Search Results — 2000 specimen records retrieved (1495 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS122719  Abutilon theophrasti Jake Ruygt 1996-9-2 3767 Napa SW corner, Silverado Trail at Pope Street, St. Helena. Quad: St. Helena. Comment
  JEPS77944  Acer macrophyllum Edward Lee 1936-3-15 1806 Napa Rutherford - Pope Valley road 8 mi out Rutherford; Rutherford - Pope Valley road Comment
  CAS-BOT-BC28693  Achillea millefolium P. H. Raven 1955-8-27 8761 Napa Cuttings Wharf 3 Comment
  UC1301056  Achillea millefolium Helen K. Sharsmith 1963-4-20 5341 Napa s slopes, among volcanic rocks in oak-woodland Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD128294  Achillea millefolium Kamala Crompton 1996-5-12 14 Napa along road 128 about 5 miles west of Davis. 100 Comment
  JEPS19485  Achillea millefolium Peter H. Raven 1957-8-27 8761 Napa in salt marshes Cuttings Wharf Comment
  RSA195347  Achillea millefolium var. californica Gilbert Muth 1967-5-17 682 Napa Summit of Oat Hill Road 671 Comment
  CAS-BOT-BC218684  Achnatherum lemmonii F. H. Utech; W. Knight; I. Knight; S. Edwards 1986-5-19 86 -300 Napa Robert Lewis Stevenson State Park Trail to the pallisades, trailhead on CA Hwy 29 near St. Helena Creek, S. Edwards SWE 85.101 750 Comment
  JEPS104508  Achyrachaena mollis Jake Ruygt 1982-4-14 1184 Napa Suscol Plain east of Kaiser Steel 1 Comment
  JEPS36724  Achyrachaena mollis W. L. Jepson 1915-4-23 6245 Napa Conn Valley; Napa Range, Conn Valley Comment
  RSA786930  Achyrachaena mollis Carrie A. Herd 1982-5-9 100 Napa Sage Canyon Road, Con Dam area Comment
  UC912571  Achyrachaena mollis A. E. Borell 1928-4-13 142 Napa 6 mi nw Calistoga Comment
  UCD128388  Achyrachaena mollis H. E. Cott 1949-5-8 A 111 Napa State Highway 37, ca. 10 miles south of junction with State Highway 128. Comment
  SBBG3379  Acmispon americanus J. M. Tucker 1941-9-20 393 Napa Putah Cyn, Vaca Range Comment
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD104094  Acmispon brachycarpus G. L. Webster 1967-3-23 7489 Napa 1 mi S of Spanish Flat. 167 Comment
  UCD168550  Acmispon brachycarpus 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
  UCD16011  Acmispon brachycarpus L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 8 Napa McLaughlin Reserve, McLaughlin Reserve, east side of Devilhead Road 38 deg. 49' 14'' N, 122 deg. 21 12'' W; 540 m. Comment
  UCD73428  Acmispon glaber var. glaber Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD117462  Acmispon parviflorus Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD18153  Acmispon wrangelianus Jean Shepard; with Plant Biology 102 class 2000-4-29 191 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
  SEINET8205419  Adelinia grandis Robert C. Bechtel 1952-3-16 19 Napa Ptah Canyon. Comment
  JEPS44791  Adenostoma fasciculatum W. L. Jepson 1904-6-3 2448 Napa Howell Mt. Comment
  JEPS46395  Adenostoma fasciculatum W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  UC154128  Adenostoma fasciculatum J. P. Tracy 1905-7-6 2230 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 457 Comment
  UCD48196  Adenostoma fasciculatum L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 7 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD48197  Adenostoma fasciculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 9 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  RSA126038  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1955-5-21 5108 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  CAS-BOT-BC65667  Adiantum jordanii Carl B. Wolf 1928-5-3 1843 Napa base of Mt. St. Helena Comment
  UCD137221  Adiantum jordanii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  CAS-BOT-BC65665  Adiantum jordanii Evalina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  UCD137180  Adiantum jordanii Beecher Crampton 1953-2-26 991 Napa About 6 miles east of Monticello. Comment
  UCD14797  Adiantum jordanii Matt Gause 1991-6-2 23 Napa 6.8 miles out of the city of Napa along Highway 121. 231 Comment
  UCSB8225  Adiantum jordanii Keator, Glenn 1959-3-28 Napa Conn's picnic grounds near Lake Hennessy, Napa range Comment
  CAS-BOT-BC202653  Aesculus californica Richard R. Halse 1989-5-13 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  UCD148099  Agoseris grandiflora Jake Ruygt 2006-6-13 5056 Napa Northeast of Lake Berryessa. North of ridge on road between Harris and Green Canyon. 396 Comment
  CDA9939  Agoseris grandiflora T. C. Fuller 1958-6-4 Napa 2 1/2 miles north of Calistoga. 0 Comment
  JEPS36376  Agoseris grandiflora var. grandiflora W. L. Jepson 1893-4-24 Napa hills e of, on route to Conn Valley St. Helena; Napa Valley River Basin, Conn Valley Comment
Read comments
Jan 18 2009
  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
  CAS-BOT-BC13321  Agoseris retrorsa Paul F. Covel 1940-4-28 1742 Napa Howell Mt., near Pacific Union Coll. Comment
  CAS-BOT-BC127139  Agrostis exarata John Thomas Howell 1940-5-19 15445 Napa Near Calistoga. Comment
  JEPS123024  Agrostis exarata Jake Ruygt 1992-5-20 2988 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UC187235  Agrostis exarata Joseph P. Tracy 1905-7-6 2228 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC766831  Agrostis exarata R. F. Hoover 1941-5-10 5007 Napa between St. Helena and Calistoga Comment
  UCD39091  Agrostis exarata Beecher Crampton 1963-9-25 6905 Napa State Hwy. 37, west slope of Howell Mtns. east of Napa. Comment
  UCD52327  Agrostis exarata B. Crampton 1955-6-8 2830 Napa Sonoma - Napa County border: along State Hwy. 128, 5 mile northwest of Calistoga. Comment
  UCD52404  Agrostis exarata B. Crampton 1954-6-25 2012 Napa 3 miles south of Calistoga. Comment
  UCD52543  Agrostis exarata Beecher Crampton 1963-9-25 6905 Napa State Hwy. 37, west slope of Howell Mtns., east of Napa. Comment
  CAS-BOT-BC138819  Agrostis microphylla Beecher Crampton 1955-5-9 2749 Napa Meadow, supplied by the waters of Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  POM126100  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  UC1059033  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa 2 mi n Calistoga; meadow from waters supplied by Myrtledale Hot Springs 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
  UCD36932  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD53040  Agrostis microphylla A. A. Beetle 1946-5-7 4258 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  UCD53065  Agrostis microphylla var. intermedia Beecher Crampton 1956-5-21 3444 Napa meadow of waters supplied by the Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  CAS-BOT-BC139015  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  JEPS71141  Agrostis pallens W. L. Jepson 1936-7-3 17636 Napa Four Corners Napa Range, Howell Mt. Comment
  JEPS76289  Agrostis pallens W. L. Jepson 1944-7-30 27541 Napa Four Corners Napa Valley, Howell Mt. Comment
  RSA40170  Agrostis pallens J. T. Howell 1943-6-19 18236 Napa Hills southwest of St. Helena Comment
  UCD73459  Agrostis pallens Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  RSA92953  Agrostis stolonifera P. H. Raven 1951-6-26 3049 Napa E. of Napa on Monticello Rd. 61 Comment
  JEPS123026  Aira elegans Jake Ruygt 1982-4-29 1214 Napa Suscol plain east of Kaiser Steel, west of Highway 29 (221). Quad: Napa. Comment
  JEPS32192  Alisma plantago-aquatica Willis L. Jepson April, 1893 Napa Lower Napa Valley Napa River Basin Comment
  RSA92784  Alisma triviale Peter H. Raven 1950-7-4 2470 Napa Along railroad, Yountville. Comment
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  UCD20680  Allium amplectens J. D. Clark 1995-5-27 17 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Hwy 129. Trailhead begins on the east side of Hwy 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  JEPS47556  Allium amplectens W. L. Jepson 1938-5-18 18791 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  JEPS110940  Allium bolanderi var. bolanderi Jake Ruygt 1987-5-7 1750 Napa Buckeye Trail, Skyline Park, Napa 256 Comment
  RSA32797  Allium cratericola A. A. Heller 1938-4-3 15012 Napa Flat, treeless summit of Table Mountain, north of Oroville. 305 Comment
  JEPS47616  Allium falcifolium Miss Saidee Wallace 1909-4-23 Napa Pope Valley Comment
  POM182716  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles east of Pope Valley. Comment
  SBBG25351  Allium falcifolium W. B. Davis 1960-4-15 27 Napa Pope Valley, 5 mi E of turnoff from lower end of Lake Berryessa Comment
  UCD48255  Allium falcifolium A. Laffin; A. Randall, S. Holck 2002-4-13 3 Napa Napa Co, McLaughlin UC Reserve. North of Knoxville-Berryessa Road. Ca. 0.5 airline mile WSW of old town Knoxville. Volcanic rocky outcrop, ca. 100 yards upslope of road. 437 Comment
  CAS-BOT-BC469024  Allium falcifolium M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC469026  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. 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
  UC629766  Allium falcifolium John Morrison, Annetta Carter 1938-4-24 1355 Napa on road from Monticello to Lower Lake 0.6 mi w Knoxville Comment
  UCD161515  Allium falcifolium Jake Ruygt 1990-4-8 2472 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  UC608386  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  CDA33428  Allium paniculatum CDFA Staff 1978-4-6 Napa Calistoga 0 Comment
  UC410445  Allium serra Alice Eastwood 1930-4-13 17927 Napa canyon between Monticello and Pope Valley Comment
  UCD170359  Allium serra Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 858 Napa Knoxville Wildlife Area, north of Nevada Creek. 480 Comment
  UCD48256  Allium serra K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 30 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 432 Comment
  CAS-BOT-BC475559  Allium serra Alice Eastwood 1930-4-13 17927 Napa Canon between Monticello and Pope Valley Comment
  UC518935  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 mi s Knoxville Comment
  SEINET5010498  Allocarya stricta Unknown 1892-1 Napa Comment
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS101646  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16700 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UC1949321  Amaranthus californicus Barbara Ertter with Elizabeth Neese 1988-10-2 7969 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  JEPS54296  Amaranthus californicus W. L. Jepson 1930-10-19 15683 Napa Conn Creek Napa Valley 45 Comment
  CAS-BOT-BC45032  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near Slaughterhouse Point, Napa River 0 Comment
  JEPS7803  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa near Slaughterhouse Point; Napa River 0 Comment
  UC1010757  Amelanchier utahensis Peter H. Raven 1953-5-2 5406 Napa Rector Creek 396 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
  UCD144337  Amelanchier utahensis George F. Hrusa 1989-4-24 5931 Napa edge of Pope Creek where Pope Creek Road cross creek. 175 Comment
  UCD95904  Amelanchier utahensis Ellen Dean; with Clare Loughran 2011-5-20 7046 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  JEPS16025  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley, Union Station 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
  CAS-BOT-BC177209  Amorpha californica var. napensis C. H. M. 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS106984  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s. n. Napa on both sides of Dry Creek Road about 100 yds E of the interection with Wall Road, about five mi W of Oakville (just N of Yountville) Comment
  UC13277  Amorpha californica var. napensis Willis L. Jepson 1894-5-1 Napa canyon near Calistoga; Napa River Basin Comment
  UC1178197  Amsinckia intermedia Francia Chisaki 1954-4-15 595 Napa about 2 mi s Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD161576  Amsinckia menziesii Jake Ruygt 2007-3-29 5128 Napa Rector Creek, west of State Lane (Caymus Avenue). 42 Comment
  UCD170191  Amsinckia retrorsa Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 766 Napa Knoxville Wildlife Area, along Zim Zim Falls trail 381 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
  CAS-BOT-BC64141  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mountain, head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  UCD128905  Ancistrocarphus filagineus Robert E. Preston 1988-4-10 579 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  JEPS16005  Angelica californica E. L. Greene 1883-1 Napa Calistoga 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
  UCD127189  Angelica tomentosa K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  JEPS15907 Image available Angelica tomentosa W. L. Jepson 1895-8-30 13484 Napa near Calistoga; Upper Napa Valley; Near Calistoga, Upper Napa Valley Comment
  UCD127187  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  CAS-BOT-BC273165  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  UCD117789  Anisocarpus madioides Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, where main meadow and forest meet. 387 Comment
  JEPS104497  Anthriscus caucalis Jake Ruygt 1995-4-17 3424 b Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 67 Comment
  UC1197333  Anthriscus caucalis Joseph P. Tracy 1938-5-31 15748 Napa near St. Helena (at Bale Mill); Northern Coast Ranges 91 Comment
  JEPS110620  Antirrhinum kelloggii Jake Ruygt 1980-5-13 881 Napa 3.0 miles south of Oakville Grade on Dry Creek Rd. 152 Comment
  SBBG83247  Antirrhinum vexillocalyculatum D. M. Thompson 1983-6-15 330 Napa 0.3 mi N of Porter Crk Comment
  POM215774  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. D. Keck 1933-7-1 2465 Napa Butts Creek Canyon, ca. 5 miles northeast of Aetna Springs. Comment
  UC726147  Antirrhinum virga A. A. Heller 1940-6-13 15741 Napa w side Mt. St. Helena (along the road to the summit below the first turn toward the e side) Comment
  UCD162422  Aphanes macrosepala Ellen Dean; with Plant Biology 102 class 2001-4-14 716 a Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  POM202741  Aphanes occidentalis I. L. Wiggins 1932-4-12 5763 Napa Hillside betw Franz Valley and Calistoga Comment
  UCD126299  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon. Comment
  JEPS53025  Arabis glabra Willis L. Jepson 1893-4-25 13387 Napa near St. Helena (Bed of Sulphur Springs Creek); Sulphur Springs Creek Comment
  SFV5090  Aralia californica B. C. Templeton 1957-6-26 s. n. Napa Calistoga. Near Hill and Connors Ranches. Comment
  RSA797289  Arbutus menziesii Keith E. Hoffmaster 1946-3-23 1064 Napa Napa range, along Napa-Monticello road Comment
  JEPS40130  Arceuthobium campylopodum W. L. J. 1897-7-12 Napa Samuel's Springs Comment
  JEPS38624  Arctostaphylos canescens W. L. Jepson 1913-4-15 5311 Napa La Jota Plateau Howell Mountain Comment
  JEPS38634  Arctostaphylos canescens Willis L. Jepson 1893-5-4 14728 Napa near Signal Station; Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC23963  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helana Comment
  CAS-BOT-BC23983  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-7 4697 Napa Mt. St. Helena Comment
  CAS-BOT-BC23991  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12267 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC23997  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC24017  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4564 Napa Crater Country, near Mt. St. Helena Comment
  CAS-BOT-BC24020  Arctostaphylos canescens subsp. canescens Peter H. Raven 1953-2-21 5191 Napa Wooden Valley Grade 274 Comment
  JEPS48499  Arctostaphylos canescens subsp. canescens Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  POM197361  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit Mt. St. Helena. Comment
  POM367244  Arctostaphylos canescens subsp. canescens H. de Forest 1930-3-23 14616 Napa Mt. St. Helena. 701 Comment
  UC571090  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-1-2 2612 Napa Toll House Canyon Mount St. Helena (near summit of mt.) Comment
  UC674755  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena Comment
  UCD73392  Arctostaphylos canescens subsp. canescens Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UCR212319  Arctostaphylos canescens subsp. canescens Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD50910  Arctostaphylos glandulosa A. E. Wieslander 871 1939-3-18 871 Napa 1.5 miles northeast of Mt. Veeder. 304 Comment
  CAS-BOT-BC24863  Arctostaphylos glandulosa subsp. cushingiana Gertrude Raven Hardman 1967-12-25 s.n. Napa Pope Valley Comment
  CAS-BOT-BC23143  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood; John Thomas Howell 1939-6-11 7432 Napa Hills west of Calistoga Comment
  CAS-BOT-BC23149  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1918-9-3 7941 Napa Mt. St. Helena Comment
  UC1120199  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1932-5-16 83 Napa Sarcos Creek Napa Quadrangle Comment
  UCD51108  Arctostaphylos glandulosa var. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. SW of Angwin. 243 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
  RSA31062  Arctostaphylos manzanita E. K. Balls, Percy C. Everett 1953-10-15 18676 Napa 3.4 mi S of Lake-Napa Co. line, Hwy 29, between Middletown and Calistoga. 640 Comment
  UCD18002  Arctostaphylos manzanita Ellen Dean; with Plant Biology 102 class 2001-4-28 733 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD20785  Arctostaphylos manzanita N. Nicola; C. Kremen 2001-2-5 001 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  UCD52209  Arctostaphylos manzanita Roman Gankin 1966-2-26 680 Napa ca. 100 yards up hill from gate at roadway; property west of Macdonald Ranch, Las Posadas State Forest, Napa County, California. Comment
  CAS-BOT-BC24284  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-8-27 11633 Napa Sage Canyon, Napa Range. Comment
  CAS-BOT-BC24286  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-13 15495 Napa About 3 mi. n. of Calistoga on State Highway #29. Comment
  CAS-BOT-BC38728  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5357 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38774  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade 2 miles below hawkins Mountain Camp. Comment
  POM180789  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-7-13 5357 Napa On the edge of the Crater Country' Comment
  RSA181902  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1936-12-7 17993 Napa Glass Mt., near St. Helena. Comment
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Sep 3 2012
  JEPS38739  Arctostaphylos manzanita subsp. manzanita Willis L. Jepson 1896-2-22 14711 Napa foothills Napa River Basin, Howell Mt. Grade Comment
  CAS-BOT-BC43838  Arctostaphylos stanfordiana John Thomas Howell 1930-3-23 4559 Napa About 1 mile se. of Mt. St. Helena Inn. Near Mt. St. Helena. Comment
  CAS-BOT-BC43840  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11088 Napa Calistoga Comment
  CAS-BOT-BC43860  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. sw. of Angwin 243 Comment
  CDA11908  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11714 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  CDA11914  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-3-11 11598 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  HSC7716  Arctostaphylos stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles W of Angwin 244 Comment
  JEPS38682  Arctostaphylos stanfordiana Willis L. Jepson 1893-9-23 14716 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  JEPS58788  Arctostaphylos stanfordiana W. L. Jepson 1938-9-28 19041 Napa La Jota Mesa Howell Mt. Comment
  UC402905  Arctostaphylos stanfordiana Mrs. H. P. Bracelin 1930-3-23 Napa flanks of mt. 1 1/2 mi se Mt. St. Helena Inn; Mt. St. Helena Comment
  UC876544  Arctostaphylos stanfordiana Lewis S. Rose 1939-4-16 39071 Napa 4 mi ne Napa 198 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
  JEPS120405  Arctostaphylos stanfordiana subsp. decumbens Jake Ruygt 2007-3-3 5123 Napa About 1/2 mile SE of Las Posadas Fire Station. Comment
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UCD52567  Arctostaphylos viscida Beecher Crampton 1970-4-15 8558 Napa north end of Capell Valley, State Hwy. 128. Comment
  UCD52637  Arctostaphylos viscida Heidi E. M. Dobson 1978-4-8 316 Napa California, Napa County: East slope of Mt. Veeder. Comment
  UCR43194  Arctostaphylos viscida L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  UC762313  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4914 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  UC763112  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4915 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  UC763122  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-27 4950 Napa e side Mt. St. Helena Comment
  RSA450961  Arctostaphylos viscida subsp. viscida C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  SBBG19110  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2018 Napa trail to Linda Falls, Angwin 426 Comment
  UC1388339  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-9-12 1371 Napa near Black Oak Villa; North Coast Ranges, Butts Canyon Comment
  UC1198120  Aristolochia californica Joseph P. Tracy 1933-6-2 12492 Napa along Napa R. e. of St. Helena 76 Comment
  UC59630  Aristolochia californica Jackson Leewis Napa St. Helena Comment
  UC917133  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa 8.6 mi. w. Winters (n. bank of Putah Creek); Putah Creek Comment
  UCD20914  Aristolochia californica V. (Shorty) Boucher 2002-3-27 5 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  CAS-BOT-BC82391  Arnica discoidea Peter H. Raven 1951-6-10 2906 Napa Toll House - Palisades, Mt. St. Helena 914 Comment
  JEPS104574  Artemisia douglasiana Jake Ruygt 1978-6-28 374 Napa 2.0 miles north of Browns Valley Rd. on Partrick Rd. 164 Comment
  JEPS36973  Artemisia douglasiana W. L. Jepson 1894-11-7 Napa Napa City Comment
  CDA2628  Arum italicum J. T. Howell 1970-3-19 46494 Napa Near Old Bale Mill 0 Comment
  JEPS49848  Asclepias eriocarpa W. L. Jepson 1936-7-6 17654 Napa ca. 5 mi s Monticello (where the road from Sage Canyon joins the Napa-Monticello road); Soda Creek Comment
  UCD18116  Asclepias fascicularis K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 53 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  CAS-BOT-BC68860  Aspidotis californica Peter H. Raven 1950-4-15 1747 Napa Wooden Valley Grade above Napa 457 Comment
  SBBG230  Aspidotis californica E. R. Blakley 1956-12-23 2033 Napa Bells Cyn, 2 mi W of Angwin 457 Comment
  UCD160641  Aspidotis densa Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8730 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  CAS-BOT-BC478055  Asteraceae Paul F. Covel 1940-4-28 1709 Napa CCC-Las Posadas Camp - near Pac. Union College Comment
  JEPS54545  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  RSA51342  Astragalus breweri P. H. Raven 1950-5-6 2022 Napa Sulpher flats and hot spring near Old Faithful Geyser N. of Calistoga. 183 Comment
  CAS-BOT-BC178660  Astragalus claranus D. O. Hunt 1922-4-19 s.n. Napa Near St. Helena Comment
  JEPS107253  Astragalus clevelandii Jake Ruygt 1991-6-29 2756 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  RSA108878  Astragalus clevelandii H. D. Ripley, R. C. Barneby 1945-6-21 6935 Napa 3 miles north of [Etna?] springs. Comment
  UC1142426  Astragalus clevelandii H. D. Ripley and R. C. Barneby 1945-6-21 6935 Napa 3 mi n Aetna Springs (sandy banks along a stream); n of Aetna Springs 198 Comment
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Aug 16 2013
  UCD160793  Astragalus clevelandii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8673 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC178291  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  JEPS54653  Astragalus gambelianus Edw. L. Greene 1892-1 Napa Mt. St. Helena Comment
  UCD170808  Astragalus gambelianus 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD38569  Astragalus gambelianus Beecher Crampton 1956-5-25 3448 Napa Vaca Mtns., Markley Canyon. Comment
  UCD47978  Astragalus gambelianus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 11 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
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Jan 14 2009
  JEPS41083  Astragalus rattanii var. jepsonianus Rimo Bacigalupi and L. R. Heckard 1965-5-15 9095 Napa about 1 mi e Devilhead Road ((from Cedar Valley to Knoxville), at edge of small valley, along Zim Zim Creek); along Zim Zim Creek 487 Comment
  RSA121722  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mile northwest of Knoxville. 610 Comment
  JEPS103982  Athyrium filix-femina var. cyclosorum Jake Ruygt 1984-3-31 1522 Napa Devil's Canyon 542 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-BC17534  Athysanus pusillus Alice Eastwood 1922-3-25 11102 Napa Calistoga. Comment
  CAS-BOT-BC17536  Athysanus pusillus Peter H. Raven 1953-4-2 5273 Napa Hill west of Tulucay Creek. 243 Comment
  HSC6515  Athysanus pusillus C. B. Wolf 1928-5-3 1831 Napa At the summit of the Mt. St. Helena Grade, Mt. St. Helena Comment
  UCD74389  Athysanus pusillus Jake Ruygt 1977-4-3 171 Napa Green Creek east of Lake Berryessa. 259 Comment
  JEPS126099  Atriplex rosea Jake Ruygt 1991-9-21 2840 Napa Kennedy Park, north of the boat ramp. Napa 7.5' Qua. Comment
  UCD56313  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3539 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCR197925  Avena fatua Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford Comment
  CAS-BOT-BC98793  Baccharis douglasii Peter H. Raven 1955-8-27 8760 Napa Cuttings Wharf 3 Comment
  JEPS104528  Baccharis pilularis Jake Ruygt 1991-9-23 2845 Napa Napa River north of Slaughterhouse Point 1 Comment
  UC1222975  Baccharis pilularis Joseph P. Tracy 1948-11-15 18258 Napa near, on Silverado Trail e side of Napa Valley St. Helena Comment
  CAS-BOT-BC16531  Barbarea orthoceras Peter H. Raven 1951-6-10 2926 Napa Center Region east of Palisades. 762 Comment
  UCD48675  Barbarea verna C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail, 55 ft. NW of jct with West Rd. 152 Comment
  JEPS68458  Beckmannia syzigachne W. L. Jepson 1923-6-3 9977 Napa e Yountville; Napa Valley 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
  SD1829  Berberis pinnata Brandegee (herb) 1894-4-19 Napa Mount St. Helena? 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
  JEPS18806  Blennosperma nanum var. nanum W. L. Jepson 1940-2-29 19498 Napa 4 mi se Yountville Comment
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Oct 4 2009
  JEPS53002  Boechera breweri subsp. breweri K. Brandegee 1894-6-1 Napa e of Calistoga (Pope Valley grade summit, n Napa Range); Napa Range Comment
  CAS-BOT-BC28215  Bolboschoenus fluviatilis Martin Simon Jussel 1935-8-10 s.n. Napa St. Helena Comment
  UCD140006  Bolboschoenus glaucus G. F. Hrusa; S. Larson 1995-4-10 12061 Napa Along Pope Valley Rd. approx. 1 mile east of intersection of Pope Valley-Chiles Valley Road and Pope Canyon Road. 180 Comment
  CAS-BOT-BC31395  Bolboschoenus robustus Walter Knight; Irja Knight 1978-11-5 3333 Napa Duttons Landing. End of Green Island Road. Comment
  CAS-BOT-BC31397  Bolboschoenus robustus Peter H. Raven 1952-8-26 5135 Napa Salt marshes near Bently Wharf. 15 Comment
  UCD159468  Brickellia californica D. S. Park 2010-8-13 222 Napa Along Berryessa Knoxville Rd. Near dried up creek bed. Shrub on side of the road. 218 Comment
  RSA170266  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jola Plateau 518 Comment
  JEPS129035  Brodiaea elegans subsp. elegans Jake Ruygt 2016-5-28 6268 Napa Oil Well Road 1/4 mile west of high point. Lake Berryessa 7.5' Quad. Comment
  UCD148735  Brodiaea elegans subsp. elegans Jake Ruygt 1980-6-4 911 Napa Napa County; 4.6 miles NE of Silverado Trail on Soda Canyon Rd. 335 Comment
  UC1300928  Brodiaea elegans subsp. elegans Helen K. Sharsmith 1962-6-3 5110 Napa Napa-Soda Springs road 152 Comment
  JEPS110910  Brodiaea leptandra Jake Ruygt 1987-6-6 2033 Napa Devil's Canyon 548 Comment
  JEPS110912  Brodiaea leptandra Jake Ruygt 1982-7-18 1372 Napa Deer Park Rd. at Four Corners 414 Comment
  JEPS50490  Brodiaea leptandra Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9305 Napa in dry bed of rivulet along Conn Valley Rd. 0.8 mi e junction with Howell Mtn. road (at upper end of valley); Conn Valley 121 Comment
  UCD148581  Brodiaea leptandra Jake Ruygt 1995-6-26 3510 Napa Napa County; about 2 miles south of Lake Hennessey on private road (Taylor). 1360 Comment
  UCD77156  Brodiaea leptandra Robert E. Preston 2002-6-17 1820 Napa Ca. 1.6 mi sw of Pope Valley, along Ink Grade, 0.36 mi n of its jct with Howell Mtn Rd. 518 Comment
  UCD77197  Brodiaea leptandra Robert E. Preston 2004-6-26 2265 Napa Angwin, along Las Posadas Rd, ca. 1.1 mi from Howell Mountain Rd 512 Comment
  UCD60269  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of Napa; Howell Mountains, summit of State Hwy. 37. Comment
  JEPS123013  Bromus carinatus var. carinatus Jake Ruygt 1990-5-16 2549 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  UCD18080  Bromus carinatus var. carinatus Ellen Dean; with PLB 102 class 2000-4-22 638 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  CAS-BOT-BC155987  Bromus diandrus Peter H. Raven 1952-5-29 4084 Napa Napa River 1 mile north of Napa. 60 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
  UC60203  Bromus hordeaceus Willis L. Jepson 1893-1 Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  UCD48842  Bromus hordeaceus A. Van Houtte; E. Leger, C. Hohn 2001-4-14 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; N of Research Station, in an open meadow in a saddle of Decker Ridge Rd., N of jct with South Decker Canyon Rd. 365 Comment
  JEPS76000  Bromus japonicus W. L. Jepson 1936-6-1 17591 Napa w side of Four Corners (Howell Mt.); Howell Mountain, Four Corners Comment
  JEPS76002  Bromus japonicus W. L. Jepson 1936-6-1 17590 a Napa Napa Range, Howell Mountains, w side of Four Corners Four Corners; Napa Range, Howell Mountains, Four Corners Comment
  JEPS123004  Bromus laevipes Jake Ruygt 1987-5-9 1972 Napa 1 mile east of Atlas Peak Road on Monticello Road. Quad: Mount George. Comment
  JEPS75634  Bromus laevipes W. L. Jepson 1936-5-28 17541 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UCD58878  Bromus laevipes Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  UCD58905  Bromus laevipes P. B. Kennedy 1918-5-28 s.n. Napa Calistoga. Petrified Forest Road. Comment
  UCD75794  Bromus madritensis subsp. rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site. Comment
  SACT000578  Bromus mollis John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  SACT000713  Bromus rubens John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 Comment
  UCD148808  Bromus rubens Ellen Dean; Diana Hickson 2014-4-29 8115 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CAS-BOT-BC161638  Bromus sterilis Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5351 Napa South side of Pope Creek northwest of Samuels Springs. 152 Comment
  UCD73502  Bromus sterilis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD57539  Calamagrostis ophitidis Beecher Crampton 1961-5-22 5877 Napa along State Hwy. 128, north end of Capell Valley above Capell Creek. Comment
  SBBG21229  Calamagrostis rubescens B. Crampton 1961-6-12 Napa 7 mi E of Napa, Howell Mtn, summit of St Hwy 37 Comment
  SEINET3924762  Calamagrostis rubescens Fred W. Hoffman 1944-7-7 1973 Napa Trinity Road.; 0 Comment
  JEPS128910  Calandrinia ciliata Jake Ruygt 1994-3-7 2996 Napa Lewelling Ranch, west end of Lewelling Lane, Saint Helena. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC438472  Calandrinia ciliata Elsa G. Ruckert 1960-4-3 64 Napa 6495 Dry Creek Road, west of house 365 Comment
  CAS-BOT-BC273232  Calendula arvensis Peter H. Raven 1951-6-24 3014 Napa Brown's Valley 91 Comment
  JEPS121549  Calochortus amabilis Adam C. Schneider with Dick O'Donnell 2013-5-26 199 Napa Southwest side of Chiles Pope Valley Rd., 100 yards southwest of farmhouse and other buildings. Comment
  SEINET3884899  Calochortus amabilis R. Wenk, L. Lina; A. Miles; J. Waggoner; E. Anderson 2000-4-22 5 Napa Mclaughlin Reserve, first ridge South og Knoxville-Berryessa Road, on Southeast side of Devilhead Road.; 0 515 Comment
  UC1543122  Calochortus amabilis Charlotte G. Nast 1936-3-27 44 Napa Putah Canyon Comment
  UCD139466  Calochortus amabilis L. P. Thibault 1995-5-21 50 Napa on south side of Highway 128 about 3 miles west of Wragg Canyon Road. 250 Comment
  UCD160636  Calochortus amabilis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8728 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UCD48750  Calochortus amabilis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 20 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 mi (2,400 ft.) as the crow flies, NW from the jct of West Rd. and South Decker Canyon Rd. S side of West Rd. up on ridge. 249 Comment
  UCD48752  Calochortus amabilis S. Murphy; K. Keck and K. Dyer 2002-5-5 14 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 450 m. from intersection of West and East roads, S side of upper road leading to power lines and tip parcels. 388 Comment
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Apr 3 2019
  UCD139530  Calochortus luteus J. Buck 1996-6-2 23 Napa at Hennessey Lake along Highway 128, in field near the boat. 48 Comment
  HSC43973  Calochortus luteus Robert M. Specht 1977-4-27 800 Napa N side of Morgan Valley Rd. 622 Comment
  UC1300908  Calochortus luteus Helen K. Sharsmith 1962-6-3 5109 Napa Napa-Soda Springs road San Francisco Bay Region 152 Comment
  UCD166650  Calochortus splendens Jake Ruygt 1989-5-20 2333 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 441 Comment
  JEPS61728  Calochortus superbus W. L. Jepson 1904-6-3 2432 Napa St. Helena to Howell Mt. (Howell Mt. foothills) Comment
  UCD160678  Calochortus superbus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8750 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  UCD164687  Calochortus superbus L. P. Thibault 1995-6-2 64 Napa East side of lower Chiles Valley Road, 0.5 miles northwest of Highway 128. 300 Comment
  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
  UCD170377  Calochortus superbus Daniel Potter; N Khuu 2016-5-8 874 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, just west of tributary to Nevada Creek. 281 Comment
  UC1103467  Calochortus tolmiei J. P. Tracy 1899-6-10 447 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  CAS-BOT-BC132623  Calochortus uniflorus C. F. B. 1903-4-19 1979 Napa Calistoga Comment
  POM182666  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UC143576  Calochortus uniflorus C. F. Baker 1903-4-19 1979 Napa Calistoga Comment
  UC3489  Calochortus uniflorus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  UCD160784  Calochortus vestae Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8664 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
  UC1876219  Calycadenia fremontii Gerald D. Carr 1971-9-20 665 Napa 0.8 mi SE of Berryessa-Knoxville Rd. on Hwy 128. 213 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
  JEPS38540  Calycadenia multiglandulosa W. L. Jepson 1916-8-6 6832 Napa Howell Mt. Comment
  RSA595750  Calycadenia multiglandulosa L. C. Wheeler 1958-8-26 7445 Napa Near Moore Creek mine prospect. Comment
  UC194184  Calycadenia multiglandulosa H. M. Hall 1915-8-12 10092 Napa Howell Mountain, near summit, along n road to Woodworth's 518 Comment
  POM298230  Calycadenia multiglandulosa subsp. cephalotes D. D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  CAS-BOT-BC270835  Calycadenia pauciflora John Thomas Howell 1930-10-19 5626 Napa 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa - Lake County line Comment
  JEPS106901  Calycadenia pauciflora Jake Ruygt 1979-7-21 762 Napa corner of Snell Valley Rd. and Butts Can yon Road 198 Comment
  JEPS38539  Calycadenia pauciflora W. L. Jepson 1916-8-6 6831 Napa Howell Mt. Comment
  RSA255589  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa Junction of Lower Chiles Valley and Pope Valley Roads 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
  RSA255600  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road Comment
  UCD129823  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 1/4 mile west of Berryessa-Knoxville Road on Highway 128. Comment
  UCD129871  Calycadenia pauciflora G. F. Hrusa 1988-9-4 5705 Napa Butts Creek, near Lake-Napa County lines. Comment
  UCD129909  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mile northwest of Knoxville on Morgan Valley Road. 457 Comment
  UC1876642  Calycadenia truncata Gerald D. Carr 1971-11-6 686 Napa 0.8 mi S of Angwin on Howell Mt. Rd. Comment
  CAS-BOT-BC271569  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa St. Helena, base of hills east of town Comment
  CAS-BOT-BC90961  Calycanthus occidentalis Mrs. H. C. Cantelow 1940-4-21 2993 Napa Monticello Grade. Comment
  CDA29117  Calycanthus occidentalis D. G. Kelch, Daniel Weinstein 2009-6-21 9 .443 Napa Near Skyline Park. Comment
  RSA602914  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  SBBG2303  Calycanthus occidentalis H. E. Cott 1949-5-22 A- 127 Napa St Hwy 37, ca. 15 mi N of Napa Comment
  UCD13154  Calycanthus occidentalis Kathleen Worden 1981-5-24 12 Napa Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. Comment
  UCD137917  Calycanthus occidentalis J. P. Smith; J. O. Sawyer 1970-5-17 3771 Napa 3 miles south of Pope Valley. Comment
  UCD137923  Calycanthus occidentalis Grady L. Webster 1990-4-28 7725 Napa south of Lake Hennessey, around 1 mile east of junction of Silverado Trail and Route 128. 100 Comment
  RSA95490  Calycanthus occidentalis L. S. Rose 1954-5-24 54050 Napa Summit, Wooden Valley grade, 6 miles N E of Napa along canyon streaams. Napa County Comment
  HSC74291  Calyptridium monospermum D. Goforth 1980-4-11 427 Napa Near Cedar Creek 579 Comment
  SD13654  Calyptridium monospermum Susan G. Stokes Aug 1910 Napa Old Baldy Comment
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Feb 17 2010
  UCD117787  Calystegia collina subsp. collina Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 405 Comment
  CAS-BOT-BC223617  Calystegia collina subsp. oxyphylla Lewis S. Rose 1934-5-23 34277 Napa N. slope Mt. St Helena Comment
  CAS-BOT-BC436420  Calystegia occidentalis Peter H. Raven 1952-5-29 4085 Napa Napa River, 1 mi. N of Napa 60 Comment
  UC1965405  Calystegia occidentalis R. K. Brummitt, B. Ertter and J. A. Ruygt 2012-6-16 22058 Napa Napa City, Alston Park near Dry Creek Road Comment
  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
  UCD126156  Calystegia occidentalis Jack Major 1961-6-13 544 Napa Monticello Dam, State Highway 128. Comment
  JEPS31645  Calystegia purpurata Willis L. Jepson 1893-5-2 14518 Napa e Calistoga (New Pope Valley grade, Napa River Basin); Napa River Basin, e of Calistoga Comment
  SBBG5771  Calystegia purpurata H. and M. Dearing 1939-5-3 3269 Napa Rutherford-Sage Cyn Rd Comment
  UCD48865  Calystegia purpurata A. Collier; D. Caterson and S. Kenady 2002-5-4 11 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 3 m. Moderate slope, E-facing. 341 Comment
  CAS-BOT-BC224631  Calystegia purpurata subsp. purpurata Ira L. Wiggins 1949-4-30 12080 Napa Between Calistoga and Middletown Comment
  UCD168575  Calystegia purpurata subsp. purpurata Stephen P. Rae; A. Solomeshch 2007-4-10 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD48871  Calystegia purpurata subsp. purpurata E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd.; on a SW-facing slope on upslope of road. 237 Comment
  JEPS47832  Calystegia subacaulis Willis L. Jepson 1893-4-24 14524 Napa Hills easr of St. Helena to Conn Valley, Napa River Basin Comment
  JEPS122760  Camissonia contorta Jake Ruygt 2007-5-17 5173 b Napa Wildlake Ranch, near Potato Hill. Quad: Calistoga. Comment
  HSC43993  Camissonia hirtella Robert M. Specht 1977-4-15 668 Napa Near edge of Rd. to Adams Creek 409 Comment
  UC924274  Camissoniopsis hirtella H. S. Reed 1940-3-23 325 Napa ridge w Oakville 152 Comment
  UCD48063  Camissoniopsis hirtella A. Haselby; M. Carson, S. Howard, P. Mayer 2000-4-29 8 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD54565  Camissoniopsis hirtella K. Walker; PLB 102 2006-5-13 7 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS33875  Campanula griffinii D. E. Breedlove 1963-5-29 5047 Napa 8 mi s Pope Valley Comment
  JEPS106560  Campanula prenanthoides Jake Ruygt 1978-7-2 376 Napa .75 miles west of HWY 29 on Diamond Mountain Road 146 Comment
  CAS-BOT-BC37584  Cardamine californica John H. Thomas 1966-3-22 11531 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 609 Comment
  CAS-BOT-BC37586  Cardamine californica John Thomas Howell 1931-4-4 6162 Napa Near Toll House, Mount St. Helena Region. Comment
  UCD74394  Cardamine californica Jake Ruygt 1992-4-5 2889 Napa Alston Park, Dry Creek Rd., Napa. 67 Comment
  JEPS106837  Cardamine californica var. cardiophylla Jake Ruygt 1982-1-24 1093 Napa 3.8 miles south of Monticello Rd. on Wooden Valley Rd. 121 Comment
  RSA15679  Cardamine californica var. integrifolia C. B. Wolf 1928-2-25 1489 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  CDA12075  Cardamine hirsuta G. F. Hrusa, J. Messina 1989-3-3 5880 Napa North Coast Biodiversity Arena; Hwy. 128 W of Monticello Dam (Lake Berryessa). Comment
  UCD114520  Cardamine hirsuta Michael A. Vincent; Ethan H. Freid 1998-4-7 8168 Napa along Route 128 at Road Marker 24\80. Comment
  UCD41309  Cardamine oligosperma Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 2 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
  UCD38974  Carduus pycnocephalus Beecher Crampton 1961-6-12 5897 Napa Wragg Canyon, Vaca Mts. along State Hwy. 128. Comment
  JEPS63517  Carex barbarae W. L. Jepson 1936-7-2 17664 Napa Angwin Meadow, Howell Mountain, Napa Range Comment
  JEPS121331  Carex barbarae Jake Ruygt 1980-4-6 826 Napa Yount Street, Yountville Comment
  JEPS63519  Carex barbarae W. L. Jepson 1934-10-19 16900 Napa Napa River near St. Helena Comment
  CAS-BOT-BC18902  Carex densa Joseph Prince Tracy 1938-6-5 15836 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's. 457 Comment
  POM118371  Carex densa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD161334  Carex densa Jake Ruygt 1982-4-25 1204 Napa Large meadow at base of Swartz Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  UCD161691  Carex densa Jake Ruygt 2010-5-20 5573 Napa Highway 29 north of Yount Mill Road, west side of road. (Coordinates converted from UTM data by label maker.) 45 Comment
  UCD161708  Carex feta Jake Ruygt 2010-6-26 5658 -b Napa Las Posadas State Forest, near public road. 518 Comment
  CAS-BOT-BC20851  Carex globosa John Thomas Howell 1941-4-5 16157 Napa Franz Valley. Comment
  CDA29152  Carex gracilior D. G. Kelch, Daniel Weinstein 2009-6-21 9 .45 Napa Near Skyline Park. Comment
  JEPS121328  Carex praegracilis Jake Ruygt 1996-5-14 3700 Napa White Cliff Springs; Elder Valley; (Sabini property). Comment
  CAS-BOT-BC117619  Carex serratodens R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6687 Napa Butts Canyon. 10 mi N of Howell Mt. Comment
  CAS-BOT-BC117621  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Hwy 128, above Capell Creek, N end of Capell Valley. Comment
  UC835992  Carex serratodens Mrs. H. C. Cantelow 1939-4-8 Napa 3 1/2 mi nw Knoxville Comment
  UCD161694  Carex subbracteata Jake Ruygt 2010-4-19 5509 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  CAS-BOT-BC116769  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa Crater Region E of Palisades. 762 Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 Comment
  SEINET13331028 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
  POM203724  Castilleja affinis J. T. Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  JEPS110636  Castilleja affinis subsp. affinis Jake Ruygt 2001-3-31 4303 Napa ridge between Newell and American Canyon; Newell Open Space 198 Comment
  JEPS57376  Castilleja affinis subsp. affinis L. R. Heckard and T. I. Chuang 1968-6-18 1943 Napa 2 mi below Ink Grade junction with Howell Mt. road (ne of Angwin) (Ink Grade) 457 Comment
  JEPS8681  Castilleja affinis subsp. affinis W. L. Jepson 1897-4-30 21364 Napa sw of Calistoga (Rebecca Grade); Upper Napa Valley Comment
  JEPS17072  Castilleja affinis subsp. affinis Rimo Bacigalupi with John Dawson 1955-4-25 4843 Napa about 0.75 mi w (below) Hennessey Lake Dam (along Conn Creek road) 79 Comment
  UC1334851  Castilleja ambigua subsp. ambigua L. D. Thurman 1964-4-24 427 Napa 5.5 mi n Napa (Silverado trail) Comment
  JEPS110634  Castilleja applegatei subsp. martinii Jake Ruygt 1998-5-20 3982 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 694 Comment
  RSA195298  Castilleja applegatei subsp. martinii Gilbert Muth 1967-5-17 680 Napa Oat Hill Road, Calistoga. 671 Comment
  UCD70470  Castilleja applegatei subsp. martinii P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, hillsides off hwy 128. 73 Comment
  JEPS5188  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4128 Napa Along State Highway No.29 from Calistoga to Middletown, 1.6 miles below (south of) road summit. Comment
  OBI54929  Castilleja applegatei subsp. martinii Kathleen Faustini 1980-5-4 27 Napa Monticello dam 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
  SEINET4208213  Castilleja applegatei subsp. pinetorum Richard R. Halse 2013-3-27 8753 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa.; 0 143 Comment
  JEPS110667  Castilleja attenuata Jake Ruygt 1977-5-1 207 Napa east of east end Westgate Dr., Silverado Country Club 198 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
  JEPS122741  Castilleja densiflora subsp. densiflora Jake Ruygt 2011-5-28 5798 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  JEPS9410  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 4 Napa Napa, hills sw Napa Comment
  UC138773  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena Comment
  UCD170838  Castilleja foliolosa 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. Above Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 200 Comment
  UCD48220  Castilleja foliolosa S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 28 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 487 Comment
  UCD48222  Castilleja foliolosa A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 8 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
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Jan 14 2009
  UCD48223  Castilleja foliolosa A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 7 Napa Yolo Co/ Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  UC147875  Castilleja minor subsp. spiralis J. P. Tracy 1905-7-6 2231 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  OBI9646  Castilleja minor var. spiralis Robert F. Hoover 1966-8-23 9935 Napa Butts Cyn, near Lake Co line Comment
  UCD170747  Castilleja pruinosa 1997-4-27 2 Napa Underneath a tree, on a mild slope. 0.6 miles east of the Yolo county line on Highway 128, on the slope next to a large turnout on Highway 128. Collector described locality as Napa County, but 0.6 miles E of the Yolo county line is in Yolo County. 295 Comment
  CDA11180  Castilleja rubicundula G. F. Hrusa 1988-4-16 5549 Napa North Coast Biodiversity Arena; 1 m. E of junction of Chiles Valley and Pope Valley Rds. Comment
  UC1222458  Castilleja rubicundula subsp. lithospermoides Joseph P. Tracy 1933-6-2 12485 Napa 3-4 mi e Angwin's (on hills at Head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Head of Moore's Cree 365 Comment
  UC194179  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1888 Napa Comment
  UC75151  Castilleja rubicundula subsp. lithospermoides C. F. Baker 1903-5-8 2965 Napa Knoxville Comment
  JEPS77483  Castilleja rubicundula subsp. lithospermoides Douglas W. James Jr. 1973-5-5 88 Napa Las Posadas State Forest; not far from the 4-H pool 335 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
  JEPS129060  Caulanthus flavescens Jake Ruygt 1993-5-1 3242 Napa Pocock Creek, north of Cedar Creek Road. Jericho Valley 7.5' Quad. Comment
  JEPS42323  Ceanothus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
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Jan 18 2009
  SBBG122272  Ceanothus confusus D. O. Burge 2008-6-1 1006 b Napa summit access rd, E slope of SE-most peak, Mount Saint Helena; Robert Louis Stevenson State Park 1000 Comment
  UC80037  Ceanothus confusus C. C. Parry 1881-1 Napa Calistoga Comment
  JEPS78441  Ceanothus cuneatus Edward Lee 1936-3-15 1824 Napa trip from Rutherford to Pope Valley Butt's Canyon Comment
  RSA41954  Ceanothus cuneatus H. C. Cantelow 1936-3-22 1139 Napa Howell Mt. Comment
  UC1607873  Ceanothus cuneatus C. G. Nast 1936-3-27 57 Napa Berryessa Valley Comment
  CDA35563  Ceanothus cuneatus T. C. Fuller 1962-3-27 7897 Napa North of Hwy. 128, 5 miles west of Monticello Dam. 0 Comment
  JEPS110720  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-3-30 2618 Napa crest of Oakville Grade 274 Comment
  CAS-BOT-BC49111  Ceanothus cuneatus var. ramulosus Ira L. Wiggins 1932-3-12 5766 Napa Hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC49798  Ceanothus divergens John Thomas Howell 1941-4-5 16159 Napa Franz Valley 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
  POM85919  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  RSA26416  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  SEINET12211279  Ceanothus divergens W. Knight, Schmidt, C. 1987-1 6058 Napa Kortum Canyon Road 274 Comment
  HSC18280  Ceanothus foliosus C. B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  HSC98204  Ceanothus foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 244 Comment
  JEPS42390  Ceanothus foliosus W. L. Jepson 1894-10-14 14020 a Napa near Calistoga (Rebecca Ranch grade) Comment
  OBI10525  Ceanothus foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 244 Comment
  OBI10527  Ceanothus foliosus H. E. McMinn 1936-4-4 4378 Napa Howell Mt 2 mi S of Angwin Comment
  CAS-BOT-BC50876  Ceanothus foliosus var. foliosus H. E. McMinn 1922-6-8 175 Napa Howell Mt. Comment
  CAS-BOT-BC50919  Ceanothus foliosus var. foliosus John Thomas Howell; Alice Eastwood 1939-6-11 7430 Napa Hills west of Calistoga Comment
  CAS-BOT-BC63746  Ceanothus incanus H. E. McMinn 1922-5-27 41 Napa Between Saratoga & Big Basin. Comment
  CAS-BOT-BC50788  Ceanothus integerrimus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC50790  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  SACT002931  Ceanothus integerrimus John Willoughby 1975-5-25 Napa This is the blue-flowering form which McMinn states is common in Lake County. Along BLM Road to Cedar Valley beginning north of Knoxville. Comment
  UCD162743  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1627 Napa Pope Canyon, S bank of Pope Creek. 644 Comment
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Dec 8 2016
  UCD169648  Ceanothus integerrimus Jake Ruygt 2014-5-6 5933 Napa Pope Creek about 1.4 mile east of Walter Springs bridge. 170 Comment
  RSA261436  Ceanothus jepsonii R. . F Denno 1967-4-15 50 Napa 1 mile N on lower Chiles Valley road of Hwy 128 Comment
  SBBG4343  Ceanothus jepsonii L. Rowntree 1930-7-15 Napa Sage Cyn Comment
  UCD144307  Ceanothus jepsonii G. F. Hrusa 1995-4-2 12049 Napa Along Hwy 128 approx. 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W. of Nichellini Winery. 250 Comment
  CAS-BOT-BC32695  Ceanothus jepsonii var. albiflorus John Thomas Howell 1937-7-18 13100 Napa Mt. St. Helena Creek, northern part of county Comment
  CAS-BOT-BC51129  Ceanothus jepsonii var. albiflorus Mrs. Cornelia S. Masters s.n. Napa mountains of Napa Co. Comment
  CDA11425  Ceanothus jepsonii var. albiflorus G. F. Hrusa, M. Tu 1995-5-6 12148 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  HSC60306  Ceanothus jepsonii var. albiflorus J. P. Smith, J. O. Sawyer 1970-5-17 3783 Napa 8 mi. N of Pope Valley 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
  UCD170194  Ceanothus oliganthus var. oliganthus Daniel Potter 2015-3-14 763 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 282 Comment
  CAS-BOT-BC51560  Ceanothus oliganthus var. sorediatus W. L. Jepson 1891-7-7 s.n. Napa in the Vaca Mts. Comment
  RSA22077  Ceanothus oliganthus var. sorediatus L. S. Rose 1939-4-16 39067 Napa 3 miles NE of Napa. 137 Comment
  UCD112304  Ceanothus oliganthus var. sorediatus Robert C. Bechtel 1952-4-20 70 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  CAS-BOT-BC53221  Ceanothus parryi Alice Eastwood 1915-6-5 4651 Napa Calistoga Comment
  CAS-BOT-BC53225  Ceanothus parryi John Thomas Howell 1931-4-2 6057 Napa Wooden Valley Grade 4.5 miles east of Napa Comment
  JEPS42392  Ceanothus parryi Willis L. Jepson 1893-5-6 14023 Napa Calistoga Comment
  UC79859  Ceanothus parryi Katharine Brandegee 1889-4 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  POM91088  Ceanothus parryi C. C. Parry 1888-1 s.n. Napa Calistoga. Comment
  CAS-BOT-BC52198  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 Comment
  RSA51338  Ceanothus purpureus Peter H. Raven 1950-4-15 1768 Napa Wooden Valley grade above Napa. 457 Comment
  RSA758696  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 905 c Napa Atlas Road, at roadside 5.7 road miles north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 degrees true north-northeast of Napa. 410 Comment
  SD143477  Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  UC728640  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa 5 mi from Napa on Monticello Road Comment
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Dec 31 2011
  UC870639  Ceanothus purpureus Lewis S. Rose Apr 1939 39069 Napa 4 mi NE of Napa 198 Comment
  UCD123869  Ceanothus purpureus D. O. Burge 2007-5-4 905 e Napa Atlas Road, at roadside 5.7 road miles (9.1 km) north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 deg. (True) NNE of Napa. 410 Comment
  UCD73418  Ceanothus purpureus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCR136719  Ceanothus purpureus L. S. Rose 1948-3-8 48010 Napa Wooden Valley Grade, 6 mi NE of Napa 183 Comment
  UC79913  Ceanothus velutinus T. S. Brandegee 1889-4 3 Napa Toll House Mt. St. Helena Comment
  UC1543130  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley Napa (n slope of George Mountain, along Sarco Creek); George Mountain, Sarco Creek 152 Comment
  RSA517740  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. Along Sarco Creek (?) 152 Comment
  NY444421  Centaurea solstitialis A. D. E. Elmer 07 1903 4943 Napa Napa Comment
  JEPS106535  Centaurium muehlenbergii Jake Ruygt 1998-7-26 4102 Napa .25 mile west of Mt. Veeder Road on Redwood Road 109 Comment
  JEPS46944  Centaurium trichanthum W. L. Jepson 1916-8-6 6836 Napa Howell Mt. Comment
  UC1198628  Centaurium trichanthum Joseph P. Tracy 1938-6-5 15829 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, Moores Creek 396 Comment
  UC763195  Centaurium trichanthum R. F. Hoover 1941-8-24 5580 Napa near Calistoga; Myrtledale Hot Springs Comment
  JEPS46941  Centaurium trichanthum W. L. Jepson 1897-7-12 14638 Napa Samuels Springs to Aetna Springs Comment
  UC1245376  Centaurium venustum J. P. Tracy 1950-5-23 18667 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek, La Jota Plateau 518 Comment
  UC73535  Centaurium venustum Miss M. Alice King Napa St. Helena Comment
  UCD63163  Centromadia fitchii Jake Ruygt 1981-7-23 1077 Napa Tully Canyon. 158 Comment
  CAS-BOT-BC272831  Centromadia parryi subsp. parryi Alice Eastwood; John Thomas Howell 1938-5-15 5519 Napa 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
  UC913083  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2715 Napa Calistoga Comment
  UC990568  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
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Aug 31 2011
  JEPS38159  Centromadia pungens subsp. pungens W. L. Jepson 1923-9-27 10209 Napa Suscol Hills Comment
  CAS-BOT-BC222943  Cephalanthus occidentalis Peter H. Raven 1952-6-28 4212 Napa Pope Cr. below Samuel's [Samuels] Springs 123 Comment
  UCD17984  Cerastium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-14 710 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-BC388229  Cerastium glomeratum Ira L. Wiggins 1928-3-25 2872 Napa 1 1/2 mi. N.E. of Calistoga Comment
  CAS-BOT-BC388230  Cerastium glomeratum Peter H. Raven 1953-4-2 5233 Napa Imola 60 Comment
  POM247250  Cercis occidentalis E. K. Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville road Comment
  CHSC79353  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UCD33088  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  SEINET5586406  Cercocarpus betuloides var. betuloides Richard R. Halse 2013-1 8754 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  UC859435  Cercocarpus betuloides var. betuloides Alice Eastwood, John Thomas Howell 1937-4-4 3831 Napa Grade e of Napa (Wooden Valley); Wooden Valley Comment
  JEPS106929  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1981-5-6 1014 Napa Zim Zim Falls 390 Comment
  JEPS34137  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1897-6-2 Napa Conn Valley Comment
  UCD149663  Chaenactis glabriuscula var. heterocarpha 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
  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
  CHSC102530  Chamaesyce serpillifolia subsp. serpillifolia Lowell 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. 130 Comment
  CHSC103011  Chamaesyce serpillifolia subsp. serpillifolia Lowell 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 soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS106426  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1991-6-29 2761 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 115 Comment
  JEPS116553  Cheilanthes covillei Jake Ruygt 2003-3-22 4478 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC68160  Cheilanthes intertexta Peter H. Raven 1951-6-10 2921 Napa Crater Region e. of Palisades 762 Comment
  CDA29723  Chenopodium ambrosioides M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 221 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS106825  Chenopodium ambrosioides Jake Ruygt 1978-9-19 416 Napa Napa River south of Trancas St., Napa 3 Comment
  JEPS59699  Chenopodium ambrosioides W. L. Jepson 1922-10-22 9835 Napa St. Helena Napa River (river bed) Comment
  SEINET5764001 Image available Chenopodium berlandieri H. S. Reed 1948-1 2012 Napa Berryessa Valley, Putah Creek Comment
  UCD161538  Chenopodium macrospermum Jake Ruygt 1991-9-23 2844 Napa Napa River, north of Slaughterhouse Point. 1 Comment
  JEPS106741  Chenopodium macrospermum var. halophilum Jake Ruygt 1993-10-24 3291 Napa near Fagan Slough. 0 Comment
  CDA3106  Chenopodium vulvaria Croxdale 1991-5-22 Napa 6071 Solano Avenue, north of Napa. 0 Comment
  JEPS126071  Chimaphila menziesii Jake Ruygt 1987-7-11 2068 Napa Between Rattlesnake Springs and Livermore Road. Detert Reservoir 7.5' Quad. Comment
  UCD160735  Chlorogalum pomeridianum Ellen Dean 2015-5-23 8787 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
  UC13725  Chlorogalum pomeridianum var. pomeridianum Willis L. Jepson July 1884 Napa Little Oak Comment
  CAS-BOT-BC238000  Chloropyron molle subsp. molle Gordon True; Catherine Best 1981-9-12 s.n. Napa At Logan Island 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
  UCD99835  Chorizanthe polygonoides var. polygonoides J. M. Tucker 1965-5-15 3827 Napa east side of Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  JEPS106527  Cicendia quadrangularis Jake Ruygt 1982-5-4 1226 Napa Suscol plain between Steel Mill and HWY 29 (221) 3 Comment
  JEPS35975  Cichorium intybus W. L. Jepson 1944-7-30 27544 Napa 3 mi s Yountville; Napa Valley Comment
  CAS-BOT-BC285219  Cichorium intybus John Thomas Howell 1940-5-19 15443 Napa Near Napa Comment
  CDA11426  Cirsium cymosum G. F. Hrusa, M. Tu 1995-5-6 12149 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  CAS-BOT-BC278017  Cirsium cymosum Peter H. Raven 1950-6-20 2560 Napa In the Napa Range between Conn Valley & Summit of Howell Mountain Comment
  JEPS59225  Cirsium cymosum var. cymosum Willis L. Jepson 1892-7 Napa Knoxville Mountain Region of Clear Lake Comment
  JEPS59118  Cirsium douglasii var. douglasii Willis L. Jepson 1892-8-1 Napa Napa Valley Comment
  CDA1303  Cirsium occidentale var. californicum R. Lawley 1968-5-4 s.n. Napa Oakville Grade Rd. Comment
  CAS-BOT-BC286571  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7426 Napa Hood Mt. Range sw. of Oakville Comment
  JEPS59313  Cirsium occidentale var. venustum W. L. Jepson 1936-7-6 17650 Napa Sage Canyon Napa Range, Sage Canyon Comment
  POM352174  Cirsium occidentale var. venustum T. Gertrude Williamson 1924-7-4 s.n. Napa Near St. Helena, Sulphur Springs 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
  CAS-BOT-BC160919  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1939-6-11 7421 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC32902  Clarkia breweri Dr. A. W. Saxe 1872-1-1 s.n. Napa Near the Geysers Comment
Read comments
Apr 3 2019
  RSA449282  Clarkia breweri Rockwell s.n. Napa St. Helena. 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
  UCD71256  Clarkia concinna Linda Coats 1983-6-3 54 Napa Lower Chiles Valley Road, 3 miles north of State Highway 128. 259 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
  CHSC59990  Clarkia concinna subsp. concinna Keith G. Weinstock 1975-5-26 37 Napa Lower Chiles Valley Road and Sage Canyon Road Intersection. Comment
  JEPS110767  Clarkia concinna subsp. concinna Jake Ruygt 1987-6-5 2021 Napa Wild Horse Valley Ranch, in canyon east of valley 463 Comment
  JEPS43613  Clarkia concinna subsp. concinna W. L. Jepson 1896-6-2 14426 Napa mouth Conn Valley (Conn Ridge); Napa Valley Comment
  UC130893  Clarkia concinna subsp. concinna Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade 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
  UC1234609  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa 1.9 mi s Lake County line (on Lower Lake-Knoxville road) Comment
  UCD164689  Clarkia gracilis subsp. tracyi L. P. Thibault 1995-6-2 61 Napa West side of Lower Chiles Valley Road. 0.25 miles northwest of Highway 128. 300 Comment
  UCD104850  Clarkia purpurea Alan P. Godlewski 1974-5-3 13 Napa West of Lake Berryessa. Comment
  JEPS110734  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1990-6-23 2598 Napa White Creek, Wild Horse Valley Ranch 402 Comment
  UC142974  Clarkia purpurea subsp. quadrivulnera Katharine Brandegee July 1910 Napa near Angwin Comment
  UCD81814  Clarkia purpurea subsp. quadrivulnera Ellen Dean 2009-4-24 5441 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC163825  Clarkia purpurea subsp. quadrivulnera Dr. E Goodman 1921-5-23 s.n. Napa Mt. St. Helena Comment
  JEPS43573  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1894-5-1 14344 Napa St, Helena Comment
  UCD167276  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1986-5-10 1759 Napa Devil's Canyon. 591 Comment
  JEPS110691  Clarkia unguiculata Jake Ruygt 1989-5-7 2302 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD105088  Clarkia unguiculata L. P. Thibault 1995-5-19 38 Napa Northside of Highway 128, N of Lake Solano, approx. 2-3 miles E of Monticello Dam. 125 Comment
  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
  JEPS43271  Claytonia gypsophiloides W. L. Jepson 1897-5-2 Napa near Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  UC634937  Claytonia gypsophiloides H. L. Mason 1926-3-3 2716 Napa Mt. St. Helena Comment
  UCD100506  Claytonia gypsophiloides J. M. Tucker 1953-3-26 2637 Napa slope overlooking Highway 29, Mount Saint Helena, 5.2 miles (by road) north of 'city limit' sign on north side of Calistoga. Comment
  JEPS112611  Claytonia parviflora subsp. parviflora Jake Ruygt 1989-4-8 2253 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 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
  UCD49142  Claytonia parviflora subsp. parviflora S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  UCD41465  Claytonia perfoliata Ellen Dean; Deborah Canington 2003-3-1 1362 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road by running stream. 182 Comment
  SEINET9353890  Claytonia perfoliata Unknown 1977-4-16 7 Napa Napa County Comment
  CAS-BOT-BC439941  Claytonia perfoliata subsp. mexicana Peter H. Raven 1954-2-22 6405 Napa Orchard at west end of Saint Helena 60 Comment
  JEPS77941  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1797 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  CDA10866  Collinsia heterophylla G. F. Hrusa, M. Rejmanek 1993-5-15 10961 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  RSA195300  Collinsia heterophylla Gilbert Muth 1967-5-17 679 Napa Oat Hill Road, Calistoga. 244 Comment
  UC1196847  Collinsia heterophylla Joseph P. Tracy 1902-5-21 12484 Napa 3-4 mi e of Angwins (Howell Mountain, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  UCD48210  Collinsia heterophylla S. Olmsted; A. Atamian, R. Brush, C. Owens, M. Furuyama 2000-4-29 17 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  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
  UC1238964  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-20 837 Napa North Coast Ranges, Wooden Valley Wooden Valley; North Coast Ranges, Wooden Valley Comment
  UC1196825  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1933-4-30 12099 Napa 3-4 mi e Angwin (head of Moore's Creek, on hills); North Coast Ranges, Howell Mtn, Moore's Creek 396 Comment
  UC885508  Collinsia sparsiflora var. sparsiflora Alice Eastwood 1922-5-5 11290 Napa Mount St. Helena Comment
  JEPS112527  Collinsia tinctoria Jake Ruygt 1978-5-21 325 Napa 2.2 miles north of Chiles-Pope Valley Rd on Sage Canyon Rd. 134 Comment
  JEPS7296  Collinsia tinctoria Alice King Jul 1919 Napa Van Ness Ranch , Mt. St. Helena (Mt. St. Helena) Comment
  JEPS7295  Collinsia tinctoria W. L. Jepson 1904-6-4 2451 a Napa Keller Ranch, Calistoga Keller Ranch Comment
  HSC81609  Collomia diversifolia Thomas W. Nelson, Jane P. Nelson 1980-5-3 5145 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  RSA304647  Collomia diversifolia D. H. Wilken 1973-5-6 11924 Napa Along Copell Creek, 4 miles N of Moskowite Corner, E of Red Mountain 305 Comment
  UCD18066  Collomia diversifolia Ellen Dean; with Plant Biology 102 class 2000-4-22 621 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCSC009039  Collomia diversifolia Dylan M. Neubauer 2015-4-26 141 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UC908766  Collomia heterophylla P. B. Kennedy 1929-5-23 Napa Moore Creek Howell Mountain Comment
  UCD127324  Conium maculatum R. Tofsrud Date unknown s.n. Napa location unknown. Comment
  JEPS122707  Conyza canadensis Jake Ruygt 1989-10-2 2419 Napa South Shore of Lake Hennessey along Sage Canyon Road. Quad: Yountville. Comment
  JEPS7005  Cordylanthus mollis subsp. mollis Peter H. Raven 1952-8-26 5138 Napa salt marshes Bentley Wharf 15 Comment
  UCD123103  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  JEPS62599  Cordylanthus pilosus subsp. pilosus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 C Napa just s Napa and Lake County line (on US Hwy 29) Comment
  JEPS69349  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang and Carl Chuang 1972-7-22 7073 Napa 2 mi n St. Helena (summit of route 29) Comment
  UC762585  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena Comment
  UC1357611  Cordylanthus pringlei R. F. Hoover 1966-8-23 9922 Napa 0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC238222  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa East side of Mt. St. Helena Comment
  JEPS112549  Cordylanthus tenuis subsp. brunneus Jake Ruygt 1986-6-1 1802 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 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
  JEPS106396  Cornus glabrata Jake Ruygt 1990-5-19 2552 Napa Napa River about 1/4 mile north of Trancas Street, Napa 4 Comment
  JEPS50114  Cornus glabrata W. L. Jepson 1893-9-21 14149 Napa Wooden Valley Comment
  UC723833  Cornus glabrata Joseph Andorfer Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. s. Monticello; Steel Canyon Comment
  UCD32569  Cornus glabrata Beecher Crampton 1954-5-20 1920 Napa 3 miles east of Rutherford, along highway 128, Sage Canyon, Conn Creek. Comment
  JEPS50157  Cornus nuttallii W. L. Jepson 1894-10-14 14141 Napa Rebecca Ranch grade s.w. of Calistoga Comment
  JEPS50159  Cornus nuttallii W. L. Jepson 1924-4-27 10385 a Napa Mt. St. Helena Comment
  OBI15276  Cornus nuttallii H. E. McMinn 1936-4-4 4382 Napa Howell mt, near Bird reguge Comment
  UCD161226  Cornus nuttallii Jake Ruygt 2003-4-11 4495 Napa Howell Mtn. Rd. near Ink Grade Rd. (Coordinates estimated by label maker at UC Davis). 560 Comment
  JEPS106394  Cornus sericea subsp. sericea Jake Ruygt 1998-6-13 4022 Napa Milliken Creek south of Foss Valley. 405 Comment
  JEPS126115  Corylus cornuta subsp. californica Jake Ruygt 1987-5-16 1992 b Napa Bismark Knob. Sonoma 7.5' Qua. Comment
  UCD110076  Corylus cornuta subsp. californica Baki Kasapligil 1964-4-11 3458 Napa Angwin 7 miles east of St. Helena, Howell Mt. Ca. 1700 along creek. Comment
  UCSB27481  Corylus cornuta subsp. californica Havlik, Neil 1969-6-29 Napa Along State Highway 29, on the northeast slope of Mount St. Helena, about 2 miles south fo the Napa-Lake County Line Comment
  JEPS106938  Cotula australis Jake Ruygt 1979-2-22 433 Napa west slope of Mt. George near Mt. George Ave. 91 Comment
  UC166028  Crassula aquatica Joseph P. Tracy May 15 1903-May 18 1903 1854 1/2 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD73393  Crassula connata 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
  JEPS117993  Crepis pulchra Zoya Akulova-Barlow 2011-5-22 Napa South of Youngtville, between Solano Avenue and rail road. Comment
  UC1299209  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1946-8-21 1844 Napa near Knoxville; North Coast Ranges Comment
  JEPS115739  Crypsis schoenoides Lowell Ahart 2009-10-12 16462 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  UCD59925  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  UCR146405  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  CAS-BOT-BC189250  Cryptantha John H. Thomas 1958-4-19 7125 Napa About 2 miles SW of Oakville 152 Comment
  JEPS106757  Cryptantha flaccida Jake Ruygt 1986-4-12 1692 Napa Devil's Canyon 533 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
  UCD119788  Cryptantha flaccida K. Esau 1934-5-8 s.n. Napa Putah Canyon. Comment
  UC1278112  Cryptantha hispidula Beecher Crampton 1954-5-20 1929 Napa ca 8 mi sw Monticello (along State Hwy 128) Comment
  UCD164838  Cryptantha microstachys Jake Ruygt 2012-5-12 5843 Napa Crystal Flats, west of Putah Creek. 182 Comment
  UCD54566  Cryptantha muricata K. Walker; PLB 102 2006-5-13 4 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  HSC43990  Cryptantha rostellata Robert M. Specht 1977-4-19 684 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  UC175784 Image available Cryptantha torreyana var. calistogae Joseph P. Tracy 1904-5-23 2094 Napa hills e Calistoga; Northern Coast Ranges; hills E of Calistoga, Napa Co. 243 Comment
  SEINET10569440  Cupressus Fisher 1881-1 Fisher s.n. Napa Calistoga Comment
  CAS-BOT-BC80721  Cupressus macnabiana David D. Keck 1931-4-3 1101 Napa Two miles NE of Aetna Springs, northern Napa county Comment
  JEPS39747  Cupressus macnabiana W. L. Jepson 1933-10-8 16553 Napa Knoxville Ridge, ne Napa county Knoxville Ridge Comment
  SEINET3930653  Cupressus 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.; 0 350 Comment
  UC144147  Cupressus macnabiana W. J. V. Osterhout 1909-1-1 Napa St. Helena Crater Comment
  UCD133544  Cupressus macnabiana J. Street 1950-6-12 s.n. Napa Northern Napa County. Comment
  RSA0020853  Cupressus macnabiana David J. Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  RSA92799  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa Knoxville. 457 Comment
  CAS-BOT-BC85483  Cupressus sargentii John Thomas Howell 1927-8-24 3050 Napa Moist, rocky stream-bottom, Butts Valley, on Pope Valley-Middletown road, Napa Range Comment
  CHSC34822  Cupressus sargentii M. S. Taylor; E. Pierce 1981-5-17 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi s of Lake county line. Comment
  RSA352387  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 457 Comment
  UC578055  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calisoga-Middletown 3 mi e St. Helena; Calistoga Quadrangle Comment
  UCD167649  Cupressus sargentii Andrew Fulks 2015-3-21 s.n. Napa Cedar Roughs Wilderness Area, west of Lake Berryessa. 552 Comment
  UCD160705  Cuscuta Ellen Dean; Jake Ruygt 2015-5-23 8764 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD170283  Cuscuta brachycalyx Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 823 Napa Knoxville Wildlife Area, north of Nevada Creek. 481 Comment
  CAS-BOT-BC224539  Cuscuta californica Peter H. Raven 1952-6-28 4205 Napa Conn Valley 152 Comment
  UCD160702  Cuscuta howelliana Ellen Dean; Jake Ruygt 2015-5-23 8761 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  UCD170291  Cuscuta howelliana Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 831 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  JEPS116546  Cuscuta occidentalis Jake Ruygt 1990-5-12 2540 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  JEPS116544  Cuscuta pentagona Jake Ruygt 2008-8-16 5366 Napa Big Ranch Road, south of El Centro Ave. Van Winden property, pond. Napa 7.5' Quad. Comment
  JEPS116523  Cuscuta subinclusa Jake Ruygt 1991-7-27 2805 b Napa North of the Southern Crossing, Highway 29 Horseshoe Island. Napa 7.5' Quad. Comment
  JEPS47141  Cuscuta subinclusa Willis L. Jepson 1901-8-6 1735 Napa St. Helena Napa River Basin, Howell Mt. Comment
  RSA195286  Cynoglossum grande Gilbert Muth 1967-4-19 603 Napa Aetna Springs Road. 305 Comment
  RSA611429  Cynoglossum grande Joseph A. Ewan 1934-3-18 8661 Napa Steel Canyon. Comment
  CDA1948  Cynosurus echinatus G. Breuer Jul 1957 Napa Calistoga. 0 Comment
  UC1177100  Cynosurus echinatus Peter H. Raven 1950-6-20 2352 Napa Howell Mountain Comment
  UCD20706  Cyperus eragrostis Mark Bibbo 2002-7-28 76 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  CAS-BOT-BC114679  Cyperus eragrostis Kate E. Phelps 1930-7-1 s.n. Napa Sanitarium Comment
  JEPS64097  Cyperus eragrostis W. L. Jepson 1938-10-1 19049 Napa e. slope Mt. St. Helena (just beyond pass (Molly Patton Inn)) Comment
  JEPS115780  Cyperus erythrorhizos Lowell Ahart 2009-10-27 16496 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  RSA755364  Cyperus erythrorhizos L. Ahart 2009-10-12 16458 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
  UCD20705  Cyperus erythrorhizos Mark Bibbo 2002-7-28 75 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  UCR146402  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  UCR263782  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa North Coast Ranges, Lake Hennesy c. 15 air miles north-northwest of Napa, on Conn Creek, east of boat-launching ramp on southeast edge. 91 Comment
  CAS-BOT-BC114170  Cyperus squarrosus Peter H. Raven 1951-6-10 2933 Napa Crater Region E of Palisades. 762 Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  SEINET893038  Cytisus canariensis David Lawfer 1952-1 154 Napa Napa. Comment
  JEPS122992  Danthonia californica Jake Ruygt 1982-5-4 1225 a Napa Suscol plain between Kaiser and Highway 29 (221). Quad: Napa. Comment
  JEPS110736  Datura stramonium Jake Ruygt 1987-5-27 2018 Napa Buchli Station, DFG- Huichica Creek property 1 Comment
  CHSC102261  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS104558  Daucus carota Jake Ruygt 1979-6-18 706 Napa .5 mile north of Maple Lane on HWY 29 106 Comment
  UC1195188  Daucus carota J. H. Thomas 1960-8-29 8839 Napa ca. 1 mi. n. Calistoga (along Hwy. 53) Comment
  RSA140818  Daucus carota John H. Thomas 1960-8-29 8839 Napa About 1 mile north of Calistoga along highway number 53 Comment
  JEPS104563  Daucus pusillus Jake Ruygt 1984-5-5 1546 Napa ridge north of Bell Canyon Comment
  UC9220  Delphinium Willis L. Jepson 1893-5-2 Napa Pope Valley grade Napa River Basin 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
  JEPS6234  Delphinium hesperium Willis L. Jepson 1893-6-26 21393 Napa grade to Howell Mt. Napa River Basin Comment
  UC467768  Delphinium hesperium subsp. hesperium H. P. Chandler 1907-5-26 7590 Napa White Sulphur Spring St. Helena Comment
  CAS-BOT-BC10111  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  UCD48155  Delphinium hesperium subsp. pallescens R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 28 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  CAS-BOT-BC10108  Delphinium hesperium subsp. pallescens Milo Samuel Baker 1932-4-26 5692 Napa Pope Creek Road perhaps 12 to 15 mi. from Monticello Comment
  JEPS13748  Delphinium hesperium subsp. pallescens Frank W. Gould 1939-4-7 620 Napa one mile North of Knoxville on road to Lower Lake 457 Comment
  CAS-BOT-BC9816  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC9818  Delphinium nudicaule C. F. Baker 1903-4-20 2620 Napa Mt. St. Helena Comment
  UC130936  Delphinium nudicaule Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  UCD170216  Delphinium nudicaule Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 741 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 330 Comment
  UCD95880  Delphinium nudicaule Heidi E. M. Dobson 1978-4-8 296 Napa East slope of Mt. Veeder. Comment
  CAS-BOT-BC9814  Delphinium nudicaule John Thomas Howell 1926-3-20 1697 Napa Old toll toad to Mt. St. Helena Comment
  RSA59829  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa among brush of side gulch, Sarco Creek, 5 miles above Napa Comment
  RSA10655  Delphinium patens Carl B. Wolf 1928-5-3 1834 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  RSA195349  Delphinium patens Gilbert Muth 1967-5-19 697 Napa Milliken Dam. 335 Comment
  UC635351  Delphinium patens A. E. Borell 1928-4-13 123 Napa ten mi s Petaluma Comment
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Apr 19 2013
  UCD32413  Delphinium patens Beecher Crampton 1950-5-7 568 Napa Napa County, east side of Napa Valley, along Silverado Trail, along roadside entering southern portion of Conn Valley. 68 Comment
  CAS-BOT-BC116497  Delphinium patens subsp. patens Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC116490  Delphinium patens subsp. patens P. H. Raven 1957-5-6 10775 Napa Hills at western edge of Calistoga 182 Comment
  CAS-BOT-BC116496  Delphinium patens subsp. patens Alice Eastwood 1930-6-8 6815 Napa On the old Toll Road below Pattens's, Mt. St. Helena region Comment
  JEPS23343  Delphinium uliginosum J. P. Tracy 1899-6-13 354 Napa Howell Mt. Comment
  RSA400120  Delphinium uliginosum Robert Gustafson, Don Reynolds 1983-6-7 2735 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UCD141587  Delphinium uliginosum Ellen Dean 2013-4-27 7708 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  CAS-BOT-BC7912  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville 243 Comment
  CAS-BOT-BC7907  Delphinium variegatum Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Road, near Napa Comment
  SBBG2218  Delphinium variegatum subsp. variegatum H. and M. Dearing 1939-4-29 3228 Napa Conn Valley Comment
  CDA24247  Delphinium variegatum subsp. variegatum T. C. Fuller 1958-5-1 3722 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  RSA0110255  Delphinium variegatum subsp. variegatum E. K. Balls 1952-5-8 17117 Napa 4 miles N along Hwy 29 from jct of Hwy 28 and 29 at Woodleaf. Comment
  UC160941  Delphinium variegatum subsp. variegatum Joseph P. Tracy 1902-5-20 1566 Napa lower slopes of mt. near St. Helena; Northern Coast Ranges, Howell Mt. 304 Comment
  UC1196301  Dendromecon rigida J. P. Tracy 1899-6-19 406 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  POM242806  Dendromecon rigida subsp. rigida Lyman Benson 1929-9-30 1930 Napa Mt. St. Helena 610 Comment
  CAS-BOT-BC198144  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa Napa Valley near Calistoga 91 Comment
  JEPS122990  Deschampsia danthonioides Jake Ruygt 1996-4-11 3592 Napa Calistoga Airport. Quad: Calistoga. Comment
  UC187274  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa near Calistoga Northern Coast Ranges, Napa Valley 91 Comment
  JEPS122986  Deschampsia elongata Jake Ruygt 1992-5-6 2952 Napa Mitten Lake, Wild Horse Valley Ranch. Quad: Mount George. Comment
  CAS-BOT-BC43417  Descurainia sophia Peter H. Raven 1953-5-2 5361 Napa Along railroad tracks, Yountville. 76 Comment
  JEPS110779  Dicentra chrysantha Jake Ruygt 1998-6-24 4050 Napa On ridge above Apple Tree Canyon, Blue Ridge. 542 Comment
  CAS-BOT-BC599  Dicentra formosa subsp. formosa P. H. Raven 1953-4-2 5294 Napa Tulucay Creek 243 Comment
  UC143048  Dichelostemma capitatum C. F. Baker 1903-4-20 2612 Napa Mt. St. Helena Comment
  CAS-BOT-BC499417  Dichelostemma capitatum Ira L. Wiggins 1928-3-24 2864 Napa Grade on road to Lake Co. above Colistoga Comment
  JEPS64160  Dichelostemma capitatum W. L. Jepson 1893-3-13 20967 Napa e of St. Helena Comment
  UCD169882  Dichelostemma capitatum subsp. capitatum Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 728 Napa Knoxville Wildlife Area. 352 Comment
  UC765931  Dichelostemma congestum R. F. Hoover 1941-4-26 4924 Napa Pope Valley Comment
  UCD139265  Dichelostemma volubile Rolf Y. Berg 1963-6-1 s.n. Napa south side of Lake Berryessa, ca. 4 miles west of Monticello Dam, State Highway 128. Comment
  SEINET13693732  Diplacus aurantiacus R. R. Halse 1989-5-13 3833 Napa Along State Hwy 29 on the Calistoga Grade, ca 2.5 miles N of Calistoga. 240 Comment
  CAS-BOT-BC151960  Diplacus douglasii Maxine Wilkes 1940-5-1 s.n. Napa Headwaters of St. Helena Creek Comment
  CAS-BOT-BC153411  Diplacus layneae Alice Eastwood 1915-6-6 4674 Napa Mt. St. Helena Comment
  SBBG28903  Diplacus layneae M. S. Baker 1947-7-7 11849 Napa St. Helena Range, ca. 1.5 mi S along Wood Rd from Mt St. Helena Inn 914 Comment
  JEPS8807  Dipsacus fullonum W. L. Jepson 1936-5-30 17563 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  CDA6690  Dipsacus fullonum Margaret Bellue 1933-5-2 Napa 0 Comment
  JEPS126108  Dipsacus sativus Jake Ruygt 1992-7-14 3094 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Qua. Comment
  SBBG115721  Distichlis spicata B. Crampton 1962-5-8 6412 Napa ca. 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  CDA34681  Dittrichia graveolens L. Ahart 2009-10-27 16503 Napa Intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 miles (air) west of Winters. Comment
  JEPS9524  Dodecatheon hendersonii Willis L. Jepson 1893-3-13 14587 Napa hills e St. Helena (Napa River Basin); , e of St. Helena Comment
  UC105761  Dodecatheon hendersonii Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UC22378  Dodecatheon hendersonii W. L. Jepson 1896-2-22 Napa Howell Mt. Comment
  UCD118841  Dodecatheon hendersonii Heidi E. M. Dobson 1978-4-8 300 Napa East slope of Mt. Veeder. Comment
  UCD73390  Dodecatheon hendersonii Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UCD14887  Dodecatheon hendersonii Chris Chan 1991-3-28 2 Napa California, Napa Co.; at Lake Berryessa, just west of Monticello Dam, along Highway 128; 203 Comment
  JEPS106562  Downingia concolor var. concolor Jake Ruygt 1986-4-26 1733 Napa 4.5 miles northof Westgate Dr. on Atlas Peak rd. 446 Comment
  UCD19949  Draba verna Ellen Dean; Virginia Boucher 2002-2-28 892 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  UCD49140  Drymocallis glandulosa var. glandulosa Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Tom Liebmann 2001-4-28 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Bay Trail, ca. 1/8 mile from the end of the lake inlet. 146 Comment
  JEPS60038  Dryopteris arguta W. L. Jepson 1936-7-2 17646 Napa Angwin Meadow Howell Mts; Napa Range Comment
  RSA137332  Dryopteris arguta I. L. Wiggins 1957-6-18 14121 Napa Jst north of Calistoga Comment
  RSA693749  Dryopteris arguta B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  JEPS49907  Dudleya caespitosa W. L. Jepson 1924-5-8 10418 a Napa Pope Creek 304 Comment
  CLARK-A1528-4596  Echinochloa crus-galli John C. Roos 1939-5-7 262 Napa Angwin Comment
  SEINET6836772 Image available Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan Halfway Station (between Calistoga and Mount Saint Helena); near pumping plant 111 Comment
  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
  JEPS121358  Eleocharis acicularis var. acicularis Jake Ruygt 1984-5-1 1534 Napa Suscol Hill east of Hwy 29 (221); SE of Rocktram Comment
  JEPS121339  Eleocharis acicularis var. bella Jake Ruygt 1991-6-29 2747 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  UCD161710  Eleocharis engelmannii Jake Ruygt 2010-8-7 5699 Napa Friesen Lakes, Dear Lake. 594 Comment
  UCD147528  Eleocharis macrostachya Ellen Dean; Diana Hickson 2014-4-29 8082 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CAS-BOT-BC112222  Eleocharis rostellata Peter H. Raven 1957-5-5 10753 Napa Near hot springs runoff, Calistoga 91 Comment
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  RSA128741  Elymus glaucus P. H. Raven 1950-5-6 2010 Napa Shaded place above where the w. branch of the Napa R. Meets Rt. 29, ca. 1 mile N of Calistoga Comment
  UCD61848  Elymus glaucus M. Wiesendanger 1927-5-4 702 Napa Monticello, Napa Road. Comment
  CAS-BOT-BC203595  Elymus glaucus subsp. glaucus J. Clausen 1935-5-23 1072 b Napa Howell Mountain, near summit, 6.5 mi. N. of St. Helena Comment
  JEPS76093  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-24 18851 Napa plateau n Four Corners; Napa Range, Howell Mountain 762 Comment
  UCD62718  Elymus trachycaulus Beecher Crampton 1954-10-26 2301 Napa Conn Reservoir, 4 miles east of Rutherford. Comment
  JEPS110832  Emmenanthe penduliflora Jake Ruygt 1979-5-16 601 Napa 5.8 miles east of Monticello Rd. on HWY 128 304 Comment
  UCD41467  Epilobium brachycarpum Ellen Dean; Deborah Canington 2003-3-1 1364 Napa Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road. In uplands, north side of stream near fallen decaying tree. 182 Comment
  SD7370  Epilobium brachycarpum Daniel Cleveland 1882-8-28 Napa Springs (see supplement) Comment
  JEPS110700  Epilobium campestre Jake Ruygt 1996-6-23 3753 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  JEPS122727  Epilobium campestre Jake Ruygt 1982-6-13 1323 Napa Pope Canyon Road at large vernal pool. Quad: St. Helena. Comment
  JEPS110702  Epilobium densiflorum Jake Ruygt 1992-7-4 3065 Napa ild Horse Valley Ranch, Johnsons Meadow 420 Comment
  SEINET215007  Epilobium minutum Darla Gettman 1974-4-13 4 Napa Wallace Hardin Ranch 3.9 miles northeast of Pope Canyon Road and Chiles Valley Road intersection. 244 Comment
  SEINET7072772 Image available Epilobium minutum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UCD20763  Epipactis gigantea M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 114 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
  JEPS120437  Epipactis gigantea Jake Ruygt 1980-5-21 896 Napa 4.2 miles north of Monticello Rd. on HWY 128. Comment
  UCD167052  Equisetum laevigatum Jake Ruygt 1991-5-11 2663 Napa Scott's Flat, Aetna Mine Road. 481 Comment
  JEPS115966  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 437 Comment
  UCD20707  Eragrostis hypnoides Mark Bibbo 2002-7-28 77 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  UCD116241  Eremalche parryi Eric S. Nagy 1990-4-29 005 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  JEPS106424  Eremocarpus setiger Jake Ruygt 1978-6-11 347 Napa 1.5 miles north of Silverado Trail on Soda Canyon Rd. 60 Comment
  UC87288  Ericameria arborescens T. S. Brandegee 1892-8-18 Napa Petrified Forest Comment
  JEPS120418  Ericameria arborescens Jake Ruygt 2010-8-21 5744 Napa Mt. St. Helena; fire road at intersection with private driveway. Comment
  JEPS120425  Erigeron biolettii Jake Ruygt 2010-6-19 5610 f Napa End of Cedar Creek / Pocock Creek Rd. Comment
  JEPS106947  Erigeron foliosus var. franciscensis Jake Ruygt 1990-6-9 2589 b Napa Arrowhead Mountain 228 Comment
  UC604619  Erigeron greenei Joseph P. Tracy 1938-8-7 16089 Napa Soda Creek Canyon Napa Valley, Soda Creek Canyon 91 Comment
  UCD160747  Erigeron reductus var. angustatus Ellen Dean 2015-5-23 8799 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. 243 Comment
  CAS-BOT-BC216032  Eriodictyon californicum R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6672 a Napa 7 mi. NE of Pacific Union college (Howell Mt.) on road to Aetna Springs Comment
  RSA201835  Eriodictyon californicum Stephen Willeford 1964-5-1 4 Napa East side of State Highway 128, 3 miles southwest of Monticello Dam. 183 Comment
  UCD119300  Eriodictyon californicum M. R. Wanzer 1948-5-16 16 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  UCD159950  Eriodictyon californicum 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
  UCD49081  Eriodictyon californicum A. Collier; D. Caterson and S. Kenady 2002-5-4 7 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 1/2 meter. 342 Comment
  CAS-BOT-BC242606  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  CAS-BOT-BC242607  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  JEPS110771  Eriogonum dasyanthemum Jake Ruygt 1969-12-31 2605 Napa north end of Wooden Valley 231 Comment
  UC419723  Eriogonum gracile Mrs. H. P. Bracelin 1930-10-19 110 Napa near entrance Conn Creek; Sage Canyon Comment
  POM105142  Eriogonum luteolum Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  JEPS19661  Eriogonum luteolum W. L. Jepson 1934-10-16 16893 Napa in vineyard below Four Corners; Howell mt. Comment
  JEPS129041  Eriogonum luteolum var. luteolum Jake Ruygt 2016-6-5 6275 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  JEPS129116  Eriogonum luteolum var. luteolum Jake Ruygt 2015-7-4 6144 Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UC912829  Eriogonum luteolum var. luteolum Lewis S. Rose 1939-8-20 39357 Napa 6 mi e Rutherford; Chiles Creek Canyon 213 Comment
  UCD164784  Eriogonum luteolum var. luteolum Jake Ruygt 2009-6-18 5441 Napa Chiles-Pope Valley Rd. 286 Comment
  UCD48085  Eriogonum luteolum var. luteolum Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 35 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles South of Berryessa-Knoxville Rd. Along east side of Devilhead Rd, 1 st ridge south of Devilhead Rd. 518 Comment
  SEINET3405146 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts Comment
  UC419722  Eriogonum luteolum var. luteolum Mrs. H. P. Bracelin 1930-10-19 109 Napa near entrance to (Conn Creek) Sage Canyon Comment
  CAS-BOT-BC268976  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  SBBG1534  Eriogonum nudum var. nudum J. M. Tucker 1941-9-20 395 Napa Putah Cyn; Vaca Range Comment
  JEPS56611  Eriogonum nudum var. oblongifolium Willis L. Jepson 1893-9-23 20992 Napa above Calistoga; Upper Napa Valley, Napa River Basin Comment
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  JEPS120314  Eriogonum umbellatum var. smallianum Jake Ruygt 1998-7-11 4083 Napa Blue Ridge, about 1.5 miles north of Mays Flat. Knoxville 7.5' Quad. Comment
  JEPS56163  Eriogonum vimineum Willis L. Jepson 1893-9-24 Napa Angwin's Meadow Howell Mt., Angwin's Meadow Comment
  JEPS106951  Eriophyllum confertiflorum Jake Ruygt 1991-6-1 2711 Napa Mt. St. John, fire trail 502 Comment
  CAS-BOT-BC301052  Eriophyllum lanatum var. achilleoides L. R. Abrams 1928-5-4 12284 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC301060  Eriophyllum lanatum var. achilleoides Robert M. King 1980-7-9 8418 Napa 2-3 miles north of Calistoga Comment
  CAS-BOT-BC301046  Eriophyllum lanatum var. achilleoides S. Saufferer 1973-5-24 222 Napa About 5 mi. northeast of Calistoga along Highway #29 Comment
  CAS-BOT-BC301047  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa On the Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  UCD18170  Erodium botrys 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
  JEPS106855  Erodium cicutarium Jake Ruygt 1991-4-20 2630 Napa Cooksley Lake, Friesen's Lakes,Angwin 615 Comment
  UCD16045  Erodium cicutarium R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 28 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown clay, moist soil, near river, flat ground, sunny. Herb, 8-13 cm tall, flowers lavender. Comment
  UCD48039  Erodium cicutarium Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 1 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd, 1st ridge south of Devilhead Rd. 518 Comment
  JEPS2584 Image available Eryngium petiolatum W. L. Jepson 1893-9-25 14279 Napa Yountville Napa River Basin; Yountville, Napa River Basin Comment
  CAS-BOT-BC54301  Erysimum capitatum John Thomas Howell 1926-3-21 1738 Napa Old toll road to Mount Saint Hellena. Comment
  CAS-BOT-BC54305  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Knoxville. Comment
  UC10529  Erysimum capitatum Willis L. Jepson 1893-5-4 Napa trail to summit Napa River Basin, Mt. St. Helena Comment
  UC917132  Erysimum capitatum W. M. Grannell 1950-4-27 2 Napa rocky hillside Putah Canyon Comment
  JEPS106783  Erysimum capitatum var. capitatum Jake Ruygt 1995-4-24 3440 Napa 1.6 mi. south of Lake Hennessey on road to Taylor/ Chapallet 396 Comment
  POM182752  Erysimum capitatum var. capitatum D. D. Keck 1931-4-2 1031 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  POM225553  Erysimum capitatum var. capitatum J. T. Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. 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
  NY319670  Erythronium helenae E. I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  UC13786  Erythronium helenae Miss Armstrong Mar. 1900 Napa Oa<t?> Hill Comment
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May 1 2014
  SEINET10528927  Erythronium pluriflorum James R. Shevock, Jim A. Bartel 1988-7-2 Shevock 11844 Napa Common along the north and northeast slope of Shuteye Peak on granitic rocky slopes, subalpine coniferous forest, T7S R23E, sect 2N 1/2. Chiquito Ridge, San Joaquim River drainage, Sierra National Forest. Associated with Saxifraga bryophora, Lomatatium torreyi and Sorbus californica. 8250 feet. Comment
  JEPS51748  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  CAS-BOT-BC403339  Eschscholzia californica Mrs. H. C. Cantelow 1939-4-8 2514 Napa 3 1/2 mi. N.W. of Knoxville Comment
  UC126645  Eschscholzia californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7132 Napa Alta Loma Ranch Howell Mountain 487 Comment
  HSC16780  Eschscholzia hypecoides Greg Bos 1963-3-24 44 Napa NW end of Lake Berryesa, at Putah Creek 168 Comment
  UC447262  Euphorbia crenulata C. F. Baker 1903-4-20 2615 Napa Mt. St. Helena Comment
  UCD170155  Euphorbia spathulata Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 783 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 423 Comment
  CDA34652  Euthamia occidentalis L. Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  UCD54315  Euthamia occidentalis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 107 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  OBI74551  Euthamia occidentalis David J. Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  JEPS84610  Festuca arundinacea John W. Willoughby 1979-5-25 4305 Napa about 1 mi s Signal Hill (just below and to the w of Blue Ridge); Vaca Mountains, Pansy Flat 609 Comment
  UC1155258  Festuca californica J. R. Sweeney 1953-5-8 1017 Napa 0.1 mi se Black Oak Villa (1.1 mi from Lake-Napa County line; on Pope Valley road); Butts Canyon Comment
  UCD163273  Festuca californica D. Slakey; CNPS Volunteers 2015-4-25 117 .5 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  CAS-BOT-BC278344  Festuca californica subsp. californica Carl B. Wolf 1928-5-3 1815 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD65855  Festuca californica subsp. californica Beecher Crampton 1959-5-7 5202 Napa Above Capell Creek, north end of Capell Valley, along State Hwy. 128. Comment
  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
  HSC9857  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  RSA10675  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA125842  Festuca elmeri P. H. Raven 1957-5-5 10759 Napa Hills at western edge of Calistoga. 152 Comment
  JEPS122917  Festuca idahoensis Jake Ruygt 2000-5-15 4251 Napa Henry Road, on old Henry Ranch. Quad: Napa. Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  UCD66179  Festuca occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CDA10871  Festuca roemeri G. F. Hrusa, M. Rejmanek 1993-5-15 10966 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC279010  Festuca rubra Peter H. Raven 1952-5-31 4144 Napa Summit of hills s.w. of Rector Canyon 304 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
  POM57347  Filago californica C. F. Baker 1903-4-20 2626 Napa Mt. St. Helena. Comment
  JEPS44868  Fragaria vesca Willis L. Jepson 1893-5-1 13872 Napa Calistoga Napa River Basin (on Knights Valley grade) Comment
  CAS-BOT-BC223442  Fraxinus dipetala Peter H. Raven 1952-5-26 4063 Napa Nr. Walter's [Walter] Springs 170 Comment
  CHSC108737  Fraxinus dipetala B. Castro; L. P. Janeway 2002-5-12 1367 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. Near road edge. 563 Comment
  JEPS44089  Fraxinus latifolia Willis L. Jepson 1903-9-9 2337 Napa St. Helena Napa River Basin Comment
  JEPS78436  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  RSA298947  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa Rutherford, Pope Valley Road, 3/4 mile out of Rutherford Comment
  UCD122055  Fraxinus latifolia Alton Enloe 1955-5-20 37 Napa Near Putah Creek bed; State Highway 128, ca. 10 miles southwest of Monticello Dam. Comment
  JEPS41070  Fremontodendron californicum Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9107 Napa Near summit of grade on the Knoxville-Lower Lake road, in the short panhandle of extreme northeastern Napa County 640 Comment
  JEPS42891  Fremontodendron californicum W. L. Jepson 1943-5-15 20778 Napa Knoxville Ridge Comment
  POM136142  Fremontodendron californicum C. F. Baker 1903-5-8 2972 Napa Knoxville. Comment
  UC545809  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa 4 miles north of Knoxville Mines Comment
  JEPS128912  Fremontodendron californicum subsp. californicum Jake Ruygt 1992-5-20 2996 Napa North of Leoma Lakes, Wild Horse Valley Ranch (Lair). Mount George 7.5' Quad. Comment
  CAS-BOT-BC130072  Fritillaria affinis E. Crum 1936-3-15 1740 Napa [Butte's] Butts Canyon, Pope Valley-Middletown Road Comment
  UCD139718  Fritillaria affinis R. F. Denno 1967-4-15 48 Napa 1 mile north of Lower Chiles Valley Road, off of Highway 128. Inner Coast Range Transitional. 228 Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  CAS-BOT-BC130073  Fritillaria affinis Ira L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga-Middletown Highway Comment
  UCSB679  Fritillaria affinis Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  UCD139705  Fritillaria pluriflora Robert E. Preston 1988-4-10 585 Napa ca. 0.3 mile SE of the confluence of Putah and Hunting Creeks. 304 Comment
  CAS-BOT-BC130490  Fritillaria purdyi John Thomas Howell 1940-5-19 15451 Napa Upper St. Helena Creek 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
  JEPS5214  Fritillaria recurva W. L. Jepson 1924-4-27 10375 Napa e side of Mount St. Helena Mount St. Helena Comment
  POM169613  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir. St. Helena Comment
  UCD166660  Fritillaria recurva Jake Ruygt 1979-3-16 457 Napa 1.8 miles NW of Madrona on Spring Mountan Road. 207 Comment
  RSA0054812  Galium Keith E. Hoffmaster 1946-3-9 1233 Napa Prob. Napa range. 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
  UCD112244  Galium aparine Christopher Mallek 2008-5-12 AS2- 21 Napa Aetna Springs. 668 Comment
  UCD49243  Galium aparine A. Van Houtte; E. Leger and C. Hohn 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, in Decker Canyon on W side of S. Decker Canyon Rd., near ruined cabins. 152 Comment
  RSA10657  Galium aparine Carl B. Wolf 1928-5-3 1832 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UCD67957  Galium aparine Caryn Franscioni 1977-4-24 6 Napa Eticuera Creek, 2.6 mi. SE of Knoxville mine. 304 Comment
  JEPS110602  Galium divaricatum Jake Ruygt 1979-4-29 563 Napa end of Kortum Canyon Rd. 256 Comment
  UCD41466  Galium murale Ellen Dean; Deborah Canington 2003-3-1 1363 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road by running stream. 182 Comment
  SEINET5738653 Image available Galium nuttallii J. A. Marinovich 1964-1 17 Napa State Highway 128 between Monticello Dam and its junction with State Highway 37.; Monticello Dam Comment
  RSA42016  Galium nuttallii var. tenue H. C. Cantelow 1936-3-22 s.n. Napa Howell Mt. Comment
  JEPS6612  Galium porrigens var. porrigens W. L. Jepson 1944-5-21 27523 Napa 4 mi e Rutherford Comment
  UCD18071  Galium porrigens var. porrigens Ellen Dean; with Plant Biology 102 class 2000-4-22 626 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD95696  Galium porrigens var. porrigens Ellen Dean; with Clare Loughran 2011-5-20 7034 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  JEPS85031  Galium porrigens var. porrigens Larry Heckard and Mary Ashton 1969-5-3 2208 Napa off the Atlas Peak Rd ca 7 mi ne Napa (slope above (s of) meadow); Mead Ranch 457 Comment
Read comments
Jan 19 2007
  JEPS6622  Galium porrigens var. tenue W. L. Jepson 1936-4-5 17414 Napa s Knoxville ((probably Zim-Zim Ranch)) Comment
  CAS-BOT-BC304340  Gamochaeta John Thomas Howell 1926-3-28 1775 Napa SE base of Mt St Helena in Napa Valley Comment
  UCD170668  Garrya congdonii 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
  UCD170294  Garrya elliptica Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 834 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 447 Comment
  JEPS66756  Garrya flavescens W. L. Jepson 1936-2-8 17399 Napa near Four Corners (Adam and Eve Ridge); Howell Mt. Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144384  Garrya fremontii H. E. McMinn 1925-1-23 1363 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144386  Garrya fremontii H. L. Mason 1925-1-22 1201 Napa Wooden Valley Grade Comment
  JEPS126034  Garrya fremontii Jake Ruygt 1990-1-29 2431 Napa Napa Range about 1/2 mile south of Circle Oaks. Capell Valley 7.5' Quad. Comment
  JEPS66738  Garrya fremontii Willis L. Jepson 1896-1 14155 Napa Howell Mt.; near Toland House Comment
  CDA5299  Gaura sinuata R. Barrett 1955-7-14 Napa At Christian Brothers Winery, Mt. LaSalle. 0 Comment
  JEPS126067  Geranium carolinianum Jake Ruygt 2006-5-23 5036 Napa Bell Creek. Saint Helena 7.5' Quad. Comment
  JEPS106707  Geranium molle Jake Ruygt 1994-3-15 3413 Napa Chiles Valley Raod about 1 mile from Chiles Valley 335 Comment
  SEINET5744393 Image available Geranium molle Peter Stekel 1974-1 21 Napa State Hwy 128 along N slope of Rag Creek headwaters, 4 miles E of junction of State Hwys 128 and 121.; Rag Creek 305 Comment
  HSC98501  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  UC1795114  Geranium purpureum Barbara Ertter with Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley Comment
  UCD83410  Geranium purpureum Jake Ruygt 1986-5-7 1755 Napa Napa, Skyline Park. 152 Comment
  RSA83101  Gilia capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon on east slope of Mayacama Mountains, ca. 8 miles from Vichy Springs on Montichello road. Comment
  UC133966  Gilia capitata subsp. capitata Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC1563722  Gilia capitata subsp. capitata Barbara Ertter with Annetta Carter 1989-5-28 8512 Napa on Berryessa Rd 2 mi se Lake Co. line (near Knoxville, extreme n Napa Co.); near Knoxville 609 Comment
  UC914315  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7967 Napa one-quarter mi s Knoxville Mine; s of Knoxville Mine Comment
  UC914316  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7965 Napa w slope Mt. St. Helena Comment
  UC932033  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7964 Napa ca 2-3 mi from Knight's Valley (on w slope of Mt. St. Helena); w slope Mt. St. Helena, ca 2-3 mi from Knight's Valley Comment
  HSC45343  Gilia tricolor R. York 1978-4-8 115 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD148838  Gilia tricolor Ellen Dean; Diana Hickson 2014-4-29 8142 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  JEPS120323  Gilia tricolor subsp. diffusa Jake Ruygt 2005-4-17 4768 Napa Bear Valley, north of pond. Detert Reservoir 7.5' Quad. Comment
  JEPS85024  Gilia tricolor subsp. tricolor Larry Heckard and Mary Ashton 1969-5-3 2216 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 510 Comment
  JEPS112627  Glaux maritima Jake Ruygt 1981-7-20 1068 Napa Fagan's Marsh 1 Comment
  RSA518733  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 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
  CDA34653  Gnaphalium luteoalbum L. Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CDA6057  Gnaphalium stramineum R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  UC147896  Gratiola ebracteata Joseph P. Tracy May 15 1903-May 18 1903 1873 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UC147897  Gratiola ebracteata J. P. Tracy 1902-5-21 1611 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); , head of Moore's Creek 518 Comment
  CAS-BOT-BC304889  Grindelia hirsutula John Thomas Howell 1932-10-8 10804 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304892  Grindelia hirsutula John Thomas Howell 1929-6-30 4313 Napa 5 mile s. of Calistoga on highway to St. Helena, Napa Valley Comment
  CAS-BOT-BC304909  Grindelia hirsutula Peter H. Raven 1951-8-21 3870 Napa Ridge s.e. of Mt. Veeder 716 Comment
  JEPS106921  Grindelia hirsutula Jake Ruygt 1981-6-10 1053 Napa HWY 121 at Circle Oaks Dr. 292 Comment
  POM203264  Grindelia hirsutula J. T. Howell 1933-6-4 11394 Napa East side of Napa Valley, near Stag's Leaf. Comment
  UC1714849  Grindelia hirsutula Max P. Dunford 1959-10-3 555 Napa 2 mi W of Chiles Valley (along Soda Creek) Comment
  UC32146  Grindelia hirsutula Willis L. Jepson 1894-4-30 Napa Rebecca Ranch <gra??> Napa River Basin, Rebecca Ranch grade Comment
  UC556409  Harmonia hallii H. M. Hall 1931-5-27 13094 Napa near Knoxville (ne Napa Co.); ; near Knoxville, NE Napa Co. Comment
  CAS-BOT-BC302214  Harmonia nutans M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302217  Harmonia nutans Willis L. Jepson 1893-4-28 s.n. Napa Wooden Valley Grade, Napa River Basin Comment
  CAS-BOT-BC302231  Harmonia nutans Alice Eastwood 1915-6-6 4664 Napa Mt. St. Helena Comment
  CAS-BOT-BC302242  Harmonia nutans David D. Keck 1933-5-28 2329 Napa Howell Mountain, ca. 1 mile southwest of Pacific Union College Comment
  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
  JEPS122757  Harmonia nutans Jake Ruygt 2001-3-24 4298 Napa Yountville Hills. Quad: Rutherford. Comment
  UC166274  Harmonia nutans Joseph P. Tracy 1902-5-20 1565 Napa on Howell Mt. road Northern Coast Ranges, Angwin Creek 457 Comment
  UCD118149  Harmonia nutans Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. 0.1 mile northeast of fire station, along undeveloped road, north side of road. 518 Comment
  JEPS115763  Helenium puberulum Lowell Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  RSA756242  Helenium puberulum Barbara Ertter, Elizabeth Neese 1988-10-2 7955 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  UC127186  Helenium puberulum Harley P. Chandler Sep 7 1906-Sep 14 1906 7109 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD73444  Helianthella californica 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
  UC1069443  Helianthella californica subsp. californica A. Lewis 1932-5-14 78 Napa along the roadside Napa Quadrangle Comment
  UCD82596  Helianthella californica var. californica Ellen Dean; T. Starbuck 2009-5-4 5535 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC305536  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa Chiles Valley - 1-3 miles east 304 Comment
  UC1177089  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 mi e Chiles Valley 304 Comment
  UCD18115  Helianthus bolanderi K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 51 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  CAS-BOT-BC305534  Helianthus bolanderi Alice Eastwood 1939-8-20 7618 Napa Capell Creek Comment
  UCD132921  Helianthus californicus Irving Grover 1965-6-16 s.n. Napa Howell Mountain area along Deer Park road near Angwin. Comment
  CHSC103019  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  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-BC306146  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC306147  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC306152  Hemizonia congesta subsp. clevelandii David D. Keck 1933-11-10 2716 Napa Calistoga, 2 mi. N. of the center of town, at the geysers Comment
  JEPS40232  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UC88998  Hemizonia congesta subsp. clevelandii Edward Lee Greene 1883-8-1 Napa Calistoga Comment
  UC990638  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-7 696 Napa roadside Calistoga Comment
  CAS-BOT-BC309829  Hemizonia congesta subsp. luzulifolia W. M. Heusi 1930-10-18 104 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-BC309834  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1926-11-28 1576 Napa American Canon [Canyon] between Napa highway and Cordelia Comment
  JEPS106662  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1982-6-13 1313 Napa Cedar Roughs 271 Comment
  UC222698  Hemizonia congesta subsp. luzulifolia H. M. Hall 1923-10-14 11942 Napa 8 mi w Pope Valley Comment
  CAS-BOT-BC309830  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi. S. of Napa, on road to Vallejo Comment
  UCD161616  Hemizonia congesta subsp. luzulifolia Jake Ruygt 2002-9-14 4457 Napa Missimer / Snell Valley Wildflower Preserve. 170 Comment
  UCD161743  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1993-8-14 3286 Napa Lewelling Ranch, west of end Lewelling Lane. 79 Comment
  UCSB46883  Hesperocyparis macnabiana Roos, John 1938-11-19 Napa Pope Valley, Aetha Springs, along creek Comment
  UCD63751  Hesperocyparis sargentii Daniel Sanchez-Mata; Emin Ugurlu 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 580 Comment
  JEPS112583  Hesperolinon Jake Ruygt 1992-5-3 2926 Napa Skyline Park, Napa east of Marie Creek 195 Comment
  JEPS123298  Hesperolinon David Gowen with Dick O'Donnell 2009-6-30 1077 Napa Along trail from Devilhead Road down to Cedar Creek. Comment
  CAS-BOT-BC167425  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  JEPS32274  Hesperolinon bicarpellatum Jos. P. Tracy Jun 13 1899-Jun 19 1899 382 Napa Howell Mt. Comment
  OBI12551  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Cyn and Pope Valley on tributary of Pope Crk 274 Comment
  UC1212357  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4139 Napa 1.5 mi e Black Oak Villa; Inner North Coast Range, Butts Canyon 213 Comment
  UC1212359  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4606 Napa 0.25 mi beyond north end of Pope Valley (near divide between Pope Valley and Butt's Canyon); Inner North Coast Ranges 259 Comment
  UCD141589  Hesperolinon bicarpellatum Ellen Dean 2013-4-27 7705 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCD167348  Hesperolinon bicarpellatum Jake Ruygt 2003-6-7 4541 Napa Mt. George/ Foote Botanical Preserve on 'Tupper road'. 298 Comment
  CAS-BOT-BC167446  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa S. [Cappell] Capell Valley 365 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
  SD51691  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa Southeast slope below rock spire west of junction of state highways 37 and 128, south end Cappell Valley. 274 Comment
  RSA92926  Hesperolinon breweri Peter H. Raven 1951-6-26 s.n. Napa Cappell Valley. 366 Comment
  JEPS112649  Hesperolinon californicum Jake Ruygt 1988-5-29 2196 Napa Cedar Valley 603 Comment
  JEPS122783  Hesperolinon californicum Jake Ruygt 1990-5-12 2541 Napa Wooden Valley, north of Wooden Valley School. QUAD: Capell Valley. Comment
  JEPS122818  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-21 291 Napa East of Knoxville Berryessa Road at pullout by old chimney. Comment
  JEPS122837  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-18 228 Napa Along dirt road offshoot from Dollarhide Road, which originates on Hardin Road just north of Wantrup Wildlife refuge - access is through St. Suprey vineyards. Comment
  UC1212438  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4075 Napa edge of valley above Sage Creek (near junction of Pope Valley-Monticello road with road to Rutherford); Inner North Coast Ranges, Chiles Valley 240 Comment
  UC1212456  Hesperolinon californicum Helen K. Sharsmith 1952-6-20 4146 Napa near Pope Creek at its outlet from Pope Valley; Inner North Coast Ranges 152 Comment
  UCD110500  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa Above Sage Creek on west side Chiles Valley. 304 Comment
  UCD110499  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa Slopes of Sage Canyon, south side of Conn Dam. 76 Comment
  UCD164732  Hesperolinon clevelandii Jake Ruygt 2014-6-14 6002 Napa Ranch near Oat Hill. 619 Comment
  UCSC009031  Hesperolinon clevelandii Dylan M. Neubauer 2015-4-26 133 Napa (NCoRI) Butts Canyon Rd, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UCD167297  Hesperolinon clevelandii Jake Ruygt 2004-5-8 4599 Napa Lone Pine Thicket on private road accessible from Devilhead Road. 633 Comment
  UC1212499  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Pope Valley-Monticello road about one mi e spur road to Samuels Springs (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  UCD110520  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 121 Comment
  UCD167299  Hesperolinon disjunctum Jake Ruygt 2010-7-11 5668 Napa Cedar Roughs, south of Guilliame Springs. 624 Comment
  CDA30785  Hesperolinon drymarioides V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS122855  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-28 239 Napa Capell Valley Road, just southeast of intersection with Knoxville Road Comment
  UC1212260  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa 0.8 mi s Chiles Valley (above Sage Creek); Inner North Coast Ranges 304 Comment
  UC1212275  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4040 Napa w side Chiles Valley (on road to Pope Valley); Inner North Coast Ranges 234 Comment
  UC1736421  Hesperolinon micranthum Dean W. Taylor 1998-6-18 16673 Napa ridge dividing Butts Canyon and Spanish Valley 502 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
  UC1212415  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4603 Napa Chiles Valley Ranch Inner North Coast Ranges, Chiles Valley 213 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
  JEPS32290  Hesperolinon spergulinum W. L. Jepson 1893-6-26 14380 Napa Howell Mt. Comment
  UCD167351  Hesperolinon spergulinum Jake Ruygt 2010-7-5 5665 Napa East of White Point. 658 Comment
  UCD169779  Hesperolinon spergulinum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 787 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 453 Comment
  RSA26399  Hesperolinon spergulinum J. T. Howell 1941-6-21 16316 Napa Hills SW of St. Helena. Comment
  UC168967  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2226 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  JEPS45021  Heteromeles arbutifolia W. L. Jepson Nov 26 1895-Nov 27 1895 13824 Napa St. Helena , Napa River (Stone Bridge, Napa River) Comment
  UCD49138  Heteromeles arbutifolia S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 13 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
  JEPS129057  Heterotheca sessiliflora subsp. echioides Jake Ruygt 1987-7-27 2085 Napa Vaca Mountains, on ridge south of Monticello Dam. Monticello Dam 7.5' Quad. Comment
  CAS-BOT-BC424161  Heuchera micrantha var. erubescens Peter H. Raven 1950-6-20 2358 Napa in the Napa Range between Corn Valley & Howell Mtn. Comment
  JEPS106635  Hieracium albiflorum Jake Ruygt 1991-7-20 2782 Napa Ink Grade at White Cottage Rd. 560 Comment
  CAS-BOT-BC324650  Holocarpha virgata Peter H. Raven 1952-8-26 5131 Napa Near Bentley Wharf 15 Comment
  JEPS80610  Holozonia filipes Joe Callizo and Glenn Clifton 1981-8-13 Napa ridgetop, Los Posadas State Forest Los Posadas State Forest Comment
  UCD63162  Holozonia filipes Jake Ruygt 1986-7-22 1884 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 448 Comment
  UCD63057  Hordeum brachyantherum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 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
  UCD20739  Hordeum murinum Ellen Dean; w/ Mark Bibbo 2002-6-17 1103 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. By field station, in the middle of the parking lot. 384 Comment
  UCD18150  Hordeum murinum subsp. leporinum Jean Shepard; with Plant Biology 102 class 2000-4-29 204 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UC679532  Horkelia californica subsp. dissita Milo S. Baker 1942-6-26 10208 Napa 1 mi e Pac. Theolog. Seminary; Pine Crest Comment
  JEPS126088  Hosackia stipularis Jake Ruygt 1981-7-8 1057 Napa Road to Bateman Creek from Montesol; Livermore Road. Detert Reservoir 7.5' Qua. Comment
  RSA491728  Hypericum concinnum James L. Reveal 1987-6-7 6400 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles west of Pleasant Valley Road, about 7 miles northwest of Vacaville. 762 Comment
  UC187748  Hypericum formosum var. scouleri Katharine Brandegee 1910-7-1 Napa Howell Mt. Comment
  JEPS36524  Hypochaeris glabra W. L. Jepson 1938-5-24 18853 Napa Plateau n of Four Corners Howell Mt.; Napa Range Comment
  UCD133462  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 345 Napa east slope of Mt. Veeder. Comment
  CDA10865  Iris fernaldii G. F. Hrusa, M. Rejmanek 1993-5-15 10960 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CHSC58402  Iris fernaldii Karen Blom 1975-5-16 22 Napa 1 mile north of State Highway 121 on Knoxville Road. Comment
  JEPS126050  Iris fernaldii Jake Ruygt 2002-4-1 4381 Napa West of Calistoga above Blossom Creek. Mark West Springs 7.5' Quad. Comment
  UCD138729  Iris fernaldii Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  UC571171  Iris fernaldii H. L. Mason 1926-3-22 2789 Napa between Calistoga and Petrified Forest Comment
  CDA10842  Iris macrosiphon G. F. Hrusa, G. L. Stebbins 1994-4-18 11779 A Napa North Coast Biodiversity Arena; Along Swartz Cyn. Rd. 1.5 m. W of Aetna Springs. 228 Comment
  UC614451  Iris macrosiphon L. Constance 1938-4-22 2132 Napa 2 mi w Yountville (above Dry Creek); North Coast Ranges, Miyakma Mountains 457 Comment
  UCD71275  Iris macrosiphon Kook-Hyun Chung 2001-4-28 4 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, shady area in interior live oak woodland; flower cream-yellow, perennial 242 Comment
  UCD82595  Iris macrosiphon Ellen Dean; T. Starbuck 2009-5-4 5534 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD166694  Iris macrosiphon Jake Ruygt 2007-4-15 5146 Napa Las Posadas State Forest, edge of upper meadow. 518 Comment
  JEPS129168  Isoetes howellii Jake Ruygt 2015-5-2 6086 e Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. 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
  SEINET2064754 Image available Juglans californica Royal D. Suttkus 1967-6-26 67 -3036 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  CHSC93647  Juglans californica var. hindsii Paul Kirk; Joe Callizo 2001-5-25 6 Napa Munson Ranch area, approximately 300 m WNW of end of Circle Oaks drive. 450 Comment
  JEPS58692  Juglans californica var. hindsii W. L. Jepson 1911-11-11 4762 Napa Mt. Atlas Napa Range Comment
  SEINET13942237 Image available Juglans hindsii C. B. Wolf, B. D. Stark 5514 Napa Skally Ranch at head of Gordon Valley, below Lake Curry Dam. 500 ft. 152 Comment
  JEPS126036  Juncus balticus Jake Ruygt 1978-4-6 1287 Napa Suscol plain between Kaiser and Highway 29 (Rocktram). Cuttings Wharf 7.5' Quad. Comment
  UCD18082  Juncus balticus Ellen Dean; with PLB 102 class 2000-4-22 637 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
  UCD81808  Juncus bolanderi Ellen Dean; Stephen Rae 2009-4-21 5435 Napa Along Friesen Lakes Road, NW of Anguin. 560 Comment
  JEPS126052  Juncus dubius Jake Ruygt 2010-6-26 5658 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  JEPS122657  Juncus effusus subsp. pacificus Jake Ruygt 1985-5-25 1601 Napa American Canyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  JEPS75646  Juncus effusus subsp. pacificus W. L. Jepson 1936-6-1 17578 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  UC183781  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1902-5-18 1534 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Head of Moores Creek 518 Comment
  JEPS122660  Juncus kelloggii Jake Ruygt 1998-6-20 4041 Napa On Palisades trail from RLSSP, east of Table Rock. Quad: Detert Reservoir. Comment
  JEPS122683  Juncus kelloggii Jake Ruygt 2007-5-17 5180 Napa Duff Ranch, NE of Grassy Hill. Quad: Calistoga. Comment
  JEPS122662  Juncus patens Jake Ruygt 1990-5-16 2553 Napa Silverado Trail about 1/2 mile north of Sage Canyon Road. Quad: Rutherford. Comment
  UCD166708  Juncus patens Jake Ruygt 2006-7-3 5070 Napa Napa River north of Zinfandel Lane. 56 Comment
  UCD20537  Keckiella breviflora var. glabrisepala E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1077 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  POM263159  Keckiella corymbosa J. C. Roos 1939-7-16 274 Napa Napa Range near Calistoga. Comment
  POM14711  Keckiella lemmonii W. L. Jepson 1891-9-13 s.n. Napa Vacaville. Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  JEPS34511  Kickxia elatine Freed W. Hoffman Aug 1947 1689 Napa Sage Canyon; North Coast Ranges Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  CDA11427  Lagophylla minor G. F. Hrusa, M. Tu 1995-5-6 12150 Napa North Coast Biodiversity Arena; approx. 1.5 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  JEPS106649  Lagophylla minor Jake Ruygt 1981-5-21 1042 Napa Putah Dreek north of Snell Valley 231 Comment
  UCD47919  Lagophylla minor Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 13 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  CAS-BOT-BC341424  Lagophylla minor A. A. Heller 1941-5-16 16130 Napa A mile or two west of Knoxville Comment
  CAS-BOT-BC341426  Lagophylla minor Milo S. Baker 1932-4-26 5962 Napa Near Eastern side of Pope Val. along Monticello Hwy. Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  SEINET13095152  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
  CAS-BOT-BC341556  Lagophylla ramosissima Rimo Bacigalupi 1928-6-20 1868 Napa Howell Mt. 10 miles west of St. Helena Comment
  CAS-BOT-BC341557  Lagophylla ramosissima Alice Eastwood 1918-9-3 7964 Napa Calistoga Comment
  CAS-BOT-BC341554  Lagophylla ramosissima Peter H. Raven 1951-6-26 3088 Napa Cappell valley to Wooden Valley 304 Comment
  UCD164843  Lasthenia californica Jake Ruygt 2012-4-16 5816 Napa South half of Spanish Valley. 237 Comment
  JEPS10012  Lasthenia californica subsp. californica Willis L. Jepson 1893-1 Napa Comment
  JEPS10162  Lasthenia californica subsp. californica W. L. Jepson 1893-4-25 Napa w St. Helena; Caux's Knob Comment
  JEPS10172  Lasthenia californica subsp. californica Willis L. Jepson 1893-4-24 Napa e St. Helena Comment
  RSA202278  Lasthenia conjugens Robert Ornduff 1960-4-26 R. O. 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon Road. Comment
  UCD63160  Lasthenia glaberrima Jake Ruygt 1993-4-18 3211 Napa west of west end of Rio DelMar Drive, American Canyon. 2 Comment
  JEPS35406  Lasthenia glaberrima W. L. Jepson 1923-6-3 9974 Napa s of Calistoga Comment
  UC891315  Lasthenia gracilis Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  UC496104  Lathyrus aphaca Mrs. Ernest Lloyd 1931-5-5 Napa Howell Mountain Comment
  UCD96188  Lathyrus cicera Ellen Dean; with Clare Loughran 2011-5-20 7072 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
  UCD73500  Lathyrus hirsutus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS107268  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1998-5-23 3997 Napa Milton Road, Manley's Resort. 2 Comment
  UC81786  Lathyrus jepsonii var. jepsonii Michener and Bioletti 1892-8-15 Napa Draw Bridge Napa River Comment
  RSA113969  Lathyrus tingitanus Peter H. Raven 1957-5-5 10756 Napa Calistoga Comment
  POM29623  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC15376  Lathyrus vestitus var. vestitus Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  CDA27143  Lathyrus vestitus var. vestitus T. C. Fuller 1958-5-1 3713 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  JEPS55379  Lathyrus vestitus var. vestitus W. L. Jepson May 26 1896-May 27 1896 13631 Napa below New Eden; Howell Mt. Comment
  UC1073276  Lathyrus vestitus var. vestitus George B. Rossbach 1955-2-19 328 Napa se slope Mt. St. Helena (nw Napa County) 1158 Comment
  UC15381  Lathyrus vestitus var. vestitus unknown 1895-4-24 Napa e of St. Helena Comment
  JEPS39183  Layia chrysanthemoides W. L. Jepson 1936-4-5 17415 Napa Knoxville Comment
  POM231107  Layia chrysanthemoides Jens Clausen 1935-5-22 1068 Napa 2.2 miles S of Knoxville. Comment
  SBBG8517  Layia gaillardioides H. and M. Dearing 1939-4-28 3220 Napa near Fairfax Comment
  JEPS40041  Layia septentrionalis W. L. Jepson 1897-6-26 Napa Howell Mountain Comment
  CAS-BOT-BC534369  Lemna minor Peter H. Raven 1951-6-26 3042 Napa Sarco Creek east of Napa 60 Comment
  RSA92952  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma county line 244 Comment
  CAS-BOT-BC534949  Lemna minuta Peter H. Raven 1953-4-2 5291 Napa Tulucay Creek 243 Comment
  UCD124950  Lepechinia calycina M. Ensign 1943-5-28 317 Napa 13 miles from Monticello on road to Lower Lake. Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 Comment
  CAS-BOT-BC89173  Lepidium draba John Thomas Howell 1926-4-3 1781 Napa Near Yountville. Comment
  UCR25317  Lepidium nitidum John C. Roos 1939-3-18 s.n. Napa North Coast Range, Snell Valley, [near] Pacific Union College, Angwin 183 Comment
  JEPS53708  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Calistoga Comment
  CAS-BOT-BC12774  Lepidium oxycarpum Peter H. Raven 1953-3-29 5200 Napa Calistoga. 106 Comment
  RSA10695  Leptosiphon androsaceus C. B. Wolf 1928-5-3 1792 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD118594  Leptosiphon androsaceus L. P. Thibault 1995-5-21 51 Napa growing on south side of Highway 128, about 3 miles west of Wragg Canyon Road. 250 Comment
  HSC83421  Leptosiphon androsaceus Dave Read 1975-5-3 29 Napa Knoxville-Berryessa Rd., 16.2 mi. N of jct. with Hwy. 128 244 Comment
  UCD167620  Leptosiphon bolanderi Hyosig Won 2016-4-12 13945 Napa McLaughlin UC Reserve. Northwest of old town of Knoxville. 688 Comment
  CHSC10563  Leptosiphon parviflorus Lowell Ahart 1969-6-7 Napa Near Lake Berryessa. 243 Comment
  HSC17075  Leptosiphon parviflorus C. B. Wolf 1928-5-3 1792 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UC2042989  Leptosiphon parviflorus Barbara Ertter with Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD20820  Leptosiphon parviflorus N. Nicola 2001-3-29 036 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  UCD167238  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1991-5-4 2642 Napa between Doe Lake and Granite lake, Friesen's Lakes. 594 Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  JEPS20656  Lessingia ramulosa W. L. Jepson 1938-6-8 18887 Napa nw Pope Valley; South Fork of Butts Creek Comment
  UC570411  Lessingia ramulosa Chas. M. Belshaw and A. L. Mason 1936-9-20 2688 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD132704  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCD37721  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  CAS-BOT-BC444416  Lewisia rediviva Milo S. Baker 1926-5-1 168 C-Son Ser. Napa Mt St Helena - 1/2 mi. S.East Comment
  CAS-BOT-BC444417  Lewisia rediviva Milo S. Baker; Alice Griffin 1926-3-30 168 Son Ser. Napa The Crater, Mt St Helena Comment
  RSA195305  Lewisia rediviva Gilbert Muth 1967-4-16 644 Napa Snell Valley near bridge 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
  UC472  Lilaea scilloides Willis L. Jepson 1893-4-26 Napa near Yountville; Napa River Basin Comment
  SEINET7073089  Limnanthes douglasii A. G. Vestal 1963-4-7 s.n. Napa A meadow about 4.3 miles north of Saint Helena at the cross-road from Route 29. Coordinate datum WGS84/NAD83. (38? deg. 33' 10" North Latitude, -122? deg. 31' 6" West Longitude, UTM Zone 10, 541975mE, 4267068mN. Coordinate datum: NAD27). Comment
  JEPS112541  Limnanthes douglasii subsp. douglasii Jake Ruygt 1998-4-8 3902 Napa SE corner of Soda Canyon Road and Silver ado Trail 22 Comment
  CAS-BOT-BC361310  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-3-27 8757 Napa Along the Chiles and Pope Valley Road ca 4.7 miles NW of its junction with the Lower Chiles Valley Road. 230 Comment
  SBBG4054  Limnanthes douglasii subsp. nivea H. and M. Dearing 1939-5-2 5251 Napa near Napa Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  JEPS112562  Limnanthes floccosa subsp. floccosa Jake Ruygt 1993-4-3 3180 Napa Little Bear Valley 676 Comment
  JEPS110961  Linanthus acicularis Jake Ruygt 1992-5-3 2929 Napa Westwood Hills Park, Browns Valley Rd. Napa 121 Comment
  JEPS58393  Linanthus dichotomus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UCD20384  Linanthus dichotomus K. Esau 1938-4-13 s.n. Napa Highway between Monticello and Napa. Comment
  UC903158  Linanthus dichotomus Ethel Crum 1937-4-19 1786 Napa 17 mi ne Napa; Napa Range, Steel Canyon Comment
  HSC58977  Linanthus dichotomus subsp. meridianus G. E. Johnston 1974-4-4 1024 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS110977  Linanthus dichotomus subsp. meridianus Jake Ruygt 1976-4-25 31 Napa 23.5 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 630 Comment
  POM310952  Linanthus dichotomus subsp. meridianus H. L. Mason 1942-5-24 12540 Napa Eight miles south of Pope Valley Store Comment
  SEINET8729335 Image available Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-1 12540 Napa Eight miles south of Pope Valley Store Comment
  CDA38720  Linanthus parviflorus D. G. Kelch 2010-5-6 10 .179 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS110969  Linanthus parviflorus Jake Ruygt 1995-4-24 3443 Napa 2 mi. south of Sage Canyon Rd. on private driveway (Taylor property) 432 Comment
  JEPS110985  Linanthus parviflorus Jake Ruygt 1996-4-10 3576 Napa Soda Spring, White Cliff Springs 396 Comment
  JEPS58113  Linanthus parviflorus W. L. Jepson 1904-6-3 2444 Napa Howell Mt. Napa Range 365 Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  UCD37683  Linum Beecher Crampton 1961-6-12 5900 Napa Napa County, northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  CLARK-A1528-3206  Linum clevelandii John C. Roos 1939-5-13 266 Napa Angwin Comment
  CAS-BOT-BC36061  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1926-10-3 2209 Napa St. Helena Creek on emile below Patten's 609 Comment
  RSA121900  Lithocarpus densiflorus var. densiflorus R. W. Lundh 1933-7-14 256 Napa 1/2 mile northeast of McCormack Ranch. 427 Comment
Read comments
Jul 28 2014
  CAS-BOT-BC430622  Lithophragma affine Peter H. Raven 1953-4-2 5258 Napa hills e. of Imola 121 Comment
  CAS-BOT-BC430623  Lithophragma affine Peter H. Raven 1950-4-15 1717 Napa Silverado Trail outside of Napa 15 Comment
  JEPS47510  Lithophragma affine W. L. Jepson 1910-3-28 4029 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  HSC43992  Logfia filaginoides Robert M. Specht 1977-4-19 695 Napa Above drainage running NE from Adams Creek. 518 Comment
  UC164899  Logfia filaginoides J. P. Tracy 1902-5-16 1504 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD18000  Logfia gallica Ellen Dean; with Plant Biology 102 class 2001-4-28 731 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UC729984  Lolium perenne Leo F. Koch 1940-4-24 851 Napa Cuttings Wharf Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  SEINET13944733 Image available Lomatium Joseph Andorfer Ewan 1934-1 8836 Napa Local on bank alone creek bed. Steel Canyon 8 m. s. of Monticello. Comment
  HSC21569  Lomatium dasycarpum subsp. dasycarpum Greg Bos 1963-3-24 48 Napa NW end of Lake Berryessa, at Putah Creek 457 Comment
  JEPS17138  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1896-6-2 14303 Napa Red ridge across mouth of Conn Valley; Napa R. Basin Comment
  UCD18065  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Plant Biology 102 class 2000-4-22 620 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  JEPS104545  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Road 286 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
  UCD164747  Lomatium macrocarpum Jake Ruygt 2014-6-9 5984 Napa Livermore Ranch, Bear Valley. 621 Comment
  UCD63185  Lomatium macrocarpum Jake Ruygt 2003-3-21 4473 Napa At head of the Foley Creek canyon; at county line. 609 Comment
  UCD170152  Lomatium marginatum var. purpureum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 737 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 Comment
  POM264418  Lomatium marginatum var. purpureum J. C. Roos 1939-3-18 302 Napa Snell Valley 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
  UCD63186  Lomatium marginatum var. purpureum Jake Ruygt 2005-3-28 4726 Napa About 2 miles north of Turtle Rock on Berryessa-Knoxville Rd. 152 Comment
  POM298615  Lomatium repostum Lincoln Constance, J. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  UC735135  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  UCD127712  Lomatium repostum Robert E. Preston 1987-6-13 559 Napa Snell Peak. 365 Comment
  UC1197143  Lomatium utriculatum Joseph P. Tracy 1904-5-23 2084 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD127802  Lomatium utriculatum Moacyr Maestri 1965-3-19 7 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley. Comment
  UCD18038  Lomatium utriculatum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 589 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  UC1368793  Lomatium utriculatum David H. French 1968-4-20 2859 Napa about 11 mi NW of Napa (E side of road called Silverado Trail) Comment
  UC176034  Lomatium utriculatum H. P. Chandler 1907-5-19 7574 Napa St. Helena, White Sulphur Spring Comment
  JEPS104515  Lomatium vaginatum Jake Ruygt 1998-5-30 4003 Napa Table Rock 749 Comment
  JEPS17558  Lomatium vaginatum W. L. Jepson 1893-5-2 14311 Napa Pope Valley grade from Calistoga; Napa Range, Napa River Basin Comment
  POM132617  Lomatium vaginatum C. F. Baker 1903-4-20 2621 Napa Mt. St. Helena Comment
  JEPS12849  Lonicera hispidula var. vacillans W. L. Jepson 1898-1-4 Napa Howell Mountain Comment
  JEPS12818  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin Comment
  HSC43972  Lonicera interrupta Robert M. Specht 1977-5-14 898 Napa N side of Morgan Valley Rd. along drainage on E facing slope. 482 Comment
  CAS-BOT-BC198589  Lotus John H. Thomas 1955-5-21 5176 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS107214  Lotus grandiflorus var. grandiflorus Jake Ruygt 1998-6-24 4058 Napa County line ridge between Taylor Bluff and Cottonwood Canyon 737 Comment
  RSA3633  Lotus humistratus I. L. Wiggins 1932-3-12 5764 Napa Hillside between Calistoga and Franz Valley. Comment
  JEPS55525  Lotus humistratus A. M. Ottley 1921-5-6 1338 Napa between Santa Rosa and Calistoga; Hoods Peak Range Comment
  RSA293011  Lotus micranthus Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 755 Napa Mt. Saint Helena. Comment
  UC15636  Lotus micranthus Willis L. Jepson Apr 1893 Napa near St. Helena; Napa River Basin Comment
  UC1236514  Lotus scoparius John H. Thomas 1955-5-21 5109 Napa about 6 mi from Napa (near State Highway 37, Sarco Creek drainage); Sarco Creek 243 Comment
  JEPS55897  Lotus scoparius Willis L. Jepson 1893-6-26 13805 Napa grade to Howell Mt. Napa River Basin Comment
  JEPS107203  Lotus strigosus Jake Ruygt 1991-4-20 2635 Napa Mead Ranch, Atlas Peak Rd. 548 Comment
  JEPS129027  Lupinus affinis Jake Ruygt 2016-5-10 6246 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  RSA113240  Lupinus albicaulis var. shastensis E. K. Balls, Lee W. Lenz, B. K. Balls 1955-5-12 2450 Napa 1.7 mi. nw. Placer-Nevada Co. Line, along rd. from Coflax to Grass Valley. 747 Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  UCD148812  Lupinus albifrons Ellen Dean; Diana Hickson 2014-4-29 8119 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  RSA26103  Lupinus albifrons var. albifrons H. C. Cantelow 1936-3-21 s.n. Napa Howell Mt. Comment
  HSC45366  Lupinus bicolor R. York 1978-4-8 109 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UC82070  Lupinus bicolor C. F. Baker 1903-4-19 1982 Napa Calistoga Comment
  UCD107265  Lupinus bicolor G. E. Johnston 1974-4-4 6119 Napa near Bell Canyon, near Angwin. 426 Comment
  UCD167062  Lupinus formosus var. formosus Jake Ruygt 2000-7-31 4279 Napa Napa, Trancas Street at Villa Lane. 14 Comment
  UC15892  Lupinus latifolius var. latifolius W. L. Jepson June 1891 Napa Vaca Mts. Comment
  JEPS107223  Lupinus luteolus Jake Ruygt 1987-6-27 2057 Napa Berryessa-Knoxville Rd. near Lake Co. line, Morgan Valley 627 Comment
  UCD70472  Lupinus microcarpus P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, off hwy 128. Rocky hillside. Herbs; flowers yellow. 73 Comment
  SFV1878  Lupinus microcarpus var. densiflorus L. B. Hendrix 1962-5-5 39 Napa North Coast Ranges Vaca Mountains. Southeast side of Lake Berryessa, just west of Monticello Dam on road along lake. 140 Comment
  OBI48334  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  RSA659034  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa Ca 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  SEINET239733  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa Steep roadside of redrock shale CA 128 E 7.2 mi E jct. Ca 121 2.9 mi W Monticello Dam Lake Berryessa 274 Comment
  JEPS107246  Lupinus nanus Jake Ruygt 1976-5-2 48 Napa 3.3 miles NE of Westgate Dr. on Atlas Peak Road 350 Comment
  JEPS65362  Lupinus nanus W. L. Jepson 1915-4-23 6241 Napa hills e St. Helena; hills e of St. Helena Comment
  UC81976  Lupinus nanus C. F. Baker 1903-4-19 1990 Napa Calistoga Comment
  UCD109263  Lupinus nanus M. Wiesendanger 1927-5-4 672 Napa Near Monticello. Comment
  SEINET8056980  Lupinus nanus K. Suhr 1967-3-24 s.n. Napa Steele Park Resort, south shore of Lake Berryessa. Comment
  UCD161683  Lupinus nanus Jake Ruygt 2008-5-10 5329 Napa Buzzard's Roost, east of Stags Leap, Napa Range. 609 Comment
  UCD167065  Lupinus nanus Jake Ruygt 2001-4-16 4306 Napa Big Ranch Road (Van Winden property). 16 Comment
  POM210035  Lupinus nanus subsp. nanus H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  JEPS65423  Lupinus polyphyllus Willis L. Jepson 1893-6-26 24 t Napa Howell Mt.; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CAS-BOT-BC202231  Lupinus sericatus A. A. Heller 1949-5-6 15586 Napa East side of Mt. St. Helena just below the crossing of State Highway #29 Comment
  JEPS107244  Lupinus sericatus Jake Ruygt 1980-5-3 866 Napa Aetna Mine Rd. at Twin Peaks 716 Comment
  UCD170379  Lupinus succulentus Daniel Potter; N Khuu 2016-5-8 876 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 223 Comment
  UCR196218  Lupinus succulentus R. J. Flannery, C. Kennedy, L. Condon, N. Strahan, C. Hallock 2000-4-22 12 Napa UC McLaughlin Reserve, north of Knoxville, west of [Knoxville-Berryessa] Road 420 Comment
  UCD167050  Luzula comosa var. comosa Jake Ruygt 1990-4-28 2512 Napa Bear Valley. 615 Comment
  CAS-BOT-BC441242  Luzula macrantha Alice Eastwood 1922-5-4 11260 Napa Calistoga Comment
  CAS-BOT-BC441243  Luzula macrantha Alice Eastwood 1922-3-25 11094 Napa Calistoga Comment
  UCD118560  Luzula subsessilis Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road. 519 Comment
  JEPS112657  Lythrum hyssopifolia Jake Ruygt 1979-6-14 694 Napa Marina Dr., Napa 4 Comment
  JEPS45959  Lythrum hyssopifolia Willis L. Jepson 1893-9-24 14085 Napa Napa River Basin, Howell Mt., Angwin's Meadows Angwin's Meadows; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  UC127121  Madia elegans Harley P. Chandler Sep 7 1906-Sep 14 1906 7131 Napa Howell Mountain Alta Loma Ranch 487 Comment
  POM263490  Madia exigua J. C. Roos 1939-5-13 267 Napa Angwin, Howell Mt. Comment
  UCD111672  Madia exigua Christopher Mallek 2007-5-13 s.n. Napa Knoxville. 593 Comment
  UCD159955  Madia exigua Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  CAS-BOT-BC343193  Madia gracilis John H. Thomas 1955-5-21 5127 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS106549  Madia gracilis Jake Ruygt 1986-8-10 1898 Napa Recreation Flat, Los Posados State Forest 377 Comment
  JEPS40218  Madia gracilis W. L. Jepson 1893-5-8 Napa New Eden Howell Mt. Comment
  UCD18101  Madia gracilis Ellen Dean; with PLB 102 class 2000-4-29 757 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  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
  JEPS40220  Madia gracilis W. L. Jepson 1894-7-19 Napa Calistoga Man. Bay. Reg. Comment
  CDA8258  Madia madioides T. C. Fuller 1958-5-1 3717 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  POM298345  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  RSA128374  Madia nutans P. H. Raven 1950-4-15 1752 Napa Wooden Valley grade above Napa. 457 Comment
  UCD83743  Madia sativa Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5992 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 176 Comment
  CAS-BOT-BC345048  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  RSA434859  Malacothamnus helleri Peter H. Raven 1965-5-15 20205 Napa On divide between Zim Zim Creek and Nevada Creek, 5 miles SSE of Knoxville 396 Comment
  UCD37682  Malacothrix Beecher Crampton 1961-6-12 5899 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCR196235  Malacothrix clevelandii Jake Ruygt 2005-6-1 4885 Napa Knoville Wildlife Area, Blue Ridge, 1 mi north of Mays Flat 630 Comment
  CAS-BOT-BC347512  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC347513  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  UCD18051  Marah fabacea Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 604 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCR242400  Marah watsonii Ellen Dean, Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 606 Napa North Coast Range, McLaughlin Reserve, c. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along the old road that climbs up ridge on east side 537 Comment
  JEPS129146  Marrubium vulgare Jake Ruygt 1978-5-4 287 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. Comment
  UCD48564  Matricaria discoidea Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with South Decker Canyon Rd. 176 Comment
  CHSC25141  Medicago polymorpha J. E. Beitler 1970-4-19 29 Napa St. Helena. Found ca. 25 yards W of York Creek bridge on York Lane 3 ft. in from N. side of the road. Comment
  UCD112047  Melica Christopher Mallek 2008-5-12 AS2- 19 Napa Aetna Springs. 668 Comment
  CAS-BOT-BC269418  Melica californica John Thomas Howell 1931-4-3 6123 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS122951  Melica californica Jake Ruygt 1984-5-3 1540 Napa Bell Canyon. Quad: Saint Helena. Comment
  JEPS69300  Melica californica W. L. Jepson 1915-4-23 6248 Napa Conn Valley Comment
  SACT001488  Melica californica John Willoughby 1977-4-20 Napa Below and just to the south of Mount Vaca. Rocky areas in chaparral. 609.6 Comment
  SEINET196999 Image available Melica californica var. californica W. S. Boyle 1942-4-26 1071 Napa 10 mi N of Napa on Silvarado Trail Rd Comment
  POM357027  Melica californica var. nevadensis Robert M. Specht 1977-4-19 686 Napa Above drainage running NE from Adams Creek (site 163). 524 Comment
  UCD121128  Melica geyeri Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7341 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
  UCD87300  Melica geyeri Collector Unknown 1928-4-15 s.n. Napa Blake College -- east of Pacific Union College. Comment
  UCD87302  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St. Helena Grade. Comment
  SEINET10599396  Melica geyeri William S. Boyle 1942-4-25 Boyle 1072 Napa Along the Silvarado Trail Road 7 miles south of Calistoga, Abundant in dry, open woods. Associated species: Arbutus menziesii, Pseudotuga taxifolia, Poa scabrella. Comment
  SEINET8719050 Image available Melica geyeri W. S. Boyle 1942-1 1072 Napa Along the Silvarado Trail Road 7 miles south of Calistoga Comment
  JEPS122947  Melica harfordii Jake Ruygt 1987-5-16 2001 Napa Devil's Canyon, below the falls. Quad: Sonoma. Comment
  CAS-BOT-BC264211  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville 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
  JEPS76084  Melica torreyana W. L. Jepson 1938-5-22 18813 Napa Pope Valley; Limekiln Creek Canyon Comment
  UCD149682  Melica torreyana Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD89194  Melica torreyana J. Street 1950-4-25 s.n. Napa 4 mi. E of Rutherford. Comment
  UCSB425  Melica torreyana Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  CDA32528  Melica torreyana P. B. Kennedy 1928-4-15 Napa Blake Estate, south east of Pacific Union College, Angwin 0 Comment
  CHSC83412  Melilotus indicus L. P. Janeway; B. Castro 2002-5-12 7534 Napa Inner North Coast Ranges. Flats along the small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS110791  Melissa officinalis Jake Ruygt 1992-7-10 3080 Napa Yountville Ecological Reserve, Yountville Cross Rd., Napa River 26 Comment
  UCD73499  Melissa officinalis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 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
  JEPS120344  Mentzelia dispersa Jake Ruygt 2005-5-14 4844 Napa Ridge at NE end of County. Knoxville 7.5' Quad. Comment
  UC419720  Mentzelia laevicaulis var. laevicaulis Mrs. H. P. Bracelin 1930-10-19 111 Napa near entrance to (Conn Creek); Sage Canyon Comment
  UCD121166  Micropus californicus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7352 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  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
  CAS-BOT-BC348542  Micropus californicus var. californicus John H. Thomas 1955-5-21 5166 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UC527930  Micropus californicus var. californicus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6655 Napa roadside 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UC1301043  Micropus californicus var. californicus Helen K. Sharsmith 1963-4-20 5347 Napa on Monticello Road San Francisco Bay Region, southwest slope of Napa Range 152 Comment
  UC35584  Micropus californicus var. californicus W. L. Jepson 1893-4-26 Napa hills near Yountville Comment
  JEPS106893  Microseris douglasii subsp. douglasii Jake Ruygt 1997-4-28 3837 Napa East of Highway 29, south of Kelley Road; American Canyon. Cuttings Wharf 7.5' Quad. 21 Comment
  JEPS36148  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin, Conn Valley Comment
  JEPS36151  Microseris douglasii subsp. douglasii W. L. Jepson 1893-5 Napa Howell Mt. Comment
  UC166819  Microseris douglasii subsp. douglasii J. P. Tracy 1902-5-15 1458 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  JEPS110750  Mimulus angustatus Jake Ruygt 1979-5-19 607 Napa Giles Meade Ranch, Atlas Peak Rd. 487 Comment
  JEPS4734  Mimulus angustatus E. V. Ferguson 1920-5-15 351 Napa Howell Mountain Comment
  UCD122156  Mimulus angustatus Kim E. Steiner 1978-4-29 204 Napa Rancho La Jota, 0.4 mi S of Las Posadas State Forest fire station entrance. 563 Comment
  JEPS11430  Mimulus arvensis Willis L. Jepson 1893-4-25 11 m Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, Hoods Peak Range Comment
  UCD122256  Mimulus aurantiacus Bill Wengeler 1995-4-16 s.n. Napa Highway 128, approximately 0.2 miles west of Monticello Dam. 158 Comment
  UCD14919  Mimulus aurantiacus Robert Giorgis 1977-4-17 11 Napa California, Napa Co.; 20 meters northwest of Highway 128, 1 mi. west of Monticello Dam; Comment
  UCD48234  Mimulus aurantiacus J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 14 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD49283  Mimulus aurantiacus C. Mathews; C. Little, K. Glover, and T. Petrie 2001-4-14 18 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; slopes between West Rd. and Decker Bay Trail, 315 ft. N of creek, 160 ft. NE of small dry creek bed. 167 Comment
  JEPS110591  Mimulus floribundus Jake Ruygt 1989-6-17 2366 Napa Van Ness Canyon 597 Comment
  JEPS11030  Mimulus guttatus W. L. Jepson 1897-5-2 30 m Napa sw Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  RSA10697  Mimulus guttatus Carl B. Wolf 1928-5-3 1790 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. 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
  RSA309180  Mimulus guttatus W. L. Jepson 1893-5-1 13 Napa Calistoga. Comment
  SEINET10813590 Image available Mimulus guttatus Charles F. Baker 1903-4-19 Baker 1980 Napa Calistoga. Colonies occasional in muddy meadows near sulphur springs. Comment
  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
  JEPS110588  Mimulus kelloggii Jake Ruygt 1998-4-27 3941 Napa NE corner of the county, on Blue Ridge. 807 Comment
  JEPS9263  Mimulus latidens Willis L. Jepson 1893-4-27 31 m Napa Napa Napa River Basin, Lower Napa Valley 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
  UC1778558 Image available Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  JEPS41075  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9102 Napa about 6 1/2 mi se Knoxville (on a flat 1/2 mi due n of Cedar Valley) 609 Comment
  JEPS110579  Mimulus microphyllus Jake Ruygt 1991-5-25 2693 b Napa Paradise Valley 280 Comment
  UC26985  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UC26989  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD122649  Mimulus microphyllus Richard W. Cleveland 1951-4-8 16 Napa on road from Monticello to Napa, 8 miles east of Napa. Comment
  UC131116  Mimulus nasutus Katharine Brandegee 1909-6-1 Napa Pope Valley grade from Calistoga Comment
  JEPS82744  Mimulus nudatus L. R. Heckard and J. C. Hickman 1984-4-6 6148 Napa se Lake County line (Butts Canyon road); Butts Creek Comment
  UC1778536  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters W of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine;lat corrected from 35 426 Comment
  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
  CDA41826  Mimulus pulsiferae S. E. Schoenig 1998-6-5 98 -24 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  CAS-BOT-BC294747  Minuartia californica R. C. Wenk; E. S. Wenk 2006-4-30 435 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 Comment
  CAS-BOT-BC467200  Minuartia californica L. R. Abrams 1928-5-2 12222 Napa St. Helena Grade Comment
  UC1198337  Minuartia californica Joseph P. Tracy 1935-3-19 13766 Napa on Knight's Valley Rd nw Calistoga (near Napa-Sonoma county line) 213 Comment
  CAS-BOT-BC388759  Minuartia douglasii David D. Keck 1933-5-29 2346 Napa Pope Creek bridge south of Walters Springs Comment
  POM181329  Minuartia douglasii J. T. Howell 1931-4-19 6458 Napa Conn Valley. Comment
  RSA10696  Minuartia douglasii C. B. Wolf 1928-5-3 1791 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SEINET7075537  Minuartia douglasii A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CHSC102526  Mollugo verticillata Lowell Ahart 2009-10-12 16445 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.F 133 Comment
  CAS-BOT-BC488327  Monardella villosa subsp. villosa Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersetion with Berryessa-Knoxville Road 140 Comment
  JEPS62405  Monardella villosa subsp. villosa Willis L. Jepson 1893-6-26 50 m Napa grade to Howell Mt.; Napa River Basin Comment
  UCD166665  Monardella villosa subsp. villosa Jake Ruygt 1998-7-11 4082 Napa Blue Ridge, about 1.5 miles north of Mays Flat. 701 Comment
  UC292738  Monardella viridis W. L. Jepson 1894-10-13 Napa Cam Valley Cam <Conn> Valley (hillsides) Comment
  JEPS112660  Montia fontana Jake Ruygt 1979-4-11 500 Napa 1.3 miles east of Soscol Avenue on Imola Avenue 36 Comment
  CAS-BOT-BC444850  Montia fontana G. DeNevers 1982-3-21 1940 B Napa Napa Range Mt. Along Atlas Peak Road Comment
  JEPS120375  Morus alba Jake Ruygt 1989-9-25 2412 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  UC1198225  Muilla maritima Joseph P. Tracy 1949-4-24 18289 Napa Myrtledale Hot Springs Calistoga 152 Comment
  UCD19937  Myriophyllum sibiricum E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 795 Napa Quail Ridge Reserve. Gorwing along margin of Lake Berryessa. 121 Comment
  JEPS129123  Najas marina Jake Ruygt 2012-11-3 5889 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  SBBG116117  Nassella lepida B. Crampton 1956-5-25 3481 Napa Howell Mtn, above SW corner of Wooden Valley Comment
  UCD81833  Nassella lepida Ellen Dean 2009-4-24 5463 Napa Property at 600 Petrified Forest Road. 170 Comment
  UCD87956  Nassella lepida J. Street 1950-4-25 s.n. Napa 4 miles east of Rutherford. Comment
  CAS-BOT-BC260176  Nassella pulchra Peter H. Raven 1950-4-15 1727 Napa Monticello Road, Napa Valley, near Napa 243 Comment
  CAS-BOT-BC260177  Nassella pulchra John Thomas Howell 1931-4-2 6087 Napa Summit of Wooden Valley Grade 8 miles E of Napa Comment
  SEINET201034  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa Head of Moore's Creek 3-4 miles E of Angwin's. 457 Comment
  UC187237  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD17999  Nassella pulchra Ellen Dean; with Plant Biology 102 class 2001-4-28 730 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD36948  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  CAS-BOT-BC230260  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa Tributary of Putah Creek, Pope Valley Comment
  JEPS70270  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa e end Pope Valley Comment
  POM180787  Navarretia divaricata subsp. vividior J. T. Howell 1930-7-13 5347 Napa On the edge of the Crater Country Comment
  UCD167176  Navarretia heterandra Jake Ruygt 2006-6-13 5054 Napa At the mouth of Harris Canyon, east of Lake Berryessa. 173 Comment
  JEPS15003  Navarretia heterodoxa John Thomas Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  UC143008  Navarretia heterodoxa Mrs. K. Brandegee 1910-7-28 139 Napa Angwin Comment
  UC335957  Navarretia heterodoxa C. C. Parry 1881-8-3 Napa Calistoga Comment
  UCD48411  Navarretia heterodoxa Heidi E. M. Dobson 1978-6-29 346 Napa California, Napa County: East slope of Mt. Veeder. Comment
  JEPS70314  Navarretia heterodoxa Willis L. Jepson 1893-6-24 20960 Napa ne of Napa (grade to Napa Soda Springs); Napa River Basin Comment
  JEPS16710  Navarretia intertexta Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4126 Napa 5.25 mi n Calistoga (along road to Middletown (State Highway 29)) 411 Comment
  UCD48439  Navarretia jepsonii Robert E. Preston 1988-4-10 583 Napa Napa Co.; W-facing serpentine slope and serpentine flat, ca. 2100 ft ESE of the confluence of Putah and Hunting Creeks; (Jercicho Valley 7.5' quad). 274 Comment
  JEPS112560  Navarretia leucocephala subsp. bakeri Jake Ruygt 1996-5-19 3709 Napa Between Barnett Road and Pope Valley Rd 201 Comment
  JEPS95201  Navarretia leucocephala subsp. bakeri Jake Ruygt 1996-5-19 3709 Napa between Barnett Rd and Pope Valley Rd 201 Comment
  JEPS112557  Navarretia mellita Jake Ruygt 2000-6-10 4266 Napa Berryessa-Knoxville Rd at old homestead near Zim- Zim Creek 304 Comment
  CAS-BOT-BC232669  Navarretia pubescens John Thomas Howell 1929-5-30 4267 Napa 4 miles E of Samuel Springs on Pope Valley Creek, Napa Range Comment
  UCD167197  Navarretia pubescens Jake Ruygt 1991-5-25 2695 Napa Paradise Valley. 274 Comment
  UCD48623  Navarretia pubescens Katherine Lahey 1981-5-24 102 Napa Napa Co. 2.2 mi S of junction State Hwy's 128 and 121 on Hwy 128 roadside. 243 Comment
  JEPS123265  Navarretia rosulata David Gowen with Jake Ruygt 2011-6-11 1157 Napa Cedar Roughs. Comment
  UCD167199  Navarretia squarrosa Jake Ruygt 1982-7-18 1375 Napa Deer Park Road at Four Corners. 414 Comment
  HSC89995  Navarretia viscidula W. L. Jepson 1942-8-4 20731 Napa Adam-and-Eve Ridge, Howell Mtn. Comment
  JEPS70499  Navarretia viscidula W. L. Jepson 1938-9-22 19015 Napa near Sanitarium (in Lyons Valley, in lower slopes of Howell Mt.); Howell Mt., Lyons Valley Comment
  UCD48715  Navarretia viscidula Herbert L. Mason 1935-5-30 8321 Napa Fields just south of the Napa State Hospital, Napa County, California. Comment
  SEINET1869547  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-1 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake reservoir. Comment
  UCD126390  Nemacladus montanus Robert E. Preston 1987-6-20 569 Napa 3/4 mile north of Round Corral in Big Basin. 268 Comment
  SEINET3815165 Image available Nemacladus rigidus Herbert L. Mason 1935-5-30 10000 Napa Four miles N of Knoxville Mines Comment
  JEPS79577  Nemophila heterophylla Edward Lee with A. Carter and E. Crum 1936-3-15 1796 Napa 3.4 mi out Rutherford (Rutherford-Pope Valley Road); <near> Rutherford Comment
  UCD48047  Nemophila heterophylla M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 5 Napa McLaughlin UC Reserve. SW of town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UCD49093  Nemophila heterophylla A. Van Houtte; E. Leger and C. Hohn 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., in drainage NW and upslope of Decker Canyon stock pond. 152 Comment
  POM248912  Nemophila heterophylla Lincoln Constance 1938-3-27 2035 Napa East slope 5 miles east of Napa, in the Howell Mountains, North Coast Ranges. 457 Comment
  POM65290  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena. Comment
  RSA10661  Nemophila heterophylla Carl B. Wolf 1928-5-3 1828 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UCD149685  Nemophila menziesii Stephen P. Rae; Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  HSC13592  Nemophila menziesii Greg Bos 1963-3-30 62 Napa 27 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  UC619287  Nemophila menziesii Mrs. L. A. R. Peckinpah 1898-3-11 Napa e Yountville (foothills Napa Range); foothills Napa Range e of Yountville Comment
  UCD120235  Nemophila menziesii M. Wiesendanger 1928-4-5 853 Napa Monticello. Comment
  UCD23404  Nemophila menziesii Eva Kurth 1977-4-24 199 Napa Proximal part of petals white, distal part sky blue, with longitudinal rows of small purple spots. In full sun in meadow. Berryessa Knoxville Rd. 2.3 miles SE of Knoxville Mine. 304 Comment
  JEPS1880  Nemophila menziesii var. atomaria Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  CDA12056  Nemophila menziesii var. menziesii G. F. Hrusa, J. Messina 1989-3-3 5887 Napa North Coast Biodiversity Arena; Along Hwy 128 approx. 2 miles W of Monticello Dam (Lake Berryessa). Comment
  JEPS110843  Nemophila menziesii var. menziesii Jake Ruygt 1997-3-18 3912 Napa Conn Valley Road, 4 mi E from Silverado Trail 103 Comment
  JEPS110824  Nepeta cataria Jake Ruygt 1979-7-28 778 Napa 1.8 miles east of HWY 29 on Livermore Rd 576 Comment
  UCD166672  Nepeta cataria Jake Ruygt 1992-8-3 3114 Napa Green Valley Ranch, end of Green Valley Road. 295 Comment
  JEPS12278  Nicotiana acuminata var. multiflora W. L. Jepson 1939-9-11 19475 Napa near St. Helena (flats near Napa River) Comment
  POM180778  Nicotiana bigelovii J. T. Howell 1930-9-19 5601 Napa Conn Creek near entrance of Sage Canyon, Napa Valley. Comment
  JEPS113971  Odontostomum hartwegii Jake Ruygt 1992-5-25 3003 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UC1197138  Oenanthe sarmentosa Joseph P. Tracy 1938-8-7 16094 Napa Yountville 30 Comment
  UCD123203  Orobanche fasciculata W. M. Grannell 1950-4-27 17 Napa Putah Canyon. Comment
  CDA42041  Orobanche fasciculata D. Irving Grover 1965-6-1 s.n. Napa Howell Mountain area. 0 Comment
  UCD167256  Orobanche fasciculata Jake Ruygt 1992-5-12 2955 Napa Tuteur Ranch, NE of reservoir on Spencer Creek. 249 Comment
  UC1197452  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1902-5-16 1494 Napa Northern Coast Ranges. Howell Mountain, at head of Moore's Creek, 3-4 miles east of Angwin's. Comment
  JEPS110567  Orobanche valida subsp. howellii Jake Ruygt 1986-6-14 1823 Napa Craters, canyon at head of Table Rock 707 Comment
  JEPS60260  Orobanche valida subsp. howellii L. R. Heckard 1969-7-13 2331 Napa Mt. St. Helena; se of lookout, below and s of the radar installation 1219 Comment
  JEPS80612  Orobanche valida subsp. howellii Glenn Clifton 1981-1-1 7863 Napa Devilhead Creek Knoxville Quad., Devilhead Creek Comment
  RSA202268  Orthocarpus faucibarbatus L. D. Thurman 1964-4-15 392 Napa 5 miles north of Napa on Silverado trail. Comment
  RSA195330  Orthocarpus lithospermoides var. bicolor Gilbert Muth 1967-5-25 701 Napa [No location information provided.] 15 Comment
  JEPS15890  Osmorhiza berteroi John Benson 1887-1-1 Napa Comment
  JEPS122735  Oxalis pilosa Jake Ruygt 1994-5-25 3391 Napa Westwood Hills Park, Browns Valley Road. Quad: Napa. Comment
  UC87211  Packera clevelandii Katharine Brandegee 1910-7-2 Napa near Aetna Springs Comment
  CAS-BOT-BC316874  Packera eurycephala var. eurycephala Dennis E. Breedlove 1963-5-29 5061 Napa 4.5 miles north of Pope Valley Comment
  CAS-BOT-BC316876  Packera eurycephala var. eurycephala T. M. Barkley; N. D. Burroughs 1964-6-19 300 Napa on road between Aetna Springs and junction of Pope Valley-Middletown Road; one mile east of Aetna Springs Comment
  CAS-BOT-BC316877  Packera eurycephala var. eurycephala Joseph Andorfer Ewan 1934-4-30 8826 Napa Near Samuels Springs above Monticello on Pope Valley Grade Comment
  UC577240  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa 1 mi below Samuels Springs; Pope Creek Comment
  UC662433  Packera eurycephala var. eurycephala E. B. Copeland 1941-5-7 Napa 10 to 20 mi n Monticello; North Coast Ranges Comment
  CAS-BOT-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
  JEPS23639  Packera greenei R. F. Hoover 1941-6-8 5319 Napa e side Mt. St. Helena Comment
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  CAS-BOT-BC253676  Panicum capillare Beryl O. Schreiber 1936-9-20 2355 Napa 5 miles S of Reiff 762 Comment
  CAS-BOT-BC253677  Panicum capillare R. F. Hoover 1966-8-23 9933 Napa Butts Canyon near Lake County line Comment
  RSA126981  Panicum capillare B. O. Schreiber 1936-9-20 2355 Napa 5 miles south of Reiff 762 Comment
  UCD89499  Panicum capillare Beecher Crampton 1963-9-19 6897 Napa n. end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  JEPS122959  Parapholis incurva Jake Ruygt 1993-5-8 3252 Napa South of Fagan Slough near edge of Napa Marsh. Quad: Cuttings Wharf. Comment
  UC1300832  Parvisedum pumilum Helen K. Sharsmith 1963-4-20 5342 Napa San Francisco Bay Region, southern slopes of Mount Atlas Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  CAS-BOT-BC202809  Paxistima myrsinites James R. Shevock; Roger Raiche 1989-4-17 11850 Napa Trail to the Cedars off of California hihway 29 east of Roert Louis Stevenson Memorial State Park 762 Comment
  JEPS68193  Pectocarya penicillata W. L. Jepson 1893-5-1 21224 Napa w Calistoga Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS68220  Pectocarya pusilla Willis L. Jepson 1893-3-13 21091 Napa Hills near St. Helena Napa River Basin Comment
  CHSC22786  Pedicularis densiflora Carol Getzinger 1964-3-24 15 Napa Mt. Veeder Road, 0.3 mi s of jct with Dry Creek Road. 548 Comment
  CAS-BOT-BC488326  Pedicularis densiflora Alice Eastwood 1922-3-25 11097 Napa Calistoga Comment
  JEPS10357  Pedicularis densiflora Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Peak Comment
  JEPS81589  Pedicularis densiflora R. Raiche 1982-3-7 20212 Napa adjacent of Detert Reservoir (on Butts Canyon Road, ne side of reservoir) Comment
  RSA10634  Pedicularis densiflora Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  UCD36151  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UCR196230  Pellaea andromedifolia Yumee Kim, L. Bachman, P. Lalbhai 2002-4-13 06 Napa McLaughlin UC Reserve. North of Berryessa-Knoxville Road, just southwest of the old town of Knoxville 427 Comment
  CDA11897  Pellaea mucronata var. mucronata G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCD149673  Pellaea mucronata var. mucronata Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  SEINET13260501  Pellaea ornithopus Unknown 1934-1 8671 Napa Sarco Creek, 5 mi above Napa Comment
  JEPS11373  Penstemon heterophyllus var. heterophyllus Alice King July, 1919 Napa Van Ness Ranch , Van Ness Ranch (Mt. St. Helena) Comment
  JEPS7564  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1893-6-26 21434 Napa Howell Mt. Comment
  CAS-BOT-BC245715  Penstemon newberryi var. sonomensis Belle R. Jackson 1930-6-20 s.n. Napa At the monument, summit of Mt. St. Helena Comment
Read comments
Jan 13 2018
  SEINET11198823  Penstemon venustus J. A. Ewan 1934-6-30 8846 Napa 5 mi S of Monticello on Steel Canyon rd. Comment
  JEPS60097  Pentagramma triangularis subsp. triangularis W. L. Jepson 1936-5-29 17552 Napa Adam and Eve Ridge Howell Mt Comment
  UC399577  Pentagramma triangularis subsp. triangularis H. P. Chandler 1907-5-30 7597 Napa White Sulphur Spring St. Helena Comment
  CAS-BOT-BC71675  Pentagramma triangularis subsp. triangularis Jean Fottrell 1906-7-1 s.n. Napa unspecified Comment
  CAS-BOT-BC71677  Pentagramma triangularis subsp. triangularis Betty H. Johnson 1958-6-20 275 Napa above Old Toll Road, ca. 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  UC178642  Perideridia gairdneri subsp. gairdneri K. Brandegee Aug. 1888 Napa Howell Mountain Comment
  JEPS104485  Perideridia kelloggii Jake Ruygt 1991-7-24 2799 b Napa Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  UCD167138  Perideridia oregana Jake Ruygt 2015-5-23 6109 Napa Missimer - Snell Valley Preserve. 178 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
  UCSB61652  Persicaria punctata Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; below spillway on N side of Rt 128, 91 Comment
  UCD47958  Petrorhagia dubia Ryan Knox; E. McDermott and G. Walden 2002-4-13 9 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on north side of road near calcium seep area. 453 Comment
  UC914301  Phacelia distans Verne Grant and Alva Grant 1947-4-19 7939 a Napa on Monticello rd 8 mi from Vichy Springs (e slope of mts.); Mayacama Mts. Comment
  UCD120436  Phacelia distans M. Wiesendanger 1927-5-4 670 Napa Near Monticello. Comment
  UC131126  Phacelia egena Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  JEPS78806  Phacelia egena John W. Willoughby 1976-5-18 1688 Napa w side of ridge near top Vaca Mountains (latitude approx. that of Mt. Vaca) 762 Comment
  UCD170812  Phacelia heterophylla subsp. virgata 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UC131125  Phacelia imbricata Katharine Brandegee 1909-6-1 Napa from Calistoga Pope Valley grade Comment
  UC24382  Phacelia imbricata H. P. Chandler 1900-5-7 625 Napa Rutherford Comment
  JEPS110865  Phacelia imbricata subsp. imbricata Jake Ruygt 1977-4-17 190 Napa Oat Hill Mine Rd., .2 mile east of HWY 29 176 Comment
  UC146180  Phacelia ramosissima var. ramosissima Joseph P. Tracy 1904-5-23 2088 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS110799  Phacelia tanacetifolia Jake Ruygt 1981-4-18 980 Napa Harris Canyon 365 Comment
  CAS-BOT-BC265789  Phalaris aquatica J. H. Thomas 1960-8-29 8841 Napa About 1 mile north of Calistoga along Highway number 53 Comment
  CAS-BOT-BC265792  Phalaris aquatica Peter H. Raven 1951-6-24 3025 Napa Brown's Valley to Napa-Sonoma Road 91 Comment
  UCD88033  Phalaris aquatica Beecher Crampton 1962-5-16 6428 Napa Aetna Springs. Comment
  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
  UC23584  Phlox gracilis Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  JEPS110813  Phoradendron densum Jake Ruygt 1979-6-9 692 Napa .5 miles west of Berryessa-Knoxville Rd. on Devilshead Rd. 475 Comment
  UCD102235  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. 380 Comment
  UCD164735  Pickeringia montana Jake Ruygt 2014-6-23 6014 Napa Sutro Ranch, Atlas Peak. 544 Comment
  UC17044  Pickeringia montana var. montana W. H. Brewer July 1862 1313 Napa hills near Rockville Comment
  JEPS103974  Pilularia americana Jake Ruygt 1996-5-19 3712 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  CAS-BOT-BC73326  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  SD136373  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  SD27919  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  UC766769  Pinus attenuata R. F. Hoover 1941-4-27 4949 Napa e side of Mt. St. Helena Mt. St. Helena Comment
  CAS-BOT-BC72882  Pinus ponderosa Peter H. Raven 1954-2-22 6417 Napa Hills n. of White Sulphur Spr., w. of St. Helena. 152 Comment
  UCD161508  Pinus radiata Marcel Rejmanek 2015-10-13 s.n. Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, adjacent to Research Station. 411 Comment
  JEPS103996  Pinus sabiniana Jake Ruygt 1997-11-1 3876 Napa Stags Leap 432 Comment
  JEPS46891  Pinus sabiniana W. L. Jepson 1906-12-29 262 b Napa St. Helena St. Helena (above Sanitarium) Comment
  UC1196425  Piperia transversa J. P. Tracy 1899-6-14 446 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD74374  Plagiobothrys bracteatus Jake Ruygt 2008-5-21 5339 Napa Near Wildlake Ranch, pond south of Walnut Flat. St. Helena. 664 Comment
  UC24553  Plagiobothrys cusickii Willis L. Jepson 1893-5-8 Napa Angwin's Meadow Napa River Basin, Howell Mt. Comment
  UCD164866  Plagiobothrys greenei Jake Ruygt 2012-4-21 5826 Napa Crystal Flats, west of Putah Creek. 259 Comment
  HSC3767  Plagiobothrys nothofulvus Greg Bos 1963-3-3 24 Napa W shore of Lake Berryesa 152 Comment
  UCD23372  Plagiobothrys nothofulvus Rebecca L. Moehlmann 1977-4-16 16 Napa White flowers, pentamerous, pubescent. Foothill woodland with blue oak, live oak and digger pine. Beside Hwy 128, 6.4 miles southwest of Monticello Dam, roadside. Wragg Canyon. 198 Comment
  SEINET12275936  Plagiobothrys scriptus P. H. Raven 1957-1 10741 Napa near the hot springs at the airport, Calistoga Comment
  UCD37574  Plagiobothrys stipitatus Beecher Crampton 1955-4-7 2447 Napa Napa County, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville. Comment
  JEPS129019  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2016-5-7 6237 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD48656  Plagiobothrys stipitatus var. micranthus A. Collier; D. Caterson and S. Kenady 2002-5-4 1 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads, near stock pond. 320 Comment
  JEPS106762  Plagiobothrys strictus Jake Ruygt 1996-4-11 3589 Napa Calistoga Airport 105 Comment
  JEPS24591  Plagiobothrys strictus E. L. Greene 1892-4-20 Napa Calistoga; about sulphur springs Comment
  JEPS24975  Plagiobothrys strictus W. L. Jepson 1893-5-2 Napa Calistoga Comment
  SBBG54670  Plagiobothrys strictus P. H. Raven 1957-5-5 10741 Napa near the hot springs at the airport, Calistoga Comment
  JEPS106760  Plagiobothrys tenellus Jake Ruygt 1986-4-20 1718 Napa The Palisades 755 Comment
  JEPS68149  Plagiobothrys tenellus W. L. Jepson 1897-5-2 21148 Napa St. Helena Napa Valley Comment
  RSA170256  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa Howell Mountain; on La Jota Plateau in Las Posadas State Forest. Comment
  JEPS21208  Plagiobothrys tener var. subglaber B. O. Schreiber 1938-4-24 2499 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  RSA368994  Plagiobothrys undulatus Robert Gustafson, Don Reynolds 1983-6-7 2731 Napa Hwy 29, about 2 miles south of Imola Ave. on east side of road. Comment
  JEPS110788  Plantago coronopus Jake Ruygt 1994-6-7 3396 Napa Calistoga Airport 109 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
  JEPS7122  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa e of Yountville Comment
  UCD18368  Plantago lanceolata R. Wenk 2000-5-14 4 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  RSA523626  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa Hills to east of Yountville, on east side of road. Comment
  SFV8386  Platystemon californicus J. F. Addicott 1965-3-19 3 Napa Along Dollarhide Road, about 3.5 miles east of Pope Valley. 183 Comment
  UCR12060  Platystemon californicus Coleta A. Lawler 1964-3-24 09 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  CAS-BOT-BC91873  Platystemon californicus David D. Keck 1931-4-2 1056 Napa Monticello. Comment
  HSC16791  Platystemon californicus Greg Bos 1963-3-30 67 Napa 7 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  SEINET5718796 Image available Platystemon californicus Stephen Randall 1974-1 1 Napa 1 air mile SW of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  UC635474  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa between Calistoga and Petrified Forest; between Calistoga and Petrified Forest Comment
  UCD167243  Platystemon californicus Jake Ruygt 1986-4-19 1712 Napa 0.4 mile east of Flosden Road on American Canyon Road. 146 Comment
  JEPS4807  Plectritis brachystemon W. L. Jepson 6259 Napa Conn Valley Comment
  UCD14929  Plectritis ciliosa Gail Matson 1977-4-16 21 Napa 6.4 miles southwest of Monticello Dam along Highway 128; 213 Comment
  JEPS5148  Plectritis ciliosa subsp. ciliosa W. L. Jepson 1893-4-28 Napa ne of Napa City (Franchos Creek); Napa Range, Franchos Creek Comment
  UCD137533  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Monticello Dam, off State Highway 128. Comment
  JEPS5124  Plectritis macrocera Miss R. Kuhn 1912-4-10 Napa Oakville Comment
  UC168965  Plectritis macrocera Joseph P. Tracy 1902-5-15 1483 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  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
  UCR30544  Pleuropogon californicus John C. Roos 1939-4-1 310 Napa Calistoga 111 Comment
  SEINET10611516  Pleuropogon californicus var. californicus A. Arthur Heller 1924-4-12 Heller 13851 Napa Stiff clay soil near the mound at one of the hot springs, Calistoga. Comment
  SBBG29002  Poa annua B. Crampton 1967-5-15 Napa 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  CAS-BOT-BC246847  Poa napensis John Thomas Howell 1967-5-18 42244 Napa North of Calistoga Comment
  JEPS122929  Poa napensis Jake Ruygt 1996-4-11 3596 Napa Calistoga Airport. Quad: Calistoga. Comment
  UCD36594  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  NY431291  Poa napensis A. A. Beetle 1946-5-7 4256 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC255949  Poa pratensis Peter H. Raven 1951-5-26 2890 Napa Howell Mtn. above Pope Valley 304 Comment
  RSA10120  Poa secunda Joseph P. Tracy 1933-4-30 12118 Napa Near Angwin Creek on Howell Mountain 457 Comment
  UCD121143  Poa secunda Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7344 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
  UCD18067  Poa secunda subsp. secunda Ellen Dean; with Plant Biology 102 class 2000-4-22 622 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., E side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD90997  Poa secunda subsp. secunda Frank Gordon 1924-5-1 s.n. Napa Suisun Valley. Comment
  UC1239670  Pogogyne douglasii Joseph P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 Comment
  UCD77928  Pogogyne douglasii Robert E. Preston 2002-6-17 1821 Napa Pope Valley, along Pope Canyon Rd, 0.5 mi N of its jct with Pope Valley Cross Rd. 187 Comment
  UC1988917  Pogogyne douglasii Alice Eastwood and John Thomas Howell 1939-6-11 Napa near Calistoga Comment
  UCD166670  Pogogyne douglasii Jake Ruygt 1982-6-13 1317 Napa Cedar Roughs near Guilliam Springs. 320 Comment
  SEINET9289847  Pogogyne serpylloides Unknown 1993-5-1 10972 Napa Napa Co., CA Comment
  UCD49103  Pogogyne serpylloides A. Collier; D. Caterson and S. Kenady 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  CDA3400  Polycarpon tetraphyllum J. T. Howell 1943-6-2 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  RSA0036083  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  RSA40153  Polycarpon tetraphyllum J. T. Howell 1943-6-20 18242 Napa Hills W of Napa Valley between St. Helena and Mt. St. John. 229 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
  CHSC102524  Polygonum arenastrum Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  RSA755361  Polygonum arenastrum L. Ahart 2009-10-12 16457 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
  CAS-BOT-BC109159  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Howell Mountain. Comment
  UC6671  Polygonum bolanderi Bolander 1863-9-20 2649 Napa e Napa Valley; ; among rocks near Napa in field notes Comment
  POM192997  Polygonum californicum H. P. Bracelin 118 Napa 1 mile of Etua Springs Comment
  UC6676  Polygonum californicum Brewer 856 Napa Napa Hills Comment
  UC1299692  Polygonum hydropiper Freed W. Hoffman 1946-8-20 1264 Napa below Conn Lake Dam; North Coast Ranges Comment
  JEPS50624  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mountain Comment
  JEPS50631  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin 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
  JEPS115776  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 W 133 Comment
  UC126475  Polygonum punctatum Harley P. Chandler Sep 7 1906-Sep 14 1906 7110 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD136953  Polypodium calirhiza G. F. Hrusa 1994-1-29 11589 Napa At head of Hennessey Lake on S side of Hwy 128. 270 Comment
  UCD136973  Polypodium calirhiza D. H. Hartmann 1942-3-7 s.n. Napa Green Valley. Comment
  RSA769221  Polypogon interruptus L. Ahart 2009-10-12 16466 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
  UCD91019  Polypogon interruptus August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena. Comment
  JEPS103976  Polystichum californicum Jake Ruygt 1979-7-28 773 Napa 2.1 miles NW of Madrona on Spring Mountain Road 207 Comment
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  CAS-BOT-BC445239  Portulaca oleracea R. E. Frenkel 1963-10-27 292 Napa In the vinyard north of Oakville Cross Road Comment
  UCD144220  Prosartes hookeri G. F. Hrusa; G. L. Stebbins 1994-4-8 11708 Napa Las Posadas State Forest. Upper Moore's Creek. 450 Comment
  JEPS112641  Prunella vulgaris var. lanceolata Jake Ruygt 1982-6-29 1346 Napa .3 mile south of Old Bale Mill on east side of HWY 29 88 Comment
  JEPS110552  Prunus cerasifera Jake Ruygt 1980-3-13 809 Napa .4 mile south of Hagen Rd. on Third Ave. 51 Comment
  JEPS44960  Prunus subcordata W. L. Jepson 1925-9-27 10747 Napa Howell Mountain Comment
  UC12814  Prunus subcordata W. L. Jepson 1891-6-1 Napa Vaca Mountains Comment
  UCR23507  Prunus subcordata John C. Roos 1939-3-31 307 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  POM139938  Prunus virginiana var. demissa Alice Eastwood 1922-5-5 11295 Napa Mount St. Helena. Comment
  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
  JEPS20436  Pseudognaphalium californicum W. L. Jepson 1936-5-31 17565 Napa in the chamisal on Howell Mountain (at hair-pin turn of the road between the Sanitarium and Four Corners); Napa Range, Howell Mountain Comment
  JEPS106909  Pseudognaphalium luteoalbum Jake Ruygt 1987-7-23 2079 Napa Willis Dr., Napa 15 Comment
  JEPS115745  Pseudognaphalium luteoalbum Lowell Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winter 133 Comment
  UCD146333  Pseudognaphalium microcephalum 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
  UC127187  Pseudognaphalium thermale Harley P. Chandler Sep 7 1906-Sep 14 1906 7108 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CAS-BOT-BC80152  Pseudotsuga menziesii Elsa G. Ruckert 1960-2-27 12 Napa 6495 Dry Creek Road, west of house 365 Comment
  UC245  Pseudotsuga menziesii var. menziesii Mrs. D. O. Hunt 1899-2-26 Napa Glass Mt. St. Helena, Glass Mt. Comment
  JEPS129114  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2015-5-6 6090 Napa East side of Highway 221, south of Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UC1111581  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1935-5-30 2837 Napa just s Napa State Hospital Comment
  UCD161756  Psilocarphus oregonus Jake Ruygt 1996-5-19 3711 Napa west of Barnett Road near Burton Creek, (Peju Pr) Pope Valley. 201 Comment
  UCD117072  Ptelea crenulata Cherry Kline 1964-5-8 72 Napa State Highway 128, between Monticello Dam and junction with State Highway 37, 3 miles SW of Monticello Dam. Comment
  JEPS106406  Pyrola aphylla Jake Ruygt 1991-6-29 2750 Napa .7 mile south of White Cottage Rd. on Howell Mtn Rd. 554 Comment
  UCD39141  Pyrrocoma racemosa Beecher Crampton 1964-8-18 7154 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  LA26108  Quercus X chasei J. M. Tucker; 1954-9-23 2757 Napa beside Hwy 37, 6.5 miles (by road) S of junction with Hwy 28 Comment
  UC1275954  Quercus X chasei J. M. Tucker 1954-9-23 2757 Napa 6.5 mi (by road) s Highway 37 junction with Highway 28 (beside Highway 37) Comment
  UCD45325  Quercus X chasei J. M. Tucker 1994-10-29 s.n. Napa California, Napa Co., Mt. George, north-ne. side, ca. 400 m. 400 Comment
  UCD148749  Quercus X morehus Jake Ruygt 2007-2-18 5120 Napa Napa County; Las Posadas State Forest; on ridge between Uncle John and Moore Creeks. 432 Comment
  UCD170369  Quercus X morehus Daniel Potter; N Khuu, K Battenberg 2016-4-30 867 Napa Knoxville Wildlife Area, east of Nevada Creek Comment
  UCR88371  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa Quail Ridge Reserve, near Lake Berryessa. 146 Comment
  CAS-BOT-BC61809  Quercus agrifolia J. M. Tucker 1954-9-23 2757 Napa beside Highway 37, 6.5 miles (by road) south of junction with Highway 28 Comment
  CAS-BOT-BC61810  Quercus agrifolia unspecified 1939-10-1 s.n. Napa Napa Comment
  JEPS37368  Quercus agrifolia W. L. Jepson 1907-12-1 2971 Napa Sanitarium Hill road Napa Valley Comment
  JEPS46630  Quercus agrifolia W. L. Jepson Nov 1901 Napa grade to Sanitarium St. Helena Comment
  RSA181899  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa St. Helena; Napa River Basin Comment
  SACT002605  Quercus agrifolia John Willoughby 1976-5-18 Napa Not far below top latitude about that of Mount Vaca, with Pinus sabiniana. Note tufts of hair in vein islets. Comment
  CDA35900  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Upper end of Lake Hennessey along Hwy 128. Comment
  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
  UCD148747  Quercus berberidifolia Jake Ruygt 2000-10-9 4287 Napa Napa County; south of Snell Peak on ridge. 396 Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  CAS-BOT-BC85934  Quercus douglasii H. E. McMinn 1922-8-3 365 Napa near Lake Co. line between Aetna Springs and Middleton Comment
  CAS-BOT-BC85936  Quercus douglasii Alice Eastwood 1918-9-3 7954 Napa Mt. St. Helena Comment
  POM263157  Quercus douglasii J. C. Roos 1939-3-27 280 Napa Pope Valley Comment
  UC993149  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
  UCD121176  Quercus douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7356 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
  UCD45635  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa, abundant on canyon slopes. Comment
  UCD45748  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 11 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  CAS-BOT-BC79833  Quercus durata John Thomas Howell 1933-8-24 3045 Napa Canyon of Pope Valley Creek below Walter's Springs, Napa Range Comment
  CAS-BOT-BC79839  Quercus durata John M. Tucker; G. L. Stebbins 1950-11-5 2011 -7 Napa below Conn Valley dam, hillside across creek from the picnic area Comment
  CAS-BOT-BC79841  Quercus durata Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC79847  Quercus durata H. E. McMinn 1922-6-8 167 Napa summit of Howell Mt. Comment
  SFV17680  Quercus durata J. M. Tucker, G. L. Stebbins, Jr. 1950-11-5 2007 30 Napa Beside road up Howell Mountain, 5.6 miles north of St. Helena. Comment
  UC55939  Quercus durata J. P. Tracy 1902-5-21 1582 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD14805  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -6 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; 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
  UCD14807  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -5 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14811  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -13 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14839  Quercus durata John M. Tucker 1950-11-12 2014 -17 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14845  Quercus durata John M. Tucker 1950-11-12 2014 -23 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  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
  UCD14847  Quercus durata John M. Tucker 1950-11-12 2014 -26 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149624  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Chiles Valley. Comment
  UCR219490  Quercus durata var. durata Jake Ruygt 1980-4-22 854 Napa Devilshead Road 476 Comment
  JEPS37948  Quercus garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  UCD83398  Quercus garryana Jake Ruygt 1992-7-18 3099 Napa Green Valley Ranch, end of Green Valley Rd. 329 Comment
  RSA151  Quercus garryana var. garryana J. T. Howell 1927-8-23 684 Napa Chiles Valley, Napa Range. 213 Comment
  UCD46082  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. 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-BC105302  Quercus kelloggii Elsa G. Ruckert 1960-4-2 59 Napa 6495 Dry Creek Road, woods SW of house 300 yards 365 Comment
  CAS-BOT-BC105303  Quercus kelloggii Ella Dales Cantelow 1939-4-8 2502 Napa Howell Mountain Comment
  JEPS37754  Quercus kelloggii W. L. Jepson 1896-2-22 14829 Napa Howell Mt. Comment
  JEPS37761  Quercus kelloggii Willis L. Jepson 1901-8-6 1719 Napa St. Helena Napa River Basin Comment
  UCD14958  Quercus kelloggii John M. Tucker 1976-10-24 4383 Napa California, Napa County: Beside Dry Creek Road, 0.8 mi. east of junction with Wall Road, and 5 mi. (by road) southwest of Oakville. Comment
  CAS-BOT-BC62877  Quercus lobata Peter H. Raven 1952-8-28 5159 Napa Near Napa Soda Springs 228 Comment
  JEPS37358  Quercus lobata Willis L. Jepson 1901-8-6 1737 Napa St. Helena Napa River Basin Comment
  UCD49050  Quercus lobata Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near dilapidated buildings. 152 Comment
  UCD149631  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam area at Route 128. Comment
  UCD47491  Quercus wislizeni John M. Tucker 1941-9-20 397 Napa On road bank; Putah Canyon, a short distance west of Redbud Park, Napa County, California. Comment
  UCD49052  Quercus wislizeni var. wislizeni S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 6 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
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 Comment
  JEPS110889  Ranunculus arvensis Jake Ruygt 1991-5-6 2646 Napa Wantrop Preserve, Pope Valley 184 Comment
  CAS-BOT-BC378489  Ranunculus californicus var. californicus Elsa G. Ruckert 1960-4-24 115 Napa 6495 Dry Creek Road; road leading in to property and meadows to left and right 365 Comment
  CAS-BOT-BC83414  Ranunculus lobbii W. R. Dudley 1895-2-23 s.n. Napa By road at head of Napa Valley. Comment
  JEPS110881  Ranunculus lobbii Jake Ruygt 1981-3-29 958 Napa Suscol plain near Kaiser Steel (Rocktram 3 Comment
  POM268693  Ranunculus lobbii W. L. Jepson 1893-5-1 s.n. Napa Upper Napa Valley, near Calistoga; Napa River basin Comment
  UC9460  Ranunculus lobbii Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin, upper Napa Valley Comment
  UCD159791  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  UCD17979  Ranunculus muricatus Ellen Dean; with Plant Biology 102 class 2001-4-14 704 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  JEPS55165  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  JEPS60702  Ranunculus occidentalis W. L. Jepson 1920-5-25 9044 Napa Knoxville Ridge; ne Napa Co. 670 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
  UCD96938  Ranunculus occidentalis H. Popenoe 1949-4-17 9 Napa 17 miles from Winters, at entrance to Monticello Valley. Comment
  SEINET200318  Ranunculus occidentalis var. rattanii J. P. Tracy 1902-5-22 1631 Napa Hills at head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn Northern Coast Ranges 366 Comment
  JEPS110878  Ranunculus orthorhynchus Jake Ruygt 1992-3-25 2861 Napa south end of Wooden Valley, Wild Horse Valley Ranch 179 Comment
  UC135583  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga Comment
  POM149990  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga. Comment
  UC162818  Ranunculus pusillus Joseph P. Tracy 1902-5-18 1531 Napa La Jota Plateau Northern Coast Region, Howell Mountain (on hills at head of Moore's Creek, 3-4 mi e of Angwin's) 518 Comment
  SEINET8889133 Image available Raphanus raphanistrum Alex Lasseigne 2003-1 13722 Napa vicinity of empty field near Marina, on Hwy 37 to Napa Valley. Comment
  UCD116484  Reseda luteola K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  HSC103814  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. Fred Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. 150 Comment
  CDA7607  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville Comment
  UCD48086  Rhamnus ilicifolia Ryan Knox; E. McDermott, G. Walden 2002-4-13 7 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, near Knoxville Creek. 432 Comment
  JEPS106404  Rhododendron occidentale Jake Ruygt 1990-6-23 2597 Napa White Creek, Wild Horse Valley Ranch 390 Comment
  UC1017696  Rhododendron occidentale Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 mi ne of Napa Comment
  UCD117978  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  UCD20691  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 3 Napa Napa County, NE side of Butts Canyon Rd. along NE side of Butts Creek, at Napa 19.75 marker. In 5' of low water, crowns 1-2' above low water, submerged 1.5-3' at flood levels. Comment
  UCD68033  Rhododendron occidentale Allen Barnes 1976-6-1 24 Napa On highway 128, 3.9 miles Northwest of Moskowite Corners, approximately 200 yds West of roadside. Found on canyon slopes, in a moist area near creek, common but not numerous. A large bush, 3-5 ft. high. Flowers, creamy yellow and sticky. Comment
  UCD167072  Rhododendron occidentale Jake Ruygt 2007-6-28 5238 Napa Suscol Creek, about 1/2m mile east of Highway 221. 64 Comment
  JEPS58769  Rhododendron occidentale var. occidentale Alice King Jul 1919 Napa Mt. Helena Comment
  UC1543120  Rhus trilobata Charlotte G. Nast 1936-3-27 39 Napa Putah Canyon Comment
  UC17961  Rhus trilobata Willis L. Jepson 1894-5-1 Napa Bonn Creek; Napa River Basin Comment
  SEINET12237641  Rhus trilobata F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -314 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS126022  Ribes californicum var. californicum Jake Ruygt 1977-3-6 140 Napa East of Basalt Rock quarry. Mount George 7.5' Quad. Comment
  CAS-BOT-BC168937  Ribes malvaceum Milo S. Baker 1931-4-1 5096 Napa In canyon 5 mi. N.E. of Napa on Monticello Road, on north side. Comment
  CDA11151  Ribes malvaceum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11562 Napa North Coast Biodiversity Arena; N side of Mt. George, above Sarco Creek, 10 m. NE of city of Napa. 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
  UC572660  Ribes roezlii Herbert B. Kaufner 1937-4-12 102 Napa near summit (highway) Mount St. Helena Comment
  CAS-BOT-BC198895  Ribes roezlii var. cruentum Rimo Bacigalupi 1926-3-28 1268 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  JEPS49464  Ribes roezlii var. cruentum Willis L. Jepson 1894-7-19 13522 Napa Toll-House Road Napa River Basin, Mt. St. Helena Comment
  UC572662  Ribes roezlii var. cruentum Herbert B. Kaufner 1937-2-26 19 Napa Devil's Well Upper Mill Creek Canyon 518 Comment
  CDA10867  Rigiopappus leptocladus G. F. Hrusa, M. Rejmanek 1993-5-15 10962 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  HSC43915  Rigiopappus leptocladus Robert M. Specht 1977-5-14 888 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  JEPS106864  Rigiopappus leptocladus Jake Ruygt 1986-4-26 1731 Napa east of Wragg Canyon resort, Blue Ridge 304 Comment
  UCD33704  Rigiopappus leptocladus Beecher Crampton 1972-4-19 8792 Napa north end of Capell Valley. Comment
  CAS-BOT-BC340994  Robinia pseudoacacia Peter H. Raven 1953-5-2 5420 Napa Napa River near Bridge, Napa 45 Comment
  JEPS106848  Rorippa palustris var. occidentalis Jake Ruygt 1981-3-29 957 Napa Suscol plain near steel mill 4 Comment
  CAS-BOT-BC147532  Rosa californica Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC147533  Rosa californica John Thomas Howell 1933-8-27 11649 Napa Chiles Valley, Napa Range Comment
  UC126646  Rosa californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7115 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC555671  Rosa californica Herbert L. Mason 1923-10-6 774 Napa along Wooden Valley Rd. Comment
  CAS-BOT-BC148154  Rosa gymnocarpa Peter H. Raven 1950-5-6 2035 Napa S. limits of Calistoga, on Rt. 28 60 Comment
  SBBG3092  Rosa gymnocarpa H. and M. Dearing 1939-4-30 3233 Napa near St Helena 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
  SEINET11910992  Rosa spithamea F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -312 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UCD17677  Rubus H. Olmo; T. S. Mallah 1953-4-3 53 34 Napa California. Napa County: 0.5 miles south of Redwood Lodge along Highway 128. Near Rt. 1B X 234. Comment
  UCD17701  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 78 Napa California. Napa County: north of Redwood Lodge on Highway 128. Comment
  JEPS110650  Rubus discolor Jake Ruygt 1987-7-11 2066 Napa .2 mile west of Mt. Millhouse Camp on HWY 29 487 Comment
  UCD164828  Rubus ulmifolius var. ulmifolius Jake Ruygt 2012-6-30 5872 Napa Putah Creek. 143 Comment
  CAS-BOT-BC421598  Rumex crispus Peter H. Raven 1952-5-29 4072 Napa Napa River 1 mi. n. Napa 60 Comment
  CDA34173  Rumex dentatus L. Ahart 2009-10-27 16492 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  CHSC102269  Rumex fueginus Lowell Ahart 2009-10-12 16428 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS120316  Rumex salicifolius Jake Ruygt 1992-7-7 3074 Napa Alston Park near north side of park. Napa 7.5' Quad. Comment
  HSC70625  Rupertia physodes J. M. DiTomaso 1980-6-12 1579 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  JEPS65646  Rupertia physodes W. L. Jepson 1924-4-27 10371 Napa Toll House Mt. St. Helena Comment
  SBBG115747  Rupertia physodes B. Crampton 1953-5-19 1301 Napa Hwy 128, ca. 9 mi E of Rutherford Comment
  UC1197460  Rupertia physodes Joseph P. Tracy 1899-6-17 393 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 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
  CDA19126  Ruppia maritima D. Dannenberg 2001-6-14 PDR 1103335 Napa N side of American Canyon Dump at end of Eucalyptus Dr. 0 Comment
  JEPS106735  Sagina decumbens subsp. occidentalis Jake Ruygt 1982-4-4 1166 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  CAS-BOT-BC108662  Salix breweri Peter H. Raven 1951-5-26 s.n. Napa Butts Canyon [Canon] Creek Comment
  CAS-BOT-BC108663  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC108670  Salix breweri Mrs. H. P. Bracelin 1931-5-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley 375 Comment
  CHSC108725  Salix breweri B. Castro; L. P. Janeway 2002-5-12 1369 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  UC482099  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley; Butt Canyon 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
  RSA3942  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UCD110949  Salix exigua Bob Wych 1975-5-29 37 Napa Wragg Canyon Road, 0.2 mile north of intersection with State Highway 128. Comment
  UC146203  Salix exigua var. hindsiana Joseph P. Tracy 1904-5-20 2077 Napa along Napa R. near Rutherford; Northern Coast Ranges 30 Comment
  UC634548  Salix exigua var. hindsiana H. L. Mason 1926-3-14 2719 Napa along stream in grove Mt. St. Helena Comment
  UCD164793  Salix exigua var. hindsiana Jake Ruygt 1979-3-13 452 Napa Trefethen Vineyards at Dry Creek. 22 Comment
  JEPS38362  Salix laevigata Willis L. Jepson 1903-9-6 2341 Napa St. Helena; Napa River Basin Comment
  JEPS38433  Salix laevigata W. L. Jepson 1922-10-22 9840 Napa Conn Creek Napa Valley Comment
  UCD149598  Salix laevigata 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
  UC5035  Salix lasiandra subsp. lasiandra W. L. Jepson May 1895 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UCD164815  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, south side of Napa River. 85 Comment
  JEPS13840  Salix lasiolepis Willis L. Jepson 1893-3-13 32 s Napa hills e of St. Helena; Napa River Basin Comment
  UC726994  Salix lasiolepis A. A. Heller 1900-3-18 5097 Napa near Santa Rosa; Santa Rosa Creek Comment
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May 1 2014
  UCD164808  Salix lasiolepis Jake Ruygt 2007-2-18 5118 Napa Moore Creek. Las Posadas State Forest. 362 Comment
  UCD164810  Salix lasiolepis Jake Ruygt 1993-2-19 3164 Napa Along access road to Fagan Slough, Napa County Airport. 7 Comment
  UCD164812  Salix lasiolepis Jake Ruygt 1990-3-25 2447 Napa Napa River east of Stonehouse Drive. 4 Comment
  CAS-BOT-BC124411  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-8-20 3859 Napa Acacia Lookout nr. Lokoya 426 Comment
  CAS-BOT-BC124418  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Chiles Valley, Rutherford to Monticello, 10 miles from Monticello Comment
  JEPS38360  Salix scouleriana Willis L. Jepson 1903-9-6 2344 Napa St. Helena; Napa River Basin, St. Helena Comment
  UCD137688  Sambucus nigra subsp. caerulea Andreas Stohr 1996-4-21 4 Napa on Road 128, on cliff above Putah Creek. 100 Comment
  SEINET3083262 Image available Sambucus nigra subsp. canadensis Royal D. Suttkus 1967-6-26 67- 30 -25 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  RSA92950  Sanguisorba minor Peter H. Raven 1951-6-26 3050 Napa E of Napa on Monticello Rd. 61 Comment
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 Comment
  UCD18043  Sanicula bipinnata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 594 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
  UCD19954  Sanicula bipinnata E. A. Dean; Virginia Boucher 2002-2-28 906 Napa Quail Ridge Reserve. Where upper and lower trails meet, just S of powerlines near ridge tip. 274 Comment
  UCD148828  Sanicula bipinnatifida Ellen Dean; Diana Hickson 2014-4-29 8133 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD81468  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  RSA195384  Sanicula bipinnatifida Gilbert Muth 1967-4-9 623 Napa near Cassidy Creek 335 Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  HSC70626  Sanicula laciniata J. M. DiTomaso 1980-6-13 1589 Napa Trinity Rd. from Oakville to Glen Ellen Comment
  RSA10677  Sanicula tuberosa C. B. Wolf 1928-5-3 s.n. Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS81600  Saxifraga californica R. Raiche 1982-3-7 20192 Napa 1.3 mi n of Sage Canyon Road (on Chiles and Pope Valley Road) Comment
  RSA734153  Saxifraga virginiensis Keith E. Hoffmaster 1946-3-9 1240 Napa Napa range, near summit of Napa-Monticello road. Comment
  SBBG5287  Scandix pecten-veneris H. and M. Dearing 1939-5-1 3245 Napa top of Spring Mtn grade Comment
  UCD118610  Scandix pecten-veneris William Goss; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 Comment
  RSA769185  Schoenoplectus maritimus L. Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  RSA92927  Schoenoplectus robustus Peter H. Raven 1951-9-9 3900 Napa Near slaughterhouse Point, Napa River. 0 Comment
  UC683329  Scirpus acutus var. occidentalis A. A. Beetle 1940-5-5 1586 Napa one mi n of County line on road from Vallejo to Napa; n of County line Comment
  JEPS121363  Scirpus fluviatilis Jake Ruygt 1992-5-18 2984 Napa Yountville Ecological Reserve, Yountville Cross Rd., Napa River. Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 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
  UC1103133  Scribneria bolanderi Joseph P. Tracy 1902-5-18 1538 1/2 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, on La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  RSA0054926  Scrophularia californica Keith E. Hoffmaster 1946-3-9 1252 Napa Napa-Monticello road. Comment
  JEPS77936  Scrophularia californica subsp. floribunda Edward Lee 1936-3-15 1791 Napa 2.3 mi by road out of Rutherford (road from Rutherford to Pope Valley); Conn Creek Comment
  SEINET9303026  Scutellaria californica Ellen Dean, Bibbo, Mark 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berrysea, just W of Monticello Dam. South Decker Canyon Rd, just S of jct with Cut Off Rd. Shady drainage with Quercus douglasii, Quercus wislizeni, and Symphoricarpos. Comment
  UCD15614  Scutellaria californica Lisa Montany 1985-6-1 34 Napa Highway 128, 0.5 miles west of Conn Dam, north of road in clearing. 76 Comment
  UC1713624  Scutellaria californica Lester Rowntree 1937-6-13 Napa Saca Canyon Comment
  UC1713646  Scutellaria siphocampyloides Goff and Calvi 1936-5-1 Napa 5.5 mi from Napa (on Monticello Road up old wagon road 1/4 mi, (then left to on top of ridge near eucalyptus tree)); North Bay Counties Comment
  JEPS2847 Image available Scutellaria tuberosa var. similis W. L. Jepson 1893-5-2 14940 Napa grade near summit Napa River Basin, New Pope Valley; New Pope Valley grade near summit, Napa River Basin Comment
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  CAS-BOT-BC417005  Sedella pumila A. A. Heller; H. E. Brown 1902-4-25 5360 Napa near Napa Comment
  CAS-BOT-BC63833  Sedum spathulifolium David D. Keck 1933-5-29 2354 Napa Pope Creek bridge, south of Walters Springs. Comment
  RSA0074724  Sedum spathulifolium Carrie A. Herd 1982-5-9 101 Napa Chiles-Pope Valley Road, 3.2 mi. from Lake Henessee, N. facing road cut. Comment
  UCD102078  Sedum spathulifolium R. H. Miller 1949-5-8 50 Napa approximately 10 miles northeast of Napa, on Highway 37. Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 Comment
  UCD20191  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121. Comment
  JEPS37306  Senecio aronicoides Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UCD37183  Senecio aronicoides Beecher Crampton 1958-4-29 4753 Napa north end of Capell Valley, Highway 128, Capell Creek. Comment
  RSA150721  Senecio clevelandii P. H. Raven 1962-5-31 17921 Napa 1.5 miles south of Knoxville Comment
  CAS-BOT-BC364595  Senecio vulgaris Ira L. Wiggins 1928-3-25 2873 Napa 1 1/2 mi. N.E. of Calistoga Comment
  UC401313  Sequoia sempervirens C. F. Sonne 1897-4-1 Napa near Napa City Comment
  JEPS50095  Sidalcea diploscypha W. L. Jepson 1938-5-22 18822 Napa Snell Valley Comment
  UC1198398  Sidalcea diploscypha J. P. Tracy 1899-6-14 381 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  UCD81824  Sidalcea diploscypha Ellen Dean 2009-4-24 5451 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  HSC16034  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  UC871440  Sidalcea diploscypha M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  UCD116728  Sidalcea hartwegii T. Adams 1998-5-10 9 Napa about 3 miles up Soda Canyon Road, across the road from the 'Soda Hole. 198 Comment
  UC108903  Sidalcea hartwegii E. L. Greene Napa Napa Comment
  JEPS110722  Sidalcea malviflora subsp. laciniata Jake Ruygt 1982-3-26 1150 Napa Suscol ridge SE of Rocktram 18 Comment
  CAS-BOT-BC384451  Silene antirrhina Peter H. Raven 1951-6-26 3056 Napa Wooden Valley Grade 304 Comment
  JEPS50940  Silene antirrhina W. L. Jepson 1896-6-2 Napa St. Helena , St. Helena (Napa Valley) Comment
  UC465677  Silene californica H. P. Chandler 1907-5-26 7591 Napa White Sulphur Spr St. Helena, White Sulphur Spr Comment
  CAS-BOT-BC384429  Silene coronaria Peter H. Raven 1952-5-26 4032 Napa St. Helena to Howell Mt. 91 Comment
  UCD170584  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  CAS-BOT-BC389184  Silene laciniata subsp. californica R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6673 Napa 10 mi. from Pacific Union College on Howell Mt. - Middletown road Comment
  CAS-BOT-BC389180  Silene laciniata subsp. californica Betty H. Johnson 1958-6-20 620 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  UC1032510  Sisyrinchium bellum A. Lewis 1932-5-18 100 Napa Sarco Creek 182 Comment
  UCD118612  Sisyrinchium bellum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD138833  Sisyrinchium bellum H. Popenoe 1949-5-1 20 Napa on eastern exposure; one mile from Pope Valley on road to St. Helena. Comment
  UCD170815  Sisyrinchium bellum 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), in meadow on the west side of Maxwell Creek. 166 Comment
  UCD20822  Sisyrinchium bellum N. Nicola 2001-3-29 038 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  JEPS64270  Sisyrinchium bellum Willis L. Jepson 1893-4-25 Napa w of St. Helena (trail to Beaux's Cabin); Napa River Basin Comment
  POM291000  Sisyrinchium bellum Lyman Benson 1930-3-31 2020 Napa Calistoga, North Coast mt. range, base of Mt. St. Helena 305 Comment
  SEINET4171055  Sisyrinchium bellum Unknown 1967-5-1 Napa 13.4 miles W. of Winters on State Hwy 128 137 Comment
  SEINET4171098  Sisyrinchium douglasii Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15090 Napa Under Chaparral, 20 miles north of Napa Comment
  CDA34153  Solanum rostratum L. Ahart 2009-10-27 16494 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  JEPS115758  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 Winte 130 Comment
  CAS-BOT-BC154696  Solanum umbelliferum C. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC1280958  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa on summit of Howell Mountain Howell Mountain Comment
  UCD67494  Solanum xanti D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland ; open spaces. 350 Comment
  NY820402  Solanum xanti L. Constance 1938-3-27 2039 Napa In the Howell Mountains, 5 miles east of Napa, North Coast Ranges 457 Comment
  JEPS104694  Solidago velutina subsp. californica John L. Morrison 1936-9-20 1939 Napa Comment
  UCD161321  Solidago velutina subsp. californica Jake Ruygt 1979-7-21 764 Napa Napa County : 2.7 miles north of Howell Mountain Road on Pope Valley Road. (Coordinates estimated by label maker at UC Davis). 216 Comment
  CDA7649  Soliva sessilis R. Barrett 1958-5-22 437 -58 Napa Napa. 0 Comment
  JEPS106873  Soliva sessilis Jake Ruygt 1986-4-19 1711 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 36 Comment
  UCD120783  Sonchus oleraceus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7327 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  POM118625  Spergula arvensis Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC390058  Spergularia John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  CAS-BOT-BC390291  Spergularia macrotheca var. longistyla Alice Eastwood 1915-6-5 4639 Napa Calistoga Comment
  CHSC84564  Spergularia macrotheca var. longistyla John Dittes 2003-4-5 2003 -9 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  UCD166675  Stachys ajugoides Jake Ruygt 1982-6-21 1339 Napa Suscol plain, just east of steel mill, Rocktram. 2 Comment
  SEINET9367953  Stachys ajugoides var. ajugoides Unknown 1995-9-12 12461 Napa Napa County Comment
  SEINET7073088  Stachys ajugoides var. rigida A. G. Vestal 1963-4-7 s.n. Napa Along the Silverado Trail about 3.8 miles north of Saint Helena. Coordinate datum WGS84/NAD83. (38? deg. 32' 38" North Latitude, -122? deg. 29' 21" West Longitude, UTM Zone 10, 544515mE, 4266093mN. Coordinate datum: NAD27). Comment
  JEPS63042  Stachys ajugoides var. rigida W. L. Jepson 1897-5-2 14961 Napa near St. Helena Comment
  CDA11969  Stachys albens G. F. Hrusa, M. Hooper 1995-9-12 12461 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  JEPS105353  Stachys albens Dean W. Taylor 1994-10-7 14710 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  UCD126050  Stachys rigida var. quercetorum Douglas O. Dahl 1967-5-25 50 Napa 5.3 miles west of Monticello Dam. 152 Comment
  JEPS115731  Stachys stricta Lowell Ahart 2009-10-12 16441 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  UCD14964  Stellaria media Jonathan M. Irvine 1977-4-16 107 Napa California, Napa Co.; along Highway 128, 6.4 miles SSW of Monticello Dam; Comment
  CHSC102285  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capelll Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD136457  Stephanomeria virgata subsp. pleurocarpa D. H. Hartmann 1941-9-20 s.n. Napa Putah Canyon. Comment
  JEPS122970  Stipa lepida Jake Ruygt 1995-4-17 3437 b Napa End of Niebaum Road, Rutherford. Quad: Rutherford. Comment
  UCD170367  Stipa miliacea var. miliacea Daniel Potter; N Khuu, K Battenberg 2016-4-30 865 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  UCD169880  Stipa pulchra Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 720 Napa Knoxville Wildlife Area. 307 Comment
  SEINET10603938  Stipa pulchra David D. Keck 1931-4-2 Keck 1033 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa 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
  UCD74403  Streptanthus barbiger Jake Ruygt 2007-6-23 5239 Napa Spring Mtn. Rd. across from York Creek Dam. 195 Comment
  CAS-BOT-BC61249  Streptanthus breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge south of Walters Springs. Comment
  JEPS27000  Streptanthus breweri Joseph P. Tracy 1905-7-6 2219 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  JEPS30824  Streptanthus breweri W. L. Jepson 1938-6-8 18901 Napa rocky walls Butts Canyon Comment
  UCD74402  Streptanthus breweri Jake Ruygt 1980-6-11 930 Napa 0.2 mile east of Hwy. 128 on Berryessa-Knoxville Rd. 195 Comment
  JEPS106607  Streptanthus breweri var. breweri Jake Ruygt 1981-5-6 1019 Napa .2 miles east of Walter Spprings bridge on Pope Rd. 207 Comment
  UC1198806  Streptanthus breweri var. hesperidis Joseph P. Tracy 1902-5-16 1488 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UCD33219  Streptanthus glandulosus Beecher Crampton 1967-5-11 7919 Napa Napa County, 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  POM225546  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Conn Valley. Comment
  CAS-BOT-BC87158  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  CAS-BOT-BC87166  Streptanthus glandulosus subsp. glandulosus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5335 Napa Pope Creek east of Samuels Springs. 91 Comment
  JEPS54003  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1894-5-1 13411 Napa ridge opposite mouth of Conn Valley; Napa River Basin Comment
  UC1063483  Streptanthus glandulosus subsp. glandulosus B. O. Schreiber 1938-4-24 2493 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
Read comments
Jan 14 2009
  UC517969  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Pope Creek Canyon Napa Range Comment
  UCD116005  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon. Comment
  UCD116018  Streptanthus glandulosus subsp. glandulosus Bill Wengeler 1995-4-30 s.n. Napa 2 miles north of Highway 128 along Knoxville Road. 183 Comment
  UCD170438  Streptanthus glandulosus subsp. glandulosus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 910 Napa Knoxville Wildlife Area on slope west of Berryessa-Knoxville Road. 517 Comment
  UCD116022  Streptanthus hesperidis Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties, Butts Canyon. Comment
  CAS-BOT-BC87393  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa At junction of Hunting Creek with Rare Plant Canyon. 365 Comment
  UCD164730  Streptanthus morrisonii Jake Ruygt 2014-6-14 6010 Napa Livermore Ranch, NW of Cornona Mine. 667 Comment
  UCD75709  Streptanthus morrisonii Jake Ruygt 2008-4-12 5285 Napa About 1.5 miles northwest of Zim-Zim Falls. 530 Comment
  UC1292728  Streptanthus vimineus Freed W. Hoffman 1948-6-6 2329 Napa St. Helena Reservoir, Spring Mt. road Comment
  UCD19329  Stuckenia pectinata M. A. Bibbo; E. Dean 2001-7-6 21 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline in water hole. 320 Comment
  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
  UCD137413  Symphoricarpos albus var. laevigatus M. Ensign 1943-5-29 309 Napa 10 miles north of Monticello along Monticello-Lower Lake Road. Comment
  JEPS104576  Symphyotrichum lentum Jake Ruygt 1993-10-24 3290 Napa near Fagan Slough. 0 Comment
  JEPS104539  Symphyotrichum spathulatum Jake Ruygt 1992-7-10 3081 Napa Yountville Ecological Reserve, Yountville Crossroad 27 Comment
  JEPS40783  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley Comment
  UC165065  Symphyotrichum spathulatum Joseph P. Tracy 1904-5-23 2081 Napa near, (Napa Valley) Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UC87074  Symphyotrichum spathulatum T. S. Brandegee 1888-9-1 Napa Howell Mountain Comment
  JEPS40868  Symphyotrichum spathulatum Willis L. Jepson 1893-9-28 Napa Lower Napa Valley , Napa River Basin Comment
  JEPS40791  Symphyotrichum subspicatum W. L. Jepson 1894-11-6 Napa Calistoga Comment
  JEPS40770  Symphyotrichum subspicatum Willis L. Jepson 1894-11-7 Napa Napa City Napa River Basin Comment
  CDA34670  Symphyotrichum subulatum var. parviflorum L. Ahart 2009-10-27 16476 Napa Below high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. Comment
  UCD107008  Taraxia ovata Richard Beaver 1965-5-1 148 Napa 5 miles south of St. Helena on State Highway 128. 45 Comment
  JEPS129144  Tetragonia tetragonoides Jake Ruygt 1980-3-27 819 Napa Napa Valley Garbage disposal site. Cuttings Wharf 7.5' Quad. Comment
  JEPS110688  Tetrapteron graciliflorum Jake Ruygt 2005-4-17 4765 Napa Bear Valley, N of pond 649 Comment
  SBBG2279  Thalictrum fendleri var. polycarpum H. and M. Dearing 1939-5-3 3231 Napa White Sulphur Springs Rd, St Helena Comment
  UC1197483  Thermopsis californica var. californica Joseph P. Tracy 1933-4-30 12103 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UC1222478  Thermopsis californica var. californica Joseph P. Tracy 1949-4-22 18285 Napa brushy hillside by reservoir; Conn Valley 91 Comment
  UCD20027  Thermopsis californica var. californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1211 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  JEPS65663  Thermopsis macrophylla W. L. Jepson 1924-4-6 10329 Napa Conn Valley Napa Range Comment
  UC74948  Thermopsis macrophylla var. macrophylla C. F. Baker 1903-5-8 3081 Napa Knoxville Comment
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May 9 2007
  SEINET7075534  Thermopsis macrophylla var. venosa A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-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-BC66498  Thysanocarpus curvipes M. S. Jussel 1931-4-19 s.n. Napa Pope Valley. Comment
  JEPS54167  Thysanocarpus curvipes W. L. Jepson 1897-5-2 30 f Napa St. Helena Comment
  RSA696362  Thysanocarpus curvipes Keith E. Hoffmaster 1946-3-23 1059 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC66504  Thysanocarpus curvipes Peter H. Raven 1953-5-2 5397 Napa Summit of hills due east of Yountville. 304 Comment
  CAS-BOT-BC66512  Thysanocarpus curvipes Lewis S. Rose 1935-4-18 35099 Napa Steel Canyon. Comment
  SEINET8727857 Image available Thysanocarpus curvipes Laura Zeller 1965-1 33 Napa Ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  UCD115927  Thysanocarpus curvipes K. Esau 1933-4-14 s.n. Napa Near Petrified Forest, Calistoga. Comment
  UCD14241  Thysanocarpus curvipes Lisa McNair 1974-4-4 11 Napa At Monicello Dam on Highway 128. 243 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
  RSA195381  Thysanocarpus curvipes var. curvipes Gilbert Muth 1967-4-16 639 Napa Snell Valley. 183 Comment
  RSA233099  Thysanocarpus curvipes var. curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles N of Calistoga on road to Lakeport. Comment
  CAS-BOT-BC67311  Thysanocarpus radians Peter H. Raven 1953-4-2 5244 Napa Hills south of Imola. 121 Comment
  JEPS106583  Thysanocarpus radians Jake Ruygt 1992-4-10 2906 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  CAS-BOT-BC67308  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles south of Monticello, eastern Napa county. Comment
  UCD36171  Thysanocarpus radians Beecher Crampton 1952-3-24 1032 Napa 8 miles north of city of Napa, on Soda Springs Road. Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. Comment
  SBBG28990  Tonella tenella D. D. Keck 1931-4-3 1066 Napa Pope Crk Cyn, 8 mi NW of Monticello Comment
  UCD54649  Tonella tenella Collector Unknown 2006-5-5 s.n. Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  SEINET7466299 Image available Tonella tenella J. M. Tucker 1957-1 3287 Napa beside Highway 37, .4 mile southwest of junction with road to Monticello Dam and Winters. Comment
  UCD159916  Torilis arvensis Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD47846  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. 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
  UC1001196  Torreya californica Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5330 Napa e of Chiles Valley; Soda Creek 137 Comment
  CAS-BOT-BC172957  Toxicodendron diversilobum Alice Eastwood 1918-5-1 6867 Napa Mt. St. Helena Comment
  JEPS45711  Toxicodendron diversilobum W. L. Jepson Jan. 1898 Napa St. Helena Comment
  UCD55060  Toxicoscordion fremontii E. A. Dean; Virginia Boucher 2002-2-28 907 Napa Quail Ridge Reserve. Along lower trail leading from West Road toward powerlines at tip of ridge, very close to junction with West Road. 304 Comment
  UCD139843  Toxicoscordion fremontii Rolf Y. Berg 1963-3-3 s.n. Napa State Highway 37, ca. 1.5 miles south of Wooden Valley junction. Comment
  UCD160725  Toxicoscordion micranthum Ellen Dean 2015-5-23 8777 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
  JEPS112619  Trichostema laxum Jake Ruygt 1986-6-28 1846 Napa Mtn. Millhouse Girlscout Camp, Mt. St. Helena 499 Comment
  UC1137621  Trichostema laxum B. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UCR200670  Trichostema laxum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville, Berryessa-Knoxville Road, UC MacLaughlin Reserve, Research Hill 625 Comment
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Mar 8 2013
  UC22514  Trientalis latifolia Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, New Eden New Eden; Napa River Basin, Howell Mountain, New Eden Comment
  UCR25326  Trientalis latifolia John C. Roos 1939-4-29 290 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCD83434  Trifolium albopurpureum Jake Ruygt 1983-4-17 1428 Napa Mt. St. Helena. 777 Comment
  UC1602048  Trifolium albopurpureum var. dichotomum Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  UC16498  Trifolium albopurpureum var. dichotomum Edw. L. Greene Apr. 1892 Napa W. St. Helena Comment
  UC1925870  Trifolium bifidum Ethel Crum 1931-1 1055 Napa Pope Valley Comment
  UCD18152  Trifolium bifidum Jean Shepard; with Plant Biology 102 class 2000-4-29 190 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
  UC16431  Trifolium bifidum var. bifidum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD16046  Trifolium bifidum var. bifidum R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 19 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moderately moist soil, east facing slope, sunny. Herb, 10-13 cm tall, flowers light pink to lavender. Comment
  CHSC83410  Trifolium bifidum var. decipiens L. P. Janeway; B. Castro 2002-5-12 7535 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS129083  Trifolium bifidum var. decipiens Jake Ruygt 2016-4-16 6191 Napa Smitty Ranch, east of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS65798  Trifolium ciliolatum W. L. Jepson 1924-4-27 10368 Napa Toll House Mt. St. Helena Comment
  JEPS65737  Trifolium depauperatum var. truncatum W. L. Jepson 1915-4-23 6244 Napa Conn Valley Napa Range Comment
  UC555401  Trifolium depauperatum var. truncatum H. L. Mason 1928-4-13 4335 Napa near spring (Reili School) Comment
  UCD108528  Trifolium depauperatum var. truncatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCR146187  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  JEPS106805  Trifolium dubium Jake Ruygt 1996-5-5 3640 Napa Butts Canyon Road at James Creek Road; field to SE. 210 Comment
  UCD48021  Trifolium fucatum L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 25 Napa McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  JEPS106611  Trifolium gracilentum var. gracilentum Jake Ruygt 1996-4-10 3571 Napa Milliken Peak 219 Comment
  UCD95677  Trifolium incarnatum Ellen Dean; with Clare Loughran 2011-5-20 7022 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  POM21662  Trifolium microcephalum C. F. Baker 1909-4-19 1994 Napa Calistoga. Comment
  UC80349  Trifolium microcephalum C. F. Baker 1903-4-19 1994 Napa Calistoga Comment
  UCD48984  Trifolium microcephalum M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 19 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  JEPS106711  Trifolium microdon Jake Ruygt 1982-4-29 1209 Napa Suscol Plain between Kaiser Steel and HWY 29 (221) 2 Comment
  UCD149707  Trifolium microdon 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
  JEPS65986  Trifolium microdon W. L. Jepson 1938-5-20 18805 Napa above St. Helena Sanitarium (above the vineyard of John Ballentine); Howell Mtn Comment
  UCD83420  Trifolium obtusiflorum Jake Ruygt 1988-6-4 2214 Napa S slope of Mt. St. Helena above Red Hill. 731 Comment
  JEPS4440  Trifolium oliganthum W. L. Jepson 1892-1 13699 Napa to Lower Lake Knoxville Grade Comment
  UCD83422  Trifolium oliganthum Jake Ruygt 1978-4-17 1431 Napa Red Hill, Mt. St. Helena. 670 Comment
  UCD83423  Trifolium oliganthum Jake Ruygt 2003-5-17 4526 Napa Devil's Canyon, NW of 'The Crags' area of Archer Taylor Preserve. 603 Comment
  NY50564  Trifolium petrophilum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  UCD168552  Trifolium subterraneum 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
  UCD170428  Trifolium tomentosum Daniel Potter; Daniel McNair 2016-4-23 921 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  JEPS106719  Trifolium variegatum var. major Jake Ruygt 1982-5-8 1230 Napa north side of American Canyon 85 Comment
  JEPS4400  Trifolium willdenovii W. L. Jepson 1913-4-15 5305 Napa Howell Mtn 609 Comment
  UC137720  Trifolium willdenovii C. F. B. 1903-4-19 1989 Napa Calistoga Comment
  UCD109842  Trifolium willdenovii Heidi E. M. Dobson 1978-5-20 329 Napa East slope of Mt. Veeder. Comment
  UCD118102  Trifolium willdenovii Megan Mateo; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UC16735  Trifolium willdenovii Willis L. Jepson 1893-5-1 Napa Knights Valley grade at divide Napa River Basin Comment
  CAS-BOT-BC451902  Triglochin maritima Peter H. Raven 1952-8-26 5143 Napa Nr. Bentley Wharf 15 Comment
  UCD166662  Triglochin maritima Jake Ruygt 1988-3-18 2126 Napa Fagan's Marsh. 1 Comment
  UC4018  Trillium albidum Willis L. Jepson 1893-5-8 Napa Howell Mt. Comment
  RSA195320  Trillium chloropetalum var. chloropetalum Gilbert Muth 1967-5-19 689 Napa Milliken Dam. 335 Comment
  CAS-BOT-BC521018  Trillium chloropetalum var. giganteum Elsa G. Ruckert 1960-3-26 43 Napa 6495 Dry Creek Road; Field to right of private road leading into property. 365 Comment
  CAS-BOT-BC133384  Trillium ovatum Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS113979  Trillium ovatum Jake Ruygt 1977-3-24 158 Napa 2.9 miles NW of Mt. Veeder Road, on Redwood Road. Sonoma 7.5' Quad. Comment
  UCD123399  Triphysaria eriantha M. Wiesendanger 1927-5-4 670 Napa Near Monticello. Comment
  UC917148  Triphysaria eriantha subsp. eriantha D. C. Finfrock 1950-4-6 22 Napa Mountain meadow 3 mi from Pope Valley (1/4 mi from Monticello, in Pope Valley) Comment
  HSC20847  Triphysaria eriantha subsp. eriantha Greg Bos 1963-3-24 45 Napa NW end of Lake Barryesa at Putah Creek 168 Comment
  JEPS20135  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-25 Napa Napa Comment
  CDA10904  Triphysaria pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 11000 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS85046  Triphysaria pusilla Larry Heckard, Mary Ashton 1969-5-3 2188 Napa ca. 7 mi. n.e. Napa (Mead Ranch, off the Atlas Peak Rd.); Mead Ranch 457 Comment
  UCD162915  Triphysaria versicolor John Yoder 2015-3-23 s.n. Napa S of Napa, 450 Technology Way. 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
  UC1222441  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1949-4-24 18288 Napa Myrtledale Hot Springs near Calistoga; Myrtledale Hot Springs 152 Comment
  CDA41890  Triphysaria versicolor subsp. faucibarbata T. C. Fuller 1958-5-1 s.n. Napa Highways 29 & 21, 6 miles south of Napa. 0 Comment
  UC1334861  Triphysaria versicolor subsp. versicolor L. D. Thurman 1964-4-15 393 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UC183045  Trisetum canescens J. P. Tracy 1902-5-15 1459 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek, Howell Mountain 487 Comment
  UCD48276  Triteleia laxa D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 9 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill, ca. 50 ft from lookout tower. 548 Comment
  UCD48277  Triteleia laxa R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UCD48790  Triteleia laxa K. Mogel; B. Pekin and M. Higley 2002-5-4 12 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
  UCD48792  Triteleia laxa A. Collier; D. Caterson and S. Kenady 2002-5-4 15 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines, both N and S of road. 335 Comment
  JEPS58053  Triteleia laxa W. L. Jepson 1901-5-28 2428 Napa York Creek St. Helena Comment
  UCD139379  Triteleia laxa Alan P. Godlewski 1974-5-3 10 Napa west of Lake Berryessa, 800 yards from Highway 128. Comment
  UCD16047  Triteleia laxa C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 13 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 from bulb, 2-6 dm tall, flowers lavendar. Comment
  CDA30787  Triteleia peduncularis V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  CAS-BOT-BC91198  Umbellularia californica John H. Thomas 1966-3-22 11530 Napa R.L. Stevenson State Park on the eastern slopes of Mount Saint Helena along highway 29 between Middletown and Calistoga. 762 Comment
  CAS-BOT-BC91200  Umbellularia californica F. G. Krauss 1893-10-5 s.n. Napa West of Calistoga. Comment
  HSC24895  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa Hwy. 128 W of Lake Hennessey Comment
  JEPS40120  Umbellularia californica W. L. Jepson 1894-10-13 Napa St. Helena 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
  CAS-BOT-BC381964  Uropappus lindleyi J. Clausen 1935-5-23 1072 m Napa Howell Mountain, near summit, 6.5 mi. N. of St. Helena Comment
  CAS-BOT-BC381966  Uropappus lindleyi John Thomas Howell 1931-4-3 6137 Napa Pope Creek Canyon, 8.5 miles from Monticello, Napa Range Comment
  CAS-BOT-BC381967  Uropappus lindleyi John H. Thomas 1958-4-19 7115 Napa About 2 miles SW of Oakville 152 Comment
  UCD170678  Uropappus lindleyi 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD20427  Uropappus lindleyi E. Dean; w/ PLB 102 class 2002-5-4 1014 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  JEPS35638  Uropappus lindleyi W. L. Jepson 1896-6-2 Napa Napa Valley Comment
  JEPS84560  Uropappus lindleyi John W. Willoughby 1977-4-27 2305 Napa along State Highway 128 very near Monticello Dam; Vaca Mountains 146 Comment
  JEPS120395  Velezia rigida Jake Ruygt 1998-6-6 4010 Napa About 1/2 mile north of historic Knoxville on Berry[essa]-Kn[oxville Road] Comment
  JEPS115682  Verbena lasiostachys var. lasiostachys Lowell Ahart 2009-10-27 16495 Napa Below the high water line of Lake Berryessa, about 50 yards east of Eticuera Creek, about 100 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  CHSC107512  Veronica americana M. K. Beyers; F. Favela, J. McDonnell 2009-8-29 211 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). Comment
  UCD49291  Veronica persica L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 11 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  UCD167060  Vicia americana Jake Ruygt 1999-4-27 4141 Napa Las Posadas State Forest. 542 Comment