Search Results — 2000 specimen records retrieved (1422 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET265725 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 67- 30 -21 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC28636  Achillea millefolium E. Ruckert 1960-5-1 136 Napa 6495 Dry Creek Road, upper field south of house above water reservoir 381 Comment
  UCD47869  Achillea millefolium S. E. Ratay; M. Disney, J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 27 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD73927  Achnatherum coronatum G. Ledyard Stebbins 1966-5-28 6426 Napa Markley Canyon. Comment
  UC769961  Achnatherum lemmonii Robert F. Hoover 1941-6-8 5320 Napa e side of Mt. St. Helena Mt. St. Helena Comment
  CAS-BOT-BC29758  Achyrachaena mollis M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  RSA786930  Achyrachaena mollis Carrie A. Herd 1982-5-9 100 Napa Sage Canyon Road, Con Dam area Comment
  UCD18178  Achyrachaena mollis 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
  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
  UCD149712  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD48946  Acmispon parviflorus Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) 'as the crow' flies NW of jct with South Decker Canyon Rd.; along roadside. 243 Comment
  UCD48952  Acmispon wrangelianus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 21 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  RSA120809  Adenocaulon bicolor G. D. Barbe 1957-7-4 369 Napa 6.6 mi west of Hwy 29 and Napa on Redwood Rd., 0.6 mi NW of Christian Bros. Mt. LaSalle School. Comment
  CAS-BOT-BC133133  Adenostoma fasciculatum H. E. McMinn 1925-1-23 1366 Napa Summit Wooden Valley Grade Comment
  JEPS44791  Adenostoma fasciculatum W. L. Jepson 1904-6-3 2448 Napa Howell Mt. Comment
  UCD112604  Adenostoma fasciculatum Kamala Crompton 1996-5-3 7 Napa Along Road 128, S of Lake Berryessa. Comment
  UCD16111  Adenostoma fasciculatum BiF Soper 1983-5-30 s.n. Napa Hwy 128, 3.7 miles W of the entrance to the Putah Creek Public Fishing Access Rd. 103 Comment
  UCD49134  Adenostoma fasciculatum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 Comment
  JEPS121508  Adenostoma fasciculatum var. fasciculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 200 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  UCD137221  Adiantum jordanii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD48355  Adiantum jordanii Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 20 Napa Quail Ridge Reserve, southeast corner of Lake Berryessa, just west of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just south of junction with Cut Off Rd., near creek bed. 167 Comment
  SEINET1908051  Aesculus californica Richard R. Halse 1989-1 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  UCD136632  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa Putah Creek Canyon, 12 miles west of winters. Comment
  UCD49075  Aesculus californica M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 6 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 20 ft. W of lat./long. position. Along second bend of the road. 30 ft. E of power lines. 304 Comment
  SEINET6646612  Aesculus californica R. R. Halse 1989-5-13 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  UCD164733  Agastache urticifolia Jake Ruygt 2014-6-9 5992 Napa Livermore Ranch, Cub Valley. 657 Comment
  CAS-BOT-BC29640  Agoseris grandiflora var. grandiflora Rimo Bacigalupi 1928-6-20 1863 Napa Howell Mt, 10 miles W of St Helena Comment
  CAS-BOT-BC22754  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek Canyon, 7 miles NW of Monticello Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 Comment
  CAS-BOT-BC22755  Agoseris heterophylla J. T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  UCD128611  Agoseris heterophylla Jerald W. Riekels 1961-4-29 29 Napa Wragg Canyon, 0.25 mile from State Highway 128. 121 Comment
  CAS-BOT-BC46058  Agoseris heterophylla var. cryptopleura John Thomas Howell 1931-4-19 6451 A Napa Conn Valley Comment
  CAS-BOT-BC46057  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa Near the geysers, Calistoga 91 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-BC139521  Agrostis hallii Peter H. Raven 1952-5-31 4102 Napa 1.5 mile east of Yountville. 30 Comment
  CAS-BOT-BC138818  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Northern Coast Ranges. Calistoga Hot Springs. 91 Comment
  UCD36593  Agrostis microphylla var. intermedia Beecher Crampton 1955-5-9 2749 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC139015  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  RSA40170  Agrostis pallens J. T. Howell 1943-6-19 18236 Napa Hills southwest of St. Helena Comment
  UC1103527  Agrostis pallens J. P. Tracy 1899-6-26 350 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD36949  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains, above Wooden Valley. Comment
  UCD53098  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa East slopes of Howell Mtns. above Wooden Valley. Comment
  CAS-BOT-BC138437  Aira caryophyllea Carl B. Wolf 1928-5-3 1809 Napa 2 miles south of Hawkins Mount Inn Camp. Comment
  UCD170422  Aira caryophyllea Daniel Potter; Daniel McNair 2017-4-23 903 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD19311  Aira caryophyllea M. A. Bibbo; E. Dean 2001-7-6 3 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  JEPS123026  Aira elegans Jake Ruygt 1982-4-29 1214 Napa Suscol plain east of Kaiser Steel, west of Highway 29 (221). Quad: Napa. Comment
  JEPS110915  Allium amplectens Jake Ruygt 1986-5-10 1762 Napa Devil's Canyon above falls 579 Comment
  RSA123594  Allium amplectens Milo S. Baker 1932-4-26 5963 Napa Monticello Road near Pope Valley. Comment
  CAS-BOT-BC461084  Allium amplectens M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC461086  Allium amplectens Alice Eastwood 1915-6-6 4679 Napa Mount Saint Helena Comment
  UC623310  Allium amplectens H. L. Mason 1939-5-18 12102 Napa w Napa (near summit of Wooden Valley Grade); Wooden Valley Grade Comment
  JEPS110940  Allium bolanderi var. bolanderi Jake Ruygt 1987-5-7 1750 Napa Buckeye Trail, Skyline Park, Napa 256 Comment
  JEPS47592  Allium falcifolium W. L. Jepson 1915-4-23 6250 Napa Conn Valley Comment
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 Comment
  UC1133798  Allium falcifolium B. O. Schreiber 1938-4-24 2504 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  RSA293012  Allium falcifolium Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 763 Napa Mt St Helena. Comment
  UC726233  Allium falcifolium A. A. Heller 1941-5-16 16129 Napa on road to Upper Lake about 3 mi w Knoxville Comment
  UCD138521  Allium falcifolium M. Ensign 1943-5-28 327 Napa 26 miles from Monticello on road to Lower Lake. Comment
  CAS-BOT-BC468997  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW. of Monticello Comment
  UCD148572  Allium fimbriatum var. purdyi Jake Ruygt 1980-4-22 857 Napa Napa County; 0.7 mile north of Knoxville on Berryessa-Knoxville Rd. Comment
  UCD148575  Allium neapolitanum Jake Ruygt 2006-3-20 4959 Napa Napa County; St. Helena; west side of Hwy 29, about 0.25 mile north of Whitehall Lane. 56 Comment
  JEPS110934  Allium serra Jake Ruygt 1986-3-22 1661 Napa Monticello Dam 146 Comment
  JEPS84574  Allophyllum divaricatum John W. Willoughby 1977-4-27 2288 Napa 0.7 mi. s.w. Monticello Dam (s. of Hwy. 128) 195 Comment
  UC23569  Allophyllum divaricatum Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  UCD167205  Allophyllum divaricatum Jake Ruygt 2005-6-1 4883 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. 420 Comment
  UCD167206  Allophyllum divaricatum Jake Ruygt 1979-5-16 600 Napa 5.8 miles east of Monticello Road on Highway 128. 304 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
  JEPS58606  Alnus rhombifolia E. L. Greene 1874-8-13 Napa Napa Valley Comment
  RSA299415  Alnus rhombifolia W. L. Jepson 1901-8-6 1717 Napa White Sulphur Spring. Comment
  UC1197953  Alnus rhombifolia J. P. Tracy 1902-5-16 1490 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 304 Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  UCD19922  Amaranthus albus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 777 Napa Quail Ridge Reserve. Decker Canyon, stock pond on south side of canyon, south of old buildings in pine/ oak woodland. 167 Comment
  JEPS7803  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa near Slaughterhouse Point; Napa River 0 Comment
  CDA12096  Amelanchier utahensis G. F. Hrusa 1989-4-24 5931 Napa North Coast Biodiversity Arena; Edge of Pope Creek where Pope Creek Rd. crosses creek. Comment
  JEPS45494  Amelanchier utahensis W. L. Jepson 1924-4-27 10383 Napa Mt. St. Helena Comment
  CAS-BOT-BC177210  Amorpha californica var. napensis Peter H. Raven 1951-8-19 3845 Napa Near Lokoya 487 Comment
  UC1199060  Amorpha californica var. napensis Joseph P. Tracy 1933-6-2 12467 Napa 5 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 457 Comment
  CDA16003  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 1 of 3. Comment
  CDA31393  Ampelodesmos mauritanicus William J. Ferlatte, M. J. Foskett 1975-7-23 Napa Old Toll Road, north of Calistoga. 0 Comment
  CAS-BOT-BC222308  Amsinckia douglasiana E. Ruckert 1960-4-17 98 Napa 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  UC1191080  Amsinckia eastwoodiae H. E. Parks April 1952 44 Napa near Calistoga (foot of Mount St. Helena); Mount St. Helena 152 Comment
  RSA195307  Amsinckia intermedia Gilbert Muth 1967-4-23 648 Napa Spring Mountain Road, St. Helena. Comment
  JEPS61104  Amsinckia menziesii var. menziesii W. L. Jepson 1924-4-6 10322 Napa mouth of Conn Creek near St. Helena; Conn Creek 91 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
  UC619409  Angelica californica Wilhelm N. Suksdorf 1913-7-26 683 Napa e of Napa Comment
  CDA40903  Angelica tomentosa G. F. Hrusa, Dmitri Geltman (LE) 1996-6-3 15246 Napa North Coast Biodiversity Arena; Little Stony Creek, approx. 1.5 mi. NE of Stonyford-Lodoga Rd. intersection. Sheet 2 of 2 Comment
  JEPS14086  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UCD126260  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 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
  JEPS15909 Image available Angelica tomentosa Willis L. Jepson 1895-8-30 13484 Napa Napa River Basin, Upper Napa Valley; ; Near Calistoga, Upper Napa Valley Comment
  UC20797  Angelica tomentosa Willis L. Jepson Aug. 1892 Napa near St. Helena (Napa River Basin); Napa River Basin Comment
  RSA517  Angelica tomentosa var. tomentosa J. T. Howell 1927-8-24 689 Napa Butte Valley, Napa Range Comment
  CAS-BOT-BC273162  Anisocarpus madioides Jean Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  CAS-BOT-BC84722  Anthemis cotula Peter H. Raven 1950-6-20 2356 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  UCD56246  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, along Hwy. 53. Comment
  JEPS43777  Antirrhinum majus J. A. Marinovich 1964-5-8 18 Napa sw of Monticello Dam (along Hwy 128, between Monticello Dam and junction with Hwy 37, along creek e of hwy) 182 Comment
  SBBG83247  Antirrhinum vexillocalyculatum D. M. Thompson 1983-6-15 330 Napa 0.3 mi N of Porter Crk Comment
  HSC83249  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. M. Thompson 1983-6-16 335 Napa Steep banks along valley of Pope Creek at an area reached by traveling private vineyard roads at end of Barnett Rd., 1.9 mi. from start 195 Comment
  JEPS100865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Dean W. Taylor 2000-6-29 17475 Napa Zim Zim Creek, canyon about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  JEPS110622  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1978-5-23 98 Napa .4 mile west of Langtry Rd. on Spring Mountain Rd. 185 Comment
  POM202741  Aphanes occidentalis I. L. Wiggins 1932-4-12 5763 Napa Hillside betw Franz Valley and Calistoga Comment
  UCD36935  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  UCR198092  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  JEPS104560  Apocynum androsaemifolium Jake Ruygt 1992-5-7 2940 Napa south of Leoma Lakes, Wild Horse Valley 414 Comment
  UCD121272  Apocynum androsaemifolium R. H. Miller 1949-5-28 60 Napa beside Hwy 37, hillslope about 13 miles northeast of Napa. Comment
  UCD148557  Apocynum cannabinum Jake Ruygt 2004-6-19 4621 Napa Napa County; Long Canyon Creek near Eticuera Creek. 310 Comment
  UCD18108  Aquilegia eximia K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 45 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
  UC1125888  Aquilegia formosa B. Schreiber 1936-5-3 2203 Napa 1.2 mi w Calistoga; Calistoga quad 152 Comment
  HSC7593  Arbutus menziesii Greg Bos 1963-3-30 66 Napa S slope of Hennessey Lake 213 Comment
  UC403206  Arceuthobium campylopodum W. L. Jepson 1895-12-26 Napa Conn Valley Comment
  UC549537  Arctostaphylos J. E. Adams 1934-3-10 643 Napa Mt. St. Helena Comment
  HSC7610  Arctostaphylos canescens C. B. Wolf 1928-2-25 1503 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  CAS-BOT-BC23977  Arctostaphylos canescens subsp. canescens H. E. McMinn 1922-3-27 50 Napa Mt. St. Helena Comment
  CAS-BOT-BC23978  Arctostaphylos canescens subsp. canescens H. E. McMinn 1926-1-2 1629 C Napa Trail up Mt. St. Helena Comment
  CAS-BOT-BC24024  Arctostaphylos canescens subsp. canescens Lester Rowntree 1931-2-1 s.n. Napa Monticello Road 7 miles east of Napa Comment
  CAS-BOT-BC24025  Arctostaphylos canescens subsp. canescens Alice Eastwood; John Thomas Howell 1937-4-4 3829 Napa Wooden Valley Grade east of Napa Comment
  UC419751  Arctostaphylos canescens subsp. canescens Mrs. H. P. Bracelin 1930-7-13 25 Napa s slope Mt. St. Helena Comment
  UC549704  Arctostaphylos canescens subsp. canescens J. E. Adams 1934-3-10 644 Napa Mt. St. Helena Comment
  UC571088  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-3-14 2735 Napa Toll House Canyon Mount St. Helena Comment
  UC796527  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa on saddle about 1.5 mi from summit of Mt. St. Helena 1066 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
  UCD51495  Arctostaphylos glandulosa Collector unknown Date Unknown Napa Comment
  RSA602258  Arctostaphylos glandulosa subsp. cushingiana L. C. Wheeler 1952-8-30 6883 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  RSA626917  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24803 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  JEPS106418  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1986-3-16 1654 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 463 Comment
  RSA181908  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 1936-12-7 17994 Napa Four Corners, Howell Mt. Comment
  UC1120193  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1936-9-20 710 Napa Mt. St. Helena Calistoga Quadrangle Comment
  UCD51108  Arctostaphylos glandulosa var. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. SW of Angwin. 243 Comment
  UCD73846  Arctostaphylos glandulosa var. cushingiana Ellen Dean; S. Rae 2008-5-21 4981 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 267 Comment
  POM264995  Arctostaphylos manzanita I. L. Wiggins 1928-3-24 2861 A Napa Grade on old road to Lake Co. above Calistoga. Comment
  UC876434  Arctostaphylos manzanita Alice Eastwood and John Thomas Howell 1937-4-4 3830 Napa e Napa; Wooden Valley Grade 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
  UCD52040  Arctostaphylos manzanita Heidi E. M. Dobson 1978-4-8 315 Napa East slope of Mt. Veeder. Comment
  SEINET11987318  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4179 Napa Strybing Arboretum, Golden Gate Park, San Francisco, orig. from NE of Napa Comment
  CAS-BOT-BC38729  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10952 Napa Serpentine ridge, 2 miles e. of Occidental Comment
  CAS-BOT-BC38737  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1922-3-26 11113 Napa Mt. St. Helena Comment
  CAS-BOT-BC38738  Arctostaphylos manzanita subsp. manzanita John H. Thomas 1955-5-22 5185 Napa Along St. Helena Road and West Creek, 1.2 miles west of Sonoma - Napa County line, about 6 miles from St. Helena. 457 Comment
  CAS-BOT-BC38763  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-1-22 6385 Napa Sulphur Springs Canyon just N. of the resort 213 Comment
  CAS-BOT-BC38771  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1919-9-12 s.n. Napa Napa (grade 4 miles NE) Comment
  JEPS122811  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5110 Napa Silverado Trail about 1/4 mile north of Clover Flat Road. QUAD: Calistoga. Comment
  JEPS38707  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1895-12-26 14714 Napa hills e St. Helena Comment
  SEINET265723 Image available Arctostaphylos patula Royal D. Suttkus 1967-6-26 67- 30 -18 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  CAS-BOT-BC43847  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-23 s.n. Napa La Jota Plateau, Howell Mt., Napa River Basin Comment
  CAS-BOT-BC43848  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC43855  Arctostaphylos stanfordiana H. E. McMinn 1926-1-2 1630 C Napa Mt. St. Helena Comment
  CAS-BOT-BC43865  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi. west of aetna Springs. Comment
  UC1220984  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mi w Aetna Springs Comment
  UC763114  Arctostaphylos stanfordiana R. F. Hoover 1941-4-27 4948 Napa e side Mt. St. Helena Comment
  UC924271  Arctostaphylos stanfordiana H. S. Reed 1939-4-16 229 Napa Napa Hills Comment
  SEINET8729965 Image available Arctostaphylos stanfordiana Lewis S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi. NE. of Napa. 274 Comment
  CHSC106019  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeschch 2007-8-7 Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville Grade' road, ca. 3 miles north from Yountville. UTM: 10S, 649329, 4251184. 205 Comment
  UCR212318  Arctostaphylos stanfordiana subsp. decumbens 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
  POM367455  Arctostaphylos stanfordiana subsp. stanfordiana H. de Forest 1930-3-23 14618 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA181955  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1915-12-6 6586 Napa Howell Mt. Comment
  RSA293009  Arctostaphylos stanfordiana subsp. stanfordiana Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 A- 750 Napa Mt. Saint Helena. Comment
  SBBG115367  Arctostaphylos stanfordiana subsp. stanfordiana B. Crampton 1962-5-16 6429 Napa ca. 0.5 mi W of Aetna Springs Comment
  SBBG33933  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  JEPS106411  Arctostaphylos tomentosa subsp. crustacea Jake Ruygt 1992-3-10 2850 a Napa Wild Horse Valley Ranch, south of Johnson's Meadow 499 Comment
  CDA11905  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins 1994-4-8 11716 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCD52450  Arctostaphylos viscida Beecher Crampton 1970-4-15 8560 Napa north end of Capell Valley, State Hwy.128. Comment
  JEPS38778  Arctostaphylos viscida subsp. viscida W. L. Jepson 1916-8-6 6826 Napa Moore's Creek Howell Mountain Comment
  RSA13738  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
Read comments
Sep 12 2013
  SEINET5585704  Aristolochia californica Richard R. Halse 2013-1 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  CAS-BOT-BC82390  Arnica discoidea Peter H. Raven 1951-6-26 3069 Napa Wooden Valley Grade 304 Comment
  JEPS20963  Arnica discoidea R. F. Hoover 1941-5-19 5014 Napa Mt. St. Helena (e side) Mt. St. Helena Comment
  UCD161606  Arnica discoidea Jake Ruygt 1999-5-17 4159 Napa Wild Horse Valley Ranch, near Leoma Lakes. 429 Comment
  RSA92937  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa Hills due E. of Yountville 152 Comment
  CHSC102303  Artemisia douglasiana Lowell Ahart 2009-10-12 16416 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  SEINET258288  Artemisia douglasiana Unknown 1986-9-19 10231 Napa Napa County: in the northern end of the Napa Valley, on the west side of Calistoga. 110 Comment
  CDA2628  Arum italicum J. T. Howell 1970-3-19 46494 Napa Near Old Bale Mill 0 Comment
  JEPS104559  Asarum caudatum Jake Ruygt 1980-3-30 821 Napa Van Ness Canyon 609 Comment
  UCD20731  Asclepias fascicularis Ellen Dean; w/ Mark Bibbo 2002-6-17 1095 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 198 Comment
  JEPS103978  Aspidotis californica Jake Ruygt 1990-12-15 2615 Napa Monticello Rd. at site of Jarvis Winery cave 341 Comment
  UC1001193  Aspidotis californica Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5339 Napa Samuels Springs to Walters Springs (n side Pope Creek) 243 Comment
  JEPS60029  Aspidotis densa W. L. Jepson 1924-4-27 10382 Napa Mt. St. Helena Comment
  JEPS79515  Aspidotis densa Edward Lee with A. Carter and E. Crum 1936-3-15 1817 Napa Rutherford-Pope Valley Rd Butt's Canyon Comment
  CAS-BOT-BC180462  Astragalus breweri Peter H. Raven 1950-5-6 2022 Napa Sulphur Flats & hot springs near Old Faithful Geyser, N. of Calistoga 182 Comment
  JEPS107260  Astragalus breweri Jake Ruygt 1993-4-12 3195 Napa south of James Creek Road and Butts Cany on Road. 213 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
  UC424857  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  UCR146403  Astragalus breweri Beecher Crampton 1961-4-6 5854 Napa Inner North Coast Ranges, 1 mile north of Moskowite Corners, along State Hwy. 128 244 Comment
  JEPS107259  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa East end of Taplin Road 106 Comment
  UCD75828  Astragalus gambelianus Jake Ruygt 1989-4-8 2249 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  RSA121722  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mile northwest of Knoxville. 610 Comment
  JEPS107197  Astragalus tener var. tener Jake Ruygt 1982-3-28 1155 Napa Suscol plain between Kaiser Steel and HWY 29 (221) 4 Comment
  CAS-BOT-BC66083  Athyrium filix-femina var. cyclosorum Evelina Cannon 1901-7-13 s.n. Napa Johannisberg, on side of Mt. Veeder Comment
  UCD170670  Athysanus pusillus 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. Off Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 167 Comment
  UCD161747  Athysanus pusillus Jake Ruygt 1994-2-26 3403 Napa Chiles Canyon at marker 3.0, 0.4 mile to Chiles Valley Road. 274 Comment
  CDA10913  Avena barbata G. F. Hrusa, M. Rejmanek 1993-5-15 11009 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD20429  Avena barbata E. Dean; w/ PLB 102 class 2002-5-4 1017 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  UCD56373  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3229 Napa Napa Valley. 1 mile south of Rutherford. Comment
  CAS-BOT-BC106729  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Montecello 167 Comment
  RSA136311  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  CAS-BOT-BC16533  Barbarea orthoceras John Thomas Howell 1931-4-2 6065 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  CAS-BOT-BC145815  Beckmannia syzigachne Rimo Bacigalupi 1947-4-13 2817 Napa Along Silverado Highway, east of Napa Valley, 6 miles southeast of Yountville. Comment
  JEPS68458  Beckmannia syzigachne W. L. Jepson 1923-6-3 9977 Napa e Yountville; Napa Valley Comment
  UCD122106  Bellardia trixago J. M. Tucker 1952-5-17 s.n. Napa ca. 7 miles southwest of Napa. Comment
  UCD161332  Berberis aquifolium var. aquifolium Jake Ruygt 1981-7-8 1061 Napa Bateman Creek at upper end. (Coordinates estimated by label maker at UC Davis). 609 Comment
  UCD95912  Berberis aquifolium var. repens Ellen Dean; with Clare Loughran 2011-5-20 7051 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  CAS-BOT-BC75847  Berberis pinnata Ira L. Wiggins 1949-4-30 12089 Napa Eastern flank of Mount Saint Helena. 914 Comment
  CAS-BOT-BC75848  Berberis pinnata Peter H. Raven 1951-6-10 s.n. Napa Crater Region east of Pinnacels. 762 Comment
  JEPS106878  Berberis pinnata subsp. pinnata Jake Ruygt 1982-3-10 1127 Napa north of American Canyon on county line 280 Comment
  JEPS106817  Beta vulgaris Jake Ruygt 1992-7-7 3071 Napa Alston Park near west side of park. 79 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
  JEPS110686  Boisduvalia densiflora Jake Ruygt 1980-6-21 934 Napa Bear Valley 633 Comment
  UC841023  Bolboschoenus robustus Milo S. Baker 1932-10-8 6039 Napa bank of Napa River at Cuttings Wharf; bank of Napa River at Cuttings Wharf Comment
  CDA42002  Boschniakia strobilacea S. Bardessono 1974-6-14 s.n. Napa In the wilds 0 Comment
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  CAS-BOT-BC145366  Briza minor Carl B. Wolf 1928-5-3 1803 Napa 2 miles south of hawkins Mount Inn Camp. Comment
  SACT000478  Briza minor John Willoughby 1979-5-25 Napa Pansy Flat, in open grassy areas below stock pond 609.6 Comment
  UC1158114  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jota Plateau Northern Coast Ranges, Howeel Mountain (3-4 mi e of Angwin's, on hills at head of Moore's Creek) 518 Comment
  UCD170425  Briza minor Daniel Potter; Daniel McNair 2016-4-23 904 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  JEPS121547  Brodiaea elegans subsp. elegans Adam C. Schneider with Dick O'Donnell 2013-5-26 207 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  CAS-BOT-BC484198  Brodiaea elegans var. elegans Peter H. Raven 1952-5-31 4124 Napa Hills s.w. of Rector Canyon` 152 Comment
  UCD168502  Brodiaea leptandra Shannon Hickey 2017-6-15 9 Napa along the west fork of Wild Horse Valley Road between Leoma Lakes and Wild Horse Valley. (Locality information and elevation interpreted by label maker from the collector provided coordinates.) 432 Comment
  UC187021  Brodiaea terrestris subsp. terrestris C. F. Sonne 1888-4-25 Napa field near Napa Junction Comment
  UCD60269  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of Napa; Howell Mountains, summit of State Hwy. 37. Comment
  UCD95684  Bromus arizonicus Ellen Dean; with Clare Loughran 2011-5-20 7029 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  UCD57882  Bromus carinatus Beecher Crampton 1954-5-6 1830 Napa 5 miles south of Monticello. Comment
  JEPS123013  Bromus carinatus var. carinatus Jake Ruygt 1990-5-16 2549 Napa Calistoga Campground, Lommel Road. Quad: Calistoga. Comment
  UCD149688  Bromus carinatus var. carinatus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  JEPS123001  Bromus catharticus var. elatus Jake Ruygt 1995-4-8 3417 Napa Silverado Trail at Souza Lane, Napa. Quad: Napa. Comment
  CAS-BOT-BC155071  Bromus hordeaceus Peter H. Raven 1953-5-2 5358 Napa Yountville. Along railroad tracks. 76 Comment
  CDA10878  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10973 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA10881  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10976 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS76075  Bromus laevipes W. L. Jepson 1938-5-18 18787 Napa behind the St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  UC1103272  Bromus laevipes Joseph P. Tracy 1904-5-23 2101 Napa Hills e of Calistoga (Northern Coast Ranges); Northern Coast Ranges 243 Comment
  UCD58901  Bromus laevipes Beecher Crampton 1957-6-4 4107 Napa Above Capell Creek. North end of Capell Valley. Comment
  UCD33379  Bromus pseudolaevipes Beecher Crampton 1967-6-20 8133 Napa Napa County, 3 miles north of Moskowite Corner at north end of Capell Valley above Capell Creek on Hwy. 128. Comment
  UCD120793  Bromus sterilis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7332 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
  UCD59776  Bromus tectorum Beecher Crampton 1959-5-26 5264 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCD57744  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD148839  Calandrinia ciliata Ellen Dean; Diana Hickson 2014-4-29 8143 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD18167  Calandrinia ciliata 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
  UCD20821  Calandrinia ciliata N. Nicola 2001-3-29 037 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  UCD159531  Calendula officinalis D. S. Park 2011-4-11 279 Napa Linda Vista Ave. and Ceriani Ct. Weed in lawn. 33 Comment
  JEPS42825  Callitriche longipedunculata Willis L. Jepson 1893-4-30 13819 Napa Calistoga; Napa River Basin, Napa Valley Comment
  UC1103688  Callitriche marginata J. P. Tracy 1902-5-21 1626 Napa Head of Moore's Creek, 3 to 4 miles east of Angwin's; Howell Mountain 518 Comment
  UC1537212  Calochortus amabilis Gordon H. True Jr. 1938-6-21 740 Napa near Lokoya 365 Comment
  UCD170664  Calochortus amabilis 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
  UCD48265  Calochortus amabilis R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 5 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryesssa Road, on Southeast side of Devilhead Road. 515 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
  CAS-BOT-BC488489  Calochortus amabilis R. Baeigalupi 1925-4-26 1226 Napa hills 1 mi north of Napa Soda Springs Comment
  CAS-BOT-BC488490  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  UC796458  Calochortus amabilis Ira L. Wiggins 1949-4-30 12073 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  JEPS113982  Calochortus luteus Jake Ruygt 1976-5-17 86 Napa .3 mile east of Hillcrest Drive on Westgate Drive. Napa 7.5' Quad. Comment
  UCR212359  Calochortus luteus Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  CAS-BOT-BC492539  Calochortus luteus Peter H. Raven 1952-5-31 4138 Napa Summit of hill sw. Rector Canyon 304 Comment
  CAS-BOT-BC492541  Calochortus luteus Alice Eastwood 1915-6-5 4629 Napa Calistoga Comment
  CAS-BOT-BC492544  Calochortus luteus Betty H. Johnson 1958-6-8 610 Napa Near St Helena River, 6.4 mi. S.W. of Middleton Comment
  RSA49079  Calochortus luteus Verne Grant, Alva Grant 1949-5-22 8723 Napa Along Wooden Valley Road ca. 18 miles from Napa Comment
  UCD166650  Calochortus splendens Jake Ruygt 1989-5-20 2333 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 441 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
  UC3489  Calochortus uniflorus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  UCD167101  Calochortus vestae Jake Ruygt 2015-6-20 6139 Napa Missimer - Snell Valley Preserve. 175 Comment
  UCD166653  Calochortus vestae Jake Ruygt 1995-6-5 3491 Napa 1.5 miles south of Lake Hennessey on private (Taylor) road. 402 Comment
  UCD148841  Calycadenia Ellen Dean; Diana Hickson 2014-4-29 8145 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UC194184  Calycadenia multiglandulosa H. M. Hall 1915-8-12 10092 Napa Howell Mountain, near summit, along n road to Woodworth's 518 Comment
  POM30958  Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  RSA255531  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles north of Spanish Flat on Knoxville-Berryessa Road 152 Comment
  RSA255601  Calycadenia pauciflora Gerald D. Carr 1971-8-6 620 Napa Lake Hennessy, Hwy. 128, 1.7 miles SW of Chiles-Pope Valley Road Comment
  UCD129812  Calycadenia pauciflora Gerald D. Carr 1971-8-6 620 Napa Lake Hennessy, Hwy 128, 1.7 miles southwest of Chiles-Pope Valley Road. Comment
  JEPS38579  Calycadenia pauciflora W. L. Jepson 1891-9-21 Napa Miller Canon Vaca Mts. Comment
  POM298248  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lowerlake Comment
  RSA255581  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  UC1876241  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 mi S of Berryessa-Knoxville Rd. on Devilhead Rd., Cedar Valley. Comment
  UCD129809  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road. Comment
  UCD129878  Calycadenia truncata Gerald D. Carr 1971-11-6 686 Napa 0.8 mile south of Angwin on Howell Mt. Road. Comment
  JEPS120378  Calycadenia truncata Jake Ruygt 2004-7-31 4634 Napa Buzzards Roost, east of Stags Leap Comment
  CAS-BOT-BC271552  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271558  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  UCD15499  Calycanthus occidentalis Ted Graber 1984-5-12 28 Napa 1 mile west from Conn Dam on highway 128. 60 Comment
  UCD67548  Calycanthus occidentalis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Capell Creek. Serpentine riparian communities near the streams. 340 Comment
  UCR74386  Calycanthus occidentalis G. Fred Hrusa 1988-5-12 5601 Napa North Coast Range, Pope Creek, c. 2 mi east of jct of Pope Valley Rd. and Chiles Valley Rd. 244 Comment
  SD13654  Calyptridium monospermum Susan G. Stokes Aug 1910 Napa Old Baldy Comment
Read comments
Feb 17 2010
  UCD160743  Calystegia collina Ellen Dean 2015-5-23 8795 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 249 Comment
  CAS-BOT-BC221555  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19848 Napa 10 km NE of St. Helena, on Chiles and Pope Valley Road 300 Comment
  HSC81855  Calystegia collina subsp. collina Thomas W. Nelson, Jane Nelson 1980-5-3 5136 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  CAS-BOT-BC223617  Calystegia collina subsp. oxyphylla Lewis S. Rose 1934-5-23 34277 Napa N. slope Mt. St Helena Comment
  JEPS101706  Calystegia collina subsp. oxyphylla Dean W. Taylor 1998-6-3 16463 Napa dirt rd 0.4 miles N Twin Peak Mine, Bateman Cr drainage 579 Comment
  SEINET5741986 Image available Calystegia occidentalis Midori J. Minabe 1971-1 70 Napa Ca. 2 miles SW of Solano County line on Route 128 and ca. 0.5 mile north (?) on dirt road, south of Lake Berryessa.; Lake Berryessa Comment
  SBBG5771  Calystegia purpurata H. and M. Dearing 1939-5-3 3269 Napa Rutherford-Sage Cyn Rd Comment
  JEPS31633  Calystegia purpurata W. L. Jepson 1938-5-25 18862 Napa Bell Canyon Napa Range, Howell Mt., Bell Canyon (Howell Mt., Napa Range) 579 Comment
  RSA52706  Calystegia purpurata I. L. Wiggins 1949-4-30 12080 Napa Along old toll road between Calistoga and Middletown. Comment
  JEPS126103  Calystegia purpurata subsp. purpurata Jake Ruygt 1978-5-14 313 Napa 0.6 miles N of Oakville Cross Road on Silverado Trail. Yountville 7.5' Qua. Comment
  UCD48871  Calystegia purpurata subsp. purpurata E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd.; on a SW-facing slope on upslope of road. 237 Comment
  UC23177  Calystegia subacaulis Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  RSA0059886  Calystegia subacaulis Reino Alava 1957-5-30 985 Napa 4 2/10 mile north of the junction of Highways 37 and 128, on State Highway no. 128. Comment
  RSA195312  Camissonia graciliflora Gilbert Muth 1967-4-30 659 Napa Snell Valley 183 Comment
  JEPS33762  Camissoniopsis hirtella W. L. Jepson 1936-5-31 17569 Napa between Toland House and Angwin; Napa Range, Howell Mt., La Jota Plateau, La Jota Comment
  SEINET10463865  Campanula angustiflora Lincoln Constance 1946-5-18 Constance 3045 Napa Southeast slope of Mount St. Hellena, near the old inn Comment
  UCD18039  Capsella bursa-pastoris Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 590 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
  CAS-BOT-BC37589  Cardamine californica Milo S. Baker 1931-4-2 5134 Napa 8 miles from Monticello along Pope Creek. 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
  POM144139  Cardamine californica var. integrifolia C. F. Baker 1903-4-20 2617 Napa Mt. St. Helena. 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
  RSA633345  Cardamine hirsuta Michael A. Vincent, Ethan H. Freid 1998-4-7 8168 Napa Along Rt. 128 at road marker 24/80 Comment
  UCD114520  Cardamine hirsuta Michael A. Vincent; Ethan H. Freid 1998-4-7 8168 Napa along Route 128 at Road Marker 24\80. Comment
  UCD17985  Cardamine oligosperma Ellen Dean; with Plant Biology 102 class 2001-4-14 711 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD18021  Cardamine pachystigma Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 566 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  CDA7772  Cardaria chalepensis Robin Breckenridge 2008-5-8 PDR# 1313560 Napa Napa, DFG Preserve/Lk Berryessa, Eastside Rd. 0 Comment
  UCD48566  Carduus pycnocephalus S. Murphy; K. Keck and K. Dyer 2002-5-5 4 Napa Quail Ridge UC Reserve, northern tip of ridge, 1.5 m from N edge of stock pond. 328 Comment
  CAS-BOT-BC281732  Carduus pycnocephalus Betty H. Johnson 1958-6-15 627 Napa 6.4 miles SW of [unreadable] Comment
  JEPS121335  Carex amplifolia Jake Ruygt 1992-5-2 2920 Napa Scott's Flat, Aetna Springs Rd. Comment
  UCD161692  Carex amplifolia Jake Ruygt 2010-5-16 5558 Napa Mt. George, near Foote Botanical Preserve trailhead. 304 Comment
  CDA37916  Carex barbarae D. G. Kelch 2010-5-6 10 .165 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD161335  Carex barbarae Jake Ruyget 1982-6-29 1341 Napa Napa County : 0.6 miles south of Yountville on Highway 29. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UCD161684  Carex bolanderi Jake Ruygt 2008-6-22 5352 Napa Aetna Mine Road at James Creek. 307 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
  UC824766  Carex densa Lewis S. Rose 1935-6-4 35193 Napa Roadside ditch Oakville Comment
  CAS-BOT-BC35071  Carex densa Peter H. Raven 1951-6-21 3074 Napa Wooden Valley Grade. 304 Comment
  SEINET11630873  Carex densa L. S. Rose 1935-1 35205 Napa E slope Mt. St. Helena Comment
  SEINET7556714 Image available Carex densa Lewis R. Rose 1935-6-4 35205 Napa E slope Mt St Helena. Comment
  JEPS76001  Carex feta W. L. Jepson 1936-6-1 17590 Napa Napa Range, Howell Mountain, west side of Four Corners Four Corners; Napa Range, Howell Mountain, Four Corners Comment
  JEPS121321  Carex globosa Jake Ruygt 2004-5-29 4606 Napa Van Ness Canyon north of wildwood estate. Comment
  CAS-BOT-BC28414  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa Saro Creek E of Napa. 60 Comment
  CAS-BOT-BC28415  Carex gracilior Peter H. Raven 1950-5-6 2019 Napa Near Rt. 29 in Old Faithful Geyser road 2 mi N of Calistoga. 182 Comment
  CAS-BOT-BC119518  Carex nudata D. E. Breedlove 1963-4-19 4533 Napa 8 mi N of Pope Valley on Pope Valley to Middletown Road, Butts Canyon. Comment
  JEPS121336  Carex nudata Jake Ruygt 1984-3-20 1506 Napa Bear Canyon Comment
  SEINET3905219  Carex nudata Lewis S. Rose 1961-3-30 61024 Napa Conn Reservoir, Lake Hennessy.; 0 61 Comment
  SEINET8055338 Image available Carex nudata A. Eastwood, J. T. Howell 1937-4-4 3826 Napa near summit N of Wooden Valley Comment
  CAS-BOT-BC118466  Carex praegracilis Wm. Siler 1938-4-11 s.n Napa Calistoga Comment
  JEPS121328  Carex praegracilis Jake Ruygt 1996-5-14 3700 Napa White Cliff Springs; Elder Valley; (Sabini property). Comment
  UCD161695  Carex praegracilis Jake Ruygt 2010-4-19 5511 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 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
  UC1153782  Carex serratodens B. Crampton 1957-4-22 3942 Napa above Capell Creek (along new section Hwy. 128); Capell Valley Comment
  UCD41411  Carex serratodens Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 125 Napa Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, near the next stream-crossing W of the confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  UCD161640  Carex subfusca Jake Ruygt 2005-5-11 4831 Napa Cub Valley, south of Bear Valley. (Coordinates converted from UTM data by label maker.) 664 Comment
  CAS-BOT-BC116770  Carex subfusca Betty H. Johnson 1959-6-20 646 A Napa At waters edge of stream at Mt. Mill House, 6.4 mi SW of Middletown. Comment
  UCD161586  Carex tumulicola Jake Ruygt 2008-4-24 5304 -e Napa center divide of Highway 221 about 1/4 mile north of Highway 29 intersection. 30 Comment
  UCD161634  Carex tumulicola Jake Ruygt 2005-3-20 4707 Napa Alston Park, Dry Creek Road, Napa. 45 Comment
  CDA6924  Carthamus creticus G. D. Barbe 1978-7-21 2411 Napa Stags Leap, Silverado Trail, east of Yountville. 0 Comment
  CAS-BOT-BC248976  Castilleja Paul F. Covel 1940-4-28 1740 Napa Las Posadas Camp-near Pacific Union College-Howell Mt. Comment
  JEPS35587  Castilleja L. R. Heckard 1964-6-11 1367 Napa near Conn Park (along State Hwy 128, at w edge of Lake Hennessey); Lake Hennessey Comment
  CAS-BOT-BC249079  Castilleja affinis Peter H. Raven 1964-5-9 19051 Napa Along dirt road 2 miles west of Aetna Springs Comment
  HSC20481  Castilleja affinis Greg Bos 1963-3-3 25 Napa W shore lake Berryesa, west slope 457 Comment
  POM182742  Castilleja affinis D. D. Keck 1931-4-2 1042 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  SFV8664  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. In partial shade on steep, west facing slope. Comment
  JEPS35589  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1365 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) Comment
  JEPS86593  Castilleja affinis subsp. neglecta L. R. Heckard with Jake Ruygt 1987-5-10 6663 Napa ne of Vallejo (on n side of American Canyon Ridge, ca 0.25 mi ne of quarry); American Canyon Ridge Comment
  JEPS128906  Castilleja ambigua var. meadii Jake Ruygt 1987-5-7 1967 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  JEPS86590  Castilleja ambigua var. meadii L. R. Heckard with Jake Ruygt 1987-5-10 6661 Napa 6.5 mi up Atlas Peak Rd. from Monticello Rd., Napa (Calif. Hwy. 121) (along Atlas Peak Rd, ne of Napa) 448 Comment
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Oct 10 2013
  JEPS5727  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1951-6-3 3359 Napa road from Calistoga to Middletown (about 0.75 of the way up the summit, along grade over shoulder of Mt. St. Helena); Mt. St. Helena Comment
  JEPS5776  Castilleja applegatei subsp. martinii J. R. Sweeney 1954-3-17 1084 Napa near Mt. St. Helena (about 1.5 mi s of road summit, along Calif Highway 29, on the Lake County grade over Mt. St. Helena summit) 487 Comment
  JEPS62590  Castilleja applegatei subsp. martinii T. I. Chuang with Fei-Mei Chuang 1970-7-25 6832 Napa 4.8 mi s Napa-Lake County line (on Highway 29) Comment
  SEINET13732897  Castilleja applegatei subsp. pinetorum R. R. Halse 2013-3-27 8753 Napa S end of Lake Berryessa, along State Hwy 128, ca 8.7 miles W of Winters, just W of Monticello Dam. 143 Comment
  UCD116985  Castilleja attenuata Jillian Howard; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. 0.1 miles NE of fire station, north side of dirt road. 518 Comment
  UCD159786  Castilleja attenuata James A. Neilson Jr. 1975-4-13 3136 Napa Soda Canyon Road, near summit. 457 Comment
  UC1537455  Castilleja attenuata Gordon H. True Jr. 1938-4-14 865 Napa Yountville Comment
  JEPS10088  Castilleja densiflora subsp. densiflora Rachael Wilson 1944-5-9 Napa Conn Valley 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
  UCD122405  Castilleja exserta H. Popenoe 1949-4-17 11 Napa Putah Canyon, 8 miles west of Winters. Comment
  JEPS10341  Castilleja exserta subsp. exserta Willis L. Jepson 1893-4-28 21378 Napa n of Mt. George; Napa River Basin Comment
  UC138773  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena Comment
  UC26422  Castilleja foliolosa Willis L. Jepson 1893-4-25 Napa Napa River Basin; trail to Caux's Cabin Comment
  POM15474  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena. Comment
  UCR179385  Castilleja lacera Katherine Esau 1932-5-3 s.n. Napa Napa Comment
  UC726417  Castilleja rubicundula subsp. lithospermoides A. A. Heller 1941-5-16 16131 Napa about 3 mi w Knoxville (on the road to Lower Lake) Comment
  JEPS2514 Image available Castilleja spiralis W. L. Jepson 1897-7-13 21113 Napa Butt's Canyon (Pope Valley to Coyote Valley); ; Butt's Canon, (Pope Valley to Coyote Valley), Napa Co. Comment
  JEPS58640  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1896-2-23 Napa near La Jota Falls (meadow); Napa River, Howell Mt. Comment
  CAS-BOT-BC40474  Caulanthus lasiophyllus John Thomas Howell 1931-4-2 6074 Napa Wooden Valley grade 5 miles east of Napa. Comment
  UCD74390  Caulanthus lasiophyllus Jake Ruygt 1986-4-5 1681 Napa Ridge to the south of Suscol Creek. 237 Comment
  JEPS42323  Ceanothus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
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Jan 18 2009
  SBBG122273  Ceanothus confusus D. O. Burge 2008-5-31 1005 b Napa Spring Mtn Rd near small reservor at BM 626, 1.7 rd mi W of intersection with Madrona Ave, York Crk, Mayacmas Mtns 200 Comment
  UCD20650  Ceanothus cuneatus R. J. Blenkush; J. H. Richards 2000-1-29 44 Napa Berryessa-Knoxville Road. 1 mile north of Putah Creek Resort. 158 Comment
  UCD95690  Ceanothus cuneatus Ellen Dean; with Clare Loughran 2011-5-20 7036 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  CAS-BOT-BC49113  Ceanothus cuneatus var. ramulosus Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa asylum Comment
  CAS-BOT-BC49807  Ceanothus divergens Milo S. Baker 1939-2-1 9242 Napa Ca. 1 1/2 miles west of Napa-Calistoga Hgwy. at a point ca. 3/4 mi. south of Calistoga Comment
  CAS-BOT-BC49808  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi south of Calistoga Comment
  CAS-BOT-BC64441  Ceanothus divergens John Thomas Howell 1941-6-21 16320 Napa Hills sw. of St. Helena. Comment
  POM85919  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena Comment
  UCSB24496  Ceanothus divergens Baker, Milo Napa Franz Valley 5 miles west of Calistoga Comment
  UC18330  Ceanothus foliosus Willis L. Jepson 1893-5-4 Napa trail to first summit of Mt. St. Helena Napa River Basin Comment
  UCD112127  Ceanothus foliosus Ray Prag 1971-1-31 180 Napa near Las Posadas State Forest. Comment
  UCD112130  Ceanothus foliosus M. Wiesendanger 1927-5-4 697 Napa Monticello Road. Comment
  CAS-BOT-BC50877  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  CAS-BOT-BC50878  Ceanothus foliosus var. foliosus Ella Dales Cantelow 1939-4-8 2524 Napa 4 1/2 mi. s.w. of Pac Union College, Howell Mt. Comment
  CAS-BOT-BC50920  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12260 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC50922  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12276 Napa Mt. St. Helena toll house Comment
  UC726975  Ceanothus foliosus var. foliosus A. A. Heller 1941-5-3 16085 Napa Mt. St. Helena Mt. St. Helena (at places halfway up the mountain) Comment
  UCD73422  Ceanothus foliosus var. foliosus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC50793  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  UCD170258  Ceanothus integerrimus D. O. Burge 2016-10-22 2182 Napa Roadside on Butts Canyon Road. 210 Comment
  UCD21539  Ceanothus integerrimus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 3 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next to first stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  CAS-BOT-BC50634  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa Howell Mountain, on hills at head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  CAS-BOT-BC50635  Ceanothus jepsonii Ira L. Wiggins 1949-4-30 12095 Napa Hillside along road from Calistoga to Middletown near Lake County line. Comment
  CAS-BOT-BC64976  Ceanothus jepsonii D. H. Wilken; E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Cyn Rd, ca 1.5 linear km S of jct with Snell Valley Rd. 315 Comment
  JEPS20114  Ceanothus jepsonii Willis L. Jepson 1896-2-23 14032 Napa near New Eden (Howell Mt. Grade); Napa River Basin Comment
  SBBG4343  Ceanothus jepsonii L. Rowntree 1930-7-15 Napa Sage Cyn Comment
  UC166029  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa 3-4 mi e Angwin's (Howell Mt., hills at head of Moore's Creek.); Northern Coast Ranges 365 Comment
  UCD160572  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, west of Putah Creek. 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-BC51127  Ceanothus jepsonii var. albiflorus M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  CAS-BOT-BC51128  Ceanothus jepsonii var. albiflorus Peter H. Raven 1951-5-26 2884 Napa Butts Canyon 304 Comment
  CDA11339  Ceanothus jepsonii var. albiflorus G. F. Hrusa 1995-4-2 12049 Napa North Coast Biodiversity Arena; along Hwy 128 approx 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W of Nichellini Winery. Comment
  JEPS79562  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1818 Napa Butt's Canyon Comment
  JEPS79614  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  HSC103539  Ceanothus jepsonii var. albiflorus Thomas W. Nelson, Jane Nelson 1981-4-14 6381 Napa Along Devil Head Rd., at summit above Cedar Creek 579 Comment
  UCD147529  Ceanothus oliganthus Ellen Dean; Diana Hickson 2014-4-29 8083 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC51561  Ceanothus oliganthus var. sorediatus Willis L. Jepson 1928-4-1 s.n. Napa Wooden Valley grade, Napa River Basin Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  JEPS110859  Ceanothus oliganthus var. sorediatus Jake Ruygt 1976-4-29 34 Napa .6 mile SW of Napa-Solano Co. line on HWY 128 164 Comment
  UCD112306  Ceanothus oliganthus var. sorediatus B. Crampton 1957-4-15 s.n. Napa Martley Canyon, Vaca Mountains. Comment
  UCD112319  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 s.n. Napa Wooden Valley Grade. Comment
  UCD167159  Ceanothus oliganthus var. sorediatus Jake Ruygt 2015-3-16 6047 Napa Sutro Ranch, west side of Atlas Peak. 563 Comment
  CAS-BOT-BC53179  Ceanothus parryi M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC53220  Ceanothus parryi Alice Eastwood 1923-5-9 11757 Napa Mt. St. Helena Comment
  CAS-BOT-BC53222  Ceanothus parryi Alice Eastwood 1918-5-1 6854 Napa Mt. St. Helena Comment
  JEPS110731  Ceanothus parryi Jake Ruygt 1976-4-23 18 Napa 2.1 miles NE of Silverado Trail on Deer Park Road 213 Comment
  RSA293544  Ceanothus parryi C. W. Tilforth 1979-3-22 1855 Napa along Wooden Valley road, NE of Napa Comment
  UC1602797  Ceanothus parryi C. C. Parry 1881-8-3 Napa Calistoga Comment
  UC79860  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCR43182  Ceanothus parryi L. F. LaPre 1985-5-2 s.n. Napa Along Livermore Road between Hwy 29 (At Mountain Mill House Girl Scout Camp) and white point, near Lake Co. line and south of Three Peaks 671 Comment
  HSC18366  Ceanothus prostratus C. B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  CAS-BOT-BC52188  Ceanothus purpureus H. E. McMinn 1925-1-23 1367 a Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52191  Ceanothus purpureus H. E. McMinn 1923-5-25 964 B Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52199  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade east of Napa Comment
  CAS-BOT-BC83730  Ceanothus purpureus D. O. Burge; Kari B. Schroeder 2008-3-7 978 b Napa S of Lake Hennessey, 1.8 road miles (2.9 km) S of SR 128 370 Comment
  CDA11158  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11570 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
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Jul 28 2008
  CDA11160  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11572 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
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Jul 28 2008
  SBBG68832  Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley Grade Comment
  UC1347203  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  UC924264  Ceanothus purpureus H. S. Reed 1939-4-16 Napa Napa Hills 213 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
  UCSB40793  Ceanothus purpureus Haller, John 1979-5-4 Napa Mead Ranch, near Atlas Peak Road, about 5 miles (by road) north of State Highway 121 and 9 miles north of Napa 487 Comment
  CAS-BOT-BC282010  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort, Lake Berryessa, Vaca Mountains, about S arm of the lake Comment
  SD129755  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley, north slopes of George Mountain. Alon Sarco Creek (?). 152 Comment
  JEPS120433  Centaurium davyi Jake Ruygt 2010-5-31 5576 Napa Mead Ranch, in large meadow with vernal pools. Comment
  JEPS106530  Centaurium muehlenbergii Jake Ruygt 1981-7-19 1074 Napa Suscol hill and plain 3 Comment
  UC22688  Centaurium trichanthum H. N. Bolander 1863-1 2652 Napa Pope Valley Comment
  JEPS81885  Centaurium trichanthum Roger Raiche 1982-7-25 20641 Napa Butts Canyon Road Comment
  RSA181383  Centaurium trichanthum James I. McMurphy 1909-8-7 s.n. Napa Warm springs, Calistoga. Comment
  JEPS12603  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC1199382  Centromadia parryi subsp. parryi Joseph P. Tracy 1939-10-14 16511 Napa Calistoga, Myrtledale Hot Springs 121 Comment
  UC894336  Centromadia parryi subsp. parryi Alice Eastwood 1918-9-3 7960 Napa Calistoga Comment
  UC913083  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2715 Napa Calistoga Comment
  UC480899  Centromadia pungens subsp. pungens Katharine Brandegee Napa St. Helena Comment
  UCD48855  Cerastium glomeratum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 29 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-0ff Rd. 152 Comment
  CAS-BOT-BC179387  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa 11 miles N of Monticello on Knoxville Road. Comment
  UC1540472  Cercis occidentalis Ethel Crum 1937-4-18 1787 Napa on Knoxville Rd 11 mi n Monticello Comment
  JEPS46425  Cercocarpus betuloides W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  CAS-BOT-BC135485  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-7-2 5758 Napa Near St. Helena Sanitarium Comment
  SBBG115436  Cercocarpus betuloides var. betuloides B. Crampton 1966-5-10 7715 Napa 9 mi E of Rutherford on St Hwy 128 Comment
  UCD170202  Cercocarpus betuloides var. betuloides Daniel Potter 2015-3-14 755 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road and Eticuera Creek. 242 Comment
  SBBG128691  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 -A Napa below high water line of Lake Berryessa, along Capell Crk NE of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  JEPS103991  Cheilanthes intertexta Jake Ruygt 1983-11-17 1498 Napa Sage Canyon, east of Fir Canyon 365 Comment
  UCD20503  Cheilanthes intertexta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1074 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
  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
  JEPS59699  Chenopodium ambrosioides W. L. Jepson 1922-10-22 9835 Napa St. Helena Napa River (river bed) Comment
  JEPS106820  Chenopodium berlandieri Jake Ruygt 1986-7-12 1867 Napa Imola Ave, east of Maxwell Bridge,Napa 2 Comment
  UCD170157  Chenopodium californicum Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 781 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  JEPS128905  Chloropyron molle Jake Ruygt 1979-7-29 783 Napa Fagan's Marsh. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC238000  Chloropyron molle subsp. molle Gordon True; Catherine Best 1981-9-12 s.n. Napa At Logan Island Comment
  UCR24252  Chorizanthe membranacea John C. Roos 1939-5-6 294 Napa North Coast Range, Pacific Union College, Bell's Canyon near Three Peaks 862 Comment
  JEPS110782  Chorizanthe polygonoides var. polygonoides Jake Ruygt 1998-5-30 4005 Napa Table Rock 749 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
  UCD159464  Cichorium intybus D. S. Park 2010-8-13 218 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  CDA1207  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CAS-BOT-BC286572  Cirsium occidentale var. venustum Peter H. Raven 1951-5-20 2846 Napa W. Oakville 365 Comment
  JEPS59314  Cirsium occidentale var. venustum W. L. Jepson 1936-5-29 17546 Napa Adam-and-Eve Ridge Howell Mt., Adam-and-Eve Ridge Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD167269  Clarkia affinis Jake Ruygt 2010-5-16 5557 Napa Mt. George, Foote Botanical Preserve, west slope. 256 Comment
  UCD49180  Clarkia affinis M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 20 Napa Quail Ridge UC Reserve, northern tip of peninsula, shaded shallow saddle 50 ft. W of power line near ridge. 274 Comment
  UCD104417  Clarkia concinna Vincent Chang 1966-5-7 26 Napa 13.8 miles NE of Rutherford on State Highway 128. 152 Comment
  UCD18488  Clarkia concinna P. J. Plummer 1995-5-29 s.n. Napa Hwy 128 and Berryessa Knoxville Rd. 170 Comment
  HSC64520  Clarkia concinna subsp. concinna J. P. Smith, J. O. Sawyer 1970-5-17 3772 Napa 3 mi. S of Pope Valley Comment
  JEPS43620  Clarkia concinna subsp. concinna W. L. Jepson 1938-5-22 18809 Napa Limekiln Creek Canyon Pope Valley Comment
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Oct 2 2012
  POM38096  Clarkia concinna subsp. concinna Marcus E. Jones 1881-7-6 s.n. Napa St. Helena. Comment
  UCD104555  Clarkia gracilis M. Wiesendanger 1927-5-4 681 Napa Near Monticello. Comment
  UCSB17305  Clarkia gracilis Haller, John 1961-6-18 Napa 7.7 mi SE of Pope Valley; on road to Lake Hennessy 274 Comment
  CAS-BOT-BC164534  Clarkia gracilis subsp. albicaulis Peter H. Raven 1952-6-28 4210 Napa Chiles Valley 243 Comment
  RSA155889  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa Lower Lake; Knoxville Road, 1.9 miles south of Lake Co. line Comment
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Jul 17 2015
  JEPS110766  Clarkia gracilis subsp. gracilis Jake Ruygt 1979-5-4 577 Napa Trefethen hillside property NW of Carell Lane 128 Comment
  RSA10703  Clarkia gracilis subsp. gracilis Carl B. Wolf 1928-5-3 1784 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA41114  Clarkia gracilis subsp. gracilis Robert F. Hoover 1938-6-8 3538 Napa South fork of Butts Creek. Comment
  JEPS110765  Clarkia gracilis subsp. sonomensis Jake Ruygt 1976-5-18 90 Napa 1.4 miles west of Madronna St. on Spring Mountain Rd. 152 Comment
Read comments
Aug 15 2010
  CAS-BOT-BC162481  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5-22 s.n. Napa Mountain slopes from Calistoga, to the Toll House Comment
  RSA495969  Clarkia gracilis subsp. sonomensis L. D. Gottlieb 1988-5-24 8818 Napa On Rt. 128, just east of its junction with Rt. 121; site is about 100 yards east of Steele Canyon Rd. Comment
  RSA495971  Clarkia gracilis subsp. tracyi L. D. Gottlieb 1988-5-24 8819 Napa On Route 128 between turnoff to Route 121 and Spanish Flat Road at milepost 18.71 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
  CAS-BOT-BC163691  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills w. Oakville 121 Comment
  CAS-BOT-BC163826  Clarkia purpurea subsp. quadrivulnera Rimo Bacigalupi 1928-6-20 1857 Napa Howell Mt. 10 miles west of St. Helena Comment
  UCD20729  Clarkia purpurea subsp. quadrivulnera Ellen Dean; w/ Mark Bibbo 2002-6-17 1093 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  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
  UCD169614  Clarkia unguiculata Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  UCD15612  Clarkia unguiculata Lisa Montany 1985-6-1 30 Napa Highway 128, 3 miles west of Monticello Dam. 213 Comment
  UCD100584  Claytonia exigua Robin Brooks 1975-4-26 42 Napa 2 miles south of Pope Valley (12 miles north of Highway 128). 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
  RSA464603  Claytonia exigua subsp. exigua H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  JEPS43271  Claytonia gypsophiloides W. L. Jepson 1897-5-2 Napa near Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  HSC17749  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi. from Mt. St. Helena Inn 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
  JEPS112601  Claytonia parviflora subsp. parviflora Jake Ruygt 1992-3-10 2850 Napa Johnson's Meadow ; Wild Horse Valley Ranch 426 Comment
  JEPS112613  Claytonia parviflora subsp. parviflora Jake Ruygt 1997-3-18 3805 Napa Greenfield Road 213 Comment
  UCD20037  Claytonia perfoliata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1201 Napa South slope of Mt. St. Helena, in area where J.M. Tucker hybridized Quercus. Comment
  CAS-BOT-BC91450  Clematis lasiantha Peter H. Raven 1952-5-26 4062 Napa Near Walter's Springs. 170 Comment
  SBBG50563  Clematis lasiantha C. D. Spencer 1972-4-16 31 Napa Soda Cyn Rd, 8.2 mi from US Post Office on Trancas Avenue, Napa 609 Comment
  SEINET9364415  Clematis lasiantha Unknown 1995-4-16 Napa Napa County Comment
  SFV1260  Clematis lasiantha L. B. Hendrix 1962-5-5 43 Napa South end of Lake Berryessa. Comment
  CAS-BOT-BC92682  Clematis ligusticifolia H. E. McMinn 296 Napa Upper Pope Canyon about 6 miles north of Aetna Springs on road to Middleton. Comment
  JEPS110884  Clematis ligusticifolia Jake Ruygt 1998-8-29 4111 Napa Berryessa-Knoxville Road at crossing of Eticuera Creek. 216 Comment
  CAS-BOT-BC92680  Clematis ligusticifolia H. E. McMinn 1922-8-1 384 Napa Unspecified. Comment
  JEPS112523  Collinsia greenei Jake Ruygt 1983-6-12 1493 Napa Mt. St. Helena, Red Hill 624 Comment
  JEPS128914  Collinsia greenei Jake Ruygt 1980-6-17 926 Napa Sensitive plant Canyon west of Devil's head Road. Knoxville 7.5' Quad. Comment
  RSA187487  Collinsia heterophylla John H. Thomas 1955-5-21 5169 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  UCD160792  Collinsia heterophylla Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8672 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
  UCD123661  Collinsia sparsiflora Jon Weil 1961-3-18 s.n. Napa State Highway 128, between Lake Berryessa and Rutherford. Comment
  UCD20025  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1213 Napa 1 mile west of junction of Route 128 and Pope Valley Road, on south side of Lake Hennessy. Comment
  HSC20618  Collinsia sparsiflora Greg Bos 1963-3-30 63 Napa 27 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  CHSC22324  Collinsia sparsiflora var. arvensis Katherine Steedman 1965-4-3 39 Napa 1.5 mi e of Pope Valley. 152 Comment
  POM204283  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Conn Valley. Comment
  RSA264960  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 6118 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  UC608238  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 Comment
  UC903162  Collinsia sparsiflora var. arvensis Ethel Crum 1937-4-19 1778 Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  RSA195365  Collinsia sparsiflora var. arvensis Gilbert Muth 1967-3-31 598 Napa Old Howell Mountain road. 457 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
  JEPS17750  Collinsia sparsiflora var. collina Francia Chisaki 1957-5-30 965 Napa along State Highway 37 Summit of grade between Wooden Valley Creek and Capell Creek 344 Comment
  RSA79469  Collinsia sparsiflora var. collina Lincoln Constance 1938-3-27 2034 Napa N. slope in Howell Mountains, 5 miles E. of Napa, North Coast Ranges. 457 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
  UCD123677  Collinsia sparsiflora var. sparsiflora G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12029 Napa University of California: Quail Ridge Reserve. 290 Comment
  UCD123680  Collinsia sparsiflora var. sparsiflora P. J. Salamun 1974-4-20 7078 Napa Snell Valley, quadrangle near Pope Valley. 182 Comment
  UCD18045  Collinsia sparsiflora var. sparsiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 596 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
  JEPS85056  Collinsia sparsiflora var. sparsiflora Larry Heckard, Mary Ashton 1969-5-3 2200 Napa 7 mi ne of Napa (Mead Ranch off the Atlas Peak Road); Mead Ranch 457 Comment
  JEPS41088  Collomia diversifolia Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9089 Napa 0.5 mi se Devilhead Road (from Knoxville to Cedar Valley) (headwaters of Zim Zim Creek, ne Napa County); Zim Zim Creek 487 Comment
  SEINET2444681  Collomia diversifolia Leigh A. Johnson 1996-5-26 96 -013 Napa Along Butts Canyon Road, between road and creek. ca. 25 meters NW of pullover area 1.4 miles NW of jct with Snell Valley Road (9.7 miles SR of jct with HWY 29). 375 Comment
  SBBG103168  Collomia heterophylla D. H. Wilken 1973-5-6 11925 Napa Las Posadas St Forest, 3 mi SE of Angwin 518 Comment
  UC1197844  Collomia heterophylla J. P. Tracy 1902-5-16 1500 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 335 Comment
  UCD167221  Collomia heterophylla Jake Ruygt 1998-5-16 3966 c Napa Maggie's Peak area. 579 Comment
  UCD127324  Conium maculatum R. Tofsrud Date unknown s.n. Napa location unknown. Comment
  UCD126136  Convolvulus arvensis M. R. Wanzer 1948-5-6 15 Napa Putah Canyon, 9 miles west of Winters. Comment
  JEPS122707  Conyza canadensis Jake Ruygt 1989-10-2 2419 Napa South Shore of Lake Hennessey along Sage Canyon Road. Quad: Yountville. Comment
  UCD123104  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  UC217601  Cordylanthus pilosus subsp. pilosus Katharine Brandegee Napa near Aetna; Pope Valley Comment
  POM193912  Cordylanthus pilosus subsp. pilosus J. T. Howell 1929-8-4 4361 Napa One mile below Samuel's Springs, Pope Creek Canyon. Napa range. Comment
  OBI57117  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mi N of Napa and Lake County line on US hwy 29 Comment
  CDA30783  Cordylanthus tenuis subsp. brunneus V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS112549  Cordylanthus tenuis subsp. brunneus Jake Ruygt 1986-6-1 1802 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  UCD170468  Cordylanthus tenuis subsp. brunneus Daniel Potter; Ninh Khuu 2016-6-18 897 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 454 Comment
  CAS-BOT-BC209799  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon Comment
  CAS-BOT-BC209802  Cornus glabrata Blanche Clear 1938-5-28 s.n. Napa Highway, Alexander Valley Comment
  RSA397705  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon. Comment
  UC21525  Cornus nuttallii Willis L. Jepson 1893-1 Napa Toll-house Mt. St. Helena; Napa R. Basin, Mt. St. Helena Comment
  UC932002  Cornus nuttallii Verne Grant and Alva Grant 1946-5-26 7634 Napa s.e. slope Mt. St. Helena Comment
  UCD13146  Cornus nuttallii Hilary Rypka 1981-5-2 34 Napa Napa CO. Mt. St. Helena. Highway 29, 7 miles southwest of Middletown. Elevation 3000'. 914 Comment
  CAS-BOT-BC180345  Corylus cornuta subsp. californica D. E. Breedlove 1980-6-27 44785 Napa 2.2 miles W of Calistoga at Highway 128 on road to Santa Rosa Comment
  UCD130901  Cotula coronopifolia David Lawfer 1952-4-20 150 Napa Napa. Comment
  UCD121192  Crataegus monogyna Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7364 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  OBI49310  Crocanthemum scoparium Joseph Andorfer Ewan 1934-4-30 8825 Napa Sarco crk, 4 mi above Napa Comment
  UCD37518  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  UCD145270  Crypsis schoenoides Barry Hammel 1976-5-30 455 Napa Lake Hennessy. Comment
  JEPS122995  Crypsis vaginiflora Jake Ruygt 1990-1-29 2432 Napa Napa Range about 1/2 mile south of Circle Oaks. Quad: Capell Valley. Comment
  SEINET4206988  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8 miles southwest of Monticello, along highway 128.; 0 Comment
  JEPS106755  Cryptantha flaccida Jake Ruygt 1998-5-2 3947 Napa Chiles Canyon near white stone bridge. 146 Comment
  JEPS106756  Cryptantha flaccida Jake Ruygt 1982-4-18 1187 Napa Calistoga Grade, Mt.St.Helena 353 Comment
  JEPS106738  Cryptantha hispidula Jake Ruygt 1980-6-29 949 Napa across HWY from Circle Oaks 304 Comment
  UCD160721  Cryptantha hispidula Ellen Dean 2015-5-23 8773 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  JEPS106701  Cryptantha intermedia Jake Ruygt 1982-5-15 1255 Napa Buzzard's Roost, Stag's Leap 585 Comment
  UCD41409  Cryptantha intermedia Ellen Dean; T. and M. Starbuck 2004-4-3 2001 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn-off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  UCD161605  Cryptantha microstachys Jake Ruygt 1999-5-15 4157 Napa north side of Ritchey Canyon, near Bothe State Park. 597 Comment
  UCD74372  Cryptantha microstachys Jake Ruygt 1989-6-3 2358 Napa About 1/2 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  JEPS126074  Cryptantha nemaclada Jake Ruygt 1981-4-18 977 b Napa Harris Canyon. Napa 7.5' Quad. Comment
  CLARK-A1528-2663  Cupressus macnabiana John C. Roos 1938-11-19 323 Napa Pope Valley Comment
  JEPS46565  Cupressus macnabiana W. L. Jepson 1933-10-8 16553 Napa Knoxville Ridge Knoxville Ridge (n Napa Co.) Comment
Read comments
Mar 24 2009
  POM182662  Cupressus macnabiana D. D. Keck 1931-4-3 1101 Napa 2 miles northeast of Aetna Springs, northern Napa County Comment
  POM263126  Cupressus macnabiana J. C. Roos 1938-11-19 323 Napa Pope Valley, near Altna Springs Comment
  UCD67772  Cupressus macnabiana D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  CHSC22657  Cupressus sargentii Robert A. Schlising; Glenn Keator 1962-1-25 2026 Napa Mt. Saint Helena, NW Corner of Napa County. Comment
  JEPS79565  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1821 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  POM196468  Cupressus sargentii J. T. Howell 1927-8-24 3051 Napa Pope Valley - Middleton Road, Napa Range Comment
  RSA129447  Cupressus sargentii B. O. Schreiber 1936-9-20 2357 Napa 5 miles S of Reiff. 762 Comment
Read comments
Jun 14 2013
  UC578055  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calisoga-Middletown 3 mi e St. Helena; Calistoga Quadrangle Comment
  UCD133650  Cupressus sargentii Edward L. Smith 1967-5-7 s.n. Napa Butts Creek, below small reservoir at upper (northwest) end of canyon where road from Pope Valley enters, Butts Canyon, 6.9 miles northwest of Pope Valley. 213 Comment
  UCD14259  Cupressus sargentii Tim Metcalf 1974-5-18 325 Napa south of Road 121, 4.2 miles west of junction with Road 128. 198 Comment
  CAS-BOT-BC85481  Cupressus sargentii Peter Hamilton Raven 1951-5-26 2888 Napa Butts Canyon [Canon] Comment
  NY16808  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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
  UCD170284  Cuscuta Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 824 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  CAS-BOT-BC224537  Cuscuta californica John Thomas Howell 1933-8-27 11648 Napa East of Chiles Valley on road to Winters, Napa Range Comment
  CAS-BOT-BC224539  Cuscuta californica Peter H. Raven 1952-6-28 4205 Napa Conn Valley 152 Comment
  JEPS47111  Cuscuta californica W. L. Jepson 1894-10-13 70 c Napa Conn Valley Comment
  UCD69069  Cuscuta californica P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. Butts Creek. Parasite on annual grasses. UTM: 10SEN4884 180 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
  JEPS47133  Cuscuta subinclusa W. L. Jepson 1930-10-19 15696 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  JEPS47144  Cuscuta subinclusa W. L. Jepson Oct 12 1894-Oct 13 1894 70 a Napa St. Helena Napa Valley Comment
  RSA13328  Cynoglossum grande C. B. Wolf 1928-2-25 1479 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  UCD60160  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa 7 miles northeast of Napa, Howell Mountains, summit State Hwy. 37. Comment
  UCD149600  Cyperus eragrostis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD149603  Cyperus eragrostis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC114680  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  UCD141114  Cyperus eragrostis W. R. Russell 1952-8-8 s.n. Napa Y' north of Vallejo. Comment
  CHSC102286  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 -A Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC114361  Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa Strand of Conn Lakes 152 Comment
  JEPS121342  Cyperus erythrorhizos Jake Ruygt 1986-8-23 1904 Napa Conn Creek, west of spillway of lake. Comment
  CAS-BOT-BC114170  Cyperus squarrosus Peter H. Raven 1951-6-10 2933 Napa Crater Region E of Palisades. 762 Comment
  JEPS129139  Cyperus squarrosus Jake Ruygt 1998-7-18 4096 Napa Bear Valley at pond. Detert Reservoir 7.5' Quad. Comment
  UCD148559  Cypselea humifusa Jake Ruygt 1987-10-12 2101 Napa Napa County; Sage Canyon Rd., Lake Hennessey, at boat dock. 91 Comment
  CAS-BOT-BC70647  Cystopteris fragilis Carl B. Wolf 1928-5-3 1842 Napa base of Mt. St. Helena Comment
  JEPS116568  Cystopteris fragilis Jake Ruygt 1993-4-3 3181 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC70741  Cystopteris fragilis Peter H. Raven 1953-4-2 5292 Napa Tulucay Creek 243 Comment
  UCD37950  Danthonia californica Beecher Crampton 1962-5-16 6437 Napa Napa County, town of Pope Valley. Comment
  UCD60496  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa About 6-7 mi. from Napa on Hwy. 37 to Monticello. Comment
  UCSB4261  Datisca glomerata Kamb, Peter 1950-6-9 Napa 5 miles south of Monticello, on California #37 Comment
  JEPS110923  Datura wrightii Jake Ruygt 1979-7-22 768 Napa 1.9 miles south of Imola Ave. on HWY 29 (221) 7 Comment
  UCD159931  Daucus pusillus 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
  JEPS81603  Delphinium R. Raiche 1982-3-7 20188 Napa on Chiles and Pope Valley Rd. 1.3 mi n Sage Canyon Road Comment
  SEINET5337981  Delphinium decorum J. Tracy 1902-5-15 1475 Napa On hills at head of Moore's Creek, 3-4 mi. E of Angwin's. 366 Comment
  UCD149642  Delphinium hansenii subsp. hansenii Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.nl. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD95839  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S. of road to St. Helena. Comment
  CDA10886  Delphinium hesperium subsp. pallescens G. F. Hrusa, M. Rejmanek 1993-5-15 10981 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD48154  Delphinium hesperium subsp. pallescens R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 19 Napa Northern Napa Countym McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  HSC47888  Delphinium hesperium subsp. pallescens H. Lewis, G. Mehlquist 1941-5-9 Napa 13.4 mi. N of Monticello Comment
  LA207503  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-9-5 sn Napa Putah Creek Canyon, 14.7 mi. W of Winters Comment
  POM215117  Delphinium hesperium subsp. pallescens D. D. Keck 1933-5-29 2366 Napa Just south of Pope Creek Bridge, south of Walter Springs Comment
  JEPS23353  Delphinium nudicaule Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Comment
  UCD96061  Delphinium nudicaule G. L. Webster 1967-3-23 7487 Napa Along Chiles Creek c. 1 mi. SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  RSA122776  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa Wooden Valley Grade, 5.2 miles NNE of Napa. 274 Comment
  RSA59829  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa among brush of side gulch, Sarco Creek, 5 miles above Napa Comment
  SEINET10762770  Delphinium nudicaule var. foliosum George Thurber Thurber 511 Napa Comment
  UCD20920  Delphinium patens V. (Shorty) Boucher 2002-4-11 11 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd, just south of 'Susan's Road.' About 1000 airline ft SW of locality for Dean 898 - Saxifraga californica (coordinates are for that locality). 274 Comment
  POM182738  Delphinium patens D. D. Keck 1931-4-2 1047 Napa 4 miles S of Monticello, eastern Napa County. Comment
  CAS-BOT-BC116484  Delphinium patens subsp. patens Saichi Kawahara 1968-4-20 350 Napa 2 miles south of Pope Valley, Chiles-Pope Valley Road, Napa Valley 259 Comment
  CAS-BOT-BC116486  Delphinium patens subsp. patens H. L. Mason 1928-4-13 4330 Napa ...between Santa Rosa and Calistoga Comment
  RSA183435  Delphinium uliginosum Alva Day 1965-5-15 65 -126 Napa Cedar Valley, west of Lake Berryessa. Comment
  UC906476  Delphinium uliginosum J. Ewan 1937-5-23 10360 Napa Lower Lake to Monticello road 1.9 mi s Lake Co. line Comment
  UCD14290  Delphinium uliginosum S. Boshoven 1983-5-29 26 Napa Napa Co.; Berryessa-Knoxville Road, 6 miles northwest of Knoxville; 365 Comment
  UCD169783  Delphinium uliginosum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 791 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 451 Comment
  UCD54385  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  CAS-BOT-BC17174  Delphinium variegatum Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC17175  Delphinium variegatum Hilda Smyth 1899-1-1 s.n. Napa near Napa Comment
  UCD96665  Delphinium variegatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  JEPS110871  Delphinium variegatum subsp. variegatum Jake Ruygt 1982-4-18 1188 Napa Calistoga Grade on Mt. St. Helena 350 Comment
  UCD170205  Delphinium variegatum subsp. variegatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 752 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  CAS-BOT-BC7909  Delphinium variegatum subsp. variegatum John Thomas Howell 1931-4-2 6102 Napa 4 miles from Monticello on Wooden Valley Road Comment
  SD44515  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa East side of Mount St. Helena; moist grassy slopes above road. 456 Comment
  UC142990  Dendromecon rigida Mrs. K. Brandegee May, 1910 94 Napa on slopes back of Toll House; North Coast Ranges, Mt. St. Helena Comment
  CAS-BOT-BC658  Dendromecon rigida subsp. rigida L. R. Abrams 1928-5-4 12274 Napa Mt. St. Helena trail. Comment
  CAS-BOT-BC661  Dendromecon rigida subsp. rigida Alice Eastwood 1918-5-1 6860 Napa Mt. St. Helena Comment
  POM242806  Dendromecon rigida subsp. rigida Lyman Benson 1929-9-30 1930 Napa Mt. St. Helena 610 Comment
  CDA12113  Deschampsia cespitosa G. F. Hrusa 1989-5-2 7186 Napa North Coast Biodiversity Arena; Hwy 128 approx. 1/2 mile S of Knoxville-Berryessa Rd. intersection. Comment
  UCD21550  Deschampsia cespitosa A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, west side of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 335 Comment
  SEINET11687431  Deschampsia cespitosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -318 Napa along Butts Canyon Rd near jct with Snell Valley Rd enroute to Berryessa Estates along Butts Creek 250 Comment
  SEINET3927644  Deschampsia danthonioides Herbert L. Mason 1931-4-12 5831 Napa Grounds south of Napa State Hospital.; 0 Comment
  UC1746020  Deschampsia danthonioides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2773 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC187273  Deschampsia danthonioides Joseph P. Tracy 1902-5-21 1605 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 335 Comment
  POM262788  Deschampsia elongata J. C. Roos 1939-7-16 270 Napa Howell Mountain Comment
  UCD63727  Deschampsia elongata E. Wilson 1934-8-1 Napa Mt. St. Helena. Comment
  CHSC108733  Dicentra chrysantha B. Castro; L. P. Janeway 2002-5-12 1361 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  UC3238  Dichelostemma capitatum Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin Comment
  UCD148795  Dichelostemma capitatum Ellen Dean; Diana Hickson 2014-4-29 8103 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC499421  Dichelostemma capitatum Elizabeth Wright 1922-4-1 s.n. Napa Calastoga Comment
  UCD148244  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-4-6 2905 Napa Calistoga, on N side of old landing strip, at east end. 104 Comment
  UCD159913  Dichelostemma capitatum subsp. capitatum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near Q43. 243 Comment
  UCD160771  Dichelostemma congestum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8650 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD83668  Dichelostemma congestum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 3 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  CDA10862  Dichelostemma volubile G. F. Hrusa, M. Rejmanek 1993-5-15 10957 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD18162  Dichelostemma volubile Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC153777  Diplacus angustatus Paul F. Covel 1940-4-28 1700 Napa CCC-Las Posadas CAmp, near Pacific Union College Comment
  CAS-BOT-BC153779  Diplacus angustatus John Thomas Howell 1940-5-19 15465 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC150360  Diplacus aurantiacus Richard R. Halse 1989-5-13 3833 Napa Along State Hwy. 29, on the Calistoga Grade, 2.7 miles north of Calistoga 240 Comment
  CAS-BOT-BC151958  Diplacus douglasii John Thomas Howell 1940-5-19 15454 Napa Upper St. Helena Creek Comment
  CHSC25142  Diplacus grandiflorus J. E. Beitler 1970-4-19 30 Napa St. Helena. Directly opposite dam of Upper Spring Mountain reservoir on E. side of Spring Mountain Road. Comment
  CAS-BOT-BC153279  Diplacus kelloggii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC153277  Diplacus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  CAS-BOT-BC153411  Diplacus layneae Alice Eastwood 1915-6-6 4674 Napa Mt. St. Helena Comment
  CDA6690  Dipsacus fullonum Margaret Bellue 1933-5-2 Napa 0 Comment
  UC796623  Disporum hookeri Ira L. Wiggins 1949-4-30 12088 Napa Mount St. Helena 914 Comment
  JEPS61821  Disporum hookeri Willis L. Jepson 1893-5-1 Napa near Calistoga (Napa River Basin, Frary Valley Grade); Napa River Basin, Frary Valley Grade Comment
  JEPS112625  Dodecatheon hendersonii Jake Ruygt 1988-3-26 2128 Napa Toll Canyon 243 Comment
  CHSC59583  Dodecatheon hendersonii Scott Bingham 1975-5-11 83 Napa At top of grade 4.5 miles east of Toll House. 120 Comment
  HSC17857  Dodecatheon hendersonii Greg Bos 1963-3-30 53 Napa 2.5 mi. up the Old Toll Rd. out of Calistoga. E slope 305 Comment
  JEPS106782  Draba verna Jake Ruygt 1993-4-3 3184 Napa Little Bear Valley 670 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
  UC608447  Drymocallis glandulosa Beryl O. Schreiber 1936-3-5 2202 Napa 1.2 mi w Calistoga; w of Calistoga Comment
  CAS-BOT-BC70948  Dryopteris arguta Carl B. Wolf 1928-5-3 1841 Napa base of Mt. St. Helena Comment
  RSA10648  Dryopteris arguta C. B. Wolf 1928-5-3 1841 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UC191167  Dudleya cymosa C. F. Sonne 1897-4-1 Napa St. Helena Comment
  UC608384  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  UCD15006  Dudleya cymosa Eva Kuuth 1977-5-2 205 Napa Along the Berryessa-Knoxville Rd., 0.5 mile NE of the junction with Highway 128; Comment
  UCD101897  Dudleya cymosa subsp. pumila Bill Wengeler 1995-4-30 s.n. Napa 0.2 mile N of Hwy 128 along Knoxville Road. 183 Comment
  UCD98664  Dysphania ambrosioides H. S. Reed 1948-11-6 2020 Napa Berryessa Valley. Comment
  JEPS122983  Echinochloa crus-galli Jake Ruygt 1986-8-23 1904 b Napa Conn Creek west of the spillway. Quad: Rutherford. Comment
  UC585508  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa (between Calistoga and Mt. St. Helena) Sullivan's Halfway Station 111 Comment
  UC1562616  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
Read comments
Jul 2 2011
  JEPS121358  Eleocharis acicularis var. acicularis Jake Ruygt 1984-5-1 1534 Napa Suscol Hill east of Hwy 29 (221); SE of Rocktram Comment
  UCD161710  Eleocharis engelmannii Jake Ruygt 2010-8-7 5699 Napa Friesen Lakes, Dear Lake. 594 Comment
  CAS-BOT-BC112775  Eleocharis macrostachya Lewis Samuel Rose 1935-6-4 35199 Napa Irrigation ditch, Oakville 45 Comment
  UCD48497  Eleocharis macrostachya A. Collier; D. Caterson and S. Kenady 2002-5-4 2 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads, near stock pond. 320 Comment
  UCD161336  Eleocharis parishii Jake Ruygt 1982-7-18 1369 Napa Cedar Roughs near Guilliame springs. (Coordinates estimated by label maker at UC Davis. Original label read 'section 19') 335 Comment
  UCD20736  Elymus glaucus Ellen Dean; w/ Mark Bibbo 2002-6-17 1100 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. In the middle of the road. 190 Comment
  CAS-BOT-BC203592  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-5-8 5046 Napa 3 miles west of Vacaville Comment
  CAS-BOT-BC203598  Elymus glaucus subsp. glaucus Peter H. Raven 1957-5-5 10761 Napa Hills at western edge of Calistoga 152 Comment
  JEPS122975  Elymus glaucus subsp. glaucus Jake Ruygt 2002-5-12 4415 Napa Southwest corner of Firefly Lane and Valle Verde Drive, Napa. Quad: Napa. Comment
  SACT001100  Elymus glaucus subsp. glaucus John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of Blue Ridge. Forming colonies under oaks, top of ridge just above Pansy Flat. 609.6 Comment
  CAS-BOT-BC234136  Elymus multisetus Peter H. Raven 1952-5-31 4143 Napa Summit of hills SW of Rector Canyon 304 Comment
  JEPS122976  Elymus multisetus Jake Ruygt 1986-5-17 1768 Napa 0.4 mile east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  UCD160740  Elymus multisetus Ellen Dean 2015-5-23 8792 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  CAS-BOT-BC204246  Elymus trachycaulus subsp. subsecundus Peter H. Raven 1951-10-28 3927 Napa Conn Valley 152 Comment
  UCD159910  Emmenanthe penduliflora Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. Near Q58 or Q59. 243 Comment
  UCD20751  Epilobium brachycarpum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 100 Napa McLaughlin UC Reserve. Knoxville-Berryesa Rd. 2.4 road miles S of jct. with Devilhead Rd. W side of the road by old dirt road to an abandoned home site. 350 Comment
  JEPS110701  Epilobium campestre Jake Ruygt 1986-6-21 1830 Napa west end of Soscol Rd. below Southern Crossing HWY 29 4 Comment
  UCD160706  Epilobium campestre Ellen Dean; Jake Ruygt 2015-5-23 8765 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  CAS-BOT-BC166343  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi. west of Monticello on road to [Lowerlake] Lower Lake Comment
  UC221399  Epilobium canum subsp. canum H. M. Hall 1923-10-15 11951 Napa near Calistoga (n of town) Comment
  UC19945  Epilobium densiflorum Michener and Bioletti 1892-8-15 Napa Napa 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
  UCD160631  Epilobium minutum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8723 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 200 Comment
  RSA97973  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 miles above Recreation Beach Comment
  UC1004708  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa 3.5 mi above Recreation Beach; Putah Creek Comment
  JEPS103984  Equisetum hyemale subsp. affine Jake Ruygt 1979-4-11 498 Napa .1 mile south of Redwood Road on Solano Avenue,Napa 22 Comment
  UCD167052  Equisetum laevigatum Jake Ruygt 1991-5-11 2663 Napa Scott's Flat, Aetna Mine Road. 481 Comment
  JEPS116561  Equisetum telmateia var. braunii Jake Ruygt 1991-4-17 2623 Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Rutherford 7.5' Quad. Comment
  CDA29728  Eragrostis cilianensis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 212 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
  CHSC102293  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  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
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS106424  Eremocarpus setiger Jake Ruygt 1978-6-11 347 Napa 1.5 miles north of Silverado Trail on Soda Canyon Rd. 60 Comment
  RSA140853  Eremocarpus setiger John H. Thomas 1960-8-29 8836 Napa About 1 mile north of Calistoga along highway number 53. Comment
  JEPS106940  Ericameria arborescens Jake Ruygt 1991-12-7 2849 Napa Mead Ranch, Atlas Peak Rd, ridge over Soda Canyon 554 Comment
  JEPS120418  Ericameria arborescens Jake Ruygt 2010-8-21 5744 Napa Mt. St. Helena; fire road at intersection with private driveway. Comment
  UCD63173  Erigeron biolettii Jake Ruygt 1978-9-9 412 Napa 1.4 miles northeast of College Ave. on Howell Mt. Rd. 573 Comment
  JEPS129055  Erigeron greenei Jake Ruygt 2016-10-2 6296 Napa Mead Ranch, north entrance, Atlas Pk Road. Capell Valley 7.5' Quad. Comment
  UCD161621  Erigeron petrophilus var. petrophilus Jake Ruygt 2004-8-28 4652 Napa southwest of Bear Valley on ridge, east of 'Cub Valley'. 719 Comment
  SBBG14310  Eriodictyon californicum L. B. Hendrix 1962-5-5 40 Napa SE end of Lake Berryessa, just W of Monticello Dam on Rd along lake Comment
  UCD118350  Eriodictyon californicum Reed Crane; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 403 Comment
  UCD119248  Eriodictyon californicum Kamala Crompton 1996-4-21 2 Napa Along Road 128. 180 Comment
  UCD145264  Eriodictyon californicum Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-13 161 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 160 Comment
  UCD48051  Eriodictyon californicum E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 11 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devil Road. 515 Comment
  UCD164777  Eriogonum compositum var. compositum Jake Ruygt 2006-6-17 5062 Napa North of Three Peaks. 658 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
  POM196472  Eriogonum dasyanthemum J. T. Howell 1927-8-23 3042 Napa Chiles Valley 213 Comment
  UCD99888  Eriogonum dasyanthemum D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCD164779  Eriogonum dasyanthemum Jake Ruygt 2010-7-24 Napa East side of Hwy 121, at north end of Wooden Valley. 426 Comment
  CAS-BOT-BC266053  Eriogonum luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266067  Eriogonum luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  SEINET3405141 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa mountains. Comment
  UCD164783  Eriogonum luteolum var. luteolum Jake Ruygt 1990-6-2 2571 Napa Sulphur Canyon. 231 Comment
  UCD73440  Eriogonum nudum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  CAS-BOT-BC268978  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  RSA491734  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  SBBG1534  Eriogonum nudum var. nudum J. M. Tucker 1941-9-20 395 Napa Putah Cyn; Vaca Range Comment
  SBBG28223  Eriogonum nudum var. oblongifolium S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mtns Comment
  SBBG64230  Eriogonum vimineum S. G. Stokes 1933-8-27 81 Napa Sage Cyn, Napa Mtns Comment
  JEPS106949  Eriophyllum confertiflorum Jake Ruygt 1996-6-1 3731 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 280 Comment
  UCD48640  Eriophyllum lanatum M. Eng; W. Wong, N. Wannlund, A Holman 2002-5-4 2 Napa Quail Ridge UC Reserve, northern top of ridge, N of intersection of West and East roads, on trailside, along lower road leading to power lines, 100 ft. W of lat./long. 335 Comment
  SEINET9291828  Eriophyllum lanatum Unknown 1984-4-28 7 Napa State. Rd 29, about 5 miles NM of Calistoga. Along roadside. Foothill woodland, Quercus sp. and Umbellelaria californica dominants. Perennial herb. 1-8 dm tall. flowers yellow. Rocky, greavelly soil of baaltic parent material UC Davis Herbarium Comment
  JEPS106953  Eriophyllum lanatum var. achilleoides Jake Ruygt 1976-5-6 55 Napa 2.4 miles northeast of Westgate Dr. on Atlas Peak Rd. 338 Comment
  POM315944  Eriophyllum lanatum var. achilleoides Patricia Wilder 1965-6-9 3602 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  JEPS129130  Eryngium castrense Jake Ruygt 2015-5-23 6108 a Napa West of Buck Mountain. Knoxville 7.5' Quad. Comment
  UCD164729  Eryngium jepsonii Jake Ruygt 2014-7-7 6023 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  CAS-BOT-BC54304  Erysimum capitatum David D. Keck 1931-4-2 1031 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  UCD148758  Erysimum capitatum Jake Ruygt 1985-11-16 1625 Napa Napa County; American Canyon, 0.4 miles east of Flosden Rd. 121 Comment
  SEINET14045891 Image available Erythranthe microphylla Peta C. Lewis 1967-1 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  SEINET8340803  Erythranthe microphylla Peta C. Lewis 1967-5-25 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  SEINET8380160  Erythranthe microphylla C. G. Baughn 1949-4-24 21 Napa beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  CAS-BOT-BC133287  Erythronium helenae Mrs. Clara Hunt 1924-3-10 s.n. Napa unspecified Comment
  CAS-BOT-BC133289  Erythronium helenae Ira L. Wiggins 1949-4-30 12092 Napa Eastern slope of Mt. St. Helena near Lake Co. line Comment
  CAS-BOT-BC133290  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mt. St. Helena, northern Napa County, just east of the [Palasades] Palisades on old stage road Comment
  SEINET1783218  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa Country. Comment
  CAS-BOT-BC402786  Eschscholzia caespitosa John H. Thomas 1955-5-21 5131 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS120329  Eschscholzia caespitosa Jake Ruygt 1978-5-7 295 Napa 1.4 miles east of Spanish Flat turnoff on Highway 128. Lake Berryessa 7.5' Quad. Comment
  UCD48075  Eschscholzia caespitosa M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 2 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  CAS-BOT-BC402784  Eschscholzia caespitosa Mrs. H. C. Cantelow 1939-4-8 2513 Napa Pope Creek Rd. nr. Walter's Spring Rd. Comment
  UCD20917  Eschscholzia caespitosa V. (Shorty) Boucher 2002-3-27 8 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of culvert #8 in a roadcut. Comment
  UCD95244  Eschscholzia caespitosa Curtis Clark 1975-4-28 490 Napa State Highway 128, 13.6 miles west of Winters. Comment
  UCD95260  Eschscholzia caespitosa R. L. Smith 1948-5-1 s.n. Napa 8 miles east of Samuel Springs, east branch of Monticello Valley. Comment
  CAS-BOT-BC403337  Eschscholzia californica Alice Eastwood 1922-5-4 11274 Napa Mt. St. Helena Comment
  CAS-BOT-BC403339  Eschscholzia californica Mrs. H. C. Cantelow 1939-4-8 2514 Napa 3 1/2 mi. N.W. of Knoxville Comment
  CAS-BOT-BC403341  Eschscholzia californica Alice Eastwood 1900-5-8 s.n. Napa Calistoga Comment
  OBI11795  Eschscholzia californica R. L. Hoover 1968-4-20 55 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  UCD117790  Eschscholzia californica Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, main meadow. 387 Comment
  UCD95321  Eschscholzia californica David Lawfer 1952-4-28 152 Napa Napa. Comment
  JEPS104492  Euphorbia crenulata Jake Ruygt 1994-3-15 3323 Napa Chiles Canyon Road about 1 mile from Chiles Valley 182 Comment
  UCD167044  Euphorbia crenulata Jake Ruygt 1996-5-14 3695 Napa White Cliff Springs; Elder Valley; (Sabini property). 390 Comment
  CDA4871  Euphorbia oblongata R. Lawley 1970-5-22 Napa Oakville Cross Road & Silverado Trail, Oakville. 0 Comment
  JEPS104529  Eurybia radulina Jake Ruygt 1987-7-16 2072 Napa 2.3 miles northwest of Mt. Veeder Rd. on Redwood Rd. 243 Comment
  RSA755363  Euthamia occidentalis L. Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS122944  Festuca arundinacea Jake Ruygt 1982-5-19 1276 Napa Tubb's Lane, Calistoga. Quad: Calistoga. Comment
  JEPS71214  Festuca californica W. L. Jepson 1934-10-16 16895 Napa Adam-and-Eve Ridge Howell Mt. Comment
  JEPS129082  Festuca microstachys Jake Ruygt 2016-4-16 6192 Napa Smitty Ranch, east of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  CAS-BOT-BC279010  Festuca rubra Peter H. Raven 1952-5-31 4144 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  RSA92797  Festuca rubra P. H. Raven 1951-5-20 2837 Napa West of Oakville. 91 Comment
  RSA52710  Filago californica I. L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 mile from Calistoga Comment
  UC619327  Foeniculum vulgare Wilhelm N. Suksdorf 1913-7-24 621 Napa bank of Napa R. s. of Napa Comment
  JEPS110713  Forestiera pubescens Jake Ruygt 1986-3-29 1673 Napa Toll Canyon 432 Comment
  CAS-BOT-BC437056  Fragaria vesca subsp. bracteata Alice Eastwood 1918-5-1 6824 Napa Mt. St. Helena Comment
  UCD67543  Frangula californica subsp. tomentella D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  UCSB24693  Frangula californica subsp. tomentella McMinn, Howard 1922-07 Napa Pope Canyon Comment
  CAS-BOT-BC223443  Fraxinus dipetala Alice Eastwood 1930-4-13 17926 Napa Canon [Canyon] between Monticello and Pope Valley Comment
  UC410443  Fraxinus dipetala Alice Eastwood 1930-4-13 17926 Napa between Monticello and Pope Valley Comment
  UCD122028  Fraxinus dipetala Beecher Crampton 1969-6-30 8486 Napa 1 mile west Monticello Dam, State Hwy. 128. Comment
  CAS-BOT-BC223532  Fraxinus latifolia Saichi Kawahara 1968-4-20 335 Napa Spillway at Conn Dam, Highway 128 91 Comment
  UC1094037  Fraxinus latifolia Lewis S. Rose 1955-9-26 55190 Napa 4 mi ne Rutherford (below Conn Lake) 60 Comment
  CAS-BOT-BC26108  Fremontia napensis Cornelia S. Masters 1915-6-15 s.n. Napa unspecified Comment
  CAS-BOT-BC205895  Fremontodendron californicum John Thomas Howell 1939-5-7 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  JEPS42891  Fremontodendron californicum W. L. Jepson 1943-5-15 20778 Napa Knoxville Ridge Comment
  UC584196  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 miles S.E. of Lower Lake on the Monticello road beyond the Napa County line Comment
  UCD116270  Fremontodendron californicum Beecher Crampton 1970-4-15 8557 Napa North end of Capell Valley, State Hwy. 128. Comment
  SEINET5510213 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa North base of Mt. St. Helena, along State Highway 29 Comment
  CAS-BOT-BC130079  Fritillaria affinis Carl B. Wolf 1928-5-3 1836 Napa Base of Mt. St. Helena Comment
  JEPS33419  Fritillaria affinis Helen-Mar Beard and Wayne Roderick 1964-3-21 Napa 0.2 mi s of the Lake County Line (along Butts Canyon Road); Butts Canyon Road Comment
  POM169605  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  RSA654126  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UC650291  Fritillaria affinis Robert W. Storer 1941-3-22 14 Napa 1/2 mi. s. Las Posadas Camp (Howell Mt.); Howell Mt. Comment
  JEPS113965  Fritillaria pluriflora Jake Ruygt 1996-2-24 3517 Napa NE of Big Basin about 3/4 mile. Jericho Valley 7.5' Quad. Comment
  JEPS113966  Fritillaria purdyi Jake Ruygt 1993-4-3 3185 Napa Little Bear Valley. Detert Reservoir 7.5' Quad. Comment
  JEPS61895  Fritillaria purdyi Pearl Lutzi 1916-5-1 Napa Napa Range, Calistoga Calistoga; Napa Range, Calistoga Comment
Read comments
Jun 2 2008
  UC421723  Fritillaria purdyi Mrs. L. M. McArthur 1930-4-3 Napa Calistoga, summit of second range Calistoga Comment
  UCD167997  Fritillaria purdyi James A. Neilson Jr. 1977-4-13 3864 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD170295  Fritillaria purdyi Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 835 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  UC14993  Fritillaria recurva J. P. Tracy 1902-5-21 1585 Napa 3-4 mi e of Angwin's (Howell Mountain, head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  CAS-BOT-BC508191  Fritillaria recurva Rimo Bacigalupi 1926-3-28 1256 Napa Road below Mt. St. Helena about 1/2 way between Summit and Middletown Comment
  JEPS61954  Fritillaria recurva Willis L. Jepson 1893-5-5 14819 Napa ne side of Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  UC1196110  Galium andrewsii subsp. andrewsii Joseph P. Tracy 1902-5-15 1466 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 426 Comment
  JEPS110607  Galium aparine Jake Ruygt 1978-4-6 258 Napa 1.0 mile west of Dry Creek Rd. on Redwood Rd. 51 Comment
  UCD159924  Galium aparine Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  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
  JEPS52701  Galium bolanderi G. L. Stebbins Jr. 1963-6-12 6129 Napa Hwy 128 1/2 mi se junction with road to Spanish Flat (above w bank of creek); Capell Creek 274 Comment
  UCR64599  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John 229 Comment
  CDA30788  Galium porrigens V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UC1196090  Galium porrigens Joseph P. Tracy 1899-6-26 429 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD19332  Galium porrigens M. A. Bibbo; E. Dean 2001-7-6 24 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.2 air miles from jct of W and E roads. 312 Comment
  UCR225658B  Galium porrigens Ellen Dean, Stephen Rae 2008-5-21 4985 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  UCD121930  Galium tricornutum M. Wiesendanger 1927-5-4 665 Napa Near Monticello. Comment
  CAS-BOT-BC144378  Garrya fremontii Alice Eastwood 1922-3-26 11110 Napa Mt. St. Helena Comment
  CAS-BOT-BC144382  Garrya fremontii H. E. McMinn 1923-5-25 961 b Napa Summit Wooden Valley Grade. Road to Napa. Comment
  CDA38570  Garrya fremontii H. Stabo 1959-9-1 s.n. Napa E. St. Helena hills. 0 Comment
  UCD66609  Gastridium phleoides E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello - Napa road. Comment
  JEPS126067  Geranium carolinianum Jake Ruygt 2006-5-23 5036 Napa Bell Creek. Saint Helena 7.5' Quad. Comment
  UCR12066  Geranium dissectum Coleta A. Lawler 1964-3-24 01 Napa Henry Road, c. 0.5 mi. from junction with Buhman Avenue, c. 3 mi. west of Napa 8 Comment
  UCD103357  Geranium dissectum David Lawfer 1952-5-4 157 Napa Napa. Comment
  JEPS106708  Geranium molle Jake Ruygt 1986-3-22 1666 Napa Vaca Mountains, east of Markley Cove Resort 304 Comment
  UCD20826  Geranium molle N. Nicola 2001-3-30 042 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD23410  Geranium molle Nicholas Ewing 1977-4-16 11 Napa Petals lavender, annual, erect, leaves palmately veined and palmately lobed. Anthers lavender. North facing slope, half sun, foothill woodland. 0.6 miles east along East Bull Canyon, off Highway 128 7.4 miles SSW of Monticello Dam. 152 Comment
  UCD132710  Geranium purpureum Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park, in area near parking lot and around historic mill. 115 Comment
  JEPS110953  Gilia capitata subsp. capitata Jake Ruygt 1997-5-18 3854 Napa Hogback Mountain, Taylor Preserve. 542 Comment
  UC23451  Gilia capitata subsp. capitata Ferd. L. Clarke 1892-1 Napa near Yountville; near Yountville Comment
  UCD117697  Gilia capitata subsp. capitata Carl A. Huether 1965-5-7 66 Napa south side of Soda Creek. Comment
  UCD117699  Gilia capitata subsp. capitata Eric S. Ngay 1990-5-26 17 Napa gravel mine west of bridge, south bank of Pope Creek, near mile marker 4.75 Pope Canyon Road. Comment
  HSC45343  Gilia tricolor R. York 1978-4-8 115 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  SEINET5732137 Image available Gilia tricolor Linda Dodge 1974-1 13 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon and Chiles Valley Road intersection. 183 Comment
  JEPS110963  Gilia tricolor subsp. tricolor Jake Ruygt 1995-4-17 3425 Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 100 Comment
  UCSB9986  Githopsis specularioides Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  UC1563928  Glinus lotoides Barbara Ertter with Elizabeth Neese 1988-10-2 7966 Napa 15 air mi nnw of Napa (Lake Hennessey on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UCR71524  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 Napa North Coast Ranges, Lake Hennessey, c. 15 air mi NNW of Napa, on Conn Creek 92 Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  UCD167271  Godetia amoena var. sonomensis Jake Ruygt 1993-5-22 3267 Napa Conn Valley Road near Howell Mountain Road. 121 Comment
  JEPS4235  Gratiola ebracteata W. L. Jepson 1936-5-30 17558 Napa Rutherford Napa Valley (Napa Valley) Comment
  POM204465  Gratiola ebracteata J. T. Howell 1933-5-21 11322 Napa Napa Comment
  UCR44911  Grindelia camporum L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  CAS-BOT-BC304883  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC304897  Grindelia hirsutula Robert M. King 1980-7-9 8417 Napa 2-3 miles north of Calistoga Comment
  CAS-BOT-BC304899  Grindelia hirsutula Peter H. Raven 1953-10-4 6365 Napa Duttons Landing 0 Comment
  CAS-BOT-BC304910  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Lower slopes of Mt. St. Helena Comment
  JEPS121525  Grindelia hirsutula Adam C. Schneider with Dick O'Donnell 2013-5-26 234 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS41923  Grindelia hirsutula Alice King 1919-7-1 Napa Van Ness Ranch; Mt. St. Helena, Van Ness Ranch Comment
  POM359073  Grindelia hirsutula Peter H. Raven 1965-5-15 20200 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  SEINET3132905  Grindelia hirsutula M. P. Dunford 1959-10-3 557 Napa Summit of Howell Mtn.; 2 mi. S of Pope Valley on road to Angwin Comment
  RSA74452  Grindelia hirsutula var. davyi Milo S. Baker 1947-7-7 11858 Napa Along wood Rd from Mt. St. Helena Inn southerly towards the 'Crater.' 762 Comment
  UC160977  Guillenia lasiophylla Joseph P. Tracy 1902-5-16 1501 Napa 3 to 4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  POM143656  Guillenia lasiophylla C. F. Baker 1903-4-20 2629 Napa Mt. St. Helena. Comment
  UCD161617  Gutierrezia sarothrae Jake Ruygt 2003-11-4 4565 Napa Blue Ridge about 1 mile north of Mays Flat. (Coordinates converted from UTM data by label maker). 716 Comment
  CAS-BOT-BC202652  Gyminda tonduzii James L. Reveal 1987-6-7 6394 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville Comment
  CAS-BOT-BC302213  Harmonia hallii H. M. Hall 1931-5-27 13102 Napa Three miles northwest of Knoxville Comment
  CAS-BOT-BC8138  Harmonia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  UCD170159  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 779 Napa Knoxville Wildlife Area, on road above and east of upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 522 Comment
  CAS-BOT-BC302245  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  JEPS101339  Harmonia nutans Dean W. Taylor 1998-6-3 16452 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UC89166  Harmonia nutans Brandegee April, 1889 Napa Toll House Mt. St. Helena Comment
  UCD132774  Helianthella californica J. M. Tucker 1968-5-20 4111 Napa summit of Blue Ridge (Vaca Range), around 1.5 miles northwest of the head of Mxi Canyon. 762 Comment
  JEPS33580  Helianthella californica subsp. californica W. L. Jepson 1936-5-29 17548 Napa Adam and Eve Ridge Howell Mt. Comment
  UC1199264  Helianthella californica subsp. californica Joseph P. Tracy 1933-6-2 12486 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 396 Comment
  JEPS33583  Helianthella californica subsp. californica W. L. Jepson 1938-5-25 18863 Napa Bell Canyon Napa Range, Howell Mtn. 579 Comment
  UC1069443  Helianthella californica subsp. californica A. Lewis 1932-5-14 78 Napa along the roadside Napa Quadrangle Comment
  CAS-BOT-BC223903  Helianthemum scoparium John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD159470  Helianthus bolanderi D. S. Park 2010-8-13 224 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 234 Comment
  UCD63181  Helianthus bolanderi Jake Ruygt 1986-7-5 1861 Napa Devilshead Rd. at road to 'sensitive plant canyon'. 472 Comment
  SEINET3930499  Helianthus bracteatus David Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Road, near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  CAS-BOT-BC305615  Helianthus californicus John Thomas Howell 1929-8-4 4358 Napa Flood bed of Pope Creek, one mile below Samuels Springs, Napa Range Comment
  JEPS115772  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  UCD74368  Heliotropium curassavicum var. oculatum Jake Ruygt 1991-6-29 2762 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 121 Comment
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 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
  UC222700  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-10-15 11950 Napa 2 mi nw Calistoga; Martindale's Spring Comment
  CAS-BOT-BC306267  Hemizonia congesta subsp. lutescens Peter H. Raven 1953-10-4 6363 Napa Fields near Dutton's Landing 15 Comment
  CAS-BOT-BC309839  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-10-28 3957 Napa Knoxville 457 Comment
  CAS-BOT-BC309841  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1952-6-28 4203 Napa Conn Valley 137 Comment
  JEPS106662  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1982-6-13 1313 Napa Cedar Roughs 271 Comment
  UC2026901  Hemizonia congesta subsp. luzulifolia David Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UCD20508  Hemizonia congesta subsp. luzulifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1081 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
  UC197527  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10094 Napa near Napa Junction (La Eskina); Region of San Francisco Bay Comment
  RSA31985  Hemizonia lutescens A. A. Heller 1941-9-22 16316 Napa Near Napa Junction. Comment
  SEINET10669265 Image available Hemizonia parryi subsp. parryi Charles C. Parry 1882-1 Parry 129 Napa Comment
  CAS-BOT-BC310200  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1931-4-19 6439 Napa Conn Valley Comment
  SJSU149  Hesperocyparis sargentii Emily D. Smith 1935-11-11 Napa near head of St. Helena Cr c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  JEPS122785  Hesperolinon bicarpellatum Jake Ruygt 1998-7-6 4075 Napa Butts Canyon about 0.3 mile north of Snell Valley Road. QUAD: Aetna Springs. Comment
  JEPS32274  Hesperolinon bicarpellatum Jos. P. Tracy Jun 13 1899-Jun 19 1899 382 Napa Howell Mt. Comment
  JEPS88633  Hesperolinon bicarpellatum Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10800 Napa Butts Canyon Road near junction with Snell Road; North Coast Ranges 204 Comment
  OBI12554  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4108 Napa Above Sage Crk 0.8 mi S of Chiles Valley Comment
  UC1212341  Hesperolinon bicarpellatum J. P. Tracy 1899-7-6 382 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 426 Comment
  UC1212370  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4070 Napa 3.8 mi n Cappell Valley road junction; Inner North Coast Ranges, Steel Canyon 304 Comment
  CAS-BOT-BC167446  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa S. [Cappell] Capell Valley 365 Comment
  CAS-BOT-BC488335  Hesperolinon californicum Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 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
  JEPS122877  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 618 Napa Lunch meadow site at McLaughlin Reserve Comment
  UCD160795  Hesperolinon californicum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8675 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
  SEINET5744443 Image available Hesperolinon californicum L. L. Worden 1971-1 33 Napa 20 yards W of lower Chiles Valley Road, 1.7 miles N of its junction with State Hwy 128. Comment
  CAS-BOT-BC176059  Hesperolinon clevelandii Peter H. Raven 1951-6-10 2941 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC176060  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine 304 Comment
  JEPS122786  Hesperolinon clevelandii Jake Ruygt 2009-6-8 5427 Napa Wild Lake Ranch. Candlestick Ridge. QUAD: St. Helena. Comment
  RSA262583  Hesperolinon clevelandii Kathleen Barnes 1973-6-4 61 Napa McDonald Ranch, 1/2 mile up from house, Pope Valley Road. Comment
  UC1212323  Hesperolinon clevelandii Milo S. Baker 1947-7-7 11853 Napa at end of wood road leading southerly from Mt. St. Helena Inn (towards the Crater); Inner North Coast Ranges Comment
  UCD167295  Hesperolinon clevelandii Jake Ruygt 2007-5-26 5193 Napa Duff Ranch; northeast side of High Point. 768 Comment
  UCD167296  Hesperolinon clevelandii Jake Ruygt 2010-5-15 5551 Napa Snell Valley/ Missimer Preserve, north of Butts Creek, near small drainage. 198 Comment
  CAS-BOT-BC176238  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4113 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road 121 Comment
  UCD160796  Hesperolinon disjunctum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8676 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD164756  Hesperolinon disjunctum Jake Ruygt 2014-5-24 5960 Napa Camp Berryessa, north of Pope Creek. 144 Comment
  UCR43104  Hesperolinon disjunctum L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  UC1212481  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa directly e Knoxville; Inner North Coast Ranges 396 Comment
  CAS-BOT-BC167456  Hesperolinon drymarioides G. L. Stebbins 1966-6-6 6447 Napa Along road from Knoxville to Cedar Valley 487 Comment
  JEPS112655  Hesperolinon drymarioides Jake Ruygt 2000-7-8 4283 Napa Devilshead Rd. 475 Comment
  UCD149555  Hesperolinon drymarioides G. L. Stebbins 1970-7-17 7058 Napa South of Knoxville on Devilhead road. Three miles south of the junction with Berryessa-Knoxville Rd. (Exact location unknown. Coordinates estimated by label maker.) 463 Comment
  UC1212413  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4595 Napa near road from Cappell Valley to Rutherford (Soda Creek canyon); Inner North Coast Ranges, Soda Creek 213 Comment
  UC1601272  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 b Napa 2.1 mi beyond intersection of Conn Reservoir road to Rutherford with Chiles Valley-Pope Valley road Inner North Coast Ranges, Chiles Valley 198 Comment
  UCR71475  Hesperolinon micranthum H. K. Sharsmith 1965-5-18 5517 Napa Inner North Coast Ranges, 2.2 mi. north of Wooden Valley Road junction with Napa-Lake Berryessa Hwy 37 213 Comment
  JEPS122793  Hesperolinon sharsmithiae Jake Ruygt 2009-5-27 5424 Napa Mt. George, about 1/8 mile down road from homestead site. Tupper. QUAD: Mount George. Comment
  JEPS127884  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 197 Napa Along Chiles Valley Road. Comment
  RSA435710  Hesperolinon spergulinum Robert Gustafson, Don Reynolds 1983-6-7 2740 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. 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
  UCSC009029  Hesperolinon spergulinum Dylan M. Neubauer 2015-4-24 131 Napa (NCoRI) N side Ink Grade Rd, 1.07 air-miles NW Pope Valley 289 Comment
  OBI57147  Hesperolinon spergulinum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24505 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 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
  JEPS11799  Heterocodon rariflorum Willis L. Jepson 1893-1 Napa grade below New Eden (Howell Mt); Napa River Basin, Howell Mt. Comment
  UC1198754  Heteromeles arbutifolia J. P. Tracy 1899-7-4 377 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  UCD118394  Heteromeles arbutifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD48194  Heteromeles arbutifolia R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 23 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  CAS-BOT-BC176952  Heterotheca oregona var. oregona J. C. Semple; S. Heard 1986-8-20 8566 Napa Just N of [Calistogo] Calistoga on CA-29m, 15.3 km SW of Lake county line. Gravel bars of Garnett Creek Comment
  SBBG2692  Heuchera micrantha H. and M. Dearing 1939-5-1 3242 Napa cyn on Hart Ranch, St Helena Comment
  UC127169  Hieracium albiflorum Harley P. Chandler Sep 7 1906-Sep 14 1906 7152 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC1586045  Hoita macrostachya Barbara Ertter with Elizabeth Neese 1988-10-2 7959 Napa s side Rt 128 across from spillway (ca 15 air mi nnw); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  UC764637  Hoita macrostachya R. F. Hoover 1941-8-24 5573 Napa Mt. St. Helena; e side Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  UC1618008  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa between Napa and Wooden Valley (n. slopes of George Mt. along Sarco Creek); George Mt., Sarco Creek 152 Comment
  CAS-BOT-BC149994  Holodiscus discolor var. discolor G. Douglas Barbe 1957-7-4 368 Napa NW of Christian Bros. Mt. LaSalle School, abt. 0.6 mi. SE of road (6.6 miles west of State Hwy 29 on Redwood Road) Comment
  CAS-BOT-BC149996  Holodiscus discolor var. discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya 487 Comment
  CAS-BOT-BC315792  Holozonia filipes Edward Lee Greene 1883-1-1 s.n. Napa Napa Valley Comment
  JEPS106641  Holozonia filipes Jake Ruygt 1982-6-21 1334 Napa Suscol plain 4 Comment
  JEPS7754  Holozonia filipes Peter H. Raven 1952-8-28 5158 Napa near Napa Soda Springs 228 Comment
  UC668201  Holozonia filipes Joseph P. Tracy 1938-6-6 15838 Napa between Napa City and Youngville; Napa Valley 30 Comment
  UCD63162  Holozonia filipes Jake Ruygt 1986-7-22 1884 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 448 Comment
  UCD85462  Hordeum brachyantherum subsp. californicum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  UCD85520  Hordeum brachyantherum subsp. californicum Beecher Crampton 1955-5-9 2754 Napa 2 miles N of Calistoga, Myrtledale Hot Springs. Comment
  UCD85529  Hordeum brachyantherum subsp. californicum Beecher Crampton 1962-5-16 6424 Napa 6.4 miles S of Pope Valley, western slope of Chiles Valley. Comment
  CAS-BOT-BC273492  Hordeum vulgare E. Ruckert 1960-4-29 127 Napa 300 yards southeast of house, 6495 Dry Creek Road 365 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
  UC131665  Hydrophyllum occidentale C. F. Baker 1903-5-11 3083 Napa Knoxville Comment
  CAS-BOT-BC410212  Hypericum concinnum Peter H. Raven 1950-6-20 2380 Napa Howell Mtn. on NNE side Rd to Pope Valley Comment
  CAS-BOT-BC410807  Hypericum concinnum John Thomas Howell 1926-10-3 2207 Napa Near top of Mt. St. Helena 1066 Comment
  CAS-BOT-BC410809  Hypericum concinnum Rimo Bacigalupi 1928-6-20 1870 Napa Howell Mt 10 miles E of St Helena Comment
  OBI57142  Hypericum concinnum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24513 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  UC521696  Hypericum concinnum Joseph Andorfer Ewan 1933-9-17 8008 Napa near n. summit Mt. St. Helena Comment
  UCD133461  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 340 Napa east slope of Mt. Veeder. Comment
  POM182754  Iris D. D. Keck 1931-4-2 1026 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCSB19155  Iris douglasiana Rankine, Jane 1965-4-13 Napa 3 miles W of Pope Valley; on the road between Pope Valley and Anqwin Comment
  UCD70456  Iris fernaldii J. D. Clark 1995-5-27 21 Napa Robert Lewis Stevenson State Park. East of hwy 129; 1/1-3/4 mi from trailhead along trail. Shaded site. 548 Comment
  RSA135875  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17118 Napa 6.3 miles south of Lake County, Highway 29 Comment
  UCD138722  Iris fernaldii Bradford Bearce 1965-4-4 21 Napa 29 miles west of Winters on road to Napa. Comment
  UCD138726  Iris fernaldii Heidi E. M. Dobson 1978-4-8 298 Napa Mt. Veeder. Comment
  JEPS126027  Iris macrosiphon Jake Ruygt 1976-5-2 42 Napa 3.4 miles NE of Atlas Peak Road on Monticello Road. Mount George 7.5' Quad. Comment
  UCD149715  Iris macrosiphon Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD18030  Iris macrosiphon Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 576 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD95917  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7053 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UC914248  Iris macrosiphon Verne Grant and Alva Grant 1947-4-19 7938 Napa e of summit of Mayacama Mts. (on Napa to Monticello road) Comment
  UCD166694  Iris macrosiphon Jake Ruygt 2007-4-15 5146 Napa Las Posadas State Forest, edge of upper meadow. 518 Comment
  JEPS103969  Isoetes nuttallii Jake Ruygt 1990-5-5 2523 Napa Wild Horse Valley Ranch 502 Comment
  JEPS79459  Isoetes nuttallii Edward Lee with A. Carter and E. Crum 1936-3-15 1813 Napa 10.7 mi. out of Rutherford (Rutherford-Pope Valley rd.) Comment
  UC32952  Jaumea carnosa Willis L. Jepson 1896-11-4 Napa below Napa City Comment
  RSA1941  Juglans californica Carl B. Wolf 1930-11-3 1801 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  JEPS58692  Juglans californica var. hindsii W. L. Jepson 1911-11-11 4762 Napa Mt. Atlas Napa Range Comment
  CAS-BOT-BC102317  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  CAS-BOT-BC102319  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  RSA12697  Juglans hindsii Carl B. Wolf, E. R. Johnson 1934-10-17 6197 Napa Munson Ranch, Napa Range, above Wooden Valley; This is an old Indian Camp Site 305 Comment
  UCD170365  Juglans hindsii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 863 Napa Knoxville Wildlife Area, along Berryessa-Knoxville Road. 240 Comment
  UC1601693  Juncus bufonius W. L. Jepson 1896-1 Napa near St. Helena; Napa Valley Comment
  UCD149577  Juncus bufonius var. congestus Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  JEPS63908  Juncus effusus subsp. pacificus W. L. Jepson 1920-7-12 9071 a Napa near Yountville (e side road going toward Napa); Napa Valley Comment
  JEPS122656  Juncus ensifolius Jake Ruygt 1984-6-23 1575 Napa Livermore Road, west of ranchhouse. Quad: Detert Reservoir. Comment
  UCD147527  Juncus hemiendytus var. hemiendytus Ellen Dean; Diana Hickson 2014-4-29 8082 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS122655  Juncus kelloggii Jake Ruygt 1992-4-29 2912 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS96546  Juncus kelloggii Dean W. Taylor 1998-6-3 16454 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UC14893  Juncus kelloggii J. P. Tracy 1902-5-19 1555 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  JEPS67116  Juncus kelloggii Jos. P. Tracy 1902-5-18 1534 a Napa Head of Moores Creek Howell Mt. 518 Comment
  JEPS126046  Juncus luciensis Jake Ruygt 1990-4-28 2516 Napa Bear Valley at pond. Detert Reservoir 7.5' Quad. Comment
  RSA19022  Juncus occidentalis M. S. Jussel 1937-5-23 s.n. Napa Mt. St. Helena. Comment
  RSA517032  Juncus occidentalis W. L. Jepson 1936-6-1 17579 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  JEPS126057  Juncus oxymeris Jake Ruygt 2010-6-26 5660 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  UCD121184  Juncus patens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7361 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat. 392 Comment
  UCR227348  Juncus patens Ayzik Solomeshch 2007-5-28 s.n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road 152 Comment
  JEPS122666  Juncus phaeocephalus var. paniculatus Jake Ruygt 1996-6-1 3732 Napa Highway 128 about 3/4 mile north of Turtle Rock Cafe. Quad: Chiles Valley. Comment
  JEPS103998 Image available Juniperus californica Jake Ruygt 1981-7-23 1080 Napa about 1 mile north of Berryessa Peak, Blue Ridge 822 Comment
  POM263159  Keckiella corymbosa J. C. Roos 1939-7-16 274 Napa Napa Range near Calistoga. Comment
  CAS-BOT-BC237851  Keckiella lemmonii Rimo Bacigalupi 1928-6-20 1873 Napa Howell Mt 10 miles west of St Helena Comment
  UCD123773  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 miles from Winters, on road to Monticello. Comment
  JEPS122912  Koeleria macrantha Jake Ruygt 2000-5-15 4250 Napa Henry Road, on old Henry Ranch. Quad: Napa. Comment
  JEPS76091  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  CAS-BOT-BC499196  Kopsiopsis strobilacea Eva Holmes 1929-5-27 s.n. Napa Napa Comment
  SD147586  Laburnum anagyroides Greg de Nevers, Susan Charnley 1987-6-19 8229 Napa Robert Louis Stevenson State Park, Mt. St. Helena. 750 Comment
  UCD20756  Lactuca serriola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 105 Napa McLaughlin UC Reserve. Just S of the reserve on Adam's Ridge Rd. 1.6 road miles E of the jct with Devilhead Rd. 640 Comment
  CAS-BOT-BC340516  Lactuca serriola Lise Thomsen 1988-8-23 s.n. Napa 1.8 mi. west of intersection of Hwy 29 & Redwood Rd. Comment
  UCD48601  Lagophylla minor M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 8 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 297 Comment
  UCD37730  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  RSA13382  Lagophylla ramosissima Daniel Cleveland, Michelle Cleveland 1882-8-26 s.n. Napa Actria Springs. Comment
  UC33058  Lagophylla ramosissima Willis L. Jepson 1894-5-1 Napa e St. Helena; Napa River basin Comment
  CHSC10556  Lamium amplexicaule Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 304 Comment
  CAS-BOT-BC338267  Lasthenia californica John Thomas Howell 1926-3-27 1761 Napa Myrtledale Hot Springs near Calistoga Comment
  UC166655  Lasthenia californica subsp. californica J. P. Tracy 1902-5-17 1514 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 365 Comment
  UCD18084  Lasthenia californica subsp. californica Ellen Dean; with PLB 102 class 2000-4-22 640 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
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 Comment
  JEPS106622  Lasthenia glabrata subsp. glabrata Jake Ruygt 1982-5-13 1246 Napa .5 miles south of Imola Ave. on South Jefferson,Napa 1 Comment
  RSA633346  Lathyrus aphaca Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. Comment
  UCD106197  Lathyrus aphaca Michael A. Vincent; Ethan H. Freid 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. 2.5 miles southeast of Calistoga city limits. Comment
  UCD170366  Lathyrus cicera Daniel Potter; N Khuu, K Battenberg 2016-4-30 864 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. 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
  UCD168534  Lathyrus hirsutus Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS107269  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1999-6-8 4181 Napa Fagan's Slough Comment
  UCD168571  Lathyrus vestitus Stephen P. Rae; A. Solomeshch 2007-3-19 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD48895  Lathyrus vestitus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. ca. 400 ft. NNW of jct with South Decker Canyon Rd. 188 Comment
  UCD73406  Lathyrus vestitus 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
  UCD83863  Lathyrus vestitus var. vestitus Ellen Dean; Stephen Rae 2010-3-15 5821 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  CAS-BOT-BC321716  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  HSC44002  Layia platyglossa Robert M. Specht 1977-4-13 647 Napa 524 Comment
  UCD160043  Layia platyglossa Catherine Koehler 2012-4-2 s.n. Napa McLaughlin UC Reserve. WSW of Knoxville Mine site, along Knoxville-Berryessa Road. North side of road. 464 Comment
  UCD170351  Layia septentrionalis Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 850 Napa Just north of Nevada Creek, west, east, and south of Knoxville Wildlife Area boundaries due to indentation in the southern boundary. 392 Comment
  RSA92952  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma county line 244 Comment
  JEPS63268  Lepechinia calycina W. L. Jepson 1943-5-15 20776 Napa Knoxville Ridge Comment
  UCD19935  Lepechinia calycina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 793 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD73427  Lepechinia calycina Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD74399  Lepidium didymum Jake Ruygt 1990-5-16 2545 Napa Marina Drive, Napa. 3 Comment
  CAS-BOT-BC12513  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Napa Valley. Calistoga. Comment
  JEPS106843  Lepidium nitidum var. nitidum Jake Ruygt 1979-3-5 439 Napa Trefethen Vineyards, Oak Knoll 32 Comment
  RSA51336  Lepidium strictum P. H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  CHSC42327  Leptosiphon androsaceus L. Constance 1938-4-22 2133 Napa Above Dry Creek 2 mi. W. of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  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
  OBI54928  Leptosiphon androsaceus Kathleen Faustini 1980-5-4 25 Napa Monticello dam Comment
  UCD118586  Leptosiphon androsaceus G. F. Hrusa 1992-4-15 10379 Napa along Highway 128, approximately 2 m. north of Knoxville-Berryessa Road. Comment
  UCD167620  Leptosiphon bolanderi Hyosig Won 2016-4-12 13945 Napa McLaughlin UC Reserve. Northwest of old town of Knoxville. 688 Comment
  HSC45348  Leptosiphon parviflorus R. York 1978-4-8 110 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD49218  Leptosiphon parviflorus S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 32 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD167234  Leptosiphon parviflorus Jake Ruygt 1983-5-1 1452 b Napa Suscol Ridge east of Highway 29 (221). 22 Comment
  CAS-BOT-BC324168  Lessingia hololeuca Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Callistoga Comment
  RSA14531  Lessingia ramulosa Daniel Cleveland 1882-8-23 s.n. Napa Aetna Springs Comment
  UCD37721  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  JEPS29587  Lewisia rediviva Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8444 Napa 5 mi n along Atlas Peak road Vichy Springs junction (with Calif. 37) (1/4 mi n of junction with side road leading to Milliken Reservoir) 355 Comment
  UC1198370  Lewisia rediviva Joseph P. Tracy 1902-5-21 1592 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 335 Comment
  UC204945  Lewisia rediviva C. F. Sonne May 1896 Napa Hills Napa Soda Springs Soda Springs Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  JEPS104543  Ligusticum apiifolium Jake Ruygt 1987-7-5 2061 Napa Bothe State Park, Ritchie Creek 128 Comment
  UCD139755  Lilium rubescens Heidi E. M. Dobson 1978-6-14 337 Napa east side of Mt. Veeder. Comment
  UC971805  Limnanthes douglasii Annetta Carter 1942-4-19 1668 Napa meadow 2 mi s Staggs Leap Comment
  POM137445  Limnanthes douglasii subsp. douglasii C. F. Baker 1903-4-19 1991 Napa Calistoga. Comment
  UC971836  Limnanthes douglasii subsp. douglasii Annetta Carter 1942-4-19 1667 Napa 3.3 mi s Napa Comment
  JEPS112563  Limnanthes douglasii subsp. nivea Jake Ruygt 1996-4-11 3594 Napa Calistoga Airport 105 Comment
  JEPS122773  Limnanthes douglasii subsp. rosea Jake Ruygt 1999-4-21 4139 z Napa Parry Collins property on Atlas Peak Road near Milliken Reservoir property. Quad: Capell Valley. Comment
  UCD116445  Limnanthes douglasii var. nivea H. Popenoe 1949-4-17 8 Napa 17 miles from Winters, Putah Canyon Road, at entrance to Monticello Valley. Comment
  UCD167292  Limnanthes floccosa subsp. floccosa Jake Ruygt 2005-4-17 4772 Napa Cub Valley' south of Bear Valley. 664 Comment
  RSA0062956  Linanthus androsaceus Reino Alava 1957-5-30 992 Napa Near the end of State Highway no. 37, in the southern end of Capell Valley. Comment
  UC23500  Linanthus dichotomus Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UCD20384  Linanthus dichotomus K. Esau 1938-4-13 s.n. Napa Highway between Monticello and Napa. Comment
  SEINET197690  Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-5-24 12540 Napa Eight miles s. of Pope Valley Store. Comment
  POM65868  Linanthus dichotomus subsp. meridianus C. F. Baker 1903-4-30 2627 Napa [Near] St. Helena. Comment
  SEINET12329985  Linanthus dichotomus subsp. meridianus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -299 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  JEPS110972  Linanthus jepsonii Jake Ruygt 2005-5-11 4828 Napa Bear Valley, near Van Ness Creek 640 Comment
  NY76910  Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km west of Hardin Road, and 60 m. north of vernal pool Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  RSA0062955  Linanthus parviflorus H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  SEINET11263942  Linanthus parviflorus Barbara Ertter, Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley.; 0 Comment
  UC1301143  Linanthus parviflorus Helen K. Sharsmith 1963-4-20 5332 Napa 4 mi s Napa (off of Kelly Road); San Francisco Bay Region 45 Comment
  UC517483  Linanthus parviflorus John Thomas Howell 1933-5-21 11314 Napa e of Napa Comment
  JEPS58548  Linanthus pygmaeus W. L. Jepson 1896-6-2 20920 a Napa St. Helena, Conn Valley, lower end, on cross-ridge at mouth Conn Valley Comment
  JEPS101591  Linanthus pygmaeus subsp. continentalis Dean W. Taylor 1998-6-18 16678 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  SFV8647  Lithophragma affine P. W. Fong 1971-5-1 57 Napa McDonald Ranch, about 20 miles northwest of intersection of State Highways 121 and 128 on Chiles Valley Road. North facing slope near top of small hill. 244 Comment
  RSA734141  Lithophragma affine Keith E. Hoffmaster 1946-3-23 1238 Napa Napa Range Comment
  UCD19722  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1210 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  CAS-BOT-BC342247  Logfia filaginoides John H. Thomas 1958-4-19 7110 Napa About 2 miles SW of Oakville 152 Comment
  CAS-BOT-BC342249  Logfia filaginoides M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UC165833  Logfia gallica J. P. Tracy 1902-5-17 1519 Napa 3-4 m e of Angwin' (head of Moore's Creek); Howell Mountain,Moore's Creek 365 Comment
  UCD18077  Lolium multiflorum Ellen Dean; with PLB 102 class 2000-4-22 633 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
  JEPS104571  Lomatium californicum Jake Ruygt 1991-4-20 2634 Napa Mead Ranch, Atlas Peak Rd. 560 Comment
  SBBG5203  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  UCD149638  Lomatium caruifolium var. caruifolium Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD150868  Lomatium caruifolium var. caruifolium Robert E. Preston 1988-4-10 586 Napa ca. 0.6 mile ESE of the confluence of Putah and Hunting Creeks. 304 Comment
  UCD19955  Lomatium dasycarpum E. A. Dean; Virginia Boucher 2002-2-28 904 Napa Quail Ridge Reserve. Along upper trail, north of stock pond near Quail Ridge tip. 0.25 airline miles NE of junction with West Rd. 304 Comment
  UCD48425  Lomatium dasycarpum S. Murphy; K. Keck and K. Dyer 2002-5-5 11 Napa Quail Ridge UC Reserve, northern tip of ridge, along southern edge of upper road leading to power lines and tip parcels, north from the intersection of West and East roads ca. 450 m. 327 Comment
  UC176029  Lomatium dasycarpum subsp. dasycarpum H. P. Chandler 1907-5-12 7568 Napa St. Helena, White Sulphur Spring Comment
  UCD148109  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-4-6 485 Napa Napa County; on Snell Valley Rd. 0.3 mi. east of Butts Canyon Rd. 207 Comment
  JEPS17139  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1893-4-28 14304 Napa hills e. Napa Comment
  UCD170296  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 836 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 452 Comment
  UCD18026  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 573 a Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  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
  SEINET8465426 Image available Lomatium macrocarpum Joseph Andorfer Ewan 1934-4-30 8836 Napa Steel Canyon 8 miles south of Monticello Comment
  UC517964  Lomatium marginatum var. purpureum John Thomas Howell 1931-4-3 6148 Napa Butts Valley Rd. to Middletown 5 mi. from Aetna Springs Comment
  UC647527  Lomatium marginatum var. purpureum Joseph P. Tracy 1938-6-5 15832 Napa 5 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 396 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
  UC1278732  Lomatium marginatum var. purpureum G. L. Stebbins Jr. 1948-5-9 3937 Napa 8 mi. s. Monicello (on rd. to Napa, w. side of Steel Canyon); Steel Canyon 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
  OBI8852  Lomatium nudicaule Willis L. Jepson 1893-6-14 14316 Napa Near Napa City; Road to Napa Soda Springs near Geualon Miller's Comment
  CAS-BOT-BC217804  Lomatium repostum Lincoln Constance; J. F. Davidson; W. H. Wagner; R. H. Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena, near the old inn. Comment
  JEPS104550  Lomatium repostum Jake Ruygt 1991-4-20 2626 Napa Friesen's Lakes, near Deer lake 597 Comment
  OBI55128  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena, near the old inn. 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
  SEINET196136  Lomatium repostum Lincoln Constance, JF Davidson WH. Wagner; RH Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint 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
  UCD148112  Lomatium repostum Jake Ruygt 1979-5-6 584 Napa Mt. St. Helena. 792 Comment
  UCD163604  Lomatium repostum G. Ledyard Stebbins 1971-5-2 8006 Napa Northeast of Napa. Ranch of Giles Mead, along Atlas Mountain [Peak] road. (Exact location unknown. Coordinates estimated by label maker as near Mead Ranch Vineyards.) 487 Comment
  CDA11321  Lomatium utriculatum G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12027 Napa at entrance gate, UC Quail Ridge Reserve Comment
  UCD170217  Lomatium utriculatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 740 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  UCD48441  Lomatium utriculatum Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Bay trail, near end of lake inlet. 146 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
  UC663017  Lomatium utriculatum Basil Bowers 1941-6-18 381 Napa e. Calistoga (near summit of old mines rd., Palisades); Palisades 762 Comment
  CAS-BOT-BC240564  Lonicera hispidula Peter H. Raven 1964-5-9 19065 Napa 2 miles west of Aetna Springs Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  JEPS106726  Lonicera hispidula var. vacillans Jake Ruygt 1989-6-3 2355 Napa Monticello Rd. wset of Snow Flat; above Sarco Cr. 237 Comment
  SEINET5501037 Image available Lonicera interrupta Sally Walker 1981-5-18 Napa 3.6 mi S of middletown, Napa Co. Comment
  JEPS85044  Lotus Larry Heckard and Mary Ashton 1969-5-3 2190 Napa ca 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd) 457 Comment
  JEPS55525  Lotus humistratus A. M. Ottley 1921-5-6 1338 Napa between Santa Rosa and Calistoga; Hoods Peak Range Comment
  CDA31869  Lotus micranthus D. G. Kelch 2001-3-18 1 .018 Napa Soda Canyon Road. Comment
  RSA10665  Lotus micranthus Carl B. Wolf 1928-5-3 1824 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS19439  Lotus micranthus Willis L. Jepson 1893-4-24 13787 Napa Howell Mt. grade Napa River Basin Comment
  UC15636  Lotus micranthus Willis L. Jepson Apr 1893 Napa near St. Helena; Napa River Basin Comment
  UC1129135  Lotus scoparius A. Lewis 1932-5-1 103 Napa Sarco Creek Napa Quad. 243 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
  JEPS64887  Lotus scoparius W. L. Jepson 1934-10-19 16902 Napa St. Helena Comment
  UCD167267  Ludwigia palustris Jake Ruygt 1992-6-2 3015 Napa Leoma Lakes, Wild Horse Valley Ranch. 402 Comment
  SEINET5327608  Lupinus albicaulis C. M. Fryer 1948-5-1 14 Napa 14 miles north of Monticello. Comment
  CDA950  Lupinus albifrons D. G. Kelch 2002-4-1 2 .009 Napa Mt. Veeder Rd. Comment
  HSC43951  Lupinus albifrons Robert M. Specht 1977-4-13 1600 Napa South-facing slope 488 Comment
  JEPS29589  Lupinus albifrons Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8446 Napa along Atlas Peak Road 8.6 mi n Vichy Springs junction (on Calif. 37); along Atlas Peak Road, n of Vichy Springs jct 548 Comment
  JEPS64926  Lupinus albifrons Willis L. Jepson 1896-2-22 35 t Napa New Eden Napa River Basin, Howell Mt. (Howell Mt.) Comment
  JEPS64975  Lupinus bicolor W. L. Jepson 1915-4-23 6265 Napa Chiles Creek hills Conn Valley, Chiles Creek hills Comment
  UCD148792  Lupinus bicolor Ellen Dean; Diana Hickson 2014-4-29 8100 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  POM160869  Lupinus bicolor subsp. umbellatus J. G. Lemmon 1889-04 s.n. Napa Calistoga. Comment
  RSA15124  Lupinus densiflorus var. densiflorus J. T. Howell 1935-5-12 12625 Napa Along Pope Creek near its confluence with Putah Creek. Comment
  UCD73495  Lupinus formosus Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC865161  Lupinus formosus Lewis S. Rose 1935-9-12 35651 Napa 2 mi nw Napa; nw of Napa 60 Comment
  UC15863  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  UC15892  Lupinus latifolius var. latifolius W. L. Jepson June 1891 Napa Vaca Mts. Comment
  UCD47987  Lupinus microcarpus L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 17 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of the dirt road. 390 Comment
  JEPS107217  Lupinus microcarpus var. densiflorus Jake Ruygt 1989-5-24 2348 Napa Fagan Creek at South Kelly Rd. 21 Comment
  JEPS107220  Lupinus microcarpus var. densiflorus Jake Ruygt 1979-5-16 604 Napa 8.4 miles east of Monticello Rd. on HWY 128 152 Comment
  UC577241  Lupinus microcarpus var. densiflorus John Thomas Howell 1935-5-12 12625 Napa along Pope Creek near its confluence with Putah Creek; Pope Creek near its confluence with Putah Creek Comment
  CHSC84571  Lupinus nanus John Dittes 2003-4-5 2003 -14 Napa Inner North Coast Range; approximately 6.0 air-miles north of Calistoga, west of confluence of St. Helena and Van Ness Creeks, approximately 0.7 air-mile south of the Lake County Line; on slope below State Hwy 29. 475 Comment
  UC1129655  Lupinus nanus A. E. Wieslander 1934-2-25 369 Napa 3 mi n Calistoga (Calistoga--Middletown); Calistoga quad. Comment
  UC150120  Lupinus nanus H. P. Chandler 1907-4-16 7516 Napa St. Helena Comment
  UC81976  Lupinus nanus C. F. Baker 1903-4-19 1990 Napa Calistoga Comment
  UCD164863  Lupinus nanus Jake Ruygt 2012-4-16 5816 -d Napa South half of Spanish Valley. 237 Comment
  POM66227  Lupinus nanus subsp. nanus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC202220  Lupinus sericatus Charles Piper Smith 1948-6-3 48312 Napa Highway 29 - Stevenson Place, 1.1 miles north Comment
  CAS-BOT-BC202223  Lupinus sericatus Charles Piper Smith 1932-5-15 4658 Napa St. Helena Inn, highway 29 Comment
  CAS-BOT-BC202231  Lupinus sericatus A. A. Heller 1949-5-6 15586 Napa East side of Mt. St. Helena just below the crossing of State Highway #29 Comment
  JEPS107243  Lupinus succulentus Jake Ruygt 1982-5-8 1227 Napa American Canyon .7 miles east of Flosden Road 54 Comment
  UCD47982  Lupinus succulentus A. Miles; E. Anderson, L. Lina, J. Waggoner, R. Wenk 2000-4-22 18 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of dirt road. 390 Comment
  RSA15625  Lupinus vallicola subsp. apricus Carl B. Wolf 1928-2-25 1481 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS120343  Lythrum californicum Jake Ruygt 2000-6-10 4275 Napa Adams Creek. Walter Springs 7.5' Quad. Comment
  CAS-BOT-BC343828  Madia elegans Peter H. Raven 1951-8-19 3853 Napa Near Lokoya 487 Comment
  UCD161749  Madia elegans Jake Ruygt 1995-6-5 3489 Napa about 2 miles south of Lake Hennessey on private road (Taylor). 408 Comment
  JEPS129025  Madia elegans subsp. densifolia Jake Ruygt 2016-7-23 6292 Napa Smittle Creek, west side of Lake Berryessa. Chiles VAlley 7.5' Quad. Comment
  POM225540  Madia elegans subsp. elegans Kate Eastwood Phelps 1932-09 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC344443  Madia exigua R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6661 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  CDA31290  Madia exigua D. G. Kelch 2010-5-6 10 .181 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS38329  Madia exigua W. L. Jepson 1938-5-22 18828 Napa Snell Valley Comment
  UC165024  Madia exigua J. P. Tracy 1902-5-16 1492 Napa 3 to 4 mi e Angwins (Head of Moores Creek); Howell Mountain 457 Comment
  JEPS38330  Madia exigua W. L. Jepson 1938-5-18 18794 Napa slope above St. Helen Sanitarium; Howell Mts. Comment
  POM231110  Madia exigua Jens Clausen 1935-5-22 1070 Napa Ca. 1 mile east of Chiles Valley Store Comment
  UC584054  Madia exigua J. Clausen 1935-5-22 1070 Napa ca 1 mi e Chiles Valley Store Comment
  JEPS40218  Madia gracilis W. L. Jepson 1893-5-8 Napa New Eden Howell Mt. Comment
  JEPS40379  Madia gracilis W. L. Jepson 1938-5-24 18852 Napa Howell Mts. Napa Range 762 Comment
  CAS-BOT-BC343192  Madia gracilis Bruce G. Baldwin 1986-4-28 601 Napa 3.3 miles west of junction with Lower Chiles Valley Road along California State Highway 128 Comment
  CAS-BOT-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  CAS-BOT-BC343205  Madia gracilis H. M. Hall 1931-5-26 13088 Napa Napa Range, west side Comment
  JEPS40330  Madia gracilis Willis L. Jepson 1894-5-1 Napa e of St. Helena; Napa River Basin Comment
  RSA10680  Madia madioides C. B. Wolf 1928-5-3 1807 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SEINET11807294  Madia nutans F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -296 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC345052  Madia sativa David D. Keck 1933-11-10 2717 Napa Calistoga Comment
  JEPS106637  Madia sativa Jake Ruygt 1987-5-27 2016 Napa Dept. of Fish and Game, Huichica Cr.prop erty near Buchli 2 Comment
  CAS-BOT-BC345048  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  JEPS36797  Malacothrix clevelandii W. L. Jepson 1938-5-25 18865 Napa Bell Canyon, Napa Range, Howell Mt. Comment
  UC33286  Malacothrix floccifera Edw. L. Greene July, 1891 Napa St. Helena Comment
  UCD134397  Malacothrix floccifera B. Wengeler 1995-4-30 s.n. Napa 0.2 mile north of Hwy 128 along Knoxville Road. 183 Comment
  JEPS122762  Malva sylvestris Jake Ruygt 2010-3-4 5476 Napa Highway 29 near Napa Junction Road. Quad: Cuttings Wharf. Comment
  UCD167284  Malvella leprosa Jake Ruygt 1979-7-12 744 Napa Sheehy Creek west of Highway 29. 10 Comment
  UC504872  Marah fabacea R. M. Holman 1933-4-12 Napa near Mt. Veeder Comment
  UC979351  Marah oregana Roxana S. Ferris 1951-3-26 12420 Napa about 2 mi from Oakville (Oakville-Glen Ellen Road) Comment
  RSA10654  Marah oregana C. B. Wolf 1928-5-3 1835 Napa Summit of Mount St. Helena Grade, north of Calistoga. 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
  JEPS120398  Marah watsonii Jake Ruygt 1982-3-16 1128 Napa Capell Valley north of Monticello Road Comment
  UCD48970  Medicago polymorpha C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 13 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Road and Decker Bay Trail. Approx. 90 ft. NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  CAS-BOT-BC269414  Melica californica Betty H. Johnson 1958-6-20 653 Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  CAS-BOT-BC269416  Melica californica California Academy of Sciences 1870-5-1 s.n. Napa Oakville Comment
  HSC43991  Melica californica Robert M. Specht 1977-4-19 686 Napa Above drainage running NE from Adams Creek. 518 Comment
  SACT001487  Melica californica John Willoughby 1977-4-27 Napa Along state highway 128 very near dam, north-facing rocky slope on south side of highway. Comment
  UCD160734  Melica californica Ellen Dean 2015-5-23 8786 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD41416  Melica californica Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 129 Napa California, Napa County, McLaughlin UC Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, side of road. 487 Comment
  UCD86929  Melica californica Beecher Crampton 1962-5-16 6438 Napa Napa county. 0.5 mile east Chiles Valley School, along state Hwy. 128. Comment
  CAS-BOT-BC282168  Melica geyeri Peter H. Raven 1952-8-26 5154 Napa Lokoya 487 Comment
  UC1112206  Melica geyeri Peter H. Raven 1957-5-5 10757 Napa hills at w edge Calistoga Comment
  SEINET11687429  Melica geyeri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -310 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UC766850  Melica harfordii R. F. Hoover 1941-5-10 5013 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC264221  Melica torreyana David D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC264224  Melica torreyana John Thomas Howell 1939-4-30 14632 Napa Walter Springs Comment
  POM182793  Melica torreyana D. D. Keck 1931-4-2 1034 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  UCD144799  Melica torreyana E. Dean; w/ PLB 102 class 2002-5-4 1016 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
  UCD89107  Melica torreyana J. Lenz 1947-4-18 s.n. Napa Eastern Napa County. Child's Valley. Comment
  UC2061507  Melissa officinalis Dean G. Kelch 2016-7-9 16 .153 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  RSA769187  Mentha X piperita L. Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 air miles west of Winters 135 Comment
  JEPS120371  Mentha alopecuroides Jake Ruygt 1989-9-25 2408 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  RSA719705  Mentzelia laevicaulis Michael A. Vincent, K. Levings 2006-7-29 12925 Napa At pull-off along Interstate 80 westbound. Comment
  UCR44909  Mentzelia laevicaulis L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  UCD102815  Micranthes californica P. B. Kaufman 1950-4-1 20 Napa Vaca Mountain range, Putah Canyon. 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
  CAS-BOT-BC348548  Micropus californicus var. californicus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD148820  Micropus californicus var. californicus Ellen Dean; Diana Hickson 2014-4-29 8126 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD18059  Micropus californicus var. californicus Ellen Dean; with Plant Biology 102 class 2000-4-22 614 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
  RSA695589  Micropus californicus var. californicus Keith E. Hoffmaster 1939-4-6 912 Napa Putah Canyon, Coast Range Comment
  UC164799  Micropus californicus var. californicus Joseph P. Tracy 1902-5-14 1442 Napa near St. Helena; Northern Coast Ranges, Howell Mt. Grade 304 Comment
  UC581134  Micropus californicus var. californicus H. L. Mason 1934-4-30 8103 Napa w side Wooden Valley Grade (near summit) Comment
  UCD134515  Micropus californicus var. californicus M. R. Wanzer 1948-4-3 6 Napa west side of small hill, Putah Canyon, 13 miles west of Winters. 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
  JEPS106891  Microseris douglasii subsp. tenella Jake Ruygt 1995-5-1 3462 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  CDA11431  Mimulus angustatus G. F. Hrusa, M. Tu 1995-5-6 12154 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  SEINET200724  Mimulus angustatus J. P. Tracy 1902-5-21 1610 Napa Howell Mt head of Moore's Cr 3-4 mi E of Angwin's; La Jota Plateau 518 Comment
  UCD13200  Mimulus aurantiacus Charles Martin 1986-4-20 1 Napa 3 mi W of Monticello Dam along hwy 128. 304 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
  UCD70475  Mimulus aurantiacus P. J. Plummer 1995-5-27 s.n. Napa West of city of Winters, off hwy 128. 335 Comment
  NY90685  Mimulus bakeri C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena. Comment
  RSA0006036  Mimulus bakeri C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena. Comment
  JEPS110583  Mimulus congdonii Jake Ruygt 1990-4-1 2449 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  CDA15441  Mimulus guttatus Rachel Curtis 1995-5-6 14 Napa Approx. 7.0 mi. E of Silverado Trail Rd. Comment
  SEINET12811554  Mimulus guttatus Christopher T. Ivey 2003-1 363 Napa Population occurred along stream margin in the Snell Valley Nature Preserve, 2.2 mi E of Pope Valley Road on Snell Valley Road. 192 Comment
  POM5067  Mimulus guttatus C. F. Baker 1903-4-19 1980 Napa Calistoga. Comment
  UCD167999  Mimulus kelloggii James A. Neilson Jr. 1977-4-13 3866 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD160767  Mimulus latidens Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8637 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  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
  UC147882  Mimulus layneae J. P. Tracy 1902-5-19 1544 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 426 Comment
  UC1778560 Image available Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine; lat corrected from 35 655 Comment
  JEPS11440  Mimulus microphyllus W. L. Jepson 1893-4-28 73 m Napa n Mt. George (on Wooden Valley grade); Napa Range Comment
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Aug 5 2008
  JEPS85027  Mimulus microphyllus Larry Heckard, Mary Ashton 1969-5-3 2212 Napa ca. 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd., above and w of meadow) 510 Comment
  UCD122707  Mimulus nasutus L. P. Thibault 1995-5-21 52 Napa along Wragg Creek north side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  JEPS11352  Mimulus nasutus Willis L. Jepson 1893-5-1 6 m Napa w Calistoga; Napa River Basin Comment
  UC725781  Mimulus nasutus A. A. Heller 1940-4-22 15545 Napa Knight's Valley Comment
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Jun 25 2013
  UCD96135  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-7 820 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  JEPS110595  Mimulus pilosus Jake Ruygt 1998-8-29 4110 Napa Berryessa-Knoville Road, Eticuera Creek 268 Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 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
  UCD161643  Minuartia douglasii Jake Ruygt 2005-5-11 4839 Napa south of Bear Valley. (Coordinates converted from UTM data by label maker.) 655 Comment
  UCD170362  Minuartia douglasii Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 860 Napa Knoxville Wildlife Area, west of Nevada Creek. 422 Comment
  JEPS84704  Minuartia douglasii John W. Willoughby 1977-4-20 2140 Napa below and just to s of Mount Vaca (w side of ridge); Vaca Mountains, Blue Ridge 457 Comment
  CDA34679  Mollugo verticillata L. Ahart 2009-10-27 16499 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  CHSC74679  Monardella douglasii Jane Valerius 1998-6-22 Napa Ca 4 air mi NE of Vallejo and ca 1.5 mi W of Hwy 80, along banks and at top of unnnamed S-trending tributary to American Canyon Creek. 76 Comment
  JEPS110817  Monardella douglasii Jake Ruygt 1981-5-27 1048 Napa American Canyon, .4 miles east of Flosden Rd. 152 Comment
  CAS-BOT-BC220620  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  JEPS110829  Monardella villosa subsp. villosa Jake Ruygt 1979-6-9 680 Napa 11.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 234 Comment
  UCD73435  Monardella viridis 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
  SEINET10582243  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 372 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  JEPS34925  Monolopia major C. F. Sonne Apr. 1888 Napa fields near Napa Junction Comment
  UCD23397  Montia perfoliata Julia Knorr 1977-4-16 5 Napa White and purple flowers. Foothill woodland, N facing slope, full shade. 6.4 miles W from Monticello Dam on Highway 128. Comment
  UC1151681  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa hills above Capell Creek (n end of valley); Capell Valley Comment
  SEINET4671914  Muhlenbergia andina B. Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  UCD159947  Nassella lepida 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
  UCD81833  Nassella lepida Ellen Dean 2009-4-24 5463 Napa Property at 600 Petrified Forest Road. 170 Comment
  CAS-BOT-BC260181  Nassella pulchra Doris K. Kildale 1928-5-8 5054 Napa 0.5 mile from Napa-Solano County line, on road to Vacaville Comment
  CAS-BOT-BC60337  Nasturtium officinale Doris K. Kildale 1928-5-8 5053 Napa 0.5 mile from Napa-Solano county line. On road to Vacaville. Comment
  JEPS120369  Navarretia atractyloides Joe Callizo 2005-6-4 4896 b Napa Between en of Pocock Creek Road and Putah Creek/Hunting Creek Confluence. Jericho Valley 7.5' Quad. Comment
  HSC58998  Navarretia cotulifolia Tim Excell 1975-5-21 119 Napa Near Pope Creek, close to the town of Pope Valley 183 Comment
  RSA73730  Navarretia cotulifolia J. T. Howell 1939-4-30 14626 Napa Walter Springs. Comment
  SEINET196212  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa Tributary of Putah Creek, Pope Valley Comment
  UC963914  Navarretia divaricata subsp. vividior Milo S. Baker 1947-7-7 11854 Napa s of Mt. St. Helena Inn (rd leading towards the Crater) 914 Comment
  UCD167175  Navarretia divaricata subsp. vividior Jake Ruygt 2006-7-3 5066 Napa Mead Ranch on 'Old Wagon' trail. 472 Comment
  JEPS120360  Navarretia heterandra Jake Ruygt 2006-5-16 5026 Napa Lower Anderson Creek Canyon near Berryessa Valley. Brooks 7.5' Quad. Comment
  UCD167176  Navarretia heterandra Jake Ruygt 2006-6-13 5054 Napa At the mouth of Harris Canyon, east of Lake Berryessa. 173 Comment
  UCD48411  Navarretia heterodoxa Heidi E. M. Dobson 1978-6-29 346 Napa California, Napa County: East slope of Mt. Veeder. Comment
  UC23652  Navarretia intertexta Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD160681  Navarretia intertexta Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8753 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
  JEPS70326  Navarretia intertexta Willis L. Jepson 1894-7-19 15007 Napa above Calistoga; Napa River Basin, Upper Napa Valley 228 Comment
  JEPS112534  Navarretia intertexta subsp. intertexta Jake Ruygt 1980-6-21 932 Napa Bear Valley 621 Comment
  JEPS120320  Navarretia intertexta subsp. intertexta Jake Ruygt 2006-6-11 5049 Napa Southwest part of Walnut Flat, near Wildlake. Saint Helena 7.5' Quad. Comment
  JEPS116994  Navarretia intertexta subsp. intertexta David Gowen 2008-5-14 911 Napa South side of Snell Rd. ca. 200 feet east of junction with Butts Canyon Rd. Comment
  UC142968  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UCD48416  Navarretia jepsonii Mrs. K. Brandegee 1910-7-26 148 Napa Near Aetna Springs, Napa County, in depression in clay soil. Comment
  JEPS120359  Navarretia leucocephala subsp. leucocephala Jake Ruygt 1978-5-14 306 Napa 0.3 miles south of Oak Knoll Ave. on Silverado Trail. Napa 7.5' Quad. Comment
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  JEPS110949  Navarretia pubescens Jake Ruygt 1977-5-1 209 Napa east end of Westgate Dr. 115 Comment
  JEPS112540  Navarretia pubescens Jake Ruygt 1998-6-29 4067 Napa About 4.7 miles north of first bridge on Berryessa-Knox. Rd 441 Comment
  UC1051755  Navarretia pubescens Helen K. Sharsmith 1953-6-15 4184 Napa se slope Capell Valley (just w of junction of Capell Valley and Monticello roads); Inner North Coast Ranges, Capell Valley 274 Comment
  UCD170457  Navarretia pubescens Daniel Potter; Ninh Khuu 2016-6-8 886 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UCD59449  Navarretia pubescens P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  JEPS70416  Navarretia pubescens Willis L. Jepson 1892-7-28 20964 Napa near Knoxville (ne Napa Co.); Mountain Region of Clear Lake Comment
  RSA73123  Navarretia pubescens M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  RSA91872  Navarretia pubescens Beecher Crampton 1953-5-19 1309 Napa Oak woodland area, grassy flat, 4 miles south if Monticello, state Hwy, 128. Comment
  UC1221750  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Martley Canyon Vaca Mountains (along State Hwy 128) Comment
  UC23831  Navarretia squarrosa Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  JEPS70465  Navarretia squarrosa Willis L. Jepson 1903-9-7 2353 Napa w of St. Helena (above St. Helena Reservoir); Napa River Basin, York Creek Comment
  JEPS123176  Navarretia subuligera David Gowen with Leigh Johnson 2009-5-30 1037 Napa Robert Louis Stevenson State Park, south of Table Rock area. Comment
  SEINET196694  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Tributary of Putah Creek, Pope Valley. Comment
  UCD48635  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Talus soil along road, tributary of Putah Creek, Pope Valley, Napa County, California. Comment
  UCD167202  Navarretia tagetina Jake Ruygt 2002-6-10 4434 Napa End of Soda Canyon Road, north end of Foss Valley. 445 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
  JEPS129026  Nemacladus montanus Jake Ruygt 2016-5-7 6241 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  SEINET10873472  Nemacladus montanus Jussell 1920-5-4 JUSSELL s.n. Napa Napa 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
  SEINET3156475  Nemophila divaricata L. S. Rose 1939-4-16 39087 Napa 10 miles NE of Napa, Wooden Valley Comment
  RSA60779  Nemophila heterophylla L. R. Abrams 1928-5-3 12235 Napa Summit St. Helena Grade Comment
  UCD13125  Nemophila heterophylla Kathleen Worden 1981-4-28 2 Napa Napa CO. On highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. 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
  UCD49091  Nemophila heterophylla S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 26 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
  CDA40365  Nemophila heterophylla T. C. Fuller 1958-5-1 3715 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  UCD120003  Nemophila heterophylla D. H. Hartmann 1942-3-7 s.n. Napa In meadow of Green Valley. Comment
  JEPS85033  Nemophila menziesii Larry Heckard and Mary Ashton 1969-5-3 2205 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 Comment
  UC545848  Nemophila menziesii E. Crum 1936-3-15 1737 Napa Chiles Valley Road 3.2 mi from Pope Valley Store; Chiles Valley Road <nr> Pope Valley Store Comment
  UCD23406  Nemophila menziesii Fumi Takeda 1977-4-4 1 Napa Flower blue but fades when mature. Highway 128, 6.4 miles southwest of Monticello Dam. Open foothill woodland. Moist, coarse clay soil. 182 Comment
  UCD166682  Nemophila menziesii var. atomaria Jake Ruygt 1977-3-14 153 Napa Soda Canyon Road, 2.2 miles north of Silverado Trail. 137 Comment
  CDA12056  Nemophila menziesii var. menziesii G. F. Hrusa, J. Messina 1989-3-3 5887 Napa North Coast Biodiversity Arena; Along Hwy 128 approx. 2 miles W of Monticello Dam (Lake Berryessa). Comment
  RSA10643  Nemophila menziesii var. menziesii Carl B. Wolf 1928-5-3 1847 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC219385  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  UCD166685  Nemophila pedunculata Jake Ruygt 1982-3-3 1116 Napa Long Canyon, about 0.3 mile E of Berryessa-Knoxville Rd. 327 Comment
  CHSC102523  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC1196160  Nicotiana acuminata var. multiflora Joseph P. Tracy 1899-7-10 404 Napa 3 to 4 mi e Angwin's (La Jota Plateau, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  POM180778  Nicotiana bigelovii J. T. Howell 1930-9-19 5601 Napa Conn Creek near entrance of Sage Canyon, Napa Valley. Comment
  UC419705  Nicotiana quadrivalvis Mrs. H. P. Bracelin 1930-10-19 112 Napa near Conn Creek entrance (Sage Canyon); Sage Canyon Comment
  UCD110200  Notholithocarpus densiflorus D. Sanchez-Mata 1996-6-22 s.n. Napa Pope Valley-Napa Valley. 520 Comment
  JEPS129065  Nymphaea odorata Jake Ruygt 1991-7-20 2778 Napa Doe Lake, Friesen's Lakes, Angwin. Saint Helena 7.5' Quad. Comment
  UC672086  Odontostomum hartwegii Herbert L. Mason 1934-4-30 8102 Napa w. side near summit Wooden Valley Grade Comment
  JEPS104517  Oenanthe sarmentosa Jake Ruygt 1981-7-20 1069 Napa Fagan's Marsh 1 Comment
  UC1197138  Oenanthe sarmentosa Joseph P. Tracy 1938-8-7 16094 Napa Yountville 30 Comment
  UCD168001  Orobanche James A. Neilson Jr. 1977-4-13 3868 Napa Oat Hill Mine Rd. (Exact location unknown, coordinates estimated by label maker.The collections before this were north of Sugarloaf Mt., and collections after this were near Maple Springs) Comment
  RSA0066529  Orobanche fasciculata Gilbert Muth 1967-5-17 688 Napa Maple Springs. 609 Comment
  UCD167258  Orobanche uniflora Jake Ruygt 1998-4-18 3926 b Napa Blue Ridge about 1 mile north of Mays Flat. 701 Comment
  JEPS80612  Orobanche valida subsp. howellii Glenn Clifton 1981-1-1 7863 Napa Devilhead Creek Knoxville Quad., Devilhead Creek Comment
  CAS-BOT-BC238389  Orthocarpus C. F. B. 1903-5-8 2965 Napa Knoxville Comment
  RSA10689  Orthocarpus attenuatus Carl B. Wolf 1928-5-3 1798 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA101987  Orthocarpus lithospermoides Frank W. Johnson 1890-5-27 260 Napa Napa Valley. Comment
  RSA402038A  Orthocarpus lithospermoides Robert Gustafson, Don Reynolds 1983-6-7 2743 Napa Snell Valley Road, about 1 mile northeast from the jct of Butts Canyon Rd. Comment
  POM15660  Orthocarpus lithospermoides var. bicolor C. F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  UCD120790  Osmorhiza berteroi Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7330 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  JEPS85029  Osmorhiza berteroi Larry Heckard and Mary Ashton 1969-5-3 2210 Napa off Atlas Peak Rd ca 7 mi ne Napa; Mead Ranch 457 Comment
  UC1177078  Oxalis articulata subsp. rubra Peter H. Raven 1951-5-6 2832 Napa St. Helena 91 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
  JEPS106860  Packera eurycephala var. eurycephala Jake Ruygt 1998-5-30 4008 Napa Mt. St. Helena fire trail about 3/4 mile from RLS cabin trail. 883 Comment
  UC131781  Packera eurycephala var. eurycephala C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  UC767457  Packera eurycephala var. eurycephala R. F. Hoover 1941-4-26 4911 Napa below Monticello; Putah Creek Canyon Comment
  UC912545  Packera eurycephala var. eurycephala Herbert L. Mason 1934-4-30 8107 Napa 7 mi above Monticello; Pope Canyon Comment
  CAS-BOT-BC316942  Packera greenei Beecher Crampton 1957-6-4 4098 Napa above Capell Creek, north end of Capell Valley Comment
  JEPS106859  Packera greenei Jake Ruygt 1996-6-1 3734 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 377 Comment
  UC1023570  Panicum capillare Virginia Bufford 1936-9-20 436 Napa near Mineral Spring (Lower Lake, Knoxville Road); Lower Lake, Mineral Spring Comment
  UCD33483  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa Napa County, ca. 3 miles north of Moskowite Corner on Hwy. 128. Comment
  UCD18370  Parentucellia viscosa R. Wenk 2000-5-14 8 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  JEPS106391  Parvisedum pumilum Jake Ruygt 1977-5-1 201 Napa east end of Westgate Drive, Silverado Country Club 121 Comment
  UC11240  Parvisedum pumilum Willis L. Jepson 1893-4-28 Napa near Napa City (Napa River Basin); Napa River Basin Comment
  UC191203  Parvisedum pumilum C. F. Sonne 1895-4-1 Napa Hill at Soda Springs Soda Springs Comment
  UC205215  Parvisedum pumilum H. P. Chandler 1907-5-5 7557 Napa roadside near Yountville Comment
  UC540616  Parvisedum pumilum H. L. Mason 1935-5-31 Napa 3 mi s of Napa (near highway) 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
  UCSB19025  Pedicularis densiflora Rankine, Jane 1965-4-13 Napa 3 miles W of Pope Valley on road between Pope Valley and Anqwin Comment
  RSA10634  Pedicularis densiflora Carl B. Wolf 1928-5-4 1856 Napa Upper slopes of Mount St. Helena. Comment
  UC27314  Pedicularis densiflora Willis L. Jepson 1893-4-25 Napa trail to Leaux's Cabin; Napa River Basin Comment
  UCD67968  Pedicularis densiflora D. Levine 1974-4-6 47 Napa Headwaters of Wragg creek, 4 miles from junction 121 on highway 128. 304 Comment
  HSC43956  Pellaea andromedifolia Robert M. Specht 1977-4-19 698 Napa Above drainage running NE from Adams Cr. (site 163) 497 Comment
  UCD48364  Pellaea andromedifolia M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 13 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines on lower road. 274 Comment
  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
  UC197944  Pellaea andromedifolia C. F. Sonne Apr. 1885 Napa Soda Springs Comment
  CAS-BOT-BC71385  Pellaea mucronata Peter H. Raven 1950-4-15 1739 Napa Wooden Valley Grade above Napa 609 Comment
  CAS-BOT-BC71384  Pellaea mucronata Peter H. Raven 1954-1-22 6387 Napa Soda Springs Canyon just north of the Resort 213 Comment
  JEPS129056  Pellaea mucronata var. mucronata Jake Ruygt 2016-12-3 6298 Napa Butts Canyon southwest of Snell Peak. Aetna Springs 7.5' Quad. Comment
  JEPS79512  Pellaea mucronata var. mucronata Edward Lee with Annetta Carter 1935-12-1 1671 Napa road from Napa to Wooden valley (Sarco Creek); Howell Mts Comment
  NY601784  Penstemon heterophyllus var. purdyi H. T. Edwards 09 1875 s.n. Napa St. Helena Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  RSA420432  Penstemon newberryi var. sonomensis Joseph A. Ewan 1937-5-23 10334 Napa Summit trail of Mount St. Helena Comment
  UCD164744  Penstemon newberryi var. sonomensis Jake Ruygt 2014-6-7 5979 Napa Ranch, Montesol. 832 Comment
  UC35614  Pentachaeta exilis Willis L. Jepson 1893-5-8 Napa Howell Mt. Napa River Basin Comment
  CDA11621  Pentagramma triangularis G. F. Hrusa, G. L. Stebbins 1994-3-11 11595 Napa North Coast Biodiversity Arena; Las Posadas State Forest. E of Fire Station in upper drainage of Moore Creek. Comment
  UCD137752  Pentagramma triangularis Katherine Pinney 1975-4-15 32 Napa Wragg Canyon, 2.5 miles east of Wragg Canyon Road on Highway 128. 259 Comment
  JEPS12398  Perideridia oregana W. L. Jepson 1894-10-13 14808 Napa Upper Conn Valley Napa Range Comment
  JEPS129109  Perideridia oregana Jake Ruygt 2015-6-13 6128 Napa Fernandes - Snell Peak, Land Trust. Aetna Springs 7.5' Quad. Comment
  CAS-BOT-BC419302  Persicaria punctata Peter H. Raven 1951-6-26 3041 Napa Napa to Wooden Valley Grade 60 Comment
  UC917309  Petrorhagia dubia R. L. Smith 1948-5-8 Napa 6 mi N of Aetna Springs, Pope Valley Comment
  UC24391  Phacelia Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs Napa River Basin Comment
  POM65431  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena. 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
  JEPS2346  Phacelia divaricata W. L. Jepson 1893-5-2 21020 Napa Pope Valley grade from Calistoga Napa Valley (that is, in Napa Range e of Calistoga) Comment
  UC723839  Phacelia imbricata Joseph Andorfer Ewan 1934-4-30 8848 Napa on Steel Canyon rd 5 mi s Monticello Comment
  UC735110  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3047 Napa near Mount St. Helena Inn (se slope of mt.); Mount St. Helena Comment
  JEPS2167  Phacelia imbricata subsp. imbricata W. L. Jepson 1897-5-2 21049 Napa e St. Helena Comment
  JEPS68361  Phacelia suaveolens L. R. Heckard 1972-6-26 2995 Napa se lookout (rocky flat near radar station); Mt. St. Helena 1219 Comment
  UCD48042  Phacelia tanacetifolia A. Laffin; A. Randall, S. Holck 2002-4-13 2 Napa Napa Co, McLaughlin UC Reserve, north of Knoxville-Berryessa Road, just west of turn-off to old town of Knoxville. Ca. 0.2 airline mile up slope of road, in calcium seep. 431 Comment
  UCD120738  Phacelia tanacetifolia Marshall R. Wanzer 1948-4-3 9 Napa Putah Canyon, 11 miles west of Winters. Comment
  CAS-BOT-BC258828  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa In Napa Valley, near Calistoga 91 Comment
  POM126107  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  SACT001715  Phalaris minor M. Wiesendanger 1927-5-4 Napa Comment
  SACT001723  Phalaris paradoxa M. Wiesendanger 1927-5-4 Napa Comment
  JEPS40268  Phoradendron densum Lauramay T. Dempster 1965-5-16 4095 Napa rd. below Cedar Valley toward KNoxville 426 Comment
  UCD48243  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC McLaughlin Nature Reserve. 650 Comment
  SEINET12320621  Phyla nodiflora C. W. Tilforth, Dourley, J. 1979-1 1858 Napa 0.4 MI S of Park Headquarters, W side of Lake Berryesa 137 Comment
  JEPS65570  Pickeringia montana var. montana W. L. Jepson 1938-5-25 18859 a Napa Bell Canyon Howell Mt. 579 Comment
  RSA412034  Pickeringia montana var. montana Bonnie C. Templeton 1957-6-27 76 H371B Napa About 3 miles up Trinity Road near the junction to Oakville. Comment
  UC1129867  Pickeringia montana var. montana A. E. Wieslander 1931-5-11 182 Napa n slope of mt. n Calistoga; Calistoga Quadrangle, Mt. St. Helena 731 Comment
Read comments
Aug 15 2010
  UC17044  Pickeringia montana var. montana W. H. Brewer July 1862 1313 Napa hills near Rockville Comment
  UCD117788  Pickeringia montana var. montana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, south of undeveloped road. 391 Comment
  CAS-BOT-BC73373  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa Along forest road about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  RSA15670  Pinus attenuata C. B. Wolf 1928-2-25 1501 Napa Mt. St. Helena 1 mile beyond summit on road to Middletown. Comment
  SD136373  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  SEINET12527538  Pinus ponderosa var. ponderosa D. A. Charlet, Dene Charlet 2005-1-1 2861 Napa Robert Lois Stevenson State Park, Saint Helena Creek drainage, Mayacmas Mountains; west side of highway near trailhead, w 600 Comment
  SEINET11740444  Pinus sabiniana F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-5-19 86 -327 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD89669  Piptatherum miliaceum Beecher Crampton 1964-10-8 7217 Napa Napa County; north end Capell Valley, slopes above Capell Creek, State Hwy. 128. Comment
  CAS-BOT-BC228012  Plagiobothrys L. R. Abrams 1928-5-3 $ 12229 Napa St. Helena Grade Comment
  OBI20586  Plagiobothrys bracteatus Joseph P. Tracy 1950-5-23 18675 Napa Howell Mtn. On Jota Plateau at head of Moore's Crk, 3 mi E of Angwin's Comment
  RSA170255  Plagiobothrys bracteatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore s Creek, 3 miles east of Angwin s 518 Comment
  HSC81992  Plagiobothrys cognatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5155 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  SD58506  Plagiobothrys cognatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore's Creek. 518 Comment
  SEINET7063153  Plagiobothrys fulvus A. G. Vestal 1963-4-7 s.n. Napa East-facing slope about 3.8 miles north of Saint Helena on the Silverado Trail. UTM Zone 10, 543982mE, 4266952mN. (WGS84/NAD83). 98 Comment
  UCD74377  Plagiobothrys fulvus var. campestris Jake Ruygt 1983-4-8 1413 Napa South side of Hwy. 12 at Sonoma Co. line. 88 Comment
  JEPS106765  Plagiobothrys nothofulvus Jake Ruygt 1990-4-1 2456 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  JEPS68065  Plagiobothrys nothofulvus Willis L. Jepson 1893-3-13 21156 Napa St. Helena Napa River Basin Comment
  JEPS85055  Plagiobothrys nothofulvus Larry Heckard and Mary Ashton 1969-5-3 2229 Napa ca 7 mi ne Napa (off the Atlas Peak Rd); Mead Ranch 457 Comment
  UCD14966  Plagiobothrys nothofulvus Joe Smilanick 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 mi. southwest of Monticello Dam; 182 Comment
  UCD147458  Plagiobothrys stipitatus var. micranthus Ellen Dean; Diana Hickson 2014-4-29 8071 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCR140420  Plagiobothrys stipitatus var. stipitatus Beecher Crampton 1955-4-7 2447 Napa Inner North Coast Ranges, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville 488 Comment
  CAS-BOT-BC228493  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  POM63424  Plagiobothrys strictus Joseph P. Tracy 1903-5-15 1857 Napa Calistoga Hot Springs 91 Comment
  UC353893  Plagiobothrys strictus Milo S. Baker 1927-5-1 2102 Napa near geysers; Calistoga Comment
  RSA0008558  Plagiobothrys strictus Joseph P. Tracy 1857 Napa Calistoga Hot Springs. 91 Comment
  JEPS68134  Plagiobothrys tenellus W. L. Jepson 1900-3-9 509 Napa Howell Mt. Comment
  UC1239617  Plagiobothrys tenellus J. P. Tracy 1902-5-20 1562 Napa near Angwin Creek crossing; Howell Mountain 457 Comment
  RSA170256  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa Howell Mountain; on La Jota Plateau in Las Posadas State Forest. Comment
  UCD74384  Plagiobothrys tener var. tener Jake Ruygt 1990-8-14 2475 Napa Leoma Lakes, Wild Horse Valley Ranch. 414 Comment
  UCD167240  Plantago coronopus Jake Ruygt 1980-6-1 910 Napa Milton Road across from Maury's Yauhts. 0 Comment
  HSC81864  Plantago elongata Thomas W. Nelson, Jane Nelson 1980-5-3 5148 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS6453  Plantago erecta Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  RSA41868  Plantago erecta H. C. Cantelow 1939-4-8 2516 Napa Howell Mt. Comment
  UCD170831  Plantago erecta 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD38572  Plantago erecta Beecher Crampton 1956-5-25 3466 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD49194  Plantago erecta A. Van Houtte; E. Leger and C. Hohn 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., along SE rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UCD68116  Plantago erecta Hilary Jane Ernst 1981-5-2 25 Napa 2.8 miles Northwest on Highway 128 from Moskowite Corners, to left of road, up trail. In a chaparral plant association, dominated by Pinus sabiniana, on a 10 degree slope. 243 Comment
  POM203259  Plantago erecta J. T. Howell 1931-4-2 6052 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  SEINET5735104 Image available Plantago erecta Carol Moore 1974-1 12 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  UCD15027  Plantago erecta Janet Zwanziger 1977-4-24 13 Napa 15.6 miles N of Pokeville junction along Knoxville Road. Comment
  CHSC59778  Plantago lanceolata William Schlack 1975-5-16 33 Napa Zinfandel Lane, 2 miles west of State Highway 29. 91 Comment
  UC186875  Platystemon californicus C. F. Sonne April 1895 Napa Napa Junction Comment
  UC635474  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa between Calistoga and Petrified Forest; between Calistoga and Petrified Forest Comment
  RSA195378  Platystemon californicus var. californicus Gilbert Muth 1967-4-16 632 Napa Snell Valley. 183 Comment
  JEPS110898  Plectritis brachystemon Jake Ruygt 1996-5-19 3720 Napa Chiles valley at east end of large meadow. 228 Comment
  JEPS6142  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4447 Napa Road between Chiles Valley and Monticello Valley Comment
  UCD49301  Plectritis ciliosa A. Van Houtte; E. Leger and C. Hohn 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UC1301169  Plectritis ciliosa subsp. ciliosa Helen K. Sharsmith 1963-4-20 5353 Napa above Wooden Valley (on Monticello Road, e side Napa Range); San Francisco Bay Region, Napa Range San Francisco Bay Regio 243 Comment
  UC999844  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 635 Napa near Monticello Comment
  UCD83672  Plectritis congesta subsp. brachystemon Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 7 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 185 Comment
  RSA298944  Plectritis congesta subsp. nitida R. Kuhn 1912-5-19 s.n. Napa Oakville. Comment
  JEPS5124  Plectritis macrocera Miss R. Kuhn 1912-4-10 Napa Oakville Comment
  UC28849  Plectritis macrocera Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, Angwin's Howell Mountain; Napa River Basin, , Angwin's Comment
  UCD90191  Pleuropogon californicus var. californicus R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  UCD92169  Poa M. S. Baker 1936-4-1 8198 a Napa road to Knoxville Mine. Comment
  UCD121140  Poa annua Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7343 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
  UCD36940  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  UCD73397  Poa howellii 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
  UCD91143  Poa howellii R. Tofsrud 1941-6-1 370 Napa near Calistoga. Comment
  CAS-BOT-BC246846  Poa napensis Alan A. Beetle 1946-5-7 4256 Napa 2 miles north of Calistoga at Myrtledale Hot Springs Comment
  JEPS122737  Poa napensis Jake Ruygt 2011-6-18 5803 Napa Tubbs Lane/Fard Property, south of Myrtledale Road. Quad: Calistoga. Comment
  UC1117808  Poa napensis A. A. Beetle 1946-5-7 4256 Napa N of Calistoga at Myrtledale Hot Springs, Napa Co. Comment
  JEPS70663  Poa secunda subsp. secunda Willis L. Jepson 1893-4-24 Napa hills e St Helena (to Conn Valley Rd) Comment
  JEPS76076  Poa secunda subsp. secunda W. L. Jepson 1938-5-18 18788 Napa behind St Helena Sanitarium (Howell Mt, on top of little hill,) Comment
  RSA128671  Pogogyne douglasii Peter H. Raven 1951-5-26 2880 Napa Butts Canyon. 305 Comment
  RSA83437  Pogogyne douglasii J. T. Howell 1929-5-30 4278 Napa 3 miles from Pope Valley Store on road to Pope Creek Canyon, Napa Range Comment
  SDSU22047  Pogogyne douglasii Ellen Dean, Jake Ruygt 2015-5-23 8760 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  UCD125418  Pogogyne douglasii G. H. Vansell 1934-5-16 s.n. Napa Napa Valley. Comment
  JEPS110820  Pogogyne serpylloides Jake Ruygt 1994-5-17 3377 Napa Bennett Lane, Butts Canyon Road; Juliana Vineyards 252 Comment
  UCD98411  Polycarpon tetraphyllum Irving Grover 1954-6-29 s.n. Napa from farm buildings. Comment
  UCD82591  Polygala californica Ellen Dean; T. Starbuck 2009-5-4 5530 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  SEINET5744520 Image available Polygala californica Timothy P. King 1973-1 115 Napa E side of State Hwy 121, 9.6 miles from its junction with State Hwy 128, W side of Lake Berryessa.; Lake Berryessa Comment
  JEPS50531  Polygonum amphibium var. emersum Willis L. Jepson 1894-11-8 Napa Napa City Napa River Basin Comment
  JEPS110850  Polygonum arenastrum Jake Ruygt 1989-7-18 2400 Napa Willis Drive, Napa 15 Comment
  CAS-BOT-BC109162  Polygonum bolanderi Wilhelm Nikolaus Suksdorf 1913-7-30 748 Napa Northwest of Napa. Comment
  OBI10869  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Mt. Howell Comment
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  UC6673  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa e Camp 64; Napa Valley 609 Comment
  UC6676  Polygonum californicum Brewer 856 Napa Napa Hills Comment
  JEPS115683  Polygonum lapathifolium Lowell Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  UC6721  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River Comment
  JEPS112608  Polygonum parryi Jake Ruygt 1986-6-14 1819 Napa Craters 719 Comment
  RSA170233  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  UC1198090  Polygonum parryi Joseph P. Tracy 1933-6-2 12457 Napa La Jota Plateau Howell Mountain (hills at head of Moore's Creek, 5 mi e of Angwin's) 518 Comment
  RSA26174  Polygonum patulum J. T. Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River. Comment
  CHSC103008  Polygonum persicaria Lowell Ahart 2009-10-12 16448 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  HSC100737  Polygonum punctatum Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek, E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  JEPS112592  Polygonum punctatum Jake Ruygt 1969-12-31 2410 Napa Napa River about 1/2 mile north of Trancas St., Napa 3 Comment
  JEPS116558  Polypodium calirhiza Jake Ruygt 1978-3-8 234 Napa 4.8 miles NE of Atlas Peak Road on Monticello Road. 7.5' Mount George Quad. Comment
  UCD121196  Polypodium calirhiza Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7367 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  CAS-BOT-BC72053  Polypodium calirhiza Betty H. Johnson 1958-6-20 276 Napa above old toll road ca. 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  SACT002023  Polypogon maritimus 1925-5-25 Napa No collector/determiner listed. Comment
  UCD91411  Polypogon monspeliensis M. Wiesendanger 1926-4-1 1495 Napa Somewhere. Comment
  CDA11615  Polystichum dudleyi G. F. Hrusa, G. L. Stebbins 1994-3-11 11613 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station. Comment
  JEPS116570  Polystichum imbricans subsp. imbricans Jake Ruygt 2002-3-16 4362 Napa Troutdale Creek west of Highway 29. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC72464  Polystichum munitum Elsa G. Ruckert 1960-3-26 45 Napa 6495 Dry Creek Road, field to right of private road leading in to property 365 Comment
  JEPS116551  Polystichum munitum Jake Ruygt 2003-3-29 4483 Napa Mount George, on southwest trail leading to peak. Mount George 7.5' Quad. Comment
  CAS-BOT-BC72465  Polystichum munitum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, side of Mt. Veeder Comment
  UCD110657  Populus fremontii subsp. fremontii M. Wiesendanger 1926-4-1 1509 Napa location unknown. Comment
  JEPS122748  Proboscidea lutea Jake Ruygt 2006-9-10 5100 Napa West side of Highway 29, south of Darms Lane. Quad: Napa. Comment
  JEPS62485  Prunella vulgaris W. L. Jepson 1923-6-3 9975 Napa e Yountville (Napa Valley, near base of hills); Napa Valley Comment
  UC12813  Prunus subcordata Willis L. Jepson 1893-5-8 Napa New Eden Napa River Basin Comment
  UC467871  Prunus subcordata H. P. Chandler 1907-4-21 7532 Napa Road from Glen Ellen to Oakville (side of Summit) Comment
  JEPS106916  Pseudognaphalium biolettii Jake Ruygt 1988-7-19 3516 Napa Skyline Park, Sugarloaf trail. 420 Comment
  JEPS106915  Pseudognaphalium californicum Jake Ruygt 1992-6-24 3054 Napa Tuteur Ranch, end of Green Valley Rd. 316 Comment
  UCD19309  Pseudognaphalium californicum M. A. Bibbo; E. Dean 2001-7-6 1 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.4 air miles from research station. E (upslope) side of the road. 365 Comment
  UCD73841  Pseudognaphalium californicum Ellen Dean; S. Rae 2008-5-21 4976 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  CAS-BOT-BC356981  Pseudognaphalium luteoalbum Peter H. Raven 1952-5-31 4161 Napa Flood plain of Rector Creek 121 Comment
  UCD63178  Pseudognaphalium microcephalum Jake Ruygt 1988-3-26 2138 Napa east of Toll canyon on Blue Ridge. 673 Comment
  JEPS106963  Pseudognaphalium stramineum Jake Ruygt 1996-3-30 3544 Napa Jameson Vineyards, South Kelly Road. 91 Comment
  CAS-BOT-BC80153  Pseudotsuga menziesii Peter H. Raven 1951-8-19 3852 Napa near Lokoya 487 Comment
  SEINET265709  Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS48292  Pseudotsuga menziesii var. menziesii W. L. Jepson 1900-3-10 511 Napa Howell Mt. Comment
  UCD133367  Pseudotsuga menziesii var. menziesii Beecher Crampton 1955-3-15 2328 Napa Calistoga. Comment
  UCD147467  Psilocarphus brevissimus Ellen Dean; Diana Hickson 2014-4-29 8080 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS106923  Psilocarphus tenellus Jake Ruygt 1981-4-25 1004 Napa Table Mountain 762 Comment
  UC403981  Ptelea crenulata J. F. Spurgeon Sep 1906 2 Napa Veteran's Home, Napa; Napa Comment
  UC1735927  Pterostegia drymarioides Dean W. Taylor 1973-1-27 2059 Napa below Montecello Dam at Lake Berryessa along Putah Creek; under rocks on the south exposure of the canyon Comment
  UCD39141  Pyrrocoma racemosa Beecher Crampton 1964-8-18 7154 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  CDA11153  Quercus X chasei G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11564 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  CLARK-A1528-2905  Quercus X morehus John C. Roos 1939-4-16 259 Napa Angwin Comment
  JEPS37368  Quercus agrifolia W. L. Jepson 1907-12-1 2971 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37372  Quercus agrifolia W. L. Jepson 1907-12-1 2973 Napa Sanitarium Hill road Napa Valley Comment
  SEINET3140984  Quercus agrifolia Unknown 1995-6-11 sn Napa Homestead Area of McCormick Ranch, approx. 1.1 mi N of Bald Mnt. in Sugar Loaf State Park, and roughly 7 mi W of St. Helena 549 Comment
  UCD118400  Quercus agrifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat, just south of main meadow. 387 Comment
  UCD45016  Quercus agrifolia Willis L. Jepson 1901-11-17 1754 Napa Near St. Helena, Nov. 17, 1901 Comment
  UCD45339  Quercus agrifolia J. M. Tucker 1954-9-23 2757 Napa Beside Highway 37, 6.5 miles (by road) south of junction with Highway 28, in Napa County, California. Comment
  UCD148743  Quercus agrifolia var. agrifolia Jake Ruygt 2002-10-23 4467 c Napa Napa County; Mt. Vaca, south side of peak. 835 Comment
  CHSC47414  Quercus berberidifolia Lowell Ahart 1976-3-7 1024 Napa On steep hillsides, on the south side of the road and across a small stream, about 2 miles south-west of the Monticello Dam. 152 Comment
  JEPS116528  Quercus berberidifolia Jake Ruygt 2002-4-1 4379 Napa Blue Ridge north of Mays Flat. Knoxville 7.5' Quad. Comment
  SBBG111481  Quercus berberidifolia J. M. Tucker, G. L. Stebbins 1950-11-5 2004 Napa 11.5 mi NW of Monticello, beside rd to Pope Valley Comment
  SFV17674  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 7 Napa Highway 28, 7.7 miles (by road) west of junction with Highway 37. Southeast-facing hillslope above Sage Creek. Comment
  UCD14833  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -6 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD19316  Quercus berberidifolia M. A. Bibbo; E. Dean 2001-7-6 8 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.5 air miles from jct. with S Decker canyon rd. E (upslope) side of rd. 243 Comment
  UCD45756  Quercus berberidifolia Beecher Crampton 1959-8-14 5435 Napa Markley Canyon, Vaca Mtns. Napa County. Comment
  UCD92285  Quercus berberidifolia J. M. Tucker 1953-10-25 2692 Napa Upper road bank of Highway 28, 2.0 mile (by road) west of junction with Highway 37. Capell Canyon. Comment
  UCSB58649  Quercus berberidifolia Morley, Thomas 1941-5-11 Napa west bank of Putah Creek immediately above junction with Butts Creek 140 Comment
  SEINET3140220  Quercus chasei Unknown 1994-10-29 sn Napa Mt. George, north-ne. side ca. 400m Comment
  JEPS116542  Quercus chrysolepis Jake Ruygt 1984-3-31 1516 a Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  UCD149579  Quercus chrysolepis 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
  UCD96255  Quercus chrysolepis Ellen Dean; with Clare Loughran 2011-5-20 7077 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
  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-BC85935  Quercus douglasii H. E. McMinn 196 Napa Canyon thru which Pope Creek runs to Putah Creek Comment
  POM263157  Quercus douglasii J. C. Roos 1939-3-27 280 Napa Pope Valley Comment
  UC993144  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
  UCD14552  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -15 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45705  Quercus douglasii John M. Tucker 1954-9-23 2756 Napa West side of Highway 37, 0.1 mile south of junction with wooden Valley Road (about 9.5 miles northeast of Napa), Napa County, California. Comment
  UCD45742  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 20 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  UCD45747  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 16 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  UCD48036  Quercus douglasii A. Atamian; C. Owens, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 18 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 250 meters east of old road in an oak woodland, near a burned area (burned Oct 1999). 640 Comment
  SEINET12029187  Quercus dumosa Unknown 1941-1 126 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  CAS-BOT-BC79834  Quercus durata John Thomas Howell 1930-10-19 5615 Napa Rocky Canyon 3 mi from Aetna Springs on Butts Canyon road to Middletwon Comment
  CAS-BOT-BC79843  Quercus durata Walter Knight; Irja Knight 1963-9-15 241 Napa Los Alamos Rd., Santa Rosa Comment
  UCD14814  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -24 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14838  Quercus durata John M. Tucker 1950-11-12 2014 -16 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14844  Quercus durata John M. Tucker 1950-11-12 2014 -22 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149561  Quercus durata G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam. Comment
  UCD45947  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  UCD45884  Quercus durata var. durata John M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello-- Pope Valley Road, Napa County, California. Comment
  UCD45917  Quercus durata var. durata D. Q. Cavagnaro 1963-10-18 226 Napa 5.5 miles west of Moskwite Corners, Napa County, California. Elevation 100 feet. 30 Comment
  UCD45929  Quercus durata var. durata Thomas Morley 1941-5-11 130 A Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  JEPS116536  Quercus garryana Jake Ruygt 1990-4-7 2461 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  UCD46183  Quercus garryana Verne Grant; Alva Grant 1947-4-19 7941 Napa At the head of Weldon (Mix) canyon, near crest of ridge on eastern slope. Can be approached by dirt road from Pleasant Valley, Vaca Mountains; Napa-Vaca county line. Comment
  UCD46206  Quercus garryana John M. Tucker 1950-11-5 2005 1 Napa California, Napa Co.; near Angwin, on Howell Mountain, beside road from Pope Valley. (Collections made from 8 trees). Comment
  UCD46061  Quercus garryana var. garryana J. M. Tucker 1952-9-20 2626 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  UCD120920  Quercus kelloggii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7340 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD83399  Quercus kelloggii Jake Ruygt 1993-3-15 3170 Napa end of Lewelling Lane, Lewelling Ranch. 82 Comment
  JEPS37359  Quercus lobata Miss Frida Niedenmuller 1908-9-7 Napa St. Helena Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  CHSC59980  Quercus wislizeni Wm. C. Overton Jr. 1980-7-13 Napa Along a south bank of Eticuera Creek ca. 1-1/2 road miles north of Lake Berryessa. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  RSA491721  Quercus wislizeni James L. Reveal 1987-6-7 6391 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road, about 5.5 miles west-northwest of Vacaville. 183 Comment
  UCD47509  Quercus wislizeni D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD147530  Quercus wislizeni var. frutescens Ellen Dean; Diana Hickson 2014-4-29 8084 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD49056  Quercus wislizeni var. wislizeni Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd. just S of jct with Cut-Off Rd. 182 Comment
  JEPS106869  Rafinesquia californica Jake Ruygt 1989-5-20 2335 Napa About .5 miles south of Monticello Dam on Vaca Mtns. Monticello Dam 7.5' Quad. 822 Comment
  CAS-BOT-BC379141  Ranunculus aquatilis var. diffusus Peter H. Raven 1951-5-6 2812 Napa Conn Creek 2.5 mi from Rutherford to Dam 49 Comment
  JEPS55166  Ranunculus californicus W. L. Jepson 1904-6-3 2445 Napa Howell Mt. Comment
  UC160921  Ranunculus californicus Joseph P. Tracy 1903-5-15 1845 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS2825 Image available Ranunculus californicus W. L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin; E of St. Helena, Napa River Basin Comment
  CAS-BOT-BC378488  Ranunculus californicus var. californicus Peter H. Raven 1953-3-29 5202 Napa Calistoga 106 Comment
  RSA114032  Ranunculus californicus var. gratus Peter H. Raven 1957-5-5 10780 Napa Hills at western edge of Calistoga. Comment
  SEINET5718557 Image available Ranunculus canus Shirley C. Tucker 1964-1 6092 B Napa Route 138, 4 miles east of Moscovitz Corner.; Moscovitz Corner Comment
  JEPS55165  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  UCD49118  Ranunculus occidentalis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 1 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
  UCSB2073  Ranunculus occidentalis Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37 213 Comment
  UCD170810  Ranunculus occidentalis var. occidentalis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 160 Comment
  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
  JEPS110992  Ranunculus orthorhynchus Jake Ruygt 1982-2-16 1100 Napa .3 mile north of Chimney Rock Golf Course on Silverado T 20 Comment
  UCD160034  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 1 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. 396 Comment
  HSC29055  Raphanus sativus Thomas W. Nelson 1973-8-14 1109 Napa E of Napa Comment
  UCD54552  Reseda luteola Ellen Dean 2005-10-12 2740 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC427556  Reseda luteola Thomas H. Kearney 1948-8-1 s.n. Napa Near Napa Comment
  CDA42397  Rhagadiolus stellatus R. Robison 2014-4-21 s.n. Napa Bale Gristmill State Historic Park. 0 Comment
  UCD117923  Rhagadiolus stellatus Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  RSA671144  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson ranch, Dry Creek Road, 2 mi. W. of Yountville. Comment
  RSA133654  Rhamnus crocea John H. Thomas 1955-5-21 5110 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  UC668155  Rhamnus tomentella subsp. crassifolia Joseph P. Tracy 1938-6-6 15834 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  JEPS106403  Rhododendron occidentale Jake Ruygt 1987-5-16 1992 Napa Bismark Knob 579 Comment
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  UCD20690  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 2 Napa Napa County, Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank, 50' SE of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. Comment
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Sep 15 2007
  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
  CAS-BOT-BC200648  Rhus aromatica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  OBI20447  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pojse Creek Canyon Comment
  NY199504  Rhus aromatica var. trilobata D. K. Christopher 2003-4-12 151 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 166 Comment
Read comments
May 8 2010
  RSA696218  Rhus trilobata Keith E. Hoffmaster 1939-4-16 897 Napa Calistoga Road Comment
  UCD73419  Rhus trilobata Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  RSA0021658  Ribes malvaceum D. D. Keck 1931-4-2 1025 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD167056  Ribes malvaceum var. malvaceum Jake Ruygt 1995-4-9 3418 Napa Table Rock, The Palisades. 792 Comment
  UC11625  Ribes roezlii var. cruentum Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  RSA0024605  Ribes roezlii var. cruentum Carl B. Wolf 1928-2-25 1499 Napa Summit of Mt. St. Helena grade, at Mt. St. Helena Inn. Comment
  RSA0024606  Ribes roezlii var. cruentum W. L. Jepson 1893-4-25 13524 Napa Trail to Caux s Cabin, mountains W of St. Helena. Napa River basin. Comment
  UCD167061  Ribes sanguineum var. glutinosum Jake Ruygt 1999-5-18 4165 Napa Skyline Park, along Marie Creek Road near lake. 244 Comment
  JEPS49306  Ribes victoris Willis L. Jepson 1893-5-9 13499 Napa Niebaum's Dam St. Helena Comment
  UC1299685  Ribes victoris Freed W. Hoffman 1947-3-12 761 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  UCD102441  Ribes victoris Mary Lou Douglass 1976-4-24 21 Napa 100 yds SW of P.M. 31.37 on Rt 128. Comment
  UCD164831  Ribes victoris Jake Ruygt 2012-5-19 5851 Napa Crystal Flats, west of Putah Creek. 268 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
  JEPS106904  Rigiopappus leptocladus Jake Ruygt 1998-5-11 3961 x Napa Greeg Mountain 445 Comment
  UC668195  Rigiopappus leptocladus Joseph P. Tracy 1938-6-5 15827 Napa 3 to 4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UCD148814  Rigiopappus leptocladus Ellen Dean; Diana Hickson 2014-4-29 8120 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD18103  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 612 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
  UCD63167  Rigiopappus leptocladus Jake Ruygt 1983-5-29 1467 Napa Napa Valley: Knoxville. 426 Comment
  UCD148771  Rorippa palustris subsp. palustris Jake Ruygt 2004-4-3 4578 Napa Napa County; east of Knoxville Creek on ridge bordering Foley Creek. 414 Comment
  CAS-BOT-BC147533  Rosa californica John Thomas Howell 1933-8-27 11649 Napa Chiles Valley, Napa Range Comment
  JEPS110648  Rosa californica Jake Ruygt 2007-5-14 593 Napa NE corner of Trefethen Vineyards, Dry Creek 22 Comment
  CAS-BOT-BC148158  Rosa gymnocarpa A. A. Heller 1924-4-12 13838 Napa About 5 miles south of Calistoga Comment
  JEPS45680  Rosa gymnocarpa W. L. Jepson 1894-10-14 13891 Napa sw Calistoga; Rebecca Ranch grade Comment
  UC126649  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7113 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD113904  Rosa spithamea Heidi E. M. Dobson 1978-5-6 320 Napa East slope of Mt. Veeder. Comment
  CAS-BOT-BC156588  Rubus bifrons Peter H. Raven 1952-5-31 4108 Napa Slough of Napa Cr. e. of Yountville 30 Comment
  UCD114003  Rubus ursinus Heidi E. M. Dobson 1978-4-8 303 Napa East slope of Mt. Veeder. Comment
  UCD101004  Rumex acetosella Mary Lou Douglass 1976-4-24 29 Napa Atlas Peak Road. P.M. 4.5 from Rt 121. Comment
  JEPS120317  Rumex californicus Jake Ruygt 1990-5-12 2544 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  JEPS110756  Rumex crispus Jake Ruygt 1979-3-7 440 Napa Marina Drive at South Coombs 3 Comment
  CAS-BOT-BC421598  Rumex crispus Peter H. Raven 1952-5-29 4072 Napa Napa River 1 mi. n. Napa 60 Comment
  UCD15261  Rumex crispus Kathryn A. Specht 1984-4-28 9 Napa Napa: 0.5 mi east of Coyote Knoll, along Knoxville Rd., on an island in the middle of a lake; 121 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
  JEPS110755  Rumex dentatus Jake Ruygt 1980-6-29 948 Napa Steele Canyon Resort at Lake Berryessa 129 Comment
  JEPS51076  Sagina decumbens subsp. occidentalis Willis L. Jepson 1893-4-24 Napa hills e. St. Helena (to Conn Valley Rd.); Napa R. Basin Comment
  UC1103529  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1902-5-16 1503 Napa 3 - 4 mi. e. Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt., Moore's Creek 365 Comment
  UCD164755  Sagina decumbens subsp. occidentalis Jake Ruygt 2014-5-19 5951 Napa Sutro Ranch, Atlas Peak. 610 Comment
  JEPS120391  Sagina subulata Jake Ruygt 1979-5-14 592 Napa Trefethen Winery, Oak Knoll Comment
  UCD161214  Salicornia pacifica Jake Ruygt 1993-8-28 3289 Napa Bentley Wharf. 0 Comment
  CAS-BOT-BC103229  Salix bonplandiana Peter H. Raven 1953-4-2 5228 Napa Imola 60 Comment
  CAS-BOT-BC108661  Salix breweri M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC108664  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa-Lake Co. line. Comment
  CAS-BOT-BC108666  Salix breweri John Thomas Howell 1931-4-3 6149 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  UC481209  Salix breweri Ball, Bracelin, Parks and Parks 1931-4-21 26 Napa near junction with St. Helena Creek (about 6 km s of Middletown, about 120 m above creek mouth); Mirabel Creek 420 Comment
  UCD170813  Salix eastwoodiae 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. Along drainage leading to Maxwell Creek. 166 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
  UC634548  Salix exigua var. hindsiana H. L. Mason 1926-3-14 2719 Napa along stream in grove Mt. St. Helena 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
  CAS-BOT-BC539353  Salix laevigata Jake Ruygt 1995-3-17 3407 Napa Silverado Trail E of Souza land, Napa 3 Comment
  JEPS13064  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2343 Napa St. Helena Napa River Basin, St. Helena Comment
  UCD164813  Salix lasiandra var. lasiandra Jake Ruygt 2007-3-31 5138 Napa Las Posadas State Forest, Moore Creek near Recreational Flat. 359 Comment
  JEPS13840  Salix lasiolepis Willis L. Jepson 1893-3-13 32 s Napa hills e of St. Helena; Napa River Basin Comment
  UC482323  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 19 Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UC483316  Salix lasiolepis Ira L. Wiggins 1932-3-12 5751 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  UC524082  Salix lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  UCD164810  Salix lasiolepis Jake Ruygt 1993-2-19 3164 Napa Along access road to Fagan Slough, Napa County Airport. 7 Comment
  CAS-BOT-BC124412  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3065 Napa Wooden Valley Grade 304 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
  CAS-BOT-BC128201  Salix lucida Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house road Mt. St. Helena on Calistoga sie of Napa County Comment
  UCD162403  Salpichroa origanifolia Irving Grover 1958-6-9 s.n. Napa Napa. Comment
  HSC43975  Salvia columbariae Robert M. Specht 1977-4-19 687 Napa Along drainage running NE from Adams Creek 518 Comment
  SFV8449  Salvia columbariae P. Warner 1967-4-16 44 Napa North Coast Ranges Vaca Mountains. 0.7 miles above (west) of Monticello Dam, Lake Berryessa. 152 Comment
  UC25739  Salvia sonomensis Willis L. Jepson 1893-5-1 Napa w of Calistoga; Napa River Basin Comment
  UCD47961  Sambucus nigra subsp. caerulea Ryan Knox; E. McDermott, and G. Walden 2002-4-13 3 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
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 Comment
  UCD128014  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCD169881  Sanicula bipinnatifida Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 721 Napa Knoxville Wildlife Area. 352 Comment
  UCD48523  Sanicula bipinnatifida S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 11 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
  UC658970  Sanicula bipinnatifida Mildred E. Mathias 1937-5-23 1280 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 Comment
  UCD14928  Sanicula bipinnatifida Jumi Takeda 1977-4-24 39 Napa 6.4 miles southwest of Monticello Dam, beside Highway 128. 182 Comment
  UCD127974  Sanicula crassicaulis K. Esau Date Unknown s.n. Napa near Monticello. Comment
  UCD48492  Sanicula crassicaulis A. Van Houtte; E. Leger and C. Hohn 2001-4-14 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., in drainage at NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  UCD128073  Sanicula crassicaulis Bob Threlkel 1964-5-8 7 Napa at creek east of highway; south of Lake Berryessa, at junction of State Highway 37 and 128. Comment
  JEPS991  Sanicula laciniata Willis L. Jepson 1893-5-1 14186 Napa Napa River Basin, Upper Napa Valley, Franz Valley Grade Franz Valley Grade; Napa River Basin, Upper Napa Valley, Franz Valley Grade Comment
  UCD41470  Sanicula tuberosa Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1350 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along South Decker Canyon Road, south of junction with cut-off trail, east side of trail, on ridge-top east of stream. 213 Comment
  JEPS967  Sanicula tuberosa Willis L. Jepson 1893-4-24 14192 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  JEPS43798  Saxifraga californica Mrs. Mary Van E. Ferguson 1919-4-13 211 Napa near Atlas 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
  CDA11626  Scandix pecten-veneris G. F. Hrusa, S. Larson 1995-4-1 12062 Napa North Coast Biodiversity Arena; Margin of large diverse flower field along Chiles Valley/Pope Valley Rd. approx 2 mi. S of Pope Canyon Rd. intersection. Comment
  UC765478  Scandix pecten-veneris R. F. Hoover 1941-4-27 4942 Napa Napa Junction Comment
  RSA195309  Scandix pecten-veneris Gilbert Muth 1967-4-28 654 Napa Spring Mountain Road, St. Helena Comment
  UCSB12314  Scandix pecten-veneris Dearing, Hugh; Dearing, Margaret 1939-5-1 Napa Top of Spring Mt.grade, Napa County Comment
  CAS-BOT-BC21127  Schoenoplectus acutus var. occidentalis Peter H. Raven 1951-9-9 3910 Napa Slaughterhouse Pt., Napa River. 0 Comment
  CAS-BOT-BC21128  Schoenoplectus acutus var. occidentalis Peter H. Raven 1952-5-31 4118 Napa 2.5 miles east of Yountville. 60 Comment
  JEPS121368  Scirpus acutus var. occidentalis Jake Ruygt 1988-5-4 2184 Napa .5 miles NE of Flosden Rd. intersection with American Cyn Rd. 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
  JEPS121361  Scirpus koilolepis Jake Ruygt 1989-5-9 2311 Napa American Canyon, Avilla Ranch. Comment
  JEPS62903 Image available Scutellaria siphocampyloides W. L. Jepson 1938-6-8 18903 Napa Butts Canyon Butts Canyon Comment
  POM63106  Scutellaria siphocampyloides C. F. Baker 1903-5-8 2970 Napa Knoxville. Comment
  UCD149716  Sedella pumila Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  CAS-BOT-BC417004  Sedella pumila A. A. Heller 1902-4-25 s.n. Napa unspecified Comment
  CAS-BOT-BC417006  Sedella pumila H. P. Chandler 1907-5-5 7557 Napa near Yountville Comment
  CAS-BOT-BC63776  Sedum radiatum subsp. radiatum Peter H. Raven 1951-6-10 2912 Napa Crater Region E of Mt. St Helena 762 Comment
  CAS-BOT-BC63837  Sedum spathulifolium John Thomas Howell 1929-5-30 4280 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC63838  Sedum spathulifolium Betty H. Johnson 1958-6-15 617 Napa Near St. Helena River. 6.4 mi SW of Middletown Comment
  JEPS126094  Sedum spathulifolium Jake Ruygt 1976-5-2 37 Napa 2.5 miles NE of Atlas Peak Road on Monticello Road. Mount George 7.5' Qua. Comment
  RSA0074712  Sedum spathulifolium D. D. Keck 1933-5-29 2354 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC69714  Selaginella wallacei Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena. Comment
  JEPS103971  Selaginella wallacei Jake Ruygt 1994-3-19 3326 Napa Top of the Palisades. 716 Comment
  UC2061491  Selaginella wallacei D. G. Kelch 2012-8-4 12 .253 Napa Above California Veteran's Home. Comment
  CAS-BOT-BC69715  Selaginella wallacei Alice Eastwood s.n. Napa Mt. St. Helena. Comment
  HSC104394  Selaginella wallacei J. French 1969-2-15 Napa Along State Hwy. 121, 7 mi. NE of Napa Comment
  SEINET7072563  Senecio A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  UCD161781  Senecio hydrophilus Jake Ruygt 1999-6-8 4180 Napa Fagan Slough. 1 Comment
  JEPS37649  Senecio integerrimus var. exaltatus W. L. Jepson 1915-4-24 6262 Napa Chiles Creek Conn Valley Comment
  CAS-BOT-BC364214  Senecio sylvaticus Baker 1938-5-4 8972 Napa Levee at Cutting Wharf Comment
  JEPS126081  Sesbania punicea Jake Ruygt 1992-6-1 3008 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  UCD92839  Setaria viridis Beecher Crampton 1964-8-18 7152 Napa 2 miles north of Calistoga Tubbs Lane, entrance to Old Faithful Geyser. Comment
  UCD167172  Sidalcea calycosa subsp. calycosa Jake Ruygt 1982-6-21 1332 Napa Suscol Plain near Kaiser Steel, Rocktram. 1 Comment
  POM216232  Sidalcea diploscypha D. D. Keck 1933-5-29 2363 Napa Pope Creek bridge, S of Walters Springs, S. of creek Comment
  UC518944  Sidalcea diploscypha David D. Keck 1933-5-29 2363 Napa s Walters Springs (Pope Creek Bridge, to s of creek); s of Walters Springs, Pope Creek Bridge Comment
  UC871440  Sidalcea diploscypha M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  UCD13152  Sidalcea diploscypha Kathleen Worden 1981-5-26 18 Napa Napa CO. Highway 128, 1 mile west of Knoxville Rd. intersection. Comment
  JEPS110708  Sidalcea hartwegii Jake Ruygt 1989-6-6 2364 b Napa 4.5 miles north of Monticello Rd. on Atlas Peak Rd. 448 Comment
  JEPS50094  Sidalcea hartwegii W. L. Jepson with R. F. Hoover 1938-6-8 18890 Napa Lower portion of Butts Canyon Comment
  JEPS110725 Image available Sidalcea hickmanii subsp. napensis Jake Ruygt 1992-5-15 2959 Napa west of Leoma Lakes at base of Mt. George 420 Comment
  JEPS122752  Sidalcea hickmanii subsp. napensis Jake Ruygt 2011-6-9 5800 Napa South side of Mt George, Palmaz Vineyards. Quad: Mt. George. Comment
  UC1177102  Sidalcea hirsuta Peter H. Raven 1951-5-26 2869 Napa Aetna Springs to start Butts Canyon; Aetna Springs to start of Butts Canyon 243 Comment
  JEPS117023  Sidalcea keckii David Gowen 2008-5-14 918 Napa Berryessa Knoxville Rd. ca. 4.5 miles south of Knoxville Tunnel, near milepost 29. Clayey slopes above west side of Eticuera Creek. 320 Comment
  JEPS122722  Sidalcea keckii Jake Ruygt 1976-4-25 30 Napa 23.5 miles north of Pope Canyon Road on Berryessa-Knoxville River. Quad: Jericho Valley Comment
  UCD170459  Sidalcea keckii Daniel Potter; Ninh Khuu 2016-6-18 888 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 Comment
  POM118515  Sidalcea malviflora subsp. laciniata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS67252  Sidalcea oregana subsp. hydrophila Willis L. Jepson 1893-9-24 14062 Napa at Angwin's Napa River Basin, , Howell Mt. (Howell Mt.) Comment
  UC108877  Sidalcea oregana subsp. hydrophila T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  RSA92932  Silene antirrhina P. H. Raven 1951-6-6 3056 Napa Wooden Valley Grade. 305 Comment
  RSA14164  Silene californica Rimo Bacigalupi, I. L. Wiggins, R. S. Ferris 1933-6-2 6673 Napa 10 miles from Pacific Union College on Howell Mt. - Middletown road. Comment
  SEINET4176068 Image available Silene californica Sally Walker 1981-5-18 Napa 9.9 mi down balts canyon rd South of Middletown Comment
  RSA185755  Silene gallica John H. Thomas 1955-5-21 5121 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  CAS-BOT-BC388146  Silene gallica Ira L. Wiggins 1949-4-30 12074 Napa Along old toll road between Calistoga and Middletown, about 1.8 miles n.e. of Callistoga Comment
  UCD37128  Silene laciniata subsp. californica Beecher Crampton 1957-6-4 4095 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  JEPS126133  Silene lemmonii Jake Ruygt 2008-5-21 5346 Napa Wildlake Ranch, Rattlesnake Ridge, road to Potato Hill. Calistoga 7.5' Qua. Comment
  UCR212283  Silene multinervia 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
  UCD74405  Sinapis arvensis Jake Ruygt 1999-7-3 4190 Napa Napa College, road north of tennis courts. 3 Comment
  CAS-BOT-BC75288  Sisymbrium officinale Elsa G. Ruckert 1960-4-3 65 Napa 6495 Dry Creek Road. West of house. 365 Comment
  CAS-BOT-BC75287  Sisymbrium officinale Betty H. Johnson 1958-6-15 640 Napa 0.25 mile above Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  JEPS126032  Sisyrinchium bellum Jake Ruygt 1976-4-15 3 Napa 0.5 mile east of Silverado Trail on Deer Park Road. Saint Helena 7.5' Quad. Comment
  UCD48248  Sisyrinchium bellum R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 12 Napa The border between Yolo and Napa counties, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burn area (burned Oct 1999). 640 Comment
  UCD48732  Sisyrinchium bellum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 18 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, 1/4 mi. from jct with West Rd. 152 Comment
  JEPS64277  Sisyrinchium bellum Willis L. Jepson 1893-5-1 Napa near Calistoga (Franz Valley Grade, below summit); Sierra Foothills, Napa River Basin Comment
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 Comment
  UCD126993  Solanum parishii M. R. Wanzer 1948-5-6 11 Napa Putah Creek Canyon, 8 miles west of Winters. Comment
  HSC100739  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa Below the high water line of Lake Berryessa, ~100 yd. E of Eticuera Creek, ~50 yd. S of Eticuera Parking Area at the NE end of causeway, on S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  JEPS110747  Solanum rostratum Jake Ruygt 1996-9-14 3785 Napa 1.9 miles north of Sage Canyon Road on Lower Chiles Valley R 298 Comment
  UC1301158  Solanum umbelliferum Helen K. Sharsmith 1963-3-17 5214 Napa s side of Mount Atlas Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  CAS-BOT-BC156678  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa Howell Mt. Comment
  SEINET5760783  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa North Coast Ranges; east slope in the Howell Mountains, 5 miles east of Napa 457 Comment
  CDA11826  Solidago californica G. F. Hrusa 1993-10-3 11424 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  JEPS104694  Solidago velutina subsp. californica John L. Morrison 1936-9-20 1939 Napa Comment
  JEPS32346  Solidago velutina subsp. californica W. L. Jepson 1938-9-24 19025 Napa se Pope Valley (Canyon of James Creek); Canyon of James Creek 304 Comment
Read comments
Oct 2 2012
  CAS-BOT-BC365098  Solidago velutina subsp. californica L. S. Rose 1927-7-24 s.n. Napa St. Helena Comment
  CAS-BOT-BC390291  Spergularia macrotheca var. longistyla Alice Eastwood 1915-6-5 4639 Napa Calistoga Comment
  CAS-BOT-BC390294  Spergularia macrotheca var. longistyla John Thomas Howell 1926-3-27 1759 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC390296  Spergularia macrotheca var. longistyla Peter H. Raven 1950-5-6 2000 Napa Near Calistoga Airfield, Calistoga 45 Comment
  CAS-BOT-BC390308  Spergularia macrotheca var. macrotheca John Thomas Howell 1932-10-8 10803 Napa Napa River levee at Cuttings Wharf Comment
  CAS-BOT-BC390563  Spergularia rubra Peter H. Raven 1952-5-31 4163 Napa Flood plain of Rector Creek 121 Comment
  UC14962  Spiranthes porrifolia J. P. Tracy 1899-6-19 445 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 518 Comment
  SEINET9367953  Stachys ajugoides var. ajugoides Unknown 1995-9-12 12461 Napa Napa County Comment
  JEPS112631  Stachys ajugoides var. rigida Jake Ruygt 1996-4-20 3616 Napa Jameson Vineyards, Jameson Canyon. 79 Comment
  JEPS105353  Stachys albens Dean W. Taylor 1994-10-7 14710 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  JEPS112647  Stachys albens Jake Ruygt 1986-6-28 1851 Napa .4 mile south of Snell Valley Rd. on Butts Canyon Rd. 216 Comment
  UC648281  Stachys albens Alice Eastwood, John Thomas Howell 1939-8-20 7617 Napa Capell Creek Comment
  SBBG53024  Stellaria nitens M. R. Benedict 1978-4-18 Napa Hwy 128 on divide between Napa Valley and Russian River Valley, ca. 5 mi NW of Calistoga Comment
  UC35828  Stephanomeria elata Willis L. Jepson 1893-9-23 Napa Upper Napa Valley, Napa River Basin. Comment
  UCD35506  Stephanomeria elata Beecher Crampton 1956-9-28 3881 Napa Vaca Mtns, floor of Wragg Canyon. Comment
  CAS-BOT-BC375744  Stephanomeria virgata Peter H. Raven 1951-8-21 3871 Napa Mt. Veeder 762 Comment
  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
  JEPS129100  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-5-3 6230 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  SACT002369  Stipa lepida John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam, northwest facing slope on south side of highway. Comment
  SEINET10893282  Stipa lepida David D. Keck 1931-4-2 Keck 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 miles NE of Napa. Dry rocky openings in the chaparral. 170 Comment
  SEINET10603940  Stipa pulchra David D. Keck 1931-4-2 Keck 1004 Napa Foot of Wooden Valley grade, 4 miles Ne of Napa. Common on open, rolling slopes. 50 Comment
  UC956499  Streptanthus barbiger Freed W. Hoffman 1947-9-11 1070 Napa Spring Mountain Road North Coast Ranges 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
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  JEPS106607  Streptanthus breweri var. breweri Jake Ruygt 1981-5-6 1019 Napa .2 miles east of Walter Spprings bridge on Pope Rd. 207 Comment
  UC518933  Streptanthus breweri var. breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge s Walters Springs (roadbank) Comment
  UC1492725  Streptanthus breweri var. breweri Freed W. Hoffman 1952-5-24 4166 Napa 7.8 mi w junction to Monticello Road; North Coast Ranges, Sage Canyon Comment
  UC630647  Streptanthus breweri var. breweri John L. Morrison and Florence L. Morrison 1938-5-25 3000 Napa sw-facing outcrop 0.7 mi w Knoxville (on road to Lower Lake) Comment
  RSA94058  Streptanthus glandulosus R. C. Barneby 1954-4-30 11335 Napa Conn Valley. near the slipway., 300 [ft? m?] Comment
  SEINET5501528 Image available Streptanthus glandulosus Sally Walker 1983-5-26 Napa e side of Mt St Helena Napa co. Comment
  JEPS27088  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1893-5-2 13412 Napa New Pope Valley Grade from Calistoga; Napa River Basin Comment
  JEPS54003  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1894-5-1 13411 Napa ridge opposite mouth of Conn Valley; Napa River Basin Comment
  RSA195351  Streptanthus glandulosus subsp. glandulosus Gilbert Muth 1967-5-17 685 Napa Summit of Oat Hill Road. 671 Comment
  UC187983  Streptanthus glandulosus subsp. glandulosus Edw. L. Greene 1895-4-1 Napa Dry Creek Comment
  UCD116024  Streptanthus hesperidis Robert E. Preston 1987-5-9 556 Napa north side of Morgan Valley Road, 2.7 miles north of its junction with Pope Valley Road. [Correction from Rob Preston, 2014, north side of Knoxville-Berryessa Road, 2.7 miles north of its junction with Pope Valley Road.] 182 Comment
  CAS-BOT-BC87330  Streptanthus hesperidis Roger Raiche 1986-5-5 60213 Napa Near Middletown, ca. 2 miles north on state route 29. 304 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
  JEPS82529  Streptanthus morrisonii Roger Raiche 1984-5-19 40155 Napa near Knoxville (off of Bureau of Land Management roads); Hunting Creek area Comment
  UCD170472  Streptanthus morrisonii Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 901 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 477 Comment
  UCR71160  Streptanthus morrisonii subsp. kruckebergii L. F. LaPre, R. Bjork 1986-7-12 s.n. Napa Inner North Coast Ranges, Headwaters of 'Rare Plant Cyn', an unnamed tributary of Hunting Creek 427 Comment
  JEPS106596  Streptanthus tortuosus var. tortuosus Jake Ruygt 1990-4-28 2509 Napa Mt. St. Helena, along fire trail 963 Comment
  JEPS12886  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-6-26 Napa hills e St. Helena; Napa River Basin Comment
  CAS-BOT-BC97736  Symphyotrichum chilense Peter H. Raven 1951-6-26 3091 Napa Cappell Valley to Wooden Valley 329 Comment
  UC29910  Symphyotrichum spathulatum Mrs. D. O. Hunt and Miss Alice Wood 1898-12-2 Napa St. Helena Comment
  CHSC106847  Symphyotrichum subulatum var. parviflorum Barbara Ertter; Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128. 91 Comment
  UCD19337  Taeniatherum caput-medusae M. A. Bibbo; E. Dean 2001-7-6 29 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just south of powerline, ca. 0.5 air miles from jct of W and E roads, on top of ridge. 259 Comment
  JEPS126111  Tanacetum parthenium Jake Ruygt July, 1979 594 z Napa Trefethen Vineyard near Dry Creek. Napa 7.5' Qua. Comment
  JEPS129144  Tetragonia tetragonoides Jake Ruygt 1980-3-27 819 Napa Napa Valley Garbage disposal site. Cuttings Wharf 7.5' Quad. Comment
  UCR261675  Tetrapteron graciliflorum Ann Howald 2003-4-19 2301 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  JEPS55128  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa grade n Wooden Valley grade; Napa River Basin Comment
  CAS-BOT-BC399739  Thalictrum polycarpum Betty H. Johnson 1958-6-20 662 Napa Near Mt. Mill House, 6.4 mi. S.-W. of Middletown Comment
  JEPS106595  Thelypodium brachycarpum Jake Ruygt 1982-6-15 1325 Napa Devilshead Rd. area north of Cedar Creek on road to Hunting Cr 387 Comment
  UCD39033  Thermopsis californica var. californica Beecher Crampton 1962-5-16 6419 Napa Chiles Valley, above Sage Creek. Comment
  UCD48029  Thermopsis californica var. californica K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 27 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, next to Old Knoxville Rd. 426 Comment
  UCD95951  Thermopsis californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7066 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
  JEPS65662  Thermopsis californica var. californica Willis L. Jepson 1895-4-27 13584 Napa Union Station Napa Valley, Napa River Basin Comment
  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-BC66492  Thysanocarpus curvipes David D. Keck 1931-4-2 1035 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC66496  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66517  Thysanocarpus curvipes Jim Steele 1980-4-11 44 Napa Pope Valley. Cleary Reserve. 0.25 mile from entrance gate. 365 Comment
  UC1301099  Thysanocarpus curvipes Helen K. Sharsmith 1963-3-17 5208 Napa s side Mt. Atlas; San Francisco Bay Region, s side Mt. Atlas 609 Comment
  CAS-BOT-BC66484  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6098 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66485  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6099 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66490  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  CAS-BOT-BC66518  Thysanocarpus curvipes R. H. Platt 1898-3-24 s.n. Napa Vaca Mountains. Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  JEPS106583  Thysanocarpus radians Jake Ruygt 1992-4-10 2906 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  CAS-BOT-BC67307  Thysanocarpus radians Catherine Best 1983-4-28 s.n. Napa Southeast side of Atlas Peak Road about 6.5 miles from the intersection of Monticello Road. Comment
  CAS-BOT-BC67308  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles south of Monticello, eastern Napa county. 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
  UCD149580  Torilis arvensis 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
  UCD167157  Torreya californica Jake Ruygt 2015-3-10 6037 Napa Sutro Ranch, east side of Atlas Peak. 683 Comment
  CAS-BOT-BC172956  Toxicodendron diversilobum Peter H. Raven 1964-5-9 19041 Napa Along dirt road 2 miles west of Aetna Springs Comment
  JEPS63911  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19477 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63927  Toxicodendron diversilobum W. L. Jepson 1915-4-22 6231 Napa hills east St. Helena Comment
  JEPS63929  Toxicodendron diversilobum W. L. Jepson 1913-4-15 5314 Napa Howell Mt. 609 Comment
  UC17923  Toxicodendron diversilobum Willis L. Jepson May, 1893 Napa near St. Helena St. Helena; Napa R. Basin Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD147533  Toxicoscordion micranthum Ellen Dean; Diana Hickson 2014-4-29 8087 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD63857  Toxicoscordion venenosum var. venenosum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UC615138  Trichostema laxum Beryl O. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  JEPS108656  Trichostema ruygtii Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano Couny line. 316 Comment
  JEPS120350  Trichostema ruygtii Jake Ruygt 2004-7-25 4633 Napa Atlas Peak Road, 7.1 miles north of Monticello Road. Capell Valley 7.5' Quad. Comment
  UCD166648  Trichostema ruygtii Jake Ruygt 1979-7-3 737 Napa Atlas Peak Road, 7.6 miles north of Westgate Dr. 426 Comment
  CHSC25145  Trientalis latifolia J. E. Beitler 1970-4-19 27 Napa St. Helena. Locally abundant in area directly between York Creek and gate at road to Spring Mountain Conversion dam, on Spring Mountain Road. Comment
  UCD121195  Trientalis latifolia Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7366 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  UC1925874  Trifolium Ethel Crum 1931-1 1054 Napa Pope Valley Comment
  UC1925907  Trifolium Ethel Crum 1931-1 1047 Napa Four miles from Yountville. Comment
  UC160915  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-18 1542 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 518 Comment
  JEPS126124  Trifolium angustifolium Jake Ruygt 2009-5-18 5408 Napa American Canyon Road, near Highway 80; north side of road. Cordelia 7.5' Qua. Comment
  JEPS106693  Trifolium barbigerum var. barbigerum Jake Ruygt 1986-4-14 1704 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 448 Comment
  UCD107885  Trifolium bifidum R. Tofsrud 1951-5-20 s.n. Napa Yountville Cemetery. Comment
  UCD107886  Trifolium bifidum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  RSA91562  Trifolium bifidum var. decipiens Unspecified 1931-4-2 6093 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  UCD149693  Trifolium ciliolatum Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD149709  Trifolium ciliolatum Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UC165570  Trifolium depauperatum var. stenophyllum H. P. Chandler 1907-4-21 7522 Napa side of summit Comment
  JEPS65746  Trifolium depauperatum var. truncatum Willis L. Jepson 1893-5-1 13726 Napa from Calistoga (Knights Valley Grade); Napa River Basin Comment
  RSA195292  Trifolium dichotomum Gilbert Muth 1967-4-16 642 Napa Snell Valley 183 Comment
  UCD35296  Trifolium dichotomum Beecher Crampton 1955-4-7 2428 Napa 7.8 miles north of Monticello. Comment
  UCD83436  Trifolium dichotomum Jake Ruygt 1983-4-17 1436 Napa Red Hill, Mt. St. Helena. 457 Comment
  UCD118747  Trifolium dubium Katherine Graham; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, along oak woodland. 388 Comment
  CHSC10583  Trifolium fucatum Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS65868  Trifolium fucatum Willis L. Jepson 1893-4-25 13721 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  JEPS65876  Trifolium fucatum W. L. Jepson 1915-4-23 6256 Napa Conn Valley Comment
  UCR91212  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  UCD38367  Trifolium gracilentum Beecher Crampton 1955-4-4 2385 Napa 7 miles east of Rutherford, above Conn Reservoir, eastern edge. Comment
  CDA10873  Trifolium microcephalum G. F. Hrusa, M. Rejmanek 1993-5-15 10968 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA38369  Trifolium microcephalum D. G. Kelch 2010-5-6 10 .183 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UC16633  Trifolium microcephalum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD111455  Trifolium microcephalum R. Tofsrud 1951-5-26 s.n. Napa Near Enterprise School. 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
  POM126208  Trifolium microdon C. F. Sonne 1895-04 3102 Napa Napa Junction Comment
  JEPS106713  Trifolium obtusiflorum Jake Ruygt 1990-6-2 2570 Napa Sulphur Canyon 237 Comment
  UCD83420  Trifolium obtusiflorum Jake Ruygt 1988-6-4 2214 Napa S slope of Mt. St. Helena above Red Hill. 731 Comment
  RSA10694  Trifolium variegatum var. melananthum Carl B. Wolf 1928-5-8 1793 Napa 5 mi. no. of Calistoga, Mt. St. Helena Grade. Comment
  JEPS106686  Trifolium variegatum var. pauciflorum Jake Ruygt 1991-5-11 2667 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  UC16770  Trifolium variegatum var. variegatum W. L. Jepson May 2 1891-May 6 1891 Napa Little Oak Comment
  JEPS4171  Trifolium willdenovii W. L. Jepson 1936-7-2 17645 Napa Angwin Napa Range, Howell Mtn Comment
  UC137720  Trifolium willdenovii C. F. B. 1903-4-19 1989 Napa Calistoga Comment
  UCD17969  Trifolium willdenovii Ellen Dean; Kate Mawdsley 2001-4-9 688 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD48992  Trifolium willdenovii K. Mogel; B. Pekin and M. Higley 2002-5-4 6 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the lower road that leads to the power lines; 20 ft. upslope of road. 320 Comment
  UCD49036  Trifolium willdenovii C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 15 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Between West Rd. and Decker Bay Trail, approx. 200' NW of jct of West Rd. and Decker Bay Trail; approx. 300' N of creek. 167 Comment
  HSC15179  Trifolium willdenovii Greg Bos 1963-3-30 50 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  UC1300876  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa along Silverado Trail (hillsides) Comment
  UC16740  Trifolium willdenovii Willis L. Jepson 1893-4-23 Napa Napa Valley Napa River Basin Comment
  UCD109882  Trifolium willdenovii R. L. Smith 1948-5-1 s.n. Napa Northern part of county, Monticello Valley. Comment
  UCD109894  Trifolium willdenovii R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UCD33569  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa Napa County, east slope of Wragg Canyon. Comment
  CAS-BOT-BC451905  Triglochin maritima John Thomas Howell 1932-10-8 10810 Napa At Cuttings Wharf on Napa River Comment
  UC429263  Trillium albidum unknown Apr. 1897 554 S Napa woods near Napa City Napa City Comment
  UCD20032  Trillium chloropetalum C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-17 1206 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  JEPS110673  Triphysaria eriantha Jake Ruygt 1979-4-6 479 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 188 Comment
  UCD170206  Triphysaria eriantha Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 751 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  UCD16044  Triphysaria eriantha subsp. eriantha R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 29 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, flat land near stream, sunny. Herb, 2-2.5 dm tall, flower yellow. Comment
  JEPS74863  Triphysaria pusilla T. I. and F. M. Chuang 1975-5-4 7503 Napa on highway 29, 4.2 mi s Napa Comment
  JEPS10431  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley; Napa Range, Conn Valley Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  JEPS11171  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1941-4-26 4921 Napa Pope Valley Comment
  JEPS129112  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 2015-5-19 6104 Napa Atlas Peak Road Circle R (S) Ranch. Yountville 7.5' Quad. Comment
  CDA41891  Triphysaria versicolor subsp. faucibarbata H. Stabo 1960-4-25 s.n. Napa Southern part of county. 0 Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  UC1334877  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa on West Imola Avenue 1 mi w State Highway #12 and 29 Comment
  UC27200  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin 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
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  UC3281  Triteleia hyacinthina Willis L. Jepson 1884-5-4 Napa Little Oak Comment
  JEPS58047  Triteleia laxa R. H. Platt May 1916 Napa nw of Berryessa Valley (above Pope Valley); Upper Putah Creek Comment
  SEINET3889044  Triteleia laxa Daphne K. Christopher, Hannah I. Stevens; M. Bibbo 2003-4-12 147 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  UCD139378  Triteleia laxa J. Buck 1996-6-2 26 Napa along Highway 128 at intersection of Berryessa Knoxville Road. 48 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
  UCD21718  Triteleia laxa Robin McMaster 1972-4-9 49 Napa Lake Berryessa, shaded grassy slope. Comment
Read comments
Dec 18 2011
  RSA123617  Triteleia lugens Milo S. Baker 1942-5-7 10192 Napa Divide between Santa Rosa & Napa Valley at point west of St. Helena town, near summit of Spring Mountain road Comment
  UCD148740  Triteleia peduncularis Jake Ruygt 1980-6-7 925 Napa Napa County; 2.5 miles south of Berryessa Knoxville Rd. on Devilhead Rd. 432 Comment
  UCD160647  Triteleia peduncularis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8733 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD169874  Triteleia peduncularis Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 809 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 Comment
  CAS-BOT-BC91202  Umbellularia californica Elsa G. Ruckert 1960-2-27 7 Napa 6495 Dry Creek Road. 365 Comment
  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
  JEPS35616  Uropappus lindleyi Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS84560  Uropappus lindleyi John W. Willoughby 1977-4-27 2305 Napa along State Highway 128 very near Monticello Dam; Vaca Mountains 146 Comment
  SBBG15296  Uropappus lindleyi H. and M. Dearing 1939-5-3 3262 Napa Near Street, Helena Comment
  CAS-BOT-BC404188  Urtica dioica subsp. holosericea Dennis W. Woodland 1970-8-13 1617 Napa Anguin Meadows just west of shopping center Comment
  UC9794  Vancouveria planipetala Willis L. Jepson 1894-5-1 Napa near Calistoga; Napa River Basin, near Calistoga Comment
  JEPS11184  Verbascum blattaria W. L. Jepson 1930-10-19 15681 Napa stream bed of Conn Creek at Sage Canyon mouth; , streambed of Conn Creek Comment
  UCD38862  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. Comment
  UCD50230  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  UC1949222  Veronica americana Barbara Ertter with Elizabeth Neese 1988-10-2 7951 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  JEPS110576  Veronica anagallis-aquatica Jake Ruygt 1989-6-25 2386 Napa Napa River N of Trancas St., Napa 1 Comment
  UC1949226  Veronica catenata Barbara Ertter with Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment
  JEPS110575  Veronica peregrina subsp. xalapensis Jake Ruygt 1996-5-13 3663 b Napa .9 mile south of Pope Canyon Road on Hardin Road. 183 Comment
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  UCD117801  Vicia americana subsp. americana Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD83429  Vicia americana subsp. americana Jake Ruygt 1991-5-11 2655 Napa 1 mi N of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS106544  Vicia americana var. americana Jake Ruygt 1981-4-20 991 Napa American Canyon, .2 miless east of Flosden Rd. 164 Comment
  UC16957  Vicia americana var. americana Willis L. Jepson 1893-4-26 13609 Napa Oakville; Napa River Basin Comment
  UC162844  Vicia hassei Joseph P. Tracy 1904-5-23 2097 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  JEPS106539  Vicia sativa subsp. nigra Jake Ruygt 1996-4-6 3551 Napa near ridgetop, sout of Rector Dam. 243 Comment
  UCD108922  Vicia sativa subsp. nigra David Lawfer 1952-3-29 142 Napa Napa. Comment
  UCD83431  Vicia sativa subsp. nigra Jake Ruygt 1986-5-29 1797 Napa Mt. George. 307 Comment
  UCD49042