Search Results — 2000 specimen records retrieved (1446 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
  JEPS122719  Abutilon theophrasti Jake Ruygt 1996-9-2 3767 Napa SW corner, Silverado Trail at Pope Street, St. Helena. Quad: St. Helena. Comment
  UCD54553  Acacia baileyana Ellen Dean 2005-10-12 2741 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC331522  Acer macrophyllum Elsa G. Ruckert 1960-3-13 25 Napa 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  JEPS78438  Acer macrophyllum Edward Lee 1936-3-15 1805 Napa Rutherford - Pope Valley road 3/4 mi out Rutherford; Rutherford - Pope Valley road Comment
  UCD148566  Acer macrophyllum Jake Ruygt 1976-4-15 9 Napa Napa County; 0.5 miles north of Angwin on Howell Mt. Road. 512 Comment
  UCD117127  Acer negundo Loren Ruport 1996-4-28 25 Napa city of Napa, near Napa College. South of Kaiser Road and West of Highway 129. 5 Comment
  UCD161303  Acer negundo Jake Ruygt 1979-4-2 472 Napa Napa Creek at First Street bridge, Napa. (Coordinates estimated by label maker at UC Davis). 4 Comment
  UCD148783  Achyrachaena mollis Ellen Dean; Diana Hickson 2014-4-29 8091 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  RSA195339  Achyrachaena mollis Gilbert Muth 1967-5-19 695 Napa Milliken Dam. 335 Comment
  UCD103790  Acmispon americanus var. americanus Edward Lee Greene 1979-6-1 s.n. Napa location unknown. Comment
  SJSU1361  Acmispon brachycarpus J. W. Tilden 1953-5-24 1038 Napa NE slope Mt St Helena 457 Comment
  UCD104044  Acmispon brachycarpus Beecher Crampton 1962-5-16 6422 Napa Napa County, 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  UCD168550  Acmispon brachycarpus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD170661  Acmispon brachycarpus 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. 139 Comment
  UCD47974  Acmispon brachycarpus Michele Disney; J. Westbrook,S. Ratay, R. Wolfson,A. Houser,S. Wathen 2000-4-22 15 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  UCD47976  Acmispon brachycarpus K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 14 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill, north-facing slope. 533 Comment
  JEPS44789  Adenostoma fasciculatum W. L. Jepson 1915-12-6 6584 Napa Howell Mt. Comment
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  UCD49132  Adenostoma fasciculatum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd. Down a steep SW-facing slope, about 20 ft. below trail. 231 Comment
  RSA126038  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1955-5-21 5108 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  CHSC43508  Adiantum jordanii Lowell Ahart 1976-3-7 1022 Napa About 1/10 mile south-east of the road, about 2 miles south-west of the Monticello Dam. 152 Comment
  SEINET3124749 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD137192  Adiantum jordanii D. H. Hartmann 1942-3-7 s.n. Napa in Green Valley. Comment
  UCD20431  Aegilops triuncialis E. Dean; w/ PLB 102 class 2002-5-4 1019 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 upper road leading to powerlines, steep, N-facing slope. 286 Comment
  SEINET11687432  Aegilops triuncialis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -317 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC202657  Aesculus californica Peter H. Raven 1950-6-20 2326 Napa St. Helena to Conn Valley, Napa Range Comment
  UCD136678  Aesculus californica David Lawfer 1952-5-4 161 Napa Napa. Comment
  UCD49077  Aesculus californica A. Collier; D. Caterson, S. Kenady 2002-5-4 8 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 30 m. 335 Comment
  UCR146888  Aesculus californica Kathleen Stockwell 2000-5-27 s.n. Napa Coast Range, along Napa Creek which flows to the Napa River, along Kingston Ave. in city of Napa, north of Browns Valley Rd. and Westwood Hills Park 30 Comment
  UCD160782  Agoseris grandiflora Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8662 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 552 Comment
  UC768683  Agoseris grandiflora var. grandiflora Robert F. Hoover 1941-6-8 5323 Napa E side of Mt. St. Helena. Comment
  CAS-BOT-BC29638  Agoseris grandiflora var. grandiflora Will Fottrell 1906-7-1 s.n. Napa Napa Comment
  JEPS104519  Agoseris heterophylla Jake Ruygt 1978-5-21 330 Napa 4.5 NE of Sage Canyon Rd. on Chiles-Pope Valley Rd. 259 Comment
  POM182727  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  UCD121182  Agoseris heterophylla Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7360 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. 405 Comment
  CAS-BOT-BC22753  Agoseris heterophylla P. H. Raven; G. L. Stebbins 1953-4-19 5316 Napa Steel Canyon 304 Comment
  POM203304  Agoseris heterophylla John T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  UC29363  Agoseris heterophylla var. heterophylla Willis L. Jepson 1894-5-1 Napa Conn Valley, (Napa River Basin); Napa River Comment
  JEPS36373  Agoseris hirsuta Willis L. Jepson 1894-7-19 Napa upper Napa Valley; , Napa River Basin Comment
  JEPS36384  Agoseris hirsuta Willis L. Jepson 1892-8-1 Napa Creston <illegible, may read breston> Comment
  SEINET238873  Agrostis diegoensis Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains above Wooden Valley. Comment
  UC186909  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain, head Moore's Creek 518 Comment
  UCR152417  Agrostis hallii Beecher Crampton 1957-6-4 4109 Napa Inner North Coast Ranges, North end of Capell Valley, above Capell Creek 213 Comment
  SEINET9326859  Agrostis hallii Unknown 1957-6-4 4109 Napa Napa Comment
  CAS-BOT-BC138819  Agrostis microphylla Beecher Crampton 1955-5-9 2749 Napa Meadow, supplied by the waters of Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  POM126100  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  CAS-BOT-BC139018  Agrostis pallens Joseph P. Tracy 1905-7-5 2210 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  POM126110  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Hills east of Calistoga 244 Comment
  UCD159958  Aira caryophyllea Alice Warrick 2006-6-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q44. 243 Comment
  RSA123594  Allium amplectens Milo S. Baker 1932-4-26 5963 Napa Monticello Road near Pope Valley. Comment
  RSA292972  Allium amplectens Reino Alava 1957-5-30 1019 Napa About two and seven tenths of a mile from Angwin, west side of Mt. Howell. Comment
  UC1198196  Allium amplectens Joseph P. Tracy 1933-6-2 12473 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  CAS-BOT-BC461087  Allium amplectens Alice Eastwood 1915-6-6 4607 Napa Mount Saint Helena Comment
  CAS-BOT-BC461090  Allium amplectens John Thomas Howell 1933-5-21 11319 Napa Hills east of Napa Comment
  POM215777  Allium amplectens David D. Keck 1933-5-29 2365 Napa Pope Creek bridge south of Walters Springs. Comment
  UCD167996  Allium cratericola James A. Neilson Jr. 1977-4-13 3863 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  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
  UCD48252  Allium falcifolium R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 15 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 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-BC469028  Allium falcifolium David D. Keck 1933-5-29 2375 Napa 1.3 miles south of Knoxville. Comment
  SEINET8122132  Allium falcifolium M. J. Williams 1967-5-7 s.n. Napa Butts Canyon. 244 Comment
  UCD161515  Allium falcifolium Jake Ruygt 1990-4-8 2472 Napa White Creek, Wild Horse Valley Ranch. 408 Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UC727025  Allium fimbriatum var. fimbriatum A. A. Heller 1941-5-3 16127 Napa near the summit of the first ridge w Knoxville Comment
  UCD161517  Allium lacunosum var. lacunosum Jake Ruygt 1990-5-5 2529 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  CAS-BOT-BC472783  Allium neapolitanum Alice Ackley 1957-3-30 s.n. Napa 2 miles east of Napa Comment
  UCD48742  Allium serra K. Mogel; B. Pekin and M. Higley 2002-5-4 11 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 900 ft. along the lower road that leads to the power lines; immediately downslope of road. 304 Comment
  UC518935  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 mi s Knoxville Comment
  UCD16031  Allium serra N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 24 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-2.5 dm tall, flowers light pink to lavendar. Comment
  UCD148578  Allium triquetrum Jake Ruygt 2006-4-15 4979 Napa Napa County; Calistoga. Highway 29, about 0.5 mi. south of Lincoln Ave. 111 Comment
  UCD21722  Allium unifolium Robin McMaster 1972-4-25 82 Napa Pope Valley. Comment
Read comments
Dec 18 2011
  RSA123585  Allium unifolium Milo S. Baker 1931-4-19 5421 Napa Along highway in Coun. Valley. Comment
  UCD148579  Allium vineale Jake Ruygt 1986-6-20 1826 Napa Napa County; between Tulocay Creek and Imola Ave. 3 Comment
  SEINET5010498  Allocarya stricta Unknown 1892-1 Napa Comment
  UC23568  Allophyllum divaricatum Willis L. Jepson 1893-1 Napa Angwin's meadows Howell Mt.; Napa R. Basin, , Angwin's meadows Comment
  UCD167205  Allophyllum divaricatum Jake Ruygt 2005-6-1 4883 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. 420 Comment
  UCD167207  Allophyllum divaricatum Jake Ruygt 1998-6-20 4045 Napa On Palisades trail from RLSSP, east of Table Rock. 701 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
  JEPS129105  Alopecurus pratensis Jake Ruygt 2016-4-12 6186 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. 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
  UCD39199  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
Read comments
Jun 12 2012
  CAS-BOT-BC136747  Amelanchier utahensis L. R. Abrams 1928-5-4 12281 Napa Mt. St. Helena toll house Comment
  CAS-BOT-BC136749  Amelanchier utahensis H. E. McMinn 1922-6-8 172 Napa Summit of Howell Mt. Comment
  CDA12096  Amelanchier utahensis G. F. Hrusa 1989-4-24 5931 Napa North Coast Biodiversity Arena; Edge of Pope Creek where Pope Creek Rd. crosses creek. Comment
  JEPS110658  Amelanchier utahensis Jake Ruygt 1989-4-22 2260 Napa 2.5 miles NE of Atlas Peak Rd. on Monticello Rd. 307 Comment
  UCD95904  Amelanchier utahensis Ellen Dean; with Clare Loughran 2011-5-20 7046 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD127157  Ammi majus Beecher Crampton 1973-6-25 8967 Napa 2 miles north of Oakville. Comment
  JEPS106984  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s. n. Napa on both sides of Dry Creek Road about 100 yds E of the interection with Wall Road, about five mi W of Oakville (just N of Yountville) Comment
  POM125422  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  UC13276  Amorpha californica var. napensis State Survey 2648 Napa on hills near Pope Valley Comment
  UCD56010  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. N of Hwy 29. Steep, north-facing slope above Garnet Cr. 400 Comment
  UCD56011  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. N of Hwy 29. Steep, north-facing slope above Garnet Cr. 400 Comment
  UCD48650  Amsinckia intermedia Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along E-facing ridge leading up to research station, close to gate of reserve. 371 Comment
  JEPS61121  Amsinckia intermedia Willis L. Jepson 1893-4-28 21080 Napa gorge n of Wooden Valley grade (w slope Napa Range, n of Mt. George); Napa River Basin, Napa Range, Mt. George Comment
  JEPS61139  Amsinckia intermedia W. L. Jepson 1924-4-6 10327 Napa mouth of Coun Creek, near St. Helena; Coun Creek Comment
  RSA0089449  Amsinckia intermedia A. A. Heller 1938-5-14 15093 Napa On the hills west of Napa on the highway to Shellville. Comment
  UCD170350  Amsinckia lunaris Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 849 Napa Knoxville Wildlife Area, along Nevada Creek. 452 Comment
  UCD170191  Amsinckia retrorsa Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 766 Napa Knoxville Wildlife Area, along Zim Zim Falls trail 381 Comment
  RSA0089964  Amsinckia retrorsa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC26969  Amsinckia vestita Alice Eastwood 1922-5-4 11260 Napa Calistoga Comment
  JEPS112621  Anagallis arvensis Jake Ruygt 1976-5-31 107 Napa .3 mile east of Hillcrest Dr. on Westgate Drive 79 Comment
  CAS-BOT-BC64137  Ancistrocarphus filagineus John Thomas Howell 1931-4-19 6446 Napa Conn Valley Comment
  CAS-BOT-BC64142  Ancistrocarphus filagineus John H. Thomas 1955-5-21 5171 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS104502  Ancistrocarphus filagineus Jake Ruygt 1996-4-27 3629 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Comment
  CAS-BOT-BC64140  Ancistrocarphus filagineus Peter H. Raven 1951-5-6 2822 Napa Silverado Trail 3/4 mile Conn Dam 182 Comment
  JEPS110887  Anemone oregana Jake Ruygt 1997-5-13 3851 Napa Monticello Road at north entrance to Leoma Lakes 385 Comment
  CDA40902  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 3 of 3 Comment
  UCD151214  Angelica tomentosa Jake Ruygt 1999-7-28 4213 Napa Sage Canyon Rd. near Conn Dam. 79 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
  UC20807  Angelica tomentosa Willis L. Jepson 1893-9-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  CHSC102270  Anthemis cotula Lowell Ahart 2009-10-12 16415 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD129050  Anthemis cotula Kamala Crompton 1996-5-12 13 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD36376  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa Napa County, 8 miles south of Middletown, small meadow along Highway 53. Comment
  JEPS14068  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  JEPS14069  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  UCD164835  Antirrhinum cornutum Jake Ruygt 2012-6-2 5858 -b Napa Spanish Valley on south ridge. 347 Comment
  UCD63855  Antirrhinum cornutum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  UCR146404  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa Inner North Coast Ranges, 4.7 miles east of Conn Reservoir Dam on State Hwy. 128 244 Comment
  JEPS127863  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 201 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. 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
  JEPS83372  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 331 Napa just n Walter Springs Road intersection with Pope Canyon Road (3.2 mi e of Hardin Road, on n side of gravel road to Walter Springs, roadcut above Pope Creek); Walter Springs Quad. (7.5', 1959) 182 Comment
  UC1196865  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. P. Tracy 367 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  HSC83239  Antirrhinum virga D. M. Thompson 1983-6-16 334 Napa Napa/Lake Co. line, Twin Peaks Mine area along gravel road next to Bateman Creek, starting at junction of Oat Hill and Livermore Rds. 579 Comment
  CAS-BOT-BC451168  Aphanes Peter H. Raven 1953-3-29 5221 Napa Hills e. of Imola 121 Comment
  CDA11135  Apiastrum angustifolium G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11825 Napa North Coast Biodiversity Arena; Upper slopes of Mt. George Comment
  RSA653989  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  UCD47828  Apiastrum angustifolium M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 3 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 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
  POM256859  Apocynum X floribundum H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  UC914258  Apocynum androsaemifolium Verne Grant and Alva Grant 1946-5-26 7629 Napa s.e. slope of Mt. St. Helena Comment
  UCD18108  Aquilegia eximia K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 45 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  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
  JEPS53025  Arabis glabra Willis L. Jepson 1893-4-25 13387 Napa near St. Helena (Bed of Sulphur Springs Creek); Sulphur Springs Creek Comment
  JEPS106774  Arabis modesta Jake Ruygt 1998-4-18 3923 Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  RSA0128968  Arabis modesta Gilbert Muth 1967-3-22 593 Napa Lake Berryessa. 121 Comment
  CAS-BOT-BC128665  Arbutus menziesii Ira L. Wiggins 1928-3-25 2885 Napa Roadside 1 1/2 mi. N.E. of Calistoga Comment
  HSC83430  Arbutus menziesii R. Robichaux 1975-5-18 122 Napa 3.5 mi. W of Oakville 274 Comment
  UC1051645  Arbutus menziesii Peter Kamb, Francia Chisaki 1950-4-22 1756 Napa w side of Wooden Valley, on Cal Hwy #37 Wooden Valley 304 Comment
  SEINET11993676  Arbutus menziesii Unknown 1852-1 452 Napa no further locality Comment
  JEPS40130  Arceuthobium campylopodum W. L. J. 1897-7-12 Napa Samuel's Springs Comment
  UC549537  Arctostaphylos J. E. Adams 1934-3-10 643 Napa Mt. St. Helena 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
  JEPS116549  Arctostaphylos canescens Jake Ruygt 2002-7-13 4442 Napa End of Redwood Road, Archer Taylor Preserve, Tin Cabin Trail. Sonoma 7.5' Quad. Comment
  JEPS38625  Arctostaphylos canescens Willis L. Jepson 1893-9-23 14701 Napa summit of mt. Napa River Basin, 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-BC23962  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1963-9-23 105 Napa Near quarry, near Lake County Line, Mt. St. Helana. Adjacent to Silverado State Park. Comment
  CAS-BOT-BC23978  Arctostaphylos canescens subsp. canescens H. E. McMinn 1926-1-2 1629 C Napa Trail up Mt. St. Helena Comment
  CAS-BOT-BC23984  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. 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-BC23990  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12268 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC24020  Arctostaphylos canescens subsp. canescens Peter H. Raven 1953-2-21 5191 Napa Wooden Valley Grade 274 Comment
  CAS-BOT-BC24022  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS116574  Arctostaphylos canescens subsp. canescens Jake Ruygt 1978-3-19 248 Napa Mount Saint Helena. Detert Reservoir 7.5' Quad. Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  POM197361  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit Mt. St. Helena. Comment
  SDSU1489  Arctostaphylos canescens subsp. canescens D. F. Howe 1969-6-7 4634 Napa 2 miles south of Lake-Napa Co. line. 518 Comment
  UC571090  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-1-2 2612 Napa Toll House Canyon Mount St. Helena (near summit of mt.) Comment
  UC674755  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena Comment
  UCD73431  Arctostaphylos canescens subsp. canescens 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
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Sep 10 2013
  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
  UCD148592  Arctostaphylos crustacea subsp. crustacea G. F. Hrusa; G. L. Webster, J. M. Tucker 1994-10-29 11918 Napa Mt. George Napa Land Trust Reserve. 390 Comment
  UCD51496  Arctostaphylos glandulosa Collector unknown Date Unknown Napa Comment
  CAS-BOT-BC24863  Arctostaphylos glandulosa subsp. cushingiana Gertrude Raven Hardman 1967-12-25 s.n. Napa Pope Valley Comment
  RSA10632  Arctostaphylos glandulosa subsp. cushingiana C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC23149  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1918-9-3 7941 Napa Mt. St. Helena Comment
  JEPS106418  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1986-3-16 1654 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 463 Comment
  JEPS49565  Arctostaphylos glandulosa subsp. glandulosa W. L. Jepson 17996 Napa Adam-and-Eve Ridge Howell Mtn. Comment
  POM180779  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1930-7-13 5351 Napa On the edge of the Crater Country' Comment
  SBBG5421  Arctostaphylos glandulosa subsp. glandulosa Milton Workman 1953-3-23 26 Napa Mix Cyn Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena 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
  LA42186  Arctostaphylos manzanita C. B. Wolf; 1928-5-4 1861 Napa Mt St Helena Comment
  POM367348  Arctostaphylos manzanita H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA633049  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24806 Napa On southeast side of Mt. St. Helena. 810 Comment
  UCD162097  Arctostaphylos manzanita Dylan O. Burge 2014-3-15 1495 Napa Mount Saint Helena. 760 Comment
  UCD20785  Arctostaphylos manzanita N. Nicola; C. Kremen 2001-2-5 001 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  CDA38702  Arctostaphylos manzanita T. C. Fuller 1962-3-27 7892 Napa Road to Lake Berryessa (Hwy 37), 3.8 miles north of Wooden Valley. 0 Comment
  CAS-BOT-BC38917  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1926-10-3 2198 Napa Summit of Mt. St. Helena Comment
  JEPS106416  Arctostaphylos manzanita subsp. elegans Jake Ruygt 1978-3-19 245 Napa Mt. St. Helena 1097 Comment
  CAS-BOT-BC24287  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade 2 mi. below Hawkins Mt. Canyon. Comment
  CAS-BOT-BC38769  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  UC1005686  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 593 Napa 5 mi e Napa (just n of Mt. George) 228 Comment
  UC1388365  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-8-4 1425 Napa Mt. St. Helena North Coast Ranges 609 Comment
  UCD47968  Arctostaphylos manzanita subsp. manzanita S. Burgess; A. Hufton, J. Pierner, A. Ryan, B. Takahashi 2000-4-29 26 Napa Yolo Co/Napa Co line; McLaughlin Reserve, southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD95691  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7037 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  CAS-BOT-BC43835  Arctostaphylos stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mi north of Summit of Mt. St. Helena grade Comment
  CAS-BOT-BC43857  Arctostaphylos stanfordiana Alice Eastwood; John Thomas Howell 1935-2-11 1937 Napa 5 miles east of Napa on Wooden Valley Grade Comment
  CAS-BOT-BC43863  Arctostaphylos stanfordiana Alice Eastwood 1915-6-7 4696 Napa Mt. St. Helena Comment
  CAS-BOT-BC43868  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11089 Napa Calistoga Comment
  CAS-BOT-BC43870  Arctostaphylos stanfordiana Alice Eastwood 1922-5-4 11276 Napa Mt. St. Helena Comment
  CAS-BOT-BC43872  Arctostaphylos stanfordiana John Thomas Howell 1930-7-13 5356 Napa edge of the Crater Country Comment
  JEPS38676  Arctostaphylos stanfordiana Willis L. Jepson 1896-2-23 14723 Napa La Jota Plateau Napa Range, Napa River Basin, Howell Mt. Comment
  JEPS38878  Arctostaphylos stanfordiana W. L. Jepson 1936-12-2 17978 Napa near Four Corners; Napa Range, Howell Mt. Comment
  JEPS38884  Arctostaphylos stanfordiana W. L. Jepson 1936-12-7 17992 Napa Four Corners Napa Range, Howell Mt. Comment
  RSA636804  Arctostaphylos stanfordiana G. Gunnarson 1978-3-21 066 Napa 4 miles north on CA 121 past junc. of CA 121 and CA 128. Comment
  SD64429  Arctostaphylos stanfordiana Darley F. Howe 1966-6-3 4264 Napa 3 mi. S of Angwine 305 Comment
  UCD53853  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17 997 Napa On a cross-rift or rock traverse 1/4 mile below summit; Adam-and-Eve Ridge; Howel Mountain. Comment
  SEINET8729967 Image available Arctostaphylos stanfordiana Lewis S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi. NE. of Napa. Comment
  UCR212321  Arctostaphylos stanfordiana subsp. decumbens 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
  JEPS38681  Arctostaphylos stanfordiana subsp. stanfordiana W. L. Jepson 1924-4-27 10373 Napa Mt. St. Helena; at toll house Comment
  POM301551  Arctostaphylos stanfordiana subsp. stanfordiana N. Hollister 1909-07 13 Napa Mt. George Comment
  RSA3949  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1932-3-12 5768 Napa Hillside between Calistoga and Franz Valley. Comment
  RSA40107  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1948-3-8 48009 Napa Wooden Valley Grade, 6 miles NE of Napa. 183 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
  UC763150  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1940-8-25 4545 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC47454  Arctostaphylos viscida subsp. viscida H. E. McMinn 1922-6-8 198 Napa in Pope Creek Canyon Comment
  UC1388347  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-20 874 Napa Pope Creek North Coast Ranges Comment
  JEPS32463  Aristolochia californica W. L. Jepson 1939-9-12 19479 Napa York Creek near St. Helena Comment
  SFV957  Aristolochia californica H. Dearing, M. Dearing 1940-3-20 4147 Napa Near Napa. Comment
  UCD48560  Aristolochia californica C. Mathews; C. Little, K. Glover, T. Petrie 2001-4-14 7 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along Decker Bay Trail, 45 ft. NW of jct with West Rd. 152 Comment
  UC468967  Arnica discoidea H. P. Chandler 1907-5-19 7579 Napa St. Helena , White Sulphur Spring Comment
  UCD164773  Arrhenatherum elatius Jake Ruygt 2014-5-19 5947 Napa Sutro Ranch, Atlas Peak. 740 Comment
  SEINET258288  Artemisia douglasiana Unknown 1986-9-19 10231 Napa Napa County: in the northern end of the Napa Valley, on the west side of Calistoga. 110 Comment
  SEINET4343123  Artemisia pycnocephala Leila M. Shultz, John S. Shultz 1987-9-16 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  CDA2628  Arum italicum J. T. Howell 1970-3-19 46494 Napa Near Old Bale Mill 0 Comment
  JEPS129155  Arum italicum Jake Ruygt 1993-2-13 3162 Napa End of Poison Road (county road). Cordelia 7.5' Quad. Comment
  SEINET198881  Asclepias cordifolia H. E. Cott 1949-6-5 A- 137 Napa Along State Highway 28, Monticello mouth of Putah Canyon. Comment
  JEPS49860  Asclepias eriocarpa W. L. Jepson 1917-8-16 7433 Napa Knights Valley Comment
  UC22997  Asclepias fascicularis W. H. Brewer 1862-8-6 1321 Napa near Camp 84; Rag Canyon Comment
  CAS-BOT-BC478055  Asteraceae Paul F. Covel 1940-4-28 1709 Napa CCC-Las Posadas Camp - near Pac. Union College Comment
  CAS-BOT-BC180473  Astragalus breweri John Thomas Howell 1926-3-28 1777 Napa Myrtledale Hot Springs near Calistoga Comment
  UCD75830  Astragalus breweri Jake Ruygt 2005-5-16 4853 Napa Tubbs Lane at Myrtledale Rd., Calistoga; NE parcel. 122 Comment
  UCD75831  Astragalus breweri Jake Ruygt 1979-4-6 488 Napa 2.2 miles east of Butts Canyon Rd. on Snell Valley Rd. 195 Comment
  JEPS107256  Astragalus claranus Jake Ruygt 1985-3-30 1582 Napa Conn Valley Rd. along L. Hennessey 97 Comment
  CAS-BOT-BC178626  Astragalus clevelandii Edward Lee Greene 1883-8-1 s.n. Napa N. side of Mt. St. Helena Comment
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon Comment
  UCD170571  Astragalus clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 813 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  UCD170808  Astragalus gambelianus 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  CAS-BOT-BC193128  Astragalus rattanii var. jepsonianus Baker 1938-4-24 8938 Napa Near Pope Valley Comment
  CAS-BOT-BC27753  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  RSA591760  Athysanus pusillus J. C. Roos 1939-4-18 277 Napa Snell Valley, Pacific Union College, Angwin. Comment
  UCD170302  Athysanus pusillus Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 842 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  UCR23605  Athysanus pusillus John C. Roos 1939-4-18 277 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  HSC6515  Athysanus pusillus C. B. Wolf 1928-5-3 1831 Napa At the summit of the Mt. St. Helena Grade, Mt. St. Helena Comment
  UCD161747  Athysanus pusillus Jake Ruygt 1994-2-26 3403 Napa Chiles Canyon at marker 3.0, 0.4 mile to Chiles Valley Road. 274 Comment
  JEPS126099  Atriplex rosea Jake Ruygt 1991-9-21 2840 Napa Kennedy Park, north of the boat ramp. Napa 7.5' Qua. Comment
  CAS-BOT-BC146197  Avena barbata John H. Thomas 1955-5-21 5105 A Napa Sarco Creek drainage, near State Highway. No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC145929  Avena fatua Peter H. Raven 1952-5-9 4082 Napa Napa River 1 mile north Napa. 60 Comment
  RSA136311  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  JEPS104527  Balsamorhiza macrolepis Jake Ruygt 1981-4-20 988 Napa American Canyon east of Flosden Rd. 152 Comment
  JEPS104572  Balsamorhiza sericea Jake Ruygt 1988-5-29 2189 Napa east tributary of Sensitive Plant Canyon 414 Comment
  JEPS106775  Barbarea orthoceras Jake Ruygt 1977-3-7 146 Napa hills east of east end Westgate Dr., Silverado Country Cl. 213 Comment
  UCD114278  Barbarea orthoceras G. F. Hrusa; G. L. Stebbins 1994-3-11 11601 Napa Ink Grade, approx. 2 m. NE of angwin. 450 Comment
  UCD35478  Barbarea vulgaris Beecher Crampton 1957-4-15 3932 Napa Napa County; Vaca Mtns., east slope of Wragg Canyon, Hwy. 128. Comment
  JEPS126098  Bassia hyssopifolia Jake Ruygt 1992-7-14 3094 Napa Southwest of American Canyon Creek near county line. Cuttings Wharf 7.5' Qua. Comment
  JEPS123015  Beckmannia syzigachne Jake Ruygt 1992-5-18 2973 Napa Ecological Reserve, Yountville Cross Road, Napa River. Quad: Yountville. Comment
  JEPS11297  Bellardia trixago W. L. Jepson 1921-5-6 9195 Napa w of Napa (on Sonoma road) Comment
  UCD18172  Bellardia trixago Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD48229  Bellardia trixago K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 28 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of creek, east of Old Knoxville Rd. 426 Comment
  CAS-BOT-BC75846  Berberis pinnata L. R. Abrams 1928-5-3 12255 Napa Summit Saint Helena Grade. Comment
  UC118106  Berberis pinnata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  UCD148774  Beta vulgaris subsp. maritima Jake Ruygt 1991-9-14 2838 Napa Napa County; American Canyon, northwest of end of Mini Drive. 2 Comment
  UCD129588  Blennosperma nanum Charles B. Heiser Jr. 1947-2-16 1882 Napa 3 miles north of Napa, near junction of Silverado Trail and road from Monticello. Comment
  UCD114362  Boechera breweri Robert E. Preston 1987-6-20 570 Napa E side of Putah Creek ca. 3500 ft s of its confluence with Hunting Creek. 243 Comment
  POM230569  Boisduvalia stricta J. T. Howell 1937-7-4 13059 Napa Wooden Valley Grade Comment
  CHSC102271  Bolboschoenus maritimus subsp. paludosus Lowell Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC31396  Bolboschoenus robustus Peter H. Raven 1951-9-9 3900 Napa Slaughterhouse Pt. Napa River 0 Comment
  CAS-BOT-BC31394  Bolboschoenus robustus John Thomas Howell 1932-10-8 10807 Napa Tidal flat at Cuttings Wharf on Napa River. Comment
  JEPS112548  Boykinia occidentalis Jake Ruygt 1979-6-28 722 Napa Milliken Canyon, south wall 121 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
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  CAS-BOT-BC106271  Brickellia californica H. E. McMinn 1922-8-2 398 Napa Dutch Canyon [Canon] Comment
  CAS-BOT-BC145367  Briza minor John H. Thomas 1955-5-21 5132 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  HSC9100  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  POM182763  Briza minor H. P. Chandler 1900-5-7 627 Napa Rutherford. Comment
  RSA10684  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA247335  Briza minor Gary D. Wallace 1967-5-27 767 Napa Northwest of St. Helena on Howell Mtn. Rd. 2 mi west of Pacific Union College. Comment
  UC1442869  Brodiaea californica var. leptandra Theodore F. Niehaus 1966-5-24 680 Napa 3.9 mi w Pope Valley (on Ink Grade Rd) Comment
  JEPS121547  Brodiaea elegans subsp. elegans Adam C. Schneider with Dick O'Donnell 2013-5-26 207 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  UCD148735  Brodiaea elegans subsp. elegans Jake Ruygt 1980-6-4 911 Napa Napa County; 4.6 miles NE of Silverado Trail on Soda Canyon Rd. 335 Comment
  UCD170451  Brodiaea elegans subsp. elegans Daniel Potter; Ninh Khuu 2016-6-8 880 Napa Knoxville Wildlife Area, flat grassy area just east of Berryessa-Knoxville Road, just south of barn. 235 Comment
  RSA376767  Brodiaea elegans subsp. elegans Robert Gustafson, Don Reynolds 1983-6-7 2742 Napa Snell Valley Road, about 1 mile northeast from the jct of Butts Canyon Rd. Comment
  CAS-BOT-BC484199  Brodiaea elegans var. elegans Rimo Bacigalupi 1928-6-20 1864 Napa Howell Mt 10 miles west of St. Helena Comment
  SEINET6165242 Image available Brodiaea laxa Unknown 1981-6-22 s.n. Napa 9.9 miles S. of Middleton, down Butts Canyon Rd. Comment
  UCD168502  Brodiaea leptandra Shannon Hickey 2017-6-15 9 Napa along the west fork of Wild Horse Valley Road between Leoma Lakes and Wild Horse Valley. (Locality information and elevation interpreted by label maker from the collector provided coordinates.) 432 Comment
  RSA125806  Brodiaea terrestris subsp. terrestris Peter H. Raven 1958-5-5 10750 Napa Near the Hot Springs, Calistoga. 91 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
  UCD81827  Bromus carinatus var. carinatus Ellen Dean 2009-4-24 5454 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CAS-BOT-BC155843  Bromus catharticus var. elatus Peter H. Raven 1951-5-20 2836 Napa Oakville. 48 Comment
  CAS-BOT-BC155071  Bromus hordeaceus Peter H. Raven 1953-5-2 5358 Napa Yountville. Along railroad tracks. 76 Comment
  HSC43959  Bromus hordeaceus Robert M. Specht 1977-4-19 690 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD58810  Bromus hordeaceus R. Tofsrud 1949-5-5 s.n. Napa Near Basalt. Comment
  CAS-BOT-BC155330  Bromus laevipes Peter H. Raven 1952-5-31 4151 Napa West of Rector Dam. 182 Comment
  CDA10878  Bromus laevipes G. F. Hrusa, M. Rejmanek 1993-5-15 10973 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA31339  Bromus laevipes D. G. Kelch 2010-5-6 10 .174 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS75643  Bromus laevipes W. L. Jepson 1936-5-31 17567 Napa Napa Range, Howell Mountain Howell Mountain; Napa Range, Howell Mountain Comment
  JEPS76075  Bromus laevipes W. L. Jepson 1938-5-18 18787 Napa behind the St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  UC1010990  Bromus laevipes Virginia Bufford 1936-5-20 321 Napa Calistoga-Healdsburg Highway at Sonoma-Napa County line Calistoga-Healdsburg Highway; , Sonoma-Napa County line Comment
  UCD58930  Bromus laevipes Beecher Crampton 1957-6-4 4108 Napa Above Capell Creek. North end of Capell Valley. Comment
  UCD58972  Bromus madritensis A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3545 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC161828  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa. Cemetary. 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
  UCD17981  Bromus rubens Ellen Dean; with Plant Biology 102 class 2001-4-14 707 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along North Decker Canyon Trail, N of trail. 182 Comment
  UCD37684  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD57744  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD20821  Calandrinia ciliata N. Nicola 2001-3-29 037 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  RSA15665  Calocedrus decurrens C. B. Wolf 1928-2-25 1508 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  HSC15340  Calochortus amabilis C. B. Wolf 1928-5-3 1787 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  HSC81868  Calochortus amabilis Thomas W. Nelson, Jane P. Nelson 1980-5-3 5140 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC13849  Calochortus amabilis Harley P. Chandler May 1898 Napa Howell Mt. 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
  UCD18163  Calochortus amabilis Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  SBBG953  Calochortus amabilis H. and M. Dearing 1939-4-30 3236 Napa N of Saint Helena Comment
  UCD139528  Calochortus luteus A. Amezcua 1995-5-26 25 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  UCD139540  Calochortus luteus L. P. Thibault 1995-6-2 55 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  SEINET4169882  Calochortus luteus Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15076 Napa In Chaparral, 20 miles north of Napa Comment
  UCD139531  Calochortus luteus M. Ensign 1943-5-28 322 Napa 21 miles from Monticello on road to Lower Lake. Comment
  UCSB638  Calochortus pulchellus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek, 1.8 miles east of end of Conn Lake 76 Comment
  UC768703  Calochortus tolmiei R. F. Hoover 1941-4-27 4951 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC132620  Calochortus uniflorus Milo S. Baker 1927-4-23 2202 a Napa Calistoga Geyser Comment
  JEPS113986  Calochortus uniflorus Jake Ruygt 1981-5-6 1011 Napa Highway 28, 0.2 mile south of Lower Chiles Valley Road. Chiles Valley 7.5' Quad. Comment
  RSA537549  Calochortus vestae Barbara Ertter, Annetta Carter 1989-5-28 8501 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
  UC1876266  Calycadenia fremontii Gerald D. Carr 1974-5-28 762 Napa 3.3 mi SE of Howll Mt. Rd. on Conn Valley Rd. Comment
  RSA255589  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa Junction of Lower Chiles Valley and Pope Valley Roads Comment
  CAS-BOT-BC270819  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 miles S of Berryessa - Knoxville Road on Devilhead Road, Cedar Valley Comment
  CAS-BOT-BC270837  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lower Lake, northern part of county Comment
  JEPS104713  Calycadenia pauciflora John L. Morrison 1936-9-19 1947 A Napa Knoxville Mines Comment
  JEPS38573  Calycadenia truncata W. L. Jepson 1892-10-22 Napa near, Park Hill St. Helena; Park Hill Comment
  CAS-BOT-BC271574  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271556  Calycadenia truncata subsp. truncata H. M. Hall 1924-8-24 s.n. Napa St. Helena Comment
  CAS-BOT-BC271598  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-14 11945 Napa Howell Mt. Comment
  LA204508  Calycanthus occidentalis Joseph Andorfer Ewan; 1934-4-30 8850 Napa near White Cottages below Pope Valley Comment
  POM210622  Calycanthus occidentalis Joseph A. Ewan 1933-9-17 8010 Napa Mt. St. Helena summit road 2.5 miles out of Calistoga. Comment
  SBBG2304  Calycanthus occidentalis E. R. Blakley 1956-12-23 2016 Napa base of Linda Falls, Angwin 426 Comment
  UCD137917  Calycanthus occidentalis J. P. Smith; J. O. Sawyer 1970-5-17 3771 Napa 3 miles south of Pope Valley. Comment
  SEINET12093077  Calycanthus occidentalis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -332 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CDA33443  Calystegia collina subsp. collina Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  HSC81855  Calystegia collina subsp. collina Thomas W. Nelson, Jane Nelson 1980-5-3 5136 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  RSA0059891  Calystegia collina subsp. collina C. F. Baker 1903-5-8 2968 Napa Knoxville. Comment
  CAS-BOT-BC223617  Calystegia collina subsp. oxyphylla Lewis S. Rose 1934-5-23 34277 Napa N. slope Mt. St Helena Comment
  UCD126156  Calystegia occidentalis Jack Major 1961-6-13 544 Napa Monticello Dam, State Highway 128. Comment
  UCD48863  Calystegia purpurata K. Mogel; B. Pekin and M. Higley 2002-5-4 18 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the upper road that leads to the power lines; on side of road. 335 Comment
  JEPS31643  Calystegia purpurata Willis L. Jepson 1893-4-25 14517 Napa range w St. Helena (Napa River Basin, trail to <?>au<?>s Cabin); Napa River Basin, range w of St. Helena Comment
  CAS-BOT-BC224630  Calystegia purpurata subsp. purpurata John Thomas Howell 1931-4-3 6119 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS106402  Calystegia purpurata subsp. purpurata Jake Ruygt 1989-6-3 2363 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 396 Comment
  UCD161221  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1981-5-13 1023 Napa American Canyon, 0.3 miles east of Flosden Road. (Note from label maker: the township/range data provided with this record does not agree with the location. Record was georeferenced according to location data) 164 Comment
  POM66475  Camissonia ovata Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD69010  Campanula griffinii P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  CAS-BOT-BC37118  Capsella bursa-pastoris Elsa G. Ruckert 1960-2-20 3 Napa 6495 Dry Creek Road. Southwest of house. 365 Comment
  UCD114140  Capsella bursa-pastoris David Lawfer 1952-3-11 107 Napa Napa. 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
  UCD17985  Cardamine oligosperma Ellen Dean; with Plant Biology 102 class 2001-4-14 711 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD18006  Carduus pycnocephalus Ellen Dean; with Plant Biology 102 class 2001-4-28 738 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. NW-facing slope near old road that goes downslope from West Rd. 243 Comment
  CAS-BOT-BC281786  Carduus tenuiflorus John H. Thomas 1955-5-21 5123 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD160570  Carex G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  CAS-BOT-BC17797  Carex amplifolia Hugh Leech 1972-11-6 s.n. Napa Napa Range. 2.5 miles north of Angwin. 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
  JEPS121351  Carex barbarae Jake Ruygt 2006-4-15 4990 Napa S. of Yountville, w. side of Hwy 29. Comment
  JEPS63518  Carex densa W. L. Jepson 1936-7-2 17640 Napa Angwin Meadow, Howell Mountain Napa Range Comment
  UCD140261  Carex densa K. Esau 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UCD161742  Carex densa Jake Ruygt 1993-4-20 3216 Napa Yountville Ecological Reserve, Yountville Cross Road. 28 Comment
  JEPS121350  Carex dudleyi Jake Ruygt 2006-4-15 4980 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  RSA88793  Carex dudleyi L. S. Rose 1935-6-4 35205 Napa E. slope Mt. St. Helena Comment
  JEPS63727  Carex feta W. L. Jepson 1918-6-24 7666 Napa half way to tollhouse from Calistoga; Mt. St. Helena, Silverado 109 Comment
  UC1115816  Carex feta Joseph P. Tracy 1938-6-6 15845 Napa between Napa City and Yountville 30 Comment
  JEPS121321  Carex globosa Jake Ruygt 2004-5-29 4606 Napa Van Ness Canyon north of wildwood estate. Comment
  UC50830  Carex multicaulis J. P. Tracy 1902-5-21 1616 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 487 Comment
  CAS-BOT-BC119512  Carex nudata Ella D. Cantelow 1939-4-8 2501 Napa 3.5 mi NW of Knoxville. Comment
  JEPS121336  Carex nudata Jake Ruygt 1984-3-20 1506 Napa Bear Canyon Comment
  RSA155418  Carex nudata L. S. Rose 1961-3-30 61024 Napa Lake Hennessy. 61 Comment
  UC2043155  Carex praegracilis Barbara Ertter with Jake Ruygt 1996-4-25 14603 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UC1147830  Carex senta Alice Eastwood, John Thomas Howell 1937-4-4 3826 Napa near summit N of Wooden Valley Comment
  UCD161694  Carex subbracteata Jake Ruygt 2010-4-19 5509 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 Comment
  UCD141172  Carex subfusca L. S. Rose 1935-6-4 s.n. Napa Mt. Helena. 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
  POM203724  Castilleja affinis J. T. Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  RSA128552  Castilleja affinis Peter H. Raven 1952-5-26 4071 Napa E. side Wooden Valley Grade. 305 Comment
  SFV8664  Castilleja affinis W. P. Hackett 1960-4-10 15 Napa State Highway 37, 23.2 miles west of Winters. In partial shade on steep, west facing slope. Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  UC103530  Castilleja affinis subsp. affinis Mrs. Goetsche 1901-5-1 Napa Angwin Comment
  UC1281079  Castilleja affinis subsp. affinis H. E. McMinn 1923-5-25 959 Napa between Rockville and Wooden Valley; Suisun Creek Comment
  UC1301210  Castilleja affinis subsp. affinis Helen K. Sharsmith 1963-4-20 5355 Napa above Wooden Valley (on Monticello, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  UCD164766  Castilleja affinis subsp. affinis Jake Ruygt 2014-5-10 5938 Napa Monticello Road about 0.1 mile north of first corner of Wooden Valley grade. 341 Comment
  JEPS110629  Castilleja affinis subsp. neglecta Jake Ruygt 1986-5-17 1767 Napa .5 miles north of Flosden Rd. and American Canyon Rd. 170 Comment
  JEPS110630  Castilleja ambigua subsp. ambigua Jake Ruygt 1980-6-1 909 Napa Milton Rd. across from yacht club 0 Comment
  JEPS110631  Castilleja ambigua subsp. ambigua Jake Ruygt 1985-5-18 1598 Napa Foss Valley 435 Comment
  JEPS9137  Castilleja ambigua subsp. ambigua W. L. Jepson 1893-4-24 21401 Napa hills e St. Helena to Conn Valley Grade (Howell Mt. foothills); Napa River Basin, Howell Mt. Comment
  UCD70470  Castilleja applegatei subsp. martinii P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, hillsides off hwy 128. 73 Comment
  JEPS103916  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7835 Napa Near summit between Calistoga and Middletown. 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
  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
  JEPS110628  Castilleja densiflora subsp. densiflora Jake Ruygt 1978-5-14 309 Napa .3 mile south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS21807  Castilleja densiflora subsp. densiflora Margaret Whitmore 1958-4-11 42 Napa 2 mi n Napa (on Atlas Peak Road) 16 Comment
  JEPS9409  Castilleja densiflora subsp. densiflora Willis L. Jepson 1893-4-27 21376 Napa Napa City Napa River Basin Comment
  JEPS17096  Castilleja exserta subsp. exserta Rimo Bacigalupi with John Dawson 1955-4-25 4845 Napa junction of State Highway 37 State Highway 128 ((Soda Creek and Conn Creek roads)); Inner North Coast Ranges 112 Comment
  POM15474  Castilleja foliolosa C. F. Baker 1903-4-20 2630 Napa Mt. St. Helena. Comment
  JEPS110656  Castilleja minor subsp. spiralis Jake Ruygt 1982-3-10 1125 Napa north side of American Canyon 128 Comment
  JEPS25050  Castilleja minor subsp. spiralis J. P. Tracy 1899-7-5 372 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Howell Mountain, head of Moore's Creek 365 Comment
  UC885436  Castilleja minor subsp. spiralis Milo S. Baker 1938-8-22 9222 Napa Lower Lake to Knoxville Road (just s of Lake-Napa County line) Comment
  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
  JEPS11160  Castilleja rubicundula subsp. lithospermoides Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  JEPS41078  Castilleja rubicundula subsp. rubicundula Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9099 Napa ca 7 mi se Knoxville (at the head of Devilhead Road, at center of Cedar Valley); Cedar Valley 579 Comment
  UCD48216  Castilleja rubicundula subsp. rubicundula S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 24 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD149597  Catalpa bignonioides 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
  UCD47951  Caulanthus lasiophyllus J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 13 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  SBBG122273  Ceanothus confusus D. O. Burge 2008-5-31 1005 b Napa Spring Mtn Rd near small reservor at BM 626, 1.7 rd mi W of intersection with Madrona Ave, York Crk, Mayacmas Mtns 200 Comment
  UCD95690  Ceanothus cuneatus Ellen Dean; with Clare Loughran 2011-5-20 7036 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  CAS-BOT-BC49785  Ceanothus divergens John Thomas Howell 1941-4-5 16162 Napa Franz Valley Comment
  CAS-BOT-BC49791  Ceanothus divergens C. H. M. 1907-7-27 s.n. Napa Mt. St. Helena 731 Comment
  CAS-BOT-BC49793  Ceanothus divergens D. O. Burge; S. Ray 2009-1-15 Dylan O. Burge 1021 b Napa south of Kortum Canyon, near the border of Napa County with Sonoma County 240 Comment
  CAS-BOT-BC49798  Ceanothus divergens John Thomas Howell 1941-4-5 16159 Napa Franz Valley 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-BC64435  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  POM161253  Ceanothus divergens R. C. Bacigalupi 1926-3-28 s.n. Napa Between 1st and 3rd summit; Mt. St. Helena Comment
  POM85919  Ceanothus divergens Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena 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
  UCSB24496  Ceanothus divergens Baker, Milo Napa Franz Valley 5 miles west of Calistoga Comment
  UC67651  Ceanothus foliosus E. L. Greene Apr 1892 Napa Mt. St. Helena Comment
  UCD112130  Ceanothus foliosus M. Wiesendanger 1927-5-4 697 Napa Monticello Road. Comment
  CAS-BOT-BC50877  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  CAS-BOT-BC50909  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4566 Napa Petrified Forest Comment
  CAS-BOT-BC50914  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  JEPS42434  Ceanothus foliosus var. foliosus W. L. Jepson 1924-4-6 10318 Napa Howell Mountain, Napa Range 914 Comment
  UCD112135  Ceanothus foliosus var. foliosus M. Wiesendanger 1928-4-5 s.n. Napa Monticello Road. Comment
  UCD164751  Ceanothus foliosus var. foliosus Jake Ruygt 2014-6-7 5974 Napa Livermore Ranch, Montesol. 838 Comment
  CAS-BOT-BC50788  Ceanothus integerrimus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  UCD21539  Ceanothus integerrimus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 3 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next to first stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  CAS-BOT-BC474707  Ceanothus jepsonii Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersection with Berryessa-Knoxville Road 140 Comment
  CHSC22530  Ceanothus jepsonii Robert A. Schlising; Glenn Keator 1962-1-25 2025 Napa Mount Saint Helena. Comment
  UCD112064  Ceanothus jepsonii Mrs. L. Rowntree 1930-7-15 s.n. Napa Sage Canyon. Comment
  UCD160572  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, west of Putah Creek. Comment
  UCR136728  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Coast Range, Sage Canyon 305 Comment
Read comments
Nov 27 2007
  RSA195385  Ceanothus jepsonii subsp. albiflorus Gilbert Muth 1967-4-9 600 Napa Aetna Spring Road. 305 Comment
  CAS-BOT-BC83783  Ceanothus jepsonii var. albiflorus D. O. Burge; C. Miller 2007-6-12 940 b Napa Mayacmas Mountains, at roadside on Livermore Road 535 Comment
  CDA11425  Ceanothus jepsonii var. albiflorus G. F. Hrusa, M. Tu 1995-5-6 12148 Napa North Coast Biodiversity Arena; approx. 1.25 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  JEPS79562  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1818 Napa Butt's Canyon Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  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-BC51562  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-26 974 b Napa Along Eticuera Creek tributary to Putah Creek Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  UC903054  Ceanothus oliganthus var. sorediatus Ethel Crum 1937-4-19 1780 Napa six mi n Napa; Napa Range, Mount George, n of Napa 304 Comment
  UCD112306  Ceanothus oliganthus var. sorediatus B. Crampton 1957-4-15 s.n. Napa Martley Canyon, Vaca Mountains. Comment
  CAS-BOT-BC53179  Ceanothus parryi M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC53225  Ceanothus parryi John Thomas Howell 1931-4-2 6057 Napa Wooden Valley Grade 4.5 miles east of Napa Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd Comment
  CAS-BOT-BC52181  Ceanothus purpureus Herbert L. Mason 1924-1-22 1200 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52183  Ceanothus purpureus John Thomas Howell 1931-4-2 6067 Napa Wooden Valley Grade 5 miles East of Napa Comment
  CAS-BOT-BC52195  Ceanothus purpureus Mrs. H. C. Hand 1913-6-8 s.n. Napa Napa mountains Comment
  CDA11149  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11560 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa. Comment
  RSA19010  Ceanothus purpureus J. T. Howell 1937-7-4 s.n. Napa Wooden Valley Grade Comment
  RSA19031  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  RSA202156  Ceanothus purpureus W. L. Jepson 1924-4-27 10321 Napa Howell Mt., a little below Toland House on Sanitarium road. 549 Comment
  UC870643  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa Five miles fron Napa on Monticello road. Comment
  UCR220104  Ceanothus purpureus Ayzik Solomeshch, Stephen Rae 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  POM172088  Ceanothus purpureus Lester Rowntree 1930-7-15 s.n. Napa On Hogsback, 7 miles east of Napa Comment
  UC521698  Ceanothus velutinus Joseph Andorfer Ewan 1933-9-17 8002 Napa near Stevenson monument; Mt. St. Helena Comment
  SEINET12210802  Ceanothus velutinus var. laevigatus W. Knight, Knight, I. 1982-1 4666 Napa Tilden Botanic Garden, Berkeley, originally collected from Mt. St. Helena Comment
  UCD19324  Centaurea solstitialis M. A. Bibbo; E. Dean 2001-7-6 16 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  UC1537512  Centaurium trichanthum Gordon H. True Jr. 1937-7-30 827 Napa near Aetna Springs 365 Comment
  JEPS46941  Centaurium trichanthum W. L. Jepson 1897-7-12 14638 Napa Samuels Springs to Aetna Springs Comment
  UC73535  Centaurium venustum Miss M. Alice King Napa St. Helena Comment
  JEPS106657  Centromadia fitchii Jake Ruygt 1981-7-31 1086 Napa Suscol plain SE of Kaiser Steel 3 Comment
  UC1034623  Centromadia fitchii Milo S. Baker 1932-5-8 5903 Napa near School House; Mill Creek Canyon Comment
  SD9168  Centromadia parryi Katherine Curran 1883-1 Napa Calistoga Comment
  JEPS18290  Centromadia parryi subsp. parryi Peter H. Raven 1957-5-5 10742 Napa at Airport (near the hot springs); Calistoga 91 Comment
  UC725795  Centromadia parryi subsp. parryi A. A. Heller 1927-8-26 14465 Napa Calistoga Comment
  UC913083  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2715 Napa Calistoga Comment
  JEPS106652  Centromadia pungens subsp. pungens Jake Ruygt 1987-6-29 2093 Napa Horseshoe Bend, Napa River 3 Comment
  UC421613  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 mi n Vallejo Comment
  UCD148756  Ceratophyllum demersum Jake Ruygt 2010-8-4 5681 Napa Napa County; Lake Hinman, west of the Veterans' Home. 109 Comment
  UCD73508  Ceratophyllum demersum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC179388  Cercis occidentalis David D. Keck 1931-4-3 1062 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  UC1540471  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 mi se Monticello; Putah Creek Canyon Comment
  UCR146182  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa Inner North Coast Ranges, 9 miles east of Rutherford on State Hwy 128 183 Comment
  CAS-BOT-BC135484  Cercocarpus betuloides var. betuloides Alice Eastwood 1918-5-1 6839 Napa Mt. St. Helena Comment
  SBBG115436  Cercocarpus betuloides var. betuloides B. Crampton 1966-5-10 7715 Napa 9 mi E of Rutherford on St Hwy 128 Comment
  UC1543121  Cercocarpus betuloides var. betuloides Charlotte G. Nast 1936-3-27 38 Napa Putah Canyon Comment
  UC2029551  Cercocarpus betuloides var. betuloides Richard R. Halse 2013-3-27 8754 Napa Along State Highway 128, ca. 5.3 miles eastt of its junction with State Highway 121 at Moskowite Corners Comment
  UC903165  Cercocarpus betuloides var. betuloides Ethel Crum 1937-4-19 1776 Napa 6 mi n of Napa (Mount George); Napa Range, Mount George 304 Comment
  CAS-BOT-BC284566  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills sw. of St. Helena Comment
  UC90157  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Pacific Coast, Knoxville Comment
  UCD149663  Chaenactis glabriuscula var. heterocarpha Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS106427  Chamaesyce ocellata subsp. ocellata Jake Ruygt 1987-7-11 2065 Napa Tubbs Lane at Myrtledale Rd., Calistoga 118 Comment
  RSA769183  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 A Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road,, about 19 air miles west of Winters. 133 Comment
  UC1925871  Chamaesyce serpyllifolia Ethel Crum Oct 1930 912 Napa Conn Creek Road, Yountville to Pope Valley. Comment
  JEPS116554  Cheilanthes intertexta Jake Ruygt 1998-6-8 4020 b Napa Mead Ranch, on ridgetop, overlooking Soda Canyon. Yountville 7.5' Quad. 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
  JEPS59699  Chenopodium ambrosioides W. L. Jepson 1922-10-22 9835 Napa St. Helena Napa River (river bed) Comment
  JEPS59710  Chenopodium ambrosioides W. L. Jepson 1894-11-7 Napa St. Helena Comment
  JEPS59712  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa Napa River Comment
  JEPS115770  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 W 133 Comment
  JEPS106821  Chenopodium botrys Jake Ruygt 1981-5-21 1035 Napa Putah Creek just north of Berryessa Estates 134 Comment
  CDA34152  Chenopodium pumilio L. Ahart, J. Dittes, J Guardino 2009-10-27 16484 Napa Lake Berryessa: about 100 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  JEPS115848  Chenopodium pumilio Lowell Ahart 2009-10-12 16443 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 437 Comment
  UC13725  Chlorogalum pomeridianum var. pomeridianum Willis L. Jepson July 1884 Napa Little Oak Comment
  UCD167624  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 1978-6-28 370 Napa Partrick Road, 2 miles north of Browns Valley Road. 164 Comment
  CAS-BOT-BC238001  Chloropyron molle subsp. molle Peter H. Raven 1952-8-26 5138 Napa Nr. Bentley Wharf 15 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
  POM262795  Chorizanthe membranacea J. C. Roos 1939-5-6 294 Napa Near Three Peaks, Napa Range 915 Comment
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  UCD99749  Chorizanthe membranacea K. Esau; E. Hyde 1938-5-5 s.n. Napa Napa County. Comment
  UC55747  Chorizanthe polygonoides var. polygonoides J. P. Tracy 1902-5-20 1564 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain, near Angwin Creek crossing on Howell Mountain Grade); Howell Mountain, head Moore's Creek 457 Comment
  CAS-BOT-BC252842  Chorizanthe polygonoides var. polygonoides John Thomas Howell 1933-6-4 11392 Napa Hills east of Napa 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
  CAS-BOT-BC285218  Cichorium intybus J. H. Thomas 1960-8-29 8837 Napa About 1 mile north of Calistoga along highway number 53 Comment
  JEPS24506  Cichorium intybus J. H. Thomas 1960-8-29 8837 Napa about 1 mi n Calistoga (along Highway 53) Comment
Read comments
Sep 7 2012
  JEPS35982  Cichorium intybus W. L. Jepson 1917-8-16 7432 Napa St. Helena Comment
  UCD159464  Cichorium intybus D. S. Park 2010-8-13 218 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  RSA95088  Cichorium intybus Joseph A. Ewan 1933-9-17 7998 Napa Vacant lot in Napa, Napa Valley Comment
  UCD18073  Cirsium cymosum Ellen Dean; with Plant Biology 102 class 2000-4-22 628 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
  CAS-BOT-BC278019  Cirsium cymosum John Thomas Howell 1940-5-19 15467 Napa St. Helena Creek Canyon near Montesol 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
  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
  CDA1210  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  UCD170288  Cirsium douglasii var. douglasii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 828 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  CDA1306  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -C Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CAS-BOT-BC286574  Cirsium occidentale var. venustum L. R. Abrams 1916-7-2 5756 Napa Near St. Helena Sanitarium Comment
  JEPS59314  Cirsium occidentale var. venustum W. L. Jepson 1936-5-29 17546 Napa Adam-and-Eve Ridge Howell Mt., Adam-and-Eve Ridge Comment
  UC1301212  Cirsium occidentale var. venustum Helen K. Sharsmith 1962-6-3 5116 a Napa near Angwin (w slope of Mount Howell); San Francisco Bay Region, Mount Howell 487 Comment
  JEPS106934  Cirsium quercetorum Jake Ruygt 1992-5-15 2967 Napa Wild Horse Valley Ranch, west of road north of polo field 487 Comment
  UC30821  Cirsium quercetorum Willis L. Jepson 1893-6-24 Napa near Napa; Napa River Basin Comment
  JEPS106935  Cirsium remotifolium var. odontolepis Jake Ruygt 1992-6-22 3040 Napa west of Leoma Lakes, Wild Horse Valley Ranch 402 Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  RSA439199  Cirsium remotifolium var. odontolepis T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  CAS-BOT-BC169771  Cistanthe quadripetala John Thomas Howell 1940-5-19 15460 Napa Upper St. Helena Creek 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
  UCD49184  Clarkia affinis S. Murphy; K. Keck and K. Dyer 2002-5-5 7 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 250m. 327 Comment
  UCD49186  Clarkia affinis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. on W-facing slope 2400 as the crow flies feet NW of the jct of West Rd. and South Decker Canyon Rd. 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-BC163512  Clarkia amoena subsp. huntiana James L. Reveal 1987-6-7 6406 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 243 Comment
  RSA0059975  Clarkia amoena subsp. huntiana James L. Reveal 1987-6-7 6406 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa. 244 Comment
  UCD18488  Clarkia concinna P. J. Plummer 1995-5-29 s.n. Napa Hwy 128 and Berryessa Knoxville Rd. 170 Comment
  UCD71256  Clarkia concinna Linda Coats 1983-6-3 54 Napa Lower Chiles Valley Road, 3 miles north of State Highway 128. 259 Comment
  UCD18461  Clarkia concinna William Soper 1983-5-30 26 Napa 3.5 miles west of entrance to Putah Creek Public Fishing Access Rd # 3 on Hwy 128. 91 Comment
  UC130893  Clarkia concinna subsp. concinna Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  RSA209534  Clarkia concinna subsp. concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River, at the Mill House , 6.4 miles SW of Middletown Comment
  SFV8362  Clarkia gracilis F. P. Guerrero 1961-5-14 22 Napa North Coast Ranges North slope of mountain near Lake Berryessa. 244 Comment
  CAS-BOT-BC164534  Clarkia gracilis subsp. albicaulis Peter H. Raven 1952-6-28 4210 Napa Chiles Valley 243 Comment
  SEINET4145437  Clarkia gracilis subsp. gracilis K. Brandegee 1909-6-1 s.n. Napa Pope Valley Grade Comment
  CAS-BOT-BC162481  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5-22 s.n. Napa Mountain slopes from Calistoga, to the Toll House Comment
  RSA495969  Clarkia gracilis subsp. sonomensis L. D. Gottlieb 1988-5-24 8818 Napa On Rt. 128, just east of its junction with Rt. 121; site is about 100 yards east of Steele Canyon Rd. Comment
  UC1586100  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  POM271807A  Clarkia purpurea subsp. purpurea Lyman Benson 1935-5-19 6657 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  CAS-BOT-BC163688  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC163691  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills w. Oakville 121 Comment
  CAS-BOT-BC163695  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1953-5-2 5391 Napa Hills due e. of Yountville 243 Comment
  JEPS43572  Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1893-6-24 14341 Napa Napa Soda Springs Comment
  UC1196985  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1904-5-23 2083 Napa near Calistoga (Pratt's Hill); Northern Coast Ranges, Napa Valley 91 Comment
  UCD18460  Clarkia purpurea subsp. quadrivulnera Linda Coats 1983-5-29 42 Napa 1 mile from intersection of Coombsville Rd. and Wild Horse Valley Rd., end of Green Valley Rd. Comment
  HSC71065  Clarkia purpurea subsp. viminea J. M. DiTomaso 1980-6-13 1582 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 Comment
  JEPS120366  Clarkia rhomboidea Jake Ruygt 2010-6-26 5653 Napa Mead Ranch, Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  JEPS110691  Clarkia unguiculata Jake Ruygt 1989-5-7 2302 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  CDA12025  Claytonia exigua G. F. Hrusa 1990-3-19 7501 Napa North Coast Biodiversity Arena; Chiles Valley-Pope Valley Rd. Comment
  UCD100584  Claytonia exigua Robin Brooks 1975-4-26 42 Napa 2 miles south of Pope Valley (12 miles north of Highway 128). Comment
  JEPS129175  Claytonia exigua subsp. exigua Jake Ruygt 2015-3-10 6036 Napa Sutro Ranch, east side of Atlas Peak. Yountville 7.5' Quad. Comment
  CAS-BOT-BC439370  Claytonia gypsophiloides Marjorie Swabey 1924-2-22 s.n. Napa Toll house road, Mt St Helena on Calistoga side Comment
  CAS-BOT-BC439376  Claytonia gypsophiloides John Thomas Howell 1926-3-20 1698 Napa Old toll road to Mt. St. Helena Comment
  JEPS112600  Claytonia parviflora subsp. parviflora Jake Ruygt 1986-3-16 1650 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 451 Comment
  JEPS112613  Claytonia parviflora subsp. parviflora Jake Ruygt 1997-3-18 3805 Napa Greenfield Road 213 Comment
  UCD14400  Claytonia parviflora subsp. parviflora Todd Jones 1983-5-29 13 Napa Highway 128, 4.9 mi. north of Moscowite Corner, 15.6 mi. beyond Monticello Dam Comment
  UCD117482  Claytonia perfoliata subsp. perfoliata Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UCD168555  Claytonia perfoliata subsp. perfoliata Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD49148  Claytonia perfoliata subsp. perfoliata C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  CAS-BOT-BC440044  Claytonia perfoliata subsp. perfoliata Peter H. Raven 1954-2-22 6406 Napa Orchard at west end of Saint Helena 60 Comment
  RSA195387  Claytonia rubra Gilbert Muth 1967-4-9 609 Napa Bateman Creek. 610 Comment
  CAS-BOT-BC92681  Clematis ligusticifolia H. E. McMinn 1922-8-2 361 Napa Putah Canyon. Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  JEPS60568  Clematis ligusticifolia W. L. Jepson 1936-7-6 17651 Napa Napa Range, Sage Canyon Comment
  CDA10866  Collinsia heterophylla G. F. Hrusa, M. Rejmanek 1993-5-15 10961 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS7349  Collinsia heterophylla E. Ferguson 1920-5-15 350 Napa Pope Valley Comment
  RSA10704  Collinsia heterophylla Carl B. Wolf 1928-5-3 1783 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1196847  Collinsia heterophylla Joseph P. Tracy 1902-5-21 12484 Napa 3-4 mi e of Angwins (Howell Mountain, on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 396 Comment
  UCD49268  Collinsia heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 22 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on South Decker Canyon Rd., between Cut-Off Rd. and Decker Ridge Rd. 228 Comment
  CAS-BOT-BC94519  Collinsia sparsiflora R. C. Wenk; E. S. Wenk 2006-4-30 437 Napa Robert Louis Stevenson State Park. Trail going E from Highway 29 parking lot for trail to Mt. St. Helena, 1/2 mile from Comment
  UCD123661  Collinsia sparsiflora Jon Weil 1961-3-18 s.n. Napa State Highway 128, between Lake Berryessa and Rutherford. Comment
  SEINET10548306  Collinsia sparsiflora John T. Middleton 1936-4-18 Middleton 77 Napa Near monticello. 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
  HSC58982  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 1020 Napa Near Bell Canyon 427 Comment
  JEPS6339  Collinsia sparsiflora var. arvensis Mrs. Mary Van E. Ferguson 1919-4-13 208 Napa near Atlas Comment
  UC1301188  Collinsia sparsiflora var. arvensis Helen K. Sharsmith 1963-3-17 5223 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 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
  JEPS29591  Collinsia sparsiflora var. arvensis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8448 Napa near site of Atlas Peak School (along Atlas Peak rd, at bottom of Foss Valley); Milliken Creek drainage 438 Comment
  POM15100  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Calistoga. Comment
  UC625486  Collinsia sparsiflora var. arvensis Frank W. Gould 1938-4-3 117 Napa 1 mi w of the Sonoma County Line (on the road from Calistoga) 182 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
  RSA79469  Collinsia sparsiflora var. collina Lincoln Constance 1938-3-27 2034 Napa N. slope in Howell Mountains, 5 miles E. of Napa, North Coast Ranges. 457 Comment
  JEPS26357  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1902-5-17 1517 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn, Moore's Creek 365 Comment
  UCD49281  Collinsia sparsiflora var. sparsiflora A. Van Houtte; E. Leger and C. Hohn 2001-4-14 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UC903160  Collinsia sparsiflora var. sparsiflora Ethel Crum 1937-4-19 1782 Napa 15 mi ne of Napa (Napa Range, Steel Canyon); Napa Range, Steel Canyon Comment
  JEPS112525  Collinsia tinctoria Jake Ruygt 1987-6-6 2032 Napa Devil's Canyon near falls 548 Comment
  JEPS101634  Collomia diversifolia Dean W. Taylor 1998-6-18 16671 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UC1561247  Collomia diversifolia Barbara Ertter with Annetta Carter 1989-5-28 8514 Napa on Berryessa Rd 2 mi se Lake County line (near Knoxville, serpentine hills s of road) 609 Comment
  UCD170355  Collomia diversifolia Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 854 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 458 Comment
  CLARK-A1528-3461  Collomia heterophylla John C. Roos 1939-4-26 260 Napa Angwin Comment
  RSA10667  Collomia heterophylla C. B. Wolf 1928-5-3 1822 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD118178  Collomia heterophylla K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  POM263160  Collomia heterophylla J. C. Roos 1939-4-29 260 Napa Blake's Canyon, Howell Mt. Comment
  UCD127310  Conium maculatum Mannix Mendoza Date unknown 15 Napa Roadside Hwy. 128, around 1/4 mile south of Lake Berryessa. Comment
  UCD127324  Conium maculatum R. Tofsrud Date unknown s.n. Napa location unknown. Comment
  CAS-BOT-BC286035  Conyza canadensis Peter H. Raven 1951-8-19 3849 Napa Near Lokoya 487 Comment
  JEPS122707  Conyza canadensis Jake Ruygt 1989-10-2 2419 Napa South Shore of Lake Hennessey along Sage Canyon Road. Quad: Yountville. Comment
  UC673560  Corallorhiza striata H. L. Mason 1926-3-22 2787 Napa near base of grade from Calistoga to Petrified Forest Comment
  JEPS62604  Cordylanthus pilosus subsp. pilosus T. I. Chuang with Fei-Mei Chuang 1970-8-25 6841 Napa 1 mi nw St. Helena (on US Hwy 29) Comment
  JEPS6778  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1893-9-23 21338 Napa near Calistoga; Upper Napa Valley, Napa River Basin Comment
  JEPS6809  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1898-1-4 21347 Napa Howell Mt. Napa Range Comment
  UCR78362  Cordylanthus pringlei T. I. Chuang, F. M. Chuang 1970-8-25 6842 Napa North Coast Range, Just south of Lake County line, on U.S. Hwy 29 463 Comment
  OBI57117  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mi N of Napa and Lake County line on US hwy 29 Comment
  RSA201598  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa East side of Mt. St. Helena, abotu 0.5 miles south of Lake Co. line. Comment
  JEPS112549  Cordylanthus tenuis subsp. brunneus Jake Ruygt 1986-6-1 1802 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  UC412933  Cornus glabrata H. P. Chandler 1907-5-30 7598 Napa St. Helena, White Sulphur Spring Comment
  UCD164795  Cornus glabrata Jeff Page 2016-6-13 s.n. Napa Trubody Ranch, 5444 Trubody Lane. 21 Comment
  CAS-BOT-BC209415  Cornus nuttallii John Thomas Howell 1926-3-21 1709 Napa St. Helena Creek near Patten's 701 Comment
  JEPS50156  Cornus nuttallii W. L. Jepson 1896-2-22 14142 Napa Howell Mt. Comment
  RSA52657  Cornus nuttallii I. L. Wiggins 1949-4-30 12090 Napa Along draw on NE flank of Mount St. Helena. 915 Comment
  SEINET265717  Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC21525  Cornus nuttallii Willis L. Jepson 1893-1 Napa Toll-house Mt. St. Helena; Napa R. Basin, Mt. St. Helena 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
  JEPS97929  Coronopus squamatus Jake Ruygt 1997-4-28 3839 Napa S of Napa (E of Hwy 29, S of South Kelly Road) 19 Comment
  UCD121194  Corylus cornuta subsp. californica Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7365 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  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
  JEPS129024  Crepis pulchra Jake Ruygt 2016-5-7 6240 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  OBI49310  Crocanthemum scoparium Joseph Andorfer Ewan 1934-4-30 8825 Napa Sarco crk, 4 mi above Napa Comment
  JEPS115739  Crypsis schoenoides Lowell Ahart 2009-10-12 16462 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  JEPS122997  Crypsis schoenoides Jake Ruygt 1986-6-21 1829 Napa East end of Suscol Road, under the Southern Crossing. Quad: Cuttings Wharf. Comment
  SD211506  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey circa 15 sirmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  UCD145270  Crypsis schoenoides Barry Hammel 1976-5-30 455 Napa Lake Hennessy. Comment
  UCD37519  Crypsis vaginiflora Beecher Crampton 1954-10-26 2302 Napa South Napa. Comment
  UCD59986  Crypsis vaginiflora Beecher Crampton 1954-10-26 2302 Napa South Napa. Comment
  JEPS106755  Cryptantha flaccida Jake Ruygt 1998-5-2 3947 Napa Chiles Canyon near white stone bridge. 146 Comment
  RSA733921  Cryptantha hispidula Beecher Crampton 1954-5-20 1929 Napa Napa County, 8 miles southwest of Monticello, along highway 128. Growing in low road banks, in serpentine soil. Comment
  UC1221769  Cryptantha hispidula Beecher Crampton 1958-4-29 4754 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
  UCD160721  Cryptantha hispidula Ellen Dean 2015-5-23 8773 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  UCD18062  Cryptantha hispidula Ellen Dean; with Plant Biology 102 class 2000-4-22 617 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
  JEPS106704  Cryptantha microstachys Jake Ruygt 1982-5-15 1263 Napa Soda Canyon Rd. on west side of the grade 335 Comment
  UCD161233  Cryptantha microstachys Jake Ruygt 2002-4-1 4378 Napa Napa County : Blue Ridge north of Mays; flat. (Coordinates estimated by label maker at UC Davis). 487 Comment
  JEPS106705  Cryptantha muricata Jake Ruygt 1998-5-16 3968 Napa Maggie's Peak, south of Bismark Knob. 603 Comment
  SEINET10569440  Cupressus Fisher 1881-1 Fisher s.n. Napa Calistoga Comment
  UCD110850  Cupressus macnabiana Christopher Mallek 2008-1 AS- 1 Napa Aetna Springs. 668 Comment
  CAS-BOT-BC85489  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 276 Napa Pope Canyon, between Monticello and Pope Valley P.O. Comment
  JEPS79565  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1821 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  RSA17620  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 457 Comment
  RSA17621  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-17 6196 Napa North side of Mt. St. Helena, 300 ft. south of Lake County line on Middletown - Calistoga road 457 Comment
  SDSU1745  Cupressus sargentii D. F. Howe 1965-8-3 4105 Napa Just south of napa-Lake Co. line on state #29. 46 Comment
  UC1076281  Cupressus sargentii H. L. Mason 1926-1-2 2606 Napa Toll House Canyon Mt. St. Helena Comment
  UCD133631  Cupressus sargentii D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  NY16808  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10531547  Cupressus sargentii Mary Susan Taylor, E. Pierce 1981-5-17 Taylor 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi S of Lake County line. Comment
  UCD147461  Cuscuta Ellen Dean; Diana Hickson 2014-4-29 8074 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 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
  JEPS47111  Cuscuta californica W. L. Jepson 1894-10-13 70 c Napa Conn Valley Comment
  UCD167137  Cuscuta howelliana Jake Ruygt 2015-5-23 6108 e Napa West of Buck Mountain. 599 Comment
  UCD170466  Cuscuta indecora var. indecora Daniel Potter; Ninh Khuu 2016-6-18 895 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 448 Comment
  JEPS116546  Cuscuta occidentalis Jake Ruygt 1990-5-12 2540 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  JEPS126113  Cynoglossum grande Jake Ruygt 1990-4-1 2457 Napa West of Johnson's Meadow, Wild Horse Valley Ranch. Mount George 7.5' Qua. Comment
  RSA195286  Cynoglossum grande Gilbert Muth 1967-4-19 603 Napa Aetna Springs Road. 305 Comment
  SEINET197745  Cynoglossum grande R. C. Bechtel 1952-3-16 19 Napa Putah Canyon Comment
  UCD119166  Cynoglossum grande G. F. Hrusa; G. L. Stebbins 1995-3-11 11596 Napa Las Posadas State Forest, immediately E of Fire Station, in upper drainage of Moore Creek. 500 Comment
  UCD60134  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Southwest of St. Helena. Comment
  CDA1948  Cynosurus echinatus G. Breuer Jul 1957 Napa Calistoga. 0 Comment
  UCD37686  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  SEINET3926424  Cynosurus echinatus Kathleen Barnes 1973-6-4 54 Napa Near house, McDonald Ranch, ca. 2 air-miles east of Angwin, Pope Valley.; 0 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
  CAS-BOT-BC114681  Cyperus eragrostis Adolph Daniel Edward Elmer 1903-7-1 4656 Napa Napa Comment
  SEINET7581647 Image available Cyperus eragrostis A. D. E. Elmer 4656 Napa Napa. Comment
  CHSC102286  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 -A Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC102535  Cyperus erythrorhizos Lowell Ahart 2009-10-27 16496 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS115959  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  SEINET7581749 Image available Cyperus erythrorhizos Peter H. Raven 1951-10-28 3933 Napa West end of Conn Lake. Comment
  UC1133517  Cyperus niger Beryl Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch Comment
  UCD136345  Cystopteris fragilis D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  JEPS122992  Danthonia californica Jake Ruygt 1982-5-4 1225 a Napa Suscol plain between Kaiser and Highway 29 (221). Quad: Napa. Comment
  RSA431669  Datisca glomerata E. S. Spalding 1924-7-4 s.n. Napa Near St. Helena; canyon beyond White Sulphur Springs. 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
  UCD159908  Daucus pusillus Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD161638  Daucus pusillus Jake Ruygt 2005-5-9 4823 Napa Knoxville Wildlife Area, west side of Berryessa-Knoxville Road. (Coordinates converted from UTM data by label maker.) 429 Comment
  UCD63155  Deinandra corymbosa subsp. corymbosa Jake Ruygt 2007-5-25 5209 Napa between Buchli Station Rd. and Milton Rd. 1 Comment
  JEPS129149  Delairea odorata Jake Ruygt 1981-12-26 1091 Napa 0.65 miles NE of Monte Vista on Montecito Drive. Napa 7.5' Quad. Comment
  SEINET5337981  Delphinium decorum J. Tracy 1902-5-15 1475 Napa On hills at head of Moore's Creek, 3-4 mi. E of Angwin's. 366 Comment
  CAS-BOT-BC10197  Delphinium hesperium John Hunter Thomas 1955-5-21 5160 Napa Near State Highway No. 128 and Capell Creek, about 12 miles E of St. Helena 274 Comment
  UCD160787  Delphinium hesperium Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8667 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
  UCD74353  Delphinium hesperium G. Ledyard Stebbins 1967-5-30 6524 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  LA207642  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Fairfield road, 1.5 mi. S of road to St. Helena Comment
  UCD95806  Delphinium hesperium J. D. Atkin 1952-5-1 7 Napa Portuguese Canyon, ca. 1 mile up Putah Creek from Recreation Beach. 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
  UCD15024  Delphinium nudicaule K. A. Bear 1978-4-23 33 Napa along Lower Chiles Road, 1.4 miles SW of intersection of Chiles and Pope Valley Roads; 128 Comment
  UCD170216  Delphinium nudicaule Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 741 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 330 Comment
  UCD20921  Delphinium nudicaule V. (Shorty) Boucher 2002-4-11 12 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At a bend along West Road, ca. 1000 airline feet E of the locality for Dean 898 - Saxifraga californica. Coordinates are for that locality. 243 Comment
  CAS-BOT-BC9811  Delphinium nudicaule Belle R. Jackson 1930-6-8 s.n. Napa On Old Toll Road below Patten's Mt. St. Helena region Comment
  UC906516  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa 5 mi above Napa (side gulch); Sarco Creek Comment
  UCD32413  Delphinium patens Beecher Crampton 1950-5-7 568 Napa Napa County, east side of Napa Valley, along Silverado Trail, along roadside entering southern portion of Conn Valley. 68 Comment
  UCD96553  Delphinium patens M. R. Wanzer 1948-4-3 7 Napa West side of small hill, Putah Canyon, 13 miles west of Winters. Comment
  JEPS60576  Delphinium patens subsp. patens W. L. Jepson 1893-1 Napa Napa Mountains Comment
  SBBG2134  Delphinium patens subsp. patens H. and M. Dearing 1939-5-1 3244 Napa Spring Mtn, St Helena Comment
  CAS-BOT-BC7914  Delphinium variegatum G. L. Stebbins 1967-5-31 6525 Napa On road from Lower Lake to Knoxville, about 0.5 miles Northwest of Napa Co line 655 Comment
  LA207572  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Napa Rd, 5.1 mi. S. of the road to St. Helena Comment
  CDA24247  Delphinium variegatum subsp. variegatum T. C. Fuller 1958-5-1 3722 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  CAS-BOT-BC627  Dendromecon rigida subsp. rigida Carl B. Wolf 1928-5-4 1850 Napa Mt. St. Helena Comment
  SEINET11695843  Deschampsia cespitosa Unknown 1957-5-8 4000 Napa N end of Capell Valley, above Capell Creek Comment
  UCR43085  Deschampsia cespitosa subsp. cespitosa 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
  SEINET200647 Image available Deschampsia danthonioides J. P. Tracy 1902-5-21 1605 Napa Head of Moore's Creek 3-4 Miles East of Angwin's. 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
  UC53586  Deschampsia danthonioides Willis L. Jepson 1893-1 Napa Napa Valley, Napa R. Basin Comment
  UCD63725  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3550 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS64159  Dichelostemma capitatum Willis L. Jepson 1893-5-2 20968 Napa e from Calistoga (on New Pope Valley grade); Napa Range, New Pope Valley Grade Comment
  UCD14947  Dichelostemma capitatum Jonathan M. Irvine 1977-4-16 100 Napa California, Napa Co.; 6.4 miles SSW of Monticelo Dam along Highway 128. 182 Comment
  CHSC75032  Dichelostemma capitatum subsp. capitatum Glen Dreyer 1977-4-16 35 Napa Ca. 4 miles west of Monticelo Dam, about 20 ft. off of Highway 128. Comment
  UCD159913  Dichelostemma capitatum subsp. capitatum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near Q43. 243 Comment
  RSA195380  Dichelostemma capitatum subsp. capitatum Gilbert Muth 1967-4-16 637 Napa Snell Valley. 183 Comment
  UCD148737  Dichelostemma volubile Jake Ruygt 2005-5-14 4845 Napa Napa County; Berryessa-Knoxville Rd. near south end of Knoxville Wildlife Area. 268 Comment
  JEPS110680  Digitalis purpurea Jake Ruygt 1984-6-23 1568 Napa St. Helena Creek near Livermore Rd. 463 Comment
  CDA18823  Digitaria sanguinalis J. A. Cooledge 1999-8-2 PDR 980770 Napa Growing in garden compost at 1032 Pueblo Ave., Napa, that originated from Idaho. 0 Comment
  CAS-BOT-BC153777  Diplacus angustatus Paul F. Covel 1940-4-28 1700 Napa CCC-Las Posadas CAmp, near Pacific Union College Comment
  CAS-BOT-BC153779  Diplacus angustatus John Thomas Howell 1940-5-19 15465 Napa Upper St. Helena Creek Comment
  CAS-BOT-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-BC150363  Diplacus aurantiacus James L. Reveal 1987-6-7 6398 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road; about 6.5 miles northwest of Vacaville 609 Comment
  CAS-BOT-BC152289  Diplacus congdonii John Thomas Howell 1941-4-5 16156 Napa Franz Valley Comment
  CAS-BOT-BC151879  Diplacus congdonii David D. Keck 1931-4-2 1016 Napa Wooden Valley Grade west side of Napa Range, 5 miles NE of Napa 170 Comment
  CAS-BOT-BC151940  Diplacus douglasii Maxine Wilkes 1940-5-5 s.n. Napa Creek draining St. Helena Palisades Comment
  CAS-BOT-BC151960  Diplacus douglasii Maxine Wilkes 1940-5-1 s.n. Napa Headwaters of St. Helena Creek Comment
  OBI49335  Diplacus layneae Joseph P. Tracy 1950-5-23 18662 Napa Howell MTn. On hills at head of Moore's Crk, 5 mi E of Angwin's Comment
  UC126466  Dipsacus fullonum Harley P. Chandler Sept. 7 to 14, 1906 7130 Napa Alta Loma Ranch Howell Mountain Comment
  CDA6690  Dipsacus fullonum Margaret Bellue 1933-5-2 Napa 0 Comment
  UC796623  Disporum hookeri Ira L. Wiggins 1949-4-30 12088 Napa Mount St. Helena 914 Comment
  JEPS122987  Distichlis spicata Jake Ruygt 1991-6-28 2733 Napa DFG property; Huichica Creek, Buchli Station. Quad: Cuttings Wharf. Comment
  UCD64179  Distichlis spicata Beecher Crampton 1956-5-21 3445 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCD64468  Distichlis spicata A. A. Beetle 1946-5-7 4260 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  HSC100797  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along road at the intersection of Pope Canyon Rd. and Berryessa Knoxville Rd., near Lake Berryessa, 20 (air) mi. W of Winters. 152 Comment
  UCD169857  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along all the sides of the roads at the intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 miles, about 20 miles(air) west of Winters. 152 Comment
  RSA604106  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa along trail running along southwest side of Lake Bereyessa, 100 m from Knoxville Rd. 250 Comment
  UCD169891  Dodecatheon hendersonii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 732 Napa Knoxville Wildlife Area. 311 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
  CHSC59583  Dodecatheon hendersonii Scott Bingham 1975-5-11 83 Napa At top of grade 4.5 miles east of Toll House. 120 Comment
  POM78451  Dodecatheon hendersonii C. F. Baker 1903-4-20 2616 Napa Mt. St. Helena. Comment
  RSA31641  Dodecatheon hendersonii A. A. Heller 1929-3-16 s.n. Napa Grade near foot of Mt. St. Helena. Comment
  SBBG83708  Dodecatheon hendersonii D. Belshaw 1975-4-12 5 Napa Lake Berryessa, 25.9 mi W of Davis on State Hwy 128 Comment
  UC22380  Dodecatheon hendersonii Willis L. Jepson 1893-4-25 Napa w St. Helena (trail to Caux's Cabin, Napa River Basin); Hoods Peak Range, Napa River Basin, w of St. Helena Comment
  UCD15066  Dodecatheon hendersonii Mark Harder 1977-4-16 8 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; Comment
  JEPS106566  Downingia concolor var. concolor Jake Ruygt 1996-5-13 3662 Napa Hardin Road, .35 mile from Pope Canyon Road, Pope Valley 183 Comment
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  RSA195338  Downingia concolor var. concolor Gilbert Muth 1967-5-19 694 Napa Milliken Dam. 335 Comment
  UCD167135  Downingia cuspidata Jake Ruygt 2015-5-23 6108 d Napa West of Buck Mountain. 599 Comment
  JEPS106568  Downingia pusilla Jake Ruygt 1981-3-26 1148 Napa east of Rocktram, west of HWY 221 3 Comment
  JEPS106569  Downingia pusilla Jake Ruygt 1990-4-9 2469 Napa Milliken Reservoir, Napa City Watershed 356 Comment
  POM263488  Draba verna J. C. Roos 1939-2-21 299 Napa Near Angwin, Napa Range. Comment
  CAS-BOT-BC70945  Dryopteris arguta Peter H. Raven 1954-1-22 6381 Napa Sulphur Springs Resort, west of St. Helena 121 Comment
  CAS-BOT-BC70950  Dryopteris arguta Ira L. Wiggins 1957-6-18 14121 Napa Just north of Calistoga Comment
  RSA693749  Dryopteris arguta B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  UC101039  Dudleya cymosa Willis L. Jepson 1893-5-8 Napa below New Eden; Napa River Basin, Howell Mtn Comment
  UCD161524  Dudleya cymosa Jake Ruygt 1990-6-9 2582 Napa Huichica Creek south of Lovall Valley. 170 Comment
  CHSC102299  Dysphania pumilio Lowell Ahart 2009-10-12 16443 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  POM257337  Echinochloa crus-galli Virginia Long 1931-8-22 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helen) 111 Comment
  UCD60843  Echinochloa crus-galli Beecher Crampton 1962-10-9 6697 Napa 1 - 1/4 mile southwest of Angwin, Howell Mtn. Road, Conn Creek. Comment
  RSA123460  Echinochloa crus-pavonis B. O. Schreiber 1936-8-16 2325 Napa 0.8 mile south of Yountville 152 Comment
  UCD38848  Echinochloa muricata Beecher Crampton 1962-9-25 6676 Napa Comment
  UCSB283  Echinodorus berteroi Keator, Glenn 1959-6-22 Napa On the southeast shore of Lake Hennessy, Napa range Comment
  JEPS122654  Eclipta prostrata Jake Ruygt 1998-8-29 4113 Napa Berryessa at Eticuera Creek parking pullout. Quad: Water Spring. Comment
  JEPS126136  Elatine brachysperma Jake Ruygt 2004-5-29 4610 Napa Bear Valley at the pond. Detert Reservoir 7.5' Qua. Comment
  UCD161512  Eleocharis parishii Jake Ruygt 1989-5-9 2311 -a Napa American Canyon, Avilla Ranch. 85 Comment
  CAS-BOT-BC112222  Eleocharis rostellata Peter H. Raven 1957-5-5 10753 Napa Near hot springs runoff, Calistoga 91 Comment
  UCD161685  Eleocharis rostellata Jake Ruygt 2008-7-14 5358 Napa Tubbs Lane, about 1/4 mile southwest of Myrtledale Road intersection. 121 Comment
  JEPS129125  Elodea canadensis Jake Ruygt 2010-8-14 5733 Napa Steele Canyon Resort, Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC769959  Elymus X hansenii Robert F. Hoover 1941-6-8 5321 Napa Mt. St. Helena; e side Comment
  UCD118395  Elymus elymoides subsp. elymoides Rachael Olliff; 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. 407 Comment
  JEPS122982  Elymus elymoides var. elymoides Jake Ruygt 1994-5-17 3383 Napa Butts Canyon Road; Juliana Vineyards. Quad: Aetna Springs. Comment
  JEPS76093  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-24 18851 Napa plateau n Four Corners; Napa Range, Howell Mountain 762 Comment
  UC766741  Elymus glaucus subsp. jepsonii R. F. Hoover 1941-5-10 5011 Napa between St. Helena and Calistoga Comment
  UCD37943  Elymus trachycaulus Beecher Crampton 1962-5-16 6423 Napa Napa County, 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  JEPS110832  Emmenanthe penduliflora Jake Ruygt 1979-5-16 601 Napa 5.8 miles east of Monticello Rd. on HWY 128 304 Comment
  UCD20751  Epilobium brachycarpum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 100 Napa McLaughlin UC Reserve. Knoxville-Berryesa Rd. 2.4 road miles S of jct. with Devilhead Rd. W side of the road by old dirt road to an abandoned home site. 350 Comment
  JEPS122727  Epilobium campestre Jake Ruygt 1982-6-13 1323 Napa Pope Canyon Road at large vernal pool. Quad: St. Helena. Comment
  CAS-BOT-BC166341  Epilobium canum subsp. canum Mrs. E. C. Sutliffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC166345  Epilobium canum subsp. canum Peter H. Raven 1951-8-22 3883 Napa 2 8/10 miles from Lokoya on Napa Rd. 228 Comment
  JEPS44029  Epilobium canum subsp. canum W. L. Jepson 1922-10-22 9834 Napa bed of White Sulphur Creek St. Helena Comment
  UCD67613  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-10 s.n. Napa Lake Berryessa. Near Monticello Dam. 180 Comment
  UCD167252  Epilobium ciliatum subsp. ciliatum Jake Ruygt 1978-7-10 385 Napa 2465 Redwood Road, Napa. 30 Comment
  UC19960  Epilobium densiflorum Willis L. Jepson 1892-7 Napa Knoxville Comment
  UC35410  Epilobium foliosum Willis L. Jepson 1894-5-3 Napa St. Helena Napa River Basin Comment
  JEPS110714  Epilobium minutum Jake Ruygt 1981-5-6 1017 Napa .2 mile east of Walter Springs on Pope Canyon Rd. 182 Comment
  JEPS110715  Epilobium minutum Jake Ruygt 1991-5-11 2669 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  UCD106515  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena. Alongside Highway 128. 200 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
  UCSC009034  Epilobium minutum Dylan M. Neubauer 2015-4-26 136 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UCD167250  Epilobium torreyi Jake Ruygt 1991-5-18 2676 Napa Fawn Lake, Friesen's Lakes. 609 Comment
  SEINET8512943 Image available Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 mi. above Recreation Beach Comment
  UC1196439  Epipactis gigantea J. P. Tracy 1899-7-2 452 Napa Canyon of Moore's Creek Howell Mountain 335 Comment
  CAS-BOT-BC57378  Equisetum laevigatum Peter H. Raven 1951-6-10 2904 Napa Below Toll House, Mt. St. Helena 701 Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  CAS-BOT-BC204630  Eragrostis mexicana subsp. virescens Peter H. Raven 1951-10-28 3932 Napa Conn Lake, strand at w. end 152 Comment
  JEPS106940  Ericameria arborescens Jake Ruygt 1991-12-7 2849 Napa Mead Ranch, Atlas Peak Rd, ridge over Soda Canyon 554 Comment
  JEPS41421  Erigeron biolettii Willis L. Jepson 1893-1 Napa Howell Mt. Napa River Basin Comment
  UCD63174  Erigeron foliosus var. franciscensis Jake Ruygt 1996-6-23 3755 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 438 Comment
  CAS-BOT-BC295129  Erigeron greenei John Thomas Howell 1933-8-27 11625 Napa Sage Canyon, Napa Range Comment
  JEPS129055  Erigeron greenei Jake Ruygt 2016-10-2 6296 Napa Mead Ranch, north entrance, Atlas Pk Road. Capell Valley 7.5' Quad. Comment
  POM264143  Erigeron inornatus var. biolettii J. C. Roos 1939-4-16 252 Napa Angwin. Comment
  RSA128977  Erigeron peregrinus Peter H. Raven 1950-6-27 2436 C Napa N. side of Lake Van Norden. Comment
  HSC45345  Eriodictyon californicum R. York 1978-4-8 113 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  RSA60356  Eriodictyon californicum G. R. Campbell 1948-6-18 659 Napa 10 miles south of Montecello Comment
  SEINET3091529 Image available Eriodictyon californicum Royal D. Suttkus 1967-6-26 67- 30 -17 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD119296  Eriodictyon californicum Andreas Stohr 1996-4-21 2 Napa Along Road 128. 180 Comment
  CAS-BOT-BC242607  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  UCD164779  Eriogonum dasyanthemum Jake Ruygt 2010-7-24 Napa East side of Hwy 121, at north end of Wooden Valley. 426 Comment
  CAS-BOT-BC266057  Eriogonum luteolum Peter H. Raven 1951-10-28 3929 Napa Conn Valley 152 Comment
  CAS-BOT-BC266059  Eriogonum luteolum Elizabeth McClintock 1952-8-31 52 -603 Napa About 4 miles north of Aetna Springs in Butts Canyon Comment
  JEPS56162  Eriogonum luteolum W. L. Jepson 1907-11-30 2876 Napa near Yountville; Stag's Leak Comment
Read comments
Nov 12 2011
  JEPS110760  Eriogonum luteolum var. luteolum Jake Ruygt 1992-8-31 3131 Napa Wild Horse Valley Ranch, north of Leoma Lakes 411 Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  UC1245379  Eriogonum luteolum var. luteolum Joseph P. Tracy 1950-5-23 18683 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  UC6529  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UC85728  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1892 Napa Calistoga Comment
  UC85734  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD164746  Eriogonum luteolum var. luteolum Jake Ruygt 2014-6-7 5971 Napa Livermore Ranch, Montesol. 664 Comment
  UCD164784  Eriogonum luteolum var. luteolum Jake Ruygt 2009-6-18 5441 Napa Chiles-Pope Valley Rd. 286 Comment
  CAS-BOT-BC268978  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  JEPS56601  Eriogonum nudum var. auriculatum Willis L. Jepson 1903-9-6 2348 Napa St. Helena Comment
  UCD164790  Eriogonum nudum var. nudum Jake Ruygt 2007-7-22 5249 Napa Conn Valley Road near Rossi Road. 115 Comment
  CAS-BOT-BC269714  Eriogonum nudum var. oblongifolium L. R. Abrams 1916-7-2 5766 Napa Near St. Helena Sanitarium Comment
  JEPS56611  Eriogonum nudum var. oblongifolium Willis L. Jepson 1893-9-23 20992 Napa above Calistoga; Upper Napa Valley, Napa River Basin Comment
  RSA355183  Eriophyllum lanatum L. F. LaPre 1985-4-25 s.n. Napa Rare Plant Cyn, 2 mi SW of Knoxville, just E of Lake Co. Line. 366 Comment
  CAS-BOT-BC301054  Eriophyllum lanatum var. achilleoides Peter H. Raven 1951-5-6 2817 Napa 4 miles Conn Dam from Rutherford 91 Comment
  UCD54313  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  CAS-BOT-BC301048  Eriophyllum lanatum var. achilleoides Mrs. H. C. Cantelow 1934-5-30 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC301174  Eriophyllum lanatum var. arachnoideum Betty H. Johnson 1958-6-8 608 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  UCD83857  Erodium brachycarpum Ellen Dean; Stephen Rae 2010-3-15 5815 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  UCD49058  Erodium cicutarium E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 12 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  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
  RSA181406  Eryngium aristulatum var. aristulatum James I. McMurphy 1910-6-7 s.n. Napa Between Napa and Petaluma Comment
  UC2026902  Eryngium aristulatum var. aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  UC596078  Eryngium aristulatum var. aristulatum R. F. Hoover 1937-8-31 2701 Napa 6 mi. s. Napa Comment
  UC648290  Eryngium aristulatum var. aristulatum John Thomas Howell 1933-9-3 11655 Napa 6 mi. n. Vallejo Comment
  UC21007  Eryngium articulatum Willis L. Jepson 1894-1 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  UCD161238  Erysimum capitatum Jake Ruygt 2009-5-22 5415 Napa Napa County : American Canyon, across road from quarry. (Coordinates estimated by label maker at UC Davis). 172 Comment
  UC673520  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount St. Helena Comment
  UCD74392  Erysimum capitatum var. capitatum Jake Ruygt 1995-5-8 3473 Napa 1.5 miles south of boatramp on Sage Canyon Rd. Taylor's. 402 Comment
  SEINET14045965 Image available Erythranthe microphylla L. Constance 1938-1 2040 Napa above Wooden Valley 8 mi. ne. of Napa; e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  NY319670  Erythronium helenae E. I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  SEINET12104719  Eschscholzia caespitosa I. Anderson 1998-4-28 6 Napa along Hwy 128, 0.5 mi W of Monticello Dam, 100 ft E of highway 152 Comment
  SEINET5718781 Image available Eschscholzia caespitosa Kenneth H. Traver 1969-1 19 Napa 1 mile west of Monticello Dam; Monticello Dam Comment
  UC1005659  Eschscholzia caespitosa Frank W. Gould 1939-4-6 606 Napa 1 mi n Knoxville (on road to Lower Lake) 457 Comment
  RSA127600  Eschscholzia caespitosa subsp. caespitosa Peter H. Raven 1955-3-20 8244 Napa Just below Hennessey Lake, Conn Valley Comment
  RSA51295  Eschscholzia caespitosa subsp. caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley grade above Napa. 457 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
  UC186886  Eschscholzia californica C. F. Sonne April, 1887 Napa Napa Valley Comment
  RSA10671  Euphorbia crenulata C. B. Wolf 1928-5-3 1818 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS48860  Euphorbia crenulata Elsa Kraeger 1926-3-28 Napa 0.5 mi from Mt. St. Helena Hotel (near Russ House) Comment
  UCD167044  Euphorbia crenulata Jake Ruygt 1996-5-14 3695 Napa White Cliff Springs; Elder Valley; (Sabini property). 390 Comment
  UC2043157  Euphorbia oblongata Barbara Ertter with Jake Ruygt 1996-4-25 14605 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD142806  Euphorbia serpillifolia Freed W. Hoffman 1946-8-20 856 Napa Soda Creek. Comment
  JEPS106419  Euphorbia spathulata Jake Ruygt 1989-5-9 2315 Napa American Canyon, Avilla Ranch 85 Comment
  UC527956  Euphorbia spathulata R. Bacigalupi, R. S. Ferris and Ira L. Wiggins 1933-6-2 6670 Napa 6 mi ne Pacific Union College (Howell Mt.) (on road to Aetna Springs) Comment
  RSA10686  Euphorbia spathulata C. B. Wolf 1928-5-3 1801 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CHSC102302  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UCD17997  Festuca californica Ellen Dean; with Plant Biology 102 class 2001-4-9 721 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Ridge Trail, south of jct. with South Decker Canyon Rd. 365 Comment
  UCD41413  Festuca californica Mark Bibbo; Ellen Dean, Alex Lee, Burak Petin 2003-4-26 127 Napa Just east of the Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  CAS-BOT-BC278340  Festuca californica subsp. californica Peter H. Raven 1964-5-9 19069 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CHSC83359  Festuca californica var. californica L. P. Janeway; B. Castro 2002-5-12 7542 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  RSA10675  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1153830  Festuca elmeri Beecher Crampton 1954-5-6 1834 Napa between Capell and Wooden Valley Wooden Valley (State Hwy 37) Comment
  UC187105  Festuca idahoensis J. P. Tracy 1902-5-19 1549 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 518 Comment
  JEPS84598  Filago pyramidata var. pyramidata John W. Willoughby 1977-4-20 2139 Napa w side of range Vaca Mountains (latitude approximately that of Mount Vaca) 457 Comment
  CAS-BOT-BC53525  Frangula californica subsp. tomentella H. D. Ripley; R. C. Barneby 1945-1-20 6913 Napa St. Helena Creek 518 Comment
  UCD122028  Fraxinus dipetala Beecher Crampton 1969-6-30 8486 Napa 1 mile west Monticello Dam, State Hwy. 128. Comment
  SEINET6694613 Image available Fraxinus dipetala Evert I. Schlinger 1952-1 69 Napa Samuel Springs, 7 miles northwest of Monticello 91 Comment
  SEINET13943113 Image available Fraxinus latifolia Lewis S. Rose 1955-1 55190 Napa Below Conn Lake; 4 mi NE of Rutherford; ca. 200 ft alt. 61 Comment
  UCD40902  Fremontia californica S. Boshoren 1983-5-29 25 Napa 5 miles from Knoxville, NW on Berryessa-Knoxville Road. Comment
  CAS-BOT-BC205887  Fremontodendron californicum Walter Knight; Irja Knight 1963-10-20 366 Napa 4.5 mi. north of Knoxville Comment
  CAS-BOT-BC205889  Fremontodendron californicum Peter H. Raven 1951-6-10 2936 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC205890  Fremontodendron californicum M. A. Nobs 1939-6-3 s.n. Napa Half way between Monticello and Lower Lake Comment
  HSC38150  Fremontodendron californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2347 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  JEPS42891  Fremontodendron californicum W. L. Jepson 1943-5-15 20778 Napa Knoxville Ridge Comment
  SEINET5510212 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  JEPS61904  Fritillaria affinis Willis L. Jepson 1893-5-2 14822 Napa e from Calistoga (Napa River Basin, new Pope Valley grade); Napa Mountains, Napa River Basin, Pope Valley Comment
  UC3648  Fritillaria affinis Mrs. D. O. Hunt 1899-3-6 Napa St. Helena Comment
  RSA52736  Fritillaria affinis I. L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga - Middletown highway Comment
  UC545850  Fritillaria recurva E. Crum 1936-3-15 1739 Napa Butt's Canyon, Pope Valley-Middletown Road Butt's Canyon; , Pope Valley-Middletown Road Comment
  UCD139675  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa north end of Capell Valley, above Capell Creek, along State Hwy 128. Comment
  CAS-BOT-BC508187  Fritillaria recurva Alice Eastwood 1923-4-12 s.n. Napa Soda Springs 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
  JEPS61954  Fritillaria recurva Willis L. Jepson 1893-5-5 14819 Napa ne side of Mount St. Helena, Middletown Grade Mount St. Helena; , Middletown Grade Comment
  POM169613  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir. St. Helena Comment
  RSA450202  Fritillaria recurva D. V. Hemphill 1949-4-16 s.n. Napa [no additional locality information] Comment
  RSA0054812  Galium Keith E. Hoffmaster 1946-3-9 1233 Napa Prob. Napa range. Comment
  JEPS7029  Galium andrewsii subsp. andrewsii W. L. Jepson 1938-5-22 18834 Napa South Fork Butts Canyon Comment
  RSA293049  Galium andrewsii subsp. andrewsii Reino Alava, Lincoln Constance, R. Ornduff 1957-5-5 764 Napa Mt St Helena. Comment
  UCD15985  Galium andrewsii subsp. andrewsii C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 2 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 9.2'' N; 122 deg. 21' 11.5'' W; 480 m. Comment
  UCD49247  Galium aparine L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 8 Napa SW end of Lake Barryessa, 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. 10-20 ft. from stream. 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
  JEPS52680  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 C Napa at junction road to Angwin and road to Sanitarium; n of St. Helena Comment
  RSA26400  Galium bolanderi J. T. Howell 1941-6-21 16312 Napa Hills SW of St. Helena. Comment
  JEPS3955  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa hills w Napa Valley (between St. Helena and Mt. St. John) 228 Comment
  UC527948  Galium divaricatum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6660 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  SBBG29183  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa hills W of Napa Valley between St Helena and Mt St John 228 Comment
  UCSB24071  Galium mexicanum subsp. asperulum James, C. 1966-4-24 Napa Junction of State Highway 12 & 121 and Foster Road, west of Napa Comment
  CDA10895  Galium murale G. F. Hrusa, M. Rejmanek 1993-5-15 10990 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD49251  Galium murale M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 3 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines, 150 ft. W of lat./long. position. 335 Comment
  SEINET5738653 Image available Galium nuttallii J. A. Marinovich 1964-1 17 Napa State Highway 128 between Monticello Dam and its junction with State Highway 37.; Monticello Dam Comment
  CDA11899  Galium porrigens var. porrigens G. F. Hrusa, G. L. Stebbins 1994-4-8 11724 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS18279  Galium porrigens var. porrigens Peter H. Raven 1957-5-5 10776 Napa just w Calistoga 182 Comment
  JEPS129075  Galium porrigens var. tenue Jake Ruygt 2016-4-2 6171 d Napa Smittle Creek NCRPOD, west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1562617  Galium porrigens var. tenue Barbara Ertter with Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Rd n; Lake Berryessa (9.0 mi s of Knoxville tunnel, base of e-facing slope at edge of stream) 243 Comment
  CAS-BOT-BC199055  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  CHSC108726  Garrya congdonii B. Castro; L. P. Janeway 2002-5-12 1363 Napa Inner North Coast Ranges. SW-facing slope overlooking Pocock Creek along sides of the dirt road from Devilhead Road. 502 Comment
  UC971940  Garrya congdonii C. R. Bell 1952-3-8 1245 Napa 5.8 mi e Pope Valley - Monticello road junction (n of road) Comment
  UC21610  Garrya flavescens Willis L. Jepson 1893-5-2 Napa near Palisades (New Pope Valley grade); Napa River Basin Comment
  UC402907  Garrya flavescens Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  SEINET9298758  Garrya flavescens Unknown 1997-2-3 13617 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Shrub, 6 ft. Comment
  CAS-BOT-BC144377  Garrya fremontii John Thomas Howell 1939-2-5 14597 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144379  Garrya fremontii H. E. McMinn 1925-1-23 1363 Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC278653  Gastridium phleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6659 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  UCD19927  Gastridium phleoides E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 782 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD82603  Gastridium phleoides Ellen Dean; T. Starbuck 2009-5-4 5541 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD73510  Genista monspessulana Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS61469  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring Comment
  UCD103394  Geranium dissectum M. Wiesendanger 1927-5-4 666 Napa Near Monticello. Comment
  UCD23412  Geranium molle Helen West 1977-4-16 1 Napa Purple flowers, 10 stamens (2 rows of 5), low lying plant. Collected in sunny meadow, surrounding vegetation was low, covering plants, soil parent material is shale. 6.3 miles southwest of Monticello Dam, off Hwy. 128, along road side. 182 Comment
  RSA119160  Gilia capitata John H. Thomas 1955-5-21 5141 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  SEINET233344  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road base of Conn Dam 1.2 mi E of intersection with the Silverado Trail 73 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
  UC932035  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa wooded canyon ca 8 mi ne Vichy Springs (on Monticello Road, Mayacama Mountains); Mayacama Mountains, ne of Vichy Springs Comment
  JEPS69530  Gilia capitata subsp. capitata W. L. Jepson 1896-6-2 15074 Napa hills at mouth of Conn Valley on edge Napa Valley; edge of Napa Valley, mouth of Conn Valley Comment
  JEPS69535  Gilia capitata subsp. capitata W. L. Jepson Nov. 1895 20941 Napa sw St. Helena (White Sulphur Spring); sw of St. Helena, White Sulphur Springs Comment
  CAS-BOT-BC257666  Gilia tricolor R. C. Wenk; E. S. Wenk 2006-4-30 434 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  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
  SEINET7072774  Githopsis specularioides A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road on the North Slope. UTM Zone 10, 548879mE, 4271447mN. Coordinate datum: NAD 27.) Comment
  RSA769217  Glinus lotoides L. Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 air miles northwest of Winters 130 Comment
  UC1010479  Glinus lotoides Peter H. Raven 1951-10-28 3931 Napa at w end of Conn Lake 152 Comment
  UCR71524  Glinus lotoides Barbara Ertter, E. Neese 1988-10-2 7966 Napa North Coast Ranges, Lake Hennessey, c. 15 air mi NNW of Napa, on Conn Creek 92 Comment
  CAS-BOT-BC303820  Gnaphalium John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St Helena Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 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
  UCD121180  Gnaphalium palustre Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7359 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. 405 Comment
  JEPS1961 Image available Godetia amoena var. concolor W. L. Jepson 1893-5-2 13337 Napa New Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS110681  Gratiola ebracteata Jake Ruygt 1993-4-12 3194 Napa Buchli Staion Rd. DFG property, near railroad tracks 3 Comment
  OBI74534  Grindelia camporum David J. Keil 1986-11-8 19793 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S of turnoff to Homestake McLauglin Mine/MIll 350 Comment
  CAS-BOT-BC304908  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Mt. St. Helena Comment
  CAS-BOT-BC314580  Grindelia hirsutula Peter H. Raven 1951-6-26 3099 Napa 4 miles N of Vallejo near Solano Co. line 30 Comment
  POM41961  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD63180  Grindelia hirsutula var. davyi Jake Ruygt 1981-6-10 1051 Napa west of Mt. Vaca on Vaca Range. 457 Comment
  UC556409  Harmonia hallii H. M. Hall 1931-5-27 13094 Napa near Knoxville (ne Napa Co.); ; near Knoxville, NE Napa Co. Comment
  CAS-BOT-BC302214  Harmonia nutans M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC302247  Harmonia nutans David D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE. of Napa 200 Comment
  JEPS122757  Harmonia nutans Jake Ruygt 2001-3-24 4298 Napa Yountville Hills. Quad: Rutherford. 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
  UC1321309  Helenium bigelovii R. F. Hoover 1966-8-23 9934 Napa near Lake Co. line; Butts Canyon Comment
  CDA29733  Helenium puberulum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 215 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
  CDA34654  Helenium puberulum L. Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  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
  JEPS35542  Helenium puberulum W. L. Jepson 1936-7-6 17649 Napa Sage Canyon Napa Range, Sage Canyon Comment
  OBI16346  Helenium puberulum Robert F. Hoover 1966-8-23 9934 Napa Butts Cyn near Lake Co. line Comment
  JEPS33581  Helianthella californica subsp. californica W. L. Jepson 1936-6-1 17595 Napa near Four Corners; Napa Range, Howell Mt. Comment
  CAS-BOT-BC314717  Helianthella californica var. californica John Thomas Howell 1937-7-4 13057 Napa Wooden Valley Grade Comment
  CAS-BOT-BC314719  Helianthella californica var. californica Paul F. Covel 1940-4-28 1703 Napa Grade near Sanatarium Comment
  UCD82596  Helianthella californica var. californica Ellen Dean; T. Starbuck 2009-5-4 5535 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  RSA133703  Helianthemum scoparium var. vulgare John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  RSA128975  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 miles east of Chiles Valley 305 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
  UCD63181  Helianthus bolanderi Jake Ruygt 1986-7-5 1861 Napa Devilshead Rd. at road to 'sensitive plant canyon'. 472 Comment
  JEPS4455  Helianthus californicus W. L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Howell Mountain, Angwin's Meadows Comment
  CHSC103019  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CDA34656  Heliotropium europaeum L. 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. Comment
  UCD161740  Heliotropium europaeum Jake Ruygt 1992-9-5 3143 Napa 0.15 mile south of Tubbs Lane on Myrtledale Road, Calistoga. 122 Comment
  JEPS121370  Hemicarpha micrantha var. minor Jake Ruygt 1986-8-3 1894 Napa Milliken Creek about .5 mile south of Foss Valley. Comment
  CAS-BOT-BC309841  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1952-6-28 4203 Napa Conn Valley 137 Comment
  UCD20508  Hemizonia congesta subsp. luzulifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1081 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  CAS-BOT-BC309845  Hemizonia congesta subsp. luzulifolia L. S. Rose 1927-7-24 s.n. Napa St. Helena Comment
  POM194218  Hemizonia lutescens J. T. Howell 1929-10-26 4541 Napa 9 miles N of Vallejo. Comment
  POM298277  Hemizonia parryi subsp. parryi D. D. Keck, Jens Clausen 1933-11-10 2715 Napa Calistoga, 2 miles N of center of town at the geysers. Comment
  POM194219  Hemizonia pungens subsp. pungens J. T. Howell 1929-10-26 4542 Napa 9 miles N of Vallejo. 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
  UCD170688  Hesperevax sparsiflora var. sparsiflora 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. 163 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
  HSC46349  Hesperocyparis sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  CAS-BOT-BC167405  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs 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
  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
  RSA151715  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 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
  UC1212358  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4140 Napa canyon at junction of Snell Valley road; Inner North Coast Ranges, Butts Canyon 196 Comment
  UC1212371  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4076 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
  UCD119647  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. 427 Comment
  CAS-BOT-BC167446  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa S. [Cappell] Capell Valley 365 Comment
  JEPS112650  Hesperolinon californicum Jake Ruygt 2000-6-10 4267 Napa Berryessa-Knoxville Rd near Foley Creek. 341 Comment
  OBI12547  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Inner North Coast Ranges. S margin Chiles Valley near Chiles Valley School 305 Comment
  UC146130  Hesperolinon californicum Joseph P. Tracy 1905-7-5 2205 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  UCD110500  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa Above Sage Creek on west side Chiles Valley. 304 Comment
  CAS-BOT-BC176017  Hesperolinon californicum Lester Rowntree 1937-6-1 s.n. Napa Saca Canyon Comment
  UCD110499  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa Slopes of Sage Canyon, south side of Conn Dam. 76 Comment
  CAS-BOT-BC176058  Hesperolinon clevelandii Peter H. Raven 1950-6-20 2387 Napa Howell Mtn., on NNE side road to Pope Valley Comment
  RSA262583  Hesperolinon clevelandii Kathleen Barnes 1973-6-4 61 Napa McDonald Ranch, 1/2 mile up from house, Pope Valley Road. Comment
  SD51768  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine. 305 Comment
  UC1601234  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4645 Napa one mi beyond Aetna Springs (w of mine road, ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  UC517479  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa hills e Napa Comment
  JEPS104849  Hesperolinon disjunctum Dean W. Taylor 1998-6-23 16699 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UC1212493  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa Pope Valley-Monticello road about 1 mi e spur road to Samuels Spring (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  UC1212499  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Pope Valley-Monticello road about one mi e spur road to Samuels Springs (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. Comment
  JEPS122777  Hesperolinon micranthum Jake Ruygt 1980-5-13 893 Napa Mt. St. John. QUAD: Rutherford Comment
  RSA435707  Hesperolinon micranthum Robert Gustafson, Don Reynolds 1983-6-7 2738 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. 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
  UC1601272  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 b Napa 2.1 mi beyond intersection of Conn Reservoir road to Rutherford with Chiles Valley-Pope Valley road Inner North Coast Ranges, Chiles Valley 198 Comment
  UCD160739  Hesperolinon micranthum Ellen Dean 2015-5-23 8791 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD37129  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  JEPS122793  Hesperolinon sharsmithiae Jake Ruygt 2009-5-27 5424 Napa Mt. George, about 1/8 mile down road from homestead site. Tupper. QUAD: Mount George. Comment
  JEPS122869  Hesperolinon sharsmithiae Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-18 602 Napa At end of Barnett Rd. off of Pope Valley Rd. Comment
  RSA435710  Hesperolinon spergulinum Robert Gustafson, Don Reynolds 1983-6-7 2740 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC168967  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2226 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  SEINET265722  Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves 7.2 miles NW of Pope Valley Comment
  UC1536920  Heteromeles arbutifolia Gordon H. True Jr. 1937-6-20 729 Napa e of Napa (Mt. George); Mt. George 304 Comment
  UCD113314  Heteromeles arbutifolia Heidi E. M. Dobson 1978-7-12 347 Napa East slope of Mt. Veeder. Comment
  UCD113325  Heteromeles arbutifolia P. J. Plummer 1995-6-5 s.n. Napa Highway 128. 73 Comment
  UC31135  Heterotheca oregona var. compacta Willis L. Jepson 1892-10-22 Napa Sulphur Spring Creek bed Napa River Basin, Sulphur Spring Creek Comment
  CAS-BOT-BC176952  Heterotheca oregona var. oregona J. C. Semple; S. Heard 1986-8-20 8566 Napa Just N of [Calistogo] Calistoga on CA-29m, 15.3 km SW of Lake county line. Gravel bars of Garnett Creek Comment
  JEPS2448  Heterotheca oregona var. rudis W. L. Jepson 1895-11-27 14679 Napa near St. Helena; White Sulphur Springs Creek Comment
  UC420437  Heuchera micrantha var. erubescens H. P. Chandler 1907-5-14 7582 Napa White Sulphur Spring St. Helena Comment
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1
  UC11351  Heuchera micrantha var. erubescens Willis L. Jepson 1893-5-8 Napa Howell Mt; Napa River Basin Comment
  CAS-BOT-BC55303  Hirschfeldia incana Peter H. Raven 1952-5-29 4074 Napa Napa River 1 mile north Napa. 60 Comment
  JEPS53265  Hirschfeldia incana W. L. Jepson 1922-10-22 9831 Napa White Sulphur Creek bed St. Helena Comment
  RSA517453  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. 152 Comment
  UCD38948  Holocarpha virgata Beecher Crampton 1961-9-19 5979 Napa 3 miles east of Moskowite Corner, State Hwy. 128. Comment
  CAS-BOT-BC324649  Holocarpha virgata Peter H. Raven 1952-8-26 5149 Napa Railway 3/4 mile west of Buchli Sta. 30 Comment
  UC1299261  Holocarpha virgata subsp. virgata Freed W. Hoffman 1947-9-12 1373 Napa Guenoc Rancho North Coast Ranges Comment
  CAS-BOT-BC149992  Holodiscus discolor var. discolor Peter H. Raven 1952-5-31 4147 Napa S.W. of Rector Canyon 304 Comment
  CAS-BOT-BC149993  Holodiscus discolor var. discolor Betty H. Johnson 1958-6-20 660 Napa Along old toll road, near Mt. Mill House, 6.4 miles SW of Middletown Comment
  UC89201  Holozonia filipes Brandegee 1888-8-1 Napa Howell Mountain Comment
  UCD63057  Hordeum brachyantherum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  UC1023500  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa E of Palisades (Crater Region) 762 Comment
  UCD85829  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-25 3468 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD20430  Hordeum murinum E. Dean; w/ PLB 102 class 2002-5-4 1018 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of powerlines. 259 Comment
  JEPS126088  Hosackia stipularis Jake Ruygt 1981-7-8 1057 Napa Road to Bateman Creek from Montesol; Livermore Road. Detert Reservoir 7.5' Qua. Comment
  CAS-BOT-BC410803  Hypericum concinnum Peter H. Raven 1950-6-20 2363 Napa The Napa Range between Conn Valley and Howell Mtn. Comment
  CAS-BOT-BC410811  Hypericum concinnum J. Clausen 1935-5-23 1072 a Napa Howell Mountain, near summit, 6.5 mi. N of St. Helena Comment
  JEPS66798  Hypericum concinnum Alice King July, 1919 Napa Mt. St. Helena, Van Ness ranch Comment
  CAS-BOT-BC410802  Hypericum concinnum James L. Reveal 1987-6-7 6400 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles W of Pleasant Valley Road, about 7 miles NW of Vacaville 762 Comment
  RSA491728  Hypericum concinnum James L. Reveal 1987-6-7 6400 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles west of Pleasant Valley Road, about 7 miles northwest of Vacaville. 762 Comment
  JEPS126050  Iris fernaldii Jake Ruygt 2002-4-1 4381 Napa West of Calistoga above Blossom Creek. Mark West Springs 7.5' Quad. Comment
  UCD70456  Iris fernaldii J. D. Clark 1995-5-27 21 Napa Robert Lewis Stevenson State Park. East of hwy 129; 1/1-3/4 mi from trailhead along trail. Shaded site. 548 Comment
  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
  JEPS126070  Iris longipetala Jake Ruygt 1999-4-24 4138 Napa Sugarloaf State Park, N of Bald Mountain McCormick Ranch Area. Kenwood 7.5' Quad. Comment
  IRVC14047  Iris macrosiphon A. French 1967-5-7 36 Napa Oakville-Santa Rosa Road; ca. 7 mi. from Oakville. Comment
  RSA123132  Iris macrosiphon A. Lewis 1932-5-14 79 Napa 3 miles up Dry Creek 152 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
  UCD118351  Iris macrosiphon Reed Crane; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 403 Comment
  UCD48718  Iris macrosiphon S. M. Smukler 1995-5-5 7 Napa Quail Ridge Preserve, 1/4 mi. from the University Cabin. 100 Comment
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Jan 14 2009
  UCD95917  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7053 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UCR156588  Iris macrosiphon A. French 1967-5-7 36 Napa Coast Range, Oakville to Santa Rosa Rd, approx 7 mi from Oakville 457 Comment
  JEPS116563  Isoetes howellii Jake Ruygt 1992-5-15 2962 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  JEPS369  Isoetes orcuttii J. P. Tracy 1902-5-19 1553 Napa Howell Mt., Moore's Creek 518 Comment
  UC666678  Juglans californica var. hindsii H. S. Reed 1938-6-11 163 Napa Oakville 243 Comment
  CAS-BOT-BC102317  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  CAS-BOT-BC102319  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  RSA1932  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  SD147981  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa Silverado Trail N. ca. 0.5 mile north of intersection with Deer Park Road. 152 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
  JEPS126036  Juncus balticus Jake Ruygt 1978-4-6 1287 Napa Suscol plain between Kaiser and Highway 29 (Rocktram). Cuttings Wharf 7.5' Quad. Comment
  JEPS126038  Juncus bolanderi Jake Ruygt 1992-8-31 3137 Napa Between Mitten Lake and Leoma Lakes, Wilde Horse Valley Ran. Mount George 7.5' Quad. Comment
  JEPS122674  Juncus capitatus Jake Ruygt 1992-5-7 2939 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  JEPS76128  Juncus effusus subsp. pacificus W. L. Jepson 1938-10-1 19048 Napa e slope Mt. St. Helena (just beyond pass, Molly Patton Inn) Comment
  JEPS67117  Juncus hemiendytus Jos. P. Tracy 1902-5-18 1534 Napa Head of Moores Creek Howell Mt. 518 Comment
  JEPS126039  Juncus hemiendytus var. hemiendytus Jake Ruygt 1990-4-21 2493 Napa Mead Ranch, Atlas Peak Road. Yountville 7.5' Quad. Comment
  UC1103673  Juncus hemiendytus var. hemiendytus Joseph P. Tracy 1902-5-21 1611 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCD147527  Juncus hemiendytus var. hemiendytus Ellen Dean; Diana Hickson 2014-4-29 8082 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  JEPS122655  Juncus kelloggii Jake Ruygt 1992-4-29 2912 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  UCD149040  Juncus occidentalis Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8186 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  RSA368101  Juncus oxymeris Robert Gustafson, Don Reynolds 1983-6-7 2734 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  JEPS122663  Juncus patens Jake Ruygt 1982-6-21 1340 Napa Suscol plain, (Rocktram). Quad: Napa. Comment
  RSA517031  Juncus patens W. L. Jepson 1936-6-1 17577 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UCD19339  Juncus xiphioides M. A. Bibbo; E. Dean 2001-7-6 32 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
  UCD167059  Juniperus occidentalis Jake Ruygt 1998-6-24 4057 Napa Taylor Bluff, Blue Ridge. 743 Comment
  CAS-BOT-BC235866  Keckiella corymbosa Peter H. Raven 1953-5-2 5400 Napa Summit of hill due e. of Yountville 304 Comment
  NY790364  Keckiella lemmonii R. C. F. Bacigalupi 1928-6-20 1873 Napa Howell Mountain, 10 miles west of St. Helena Comment
  POM14711  Keckiella lemmonii W. L. Jepson 1891-9-13 s.n. Napa Vacaville. Comment
  UC421576  Keckiella lemmonii John Thomas Howell 1929-8-4 4356 Napa 1 mi below Samuels Springs; Napa Range, Pope Creek Canyon Comment
  JEPS115771  Kickxia elatine Lowell Ahart 2009-10-12 16450 Napa Below the high water line of Lake Berryessa, along Capelll 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 133 Comment
  POM222621  Kickxia elatine H. P. Bracelin 1931-12-5 575 Napa Conn Creek, Napa Valley. Comment
  UCD123886  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 miles north of Calistoga, Napa River. Comment
  HSC93538  Koeleria macrantha G. Fred Hrusa, M. Rejmanek 1993-5-15 11006 Napa 225 Comment
  JEPS76077  Koeleria macrantha W. L. Jepson 1938-5-18 18789 Napa behind St. Helena Sanitarium Howell Mountain; , behind St. Helena Sanitarium Comment
  UCD36946  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  JEPS115849  Lactuca saligna Lowell Ahart 2009-10-12 16425 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winter 133 Comment
  CHSC102540  Lactuca serriola Lowell Ahart 2009-10-27 16480 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-BC26054  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring. Comment
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Mar 3 2018
  CAS-BOT-BC26056  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa bridge over Pope Creek, just south of Walters Spring Comment
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Mar 3 2018
  CAS-BOT-BC341429  Lagophylla minor Betty H. Johnson 1958-6-15 620 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  CAS-BOT-BC123304  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  SBBG36845  Lagophylla minor D. D. Keck 1933-5-29 2338 Napa bridge over Pope Crk, just S of Walters Spring; ISOTYPE: L. dichotoma subsp. minor Comment
  SEINET11807297  Lagophylla minor F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -335 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC341557  Lagophylla ramosissima Alice Eastwood 1918-9-3 7964 Napa Calistoga Comment
  CAS-BOT-BC341559  Lagophylla ramosissima H. M. Hall 1931-5-26 13092 Napa Twelve miles by road south of Monticello; near Capell Comment
  JEPS85022  Lamarckia aurea Larry Heckard, Mary Ashton 1969-5-3 2220 Napa 7 mi ne of Napa (Mead Ranch of the Atlas Peak Road); Mead Ranch 510 Comment
  JEPS63235  Lamium amplexicaule W. L. Jepson 1910-3-28 4019 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  CAS-BOT-BC295370  Lasthenia californica R. C. Wenk; E. S. Wenk 2006-4-30 436 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  CAS-BOT-BC338269  Lasthenia californica Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  CAS-BOT-BC338271  Lasthenia californica Peter H. Raven 1950-5-6 2020 Napa Near Old Faithful Geyser n. of Calistoga 182 Comment
  CHSC84558  Lasthenia californica John Dittes 2003-4-5 2003 -11 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  JEPS106677  Lasthenia californica Jake Ruygt 1990-4-1 2455 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  CAS-BOT-BC338275  Lasthenia californica Gilbert Muth 1967-4-16 633 Napa Snell Valley 182 Comment
  RSA113971  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Hot spring, Calistoga. Comment
  JEPS10012  Lasthenia californica subsp. californica Willis L. Jepson 1893-1 Napa Comment
  JEPS106672  Lasthenia conjugens Jake Ruygt 1983-5-1 1451 Napa Suscol Hill east of HWY 29 (221) 27 Comment
  JEPS106622  Lasthenia glabrata subsp. glabrata Jake Ruygt 1982-5-13 1246 Napa .5 miles south of Imola Ave. on South Jefferson,Napa 1 Comment
  UCD159788  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3164 Napa Soda Canyon Road, near crest. 457 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
  CAS-BOT-BC213497  Lathyrus jepsonii subsp. californicus Peter H. Raven 1952-5-29 4092 Napa Napa River 1 mi. N Napa 60 Comment
  UCD15615  Lathyrus latifolius Lisa Montany 1985-6-1 36 Napa Highway 128, 7 miles west of Silverado trail. 243 Comment
  CDA11433  Lathyrus torreyi G. F. Hrusa, M. Tu 1995-5-6 12156 Napa North Coast Biodiversity Arena; along Moores Creek in Las Posadas State Forest. Comment
  UCD106498  Lathyrus vestitus D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  RSA15677  Lathyrus vestitus subsp. vestitus Carl B. Wolf 1928-2-25 1491 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  JEPS106619  Layia chrysanthemoides Jake Ruygt 1990-4-20 2486 Napa near end of Henry Rd. 97 Comment
  JEPS106618  Layia gaillardioides Jake Ruygt 1980-4-22 841 Napa Pope Canyon Rd. at Walter Springs bridge (old) 195 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
  JEPS106633  Layia septentrionalis Jake Ruygt 1986-4-20 1719 Napa Palisades north of Oat Hill Mine Rd. 755 Comment
  CAS-BOT-BC274335  Leersia oryzoides Peter H. Raven 1952-9-14 5175 Napa Conn Creek e. of Yountville 91 Comment
  SEINET10840534  Legenere limosa Holland 1983-5-21 HOLLAND 1230 Napa A few hundred feet east of Routes 12 and 29, about 3.9 miles south of Route 121, about 1000 feet north of Suscol Creek 30 Comment
  SEINET9342757  Lepechinia calycina Unknown 1998-6-2 32 Napa Napa Co., CA Comment
  UC1245378  Lepidium latipes Joseph P. Tracy 1950-3-23 18685 Napa Head of Moores Creek Las Posadas State Forest, Howell Mountain 335 Comment
  CAS-BOT-BC226537  Leptosiphon acicularis Peter H. Raven 1953-5-2 5385 Napa Hills due e. of Yountville 243 Comment
  UCD118577  Leptosiphon androsaceus Robert C. Bechtel 1952-4-20 68 Napa 7 miles northwest of Monticello (Samuel Springs.) 91 Comment
  UCD118593  Leptosiphon androsaceus G. L. Stebbins 1983-5-8 C 3115 Napa Chiles Valley area. Comment
  UCD118598  Leptosiphon androsaceus M. Wiesendanger 1927-5-4 682 Napa near Monticello. Comment
  UCD118599  Leptosiphon androsaceus M. Wiesendanger 1928-4-6 884 Napa Redwood Highway between Calpella and Willits. Comment
  UCD13153  Leptosiphon androsaceus Kathleen Worden 1981-5-24 13 Napa Napa CO. Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. Comment
  CHSC52453  Leptosiphon androsaceus Keith G. Weinstock 1975-5-9 10 Napa State Highway 128, 12.6 miles southwest of the intersection of Road 89 and Road 32 (Yolo County). Comment
  UCD170446  Leptosiphon ciliatus Daniel Potter; Ninh Khuu 2017-5-14 918 Napa Knoxville Wildlife Area, west of and above Nevada Creek. 482 Comment
  UCD91277  Leptosiphon ciliatus Paul A. Aigner 2008-4-4 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 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
  UCD160642  Leptosiphon parviflorus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8731 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD20820  Leptosiphon parviflorus N. Nicola 2001-3-29 036 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  OBI11414  Leptosiphon parviflorus R. L. Hoover 1968-4-20 48 Napa Collected on Howell Mountain Road, 2.6 miles NE of State Routes 29/128, on west side of road. Comment
  UCD167236  Leptosiphon parviflorus Jake Ruygt 1986-4-29 1714 Napa 0.4 mile east of Flosden Road on American Canyon Road. 60 Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  SBBG117234  Lessingia ramulosa B. Crampton 1961-8-14 5968 Napa N end of Capell Valley, along St Hwy 128, above Capell Crk Comment
  UC761925  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa canyon of s fork Butts Creek; Canyon of s fork of Butts Creek Comment
  UCR141013  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa Inner North Coast Ranges, northern end of Capell Valley, along Calif. Hwy 128, above Capell Creek 213 Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  CAS-BOT-BC444465  Lewisia rediviva var. rediviva Alice Eastwood 1915-6-6 4666 Napa Mt. St. Helena Comment
  UC187093  Leymus triticoides Joseph P. Tracy 1903-5-23 2082 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS122716  Lilium pardalinum Jake Ruygt 1984-6-23 1569 Napa St. Helena Creek near Livermore Road. Quad: Detert Reservoir. Comment
  JEPS113970  Lilium rubescens Jake Ruygt 1979-6-18 702 Napa 1 mile west of Highway 29 on Diamond Mountain Road. Calistoga 7.5' Quad. Comment
  UCD116464  Limnanthes alba subsp. alba K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  JEPS17375  Limnanthes douglasii Rimo Bacigalupi with John Dawson 1955-4-25 4842 Napa 2 1/2 mi s Imola (along CA Hwy 29) Comment
  JEPS48862  Limnanthes douglasii Elsa Kraeger 1926-3-27 Napa s Soscol Comment
  SEINET8727028 Image available Limnanthes douglasii Laura Zeller 1965-1 29 Napa ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  CAS-BOT-BC361310  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-3-27 8757 Napa Along the Chiles and Pope Valley Road ca 4.7 miles NW of its junction with the Lower Chiles Valley Road. 230 Comment
  CHSC84509  Limnanthes douglasii subsp. nivea John Dittes 2003-4-5 2003 -12 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  JEPS112563  Limnanthes douglasii subsp. nivea Jake Ruygt 1996-4-11 3594 Napa Calistoga Airport 105 Comment
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 Comment
  UC971839  Limnanthes douglasii subsp. nivea Stanley G. Smith 1948-4-25 498 Napa on Hwy 29 n Yountville Comment
  SEINET11262762  Linanthus acicularis Peter H. Raven 1951-4-8 2766 Napa Yountville to Rutherford.; 0 76 Comment
  UC614694  Linanthus androsaceus L. Constance 1938-4-22 2133 Napa 2 mi w Yountville (above Dry Creek); North Coast Ranges, Miyakma Mountains 457 Comment
  UC907830  Linanthus androsaceus P. B. Kennedy 1929-5-23 Napa e side Howell Mountain; Moore Creek Comment
  JEPS110966  Linanthus bicolor Jake Ruygt 1996-4-13 3611 Napa Snell Valley Road at Stagecoach Canyon Road 179 Comment
  SEINET215090  Linanthus dichotomus R. F. Denno 1967-4-15 43 Napa Lower Chiles Valley Road, .75 mi. N. from its junc. with State Hwy. 128. 229 Comment
  UC146062  Linanthus dichotomus H. P. Chandler 1907-4-25 7535 Napa Conn Valley Comment
  UCD118647  Linanthus dichotomus L. P. Thibault 1995-6-2 63 Napa West side of Lower Chiles Valley Road, 1/4 mile NW of Highway 128. 300 Comment
  UC903158  Linanthus dichotomus Ethel Crum 1937-4-19 1786 Napa 17 mi ne Napa; Napa Range, Steel Canyon Comment
  UCD118645  Linanthus dichotomus R. L. Smith 1948-5-7 s.n. Napa East branch of Monticello Valley, about 3 miles E of Samuel Springs. Comment
  POM65868  Linanthus dichotomus subsp. meridianus C. F. Baker 1903-4-30 2627 Napa [Near] St. Helena. Comment
  UCD118642  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa 1/4 mile E of mail boxes on road to M and M Ranch, middle Snell Valley. Comment
  JEPS110968  Linanthus parviflorus Jake Ruygt 1986-3-29 1672 Napa Blue Ridge above Toll Canyon 432 Comment
  JEPS110969  Linanthus parviflorus Jake Ruygt 1995-4-24 3443 Napa 2 mi. south of Sage Canyon Rd. on private driveway (Taylor property) 432 Comment
  UC1198576  Linanthus parviflorus Joseph P. Tracy 1933-4-30 12092 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 396 Comment
  UC517483  Linanthus parviflorus John Thomas Howell 1933-5-21 11314 Napa e of Napa Comment
  JEPS101591  Linanthus pygmaeus subsp. continentalis Dean W. Taylor 1998-6-18 16678 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  CLARK-A1528-3206  Linum clevelandii John C. Roos 1939-5-13 266 Napa Angwin Comment
  JEPS37849  Lithocarpus densiflorus Willis L. Jepson 1903-9-6 2354 Napa York Creek Canyon Napa River Basin, St. Helena (St. Helena) Comment
  CAS-BOT-BC36062  Lithocarpus densiflorus var. densiflorus Alice Eastwood 1918-5-1 6855 Napa Mt. St. Helena Comment
  CDA14298  Lithocarpus densiflorus var. densiflorus G. F. Hrusa 1989-4-29 6045 A Napa North Coast Biodiversity Arena; N side of Mt. St. Helena on Ida Clayton Rd. Comment
  SFV8647  Lithophragma affine P. W. Fong 1971-5-1 57 Napa McDonald Ranch, about 20 miles northwest of intersection of State Highways 121 and 128 on Chiles Valley Road. North facing slope near top of small hill. 244 Comment
  UCD102709  Lithophragma affine M. Wiesendanger 1928-4-5 861 Napa Monticello-Napa Road. Comment
  CAS-BOT-BC430627  Lithophragma affine E. Ruckert 1928-5-3 101 Napa 6495 Dry creek Road, upper meadow southwest of road leading in from county road 411 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
  UCSB2569  Lithophragma heterophyllum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 304 Comment
  UCD73408  Logfia filaginoides 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-BC342439  Logfia gallica John H. Thomas 1955-5-21 5180 F Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS33569  Logfia gallica W. L. Jepson 1936-6-2 17614 Napa hills to e Yountville (on e side road); Napa Valley Comment
  JEPS16095  Lomatium californicum Willis L. Jepson 1894-4-30 14247 Napa range w. of and near Calistoga (grade to Rebecca Ranch); Napa River Basin Comment
  UCD149669  Lomatium californicum 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
  SBBG5199  Lomatium californicum H. and M. Dearing 1939-5-1 3243 Napa Spring Mtn Grade, Comment
  UCD149668  Lomatium dasycarpum 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
  UCD47851  Lomatium dasycarpum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 11 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD48425  Lomatium dasycarpum S. Murphy; K. Keck and K. Dyer 2002-5-5 11 Napa Quail Ridge UC Reserve, northern tip of ridge, along southern edge of upper road leading to power lines and tip parcels, north from the intersection of West and East roads ca. 450 m. 327 Comment
  JEPS105675  Lomatium dasycarpum subsp. dasycarpum L. P. Janeway, B. Castro 2002-5-12 7549 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek 488 Comment
  RSA452088  Lomatium dasycarpum subsp. dasycarpum Joseph A. Ewan 1934-4-30 8829 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  UCD47850  Lomatium hooveri S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 22 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting creek, on east-facing slope of 'Research Hill'. 655 Comment
  CHSC108731  Lomatium macrocarpum B. Castro; L. P. Janeway 2002-5-12 1359 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  UCD63185  Lomatium macrocarpum Jake Ruygt 2003-3-21 4473 Napa At head of the Foley Creek canyon; at county line. 609 Comment
  UCD170152  Lomatium marginatum var. purpureum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 737 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 Comment
  HSC103471  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane Nelson 1981-4-14 6400 Napa Along Morgan Valley Rd., ~ 1.5 mi. N of junction with Devil Head Rd., opposite Manhattan Mine. 579 Comment
  CAS-BOT-BC217814  Lomatium repostum John Thomas Howell 1930-7-13 5358 Napa Edge of Crater Country Comment
  JEPS101764  Lomatium repostum Dean W. Taylor 1998-6-3 16456 Napa Kidd Canyon on road 50 m N of mine mill site ca. 0.5 road miles N of Twin Peaks Mine 579 Comment
  JEPS104552  Lomatium repostum Jake Ruygt 1989-5-13 2324 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 Comment
  UC735134  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
  UCD160296  Lomatium repostum James A. Neilson Jr. 1975-5-17 3193 Napa Robert Louis Stevenson State Park, 2/3 of the way along road to summit of Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  UCD19867  Lomatium utriculatum C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1198 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  JEPS104516  Lomatium vaginatum Jake Ruygt 1993-4-3 3186 Napa Oat Hill Mine Rd. below the Palisades. 658 Comment
  JEPS104518  Lomatium vaginatum Jake Ruygt 1994-3-19 3324 Napa Table Rock 743 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
  CAS-BOT-BC240562  Lonicera hispidula L. S. Rose 1927-5-28 s.n. Napa Napa Comment
  CAS-BOT-BC240563  Lonicera hispidula H. E. McMinn 1923-5-25 967 Napa Summit Wooden Valley Grade Comment
  UCD95687  Lonicera hispidula Ellen Dean; with Clare Loughran 2011-5-20 7032 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  JEPS106724  Lonicera hispidula var. vacillans Jake Ruygt 1979-6-1 663 Napa 1.2 miles west of HWY 29 on Diamond Mtn. Road 195 Comment
  JEPS106725  Lonicera hispidula var. vacillans Jake Ruygt 1998-7-18 4092 Napa Bear Valley 640 Comment
  UC1125229  Lonicera hispidula var. vacillans A. Lewis May 1934 104 Napa Sarco Creek Napa Quadrangle 304 Comment
  JEPS126121  Lonicera involucrata var. ledebourii Jake Ruygt 1997-5-10 3848 Napa Atlas Peak Road about 0.2 miles south of Foss Valley (Mead). Capell Valley 7.5' Qua. Comment
  JEPS126086  Lotus corniculatus Jake Ruygt 1982-5-13 1248 Napa 0.5 mile south of Imola Ave. on South Jefferson Street. Napa 7.5' Qua. Comment
  JEPS107212  Lotus humistratus Jake Ruygt 1977-4-17 192 Napa .4 mile west of HWY 29 on Oat Hill Mine Road 195 Comment
  CDA27274  Lotus micranthus T. C. Fuller 1958-5-1 3721 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  JEPS65171  Lotus micranthus W. L. Jepson 1938-5-25 18855 Napa outside Bell Canyon Howell Mountain 579 Comment
  JEPS107206  Lotus purshianus var. purshianus Jake Ruygt 1992-5-15 2960 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 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
  JEPS55897  Lotus scoparius Willis L. Jepson 1893-6-26 13805 Napa grade to Howell Mt. Napa River Basin Comment
  JEPS129063  Lotus tenuis Jake Ruygt 1976-5-31 108 Napa .3 mile east of Atlas Peak Road on Hillcrest Drive. Napa 7.5' Quad. Comment
  RSA568530  Lotus unifoliolatus T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  CDA10890  Lotus wrangelianus G. F. Hrusa, M. Rejmanek 1993-5-15 10985 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  RSA735365  Lupinus Keith E. Hoffmaster 1946-3-23 1094 Napa Napa range, along Napa-Monticello road Comment
  JEPS85667  Lupinus John Thomas Howell 1926-3-20 1701 Napa s side Mt. St. Helena; , s side 457 Comment
  UC15756  Lupinus affinis Willis L. Jepson 1893-4-26 Napa Oakville; Napa River Basin, Oakville Comment
  UCD162090  Lupinus albifrons Dylan O. Burge 2014-3-15 1487 Napa Mount Saint Helena. 850 Comment
  CAS-BOT-BC201550  Lupinus albifrons var. albifrons E. K. Balls 1952-5-8 8743 Napa 2.8 mi. W. from Calistoga on rd. to Santa Rosa, via. Petrified Forest Comment
  CDA11338  Lupinus albifrons var. albifrons G. F. Hrusa 1995-4-2 12048 Napa North Coast Biodiversity Arena; 1 m. NE of corner of Chiles-Pope Valley Rd. and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res., on Hwy. 128. Comment
  RSA26103  Lupinus albifrons var. albifrons H. C. Cantelow 1936-3-21 s.n. Napa Howell Mt. Comment
  UC201116  Lupinus albifrons var. albifrons Katharine Brandegee 1918-7-31 Napa Toll House Mt. St. Helena (Mt. St. Helena); , Toll House Comment
  HSC45366  Lupinus bicolor R. York 1978-4-8 109 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS107229  Lupinus bicolor Jake Ruygt 1982-3-28 1154 Napa Suscol plain between Rocktram and HWY 29 (221) 3 Comment
  JEPS107230  Lupinus bicolor Jake Ruygt 1980-5-13 889 Napa Campbell Flat, Mt. St. John 316 Comment
  JEPS107231  Lupinus bicolor Jake Ruygt 1982-4-25 1204 a Napa Aetna Springs below Swartz Canyon 246 Comment
  JEPS64975  Lupinus bicolor W. L. Jepson 1915-4-23 6265 Napa Chiles Creek hills Conn Valley, Chiles Creek hills Comment
  UC75245  Lupinus bicolor C. F. Baker Apr 1903 1988 Napa Calistoga Comment
  OBI2849  Lupinus bicolor R. L. Hoover 1968-4-20 44 Napa On Howell Mt Rd, 2.6 mi NE of State Rte 29/128, on W side of rd just below curve Comment
  UCD16030  Lupinus bicolor N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 18 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-3 dm tall, flowers dark purple/blue. Comment
  POM160869  Lupinus bicolor subsp. umbellatus J. G. Lemmon 1889-04 s.n. Napa Calistoga. Comment
  POM181684  Lupinus densiflorus var. aureus Williams 1927-4-15 s.n. Napa Hills. Comment
  JEPS107228  Lupinus formosus var. formosus Jake Ruygt 1997-4-18 3831 Napa Greenfield Road (Dean property). 237 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
  SEINET10490750  Lupinus formosus var. formosus Donald E. Bright 1962-6-9 Bright 264 Napa Roadside, 5 mi n of calistoga, along highway 29. 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
  JEPS107217  Lupinus microcarpus var. densiflorus Jake Ruygt 1989-5-24 2348 Napa Fagan Creek at South Kelly Rd. 21 Comment
  OBI48332  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  CHSC84571  Lupinus nanus John Dittes 2003-4-5 2003 -14 Napa Inner North Coast Range; approximately 6.0 air-miles north of Calistoga, west of confluence of St. Helena and Van Ness Creeks, approximately 0.7 air-mile south of the Lake County Line; on slope below State Hwy 29. 475 Comment
  JEPS107245  Lupinus nanus Jake Ruygt 1980-3-30 821 a Napa St.Helena High School 70 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
  UC81976  Lupinus nanus C. F. Baker 1903-4-19 1990 Napa Calistoga Comment
  JEPS85043  Lupinus nanus Larry Heckard, Mary Ashton 1969-5-3 2191 Napa 7 mi ne of Napa (Mead Ranch, off Atlas Peak Road); Mead Ranch 457 Comment
  OBI17959  Lupinus nanus Lewis S. Rose 1964-4-2 64014 Napa St. Helena 76 Comment
  OBI3242  Lupinus nanus R. L. Hoover 1968-4-20 43 Napa On Howell Mt Rd, 2.6 mi NE of State Rte 29/128, on W side of rd just below curve Comment
  UC126969  Lupinus nanus Willis L. Jepson 1893-4-26 Napa St. Helena , St. Helena (Napa River Basin) Comment
  JEPS126089  Lupinus pachylobus Jake Ruygt 1995-6-3 3485 Napa Mount St. Helena, 100 yards from Highway 29 summit. Detert Reservoir 7.5' Qua. Comment
  CAS-BOT-BC202230  Lupinus sericatus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6666 Napa 3 mi. N. of Pacific Union College (Howell Mt.) on road to Aetna Springs Comment
  RSA672427  Lupinus sericatus Lyman Benson 1935-5-19 6656 Napa Mount St. Helena 915 Comment
  SEINET11790127  Luzula comosa C. W. Sharsmith 1935-1 s.n. Napa no further locality Comment
  UCD167086  Luzula comosa var. comosa Jake Ruygt 2010-4-9 5495 Napa Moore Creek Canyon about 0.1 miles north of parking area. 243 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
  JEPS45953  Lythrum hyssopifolia Willis L. Jepson 1893-6-26 14091 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  JEPS45959  Lythrum hyssopifolia Willis L. Jepson 1893-9-24 14085 Napa Napa River Basin, Howell Mt., Angwin's Meadows Angwin's Meadows; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CAS-BOT-BC342615  Madia anomala R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6671 Napa 6 mi. NE. of Pacific College (Howell Mt.) on road to Aetna Springs Comment
  CAS-BOT-BC343831  Madia elegans Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC343835  Madia elegans John Thomas Howell 1929-10-26 4534 Napa 1 mile nw. of Calistoga Comment
  UCD161280  Madia gracilis Jake Ruygt 2000-5-10 4245 -b Napa north Pope Valley, 0.4 miles from Pope Creek. (Coordinates estimated by label maker at UC Davis). 207 Comment
  UCD19340  Madia gracilis M. A. Bibbo; E. Dean 2001-7-6 33 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
  UCD20728  Madia gracilis Ellen Dean; w/ Mark Bibbo 2002-6-17 1106 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
  CAS-BOT-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  UCD135663  Madia gracilis Bruce G. Baldwin 1986-4-28 601 Napa 3.3 miles west of junction with Lower Chilies Valley Road along California State Highway 128. Comment
  POM263489  Madia nutans J. C. Roos 1939-4-16 258 Napa Angwin. Comment
  SBBG92575  Madia nutans B. G. Baldwin 1987-4-26 652 Napa Las Posadas St Forest (Howell Mtn) immediately N of dirt Rd leading E of Las Posadas Fire Stn, less than 0.1 mi E of Stn Comment
  CAS-BOT-BC345049  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  CAS-BOT-BC345047  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  POM56203  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa. Comment
  UCD63150  Malacothrix clevelandii Jake Ruygt 2005-6-1 4885 Napa Knoxville Wildlife Area; Blue Ridge, 1 mile N of Mays Flat. 719 Comment
  CAS-BOT-BC347518  Malacothrix floccifera Alice Eastwood; John Thomas Howell 1939-6-11 7423 Napa Hood Mt. Range sw. of Oakville Comment
  JEPS106899  Malacothrix floccifera Jake Ruygt 1979-5-24 633 Napa 2.1 mile east of Silverado Trail on HWY 128 106 Comment
  UC33286  Malacothrix floccifera Edw. L. Greene July, 1891 Napa St. Helena Comment
  JEPS36780  Malacothrix floccifera W. L. Jepson 1896-6-2 Napa Napa Valley. Comment
  POM216233  Malacothrix floccifera D. D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs. Comment
  JEPS122718  Malva nicaeensis Jake Ruygt 1977-5-10 220 Napa Southwest corner of Suscol Avenue and Trancas Street. Quad: Napa Comment
  UCD73411  Marah fabacea 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
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  POM339533  Marah fabacea F. R. Fosberg 1967-4-1 48412 Napa Hills just south of Lake Berryessa Comment
  RSA10654  Marah oregana C. B. Wolf 1928-5-3 1835 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  JEPS129146  Marrubium vulgare Jake Ruygt 1978-5-4 287 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. Comment
  JEPS103972  Marsilea vestita subsp. vestita Jake Ruygt 1998-6-13 4023 Napa Milliken Creek south of Foss Valley. 405 Comment
  CAS-BOT-BC271154  Melica Peter H. Raven 1964-5-9 19045 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  JEPS122953  Melica californica Jake Ruygt 1995-4-17 3429 Napa End of Niebaum Road, Bear Canyon. Quad: Rutherford. Comment
  SACT001483  Melica californica John Willoughby 1977-4-20 Napa Near latitude of Mount Vaca about 500 feet below ridge, chaparral, south-facing slope. 609.6 Comment
  UCD159944  Melica californica 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
  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
  UCD36944  Melica californica Beecher Crampton 1956-5-25 3465 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD87208  Melica californica J. Street 1950-1 s.n. Napa 4 mi. E of Rutherford. Comment
  SEINET197652 Image available Melica geyeri W. S. Boyle 1942-4-25 1062 Napa Along the Silvarado Trail Road 7 miles south of Calistoga Comment
  UC187217  Melica geyeri Joseph P. Tracy 1902-5-15 1468 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 396 Comment
  CAS-BOT-BC264217  Melica torreyana Peter H. Raven 1964-5-9 19074 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC264219  Melica torreyana Carl B. Wolf 1928-5-3 1812 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UC1103165  Melica torreyana J. P. Tracy 1902-5-22 1628 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 365 Comment
  UCD112236  Melica torreyana Christopher Mallek 2008-5-12 AS2- 16 Napa Aetna Springs. 668 Comment
  UCD89214  Melica torreyana E. Wilson 1932-5-1 s.n. Napa Traffic Officer's Country Club. 274 Comment
Read comments
May 1 2014
  SEINET10599685  Melica torreyana David D. Keck 1931-4-2 Keck 1034 Napa Wooden valley road, east side of Napa Range, 8 miles from Napa. Comment
  UCD73499  Melissa officinalis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CHSC102250  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 134 Comment
  JEPS112574  Mentha pulegium Jake Ruygt 1979-7-12 747 Napa 1.1 miles NE of Monticello Rd. on HWY 128 274 Comment
  JEPS112575  Mentha pulegium Jake Ruygt 1969-12-31 420 Napa Napa River north of Trancas St. 4 Comment
  UCD102804  Micranthes californica H. H. Dickinson 1950-4-1 16 Napa Putah Canyon, near Monticello. Comment
  JEPS106898  Micropus amphibolus Jake Ruygt 1991-5-18 2675 b Napa Fawn Lake, Friesen's Lakes, Angwin 597 Comment
  CAS-BOT-BC348542  Micropus californicus var. californicus John H. Thomas 1955-5-21 5166 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  CAS-BOT-BC348543  Micropus californicus var. californicus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6656 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  UCD18059  Micropus californicus var. californicus Ellen Dean; with Plant Biology 102 class 2000-4-22 614 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  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
  JEPS36151  Microseris douglasii subsp. douglasii W. L. Jepson 1893-5 Napa Howell Mt. Comment
  CAS-BOT-BC349102  Microseris douglasii subsp. tenella John Thomas Howell 1931-4-19 6449 A Napa Conn Valley Comment
  CAS-BOT-BC349185  Microseris elegans John Thomas Howell 1931-4-4 6170 Napa Napa Valley at Myrtledale Hot Springs Comment
  UCD63151  Microseris sylvatica Jake Ruygt 1998-4-27 3936 Napa 1/2 mile south of Knoxville Rd, east of Berryessa-Knox. Rd. 426 Comment
  JEPS101494  Mimulus angustatus Dean W. Taylor 1998-6-3 16453 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  SEINET200724  Mimulus angustatus J. P. Tracy 1902-5-21 1610 Napa Howell Mt head of Moore's Cr 3-4 mi E of Angwin's; La Jota Plateau 518 Comment
  JEPS11430  Mimulus arvensis Willis L. Jepson 1893-4-25 11 m Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, Hoods Peak Range Comment
  UCD160390  Mimulus aurantiacus Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  UCD48234  Mimulus aurantiacus J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 14 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD49285  Mimulus aurantiacus A. Collier; D. Caterson and S. Kenady 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off N side of road 10 m. 350 Comment
  JEPS41084  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9096 Napa about 3 air mi s Knoxville (in canyon just sw of waterfall of Zim Zim Creek, leading to headwaters of Nevada Creek) 396 Comment
  RSA60354  Mimulus aurantiacus var. aurantiacus G. R. Campbell 1948-6-18 657 Napa 10 miles south of Montecello Comment
  JEPS110606  Mimulus douglasii Jake Ruygt 1982-3-2 1112 Napa north of HWY 12 near Huichica Creek 106 Comment
  UCD21541  Mimulus douglasii B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 7 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  JEPS110584  Mimulus inodorus Jake Ruygt 1979-6-14 697 Napa north of PG&E substation, Tulocay, on Suscol Hill 24 Comment
  JEPS110585  Mimulus inodorus Jake Ruygt 1992-5-15 2966 Napa Wild Horse Valley Ranch in a narrow vale E of Johnson's Meadow 432 Comment
  JEPS110612  Mimulus inodorus Jake Ruygt 2005-5-25 4865 Napa Munson Ranch, E end of Circle Oaks, Ridgecrest Drive 438 Comment
  UCD20376  Mimulus kelloggii K. Esau 1933-4-14 s. n. Napa Napa County, Calistoga, near petrified forest. Comment
  RSA309393  Mimulus latidens W. L. Jepson 1893-4-27 31 Napa Lower Napa Valley, Napa River Basin. Comment
  UCD122756  Mimulus layneae S. E. Schoenig 1998-6-3 98- 21 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. 655 Comment
  POM311171  Mimulus layneae Milo S. Baker 1947-7-7 11849 Napa Along wood road leading southerly from Mt. St. Helena Inn ca 1.5 mi. 3000 ft at end of Rd. 915 Comment
  JEPS11437  Mimulus microphyllus W. L. Jepson 1921-5-6 9173 Napa Yountville 30 Comment
  JEPS11441  Mimulus microphyllus Willis L. Jepson 1893-4-28 9 m Napa Wooden Valley grade Napa River Basin, Napa range Comment
  JEPS85027  Mimulus microphyllus Larry Heckard, Mary Ashton 1969-5-3 2212 Napa ca. 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd., above and w of meadow) 510 Comment
  UCD122649  Mimulus microphyllus Richard W. Cleveland 1951-4-8 16 Napa on road from Monticello to Napa, 8 miles east of Napa. Comment
  JEPS11347  Mimulus nasutus Willis L. Jepson 1893-5-1 5 m Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS11360  Mimulus nasutus W. L. Jepson 1921-5-6 9172 Napa Yountville 30 Comment
  UC1778536  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters W of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine;lat corrected from 35 426 Comment
  JEPS110595  Mimulus pilosus Jake Ruygt 1998-8-29 4110 Napa Berryessa-Knoville Road, Eticuera Creek 268 Comment
  JEPS110594  Mimulus pulsiferae Jake Ruygt 1992-5-6 2946 Napa west of Mitten Lake, Wild Horse Valley 420 Comment
  UC1778557 Image available Mimulus pulsiferae S. E. Schoenig 1998-6-5 98 -24 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  UC1301217  Minuartia californica Helen K. Sharsmith 1963-3-17 5225 Napa Mt. Atlas San Francisco Bay Region (s side) 609 Comment
  UCD159789  Minuartia californica James A. Neilson Jr. 1975-4-13 3151 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  RSA195382  Minuartia californica Gilbert Muth 1967-4-16 640 Napa Snell Valley. Comment
  SFV8436  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 miles east of Middletown. 305 Comment
  CAS-BOT-BC388753  Minuartia douglasii Carl B. Wolf 1928-5-3 1791 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS106746  Minuartia douglasii Jake Ruygt 1979-5-24 631 Napa 1 mile east of Silverado Trail on HWY 128 67 Comment
  JEPS106748  Minuartia douglasii Jake Ruygt 1981-4-12 971 Napa Three Peaks 670 Comment
  POM181329  Minuartia douglasii J. T. Howell 1931-4-19 6458 Napa Conn Valley. 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
  UCD160645  Minuartia douglasii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8732 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD168536  Minuartia douglasii 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
  CAS-BOT-BC388761  Minuartia douglasii R. C. Barneby 1954-4-30 11231 Napa Conn Valley, near the slipway 91 Comment
  CAS-BOT-BC220618  Monardella villosa Peter H. Raven 1951-6-10 2930 Napa Crater Region e. of Palisades 762 Comment
  UC25539  Monardella villosa subsp. villosa Edw. L. Greene July 1891 Napa Comment
  CAS-BOT-BC220691  Monardella viridis John Thomas Howell 1930-7-13 5360 Napa On the edge of the Crater Country Comment
  CAS-BOT-BC220695  Monardella viridis John Thomas Howell 1937-7-4 13060 Napa Wooden Valley Grade Comment
  UC1995310  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon Napa Range Comment
  UCD20755  Monardella viridis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 104 Napa McLaughlin UC Reserve. Just S of the reserve on Adam's Ridge Rd. 1.6 road miles E of the jct with Devilhead Rd. 640 Comment
  UCD73435  Monardella viridis Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS55471  Monardella viridis subsp. viridis Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  UC195823  Monolopia major C. F. Sonne Apr 1888 Napa field near Napa Junction Comment
  JEPS43262  Montia fontana Willis L. Jepson 1893-4-26 Napa Napa River Basin, Rutherford Rutherford; Napa River Basin, Rutherford Comment
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  UCD145104  Myriophyllum spicatum Tim Allen 2001-7-12 110326 7 Napa Lake Berryessa, close to 4290 Knoxville Rd, Napa. Comment
  JEPS129124  Najas minor Jake Ruygt 2010-8-14 5722 Napa NW shore of Lake Berryessa; Barton Hill. Walter Springs 7.5' Quad. Comment
  CAS-BOT-BC259761  Nassella cernua Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5332 Napa Pope Creek E of Samuels Springs 91 Comment
  CAS-BOT-BC259963  Nassella lepida John H. Thomas 1955-5-21 5105 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS85048  Nassella pulchra Larry Heckard and Mary Ashton 1969-5-3 2219 Napa 7 mi ne Napa (off the Atlas Peak Rd.; Mead Ranch; above and w of the north meadow); Mead Ranche 510 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
  UC70997  Nassella pulchra Joseph Burtt Davy Apr. 1902 Napa St. Helena Comment
  UCD48420  Nassella pulchra M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 14 Napa Quail Ridge UC Reserve, northern tip of peninsula just north of power lines in open grassy saddle. 274 Comment
  CAS-BOT-BC60337  Nasturtium officinale Doris K. Kildale 1928-5-8 5053 Napa 0.5 mile from Napa-Solano county line. On road to Vacaville. Comment
  POM215775  Navarretia cotulifolia D. D. Keck 1933-5-29 2350 Napa Just south of Pope Creek Bridge, south of Walter Springs Comment
  UCD167174  Navarretia divaricata subsp. vividior Jake Ruygt 1986-5-24 1788 Napa Table Mountain. 731 Comment
  JEPS46278  Navarretia heterodoxa W. L. Jepson 1942-8-4 20731 Napa Adam-and-Eve Ridge Howell Mt. Comment
  JEPS70316  Navarretia heterodoxa Willis L. Jepson 1901-8-6 1731 Napa Howell Mt. Napa River Basin Comment
  JEPS16710  Navarretia intertexta Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4126 Napa 5.25 mi n Calistoga (along road to Middletown (State Highway 29)) 411 Comment
  JEPS70335  Navarretia intertexta Willis L. Jepson 1903-9-7 2351 Napa above St. Helena Reservoir (near summit w side of valley, in York Creek Canyon); Napa River Basin, St. Helena, York Creek Canyon Comment
  UC1195665  Navarretia jepsonii A. R. Kruckeberg 1947-6-15 1492 Napa 0.7 mi w Knoxville (on Knoxville-Lower Lake road) Comment
  JEPS112554  Navarretia mellita Jake Ruygt 1982-7-17 1374 Napa Deer Park Rd. at Four Corners 414 Comment
  POM64976  Navarretia mellita Katherine Brandegee 1910-7-26 s.n. Napa Pope Valley Comment
  UCD167188  Navarretia mellita Jake Ruygt 2005-6-1 4879 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile north of Mays Flat. 411 Comment
  SEINET14156388  Navarretia mellita K. Brandegee 1910-7-26 s. n. Napa Pope Valley Comment
  UCD167189  Navarretia mellita Jake Ruygt 2010-6-10 5607 x Napa About 1/2 mile north of Mays Flat on top of Blue Ridge. 737 Comment
  UCD167445  Navarretia pubescens James A. Neilson Jr. 1979-5-25 3973 Napa Manhattan Mine area, 1 mile northwest of Knoxville. (Manhattan Mine is now known as Homestake McLaughlin Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA73123  Navarretia pubescens M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  UCD37322  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Napa County, Vaca Mountains, Markley Canyon, along State Highway 128. Comment
  JEPS70447  Navarretia squarrosa W. L. Jepson 1893-6-26 20949 Napa Howell Mt. Napa Range Comment
  JEPS70465  Navarretia squarrosa Willis L. Jepson 1903-9-7 2353 Napa w of St. Helena (above St. Helena Reservoir); Napa River Basin, York Creek Comment
  UCD167200  Navarretia squarrosa Jake Ruygt 1987-7-11 2066 b Napa 0.2 miles west of Mt. Millhouse Camp on Highway 29. 487 Comment
  CAS-BOT-BC232736  Navarretia subuligera John Thomas Howell 1940-5-19 15462 Napa Upper St. Helena Creek Comment
  UCD167202  Navarretia tagetina Jake Ruygt 2002-6-10 4434 Napa End of Soda Canyon Road, north end of Foss Valley. 445 Comment
  JEPS22750  Nemacladus capillaris Francia Chisaki 1957-5-30 971 Napa between Chiles Valley and Monticello (by Soda Creek); Soda Creek Comment
  UCD75835  Nemacladus capillaris Jake Ruygt 2005-6-1 4895 Napa Blue Ridge, about 1 mile north of Mays Flat. 396 Comment
  RSA292975  Nemacladus capillaris Reino Alava 1957-5-30 1007 Napa About one half mile toward Monticello from junction of the road to Monticello and State Highway 128. Comment
  SBBG29777  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa 4 mi N of Knoxville Mines Comment
  JEPS41066  Nemacladus montanus Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9104 Napa about 1 mi n headwaters of Zim Zim Creek (along Devilhead Road) 493 Comment
  JEPS5480  Nemacladus montanus M. S. Jussel 1901-6-1 Napa Napa Comment
  SEINET10873472  Nemacladus montanus Jussell 1920-5-4 JUSSELL s.n. Napa Napa Comment
  UCD126389  Nemacladus montanus Herbert L. Mason 1935-5-30 s.n. Napa 4 miles north of Knoxville Mines. Comment
  HSC10925  Nemophila heterophylla Greg Bos 1963-3-3 26 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  RSA75813  Nemophila heterophylla Lincoln Constance 1938-4-22 2134 Napa Above Dry Creek 2 miles west of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  UC24167  Nemophila heterophylla H. P. Chandler 1900-5-7 630 Napa Rutherford Comment
  UC880874  Nemophila heterophylla Lewis S. Rose 1939-4-16 39087 Napa 10 mi ne Napa (Wooden Valley); ne of Napa, Wooden Valley Comment
  SEINET5730453 Image available Nemophila menziesii Stephen L. Clement 1973-1 25- 4 -8 Napa 11.6 miles south of Pope Valley, Napa County.; Pope Valley Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  SEINET3156495  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  JEPS2664 Image available Nemophila venosa Mrs. L. A. R. Peckinpah 1898-3-11 Napa near (e of) Yountville; foothills of Napa Range; Napa Range, near Yountville Comment
  JEPS122702  Nerium oleander Jake Ruygt 2002-10-8 4463 Napa Berryessa-Knoxville Road at the outflow of Smittle Creek in the lake. Quad: Chiles Valley. 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
  JEPS12274  Nicotiana acuminata var. multiflora W. L. Jepson 1937-7-16 18449 Napa about 1 mi above St. Helena Sanitarium (lower slope of Howell Mt); Napa Range, Howell Mt. Comment
  CHSC102298  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 Winters. 437 Comment
  UCD19932  Nicotiana quadrivalvis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 790 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UC419774  Nicotiana quadrivalvis Mrs. H. P. Bracelin 1930-10-19 112 Napa near Conn Creek entrance (Sage Canyon); Sage Canyon Comment
  UCD148741  Notholithocarpus densiflorus Jake Ruygt 2002-9-6 4456 Napa Napa County, Angwin; Summit Lake Drive about 1 mile north of White Cottage Rd. 832 Comment
  JEPS113971  Odontostomum hartwegii Jake Ruygt 1992-5-25 3003 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  JEPS120434  Oenothera glazioviana Jake Ruygt 2009-7-4 5457 Napa Silverado trail north of Pope Street. Comment
  UCD132729  Olea europaea Ramona Robison 2012-4-26 s.n. Napa Bale Gristmill State Historic Park, Near parking area and around historic mill. 121 Comment
  UCD167255  Orobanche bulbosa Jake Ruygt 1987-5-9 1978 Napa 3.9 miles east of Atlas Peak Road on Monticello Road. 396 Comment
  UCD167257  Orobanche fasciculata Jake Ruygt 1994-4-26 3358 Napa Ridge in Pope Valley (Juliana Vineyard); north of Barnett Road. 256 Comment
  JEPS110567  Orobanche valida subsp. howellii Jake Ruygt 1986-6-14 1823 Napa Craters, canyon at head of Table Rock 707 Comment
  CAS-BOT-BC238389  Orthocarpus C. F. B. 1903-5-8 2965 Napa Knoxville Comment
  RSA293054  Orthocarpus faucibarbatus Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 728 Napa 6 miles north of S. Helena on the State Hwy 128. Comment
  RSA292970  Orthocarpus lithospermoides Reino Alava 1957-5-30 1011 Napa About 0.7 mile west of the Chiles Valley School. Comment
  POM15660  Orthocarpus lithospermoides var. bicolor C. F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  CDA4676  Oxalis rubra W. O. McCartney 1966-5-12 49 Napa Monticello Road, 3 miles north of Vicky Road, Napa. 0 Comment
  CAS-BOT-BC316824  Packera clevelandii Harvey Monroe Hall 1923-10-14 11943 Napa 8 miles n. of Pope Valley. Along a small stream. Comment
  UC87211  Packera clevelandii Katharine Brandegee 1910-7-2 Napa near Aetna Springs Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  SD52970  Packera eurycephala Peter H. Raven 1962-5-31 17919 Napa by stream in serpentine on Lower Lake- Knoxville road, 1.9 miles south of Lake County line. Comment
  UCD134774  Packera eurycephala K. Esau; E. Hyde 1936-5-14 s.n. Napa Napa Valley. Comment
  UC1234611  Packera eurycephala var. eurycephala Peter H. Raven 1962-5-31 17919 Napa 1.9 mi s Lake County line (on Lower Lake-Knoxville road) Comment
  CAS-BOT-BC316937  Packera greenei R. C. Bacigalupi; R. S. Ferris; I. L. Wiggins 1933-6-2 6683 Napa Butt's Canyon, 10 mi. N of Howell, Mtn. Comment
  CAS-BOT-BC316939  Packera greenei Pierson Durbrow 1925-5-19 s.n. Napa Bucks Canyon, north of Aetna Springs Comment
  JEPS89345  Packera greenei Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10806 Napa Butts Canyon Rd. near junction w/ Snell Rd.; North Coast Ranges 204 Comment
  CAS-BOT-BC316944  Packera greenei Mrs. H. C. Cantelow 1934-5-30 550 Napa Mt. St. Helena Comment
  JEPS23636  Packera greenei R. H. Platt 1915-5-1 Napa Capell Canyon Napa Mts. Comment
  SD64424  Packera greenei Darley F. Howe 1966-6-3 4265 Napa 14 miles south of Middletown 305 Comment
  JEPS122965  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-5 1748 Napa NW slope of Mt. George. Quad: Mt. George. Comment
  UCD164816  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  UCD89792  Panicum capillare subsp. hillmanii Beecher Crampton 1969-7-14 8496 Napa Napa, southern area, east of Napa River Bridge. Comment
  JEPS106391  Parvisedum pumilum Jake Ruygt 1977-5-1 201 Napa east end of Westgate Drive, Silverado Country Club 121 Comment
  UC765007  Parvisedum pumilum R. F. Hoover 1941-4-27 4945 Napa Hill near Yountville Comment
  JEPS70594  Paspalum dilatatum R. S. Pearse Napa Napa; Soda Springs Road Comment
  CDA2124  Paspalum urvillei B. E. Eaton 1974-8-27 Napa Heinke Drive, 0.4 mile north of Coombsville Road east of Napa. 0 Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  RSA654127  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  UC27314  Pedicularis densiflora Willis L. Jepson 1893-4-25 Napa trail to Leaux's Cabin; Napa River Basin Comment
  UCD20913  Pellaea andromedifolia V. (Shorty) Boucher 2002-3-27 4 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
  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
  JEPS103983  Pellaea mucronata Jake Ruygt 1979-2-22 432 Napa west face of Mt. George 121 Comment
  JEPS116555  Pellaea mucronata Jake Ruygt 2006-4-18 4992 Napa Bell Canyon, east side of Creek. Saint Helena 7.5' Quad. Comment
  SJSU1365  Penstemon heterophyllus J. W. Tilden 1953-5-24 1037 Napa NE slope Mt St Helena 457 Comment
  RSA92803  Penstemon heterophyllus subsp. heterophyllus Peter H. Raven 1951-6-26 3059 Napa Wooden Valley Grade. 305 Comment
  JEPS110742  Penstemon heterophyllus var. purdyi Jake Ruygt 1989-7-1 2392 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 847 Comment
  UC146236  Penstemon heterophyllus var. purdyi J. P. Tracy 1902-5-16 1486 Napa 3-4 mi e Angwin's (head of Moore's Creek); , Howell Mountain 457 Comment
  CAS-BOT-BC245719  Penstemon newberryi var. sonomensis L. R. Abrams 1928-5-4 12259 Napa Mt. St. Helena trail near Stevenson's monument Comment
  JEPS7217  Penstemon newberryi var. sonomensis E. Ferguson 1920-5-15 354 Napa Silverado Mine , Silverado Mine (Mt. St. Helena) Comment
  LA209709  Penstemon newberryi var. sonomensis Joseph Andorfer Ewan; 1937-5-23 10334 Napa Mount Saint Helena, Summit trail Comment
  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
  UC35617  Pentachaeta exilis Willis L. Jepson 1893-5-8 Napa plateau near La Jota Falls; Napa River Basin Comment
  CAS-BOT-BC71675  Pentagramma triangularis subsp. triangularis Jean Fottrell 1906-7-1 s.n. Napa unspecified Comment
  UC1389983  Perideridia kelloggii T. I. Chuang, L. Constance, and R. Bacigalupi 1967-7-6 6064 Napa on Conn Valley Rd 2.6 mi w Lake Hennessy Comment
  UCD164830  Perideridia oregana Jake Ruygt 2012-6-30 5867 Napa Crystal Flats, west of Putah Creek. 195 Comment
  CAS-BOT-BC413489  Persicaria amphibia Milo S. Baker 1942-8-26 10380 Napa On cross road across Napa Valley S. of Calistoga Comment
  UCD149604  Persicaria lapathifolia Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC419151  Persicaria maculosa Peter H. Raven 1951-6-26 3046 Napa Sarco Creek e. of Napa 60 Comment
  UCD99331  Persicaria orientalis Irving Grover 1955-8-1 s.n. Napa location unknown. Comment
  UCSB61652  Persicaria punctata Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; below spillway on N side of Rt 128, 91 Comment
  UC917309  Petrorhagia dubia R. L. Smith 1948-5-8 Napa 6 mi N of Aetna Springs, Pope Valley Comment
  UCD21495  Petrorhagia dubia Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4397 Napa Quail Ridge Reserve. 246 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
  UCR45092  Phacelia corymbosa 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-BC134011  Phacelia distans John H. Thomas 1955-5-21 5113 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UC1051782  Phacelia imbricata L. Constance and L. R. Heckard 1951-4-15 3371 Napa Silverado Trail 1 mi e St. Helena Comment
  JEPS110864  Phacelia imbricata subsp. imbricata Jake Ruygt 1990-3-10 2445 Napa White Sulphur Springs Rd.; west end 259 Comment
  JEPS110865  Phacelia imbricata subsp. imbricata Jake Ruygt 1977-4-17 190 Napa Oat Hill Mine Rd., .2 mile east of HWY 29 176 Comment
  RSA582241  Phacelia imbricata subsp. imbricata Joseph A. Ewan 1934-4-30 8848 Napa Five miles south of Montebiello, on Steel Canyon Road. Comment
  UCD166689  Phacelia imbricata subsp. imbricata Jake Ruygt 1998-5-16 3966 b Napa Maggies Peak, near Bismark Knob. 594 Comment
  UCSC000588  Phacelia imbricata subsp. imbricata Charisse Bickford 1979-5-14 s.n. Napa about 5 miles west of Winters Winters - Putah Canyon 579 Comment
  UCD166688  Phacelia tanacetifolia Jake Ruygt 1998-5-20 3987 Napa Blue Ridge, +/- 1.5 miles north of Mays Flat. 685 Comment
  POM126107  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  UC187259  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UCD88033  Phalaris aquatica Beecher Crampton 1962-5-16 6428 Napa Aetna Springs. Comment
  UC729981  Phalaris lemmonii Leo F. Koch 1940-4-24 850 Napa field w Cuttings Wharf Comment
  CAS-BOT-BC250851  Phleum pratense Peter H. Raven 1951-6-26 3048 Napa E. of Napa on Monticello Rd. 60 Comment
  JEPS122932  Phleum pratense Jake Ruygt 1986-6-9 1807 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. Quad: Capell Valley. Comment
  JEPS110943  Phlox gracilis Jake Ruygt 1979-3-11 447 Napa Trefethen hillside property NE of Carell Lane 152 Comment
  UC917126  Phlox gracilis D. C. Finfrock 1950-4-2 13 Napa 2 mi from St. Helena (on Pope Valley road) Comment
  JEPS71084  Phlox gracilis W. L. Jepson 1893-4-24 15056 Napa e of St. Helena; Napa River Basin Comment
  UC903161  Phlox gracilis Ethel Crum 1937-4-19 1783 Napa 15 mi ne Napa; Napa Range, Steele Canyon Comment
  UCD162120  Phoradendron californicum Dylan O. Burge 2014-3-15 1498 Napa Mount Saint Helena. 740 Comment
  UC1039601  Phoradendron densum Herbert L. Mason 1926-1-2 2607 Napa Mt. St. Helena, Toll House Canyon Comment
  UCD48243  Phoradendron leucarpum subsp. tomentosum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC McLaughlin Nature Reserve. 650 Comment
  JEPS110811  Phoradendron villosum Jake Ruygt 1979-5-20 614 Napa 1.6 miles north of White Cottage Rd. on Summit Dr. 694 Comment
  UC1198129  Phoradendron villosum Louise Martin 1907-12-20 Napa at head of Moore's Creek Howell Mt. (3 - 4 mi. e. of Angwin's); Northern Coast Ranges, Howell Mt. 365 Comment
  JEPS122937  Phragmites australis Jake Ruygt 1987-10-17 2112 Napa Fagan's Marsh. Quad: Cuttings Wharf. Comment
  UCD149584  Phyla nodiflora 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
  UCD113675  Physocarpus capitatus B. Crampton 1956-5-25 3489 Napa Along creek bank, headwaters of Sarco Creek, Howell Mtns. Comment
  UCD108157  Pickeringia montana Beecher Crampton 1959-11-2 BC- 111 Napa North end of Capell Valley, above Capell Creek. Comment
  RSA176554  Pickeringia montana var. montana Peter H. Raven 1962-5-31 17917 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  CAS-BOT-BC73327  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  RSA10627  Pinus attenuata C. B. Wolf 1928-5-4 1864 Napa Upper slopes of Mount St. Helena Comment
  CAS-BOT-BC73375  Pinus attenuata Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5338 Napa Up a canyon, north side of Pope Creek between Samuels Springs and Walters Springs. 243 Comment
  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
  SEINET9632842 Image available Pinus ponderosa Royal D. Suttkus 1967-6-26 67- 30 -42 Napa Clearly Reserves, 7.2 miles northwest of Pope Valley. Comment
  UCD47758  Pinus sabiniana R. Blenkush 2000-4-22 16 Napa Northern Napa County, Mclaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  JEPS120440  Piperia elongata Jake Ruygt 1978-7-2 377 Napa 3/4 mile west of 29 on Diamond Mtn. Rd. Comment
  JEPS60956  Plagiobothrys bracteatus Joseph P. Tracy May 1903 1843 Napa Calistoga Comment
  RSA170255  Plagiobothrys bracteatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore s Creek, 3 miles east of Angwin s 518 Comment
  UC1158107  Plagiobothrys bracteatus Joseph P. Tracy 1950-5-23 18675 Napa head of creek 3 mi e Angwin's; Howell Mountain, La Jota Plateau, Moore's Creek 518 Comment
  JEPS60937 Image available Plagiobothrys bracteatus W. L. Jepson 1897-5-2 21170 Napa near Calistoga; Napa Valley Comment
  JEPS60941  Plagiobothrys bracteatus Willis L. Jepson 1893-4-25 21167 Napa sw St. Helena; Napa River Basin, Caux's Knob Comment
  SD58506  Plagiobothrys cognatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore's Creek. 518 Comment
  UCD164856  Plagiobothrys fulvus var. campestris Jake Ruygt 2012-4-21 5830 Napa Crystal Flats, west of Putah Creek. 216 Comment
  JEPS122675  Plagiobothrys hystriculus Jake Ruygt 1998-5-20 3981 Napa 4.7 miles? north of first bridge on Berryessa-Knoxville Road. Quad: Knoxville. Comment
  JEPS106763  Plagiobothrys nothofulvus Jake Ruygt 1984-3-31 1521 Napa Devil's Canyon 384 Comment
  SEINET10456330  Plagiobothrys nothofulvus John T. Middleton 1936-3-21 Middleton 71 Napa Comment
  CAS-BOT-BC228492  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  CAS-BOT-BC228493  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  JEPS24609  Plagiobothrys strictus Willis L. Jepson 1893-5-9 21183 Napa near Calistoga; Napa River Basin Comment
  JEPS24976  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Region about San Francisco Bay, Napa Valley, Calistoga Hot Springs Region about San Francisco Bay, Napa Valley, Calistoga Hot S 91 Comment
  UCD164837  Plagiobothrys tener var. subglaber Jake Ruygt 2012-4-21 5841 Napa Spanish Valley, southeast. 225 Comment
  UCD74383  Plagiobothrys undulatus Jake Ruygt 1991-8-10 2828 Napa Fawn Lake, Friesen's Lakes, Angwin. 582 Comment
  JEPS127854  Plantago erecta Adam C. Schneider with Dick O'Donnell 2013-5-26 236 Napa Just west of intersection between Snell Valley Road, Stagecoach Canyon Road, and Spanish Valley Trail. Comment
  POM182688  Plantago erecta D. D. Keck 1931-4-2 1010 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  UCD148811  Plantago erecta Ellen Dean; Diana Hickson 2014-4-29 8118 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  RSA278555  Plantago erecta subsp. erecta T. C. Emmel 1965-5-15 44 Napa 5 miles S of jct of Knoxville Devilhead Rd and Knoxville Berryessa Rd. Comment
  CAS-BOT-BC91870  Platystemon californicus John Thomas Howell 1926-3-20 1691 Napa Near Calistoga. Comment
  UC186875  Platystemon californicus C. F. Sonne April 1895 Napa Napa Junction Comment
  UC1239599  Plectritis brachystemon Joseph P. Tracy 1933-6-2 12455 Napa 3-4 mi e of Angwin's (at Head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  HSC21697  Plectritis ciliosa Greg Bos 1963-3-30 56 Napa 1 mi. S of Middletown on Butts Canyon Rd. 335 Comment
  UC917296  Plectritis ciliosa subsp. ciliosa J. D. Skoss 1948-4-1 1 Napa 14 mi w of Winters (Putah Canyon); Putah Canyon Comment
  UCD117933  Plectritis congesta subsp. brachystemon Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of the fire station along undeveloped road. 519 Comment
  UCD49297  Plectritis congesta subsp. brachystemon Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd. 10 ft. from creek bed. 182 Comment
  JEPS110897  Plectritis macrocera Jake Ruygt 1999-5-1 4142 Napa Gunn ranch, E side of Lake Berryessa 146 Comment
  OBI8696  Plectritis magna Bacigalupi & Dempster, Dempster 1954-5-10 4444 Napa Conn Cyn Reservoir Comment
  CAS-BOT-BC260958  Pleuropogon californicus var. californicus Peter H. Raven 1957-5-5 10748 Napa Near hot springs, Calistoga 91 Comment
  CAS-BOT-BC246685  Poa howellii Beecher Crampton 1956-5-25 3461 Napa East slope of Wragg Canyon, Vaca Mtns. Comment
  UCD73397  Poa howellii Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UCD91552  Poa napensis Beecher Crampton 1965-5-13 7338 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area. Comment
  JEPS122911  Poa pratensis Jake Ruygt 2002-5-18 4422 Napa Missimer/Snell Valley Wildflower Preserve. Quad: Aetna Springs. Comment
  UCD91866  Poa pratensis Beecher Crampton 1953-6-2 1435 Napa along Hwy. 53, 8 miles south of Middletown. Comment
  SACT001995  Poa scabrella M. Wiesendanger 1927-5-4 Napa Comment
  UCD17976  Poa secunda Ellen Dean; with Plant Biology 102 class 2001-4-14 701 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
  JEPS122923  Poa secunda subsp. secunda Jake Ruygt 1983-4-2 1401 Napa End of Green Valley Road. Quad: Mt. George. 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
  UCD91662  Poa secunda subsp. secunda Peter Kamb; Francia Chisaki 1950-4-22 1752 Napa W side of Wooden Valley on California Hwy 37. 304 Comment
  JEPS110823  Pogogyne douglasii Jake Ruygt 1994-6-7 3399 Napa Calistoga Airport 100 Comment
  JEPS62444  Pogogyne douglasii W. L. Jepson 1896-6-2 14902 Napa St. Helena Comment
  UC1988909  Pogogyne douglasii John Thomas Howell 1929-5-30 4278 Napa 3 miles from Pope Valley on road to Pope Creek Canyon Comment
  RSA424574  Pogogyne douglasii E. S. Spalding 1924-7-7 s.n. Napa Near Calistoga. Comment
  UCD38573  Pogogyne serpylloides Beecher Crampton 1956-5-25 3476 Napa Southeast Capell Valley. Comment
  RSA0036083  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UC1537006  Polygala californica Gordon H. True Jr. 1937-6-21 742 Napa near Lokoya Lodge 365 Comment
  UCR30826  Polygala californica John C. Roos 1939-4-18 313 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  UCSB11831  Polygala californica Haller, John 1961-6-18 Napa Las Posadas State Forest, 1.5 mi S of Angwin on Howell Mountain Plateau 518 Comment
  JEPS51314  Polygonum aviculare subsp. aviculare Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC413935  Polygonum aviculare subsp. aviculare Peter H. Raven 1951-9-9 3893 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  CAS-BOT-BC109157  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  JEPS50580  Polygonum bolanderi John T. Howell 1926-10-3 2213 Napa about 2 mi from Petrified Forest (between there and Calistoga) Comment
  JEPS50582  Polygonum bolanderi Willis L. Jepson 1893-9-25 14782 Napa Lone Tree Farm Napa River Basin, Sunset Hills (edge of hills) Comment
  POM215137  Polygonum bolanderi D. D. Keck 1933-11-10 2721 Napa 1 mile N of Yountville Comment
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  CAS-BOT-BC414387  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley 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
  JEPS50624  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mountain Comment
  RSA26174  Polygonum patulum J. T. Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River. Comment
  CDA15453  Polygonum ramosissimum J. Glazner 1998-7-2 s.n. Napa San Francisco Bay Area; Napa River near mouth of Suscol Creek, ~1.5 mi. NW of Hwy 29/12 intersection. Comment
  OBI10872  Polygonum spergulariiforme Robert F. Hoover 1966-8-23 9920 Napa E side of Mt St Helena Comment
  CAS-BOT-BC71954  Polypodium californicum John H. Thomas 1955-5-21 5122 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC72056  Polypodium calirhiza John Thomas Howell 1926-3-21 1729 Napa St. Helena Creek near Patten's 609 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
  HSC26626  Polypogon interruptus J. P. Smith, J. O. Sawyer 1970-5-17 3776 Napa 3 mi. S of Pope Valley Comment
  CAS-BOT-BC237257  Polypogon monspeliensis Betty H. Johnson 1968-6-8 599 Napa Near Saint Helena River, 6.4 miles SW of Middletown Comment
  CDA34667  Polypogon monspeliensis L. Ahart 2009-10-12 16465 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS103977  Polystichum californicum Jake Ruygt 1992-8-8 3125 b Napa near Lake Marie, Skyline Park 243 Comment
  CAS-BOT-BC158580  Prunus Alice Eastwood 1922-5-5 11295 Napa Mt. St. Helena Comment
  UCD96185  Prunus cerasifera Ellen Dean; with Clare Loughran 2011-5-20 7071 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  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-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
  JEPS110645  Prunus subcordata Jake Ruygt 1990-4-28 2513 Napa Bear Valley 615 Comment
  POM262889  Prunus subcordata J. C. Roos 1939-3-31 307 Napa Angwin. Howell Mtns. 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
  UCD19341  Pseudognaphalium luteoalbum M. A. Bibbo; E. Dean 2001-7-6 34 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
  CAS-BOT-BC356981  Pseudognaphalium luteoalbum Peter H. Raven 1952-5-31 4161 Napa Flood plain of Rector Creek 121 Comment
  JEPS106962  Pseudognaphalium stramineum Jake Ruygt 1997-7-5 3872 Napa east of White Cliff Springs east of Soda Valley. 371 Comment
  UCD161687  Pseudognaphalium stramineum Jake Ruygt 2008-8-16 5367 Napa northeast of Napa Airport, Napa Sanitation ponds. 2 Comment
  UCD161745  Pseudognaphalium stramineum Jake Ruygt 1994-3-29 3343 Napa Jameson Canyon, east of Highway 29 and north of Highway 12. 213 Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  CAS-BOT-BC80153  Pseudotsuga menziesii Peter H. Raven 1951-8-19 3852 Napa near Lokoya 487 Comment
  UCD162095  Pseudotsuga menziesii var. menziesii Dylan O. Burge 2014-3-15 1492 Napa Mount Saint Helena. 750 Comment
  JEPS106886  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1992-6-2 3017 Napa Mitten Lake, Wild Horse Valley Ranch 409 Comment
  CAS-BOT-BC421126  Pterostegia drymarioides Peter H. Raven 1953-4-2 5248 Napa Hills e. of Imola 121 Comment
  UCD49170  Pterostegia drymarioides M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 23 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines along road. 274 Comment
  JEPS58842  Pyrola aphylla W. L. Jepson 1894-7-19 14664 Napa Mt. St. Helena, just at timber line Comment
  UC1199437  Pyrrocoma racemosa var. racemosa Joseph P. Tracy 1939-10-14 16508 Napa Myrtledale Hot Springs Calistoga 121 Comment
  UCD45325  Quercus X chasei J. M. Tucker 1994-10-29 s.n. Napa California, Napa Co., Mt. George, north-ne. side, ca. 400 m. 400 Comment
  POM262790  Quercus X morehus J. C. Roos 1939-4-16 281 Napa Angwin, Howell Mtn. Comment
  UCSB64094  Quercus X townei Tucker, John; Stebbins, G. 1950-11-5 Napa Beside road up Howell Mountain, 5.6 mi. north of St. Helena Comment
  CAS-BOT-BC61807  Quercus agrifolia M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  HSC8088  Quercus agrifolia Greg Bos 1963-3-30 64 Napa 10 mi. SW of Pope Valley on Pope Valley Rd. 366 Comment
  JEPS37367  Quercus agrifolia W. L. Jepson 1907-12-1 2972 Napa Napa Valley; Sanitarium Hill road Comment
  JEPS37708  Quercus agrifolia W. L. Jepson 1895-11-25 Napa St. Helena Comment
  UCD118400  Quercus agrifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat, just south of main meadow. 387 Comment
  JEPS116524  Quercus agrifolia var. agrifolia Jake Ruygt 1979-4-10 496 Napa Silverado Trail and Trancas Avenue. 7.5' Napa Quad. Comment
  UCD45147  Quercus alba Bill Davis 1966-9-26 s.n. Napa Veterans' Home Memorial Grove, Napa Co., Cal. (origin: Fredricksburg) Comment
  JEPS116525  Quercus berberidifolia Jake Ruygt 2002-10-23 4467 b Napa Mount Vaca, south side of peak. Mount Vaca 7.5' Quad. Comment
  SBBG111481  Quercus berberidifolia J. M. Tucker, G. L. Stebbins 1950-11-5 2004 Napa 11.5 mi NW of Monticello, beside rd to Pope Valley Comment
  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
  JEPS84696  Quercus chrysolepis John W. Willoughby 1976-4-12 1378 Napa w side Blue Ridge (near Mount Vaca); Vaca Mountains 792 Comment
  UCD149579  Quercus chrysolepis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD45344  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Capell Creek. 350 Comment
Read comments
Nov 3 2006
  CAS-BOT-BC85938  Quercus douglasii M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles NE Cliff Spring Comment
  JEPS37396  Quercus douglasii Willis L. Jepson 1901-8-6 1724 Napa Howell Mt. grade Napa River Basin Comment
  SFV17780  Quercus douglasii J. M. Tucker 1995-10-14 s. n. Napa Homestead Area of the McCormick Ranch, about 1.1 miles north of Bald Mountain in Sugar Loaf State Park, and roughly 7 miles west of St. Helena. 549 Comment
  UC993146  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD45721  Quercus douglasii J. M. Tucker 1948-9-5 1868 18 Napa South side of Highway 12 (road from Napa to Sononma), ca. 1/4 mile east of the Sonoma-Napa county line, in Napa County, California. Comment
  UCD49044  Quercus douglasii S. Colby; L. Hanson, C. Bosworth, K. Sesser, and G. Belley 2001-4-14 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  CAS-BOT-BC86435  Quercus dumosa John Thomas Howell 1933-8-27 11647 Napa E of Chiles Valley on road to Winters, Napa Range Comment
  CDA11910  Quercus durata G. F. Hrusa, G. L. Stebbins 1994-3-11 11602 Napa North Coast Biodiversity Arena; Rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin. Unusual variation in the leather oaks, approaches Q. berberidifolia Liebm. but individuals very variable as in Q. durata. Q. berberidifolia not seen in area-mostly is at lower elevation. Comment
  JEPS37340  Quercus durata W. L. Jepson 1894-10-13 Napa Upper Conn Valley Comment
  SACT002640  Quercus durata Ira Wiggins, R. Ferris 1933-6-2 Napa 10 miles north of Howell Mount Comment
  SFV17679  Quercus durata J. M. Tucker, G. L. Stebbins, Jr. 1950-11-5 2011 22 Napa Below Conn Valley Dam on hillside across creek from the picnic area. Comment
  UCD14803  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2006 -2 Napa California, Napa Co.; beside road up Howell Mountain, ca. 6 mi. north of St. Helena; Comment
  UCD45947  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  UCD45976  Quercus durata D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. 380 Comment
  UCD45980  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  SBBG111357  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2007 -33 Napa Howell Mtn, N of St Helena Comment
  SBBG111408  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -21 Napa below Conn Valley Dam; across crk from the picnic area Comment
  SBBG25324  Quercus durata var. durata B. Rice 1965-5-15 68 Napa Devilshead Rd, 5 mi N of Cedar Valley 487 Comment
  UCD45897  Quercus durata var. durata J. M. Tucker 1953-10-25 2690 Napa Beside Highway 28, 1.0 mile west of junction of highways 28 and 37, ca. 30 feet from edge of road, on lower side, Capell Canyon, Napa County, California. Comment
  UCD54026  Quercus durata var. durata R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 5 Napa McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  CDA29212  Quercus garryana D. G. Kelch 2009-6-21 9 .449 Napa Near Skyline Park. Comment
  SFV17797  Quercus garryana J. M. Tucker 1950-11-5 2005 5 Napa Yard on outskirts of Angwin on Howell Mountain. Comment
  UCD83398  Quercus garryana Jake Ruygt 1992-7-18 3099 Napa Green Valley Ranch, end of Green Valley Rd. 329 Comment
  UCD46099  Quercus garryana var. garryana J. M. Tucker 1966-4-17 3938 Napa Beside Dry Creek, 0.2 mile west of junction of Trinity (Glen Ellen to Oakville) Road and Mt. Veeder Road, 3.4 miles (by road) southwest of Oakville, Napa County, California. Comment
  CAS-BOT-BC105297  Quercus kelloggii John R. Arnold 1962-7-1 s.n. Napa North Shoulder of Mt. St. Helena Comment
  CAS-BOT-BC105299  Quercus kelloggii Alice Eastwood 1918-5-1 6820 Napa Mt. St. Helena Comment
  JEPS46695  Quercus kelloggii W. L. Jepson 1938-10-1 19070 Napa St. Helena Sanitarium Comment
  JEPS46697  Quercus kelloggii W. L. Jepson 1934-10-11 16899 Napa St. Helena Sanitarium Comment
  UCD46687  Quercus kelloggii Willis L. Jepson 1901-11-17 1752 Napa St. Helena, Napa River Basin. Comment
  UCD46714  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. Helena, 0.4 mile over the north side from the summit of the road (State Highway 29), Napa County, California. Comment
  UCD49046  Quercus kelloggii Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W side of creek bed. 167 Comment
  UCSB19168  Quercus kelloggii Rankine, Jane 1965-4-13 Napa 3 miles west of Pope Valley on the road between Pope Valley and Anqwin Comment
  CAS-BOT-BC62876  Quercus lobata Peter H. Raven 1951-6-24 s.n. Napa Napa-Brown's Valley 152 Comment
  CAS-BOT-BC62881  Quercus lobata John Thomas Howell 1933-8-27 11630 Napa Sage canyon, Napa Range Comment
  CAS-BOT-BC62883  Quercus lobata H. E. McMinn 1922-6-8 205 Napa Pope Creek Canyon Comment
  RSA28534  Quercus lobata E. K. Balls, P. C. Everett 1953-10-15 18677 Napa 5.5 miles south of junction of highways 37 and 28, between Monticello and Napa. 305 Comment
  CDA11911  Quercus wislizeni var. frutescens G. F. Hrusa, G. L. Stebbins 1994-3-11 11609 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  UCD47630  Quercus wislizeni var. frutescens G. F. Hrusa; G. L. Stebbins 1994-5-11 11609 Napa Poorly drained rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin on Howell Mtn. 520 Comment
  UCD17980  Ranunculus aquatilis Ellen Dean; with Plant Biology 102 class 2001-4-14 705 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, in stock pond. 152 Comment
  CAS-BOT-BC379141  Ranunculus aquatilis var. diffusus Peter H. Raven 1951-5-6 2812 Napa Conn Creek 2.5 mi from Rutherford to Dam 49 Comment
  JEPS110892  Ranunculus aquatilis var. hispidulus Jake Ruygt 1982-5-16 1267 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 417 Comment
  JEPS54959  Ranunculus californicus Willis L. Jepson 1893-4-26 Napa Oakville Napa River Basin Comment
  POM182689  Ranunculus californicus D. D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  JEPS120435  Ranunculus californicus Jake Ruygt 2008-4-7 5278 Napa Tubbs Lane, west of Myrtledale Rd. Comment
  UCD95959  Ranunculus californicus David Lawfer 1952-3-15 119 Napa Napa. Comment
  CAS-BOT-BC378486  Ranunculus californicus var. californicus Peter H. Raven 1953-4-2 5238 Napa Hills E of Imola 121 Comment
  JEPS110882  Ranunculus lobbii Jake Ruygt 1996-3-23 3529 Napa Wantrop Wildlife Sanctuary, Pope Valley 280 Comment
  UC136198  Ranunculus lobbii C. F. Baker 1903-4-19 1997 Napa St. Helena Comment
  UC9460  Ranunculus lobbii Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin, upper Napa Valley Comment
  UCD96168  Ranunculus lobbii R. H. Miller 1949-4-6 19 Napa north side of Highway 37, 1/2 mile west of Napa. Comment
  UC1607872  Ranunculus occidentalis C. G. Nast 1936-3-27 54 Napa Berryessa Valley Comment
  UCD96928  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  SBBG20752  Ranunculus occidentalis var. occidentalis H. and M. Dearing 1939-5-3 3266 c Napa near Napa Comment
  SEINET200318  Ranunculus occidentalis var. rattanii J. P. Tracy 1902-5-22 1631 Napa Hills at head of Moore's Creek 3-4 mi E of Angwin's Howell Mtn Northern Coast Ranges 366 Comment
  JEPS55062  Ranunculus orthorhynchus var. bloomeri Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  SBBG28539  Ranunculus orthorhynchus var. orthorhynchus P. H. Raven 1950-4-15 1708 Napa Napa 9 Comment
  UCD18037  Raphanus raphanistrum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 588 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  CAS-BOT-BC427557  Reseda luteola John Thomas Howell 1943-5-11 18067 Napa S. side of Mt. St. Helena Comment
  CDA949  Rhagadiolus stellatus D. G. Kelch 2002-4-1 2 .001 Napa Napa; Redwood Rd., west of town. 0 Comment
  UC1419855  Rhagadiolus stellatus N. Harrison 1976-5-7 1321 Napa Trinity Road near intersection <with> Wall Road Comment
  JEPS58750  Rhododendron occidentale W. L. Jepson 1897-7-13 14672 Napa Butts Canyon, near Napa Co. Comment
  JEPS58755  Rhododendron occidentale W. L. Jepson 1924-4-27 10379 Napa e Mt. St. Helena (along St. Helena Creek); e of Mt. St. Helena, along St. Helena Creek Comment
  SBBG50855  Rhododendron occidentale R. Beaver 1965-5-1 149 Napa 14 mi N of jct of Hwy 121 and 128 Comment
  UCD117985  Rhododendron occidentale D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. 240 Comment
  UCD20692  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 4 Napa Napa County, NE side of Butts Canyon Rd. along SW and NE side of Butts Creek, 250 ft. east of Napa, 20.14 marker. Bulk of population is 330 ft. west of Napa 20.14 marker, continuous to Lake Co. Plants within 20' of water. Comment
  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
  UCD102295  Ribes malvaceum G. Fields 1966-3-18 s.n. Napa 2 miles west of L. Berryessa. Comment
  UCD33890  Ribes malvaceum Beecher Crampton 1975-2-17 9106 Napa Napa County, 1/2 mile west of Monticello Dam. Comment
  JEPS110837  Ribes malvaceum var. malvaceum Jake Ruygt 1990-2-24 2438 Napa Mt. George 268 Comment
  UC1753838 Image available Ribes malvaceum var. malvaceum Annetta M. Carter, Edward Lee 1935-12-1 1017 Napa Wooden Valley Grade E of Napa on road to Monticello. 43.1 mi. from Berkeley. Comment
  UCD102441  Ribes victoris Mary Lou Douglass 1976-4-24 21 Napa 100 yds SW of P.M. 31.37 on Rt 128. 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
  HSC43962  Rigiopappus leptocladus Robert M. Specht 1977-4-11 620 Napa Along drainage of Pocock Creek 500 Comment
  UC165852  Rigiopappus leptocladus J. P. Tracy 1902-5-15 1473 Napa 3 to 4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek 457 Comment
  SBBG3086  Rosa californica J. M. Tucker 1941-9-20 403 Napa mtns between Monticello and Pope Valley Comment
  CAS-BOT-BC148155  Rosa gymnocarpa Peter H. Raven 1952-5-26 4049 Napa Howell Mt. 426 Comment
  JEPS45681  Rosa gymnocarpa W. L. Jepson 1896-2-23 13892 Napa on grade beyond Angwins (e side of mt.); Howell Mt., Pope Valley Grade Comment
  UC126648  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7114 Napa Alta Loma Ranch Howell Mountain 487 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
  SBBG128000  Rumex dentatus L. Ahart 2009-10-27 16492 Napa below the high water line of Lake Berryessa, ca. 50 yards SE of Eticuera Crk, ca. 150 yards S of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  HSC70625  Rupertia physodes J. M. DiTomaso 1980-6-12 1579 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 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
  UCD167161  Sagina apetala Jake Ruygt 2015-3-23 6050 Napa Missimer - Snell Valley Preserve. 178 Comment
  CAS-BOT-BC102890  Salix breweri John Thomas Howell 1961-3-31 36473 Napa near Conn Dam Comment
  CAS-BOT-BC108661  Salix breweri M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC108665  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  JEPS38393  Salix breweri W. L. Jepson 1893-5-5 27 s Napa just beyond St. Helena; Middleton Grade Comment
  RSA181974  Salix breweri W. L. Jepson 1930-10-19 15704 Napa Butts Canyon. Comment
  UC482099  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UCD102771  Salix breweri Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
Read comments
Jul 22 2018
  UCD148846  Salix breweri Ellen Dean; Diana Hickson 2014-4-29 8149 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 462 Comment
  UCD164792  Salix breweri Jake Ruygt 1994-3-5 3406 Napa Hunting Creek. 280 Comment
  UCD170813  Salix eastwoodiae 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. Along drainage leading to Maxwell Creek. 166 Comment
  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
  JEPS38399  Salix laevigata Willis L. Jepson 1893-5-8 20 s Napa beyond Angwin's Howell Mt. Comment
  UCD164806  Salix laevigata Jake Ruygt 1997-4-8 3827 Napa East end of Taplin Road; Heitz Cellars. 109 Comment
  UC5035  Salix lasiandra subsp. lasiandra W. L. Jepson May 1895 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC539357  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, S side of Napa River 85 Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC1356331  Salix lasiolepis Theodore J. Crovello 1964-3-14 384 Napa Trinity Road 8 mi e California Hwy. 12 Comment
  UC507329  Salix lasiolepis Ira L. Wiggins 1932-3-12 5752 Napa 1 mi n Calistoga; North Fork of the Napa River Comment
  CAS-BOT-BC539338  Salix lasiolepis Jake Ruygt 2007-2-18 5118 Napa Moore Creek, Las Posadas State Forest Comment
  CAS-BOT-BC124418  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Chiles Valley, Rutherford to Monticello, 10 miles from Monticello Comment
  POM182720  Salvia columbariae D. D. Keck 1931-4-3 1067 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  RSA785730  Salvia columbariae Carrie A. Herd 1982-5-9 93 Napa Trinity, Dry Creek Road, 0.5 mi. E. of Mt. Veeder Rd. Comment
  UCD15500  Sambucus mexicana Ted Graber 1984-5-12 19 Napa 1 mile West from Conn Dam. Comment
  SEINET3083262 Image available Sambucus nigra subsp. canadensis Royal D. Suttkus 1967-6-26 67- 30 -25 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  UCD19954  Sanicula bipinnata E. A. Dean; Virginia Boucher 2002-2-28 906 Napa Quail Ridge Reserve. Where upper and lower trails meet, just S of powerlines near ridge tip. 274 Comment
  CAS-BOT-BC223274  Sanicula bipinnatifida E. Ruckert 1960-4-29 121 Napa Wall Road, 1/2 mile west from juncture of Dry Creek Road 396 Comment
  SEINET11155924  Sanicula bipinnatifida K. Suhr 1967-3-24 s.n. Napa S shore of Lake Berryessa, Steele Park Resort. Comment
  UCD14928  Sanicula bipinnatifida Jumi Takeda 1977-4-24 39 Napa 6.4 miles southwest of Monticello Dam, beside Highway 128. 182 Comment
  UCSB4638  Sanicula bipinnatifida Keator, Glenn 1959-4-1 Napa About 0.2 miles south of northwest Calistoga city limits on highway 128 Comment
  UCD20825  Sanicula crassicaulis N. Nicola 2001-3-30 041 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD48488  Sanicula crassicaulis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 7 Napa Southwestern end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the east side of South Decker Canyon Rd. south of North Decker Canyon Rd. and north of Cut Off Rd. 152 Comment
  UCD48494  Sanicula crassicaulis Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 5 Napa Quail Ridge Reserve, Decker Canyon, along South Decker Canyon Rd., N of jct with Cut Off Rd., S or jct with North Decker Cayon Rd., W side of road. 152 Comment
  UCD81387  Sanicula crassicaulis M. Wiesendanger 1927-5-4 680 Napa Near Monticello. 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
  UCD17968  Scandix pecten-veneris Ellen Dean; Kate Mawdsley 2001-4-9 687 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
  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
  JEPS121371  Scirpus tuberosus Jake Ruygt 1986-8-23 1909 b Napa Lake Hennessey, near spillway. Comment
  JEPS106749  Scleranthus annuus subsp. annuus Jake Ruygt 1993-5-1 3231 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  CAS-BOT-BC516411  Scoliopus bigelovii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  HSC10894  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  UC1746021  Scribneria bolanderi Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2772 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  OBI9233  Scrophularia californica R. L. Hoover 1968-4-20 52 Napa Howell Mtn Rd, 2.6 mi NE of State Rts 29/128, on E side of rd Comment
  JEPS77936  Scrophularia californica subsp. floribunda Edward Lee 1936-3-15 1791 Napa 2.3 mi by road out of Rutherford (road from Rutherford to Pope Valley); Conn Creek Comment
  JEPS112636  Scutellaria antirrhinoides Jake Ruygt 1986-6-9 1806 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd., Milliken Cn 445 Comment
  JEPS62903 Image available Scutellaria siphocampyloides W. L. Jepson 1938-6-8 18903 Napa Butts Canyon Butts Canyon Comment
  UCD73410  Scutellaria tuberosa Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UC1713659  Scutellaria tuberosa O. H. Kappler 1941-3-3 Napa Las Trancas Comment
  UCD149716  Sedella pumila Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  SFV12213  Sedella pumila W. R. Russell 1967-5-10 s. n. Napa Just north of Soscol House restaurant, about 2 miles south of Napa State Hospital on State Highway 29. Comment
  RSA0074724  Sedum spathulifolium Carrie A. Herd 1982-5-9 101 Napa Chiles-Pope Valley Road, 3.2 mi. from Lake Henessee, N. facing road cut. Comment
  RSA670107  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Hwy 121. Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 Comment
  JEPS106850  Senecio aronicoides Jake Ruygt 1979-4-23 543 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  UCR80866  Senecio clevelandii G. Fred Hrusa 1993-10-3 11425 Napa 2.6 mi SW along Knoxville-Devilhead Rd. from Knoxvllle-Berryessa Rd. 488 Comment
  UCD135756  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa south of road, summit of Oakvillegrade Road. Around 4 miles southwest of Oakville. Comment
  UCD159909  Senecio vulgaris Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  CAS-BOT-BC364597  Senecio vulgaris Peter H. Raven 1954-1-22 6378 Napa 4 miles north of Napa 76 Comment
  UC401313  Sequoia sempervirens C. F. Sonne 1897-4-1 Napa near Napa City Comment
  POM118525  Sidalcea diploscypha Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  HSC16034  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  JEPS77785  Sidalcea diploscypha Douglas W. James Jr. 1973-5-5 91 Napa not far from the 4-H camp pool (Las Posadas State Forest); Las Posadas State Forest 335 Comment
  UC108903  Sidalcea hartwegii E. L. Greene Napa Napa Comment
  JEPS122752  Sidalcea hickmanii subsp. napensis Jake Ruygt 2011-6-9 5800 Napa South side of Mt George, Palmaz Vineyards. Quad: Mt. George. Comment
  UCD167291  Sidalcea hirsuta Jake Ruygt 2007-5-10 5171 Napa G.I. Landfill site, Butts Canyon Road about 3 miles south of Middletown. 335 Comment
  JEPS100817  Sidalcea keckii Dean Wm. Taylor with Mey Akasah 1999-6-3 17221 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 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
  UCD116622  Sidalcea keckii James W. Katberg Jr. 1966-5-11 48 Napa 7 miles southeast of Knoxville, Berryessa Road. Comment
  JEPS67230  Sidalcea malviflora subsp. laciniata Willis L. Jepson 1893-4-26 14076 Napa Vineland Napa River Basin, Napa Valley, Vineland Comment
  UC161021  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  JEPS50940  Silene antirrhina W. L. Jepson 1896-6-2 Napa St. Helena , St. Helena (Napa Valley) Comment
  JEPS106851  Silene californica Jake Ruygt 1981-5-13 1022 Napa .2 miles east of Flosden Rd. on north side American Canyon 164 Comment
  UC161033  Silene californica Joseph P. Tracy 1905-7-5 2208 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  JEPS50967  Silene californica W. L. Jepson 1924-5-8 10414 Napa Pope Creek Pope Creek (Canyon flat) Comment
  JEPS126120  Silene gallica Jake Ruygt 1978-5-1 210 Napa East of east end Westgate Drive, Silverado Country Club. Mount George 7.5' Qua. Comment
  UC796479  Silene gallica Ira L. Wiggins 1949-4-30 12074 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown); ne of Calistoga Comment
  UCD170357  Silene gallica Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 856 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 465 Comment
  CAS-BOT-BC389184  Silene laciniata subsp. californica R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6673 Napa 10 mi. from Pacific Union College on Howell Mt. - Middletown road Comment
  POM118568  Sisyrinchium bellum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD48738  Sisyrinchium bellum S. Murphy; K. Keck and K. Dyer 2002-5-5 17 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines, NE from intersection of West and East roads ca. 20 m. 328 Comment
  UCR47042  Sisyrinchium bellum J. Nevin 1987-4-12 01 Napa Coast Range, Napa. East end of Brown's Valley, 1 mi on Buhman Ave. from Brown's Valley Road 61 Comment
  UCD125728  Sisyrinchium bellum Eric S. Nagy 1990-4-15 001 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  UCD48199  Solanum parishii Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 8 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  CAS-BOT-BC154696  Solanum umbelliferum C. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC26280  Solanum umbelliferum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD127080  Solanum xanti Andreas Stohr 1996-4-21 6 Napa along Road 128 near Cold Canyon Preserve. 180 Comment
  CAS-BOT-BC390291  Spergularia macrotheca var. longistyla Alice Eastwood 1915-6-5 4639 Napa Calistoga Comment
  CAS-BOT-BC390295  Spergularia macrotheca var. longistyla John Thomas Howell 1926-3-27 1759 Napa Myrtledale Hot Springs near Calistoga Comment
  UCD149592  Spergularia rubra Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  JEPS84662  Stachys ajugoides var. rigida John W. Willoughby 1976-5-18 1711 Napa Gates Canyon Vaca Mountains 274 Comment
  SEINET9352740  Stachys albens Unknown 1976-8-8 13 Napa Napa County Comment
  UCD168557  Stachys rigida var. quercetorum Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CAS-BOT-BC386936  Stellaria media Jonathan M. Irvine 1977-4-16 107 Napa along Highway 128, 6.4 miles SSW of Monticello Dam 213 Comment
  UCD159903  Stephanomeria virgata Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC375743  Stephanomeria virgata Peter H. Raven 1951-10-28 3950 Napa 1-3 mi. e. of Chiles [Chiles] Valley 304 Comment
  UCD169855  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along the west side of Capell Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles(air) west of Winters. 133 Comment
  JEPS36826  Stephanomeria virgata subsp. virgata Willis L. Jepson 1893-9-24 Napa Near Angwin's; Napa River Basin, Howell Mt. 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
  CAS-BOT-BC61255  Streptanthus breweri H. M. Hall 1931-5-27 13099 Napa 0.6 mile west of Knoxville. Comment
  UCD115961  Streptanthus breweri Arthur M. Shapiro 1979-5-14 s.n. Napa Butts Canyon, above Snell Valley 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
  JEPS123293  Streptanthus breweri var. breweri David Gowen 2009-6-18 1070 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  UC1492813  Streptanthus breweri var. breweri Freed W. Hoffman 1947-6-18 1048 Napa Conn Dam North Coast Ranges Comment
  UCD164556  Streptanthus glandulosus A. Amezcua 1995-4-29 1 Napa Along cut of Berryessa- Knoxville Road, 200 m northeast of intersection with Hwy 128 (near turtle rock). 250 Comment
  UCR51812  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Coast Range, Conn Valley 183 Comment
  POM197071  Streptanthus glandulosus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  POM225546  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Conn Valley. Comment
  RSA94058  Streptanthus glandulosus R. C. Barneby 1954-4-30 11335 Napa Conn Valley. near the slipway., 300 [ft? m?] Comment
  CAS-BOT-BC87153  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1940-5-19 15453 Napa Upper Saint Helena Creek. Comment
  CAS-BOT-BC87158  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  CAS-BOT-BC87167  Streptanthus glandulosus subsp. glandulosus Peter H. Raven 1953-4-2 5283 Napa Burn east of Tulucay Creek. 426 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
  UC187983  Streptanthus glandulosus subsp. glandulosus Edw. L. Greene 1895-4-1 Napa Dry Creek Comment
  UC917141  Streptanthus glandulosus subsp. glandulosus W. M. Grannell 1950-4-27 1 Napa Putah Canyon 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
  UCSC009035  Streptanthus glandulosus subsp. glandulosus Dylan M. Neubauer 2015-4-26 137 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC87328  Streptanthus hesperidis Robert F. Hoover 1938-6-11 3602 Napa Knoxville Ridge. Comment
  UCD167106  Streptanthus hesperidis Jake Ruygt 2015-6-13 6127 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  JEPS12886  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-6-26 Napa hills e St. Helena; Napa River Basin Comment
  UCD19319  Symphoricarpos mollis M. A. Bibbo; E. Dean 2001-7-6 11 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.8 air miles from jct. with S Decker canyon rd. 20 yards off of the road, up a small dry creek, on N facing slope of drainage. 198 Comment
  JEPS40793  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  JEPS40770  Symphyotrichum subspicatum Willis L. Jepson 1894-11-7 Napa Napa City Napa River Basin Comment
  JEPS104533  Symphyotrichum subulatum Jake Ruygt 1987-10-17 2110 Napa Fagan's Marsh 0 Comment
  OBI72075  Symphyotrichum subulatum var. parviflorum Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Crk in North coast Ranges, T7N R5W. below spillway on N side of Rt 128 91 Comment
  UCD18149  Taeniatherum caput-medusae Jean Shepard; with Plant Biology 102 Class 2000-4-29 205 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
  UCD86121  Taeniatherum caput-medusae Beecher Crampton 1962-5-16 6436 Napa town of Pope Valley. Comment
  JEPS122772  Tamarix parviflora Jake Ruygt 2011-5-7 5772 Napa Pope Canyon Road, Pope Creek, west of arm of Lake Berryessa. Quad: Walter Springs. Comment
  JEPS21536  Tanacetum parthenium W. L. Jepson 1918-6-24 Napa Silverado, an abandoned inn half-way up to the grade to the Tollhouse on Mt. St. Helena Mt. St. Helena Comment
  UCD83866  Taraxia ovata Ellen Dean; Stephen Rae 2010-3-15 5824 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, upper pasture. 198 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
  UC1196169  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1587 Napa along creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 304 Comment
  UCD20027  Thermopsis californica var. californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1211 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  HSC43989  Thermopsis macrophylla Robert M. Specht 1977-4-13 650 Napa 524 Comment
  UC74948  Thermopsis macrophylla var. macrophylla C. F. Baker 1903-5-8 3081 Napa Knoxville Comment
Read comments
May 9 2007
  CAS-BOT-BC66478  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4573 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66492  Thysanocarpus curvipes David D. Keck 1931-4-2 1035 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC66505  Thysanocarpus curvipes John H. Thomas 1955-5-21 5137 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  CAS-BOT-BC66517  Thysanocarpus curvipes Jim Steele 1980-4-11 44 Napa Pope Valley. Cleary Reserve. 0.25 mile from entrance gate. 365 Comment
  UCD19948  Thysanocarpus curvipes Ellen Dean; Virginia Boucher 2002-2-28 897 Napa Quail Ridge Reserve. Along West Rd., 0.9 airline miles NNW of junction of West Rd and Decker Canyon trail. 274 Comment
  CAS-BOT-BC66484  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6098 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  CAS-BOT-BC66486  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6108 Napa 4 miles from Monticello on Wooden Valley Road, Napa Range. 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
  JEPS54175  Thysanocarpus curvipes W. L. Jepson 1923-4-29 9895 Napa St. Helena; Little flat on border of foothills 91 Comment
  SEINET8727857 Image available Thysanocarpus curvipes Laura Zeller 1965-1 33 Napa Ca. 1/2 mile E of Junction of Pope Valley Road and Butts Canyon Road on Butts Canyon Road. Elevation ca. 700 feet. 213 Comment
  UC10996  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa plateau n Wooden Valley grade (Napa River Basin); , n of Wooden Valley grade Comment
  UC11003  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 C Napa hills e St. Helena; e of St. Helena Comment
  UCD74413  Thysanocarpus curvipes Jake Ruygt 1991-5-11 2672 Napa Little Bear Valley near Sugarloaf Mtn. 694 Comment
  RSA0057558  Thysanocarpus curvipes subsp. curvipes David D. Keck 1931-4-2 1036 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  UCD170300  Thysanocarpus radians Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 840 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  JEPS54220  Thysanocarpus radians W. L. Jepson 1900-3-10 534 Napa hills e St. Helena Comment
  JEPS666 Image available Thysanocarpus radians W. L. Jepson 1893-4-28 30 n Napa plateau n Mt. George; Napa River Basin Comment
  UC1083160  Thysanocarpus radians A. E. Borell 1928-4-13 105 Napa six mi ne Calistoga 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
  CHSC10710  Tonella tenella Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 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
  CAS-BOT-BC85171  Torreya californica L. R. Abrams 1928-5-4 12279 Napa Mt. St. Helena toll house Comment
  POM125420  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mount 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
  SEINET265710  Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  UCD135177  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Beside Highway 29, east side of Mt. St. Helena, 1 mile north of summit of road. Comment
  CAS-BOT-BC172957  Toxicodendron diversilobum Alice Eastwood 1918-5-1 6867 Napa Mt. St. Helena Comment
  HSC95661  Toxicodendron diversilobum Jonathon M. Irvine 1977-4-16 111 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam 183 Comment
  JEPS63911  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19477 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  UC2025090  Toxicoscordion fremontii Fayla Schwartz 1990-3-18 115 Napa Napa Co. 1.2 miles south of intersection with Howell Mt. Road on Deer Park Road, between St. Helena and Angwin. Comment
  CAS-BOT-BC220991  Trichostema Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line 316 Comment
  UCD166641  Trichostema lanceolatum Jake Ruygt 1981-7-31 1085 Napa Suscol plain near Kaiser Steel (Rocktram). 1 Comment
  JEPS112638  Trichostema laxum Jake Ruygt 1986-7-2 1854 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 448 Comment
  JEPS112639  Trichostema laxum Jake Ruygt 1979-6-9 687 Napa 23.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 609 Comment
  UC1137621  Trichostema laxum B. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  JEPS112620  Trichostema oblongum Jake Ruygt 1986-6-14 1818 Napa Craters, behind Palisades 719 Comment
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  SEINET10805528 Image available Trichostema ruygtii Jake Ruygt 1992-7-11 Ruygt 3089 Napa Yountville Quad., Mead Ranch, Atlas Peak Rd, S of Foss Valley, open grassy meadow, rocky flat with vernal pools, volcanic, Aiken soil, chaparral. T06N R04W S02 NE 1/4; Z10 564374E 4250635N (NAD 27). 482 Comment
  RSA0004018  Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 482 Comment
  UCD111351  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  UCD83434  Trifolium albopurpureum Jake Ruygt 1983-4-17 1428 Napa Mt. St. Helena. 777 Comment
  UC866752  Trifolium albopurpureum var. dichotomum Lewis S. Rose 1935-4-18 35100 Napa Steel Canyon 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
  JEPS65760  Trifolium bifidum var. bifidum E. K. Crum 1931-4-17 1055 c Napa 1/2 mi n P. O.; Pope Valley Comment
  JEPS106800  Trifolium ciliolatum Jake Ruygt 1995-4-29 3456 Napa Skyline Park, Sugarloaf Peak Trail. 402 Comment
  POM182743  Trifolium ciliolatum D. D. Keck 1931-4-2 1041 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  HSC15112  Trifolium depauperatum J. P. Tracy 1902-5-18 1541 Napa At head of Moore's Creek, 3.4 mi. E of Angwin's 518 Comment
  JEPS106801  Trifolium depauperatum var. depauperatum Jake Ruygt 1978-4-9 273 a Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UC917166  Trifolium depauperatum var. truncatum D. C. Finfrock 1950-4-6 21 Napa 14 mi from Monticello (Mountain meadow); Pope valley Comment
  POM126289  Trifolium depauperatum var. truncatum C. F. Sonne 1887-04 s.n. Napa [Unspecified] Comment
  UC555401  Trifolium depauperatum var. truncatum H. L. Mason 1928-4-13 4335 Napa near spring (Reili School) Comment
  UCD83443  Trifolium depauperatum var. truncatum Jake Ruygt 1982-4-14 1182 Napa Suscol plain, E of Rocktram. 1 Comment
  UCR146185  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa Inner North Coast Ranges, 12 miles east of Rutherford, along Hwy. 128 305 Comment
  SEINET3131839  Trifolium dichotomum L. S. Rose 1935-4-18 35100 Napa Steel Canyon Comment
  UCD48022  Trifolium fucatum M. Ochoa; K. Carpenter, S. Cruz, D. Goldberg, and K. Watts 2000-4-28 21 Napa Napa County, McLaughlin Reserve, north of Knoxvillle-Berryessa Rd., just south of old town of Knoxville, west of Old Knoxville Rd. 426 Comment
  JEPS106813  Trifolium gracilentum var. gracilentum Jake Ruygt 1982-4-7 1174 Napa Suscol Plain between Kaiser Steel and HWY 29 (221) 4 Comment
  JEPS33666  Trifolium gracilentum var. gracilentum John Thomas Howell 1926-3-28 1776 Napa near Calistoga (Myrtledale Hot Springs) Comment
  UCD111240  Trifolium incarnatum David Slade 1982-4-22 37 Napa Pleasant Valley Road 1.2 mi. w. Highway 128, roadside. 30 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
  RSA10698  Trifolium microcephalum Carl B. Wolf 1928-5-3 1789 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD111455  Trifolium microcephalum R. Tofsrud 1951-5-26 s.n. Napa Near Enterprise School. Comment
  UC160905  Trifolium microdon Joseph P. Tracy 1903-5-15 1840 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  POM349632  Trifolium microdon J. T. Howell 1934-3-26 s.n. Napa Calistoga geysers. Comment
  JEPS129046  Trifolium obtusiflorum Jake Ruygt 2016-6-11 6283 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD116971  Trifolium oliganthum Jillian Howard; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  POM126206  Trifolium olivaceum var. olivaceum C. F. Sonne 1888-04 183 Napa Napa Comment
  UCD168552  Trifolium subterraneum Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS4428  Trifolium variegatum var. melananthum Willis L. Jepson 1893-4-27 13706 Napa near Yountville (Napa Valley); Napa River Basin 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
  UCD33552  Trifolium willdenovii Beecher Crampton 1969-10-14 8522 Napa Napa County, 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  OBI12644  Trifolium willdenovii R. L. Hoover 1968-4-20 47 Napa On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd Comment
  UC16735  Trifolium willdenovii Willis L. Jepson 1893-5-1 Napa Knights Valley grade at divide Napa River Basin Comment
  UCD33569  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa Napa County, east slope of Wragg Canyon. Comment
  JEPS106754  Trifolium wormskioldii Jake Ruygt 1982-5-8 1229 Napa north side of American Canyon 85 Comment
  UCD166661  Triglochin scilloides Jake Ruygt 1982-2-11 1096 Napa Suscol plain, east of Hwy 29 (221) Rocktram. 4 Comment
  UC504873  Trillium albidum R. M. Holman 1933-4-12 Napa near Mt. Veeder Mt. Veeder Comment
  UCD20032  Trillium chloropetalum C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-17 1206 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  RSA10656  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1928-5-3 1833 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCD167132  Triodanis biflora Jake Ruygt 2015-5-23 6114 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD170206  Triphysaria eriantha Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 751 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  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
  UC1301205  Triphysaria pusilla Helen K. Sharsmith 1963-4-20 5327 Napa off of Kelly Road 4 mi s Napa; San Francisco Bay Region 45 Comment
  UC673458  Triphysaria pusilla A. E. Borell 1928-4-13 131 Napa ten mi se Petaluma Comment
  CDA11594  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa, S. Larson 1995-4-1 12060 Napa North Coast Biodiversity Arena; Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  JEPS110676  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1996-4-20 3618 Napa Jameson Canyon Vineyards entry road. 57 Comment
  JEPS11167  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1915-4-23 6258 Napa Conn Valley Comment
  JEPS74866  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7511 Napa 4 mi e Pope Valley; e of Pope Valley Comment
  RSA739593  Triphysaria versicolor subsp. faucibarbata John Dittes 2003-4-5 2003 -10 Napa Inner N Coast Range, Napa Valley, 1.6 air miles N by NW of Calistoga City Hall, 0.9 air mile NW of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Raod and Tubbs Lane. 122 Comment
  UC1222441  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1949-4-24 18288 Napa Myrtledale Hot Springs near Calistoga; Myrtledale Hot Springs 152 Comment
  UC194282  Triphysaria versicolor subsp. faucibarbata C. F. Sonne April 1895 Napa Napa Valley Comment
  POM262797  Trisetum canescens J. C. Roos 1939-5-7 297 Napa Angwin, Napa Range Comment
  IRVC12857  Triteleia hyacinthina var. hyacinthina A. French 1967-5-14 34 Napa Highway 29; 3 mi. S of Streblow Drive Comment
  UCD139376  Triteleia laxa A. Amezcua 1995-5-26 24 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  UCD48792  Triteleia laxa A. Collier; D. Caterson and S. Kenady 2002-5-4 15 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines, both N and S of road. 335 Comment
  CAS-BOT-BC526512  Triteleia laxa M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS58051  Triteleia laxa Elizabeth Ferguson 1920-5-15 348 Napa Pope Creek and Howell Mt. Howell Mt., Pope Creek Comment
  RSA378085  Triteleia peduncularis Robert Gustafson, Don Reynolds 1983-6-7 2739 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC1561245  Triteleia peduncularis Barbara Ertter with Annetta Carter 1989-5-28 8515 Napa 2 mi se Lake Co. line (on Berryessa Rd., near Knoxville) 609 Comment
  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-BC527962  Triteleia peduncularis B. Crampton 1957-6-4 4104 Napa Slopes above Capell Creek, north end of Capell Valley Comment
  CAS-BOT-BC527963  Triteleia peduncularis R. F. Hoover 1938-6-8 3541 Napa South Fork of Butts Creek Comment
  SEINET3243502  Triteleia peduncularis Sally Walker 1981-1 H- 8 Napa Beside creek, 9.9 miles south of Middletown along Butts Canyon Road. Comment
  UCD132723  Ulmus minor Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park. Growing near Grist Mill. 106 Comment
  CDA15405  Umbellularia californica G. F. Hrusa 1997-2-3 13618 Napa North Coast Biodiversity Arena; Slopes on SW margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Comment
  JEPS106871  Uropappus lindleyi Jake Ruygt 1982-3-20 1137 Napa Campbell Flat, Mt.St.John 323 Comment
  RSA296863  Vaccinium macrocarpon Leland S. Smith 1936-11-14 2800 Napa 1 mile south of North Columbia, hydraulic digging. 915 Comment
  UCD124633  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. Comment
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  UCD83429  Vicia americana subsp. americana Jake Ruygt 1991-5-11 2655 Napa 1 mi N of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS106543  Vicia americana var. americana Jake Ruygt 1979-5-20 611 Napa 1 mile north of College Ave. on Howell Mtn. Rd. 548 Comment
  POM16867  Vicia sativa C. F. Baker 1903-4-19 1988 Napa Calistoga. Comment
  JEPS66212  Vicia sativa subsp. nigra W. L. Jepson 1938-5-15 18783 Napa Comment
  CHSC25104  Vicia villosa subsp. varia J. E. Beitler 1970-4-19 26 Napa St. Helena. At the base of the dam of lower Spring Mountain Reservoir ca. 75 yds. E. of Spring Mountain Road. Comment