Search Results — 2000 specimen records retrieved (1461 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC102280  Abutilon theophrasti Lowell Ahart 2009-10-27 16497 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS122719  Abutilon theophrasti Jake Ruygt 1996-9-2 3767 Napa SW corner, Silverado Trail at Pope Street, St. Helena. Quad: St. Helena. Comment
  JEPS104506  Achillea millefolium Jake Ruygt 1989-4-22 2278 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 432 Comment
  CAS-BOT-BC211901  Achnatherum coronatum G. L. Stebbins 1966-5-28 6426 Napa Markley Canyon, along State Highway 128, 3.5 miles west of Berryessa Dam 152 Comment
  JEPS29586  Achyrachaena mollis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8443 Napa 4.8 mi n along Atlas Peak Road Vichy Springs (junct of Calif 37 with Atlas Peak Road); Milliken Reservoir (due west and above) 335 Comment
  UC912571  Achyrachaena mollis A. E. Borell 1928-4-13 142 Napa 6 mi nw Calistoga Comment
  UCD167102  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6122 Napa Missimer - Snell Valley Preserve. 177 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
  UCD104055  Acmispon brachycarpus K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. 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
  UCD104052  Acmispon brachycarpus M. Ensign 1943-5-28 313 Napa About 12 miles north of Monticello on road to Lower Lake. Comment
  UCD18630  Acmispon glaber Roman Gankin 1957-5-30 227 Napa 5.1 mi. west of Monticello Dam, just off of highway on top of hill. Comment
  UCD148787  Acmispon parviflorus Ellen Dean; Diana Hickson 2014-4-29 8095 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD149712  Acmispon parviflorus Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD48946  Acmispon parviflorus Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) 'as the crow' flies NW of jct with South Decker Canyon Rd.; along roadside. 243 Comment
  UCD95900  Acmispon parviflorus Ellen Dean; with Clare Loughran 2011-5-20 7044 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD18153  Acmispon wrangelianus Jean Shepard; with Plant Biology 102 class 2000-4-29 191 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD35290  Acmispon wrangelianus Beecher Crampton 1955-4-7 2434 Napa Napa County; 7.8 miles north of Monticello. Comment
  JEPS44789  Adenostoma fasciculatum W. L. Jepson 1915-12-6 6584 Napa Howell Mt. Comment
  SEINET3077393 Image available Adenostoma fasciculatum Royal D. Suttkus 1967-6-26 67- 30 -38 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD48196  Adenostoma fasciculatum L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 7 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCD48197  Adenostoma fasciculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 9 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  JEPS121508  Adenostoma fasciculatum var. fasciculatum Adam C. Schneider with Dick O'Donnell 2013-5-26 200 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  UCD164818  Adiantum aleuticum Jake Ruygt 2013-5-18 5907 Napa Las Posadas State Forest. 367 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
  UCD137227  Adiantum jordanii M. Sidells 1996-4-13 8 Napa Lake Bereyessa. 280 Comment
  UCD48355  Adiantum jordanii Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 20 Napa Quail Ridge Reserve, southeast corner of Lake Berryessa, just west of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just south of junction with Cut Off Rd., near creek bed. 167 Comment
  UCD48359  Adiantum jordanii Kook-Hyun Chung 2001-4-28 2 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) NW of jct with South Decker Canyon Rd. 53 Comment
  UC199989  Adiantum jordanii C. F. Sonne April, 1895 Napa Soda Springs Comment
  JEPS40091  Aesculus californica W. L. Jepson Nov 29 1907-Nov 30 1907 2970 a Napa St. Helena Comment
  SD33877  Aesculus californica Marion Ownbey, Ruth P. Ownbey 1938-7-9 1701 Napa 6.0 miles northeast of Napa. Comment
  SEINET1908051  Aesculus californica Richard R. Halse 1989-1 3831 Napa Along State Hwy. 29, 2.7 miles north of Calistoga; on the Calistoga Grade 240 Comment
  UC521688  Aesculus californica Joseph Andorfer Ewan 1933-9-17 8016 Napa 2.5 mi out Calistoga (Mt St Helena road) Comment
  UC917208  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa 12 mi w Winters; Putah Creek Canyon Comment
  JEPS104514  Agoseris grandiflora Jake Ruygt 1982-5-1 1303 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  UCD73513  Agoseris grandiflora Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  RSA0009530  Agoseris grandiflora Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS36376  Agoseris grandiflora var. grandiflora W. L. Jepson 1893-4-24 Napa hills e of, on route to Conn Valley St. Helena; Napa Valley River Basin, Conn Valley Comment
Read comments
Jan 18 2009
  UCD117751  Agoseris grandiflora var. grandiflora Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  CAS-BOT-BC22752  Agoseris heterophylla Alice Eastwood 1915-6-5 4637 Napa Calistoga Comment
  CAS-BOT-BC22756  Agoseris heterophylla John H. Thomas 1955-5-21 5163 A Napa Near state highway 128 and Capell Creek, about 12 miles E of St. Helena 274 Comment
  JEPS104534  Agoseris heterophylla Jake Ruygt 1988-5-29 2193 Napa Cedar Valley 588 Comment
  UCD170681  Agoseris heterophylla 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD128611  Agoseris heterophylla Jerald W. Riekels 1961-4-29 29 Napa Wragg Canyon, 0.25 mile from State Highway 128. 121 Comment
  CAS-BOT-BC46061  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS36237  Agoseris heterophylla var. heterophylla W. L. Jepson 1938-5-18 18798 Napa slope above St. Helena Sanitarium; Howell Mts. Comment
  RSA115543  Agrostis densiflora Beecher Crampton 1957-6-4 4105 Napa Above Capell Creek, north end of Capell Valley Comment
  SEINET238873  Agrostis diegoensis Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains above Wooden Valley. Comment
  CAS-BOT-BC127401  Agrostis elliottiana Peter H. Raven 1955-4-9 8268 Napa Howell Mountain (west slope). 457 Comment
  CAS-BOT-BC127402  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  CAS-BOT-BC127141  Agrostis exarata Betty H. Johnson 1958-6-20 648 Napa Near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  CAS-BOT-BC127142  Agrostis exarata Peter H. Raven 1951-6-24 3020 Napa Brown's Valley - Sonoma Napa Road. 121 Comment
  OBI22552  Agrostis exarata Robert F. Hoover 1966-8-23 9932 Napa Butts Cyn near Lake Co. line Comment
  UC1145057  Agrostis exarata Joseph P. Tracy 1938-6-6 15846 Napa between Napa City and Yountville; Napa Valley 30 Comment
  CAS-BOT-BC139521  Agrostis hallii Peter H. Raven 1952-5-31 4102 Napa 1.5 mile east of Yountville. 30 Comment
  POM126099  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  UC1059033  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa 2 mi n Calistoga; meadow from waters supplied by Myrtledale Hot Springs Comment
  UC187236  Agrostis microphylla J. P. Tracy 1902-5-21 1613 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek, Howell Mountain); Howell Mountain, head Moore's Creek 518 Comment
  UCD36932  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD53041  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  JEPS71140  Agrostis pallens W. L. Jepson 1936-7-3 17637 Napa Four Corners Napa Range, Howell Mt. Comment
  JEPS76289  Agrostis pallens W. L. Jepson 1944-7-30 27541 Napa Four Corners Napa Valley, Howell Mt. Comment
  CDA37188  Aira caryophyllea CDFA Staff 2005-5-1 s.n. Napa Atlas Peak Road, Mead Ranch. 0 Comment
  RSA92784  Alisma triviale Peter H. Raven 1950-7-4 2470 Napa Along railroad, Yountville. Comment
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  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
  JEPS47556  Allium amplectens W. L. Jepson 1938-5-18 18791 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  RSA195336  Allium amplectens Gilbert Muth 1967-5-19 690 Napa Milliken Dam. 335 Comment
  SEINET12044090  Allium amplectens M. S. Jussel 1937-1 s.n. Napa Palisades Comment
  UC1042340  Allium amplectens Lewis S. Rose 1954-5-24 54058 Napa 6 mi ne Napa (summit, Wooden Valley grade); Wooden Valley grade Comment
  CAS-BOT-BC229  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena Comment
  CAS-BOT-BC466764  Allium cratericola Alice Eastwood 1923-5-9 s.n. Napa Old crater, Mt. St. Helena Comment
  RSA0000087  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena. Old crater in sand. Comment
  UCD161516  Allium cratericola Jake Ruygt 1990-4-8 2473 Napa White Creek, Wild Horse Valley Ranch. 408 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
  UC1585999  Allium falcifolium Barbara Ertter with Annetta Carter 1989-5-28 8506 Napa on Berryessa Rd. 2 mi se Lake Co. line (hills s of road, near Knoxville, extreme n Napa County) 609 Comment
  CAS-BOT-BC469021  Allium falcifolium Clara A. Hunt 1923-1-1 s.n. Napa Mts. near St. Helena Comment
  CAS-BOT-BC469022  Allium falcifolium R. C. Barneby 1954-4-30 11336 Napa Conn Valley, near the slipway. Comment
  CAS-BOT-BC469030  Allium falcifolium Willis L. Jepson 1893-5-1 43 Napa Upper Conn Valley; Napa River Basin Comment
  UC726233  Allium falcifolium A. A. Heller 1941-5-16 16129 Napa on road to Upper Lake about 3 mi w Knoxville Comment
  UCD138521  Allium falcifolium M. Ensign 1943-5-28 327 Napa 26 miles from Monticello on road to Lower Lake. Comment
  RSA123161  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mile northwest of Knoxville. 610 Comment
  CDA33428  Allium paniculatum CDFA Staff 1978-4-6 Napa Calistoga 0 Comment
  JEPS122681  Allium peninsulare var. franciscanum Jake Ruygt 2006-5-15 5020 Napa Near Montini, Open Space N of Sonoma. Quad: Sonoma. Comment
  POM203718  Allium serra J. T. Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  SEINET5010498  Allocarya stricta Unknown 1892-1 Napa Comment
  JEPS120324  Allophyllum divaricatum Jake Ruygt 1989-4-22 2271 a Napa East of Highway 121 on Highway 128. Capell Valley 7.5' Quad. Comment
  UC23569  Allophyllum divaricatum Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa R. Basin, Howell Mt. Comment
  UCD167205  Allophyllum divaricatum Jake Ruygt 2005-6-1 4883 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. 420 Comment
  UCD117325  Allotropa virgata Gilbert Muth 1971-5-20 s.n. Napa 1/2 mile down Ink Grade Road from White Cottage Road, Angwin. Comment
  JEPS129105  Alopecurus pratensis Jake Ruygt 2016-4-12 6186 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UC912663  Alopecurus saccatus Herbert L. Mason 1931-4-12 5838 Napa ground s. of Napa State Hospital Napa State Hospital Comment
  UCD47826  Amaranthus blitoides Mark Bibbo; Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  RSA755731  Amaranthus californicus Barbara Ertter, Elizabeth Neese 1988-10-2 7969 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  JEPS54296  Amaranthus californicus W. L. Jepson 1930-10-19 15683 Napa Conn Creek Napa Valley 45 Comment
  RSA92940  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near slaughterhouse Point, Napa River. 0 Comment
  UCD112864  Amelanchier alnifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  RSA26269  Amelanchier utahensis J. T. Howell 1940-5-19 15446 Napa Upper St. Helena Creek. 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
  JEPS115757  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  JEPS16027  Ammi majus Willis L. Jepson 1893-4 14205 Napa near Yountville; Napa Valley, Napa R. Basin Comment
  JEPS8339  Ammi majus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-9 4752 Napa just n. of city limits Napa (ca. 1/4 mi. w. of northern end of Jefferson St.) 18 Comment
  UC2061508  Ammi majus Dean G. Kelch 2016-7-9 16 .151 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  JEPS2725  Amorpha californica var. napensis W. L. Jepson 1916-8-6 6834 Napa Moore Creek Howell Mt. 548 Comment
  UC13277  Amorpha californica var. napensis Willis L. Jepson 1894-5-1 Napa canyon near Calistoga; Napa River Basin 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
  UCD18151  Amsinckia intermedia Jean Shepard; with Plant Biology 102 class 2000-4-29 196 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UC1094055  Amsinckia intermedia Francia Chisaki 1954-4-15 592 Napa 2.4 mi n of crossing with Hwy #29 on Silverado Trail Comment
  UCD68104  Amsinckia intermedia Cheryl Gillespie 1981-4-18 5 Napa Knoxville Road, 8.9 miles North of the intersection with Pope Canyon Road. Comment
  JEPS126130  Amsinckia lycopsoides Jake Ruygt 2010-3-13 5488 z Napa Silverado Trail at Zinfandel Lane. Rutherford 7.5' Qua. Comment
  UC1191037  Amsinckia menziesii var. menziesii Francia Chisaki 1954-4-15 597 Napa 2 mi s of Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD19934  Anagallis arvensis E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 792 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD49110  Anagallis arvensis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 20 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on slope N of North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  UCD170378  Anaphalis margaritacea Daniel Potter; N Khuu 2016-5-8 875 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, west of tributary to Nevada Creek. 277 Comment
  CAS-BOT-BC64137  Ancistrocarphus filagineus John Thomas Howell 1931-4-19 6446 Napa Conn Valley Comment
  CAS-BOT-BC64143  Ancistrocarphus filagineus David D. Keck 1931-4-3 1068 Napa Pope Creek canyon, 8 miles NW. of Monticello Comment
  UCD170806  Ancistrocarphus filagineus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  CAS-BOT-BC64140  Ancistrocarphus filagineus Peter H. Raven 1951-5-6 2822 Napa Silverado Trail 3/4 mile Conn Dam 182 Comment
  UCD148848  Angelica californica Ellen Dean; Diana Hickson 2014-4-29 8151 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 480 Comment
  UC648280  Angelica californica Alice Eastwood, John Thomas Howell 1939-6-11 7428 Napa w of Calistoga Comment
  UCD168522  Angelica lineariloba Stephen P. Rae; A. Solomeshch 2007-5-25 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
  UCD127188  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  SEINET3918488  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, small meadow along Highway 53.; 0 Comment
  UC157399  Antirrhinum cornutum Katharine Brandegee 1911-6-29 Napa Butts Canyon Comment
  JEPS12048  Antirrhinum kelloggii Peter H. Raven 1955-4-9 8269 Napa w slope Howell Mountain 457 Comment
  UCD33685  Antirrhinum vexillocalyculatum subsp. breweri Beecher Crampton 1971-10-26 8767 Napa 4.7 miles east of Conn Reservoir Dam, State Hwy. 128. Comment
  JEPS83369  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-11 335 Napa 1.9 mi from Barnett Road start (along valley of Pope Creek at an area reached by traveling private vineyard roads); Aetna Springs Quad. (7.5', 1958) 195 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
  JEPS5286  Antirrhinum virga Willis L. Jepson 1893-6-26 21298 Napa Howell Mt. Napa River Basin (above Toland House) Comment
  UC26386  Antirrhinum virga Willis L. Jepson 1893-9-23 Napa Mt. St. Helena; Napa River Basin Comment
  UCD126301  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  JEPS16056  Apiastrum angustifolium W. L. Jepson 1896-6-2 14208 Napa Napa Range, Conn Valley Conn Valley; Napa Range, Conn Valley Comment
  JEPS104560  Apocynum androsaemifolium Jake Ruygt 1992-5-7 2940 Napa south of Leoma Lakes, Wild Horse Valley 414 Comment
  UCD148555  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2026 Napa Napa County; Leoma Lakes 435 Comment
  JEPS19477 Image available Apocynum androsaemifolium Willis L. Jepson 1893-6-26 14622 Napa e St. Helena (valley floor); Napa River Basin; valley floor, E of St. Helena, Napa River Basin Comment
  UC382607  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi n Pope Valley Comment
  JEPS2729 Image available Aquilegia eximia J. P. Tracy Jul 5 1899-Jul 9 1899 353 Napa head Flat Creek (down from Moore's Creek Canyon); Howell Mt.; Head of Flat Creek, Howell Mt. Comment
  CAS-BOT-BC397795  Aquilegia formosa Rimo Bacigalupi 1928-6-20 1865 Napa Howell Mt, 10 miles west of St Helena Comment
  JEPS106773  Arabis glabra Jake Ruygt 1983-4-3 1405 Napa east end of Green Valley Rd. 432 Comment
  JEPS53025  Arabis glabra Willis L. Jepson 1893-4-25 13387 Napa near St. Helena (Bed of Sulphur Springs Creek); Sulphur Springs Creek Comment
  RSA0128968  Arabis modesta Gilbert Muth 1967-3-22 593 Napa Lake Berryessa. 121 Comment
  RSA394831B  Arbutus menziesii Robert E. Scholars 1975-4-19 8 Napa State Highway 128, 10 miles west of State Highway 121. 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
  SEINET7258058  Arbutus menziesii A. Woods s.n. Napa St. Helena Comment
  CAS-BOT-BC23953  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-10-3 2199 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC23985  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23997  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  CAS-BOT-BC23998  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mt. St. Helena Comment
  CAS-BOT-BC24017  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4564 Napa Crater Country, near Mt. St. Helena Comment
  CAS-BOT-BC24018  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4563 Napa Crater Country, near Mt. St. Helena Comment
  POM125382  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11758 Napa Mount St. Helena Comment
  UC1120911  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1936-9-20 712 Napa Mt. St. Helena Calistoga Quadrangle 609 Comment
  UC1424918  Arctostaphylos canescens subsp. canescens Gary D. Wallace 1974-12-23 1346 Napa along Hwy 29 just n Robert Louis Stevenson State Park (se of Mt. St. Helena) 609 Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena Comment
  UCD148754  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-3-27 5489 Napa Napa County; Archer Taylor Preserve, south of Bismark Knob. 630 Comment
  LA42166  Arctostaphylos crustacea Lewis S. Rose; 1937-4-4 37017 Napa Wooden Valley Grade, 8 mi. NE of Napa 274 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
  CAS-BOT-BC24864  Arctostaphylos glandulosa subsp. cushingiana Carl B. Wolf 1928-5-4 1861 Napa Upper slopes of Mt. St. Helena Comment
  RSA626915  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24804 Napa Chaparral on southeast side of Mt. Helena. 1020 Comment
  CAS-BOT-BC23101  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood; John Thomas Howell 1939-6-11 7433 Napa Hills west of Calistoga Comment
  CAS-BOT-BC23102  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-7-13 5351 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC23143  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood; John Thomas Howell 1939-6-11 7432 Napa Hills west of Calistoga Comment
  JEPS106417  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1981-4-12 974 Napa Grassy Hill near Palisades 670 Comment
  CHSC23436  Arctostaphylos manzanita Robert A. Schlising; Glenn Keator 1962-1-25 2024 Napa California Coast Ranges. NW corner Napa County. Mt. Saint Helena Comment
  RSA31062  Arctostaphylos manzanita E. K. Balls, Percy C. Everett 1953-10-15 18676 Napa 3.4 mi S of Lake-Napa Co. line, Hwy 29, between Middletown and Calistoga. 640 Comment
  RSA355181  Arctostaphylos manzanita L. F. LaPre 1985-4-24 355181 Napa Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. Line and S of Three Peaks. Comment
  UC876434  Arctostaphylos manzanita Alice Eastwood and John Thomas Howell 1937-4-4 3830 Napa e Napa; Wooden Valley Grade Comment
  UCD23605  Arctostaphylos manzanita Rodney Gale Myatt 1971-9-15 982 Napa Robert Louis Stevenson State Park. Along Hwy 29, just southeast of Mt. St. Helena. 609 Comment
  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
  JEPS106415  Arctostaphylos manzanita subsp. elegans Jake Ruygt 1978-3-19 243 Napa Mt. St. Helena 1097 Comment
Read comments
Jan 14 2009
  JEPS68362  Arctostaphylos manzanita subsp. elegans L. R. Heckard 1972-6-26 2996 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  UC796643  Arctostaphylos manzanita subsp. elegans Ira L. Wiggins 1949-4-30 12084 Napa on saddle about 1.5 mi from summit of Mt. St. Helena 1066 Comment
  CAS-BOT-BC38735  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-5-1 6862 Napa Mt. St. Helena Comment
  CAS-BOT-BC38760  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa wooden Valley Grade Comment
  CAS-BOT-BC38763  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-1-22 6385 Napa Sulphur Springs Canyon just N. of the resort 213 Comment
  CAS-BOT-BC38772  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-14 15495 Napa About 3 miles east of Calistoga, near the foot of the grade up Mt. St. Helena on a steep clay bank. Comment
  JEPS78437  Arctostaphylos manzanita subsp. manzanita Edward Lee 1936-3-15 1804 Napa 3/4 mi out Rutherford (Rutherford-Pope Valley road); Rutherford-Pope Valley road Comment
  RSA15676  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  SBBG5442  Arctostaphylos manzanita subsp. manzanita J. M. Tucker 1941-9-20 396 Napa Putah Cyn, Vaca Range Comment
  UC1543123  Arctostaphylos manzanita subsp. manzanita Charlotte G. Nast 1936-3-27 41 Napa Putah Canyon Comment
  UC571210  Arctostaphylos manzanita subsp. manzanita H. L. Mason 1925-1-22 1205 Napa Wooden Valley Grade Comment
  UC572658  Arctostaphylos manzanita subsp. manzanita Herbert B. Kaufner 1937-2-26 9 Napa Upper Mill Creek Canyon 335 Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43837  Arctostaphylos stanfordiana C. C. Parry 1887-3-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC43838  Arctostaphylos stanfordiana John Thomas Howell 1930-3-23 4559 Napa About 1 mile se. of Mt. St. Helena Inn. Near Mt. St. Helena. Comment
  CAS-BOT-BC43843  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa Mt. St. Helena Comment
  CAS-BOT-BC43853  Arctostaphylos stanfordiana Alice Eastwood 1918-5-1 6840 Napa Mt. St. Helena Comment
  CDA11912  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins 1994-3-11 11599 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  JEPS58788  Arctostaphylos stanfordiana W. L. Jepson 1938-9-28 19041 Napa La Jota Mesa 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
  UC421586  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa along trail to summit Mt. St. Helena Comment
  RSA92780  Arctostaphylos stanfordiana P. H. Raven 1953-2-21 5190 Napa Wooden Valley Grade. 274 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
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  POM203160  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-5-5 11305 Napa Mount St. Helena Comment
  POM301551  Arctostaphylos stanfordiana subsp. stanfordiana N. Hollister 1909-07 13 Napa Mt. George Comment
  RSA15667  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mile N of summit Mt. St. Helena grade. Comment
  RSA178671  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1932-3-12 5767 Napa Hillside between Calistoga and Franz Valley. Comment
  UC876395  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1937-4-4 37017 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  RSA531257  Arctostaphylos viscida W. Wisura, D. Grzanna 1991-9-4 4575 Napa 8.7 mi. N of Calistoga along Hwy. 29. Comment
  UCD102399  Arctostaphylos viscida subsp. pulchella Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-3-16 s.n. Napa Lake Berryessa. Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road to Capell Creek. 230 Comment
  CAS-BOT-BC47450  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-5-5 11296 Napa Mt. St. Helena Comment
  CAS-BOT-BC47453  Arctostaphylos viscida subsp. viscida John Thomas Howell 1926-3-21 1712 Napa on St. Helena Creek near Patten's 609 Comment
  RSA450961  Arctostaphylos viscida subsp. viscida C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC361309  Aristolochia californica Richard R. Halse 2013-3-27 8755 Napa Along State Hwy 128 ca. 5.3 miles E of its junction with State Hwy 121 at Moskowite Corners. 239 Comment
  HSC97524  Aristolochia californica Andrew Joseph Eckert 2001-3-3 7 Napa Alston Park, 1.5 mi. N of Redwood Creek Rd. on W side of Napa Valley 122 Comment
  JEPS32455  Aristolochia californica Willis L. Jepson 1900-3-9 507 Napa Stone Bridge, St. Helena Napa R. Basin, St. Helena Comment
  SBBG16136  Aristolochia californica H. and M. Dearing 1940-3-20 4147 Napa near Napa Comment
  UC65023  Aristolochia californica E. Kelly 1905-5-27 Napa near Napa Comment
  UC468967  Arnica discoidea H. P. Chandler 1907-5-19 7579 Napa St. Helena , White Sulphur Spring Comment
  CDA11261  Artemisia californica G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11916 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Below old homestead. Comment
  JEPS7805  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa hills due e of Yountville 152 Comment
  UC6173  Asarum caudatum Willis L. Jepson 1893-5-8 Napa Howell Mountain, Napa River Basin Comment
  JEPS49848  Asclepias eriocarpa W. L. Jepson 1936-7-6 17654 Napa ca. 5 mi s Monticello (where the road from Sage Canyon joins the Napa-Monticello road); Soda Creek Comment
  UC22997  Asclepias fascicularis W. H. Brewer 1862-8-6 1321 Napa near Camp 84; Rag Canyon Comment
  JEPS129152  Asparagus officinalis subsp. officinalis Jake Ruygt 1979-5-23 628 Napa Napa River south of Trancas Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC69617  Aspidotis densa Peter H. Raven 1953-4-19 5325 Napa Soda Creek, e. of Chiles Valley. 182 Comment
  UC796474  Aspidotis densa Ira L. Wiggins 1949-4-30 12094 Napa ne slopea Mt St Helena (near hwy between Calistoga and Middletown, near Lake Co line) 853 Comment
  UCD75830  Astragalus breweri Jake Ruygt 2005-5-16 4853 Napa Tubbs Lane at Myrtledale Rd., Calistoga; NE parcel. 122 Comment
  JEPS107259  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa East end of Taplin Road 106 Comment
  JEPS2754 Image available Astragalus claranus Clara A. Hunt 1909-4-8 Napa St. Helena; ; St. Helena, Napa Co. Comment
Read comments
Aug 6 2014
  RSA481899  Astragalus claranus Aaron Liston, James D. Morefield 1988-3-19 706 -1 Napa Northeast side of Lake Hennessey; 4.3 miles ESE of Howell Mountain Road on Conn Valley Road. 100 Comment
  UC13336  Astragalus clevelandii W. L. Jepson 1892-7 Napa Knoxville Comment
  UCD160793  Astragalus clevelandii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8673 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UC13438  Astragalus gambelianus Willis L. Jepson 1893-5-2 Napa Pope Valley grade Calistoga (Napa River Basin); , Pope Valley grade fr Calistoga Comment
  UCD38569  Astragalus gambelianus Beecher Crampton 1956-5-25 3448 Napa Vaca Mtns., Markley Canyon. Comment
  CAS-BOT-BC27754  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs Comment
  JEPS41083  Astragalus rattanii var. jepsonianus Rimo Bacigalupi and L. R. Heckard 1965-5-15 9095 Napa about 1 mi e Devilhead Road ((from Cedar Valley to Knoxville), at edge of small valley, along Zim Zim Creek); along Zim Zim Creek 487 Comment
  UC1128873  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mi nw Knoxville; Reiff Quadrangle, nw of Knoxville Comment
  CAS-BOT-BC17534  Athysanus pusillus Alice Eastwood 1922-3-25 11102 Napa Calistoga. Comment
  CDA11340  Athysanus pusillus G. F. Hrusa 1995-4-2 12050 Napa North Coast Biodiversity Arena; Alongside Highway 128 at Lake Hennessey. Comment
  RSA733822  Athysanus pusillus Keith E. Hoffmaster 1946-3-23 1055 Napa Napa range, along Napa-Monticello road Comment
  UCD19951  Athysanus pusillus E. A. Dean; Virginia Boucher 2002-2-28 893 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  UCD73412  Athysanus pusillus Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  HSC6515  Athysanus pusillus C. B. Wolf 1928-5-3 1831 Napa At the summit of the Mt. St. Helena Grade, Mt. St. Helena Comment
  UCD74389  Athysanus pusillus Jake Ruygt 1977-4-3 171 Napa Green Creek east of Lake Berryessa. 259 Comment
  UCD159941  Avena fatua Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD18010  Avena fatua Ellen Dean; with Plant Biology 102 class 2001-4-28 742 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At entrance gate to Reserve, along path that goes to the NE from gate. 371 Comment
  UCD56374  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley. 1 mile south of Rutherford. State Highway 128. Comment
  JEPS126110  Azolla filiculoides Jake Ruygt 1981-4-22 995 Napa East of Kaiser Steel, west of Highway 29 (221) Rocktram. Napa 7.5' Qua. Comment
  UC1222975  Baccharis pilularis Joseph P. Tracy 1948-11-15 18258 Napa near, on Silverado Trail e side of Napa Valley St. Helena Comment
  UCD19330  Baccharis pilularis M. A. Bibbo; E. Dean 2001-7-6 22 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.2 air miles from jct of W and E roads. 312 Comment
  JEPS21291  Baccharis pilularis W. L. Jepson 1892-10-22 Napa near St. Helena ((Park Hill)); Park Hill Comment
  CAS-BOT-BC106729  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Montecello 167 Comment
  JEPS106775  Barbarea orthoceras Jake Ruygt 1977-3-7 146 Napa hills east of east end Westgate Dr., Silverado Country Cl. 213 Comment
  JEPS106777  Barbarea orthoceras Jake Ruygt 1986-1-29 1626 Napa .4 miles south of Oak Knoll Ave. on Silverado Trail 21 Comment
  UCD160042  Barbarea vulgaris Catherine Koehler 2012-5-23 Napa McLaughlin UC Reserve. Hunting Creek between Hunting Creek Campground and contractor road. 365 Comment
  UCD38368  Barbarea vulgaris Beecher Crampton 1955-4-4 2386 Napa 0.5 mile east of St. Helena, Silverado Trail. Comment
  CAS-BOT-BC145816  Beckmannia syzigachne Peter H. Raven 1951-6-24 3028 Napa Brown's Valley to Napa Sonoma Road. 91 Comment
  UCD56790  Beckmannia syzigachne A. A. Beetle 1946-7-13 4694 Napa SE 1 mi. from Calistoga. Comment
  JEPS47706  Berberis aquifolium Willis L. Jepson 1893-5-3 Napa near Toll-house (Middleton grade); Mt. St. Helena Comment
  JEPS126129  Berberis nervosa Jake Ruygt 2006-4-1 4962 Napa Three Peaks, northeast side, road near top. Saint Helena 7.5' Qua. Comment
  SBBG128614  Bergia texana L. Ahart 2009-10-27 16485 Napa below the high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 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
  CAS-BOT-BC100270  Blennosperma nanum var. nanum John Thomas Howell 1926-3-27 1753 Napa Soscol Comment
  RSA182010  Boisduvalia densiflora var. densiflora W. L. Jepson 1944-7-30 27545 Napa 3 miles SE of Yountville, Napa Valley. Comment
  CAS-BOT-BC31395  Bolboschoenus robustus Walter Knight; Irja Knight 1978-11-5 3333 Napa Duttons Landing. End of Green Island Road. Comment
  JEPS110568  Boschniakia strobilacea Jake Ruygt 1998-5-30 4009 Napa Mt. St. Helena, on RLS cabin trail. 792 Comment
  UCD20423  Brachypodium distachyon E. Dean; w/ PLB 102 class 2002-5-4 1010 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  UCD81828  Brachypodium distachyon Ellen Dean 2009-4-24 5455 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  UCD47948  Brassica nigra Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 5 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  RSA0125931  Brassicaceae Keith E. Hoffmaster 1946-3-23 1117 Napa Napa range, along Napa-Monticello road Comment
  CAS-BOT-BC106268  Brickellia californica John Thomas Howell 1927-8-24 3047 Napa In bed of Pope Valley Creek between Walter's Springs and Samuel's Springs, Napa Range Comment
  CAS-BOT-BC106270  Brickellia californica Peter H. Raven 1952-8-28 5160 Napa Road below Napa Soda Springs 213 Comment
  CHSC103023  Brickellia californica Lowell Ahart 2009-10-12 16417 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
  CAS-BOT-BC145365  Briza minor Peter H. Raven 1953-5-2 5368 Napa Valley floor east of Yountville. 76 Comment
  JEPS75998  Briza minor W. L. Jepson 1936-6-1 17592 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  CAS-BOT-BC482166  Brodiaea appendiculata W. L. Jepson 1923-6-3 9981 Napa A little swale in the Napa Valley, not far from the mouth of Conn Creek 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
  UCD160680  Brodiaea elegans subsp. elegans Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8752 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  JEPS50491  Brodiaea elegans subsp. elegans Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9306 Napa along Conn Valley Road (0.8 mi e of its junction with Howell Mountain Road at upper end Conn Valley); upper end of Conn Valley 121 Comment
  CAS-BOT-BC484194  Brodiaea elegans var. elegans James L. Reveal 1987-6-7 6407 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
  CAS-BOT-BC484197  Brodiaea elegans var. elegans Betty H. Johnson 1958-6-15 623 Napa Near St. Helena River, 6.4 mi S.W. of Middletown Comment
  CAS-BOT-BC484198  Brodiaea elegans var. elegans Peter H. Raven 1952-5-31 4124 Napa Hills s.w. of Rector Canyon` 152 Comment
  JEPS110912  Brodiaea leptandra Jake Ruygt 1982-7-18 1372 Napa Deer Park Rd. at Four Corners 414 Comment
  JEPS5689  Brodiaea leptandra W. L. Jepson 1936-7-3 17634 Napa Four Corners Howell Mountain Comment
  CAS-BOT-BC486434  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1938-5-15 5517 Napa Myrtledale Hot Springs Comment
  JEPS123012  Bromus carinatus Jake Ruygt 1997-4-24 3834 Napa Atlas Peak Road about 4 miles north of Monticello Road. Quad: Capell Valley. Comment
  UCD36562  Bromus carinatus Beecher Crampton 1954-5-6 1830 Napa 5 miles south of Monticello. Comment
  UCD58297  Bromus carinatus Beecher Crampton 1956-5-25 3457 Napa Head of Markley Canyon. Vaca Mtns. 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
  UCD60199  Bromus catharticus var. elatus Peter H. Raven 1957-5-5 10788 Napa Calistoga. 91 Comment
  SACT000490  Bromus commutatus M. Wiesendanger 1927-5-4 Napa Comment
  UCD58447  Bromus commutatus Beecher Crampton 1962-5-16 6425 Napa 1 mile E of Aetna Springs. Comment
  UCD120796  Bromus diandrus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7333 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD58595  Bromus diandrus Beecher Crampton 1962-5-16 6421 Napa 3.5 miles north of Conn Reservoir. Along Pope Valley Road. Comment
  UCD59484  Bromus diandrus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3548 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS76085  Bromus hordeaceus W. L. Jepson 1938-5-22 18814 Napa Pope Valley, Limekiln Creek Canyon Limekiln Creek Canyon; Pope Valley, Limekiln Creek Canyon Comment
  UCD159943  Bromus hordeaceus Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC155329  Bromus laevipes Peter H. Raven 1951-6-26 3082 Napa Cappell Valley. 365 Comment
  JEPS123006  Bromus laevipes Jake Ruygt 1988-6-4 2215 Napa Mt. St. Helena <0.5 miles from Highway 29 0n fire road. Quad: Detert Reservoir. Comment
  UCD160749  Bromus laevipes Ellen Dean 2015-5-23 8801 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  UCD32905  Bromus laevipes Beecher Crampton 1965-6-17 7408 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD58901  Bromus laevipes Beecher Crampton 1957-6-4 4107 Napa Above Capell Creek. North end of Capell Valley. Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  UCD33379  Bromus pseudolaevipes Beecher Crampton 1967-6-20 8133 Napa Napa County, 3 miles north of Moskowite Corner at north end of Capell Valley above Capell Creek on Hwy. 128. Comment
  UCD148808  Bromus rubens Ellen Dean; Diana Hickson 2014-4-29 8115 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD59601  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa Cemetery, Napa. Comment
  CDA10898  Bromus sterilis G. F. Hrusa, M. Rejmanek 1993-5-15 10994 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA5378  Buddleja davidii H. Stabo 1965-8-26 Napa Yountville Crossroads. 0 Comment
  SBBG21229  Calamagrostis rubescens B. Crampton 1961-6-12 Napa 7 mi E of Napa, Howell Mtn, summit of St Hwy 37 Comment
  UCD57740  Calamagrostis rubescens Freed W. Hoffman 1944-7-7 1973 Napa North Coast Ranges, Trinity Road. 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
  JEPS128910  Calandrinia ciliata Jake Ruygt 1994-3-7 2996 Napa Lewelling Ranch, west end of Lewelling Lane, Saint Helena. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC438470  Calandrinia ciliata David D. Keck 1931-4-2 1055 Napa Wooden Valley Grade, west side of Napa Range, 8 miles NE. of Napa 170 Comment
  UCD100279  Calandrinia ciliata M. R. Wanzer 1948-5-15 21 Napa just south of the judging pavilion, University of California campus, Davis. Comment
  UCR12093  Calendula arvensis Coleta A. Lawler 1964-3-24 12 Napa Junction of Redwood Rd and Browns Valley Rd Comment
  UCD161613  Callitriche marginata Jake Ruygt 2002-3-12 4359 Napa Lewelling Ranch, Sulphur Springs Avenue, St. Helena. 77 Comment
  POM137263  Callitriche verna C. F. Baker 1903-4-19 1998 Napa St. Helena Comment
  UCD169609  Calochortus amabilis Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  CAS-BOT-BC488485  Calochortus amabilis David D. Keck 1933-5-28 2330 Napa Howell Mountian, north side, 1 mile above Pope Valley, P.O. Comment
  UCD139474  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa north side of Putah Canyon. Comment
  HSC43973  Calochortus luteus Robert M. Specht 1977-4-27 800 Napa N side of Morgan Valley Rd. 622 Comment
  UC1300908  Calochortus luteus Helen K. Sharsmith 1962-6-3 5109 Napa Napa-Soda Springs road San Francisco Bay Region 152 Comment
  UCD166650  Calochortus splendens Jake Ruygt 1989-5-20 2333 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 441 Comment
  UCD160678  Calochortus superbus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8750 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  CAS-BOT-BC483614  Calochortus tolmiei L. R. Abrams 1928-5-4 12291 Napa 4 miles south of Middletown Comment
  CAS-BOT-BC270611  Calycadenia multiglandulosa G. D. Carr 1971-6-17 566 Napa Junction of Howell Mountain, Deer Park, White Cottage Roads (Four Corners), ca. 1.5 miles SW of Angwin 424 Comment
  CAS-BOT-BC270612  Calycadenia multiglandulosa Edward Lee Greene 1881-6-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC270824  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles N of Spanish Flat on Knoxville - Berryessa Road 152 Comment
  CAS-BOT-BC270833  Calycadenia pauciflora John Thomas Howell 1929-8-4 4364 Napa 1 mile below Samuels Springs, Pope Creek Canon [Pope Creek Canyon], Napa Range Comment
  UCD129824  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa junction of Lower Chiles Valley and Pope Valley Roads, Comment
  CAS-BOT-BC270827  Calycadenia pauciflora G. D. Carr 1971-9-20 672 Napa 0.8 mile NW of Knoxville Road 458 Comment
  CAS-BOT-BC270828  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles E of Butts Canyon Road on Snell Valley Road 182 Comment
  JEPS104713  Calycadenia pauciflora John L. Morrison 1936-9-19 1947 A Napa Knoxville Mines Comment
  JEPS38587  Calycadenia pauciflora Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa near Knoxville; Clear Lake (Mountain Region) Comment
  UCD129904  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road. 609 Comment
  UC523514  Calycadenia truncata David D. Keck 1933-11-10 2720 Napa 1 mi n of Yountville Comment
  CAS-BOT-BC271527  Calycadenia truncata subsp. truncata L. R. Abrams 1916-7-2 5762 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC271568  Calycadenia truncata subsp. truncata G. D. Carr 1971-10-23 682 Napa Howell Mt. Rd. ca. 0.8 S of Angwin 476 Comment
  CAS-BOT-BC271526  Calycadenia truncata subsp. truncata Roxana S. Ferris 1941-9-28 10639 Napa Eastern edge of Napa Valley along Conn Creek near St. Helena Comment
  CAS-BOT-BC271564  Calycadenia truncata subsp. truncata A. A. Heller 1941-9-22 16317 Napa About a mile north of Yountville Comment
  CAS-BOT-BC271567  Calycadenia truncata subsp. truncata John Thomas Howell 1929-10-26 4533 Napa 1/2 mile north of Yountville Comment
  CAS-BOT-BC271570  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  POM215138  Calycadenia truncata subsp. truncata D. D. Keck 1933-11-10 2720 Napa 1 mile N of Yountville Comment
  JEPS40314  Calycanthus occidentalis W. L. Jepson 1936-5-29 17547 Napa Adam-and-Eve Ridge Howell Mt. (at the cave, Howell Mt.) Comment
  SBBG9297  Calycanthus occidentalis S. Wagener 1955-5-16 73 Napa Conn Dam, St Hwy 128 Comment
  UCD15499  Calycanthus occidentalis Ted Graber 1984-5-12 28 Napa 1 mile west from Conn Dam on highway 128. 60 Comment
  UCD67989  Calycanthus occidentalis Becky Wilson 1973-5-31 92 Napa Along Road 121. In an oak woodland plant association, near a stream. Flower, orange-red. Comment
  HSC74291  Calyptridium monospermum D. Goforth 1980-4-11 427 Napa Near Cedar Creek 579 Comment
  UC1794972  Calystegia collina subsp. collina R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19848 Napa 10 km NE of St. Helena, on Chiles and Pope Valley Road 300 Comment
  UCSC009027  Calystegia collina subsp. collina Dylan M. Neubauer 2015-4-24 129 Napa (NCoRI) Dirt road abutting drainage flowing S/N on S side Chiles-Pope Valley Road 301 Comment
  UCD167154  Calystegia occidentalis Jake Ruygt 2015-5-13 6102 b Napa East of Zim- Zim Creek parking lot. 350 Comment
  CHSC112055  Calystegia occidentalis R. K. Brummitt; B. Ertter, J. A. Ruygt 2012-6-16 22058 Napa Napa city, Alston Park, near Dry Creek Road. 51 Comment
  UCD126140  Calystegia occidentalis M. Ensign 1943-5-28 315 Napa About 12 miles from Monticello on road to Lower Lake. Comment
  JEPS31645  Calystegia purpurata Willis L. Jepson 1893-5-2 14518 Napa e Calistoga (New Pope Valley grade, Napa River Basin); Napa River Basin, e of Calistoga Comment
  SBBG5771  Calystegia purpurata H. and M. Dearing 1939-5-3 3269 Napa Rutherford-Sage Cyn Rd Comment
  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
  CAS-BOT-BC224626  Calystegia purpurata subsp. purpurata Saichi Kawahara 1968-4-20 333 Napa Oakville Grade, 4 miles west of Oakville 228 Comment
  CAS-BOT-BC224627  Calystegia purpurata subsp. purpurata Peter H. Raven 1952-5-26 4035 Napa St. Helena to Howell Mt. 304 Comment
  CDA33512  Calystegia purpurata subsp. purpurata Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  UCD168575  Calystegia purpurata subsp. purpurata Stephen P. Rae; A. Solomeshch 2007-4-10 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD48871  Calystegia purpurata subsp. purpurata E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd.; on a SW-facing slope on upslope of road. 237 Comment
  CAS-BOT-BC224342  Calystegia subacaulis subsp. subacaulis Rimo Bacigalupi 1928-6-20 1859 Napa Howell Mt 10 miles west of St Helena Comment
  CDA24737  Camelina sativa P. B. Kennedy 1922-5-5 Napa Napa. 0 Comment
  UCR12056  Camissonia ovata Coleta A. Lawler 1964-3-24 7 Napa Buhman Avenue, 0.2 mi north of junction with Henry Road 8 Comment
  JEPS122758  Camissoniopsis hirtella Jake Ruygt 2007-5-17 5176 Napa Duff Ranch, NW of Potato Hill. Quad: Calistoga. Comment
  UC1196942  Camissoniopsis hirtella J. P. Tracy 1902-5-16 1508 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCSB4470  Camissoniopsis intermedia Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Cape 11 Valley, 3.2 miles west of junction of the road with California Highway #37 213 Comment
  UC735049  Campanula angustiflora Lincoln Constance, J. F. Davidson, W. H. Wagner and R. H. Shan 1946-5-18 3045 Napa se slope of mountain near old inn; Mount St. Helena Comment
  UCD160651  Campanula griffinii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8737 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  CAS-BOT-BC37119  Capsella bursa-pastoris R. E. Frenkel 1963-10-27 298 Napa In the vineyard north of Oakville Cross Road. Comment
  UCD114140  Capsella bursa-pastoris David Lawfer 1952-3-11 107 Napa Napa. Comment
  CAS-BOT-BC37584  Cardamine californica John H. Thomas 1966-3-22 11531 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 609 Comment
  CAS-BOT-BC37591  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa Mayacama Mountains. Crater Region. 4 miles north of Calistoga. Comment
  UCD17995  Cardamine californica Ellen Dean; Kate Mawdsley 2001-4-9 681 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., south of jct with Cutoff Rd. 243 Comment
  JEPS106839  Cardamine californica var. californica Jake Ruygt 1977-2-13 125 Napa east of Napa State Hospital 91 Comment
  OBI68596  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 -58 Napa S facing slope, State hwy 53, 2.5 mi N Calistoga Comment
  UCD159927  Carduus pycnocephalus subsp. pycnocephalus 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
  UC50828  Carex amplifolia J. P. Tracy 1902-5-21 1606 Napa 3-4 mi e Angwin's (head of Moore's Creek); Moore's Creek 365 Comment
  UCD140163  Carex barbarae Max P. Dunford 1961-4-8 1032 Napa 6 miles west of Petaluma on road to Two Rock and Bodega Bay. 30 Comment
  UCD140261  Carex densa K. Esau 1935-5-5 s.n. Napa near Petrified Forest, Calistoga. Comment
  UCD160768  Carex densa Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8638 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD161346  Carex densa Jake Ruygt 1986-5-5 1746 Napa West slope of Mt. George. (Coordinates estimated by label maker at UC Davis). 310 Comment
  UC1115816  Carex feta Joseph P. Tracy 1938-6-6 15845 Napa between Napa City and Yountville 30 Comment
  UC1103568  Carex multicaulis J. P. Tracy 1902-5-18 1545 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek); Head Moore's Creek, Howell Mountain 487 Comment
  UC483315  Carex nudata Ira L. Wiggins 1932-3-12 5753 Napa 1 mi N of Calistoga (N Fork of Napa River) Comment
  CAS-BOT-BC117621  Carex serratodens Beecher Crampton 1957-4-22 3942 Napa Along new section Hwy 128, above Capell Creek, N end of Capell Valley. Comment
  JEPS121329  Carex serratodens Jake Ruygt 1979-4-23 542 Napa 2.1 miles east of Silverado Trail on Hwy 128 100 Comment
  JEPS121330  Carex serratodens Jake Ruygt 1982-5-5 1237 Napa American Canyon Comment
  UCD161750  Carex subbracteata Jake Ruygt 1996-3-17 3523 Napa Highway 29 at Heitz Way, south of Calistoga. 94 Comment
  CAS-BOT-BC116770  Carex subfusca Betty H. Johnson 1959-6-20 646 A Napa At waters edge of stream at Mt. Mill House, 6.4 mi SW of Middletown. Comment
  UCD20759  Carex tumulicola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 109 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UCD161540  Carex tumulicola Jake Ruygt 1992-5-4 2932 Napa Westwood Hills Park, Browns Valley Road, Napa. 91 Comment
  UCD161586  Carex tumulicola Jake Ruygt 2008-4-24 5304 -e Napa center divide of Highway 221 about 1/4 mile north of Highway 29 intersection. 30 Comment
  UCD148091  Carthamus lanatus Jake Ruygt 2001-7-2 4317 Napa East of Lower Chiles Valley Rd. on Sage Canyon Rd. (Hwy 128) 155 Comment
  UCD149566  Carya illinoinensis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC248976  Castilleja Paul F. Covel 1940-4-28 1740 Napa Las Posadas Camp-near Pacific Union College-Howell Mt. Comment
  CAS-BOT-BC248977  Castilleja John Thomas Howell 1931-4-2 6095 Napa 10 miles east of Napa on road to Monticello, Napa Range Comment
  SJSU11484  Castilleja affinis E. C. Garbett 1961-4-15 292 Napa Brown Valley Rd between Vallejo & Brown Valley Comment
  CAS-BOT-BC249080  Castilleja affinis John Thomas Howell 1931-4-2 6095 Napa 10 mi. east of Napa on road to Monticello, Napa Range Comment
  POM182742  Castilleja affinis D. D. Keck 1931-4-2 1042 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS110635  Castilleja affinis subsp. affinis Jake Ruygt 1976-5-2 44 Napa 3.4 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  JEPS35588  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1366 Napa 1.3 mi sw Calif. Hwy. 121 junction with Wooden Valley road (along Calif Hwy 121, above Wooden Valley) 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
  UC457174  Castilleja affinis subsp. affinis David D. Keck 1931-4-2 1042 Napa 10 mi from Napa (between Wooden Valley and Monticello, e base of Napa Range); Napa Range Comment
  SEINET10702279 Image available Castilleja ambigua A. Arthur Heller 1902-5-24 Heller 5601 Napa Near Napa. Comment
  JEPS122742  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5796 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  UC1001198  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due e. of Yountville Comment
  JEPS46013  Castilleja applegatei subsp. martinii L. R. Heckard 1957-7-26 817 Napa Summit of Mt. St. Helena road Mt. St. Helena (along Highway 29) 609 Comment
  JEPS5853  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa 10 mi w Winters (In Putah Canyon above Recreation Beach); Putah Canyon Comment
  OBI54929  Castilleja applegatei subsp. martinii Kathleen Faustini 1980-5-4 27 Napa Monticello dam Comment
  JEPS110633  Castilleja attenuata Jake Ruygt 1983-5-1 1450 Napa east side of HWY 29 on Suscol ridge 28 Comment
  JEPS9880  Castilleja attenuata W. L. Jepson 1944-5-21 27258 Napa valley at w base Adam-and-Eve Ridge; Howell MOuntain Comment
  JEPS110626  Castilleja densiflora subsp. densiflora Jake Ruygt 1992-4-29 2916 Napa Johnson's Meadow, Wild Horse Valley Ranch 420 Comment
  UC1301193  Castilleja densiflora subsp. densiflora Helen K. Sharsmith 1963-4-20 5331 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  SEINET13772588  Castilleja exserta R. R. Halse 1989-1 3834 Napa Along State Hwy 28, on the Calistoga Grade, 2.7 miles N of Calistoga. 240 Comment
  UCD122504  Castilleja foliolosa Paul C. Hutchinson 1963-3-3 2675 Napa 2 miles above the St. Helena Sanitarium, along the road to Pope Valley. Comment
  UCD122555  Castilleja foliolosa D. S. Totah 1948-3-18 3 Napa Putah Canyon. Comment
  JEPS3673  Castilleja foliolosa C. R. Bell 1951-3-24 896 Napa 1.5 mi s Pacific Union College Comment
  RSA195319  Castilleja foliolosa Gilbert Muth 1967-4-9 607 Napa Between Aetna and Callistoga. 671 Comment
  UC1537568  Castilleja foliolosa Gordon H. True Jr. 1937-6-21 730 Napa Mt. George 304 Comment
  RSA523429  Castilleja franciscana L. R. Heckard 1964-6-11 1367 Napa Along state highway 128 near Coon Park at western edge of Lake Hennessey. Comment
  UC147875  Castilleja minor subsp. spiralis J. P. Tracy 1905-7-6 2231 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  JEPS110678  Castilleja rubicundula subsp. lithospermoides Jake Ruygt 1981-5-3 1008 Napa American Canyon E of Flosden Road 21 Comment
  JEPS11160  Castilleja rubicundula subsp. lithospermoides Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  JEPS110637  Castilleja rubicundula subsp. rubicundula Jake Ruygt 2007-5-29 2194 Napa Cedar Valley 597 Comment
  JEPS11155  Castilleja rubicundula subsp. rubicundula W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge; ne Napa County 609 Comment
  UCD123055  Castilleja rubicundula subsp. rubicundula Alva Day 1965-5-15 65- 128 Napa Cedar Valley, west of Lake Berryessa. Comment
  UCD144653  Caulanthus lasiophyllus 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-BC47998  Ceanothus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  RSA399087  Ceanothus cuneatus Bonnie C. Templeton 1957-6-26 s.n. Napa Between Calistoga and Petrified Forest Comment
  UCD170665  Ceanothus cuneatus 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. 200 Comment
  JEPS42196  Ceanothus cuneatus var. cuneatus W. L. Jepson 1913-4-15 5313 Napa Howell Mt. 609 Comment
  RSA755233  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 DOB 899 c Napa Vaca Mts.: on E-W trending ridge S of East Mitchel Canyon, 15.2 road miles W of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 degrees true ENE of Rutherford. 270 Comment
  CAS-BOT-BC49114  Ceanothus cuneatus var. ramulosus Elizabeth Mrs. Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  CAS-BOT-BC49789  Ceanothus divergens Walter Knight; Steve Edwards 1985-11-17 5186 Napa Kortum Canyon Road Comment
  CAS-BOT-BC49801  Ceanothus divergens Carl B. Wolf 1928-5-4 1853 Napa Mt. St. Helena Comment
  CAS-BOT-BC49802  Ceanothus divergens T. S. Brandegee 1889-4-1 74 Napa 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-BC64437  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  CAS-BOT-BC64438  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  CAS-BOT-BC64440  Ceanothus divergens John Thomas Howell 1941-3-9 16154 Napa W. of Rutherford. Comment
  CAS-BOT-BC64443  Ceanothus divergens Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa Canyon. Comment
  POM125424  Ceanothus divergens Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena. Comment
  JEPS42389  Ceanothus foliosus W. L. Jepson 1893-5-1 14019 Napa at divide, Franz Valley grade from Calistoga Comment
  RSA292971  Ceanothus foliosus Reino Alava 1957-5-30 1014 Napa along the road 2.5 miles from the town of Pope Valley on the road to St. Helena Comment
  SJSU5714  Ceanothus foliosus L. S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 243 Comment
  UC1070627  Ceanothus foliosus A. Lewis 1932-5-13 75 A Napa 4 mi up Dry Creek; Napa quad. 304 Comment
  UCD112127  Ceanothus foliosus Ray Prag 1971-1-31 180 Napa near Las Posadas State Forest. Comment
  CAS-BOT-BC50914  Ceanothus foliosus var. foliosus Brandegee 1890-5-1 48 Napa Mt. St. Helena Comment
  JEPS110717  Ceanothus foliosus var. foliosus Jake Ruygt 1976-5-6 59 Napa 4.3 miles NE of Westgate Dr. on Atlas Peak Rd. 408 Comment
  UC1736301  Ceanothus foliosus var. foliosus Dean W. Taylor 1998-6-3 16451 Napa Livermore Road, edge of roadway bordering walnut orchard, ca. 1 air mile S of Three Peaks 640 Comment
  UCD73422  Ceanothus foliosus var. foliosus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  JEPS110861  Ceanothus integerrimus Jake Ruygt 1994-5-2 3365 Napa Butts Canyon Road, .2 mile north of Snell Valley Road 207 Comment
  UCD162738  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1625 Napa Butts Canyon Road, roadside. 222 Comment
Read comments
Dec 8 2016
  UCD169649  Ceanothus integerrimus Jake Ruygt 2012-5-19 5840 -B Napa Crystal Flats, west of Putah Creek. 121 Comment
  UCD169651  Ceanothus integerrimus Jake Ruygt 2010-5-6 5546 Napa Snell Valley Road ant [sic] Butts canyon Rd. 198 Comment
  OBI10455  Ceanothus jepsonii R. L. Hoover 1968-4-20 65 Napa Butts Cyn rd at napa-Lake cnty boundary, on E side of road Comment
  SBBG4343  Ceanothus jepsonii L. Rowntree 1930-7-15 Napa Sage Cyn Comment
  UCD112060  Ceanothus jepsonii Roman Gankin 1966-2-26 678 Napa Next to roadway at gate; property west of Macdonald Ranch, Las Posadas State Forest. Comment
  UCD118607  Ceanothus jepsonii William Goss; 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. 407 Comment
  RSA52713  Ceanothus jepsonii subsp. albiflorus I. L. Wiggins 1949-4-30 12095 Napa Along old toll road between Calistoga and Middletown. 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
  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
  JEPS110857  Ceanothus oliganthus var. sorediatus Jake Ruygt 1979-4-21 537 Napa Milliken Canyon 121 Comment
  POM182687  Ceanothus oliganthus var. sorediatus D. D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  RSA398923  Ceanothus oliganthus var. sorediatus Robert M Specht 1977-4-18 681 Napa Along N side of Develhead road in basin betw small hillocks. 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
  UCD112319  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 s.n. Napa Wooden Valley Grade. Comment
  UCD49124  Ceanothus oliganthus var. sorediatus S. Murphy; K. Keck and K. Dyer 2002-5-5 10 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 450m. 327 Comment
  CAS-BOT-BC53177  Ceanothus parryi C. Hart Merriam 1915-6-19 s.n. Napa Ridge west of Napa (between Napa and Sonoma, above Sequoia Resort) Comment
  CAS-BOT-BC53182  Ceanothus parryi Lester Rowntree 1933-4-17 s.n. Napa Near St. Helena Comment
  CAS-BOT-BC53213  Ceanothus parryi Joseph P. Tracy 1902-5-21 1583 Napa Howell Mountain, on hills at head of Moore's Creek, 3-4 miles east of Angwin's 365 Comment
  CAS-BOT-BC53225  Ceanothus parryi John Thomas Howell 1931-4-2 6057 Napa Wooden Valley Grade 4.5 miles east of Napa Comment
  SD7265  Ceanothus parryi T. S. Brandegee June 1889 Napa Mt St Helena Comment
  UC18397  Ceanothus parryi Willis L. Jepson 1894-10-14 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC79859  Ceanothus parryi Katharine Brandegee 1889-4 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCSB10935  Ceanothus parryi Dearing, Hugh; Dearing, Margaret 1939-5-2 Napa Dry Creek Road Comment
  CAS-BOT-BC52184  Ceanothus purpureus 1927-4-1 s.n. Napa unspecified Comment
  CAS-BOT-BC52191  Ceanothus purpureus H. E. McMinn 1923-5-25 964 B Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52192  Ceanothus purpureus s.n. Napa unspecified Comment
  CAS-BOT-BC52196  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 Comment
  UCD112677  Ceanothus purpureus Beecher Crampton 1963-9-25 6907 Napa Summit Howell Mtns. State Hwy. 37 east of Napa. Comment
  UCD73426  Ceanothus purpureus Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD82601  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5539 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 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
  UCSB40793  Ceanothus purpureus Haller, John 1979-5-4 Napa Mead Ranch, near Atlas Peak Road, about 5 miles (by road) north of State Highway 121 and 9 miles north of Napa 487 Comment
  POM172088  Ceanothus purpureus Lester Rowntree 1930-7-15 s.n. Napa On Hogsback, 7 miles east of Napa Comment
  SEINET12210810  Ceanothus purpureus W. Knight, Knight, I. 1982-1 4658 Napa Tilden Botanic Garden, Berkeley Comment
  POM202749  Ceanothus ramulosus I. L. Wiggins 1932-3-12 5766 Napa Hillside between Calistoga and Franz Valley. Comment
  CAS-BOT-BC52891  Ceanothus velutinus Milo S. Baker 1926-4-10 202 Napa Mt. St. Helena 822 Comment
  CAS-BOT-BC52896  Ceanothus velutinus Brandegee 1889-4-1 3 Napa Mt. St. Helena Comment
  JEPS42407  Ceanothus velutinus W. L. Jepson 1893-9-23 14012 Napa Mt. St. Helena Comment
  RSA391524  Centaurium muehlenbergii Robert Gustafson, Don Reynolds 1983-6-7 2741 Napa Snell Valley Road, about one mile northeast from the junction of Butts Canyon Road. Comment
  UCD170454  Centaurium tenuiflorum Daniel Potter; Ninh Khuu 2016-6-8 883 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  UC153951  Centaurium trichanthum Joseph P. Tracy 1899-7-5 437 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  JEPS46950  Centaurium trichanthum Willis L. Jepson 1892-7-28 14639 Napa near Knoxville Comment
  UC73535  Centaurium venustum Miss M. Alice King Napa St. Helena Comment
  UCD35668  Centranthus ruber Beecher Crampton 1960-5-17 5538 Napa About 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  JEPS38152  Centromadia fitchii W. L. Jepson 1930-10-19 15688 Napa Pope Valley Comment
  CAS-BOT-BC272825  Centromadia parryi subsp. parryi David D. Keck; J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi. N. of the center of town at the geysers Comment
  UC89053  Centromadia parryi subsp. parryi T. S. Brandegee 1892-8-1 Napa Calistoga Comment
  JEPS33817  Centromadia parryi subsp. parryi C. C. Parry 1881-7-1 129 Napa Calistoga Comment
  CAS-BOT-BC279255  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  CAS-BOT-BC222946  Cephalanthus occidentalis H. E. McMinn 1922-6-8 208 Napa Along Pope Creek Comment
  JEPS51366  Cerastium glomeratum W. L. Jepson 1910-3-28 4028 Napa Rebecca Ranch Grade s.w. of Calistoga Comment
  CAS-BOT-BC388230  Cerastium glomeratum Peter H. Raven 1953-4-2 5233 Napa Imola 60 Comment
  UCD98040  Cerastium glomeratum K. Esau 1939-5-1 s.n. Napa Napa Valley. Comment
  OBI13275  Cercis occidentalis Lewis S. Rose 1955-4-4 55044 Napa Putah Crk, near Monticello Comment
  POM247249  Cercis occidentalis E. K. Crum 1937-8-8 1956 Napa Putah Canyon Creek, seven miles southeast of Monticello. Comment
  UCD105654  Cercis occidentalis D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 330 Comment
  UCD33088  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  CAS-BOT-BC135485  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-7-2 5758 Napa Near St. Helena Sanitarium Comment
  SBBG115436  Cercocarpus betuloides var. betuloides B. Crampton 1966-5-10 7715 Napa 9 mi E of Rutherford on St Hwy 128 Comment
  UC1543121  Cercocarpus betuloides var. betuloides Charlotte G. Nast 1936-3-27 38 Napa Putah Canyon Comment
  UC187521  Cercocarpus betuloides var. betuloides Katharine Brandegee July 1910 Napa e of Angwin (Howell Mountain); Howell Mountain 914 Comment
  UC859435  Cercocarpus betuloides var. betuloides Alice Eastwood, John Thomas Howell 1937-4-4 3831 Napa Grade e of Napa (Wooden Valley); Wooden Valley Comment
  UC26097  Cestrum parqui unknown 1893-1 Napa Napa City Comment
  HSC43985  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-13 656 Napa South-facing slope 488 Comment
  UC410440  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 Napa canyon between Monticello and Pope Valley Comment
  UCD149663  Chaenactis glabriuscula var. heterocarpha Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS875  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1897-6-2 Napa Conn Valley Ridge Napa Valley Basin Comment
  CHSC102530  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS106426  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1991-6-29 2761 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 115 Comment
  JEPS115779  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  RSA769220  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road,, about 20 air miles northwest of Winters 130 Comment
  UC1537004  Chamaesyce serpyllifolia Gordon H. True 1937-7-30 826 Napa near Aetna Springs 365 Comment
  RSA769218  Chenopodium album L. Ahart 2009-10-27 16483 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
  JEPS106819  Chenopodium ambrosioides Jake Ruygt 1991-8-24 2835 Napa Napa River at Bale Lane 80 Comment
  JEPS106820  Chenopodium berlandieri Jake Ruygt 1986-7-12 1867 Napa Imola Ave, east of Maxwell Bridge,Napa 2 Comment
  SEINET5764001 Image available Chenopodium berlandieri H. S. Reed 1948-1 2012 Napa Berryessa Valley, Putah Creek Comment
  UC924252  Chenopodium multifidum H. S. Reed 1948-11-5 2055 Napa Berryessa Valley Comment
  JEPS126101  Chenopodium murale Jake Ruygt 1986-10-12 1918 Napa Trancas Street east of Highway 29, Napa. Napa 7.5' Qua. Comment
  JEPS58858  Chimaphila menziesii Willis L. Jepson 1894-7-19 14655 Napa Mt. St. Helena near Toll House; Napa R. Basin, Mt. St. Helena Comment
  JEPS110855  Chorizanthe membranacea Jake Ruygt 1986-5-10 1763 Napa Devil's Canyon above falls 597 Comment
  UC912476  Chorizanthe membranacea H. L. Mason 1934-4-30 8104 Napa 5 mi s Monticello (tributary of Putah Creek); tributary of Putah Creek Comment
  CAS-BOT-BC252839  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-5 4603 Napa Petrified Forest Comment
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Apr 17 2018
  JEPS110782  Chorizanthe polygonoides var. polygonoides Jake Ruygt 1998-5-30 4005 Napa Table Rock 749 Comment
  CAS-BOT-BC252840  Chorizanthe polygonoides var. polygonoides Catherine Best 1980-4-12 s.n. Napa Rocky area on Stage Coach Canyon Road about 3 1/2 miles NW of Waller's Springs Comment
  LA36522  Chorizanthe polygonoides var. polygonoides J. M. Tucker; 1965-5-15 3827 Napa E side of Devilhead Rd, Cedar Valley, ca mi (airline) S, and a little W, of Knoxville 655 Comment
  UCD159464  Cichorium intybus D. S. Park 2010-8-13 218 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  UCD35635  Cirsium cymosum Beecher Crampton 1959-5-26 5266 Napa North end of Capell Valley, above Capell Creek. Comment
  OBI76869  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  OBI76875  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  CDA1305  Cirsium occidentale var. californicum G. D. Barbe, M. Foskett, D. Massey 1977-5-5 2254 -B Napa 2.7 km. west of Oakville; Oakville Grade, roadside cut west of summit. Comment
  CAS-BOT-BC286571  Cirsium occidentale var. venustum Alice Eastwood; John Thomas Howell 1939-6-11 7426 Napa Hood Mt. Range sw. of Oakville Comment
  JEPS59276  Cirsium occidentale var. venustum W. L. Jepson 1923-4-29 9890 Napa St. Helena Comment
  RSA0070870  Cirsium remotifolium J. T. Howell 1941-6-21 16314 A Napa Hills SW of St. Helena. Comment
  UC127474  Cirsium remotifolium var. odontolepis Harley P. Chandler Sep 7 1906-Sep 14 1906 7151 Napa Alta Loma Ranch Howell Mountain 487 Comment
  CDA11190  Clarkia concinna G. F. Hrusa 1988-4-16 5535 Napa North Coast Biodiversity Arena; 3/4 mile along Knoxville -Berryessa Rd. from junction of Hwy 128. Comment
  SBBG115750  Clarkia concinna B. Crampton 1953-5-19 1300 Napa 9 mi E of Rutherford Comment
  CAS-BOT-BC172179  Clarkia concinna Peter H. Raven 1950-6-20 2365 Napa Above Conn Valley Comment
  SEINET5740166 Image available Clarkia concinna Kathleen Barnes 1973-1 52 Napa Chiles Road, 1 mile S from its junction with Pope Valley Road. Comment
  UCSC009023  Clarkia concinna subsp. concinna Dylan M. Neubauer 2015-4-24 125 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  SJSU11005  Clarkia concinna subsp. concinna C. H. Brocker 1966-3-8 93 Napa Rancho Monticello by NW shore of Lake Berressa Comment
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Aug 26 2011
  UCD170162  Clarkia gracilis Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 775 Napa Knoxville Wildlife Area, chaparral above and west of Berryessa-Knoxville Road 400 Comment
  RSA155889  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa Lower Lake; Knoxville Road, 1.9 miles south of Lake Co. line Comment
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Jul 17 2015
  UC1234609  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa 1.9 mi s Lake County line (on Lower Lake-Knoxville road) Comment
  CAS-BOT-BC162478  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5-22 120 Napa Mountain slopes from Calistoga, to the Toll House Comment
  JEPS43654  Clarkia gracilis subsp. sonomensis W. L. Jepson 1904-5-28 2429 Napa St. Helena York Creek Comment
  UC1301109  Clarkia gracilis subsp. sonomensis Helen K. Sharsmith 1962-6-3 5117 Napa sw slope Mt. St. Helena (Old Toll Road); San Francisco Bay Region 609 Comment
  UC142979  Clarkia gracilis subsp. sonomensis Mrs. K. Brandegee 1910-5 120 Napa from Calistoga to Toll House Comment
  UC422847  Clarkia gracilis subsp. sonomensis H. P. Chandler 1907-5-26 7587 Napa White Sulphur Spring St. Helena Comment
  UCD54391  Clarkia gracilis subsp. tracyi Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. Knoxville Public Lands. 390 Comment
  RSA0060036  Clarkia gracilis subsp. tracyi Barbara Ertter, Annetta Carter 1989-5-28 8517 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  CAS-BOT-BC163695  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1953-5-2 5391 Napa Hills due e. of Yountville 243 Comment
  HSC82082  Clarkia purpurea subsp. quadrivulnera Thomas W. Nelson, Jane P. Nelson 1980-5-3 5135 Napa Along St. Helena-Pope Valley Rd., 1 mi. W of Angwin Comment
  JEPS110733  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1985-5-11 1592 Napa SE of corner of Butt's Canyon Rd. and Snell Valley Rd. 237 Comment
  UCD48059  Clarkia purpurea subsp. quadrivulnera M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 8 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 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
  SEINET7718946  Clarkia rhomboidea Unknown Napa Napa Comment
  RSA195386  Claytonia exigua subsp. exigua Gilbert Muth 1967-4-9 602 Napa Aetna Spring Road. 305 Comment
  UC83788  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena Comment
  UC634937  Claytonia gypsophiloides H. L. Mason 1926-3-3 2716 Napa Mt. St. Helena Comment
  UC725315  Claytonia gypsophiloides A. A. Heller 1929-3-16 14816 Napa grade near foot of Mt. St. Helena Comment
  CAS-BOT-BC233835  Claytonia parviflora subsp. parviflora R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6678 Napa Butt's Canyon, 10 mi. N. of Howell Mt. 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
  JEPS112611  Claytonia parviflora subsp. parviflora Jake Ruygt 1989-4-8 2253 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS77943  Claytonia parviflora subsp. parviflora Edward Lee 1936-3-15 1802 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD73383  Claytonia parviflora subsp. parviflora 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
  JEPS43334  Claytonia parviflora subsp. parviflora V. E. Ferguson 1920-4 320 Napa St. Helena and Carmel trips Comment
  UCD18014  Claytonia parviflora subsp. parviflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 559 Napa Napa County. McLaughlin Reserve. South side of Knoxville-Berryessa Rd., just north of Hunting Creek, SE of Research Hill, by turnout and gate. Joe Callizo calls this area 'Cloaca of Morgan Valley. 609 Comment
  CHSC59800  Claytonia perfoliata Carla de Leon 1975-5-4 20 Napa On mountainside facing Monticello Dam; just west of the county line on State Highway 128. 388 Comment
  UCD100748  Claytonia perfoliata M. Ramos 1996-4-20 6 Napa city of Calistoga, along side of road next to dried river bed. 137 Comment
  UCD15051  Claytonia perfoliata Robert Giorgis 1977-5-16 4 Napa California, Napa Co.; ca. 300 m south of Highway 128, 6.4 miles southwest of Monticello Dam; Comment
  UCD15053  Claytonia perfoliata Joe Smilanick 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  UCD20037  Claytonia perfoliata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1201 Napa South slope of Mt. St. Helena, in area where J.M. Tucker hybridized Quercus. Comment
  JEPS77941  Claytonia perfoliata subsp. perfoliata Edward Lee 1936-3-15 1797 Napa 0.75 mi out Rutherford (Rutherford-Pope Valley road) Comment
  UCD49146  Claytonia perfoliata subsp. perfoliata S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 30 B Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  UCD95627  Clematis lasiantha Bill Wengeler 1995-4-16 s.n. Napa West of city of Winters; 0.2 mi W of Monticello Dam along Hwy 128. 158 Comment
  JEPS55205  Clematis ligusticifolia Alice King July 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  UC1607971  Clematis ligusticifolia Donald G. Nelson 1940-8-7 718 Napa s of Pope Valley and east of St. Helena (along Soda Creek, Chiles Valley, Inner Coast Range Mts.); Inner Coast Range Mts., Chiles Valley, Soda Creek 85 Comment
  UC917146  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11 1/2 mi. from Winters (on rd. to Monticello) Comment
  CHSC22322  Collinsia grandiflora Robert A. Schlising; Greg Bos 1963-3-30 2473 Napa Coast Ranges. Pope Valley Road, 5.8 miles north of junction with Lower Chiles Valley Road. Comment
  POM298618  Collinsia greenei Lincoln Constance, J. F. Davidson, R. H. Shan, W. H. Wagner 1946-5-18 3046 Napa Near Mount St. Helena Inn, southeast slope of Mount St. Helena. Comment
  JEPS118638  Collinsia heterophylla B. Castro and L. P. Janeway 2002-5-12 1358 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. Jericho Valley 7.5' quad. Comment
  RSA195300  Collinsia heterophylla Gilbert Muth 1967-5-17 679 Napa Oat Hill Road, Calistoga. 244 Comment
  HSC38124  Collinsia heterophylla Thomas W. Nelson, Jane P. Nelson, James Nelson, J. P. Smith 1976-4-12 2351 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  UC192735  Collinsia heterophylla C. F. Sonne Apr 1897 Napa near Napa City Comment
  UCD169606  Collinsia heterophylla var. heterophylla Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  UCD123659  Collinsia sparsiflora R. L. Smith 1948-5-8 s.n. Napa Pope Valley. Comment
  UCD20036  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1202 Napa Mount Saint Helena, in area where J. M. Tucker hybridized Quercus. Comment
  POM204283  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Conn Valley. Comment
  UC147869  Collinsia sparsiflora var. arvensis J. P. Tracy 1902-5-18 1533 Napa 3-4 mi e Angwin (head Moore's Creek); Head Moore's Creek, Howell Mountain 518 Comment
  UCR139462  Collinsia sparsiflora var. arvensis J. T. Howell 1931-4-19 6464 Napa Coast Range, Conn Valley 183 Comment
  UCR17489  Collinsia sparsiflora var. arvensis E. Turula 1975-3-29 78 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  JEPS112528  Collinsia sparsiflora var. collina Jake Ruygt 1997-4-5 3823 Napa S of intersection of Butts Canyon Road with James Creek Road 207 Comment
  UC1196825  Collinsia sparsiflora var. sparsiflora Joseph P. Tracy 1933-4-30 12099 Napa 3-4 mi e Angwin (head of Moore's Creek, on hills); North Coast Ranges, Howell Mtn, Moore's Creek 396 Comment
  UCD123677  Collinsia sparsiflora var. sparsiflora G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12029 Napa University of California: Quail Ridge Reserve. 290 Comment
  SBBG6883  Collinsia sparsiflora var. sparsiflora H. and M. Dearing 1939-5-1 3246 Napa top of Spring Mtn grade Comment
  UC885506  Collinsia sparsiflora var. sparsiflora Lewis S. Rose 1939-4-16 39072 Napa 10 mi ne of Napa (Wooden Valley); Wooden Valley Comment
  UCSB9593  Collinsia sparsiflora var. sparsiflora Keator, Glenn 1959-3-28 Napa south end of Lake Hennessy, Napa range Comment
  UCD118735  Collomia diversifolia Katherine Graham; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD164496  Collomia diversifolia A. Amezcua 1995-4-29 20 Napa Along side of Aetna Springs Road, 3 km west of intersection with Pope Valley Road. 400 Comment
  SEINET8729290 Image available Collomia diversifolia Herbert L. Mason 1948-1 13570 Napa Near head of Butts Canyon Comment
  SBBG103168  Collomia heterophylla D. H. Wilken 1973-5-6 11925 Napa Las Posadas St Forest, 3 mi SE of Angwin 518 Comment
  UCD118132  Collomia heterophylla Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  JEPS75689  Cordylanthus mollis subsp. mollis Craig D. Thomsen 1976-7-27 Napa between Fagen Slough and Steamboat Slough; Napa River, Napa Marsh Comment
  UCD123103  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  JEPS41126  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-5 9138 Napa western end Calistoga (on Calistoga grade of Calif. Hwy 29; 6.6 mi from junction of Calif. Hwy 29 and 128) Comment
  POM193912  Cordylanthus pilosus subsp. pilosus J. T. Howell 1929-8-4 4361 Napa One mile below Samuel's Springs, Pope Creek Canyon. Napa range. Comment
  JEPS62598  Cordylanthus pringlei T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 B Napa just s Napa and Lake County line (on US Hwy 29) Comment
  JEPS50114  Cornus glabrata W. L. Jepson 1893-9-21 14149 Napa Wooden Valley Comment
  UC1280738  Cornus glabrata H. E. McMinn 1922-6-8 203 Napa along rd. by stream from Monticello to Napa; Napa Mts., Pope Creek Comment
  UCD161330  Cornus glabrata Jake Ruygt 1980-6-21 931 Napa Van Ness Creek. (Coordinates estimated by label maker at UC Davis). Comment
  SEINET3089139 Image available Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC932002  Cornus nuttallii Verne Grant and Alva Grant 1946-5-26 7634 Napa s.e. slope Mt. St. Helena Comment
  UCD13146  Cornus nuttallii Hilary Rypka 1981-5-2 34 Napa Napa CO. Mt. St. Helena. Highway 29, 7 miles southwest of Middletown. Elevation 3000'. 914 Comment
  UC21548  Cornus sericea subsp. sericea Willis L. Jepson 1894-1 Napa Napa R. near St. Helena; Napa R. Basin, Napa R. Comment
  JEPS129154  Cotula coronopifolia Jake Ruygt 1978-3-31 256 Napa 2.5 miles west of Highway 29 on Green Island Road. Cuttings Wharf 7.5' Quad. Comment
  UCD130901  Cotula coronopifolia David Lawfer 1952-4-20 150 Napa Napa. Comment
  CAS-BOT-BC427748  Crassula connata Peter H. Raven 1953-4-2 5242 Napa Hills e. of Imola 121 Comment
  UCD118566  Crassula tillaea Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  UCD144651  Crocanthemum scoparium 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
  UC1950068  Crypsis schoenoides Barbara Ertter with Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  UCD145270  Crypsis schoenoides Barry Hammel 1976-5-30 455 Napa Lake Hennessy. Comment
  JEPS106738  Cryptantha hispidula Jake Ruygt 1980-6-29 949 Napa across HWY from Circle Oaks 304 Comment
  UCD149661  Cryptantha hispidula Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UCD74373  Cryptantha hispidula Jake Ruygt 2004-5-8 4595 Napa Berryessay-Knoxville Rd., about 1.6 mi. north of Homestake tunnel. 640 Comment
  JEPS106701  Cryptantha intermedia Jake Ruygt 1982-5-15 1255 Napa Buzzard's Roost, Stag's Leap 585 Comment
  UCD161328  Cryptantha muricata Jake Ruygt 1980-5-13 884 Napa 3 miles south of Oakville Grade on Dry Creek Road. (Coordinates estimated by label maker at UC Davis). 182 Comment
  UCD74371  Cryptantha muricata Jake Ruygt 2004-5-29 4607 Napa Van Ness Canyon near old hunting camp. 579 Comment
  CAS-BOT-BC80720  Cupressus macnabiana H. E. McMinn 1925-1-24 1395 B Napa Pope Valley Canyon between Monticello & Pope Valley P.O. Comment
  CAS-BOT-BC80723  Cupressus macnabiana Elmer I. Applegate 1931-3-25 6621 Napa Near Mountain House, east base of Mt. St. Helena, northern Napa County Comment
  CHSC108742  Cupressus macnabiana B. Castro; L. P. Janeway 2002-5-12 1362 Napa Inner North Coast Ranges. SW-facing slope along Devilhead Road 0.5 mi south of Berryessa-Knoxville Road and Knoxville Creek. 487 Comment
  JEPS39757  Cupressus macnabiana W. L. Jepson 1920-5-25 9039 Napa Knoxville Ridge Comment
  CAS-BOT-BC85490  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 277 Napa Pope Creek in Pope Canyon Comment
  RSA15666  Cupressus sargentii C. B. Wolf 1928-2-25 1507 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  RSA6530  Cupressus sargentii Elmer I. Applegate 1931-3-25 6621 Napa Near Mountain House, east base of Mt. St. Helena, northern Napa County Comment
  SEINET3863406 Image available Cupressus sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 miles north of Pope Valley.; 0 Comment
  UC766773  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa a short distance below Lake County line; Butts Canyon 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
  UCD126264  Cuscuta californica Joe Solomone 1950-8-1 s.n. Napa above Monticello. Comment
  UCD167137  Cuscuta howelliana Jake Ruygt 2015-5-23 6108 e Napa West of Buck Mountain. 599 Comment
  JEPS129107  Cuscuta subinclusa Jake Ruygt 2015-6-20 6141 Napa Butts Canyon Road south of Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  SEINET197745  Cynoglossum grande R. C. Bechtel 1952-3-16 19 Napa Putah Canyon Comment
  UCD119154  Cynoglossum grande Collector unknown Date unknown s.n. Napa location unknown. Comment
  CAS-BOT-BC190369  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Hills southwest of St. Helena. Comment
  CHSC33995  Cynosurus echinatus J. D. Prouty 1980-4-12 861 Napa Roadbank of Hwy 29 ca. 4.5 mi sw of summit at R.L. Stevenson State Park. 243 Comment
Read comments
Mar 30 2009
  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
  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
  UCD73511  Cyperus eragrostis Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  SD211488  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey circa 15 airmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges; East of boat-launching ramp on Southeast edge 91 Comment
  JEPS122996  Dactylis glomerata Jake Ruygt 1983-6-5 1488 Napa Oak Shores Resort, Lake Berryessa. Quad: Lake Berryessa. Comment
  JEPS106659  Deinandra corymbosa Jake Ruygt 1980-6-1 908 Napa Milton Rd. across from Yacht club 0 Comment
  UCD161519  Deinandra corymbosa Jake Ruygt 1990-5-11 2536 Napa Green Island Road at first bend in road. 8 Comment
  UC1607856  Delphinium decorum C. G. Nast 1936-3-27 85 Napa Child's Canyon Comment
  POM161348  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mt, 10 miles W of St Helena Comment
  JEPS110726  Delphinium hesperium subsp. hesperium Jake Ruygt 1998-5-20 3991 Napa Sage Canyon Road about 1/3 mile west of inter. Chiles-Pope Rd 100 Comment
Read comments
Aug 15 2010
  CAS-BOT-BC10110  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC10113  Delphinium hesperium subsp. pallescens George Ledyard Stebbins 1967-5-31 6523 Napa Cedar Valley south of Knoxville 609 Comment
  JEPS110987  Delphinium hesperium subsp. pallescens Jake Ruygt 1992-5-2 2924 b Napa Snell Valley 195 Comment
  UC160955  Delphinium hesperium subsp. pallescens Joseph P. Tracy 1902-5-21 1588 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 304 Comment
  UCD48153  Delphinium hesperium subsp. pallescens Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 18 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CHSC40063  Delphinium nudicaule L. Constance 1938-3-27 2041 Napa Above Wooden Valley 8 mi. NE. of Napa, E. slope of Howell Mountains, North Coast Ranges. 457 Comment
  JEPS23353  Delphinium nudicaule Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Comment
  RSA787108  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -b Napa Napa range, along Napa-Monticello road. Comment
  UC906516  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa 5 mi above Napa (side gulch); Sarco Creek Comment
  UC1126049  Delphinium patens A. Lewis 1932-5-13 73 Napa Calabasas Creek Napa Quadrangle 365 Comment
  UCD96535  Delphinium patens W. M. Grannell 1950-3-10 4 Napa Putah Canyon. Comment
  JEPS110983  Delphinium patens subsp. patens Jake Ruygt 1999-5-8 4147 Napa Mead Ranch, near north gate. 426 Comment
  CAS-BOT-BC116489  Delphinium patens subsp. patens P. H. Raven 1950-5-6 2014 Napa Wooded slopes above the place where the W. Branch of the Napa River meets Rt. 29 approx. 1 mi. n. Calistoga 152 Comment
  POM150572  Delphinium uliginosum C. F. Baker 1903-5-8 s.n. Napa Knoxville. Comment
  RSA183435  Delphinium uliginosum Alva Day 1965-5-15 65 -126 Napa Cedar Valley, west of Lake Berryessa. Comment
  SFV1290  Delphinium uliginosum A. Day 1965-5-15 65 126 Napa Cedar Valley, west of Lake Berryessa. Comment
  UCD141587  Delphinium uliginosum Ellen Dean 2013-4-27 7708 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  SEINET5718464 Image available Delphinium uliginosum James W. Katberg 1966-1 45 Napa Cedar Valley, south of Knoxville.; Cedar Valley Comment
  CAS-BOT-BC7912  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville 243 Comment
  UC9251  Delphinium variegatum subsp. variegatum F. T. Bioletti May 1891 Napa Comment
  JEPS110778  Dendromecon rigida Jake Ruygt 1987-5-16 1991 Napa Bismark Knob 606 Comment
  CAS-BOT-BC656  Dendromecon rigida subsp. rigida Amos Arthur Heller 1940-6-13 15737 Napa East side of Mt. St. Helena on the rd leading to the summit just above the jctn. of the trail from the Stevenson Tablet. Comment
  CAS-BOT-BC660  Dendromecon rigida subsp. rigida Mary Katherine (Mrs.) Brandegee 1910-5-1 94 Napa Mt. St. Helena, on slopes back of the Toll House 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
  JEPS122989  Deschampsia danthonioides Jake Ruygt 1982-4-29 1213 Napa Suscol plain between Kaiser (Napa Pipe) and Highway 29 (221). Quad: Napa. Comment
  UC1746020  Deschampsia danthonioides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2773 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD148245  Deschampsia danthonioides Robert E. Preston 2013-4-6 2906 Napa Calistoga, on N side of old landing strip, at east end. 104 Comment
  CAS-BOT-BC201722  Deschampsia elongata Alice Eastwood 1922-5-4 11253 Napa Calistoga Comment
  UCD149576  Deschampsia elongata 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
  SEINET7072770  Dichelostemma capitatum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  UC143048  Dichelostemma capitatum C. F. Baker 1903-4-20 2612 Napa Mt. St. Helena Comment
  UCD14946  Dichelostemma capitatum Glen Dreyer 1977-4-16 35 Napa California, Napa Co.; ca. 4 miles west of Monticelo Dam, about 20 ft. off of Highway 128; Comment
  CAS-BOT-BC499416  Dichelostemma capitatum Peter H. Raven 1953-5-2 5388 Napa Hills due e. of Yountville 243 Comment
  CAS-BOT-BC499417  Dichelostemma capitatum Ira L. Wiggins 1928-3-24 2864 Napa Grade on road to Lake Co. above Colistoga Comment
  CAS-BOT-BC499418  Dichelostemma capitatum Willis L. Jepson 1897-1-1 s.n. Napa St. Helena, Napa River Basin Comment
  UC3246  Dichelostemma capitatum Willis L. Jepson 1893-1 Napa e of St. Helena; Napa River Basin Comment
  UCD117811  Dichelostemma capitatum subsp. capitatum Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 Comment
  UCD139436  Dichelostemma capitatum subsp. capitatum M. R. Wanzer 1948-4-3 4 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  POM169428  Dichelostemma capitatum subsp. capitatum C. F. Baker 1903-4-20 2612 Napa Mt. St. Helena. Comment
  UCD82593  Dichelostemma congestum Ellen Dean; T. Starbuck 2009-5-4 5532 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD83668  Dichelostemma congestum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 3 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  SJSU10162  Dichelostemma multiflorum J. F. Yoshimoto 1961-5-6 Napa Napa Valley Comment
  UCD96200  Dichelostemma multiflorum Ellen Dean; with Clare Loughran 2011-5-20 7078 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
  HSC43971  Dichelostemma volubile Robert M. Specht 1977-5-14 891 Napa Near junction of Develhead Rd. and Morgan Valley Rd. 463 Comment
  JEPS110906  Dichelostemma volubile Jake Ruygt 1978-5-7 298 Napa 1.4 miles east f Spanish Flat turnoff on HWY 128 146 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
  UCD48786  Dichelostemma volubile A. Collier; D. Caterson and S. Kenady 2002-5-4 9 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 15 m. 350 Comment
  UCD68012  Dichelostemma volubile P. J. Plummer 1995-6-5 s.n. Napa Napa County Highway 128, on roadside. 73 Comment
  UCD14205  Dichelostemma volubile William Tierney 1973-5-12 77 Napa along Highway 128, 10 miles west of Winters, near Monticello Dam; 228 Comment
  SJSU10417  Diplacus aurantiacus J. Paravantes 1973-5-5 Napa Soda Canyon Rd 5 mi N of intersection with Siverado Trail (rd) 304 Comment
  CAS-BOT-BC153281  Diplacus kelloggii David D. Keck 1931-4-4 1089 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  CAS-BOT-BC153411  Diplacus layneae Alice Eastwood 1915-6-6 4674 Napa Mt. St. Helena Comment
  JEPS8810  Dipsacus sativus W. L. Jepson 1936-5-30 17561 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  UCD37940  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  JEPS115761  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 miles (air) west of Winters 152 Comment
  RSA15626  Dodecatheon hendersonii Carl B. Wolf 1928-2-25 1480 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD117942  Dodecatheon hendersonii Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Just northeast of the fire station about 0.1 mile down undeveloped road. Northwest side of road. 518 Comment
  UCD118964  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa Along trail running along southwest side of Lake Berryessa, 100m from Knoxville Rd. 250 Comment
  HSC17857  Dodecatheon hendersonii Greg Bos 1963-3-30 53 Napa 2.5 mi. up the Old Toll Rd. out of Calistoga. E slope 305 Comment
  POM78451  Dodecatheon hendersonii C. F. Baker 1903-4-20 2616 Napa Mt. St. Helena. Comment
  RSA461376  Dodecatheon hendersonii H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  UC1178842  Dodecatheon hendersonii Herbert L. Mason 1926-3-14 2717 Napa sw slope Mt. St. Helena Comment
  JEPS106567  Downingia concolor var. concolor Jake Ruygt 1978-5-14 308 Napa .3 miles south of Oak Knoll Ave. on Silverado Trail;east 19 Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  JEPS29133  Downingia pusilla John H. Weiler 1960-4-22 60103 Napa 2.1 mi s Napa State Hospital entrance (at the side of State Highway 29) Comment
  POM263488  Draba verna J. C. Roos 1939-2-21 299 Napa Near Angwin, Napa Range. Comment
  UC420566  Drymocallis glandulosa var. wrangelliana H. P. Chandler 1907-5-14 7583 Napa St. Helena , St. Helena (White Sulphur Spring) Comment
  CAS-BOT-BC70948  Dryopteris arguta Carl B. Wolf 1928-5-3 1841 Napa base of Mt. St. Helena Comment
  CHSC31985  Dryopteris arguta L. Ahart 1976-3-7 1020 Napa Above Monticello Dam, ca. 2 mi sw of Monticello Dam. 152 Comment
  CAS-BOT-BC70947  Dryopteris arguta Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, side of Mt. Veeder Comment
  SEINET267030 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 673031 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS49910  Dudleya caespitosa H. P. Chandler 1907-5-14 7570 Napa White Sulfer Springs St. Helena Comment
  UCD15006  Dudleya cymosa Eva Kuuth 1977-5-2 205 Napa Along the Berryessa-Knoxville Rd., 0.5 mile NE of the junction with Highway 128; Comment
  UCD161524  Dudleya cymosa Jake Ruygt 1990-6-9 2582 Napa Huichica Creek south of Lovall Valley. 170 Comment
  UCD101897  Dudleya cymosa subsp. pumila Bill Wengeler 1995-4-30 s.n. Napa 0.2 mile N of Hwy 128 along Knoxville Road. 183 Comment
  UCD148745  Dysphania multifida Jake Ruygt 1981-7-12 1075 Napa Napa County, Napa. Suscol Ave. south of Silverado Trail. 6 Comment
  CAS-BOT-BC445822  Egeria densa Alice A. Ackley 1968-8-29 s.n. Napa Along main highway at Hoffman Road crossing, Yountville Comment
  JEPS120399  Elatine brachysperma Jake Ruygt 1979-4-28 556 Napa .3 [0.3] miles west of Suscol Ave. on Imola Ave. Comment
  UCD161351  Eleocharis bella Jake Ruygt 1986-8-23 1909 c Napa Lake Hennessey near treatment plant. (Coordinates estimated by label maker at UC Davis). 94 Comment
  CAS-BOT-BC112222  Eleocharis rostellata Peter H. Raven 1957-5-5 10753 Napa Near hot springs runoff, Calistoga 91 Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa 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
  UC1103203  Elymus glaucus J. P. Tracy 1899-6-13 347 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UC187088  Elymus glaucus J. P. Tracy 1902-5-21 1595 Napa 3-4 mi e Angwin (head of creek); Howell Mountain, Morre's Creek 396 Comment
  CAS-BOT-BC203599  Elymus glaucus subsp. glaucus Peter H. Raven 1957-5-5 10779 Napa Hills at western edge of Calistoga 182 Comment
  UCD62697  Elymus trachycaulus Beecher Crampton 1957-6-4 4106 Napa Above Capell Creek, north end of Capell Valley. Comment
  CAS-BOT-BC204246  Elymus trachycaulus subsp. subsecundus Peter H. Raven 1951-10-28 3927 Napa Conn Valley 152 Comment
  HSC43935  Emmenanthe penduliflora Robert M. Specht 1977-4-26 789 Napa N from Adams Creek on N side 470 Comment
  UC1177088  Epilobium brachycarpum Peter H. Raven 1952-9-14 5167 Napa Yountville 106 Comment
  UCD160706  Epilobium campestre Ellen Dean; Jake Ruygt 2015-5-23 8765 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  CAS-BOT-BC166343  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi. west of Monticello on road to [Lowerlake] Lower Lake Comment
  JEPS44032  Epilobium canum subsp. canum Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon Napa River Basin, St. Helena Comment
  UCR44915  Epilobium ciliatum L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  JEPS110715  Epilobium minutum Jake Ruygt 1991-5-11 2669 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  UCD170662  Epilobium minutum 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD106906  Epilobium torreyi K. Esau; D. Hartmann 1941-7-17 s.n. Napa Near Middletown. Comment
  UCD63747  Epipactis gigantea Daniel Sanchez-Mata; Emin Ugurlu 2006-6-22 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 580 Comment
  UCD167068  Equisetum laevigatum Jake Ruygt 2004-7-24 4631 Napa Eticuera Creek about 1 mile south of Long Canyon Creek. Comment
  CHSC102293  Eragrostis hypnoides Lowell Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  UC1950194  Eragrostis hypnoides Barbara Ertter with Elizabeth Neese 1988-10-2 7972 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge Comment
  UC604619  Erigeron greenei Joseph P. Tracy 1938-8-7 16089 Napa Soda Creek Canyon Napa Valley, Soda Creek Canyon 91 Comment
  JEPS68365  Erigeron petrophilus var. petrophilus L. R. Heckard 1972-6-26 2999 Napa se of lookout on peak Mt. St. Helena (below radar station) 1188 Comment
  HSC43918  Eriodictyon californicum Robert M. Specht 1977-4-13 657 Napa South-facing slope 488 Comment
  RSA602572  Eriodictyon californicum Louis C. Wheeler 1952-8-30 6878 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SEINET265706  Eriodictyon californicum Royal D. Suttkus 1967-6-26 67- 30 -17 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD148826  Eriodictyon californicum Ellen Dean; Diana Hickson 2014-4-29 8131 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD170809  Eriodictyon californicum 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  CAS-BOT-BC242609  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mts. Comment
  UCD99893  Eriogonum dasyanthemum Christine Lowrie 1972-5-17 35 Napa Napa County Comment
  CAS-BOT-BC266065  Eriogonum luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mountains Comment
  JEPS19661  Eriogonum luteolum W. L. Jepson 1934-10-16 16893 Napa in vineyard below Four Corners; Howell mt. Comment
  RSA102056  Eriogonum luteolum John H. Redfield 1872-8-28 328 Napa Prope Calistoga Comment
  UCD164782  Eriogonum luteolum var. caninum Jake Ruygt 2009-5-22 5414 Napa American Canyon, across road from quarry. 161 Comment
  RSA491701  Eriogonum luteolum var. luteolum James L. Reveal 1987-6-7 6411 Napa Along Oakville Grade, 1.5 miles southwest of Oakville, about 6 airline miles south of St. Helena 244 Comment
  UC6530  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  UCD164785  Eriogonum luteolum var. luteolum Jake Ruygt 2000-9-1 Napa Aetna Springs Rd just beyond resort. 259 Comment
  JEPS56705  Eriogonum luteolum var. luteolum W. L. Jepson 1930-10-19 15682 Napa Conn Creek, at mouth of Sage Canyon, edge of Napa valley on e side Napa Valley, Sage Canyon, Conn Creek 45 Comment
  UCD73440  Eriogonum nudum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  SBBG28223  Eriogonum nudum var. oblongifolium S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mtns Comment
  CAS-BOT-BC253059  Eriogonum roseum John Thomas Howell 1930-10-19 5604 Napa Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  SEINET11934232  Eriogonum tripodum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -301 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  UC1925868  Eriogonum vimineum Ethel Crum October 1930 910 Napa Conn Creek to Pope Valley 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
  JEPS34727  Eriophyllum lanatum var. achilleoides W. L. Jepson 1936-6-2 17600 Napa Sanitarium, e of St. Helena Comment
  OBI54925  Eriophyllum lanatum var. achilleoides Kathleen Faustini 1980-5-5 23 Napa Rte 128 approx. 3 mi E of dam Comment
  UC165864  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2092 Napa near Calistoga (e side of Napa Valley); Northern Coast Ranges, Napa Valley 243 Comment
  UCD16045  Erodium cicutarium R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 28 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown clay, moist soil, near river, flat ground, sunny. Herb, 8-13 cm tall, flowers lavender. Comment
  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
  UCD170346  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 845 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 586 Comment
  OBI74549  Eryngium aristulatum David J. Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 3.0 mi south of turnoff to Homestake McLauglin Mine/Mill. 350 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
  RSA101849  Erysimum capitatum var. capitatum G. B. Rossbach, Ruth P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 mi NE of Napa. 488 Comment
  SEINET14045891 Image available Erythranthe microphylla Peta C. Lewis 1967-1 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  CAS-BOT-BC133294  Erythronium helenae Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  JEPS113963  Erythronium helenae Jake Ruygt 1976-4-15 10 Napa 3.1 miles west of Butts Canyon Road on Aetna Springs Road. Aetna Springs 7.5' Quad. Comment
  JEPS61839  Erythronium helenae W. L. Jepson 1924-4-27 10376 Napa Mt. St. Helena Comment
  UC643191  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa steep northerly slope just e Palisades (on old stage road, volcanic crater region); Mt. St. Helena Comment
  SEINET8397211  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa volcanic crater region of Mt. St. Helens; steep northerly slope just east of the Palisades on old stage road. Comment
  CAS-BOT-BC402792  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC402801  Eschscholzia caespitosa Peter H. Raven 1951-5-20 2849 Napa Hills w. Oakville 365 Comment
  CAS-BOT-BC402802  Eschscholzia caespitosa David D. Keck 1931-4-2 1043 Napa Near Cannon House, Steel Canyon, 8 miles south of Monticello, eastern Napa County Comment
  JEPS110735  Eschscholzia caespitosa Jake Ruygt 1994-3-15 3314 Napa Chiles Canyon Road about 1 mile from Chiles Valley 350 Comment
  UCD48074  Eschscholzia caespitosa R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 9 Napa Border of Yolo and Napa Counties, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  CAS-BOT-BC403341  Eschscholzia californica Alice Eastwood 1900-5-8 s.n. Napa Calistoga Comment
  SD8239  Eschscholzia californica Brandegee Apr 1888 Napa Mt. St. Helena. Comment
  UC126645  Eschscholzia californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7132 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD14360  Eschscholzia californica Kathi A. Zurakowski 1984-4-8 s.n. Napa Napa Co.; 0.73 miles along road towards the south shore of Lake Berryessa Resort (from where it begins); Comment
  HSC16780  Eschscholzia hypecoides Greg Bos 1963-3-24 44 Napa NW end of Lake Berryesa, at Putah Creek 168 Comment
  JEPS104492  Euphorbia crenulata Jake Ruygt 1994-3-15 3323 Napa Chiles Canyon Road about 1 mile from Chiles Valley 182 Comment
  JEPS129080  Euphorbia crenulata Jake Ruygt 2016-4-5 6177 b Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  JEPS48860  Euphorbia crenulata Elsa Kraeger 1926-3-28 Napa 0.5 mi from Mt. St. Helena Hotel (near Russ House) Comment
  UCD142417  Euphorbia oblongata R. Lawley 1972-5-1 s.n. Napa Highway 29 south of Calistoga. Comment
  JEPS52404  Euphorbia peplus W. L. Jepson 1936-7-2 17638 Napa garden borders of Sanitarium Howell Mt. (Howell Mt.); vicinity of San Francisco Bay, Howell Mt. Comment
  OBI74552  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  UCD142806  Euphorbia serpillifolia Freed W. Hoffman 1946-8-20 856 Napa Soda Creek. Comment
  CDA10900  Euphorbia spathulata G. F. Hrusa, M. Rejmanek 1993-5-15 10996 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA29762  Euthamia occidentalis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 220 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS75636  Festuca californica W. L. Jepson 1936-5-28 17543 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC766903  Festuca californica R. F. Hoover 1941-4-26 4926 Napa canyon n Pope Valley (on road to Butts Canyon) Comment
  UCD65856  Festuca californica subsp. californica Beecher Crampton 1962-5-16 6420 Napa 3.5 miles north of Conn Reservoir, western slope of Chiles Valley. Comment
  HSC26181  Festuca elmeri J. P. Smith, J. O. Sawyer 1970-5-17 3778 Napa 3 mi. S of Pope Valley Comment
  JEPS122943  Festuca idahoensis Jake Ruygt 1982-5-12 1244 Napa American Canyon Road, 0.7 mile east of Flosden Road. Quad: Cordelia. Comment
  SD180623  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa South end of Chiles Valley on highway 128 Comment
  RSA92797  Festuca rubra P. H. Raven 1951-5-20 2837 Napa West of Oakville. 91 Comment
  RSA132842  Filago californica John H. Thomas 1958-4-19 7110 Napa About 2 miles SW of Oakville. 152 Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  JEPS110713  Forestiera pubescens Jake Ruygt 1986-3-29 1673 Napa Toll Canyon 432 Comment
  CAS-BOT-BC454532  Fragaria vesca subsp. californica Alice Eastwood 1922-5-4 11249 Napa Calistoga Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC53522  Frangula californica subsp. tomentella Peter H. Raven 1951-10-28 3962 Napa Road n. of Knoxville 609 Comment
  CAS-BOT-BC53526  Frangula californica subsp. tomentella Carl B. Wolf 1928-2-25 1509 Napa 3 mi. No. of summit of the Mt. St. Helena Grade, near Lake - Napa Cos. Line. Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  UCD122028  Fraxinus dipetala Beecher Crampton 1969-6-30 8486 Napa 1 mile west Monticello Dam, State Hwy. 128. Comment
  UCD122053  Fraxinus latifolia Beecher Crampton 1968-5-8 8262 Napa 1/2 mile south of Calistoga. Comment
  UCD33444  Fraxinus latifolia Beecher Crampton 1968-5-8 8262 Napa 1/2 mile south of Calistoga. Comment
  CAS-BOT-BC26108  Fremontia napensis Cornelia S. Masters 1915-6-15 s.n. Napa unspecified Comment
  CAS-BOT-BC26115  Fremontia napensis Mrs. Myron Hobson 1926-5-10 s.n. Napa North side of Mt. St. Helena Comment
  RSA41909  Fremontodendron californicum Ella Dales Cantelow 1939-5-7 2529 Napa Just E of Napa - Lake Co line. Comment
  SBBG50813  Fremontodendron californicum N. Miller 1973-5-5 13 Napa St Hwy 128, 5 mi N of Moskowite Corner Comment
  SEINET5510213 Image available Fremontodendron californicum subsp. napense A. A. Heller 1941-1 16134 Napa North base of Mt. St. Helena, along State Highway 29 Comment
  CAS-BOT-BC130079  Fritillaria affinis Carl B. Wolf 1928-5-3 1836 Napa Base of Mt. St. Helena Comment
  CHSC25115  Fritillaria affinis J. E. Beitler 1970-3-29 5 Napa Path leading from Spring Mountain Road ca. 1.2 mi from Upper St. Helena Reservoir. 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
  UCD139718  Fritillaria affinis R. F. Denno 1967-4-15 48 Napa 1 mile north of Lower Chiles Valley Road, off of Highway 128. Inner Coast Range Transitional. 228 Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  JEPS113965  Fritillaria pluriflora Jake Ruygt 1996-2-24 3517 Napa NE of Big Basin about 3/4 mile. Jericho Valley 7.5' Quad. Comment
  JEPS113967  Fritillaria purdyi Jake Ruygt 1979-4-6 487 Napa .3 mile east of Butts Canyon Road, on Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  UCD169862  Fritillaria purdyi Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 796 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCD162118  Fritillaria recurva Dylan O. Burge 2014-3-15 1496 Napa Mount Saint Helena. 640 Comment
  UCSC010490  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  CAS-BOT-BC508189  Fritillaria recurva E. Crum 1936-3-15 s.n. Napa Butt's Canyon, Pope Valley - Middletown Road Comment
  RSA52739  Fritillaria recurva I. L. Wiggins 1949-4-30 12091 Napa Mount St. Helena near Lake Co. Line Comment
  UCD33568  Galium Beecher Crampton 1970-4-15 8559 Napa Napa County, north end of Capell Valley on Hwy. 128. Comment
  UCD48158  Galium andrewsii L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 12 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  JEPS52786  Galium andrewsii subsp. andrewsii G. Ledyard Stebbins 1964-5-24 6160 Napa gentle n-facing slope about 1/2 mi w Corona Mine (in hills w of Aetna Springs); Calistoga Quadrangle 670 Comment
  UCD49245  Galium aparine E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., near jct with South Decker Canyon Rd. 182 Comment
  JEPS52700  Galium bolanderi G. L. Stebbins Jr. 1963-6-12 6130 Napa along creek 2 mi s Lake Berryessa (s side of creek, n-facing slope); Pope Creek 149 Comment
  UCD49249  Galium boreale subsp. septentrionale L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 14 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 ft. S of the stream. 161 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
  UC602549  Galium divaricatum Joseph P. Tracy 1933-6-2 12469 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  UCR64599  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John 229 Comment
  POM196070  Galium nuttallii var. tenue L. F. Robbins 1926-3-26 s.n. Napa Putah Canyon. Comment
  UCD121896  Galium porrigens G. F. Hrusa; G. L. Stebbins 1994-4-14 11778 Napa Butts Canyon, 4 m. N Pope Valley. Along Butts Creek. 200 Comment
  JEPS6612  Galium porrigens var. porrigens W. L. Jepson 1944-5-21 27523 Napa 4 mi e Rutherford Comment
  JEPS85031  Galium porrigens var. porrigens Larry Heckard and Mary Ashton 1969-5-3 2208 Napa off the Atlas Peak Rd ca 7 mi ne Napa (slope above (s of) meadow); Mead Ranch 457 Comment
Read comments
Jan 19 2007
  JEPS110560  Galium triflorum Jake Ruygt 1979-5-4 575 Napa Trefethen hillside property 91 Comment
  CAS-BOT-BC199055  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  UCD160728  Garrya congdonii Ellen Dean 2015-5-23 8780 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCR198123  Garrya congdonii K. Carpenter, Ellen Dean, K. Chaney 2000-8-18 59 Napa UC McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, along west side of Devilhead Road, top of ridge by air quality station 561 Comment
  JEPS66756  Garrya flavescens W. L. Jepson 1936-2-8 17399 Napa near Four Corners (Adam and Eve Ridge); Howell Mt. 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
  CAS-BOT-BC144381  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  CAS-BOT-BC144382  Garrya fremontii H. E. McMinn 1923-5-25 961 b Napa Summit Wooden Valley Grade. Road to Napa. Comment
  JEPS66741  Garrya fremontii W. L. Jepson 1913-4-15 5316 Napa Howell Mt. 609 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
  CAS-BOT-BC208041  Genista monspessulana M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  JEPS64794  Genista monspessulana W. L. Jepson 1923-6-3 9972 Napa a little S of Calistoga (east-side road) Comment
  RSA0028368  Geranium carolinianum Carl B. Wolf 1928-5-3 1802 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD103394  Geranium dissectum M. Wiesendanger 1927-5-4 666 Napa Near Monticello. Comment
  UCD23414  Geranium molle Rebecca L. Moehlmann 1977-4-16 21 Napa Small purple flowers, notched petal. Pubescence both leaf surfaces. Foothill woodland with blue oak, digger pine. East side of Highway 128, 6.4 miles by road SSW of Monticello Dam. Wragg Canyon. 182 Comment
  UCR106835  Geranium molle Julie Knorr 1977-4-16 7 Napa Hwy 128, 6.4 mi west of Monticello Dam, steep N facing slope Comment
  SEINET5744393 Image available Geranium molle Peter Stekel 1974-1 21 Napa State Hwy 128 along N slope of Rag Creek headwaters, 4 miles E of junction of State Hwys 128 and 121.; Rag Creek 305 Comment
  UCD132710  Geranium purpureum Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park, in area near parking lot and around historic mill. 115 Comment
  JEPS21822  Geranium robertianum Margaret Whitmore 1958-4-3 33 Napa 3 mi nw Napa (on Redwood Road) 30 Comment
  POM203323  Gilia tricolor J. T. Howell 1931-4-4 6163 Napa Near Toll House, Mt. St. Helena Comment
  RSA304910  Gilia tricolor Jim Shevock 1971-4-8 919 Napa Hwy 29, near county line. 549 Comment
  JEPS18287  Githopsis specularioides Peter H. Raven 1957-5-5 10762 Napa w edge Calistoga 182 Comment
  UC1199057  Glycyrrhiza lepidota Joseph P. Tracy 1904-5-24 2080 Napa along river near Rutherford; Northern Coast Ranges, Napa River 60 Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  CHSC103004  Gnaphalium palustre Lowell Ahart 2009-10-12 16422 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
  UCD73518  Gnaphalium palustre Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS110682  Gratiola ebracteata Jake Ruygt 1986-4-26 1732 Napa 4.5 miles north of Westgate Dr. on Atlas Park Rd. 446 Comment
  UC1196813  Gratiola ebracteata J. P. Tracy 1902-5-18 1532 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's, La Jota Plateau, Howell Mountain); , , La Jota Plateau 518 Comment
  UCD148102  Grindelia camporum Jake Ruygt 1987-10-12 2107 Napa Putah Creek north of Berryessa Estates. 146 Comment
  UCR29431  Grindelia camporum Tracey Call, Viola Call 1964-6-19 2264 Napa North Coast Range, 3 mi north of Calistoga on hill 305 Comment
  CAS-BOT-BC304885  Grindelia hirsutula L. R. Abrams 1916-7-3 5779 Napa Road between Calistoga and Petrified Forest Comment
  CAS-BOT-BC304901  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  CAS-BOT-BC304902  Grindelia hirsutula John Thomas Howell 1932-10-8 10804 Napa Cuttings Wharf on Napa River Comment
  CAS-BOT-BC304910  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Lower slopes of Mt. St. Helena Comment
  JEPS106921  Grindelia hirsutula Jake Ruygt 1981-6-10 1053 Napa HWY 121 at Circle Oaks Dr. 292 Comment
  JEPS120421  Grindelia hirsutula Jake Ruygt 2010-8-14 5714 Napa Berryessa Estates picnic area adjacent to Putah Creek at junction with Butts Cr. Comment
  POM143656  Guillenia lasiophylla C. F. Baker 1903-4-20 2629 Napa Mt. St. Helena. Comment
  UC1112229  Hainardia cylindrica S. Galen Smith with J. Anderson 1957-6-7 2958 Napa 1.5 mi nw of Calistoga; Myrtledale Hot Springs 121 Comment
  UCD85237  Hainardia cylindrica S. Galen Smith; J. Anderson 1957-6-7 2958 Napa Myrtle Hot Springs, 1.5 miles northwest of Calistoga. 121 Comment
  CAS-BOT-BC302216  Harmonia nutans Barbara Ertter; Jeffrey Strachan 1980-5-9 3330 Napa Los [Las] Posadas State Experimental Forest on Howell Mountain 1-2 mi east of Angwin 548 Comment
  CAS-BOT-BC302217  Harmonia nutans Willis L. Jepson 1893-4-28 s.n. Napa Wooden Valley Grade, Napa River Basin Comment
  CAS-BOT-BC302224  Harmonia nutans Peter H. Raven 1953-5-2 5418 Napa Soda Creek Canyon ca. 2 mi. below Foss Valley 335 Comment
  CAS-BOT-BC302227  Harmonia nutans Paul F. Covel 1940-4-28 s.n. Napa Howell Mountain, near Pacific Union College Comment
  CAS-BOT-BC302228  Harmonia nutans R. Bacigalupi 1946-3-30 2775 Napa At Milliken Dam, on mesa west of reservoir, more or less 10 miles northeast of Napa Comment
  CAS-BOT-BC302233  Harmonia nutans Alice Eastwood 1923-5-9 11753 Napa Mt. St. Helena Comment
  CAS-BOT-BC302245  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  JEPS98943  Harmonia nutans Bruce G. Baldwin 1987-4-26 652 Napa immed. N of dirt road leading E from Las Posadas Fire Station, less than 0.1 mi E of station Las Posadas State Forest (Howell Mountain) Comment
  UC1301042  Harmonia nutans Helen K. Sharsmith 1963-4-20 5338 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  UC30653  Harmonia nutans Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  UC89166  Harmonia nutans Brandegee April, 1889 Napa Toll House Mt. St. Helena Comment
  UC894091  Harmonia nutans Alice Eastwood 1916-6-6 4664 Napa Mt. St. Helena Comment
  UC905678  Harmonia nutans David D. Keck 1931-4-2 1027 Napa 5.5 mi ne Napa; west side of Napa Range, Wooden Valley Grade 200 Comment
  JEPS106638  Helenium bigelovii Jake Ruygt 1996-6-15 3745 Napa White Cliff Springs, above Soda Valley (Soda Spring) 365 Comment
  UCD73444  Helianthella californica Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS21037  Helianthella californica subsp. californica W. L. Jepson 1904-6-3 2450 Napa Howell Mt. Comment
  JEPS33582  Helianthella californica subsp. californica W. L. Jepson 1938-5-24 18843 Napa plateau n Four Corners; Napa Range, Howell Mtn. 883 Comment
  CAS-BOT-BC314721  Helianthella californica var. californica J. Clausen 1935-5-23 1072 Napa Howell Mountain near summit 6.5 mi. N. of St. Helena Comment
  CAS-BOT-BC314722  Helianthella californica var. californica T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  UCD132905  Helianthus bolanderi G. F. Hrusa 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  JEPS35475  Helianthus bolanderi W. L. Jepson 1916-8-7 6842 Napa Howell Mt. Comment
  CAS-BOT-BC305616  Helianthus californicus John Thomas Howell 1933-8-27 11624 Napa Sage Canyon, Napa Range Comment
  JEPS105354  Helianthus exilis Dean W. Taylor 1994-10-7 14712 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  UCD170290  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 830 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 420 Comment
  CHSC102300  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  HSC100735  Heliotropium europaeum Lowell Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  CAS-BOT-BC306149  Hemizonia congesta subsp. clevelandii Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UCD161733  Hemizonia congesta subsp. congesta Jake Ruygt 2008-8-9 5364 Napa Big Ranch Road, south of El Centro Avenue, Van Winden property. 17 Comment
  JEPS106664  Hemizonia congesta subsp. lutescens Jake Ruygt 1996-9-7 3782 Napa Green Island Road about 1/2 mile from end of road. 2 Comment
  UC194237  Hemizonia congesta subsp. lutescens H. M. Hall 1916-8-6 10262 Napa 7 km s Napa Comment
  CAS-BOT-BC309839  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-10-28 3957 Napa Knoxville 457 Comment
  CAS-BOT-BC309840  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-6-26 3081 Napa Cappell Valley 365 Comment
  JEPS106662  Hemizonia congesta subsp. luzulifolia Jake Ruygt 1982-6-13 1313 Napa Cedar Roughs 271 Comment
  UC174177  Hemizonia congesta subsp. luzulifolia D. Cleveland 1882-8-23 Napa Aetna Springs Comment
  UC175022  Hemizonia congesta subsp. luzulifolia Katharine Brandegee Napa near Angwin Comment
  UC197527  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10094 Napa near Napa Junction (La Eskina); Region of San Francisco Bay Comment
  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
  OBI74556  Hesperocyparis macnabiana David J. Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S ofturnoff to Homestake McLaughlin mine/Mill 107 Comment
  UCD47750  Hesperocyparis macnabiana J Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk. 2000-4-22 14 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  SJSU149  Hesperocyparis sargentii Emily D. Smith 1935-11-11 Napa near head of St. Helena Cr c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  UC1736420  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UCD111676  Hesperolinon Christopher Mallek 2007-5-13 KX1- 6 Napa Knoxville. 593 Comment
  CAS-BOT-BC167425  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  JEPS32274  Hesperolinon bicarpellatum Jos. P. Tracy Jun 13 1899-Jun 19 1899 382 Napa Howell Mt. Comment
  OBI12551  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Cyn and Pope Valley on tributary of Pope Crk 274 Comment
  RSA151703  Hesperolinon bicarpellatum Joseph P. Tracy 1933-6-2 12480 Napa At head of Moore s Creek, 5 miles east of Angwin s. 396 Comment
  SD51708  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4070 Napa North of Cappell Valley road junction 3.8 miles, Steel Canyon. 305 Comment
  UC1212356  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4109 Napa above creek Sage Creek (w side of valley); Chiles Valley 30 Comment
  UC1212359  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4606 Napa 0.25 mi beyond north end of Pope Valley (near divide between Pope Valley and Butt's Canyon); Inner North Coast Ranges 259 Comment
  UC2014176  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Napa County: Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. Comment
  UCD167348  Hesperolinon bicarpellatum Jake Ruygt 2003-6-7 4541 Napa Mt. George/ Foote Botanical Preserve on 'Tupper road'. 298 Comment
  SD51691  Hesperolinon breweri Helen K. Sharsmith 1959-5-29 4711 Napa Southeast slope below rock spire west of junction of state highways 37 and 128, south end Cappell Valley. 274 Comment
  RSA92926  Hesperolinon breweri Peter H. Raven 1951-6-26 s.n. Napa Cappell Valley. 366 Comment
  CAS-BOT-BC488335  Hesperolinon californicum Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca 2 km N of Pope Canyon Rd intersection with Berryessa-Knoxville Rd. 140 Comment
  JEPS121545  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 233 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122801  Hesperolinon californicum Jake Ruygt 2005-6-4 4903 Napa SE end of Paradise Valley. QUAD: Jericho Valley. Comment
  JEPS122818  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-21 291 Napa East of Knoxville Berryessa Road at pullout by old chimney. Comment
  JEPS122877  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 618 Napa Lunch meadow site at McLaughlin Reserve Comment
  SD51663  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford. 152 Comment
  UC1212438  Hesperolinon californicum Helen K. Sharsmith 1952-5-17 4075 Napa edge of valley above Sage Creek (near junction of Pope Valley-Monticello road with road to Rutherford); Inner North Coast Ranges, Chiles Valley 240 Comment
  UC1212452  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4600 Napa s canyon slope 1/4 mi below Conn Dam (on chaparral slope above road from Rutherford to Pope Valley); Inner North Coast Ranges 121 Comment
  UC1212455  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4604 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1212522  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4039 Napa w side near creek Chiles Valley (road from Rutherford to Pope Valley); Inner North Coast Ranges 228 Comment
  UCD167294  Hesperolinon californicum Jake Ruygt 2007-5-19 5190 Napa Las Posadas State Forest, ridge between Moore Creek and Uncle John Creek. 414 Comment
  JEPS122781  Hesperolinon clevelandii Jake Ruygt 1980-6-22 943 Napa Scott's Flat, Aetna Mined Road. QUAD: Capell Valley Comment
  UC1212327  Hesperolinon clevelandii Helen K. Sharsmith 1952-6-19 4144 Napa about 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UCD164732  Hesperolinon clevelandii Jake Ruygt 2014-6-14 6002 Napa Ranch near Oat Hill. 619 Comment
  CAS-BOT-BC176051  Hesperolinon clevelandii John Thomas Howell 1939-7-13 5359 Napa On the edge of the Crater Country Comment
  UCD110504  Hesperolinon clevelandii P. Rodriguez-Rojo 1997-5-31 s.n. Napa Butts Canyon Rd. 285 Comment
  UCD110520  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 121 Comment
  UCD149658  Hesperolinon disjunctum 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
  CDA30785  Hesperolinon drymarioides V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 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
  UCD36936  Hesperolinon micranthum Beecher Crampton 1956-5-25 3452 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  UCR146397  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Inner North Coast Ranges, North end of Capell Valley, above Capell Creek 213 Comment
  JEPS6468  Hesperolinon micranthum W. L. Jepson 1944-6-15 27532 B Napa on summit of main ridge near Old Signal Station site; Napa-Solano Counties Comment
  UCD110538  Hesperolinon micranthum M. Ensign 1943-5-28 326 Napa 24 miles from Monticello on road to Lower Lake. Comment
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  JEPS122908  Hesperolinon spergulinum Adam C. Schneider 2015-7-23 939 Napa Along private road that runs west off of Pope Valley Rd Comment
  UC1601204  Hesperolinon spergulinum Helen K. Sharsmith 1951-10-21 4042 Napa 0.5 mi above Aetna Springs (near Aetna Mine); Inner North Coast Ranges 274 Comment
  JEPS32289  Hesperolinon spergulinum W. L. Jepson 1894-7-19 13542 Napa grade up Mt. St. Helena from Calistoga ((at schoolhouse)) Comment
  JEPS106574  Heterocodon rariflorum Jake Ruygt 1986-6-20 1828 Napa NW side of Mt. George 295 Comment
  JEPS20391  Heterotheca grandiflora W. L. Jepson 1934-10-19 16903 Napa flats by Napa River; St. Helena Comment
  JEPS20393  Heterotheca grandiflora W. L. Jepson 1939-9-11 19474 Napa nw of Saint Helena (at river bridge); Napa River Comment
  RSA518726  Heterotheca oregona var. compacta Barbara Ertter, E. Neese 1988-10-2 7949 Napa Lake Hennessey, ca. 15 airmiles NNW of Napa, on Conn Crk in North Coast Ranges. 91 Comment
  CAS-BOT-BC424163  Heuchera micrantha var. erubescens Alice Eastwood 1915-6-5 4577 Napa Petrified Forest Comment
  POM26857  Hoita macrostachya Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  CAS-BOT-BC324653  Holocarpha virgata John Thomas Howell 1930-10-19 5609 Napa 2 miles southeast of Aetna Springs, Pope Valley Comment
  UCD132322  Holocarpha virgata Beecher Crampton 1956-9-28 3882 Napa Southern Capell Valley. Comment
  UCD35477  Holocarpha virgata Beecher Crampton 1957-4-15 3933 Napa between Wragg Canyon and Capell Valley. Comment
  UCD63162  Holozonia filipes Jake Ruygt 1986-7-22 1884 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 448 Comment
  JEPS76119  Hordeum brachyantherum subsp. brachyantherum W. L. Jepson 1938-6-8 18893 Napa South Fork Butts Creek , Butts Canyon (Butts Canyon) Comment
  UCD85513  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UC1023500  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa E of Palisades (Crater Region) 762 Comment
  UCD37944  Hordeum brachyantherum subsp. californicum Beecher Crampton 1962-5-16 6424 Napa 6.4 miles S of Pope Valley, western slope of Chiles Valley. Comment
  UCD85462  Hordeum brachyantherum subsp. californicum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  CAS-BOT-BC284935  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC285093  Hordeum marinum subsp. gussoneanum David D. Keck 1933-5-29 2339 Napa Pope Creek bridge south of Walters Springs. South wall of Pope Creek Canyon Comment
  CAS-BOT-BC284761  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 A Napa Napa Comment
  CAS-BOT-BC284762  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 Napa Napa 9 Comment
  UC73773  Hordeum murinum subsp. leporinum J. Burtt Davy Apr. 1902 Napa St. Helena Comment
  UC679532  Horkelia californica subsp. dissita Milo S. Baker 1942-6-26 10208 Napa 1 mi e Pac. Theolog. Seminary; Pine Crest Comment
  CAS-BOT-BC536165  Horkelia californica var. elata Peter H. Raven 1950-6-20 2381 Napa Howell Mtn. on NNE side Road to Pope Valley Comment
  POM65334  Hydrophyllum occidentale C. F. Baker 1903-5-11 11589 Napa Knoxville. Comment
  UCD166690  Hypericum anagalloides Jake Ruygt 1982-6-29 1347 Napa on east side of Hwy 29, 0.3 mi south of Old Bale Mill. 88 Comment
  CAS-BOT-BC410804  Hypericum concinnum John H. Thomas 1955-5-21 5097 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC410806  Hypericum concinnum Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC410807  Hypericum concinnum John Thomas Howell 1926-10-3 2207 Napa Near top of Mt. St. Helena 1066 Comment
  CAS-BOT-BC410808  Hypericum concinnum H. E. McMinn 1923-5-25 963 Napa Summit of Wooden Valley grade Comment
  UC1198415  Hypericum concinnum Joseph P. Tracy 1933-6-2 12491 Napa ca. 1 mi. e. St. Helena (lower slopes Howell Mt.); Howell Mt. 152 Comment
  UC187748  Hypericum formosum var. scouleri Katharine Brandegee 1910-7-1 Napa Howell Mt. Comment
  POM182754  Iris D. D. Keck 1931-4-2 1026 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UC1134692  Iris douglasiana B. Schreiber 1936-5-3 2204 Napa 1.2 mi w Calistoga; Calistoga Quad. 152 Comment
  CHSC58402  Iris fernaldii Karen Blom 1975-5-16 22 Napa 1 mile north of State Highway 121 on Knoxville Road. Comment
  UCD138729  Iris fernaldii Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  UCD138726  Iris fernaldii Heidi E. M. Dobson 1978-4-8 298 Napa Mt. Veeder. Comment
  UCD14889  Iris fernaldii Olivia Shinomoto 1991-3-18 19 Napa along Highway 121, 7.7 miles south of the intersection with Highway 128; 365 Comment
  JEPS126061  Iris longipetala Jake Ruygt 2009-5-22 5411 Napa American Canyon, across road from quarry. Cordelia 7.5' Quad. Comment
  RSA10699  Iris macrosiphon Carl B. Wolf 1928-5-3 1788 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA123132  Iris macrosiphon A. Lewis 1932-5-14 79 Napa 3 miles up Dry Creek 152 Comment
  SEINET6193236 Image available Iris macrosiphon L. F. Robbins 1927-1 s.n. Napa Napa county Comment
  SEINET7073090  Iris macrosiphon A. G. Vestal 1963-4-7 s.n. Napa High shoulder on the wests side of Silverado Trail. Coordinate datum WGS84/NAD83. (38? deg. 33' 9" North Latitude, -122? deg. 29' 50" West Longitude, UTM Zone 10, 543809mE, 4267032mN. Coordinate datum: NAD27). Comment
  UCD149715  Iris macrosiphon Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD95898  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7043 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  RSA195364  Iris macrosiphon Gilbert Muth 1967-3-31 597 Napa Old Howell Mountain road. 457 Comment
  UC4271  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa Napa River Basin; trail to Caux's Cabin Comment
  CAS-BOT-BC57722  Isoetes howellii D. E. Breedlove 1974-4-27 36200 Napa along Silverado Trail just north of junction with Oak Knoll Road Comment
  UCD135860  Isoetes howellii W. R. Russell 1972-5-25 s.n. Napa Just west of State Highway 29 and south of Calistoga. Comment
  UC14915  Isoetes nuttallii J. P. Tracy 1902-5-19 1553 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  JEPS129148  Iva axillaris Jake Ruygt 1981-7-20 1071 Napa Napa Airport. Cuttings Wharf 7.5' Quad. Comment
  CAS-BOT-BC340125  Jaumea carnosa Peter H. Raven 1951-9-9 3907 Napa Slaughterhouse Pt., Napa River 0 Comment
  RSA12697  Juglans hindsii Carl B. Wolf, E. R. Johnson 1934-10-17 6197 Napa Munson Ranch, Napa Range, above Wooden Valley; This is an old Indian Camp Site 305 Comment
  UCD49097  Juglans hindsii Kook-Hyun Chung; C. Ineich, J. Deusterman, and M. Hauselt 2001-4-28 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd., 2 m N of road. 219 Comment
  CDA39577  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19938 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  JEPS126053  Juncus dubius Jake Ruygt 2010-6-26 5659 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  JEPS126055  Juncus ensifolius Jake Ruygt 2007-6-2 5218 a Napa Wild Lake, north of Friesen Lakes. Saint Helena 7.5' Quad. Comment
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga 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
  UCD168533  Juncus occidentalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UC1103052  Juncus occidentalis J. P. Tracy 1902-5-26 1639 Napa near Calistoga; San Francisco Bay Region, Napa Valley 91 Comment
  UC842739  Juncus occidentalis Lewis S. Rose 1935-6-4 35204 Napa e slope Mt. St. Helena 457 Comment
  JEPS122658  Juncus oxymeris Jake Ruygt 1991-6-29 2739 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  JEPS126057  Juncus oxymeris Jake Ruygt 2010-6-26 5660 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  UCD167053  Juncus xiphioides Jake Ruygt 1991-7-20 2794 Napa 3.2 miles north of Pope Canyon Road on Berryessa- Knoxville Road. 118 Comment
  UCD133720  Juniperus californica Robert E. Preston 1987-6-16 563 A Napa CA: Napa Co.: On and near the margins of a dry streambed, ca. 1.5 mi SE of Big Basin. 243 Comment
  CAS-BOT-BC236774  Keckiella breviflora H. E. McMinn 1922-6-8 207 Napa Along Pope Creek Comment
  JEPS10895  Keckiella lemmonii W. L. Jepson 1937-9-27 18573 Napa ne of St. Helena (on road to Sanitarium); Glass Mountain Comment
  POM161357  Keckiella lemmonii R. C. Bacigalupi 1928-6-20 1873 Napa Howell Mt. 10 miles west of St Helena. Comment
  UC917155  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 mi from Winters (on road to Monticello) 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
  UCD169865  Koeleria macrantha Daniel Potter; Peter Lash 2015-4-26 800 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  JEPS122892  Kopsiopsis strobilacea Adam C. Schneider 2015-3-28 919 Napa Robert Louis Stevenson St. Park. Trail to Mt. Helena. Comment
  SD147586  Laburnum anagyroides Greg de Nevers, Susan Charnley 1987-6-19 8229 Napa Robert Louis Stevenson State Park, Mt. St. Helena. 750 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
Read comments
Mar 3 2018
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC175976  Lagophylla minor J. P. Tracy 1902-5-15 1474 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 365 Comment
  RSA128654  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canyon. 305 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
  SEINET879048 Image available Lagophylla minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just south of Walters spring. Comment
  CAS-BOT-BC341556  Lagophylla ramosissima Rimo Bacigalupi 1928-6-20 1868 Napa Howell Mt. 10 miles west of St. Helena Comment
  CAS-BOT-BC341557  Lagophylla ramosissima Alice Eastwood 1918-9-3 7964 Napa Calistoga Comment
  CAS-BOT-BC341558  Lagophylla ramosissima L. R. Abrams 1916-7-2 5760 Napa Near St. Helena Sanitarium Comment
  UCD37730  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  CAS-BOT-BC341554  Lagophylla ramosissima Peter H. Raven 1951-6-26 3088 Napa Cappell valley to Wooden Valley 304 Comment
  RSA13382  Lagophylla ramosissima Daniel Cleveland, Michelle Cleveland 1882-8-26 s.n. Napa Actria Springs. Comment
  UCD133620  Lagophylla ramosissima K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  UCD81811  Lamarckia aurea Ellen Dean; Stephen Rae 2009-4-21 5438 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  CHSC10556  Lamium amplexicaule Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 304 Comment
  UCD124931  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa near St. Helena. Comment
  JEPS106675  Lasthenia californica Jake Ruygt 1996-4-22 3623 Napa Lewelling Ranch, St. Helena. 88 Comment
  JEPS106677  Lasthenia californica Jake Ruygt 1990-4-1 2455 Napa White Creek, Wild Horse Valley Ranch 371 Comment
  UC1222972  Lasthenia californica subsp. californica Joseph P. Tracy 1949-4-24 18291 Napa in saline flats at Myrtledale Hot Springs; Calistoga Comment
  JEPS106673  Lasthenia conjugens Jake Ruygt 1991-5-4 2635 z Napa Suscol Ridge Comment
  RSA181912  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga. Comment
  JEPS35411  Lasthenia glabrata subsp. glabrata W. L. Jepson 1915-4-23 6260 Napa Conn Valley Comment
  UCD159788  Lasthenia gracilis James A. Neilson Jr. 1975-4-13 3164 Napa Soda Canyon Road, near crest. 457 Comment
  JEPS10016  Lasthenia gracilis Helen-Mar Wheeler 1944-3-27 Napa roadside about 1.8 mi n south end of Conn Valley; Napa Range Comment
  JEPS10173  Lasthenia gracilis W. L. Jepson 1893-5-8 Napa below Mt. Eden (e of St. Helena); Howell Mountain Comment
  UCD13298  Lathyrus aphaca Stephanie Perez 1974-4-6 s.n. Napa Napa CO. Bickford residence, Ink Grade, 5 miles north of Angwin. Elevation 3000 feet. 914 Comment
  JEPS107273  Lathyrus hirsutus Jake Ruygt 1996-7-13 3773 Napa Angwin, near Sanitation ponds. 481 Comment
  CAS-BOT-BC213497  Lathyrus jepsonii subsp. californicus Peter H. Raven 1952-5-29 4092 Napa Napa River 1 mi. N Napa 60 Comment
  NY15638  Lathyrus puberulus G. Thurber 03 1852 485 Napa 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
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. Comment
  UCD106481  Lathyrus vestitus Paul C. Hutchinson 1963-3-3 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  POM29623  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1924-4-24 s.n. Napa Napa. 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
  JEPS107262  Lathyrus vestitus var. vestitus Jake Ruygt 1976-5-7 62 Napa 8.4 miles NE of Westgate Dr. on Atlas Peak Road 646 Comment
  JEPS107264  Lathyrus vestitus var. vestitus Jake Ruygt 1982-3-22 1141 a Napa Sugarloaf peak near Skyline Park 396 Comment
  UC15376  Lathyrus vestitus var. vestitus Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  UCD48942  Lathyrus vestitus var. vestitus S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  JEPS55366  Lathyrus vestitus var. vestitus Willis L. Jepson 1893-4-24 13636 Napa e of St. Helena; Napa River Basin Comment
  CAS-BOT-BC323199  Layia chrysanthemoides Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC323200  Layia chrysanthemoides H. M. Hall 1931-5-26 13084 Napa Sonoma-Napa Road. Comment
  HSC5916  Layia chrysanthemoides Greg Bos 1963-3-30 59 Napa 3 mi. S of Middleton on Butte Canyon Rd. Comment
  UC1301037  Layia chrysanthemoides Helen K. Sharsmith 1963-4-20 5334 Napa off Kelly Road (4 mi s of Napa); San Francisco Bay Region 45 Comment
  UC30602  Layia chrysanthemoides Willis L. Jepson 1894-1-1 Napa Napa River Basin , Conn Valley Comment
  JEPS106618  Layia gaillardioides Jake Ruygt 1980-4-22 841 Napa Pope Canyon Rd. at Walter Springs bridge (old) 195 Comment
  HSC43963  Layia platyglossa Robert M. Specht 1977-4-11 621 Napa Along drainage of Pocock Creek 500 Comment
  CAS-BOT-BC329303  Layia septentrionalis John Thomas Howell 1940-5-19 15458 Napa Upper St. Helena Creek Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS40030  Layia septentrionalis Willis L. Jepson 1893-5-2 Napa grade to Pope Valley from Calistoga; Palisades Comment
  UCD170351  Layia septentrionalis Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 850 Napa Just north of Nevada Creek, west, east, and south of Knoxville Wildlife Area boundaries due to indentation in the southern boundary. 392 Comment
  JEPS82340  Legenere limosa Robert F. Holland 1983-5-21 1230 Napa vernal pools a few hundred feet e Routes 12 and 29 (about 3.9 mi s of Route 121, about 1000 ft n of Suscol Creek) 30 Comment
  JEPS34473  Lemna minuscula L. R. Heckard 1964-5-23 1362 Napa about 2 mi sw of Aetna Springs (Cleary Reserve (Nature Conservancy)); Cleary Reserve (Nature Conservancy) 365 Comment
  RSA537691  Lemna minuta L. R. Heckard 1964-5-23 1362 Napa Cleary Reserve (Nature Conservancy), which is about 2 miles southwest of Aetna Springs 366 Comment
  JEPS129088  Leontodon saxatilis subsp. longirostris Jake Ruygt 2016-4-19 6197 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  UCD124950  Lepechinia calycina M. Ensign 1943-5-28 317 Napa 13 miles from Monticello on road to Lower Lake. Comment
  UCD74400  Lepidium acutidens Jake Ruygt 1994-2-23 3300 Napa Tubbs Lane at Myrtledale Rd., Calistoga. 122 Comment
  CHSC102265  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 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
  UCD20724  Lepidium latifolium Mark Bibbo; w/ Laura Wynholds 2002-7-20 65 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  UCD82341  Lepidium nitidum Robin McMaster 1973-4-20 331 Napa 14 mi S of Pope Valley. Comment
  JEPS53708  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Calistoga Comment
  UCD149632  Leptosiphon androsaceus Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCSC009025  Leptosiphon androsaceus Dylan M. Neubauer 2015-4-24 127 Napa (NCoRI) Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey 101 Comment
  UCD118576  Leptosiphon androsaceus John D. Atkin 1952-5-1 15 Napa on north slope of Portuguese Canyon, about 1 mile up Putah Creek from Recreation Beach. Comment
  UCD49208  Leptosiphon bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 16 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  JEPS129093  Leptosiphon jepsonii Jake Ruygt 2016-4-26 6214 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  JEPS120322  Leptosiphon latisectus Jake Ruygt 2005-4-17 4781 Napa Upper Swartz Creek near Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  UCD118508  Leptosiphon parviflorus Amber Kimpel; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD167237  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1998-4-27 3939 Napa NE corner of the county, on Blue Ridge. 865 Comment
  JEPS106629  Lessingia hololeuca Jake Ruygt 1996-10-19 3798 Napa SE corner of Tubbs lane and Myrtledale Road. 121 Comment
  JEPS106630  Lessingia hololeuca Jake Ruygt 1992-9-5 3142 Napa Tubbs Lane at Myrtledale Rd., Calistoga 122 Comment
  UC1287463  Lessingia ramulosa Willard Spence 1962-7-20 719 Napa 2 mi nw Pope Valley (on the road to Aetna Springs) Comment
  UC33165  Lessingia ramulosa H. N. Bolander 1863-1 2617 Napa Pope Valley Comment
  UCD38961  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa North end of Capell Valley above Capell Creek and along State Hwy. 128. Comment
  SEINET7075535  Lewisia rediviva A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC451587  Lilaea scilloides Peter H. Raven 1953-5-2 5364 Napa East of Yountville 76 Comment
  JEPS32124  Lilaea scilloides Willis L. Jepson 1893-4-26 14598 Napa near Yountville; Napa River Basin Comment
  UCD139755  Lilium rubescens Heidi E. M. Dobson 1978-6-14 337 Napa east side of Mt. Veeder. Comment
  JEPS112544  Limnanthes douglasii subsp. douglasii Jake Ruygt 1978-3-31 250 Napa east of HWY 29 on Suscol Hill 4 Comment
  UC971836  Limnanthes douglasii subsp. douglasii Annetta Carter 1942-4-19 1667 Napa 3.3 mi s Napa Comment
  JEPS122739  Limnanthes douglasii subsp. nivea Jake Ruygt 2011-5-7 5779 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  UC17898  Limnanthes douglasii subsp. nivea Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  JEPS110670  Limosella acaulis Jake Ruygt 1990-6-23 2599 Napa Johnson's Meadow Creek, Wild Horse Valley Ranch 435 Comment
  JEPS110960  Linanthus androsaceus Jake Ruygt 1979-4-29 559 Napa .4 miles west of HWY 29 on Kortum Canyon Rd. 182 Comment
  JEPS58155  Linanthus androsaceus E. V. Ferguson 1920-5-15 352 Napa Howell Mt. Comment
  UC146064  Linanthus androsaceus H. P. Chandler 1907-4-25 7539 Napa Chiles Valley Comment
  JEPS58160  Linanthus androsaceus W. L. Jepson 1892-3-25 20904 Napa Signal sta., Vaca Mts (w crest) Vaca Mts. Comment
  RSA0062956  Linanthus androsaceus Reino Alava 1957-5-30 992 Napa Near the end of State Highway no. 37, in the southern end of Capell Valley. Comment
  JEPS110998  Linanthus bolanderi Jake Ruygt 2005-5-11 4835 Napa a ridge S of Bear Valley, E of Cub Valley 701 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
  HSC58977  Linanthus dichotomus subsp. meridianus G. E. Johnston 1974-4-4 1024 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  POM260859  Linanthus dichotomus subsp. meridianus J. T. Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  RSA183447  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa Ca. 1/4 mile east of mail boxes on road to M & M Ranch, middle Snell Valley Comment
  SEINET205184  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa in serpentine between road and creek; ca. .25 mile east of mail boxes on road to M & M Ranch. Middle snell valley. Comment
  JEPS58118  Linanthus jepsonii E. V. Ferguson 1920-5-15 349 Napa Pope Valley Comment
  JEPS110985  Linanthus parviflorus Jake Ruygt 1996-4-10 3576 Napa Soda Spring, White Cliff Springs 396 Comment
  JEPS58099  Linanthus parviflorus W. L. Jepson 1893-4-28 20938 Napa ne of Napa (Wooden Valley, grade near w base Napa Range); Napa Valley Range, Wooden Valley Comment
  JEPS85050  Linanthus parviflorus Larry Heckard and Mary Ashton 1969-5-3 2214 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the n meadow) 510 Comment
  UC23783  Linanthus parviflorus Willis L. Jepson 1893-4-24 Napa e of St. Helena; Napa River Basin Comment
  UC52371  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  CAS-BOT-BC430622  Lithophragma affine Peter H. Raven 1953-4-2 5258 Napa hills e. of Imola 121 Comment
  UCD19722  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1210 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  UCD49256  Lithophragma parviflorum var. parviflorum C. Matthews; T. Petrie, C. Little, and K. Glover 2001-4-14 24 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; 50 ft. NW of N. Decker Canyon Rd./West Rd. jct; N side of road. 152 Comment
  CAS-BOT-BC60179  Lobularia maritima Peter H. Raven 1951-5-6 2831 Napa Saint Helena. 91 Comment
  UCD18102  Logfia filaginoides Ellen Dean; with PLB 102 class 2000-4-29 758 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
  UCD63176  Logfia filaginoides Jake Ruygt 1996-4-27 3630 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 243 Comment
  UCSC009036  Logfia filaginoides Dylan M. Neubauer 2015-4-26 138 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction with Snell Valley Road 200 Comment
  UCD66081  Lolium multiflorum Beecher Crampton 1962-10-9 6698 Napa 1.1/4 SW of Angwin, Howell Mtn. Road, Conn Creek. Comment
  SBBG5199  Lomatium californicum H. and M. Dearing 1939-5-1 3243 Napa Spring Mtn Grade, Comment
  SEINET2159284  Lomatium ciliolatum var. hooveri W. H. Whaley 2007-1 s.n. Napa Aetna Springs area. Comment
  CHSC83404  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
  HSC43961  Lomatium dasycarpum subsp. dasycarpum Robert M. Specht 1977-4-19 683 Napa Along drainage running NE from Adams Creek. Comment
  UC1123025  Lomatium dasycarpum subsp. dasycarpum B. O. Schreiber 1938-4-24 2503 Napa 1/2 mi NW of Knoxville 609 Comment
  HSC103355  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson, Jane Nelson 1985-5-26 7811 Napa Along Aetna Springs Rd., opposite entrance road to Aetna Mine at mile post 1.75. Comment
  JEPS17136  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1900-3-10 517 Napa New Eden to Crystal Springs (Howell Mt.); Howell Mt. Comment
  JEPS17139  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1893-4-28 14304 Napa hills e. Napa Comment
  UCD168164  Lomatium dasycarpum subsp. tomentosum John Gibson 2015-4-26 s.n. Napa BLM Knoxville Recreation Area; along 4WD road 1.5 mi from Knoxville-Berryessa Road., ca .25 mi. below Hunting Creek Campground; south side of Hunting Creek, 368 Comment
  UC1137629  Lomatium hooveri B. O. Schreiber 1938-4-24 2501 Napa 1/2 mi. n.w. Knoxville; Reiff Quad. Comment
  UCD164747  Lomatium macrocarpum Jake Ruygt 2014-6-9 5984 Napa Livermore Ranch, Bear Valley. 621 Comment
  POM132573  Lomatium marginatum C. F. Baker 1903-5-8 2971 Napa Knoxville. Comment
  SD58378  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills 274 Comment
  SEINET12121677  Lomatium marginatum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -331 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS104549  Lomatium marginatum var. purpureum Jake Ruygt 1986-3-29 1678 Napa Devilshead Rd.; ''sensitive plant canyon'' 441 Comment
  JEPS104568  Lomatium marginatum var. purpureum Jake Ruygt 1998-5-2 3953 Napa Jerd Creek 329 Comment
  UC517964  Lomatium marginatum var. purpureum John Thomas Howell 1931-4-3 6148 Napa Butts Valley Rd. to Middletown 5 mi. from Aetna Springs Comment
  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
  LA202884  Lomatium repostum Lincoln Constance; J. F. Davidson, W. H. Wagner, Ren Hwa. Shan 1946-5-18 3048 Napa Mount Saint Helena, SE slope of Mount Saint Helena, near the old inn Comment
  LA90109  Lomatium repostum Freed W. Hoffman; 1947-6-17 1645 Napa . Comment
  JEPS104473  Lomatium utriculatum Jake Ruygt 1994-3-26 3337 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  JEPS104475  Lomatium utriculatum Jake Ruygt 1979-4-23 545 Napa 3.4 miles east of Silverado Trail on HWY 128 103 Comment
  UC140582  Lomatium utriculatum C. F. Baker 1903-4-20 2621 Napa Mt. St. Helena Comment
  UCD164761  Lomatium utriculatum Jake Ruygt 2014-4-7 5917 Napa Sutro Ranch, south end near Foss. 700 Comment
  UCD47866  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 24 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Barryessa-Knoxville Road. 411 Comment
  UCD47867  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 25 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UCD81823  Lomatium utriculatum Ellen Dean 2009-4-24 5450 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS104512  Lomatium vaginatum Jake Ruygt 1987-5-16 1999 Napa Devil's Canyon 588 Comment
  SBBG9303  Lonicera hispidula S. Wagener 1955-5-15 60 Napa lookout spot ca. 0.5 mi SW of Oakville, on Trinity Rd Comment
  JEPS12849  Lonicera hispidula var. vacillans W. L. Jepson 1898-1-4 Napa Howell Mountain Comment
  POM46741  Lonicera hispidula var. vacillans W. L. Jepson 1893-9-21 s.n. Napa Napa River Basin, Wooden Valley Grade. Comment
  CAS-BOT-BC240797  Lonicera interrupta Alice Eastwood 1915-6-6 4656 Napa Mt. St. Helena Comment
  CAS-BOT-BC240798  Lonicera interrupta Peter H. Raven 1951-5-20 2859 Napa Oakville to Glen Ellen, Sonoma Co. 274 Comment
  UC28534  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin 853 Comment
  UCD137340  Lonicera interrupta E. F. Beukman 1964-5-8 33 Napa State Highway 128, 3 miles southwest of Monticello Dam. Comment
  UCD147531  Lonicera interrupta Ellen Dean; Diana Hickson 2014-4-29 8085 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  JEPS107210  Lotus micranthus Jake Ruygt 1991-5-4 2639 Napa betweed Fawn Lake and Granite Lake Friesen's Lakes 603 Comment
  CDA27274  Lotus micranthus T. C. Fuller 1958-5-1 3721 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  SEINET3694609 Image available Lotus micranthus W. L. Jepson 1893-4-24 13787 Napa Howell Mountain grade, E of town of St. Helena, Napa River Basin Comment
  UC1561231  Lotus purshianus var. purshianus Barbara Ertter with Elizabeth Neese 1988-10-2 7957 Napa ca 15 air mi Napa (s side of Rt 128 across from spillway, on Conn Creek, Lake Hennessey); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  JEPS55897  Lotus scoparius Willis L. Jepson 1893-6-26 13805 Napa grade to Howell Mt. Napa River Basin Comment
  UC1197284  Lotus scoparius Joseph P. Tracy 1899-6-10 394 Napa near Angwin's; Northern Coast Ranges, Howell Mountain 457 Comment
  JEPS107201  Lotus strigosus Jake Ruygt 1996-4-6 3560 Napa East end of Rector Reservoir. 152 Comment
  POM128951  Lotus wrangelianus C. F. Sonne 1888-04 2780 Napa Napa Comment
  UCD78328  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-10-4 05- 35 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 98 Comment
  CAS-BOT-BC198366  Lupinus albifrons C. B. Wolf 1928-2-25 1486 Napa On Mt. St. Helena Grade, 2 miles below Hawkins Mt. Camp Comment
  UC1217066  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa along the road to Pope Valley 2 mi above St. Helena Sanitarium; rd to Pope Valley Comment
  CAS-BOT-BC201556  Lupinus albifrons var. albifrons Alice Eastwood 1918-5-1 6829 Napa Mt. St. Helena Comment
  JEPS107238  Lupinus albifrons var. collinus Jake Ruygt 1998-3-29 3901 Napa Suscol Ridge overlooking Jameson Canyon 140 Comment
  POM10771  Lupinus albifrons var. eminens C. F. Baker 1903-4-20 2603 Napa Mt. St. Helena. 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
  UCD107265  Lupinus bicolor G. E. Johnston 1974-4-4 6119 Napa near Bell Canyon, near Angwin. 426 Comment
  UCD161306  Lupinus bicolor Jake Ruygt 1979-4-6 480 Napa 0.3 miles east of Butts Canyon Road on Snell Valley Road. (Coordinates estimated by label maker at UC Davis). 188 Comment
  UCD38820  Lupinus bicolor Beecher Crampton 1958-4-29 4758 Napa Capell Valley. Comment
  UC127049  Lupinus formosus var. formosus Willis L. Jepson July, 1892 Napa Berryessa Valley Comment
  UCSC000394  Lupinus latifolius C. F. Sonne 1895-4-15 s.n. Napa Napa Soda Springs Comment
  UCD20617  Lupinus luteolus E. Dean; with M. Bibbo 2002-7-5 1164 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  JEPS107218  Lupinus microcarpus var. densiflorus Jake Ruygt 1980-4-22 838 Napa 1.3 miles east of Pope Valley Middle Rd. on Pope Canyon Rd. 187 Comment
  UCD108720  Lupinus microcarpus var. densiflorus Ethel H. Hyde 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  SD243357  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 miles E junction CA 121, 2.9 miles W Monticello Dam, Lake Berryessa. 289 Comment
  UCD108695  Lupinus microcarpus var. densiflorus Alan P. Godlewski 1974-5-3 s.n. Napa 5 miles West of Winters, approx. 100 yds from hiway 128. Comment
  UCD48960  Lupinus nanus C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; between West Rd. and Decker Bay Trail, N side of creek, just SW and downslope of West Rd. 167 Comment
  UC725969  Lupinus nanus A. A. Heller 1929-3-16 14821 Napa grade near foot Mt. St. Helena; foot of Mt. St. Helena Comment
  UCD109266  Lupinus nanus Collector Unknown Date Unknown s.n. Napa Exact location unknown. Comment
  UCD161611  Lupinus nanus Jake Ruygt 2001-4-18 4308 Napa Sulphur Springs Road, St. Helena. 76 Comment
  UCD161683  Lupinus nanus Jake Ruygt 2008-5-10 5329 Napa Buzzard's Roost, east of Stags Leap, Napa Range. 609 Comment
  POM670069  Lupinus polycarpus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS65423  Lupinus polyphyllus Willis L. Jepson 1893-6-26 24 t Napa Howell Mt.; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  CAS-BOT-BC202229  Lupinus sericatus Alice Eastwood 1915-6-6 4668 Napa Mt. St. Helena Comment
  UC1745944  Lupinus sericatus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2776 a Napa Headwaters of Moore Creek, Las Posadas State Forest. 3-4 mi. E of Angwin. 518 Comment
  UCR43183  Lupinus sericatus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  UCD18042  Lupinus succulentus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 593 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
  CHSC102263  Lythrum hyssopifolia Lowell Ahart 2009-10-27 16488 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD103031  Lythrum hyssopifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UC527943  Madia anomala R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6671 Napa 6 mi ne of Pacific Union College; Howell Mt., Aetna Springs Comment
  JEPS100898  Madia exigua Dean W. Taylor 1998-5-14 16437 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  JEPS106546  Madia exigua Jake Ruygt 1982-5-15 1258 Napa Stags Leap-Soda Canyon 426 Comment
  JEPS38332  Madia exigua W. L. Jepson 1936-5-31 17571 Napa between Toland House and Augwin; Napa Range, Howell Mt.La Jota plateau Comment
  UC165023  Madia exigua Joseph P. Tracy 1904-5-23 2090 Napa near Calistoga (hills on e side of Napa Valley); Northern Coast Ranges 243 Comment
  JEPS106551  Madia gracilis Jake Ruygt 1983-6-1 1485 Napa HWY 12 at Sonoma Co.line 94 Comment
  UCD13155  Madia gracilis Kathleen Worden 1981-5-24 10 Napa Highway 128, 2.2 miles southeast of Moskowitz Corner. Comment
  POM315932  Madia gracilis Patricia Wilder 1965-6-9 3601 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 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
  RSA52718  Madia gracilis subsp. gracilis I. L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  CLARK-A1528-2006  Madia nutans John C. Roos 1939-4-16 258 Napa Angwin Comment
  RSA195340  Madia nutans Gilbert Muth 1967-5-19 696 Napa Milliken Dam. 335 Comment
  UCD83743  Madia sativa Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5992 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 176 Comment
  CAS-BOT-BC345055  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa Comment
  CAS-BOT-BC508545  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1432 Napa Wooden Valley Grade above Napa 304 Comment
  RSA51298  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1732 Napa Wooden Valley grade above Napa 305 Comment
  JEPS122720  Malacothamnus fremontii Jake Ruygt 1986-7-5 1858 Napa Berryessa-Knoxville Road at mile 24.45. Quad: Knoxville. Comment
  CAS-BOT-BC347511  Malacothrix floccifera H. M. Hall 1931-5-27 13096 Napa Near Knoxville Comment
  CAS-BOT-BC347512  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  SEINET6413448  Malacothrix floccifera R. Spellenberg 2014-5-20 14816 Napa Butts Canyon Road 12.5 km SE of Middletown. 320 Comment
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  JEPS103981  Marsilea vestita subsp. vestita Jake Ruygt 1986-8-23 1909 Napa Lake Hennessey 92 Comment
  UCR23895  Medicago arabica John C. Roos 1939-5-2 292 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  JEPS65530  Medicago sativa W. L. Jepson 1936-5-30 17555 Napa St. Helena Comment
  SEINET5322427  Melica californica M. Mooney 1982-4-17 452 Napa Stebbins-Cold Canyon Nature Preserve, south of dam at Lake Berryessa 91 Comment
  CAS-BOT-BC231524  Melica geyeri Ellen Dean; G. Golden; C. Loughran; PLB 102 interns 2012-4-29 7341 Napa East of Las Posadas Rd. California Dept. of Forestry's Last Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northweast from Station 519 Comment
  CAS-BOT-BC282166  Melica geyeri J. P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles E of Angwin's 396 Comment
  SEINET4671608  Melica geyeri W. Boyle 1942-4-25 1072 Napa Along the Silverado Trail Road 7 miles south of Calistoga Comment
  JEPS122947  Melica harfordii Jake Ruygt 1987-5-16 2001 Napa Devil's Canyon, below the falls. Quad: Sonoma. Comment
  UCD66807  Melica spectabilis K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  CAS-BOT-BC264214  Melica torreyana Peter H. Raven 1953-3-29 5219 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC264216  Melica torreyana Peter H. Raven 1957-5-5 10760 Napa Hills at western edge of Calistoga 152 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-BC264218  Melica torreyana D. H. Esplin; Bolander 1969-4-30 19 Napa Pope Valley near Lake Berryessa 121 Comment
  CAS-BOT-BC264224  Melica torreyana John Thomas Howell 1939-4-30 14632 Napa Walter Springs Comment
  CHSC83356  Melica torreyana L. P. Janeway; B. Castro 2002-5-12 7541 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  JEPS122945  Melica torreyana Jake Ruygt 1984-4-7 1525 Napa Cedar Roughs, Pope Creek. Quad: Walter Springs. Comment
  JEPS129103  Melica torreyana Jake Ruygt 2016-5-3 6227 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  SBBG115838  Melica torreyana B. Crampton 1958-4-29 4756 Napa Capell Crks, N end of Capell Valley Comment
  UCD149682  Melica torreyana Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  UCD20428  Melica torreyana E. Dean; w/ PLB 102 class 2002-5-4 1016 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  UCD81835  Melica torreyana Ellen Dean 2009-4-24 5465 Napa Property at 600 Petrified Forest Road. 170 Comment
  JEPS65546  Melilotus albus W. L. Jepson 1894-11-5 13602 Napa river bed above St. Helena Comment
  UC126552  Melissa officinalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7107 Napa Alta Loma Ranch, Howell Mt. Howell Mt., Alta Loma Ranch 487 Comment
  JEPS112576  Mentha Jake Ruygt 1992-8-6 3119 Napa Yountville Ecological Reserve, Yountville Cross Rd. 25 Comment
  JEPS120371  Mentha alopecuroides Jake Ruygt 1989-9-25 2408 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  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-BC348540  Micropus californicus var. californicus H. L. Mason 1934-4-30 8103 Napa West side of Wooden Valley grade, near summit Comment
  SEINET200984  Micropus californicus var. californicus J. P. Tracy 1902-5-14 1442 Napa Howell Mountain Grade near St. Helena 305 Comment
  CAS-BOT-BC349100  Microseris douglasii subsp. tenella M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  UCD18046  Microsteris gracilis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 597 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  CDA11431  Mimulus angustatus G. F. Hrusa, M. Tu 1995-5-6 12154 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  UC1103336  Mimulus angustatus Joseph P. Tracy 1933-4-30 12104 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  UCD85031  Mimulus angustatus Dena Grossenbacher 2009-5-14 990 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 Comment
  POM260843  Mimulus angustatus J. T. Howell 1940-5-19 15465 Napa Upper St. Helena Creek. Comment
  UCD14920  Mimulus aurantiacus Glen Dreyer 1977-4-16 39 Napa California, Napa Co.; along Highway 128, ca. 3 mi. west of Monticello Dam; Comment
  UCD160390  Mimulus aurantiacus Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  JEPS41081  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9097 Napa about 3 air mi s Knoxville (along jeep trail, sw of waterfall of Zim Zim Creek, leading to headwaters of Nevada Creek) 396 Comment
  RSA491727  Mimulus aurantiacus var. aurantiacus James L. Reveal 1987-6-7 6398 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville. 610 Comment
  RSA60354  Mimulus aurantiacus var. aurantiacus G. R. Campbell 1948-6-18 657 Napa 10 miles south of Montecello Comment
  JEPS110583  Mimulus congdonii Jake Ruygt 1990-4-1 2449 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  JEPS110613  Mimulus congdonii Jake Ruygt 2001-3-17 4295 Napa Putah Creek near Berryessa Estates 182 Comment
  JEPS11027  Mimulus guttatus W. L. Jepson 1893-4-25 28 m Napa w St. Helena (trail to Caux's Cabin); Hood's Peak Range 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
  JEPS110587  Mimulus kelloggii Jake Ruygt 1979-4-14 513 Napa Oat Hill Mine Rd., Twin Peaks area 707 Comment
  UC26955  Mimulus kelloggii W. L. Jepson 1893-5-2 29 m Napa Pope Valley grade from Calistoga Comment
  UCD21582  Mimulus kelloggii K. Esau 1933-4-14 s.n. Napa Calistoga, near Petrified Forest. Comment
  JEPS110615  Mimulus layneae Jake Ruygt 1999-5-17 4161 Napa Wild Horse Valley Ranch, near Leoma Lakes. 429 Comment
  UC147907  Mimulus layneae J. P. Tracy June 14,1899- July 10, 1899 361 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain 518 Comment
  JEPS41075  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9102 Napa about 6 1/2 mi se Knoxville (on a flat 1/2 mi due n of Cedar Valley) 609 Comment
  JEPS81962  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9102 Napa about 6 1/2 mi se Knoxville (on a flat 1/2 mi due n of Cedar Valley) 609 Comment
  RSA293050  Mimulus layneae Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 765 Napa Mt St Helena. Comment
  JEPS11436  Mimulus microphyllus W. L. Jepson 1921-5-6 9168 Napa Yountville 30 Comment
  JEPS11439  Mimulus microphyllus W. L. Jepson 1921-5-6 9171 Napa Calistoga 109 Comment
  JEPS11440  Mimulus microphyllus W. L. Jepson 1893-4-28 73 m Napa n Mt. George (on Wooden Valley grade); Napa Range Comment
Read comments
Aug 5 2008
  UC26986  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD96585  Mimulus microphyllus Dena Grossenbacher; Brian Green 2008-5-29 852 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  JEPS110598  Mimulus nudatus Jake Ruygt 1991-5-25 2693 a Napa Paradise Valley 280 Comment
  JEPS129171  Mimulus nudatus Jake Ruygt 2015-4-4 6064 Napa Butts Canyon south of Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  UCD170353  Mimulus nudatus Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 852 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 459 Comment
  UCD63856  Mimulus nudatus Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  UCD96135  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-7 820 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  UC1196778  Mimulus pulsiferae J. P. Tracy 1902-5-19 1566 Napa 3-4 mi e Angwin's (in stream bed); Howell Mountain, La Jota Plateau, head of Moore's Creek 518 Comment
  UC147883  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, dry stream bed); Howell Mountain, La Jota Plateau 518 Comment
  UCD85033  Mimulus pulsiferae Dena Grossenbacher 2009-5-14 992 Napa Along east side of Ink Grade Road about 0.3 miles north of junction with Howell Mountain Road. 557 Comment
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  CAS-BOT-BC174562  Minuartia californica Alice Eastwood; John Thomas Howell 1937-4-4 3827 Napa Wooden Valley Grade east of Napa Comment
  UCSC010460  Minuartia californica Dylan M. Neubauer, Tim Forsell 2016-4-1 609 Napa (NCoRI) just east of Butts Canyon Road, 2.49 air-miles sse Snell Peak 329 Comment
  UCD41323  Minuartia douglasii Ellen Dean; T. and M. Starbuck 2004-4-3 2002 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  UC1300957  Minuartia douglasii Helen K. Sharsmith 1963-4-20 5349 Napa on Monticello Road San Francisco Bay Region, Napa Range (sw slope of Range) 152 Comment
  UCD161539  Minuartia douglasii Jake Ruygt 1992-4-10 2899 Napa Wild Horse Valley Ranch east of south lake. 463 Comment
  CAS-BOT-BC220619  Monardella villosa John Thomas Howell 1929-5-30 4270 Napa On Pope Valley Creek near Samuels [Samuel] Springs, Napa Range Comment
  UCD166665  Monardella villosa subsp. villosa Jake Ruygt 1998-7-11 4082 Napa Blue Ridge, about 1.5 miles north of Mays Flat. 701 Comment
  CAS-BOT-BC220695  Monardella viridis John Thomas Howell 1937-7-4 13060 Napa Wooden Valley Grade Comment
  LA54246  Monardella viridis Robert F. Hoover; 1941-8-24 5575 Napa Mount St. Helena, E side 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
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  JEPS126023  Myriophyllum aquaticum Jake Ruygt 1983-3-28 1395 a Napa Suscol Creek, 1/4 mile east of Highway 29 (221). Cuttings Wharf 7.5' Quad. 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
  UC526761  Nassella cernua Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi e St. Helena; North Coast Ranges 304 Comment
  CAS-BOT-BC260180  Nassella pulchra L. R. Abrams 1928-5-3 12232 Napa St. Helena Grade Comment
  UC187237  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD17999  Nassella pulchra Ellen Dean; with Plant Biology 102 class 2001-4-28 730 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UC963810  Navarretia cotulifolia H. L. Mason 1933-4-30 7223 Napa n of Aetna Springs (near Napa-Lake county line); Inner North Coast Range Comment
  JEPS112539  Navarretia divaricata subsp. vividior Jake Ruygt 1982-5-26 1296 Napa S of Robert Louis Stevenson Park toward Palisades 792 Comment
  JEPS15003  Navarretia heterodoxa John Thomas Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  JEPS70316  Navarretia heterodoxa Willis L. Jepson 1901-8-6 1731 Napa Howell Mt. Napa River Basin Comment
  POM258871  Navarretia heterodoxa J. T. Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  RSA128369  Navarretia jepsonii P. H. Raven 1950-6-20 s.n. Napa Just above Aetna Springs, Pope Valley Comment
  JEPS112558  Navarretia leucocephala subsp. pauciflora Jake Ruygt 1998-6-8 4016 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  UCD167187  Navarretia leucocephala subsp. pauciflora Jake Ruygt 1990-4-21 2491 Napa Giles Mead Ranch, Atlas Peak Road. 487 Comment
  HSC2254  Navarretia mellita Katherine Brandegee 1910-7-26 Napa Pope Valley Comment
  UCD167194  Navarretia mellita Jake Ruygt 1991-6-10 2716 Napa Deer Lake, Friesen's Lakes. 597 Comment
  UCD48408  Navarretia mellita Robert E. Preston 1987-6-13 560 Napa CA: Napa Co.; N slope of Snell Peak. T10N R5W se1/4 S7 (Aetna Springs 7.5' quad). 365 Comment
  CAS-BOT-BC232669  Navarretia pubescens John Thomas Howell 1929-5-30 4267 Napa 4 miles E of Samuel Springs on Pope Valley Creek, Napa Range Comment
  JEPS110949  Navarretia pubescens Jake Ruygt 1977-5-1 209 Napa east end of Westgate Dr. 115 Comment
  UC23795  Navarretia pubescens Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD160778  Navarretia pubescens Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8658 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  JEPS123265  Navarretia rosulata David Gowen with Jake Ruygt 2011-6-11 1157 Napa Cedar Roughs. Comment
  UC142969  Navarretia squarrosa Katharine Brandegee 1910-7-26 Napa Pope Valley Comment
  JEPS70447  Navarretia squarrosa W. L. Jepson 1893-6-26 20949 Napa Howell Mt. Napa Range Comment
  JEPS70485  Navarretia tagetina W. L. Jepson 1894-10-14 15022 Napa sw of Calistoga (hills back of Rebecca Ranch); Napa River Basin Comment
  UCD167202  Navarretia tagetina Jake Ruygt 2002-6-10 4434 Napa End of Soda Canyon Road, north end of Foss Valley. 445 Comment
  JEPS70510  Navarretia viscidula Willis L. Jepson 1903-9-6 2347 Napa St. Helena Napa River Basin Comment
  JEPS106580  Nemacladus montanus Jake Ruygt 1995-6-17 3500 Napa SE corner of Butts Canyon Road at Snell Valley Road 225 Comment
  JEPS5477  Nemacladus montanus M. S. Jussel 1845-5-4 Napa Napa Comment
  POM224204  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  SEINET1869547  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-1 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake reservoir. Comment
  UCD75834  Nemacladus montanus Jake Ruygt 2005-6-4 4902 Napa Hunting Creek, NE of Putah Creek. 243 Comment
  CHSC45839  Nemophila heterophylla Lowell Ahart 1976-3-7 1027 Napa On a steep slope, about 1/4 mile south of the road, about 2 miles south-west of the Monticello Dam. 152 Comment
  RSA699652  Nemophila heterophylla Keith E. Hoffmaster 1946-3-23 s.n. Napa Napa range, along Napa-Monticello road. Comment
  UCD120070  Nemophila heterophylla M. Wiesendanger 1928-4-5 857 Napa Monticello-Napa Rd. Comment
  UCD166681  Nemophila heterophylla Jake Ruygt 2005-3-28 4735 Napa near Knoxville Wildlife Area. 341 Comment
  UCD169883  Nemophila heterophylla Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 722 Napa Knoxville Wildlife Area. 238 Comment
  UCD48047  Nemophila heterophylla M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 5 Napa McLaughlin UC Reserve. SW of town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UC606891  Nemophila heterophylla L. Constance 1938-3-27 2035 Napa e slope 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UC880874  Nemophila heterophylla Lewis S. Rose 1939-4-16 39087 Napa 10 mi ne Napa (Wooden Valley); ne of Napa, Wooden Valley Comment
  UCD149685  Nemophila menziesii Stephen P. Rae; Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  JEPS1878  Nemophila menziesii var. atomaria Willis L. Jepson 1893-4-25 15095 Napa trail to Caux's Cabin Napa River Basin, = Mts. n of St. Helena (Napa River Basin, = Mts. n of St. Helena) 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
  RSA10643  Nemophila menziesii var. menziesii Carl B. Wolf 1928-5-3 1847 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC219384  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  UCD166672  Nepeta cataria Jake Ruygt 1992-8-3 3114 Napa Green Valley Ranch, end of Green Valley Road. 295 Comment
  UCSC000650  Nicotiana bigelovii H. S. Reed 1948-11-6 s.n. Napa Putah Creek 102 Comment
  JEPS113972  Odontostomum hartwegii Jake Ruygt 1978-5-14 311 Napa .6 mile north of Oakville Cross Road on Silverado Trail. Yountville 7.5' Quad. Comment
  UC15042  Odontostomum hartwegii J. P. Tracy 1902-5-14 1443 Napa Howell Mt. grade near St. Helena (head of Moore's Creek, 3 - 4 mi. e. of Angwin's); Howell Mt., Moore's Creek 182 Comment
  CAS-BOT-BC140166  Oemleria cerasiformis Alice Eastwood 1922-5-5 11294 Napa Mt. St. Helena Comment
  JEPS15795  Oenanthe sarmentosa Willis L. Jepson 1893-4-24 14228 Napa hills e. St. Helena (to Conn Valley Rd., Howell Mt. Foothills); Napa R. Basin, Howell Mt. Foothills Comment
  UCD123203  Orobanche fasciculata W. M. Grannell 1950-4-27 17 Napa Putah Canyon. Comment
  CAS-BOT-BC243695  Orobanche valida subsp. howellii John Thomas Howell 1926-10-3 2203 Napa Mt. St. Helena 1219 Comment
  RSA155421  Orthocarpus erianthus L. S. Rose 1961-3-30 61023 Napa 6 mi w of Napa. 122 Comment
  RSA202268  Orthocarpus faucibarbatus L. D. Thurman 1964-4-15 392 Napa 5 miles north of Napa on Silverado trail. Comment
  JEPS43137  Oxalis W. L. Jepson 1936-6-2 17613 Napa hills to e Yountville; Napa Valley Comment
  OBI15512  Packera clevelandii Robert F. Hoover 1966-8-23 9937 Napa Butts Cyn, near Lake co. line Comment
  UC87211  Packera clevelandii Katharine Brandegee 1910-7-2 Napa near Aetna Springs 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
  JEPS81214  Packera eurycephala var. eurycephala Douglas W. James Jr. 1973-5-5 97 Napa near, not far from road that runs through the ranch MacDonald Ranch property line; Las Posadas State Forest, Pope Valley 411 Comment
  CAS-BOT-BC316875  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa Pope Creek Canyon 1 mile below Samuels Springs Comment
  UC577240  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa 1 mi below Samuels Springs; Pope Creek Comment
  JEPS106858  Packera greenei Jake Ruygt 1979-5-20 623 Napa about 1 mile east of HWY 29 on Livermore Road 533 Comment
  UCD160746  Packera greenei Ellen Dean 2015-5-23 8798 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 243 Comment
  UCD169780  Packera greenei Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 788 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 455 Comment
  UCD36304  Packera greenei Beecher Crampton 1953-5-19 1303 Napa Chiles Valley, 11 miles east of Rutherford, on Highway 128. Comment
  UCD20764  Panicum capillare M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 113 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UCD170442  Parentucellia viscosa Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 914 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 407 Comment
  JEPS50025  Parvisedum pumilum W. L. Jepson 1915-4-22 6234 Napa Hills e of St. Helena ([Howell] Road) Comment
  UC540616  Parvisedum pumilum H. L. Mason 1935-5-31 Napa 3 mi s of Napa (near highway) Comment
  UCD38860  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  UC218897  Passiflora caerulea Katharine Brandegee 1910-7-11 Napa Calistoga Comment
  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
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  SD234194  Pedicularis densiflora Virginia Pinkus Ryder 1964-5-15 101 Napa Route 37 east of Napa. Rocky sandstone cliff. 410 Comment
  UCD67968  Pedicularis densiflora D. Levine 1974-4-6 47 Napa Headwaters of Wragg creek, 4 miles from junction 121 on highway 128. 304 Comment
  UCD48364  Pellaea andromedifolia M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 13 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines on lower road. 274 Comment
  CAS-BOT-BC71378  Pellaea mucronata John H. Thomas 1955-5-21 5102 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  RSA602575  Pellaea mucronata L. C. Wheeler 1952-8-30 6882 Napa Manganese Ridge. Moore Creek, Howell Mountain 366 Comment
  UCD160780  Pellaea mucronata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8660 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD82598  Pellaea mucronata Ellen Dean; T. Starbuck 2009-5-4 5536 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CAS-BOT-BC71381  Pellaea mucronata Evelina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  SFV8540  Penstemon heterophyllus B. Henry 1973-5-5 23 Napa North Coast Ranges Vaca Mountains. State Highway 128, 2 miles above Monticello Dam. 150 Comment
  UCD124214  Penstemon heterophyllus M. Ensign 1943-5-28 311 Napa 12 miles north of Monticello on road to Lower Lake. Comment
  JEPS11373  Penstemon heterophyllus var. heterophyllus Alice King July, 1919 Napa Van Ness Ranch , Van Ness Ranch (Mt. St. Helena) 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
  POM125419  Penstemon newberryi var. sonomensis Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena. Comment
  RSA10641  Penstemon newberryi var. sonomensis Carl B. Wolf 1928-5-4 1849 Napa Upper slopes of Mount St. Helena. Comment
  UCD121186  Pentagramma triangularis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7362 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and Recreation Flat. 526 Comment
  UCD170213  Pentagramma triangularis Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 744 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 357 Comment
  UCD48370  Pentagramma triangularis subsp. triangularis C. Matthews; K. Glover, C. Little, T. Petrie 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. South side of Decker Bay Trail; 250' W of junction with West Road. 152 Comment
  UCR198039  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road 488 Comment
  UC106526  Perideridia kelloggii Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD170281  Perideridia kelloggii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 821 Napa Knoxville Wildlife Area, north of Nevada Creek. 535 Comment
  JEPS12437  Perideridia oregana Willis L. Jepson 1901-8-6 1726 Napa Howell Mt. grade Napa River Basin Comment
  CAS-BOT-BC419150  Persicaria maculosa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  CAS-BOT-BC419301  Persicaria punctata Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga 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
  UCD148794  Petrorhagia dubia Ellen Dean; Diana Hickson 2014-4-29 8102 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCR196226  Petrorhagia dubia M. K. Voigt, E. Sweeney, M. Miller 2002-4-13 01 Napa McLaughlin UC Reserve. Southwest of old town of Knoxville on north side of Knoxville-Berryessa Road 427 Comment
  CAS-BOT-BC134010  Phacelia distans John H. Thomas 1955-5-21 5173 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UC914301  Phacelia distans Verne Grant and Alva Grant 1947-4-19 7939 a Napa on Monticello rd 8 mi from Vichy Springs (e slope of mts.); Mayacama Mts. Comment
  JEPS78806  Phacelia egena John W. Willoughby 1976-5-18 1688 Napa w side of ridge near top Vaca Mountains (latitude approx. that of Mt. Vaca) 762 Comment
  CDA40411  Phacelia imbricata J. T. Howell 1931-4-3 6126 Napa Pope Creek Canyon, 8 miles from Monticello. 0 Comment
  UCD169610  Phacelia imbricata subsp. imbricata Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  JEPS2145  Phacelia imbricata subsp. imbricata Willis L. Jepson 1893-4-24 21048 Napa beyond Park Hill (= e of St. Helena); Napa River Basin, Conn Valley grade Comment
  SD72097  Phacelia nemoralis John Thomas Howell 1937-7-4 13061 Napa Looden Valley Grade. Comment
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May 31 2018
  POM161068  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  UCR49791  Phalaris aquatica J. Nevin 1987-5-22 34 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  UC729981  Phalaris lemmonii Leo F. Koch 1940-4-24 850 Napa field w Cuttings Wharf Comment
  JEPS71124  Phlox gracilis Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  POM280308  Phoradendron bolleanum subsp. densum Lyman D. Benson 1935-2-25 6245 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
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Jan 25 2016
  UCD162120  Phoradendron californicum Dylan O. Burge 2014-3-15 1498 Napa Mount Saint Helena. 740 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
  UCD49307  Phoradendron leucarpum subsp. tomentosum A. Collier; D. Caterson and S. Kenady 2002-5-4 19 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Located 20 m W of path leading to tip of the peninsula, in vicinity of power lines. 274 Comment
  CAS-BOT-BC171140  Phoradendron serotinum subsp. tomentosum E. Ruckert 1960-4-25 117 Napa Wall Road, 1 mi W from junction of Dry Creek Road & Wall road 426 Comment
  JEPS129051  Phoradendron serotinum subsp. tomentosum Jake Ruygt 2016-7-2 6290 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. 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
  HSC71539  Pickeringia montana J. P. Smith, J. O. Sawyer 1970-5-17 3782 Napa 8 mi. N of Pope Valley Comment
  UC1600395  Pinus sabiniana W. L. Jepson 1896-1 Napa St. Helena Comment
  UCD74378  Plagiobothrys canescens Jake Ruygt 1982-4-7 1171 Napa Suscol ridge west of Hwy. 221. 24 Comment
  JEPS106764  Plagiobothrys nothofulvus Jake Ruygt 1996-5-19 3715 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  SEINET7072528  Plagiobothrys nothofulvus A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  UCD81818  Plagiobothrys nothofulvus Ellen Dean 2009-4-24 5445 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD161690  Plagiobothrys nothofulvus Jake Ruygt 2010-3-9 5482 Napa Lovell Valley Loop Road about 0.5 mile south of Napa / Sonoma line. 185 Comment
  UCD21504  Plagiobothrys stipitatus var. micranthus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4406 Napa Quail Ridge Reserve. 262 Comment
  UCD48658  Plagiobothrys stipitatus var. micranthus A. Van Houtte; E. Leger and C. Hohn 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., around entire rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  JEPS106762  Plagiobothrys strictus Jake Ruygt 1996-4-11 3589 Napa Calistoga Airport 105 Comment
  UC881354  Plagiobothrys strictus Alice Eastwood 1918-5-2 6881 Napa Calistoga Comment
  JEPS106759  Plagiobothrys tenellus Jake Ruygt 1993-5-1 3233 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  JEPS68146  Plagiobothrys tenellus W. L. Jepson 1938-5-25 18867 Napa Bell Canyon Napa Range, Howell Mt. 579 Comment
  JEPS68151  Plagiobothrys tenellus Willis L. Jepson 1893-4-28 21159 Napa plateau n Mt. George; Napa River Basin, Napa Range Comment
  POM63831  Plagiobothrys tenellus C. F. Baker 1903-4-20 2624 Napa Mt. St. Helena. Comment
  UCD161711  Plagiobothrys tener Jake Ruygt 2011-5-28 5797 Napa west of Atlas Peak Road, 0.6 mile southwest of Foss Valley. (Coordinates converted from UTM data by label maker.) 463 Comment
  UCD77273  Plantago elongata Robert E. Preston 2005-3-10 2315 Napa Mouth of Long Canyon 312 Comment
  UCD48070  Plantago erecta Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 14 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  POM195580  Plantago erecta H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  JEPS110784  Plantago lanceolata Jake Ruygt 1978-5-4 286 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. 12 Comment
  CAS-BOT-BC91869  Platystemon californicus Peter H. Raven 1953-4-2 5235 Napa Imola. 60 Comment
  UCD167242  Platystemon californicus Jake Ruygt 2005-4-17 4771 Napa Cub Valley', south of Bear Valley. 664 Comment
  UCD170190  Platystemon californicus Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 767 Napa Knoxville Wildlife Area, east of Zim Zim Falls. 385 Comment
  SEINET5718796 Image available Platystemon californicus Stephen Randall 1974-1 1 Napa 1 air mile SW of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  JEPS6140  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4449 Napa 4.2 mi n of Wooden Valley (on Monticello Road); Monticello Road Comment
  UC912466  Plectritis brachystemon A. E. Borell 1928-4-13 130 Napa 10 mi s of Petaluma Comment
  CDA11322  Plectritis ciliosa G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12028 Napa UC Quail Ridge Reserve, at entrance gate Comment
  UCD137580  Plectritis ciliosa J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  JEPS6144  Plectritis ciliosa subsp. ciliosa Bacigalupi and Dempster 1954-5-10 4445 Napa road from Monticello to Rutherford (Highway 128, Canyon of Soda Creek); Soda Creek Comment
  UC903163  Plectritis ciliosa subsp. ciliosa Ethel Crum 1937-4-19 1777 a Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  UC999824  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 691 Napa Lower Lake Road Comment
  OBI78496  Plectritis congesta Bacigalupi & Dempster, Dempster 1954-5-10 4449 Napa 4.2 mi N of Wooden Valley on Monticello Rd Comment
  JEPS4798  Plectritis macrocera Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  JEPS4814  Plectritis macrocera Miss R. Kuhn 1912-5-6 Napa Oakville Comment
  UC168965  Plectritis macrocera Joseph P. Tracy 1902-5-15 1483 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UC912462  Plectritis macrocera Herbert L. Mason 1926-3-14 2738 Napa Mount St. Helena Comment
  UC999846  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 689 Napa n of Monticello Comment
  UCD90143  Pleuropogon californicus var. californicus Beecher Crampton 1962-5-8 6417 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD90195  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC260956  Pleuropogon californicus var. californicus Mabel Wiesendanger 1928-4-5 870 Napa Field opposite geyser, Calistoga Comment
  SEINET10611516  Pleuropogon californicus var. californicus A. Arthur Heller 1924-4-12 Heller 13851 Napa Stiff clay soil near the mound at one of the hot springs, Calistoga. Comment
  SACT001791  Poa annua John Willoughby 1979-5-25 Napa On moist or now dry margins of stock pond. About 1 mile south of Signal Hill just below and to the west of Blue Ridge. 609.6 Comment
  UCD121140  Poa annua Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7343 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  CAS-BOT-BC254904  Poa bulbosa Peter H. Raven 1953-4-2 5280 Napa Tulucay Creek 228 Comment
  CAS-BOT-BC246684  Poa howellii Peter H. Raven 1951-6-10 2905 Napa E. of Toll House, Mt. St. Helena 792 Comment
  CAS-BOT-BC246686  Poa howellii Catherine Best 1980-4-9 s.n. Napa Glass Mountain Rd near the Silverado Trail Comment
  CAS-BOT-BC246687  Poa howellii Peter H. Raven 1950-4-15 1735 Napa Wooden Valley Grade above Napa 274 Comment
  JEPS122931  Poa howellii Jake Ruygt 1984-5-5 1542 Napa Bell Canyon Creek. Quad: Saint Helena. Comment
  CDA10845  Poa kelloggii G. F. Hrusa, G. L. Stebbins 1994-4-18 11782 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 213 Comment
  UCD148605  Poa kelloggii G. F. Hrusa; G. L. Stebbins 1994-4-18 11782 -A Napa along upper Swartz Creek north tributary. 213 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
  UCD112243  Poa secunda Christopher Mallek 2008-5-12 AS2- 15 Napa Aetna Springs. 668 Comment
  UCD90836  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7332 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  JEPS62446  Pogogyne douglasii W. L. Jepson 1897-7-12 14907 Napa Pope Valley Comment
  UC883696  Pogogyne douglasii Alice Eastwood 1915-6-5 4626 Napa Calistoga Comment
  UCD125418  Pogogyne douglasii G. H. Vansell 1934-5-16 s.n. Napa Napa Valley. Comment
  JEPS122744  Pogogyne serpylloides Jake Ruygt 2011-5-7 5780 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. Comment
  UCD98415  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD170183  Polygala californica Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 774 Napa Knoxville Wildlife Area, northwest of Zim Zim Falls. 463 Comment
  UCD82591  Polygala californica Ellen Dean; T. Starbuck 2009-5-4 5530 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  SEINET5744520 Image available Polygala californica Timothy P. King 1973-1 115 Napa E side of State Hwy 121, 9.6 miles from its junction with State Hwy 128, W side of Lake Berryessa.; Lake Berryessa Comment
  JEPS110853  Polygonum amphibium var. emersum Jake Ruygt 1979-8-7 790 Napa .1 mile north of Yountville underpass on Yount St. 28 Comment
  JEPS51314  Polygonum aviculare subsp. aviculare Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UC77395  Polygonum bolanderi Edward Lee Greene 1883-1 Napa Napa Valley Comment
  UCD149721  Polygonum bolanderi 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
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  CAS-BOT-BC414386  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  CAS-BOT-BC414387  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  CAS-BOT-BC414388  Polygonum californicum W. H. Brewer 1861-11-4 856 Napa Napa Valley, east of Camp 64 609 Comment
  CHSC102529  Polygonum lapathifolium Lowell Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS116558  Polypodium calirhiza Jake Ruygt 1978-3-8 234 Napa 4.8 miles NE of Atlas Peak Road on Monticello Road. 7.5' Mount George Quad. Comment
  CAS-BOT-BC76855  Polypodium calirhiza Peter H. Raven 1954-1-22 6380 Napa Sulphur Springs Resort, west of St. Helena. 121 Comment
  UC1242054  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  CAS-BOT-BC72464  Polystichum munitum Elsa G. Ruckert 1960-3-26 45 Napa 6495 Dry Creek Road, field to right of private road leading in to property 365 Comment
  CAS-BOT-BC445239  Portulaca oleracea R. E. Frenkel 1963-10-27 292 Napa In the vinyard north of Oakville Cross Road Comment
  UCD73521  Potamogeton nodosus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD73851  Prosartes hookeri Ellen Dean; S. Rae 2008-5-21 4986 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 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
  UC12814  Prunus subcordata W. L. Jepson 1891-6-1 Napa Vaca Mountains Comment
  JEPS106909  Pseudognaphalium luteoalbum Jake Ruygt 1987-7-23 2079 Napa Willis Dr., Napa 15 Comment
  UCD19930  Pseudognaphalium luteoalbum E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 787 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  CAS-BOT-BC356981  Pseudognaphalium luteoalbum Peter H. Raven 1952-5-31 4161 Napa Flood plain of Rector Creek 121 Comment
  CAS-BOT-BC356982  Pseudognaphalium luteoalbum John W. Willoughby 1979-5-25 4298 Napa Vaca Mountains. Pansy Flat (ca. 1 mile south of Signal Hill) 609 Comment
  JEPS84600  Pseudognaphalium luteoalbum John W. Willoughby 1979-5-25 4298 Napa 1 mi s Signal Hill (below stock pond); Vaca Mountains, Pansy Flats 609 Comment
  JEPS106963  Pseudognaphalium stramineum Jake Ruygt 1996-3-30 3544 Napa Jameson Vineyards, South Kelly Road. 91 Comment
  CAS-BOT-BC357566  Pseudognaphalium stramineum Peter H. Raven 1953-10-4 6368 Napa Duttons Landing 0 Comment
  CAS-BOT-BC357567  Pseudognaphalium stramineum Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD63177  Pseudognaphalium thermale Jake Ruygt 1988-8-14 2231 Napa Berryessa-Knoxville Rd. at Pope Canyon Road. 143 Comment
  CDA10857  Psilocarphus tenellus G. F. Hrusa, M. Rejmanek 1993-5-15 10952 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SEINET10871110  Psoralea physodes Peter H. Raven 1964-5-9 Raven 19042 Napa Edge of small grove of sequoia along dirt road 2 mi w of aetna springs. Comment
  CAS-BOT-BC72605  Pteridium aquilinum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, Mt. Veeder Comment
  UCD160567  Pteridium aquilinum var. pubescens G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  POM182705  Pterostegia drymarioides D. D. Keck 1931-4-2 1024 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 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
  UCD100922  Pterostegia drymarioides E. Hyde 1938-4-28 s.n. Napa Putah Canyon. Comment
  CAS-BOT-BC460820  Pyrola aphylla H. D. Ripley; R. C. Barneby 1945-6-21 6936 Napa South of Pope Valley 579 Comment
  UCD167051  Pyrola picta Jake Ruygt 1990-5-19 2558 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29. 152 Comment
  UC292741  Pyrrocoma racemosa var. racemosa C. C. Parry Oct 1881 Napa Calistoga Comment
  CDA11895  Quercus X chasei G. F. Hrusa, G. L. Stebbins 1994-4-8 11725 Napa North Coast Biodiversity Arena; Large tree along road at Aetna Springs resort. 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-BC61806  Quercus agrifolia Peter Raven; G. L. Stebbins 1953-4-19 5343 Napa north side of Pope Creek between Samuels Spr. and Walters Spr. 243 Comment
  HSC83359  Quercus agrifolia W. C. Overton 1980-7-13 Napa S bank of Eticuera Creek 1.5 mi N of Lake Berryessa 177 Comment
  JEPS37806  Quercus agrifolia W. L. Jepson 1937-4-10 18004 Napa Adam-and-Eve Ridge Howell Mt. Comment
  RSA181899  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa St. Helena; Napa River Basin Comment
  CDA35900  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Upper end of Lake Hennessey along Hwy 128. Comment
  RSA608861  Quercus agrifolia var. agrifolia Louis C. Wheeler 1963-9-16 8392 Napa Moore Creek Prospect, E of St. Helena. Comment
  UCD45147  Quercus alba Bill Davis 1966-9-26 s.n. Napa Veterans' Home Memorial Grove, Napa Co., Cal. (origin: Fredricksburg) Comment
  CDA13773  Quercus berberidifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1994-10-29 s.n. Napa North Coast Biodiversity Arena; S side of Lake Hennessey at upper end of lake above Hwy 128. Comment
  JEPS116528  Quercus berberidifolia Jake Ruygt 2002-4-1 4379 Napa Blue Ridge north of Mays Flat. Knoxville 7.5' Quad. Comment
  SBBG111411  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 -8 Napa Hwy 28, 7.7 mi (by rd) W of jct with Hwy 37; above Sage Crk Comment
  UCD14835  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -8 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45203  Quercus berberidifolia Thomas Morley 1941-5-11 125 Napa Elevation 461 feet. On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. 140 Comment
  UCD45854  Quercus berberidifolia Thomas Morley 1941-5-11 128 Napa On west bank of Putah Creek immediately above junction with Butts Creek, Napa County. Elevation 461 feet. 140 Comment
  CAS-BOT-BC62454  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62461  Quercus chrysolepis Mrs. E. C. Suttiffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  JEPS37851  Quercus chrysolepis Willis L. Jepson 1893-9-23 Napa Summit of Mt. St. Helena Napa River Basin Comment
  UCD120918  Quercus chrysolepis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7339 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  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
  JEPS37330  Quercus douglasii W. L. Jepson 1904-6-3 2435 Napa St. Helena to Howell Mt. Comment
  UC993150  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
  UCD14551  Quercus douglasii John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -12 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  JEPS37346  Quercus durata W. L. Jepson 1895-11-25 Napa La Jota Plateau Howell Mt. Comment
  JEPS37351  Quercus durata W. L. Jepson 1930-10-19 15693 Napa Butts Canyon Comment
  RSA8544  Quercus durata J. T. Howell 1933-8-27 11642 Napa Sage Canyon, Napa Range. Comment
  SD225777  Quercus durata John M. Tucker 1950-11-12 2014 26 Napa Highway 28, 7.7 mi. (by road) west of junction with Highway 37; southeast-facing hillslope above Sage Creek; Comment
  UCD14811  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -13 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14818  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -7 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14823  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -19 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14828  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -29 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14839  Quercus durata John M. Tucker 1950-11-12 2014 -17 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD149623  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Capell Creek. Comment
  UCD170830  Quercus durata 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD45888  Quercus durata Beecher Crampton 1962-10-9 6706 Napa northend of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  UCD45934  Quercus durata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Mac Laughlin UC Natural Reserve. 680 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
  JEPS37948  Quercus garryana W. L. Jepson 1916-8-6 6833 Napa Howell Mt. Comment
  UC519301  Quercus garryana Joseph P. Tracy 1933-6-2 12470 Napa 3-4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 457 Comment
  UCD46206  Quercus garryana John M. Tucker 1950-11-5 2005 1 Napa California, Napa Co.; near Angwin, on Howell Mountain, beside road from Pope Valley. (Collections made from 8 trees). Comment
  UCD148742  Quercus garryana var. garryana Jake Ruygt 2004-7-31 4638 b Napa Napa County; near top of Buzzard's Roost. 594 Comment
  UCD14960  Quercus garryana var. garryana John M. Tucker 1976-10-24 4385 Napa California, Napa Co.; beside Dry Creek Road, 1.4 mi. east of junction with Wall Road, and 4.4 mi. (by road) southwest of Oakville; Comment
  UCD46093  Quercus garryana var. garryana J. M Tucker 1952-4-17 2349 Napa Tree on bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  UCD46098  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2355 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. 335 Comment
  CAS-BOT-BC105300  Quercus kelloggii Alice Eastwood 1922-5-14 11314 Napa Mt. St. Helena Comment
  JEPS37762  Quercus kelloggii Willis L. Jepson 1901-11-17 1752 Napa St. Helena Napa River Basin Comment
  JEPS46697  Quercus kelloggii W. L. Jepson 1934-10-11 16899 Napa St. Helena Sanitarium Comment
  UC5616  Quercus kelloggii unknown 1860-1 1888 Napa Mt. Helena Comment
  UCD120920  Quercus kelloggii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7340 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD14959  Quercus kelloggii John M. Tucker 1976-10-24 4384 Napa California, Napa Co.; beside Dry Creek Road, 1.4 mi. east of junction with Wall Road, and 4.4 mi. (by road) southwest of Oakville; Comment
  JEPS116539  Quercus lobata Jake Ruygt 1988-5-1 2164 Napa Aetna Springs Road near resort. Aetna Springs 7.5' Quad. Comment
  UCD48374  Quercus lobata Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, 3 m from end of Decker Bay Trail and 20 m from edge of Lake Berryessa. 146 Comment
  CAS-BOT-BC104985  Quercus wislizeni Belle Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  UCD47484  Quercus wislizeni W. C. Overton Jr. 1980-7-13 s.n. Napa Along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa County, California. Location is to 20.00 mile marker) where the creek turns sharply to the NW away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to NE of the limits shown in Griffin and Critchfield, 1972). 176 Comment
  JEPS110891  Ranunculus aquatilis var. capillaceus Jake Ruygt 1996-3-30 3539 Napa Jameson Vineyards, South Kelly Road. 67 Comment
  JEPS54960  Ranunculus californicus W. L. Jepson 1893-4-25 Napa summits w St. Helena Comment
  POM182737  Ranunculus hebecarpus D. D. Keck 1931-4-2 1048 Napa 4 miles S of Monticello, eastern Napa County. Comment
  POM268693  Ranunculus lobbii W. L. Jepson 1893-5-1 s.n. Napa Upper Napa Valley, near Calistoga; Napa River basin Comment
  UCD96168  Ranunculus lobbii R. H. Miller 1949-4-6 19 Napa north side of Highway 37, 1/2 mile west of Napa. Comment
  UCD83671  Ranunculus muricatus Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 6 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 183 Comment
  CDA12063  Ranunculus occidentalis G. F. Hrusa, J. Messina 1989-3-3 5871 Napa North Coast Biodiversity Arena; Slopes around Lake Berryessa. This from along Hwy 128 entrance to Quail Ridge Reserve. Comment
  JEPS110879  Ranunculus occidentalis Jake Ruygt 1980-4-4 825 Napa Foss Valley 445 Comment
  UCD168562  Ranunculus occidentalis Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD49120  Ranunculus occidentalis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 1 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd., S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  UCD96925  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD96938  Ranunculus occidentalis H. Popenoe 1949-4-17 9 Napa 17 miles from Winters, at entrance to Monticello Valley. Comment
  POM268381  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  UCD117469  Ranunculus occidentalis var. occidentalis Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside opposite drainage pipe. 519 Comment
  UCD170810  Ranunculus occidentalis var. occidentalis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 160 Comment
  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
  JEPS55102  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1945-3-28 27555 Napa about 3 mi se Yountville; Napa Valley Comment
  JEPS110990  Ranunculus pusillus Jake Ruygt 1982-6-1 1301 Napa .3 mile north of Chimney Rock Golf Cours on Silverado Trail 20 Comment
  OBI14977  Raphanus raphanistrum R. L. Hoover 1968-4-20 54 Napa .25 mi from Pope Valley jctn, E on Chiles & Pope Valley Rd, in field E of service station Comment
  UCD160037  Raphanus raphanistrum Steve Wathan 2015-3-10 2015- 2 Napa McLaughlin UC Reserve. Knoxville Mine site, ca. 7 miles south of McLaughlin Field Station. Collected near old mill foundation. 396 Comment
  UCD63166  Rhagadiolus stellatus Jake Ruygt 1979-4-24 553 Napa 2.2 miles NW of Browns Valley Rd. on Redwood Rd. 109 Comment
  UCD74323  Rhagadiolus stellatus Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS42004  Rhamnus crocea W. L. Jepson 1916-12-5 6588 Napa Howell Mt. Comment
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  CHSC75009  Rhamnus tomentella D. Sanchez-Mata 1996-6-22 Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  UC592788  Rhamnus tomentella subsp. crassifolia unknown 1928-2-25 1506 Napa 3 mi n summit of Mt. St. Helena Grade (near Lake-Napa Cos. line) Comment
  JEPS753  Rhamnus tomentella subsp. tomentella W. L. Jepson 1897-7-12 13980 Napa near Samuel's Springs Comment
  RSA7865  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1928-2-25 1509 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. 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
  UC796459  Rhododendron occidentale Ira L. Wiggins 1949-4-20 12093 Napa near the Lake County line (on ne slopes of Mount St. Helena); Mount St. Helena Comment
  CAS-BOT-BC168115  Rhus aromatica Elizabeth Wright 1923-3-20 s.n. Napa Capell Cr. between St. Helena & Putah Cr. Canyon Comment
  JEPS49465  Ribes roezlii var. cruentum Willis L. Jepson 1893-4-25 13525 Napa trail to Caux's Knob (mts. w of St. Helena); Napa River Basin Comment
  JEPS126025  Ribes sanguineum var. glutinosum Jake Ruygt 1982-3-22 1139 Napa Marie Creek, Skyline Park. Mount George 7.5' Quad. Comment
  JEPS110836  Ribes victoris Jake Ruygt 1989-4-1 2243 Napa Oat Hill Mine Rd. west of Halfway House 548 Comment
  UC1299685  Ribes victoris Freed W. Hoffman 1947-3-12 761 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  UCD167010  Ribes victoris Jake Ruygt 1980-5-4 874 Napa Van Ness Canyon. 609 Comment
  UCD167046  Ribes victoris Jake Ruygt 1988-4-11 2146 Napa Newell Canyon. 158 Comment
  UCD148814  Rigiopappus leptocladus Ellen Dean; Diana Hickson 2014-4-29 8120 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD170437  Rigiopappus leptocladus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 909 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road. 348 Comment
  SEINET5708897 Image available Rigiopappus leptocladus Glen Holstein 1977-1 s.n. Napa Along State Hwy 128, 0.2 miles south of intersection with Berryessa-Knoxville Road, Capell Valley.; Capell Valley Comment
  UC165855  Rigiopappus leptocladus J. P. Tracy 1899-6-13 421 Napa Chamiso ridge Howell Mountain 457 Comment
  UCD63167  Rigiopappus leptocladus Jake Ruygt 1983-5-29 1467 Napa Napa Valley: Knoxville. 426 Comment
  CAS-BOT-BC340993  Robinia pseudoacacia Alice Eastwood 1915-6-5 s.n. Napa Calistoga Comment
  UC126649  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7113 Napa Alta Loma Ranch Howell Mountain 487 Comment
  SEINET7665491  Rosa gymnocarpa H. P. Chandler 1906-1 7112 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  UCD118112  Rumex acetosella Megan Mateo; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  JEPS110756  Rumex crispus Jake Ruygt 1979-3-7 440 Napa Marina Drive at South Coombs 3 Comment
  JEPS115755  Rumex dentatus Lowell 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 miles (air) northwest of 130 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
  HSC70625  Rupertia physodes J. M. DiTomaso 1980-6-12 1579 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  SEINET3269560 Image available Rupertia physodes M. F. Wojciechowski, K. P. Steele 2000-5-20 889 Napa Along CA 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  UCD54296  Saccharum ravennae Jeffrey L. Firestone 2004-7-14 1 Napa McLaughlin Reserve; precisely at the intersections of Sections 1,2,11,12 of Range 5W, Township 11N. Alternately near waterline of holding ponds at western base of site 5 waste rockpile, to the southwest of the Homestake main pit and the former Manhattan mine site. Comment
  JEPS122750  Sagittaria sanfordii Jake Ruygt 2011-6-11 5801 Napa Solano Ave. north of Ragatz Lane, 100 ft south of Town of Yountville sign. Quad: Yountville. Comment
  CAS-BOT-BC102890  Salix breweri John Thomas Howell 1961-3-31 36473 Napa near Conn Dam Comment
  CAS-BOT-BC108663  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC108671  Salix breweri David D. Keck 1931-5-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  CDA10937  Salix breweri G. F. Hrusa, K. Lyons 1994-4-29 11849 Napa North Coast Biodiversity Arena; Creekbed of Pope Creek, where Rd. crosses creek. Approx. 3 m. E of junction of Pope Valley Rd & Chiles Valley Rd. Comment
  POM180777  Salix breweri J. T. Howell 1930-10-19 5629 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
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Mar 6 2011
  SJSU186  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon between Pope Springs & Aetna Valley 335 Comment
  UC482099  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UC482101  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley (about 1 1/2 mi from entrance of canyon); Butt Canyon Comment
  UC482103  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 a Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UCD48205  Salix breweri Ryan Knox; E. McDermott, G. Walden 2002-4-13 2 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, from Knoxville Creek's bank. 432 Comment
  UCR64474  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa North Coast Ranges, Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  POM202753  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UCD110949  Salix exigua Bob Wych 1975-5-29 37 Napa Wragg Canyon Road, 0.2 mile north of intersection with State Highway 128. Comment
  UC483319  Salix exigua var. hindsiana Ira L. Wiggins 1932-3-12 5756 Napa 1 mi n Calistoga; N. Fork Napa R. Comment
  CAS-BOT-BC108191  Salix hindsiana Paul H. Jr. Arnaud 1978-5-6 s.n. Napa Steele Resort Park, Lake Berryessa 100 Comment
  CAS-BOT-BC108192  Salix hindsiana H. L. Mason 1926-3-14 2719 Napa Along stream in grove, Mount St. Helena Comment
  JEPS38385  Salix laevigata W. L. Jepson 1900-3-8 506 Napa Hunt's Meadow St. Helena Comment
  UCD164804  Salix laevigata Jake Ruygt 1995-3-17 3407 Napa Silverado Trail east of Souza land, Napa. 3 Comment
  JEPS13064  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2343 Napa St. Helena Napa River Basin, St. Helena Comment
  CDA21154  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Napa North Coast Biodiversity Arena; Hwy 128 at Lake Hennessey. Comment
  POM202751  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC519393  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  CAS-BOT-BC539352  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 mi NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  UC726994  Salix lasiolepis A. A. Heller 1900-3-18 5097 Napa near Santa Rosa; Santa Rosa Creek Comment
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May 1 2014
  CAS-BOT-BC124419  Salix lasiolepis var. lasiolepis C. R. Quick; J. A. Vogtmann 1933-3-2 s.n. Napa Ualtis Creek, Weldon Canyon, slope in Vaca Mts. 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
  UCD125700  Salvia columbariae M. Wiesendanger 1927-5-4 688 Napa Monticello - Napa Rd. Comment
  UCD48055  Salvia columbariae J. Howard; M. Carson, A. Haselby, P. Mayers 2000-4-29 15 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS106729  Sambucus mexicana Jake Ruygt 1989-5-27 2350 Napa Napa River about 50 yards south of Lincoln Ave., Napa 6 Comment
  UCD137701  Sambucus nigra subsp. caerulea M. Wiesendanger 1926-4-1 1499 Napa exact location unknown. Comment
  JEPS45507  Sanguisorba minor subsp. muricata Ethyl K. Crum 1930-7-13 813 Napa near Calistoga; near Calistoga Comment
  UCD128014  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCD169881  Sanicula bipinnatifida Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 721 Napa Knoxville Wildlife Area. 352 Comment
  UC658970  Sanicula bipinnatifida Mildred E. Mathias 1937-5-23 1280 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  UCD149698  Sanicula crassicaulis Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD73416  Sanicula crassicaulis 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
  UCD73417  Sanicula laciniata 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
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Jan 25 2012
  CAS-BOT-BC94882  Saxifraga californica R. C. Wenk 2006-4-30 438 Napa Robert Louis Stevenson S.P., trail E from Hwy 29 parking lot for trail to Mt. St. Helena, 0.5 mi from lot on left side Comment
  POM262887  Saxifraga californica J. C. Roos 1939-3-27 304 Napa Snell Valley Comment
  UCR24390  Saxifraga californica John C. Roos 1939-3-27 304 Napa North Coast Range, Snell Valley, Pacific Union College, Angwin 549 Comment
  NY186197  Saxifraga napensis G. Thurber 03 1852 496 Napa 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-BC21127  Schoenoplectus acutus var. occidentalis Peter H. Raven 1951-9-9 3910 Napa Slaughterhouse Pt., Napa River. 0 Comment
  CAS-BOT-BC21128  Schoenoplectus acutus var. occidentalis Peter H. Raven 1952-5-31 4118 Napa 2.5 miles east of Yountville. 60 Comment
  UCD20760  Schoenoplectus pungens var. longispicatus M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 110 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  JEPS121364  Scirpus fluviatilis Jake Ruygt 1991-7-20 2795 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa - Knoxville R. Comment
  JEPS63963  Scirpus microcarpus W. L. Jepson 1916-8-6 6841 Napa Moore's Creek , Moore's Creek (Howell Mt.) 487 Comment
  UCD41311  Scleranthus annuus subsp. annuus Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, N side of stream, 0.5 road miles from gate to old town of Knoxville. 365 Comment
  UCD169890  Scrophularia californica Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 730 Napa Knoxville Wildlife Area. 311 Comment
  JEPS110741  Scrophularia californica subsp. californica Jake Ruygt 2000-4-3 4228 Napa Henry Road, Carneros Valley. 167 Comment
  JEPS112643  Scutellaria californica Jake Ruygt 1992-6-11 3029 Napa below South lake, Wild Horse Valley Ranch 426 Comment
  UCD15614  Scutellaria californica Lisa Montany 1985-6-1 34 Napa Highway 128, 0.5 miles west of Conn Dam, north of road in clearing. 76 Comment
  UC1713646  Scutellaria siphocampyloides Goff and Calvi 1936-5-1 Napa 5.5 mi from Napa (on Monticello Road up old wagon road 1/4 mi, (then left to on top of ridge near eucalyptus tree)); North Bay Counties Comment
  CDA11429  Scutellaria tuberosa G. F. Hrusa, M. Tu 1995-5-6 12152 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  JEPS112645  Scutellaria tuberosa Jake Ruygt 1979-4-6 483 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 219 Comment
  JEPS129095  Scutellaria tuberosa Jake Ruygt 2016-4-26 6208 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD54648  Scutellaria tuberosa Collector Unknown 2006-3-3 s.n. Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UC25836  Scutellaria tuberosa Willis L. Jepson 1893-5-9 Napa Nebaum's Dam; Napa River Basin, Nebaum's Dam Comment
  CAS-BOT-BC417005  Sedella pumila A. A. Heller; H. E. Brown 1902-4-25 5360 Napa near Napa Comment
  POM142366  Sedella pumila A. A. Heller, H. E. Brown 1902-4-25 5360 Napa Near Napa Comment
  UCD164852  Sedella pumila Jake Ruygt 2012-4-21 5822 Napa Crystal Flats, west of Putah Creek. 222 Comment
  RSA0074712  Sedum spathulifolium D. D. Keck 1933-5-29 2354 Napa Pope Creek bridge south of Walters Springs. Comment
  UCD19298  Selaginella James French 1970-4-17 s.n. Napa State Hwy 121, 7 mi. NE of Napa. Comment
  CAS-BOT-BC69711  Selaginella wallacei John Thomas Howell 1941-4-5 16163 Napa Franz Valley. Comment
  CAS-BOT-BC69712  Selaginella wallacei John Thomas Howell 1930-3-23 4557 Napa E. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  UCR254842  Selaginella wallacei Greg de Nevers 1998-2-16 11137 Napa North Coast Range, Devils [Punchbowl] Falls [Bell Canyon Creek near Angwin] 320 Comment
  JEPS37306  Senecio aronicoides Willis L. Jepson 1893-4-28 Napa Wooden Valley grade Napa River Basin Comment
  POM5756  Senecio eurycephalus C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  JEPS37181  Senecio flaccidus var. douglasii W. L. Jepson 1894-10-13 Napa Conn Creek, mouth of Conn Valley Conn Valley Comment
  RSA183412  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa Summit of Oakvillegrade Road, ca. 4 miles southwest of Oakville. Comment
  CDA11136  Senecio vulgaris G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11826 Napa North Coast Biodiversity Arena; Mt. George Comment
  UCD19953  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd. 0.7 airline miles N of junction of West Rd. and Decker Canyon Trail. 213 Comment
  SEINET5607927 Image available Sequoia sempervirens Richard Vanderwall Unknown Napa Calistoga Comment
  UC28464  Sherardia arvensis H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS50083  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  JEPS97957  Sidalcea diploscypha K. Andreasen 1998-6-27 273 Napa at crossing of road and Moore Creek just E of 4-H camp Las Posadas State Forest Comment
  UC871440  Sidalcea diploscypha M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  UCD116608  Sidalcea diploscypha Richard Beaver 1965-5-1 147 Napa 4.5 miles north of Calistoga, State Highway 29. Comment
  RSA195296  Sidalcea hartwegii Gilbert Muth 1967-5-17 674 Napa Oat Hill Road, Calistoga 244 Comment
  UCD170380  Sidalcea keckii Daniel Potter; N Khuu 2016-5-8 877 Napa West of Nevada Creek, west of Knoxville Wildlife Area. 294 Comment
  UCD49174  Sidalcea keckii Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Tom Liebmann 2001-4-28 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found on NW side of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft) NW of jct with S. Decker Canyon Rd. 237 Comment
  UCD116626  Sidalcea keckii Robert E. Preston 1988-4-10 582 Napa 0.3 mile SE of confluence of Putah and Hunting Creeks. 243 Comment
  UCD144649  Silene antirrhina Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UC465677  Silene californica H. P. Chandler 1907-5-26 7591 Napa White Sulphur Spr St. Helena, White Sulphur Spr Comment
  CAS-BOT-BC388147  Silene gallica Elsa G. Ruckert 1960-5-1 135 Napa 6495 Dry Creek Road; west of house next to compost heap. 365 Comment
  CAS-BOT-BC388148  Silene gallica Doris K. Kildale 1928-5-8 5052 Napa 1/2 mile from Napa Solano County line, on road to Vacaville. Comment
  UCD151215  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  CAS-BOT-BC74904  Sinapis arvensis Peter H. Raven 1952-5-29 4073 Napa Napa River 1 mile north of Napa. 60 Comment
  CAS-BOT-BC75288  Sisymbrium officinale Elsa G. Ruckert 1960-4-3 65 Napa 6495 Dry Creek Road. West of house. 365 Comment
  CAS-BOT-BC75287  Sisymbrium officinale Betty H. Johnson 1958-6-15 640 Napa 0.25 mile above Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  SEINET3876398  Sisyrinchium bellum J. F. Addicott 1965-3-19 6 Napa Dollarhide Road, 3.5 miles east of Pope Valley.; 0 183 Comment
  UCD118612  Sisyrinchium bellum Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD170211  Sisyrinchium bellum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 746 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  UCD48248  Sisyrinchium bellum R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 12 Napa The border between Yolo and Napa counties, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burn area (burned Oct 1999). 640 Comment
  UCD48736  Sisyrinchium bellum C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 14 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. N of drainage between West Rd. and Decker Bay Trail; approx. 90' NW of jct of West Rd. and Decker Bay Trail. 160 Comment
  UCR179186  Sisyrinchium bellum L. P. Thibault 1995-5-19 43 Napa Coast Range, edge of Hwy 128 c. 0.5 mi. west of intersection of Lower Chiles Valley Rd. and west of Sage Creek 250 Comment
  UCD13201  Sisyrinchium bellum Charles Martin 1986-4-20 2 Napa California: Napa Co. 3 mi W of Monticello Dam, along hwy 128. Elev. ca. 1000 ft. 304 Comment
  UCD138784  Sisyrinchium bellum Lorraine Clarke 1977-4-16 26 Napa East Bull Canyon 6.4 miles by road SSW of Monticello Dam along Highwya 128, 0.5 miles away from Highway 128. 182 Comment
  UCD138805  Sisyrinchium bellum Alan P. Godlewski 1974-5-3 s.n. Napa on a north slope, west of Lake Berryessa 50 yards from Highway 128. Comment
  UCD19865  Sisyrinchium bellum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1200 Napa Lower slopes of Mount St. Helena, view spot north of Calistoga, along Hwy 29. Comment
  JEPS122676  Sium suave Jake Ruygt 1979-7-3 732 Napa Napa River south of Trancas St. Quad: Napa. Comment
  JEPS113974  Smilax californica Jake Ruygt 1989-5-27 2349 Napa Napa River about 50 yards south of Lincoln Ave., Napa. Napa 7.5' Quad. Comment
  UCD49293  Solanum parishii A. Collier; D. Caterson and S. Kenady 2002-5-4 14 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, 2 m N of road. 335 Comment
  UC26280  Solanum umbelliferum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  CAS-BOT-BC156678  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa Howell Mt. Comment
  SEINET5760783  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa North Coast Ranges; east slope in the Howell Mountains, 5 miles east of Napa 457 Comment
  UC614509  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa 5 mi e of Napa (e slope in the Howell Mountains); North Coast Ranges, Howell Mountains 457 Comment
  UCD160791  Solidago Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8671 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
  JEPS106876  Solidago velutina subsp. californica Jake Ruygt 1990-7-14 2602 Napa Yountville Ecological Reserve, Napa River at Yount.Cross 28 Comment
  CAS-BOT-BC365998  Sonchus asper R. E. Frenkel 1963-10-27 299 Napa In the vinyard north of Oakville Cross Road Comment
  CHSC102297  Sonchus asper subsp. asper Lowell Ahart 2009-10-12 16429 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
  CAS-BOT-BC390564  Spergularia rubra Peter H. Raven 1953-10-4 6366 Napa Duttons Landing 3 Comment
  CAS-BOT-BC390566  Spergularia rubra Elsa Ruckert 1960-4-9 79 Napa 6495 Dry Creek Road. Terrace in front of house 365 Comment
  SBBG4738  Sphaeralcea ambigua H. and M. Dearing 1939-4-9 3144 Napa Spring Mtn Grade Comment
  JEPS62962  Stachys ajugoides W. L. Jepson 1894-11-7 14960 Napa Asylum Field Napa Comment
  JEPS112631  Stachys ajugoides var. rigida Jake Ruygt 1996-4-20 3616 Napa Jameson Vineyards, Jameson Canyon. 79 Comment
  JEPS63063  Stachys ajugoides var. rigida W. L. Jepson 1936-5-31 17575 Napa La Jota plateau Howell Mtn. Comment
  JEPS112647  Stachys albens Jake Ruygt 1986-6-28 1851 Napa .4 mile south of Snell Valley Rd. on Butts Canyon Rd. 216 Comment
  JEPS62975  Stachys albens W. L. Jepson 1936-7-6 17652 Napa Sage Canyon Napa Range Comment
  UCD18106  Stachys albens K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 42 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
  POM118339  Stachys rigida subsp. quercetorum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD126061  Stachys rigida var. quercetorum M. Wiesendanger 1927-5-4 686 Napa Near Monticello. Comment
  UCD126032  Stachys rigida var. rigida M. Ensign 1943-5-28 308 Napa 10 miles N of Monticello on road to Lower Lake. Comment
  UCLA85559  Stachys stebbinsii C. Epling, H. Lewis 1941-5-9 Napa 11.1 mi s St. Helena Comment
  UCD148834  Stachys stricta Ellen Dean; Diana Hickson 2014-4-29 8139 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD18020  Stellaria nitens Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 565 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  CAS-BOT-BC375245  Stephanomeria elata Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley 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
  HSC100782  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along W side of Capell Creek, N of rest area, 3/4 mi. SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd., 19 (air) mi. W of Winters. 133 Comment
  UCD161262  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2005-10-8 4949 Napa Pope Canyon Rd. near high water range of Lake Berryessa (Landucci). (Coordinates estimated by label maker at UC Davis). 164 Comment
  JEPS36826  Stephanomeria virgata subsp. virgata Willis L. Jepson 1893-9-24 Napa Near Angwin's; Napa River Basin, Howell Mt. Comment
  JEPS122966  Stipa pulchra Jake Ruygt 1997-3-18 3806 Napa Greenfield Road. Quad: Saint Helena. Comment
  CAS-BOT-BC61247  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just south of summit on Butts Canyon road from Pope Valley. Comment
  UCD167702  Streptanthus breweri W. Robert Powell 1977-4-16 2487 Napa Just east of Butts Canyon Road. 2.5 air miles from Aetna Springs. 4.0 air miles from town of Pope Valley. (Exact location unknown. Coordinates estimated by label maker.) 277 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
  UCR51812  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Coast Range, Conn Valley 183 Comment
  CAS-BOT-BC87151  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-3 6120 Napa Napa Range. Pope Creek Canyon, 8 miles from Monticello. Comment
  CAS-BOT-BC87152  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6453 Napa Conn Valley. Comment
  CAS-BOT-BC87156  Streptanthus glandulosus subsp. glandulosus David D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles northwest of Monticello. Comment
  CAS-BOT-BC87164  Streptanthus glandulosus subsp. glandulosus Clara A. Hunt 1923-4-1 s.n. Napa Mountains near Saint Helena. Comment
  JEPS106601  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1991-5-18 2681 Napa above Cooksley Lake, Friesen's Lakes 685 Comment
  JEPS84639  Streptanthus glandulosus subsp. glandulosus John W. Willoughby 1977-4-20 2145 Napa w side of ridge below and just to s Mount Vaca; Vaca Mountains, Blue Ridge 457 Comment
  UC1278007  Streptanthus glandulosus subsp. glandulosus B. Crampton 1957-5-16 4043 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UC187983  Streptanthus glandulosus subsp. glandulosus Edw. L. Greene 1895-4-1 Napa Dry Creek Comment
  UCD116013  Streptanthus glandulosus subsp. glandulosus Robert E. Preston 1988-4-10 578 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD81180  Streptanthus glandulosus subsp. glandulosus Roger Willmarth; A. Fulks 2009-4-10 s. n. Napa Inner North Coast Range along Napa/Yolo County border. Blue Ridge on the east side of Lake Berryessa, north of Green Canyon. 487 Comment
  UC1736739  Streptanthus hesperidis Dean W. Taylor 1998-6-23 16689 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UCD116022  Streptanthus hesperidis Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties, Butts Canyon. Comment
  UCD160653  Streptanthus hesperidis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8739 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD164232  Streptanthus hesperidis N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 310 Napa Knoxville-Devilhead road, towards Hunting Creek.(Coordinates estimated by label maker). Comment
  CAS-BOT-BC87330  Streptanthus hesperidis Roger Raiche 1986-5-5 60213 Napa Near Middletown, ca. 2 miles north on state route 29. 304 Comment
  CAS-BOT-BC87393  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa At junction of Hunting Creek with Rare Plant Canyon. 365 Comment
  UCD75709  Streptanthus morrisonii Jake Ruygt 2008-4-12 5285 Napa About 1.5 miles northwest of Zim-Zim Falls. 530 Comment
  JEPS106597  Streptanthus tortuosus var. tortuosus Jake Ruygt 1984-3-31 1519 Napa Devil's Canyon 554 Comment
  JEPS106730  Symphoricarpos albus var. laevigatus Jake Ruygt 1988-4-11 2148 Napa canyon to the north of American Canyon 140 Comment
  CAS-BOT-BC97736  Symphyotrichum chilense Peter H. Raven 1951-6-26 3091 Napa Cappell Valley to Wooden Valley 329 Comment
  CAS-BOT-BC98078  Symphyotrichum lentum Peter H. Raven 1951-6-24 3002 Napa Napa 30 Comment
  JEPS104532  Symphyotrichum spathulatum Jake Ruygt 1978-8-7 390 Napa .3 miles west of Big Ranch rd. on Oak Knoll Ave. 22 Comment
  UCD107008  Taraxia ovata Richard Beaver 1965-5-1 148 Napa 5 miles south of St. Helena on State Highway 128. 45 Comment
  JEPS106595  Thelypodium brachycarpum Jake Ruygt 1982-6-15 1325 Napa Devilshead Rd. area north of Cedar Creek on road to Hunting Cr 387 Comment
  UC1222478  Thermopsis californica var. californica Joseph P. Tracy 1949-4-22 18285 Napa brushy hillside by reservoir; Conn Valley 91 Comment
  UCD39033  Thermopsis californica var. californica Beecher Crampton 1962-5-16 6419 Napa Chiles Valley, above Sage Creek. Comment
  HSC43989  Thermopsis macrophylla Robert M. Specht 1977-4-13 650 Napa 524 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
  JEPS106588  Thysanocarpus curvipes Jake Ruygt 1992-4-3 2879 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  JEPS106593  Thysanocarpus curvipes Jake Ruygt 1996-4-10 3574 Napa Drainage south of Milliken Peak. 167 Comment
  JEPS54167  Thysanocarpus curvipes W. L. Jepson 1897-5-2 30 f Napa St. Helena Comment
  SEINET7072529  Thysanocarpus curvipes A. G. Vestal 1963-4-8 s.n. Napa On Route 128 abut 5.2 miles east of the turn off to Pope Valley Road. Coordinate datum: NAD 27. Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UC11032  Thysanocarpus curvipes W. L. Jepson 1893-4-25 Napa St. Helena Comment
  CAS-BOT-BC66490  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  CAS-BOT-BC66518  Thysanocarpus curvipes R. H. Platt 1898-3-24 s.n. Napa Vaca Mountains. Comment
  UC857529  Thysanocarpus curvipes Milo S. Baker 1940-4-23 9552 Napa on Pope Creek 7 mi from Monticello; on Pope Creek Comment
  JEPS54141  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa on road to Myrtledale Hot Springs 1 1/4 mi from Calistoga Comment
  CAS-BOT-BC67309  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles south of Monticello, eastern Napa county. Comment
  JEPS666 Image available Thysanocarpus radians W. L. Jepson 1893-4-28 30 n Napa plateau n Mt. George; Napa River Basin Comment
  JEPS667 Image available Thysanocarpus radians W. L. Jepson 1893-4-28 30 n Napa plateau n Mt. George Comment
  CAS-BOT-BC474518  Tonella tenella G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12024 Napa Quail Ridge Reserve, N slope below field house 370 Comment
  CHSC10710  Tonella tenella Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  SEINET3073146 Image available Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS63912  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19476 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63935  Toxicodendron diversilobum W. L. Jepson 1904-5-28 2427 Napa St. Helena, Spring Mt. Creek (York Creek) Comment
  UCD15984  Toxicoscordion fontanum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 1 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2'' N; 122 deg. 21' 11.7''W; 480 m. Comment
  UCD162096  Toxicoscordion fremontii Dylan O. Burge 2014-3-15 1494 Napa Mount Saint Helena. 760 Comment
  UCD169875  Toxicoscordion fremontii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 716 Napa Knoxville Wildlife Area. 257 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
  UCD147533  Toxicoscordion micranthum Ellen Dean; Diana Hickson 2014-4-29 8087 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD63857  Toxicoscordion venenosum var. venenosum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road. UC MacLaughlin Nature Reserve. Research Hill. 625 Comment
  CAS-BOT-BC220991  Trichostema Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line 316 Comment
  UCD18360  Trichostema lanceolatum L. S. Kimsey 1997-8-17 s.n. Napa Pope Valley, 0.25 miles south of Aetna Springs. Comment
  CDA30789  Trichostema laxum V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UCD20616  Trichostema laxum E. Dean; with M. Bibbo 2002-7-5 1163 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  UCLA54888  Trichostema laxum John Thomas Howell 1927-8-24 3046 Napa near Pope Valley Creek below Walters Springs Napa Range Comment
  JEPS120348  Trichostema ruygtii Jake Ruygt 2004-8-21 4648 Napa Atlas Peak Road about 1/4 mile north of Hardman Ave., near Silverado C. C. Napa 7.5' Quad. Comment
  JEPS120352  Trichostema ruygtii Jake Ruygt 1991-8-1 2808 Napa Los Posados Road near fire station. Saint Helena 7.5' Quad. Comment
  UCR25326  Trientalis latifolia John C. Roos 1939-4-29 290 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UC1925880  Trifolium Ethel Crum 1931-1 1056 Napa Pope Valley Comment
  JEPS126091  Trifolium albopurpureum Jake Ruygt 1995-4-29 3451 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Qua. Comment
  UCD107349  Trifolium albopurpureum Freed W. Hoffman 1947-4-9 1361 Napa North Coast Ranges, Bucksnort Creek. Comment
  UCD35294  Trifolium albopurpureum Beecher Crampton 1955-4-7 2430 Napa 7.8 miles north of Monticello. Comment
  CHSC79166  Trifolium albopurpureum var. dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  JEPS106692  Trifolium albopurpureum var. olivaceum Jake Ruygt 1996-4-12 3602 Napa Blue Ridge, north of Monticello Dam. 609 Comment
  CAS-BOT-BC208299  Trifolium amoenum Peter H. Raven 1951-6-24 3005 Napa Napa 30 Comment
  JEPS129097  Trifolium angustifolium Jake Ruygt 2016-4-30 6219 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS106694  Trifolium barbigerum var. barbigerum Jake Ruygt 1981-4-27 1007 Napa Milton Rd. across from Maury's Yachts 1 Comment
  UCD48974  Trifolium bifidum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 17 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
  UCD83440  Trifolium bifidum var. decipiens Jake Ruygt 1996-5-13 3677 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 466 Comment
  SEINET7063152  Trifolium breweri A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of Saint Helena on the Silverado Trail. UTM Zone 10, 544382mE, 4264735mN. (WGS84/NAD83). 70 Comment
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Jul 24 2018
  UCD108358  Trifolium depauperatum var. amplectens D. C. Finfrock 1950-4-6 21 Napa 14 miles from Monticello, Pope Valley. Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  JEPS95202  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-7 1173 Napa between Rocktram and Hwy 29 (221) Suscol Plain Comment
  UC555401  Trifolium depauperatum var. truncatum H. L. Mason 1928-4-13 4335 Napa near spring (Reili School) Comment
  RSA653959  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCR146187  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UCD109729  Trifolium dichotomum P. B. Kennedy 1903-4-20 s.n. Napa Mt. St. Helena. Comment
  UCD35287  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa 1/4 mile northwest of Knoxville. Comment
  UCD118747  Trifolium dubium Katherine Graham; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, along oak woodland. 388 Comment
  UCD83444  Trifolium dubium Jake Ruygt 1991-6-10 2714 Napa Lake Henne, Friesen's Lakes. 553 Comment
  UC1197025  Trifolium fucatum Joseph P. Tracy 1902-5-17 1521 Napa 3-4 mi e Angwin's (at head of Moore's Creek); Northern Coast Ranges, Howell's Mtn 365 Comment
  UCD35286  Trifolium fucatum Beecher Crampton 1955-4-7 2446 Napa 1/2 mile northwest of Knoxville. Comment
  POM126204  Trifolium fucatum var. fucatum C. F. Sonne 1887-04 1535 Napa Napa Junction Comment
  JEPS33666  Trifolium gracilentum var. gracilentum John Thomas Howell 1926-3-28 1776 Napa near Calistoga (Myrtledale Hot Springs) Comment
  UCD95677  Trifolium incarnatum Ellen Dean; with Clare Loughran 2011-5-20 7022 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS106710  Trifolium microcephalum Jake Ruygt 1980-5-3 867 Napa Oat Hill Mine Rd. at Twin Peaks 755 Comment
  UCD149707  Trifolium microdon Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD109176  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Napa Yontville cemetery. Comment
  JEPS129046  Trifolium obtusiflorum Jake Ruygt 2016-6-11 6283 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD35333  Trifolium obtusiflorum Beecher Crampton 1955-5-16 2795 Napa 8.5 miles west of Winters, just west of the Monticello Dam site. Comment
  JEPS4361  Trifolium oliganthum Willis L. Jepson 1893-4-24 13697 Napa e St. Helena (in hills) Comment
  UC165588  Trifolium oliganthum H. P. Chandler 1907-4-21 7524 Napa Napa Co. side of summit Comment
  JEPS126079  Trifolium pratense Jake Ruygt 1986-5-20 1781 Napa Napa Corporate Park (Suscol Plain). Cuttings Warf 7.5' Quad. Comment
  JEPS106718  Trifolium variegatum Jake Ruygt 1978-4-9 273 b Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UCD109430  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Napa Yountville cemetery. Comment
  UCD38371  Trifolium variegatum Beecher Crampton 1955-4-4 2389 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  POM313549  Trifolium variegatum var. melananthum P. B. Kennedy 1928-5-13 10146 Napa Napa to Sonoma highway 3 miles W. of Napa. Comment
  UC160947  Trifolium variegatum var. melananthum Joseph P. Tracy 1902-5-26 1633 Napa near Calistoga; Napa Valley 91 Comment
  UC16785  Trifolium variegatum var. variegatum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UCD109842  Trifolium willdenovii Heidi E. M. Dobson 1978-5-20 329 Napa East slope of Mt. Veeder. Comment
  UCD49030  Trifolium willdenovii S. Murphy; K. Keck and K. Dyer 2002-5-5 18 Napa Quail Ridge UC Reserve, northern tip of ridge, along N edge of upper road leading to power lines and tip parcels, NE from intersection of West and East Roads ca. 20 m. 328 Comment
  UCD49034  Trifolium willdenovii A. Van Houtte; E. Leger and C. Hohn 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  HSC15179  Trifolium willdenovii Greg Bos 1963-3-30 50 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  UCD83426  Trifolium wormskioldii Jake Ruygt 1981-5-13 1020 Napa American Canyon, 0.2 mi E of Flosden Rd. 36 Comment
  CAS-BOT-BC451904  Triglochin maritima Peter H. Raven 1952-8-26 5137 Napa Nr. Bentley Wharf 15 Comment
  UCD166662  Triglochin maritima Jake Ruygt 1988-3-18 2126 Napa Fagan's Marsh. 1 Comment
  UC1364377  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 573 Napa just s.w. Calistoga (0.6 mi. w. of CA Hwy. 29, near Diamond Mt. Creek below Diamond Mt. Rd.) 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
  CAS-BOT-BC133384  Trillium ovatum Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UCD81445  Triphysaria eriantha M. Wiesendanger 1927-5-4 673 Napa Near Monticello. Comment
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w Napa Comment
  SEINET5738473 Image available Triphysaria eriantha subsp. eriantha Stan Logan 1965-1 8 Napa Dollarhide Road, ca. 3 miles east of Pope Valley.; Pope Valley Comment
  UC194178  Triphysaria eriantha subsp. eriantha C. F. Sonne April 1896 Napa near Napa Junction; near Napa Junction Comment
  CDA10904  Triphysaria pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 11000 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS3983  Triphysaria pusilla W. L. Jepson 1910-3-28 4027 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga 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
  SJSU11599  Triphysaria versicolor subsp. faucibarbata E. C. Garbett 1961-4-15 288 Napa by rd between Vallejo & Brown Valley Rd Comment
  UC1220982  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1962-5-8 6413 Napa 2 mi n Calistoga (Myrtledale Hot Springs); Myrtledale Hot Springs Comment
  UCD123421  Triphysaria versicolor subsp. faucibarbata L. P. Thibault 1995-6-2 59 Napa West side of Lower Chiles Road. 0.25 miles northwest of Highway 128. 300 Comment
  HSC60268  Triphysaria versicolor subsp. faucibarbata R. W. Spjut 1979-4-8 5454 Napa Within Napa city limits just off Hwy. 121 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
  UC397022  Triteleia Dr. Goodspeed Jun 1929 Napa near Napa Comment
  UC3281  Triteleia hyacinthina Willis L. Jepson 1884-5-4 Napa Little Oak Comment
  UC657698  Triteleia hyacinthina M. Wiesendanger 1928-4-5 867 Napa Calistoga Comment
  SBBG886  Triteleia hyacinthina H. and M. Dearing 1939-5-2 3250 Napa near Napa Comment
  IRVC12857  Triteleia hyacinthina var. hyacinthina A. French 1967-5-14 34 Napa Highway 29; 3 mi. S of Streblow Drive Comment
  SEINET3889059  Triteleia laxa R. Blenkush, S. Hee; C. McWhorter; J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road.; 0 411 Comment
  UCD139382  Triteleia laxa L. P. Thibault 1995-6-2 56 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  UCD18074  Triteleia laxa Ellen Dean; with Plant Biology 102 class 2000-4-22 629 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
  UCD48790  Triteleia laxa K. Mogel; B. Pekin and M. Higley 2002-5-4 12 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca.750 ft. along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  UCD48794  Triteleia laxa E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., on a W-facing slope approximately 2400 ft. as the crow flies NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  CHSC108728  Triteleia peduncularis B. Castro; L. P. Janeway 2002-5-12 1357 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 505 Comment
  UCD139363  Triteleia peduncularis Beecher Crampton 1957-6-4 4104 Napa above Capell Creek, north end of Capell Valley. Comment
  UCR45968  Triteleia peduncularis L. F. LaPre 1985-6-8 s.n. Napa Inner N Coast Ranges, 'Rare Plant Canyon,' a tributary of Hunting Creek from the east, 2 mi SW of the site of Knoxville and just east of the Lake Co. line 366 Comment
  RSA187424  Umbellularia californica John H. Thomas 1966-3-22 11530 Napa R. L. Stevenson State Park on the eastern slopes of Mt. St. Helena along highway 29 between Middletown and Calistoga. 762 Comment
  RSA245297  Umbellularia californica J. P. Smith, J. O. Sawyer 1972-2-20 5069 Napa 128 just west of Lake Hennessey. Comment
  UCD38864  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 5 miles north Conn. Reservoir. (Lake Hennessey) Lower Chiles Valley Road. Comment
  UC36693  Uropappus lindleyi W. L. Jepson 1894-5-3 Napa St. Helena Napa River Basin; St. Helena, Napa River Basin Comment
  JEPS120409  Vaccinium ovatum Jake Ruygt 1986-5-10 1757 Napa Devil's Canyon. Comment
  JEPS110737  Verbena lasiostachys var. scabrida Jake Ruygt 1979-7-28 780 Napa 2 miles north of fire trail up Mt. St. Helena on HWY 29 487 Comment
  CHSC102288  Veronica anagallis-aquatica Lowell Ahart 2009-10-12 16453 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC1949226  Veronica catenata Barbara Ertter with Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128 Comment