Search Results — 2000 specimen records retrieved (1457 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC102280  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  UC370333  Abutilon theophrasti Mrs. U. C. Jolley Sep 1928 Napa Napa Comment
  UCD116169  Abutilon theophrasti John N. Fiske 1957-9-13 s.n. Napa location unknown. Comment
  UC1719703  Acacia dealbata Barbara Ertter with Jake Ruygt 1996-4-25 14600 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  CAS-BOT-BC331524  Acer macrophyllum Alice Eastwood 1922-3-25 11106 Napa Calistoga Comment
  UCD117059  Acer macrophyllum G. L. Webster 1967-3-23 7486 Napa along Chiles Creek, 1 mile SW of Chiles Grist Mill, Pope Valley Road. 137 Comment
  JEPS104476  Achillea millefolium Jake Ruygt 1992-7-22 3102 Napa Leoma Lakes, Wild Horse Valley Ranch 405 Comment
  JEPS127888  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 216 Napa About 200 meters west of Butts Canyon Rd. Comment
  UCD164483  Achillea millefolium J. A. Johnston 1995-5-7 11 Napa Next to Hwy 128 approximately, 0.5 miles west of Markley Cover on Lake Berryessa. 1000 Comment
  SEINET2145824  Achillea millefolium var. lanulosa H. Popenoe 1949-6-4 36 Napa Putah Canyon, 11 miles west of Winters, on Napa-Yolo county line. Comment
  SEINET11687430  Achnatherum lemmonii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -300 Napa Robert Lewis Stevenson State Park, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC29759  Achyrachaena mollis Peter H. Raven 1950-5-6 2021 Napa near Old Faithful Geyser, N of Calistoga 182 Comment
  JEPS104507  Achyrachaena mollis Jake Ruygt 1989-5-2 2299 Napa Airport Rd., north side about .2 miles west of HWY 29 12 Comment
  UCD18081  Achyrachaena mollis Ellen Dean; with PLB 102 class 2000-4-22 636 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  RSA195339  Achyrachaena mollis Gilbert Muth 1967-5-19 695 Napa Milliken Dam. 335 Comment
  JEPS129110  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6121 Napa Missimer-Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UCD18112  Acmispon americanus var. americanus K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 49 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD81830  Acmispon brachycarpus Ellen Dean 2009-4-24 5460 Napa Property at 600 Petrified Forest Road. 170 Comment
  JEPS129042  Acmispon glaber Jake Ruygt 2016-6-5 6273 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD75711  Acmispon glaber Jake Ruygt 2008-6-25 4931 Napa Peak below and SW of Berryessa Peak. 762 Comment
  UCD149712  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD104557  Acmispon wrangelianus M. Wiesendanger 1927-5-4 684 Napa Near Monticello. Comment
  UCD35290  Acmispon wrangelianus Beecher Crampton 1955-4-7 2434 Napa Napa County; 7.8 miles north of Monticello. 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
  JEPS110561  Adenostoma fasciculatum Jake Ruygt 1976-5-6 54 Napa 2.4 miles NE of Westgate Dr. on Atlas Peak Road 338 Comment
  JEPS44804  Adenostoma fasciculatum W. L. Jepson 1896-6-2 Napa near St. Helena; Napa Valley 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
  UCD160800  Adenostoma fasciculatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8680 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD49134  Adenostoma fasciculatum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 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
  CDA11619  Adiantum aleuticum G. F. Hrusa, G. L. Stebbins 1994-3-11 11591 Napa North Coast Biodiversity Arena; Las Posadas State Forest, in upper canyon of Moore Creek. Comment
  JEPS116552  Adiantum pedatum Jake Ruygt 2005-3-26 4711 Napa Marie Creek, below old dam. Mount George 7.5' Quad. Comment
  UCD167151  Aegilops triuncialis Jake Ruygt 2015-5-9 6094 Napa Missimer - Snell Valley Preserve. 174 Comment
  SEINET11687432  Aegilops triuncialis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -317 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  RSA491724  Aesculus californica James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  SD33877  Aesculus californica Marion Ownbey, Ruth P. Ownbey 1938-7-9 1701 Napa 6.0 miles northeast of Napa. Comment
  UCD49077  Aesculus californica A. Collier; D. Caterson, S. Kenady 2002-5-4 8 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 30 m. 335 Comment
  JEPS104514  Agoseris grandiflora Jake Ruygt 1982-5-1 1303 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  SEINET181203 Image available Agoseris grandiflora Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15291 Napa 20 miles north of Napa Comment
  JEPS36278  Agoseris grandiflora var. grandiflora W. L. Jepson 1923-6-3 9976 Napa e Yountville; Napa Valley, Yountville 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
  CAS-BOT-BC22751  Agoseris heterophylla L. R. Abrams 1928-5-3 12228 Napa Saint Helena Grade Comment
  JEPS104534  Agoseris heterophylla Jake Ruygt 1988-5-29 2193 Napa Cedar Valley 588 Comment
  CAS-BOT-BC22753  Agoseris heterophylla P. H. Raven; G. L. Stebbins 1953-4-19 5316 Napa Steel Canyon 304 Comment
  UC165998  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-21 1602 Napa 3 to 4 mis e, (head of Moore's Cr) Angwin's; Howell Mt., Moore's Creek 426 Comment
  UC29363  Agoseris heterophylla var. heterophylla Willis L. Jepson 1894-5-1 Napa Conn Valley, (Napa River Basin); Napa River Comment
  UC194724  Agoseris hirsuta C. F. Sonne Apr 1888 Napa Comment
  JEPS104577  Agoseris retrorsa Jake Ruygt 1982-5-26 1293 Napa Mt. St. Helena toward The Palisades. Deter Reservoir 7.5' Quad. 731 Comment
  CAS-BOT-BC127401  Agrostis elliottiana Peter H. Raven 1955-4-9 8268 Napa Howell Mountain (west slope). 457 Comment
  CAS-BOT-BC127138  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa Above Capell Creek, north end of Capell Valley. Comment
  CAS-BOT-BC139729  Agrostis gigantea Peter H. Raven 1951-6-24 3010 Napa Napa. 30 Comment
  CAS-BOT-BC139730  Agrostis gigantea Peter H. Raven 1951-6-26 3049 Napa East of Napa on Monticello Road. 60 Comment
  UC187236  Agrostis microphylla J. P. Tracy 1902-5-21 1613 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek, Howell Mountain); Howell Mountain, head Moore's Creek 518 Comment
  JEPS71141  Agrostis pallens W. L. Jepson 1936-7-3 17636 Napa Four Corners Napa Range, Howell Mt. Comment
  UC1158113  Aira caryophyllea Joseph P. Tracy 1950-5-23 18668 Napa La Jota Plateau Northern Coast Ranges, Howell Mountain 518 Comment
  UCD19311  Aira caryophyllea M. A. Bibbo; E. Dean 2001-7-6 3 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  RSA335884  Allium amplectens D. W. McNeal 1977-5-18 2034 Napa 0.2 mile SE of the junction of Lower Chiles Valley Road. Comment
  UC1585992  Allium amplectens Barbara Ertter with Annetta Carter 1989-5-28 8516 Napa on Berryessa Rd. 2 mi se Lake Co. Line (near Knoxville) 609 Comment
Read comments
Jan 14 2009
  CAS-BOT-BC462400  Allium bolanderi B. Crampton 1956-5-25 3477 Napa between Capell and Wooden Valley Comment
  CAS-BOT-BC229  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena Comment
  RSA0000087  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena. Old crater in sand. Comment
  JEPS47592  Allium falcifolium W. L. Jepson 1915-4-23 6250 Napa Conn Valley Comment
  UCD138525  Allium falcifolium R. L. Smith 1948-5-8 s.n. Napa 6 miles north Aetna Springs, Pope Valley. Comment
  CAS-BOT-BC469024  Allium falcifolium M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC469027  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles E of Pope Valley Comment
  CAS-BOT-BC469031  Allium falcifolium H. C. Cantelow 1939-4-8 3906 Napa 3 1/2 miles NW of Knoxville Comment
  JEPS81597  Allium falcifolium R. Raiche 1982-3-7 20208 Napa ridge above Detert Reservoir (on Butts Canyon Road) Comment
  UC353887  Allium falcifolium Milo S. Baker 1927-5-1 2147 a Napa Calistoga-Middletown Hiway 3 or 4 mi n Toll House Comment
  UCD161515  Allium falcifolium Jake Ruygt 1990-4-8 2472 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  UC608386  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  CAS-BOT-BC472796  Allium neapolitanum Merrel Ackley 1956-4-1 s.n. Napa 2 miles east of Napa Comment
  RSA123628  Allium serra Milo S. Baker 1932-4-26 5969 Napa Pope Creek along road to Pope Valley. Comment
  JEPS69369  Allophyllum divaricatum W. L. Jepson 1893-6-26 15060 Napa Howell Mt., Angwin's Meadows Comment
  UC648320  Allophyllum divaricatum M. S. Jussel 1937-5-23 Napa Palisades Comment
  UCD167208  Allophyllum divaricatum Jake Ruygt 1998-4-18 3924 Napa Blue Ridge about 1.5 mile north of Mays Flat. 731 Comment
  CAS-BOT-BC453437  Allotropa virgata Mrs. Merrel Ackley 1960-5-19 s.n. Napa Howell Mt. Comment
  JEPS129105  Alopecurus pratensis Jake Ruygt 2016-4-12 6186 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  RSA92940  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near slaughterhouse Point, Napa River. 0 Comment
  UCD33089  Amelanchier alnifolia Beecher Crampton 1966-5-10 7716 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  CAS-BOT-BC136739  Amelanchier utahensis Alice Eastwood 1922-5-5 11293 Napa Mt. St. Helena Comment
  UC1127815  Amelanchier utahensis B. Schreiber 1936-3-5 2207 Napa 0.3 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
Read comments
Jun 12 2012
  JEPS120341  Ammannia robusta Jake Ruygt 2005-10-30 4954 Napa Napa River about 100 yards north of the Pope Street bridge. Saint Helena 7.5' Quad. Comment
  UC1197392  Ammi majus Joseph P. Tracy 1938-8-7 16092 Napa Yountville 30 Comment
  UC2061508  Ammi majus Dean G. Kelch 2016-7-9 16 .151 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  JEPS2725  Amorpha californica var. napensis W. L. Jepson 1916-8-6 6834 Napa Moore Creek Howell Mt. 548 Comment
  JEPS35496  Amorpha californica var. napensis W. L. Jepson 1894-10-14 13582 Napa sw Calistoga; Rebecca Ranch 213 Comment
  UC24614  Amsinckia W. L. Jepson 1893-4-26 Napa Rutherford; Napa River Basin Comment
  JEPS20859  Amsinckia intermedia W. L. Jepson 1893-4-26 21085 Napa Oakville Napa Valley; Napa River Basin Comment
  UCD18151  Amsinckia intermedia Jean Shepard; with Plant Biology 102 class 2000-4-29 196 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
  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
  RSA195307  Amsinckia intermedia Gilbert Muth 1967-4-23 648 Napa Spring Mountain Road, St. Helena. Comment
  UC1178197  Amsinckia intermedia Francia Chisaki 1954-4-15 595 Napa about 2 mi s Calistoga (on Silverado Trail); Silverado Trail Comment
  UC573154  Amsinckia intermedia Herbert L. Mason 1926-3-20 2755 Napa Calistoga Comment
  UCD75845  Amsinckia intermedia Jake Ruygt 2007-5-21 5127 Napa Jameson Canyon Rd., west side of Fagan Creek. 60 Comment
  CHSC83407  Amsinckia lunaris L. P. Janeway; B. Castro 2002-5-12 7531 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD119763  Amsinckia menziesii S. Galen Smith 1951-4-15 s.n. Napa Along Silverado Trail. Comment
  UC702995  Amsinckia menziesii var. menziesii John Thomas Howell 1941-4-5 16170 Napa about 1 mi sw Calistoga 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
  UCD18486  Anagallis arvensis P. J. Plummer 1995-5-27 s.n. Napa off Hwy 128. 335 Comment
  UCD117440  Anagallis arvensis Alan P. Godlewski 1974-5-3 16 Napa west of Lake Berryessa, 30 yards from Highway 128. Comment
  CAS-BOT-BC64139  Ancistrocarphus filagineus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5326 Napa Soda Creek, e. of Chiles Valley 182 Comment
  HSC81866  Ancistrocarphus filagineus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5142 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  SEINET200985 Image available Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  UCD128906  Ancistrocarphus filagineus J. M. Tucker 1977-4-24 4390 Napa up jeep track ca. 1/3 mile west of road, Berryessa-Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine). 365 Comment
  UCD69016  Ancistrocarphus filagineus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD38975  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
Read comments
Jun 12 2007
  CDA40902  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 3 of 3 Comment
  CDA40903  Angelica tomentosa G. F. Hrusa, Dmitri Geltman (LE) 1996-6-3 15246 Napa North Coast Biodiversity Arena; Little Stony Creek, approx. 1.5 mi. NE of Stonyford-Lodoga Rd. intersection. Sheet 2 of 2 Comment
  JEPS16002  Angelica tomentosa Willis L. Jepson 1896-2-23 14263 Napa Napa River Basin, Howell Mountain, beyond Angwin's Howell Mountain; Napa River Basin, Howell Mountain Comment
  JEPS15908 Image available Angelica tomentosa W. L. Jepson 1895-8-30 13484 Napa near Calistoga; ; Near Calistoga, upper Napa Valley Comment
  UC20797  Angelica tomentosa Willis L. Jepson Aug. 1892 Napa near St. Helena (Napa River Basin); Napa River Basin Comment
  UC20806  Angelica tomentosa Willis L. Jepson August, 1892 Napa Napa Valley Comment
  UC765493  Angelica tomentosa R. F. Hoover 1938-9-23 3861 Napa south fork of Butts Creek Butts Creek Comment
  UCD129050  Anthemis cotula Kamala Crompton 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD56244  Anthoxanthum odoratum A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3538 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS104497  Anthriscus caucalis Jake Ruygt 1995-4-17 3424 b Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 67 Comment
  RSA430676  Antirrhinum cornutum David M. Thompson 1983-6-17 336 Napa Just N of Pope Creek; at an area reached by traveling private vineyards roads at end of Barnett Road (1.9 miles from start). Comment
  JEPS12048  Antirrhinum kelloggii Peter H. Raven 1955-4-9 8269 Napa w slope Howell Mountain 457 Comment
  JEPS110621  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1979-7-12 746 Napa 5.9 miles NE of Monticello Rd. on HWY 128 274 Comment
  JEPS83369  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-11 335 Napa 1.9 mi from Barnett Road start (along valley of Pope Creek at an area reached by traveling private vineyard roads); Aetna Springs Quad. (7.5', 1958) 195 Comment
  JEPS83371  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 332 Napa 0.1 to 0.3 mi e Hwy 128 jct with rd to Spanish Flat Resort on Lake Berryessa (on n side of road to Spanish Flat Resort); Capell Valley Quad. (7.5', 1968) 198 Comment
  JEPS5341  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson Jul 1892 21312 Napa Napa Valley Comment
  JEPS112546  Antirrhinum virga Jake Ruygt 1986-5-18 1775 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 463 Comment
  POM202741  Aphanes occidentalis I. L. Wiggins 1932-4-12 5763 Napa Hillside betw Franz Valley and Calistoga Comment
  UCD144657  Apiastrum angustifolium Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC1537514  Apocynum androsaemifolium Gordon H. True Jr. 1937-6-21 735 Napa near Lokoya Lodge Lokoya Lodge 365 Comment
  UC914258  Apocynum androsaemifolium Verne Grant and Alva Grant 1946-5-26 7629 Napa s.e. slope of Mt. St. Helena Comment
  JEPS49781  Apocynum androsaemifolium Willis L. Jepson 1893-6-26 14624 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  UC382607  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi n Pope Valley Comment
  SEINET5721765 Image available Aquilegia eximia Robert A. Christison 1960-1 55 Napa State Hwy 37 ca. 16.3 miles from Napa.; Napa 23 Comment
  JEPS106773  Arabis glabra Jake Ruygt 1983-4-3 1405 Napa east end of Green Valley Rd. 432 Comment
  CAS-BOT-BC128664  Arbutus menziesii Peter H. Raven 1964-5-9 19059 Napa Edge of redwood gorve along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC128667  Arbutus menziesii Alice Eastwood 1922-3-25 11005 Napa Calistoga Comment
  UCD34066  Arbutus menziesii Beecher Crampton 1975-11-18 9340 Napa South of Wooden Valley along Suisun Creek. Comment
  CAS-BOT-BC409912  Arceuthobium campylopodum Mrs. E. C. Sutliffe 1919-10-1 s.n. Napa Mt. St. Helena 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
  CAS-BOT-BC23952  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23984  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. 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-BC23990  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12268 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC23992  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa On saddle about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  POM367244  Arctostaphylos canescens subsp. canescens H. de Forest 1930-3-23 14616 Napa Mt. St. Helena. 701 Comment
  RSA301585  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena. 1067 Comment
  UC419751  Arctostaphylos canescens subsp. canescens Mrs. H. P. Bracelin 1930-7-13 25 Napa s slope Mt. St. Helena Comment
  POM286162  Arctostaphylos canescens var. candidissima Lyman Benson 1928-11-3 395 Napa S. of Middletown, north side Mt. St. Helena. 762 Comment
  CAS-BOT-BC23621  Arctostaphylos crustacea Peter H. Raven 1951-6-26 3052 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC23623  Arctostaphylos crustacea Lewis S. Rose 1937-4-4 37017 Napa Wooden Valley Grade, 8 mi. NE of Napa 274 Comment
  UCD148592  Arctostaphylos crustacea subsp. crustacea G. F. Hrusa; G. L. Webster, J. M. Tucker 1994-10-29 11918 Napa Mt. George Napa Land Trust Reserve. 390 Comment
  UCD50911  Arctostaphylos glandulosa Amelie Blyth 1952-4-27 6- 8 Napa Along road near top of Mt. Vaca, Napa-Solano County line. Comment
  RSA10632  Arctostaphylos glandulosa subsp. cushingiana C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  RSA626917  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24803 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  SBBG33965  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 mi SW of Angwin 243 Comment
  CAS-BOT-BC23144  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1922-3-26 11116 Napa Mt. St. Helena Comment
  CAS-BOT-BC23148  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  JEPS106418  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1986-3-16 1654 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 463 Comment
  RSA10633  Arctostaphylos glandulosa subsp. glandulosa C. B. Wolf 1928-5-4 1858 Napa Upper slopes of Mount St. Helena. Comment
  UC1120313  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1936-9-20 711 Napa Mt. St. Helena Calistoga Quadrangle Comment
  CDA11265  Arctostaphylos manzanita G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11920 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  OBI14645  Arctostaphylos manzanita H. E. McMinn 1936-4-4 4390 Napa Howell Mt Comment
  RSA633051  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24805 Napa On southeast side of Mt. St. Helena. 930 Comment
  CAS-BOT-BC24284  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-8-27 11633 Napa Sage Canyon, Napa Range. Comment
  CAS-BOT-BC24288  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-28 84 Napa Calistoga. Comment
  CAS-BOT-BC24290  Arctostaphylos manzanita subsp. manzanita Elsa G. Ruckert 1960-2-27 8 Napa 6495 Dry creek Rd. 365 Comment
  CAS-BOT-BC38765  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4556 Napa East of the Toll House near Mt. St. Helena Comment
  CAS-BOT-BC38767  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4560 Napa Near Mt. St. Helena Comment
  CAS-BOT-BC38772  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-14 15495 Napa About 3 miles east of Calistoga, near the foot of the grade up Mt. St. Helena on a steep clay bank. Comment
  JEPS122803  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5104 Napa 2.3 miles east of Moscowite corner on Highway 128. QUAD: Capell Valley. Comment
  JEPS122805  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5109 Napa Howell Mtn Road, 0.2 mi SW of Conn Valley Road. QUAD: St. Helena. Comment
  JEPS122806  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5102 Napa Wild Horse Valley Road about .2 mile from east end. QUAD: Mount George Comment
  JEPS38738  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1913-4-15 5318 Napa lower slopes w Howell Mt. Comment
  JEPS81582  Arctostaphylos manzanita subsp. manzanita R. Raiche 1982-1-16 20033 Napa on Knoxville Road 11.2 mi n State Hwy 128 Comment
Read comments
Jan 18 2009
  UC1543123  Arctostaphylos manzanita subsp. manzanita Charlotte G. Nast 1936-3-27 41 Napa Putah Canyon Comment
  CAS-BOT-BC43840  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11088 Napa Calistoga Comment
  CAS-BOT-BC43842  Arctostaphylos stanfordiana Mrs. E. C. Sutliffe 1921-2-12 s.n. Napa Calistoga Comment
  CAS-BOT-BC43868  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11089 Napa Calistoga Comment
  JEPS38676  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-23 14723 Napa La Jota Plateau Napa Range, Napa River Basin, Howell Mt. Comment
  JEPS38680  Arctostaphylos stanfordiana W. L. Jepson 1916-8-6 6827 Napa summit Napa Range, Howell Mt. Comment
  UCD53846  Arctostaphylos stanfordiana Roman Gankin 1966-2-26 679 Napa Ca. 100 yards up hill from gate at roadway; property west of Macdonald Ranch; Las Posadas State Forest. Comment
  RSA181909  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1936-12-7 17992 Napa Howell Mt. Comment
  RSA195289  Arctostaphylos stanfordiana subsp. stanfordiana Gilbert Muth 1967-4-9 608 Napa Aetna Springs to Callistoga Road. 671 Comment
  RSA70890  Arctostaphylos stanfordiana subsp. stanfordiana J. T. Howell 1930-3-23 4559 Napa Near Mt. St. Helena. Comment
  SBBG5508  Arctostaphylos stanfordiana subsp. stanfordiana E. R. Blakley 1956-12-23 2017 Napa trail to Linda Falls, Angwin 426 Comment
  SBBG58412  Arctostaphylos stanfordiana subsp. stanfordiana L. Rowntree 1930-7-17 Napa Napa County [no specific locality] Comment
  UCD73847  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4982 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 269 Comment
  UCR101766  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mtn Comment
  UCD52447  Arctostaphylos viscida Roman Gankin 1966-2-26 681 Napa Next to roadway at gate; property west of Macdonald Ranch, Las Posadas State Forest, Napa County, California. Comment
  UCR26056  Arctostaphylos viscida Michael J. Kelly 1975-3-24 35 Napa on left side of road 15 mi east of intersections of Highways 128 and 29. 854 Comment
  SEINET11989692  Arctostaphylos viscida W. Knight, Knight, I. 1982-1 4551 Napa 0.5 mi W of Spanish Flat, on road to Conn Reservoir Comment
  JEPS120408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 2007-3-31 5135 Napa Las Posadas State Forest, NE of Recreation Flat. Comment
  UC762313  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4914 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  CAS-BOT-BC47449  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1979-9-4 3413 Napa Few yards from Napa-Lake County line on highway 29 north of Robb Louis Stevenson State Park Comment
  CAS-BOT-BC47455  Arctostaphylos viscida subsp. viscida M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  JEPS38778  Arctostaphylos viscida subsp. viscida W. L. Jepson 1916-8-6 6826 Napa Moore's Creek Howell Mountain Comment
  JEPS58782  Arctostaphylos viscida subsp. viscida W. L. Jepson 1938-5-22 18829 Napa Snell Valley 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
  SEINET6652453  Aristolochia californica R. R. Halse 2013-3-27 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  UC6148  Aristolochia californica Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UCD137821  Aristolochia californica Dean W. Taylor 1972-2-25 1334 Napa at the dam on Putah Creek, Lake Berryessa. 167 Comment
  UCD151054  Aristolochia californica P. B. Kaufman 1950-4-28 33 Napa besides Winters-Monticello road, approximately 9.5 miles from Winters near Yolo-Napa county line. Comment
  UCD38611  Arnica discoidea Beecher Crampton 1956-5-25 3484 Napa Howell Mtns. Comment
  UC1301063  Arnica discoidea Helen K. Sharsmith 1963-4-20 5350 Napa Monticello Road, sw slope of Napa Range San Francisco Bay Region, Napa Range 152 Comment
  CAS-BOT-BC90266  Artemisia douglasiana John Thomas Howell 1929-8-4 4368 Napa One mile below Samuels Springs, Pope Creek [Canon], Napa Range Comment
  UCD164859  Asarum caudatum Jake Ruygt 2013-5-18 5909 Napa Las Posadas State Forest. 367 Comment
  UCD148095  Asclepias cordifolia Jake Ruygt 1994-4-26 3359 Napa ridge in Pope Valley (Juliana Vineyard); north of Barnett Rd. 256 Comment
  JEPS49852  Asclepias eriocarpa W. L. Jepson 1897-7-12 14536 Napa near Samuel's Springs; Pope Creek Comment
  UCD170282  Asclepias fascicularis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 822 Napa Knoxville Wildlife Area, north of Nevada Creek. 496 Comment
  SBBG230  Aspidotis californica E. R. Blakley 1956-12-23 2033 Napa Bells Cyn, 2 mi W of Angwin 457 Comment
  CAS-BOT-BC68859  Aspidotis californica Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5339 Napa N. side Pope Creek, Samuels Springs to Walters Springs 243 Comment
  UC770079  Aspidotis densa R. F. Hoover 1940-8-25 4544 Napa e side Mt St Helena Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  RSA161407  Astragalus breweri R. C. Bacigalupi 1926-3-27 1250 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  RSA739594  Astragalus breweri John Dittes 2003-4-5 2003 -13 Napa Inner N Coast Range, Napa Valley, 1.8 air miles NNW of Calistoga City Hall, 1 air mile NW of confluence of Napa River and Grnett Creek. 123 Comment
  CAS-BOT-BC178661  Astragalus claranus John Thomas Howell 1931-4-19 6442 Napa Conn Valley Comment
  CAS-BOT-BC178675  Astragalus clevelandii H. D. Ripley; R. C. Barneby 1945-1-21 6935 Napa 3 miles N. of Aetna Springs 198 Comment
  JEPS107250  Astragalus gambelianus Jake Ruygt 1995-4-29 3450 Napa Skyline Park, Sugarloaf Peak Trail. 396 Comment
  CAS-BOT-BC66083  Athyrium filix-femina var. cyclosorum Evelina Cannon 1901-7-13 s.n. Napa Johannisberg, on side of Mt. Veeder Comment
  CAS-BOT-BC17531  Athysanus pusillus David D. Keck 1931-4-2 1005 Napa Foot of Wooden Valley grade, 4 miles northeast of Napa. 50 Comment
  CAS-BOT-BC17533  Athysanus pusillus Alice Eastwood 1923-5-9 11752 Napa Mount St. Helena. Comment
  CDA11340  Athysanus pusillus G. F. Hrusa 1995-4-2 12050 Napa North Coast Biodiversity Arena; Alongside Highway 128 at Lake Hennessey. Comment
  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
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  UC1222975  Baccharis pilularis Joseph P. Tracy 1948-11-15 18258 Napa near, on Silverado Trail e side of Napa Valley St. Helena Comment
  UC30352  Baccharis pilularis Willis L. Jepson 1892-10-22 Napa St. Helena Comment
  HSC47480  Baccharis pilularis subsp. consanguinea Richard Spjut 1978-12-4 5259 Napa Near Lake Barryessa along Hwy. 128 Comment
  JEPS104527  Balsamorhiza macrolepis Jake Ruygt 1981-4-20 988 Napa American Canyon east of Flosden Rd. 152 Comment
  UCD112239  Barbarea Christopher Mallek 2008-5-12 AS2- 4 Napa Aetna Springs. 668 Comment
  CDA11618  Barbarea orthoceras G. F. Hrusa, G. L. Stebbins 1994-3-11 11601 Napa North Coast Biodiversity Arena; Ink Grade, approx. 2 m. NE of Angwin. Comment
  OBI15181  Barbarea orthoceras R. L. Hoover 1968-4-20 57 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn rds Comment
  UCD114271  Barbarea orthoceras K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD19929  Barbarea orthoceras E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 785 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  JEPS126098  Bassia hyssopifolia Jake Ruygt 1992-7-14 3094 Napa Southwest of American Canyon Creek near county line. Cuttings Wharf 7.5' Qua. Comment
  JEPS68458  Beckmannia syzigachne W. L. Jepson 1923-6-3 9977 Napa e Yountville; Napa Valley Comment
  UCD56790  Beckmannia syzigachne A. A. Beetle 1946-7-13 4694 Napa SE 1 mi. from Calistoga. Comment
  CDA6264  Bellardia trixago T. C. Fuller 1958-6-4 Napa 2 miles south of Napa. 0 Comment
  CDA6268  Bellardia trixago T. C. Fuller 1958-5-1 3729 Napa Northeast corner, Highways 29 & 21, 6 miles south of Napa. 0 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
  CDA13211  Berberis aquifolium var. aquifolium G. F. Hrusa, M. J. Geitner 1996-4-2 12825 Napa North Coast Biodiversity Arena; Cub Valley at summit of the Palisades. Comment
  JEPS126129  Berberis nervosa Jake Ruygt 2006-4-1 4962 Napa Three Peaks, northeast side, road near top. Saint Helena 7.5' Qua. Comment
  CDA34672  Bergia texana L. Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS106771  Boechera breweri subsp. breweri Jake Ruygt 1981-4-4 969 Napa Three Peaks 743 Comment
  JEPS110697  Boisduvalia stricta Jake Ruygt 1983-6-5 1486 Napa Oak Shores Park, Lake Berryessa 137 Comment
  JEPS110603  Boschniakia strobilacea Jake Ruygt 1999-5-22 4167 Napa Livermore Ranch on road south of White Point. 826 Comment
  CAS-BOT-BC36762  Brassica rapa Elsa G. Ruckert 1960-2-20 4 Napa 6495 Dry Creek Road. 365 Comment
  UCD20758  Brickellia californica M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 108 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UC1158114  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jota Plateau Northern Coast Ranges, Howeel Mountain (3-4 mi e of Angwin's, on hills at head of Moore's Creek) 518 Comment
  UC187258  Briza minor Louise Martin 1902-5-15 1445 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 396 Comment
  RSA491733  Brodiaea californica subsp. leptandra James L. Reveal 1987-6-7 6407 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 244 Comment
  CAS-BOT-BC484195  Brodiaea elegans var. elegans Alice Eastwood 1915-6-5 4648 Napa Calistoga on hills Comment
  RSA734159  Brodiaea laxa Keith E. Hoffmaster 1946-3-23 1206 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC486433  Brodiaea terrestris subsp. terrestris Peter H. Raven 1957-5-5 10750 Napa Near the hot springs, Calistoga 91 Comment
  SEINET9361734  Bromus Unknown 1961-6-12 5902 Napa Napa Comment
  UCD58437  Bromus commutatus M. Wiesendanger 1927-5-4 677 Napa Near Monticello. Comment
  SBBG29005  Bromus grandis B. Crampton 1967-6-20 Napa 3 mi N of Moskowite Corner, N end of Capell Valley, St Hwy 128 Comment
  CAS-BOT-BC155030  Bromus hordeaceus Peter H. Raven 1953-5-2 5359 Napa Yountville. Along railroad tracks. 76 Comment
  JEPS123007  Bromus hordeaceus Jake Ruygt 1982-4-29 1211 Napa Suscol plain west of Highway 29 (221), east of Kaiser (Napa Pipe). Quad: Napa. Comment
  CDA10881  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10976 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS129106  Bromus laevipes Jake Ruygt 2016-5-3 6223 Napa Canyon south of Oil Well Road; E of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS75638  Bromus laevipes W. L. Jepson 1936-5-28 17545 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  JEPS82331  Bromus laevipes Roger Raiche 1982-1-16 20027 Napa n of Napa (along Route 121 (3.5 mi w of intersection with Route 128)); Route 121 Comment
  SBBG20183  Bromus laevipes M. S. Walters 1960-6-18 Napa St Hwy 128 ca. 1 mi W of Conn Lake picnic grounds (ca. 4 mi E of Rutherford) Comment
  CDA10902  Bromus madritensis subsp. rubens G. F. Hrusa, M. Rejmanek 1993-5-15 10998 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC161831  Bromus rubens Peter H. Raven 1953-4-2 5287 Napa Burn east of Tulucay Creek. 426 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
  UCD159919  Bromus rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.West section. 243 Comment
  RSA128556  Bromus stamineus P. H. Raven 1953-5-2 5357 Napa Along railroad tracks, Yountville. Comment
  RSA115462  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa Above Capell Creek, north end of Capell Valley Comment
  UCD57534  Calamagrostis ophitidis Beecher Crampton 1953-5-19 1304 Napa 11 miles east of Rutherford, Chiles Valley. Comment
  UCD57541  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa north end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UC1146620  Calamagrostis rubescens Freed W. Hoffman 1944-7-7 1973 Napa North Coast Ranges; Trinity Road Comment
  UCD18034  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 585 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD18041  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 592 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
  UCD148770  Callitriche heterophylla var. bolanderi Jake Ruygt 1997-4-26 3836 Napa Napa County; Mt. Veeder Vineyards, south of Lakoya Road. 457 Comment
  UCD147462  Callitriche marginata Ellen Dean; Diana Hickson 2014-4-29 8075 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  POM182710  Calochortus amabilis D. D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  POM222010  Calochortus amabilis W. C. Merrill 1895-06 SN Napa Calistoga Comment
  UCD164484  Calochortus amabilis J. A. Johnston 1995-5-7 12 Napa On bank next to Hwy 128 approximately .5 miles west of Markley Cove on Lake Berryessa. 1000 Comment
  UCD48264  Calochortus amabilis K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 1 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., east side of rd. 531 Comment
  CAS-BOT-BC488487  Calochortus amabilis Ira L. Wiggins 1949-4-20 12073 Napa Grassy slope along old toll road between Calistoga and Middletown, about 1.5 miles northeast of Calistoga. Comment
  CAS-BOT-BC488495  Calochortus amabilis John Thomas Howell 1931-4-2 6076 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  HSC83400  Calochortus amabilis Mark S. Lubinski, Claude Galopin 1975-4-27 19 Napa Hwy. 128 off Sage Canyon Rd. Comment
  SEINET8194296  Calochortus amabilis M. Ackley 1968-5-12 1191 Napa Napa Valley. Comment
  UCD73424  Calochortus argillosus Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  JEPS128394  Calochortus luteus Adam C. Schneider with Dick O'Donnell 2013-5-28 244 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Berryessa Knoxville Road Comment
  SEINET5641956  Calochortus luteus Tera Pitman 2004-5-1 7 Napa Mclaughlin UC Reserve. Along Knoxville-Berryessa Rd. west of turn off to old town of Knoxville, north side of road, about 0.5 airline miles west southwest of site of old town of Knoxville.; 0 Comment
  CAS-BOT-BC492540  Calochortus luteus John Thomas Howell 1929-5-30 4258 Napa Gordon Valley, Napa Range Comment
  CAS-BOT-BC492542  Calochortus luteus David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  SEINET8197377  Calochortus luteus W. Roderick 1967-5-20 s.n. Napa Snell Valley. 457 Comment
  UCD166649  Calochortus luteus Jake Ruygt 1982-7-6 1366 Napa north of American Canyon (Cantoni Canyon). 259 Comment
  SEINET4169986  Calochortus pulchellus H. E. Cott 1949-6-5 A- 120 Napa Along State Hwy. 37, ca. 10 mi from jct. with Hwy. 28 Comment
  UCD166650  Calochortus splendens Jake Ruygt 1989-5-20 2333 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 441 Comment
  UCD166652  Calochortus superbus Jake Ruygt 2005-6-1 4878 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. 283 Comment
  UC3489  Calochortus uniflorus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  JEPS122766  Calochortus venustus Jake Ruygt 1999-7-3 4197 Napa Newell Canyon. Quad: Cordelia. Comment
Read comments
Dec 13 2016
  UCD169871  Calochortus vestae Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 806 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  CAS-BOT-BC496926  Calochortus vestae David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  UC1876264  Calycadenia fremontii Gerald D. Carr 1972-9-14 734 Napa 1.5 mi E of Howell Mt. Rd. on Conn Valley Rd. 121 Comment
  CAS-BOT-BC270839  Calycadenia pauciflora David D. Keck 1933-7-1 2466 Napa Butts Creek Canyon, ca. 5 miles NE of Aetna Springs Comment
  JEPS38588  Calycadenia pauciflora W. L. Jepson 1897-7-12 Napa Samuels Springs Comment
  UCD18117  Calycadenia pauciflora K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 54 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  CAS-BOT-BC270819  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 miles S of Berryessa - Knoxville Road on Devilhead Road, Cedar Valley Comment
  CAS-BOT-BC270822  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake County line on Morgan Valley Road, 125 yards N of road Comment
  CAS-BOT-BC270828  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles E of Butts Canyon Road on Snell Valley Road 182 Comment
  RSA255581  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  UC1953744  Calycadenia truncata R. L. Carr 1986-10-2 2264 Napa Ca. 0.5 mi S of Pacific Union College Campus (first road cut S of Angwin) on rocky flat above road (=GDC 682) Comment
  UC668209  Calycadenia truncata Joseph P. Tracy 1938-8-7 16090 Napa 5 mi n of Napa City; Soda Creek Canyon 91 Comment
  CAS-BOT-BC271563  Calycadenia truncata subsp. truncata Peter H. Raven 1951-8-21 3868 Napa Ridge se of Mt. Veeder 670 Comment
  CAS-BOT-BC271575  Calycadenia truncata subsp. truncata Mrs. C. E. Miller 1918-8-1 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271555  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC271561  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271599  Calycadenia truncata subsp. truncata W. M. Heusi 1930-10-18 107 Napa From about one mile north of Yountville along highway to S. Helena on hill by Rockvilla service station Comment
  POM215138  Calycadenia truncata subsp. truncata D. D. Keck 1933-11-10 2720 Napa 1 mile N of Yountville Comment
  JEPS40311  Calycanthus occidentalis W. L. Jepson 1894-10-18 Napa Upper Conn Valley Comment
  SFV5086  Calycanthus occidentalis B. C. Templeton 1957-6-26 s. n. Napa About 1.1 miles east of Calistoga. Comment
  UCD137917  Calycanthus occidentalis J. P. Smith; J. O. Sawyer 1970-5-17 3771 Napa 3 miles south of Pope Valley. Comment
  UC1794972  Calystegia collina subsp. collina R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19848 Napa 10 km NE of St. Helena, on Chiles and Pope Valley Road 300 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
  UCD161311  Calystegia collina subsp. oxyphylla Joe Callizo 1998-6-18 s.n. Napa Livermore Road. (Coordinates estimated by label maker at UC Davis). 524 Comment
  UCD167154  Calystegia occidentalis Jake Ruygt 2015-5-13 6102 b Napa East of Zim- Zim Creek parking lot. 350 Comment
  CHSC112055  Calystegia occidentalis R. K. Brummitt; B. Ertter, J. A. Ruygt 2012-6-16 22058 Napa Napa city, Alston Park, near Dry Creek Road. 51 Comment
  UCD70455  Calystegia purpurata P. J. Plummer 1995-5-27 s.n. Napa East facing hillside 25 m off hwy 128. 335 Comment
  UC679525  Campanula angustiflora Milo S. Baker 1942-5-27 10203 Napa along boundary between Napa and Sonoma Counties (n of summit of Spring Mt. Road from Santa Rosa toward town of St. Helena) Comment
  CAS-BOT-BC37118  Capsella bursa-pastoris Elsa G. Ruckert 1960-2-20 3 Napa 6495 Dry Creek Road. Southwest of house. 365 Comment
  CAS-BOT-BC37120  Capsella bursa-pastoris Gilbert Muth 1967-4-28 651 Napa Above reservoir, Spring Hill Road, St. Helena. Comment
  CAS-BOT-BC37591  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa Mayacama Mountains. Crater Region. 4 miles north of Calistoga. Comment
  JEPS106779  Cardaria draba Jake Ruygt 1981-5-3 1009 Napa American Canyon east of Flosden Rd. 42 Comment
  UCD19933  Carduus pycnocephalus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 791 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD41463  Carduus pycnocephalus Ellen Dean; Deborah Canington 2003-3-1 1360 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. By university gate at sign-in post. 390 Comment
  CAS-BOT-BC281732  Carduus pycnocephalus Betty H. Johnson 1958-6-15 627 Napa 6.4 miles SW of [unreadable] Comment
  OBI4703  Carduus pycnocephalus T. C. Fuller 1959-5-15 2432 Napa Fanner Prop., Sanitarium area Comment
  UCR43086  Carex L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  UC1618049  Carex aquatilis Donald G. Nelson 1936-4-1 128 Napa along trail to Green Valley Falls Comment
  CAS-BOT-BC19170  Carex barbarae Wilhelm Nikolaus Suksdorf 1913-7-24 619 Napa High bank of the Napa River below the city. Comment
  CDA11437  Carex bolanderi G. F. Hrusa, M. Tu 1995-5-6 12160 Napa North Coast Biodiversity Arena; Shade of redwoods along Moores Creek in Las Posadas State Forest. Clumping in moist site at edge of Creek. Perennial. Comment
  CAS-BOT-BC35066  Carex densa Alice Eastwood; John Thomas Howell 1938-5-15 5522 Napa Myrtledale Hot Springs. Comment
  UCD160768  Carex densa Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8638 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-BC35074  Carex densa Peter H. Raven 1950-5-6 2019 A Napa Near Rt. 29, on Old Faithful Geyser road 2 miles north of Calistoga. Comment
  UC577192  Carex densa Lewis S. Rose 1935-6-4 35205 Napa e slope Mt. St. Helena Comment
  UCD161751  Carex densa Jake Ruygt 1996-3-30 3540 -b Napa Jameson Vineyards, South Kelly Road. 60 Comment
  JEPS121324  Carex feta Jake Ruygt 1992-5-20 2990 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Comment
  CAS-BOT-BC32123  Carex multicaulis John Thomas Howell 1926-3-28 1768 Napa St. Helena Creek near Patten's Comment
  UC1746043  Carex multicaulis Annetta M. Carter 1948-5-8 2564 Napa Ridge E of main peak of Mt. St. Helena. [This was mpst likely collected in Sonoma Co.] Comment
  CDA37938  Carex nudata D. G. Kelch 2010-5-6 10 .164 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CAS-BOT-BC119515  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  JEPS121337  Carex nudata Jake Ruygt 1993-4-3 3179 Napa Little Bear Valley, along drainage leading in from the W. Comment
  SEINET7569433 Image available Carex nudata Lewis S. Rose 1961-3-30 61024 Napa Conn Reservoir, Lake Hennessy. 61 Comment
  UCD161585  Carex tumulicola Jake Ruygt 2008-4-18 5293 Napa Quintessa Vineyards, NW of intersection Silverado Trail and Rutherford Cross Road. (Coordinates converted from UTM data by label maker.) 115 Comment
  UCD161735  Carex tumulicola Jake Ruygt 2010-5-15 5504 -x Napa Las Posadas State Forest, south side of Moore Creek near Recreation Flat. 384 Comment
  SEINET13331031 Image available Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa Scattered patches in dry pasture F.J. Tamangi property, W. of Silverado Trail, 0.5 mi. N. of Larkmead Lane, 2 mi. SE of Calistoga Comment
  JEPS82032  Castilleja Catherine Best 1983-4-28 Napa about 6.5 mi from Atlas Peak Road intersection of Monticello Road (field on se side of Atlas Peak Road) Comment
  RSA296388  Castilleja affinis W. L. Jepson 1938-5-24 18839 Napa Near Four Corners, Howell Mountain. Comment
  JEPS8684  Castilleja affinis subsp. affinis Rachel Wilcox 1944-5-9 Napa Conn Valley Napa Range 243 Comment
  JEPS35589  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1365 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  UCD164766  Castilleja affinis subsp. affinis Jake Ruygt 2014-5-10 5938 Napa Monticello Road about 0.1 mile north of first corner of Wooden Valley grade. 341 Comment
  JEPS110630  Castilleja ambigua subsp. ambigua Jake Ruygt 1980-6-1 909 Napa Milton Rd. across from yacht club 0 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
  JEPS1214  Castilleja applegatei subsp. martinii Milo S. Baker 1941-6-30 10153 Napa n grade to Sanitorium from St. Helena town (near junction with s grade) Comment
  JEPS18268  Castilleja applegatei subsp. martinii Peter H. Raven 1957-5-5 10784 Napa w edge Calistoga 182 Comment
  JEPS3803  Castilleja applegatei subsp. martinii W. L. Jepson 1894-7-19 Napa near Molly Patton's (Toll House) at summit (old grade over Mt. St. Helena); Mt. St. Helena 731 Comment
  UC1008312  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1951-6-3 3359 Napa road from Calistoga to Middletown (about 3/4 of the way up to the road summit); Mt. St. Helena Comment
  JEPS9970  Castilleja attenuata W. L. Jepson 1944-5-21 27528 Napa w base Adam-and-Eve Ridge; Howell Mountain Comment
  JEPS9947  Castilleja attenuata W. L. Jepson 1937-5-15 18786 Napa 0.5 mi n Napa Wye Comment
  UC1237998  Castilleja attenuata John Weiler 1961-4-24 61103 Napa 2.6 mi s Napa State Hospital (on w side of Highway 12) Comment
  JEPS110626  Castilleja densiflora subsp. densiflora Jake Ruygt 1992-4-29 2916 Napa Johnson's Meadow, Wild Horse Valley Ranch 420 Comment
  JEPS110668  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-3-31 253 Napa Suscol hill west of HWY 29 (221) 9 Comment
  JEPS86223  Castilleja densiflora subsp. densiflora L. R. Heckard 1970-5-4 2449 Napa ca 10 mi n Vallejo (on n side of Kelly Rd, 0.5 mi n of CA Hwy 12, near junction of Hwy 12 and Hwy 29) Comment
  JEPS9409  Castilleja densiflora subsp. densiflora Willis L. Jepson 1893-4-27 21376 Napa Napa City Napa River Basin Comment
  CDA11898  Castilleja foliolosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11722 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  HSC81972  Castilleja foliolosa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5151 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  UC1301177  Castilleja foliolosa Helen K. Sharsmith 1963-3-17 5221 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD122553  Castilleja foliolosa Andreas Stohr 1996-4-21 4 Napa Next to Road 128 near Monticello Dam. 180 Comment
  UCD18159  Castilleja foliolosa Eva Bayon; with PLB 102 class 2000-4-29 s.n. 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
  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
  UC444884  Castilleja foliolosa H. P. Chandler 1907-5-19 7575 Napa White Sulphur Springs; St. Helena Comment
  CAS-BOT-BC241283  Castilleja latifolia Peter H. Raven 1952-5-31 4155 Napa Rector Dam 152 Comment
  UC1537565  Castilleja minor subsp. spiralis Gordon H. True Jr. 1937-7-30 825 Napa near Aetna Springs 365 Comment
  UCR44913  Castilleja minor subsp. spiralis L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  UC604128  Castilleja minor subsp. spiralis Milo S. Baker 1938-8-22 9222 Napa Lower Lake to Knoxville Road (just s of Lake-Napa County line); Knoxville Ridge Comment
  JEPS100900  Castilleja rubicundula subsp. lithospermoides Dean W. Taylor 1998-5-14 16435 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  SFV11129  Castilleja rubicundula subsp. lithospermoides F. M. Ball May 1961 Napa Route 29 north of Calistoga. 305 Comment
  JEPS4495  Castilleja rubicundula subsp. lithospermoides Rimo Bacigalupi and J. R. Sweeney 1953-5-26 4124 Napa 5.5 mi n Calistoga (S.P. station crossing in town) (along road to Middletown (Calif Hwy 29)) 411 Comment
  JEPS110679  Castilleja rubicundula subsp. rubicundula Jake Ruygt 1980-6-17 923 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 633 Comment
  JEPS11153  Castilleja rubicundula subsp. rubicundula W. L. Jepson 1938-6-11 19010 Napa Knoxville Ridge Comment
Read comments
Jun 18 2012
  JEPS2513 Image available Castilleja spiralis W. L. Jepson 1897-7-13 21113 Napa Butt's Canyon; ; Butt's Canyon, (Pope Valley to Coyote Valley), Napa Co. Comment
  JEPS42323  Ceanothus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
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Jan 18 2009
  POM136486  Ceanothus cuneatus Alice Eastwood 1922-5-4 11281 Napa Mt. St. Helena. Comment
  POM204011  Ceanothus cuneatus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  RSA399087  Ceanothus cuneatus Bonnie C. Templeton 1957-6-26 s.n. Napa Between Calistoga and Petrified Forest Comment
  UCD20650  Ceanothus cuneatus R. J. Blenkush; J. H. Richards 2000-1-29 44 Napa Berryessa-Knoxville Road. 1 mile north of Putah Creek Resort. 158 Comment
  JEPS82369  Ceanothus cuneatus var. cuneatus W. L. Jepson 1937-4-10 18002 Napa Bell Canyon Howell Mt. Comment
  UC483312  Ceanothus cuneatus var. cuneatus Ira L. Wiggins 1932-3-12 5766 Napa hillside between Franz Valley and Calistoga Comment
  UC903042  Ceanothus cuneatus var. cuneatus Ethel Crum 1937-4-19 1784 Napa 15 mi n Napa (Steel Canyon,); Napa Range Comment
  CAS-BOT-BC49804  Ceanothus divergens H. E. McMinn 1926-1-2 1627 Napa Along trail up Mt. St. Helena Comment
  CAS-BOT-BC49808  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi south of Calistoga Comment
  CAS-BOT-BC64434  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64438  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  UCD73843  Ceanothus divergens Ellen Dean; S. Rae 2008-5-21 4978 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  POM90823  Ceanothus divergens C. C. Parry 1881-1 s.n. Napa Calistoga. Comment
  SEINET10778078  Ceanothus divergens subsp. divergens Dylan O. Burge 2009-1-15 Burge 1021 c Napa South of Kortum Canyon, near the border of Napa Country with Sonoma County, site accessed on foot from near the end of Pacheteau Road, 1.5 road miles (2.4 km) from SR 29 via Diamond Mountain Road and Pacheteau Road, 1.57 km 200 deg. (True) SSW of Calistoga. 240 Comment
  OBI10525  Ceanothus foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 244 Comment
  UCR47953  Ceanothus foliosus Jake Ruygt 1975-5-11 26 Napa Atlas Peak Road, 11.4 mi north of Monticello Road 427 Comment
  POM90701  Ceanothus foliosus C. C. Parry 1881-08 s.n. Napa Calistoga. Comment
  JEPS110717  Ceanothus foliosus var. foliosus Jake Ruygt 1976-5-6 59 Napa 4.3 miles NE of Westgate Dr. on Atlas Peak Rd. 408 Comment
  UCD112165  Ceanothus incanus K. Esau; E. Hyde 1938-5-15 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC50789  Ceanothus integerrimus H. E. McMinn 1922-1-1 388 Napa Between Aetna Springs and Middletown Comment
  UCD162743  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1627 Napa Pope Canyon, S bank of Pope Creek. 644 Comment
Read comments
Dec 8 2016
  UCD170258  Ceanothus integerrimus D. O. Burge 2016-10-22 2182 Napa Roadside on Butts Canyon Road. 210 Comment
  CAS-BOT-BC50636  Ceanothus jepsonii Ella Dales Cantelow 1939-4-8 2525 Napa 3 1/2 mi. n.w. of Knoxville Comment
  CAS-BOT-BC50641  Ceanothus jepsonii John Thomas Howell 1939-4-30 14633 Napa Walter Springs Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  SEINET5743563 Image available Ceanothus jepsonii var. albiflorus Ithnin Bujang 1974-1 9 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. N-facing slope of hill. 204 Comment
  CAS-BOT-BC51558  Ceanothus oliganthus var. sorediatus John Thomas Howell 1931-4-3 6133 Napa Pope Creek Canyon, 8.5 miles from Monticello Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  JEPS42213  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-28 14002 Napa n Wooden Vally Grade (Tranchos Creek) Comment
  UC924228  Ceanothus oliganthus var. sorediatus H. S. Reed 1939-4-16 222 Napa Napa Hills 60 Comment
  UCD112306  Ceanothus oliganthus var. sorediatus B. Crampton 1957-4-15 s.n. Napa Martley Canyon, Vaca Mountains. Comment
  UCD112319  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 s.n. Napa Wooden Valley Grade. Comment
  JEPS42242  Ceanothus parryi W. L. Jepson 1938-5-22 18820 Napa Limekiln Creek Canyon Pope Valley (lower slopes) Comment
  JEPS42409  Ceanothus parryi W. L. Jepson 1924-4-27 10372 Napa Toll House Mt. St. Helena Comment
  RSA22301  Ceanothus parryi Joseph A. Ewan 1937-5-23 10329 Napa Summit trail of Mount St. Helena Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  CAS-BOT-BC52181  Ceanothus purpureus Herbert L. Mason 1924-1-22 1200 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52183  Ceanothus purpureus John Thomas Howell 1931-4-2 6067 Napa Wooden Valley Grade 5 miles East of Napa Comment
  CAS-BOT-BC52189  Ceanothus purpureus H. E. McMinn 1925-1-24 1367 b Napa Summit Wooden Valley Grade Comment
  JEPS42096  Ceanothus purpureus Willis L. Jepson 1893-4-28 14027 Napa Milliken Creek, gorge N of Mt. George Napa River Basin Comment
  RSA22070  Ceanothus purpureus L. S. Rose 1939-4-16 s.n. Napa 4 miles NE of Napa. 198 Comment
  SD143477  Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  UC634560  Ceanothus purpureus Herbert L. Mason 1924-1-22 1200 Napa Wooden Valley Grade Comment
  UC870639  Ceanothus purpureus Lewis S. Rose Apr 1939 39069 Napa 4 mi NE of Napa 198 Comment
  UCD112679  Ceanothus purpureus Roman Gankin 1966-3-3 685 Napa State Highway 121, 1.9 miles southwest of its junction with Wooden Valley Road. Comment
  CDA36978  Centaurea iberica J. H. Shelgren 1976-6-3 34 Napa Putah Creek; near Lake/Napa County line. 0 Comment
  CDA7329  Centaurea solstitialis T. C. Fuller 1959-5-15 2431 Napa Fanner property, Sanitarium area. 0 Comment
  UC306681  Centaurea solstitialis A. D. E. Elmer Jul 1903 4943 Napa Napa Comment
  CAS-BOT-BC277209  Centaurea solstitialis Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC277210  Centaurea solstitialis A. D. E. Elmer 1903-7-1 4943 Napa Napa Comment
  NY444421  Centaurea solstitialis A. D. E. Elmer 07 1903 4943 Napa Napa Comment
  RSA523908  Centaurium trichanthum Gordon H. True Jr. 1937-7-30 827 Napa Near Aetna Springs. 366 Comment
  JEPS81885  Centaurium trichanthum Roger Raiche 1982-7-25 20641 Napa Butts Canyon Road Comment
  UCD170276  Centromadia fitchii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 810 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  CAS-BOT-BC288606  Centromadia fitchii James I. McMurphy 1909-8-7 698 Napa Between Mt St Helena Pass and Calistoga Comment
  CAS-BOT-BC271539  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
  CAS-BOT-BC272827  Centromadia parryi subsp. parryi Peter H. Raven 1957-5-5 10742 Napa Calistoga 91 Comment
  CAS-BOT-BC272831  Centromadia parryi subsp. parryi Alice Eastwood; John Thomas Howell 1938-5-15 5519 Napa Myrtledale Hot Springs Comment
  JEPS12603  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  SBBG36844  Centromadia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N of center of town at the geysers Comment
  UC89051  Centromadia parryi subsp. parryi Alice Eastwood 1900-9-9 Napa Comment
  UC894333  Centromadia parryi subsp. parryi Milo S. Baker 1931-7-9 5348 Napa flat near Calistoga Geyser Comment
  UC990568  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
Read comments
Aug 31 2011
  JEPS51353  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  SEINET7073047  Cerastium glomeratum 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-BC179385  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Hwy 128, about 4.5 miles south of Monticello. 167 Comment
  HSC14637  Cercis occidentalis Greg Bos 1963-3-3 21 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  UC555393  Cercis occidentalis H. L. Mason 1926-3-27 2798 Napa road between Gordon Valley and Wooden Valley (Solano-Napa Counties) Comment
  CDA11904  Cercocarpus betuloides G. F. Hrusa, G. L. Stebbins 1994-4-8 11725 A Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UCD113050  Cercocarpus betuloides J. M. Tucker 1951-3-28 2066 Napa Beside road up south side of Howell Mountain, 5.6 miles north of St. Helena. Comment
  UCD33088  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UC1543121  Cercocarpus betuloides var. betuloides Charlotte G. Nast 1936-3-27 38 Napa Putah Canyon Comment
  SEINET5733287 Image available Cercocarpus montanus var. glaber James W. Katberg 1966-1 47 Napa ca. 1 mile west of Knoxville.; Knoxville Comment
  JEPS106928  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1982-5-19 1285 Napa 1.8 miles south of Pope Canyon Rd. on Berryessa-Knoxville R 207 Comment
  CDA34658  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 -A 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
  CDA34673  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  SEINET10844555  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 Ahart 16437 -A Napa T8N, R3E, east border of southwest 1/4 Section 30. Normal size plant, on dry bare soil, below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3-4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC1537004  Chamaesyce serpyllifolia Gordon H. True 1937-7-30 826 Napa near Aetna Springs 365 Comment
  JEPS106723  Chenopodium californicum Jake Ruygt 1989-4-22 2268 Napa east of HWY 121 on HWY 128 Comment
  JEPS59730  Chenopodium californicum Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UCD148777  Chenopodium californicum Jake Ruygt 2005-2-12 4695 Napa Napa County; Berryessa Knoxville Road at south entry into Knoxville Wildlife Area. 234 Comment
  JEPS126101  Chenopodium murale Jake Ruygt 1986-10-12 1918 Napa Trancas Street east of Highway 29, Napa. Napa 7.5' Qua. Comment
  JEPS129129  Chlorogalum angustifolium Jake Ruygt 2015-4-25 6082 Napa Missimer-Snell Valley Preserve. Yountville 7.5' Quad. Comment
  CAS-BOT-BC498812  Chlorogalum pomeridianum Peter H. Raven 1952-5-31 4122 Napa Hills s.w. of Rector Canyon 152 Comment
  JEPS129032  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 2016-5-14 6257 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UC1197670  Chlorogalum pomeridianum var. pomeridianum J. P. Tracy 1899-7-6 451 Napa head Moore's Creek (3-4 mi e of Angwin's; Howell Mountain); , head of Moore's Creek 365 Comment
  UCD54265  Chlorogalum pomeridianum var. pomeridianum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 26 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD14302  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yeards inside gate, next to road; Comment
  UCD167624  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 1978-6-28 370 Napa Partrick Road, 2 miles north of Browns Valley Road. 164 Comment
  UCD169873  Chorizanthe membranacea Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 808 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 Comment
  UCR24252  Chorizanthe membranacea John C. Roos 1939-5-6 294 Napa North Coast Range, Pacific Union College, Bell's Canyon near Three Peaks 862 Comment
  CAS-BOT-BC252841  Chorizanthe polygonoides var. polygonoides M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  RSA183452  Chorizanthe polygonoides var. polygonoides J. M. Tucker 1965-5-15 3827 Napa East side of Devilhead Road, Cedar Valley, 4 miles (airline) south and a little west of Knoxville 655 Comment
  CDA9154  Cirsium douglasii var. breweri D. G. Kelch 2001-6-2 1 .019 Napa E of American Canyon, N of American Canyon Rd. Comment
  CDA1212  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  CAS-BOT-BC279969  Cirsium douglasii var. douglasii Gene Cornett 1952-6-2 s.n. Napa Napa Comment
  CDA1304  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -A Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CDA1308  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2256 -A Napa 1.7 mi. west of Oakville; Oakville Grade Rd. cut west of Summit. Comment
  CAS-BOT-BC286572  Cirsium occidentale var. venustum Peter H. Raven 1951-5-20 2846 Napa W. Oakville 365 Comment
  POM180786  Cirsium occidentale var. venustum J. T. Howell 1930-7-13 5343 Napa 5 miles below the old Toll House, Mt. St. Helena Comment
  CAS-BOT-BC288698  Cirsium remotifolium John Thomas Howell 1931-4-19 6437 Napa Spring Mt Rd, 3 miles from St Helena Comment
  RSA0070870  Cirsium remotifolium J. T. Howell 1941-6-21 16314 A Napa Hills SW of St. Helena. Comment
  UC469085  Cirsium remotifolium var. odontolepis H. P. Chandler 1907-5-30 7601 Napa St. Helena White Sulphur Spr., St. Helena Comment
  UC1196999  Clarkia Joseph P. Tracy 1938-6-5 15826 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD167269  Clarkia affinis Jake Ruygt 2010-5-16 5557 Napa Mt. George, Foote Botanical Preserve, west slope. 256 Comment
  UCD21496  Clarkia affinis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4398 Napa Quail Ridge Reserve. 249 Comment
  CAS-BOT-BC172178  Clarkia concinna R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6674 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  CAS-BOT-BC172181  Clarkia concinna John Thomas Howell 1929-5-30 4279 Napa Between Chiles and Pope Valleys, Napa Range Comment
  SBBG115750  Clarkia concinna B. Crampton 1953-5-19 1300 Napa 9 mi E of Rutherford Comment
  UCD160722  Clarkia concinna Ellen Dean 2015-5-23 8774 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  UCD67522  Clarkia concinna D. Sanchez-Mata 1996-6-15 s.n. Napa Lake Berryessa. Capell Valley. 320 Comment
  SEINET5740167 Image available Clarkia concinna Sondra Pearman 1964-1 16 Napa State Hwy 128, ca. 3 miles SW of Monticello Dam.; Monticello Dam Comment
  JEPS43613  Clarkia concinna subsp. concinna W. L. Jepson 1896-6-2 14426 Napa mouth Conn Valley (Conn Ridge); Napa Valley Comment
  UCD104446  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128, ca. 2 miles E of Lower Chiles Valley Road. 300 Comment
  UCD170162  Clarkia gracilis Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 775 Napa Knoxville Wildlife Area, chaparral above and west of Berryessa-Knoxville Road 400 Comment
  CAS-BOT-BC164534  Clarkia gracilis subsp. albicaulis Peter H. Raven 1952-6-28 4210 Napa Chiles Valley 243 Comment
  CAS-BOT-BC164629  Clarkia gracilis subsp. gracilis Peter H. Raven 1952-5-26 4041 Napa St. Helena to Howell Mt. 304 Comment
  CAS-BOT-BC164630  Clarkia gracilis subsp. gracilis Carl B. Wolf 1928-5-3 1784 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS43693  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1933-6-2 12490 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  CAS-BOT-BC162479  Clarkia gracilis subsp. sonomensis Peter H. Raven 1951-6-10 2898 Napa Calistoga-Hanly's, Toll Rd., Mt. St. Helena 182 Comment
  JEPS120335  Clarkia gracilis subsp. sonomensis Jake Ruygt 2005-5-16 4849 Napa Old Toll Road, Jericho Canyon. Detert Reservoir 7.5' Quad. Comment
  RSA0060035  Clarkia gracilis subsp. sonomensis Reino Alava 1957-5-30 1010 Napa 0.7 mile west of the Chiles Valley School. 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
  UC142979  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5 120 Napa from Calistoga to Toll House Comment
  RSA0060036  Clarkia gracilis subsp. tracyi Barbara Ertter, Annetta Carter 1989-5-28 8517 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  POM271807A  Clarkia purpurea subsp. purpurea Lyman Benson 1935-5-19 6657 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  CAS-BOT-BC163826  Clarkia purpurea subsp. quadrivulnera Rimo Bacigalupi 1928-6-20 1857 Napa Howell Mt. 10 miles west of St. Helena Comment
  CAS-BOT-BC163829  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4643 Napa Calistoga Comment
  UCD49188  Clarkia purpurea subsp. quadrivulnera K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 6 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Down slope of West Rd. ca. 0.45 as the crow flies miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 Comment
  UCD167273  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1992-5-25 3001 Napa West side of south lake, Wild Horse Valley Ranch. 457 Comment
  UCD167274  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2007-5-19 5189 Napa Las Posadas State Forest, at Recreation Flat. 408 Comment
  JEPS112618  Claytonia exigua subsp. exigua Jake Ruygt 1998-6-15 4032 Napa Mt. St. Helena, below SW peak. 1127 Comment
  JEPS129175  Claytonia exigua subsp. exigua Jake Ruygt 2015-3-10 6036 Napa Sutro Ranch, east side of Atlas Peak. Yountville 7.5' Quad. Comment
  UCR17451  Claytonia exigua subsp. exigua E. Turula 1975-3-29 75 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  JEPS43324  Claytonia gypsophiloides W. L. Jepson 1910-3-28 4020 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  JEPS48651  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi from St. Helena Inn Comment
  CAS-BOT-BC439376  Claytonia gypsophiloides John Thomas Howell 1926-3-20 1698 Napa Old toll road to Mt. St. Helena Comment
  UCD117465  Claytonia parviflora subsp. parviflora Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UCD168556  Claytonia parviflora subsp. parviflora Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS43334  Claytonia parviflora subsp. parviflora V. E. Ferguson 1920-4 320 Napa St. Helena and Carmel trips Comment
  UCD49150  Claytonia parviflora subsp. parviflora L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 12 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream, SE of the intersection of North and South Decker Canyon Rds. 3 ft. from stream, in shade. Comment
  UCD15055  Claytonia perfoliata Craig Homan 1977-4-8 5 Napa California, Napa Co.; along Highway 128, 17 miles southwest of Winters; Comment
  JEPS77938  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1794 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD49148  Claytonia perfoliata subsp. perfoliata C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  UCD100806  Claytonia perfoliata subsp. perfoliata Heidi E. M. Dobson 1978-4-8 295 Napa Redwood Road at base of Mt. Veeder. Comment
  UCR146179  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Vaca Mountains, 10 minutes southwest of Monticello, along Highway 128 274 Comment
  CAS-BOT-BC92681  Clematis ligusticifolia H. E. McMinn 1922-8-2 361 Napa Putah Canyon. Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  HSC44029  Collinsia heterophylla Robert M. Specht 1977-5-14 887 Napa Near Jct. of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  POM114307  Collinsia heterophylla Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA195300  Collinsia heterophylla Gilbert Muth 1967-5-17 679 Napa Oat Hill Road, Calistoga. 244 Comment
  UC1196838  Collinsia heterophylla J. P. Tracy Aug 6 1898-Jan 14 1899 271 Napa 3-4 mi e of Angwins (Howell Mountain, Head of Moore's Creek); Howell Mountain, Head of Moore's Creek Comment
  UCD18158  Collinsia heterophylla Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. 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
  UCD49266  Collinsia heterophylla M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 11 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of West and East roads, along lower road leading to power lines. 289 Comment
  UCD70469  Collinsia heterophylla P. J. Plummer 1995-6-5 s.n. Napa Napa County West of city of Winters, along hwy 128. Growing under shrubs on open hillside. Flowers purple and white. 73 Comment
  UC885517  Collinsia heterophylla M. S. Jussel 1937-5-23 Napa Mount St. Helena Comment
  UCD123659  Collinsia sparsiflora R. L. Smith 1948-5-8 s.n. Napa Pope Valley. Comment
  CDA11336  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena; Franz Valley School Rd. approx 1 m E of Napa/Sonoma County line. Comment
  HSC58982  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 1020 Napa Near Bell Canyon 427 Comment
  RSA305748  Collinsia sparsiflora var. arvensis James R. Shevock 1972-3-25 1432 Napa Hwy 128; near Chiles Valley. 305 Comment
  SFV8689  Collinsia sparsiflora var. arvensis S. Logan 1965-3-19 1 Napa Dollarhide Road about 3 miles east of Pope Valley. Comment
  UC1301186  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-17 5224 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  JEPS6318  Collinsia sparsiflora var. collina Willis L. Jepson 1893-4-23 21232 Napa n of Wooden Valley Grade Tranchos Gorge; Napa Range Comment
  JEPS101657  Collomia diversifolia Dean W. Taylor 1998-6-3 16467 Napa dirt rd 0.4 miles N Twin Peak Mine, Bateman Cr drainage 579 Comment
  UCD118735  Collomia diversifolia Katherine Graham; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD167221  Collomia heterophylla Jake Ruygt 1998-5-16 3966 c Napa Maggie's Peak area. 579 Comment
  CDA34651  Conyza sumatrensis L. Ahart 2009-10-12 16419 Napa At 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
  UC762582  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1941-8-24 5570 Napa east side Mt. St. Helena Comment
  JEPS20326  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1954-9-13 54115 Napa 1 mi w Calistoga 121 Comment
  JEPS112549  Cordylanthus tenuis subsp. brunneus Jake Ruygt 1986-6-1 1802 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  UC1744860  Coreopsis tinctoria John L. Strother 2000-7-2 1364 Napa 1.5 mi SSW of Napa (along eastern shoulder of Route 29, ca. 300 m s of Route 12 West) 20 Comment
  UCD32569  Cornus glabrata Beecher Crampton 1954-5-20 1920 Napa 3 miles east of Rutherford, along highway 128, Sage Canyon, Conn Creek. Comment
  JEPS50156  Cornus nuttallii W. L. Jepson 1896-2-22 14142 Napa Howell Mt. Comment
  UC796621  Cornus nuttallii Ira L. Wiggins 1949-4-30 12090 Napa along draw on n.e. flank of Mt. St. Helena 914 Comment
  UCD130915  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga. Comment
  UCD18049  Crassula connata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 601 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD116514  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  CHSC102518  Croton setiger Lowell Ahart 2009-10-12 16438 Napa Below the high water line on Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC190055  Crypsis schoenoides Peter H. Raven 1951-10-28 3936 Napa Strand at west end of Conn Lake. 152 Comment
  UCD148815  Cryptantha flaccida Ellen Dean; Diana Hickson 2014-4-29 8121 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  JEPS41085  Cryptantha hispidula Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9092 Napa 0.5 mi se Devilhead Road (from Knoxville to Cedar Valley, headwaters of Zim Zim Creek); Zim Zim Creek 487 Comment
  RSA733921  Cryptantha hispidula Beecher Crampton 1954-5-20 1929 Napa Napa County, 8 miles southwest of Monticello, along highway 128. Growing in low road banks, in serpentine soil. Comment
  UCD160650  Cryptantha hispidula Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8736 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD170433  Cryptantha hispidula Daniel Potter; Peter Lash 2017-3-28 905 Napa Knoxville Wildlife Area, on road on ridge above and east of upper Zim Zim Creek drainage, west of Berryessa-Knoxville Road. 537 Comment
  UCR179389  Cryptantha hispidula Robert Wolfson, J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 34 Napa McLaughlin Reserve, c. 0.5 miles south of Berryessa-Knoxville Rd. Along east side of Devilhead Rd., 1st ridge south of Devilhead Rd. 518 Comment
  JEPS106701  Cryptantha intermedia Jake Ruygt 1982-5-15 1255 Napa Buzzard's Roost, Stag's Leap 585 Comment
  JEPS106703  Cryptantha microstachys Jake Ruygt 1989-4-22 2275 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 405 Comment
  JEPS106740  Cryptantha microstachys Jake Ruygt 1995-4-29 3452 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  UCD161233  Cryptantha microstachys Jake Ruygt 2002-4-1 4378 Napa Napa County : Blue Ridge north of Mays; flat. (Coordinates estimated by label maker at UC Davis). 487 Comment
  JEPS106721  Cryptantha muricata Jake Ruygt 1989-4-22 2276 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 405 Comment
  UCD161579  Cryptantha muricata Jake Ruygt 2007-5-17 5178 Napa Duff Ranch, NW of Potato Hill. 792 Comment
  CAS-BOT-BC80719  Cupressus macnabiana Peter H. Raven 1951-10-28 3958 Napa Knoxville 457 Comment
  JEPS104754  Cupressus macnabiana John L. Morrison 1969-8-16 4027 Napa near Knoxville Comment
  JEPS39757  Cupressus macnabiana W. L. Jepson 1920-5-25 9039 Napa Knoxville Ridge Comment
  POM182662  Cupressus macnabiana D. D. Keck 1931-4-3 1101 Napa 2 miles northeast of Aetna Springs, northern Napa County Comment
  UC1086210  Cupressus macnabiana A. R. Kruckeberg 1947-9-3 1574 Napa ridge ca. 0.5 mi nw Whites Point (dirt road between Mountain Mill House (St. Helena Creek) and Oat Hill School (below Table Mountain)) Comment
  UCD47752  Cupressus macnabiana R. Blenkush; S. Hee, C. McWhorter. J. Moeller 2000-4-22 1 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  NY16702  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC85480  Cupressus sargentii John Thomas Howell 1926-3-21 1714 Napa St. Helena Creek below Patten's near Napa-Lake county boundary 609 Comment
  CAS-BOT-BC85482  Cupressus sargentii John Thomas Howell 1965-5-27 41324 Napa Along creek in Butts Canyon Comment
  CDA10848  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11785 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 237 Comment
  CDA10849  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11786 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 228 Comment
  JEPS39750  Cupressus sargentii unknown 1892-1-1 Napa Howell Mt. Comment
  JEPS79565  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1821 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  UC1083198  Cupressus sargentii H. L. Mason 1926-1-2 2606 Napa Toll House Canyon to Mt. St. Helena Comment
  UCD163406  Cupressus sargentii D. Slakey; CNPS Volunteers 2015-4-25 120 Napa South side of Hunting Creek Road, about 900 road meters east of the Campground at the west end of the road. Behind fence. 411 Comment
  NY16839  Cupressus sargentii C. B. Wolf 1934-10-16 6193 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD69069  Cuscuta californica P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. Butts Creek. Parasite on annual grasses. UTM: 10SEN4884 180 Comment
  UCD95902  Cynoglossum grande Ellen Dean; with Clare Loughran 2011-5-20 7045 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  UCD121132  Cynosurus echinatus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7342 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  UCR30535  Cynosurus echinatus John C. Roos 1972-5-18 s.n. Napa Angwin 366 Comment
  UCD149603  Cyperus eragrostis 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
  JEPS64097  Cyperus eragrostis W. L. Jepson 1938-10-1 19049 Napa e. slope Mt. St. Helena (just beyond pass (Molly Patton Inn)) Comment
  POM185405  Cyperus eragrostis A. D. E. Elmer 1903-07 4656 Napa Napa Comment
  RSA365070  Cyperus eragrostis Anonymous 1924-07 s.n. Napa Near St. Helena Comment
  UC579871  Cyperus eragrostis Annetta Carter 1935-12-1 1018 Napa w. side Wooden Valley Grade Comment
  RSA757290  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 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
  UC608776  Cyperus niger Beryl O. Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch 121 Comment
  JEPS121347  Cyperus niger Jake Ruygt 1992-8-18 3130 Napa Wild Horse Valley Ranch, east of Johnson's Meadow. Comment
  JEPS115760  Cypselea humifusa Lowell Ahart 2009-10-27 16475 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  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
  JEPS103975  Cystopteris fragilis Jake Ruygt 1990-3-10 2443 Napa White Sulphur Springs Rd. 192 Comment
  SEINET893038  Cytisus canariensis David Lawfer 1952-1 154 Napa Napa. Comment
  HSC9551  Danthonia californica J. V. Lenz 1947-5-14 Napa Wooden valley. Comment
  JEPS126109  Datisca glomerata Jake Ruygt 1979-6-16 701 Napa Dry Creek Road, near Oakville Grade. Rutherford 7.5' Qua. Comment
  JEPS7760  Datura stramonium Peter H. Raven 1951-10-28 3951 Napa c 8 mi se Knoxville (Eticuera Creek); Eticuera Creek 304 Comment
  UC1195188  Daucus carota J. H. Thomas 1960-8-29 8839 Napa ca. 1 mi. n. Calistoga (along Hwy. 53) Comment
  CDA10903  Daucus pusillus G. F. Hrusa, M. Rejmanek 1993-5-15 10999 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  RSA187491  Daucus pusillus John H. Thomas 1955-5-21 5139 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  SEINET5337981  Delphinium decorum J. Tracy 1902-5-15 1475 Napa On hills at head of Moore's Creek, 3-4 mi. E of Angwin's. 366 Comment
  UC1607856  Delphinium decorum C. G. Nast 1936-3-27 85 Napa Child's Canyon Comment
  HSC43970  Delphinium hesperium Robert M. Specht 1977-5-14 896 Napa S side of Morgan Valley Rd. near junction with Develhead Rd. 457 Comment
  LA38211  Delphinium hesperium G. Mehlquist; 355 Napa 6 mi. S of Monticello on road to Napa Comment
  UCSB19157  Delphinium hesperium Rankine, Jane 1965-4-13 Napa Pope Valley road opposite Bar 49 Ranch Comment
  CAS-BOT-BC10110  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS41079  Delphinium hesperium subsp. pallescens Rimo Bacigalupi and L. R. Heckard 1965-5-15 9094 Napa along creek about 1 mi w Devilhead Road (from Cedar Valley to Knoxville) (edge of small valley); Zim Zim Creek 487 Comment
  RSA10691  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM220822  Delphinium nudicaule Belle Richardson 1930-6-8 s.n. Napa On the old toll road below Pattens, Mt St. Helena Comment
  RSA122776  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa Wooden Valley Grade, 5.2 miles NNE of Napa. 274 Comment
  RSA59829  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa among brush of side gulch, Sarco Creek, 5 miles above Napa Comment
  UCD20920  Delphinium patens V. (Shorty) Boucher 2002-4-11 11 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd, just south of 'Susan's Road.' About 1000 airline ft SW of locality for Dean 898 - Saxifraga californica (coordinates are for that locality). 274 Comment
  RSA10655  Delphinium patens Carl B. Wolf 1928-5-3 1834 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  RSA155420  Delphinium patens L. S. Rose 1961-3-30 61026 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  CAS-BOT-BC116492  Delphinium patens subsp. patens D. D. Keck 1931-4-2 1047 Napa 4 miles S. of Monticello, eastern Napa County. Comment
  CAS-BOT-BC116498  Delphinium patens subsp. patens Belle R. Jackson 1930-6-8 s.n. Napa On the old Toll Road below Patten's, Mt. St. Helena region Comment
  RSA59956  Delphinium uliginosum Joseph A. Ewan 1937-5-23 10360 Napa Lower Lake to Monticello Road, 1.9 miles S of Lake Co. Comment
  CAS-BOT-BC7907  Delphinium variegatum Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Road, near Napa Comment
  JEPS60635  Delphinium variegatum Elizabeth Ferguson 1920-5-15 346 Napa Pope Creek and Howell Mountain Comment
  RSA128562  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville. 244 Comment
  UC1031440  Delphinium variegatum H. Lewis and G. Mehlquist 1941-5-9 Napa Monticello to Napa Rd 5.1 mi s road to St. Helena Comment
  JEPS110872  Delphinium variegatum subsp. variegatum Jake Ruygt 1995-5-8 3475 Napa .5 miles west of boatramp on Sage Canyon Road. 100 Comment
  UCD170205  Delphinium variegatum subsp. variegatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 752 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  CHSC25103  Dendromecon rigida J. E. Beitler 1970-4-19 24 Napa Napa. Located on N. side of road ca. 20 feet in from road shoulder, ca. 11.7 mi. W. on Napa-Monticello road from Moskowite Corners. Comment
  UCR212330  Dendromecon rigida Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
Read comments
Oct 10 2015
  CAS-BOT-BC627  Dendromecon rigida subsp. rigida Carl B. Wolf 1928-5-4 1850 Napa Mt. St. Helena Comment
  CAS-BOT-BC654  Dendromecon rigida subsp. rigida Mary Katherine (Mrs.) Brandegee 1910-5-1 94 Napa Mt. St. Helena, on slopes back of the Toll House. Comment
  UCD61222  Deschampsia cespitosa Beecher Crampton 1957-5-8 4000 Napa Above Capell Creek, north end of Capell Valley along State Hwy. 128. Comment
  SEINET11695843  Deschampsia cespitosa Unknown 1957-5-8 4000 Napa N end of Capell Valley, above Capell Creek Comment
  CAS-BOT-BC198143  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley near Calistoga 91 Comment
  UC187273  Deschampsia danthonioides Joseph P. Tracy 1902-5-21 1605 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 335 Comment
  UCD164842  Deschampsia danthonioides Jake Ruygt 2012-5-19 5849 -b Napa Near Stone Corral Creek, Spanish Valley. 219 Comment
  UCD20681  Dichelostemma capitatum L. P. Thibault 1995-6-2 57 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  CAS-BOT-BC499415  Dichelostemma capitatum Peter H. Raven 1953-3-29 5226 Napa Hills e. of Imola 121 Comment
  JEPS64153  Dichelostemma capitatum W. L. Jepson 1897-5-2 20985 Napa St. Helena Napa Valley Comment
  UC421802  Dichelostemma capitatum H. P. Chandler 1907-5-8 7563 Napa White Sulphur Springs St. Helena Comment
  UCD117811  Dichelostemma capitatum subsp. capitatum Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 Comment
  UCD139436  Dichelostemma capitatum subsp. capitatum M. R. Wanzer 1948-4-3 4 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  UCD48777  Dichelostemma capitatum subsp. capitatum C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 15 ft. N of creek, 2 ft. E of small dry creek bed. 152 Comment
  SEINET5725241 Image available Dichelostemma capitatum subsp. capitatum Jill Bockus 1974-1 2 Napa Wallace Hardin Ranch, 3 miles northeast of Pope Valley, 3.9 miles northeast of south end of Pope Canyon Road and Chilies Road Intersection; Pope Valley 183 Comment
  UCD170368  Dichelostemma congestum Daniel Potter; N Khuu, K Battenberg 2016-4-30 866 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  UCD82593  Dichelostemma congestum Ellen Dean; T. Starbuck 2009-5-4 5532 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UC1094321  Dichelostemma congestum Peter H. Raven 1957-5-5 10773 Napa w edge Calistoga Comment
  UCD160772  Dichelostemma volubile Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8651 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-BC153779  Diplacus angustatus John Thomas Howell 1940-5-19 15465 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC150361  Diplacus aurantiacus Ira L. Wiggins 1949-4-30 12077 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles from Calistoga Comment
  CAS-BOT-BC150363  Diplacus aurantiacus James L. Reveal 1987-6-7 6398 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road; about 6.5 miles northwest of Vacaville 609 Comment
  RSA604106  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa along trail running along southwest side of Lake Bereyessa, 100 m from Knoxville Rd. 250 Comment
  UC917150  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa on Pope Valley Road two mi from St. Helena; 2 mi from St. Helena Comment
  UCD118841  Dodecatheon hendersonii Heidi E. M. Dobson 1978-4-8 300 Napa East slope of Mt. Veeder. Comment
  JEPS106564  Downingia concolor var. concolor Jake Ruygt 1998-5-23 3994 Napa Napa Airport Industrial Park, NW corner 7 Comment
  UCD148768  Downingia concolor var. concolor Jake Ruygt 1982-6-13 1322 Napa Napa County; Pope Canyon Rd., near large vernal pond on south side of road. 185 Comment
  CAS-BOT-BC41388  Draba verna Rimo Bacigalupi 1924-2-22 s.n. Napa Toll House. Mount Saint Helena. Comment
  CAS-BOT-BC159628  Drymocallis glandulosa var. glandulosa John H. Thomas 1955-5-21 5100 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC70942  Dryopteris arguta Elsa G. Ruckert 1960-3-12 22 Napa Bordering private road leading to 6495 Dry Creek Road 365 Comment
  JEPS60038  Dryopteris arguta W. L. Jepson 1936-7-2 17646 Napa Angwin Meadow Howell Mts; Napa Range Comment
  UCD48303  Dryopteris arguta Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. at junction with Decker Bay trail. 152 Comment
  SEINET267031 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 673031 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS49907  Dudleya caespitosa W. L. Jepson 1924-5-8 10418 a Napa Pope Creek 304 Comment
  JEPS50046  Dudleya cymosa W. L. Jepson 1938-5-22 18821 Napa Limekiln Creek Canyon Pope Valley Comment
  UC674804  Dudleya cymosa Thomas Morley 1941-5-11 131 Napa 5.4 mi ne Pope Valley store (on Middletown Rd) 304 Comment
  UCD47954  Dudleya cymosa A. Laffin; S. Holck, A. Randall 2002-4-13 5 Napa Napa County, McLaughlin UC Reserve, North of Knoxville-Berryessa Road and ca. 0.5 airline mile WSW of old town of Knoxville. 437 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
  JEPS122984  Echinochloa crus-galli Jake Ruygt 1986-6-21 1839 Napa Napa Sanitation treatment ponds. Quad: Cuttings Wharf. Comment
  RSA518795  Echinodorus berteroi Barbara Ertter, E. Neese 1988-10-2 7968 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  CAS-BOT-BC445574  Echinodorus berteroi Peter H. Raven 1951-10-28 3934 Napa At w. end of Conn Lake 152 Comment
  RSA92936  Eclipta prostrata Peter H. Raven 1951-10-28 3941 Napa Conn Lake. 152 Comment
  CAS-BOT-BC112661  Eleocharis parvula Peter H. Raven 1953-10-4 6367 Napa Tidal wash, Duttons Landing. 0 Comment
  JEPS129125  Elodea canadensis Jake Ruygt 2010-8-14 5733 Napa Steele Canyon Resort, Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC769959  Elymus X hansenii Robert F. Hoover 1941-6-8 5321 Napa Mt. St. Helena; e side Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa Comment
  UCR267864  Elymus glaucus Stephen P. Rae, Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, c. 1 km west of Angwin. McCrane property 526 Comment
  CAS-BOT-BC203597  Elymus glaucus subsp. glaucus Betty H. Johnson 1958-6-20 654 Napa Near Mt. Mill House, 6.4 mi. S-W. of Middletown 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
  JEPS122976  Elymus multisetus Jake Ruygt 1986-5-17 1768 Napa 0.4 mile east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  UC769878  Elymus multisetus Robert F. Hoover 1941-6-8 5322 Napa Mt. St. Helena; e side Comment
  UCD62437  Elymus multisetus E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello-Napa road. Comment
  CAS-BOT-BC204246  Elymus trachycaulus subsp. subsecundus Peter H. Raven 1951-10-28 3927 Napa Conn Valley 152 Comment
  UCD20751  Epilobium brachycarpum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 100 Napa McLaughlin UC Reserve. Knoxville-Berryesa Rd. 2.4 road miles S of jct. with Devilhead Rd. W side of the road by old dirt road to an abandoned home site. 350 Comment
  UC1177088  Epilobium brachycarpum Peter H. Raven 1952-9-14 5167 Napa Yountville 106 Comment
  UC1198502  Epilobium campestre Joseph P. Tracy 1938-6-6 15841 Napa between Napa City and Yountville; Napa valley 30 Comment
  UCD143101  Epilobium canum subsp. canum E. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 773 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  CAS-BOT-BC171954  Epilobium canum subsp. latifolium L. R. Abrams 1916-7-2 5753 Napa St. Helena Sanitarium Comment
  UCD105468  Epilobium canum subsp. latifolium D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCD67889  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. Near Spanish Flat. 220 Comment
  UC144088  Epilobium minutum J. P. Tracy 1902-5-16 1499 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD138947  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach. Comment
  JEPS129126  Equisetum arvense Jake Ruygt 2008-7-19 5359 Napa Eticuera Creek, south of Long Canyon. Knoxville 7.5' Quad. Comment
  JEPS120428  Equisetum hyemale Jake Ruygt 2007-4-21 5155 Napa Jameson Canyon at west end of narrow passage of highway. Comment
  JEPS103984  Equisetum hyemale subsp. affine Jake Ruygt 1979-4-11 498 Napa .1 mile south of Redwood Road on Solano Avenue,Napa 22 Comment
  UCD167087  Equisetum laevigatum Jake Ruygt 2010-4-25 5523 Napa Putah Creek near confluence with Hunting Creek. 179 Comment
  HSC100734  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek, NE 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
  UCD131309  Ericameria arborescens George Field 1966-1-8 s.n. Napa 1/2 miles west of Angwin. 487 Comment
  CAS-BOT-BC293619  Erigeron biolettii Peter H. Raven 1951-8-21 3867 Napa Ridge se. of Mt. Veeder 670 Comment
  JEPS122688  Erigeron foliosus var. foliosus Jake Ruygt 1981-7-23 1082 Napa West of Berryessa Peak. Quad: Brooks. Comment
  JEPS129055  Erigeron greenei Jake Ruygt 2016-10-2 6296 Napa Mead Ranch, north entrance, Atlas Pk Road. Capell Valley 7.5' Quad. Comment
  CLARK-A1528-2168  Erigeron inornatus John C. Roos 1939-4-16 252 Napa Angwin Comment
  RSA128977  Erigeron peregrinus Peter H. Raven 1950-6-27 2436 C Napa N. side of Lake Van Norden. Comment
  JEPS68365  Erigeron petrophilus var. petrophilus L. R. Heckard 1972-6-26 2999 Napa se of lookout on peak Mt. St. Helena (below radar station) 1188 Comment
  UCD161621  Erigeron petrophilus var. petrophilus Jake Ruygt 2004-8-28 4652 Napa southwest of Bear Valley on ridge, east of 'Cub Valley'. 719 Comment
  UCD164757  Erigeron philadelphicus var. philadelphicus Jake Ruygt 2014-5-24 5957 Napa Pope Creek, Pope Canyon. 148 Comment
  CAS-BOT-BC216031  Eriodictyon californicum M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD48049  Eriodictyon californicum Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 8 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
  UCD48050  Eriodictyon californicum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 15 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 533 Comment
  UC623311  Eriogonum compositum var. compositum H. L. Mason 1939-5-18 12101 Napa near St. Helena (near summit of Spring Mountain Grade); Spring Mountain Grade Comment
  CAS-BOT-BC242614  Eriogonum dasyanthemum James L. Reveal 1987-6-7 6404 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and south of Lake Berryessa 243 Comment
  SBBG28195  Eriogonum dasyanthemum S. G. Stokes 1933-8-27 91 Napa upper part of Sage Valley, near Chiles School, Napa Mtns Comment
  UC406871  Eriogonum dasyanthemum H. M. Hall 1923-10-12 11923 Napa 16 mi w, on road to Lowerlake Monticello Comment
  JEPS120315  Eriogonum fasciculatum var. foliolosum Jake Ruygt 2004-9-21 4670 Napa 0.65 mile north of Turtle Rock on Highway 128. Yountville 7.5' Quad. Comment
  CAS-BOT-BC266055  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC266061  Eriogonum luteolum John Thomas Howell 1933-8-27 11651 Napa Chiles Valley, Napa Range Comment
  POM105142  Eriogonum luteolum Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  CAS-BOT-BC266063  Eriogonum luteolum John Thomas Howell 1929-10-26 4535 Napa Flood plain of creek 1 mile NW of Calistoga Comment
  JEPS56162  Eriogonum luteolum W. L. Jepson 1907-11-30 2876 Napa near Yountville; Stag's Leak Comment
Read comments
Nov 12 2011
  JEPS110762  Eriogonum luteolum var. luteolum Jake Ruygt 1979-5-24 634 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  JEPS110790  Eriogonum luteolum var. luteolum Jake Ruygt 1984-6-23 1572 Napa Hwy 29 near Lake Co. line: Detert Reservoir quad 502 Comment
  UC1198106  Eriogonum luteolum var. luteolum J. P. Tracy 1899-7-6 442 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UC535076  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  CAS-BOT-BC268980  Eriogonum nudum var. auriculatum John Thomas Howell 1930-7-13 5345 Napa Lower slopes of Mt. St. Helena Comment
  RSA491734  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  UCD164788  Eriogonum nudum var. auriculatum Jake Ruygt 2004-6-26 4625 Napa Skyline Park near Sugarloaf Peak. 411 Comment
  UC1198135  Eriogonum nudum var. nudum J. P. Tracy 1899-7-6 443 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  CAS-BOT-BC271624  Eriogonum nudum var. oblongifolium H. E. McMinn 1922-6-8 201 Napa Pope Canyon Comment
  CAS-BOT-BC253059  Eriogonum roseum John Thomas Howell 1930-10-19 5604 Napa Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  UC1925868  Eriogonum vimineum Ethel Crum October 1930 910 Napa Conn Creek to Pope Valley Comment
  JEPS120313  Eriogonum wrightii var. trachygonum Jake Ruygt 1987-10-12 2102 Napa Putah Creek north of Berryessa Estates. Aetna Springs 7.5' Quad. Comment
  CDA37351  Eriophyllum lanatum D. G. Kelch 2010-5-6 10 .166 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD132169  Eriophyllum lanatum Alan P. Godlewski 1974-5-3 11 Napa west of Lake Berryessa, 50 yards from highway. Comment
  JEPS34605  Eriophyllum lanatum var. achilleoides W. L. Jepson 1893-1 14567 Napa St. Helena Comment
  UCD54313  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  RSA92826  Eriophyllum lanatum var. achilleoides Peter H. Raven 1952-5-31 4136 Napa Summit of hills SW of Rector Canyon 305 Comment
  SFV5089  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s. n. Napa Calistoga. Near Hill and Connors ranches. Comment
  UCD117766  Erodium botrys Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. 386 Comment
  UCD49058  Erodium cicutarium E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 12 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
  UCD170297  Eryngium Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 837 Napa Knoxville Wildlife Area, above and north of Nevada Creek 601 Comment
  UCD170455  Eryngium Daniel Potter; Ninh Khuu 2016-6-8 884 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UC1197358  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1939-10-14 16510 Napa Calistoga, Myrtledale Hot Springs 121 Comment
  JEPS14084  Eryngium aristulatum var. aristulatum W. L. Jepson 1938-6-8 18899 Napa Snell Valley, Playa Comment
  JEPS17436  Eryngium aristulatum var. aristulatum Willis L. Jepson 1903-9-7 2352 Napa above St. Helena Reservoir; Napa River Basin Comment
  UC2026902  Eryngium aristulatum var. aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UC626482  Eryngium aristulatum var. aristulatum Wilhelm N. Suksdorf 1913-7-24 647 Napa in the neighborhood s.e. Napa Comment
  UC648290  Eryngium aristulatum var. aristulatum John Thomas Howell 1933-9-3 11655 Napa 6 mi. n. Vallejo Comment
  JEPS129130  Eryngium castrense Jake Ruygt 2015-5-23 6108 a Napa West of Buck Mountain. Knoxville 7.5' Quad. 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
  CAS-BOT-BC54302  Erysimum capitatum John Thomas Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  CAS-BOT-BC40900  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  UCD115014  Erysimum capitatum var. capitatum M. Wiesendanger 1926-4-1 1494 Napa Napa County. Comment
  CHSC102277  Erythranthe 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 Winters. 133 Comment
  SD7044  Erythranthe guttata Brandegee Sept 1888 Napa Howell Mt. Comment
  SEINET4678009  Erythranthe nasuta Unknown 1961-4-29 35 Napa Wragg Canyon, 1/4 mile north of State Highway 128.; 0 152 Comment
  SEINET13727996 Image available Erythranthe nudata J. M. Tucker 1965-1 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  CAS-BOT-BC133289  Erythronium helenae Ira L. Wiggins 1949-4-30 12092 Napa Eastern slope of Mt. St. Helena near Lake Co. line Comment
  SEINET8397211  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens; steep northerly slope just east of the Palisades on old stage road. Comment
  CAS-BOT-BC402799  Eschscholzia caespitosa Peter H. Raven 1952-5-26 4059 Napa Nr. Walter's Springs 170 Comment
  UCD34213  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Napa County, Markley Canyon on Hwy 128. Comment
  RSA51295  Eschscholzia caespitosa subsp. caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley grade above Napa. 457 Comment
  CAS-BOT-BC403340  Eschscholzia californica Brandegee 1889-4-1 A Napa Mt. St. Helena Comment
  JEPS51781  Eschscholzia californica W. L. Jepson 1904-6-3 2442 Napa Howell Mt. 792 Comment
  UCD167246  Eschscholzia californica Jake Ruygt 1978-5-17 320 Napa South of Trancas west side of Napa River. 10 Comment
  SEINET10620879 Image available Eschscholzia californica var. douglasii Charles F. Baker 1903-5-8 Baker 2969 Napa Knoxville. Tufts common on rocky ridges. Comment
  UCD96471  Eschscholzia hypecoides Shannon M. Still 2009-4-3 418 Napa California. Napa County: Along CA-128 at mile marker 29.26. 265 Comment
  SEINET6692542 Image available Eucalyptus globulus Royal D. Suttkus 1967-1 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  JEPS48860  Euphorbia crenulata Elsa Kraeger 1926-3-28 Napa 0.5 mi from Mt. St. Helena Hotel (near Russ House) Comment
  UCD142372  Euphorbia crenulata K. Esau 1933-4-14 s. n. Napa Calistoga, near petrified forest. Comment
  UCD167044  Euphorbia crenulata Jake Ruygt 1996-5-14 3695 Napa White Cliff Springs; Elder Valley; (Sabini property). 390 Comment
  JEPS100816  Euphorbia spathulata Dean Wm. Taylor with Mey Akasah 1999-6-4 17220 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  SBBG128016  Euthamia occidentalis L. Ahart 2009-10-12 16420 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, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi W of Winters 133 Comment
  CAS-BOT-BC278345  Festuca californica subsp. californica L. R. Abrams 1928-5-3 12205 Napa St. Helena Grade Comment
  UCD65856  Festuca californica subsp. californica Beecher Crampton 1962-5-16 6420 Napa 3.5 miles north of Conn Reservoir, western slope of Chiles Valley. Comment
  UCD65916  Festuca elmeri Beecher Crampton 1954-5-6 1834 Napa Hwy. 37 between Capell and Wooden Valley. Comment
  JEPS122910  Festuca occidentalis Jake Ruygt 2007-4-15 5149 Napa Las Posadas State Forest, road to north side of Recreation Flat. Quad: Saint Helena. Comment
  UCD66179  Festuca occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CDA10888  Festuca roemeri G. F. Hrusa, M. Rejmanek 1993-5-15 10983 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD32894  Festuca roemeri Beecher Crampton 1965-5-13 7328 Napa south end of Chiles Valley on hwy. 128. Comment
  SEINET200830 Image available Festuca rubra J. P. Tracy 1902-5-19 1549 Napa Head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn 518 Comment
  JEPS122940  Festuca trachyphylla Jake Ruygt 1992-5-6 2948 Napa SW of Mitten Lakes. Wild Horse Valley Ranch. Quad: Mount George. Comment
  RSA132842  Filago californica John H. Thomas 1958-4-19 7110 Napa About 2 miles SW of Oakville. 152 Comment
  JEPS17497  Foeniculum vulgare Willis L. Jepson 1894-10-15 14234 Napa Napa R. Rd. near St. Helena; Napa River Basin Comment
  RSA51300  Fragaria californica Peter H. Raven 1950-4-5 1742 Napa Wooden Valley Grade above Napa. 457 Comment
  CAS-BOT-BC454534  Fragaria vesca subsp. californica L. R. Abrams 1928-5-3 12238 Napa Summit St. Helena Grade Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC223442  Fraxinus dipetala Peter H. Raven 1952-5-26 4063 Napa Nr. Walter's [Walter] Springs 170 Comment
  UCD122027  Fraxinus dipetala Robert C. Bechtel 1952-4-20 69 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  CAS-BOT-BC223531  Fraxinus latifolia John Thomas Howell 1926-3-21 1713 Napa St. Helena Creek near Pattens 609 Comment
  CAS-BOT-BC223533  Fraxinus latifolia H. E. McMinn 1923-5-25 957 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  UC1094037  Fraxinus latifolia Lewis S. Rose 1955-9-26 55190 Napa 4 mi ne Rutherford (below Conn Lake) 60 Comment
  CAS-BOT-BC205886  Fremontodendron californicum E. Ruckert 1960-4-3 66 Napa 6495 Dry Creek Road; on terrace 365 Comment
  CAS-BOT-BC205889  Fremontodendron californicum Peter H. Raven 1951-6-10 2936 Napa Crater Region e. of Palisades 762 Comment
  RSA38445  Fremontodendron californicum Carl B. Wolf 1944-11-1 11484 Napa 0.4 miles E of Lake Co line, between Knoxville and Lower Lake. 457 Comment
  UC545809  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa 4 miles north of Knoxville Mines Comment
  UCD40901  Fremontodendron californicum Katherine Countrey 1983-5-29 21 Napa On Knoxville-Berryessa Raod, 5 miles northwest of Knoxville, on north side of road. 365 Comment
  UC545849  Fritillaria affinis E. Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley-Middletown Road Butts Canyon; , Pope Valley-Middletown Road Comment
  SEINET3886765  Fritillaria lanceolata Suzanne E. May 1967-4-2 10 Napa 1 mile west of Monticello Dam, Highway 128.; 0 152 Comment
  JEPS113967  Fritillaria purdyi Jake Ruygt 1979-4-6 487 Napa .3 mile east of Butts Canyon Road, on Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  UC545850  Fritillaria recurva E. Crum 1936-3-15 1739 Napa Butt's Canyon, Pope Valley-Middletown Road Butt's Canyon; , Pope Valley-Middletown Road Comment
  CAS-BOT-BC508187  Fritillaria recurva Alice Eastwood 1923-4-12 s.n. Napa Soda Springs Comment
  RSA68720  Fritillaria recurva J. T. Howell 1926-3-21 1720 Napa St. Helena Creek Comment
  UCD121558  Galium andrewsii Sergio Lailhacar 1974-4-13 8 Napa 3.9 miles northeast of Pope Canyon Road and Chiles Valley Road intersection. 243 Comment
  UCD48158  Galium andrewsii L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 12 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD48159  Galium andrewsii K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 11 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill. 548 Comment
  OBI57145  Galium andrewsii David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24508 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  JEPS110565  Galium andrewsii subsp. andrewsii Jake Ruygt 1979-6-3 674 Napa Oat Hill Mine Rd. North 573 Comment
  UCD118515  Galium andrewsii subsp. andrewsii Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD148802  Galium andrewsii subsp. andrewsii Ellen Dean; Diana Hickson 2014-4-29 8109 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  UC139301  Galium bolanderi M. K. Curran Aug. 1888 Napa Howell Mt. Comment
  UC1196108  Galium californicum subsp. californicum Joseph P. Tracy 1899-7-3 425 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UCD95907  Galium californicum subsp. californicum Ellen Dean; with Clare Loughran 2011-5-20 7048 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CDA6658  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John Comment
  JEPS110601  Galium divaricatum Jake Ruygt 1992-6-11 3027 Napa south of Mitten lake, Wild Horse Valley Ranch 438 Comment
  UCD121829  Galium nuttallii Heidi E. M. Dobson 1978-5-28 332 Napa East slope of Mt. Veeder. Comment
  UCD13187  Galium nuttallii J. R. Clark 1976-4-11 7 Napa Napa City, 4 mi N of junction of rds 121 and 128, along 128, upslope from road. Comment
  JEPS6612  Galium porrigens var. porrigens W. L. Jepson 1944-5-21 27523 Napa 4 mi e Rutherford Comment
  CDA10841  Galium porrigens var. tenue G. F. Hrusa, G. L. Stebbins 1994-4-14 11778 Napa North Coast Biodiversity Arena; along Butts Creek, Butts Canyon, 4 mi. N Pope Valley. Comment
  JEPS20440  Gamochaeta ustulata Willis L. Jepson 1893-4-24 14757 A Napa hills e St. Helena (to Conn Valley Road, Howell Mt. foothill); Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC199056  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  UC971940  Garrya congdonii C. R. Bell 1952-3-8 1245 Napa 5.8 mi e Pope Valley - Monticello road junction (n of road) Comment
  UC21610  Garrya flavescens Willis L. Jepson 1893-5-2 Napa near Palisades (New Pope Valley grade); Napa River Basin Comment
  CAS-BOT-BC144385  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  JEPS66733  Garrya fremontii W. L. Jepson 1896-2-22 14160 Napa Crystal Springs grade to Howell Mt. Comment
  JEPS66734  Garrya fremontii Willis L. Jepson 1893-1 14159 Napa summit of Mt. St. Helena; Napa River Basin Comment
  UCD18136  Gastridium phleoides Jean Shepard; with PLB 102 class 2000-4-29 186 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-BC278654  Gastridium phleoides David D. Keck 1933-5-28 2328 Napa Howell Mountain, 2 miles west of Pacific Union College Comment
  JEPS76096  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  CAS-BOT-BC208041  Genista monspessulana M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC208043  Genista monspessulana Ira L. Wiggins 1928-3-25 2883 Napa Roadside 1 1/2 mi. N.E. of Calistoga [Calostoga] Comment
  JEPS126067  Geranium carolinianum Jake Ruygt 2006-5-23 5036 Napa Bell Creek. Saint Helena 7.5' Quad. Comment
  JEPS86271  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  JEPS85015  Geranium molle Larry Heckard and Mary Ashton 1969-5-3 2223 Napa 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd); Mead Ranch 457 Comment
  UCD23412  Geranium molle Helen West 1977-4-16 1 Napa Purple flowers, 10 stamens (2 rows of 5), low lying plant. Collected in sunny meadow, surrounding vegetation was low, covering plants, soil parent material is shale. 6.3 miles southwest of Monticello Dam, off Hwy. 128, along road side. 182 Comment
  UCR92541  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  RSA83103  Gilia capitata Verne Grant, Alva Grant 1947-5-3 7964 Napa West slope of Mt. St. Helena, ca. 2-3 miles from Knight's Valley. Comment
  UC932031  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon ca 8 mi from Vichy Springs (on Monticello Road, e slope Mayacama Mountains); e slope Mayacama Mountains, ca 8 mi from Vichy Springs Comment
  JEPS69535  Gilia capitata subsp. capitata W. L. Jepson Nov. 1895 20941 Napa sw St. Helena (White Sulphur Spring); sw of St. Helena, White Sulphur Springs Comment
  UC1197930  Gilia capitata subsp. capitata J. P. Tracy 1903-5-16 1838 Napa near Calistoga (region about San Francisco Bay); Region about San Francisco Bay, nr Calistoga 152 Comment
  UCD167223  Gilia clivorum Jake Ruygt 1982-3-10 1123 Napa American Canyon south of gravel pit. 91 Comment
  UCSC008577  Gilia clivorum Randall Morgan 1995-4-11 2376 Napa Intersection west of Horse Valley Comment
  NY336855  Gilia heterodoxa C. C. Parry 1881-1 180 Napa Comment
  HSC45343  Gilia tricolor R. York 1978-4-8 115 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  SEINET9288140  Gilia tricolor Unknown 1933-4-2 97 Napa Napa County Comment
  JEPS110964  Gilia tricolor subsp. diffusa Jake Ruygt 1977-3-14 155 Napa 2.2 miles north of Silverado Trail on Soda Canyon Rd. 121 Comment
  UCD167224  Gilia tricolor subsp. diffusa Jake Ruygt 1986-4-12 1689 Napa Devil's Canyon. 536 Comment
  JEPS86005  Gilia tricolor subsp. tricolor C. F. Sonne Apr. 1888 Napa Sierra Nevada Mountains Comment
  UC1301137  Gilia tricolor subsp. tricolor Helen K. Sharsmith 1963-3-17 5233 Napa Silverado Trail San Francisco Bay Region, Silverado Trail 76 Comment
  JEPS106572  Githopsis specularioides Jake Ruygt 1982-4-25 1201 Napa Swartz Canyon below the falls 426 Comment
  UCD38570  Githopsis specularioides Beecher Crampton 1956-5-25 3450 Napa Vaca Mtns., Markley Canyon. Comment
  UC796478  Githopsis specularioides Ira L. Wiggins 1949-4-30 12075 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  UCR71524  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 Napa North Coast Ranges, Lake Hennessey, c. 15 air mi NNW of Napa, on Conn Creek 92 Comment
  JEPS106908  Gnaphalium palustre Jake Ruygt 1996-6-23 3752 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  UCD167271  Godetia amoena var. sonomensis Jake Ruygt 1993-5-22 3267 Napa Conn Valley Road near Howell Mountain Road. 121 Comment
  JEPS4233  Gratiola ebracteata Willis L. Jepson 1893-4-27 21317 Napa sw Napa City (Napa River Basin); , sw of Napa City 15 Comment
  POM204465  Gratiola ebracteata J. T. Howell 1933-5-21 11322 Napa Napa Comment
  CAS-BOT-BC304896  Grindelia hirsutula Peter H. Raven 1951-6-24 3018 Napa Brown's Valley 91 Comment
  CAS-BOT-BC304899  Grindelia hirsutula Peter H. Raven 1953-10-4 6365 Napa Duttons Landing 0 Comment
  OBI21640  Grindelia hirsutula Tracey and Viola Call, Viola Call 1964-6-19 2264 Napa 3 mi N of Calistoga on small bare hill 305 Comment
  CAS-BOT-BC123711  Grindelia stricta var. angustifolia John Thomas Howell 1932-10-8 10805 Napa Cuttings Wharf on Napa River Comment
  JEPS106784  Guillenia lasiophylla Jake Ruygt 1989-3-30 2240 b Napa American Canyon, Avilla Ranch 54 Comment
  JEPS122925  Hainardia cylindrica Jake Ruygt 1993-5-11 3259 Napa Milton Road north of the railroad tracks. Quad: Cuttings Wharf. Comment
  UC1112229  Hainardia cylindrica S. Galen Smith with J. Anderson 1957-6-7 2958 Napa 1.5 mi nw of Calistoga; Myrtledale Hot Springs 121 Comment
  JEPS100843  Harmonia hallii Dean Wm. Taylor with Mey Akasah 1999-6-4 17219 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UC556409  Harmonia hallii H. M. Hall 1931-5-27 13094 Napa near Knoxville (ne Napa Co.); ; near Knoxville, NE Napa Co. Comment
  UCD161340  Harmonia hallii Jake Ruygt 1983-5-29 1476 Napa Berryessa-Knoxville Road, 2.4 miles south of Lake County line. (Coordinates estimated by label maker at UC Davis). 597 Comment
  UCD170160  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 778 Napa Knoxville Wildlife Area, near top of ridge above and west of Berryessa-Knoxville Road 555 Comment
  CAS-BOT-BC302225  Harmonia nutans Peter H. Raven 1950-4-15 1752 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC302241  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  CAS-BOT-BC302243  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena. Northwestern Napa County 950 Comment
  JEPS122708  Harmonia nutans Jake Ruygt 1998-6-8 4018 Napa Meas Ranch, slope overlooking Soda Canyon. Quad: Yountville. Comment
  JEPS122757  Harmonia nutans Jake Ruygt 2001-3-24 4298 Napa Yountville Hills. Quad: Rutherford. Comment
  UC1731334  Harmonia nutans Dean W. Taylor 1998-6-3 16478 Napa Cedar Canyon North Coast Ranges (basin in headwaters, between Twin Peaks and Sugarloaf Mtn., at end of road up (w from) Aetna Springs, Detert Res. 7.5' USGS quadrangle) 670 Comment
  UC30654  Harmonia nutans Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin (highest ridges) Comment
  JEPS106681  Helenium puberulum Jake Ruygt 1997-11-24 3879 Napa East of Chimney Rock, between Soda Canyon and Silverado Tr 79 Comment
  UCD132774  Helianthella californica J. M. Tucker 1968-5-20 4111 Napa summit of Blue Ridge (Vaca Range), around 1.5 miles northwest of the head of Mxi Canyon. 762 Comment
  JEPS33580  Helianthella californica subsp. californica W. L. Jepson 1936-5-29 17548 Napa Adam and Eve Ridge Howell Mt. Comment
  JEPS33582  Helianthella californica subsp. californica W. L. Jepson 1938-5-24 18843 Napa plateau n Four Corners; Napa Range, Howell Mtn. 883 Comment
  CAS-BOT-BC314722  Helianthella californica var. californica T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  UCD19335  Helianthella californica var. californica M. A. Bibbo; E. Dean 2001-7-6 27 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.4 air miles from jct of W and E roads, on steep N facing slope. 274 Comment
  POM55343  Helianthella californica var. californica C. F. Baker 1903-4-20 2628 Napa Mt. St. Helena. Comment
  JEPS35477  Helianthus bolanderi W. L. Jepson 1922-10-22 9837 Napa near mouth of Conn Creek Comment
  UC2026898  Helianthus bolanderi David Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UCD132906  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  UC221395  Helianthus bolanderi H. M. Hall 1923-10-12 11927 Napa 16 mi se Lowerlake (n Napa Co.) Comment
  JEPS4459  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Napaleo, Angwin's Meadows Howell Mt., Napaleo, Angwin's Meadows 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
  UCD119430  Heliotropium curassavicum var. oculatum Eric S. Nagy 1990-4-29 004 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  UCD74368  Heliotropium curassavicum var. oculatum Jake Ruygt 1991-6-29 2762 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 121 Comment
  CAS-BOT-BC306147  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  UC1199374  Hemizonia congesta subsp. clevelandii Joseph P. Tracy 1939-10-14 16509 Napa Myrtledale Hot Springs Calistoga, Myrtledale Hot Springs 121 Comment
  CAS-BOT-BC306144  Hemizonia congesta subsp. clevelandii H. M. Hall 1924-10-4 12112 Napa Calistoga, (Myrtledale Spring) Comment
  CAS-BOT-BC309841  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1952-6-28 4203 Napa Conn Valley 137 Comment
  JEPS106662  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1982-6-13 1313 Napa Cedar Roughs 271 Comment
  CAS-BOT-BC309843  Hemizonia congesta subsp. luzulifolia Joseph Andorfer Ewan 1933-9-17 7999 Napa In Napa, Napa Valley Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo Comment
  POM194219  Hemizonia pungens subsp. pungens J. T. Howell 1929-10-26 4542 Napa 9 miles N of Vallejo. Comment
  JEPS126105  Hesperocyparis macnabiana Jake Ruygt 1979-2-25 437 Napa Oat Hill Mine Road near Bateman Creek. Detert Reservoir 7.5' Qua. Comment
  UC2026900  Hesperocyparis macnabiana David Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UCD161646  Hesperocyparis macnabiana Jake Ruygt 2006-3-23 4960 Napa north of Potato Hill, Wildlake Ranch. (Coordinates coverted from UTM data by label maker.) 685 Comment
  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
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  UC1736419  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley Comment
  UCD119659  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  UCD167347  Hesperolinon bicarpellatum Jake Ruygt 2009-5-16 5406 Napa Aetna Springs Road about 1/2 mile east of Aetna Springs resort. 301 Comment
  CDA11251  Hesperolinon breweri G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-6 11874 Napa Inner North Coast Ranges; End of Aetna Springs Rd. ~2.5 m. W of junction with Hwy. 128. 0 Comment
  JEPS122801  Hesperolinon californicum Jake Ruygt 2005-6-4 4903 Napa SE end of Paradise Valley. QUAD: Jericho Valley. Comment
  JEPS122903  Hesperolinon californicum Adam C. Schneider 2015-5-19 933 Napa Along Pope Valley Rd. Comment
  JEPS122905  Hesperolinon californicum Adam C. Schneider 2015-5-19 935 Napa East of Monticello Rd. (CA Hwy 121) Comment
  OBI12547  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Inner North Coast Ranges. S margin Chiles Valley near Chiles Valley School 305 Comment
  UC1212458  Hesperolinon californicum Helen K. Sharsmith 1952-5-18 4080 Napa w side of valley 2.8 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD169869  Hesperolinon californicum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 804 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  CAS-BOT-BC176056  Hesperolinon clevelandii John H. Thomas 1955-5-21 5116 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC176059  Hesperolinon clevelandii Peter H. Raven 1951-6-10 2941 Napa Crater Region e. of Palisades 762 Comment
  JEPS112587  Hesperolinon clevelandii Jake Ruygt 1992-6-22 3047 Napa northwest of vernal pool meadow, Wild Horse V. Ranch 463 Comment
  JEPS112648  Hesperolinon clevelandii Jake Ruygt 1989-7-1 2394 Napa Vaca Mtns., north of Mt. Vaca 755 Comment
  JEPS122782  Hesperolinon clevelandii Jake Ruygt 1997-5-18 3856 Napa Hogback Mountain. QUAD: Sonoma. Comment
  JEPS129121  Hesperolinon disjunctum Jake Ruygt 2015-5-2 6089 Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  SD51675  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Ca. 1.0 mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Montecello road. 121 Comment
  UCD160796  Hesperolinon disjunctum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8676 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCR43104  Hesperolinon disjunctum L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  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
  CDA30785  Hesperolinon drymarioides V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS122778  Hesperolinon drymarioides Jake Ruygt 1993-6-5 3275 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  JEPS112654  Hesperolinon micranthum Jake Ruygt 1996-5-14 3692 Napa White Cliff Springs; Elder Valley; (Sabini property). 384 Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. Comment
  JEPS122906  Hesperolinon micranthum Adam C. Schneider 2015-5-15 937 Napa Capell Valley Road, just southeast of intersection with Knoxville Road Comment
  JEPS32298  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howeel Mountain 396 Comment
  RSA653987  Hesperolinon micranthum Beecher Crampton 1956-5-25 3452 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UCD160649  Hesperolinon micranthum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8735 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD36936  Hesperolinon micranthum Beecher Crampton 1956-5-25 3452 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  UC1212410  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4592 Napa 2.2 mi beyond jct Wooden Valley road (on road between Wooden Valley and Cappell Valley, Highway 37); Inner North Coast Ranges 259 Comment
  UC1212412  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4594 Napa nw of Cappell Valley; Inner North Coast Ranges 243 Comment
  JEPS111339 Image available Hesperolinon sharsmithiae Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  JEPS122840  Hesperolinon sharsmithiae W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 224 Napa Along trail up to meadow above Shadhilyya Sufi Center. Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  JEPS123309  Hesperolinon sharsmithiae David Gowen 2009-6-18 1069 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  JEPS112545  Hesperolinon spergulinum Jake Ruygt 1993-6-12 3283 Napa Lewelling Ranch, west of end Lewelling Lane. 185 Comment
  UC1212394  Hesperolinon spergulinum Helen K. Sharsmith 1959-5-18 4710 Napa n of Aetna Springs (about 1 mi above the hotel); Inner North Coast Ranges 274 Comment
  JEPS11799  Heterocodon rariflorum Willis L. Jepson 1893-1 Napa grade below New Eden (Howell Mt); Napa River Basin, Howell Mt. Comment
  SEINET10460655  Heterocodon rariflorum Tracy TRACY 2226 Napa HOWELL MTN. Comment
  CAS-BOT-BC143748  Heteromeles arbutifolia L. R. Abrams 1916-7-2 5765 Napa Near St. Helena Sanitarium Comment
  UC1198754  Heteromeles arbutifolia J. P. Tracy 1899-7-4 377 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  UC1536920  Heteromeles arbutifolia Gordon H. True Jr. 1937-6-20 729 Napa e of Napa (Mt. George); Mt. George 304 Comment
  UCD113325  Heteromeles arbutifolia P. J. Plummer 1995-6-5 s.n. Napa Highway 128. 73 Comment
  UCD118394  Heteromeles arbutifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD159954  Heteromeles arbutifolia Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Top of east slope, above Q48. 243 Comment
  JEPS20392  Heterotheca grandiflora W. L. Jepson 1937-9-29 18574 Napa at sandstone cliffs at bridge over Napa River (on road to St. Helena Sanitarium) Comment
  UC1999863  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake Co. line Comment
  UC11351  Heuchera micrantha var. erubescens Willis L. Jepson 1893-5-8 Napa Howell Mt; Napa River Basin Comment
  CAS-BOT-BC312333  Hieracium albiflorum Peter H. Raven 1950-6-20 2347 Napa Napa Range between Conn Valey and Howell Mtns. Comment
  CAS-BOT-BC324652  Holocarpha virgata John Thomas Howell 1930-10-19 5609 Napa 2 miles southeast of Aetna Springs, Pope Valley Comment
  UCD32908  Holodiscus discolor Beecher Crampton 1965-6-17 7424 Napa Napa county line, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  CAS-BOT-BC149996  Holodiscus discolor var. discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya 487 Comment
  CAS-BOT-BC315788  Holozonia filipes C. G. Pringle 1882-10-9 s.n. Napa Napa Comment
  UC668201  Holozonia filipes Joseph P. Tracy 1938-6-6 15838 Napa between Napa City and Youngville; Napa Valley 30 Comment
  UCD160786  Hordeum brachyantherum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8666 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  JEPS122921  Hordeum brachyantherum subsp. brachyantherum Jake Ruygt 1991-6-22 2728 Napa Hunting Creek at mouth of sensitive plant canyon. Quad: Jericho Valley. Comment
  UC1023500  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa E of Palisades (Crater Region) 762 Comment
  UCD85529  Hordeum brachyantherum subsp. californicum Beecher Crampton 1962-5-16 6424 Napa 6.4 miles S of Pope Valley, western slope of Chiles Valley. Comment
  UCD20430  Hordeum murinum E. Dean; w/ PLB 102 class 2002-5-4 1018 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  UCD168567  Hordeum murinum subsp. leporinum Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS106982  Hydrocotyle sibthorpioides Doreen Smith Nov 2003 s. n. Napa lawn of Silverado Country Club, E edge Napa Valley on NE side of Napa 39 Comment
  UCD73842  Hypericum concinnum Ellen Dean; S. Rae 2008-5-21 4977 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  CAS-BOT-BC410807  Hypericum concinnum John Thomas Howell 1926-10-3 2207 Napa Near top of Mt. St. Helena 1066 Comment
  JEPS66804  Hypericum formosum var. scouleri W. L. Jepson 1893-6-26 13963 Napa Howell Mt. Comment
  CAS-BOT-BC312893  Hypochaeris glabra John H. Thomas 1955-5-21 5177 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UCD120789  Hypochaeris radicata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7329 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
  UCD133462  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 345 Napa east slope of Mt. Veeder. Comment
  UCD160737  Hypochaeris radicata Ellen Dean 2015-5-23 8789 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  HSC41168  Iris fernaldii Robert M. Specht 1976-5-15 457 Napa 0.3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  UCD138729  Iris fernaldii Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  IRVC14047  Iris macrosiphon A. French 1967-5-7 36 Napa Oakville-Santa Rosa Road; ca. 7 mi. from Oakville. Comment
  JEPS126051  Iris macrosiphon Jake Ruygt 2007-3-31 5133 Napa Las Posadas State Forest NW of Fire Station. Saint Helena 7.5' Quad. Comment
  UCD170210  Iris macrosiphon Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 747 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UC917188  Iris macrosiphon C. G. Baughn 1949-4-24 27 Napa 4 mi nw Cordelia (State Highway 12) Comment
  JEPS103968  Isoetes nuttallii Jake Ruygt 1996-5-19 3718 Napa Corner of Pope Valley Road and Barnett Road, Pope Valley 192 Comment
  UC1239793  Isoetes nuttallii Joseph P. Tracy 1933-4-30 12113 Napa 3 - 4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt, La Jota Plateau 518 Comment
  UC1245416  Isoetes nuttallii Joseph P. Tracy 18659 Napa 5 mi. e. Angwin's (hills at head of Moore's Creek); Howell Mt. 518 Comment
  UC14915  Isoetes nuttallii J. P. Tracy 1902-5-19 1553 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  JEPS369  Isoetes orcuttii J. P. Tracy 1902-5-19 1553 Napa Howell Mt., Moore's Creek 518 Comment
  JEPS121362  Isolepis carinata Jake Ruygt 1986-6-21 1837 Napa Fagans Marsh Comment
  JEPS106647  Jaumea carnosa Jake Ruygt 1979-7-29 786 Napa Fagan's Marsh 1 Comment
  UC484303  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1801 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  JEPS66906  Juncus balticus W. L. Jepson Jun 23 1918-Jun 24 1918 7664 Napa Calistoga Comment
  JEPS122672  Juncus bufonius var. bufonius Jake Ruygt 1979-5-15 595 Napa Marina Drive, Napa. Quad: Napa. Comment
  UCD149570  Juncus bufonius var. bufonius Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD149577  Juncus bufonius var. congestus Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD166698  Juncus capitatus Jake Ruygt 20 May1992 2993 Napa southwest of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  JEPS126053  Juncus dubius Jake Ruygt 2010-6-26 5659 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  RSA769190  Juncus ensifolius L. Ahart 2009-10-12 16461 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
  JEPS122664  Juncus occidentalis Jake Ruygt 1978-5-27 341 Napa 7.7 miles NE of Monticello Road on Atlas Peak Road. Quad: Capell Valley. Comment
  UC184101  Juncus occidentalis Joseph P. Tracy 1905-7-5 2211 Napa 3-4 mi e Angwin's (at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UCD95686  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7031 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  RSA368101  Juncus oxymeris Robert Gustafson, Don Reynolds 1983-6-7 2734 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC527940  Juncus oxymeris R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6686 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 Comment
  JEPS75645  Juncus patens W. L. Jepson 1936-6-1 17577 Napa w side Four Corners; Napa Range, Howell Mt. 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
  RSA517031  Juncus patens W. L. Jepson 1936-6-1 17577 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UCD166709  Juncus phaeocephalus var. paniculatus Jake Ruygt 1992-5-6 2942 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 411 Comment
  JEPS126106  Juniperus californica Jake Ruygt 1980-3-22 814 Napa Between Snell Valley and Big Basin. Aetna Springs 7.5' Qua. Comment
  CAS-BOT-BC236774  Keckiella breviflora H. E. McMinn 1922-6-8 207 Napa Along Pope Creek Comment
  JEPS110640  Keckiella corymbosa Jake Ruygt 1988-8-14 2227 Napa Adams Creek-Ridge 548 Comment
  JEPS10863  Keckiella lemmonii Alice King Jul 1919 Napa Mt. St. Helena; Van Ness ranch Comment
  JEPS10895  Keckiella lemmonii W. L. Jepson 1937-9-27 18573 Napa ne of St. Helena (on road to Sanitarium); Glass Mountain Comment
  POM222621  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, Napa Valley. Comment
  UCD123886  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 miles north of Calistoga, Napa River. Comment
  CDA10910  Koeleria macrantha G. F. Hrusa, M. Rejmanek 1993-5-15 11006 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS76077  Koeleria macrantha W. L. Jepson 1938-5-18 18789 Napa behind St. Helena Sanitarium Howell Mountain; , behind St. Helena Sanitarium Comment
  UCD160802  Koeleria macrantha Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8682 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD170372  Koeleria macrantha Daniel Potter; N Khuu, K Battenberg 2016-4-30 870 Napa Knoxville Wildlife Area, along Nevada Creek. 220 Comment
  UCD37404  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  UCD85728  Koeleria macrantha Beecher Crampton 1953-5-19 1307 Napa 10 miles west of Monticello, along Highway 128. Comment
  CAS-BOT-BC499633  Kopsiopsis strobilacea Elizabeth Wright 1921-5-1 s.n. Napa Calistoga 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
  SEINET1782109  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
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Nov 25 2013
  UCD48601  Lagophylla minor M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 8 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 297 Comment
  UCD48648  Lagophylla minor K. Mogel; B. Pekin and M. Higley 2002-5-4 1 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 750 ft. along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  CAS-BOT-BC341422  Lagophylla minor J. Clausen 1935-5-22 1069 Napa 1 mile east of Chiles Valley Store Comment
  CAS-BOT-BC341428  Lagophylla minor Bruce G. Baldwin 1986-4-19 600 Napa 1.0 mile east of junction with Silverado Trail along California State Highway 128 Comment
  JEPS41064  Lagophylla minor Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9114 Napa about 7 mi se Knoxville (at the s end of Cedar Valley); Cedar Valley 594 Comment
  SEINET3860269  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring.; 0 Comment
  CAS-BOT-BC341556  Lagophylla ramosissima Rimo Bacigalupi 1928-6-20 1868 Napa Howell Mt. 10 miles west of St. Helena Comment
  CAS-BOT-BC341559  Lagophylla ramosissima H. M. Hall 1931-5-26 13092 Napa Twelve miles by road south of Monticello; near Capell Comment
  CAS-BOT-BC338274  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  JEPS10172  Lasthenia californica subsp. californica Willis L. Jepson 1893-4-24 Napa e St. Helena Comment
  UC893761  Lasthenia californica subsp. californica Milo S. Baker 1929-4-1 3580 b Napa near Calistoga Geyser Comment
  JEPS106624  Lasthenia glaberrima Jake Ruygt 1986-5-1 1736 Napa Imola Ave. NW of McDonald's restaurant 4 Comment
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 Comment
  UCD147460  Lasthenia glaberrima Ellen Dean; Diana Hickson 2014-4-29 8073 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  RSA51265  Lasthenia glaberrima Peter H. Raven 1950-5-6 2004 Napa Near geysers and hot springs near Calistoga airfield, Calistoga. 46 Comment
  UCD133773  Lasthenia gracilis J. D. Clark 1995-5-27 11 Napa on trail between 1/4 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UC30426  Lasthenia gracilis Willis L. Jepson 1893-5-1 Napa Napa Valley Napa River Basin, Upper Napa Valley Comment
  RSA0018558  Lathyrus Keith E. Hoffmaster 1946-3-23 1086 Napa Napa range, along Napa-Monticello road Comment
  CDA4151  Lathyrus aphaca Mrs. H. C. Ackley Jun 1963 Napa Tubbs Lane near Calistoga. 0 Comment
  UCD106197  Lathyrus aphaca Michael A. Vincent; Ethan H. Freid 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. 2.5 miles southeast of Calistoga city limits. Comment
  CDA4177  Lathyrus hirsutus J. T. Howell 1966-6-2 41552 Napa Dry Creek Road near head of Dry Creek south west of Oakville. 0 Comment
  JEPS107272  Lathyrus hirsutus Jake Ruygt 1994-6-4 3395 Napa Lewelling Ranch, Sulphur Springs Road; road to upper meadow 182 Comment
  UCD75719  Lathyrus tingitanus Jake Ruygt 1979-5-6 581 Napa Mt. St. Helena. 182 Comment
  CDA11433  Lathyrus torreyi G. F. Hrusa, M. Tu 1995-5-6 12156 Napa North Coast Biodiversity Arena; along Moores Creek in Las Posadas State Forest. Comment
  UC15358  Lathyrus torreyi Willis L. Jepson 1894-4-30 Napa near Calistoga; Napa River Basin Comment
  UCD75718  Lathyrus torreyi Jake Ruygt 2007-4-15 5153 Napa Las Posadas State Forest, upper Wildcat Canyon at hunting camp. 451 Comment
  UCSB3115  Lathyrus vestitus Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  JEPS107264  Lathyrus vestitus var. vestitus Jake Ruygt 1982-3-22 1141 a Napa Sugarloaf peak near Skyline Park 396 Comment
  JEPS55351  Lathyrus vestitus var. vestitus W. L. Jepson 531 Napa Howell Mt. grade to New Eden Comment
  UC1073276  Lathyrus vestitus var. vestitus George B. Rossbach 1955-2-19 328 Napa se slope Mt. St. Helena (nw Napa County) 1158 Comment
  UCD18177  Layia chrysanthemoides Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD23376  Layia chrysanthemoides A. Bennett 1977-4-24 22 Napa 0.2 miles south of Knoxville Mine on Berryessa Knoxville Road. East of highway on level open field with many different cruciferous plants. Open meadow. Valley grassland. Comment
  JEPS106617  Layia gaillardioides Jake Ruygt 1980-4-22 858 Napa .7 miles NW of Knoxville on Berryessa-Knoxville Rd. 457 Comment
  SEINET10840534  Legenere limosa Holland 1983-5-21 HOLLAND 1230 Napa A few hundred feet east of Routes 12 and 29, about 3.9 miles south of Route 121, about 1000 feet north of Suscol Creek 30 Comment
  CAS-BOT-BC534370  Lemna minor Peter H. Raven 1952-5-31 4105 Napa Slough of Napa Creek e. Yountville 30 Comment
  JEPS34473  Lemna minuscula L. R. Heckard 1964-5-23 1362 Napa about 2 mi sw of Aetna Springs (Cleary Reserve (Nature Conservancy)); Cleary Reserve (Nature Conservancy) 365 Comment
  CAS-BOT-BC215774  Lepechinia calycina Milo S. Baker 1926-5-1 221 Napa 2 mi. S.e. of Inn, Mt. St. Helena Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 Comment
  UCD74399  Lepidium didymum Jake Ruygt 1990-5-16 2545 Napa Marina Drive, Napa. 3 Comment
  UCD50232  Lepidium draba S. Nichol 2004-4-1 s.n. Napa east of intersections 121 and 128. Comment
  CAS-BOT-BC12512  Lepidium nitidum Alice Eastwood 1922-3-25 11092 Napa Calistoga. Comment
  CAS-BOT-BC12925  Lepidium strictum A. A. Heller; H. E. Brown 1902-4-25 5363 Napa Near Napa. Comment
  CAS-BOT-BC12927  Lepidium strictum Peter H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  RSA51336  Lepidium strictum P. H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  RSA115540  Leptosiphon acicularis Beecher Crampton 1957-6-4 s.n. Napa Above Capell Creek, north end Capell Valley Comment
  RSA468547  Leptosiphon androsaceus J. T. Howell 1931-4-19 6441 Napa Conn Valley. Comment
  POM182717  Leptosiphon androsaceus D. D. Keck 1931-4-3 1070 Napa Pope creek canyon, near Walter Springs Comment
  UCD118585  Leptosiphon androsaceus Alan P. Godlewskie 1974-5-3 15 Napa west of Lake Berryessa, approximately 75 yards from Highway 128. Comment
  UCD164865  Leptosiphon bolanderi Jake Ruygt 2012-4-21 5829 Napa Crystal Flats, west of Putah Creek. 216 Comment
  UCD167231  Leptosiphon bolanderi Jake Ruygt 2003-3-31 4486 Napa South of historic Knoxville on ridge to west. 445 Comment
  HSC43982  Leptosiphon ciliatus Robert M. Specht 1977-4-19 696 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD164494  Leptosiphon ciliatus A. Amezcua 1995-5-26 22 Napa 300 m west of Berryessa- Knoxville Road, approximately 3 km of Spanish Flat Resort. 200 Comment
  UCD167233  Leptosiphon latisectus Jake Ruygt 2008-4-19 5294 Napa Cadlestick Ridge, Wildlake Ranch. 675 Comment
  HSC17075  Leptosiphon parviflorus C. B. Wolf 1928-5-3 1792 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  SJSU8698  Leptosiphon parviflorus E. C. Garbett 1961-4-15 308 Napa Oakville Grade midway between Mt Veeder Rd & Oakville Comment
  UCD118393  Leptosiphon parviflorus Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD121168  Leptosiphon parviflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7353 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
  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
  UCD167234  Leptosiphon parviflorus Jake Ruygt 1983-5-1 1452 b Napa Suscol Ridge east of Highway 29 (221). 22 Comment
  CAS-BOT-BC324164  Lessingia hololeuca Peter H. Raven 1952-8-26 5147 Napa Railway 0.75 miles west of Buchli Station 30 Comment
  CAS-BOT-BC324167  Lessingia hololeuca John Thomas Howell 1927-9-10 3098 Napa Near Callistoga 213 Comment
  UC517444  Lessingia hololeuca Milo S. Baker 1933-9-9 7536 Napa Calistoga geysers Comment
  CAS-BOT-BC342022  Lessingia ramulosa John Thomas Howell 1930-10-19 5613 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  UC761925  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa canyon of s fork Butts Creek; Canyon of s fork of Butts Creek Comment
  UCD161608  Lessingia ramulosa Jake Ruygt 1999-7-10 4201 Napa Spring Mountain Road at York Creek, reservoir, across road. 195 Comment
  SEINET11933914  Lewisia rediviva F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -298 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC1746036  Lilaea scilloides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2763 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS89888  Lilaeopsis masonii Dean Wm. Taylor with Glenn L. Clifton 1990-5-30 10815 Napa Napa R. in Napa, ca. 150 meters downstream of Third St. bridge, on west bank. Comment
  UC619361  Lilaeopsis masonii Wilhelm N. Suksdorf 1913-7-24 630 Napa 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
  UCD82054  Limnanthes douglasii Robin McMaster 1972-4-25 80 Napa Pope Valley. Comment
  HSC45342  Limnanthes douglasii R. York 1978-4-8 117 Napa Pope Valley, Lake Springs Ranch 305 Comment
  JEPS19610  Limnanthes douglasii W. L. Jepson 1924-4-6 10326 Napa Napa 15 Comment
  JEPS48862  Limnanthes douglasii Elsa Kraeger 1926-3-27 Napa s Soscol Comment
  JEPS112543  Limnanthes douglasii subsp. douglasii Jake Ruygt 1996-3-30 3547 Napa Napa Valley Horseman's Association, Foster Road, Napa 6 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
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 Comment
  UCD116513  Limnanthes douglasii subsp. nivea D. C. Finfrock 1950-4-4 10 Napa along roadside of State Highway 29, north edge of Yountville. Comment
  UCD116445  Limnanthes douglasii var. nivea H. Popenoe 1949-4-17 8 Napa 17 miles from Winters, Putah Canyon Road, at entrance to Monticello Valley. Comment
  UC23363  Linanthus androsaceus Willis L. Jepson 1893-4-28 Napa trail to Caux's Cabin Napa River Basin Comment
  JEPS111461 Image available Linanthus dichotomus subsp. meridianus Sally Chess 2003-4-22 112 Napa Robert Louis Stevenson State Park. Comment
  CAS-BOT-BC123058  Linanthus jepsonii Carol Goodwillie 1995-5-11 1 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km W of Hardin Road, 60 meters N of vernal pool 256 Comment
  JEPS58110  Linanthus parviflorus W. L. Jepson 1915-4-23 6255 Napa Conn Valley Napa Range Comment
  JEPS58099  Linanthus parviflorus W. L. Jepson 1893-4-28 20938 Napa ne of Napa (Wooden Valley, grade near w base Napa Range); Napa Valley Range, Wooden Valley Comment
  UC402909  Linanthus parviflorus Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George Comment
  UC762365  Lithocarpus densiflorus R. F. Hoover 1941-5-10 5012 Napa e side Mt. St. Helena Comment
  JEPS110623  Lithophragma affine Jake Ruygt 1997-4-5 3824 Napa South of intersection of Butts Canyon Rd with James Creek Rd 207 Comment
  JEPS47510  Lithophragma affine W. L. Jepson 1910-3-28 4029 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  UC924229  Lithophragma affine H. S. Reed 1939-4-16 226 Napa Napa Hills 198 Comment
  UCD102709  Lithophragma affine M. Wiesendanger 1928-4-5 861 Napa Monticello-Napa Road. Comment
  UCD49253  Lithophragma affine Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 182 Comment
  JEPS110625  Lithophragma bolanderi Jake Ruygt 1998-5-30 4006 Napa About .3 mile from Table Rock. 682 Comment
  CAS-BOT-BC435617  Lithophragma heterophyllum L. R. Abrams 1928-5-3 12243 Napa Summit St. Helena Grade Comment
  JEPS20920  Logfia filaginoides Willis L. Jepson 1896-6-1 Napa Helena Napa River Basin, Helena Comment
  JEPS20922  Logfia filaginoides W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  JEPS20927  Logfia gallica W. L. Jepson 1923-4-29 9886 Napa St. Helena 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
  UCD150868  Lomatium caruifolium var. caruifolium Robert E. Preston 1988-4-10 586 Napa ca. 0.6 mile ESE of the confluence of Putah and Hunting Creeks. 304 Comment
  UCD19955  Lomatium dasycarpum E. A. Dean; Virginia Boucher 2002-2-28 904 Napa Quail Ridge Reserve. Along upper trail, north of stock pond near Quail Ridge tip. 0.25 airline miles NE of junction with West Rd. 304 Comment
  UCR45089  Lomatium dasycarpum 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
  JEPS105675  Lomatium dasycarpum subsp. dasycarpum L. P. Janeway, B. Castro 2002-5-12 7549 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek 488 Comment
  POM182726  Lomatium dasycarpum subsp. dasycarpum D. D. Keck 1931-4-3 1061 Napa Pope Creek Canyon, 5 miles northwest of Monticello Comment
  UCD148109  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-4-6 485 Napa Napa County; on Snell Valley Rd. 0.3 mi. east of Butts Canyon Rd. 207 Comment
  RSA0000717  Lomatium dasycarpum var. medium W. L. Jepson 1896-6-2 14303 Napa Conn Valley Ridge. Napa Valley Basin. Comment
  UCD47860  Lomatium hooveri D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 7 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south path. 545 Comment
  JEPS129176  Lomatium marginatum var. purpureum Jake Ruygt 2015-3-7 6032 Napa South of Snell Peak. Aetna Spring 7.5' Quad. Comment
  JEPS14277 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
  UC1197152  Lomatium marginatum var. purpureum J. P. Tracy 1899-6-13 413 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
  JEPS13744  Lomatium marginatum var. purpureum Frank W. Gould 1939-4-6 613 Napa one mi N of Knoxville Comment
  UC1076637  Lomatium marginatum var. purpureum Lincoln Constance, Reino Alava, Robert Ornduff 1957-5-5 3548 Napa n. side Mt. St. Helena (St. Helena Creek); , St. Helena Creek 365 Comment
  OBI8852  Lomatium nudicaule Willis L. Jepson 1893-6-14 14316 Napa Near Napa City; Road to Napa Soda Springs near Geualon Miller's Comment
  JEPS101764  Lomatium repostum Dean W. Taylor 1998-6-3 16456 Napa Kidd Canyon on road 50 m N of mine mill site ca. 0.5 road miles N of Twin Peaks Mine 579 Comment
  RSA278514  Lomatium repostum T. C. Emmel 1964-4-11 6 Napa Mount St. Helena 915 Comment
  UC1224683  Lomatium repostum G. Ledyard Stebbins 1964-5-24 6157 Napa in hills W of Aetna Springs, about 1/2 mi W of Corona Mine Comment
  UCD82606  Lomatium repostum Ellen Dean; T. Starbuck 2009-5-4 5544 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  JEPS104473  Lomatium utriculatum Jake Ruygt 1994-3-26 3337 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  UCD127802  Lomatium utriculatum Moacyr Maestri 1965-3-19 7 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley. Comment
  JEPS12318  Lomatium utriculatum W. L. Jepson 1943-5-15 20771 Napa Berryessa Valley, Oak Grove School Comment
  UCD19867  Lomatium utriculatum C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1198 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  CAS-BOT-BC240562  Lonicera hispidula L. S. Rose 1927-5-28 s.n. Napa Napa Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  JEPS106726  Lonicera hispidula var. vacillans Jake Ruygt 1989-6-3 2355 Napa Monticello Rd. wset of Snow Flat; above Sarco Cr. 237 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
  CAS-BOT-BC200940  Lotus John H. Thomas 1955-5-21 5111 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  RSA3633  Lotus humistratus I. L. Wiggins 1932-3-12 5764 Napa Hillside between Calistoga and Franz Valley. Comment
  JEPS64887  Lotus scoparius W. L. Jepson 1934-10-19 16902 Napa St. Helena Comment
  JEPS107202  Lotus strigosus Jake Ruygt 1997-5-18 3857 Napa Bismark Knob 615 Comment
  UCD78328  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-10-4 05- 35 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 98 Comment
  CAS-BOT-BC60254  Lunaria annua Peter H. Raven 1950-5-6 2032 Napa Southern limits of Calistoga on Route 28. 60 Comment
  SEINET197847  Lupinus albifrons Mrs. H. P. Bracrlin 1930-3-29 5 m-3'30 Napa N.W. flaubs of Int. Yanger. Uprn Firddes abouth 1M. Prigles Comment
  CAS-BOT-BC201555  Lupinus albifrons var. albifrons Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  POM195576  Lupinus albifrons var. albifrons H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  RSA26103  Lupinus albifrons var. albifrons H. C. Cantelow 1936-3-21 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC196281  Lupinus albifrons var. eminens Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  CAS-BOT-BC196283  Lupinus albifrons var. eminens Eliz. Parsons Hawver 1915-6-3 s.n. Napa Skaggs Springs Comment
  HSC58983  Lupinus bicolor G. E. Johnston 1974-4-4 1019 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS107222  Lupinus bicolor Jake Ruygt 1979-5-2 569 Napa SE corner of Big Ranch Rd. and Trancas Street, Napa 13 Comment
  UCD107265  Lupinus bicolor G. E. Johnston 1974-4-4 6119 Napa near Bell Canyon, near Angwin. 426 Comment
  UC1300887  Lupinus bicolor Helen K. Sharsmith 1963-3-17 5229 Napa along Silverado Trail; San Francisco Bay Region, along Silverado Trail 76 Comment
  UCD16030  Lupinus bicolor N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 18 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-3 dm tall, flowers dark purple/blue. Comment
  POM181010  Lupinus densiflorus var. densiflorus Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley. Comment
  UCD107994  Lupinus latifolius D. E. Breedlove 1963-5-29 5053 Napa 4 miles S of Pope Valley. Comment
  UC142911  Lupinus latifolius var. latifolius Katharine Brandegee 1910-5-18 Napa near the Toll House Mt. St. Helena; , near the Toll House Comment
  UCD18165  Lupinus microcarpus 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
  OBI48330  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  RSA659035  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1419 Napa Ca 1218 E, 7.4 mi E jct. Hwy. 29 in Rutherford, 3.6 mi W jct. Lower Chiles Valley Rd. Comment
  SD243357  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 miles E junction CA 121, 2.9 miles W Monticello Dam, Lake Berryessa. 289 Comment
  JEPS65392  Lupinus nanus W. L. Jepson 1897-5-2 60 t Napa St. Helena Comment
  JEPS65397  Lupinus nanus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UCD168545  Lupinus nanus 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
  UCD70476  Lupinus nanus P. J. Plummer 1995-5-27 s.n. Napa W of city of Winters, off hwy 128. 335 Comment
  UC534990  Lupinus nanus Mrs. H. P. Bracelin 1932-4-17 234 Napa four mi s Yountville Comment
  UC725969  Lupinus nanus A. A. Heller 1929-3-16 14821 Napa grade near foot Mt. St. Helena; foot of Mt. St. Helena Comment
  RSA672427  Lupinus sericatus Lyman Benson 1935-5-19 6656 Napa Mount St. Helena 915 Comment
  UC725353  Lupinus sericatus A. A. Heller 1940-5-6 15586 Napa just below the crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena Comment
  RSA699930  Luzula campestris Keith E. Hoffmaster 1946-3-23 1080 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD95924  Luzula comosa Ellen Dean; with Clare Loughran 2011-5-20 7057 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  JEPS126059  Luzula comosa var. comosa Jake Ruygt 2010-6-21 5643 Napa Van Ness Canyon near Bear Valley. Detert Reservoir 7.5' Quad. Comment
  UC183778  Luzula macrantha Joseph P. Tracy 1902-5-21 1604 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's 457 Comment
  CAS-BOT-BC441242  Luzula macrantha Alice Eastwood 1922-5-4 11260 Napa Calistoga Comment
  JEPS120343  Lythrum californicum Jake Ruygt 2000-6-10 4275 Napa Adams Creek. Walter Springs 7.5' Quad. Comment
  JEPS45950  Lythrum hyssopifolia Willis L. Jepson 1893-6-26 14093 Napa below New Eden (grade to Howell Mountain, Napa River Basin); Napa River Basin Comment
  JEPS45952  Lythrum hyssopifolia W. L. Jepson 1894-11-7 14092 Napa Napa Comment
  UCD19326  Lythrum hyssopifolia M. A. Bibbo; E. Dean 2001-7-6 18 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  UCD103029  Lythrum hyssopifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CAS-BOT-BC343829  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC343832  Madia elegans Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC343826  Madia elegans Peter H. Raven 1951-6-10 s.n. Napa Rt. #29 north of Calistoga 152 Comment
  JEPS40381  Madia elegans W. L. Jepson 1937-9-29 18570 Napa on road to sanitarium; St. Helena Comment
  UC523529  Madia elegans David D. Keck 1933-11-10 2714 Napa weed field by High School; Calistoga Comment
  CDA10889  Madia exigua G. F. Hrusa, M. Rejmanek 1993-5-15 10984 Napa UC Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD111672  Madia exigua Christopher Mallek 2007-5-13 s.n. Napa Knoxville. 593 Comment
  CAS-BOT-BC344449  Madia exigua J. Clausen 1935-5-22 1070 Napa One mile east of Chiles Valley Store Comment
  JEPS38330  Madia exigua W. L. Jepson 1938-5-18 18794 Napa slope above St. Helen Sanitarium; Howell Mts. Comment
  JEPS106550  Madia gracilis Jake Ruygt 1984-5-5 1538 Napa Bell Canyon, above reservoir 426 Comment
  UCD48577  Madia gracilis Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  CAS-BOT-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-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  SEINET10672316 Image available Madia hallii Harvey M. Hall 1931-5-27 Hall 13094 Napa Near Knoxville, northeastern Napa County. On south-facing, stony, serpentine ridge. Comment
  CDA11428  Madia nutans G. F. Hrusa, M. Tu 1995-5-6 12151 Napa North Coast Biodiversity Arena; on Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  RSA104111  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  RSA10705  Madia nutans C. B. Wolf 1928-5-3 1782 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC345052  Madia sativa David D. Keck 1933-11-10 2717 Napa Calistoga Comment
  JEPS106637  Madia sativa Jake Ruygt 1987-5-27 2016 Napa Dept. of Fish and Game, Huichica Cr.prop erty near Buchli 2 Comment
  UCD166657  Maianthemum stellatum Jake Ruygt 1999-4-24 4132 Napa Partrick Road. 85 Comment
  JEPS36797  Malacothrix clevelandii W. L. Jepson 1938-5-25 18865 Napa Bell Canyon, Napa Range, Howell Mt. Comment
  UC831138  Malacothrix floccifera Alice Eastwood and John Thomas Howell 1939-6-11 7423 Napa sw of Oakville; Mt. Hood Range Comment
  UCD170680  Malacothrix floccifera 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  JEPS42486  Marah oregana Willis L. Jepson 1893-4-25 14134 Napa w St. Helena (trail to Caux's Cabin); Hoods Peak Range, Napa River Basin Comment
  UCD170145  Marah watsonii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 731 Napa Knoxville Wildlife Area. 311 Comment
  HSC103452  Marah watsonii Thomas W. Nelson, Jane Nelson 1981-4-14 6395 Napa Along Devil's Head Rd., .5 mi. from junction with Morgan Valley Rd., at junction with road to Hunting Creek 549 Comment
  JEPS120339  Marsilea vestita subsp. vestita Jake Ruygt 1992-6-13 3037 Napa Bear Valley, pond at the south end. Detert Reservoir 7.5' Quad. Comment
  JEPS126123  Medicago praecox Jake Ruygt 2010-4-24 5518 Napa Pope Canyon Road, just west o road summit. Walter Springs 7.5' Qua. Comment
  SEINET5322427  Melica californica M. Mooney 1982-4-17 452 Napa Stebbins-Cold Canyon Nature Preserve, south of dam at Lake Berryessa 91 Comment
  POM263002  Melica geyeri J. C. Roos 1939-5-12 317 Napa Angwin, Howell Mtn., Napa Range. Comment
  UC187217  Melica geyeri Joseph P. Tracy 1902-5-15 1468 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 396 Comment
  UCD87300  Melica geyeri Collector Unknown 1928-4-15 s.n. Napa Blake College -- east of Pacific Union College. Comment
  SEINET4671608  Melica geyeri W. Boyle 1942-4-25 1072 Napa Along the Silverado Trail Road 7 miles south of Calistoga Comment
  HSC10357  Melica imperfecta J. V. Lenz 1947-4-19 Napa Chiles Valley Comment
  UCD73403  Melica imperfecta Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC264215  Melica torreyana Peter H. Raven 1952-5-31 4146 Napa Summit of hills sw of Rector Canyon 304 Comment
  CHSC83356  Melica torreyana L. P. Janeway; B. Castro 2002-5-12 7541 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  JEPS129103  Melica torreyana Jake Ruygt 2016-5-3 6227 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  RSA10676  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SBBG29012  Melica torreyana B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UCD160727  Melica torreyana Ellen Dean 2015-5-23 8779 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD73402  Melica torreyana 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
  UCD88838  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  UCD89195  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  UC126552  Melissa officinalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7107 Napa Alta Loma Ranch, Howell Mt. Howell Mt., Alta Loma Ranch 487 Comment
  CDA34659  Mentha X piperita L. Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  RSA769187  Mentha X piperita L. Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 air miles west of Winters 135 Comment
  RSA769180  Mentha pulegium L. Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UCD149586  Mentha pulegium 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
  UCD73516  Mentha pulegium Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC52221  Mentzelia laevicaulis var. laevicaulis Mrs. Silas Dimock Sept 1903 Napa St. Helena Comment
  JEPS122765  Mentzelia micrantha Jake Ruygt 2005-5-14 4841 Napa Ridge on west side of the mouth of Long Canyon. Quad: Knoxville. 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
  UCD18173  Micropus californicus 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
  UC527951  Micropus californicus var. californicus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6656 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  JEPS84591  Micropus californicus var. californicus John W. Willoughby 1975-5-23 774 Napa w of, s of highway Monticello Dam; Vaca Mountains, State Highway 128 Comment
  UC164799  Micropus californicus var. californicus Joseph P. Tracy 1902-5-14 1442 Napa near St. Helena; Northern Coast Ranges, Howell Mt. Grade 304 Comment
  CAS-BOT-BC348967  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC349102  Microseris douglasii subsp. tenella John Thomas Howell 1931-4-19 6449 A Napa Conn Valley Comment
  UC1239523  Microseris douglasii subsp. tenella Joseph P. Tracy 1933-6-2 12483 Napa 3 to 4 mi e Angwin's (on hills at the head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  RSA195379  Microseris lindleyi Gilbert Muth 1967-4-16 635 Napa Snell Valley. 183 Comment
  UCD14920  Mimulus aurantiacus Glen Dreyer 1977-4-16 39 Napa California, Napa Co.; along Highway 128, ca. 3 mi. west of Monticello Dam; Comment
  UCD159948  Mimulus aurantiacus 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
  UCD122427  Mimulus bolanderi S. E. Schoenig 1998-6-3 98- 20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. 655 Comment
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Apr 20 2017
  JEPS10249  Mimulus cardinalis Alice King July 1919 Napa Van Ness ranch Mt. St. Helena Comment
  UCD170434  Mimulus douglasii Daniel Potter; Peter Lash 2017-3-28 906 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road. 335 Comment
  SEINET12808679  Mimulus guttatus Christopher T. Ivey 2003-1 364 Napa Population occurred along stream margin feeding Racoon Lagoon at N end of Lake Berryessa, abnout 4.5 mi N of Pope Canyon Road on Berryessa-Knoxville Road 362 Comment
  UCD170682  Mimulus guttatus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  OBI54926  Mimulus guttatus Kathleen Faustini 1980-5-4 24 Napa Monticello Dam Comment
  RSA523897  Mimulus guttatus W. L. Jepson 1893-5-8 10 Napa Howell Mountain, La Galea Plateau. Napa River Basin. 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
  SEINET8733203 Image available Mimulus guttatus Laura Zeller 1965-1 28 Napa Ca. 2.5 miles NE of Pope Valley Road and Pope Canyon Road junction on Pope Valley Road. Elevation ca. 700 feet. 213 Comment
  JEPS110578  Mimulus kelloggii Jake Ruygt 1998-5-20 3989 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 670 Comment
  CDA41702  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  CDA41703  Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  JEPS100846  Mimulus layneae Dean Wm. Taylor with Mey Akasah 1999-6-4 17224 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 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
  JEPS110610  Mimulus layneae Jake Ruygt 1992-5-15 2958 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
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Nov 11 2011
  JEPS33727  Mimulus layneae D. E. Breedlove 1963-5-29 5081 Napa 8 mi n Pope Valley Comment
  UC1196804  Mimulus layneae Joseph P. Tracy 1933-6-2 12460 Napa 3-4 mi e Angwin's (on hills at head Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UC527936  Mimulus layneae R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6681 Napa 10 mi from Howell Mt.; Butt's Canyon 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
  SEINET7041070  Mimulus micranthus Christopher T. Ivey 2002-4-24 361 Napa In spring at top of the Big Meadow, Wantrup Wildlife Preserve, 4733 Hardin Road, 1.9 miles south of Pope Canyon Road on Hardin Road. Comment
  JEPS11436  Mimulus microphyllus W. L. Jepson 1921-5-6 9168 Napa Yountville 30 Comment
  UCD63062  Mimulus microphyllus Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UCD63063  Mimulus microphyllus Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville-Berryessa Road between Moskowite Corner and Spanish Flat. 190 Comment
  UCD96585  Mimulus microphyllus Dena Grossenbacher; Brian Green 2008-5-29 852 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  JEPS110582  Mimulus nasutus Jake Ruygt 1982-4-25 1203 Napa Swartz Canyon 381 Comment
  UCD122707  Mimulus nasutus L. P. Thibault 1995-5-21 52 Napa along Wragg Creek north side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  JEPS11347  Mimulus nasutus Willis L. Jepson 1893-5-1 5 m Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  UC26938  Mimulus nasutus Edw. L. Greene 1894-6-17 Napa Calistoga; ; Calistoga, Napa Co. Comment
  UC725781  Mimulus nasutus A. A. Heller 1940-4-22 15545 Napa Knight's Valley Comment
Read comments
Jun 25 2013
  JEPS100845  Mimulus nudatus Dean Wm. Taylor with Mey Akasah 1999-6-4 17223 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  JEPS101493  Mimulus nudatus Dean W. Taylor 1998-5-20 16445 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
  UCD160720  Mimulus nudatus Ellen Dean 2015-5-23 8772 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  UCD96021  Mimulus tricolor Dena Grossenbacher; Brian Green 2008-4-10 767 Napa On north side of Knoxville-Berryessa Road about 0.7 miles east of Devil's Head Road junction, McLaughlin UC Reserve. 422 Comment
  CAS-BOT-BC388619  Minuartia douglasii Peter H. Raven 1953-3-29 5223 Napa Hills e. of Imola 121 Comment
  UC1103536  Minuartia douglasii Joseph P. Tracy 1902-5-15 1484 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  CAS-BOT-BC388758  Minuartia douglasii John Thomas Howell 1933-6-4 11393 Napa Hills east of Napa Comment
  POM126651  Monardella viridis Katherine Brandegee s.n. Napa Angwin s Comment
  UCD167097  Monardella viridis Jake Ruygt 2015-6-13 6129 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  UCD170469  Monardella viridis Daniel Potter; Ninh Khuu 2016-6-18 898 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  POM70262  Monardella viridis W. J. Nicholas 1901-7-6 s.n. Napa St. Helena. Comment
  UCR212282  Monardella viridis subsp. viridis Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  SEINET10582241  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 369 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  SEINET10582243  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 372 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  SEINET10961499  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 373 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  JEPS112660  Montia fontana Jake Ruygt 1979-4-11 500 Napa 1.3 miles east of Soscol Avenue on Imola Avenue 36 Comment
  UC7845  Montia fontana Willis L. Jepson 1893-4-26 Napa Napa River Basin, Rutherford Rutherford; Napa River Basin, Rutherford Comment
  CAS-BOT-BC444849  Montia fontana Peter H. Raven 1953-3-29 5212 Napa 2 mi. s. of Calistoga 106 Comment
  SBBG21244  Muhlenbergia andina B. Crampton 1959-8-26 Napa N end of Capell Valley, St Hwy 128 Comment
  JEPS62066  Muilla maritima Elsa Kraeger 1926-3-27 Napa in field near geyser; Calistoga Comment
  POM182667  Muilla maritima David D. Keck 1931-4-4 1096 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UCD36951  Nassella lepida Beecher Crampton 1956-5-25 3481 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD87956  Nassella lepida J. Street 1950-4-25 s.n. Napa 4 miles east of Rutherford. Comment
  UCD149717  Nassella pulchra 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
  UC963810  Navarretia cotulifolia H. L. Mason 1933-4-30 7223 Napa n of Aetna Springs (near Napa-Lake county line); Inner North Coast Range Comment
  JEPS112539  Navarretia divaricata subsp. vividior Jake Ruygt 1982-5-26 1296 Napa S of Robert Louis Stevenson Park toward Palisades 792 Comment
  UCD167175  Navarretia divaricata subsp. vividior Jake Ruygt 2006-7-3 5066 Napa Mead Ranch on 'Old Wagon' trail. 472 Comment
  JEPS112536  Navarretia heterodoxa Jake Ruygt 1991-6-10 2717 Napa above Cooksley Lake toward Summit Lake Dr., Angwin 725 Comment
  UC23628  Navarretia heterodoxa Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  JEPS120319  Navarretia intertexta Jake Ruygt 2002-5-18 4419 Napa Missimer/Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS112533  Navarretia intertexta subsp. intertexta Jake Ruygt 1981-5-21 1033 Napa .3 mile south of Sage Canyon Rd. on Lower Chiles Valley Rd. 274 Comment
  JEPS112535  Navarretia intertexta subsp. intertexta Jake Ruygt 1996-6-23 3751 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 188 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
  JEPS129053  Navarretia intertexta subsp. intertexta Jake Ruygt 2016-6-11 6286 Napa Wantrup Wildlife Preserve. Chiles Valley 7.5' Quad. Comment
  SD3929  Navarretia jepsonii Katherine Brandegee 1910-7-26 Napa Near Aetna Springs Comment
  UCD106388  Navarretia linearifolia subsp. pinnatisecta K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD167189  Navarretia mellita Jake Ruygt 2010-6-10 5607 x Napa About 1/2 mile north of Mays Flat on top of Blue Ridge. 737 Comment
  CAS-BOT-BC232672  Navarretia pubescens Edward Lee Greene 1881-6-30 s.n. Napa Calistoga Comment
  JEPS112552  Navarretia pubescens Jake Ruygt 1988-5-29 2206 Napa Devilshead Rd. at Berryessa-Knoxville Rd 457 Comment
  CAS-BOT-BC232670  Navarretia pubescens John Thomas Howell 1933-6-4 11390 Napa E of Napa Comment
  JEPS70416  Navarretia pubescens Willis L. Jepson 1892-7-28 20964 Napa near Knoxville (ne Napa Co.); Mountain Region of Clear Lake Comment
  JEPS123301  Navarretia rosulata David Gowen with Joe Callizo, Dick O'Donnell 2009-7-6 1080 Napa Cedar Roughs. Comment
  CDA19939  Navarretia squarrosa R. McLellan, M. Bozzo 2002-7-5 PDR 1220417 Napa North Coast Ranges; Vicinity of Calistoga. 0 Comment
  CAS-BOT-BC232736  Navarretia subuligera John Thomas Howell 1940-5-19 15462 Napa Upper St. Helena Creek 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
  SEINET10464791  Nemacladus capillaris Chisaki 1957-5-30 CHISAKI 971 Napa By Soda Creek, between Chiles Valley and Monticello Comment
  UCD149662  Nemacladus montanus Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCD160652  Nemacladus montanus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8738 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  SEINET10461255  Nemacladus montanus Hoffman 1952-5-24 HOFFMAN s.n. Napa Sage Canyon road, 8.3 miles west of the junction of the Monticello, Sage Canyon and Winters roads Comment
  SEINET10461259  Nemacladus montanus Jussell JUSSELL s.n. Napa Napa Comment
  UCD49095  Nemophila heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 6 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. Between stream and South Decker Canyon Rd., where stream comes within 6 ft. of the road. 152 Comment
  RSA10661  Nemophila heterophylla Carl B. Wolf 1928-5-3 1828 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UCD23400  Nemophila heterophylla Eva Kurth 1977-4-10 182 Napa Corolla white. On rocky, SE facing slope 200 yds east of Monticello Dam on Highway 128. Comment
  JEPS3116  Nemophila menziesii Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  RSA733621  Nemophila menziesii Keith E. Hoffmaster 1946-3-23 1076 Napa Napa range, along Napa-Monticello road. Comment
  UCD120234  Nemophila menziesii Michael A. Vincent; Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80. Comment
  UCR267439  Nemophila menziesii Stephen P. Rae, Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, c. 1 km west of Anguin; McCrane property 526 Comment
  HSC13592  Nemophila menziesii Greg Bos 1963-3-30 62 Napa 27 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  UC1031220  Nemophila menziesii Rolf Y. Berg 1954-4-8 Napa Highway 128 two mi s of e Monticello; s of e of Monticello Comment
  UCR12042  Nemophila menziesii var. atomaria Coleta A. Lawler 1970-1 253 Napa North Coast Range, Chiles-Pope Road, 3.3 mi. south of Pope Valley 198 Comment
  UC1237966  Nemophila menziesii var. atomaria John H. Weiler 1961-2-17 617 Napa 2.6 mi s Napa State Hospital (in a pasture beside State Highway 12); s of Napa State Hospital Comment
  POM263485  Nemophila menziesii var. menziesii J. C. Roos 1939-3-31 308 Napa Angwin. Howell Mtns. Comment
  JEPS12278  Nicotiana acuminata var. multiflora W. L. Jepson 1939-9-11 19475 Napa near St. Helena (flats near Napa River) Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  UCD19932  Nicotiana quadrivalvis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 790 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  JEPS12388  Nicotiana quadrivalvis Willis L. Jepson Nov 26 1895-Nov 27 1895 21247 Napa White Sulphur Springs; Napa Valley, Napa River Basin Comment
  JEPS110671  Nuttallanthus texanus Jake Ruygt 1992-4-10 2902 Napa SW of Leoma Lakes, Wild Horse Valley Ranch 426 Comment
  UCD73443  Nuttallanthus texanus Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UC672086  Odontostomum hartwegii Herbert L. Mason 1934-4-30 8102 Napa w. side near summit Wooden Valley Grade Comment
  UC723786  Odontostomum hartwegii Joseph Andorfer Ewan 1934-4-30 8811 Napa Sarco Creek 4 mi. above Napa; Sarco Creek Comment
  CAS-BOT-BC140166  Oemleria cerasiformis Alice Eastwood 1922-5-5 11294 Napa Mt. St. Helena Comment
  JEPS110557  Oemleria cerasiformis Jake Ruygt 1987-3-14 1926 Napa Conn Valley Rd. (near PG&E and transform er) 109 Comment
  UCD83860  Olea europaea Ellen Dean; Stephen Rae 2010-3-15 5818 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCR23341  Onychium densum John C. Roos 1938-12-10 286 Napa North Coast Range, Blake's Canyon, Pacific Union College, Angwin Comment
  JEPS110569  Orobanche bulbosa Jake Ruygt 1986-6-14 1824 Napa Craters; canyon at head of Table Rock 707 Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  JEPS120331  Orobanche uniflora Jake Ruygt 2005-5-11 4830 Napa Cub Valley, south of Bear Valley. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC243695  Orobanche valida subsp. howellii John Thomas Howell 1926-10-3 2203 Napa Mt. St. Helena 1219 Comment
  RSA202261  Orthocarpus densiflorus L. D. Thurman 1964-4-15 396 Napa Silverado trail 5 mi N of Napa. Comment
  JEPS15890  Osmorhiza berteroi John Benson 1887-1-1 Napa Comment
  CAS-BOT-BC316825  Packera clevelandii Joseph Prince Tracy 2221 Napa Howell Mtn. Head od Moore's Creek, 3-4 miles east of Angwin's. 365 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
  HSC38131  Packera eurycephala Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi. E of Lake Co. line Comment
  JEPS17410  Packera eurycephala var. eurycephala W. L. Jepson 1938-6-11 19009 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  CAS-BOT-BC316937  Packera greenei R. C. Bacigalupi; R. S. Ferris; I. L. Wiggins 1933-6-2 6683 Napa Butt's Canyon, 10 mi. N of Howell, Mtn. Comment
  OBI15493  Packera greenei Robert F. Hoover 1966-5-28 9878 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  JEPS23636  Packera greenei R. H. Platt 1915-5-1 Napa Capell Canyon Napa Mts. Comment
  SEINET11807295  Packera greenei F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -330 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UC187240  Panicum acuminatum var. acuminatum Joseph P. Tracy 1905-7-8 2234 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  SEINET242421 Image available Panicum capillare Beecher Crampton 1968-10-1 8386 Napa UC Ca. 3 miles N of Moskowite Corner on Hwy. 128. Comment
  UCD18370  Parentucellia viscosa R. Wenk 2000-5-14 8 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UC1245369  Parvisedum pumilum Joseph P. Tracy 1950-5-23 18657 Napa near Angwin Creek (Howell Mountain); Howell Mountain 457 Comment
  UC11240  Parvisedum pumilum Willis L. Jepson 1893-4-28 Napa near Napa City (Napa River Basin); Napa River Basin Comment
  UC55915  Pectocarya pusilla J. P. Tracy 1902-5-21 1603 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 457 Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  UCR20384  Pedicularis densiflora D. V. Hemphill, J. C. Roos 1949-4-16 4289 Napa North Coast Range, Pacific Union College, Howell Mountain 499 Comment
  RSA654127  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UCD123323  Pedicularis densiflora David Lawfer 1952-4-20 146 Napa 5 miles northeast of Napa. Comment
  CAS-BOT-BC69211  Pellaea andromedifolia John Thomas Howell 1926-3-21 1736 Napa Old toll road to Mt. St. Helena Comment
  UCD162089  Pellaea mucronata Dylan O. Burge 2014-3-15 1486 Napa Mount Saint Helena. 850 Comment
  JEPS129056  Pellaea mucronata var. mucronata Jake Ruygt 2016-12-3 6298 Napa Butts Canyon southwest of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UCR219835  Pellaea mucronata var. mucronata Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  HSC43907  Penstemon heterophyllus Robert M. Specht 1977-5-14 894 Napa At junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  UCD40894  Penstemon heterophyllus Katherine Countrey 1983-5-29 20 Napa On Berryessa-Knoxville Rd. 3 miles northwest of Knoxville. 304 Comment
  POM182638  Penstemon heterophyllus subsp. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  UC397392  Penstemon heterophyllus var. purdyi Katharine Brandegee 1910-7-27 Napa Angwin's Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  JEPS101496  Penstemon newberryi var. sonomensis Dean W. Taylor 1998-6-3 16465 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 594 Comment
  CAS-BOT-BC245717  Penstemon newberryi var. sonomensis H. E. McMinn 1922-3-27 52 Napa From fop of Mt. St. Helena Comment
  SEINET11198823  Penstemon venustus J. A. Ewan 1934-6-30 8846 Napa 5 mi S of Monticello on Steel Canyon rd. Comment
  UCD121186  Pentagramma triangularis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7362 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  CAS-BOT-BC71676  Pentagramma triangularis subsp. triangularis Peter H. Raven 1953-2-21 5193 Napa Wooden Valley Grade 274 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
  UCD48370  Pentagramma triangularis subsp. triangularis C. Matthews; K. Glover, C. Little, T. Petrie 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. South side of Decker Bay Trail; 250' W of junction with West Road. 152 Comment
  JEPS104484  Perideridia kelloggii Jake Ruygt 1979-6-18 713 Napa .5 mile east of Spanish Valley trail on Snell Valley Rd. 170 Comment
  UC126553  Perideridia kelloggii Harley P. Chandler Sep 7 1906-Sep 14 1906 7102 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS12448  Perideridia kelloggii Willis L. Jepson 1893-9-24 14218 Napa Howell Mt. Napa River Basin Comment
  JEPS12398  Perideridia oregana W. L. Jepson 1894-10-13 14808 Napa Upper Conn Valley Napa Range Comment
  JEPS129109  Perideridia oregana Jake Ruygt 2015-6-13 6128 Napa Fernandes - Snell Peak, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD149604  Persicaria lapathifolia 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
  SBBG128015  Persicaria punctata L. Ahart 2009-10-12 16449 Napa Capell Crk NE of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi W of Winters 133 Comment
  UC131126  Phacelia egena Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  RSA10669  Phacelia egena Carl B. Wolf 1928-5-3 1820 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS110864  Phacelia imbricata subsp. imbricata Jake Ruygt 1990-3-10 2445 Napa White Sulphur Springs Rd.; west end 259 Comment
  UCD169610  Phacelia imbricata subsp. imbricata 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
  UCD166688  Phacelia tanacetifolia Jake Ruygt 1998-5-20 3987 Napa Blue Ridge, +/- 1.5 miles north of Mays Flat. 685 Comment
  UC187259  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCR49791  Phalaris aquatica J. Nevin 1987-5-22 34 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  POM261554  Phalaris californica J. T. Howell 1940-5-19 15444 Napa Near Calistoga Comment
  CAS-BOT-BC250694  Phalaris paradoxa Peter H. Raven 1951-6-26 3100 Napa 4 mi. n. Vallejo, nr. Solano Co. line 30 Comment
  SACT001723  Phalaris paradoxa M. Wiesendanger 1927-5-4 Napa Comment
  JEPS71089  Phlox gracilis W. L. Jepson 1893-5-2 15050 Napa e of Calistoga; Pope Valley Grade Comment
  UCD48242  Phoradendron bolleanum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 6 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  RSA654885  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2 miles SW along Knoxville-Devilhead Road from Knoxville-Berryessa Road. 518 Comment
  UC639128  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
  UCD48243  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC McLaughlin Nature Reserve. 650 Comment
  JEPS129051  Phoradendron serotinum subsp. tomentosum Jake Ruygt 2016-7-2 6290 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. 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
  CDA34680  Physalis lancifolia L. Ahart 2009-10-27 16500 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  JEPS110922  Physalis philadelphica Jake Ruygt 1969-12-31 418 Napa Napa River south of Trancas St., Napa 3 Comment
  UC466696  Physocarpus capitatus H. P. Chandler 1907-5-12 7565 Napa White Sulphur Spring St. Helena Comment
  CDA12114  Pickeringia montana G. F. Hrusa 1989-5-2 7185 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  RSA412034  Pickeringia montana var. montana Bonnie C. Templeton 1957-6-27 76 H371B Napa About 3 miles up Trinity Road near the junction to Oakville. Comment
  UCD117788  Pickeringia montana var. montana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, south of undeveloped road. 391 Comment
  CDA7596  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  JEPS103973  Pilularia americana Jake Ruygt 1990-4-23 2504 Napa Wild Horse Valley Ranch at vernal pool 472 Comment
  CAS-BOT-BC73328  Pinus attenuata C. B. Wolf 1928-2-25 1501 Napa Mt. St. Helena grade 2 miles N. of summit. Comment
  CAS-BOT-BC73373  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa Along forest road about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  JEPS103997  Pinus attenuata Jake Ruygt 1978-3-19 249 Napa Mt. St. Helena 914 Comment
  SEINET267027  Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  SEINET3221128 Image available Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS46897  Pinus sabiniana W. L. Jepson 1901-8-1 Napa St. Helena Comment
  UCD74369  Plagiobothrys bracteatus Jake Ruygt 2000-5-17 4254 b Napa di Rosa Preserve, Hwy. 12, northwest of Duhig Rd. 79 Comment
  UCD120817  Plagiobothrys canescens M. Wiesendanger 1927-5-4 675 Napa Near Monticello. Comment
  JEPS106768  Plagiobothrys greenei Jake Ruygt 1986-4-5 1683 Napa Suscol ridge east of HWY 221 231 Comment
  UCD161234  Plagiobothrys greenei Jake Ruygt 2003-4-22 4508 Napa Near south end of Knoxville Wildlife Area, base of trail to cliffs. (Coordinates estimated by label maker at UC Davis). 292 Comment
  POM182736  Plagiobothrys nothofulvus D. D. Keck 1931-4-2 1049 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UC725968  Plagiobothrys nothofulvus A. A. Heller 1929-3-16 14820 Napa grade near foot of Mt. St. Helena Comment
  UCD74376  Plagiobothrys nothofulvus Jake Ruygt 1983-3-26 1393 Napa 0.5 mile south of Sage Canyon Rd. on Silverado Trail. 76 Comment
  UCR140420  Plagiobothrys stipitatus var. stipitatus Beecher Crampton 1955-4-7 2447 Napa Inner North Coast Ranges, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville 488 Comment
  CAS-BOT-BC228496  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  JEPS24592  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Napa Valley, Calistoga Hot Springs Comment
  JEPS68151  Plagiobothrys tenellus Willis L. Jepson 1893-4-28 21159 Napa plateau n Mt. George; Napa River Basin, Napa Range Comment
  POM63831  Plagiobothrys tenellus C. F. Baker 1903-4-20 2624 Napa Mt. St. Helena. Comment
  JEPS110789  Plantago coronopus Jake Ruygt 1993-5-11 3260 Napa Milton Road north of the railroad tracks 0 Comment
  JEPS110785  Plantago erecta Jake Ruygt 1982-4-3 1159 Napa .2 mile north of Loma Vista Rd. on Soda Canyon Rd. 73 Comment
  JEPS110786  Plantago erecta Jake Ruygt 1986-3-6 1633 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 146 Comment
  UCD124445  Plantago erecta Alva Day 1965-5-15 65- 132 Napa Cedar Valley, west of Lake Berryessa. Comment
  UCD168560  Plantago erecta 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
  UCD68116  Plantago erecta Hilary Jane Ernst 1981-5-2 25 Napa 2.8 miles Northwest on Highway 128 from Moskowite Corners, to left of road, up trail. In a chaparral plant association, dominated by Pinus sabiniana, on a 10 degree slope. 243 Comment
  POM195580  Plantago erecta H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  UCD15028  Plantago erecta Gail Matson 1977-4-16 13 Napa 6.4 miles SW of Monticello Dam on highway 128. 213 Comment
  UCD15037  Plantago hookeriana Lorraine Clarke 1977-4-16 14 Napa California, Napa Co.; along Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam; Comment
  UCD170431  Plantago lanceolata Daniel Potter; Daniel McNair 2016-4-23 923 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  JEPS51615  Platystemon californicus W. L. Jepson 1923-4-29 9894 Napa St. Helena 91 Comment
  UCD96055  Platystemon californicus G. E. Johnston 1974-4-4 6115 Napa near Bell Canyon, Angwin. 426 Comment
  CAS-BOT-BC91874  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa Between Calistoga and Petrified Forest. Comment
  UCD96076  Platystemon californicus R. L. Smith 1948-5-1 s.n. Napa east branch of Monticello Valley, 3 miles east of Samuel Springs. Comment
  RSA264959  Platystemon californicus var. californicus George E. Johnston 1974-4-4 6115 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  UC1018911  Plectritis brachystemon S. C. Dyal, E. Crum, A. Carter 1938-4-24 717 Napa near Monticello Comment
  UC917296  Plectritis ciliosa subsp. ciliosa J. D. Skoss 1948-4-1 1 Napa 14 mi w of Winters (Putah Canyon); Putah Canyon Comment
  UC999844  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 635 Napa near Monticello Comment
  RSA261550  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Montcello Dam, off State Hwy 128. Comment
  RSA298944  Plectritis congesta subsp. nitida R. Kuhn 1912-5-19 s.n. Napa Oakville. Comment
  JEPS14270  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 B Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  JEPS122930  Pleuropogon californicus Jake Ruygt 1979-4-19 523 Napa Suscol Hill, (east of Highway 221). Quad: Cuttings Wharf. Comment
  UC1145108  Pleuropogon californicus Joseph P. Tracy 1938-6-6 15844 Napa between Napa City and Yountville Napa City; Napa Valley 30 Comment
  UC936193  Pleuropogon californicus H. L. Mason 1931-4-12 5833 Napa grounds s of Napa State Hospital Comment
  SEINET209300 Image available Pleuropogon californicus var. californicus J. T. Howell 1967-5-18 42245 Napa Roadside hollow at the 'big geysers' north of Calistoga. Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 Comment
  CAS-BOT-BC246687  Poa howellii Peter H. Raven 1950-4-15 1735 Napa Wooden Valley Grade above Napa 274 Comment
  UCD36940  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  JEPS122929  Poa napensis Jake Ruygt 1996-4-11 3596 Napa Calistoga Airport. Quad: Calistoga. Comment
  SBBG115661  Poa napensis B. Crampton 1955-5-9 2750 Napa ca. 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  UC1112207  Poa napensis Peter H. Raven 1957-5-5 10737 Napa field near hot springs at airport Calistoga Comment
  UC1254608  Poa napensis Beecher Crampton 1967-5-15 7938 Napa 2 mi. n. Calistoga (Myrtledale Hot Springs); Myrtledale Hot Springs Comment
  UCD91552  Poa napensis Beecher Crampton 1965-5-13 7338 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area. Comment
  UCD91553  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Calistoga. Near the hot springs at the airport. Comment
  JEPS122926  Poa pratensis subsp. pratensis Jake Ruygt 1990-5-6 2531 b Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  CDA11432  Poa secunda G. F. Hrusa, M. Tu 1995-5-6 12155 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  RSA10120  Poa secunda Joseph P. Tracy 1933-4-30 12118 Napa Near Angwin Creek on Howell Mountain 457 Comment
  UCD18140  Poa secunda Jean Shepard; with PLB 102 class 2000-4-29 195 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
  UC525664  Poa secunda subsp. secunda Joseph P. Tracy 1933-4-30 12118 Napa near Angwin Creek Howell Mt 457 Comment
  UCD90836  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7332 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  RSA83437  Pogogyne douglasii J. T. Howell 1929-5-30 4278 Napa 3 miles from Pope Valley Store on road to Pope Creek Canyon, Napa Range Comment
  UC1988913  Pogogyne douglasii John Thomas Howell 1929-8-4 4870 Napa three miles from Pope Valley Store on road to Pope Creek Canyon. Same locality as No. 4278 Comment
  JEPS21828  Polycarpon tetraphyllum Margaret Whitmore 1958-5-17 73 Napa Napa; 1441 Pine St. 15 Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  RSA195299  Polygala californica Gilbert Muth 1967-5-17 678 Napa Oat Hill Road, Calistoga 244 Comment
  UCD160732  Polygala californica Ellen Dean 2015-5-23 8784 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  RSA114988  Polygala californica E. K. Balls, Lee W. Lenz 1955-5-17 20764 Napa 7.6 miles south of Lake-Napa county line along State Highway 20, Middletown to Calistoga 442 Comment
  SEINET5744520 Image available Polygala californica Timothy P. King 1973-1 115 Napa E side of State Hwy 121, 9.6 miles from its junction with State Hwy 128, W side of Lake Berryessa.; Lake Berryessa Comment
  JEPS110850  Polygonum arenastrum Jake Ruygt 1989-7-18 2400 Napa Willis Drive, Napa 15 Comment
  CAS-BOT-BC109160  Polygonum bolanderi Alice Eastwood 1915-6-6 4683 Napa Mount Saint Helena. Comment
  CAS-BOT-BC109162  Polygonum bolanderi Wilhelm Nikolaus Suksdorf 1913-7-30 748 Napa Northwest of Napa. Comment
  UC6670  Polygonum bolanderi Brewer 1861-11-11 854 Napa Napa Valley Comment
  UC77395  Polygonum bolanderi Edward Lee Greene 1883-1 Napa Napa Valley Comment
  CAS-BOT-BC414385  Polygonum californicum Mrs. H. P. Bracelin 1930-10-19 118 Napa About 1 mi. S. of Etna [Aetna] Springs Comment
  UC6676  Polygonum californicum Brewer 856 Napa Napa Hills Comment
  JEPS112594  Polygonum lapathifolium Jake Ruygt 1991-8-24 2832 Napa Napa River at Bale Lane 80 Comment
  JEPS115738  Polygonum lapathifolium Lowell Ahart 2009-10-12 16447 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  UC1562673  Polygonum lapathifolium Barbara Ertter with Elizabeth Neese 1988-10-2 7962 Napa e boat-luanching ramp on SE edge of lake (ca 15 air mi nnw of Napa); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  UC1198080  Polygonum lapathifolium Joseph P. Tracy 1905-7-3 2204 Napa near Calistoga; Northern Coast Ranges, Napa Valley Comment
  JEPS120370  Polygonum majus Jake Ruygt 1986-6-14 1812 Napa Mt. Millhouse Camp, Mt. Saint Helena. Detert Reservoir 7.5' Quad. Comment
  UC1198090  Polygonum parryi Joseph P. Tracy 1933-6-2 12457 Napa La Jota Plateau Howell Mountain (hills at head of Moore's Creek, 5 mi e of Angwin's) 518 Comment
  UC1245373  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau Northern Coast Ranges, Howell Mountain (on hills at head of Moore's Creek, 3-4 mi e of Angwin's) 518 Comment
  CHSC103008  Polygonum persicaria Lowell Ahart 2009-10-12 16448 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC420987  Polygonum spergulariiforme Betty H. Johnson 1958-6-15 615 Napa Near St. Helena River [Creek], 6.4 mi. S-W of Middletown Comment
  CAS-BOT-BC72053  Polypodium calirhiza Betty H. Johnson 1958-6-20 276 Napa above old toll road ca. 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  JEPS79513  Polypodium calirhiza Edward Lee with Annetta Carter 1935-12-1 1672 Napa rd. from Napa to Wooden Valley (Sarco Creek); Howell Mts. Comment
  CHSC102291  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 Winters. 133 Comment
  UCD91281  Polypogon monspeliensis Beecher Crampton 1956-5-25 3467 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS103976  Polystichum californicum Jake Ruygt 1979-7-28 773 Napa 2.1 miles NW of Madrona on Spring Mountain Road 207 Comment
  CDA42356  Polystichum californicum D. G. Kelch 2012-7-14 12 .222-B Napa Bothe-Napa State Park. 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
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  CHSC102296  Portulaca oleracea Lowell Ahart 2009-10-12 16472 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD73521  Potamogeton nodosus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD96185  Prunus cerasifera Ellen Dean; with Clare Loughran 2011-5-20 7071 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
  JEPS110566  Prunus ilicifolia subsp. ilicifolia Jake Ruygt 1979-5-3 573 Napa Cup and Saucer 121 Comment
  JEPS44925  Prunus virginiana var. demissa W. L. Jepson 1897-4-30 13841 Napa sw of Calistoga (Upper Napa Valley, Rebecca Ranch grade); Hoods Peak Range, Upper Napa Valley, Rebecca Ranch grade Comment
  UC1128467  Prunus virginiana var. demissa B. Schreiber 1936-5-3 2205 Napa .3 mi wsw of Petrified Forest 274 Comment
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Jun 12 2012
  UC12726  Prunus virginiana var. demissa Willis L. Jepson 1894-4-30 Napa Napa River Basin, Rebecca Ranch grade Rebecca Ranch grade; Napa River Basin, Rebecca Ranch grade Comment
  UC608410  Prunus virginiana var. demissa Beryl O. Schreiber 1936-3-5 2205 Napa 0.3 mi WSW of Petrified Forest Comment
  UCD113521  Prunus virginiana var. demissa Beecher Crampton 1960-5-17 5537 Napa 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  UCD73442  Pseudognaphalium californicum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS20447  Pseudognaphalium californicum Willis L. Jepson 1893-6-24 14741 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  CAS-BOT-BC356981  Pseudognaphalium luteoalbum Peter H. Raven 1952-5-31 4161 Napa Flood plain of Rector Creek 121 Comment
  JEPS106961  Pseudognaphalium stramineum Jake Ruygt 1991-8-4 2811 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 131 Comment
  JEPS106963  Pseudognaphalium stramineum Jake Ruygt 1996-3-30 3544 Napa Jameson Vineyards, South Kelly Road. 91 Comment
  JEPS48289  Pseudotsuga menziesii var. menziesii W. L. Jepson 1903-9-7 2356 Napa hills w of St. Helena (York Canon Road); , York Creek Canon 548 Comment
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Oct 2 2012
  UC650501  Pseudotsuga menziesii var. menziesii Ira L. Wiggins 1928-3-24 2863 Napa grade on old road to Lake Co., above Calistoga Comment
  UCD147467  Psilocarphus brevissimus Ellen Dean; Diana Hickson 2014-4-29 8080 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UC1245374  Psilocarphus oregonus Joseph P. Tracy 1950-5-23 18666 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at the head of Moores Creek); Northern Coast Ranges, Howell Mountain 518 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
  UCD63154  Psilocarphus tenellus var. tenellus Jake Ruygt 1991-5-6 2649 Napa Wantrup Preserve, Pope Valley. 195 Comment
  JEPS110781  Pterostegia drymarioides Jake Ruygt 1994-3-15 3319 Napa Chiles Canyon Road about 1 mile from Chiles Valley 457 Comment
  POM182705  Pterostegia drymarioides D. D. Keck 1931-4-2 1024 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  CAS-BOT-BC460819  Pyrola aphylla Elizabeth Wright 1921-6-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC460820  Pyrola aphylla H. D. Ripley; R. C. Barneby 1945-6-21 6936 Napa South of Pope Valley 579 Comment
  UC1199437  Pyrrocoma racemosa var. racemosa Joseph P. Tracy 1939-10-14 16508 Napa Myrtledale Hot Springs Calistoga 121 Comment
  UCD102777  Quercus X morehus Daniel Sanchez-Mata; M. G. Barbour and M. P. Rodriguez-Rojo 2002-5-4 s.n. Napa Lake Berryessa. Monticello Dam-Moskowite Corner. 280 Comment
  CLARK-A1528-2905  Quercus X morehus John C. Roos 1939-4-16 259 Napa Angwin Comment
  CAS-BOT-BC61808  Quercus agrifolia John Thomas Howell 1930-10-19 5617 Napa Canyon bottom, 3 miles from Aetna Springs on Butts canyon road to Middletown Comment
  JEPS37369  Quercus agrifolia W. L. Jepson 1907-12-1 2975 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37371  Quercus agrifolia W. L. Jepson 1907-12-1 2973 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37715  Quercus agrifolia W. L. Jepson 1901-11-17 1753 Napa near St. Helena; Napa River Basin Comment
  SD125384  Quercus agrifolia William C. Overton 1980-7-13 Napa Along south bank of Eticuera Creek, 1.5 miles north of Lake Berryessa. 177 Comment
  UCD149628  Quercus agrifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD45016  Quercus agrifolia Willis L. Jepson 1901-11-17 1754 Napa Near St. Helena, Nov. 17, 1901 Comment
  UCD45339  Quercus agrifolia J. M. Tucker 1954-9-23 2757 Napa Beside Highway 37, 6.5 miles (by road) south of junction with Highway 28, in Napa County, California. Comment
  JEPS116531  Quercus berberidifolia Jake Ruygt 1999-5-1 4144 Napa Blue Ridge above Goslin(g) Canyon. Lake Berryessa 7.5' Quad. Comment
  JEPS116543  Quercus berberidifolia Jake Ruygt 1990-4-7 2460 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  SFV878  Quercus berberidifolia M. Shaw 1963-5-13 s. n. Napa North Coast Ranges Vaca Mountains. Below CA-Highway 128, 4 miles west of Monticello Dam. 120 Comment
  UCD14830  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -3 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45215  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 38 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  UCSB58649  Quercus berberidifolia Morley, Thomas 1941-5-11 Napa west bank of Putah Creek immediately above junction with Butts Creek 140 Comment
  SEINET12034303  Quercus chrysolepis Unknown 1942-1 s.n. Napa Calistoqo Comment
  CAS-BOT-BC85935  Quercus douglasii H. E. McMinn 196 Napa Canyon thru which Pope Creek runs to Putah Creek Comment
  JEPS116541  Quercus douglasii Jake Ruygt 1996-5-4 3644 Napa Butts Canyon Road at James Creek Road; field to SE. Aetna Springs 7.5' Quad. 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
  UC993143  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
  UCD14551  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -12 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD45676  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa. Comment
  RSA602571  Quercus dumosa Louis C. Wheeler 1952-8-30 6875 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  CAS-BOT-BC79848  Quercus durata R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6680 Napa Butts Canyon, 10 mi N of Howell Mt. Comment
  CDA21880  Quercus durata T. Kono 1968-3-1 Napa Highway 128, 12.9 miles east of Rutherford. 0 Comment
  CHSC85477  Quercus durata G. F. Hrusa; G. L. Stebbins 1994-3-11 11602 Napa On Ink Grade approx. 2 miles N of Angwin. 520 Comment
  JEPS37346  Quercus durata W. L. Jepson 1895-11-25 Napa La Jota Plateau Howell Mt. Comment
  RSA39635  Quercus durata P. A. Munz 1947-10-10 12214 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  UCD14806  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -4 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14846  Quercus durata John M. Tucker 1950-11-12 2014 -24 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD18113  Quercus durata K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 52 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UCD20648  Quercus durata R. J. Blenkush; J. H. Richards 2000-1-29 42 Napa McLaughlin Reserve. 1/4 mile south of intersection of Berryessa-Knoxville Road with Devilhead Road. 487 Comment
  UCD45972  Quercus durata D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Serpentine chaparral in Capell Creek. 250 Comment
  UCD45980  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  UCR43184  Quercus durata L. F. LaPre 1985-5-3 s.n. Napa Inner North Coast Ranges, Livermore Road between hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake county line, south of Three Peaks. 671 Comment
  UCD45917  Quercus durata var. durata D. Q. Cavagnaro 1963-10-18 226 Napa 5.5 miles west of Moskwite Corners, Napa County, California. Elevation 100 feet. 30 Comment
  UCD48034  Quercus durata var. durata S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 16 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 531 Comment
  UCD54026  Quercus durata var. durata R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 5 Napa McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  JEPS116533  Quercus durata var. durata Jake Ruygt 1992-9-24 3155 y Napa Chiles Canyon near Chiles-Pope Valley Road. Comment
  UC519301  Quercus garryana Joseph P. Tracy 1933-6-2 12470 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 457 Comment
  UCD46115  Quercus garryana var. garryana John M. Tucker 1952-9-20 2626 Napa California, Napa Co.; road up Mt. St. Helena (Highway 29) 5.2 mi (by road) north of Calistoga. Comment
  CAS-BOT-BC105300  Quercus kelloggii Alice Eastwood 1922-5-14 11314 Napa Mt. St. Helena Comment
  CAS-BOT-BC105302  Quercus kelloggii Elsa G. Ruckert 1960-4-2 59 Napa 6495 Dry Creek Road, woods SW of house 300 yards 365 Comment
  JEPS37761  Quercus kelloggii Willis L. Jepson 1901-8-6 1719 Napa St. Helena Napa River Basin Comment
  JEPS37763  Quercus kelloggii Willis L. Jepson 1900-3-8 505 Napa St. Helena Napa River Basin Comment
  LA205302  Quercus kelloggii J. A. Ewan; 1933-9-17 8012 Napa trail above Mt St. Helena Inn Comment
  UC1135676  Quercus kelloggii A. Lewis 1932-5-24 109 Napa 1 mi W of head of Wragg 457 Comment
  UCD45331  Quercus kelloggii 1965-6-26 s.n. Napa La Jolla quicksilver mine, north slope of Mt. St. John, 7 miles northwest of Oakville, Napa County, California. Comment
  CAS-BOT-BC62879  Quercus lobata Peter H. Raven 1952-5-31 4148 Napa Summit of hills sw of Rector Canyon 304 Comment
  CAS-BOT-BC62880  Quercus lobata John Thomas Howell 1930-10-19 5608 Napa Pope Valley School, Pope valley Comment
  JEPS116539  Quercus lobata Jake Ruygt 1988-5-1 2164 Napa Aetna Springs Road near resort. Aetna Springs 7.5' Quad. Comment
  JEPS37355  Quercus lobata Willis L. Jepson 1901-11-17 1751 Napa St. Helena Napa River Basin Comment
Read comments
Jul 28 2008
  UCD47485  Quercus wislizeni John M. Tucker 1953-10-23 2689 Napa Roadside, east side of Highway 37, 0.5 mile south of junction with Highway 28, Steel Canyon, Napa County, California. Comment
  RSA10629  Quercus wislizeni var. frutescens Carl B. Wolf 1928-5-4 1862 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC362431  Rafinesquia californica Peter H. Raven 1951-5-20 2853 Napa Hills w. Oakville 548 Comment
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 Comment
  JEPS106869  Rafinesquia californica Jake Ruygt 1989-5-20 2335 Napa About .5 miles south of Monticello Dam on Vaca Mtns. Monticello Dam 7.5' Quad. 822 Comment
  UCD144652  Rafinesquia californica Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD159906  Rafinesquia californica Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section, near Q58. 243 Comment
  UCD167153  Ranunculus aquatilis var. diffusus Jake Ruygt 2015-5-13 6100 Napa East of Zim- Zim Creek parking lot. 348 Comment
  CAS-BOT-BC379141  Ranunculus aquatilis var. diffusus Peter H. Raven 1951-5-6 2812 Napa Conn Creek 2.5 mi from Rutherford to Dam 49 Comment
  JEPS110888  Ranunculus californicus Jake Ruygt 1982-2-11 1095 Napa Suscol plain near Kaiser Steel (Rocktram 4 Comment
  UCR47044  Ranunculus californicus J. Nevin 1987-4-12 05 Napa Coast Range, Napa. East end of Brown's Valley, 1 mi on Buhman Ave. from Brown's Valley Road 61 Comment
  JEPS54960  Ranunculus californicus W. L. Jepson 1893-4-25 Napa summits w St. Helena Comment
  UCD118564  Ranunculus muricatus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road, growing at the bottom of dry ditch. 519 Comment
  UCD15590  Ranunculus muricatus J. A. Johnston 1995-5-7 3 Napa Hwy 128, approx. 1 mile west of Markley Cove on Lake Berryessa. 700 Comment
  JEPS55165  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  JEPS77945  Ranunculus occidentalis Edward Lee 1936-3-15 1811 Napa Rutherford-Pope Valley road 10.7 mi out of Rutherford Comment
  SEINET7072527  Ranunculus occidentalis A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  UCD168562  Ranunculus occidentalis Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD96774  Ranunculus occidentalis D. C. Finfrock 1950-4-2 15 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCD96925  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  POM264976  Ranunculus occidentalis var. eisenii I. L. Wiggins 1928-3-24 2862 Napa Grade on old road to Lake Co. above Calistoga. Comment
  SEINET5718622 Image available Ranunculus occidentalis var. occidentalis Gary W. Elmstrom 1965-1 5 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley.; Pope Valley 274 Comment
  UC162832  Ranunculus orthorhynchus var. bloomeri Joseph P. Tracy 1903-5-15 1846 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  POM149990  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga. Comment
  CDA24360  Ranunculus uncinatus T. C. Fuller 1958-5-1 3716 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  UCD115232  Raphanus sativus M. R. Wanzer 1948-5-6 13 Napa Putah Canyon, 8.5 miles west of Winters. Comment
  UC2013271  Reseda luteola David Keil with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. Comment
  CDA42397  Rhagadiolus stellatus R. Robison 2014-4-21 s.n. Napa Bale Gristmill State Historic Park. 0 Comment
  JEPS106865  Rhagadiolus stellatus Jake Ruygt 1989-4-29 2297 Napa Napa River north of Trancas St.,Napa 3 Comment
  CAS-BOT-BC362896  Rhagadiolus stellatus Ida DeMay Wilson 1959-4-5 s.n. Napa Dry Creek Road Comment
  SEINET12211102  Rhamnus californica subsp. tomentella F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -316 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek to Berryessa Estates 250 Comment
  JEPS41998  Rhamnus crocea Willis L. Jepson 1893-5-2 13971 Napa e of Calistoga (Pope Valley grade from Calistoga); Napa River Basin Comment
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD18009  Rhamnus ilicifolia Ellen Dean; with Plant Biology 102 class 2001-4-28 741 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, near Lake Berryessa inlet, ca. 30 feet up from water level, south side of trail. 243 Comment
  CAS-BOT-BC199721  Rhododendron occidentale H. E. McMinn 390 Napa About 6 mi. above Aetna Springs Comment
  CAS-BOT-BC199723  Rhododendron occidentale H. E. McMinn 297 Napa About 6 mi. above Aetna Comment
  HSC43983  Rhododendron occidentale Robert M. Specht 1977-4-14 665 Napa N of Adams Creek 561 Comment
  UCD20689  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 1 a and b Napa Napa County, NW side of Butts Canyon Road/ Shell Valley Road, Napa 00.25 marker, SE side of Butts Creek, 10-15' from water, submerged to 1.5' at flood levels. Comment
  UCD20765  Rhododendron occidentale M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 115 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. Along Hunting Creek 100 yards upstream of junction with Sensitive Plant Canyon. 624 Comment
  CDA38892  Rhododendron occidentale A. T. Leiser 1984-9-23 s.n. Napa Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., Northeast side of road, south bank, 50' southeast of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. 0 Comment
  SEINET6165491 Image available Rhododendron occidentale Unknown 1981-5-18 s.n. Napa 9.9 mi S of middleton, down Butts Canyon Rd. Comment
  RSA52661  Rhododendron occidentale var. californicum I. L. Wiggins 1949-4-30 12093 Napa On northeastern slope of Mount St. Helena, near lake county line Comment
  CAS-BOT-BC200042  Rhododendron occidentale var. occidentale H. E. McMinn 1922-6-8 169 Napa Near summit of Howell Mt. Comment
  CAS-BOT-BC200647  Rhus aromatica John Thomas Howell 1929-5-30 4266 Napa Bank of Pope Valley Creek, 4 miles east of Samuels Springs, Napa Range Comment
  CAS-BOT-BC200718  Rhus aromatica Frank A. Leach 1926-6-26 s.n. Napa Aetna Springs Comment
  JEPS129173  Rhus aromatica Jake Ruygt 2016-3-14 6043 Napa Sutro Ranch, west side of Atlas Peak. Yountville 7.5' Quad. Comment
  OBI20447  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pojse Creek Canyon Comment
  UCD14945  Rhus diversiloba Fumi Takeda 1977-4-16 10 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam in Scagg Canyon; Comment
  JEPS49319  Ribes californicum Willis L. Jepson 1893-5-2 13511 Napa Mts. e Calistoga (Pope Valley grade) Comment
  UC11499  Ribes californicum Willis L. Jepson 1893-5-2 Napa near Palisades; Napa River Basin, New Pope Valley grade Comment
  CAS-BOT-BC92979  Ribes californicum var. californicum Peter H. Raven 1953-2-21 5196 Napa Steel Canyon. 213 Comment
  CAS-BOT-BC168938  Ribes malvaceum Peter H. Raven 1953-2-21 5195 Napa Steel Canyon 213 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
  RSA0021659  Ribes malvaceum J. T. Howell 1931-4-2 6069 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  CAS-BOT-BC205998  Ribes menziesii Elsa G. Ruckert 1960-3-13 24 Napa Private road behind east of house, 6495 Dry Creek Road 365 Comment
  HSC20331  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Near Mt. St. Helena Inn, at summit of Mt. St. Helena grade Comment
  JEPS49466  Ribes roezlii var. cruentum Willis L. Jepson 1893-5-5 13523 Napa below Toll-House (Middleton grade); Napa River Basin, Mt. St. Helena Comment
  JEPS49306  Ribes victoris Willis L. Jepson 1893-5-9 13499 Napa Niebaum's Dam St. Helena Comment
  UCD167010  Ribes victoris Jake Ruygt 1980-5-4 874 Napa Van Ness Canyon. 609 Comment
  JEPS106863  Rigiopappus leptocladus Jake Ruygt 1982-5-19 1284 Napa 1.8 miles south of Pope Canyon Rd.on Ber ryessa-Knoxville Road 207 Comment
  UCD118624  Rigiopappus leptocladus Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  JEPS34846  Rigiopappus leptocladus W. L. Jepson 1896-6-2 Napa Napa Valley Comment
  CAS-BOT-BC340993  Robinia pseudoacacia Alice Eastwood 1915-6-5 s.n. Napa Calistoga Comment
  UCD81446  Rorippa curvisiliqua M. Wiesendanger 1927-5-4 668 Napa Near Monticello. Comment
  JEPS53865  Rorippa curvisiliqua Willis L. Jepson 1893-4-25 13375 Napa Edge Hill near St. Helena (Napa River Basin); , near St. Helena Comment
  CAS-BOT-BC147537  Rosa californica Doris K. Kildale 1928-5-8 5045 Napa 3 miles west of Napa-Solano county line Comment
  UC126647  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7112 Napa Alta Loma Ranch Howell Mountain 487 Comment
  SEINET7665491  Rosa gymnocarpa H. P. Chandler 1906-1 7112 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  JEPS112570  Rosa rubiginosa Jake Ruygt 1987-5-11 1983 Napa Milliken Creek below Foss Valley 393 Comment
  CAS-BOT-BC156914  Rubus ursinus Peter H. Raven 1950-4-15 1733 Napa Wooden Valley Grade above Napa 274 Comment
  UCD101077  Rumex acetosella M. Wiesendanger 1927-5-4 699 Napa Monticello, Napa Road. Comment
  SBBG128000  Rumex dentatus L. Ahart 2009-10-27 16492 Napa below the high water line of Lake Berryessa, ca. 50 yards SE of Eticuera Crk, ca. 150 yards S of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  JEPS120316  Rumex salicifolius Jake Ruygt 1992-7-7 3074 Napa Alston Park near north side of park. Napa 7.5' Quad. Comment
  UCD39196  Rupertia physodes Beecher Crampton 1953-5-19 1301 Napa 9 miles east of Rutherford. Along Hwy. 128. Comment
  SEINET3269560 Image available Rupertia physodes M. F. Wojciechowski, K. P. Steele 2000-5-20 889 Napa Along CA 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  UCD54295  Saccharum ravennae Jeffrey L. Firestone 2004-7-14 1 Napa McLaughlin Reserve; precisely at the intersections of Sections 1,2,11,12 of Range 5W, Township 11N. Alternately near waterline of holding ponds at western base of site 5 waste rockpile, to the southwest of the Homestake main pit and the former Manhattan mine site. Comment
  UCD161748  Sagina decumbens subsp. occidentalis Jake Ruygt 1995-4-8 3415 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  POM260435  Salix L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  RSA8371  Salix I. L. Wiggins 1932-3-12 5752 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC108661  Salix breweri M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC108663  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon, Napa Range Comment
  SBBG34174  Salix breweri E. L. Smith 1967-5-7 Napa Butts Crk, below small reservoir at NW end of cyn where rd from Pope Valley enters Butts Cyn, 6.9 mi NW of Pope Valley Comment
Read comments
Sep 28 2012
  UC457172  Salix breweri David D. Keck 1931-4-3 1075 Napa along creek 5 mi ne Aetna Springs; Butts Creek Comment
  SEINET11993504  Salix breweri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -320 Napa along Butts Canyon Road near junction with Snell Valley Road, along Butts Creek 250 Comment
  CAS-BOT-BC108195  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa On main highway in roadside ditch, about 2 km. W. of Calistoga. Comment
  JEPS38433  Salix laevigata W. L. Jepson 1922-10-22 9840 Napa Conn Creek Napa Valley Comment
  UC5024  Salix laevigata Willis L. Jepson 1893-5-8 Napa beyond Angwin's Howell Mt. Comment
  UCD164813  Salix lasiandra var. lasiandra Jake Ruygt 2007-3-31 5138 Napa Las Posadas State Forest, Moore Creek near Recreational Flat. 359 Comment
  UCD164814  Salix lasiandra var. lasiandra Jake Ruygt 1992-7-10 3077 Napa Yountville Ecological Reserve, Yount-ville Crossroad. 25 Comment
  CAS-BOT-BC107048  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 19 Napa One mile northwest of Calistoga Comment
  UCD164811  Salix lasiolepis Jake Ruygt 1996-5-11 3660 Napa SE of Suscol; Napa Sanitation District. 3 Comment
  CAS-BOT-BC128201  Salix lucida Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house road Mt. St. Helena on Calistoga sie of Napa County Comment
  CAS-BOT-BC225171  Salvia sonomensis Elizabeth Wright 1922-4-1 217 Napa Near Calistoga Comment
  JEPS62781  Salvia sonomensis W. L. Jepson 1897-5-2 14945 Napa sw of Calistoga (Rebecca Ranch grade, Napa Valley); Napa Valley 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
  JEPS104479  Sanicula bipinnata Jake Ruygt 1980-3-22 812 Napa north of Snell Valley and Routan Creek 274 Comment
  UCD128001  Sanicula bipinnata Evert I. Schlinger 1952-3-16 14 Napa Putah Canyon. Comment
  UCD48512  Sanicula bipinnatifida A. Van Houtte; E. Leger and C. Hohn 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; NE-facing bank upslope of ruined cabins, between the stock pond and the W side of Decker Canyon Rd. 152 Comment
  UC1022487  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X339 Napa about 9 mi e of Pope Valley (on the road to Monticello, along Pope Creek); Pope Creek Comment
  UCD81387  Sanicula crassicaulis M. Wiesendanger 1927-5-4 680 Napa Near Monticello. Comment
  UCD83670  Sanicula crassicaulis Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 5 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  UC658973  Sanicula crassicaulis Mildred E. Mathias 1937-5-23 1281 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 Comment
  RSA15674  Saxifraga californica Carl B. Wolf 1928-2-25 1496 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  CDA11626  Scandix pecten-veneris G. F. Hrusa, S. Larson 1995-4-1 12062 Napa North Coast Biodiversity Arena; Margin of large diverse flower field along Chiles Valley/Pope Valley Rd. approx 2 mi. S of Pope Canyon Rd. intersection. Comment
  UCD128060  Scandix pecten-veneris C. G. Baughn 1949-4-24 20 Napa State Highway 12, 3.25 miles northwest of Cordelia. Comment
  UCD128134  Scandix pecten-veneris R. Tofsrud Date Unknown s.n. Napa Exact location unknown. Comment
  UCSB4655  Scandix pecten-veneris Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  CDA34665  Scirpus maritimus L. Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS63963  Scirpus microcarpus W. L. Jepson 1916-8-6 6841 Napa Moore's Creek , Moore's Creek (Howell Mt.) 487 Comment
  UCD41311  Scleranthus annuus subsp. annuus Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, N side of stream, 0.5 road miles from gate to old town of Knoxville. 365 Comment
  SEINET203031 Image available Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota PLateau, Howell Mountain; on hills at head of Moore's Creek 3-4 miles east of Angwin's 518 Comment
  UC1125698  Scrophularia californica A. Lewis 1932-5-17 85 Napa Sarcos Canyon; Napa Quadrangle 152 Comment
  UCD19916  Scutellaria californica E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 772 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  UC154011  Scutellaria tuberosa Joseph P. Tracy 1902-5-21 1578 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UCD73410  Scutellaria tuberosa Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC417001  Sedella pumila Belle Richardson Jackson 1923-5-10 s.n. Napa unspecified Comment
  CAS-BOT-BC417003  Sedella pumila John Thomas Howell 1939-5-7 14656 Napa Napa Comment
  UCD148772  Sedum radiatum Jake Ruygt 2005-4-17 4775 Napa Napa County; 'Cub Valley' south of Bear Valley. 676 Comment
  JEPS103971  Selaginella wallacei Jake Ruygt 1994-3-19 3326 Napa Top of the Palisades. 716 Comment
  CAS-BOT-BC366854  Selaginella wallacei Greg de Nevers; Steve Ehret 1998-2-16 11137 Napa Devil's Falls Comment
  HSC104394  Selaginella wallacei J. French 1969-2-15 Napa Along State Hwy. 121, 7 mi. NE of Napa Comment
  JEPS79404  Selaginella wallacei Edward Lee 1935-12-1 1669 Napa s side of road to Monticello (Wooden Valley grade, on land of F. Gagerro); Howell Mts., Sarco Creek Comment
  CAS-BOT-BC363357  Senecio aronicoides Peter H. Raven 1951-5-20 2857 Napa Hills w. Oakville 548 Comment
  UCD118563  Senecio aronicoides Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road near dry ditch. 519 Comment
  CAS-BOT-BC327425  Senecio flaccidus var. douglasii H. E. McMinn 1922-8-1 396 Napa Pope Valley Canyon Comment
  UCD33551  Senecio flaccidus var. douglasii Beecher Crampton 1969-10-14 8521 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  JEPS106857  Senecio hydrophilus Jake Ruygt 1980-5-9 879 Napa Edgerley Island 0 Comment
  UCD135756  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa south of road, summit of Oakvillegrade Road. Around 4 miles southwest of Oakville. Comment
  JEPS17417  Senecio vulgaris W. L. Jepson 1936-5-31 17572 Napa e of St. Helena; Howell Mountain, Jota Plateau Comment
  CAS-BOT-BC240158  Setaria verticillata Peter H. Raven 1951-8-21 3879 Napa Lokoya 457 Comment
  UC518944  Sidalcea diploscypha David D. Keck 1933-5-29 2363 Napa s Walters Springs (Pope Creek Bridge, to s of creek); s of Walters Springs, Pope Creek Bridge Comment
  JEPS50055  Sidalcea hartwegii W. L. Jepson 1897-5-2 14069 Napa near St. Helena; near St. Helena Comment
  RSA52655  Sidalcea hartwegii I. L. Wiggins 1949-4-30 12071 Napa Along old toll road between Calistoga and Clear Lake, about 15 miles NE of Calistoga Comment
  UC198240  Sidalcea hartwegii H. P. Chandler 1907-5-8 7567 Napa White Sulphur Spr. , White Sulphur Spr. (St. Helena) Comment
  JEPS110724  Sidalcea hirsuta Jake Ruygt 1986-6-24 1783 Napa Butt's Canyon Rd. at Ink Grade 237 Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  SD133948  Sidalcea keckii Barbara Ertter, Annette Carter 1989-5-28 8500 Napa Berryessa-Knoxville Road north of Lake Berryessa, 4.7 miles south of Knoxville tunnel. 299 Comment
  JEPS67230  Sidalcea malviflora subsp. laciniata Willis L. Jepson 1893-4-26 14076 Napa Vineland Napa River Basin, Napa Valley, Vineland Comment
  UC161021  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  UCD144649  Silene antirrhina Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC564022  Silene californica R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6673 Napa on Howell Mt.--Middletown Road 10 mi from Pacific Union College; Howell Mt.--Middletown Road Comment
  JEPS50936  Silene gallica W. L. Jepson 1923-4-29 9893 Napa St. Helena 91 Comment
  CAS-BOT-BC388147  Silene gallica Elsa G. Ruckert 1960-5-1 135 Napa 6495 Dry Creek Road; west of house next to compost heap. 365 Comment
  JEPS126032  Sisyrinchium bellum Jake Ruygt 1976-4-15 3 Napa 0.5 mile east of Silverado Trail on Deer Park Road. Saint Helena 7.5' Quad. Comment
  UC1196379  Sisyrinchium bellum Joseph P. Tracy 1933-4-30 12091 Napa on hills at head of Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD138795  Sisyrinchium bellum Heidi E. M. Dobson 1978-4-8 301 Napa east slope of Mt. Veeder. Comment
  UCD48736  Sisyrinchium bellum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 14 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Rd. and Decker Bay Trail; approx. 90' NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  UCD48740  Sisyrinchium bellum A. Van Houtte; E. Leger and C. Hohn 2001-4-14 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along S rim of stock pond in Decker Canyon, near outflow gulch. W and upslope from ruined cabins. 152 Comment
  RSA125805  Sisyrinchium bellum Peter H. Raven 1958-5-5 10740 Napa Near the Hot Springs, Calistoga. 91 Comment
  RSA195329  Sisyrinchium bellum Gilbert Muth 1967-5-19 700 Napa Milliken Dam. 335 Comment
  JEPS126042  Sisyrinchium californicum Jake Ruygt 1990-4-14 2478 Napa South end of Wooden Valley on Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  CAS-BOT-BC34694  Solanum lycopersicum P. H. Raven 1942-9-14 5170 Napa Road 1.5 mi. NE of Yountville 121 Comment
  CHSC102258  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS110747  Solanum rostratum Jake Ruygt 1996-9-14 3785 Napa 1.9 miles north of Sage Canyon Road on Lower Chiles Valley R 298 Comment
  UCR242098  Solanum umbelliferum Katherine Countrey 1983-4-22 004 Napa c. 8 mi east of Winters on Hwy 128 at the Monticello Dam Parking area 136 Comment
  JEPS7819  Solanum umbelliferum Peter H. Raven 1952-5-31 4159 Napa on Rector Creek Rector Creek 121 Comment
  CAS-BOT-BC365372  Solidago elongata John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC365094  Solidago velutina subsp. californica Harley P. Chandler 1906-9-7 7117 Napa Howell Mountain. Alta Loma Ranch 548 Comment
  CAS-BOT-BC365097  Solidago velutina subsp. californica Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UCD159925  Sonchus oleraceus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  CAS-BOT-BC5578  Sparganium californicum E. L. Greene s.n. Napa Calistoga Comment
  CAS-BOT-BC235379  Spartina foliosa Peter H. Raven 1951-9-9 3908 Napa Slaughterhouse Pt., Napa River 0 Comment
  POM118625  Spergula arvensis Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC390280  Spergularia macrotheca var. longistyla Rimo Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser 1 1/2 miles north of Calistoga Comment
  HSC4242  Spergularia macrotheca var. longistyla Elsa Kraeger 1926-3-27 Napa Field near geyser, Calistoga Comment
  JEPS120394  Spergularia macrotheca var. longistyla Jake Ruygt 1982-5-19 1273 Napa Tubbs Lane at Myrtledale Road, Calistoga Comment
  CAS-BOT-BC390308  Spergularia macrotheca var. macrotheca John Thomas Howell 1932-10-8 10803 Napa Napa River levee at Cuttings Wharf Comment
  CAS-BOT-BC390565  Spergularia rubra A. A. Heller; H. E. Brown 1902-4-25 6364 Napa Near Napa Comment
  RSA10668  Stachys bullata Carl B. Wolf 1928-5-3 1821 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD95970  Stachys rigida var. quercetorum Ellen Dean; with Clare Loughran 2011-5-20 7067 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  JEPS36144  Stebbinsoseris heterocarpa Willis L. Jepson 1893-5-8 Napa Howell Mt. grade below New Eden; Howell Mt. grade Comment
  UCD17986  Stellaria media Ellen Dean; with Plant Biology 102 class 2001-4-14 712 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  CAS-BOT-BC386935  Stellaria media Peter H. Raven 1954-2-22 6393 Napa along streets, St. Helena 60 Comment
  UCD169855  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along the west side of Capell Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles(air) west of Winters. 133 Comment
  UCD136457  Stephanomeria virgata subsp. pleurocarpa D. H. Hartmann 1941-9-20 s.n. Napa Putah Canyon. Comment
  JEPS122973  Stipa lepida Jake Ruygt 1986-4-26 1729 Napa East of Wragg Canyon Resort, Blue Ridge. Quad: Mt. Vaca. Comment
  HSC44256  Stipa pulchra Robert M. Specht 1977-4-19 685 Napa Above drainage running NE from Adams Creek (site 163) 524 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
  UC956567  Streptanthus barbiger Freed W. Hoffman 1948-6-6 2329 Napa Spring Mountain rd North Coast Ranges, St. Helena Reservoir Comment
  UC630658  Streptanthus breweri var. breweri John L. Morrison and G. Ledyard Stebbins Jr. 1938-5-20 3035 Napa about 0.7 mi w Knoxville (on road to Lower Lake); Middle North Coast Ranges 457 Comment
  UC1198805  Streptanthus breweri var. hesperidis Joseph P. Tracy 1899-7-6 407 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC956592  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-5-10 2777 Napa along pipe line 1/4 mi below Conn Dam; North Coast Ranges Comment
  UC956593  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-9-3 2998 Napa Conn Dam North Coast Ranges Comment
  UC1292725  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-8-4 1041 Napa near Detert Reservoir; Napa-Lake County line Comment
  RSA3294  Streptanthus glandulosus D. D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  UCD164556  Streptanthus glandulosus A. Amezcua 1995-4-29 1 Napa Along cut of Berryessa- Knoxville Road, 200 m northeast of intersection with Hwy 128 (near turtle rock). 250 Comment
  UCR51812  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Coast Range, Conn Valley 183 Comment
  CAS-BOT-BC87154  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1940-5-19 15453 Napa Upper Saint Helena Creek. Comment
  CAS-BOT-BC87158  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  UC517969  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Pope Creek Canyon Napa Range Comment
  UC956575  Streptanthus glandulosus subsp. glandulosus Freed W. Hoffman 1949-5-10 2776 Napa along pipeline about 2 mi below Conn Dam; North Coast Ranges 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
  JEPS100815  Streptanthus hesperidis Dean Wm. Taylor with Mey Akasah 1999-6-4 17217 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  UCD164232  Streptanthus hesperidis N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 310 Napa Knoxville-Devilhead road, towards Hunting Creek.(Coordinates estimated by label maker). Comment
  UCD167106  Streptanthus hesperidis Jake Ruygt 2015-6-13 6127 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  UCD170471  Streptanthus hesperidis Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 900 Napa Knoxville Wildlife Area, west slope of ridge above upper Zim Zim Creek drainange east of Knoxville-Devilhead Road. 572 Comment
  UCD164230  Streptanthus morrisonii N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 308 Napa Hunting Creek. 337 Comment
  UC939444 Image available Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-5-3 1438 Napa 0.25 mi w White's Point (Table Mtn. road, ca 5 mi e of Mountain Mill House, Napa-Lake Co. line); ; W of White's Pt., Table Mt., Napa-Lake Co. Comment
  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
  JEPS106730  Symphoricarpos albus var. laevigatus Jake Ruygt 1988-4-11 2148 Napa canyon to the north of American Canyon 140 Comment
  UCD137423  Symphoricarpos albus var. laevigatus C. R. Kovacic 1969-5-3 21 Napa northeast end of Lake Hennessey near outlet of Chiles Creek. Comment
  UCD19318  Symphoricarpos albus var. laevigatus M. A. Bibbo; E. Dean 2001-7-6 10 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.8 air miles from jct. with S Decker canyon rd. 20 yards off of the road, up a small dry creek, on N facing slope of drainage. 198 Comment
  UCD19319  Symphoricarpos mollis M. A. Bibbo; E. Dean 2001-7-6 11 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.8 air miles from jct. with S Decker canyon rd. 20 yards off of the road, up a small dry creek, on N facing slope of drainage. 198 Comment
  CAS-BOT-BC97740  Symphyotrichum chilense John Thomas Howell 1933-8-27 11627 Napa Sage Canyon, Napa Range Comment
  UC1536891  Symphyotrichum spathulatum G. H. True Jr. 1937-10-12 842 Napa near Lokoya Lodge Comment
  UC165065  Symphyotrichum spathulatum Joseph P. Tracy 1904-5-23 2081 Napa near, (Napa Valley) Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  CHSC102538  Symphyotrichum subulatum var. parviflorum Lowell Ahart 2009-10-27 16476 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UC107641  Taraxia ovata Mrs. K. Curran Sept. 1888 Napa Howell Mountain Comment
  UC1197481  Thermopsis californica var. californica Joseph P. Tracy 1899-6-19 399 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC1222478  Thermopsis californica var. californica Joseph P. Tracy 1949-4-22 18285 Napa brushy hillside by reservoir; Conn Valley 91 Comment
  UCD108626  Thermopsis californica var. californica G. F. Hrusa 1992-4-15 10374 Napa 1 mile N of intersection of Highway 128 and Lower Chiles Valley Rd. 240 Comment
  UCD170212  Thermopsis californica var. californica Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 745 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 396 Comment
  HSC43964  Thermopsis macrophylla Robert M. Specht 1977-4-11 617 Napa Along drainage of Pocock Creek 500 Comment
  SEINET7042614  Thermopsis macrophylla A. G. Vestal 1963-5-13 s.n. Napa Conn Valley Road. Saint Helena quadrangle UTM Zone 10, 552079mE, 4262034mN. Comment
  CAS-BOT-BC66479  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4574 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66480  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4575 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66482  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6084 Napa Summit of Wooden Valley Grade. 8 miles east of Napa. Comment
  CAS-BOT-BC66498  Thysanocarpus curvipes M. S. Jussel 1931-4-19 s.n. Napa Pope Valley. Comment
  CAS-BOT-BC66500  Thysanocarpus curvipes Alice Eastwood 1918-5-2 6875 Napa Calistoga. Comment
  CAS-BOT-BC66514  Thysanocarpus curvipes Saichi Kawahara 1968-4-20 341 Napa 2 miles south of Pope Valley, Pope Valley-Chiles Road. 259 Comment
  CHSC43429  Thysanocarpus curvipes Lowell Ahart 1976-3-7 1028 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  JEPS106588  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2879 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  CAS-BOT-BC66494  Thysanocarpus curvipes David D. Keck 1931-4-2 1052 Napa 4 miles south of Monticello, eastern Napa county. Comment
  CAS-BOT-BC66502  Thysanocarpus curvipes Peter H. Raven 1953-4-2 5274 Napa Hill west of Tulucay Creek. 243 Comment
  CAS-BOT-BC66518  Thysanocarpus curvipes R. H. Platt 1898-3-24 s.n. Napa Vaca Mountains. Comment
  RSA0057573  Thysanocarpus curvipes David D. Keck 1931-4-2 1035 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. 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
  RSA0039334  Thysanocarpus curvipes var. curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  JEPS54141  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa on road to Myrtledale Hot Springs 1 1/4 mi from Calistoga Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  CHSC27762  Thysanocarpus radians Ethel Pearson 1978-3-24 3 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  CAS-BOT-BC67309  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles south of Monticello, eastern Napa county. Comment
  UC457173  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 mi s Monticello (eastern Napa County) Comment
  RSA113980  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa Hills at western edge of Calistoga. Comment
  RSA115583  Tonella tenella J. M. Tucker 1957-3-22 3287 Napa Beside Hwy 37, 0.4 mile southwest of jct with road to Monticello Dam and Winters. Comment
  UC903157  Tonella tenella Ethel Crum 1937-4-19 1788 Napa 10 mi s Monticello; Napa Range, Steel Canyon Comment
  UCD41326  Torilis nodosa Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  UCD48486  Torilis nodosa M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 4 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines, 100 ft. W of lat. and long. 304 Comment
  UCD128173  Torilis nodosa M. Ensign 1943-5-28 319 Napa 14 miles from Monticello on road to Lower Lake. Comment
  CAS-BOT-BC85166  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mt. St. Helena Comment
  JEPS48385  Torreya californica Kellogg 1888 Napa Mt. St. Helena Comment
  JEPS63929  Toxicodendron diversilobum W. L. Jepson 1913-4-15 5314 Napa Howell Mt. 609 Comment
  UCD110460  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -b Napa Knoxville. 593 Comment
  UCD82592  Toxicoscordion fremontii Ellen Dean; T. Starbuck 2009-5-4 5531 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  SEINET10879601  Toxicoscordion fremontii John T. Middleton 1936-3-21 Middleton 73 Napa Monticello, CA. Comment
  UCD139843  Toxicoscordion fremontii Rolf Y. Berg 1963-3-3 s.n. Napa State Highway 37, ca. 1.5 miles south of Wooden Valley junction. Comment
  UCD139880  Toxicoscordion venenosum var. venenosum P. B. Kennedy 1929-5-23 s.n. Napa St. Helena highway to Pope Valley. Comment
  RSA212495  Tragopogon porrifolius Elsa Ruckert 1960-5-7 144 Napa 6495 Dry Creek Road. Near spring beside road leading to house. 366 Comment
  JEPS112638  Trichostema laxum Jake Ruygt 1986-7-2 1854 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 448 Comment
  JEPS63142  Trichostema laxum John Thomas Howell 1927-8-24 3046 Napa Pope Valley Creek below Walters Springs, E of Napa Range Comment
  UCD63859  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCR45100  Trichostema laxum 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
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  JEPS108656  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano Couny line. 316 Comment
  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
  CHSC25145  Trientalis latifolia J. E. Beitler 1970-4-19 27 Napa St. Helena. Locally abundant in area directly between York Creek and gate at road to Spring Mountain Conversion dam, on Spring Mountain Road. Comment
  UC22513  Trientalis latifolia Willis L. Jepson 1893-5-9 Napa Napa River Basin, [Nibaum's Dam] Napa River Basin Comment
  JEPS106689  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1980-4-13 833 Napa Snell Valley 237 Comment
  JEPS106690  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1992-4-10 2898 Napa Wild Horse Valley Ranch east of south lake 457 Comment
  UC74964  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1983 Napa Calistoga Comment
  UC1925870  Trifolium bifidum Ethel Crum 1931-1 1055 Napa Pope Valley Comment
  UCD107886  Trifolium bifidum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD48974  Trifolium bifidum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD16046  Trifolium bifidum var. bifidum R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 19 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moderately moist soil, east facing slope, sunny. Herb, 10-13 cm tall, flowers light pink to lavender. Comment
  JEPS105673  Trifolium bifidum var. decipiens L. P. Janeway, B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road 506 Comment
  JEPS106797  Trifolium campestre Jake Ruygt 1992-5-4 2931 Napa Westwood Hills Park, Browns Valley Rd. Napa 85 Comment
  JEPS122769  Trifolium cernuum Jake Ruygt 2011-5-12 5784 Napa Ridgeview Lane south of Howell Mtn Road. Quad: St. Helena. Comment
  POM182743  Trifolium ciliolatum D. D. Keck 1931-4-2 1041 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  HSC15112  Trifolium depauperatum J. P. Tracy 1902-5-18 1541 Napa At head of Moore's Creek, 3.4 mi. E of Angwin's 518 Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  POM126289  Trifolium depauperatum var. truncatum C. F. Sonne 1887-04 s.n. Napa [Unspecified] Comment
  UCD38372  Trifolium depauperatum var. truncatum Beecher Crampton 1955-4-4 2390 Napa 2 miles north of Calistoga. 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
  POM182744  Trifolium dichotomum D. D. Keck 1931-4-2 1040 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  POM197362  Trifolium dichotomum L. R. Abrams 12249 Napa Summit St. Helena Grade. Comment
  JEPS65865  Trifolium fucatum Willis L. Jepson 1893-4-24 13719 Napa e St. Helena (hills, to Conn Valley); Napa River Basin Comment
  UCD83445  Trifolium fucatum Jake Ruygt 1989-5-9 2317 Napa American Canyon, Avilla Ranch. 60 Comment
  UCD149710  Trifolium gracilentum Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  JEPS106709  Trifolium hirtum Jake Ruygt 1982-4-29 1208 Napa Suscol Plain west of HWY 29 (221) 3 Comment
  JEPS106710  Trifolium microcephalum Jake Ruygt 1980-5-3 867 Napa Oat Hill Mine Rd. at Twin Peaks 755 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
  UCD170823  Trifolium microcephalum 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 166 Comment
  UCD38821  Trifolium microcephalum Beecher Crampton 1958-4-29 4757 Napa Capell Valley. Comment
  RSA10698  Trifolium microcephalum Carl B. Wolf 1928-5-3 1789 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD83420  Trifolium obtusiflorum Jake Ruygt 1988-6-4 2214 Napa S slope of Mt. St. Helena above Red Hill. 731 Comment
  JEPS4361  Trifolium oliganthum Willis L. Jepson 1893-4-24 13697 Napa e St. Helena (in hills) Comment
  JEPS4440  Trifolium oliganthum W. L. Jepson 1892-1 13699 Napa to Lower Lake Knoxville Grade Comment
  POM18841  Trifolium oliganthum C. F. Baker 1903-4-20 2606 Napa Mt. St. Helena. Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  POM126206  Trifolium olivaceum var. olivaceum C. F. Sonne 1888-04 183 Napa Napa Comment
  JEPS126125  Trifolium resupinatum Jake Ruygt 2006-5-18 5031 Napa Airport Road on south side, about 0.1 mile west of Highway 29. Cuttings Wharf 7.5' Qua. Comment
  UCD128339  Trifolium resupinatum Virginia Moran 2012-5-1 s.n. Napa No exact location. Comment
  UC1925877  Trifolium variegatum Ethel Crum 1931-1 1084 Napa Near Aetna Springs Comment
  JEPS106686  Trifolium variegatum var. pauciflorum Jake Ruygt 1991-5-11 2667 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  HSC2110  Trifolium willdenovii C. B. Wolf 1928-5-3 1785 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS4400  Trifolium willdenovii W. L. Jepson 1913-4-15 5305 Napa Howell Mtn 609 Comment
  UCD109842  Trifolium willdenovii Heidi E. M. Dobson 1978-5-20 329 Napa East slope of Mt. Veeder. Comment
  UCD49036  Trifolium willdenovii C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 15 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Between West Rd. and Decker Bay Trail, approx. 200' NW of jct of West Rd. and Decker Bay Trail; approx. 300' N of creek. 167 Comment
  JEPS4399  Trifolium willdenovii W. L. Jepson 1913-4-15 5304 Napa Howell Mountain, Napa Range Comment
  UC1300876  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa along Silverado Trail (hillsides) Comment
  UCD109894  Trifolium willdenovii R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS110673  Triphysaria eriantha Jake Ruygt 1979-4-6 479 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 188 Comment
  CDA11594  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa, S. Larson 1995-4-1 12060 Napa North Coast Biodiversity Arena; Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  JEPS74866  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7511 Napa 4 mi e Pope Valley; e of Pope Valley Comment
  RSA739593  Triphysaria versicolor subsp. faucibarbata John Dittes 2003-4-5 2003 -10 Napa Inner N Coast Range, Napa Valley, 1.6 air miles N by NW of Calistoga City Hall, 0.9 air mile NW of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Raod and Tubbs Lane. 122 Comment
  SJSU11599  Triphysaria versicolor subsp. faucibarbata E. C. Garbett 1961-4-15 288 Napa by rd between Vallejo & Brown Valley Rd Comment
  UC75149  Triphysaria versicolor subsp. faucibarbata C. F. Baker 1900-4-19 2632 Napa Calistoga Comment
  UCD123416  Triphysaria versicolor subsp. faucibarbata Gerald D. Carr; R. F. Denno 1971-5-13 546 Napa 1.5 miles northwest of Pope Valley on Pope Valley Road. Comment
  CDA41891  Triphysaria versicolor subsp. faucibarbata H. Stabo 1960-4-25 s.n. Napa Southern part of county. 0 Comment
  JEPS86221  Triphysaria versicolor subsp. faucibarbata L. R. Heckard 1970-5-4 2447 Napa n side of Kelly Rd 0.5 mi n of CA Hwy 12 near junction of Hwy 12 and Hwy 29 ca 10 mi n Vallejo Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  UC1334861  Triphysaria versicolor subsp. versicolor L. D. Thurman 1964-4-15 393 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  RSA134117  Triteleia laxa John H. Thomas 1955-5-21 5150 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  SEINET198873  Triteleia laxa R. L. Ferral 1954-5-30 12 Napa 5 feet off road on west side ca. 3 miles south of Capell Valley road junction on Montcello-Napa road 244 Comment
  UCD139391  Triteleia laxa Carolyn Thomas 1974-4-14 10822 Napa near Yountville, near Thomas Ranch. 274 Comment
  UCD68005  Triteleia laxa Bill Wengeler 1995-4-16 s.n. Napa long Knoxville Road, approximately 4 miles North of Highway 128. 177 Comment
  UCR178675  Triteleia laxa Kook-Hyun Chung, M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 001 Napa Vaca Mtns, Quail Ridge UC Reserve. SE corner of Lake Berryessa, just west of Monticello Dam, along West Road, c. 0.45 mi (2400 ft) NW of the junction with South Decker Canyon Road 242 Comment
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Jan 20 2009
  JEPS58051  Triteleia laxa Elizabeth Ferguson 1920-5-15 348 Napa Pope Creek and Howell Mt. Howell Mt., Pope Creek Comment
  JEPS58053  Triteleia laxa W. L. Jepson 1901-5-28 2428 Napa York Creek St. Helena Comment
  SEINET8506566  Triteleia laxa C. M. Fryer 1948-5-9 13 Napa 17 miles N of Monticello. Comment
  RSA378085  Triteleia peduncularis Robert Gustafson, Don Reynolds 1983-6-7 2739 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC1561245  Triteleia peduncularis Barbara Ertter with Annetta Carter 1989-5-28 8515 Napa 2 mi se Lake Co. line (on Berryessa Rd., near Knoxville) 609 Comment
  UCD169874  Triteleia peduncularis Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 809 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 Comment
  CAS-BOT-BC91202  Umbellularia californica Elsa G. Ruckert 1960-2-27 7 Napa 6495 Dry Creek Road. 365 Comment
  CDA11147  Umbellularia californica G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11558 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Above Sarco Creek. Comment
  POM202744  Umbellularia californica I. L. Wiggins 1932-3-12 5754 Napa Bank of N Fork of Napa River, 1 mile N of Calistoga. Comment
  UCD170833  Uropappus lindleyi 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD18100  Uropappus lindleyi Ellen Dean; with PLB 102 class 2000-4-29 756 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD167017  Vaccinium ovatum Jake Ruygt 1984-3-31 1520 Napa Devil's Canyon. 405 Comment
  CLARK-A1528-4322  Verbascum blattaria John C. Roos 1938-10-22 265 Napa 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
  UC27680  Verbascum thapsus Mrs. D. O. Hunt Nov., 1898 Napa St. Helena Comment
  JEPS110737  Verbena lasiostachys var. scabrida Jake Ruygt 1979-7-28 780 Napa 2 miles north of fire trail up Mt. St. Helena on HWY 29 487 Comment