Search Results — 2000 specimen records retrieved (1485 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
  UCD117009  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy. 128. Comment
  JEPS127876  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 214 Napa About 200 meters west of Butts Canyon Rd. Comment
  UCD128294  Achillea millefolium Kamala Crompton 1996-5-12 14 Napa along road 128 about 5 miles west of Davis. 100 Comment
  RSA786931  Achillea millefolium var. borealis Carrie A. Herd 1982-5-9 98 Napa Sage Canyon Road, Con Dam area Comment
  CAS-BOT-BC29758  Achyrachaena mollis M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS104507  Achyrachaena mollis Jake Ruygt 1989-5-2 2299 Napa Airport Rd., north side about .2 miles west of HWY 29 12 Comment
  RSA424737  Achyrachaena mollis Aaron Liston 1987-4-25 661 -2 Napa NE side of Lake Hennessey, Conn Valley Road. Comment
  UCD167102  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6122 Napa Missimer - Snell Valley Preserve. 177 Comment
  UCD103790  Acmispon americanus var. americanus Edward Lee Greene 1979-6-1 s.n. Napa location unknown. Comment
  UCD75713  Acmispon americanus var. americanus Jake Ruygt 1986-7-12 1875 Napa Napa River, south of confluence withTulocay Cr. 1 Comment
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD18058  Acmispon brachycarpus Ellen Dean; with Plant Biology 102 class 2000-4-22 613 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
  UCD47973  Acmispon brachycarpus A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 3 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD81830  Acmispon brachycarpus Ellen Dean 2009-4-24 5460 Napa Property at 600 Petrified Forest Road. 170 Comment
  JEPS129042  Acmispon glaber Jake Ruygt 2016-6-5 6273 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD104117  Acmispon glaber H. T. Hartmann 1941-8-14 s.n. Napa Between Napa and Monticello. Comment
  UCD48948  Acmispon glaber var. glaber K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Along West Rd., ca. 0.38 as the crow flies miles (1500 ft.) NW of jct, with S. Decker Canyon Rd. 237 Comment
  UCD149712  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD18153  Acmispon wrangelianus Jean Shepard; with Plant Biology 102 class 2000-4-29 191 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD161688  Acmispon wrangelianus Jake Ruygt 2009-4-8 5395 Napa north side of American Canyon, west of Highway 80. 158 Comment
  SEINET200082  Adenostoma fasciculatum Susan Wagener 1955-5-15 61 Napa At lookout point 1/2 mile southwest of Oakville on Triniti Road to Glen Ellen. Comment
  SEINET215111  Adenostoma fasciculatum Ben Henry 1973-5-5 30 Napa 2 miles above Monticello Dam on State Highway 128. Comment
  UC12016  Adenostoma fasciculatum Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  RSA60355  Adenostoma fasciculatum var. fasciculatum G. R. Campbell 1948-6-18 658 Napa 10 miles south of Montecello Comment
  UCD164818  Adiantum aleuticum Jake Ruygt 2013-5-18 5907 Napa Las Posadas State Forest. 367 Comment
  SEINET265721 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC199989  Adiantum jordanii C. F. Sonne April, 1895 Napa Soda Springs Comment
  UCD137202  Adiantum jordanii G. F. Hrusa; G. L. Stebbins 1994-3-11 11593 Napa Las Posadas State Forest, south of Moore Creek. 500 Comment
  CAS-BOT-BC202657  Aesculus californica Peter H. Raven 1950-6-20 2326 Napa St. Helena to Conn Valley, Napa Range Comment
  JEPS40091  Aesculus californica W. L. Jepson Nov 29 1907-Nov 30 1907 2970 a Napa St. Helena Comment
  UCD136632  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa Putah Creek Canyon, 12 miles west of winters. Comment
  UCD19342  Agoseris grandiflora M. A. Bibbo; E. Dean 2001-7-6 35 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  UCD69067  Agoseris grandiflora P. Rodriguez-Rojo 1997-5-31 Napa Lower Chiles Valley Rd. Roadcuts, serpentine soils. UTM: 10SEN6261 240 Comment
  JEPS104511  Agoseris heterophylla Jake Ruygt 1994-5-17 3378 Napa Barnett Road, Pope Valley, Juliana Vineyards. 252 Comment
  POM203304  Agoseris heterophylla John T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC13320  Agoseris retrorsa Peter H. Raven 1951-6-10 s.n. Napa Crater Region, E of Palisades 762 Comment
  CAS-BOT-BC13321  Agoseris retrorsa Paul F. Covel 1940-4-28 1742 Napa Howell Mt., near Pacific Union Coll. Comment
  UC72587  Agrostemma githago Miss M. Alice King Napa St. Helena Comment
  SEINET238873  Agrostis diegoensis Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains above Wooden Valley. Comment
  CAS-BOT-BC127402  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  CAS-BOT-BC127139  Agrostis exarata John Thomas Howell 1940-5-19 15445 Napa Near Calistoga. Comment
  UC1153788  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD149571  Agrostis exarata 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
  UCD52270  Agrostis exarata August L. Hormay Date Unknown Napa North of Napa. Comment
  UCD38719  Agrostis hallii Beecher Crampton 1957-6-4 4109 Napa North end of Capell Valley. Comment
  UCD52699  Agrostis hallii Beecher Crampton 1953-5-19 1298 Napa Sonoma - Napa County Line: 5 miles west Calistoga, Hwy. 128. Comment
  POM126099  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  RSA113784  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga Comment
  UC187234  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD35222  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa 3 miles south of Calistoga. Comment
  UCD36949  Agrostis pallens Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains, above Wooden Valley. Comment
  UCD53205  Agrostis pallens John Thomas Howell 1943-6-10 18236 Napa Hills southwest of St. Helena. Comment
  UCR227899  Agrostis pallens Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  JEPS123026  Aira elegans Jake Ruygt 1982-4-29 1214 Napa Suscol plain east of Kaiser Steel, west of Highway 29 (221). Quad: Napa. Comment
  RSA123594  Allium amplectens Milo S. Baker 1932-4-26 5963 Napa Monticello Road near Pope Valley. Comment
  CAS-BOT-BC461085  Allium amplectens Lester Rowntree 1938-5-16 s.n. Napa Alta Peack [Atlas Peak?], near Napa Comment
  CAS-BOT-BC461092  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS47556  Allium amplectens W. L. Jepson 1938-5-18 18791 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  SEINET12044090  Allium amplectens M. S. Jussel 1937-1 s.n. Napa Palisades Comment
  CAS-BOT-BC466761  Allium cratericola Milo S. Baker 1926-4-10 174 a - Son. Reg. Napa The Crater - 3 mi. south St. Helena Inn Comment
  CAS-BOT-BC466765  Allium cratericola Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  JEPS110938  Allium falcifolium Jake Ruygt 1979-4-23 544 Napa 2.3 miles east of Silverado Trail on HWY 128 106 Comment
  RSA183471  Allium falcifolium William B. Davis 1960-4-15 27 Napa Pope Valley, 5 miles east of turn-off from lower end of Lake Berryessa. Comment
  UC1133798  Allium falcifolium B. O. Schreiber 1938-4-24 2504 Napa 1/2 mi nw Knoxville; Reiff Quadrangle Comment
  UCR43119  Allium falcifolium 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
  CAS-BOT-BC469024  Allium falcifolium M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  POM257226  Allium falcifolium J. Morrison, Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  UC629766  Allium falcifolium John Morrison, Annetta Carter 1938-4-24 1355 Napa on road from Monticello to Lower Lake 0.6 mi w Knoxville Comment
  UCD138521  Allium falcifolium M. Ensign 1943-5-28 327 Napa 26 miles from Monticello on road to Lower Lake. Comment
  UCD161515  Allium falcifolium Jake Ruygt 1990-4-8 2472 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  UCD138528  Allium fimbriatum Robert E. Preston 1988-4-10 577 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  JEPS110936  Allium lacunosum var. lacunosum Jake Ruygt 1999-5-17 4160 Napa Wild Horse Valley Ranch, near Leoma Lakes 429 Comment
  RSA123628  Allium serra Milo S. Baker 1932-4-26 5969 Napa Pope Creek along road to Pope Valley. Comment
  CAS-BOT-BC475561  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  UCD159904  Allophyllum gilioides 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. East section, west of Q48. 243 Comment
  JEPS101646  Allophyllum gilioides subsp. violaceum Dean W. Taylor 1998-6-23 16700 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UC1197953  Alnus rhombifolia J. P. Tracy 1902-5-16 1490 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 304 Comment
  JEPS115736  Amaranthus albus Lowell Ahart 2009-10-12 16468 Napa 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
  CHSC102259  Amaranthus californicus Lowell Ahart 2009-10-27 16474 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
  RSA755731  Amaranthus californicus Barbara Ertter, Elizabeth Neese 1988-10-2 7969 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  JEPS104547  Amaranthus cruentus Jake Ruygt 1990-11-3 2614 Napa .2 mile west of Carneros Avenue on HWY 12 36 Comment
  CAS-BOT-BC45031  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  CDA34166  Amelanchier pallida D. G. Kelch 2010-4-26 10 .099 Napa Skyline Canyon, E of Napa State Hospital. Comment
  CAS-BOT-BC136740  Amelanchier utahensis Clara A. Hunt 1923-1-1 s.n. Napa Near St. Helena Comment
  CAS-BOT-BC136747  Amelanchier utahensis L. R. Abrams 1928-5-4 12281 Napa Mt. St. Helena toll house Comment
  JEPS120341  Ammannia robusta Jake Ruygt 2005-10-30 4954 Napa Napa River about 100 yards north of the Pope Street bridge. Saint Helena 7.5' Quad. Comment
  UCD167279  Ammannia robusta Jake Ruygt 2006-9-5 5097 Napa Conn Creek northwest of confluence with Rector Creek. 30 Comment
  JEPS16028  Ammi majus W. L. Jepson 1920-7-12 9066 Napa Salvador School n. Napa (near Napa R.) Comment
  JEPS8339  Ammi majus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-9 4752 Napa just n. of city limits Napa (ca. 1/4 mi. w. of northern end of Jefferson St.) 18 Comment
  UC659018  Ammi majus Mildred E. Mathias 1937-7-23 1316 Napa roadside n. of Vallejo on rd. to Napa Comment
  UCD127159  Ammi majus Wm. Hamilton 1948-6-1 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  JEPS107261  Amorpha californica var. napensis Jake Ruygt 1976-5-18 91 Napa 5.2 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments
Aug 15 2010
  JEPS35496  Amorpha californica var. napensis W. L. Jepson 1894-10-14 13582 Napa sw Calistoga; Rebecca Ranch 213 Comment
  POM262978  Amorpha californica var. napensis J. C. Roos 1939-4-29 289 Napa Angwin, Howell Mountain Comment
  UC1137510  Amorpha californica var. napensis J. B. Spring 1932-6-27 91 Napa 2 mi e McCormack Ranch; Santa Rosa Quadrangle, Sulphur Spr. Creek 152 Comment
  CDA16003  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 1 of 3. Comment
  JEPS123020  Ampelodesmos mauritanicus Jake Ruygt 1993-11-29 3293 Napa Approximate 2.5 miles NE of Silverado Trail on Lawly Toll Road. Quad: Detert Reservoir. Comment
  JEPS126073  Amsinckia eastwoodiae Jake Ruygt 1982-3-26 1146 Napa East of Rocktram, west of Highway 221. Napa 7.5' Quad. Comment
  JEPS20859  Amsinckia intermedia W. L. Jepson 1893-4-26 21085 Napa Oakville Napa Valley; Napa River Basin Comment
  UCD18086  Amsinckia intermedia Ellen Dean; with PLB 102 class 2000-4-22 642 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
  UCD47937  Amsinckia intermedia Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 11 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  RSA195307  Amsinckia intermedia Gilbert Muth 1967-4-23 648 Napa Spring Mountain Road, St. Helena. Comment
  UC1191038  Amsinckia intermedia Francia Chisaki 1954-4-15 596 Napa about 2 mi s Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD13131  Amsinckia intermedia Etienne and Laurie Oleksiewicz 1981-4-18 9 Napa Napa CO. On Knoxville Rd., 8.9 miles north of Pope Canyon Rd. Comment
  UC24615  Amsinckia lycopsoides Willis L. Jepson 1891-5-1 Napa Upper Conn Valley; Napa River Basin Comment
  UC1178212  Amsinckia menziesii var. menziesii S. Galen Smith 1951-4-15 Napa along Silverado Trail Comment
  UCD170199  Anagallis arvensis Daniel Potter 2015-3-14 758 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 358 Comment
  UCD18486  Anagallis arvensis P. J. Plummer 1995-5-27 s.n. Napa off Hwy 128. 335 Comment
  UCD19934  Anagallis arvensis E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 792 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD49108  Anagallis arvensis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 15 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  SEINET5733575 Image available Anagallis arvensis Jane E. McBerty 1961-1 18 Napa On road to Pope Valley ca. 0.5 mi. from State Hwy 128.; Pope Valley 152 Comment
  HSC81866  Ancistrocarphus filagineus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5142 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS104502  Ancistrocarphus filagineus Jake Ruygt 1996-4-27 3629 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Comment
  UCD170806  Ancistrocarphus filagineus 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
  JEPS16005  Angelica californica E. L. Greene 1883-1 Napa Calistoga Comment
  UC619409  Angelica californica Wilhelm N. Suksdorf 1913-7-26 683 Napa e of Napa Comment
  CDA40901  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 2 of 3 Comment
  JEPS14087  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UC174197  Angelica tomentosa Katharine Brandegee 1910-7-26 Napa near Aetna Springs Comment
  UCD151214  Angelica tomentosa Jake Ruygt 1999-7-28 4213 Napa Sage Canyon Rd. near Conn Dam. 79 Comment
  HSC71987  Angelica tomentosa J. M. DiTomaso 1980-9-9 1980 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29, 10.6 mi N of Calistoga 610 Comment
  JEPS15907 Image available Angelica tomentosa W. L. Jepson 1895-8-30 13484 Napa near Calistoga; Upper Napa Valley; Near Calistoga, Upper Napa Valley Comment
  JEPS104504  Anthemis cotula Jake Ruygt 1978-6-18 362 Napa In field northeast of Maxwell Bridge, Imola Ave. 3 Comment
  UCSB6339  Anthemis cotula Keator, Glenn 1959-6-22 Napa Near southeast shore of Lake Hennessy, Napa Range Comment
  JEPS104497  Anthriscus caucalis Jake Ruygt 1995-4-17 3424 b Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 67 Comment
  UCD63860  Antirrhinum cornutum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  JEPS83370  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 333 Napa 1.3 mi w Hwy. 29/128 in St. Helena (on Spring Street (not Spring Mt. Rd.), nw side of road at center of curve); St. Helena, Rutherford Quad. (7.5', 1951) 106 Comment
  JEPS5345  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Willis L. Jepson 1894-7-19 21307 Napa Calistoga; Napa River Basin, Upper Napa Valley Comment
  UC1176938  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Peter H. Raven 1950-6-20 2334 Napa between Conn Valley and St. Helena; Napa Range Comment
  CAS-BOT-BC237919  Antirrhinum virga T. S. Brandegee 1883-8-1 s.n. Napa Hills near Calistoga Comment
  JEPS84629  Apiastrum angustifolium John W. Willoughby 1977-4-20 2173 Napa Vaca Mountains, w side of Blue Ridge, near latitude of Mount Vaca (just south) Blue Ridge; Vaca Mountains, Blue Ridge 731 Comment
  UC1199839  Apocynum cannabinum Herbert L. Mason 1942-9-29 12559 Napa ca. 1 mi. n. Rutherford (edge of Beaulieu Ranch) Comment
  CAS-BOT-BC392031  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi. n. of Pope Valley Comment
  UC765745  Aquilegia eximia R. F. Hoover 1938-9-23 3865 Napa canyon of South Fork Butts Creek Comment
  JEPS2729 Image available Aquilegia eximia J. P. Tracy Jul 5 1899-Jul 9 1899 353 Napa head Flat Creek (down from Moore's Creek Canyon); Howell Mt.; Head of Flat Creek, Howell Mt. Comment
  CAS-BOT-BC397795  Aquilegia formosa Rimo Bacigalupi 1928-6-20 1865 Napa Howell Mt, 10 miles west of St Helena Comment
  UCD95543  Aquilegia formosa R. H. Miller 1949-5-8 46 Napa Beside Highway 37, about 10 miles northeast of Napa. Comment
  JEPS106773  Arabis glabra Jake Ruygt 1983-4-3 1405 Napa east end of Green Valley Rd. 432 Comment
  JEPS40073  Aralia californica Willis L. Jepson 1894-10-14 14139 Napa Calistoga Napa R. Basin, Calistoga Comment
  RSA470446  Aralia californica T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  RSA797289  Arbutus menziesii Keith E. Hoffmaster 1946-3-23 1064 Napa Napa range, along Napa-Monticello road 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
  UC1198122  Arceuthobium campylopodum J. P. Tracy 1902-5-16 1485 Napa 3-4 mi e Angwin's (haed of Moore's Creek) 457 Comment
  JEPS40129  Arceuthobium campylopodum W. L. Jepson Oct. 1893 Napa Conn Valley Comment
  UC549537  Arctostaphylos J. E. Adams 1934-3-10 643 Napa Mt. St. Helena Comment
  SEINET11984892  Arctostaphylos Unknown 1966-1 680 Napa property W of Macdonald Ranch, Las Posadas State Forest Comment
  HSC7607  Arctostaphylos canescens C. B. Wolf 1928-2-25 1502 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  JEPS116548  Arctostaphylos canescens Jake Ruygt 2006-3-14 4958 Napa Monticello Road about 0.1 mile east of Leoma Lakes Road. Mount George 7.5' Quad. Comment
  JEPS38625  Arctostaphylos canescens Willis L. Jepson 1893-9-23 14701 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  JEPS38632  Arctostaphylos canescens Willis L. Jepson 1893-4-25 14698 Napa highest ridges near Caux's Knob; Napa River Basin Comment
  CAS-BOT-BC23953  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-10-3 2199 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC23954  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-3-21 1703 Napa Mt. St. Helena along trail to summit Comment
  CAS-BOT-BC23956  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1858 Napa Mt. St. Helena Comment
  CAS-BOT-BC23959  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12272 Napa Near summit of Mt. St. Helena Comment
  CAS-BOT-BC23960  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-5-5 11300 Napa Mt. St. Helena Comment
  CAS-BOT-BC23963  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helana Comment
  CAS-BOT-BC23977  Arctostaphylos canescens subsp. canescens H. E. McMinn 1922-3-27 50 Napa Mt. St. Helena Comment
  CAS-BOT-BC23980  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11115 Napa Mt. St. Helena Comment
  CAS-BOT-BC23981  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11117 Napa Mt. St. Helena Comment
  CAS-BOT-BC23983  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-7 4697 Napa Mt. St. Helena Comment
  CAS-BOT-BC23986  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa 1 mi. north of summit of Mt. St. Helena Comment
  CAS-BOT-BC23992  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa On saddle about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  JEPS116574  Arctostaphylos canescens subsp. canescens Jake Ruygt 1978-3-19 248 Napa Mount Saint Helena. Detert Reservoir 7.5' Quad. Comment
  JEPS48499  Arctostaphylos canescens subsp. canescens Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  RSA52469  Arctostaphylos canescens subsp. canescens I. L. Wiggins 1949-4-30 12082 Napa On saddle bout 1.5 mi. from summit of Mt. St. Helena. Comment
  UC876541  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1940-3-6 9496 Napa on Franz Val. road from Calistoga which branches off from Calistoga-Santa Rosa rd thru. Pet. Forest about 2 mi from center of Calistoga Comment
  RSA626915  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24804 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  CAS-BOT-BC23145  Arctostaphylos glandulosa subsp. glandulosa Carl B. Wolf 1928-5-4 1861 Napa Mt. St. Helena Comment
  JEPS68363  Arctostaphylos glandulosa subsp. glandulosa L. R. Heckard 1972-6-26 2997 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  UC1120199  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1932-5-16 83 Napa Sarcos Creek Napa Quadrangle Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  UCD51108  Arctostaphylos glandulosa var. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. SW of Angwin. 243 Comment
  UCD73846  Arctostaphylos glandulosa var. cushingiana Ellen Dean; S. Rae 2008-5-21 4981 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 267 Comment
  UCR228649  Arctostaphylos glandulosa var. cushingiana Ellen Dean, Stephen Rae 2008-5-21 4981 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 268 Comment
  RSA633051  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24805 Napa On southeast side of Mt. St. Helena. 930 Comment
  UCD23605  Arctostaphylos manzanita Rodney Gale Myatt 1971-9-15 982 Napa Robert Louis Stevenson State Park. Along Hwy 29, just southeast of Mt. St. Helena. 609 Comment
  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
  JEPS120406  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5113 Napa Mt. Veeder Road, 0.2 mi. south of Lokoya Road. Comment
  JEPS122804  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5114 Napa North end of Wall Road. QUAD: Rutherford. Comment
  JEPS122807  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5116 Napa Whitehall Lane at west end of county road. QUAD: Rutherford. Comment
  JEPS122811  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5110 Napa Silverado Trail about 1/4 mile north of Clover Flat Road. QUAD: Calistoga. Comment
  RSA70407  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-3-23 4561 Napa Near Mt. St. Helena. Comment
  UC1389149  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1939-8-27 990 Napa 2 mi e Gordon Valley; Cal (C) Forest 152 Comment
  UC2026414  Arctostaphylos manzanita subsp. manzanita Louis C. Wheeler 1952-8-30 6877 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  UC549555  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 642 Napa Mt. St. Helena Comment
  UC762314  Arctostaphylos manzanita subsp. manzanita R. F. Hoover 1941-4-26 4913 Napa betw. Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  UC909842  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 646 Napa Mt. St. Helena Comment
  CAS-BOT-BC43832  Arctostaphylos stanfordiana H. E. McMinn 1922-6-8 173 Napa Howell Mt. Comment
  CAS-BOT-BC43847  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-23 s.n. Napa La Jota Plateau, Howell Mt., Napa River Basin Comment
  CAS-BOT-BC43850  Arctostaphylos stanfordiana L. R. Abrams 1928-5-4 12269 Napa Near summit, Mt. St. Helena Comment
  CAS-BOT-BC43851  Arctostaphylos stanfordiana Alice Eastwood; John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade Comment
  CAS-BOT-BC43853  Arctostaphylos stanfordiana Alice Eastwood 1918-5-1 6840 Napa Mt. St. Helena Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga Comment
  CAS-BOT-BC43856  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11762 Napa Mt. St. Helena Comment
  CAS-BOT-BC43859  Arctostaphylos stanfordiana Peter H. Raven 1951-8-21 3875 Napa Mt. Veeder 792 Comment
  CAS-BOT-BC43860  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. sw. of Angwin 243 Comment
  CAS-BOT-BC43863  Arctostaphylos stanfordiana Alice Eastwood 1915-6-7 4696 Napa Mt. St. Helena Comment
  CAS-BOT-BC43864  Arctostaphylos stanfordiana Alice Eastwood 1916-3-30 4696 Napa Calistoga Comment
  CAS-BOT-BC43866  Arctostaphylos stanfordiana Alice Eastwood 1922-5-5 11302 Napa Mt. St. Helena Comment
  CAS-BOT-BC43869  Arctostaphylos stanfordiana J. W. Stacey 1922-11-30 s.n. Napa Near Calistoga Comment
  HSC7719  Arctostaphylos stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  JEPS38682  Arctostaphylos stanfordiana Willis L. Jepson 1893-9-23 14716 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  OBI14514  Arctostaphylos stanfordiana H. E. McMinn 1936-4-4 4400 Napa By bridge about 2 mi N of Mt. st. Helena Inn Comment
  OBI14517  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 244 Comment
  UC1281156  Arctostaphylos stanfordiana H. E. McMinn 1936-4-4 4399 Napa by bridge 2 mi n Mt. St. Helena Inn Comment
  RSA602256  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UCD160794  Arctostaphylos viscida Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8674 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
  JEPS38779  Arctostaphylos viscida subsp. viscida W. L. Jepson 1916-8-7 6840 Napa Moore's Creek Howell Mountain Comment
  JEPS32463  Aristolochia californica W. L. Jepson 1939-9-12 19479 Napa York Creek near St. Helena Comment
  SEINET5585704  Aristolochia californica Richard R. Halse 2013-1 8755 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  SFV957  Aristolochia californica H. Dearing, M. Dearing 1940-3-20 4147 Napa Near Napa. Comment
  UCD20914  Aristolochia californica V. (Shorty) Boucher 2002-3-27 5 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  UCD151054  Aristolochia californica P. B. Kaufman 1950-4-28 33 Napa besides Winters-Monticello road, approximately 9.5 miles from Winters near Yolo-Napa county line. Comment
  JEPS104525  Arnica discoidea Jake Ruygt 1978-5-7 293 Napa .5 miles south of Monticello Rd. on road to Wild Horse Valley 414 Comment
  SEINET4343123  Artemisia pycnocephala Leila M. Shultz, John S. Shultz 1987-9-16 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  UCD121245  Asclepias cordifolia James N. Seiber 1984-7-21 s.n. Napa Lake Berryessa, near Monticello Dam. Comment
  JEPS104578  Asclepias eriocarpa Jake Ruygt 1996-7-13 3767 c Napa south of intersection Butts Can. Rd and James Cr. Rd.(Temple) 210 Comment
  JEPS122691  Asclepias solanoana Jake Ruygt 1988-5-29 1480 Napa Sensitive plant canyon. Quad: Knoxville. Comment
  JEPS129152  Asparagus officinalis subsp. officinalis Jake Ruygt 1979-5-23 628 Napa Napa River south of Trancas Street, Napa. Napa 7.5' Quad. Comment
  UCD137319  Aspidotis densa R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  CAS-BOT-BC69616  Aspidotis densa Ira L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake County Line. 853 Comment
  CAS-BOT-BC140643  Asteraceae John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St. Helena Comment
  JEPS48894  Astragalus breweri Elsa Kraeger 1926-3-27 Napa near Geyser (Calistoga, in field); Calistoga, near Geyser Comment
  UC764693  Astragalus breweri R. F. Hoover 1941-4-26 4920 Napa between Walter Springs and Pope Valley; between Walter Springs and Pope Valley Comment
  HSC103541  Astragalus breweri Thomas W. Nelson, Jane Nelson 1981-4-14 6391 Napa Junction of Morgan Valley and Devil's Head Roads. 457 Comment
  CAS-BOT-BC178661  Astragalus claranus John Thomas Howell 1931-4-19 6442 Napa Conn Valley Comment
  JEPS107256  Astragalus claranus Jake Ruygt 1985-3-30 1582 Napa Conn Valley Rd. along L. Hennessey 97 Comment
  JEPS107258  Astragalus claranus Jake Ruygt 1993-4-10 3188 Napa Lewelling Ranch,south of Sulphur Springs Road., St. Helena 109 Comment
  JEPS21030  Astragalus claranus W. L. Jepson 1924-4-6 10323 Napa Conn Valley , Conn Valley (Napa Range) Comment
  JEPS54567  Astragalus clevelandii W. L. Jepson 1897-7-13 13743 Napa Butt's Canyon Comment
  UCD170279  Astragalus clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 813 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  SEINET898796  Astragalus didymocarpus Frank W. Gould 1938-1 98 Napa One mile north-west of Yountville. 152 Comment
  JEPS107250  Astragalus gambelianus Jake Ruygt 1995-4-29 3450 Napa Skyline Park, Sugarloaf Peak Trail. 396 Comment
  JEPS54652  Astragalus gambelianus Willis L. Jepson 1893-5-2 13753 Napa Pope Valley grade from Calistoga (Napa River Basin); , Pope Valley grade from Calistoga Comment
  UCD47978  Astragalus gambelianus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 11 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
Read comments
Jan 14 2009
  JEPS53211  Athysanus pusillus W. L. Jepson 1936-4-5 17416 a Napa Knoxville, ne Napa County Knoxville Comment
  UCD170670  Athysanus pusillus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Off Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 167 Comment
  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
  UCD73412  Athysanus pusillus 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
  UCD148825  Avena fatua Ellen Dean; Diana Hickson 2014-4-29 8130 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 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
  UCD56313  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3539 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CLARK-A1528-1269  Avena sativa John C. Roos 1939-4-16 257 Napa Angwin Comment
  POM350406  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  UCD19330  Baccharis pilularis M. A. Bibbo; E. Dean 2001-7-6 22 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.2 air miles from jct of W and E roads. 312 Comment
  CAS-BOT-BC16526  Barbarea orthoceras Paul F. Covel 1940-4-30 1710 Napa CCC - Las Posadas Camp - near Pacific Union College. Comment
  CAS-BOT-BC16530  Barbarea orthoceras Peter H. Raven 1952-5-26 4053 Napa Howell Mountain (east side). 304 Comment
  CAS-BOT-BC16533  Barbarea orthoceras John Thomas Howell 1931-4-2 6065 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  UCD48663  Barbarea verna Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along S. Decker Canyon Rd., just S of jct with Cut-Off Rd., W side of creek. 167 Comment
  CAS-BOT-BC474765  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve. Hunting Creek between Hunting Creek Campground and contractor road 365 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
  CAS-BOT-BC145816  Beckmannia syzigachne Peter H. Raven 1951-6-24 3028 Napa Brown's Valley to Napa Sonoma Road. 91 Comment
  UCD95912  Berberis aquifolium var. repens Ellen Dean; with Clare Loughran 2011-5-20 7051 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  JEPS110699  Boisduvalia stricta Jake Ruygt 1982-5-26 1300 Napa Craters region near Robert Louis Steve. Sate Park 762 Comment
  CAS-BOT-BC31397  Bolboschoenus robustus Peter H. Raven 1952-8-26 5135 Napa Salt marshes near Bently Wharf. 15 Comment
  JEPS53245  Brassica nigra W. L. Jepson 1894-11-1 59 E Napa Napa, fields to the south Napa Comment
  UCD16049  Brassica nigra C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 26 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb 12-24 m tall, flowers yellow. Comment
  UCD75843  Brassica nigra Jake Ruygt 1989-5-21 2345 Napa Napa, Willis Drive. 15 Comment
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  CAS-BOT-BC36764  Brassica rapa Peter H. Raven 1953-3-29 5210 Napa 2 miles south of Calistoga. 106 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
  UC1300928  Brodiaea elegans subsp. elegans Helen K. Sharsmith 1962-6-3 5110 Napa Napa-Soda Springs road 152 Comment
  CAS-BOT-BC484198  Brodiaea elegans var. elegans Peter H. Raven 1952-5-31 4124 Napa Hills s.w. of Rector Canyon` 152 Comment
  UC657700  Brodiaea leptandra Milo S. Baker 1941-6-30 10158 Napa n road from Silverado Trail, along highway to Howell Mt. Comment
  JEPS123012  Bromus carinatus Jake Ruygt 1997-4-24 3834 Napa Atlas Peak Road about 4 miles north of Monticello Road. Quad: Capell Valley. Comment
  SACT000507  Bromus carinatus John Willoughby 1976-5-18 Napa not far below top, latitude about that of Mount Vaca, with Quercus agrifolia and Pinus sabiniana 609.6 Comment
  UCD57979  Bromus carinatus Beecher Crampton 1956-5-25 3482 Napa Howell Mtns. Above 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
  JEPS123001  Bromus catharticus var. elatus Jake Ruygt 1995-4-8 3417 Napa Silverado Trail at Souza Lane, Napa. Quad: Napa. Comment
  UCD58447  Bromus commutatus Beecher Crampton 1962-5-16 6425 Napa 1 mile E of Aetna Springs. Comment
  JEPS123009  Bromus hordeaceus Jake Ruygt 1977-4-24 195 Napa West of Pope Valley Elementary School on Butts Canyon Road. Quad: Saint Helena. Comment
  JEPS76085  Bromus hordeaceus W. L. Jepson 1938-5-22 18814 Napa Pope Valley, Limekiln Creek Canyon Limekiln Creek Canyon; Pope Valley, Limekiln Creek Canyon Comment
  UC50589  Bromus hordeaceus H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UC60203  Bromus hordeaceus Willis L. Jepson 1893-1 Napa Napa River Basin, Napa Valley Napa Valley; Napa River Basin, Napa Valley Comment
  CDA10881  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10976 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS75643  Bromus laevipes W. L. Jepson 1936-5-31 17567 Napa Napa Range, Howell Mountain Howell Mountain; Napa Range, Howell Mountain Comment
  UC766913  Bromus laevipes R. F. Hoover 1941-5-10 5009 Napa between St. Helena and Calistoga Comment
  UCD58612  Bromus laevipes Jack A. Thiel 1955-5-21 s.n. Napa About 10 miles south of Knoxville. Monticello-Lower lake Road. Comment
  SACT000640  Bromus madritensis John Willoughby 1977-4-20 Napa Below and just to the south of Mount Vaca, chaparral 609.6 Comment
  SACT000578  Bromus mollis John Willoughby 1976-4-12 Napa Near Mount Vaca, in chaparral near top of ridge 609.6 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
  UCD121177  Bromus rubens Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7357 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD159919  Bromus rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.West section. 243 Comment
  UCD59713  Bromus sterilis Beecher Crampton 1964-5-12 6950 Napa 2 miles north of Calistoga, State Hwy. 128, jct. Tubbs Lane. Comment
  CAS-BOT-BC185228  Calamagrostis koelerioides Beecher Crampton 1957-5-16 4045 Napa Above Capell Creek, north end of Capell Valley. Comment
  UCR146407  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Inner North Coast Ranges, 7 miles northeast of city of Napa, summit along State Highway 37 396 Comment
  CAS-BOT-BC233997  Calandrinia breweri John Thomas Howell 1931-4-2 6060 Napa Wooden Valley Grade 5 miles east of Napa Comment
  JEPS112603  Calandrinia breweri Jake Ruygt 1989-4-8 2257 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD18167  Calandrinia ciliata Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UC198936  Calandrinia ciliata C. F. Sonne March, 1884 Napa Napa 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
  UCD148769  Callitriche marginata Jake Ruygt 1996-3-30 3537 Napa Napa County; Jameson Vineyards, South Kelly Road. 54 Comment
  UCD161613  Callitriche marginata Jake Ruygt 2002-3-12 4359 Napa Lewelling Ranch, Sulphur Springs Avenue, St. Helena. 77 Comment
  POM137263  Callitriche verna C. F. Baker 1903-4-19 1998 Napa St. Helena Comment
  CAS-BOT-BC488486  Calochortus amabilis John H. Thomas 1955-5-21 5119 Napa Sarco Creek drainage, near State Highway no. 37, about 6 miles from Napa 274 Comment
  CHSC83372  Calochortus amabilis L. P. Janeway; B. Castro 2002-5-12 7550 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  JEPS121549  Calochortus amabilis Adam C. Schneider with Dick O'Donnell 2013-5-26 199 Napa Southwest side of Chiles Pope Valley Rd., 100 yards southwest of farmhouse and other buildings. Comment
  UCD139482  Calochortus amabilis L. P. Thibault 1995-5-19 40 Napa along Highway 128, ca. 0.5 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD67455  Calochortus amabilis D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 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
  CAS-BOT-BC488483  Calochortus amabilis David D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE, of Napa. 170 Comment
  CAS-BOT-BC488490  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  RSA41934  Calochortus amabilis Ella Dales Cantelow 1939-4-8 3961 Napa Lower Lake Road 10 3/10 mi W of jct Pope Creek Rd. Comment
  SEINET12049813  Calochortus amabilis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -309 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UCD139474  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa north side of Putah Canyon. Comment
  UCD14304  Calochortus amabilis Todd Jones 1983-5-1 14 Napa Highway 128, ca. 1.9 miles north of Moscowite Corners, 15.6 miles beyond Monticello Dam. Comment
  UCD39242  Calochortus luteus B. Crampton 1971-5-19 8713 Napa South of Wooden Valley. Napa and Solano County border. Comment
  UCD139578  Calochortus superbus L. P. Thibault 1995-6-2 64 Napa East side of Lower Chiles Valley Road, 0.5 mile northwest of Highway 128. 300 Comment
  CAS-BOT-BC132622  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa Geysers just NW. of Calistoga, northwestern Napa County 110 Comment
  CAS-BOT-BC132624  Calochortus uniflorus John Thomas Howell 1926-3-27 1757 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS17769  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley 91 Comment
  JEPS17795  Calochortus uniflorus Willis L. Jepson 1893-5-2 Napa Calistoga Napa River Basin Comment
  UC1876225  Calycadenia fremontii Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Rd., 11.3 mi SW of Berryessa-Knoxville Rd. Via Devilhead Rd. Comment
  UCD161587  Calycadenia micrantha Jake Ruygt 2008-5-10 5328 Napa Buzzard's Roost, east of Stags Leap, Napa Range. (Coordinates converted from UTM data by label maker.) 480 Comment
  CAS-BOT-BC270616  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  CAS-BOT-BC270613  Calycadenia multiglandulosa David D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  POM30958  Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  CAS-BOT-BC270829  Calycadenia pauciflora Gerald D. Carr 1972-8-21 729 Napa 3.0 miles NE of Chiles and Pope Valley Road on Pope Canyon Road 182 Comment
  CAS-BOT-BC270833  Calycadenia pauciflora John Thomas Howell 1929-8-4 4364 Napa 1 mile below Samuels Springs, Pope Creek Canon [Pope Creek Canyon], Napa Range Comment
  RSA255614  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles SE of Lake Co. line on Morgan Valley Road, 125 yards north of [?]. Comment
  UC1876240  Calycadenia pauciflora Gerald D. Carr 1972-8-9 726 Napa Mysterious Creek Rd., 10.0 mi SW of Berryessa-Knoxville Rd. Via Devilhead Rd. Comment
  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
  CDA11827  Calycadenia truncata G. F. Hrusa 1993-10-2 11423 Napa North Coast Biodiversity Arena; Top of Sharpe Rd. , 1 m. W of Calistoga. Comment
  CAS-BOT-BC271551  Calycadenia truncata subsp. truncata C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC271600  Calycadenia truncata subsp. truncata Edward Lee Greene 1881-7-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC271555  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC271560  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271567  Calycadenia truncata subsp. truncata John Thomas Howell 1929-10-26 4533 Napa 1/2 mile north of Yountville Comment
  JEPS40305  Calycanthus occidentalis W. L. Jepson 1899-6-1 Napa Vaca Mts. Comment
  JEPS40309  Calycanthus occidentalis W. L. Jepson 1894-10-19 Napa sw of Calistoga (Rebecca Ranch Grade); Napa Valley Comment
  JEPS46420  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  SFV5086  Calycanthus occidentalis B. C. Templeton 1957-6-26 s. n. Napa About 1.1 miles east of Calistoga. Comment
  UC126481  Calycanthus occidentalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7133 Napa Alta Loma Ranch; Howell Mountain 487 Comment
  UCD137901  Calycanthus occidentalis Andrew T. Leiser 1965-6-1 s.n. Napa Napa Mountains. Comment
  UCD137908  Calycanthus occidentalis H. Popenoe 1949-6-5 35 Napa Putah Canyon west of Winters, at Napa-Yolo County line. Comment
  UCD151050  Calycanthus occidentalis R. H. Miller 1949-5-8 49 Napa along Highway 37, about 13 miles northeast of Napa. Comment
  UCD170556  Calycanthus occidentalis D. O. Burge 2017-8-19 2284 Napa Lake Hennessey area, roadside on California State Route 128. 67 Comment
  UCR44917  Calycanthus occidentalis 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
  UCR74386  Calycanthus occidentalis G. Fred Hrusa 1988-5-12 5601 Napa North Coast Range, Pope Creek, c. 2 mi east of jct of Pope Valley Rd. and Chiles Valley Rd. 244 Comment
  UCSB12599  Calycanthus occidentalis Haller, John 1961-6-18 Napa Bank of Napa River intersection of St. Helena-Angwin road with Silverado Trail Road, about 1.5 mi. N of St. Helena 76 Comment
  JEPS100378  Calyptridium quadripetalum Dean W. Taylor 2001-5-15 17657 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC545814  Calyptridium quadripetalum Herbert L. Mason 1935-5-30 10010 Napa 4 mi n of Knoxville (on the Monticello-Lower Lake Road) Comment
  UCD14591  Calystegia occidentalis subsp. occidentalis Dean R. Donalson 1984-6-1 s.n. Napa California, Napa Co.; city of Napa Comment
  UCD70455  Calystegia purpurata P. J. Plummer 1995-5-27 s.n. Napa East facing hillside 25 m off hwy 128. 335 Comment
  UCD159937  Calystegia purpurata subsp. purpurata Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC224342  Calystegia subacaulis subsp. subacaulis Rimo Bacigalupi 1928-6-20 1859 Napa Howell Mt 10 miles west of St Helena Comment
  JEPS106399  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1987-5-27 2015 Napa Buchli Station, D.F.G. Huichica property 3 Comment
  JEPS61539  Camassia quamash subsp. quamash Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  RSA186745  Camissonia hirtella Peter H. Raven 1965-5-15 20206 Napa Nevada Creek, 5 miles SSE of Knoxville 335 Comment
  UCD32903  Camissoniopsis hirtella Beecher Crampton 1965-6-30 7395 Napa Solano-Napa Counties: Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD66823  Campanula griffinii P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD75839  Campanula griffinii Jake Ruygt 1996-5-14 3691 Napa White Cliff Springs, Elder Valley, Sabini property. 384 Comment
  UCD114140  Capsella bursa-pastoris David Lawfer 1952-3-11 107 Napa Napa. Comment
  CAS-BOT-BC37591  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa Mayacama Mountains. Crater Region. 4 miles north of Calistoga. 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
  UCD117927  Cardamine californica Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of the fire station along undeveloped road. 519 Comment
  JEPS106836  Cardamine californica var. integrifolia Jake Ruygt 1982-2-16 1099 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  POM369327  Cardamine californica var. integrifolia Dr H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. Comment
  RSA369339  Cardamine tenella Dr H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  CDA6880  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 Napa State Highway 53 to Middletown, 2.5 miles north of Calistoga. 0 Comment
  UCD35854  Carduus pycnocephalus Beecher Crampton 1965-5-13 7337 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  UCD41463  Carduus pycnocephalus Ellen Dean; Deborah Canington 2003-3-1 1360 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. By university gate at sign-in post. 390 Comment
  UCD48566  Carduus pycnocephalus S. Murphy; K. Keck and K. Dyer 2002-5-5 4 Napa Quail Ridge UC Reserve, northern tip of ridge, 1.5 m from N edge of stock pond. 328 Comment
  SBBG14800  Carduus pycnocephalus subsp. pycnocephalus P. H. Raven 1962-5-31 17922 Napa ca. 3.8 mi N of jct of St Hwy 37 with rd to Fairfield Comment
  CDA37916  Carex barbarae D. G. Kelch 2010-5-6 10 .165 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS121331  Carex barbarae Jake Ruygt 1980-4-6 826 Napa Yount Street, Yountville Comment
  UC1115810  Carex densa Joseph P. Tracy 1938-6-5 15836 Napa 5 mi E of Angwins (Howell Mountain, hills at head of Moores Creek) 457 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
  JEPS121350  Carex dudleyi Jake Ruygt 2006-4-15 4980 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  CAS-BOT-BC19983  Carex feta Peter H. Raven 1952-5-26 4043 Napa Howell Mountain. 548 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
  UC1023488  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa e Napa; Sarco Creek 60 Comment
  CAS-BOT-BC119512  Carex nudata Ella D. Cantelow 1939-4-8 2501 Napa 3.5 mi NW of Knoxville. 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
  CHSC83353  Carex praegracilis L. P. Janeway; B. Castro 2002-5-12 7530 Napa Inner North Coast Ranges. Small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD161695  Carex praegracilis Jake Ruygt 2010-4-19 5511 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  UCD161703  Carex praegracilis Jake Ruygt 2010-5-15 5554 -b Napa Butts Creek, Missimer / Snell Valley Preserve. 185 Comment
  HSC88218  Carex serratodens Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2345 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  UCD161699  Carex subbracteata Jake Ruygt 2010-5-20 5572 Napa North Whitehall Lane at the first slope encountered traveling west. 70 Comment
  JEPS100376  Carex subfusca Dean W. Taylor 2001-5-15 17650 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS129076  Carex tumulicola Jake Ruygt 2016-4-12 6185 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD161757  Carex tumulicola Jake Ruygt 1997-4-8 3826 Napa Napa Valley: east end of Taplin Road, Heitz Cellars. 103 Comment
  SEINET13331028 Image available Carthamus lanatus T. C. Fuller 1961-6-15 6337 Napa Scattered patches in dry pasture F.J. Tamangi property, W. of Silverado Trail, 0.5 mi. N. of Larkmead Lane, 2 mi. SE of Calistoga Comment
  UCD149566  Carya illinoinensis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC248977  Castilleja John Thomas Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range Comment
  JEPS110636  Castilleja affinis subsp. affinis Jake Ruygt 2001-3-31 4303 Napa ridge between Newell and American Canyon; Newell Open Space 198 Comment
  UC1281079  Castilleja affinis subsp. affinis H. E. McMinn 1923-5-25 959 Napa between Rockville and Wooden Valley; Suisun Creek Comment
  JEPS17072  Castilleja affinis subsp. affinis Rimo Bacigalupi with John Dawson 1955-4-25 4843 Napa about 0.75 mi w (below) Hennessey Lake Dam (along Conn Creek road) 79 Comment
  JEPS88824  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-6-23 7833 Napa 1.3 mi sw Highway 121 junction with Wooden Valley Road (on Highway 121) Comment
  UC457174  Castilleja affinis subsp. affinis David D. Keck 1931-4-2 1042 Napa 10 mi from Napa (between Wooden Valley and Monticello, e base of Napa Range); Napa Range Comment
  SEINET10702279 Image available Castilleja ambigua A. Arthur Heller 1902-5-24 Heller 5601 Napa Near Napa. Comment
  JEPS110630  Castilleja ambigua subsp. ambigua Jake Ruygt 1980-6-1 909 Napa Milton Rd. across from yacht club 0 Comment
  JEPS3803  Castilleja applegatei subsp. martinii W. L. Jepson 1894-7-19 Napa near Molly Patton's (Toll House) at summit (old grade over Mt. St. Helena); Mt. St. Helena 731 Comment
  JEPS62590  Castilleja applegatei subsp. martinii T. I. Chuang with Fei-Mei Chuang 1970-7-25 6832 Napa 4.8 mi s Napa-Lake County line (on Highway 29) Comment
  SEINET13732897  Castilleja applegatei subsp. pinetorum R. R. Halse 2013-3-27 8753 Napa S end of Lake Berryessa, along State Hwy 128, ca 8.7 miles W of Winters, just W of Monticello Dam. 143 Comment
  UCD148788  Castilleja attenuata Ellen Dean; Diana Hickson 2014-4-29 8096 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UC1237998  Castilleja attenuata John Weiler 1961-4-24 61103 Napa 2.6 mi s Napa State Hospital (on w side of Highway 12) Comment
  JEPS110668  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-3-31 253 Napa Suscol hill west of HWY 29 (221) 9 Comment
  JEPS9411  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 3 Napa Napa, hills sw Napa Comment
  UC1301193  Castilleja densiflora subsp. densiflora Helen K. Sharsmith 1963-4-20 5331 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  UCD122442  Castilleja exserta P. B. Kaufman 1950-4-7 27 Napa Putah Canyon. Comment
  JEPS85018  Castilleja exserta subsp. exserta Larry Heckard and Mary Ashton 1969-5-3 2226 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the meadow) 510 Comment
  HSC72429  Castilleja foliolosa J. P. Smith, J. O. Sawyer 1970-5-17 3780 Napa 8 mi. N of Pope Valley Comment
  UC1537568  Castilleja foliolosa Gordon H. True Jr. 1937-6-21 730 Napa Mt. George 304 Comment
  JEPS86591  Castilleja minor subsp. spiralis L. R. Heckard with Jake Ruygt 1987-5-10 6659 Napa ca 0.25 mi ne Quarry (ne of Vallejo); American Canyon Ridge Comment
  SEINET7075541  Castilleja rubicundula 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
  CDA41394  Castilleja rubicundula A. C. Browne 1953-5-27 s.n. Napa Calistoga. 0 Comment
  JEPS11160  Castilleja rubicundula subsp. lithospermoides Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  JEPS10645  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1887 Napa Comment
  CDA11901  Ceanothus cuneatus G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 A Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  POM204011  Ceanothus cuneatus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC49785  Ceanothus divergens John Thomas Howell 1941-4-5 16162 Napa Franz Valley Comment
  CAS-BOT-BC49800  Ceanothus divergens Walter Knight; Cliff Schmidt 1987-2-27 6058 Napa Korturn Canyon Road 274 Comment
  CAS-BOT-BC49801  Ceanothus divergens Carl B. Wolf 1928-5-4 1853 Napa Mt. St. Helena Comment
  CAS-BOT-BC49803  Ceanothus divergens Brandegee 1889-6-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC49804  Ceanothus divergens H. E. McMinn 1926-1-2 1627 Napa Along trail up Mt. St. Helena Comment
  CAS-BOT-BC49806  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi. south of Calistoga Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64433  Ceanothus divergens H. E. McMinn 1941-10-12 5420 Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64434  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64439  Ceanothus divergens John Thomas Howell 1926-3-21 1705 Napa Trail to top of Mt. St. Helena. Comment
  JEPS42261 Image available Ceanothus divergens W. L. Jepson 1897-5-2 14037 Napa Rebecca Ranch Grade, Upper Napa Valley. Near Calistoga, i.e. westerly = Hoods Peak Range Comment
  OBI10254  Ceanothus divergens Milo S. Baker 1941-6-30 10159 Napa Along hwy to Howell Mt N road from Silverado Trl Comment
  POM136487  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  RSA32476  Ceanothus divergens Milo S. Baker 1939-02 s.n. Napa 1.5 miles west of Napa-Calistoga Hwy at a point 3/4 mile south of Connor Ranch Comment
  UCD63040  Ceanothus divergens Ellen Dean; Stephen Rae 2008-5-21 4980 Napa Hills to the W of Hwy 29 south of the town of Calistoga. Private property accessed by Diamond Mountain Rd. Canyon running east to west and slopes above it. 244 Comment
  RSA399074  Ceanothus foliosus Bonnie C. Templeton 1957-6-27 s.n. Napa 4 miles up trinity road near the junction to Oakville Comment
  UC18323  Ceanothus foliosus Edw. L. Greene 1892-4-23 Napa Mt. St. Helena Comment
  UC870558  Ceanothus foliosus Alice Eastwood and John Thomas Howell 1939-6-11 7430 Napa hills to w Calistoga Comment
  UC903052  Ceanothus foliosus Ethel Crum 1937-4-19 1779 Napa 6 mi n Napa; Mt. George, Napa Range 304 Comment
  CAS-BOT-BC50917  Ceanothus foliosus var. foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi. sw. of Angwin 243 Comment
  CAS-BOT-BC50925  Ceanothus foliosus var. foliosus H. E. McMinn 1923-5-25 962 A Napa Summit Wooden Valley Grade Comment
  SBBG4190  Ceanothus foliosus var. foliosus E. R. Blakley 1956-12-23 2014 Napa trail to Linda Falls, Angwin 426 Comment
  CAS-BOT-BC63748  Ceanothus incanus John Thomas Howell 1934-3-26 11798 Napa Mt. St. Helena near Mountain Mill Hotel. Comment
  JEPS110716  Ceanothus integerrimus Jake Ruygt 1998-6-6 4015 Napa Devilshead Road near ranch. 463 Comment
  UCD162743  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1627 Napa Pope Canyon, S bank of Pope Creek. 644 Comment
Read comments
Dec 8 2016
  UCD169650  Ceanothus integerrimus Jake Ruygt 2015-6-20 6142 Napa Butts Canyon Road south of Snell Valley Road. 211 Comment
  UCD169649  Ceanothus integerrimus Jake Ruygt 2012-5-19 5840 -B Napa Crystal Flats, west of Putah Creek. 121 Comment
  CAS-BOT-BC50632  Ceanothus jepsonii H. E. McMinn 1922-8-1 385 Napa Near Middleton Comment
  UCD112060  Ceanothus jepsonii Roman Gankin 1966-2-26 678 Napa Next to roadway at gate; property west of Macdonald Ranch, Las Posadas State Forest. Comment
  UCD112064  Ceanothus jepsonii Mrs. L. Rowntree 1930-7-15 s.n. Napa Sage Canyon. Comment
  UCD144307  Ceanothus jepsonii G. F. Hrusa 1995-4-2 12049 Napa Along Hwy 128 approx. 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W. of Nichellini Winery. 250 Comment
  UCR136728  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Coast Range, Sage Canyon 305 Comment
Read comments
Nov 27 2007
  CDA11339  Ceanothus jepsonii var. albiflorus G. F. Hrusa 1995-4-2 12049 Napa North Coast Biodiversity Arena; along Hwy 128 approx 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W of Nichellini Winery. Comment
  SDSU10322  Ceanothus jepsonii var. albiflorus Claire Schneider, Gary Waayers 1993-4-10 10 IV93E Napa Located off of State Hwy 128 at mile marker 15.35. Comment
  UC1070780  Ceanothus jepsonii var. albiflorus A. Lewis May 1932 105 Napa Head Sarco Creek 396 Comment
  UCD149665  Ceanothus oliganthus 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
  CAS-BOT-BC51559  Ceanothus oliganthus var. sorediatus M. S. Jussel 1932-4-10 s.n. Napa St. helena, 10 miles N.E. Cliff Spring Comment
  CAS-BOT-BC51561  Ceanothus oliganthus var. sorediatus Willis L. Jepson 1928-4-1 s.n. Napa Wooden Valley grade, Napa River Basin Comment
  CAS-BOT-BC51564  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-25 974 a Napa Between Wooden Valley and Monticello Comment
  UCD67893  Ceanothus oliganthus var. sorediatus F. Takeda 1977-4-16 21 Napa 4.5 mi. SW of Monticello Dam, along Hwy 128, 15 yards off Hwy. 128. Growing on north-facing slope in chaparral. Tree 4 m tall with gray bark, light purple petals, and small flowers. 152 Comment
  CAS-BOT-BC53218  Ceanothus parryi Peter H. Raven 1953-5-2 5415 Napa Soda Creek Canyon ca. 2 miles below Foss Valley 335 Comment
  LA43650  Ceanothus parryi Joseph Andorfer Ewan; 1937-5-23 10329 Napa Mt. St. Helena, Mt. St. Helena summit trail, near Stevenson Tablet Comment
  UC79860  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC931951  Ceanothus parryi Verne and Alva Grant 1946-5-26 7633 Napa southeast slope of Mt. St. Helena 1066 Comment
  UCD112501  Ceanothus parryi Ray Prag 1970-6-9 s.n. Napa Highway 121, 2.2 miles south of junction with Wooden Valley Road. Comment
  JEPS48864  Ceanothus prostratus Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  CAS-BOT-BC83728  Ceanothus purpureus D. O. Burge 2007-5-4 904 b Napa Wooden Grade, NE of Mount George 360 Comment
  CDA29149  Ceanothus purpureus D. G. Kelch, Daniel Weinstein 2008-10-12 8 .308 Napa Nr Skyline Park. Comment
  JEPS110727  Ceanothus purpureus Jake Ruygt 1995-3-29 3412 Napa about 2 mi S of Sage Canyon Road across from boat ramp 457 Comment
  RSA202156  Ceanothus purpureus W. L. Jepson 1924-4-27 10321 Napa Howell Mt., a little below Toland House on Sanitarium road. 549 Comment
  POM202749  Ceanothus ramulosus I. L. Wiggins 1932-3-12 5766 Napa Hillside between Calistoga and Franz Valley. Comment
  SEINET13946085 Image available Ceanothus sorediatus Lewis S. Rose 1955-1 55043 Napa Conn Lake 5 mi E pf Rutherford. Alt. 500 ft. 152 Comment
  CAS-BOT-BC52891  Ceanothus velutinus Milo S. Baker 1926-4-10 202 Napa Mt. St. Helena 822 Comment
  CAS-BOT-BC52894  Ceanothus velutinus H. E. McMinn 1922-3-27 58 Napa Mt. St. Helena Comment
  UC1543130  Centaurea calcitrapa Donald G. Nelson 1940-8-7 699 Napa Highway from Napa to Wooden Valley Napa (n slope of George Mountain, along Sarco Creek); George Mountain, Sarco Creek 152 Comment
  UCR25296  Centaurea calcitrapa John C. Roos 1957-6-28 6616 Napa Napa Comment
  UCD130000  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort, Lake Berryessa. Comment
  CAS-BOT-BC272112  Centaurea cyanus Peter H. Raven 1951-6-26 3051 Napa Wooden Valley Grade 121 Comment
  JEPS44140  Centaurea solstitialis W. L. Jepson 1937-9-29 18572 Napa St. Helena (on road to sanitarium) St. Helena Comment
  JEPS106529  Centaurium trichanthum Jake Ruygt 1982-7-18 1370 Napa Cedar Roughs near Guilliam Springs 231 Comment
  JEPS46944  Centaurium trichanthum W. L. Jepson 1916-8-6 6836 Napa Howell Mt. Comment
  JEPS46940  Centaurium trichanthum W. L. Jepson 1930-10-19 15699 Napa Butts Canyon, ne Napa Co Butts Canyon Comment
  UC1034623  Centromadia fitchii Milo S. Baker 1932-5-8 5903 Napa near School House; Mill Creek Canyon Comment
  UCD63163  Centromadia fitchii Jake Ruygt 1981-7-23 1077 Napa Tully Canyon. 158 Comment
  CAS-BOT-BC272832  Centromadia parryi subsp. parryi C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  UC89053  Centromadia parryi subsp. parryi T. S. Brandegee 1892-8-1 Napa Calistoga Comment
  JEPS106653  Centromadia pungens subsp. pungens Jake Ruygt 1996-10-19 3794 Napa Vine Village, corner of Congress Valley Rd and Oln Sonoma Rd 45 Comment
  JEPS106731  Cerastium glomeratum Jake Ruygt 1982-3-2 1110 Napa north of HWY 12 near Huichica Creek 128 Comment
  UCD105654  Cercis occidentalis D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 330 Comment
  CAS-BOT-BC135485  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-7-2 5758 Napa Near St. Helena Sanitarium Comment
  UC26097  Cestrum parqui unknown 1893-1 Napa Napa City Comment
  CAS-BOT-BC284574  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-20 2852 Napa Hills W. Oakville 548 Comment
  HSC43957  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-19 688 Napa Along drainage running NE from Adams Creek. Comment
  JEPS129078  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 2016-4-5 6179 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC90157  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Pacific Coast, Knoxville Comment
  UCD41324  Chaenactis glabriuscula var. heterocarpha Ellen Dean; T. and M. Starbuck 2004-4-3 2000 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  CAS-BOT-BC284569  Chaenactis glabriuscula var. heterocarpha David D. Keck 1933-5-29 2348 Napa Pope Creek Bridge south of Walters Springs, Pope Creek Canyon Comment
  UC1537004  Chamaesyce serpyllifolia Gordon H. True 1937-7-30 826 Napa near Aetna Springs 365 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
  UCD20504  Cheilanthes intertexta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1075 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  JEPS126100  Chenopodium album Jake Ruygt 1986-7-12 1870 Napa East bank of Napa River just east of confluence Tulocay Creek. Napa 7.5' Qua. Comment
  JEPS59710  Chenopodium ambrosioides W. L. Jepson 1894-11-7 Napa St. Helena Comment
  CHSC103010  Chenopodium ambrosioides var. ambrosioides Lowell Ahart 2009-10-12 16436 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
  UCD161537  Chenopodium berlandieri Jake Ruygt 1991-8-24 2834 Napa Napa River at Bale Lane. 80 Comment
  POM215110  Chenopodium macrospermum var. farinosum J. T. Howell 1932-10-8 10801 Napa Tidal flat on Napa River at Cuttings Wharf. Comment
  JEPS115759  Chenopodium 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 Winte 130 Comment
  UCD14532  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yards inside gate, next to road; Comment
  UCD81812  Chorizanthe membranacea Ellen Dean 2009-4-24 5439 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD99749  Chorizanthe membranacea K. Esau; E. Hyde 1938-5-5 s.n. Napa Napa County. Comment
  CAS-BOT-BC252840  Chorizanthe polygonoides var. polygonoides Catherine Best 1980-4-12 s.n. Napa Rocky area on Stage Coach Canyon Road about 3 1/2 miles NW of Waller's Springs Comment
  LA36522  Chorizanthe polygonoides var. polygonoides J. M. Tucker; 1965-5-15 3827 Napa E side of Devilhead Rd, Cedar Valley, ca mi (airline) S, and a little W, of Knoxville 655 Comment
  UCD159451  Cichorium intybus D. S. Park 2010-8-5 207 -2 Napa East of Lake Hennessey. Rt. 128, Sage Canyon Rd. Disturbed, roadside. 102 Comment
  JEPS100844  Cirsium cymosum var. cymosum Dean Wm. Taylor with Mey Akasah 1999-6-3 17222 Napa E of Devilhead road Ridge between Eticuera Creek and Zim Zam Creek; Eticuera Creek, Zim Zam Creek 594 Comment
  JEPS59306  Cirsium cymosum var. cymosum W. L. Jepson 1938-6-8 18885 Napa w of Pope Valley; South Fork of Butts Creek Comment
  UC1745943  Cirsium cymosum var. cymosum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2782 Napa Headwaters of Moore Creek, Las Posadas State Forest. 3-4 mi. E of Angwin. 518 Comment
  CDA1307  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2255 Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  RSA31218  Cirsium occidentale var. venustum Joseph A. Ewan 1934-4-30 8847 Napa 5 miles south of Monticello on Steel Canyon Road. Comment
  CDA1556  Cirsium remotifolium var. odontolepis H. Stabo 1975-6-12 s.n. Napa St.Helena; 4001 Spring Mountain Rd.; (County line, Sec. 30 is in Sonoma Co.). 0 Comment
  JEPS126096  Cistus incanus Jake Ruygt 1979-5-20 625 Napa 0.2 miles north of Glass Mountain Road on Silverado Trail. Saint Helena 7.5' Qua. Comment
  UC1299420  Clarkia amoena Freed W. Hoffman 1947-6-18 1649 Napa Pope Valley road North Coast Ranges Comment
  CAS-BOT-BC160919  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1939-6-11 7421 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC32902  Clarkia breweri Dr. A. W. Saxe 1872-1-1 s.n. Napa Near the Geysers Comment
Read comments
Apr 3 2019
  UCD104417  Clarkia concinna Vincent Chang 1966-5-7 26 Napa 13.8 miles NE of Rutherford on State Highway 128. 152 Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa Valley Comment
  UCD104422  Clarkia concinna M. Ensign 1943-5-28 312 Napa 12 miles N of Monticello on road to Lower Lake. Comment
  UCD104446  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128, ca. 2 miles E of Lower Chiles Valley Road. 300 Comment
  CHSC83403  Clarkia gracilis subsp. gracilis L. P. Janeway; B. Castro 2002-5-12 7537 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  CAS-BOT-BC163826  Clarkia purpurea subsp. quadrivulnera Rimo Bacigalupi 1928-6-20 1857 Napa Howell Mt. 10 miles west of St. Helena Comment
  UCD167275  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1991-6-1 2706 b Napa Campbell Flat, Mount St. John. 310 Comment
  JEPS110691  Clarkia unguiculata Jake Ruygt 1989-5-7 2302 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UC1198512  Clarkia unguiculata J. P. Tracy 1899-6-26 357 1/2 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD18489  Clarkia unguiculata P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  RSA292921  Clarkia unguiculata Reino Alava 1957-5-30 979 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  CHSC11355  Claytonia exigua subsp. exigua Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS43313  Claytonia exigua subsp. exigua Willis L. Jepson 1893-4-29 Napa St. Helena Reservoir; Napa River Basin Comment
  JEPS43271  Claytonia gypsophiloides W. L. Jepson 1897-5-2 Napa near Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  RSA465247  Claytonia gypsophiloides Alice Eastwood 1918-5-1 6819 Napa Mt. St. Helena. Old crater in sand. Comment
  HSC17749  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi. from Mt. St. Helena Inn Comment
  UCD100506  Claytonia gypsophiloides J. M. Tucker 1953-3-26 2637 Napa slope overlooking Highway 29, Mount Saint Helena, 5.2 miles (by road) north of 'city limit' sign on north side of Calistoga. Comment
  UCD100700  Claytonia parviflora subsp. parviflora G. L. Webster 1967-3-23 7497 Napa c. 1 mi S of Spanish Flat. 167 Comment
  UCD117465  Claytonia parviflora subsp. parviflora Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UCD49142  Claytonia parviflora subsp. parviflora S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  UCR212302  Claytonia parviflora subsp. parviflora 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
  UCD100748  Claytonia perfoliata M. Ramos 1996-4-20 6 Napa city of Calistoga, along side of road next to dried river bed. 137 Comment
  UCD15052  Claytonia perfoliata F. Takeda 1977-4-24 41 Napa Scagg Canyon, along Highway 128, 6.4 miles southwest of Monticello Dam. 182 Comment
  UCD15055  Claytonia perfoliata Craig Homan 1977-4-8 5 Napa California, Napa Co.; along Highway 128, 17 miles southwest of Winters; Comment
  CAS-BOT-BC439941  Claytonia perfoliata subsp. mexicana Peter H. Raven 1954-2-22 6405 Napa Orchard at west end of Saint Helena 60 Comment
  JEPS77938  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1794 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UC198905  Claytonia perfoliata subsp. perfoliata C. F. Sonne Mar 1884 Napa Napa Valley Comment
  UC9066  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's ?> Cabin Napa R. Basin Comment
  UCD67948  Clematis lasiantha A. Bennett 1977-4-17 13 Napa Hwy. 128, 4.6 mi. w. of Monticello Dam. Growing on N. side of road in mixed chaparral. Liana on scrub oak. Extensive with last year's growth woody. Yellow flowers. 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
  JEPS60568  Clematis ligusticifolia W. L. Jepson 1936-7-6 17651 Napa Napa Range, Sage Canyon Comment
  UC917146  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11 1/2 mi. from Winters (on rd. to Monticello) Comment
  UCD123575  Collinsia heterophylla Kamala Crompton 1996-5-12 12 Napa next to Berryessa-Knoxville Road, 1 mile of Quarry Canyon. 120 Comment
  UC192735  Collinsia heterophylla C. F. Sonne Apr 1897 Napa near Napa City Comment
  UCD14916  Collinsia heterophylla Helen West 1977-4-29 4 Napa East Bull Canyon, 6.3 miles southwest of Monticello Dam off of Road 128; 182 Comment
  UCD123661  Collinsia sparsiflora Jon Weil 1961-3-18 s.n. Napa State Highway 128, between Lake Berryessa and Rutherford. Comment
  CAS-BOT-BC474520  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena: Franz Valley School Rd, approx. 1 mi E of Napa/Sonoma Co. line 200 Comment
  CDA11336  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena; Franz Valley School Rd. approx 1 m E of Napa/Sonoma County line. Comment
  CHSC10676  Collinsia sparsiflora var. arvensis Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 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
  UC608238  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 Comment
  JEPS6320  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-26 21330 Napa Yountville; Napa River Basin Comment
  POM15100  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Calistoga. Comment
  UC672472  Collinsia sparsiflora var. arvensis A. E. Borell 1928-4-13 118 Napa 10 mi sw Calistoga Comment
  UCR17490  Collinsia sparsiflora var. collina E. Turula 1975-3-29 71 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  UC147868  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1902-5-17 1517 Napa 3-4 mi e Angwin (head of Moore's Creek); Howell Mtn, Moore's Creek 365 Comment
  UCD123676  Collinsia sparsiflora var. sparsiflora G. F. Hrusa 1995-4-2 12046 Napa Franz Valley School Road, approximately 1 mile east of Napa/Sonoma county line. 200 Comment
  JEPS25047  Collinsia tinctoria J. P. Tracy 1899-7-3 363 Napa 3-4 mi e Anqwin's (head of Moore's Creek, Howell Mtn); Howell Mtn, head of Moore's Creek 518 Comment
  JEPS112561  Collomia diversifolia Jake Ruygt 1998-4-22 3932 b Napa Turner Mtn. about .6 mile from intersection Cement Cr Rd/Myster.V 475 Comment
  CLARK-A1528-3461  Collomia heterophylla John C. Roos 1939-4-26 260 Napa Angwin Comment
  UCD127310  Conium maculatum Mannix Mendoza Date unknown 15 Napa Roadside Hwy. 128, around 1/4 mile south of Lake Berryessa. Comment
  JEPS120446  Corallorhiza maculata Jake Ruygt 1986-4-12 1686 Napa North end of Redwood Rd. near Hogback Mountain. Comment
  JEPS75689  Cordylanthus mollis subsp. mollis Craig D. Thomsen 1976-7-27 Napa between Fagen Slough and Steamboat Slough; Napa River, Napa Marsh Comment
  RSA128655  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1951-8-21 3864 Napa Ridge s.e. of Mt. Veeder. 671 Comment
  UC127118  Cordylanthus pilosus subsp. pilosus Harley P. Chandler Sep 7 1906-Sep 14 1906 7116 Napa Howell Mt; Alta Loma Ranch 487 Comment
  JEPS6801  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1944-7-30 27539 Napa Four Corners Napa Range, Howell Mountain 426 Comment
  JEPS7001 Image available Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-9 4750 Napa grade over shoulder Mt. St. Helena (road from Calistoga to Middletown, near Hanley's Resort) Comment
  RSA516551  Cordylanthus pilosus subsp. pilosus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-9 4750 Napa Grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort. 511 Comment
  JEPS112550  Cordylanthus pringlei Jake Ruygt 1969-12-31 3779 Napa HWY 29, .15 mile fron Lake County line. 463 Comment
  JEPS62605  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-8-25 6842 Napa just s Napa and Lake County line (on US Hwy 29) Comment
  JEPS6645  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa e side Mt. St. Helena Comment
  OBI9573  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa E side of Mt. St. Helena, about 1/2 mi S of lake co. line Comment
  SBBG100049  Cordylanthus pringlei T. I. and F. M. Chuang 1970-7-25 6931 Napa 0.9 mi N of Lake County line on US Hwy 29 Comment
  CDA30783  Cordylanthus tenuis subsp. brunneus V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS60259  Cordylanthus tenuis subsp. brunneus L. R. Heckard 1969-7-13 2330 Napa n side Mt. St. Helena (along US Hwy 29 at Lake Co. line) Comment
  JEPS69351  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  JEPS50114  Cornus glabrata W. L. Jepson 1893-9-21 14149 Napa Wooden Valley Comment
  RSA397705  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon. 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
  UCSB19154  Cornus nuttallii Rankine, Jane 1965-4-13 Napa 4 miles east of Pope Valley; on the road between Pope Valley and Anqwin Comment
  JEPS126115  Corylus cornuta subsp. californica Jake Ruygt 1987-5-16 1992 b Napa Bismark Knob. Sonoma 7.5' Qua. Comment
  UCD110076  Corylus cornuta subsp. californica Baki Kasapligil 1964-4-11 3458 Napa Angwin 7 miles east of St. Helena, Howell Mt. Ca. 1700 along creek. Comment
  UCSB27481  Corylus cornuta subsp. californica Havlik, Neil 1969-6-29 Napa Along State Highway 29, on the northeast slope of Mount St. Helena, about 2 miles south fo the Napa-Lake County Line Comment
  JEPS110659  Cotoneaster pannosus Jake Ruygt 2005-6-12 4920 Napa Monticello Road, 0.9 mi E of Atlas Peak Road 79 Comment
  JEPS129154  Cotula coronopifolia Jake Ruygt 1978-3-31 256 Napa 2.5 miles west of Highway 29 on Green Island Road. Cuttings Wharf 7.5' Quad. Comment
  UC1198823  Crassula aquatica Joseph P. Tracy 1902-5-21 1609 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 518 Comment
  CAS-BOT-BC427681  Crassula connata John Thomas Howell 1926-3-27 1755 Napa Soscol Comment
  JEPS110660  Crataegus monogyna Jake Ruygt 1995-4-24 3447 Napa Mt. Veeder Road south of Lakoya Road, (Franciscan Estate) 262 Comment
  UCD116514  Crocanthemum scoparium Beecher Crampton 1956-5-25 3480 Napa Howell Mountains, above southwest corner of Wooden Valley. Comment
  UCD73849  Crocanthemum scoparium Ellen Dean; S. Rae 2008-5-21 4984 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 274 Comment
  UCD145278  Crypsis schoenoides Barry Hammel 1976-5-30 454 Napa Lake Berryessa. Comment
  RSA0094670  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 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
  JEPS106756  Cryptantha flaccida Jake Ruygt 1982-4-18 1187 Napa Calistoga Grade, Mt.St.Helena 353 Comment
  CHSC108724  Cryptantha hispidula B. Castro; L. P. Janeway 2002-5-12 1370 Napa Inner North Coast Ranges. Ridge top north of Cedar Creek, along road from Devilhead Road. 579 Comment
  JEPS106739  Cryptantha hispidula Jake Ruygt 1981-5-21 1043 Napa 1.0 miles north of Butts Canyon Rd. on Snell Valley Rd. 213 Comment
  RSA127499  Cryptantha hispidula M. S. Baker 1938-4-29 8939 Napa Serpentine along road from Monticello east of Pope Valley. Comment
  SBBG115602  Cryptantha hispidula B. Crampton 1958-4-29 4754 Napa above Capell Crk, N end of Capell Valley Comment
  UC1278001  Cryptantha hispidula B. Crampton 1957-6-4 4092 Napa above Capell Creek (n end of Capell Valley); Capell Valley Comment
  UC1731385  Cryptantha hispidula Dean W. Taylor 1998-6-18 16668 Napa small side canyon 0.5 mi above (n) mouth of Pope Valley; North Coast Ranges, Butts Canyon 289 Comment
  UC726222  Cryptantha hispidula A. A. Heller 1941-5-16 16126 Napa w of Knoxville (near the summit of the first ridge) 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
  UCD41409  Cryptantha intermedia Ellen Dean; T. and M. Starbuck 2004-4-3 2001 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn-off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  UCD161328  Cryptantha muricata Jake Ruygt 1980-5-13 884 Napa 3 miles south of Oakville Grade on Dry Creek Road. (Coordinates estimated by label maker at UC Davis). 182 Comment
  JEPS104754  Cupressus macnabiana John L. Morrison 1969-8-16 4027 Napa near Knoxville Comment
  JEPS41068  Cupressus macnabiana Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9105 Napa 1 mi n of headwaters of Zim Zim Creek (along Devilhead Road); Devilhead Road 493 Comment
  UCD110850  Cupressus macnabiana Christopher Mallek 2008-1 AS- 1 Napa Aetna Springs. 668 Comment
  UCD133544  Cupressus macnabiana J. Street 1950-6-12 s.n. Napa Northern Napa County. Comment
  CAS-BOT-BC85480  Cupressus sargentii John Thomas Howell 1926-3-21 1714 Napa St. Helena Creek below Patten's near Napa-Lake county boundary 609 Comment
  CAS-BOT-BC85483  Cupressus sargentii John Thomas Howell 1927-8-24 3050 Napa Moist, rocky stream-bottom, Butts Valley, on Pope Valley-Middletown road, Napa Range Comment
  CAS-BOT-BC85486  Cupressus sargentii Carl Brandt Wolf 1928-2-25 1507 Napa 3 miles north of summit of Mt. St. Helena grade Comment
  CHSC109722  Cupressus sargentii L. R. Abrams 1926-5-4 12282 Napa County line, Napa - Lake County. Comment
  CHSC34822  Cupressus sargentii M. S. Taylor; E. Pierce 1981-5-17 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi s of Lake county line. Comment
  CAS-BOT-BC85481  Cupressus sargentii Peter Hamilton Raven 1951-5-26 2888 Napa Butts Canyon [Canon] Comment
  NY16827  Cupressus sargentii C. B. Wolf 1934-10-17 6196 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16831  Cupressus sargentii C. B. Wolf 1934-10-16 6193 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA995  Cupressus sargentii J. T. Howell 1927-8-24 690 Napa Butts Valley, Napa Range Comment
  SEINET10932814  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-17 Wolf 2152 Napa On Middletown-Calistoga Road, 90 m south of Lake County line. 455 Comment
  UCD170283  Cuscuta brachycalyx Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 823 Napa Knoxville Wildlife Area, north of Nevada Creek. 481 Comment
  POM7507  Cuscuta ceanothi H. P. Chandler 1906-9-7 7123 Napa Alta Loma Ranch 488 Comment
  JEPS116546  Cuscuta occidentalis Jake Ruygt 1990-5-12 2540 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  RSA13328  Cynoglossum grande C. B. Wolf 1928-2-25 1479 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD19952  Cynoglossum grande E. A. Dean; Virginia Boucher 2002-2-28 890 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  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
  CAS-BOT-BC114721  Cyperus difformis John Thomas Howell 1932-10-8 10798 Napa Wet soil of roadside hollow, 7 mi S of Napa. Comment
  CHSC102251  Cyperus eragrostis Lowell Ahart 2009-10-12 16459 Napa Below the high water mark of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  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
  UCD73511  Cyperus eragrostis Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD45022  Cyperus erythrorhizos A. Solomeshch 2004-9-19 s.n. Napa Shores of Lake Berryessa, ca. 1 mile from Monticello Dam, along Hwy 128. 134 Comment
  SEINET7581749 Image available Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa West end of Conn Lake. Comment
  JEPS115760  Cypselea humifusa Lowell Ahart 2009-10-27 16475 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  UCSB61644  Cypselea humifusa Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; E of boat-launching ramp on SE edge 91 Comment
  CAS-BOT-BC70647  Cystopteris fragilis Carl B. Wolf 1928-5-3 1842 Napa base of Mt. St. Helena Comment
  JEPS75996  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) 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
  UCD48152  Delphinium hesperium subsp. pallescens M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 26 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 445 Comment
  UCD48155  Delphinium hesperium subsp. pallescens R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 28 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  LA207503  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-9-5 sn Napa Putah Creek Canyon, 14.7 mi. W of Winters Comment
  UCD16027  Delphinium hesperium subsp. pallescens N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 15 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 4.5-6 dm tall, flowers pinkish to purplish. 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
  CAS-BOT-BC9813  Delphinium nudicaule John Thomas Howell 1931-4-2 6080 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  CAS-BOT-BC9819  Delphinium nudicaule Betty H. Johnson 1958-6-8 597 Napa Near St. Helena River, 6.4 mi. SW of Middletown Comment
  RSA787108  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -b Napa Napa range, along Napa-Monticello road. Comment
  RSA122776  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa Wooden Valley Grade, 5.2 miles NNE of Napa. 274 Comment
  UC635346  Delphinium patens H. L. Mason 1928-4-13 4330 Napa hills between Santa Rosa and Calistoga Comment
  CAS-BOT-BC116485  Delphinium patens subsp. patens E. Ruckert 1960-4-17 57 -408 Napa Meadow 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  JEPS110983  Delphinium patens subsp. patens Jake Ruygt 1999-5-8 4147 Napa Mead Ranch, near north gate. 426 Comment
  CAS-BOT-BC116492  Delphinium patens subsp. patens D. D. Keck 1931-4-2 1047 Napa 4 miles S. of Monticello, eastern Napa County. Comment
  JEPS60576  Delphinium patens subsp. patens W. L. Jepson 1893-1 Napa Napa Mountains Comment
  CAS-BOT-BC17150  Delphinium uliginosum R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6684 Napa Butt's Canyon, 10 mi. from Howell Mt. Comment
  LA207609  Delphinium uliginosum J. Ewan; 1937-5-23 10360 Napa Lower Lake to Monticello road, 1.9 mi. S of Lake Co. line Comment
  UCD13263  Delphinium uliginosum Mary M. Hektner 1973-6-4 348 Napa Napa CO. Chiles and Pope Valley Road, ca 3 miles north of junction with Lower Chiles Valley Road. Comment
  UCD96582  Delphinium uliginosum Alva Day 1965-5-15 65 126 Napa In meadow in Cedar Valley, west of Lake Berryessa. Comment
  UC9248  Delphinium variegatum Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin Comment
  CAS-BOT-BC7908  Delphinium variegatum David D. Keck 1931-4-2 1054 Napa 4 miles S of Monticello, eastern Napa County Comment
  LA207640  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa 16.2 mi. N of Monticello Comment
  JEPS23364  Delphinium variegatum subsp. variegatum Willis L. Jepson 1893-5-1 Napa hills near Calistoga; Napa River Basin, Upper Napa Valley Comment
  UC638504  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1336 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  CHSC25103  Dendromecon rigida J. E. Beitler 1970-4-19 24 Napa Napa. Located on N. side of road ca. 20 feet in from road shoulder, ca. 11.7 mi. W. on Napa-Monticello road from Moskowite Corners. Comment
  CAS-BOT-BC661  Dendromecon rigida subsp. rigida Alice Eastwood 1918-5-1 6860 Napa Mt. St. Helena Comment
  UCD21550  Deschampsia cespitosa A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, west side of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 335 Comment
  UC1158115  Deschampsia danthonioides Joseph P. Tracy 1950-5-23 18672 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Northern Coast Ranges, La Jota Plateau, Howell Mt., Moore's 518 Comment
  UC187273  Deschampsia danthonioides Joseph P. Tracy 1902-5-21 1605 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 335 Comment
  UCD164854  Deschampsia danthonioides Jake Ruygt 2012-4-21 5827 Napa Crystal Flats, west of Putah Creek. 259 Comment
  CHSC108733  Dicentra chrysantha B. Castro; L. P. Janeway 2002-5-12 1361 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  JEPS110779  Dicentra chrysantha Jake Ruygt 1998-6-24 4050 Napa On ridge above Apple Tree Canyon, Blue Ridge. 542 Comment
  CAS-BOT-BC599  Dicentra formosa subsp. formosa P. H. Raven 1953-4-2 5294 Napa Tulucay Creek 243 Comment
  UCD148795  Dichelostemma capitatum Ellen Dean; Diana Hickson 2014-4-29 8103 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS64160  Dichelostemma capitatum W. L. Jepson 1893-3-13 20967 Napa e of St. Helena Comment
  UC421802  Dichelostemma capitatum H. P. Chandler 1907-5-8 7563 Napa White Sulphur Springs St. Helena Comment
  UCD139203  Dichelostemma capitatum subsp. capitatum M. Sidells 1996-4-20 12 Napa next to path, at southwest side of Lake Berryessa, 150 m norhteast of Knoxville Road. 250 Comment
  UCR137661  Dichelostemma capitatum subsp. capitatum M. Sidells 1996-4-20 12 Napa Next to path on N facing hill at SW side of Lake Bereyessa, 150 m NE of Knoxville Road 250 Comment
  RSA195380  Dichelostemma capitatum subsp. capitatum Gilbert Muth 1967-4-16 637 Napa Snell Valley. 183 Comment
  UC765931  Dichelostemma congestum R. F. Hoover 1941-4-26 4924 Napa Pope Valley Comment
  UCD170368  Dichelostemma congestum Daniel Potter; N Khuu, K Battenberg 2016-4-30 866 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  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
  CAS-BOT-BC150362  Diplacus aurantiacus John H. Thomas 1955-5-21 5099 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC150364  Diplacus aurantiacus Peter H. Raven 1952-5-31 4127 Napa S.W. of Rector Canyon 152 Comment
  CAS-BOT-BC153409  Diplacus layneae Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC151335  Diplacus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon 304 Comment
  JEPS126108  Dipsacus sativus Jake Ruygt 1992-7-14 3094 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Qua. Comment
  UCD64468  Distichlis spicata A. A. Beetle 1946-5-7 4260 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  JEPS9503  Dodecatheon hendersonii Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  JEPS9512  Dodecatheon hendersonii Linda G. Dodd 1920-4-2 Napa Capell Valley Napa Range, Capell Valley 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
  UCD49112  Dodecatheon hendersonii C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  SBBG83708  Dodecatheon hendersonii D. Belshaw 1975-4-12 5 Napa Lake Berryessa, 25.9 mi W of Davis on State Hwy 128 Comment
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  UCD75836  Downingia concolor var. concolor Jake Ruygt 1993-5-1 3245 Napa Pope Canyon Rd. at large vernal pond. 187 Comment
  CAS-BOT-BC159628  Drymocallis glandulosa var. glandulosa John H. Thomas 1955-5-21 5100 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC70943  Dryopteris arguta Betty H. Johnson 1958-6-20 664 A Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  CAS-BOT-BC70944  Dryopteris arguta John Thomas Howell 1926-3-28 1767 Napa St. Helena Creek near Patten's 609 Comment
  CAS-BOT-BC70949  Dryopteris arguta Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house, Mt. St. Helena Comment
  HSC1036  Dryopteris arguta C. B. Wolf 1928-5-3 1841 Napa At the summit of the Mt. St. Helena Grade Comment
  UC397024  Dryopteris arguta Dr. Goodspeed June 1929 Napa near Napa Comment
  JEPS49899  Dudleya cymosa W. L. Jepson 1896-6-2 13420 Napa near St. Helena; Napa Valley Comment
  UCD170736  Dudleya cymosa 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
  HSC4375  Dysphania anthelmintica H. S. Reed 1948-11-6 2029 Napa Berryessa Valley, 2 mi. N of Monticello. 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
  CAS-BOT-BC197071  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helena) 111 Comment
  JEPS122983  Echinochloa crus-galli Jake Ruygt 1986-8-23 1904 b Napa Conn Creek west of the spillway. Quad: Rutherford. Comment
  UC585508  Echinochloa crus-galli Virginia E. Long 1931-8-22 104 a Napa (between Calistoga and Mt. St. Helena) Sullivan's Halfway Station 111 Comment
  CAS-BOT-BC445573  Echinodorus berteroi James L. Reveal 1987-6-7 6409 Napa Along California Highway 128 at the upper end of Lake Hennessey on meadowy flats just west of the turnoff to the Chiles and Pope Valley road, about 6.5 airline miles east-southeast of St. Helena Comment
  CAS-BOT-BC445822  Egeria densa Alice A. Ackley 1968-8-29 s.n. Napa Along main highway at Hoffman Road crossing, Yountville Comment
  JEPS121339  Eleocharis acicularis var. bella Jake Ruygt 1991-6-29 2747 Napa Doe Lake, Friesen's lakes, Angwin. 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
  JEPS121356  Eleocharis macrostachya Jake Ruygt 1996-5-13 3666 Napa .9 mile south of Pope Canyon Road on Hardin Road. Comment
  UCD147528  Eleocharis macrostachya Ellen Dean; Diana Hickson 2014-4-29 8082 a Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  RSA10693  Elymus glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi. no. of Calistoga, Mt. St. Helena Grade. Comment
  UC1103203  Elymus glaucus J. P. Tracy 1899-6-13 347 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD17975  Elymus glaucus Ellen Dean; with Plant Biology 102 class 2001-4-14 700 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  JEPS75635  Elymus glaucus subsp. jepsonii W. L. Jepson 1936-5-28 17542 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD62437  Elymus multisetus E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello-Napa road. Comment
  UCD48052  Emmenanthe penduliflora B. Takahashi; S. Burgess, A. Hufton, J. Pierner, A. Ryan 2000-4-29 5 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow the flies) N of the old town of Knoxville. 609 Comment
  UCD170361  Emmenanthe penduliflora var. penduliflora Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 859 Napa East of Nevada Creek, just west of Knoxville Wildlife Area boundary. 383 Comment
  JEPS122727  Epilobium campestre Jake Ruygt 1982-6-13 1323 Napa Pope Canyon Road at large vernal pool. Quad: St. Helena. 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
  UCD167249  Epilobium campestre Jake Ruygt 2001-7-8 4320 Napa Lake Hennessey at the boat ramp. 92 Comment
  JEPS122733  Epilobium canum Jake Ruygt 1997-11-1 3875 Napa Buzzards Roost. Quad: Yountville. Comment
  CAS-BOT-BC171952  Epilobium canum subsp. latifolium T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  CAS-BOT-BC171954  Epilobium canum subsp. latifolium L. R. Abrams 1916-7-2 5753 Napa St. Helena Sanitarium Comment
  JEPS39259  Epilobium ciliatum subsp. ciliatum Willis L. Jepson 1893-9-24 14465 Napa Napa River Basin, Howell Mt. Howell Mt.; Napa River Basin, Howell Mt. Comment
  UC19944  Epilobium densiflorum F. T. Bioletti 1892-8-15 Napa Napa Junction Comment
  RSA37535  Epilobium foliosum Milo S. Baker 1942-5-27 10204 Napa Summit of Spring Mt. Road, along road turning north, near boundary of Sonoma and Napa Counties 619 Comment
  UCD19923  Epilobium foliosum Ellen Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 778 Napa Quail Ridge Reserve. Decker Canyon, junction of West Rd. and Decker Bay trail. 146 Comment
  SEINET7072772 Image available Epilobium minutum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UC144088  Epilobium minutum J. P. Tracy 1902-5-16 1499 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD160631  Epilobium minutum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8723 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 200 Comment
  UCR261611  Epilobium minutum Ann Howald 2003-4-23 2304 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  UCD167254  Epilobium minutum Jake Ruygt 1992-4-10 2904 Napa Johnson's Meadow, Wild Horse Valley Ranch. 426 Comment
  UCD138944  Epipactis gigantea Barbara Rice 1965-5-15 71 Napa Zim-Zim Creek, 3 miles southeast of Devilshead Road. 365 Comment
  UCD138932  Epipactis gigantea Stephen Clement 1973-5-18 65 Napa at the junction of Snell Valley Road and Butts Canyon Road. 274 Comment
  CAS-BOT-BC57894  Equisetum X ferrissii Peter H. Raven 1951-10-28 3922 Napa Yountville. 60 Comment
  JEPS103962  Equisetum laevigatum Jake Ruygt 1988-4-18 2158 Napa Newell Canyon 60 Comment
  JEPS103964  Equisetum telmateia Jake Ruygt 1979-4-8 493 Napa Mt. St. Helena, at base of fire trail 658 Comment
  SBBG128692  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa below the high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  JEPS52486  Eremocarpus setiger W. L. Jepson 1923-10-22 9839 Napa St. Helena Comment
  JEPS106944  Erigeron biolettii Jake Ruygt 1981-7-8 1059 Napa near upper Bateman Creek 670 Comment
Read comments
Jan 14 2009
  JEPS106942  Erigeron greenei Jake Ruygt 1997-7-5 3873 Napa Sugarloaf Peak, west of Spanish Flat. 574 Comment
  UCD132044  Erigeron philadelphicus var. philadelphicus M. Wiesendanger 1926-4-1 1497 Napa Exact location unknown. Comment
  RSA293008  Eriodictyon californicum Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 744 Napa Mt. Saint Helena. Comment
  UCD49087  Eriodictyon californicum Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 7 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 (2,400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  UC130954  Eriogonum compositum var. compositum Katharine Brandegee 1909-6-1 Napa Pope Valley Grade from Calistoga Comment
  CAS-BOT-BC242608  Eriogonum dasyanthemum Peter H. Raven 1951-6-26 3080 Napa Cappell [Capell] Valley 365 Comment
  JEPS110771  Eriogonum dasyanthemum Jake Ruygt 1969-12-31 2605 Napa north end of Wooden Valley 231 Comment
  CAS-BOT-BC266057  Eriogonum luteolum Peter H. Raven 1951-10-28 3929 Napa Conn Valley 152 Comment
  CAS-BOT-BC266061  Eriogonum luteolum John Thomas Howell 1933-8-27 11651 Napa Chiles Valley, Napa Range Comment
  CAS-BOT-BC266065  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mountains Comment
  POM209841  Eriogonum luteolum S. G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains. Comment
  SD22495  Eriogonum luteolum Susan G. Stokes 1933-8-27 Napa Near Chiles School Comment
  SEINET3405138 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains Comment
  SEINET7064412  Eriogonum luteolum var. luteolum A. G. Vestal 1963-5-12 s.n. Napa Serpintine on Spring Mountain Road. (NAD83/WGS84). UTM Zone 10, 542003mE, 4263213mN. 299 Comment
  JEPS56166  Eriogonum luteolum var. luteolum W. L. Jepson October, 1894 Napa Napa Co. Comment
  LA206906  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts Comment
  LA206909  Eriogonum luteolum var. luteolum Marcus E. Jones; 1931-7-5 Napa The Geysers Comment
  UCD149073  Eriogonum nervulosum G. Ledyard Stebbins 1985-6-17 C 534 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 Comment
  OBI47600  Eriogonum nudum L. F. LaPre & R. Bjork, R. Bjork 1986-7-13 s.n. Napa Hunting Crk, 1/2 mi S of Dunnigan Hill (Jericho Valley 7.5' quad) 335 Comment
  CAS-BOT-BC268977  Eriogonum nudum var. auriculatum Peter H. Raven 1951-8-22 3884 Napa 2 8/10 miles from Lokoya on Napa Rd 228 Comment
  UCD164790  Eriogonum nudum var. nudum Jake Ruygt 2007-7-22 5249 Napa Conn Valley Road near Rossi Road. 115 Comment
  SBBG28223  Eriogonum nudum var. oblongifolium S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mtns Comment
  JEPS120314  Eriogonum umbellatum var. smallianum Jake Ruygt 1998-7-11 4083 Napa Blue Ridge, about 1.5 miles north of Mays Flat. Knoxville 7.5' Quad. Comment
  JEPS56163  Eriogonum vimineum Willis L. Jepson 1893-9-24 Napa Angwin's Meadow Howell Mt., Angwin's Meadow Comment
  SBBG64230  Eriogonum vimineum S. G. Stokes 1933-8-27 81 Napa Sage Cyn, Napa Mtns Comment
  UCD48640  Eriophyllum lanatum M. Eng; W. Wong, N. Wannlund, A Holman 2002-5-4 2 Napa Quail Ridge UC Reserve, northern top of ridge, N of intersection of West and East roads, on trailside, along lower road leading to power lines, 100 ft. W of lat./long. 335 Comment
  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
  JEPS34500  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-6-11 19007 Napa Knoxville Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  JEPS34602  Eriophyllum lanatum var. achilleoides W. L. Jepson 1923-4-29 9889 Napa St. Helena Comment
  POM315944  Eriophyllum lanatum var. achilleoides Patricia Wilder 1965-6-9 3602 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  JEPS34727  Eriophyllum lanatum var. achilleoides W. L. Jepson 1936-6-2 17600 Napa Sanitarium, e of St. Helena Comment
  POM358026  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s.n. Napa Near Hill and Connors Ranches, Calistoga Comment
  HSC5611  Eriophyllum lanatum var. grandiflorum Greg Bos 1963-3-24 49 Napa NW end of Lake Berryessa, at Putah Creek 473 Comment
  JEPS61372  Erodium botrys W. L. Jepson 1915-4-23 6268 Napa near St. Helena; Napa Valley Comment
  SEINET5585685  Erodium brachycarpum Richard R. Halse 2013-1 8758 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of its junction with the Lower Chiles Valley Road. 230 Comment
  UCD170297  Eryngium Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 837 Napa Knoxville Wildlife Area, above and north of Nevada Creek 601 Comment
  UCD170346  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 845 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 586 Comment
  JEPS17445  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-4-26 14276 Napa Rutherford Comment
  JEPS17418  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-9-25 14269 Napa Napa City rd. to Suscol House, within ca. 2 mi. of Suscol House, Lone Tree Farm Napa River Basin, Suscol Hills, Lone Tree Farm Comment
  JEPS17436  Eryngium aristulatum var. aristulatum Willis L. Jepson 1903-9-7 2352 Napa above St. Helena Reservoir; Napa River Basin Comment
  UC1784182  Eryngium armatum Ethel Crum 1930-7-13 817 Napa hill near Napa Comment
  UCD160760  Eryngium castrense Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8630 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
  UCD164833  Eryngium jepsonii Jake Ruygt 2012-6-2 5856 Napa Butts Canyon Road, across road from James Creek Road. Comment
  UC673520  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount St. Helena Comment
  SEINET8340803  Erythranthe microphylla Peta C. Lewis 1967-5-25 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  CAS-BOT-BC26159  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa County. Steep northerly slope just east of the Palasades on old stage road. Comment
  POM196477  Erythronium helenae J. T. Howell 1926-3-21 1715 Napa St. Helena Creek below Pattens 457 Comment
  SEINET1783218  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa Country. Comment
  UCD166145  Erythronium helenae John Gibson 2016-3-19 6 Napa Near Aetna Springs, ca 2 mi from jct with Pope Valley Rd and 1.1 miles west of Aetna Springs. 365 Comment
  SEINET10528927  Erythronium pluriflorum James R. Shevock, Jim A. Bartel 1988-7-2 Shevock 11844 Napa Common along the north and northeast slope of Shuteye Peak on granitic rocky slopes, subalpine coniferous forest, T7S R23E, sect 2N 1/2. Chiquito Ridge, San Joaquim River drainage, Sierra National Forest. Associated with Saxifraga bryophora, Lomatatium torreyi and Sorbus californica. 8250 feet. Comment
  CAS-BOT-BC402803  Eschscholzia caespitosa David D. Keck 1931-4-3 1064 Napa Pope Creek canyon, 8 miles NW. of Monticello Comment
  JEPS110780  Eschscholzia caespitosa Jake Ruygt 1989-4-8 2248 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  LA206219  Eschscholzia caespitosa John Thomas Howell; 1931-4-3 6127 Napa Napa Range, Pope Creek Canyon Comment
  CAS-BOT-BC402788  Eschscholzia caespitosa Ira L. Wiggins 1949-4-30 12078 Napa Along old toll road between Calistoga and Middletown, about 2.5 mi. from Calistoga Comment
  UCD95243  Eschscholzia caespitosa Curtis Clark 1975-4-15 471 Napa Wragg Canyon, Vaca Mountains. Comment
  UCD95260  Eschscholzia caespitosa R. L. Smith 1948-5-1 s.n. Napa 8 miles east of Samuel Springs, east branch of Monticello Valley. Comment
  SD8239  Eschscholzia californica Brandegee Apr 1888 Napa Mt. St. Helena. Comment
  UCD48073  Eschscholzia californica Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 9 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD73445  Eschscholzia 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
  UCD94056  Eschscholzia californica Shannon M. Still 2006-3-23 63 Napa California. Napa County: Field to north side of Snell Valley Road just past the intersection with Walker Road. 180 Comment
  CAS-BOT-BC403332  Eschscholzia californica Hilda Smyth 1899-1-1 s.n. Napa Napa Comment
  CAS-BOT-BC403334  Eschscholzia californica E. Ruckert 1960-4-9 77 Napa 6495 Dry Creek Road, at edge of private road to property 365 Comment
  UCD95311  Eschscholzia californica Alan P. Godlewski 1974-5-3 14 Napa In foothills surrounding Lake Berryessa. Comment
  CAS-BOT-BC310499  Euchiton sphaericus H. Stabo 1961-10-1 s.n. Napa F. Nicholls prop., end of Mayo Lane, St. Helena Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  JEPS48860  Euphorbia crenulata Elsa Kraeger 1926-3-28 Napa 0.5 mi from Mt. St. Helena Hotel (near Russ House) Comment
  UCD167058  Euphorbia crenulata Jake Ruygt 1998-4-22 3933 Napa Tributary to Cement Creek, about 1/2 mile from Cement Circle Road. 228 Comment
  UCD142417  Euphorbia oblongata R. Lawley 1972-5-1 s.n. Napa Highway 29 south of Calistoga. Comment
  CDA43111  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  RSA755363  Euthamia occidentalis L. Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  SBBG128016  Euthamia occidentalis L. Ahart 2009-10-12 16420 Napa below the high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi W of Winters 133 Comment
  UC1093971  Euthamia occidentalis H. L. Mason 1923-10-6 771 Napa Suisan Marsh Comment
  CDA10863  Festuca californica G. F. Hrusa, M. Rejmanek 1993-5-15 10958 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS71213  Festuca californica W. L. Jepson 1936-7-3 17647 Napa Howell Mt. Comment
  SBBG29006  Festuca californica B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UCD149596  Festuca californica 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
  UCR228654  Festuca californica Ellen Dean, Stephen Rae 2008-5-21 4988 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  UCR43100  Festuca californica L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  CAS-BOT-BC278344  Festuca californica subsp. californica Carl B. Wolf 1928-5-3 1815 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UCD65922  Festuca elmeri Beecher Crampton 1970-5-14 8593 Napa 10 miles east of Rutherford. Comment
  SD180623  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa South end of Chiles Valley on highway 128 Comment
  UCR24024  Festuca microstachys John C. Roos 1939-4-29 288 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UC187112  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 487 Comment
  UCD36938  Festuca roemeri Beecher Crampton 1956-5-25 3458 Napa Vaca Mountains, head of Markley Canyon. Comment
  SEINET200830 Image available Festuca rubra J. P. Tracy 1902-5-19 1549 Napa Head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn 518 Comment
  JEPS129135  Ficus carica Jake Ruygt 1994-5-22 3488 Napa Devils Canyon, Taylor Preserve. Sonoma 7.5' Quad. Comment
  UC619327  Foeniculum vulgare Wilhelm N. Suksdorf 1913-7-24 621 Napa bank of Napa R. s. of Napa Comment
  CAS-BOT-BC223444  Fraxinus dipetala H. E. McMinn 1922-6-8 202 Napa Pope Canon [Canyon] Comment
  JEPS44089  Fraxinus latifolia Willis L. Jepson 1903-9-9 2337 Napa St. Helena Napa River Basin Comment
  SEINET13943203 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
  CAS-BOT-BC205886  Fremontodendron californicum E. Ruckert 1960-4-3 66 Napa 6495 Dry Creek Road; on terrace 365 Comment
  CAS-BOT-BC205890  Fremontodendron californicum M. A. Nobs 1939-6-3 s.n. Napa Half way between Monticello and Lower Lake Comment
  RSA77221  Fremontodendron californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  SBBG50813  Fremontodendron californicum N. Miller 1973-5-5 13 Napa St Hwy 128, 5 mi N of Moskowite Corner Comment
  UCD116319  Fremontodendron californicum Robert E. Sholars 1975-5-27 43 Napa East side of State Highway 128, 4 miles north of State Highway 121. Comment
  CDA13213  Fremontodendron californicum subsp. napense G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12914 Napa North Coast Biodiversity Arena; Summit of 'The Palisades' above Cub Valley. MonteSol Ranch. Comment
  UCD36150  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  JEPS113964  Fritillaria pluriflora Jake Ruygt 1994-3-5 3404 Napa Paradise Valley. Jericho Valley 7.5' Quad. 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
  CAS-BOT-BC130485  Fritillaria purdyi John Thomas Howell 1931-4-4 6166 Napa Crater Country, Mt. St. Helena region Comment
  JEPS113967  Fritillaria purdyi Jake Ruygt 1979-4-6 487 Napa .3 mile east of Butts Canyon Road, on Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  JEPS61895  Fritillaria purdyi Pearl Lutzi 1916-5-1 Napa Napa Range, Calistoga Calistoga; Napa Range, Calistoga Comment
Read comments
Jun 2 2008
  UC545850  Fritillaria recurva E. Crum 1936-3-15 1739 Napa Butt's Canyon, Pope Valley-Middletown Road Butt's Canyon; , Pope Valley-Middletown Road Comment
  CAS-BOT-BC508190  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa N. end of Capell Valley above Capell Creek along State Hwy 128 Comment
  UCD166660  Fritillaria recurva Jake Ruygt 1979-3-16 457 Napa 1.8 miles NW of Madrona on Spring Mountan Road. 207 Comment
  SEINET7073048  Galium aparine A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UCD49241  Galium aparine Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near dilapidated buildings. 152 Comment
  UCSB9839  Galium aparine Keator, Glenn 1959-3-28 Napa About 1.5 miles S from Conn's Picnic Area in Lake henessy Area 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
  JEPS110562  Galium bolanderi Jake Ruygt 1981-5-6 1013 Napa Zim Zim Falls 390 Comment
  JEPS110564  Galium bolanderi Jake Ruygt 1987-5-23 2006 Napa Cedar Roughs 426 Comment
  UC139301  Galium bolanderi M. K. Curran Aug. 1888 Napa Howell Mt. Comment
  UCD21547  Galium californicum subsp. californicum A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 1 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, just N of pool at confluence of Sensitive Plant Canyon and Hunting Creek, along trail to pool from campground. 335 Comment
  UCD18001  Galium parisiense Ellen Dean; with Plant Biology 102 class 2001-4-28 732 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  CDA30788  Galium porrigens V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UC1196090  Galium porrigens Joseph P. Tracy 1899-6-26 429 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD149695  Galium porrigens Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCR212331  Galium porrigens 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
  JEPS6612  Galium porrigens var. porrigens W. L. Jepson 1944-5-21 27523 Napa 4 mi e Rutherford Comment
  JEPS52738  Galium porrigens var. tenue Lauramay T. Dempster 1965-5-15 4092 Napa s Knoxville; Cedar Valley 609 Comment
  UCD121147  Gamochaeta ustulata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7347 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  CAS-BOT-BC199055  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  CAS-BOT-BC144381  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  JEPS66733  Garrya fremontii W. L. Jepson 1896-2-22 14160 Napa Crystal Springs grade to Howell Mt. Comment
  CDA38570  Garrya fremontii H. Stabo 1959-9-1 s.n. Napa E. St. Helena hills. 0 Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  UCD49066  Geranium dissectum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 3 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  UCD103351  Geranium dissectum Peter Kamb; Francia Chisaki 1950-4-22 1766 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37. 213 Comment
  UCD103392  Geranium dissectum M. R. Wanzer 1948-5-22 25 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  JEPS106750  Geranium purpureum Jake Ruygt 1976-5-14 75 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  UCD103474  Geranium purpureum Glen Holstein 1977-5-11 s.n. Napa Along State Highway 121, 0.7 mile north of intersection with Wooden Valley Road. Comment
  RSA523893  Gilia capitata Barbara Ertter, Annetta Carter 1989-5-28 8512 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  RSA83101  Gilia capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon on east slope of Mayacama Mountains, ca. 8 miles from Vichy Springs on Montichello road. Comment
  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
  UC1197930  Gilia capitata subsp. capitata J. P. Tracy 1903-5-16 1838 Napa near Calistoga (region about San Francisco Bay); Region about San Francisco Bay, nr Calistoga 152 Comment
  HSC16982  Gilia tricolor Greg Bos 1963-3-30 51 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  UCD167224  Gilia tricolor subsp. diffusa Jake Ruygt 1986-4-12 1689 Napa Devil's Canyon. 536 Comment
  UC1301137  Gilia tricolor subsp. tricolor Helen K. Sharsmith 1963-3-17 5233 Napa Silverado Trail San Francisco Bay Region, Silverado Trail 76 Comment
  JEPS106572  Githopsis specularioides Jake Ruygt 1982-4-25 1201 Napa Swartz Canyon below the falls 426 Comment
  JEPS33907  Githopsis specularioides D. E. Breedlove 1963-5-29 5063 Napa 4.5 mi n Pope Valley Comment
  RSA518733  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  RSA92802  Glinus lotoides Peter H. Raven 1951-10-28 3931 Napa Strand at west end of Conn Lake. 152 Comment
  JEPS122936  Glyceria occidentalis Jake Ruygt 1992-5-6 2933 Napa West of Foster Road, Napa (Raynes property). Quad: Napa. Comment
  CHSC103022  Gnaphalium luteoalbum Lowell Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS106907  Gnaphalium palustre Jake Ruygt 1986-5-19 1778 Napa Napa River south of Imola Ave., Napa 1 Comment
  UCD160703  Grindelia camporum Ellen Dean; Jake Ruygt 2015-5-23 8762 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek. 579 Comment
  CAS-BOT-BC304898  Grindelia hirsutula Peter H. Raven 1952-8-26 5132 Napa W. Bentley Wharf 15 Comment
  CAS-BOT-BC304901  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  POM359073  Grindelia hirsutula Peter H. Raven 1965-5-15 20200 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  UC32141  Grindelia hirsutula Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  JEPS120421  Grindelia hirsutula Jake Ruygt 2010-8-14 5714 Napa Berryessa Estates picnic area adjacent to Putah Creek at junction with Butts Cr. Comment
  JEPS106919  Gutierrezia sarothrae Jake Ruygt 1998-8-29 4109 Napa Blue Ridge, about 1.5 mile north of Mays Flat. 701 Comment
  UCD170465  Harmonia hallii Daniel Potter; Ninh Khuu 2016-6-18 894 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 449 Comment
  CAS-BOT-BC302218  Harmonia nutans Catherine Best 1984-4-16 915 Napa Atlas Peak Road, about 6 miles north of Monticello intersection Comment
  CAS-BOT-BC302225  Harmonia nutans Peter H. Raven 1950-4-15 1752 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC302238  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  UC166274  Harmonia nutans Joseph P. Tracy 1902-5-20 1565 Napa on Howell Mt. road Northern Coast Ranges, Angwin Creek 457 Comment
  UC1731339  Harmonia nutans Dean W. Taylor 1998-6-23 16695 Napa Swartz Canyon North Coast Ranges, Mayacamas Mountains (headwaters, s flanks of Twin Peaks, (ca. 5 air mi w <of> Aetna Springs) 716 Comment
  UC894091  Harmonia nutans Alice Eastwood 1916-6-6 4664 Napa Mt. St. Helena Comment
  UCD164820  Harmonia nutans Jake Ruygt 2012-4-21 5828 Napa Crystal Flats, west of Putah Creek. 216 Comment
  JEPS106642  Helenium bigelovii Jake Ruygt 1979-7-21 759 Napa 5.5 miles north of Howell Mtn Rd. on Butts Canyon Rd. 243 Comment
  CHSC103018  Helenium puberulum Lowell Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  POM55343  Helianthella californica var. californica C. F. Baker 1903-4-20 2628 Napa Mt. St. Helena. Comment
  CAS-BOT-BC223903  Helianthemum scoparium John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS106670  Helianthus bolanderi Jake Ruygt 1991-8-5 2821 Napa 3.2 miles north of Pope Creek on Berryes sa-Knoxville Rd. 118 Comment
  JEPS35463  Helianthus bolanderi W. L. Jepson 1938-9-24 19018 Napa Canyon of James Creek Pope Valley, Canyon of James Creek 304 Comment
  UC1177089  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 mi e Chiles Valley 304 Comment
  JEPS34867  Helianthus bolanderi W. L. Jepson 1916-8-7 6843 Napa Howell Mt. Comment
  RSA96661  Helianthus bolanderi Percy C. Everett, E. K. Balls 1954-10-19 20372 Napa On road to Lower Lake 3.9 miles n.w. of Knoxville. 610 Comment
  SEINET3930499  Helianthus bracteatus David Keil 1986-11-8 19789 Napa Along Lake Berryessa Knoxville Road, near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UCD132787  Helianthus exilis G. F. Hrusa 1993-10-3 11426 Napa 2.1 m. southwest along Knoxville-Devilhead Road from Knoxville-Berryessa Road. 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
  UC1925925  Hemizonia congesta Ethel Crum Oct 1930 916 Napa Pope Valley. Comment
  CAS-BOT-BC306142  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  JEPS12594  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1893-9-25 Napa La Lomita Napa River Basin Comment
  CAS-BOT-BC306144  Hemizonia congesta subsp. clevelandii H. M. Hall 1924-10-4 12112 Napa Calistoga, (Myrtledale Spring) Comment
  CAS-BOT-BC306153  Hemizonia congesta subsp. clevelandii J. McMurphy 1909-8-7 696 Napa Callistoga [Calistoga] Comment
  CAS-BOT-BC309839  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-10-28 3957 Napa Knoxville 457 Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo Comment
  UCD161616  Hemizonia congesta subsp. luzulifolia Jake Ruygt 2002-9-14 4457 Napa Missimer / Snell Valley Wildflower Preserve. 170 Comment
  UCD161309  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  UCD161401  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  JEPS122710  Hesperevax sparsiflora var. sparsiflora Jake Ruygt 1979-4-30 567 Napa Southeast corner of Napa County, east of Highway 80. Quad: Cordelia. Comment
  UC31906  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1894-5-1 Napa Conn Valley Comment
  UC517967  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1931-4-19 6439 Napa Conn Valley Comment
  UCD161602  Hesperevax sparsiflora var. sparsiflora Jake Ruygt 1998-6-24 4058 -b Napa Goslin Canyon, north of hunting camp. Comment
  UC2026900  Hesperocyparis macnabiana David Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UCSB46883  Hesperocyparis macnabiana Roos, John 1938-11-19 Napa Pope Valley, Aetha Springs, along creek Comment
  SBBG127026  Hesperocyparis macnabiana D. Keil 1986-11-8 19788 Napa Lake Berryessa Knoxville Rd, near Knoxville, 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  HSC1201  Hesperocyparis sargentii C. B. Wolf 1928-2-25 1507 Napa 3 mi. N of the summit of Mt. St. Helena grade, near Lake Co. line Comment
  HSC46349  Hesperocyparis sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  SD62069  Hesperocyparis sargentii Darley F. Howe 1965-8-3 Napa just south of Napa-Lake County Line on State Highway #29 Comment
  CAS-BOT-BC167421  Hesperolinon bicarpellatum Robert F. Hoover 1938-6-8 3539 Napa Canyon of s. fork of Butts Canyon Comment
  CAS-BOT-BC167425  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  JEPS32273  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa on hills at head of Moore's Creek (5 mi e of Angwin's); Howell Mountain 396 Comment
  LA47291  Hesperolinon bicarpellatum Helen Sharsmith; 1952-6-20 4145 Napa above Pope Creek ca. 0.5 mi. from Walter Springs 152 Comment
  LA47294  Hesperolinon bicarpellatum Helen Sharsmith; Napa ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  OBI12551  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Cyn and Pope Valley on tributary of Pope Crk 274 Comment
  UC1212353  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4604 a Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1212356  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4109 Napa above creek Sage Creek (w side of valley); Chiles Valley 30 Comment
  UC1212372  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa ca 0.5 mi from Walter Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UCD141589  Hesperolinon bicarpellatum Ellen Dean 2013-4-27 7705 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCD160677  Hesperolinon bicarpellatum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8749 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  UCD82614  Hesperolinon bicarpellatum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  UCR261636  Hesperolinon bicarpellatum Ann Howald 2003-5-23 2340 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  UCD167346  Hesperolinon bicarpellatum Jake Ruygt 1995-6-17 3499 Napa Southeast corner of Butts Canyon Road at Snell Valley Road. 225 Comment
  CAS-BOT-BC176011  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford 152 Comment
  CAS-BOT-BC488335  Hesperolinon californicum Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 Comment
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. Comment
  JEPS127889  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 218 Napa About 200 meters west of Butts Canyon Road. Comment
  UC1212457  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4078 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD110500  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa Above Sage Creek on west side Chiles Valley. 304 Comment
  UCD169869  Hesperolinon californicum Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 804 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  CAS-BOT-BC176057  Hesperolinon clevelandii Catherine Best 1984-4-19 926 Napa Atlas Peak Rd - about 6 miles north of the intersection with Monticello Comment
  SD51768  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine. 305 Comment
  UC1212326  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mi n Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC1212330  Hesperolinon clevelandii Helen K. Sharsmith 1957-5-30 4597 Napa 1.1 mi beyond town of Pope Valley (on road to St. Helena); Inner North Coast Ranges, Howell Mountain 304 Comment
  UCR71418  Hesperolinon clevelandii H. K. Sharsmith 1965-5-18 5519 Napa Inner North Coast Ranges, 1 mi. above Aetna Springs on mine road & c. 5 mi. beyond town of Pope Valley 305 Comment
  CAS-BOT-BC176050  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  UC1212323  Hesperolinon clevelandii Milo S. Baker 1947-7-7 11853 Napa at end of wood road leading southerly from Mt. St. Helena Inn (towards the Crater); Inner North Coast Ranges Comment
  UCD167297  Hesperolinon clevelandii Jake Ruygt 2004-5-8 4599 Napa Lone Pine Thicket on private road accessible from Devilhead Road. 633 Comment
  JEPS122780  Hesperolinon disjunctum Jake Ruygt 1993-6-5 3277 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  JEPS122878  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 621 Napa Along Knoxville Devilhead Rd. just south of Knoxville Berryessa Rd. at dirt road junction Comment
  SD58214  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 730 Comment
Read comments
Jun 12 2012
  UC1563734  Hesperolinon disjunctum Barbara Ertter with Annetta Carter 1989-5-28 8511 Napa on Berryessa Rd 2 mi se Lake Co line (serpentine hills s of road, near Knoxville) 609 Comment
  UCD110519  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 121 Comment
  SD51662  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa Directly east of Knoxville. 395 Comment
  JEPS122779  Hesperolinon drymarioides Jake Ruygt 1998-7-11 4089 Napa Devilhead Road about 1/2 mile south of ranch. QUAD: Knoxville. Comment
  JEPS32298  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howeel Mountain 396 Comment
  UC1601270  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4616 Napa Rutherford-Monticello road Inner North Coast Ranges, Chiles Valley (w side of valley) 243 Comment
  JEPS32318  Hesperolinon micranthum W. L. Jepson 1934-10-16 16898 Napa betw. St. Helena sanitarium and Four Corners; Howell Mt. Comment
  UC1212259  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4105 Napa s side Conn Dam (on slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 Comment
  UC1212412  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4594 Napa nw of Cappell Valley; Inner North Coast Ranges 243 Comment
  UC1601208  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4615 b Napa s side above road Conn Cam; Inner North Coast Ranges 121 Comment
  UCD110537  Hesperolinon micranthum M. Ensign 1943-5-25 326 Napa 24 miles from Monticello on road to Lower Lake. Comment
  JEPS122788  Hesperolinon sharsmithiae Jake Ruygt 2009-6-18 5439 Napa Chiles-Pope Valley Road. QUAD: Chiles Valley. Comment
  JEPS123294  Hesperolinon sharsmithiae David Gowen 2009-6-18 1071 Napa Pope Canyon Road, west of where Maxwell Creek enters Pope Creek. Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  JEPS112652  Hesperolinon spergulinum Jake Ruygt 1983-6-12 1494 Napa Mt. St. Helena 624 Comment
  UC1212406  Hesperolinon spergulinum Joseph P. Tracy 1938-6-5 15828 Napa 5 mi e Angwin's (on hills at head of Moore Creek); Howell Mountain, Moores Creek 365 Comment
  JEPS32289  Hesperolinon spergulinum W. L. Jepson 1894-7-19 13542 Napa grade up Mt. St. Helena from Calistoga ((at schoolhouse)) Comment
  JEPS106574  Heterocodon rariflorum Jake Ruygt 1986-6-20 1828 Napa NW side of Mt. George 295 Comment
  UCD164836  Heterocodon rariflorum Jake Ruygt 2012-6-2 5858 -c Napa Spanish Valley on south ridge. 345 Comment
  SEINET3077394 Image available Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  JEPS20393  Heterotheca grandiflora W. L. Jepson 1939-9-11 19474 Napa nw of Saint Helena (at river bridge); Napa River 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
  UCD133137  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  UC1197461  Hoita macrostachya Joseph P. Tracy 1899-7-6 391 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek, along water courses); Northern Coast Ranges, Howell Mountain 457 Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  UC419709  Holocarpha virgata subsp. virgata Mrs. H. P. Bracelin 1930-10-19 117 A Napa Pope Valley, near school Pope Valley Comment
  UCD32908  Holodiscus discolor Beecher Crampton 1965-6-17 7424 Napa Napa county line, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  SACT001319  Hordeum brachyantherum John Willoughby 1975-5-25 Napa Tufted perennial, collected along BLM road in Cedar Valley. Comment
  CAS-BOT-BC280879  Hordeum brachyantherum subsp. brachyantherum Peter H. Raven 1950-4-15 1702 Napa Napa 9 Comment
  UCD85635  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Napa Calistoga. Myrtledale Hot Springs. Comment
  CAS-BOT-BC284762  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 Napa Napa 9 Comment
  CAS-BOT-BC273492  Hordeum vulgare E. Ruckert 1960-4-29 127 Napa 300 yards southeast of house, 6495 Dry Creek Road 365 Comment
  UCD106054  Hosackia crassifolia Beecher Crampton 1965-6-30 7423 Napa Solano-Napa Counties, Vaca mountains, Mt. Vaca. 859 Comment
  JEPS104542  Hydrocotyle ranunculoides Jake Ruygt 1981-3-29 959 Napa near P.G.and E substation, Suscol ridge 24 Comment
  UCD166690  Hypericum anagalloides Jake Ruygt 1982-6-29 1347 Napa on east side of Hwy 29, 0.3 mi south of Old Bale Mill. 88 Comment
  CAS-BOT-BC410810  Hypericum concinnum L. R. Abrams 1916-7-2 5754 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC410807  Hypericum concinnum John Thomas Howell 1926-10-3 2207 Napa Near top of Mt. St. Helena 1066 Comment
  UCD133324  Hypochaeris glabra Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  HSC41168  Iris fernaldii Robert M. Specht 1976-5-15 457 Napa 0.3 mi. S of Napa-Lake Counties border on Hwy. 29 at Rattlesnake Spring Comment
  JEPS126050  Iris fernaldii Jake Ruygt 2002-4-1 4381 Napa West of Calistoga above Blossom Creek. Mark West Springs 7.5' Quad. Comment
  RSA135896  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17119 Napa Troutdale Creek, Highway 29, 1.4 miles south of Lake County line Comment
  UC896991  Iris fernaldii Milo S. Baker 1932-4-26 3955 Napa highway s Monticello Comment
  UCD14889  Iris fernaldii Olivia Shinomoto 1991-3-18 19 Napa along Highway 121, 7.7 miles south of the intersection with Highway 128; 365 Comment
  UCD116959  Iris macrosiphon Jillian Howard; 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
  UCD138788  Iris macrosiphon H. Popenoe 1949-5-1 16 Napa Napa Valley: one mile from Pacific Union College on Pope Valley Road. Comment
  UCD48720  Iris macrosiphon M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 10 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 50 ft. N of lat./long position. 289 Comment
  UC914248  Iris macrosiphon Verne Grant and Alva Grant 1947-4-19 7938 Napa e of summit of Mayacama Mts. (on Napa to Monticello road) Comment
  UCD166694  Iris macrosiphon Jake Ruygt 2007-4-15 5146 Napa Las Posadas State Forest, edge of upper meadow. 518 Comment
  JEPS122771  Isatis tinctoria Jake Ruygt 2011-5-14 5785 Napa Chiles-Pope Valley Road near old barn. Quad: Chiles Valley. Comment
  JEPS103967  Isoetes nuttallii Jake Ruygt 1990-4-28 2517 Napa Bear Valley 655 Comment
  UC1239793  Isoetes nuttallii Joseph P. Tracy 1933-4-30 12113 Napa 3 - 4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt, La Jota Plateau 518 Comment
  UC1746157  Isoetes nuttallii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2760 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS106647  Jaumea carnosa Jake Ruygt 1979-7-29 786 Napa Fagan's Marsh 1 Comment
  SEINET2064754 Image available Juglans californica Royal D. Suttkus 1967-6-26 67 -3036 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  UC484304  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1800 Napa above Wooden Valley; Napa Range, Munson Ranch 304 Comment
  POM212280  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  UCD49097  Juglans hindsii Kook-Hyun Chung; C. Ineich, J. Deusterman, and M. Hauselt 2001-4-28 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd., 2 m N of road. 219 Comment
  CDA39577  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
  JEPS66906  Juncus balticus W. L. Jepson Jun 23 1918-Jun 24 1918 7664 Napa Calistoga Comment
  UCD81808  Juncus bolanderi Ellen Dean; Stephen Rae 2009-4-21 5435 Napa Along Friesen Lakes Road, NW of Anguin. 560 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
  JEPS126056  Juncus kelloggii Jake Ruygt 2005-4-30 4802 Napa Skyline Park, Marie Creek Trail. Mount George 7.5' Quad. 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
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga Comment
  UCD160712  Juncus occidentalis Ellen Dean; Jake Ruygt 2015-5-23 8771 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 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
  UC1103052  Juncus occidentalis J. P. Tracy 1902-5-26 1639 Napa near Calistoga; San Francisco Bay Region, Napa Valley 91 Comment
  JEPS122659  Juncus oxymeris Jake Ruygt 1996-5-31 3726 Napa South of James Creek road and Butts Canyon Road, Pope Valley. Quad: Aetna Springs. Comment
  UCD73494  Juncus patens Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC750690  Juncus patens Lewis S. Rose 1946-8-18 46264 Napa 3 mi ne Napa 60 Comment
  JEPS122668  Juncus xiphioides Jake Ruygt 1996-6-3 3741 Napa Jamieson Vineyards near South Kelly Road. Quad: Cordelia. Comment
  JEPS126106  Juniperus californica Jake Ruygt 1980-3-22 814 Napa Between Snell Valley and Big Basin. Aetna Springs 7.5' Qua. Comment
  CAS-BOT-BC236774  Keckiella breviflora H. E. McMinn 1922-6-8 207 Napa Along Pope Creek Comment
  JEPS128872  Keckiella corymbosa Jake Ruygt 1999-7-17 4206 Napa Mount Saint Helena fire road. Detert Reservoir 7.5' Quad. Comment
  JEPS10895  Keckiella lemmonii W. L. Jepson 1937-9-27 18573 Napa ne of St. Helena (on road to Sanitarium); Glass Mountain Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  UC421576  Keckiella lemmonii John Thomas Howell 1929-8-4 4356 Napa 1 mi below Samuels Springs; Napa Range, Pope Creek Canyon Comment
  POM222621  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, Napa Valley. Comment
  HSC93538  Koeleria macrantha G. Fred Hrusa, M. Rejmanek 1993-5-15 11006 Napa 225 Comment
  JEPS76091  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  UCD169865  Koeleria macrantha Daniel Potter; Peter Lash 2015-4-26 800 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UCD36946  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  UCD85793  Koeleria macrantha Beecher Crampton 1965-5-13 7334 Napa Conn Reservoir, 4.5 miles east of Rutherford. Comment
  CAS-BOT-BC499634  Kopsiopsis strobilacea Dan Axelrod 1929-6-29 s.n. Napa Lokoya Comment
  SD147586  Laburnum anagyroides Greg de Nevers, Susan Charnley 1987-6-19 8229 Napa Robert Louis Stevenson State Park, Mt. St. Helena. 750 Comment
  SEINET3073144 Image available Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
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Nov 25 2013
  SEINET7545154  Lagophylla dichotoma subsp. minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just S of Walters Spring Comment
Read comments
Mar 3 2018
  UC828868  Lagophylla minor John Thomas Howell 1939-4-30 14631 Napa Walter Springs Comment
  UCD118352  Lagophylla minor Reed Crane; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 387 Comment
  UCD48597  Lagophylla minor K. Mogel; B. Pekin and M. Higley 2002-5-4 15 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  CAS-BOT-BC341432  Lagophylla minor Peter H. Raven 1951-5-6 2821 Napa Silverado Trail 3/4 mile Conn Dam 152 Comment
  JEPS63235  Lamium amplexicaule W. L. Jepson 1910-3-28 4019 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  JEPS63243  Lamium amplexicaule Mrs. Clara A. Hunt 1909-3-24 Napa St. Helena Comment
  CAS-BOT-BC337893  Lasthenia John H. Thomas 1955-5-21 5130 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS106676  Lasthenia californica Jake Ruygt 1976-5-6 57 Napa 2.8 miles northeast of Westgate Dr. on Atlas Peak rd. 350 Comment
  CAS-BOT-BC338265  Lasthenia californica John Thomas Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles east of Napa Comment
  RSA113971  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Hot spring, Calistoga. Comment
  SD70553  Lasthenia conjugens Robert Ornduff 1960-4-26 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon road. Comment
  UCD63157  Lasthenia conjugens Jake Ruygt 1998-5-4 3963 Napa North of Suscol Creek; Suscol Hill. Comment
  JEPS35630  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga Comment
  UCD133773  Lasthenia gracilis J. D. Clark 1995-5-27 11 Napa on trail between 1/4 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  CDA4152  Lathyrus aphaca H. Stabo 1959-5-11 2373 Napa Kenneth Cairus property, St. Helena. 0 Comment
  RSA633346  Lathyrus aphaca Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. Comment
  UCD75721  Lathyrus hirsutus Jake Ruygt 1992-5-18 2982 Napa Yountville Ecological Reserve, Yountville Cross Rd. 27 Comment
  JEPS107269  Lathyrus jepsonii subsp. jepsonii Jake Ruygt 1999-6-8 4181 Napa Fagan's Slough Comment
  UCD167352  Lathyrus tingitanus James Neilson 1981-5-5 4025 Napa Along Hwy 29 about 1 mile into foothills of Mt. St. Helena north of Calistoga. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD75718  Lathyrus torreyi Jake Ruygt 2007-4-15 5153 Napa Las Posadas State Forest, upper Wildcat Canyon at hunting camp. 451 Comment
  UC1217065  Lathyrus vestitus var. vestitus Paul C. Hutchison 1963-3-3 2673 Napa 2 mi above St. Helena Sanitarium (along road to Pope Valley) Comment
  JEPS55366  Lathyrus vestitus var. vestitus Willis L. Jepson 1893-4-24 13636 Napa e of St. Helena; Napa River Basin Comment
  CAS-BOT-BC323199  Layia chrysanthemoides Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS106619  Layia chrysanthemoides Jake Ruygt 1990-4-20 2486 Napa near end of Henry Rd. 97 Comment
  UCD23376  Layia chrysanthemoides A. Bennett 1977-4-24 22 Napa 0.2 miles south of Knoxville Mine on Berryessa Knoxville Road. East of highway on level open field with many different cruciferous plants. Open meadow. Valley grassland. Comment
  HSC43963  Layia platyglossa Robert M. Specht 1977-4-11 621 Napa Along drainage of Pocock Creek 500 Comment
  UCD160043  Layia platyglossa Catherine Koehler 2012-4-2 s.n. Napa McLaughlin UC Reserve. WSW of Knoxville Mine site, along Knoxville-Berryessa Road. North side of road. 464 Comment
  CAS-BOT-BC215769  Lepechinia calycina W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  CAS-BOT-BC215774  Lepechinia calycina Milo S. Baker 1926-5-1 221 Napa 2 mi. S.e. of Inn, Mt. St. Helena Comment
  JEPS63268  Lepechinia calycina W. L. Jepson 1943-5-15 20776 Napa Knoxville Ridge Comment
  UCD19315  Lepechinia calycina M. A. Bibbo; E. Dean 2001-7-6 7 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, ca. 0.5 air miles from jct. with S Decker canyon rd. W (downslope) side of the road. 243 Comment
  JEPS48644  Lepidium dictyotum var. acutidens Elsa Kraeger 1926-3-27 Napa Calistoga, near geyser Calistoga Comment
  UC1561220  Lepidium latifolium Barbara Ertter with Annetta Carter 1989-5-28 8505 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road, n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  CAS-BOT-BC12926  Lepidium strictum A. A. Heller; H. E. Brown 1902-4-25 5363 Napa Near Napa. Comment
  UCSC009025  Leptosiphon androsaceus Dylan M. Neubauer 2015-4-24 127 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  POM146397  Leptosiphon aureus A. A. Heller 1924-4-12 I- 3850 Napa Hot springs at Calistoga Comment
  JEPS129165  Leptosiphon bolanderi Jake Ruygt 2015-3-21 6048 a Napa Missimer - Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UCD70480  Leptosiphon ciliatus P. J. Plummer 1995-5-29 s.n. Napa Napa County Sandy shore of Lake Berryesa. Herbs; flowers magenta with yellow throat. 121 Comment
  JEPS129093  Leptosiphon jepsonii Jake Ruygt 2016-4-26 6214 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  CAS-BOT-BC226720  Leptosiphon latisectus Alice Eastwood 1918-5-1 6851 Napa Mt. St. Helena Comment
  CHSC83406  Leptosiphon latisectus L. P. Janeway; B. Castro 2002-5-12 7540 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  UCD167233  Leptosiphon latisectus Jake Ruygt 2008-4-19 5294 Napa Cadlestick Ridge, Wildlake Ranch. 675 Comment
  RSA0081010  Leptosiphon parviflorus G. F. Hrusa, S. Larson 1995-4-10 12059 Napa Approx. 1 m. below bridge over Pope Creek, on Pope Canyon Rd. 175 Comment
  UCD118990  Leptosiphon parviflorus Carolyn Thomas 1974-4-14 10814 Napa near Yountville, close to Thomas Ranch. 274 Comment
  UCD49237  Leptosiphon parviflorus Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 25 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  UCD167236  Leptosiphon parviflorus Jake Ruygt 1986-4-29 1714 Napa 0.4 mile east of Flosden Road on American Canyon Road. 60 Comment
  JEPS20606  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa about 4 mi n of Calistoga Comment
  UCD69064  Lessingia nemaclada P. Rodriguez-Rojo 1997-5-31 Napa Butts Canyon Rd. 285 Comment
  UC1287463  Lessingia ramulosa Willard Spence 1962-7-20 719 Napa 2 mi nw Pope Valley (on the road to Aetna Springs) Comment
  UC570411  Lessingia ramulosa Chas. M. Belshaw and A. L. Mason 1936-9-20 2688 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD132704  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  RSA22231  Lessingia ramulosa G. Ledyard Stebbins 1936-9-19 2081 Napa About 5 miles northeast of Knoxville Comment
  UCD48078  Lewisia rediviva D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 8 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. top of hill, south of path. 548 Comment
  CDA32485  Leymus triticoides Robin Breckenridge 2008-5-5 PDR# 1313554 Napa Winters, Eastside Rd/Lake Berryessa. 0 Comment
  UC14914  Lilaea scilloides J. P. Tracy 1902-5-19 1548 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  JEPS122716  Lilium pardalinum Jake Ruygt 1984-6-23 1569 Napa St. Helena Creek near Livermore Road. Quad: Detert Reservoir. Comment
  UC917116  Limnanthes douglasii D. C. Finfrock 1950-4-4 10 Napa along roadside of State Hwy 29 Yountville (n edge of Yountville) Comment
  RSA739654  Limnanthes douglasii subsp. nivea John Dittes 2003-4-5 2003 -12 Napa Inner N Coast Range, Napa Valley, 1.6 air miles N by NW of Calistoga City Hall, 0.9 air mile NW of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Raod and Tubbs Lane. 122 Comment
  UC17898  Limnanthes douglasii subsp. nivea Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  JEPS110960  Linanthus androsaceus Jake Ruygt 1979-4-29 559 Napa .4 miles west of HWY 29 on Kortum Canyon Rd. 182 Comment
  JEPS110966  Linanthus bicolor Jake Ruygt 1996-4-13 3611 Napa Snell Valley Road at Stagecoach Canyon Road 179 Comment
  UC52757  Linanthus dichotomus J. P. Tracy 1899-6-14 431 Napa Howell Mt. Comment
  CAS-BOT-BC123069  Linanthus dichotomus subsp. meridianus John Thomas Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  HSC58977  Linanthus dichotomus subsp. meridianus G. E. Johnston 1974-4-4 1024 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  UCD167994  Linanthus dichotomus subsp. meridianus James A. Neilson Jr. 1977-4-13 3869 Napa 1 to 2 miles east Maple Springs along Oat Hill Mine Rd. (Exact location unknown, coordinates estimated by label maker.) Comment
  POM182740  Linanthus dichotomus subsp. meridianus D. D. Keck 1931-4-2 1044 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  POM260859  Linanthus dichotomus subsp. meridianus J. T. Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  SEINET7075539  Linanthus grandiflorus 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
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Jul 19 2018
  SEINET10697801 Image available Linanthus jepsonii Carol Goodwillie 1995-5-11 Goodwillie 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km. west of Hardin Road, and 60 meters north of vernal pool on north-facing, grassy slope. 256 Comment
  JEPS110968  Linanthus parviflorus Jake Ruygt 1986-3-29 1672 Napa Blue Ridge above Toll Canyon 432 Comment
  UC146063  Linanthus parviflorus H. P. Chandler 1907-4-25 7538 Napa Chiles Valley road Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  JEPS85050  Linanthus parviflorus Larry Heckard and Mary Ashton 1969-5-3 2214 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the n meadow) 510 Comment
  UC23784  Linanthus parviflorus Willis L. Jepson 1893-1 Napa Knights Valley road from Calistoga; Napa River Basin Comment
  JEPS110999  Linanthus pygmaeus subsp. continentalis Jake Ruygt 1996-4-12 3603 Napa Blue Ridge, north of Monticello Dam. 621 Comment
  POM182708  Linaria canadensis var. texana D. D. Keck 1931-4-2 1021 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD83725  Lithophragma affine Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 4 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 Comment
  JEPS47659  Lithophragma bolanderi Willis L. Jepson 1893-4-24 13470 Napa hills e St. Helena; Napa River Basin, e of St. Helena Comment
  UC11891  Lithophragma bolanderi W. L. Jepson 1893-4-24 Napa hills e St. Helena Comment
  CHSC20610  Lithophragma heterophyllum Carol C. Getzinger 1964-3-24 9 Napa Mt. Veeder Road, 2 miles south from junction with Dry Creek Road, near Pickle Can Creek. 548 Comment
  UC1196487  Lithophragma heterophyllum J. P. Tracy 1902-5-15 1470 Napa 3-4 mi e of Angwin's head of Moore's Creek; Howell Mountain, head of Moore's Creek 396 Comment
  CAS-BOT-BC342440  Logfia gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville 152 Comment
  UC165833  Logfia gallica J. P. Tracy 1902-5-17 1519 Napa 3-4 m e of Angwin' (head of Moore's Creek); Howell Mountain,Moore's Creek 365 Comment
  CAS-BOT-BC342437  Logfia gallica James McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  JEPS75993  Lolium multiflorum W. L. Jepson 1936-6-2 17610 Napa on e side of road <in> hills to e Yountville (Napa Valley); Napa Valley Comment
  JEPS104544  Lomatium californicum Jake Ruygt 1994-3-26 3334 Napa .4 mile south of Wooden Valley Croos Rd on Suisun Valley Road 79 Comment
  UCD149638  Lomatium caruifolium var. caruifolium Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD150868  Lomatium caruifolium var. caruifolium Robert E. Preston 1988-4-10 586 Napa ca. 0.6 mile ESE of the confluence of Putah and Hunting Creeks. 304 Comment
  JEPS122699  Lomatium caruifolium var. denticulatum Jake Ruygt 2004-5-1 4587 Napa Green Valley Ranch, northeast of ranch compound. Quad: Mt. George. Comment
  UCD19955  Lomatium dasycarpum E. A. Dean; Virginia Boucher 2002-2-28 904 Napa Quail Ridge Reserve. Along upper trail, north of stock pond near Quail Ridge tip. 0.25 airline miles NE of junction with West Rd. 304 Comment
  UCD20784  Lomatium dasycarpum V. (Shorty) Boucher 2002-3-27 3 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of the intersection of West and East roads, along upper Ridge road (just north of intersection of western Ashley easement road and Ridge Road). On the road through burned chaparral at the north tip of the peninsula. 320 Comment
  UCD148111  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-3-15 454 Napa South of Milliken Canyon near east end of Westgate Drive. 164 Comment
  UCD18025  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 571 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
  JEPS17136  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1900-3-10 517 Napa New Eden to Crystal Springs (Howell Mt.); Howell Mt. Comment
  LA202888  Lomatium hooveri Mildred E. Mathias; 1937-5-23 1298 Napa 1.9 mi. SE of Napa-Lake County line on road to Knoxville Comment
  JEPS104570  Lomatium macrocarpum Jake Ruygt 1981-5-13 1022 a Napa American Canyon, .2 mile east of Flosden Road 164 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
  UCD95930  Lomatium macrocarpum Ellen Dean; with Clare Loughran 2011-5-20 7060 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
  SD58377  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills, Napa Range Comment
  UCD67609  Lomatium marginatum D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Serpentine chaparral in Capell Creek. 250 Comment
  RSA452560  Lomatium marginatum var. purpureum Robert Gustafson, Don Reynolds 1983-6-7 2736 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC1197152  Lomatium marginatum var. purpureum J. P. Tracy 1899-6-13 413 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 365 Comment
  UC1224685  Lomatium marginatum var. purpureum G. Ledyard Stebbins 1964-5-24 6159 Napa 7 mi S of Pope Valley, on road to Lake Hennessy and Lake Berryessa 274 Comment
  POM264418  Lomatium marginatum var. purpureum J. C. Roos 1939-3-18 302 Napa Snell Valley Comment
  JEPS17528  Lomatium nudicaule Willis L. Jepson 1893-6-24 14316 Napa near Napa City (rd. to Napa Soda Springs, near Senator Miller's); Napa R. Basin Comment
  OBI8852  Lomatium nudicaule Willis L. Jepson 1893-6-14 14316 Napa Near Napa City; Road to Napa Soda Springs near Geualon Miller's Comment
  CAS-BOT-BC217801  Lomatium repostum Peter H. Raven 1951-6-10 2913 Napa Crater Regoin, E. of Mt. St. Helena 762 Comment
  POM298615  Lomatium repostum Lincoln Constance, J. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  RSA42338  Lomatium repostum Lincoln Constance, Davidson, Wagner, Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  UC1299238  Lomatium repostum Freed W. Hoffman 1947-6-17 1645 Napa North Coast Ranges, Dry Creek Comment
  UC735135  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  HSC44004  Lomatium utriculatum Robert M. Specht 1977-4-13 659 Napa 524 Comment
  JEPS104553  Lomatium utriculatum Jake Ruygt 1989-5-9 2319 Napa American Canyom, Avilla Ranch 121 Comment
  UC1197143  Lomatium utriculatum Joseph P. Tracy 1904-5-23 2084 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 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
  JEPS17558  Lomatium vaginatum W. L. Jepson 1893-5-2 14311 Napa Pope Valley grade from Calistoga; Napa Range, Napa River Basin Comment
  UCD148801  Lonicera Ellen Dean; Diana Hickson 2014-4-29 8108 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 592 Comment
  JEPS85045  Lotus Larry Heckard and Mary Ashton 1969-5-3 2189 Napa ca 7 mi ne Napa (Mead Ranch, off Atlas Peak Rd) 457 Comment
  UC1300905  Lotus micranthus Helen K. Sharsmith 1963-3-17 5215 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCR30812  Lotus micranthus John C. Roos 1939-4-16 315 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  SEINET7073050  Lotus purshianus A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UC1300862  Lotus purshianus var. purshianus Helen K. Sharsmith 1962-6-3 5102 Napa Napa to Soda Springs road; San Francisco Bay Region 152 Comment
  POM66958  Lotus wrangelianus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD167267  Ludwigia palustris Jake Ruygt 1992-6-2 3015 Napa Leoma Lakes, Wild Horse Valley Ranch. 402 Comment
  UCD65967  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-18 07- 107 -LU Napa Roadside drain along Solano Ave west of Hwy 29 between Vinters Golf Club and Hoffman Lane crossing, Yountville, CA. 23 Comment
  JEPS122705  Lupinus affinis Jake Ruygt 2005-3-28 4720 Napa Monticello Road, near large road cut, south of Circle Oaks. Quad: Capell Valley. Comment
  HSC14767  Lupinus albifrons Greg Bos 1963-3-3 22 Napa W shore of Lake Berryesa, S slope of Hill. 183 Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  UCD144412  Lupinus albifrons G. F. Hrusa 1995-4-2 12048 Napa 1 mile northeast of corner of Chiles-Pope Valley Road and Highway 128 heading up Salt Canyon, upper end of Hennessey Res., on Highway 128. 200 Comment
  UCD162090  Lupinus albifrons Dylan O. Burge 2014-3-15 1487 Napa Mount Saint Helena. 850 Comment
  CAS-BOT-BC201552  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-5 47202 Napa Cordelia, 3.4 miles west, Highway 40 Comment
  CAS-BOT-BC201554  Lupinus albifrons var. albifrons L. R. Abrams 1928-5-4 12275 Napa Mt. St. Helena toll house Comment
  JEPS107231  Lupinus bicolor Jake Ruygt 1982-4-25 1204 a Napa Aetna Springs below Swartz Canyon 246 Comment
  JEPS64988  Lupinus bicolor Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UCD33703  Lupinus bicolor Beecher Crampton 1972-4-19 8790 Napa 3 miles north of Moskowite Corner at the north end of Capell Valley. Comment
  UCD107256  Lupinus bicolor Freed W. Hoffman 1947-4-9 1360 Napa North Coast Ranges, Bucksnort Creek. Comment
  OBI25607  Lupinus chamissonis R. L. Hoover 1968-4-11 20 Napa One block W of hwy 1 on Palm Ave, Marina Comment
  UC127048  Lupinus formosus Willis L. Jepson 1893-9-24 Napa Angwin's Meadows, Howell Mt. Napa River Basin Comment
  UC15861  Lupinus formosus var. formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  UCD167062  Lupinus formosus var. formosus Jake Ruygt 2000-7-31 4279 Napa Napa, Trancas Street at Villa Lane. 14 Comment
  UCD108110  Lupinus latifolius K. Esau; E. Hyde 1940-5-25 s.n. Napa Exact location unknown. Comment
  RSA10670  Lupinus latifolius subsp. latifolius Carl B. Wolf 1928-5-3 1819 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC142911  Lupinus latifolius var. latifolius Katharine Brandegee 1910-5-18 Napa near the Toll House Mt. St. Helena; , near the Toll House Comment
  CHSC79163  Lupinus microcarpus Beecher Crampton 1954-5-6 1833 Napa Hwy. 37, 9 miles south of Monticello. Comment
  SEINET239734  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa Rocky roadside CA 128 E. 7.4 mi E jct. Hwy 29 in Ruthford. 3.6 mi w jct. lower Chiles Valley Rd. Comment
  OBI48336  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  CHSC108727  Lupinus microcarpus var. microcarpus B. Castro; L. P. Janeway 2002-5-12 1371 Napa Inner North Coast Ranges. CA 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. 536 Comment
  UCD47990  Lupinus microcarpus var. microcarpus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-29 19 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  JEPS65381  Lupinus nanus W. L. Jepson 1937-4-10 18003 Napa Howell Mt.; Howell Mt., Adam-and-Eve Ridge Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  JEPS81601  Lupinus nanus R. Raiche 1982-3-7 20191 Napa on Chiles and Pope Valley Road 1.3 mi n Sage Canyon Road; n of Sage Canyon Rd on Chiles and Pope Valley Rd Comment
  SEINET11548759  Lupinus nanus Heather Schneider, Sharma, Manju 2015-1 621- 20150426 -1V Napa Quail Ridge Reserve; about 6 miles NE of Vacaville 226 Comment
  UCD108963  Lupinus nanus K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. 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
  SEINET7042698 Image available Lupinus nanus A. G. Vestal 1941-5-11 s.n. Napa Along Southern Pacific Rail Road 1 mile south of Saint Helena. Rutherford quadrangle UTM Zone 10, 548193mE, 4259900mN. Comment
  SEINET10969715  Lupinus nanus subsp. latifolius Baker 1903-4-19 Baker 1990 Napa Calistoga. Large tufts abundant in meadows. Comment
  SEINET11091434 Image available Lupinus nanus var. apricus Ilsa M. Schmelzinger 1971-5-1 15 Napa McDonald Ranch, 11.2 miiles north-west of junction of Highway 128 and Chiles Road Comment
  POM10633  Lupinus polycarpus C. F. Baker 1903-4-19 1988 Napa Calistoga. Comment
  CAS-BOT-BC202221  Lupinus sericatus Charles Piper Smith 1948-6-3 48311 Napa Highway 29 - Stevenson Place, 0.4 miles north Comment
  UCD18164  Lupinus succulentus 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
  UCD47980  Lupinus succulentus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 17 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  JEPS67202  Luzula macrantha W. L. Jepson 1936-7-2 17641 Napa Angwin Meadow Napa Range, Howell Mountain Comment
  CAS-BOT-BC441245  Luzula macrantha Peter H. Raven 1953-3-29 5220 Napa Hills east of Imola 121 Comment
  UCD149681  Luzula subsessilis Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  JEPS112657  Lythrum hyssopifolia Jake Ruygt 1979-6-14 694 Napa Marina Dr., Napa 4 Comment
  UCD103046  Lythrum hyssopifolia Mr. Parrish 1941-6-25 s.n. Napa Napa County. Comment
  UC127121  Madia elegans Harley P. Chandler Sep 7 1906-Sep 14 1906 7131 Napa Howell Mountain Alta Loma Ranch 487 Comment
  JEPS7502  Madia elegans W. L. Jepson 1939-9-12 19485 Napa w St. Helena; Spring Mountain Comment
  JEPS129025  Madia elegans subsp. densifolia Jake Ruygt 2016-7-23 6292 Napa Smittle Creek, west side of Lake Berryessa. Chiles VAlley 7.5' Quad. Comment
  JEPS106546  Madia exigua Jake Ruygt 1982-5-15 1258 Napa Stags Leap-Soda Canyon 426 Comment
  RSA654108  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  JEPS106548  Madia gracilis Jake Ruygt 1986-6-9 1809 Napa 4.5 miles north of Westgate Dr.on Atlas Peak Rd. 451 Comment
  CAS-BOT-BC345043  Madia sativa Peter H. Raven 1951-8-19 3847 Napa Near Lokoya 487 Comment
  CAS-BOT-BC345052  Madia sativa David D. Keck 1933-11-10 2717 Napa Calistoga Comment
  JEPS106678  Madia sativa Jake Ruygt 1990-5-11 2536 c Napa Green Island Road at first bend 3 Comment
  CAS-BOT-BC345046  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  CAS-BOT-BC345054  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa Comment
  RSA51298  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1732 Napa Wooden Valley grade above Napa 305 Comment
  JEPS122763  Malacothamnus fremontii Jake Ruygt 2008-7-19 5360 Napa Eticuera Creek, at Long Canyon. Quad: Knoxville. Comment
  UCD167283  Malacothamnus fremontii Jake Ruygt 2003-6-21 4552 Napa West of Berryessa Knoxville Road near mouth of Foley Creek. 329 Comment
  UC518945  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa s of Walters Springs (Pope Creek bridge); Pope Creek Comment
  UC527941  Malacothrix floccifera R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6677 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UC831138  Malacothrix floccifera Alice Eastwood and John Thomas Howell 1939-6-11 7423 Napa sw of Oakville; Mt. Hood Range Comment
  UCD18099  Malacothrix floccifera Ellen Dean; with PLB 102 class 2000-4-29 755 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
  JEPS122718  Malva nicaeensis Jake Ruygt 1977-5-10 220 Napa Southwest corner of Suscol Avenue and Trancas Street. Quad: Napa Comment
  UCD116603  Malva nicaeensis David Lawfer 1952-4-28 153 Napa Napa. Comment
  POM339533  Marah fabacea F. R. Fosberg 1967-4-1 48412 Napa Hills just south of Lake Berryessa Comment
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  UCD18053  Marah watsonii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 606 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCR242400  Marah watsonii Ellen Dean, Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 606 Napa North Coast Range, McLaughlin Reserve, c. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along the old road that climbs up ridge on east side 537 Comment
  UCD164760  Marah watsonii Jake Ruygt 2004-3-4 5915 Napa Sutro Ranch, Atlas Peak. 685 Comment
  CAS-BOT-BC348059  Matricaria discoidea Peter H. Raven 1953-5-2 5363 Napa Yountville 76 Comment
  UCD13126  Medicago arabica Kathleen Worden 1981-4-28 3 Napa Napa CO. on highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  UCD20830  Medicago polymorpha N. Nicola 2001-3-30 046 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  HSC43991  Melica californica Robert M. Specht 1977-4-19 686 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS122951  Melica californica Jake Ruygt 1984-5-3 1540 Napa Bell Canyon. Quad: Saint Helena. Comment
  SACT001488  Melica californica John Willoughby 1977-4-20 Napa Below and just to the south of Mount Vaca. Rocky areas in chaparral. 609.6 Comment
  UC771210  Melica californica W. S. Boyle 1942-4-25 1071 Napa 10 mi n Napa (on the Silverado Trail road) Comment
  UCD170674  Melica californica Matthew Conner; Plant Science 102 class 2018-4-28 10 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
  POM262893  Melica californica var. nevadensis J. C. Roos 1939-4-15 319 Napa Pope Valley. Comment
  CAS-BOT-BC282163  Melica geyeri John Thomas Howell 1940-5-19 15448 Napa Upper St Helena Creek Comment
  CAS-BOT-BC282166  Melica geyeri J. P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles E of Angwin's 396 Comment
  UCD87302  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St. Helena Grade. Comment
  SEINET4671608  Melica geyeri W. Boyle 1942-4-25 1072 Napa Along the Silverado Trail Road 7 miles south of Calistoga Comment
  CHSC30531  Melica geyeri var. aristulata N. E. H. Prouty 1980-4-12 124 Napa Along Hwy. 29, roadmarker 41.12. Ca. 4 1/2 mi. SW of Robert Louis Stevenson State Park. Western slope of Mt. St. Helena. 243 Comment
  UCD73403  Melica imperfecta Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC264218  Melica torreyana D. H. Esplin; Bolander 1969-4-30 19 Napa Pope Valley near Lake Berryessa 121 Comment
  CHSC83356  Melica torreyana L. P. Janeway; B. Castro 2002-5-12 7541 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  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
  SBBG115838  Melica torreyana B. Crampton 1958-4-29 4756 Napa Capell Crks, N end of Capell Valley Comment
  SBBG29012  Melica torreyana B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UC53664  Melica torreyana W. L. Jepson 1896-6-2 Napa Conn Ridge Comment
  UCD117786  Melica torreyana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD18072  Melica torreyana Ellen Dean; with Plant Biology 102 class 2000-4-22 627 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  CHSC102536  Melilotus indicus Lowell Ahart 2009-10-27 16487 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
  CHSC83412  Melilotus indicus L. P. Janeway; B. Castro 2002-5-12 7534 Napa Inner North Coast Ranges. Flats along the small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD20708  Mentha pulegium Mark Bibbo 2002-7-28 78 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  JEPS63441  Mentha spicata Willis L. Jepson August, 1892 14927 Napa Napa Valley Comment
  JEPS112573  Mentha spicata var. spicata Jake Ruygt 1979-7-12 748 Napa 1.4 miles SW of HWY 128 on Monticello Rd 249 Comment
  CAS-BOT-BC428858  Micranthes californica Alice Eastwood 1922-3-25 11093 Napa Calistoga Comment
  CAS-BOT-BC348541  Micropus californicus var. californicus John H. Thomas 1955-5-21 5145 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS85049  Micropus californicus var. californicus Larry Heckard and Mary Ashton 1969-5-3 2218 Napa off the Atlas Peak Rd ca 7 mi ne Napa; Mead Ranch 510 Comment
  RSA695590  Micropus californicus var. californicus Keith E. Hoffmaster 1946-4-13 1048 Napa Putah Canyon, Coast Range Comment
  CAS-BOT-BC348968  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-19 6449 Napa Conn Valley Comment
  CAS-BOT-BC348970  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  UC50033  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  POM41560  Microseris douglasii subsp. tenella Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD118906  Microsteris gracilis D. C. Finfrock 1950-4-2 13 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  JEPS101494  Mimulus angustatus Dean W. Taylor 1998-6-3 16453 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UC1731236  Mimulus angustatus Dean W. Taylor 1998-6-23 16696 Napa ca. 5 air mi w Aetna Springs (headwaters Swartz Canyon; south flanks Twin Peaks); Mayacamas Mtns, NCoRO, Swartz Canyon, Twin Peaks 716 Comment
  UCD122156  Mimulus angustatus Kim E. Steiner 1978-4-29 204 Napa Rancho La Jota, 0.4 mi S of Las Posadas State Forest fire station entrance. 563 Comment
  JEPS11535  Mimulus arvensis W. L. Jepson 1915-4-23 6238 a Napa hills e St. Helena 182 Comment
  UCD14919  Mimulus aurantiacus Robert Giorgis 1977-4-17 11 Napa California, Napa Co.; 20 meters northwest of Highway 128, 1 mi. west of Monticello Dam; Comment
  UCD159948  Mimulus aurantiacus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD169888  Mimulus aurantiacus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 727 Napa Knoxville Wildlife Area. 311 Comment
  UCD122209  Mimulus aurantiacus Alan P. Godlewski 1974-5-3 19 Napa 100 yards from hiway 128. Comment
  HSC72431  Mimulus aurantiacus var. aurantiacus J. P. Smith, J. O. Sawyer 1970-5-17 3774 Napa 3 mi. S of Pope Valley 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
  JEPS110613  Mimulus congdonii Jake Ruygt 2001-3-17 4295 Napa Putah Creek near Berryessa Estates 182 Comment
  JEPS128874  Mimulus douglasii Jake Ruygt 1999-5-15 4157 b Napa North side of Ritchey Canyon, near Bothe State Park. Calistoga 7.5' Quad. Comment
  JEPS10573  Mimulus douglasii Willis L. Jepson 1893-3-13 60 m Napa hills e St. Helena; Napa River Basin, Howell Mt. foothills Comment
  OBI9446  Mimulus guttatus R. L. Hoover 1968-4-20 59 Napa NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds 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
  SEINET7041071  Mimulus guttatus Christopher T. Ivey 2002-4-30 362 Napa Along margins of Smittle Creek near Lake Berryessa in the Smittle Creek Recreation Area, 8.6 mile north of Highway 128 on Knoxville-Berryessa Road. Comment
  SEINET7057279  Mimulus guttatus Christopher T. Ivey 2003-11-29 364 Napa Specimen grown in greenhouse from wild-collected seed. Population occured along sream margin feeding Racoon Lagoon at north end of Lake Berryessa, about 4.5 mile north of Pope Canyon Road on Berryessa-Knoxville Road. Comment
  UC27065  Mimulus inodorus Willis L. Jepson 1895-11-26 Napa Angwin's Meadow Napa River Basin Comment
  UCD21582  Mimulus kelloggii K. Esau 1933-4-14 s.n. Napa Calistoga, near Petrified Forest. Comment
  UCD63063  Mimulus microphyllus Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville-Berryessa Road between Moskowite Corner and Spanish Flat. 190 Comment
  UCD96585  Mimulus microphyllus Dena Grossenbacher; Brian Green 2008-5-29 852 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  UC147911  Mimulus nasutus J. P. Tracy 1902-5-15 1472 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD122792  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  JEPS110595  Mimulus pilosus Jake Ruygt 1998-8-29 4110 Napa Berryessa-Knoville Road, Eticuera Creek 268 Comment
  CDA11430  Mimulus pulsiferae G. F. Hrusa, M. Tu 1995-5-6 12153 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  UC1301217  Minuartia californica Helen K. Sharsmith 1963-3-17 5225 Napa Mt. Atlas San Francisco Bay Region (s side) 609 Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 Comment
  CAS-BOT-BC388619  Minuartia douglasii Peter H. Raven 1953-3-29 5223 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC388753  Minuartia douglasii Carl B. Wolf 1928-5-3 1791 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC388756  Minuartia douglasii Alice Eastwood 1918-5-1 6834 Napa Mt. St. Helena Comment
  UCD118629  Minuartia douglasii Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and just north of Recreation Flat, on south facing slope. 389 Comment
  CAS-BOT-BC388762  Minuartia douglasii Betty H. Johnson 1958-6-15 611 Napa Slope near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  CDA34679  Mollugo verticillata L. Ahart 2009-10-27 16499 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  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-BC220613  Monardella villosa H. E. McMinn 1923-5-26 976 Napa Along Eticuera Creek tributary to Putah Creek Comment
  CAS-BOT-BC220616  Monardella villosa Peter H. Raven 1950-6-20 2342 Napa In the Napa Range between Conn Valley & the Summit of Howell Mtn., Napa Range Comment
  CAS-BOT-BC220693  Monardella viridis Peter H. Raven 1952-6-28 4202 Napa Conn Valley 137 Comment
  UCD170469  Monardella viridis Daniel Potter; Ninh Khuu 2016-6-18 898 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  CAS-BOT-BC220696  Monardella viridis Willie Fottrell 1906-7-1 s.n. Napa Napa redwoods Comment
  JEPS110825  Monardella viridis subsp. viridis Jake Ruygt 1982-7-18 1368 Napa Cedar Roughs near Guilliam Springs 298 Comment
  UCD170447  Monolopia major Daniel Potter; Ninh Khuu 2017-5-14 919 Napa Knoxville Wildlife Area, along Nevada Creek. 330 Comment
  JEPS77947  Montia fontana Edward Lee 1936-3-15 1814 Napa 10.7 mi out of Rutherford (Rutherford-Pope Valley Road) Comment
  JEPS43263  Montia fontana W. L. Jepson Apr. 1893 Napa Napa Valley Comment
  JEPS43266  Montia fontana Willis L. Jepson May 1893 Napa Upper Napa Valley, Calistoga Calistoga; Napa River Basin, Upper Napa Valley, Calistoga Comment
  JEPS120375  Morus alba Jake Ruygt 1989-9-25 2412 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC515123  Muilla maritima John Thomas Howell 1926-3-27 1760 Napa Myrtledale Hot Springs, near Calistoga Comment
  UCD19937  Myriophyllum sibiricum E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 795 Napa Quail Ridge Reserve. Gorwing along margin of Lake Berryessa. 121 Comment
  CAS-BOT-BC259964  Nassella lepida Peter H. Raven 1951-6-26 3053 Napa Wooden Valley Grade 304 Comment
  SEINET11695741  Nassella lepida Unknown 1956-5-25 3481 Napa Howell Mountains, above SW corner of Wooden Valley Comment
  CAS-BOT-BC260175  Nassella pulchra Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5331 Napa Pope Creek E of Samuels Springs 91 Comment
  UC187237  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD17999  Nassella pulchra Ellen Dean; with Plant Biology 102 class 2001-4-28 730 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD87466  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  SEINET196212  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa Tributary of Putah Creek, Pope Valley Comment
  UC963810  Navarretia cotulifolia H. L. Mason 1933-4-30 7223 Napa n of Aetna Springs (near Napa-Lake county line); Inner North Coast Range Comment
  POM180787  Navarretia divaricata subsp. vividior J. T. Howell 1930-7-13 5347 Napa On the edge of the Crater Country Comment
  UCD48411  Navarretia heterodoxa Heidi E. M. Dobson 1978-6-29 346 Napa California, Napa County: East slope of Mt. Veeder. Comment
  POM258871  Navarretia heterodoxa J. T. Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  UCD167177  Navarretia heterodoxa Jake Ruygt 1982-6-19 1329 Napa Soda Canyon west of grade. 396 Comment
  UC908407  Navarretia intertexta Herbert L. Mason 1935-5-30 8329 Napa between Lower Lake and Knoxville mine (Napa-Lake counties) Comment
  JEPS120320  Navarretia intertexta subsp. intertexta Jake Ruygt 2006-6-11 5049 Napa Southwest part of Walnut Flat, near Wildlake. Saint Helena 7.5' Quad. Comment
  JEPS129053  Navarretia intertexta subsp. intertexta Jake Ruygt 2016-6-11 6286 Napa Wantrup Wildlife Preserve. Chiles Valley 7.5' Quad. Comment
  UCD167181  Navarretia intertexta subsp. intertexta Jake Ruygt 1987-6-15 2019 Napa Wild Horse Valley Ranch. 502 Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  JEPS112558  Navarretia leucocephala subsp. pauciflora Jake Ruygt 1998-6-8 4016 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  JEPS112556  Navarretia mellita Jake Ruygt 1985-6-15 1611 Napa SW of Rancho Monticello on ridgeline 365 Comment
  UCD167131  Navarretia paradoxinota Jake Ruygt 2015-5-23 6113 Napa Missimer - Snell Valley Preserve. 178 Comment
  UC130855  Navarretia pubescens Katharine Brandegee 1909-6-1 Napa grade from Calistoga Pope Valley Comment
  UCD167195  Navarretia pubescens Jake Ruygt 2010-6-5 5591 Napa Snell Valley, Missimer Preserve, 33 acre addition. 176 Comment
  UCD36307  Navarretia pubescens Beecher Crampton 1953-5-19 1309 Napa 4 miles south of Monticello, along Highway 128. Comment
  JEPS123265  Navarretia rosulata David Gowen with Jake Ruygt 2011-6-11 1157 Napa Cedar Roughs. Comment
  UCD167199  Navarretia squarrosa Jake Ruygt 1982-7-18 1375 Napa Deer Park Road at Four Corners. 414 Comment
  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
  JEPS70479  Navarretia tagetina W. L. Jepson 1930-10-19 15689 Napa Pope Valley Comment
  SEINET196694  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Tributary of Putah Creek, Pope Valley. Comment
  UC908083  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa tributary of Putah Creek Pope Valley, Putah Creek Comment
  UCD48635  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Talus soil along road, tributary of Putah Creek, Pope Valley, Napa County, California. Comment
  JEPS70510  Navarretia viscidula Willis L. Jepson 1903-9-6 2347 Napa St. Helena Napa River Basin Comment
  JEPS106577  Nemacladus capillaris Jake Ruygt 1992-6-13 3034 Napa Bear Valley, on road, west of creek 633 Comment
  JEPS129070  Nemophila heterophylla Jake Ruygt 2016-3-26 6166 Napa Wantrup Wildlife Preserve. Saint Helena 7.5' Quad. Comment
  JEPS3146  Nemophila heterophylla L. Constance 1938-4-22 2134 Napa above Dry Creek 2 mi w Yountville (Miyakma Mountains, North Coast Ranges); North Coast Ranges, Miyakma Mountains, above Dry Creek 457 Comment
  RSA60779  Nemophila heterophylla L. R. Abrams 1928-5-3 12235 Napa Summit St. Helena Grade Comment
  UCD120062  Nemophila heterophylla G. L. Webster 1967-3-23 7488 Napa Along Chiles Creek c. 1 mi SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  RSA10661  Nemophila heterophylla Carl B. Wolf 1928-5-3 1828 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UC606891  Nemophila heterophylla L. Constance 1938-3-27 2035 Napa e slope 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UCD68105  Nemophila heterophylla Cheryl Gillespie 1981-4-18 3 Napa Knoxville Road, 8.9 miles North of the intersection with Pope Canyon Road. Comment
  UCD23404  Nemophila menziesii Eva Kurth 1977-4-24 199 Napa Proximal part of petals white, distal part sky blue, with longitudinal rows of small purple spots. In full sun in meadow. Berryessa Knoxville Rd. 2.3 miles SE of Knoxville Mine. 304 Comment
  UCD23407  Nemophila menziesii Karin Staaf 1977-4-16 7 Napa 6.4 miles SW of Monticello Dam, in a small shallow canyon on south side of Highway 128. Plants 3 inches tall, herbaceous. Flowers white/blue. Growth upright to low and creeping. Growing in open, sunny, grassy meadow. Soil clay like. Comment
  SEINET9351968  Nemophila menziesii var. atomaria Unknown 1933-4-2 91 Napa Napa Co., CA Comment
  JEPS110844  Nemophila menziesii var. menziesii Jake Ruygt 1996-3-23 3531 Napa .3 mile from Pope Canyon Road on Hardin Road, near airstrip. 184 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
  UCD120254  Nemophila menziesii var. menziesii L. P. Thibault 1995-5-21 48 Napa South side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  CAS-BOT-BC219384  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  JEPS110870  Nemophila pedunculata Jake Ruygt 1992-3-28 2868 Napa Snell Valley just west of Stagecoach Canyon Rd. 188 Comment
  RSA769212  Nicotiana acuminata L. Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS12278  Nicotiana acuminata var. multiflora W. L. Jepson 1939-9-11 19475 Napa near St. Helena (flats near Napa River) Comment
  UC419706  Nicotiana acuminata var. multiflora Mrs. H. P. Bracelin 1930-1 113 Napa near entrance Conn Creek (Sage Canyon); Sage Canyon 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
  POM180778  Nicotiana bigelovii J. T. Howell 1930-9-19 5601 Napa Conn Creek near entrance of Sage Canyon, Napa Valley. Comment
  JEPS115850  Nicotiana quadrivalvis Lowell Ahart 2009-10-12 16454 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 437 Comment
  JEPS12271  Nicotiana quadrivalvis Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  JEPS12388  Nicotiana quadrivalvis Willis L. Jepson Nov 26 1895-Nov 27 1895 21247 Napa White Sulphur Springs; Napa Valley, Napa River Basin Comment
  SBBG28937  Nuttallanthus texanus D. D. Keck 1931-4-2 1021 Napa Wooden Valley Grade, west side of Napa Range, 5 mi NE of Napa 170 Comment
  UCD67960  Nuttallanthus texanus Arlene Johnston 1974-5-11 90 Napa Napa. Bodega Bay. Stabilized dunes. Coastal Strand Plant Association, dominated by Lupinus arboreus. Sandy soil, on steep slope, dry area in full sun. Annual herb, 5-12 cm high. Rare. 30 Comment
  CAS-BOT-BC140166  Oemleria cerasiformis Alice Eastwood 1922-5-5 11294 Napa Mt. St. Helena Comment
  JEPS43956  Oenothera elata subsp. hirsutissima W. L. Jepson 1895-11-26 14492 Napa White Sulphur Springs Creek bed Napa Valley Comment
  UCD167625  Orobanche uniflora Jake Rugyt 1980-4-22 844 Napa 8.9 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 198 Comment
  UC1125595  Orobanche uniflora subsp. occidentalis Beryl O. Schreiber 1938-4-24 2498 Napa Wooden Valley Grade, 5.2 mi NNE of Napa. Napa 7.5' Quad. Comment
  UC1197452  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1902-5-16 1494 Napa Northern Coast Ranges. Howell Mountain, at head of Moore's Creek, 3-4 miles east of Angwin's. Comment
  JEPS10847 Image available Orobanche uniflora var. uniflora W. L. Jepson 1893-4-28 Napa Tranchos Creek (Milliken Creek of later maps) Napa River Basin, Napa Range (banks of gorge); Tranchos Creek, (Milliken Creek), Napa River Basin Comment
  POM43749  Orthocarpus faucibarbatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA101987  Orthocarpus lithospermoides Frank W. Johnson 1890-5-27 260 Napa Napa Valley. Comment
  RSA195330  Orthocarpus lithospermoides var. bicolor Gilbert Muth 1967-5-25 701 Napa [No location information provided.] 15 Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  JEPS23648  Packera clevelandii W. L. Jepson 1897-7-12 Napa near Samuel's Springs; Pope Creek Comment
  SEINET9352078  Packera clevelandii Unknown 1993-10-3 11425 Napa Moist edges of stream w/n stand of Cupressus sargentii. 2.6 mi SW along Knowville-Devilhead Rd from Knoxville-Berryessa Rd. Comment
  UC221396  Packera clevelandii H. M. Hall 1923-10-14 11943 Napa 8 mi n Pope Valley 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
  SEINET11744634 Image available Packera clevelandii J. P. Tracy 1905-7-6 2221 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's 366 Comment
  UCD37945  Packera eurycephala Beecher Crampton 1962-5-16 6427 Napa 0.75 mile E of Aetna Springs. Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  UCD134774  Packera eurycephala K. Esau; E. Hyde 1936-5-14 s.n. Napa Napa Valley. 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
  JEPS17411  Packera eurycephala var. eurycephala W. L. Jepson 1938-5-22 18835 Napa Pope Valley Comment
  UCD161314  Packera eurycephala var. eurycephala Jake Ruygt 1979-5-20 615 Napa Mt. St. Helena. (Coordinates estimated by label maker at UC Davis). 1036 Comment
  UC577240  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa 1 mi below Samuels Springs; Pope Creek Comment
  JEPS106859  Packera greenei Jake Ruygt 1996-6-1 3734 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 377 Comment
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  SD64424  Packera greenei Darley F. Howe 1966-6-3 4265 Napa 14 miles south of Middletown 305 Comment
  SDSU491  Packera greenei D. F. Howe 1966-6-3 4265 Napa 14.0 miles south of Middletown. 305 Comment
  JEPS122913  Panicum capillare Jake Ruygt 2004-9-21 4668 Napa 1 mile south of Turtle Rock cafe on Highway 128. Quad: Yountville. Comment
  JEPS122959  Parapholis incurva Jake Ruygt 1993-5-8 3252 Napa South of Fagan Slough near edge of Napa Marsh. Quad: Cuttings Wharf. Comment
  JEPS106391  Parvisedum pumilum Jake Ruygt 1977-5-1 201 Napa east end of Westgate Drive, Silverado Country Club 121 Comment
  UCD88729  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  UC218897  Passiflora caerulea Katharine Brandegee 1910-7-11 Napa Calistoga Comment
  UCD17972  Pectocarya pusilla Ellen Dean; Kate Mawdsley 2001-4-9 691 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
  JEPS110745  Pedicularis densiflora Jake Ruygt 1990-2-24 2437 Napa Mt. George 246 Comment
  UCD123329  Pedicularis densiflora H. Popenoe 1949-5-1 18 Napa 1 mile from Pacific Union College, beside road to Pope Valley. Comment
  UCD17996  Pedicularis densiflora Ellen Dean; Kate Mawdsley 2001-4-9 682 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 243 Comment
  UC1278029  Pedicularis densiflora B. Crampton 1953-2-26 989 Napa about 6 mi e of Monticello (above Putah Creek, along State Hwy 128) Comment
  UC57304  Pellaea andromedifolia J. P. Tracy 1902-5-22 1624 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 365 Comment
  UCD73415  Pellaea andromedifolia 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
  RSA602575  Pellaea mucronata L. C. Wheeler 1952-8-30 6882 Napa Manganese Ridge. Moore Creek, Howell Mountain 366 Comment
  UCD67770  Pellaea mucronata var. mucronata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve, at Hunting Canyon. 680 Comment
  UCD40894  Penstemon heterophyllus Katherine Countrey 1983-5-29 20 Napa On Berryessa-Knoxville Rd. 3 miles northwest of Knoxville. 304 Comment
  NY601710  Penstemon heterophyllus var. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa 200 Comment
  JEPS7571  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1923-6-3 9970 Napa Calistoga Napa Valley, Calistoga Comment
  SEINET12329993  Penstemon newberryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -305 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC245715  Penstemon newberryi var. sonomensis Belle R. Jackson 1930-6-20 s.n. Napa At the monument, summit of Mt. St. Helena Comment
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Jan 13 2018
  NY627435  Penstemon newberryi var. sonomensis A. A. Heller 1941-5-3 16086 Napa Mt. St. Helena, about halfway up along the road leading to the summit Comment
  UC887189  Penstemon newberryi var. sonomensis Milo S. Baker 1940-5-1 9576 Napa ca 2 1/2 mi s St. Helena Inn (and 800 ft higher); North Bay Counties, s of St. Helena Inn Comment
  UCD20424  Pentachaeta alsinoides E. Dean; w/ PLB 102 class 2002-5-4 1011 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
  JEPS12439  Perideridia kelloggii W. L. Jepson 1915-4-23 6252 Napa Conn Valley Napa Range Comment
  UC106526  Perideridia kelloggii Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD167138  Perideridia oregana Jake Ruygt 2015-5-23 6109 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS120312  Persicaria hydropiperoides Jake Ruygt 1992-8-6 3122 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  UCD149578  Persicaria hydropiperoides 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
  UC917309  Petrorhagia dubia R. L. Smith 1948-5-8 Napa 6 mi N of Aetna Springs, Pope Valley 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
  UCD98375  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles east of intersection of Hwy 128 and Chiles Pope Valley Road. 487 Comment
  UCD120398  Phacelia distans K. Esau 1938-4-13 s.n. Napa Highway between Monticello and Napa. Comment
  JEPS2378  Phacelia distans W. L. Jepson 1924-5-8 10412 Napa Pope Creek Comment
  UCD169611  Phacelia heterophylla subsp. virgata 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
  UCD170812  Phacelia heterophylla subsp. virgata 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  JEPS2164  Phacelia imbricata W. L. Jepson 1938-5-18 18797 Napa Howell Mtn. Napa Range Comment
  UC672717  Phacelia imbricata W. S. Boyle 1942-4-25 1069 Napa 10 mi from Napa (1/4 mi e of Silverado Trail rd to Calistoga) Comment
  UC735110  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3047 Napa near Mount St. Helena Inn (se slope of mt.); Mount St. Helena Comment
  UC735081  Phacelia mutabilis Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3044 Napa se slope of mt. near Mount St. Helena Inn; Mount St. Helena Comment
  SD72097  Phacelia nemoralis John Thomas Howell 1937-7-4 13061 Napa Looden Valley Grade. Comment
Read comments
May 31 2018
  CAS-BOT-BC265791  Phalaris aquatica Peter H. Raven 1951-6-24 3034 Napa Napa 30 Comment
  JEPS71124  Phlox gracilis Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  JEPS85036  Phlox gracilis Larry Heckard and Mary Ashton 1969-5-3 2199 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  JEPS71084  Phlox gracilis W. L. Jepson 1893-4-24 15056 Napa e of St. Helena; Napa River Basin Comment
  UC908224  Phlox gracilis Herbert L. Mason 1926-3-22 2791 Napa between Calistoga and Petrified Forest Comment
  UCD102037  Phoradendron bolleanum O. A. Leonard 1962-3-9 s.n. Napa Near Napa-Lake County line, 4 miles northwest of Knoxville on road to Lower Lake. 640 Comment
  UCD48242  Phoradendron bolleanum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 6 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  CDA11824  Phoradendron densum G. F. Hrusa 1993-10-3 11427 Napa North Coast Biodiversity Arena; 2 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  UC1039590  Phoradendron densum Herbert L. Mason 1926-1-2 2608 Napa Mt. St. Helena, Toll House Canyon Comment
  UCR80867  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  CAS-BOT-BC171139  Phoradendron serotinum subsp. tomentosum J. J. Walters 1932-3-6 s.n. Napa St. Helena Comment
  UCD19928  Phyla nodiflora E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 784 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  RSA293498  Phyla nodiflora C. W. Tilforth, John Dourley 1979-7-22 1858 Napa 0.4 miles south of Park Headquarters, west side of Lake Berryesa. 137 Comment
  JEPS110555  Physocarpus capitatus Jake Ruygt 1987-5-16 1994 Napa Devil's Canyon 582 Comment
  JEPS44811  Physocarpus capitatus W. L. Jepson 1895-11-26 13847 Napa La Jota Plateau Howell Mt Comment
  HSC71539  Pickeringia montana J. P. Smith, J. O. Sawyer 1970-5-17 3782 Napa 8 mi. N of Pope Valley Comment
  UCD15251  Pickeringia montana Ted Graber 1984-5-12 20 Napa along highway 128, 3 miles west of Moskowite corner. 243 Comment
  JEPS120326  Pinus coulteri Jake Ruygt 1999-12-30 4219 Napa End of Lommel Road, Calistoga. Calistoga 7.5' Quad. Comment
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Jul 25 2018
  CAS-BOT-BC72882  Pinus ponderosa Peter H. Raven 1954-2-22 6417 Napa Hills n. of White Sulphur Spr., w. of St. Helena. 152 Comment
  SEINET3221131 Image available Pinus ponderosa Royal D. Suttkus 1967-6-26 67- 30 -42 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC182  Pinus ponderosa Davy 1894-10-1 Napa spur of Mt. St. Helena Comment
  CAS-BOT-BC72812  Pinus sabiniana James L. Reveal 1987-6-7 6405 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, 243 Comment
  JEPS103995 Image available Pinus sabiniana Jake Ruygt 1979-4-23 540 Napa HWY 128, 1.8 miles east of Silverado Trail (Sage Canyon Rd 88 Comment
  UC400310  Pinus sabiniana W. L. Jepson Dec 1895 Napa Conn Valley St. Helena Comment
  UCD47757  Pinus sabiniana Michele Disney, S. Wathen; J. Westbrook, S. Ratay, R. Wolfson, A. Houser 2000-4-22 6 Napa Napa Co., Mclaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  UCD48372  Pinus sabiniana Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, 15 m N of Decker Bay Trail. 152 Comment
  JEPS120440  Piperia elongata Jake Ruygt 1978-7-2 377 Napa 3/4 mile west of 29 on Diamond Mtn. Rd. Comment
  UC55913  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1852 Napa 2 mi below Calistoga (Napa Valley); Napa Valley 91 Comment
  POM182729  Plagiobothrys canescens D. D. Keck 1931-4-3 1057 Napa Mouth of Pope Creek, Berryessa Valley, 6 miles NW. of Monticello. Comment
  UCD37571  Plagiobothrys canescens Beecher Crampton 1955-4-7 2437 Napa Napa County, 7.8 miles north of Monticello. Comment
  UCD148840  Plagiobothrys nothofulvus Ellen Dean; Diana Hickson 2014-4-29 8144 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD39034  Plagiobothrys nothofulvus Beecher Crampton 1962-5-16 6426 Napa 1 mile E of Aetna Springs. Comment
  UCD48654  Plagiobothrys nothofulvus M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 24 Napa Quail Ridge UC Reserve, northern tip of peninsula. 243 Comment
  SEINET10456330  Plagiobothrys nothofulvus John T. Middleton 1936-3-21 Middleton 71 Napa Comment
  JEPS129019  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2016-5-7 6237 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS129157  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2015-5-2 6086 Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  UCD161578  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2007-5-5 5165 Napa Walnut Flat, near Wild Lake. 630 Comment
  CAS-BOT-BC228493  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  CAS-BOT-BC228496  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  JEPS24592  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Napa Valley, Calistoga Hot Springs Comment
  UC1094322  Plagiobothrys strictus Peter H. Raven 1957-5-5 10741 Napa in moist places near hot springs at the airport; Calistoga Comment
  UC191655  Plagiobothrys strictus Edw. L. Greene 1892-4-20 Napa Calistoga Comment
  JEPS68124  Plagiobothrys tenellus Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  JEPS68149  Plagiobothrys tenellus W. L. Jepson 1897-5-2 21148 Napa St. Helena Napa Valley Comment
  POM63831  Plagiobothrys tenellus C. F. Baker 1903-4-20 2624 Napa Mt. St. Helena. Comment
  JEPS41076  Plagiobothrys tener var. subglaber Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9101 Napa ca 7 mi se Knoxville (at head of Devilhead Road, at center of Cedar Valley); Cedar Valley 579 Comment
  JEPS106758  Plagiobothrys tener var. tener Jake Ruygt 1990-4-21 2498 Napa Giles Mead Ranch, Atlas Peak Rd. 429 Comment
  JEPS110788  Plantago coronopus Jake Ruygt 1994-6-7 3396 Napa Calistoga Airport 109 Comment
  JEPS110786  Plantago erecta Jake Ruygt 1986-3-6 1633 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 146 Comment
  RSA41868  Plantago erecta H. C. Cantelow 1939-4-8 2516 Napa Howell Mt. Comment
  UC1301166  Plantago erecta Helen K. Sharsmith 1963-3-17 5209 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD49194  Plantago erecta A. Van Houtte; E. Leger and C. Hohn 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., along SE rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UCR146184  Plantago erecta Beecher Crampton 1967-5-11 7918 A Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UCD15028  Plantago erecta Gail Matson 1977-4-16 13 Napa 6.4 miles SW of Monticello Dam on highway 128. 213 Comment
  UCD15037  Plantago hookeriana Lorraine Clarke 1977-4-16 14 Napa California, Napa Co.; along Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam; Comment
  JEPS7122  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa e of Yountville Comment
  UCD170431  Plantago lanceolata Daniel Potter; Daniel McNair 2016-4-23 923 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  CHSC102283  Plantago major Lowell Ahart 2009-10-27 16490 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS120328  Platystemon californicus Jake Ruygt 2005-3-20 4708 Napa Alston Park, Dry Creek Road, Napa. Napa 7.5' Quad. Comment
  JEPS122745  Platystemon californicus Jake Ruygt 2011-5-7 5782 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  JEPS6144  Plectritis ciliosa subsp. ciliosa Bacigalupi and Dempster 1954-5-10 4445 Napa road from Monticello to Rutherford (Highway 128, Canyon of Soda Creek); Soda Creek Comment
  JEPS5148  Plectritis ciliosa subsp. ciliosa W. L. Jepson 1893-4-28 Napa ne of Napa City (Franchos Creek); Napa Range, Franchos Creek Comment
  RSA261550  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Montcello Dam, off State Hwy 128. Comment
  JEPS14270  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 B Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  UC912462  Plectritis macrocera Herbert L. Mason 1926-3-14 2738 Napa Mount St. Helena Comment
  JEPS122930  Pleuropogon californicus Jake Ruygt 1979-4-19 523 Napa Suscol Hill, (east of Highway 221). Quad: Cuttings Wharf. Comment
  JEPS75069  Pleuropogon californicus W. L. Jepson 1921-5-6 9182 Napa Calistoga 109 Comment
  UC767873  Pleuropogon californicus var. californicus R. F. Hoover 1941-4-26 4923 Napa Pope Valley Comment
  CAS-BOT-BC244370  Poa annua Peter H. Raven 1950-4-15 1705 Napa Along streets, Napa 9 Comment
  UCD149703  Poa bulbosa Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Northeast of St.Helena, along Sanitarium Road, east of intersection with Glass Mountain Road, vineyard conversion. Partridge Vineyard property. 95 Comment
  SEINET200841 Image available Poa howellii J. P. Tracy 1902-5-16 1510 Napa Howell Mountain head of Moore's Creek 3-4 miles E of Angwin's. 335 Comment
  UCD91110  Poa howellii Beecher Crampton 1966-5-10 7713 Napa 9 miles east of Rutherford. State Highway 128. Comment
  SD58318  Poa napensis Alan A. Beetle 1946-5-7 4256 Napa Damp banks of overflow stream; two miles north of Calistoga at Myrtledale Hot Springs Comment
  UCD37942  Poa napensis Beecher Crampton 1962-5-8 6418 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD91550  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  NY431291  Poa napensis A. A. Beetle 1946-5-7 4256 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD112243  Poa secunda Christopher Mallek 2008-5-12 AS2- 15 Napa Aetna Springs. 668 Comment
  CAS-BOT-BC242898  Poa secunda subsp. secunda L. R. Abrams 1928-5-3 12234 Napa St. Helena Grade Comment
  JEPS76076  Poa secunda subsp. secunda W. L. Jepson 1938-5-18 18788 Napa behind St Helena Sanitarium (Howell Mt, on top of little hill,) Comment
  JEPS76089  Poa secunda subsp. secunda W. L. Jepson 1938-5-24 18844 Napa plateau n of Four Corners (Howell Mt); Napa Range 762 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
  UCD18067  Poa secunda subsp. secunda Ellen Dean; with Plant Biology 102 class 2000-4-22 622 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., E side of Devil Head Rd., along road to air quality station. 548 Comment
  JEPS62446  Pogogyne douglasii W. L. Jepson 1897-7-12 14907 Napa Pope Valley Comment
  UC883696  Pogogyne douglasii Alice Eastwood 1915-6-5 4626 Napa Calistoga Comment
  JEPS51382  Polycarpon tetraphyllum W. L. Jepson 1897-5-2 Napa St. Helena; along railroad track Comment
  UCD98411  Polycarpon tetraphyllum Irving Grover 1954-6-29 s.n. Napa from farm buildings. Comment
  UCD110455  Polygala Christopher Mallek 2008-1 KX1- 2 Napa Knoxville. 593 Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  UCD95915  Polygala californica Ellen Dean; with Clare Loughran 2011-5-20 7052 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  JEPS110853  Polygonum amphibium var. emersum Jake Ruygt 1979-8-7 790 Napa .1 mile north of Yountville underpass on Yount St. 28 Comment
  CAS-BOT-BC109155  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109160  Polygonum bolanderi Alice Eastwood 1915-6-6 4683 Napa Mount Saint Helena. Comment
  JEPS50583  Polygonum bolanderi Willis L. Jepson 1893-9-21 14791 Napa Wooden Valley grade Napa River Basin Comment
  UC6670  Polygonum bolanderi Brewer 1861-11-11 854 Napa Napa Valley Comment
  UC6671  Polygonum bolanderi Bolander 1863-9-20 2649 Napa e Napa Valley; ; among rocks near Napa in field notes Comment
  JEPS50597  Polygonum californicum W. L. Jepson Sept. 1893 14799 Napa Napa Valley Comment
  JEPS112596  Polygonum lapathifolium Jake Ruygt 1986-7-12 1874 Napa Napa River south of confluence of Tulocay Creek 1 Comment
  JEPS115738  Polygonum lapathifolium Lowell Ahart 2009-10-12 16447 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  CDA29742  Polygonum punctatum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 210 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
  HSC100737  Polygonum punctatum Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek, E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  UC56358  Polygonum punctatum Willis L. Jepson 1894-11-5 Napa near St. Helena; Napa River Basin Comment
  OBI10872  Polygonum spergulariiforme Robert F. Hoover 1966-8-23 9920 Napa E side of Mt St Helena Comment
  CAS-BOT-BC72055  Polypodium calirhiza Peter H. Raven 1957-5-5 10770 Napa hills at western end of Calistoga 182 Comment
  CDA11614  Polypodium calirhiza G. F. Hrusa 1994-1-29 11589 Napa North Coast Biodiversity Arena; Head of Hennessey Lake on S side of Hwy 128. Comment
  UCD83864  Polypodium glycyrrhiza Ellen Dean; Stephen Rae 2010-3-15 5822 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 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
  JEPS75639  Polypogon monspeliensis W. L. Jepson 1936-5-30 17557 Napa Napa Valley Rutherford; Napa Valley Comment
  UCD20730  Polypogon monspeliensis Ellen Dean; w/ Mark Bibbo 2002-6-17 1094 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  UCD91435  Polypogon viridis Collector Unknown 1941-6-1 s.n. Napa Road from Napa to Locoya. Comment
  CAS-BOT-BC72344  Polystichum imbricans subsp. imbricans Betty H. Johnson 1958-6-20 664 Napa near Mt. Mill House, 6.4 mi. S.W. of Middletown Comment
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  JEPS113962  Prosartes hookeri Jake Ruygt 1978-4-6 261 Napa 1 mile west of Dry Creek Road on Redwood Road. Napa 7.5' Quad. Comment
  UCD139794  Prosartes hookeri C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  JEPS62485  Prunella vulgaris W. L. Jepson 1923-6-3 9975 Napa e Yountville (Napa Valley, near base of hills); Napa Valley Comment
  CAS-BOT-BC158580  Prunus Alice Eastwood 1922-5-5 11295 Napa Mt. St. Helena Comment
  UC1198771  Prunus emarginata Joseph P. Tracy 1933-4-30 12114 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 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
  CAS-BOT-BC151177  Prunus subcordata Mrs. H. C. Cantelow 1940-4-13 s.n. Napa 8.2 miles S.W. of Monticello, on road to Napa Comment
  UC12815  Prunus subcordata Willis L. Jepson 1893-4-24 Napa e of St. Helena Town (Napa River Basin, Napa River, Park Hill Bridge); Napa River Basin, Napa River, Park Hill Bridge Comment
  UCR23507  Prunus subcordata John C. Roos 1939-3-31 307 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS20433  Pseudognaphalium beneolens W. L. Jepson 1938-10-1 19046 Napa Mt. St. Helena Comment
  UCD73442  Pseudognaphalium californicum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS20436  Pseudognaphalium californicum W. L. Jepson 1936-5-31 17565 Napa in the chamisal on Howell Mountain (at hair-pin turn of the road between the Sanitarium and Four Corners); Napa Range, Howell Mountain Comment
  JEPS106911  Pseudognaphalium microcephalum Jake Ruygt 1988-8-14 2228 Napa Adams Ridge, Adams Creek area 548 Comment
  UC672213  Pseudognaphalium stramineum H. L. Mason 1923-10-6 769 Napa along railroad Suisan Marsh Comment
  UCD133367  Pseudotsuga menziesii var. menziesii Beecher Crampton 1955-3-15 2328 Napa Calistoga. Comment
  UCD147467  Psilocarphus brevissimus Ellen Dean; Diana Hickson 2014-4-29 8080 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS106883  Psilocarphus oregonus Jake Ruygt 1995-5-8 3471 Napa 2 mi. south of Lake Hennessey on road to Taylor/ Chapallet 411 Comment
  CDA10857  Psilocarphus tenellus G. F. Hrusa, M. Rejmanek 1993-5-15 10952 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD63154  Psilocarphus tenellus var. tenellus Jake Ruygt 1991-5-6 2649 Napa Wantrup Preserve, Pope Valley. 195 Comment
  UC403981  Ptelea crenulata J. F. Spurgeon Sep 1906 2 Napa Veteran's Home, Napa; Napa Comment
  JEPS58842  Pyrola aphylla W. L. Jepson 1894-7-19 14664 Napa Mt. St. Helena, just at timber line Comment
  UCD167051  Pyrola picta Jake Ruygt 1990-5-19 2558 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29. 152 Comment
  JEPS116572  Quercus X morehus Jake Ruygt 1986-5-5 1742 Napa North side of Mount George. 7.5' Mount George Quad. Comment
  CAS-BOT-BC61807  Quercus agrifolia M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  HSC83359  Quercus agrifolia W. C. Overton 1980-7-13 Napa S bank of Eticuera Creek 1.5 mi N of Lake Berryessa 177 Comment
  JEPS37368  Quercus agrifolia W. L. Jepson 1907-12-1 2971 Napa Sanitarium Hill road Napa Valley Comment
  JEPS37373  Quercus agrifolia W. L. Jepson 1930-10-19 15694 Napa Butts Canyon Comment
  JEPS37806  Quercus agrifolia W. L. Jepson 1937-4-10 18004 Napa Adam-and-Eve Ridge Howell Mt. Comment
  RSA181899  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa St. Helena; Napa River Basin Comment
  UCD149563  Quercus agrifolia G. Ledyard Stebbins 1994-10-5 s.n. Napa Hennessey Lake. At the junction of Route 128 [and Chiles Pope Valley Road]. Comment
  UCD148747  Quercus berberidifolia Jake Ruygt 2000-10-9 4287 Napa Napa County; south of Snell Peak on ridge. 396 Comment
  UCD160571  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD73430  Quercus berberidifolia 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
  UCD83393  Quercus berberidifolia Jake Ruygt 1992-9-24 3156 Napa Lower Chiles-Pope Valley Rd., N of Berryessa Knox Rd. 201 Comment
  UCR212388  Quercus berberidifolia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
Read comments
Oct 11 2010
  CAS-BOT-BC62458  Quercus chrysolepis Peter H. Raven 1951-8-19 3838 Napa nr. Lokoya 487 Comment
  JEPS2951 Image available Quercus chrysolepis W. L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin; Mt. St. Helena, Napa River Basin Comment
  SEINET12034303  Quercus chrysolepis Unknown 1942-1 s.n. Napa Calistoqo Comment
  UCD162119  Quercus douglasii Dylan O. Burge 2014-3-15 1497 Napa Mount Saint Helena. 670 Comment
  UCD45638  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45747  Quercus douglasii John M. Tucker; G. L. Stebbins 1950-11-5 2008 16 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; growing with both parental species. Comment
  CLARK-A1528-2918  Quercus douglasii John C. Roos 1939-3-27 280 Napa Angwin Comment
  CAS-BOT-BC86435  Quercus dumosa John Thomas Howell 1933-8-27 11647 Napa E of Chiles Valley on road to Winters, Napa Range Comment
  SEINET12029179  Quercus dumosa Unknown 1941-1 127 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  CAS-BOT-BC79847  Quercus durata H. E. McMinn 1922-6-8 167 Napa summit of Howell Mt. Comment
  CDA21881  Quercus durata State Employee 1957-11-13 Napa Knoxville. 0 Comment
  JEPS37339  Quercus durata Willis L. Jepson 1892-7 Napa near Knoxville; Mountain Region of Clear Lake Comment
  JEPS37346  Quercus durata W. L. Jepson 1895-11-25 Napa La Jota Plateau Howell Mt. Comment
  RSA150  Quercus durata J. T. Howell 1927-8-24 685 Napa Near Walter's Spring, Napa Range. Comment
  RSA624178  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2007 -24 Napa Beside road up Howell Mountian, 5.6 mi. north of St. Helena. Comment
  UCD118733  Quercus durata Katherine Graham; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD14822  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -18 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14825  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -21 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD45966  Quercus durata David Slade 1982-5-27 72 Napa Highway 128 3.8 miles W of Moskowite Corner, 1000 feet. 304 Comment
  UCR106783  Quercus durata J. M. Tucker 1950-11-12 2014 -24 Napa Hwy 28, 7.7 mi. (by road) west of junction with Hwy 37. Comment
  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
  UCD48034  Quercus durata var. durata S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 16 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 531 Comment
  CAS-BOT-BC94257  Quercus garryana Elsa G. Ruckert 1960-4-2 57 Napa 6495 Dry Creek Road, edge of field SW of the house 365 Comment
  UCD83398  Quercus garryana Jake Ruygt 1992-7-18 3099 Napa Green Valley Ranch, end of Green Valley Rd. 329 Comment
  RSA151  Quercus garryana var. garryana J. T. Howell 1927-8-23 684 Napa Chiles Valley, Napa Range. 213 Comment
  UCSB19167  Quercus garryana var. garryana Rankine, Jane 1965-4-13 Napa 3 miles west of Pope Valley on the road between Pope Valley and Anqwin Comment
  CAS-BOT-BC105293  Quercus kelloggii John M. Tucker 1976-10-24 4381 Napa beside Dry Creek Road, 0.6 mi E of junction with Wall Road, and 5.2 mi (by road) SW of Oakville Comment
  CAS-BOT-BC105296  Quercus kelloggii John H. Thomas 1966-3-22 11533 Napa About 5 miles N of Calistoga as measured along highway 29 on the SE slope of Mt. St. Helena Comment
  CDA21941  Quercus kelloggii J. M. Tucker 1976-10-24 4383 Napa Beside Dry Creek Road, 0.8 mile east of junction with Wall Road, and 5 miles (by road) southwest of Oakville. 0 Comment
  JEPS37754  Quercus kelloggii W. L. Jepson 1896-2-22 14829 Napa Howell Mt. Comment
  LA205302  Quercus kelloggii J. A. Ewan; 1933-9-17 8012 Napa trail above Mt St. Helena Inn Comment
  POM270255  Quercus kelloggii Lyman Benson 1931-2-26 2599 Napa Near highway summit of Mt. St. Helena, No of Calistoga, Mayacamas mt. range, Napa watershed. 549 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
  UC521690  Quercus kelloggii Joseph Andorfer Ewan 1933-9-17 8012 Napa trail above Mt. St. Helena <???>; Mt. St. Helena Comment
  UCD46705  Quercus kelloggii W. L. Jepson 1900-3-8 505 Napa St. Helena, Napa River Basin. Comment
  UCD46743  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  JEPS116529  Quercus lobata Jake Ruygt 2004-4-12 4584 Napa Gordon Valley Road, south side of Okell Hill. Fairfield North 7.5' Quad. Comment
  JEPS37469  Quercus lobata Willis L. Jepson 1901-11-17 1751 Napa St. Helena Napa River Basin Comment
  POM106155  Quercus lobata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS37797  Quercus wislizeni W. L. Jepson 1938-9-28 19045 Napa La Jota Mesa Howell Mt. Comment
  UCD149631  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam area at Route 128. Comment
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 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
  JEPS36558  Rafinesquia californica W. L. Jepson 1938-5-25 18869 Napa Napa Range, Howell Mt., Bell Canyon Comment
  JEPS110889  Ranunculus arvensis Jake Ruygt 1991-5-6 2646 Napa Wantrop Preserve, Pope Valley 184 Comment
  RSA268176  Ranunculus californicus var. gratus Lyman Benson 1931-2-26 19 Napa Mayacamas, Napa Watershed, intergrading from lower edge of Mt St. Helena 213 Comment
  UCD96154  Ranunculus hebecarpus J. M. Tucker 1977-4-24 4388 Napa above Eticuera Creek, west side of Berryessa - Knoxville Road, 15.6 miles (by road) north of junction with Pope Canyon Road (2.3 miles southeast of Knoxville Mine.) 304 Comment
  JEPS110881  Ranunculus lobbii Jake Ruygt 1981-3-29 958 Napa Suscol plain near Kaiser Steel (Rocktram 3 Comment
  CDA10911  Ranunculus occidentalis G. F. Hrusa, M. Rejmanek 1993-5-15 11007 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SEINET197738  Ranunculus occidentalis R. C. Bechtel 1952-3-16 18 Napa Putah Canyon Comment
  JEPS55167  Ranunculus occidentalis W. L. Jepson 1897-5-2 Napa near St. Helena; Napa Valley 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
  JEPS110878  Ranunculus orthorhynchus Jake Ruygt 1992-3-25 2861 Napa south end of Wooden Valley, Wild Horse Valley Ranch 179 Comment
  JEPS110991  Ranunculus pusillus Jake Ruygt 1992-5-3 2925 Napa Skyline Park, Napa 143 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
  CDA3874  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. F. Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. Comment
  RSA7791  Rhamnus californica Carl B. Wolf 1928-5-3 1844 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC59541  Rhamnus crocea John H. Thomas 1955-5-21 5110 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS42003  Rhamnus crocea W. L. Jepson 1915-12-5 6587 Napa Adam-and-Eve Ridge Howell Mt. Comment
  SBBG14329  Rhamnus ilicifolia L. B. Hendrix 1962-5-5 41 Napa S end of Lake Berryessa Comment
  JEPS110666  Rhamnus tomentella subsp. crassifolia Jake Ruygt 1998-6-24 4060 b Napa Goslin Canyon, south of hunting camp. Comment
  UC413095  Rhododendron occidentale H. P. Chandler 1907-4-25 7537 Napa below Conn Valley (Chiles Valley Road); Chiles Valley Road Comment
  UCD20689  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 1 a and b Napa Napa County, NW side of Butts Canyon Road/ Shell Valley Road, Napa 00.25 marker, SE side of Butts Creek, 10-15' from water, submerged to 1.5' at flood levels. Comment
  UCD20703  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 1 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek from trailhead to point where trail diverges west from creek bed. In or within 10 ft. of creek bed on SE facing slope. Comment
  CAS-BOT-BC200647  Rhus aromatica John Thomas Howell 1929-5-30 4266 Napa Bank of Pope Valley Creek, 4 miles east of Samuels Springs, Napa Range Comment
  JEPS121369  Rhynchospora californica Jake Ruygt 2003-8-24 4559 Napa Mt. George, Foote Botanical Preserve, NW side of mountain, near old orchard. Comment
  UCD164845  Ribes californicum Jake Ruygt 2012-4-16 5817 -x Napa Near north end of Spanish Valley; along road leading east. 256 Comment
  CDA11151  Ribes malvaceum G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11562 Napa North Coast Biodiversity Arena; N side of Mt. George, above Sarco Creek, 10 m. NE of city of Napa. Comment
  JEPS49457  Ribes roezlii var. cruentum Katharine Brandegee 1909-6-1 Napa summit of Pope Valley Grade from Calistoga; Napa Range, Pope Valley Grade Comment
  JEPS49464  Ribes roezlii var. cruentum Willis L. Jepson 1894-7-19 13522 Napa Toll-House Road Napa River Basin, Mt. St. Helena Comment
  POM141904  Ribes victoris W. L. Jepson 1892-05 s.n. Napa Trail to [?] Cabin. Comment
  CHSC59949  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley. Comment
  JEPS106904  Rigiopappus leptocladus Jake Ruygt 1998-5-11 3961 x Napa Greeg Mountain 445 Comment
  UCD18064  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 619 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
  UCD38692  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  CAS-BOT-BC363049  Rigiopappus leptocladus David D. Keck 1933-5-29 2341 Napa Pope Creek Bridge, south of Walters Springs. South wall of Pope Creek Canyon Comment
  UCD81446  Rorippa curvisiliqua M. Wiesendanger 1927-5-4 668 Napa Near Monticello. Comment
  CHSC103005  Rorippa curvisiliqua var. orientalis Lowell Ahart 2009-10-12 16434 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
  JEPS77931  Rosa californica Edward Lee Dec. 1935 1676 Napa 1/2 mi s south junction of Napa-Monticello Road ((between the Howell and Vaca Mts.)); Wooden Valley Comment
  UC555671  Rosa californica Herbert L. Mason 1923-10-6 774 Napa along Wooden Valley Rd. Comment
  CAS-BOT-BC148159  Rosa gymnocarpa Alice Eastwood 1922-5-4 11248 Napa Calistoga Comment
  JEPS112569  Rosa gymnocarpa Jake Ruygt 1976-5-14 76 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  JEPS45680  Rosa gymnocarpa W. L. Jepson 1894-10-14 13891 Napa sw Calistoga; Rebecca Ranch grade Comment
  UC1281126  Rosa gymnocarpa H. E. McMinn 1936-4-4 4381 Napa about six mi from Angwin (Howell Mt. to Pope Valley, road to Middletown) Comment
  SEINET11910993  Rosa gymnocarpa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -311 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  SEINET11910992  Rosa spithamea F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -312 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UCD17682  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 79 Napa California. Napa County: north of Redwood Lodge along Highway 128. Comment
  JEPS110651  Rubus ursinus Jake Ruygt 1979-4-17 521 Napa Napa River at Oak Knoll Ave. 15 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
  CDA34676  Rumex maritimus L. Ahart 2009-10-27 16493 Napa Below high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. Comment
  JEPS115686  Rumex maritimus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  CAS-BOT-BC434078  Rumex transitorius Peter H. Raven 1951-9-9 3892 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  JEPS107239 Image available Rupertia physodes Jake Ruygt 1988-5-3 2175 Napa .3 miles north of Oak Knoll Ave. on Silverado Trail 15 Comment
  SD108178  Rupertia physodes Peter H. Raven 1964-5-9 19042 Napa Edge of small grove of Sequoia along dirt road, 2.0 miles west of Aetna Springs. Comment
  UC1197439  Rupertia physodes Joseph P. Tracy 1933-6-2 12487 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 396 Comment
  CAS-BOT-BC103226  Salix bonplandiana John Thomas Howell 1925-4-11 954 Napa Soscol Comment
  CAS-BOT-BC108662  Salix breweri Peter H. Raven 1951-5-26 s.n. Napa Butts Canyon [Canon] Creek Comment
  CAS-BOT-BC108664  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa-Lake Co. line. Comment
  RSA3282  Salix breweri D. D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  UC1010435  Salix breweri Milo S. Baker 1931-4-2 5127 Napa on Middletown Rd. 7 mi from Pope Val. Store Comment
  UC482103  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 a Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  RSA90537  Salix breweri Milo S. Baker 1931-4-2 5127 Napa 7 miles from Pope Valley Store on road to Middletown. Comment
  UCD164794  Salix gooddingii Jake Ruygt 2012-6-30 5871 Napa Putah Creek north of Berryessa Estates. 137 Comment
  CAS-BOT-BC108194  Salix hindsiana Ira L. Wiggins 1932-3-12 5756 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  JEPS38385  Salix laevigata W. L. Jepson 1900-3-8 506 Napa Hunt's Meadow St. Helena Comment
  UCD73497  Salix laevigata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC107046  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 19 Napa One mile northwest of Calistoga Comment
  UC1356333  Salix lasiolepis Theodore J. Crovello 1964-4-15 420 Napa along w side of Silverado Trail 4 mi nw junction with California Hwy. 128 Comment
  UC504070  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  UCD164811  Salix lasiolepis Jake Ruygt 1996-5-11 3660 Napa SE of Suscol; Napa Sanitation District. 3 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
  CAS-BOT-BC129503  Salix melanopsis H. E. McMinn 1923-5-25 958 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  JEPS112635  Salvia columbariae Jake Ruygt 1979-4-14 516 Napa Oat Hill Mine Rd. at Palisades 670 Comment
  UCD48055  Salvia columbariae J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 15 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  OBI13529  Salvia sonomensis H. E. McMinn 1923-5-25 970 Napa Summit Wooden Valley Comment
Read comments
Dec 13 2012
  UCSB24695  Salvia sonomensis McMinn, Howard 1925-5-25 Napa Summit Wooden Valley grade Comment
  UCD149699  Sanicula bipinnatifida Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD169881  Sanicula bipinnatifida Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 721 Napa Knoxville Wildlife Area. 352 Comment
  UCD48512  Sanicula bipinnatifida A. Van Houtte; E. Leger and C. Hohn 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; NE-facing bank upslope of ruined cabins, between the stock pond and the W side of Decker Canyon Rd. 152 Comment
  UCD83722  Sanicula bipinnatifida Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 1 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 185 Comment
  RSA195384  Sanicula bipinnatifida Gilbert Muth 1967-4-9 623 Napa near Cassidy Creek 335 Comment
  UCSB4638  Sanicula bipinnatifida Keator, Glenn 1959-4-1 Napa About 0.2 miles south of northwest Calistoga city limits on highway 128 Comment
  UCD117806  Sanicula crassicaulis Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In field on south side of road. 519 Comment
  UCD127986  Sanicula crassicaulis D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD128073  Sanicula crassicaulis Bob Threlkel 1964-5-8 7 Napa at creek east of highway; south of Lake Berryessa, at junction of State Highway 37 and 128. Comment
  UCD63191  Sanicula laciniata Jake Ruygt 2002-4-1 4380 Napa West of Calistoga above Blossom Creek. 213 Comment
  JEPS104494  Sanicula tuberosa Jake Ruygt 1979-3-15 456 Napa south of Milliken Canyon, east of east end of Westgate Dr. 176 Comment
  JEPS963  Sanicula tuberosa Willis L. Jepson 1893-5-2 14194 Napa e from Calistoga (Napa River Basin, Pope Valley Grade); Napa River Basin, Pope Valley Grade Comment
  UCD163271  Sanicula tuberosa D. Slakey; CNPS Volunteers 2015-4-25 116 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  POM262887  Saxifraga californica J. C. Roos 1939-3-27 304 Napa Snell Valley Comment
  RSA0054874  Scandix Keith E. Hoffmaster 1946-3-23 1260 Napa Along Monticello-Napa road. Comment
  CDA11626  Scandix pecten-veneris G. F. Hrusa, S. Larson 1995-4-1 12062 Napa North Coast Biodiversity Arena; Margin of large diverse flower field along Chiles Valley/Pope Valley Rd. approx 2 mi. S of Pope Canyon Rd. intersection. Comment
  UCD83666  Scandix pecten-veneris Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 1 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 175 Comment
  UCD73523  Schedonorus arundinaceus Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC111446  Schoenoplectus californicus Peter Raven 1951-9-9 3901 Napa Slaugterhouse Pt., Napa River 0 Comment
  JEPS121361  Scirpus koilolepis Jake Ruygt 1989-5-9 2311 Napa American Canyon, Avilla Ranch. Comment
  CAS-BOT-BC110877  Scirpus microcarpus Peter H. Raven 1952-9-14 5176 Napa Corn Creek E of Yountville 91 Comment
  JEPS121373  Scirpus microcarpus Jake Ruygt 1984-6-2 1565 Napa Conn Dam Comment
  JEPS63962  Scirpus microcarpus W. L. Jepson 1918-6-24 7667 Napa half way to toll-house on Mt. St. Helena from Calistoga (Silverado); , half way to toll-house on Mt. St. Helena Comment
  UCD41468  Scrophularia californica Ellen Dean; Deborah Canington 2003-3-1 1365 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
  JEPS112643  Scutellaria californica Jake Ruygt 1992-6-11 3029 Napa below South lake, Wild Horse Valley Ranch 426 Comment
  UCD160790  Scutellaria siphocampyloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8670 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
  UC1301163  Scutellaria siphocampyloides Helen K. Sharsmith 1962-6-3 5108 Napa Napa-Soda Springs Road; San Francisco Bay Region, Napa-Soda Springs Road 152 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
  RSA201806  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa Just N of Soscol House restaurant, ca. 2 miles S of Napa State Hospital, State Hwy 29. Comment
  CAS-BOT-BC63778  Sedum radiatum subsp. radiatum Milo S. Baker 1926-3-30 s.n. Napa Mt. St. Helena- 1/2 miles E of Inn Comment
  CAS-BOT-BC63832  Sedum spathulifolium Carl B. Wolf 1928-5-3 1837 Napa Base of Mt. St. Helena Comment
  UCD102078  Sedum spathulifolium R. H. Miller 1949-5-8 50 Napa approximately 10 miles northeast of Napa, on Highway 37. Comment
  HSC65069  Sedum spathulifolium var. spathulifolium J. P. Smith, J. O. Sawyer 1970-5-17 3773 Napa 3 mi. S of Pope Valley Comment
  CAS-BOT-BC69715  Selaginella wallacei Alice Eastwood s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC363358  Senecio aronicoides Peter H. Raven 1951-6-10 2916 Napa Crater Region e. of Mt. St. Helena 762 Comment
  CAS-BOT-BC327425  Senecio flaccidus var. douglasii H. E. McMinn 1922-8-1 396 Napa Pope Valley Canyon Comment
  JEPS37181  Senecio flaccidus var. douglasii W. L. Jepson 1894-10-13 Napa Conn Creek, mouth of Conn Valley Conn Valley Comment
  CAS-BOT-BC364595  Senecio vulgaris Ira L. Wiggins 1928-3-25 2873 Napa 1 1/2 mi. N.E. of Calistoga Comment
  JEPS50095  Sidalcea diploscypha W. L. Jepson 1938-5-22 18822 Napa Snell Valley Comment
  POM118525  Sidalcea diploscypha Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD167286  Sidalcea diploscypha Jake Ruygt 1996-5-19 3719 Napa Chiles Valley at east end of large meadow. 228 Comment
  UC18889  Sidalcea hartwegii Willis L. Jepson 1893-5-9 Napa hills w Rutherford; Napa River Basin, hills w of Rutherford Comment
  JEPS110724  Sidalcea hirsuta Jake Ruygt 1986-6-24 1783 Napa Butt's Canyon Rd. at Ink Grade 237 Comment
  JEPS122722  Sidalcea keckii Jake Ruygt 1976-4-25 30 Napa 23.5 miles north of Pope Canyon Road on Berryessa-Knoxville River. Quad: Jericho Valley Comment
  UCD144649  Silene antirrhina Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS106851  Silene californica Jake Ruygt 1981-5-13 1022 Napa .2 miles east of Flosden Rd. on north side American Canyon 164 Comment
  RSA14164  Silene californica Rimo Bacigalupi, I. L. Wiggins, R. S. Ferris 1933-6-2 6673 Napa 10 miles from Pacific Union College on Howell Mt. - Middletown road. Comment
  CAS-BOT-BC388149  Silene gallica John H. Thomas 1955-5-21 5121 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  UCD170584  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  UCD48859  Silene gallica S. Murphy; K. Keck and K. Dyer 2002-5-5 3 Napa Quail Ridge UC Reserve, northern tip of ridge, 1.5 m from N edge of stock pond. 328 Comment
  UCD48861  Silene gallica K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Down slope of West Rd., ca. 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd. Comment
  UCD37323  Silene laciniata subsp. californica Beecher Crampton 1959-5-26 5260 Napa Napa County, north end of Capell Valley, Capell Creek. Comment
  CDA7653  Silybum marianum T. C. Fuller 1957-12-17 Napa 3 miles west of Napa. 0 Comment
  UCD47952  Sisymbrium officinale M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 7 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  UC1196379  Sisyrinchium bellum Joseph P. Tracy 1933-4-30 12091 Napa on hills at head of Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD138795  Sisyrinchium bellum Heidi E. M. Dobson 1978-4-8 301 Napa east slope of Mt. Veeder. Comment
  UCD138844  Sisyrinchium bellum L. P. Thibault 1995-5-19 43 Napa Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD170211  Sisyrinchium bellum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 746 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCD48245  Sisyrinchium bellum Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 4 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  JEPS64270  Sisyrinchium bellum Willis L. Jepson 1893-4-25 Napa w of St. Helena (trail to Beaux's Cabin); Napa River Basin Comment
  RSA125805  Sisyrinchium bellum Peter H. Raven 1958-5-5 10740 Napa Near the Hot Springs, Calistoga. 91 Comment
  RSA201767  Sisyrinchium bellum Dave Warfield 1964-5-8 20 Napa State Highway 128, 5.3 miles southwest of Monticello Dam Comment
  UCD170147  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  CAS-BOT-BC154696  Solanum umbelliferum C. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC156484  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa Comment
  UC36208  Solidago elongata Willis L. Jepson 1893-9-24 Napa Howell Mt. Napa River Basin, , Angwin's Meadows (Napa River Basin, Angwin's Meadows) Comment
  CAS-BOT-BC365093  Solidago velutina subsp. californica Peter H. Raven 1951-8-21 3872 Napa Mt. Veeder 762 Comment
  CAS-BOT-BC365096  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  UCD161321  Solidago velutina subsp. californica Jake Ruygt 1979-7-21 764 Napa Napa County : 2.7 miles north of Howell Mountain Road on Pope Valley Road. (Coordinates estimated by label maker at UC Davis). 216 Comment
  CDA7649  Soliva sessilis R. Barrett 1958-5-22 437 -58 Napa Napa. 0 Comment
  UCD149677  Soliva sessilis 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
  CDA29133  Sonchus asper D. G. Kelch, Daniel Weinstein 2009-6-21 9 .447 Napa Near Skyline Park. Comment
  UCD54328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 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, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 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
  UCD120783  Sonchus oleraceus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7327 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CAS-BOT-BC390280  Spergularia macrotheca var. longistyla Rimo Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser 1 1/2 miles north of Calistoga Comment
  CAS-BOT-BC390293  Spergularia macrotheca var. longistyla Alice Eastwood; John Thomas Howell 1938-5-15 5518 Napa Myrtledale Hot Springs Comment
  RSA0098485  Spergularia macrotheca var. longistyla Rimo C. Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  RSA505701  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa Stream near Etna Springs. 366 Comment
  CDA10868  Stachys rigida G. F. Hrusa, M. Rejmanek 1993-5-15 10963 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD126048  Stachys rigida var. quercetorum J. D. Clark 1995-5-27 14 Napa collected on trail between 1/3 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State park parking lot. 548 Comment
  UCD83669  Stachys rigida var. quercetorum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 4 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  UCD17986  Stellaria media Ellen Dean; with Plant Biology 102 class 2001-4-14 712 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  JEPS129047  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-6-11 6281 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  SACT002369  Stipa lepida John Willoughby 1977-4-27 Napa Along State Highway 128 near Monticello Dam, northwest facing slope on south side of highway. Comment
  UCR146180  Stipa lepida Beecher Crampton 1967-6-20 8131 Napa Inner North Coast Ranges, Martley [??] Canyon summit, Vaca Mountains 335 Comment
  UC1565205  Stipa mauritanica Steve W. Edwards and Wayne Roderick 1990-3-11 s. n. Napa Old Toll Road on west side of Mt. St. Helena, not far below junction of Toll road west of Hwy. 29. Comment
  UCD170572  Stipa miliacea var. miliacea Daniel Potter; N Khuu, K Battenberg 2016-4-30 865 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  JEPS122966  Stipa pulchra Jake Ruygt 1997-3-18 3806 Napa Greenfield Road. Quad: Saint Helena. Comment
  JEPS122968  Stipa pulchra Jake Ruygt 1983-3-26 1391 Napa 0.2 mile east of Conn Creek on Conn Valley Road. Quad: Saint Helena. Comment
  CAS-BOT-BC61145  Streptanthus barbiger John Thomas Howell 1941-6-22 16323 Napa Hills southwest of Saint Helena. Comment
  UCD74403  Streptanthus barbiger Jake Ruygt 2007-6-23 5239 Napa Spring Mtn. Rd. across from York Creek Dam. 195 Comment
  JEPS106604  Streptanthus brachiatus Jake Ruygt 1983-6-12 1491 Napa Red Hill, Mt. St. Helena 670 Comment
  JEPS27000  Streptanthus breweri Joseph P. Tracy 1905-7-6 2219 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  JEPS30824  Streptanthus breweri W. L. Jepson 1938-6-8 18901 Napa rocky walls Butts Canyon Comment
  UCD115951  Streptanthus breweri Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties. Butts Canyon Road. Comment
  JEPS106607  Streptanthus breweri var. breweri Jake Ruygt 1981-5-6 1019 Napa .2 miles east of Walter Spprings bridge on Pope Rd. 207 Comment
  UC956593  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-9-3 2998 Napa Conn Dam North Coast Ranges Comment
  HSC81869  Streptanthus glandulosus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5139 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  CAS-BOT-BC87152  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6453 Napa Conn Valley. Comment
  CAS-BOT-BC87162  Streptanthus glandulosus subsp. glandulosus J. F. Emmel 1968-4-7 57 Napa Hills north of road above Pope Creek and Maxwell Creek. Comment
  JEPS106602  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1989-4-8 2252 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 249 Comment
  UC117403  Streptanthus glandulosus subsp. glandulosus C. F. Baker 1903-4-20 2619 Napa Mt. St. Helena Comment
  UCD170352  Streptanthus glandulosus subsp. glandulosus Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 851 Napa Just north of Nevada Creek, west, east, and south of Knoxville Wildlife Area boundaries due to indentation in the southern boundary. 392 Comment
  UCD170438  Streptanthus glandulosus subsp. glandulosus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 910 Napa Knoxville Wildlife Area on slope west of Berryessa-Knoxville Road. 517 Comment
  UCD74408  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1986-3-22 1668 Napa Vaca Mtns. east of Markley Cove. 426 Comment
  UCD20766  Streptanthus morrisonii M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 116 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. In Sensitive Plant Canyon 150 yards upstream of junction with Hunting Creek. 640 Comment
  UCR71160  Streptanthus morrisonii subsp. kruckebergii L. F. LaPre, R. Bjork 1986-7-12 s.n. Napa Inner North Coast Ranges, Headwaters of 'Rare Plant Cyn', an unnamed tributary of Hunting Creek 427 Comment
  UC1292728  Streptanthus vimineus Freed W. Hoffman 1948-6-6 2329 Napa St. Helena Reservoir, Spring Mt. road Comment
  JEPS40818  Symphyotrichum subspicatum W. L. Jepson 1894-11-7 Napa Napa City Comment
  CAS-BOT-BC221920  Taeniatherum caput-medusae Peter H. Raven 1951-5-26 2878 Napa Butts Canon [Canyon] 304 Comment
  JEPS37028  Tanacetum parthenium W. L. Jepson 1936-6-2 17601 Napa Pratt Valley, St. Helena St. Helena, Pratt Valley Comment
  UCD21544  Taraxacum officinale B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  JEPS120387  Teesdalia coronopifolia Jake Ruygt 2001-3-24 4301 Napa NE of Table Rock along PG&E road. Detert Reservoir 7.5' Quad. Comment
  UCR261675  Tetrapteron graciliflorum Ann Howald 2003-4-19 2301 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  UCR261683  Tetrapteron graciliflorum Ann Howald 2003-4-23 2302 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  UC9704  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  SBBG2279  Thalictrum fendleri var. polycarpum H. and M. Dearing 1939-5-3 3231 Napa White Sulphur Springs Rd, St Helena Comment
  JEPS118639  Thermopsis californica var. californica B. Castro and L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. NE-facing slope ~ 15 ft SE of main channel through springs. Jericho Valley 7.5' quad. Comment
  UCD48028  Thermopsis californica var. californica R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 20 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UCD95951  Thermopsis californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7066 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  JEPS65662  Thermopsis californica var. californica Willis L. Jepson 1895-4-27 13584 Napa Union Station Napa Valley, Napa River Basin Comment
  JEPS126090  Thermopsis macrophylla Jake Ruygt 1976-5-7 65 Napa 8.0 miles NE of Westgate Drive on Atlas Peak Road. Capell Valley 7.5' Qua. Comment
  CAS-BOT-BC66496  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66499  Thysanocarpus curvipes Alice Eastwood 1918-5-1 6846 Napa Mount Saint Helena. Comment
  CAS-BOT-BC66515  Thysanocarpus curvipes Paul F. Covel 1940-4-28 1706 Napa Pac-Union College-Pope Valley Road. Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UCD148799  Thysanocarpus curvipes Ellen Dean; Diana Hickson 2014-4-29 8106 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 513 Comment
  UCD20024  Thysanocarpus curvipes C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1214 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  CAS-BOT-BC66490  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  CAS-BOT-BC66491  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  CAS-BOT-BC66494  Thysanocarpus curvipes David D. Keck 1931-4-2 1052 Napa 4 miles south of Monticello, eastern Napa county. Comment
  UC11003  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 C Napa hills e St. Helena; e of St. Helena Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  JEPS106585  Thysanocarpus radians Jake Ruygt 1997-3-8 3803 Napa south of Butts Canyon Road intersection with James Creek Rd 210 Comment
  CAS-BOT-BC67307  Thysanocarpus radians Catherine Best 1983-4-28 s.n. Napa Southeast side of Atlas Peak Road about 6.5 miles from the intersection of Monticello Road. Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. Comment
  UCD54649  Tonella tenella Collector Unknown 2006-5-5 s.n. Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UC875671  Torilis nodosa M. S. Jussel 1937-5-23 Napa Palisades 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
  JEPS48385  Torreya californica Kellogg 1888 Napa Mt. St. Helena Comment
  SBBG321  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Hwy 29, E side of Mt St Helena, 1 mi N of summit of rd Comment
  CAS-BOT-BC172957  Toxicodendron diversilobum Alice Eastwood 1918-5-1 6867 Napa Mt. St. Helena Comment
  JEPS63910  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19478 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63928  Toxicodendron diversilobum W. L. Jepson 1915-4-22 6230 Napa hills east St. Helena Comment
  UC869555  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Napa Calistoga Comment
  UCD48423  Toxicodendron diversilobum A. Van Houtte; E. Leger, C. Hohn 2001-4-14 18 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; South Decker Canyon Rd. south of junction with Cut-Off Rd. 198 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
  UC127171  Trichostema lanceolatum Harley P. Chandler Sep 7-14 1906 7136 Napa Alta Loma Ranch Howell Mountain 304 Comment
  UCD67610  Trichostema laxum D. Sanchez-Mata 1996-7-15 s.n. Napa Winters-Napa. Capell Valley. Serpentine plant communities near the stream in Capell Creek. 250 Comment
  JEPS108658  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa NW of; ; NW of Buzzard's Roost, N end of Stag's Leap. Yountville Quad Comment
  JEPS120349  Trichostema ruygtii Jake Ruygt 2004-8-7 4642 Napa Green Valley Ranch near Solano County line. Mount George 7.5' Quad. Comment
  UC1925874  Trifolium Ethel Crum 1931-1 1054 Napa Pope Valley Comment
  UCD111351  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  UC160916  Trifolium albopurpureum var. albopurpureum Joseph P. Tracy 1902-5-15 1482 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  JEPS117952  Trifolium alexandrinum Timothy H. Milliken with Michele Lee and Jake Ruygt Jun 14-17 2010 Napa plant found in two locations at Napa Co. Airport west of runway 18-36 in field alongside access road and on the west side of Lasco Road in line runway 9-24 Comment
  JEPS106693  Trifolium barbigerum var. barbigerum Jake Ruygt 1986-4-14 1704 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 448 Comment
  UC1925870  Trifolium bifidum Ethel Crum 1931-1 1055 Napa Pope Valley Comment
  UCD17964  Trifolium bifidum Ellen Dean; Kate Mawdsley 2001-4-9 683 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
  UCD16046  Trifolium bifidum var. bifidum R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 19 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moderately moist soil, east facing slope, sunny. Herb, 10-13 cm tall, flowers light pink to lavender. Comment
  JEPS106796  Trifolium bifidum var. decipiens Jake Ruygt 1993-4-12 3199 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  JEPS106830  Trifolium campestre Jake Ruygt 1996-5-13 3671 Napa Wontrop Wildlife Santuary, Hardin Road, Pope Valley 310 Comment
  OBI12704  Trifolium ciliolatum R. L. Hoover 1968-4-20 46 Napa On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd Comment
  UC1543228  Trifolium ciliolatum Donald G. Nelson 1936-4-1 124 Napa along trail (to Green Valley Falls) Comment
  UCD117477  Trifolium depauperatum var. depauperatum Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Right next to road. Ca. 0.1 mile northeast from fire station. On north side of road. 518 Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  JEPS65737  Trifolium depauperatum var. truncatum W. L. Jepson 1915-4-23 6244 Napa Conn Valley Napa Range Comment
  JEPS65748  Trifolium depauperatum var. truncatum Willis L. Jepson 1893-5-1 13723 Napa from Calistoga (rd to KNights Valley); Napa River Basin Comment
  RSA10688  Trifolium dichotomum Carl B. Wolf 1928-5-3 1799 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  POM182744  Trifolium dichotomum D. D. Keck 1931-4-2 1040 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  UCD35296  Trifolium dichotomum Beecher Crampton 1955-4-7 2428 Napa 7.8 miles north of Monticello. Comment
  CDA31271  Trifolium dubium D. G. Kelch 2010-5-6 10 .177 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD41327  Trifolium dubium Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  CHSC10583  Trifolium fucatum Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS100381  Trifolium fucatum Dean W. Taylor 2001-5-15 17654 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UC1197025  Trifolium fucatum Joseph P. Tracy 1902-5-17 1521 Napa 3-4 mi e Angwin's (at head of Moore's Creek); Northern Coast Ranges, Howell's Mtn 365 Comment
  UCD48023  Trifolium fucatum Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 10 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD35289  Trifolium fucatum Beecher Crampton 1955-4-7 2435 Napa 7.8 miles north of Monticello. Comment
  UCD83447  Trifolium gracilentum Jake Ruygt 1998-3-29 3899 Napa Suscol Ridge overlooking Jameson Canyon. 158 Comment
  JEPS106611  Trifolium gracilentum var. gracilentum Jake Ruygt 1996-4-10 3571 Napa Milliken Peak 219 Comment
  JEPS21829  Trifolium incarnatum Margaret Whitmore 1958-3-23 22 Napa 1 mi n Napa (on Atlas Peak Rd) 15 Comment
  UCD95677  Trifolium incarnatum Ellen Dean; with Clare Loughran 2011-5-20 7022 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  POM21662  Trifolium microcephalum C. F. Baker 1909-4-19 1994 Napa Calistoga. Comment
  UC1925901  Trifolium microcephalum Ethel Crum 1931-1 1063 Napa Pope Valley Comment
  UCD167165  Trifolium microcephalum Jake Ruygt 2015-4-20 6070 Napa Fernandes/ Land Trust, Snell Peak area. 319 Comment
  UCD111455  Trifolium microcephalum R. Tofsrud 1951-5-26 s.n. Napa Near Enterprise School. Comment
  UC1197498  Trifolium obtusiflorum Joseph P. Tracy 1902-5-15 1481 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UC1103455  Trifolium variegatum Joseph P. Tracy 1902-5-17 1523 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  UCD109419  Trifolium variegatum Helen K. Sharsmith 1963-4-20 5329 Napa Kelly Road, 4 miles south of Napa. 45 Comment
  UCD38371  Trifolium variegatum Beecher Crampton 1955-4-4 2389 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  JEPS4416  Trifolium variegatum var. variegatum Willis L. Jepson 1893-4-24 13708 Napa e St. Helena (hills, to Conn Valley Rd); Napa River Basin Comment
  UCR23914  Trifolium virescens John C. Roos 1939-4-15 279 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  UCD109892  Trifolium willdenovii R. Tofsrud 1951-5-20 s.n. Napa ca. 4 mi. W. of Oakville. Comment
  UCD118102  Trifolium willdenovii Megan Mateo; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD149706  Trifolium willdenovii 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
  UCD49030  Trifolium willdenovii S. Murphy; K. Keck and K. Dyer 2002-5-5 18 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines and tip parcels, NE from intersection of West and East Roads ca. 20 m. 328 Comment
  POM182732  Trifolium willdenovii D. D. Keck 1931-4-2 1053 Napa 4 miles S of Monticello, eastern Napa County. Comment
  POM18839  Trifolium willdenovii C. F. Baker 1903-4-19 1992 Napa Calistoga. Comment
  UCD19868  Trifolium willdenovii C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1197 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  UCD83426  Trifolium wormskioldii Jake Ruygt 1981-5-13 1020 Napa American Canyon, 0.2 mi E of Flosden Rd. 36 Comment
  UC504873  Trillium albidum R. M. Holman 1933-4-12 Napa near Mt. Veeder Mt. Veeder Comment
  RSA10656  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1928-5-3 1833 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS110638  Triphysaria eriantha Jake Ruygt 1994-3-26 3336 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  SEINET13750232  Triphysaria eriantha M. J. Williams 1967-5-7 s. n. Napa Pope Valley. 198 Comment
  JEPS120429  Triphysaria eriantha Jake Ruygt 2010-3-9 5483 Napa Lovell Valley Loop Rd. about 0.5 mi. south of Napa / Sonoma Line. Comment
  JEPS3976  Triphysaria pusilla Willis L. Jepson 1893-4-25 21410 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, lower hillsides Comment
  UCD123421  Triphysaria versicolor subsp. faucibarbata L. P. Thibault 1995-6-2 59 Napa West side of Lower Chiles Road. 0.25 miles northwest of Highway 128. 300 Comment
  UC1301196  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-4-20 5356 Napa Wooden Valley; San Francisco Bay Region 213 Comment
  JEPS110930  Triteleia hyacinthina Jake Ruygt 1995-6-5 3486 Napa Taylor property, about 2 miles south of Lake Hennessey. 432 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
  JEPS110913  Triteleia laxa Jake Ruygt 1981-5-27 1044 Napa American Canyon, .3 mile east of Flosden Rd. 91 Comment
  UCD68005  Triteleia laxa Bill Wengeler 1995-4-16 s.n. Napa long Knoxville Road, approximately 4 miles North of Highway 128. 177 Comment
  UCD21718  Triteleia laxa Robin McMaster 1972-4-9 49 Napa Lake Berryessa, shaded grassy slope. Comment
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Dec 18 2011
  UC15022  Triteleia lugens J. P. Tracy 1902-5-15 1450 Napa 3-4 mi e Angwuns (head of Moore's Creek); Howell Mtn 457 Comment
  IRVC27660  Triteleia peduncularis Robert F. Hoover 1938-6-8 3541 Napa S Fork of Butts Creek. Comment
  UCD160647  Triteleia peduncularis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8733 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD167447  Triteleia peduncularis James A. Neilson Jr. 1979-5-25 3972 Napa 1/4 mi south old Knoxville store. (Neilson's notebook says 200 yards south of Knoxville Store, while notes on specimen say 1/4 mile south of old Knoxville store. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC91202  Umbellularia californica Elsa G. Ruckert 1960-2-27 7 Napa 6495 Dry Creek Road. 365 Comment
  RSA15671  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mt. St. Helena grade, at Mt. St. Helena Inn. Comment
  RSA187424  Umbellularia californica John H. Thomas 1966-3-22 11530 Napa R. L. Stevenson State Park on the eastern slopes of Mt. St. Helena along highway 29 between Middletown and Calistoga. 762 Comment
  UC483307  Umbellularia californica Ira L. Wiggins 1932-3-12 5754 Napa 1 mi n of Calistoga (North Fork of Napa River); North Fork of Napa River Comment
  UCD162094  Umbellularia californica Dylan O. Burge 2014-3-15 1491 Napa Mount Saint Helena. Comment
  UCD170195  Umbellularia californica Daniel Potter 2015-3-14 762 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 282 Comment
  UCR12034  Umbellularia californica Coleta A. Lawler 1964-3-24 15 Napa Redwood Road, just west of junction with Browns Valley Road. 8 Comment
  CAS-BOT-BC91197  Umbellularia californica W. R. Dudley 1895-2-20 s.n. Napa Head of Knight's Valley. Comment
  JEPS36213  Uropappus lindleyi W. L. Jepson 1923-4-29 9891 Napa St. Helena Comment
  UC36689  Uropappus lindleyi Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) 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
  UCD38862  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. 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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