19 5190 Napa Las Posadas State Forest, ridge between Moore Creek and Uncle John Creek. 414 Comment
  CAS-BOT-BC176055  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine 304 Comment
  CAS-BOT-BC176060  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine 304 Comment
  JEPS122786  Hesperolinon clevelandii Jake Ruygt 2009-6-8 5427 Napa Wild Lake Ranch. Candlestick Ridge. QUAD: St. Helena. Comment
  UC1212330  Hesperolinon clevelandii Helen K. Sharsmith 1957-5-30 4597 Napa 1.1 mi beyond town of Pope Valley (on road to St. Helena); Inner North Coast Ranges, Howell Mountain 304 Comment
  CAS-BOT-BC176051  Hesperolinon clevelandii John Thomas Howell 1939-7-13 5359 Napa On the edge of the Crater Country Comment
  JEPS112586  Hesperolinon disjunctum Jake Ruygt 1988-5-29 2197 Napa Cedar Valley 603 Comment
  JEPS127856  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 622 Napa Along Knoxville Devilhead Rd. south of junction with Knoxville Berrynessa Rd. Comment
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Dec 22 2020
  JEPS32322  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 731 Comment
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Jun 12 2012
  UC1736417  Hesperolinon disjunctum Dean W. Taylor 1998-6-23 16699 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UC1212482  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Knoxville-Monticello road 0.8 mi s Knoxville (above Knoxville Creek); Inner North Coast Ranges 365 Comment
  UC17251  Hesperolinon disjunctum Willis L. Jepson 1892-7 19006 Napa Knoxville Mountain Region of Clear Lake Comment
  HSC43948  Hesperolinon micranthum Robert M. Specht 1977-5-14 885 Napa Above site 128, on east facing slope 503 Comment
  JEPS122796  Hesperolinon micranthum Jake Ruygt 2005-6-1 4885 b Napa Blue Ridge, about 1 mile north of Mays Flat. QUAD: Knoxville. Comment
  UC1212260  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa 0.8 mi s Chiles Valley (above Sage Creek); Inner North Coast Ranges 304 Comment
  UC1601249  Hesperolinon micranthum Helen K. Sharsmith 1952-6-1 4116 Napa n slope above Soda Creek (ca 2 mi se of Chiles Valley); Inner North Coast Ranges 243 Comment
  UCR146397  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Inner North Coast Ranges, North end of Capell Valley, above Capell Creek 213 Comment
  RSA355182  Hesperolinon micranthum L. F. LaPre 1985-6-8 s.n. Napa Rare Plant Canyon,'' a tributary of Hunting Creek from the east, 2 mi. SW of the site of Knoxville, just E of the Lake Co. line. 366 Comment
  UC1212412  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4594 Napa nw of Cappell Valley; Inner North Coast Ranges 243 Comment
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  JEPS122849  Hesperolinon spergulinum Adam C. Schneider with Dick O'Donnell 2013-5-26 209 Napa Along Aetna Mine Road, by junction with Aenta Springs Rd. Comment
  JEPS122908  Hesperolinon spergulinum Adam C. Schneider 2015-7-23 939 Napa Along private road that runs west off of Pope Valley Rd Comment
  UC1601204  Hesperolinon spergulinum Helen K. Sharsmith 1951-10-21 4042 Napa 0.5 mi above Aetna Springs (near Aetna Mine); Inner North Coast Ranges 274 Comment
  HSC47348  Heteromeles arbutifolia Richard Spjut 1978-12-4 5258 Napa Near Lake Barryessa along Hwy. 128 Comment
  SEINET265722  Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves 7.2 miles NW of Pope Valley Comment
  UCD113314  Heteromeles arbutifolia Heidi E. M. Dobson 1978-7-12 347 Napa East slope of Mt. Veeder. Comment
  UC31135  Heterotheca oregona var. compacta Willis L. Jepson 1892-10-22 Napa Sulphur Spring Creek bed Napa River Basin, Sulphur Spring Creek Comment
  JEPS106625  Heterotheca oregona var. rudis Jake Ruygt 1991-8-5 2822 Napa .5 mile north of Pope Creek on Berryessa Knoxville Rd. 152 Comment
  UC127169  Hieracium albiflorum Harley P. Chandler Sep 7 1906-Sep 14 1906 7152 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CAS-BOT-BC55303  Hirschfeldia incana Peter H. Raven 1952-5-29 4074 Napa Napa River 1 mile north Napa. 60 Comment
  UCD115125  Hirschfeldia incana W. L. Jepson 1922-10-22 9831 Napa St. Helena. Comment
  POM158605  Hoita macrostachya C. C. Parry 1881-1 s.n. Napa Calistoga Comment
  UC1543069  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa hwy from Napa to Wooden Valley (n slopes of mt.); George Mt. 152 Comment
  JEPS106636  Holocarpha virgata Jake Ruygt 1987-7-27 2084 Napa .7 miles west of HWY 128 on Monticello Road 256 Comment
  JEPS106640  Holocarpha virgata Jake Ruygt 1986-7-13 1879 Napa SW of Buchli Station Rd. near county line 1 Comment
  UC1925923  Holocarpha virgata Ethel Crum Oct 1930 914 Napa Pope Valley. Comment
  UCD164825  Holocarpha virgata subsp. virgata Jake Ruygt 2012-8-25 5877 -z Napa South of Spanish Valley. 350 Comment
  UC1128007  Holodiscus discolor A. Lewis 1932-5-18 97 Napa Dry Creek 152 Comment
  CAS-BOT-BC149995  Holodiscus discolor var. discolor Peter H. Raven 1950-6-20 2344 Napa Between Conn Valley & Howell Mtn., Napa Range Comment
  UCD85462  Hordeum brachyantherum subsp. californicum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  UC650397  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa roadside 1 1/2 mi ne Calistoga Comment
  UCD18150  Hordeum murinum subsp. leporinum Jean Shepard; with Plant Biology 102 class 2000-4-29 204 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-BC400800  Hypericum anagalloides Rimo Bacigalupi 1928-6-20 1876 Napa Howell Mt 10 mi west of St Helena Comment
  RSA97626  Hypericum androsaemum P. H. Raven 1950-6-27 2436 S Napa N. side of Lake Van Norden. Comment
  CAS-BOT-BC410811  Hypericum concinnum J. Clausen 1935-5-23 1072 a Napa Howell Mountain, near summit, 6.5 mi. N of St. Helena Comment
  CAS-BOT-BC312894  Hypochaeris glabra Peter H. Raven 1952-6-28 4200 Napa Hennessey Lake 121 Comment
  JEPS126072  Idahoa scapigera Jake Ruygt 1995-4-9 3420 Napa Little Bear Valley, east of Palisades. Detert Reservoir 7.5' Quad. Comment
  UC1134692  Iris douglasiana B. Schreiber 1936-5-3 2204 Napa 1.2 mi w Calistoga; Calistoga Quad. 152 Comment
  RSA135877  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17103 Napa 2.6 miles west from Calistoga on road to Santa Rosa, via Petrified Forest 91 Comment
  SEINET3876197  Iris fernaldii D. W. McNeal 1990-5-3 3690 Napa Above Butts Canyon Rd., 1.4 mi. s. of the jct. of Snell Valley Rd.; 0 Comment
  UCD138722  Iris fernaldii Bradford Bearce 1965-4-4 21 Napa 29 miles west of Winters on road to Napa. Comment
  JEPS126060  Iris longipetala Jake Ruygt 1999-4-18 4128 Napa South side of American Canyon Creek. Cordelia 7.5' Quad. Comment
  RSA10699  Iris macrosiphon Carl B. Wolf 1928-5-3 1788 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA123132  Iris macrosiphon A. Lewis 1932-5-14 79 Napa 3 miles up Dry Creek 152 Comment
  UCD118351  Iris macrosiphon Reed Crane; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 403 Comment
  UCD149715  Iris macrosiphon 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
  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
  JEPS122771  Isatis tinctoria Jake Ruygt 2011-5-14 5785 Napa Chiles-Pope Valley Road near old barn. Quad: Chiles Valley. Comment
  JEPS116562  Isoetes howellii Jake Ruygt 2005-4-30 4801 Napa Big Ranch Road at El Centro Ave. Napa 7.5' Quad. Comment
  JEPS129168  Isoetes howellii Jake Ruygt 2015-5-2 6086 e Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  CAS-BOT-BC57722  Isoetes howellii D. E. Breedlove 1974-4-27 36200 Napa along Silverado Trail just north of junction with Oak Knoll Road Comment
  RSA1941  Juglans californica Carl B. Wolf 1930-11-3 1801 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  CHSC93647  Juglans californica var. hindsii Paul Kirk; Joe Callizo 2001-5-25 6 Napa Munson Ranch area, approximately 300 m WNW of end of Circle Oaks drive. 450 Comment
  RSA7626  Juglans hindsii Carl B. Wolf 1933-9-28 5514 Napa Spully Ranch at head of Gordan Valley, below Lake Curry Dam 152 Comment
  UCD20737  Juglans hindsii Ellen Dean; w/ Mark Bibbo 2002-6-17 1101 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near main entrance gate to reserve, just upslope from road to field station. E side of the road. 371 Comment
  UCD81808  Juncus bolanderi Ellen Dean; Stephen Rae 2009-4-21 5435 Napa Along Friesen Lakes Road, NW of Anguin. 560 Comment
  JEPS122671  Juncus bufonius Jake Ruygt 1991-6-21 2730 Napa Hunting Creek Road about 1/2 way from Devilshead Road. Quad: Knoxville. Comment
  UC1601696  Juncus bufonius Willis L. Jepson 1893-1 Napa Napa Valley Napa River Basin Comment
  JEPS122674  Juncus capitatus Jake Ruygt 1992-5-7 2939 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS76128  Juncus effusus subsp. pacificus W. L. Jepson 1938-10-1 19048 Napa e slope Mt. St. Helena (just beyond pass, Molly Patton Inn) Comment
  JEPS67098  Juncus occidentalis W. L. Jepson 1891-5-1 40 b Napa Upper Conn Valley 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
  UC1103052  Juncus occidentalis J. P. Tracy 1902-5-26 1639 Napa near Calistoga; San Francisco Bay Region, Napa Valley 91 Comment
  UCD166704  Juncus occidentalis Jake Ruygt 1982-3-17 1132 Napa Suscol plain, east of Kaiser Steel (Rocktram). 1 Comment
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 Comment
  UCD73494  Juncus patens Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC1151996  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-6-6 15847 Napa about 5 mi n Napa Comment
  POM263159  Keckiella corymbosa J. C. Roos 1939-7-16 274 Napa Napa Range near Calistoga. Comment
  UCR24498  Keckiella corymbosa John C. Roos 1939-7-16 274 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  JEPS110641  Keckiella lemmonii Jake Ruygt 1979-6-18 714 Napa Snell Valley at Snell Creek bridge 146 Comment
  NY790364  Keckiella lemmonii R. C. F. Bacigalupi 1928-6-20 1873 Napa Howell Mountain, 10 miles west of St. Helena Comment
  UC185352  Keckiella lemmonii Katharine Brandegee 1910-7-27 Napa Angwin's; Napa Range, Howell Mt. Comment
  JEPS115771  Kickxia elatine Lowell Ahart 2009-10-12 16450 Napa Below the high water line of Lake Berryessa, along Capelll Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west 133 Comment
  RSA475215  Kickxia elatine Aaron Liston, Sara Meury 1987-6-6 676 -1 Napa Bothe - Napa Valley State Park. 150 Comment
  JEPS122912  Koeleria macrantha Jake Ruygt 2000-5-15 4250 Napa Henry Road, on old Henry Ranch. Quad: Napa. Comment
  JEPS76090  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  UCD36305  Koeleria macrantha Beecher Crampton 1953-5-19 1307 Napa 10 miles west of Monticello, along Highway 128. Comment
  UCD85730  Koeleria macrantha Beecher Crampton 1954-4-26 1788 Napa 4 miles east of Rutherford. Comment
  CAS-BOT-BC499196  Kopsiopsis strobilacea Eva Holmes 1929-5-27 s.n. Napa Napa Comment
  JEPS115849  Lactuca saligna Lowell Ahart 2009-10-12 16425 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winter 133 Comment
  UC127119  Lactuca serriola Harley P. Chandler Sep 7 1906-Sep 14 1906 7111 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CDA18932  Lactuca virosa Butler, Dannenberg 2000-8-1 PDR 023555 Napa Napa Valley; Along Langtree Road, St. Helena. 0 Comment
  CAS-BOT-BC26056  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa bridge over Pope Creek, just south of Walters Spring Comment
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Mar 3 2018
  SEINET3071645 Image available Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
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Nov 25 2013
  SEINET3073144 Image available Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
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Nov 25 2013
  JEPS38991  Lagophylla minor W. L. Jepson 1938-5-22 18826 Napa Snell Valley Comment
  CAS-BOT-BC341422  Lagophylla minor J. Clausen 1935-5-22 1069 Napa 1 mile east of Chiles Valley Store Comment
  CAS-BOT-BC341556  Lagophylla ramosissima Rimo Bacigalupi 1928-6-20 1868 Napa Howell Mt. 10 miles west of St. Helena Comment
  JEPS129036  Lagophylla ramosissima Jake Ruygt 2016-5-28 6266 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  SD8628  Lagophylla ramosissima Daniel Cleveland Sep 1882 Napa Aetna Springs Comment
  SBBG40959  Lamium purpureum M. M. Ackley 1959-4-4 Napa near St Helena Comment
  CAS-BOT-BC338901  Lasthenia californica M. S. Jussel 1921-4-19 s.n. Napa Pope Valley Comment
  JEPS106675  Lasthenia californica Jake Ruygt 1996-4-22 3623 Napa Lewelling Ranch, St. Helena. 88 Comment
  JEPS129073  Lasthenia californica Jake Ruygt 2016-4-2 6172 b Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD170814  Lasthenia californica 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  CAS-BOT-BC338275  Lasthenia californica Gilbert Muth 1967-4-16 633 Napa Snell Valley 182 Comment
  POM361516  Lasthenia californica J. T. Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  JEPS10176  Lasthenia californica subsp. californica W. L. Jepson 1893-5-2 Napa Calistoga Comment
  JEPS10375  Lasthenia californica subsp. californica W. L. Jepson 1915-4-23 6246 Napa Conn Valley Napa Range Comment
  SEINET10669273  Lasthenia californica subsp. californica John T. Middleton 1936-3-21 Middleton 75 Napa Monticello, Ca. Comment
  UC893761  Lasthenia californica subsp. californica Milo S. Baker 1929-4-1 3580 b Napa near Calistoga Geyser Comment
  JEPS106673  Lasthenia conjugens Jake Ruygt 1991-5-4 2635 z Napa Suscol Ridge Comment
  JEPS106623  Lasthenia glaberrima Jake Ruygt 1986-4-13 1694 Napa Pope Canyon Rd. just east of vernal marsh 187 Comment
  JEPS122747  Lasthenia glaberrima Jake Ruygt 2011-5-7 5774 Napa Pope Valley, Pope Canyon Road at vernal marsh. Quad: St. Helena. Comment
  UCD121172  Lasthenia gracilis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7354 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
  UCD159787  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3167 Napa Soda Canyon Road, near summit. 457 Comment
  JEPS10016  Lasthenia gracilis Helen-Mar Wheeler 1944-3-27 Napa roadside about 1.8 mi n south end of Conn Valley; Napa Range Comment
  JEPS10166  Lasthenia gracilis W. L. Jepson 1893-4-28 Napa Napa Comment
  RSA0018558  Lathyrus Keith E. Hoffmaster 1946-3-23 1086 Napa Napa range, along Napa-Monticello road Comment
  JEPS126083  Lathyrus cicera Jake Ruygt 1994-4-26 3354 Napa Pope Valley north of Barnett Road. Aetna Springs 7.5' Qua. Comment
  SEINET10576972 Image available Lathyrus vestitus subsp. puberulus George Thurber Thurber 485 Napa Comment
  JEPS107264  Lathyrus vestitus var. vestitus Jake Ruygt 1982-3-22 1141 a Napa Sugarloaf peak near Skyline Park 396 Comment
  UC1051670  Lathyrus vestitus var. vestitus Peter Kamb 1950-4-22 1755 Napa w side Wooden Valley (on Calif. Hwy 37) 304 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
  POM231107  Layia chrysanthemoides Jens Clausen 1935-5-22 1068 Napa 2.2 miles S of Knoxville. Comment
  UC584197  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi s Knoxville (on w-facing slope) Comment
  CAS-BOT-BC321717  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  SBBG8517  Layia gaillardioides H. and M. Dearing 1939-4-28 3220 Napa near Fairfax Comment
  HSC44002  Layia platyglossa Robert M. Specht 1977-4-13 647 Napa 524 Comment
  UC1157918  Lemna minuscula John C. Roos September 1938 Napa Angwin, Pacific Union College farm Angwin; , Pacific Union College farm 487 Comment
  CAS-BOT-BC534948  Lemna minuta Evelina Cannon 1901-7-15 s.n. Napa Johannisberg Comment
  CAS-BOT-BC534950  Lemna minuta Peter H. Raven 1951-6-26 3073 Napa Wooden Valley grade 304 Comment
  JEPS63268  Lepechinia calycina W. L. Jepson 1943-5-15 20776 Napa Knoxville Ridge Comment
  UCD148744  Lepidium didymum Jake Ruygt 1997-4-28 3839 Napa Napa County; east of Hwy 29, south of South Kelly Road. 19 Comment
  CAS-BOT-BC12513  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Napa Valley. Calistoga. Comment
  RSA137126  Leptosiphon androsaceus Verne Grant 1960-4-13 10189 Napa A few miles E. of Angwin on summit of road from St. Helena to Pope Valley. 518 Comment
  UCD49206  Leptosiphon androsaceus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 3 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. roadside, less than 1/4 mile NW from jct with South Decker Rd. 182 Comment
  POM182717  Leptosiphon androsaceus D. D. Keck 1931-4-3 1070 Napa Pope creek canyon, near Walter Springs Comment
  UCD13133  Leptosiphon androsaceus Etienne and Laurie Oleksiewicz 1981-4-22 19 Napa Napa CO. State Highway 128, 1.8 miles west of Monticello Dam; west facing slope. Comment
  UCD148790  Leptosiphon bicolor Ellen Dean; Diana Hickson 2014-4-29 8098 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  RSA79005  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17116 Napa 4 mi N along hwy 29 from jct. of hwy 28 at Woodleaf NW of Calistoga Comment
  UCD70480  Leptosiphon ciliatus P. J. Plummer 1995-5-29 s.n. Napa Napa County Sandy shore of Lake Berryesa. Herbs; flowers magenta with yellow throat. 121 Comment
  UCD167232  Leptosiphon ciliatus Jake Ruygt 2000-5-6 4239 Napa Jericho Canyon, Lawley Toll Road. 320 Comment
  CAS-BOT-BC226694  Leptosiphon jepsonii John Thomas Howell 1926-3-21 1735 Napa Mt. St. Helena, 2 miles below Patten's Comment
  CHSC10563  Leptosiphon parviflorus Lowell Ahart 1969-6-7 Napa Near Lake Berryessa. 243 Comment
  UCD118990  Leptosiphon parviflorus Carolyn Thomas 1974-4-14 10814 Napa near Yountville, close to Thomas Ranch. 274 Comment
  UCD141588  Leptosiphon parviflorus Ellen Dean 2013-4-27 7706 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCD160642  Leptosiphon parviflorus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8731 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD160654  Leptosiphon parviflorus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8740 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  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
  UCD49233  Leptosiphon parviflorus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., between Decker Ridge Rd. jct and Cut-Off Rd. jct. 304 Comment
  UCSC009028  Leptosiphon parviflorus Dylan M. Neubauer 2015-4-24 130 Napa (NCoRI) Dirt road abutting drainage flowing S/N on S side Chiles-Pope Valley Road 301 Comment
  CAS-BOT-BC324163  Lessingia hololeuca Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley Comment
  JEPS106629  Lessingia hololeuca Jake Ruygt 1996-10-19 3798 Napa SE corner of Tubbs lane and Myrtledale Road. 121 Comment
  UCD39140  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  OBI15787  Lessingia nemaclada Robert F. Hoover 1966-8-23 9930 Napa Butts cy near Lake co line Comment
  UCD69064  Lessingia nemaclada P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. 285 Comment
  CAS-BOT-BC341993  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa Canyon of south fork of Butts Creek Comment
  UC87931  Lessingia ramulosa D. Cleveland 1882-8-23 Napa Aetna Springs Comment
  JEPS82264  Lessingia ramulosa Roger Raiche 1983-7-2 30460 Napa along Snell Valley Road near road marker NAPA 2 40 Comment
  POM260695  Lessingia ramulosa C. M. Belshaw, H. L. Mason 1936-9-20 2688 Napa Inner North Coast Range: 3 miles northwest of Knoxville Comment
  RSA22231  Lessingia ramulosa G. Ledyard Stebbins 1936-9-19 2081 Napa About 5 miles northeast of Knoxville Comment
  UC178860  Lessingia ramulosa Katharine Brandegee Napa near Pope's Store Comment
  UCD48078  Lewisia rediviva D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 8 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. top of hill, south of path. 548 Comment
  CAS-BOT-BC451586  Lilaea scilloides Peter H. Raven 1951-6-24 3027 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UCD161347  Lilaeopsis masonii Jake Ruygt 1986-5-17 1773 Napa East bank of Napa River at historic site of Suscol. (Coordinates estimated by label maker at UC Davis). 0 Comment
  JEPS122716  Lilium pardalinum Jake Ruygt 1984-6-23 1569 Napa St. Helena Creek near Livermore Road. Quad: Detert Reservoir. Comment
  JEPS17375  Limnanthes douglasii Rimo Bacigalupi with John Dawson 1955-4-25 4842 Napa 2 1/2 mi s Imola (along CA Hwy 29) Comment
  UC971805  Limnanthes douglasii Annetta Carter 1942-4-19 1668 Napa meadow 2 mi s Staggs Leap Comment
  UC971871  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-27 1138 Napa about 5 mi s Monticello (along Monticello-Napa road) Comment
  RSA0062956  Linanthus androsaceus Reino Alava 1957-5-30 992 Napa Near the end of State Highway no. 37, in the southern end of Capell Valley. 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
  CAS-BOT-BC94929  Linanthus dichotomus R. C. Wenk; E. S. Wenk 2006-4-30 441 Napa Robert Louis Stevenson S.P., trail going E from Highway 29 parking lot for trail to M. St. Helen Comment
  UC903158  Linanthus dichotomus Ethel Crum 1937-4-19 1786 Napa 17 mi ne Napa; Napa Range, Steel Canyon Comment
  POM182740  Linanthus dichotomus subsp. meridianus D. D. Keck 1931-4-2 1044 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  JEPS58110  Linanthus parviflorus W. L. Jepson 1915-4-23 6255 Napa Conn Valley Napa Range Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  UC1238002  Linanthus parviflorus John Weiler 1961-4-16 6181 Napa 2 mi s Napa State Hospital (along State Highway 12) Comment
  UC52371  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS37735  Lithocarpus densiflorus W. L. Jepson 1894-10-14 Napa Rebecca Ranch grade; Upper Napa Valley Comment
  CAS-BOT-BC430625  Lithophragma affine L. R. Abrams 1928-5-3 12245 Napa Summit Mt. St. Helena Grade Comment
  RSA734141  Lithophragma affine Keith E. Hoffmaster 1946-3-23 1238 Napa Napa Range Comment
  JEPS110627  Lithophragma heterophyllum Jake Ruygt 1977-4-7 177 Napa 2.8 miles NW of Mt. Veeder Rd. on Redwood Rd. 243 Comment
  UC1196487  Lithophragma heterophyllum J. P. Tracy 1902-5-15 1470 Napa 3-4 mi e of Angwin's head of Moore's Creek; Howell Mountain, head of Moore's Creek 396 Comment
  UCD73395  Lithophragma heterophyllum 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
  UCD102717  Lithophragma heterophyllum Collector unknown 1931-4-19 s.n. Napa Calistoga. Comment
  UCD20028  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1210 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  UCD170197  Lithophragma parviflorum var. parviflorum Daniel Potter 2015-3-14 760 Napa Knoxville Wildlife Area, near small creek southwest of Zim Zim Creek. 303 Comment
  UCD18093  Logfia filaginoides Ellen Dean; with PLB 102 class 2000-4-29 649 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC342440  Logfia gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville 152 Comment
  JEPS84597  Logfia gallica John W. Willoughby 1977-4-20 2146 Napa w side of range The Vaca Mountains (lattitude approximately that of Mount Vaca) 457 Comment
  UC527950  Logfia gallica R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6657 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD36954  Lolium Beecher Crampton 1956-5-25 3490 Napa Sarco Creek Canyon. Comment
  UCR49784  Lolium perenne subsp. multiflorum J. Nevin 1987-5-22 35 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  UCR178676  Lomatium californicum K. Mogel, M. Higley, B. Pekin 2002-5-4 009 Napa Vaca Mtns, Quail Ridge UC Reserve. Northern tip of ridge, N of the junction of West and East roads, c. 1000 ft along the lower road that leads to the power lines, immediatly downslope of road 305 Comment
  HSC38125  Lomatium californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2350 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  UC659026  Lomatium californicum Mildred E. Mathias 1937-5-23 1299 Napa 13 mi. s.e. Napa Co. Line (on Knoxville Rd.) Comment
  UCD149638  Lomatium caruifolium var. caruifolium Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD15988  Lomatium dasycarpum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 5 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11'' N; 122 deg. 21' 13'' W; 530 m. Comment
  UCD20784  Lomatium dasycarpum V. (Shorty) Boucher 2002-3-27 3 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of the intersection of West and East roads, along upper Ridge road (just north of intersection of western Ashley easement road and Ridge Road). On the road through burned chaparral at the north tip of the peninsula. 320 Comment
  UC723788  Lomatium dasycarpum subsp. dasycarpum Joseph Andorfer Ewan 1934-4-30 8829 Napa near Samuel Springs above Monticello (Pope Valley Grade); Pope Valley Grade Comment
  JEPS81574  Lomatium dasycarpum subsp. dasycarpum R. Raiche 1982-3-7 20209 Napa on hill at n.e. side Detert Reservoir (on Butts Canyon Rd.) 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
  UC1563884  Lomatium hooveri Barbara Ertter with Annetta Carter 1989-5-28 8507 Napa Near Knoxville (2 mi. s.e. of Lake Co. line on Berryessa Rd., hills s. of rd.); extreme n. Napa Co. 609 Comment
  UC650720 Image available Lomatium hooveri Mildred E. Mathias 1937-5-23 1298 Napa 1.9 mi se Napa-Lake County line (on road to Knoxville); ; Knoxville, Napa Co. Comment
  UCD161342  Lomatium macrocarpum Jake Ruygt 1985-5-25 1604 Napa Napa County : American Canyon, 0.4 mile east of Flosden Road. (Coordinates estimated by label maker at UC Davis). 91 Comment
  JEPS129176  Lomatium marginatum var. purpureum Jake Ruygt 2015-3-7 6032 Napa South of Snell Peak. Aetna Spring 7.5' Quad. Comment
  JEPS14276 Image available Lomatium marginatum var. purpureum W. L. Jepson 1894-5-1 14320 Napa red ridge facing mouth of Conn Valley; Napa River Basin; Mouth of Conn Valley, Napa River Basin Comment
  JEPS41087  Lomatium marginatum var. purpureum Rimo Bacigalupi and L. R. Heckard 1965-5-15 9090 Napa 0.5 mi. s.e. of Devilhead Rd. from Knoxville to Cedar Valley (headwaters of Zim Zim Creek); Zim Zim Creek 487 Comment
  RSA452596  Lomatium marginatum var. purpureum J. T. Howell 1931-4-19 6466 Napa Conn Valley (region of type locality) Comment
  UC1197151  Lomatium marginatum var. purpureum J. P. Tracy 1899-6-14 414 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 365 Comment
  UC963883  Lomatium marginatum var. purpureum Milo S. Baker 1931-4-2 5126 Napa along road to Middletown seven mi from Pope Valley Store Comment
  UCD161354  Lomatium marginatum var. purpureum Jake Ruygt 1987-5-23 2009 Napa North end of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 441 Comment
  JEPS81067  Lomatium marginatum var. purpureum Joseph M. DiTomaso 1980-6-13 1584 Napa Hwy 128, 5 mi NW of jct with Hwy 121 Comment
  CAS-BOT-BC217801  Lomatium repostum Peter H. Raven 1951-6-10 2913 Napa Crater Regoin, E. of Mt. St. Helena 762 Comment
  CAS-BOT-BC217805  Lomatium repostum G. L. Stebbins 1971-5-2 8006 Napa Ranch of Giles Mead, along Atlas Mountain Road, northeast of Napa 487 Comment
  UCD82616  Lomatium repostum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  UCD81823  Lomatium utriculatum Ellen Dean 2009-4-24 5450 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS104516  Lomatium vaginatum Jake Ruygt 1993-4-3 3186 Napa Oat Hill Mine Rd. below the Palisades. 658 Comment
  UCD95687  Lonicera hispidula Ellen Dean; with Clare Loughran 2011-5-20 7032 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  UC1536786  Lonicera hispidula var. vacillans G. H. True 1937-6-21 733 Napa near Lokoya Lodge 365 Comment
  CAS-BOT-BC240799  Lonicera interrupta John H. Thomas 1958-4-19 7126 Napa About 2 miles SW of Oakville 152 Comment
  UCD147531  Lonicera interrupta Ellen Dean; Diana Hickson 2014-4-29 8085 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD20507  Lonicera interrupta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1080 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  JEPS126121  Lonicera involucrata var. ledebourii Jake Ruygt 1997-5-10 3848 Napa Atlas Peak Road about 0.2 miles south of Foss Valley (Mead). Capell Valley 7.5' Qua. Comment
  HSC43986  Lotus humistratus Robert M. Specht 1977-4-19 691 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS19449  Lotus micranthus A. M. Ottley 1921-5-6 1337 Napa between Santa Rosa and Calistoga; Hoods Peak Range Comment
  JEPS107202  Lotus strigosus Jake Ruygt 1997-5-18 3857 Napa Bismark Knob 615 Comment
  POM66958  Lotus wrangelianus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD65952  Ludwigia peploides subsp. montevidensis B. J. Grewell 2006-9-19 06- 71 -LU Napa Lake Hennessey where reservoir overflow backs up into confluence with Sage Creek south of Hwy 128. 97 Comment
  UCD78329  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-9-14 05- 20 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 99 Comment
Read comments
Oct 2 2009
  UCD115938  Lunaria annua Elsie Zeile Lovegrove 1954-4-21 s.n. Napa Along road below Lokoya. Comment
  JEPS85667  Lupinus John Thomas Howell 1926-3-20 1701 Napa s side Mt. St. Helena; , s side 457 Comment
  RSA13515  Lupinus affinis H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  UC127019  Lupinus albifrons Willis L. Jepson 1893-5-4 Napa just above Toll-house, Mt. St. Helena (Mt. St. Helena); Napa River Basin, Mt. St. Helena Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  CAS-BOT-BC201559  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Howell Mt. Comment
  JEPS107230  Lupinus bicolor Jake Ruygt 1980-5-13 889 Napa Campbell Flat, Mt. St. John 316 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
  UCD47994  Lupinus bicolor Michele Disney; J. Westbrook,S. Ratay,,R. Wolfson,A. Houser,S. Wathen 2000-4-22 17 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD48964  Lupinus bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 1 Napa Quail Ridge UC Reserve, northern top of ridge, alongside lower road leading to power lines, just N of intersection with East and West roads. 335 Comment
  JEPS48859  Lupinus bicolor Elsa Kraeger 1926-3-27 Napa near Soscol; near Soscol Comment
  RSA264961  Lupinus bicolor subsp. umbellatus George E. Johnston 1974-4-4 10739 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  SEINET10488633  Lupinus chamissonis Charles Piper Smith 1947-5-5 Smith 47202 Napa Cordelia, 3.4 mi. W, hwy 40. Comment
  JEPS65233  Lupinus formosus var. formosus W. L. Jepson 1897-5-2 71 t Napa St. Helena Comment
  JEPS107217  Lupinus microcarpus var. densiflorus Jake Ruygt 1989-5-24 2348 Napa Fagan Creek at South Kelly Rd. 21 Comment
  JEPS107218  Lupinus microcarpus var. densiflorus Jake Ruygt 1980-4-22 838 Napa 1.3 miles east of Pope Valley Middle Rd. on Pope Canyon Rd. 187 Comment
  OBI48335  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  RSA739595  Lupinus nanus John Dittes 2003-4-5 2003 -14 Napa Inner N CoastRange, 6 air miles N of Calistoga, W of confluence of St. Helena and Van Ness Creeks, 0.7 air mile S of the Lake County line. Below Hwy 29. 476 Comment
  UC156988  Lupinus nanus Joseph P. Tracy 1903-5-15 1847 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  OBI17959  Lupinus nanus Lewis S. Rose 1964-4-2 64014 Napa St. Helena 76 Comment
  SEINET8056980  Lupinus nanus K. Suhr 1967-3-24 s.n. Napa Steele Park Resort, south shore of Lake Berryessa. Comment
  UC126969  Lupinus nanus Willis L. Jepson 1893-4-26 Napa St. Helena , St. Helena (Napa River Basin) Comment
  UCD19869  Lupinus nanus C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1196 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  JEPS126089  Lupinus pachylobus Jake Ruygt 1995-6-3 3485 Napa Mount St. Helena, 100 yards from Highway 29 summit. Detert Reservoir 7.5' Qua. 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
  RSA672427  Lupinus sericatus Lyman Benson 1935-5-19 6656 Napa Mount St. Helena 915 Comment
  UCD161642  Lupinus sericatus Jake Ruygt 2005-5-11 4836 Napa Oat Hill Mine Road, upper Swartz Canyon. (Coordinates converted from UTM data by label maker.) 701 Comment
  UCD148805  Lupinus succulentus Ellen Dean; Diana Hickson 2014-4-29 8112 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  POM202756  Lupinus vallicola subsp. apricus I. L. Wiggins 1932-3-12 5765 Napa Between Franz Valley and Calistoga. Comment
  UC1152134  Luzula comosa Joseph P. Tracy 1933-4-30 12098 Napa head Moore's Creek (now Las Posadas Forest, Howell Mountain); Howell Mountains, head of Moore's Creek, now Las Posadas For Comment
  UCD167070  Luzula comosa var. comosa Jake Ruygt 2007-3-3 5122 Napa Las Posadas States Forest, in upper meadow north of fire station. 521 Comment
  UCD149681  Luzula subsessilis Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD168553  Luzula subsessilis 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
  JEPS120343  Lythrum californicum Jake Ruygt 2000-6-10 4275 Napa Adams Creek. Walter Springs 7.5' Quad. Comment
  JEPS45953  Lythrum hyssopifolia Willis L. Jepson 1893-6-26 14091 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  JEPS112656  Lythrum tribracteatum Jake Ruygt 1983-8-19 1497 Napa Marina Dr., Napa 4 Comment
  CAS-BOT-BC343834  Madia elegans Alice Eastwood 1918-9-3 7957 Napa Mt. St. Helena Comment
  JEPS106545  Madia elegans Jake Ruygt 1979-7-28 782 Napa corner of Adams St. and HWY 29,Yountvill 36 Comment
  CDA10870  Madia exigua G. F. Hrusa, M. Rejmanek 1993-5-15 10965 Napa UC Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS38329  Madia exigua W. L. Jepson 1938-5-22 18828 Napa Snell Valley Comment
  UCD111672  Madia exigua Christopher Mallek 2007-5-13 s.n. Napa Knoxville. 593 Comment
  JEPS106549  Madia gracilis Jake Ruygt 1986-8-10 1898 Napa Recreation Flat, Los Posados State Forest 377 Comment
  UCD13155  Madia gracilis Kathleen Worden 1981-5-24 10 Napa Highway 128, 2.2 miles southeast of Moskowitz Corner. Comment
  UCD20728  Madia gracilis Ellen Dean; w/ Mark Bibbo 2002-6-17 1106 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  CAS-BOT-BC343192  Madia gracilis Bruce G. Baldwin 1986-4-28 601 Napa 3.3 miles west of junction with Lower Chiles Valley Road along California State Highway 128 Comment
  CAS-BOT-BC343207  Madia gracilis Ira L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles north-east of Calistoga Comment
  POM315932  Madia gracilis Patricia Wilder 1965-6-9 3601 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  CAS-BOT-BC8139  Madia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  CDA8258  Madia madioides T. C. Fuller 1958-5-1 3717 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  POM298296  Madia nutans D. D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  CAS-BOT-BC345045  Madia sativa Peter H. Raven 1952-5-26 4042 Napa St. Helena to Howell Mt. 304 Comment
  CAS-BOT-BC345052  Madia sativa David D. Keck 1933-11-10 2717 Napa Calistoga Comment
  JEPS106679  Madia sativa Jake Ruygt 1987-6-6 2035 Napa end of Redwood Rd.private residence of Mr.Kublor 396 Comment
  UC33194  Madia sativa Willis L. Jepson 1894-5-1 Napa hills e St. Helena; Napa River Basin Comment
  RSA434859  Malacothamnus helleri Peter H. Raven 1965-5-15 20205 Napa On divide between Zim Zim Creek and Nevada Creek, 5 miles SSE of Knoxville 396 Comment
  JEPS106900  Malacothrix clevelandii Jake Ruygt 1982-5-15 1260 Napa Stag's Leap on Soda Canyon side. Yountville 7.5' Quad. 426 Comment
  CAS-BOT-BC347518  Malacothrix floccifera Alice Eastwood; John Thomas Howell 1939-6-11 7423 Napa Hood Mt. Range sw. of Oakville Comment
  UC1069945  Malacothrix floccifera B. Schreiber 1936-3-5 2206 Napa 0.3 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UCD21543  Malacothrix floccifera B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 9 Napa California, Napa County, McLaughlin Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, N side of road. 487 Comment
  JEPS122721  Malva parviflora Jake Ruygt 1978-6-25 368 Napa 1.5 mile west of Old Sonoma Road on Highway 12. Quad: Napa 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
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  UCD20830  Medicago polymorpha N. Nicola 2001-3-30 046 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UC767182  Melica californica R. F. Hoover 1941-5-10 499 Napa between St. Helena and Calistoga Comment
  UCD48192  Melica californica A. Van Houtte; E. Leger, C. Hohn 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just west of Monticello Dam; North of Research Station, north of junction with South Decker Canyon Rd. 365 Comment
  OBI21986  Melica geyeri Peter H. Raven 1957-5-5 10757 Napa Hills at the W edge of Calistoga Comment
  UCD81834  Melica geyeri Ellen Dean 2009-4-24 5464 Napa Property at 600 Petrified Forest Road. 170 Comment
  UCD87302  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St. Helena Grade. Comment
  UCD66807  Melica spectabilis K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  POM126094  Melica subulata Joseph P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 396 Comment
  CAS-BOT-BC264219  Melica torreyana Carl B. Wolf 1928-5-3 1812 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC264222  Melica torreyana David D. Keck 1931-4-2 1034 Napa Wooden Valley Grade, east side of Napa Range, 8 miles from Napa Comment
  SACT001542  Melica torreyana John Willoughby 1977-4-20 Napa blue oak woodland/chaparral ecotone; in shade of Quercus wislizenii 365.76 Comment
  UCD18072  Melica torreyana Ellen Dean; with Plant Biology 102 class 2000-4-22 627 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
  CDA32528  Melica torreyana P. B. Kennedy 1928-4-15 Napa Blake Estate, south east of Pacific Union College, Angwin 0 Comment
  CHSC83412  Melilotus indicus L. P. Janeway; B. Castro 2002-5-12 7534 Napa Inner North Coast Ranges. Flats along the small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  CHSC102250  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 134 Comment
  JEPS112574  Mentha pulegium Jake Ruygt 1979-7-12 747 Napa 1.1 miles NE of Monticello Rd. on HWY 128 274 Comment
  UCD20708  Mentha pulegium Mark Bibbo 2002-7-28 78 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
  JEPS63441  Mentha spicata Willis L. Jepson August, 1892 14927 Napa Napa Valley Comment
  UC1239690  Mentha spicata Joseph P. Tracy 1899-7-3 403 Napa on hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, Moore's Creek, Howell Mountain 335 Comment
  RSA781272  Mentzelia laevicaulis J. T. Howell 1927-6-24 265 Napa Pope Valley Creek near Walter s Springs. Comment
  UCR44909  Mentzelia laevicaulis 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
  JEPS112571  Mentzelia laevicaulis var. laevicaulis Jake Ruygt 1997-7-5 3870 Napa White Cliff Springs east of Soda Valley Comment
  CAS-BOT-BC428857  Micranthes californica Alice Eastwood 1918-5-1 6848 Napa Mt. St. Helena Comment
  CDA12105  Micropus californicus G. F. Hrusa 1989-4-24 5963 A Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  RSA736572  Micropus californicus Keith E. Hoffmaster 1946-3-29 1047 Napa Putah Canyon, near Napa county line. 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
  RSA695590  Micropus californicus var. californicus Keith E. Hoffmaster 1946-4-13 1048 Napa Putah Canyon, Coast Range Comment
  UC50010  Microseris acuminata Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  POM41557  Microseris douglasii subsp. douglasii Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC348971  Microseris douglasii subsp. douglasii Peter H. Raven 1950-5-6 2027 Napa Near Old Faithful Geyser midway between Rts. 28 and 29 just N. of Calistoga 182 Comment
  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
  RSA602371  Mimulus aurantiacus Louis C. Wheeler 1952-8-30 6879 Napa Manganese Ridge: Moore Creek, Howell Mountain 366 Comment
  UCD49283  Mimulus aurantiacus C. Mathews; C. Little, K. Glover, and T. Petrie 2001-4-14 18 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 315 ft. N of creek, 160 ft. NE of small dry creek bed. 167 Comment
  JEPS10222  Mimulus aurantiacus var. aurantiacus W. L. Jepson 1904-6-3 2449 Napa Howell Mt. Napa Range Comment
  JEPS15186  Mimulus aurantiacus var. aurantiacus H. E. Malmoten 1923-4-20 65 Napa 182 Comment
  JEPS115732  Mimulus cardinalis Lowell Ahart 2009-10-12 16451 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  UCD122512  Mimulus cardinalis D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  POM204271  Mimulus congdonii J. T. Howell 1931-4-2 6071 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  JEPS128874  Mimulus douglasii Jake Ruygt 1999-5-15 4157 b Napa North side of Ritchey Canyon, near Bothe State Park. Calistoga 7.5' Quad. Comment
  JEPS11027  Mimulus guttatus W. L. Jepson 1893-4-25 28 m Napa w St. Helena (trail to Caux's Cabin); Hood's Peak Range Comment
  UC103695  Mimulus guttatus T. S. Brandegee Aug. 1888 Napa Howell Mt. Comment
  RSA50066  Mimulus guttatus G. R. Campbell 1948-6-18 656 Napa 5 miles north of Calistoga on road from Middleton. Comment
  SEINET10813590 Image available Mimulus guttatus Charles F. Baker 1903-4-19 Baker 1980 Napa Calistoga. Colonies occasional in muddy meadows near sulphur springs. Comment
  SEINET7041068  Mimulus guttatus Christopher T. Ivey 2002-4-23 359 Napa East side of Chiles-Pope Valley Road, 4.2 miles south of Pope Canyon Road. Comment
  SEINET7041071  Mimulus guttatus Christopher T. Ivey 2002-4-30 362 Napa Along margins of Smittle Creek near Lake Berryessa in the Smittle Creek Recreation Area, 8.6 mile north of Highway 128 on Knoxville-Berryessa Road. Comment
  JEPS110586  Mimulus kelloggii Jake Ruygt 1980-5-3 869 Napa Bear Valley 731 Comment
  UC886248  Mimulus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  JEPS9263  Mimulus latidens Willis L. Jepson 1893-4-27 31 m Napa Napa Napa River Basin, Lower Napa Valley Comment
  JEPS100379  Mimulus layneae Dean W. Taylor 2001-5-15 17656 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS110609  Mimulus layneae Jake Ruygt 1980-6-17 921 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 640 Comment
  UCD169782  Mimulus layneae Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 790 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCD63858  Mimulus layneae Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  POM311171  Mimulus layneae Milo S. Baker 1947-7-7 11849 Napa Along wood road leading southerly from Mt. St. Helena Inn ca 1.5 mi. 3000 ft at end of Rd. 915 Comment
  JEPS11351  Mimulus microphyllus Willis L. Jepson 1893-5-2 7 m Napa e Calistoga (on the New Pope Valley grade); Napa River Basin, Napa Range Comment
  JEPS11436  Mimulus microphyllus W. L. Jepson 1921-5-6 9168 Napa Yountville 30 Comment
  UC1301190  Mimulus microphyllus Helen K. Sharsmith 1963-3-17 5216 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UC26939  Mimulus microphyllus Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  JEPS11359  Mimulus nasutus Jepson 1893-5-1 13 m Napa near Calistoga; Upper Napa Valley Comment
  UCD122657  Mimulus nasutus Alan P. Godlewski 1974-5-3 8 Napa West of Lake Berryessa. Comment
  LA86543  Mimulus nudatus J. M. Tucker; 1965-5-15 3826 Napa Cedar Valley, Devilhead Road, ca. 4 mi. (airline) S, and a little W of Knoxville 655 Comment
  UC1731235  Mimulus nudatus Dean W. Taylor 1998-6-18 16674 Napa small side canyon 0.5 mi n of mouth into Pope Valley Butts Canyon; NCoRI 289 Comment
  JEPS110596  Mimulus pilosus Jake Ruygt 1992-6-11 3026 Napa south of Mitten lake, Wild Horse Valley Ranch 438 Comment
  JEPS128903  Mimulus pulsiferae Jake Ruygt 1991-5-1 2665 Napa Intersection Aetna Extension Road with Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC388753  Minuartia douglasii Carl B. Wolf 1928-5-3 1791 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS51499  Minuartia douglasii W. L. Jepson 1938-5-22 18824 Napa Snell Valley Comment
  UCD148764  Minuartia douglasii Jake Ruygt 2007-5-17 5177 Napa Napa County; Duff Ranch, NW of Potato Hill. 777 Comment
  UCD169787  Minuartia douglasii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 795 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  CAS-BOT-BC388761  Minuartia douglasii R. C. Barneby 1954-4-30 11231 Napa Conn Valley, near the slipway 91 Comment
  CDA34679  Mollugo verticillata L. Ahart 2009-10-27 16499 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
  UCD167260  Mollugo verticillata Jake Ruygt 1991-6-29 2753 Napa 3.2 miles north of Pope Canyon Road on Berryessa Knoxville Road. 121 Comment
  CAS-BOT-BC220619  Monardella villosa John Thomas Howell 1929-5-30 4270 Napa On Pope Valley Creek near Samuels [Samuel] Springs, Napa Range Comment
  SEINET4173667 Image available Monardella villosa Jack Major 1961-6-13 545 Napa Monticello Dam, State Hwy 128 Comment
  JEPS110829  Monardella villosa subsp. villosa Jake Ruygt 1979-6-9 680 Napa 11.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 234 Comment
  CAS-BOT-BC220694  Monardella viridis Peter H. Raven 1951-8-21 3874 Napa Mt. Veeder 762 Comment
  JEPS110825  Monardella viridis subsp. viridis Jake Ruygt 1982-7-18 1368 Napa Cedar Roughs near Guilliam Springs 298 Comment
  SEINET10582239  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 374 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  SEINET10582240  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 368 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  SEINET10582241  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 369 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  SEINET10582242  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 370 Napa Rte. 128, 3.1 miles east from junction with Pope Valley Rd., on left roadside. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  UCD63152  Monolopia major Jake Ruygt 1998-4-22 3931 Napa Blue Monday Mine, Cement Creek Road. 499 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
  UCD20767  Muhlenbergia andina M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 117 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
  UC1198225  Muilla maritima Joseph P. Tracy 1949-4-24 18289 Napa Myrtledale Hot Springs Calistoga 152 Comment
  CAS-BOT-BC515124  Muilla maritima Peter H. Raven 1957-5-5 10743 Napa Near the hot springs, Calistoga 91 Comment
  CAS-BOT-BC259964  Nassella lepida Peter H. Raven 1951-6-26 3053 Napa Wooden Valley Grade 304 Comment
  RSA135806  Nassella lepida John H. Thomas 1955-5-21 5105 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  CAS-BOT-BC260179  Nassella pulchra L. R. Abrams 1928-5-3 12232 Napa St. Helena Grade Comment
  SEINET7073049  Nassella pulchra 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
  CAS-BOT-BC230261  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa Just S of Pope Creek Bridge, S of Walters Springs Comment
  POM215775  Navarretia cotulifolia D. D. Keck 1933-5-29 2350 Napa Just south of Pope Creek Bridge, south of Walter Springs Comment
  UCD167177  Navarretia heterodoxa Jake Ruygt 1982-6-19 1329 Napa Soda Canyon west of grade. 396 Comment
  JEPS120320  Navarretia intertexta subsp. intertexta Jake Ruygt 2006-6-11 5049 Napa Southwest part of Walnut Flat, near Wildlake. Saint Helena 7.5' Quad. Comment
  UCD36945  Navarretia intertexta subsp. intertexta Beecher Crampton 1956-5-25 3470 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS112532  Navarretia intertexta subsp. intertexta Jake Ruygt 1994-6-14 3403 Napa near Butts Canyon, E of intersection with Ink Grade 231 Comment
  JEPS112521  Navarretia jepsonii Jake Ruygt 2002-5-8 4417 Napa Missimer/Snell Valley Wildflower Preserve 179 Comment
  RSA128369  Navarretia jepsonii P. H. Raven 1950-6-20 s.n. Napa Just above Aetna Springs, Pope Valley Comment
  RSA3362  Navarretia jepsonii Katherine Brandegee 1910-7-26 s.n. Napa Near Aetna Springs Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UCD36407  Navarretia mellita Beecher Crampton 1953-7-14 1512 Napa Napa County, 5 miles south of Middletown, northeast slope of Mount Saint Helena. Comment
  UCD164826  Navarretia paradoxinota Jake Ruygt 2012-6-2 5859 Napa Spanish Valley. 213 Comment
  CAS-BOT-BC232673  Navarretia pubescens John H. Thomas 1955-5-21 180 J Napa Near State Highway No 128 and Cappell Creek, about 12 miles E of St Helena 274 Comment
  JEPS110949  Navarretia pubescens Jake Ruygt 1977-5-1 209 Napa east end of Westgate Dr. 115 Comment
  UCD170457  Navarretia pubescens Daniel Potter; Ninh Khuu 2016-6-8 886 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  CAS-BOT-BC232670  Navarretia pubescens John Thomas Howell 1933-6-4 11390 Napa E of Napa Comment
  POM204471  Navarretia pubescens Thos. Howell 1933-6-4 11390 Napa Hills east of Napa Comment
  SEINET12350537  Navarretia pubescens Unknown 1959-5-26 5258 Napa Vaca Mountains, Marley Canyon, along State highway 128 Comment
  UC133924  Navarretia pubescens J. P. Tracy 1899-6-17 434 Napa Adobe Flat Howell Mt. 426 Comment
  JEPS70448  Navarretia squarrosa Willis L. Jepson 1893-9-24 20948 Napa Angwin's Meadow Napa River Basin, Howell Mt. Comment
  UCD36406  Navarretia squarrosa Beecher Crampton 1953-7-14 1511 Napa Napa County, 5 miles south of Middletown, northeast slope of Mount Saint Helena. Comment
  JEPS101625  Navarretia subuligera Dean W. Taylor 1998-6-3 16458 B Napa basin in headwaters Cedar Canyon, between Twin Peaks and Sugarloaf Mountain, at end of road up (west from) Aetna Springs 548 Comment
  JEPS110945  Navarretia tagetina Jake Ruygt 1986-5-24 1784 Napa Butts Canyon Rd. at Ink Grade 237 Comment
  JEPS70479  Navarretia tagetina W. L. Jepson 1930-10-19 15689 Napa Pope Valley Comment
  JEPS16709  Navarretia tagetina Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4125 Napa 5.25 mi n Calistoga (along road to Middletown (State Highway 29)) 411 Comment
  UCD167203  Navarretia tagetina Jake Ruygt 1982-5-26 1289 Napa 0.3 miles south of Old Bale Mill on east side Highway 29. 86 Comment
  SEINET10464791  Nemacladus capillaris Chisaki 1957-5-30 CHISAKI 971 Napa By Soda Creek, between Chiles Valley and Monticello Comment
  OBI20979  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa Above Soda Crk along State hwy 28, 8.2 mi E of Conn Lake reservoir Comment
  JEPS85032  Nemophila heterophylla Larry Heckard and Mary Ashton 1969-5-3 2206 Napa ca 7 mi ne Napa (off the Atlas Peak Rd., Mead Ranch); ne of Napa, Mead Ranch, off Atlas Peak Rd. 457 Comment
  UC131501  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena Comment
  UCD120070  Nemophila heterophylla M. Wiesendanger 1928-4-5 857 Napa Monticello-Napa Rd. Comment
  UCD37576  Nemophila heterophylla Beecher Crampton 1955-4-7 2452 Napa Napa County, at border with Solano and Yolo Counties, 7 miles west of Winters, 0.25 mile west of Recreation Beach of Putah Creek, Vaca Mountains, east facing slope of Cold Canyon. Comment
  UCD49089  Nemophila heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd. 182 Comment
  UCSB5319  Nemophila heterophylla Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37; 500 feet above valley floor 304 Comment
  POM203711  Nemophila heterophylla J. T. Howell 1931-4-2 6063 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  POM248912  Nemophila heterophylla Lincoln Constance 1938-3-27 2035 Napa East slope 5 miles east of Napa, in the Howell Mountains, North Coast Ranges. 457 Comment
  RSA92829  Nemophila heterophylla Peter H. Raven 1950-5-6 2033 Napa Shaded south limits of Calistoga, on Route 28. 61 Comment
  UC126919  Nemophila menziesii H. P. Chandler 1906-4-17 6077 Napa Comment
  UCD120237  Nemophila menziesii G. L. Webster 1967-3-23 7494 Napa c. 1 mi S of Spanish Flat. 167 Comment
  SEINET5730453 Image available Nemophila menziesii Stephen L. Clement 1973-1 25- 4 -8 Napa 11.6 miles south of Pope Valley, Napa County.; Pope Valley Comment
  UCD23405  Nemophila menziesii Leslee Newton 1977-4-16 6 Napa Erect plants 2-4 inches tall, leaves green, pinnately lobed and pubescent, stems also pubescent. Flower petals with blue margins and veins, the rest white. Foothill woodland, scattered patches of 3-4 individuals in open field. 6.4 miles SSW of Monticello Dam on Highway 128. 182 Comment
  JEPS1885  Nemophila menziesii var. atomaria Mrs. Mary Van E. Ferguson 1919-4-13 205 Napa near Atlas; near Atlas Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  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
  POM263485  Nemophila menziesii var. menziesii J. C. Roos 1939-3-31 308 Napa Angwin. Howell Mtns. Comment
  SEINET5521059  Nemophila parviflora var. parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  CDA34663  Nicotiana acuminata var. multiflora L. 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 Winters. Comment
  UC1188017  Nicotiana quadrivalvis H. M. Wheeler Oct 1942 Napa Conn Creek; Conn Valley Comment
  JEPS113971  Odontostomum hartwegii Jake Ruygt 1992-5-25 3003 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. 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
  JEPS15795  Oenanthe sarmentosa Willis L. Jepson 1893-4-24 14228 Napa hills e. St. Helena (to Conn Valley Rd., Howell Mt. Foothills); Napa R. Basin, Howell Mt. Foothills Comment
  UCD132729  Olea europaea Ramona Robison 2012-4-26 s.n. Napa Bale Gristmill State Historic Park, Near parking area and around historic mill. 121 Comment
  JEPS110571  Orobanche fasciculata Jake Ruygt 1987-5-16 1993 Napa Devil's Canyon north of falls 579 Comment
  JEPS47330  Orobanche fasciculata L. R. Heckard and Rimo Bacigalupi 1965-5-15 1458 Napa Along Zim Zim Creek, about 2 1/2 air miles south of Knoxville. Comment
  UCR23528  Orobanche uniflora John C. Roos 1939-5-6 293 Napa Napa Range, (near Angwin?) Comment
  JEPS80612  Orobanche valida subsp. howellii Glenn Clifton 1981-1-1 7863 Napa Devilhead Creek Knoxville Quad., Devilhead Creek Comment
  RSA31988  Orthocarpus densiflorus A. A. Heller 1941-5-17 16136 Napa 2 miles north of Windsor on US Highway 101. Comment
  UCD120790  Osmorhiza berteroi Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7330 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UC658974  Osmorhiza berteroi Mildred E. Mathias 1937-5-23 1282 Napa Mount St. Helena; along Hwy 29 533 Comment
  UCD160342  Oxalis oregana Nellie Coffey 1931-2-1 s.n. Napa Chiles Valley. Comment
  SEINET9352078  Packera clevelandii Unknown 1993-10-3 11425 Napa Moist edges of stream w/n stand of Cupressus sargentii. 2.6 mi SW along Knowville-Devilhead Rd from Knoxville-Berryessa Rd. Comment
  CAS-BOT-BC316877  Packera eurycephala var. eurycephala Joseph Andorfer Ewan 1934-4-30 8826 Napa Near Samuels Springs above Monticello on Pope Valley Grade Comment
  CAS-BOT-BC316878  Packera eurycephala var. eurycephala Peter Raven 1950-6-20 2397 Napa Dry vernal flats between Pope Valley P. O. & Aetna Springs Comment
  UC131781  Packera eurycephala var. eurycephala C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  JEPS23639  Packera greenei R. F. Hoover 1941-6-8 5319 Napa e side Mt. St. Helena Comment
  SDSU491  Packera greenei D. F. Howe 1966-6-3 4265 Napa 14.0 miles south of Middletown. 305 Comment
  CAS-BOT-BC253676  Panicum capillare Beryl O. Schreiber 1936-9-20 2355 Napa 5 miles S of Reiff 762 Comment
  OBI22057  Panicum capillare Robert F. Hoover 1966-8-23 9933 Napa Butts Cyn near Lake Co line Comment
  UC1023570  Panicum capillare Virginia Bufford 1936-9-20 436 Napa near Mineral Spring (Lower Lake, Knoxville Road); Lower Lake, Mineral Spring Comment
  UC1131609  Panicum capillare B. Schreiber 1936-9-20 2355 Napa 5 mi s Reiff; Reiff Quad. Comment
  UCD20764  Panicum capillare M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 113 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UC917153  Pedicularis densiflora D. C. Finfrock 1950-4-2 17 Napa 7.2 mi from St. Helena (on road to Pope Valley) Comment
  UCD123314  Pedicularis densiflora D. C. Finfrock 1950-4-2 17 Napa 7.2 miles from St.Helena on road to Pope Valley. Comment
  UCD123329  Pedicularis densiflora H. Popenoe 1949-5-1 18 Napa 1 mile from Pacific Union College, beside road to Pope Valley. Comment
  UCD48364  Pellaea andromedifolia M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 13 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines on lower road. 274 Comment
  UC197940  Pellaea mucronata var. mucronata C. F. Sonne 1895-4-1 Napa Soda Springs Comment
  SJSU1365  Penstemon heterophyllus J. W. Tilden 1953-5-24 1037 Napa NE slope Mt St Helena 457 Comment
  JEPS110744  Penstemon heterophyllus var. heterophyllus Jake Ruygt 1979-6-2 666 Napa 4.7 miles north of Monticello Rd. on Atlas Peak Rd. 347 Comment
  NY601784  Penstemon heterophyllus var. purdyi H. T. Edwards 09 1875 s.n. Napa St. Helena Comment
  CAS-BOT-BC327995  Pentachaeta alsinoides John Thomas Howell 1933-6-4 11386 Napa Hills E of Napa Comment
  JEPS60091  Pentagramma triangularis subsp. triangularis W. L. Jepson 1943-5-15 20777 Napa Knoxville Ridge Comment
  SEINET3873442  Pentagramma triangularis subsp. triangularis Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 138 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  UCD48366  Pentagramma triangularis subsp. triangularis S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 7 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
  CAS-BOT-BC71677  Pentagramma triangularis subsp. triangularis Betty H. Johnson 1958-6-20 275 Napa above Old Toll Road, ca. 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  UC178642  Perideridia gairdneri subsp. gairdneri K. Brandegee Aug. 1888 Napa Howell Mountain Comment
  JEPS12438  Perideridia kelloggii Willis L. Jepson 1901-8-6 1727 Napa Howell Mt. grade Napa River Basin Comment
  JEPS12439  Perideridia kelloggii W. L. Jepson 1915-4-23 6252 Napa Conn Valley Napa Range Comment
  UC20890  Perideridia kelloggii Willis L. Jepson 1892-6 Napa Knoxville grade to Lower Lake Mountain Region of Clear Lake Comment
  CAS-BOT-BC413489  Persicaria amphibia Milo S. Baker 1942-8-26 10380 Napa On cross road across Napa Valley S. of Calistoga Comment
  UC131534  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena 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
  HSC43967  Phacelia divaricata Robert M. Specht 1977-4-11 619 Napa Drainage at Pocock Creek 500 Comment
  UCD167993  Phacelia divaricata James A. Neilson Jr. 1977-4-13 3870 Napa Oat Hill Mine Rd., 1/2 mile east Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  UC131126  Phacelia egena Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC1228238  Phacelia egena J. R. Sweeney, H. L. Mason, R. Bacigalupi 1953-6-8 Napa top of grade of rd over e flank of mt Mt. St. Helena (from Calistoga to Middletown) 670 Comment
  UCD81821  Phacelia imbricata Ellen Dean 2009-4-24 5448 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC265792  Phalaris aquatica Peter H. Raven 1951-6-24 3025 Napa Brown's Valley to Napa-Sonoma Road 91 Comment
  UCD88033  Phalaris aquatica Beecher Crampton 1962-5-16 6428 Napa Aetna Springs. Comment
  UC187260  Phalaris caroliniana Joseph P. Tracy 1903-5-15 1851 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  SACT001715  Phalaris minor M. Wiesendanger 1927-5-4 Napa Comment
  JEPS110943  Phlox gracilis Jake Ruygt 1979-3-11 447 Napa Trefethen hillside property NE of Carell Lane 152 Comment
  JEPS71124  Phlox gracilis Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UC23584  Phlox gracilis Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  UC638492  Phlox gracilis Mildred Mathias 1937-5-23 1282 Napa w slope Mount St. Helena (along Highway 29) 533 Comment
  CAS-BOT-BC134982  Phoradendron bolleanum H. L. Mason; L. Constance 1939-12-21 s.n. Napa above St. Helena Creek on the shoulder of Mt. St. Helena on the Middletown-Calistoga road to Lake County line Comment
  POM280308  Phoradendron bolleanum subsp. densum Lyman D. Benson 1935-2-25 6245 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
Read comments
Jan 25 2016
  JEPS110812  Phoradendron densum Jake Ruygt 1984-6-30 1580 Napa Cedar Roughs near top 633 Comment
  UC1039590  Phoradendron densum Herbert L. Mason 1926-1-2 2608 Napa Mt. St. Helena, Toll House Canyon Comment
  UC639129  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  UCD49303  Phoradendron leucarpum subsp. tomentosum K. Mogel; B. Pekin and M. Higley 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 800 ft. N of power lines along the road that leads N from the meadow; 50 ft. downslope of road. 320 Comment
  CAS-BOT-BC171138  Phoradendron serotinum subsp. tomentosum Peter H. Raven 1951-8-19 3851 Napa near Lokoya 457 Comment
  SEINET12320621  Phyla nodiflora C. W. Tilforth, Dourley, J. 1979-1 1858 Napa 0.4 MI S of Park Headquarters, W side of Lake Berryesa 137 Comment
  HSC71539  Pickeringia montana J. P. Smith, J. O. Sawyer 1970-5-17 3782 Napa 8 mi. N of Pope Valley Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  UC1197436  Pickeringia montana var. montana Joseph P. Tracy 1899-7-6 398 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UC17042  Pickeringia montana var. montana Willis L. Jepson 1896-2-23 Napa La Jota Falls Napa River Basin, Howell Mt. Comment
  JEPS103974  Pilularia americana Jake Ruygt 1996-5-19 3712 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  JEPS103996  Pinus sabiniana Jake Ruygt 1997-11-1 3876 Napa Stags Leap 432 Comment
  UC1600395  Pinus sabiniana W. L. Jepson 1896-1 Napa St. Helena Comment
  UC1196425  Piperia transversa J. P. Tracy 1899-6-14 446 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  JEPS120416  Piperia transversa Jake Ruygt 2010-6-5 5592 Napa Slopes to south of Snell Valley; Missimer Preserve. Comment
  JEPS60944  Plagiobothrys bracteatus Willis L. Jepson 1893-4-24 21164 Napa hills e of St. Helena to Conn Valley; Napa River Basin Comment
  SBBG28857  Plagiobothrys canescens D. D. Keck 1931-4-3 1057 Napa mouth of Pope Crk, Berryessa Valley, 6 mi NW of Monticello Comment
  UCD120805  Plagiobothrys canescens Beecher Crampton 1955-4-7 2437 Napa Napa County, 7.8 miles north of Monticello. 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
  UCD169884  Plagiobothrys nothofulvus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 723 Napa Knoxville Wildlife Area. 352 Comment
  UC725968  Plagiobothrys nothofulvus A. A. Heller 1929-3-16 14820 Napa grade near foot of Mt. St. Helena Comment
  SEINET12275936  Plagiobothrys scriptus P. H. Raven 1957-1 10741 Napa near the hot springs at the airport, Calistoga 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
  JEPS129157  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2015-5-2 6086 Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  UC1301092  Plagiobothrys stipitatus var. micranthus Helen K. Sharsmith 1963-4-20 5328 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  CAS-BOT-BC228492  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  UC1094322  Plagiobothrys strictus Peter H. Raven 1957-5-5 10741 Napa in moist places near hot springs at the airport; Calistoga Comment
  UC191655  Plagiobothrys strictus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  UC882379  Plagiobothrys strictus Milo S. Baker 1931-4-3 5142 Napa Calistoga Geyser Comment
  UCD38370  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  RSA0008558  Plagiobothrys strictus Joseph P. Tracy 1857 Napa Calistoga Hot Springs. 91 Comment
  UCD167162  Plagiobothrys tenellus Jake Ruygt 2015-3-28 6059 Napa Upper Bohn Lake. 351 Comment
  UCD164837  Plagiobothrys tener var. subglaber Jake Ruygt 2012-4-21 5841 Napa Spanish Valley, southeast. 225 Comment
  UC526819  Plagiobothrys tener var. tener Joseph P. Tracy 1933-6-2 12453 Napa 5 mi e Angwin's (on hills at head Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 518 Comment
  UCD167240  Plantago coronopus Jake Ruygt 1980-6-1 910 Napa Milton Road across from Maury's Yauhts. 0 Comment
  HSC16867  Plantago erecta Greg Bos 1963-3-24 46 Napa NW end of Lake Berryessa at Putah Creek 152 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
  UCD48071  Plantago erecta L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 2 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD49192  Plantago erecta Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  UCD68116  Plantago erecta Hilary Jane Ernst 1981-5-2 25 Napa 2.8 miles Northwest on Highway 128 from Moskowite Corners, to left of road, up trail. In a chaparral plant association, dominated by Pinus sabiniana, on a 10 degree slope. 243 Comment
  UCD81817  Plantago erecta Ellen Dean 2009-4-24 5444 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 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
  POM203259  Plantago erecta J. T. Howell 1931-4-2 6052 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  SEINET5735104 Image available Plantago erecta Carol Moore 1974-1 12 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  UC585983  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knight's Valley road); Northern Coast Ranges 213 Comment
  CHSC102283  Plantago major Lowell Ahart 2009-10-27 16490 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS110777  Platystemon californicus Jake Ruygt 1996-5-4 3642 Napa Butts Canyon Road at James Creek Road; field to SE. 210 Comment
  CAS-BOT-BC91871  Platystemon californicus Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Walters Springs. Comment
  RSA195378  Platystemon californicus var. californicus Gilbert Muth 1967-4-16 632 Napa Snell Valley. 183 Comment
  UC912466  Plectritis brachystemon A. E. Borell 1928-4-13 130 Napa 10 mi s of Petaluma Comment
  UCD49301  Plectritis ciliosa A. Van Houtte; E. Leger and C. Hohn 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UCD137580  Plectritis ciliosa J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  JEPS110901  Plectritis ciliosa subsp. insignis Jake Ruygt 2003-3-22 4474 Napa Ink Grade, about 1 mi W of Pope Valley Road 280 Comment
  UC168965  Plectritis macrocera Joseph P. Tracy 1902-5-15 1483 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC260956  Pleuropogon californicus var. californicus Mabel Wiesendanger 1928-4-5 870 Napa Field opposite geyser, Calistoga Comment
  CAS-BOT-BC244372  Poa annua Ira L. Wiggins 1928-3-25 2879 Napa Roadside 1.5 miles NE of Calistoga Comment
  SBBG29002  Poa annua B. Crampton 1967-5-15 Napa 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  CAS-BOT-BC254904  Poa bulbosa Peter H. Raven 1953-4-2 5280 Napa Tulucay Creek 228 Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 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
  UC184007  Poa howellii Joseph P. Tracy 1902-5-16 1510 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 335 Comment
  UCD91110  Poa howellii Beecher Crampton 1966-5-10 7713 Napa 9 miles east of Rutherford. State Highway 128. Comment
  UCD148605  Poa kelloggii G. F. Hrusa; G. L. Stebbins 1994-4-18 11782 -A Napa along upper Swartz Creek north tributary. 213 Comment
  CAS-BOT-BC246849  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  JEPS122929  Poa napensis Jake Ruygt 1996-4-11 3596 Napa Calistoga Airport. Quad: Calistoga. Comment
  OBI22139  Poa napensis Peter H. Raven 1957-1 Napa Comment
  NY431291  Poa napensis A. A. Beetle 1946-5-7 4256 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
  RSA0000483  Poa napensis A. A. Beetle 1946-5-7 4256 Napa 2 mi. north of Calistoga at Myrtledale Hot Springs. Comment
  UCD91866  Poa pratensis Beecher Crampton 1953-6-2 1435 Napa along Hwy. 53, 8 miles south of Middletown. Comment
  UCD20426  Poa secunda E. Dean; w/ PLB 102 class 2002-5-4 1013 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  JEPS122923  Poa secunda subsp. secunda Jake Ruygt 1983-4-2 1401 Napa End of Green Valley Road. Quad: Mt. George. Comment
  UCD90997  Poa secunda subsp. secunda Frank Gordon 1924-5-1 s.n. Napa Suisun Valley. Comment
  JEPS110823  Pogogyne douglasii Jake Ruygt 1994-6-7 3399 Napa Calistoga Airport 100 Comment
  RSA128671  Pogogyne douglasii Peter H. Raven 1951-5-26 2880 Napa Butts Canyon. 305 Comment
  UCD160701  Pogogyne douglasii Ellen Dean; Jake Ruygt 2015-5-23 8760 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  UCD21501  Pogogyne serpylloides Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4403 Napa Quail Ridge Reserve. 262 Comment
  CDA3400  Polycarpon tetraphyllum J. T. Howell 1943-6-2 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  POM181332  Polycarpon tetraphyllum J. T. Howell 1931-4-19 6438 Napa Conn Creek Wah, Napa Valley Comment
  UCD98414  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  JEPS50531  Polygonum amphibium var. emersum Willis L. Jepson 1894-11-8 Napa Napa City Napa River Basin Comment
  CAS-BOT-BC109155  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109160  Polygonum bolanderi Alice Eastwood 1915-6-6 4683 Napa Mount Saint Helena. Comment
  CAS-BOT-BC109163  Polygonum bolanderi Roxana S. Ferris 1935-10-1 9307 Napa The Palasades near highway over shoulder of Mount Saint Helena. Comment
  UC77395  Polygonum bolanderi Edward Lee Greene 1883-1 Napa Napa Valley Comment
  JEPS50595  Polygonum californicum W. L. Jepson 1930-10-19 15687 Napa Pope Valley Comment
  JEPS112596  Polygonum lapathifolium Jake Ruygt 1986-7-12 1874 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  UC614935  Polygonum lapathifolium Beryl O. Schreiber 1936-8-16 2324 Napa 0.8 mi s Yountville 152 Comment
  JEPS120370  Polygonum majus Jake Ruygt 1986-6-14 1812 Napa Mt. Millhouse Camp, Mt. Saint Helena. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC419846  Polygonum patulum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River Comment
  UC703049  Polygonum ramosissimum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf Napa River Comment
  CAS-BOT-BC71954  Polypodium californicum John H. Thomas 1955-5-21 5122 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CDA34668  Polypogon interruptus L. Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CHSC102289  Polypogon interruptus Lowell Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS100823  Polypogon interruptus Dean W. Taylor 2000-6-29 17471 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  JEPS115748  Polypogon monspeliensis Lowell Ahart 2009-10-12 16465 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  JEPS116570  Polystichum imbricans subsp. imbricans Jake Ruygt 2002-3-16 4362 Napa Troutdale Creek west of Highway 29. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC453918  Potamogeton pectinatus Peter H. Raven 1951-10-28 3943 Napa Conn Lake 152 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
  UCD144220  Prosartes hookeri G. F. Hrusa; G. L. Stebbins 1994-4-8 11708 Napa Las Posadas State Forest. Upper Moore's Creek. 450 Comment
  UCD166659  Prosartes hookeri Jake Ruygt 1990-4-4 2459 Napa Skyline Park on Lake Marie trail, 1/4 [mile] from lake. 201 Comment
  JEPS112641  Prunella vulgaris var. lanceolata Jake Ruygt 1982-6-29 1346 Napa .3 mile south of Old Bale Mill on east side of HWY 29 88 Comment
  UC12814  Prunus subcordata W. L. Jepson 1891-6-1 Napa Vaca Mountains Comment
  UC573181  Prunus virginiana var. demissa B. Schreiber 1936-5-3 2205 Napa .3 mi w of Petrified Forest 274 Comment
Read comments
Jun 12 2012
  JEPS106916  Pseudognaphalium biolettii Jake Ruygt 1988-7-19 3516 Napa Skyline Park, Sugarloaf trail. 420 Comment
  JEPS20436  Pseudognaphalium californicum W. L. Jepson 1936-5-31 17565 Napa in the chamisal on Howell Mountain (at hair-pin turn of the road between the Sanitarium and Four Corners); Napa Range, Howell Mountain Comment
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UC672213  Pseudognaphalium stramineum H. L. Mason 1923-10-6 769 Napa along railroad Suisan Marsh Comment
  UCD91500  Pseudoroegneria spicata B. Crampton 1961-6-13 s.n. Napa North end of Capell Valley, above Capell Creek along State Hwy. 128. Comment
  RSA187448  Pseudotsuga menziesii John H. Thomas 1966-3-22 11534 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 610 Comment
  UCD133367  Pseudotsuga menziesii var. menziesii Beecher Crampton 1955-3-15 2328 Napa Calistoga. Comment
  JEPS129114  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2015-5-6 6090 Napa East side of Highway 221, south of Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UC176863  Psilocarphus oregonus J. P. Tracy 1902-5-19 1551 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  CAS-BOT-BC361892  Psilocarphus tenellus John H. Thomas 1958-4-19 7117 Napa About 2 miles SW of Oakville 152 Comment
  JEPS106924  Psilocarphus tenellus Jake Ruygt 1993-4-12 3193 Napa Milton Road west of the Brazos Bridge a 0 Comment
  UC165837  Psilocarphus tenellus J. P. Tracy 1902-5-17 1526 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  JEPS57990  Pterostegia drymarioides Willis L. Jepson 1893-4-24 Napa hills e. of St. Helena to Conn Valley; Napa R. Basin 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
  JEPS58842  Pyrola aphylla W. L. Jepson 1894-7-19 14664 Napa Mt. St. Helena, just at timber line Comment
  JEPS77932  Quercus X morehus Edward Lee 1935-12-1 1677 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  UCD47020  Quercus X morehus John M. Tucker 1982-5-9 4473 Napa (Q. kelloggii Newb. X Q. wislizenii A.DC.). California, Napa Co.l summit of Blue Ridge, northwest of Vacaville, 1 mi. north of the head of Mix Canyon Road. (On the west side of the road, hence in Napa Co.). 792 Comment
  JEPS37715  Quercus agrifolia W. L. Jepson 1901-11-17 1753 Napa near St. Helena; Napa River Basin Comment
  UCD118400  Quercus agrifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat, just south of main meadow. 387 Comment
  CHSC47414  Quercus berberidifolia Lowell Ahart 1976-3-7 1024 Napa On steep hillsides, on the south side of the road and across a small stream, about 2 miles south-west of the Monticello Dam. 152 Comment
  JEPS116543  Quercus berberidifolia Jake Ruygt 1990-4-7 2460 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  UC126507  Quercus berberidifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7154 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD14676  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  UCD14677  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  UCD14835  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -8 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45210  Quercus berberidifolia G. L. Stebbins Jr. 1948-5-9 3938 Napa South-facing slope, on edge of serpentine formation; Capell Canyon, beside road from Monticello to Rutherford, 9 miles southeast of Monticello, Napa County, California. Comment
  UCSB58649  Quercus berberidifolia Morley, Thomas 1941-5-11 Napa west bank of Putah Creek immediately above junction with Butts Creek 140 Comment
  CAS-BOT-BC62456  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  JEPS37395  Quercus douglasii Willis L. Jepson 1901-8-6 1723 Napa Howell Mt. grade Napa River Basin Comment
  JEPS37396  Quercus douglasii Willis L. Jepson 1901-8-6 1724 Napa Howell Mt. grade Napa River Basin Comment
  UC1135444  Quercus douglasii J. B. Spring 1932-6-27 90 Napa 1.5 mi s and .33 mi e McCormack Ranch; Santa Rosa Quad. 746 Comment
  UC993142  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD45635  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa, abundant on canyon slopes. Comment
  UCD83395  Quercus douglasii Jake Ruygt 1990-4-7 2461 b Napa Lake Hinman, W of Veterans' Home. 134 Comment
  CAS-BOT-BC86438  Quercus dumosa Peter H. Raven 1951-8-20 3855 Napa near Lokoya 518 Comment
  JEPS46658  Quercus dumosa W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  CAS-BOT-BC79835  Quercus durata John H. Thomas 1955-5-21 5164 Napa Near State Highway No. 128 and capell Creek, about 12 mi E of St. Helena 274 Comment
  CDA21880  Quercus durata T. Kono 1968-3-1 Napa Highway 128, 12.9 miles east of Rutherford. 0 Comment
  JEPS37339  Quercus durata Willis L. Jepson 1892-7 Napa near Knoxville; Mountain Region of Clear Lake Comment
  SD225775  Quercus durata John M. Tucker, G. L. Stebbins 1950-11-5 2011 17 Napa Below Conn Valley Dam, hillside across creek from the picnic area Comment
  SFV17680  Quercus durata J. M. Tucker, G. L. Stebbins, Jr. 1950-11-5 2007 30 Napa Beside road up Howell Mountain, 5.6 miles north of St. Helena. Comment
  SFV8728  Quercus durata J. R. Correa 1971-5-29 27 Napa Lower Chiles Valley Road, 1.8 miles from junction with Highway 128. Comment
  UC527836  Quercus durata R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6680 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UCD14815  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -30 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD148823  Quercus durata Ellen Dean; Diana Hickson 2014-4-29 8128 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCR106783  Quercus durata J. M. Tucker 1950-11-12 2014 -24 Napa Hwy 28, 7.7 mi. (by road) west of junction with Hwy 37. Comment
  SBBG25324  Quercus durata var. durata B. Rice 1965-5-15 68 Napa Devilshead Rd, 5 mi N of Cedar Valley 487 Comment
  SBBG50713  Quercus durata var. durata D. Parson 1969-5-24 40 Napa W end of Capell Valley Comment
  UCD96195  Quercus durata var. durata Ellen Dean; with Clare Loughran 2011-5-20 7075 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
  UCR219490  Quercus durata var. durata Jake Ruygt 1980-4-22 854 Napa Devilshead Road 476 Comment
  JEPS37824  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6830 Napa Howell Mt. Comment
  CAS-BOT-BC105300  Quercus kelloggii Alice Eastwood 1922-5-14 11314 Napa Mt. St. Helena Comment
  CAS-BOT-BC105303  Quercus kelloggii Ella Dales Cantelow 1939-4-8 2502 Napa Howell Mountain Comment
  JEPS37763  Quercus kelloggii Willis L. Jepson 1900-3-8 505 Napa St. Helena Napa River Basin Comment
  RSA149  Quercus kelloggii J. T. Howell 1927-8-23 683 Napa Chiles Valley, Napa Range. 213 Comment
  UC5616  Quercus kelloggii unknown 1860-1 1888 Napa Mt. Helena Comment
  UCD46615  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD46665  Quercus kelloggii K. D. Jones 1927-9-10 1707 Napa California Black Oak. Calistoga-Wrights. Comment
  JEPS37469  Quercus lobata Willis L. Jepson 1901-11-17 1751 Napa St. Helena Napa River Basin Comment
  UCD165467  Quercus lobata John M. Tucker 1976-10-24 4379 Napa California, Napa County: On north side of Highway 128, 0.5 mi. east of Moskowite Corner (junction of Highways 128 and 121). Comment
  CAS-BOT-BC104982  Quercus wislizeni Alice Eastwood 1918-5-1 6866 Napa Mt. St. Helena Comment
  UCD149631  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam area at Route 128. Comment
  UCD49054  Quercus wislizeni L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 9 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd., 2 ft. from stream. 152 Comment
  CDA11903  Quercus wislizeni var. frutescens G. F. Hrusa, G. L. Stebbins 1994-4-8 11717 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCD49056  Quercus wislizeni var. wislizeni Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd. just S of jct with Cut-Off Rd. 182 Comment
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 Comment
  JEPS55059  Ranunculus aquatilis var. capillaceus Willis L. Jepson 1893-4-27 Napa Oak Knoll Napa River Basin Comment
  JEPS110892  Ranunculus aquatilis var. hispidulus Jake Ruygt 1982-5-16 1267 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 417 Comment
  HSC59003  Ranunculus arvensis Dan Wyrick 1975-4-22 217 Napa Near Pacific Union College 549 Comment
  CAS-BOT-BC378484  Ranunculus californicus var. californicus Gilbert Muth 1967-4-9 616 Napa Oat Hill 548 Comment
  JEPS110875  Ranunculus hebecarpus Jake Ruygt 1986-3-29 1672 a Napa Toll Canyon 210 Comment
  POM182737  Ranunculus hebecarpus D. D. Keck 1931-4-2 1048 Napa 4 miles S of Monticello, eastern Napa County. Comment
  POM225341  Ranunculus hebecarpus J. T. Howell 1931-4-2 6064 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  POM263498  Ranunculus hebecarpus J. C. Roos 1939-4-1 264 Napa St. Helena Sanitarium, near St. Helena Comment
  JEPS110873  Ranunculus lobbii Jake Ruygt 1979-4-12 502 Napa .2 mile west of Suscol Ave. on Imola Ave 4 Comment
  JEPS110882  Ranunculus lobbii Jake Ruygt 1996-3-23 3529 Napa Wantrop Wildlife Sanctuary, Pope Valley 280 Comment
  UCD83671  Ranunculus muricatus Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 6 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 183 Comment
  RSA638890  Ranunculus muricatus J. A. J.ohnston 1995-5-7 3 Napa Hwy 128, 1 mile W of Markley Cove on Lake Berryessa. 38Y'30'N, 122Y'0'W, alt 700m 700 Comment
  CDA10911  Ranunculus occidentalis G. F. Hrusa, M. Rejmanek 1993-5-15 11007 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS110879  Ranunculus occidentalis Jake Ruygt 1980-4-4 825 Napa Foss Valley 445 Comment
  JEPS126116  Raphanus raphanistrum Jake Ruygt 1998-3-29 3896 Napa Jameson Canyon, north side near bottom of ridge. Cordelia 7.5' Qua. Comment
  UCD54552  Reseda luteola Ellen Dean 2005-10-12 2740 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC427557  Reseda luteola John Thomas Howell 1943-5-11 18067 Napa S. side of Mt. St. Helena Comment
  CAS-BOT-BC427558  Reseda luteola Peter H. Raven 1951-6-10 2896 Napa Rt. #29 n. of Calistoga 106 Comment
  UC1419855  Rhagadiolus stellatus N. Harrison 1976-5-7 1321 Napa Trinity Road near intersection <with> Wall Road Comment
  JEPS110644  Rhamnus crocea Jake Ruygt 1979-5-4 578 Napa Trefethen hillside property east of Carell Lane 152 Comment
  JEPS110666  Rhamnus tomentella subsp. crassifolia Jake Ruygt 1998-6-24 4060 b Napa Goslin Canyon, south of hunting camp. Comment
  RSA7746  Rhamnus tomentella subsp. crassifolia Carl B. Wolf 1928-2-25 1506 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  JEPS753  Rhamnus tomentella subsp. tomentella W. L. Jepson 1897-7-12 13980 Napa near Samuel's Springs Comment
  RSA7865  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1928-2-25 1509 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  SBBG50855  Rhododendron occidentale R. Beaver 1965-5-1 149 Napa 14 mi N of jct of Hwy 121 and 128 Comment
  UCD117978  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  UCD164590  Rhododendron occidentale A. Amezcua 1995-4-29 3 Napa Along the side of Butts Canyon Road, 500 m south of Snell Valley Road. 400 Comment
  UCD20695  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 Napa Napa County, Butts Canyon Rd. along both sides of Butts Creek. Lake Co. line to 500' SE of Co. line, predominately on SW bank, a few on NE bank. Comment
  UCSB4808  Rhododendron occidentale Keator, Glenn 1959-3-28 Napa About 1/4 mile above Conn's picnic grounds near Lake Hennessey, Napa Range Comment
  RSA672063  Rhododendron occidentale var. occidentale A. T. Leiser 1984-9-23 BC- 2 Napa Butts Canyon Rd./Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank. Comment
  JEPS66270  Rhus trilobata W. L. Jepson 1924-5-8 10411 Napa near mouth of Pope Creek (w side of Berryessa Valley); Berryessa Valley Comment
  POM339720  Rhus trilobata F. R. Fosberg 1967-4-1 48417 Napa Hills just south of Lake Berryessa Comment
  UC17961  Rhus trilobata Willis L. Jepson 1894-5-1 Napa Bonn Creek; Napa River Basin Comment
  UC34925  Rhus trilobata Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  CAS-BOT-BC92977  Ribes californicum var. californicum H. E. McMinn 1922-6-8 209 Napa Along Pope Creek. Comment
  JEPS126022  Ribes californicum var. californicum Jake Ruygt 1977-3-6 140 Napa East of Basalt Rock quarry. Mount George 7.5' Quad. Comment
  JEPS129079  Ribes californicum var. californicum Jake Ruygt 2016-4-5 6176 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD49073  Ribes malvaceum S. Murphy; K. Keck and K. Dyer 2002-5-5 19 Napa Quail Ridge UC Reserve, northern tip of ridge, NE from intersection of West and East roads ca. 500 m, along edge of upper road leading out to power lines and tip parcels. 328 Comment
  RSA0021658  Ribes malvaceum D. D. Keck 1931-4-2 1025 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD170208  Ribes malvaceum var. malvaceum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 749 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 363 Comment
  JEPS49457  Ribes roezlii var. cruentum Katharine Brandegee 1909-6-1 Napa summit of Pope Valley Grade from Calistoga; Napa Range, Pope Valley Grade Comment
  RSA0024606  Ribes roezlii var. cruentum W. L. Jepson 1893-4-25 13524 Napa Trail to Caux s Cabin, mountains W of St. Helena. Napa River basin. Comment
  CAS-BOT-BC168759  Ribes victoris Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5329 Napa Soda Creek, e. of chiles Valley 137 Comment
  JEPS110836  Ribes victoris Jake Ruygt 1989-4-1 2243 Napa Oat Hill Mine Rd. west of Halfway House 548 Comment
  POM141904  Ribes victoris W. L. Jepson 1892-05 s.n. Napa Trail to [?] Cabin. Comment
  JEPS34906  Rigiopappus leptocladus Joseph P. Tracy 1938-6-5 15827 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain, hills at head of Moo 365 Comment
  SD125483  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa along state Highway 128, 0.2 miles south of intersection with Berryessa-Knoxville road, Capell Valley Comment
  JEPS53824  Rorippa W. L. Jepson 1936-5-30 17556 Napa Rutherford Napa Valley, Rutherford Comment
  UCD115303  Rorippa curvisiliqua M. Wiesendanger 1927-5-4 668 Napa near Monticello. Comment
  CAS-BOT-BC74592  Rorippa curvisiliqua John Thomas Howell 1926-4-3 1782 Napa Near Yountville. Comment
  CAS-BOT-BC148157  Rosa gymnocarpa Elsa G. Ruckert 1960-5-7 143 Napa Wall Road, 1/4 mile from junction with Dry Creek Road 365 Comment
  CAS-BOT-BC148158  Rosa gymnocarpa A. A. Heller 1924-4-12 13838 Napa About 5 miles south of Calistoga Comment
  UCD159726  Rosa gymnocarpa G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Redwoods. Comment
  UCD17682  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 79 Napa California. Napa County: north of Redwood Lodge along Highway 128. Comment
  CHSC102260  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS115686  Rumex maritimus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  UCD149041  Rumex salicifolius Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8187 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  SEINET741775  Rupertia physodes M. F. Wojciechowski, K. P. Steele 2000-5-20 890 Napa Along CA highway 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  UCD108459  Rupertia physodes Tofsrud 1948-1 s.n. Napa location unknown. Comment
  JEPS129167  Sagina decumbens subsp. occidentalis Jake Ruygt 2015-3-21 6048 c Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  POM203578  Salix I. L. Wiggins 1932-3-12 5752 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC103227  Salix bonplandiana Peter H. Raven 1952-9-14 5177 Napa Conn Creek e. of Yountville 91 Comment
  CAS-BOT-BC108661  Salix breweri M. S. Jussel 1931-4-19 s.n. Napa Pope Valley 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
  UCD164792  Salix breweri Jake Ruygt 1994-3-5 3406 Napa Hunting Creek. 280 Comment
  UC482102  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 33 Napa ca. 2 km. w Calistoga (on main hwy) Comment
  CAS-BOT-BC108196  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa About 2 km. W. of Calistoga, on main highway in roadside ditch. Comment
  UCD73497  Salix laevigata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC107049  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  JEPS13831  Salix lasiolepis Willis L. Jepson 1903-9-6 2345 Napa St. Helena; Napa River Basin Comment
  UCD164812  Salix lasiolepis Jake Ruygt 1990-3-25 2447 Napa Napa River east of Stonehouse Drive. 4 Comment
  CAS-BOT-BC124410  Salix lasiolepis var. lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  CAS-BOT-BC124413  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3044 Napa Sarco Creek e. of Napa 60 Comment
  CAS-BOT-BC129503  Salix melanopsis H. E. McMinn 1923-5-25 958 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  HSC43975  Salvia columbariae Robert M. Specht 1977-4-19 687 Napa Along drainage running NE from Adams Creek 518 Comment
  HSC43987  Salvia columbariae Robert M. Specht 1977-4-13 655 Napa South-facing slope 488 Comment
  UCD48054  Salvia columbariae A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 16 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  SEINET7972676  Salvia columbariae W. Roderick 1967-5-7 s.n. Napa Oakville Road. 152 Comment
  OBI13529  Salvia sonomensis H. E. McMinn 1923-5-25 970 Napa Summit Wooden Valley Comment
Read comments
Dec 13 2012
  UC25739  Salvia sonomensis Willis L. Jepson 1893-5-1 Napa w of Calistoga; Napa River Basin Comment
  UC634916  Salvia sonomensis H. L. Mason 1926-3-22 2795 Napa from Calistoga to Petrified Forest Comment
  UCD73452  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  JEPS106729  Sambucus mexicana Jake Ruygt 1989-5-27 2350 Napa Napa River about 50 yards south of Lincoln Ave., Napa 6 Comment
  JEPS112609  Samolus parviflorus Jake Ruygt 1987-7-13 2070 Napa west bank Napa River just south of Lincoln St. 2 Comment
  RSA90497  Sanguisorba minor Milo S. Baker 1931-7-9 5345 Napa 1/4 mile E of Calistoga Geyser. Comment
  UC1784184  Sanguisorba minor subsp. muricata Ethel Crum 1930-1 813 Napa St. Helena Comment
  CDA10907  Sanicula bipinnata G. F. Hrusa, M. Rejmanek 1993-5-15 11003 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS223  Sanicula bipinnatifida W. L. Jepson 1915-4-23 6267 Napa Chiles Creek hills Napa Range Comment
  UC1197107  Sanicula bipinnatifida J. P. Tracy 1899-6-26 410 Napa 3-4 mi e of Angwin's (Howell Mountain, Head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  JEPS104478  Sanicula crassicaulis Jake Ruygt 1992-4-10 2892 Napa Wild Horse Valley Ranch, meadow north of polo field 478 Comment
  UCD48490  Sanicula crassicaulis C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 4 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail; 20 ft. NW from jct. with West Rd. 15 ft. S of stream. 152 Comment
  UCD128073  Sanicula crassicaulis Bob Threlkel 1964-5-8 7 Napa at creek east of highway; south of Lake Berryessa, at junction of State Highway 37 and 128. 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
  RSA0054872  Scandix Keith E. Hoffmaster 1939-4-6 905 Napa Putah can. 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
  RSA121050  Schedonorus arundinaceus Glenn R. Hall 1956-4-23 s.n. Napa Napa. Comment
  SEINET10333154  Schoenoplectus acutus A. A. Beetle 1940-5-5 1586 Napa One mile north of County Line on road from Vallejo to Napa Comment
  JEPS121371  Scirpus tuberosus Jake Ruygt 1986-8-23 1909 b Napa Lake Hennessey, near spillway. Comment
  JEPS126132  Scleranthus annuus subsp. annuus Jake Ruygt 2010-6-21 5642 Napa Bear Valley north of pond. Detert Reservoir 7.5' Qua. Comment
  UC1158116  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa 3-4 mi e of Angwins (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  JEPS110741  Scrophularia californica subsp. californica Jake Ruygt 2000-4-3 4228 Napa Henry Road, Carneros Valley. 167 Comment
  SEINET9303026  Scutellaria californica Ellen Dean, Bibbo, Mark 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berrysea, just W of Monticello Dam. South Decker Canyon Rd, just S of jct with Cut Off Rd. Shady drainage with Quercus douglasii, Quercus wislizeni, and Symphoricarpos. Comment
  JEPS112644  Scutellaria siphocampyloides Jake Ruygt 1980-6-7 922 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 633 Comment
  RSA518791  Scutellaria siphocampyloides Barbara Ertter, Annetta Carter 1989-5-28 8504 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
  UC1713646  Scutellaria siphocampyloides Goff and Calvi 1936-5-1 Napa 5.5 mi from Napa (on Monticello Road up old wagon road 1/4 mi, (then left to on top of ridge near eucalyptus tree)); North Bay Counties Comment
  CDA11429  Scutellaria tuberosa G. F. Hrusa, M. Tu 1995-5-6 12152 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  JEPS62856  Scutellaria tuberosa Willis L. Jepson 1893-5-9 14939 Napa sw of St. Helena (Napa Valley, Niebaum's Dam); Napa Valley, Niebaum's Dam Comment
  UC1713659  Scutellaria tuberosa O. H. Kappler 1941-3-3 Napa Las Trancas Comment
  UC25836  Scutellaria tuberosa Willis L. Jepson 1893-5-9 Napa Nebaum's Dam; Napa River Basin, Nebaum's Dam 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-BC417003  Sedella pumila John Thomas Howell 1939-5-7 14656 Napa Napa Comment
  RSA201806  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa Just N of Soscol House restaurant, ca. 2 miles S of Napa State Hospital, State Hwy 29. Comment
  SFV12213  Sedella pumila W. R. Russell 1967-5-10 s. n. Napa Just north of Soscol House restaurant, about 2 miles south of Napa State Hospital on State Highway 29. Comment
  CAS-BOT-BC63778  Sedum radiatum subsp. radiatum Milo S. Baker 1926-3-30 s.n. Napa Mt. St. Helena- 1/2 miles E of Inn Comment
  CAS-BOT-BC63834  Sedum spathulifolium David D. Keck 1933-5-29 2354 Napa Pope Creek bridge, south of Walters Springs. Comment
  HSC65069  Sedum spathulifolium var. spathulifolium J. P. Smith, J. O. Sawyer 1970-5-17 3773 Napa 3 mi. S of Pope Valley Comment
  JEPS103971  Selaginella wallacei Jake Ruygt 1994-3-19 3326 Napa Top of the Palisades. 716 Comment
  POM197729  Selaginella wallacei John Thomas Howell 1930-3-23 4557 Napa E of Mt St Helena Inn, near Mt St Helena. Comment
  UC1301214  Senecio aronicoides Helen K. Sharsmith 1963-4-20 5336 a Napa southern slopes Mt. Atlas; San Francisco Bay Region, southern slopes of Mt. Atlas 609 Comment
  UCR45099  Senecio clevelandii 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
  RSA15117  Senecio eurycephalus J. T. Howell 1935-5-12 12626 Napa Pope Creek Canyon one mile below Samuels Springs. Comment
  JEPS37181  Senecio flaccidus var. douglasii W. L. Jepson 1894-10-13 Napa Conn Creek, mouth of Conn Valley Conn Valley Comment
  UCD33551  Senecio flaccidus var. douglasii Beecher Crampton 1969-10-14 8521 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  JEPS106856  Senecio sylvaticus Jake Ruygt 1985-3-30 1581 Napa Deer Park Rd. at Crestmont Drive 441 Comment
  UCD19942  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  CAS-BOT-BC85825  Sequoia sempervirens Peter H. Raven 1964-5-9 19072 Napa Grove along dirt road 2 miles west of Aetna Springs Comment
  UC401313  Sequoia sempervirens C. F. Sonne 1897-4-1 Napa near Napa City Comment
  SEINET5607927 Image available Sequoia sempervirens Richard Vanderwall Unknown Napa Calistoga Comment
  CAS-BOT-BC240237  Setaria viridis Peter H. Raven 1952-9-14 5182 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC240238  Setaria viridis Peter H. Raven 1952-9-14 5183 Napa Napa State Game Farm 121 Comment
  UC28464  Sherardia arvensis H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD167172  Sidalcea calycosa subsp. calycosa Jake Ruygt 1982-6-21 1332 Napa Suscol Plain near Kaiser Steel, Rocktram. 1 Comment
  JEPS110709  Sidalcea diploscypha Jake Ruygt 1995-6-3 3484 Napa Mt. St. Helena, 100 yds from HWY 29 summit. 679 Comment
  SBBG100017  Sidalcea diploscypha B. Ertter, A. Carter 1989-5-28 8500 Napa Berryessa-Knoxville Rd N of Lake Berryessa, 4.7 mi S of Knoxville tunnel, along Eticuera Crk 304 Comment
  UCD41312  Sidalcea diploscypha Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 4 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  RSA195296  Sidalcea hartwegii Gilbert Muth 1967-5-17 674 Napa Oat Hill Road, Calistoga 244 Comment
  UCD167287  Sidalcea hartwegii Jake Ruygt 1998-6-8 4017 b Napa Atlas Peak Road, entry road to Milliken Reservoir. Comment
  UCD170452  Sidalcea keckii Daniel Potter; Ninh Khuu 2016-6-8 881 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 562 Comment
  UCD116607  Sidalcea keckii John D. Atkin 1952-5-1 6 Napa on north slope of Portugese Canyon, about 1 mile up Putah Creek from Recreation Beach. Comment
  UC108877  Sidalcea oregana subsp. hydrophila T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  RSA92932  Silene antirrhina P. H. Raven 1951-6-6 3056 Napa Wooden Valley Grade. 305 Comment
  UC1300951  Silene gallica Helen K. Sharsmith 1963-4-20 5339 Napa southern slopes Mt. Atlas (San Francisco Bay Region); , southern slopes Mt. Atlas 609 Comment
  UCD37323  Silene laciniata subsp. californica Beecher Crampton 1959-5-26 5260 Napa Napa County, north end of Capell Valley, Capell Creek. Comment
  UCD148757  Silene verecunda Jake Ruygt 1998-6-22 4047 Napa Napa County; Buzzard's Roost. 617 Comment
  CDA7653  Silybum marianum T. C. Fuller 1957-12-17 Napa 3 miles west of Napa. 0 Comment
  JEPS59331  Silybum marianum W. L. Jepson 1936-6-2 17606 Napa banks Napa River (near bridge on road to Sanitarium, St. Helena); banks Napa River, St. Helena Comment
  UCD47952  Sisymbrium officinale M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 7 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UCD74404  Sisymbrium orientale Jake Ruygt 2000-5-17 4260 Napa Devilhead Rd. at top of first grade. 493 Comment
  SEINET7072564  Sisyrinchium bellum A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  UCD35481  Sisyrinchium bellum Beecher Crampton 1957-4-15 3929 Napa Napa County; Vaca Mtns., Markley Canyon. Comment
  UCD125728  Sisyrinchium bellum Eric S. Nagy 1990-4-15 001 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  JEPS113974  Smilax californica Jake Ruygt 1989-5-27 2349 Napa Napa River about 50 yards south of Lincoln Ave., Napa. Napa 7.5' Quad. Comment
  UCD166658  Smilax californica Jake Ruygt 2001-10-17 4339 Napa 1.3 miles NE of Trancas Street on Napa River. 6 Comment
  CHSC102304  Solanum americanum Lowell Ahart 2009-10-12 16456 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CAS-BOT-BC231733  Solanum umbelliferum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  JEPS110920  Solanum umbelliferum Jake Ruygt 1980-4-22 860 Napa 11.3 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 231 Comment
  OBI9134  Solanum umbelliferum R. L. Hoover 1968-4-11 21 Napa 1 block W of hwy 1 on Palm Ave, Marina Comment
  SEINET9340520  Solidago californica Unknown 1993-10-3 11424 Napa Dry bottom of wash w/n Quercus druata/Cupressus macnabiana chaparral. 2.1 m SW along Knoxville-Devilhead Rd. from Knoxville-Berryessa Rd. Comment
  OBI74554  Solidago elongata David J. Keil 1986-11-8 19790 Napa Along lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill Comment
  JEPS2865 Image available Sparganium californicum Edward Lee Greene 1883-1 Napa Calistoga Comment
  UC1198270  Sparganium erectum subsp. stoloniferum Joseph P. Tracy 1938-8-7 16093 Napa between Napa City and Yountville; Napa Valley 30 Comment
  UC2043156  Spartium junceum Barbara Ertter with Jake Ruygt 1996-4-25 14604 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  CDA3446  Spergularia bocconi H. Stabo 1979-4-26 Napa Residence at 41 Magnolia, Calistoga. 0 Comment
  CAS-BOT-BC390744  Spergularia marina John Thomas Howell 1932-10-8 10809 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC390566  Spergularia rubra Elsa Ruckert 1960-4-9 79 Napa 6495 Dry Creek Road. Terrace in front of house 365 Comment
  JEPS62962  Stachys ajugoides W. L. Jepson 1894-11-7 14960 Napa Asylum Field Napa Comment
  UCD166675  Stachys ajugoides Jake Ruygt 1982-6-21 1339 Napa Suscol plain, just east of steel mill, Rocktram. 2 Comment
  JEPS62967  Stachys ajugoides var. rigida Willis L. Jepson 1894-5-3 14967 Napa St. Helena Napa River Basin Comment
  JEPS63068  Stachys ajugoides var. rigida Willis L. Jepson 1893-4-24 14982 Napa hills e St. Helena (to head of Conn Valley); Napa River Basin Comment
  JEPS84662  Stachys ajugoides var. rigida John W. Willoughby 1976-5-18 1711 Napa Gates Canyon Vaca Mountains 274 Comment
  JEPS112628  Stachys albens Jake Ruygt 1979-6-18 712 Napa corner of Snell Valley Rd. and Butts Can yon Rd. 195 Comment
  UCD148847  Stachys albens Ellen Dean; Diana Hickson 2014-4-29 8150 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 462 Comment
  SEINET9308544  Stachys bullata Unknown 1998-5-12 10 Napa Napa County Comment
  UCD13127  Stachys rigida Kathleen Worden 1981-5-24 11 Napa Napa CO. Highwy 128, 2.2 miles southeast of Moskowitz Corner, Comment
  UCD49105  Stachys rigida var. quercetorum K. Hyun Chung; J. Deusterman, C. Ineich, and M. Hauselt 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., ca. 400 ft. as the crow flies NNW of jct of West Rd. and South Decker Canyon Rd. 230 Comment
  UCD81440  Stachys rigida var. quercetorum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  UCD83669  Stachys rigida var. quercetorum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 4 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  JEPS106612  Stellaria nitens Jake Ruygt 1996-4-10 3575 Napa Soda Spring, White Cliff Springs 396 Comment
  UCD20023  Stellaria nitens C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1215 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  UCD35506  Stephanomeria elata Beecher Crampton 1956-9-28 3881 Napa Vaca Mtns, floor of Wragg Canyon. Comment
  CAS-BOT-BC375743  Stephanomeria virgata Peter H. Raven 1951-10-28 3950 Napa 1-3 mi. e. of Chiles [Chiles] Valley 304 Comment
  CDA34655  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above the 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 miles (air) west of Winters. Comment
  CHSC102285  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SBBG128109  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa just above high water line of Lake Berryessa, along the W side of Capell Crk N of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  SEINET10893290  Stipa pulchra David D. Keck 1931-4-2 Keck 1033 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  JEPS27000  Streptanthus breweri Joseph P. Tracy 1905-7-6 2219 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  JEPS30824  Streptanthus breweri W. L. Jepson 1938-6-8 18901 Napa rocky walls Butts Canyon Comment
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  JEPS106607  Streptanthus breweri var. breweri Jake Ruygt 1981-5-6 1019 Napa .2 miles east of Walter Spprings bridge on Pope Rd. 207 Comment
  JEPS106608  Streptanthus breweri var. hesperidis Jake Ruygt 1979-6-9 682 Napa 21.1 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 512 Comment
  UC1198806  Streptanthus breweri var. hesperidis Joseph P. Tracy 1902-5-16 1488 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  CAS-BOT-BC87152  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6453 Napa Conn Valley. Comment
  UC1278007  Streptanthus glandulosus subsp. glandulosus B. Crampton 1957-5-16 4043 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UC630653  Streptanthus glandulosus subsp. glandulosus John L. Morrison and Florence L. Morrison 1938-4-25 2993 Napa rock outcrop to left of hwy ca 5 mi n Napa Comment
  UCD161701  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2010-5-1 5528 Napa southwest of end Cedar-Pocock Creek Road. (Coordinates converted from UTM data by label maker.) 365 Comment
  UCD74406  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1996-4-27 3636 b Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  UCD81180  Streptanthus glandulosus subsp. glandulosus Roger Willmarth; A. Fulks 2009-4-10 s. n. Napa Inner North Coast Range along Napa/Yolo County border. Blue Ridge on the east side of Lake Berryessa, north of Green Canyon. 487 Comment
  UCD116022  Streptanthus hesperidis Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties, Butts Canyon. Comment
  UCD167106  Streptanthus hesperidis Jake Ruygt 2015-6-13 6127 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  CAS-BOT-BC87393  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa At junction of Hunting Creek with Rare Plant Canyon. 365 Comment
  UCD161709  Streptanthus morrisonii Jake Ruygt 2010-7-5 5663 Napa east of White Point. (Coorindates converted from UTM data by label maker.) 658 Comment
  UCD164230  Streptanthus morrisonii N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 308 Napa Hunting Creek. 337 Comment
  UC1224684  Swertia albicaulis var. nitida G. Ledyard Stebbins 1964-5-24 6156 Napa about 0.5 mi w Corona Mine (Calistoga Quad.) (in hills w of Aetne Springs) 670 Comment
  UCD38863  Symphoricarpos albus var. laevigatus Beecher Crampton 1962-10-9 6703 Napa 1.25 miles southwest Angwin. Comment
  UCD63194  Symphyotrichum chilense Jake Ruygt 2005-3-20 4703 Napa Alston Park, Dry Creek Rd., Napa. 54 Comment
  CAS-BOT-BC98078  Symphyotrichum lentum Peter H. Raven 1951-6-24 3002 Napa Napa 30 Comment
  JEPS104532  Symphyotrichum spathulatum Jake Ruygt 1978-8-7 390 Napa .3 miles west of Big Ranch rd. on Oak Knoll Ave. 22 Comment
  SBBG128792  Symphyotrichum subulatum L. Ahart 2009-10-27 16476 Napa below high water line of Lake Berryessa, ca. 400 yars E of Eticuera Crk, ca. 300 yards E of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd 130 Comment
  CHSC106847  Symphyotrichum subulatum var. parviflorum Barbara Ertter; Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128. 91 Comment
  UC9704  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  UC16393  Thermopsis californica var. californica Willis L. Jepson 1893-4-27 Napa Napa City Comment
  UCD108615  Thermopsis californica var. californica B. Crampton 1953-3-24 1025 Napa Along Hwy. 128, about 10 miles east of Rutherford. Comment
  UCD148806  Thermopsis californica var. californica Ellen Dean; Diana Hickson 2014-4-29 8113 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD16029  Thermopsis californica var. californica N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 17 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 3-4.5 dm tall, flowers yellow. Comment
  HSC43964  Thermopsis macrophylla Robert M. Specht 1977-4-11 617 Napa Along drainage of Pocock Creek 500 Comment
  CAS-BOT-BC66479  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4574 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  SEINET7072529  Thysanocarpus curvipes A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  SEINET7073051  Thysanocarpus curvipes A. G. Vestal 1963-4-8 s.n. Napa Napa Valley on Route 128 just southeast of the turn off to Pope Valley (Deer Park Road). UTM Zone 10, 544932mE, 4263019mN. Coordinate datum: NAD27. Comment
  UC1127030  Thysanocarpus curvipes B. O. Schreiber 1938-4-24 2496 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  UC650402  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa grade on old road to Lake Co. above Calistoga Comment
  UCD81816  Thysanocarpus curvipes Ellen Dean 2009-4-24 5443 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC66484  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6098 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66502  Thysanocarpus curvipes Peter H. Raven 1953-4-2 5274 Napa Hill west of Tulucay Creek. 243 Comment
  CAS-BOT-BC66512  Thysanocarpus curvipes Lewis S. Rose 1935-4-18 35099 Napa Steel Canyon. Comment
  UCD14242  Thysanocarpus curvipes M. A. LeFevre 1974-4-6 53 -4e Napa Along Highway 128 at Monicello Dam on Lake Berryessa. 304 Comment
  UCD74413  Thysanocarpus curvipes Jake Ruygt 1991-5-11 2672 Napa Little Bear Valley near Sugarloaf Mtn. 694 Comment
  UCR17696  Thysanocarpus curvipes var. elegans E. Turula 1975-3-29 76 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  CAS-BOT-BC67311  Thysanocarpus radians Peter H. Raven 1953-4-2 5244 Napa Hills south of Imola. 121 Comment
  JEPS54220  Thysanocarpus radians W. L. Jepson 1900-3-10 534 Napa hills e St. Helena Comment
  UCD74411  Thysanocarpus radians Jake Ruygt 2002-4-17 4388 Napa North of Foss valley, Atlas Peak Vineyards (Antinori). 463 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
  JEPS48375  Torreya californica W. L. Jepson 1924-4-27 10385 Napa Mt. St. Helena at Toll House Mt. St. Helena Comment
  LA5971  Torreya californica J. M. Tucker; 1954-4-22 2699 Napa Mt. St. Helena, beside Highway 29, E side of mountain, 1 mi N of summit of road Comment
  POM125420  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mount St. Helena Comment
  SBBG322  Torreya californica C. H. Lamoureux, J. M. Tucker, R. Gankin 1957-4-11 1203 Napa St Hwy 29, 8 mi N of Calistoga Comment
  JEPS46485  Toxicodendron diversilobum W. L. Jepson Jan. 1898 Napa St. Helena Comment
  JEPS63912  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19476 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63926  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6236 Napa hills e. St. Helena Comment
  SD106154  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6236 Napa Hills east of St. Helana Comment
  UCD110460  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -b Napa Knoxville. 593 Comment
  UCD139880  Toxicoscordion venenosum var. venenosum P. B. Kennedy 1929-5-23 s.n. Napa St. Helena highway to Pope Valley. Comment
  SEINET9366903  Trichostema lanceolatum Unknown 1997-8-17 Napa Pope Valley Comment
  UC127171  Trichostema lanceolatum Harley P. Chandler Sep 7-14 1906 7136 Napa Alta Loma Ranch Howell Mountain 304 Comment
  UCD18360  Trichostema lanceolatum L. S. Kimsey 1997-8-17 s.n. Napa Pope Valley, 0.25 miles south of Aetna Springs. Comment
  UCR200670  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville, Berryessa-Knoxville Road, UC MacLaughlin Reserve, Research Hill 625 Comment
Read comments
Mar 8 2013
  JEPS120349  Trichostema ruygtii Jake Ruygt 2004-8-7 4642 Napa Green Valley Ranch near Solano County line. Mount George 7.5' Quad. Comment
  JEPS120352  Trichostema ruygtii Jake Ruygt 1991-8-1 2808 Napa Los Posados Road near fire station. Saint Helena 7.5' Quad. Comment
  UC1871375  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  UCD166645  Trichostema ruygtii Jake Ruygt 2004-7-17 4628 Napa Hills east of Napa Valley Country Club, east of Third Ave., south of Hagen Rd. 249 Comment
  UCD166646  Trichostema ruygtii Jake Ruygt 1998-8-15 4105 Napa Atlas Peak Road, Mead Ranch. 487 Comment
  UCR25326  Trientalis latifolia John C. Roos 1939-4-29 290 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UC1925878  Trifolium Ethel Crum 1931-1 1064 Napa Pope Valley Comment
  UC457175  Trifolium albopurpureum var. albopurpureum David D. Keck 1931-4-2 1039 Napa 10 mi from Napa (between Wooden Valley and Monticello); east base of the Napa Range Comment
  UC16488  Trifolium albopurpureum var. dichotomum Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  JEPS106692  Trifolium albopurpureum var. olivaceum Jake Ruygt 1996-4-12 3602 Napa Blue Ridge, north of Monticello Dam. 609 Comment
  JEPS126124  Trifolium angustifolium Jake Ruygt 2009-5-18 5408 Napa American Canyon Road, near Highway 80; north side of road. Cordelia 7.5' Qua. Comment
  UC2043168  Trifolium bifidum Barbara Ertter with Jake Ruygt 1996-4-25 14599 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD48025  Trifolium bifidum J. Pierner; S. Burgess, A. Hufton, A. Ryan, and B. Takahashi 2000-4-29 12 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  POM225841  Trifolium bifidum var. decipiens J. T. Howell 6465 Napa Conn Valley Comment
  UCD108300  Trifolium ciliolatum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  JEPS65835  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-5-1 13737 Napa Upper Napa Valley Napa River Basin (Calistoga) Comment
  UC16483  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  UC555402  Trifolium depauperatum var. depauperatum H. L. Mason 1928-4-13 4336 Napa near spring (Reili School) Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  JEPS106803  Trifolium depauperatum var. truncatum Jake Ruygt 1992-5-7 2939 b Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  UCD21503  Trifolium depauperatum var. truncatum Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4405 Napa Quail Ridge Reserve. 262 Comment
  UCD170821  Trifolium dichotomum 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD33218  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. 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
  JEPS106809  Trifolium fucatum Jake Ruygt 1984-4-21 1530 Napa Tubbs Lane at Myrtledale Rd. 118 Comment
  JEPS65885  Trifolium fucatum Willis L. Jepson 1893-4-26 13742 Napa Rutherford Napa River Basin Comment
  POM262789  Trifolium fucatum var. fucatum J. C. Roos 1939-4-15 279 Napa Pope Valley Comment
  UC137697  Trifolium gracilentum C. F. Baker 1903-4-19 1985 Napa Calistoga Comment
  JEPS33666  Trifolium gracilentum var. gracilentum John Thomas Howell 1926-3-28 1776 Napa near Calistoga (Myrtledale Hot Springs) Comment
  UCD48019  Trifolium hirtum Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 33 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS126093  Trifolium incarnatum Jake Ruygt 1980-2-29 804 Napa Green Island Road at Highway 29. Cuttings Wharf 7.5' Qua. Comment
  UCD111240  Trifolium incarnatum David Slade 1982-4-22 37 Napa Pleasant Valley Road 1.2 mi. w. Highway 128, roadside. 30 Comment
  UCD159935  Trifolium microcephalum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD48984  Trifolium microcephalum M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 19 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UCD48986  Trifolium microcephalum Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd; downslope of West Rd. ca. 20 m. 242 Comment
  UC555460  Trifolium microcephalum H. L. Mason 1928-4-13 4340 Napa near spring (Reili School) Comment
  POM349632  Trifolium microdon J. T. Howell 1934-3-26 s.n. Napa Calistoga geysers. Comment
  UC1300874  Trifolium microdon Helen K. Sharsmith 1963-4-20 5352 Napa above Wooden Valley (Montecello Rd); Napa Range Comment
  UC1197498  Trifolium obtusiflorum Joseph P. Tracy 1902-5-15 1481 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  CDA10894  Trifolium oliganthum G. F. Hrusa, M. Rejmanek 1993-5-15 10989 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS4361  Trifolium oliganthum Willis L. Jepson 1893-4-24 13697 Napa e St. Helena (in hills) Comment
  NY50564  Trifolium petrophilum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  UCD39032  Trifolium variegatum Beecher Crampton 1962-5-8 6414 Napa 2 miles north of Calistoga, Myrtledale Hotsprings meadow. Comment
  POM313549  Trifolium variegatum var. melananthum P. B. Kennedy 1928-5-13 10146 Napa Napa to Sonoma highway 3 miles W. of Napa. Comment
  UC867037  Trifolium variegatum var. variegatum Alice Eastwood 1915-6-5 4638 Napa Calistoga Comment
  CDA31273  Trifolium willdenovii D. G. Kelch 2010-5-6 10 .184 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  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
  JEPS4379  Trifolium willdenovii Willis L. Jepson 1893-4-27 13674 Napa near Yountville; Napa River Basin Comment
  JEPS48858  Trifolium willdenovii Elsa Kraeger 1926-3-27 Napa near Soscol (along rd) Comment
  POM182732  Trifolium willdenovii D. D. Keck 1931-4-2 1053 Napa 4 miles S of Monticello, eastern Napa County. Comment
  RSA195304  Trifolium willdenovii Gilbert Muth 1967-4-16 643 Napa Snell Valley. 183 Comment
  JEPS47270  Trillium albidum W. L. Jepson 1910-3-28 4024 Napa sw of Calistoga (Rebecca Ranch grade); Rebecca Ranch grade Comment
  CAS-BOT-BC520826  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 573 Napa 0.6 mi, W of Cal. Hwy. 29, just SW of Calistoga Comment
  CAS-BOT-BC521016  Trillium chloropetalum var. giganteum Carl B. Wolf 1928-5-3 1833 Napa Base of Mt. St. Helena Comment
  CDA10904  Triphysaria pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 11000 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA11337  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa 1995-4-2 12047 Napa North Coast Biodiversity Arena; SE corner of Chiles-Pope Valley Rd. and Hwy 128, upper end of Hennessey Res. Comment
  UC27197  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin, Upper Napa Valley (Upper Napa Valley) Comment
  UC27200  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin Comment
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  JEPS129029  Triteleia hyacinthina Jake Ruygt 2016-5-21 6263 Napa Wantrup Wildlife Preserve, Hardin Road. Santa Helena 7.5' Quad. Comment
  JEPS64207  Triteleia hyacinthina Elizabeth Ferguson 1920-5-15 347 Napa e Howell Mountain (Pope Creek); e of Howell Mountain, Pope Creek Comment
  RSA195341  Triteleia hyacinthina Gilbert Muth 1967-5-19 698 Napa Milliken Dam. 335 Comment
  HSC81870  Triteleia laxa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5138 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  RSA733901  Triteleia laxa Eva Bayon, Plant Biology 102 Class 2000-4-29 s.n. Napa 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. 427 Comment
  UCD170829  Triteleia laxa 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
  UCD48792  Triteleia laxa A. Collier; D. Caterson and S. Kenady 2002-5-4 15 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, both N and S of road. 335 Comment
  CAS-BOT-BC526511  Triteleia laxa Elsa G. Ruckert 1960-5-20 157 Napa 6495 Dry Creek Road 365 Comment
  UCD21718  Triteleia laxa Robin McMaster 1972-4-9 49 Napa Lake Berryessa, shaded grassy slope. Comment
Read comments
Dec 18 2011
  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
  CDA30787  Triteleia peduncularis V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS118640  Triteleia peduncularis B. Castro and 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. Jericho Valley 7.5' quad. Comment
  UCD160647  Triteleia peduncularis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8733 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD35479  Tropidocarpum gracile Beecher Crampton 1957-4-15 3931 Napa Vaca Mtns., east slope of Wragg Canyon, Hwy. 128. Comment
  CAS-BOT-BC91195  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mount Saint Helena at Mount Saint Helena Inn. Comment
  CAS-BOT-BC91199  Umbellularia californica Peter H. Raven 1954-1-22 6384 Napa Sulfur Springs Canyon just north of the resort. 182 Comment
  CAS-BOT-BC381967  Uropappus lindleyi John H. Thomas 1958-4-19 7115 Napa About 2 miles SW of Oakville 152 Comment
  CAS-BOT-BC381968  Uropappus lindleyi John H. Thomas 1955-5-21 5146 B Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD20427  Uropappus lindleyi E. Dean; w/ PLB 102 class 2002-5-4 1014 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
  UCD69021  Uropappus lindleyi P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. UTM: 10SEN6659 155 Comment
  CDA11154  Vaccinium ovatum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11565 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. above Sarco Creek. Comment
  UCD167017  Vaccinium ovatum Jake Ruygt 1984-3-31 1520 Napa Devil's Canyon. 405 Comment
  CAS-BOT-BC193395  Vaccinium parvifolium Max Kruse 1948-8-7 s.n. Napa Calistoga Comment
  SBBG2297  Vancouveria hexandra H. and M. Dearing 1939-5-2 Napa Napa Redwoods Comment
  JEPS11175  Verbascum blattaria W. L. Jepson 1930-10-19 15705 Napa Conn Creek at mouth of Sage Canyon (Napa Valley); , Conn Creek at mouth of Sage Canyon Comment
  UC27672  Verbascum blattaria Mrs. D. O. Hunt 1899-6-13 Napa St. Helena Comment
  CHSC102528  Verbena lasiostachys var. lasiostachys Lowell Ahart 2009-10-27 16495 Napa Below the high water line of Lake Berryessa, about 50 yards east of Eticuera Creek, about 100 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS110605  Veronica catenata Jake Ruygt 2004-6-12 4616 Napa 3/4 mi E of Blue Monday Mine 335 Comment
  JEPS110574  Veronica peregrina subsp. xalapensis Jake Ruygt 1979-4-12 504 Napa .2 mile west of Soscol Ave. on Imola Ave 4 Comment
  UCD167060  Vicia americana Jake Ruygt 1999-4-27 4141 Napa Las Posadas State Forest. 542 Comment
  JEPS106543  Vicia americana var. americana Jake Ruygt 1979-5-20 611 Napa 1 mile north of College Ave. on Howell Mtn. Rd. 548 Comment
  UC1543124  Vicia americana var. americana Charlotte G. Nast 1936-3-27 62 Napa Childs Canyon Comment
  UCD109152  Vicia villosa subsp. varia Helen K. Sharsmith 1963-4-20 5351 Napa East side Napa Range on Monticello Road above Wooden Valley. 243 Comment
  UC1328138  Viola douglasii Donald V. Hemphill 1940-3-23 59 Napa Pope Valley 304 Comment
  RSA52707  Viola lobata I. L. Wiggins 1949-4-30 12086 Napa E flank of Mt St Helena. 915 Comment
  UC1713553  Viola pedunculata Willis L. Jepson 1893-4-28 Napa n of Mount George (Upland Meadows); Napa River Basin, Upland Meadows Comment