Search Results — 2000 specimen records retrieved (1495 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC102280  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  SEINET3195253 Image available Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa Comment
  SEINET4326871 Image available Acer macrophyllum Unknown 1967-6-26 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS127888  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 216 Napa About 200 meters west of Butts Canyon Rd. Comment
  UCD118600  Achillea millefolium William Goss; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD164483  Achillea millefolium J. A. Johnston 1995-5-7 11 Napa Next to Hwy 128 approximately, 0.5 miles west of Markley Cover on Lake Berryessa. 1000 Comment
  UCD18011  Achillea millefolium Ellen Dean; with Plant Biology 102 class 2001-4-28 743 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  JEPS29586  Achyrachaena mollis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8443 Napa 4.8 mi n along Atlas Peak Road Vichy Springs (junct of Calif 37 with Atlas Peak Road); Milliken Reservoir (due west and above) 335 Comment
  UC165022  Achyrachaena mollis J. P. Tracy 1902-5-21 1601 Napa 3-4 mi e, at head of Moore's Creek Angwin's; Howell Mountain, Moore's Creek 426 Comment
  UCD170663  Achyrachaena mollis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD167136  Acmispon americanus var. americanus Jake Ruygt 2015-5-23 6110 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD47970  Acmispon brachycarpus M. Carson; A. Haselby, J. Howard, P. Mayers 2000-4-29 5 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  SEINET957912  Acmispon micranthus W. L. Jepson 1893-1 13787 Napa Hills, Howell Mountian grade, east of town of St. Helena, Napa River Basin. Comment
  UCD160344  Acmispon parviflorus Nellie Coffey 1931-2-1 s.n. Napa Chiles Valley. Comment
  UCD75710  Acmispon strigosus Jake Ruygt 1980-4-1 965 Napa Stags Leap. 213 Comment
  UCD15255  Acmispon wrangelianus Kathryn Specht 1984-4-28 7 Napa 5 miles east of Coyote Knoll off of Knoxville road. 121 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
  JEPS44789  Adenostoma fasciculatum W. L. Jepson 1915-12-6 6584 Napa Howell Mt. Comment
  JEPS44791  Adenostoma fasciculatum W. L. Jepson 1904-6-3 2448 Napa Howell Mt. Comment
  UC555288  Adenostoma fasciculatum H. L. Mason 1925-1-22 1203 Napa Wooden Valley Grade Comment
  UCD118633  Adenostoma fasciculatum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and just north of Recreation Flat, on south facing slope. 389 Comment
  UCD160800  Adenostoma fasciculatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8680 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD49134  Adenostoma fasciculatum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct with S. Decker Canyon Rd. 228 Comment
  SBBG50562  Adenostoma fasciculatum var. fasciculatum B. Stanfield 1966-5-22 49 Napa 1 mi W of Monticello Dam, along St Hwy 128 Comment
  CAS-BOT-BC202654  Aesculus californica Severin A. Baumann 1953-7-4 9 Napa 3 mi. from Oakville on highway betw. Boyes Spring and Oakville 121 Comment
  POM255858  Aesculus californica Marion Ownbey, Ruth Ownbey 1938-7-9 1701 Napa 6 miles northeast of Napa. Comment
  UCD49077  Aesculus californica A. Collier; D. Caterson, S. Kenady 2002-5-4 8 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 30 m. 335 Comment
  JEPS110796  Agastache urticifolia Jake Ruygt 1989-6-17 2365 Napa Van Ness Canyon 585 Comment
  UCD164733  Agastache urticifolia Jake Ruygt 2014-6-9 5992 Napa Livermore Ranch, Cub Valley. 657 Comment
  JEPS104514  Agoseris grandiflora Jake Ruygt 1982-5-1 1303 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  SBBG7511  Agoseris grandiflora H. and M. Dearing 1939-5-2 3829 Napa near Napa Comment
  UC584445  Agoseris grandiflora var. grandiflora J. Jenkins 1936-1-1 Napa Mt. Veeder Mt. Veeder Comment
  JEPS104537  Agoseris heterophylla Jake Ruygt 1993-4-12 3197 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  JEPS18236  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa near the hot springs at the airport Calistoga 91 Comment
  UC635556  Agoseris hirsuta Herbert L. Mason 1926-3-20 2748 Napa marshes s of, along railroad right of way Calistoga Comment
  JEPS104577  Agoseris retrorsa Jake Ruygt 1982-5-26 1293 Napa Mt. St. Helena toward The Palisades. Deter Reservoir 7.5' Quad. 731 Comment
  POM126093  Agrostis elliottiana Joseph P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 518 Comment
  UC1103391  Agrostis elliottiana Joseph P. Tracy 1933-6-2 12462 Napa head Moore's Creek (Howell Mountain,l 3-4 mi e of Angwin's, La Jota Plateau); Northern Coast Ranges, Howell Mt., Moore's Creek 518 Comment
  CAS-BOT-BC127139  Agrostis exarata John Thomas Howell 1940-5-19 15445 Napa Near Calistoga. Comment
  UCD52311  Agrostis exarata Beecher Crampton 1965-7-7 7441 Napa N end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  UCD32918  Agrostis exarata var. monolepis Beecher Crampton 1965-7-7 7441 Napa Napa County, north end of Capell Valley, Hwy. 128, above Capell Creek. Comment
  CAS-BOT-BC139730  Agrostis gigantea Peter H. Raven 1951-6-26 3049 Napa East of Napa on Monticello Road. 60 Comment
  CAS-BOT-BC139522  Agrostis hallii Peter H. Raven 1951-6-24 3013 Napa Browns Valley. 30 Comment
  RSA128661  Agrostis hallii P. H. Raven 1950-6-20 2354 Napa Napa Range between Conn Valley and Howell Mountain Comment
  POM126100  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  UC1059033  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa 2 mi n Calistoga; meadow from waters supplied by Myrtledale Hot Springs Comment
  UC1103385  Agrostis microphylla Joseph P. Tracy 1899-7-5 344 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., head Moore's Creek 365 Comment
  POM126110  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Hills east of Calistoga 244 Comment
  HSC8860  Aira caryophyllea C. B. Wolf 1928-5-3 1809 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  UC1585992  Allium amplectens Barbara Ertter with Annetta Carter 1989-5-28 8516 Napa on Berryessa Rd. 2 mi se Lake Co. Line (near Knoxville) 609 Comment
Read comments
Jan 14 2009
  CAS-BOT-BC461085  Allium amplectens Lester Rowntree 1938-5-16 s.n. Napa Alta Peack [Atlas Peak?], near Napa Comment
  CAS-BOT-BC461091  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  UC1042340  Allium amplectens Lewis S. Rose 1954-5-24 54058 Napa 6 mi ne Napa (summit, Wooden Valley grade); Wooden Valley grade Comment
  UCD167996  Allium cratericola James A. Neilson Jr. 1977-4-13 3863 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
  CAS-BOT-BC466762  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  HSC2942  Allium falcifolium Greg Bos 1963-3-24 47 Napa NW end of Lake Berryessa, at Putah Creek 457 Comment
  HSC42404  Allium falcifolium Dale McNeal 1977-5-18 2033 Napa Small rd. cut on Hwy. 128, 0.2 mi. SE of the junction of Lower Chiles Valley Rd. Comment
  RSA3283  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles east of Pope Valley. Comment
  UCD48254  Allium falcifolium K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 4 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 545 Comment
  RSA195377  Allium falcifolium Gilbert Muth 1967-4-16 630 Napa Snell Valley. 183 Comment
  SEINET3884605  Allium falcifolium D. W. McNeal 1992-4-25 3878 Napa On disturbed hillside above the Knoxville-Berryessa Rd., 1.8 mi S. of the Lake Co. line.; 0 Comment
  UC353887  Allium falcifolium Milo S. Baker 1927-5-1 2147 a Napa Calistoga-Middletown Hiway 3 or 4 mi n Toll House Comment
  UCD138521  Allium falcifolium M. Ensign 1943-5-28 327 Napa 26 miles from Monticello on road to Lower Lake. Comment
  POM182677  Allium fimbriatum var. fimbriatum David D. Keck 1931-4-3 1083 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  UC608386  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  UCD161517  Allium lacunosum var. lacunosum Jake Ruygt 1990-5-5 2529 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  JEPS122682  Allium peninsulare var. franciscanum Jake Ruygt 2000-5-17 4254 Napa Highway 12 NW of Duhig Road on di Rosa Preserve. Quad: Napa. Comment
  JEPS110934  Allium serra Jake Ruygt 1986-3-22 1661 Napa Monticello Dam 146 Comment
  CAS-BOT-BC475560  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  SEINET3879166  Allium serra D. W. McNeal 1978-4-29 2114 Napa Above the Lake Berryessa-Lower Lake rd., 1.2 mi N of Knoxville.; 0 Comment
  UCD148578  Allium triquetrum Jake Ruygt 2006-4-15 4979 Napa Napa County; Calistoga. Highway 29, about 0.5 mi. south of Lincoln Ave. 111 Comment
  JEPS56392  Allium unifolium Willis L. Jepson 1894-5-1 20986 Napa Conn Valley Napa Range, Conn Valley Comment
  UCD21722  Allium unifolium Robin McMaster 1972-4-25 82 Napa Pope Valley. Comment
Read comments
Dec 18 2011
  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
  JEPS58606  Alnus rhombifolia E. L. Greene 1874-8-13 Napa Napa Valley Comment
  JEPS129122  Alopecurus saccatus Jake Ruygt 2015-5-2 6086 f Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. 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
  RSA755731  Amaranthus californicus Barbara Ertter, Elizabeth Neese 1988-10-2 7969 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  UCD148561  Amaranthus californicus Jake Ruygt 1987-10-12 2098 Napa Napa County; Sage Canyon Rd., near edge of Lake Hennessey. 91 Comment
  UCD39199  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
Read comments
Jun 12 2012
  CAS-BOT-BC136744  Amelanchier utahensis Peter H. Raven 1953-5-2 5406 Napa Rector Creek 396 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
  CHSC102539  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS16026  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley Union sta.; Napa Valley Comment
  RSA92831  Ammi majus P. H. Raven 1950-7-4 2468 Napa 1 1/2 miles north of the Solano County line on Highway 29 Comment
  CDA27222  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 3 of 3. Comment
  UCD56009  Ampelodesmos mauritanicus M. Baker 1941-5-1 s.n. Napa Mt. St. Helena. Comment
  JEPS126073  Amsinckia eastwoodiae Jake Ruygt 1982-3-26 1146 Napa East of Rocktram, west of Highway 221. Napa 7.5' Quad. Comment
  UCD119266  Amsinckia intermedia Mary N. Artist 1965-3-19 7 Napa 3.5 miles E of Pope Valley. Comment
  UCD18151  Amsinckia intermedia Jean Shepard; with Plant Biology 102 class 2000-4-29 196 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD118744  Amsinckia menziesii Katherine Graham; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, near oak woodland. 388 Comment
  JEPS112621  Anagallis arvensis Jake Ruygt 1976-5-31 107 Napa .3 mile east of Hillcrest Dr. on Westgate Drive 79 Comment
  UCD170199  Anagallis arvensis Daniel Potter 2015-3-14 758 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 358 Comment
  CAS-BOT-BC64137  Ancistrocarphus filagineus John Thomas Howell 1931-4-19 6446 Napa Conn Valley Comment
  CAS-BOT-BC64139  Ancistrocarphus filagineus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5326 Napa Soda Creek, e. of Chiles Valley 182 Comment
  CAS-BOT-BC64142  Ancistrocarphus filagineus John H. Thomas 1955-5-21 5171 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UC165851  Ancistrocarphus filagineus J. P. Tracy 1902-5-15 1457 Napa 3 to 4 mi e, (head of Moore's Creek) Angwin's; Howell Mt., Moore's Creek 457 Comment
  CAS-BOT-BC64140  Ancistrocarphus filagineus Peter H. Raven 1951-5-6 2822 Napa Silverado Trail 3/4 mile Conn Dam 182 Comment
  JEPS40581  Ancistrocarphus filagineus W. L. Jepson 1915-4-23 6264 Napa hills Chiles Creek Comment
  RSA393785  Ancistrocarphus filagineus J. T. Howell 1931-4-3 6129 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range. Comment
  UCD143049  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  JEPS14088  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UCD126261  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
  RSA0000647  Angelica tomentosa var. elata W. L. Jepson 1895-8-30 13484 Napa Upper Napa Valley. Napa River Basin. Near Calistoga. Comment
  UCD129050  Anthemis cotula Kamala Crompton 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD56246  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, along Hwy. 53. Comment
  RSA82871  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa East side of Napa Valley, ca. 2 miles north of St. Helena Comment
  JEPS21670  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa about 2 mi sw Oakville 152 Comment
  JEPS81873  Antirrhinum kelloggii Roger Raiche 1982-5-1 20318 A Napa Atlas Peak Road 304 Comment
  RSA132844  Antirrhinum kelloggii John H. Thomas 1958-4-19 7123 Napa About 2 miles SW of Oakville. 152 Comment
  JEPS83371  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 332 Napa 0.1 to 0.3 mi e Hwy 128 jct with rd to Spanish Flat Resort on Lake Berryessa (on n side of road to Spanish Flat Resort); Capell Valley Quad. (7.5', 1968) 198 Comment
  UC178334  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Katharine Brandegee 1910-7-26 Napa Aetna Springs Comment
  JEPS83352  Antirrhinum virga David M. Thompson 1983-6-16 334 Napa Twin Peaks Mine area along gravel road next to Bateman Creek (This gravel road starts at the junction of Oat Hill Road and Livermore Road Twin Peaks Mine area along gravel road next to Bateman Creek (Napa/Lake Co. line); Detert Reservoir Quad. (7.5', 1958) 579 Comment
  POM202741  Aphanes occidentalis I. L. Wiggins 1932-4-12 5763 Napa Hillside betw Franz Valley and Calistoga Comment
  UCR198092  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UCD161349  Apocynum androsaemifolium Jake Ruygt 1986-6-28 1843 Napa Mt. St. Helena along Highway 29, mile 45.93. (Coordinates estimated by label maker at UC Davis). 640 Comment
  JEPS19477 Image available Apocynum androsaemifolium Willis L. Jepson 1893-6-26 14622 Napa e St. Helena (valley floor); Napa River Basin; valley floor, E of St. Helena, Napa River Basin Comment
  CAS-BOT-BC392030  Aquilegia eximia John Thomas Howell 1933-8-27 11636 Napa Sage Canyon, Napa Range Comment
  JEPS110886  Aquilegia eximia Jake Ruygt 1979-7-4 740 Napa 2.1 miles east of Silverado Trail on HWY 128 109 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
  JEPS53030  Arabis glabra Willis L. Jepson 1893-4-24 32 c Napa hills e St. Helena (to Conn Valley grade); Napa River Basin Comment
  RSA470446  Aralia californica T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  CAS-BOT-BC128666  Arbutus menziesii Elsa G. Ruckert 1960-3-26 49 Napa 6495 Dry Creek Road - Private road east of house 300 yards 365 Comment
  HSC83430  Arbutus menziesii R. Robichaux 1975-5-18 122 Napa 3.5 mi. W of Oakville 274 Comment
  UC876364  Arbutus menziesii Alice Eastwood 1922-3-25 11105 Napa Calistoga Comment
  UCD118558  Arbutus menziesii Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD20033  Arbutus menziesii C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1205 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  CAS-BOT-BC407751  Arceuthobium abietinum W. L. Jepson 1893-1-1 s.n. Napa Conn Valley, Napa River Basin Comment
  JEPS40130  Arceuthobium campylopodum W. L. J. 1897-7-12 Napa Samuel's Springs 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
  LA28777  Arctostaphylos canescens E. A. Goldman; 1907-12-28 63 Napa Mount Saint Helena 914 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-BC24014  Arctostaphylos canescens subsp. canescens C. Hart Merriam; Vernon O. Bailey 1907-10-15 s.n. Napa Cuyamaca Mt. 1219 Comment
  SDSU1489  Arctostaphylos canescens subsp. canescens D. F. Howe 1969-6-7 4634 Napa 2 miles south of Lake-Napa Co. line. 518 Comment
  UC674755  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena Comment
  UCD148752  Arctostaphylos canescens subsp. canescens Jake Ruygt 2008-5-3 5319 Napa Napa County; Mt. St. Helena along fire trail, south side. 990 Comment
  JEPS120407  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5498 Napa Archer Taylor Preserve, east slope of Bismark Knob above Devil's Well. Comment
  POM286162  Arctostaphylos canescens var. candidissima Lyman Benson 1928-11-3 395 Napa S. of Middletown, north side Mt. St. Helena. 762 Comment
  CDA11263  Arctostaphylos crustacea G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11918 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Comment
  UCD51495  Arctostaphylos glandulosa Collector unknown Date Unknown Napa Comment
  UCD82609  Arctostaphylos glandulosa Ellen Dean; T. Starbuck 2009-5-4 5547 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  RSA626917  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24803 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  CHSC23436  Arctostaphylos manzanita Robert A. Schlising; Glenn Keator 1962-1-25 2024 Napa California Coast Ranges. NW corner Napa County. Mt. Saint Helena Comment
  UCR26060  Arctostaphylos manzanita Michael J. Kelly 1975-3-24 33 Napa Right side of the road 10 mi east of the intersection of Hwys 128 and 29 across from Lake Berryessa 610 Comment
Read comments
Feb 9 2014
  UCSB32987  Arctostaphylos manzanita Haller, John 1979-5-4 Napa Mead Ranch; near Atlas Peak Road; about 5 miles (by road) north of State Highway 121; 9 miles north of Napa 487 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-BC24287  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade 2 mi. below Hawkins Mt. Canyon. Comment
  CAS-BOT-BC24288  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-28 84 Napa Calistoga. Comment
  CAS-BOT-BC24289  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-29 76 Napa St. Helena. Comment
  CAS-BOT-BC38760  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa wooden Valley Grade Comment
  CAS-BOT-BC38762  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7948 Napa Mt. St. Helena Comment
  CAS-BOT-BC38775  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-2-22 6413 a Napa Hills just north of White Sulfur Springs, w. of St. Helena 152 Comment
  UC2026414  Arctostaphylos manzanita subsp. manzanita Louis C. Wheeler 1952-8-30 6877 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  CAS-BOT-BC43833  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 a Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43871  Arctostaphylos stanfordiana Alice Eastwood 1907-3-29 s.n. Napa Mt. St. Helena Comment
  HSC7716  Arctostaphylos stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles W of Angwin 244 Comment
  LA42285  Arctostaphylos stanfordiana Lewis S. Rose; 1939-4-16 39071 Napa 4 mi. NE of Napa 198 Comment
  RSA636804  Arctostaphylos stanfordiana G. Gunnarson 1978-3-21 066 Napa 4 miles north on CA 121 past junc. of CA 121 and CA 128. Comment
  UC205100  Arctostaphylos stanfordiana Katharine Brandegee Napa Anguins Comment
  UC571226  Arctostaphylos stanfordiana H. L. Mason 1926-1-2 2611 Napa Toll House Canyon Mount St. Helena Comment
  UC924271  Arctostaphylos stanfordiana H. S. Reed 1939-4-16 229 Napa Napa Hills Comment
  UCR23649  Arctostaphylos stanfordiana John C. Roos 1939-1-21 300 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCD73391  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  RSA123384  Arctostaphylos stanfordiana subsp. stanfordiana A. E. Wieslander 1934-2-24 365 Napa Spring Mountain. 640 Comment
  RSA15667  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA181909  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1936-12-7 17992 Napa Howell Mt. Comment
  JEPS106410  Arctostaphylos tomentosa subsp. crustacea Jake Ruygt 1990-4-1 2449 b Napa south of Leoma Lakes, Wild Horse Valley Ranch 432 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
  UC876395  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1937-4-4 37017 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  UCD47967  Arctostaphylos viscida Ari Houser; J. Westbrook, S. Ratay, M. Disney,R. Wolfson,S. Wathen 2000-4-22 32 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCD52447  Arctostaphylos viscida Roman Gankin 1966-2-26 681 Napa Next to roadway at gate; property west of Macdonald Ranch, Las Posadas State Forest, Napa County, California. Comment
  UCR26056  Arctostaphylos viscida Michael J. Kelly 1975-3-24 35 Napa on left side of road 15 mi east of intersections of Highways 128 and 29. 854 Comment
  UCR43194  Arctostaphylos viscida L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  POM202664  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena Comment
  JEPS38778  Arctostaphylos viscida subsp. viscida W. L. Jepson 1916-8-6 6826 Napa Moore's Creek Howell Mountain Comment
  JEPS58782  Arctostaphylos viscida subsp. viscida W. L. Jepson 1938-5-22 18829 Napa Snell Valley Comment
  CAS-BOT-BC400456  Aristolochia californica Annetta M. Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pope Valley Comment
  JEPS32455  Aristolochia californica Willis L. Jepson 1900-3-9 507 Napa Stone Bridge, St. Helena Napa R. Basin, St. Helena Comment
  LA76972  Aristolochia californica Annetta M. Carter; 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 mi. out of Rurtherord on road to Pope Valley Comment
  SBBG16136  Aristolochia californica H. and M. Dearing 1940-3-20 4147 Napa near Napa Comment
  UC65023  Aristolochia californica E. Kelly 1905-5-27 Napa near Napa Comment
  UCD48560  Aristolochia californica C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 7 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail, 45 ft. NW of jct with West Rd. 152 Comment
  CAS-BOT-BC84952  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa Hills due e. Yountville 152 Comment
  JEPS7805  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa hills due e of Yountville 152 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
  JEPS104559  Asarum caudatum Jake Ruygt 1980-3-30 821 Napa Van Ness Canyon 609 Comment
  UC22963  Asclepias cordifolia Willis L. Jepson 1894-5-1 Napa St. Helena Napa River Basin Comment
  UCD121260  Asclepias cordifolia Dan Kurtak 1969-5-3 50 Napa Near Chiles Creek on Pope Valley Road 2 miles south of junction with Lower Chiles Valley Road. Comment
  UCD121287  Asclepias cordifolia M. Wiesendanger 1927-5-4 691 Napa Monticello-Napa Rd. Comment
  UCD148097  Asclepias eriocarpa Jake Ruygt 2002-8-24 4451 Napa Calistoga; northwest corner of Mora Lane and Silverado Trail. 124 Comment
  UCD20615  Asclepias eriocarpa E. Dean; with M. Bibbo 2002-7-5 1162 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  JEPS49860  Asclepias eriocarpa W. L. Jepson 1917-8-16 7433 Napa Knights Valley Comment
  CAS-BOT-BC478837  Asparagus officinalis Peter H. Raven 1955-8-27 8759 Napa Cuttings Wharf 3 Comment
  CAS-BOT-BC68860  Aspidotis californica Peter H. Raven 1950-4-15 1747 Napa Wooden Valley Grade above Napa 457 Comment
  UCD20502  Aspidotis californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1073 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
  JEPS60031  Aspidotis densa W. L. Jepson 1938-5-22 18815 Napa Limekiln Creek Canyon; Pope Valley Comment
  RSA52712  Aspidotis densa I. L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake county border 854 Comment
  POM41975  Aster subspicatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA481899  Astragalus claranus Aaron Liston, James D. Morefield 1988-3-19 706 -1 Napa Northeast side of Lake Hennessey; 4.3 miles ESE of Howell Mountain Road on Conn Valley Road. 100 Comment
  JEPS107255  Astragalus clevelandii Jake Ruygt 1998-7-6 4077 b Napa Butts Canyon about 0.3 mile north of Snell Valley Road. 377 Comment
  CDA11592  Astragalus gambelianus G. F. Hrusa, S. Larson 1995-4-1 12058 Napa North Coast Biodiversity Arena; Approx. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  JEPS85041  Astragalus gambelianus Larry Heckard and Mary Ashton 1969-5-3 2193 Napa ca 7 mi ne Napa (Mead Ranch off the Atlas Peak Rd.); ne of Napa 457 Comment
  UCD144414  Astragalus gambelianus G. F. Hrusa; S. Larson 1995-4-10 12058 Napa Approximately 1 m. below bridge over Pope Creek, on Pope Canyon Road. 175 Comment
  CAS-BOT-BC178294  Astragalus gambelianus Peter H. Raven 1955-3-20 8245 Napa Slopes just below Hennessey Lake, Conn Valley. 121 Comment
  CAS-BOT-BC27753  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  JEPS41083  Astragalus rattanii var. jepsonianus Rimo Bacigalupi and L. R. Heckard 1965-5-15 9095 Napa about 1 mi e Devilhead Road ((from Cedar Valley to Knoxville), at edge of small valley, along Zim Zim Creek); along Zim Zim Creek 487 Comment
  UC1198295  Athysanus pusillus Joseph P. Tracy 1902-5-15 1461 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD18022  Athysanus pusillus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 567 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
  UCD19951  Athysanus pusillus E. A. Dean; Virginia Boucher 2002-2-28 893 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  CAS-BOT-BC145930  Avena fatua Beecher Crampton 1956-3-13 3228 Napa State Highway 128, 1 mile south of Rutherford, Napa Valley. Comment
  UCD159941  Avena fatua 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
  UCD18010  Avena fatua Ellen Dean; with Plant Biology 102 class 2001-4-28 742 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  UCD38527  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford. Comment
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  UC30352  Baccharis pilularis Willis L. Jepson 1892-10-22 Napa St. Helena Comment
  CAS-BOT-BC16527  Barbarea orthoceras David D. Keck 1931-4-2 1015 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa. 170 Comment
  CAS-BOT-BC16528  Barbarea orthoceras Betty H. Johnson 1958-6-15 641 Napa 0.25 mile above Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  CAS-BOT-BC16529  Barbarea orthoceras Peter H. Raven 1953-5-2 5408 Napa Rector Creek. 396 Comment
  UCD114278  Barbarea orthoceras G. F. Hrusa; G. L. Stebbins 1994-3-11 11601 Napa Ink Grade, approx. 2 m. NE of angwin. 450 Comment
  POM182713  Barbarea verna D. D. Keck 1931-4-2 1015 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCR267445  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve; Hunting Creek between Hunting Creek Campground and contractor road 366 Comment
  JEPS126098  Bassia hyssopifolia Jake Ruygt 1992-7-14 3094 Napa Southwest of American Canyon Creek near county line. Cuttings Wharf 7.5' Qua. Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  JEPS75994  Beckmannia syzigachne W. L. Jepson 1936-6-2 17608 Napa hills to e Yountville (e side of road); Napa Valley Comment
  UCD56792  Beckmannia syzigachne Rimo Bacigalupi 1947-4-13 2817 Napa 6 miles SE of Yountville. East side of Napa Valley. Along Silverado Hgihway. Comment
  UCD167382  Bellardia trixago Eric LoPresti 2016-5-3 18 Napa McLaughlin UC Reserve. Old town of Knoxville, by gate at Knoxville-Berryessa Road. 396 Comment
  UCD170441  Bellardia trixago Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 913 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 407 Comment
  UCD48229  Bellardia trixago K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 28 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of creek, east of Old Knoxville Rd. 426 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
  CHSC102255  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD161251  Berula erecta Jake Ruygt 3 July1999 4199 Napa American Canyon, north side of quarry. (Coordinates estimated by label maker at UC Davis). 94 Comment
  CAS-BOT-BC100270  Blennosperma nanum var. nanum John Thomas Howell 1926-3-27 1753 Napa Soscol Comment
  UCD74382  Boechera breweri Jake Ruygt 2006-4-29 5005 Napa Near Palisades Trail, S of Table Rock. Detert Reservoir. 606 Comment
  JEPS106771  Boechera breweri subsp. breweri Jake Ruygt 1981-4-4 969 Napa Three Peaks 743 Comment
  JEPS49665  Boykinia occidentalis Mary Alice King July 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  CAS-BOT-BC36762  Brassica rapa Elsa G. Ruckert 1960-2-20 4 Napa 6495 Dry Creek Road. 365 Comment
  UCD167363  Brassica rapa James Neilson 1981-3-30 4001 Napa Foothills above vineyards along Hwy 29, 5 miles north of Calistoga. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD20758  Brickellia californica M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 108 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UCD121153  Briza maxima Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7349 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  JEPS76094  Briza minor W. L. Jepson 1938-5-25 18857 Napa Howell Mt. Napa Range (meadow on road into Bell Canyon) 579 Comment
  SACT000478  Briza minor John Willoughby 1979-5-25 Napa Pansy Flat, in open grassy areas below stock pond 609.6 Comment
  UCD164492  Brodiaea elegans A. Amezcua 1995-5-26 23 Napa 300 m west of Berryessa- Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  JEPS110909  Brodiaea elegans subsp. elegans Jake Ruygt 1976-5-17 87 Napa .3 mile east of Hillcrest Dr. on Westgate Drive 79 Comment
  JEPS7654  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House; Mount Saint Helena Comment
  UCD139166  Brodiaea elegans subsp. elegans L. P. Thibault 1995-6-2 55 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  UCD160680  Brodiaea elegans subsp. elegans Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8752 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
  RSA376767  Brodiaea elegans subsp. elegans Robert Gustafson, Don Reynolds 1983-6-7 2742 Napa Snell Valley Road, about 1 mile northeast from the jct of Butts Canyon Rd. Comment
  CAS-BOT-BC484196  Brodiaea elegans var. elegans Alice Eastwood 1915-6-5 4633 Napa Calistoga in marsh Comment
  JEPS129040  Brodiaea leptandra Jake Ruygt 2016-6-6 6276 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  UCD77156  Brodiaea leptandra Robert E. Preston 2002-6-17 1820 Napa Ca. 1.6 mi sw of Pope Valley, along Ink Grade, 0.36 mi n of its jct with Howell Mtn Rd. 518 Comment
  SEINET10839784  Bromus arvensis Ana Maria Planchuelo 1980-1 Planchuelo 508 Napa Route 128 between winters and rutherford. Comment
  CDA10912  Bromus carinatus G. F. Hrusa, M. Rejmanek 1993-5-15 11008 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD36943  Bromus carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD36952  Bromus carinatus Beecher Crampton 1956-5-25 3482 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  JEPS123014  Bromus carinatus var. carinatus Jake Ruygt 1991-4-17 2622 b Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Quad: Rutherford. Comment
  RSA10672  Bromus commutatus C. B. Wolf 1928-5-3 1817 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS75999  Bromus japonicus W. L. Jepson 1936-6-1 17591 Napa w side of Four Corners (Howell Mt.); Howell Mountain, Four Corners Comment
  JEPS129106  Bromus laevipes Jake Ruygt 2016-5-3 6223 Napa Canyon south of Oil Well Road; E of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD20425  Bromus laevipes E. Dean; w/ PLB 102 class 2002-5-4 1012 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
  UCD58878  Bromus laevipes Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  UCD58948  Bromus laevipes J. Street 1950-1 s.n. Napa 4 mi. E of Rutherford. Comment
  UCD95906  Bromus laevipes Ellen Dean; with Clare Loughran 2011-5-20 7047 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCSC000048  Bromus laevipes August L. Hormay 1932-6-19 s.n. Napa Mt. St. Helena 4-5 miles South East of Middleton Comment
  CAS-BOT-BC161830  Bromus rubens Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5333 Napa Pope Creek east of Samuels Springs. 91 Comment
  UCD59612  Bromus rubens Beecher Crampton 1965-6-30 7394 Napa Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  UCD73502  Bromus sterilis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD48083  Calandrinia breweri B. Takahashi; S. Burgess, A. Ryan, J, Pierner, A. Hufton 2000-4-29 3 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  JEPS85054  Calandrinia ciliata Larry Heckard and Mary Ashton 1969-5-3 2198 Napa ca 7 mi ne Napa (off the Atlas Peak Rd.); Mead Ranch 457 Comment
  SEINET5726743 Image available Calandrinia ciliata Kim Page 1965-1 5 Napa Dollarhide Road, ca. 3 miles east from Pope Valley.; Pope Valley Comment
  UCR12023  Calandrinia ciliata var. menziesii Coleta A. Lawler 1964-3-24 08 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  UC146148  Callitriche heterophylla var. bolanderi J. P. Tracy 1902-5-21 1614 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  JEPS120389  Callitriche heterophylla var. bolanderi Jake Ruygt 1983-4-7 1177 Napa east of Rocktram, west of Hwy 221, Suscol Plain 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
  CAS-BOT-BC85796  Calocedrus decurrens Carl B. Wolf 1928-2-25 1508 Napa 3 miles north of summit of Mt. St. Helena Grade Comment
  UCD139481  Calochortus amabilis R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD48262  Calochortus amabilis R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 4 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD70478  Calochortus amabilis P. J. Plummer 1995-5-27 s.n. Napa Napa County W of city of Winters, off hwy 128. Shaded woodland. Herbs; flowers nodding and bright yellow. 335 Comment
Read comments
May 20 2010
  UCD73425  Calochortus amabilis Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC488484  Calochortus amabilis David D. Keck 1933-5-28 2330 Napa Howell Mountian, north side, 1 mile above Pope Valley, P.O. Comment
  JEPS61635  Calochortus amabilis Elizabeth Ferguson 1920-5-15 340 Napa Putah Creek Comment
  SEINET5725020 Image available Calochortus amabilis Richard Beaver 1965-1 151 Napa on a slope with various shrubs, sandy clay soil; 10 miles north of the junction of Highway 128 with Highway 121. Comment
  SEINET8194296  Calochortus amabilis M. Ackley 1968-5-12 1191 Napa Napa Valley. 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
  UCD41332  Calochortus luteus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 7 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 434 Comment
  UCD73515  Calochortus luteus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC492543  Calochortus luteus Tom Craig 1941-6-18 s.n. Napa Road between St. Helena and Pope Valley, N.E. of St. Helena Comment
  CAS-BOT-BC492545  Calochortus luteus Wayne Roderick 1967-5-20 s.n. Napa Snell Valley 457 Comment
  JEPS61687  Calochortus luteus W. L. Jepson 1943-5-15 20773 Napa 2 mi n Oak Grove School; Berryessa Valley Comment
  UC1197695  Calochortus luteus Joseph P. Tracy 1938-6-6 15843 Napa between Napa City and Yountville 30 Comment
  SD133928  Calochortus superbus Barbara Ertter, Annetta Carter 1989-5-28 8501 Napa Berryessa-Knoxville Road, north of Lake Berryessa, 4.7 miles south of Knoxville tunnel, grassland in Oak-Digger Pine woodland along Eticuera Creek. 305 Comment
  CAS-BOT-BC483610  Calochortus tolmiei Ira L. Wiggins 1949-4-30 12092 a Napa Mount St. Helena near Lake County Line Comment
  CAS-BOT-BC132619  Calochortus uniflorus Alice Eastwood 1915-6-5 4632 Napa Calistoga Comment
  POM182666  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UC843712  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  UCD167143  Calochortus vestae Jake Ruygt 2015-5-2 6088 Napa West of Buck Mountain nea Nevada Creek. 461 Comment
  CAS-BOT-BC496926  Calochortus vestae David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS129050  Calycadenia fremontii Jake Ruygt 2016-7-23 6295 Napa Smittle Creek, west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  RSA255488  Calycadenia multiglandulosa subsp. cephalotes Gerald D. Carr 1971-6-17 566 Napa Jct. of Howell Mt., Deer Park, and White Cottage Roads 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
  UCD129808  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles north of Hwy 128. Comment
  RSA255519  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles SW of Berryess-Knoxville Road via Devilhead Rd. Comment
  RSA255580  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road 610 Comment
  RSA255582  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 miles NW of Knoxville on Morgan Valley Road 457 Comment
  RSA255607  Calycadenia pauciflora Gerald D. Carr 1972-9-14 734 Napa 1.5 miles east of Howell Mt. Road on Conn Valley Road 122 Comment
  UCD129823  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 1/4 mile west of Berryessa-Knoxville Road on Highway 128. Comment
  UCD129844  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. Comment
  UCD129845  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road, serpentine. Comment
  UC1953744  Calycadenia truncata R. L. Carr 1986-10-2 2264 Napa Ca. 0.5 mi S of Pacific Union College Campus (first road cut S of Angwin) on rocky flat above road (=GDC 682) Comment
  CAS-BOT-BC271551  Calycadenia truncata subsp. truncata C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC271563  Calycadenia truncata subsp. truncata Peter H. Raven 1951-8-21 3868 Napa Ridge se of Mt. Veeder 670 Comment
  CAS-BOT-BC271572  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271553  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa Base of hills east of town, St. Helena Comment
  CAS-BOT-BC271561  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271598  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-14 11945 Napa Howell Mt. Comment
  POM194202  Calycadenia truncata subsp. truncata J. T. Howell 1929-10-26 4533 Napa 0.5 mile north of Yountville, Napa Valley Comment
  POM215138  Calycadenia truncata subsp. truncata D. D. Keck 1933-11-10 2720 Napa 1 mile N of Yountville Comment
  RSA31986  Calycadenia truncata subsp. truncata A. A. Heller 1941-9-22 16317 Napa Roadside bank 1 mile north of Yountville. Comment
  CAS-BOT-BC90961  Calycanthus occidentalis Mrs. H. C. Cantelow 1940-4-21 2993 Napa Monticello Grade. Comment
  JEPS40318  Calycanthus occidentalis Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  POM255860  Calycanthus occidentalis Marion Ownbey, Ruth Ownbey 1938-7-9 1700 Napa 6 miles northeast of Napa. Comment
  RSA120932  Calycanthus occidentalis G. D. Barbe 1957-7-4 371 Napa 1 mile beyond the Christian Bros. Mt. LaSalle School, 7 miles W of State Hwy 29 and Napa on Redwood Rd. Comment
  UCD137894  Calycanthus occidentalis P. B. Kaufman 1950-4-28 37 Napa Putah Canyon. Comment
  UCD137899  Calycanthus occidentalis Andrew T. Leiser 1965-6-1 s.n. Napa Napa Mountains. Comment
  UCD170556  Calycanthus occidentalis D. O. Burge 2017-8-19 2284 Napa Lake Hennessey area, roadside on California State Route 128. 67 Comment
  CAS-BOT-BC221552  Calystegia collina subsp. collina R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6682 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  CDA33443  Calystegia collina subsp. collina Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. 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
  JEPS31598  Calystegia collina subsp. oxyphylla W. L. Jepson 1924-4-27 10381 Napa e Mt. St. Helena; e of Mt. St. Helena Comment
  JEPS31645  Calystegia purpurata Willis L. Jepson 1893-5-2 14518 Napa e Calistoga (New Pope Valley grade, Napa River Basin); Napa River Basin, e of Calistoga Comment
  CAS-BOT-BC224627  Calystegia purpurata subsp. purpurata Peter H. Raven 1952-5-26 4035 Napa St. Helena to Howell Mt. 304 Comment
  OBI15298  Calystegia purpurata subsp. purpurata R. L. Hoover 1968-4-20 56 Napa NE of jctn of Aetna Springs, Pope Valley, and Butts Cayn roads Comment
  UCD148997  Calystegia purpurata subsp. purpurata D. Woods; V. Popescu 2010-6-28 s.n. Napa along Devilshead-Knoxville Road. 450 Comment
  UC23177  Calystegia subacaulis Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  JEPS122730  Camissonia contorta Jake Ruygt 1991-5-11 2666 Napa Intersection Aetna Extension Road with Oat Hill Mine Road. Quad: Detert Reservoir. Comment
Read comments
Jun 18 2018
  UC20542  Camissonia contorta Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  RSA186745  Camissonia hirtella Peter H. Raven 1965-5-15 20206 Napa Nevada Creek, 5 miles SSE of Knoxville 335 Comment
  JEPS122731  Camissoniopsis intermedia Jake Ruygt 1989-4-22 2279 Napa About 1/2 mile south of Monticello Dam on Vaca Mts. Quad: Monticello Dam. Comment
  UCD69010  Campanula griffinii P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  CDA12074  Cardamine californica G. F. Hrusa, J. Messina 1989-3-3 5879 Napa North Coast Biodiversity Arena; Hwy. 128 W of Monticello Dam (Lake Berryessa). Comment
  JEPS106835  Cardamine californica var. integrifolia Jake Ruygt 1981-3-23 954 Napa across HWY 29 (221) from Kaiser Rd. 10 Comment
  JEPS106834  Cardamine californica var. sinuata Jake Ruygt 1979-4-14 510 Napa Aetna Springs Extension Road 475 Comment
  UCD38974  Carduus pycnocephalus Beecher Crampton 1961-6-12 5897 Napa Wragg Canyon, Vaca Mts. along State Hwy. 128. Comment
  UCD41308  Carduus pycnocephalus Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  CAS-BOT-BC281732  Carduus pycnocephalus Betty H. Johnson 1958-6-15 627 Napa 6.4 miles SW of [unreadable] Comment
  CDA11435  Carex amplifolia G. F. Hrusa, M. Tu 1995-5-6 12158 Napa North Coast Biodiversity Arena; In wet creek bed under shade of redwoods along Moores Creek in Las Posadas State Forest. Dense rhizomatous colony. Comment
  UC50828  Carex amplifolia J. P. Tracy 1902-5-21 1606 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  JEPS121331  Carex barbarae Jake Ruygt 1980-4-6 826 Napa Yount Street, Yountville Comment
  CAS-BOT-BC18903  Carex densa J. W. Stacey 1933-5-15 s.n. Napa Howell Mountain. Comment
  CAS-BOT-BC35072  Carex densa Peter H. Raven 1951-6-10 2948 Napa Crater Region of Palisades. 762 Comment
  UCD148832  Carex densa Ellen Dean; Diana Hickson 2014-4-29 8137 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD161742  Carex densa Jake Ruygt 1993-4-20 3216 Napa Yountville Ecological Reserve, Yountville Cross Road. 28 Comment
  CAS-BOT-BC19983  Carex feta Peter H. Raven 1952-5-26 4043 Napa Howell Mountain. 548 Comment
  UC1158106  Carex feta Joseph P. Tracy 1950-5-23 18670 Napa La Jota Plateau Howell Mountain 518 Comment
  UCD161706  Carex globosa Jake Ruygt 2010-6-21 5627 Napa Van Ness Canyon about 1/3 mile south of Wildwood house. (Coordinates converted from UTM data by label maker.) 609 Comment
  CAS-BOT-BC32051  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road above Pope Valley. Comment
  UC562284  Carex multicaulis Joseph P. Tracy 1933-4-30 12101 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  CDA37938  Carex nudata D. G. Kelch 2010-5-6 10 .164 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CAS-BOT-BC119513  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  CAS-BOT-BC119515  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  POM230030  Carex nudata Alice Eastwood, John Thomas Howell 1937-4-4 3826 Napa North of Wooden Valley. Comment
  SEINET10711629  Carex nudata Alice Eastwood, John Thomas Howell 1937-4-4 Eastwood 3826 Napa Rocky stream-bed near summit north of Wooden Valley. Comment
  SEINET3905219  Carex nudata Lewis S. Rose 1961-3-30 61024 Napa Conn Reservoir, Lake Hennessy.; 0 61 Comment
  UCD161614  Carex nudata Jake Ruygt 2002-3-23 4370 Napa Snell Valley, Missimer Wildflower Preserve. 219 Comment
  JEPS121328  Carex praegracilis Jake Ruygt 1996-5-14 3700 Napa White Cliff Springs; Elder Valley; (Sabini property). Comment
  UC2043155  Carex praegracilis Barbara Ertter with Jake Ruygt 1996-4-25 14603 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  CAS-BOT-BC117619  Carex serratodens R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6687 Napa Butts Canyon. 10 mi N of Howell Mt. Comment
  CDA13137  Carex serratodens G. F. Hrusa 1996-6-3 13072 Napa North Coast Biodiversity Arena; W side of Lake Hennessey approximately 1 mile E of Conn Dam. Comment
  CHSC83355  Carex serratodens L. P. Janeway; B. Castro 2002-5-12 7529 Napa Inner North Coast Ranges. Small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 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
  JEPS121330  Carex serratodens Jake Ruygt 1982-5-5 1237 Napa American Canyon Comment
  UC577191  Carex subfusca Lewis S. Rose 1935-6-4 35206 Napa e slope Mt. St. Helena Comment
  UCD167171  Carex tumulicola Jake Ruygt 2015-4-24 6081 Napa Sutro Ranch, east side of Atlas Peak. 629 Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS110635  Castilleja affinis subsp. affinis Jake Ruygt 1976-5-2 44 Napa 3.4 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  JEPS110629  Castilleja affinis subsp. neglecta Jake Ruygt 1986-5-17 1767 Napa .5 miles north of Flosden Rd. and American Canyon Rd. 170 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
  JEPS18268  Castilleja applegatei subsp. martinii Peter H. Raven 1957-5-5 10784 Napa w edge Calistoga 182 Comment
  JEPS4833  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4129 Napa Exactly 1 mile south of summit (St. Helena summit) of State Highway no. 29. Comment
  RSA93064  Castilleja applegatei subsp. martinii Milo S. Baker 1953-5-11 12650 Napa Mt. St. Helena Hwy, West side short distance above Hanley's. Comment
  JEPS21806  Castilleja attenuata Margaret Whitmore 1958-4-11 43 Napa 2 mi n Napa (on Atlas Peak road) 16 Comment
  JEPS110668  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-3-31 253 Napa Suscol hill west of HWY 29 (221) 9 Comment
  HSC45336  Castilleja foliolosa R. York 1978-4-8 105 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UC26422  Castilleja foliolosa Willis L. Jepson 1893-4-25 Napa Napa River Basin; trail to Caux's Cabin Comment
  UCD48226  Castilleja foliolosa C. Owens; A. Atamian, R. Brush, S. Olmsted, M. Furuyama 2000-4-29 16 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  SEINET12329994  Castilleja foliolosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -306 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UC1537568  Castilleja foliolosa Gordon H. True Jr. 1937-6-21 730 Napa Mt. George 304 Comment
  UCD117763  Castilleja lacera Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. Adjacent to serpentine slope. 386 Comment
  UCR179385  Castilleja lacera Katherine Esau 1932-5-3 s.n. Napa Napa Comment
  UCR44913  Castilleja minor subsp. spiralis L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  UC885436  Castilleja minor subsp. spiralis Milo S. Baker 1938-8-22 9222 Napa Lower Lake to Knoxville Road (just s of Lake-Napa County line) Comment
  UC194179  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1888 Napa Comment
  UCD123048  Castilleja rubicundula subsp. lithospermoides Gerald D. Carr; R. F. Denno 1971-5-13 544 Napa Roadside field, 1.0 mi N of jct. of Lower Chiles Valley Rd. with Calif. 128, on Lower Chiles Valley Rd. Comment
  JEPS2513 Image available Castilleja spiralis W. L. Jepson 1897-7-13 21113 Napa Butt's Canyon; ; Butt's Canyon, (Pope Valley to Coyote Valley), Napa Co. Comment
  JEPS58640  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1896-2-23 Napa near La Jota Falls (meadow); Napa River, Howell Mt. Comment
  CAS-BOT-BC47998  Ceanothus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  SEINET13946230 Image available Ceanothus Joseph Andorfer Ewan 1934-1 8862 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade. Comment
  CAS-BOT-BC83849  Ceanothus confusus D. O. Burge 2008-6-1 1006 c Napa Mount Saint Helena, eastern slopw of SE-most peak 1000 Comment
  JEPS110721  Ceanothus confusus Jake Ruygt 1977-3-27 163 Napa Mt. St. Helena 944 Comment
  CAS-BOT-BC48941  Ceanothus cuneatus John Thomas Howell 1930-7-13 5364 Napa Crater Country Comment
  CDA35563  Ceanothus cuneatus T. C. Fuller 1962-3-27 7897 Napa North of Hwy. 128, 5 miles west of Monticello Dam. 0 Comment
  UC1328142  Ceanothus cuneatus var. cuneatus Donald V. Hemphill 1940-3-22 45 Napa 2 mi w Angwin (Bell's Canyon) 518 Comment
  UCD123865  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-4-27 899 e Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 deg. (True) ENE of Rutherford. 270 Comment
  CAS-BOT-BC49111  Ceanothus cuneatus var. ramulosus Ira L. Wiggins 1932-3-12 5766 Napa Hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC64433  Ceanothus divergens H. E. McMinn 1941-10-12 5420 Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  POM304578  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  UCSB24496  Ceanothus divergens Baker, Milo Napa Franz Valley 5 miles west of Calistoga Comment
  HSC98204  Ceanothus foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 244 Comment
  RSA285633  Ceanothus foliosus D. C. Michener 1982-7-25 4116 Napa 2 miles SW of jct with college way in anguin. Comment
  RSA292971  Ceanothus foliosus Reino Alava 1957-5-30 1014 Napa along the road 2.5 miles from the town of Pope Valley on the road to St. Helena Comment
  SJSU5714  Ceanothus foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 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-BC50879  Ceanothus foliosus var. foliosus Peter H. Raven 1951-5-26 2891 Napa Howell Mtn. to St. Helena 243 Comment
  JEPS42434  Ceanothus foliosus var. foliosus W. L. Jepson 1924-4-6 10318 Napa Howell Mountain, Napa Range 914 Comment
  SBBG118108  Ceanothus foliosus var. foliosus C. Bornstein, E. Collins 2004-6-19 Napa Aetna Springs Rd, 1.9 mi W of jct with Pope Valley Rd 304 Comment
  SBBG32462  Ceanothus foliosus var. foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 Comment
  SBBG4190  Ceanothus foliosus var. foliosus E. R. Blakley 1956-12-23 2014 Napa trail to Linda Falls, Angwin 426 Comment
  UCD112138  Ceanothus foliosus var. foliosus Heidi E. M. Dobson 1978-5-6 318 Napa East slope of Mt. Veeder. Comment
  UCD82599  Ceanothus foliosus var. foliosus Ellen Dean; T. Starbuck 2009-5-4 5537 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC63746  Ceanothus incanus H. E. McMinn 1922-5-27 41 Napa Between Saratoga & Big Basin. Comment
  CAS-BOT-BC50791  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena 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
  CAS-BOT-BC51128  Ceanothus jepsonii var. albiflorus Peter H. Raven 1951-5-26 2884 Napa Butts Canyon 304 Comment
  CAS-BOT-BC51129  Ceanothus jepsonii var. albiflorus Mrs. Cornelia S. Masters s.n. Napa mountains of Napa Co. Comment
  CDA11425  Ceanothus jepsonii var. albiflorus G. F. Hrusa, M. Tu 1995-5-6 12148 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  JEPS110860  Ceanothus jepsonii var. albiflorus Jake Ruygt 1976-4-15 11 Napa 2.4 miles west of Butts Canyon Rd. on Aetna Springs Rd. 329 Comment
  RSA757817  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2008-6-1 DOB 1007 c Napa South of Butts Canyon, approximately 200 m east of Butts Canyon Road via unpaved track that begins 1.1 road miles south of the intersection between Butts Canyon Road and Snell Valley Road., 4.56 km 48 degrees true east-northeast of Aetna Springs. 340 Comment
  JEPS42435  Ceanothus jepsonii var. jepsonii W. L. Jepson 1924-4-27 10321 Napa a little below Toland House on Sanitarium Road Howell Mt. 548 Comment
  RSA0056202  Ceanothus jepsonii var. purpureus Keith E. Hoffmaster 1946-3-23 1226 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD19331  Ceanothus oliganthus M. A. Bibbo; E. Dean 2001-7-6 23 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
  UCD170194  Ceanothus oliganthus var. oliganthus Daniel Potter 2015-3-14 763 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 282 Comment
  JEPS110857  Ceanothus oliganthus var. sorediatus Jake Ruygt 1979-4-21 537 Napa Milliken Canyon 121 Comment
  UC924228  Ceanothus oliganthus var. sorediatus H. S. Reed 1939-4-16 222 Napa Napa Hills 60 Comment
  UCD49124  Ceanothus oliganthus var. sorediatus S. Murphy; K. Keck and K. Dyer 2002-5-5 10 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 450m. 327 Comment
  CAS-BOT-BC47999  Ceanothus parryi Peter H. Raven 1964-5-9 19061 Napa Edge of redwood grove along dirt road 2 miels west of Aetna Springs Comment
  CDA11179  Ceanothus parryi G. F. Hrusa 1988-4-16 5539 Napa North Coast Biodiversity Arena; along Pope Creek, immed. E of bridge crossing below Chiles Valley Rd. Comment
  POM125423  Ceanothus parryi Alice Eastwood 1923-5-9 11757 Napa Mount St. Helena. Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd Comment
  UC18399  Ceanothus parryi Willis L. Jepson 1893-5-4 Napa Creek Bed w Calistoga; Creek bed w of Calistoga Comment
  UC79859  Ceanothus parryi Katharine Brandegee 1889-4 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC79860  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCD112494  Ceanothus parryi Heidi E. M. Dobson 1978-5-6 319 Napa East slope of Mt. Veeder. Comment
  UCD95981  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7070 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
  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
  CAS-BOT-BC52187  Ceanothus purpureus H. E. McMinn 1923-5-25 964 g Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52188  Ceanothus purpureus H. E. McMinn 1925-1-23 1367 a Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52189  Ceanothus purpureus H. E. McMinn 1925-1-24 1367 b Napa Summit Wooden Valley Grade Comment
  CDA11157  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11568 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
  JEPS42096  Ceanothus purpureus Willis L. Jepson 1893-4-28 14027 Napa Milliken Creek, gorge N of Mt. George Napa River Basin Comment
  RSA758696  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 905 c Napa Atlas Road, at roadside 5.7 road miles north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 degrees true north-northeast of Napa. 410 Comment
  UC1281276  Ceanothus purpureus H. E. McMinn 1944-6-8 1385 D Napa Wooden Valley Comment
  UCD73418  Ceanothus purpureus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UC1543130  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley Napa (n slope of George Mountain, along Sarco Creek); George Mountain, Sarco Creek 152 Comment
  NY444421  Centaurea solstitialis A. D. E. Elmer 07 1903 4943 Napa Napa Comment
  UCD170454  Centaurium tenuiflorum Daniel Potter; Ninh Khuu 2016-6-8 883 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UC22688  Centaurium trichanthum H. N. Bolander 1863-1 2652 Napa Pope Valley Comment
  SEINET10741264 Image available Centaurium trichanthum Charles C. Parry Parry s.n. Napa Calistoga. Comment
  JEPS106657  Centromadia fitchii Jake Ruygt 1981-7-31 1086 Napa Suscol plain SE of Kaiser Steel 3 Comment
  JEPS38152  Centromadia fitchii W. L. Jepson 1930-10-19 15688 Napa Pope Valley Comment
  JEPS122713  Centromadia parryi subsp. parryi Jake Ruygt 1994-6-7 3397 Napa Calistoga Airport. Quad: Calistoga. Comment
  UC1199382  Centromadia parryi subsp. parryi Joseph P. Tracy 1939-10-14 16511 Napa Calistoga, Myrtledale Hot Springs 121 Comment
  UC762611  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC89053  Centromadia parryi subsp. parryi T. S. Brandegee 1892-8-1 Napa Calistoga Comment
  CAS-BOT-BC279254  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 miles north of Vallejo Comment
  JEPS110589  Cephalanthus occidentalis var. californicus Jake Ruygt 1991-7-20 2783 Napa Pope Creek at high water line of Lake Berryessa 131 Comment
  JEPS106731  Cerastium glomeratum Jake Ruygt 1982-3-2 1110 Napa north of HWY 12 near Huichica Creek 128 Comment
  JEPS51346  Cerastium glomeratum Willis L. Jepson 1897-5-2 Napa Napa River Basin, Rebecca Ranch Grade Upper Napa Valley, Napa River Basin, Rebecca Ranch Grade Comment
Read comments
Aug 24 2010
  UCD17984  Cerastium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-14 710 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD48851  Cerastium glomeratum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 10 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of Cut-Off Rd. 152 Comment
  RSA801719  Cercis occidentalis Keith E. Hoffmaster 1939-4-6 896 Napa Putah can. Comment
  UCD113050  Cercocarpus betuloides J. M. Tucker 1951-3-28 2066 Napa Beside road up south side of Howell Mountain, 5.6 miles north of St. Helena. Comment
  CAS-BOT-BC135482  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13063 Napa Wooden Valley Grade Comment
  CAS-BOT-BC135487  Cercocarpus betuloides var. betuloides Peter H. Raven 1950-6-20 2359 Napa Napa Range between Conn Valley and Howell Mtn. Comment
  CAS-BOT-BC135488  Cercocarpus betuloides var. betuloides Mrs. Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  UC419739  Cercocarpus betuloides var. betuloides Mrs. H. P. Bracelin 1930-7-13 26 Napa s slope of Mount St. Helena Comment
  UC90157  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Pacific Coast, Knoxville Comment
  UC894475  Chaenactis glabriuscula var. heterocarpha Milo S. Baker 1931-4-19 5413 Napa just nw of School house (along highway, Conn Valley); Conn Valley Comment
  UCD130360  Chaenactis glabriuscula var. heterocarpha Robert E. Preston 1988-4-10 575 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, 268 Comment
  CHSC103012  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  HSC100736  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, ~100 yd. E of Eticuera Creek, ~50 yd. S of Eticuera Parking Area at the NE end of causeway, on S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  RSA769220  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  SEINET10844555  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 Ahart 16437 -A Napa T8N, R3E, east border of southwest 1/4 Section 30. Normal size plant, on dry bare soil, below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3-4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SBBG128695  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa below high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera Parking Area at NE end of causeway on S side of Berryessa Knoxvill Rd, ca. 20 mi (air) NW of Winters 130 Comment
  UC869111  Chamaesyce serpyllifolia Milo S. Baker 1938-8-22 9224 Napa Lower Lake-Knoxville Road just S of Lake-Napa Co. line Comment
  JEPS68366  Cheilanthes gracillima L. R. Heckard 1972-6-26 3000 Napa se of lookout on peak of Mt St Helena (below radar station) 1188 Comment
  UCD149718  Chenopodium 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
  JEPS59713  Chenopodium ambrosioides W. L. Jepson 1892-10-22 Napa St. Helena Napa River Comment
  JEPS59730  Chenopodium californicum Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  CDA34152  Chenopodium pumilio L. Ahart, J. Dittes, J Guardino 2009-10-27 16484 Napa Lake Berryessa: about 100 yards east 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
  UCR261728  Chorizanthe membranacea Ann Howald 2003-5-23 2339 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  UC55747  Chorizanthe polygonoides var. polygonoides J. P. Tracy 1902-5-20 1564 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain, near Angwin Creek crossing on Howell Mountain Grade); Howell Mountain, head Moore's Creek 457 Comment
  CAS-BOT-BC285219  Cichorium intybus John Thomas Howell 1940-5-19 15443 Napa Near Napa Comment
  UCD127359  Cicuta douglasii Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  CDA1211  Cirsium douglasii var. douglasii T. C. Fuller, H. Stabo 1959-6-2 2647 Napa Southern Napa Co. 0 Comment
  OBI76876  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  CDA1305  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -B Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CAS-BOT-BC286576  Cirsium occidentale var. venustum Peter H. Raven 1950-6-20 2328 Napa St. Helena to Conn Valley, Napa Range Comment
  UCD161249  Cirsium occidentale var. venustum Jake Ruygt 1979-6-2 665 Napa 1.8 miles northwest of Atlas Peak Rd. on Monticello Rd. (Coordinates estimated by label maker at UC Davis). 182 Comment
  RSA0070870  Cirsium remotifolium J. T. Howell 1941-6-21 16314 A Napa Hills SW of St. Helena. Comment
  UCD104022  Clarkia amoena J. Buck 1996-6-2 24 Napa Highway 128 by Hennessey Lake on the side of the road. 48 Comment
  UCD63051  Clarkia concinna D. Sanchez-Mata 2006-6-11 s.n. Napa Turtle Rock-Rutherford. Lower Chiles Valley Road. Chiles Valley. 270 Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa Valley Comment
  SEINET5740167 Image available Clarkia concinna Sondra Pearman 1964-1 16 Napa State Hwy 128, ca. 3 miles SW of Monticello Dam.; Monticello Dam Comment
  UC972132  Clarkia concinna subsp. concinna Helen K. Sharsmith 1952-5-17 4072 Napa 3.8 mi n Capell Valley road junction; Inner North Coast Ranges, Steel Canyon 304 Comment
  RSA0060005  Clarkia concinna subsp. concinna Reino Alava 1957-5-30 980 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  SEINET12194286  Clarkia gracilis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -319 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD104543  Clarkia gracilis M. Ensign 1943-5-28 320 Napa 14 miles from Monticello on road to Lower Lake. Comment
  UCD104547  Clarkia gracilis R. C. Herner 1965-5-8 24 Napa State Highway 128, 8 miles W of Monticello Dam. Comment
  CAS-BOT-BC164534  Clarkia gracilis subsp. albicaulis Peter H. Raven 1952-6-28 4210 Napa Chiles Valley 243 Comment
  CAS-BOT-BC164629  Clarkia gracilis subsp. gracilis Peter H. Raven 1952-5-26 4041 Napa St. Helena to Howell Mt. 304 Comment
  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
  JEPS120373  Clarkia gracilis subsp. sonomensis Jake Ruygt 1998-6-13 4025 Napa Redwood Road at Mt. Veeder Road. Napa 7.5' Quad. Comment
  UC422847  Clarkia gracilis subsp. sonomensis H. P. Chandler 1907-5-26 7587 Napa White Sulphur Spring St. Helena Comment
  JEPS110764  Clarkia gracilis subsp. tracyi Jake Ruygt 1980-6-22 939 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  UCD104571  Clarkia gracilis subsp. tracyi L. P. Thibault 1995-6-2 61 Napa West side of Lower Chiles Valley Road, 1/4 mile NW of Highway 128. 300 Comment
  UCD63050  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UCD104922  Clarkia purpurea subsp. quadrivulnera Heidi E. M. Dobson 1978-6-14 339 Napa East slope of Mt. Veeder. Comment
  UCD160774  Clarkia purpurea subsp. quadrivulnera Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8653 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  JEPS43571  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1893-6-24 14339 Napa grade to Napa Soda Springs; Napa Range Comment
  UCD167276  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1986-5-10 1759 Napa Devil's Canyon. 591 Comment
  CAS-BOT-BC164774  Clarkia rhomboidea Peter H. Raven 1951-6-10 2907 Napa E. of Toll House, Mt. St. Helena 792 Comment
  JEPS43712  Clarkia rhomboidea Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  CDA38066  Clarkia unguiculata Robin Breckenridge 1989-6-8 s.n. Napa St. Helena; Crystal Springs at Silverado Trail. 0 Comment
  HSC17756  Claytonia exigua subsp. exigua C. B. Wolf 1928-2-25 1495 Napa Mt. St. Helena Grade, 5 mi. N of Calistoga Comment
  RSA464603  Claytonia exigua subsp. exigua H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  UC634938  Claytonia gypsophiloides A. E. Borell 1928-4-13 151 Napa 10 mi nw Calistoga Comment
  CAS-BOT-BC439325  Claytonia gypsophiloides Willis L. Jepson 1897-5-2 s.n. Napa Rebecca Ranch Grade, Napa River Basin Comment
  UCD148798  Claytonia parviflora Ellen Dean; Diana Hickson 2014-4-29 8105 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS112600  Claytonia parviflora subsp. parviflora Jake Ruygt 1986-3-16 1650 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 451 Comment
  UCD117465  Claytonia parviflora subsp. parviflora Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UCD168556  Claytonia parviflora subsp. parviflora Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD15053  Claytonia perfoliata Joe Smilanick 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  CAS-BOT-BC440045  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1918-5-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC440043  Claytonia perfoliata subsp. perfoliata Elsa G. Ruckert 1960-2-7 10 Napa 6495 Dry Creek Road. Field, 300 yards east of house 365 Comment
  CAS-BOT-BC91448  Clematis lasiantha Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  UCD49116  Clematis lasiantha E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 400 as the crow flies feet NNW of the jct of West Rd. and South Decker Canyon Rd. 167 Comment
  UCD95609  Clematis lasiantha Lynn B. Hendrix 1962-5-5 43 Napa South end of Lake Berryessa. Comment
  UCD95627  Clematis lasiantha Bill Wengeler 1995-4-16 s.n. Napa West of city of Winters; 0.2 mi W of Monticello Dam along Hwy 128. 158 Comment
  CAS-BOT-BC474510  Collinsia heterophylla Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8672 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. Along Nevada Creek. 470 Comment
  CHSC108730  Collinsia heterophylla B. Castro; L. P. Janeway 2002-5-12 1358 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  JEPS7345  Collinsia heterophylla W. L. Jepson 1944-5-21 27527 Napa Adam-and-Eve Ridge Howell Mountain (valley at w base) Comment
  POM182696  Collinsia heterophylla D. D. Keck 1931-4-2 1002 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 Comment
  UCD49264  Collinsia heterophylla C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; in dry creek bed, downslope of West Rd., N of jct with South Decker Canyon Rd. 152 Comment
  HSC38124  Collinsia heterophylla Thomas W. Nelson, Jane P. Nelson, James Nelson, J. P. Smith 1976-4-12 2351 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  UCD123578  Collinsia heterophylla M. Ensign 1943-5-28 306 Napa 10 miles north of Monticello on road to Lower Lake. Comment
  UCD123662  Collinsia sparsiflora G. L. Webster 1967-3-23 7495 Napa ca. 1 mi S of Spanish Flat. 167 Comment
  RSA305748  Collinsia sparsiflora var. arvensis James R. Shevock 1972-3-25 1432 Napa Hwy 128; near Chiles Valley. 305 Comment
  UC545847  Collinsia sparsiflora var. arvensis E. Crum 1936-3-15 1736 Napa Chiles Canyon 3.4 mi from Rutherford on Pope Valley Road Rutherford; Chiles Canyon, Pope Valley Road Comment
  JEPS6334  Collinsia sparsiflora var. sparsiflora Willis L. Jepson 1893-4-24 21459 Napa hills e St. Helena (near the Conn Valley Rd fork); Napa River Basin Comment
  JEPS112527  Collinsia tinctoria Jake Ruygt 1978-5-21 325 Napa 2.2 miles north of Chiles-Pope Valley Rd on Sage Canyon Rd. 134 Comment
  CLARK-A1528-3461  Collomia heterophylla John C. Roos 1939-4-26 260 Napa Angwin Comment
  UCD112237  Collomia heterophylla Christopher Mallek 2008-5-12 AS2- 7 Napa Aetna Springs. 668 Comment
  JEPS122712  Conyza bonariensis Jake Ruygt 1995-6-5 3487 Napa About 1.5 miles SE of Sage Canyon Road from boat dock. Quad: Yountville. Comment
  UC1536741  Conyza canadensis G. H. True Jr. 1937-10-12 840 Napa roadside near Lokoya Lodge 304 Comment
  RSA769191  Conyza floribunda L. Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 air miles west of Winters 133 Comment
  JEPS7005  Cordylanthus mollis subsp. mollis Peter H. Raven 1952-8-26 5138 Napa salt marshes Bentley Wharf 15 Comment
  JEPS75689  Cordylanthus mollis subsp. mollis Craig D. Thomsen 1976-7-27 Napa between Fagen Slough and Steamboat Slough; Napa River, Napa Marsh Comment
  RSA92939  Cordylanthus mollis subsp. mollis Peter H. Raven 1952-8-26 s.n. Napa Bentley Wharf 15 Comment
  RSA537658  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang, Carl Chuang 1972-7-22 7073 Napa 2 mi. N. of St. Helena. Comment
  SD131925  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, C. L. Custer, G. T. Robbins 1954-8-9 4750 Napa grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort Comment
  UCR78362  Cordylanthus pringlei T. I. Chuang, F. M. Chuang 1970-8-25 6842 Napa North Coast Range, Just south of Lake County line, on U.S. Hwy 29 463 Comment
  JEPS6821  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa e side Mt. St. Helena Comment
  UC1357607  Cordylanthus pringlei R. F. Hoover 1966-8-23 9922 Napa 0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena Comment
  UC761839  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC209799  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon Comment
  CAS-BOT-BC209801  Cornus glabrata Peter H. Raven 1951-6-26 3089 Napa Along Cappell Ck., Cappell Valley to Wooden Valley 274 Comment
  UCD47955  Cornus glabrata Ryan Knox; E. McDermott and G. Walden 2002-4-13 1 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, from Knoxville Creek's bank. 131 Comment
  CAS-BOT-BC209417  Cornus nuttallii Ira L. Wiggins 1949-4-30 12090 Napa On n.e. flank of Mount St. Helena 914 Comment
  CAS-BOT-BC209418  Cornus nuttallii Rimo Bacigalupi 1926-3-28 1267 Napa In canyon just below Mt. St. Helena Inn (Mollie Patton's). Lower slopes of Mt. St. Helena 670 Comment
  JEPS106395  Cornus nuttallii Jake Ruygt 1990-4-28 2510 Napa Livermore Rd. about 1/2 mile from HWY 29 524 Comment
  SEINET3089139 Image available Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS106394  Cornus sericea subsp. sericea Jake Ruygt 1998-6-13 4022 Napa Milliken Creek south of Foss Valley. 405 Comment
  CAS-BOT-BC180343  Corylus cornuta subsp. californica Alice Eastwood 1915-6-5 4653 Napa Calistoga Comment
  JEPS106939  Cotula australis Jake Ruygt 1994-3-14 3412 Napa Trancas Avenue east of Big Ranch Road 13 Comment
  UCD19947  Crassula connata E. A. Dean; Virginia Boucher 2002-2-28 903 Napa Quail Ridge Reserve. Along upper trail, leading out north of stock pond near Quail Ridge tip; 0.2 airline miles NE of junction with West Rd. 320 Comment
  UC1299209  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1946-8-21 1844 Napa near Knoxville; North Coast Ranges Comment
  JEPS122997  Crypsis schoenoides Jake Ruygt 1986-6-21 1829 Napa East end of Suscol Road, under the Southern Crossing. Quad: Cuttings Wharf. Comment
  UC1950068  Crypsis schoenoides Barbara Ertter with Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  SEINET4343824 Image available Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  SEINET4206989  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd.; 0 610 Comment
  JEPS104969  Cryptantha hispidula Dean W. Taylor 1998-6-23 16691 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  RSA127499  Cryptantha hispidula M. S. Baker 1938-4-29 8939 Napa Serpentine along road from Monticello east of Pope Valley. Comment
  UCD149661  Cryptantha hispidula Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  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
  UCR179389  Cryptantha hispidula Robert Wolfson, J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 34 Napa McLaughlin Reserve, c. 0.5 miles south of Berryessa-Knoxville Rd. Along east side of Devilhead Rd., 1st ridge south of Devilhead Rd. 518 Comment
  UCD119813  Cryptantha hispidula Robert E. Preston 1988-4-10 574 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, on a southeast-facing serpentine slope. 268 Comment
  UCD38825  Cryptantha hispidula Beecher Crampton 1958-4-29 4754 Napa Above Capell Creek. Comment
  SD106148  Cryptantha intermedia W. L. Jepson 1938-5-25 18 861 Napa Bell Canyon, Howell Mountain, Napa Range 580 Comment
  UCD161605  Cryptantha microstachys Jake Ruygt 1999-5-15 4157 Napa north side of Ritchey Canyon, near Bothe State Park. 597 Comment
  UC857196  Cryptantha muricata M. S. Jussel 1937-5-23 Napa Palisades Comment
  UC857199  Cryptantha muricata Milo S. Baker 1940-5-29 9660 Napa summit w of Calistoga (on Calistoga-Santa Rosa Hwy, a few hundred feet w, lower down on se corner of ranch,) Comment
  CDA1806  Cupressus macnabiana D. G. Kelch, D. A. Weinstein 1995-4-1 s.n. Napa Along Knoxville-Berryessa Rd nr large mine. Comment
  CLARK-A1528-2663  Cupressus macnabiana John C. Roos 1938-11-19 323 Napa Pope Valley Comment
  UC1076280  Cupressus macnabiana H. L. Mason 1924-1-23 1208 Napa Pope Canyon Comment
  CDA10848  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11785 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 237 Comment
  CDA11902  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-8 11718 Napa North Coast Biodiversity Arena; Tree, 10 m in height, along small creek tributary to Swartz Creek. Colony on serpentine, approx. 1/2 mile above Aetna Springs resort. Comment
  CHSC109722  Cupressus sargentii L. R. Abrams 1926-5-4 12282 Napa County line, Napa - Lake County. Comment
  RSA129445  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calistoga - Middletown: 3 miles east of Mt. St. Helena 610 Comment
  UCD133660  Cupressus sargentii C. B. Wolf; E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about .5 mi. SW of Quicksilver Mine. 457 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
  UCD170466  Cuscuta indecora var. indecora Daniel Potter; Ninh Khuu 2016-6-18 895 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 448 Comment
  UC450144  Cuscuta salina var. major Milo S. Baker Aug 1900 Napa Napa River, near R.R. crossing Napa River Comment
  JEPS116522  Cuscuta subinclusa Jake Ruygt 1982-7-21 1379 Napa Edgerly Island. Cuttings Wharf 7.5' Quad. Comment
  JEPS116523  Cuscuta subinclusa Jake Ruygt 1991-7-27 2805 b Napa North of the Southern Crossing, Highway 29 Horseshoe Island. Napa 7.5' Quad. Comment
  UC127129  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7123 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS47143  Cuscuta subinclusa W. L. Jepson 1894-11-5 70 b Napa Rural Health Retreat Napa Valley, St. Helena Comment
  JEPS39364  Cynoglossum grande Mary Pond 1915-4-18 Napa St. Helena Comment
  UCD119178  Cynoglossum grande Evert I. Schlinger 1952-3-16 19 Napa Putah Canyon. Comment
  UCD169892  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  CAS-BOT-BC190361  Cynosurus echinatus Peter H. Raven 1950-6-20 2352 Napa On the west side of Howell Mountain. Comment
  CHSC33995  Cynosurus echinatus J. D. Prouty 1980-4-12 861 Napa Roadbank of Hwy 29 ca. 4.5 mi sw of summit at R.L. Stevenson State Park. 243 Comment
Read comments
Mar 30 2009
  UCD19312  Cynosurus echinatus M. A. Bibbo; E. Dean 2001-7-6 4 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
  UCR30535  Cynosurus echinatus John C. Roos 1972-5-18 s.n. Napa Angwin 366 Comment
  UC1563948  Cyperus eragrostis Barbara Ertter with Elizabeth Neese 1988-10-2 7956 Napa ca. 15 airmiles n.-n.w. Napa (Lake Hennessey, on Conn Creek, below spillway on n. side of Rte. 128); North Coast Ranges, Conn Creek 91 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
  JEPS75995  Cyperus eragrostis W. L. Jepson 1936-6-2 17602 Napa Pratt Valley, St. Helena Comment
  JEPS115767  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 Win 133 Comment
  JEPS115959  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  SD211488  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey circa 15 airmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  SEINET4572024  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Lake Berryessa, along Capell Creek NE of Rest Area, about 19 miles (air) west of Winters. 133 Comment
  UCR146402  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  CAS-BOT-BC114361  Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa Strand of Conn Lakes 152 Comment
  CAS-BOT-BC70647  Cystopteris fragilis Carl B. Wolf 1928-5-3 1842 Napa base of Mt. St. Helena Comment
  HSC980  Cystopteris fragilis C. B. Wolf 1928-5-3 1842 Napa At the summit of the Mt. St. Helena Grade Comment
  UCD60496  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa About 6-7 mi. from Napa on Hwy. 37 to Monticello. Comment
  JEPS7760  Datura stramonium Peter H. Raven 1951-10-28 3951 Napa c 8 mi se Knoxville (Eticuera Creek); Eticuera Creek 304 Comment
  JEPS115751  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  RSA140818  Daucus carota John H. Thomas 1960-8-29 8839 Napa About 1 mile north of Calistoga along highway number 53 Comment
  UCD127396  Daucus carota R. Tofsrud 1948-6-15 s.n. Napa Exact location unknown. Comment
  UCD160779  Daucus pusillus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8659 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
  UCD48429  Daucus pusillus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Road ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 228 Comment
  UCD161345  Deinandra corymbosa Jake Ruygt 1986-5-5 1745 Napa West side of Mt. George. (Coordinates estimated by label maker at UC Davis). 326 Comment
  UC532069  Delphinium hesperium David D. Keck 1933-5-29 2366 Napa Pope Creek bridge s Walters Springs Comment
  JEPS6234  Delphinium hesperium Willis L. Jepson 1893-6-26 21393 Napa grade to Howell Mt. Napa River Basin Comment
  JEPS100897  Delphinium hesperium subsp. hesperium Dean W. Taylor 1998-5-14 16438 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UC1299397  Delphinium hesperium subsp. pallescens Freed W. Hoffman 1949-5-10 3173 Napa Hwy 28 about on Napa-Yolo County line; Putah Creek, Dam Site Comment
  CAS-BOT-BC9812  Delphinium nudicaule John Thomas Howell 1931-4-2 6080 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  HSC58984  Delphinium nudicaule George E. Johnston 1974-4-4 1026 Napa Near Bell Canyon 427 Comment
  RSA10691  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC9809  Delphinium nudicaule Ella D. Cantelow 1939-4-8 2522 Napa Lower Lake Road, 6 mi. N of Jct. with Pope Creek Road Comment
  RSA122776  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa Wooden Valley Grade, 5.2 miles NNE of Napa. 274 Comment
  SEINET12099567  Delphinium nudicaule Thurber 1852-1 511 Napa no further locality Comment
  JEPS96762  Delphinium uliginosum Dean W. Taylor 1998-6-18 16672 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UCD54385  Delphinium uliginosum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  UCD96582  Delphinium uliginosum Alva Day 1965-5-15 65 126 Napa In meadow in Cedar Valley, west of Lake Berryessa. Comment
  SEINET12093076  Delphinium uliginosum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -326 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET5718464 Image available Delphinium uliginosum James W. Katberg 1966-1 45 Napa Cedar Valley, south of Knoxville.; Cedar Valley Comment
  JEPS60635  Delphinium variegatum Elizabeth Ferguson 1920-5-15 346 Napa Pope Creek and Howell Mountain Comment
  RSA128562  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville. 244 Comment
  UC1031436  Delphinium variegatum H. Lewis and G. Mehlquist 1941-5-9 Napa 16.2 mi n Monticello Comment
  UCD96604  Delphinium variegatum Robert C. Bechtel 1952-4-6 51 Napa Samuel Springs, 7 miles northwest of Monticello. Comment
  UCD96665  Delphinium variegatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCD96742  Delphinium variegatum R. L. Smith 1948-5-8 s.n. Napa Near Edmunds Springs, east branch of Monticello Valley. Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  SBBG2218  Delphinium variegatum subsp. variegatum H. and M. Dearing 1939-4-29 3228 Napa Conn Valley Comment
  JEPS62392  Delphinium variegatum subsp. variegatum W. L. Jepson 1938-5-18 18800 Napa on slope above St. Helena Sanitarium; Howell Mountain Comment
  JEPS110778  Dendromecon rigida Jake Ruygt 1987-5-16 1991 Napa Bismark Knob 606 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
  UCD61234  Deschampsia cespitosa var. cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Area. Butts Canon. 200 Comment
  JEPS97742  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
  UC187274  Deschampsia danthonioides Joseph P. Tracy 1903-5-15 1854 Napa near Calistoga Northern Coast Ranges, Napa Valley 91 Comment
  UCD164842  Deschampsia danthonioides Jake Ruygt 2012-5-19 5849 -b Napa Near Stone Corral Creek, Spanish Valley. 219 Comment
  CAS-BOT-BC201723  Deschampsia elongata Betty H. Johnson 1958-6-20 655 Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  JEPS122986  Deschampsia elongata Jake Ruygt 1992-5-6 2952 Napa Mitten Lake, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UCD63297  Deschampsia elongata Beecher Crampton 1956-5-25 3469 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  CAS-BOT-BC254473  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1943-6-20 18240 Napa SW of St. Helena Comment
  UCD48273  Dichelostemma capitatum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 6 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. 20 ft south of path. 545 Comment
  JEPS64153  Dichelostemma capitatum W. L. Jepson 1897-5-2 20985 Napa St. Helena Napa Valley Comment
  UCD14948  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa California, Napa Co.; 6.4 miles southwest of Monticelo Dam along Highway 128; Comment
  UCD148736  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1977-3-14 154 Napa Napa County; 2.2 miles north of Silverado Trail on Soda Canyon Road. 115 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
  UCD169613  Dichelostemma multiflorum 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
  SEINET3885705  Dichelostemma pulchellum Linda Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road.; 0 183 Comment
  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
  SEINET13682807  Diplacus aurantiacus M. J. Williams 1967-5-7 s.n. Napa Howell Mountain [Road?], between St. Helena and Angwin. 259 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-BC153277  Diplacus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  CAS-BOT-BC153278  Diplacus kelloggii John Thomas Howell 1931-4-4 6165 Napa Crater Country, Mt. St. Helena region Comment
  CAS-BOT-BC153411  Diplacus layneae Alice Eastwood 1915-6-6 4674 Napa Mt. St. Helena Comment
  CAS-BOT-BC153413  Diplacus layneae R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6681 Napa Butt's Canyon 10 mi. from Howell Mt. Comment
  OBI49335  Diplacus layneae Joseph P. Tracy 1950-5-23 18662 Napa Howell MTn. On hills at head of Moore's Crk, 5 mi E of Angwin's Comment
  UC126466  Dipsacus fullonum Harley P. Chandler Sept. 7 to 14, 1906 7130 Napa Alta Loma Ranch Howell Mountain Comment
  SEINET4170353  Disporum hookeri C. H. Lamoureux, J. M. Tucker , Roman Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road abd Siverado Trail Comment
  CAS-BOT-BC208623  Distichlis spicata Peter H. Raven 1951-6-24 3024 Napa Inter, Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UC917150  Dodecatheon hendersonii D. C. Finfrock 1950-4-2 16 Napa on Pope Valley Road two mi from St. Helena; 2 mi from St. Helena Comment
  UCD118964  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa Along trail running along southwest side of Lake Berryessa, 100m from Knoxville Rd. 250 Comment
  UCD73390  Dodecatheon hendersonii Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UCD14887  Dodecatheon hendersonii Chris Chan 1991-3-28 2 Napa California, Napa Co.; at Lake Berryessa, just west of Monticello Dam, along Highway 128; 203 Comment
  UCD15068  Dodecatheon hendersonii Alan B. Chan 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 152 Comment
  UCD147463  Downingia Ellen Dean; Diana Hickson 2014-4-29 8076 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS103656  Downingia bicornuta var. bicornuta Lisa Schultheis 1995-5-31 193 -95 Napa Corner of Pope Valley Cross Road and Chiles-Pope Valley Road Comment
  JEPS106567  Downingia concolor var. concolor Jake Ruygt 1978-5-14 308 Napa .3 miles south of Oak Knoll Ave. on Silverado Trail;east 19 Comment
  UCD148768  Downingia concolor var. concolor Jake Ruygt 1982-6-13 1322 Napa Napa County; Pope Canyon Rd., near large vernal pond on south side of road. 185 Comment
  RSA195338  Downingia concolor var. concolor Gilbert Muth 1967-5-19 694 Napa Milliken Dam. 335 Comment
  UCD75836  Downingia concolor var. concolor Jake Ruygt 1993-5-1 3245 Napa Pope Canyon Rd. at large vernal pond. 187 Comment
  JEPS126076  Downingia pulchella Jake Ruygt 1993-5-14 3262 Napa West of American Canyon near county line. Cuttings Wharf 7.5' Quad. Comment
  POM59145  Downingia pusilla A. A. Heller, H. E. Brown 1902-4-25 s.n. Napa Near Napa Comment
  POM263488  Draba verna J. C. Roos 1939-2-21 299 Napa Near Angwin, Napa Range. Comment
  CAS-BOT-BC157775  Drymocallis glandulosa var. glandulosa E. Ruckert 1960-5-8 146 Napa 6495 Dry Creek Road; field west of gate spring 365 Comment
  CAS-BOT-BC527333  Drymocallis glandulosa var. reflexa H. M. Hall 1931-5-26 13089 Napa Napa Range, west side Comment
  JEPS49910  Dudleya caespitosa H. P. Chandler 1907-5-14 7570 Napa White Sulfer Springs St. Helena Comment
  UC191167  Dudleya cymosa C. F. Sonne 1897-4-1 Napa St. Helena Comment
  UCD20915  Dudleya cymosa V. (Shorty) Boucher 2002-3-27 6 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  SD95159  Dudleya cymosa Susan Danford 1964-5-8 25 Napa On creek just east of State Highway 128, 3.0 miles southwest of Monticello Dam. Comment
  UCD15006  Dudleya cymosa Eva Kuuth 1977-5-2 205 Napa Along the Berryessa-Knoxville Rd., 0.5 mile NE of the junction with Highway 128; Comment
  CHSC102266  Dysphania pumilio Lowell Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  SEINET10564032  Echinochloa crus-galli var. zelayensis Virginia E. Long 1931-8-22 Long 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helens). In boggy irrigation ditch near pumping plant. 111 Comment
  UCD161323  Echinodorus berteroi Jake Ruygt 1979-8-11 792 Napa Lake Hennessey. (Coordinates estimated by label maker at UC Davis). 96 Comment
  JEPS126136  Elatine brachysperma Jake Ruygt 2004-5-29 4610 Napa Bear Valley at the pond. Detert Reservoir 7.5' Qua. Comment
  UCD161351  Eleocharis bella Jake Ruygt 1986-8-23 1909 c Napa Lake Hennessey near treatment plant. (Coordinates estimated by label maker at UC Davis). 94 Comment
  UCD161619  Eleocharis bella Jake Ruygt 2004-5-29 4611 Napa Bear Valley at the pond. 640 Comment
  JEPS129118  Eleocharis coloradoensis Jake Ruygt 2001-7-8 4328 Napa Lake Hennessey at the boat ramp. Yountville 7.5' Quad. 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
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  JEPS122982  Elymus elymoides var. elymoides Jake Ruygt 1994-5-17 3383 Napa Butts Canyon Road; Juliana Vineyards. Quad: Aetna Springs. Comment
  UC34035  Elymus glaucus Willis L. Jepson 1893-1 Napa Napa Valley Comment
  UCD61793  Elymus glaucus Beecher Crampton 1965-6-30 7419 Napa Ridge north of Mt. Vaca. 762 Comment
  UCD61805  Elymus glaucus Beecher Crampton 1957-6-4 4097 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCR267864  Elymus glaucus Stephen P. Rae, Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, c. 1 km west of Angwin. McCrane property 526 Comment
  JEPS122979  Elymus glaucus subsp. glaucus Jake Ruygt 1988-6-4 2212 Napa South slope Mt. St. Helena above Red Hill. Quad: Detert Reservoir. Comment
  SACT001119  Elymus glaucus subsp. glaucus John Willoughby 1975-5-23 Napa West of Monticello Dam, in foothill woodland. 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
  UC1153914  Elymus trachycaulus Beecher Crampton 1957-6-4 4106 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD37943  Elymus trachycaulus Beecher Crampton 1962-5-16 6423 Napa Napa County, 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  SD7370  Epilobium brachycarpum Daniel Cleveland 1882-8-28 Napa Springs (see supplement) Comment
  JEPS110700  Epilobium campestre Jake Ruygt 1996-6-23 3753 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 277 Comment
  JEPS110701  Epilobium campestre Jake Ruygt 1986-6-21 1830 Napa west end of Soscol Rd. below Southern Crossing HWY 29 4 Comment
  JEPS122728  Epilobium campestre Jake Ruygt 1992-7-4 3061 Napa Margin of Mitten Lake, Wild Horse Valley Ranch. Quad: Mt. George. 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
  RSA39634B  Epilobium canum subsp. canum P. A. Munz 1947-10-10 12215 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  RSA505681  Epilobium canum subsp. canum Gordon H. True Jr. 1937-10-12 844 Napa Road cut on road from Napa to Lokoya Lodge 305 Comment
  UCD167248  Epilobium densiflorum Jake Ruygt 1996-7-13 3774 Napa Angwin, near Sanitation ponds. 481 Comment
  UC35410  Epilobium foliosum Willis L. Jepson 1894-5-3 Napa St. Helena Napa River Basin Comment
  CDA11335  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena; Alongside Highway 128. Comment
  UCD106514  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena. Alongside Highway 128. 200 Comment
  UCD106515  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena. Alongside Highway 128. 200 Comment
  JEPS38215  Epilobium torreyi Willis L. Jepson 1893-6-26 14409 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UCD138944  Epipactis gigantea Barbara Rice 1965-5-15 71 Napa Zim-Zim Creek, 3 miles southeast of Devilshead Road. 365 Comment
  UCD20763  Epipactis gigantea M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 114 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. Along Hunting Creek 100 yards upstream of junction with Sensitive Plant Canyon. 624 Comment
  UC1196439  Epipactis gigantea J. P. Tracy 1899-7-2 452 Napa Canyon of Moore's Creek Howell Mountain 335 Comment
  JEPS129126  Equisetum arvense Jake Ruygt 2008-7-19 5359 Napa Eticuera Creek, south of Long Canyon. Knoxville 7.5' Quad. Comment
  JEPS103964  Equisetum telmateia Jake Ruygt 1979-4-8 493 Napa Mt. St. Helena, at base of fire trail 658 Comment
  JEPS103965  Equisetum telmateia Jake Ruygt 1993-3-7 3169 Napa end of Conn Valley Rd. (county road) 97 Comment
  UCD135577  Equisetum telmateia subsp. braunii Beecher Crampton 1961-6-12 5906 Napa Ca. 9 miles northeast Napa, junction State Hwy. 37 and road to Fairfield. 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
  RSA756432  Eragrostis hypnoides Barbara Ertter, Elizabeth Neese 1988-10-2 7972 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UC31075  Ericameria arborescens W. L. Jepson 1894-10-14 Napa near Calistoga (Rebecca Ranch Grade) Comment
  JEPS106947  Erigeron foliosus var. franciscensis Jake Ruygt 1990-6-9 2589 b Napa Arrowhead Mountain 228 Comment
  RSA8549  Erigeron greenei J. T. Howell 1933-8-27 11625 Napa Sage Canyon, Napa Range. Comment
  UCD164737  Erigeron greenei Jake Ruygt 2014-6-23 6012 Napa Sutro Ranch southeast, Atlas Peak. 731 Comment
  UCD63175  Erigeron petrophilus var. petrophilus Jake Ruygt 1981-7-23 1083 Napa Berryessa Peak. 914 Comment
  UCD161327  Erigeron philadelphicus Jake Ruygt 1980-5-4 871 Napa Bear Valley. (Coordinates estimated by label maker at UC Davis). 621 Comment
  UCD119296  Eriodictyon californicum Andreas Stohr 1996-4-21 2 Napa Along Road 128. 180 Comment
  UCD48050  Eriodictyon californicum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 15 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 533 Comment
  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
  CAS-BOT-BC242614  Eriogonum dasyanthemum James L. Reveal 1987-6-7 6404 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and south of Lake Berryessa 243 Comment
  POM196472  Eriogonum dasyanthemum J. T. Howell 1927-8-23 3042 Napa Chiles Valley 213 Comment
  JEPS129041  Eriogonum luteolum var. luteolum Jake Ruygt 2016-6-5 6275 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  LA206912  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  SEINET3405144 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  UCD164746  Eriogonum luteolum var. luteolum Jake Ruygt 2014-6-7 5971 Napa Livermore Ranch, Montesol. 664 Comment
  UCD164784  Eriogonum luteolum var. luteolum Jake Ruygt 2009-6-18 5441 Napa Chiles-Pope Valley Rd. 286 Comment
  UCD164785  Eriogonum luteolum var. luteolum Jake Ruygt 2000-9-1 Napa Aetna Springs Rd just beyond resort. 259 Comment
  UCR43082  Eriogonum luteolum var. luteolum L. F. LaPre 1986-6-8 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. Line 366 Comment
  JEPS117028  Eriogonum luteolum var. luteolum David Gowen 2008-5-14 912 Napa Just north of intesction of Snell Rd. on Butts Canyon Rd. Comment
  UCR43200  Eriogonum nudum var. nudum L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  RSA766355  Eriogonum nudum var. nudum Joseph A. Ewan 1933-9-17 8001 Napa Near Stevenson Monument, Mt St Helena Comment
  UCD164791  Eriogonum nudum var. nudum Jake Ruygt 2004-9-4 4662 Napa Berryessa-Knoxville Rd at Zim-Zim Creek. 225 Comment
  CAS-BOT-BC269713  Eriogonum nudum var. oblongifolium Peter H. Raven 1951-8-21 3869 Napa Ridge s.e. of Mt. Veeder 670 Comment
  CAS-BOT-BC269715  Eriogonum nudum var. oblongifolium John Thomas Howell 1929-8-4 4357 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  UCD164789  Eriogonum nudum var. oblongifolium Jake Ruygt 1981-5-27 1049 Napa American Canyon, .4 mile east of Flosden Road. 152 Comment
  SBBG64259  Eriogonum roseum J. T. Howell 1930-10-19 5604 Napa Conn Crk near entrance of Sage Cyn, Napa Valley Comment
  CAS-BOT-BC300347  Eriophyllum John H. Thomas 1955-5-21 5125 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  SEINET7072771  Eriophyllum confertiflorum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  CAS-BOT-BC301058  Eriophyllum lanatum var. achilleoides John Thomas Howell 1929-5-30 4272 Napa On Pope Valley Creek near Samuels Springs, Napa Range Comment
  JEPS34605  Eriophyllum lanatum var. achilleoides W. L. Jepson 1893-1 14567 Napa St. Helena Comment
  POM41575  Eriophyllum lanatum var. achilleoides Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC1301026  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1963-3-17 5206 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  CAS-BOT-BC301174  Eriophyllum lanatum var. arachnoideum Betty H. Johnson 1958-6-8 608 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS106526  Erodium botrys Jake Ruygt 1979-5-19 608 Napa Giles-Mead Ranch 481 Comment
  JEPS85038  Erodium botrys Larry Heckard and Mary Ashton 1969-5-3 2196 Napa 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UCD49060  Erodium cicutarium S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD170455  Eryngium Daniel Potter; Ninh Khuu 2016-6-8 884 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS101784  Eryngium aristulatum var. aristulatum Dean W. Taylor 1999-7-20 17287 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  JEPS17446  Eryngium aristulatum var. aristulatum W. L. Jepson 1893-4-26 14276 Napa Rutherford Napa Valley, Rutherford Comment
  RSA542106  Eryngium aristulatum var. aristulatum Robert F. Hoover 1937-8-31 2700 Napa Yountville Comment
  UC21008  Eryngium articulatum Willis L. Jepson 1894-5-3 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  CAS-BOT-BC54302  Erysimum capitatum John Thomas Howell 1931-4-2 6086 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  CAS-BOT-BC40900  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  JEPS106770  Erysimum capitatum var. capitatum Jake Ruygt 1996-4-12 3610 Napa Blue Ridge, north of Monticello Dam. 670 Comment
  UCD115014  Erysimum capitatum var. capitatum M. Wiesendanger 1926-4-1 1494 Napa Napa County. Comment
  SEINET8255130  Erythranthe microphylla L. Constance 1938-3-27 2040 Napa above Wooden Valley 8 mi. ne. of Napa. e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  CAS-BOT-BC133294  Erythronium helenae Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  JEPS129023  Erythronium helenae Jake Ruygt 2016-3-15 6162 Napa Missimer-Fernandes; E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  RSA52730  Erythronium helenae I. L. Wiggins 1949-4-30 s.n. Napa Mount St. Helena near Lake Co. Line Comment
  UCD69385  Erythronium helenae R. B. Kimsey; L. S. Kimsey 1997-5-3 s.n. Napa A half mile west of Aetna Spring, on Sugar Loaf Mountain. Comment
  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
  JEPS51748  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UCD159938  Eschscholzia caespitosa Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC402796  Eschscholzia caespitosa John Thomas Howell 1931-4-2 6096 Napa 9 miles from Monticello on road to Napa, Napa Range Comment
  UCD34213  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Napa County, Markley Canyon on Hwy 128. Comment
  UCD149689  Euphorbia oblongata Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD170837  Euphorbia spathulata 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  CDA29771  Euthamia occidentalis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 220 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  CHSC114890  Festuca californica D. G. Kelch 2010-4-28 10180 Napa N Rockville along Suisun Valley Rd. Nr Napa County Line. 159 Comment
  UCD121157  Festuca californica Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7350 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  UCD65909  Festuca californica subsp. californica W. E. Wood 1928-4-15 Napa Along road from St. Helena to Pacific Union College. Comment
  CHSC83359  Festuca californica var. californica L. P. Janeway; B. Castro 2002-5-12 7542 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  UC1153830  Festuca elmeri Beecher Crampton 1954-5-6 1834 Napa between Capell and Wooden Valley Wooden Valley (State Hwy 37) Comment
  UCD19321  Festuca idahoensis M. A. Bibbo; E. Dean 2001-7-6 13 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a W facing slope. 228 Comment
  UCD65968  Festuca idahoensis Beecher Crampton 1956-5-25 3458 Napa Vaca Mtns. Head of Markley Canyon. Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  JEPS122939  Festuca occidentalis Jake Ruygt 1990-5-19 2559 Napa 1/2 mile north of Diamond Mountain Road on Highway 29. Quad: Calistoga. Comment
  UCD66253  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  CAS-BOT-BC279008  Festuca rubra Peter H. Raven 1951-5-20 2837 Napa W. Oakville 91 Comment
  CAS-BOT-BC279010  Festuca rubra Peter H. Raven 1952-5-31 4144 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  RSA132845  Filago gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville. 152 Comment
  CAS-BOT-BC63008  Frangula californica subsp. crassifolia Mark Kerr 1940-5-29 s.n. Napa 3 mi. n. summit of Mt. St. Helena grade. Comment
  UCSB24693  Frangula californica subsp. tomentella McMinn, Howard 1922-07 Napa Pope Canyon Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC223444  Fraxinus dipetala H. E. McMinn 1922-6-8 202 Napa Pope Canon [Canyon] Comment
  SEINET6694613 Image available Fraxinus dipetala Evert I. Schlinger 1952-1 69 Napa Samuel Springs, 7 miles northwest of Monticello 91 Comment
  SEINET13943113 Image available Fraxinus latifolia Lewis S. Rose 1955-1 55190 Napa Below Conn Lake; 4 mi NE of Rutherford; ca. 200 ft alt. 61 Comment
  UCD40902  Fremontia californica S. Boshoren 1983-5-29 25 Napa 5 miles from Knoxville, NW on Berryessa-Knoxville Road. Comment
  CAS-BOT-BC205886  Fremontodendron californicum E. Ruckert 1960-4-3 66 Napa 6495 Dry Creek Road; on terrace 365 Comment
  JEPS81213  Fremontodendron californicum Douglas W. James Jr. 1973-5-5 102 Napa Off Road 128, 1.1 miles southeast of junction with Berryessa-Knoxville Road 213 Comment
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  RSA96872  Fremontodendron californicum Percy C. Everett, E. K. Balls 1954-10-19 20370 Napa 3.9 miles NW of Knoxville on road to Lower Lake. 610 Comment
  JEPS108034  Fremontodendron californicum subsp. californicum R. Raiche 1987-7-7 Napa Just S of Lake Co. line, S of Middleton, Hwy 29 at bridge 14.52 along St. Helena Creek. Comment
  CAS-BOT-BC130075  Fritillaria affinis Alice Eastwood 1918-5-1 6858 Napa Mt. St. Helena Comment
  CAS-BOT-BC130081  Fritillaria affinis Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS61904  Fritillaria affinis Willis L. Jepson 1893-5-2 14822 Napa e from Calistoga (Napa River Basin, new Pope Valley grade); Napa Mountains, Napa River Basin, Pope Valley Comment
  CAS-BOT-BC130073  Fritillaria affinis Ira L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga-Middletown Highway Comment
  JEPS61899  Fritillaria affinis Willis L. Jepson 1893-4-28 14825 Napa n of Wooden Valley Grade (Napa Mountains, Napa River Basin, Milliken Creek); Napa Mountains, Napa River Basin, Milliken Creek Comment
  UC421724  Fritillaria affinis Mrs. L. W. McArthur 1930-4-3 Napa Calistoga, Oathill Road summit Calistoga; , Oathill Road Comment
  UCSB679  Fritillaria affinis Keator, Glenn 1959-4-1 Napa 0.4 miles northwest of Napa County line on Highway 128 Comment
  JEPS113964  Fritillaria pluriflora Jake Ruygt 1994-3-5 3404 Napa Paradise Valley. Jericho Valley 7.5' Quad. 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
  UC1096798  Fritillaria pluriflora Milo S. Baker 1940-3-10 9499 Napa about 5 mi n of Knoxville (right beside road to Lower Lake) Comment
  UCD170218  Fritillaria pluriflora Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 739 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  JEPS129090  Fritillaria purdyi Jake Ruygt 2016-3-15 6163 Napa Missimer-Fernandes E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  JEPS61895  Fritillaria purdyi Pearl Lutzi 1916-5-1 Napa Napa Range, Calistoga Calistoga; Napa Range, Calistoga Comment
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Jun 2 2008
  UCD169862  Fritillaria purdyi Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 796 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  RSA195366  Fritillaria recurva Gilbert Muth 1967-4-9 599 Napa Aetna Springs Road Comment
  UCD139675  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa north end of Capell Valley, above Capell Creek, along State Hwy 128. Comment
  JEPS5214  Fritillaria recurva W. L. Jepson 1924-4-27 10375 Napa e side of Mount St. Helena Mount St. Helena Comment
  UCR24144  Fritillaria recurva var. coccinea John C. Roos 1939-3-3 301 Napa North Coast Range, Snell Valley, Angwin, Pacific Union College 549 Comment
  UCD18032  Galium andrewsii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 581 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
  UCSC009033  Galium andrewsii subsp. andrewsii Dylan M. Neubauer 2015-4-26 135 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 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
  UCD67957  Galium aparine Caryn Franscioni 1977-4-24 6 Napa Eticuera Creek, 2.6 mi. SE of Knoxville mine. 304 Comment
  RSA92821  Galium aparine var. echinospermum Peter H. Raven 1950-5-6 2013 Napa Above place where the W branch of the Napa River meets Rte 29 ca. 1 mile N of Calistoga. 91 Comment
  UC127126  Galium bolanderi Harley P. Chandler Sep 7 1906-Sep 14 1906 7105 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC102475  Galium californicum subsp. californicum Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC527948  Galium divaricatum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6660 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD41466  Galium murale Ellen Dean; Deborah Canington 2003-3-1 1363 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road by running stream. 182 Comment
  UCD121829  Galium nuttallii Heidi E. M. Dobson 1978-5-28 332 Napa East slope of Mt. Veeder. Comment
  UCD13188  Galium nuttallii Gary Fugle 1976-4-11 7 Napa 4 mi N of junction of hwy 121 and 128, along 128. Elev. 550 ft. 167 Comment
  UCD159922  Galium porrigens Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43 - 2. 243 Comment
  UCD38609  Galium porrigens Beecher Crampton 1956-5-25 3485 Napa Howell Mtns. Comment
  UC1196096  Galium tricornutum Joseph P. Tracy 1899-6-13 424 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD18122  Garrya congdonii K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 59 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  POM195578  Garrya flavescens subsp. pallida H. P. Bracelin 1930-3-23 s.n. Napa Flanks of Mt. St. Helena, 1.5 miles southeast of Mt. St. Helena. Comment
  CAS-BOT-BC159264  Garrya veatchii John Thomas Howell 1933-8-27 11638 Napa Sage Canyon, Napa Range Comment
  JEPS76095  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  JEPS64794  Genista monspessulana W. L. Jepson 1923-6-3 9972 Napa a little S of Calistoga (east-side road) Comment
  JEPS129085  Geranium carolinianum Jake Ruygt 2016-4-23 6205 Napa Wantrup Sanctuary, Hardin Road. Saint Helena 7.5' Quad. Comment
  JEPS106708  Geranium molle Jake Ruygt 1986-3-22 1666 Napa Vaca Mountains, east of Markley Cove Resort 304 Comment
  UCD117464  Geranium molle Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. In between road and fire station. Ca. 10 feet from road. 520 Comment
  UCD23412  Geranium molle Helen West 1977-4-16 1 Napa Purple flowers, 10 stamens (2 rows of 5), low lying plant. Collected in sunny meadow, surrounding vegetation was low, covering plants, soil parent material is shale. 6.3 miles southwest of Monticello Dam, off Hwy. 128, along road side. 182 Comment
  UCR92541  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  RSA742088  Gilia capitata subsp. capitata Peter L. Morrell 1993-6-6 269 Napa Coast Range: Along Hwy 29, N side of road, 1 mile south of Robert Louis Stevenson State Park, c. 3 miles N or Calistoga 146 Comment
  UC133966  Gilia capitata subsp. capitata Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC932031  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon ca 8 mi from Vichy Springs (on Monticello Road, e slope Mayacama Mountains); e slope Mayacama Mountains, ca 8 mi from Vichy Springs Comment
  UC914315  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7967 Napa one-quarter mi s Knoxville Mine; s of Knoxville Mine Comment
  CAS-BOT-BC266495  Githopsis diffusa Gladys Smith 1966-4-23 s.n. Napa Bothe Napa Valley State Park Comment
  POM182707  Githopsis specularioides D. D. Keck 1931-4-2 1022 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UC527929  Githopsis specularioides Ira L. Wiggins R. Bacigalupi, R. S. Ferris 1933-6-2 6663 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  CHSC102254  Glinus lotoides Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  RSA769184  Glinus lotoides L. Ahart 2009-10-12 16444 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  SD131827  Glinus lotoides Barbara Ertter, Elizabeth Neese 1988-10-2 7966 Napa Lake Hennesse ca. 15 miles northnorthwest of Napa, on Conn Creek in North Coast Ranges. 91 Comment
  UC1563683  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
  UCD85207  Glyceria striata Beecher Crampton 1953-7-14 1515 Napa N.E. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  UCD75826  Glycyrrhiza lepidota Jake Ruygt 1998-6-24 4060 Napa Goslin Creek, lower Goslin Canyon. 155 Comment
  CDA6057  Gnaphalium stramineum R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  JEPS4235  Gratiola ebracteata W. L. Jepson 1936-5-30 17558 Napa Rutherford Napa Valley (Napa Valley) Comment
  UC147897  Gratiola ebracteata J. P. Tracy 1902-5-21 1611 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); , head of Moore's Creek 518 Comment
  UCD148102  Grindelia camporum Jake Ruygt 1987-10-12 2107 Napa Putah Creek north of Berryessa Estates. 146 Comment
  CAS-BOT-BC304900  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  JEPS41878  Grindelia hirsutula W. L. Jepson 1894-7-19 Napa near Toll House; Mt. St. Helena Comment
  UC32140  Grindelia hirsutula Edw. L. Greene Napa St. Helena Comment
  CAS-BOT-BC304886  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa Napa - Wooden V. Grade 60 Comment
  POM183387  Grindelia hirsutula var. davyi J. T. Howell 1930-7-13 5346 Napa Mt. St. Helena. Comment
  CAS-BOT-BC123711  Grindelia stricta var. angustifolia John Thomas Howell 1932-10-8 10805 Napa Cuttings Wharf on Napa River Comment
  JEPS122925  Hainardia cylindrica Jake Ruygt 1993-5-11 3259 Napa Milton Road north of the railroad tracks. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302221  Harmonia nutans John Thomas Howell 1931-4-2 6075 Napa Wooden Valley Grade 5 miles east of Napa Comment
  CAS-BOT-BC302225  Harmonia nutans Peter H. Raven 1950-4-15 1752 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC302234  Harmonia nutans Bruce G. Baldwin 1987-4-26 652 Napa Las Posadas State Forest (Howell Mountain), immediately north of dirt road leading east from Las Posadas Fire Station, less than 0.1 mile east of station Comment
  JEPS122708  Harmonia nutans Jake Ruygt 1998-6-8 4018 Napa Meas Ranch, slope overlooking Soda Canyon. Quad: Yountville. Comment
  UC518958  Harmonia nutans David D. Keck 1933-5-28 2329 Napa ca 1 mi sw Pacific Union College; Howell Mountain Comment
  JEPS106639  Helenium bigelovii Jake Ruygt 1982-6-13 1319 Napa Guilliume Springs, Cedar Roughs 292 Comment
  CDA34654  Helenium puberulum L. Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS106682  Helenium puberulum Jake Ruygt 1979-10-22 426 Napa .3 miles north of Airport Rd. along Sheehy Creek 4 Comment
  UCD73444  Helianthella californica Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS106683  Helianthella californica subsp. californica Jake Ruygt 1977-5-1 202 Napa east of east end of Westgate Dr., Napa 134 Comment
  JEPS21038  Helianthella californica subsp. californica Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  JEPS33581  Helianthella californica subsp. californica W. L. Jepson 1936-6-1 17595 Napa near Four Corners; Napa Range, Howell Mt. Comment
  CAS-BOT-BC314722  Helianthella californica var. californica T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  RSA113743  Helianthemum scoparium var. vulgare Beecher Crampton 1956-5-25 3480 Napa Howell Mountains above Wooden Valley Comment
  UC1069462  Helianthus bolanderi B. Schreiber 1936-9-9 2352 Napa 5 miles S of Reiff; Reiff Quad. Comment
  UC2026898  Helianthus bolanderi David Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UC570404  Helianthus bolanderi Chas. M. Belshaw 1936-9-20 L 689 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD132905  Helianthus bolanderi G. F. Hrusa 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  UCR81348  Helianthus bolanderi G. Fred Hrusa 1993-10-3 11426 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  CAS-BOT-BC305534  Helianthus bolanderi Alice Eastwood 1939-8-20 7618 Napa Capell Creek Comment
  CHSC102300  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 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
  JEPS115740  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 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
  UCD161740  Heliotropium europaeum Jake Ruygt 1992-9-5 3143 Napa 0.15 mile south of Tubbs Lane on Myrtledale Road, Calistoga. 122 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
  CDA11970  Hemizonia congesta subsp. luzulifolia G. F. Hrusa, M. Hooper 1995-9-12 12462 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  JEPS106660  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1981-5-27 1047 Napa American Canyon 137 Comment
  JEPS106661  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1978-8-14 394 Napa SE corner Big Ranch Rd. and Trancas St., 13 Comment
  UCD67774  Hemizonia congesta subsp. luzulifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  CAS-BOT-BC309828  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10094 Napa Region of San Francisco Bay. La Eskina, near Napa Junction Comment
  UC197529  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10096 Napa Collins San Francisco Bay Region Comment
  RSA13383  Hemizonia luzulifolia Daniel Cleveland 1882-09 s.n. Napa Aetna Springs. Comment
  UC175984  Hesperevax acaulis var. robustior Joseph P. Tracy May 15 1903-May 18 1903 1864 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC310200  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1931-4-19 6439 Napa Conn Valley Comment
  UCSB46883  Hesperocyparis macnabiana Roos, John 1938-11-19 Napa Pope Valley, Aetha Springs, along creek Comment
  OBI7234  Hesperocyparis sargentii Carl B. Wolf & E. R. Johnson, E. R. Johnson 1934-10-17 6196 Napa On Middletown-Calistoga rd, 300 ft S of Lake Co Line 457 Comment
  SD62069  Hesperocyparis sargentii Darley F. Howe 1965-8-3 Napa just south of Napa-Lake County Line on State Highway #29 Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  CAS-BOT-BC167420  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's 396 Comment
  JEPS129091  Hesperolinon bicarpellatum Jake Ruygt 2016-4-26 6213 Napa Okin Ranch, Chilles Valley. Saint Helena 7.5' Quad. Comment
  RSA151812  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-1 4117 Napa Between Walter Springs and Samuel Springs above Pope Creek, Pope Valley-Monticello road 152 Comment
  UC1862410  Hesperolinon bicarpellatum Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 Comment
  UCD141589  Hesperolinon bicarpellatum Ellen Dean 2013-4-27 7705 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCD167168  Hesperolinon bicarpellatum Jake Ruygt 2015-4-20 6074 Napa Fernandes/ Land Trust, Snell Peak area. 394 Comment
  UCD167348  Hesperolinon bicarpellatum Jake Ruygt 2003-6-7 4541 Napa Mt. George/ Foote Botanical Preserve on 'Tupper road'. 298 Comment
  JEPS122904  Hesperolinon breweri Adam C. Schneider 2015-5-19 934 Napa East of Monticello Rd. (CA Hwy 121) Comment
  OBI57139  Hesperolinon breweri David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24510 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  UC1212214  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa se slope below rock spire west of junction of state highways 37 and 128 (s end of valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  RSA92954  Hesperolinon breweri Peter H. Raven 1951-6-26 s.n. Napa Cappell Valley. 366 Comment
  CAS-BOT-BC176016  Hesperolinon californicum Peter H. Raven 1951-6-26 3079 Napa [Cappell] Capell Valley 365 Comment
  JEPS122905  Hesperolinon californicum Adam C. Schneider 2015-5-19 935 Napa East of Monticello Rd. (CA Hwy 121) Comment
  UC1212439  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4601 Napa s slope Conn Dam (between Rutherford and Chiles Valley); Inner North Coast Ranges 121 Comment
  UC1601241  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4617 Napa road from Rutherford to Monticello (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  HSC101500  Hesperolinon californicum Thomas W. Nelson, Jane P. Nelson 1985-5-26 7809 Napa Along Pope and Charles Valley Rd. at milepost 6 Comment
  UCD167293  Hesperolinon californicum Jake Ruygt 1985-5-25 1606 Napa American Canyon, 0.4 miles east of Flosden Road. 137 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
  UC1212309  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4643 Napa one mi above Aetna Springs (ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  UCD110501  Hesperolinon clevelandii Kathleen Barnes 1973-6-4 61 Napa McDonald Ranch, 1/2 mile up from house, Pope Valley Road. Comment
  CAS-BOT-BC176050  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  UCD167297  Hesperolinon clevelandii Jake Ruygt 2004-5-8 4599 Napa Lone Pine Thicket on private road accessible from Devilhead Road. 633 Comment
  CAS-BOT-BC176236  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Above Knoxville Creek, 0.8 mile south of Knoxville, Monticello Lower Lake road 365 Comment
  JEPS112653  Hesperolinon micranthum Jake Ruygt 1995-6-17 3504 Napa Butts Canyon Road at Snell Valley Road; to SE. 487 Comment
  UC1212276  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4038 Napa above Sage Creek (w side of Chiles Valley); Inner North Coast Ranges, Chiles Valley 259 Comment
  UCD37129  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Napa County, north end of Capell Valley, above Capell Creek. 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
  JEPS32318  Hesperolinon micranthum W. L. Jepson 1934-10-16 16898 Napa betw. St. Helena sanitarium and Four Corners; Howell Mt. Comment
  UC1212411  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4593 Napa Cappell Valley, end of Highway 37 Inner North Coast Ranges 274 Comment
  UC1601273  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4641 Napa slope above Soda Creek Canyon (near Hwy 128 four mi beyond junction of Hwy 37 Locality for HKS 4595); Inner North Coast Ranges, Cappell Valley 213 Comment
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS112652  Hesperolinon spergulinum Jake Ruygt 1983-6-12 1494 Napa Mt. St. Helena 624 Comment
  UC1212376  Hesperolinon spergulinum Helen K. Sharsmith 1951-10-21 4041 Napa 0.5 mi above Aetna Springs (near Aetna Mine); Inner North Coast Ranges 274 Comment
  UC1212397  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-19 4142 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  JEPS11811  Heterocodon rariflorum W. L. Jepson 1936-6-1 17593 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  SEINET265722  Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves 7.2 miles NW of Pope Valley Comment
  UCD159954  Heteromeles arbutifolia Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Top of east slope, above Q48. 243 Comment
  JEPS20393  Heterotheca grandiflora W. L. Jepson 1939-9-11 19474 Napa nw of Saint Helena (at river bridge); Napa River Comment
  CAS-BOT-BC311031  Heterotheca oregona var. compacta John Thomas Howell 1930-10-19 5600 Napa Bed of Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  JEPS106625  Heterotheca oregona var. rudis Jake Ruygt 1991-8-5 2822 Napa .5 mile north of Pope Creek on Berryessa Knoxville Rd. 152 Comment
  SBBG2692  Heuchera micrantha H. and M. Dearing 1939-5-1 3242 Napa cyn on Hart Ranch, St Helena Comment
  UCD133137  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  POM158605  Hoita macrostachya C. C. Parry 1881-1 s.n. Napa Calistoga Comment
  UCD132322  Holocarpha virgata Beecher Crampton 1956-9-28 3882 Napa Southern Capell Valley. Comment
  CAS-BOT-BC324650  Holocarpha virgata Peter H. Raven 1952-8-26 5131 Napa Near Bentley Wharf 15 Comment
  UCD113346  Holodiscus discolor Beecher Crampton 1965-6-17 7424 Napa Napa county line, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  CAS-BOT-BC315796  Holozonia filipes Peter H. Raven 1952-8-28 5162 Napa Road below Napa Soda Springs 213 Comment
  UCD85462  Hordeum brachyantherum subsp. californicum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  CAS-BOT-BC284999  Hordeum depressum Peter H. Raven 1957-5-5 10752 Napa Calistoga 91 Comment
  POM263252  Hordeum marinum subsp. gussoneanum J. C. Roos 1939-5-13 273 Napa Angwin, Howell Mt. Comment
  UC187092  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1903-5-18 1855 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD85898  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-1 s.n. Napa Between Montecello and Knoxville Comment
  UCD18150  Hordeum murinum subsp. leporinum Jean Shepard; with Plant Biology 102 class 2000-4-29 204 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  JEPS110558  Horkelia californica subsp. dissita Jake Ruygt 1982-6-29 1349 Napa .2 mile south south of Old Bale Mill on west side of HWY 29 97 Comment
  JEPS106982  Hydrocotyle sibthorpioides Doreen Smith Nov 2003 s. n. Napa lawn of Silverado Country Club, E edge Napa Valley on NE side of Napa 39 Comment
  CAS-BOT-BC410804  Hypericum concinnum John H. Thomas 1955-5-21 5097 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  JEPS66804  Hypericum formosum var. scouleri W. L. Jepson 1893-6-26 13963 Napa Howell Mt. Comment
  UCD18373  Iris R. Wenk 2000-5-14 11 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  SEINET4170694  Iris fernaldii Unknown 1966-5-7 Napa St. Hwy 128, 15 mi. NW of Rutherford. 152 Comment
  UCD138728  Iris fernaldii R. H. Miller 1949-5-8 48 Napa beside Highway 37, about 10 miles northeast of Napa. Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  SEINET3876029  Iris macrosiphon L. Constance 1938-4-22 2132 Napa Above Dry Creek 2 miles West of Yountville, Miyakma Mountains, North Coast Ranges.; 0 457 Comment
  UC614451  Iris macrosiphon L. Constance 1938-4-22 2132 Napa 2 mi w Yountville (above Dry Creek); North Coast Ranges, Miyakma Mountains 457 Comment
  UCD166694  Iris macrosiphon Jake Ruygt 2007-4-15 5146 Napa Las Posadas State Forest, edge of upper meadow. 518 Comment
  UCD48726  Iris orientalis Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along road to research station. 411 Comment
  JEPS122771  Isatis tinctoria Jake Ruygt 2011-5-14 5785 Napa Chiles-Pope Valley Road near old barn. Quad: Chiles Valley. Comment
  RSA170232  Isoetes nuttallii Joseph P. Tracy 1950-5-23 18659 Napa La Jota Plateau, on hills at head of Moore s Creek, 5 miles east of Angwin s, Howell Mountain. 518 Comment
  CDA39575  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19938 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  JEPS126036  Juncus balticus Jake Ruygt 1978-4-6 1287 Napa Suscol plain between Kaiser and Highway 29 (Rocktram). Cuttings Wharf 7.5' Quad. Comment
  UCD141338  Juncus balticus subsp. ater H. MacKenzie 1949-5-29 22 Napa 5 miles west of St. Helena. Comment
  UCD166699  Juncus covillei Jake Ruygt 2010-6-21 5631 Napa Van Ness Creek at north entrance into Bear Valley. 615 Comment
  JEPS122657  Juncus effusus subsp. pacificus Jake Ruygt 1985-5-25 1601 Napa American Canyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  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
  JEPS122660  Juncus kelloggii Jake Ruygt 1998-6-20 4041 Napa On Palisades trail from RLSSP, east of Table Rock. Quad: Detert Reservoir. Comment
  JEPS122683  Juncus kelloggii Jake Ruygt 2007-5-17 5180 Napa Duff Ranch, NE of Grassy Hill. Quad: Calistoga. Comment
  UC1103653  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
  JEPS126058  Juncus occidentalis Jake Ruygt 2006-6-3 5047 Napa Las Posadas State Forest north of Fire Station. Saint Helena 7.5' Quad. Comment
  UCD168530  Juncus occidentalis 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
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 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
  JEPS122661  Juncus phaeocephalus var. paniculatus Jake Ruygt 1978-5-27 340 Napa 7.7 miles NE of Monticello Road on Atlas Peak Road. Quad: Capell Valley. Comment
  RSA293538  Juncus xiphioides C. W. Tilforth, John Dourley 1979-7-22 1857 Napa 0.4 miles south of Park Headquarters, west side of Lake Berryesa. 137 Comment
  UCD167059  Juniperus occidentalis Jake Ruygt 1998-6-24 4057 Napa Taylor Bluff, Blue Ridge. 743 Comment
  CAS-BOT-BC236774  Keckiella breviflora H. E. McMinn 1922-6-8 207 Napa Along Pope Creek Comment
  JEPS24507  Kickxia elatine J. H. Thomas 1960-8-29 8840 Napa about 1 mi n Calistoga (along Highway 53) Comment
  RSA475215  Kickxia elatine Aaron Liston, Sara Meury 1987-6-6 676 -1 Napa Bothe - Napa Valley State Park. 150 Comment
  UC1178880  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 mi n Calistoga (bed of Napa River); Napa River Comment
  POM222621  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, Napa Valley. Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  UCR146395  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa Inner North Coast Ranges, 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128 259 Comment
  SD147586  Laburnum anagyroides Greg de Nevers, Susan Charnley 1987-6-19 8229 Napa Robert Louis Stevenson State Park, Mt. St. Helena. 750 Comment
  UC1536759  Lactuca serriola G. H. True 1937-10-12 843 Napa roadside near Lokoya Lodge 304 Comment
  CAS-BOT-BC123304  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  CAS-BOT-BC341424  Lagophylla minor A. A. Heller 1941-5-16 16130 Napa A mile or two west of Knoxville Comment
  CAS-BOT-BC341431  Lagophylla minor Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5350 Napa North side of Pope Creek, between Samuels Springs and Walters Springs 243 Comment
  JEPS7756  Lagophylla ramosissima Peter H. Raven 1952-6-28 4196 Napa Conn Valley 121 Comment
  CAS-BOT-BC341559  Lagophylla ramosissima H. M. Hall 1931-5-26 13092 Napa Twelve miles by road south of Monticello; near Capell Comment
  JEPS19934  Lagophylla ramosissima Willis L. Jepson 1894-7-19 Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS85022  Lamarckia aurea Larry Heckard, Mary Ashton 1969-5-3 2220 Napa 7 mi ne of Napa (Mead Ranch of the Atlas Peak Road); Mead Ranch 510 Comment
  JEPS63235  Lamium amplexicaule W. L. Jepson 1910-3-28 4019 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  RSA3634  Lamium amplexicaule I. L. Wiggins 1932-2-12 5749 Napa Growing in orchard 1 mi. N. of town, Calistoga. Comment
  SBBG40959  Lamium purpureum M. M. Ackley 1959-4-4 Napa near St Helena Comment
  UCD124931  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa near St. Helena. Comment
  CAS-BOT-BC338262  Lasthenia californica Carl B. Wolf 1928-5-3 1786 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC338267  Lasthenia californica John Thomas Howell 1926-3-27 1761 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC338268  Lasthenia californica John Thomas Howell 1926-3-27 1749 Napa Soscol Comment
  CAS-BOT-BC338273  Lasthenia californica Peter H. Raven 1951-5-26 2886 Napa Butts Canon [Canyon] 304 Comment
  CAS-BOT-BC338275  Lasthenia californica Gilbert Muth 1967-4-16 633 Napa Snell Valley 182 Comment
  JEPS10176  Lasthenia californica subsp. californica W. L. Jepson 1893-5-2 Napa Calistoga Comment
  UCD48593  Lasthenia californica subsp. californica Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  SEINET10669273  Lasthenia californica subsp. californica John T. Middleton 1936-3-21 Middleton 75 Napa Monticello, Ca. Comment
  UCD15013  Lasthenia californica subsp. californica Kay Wilder 1977-4-24 23 Napa along Pope Canyon Road, 15.6 miles N of Knoxville junction. 384 Comment
  JEPS106624  Lasthenia glaberrima Jake Ruygt 1986-5-1 1736 Napa Imola Ave. NW of McDonald's restaurant 4 Comment
  CAS-BOT-BC355483  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  UC33070  Lasthenia glabrata subsp. glabrata Willis L. Jepson 1894-1-1 Napa Conn Valley Comment
  UC496104  Lathyrus aphaca Mrs. Ernest Lloyd 1931-5-5 Napa Howell Mountain 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
  NY15638  Lathyrus puberulus G. Thurber 03 1852 485 Napa Comment
  POM128965  Lathyrus sulphureus H. P. Chandler 1907-5-14 7578 Napa White Sulphur Spring, St. Helena. Comment
  JEPS107266  Lathyrus torreyi Jake Ruygt 1994-4-9 3346 Napa Las Posados Sate Forest on Moore Creek Trail. 487 Comment
  JEPS107262  Lathyrus vestitus var. vestitus Jake Ruygt 1976-5-7 62 Napa 8.4 miles NE of Westgate Dr. on Atlas Peak Road 646 Comment
  JEPS107263  Lathyrus vestitus var. vestitus Jake Ruygt 1994-3-26 3338 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  UC2029553  Lathyrus vestitus var. vestitus Richard R. Halse 2013-3-27 8752 Napa Along State Highway 128, ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa Comment
  UCD21552  Lathyrus vestitus var. vestitus A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 6 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 313 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
  JEPS64868  Lathyrus vestitus var. vestitus W. L. Jepson 1938-5-25 18858 Napa outside Bell Canyon; Howell Mt. 579 Comment
  CAS-BOT-BC323190  Layia chrysanthemoides John Thomas Howell 1926-3-27 1754 Napa Soscol Comment
  CAS-BOT-BC323200  Layia chrysanthemoides H. M. Hall 1931-5-26 13084 Napa Sonoma-Napa Road. Comment
  JEPS39186  Layia chrysanthemoides Elsie Kraeger 1926-3-27 Napa meadow near Soscol Comment
  UC169317  Layia chrysanthemoides Joseph P. Tracy 1902-5-26 1635 Napa near Calistoga; Northern Coast Ranges, Napa Valley 243 Comment
  UCD161779  Layia chrysanthemoides Jake Ruygt 1998-4-22 3929 Napa Berryessa-Knoxville Road about 3/4 mile south of Knoxville. 316 Comment
  SBBG8517  Layia gaillardioides H. and M. Dearing 1939-4-28 3220 Napa near Fairfax Comment
  JEPS34473  Lemna minuscula L. R. Heckard 1964-5-23 1362 Napa about 2 mi sw of Aetna Springs (Cleary Reserve (Nature Conservancy)); Cleary Reserve (Nature Conservancy) 365 Comment
  CAS-BOT-BC534948  Lemna minuta Evelina Cannon 1901-7-15 s.n. Napa Johannisberg Comment
  CAS-BOT-BC221496  Lepechinia calycina Peter H. Raven 1952-5-26 4067 Napa Steel Canyon 304 Comment
  JEPS110792  Lepechinia calycina Jake Ruygt 1992-5-15 2968 Napa Wild Horse Valley Ranch, west of road north of polo field 499 Comment
  JEPS110793  Lepechinia calycina Jake Ruygt 1989-6-3 2362 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCLA64436  Lepechinia calycina Joseph Andorfer Ewan 1934-5-30 8859 Napa Sarco Creek 4 mi above Napa Comment
  UC856367  Lepidium dictyotum var. acutidens Milo S. Baker 1936-4 7571 Napa Calistoga Geysers Comment
  UCD82341  Lepidium nitidum Robin McMaster 1973-4-20 331 Napa 14 mi S of Pope Valley. Comment
  JEPS53708  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Calistoga Comment
  CAS-BOT-BC12925  Lepidium strictum A. A. Heller; H. E. Brown 1902-4-25 5363 Napa Near Napa. Comment
  CAS-BOT-BC12926  Lepidium strictum A. A. Heller; H. E. Brown 1902-4-25 5363 Napa Near Napa. Comment
  UCD161697  Lepidium strictum Jake Ruygt 2010-5-20 5560 Napa west end of Soscol Ferry Road, 100 yards from Napa River. 6 Comment
  UCD118587  Leptosiphon androsaceus G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12025 Napa University of California Quail Ridge Reserve, open grasslands at entrance gate. 290 Comment
  UCD118592  Leptosiphon androsaceus M. Sidells 1996-4-27 16 Napa next to path on north-facing hill at southwest side of Lake Berryessa, 150 m northeast of Knoxville Road. 250 Comment
  HSC83421  Leptosiphon androsaceus Dave Read 1975-5-3 29 Napa Knoxville-Berryessa Rd., 16.2 mi. N of jct. with Hwy. 128 244 Comment
  OBI6321  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  POM182717  Leptosiphon androsaceus D. D. Keck 1931-4-3 1070 Napa Pope creek canyon, near Walter Springs Comment
  RSA137141  Leptosiphon androsaceus Verne Grant 1960-4-9 10185 Napa Road to Lake Berryessa of Winters-Napa Road. 229 Comment
  RSA468551  Leptosiphon androsaceus L. S. Rose 1935-4-18 35102 Napa Steel Canyon Comment
  UCD49212  Leptosiphon bicolor Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 167 Comment
  UCD167231  Leptosiphon bolanderi Jake Ruygt 2003-3-31 4486 Napa South of historic Knoxville on ridge to west. 445 Comment
  UCD91277  Leptosiphon ciliatus Paul A. Aigner 2008-4-4 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 Comment
  HSC45348  Leptosiphon parviflorus R. York 1978-4-8 110 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD118995  Leptosiphon parviflorus M. Wiesendanger 1927-5-4 674 Napa near Monticello. Comment
  UCD48066  Leptosiphon parviflorus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 10 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on lower reaches of research hill. 655 Comment
  JEPS106605  Lessingia hololeuca Jake Ruygt 1992-8-3 3115 Napa east of Spencer Creek near Solano County line 313 Comment
  JEPS8455  Lessingia hololeuca Peter H. Raven 1952-8-26 5147 Napa 3/4 mi w of Buchli Sta.; Railroad Comment
  UC1283740  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa Tubbs Lane 2 mi n Calistoga (ditch along road) Comment
  CAS-BOT-BC444419  Lewisia rediviva Colleena Stewart 1918-4-29 s.n. Napa Mt. St. Helena Comment
  UC472  Lilaea scilloides Willis L. Jepson 1893-4-26 Napa near Yountville; Napa River Basin Comment
  JEPS89888  Lilaeopsis masonii Dean Wm. Taylor with Glenn L. Clifton 1990-5-30 10815 Napa Napa R. in Napa, ca. 150 meters downstream of Third St. bridge, on west bank. Comment
  JEPS122716  Lilium pardalinum Jake Ruygt 1984-6-23 1569 Napa St. Helena Creek near Livermore Road. Quad: Detert Reservoir. Comment
  POM290969  Lilium rubescens Lyman Benson 1929-6-29 s.n. Napa Mt. St. Helena Comment
  JEPS19595  Limnanthes douglasii Hilda Gehringer 1920-4-1 Napa Capell Valley Comment
  JEPS112544  Limnanthes douglasii subsp. douglasii Jake Ruygt 1978-3-31 250 Napa east of HWY 29 on Suscol Hill 4 Comment
  JEPS112566  Limnanthes douglasii subsp. nivea Jake Ruygt 1994-4-16 3350 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  OBI12592  Limnanthes douglasii subsp. nivea R. L. Hoover 1968-4-20 53 Napa On Howell Mtn Rd, on W side of rd at Angwin 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
  JEPS112562  Limnanthes floccosa subsp. floccosa Jake Ruygt 1993-4-3 3180 Napa Little Bear Valley 676 Comment
  JEPS58155  Linanthus androsaceus E. V. Ferguson 1920-5-15 352 Napa Howell Mt. Comment
  UC133860  Linanthus androsaceus Brannan 1870-1 Napa Comment
  JEPS58378  Linanthus dichotomus W. L. Jepson 1924-4-6 10313 Napa Conn Valley Napa Range 91 Comment
  UC146062  Linanthus dichotomus H. P. Chandler 1907-4-25 7535 Napa Conn Valley Comment
  UC52757  Linanthus dichotomus J. P. Tracy 1899-6-14 431 Napa Howell Mt. Comment
  POM260859  Linanthus dichotomus subsp. meridianus J. T. Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  JEPS58233  Linanthus jepsonii W. L. Jepson 1924-4-6 10315 Napa Conn Valley Napa Range 91 Comment
  JEPS58098  Linanthus latisectus W. L. Jepson 1897-5-2 20940 Napa sw of Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  JEPS110968  Linanthus parviflorus Jake Ruygt 1986-3-29 1672 Napa Blue Ridge above Toll Canyon 432 Comment
  CHSC4451  Lithocarpus densiflorus J. Potter 1967-6-26 312 Napa On Forest Service road to top of Mt. St. Helena, 1/4 mi. up from its beginning on State Hwy 29. 914 Comment
  UCD102700  Lithophragma affine David Lawfer 1952-3-29 139 Napa Napa. Comment
  UC11891  Lithophragma bolanderi W. L. Jepson 1893-4-24 Napa hills e St. Helena Comment
  RSA10663  Lithophragma heterophyllum Carl B. Wolf 1928-5-3 1826 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS106957  Logfia filaginoides Jake Ruygt 1982-4-3 1162 Napa 3.2 miles north of Loma Vista on Soda Canyon Rd. 335 Comment
  UCSC009036  Logfia filaginoides Dylan M. Neubauer 2015-4-26 138 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction with Snell Valley Road 200 Comment
  JEPS20920  Logfia filaginoides Willis L. Jepson 1896-6-1 Napa Helena Napa River Basin, Helena Comment
  JEPS20922  Logfia filaginoides W. L. Jepson 1897-6-2 Napa Napa Valley Comment
  JEPS33569  Logfia gallica W. L. Jepson 1936-6-2 17614 Napa hills to e Yountville (on e side road); Napa Valley Comment
  JEPS84597  Logfia gallica John W. Willoughby 1977-4-20 2146 Napa w side of range The Vaca Mountains (lattitude approximately that of Mount Vaca) 457 Comment
  UCD121179  Lolium multiflorum Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7358 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UC38778  Lolium perenne Willis L. Jepson 1893-1 Napa Napa Valley Comment
  NY406043  Lomatium ciliolatum var. hooveri M. E. Mathias 1937-5-23 1298 Napa 1.9 mile southeast of Napa-Lake County line on road to Knoxville Comment
  UCD127626  Lomatium dasycarpum Robert E. Preston 1987-6-18 564 Napa around 1/2 mile east of Round Corral, Big Basin. 182 Comment
  UCD63183  Lomatium dissectum var. dissectum Jake Ruygt 1989-4-22 2262 Napa 4.7 miles NE of Atlas Peak Rd. on Monticello Rd. 286 Comment
  UCD18047  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 598 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
  UCD18069  Lomatium hooveri Ellen Dean; with Plant Biology 102 class 2000-4-22 624 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
  CHSC108731  Lomatium macrocarpum B. Castro; L. P. Janeway 2002-5-12 1359 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  JEPS17118  Lomatium macrocarpum Willis L. Jepson 1893-4-24 14384 Napa hills e. of St. Helena to Conn Valley Grade (Howell Mt. foothills); Howell Mt. foothills Comment
  POM132573  Lomatium marginatum C. F. Baker 1903-5-8 2971 Napa Knoxville. Comment
  JEPS104549  Lomatium marginatum var. purpureum Jake Ruygt 1986-3-29 1678 Napa Devilshead Rd.; ''sensitive plant canyon'' 441 Comment
  JEPS41087  Lomatium marginatum var. purpureum Rimo Bacigalupi and L. R. Heckard 1965-5-15 9090 Napa 0.5 mi. s.e. of Devilhead Rd. from Knoxville to Cedar Valley (headwaters of Zim Zim Creek); Zim Zim Creek 487 Comment
  HSC44004  Lomatium utriculatum Robert M. Specht 1977-4-13 659 Napa 524 Comment
  UCD148803  Lomatium utriculatum Ellen Dean; Diana Hickson 2014-4-29 8110 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  UCD149637  Lomatium utriculatum 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
  UCD164761  Lomatium utriculatum Jake Ruygt 2014-4-7 5917 Napa Sutro Ranch, south end near Foss. 700 Comment
  JEPS84632  Lomatium utriculatum John W. Willoughby 1977-4-20 2158 Napa w. side of range in shallow draw just below ridge Vaca Mts. 731 Comment
  SBBG5222  Lomatium utriculatum H. and M. Dearing 1939-5-3 3272 Napa Child's Valley, near St Helena Comment
  UCD16040  Lomatium utriculatum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 20 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7'' N, 122 deg. 20' 22.4'' W; 396 m. Comment
  UCD137355  Lonicera interrupta K. Esau 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD23430  Lotus humistratus Fumi Takeda 1977-4-16 24 Napa Yellow petals, stems branching from base, tap root slender. Foothill woodland, open meadow adjacent to Hwy 128. 6.4 miles southwest from Monticello Dam. 182 Comment
  UC1300861  Lotus micranthus Helen K. Sharsmith 1963-4-20 5340 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  JEPS107207  Lotus purshianus var. purshianus Jake Ruygt 1986-6-28 1845 Napa Mt. Millhouse Camp, Mt.St.Helena 505 Comment
  UC1051753  Lotus scoparius Helen K. Sharsmith 1953-6-15 4186 Napa just w junction of Cappell Valley and Monticello roads (se slope of Cappell Valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  RSA568530  Lotus unifoliolatus T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  UCD167263  Ludwigia palustris Jake Ruygt 1991-6-29 2749 Napa Fawn Lake, Friesen's Lakes, Angwin. 585 Comment
  UCD167267  Ludwigia palustris Jake Ruygt 1992-6-2 3015 Napa Leoma Lakes, Wild Horse Valley Ranch. 402 Comment
  CAS-BOT-BC60254  Lunaria annua Peter H. Raven 1950-5-6 2032 Napa Southern limits of Calistoga on Route 28. 60 Comment
  CAS-BOT-BC198366  Lupinus albifrons C. B. Wolf 1928-2-25 1486 Napa On Mt. St. Helena Grade, 2 miles below Hawkins Mt. Camp Comment
  JEPS64923  Lupinus albifrons Willis L. Jepson 1893-4-25 54 t Napa trail to Caux's Cabin (w of St. Helena); Napa River Basin Comment
  UC725890  Lupinus albifrons A. A. Heller 1940-5-6 15587 Napa just below the summit crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena just below summit Comment
  SEINET197847  Lupinus albifrons Mrs. H. P. Bracrlin 1930-3-29 5 m-3'30 Napa N.W. flaubs of Int. Yanger. Uprn Firddes abouth 1M. Prigles Comment
  CAS-BOT-BC201547  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1940-4-7 s.n. Napa South slope of Mt. St. Helena Comment
  CAS-BOT-BC201548  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-3-22 1131 Napa Howell Mt. Comment
  CAS-BOT-BC201559  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC196281  Lupinus albifrons var. eminens Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  CAS-BOT-BC196283  Lupinus albifrons var. eminens Eliz. Parsons Hawver 1915-6-3 s.n. Napa Skaggs Springs Comment
  POM10771  Lupinus albifrons var. eminens C. F. Baker 1903-4-20 2603 Napa Mt. St. Helena. Comment
  UCD18166  Lupinus bicolor 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
  UCD83723  Lupinus bicolor Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 2 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 185 Comment
  UC126964  Lupinus bicolor Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin, Napa City Comment
  RSA264961  Lupinus bicolor subsp. umbellatus George E. Johnston 1974-4-4 10739 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  UC127048  Lupinus formosus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows, Howell Mt. Napa River Basin 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
  POM66217  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC15892  Lupinus latifolius var. latifolius W. L. Jepson June 1891 Napa Vaca Mts. Comment
  UCD161788  Lupinus microcarpus Jake Ruygt 1998-4-27 3946 Napa Foley Creek Basin, west ridge, east of Berryessa-Knoxville Road. 414 Comment
  JEPS107219  Lupinus microcarpus var. densiflorus Jake Ruygt 1986-4-20 1715 Napa HWY 29 north of Oakville 42 Comment
  RSA659034  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa Ca 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  SBBG114094  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa St Hwy 128 E, 7.2 mi E of jct with Hwy 121, 2.9 mi W Monticello Dam, Lake Berryessa 274 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
  UCD47992  Lupinus microcarpus var. microcarpus Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 21 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD164857  Lupinus microcarpus var. microcarpus Jake Ruygt 2013-5-7 5905 Napa Eticuera Creek at Zim-Zim Creek inflow. 207 Comment
  JEPS107245  Lupinus nanus Jake Ruygt 1980-3-30 821 a Napa St.Helena High School 70 Comment
  UCD48956  Lupinus nanus S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 12 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
  UCD48960  Lupinus nanus C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; between West Rd. and Decker Bay Trail, N side of creek, just SW and downslope of West Rd. 167 Comment
  CAS-BOT-BC202222  Lupinus sericatus Charles Piper Smith 1931-5-2 4501 Napa Toll House Inn Comment
  CAS-BOT-BC202227  Lupinus sericatus John Thomas Howell 1934-3-26 11797 Napa Summit of highway, (at Molly Patten's), Mt. St. Helena Comment
  JEPS107244  Lupinus sericatus Jake Ruygt 1980-5-3 866 Napa Aetna Mine Rd. at Twin Peaks 716 Comment
  POM125418  Lupinus sericatus Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  UC1745944  Lupinus sericatus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2776 a Napa Headwaters of Moore Creek, Las Posadas State Forest. 3-4 mi. E of Angwin. 518 Comment
  UC527962  Lupinus sericatus R. Bacigalupi, R. S. Ferris, and I. L. Wiggins 1933-6-2 6666 Napa on road to Aetna Springs 3 mi n Pacific Union College (on Howell Mt.); n of Pacific Union College (on Howell Mt.) Comment
  SEINET12165201  Lupinus sericatus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -304 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UCD47984  Lupinus succulentus R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 11 Napa The border of 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 burned area (burned Oct 1999). 640 Comment
  SEINET10490282  Lupinus vallicola subsp. apricus Ira L. Wiggins 1932-3-12 Wiggins 5765 Napa Between franz valley and calistoga. Comment
  UCD118560  Luzula subsessilis Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road. 519 Comment
  CHSC102263  Lythrum hyssopifolia Lowell Ahart 2009-10-27 16488 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC343831  Madia elegans Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS40349  Madia elegans W. L. Jepson 1892-8-1 Napa Napa Valley Comment
  UCD159955  Madia exigua Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  CAS-BOT-BC344449  Madia exigua J. Clausen 1935-5-22 1070 Napa One mile east of Chiles Valley Store Comment
  JEPS106551  Madia gracilis Jake Ruygt 1983-6-1 1485 Napa HWY 12 at Sonoma Co.line 94 Comment
  JEPS40218  Madia gracilis W. L. Jepson 1893-5-8 Napa New Eden Howell Mt. Comment
  UCD48577  Madia gracilis Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  RSA128374  Madia nutans P. H. Raven 1950-4-15 1752 Napa Wooden Valley grade above Napa. 457 Comment
  JEPS106679  Madia sativa Jake Ruygt 1987-6-6 2035 Napa end of Redwood Rd.private residence of Mr.Kublor 396 Comment
  RSA51298  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1732 Napa Wooden Valley grade above Napa 305 Comment
  UCD167282  Malacothamnus fremontii Jake Ruygt 1998-6-24 4059 Napa Goslin Canyon, south of hunting camp. 192 Comment
  UCD63150  Malacothrix clevelandii Jake Ruygt 2005-6-1 4885 Napa Knoxville Wildlife Area; Blue Ridge, 1 mile N of Mays Flat. 719 Comment
  UC33286  Malacothrix floccifera Edw. L. Greene July, 1891 Napa St. Helena Comment
  UCD170676  Malacothrix floccifera Matthew Conner; Plant Science 102 class 2018-4-28 12 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
  UCD170680  Malacothrix floccifera 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD21543  Malacothrix floccifera B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 9 Napa California, Napa County, McLaughlin Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, N side of road. 487 Comment
  POM216233  Malacothrix floccifera D. D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs. Comment
  UCD18051  Marah fabacea Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 604 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  JEPS42483  Marah oregana Willis L. Jepson 1897-5-2 14129 Napa St. Helena Napa River Basin Comment
  JEPS120398  Marah watsonii Jake Ruygt 1982-3-16 1128 Napa Capell Valley north of Monticello Road Comment
  UCD136577  Marsilea vestita subsp. vestita Kurt Santarius 1967-9-10 s.n. Napa Lake Hennessey. Comment
  POM66927  Medicago polymorpha Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD15989  Medicago polymorpha C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 27 Napa McLaughlin Reserve,North of Knoxville-Berryessa Rd. Along old Knoxville Rd., just S of site of lod town of Knoxville, W side of road. 38 deg. 49' 38.7'' N; 122 deg. 20' 22.4'' W; 420 m. Comment
  UCD112047  Melica Christopher Mallek 2008-5-12 AS2- 19 Napa Aetna Springs. 668 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
  UC767182  Melica californica R. F. Hoover 1941-5-10 499 Napa between St. Helena and Calistoga 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
  UCR212329  Melica californica Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  OBI21986  Melica geyeri Peter H. Raven 1957-5-5 10757 Napa Hills at the W edge of Calistoga Comment
  POM263002  Melica geyeri J. C. Roos 1939-5-12 317 Napa Angwin, Howell Mtn., Napa Range. Comment
  SEINET10959851  Melica geyeri var. aristulata Prouty 1980-4-12 PROUTY 862 Napa Roadbank of Hyw 29 ca. 4.5 mi sw of summit at R.L. Stevenson State Park. Mixed evergreen Forest. T9N, R7W, Sec. 23. 800 Comment
  JEPS122947  Melica harfordii Jake Ruygt 1987-5-16 2001 Napa Devil's Canyon, below the falls. Quad: Sonoma. Comment
  CAS-BOT-BC264214  Melica torreyana Peter H. Raven 1953-3-29 5219 Napa Hills e. of Imola 121 Comment
  HSC10377  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS129103  Melica torreyana Jake Ruygt 2016-5-3 6227 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  LA12170  Melica torreyana Alice Eastwood; 1922-5-4 11247 Napa Calistoga Comment
  SBBG29012  Melica torreyana B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UC1103166  Melica torreyana Joseph P. Tracy 1933-6-2 12465 Napa 5 mi e St. Helena (Howell Mt Road); Northern Coast Ranges 304 Comment
  UC421629  Melica torreyana Alice Eastwood 1922-5-4 11247 Napa Calistoga 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
  UCD149633  Melica torreyana G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD89191  Melica torreyana D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. 250 Comment
  JEPS112580  Melissa officinalis Jake Ruygt 1979-7-12 749 Napa 1.4 miles SW of HWY 128 on Monticello Rd 243 Comment
  JEPS63287  Melissa officinalis W. L. Jepson 1934-10-19 16904 Napa Napa R. near St. Helena; San Francisco Bay vicinity, Napa R. Comment
  UC126552  Melissa officinalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7107 Napa Alta Loma Ranch, Howell Mt. Howell Mt., Alta Loma Ranch 487 Comment
  JEPS120372  Mentha suaveolens Jake Ruygt 1986-6-28 1852 Napa Near intersection of Chiles-Pope Valley. Road and Lower Chiles Valley Road. Capell Valley 7.5' Quad. 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
  CDA10905  Micropus californicus G. F. Hrusa, M. Rejmanek 1993-5-15 11001 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SEINET205166  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek ca .5 mi W of Devilhead Rd ca 3 mi SSW of Knoxville Comment
  UCD47915  Micropus californicus var. californicus Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 16 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  CAS-BOT-BC348546  Micropus californicus var. californicus L. S. Rose 1927-5-28 s.n. Napa Napa Valley Comment
  RSA695590  Micropus californicus var. californicus Keith E. Hoffmaster 1946-4-13 1048 Napa Putah Canyon, Coast Range Comment
  CAS-BOT-BC348964  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-21 5163 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS36151  Microseris douglasii subsp. douglasii W. L. Jepson 1893-5 Napa Howell Mt. Comment
  UC50033  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UCD161530  Microseris douglasii subsp. douglasii Jake Ruygt 1991-5-29 2701 Napa Duhig Road about 1 mile south of Highway 12. 39 Comment
  CAS-BOT-BC349101  Microseris douglasii subsp. tenella Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  JEPS122679  Microseris laciniata subsp. laciniata Jake Ruygt 1982-6-1 1302 Napa 0.3 miles north of Chimney Rock Golf Course on Silverado Trail. Quad: Yountville. Comment
  UCD63151  Microseris sylvatica Jake Ruygt 1998-4-27 3936 Napa 1/2 mile south of Knoxville Rd, east of Berryessa-Knox. Rd. 426 Comment
  JEPS110573  Mimulus angustatus Jake Ruygt 1990-5-5 2527 Napa south of Leoma Lakes; Wild Horse Valley Ranch 429 Comment
  JEPS128902  Mimulus angustatus Jake Ruygt 1994-4-9 3345 Napa Los Posadas State Forest. Saint Helena 7.5' Quad. Comment
  UC1245370  Mimulus angustatus Joseph P. Tracy 1950-5-23 18660 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UCD49287  Mimulus aurantiacus Kook Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; along West Road, N of jct with Decker Canyon Rd.; along roadside. 219 Comment
  RSA491727  Mimulus aurantiacus var. aurantiacus James L. Reveal 1987-6-7 6398 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville. 610 Comment
  UCD122427  Mimulus bolanderi S. E. Schoenig 1998-6-3 98- 20 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. 655 Comment
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Apr 20 2017
  UCD122512  Mimulus cardinalis D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UC125330  Mimulus congdonii unknown Napa Howell Mountain Comment
  UCD84984  Mimulus congdonii Dena Grossenbacher 2009-3-3 948 Napa East side of Bell Creek about 75 meters up slope from creek. Wildlake Preserve, Napa County Land Trust property. 461 Comment
  POM204271  Mimulus congdonii J. T. Howell 1931-4-2 6071 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UC103695  Mimulus guttatus T. S. Brandegee Aug. 1888 Napa Howell Mt. Comment
  UCD170682  Mimulus guttatus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  JEPS11033  Mimulus guttatus W. L. Jepson 1892-3-25 68 m Napa crest above Collins Camp; Vaca Mts. Comment
  RSA114031  Mimulus guttatus Peter H. Raven 1957-5-5 10754 Napa Calistoga. Comment
  JEPS110609  Mimulus layneae Jake Ruygt 1980-6-17 921 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 640 Comment
  JEPS128876  Mimulus layneae Jake Ruygt 2000-6-10 4270 Napa Devilhead Road at top of first grade. Knoxville 7.5' Quad. Comment
  UC527936  Mimulus layneae R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6681 Napa 10 mi from Howell Mt.; Butt's Canyon Comment
  UCD160648  Mimulus layneae Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8734 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD85032  Mimulus layneae Dena Grossenbacher 2009-5-14 991 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 Comment
  UCD96138  Mimulus layneae Dena Grossenbacher; Brian Green 2008-5-7 821 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  NY90742  Mimulus luteus var. gracilis G. Thurber 03 1852 498 Napa Comment
  JEPS10453  Mimulus microphyllus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Comment
  JEPS11442  Mimulus microphyllus Willis L. Jepson 1893-5-8 10 m Napa La Jota Plateau Napa River Basin, Howell Mountain Comment
  JEPS11347  Mimulus nasutus Willis L. Jepson 1893-5-1 5 m Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS11352  Mimulus nasutus Willis L. Jepson 1893-5-1 6 m Napa w Calistoga; Napa River Basin Comment
  JEPS110598  Mimulus nudatus Jake Ruygt 1991-5-25 2693 a Napa Paradise Valley 280 Comment
  UC1196778  Mimulus pulsiferae J. P. Tracy 1902-5-19 1566 Napa 3-4 mi e Angwin's (in stream bed); Howell Mountain, La Jota Plateau, head of Moore's Creek 518 Comment
  UCD159789  Minuartia californica James A. Neilson Jr. 1975-4-13 3151 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  CAS-BOT-BC467200  Minuartia californica L. R. Abrams 1928-5-2 12222 Napa St. Helena Grade Comment
  SBBG50727  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 mi E of Middletown 304 Comment
  SFV8436  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 miles east of Middletown. 305 Comment
  CAS-BOT-BC388754  Minuartia douglasii L. R. Abrams 1928-5-3 12222 Napa St. Helena Grade Comment
  JEPS51499  Minuartia douglasii W. L. Jepson 1938-5-22 18824 Napa Snell Valley Comment
  UCD125050  Monardella douglasii Jane Valerius 1998-6-22 s.n. Napa ca. 4 air miles northeast of Vallejo and ca. 1.5 miles west of Hwy 80, along banks and at top of unnamed south-trending tributary to American Canyon Creek. 60 Comment
  CAS-BOT-BC220614  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  POM194200  Monardella villosa subsp. villosa J. T. Howell 1929-5-30 4270 Napa Pope Valley Creek near Samuels Springs, Napa Range. Comment
  JEPS62404  Monardella villosa subsp. villosa W. L. Jepson 1923-6-3 9969 Napa Calistoga Napa Valley 91 Comment
  UCD166665  Monardella villosa subsp. villosa Jake Ruygt 1998-7-11 4082 Napa Blue Ridge, about 1.5 miles north of Mays Flat. 701 Comment
  CAS-BOT-BC220694  Monardella viridis Peter H. Raven 1951-8-21 3874 Napa Mt. Veeder 762 Comment
  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
  JEPS110825  Monardella viridis subsp. viridis Jake Ruygt 1982-7-18 1368 Napa Cedar Roughs near Guilliam Springs 298 Comment
  SEINET10582242  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 370 Napa Rte. 128, 3.1 miles east from junction with Pope Valley Rd., on left roadside. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  JEPS43263  Montia fontana W. L. Jepson Apr. 1893 Napa Napa Valley Comment
  SBBG21244  Muhlenbergia andina B. Crampton 1959-8-26 Napa N end of Capell Valley, St Hwy 128 Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  JEPS129123  Najas marina Jake Ruygt 2012-11-3 5889 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  JEPS75633  Nassella cernua W. L. Jepson 1936-5-28 17540 Napa Adam-and-Eve Ridge Howell Mt. Comment
  JEPS75637  Nassella cernua W. L. Jepson 1936-5-28 17544 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC526761  Nassella cernua Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi e St. Helena; North Coast Ranges 304 Comment
  CAS-BOT-BC259963  Nassella lepida John H. Thomas 1955-5-21 5105 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC259965  Nassella lepida David D. Keck 1931-4-2 1017 Napa Wooden Valley Grade, W side of Napa Range, 5 miles NE of Napa 170 Comment
  POM182795  Nassella lepida D. D. Keck 1931-4-2 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 mi NE of Napa 170 Comment
  UCD87831  Nassella lepida Beecher Crampton 1957-6-4 4102 Napa North end of Capell Valley. Comment
  CAS-BOT-BC260177  Nassella pulchra John Thomas Howell 1931-4-2 6087 Napa Summit of Wooden Valley Grade 8 miles E of Napa Comment
  CAS-BOT-BC260178  Nassella pulchra H. M. Hall 1921-4-14 11265 Napa Near Napa junction Comment
  CAS-BOT-BC260182  Nassella pulchra David D. Keck 1931-4-2 1033 Napa Wooden Valley Road, E side of Napa Range, 8 miles from Napa Comment
  UCD148807  Nassella pulchra Ellen Dean; Diana Hickson 2014-4-29 8114 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CAS-BOT-BC230306  Navarretia heterandra Beecher Crampton 1960-6-29 5747 Napa 2 miles N of Spanish Flat, W shore of Lake Berryessa Comment
  UC856874  Navarretia heterodoxa John Thomas Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  JEPS70322  Navarretia intertexta subsp. intertexta W. L. Jepson 1936-7-3 17631 Napa Four Corners Napa Range, Howell Mt. Comment
  SEINET196216  Navarretia jepsonii K. Brandegee Jun and 26 Jul 1910 148 Napa Near Aetna Springs. Comment
  UCD48439  Navarretia jepsonii Robert E. Preston 1988-4-10 583 Napa Napa Co.; W-facing serpentine slope and serpentine flat, ca. 2100 ft ESE of the confluence of Putah and Hunting Creeks; (Jercicho Valley 7.5' quad). 274 Comment
  JEPS112554  Navarretia mellita Jake Ruygt 1982-7-17 1374 Napa Deer Park Rd. at Four Corners 414 Comment
  JEPS112555  Navarretia mellita Jake Ruygt 1989-6-3 2359 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 393 Comment
  CAS-BOT-BC232668  Navarretia pubescens R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6669 Napa 6 miles NE of Pacific Union College (Howell Mountain) on road to Aetna Springs Comment
  CAS-BOT-BC232673  Navarretia pubescens John H. Thomas 1955-5-21 180 J Napa Near State Highway No 128 and Cappell Creek, about 12 miles E of St Helena 274 Comment
  UC23795  Navarretia pubescens Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD148817  Navarretia pubescens Ellen Dean; Diana Hickson 2014-4-29 8123 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  CAS-BOT-BC232667  Navarretia pubescens Peter H. Raven 1951-6-26 3077 Napa Coppell Valley 304 Comment
  JEPS70423  Navarretia pubescens Willis L. Jepson 1894-7-19 15040 Napa above Calistoga; Napa River Basin, Upper Napa Valley Comment
  SD131880  Navarretia pubescens Barbara Ertter, Annetta Carter 1989-5-28 8495 Napa Schoolhouse Cove on NW end of Lake Berryessa 500 Comment
  JEPS123265  Navarretia rosulata David Gowen with Jake Ruygt 2011-6-11 1157 Napa Cedar Roughs. Comment
  UCD38858  Navarretia squarrosa Beecher Crampton 1962-10-9 6695 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  SEINET5641795  Navarretia subuligera Leigh A. Johnson, David Gowen 2009-5-30 09 -052 Napa Along trail to Table Rock on East side of Hwy from parking area off Hwy 29.; 0 725 Comment
  UC143006  Navarretia tagetina Katharine Brandegee 1910-5 Napa above Calistoga; Toll House Grade Comment
  JEPS70512  Navarretia viscidula W. L. Jepson 1901-8-6 1736 Napa near Bottle Mt.; Napa River Basin, St. Helena Comment
  JEPS129026  Nemacladus montanus Jake Ruygt 2016-5-7 6241 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  SBBG29777  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa 4 mi N of Knoxville Mines Comment
  SEINET10461259  Nemacladus montanus Jussell JUSSELL s.n. Napa Napa Comment
  SEINET10873472  Nemacladus montanus Jussell 1920-5-4 JUSSELL s.n. Napa Napa Comment
  SEINET3815174 Image available Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa above Soda Creek along State Hwy 28, 8.2 miles E of Conn Lake (resevoir Comment
  UCD126385  Nemacladus montanus Beecher Crampton 1954-5-20 1924 Napa State Highway 128, 8 miles southwest Monticello. Comment
  UCD126389  Nemacladus montanus Herbert L. Mason 1935-5-30 s.n. Napa 4 miles north of Knoxville Mines. Comment
  RSA60779  Nemophila heterophylla L. R. Abrams 1928-5-3 12235 Napa Summit St. Helena Grade Comment
  UCD120070  Nemophila heterophylla M. Wiesendanger 1928-4-5 857 Napa Monticello-Napa Rd. Comment
  UCD169883  Nemophila heterophylla Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 722 Napa Knoxville Wildlife Area. 238 Comment
  UCD48047  Nemophila heterophylla M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 5 Napa McLaughlin UC Reserve. SW of town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UCD49093  Nemophila heterophylla A. Van Houtte; E. Leger and C. Hohn 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., in drainage NW and upslope of Decker Canyon stock pond. 152 Comment
  JEPS3158  Nemophila heterophylla Mrs. Mary Van E. Ferguson 1919-4-13 215 Napa near Atlas Mt.; near Atlas Mt. Comment
  UC606903  Nemophila menziesii L. Constance 1938-3-27 2033 Napa 5 mi e Napa (n slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UCD120234  Nemophila menziesii Michael A. Vincent; Ethan H. Freid 1998-4-7 8165 Napa Along Rt. 128 at road marker 24/80. Comment
  JEPS1480  Nemophila menziesii W. L. Jepson 1940-2-29 19497 Napa Yount School Vicin San Francisco Bay, e side Napa Valley, Yount School (e side Napa Valley, vicinity of San Francisco Bay) Comment
  UCD120235  Nemophila menziesii M. Wiesendanger 1928-4-5 853 Napa Monticello. Comment
  UCD120239  Nemophila menziesii var. atomaria Charles B. Heiser Jr. 1947-2-18 1880 Napa 14 miles north of Napa. Comment
  JEPS110847  Nemophila menziesii var. menziesii Jake Ruygt 1982-2-16 1101 Napa .3 mile north of Chimney Golf Course on Silverado Trail 20 Comment
  POM289744  Nemophila menziesii var. menziesii Ethel Crum 1936-3-15 1738 Napa Chiles Valley Road, 3.2 miles from Pope Valley store. Comment
  UC126921  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  JEPS12230  Nicotiana acuminata var. multiflora H-M. Wheeler 1942-11-2 503 Napa s end Conn Creek Road (at bridge over Conn Creek); Conn Valley, Conn Creek Comment
  UCD126688  Nicotiana acuminata var. multiflora J. M. Tucker; C. H. Lamoureux 1958-6-8 3404 Napa beside State Highway 128, 2.7 miles northeast of Rutherford. Comment
  SD58461  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-11-2 503 Napa South end of Conn Creek Road at the bridge over Conn Creek, Conn Valley Comment
  UCD19932  Nicotiana quadrivalvis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 790 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD166656  Odontostomum hartwegii Jake Ruygt 1980-6-4 912 Napa end of Soda Canyon county road. 426 Comment
  UC12463  Oemleria cerasiformis W. L. Jepson 1893-5-5 Napa Middleton; Mt. St. Helena Comment
  UCD132729  Olea europaea Ramona Robison 2012-4-26 s.n. Napa Bale Gristmill State Historic Park, Near parking area and around historic mill. 121 Comment
  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
  JEPS110572  Orobanche fasciculata Jake Ruygt 1992-5-20 2992 Napa west of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  JEPS120332  Orobanche fasciculata Jake Ruygt 1985-3-31 1517 Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  JEPS120333  Orobanche fasciculata Jake Ruygt 1982-6-13 1318 Napa Cedar Roughs near Guilliam Springs. Chiles Valley 7.5' Quad. Comment
  UCR23528  Orobanche uniflora John C. Roos 1939-5-6 293 Napa Napa Range, (near Angwin?) Comment
  RSA10689  Orthocarpus attenuatus Carl B. Wolf 1928-5-3 1798 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA155421  Orthocarpus erianthus L. S. Rose 1961-3-30 61023 Napa 6 mi w of Napa. 122 Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  SEINET13944817 Image available Osmorhiza chilensis Joseph Andorfer Ewan 1937-1 10327 Napa Along auto road. W. slope Mt. St. Helena. Comment
  JEPS23648  Packera clevelandii W. L. Jepson 1897-7-12 Napa near Samuel's Springs; Pope Creek Comment
  OBI15512  Packera clevelandii Robert F. Hoover 1966-8-23 9937 Napa Butts Cyn, near Lake co. line Comment
  UCD170286  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 826 Napa Along Knoxville Devilhead Road, west of Knoxville Wildlife Area. 456 Comment
  JEPS30367  Packera eurycephala Peter H. Raven 1962-5-31 17919 Napa 1.9 mi s Lake County line (on Lower Lake to Knowville road) Comment
  SD52970  Packera eurycephala Peter H. Raven 1962-5-31 17919 Napa by stream in serpentine on Lower Lake- Knoxville road, 1.9 miles south of Lake County line. Comment
  CAS-BOT-BC316877  Packera eurycephala var. eurycephala Joseph Andorfer Ewan 1934-4-30 8826 Napa Near Samuels Springs above Monticello on Pope Valley Grade Comment
  CAS-BOT-BC316878  Packera eurycephala var. eurycephala Peter Raven 1950-6-20 2397 Napa Dry vernal flats between Pope Valley P. O. & Aetna Springs Comment
  JEPS17410  Packera eurycephala var. eurycephala W. L. Jepson 1938-6-11 19009 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  CAS-BOT-BC253676  Panicum capillare Beryl O. Schreiber 1936-9-20 2355 Napa 5 miles S of Reiff 762 Comment
  OBI22057  Panicum capillare Robert F. Hoover 1966-8-23 9933 Napa Butts Cyn near Lake Co line Comment
  UCD89506  Panicum capillare Beecher Crampton 1968-10-1 8386 Napa ca. 3 miles north Moskowite Corners, State Hwy. 128. Comment
  UCD164816  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  JEPS110746  Parentucellia viscosa Jake Ruygt 1988-5-4 2178 Napa SW corner of HWY 29 and Airport Rd. 19 Comment
  UCR23701  Parvisedum pumilum John C. Roos 1939-4-18 296 Napa North Coast Range, Deer Lake. [near] Pacific Union College, Angwin 610 Comment
  JEPS50025  Parvisedum pumilum W. L. Jepson 1915-4-22 6234 Napa Hills e of St. Helena ([Howell] Road) Comment
  JEPS50029  Parvisedum pumilum Willis L. Jepson 1893-4-28 13446 Napa ne of (and near) Napa City (Napa River Basin); Napa River Basin Comment
  JEPS68220  Pectocarya pusilla Willis L. Jepson 1893-3-13 21091 Napa Hills near St. Helena Napa River Basin Comment
  CHSC20924  Pedicularis densiflora Virginia A. Holsinger 1964-3-24 34 Napa West of Napa. 213 Comment
  POM146620  Pedicularis densiflora A. A. Heller 1924-4-12 13840 Napa About 5 miles south of Calistoga. Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  RSA654127  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  JEPS103987  Pellaea andromedifolia Jake Ruygt 1995-4-17 3437 Napa end of Niebaum Rd., Rutherford. 137 Comment
  UCD47772  Pellaea andromedifolia Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 6 Napa Mclaughlin Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. Hillside ca. 150 m above the road, east of the calcium seep, on a west-facing slope, 50 m down from the crest of the hill. 426 Comment
  UCD73458  Pellaea mucronata var. mucronata Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UC1301208  Penstemon heterophyllus Helen K. Sharsmith 1962-6-3 5113 Napa near Angwin; San Francisco Bay Region, western slope Mount Howell 487 Comment
  UCD40894  Penstemon heterophyllus Katherine Countrey 1983-5-29 20 Napa On Berryessa-Knoxville Rd. 3 miles northwest of Knoxville. 304 Comment
  JEPS110743  Penstemon heterophyllus var. heterophyllus Jake Ruygt 1976-5-27 99 Napa 1.9 miles NE of Atlas Peak Rd. on Monticello Road 185 Comment
  UC185341  Penstemon heterophyllus var. heterophyllus Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  CHSC83408  Penstemon heterophyllus var. purdyi L. P. Janeway; B. Castro 2002-5-12 7532 Napa Inner North Coast Ranges. Small meadow along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS110742  Penstemon heterophyllus var. purdyi Jake Ruygt 1989-7-1 2392 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 847 Comment
  JEPS7573  Penstemon heterophyllus var. purdyi W. L. Jepson 1936-5-31 17566 Napa Howell Mt. betw Toland House and Angwin; Howell Mt. btw Toland House and Angwin Comment
  JEPS101496  Penstemon newberryi var. sonomensis Dean W. Taylor 1998-6-3 16465 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 594 Comment
  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
  CAS-BOT-BC71672  Pentagramma triangularis subsp. triangularis Elsa G. Ruckert 1960-3-12 23 Napa on private road leading in to 6495 Dry Creek Road 365 Comment
  UCR198039  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road 488 Comment
  JEPS12437  Perideridia oregana Willis L. Jepson 1901-8-6 1726 Napa Howell Mt. grade Napa River Basin Comment
  UCD81815  Petrorhagia dubia Ellen Dean 2009-4-24 5442 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS129067  Phacelia distans Jake Ruygt 2016-4-2 6170 Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC663016  Phacelia divaricata Basil Bowers 1941-6-18 380 Napa just n summit of old mines road (e of Calistoga); Palisades 762 Comment
  UCD170156  Phacelia imbricata subsp. imbricata Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 782 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  JEPS47331  Phacelia imbricata subsp. imbricata L. R. Heckard and R. Bacigalupi 1965-5-15 1459 Napa about 5 mi s Knoxville; Nevada Creek 304 Comment
  RSA170281  Phacelia imbricata subsp. imbricata W. L. Jepson 1936-6-1 17599 Napa Lower slopes of Howell Mountain, Napa Range, near Sanitarium. Comment
  CAS-BOT-BC265791  Phalaris aquatica Peter H. Raven 1951-6-24 3034 Napa Napa 30 Comment
  JEPS122961  Phalaris aquatica Jake Ruygt 1982-6-29 1343 Napa 0.6 mile south of Yountville on Highway 29. Quad: Yountaville. Comment
  UCR49791  Phalaris aquatica J. Nevin 1987-5-22 34 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  JEPS122957  Phalaris lemmonii Jake Ruygt 1987-4-22 1961 Napa Ragg ridge (Quail Ridge Preserve. Quad: Cuttings Wharf. Comment
  UC638492  Phlox gracilis Mildred Mathias 1937-5-23 1282 Napa w slope Mount St. Helena (along Highway 29) 533 Comment
  UCD167204  Phlox gracilis Jake Ruygt 1986-3-14 1643 Napa north of Highway 12 near Sonoma county line. 106 Comment
  CAS-BOT-BC134981  Phoradendron bolleanum John F. Emmel 1971-4-17 342 Napa Butts Creek, 0.4 miles NW of junction Butts Canyon and Snell Valley roads 198 Comment
  UC1039601  Phoradendron densum Herbert L. Mason 1926-1-2 2607 Napa Mt. St. Helena, Toll House Canyon Comment
  UCD49305  Phoradendron leucarpum subsp. tomentosum M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 22 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines. 243 Comment
  HSC15919  Phoradendron serotinum subsp. tomentosum Greg Bos 1963-3-30 54 Napa St. Helena Mtn., S slope 305 Comment
  RSA92929  Phoradendron villosum Peter H. Raven 1951-8-19 3851 Napa Near Lokoya. 457 Comment
  UCD113675  Physocarpus capitatus B. Crampton 1956-5-25 3489 Napa Along creek bank, headwaters of Sarco Creek, Howell Mtns. Comment
  SEINET2056445 Image available Pickeringia montana M. F. Wojciechowski 2000-5-27 895 Napa Cache Creek area north of Lake Barryessa. Comment
  JEPS46796  Pinus attenuata W. L. Jepson 1892-1 Napa Mt. St. Helena Comment
  CAS-BOT-BC73375  Pinus attenuata Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5338 Napa Up a canyon, north side of Pope Creek between Samuels Springs and Walters Springs. 243 Comment
  UC235  Pinus lambertiana unknown Napa Mt. St. Helena 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
  JEPS103996  Pinus sabiniana Jake Ruygt 1997-11-1 3876 Napa Stags Leap 432 Comment
  JEPS46900  Pinus sabiniana W. L. Jepson, W. A. Setchell 1896-1 Napa Howell Mt. Comment
  SEINET3221130 Image available Pinus sabiniana Royal D. Suttkus 1967-6-26 67- 30 -43 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD47758  Pinus sabiniana R. Blenkush 2000-4-22 16 Napa Northern Napa County, Mclaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  UCD70464  Pinus sabiniana B. Wengeler 1995-4-16 s.n. Napa West of city of Winters; 2 m W of Monticello Dam along hwy 128. 140 Comment
  JEPS120444  Piperia transversa Jake Ruygt 1995-6-17 3503 Napa Southeast corner of Butts Canyon Road at Snell Valley Rd. Comment
  JEPS106769  Plagiobothrys fulvus Jake Ruygt 1983-4-13 1422 Napa Snell Valley Rd. near Stagecoach Rd. 176 Comment
  JEPS68063  Plagiobothrys nothofulvus W. L. Jepson 1897-5-2 21158 Napa St. Helena Comment
  JEPS68067  Plagiobothrys nothofulvus W. L. Jepson 1893-4-26 21154 Napa near Rutherford (Vineland station) Comment
  UC725968  Plagiobothrys nothofulvus A. A. Heller 1929-3-16 14820 Napa grade near foot of Mt. St. Helena Comment
  UCD74376  Plagiobothrys nothofulvus Jake Ruygt 1983-3-26 1393 Napa 0.5 mile south of Sage Canyon Rd. on Silverado Trail. 76 Comment
  SEINET12275936  Plagiobothrys scriptus P. H. Raven 1957-1 10741 Napa near the hot springs at the airport, Calistoga Comment
  UC1301092  Plagiobothrys stipitatus var. micranthus Helen K. Sharsmith 1963-4-20 5328 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  CAS-BOT-BC228492  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  CAS-BOT-BC228497  Plagiobothrys strictus David D. Keck 1931-4-4 1095 Napa Geysers just NW of Calistoga, NW county Comment
  POM63424  Plagiobothrys strictus Joseph P. Tracy 1903-5-15 1857 Napa Calistoga Hot Springs 91 Comment
  UC55921  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Calistoga Hot Springs Region about San Francisco Bay, Napa Valley 91 Comment
  UC881353  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  UC882379  Plagiobothrys strictus Milo S. Baker 1931-4-3 5142 Napa Calistoga Geyser Comment
  JEPS68146  Plagiobothrys tenellus W. L. Jepson 1938-5-25 18867 Napa Bell Canyon Napa Range, Howell Mt. 579 Comment
  POM63831  Plagiobothrys tenellus C. F. Baker 1903-4-20 2624 Napa Mt. St. Helena. Comment
  UCD161344  Plagiobothrys tener Jake Ruygt 1986-4-14 1703 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road. (Coordinates estimated by label maker at UC Davis). 446 Comment
  RSA170256  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa Howell Mountain; on La Jota Plateau in Las Posadas State Forest. Comment
  JEPS110787  Plantago elongata Jake Ruygt 1993-4-18 3213 Napa west of west end of Rio Del Mar Drive, American Canyon 1 Comment
  HSC81995  Plantago elongata Thomas W. Nelson, Jane Nelson 1980-5-3 5161 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  POM182728  Plantago erecta D. D. Keck 1931-4-3 1059 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  UCD124445  Plantago erecta Alva Day 1965-5-15 65- 132 Napa Cedar Valley, west of Lake Berryessa. Comment
  UCD18083  Plantago erecta Ellen Dean; with PLB 102 class 2000-4-22 639 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
  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
  UCD124178  Plantago erecta Beecher Crampton 1959-5-26 5259 Napa Martley Canyon, Vaca Mountain. State Hwy. 218. Comment
  RSA523626  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa Hills to east of Yountville, on east side of road. Comment
  SFV8386  Platystemon californicus J. F. Addicott 1965-3-19 3 Napa Along Dollarhide Road, about 3.5 miles east of Pope Valley. 183 Comment
  UCD96055  Platystemon californicus G. E. Johnston 1974-4-4 6115 Napa near Bell Canyon, Angwin. 426 Comment
  SEINET5718796 Image available Platystemon californicus Stephen Randall 1974-1 1 Napa 1 air mile SW of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  UC855258  Platystemon californicus Lewis S. Rose 1939-4-16 39066 Napa 6 mi s Napa 30 Comment
  POM182730  Platystemon californicus var. californicus D. D. Keck 1931-4-2 1056 Napa Monticello Comment
  UCD17992  Plectritis ciliosa Ellen Dean; with Plant Biology 102 class 2001-4-14 718 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  UCD14929  Plectritis ciliosa Gail Matson 1977-4-16 21 Napa 6.4 miles southwest of Monticello Dam along Highway 128; 213 Comment
  UC168963  Plectritis ciliosa subsp. ciliosa Joseph P. Tracy 1902-5-15 1469 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  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
  UCD137533  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Monticello Dam, off State Highway 128. 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
  JEPS110897  Plectritis macrocera Jake Ruygt 1999-5-1 4142 Napa Gunn ranch, E side of Lake Berryessa 146 Comment
  UCR141073  Pleuropogon californicus Beecher Crampton 1955-3-14 2318 Napa North Coast Range, 5-6 miles southeast of Calistoga, upper Napa Valley, along Silverado Trail Highway 107 Comment
  UCD90209  Pleuropogon californicus var. californicus Beecher Crampton 1955-3-14 2318 Napa 5-6 miles southeast of Calistoga, Upper Napa Valley, along Silverado Trail Highway. Comment
  POM262890  Pleuropogon californicus var. californicus J. C. Roos 1939-4-1 310 Napa Calistoga. Comment
  UCD92169  Poa M. S. Baker 1936-4-1 8198 a Napa road to Knoxville Mine. Comment
  CAS-BOT-BC244370  Poa annua Peter H. Raven 1950-4-15 1705 Napa Along streets, Napa 9 Comment
  UC73784  Poa annua J. Burtt Davy April 1902 Napa St. Helena Comment
  UC184007  Poa howellii Joseph P. Tracy 1902-5-16 1510 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 335 Comment
  UCD91105  Poa howellii Beecher Crampton 1956-5-25 3483 Napa Howell Mtns. 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
  UCD91554  Poa napensis R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  CDA10885  Poa secunda G. F. Hrusa, M. Rejmanek 1993-5-15 10980 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS122924  Poa secunda subsp. secunda Jake Ruygt 1983-4-13 1423 Napa Snell Valley west of Stagecoach Canyon Road. Quad: Aetna Springs. Comment
  JEPS85020  Poa secunda subsp. secunda Larry Heckard and Mary Ashton 1969-5-3 2224 Napa 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd, above and w of meadow) 510 Comment
  UCD18147  Poa secunda subsp. secunda Jean Shepard; with PLB 102 class 2000-4-29 202 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
  UCD90796  Poa secunda subsp. secunda Beecher Crampton 1956-5-25 3463 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD91662  Poa secunda subsp. secunda Peter Kamb; Francia Chisaki 1950-4-22 1752 Napa W side of Wooden Valley on California Hwy 37. 304 Comment
  HSC14300  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 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
  UC1239670  Pogogyne douglasii Joseph P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 Comment
  UC883696  Pogogyne douglasii Alice Eastwood 1915-6-5 4626 Napa Calistoga Comment
  UCD36595  Pogogyne douglasii Beecher Crampton 1955-5-9 2751 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  JEPS110839  Pogogyne serpylloides Jake Ruygt 1991-6-1 2705 Napa Campbell Flat, Mt. St. John 310 Comment
  UCD49103  Pogogyne serpylloides A. Collier; D. Caterson and S. Kenady 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  UC1299487  Polycarpon tetraphyllum Freed W. Hoffman 1946-8-20 1855 Napa Conn Reservoir; North Coast Ranges, Conn Reservoir Comment
  RSA40153  Polycarpon tetraphyllum J. T. Howell 1943-6-20 18242 Napa Hills W of Napa Valley between St. Helena and Mt. St. John. 229 Comment
  SEINET6044076  Polycarpon tetraphyllum Unknown 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. Comment
  UCD109699  Polygala californica Heidi E. M. Dobson 1978-5-20 328 Napa east slope of Mt. Veeder. Comment
  UCD63348  Polygala californica Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 220 Comment
  POM262892  Polygala californica J. C. Roos 1939-4-18 313 Napa Howell Mountain, Napa Range Comment
  SEINET12205441  Polygala californica F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -329 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CHSC102524  Polygonum arenastrum Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  RSA755361  Polygonum arenastrum L. Ahart 2009-10-12 16457 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UC6673  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa e Camp 64; Napa Valley 609 Comment
  JEPS112594  Polygonum lapathifolium Jake Ruygt 1991-8-24 2832 Napa Napa River at Bale Lane 80 Comment
  JEPS50621  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River; bed 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
  UC126475  Polygonum punctatum Harley P. Chandler Sep 7 1906-Sep 14 1906 7110 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC703049  Polygonum ramosissimum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf Napa River Comment
  SBBG128694  Polypogon interruptus L. Ahart 2009-10-12 16466 Napa below high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  CAS-BOT-BC237254  Polypogon monspeliensis Doris K. Kildale 1928-5-8 5044 Napa 3 miles W of Napa-Solano county line Comment
  RSA769222  Polypogon monspeliensis L. Ahart 2009-10-12 16465 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
  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
  JEPS116567  Polystichum dudleyi Jake Ruygt 1999-7-10 4204 b Napa Spring Street near White Sulphur Springs. Rutherford 7.5' Quad. Comment
  RSA10644  Polystichum imbricans C. B. Wolf 1928-5-3 1846 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS116550  Polystichum munitum Jake Ruygt 2005-5-21 4860 Napa Marie Creek where it enters Skyline Park. Mount George 7.5' Quad. 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
  HSC1145  Polystichum munitum C. B. Wolf 1928-5-3 1846 Napa At the summit of the Mt. St. Helena Grade, Mt. St. Helena Comment
  UCD170619  Potamogeton 1998-6-29 s.n. Napa Calistoga, Sterling Vineyards, 1111 Dunaweal Ln. 96 Comment
  CAS-BOT-BC453918  Potamogeton pectinatus Peter H. Raven 1951-10-28 3943 Napa Conn Lake 152 Comment
  UCD160569  Prosartes hookeri G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  CAS-BOT-BC154919  Prunus ilicifolia J. H. Thomas 1955-5-21 5104 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS20434  Pseudognaphalium beneolens W. L. Jepson 1938-9-22 19017 Napa Howell Mt. Comment
  JEPS20462  Pseudognaphalium beneolens Willis L. Jepson 1903-9-6 2349 Napa St. Helena Napa River Basin, St. Helena 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
  JEPS120419  Pseudognaphalium microcephalum Jake Ruygt 2010-8-21 5745 Napa Buzzard's Roost, west slope above Staggs Leap. Comment
  JEPS106961  Pseudognaphalium stramineum Jake Ruygt 1991-8-4 2811 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 131 Comment
  JEPS106925  Psilocarphus oregonus Jake Ruygt 1982-5-12 1238 b Napa Suscol Plain 4 Comment
  CAS-BOT-BC361892  Psilocarphus tenellus John H. Thomas 1958-4-19 7117 Napa About 2 miles SW of Oakville 152 Comment
  JEPS106924  Psilocarphus tenellus Jake Ruygt 1993-4-12 3193 Napa Milton Road west of the Brazos Bridge a 0 Comment
  UCD118095  Pteridium aquilinum var. pubescens Megan Mateo; 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
  CAS-BOT-BC460819  Pyrola aphylla Elizabeth Wright 1921-6-1 s.n. Napa Calistoga Comment
  UC1197567  Pyrola picta J. P. Tracy 1899-6-14 341 Napa 3-4 mi e of Angwins (Head of Moore's Creek, Howell Mountain); Howell Mountain, Head of Moore's Creek 518 Comment
  JEPS20198  Pyrrocoma racemosa var. racemosa R. F. Hoover 1941-8-24 5579 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC762610  Pyrrocoma racemosa var. racemosa R. F. Hoover 1941-8-24 5579 Napa near Calistoga; Myrtledale Hot Springs Comment
  CAS-BOT-BC36513  Quercus Peter H. Raven 1952-8-28 5157 Napa near Napa Soda Springs 228 Comment
  LA26108  Quercus X chasei J. M. Tucker; 1954-9-23 2757 Napa beside Hwy 37, 6.5 miles (by road) S of junction with Hwy 28 Comment
  SFV890  Quercus X ganderi D. Q. Cavagnaro 1965-6-26 s. n. Napa La Jolla quicksilver mine, north slope of Mount St. John, 7 miles northwest of Oakville. Comment
  UC1096408  Quercus X morehus W. E. Ferguson 1958-6-15 Napa about 8 mi e Napa (n slope of Mt. George); Mt. George Comment
  UCD47033  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa California: Napa County, Quail Ridge Reserve, near Lake Berryessa; 146 Comment
  CAS-BOT-BC61806  Quercus agrifolia Peter Raven; G. L. Stebbins 1953-4-19 5343 Napa north side of Pope Creek between Samuels Spr. and Walters Spr. 243 Comment
  JEPS37370  Quercus agrifolia W. L. Jepson 1907-12-1 2974 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37372  Quercus agrifolia W. L. Jepson 1907-12-1 2973 Napa Sanitarium Hill road Napa Valley Comment
  JEPS46630  Quercus agrifolia W. L. Jepson Nov 1901 Napa grade to Sanitarium St. Helena Comment
  RSA181899  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa St. Helena; Napa River Basin Comment
  UCD149562  Quercus agrifolia G. Ledyard Stebbins 1994-10-5 s.n. Napa Lake Berryessa. 1 mile northwest of the junction of Spanish Flat and Route 128. Comment
  CDA35900  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Upper end of Lake Hennessey along Hwy 128. Comment
  UCD148743  Quercus agrifolia var. agrifolia Jake Ruygt 2002-10-23 4467 c Napa Napa County; Mt. Vaca, south side of peak. 835 Comment
  UC55941  Quercus berberidifolia J. P. Tracy 1902-5-21 1569 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD14831  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -4 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD148747  Quercus berberidifolia Jake Ruygt 2000-10-9 4287 Napa Napa County; south of Snell Peak on ridge. 396 Comment
  UCD45215  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 38 Napa On eastern side of range between Sonoma and Napa Valleys, 5 miles southwest of Oakville, Napa County, California. Comment
  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
  SEINET3140220  Quercus chasei Unknown 1994-10-29 sn Napa Mt. George, north-ne. side ca. 400m Comment
  UCD120918  Quercus chrysolepis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7339 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
  UCD83394  Quercus chrysolepis Jake Ruygt 1991-5-4 2636 Napa Friesen's Lakes, Lake Henne. 548 Comment
  SEINET12034303  Quercus chrysolepis Unknown 1942-1 s.n. Napa Calistoqo Comment
  CDA21879  Quercus douglasii H. Stabo 1968-10-21 Napa 0 Comment
  RSA153  Quercus douglasii J. T. Howell 1927-8-23 682 Napa Chiles Valley 213 Comment
  UCD45635  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa, abundant on canyon slopes. Comment
  JEPS37800  Quercus dumosa W. L. Jepson 1938-9-28 19042 Napa La Jota Mesa Howell Mts. Comment
  SEINET9315403  Quercus dumosa Unknown 1939-4-16 39068 Napa 3 mi NE of Napa. Open rocky hills. Comment
  CAS-BOT-BC79845  Quercus durata H. E. McMinn 386 Napa about 20 mi from Middletwon Comment
  CAS-BOT-BC79846  Quercus durata H. E. McMinn 1922-6-8 199 Napa hill side along Pope Creek Comment
  CDA11894  Quercus durata G. F. Hrusa, G. L. Stebbins 1994-4-8 11719 Napa North Coast Biodiversity Arena; Aetna Springs, approx. 1/2 mile above resort. Comment
  JEPS116526  Quercus durata Jake Ruygt 2002-9-4 4453 Napa Northwest side of Atlas Peak. Yountville 7.5' Quad. Comment
  JEPS37351  Quercus durata W. L. Jepson 1930-10-19 15693 Napa Butts Canyon Comment
  RSA624179  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -18 Napa Below Conn Valley Dam, hillside across creek from the picnic area. Comment
  SACT002640  Quercus durata Ira Wiggins, R. Ferris 1933-6-2 Napa 10 miles north of Howell Mount Comment
  SEINET234414  Quercus durata John Tucker 1950-11-12 2014 -20 Napa Hwy 28 7.7 road mi W of junction with Hwy 37; SE-facing slope above Sage Creek Comment
  SEINET3144186  Quercus durata Unknown 1950-11-12 2014 -13 Napa Hwy 28, 2.2 mi (by road) W of jnct w/ Hwy 37, above Sage Creek Comment
  UCD14812  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -19 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14821  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -17 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD45972  Quercus durata D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Serpentine chaparral in Capell Creek. 250 Comment
  UCR106782  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -14 Napa below Conn Valley Dam, hillside across creek from picnic area Comment
  HSC96007  Quercus durata var. durata D. Sanchez-Mata 1996-6-22 Napa Capell Valley, in Capell Creek 380 Comment
  JEPS116540  Quercus durata var. durata Jake Ruygt 1996-5-14 3689 Napa White Cliff Springs; Elder Valley; (Sabini property). Chiles Valley 7.5' Quad. Comment
  SBBG25324  Quercus durata var. durata B. Rice 1965-5-15 68 Napa Devilshead Rd, 5 mi N of Cedar Valley 487 Comment
  UCD15986  Quercus durata var. durata C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 3 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11.3'' N; 122 deg. 21' 13.4'' W; 530 m. Comment
  UCD48032  Quercus durata var. durata Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 20 Napa Napa Co, McLaughlin Reserve, apporx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCR219490  Quercus durata var. durata Jake Ruygt 1980-4-22 854 Napa Devilshead Road 476 Comment
  UCD14548  Quercus garryana var. garryana John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -10 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD46082  Quercus garryana var. garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  CAS-BOT-BC105299  Quercus kelloggii Alice Eastwood 1918-5-1 6820 Napa Mt. St. Helena Comment
  JEPS37757  Quercus kelloggii W. L. Jepson 1911-11-12 4764 Napa near Mt. Atlas; Napa Range Comment
  JEPS46695  Quercus kelloggii W. L. Jepson 1938-10-1 19070 Napa St. Helena Sanitarium Comment
  SEINET2066834 Image available Quercus kelloggii Royal D. Suttkus 1967-6-26 67 -308 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  SEINET265714  Quercus kelloggii Royal D. Suttkus 1967-6-26 67- 30 -8 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC615441  Quercus kelloggii Beryl O. Schreiber 1932-4-3 200 Napa road to Calistoga Comment
  UCD46615  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD46655  Quercus kelloggii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  SEINET5644360  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. St. Helena, 0.4 miles over the north side from the summit of the road (State Highway 29).; 0 Comment
  UCD165474  Quercus kelloggii John M. Tucker 1976-10-24 4383 Napa California, Napa County: Beside Dry Creek Road, 0.8 mi. east of junction with Wall Road, and 5 mi. (by road) southwest of Oakville. Comment
  CAS-BOT-BC62877  Quercus lobata Peter H. Raven 1952-8-28 5159 Napa Near Napa Soda Springs 228 Comment
  CAS-BOT-BC62878  Quercus lobata Peter H. Raven 1952-8-27 5155 Napa Mt. Veeder Road at Lokoya Turnoff 426 Comment
  CAS-BOT-BC62879  Quercus lobata Peter H. Raven 1952-5-31 4148 Napa Summit of hills sw of Rector Canyon 304 Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  UC1543117  Quercus wislizeni Charlotte G. Nast 1936-3-27 33 Napa Putah Canyon 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
  JEPS106868  Rafinesquia californica Jake Ruygt 1978-5-21 326 Napa 2.2 miles north of Sage Canyon Rd. on Chiles-Pope V.Rd. 134 Comment
  JEPS54965  Ranunculus californicus W. L. Jepson 1915-4-23 6266 a Napa Chiles Creek hills Conn Valley Comment
  RSA786317  Ranunculus californicus Keith E. Hoffmaster 1946-3-23 1223 Napa Napa range, along Napa-Monticello road. 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
  UCD21498  Ranunculus hebecarpus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4400 Napa Quail Ridge Reserve. 213 Comment
  POM225341  Ranunculus hebecarpus J. T. Howell 1931-4-2 6064 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UCD159791  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  JEPS77945  Ranunculus occidentalis Edward Lee 1936-3-15 1811 Napa Rutherford-Pope Valley road 10.7 mi out of Rutherford Comment
  UCD48147  Ranunculus occidentalis Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 5 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD96774  Ranunculus occidentalis D. C. Finfrock 1950-4-2 15 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  POM268381  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  SEINET215120  Ranunculus occidentalis var. eisenii B. Bearce 1965-4-4 18 Napa Ca 19 mi W of Winters on CA Hwy 121 Comment
  UCD117469  Ranunculus occidentalis var. occidentalis Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside opposite drainage pipe. 519 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
  UC162818  Ranunculus pusillus Joseph P. Tracy 1902-5-18 1531 Napa La Jota Plateau Northern Coast Region, Howell Mountain (on hills at head of Moore's Creek, 3-4 mi e of Angwin's) 518 Comment
  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
  UCD160035  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
  CAS-BOT-BC427556  Reseda luteola Thomas H. Kearney 1948-8-1 s.n. Napa Near Napa Comment
  SD175803  Rhagadiolus stellatus D. G. Kelch 2002-4-10 02 1 Napa Redwood Road, west of Napa city limits. 60 Comment
  UCD159529  Rhagadiolus stellatus D. S. Park 2011-4-11 277 -2 Napa Redwood Canyon. Off Redwood Rd. Comment
  UCD63166  Rhagadiolus stellatus Jake Ruygt 1979-4-24 553 Napa 2.2 miles NW of Browns Valley Rd. on Redwood Rd. 109 Comment
  UCD74323  Rhagadiolus stellatus Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCR220107  Rhagadiolus stellatus Ayzik Solomeshch 2007-5-28 s.n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road 152 Comment
  JEPS42077  Rhamnus californica subsp. californica Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  SEINET12210864  Rhamnus californica subsp. tomentella W. Knight, Knight, I. 1982-1 4554 Napa 0.5 mi W of Spanish Flat Comment
  CAS-BOT-BC56018  Rhamnus ilicifolia John Thomas Howell 1929-8-4 4366 Napa One mile below Samuels Springs, Pope Creek Canyon, Napa Range Comment
  SBBG14329  Rhamnus ilicifolia L. B. Hendrix 1962-5-5 41 Napa S end of Lake Berryessa Comment
  CAS-BOT-BC199720  Rhododendron occidentale R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6675 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  CDA29137  Rhododendron occidentale D. G. Kelch, Daniel Weinstein 2009-6-21 9 .444 Napa Near Skyline Park. Comment
  UCD20692  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 4 Napa Napa County, NE side of Butts Canyon Rd. along SW and NE side of Butts Creek, 250 ft. east of Napa, 20.14 marker. Bulk of population is 330 ft. west of Napa 20.14 marker, continuous to Lake Co. Plants within 20' of water. Comment
  JEPS66678  Rhododendron occidentale var. occidentale W. L. Jepson 1936-6-2 17596 Napa Four Corners, Howell Mountain. Comment
  CAS-BOT-BC200649  Rhus aromatica H. E. McMinn 1922-6-18 197 Napa Pope Creek Canon [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
  JEPS121369  Rhynchospora californica Jake Ruygt 2003-8-24 4559 Napa Mt. George, Foote Botanical Preserve, NW side of mountain, near old orchard. Comment
  JEPS126033  Ribes californicum Jake Ruygt 1998-6-24 4055 Napa Brushy Canyon. Lake Berryessa 7.5' Quad. Comment
  UC11500  Ribes californicum Willis L. Jepson 1893-5-2 Napa near Palisades; Napa River Basin, New Pope Valley grade Comment
  CAS-BOT-BC205998  Ribes menziesii Elsa G. Ruckert 1960-3-13 24 Napa Private road behind east of house, 6495 Dry Creek Road 365 Comment
  JEPS49457  Ribes roezlii var. cruentum Katharine Brandegee 1909-6-1 Napa summit of Pope Valley Grade from Calistoga; Napa Range, Pope Valley Grade Comment
  CAS-BOT-BC168761  Ribes victoris F. A. Walpole 1904-3-25 2393 Napa Rutherford, about 1 mi. east of town in canyon on Niebaum's Pond Comment
  JEPS106904  Rigiopappus leptocladus Jake Ruygt 1998-5-11 3961 x Napa Greeg Mountain 445 Comment
  JEPS106905  Rigiopappus leptocladus Jake Ruygt 1981-5-21 1039 Napa ridge west of Putah Creek, north of Snell Valley 231 Comment
  UC1535368  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa 0.2 mi s of intersection with Berryessa-Knoxville Road Highway 128; Capell Valley Comment
  UCD135430  Rigiopappus leptocladus Glen Holstein 1977-5-11 s.n. Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley. Comment
  UCD32572  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCR146399  Rigiopappus leptocladus Beecher Crampton 1954-5-20 1926 Napa Inner North Coast Ranges, 8 miles southwest of Monticello, along highway 128 305 Comment
  JEPS34846  Rigiopappus leptocladus W. L. Jepson 1896-6-2 Napa Napa Valley Comment
  CAS-BOT-BC74594  Rorippa curvisiliqua John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, Saint Helena. 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
  UCD167150  Rorippa palustris subsp. palustris Jake Ruygt 2015-5-6 6092 Napa East side of Highway 221, south of Suscol Creek. 30 Comment
  CAS-BOT-BC147532  Rosa californica Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC147537  Rosa californica Doris K. Kildale 1928-5-8 5045 Napa 3 miles west of Napa-Solano county line Comment
  JEPS45681  Rosa gymnocarpa W. L. Jepson 1896-2-23 13892 Napa on grade beyond Angwins (e side of mt.); Howell Mt., Pope Valley Grade Comment
  UCD17701  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 78 Napa California. Napa County: north of Redwood Lodge on Highway 128. Comment
  SBBG50772  Rubus parviflorus G. E. Gaboury 1971-5-8 G- 38 Napa N slope of Howell Mtn off Chiles Rd Comment
  CAS-BOT-BC156911  Rubus ursinus Elsa G. Ruckert 1960-4-3 67 Napa 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC156913  Rubus ursinus Peter H. Raven 1964-5-9 19071 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC156915  Rubus ursinus Greg de Nevers 2001-7-8 12559 Napa Clear Lake, Lake County Land Trust, Rodman Slough 475 Comment
  UCD41469  Rumex Ellen Dean; Deborah Canington 2003-3-1 1366 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along Decker Bay Trail, right along stream. 176 Comment
  CAS-BOT-BC421716  Rumex conglomeratus Peter H. Raven 1951-6-24 3009 Napa Napa 30 Comment
  JEPS110756  Rumex crispus Jake Ruygt 1979-3-7 440 Napa Marina Drive at South Coombs 3 Comment
  RSA755378  Rumex dentatus L. Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  CHSC102281  Rumex fueginus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS110752  Rumex salicifolius var. salicifolius Jake Ruygt 1996-6-3 3743 d Napa Jameson Vinyards near South Kelly Road. 103 Comment
  JEPS65646  Rupertia physodes W. L. Jepson 1924-4-27 10371 Napa Toll House Mt. St. Helena Comment
  POM161356  Rupertia physodes Rimo Bacigalupi 1928-6-20 1867 Napa Howell Mt, 10 miles W of St Helena Comment
  UCD39196  Rupertia physodes Beecher Crampton 1953-5-19 1301 Napa 9 miles east of Rutherford. Along Hwy. 128. Comment
  SEINET9331061  Rupertia physodes Unknown 1953-5-19 1301 Napa Dense stand under oaks, along Hwy 128 about 9 mi E of Rutherford. Comment
  UCD108459  Rupertia physodes Tofsrud 1948-1 s.n. Napa location unknown. Comment
  JEPS129167  Sagina decumbens subsp. occidentalis Jake Ruygt 2015-3-21 6048 c Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  RSA8371  Salix I. L. Wiggins 1932-3-12 5752 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  JEPS118644  Salix breweri B. Castro and L. P. Janeway 2002-5-12 1369 Napa Inner North Coast Ranges. Ca 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. Knoxville 7.5' quad. Comment
  JEPS38393  Salix breweri W. L. Jepson 1893-5-5 27 s Napa just beyond St. Helena; Middleton Grade Comment
  RSA3282  Salix breweri D. D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  SBBG28800  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn between Pope Springs and Aetna Valley 91 Comment
  UC457172  Salix breweri David D. Keck 1931-4-3 1075 Napa along creek 5 mi ne Aetna Springs; Butts Creek Comment
  UC482099  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UC517434  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon Napa Range Comment
  RSA90537  Salix breweri Milo S. Baker 1931-4-2 5127 Napa 7 miles from Pope Valley Store on road to Middletown. Comment
  POM202754  Salix exigua I. L. Wiggins 1932-3-12 5756 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  JEPS122770  Salix gooddingii Jake Ruygt 2011-5-11 5783 Napa Putah Creek shoreline of Lake Berryessa, Berryessa Estates. Quad: Walter Springs. Comment
  CAS-BOT-BC108190  Salix hindsiana C. F. Baker 1903-4-19 1996 Napa Calistoga Comment
  CAS-BOT-BC108200  Salix hindsiana Peter H. Raven 1951-5-6 2810 Napa Flood plain Conn Creek 2.5 miles from Rutherford to Conn Dam 48 Comment
  UCD164806  Salix laevigata Jake Ruygt 1997-4-8 3827 Napa East end of Taplin Road; Heitz Cellars. 109 Comment
  JEPS13057  Salix lasiandra var. lasiandra W. L. Jepson 1893-5-8 29 s Napa beyond Angwin's Howell Mt.; Napa River Basin, Howell Mt. Comment
  UC1356331  Salix lasiolepis Theodore J. Crovello 1964-3-14 384 Napa Trinity Road 8 mi e California Hwy. 12 Comment
  CAS-BOT-BC539338  Salix lasiolepis Jake Ruygt 2007-2-18 5118 Napa Moore Creek, Las Posadas State Forest Comment
  CAS-BOT-BC124412  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3065 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC124417  Salix lasiolepis var. lasiolepis Elsa G. Ruckert 1960-3-12 20 Napa 5 1/2 miles from Highway 12 on east side of Dry Creek Road, 100 yards from county road 335 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-BC124420  Salix lasiolepis var. lasiolepis Ira L. Wiggins 1932-3-12 5751 Napa North fork of the Napa River, 1 mi. N. of the town of Calistoga Comment
  SBBG29033  Salix lucida subsp. lasiandra I. L. Wiggins 1932-3-12 5750 Napa N fk of Napa River, 1 mi N of Calistoga Comment
  CAS-BOT-BC129503  Salix melanopsis H. E. McMinn 1923-5-25 958 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  UCD144655  Salvia columbariae Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS62781  Salvia sonomensis W. L. Jepson 1897-5-2 14945 Napa sw of Calistoga (Rebecca Ranch grade, Napa Valley); Napa Valley Comment
  UC25739  Salvia sonomensis Willis L. Jepson 1893-5-1 Napa w of Calistoga; Napa River Basin Comment
  UCD149684  Salvia sonomensis Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCR220103  Salvia sonomensis Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  JEPS106728  Sambucus mexicana Jake Ruygt 1979-5-23 630 Napa Trancas St. bridge at Napa River 6 Comment
  UCD15500  Sambucus mexicana Ted Graber 1984-5-12 19 Napa 1 mile West from Conn Dam. Comment
  UCR196224  Sambucus mexicana Ryan Knox, E. McDermott, G. Walden 2002-4-13 03 Napa McLaughlin UC Reserve. 0.4 mi south of old town of Knoxville, 0.7 mi west along Knoxville-Berryesa Road 432 Comment
  CAS-BOT-BC223275  Sanicula bipinnatifida David D. Keck 1933-5-28 2332 Napa Howell Mountain, north side, 1 mile above Pope Valley P.O. Comment
  JEPS104481  Sanicula bipinnatifida Jake Ruygt 1994-4-26 3356 Napa Pope Valley near Pope Valley Rd. 256 Comment
  JEPS223  Sanicula bipinnatifida W. L. Jepson 1915-4-23 6267 Napa Chiles Creek hills Napa Range Comment
  UCD148828  Sanicula bipinnatifida Ellen Dean; Diana Hickson 2014-4-29 8133 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD81468  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCSB4638  Sanicula bipinnatifida Keator, Glenn 1959-4-1 Napa About 0.2 miles south of northwest Calistoga city limits on highway 128 Comment
  CDA38524  Sanicula crassicaulis T. C. Fuller 1958-5-1 3712 Napa Highway 53, 8 miles north of Calistoga. 0 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
  JEPS104494  Sanicula tuberosa Jake Ruygt 1979-3-15 456 Napa south of Milliken Canyon, east of east end of Westgate Dr. 176 Comment
  JEPS104495  Sanicula tuberosa Jake Ruygt 1992-4-3 2878 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  JEPS120427  Saxifraga californica Jake Ruygt 2010-3-27 5491 Napa Devil's Canyon on east side near falls. Comment
  JEPS943  Scandix pecten-veneris W. L. Jepson 1922-4-21 9625 Napa Napa Junction Comment
  UCD118610  Scandix pecten-veneris William Goss; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 388 Comment
  UCD128070  Scandix pecten-veneris G. F. Hrusa; S. Larson 1995-4-10 12062 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCSB4655  Scandix pecten-veneris Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  SEINET9291159  Schoenoplectus fluviatilis Unknown 1995-4-10 12061 Napa Napa Comment
  RSA769185  Schoenoplectus maritimus L. Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UCD170370  Schoenoplectus pungens var. longispicatus Daniel Potter; N Khuu, K Battenberg 2016-4-30 868 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 199 Comment
  JEPS121371  Scirpus tuberosus Jake Ruygt 1986-8-23 1909 b Napa Lake Hennessey, near spillway. Comment
  JEPS126132  Scleranthus annuus subsp. annuus Jake Ruygt 2010-6-21 5642 Napa Bear Valley north of pond. Detert Reservoir 7.5' Qua. Comment
  UCD41311  Scleranthus annuus subsp. annuus Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, N side of stream, 0.5 road miles from gate to old town of Knoxville. 365 Comment
  UCD169890  Scrophularia californica Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 730 Napa Knoxville Wildlife Area. 311 Comment
  JEPS112643  Scutellaria californica Jake Ruygt 1992-6-11 3029 Napa below South lake, Wild Horse Valley Ranch 426 Comment
  UCD20735  Scutellaria californica Ellen Dean; w/ Mark Bibbo 2002-6-17 1099 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. 190 Comment
  UC1713626  Scutellaria californica Joseph Andorfer Ewan 1934-4-30 8841 Napa 5 mi s of Monticello (on Steel Canyon Road); Steel Canyon Road Comment
  UCD54560  Scutellaria tuberosa K. Walker; PLB 102 2006-5-13 1 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  UCD101987  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa just north of Soscol House restaurant, 2 miles south of Napa State Hospital, State Highway 29. Comment
  CAS-BOT-BC69713  Selaginella wallacei John Thomas Howell 1926-3-21 1737 Napa Old toll road to Mt. St. Helena. Comment
  RSA15117  Senecio eurycephalus J. T. Howell 1935-5-12 12626 Napa Pope Creek Canyon one mile below Samuels Springs. Comment
  RSA155773  Senecio eurycephalus P. H. Raven 1962-5-31 17919 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  JEPS37181  Senecio flaccidus var. douglasii W. L. Jepson 1894-10-13 Napa Conn Creek, mouth of Conn Valley Conn Valley Comment
  UCD161513  Senecio flaccidus var. douglasii Jake Ruygt 1989-6-3 2364 Napa Highway 128 southwest of Monticello Dam about 1/2 mile. 188 Comment
  SEINET5607927 Image available Sequoia sempervirens Richard Vanderwall Unknown Napa Calistoga Comment
  CAS-BOT-BC240237  Setaria viridis Peter H. Raven 1952-9-14 5182 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC240238  Setaria viridis Peter H. Raven 1952-9-14 5183 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC488333  Sidalcea diploscypha 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
  UCD160676  Sidalcea diploscypha Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8748 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  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
  UC18889  Sidalcea hartwegii Willis L. Jepson 1893-5-9 Napa hills w Rutherford; Napa River Basin, hills w of Rutherford Comment
  UC796667  Sidalcea hartwegii Ira L. Wiggins 1949-4-30 12071 Napa about 15 mi ne Calistoga (between Calistoga and Clear Lake); ne of Calistoga, btw Calistoga and Clear Lake Comment
  UCD160775  Sidalcea keckii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8655 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 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
  UCD20538  Sidalcea keckii E. Dean; w/ PLB 102 class 2002-4-4 1000 Napa McLaughlin UC Reserve. Along Knoxville-Berryesa road just W of turnoff to old town of Knoxville, N side of road. 441 Comment
  SEINET4176068 Image available Silene californica Sally Walker 1981-5-18 Napa 9.9 mi down balts canyon rd South of Middletown Comment
  JEPS50936  Silene gallica W. L. Jepson 1923-4-29 9893 Napa St. Helena 91 Comment
  JEPS126133  Silene lemmonii Jake Ruygt 2008-5-21 5346 Napa Wildlake Ranch, Rattlesnake Ridge, road to Potato Hill. Calistoga 7.5' Qua. Comment
  UCD74404  Sisymbrium orientale Jake Ruygt 2000-5-17 4260 Napa Devilhead Rd. at top of first grade. 493 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
  UCD118612  Sisyrinchium bellum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD138795  Sisyrinchium bellum Heidi E. M. Dobson 1978-4-8 301 Napa east slope of Mt. Veeder. 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
  UCD48736  Sisyrinchium bellum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 14 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Rd. and Decker Bay Trail; approx. 90' NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  UCD166695  Sisyrinchium californicum Jake Ruygt 1986-4-19 1707 Napa north side of Mt. George. 310 Comment
  CDA5926  Solanum americanum J. T. Howell 1975-10-23 51510 Napa St. Helena. 0 Comment
  CAS-BOT-BC34694  Solanum lycopersicum P. H. Raven 1942-9-14 5170 Napa Road 1.5 mi. NE of Yountville 121 Comment
  UCD169858  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa About 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC154696  Solanum umbelliferum C. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC156485  Solanum umbelliferum J. T. Howell 1931-4-3 6128 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS110917  Solanum umbelliferum Jake Ruygt 1981-4-1 963 Napa Stag's Leap 152 Comment
  UCD127080  Solanum xanti Andreas Stohr 1996-4-21 6 Napa along Road 128 near Cold Canyon Preserve. 180 Comment
  UCD149691  Solanum xanti 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
  UCD49295  Solanum xanti E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Road, N of jct with South Decker Canyon Rd. in a shady gully downslope of road. Comment
  NY820402  Solanum xanti L. Constance 1938-3-27 2039 Napa In the Howell Mountains, 5 miles east of Napa, North Coast Ranges 457 Comment
  UCD67965  Solanum xanti Allen Gilbert 1974-4-28 22 Napa Near Lake Berryessa, approximately 2 miles West of Monticello dam, on highway 128. 76 Comment
  SEINET3149130  Solidago californica H. P. Chandler 1906-9-7 7117 Napa Alta Loma Ranch, Howell Mtn. 549 Comment
  OBI74554  Solidago elongata David J. Keil 1986-11-8 19790 Napa Along lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill Comment
  JEPS106874  Solidago spathulata Jake Ruygt 1987-7-27 2082 Napa 4.0 miles east of Atlas Peak Rd. on Mont icello Rd. 441 Comment
  JEPS106875  Solidago velutina subsp. californica Jake Ruygt 1987-6-14 2043 Napa 2.5 miles west of Madronna Ave.on Spring Mountain Rd. 274 Comment
  UC1299293  Solidago velutina subsp. californica Freed W. Hoffman 1947-9-11 1383 Napa Butts Canyon , Butts Canyon (North Coast Ranges) Comment
  UC517539  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11635 Napa Sage Canyon , Sage Canyon (Napa Range) Comment
  UCD18111  Solidago velutina subsp. californica K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 48 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
  RSA474085  Sonchus asper P. H. Raven 1965-5-15 20201 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  UCD144654  Sonchus asper subsp. asper Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  CAS-BOT-BC390058  Spergularia John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  JEPS129151  Spergularia media var. media Jake Ruygt 1983-3-29 1398 Napa River park Boulevard and S Jefferson Street SE corner. Napa 7.5' Quad. Comment
  UCD149592  Spergularia rubra 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-BC390564  Spergularia rubra Peter H. Raven 1953-10-4 6366 Napa Duttons Landing 3 Comment
  JEPS112646  Stachys ajugoides Jake Ruygt 1996-6-3 3742 b Napa Jameson Vinyards near South Kelly Road. 103 Comment
  JEPS62970  Stachys ajugoides Willis L. Jepson 1893-4-24 14985 Napa hills e St. Helena (to Conn Valley) Comment
  POM118339  Stachys rigida subsp. quercetorum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD126050  Stachys rigida var. quercetorum Douglas O. Dahl 1967-5-25 50 Napa 5.3 miles west of Monticello Dam. 152 Comment
  JEPS36144  Stebbinsoseris heterocarpa Willis L. Jepson 1893-5-8 Napa Howell Mt. grade below New Eden; Howell Mt. grade Comment
  UCD20023  Stellaria nitens C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1215 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  SBBG53024  Stellaria nitens M. R. Benedict 1978-4-18 Napa Hwy 128 on divide between Napa Valley and Russian River Valley, ca. 5 mi NW of Calistoga Comment
  CAS-BOT-BC375247  Stephanomeria elata Peter H. Raven 1951-6-26 3057 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC375248  Stephanomeria elata Peter H. Raven 1951-8-19 3839 Napa Nr. Lokoya 487 Comment
  UCD37097  Stephanomeria virgata Beecher Crampton 1956-8-28 3878 Napa 0.5 mile southwest of Monticello Dam, Vaca Mountains. Comment
  SBBG128109  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa just above high water line of Lake Berryessa, along the W side of Capell Crk N of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  SEINET10603938  Stipa pulchra David D. Keck 1931-4-2 Keck 1033 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa Comment
  JEPS100377  Streptanthus breweri Dean W. Taylor 2001-5-15 17658 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UCD164231  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 309 Napa McLaughlin UC Reserve: 'Lomatium hill. 341 Comment
  JEPS123293  Streptanthus breweri var. breweri David Gowen 2009-6-18 1070 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  UC956585  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-6-18 1047 Napa Sage Canyon North Coast Ranges Comment
  SFV8749  Streptanthus glandulosus P. Warner 1967-4-16 49 Napa North Coast Ranges Vaca Mountains. 0.7 miles above (west) of Monticello Dam, Lake Berryessa. 152 Comment
  POM197071  Streptanthus glandulosus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  POM215780  Streptanthus glandulosus D. D. Keck 1933-5-29 2370 Napa Pope Creek bridge south of Walters Springs. Comment
  POM225546  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Conn Valley. Comment
  UCD13243  Streptanthus glandulosus Glenn Greenleaf 1974-5-9 22 Napa California: Napa Co. Along state hwy 29, 7.4 mi N of jct with Silverado trail. T9N, R6W, Sec. 1, SW 1/4. Elev. 784 m. 784 Comment
  CAS-BOT-BC87155  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1941-6-22 16322 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC87156  Streptanthus glandulosus subsp. glandulosus David D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles northwest of Monticello. Comment
  JEPS54003  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1894-5-1 13411 Napa ridge opposite mouth of Conn Valley; Napa River Basin Comment
  UC1278007  Streptanthus glandulosus subsp. glandulosus B. Crampton 1957-5-16 4043 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD116005  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon. Comment
  CAS-BOT-BC269540  Symphoricarpos albus var. laevigatus Peter H. Raven 1951-8-19 3842 Napa Near Lokoya 304 Comment
  JEPS106730  Symphoricarpos albus var. laevigatus Jake Ruygt 1988-4-11 2148 Napa canyon to the north of American Canyon 140 Comment
  UCD137423  Symphoricarpos albus var. laevigatus C. R. Kovacic 1969-5-3 21 Napa northeast end of Lake Hennessey near outlet of Chiles Creek. Comment
  UCD38863  Symphoricarpos albus var. laevigatus Beecher Crampton 1962-10-9 6703 Napa 1.25 miles southwest Angwin. Comment
  CAS-BOT-BC97739  Symphyotrichum chilense Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC97740  Symphyotrichum chilense John Thomas Howell 1933-8-27 11627 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC97737  Symphyotrichum chilense Alice Eastwood 1920-7-31 9987 Napa Vallejo Comment
  CAS-BOT-BC98078  Symphyotrichum lentum Peter H. Raven 1951-6-24 3002 Napa Napa 30 Comment
  CAS-BOT-BC98079  Symphyotrichum lentum John Thomas Howell 1932-10-8 10797 Napa 7 miles south of Napa Comment
  UC87074  Symphyotrichum spathulatum T. S. Brandegee 1888-9-1 Napa Howell Mountain Comment
  CAS-BOT-BC221921  Taeniatherum caput-medusae Peter H. Raven 1952-5-26 4055 Napa 3 mi. e. Pope Valley P.O. on Monticello Rd. 182 Comment
  JEPS21536  Tanacetum parthenium W. L. Jepson 1918-6-24 Napa Silverado, an abandoned inn half-way up to the grade to the Tollhouse on Mt. St. Helena Mt. St. Helena Comment
  JEPS129150  Taraxacum officinale Jake Ruygt 1978-4-9 270 Napa 2.1 miles NW of Dealy Lane on Henry Road. Napa 7.5' Quad. Comment
  JEPS120336  Taraxia ovata Jake Ruygt 1990-4-1 2452 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  CDA12199  Thermopsis californica var. californica G. F. Hrusa 1989-4-29 6045 Napa North Coast Biodiversity Arena; Chiles Valley Rd., approx. 2 km N of junction of Hwy 128 and Chiles Valley Rd. Comment
  UCD108615  Thermopsis californica var. californica B. Crampton 1953-3-24 1025 Napa Along Hwy. 128, about 10 miles east of Rutherford. Comment
  SEINET7042614  Thermopsis macrophylla A. G. Vestal 1963-5-13 s.n. Napa Conn Valley Road. Saint Helena quadrangle UTM Zone 10, 552079mE, 4262034mN. Comment
  JEPS65661  Thermopsis macrophylla var. macrophylla Willis L. Jepson 1893-4-28 13585 Napa near Napa; Napa River Basin, Lower Napa Valley Comment
  CAS-BOT-BC66497  Thysanocarpus curvipes M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  CAS-BOT-BC66498  Thysanocarpus curvipes M. S. Jussel 1931-4-19 s.n. Napa Pope Valley. Comment
  CAS-BOT-BC66499  Thysanocarpus curvipes Alice Eastwood 1918-5-1 6846 Napa Mount Saint Helena. Comment
  JEPS106590  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2882 Napa Tuteur Ranch, end of Green Valley Rd. 365 Comment
  JEPS106591  Thysanocarpus curvipes Jake Ruygt 1994-3-15 3318 Napa Chiles Canyon Road about 1 mile from Chiles Valley 365 Comment
  UCR212324  Thysanocarpus curvipes Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  CAS-BOT-BC66510  Thysanocarpus curvipes John H. Thomas 1968-4-4 14275 Napa About 2 miles east of Rutherfor along Highway 128. Comment
  CAS-BOT-BC66512  Thysanocarpus curvipes Lewis S. Rose 1935-4-18 35099 Napa Steel Canyon. Comment
  UCD41232  Thysanocarpus curvipes Gary Fugle 1976-4-11 11 Napa On west side of road, 3 miles west of Hwy 12P and Hwy 121 junction on Hwy 128. 152 Comment
  CAS-BOT-BC66963  Thysanocarpus laciniatus Peter H. Raven 1953-5-2 5398 Napa Summit of hills due east of Yountville. 304 Comment
  CDA12106  Thysanocarpus radians G. F. Hrusa 1989-4-24 5962 Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  JEPS106584  Thysanocarpus radians Jake Ruygt 1977-5-3 216 Napa 6.7 miles north of Monticello Rd. on Atlas Peak Rd. 438 Comment
  JEPS106585  Thysanocarpus radians Jake Ruygt 1997-3-8 3803 Napa south of Butts Canyon Road intersection with James Creek Rd 210 Comment
  CAS-BOT-BC67313  Thysanocarpus radians John Thomas Howell 1931-4-2 6107 Napa 4 miles from Monticellos on Wooden Valley Road, Napa Range. Comment
  JEPS667 Image available Thysanocarpus radians W. L. Jepson 1893-4-28 30 n Napa plateau n Mt. George Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. Comment
  JEPS110738  Tonella tenella Jake Ruygt 1977-4-3 175 Napa Green Creek area east of Lake Berryessa 198 Comment
  SBBG28990  Tonella tenella D. D. Keck 1931-4-3 1066 Napa Pope Crk Cyn, 8 mi NW of Monticello Comment
  UCD17967  Torilis nodosa Ellen Dean; Kate Mawdsley 2001-4-9 686 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
  UCD128188  Torilis nodosa M. Wiesendanger 1926-4-1 1490 Napa Exact location unknown. Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  CAS-BOT-BC85166  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mt. St. Helena Comment
  CAS-BOT-BC85170  Torreya californica Carl B. Wolf 1928-5-4 1865 Napa Mt. St. Helena Comment
  CAS-BOT-BC85172  Torreya californica John A. Sutro 1971-9-8 s.n. Napa Sutro Ranch, Mt. Atlas Comment
  JEPS103993  Torreya californica Jake Ruygt 1979-5-6 582 Napa Mt. St. Helena 731 Comment
  SEINET3073146 Image available Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD133451  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1203 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  UCD135177  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Beside Highway 29, east side of Mt. St. Helena, 1 mile north of summit of road. Comment
  JEPS63927  Toxicodendron diversilobum W. L. Jepson 1915-4-22 6231 Napa hills east St. Helena Comment
  SD106154  Toxicodendron diversilobum W. L. Jepson 1915-4-23 6236 Napa Hills east of St. Helana Comment
  UCD141585  Toxicoscordion fontanum Ellen Dean 2013-4-27 7709 Napa Las Posadas State Forest. East of the Town of Angwin, East of Las Posadas Rd. Ca. 0.1 mile from Fire Station, along dirt road that travels North/Northeast from station. North side of road. 519 Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD162096  Toxicoscordion fremontii Dylan O. Burge 2014-3-15 1494 Napa Mount Saint Helena. 760 Comment
  CAS-BOT-BC220990  Trichostema Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard's Roost, north end of Stags Leap 411 Comment
  SEINET9366903  Trichostema lanceolatum Unknown 1997-8-17 Napa Pope Valley Comment
  UCD167096  Trichostema lanceolatum Jake Ruygt 2015-8-17 6153 Napa Missimer - Snell Valley Preserve. 181 Comment
  CDA30789  Trichostema laxum V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS112638  Trichostema laxum Jake Ruygt 1986-7-2 1854 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 448 Comment
  JEPS63142  Trichostema laxum John Thomas Howell 1927-8-24 3046 Napa Pope Valley Creek below Walters Springs, E of Napa Range Comment
  UCD125870  Trichostema laxum D. H. Hartmann 1941-8-19 s.n. Napa Putah Creek, Putah Canyon. Comment
  JEPS112620  Trichostema oblongum Jake Ruygt 1986-6-14 1818 Napa Craters, behind Palisades 719 Comment
  JEPS120348  Trichostema ruygtii Jake Ruygt 2004-8-21 4648 Napa Atlas Peak Road about 1/4 mile north of Hardman Ave., near Silverado C. C. Napa 7.5' Quad. Comment
  RSA731088  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard s Roost, north end of Stags Leap. 412 Comment
  UC22514  Trientalis latifolia Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, New Eden New Eden; Napa River Basin, Howell Mountain, New Eden Comment
  UC1925896  Trifolium Ethel Crum 1931-1 1046 Napa Four miles from Yountville. Comment
  UC1925866  Trifolium albopurpureum var. albopurpureum Ethel Crum 1931-1 1061 Napa Pope Valley Comment
  SEINET7075540  Trifolium albopurpureum var. dichotomum 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
  UC137700  Trifolium albopurpureum var. dichotomum C. F. Baker 1903-4-19 1999 Napa St. Helena Comment
  UCD83440  Trifolium bifidum var. decipiens Jake Ruygt 1996-5-13 3677 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 466 Comment
  JEPS122769  Trifolium cernuum Jake Ruygt 2011-5-12 5784 Napa Ridgeview Lane south of Howell Mtn Road. Quad: St. Helena. Comment
  UCD83441  Trifolium ciliolatum Jake Ruygt 1981-4-18 977 a Napa Harris Canyon. 213 Comment
  UC16483  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  UC188495  Trifolium depauperatum var. depauperatum Edw. L. Greene 1895-4-1 Napa Napa Valley Comment
  JEPS106829  Trifolium depauperatum var. hydrophilum Jake Ruygt 1996-4-11 3593 Napa Calistoga Airport 105 Comment
  UC917166  Trifolium depauperatum var. truncatum D. C. Finfrock 1950-4-6 21 Napa 14 mi from Monticello (Mountain meadow); Pope valley Comment
  UCD108528  Trifolium depauperatum var. truncatum K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  UCD35287  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa 1/4 mile northwest of Knoxville. Comment
  UCD35295  Trifolium dichotomum Beecher Crampton 1955-4-7 2429 Napa 7.8 miles north of Monticello. Comment
  JEPS65876  Trifolium fucatum W. L. Jepson 1915-4-23 6256 Napa Conn Valley Comment
  UCD48022  Trifolium fucatum M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 21 Napa Napa County, McLaughlin Reserve, north of Knoxvillle-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 426 Comment
  UCD18008  Trifolium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-28 740 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. north of jct. with South Decker Canyon Rd. 243 Comment
  UCD109759  Trifolium gracilentum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD111240  Trifolium incarnatum David Slade 1982-4-22 37 Napa Pleasant Valley Road 1.2 mi. w. Highway 128, roadside. 30 Comment
  CDA10873  Trifolium microcephalum G. F. Hrusa, M. Rejmanek 1993-5-15 10968 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD149708  Trifolium microcephalum 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
  JEPS65981  Trifolium microcephalum W. L. Jepson 1938-5-20 18803 Napa above St. Helena Sanitarium (above vineyard of John Ballentine); Howell Mtn Comment
  UC555460  Trifolium microcephalum H. L. Mason 1928-4-13 4340 Napa near spring (Reili School) Comment
  JEPS106712  Trifolium microdon Jake Ruygt 1996-5-4 3646 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  UCD17970  Trifolium microdon Ellen Dean; Kate Mawdsley 2001-4-9 689 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
  UCD109176  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Napa Yontville cemetery. Comment
  JEPS106713  Trifolium obtusiflorum Jake Ruygt 1990-6-2 2570 Napa Sulphur Canyon 237 Comment
  JEPS106716  Trifolium oliganthum Jake Ruygt 1996-4-9 3568 Napa Wontrop Wildlife Sanctuary 542 Comment
  UC137701  Trifolium oliganthum C. F. Baker 1903-4-20 2606 Napa Mt. St. Helena Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  UCD83423  Trifolium oliganthum Jake Ruygt 2003-5-17 4526 Napa Devil's Canyon, NW of 'The Crags' area of Archer Taylor Preserve. 603 Comment
  UCD111357  Trifolium olivaceum M. Wiesendanger 1926-4-1 1491 Napa location unknown. Comment
  POM21431  Trifolium olivaceum var. olivaceum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-25 7409 Napa Near Napa Comment
  UCD128339  Trifolium resupinatum Virginia Moran 2012-5-1 s.n. Napa No exact location. Comment
  UC1925877  Trifolium variegatum Ethel Crum 1931-1 1084 Napa Near Aetna Springs Comment
  UCD83433  Trifolium variegatum Jake Ruygt 2002-5-25 4427 Napa Devil's Canyon, Archer Taylor Preserve. 536 Comment
  UC16770  Trifolium variegatum var. variegatum W. L. Jepson May 2 1891-May 6 1891 Napa Little Oak Comment
  UCD47882  Trifolium vesiculosum Joe Ditomaso 2005-6-27 s.n. Napa Napa County, McLaughlin UC Reserve, along Morgan Valley Rd, ca. 0.5 miles S of the junction of Napa and Lake Counties. Comment
  JEPS129018  Trifolium willdenovii Jake Ruygt 2016-5-7 6238 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS4400  Trifolium willdenovii W. L. Jepson 1913-4-15 5305 Napa Howell Mtn 609 Comment
  JEPS4401  Trifolium willdenovii Willis L. Jepson 1893-4-24 13672 Napa e St. Helena (hills, to Conn Valley); Napa River Basin Comment
  RSA10702  Trifolium willdenovii Carl B. Wolf 1928-5-3 1785 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD109892  Trifolium willdenovii R. Tofsrud 1951-5-20 s.n. Napa ca. 4 mi. W. of Oakville. Comment
  UCD49034  Trifolium willdenovii A. Van Houtte; E. Leger and C. Hohn 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  POM182732  Trifolium willdenovii D. D. Keck 1931-4-2 1053 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UC16740  Trifolium willdenovii Willis L. Jepson 1893-4-23 Napa Napa Valley Napa River Basin Comment
  UC4018  Trillium albidum Willis L. Jepson 1893-5-8 Napa Howell Mt. Comment
  UC672070  Trillium albidum Herbert L. Mason 1926-3-22 2796 Napa Petrified Forest Comment
  JEPS113978  Trillium chloropetalum Jake Ruygt 1994-3-19 3328 Napa In canyon between Little Bear Valley and Bear Valley. Detert Reservoir 7.5' Quad. Comment
  RSA195320  Trillium chloropetalum var. chloropetalum Gilbert Muth 1967-5-19 689 Napa Milliken Dam. 335 Comment
  JEPS110675  Triphysaria pusilla Jake Ruygt 1979-4-17 523 a Napa north of Suscol Hill 24 Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  UC1301199  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-3-17 5239 Napa Henry Road e Napa; San Francisco Bay Region 121 Comment
  UCD95927  Trisetum canescens Ellen Dean; with Clare Loughran 2011-5-20 7059 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. 612 Comment
  JEPS64201  Triteleia hyacinthina W. L. Jepson 1938-5-25 18871 Napa about 4 or 5 mi n Yount School (opposite Rutherford, e side of Napa Valley); Napa Valley Comment
  RSA195341  Triteleia hyacinthina Gilbert Muth 1967-5-19 698 Napa Milliken Dam. 335 Comment
  JEPS110929  Triteleia laxa Jake Ruygt 1986-4-19 1713 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 36 Comment
  JEPS58047  Triteleia laxa R. H. Platt May 1916 Napa nw of Berryessa Valley (above Pope Valley); Upper Putah Creek Comment
  UCD139378  Triteleia laxa J. Buck 1996-6-2 26 Napa along Highway 128 at intersection of Berryessa Knoxville Road. 48 Comment
  UCD139391  Triteleia laxa Carolyn Thomas 1974-4-14 10822 Napa near Yountville, near Thomas Ranch. 274 Comment
  CHSC108728  Triteleia peduncularis B. Castro; L. P. Janeway 2002-5-12 1357 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  UC1278003  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa above Capell Creek (n end of Capell Valley); , n end Capell Valley Comment
  JEPS40103  Umbellularia californica W. L. Jepson 1937-4-9 17998 Napa Howell Mountain, St. Helena, 1/4 mi below summit St. Helena; Howell Mountain, St. Helena Comment
  RSA15671  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mt. St. Helena grade, at Mt. St. Helena Inn. Comment
  UCD170195  Umbellularia californica Daniel Potter 2015-3-14 762 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 282 Comment
  JEPS36213  Uropappus lindleyi W. L. Jepson 1923-4-29 9891 Napa St. Helena Comment
  UCD170833  Uropappus lindleyi 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD18075  Uropappus lindleyi Ellen Dean; with Plant Biology 102 class 2000-4-22 631 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
  UCD63169  Uropappus lindleyi Jake Ruygt 1979-4-6 482 Napa 0.3 miles east of Butts Canyon Rd. on Snell Valley Rd. 207 Comment
  RSA394836B  Vaccinium macrocarpon C. M. Knapp 1981-4-12 s.n. Napa Southwest of North Columbia, in hydraulically mined area. 854 Comment
  UCD124634  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  JEPS110576  Veronica anagallis-aquatica Jake Ruygt 1989-6-25 2386 Napa Napa River N of Trancas St., Napa 1 Comment
  JEPS115741  Veronica anagallis-aquatica Lowell Ahart 2009-10-12 16453 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  UC447253  Veronica arvensis H. P. Chandler 1907-5-12 Napa White Sulphur Spring, St. Helena White Sulphur Spring; , St. Helena Comment
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  UCD167054  Vicia americana subsp. americana Jake Ruygt 1992-4-29 2919 Napa Wild Horse Valley Ranch, SW of the south pond. 448 Comment
  UC162844  Vicia hassei Joseph P. Tracy 1904-5-23 2097 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  JEPS106540  Vicia sativa subsp. nigra Jake Ruygt 1990-4-21 2501 Napa Giles Mead ranch, Atlas Peak Rd. 429 Comment
  JEPS106541  Vicia sativa subsp. nigra Jake Ruygt 1998-6-8 4017 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  UCD108962  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-4-20 5343 Napa Southern slopes of Mt. Atlas. 609