Search Results — 2000 specimen records retrieved (1464 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
  UCD54553  Acacia baileyana Ellen Dean 2005-10-12 2741 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  POM118512  Acer macrophyllum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET3195253 Image available Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa Comment
  UC1543125  Acer macrophyllum Charlotte G. Nast 1936-3-27 49 Napa Putah Canyon Comment
  UCD117056  Acer macrophyllum Michael A. Vincent; Ethan H. Freid 1998-4-7 8167 Napa along Rt. 128 at road marker 24/80. Comment
  UCSB19170  Acer macrophyllum Rankine, Jane 1965-4-13 Napa 3 miles west of pope Valley on the road between rope Valley and Anqwin Comment
  UCD117127  Acer negundo Loren Ruport 1996-4-28 25 Napa city of Napa, near Napa College. South of Kaiser Road and West of Highway 129. 5 Comment
  UCD128294  Achillea millefolium Kamala Crompton 1996-5-12 14 Napa along road 128 about 5 miles west of Davis. 100 Comment
  UCD47869  Achillea millefolium S. E. Ratay; M. Disney, J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 27 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  CAS-BOT-BC29759  Achyrachaena mollis Peter H. Raven 1950-5-6 2021 Napa near Old Faithful Geyser, N of Calistoga 182 Comment
  JEPS36724  Achyrachaena mollis W. L. Jepson 1915-4-23 6245 Napa Conn Valley; Napa Range, Conn Valley Comment
  UCD18178  Achyrachaena mollis Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  CAS-BOT-BC29755  Achyrachaena mollis Ella D. Cantelow 1939-4-8 2496 Napa 4.5 miles SW of Pacific Union College, Howell Mt. Comment
  UCD170214  Acmispon brachycarpus Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 743 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 357 Comment
  UCD18058  Acmispon brachycarpus Ellen Dean; with Plant Biology 102 class 2000-4-22 613 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD47971  Acmispon brachycarpus A. Ryan; S. Burgess, A. Hufton, J. Pierner, B. Takahashi 2000-4-29 17 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  UCD73389  Acmispon brachycarpus 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
  UCD104111  Acmispon glaber Beecher Crampton 1959-5-26 5257 Napa Martley Canyon, Vaca Mountains. Along State Hwy. 128. Comment
  UCD75714  Acmispon grandiflorus var. grandiflorus Jake Ruygt 2005-6-1 4886 Napa Blue Ridge, about 1 mile north of Mays Flat. 716 Comment
  UCD117462  Acmispon parviflorus Roisin Murphy-Deak; 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
  UCD160344  Acmispon parviflorus Nellie Coffey 1931-2-1 s.n. Napa Chiles Valley. Comment
  UCD18629  Acmispon parviflorus Roman Gankin 1957-5-30 226 Napa 5.1 mi. west of Monticello Dam, just off of highway on top of hill. Comment
  JEPS104509  Adenocaulon bicolor Jake Ruygt 1979-6-1 641 Napa .7 miles west of HWY 29 on Diamond Mtn Road 146 Comment
  CAS-BOT-BC133133  Adenostoma fasciculatum H. E. McMinn 1925-1-23 1366 Napa Summit Wooden Valley Grade Comment
  HSC45350  Adenostoma fasciculatum R. York 1978-4-8 116 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  SEINET200082  Adenostoma fasciculatum Susan Wagener 1955-5-15 61 Napa At lookout point 1/2 mile southwest of Oakville on Triniti Road to Glen Ellen. Comment
  UCD49132  Adenostoma fasciculatum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd. Down a steep SW-facing slope, about 20 ft. below trail. 231 Comment
  RSA60355  Adenostoma fasciculatum var. fasciculatum G. R. Campbell 1948-6-18 658 Napa 10 miles south of Montecello Comment
  CDA11619  Adiantum aleuticum G. F. Hrusa, G. L. Stebbins 1994-3-11 11591 Napa North Coast Biodiversity Arena; Las Posadas State Forest, in upper canyon of Moore Creek. Comment
  UCD137059  Adiantum aleuticum G. F. Hrusa; G. L. Stebbins 1994-3-11 11591 Napa Las Posadas State Forest, Morre Creek. 400 Comment
  UCD137221  Adiantum jordanii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD160723  Adiantum jordanii Ellen Dean 2015-5-23 8775 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  UC917208  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa 12 mi w Winters; Putah Creek Canyon Comment
  UCD164733  Agastache urticifolia Jake Ruygt 2014-6-9 5992 Napa Livermore Ranch, Cub Valley. 657 Comment
  UCD148099  Agoseris grandiflora Jake Ruygt 2006-6-13 5056 Napa Northeast of Lake Berryessa. North of ridge on road between Harris and Green Canyon. 396 Comment
  RSA43330  Agoseris grandiflora Thomas H. Kearney 1948-5-22 s.n. Napa Roadside near Napa 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
  UCD121182  Agoseris heterophylla Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7360 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 405 Comment
  UCD128604  Agoseris heterophylla Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  JEPS18236  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa near the hot springs at the airport Calistoga 91 Comment
  JEPS23679  Agoseris heterophylla var. heterophylla Willis L. Jepson 1893-1 Napa Napa River Basin; Napa River Basin, Upper Napa Valley Comment
  JEPS45601  Agrimonia gryposepala Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  UC72587  Agrostemma githago Miss M. Alice King Napa St. Helena Comment
  SEINET3916090  Agrostis diegoensis Fred W. Hoffman 1944-7-7 1972 Napa Chaparral, east slope Trinity Road.; 0 Comment
  UCD51702  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa La Jota Plateau, on hills at head of Moore's Creek, 3-4 miles east of Angwin's, Howell Mountain. 518 Comment
  CAS-BOT-BC127140  Agrostis exarata Peter H. Raven 1952-5-31 4117 Napa 2.5 miles east of Yountville. 60 Comment
  UCD52404  Agrostis exarata B. Crampton 1954-6-25 2012 Napa 3 miles south of Calistoga. Comment
  UC187292  Agrostis hallii Joseph P. Tracy 1904-5-23 2093 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  UC1103385  Agrostis microphylla Joseph P. Tracy 1899-7-5 344 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., head Moore's Creek 365 Comment
  CAS-BOT-BC138820  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Meadow, Mrytledale Hot Springs, 2 miles north of Calistoga. Comment
  CAS-BOT-BC139014  Agrostis pallens Peter H. Raven 1950-6-20 2354 Napa In the Napa Range between Conn Valley and Howell Mountains. Comment
  CAS-BOT-BC139015  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  CAS-BOT-BC139016  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Northern Coast Ranges. Hills east of Calistoga. 243 Comment
  JEPS71140  Agrostis pallens W. L. Jepson 1936-7-3 17637 Napa Four Corners Napa Range, Howell Mt. Comment
  UC187293  Agrostis pallens Joseph P. Tracy 1905-7-5 2210 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD53629  Agrostis stolonifera Beecher Crampton 1953-7-14 1514 Napa N.N. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  JEPS123025  Aira caryophyllea Jake Ruygt 1983-4-26 1447 Napa Highway 12 at Sonoma Co. line. Quad: Sonoma. Comment
  UCD120873  Aira caryophyllea Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7337 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
  RSA335884  Allium amplectens D. W. McNeal 1977-5-18 2034 Napa 0.2 mile SE of the junction of Lower Chiles Valley Road. Comment
  RSA195336  Allium amplectens Gilbert Muth 1967-5-19 690 Napa Milliken Dam. 335 Comment
  POM182671  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE from the summit of Mt. St. Helena, northern Napa County. Comment
  HSC81861  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1980-5-3 5152 Napa W side of Butts Canyon Rd. at junction with private rd. 244 Comment
  UC1278731  Allium falcifolium G. L. Stebbins Jr. 1948-5-9 3936 Napa on road to Napa 8 mi s Monticello (w side of Steel Canyon); Steel Canyon Comment
  SEINET10532707  Allium falcifolium Morrison 1938-4-24 MORRISON 1355 Napa Abundant on serpentine outcrop with pinus sabiniana, quercus durata, ceanothus; .6 Miles w of knoxville on road from monticello to lower lake Comment
  SEINET5502060 Image available Allium falcifolium Sally Walker 1982-1 s.n. Napa 9.9 mi S. of Middletown Lake Co Comment
  SEINET8122132  Allium falcifolium M. J. Williams 1967-5-7 s.n. Napa Butts Canyon. 244 Comment
  CHSC83398  Allium fimbriatum var. fimbriatum L. P. Janeway; B. Castro 2002-5-12 7551 Napa Inner North Coast Ranges. Northeast-facing slope along Devil-head Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek. 488 Comment
  HSC43914  Allium fimbriatum var. fimbriatum Robert M. Specht 1977-5-14 886 Napa Near junction of Develhead Rd. and Morgan Valley Rd. 463 Comment
  CAS-BOT-BC472783  Allium neapolitanum Alice Ackley 1957-3-30 s.n. Napa 2 miles east of Napa Comment
  UCD148577  Allium serra Jake Ruygt 2005-5-9 4821 Napa Napa County; Knoxville Wildlife Area, west side of Berryessa Knoxville Rd. 420 Comment
  POM215781  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville. Comment
  JEPS84574  Allophyllum divaricatum John W. Willoughby 1977-4-27 2288 Napa 0.7 mi. s.w. Monticello Dam (s. of Hwy. 128) 195 Comment
  SEINET2444438  Allophyllum gilioides K. Walker 2006-5-13 3 Napa Quail Ridge Reserve, West Ashley Rd. 0.5 mi NW of Laurel Creek. 208 Comment
  JEPS129062  Allotropa virgata Jake Ruygt 1986-5-24 1793 Napa Livermore Road east of orchard. Detert Reservoir 7.5' Quad. Comment
  JEPS43478  Allotropa virgata Wayne Roderick 1966-5-13 Napa 2 mi up from highway from Calistoga to Geyserville (on the Ida Clayton Road); Ida Clayton Road 304 Comment
  POM262798  Allotropa virgata J. C. Roos 1939-5-7 298 Napa Ink Grade near Angwin, Napa Range. Comment
  RSA262367  Allotropa virgata Gilbert Muth 1971-5-20 1413 Napa 0.5 mile north on Ink Grade Road from Howell Mountain Road, Angwin. 518 Comment
  CAS-BOT-BC453437  Allotropa virgata Mrs. Merrel Ackley 1960-5-19 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC137956  Alopecurus saccatus Peter H. Raven 1950-5-6 2003 Napa Calistoga. Sulphur Flats near Geysers Hot Springs near Calistoga Airfield. 45 Comment
  CAS-BOT-BC137958  Alopecurus saccatus Peter H. Raven 1953-5-2 5365 Napa Valley floor east of Yountville. 76 Comment
  UCD148569  Amaranthus hybridus Jake Ruygt 2001-10-22 4349 Napa Napa County; Conn Creek at Silverado Trail. 54 Comment
  CHSC102520  Amaranthus retroflexus Lowell Ahart 2009-10-12 16471 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC45032  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near Slaughterhouse Point, Napa River 0 Comment
  JEPS104501  Ambrosia psilostachya Jake Ruygt 1978-9-27 422 Napa .15 mi. west of Buhmann Ave. on Henry Rd 48 Comment
  UC1127815  Amelanchier utahensis B. Schreiber 1936-3-5 2207 Napa 0.3 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
Read comments
Jun 12 2012
  JEPS120342  Ammannia robusta Jake Ruygt 2005-10-8 4947 Napa Ink Grade near Butts Canyon Road. Aetna Springs 7.5' Quad. Comment
  JEPS16025  Ammi majus W. L. Jepson 1917-8-16 7435 Napa Napa Valley, Union Station Comment
  UCD127163  Ammi majus R. Tofsrud; J. M. Tucker 1948-7-14 s.n. Napa Cox Ranch on Highway 29 between Napa and Yountville Comment
  CDA16003  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa North Coast Biodiversity Arena; Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. S of Hwy 29. Sheet 1 of 3. Comment
  UCD56008  Ampelodesmos mauritanicus R. Tofsrud 1941-5-1 s.n. Napa Mt. St. Helena. Comment
  UC1191080  Amsinckia eastwoodiae H. E. Parks April 1952 44 Napa near Calistoga (foot of Mount St. Helena); Mount St. Helena 152 Comment
  JEPS20859  Amsinckia intermedia W. L. Jepson 1893-4-26 21085 Napa Oakville Napa Valley; Napa River Basin Comment
  UCD48652  Amsinckia intermedia Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 1 Napa Quail Ridge Reserve, Decker Canyon, along S. Decker Canyon Rd., N of jct with Cut-Off Rd., S of jct with N. Decker Canyon Rd., approximately 5 m. W of screen shed and about 45 ft. from road. 152 Comment
  JEPS61162  Amsinckia intermedia Elsa Kraeger 1926-3-27 Napa roadside near Soscol Comment
  UC1094053  Amsinckia intermedia Francia Chisaki 1954-4-15 594 Napa 12.7 mi n of its cut-off from Highway #29 (on Silverado Trail); Silverado Trail Comment
  UC1111642  Amsinckia lunaris Francia Chisaki 1953-5-8 566 Napa 3.1 mi s of Napa-Lake County line (on Pope Valley Road) Comment
  UCD170350  Amsinckia lunaris Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 849 Napa Knoxville Wildlife Area, along Nevada Creek. 452 Comment
  UCD119718  Amsinckia lycopsoides H. Popenoe 1949-4-17 12 Napa Putah Canyon, 8 miles west of Winters. Comment
  JEPS61104  Amsinckia menziesii var. menziesii W. L. Jepson 1924-4-6 10322 Napa mouth of Conn Creek near St. Helena; Conn Creek 91 Comment
  JEPS112621  Anagallis arvensis Jake Ruygt 1976-5-31 107 Napa .3 mile east of Hillcrest Dr. on Westgate Drive 79 Comment
  JEPS112622  Anagallis arvensis Jake Ruygt 1992-5-6 2936 Napa west of Foster Rd., Napa (Raynes property) 73 Comment
  UCD117440  Anagallis arvensis Alan P. Godlewski 1974-5-3 16 Napa west of Lake Berryessa, 30 yards from Highway 128. Comment
  JEPS104502  Ancistrocarphus filagineus Jake Ruygt 1996-4-27 3629 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Comment
  SEINET2140851  Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  UC165851  Ancistrocarphus filagineus J. P. Tracy 1902-5-15 1457 Napa 3 to 4 mi e, (head of Moore's Creek) Angwin's; Howell Mt., Moore's Creek 457 Comment
  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
  UCD20919  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  UC648280  Angelica californica Alice Eastwood, John Thomas Howell 1939-6-11 7428 Napa w of Calistoga Comment
  UCD38975  Angelica californica Beecher Crampton 1961-6-12 5907 Napa 8 miles northeast Napa along State Hwy. 37, Howell Mountains. Comment
Read comments
Jun 12 2007
  JEPS14086  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  JEPS14088  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  HSC71987  Angelica tomentosa J. M. DiTomaso 1980-9-9 1980 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29, 10.6 mi N of Calistoga 610 Comment
  CAS-BOT-BC273160  Anisocarpus madioides Bruce G. Baldwin 1985-6-2 488 Napa 0.6 miles east of Napa/Sonoma Counties boundary along Oakville Grade Road Comment
  CAS-BOT-BC273164  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  CAS-BOT-BC273165  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  JEPS106552  Anisocarpus madioides Jake Ruygt 1976-5-14 73 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  JEPS83370  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 333 Napa 1.3 mi w Hwy. 29/128 in St. Helena (on Spring Street (not Spring Mt. Rd.), nw side of road at center of curve); St. Helena, Rutherford Quad. (7.5', 1951) 106 Comment
  SD120898  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-11 335 Napa banks along valley of Pope Creek at end of Barnett road 195 Comment
  UCD160733  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Ellen Dean 2015-5-23 8785 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
  UCD36935  Apiastrum angustifolium Beecher Crampton 1956-5-25 3451 Napa Vaca Mountains, Markley Canyon, along new road from Monticello Dam to Napa. Comment
  JEPS84629  Apiastrum angustifolium John W. Willoughby 1977-4-20 2173 Napa Vaca Mountains, w side of Blue Ridge, near latitude of Mount Vaca (just south) Blue Ridge; Vaca Mountains, Blue Ridge 731 Comment
  JEPS104560  Apocynum androsaemifolium Jake Ruygt 1992-5-7 2940 Napa south of Leoma Lakes, Wild Horse Valley 414 Comment
  UC1197615  Apocynum androsaemifolium Joseph P. Tracy 1899-7-3 435 Napa 3 - 4 mi. e. of Angwin's (on hills at head of Moore's Creek, Howell Mt.); North Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  UC1537514  Apocynum androsaemifolium Gordon H. True Jr. 1937-6-21 735 Napa near Lokoya Lodge Lokoya Lodge 365 Comment
  UCD164772  Apocynum androsaemifolium Jake Ruygt 2014-5-19 5946 Napa Sutro Ranch, Atlas Peak. 740 Comment
  POM161353  Apocynum androsaemifolium subsp. pumilum Rimo Bacigalupi 1928-6-20 s.n. Napa Napa County: Howell Mt, 10 miles W of St Helena Comment
  CAS-BOT-BC16718  Arabis modesta Donald V. Hemphill 1958-3-17 s.n. Napa About 100 feet above site of Monticello Dam, Napa-Yolo county line. Comment
  JEPS74731  Arabis oregana Stephen P. Rae and Roman Gankin 1975-4-26 Napa adjacent Cedar Creek (slopes above cut) 548 Comment
  LA41461  Arbutus menziesii J. A. Ewan; 1933-9-17 8003 Napa Mt. Saint Helena, near Stevenson monument Comment
  UCD34066  Arbutus menziesii Beecher Crampton 1975-11-18 9340 Napa South of Wooden Valley along Suisun Creek. Comment
  JEPS116549  Arctostaphylos canescens Jake Ruygt 2002-7-13 4442 Napa End of Redwood Road, Archer Taylor Preserve, Tin Cabin Trail. Sonoma 7.5' Quad. Comment
  JEPS38632  Arctostaphylos canescens Willis L. Jepson 1893-4-25 14698 Napa highest ridges near Caux's Knob; Napa River Basin Comment
  UCD148751  Arctostaphylos canescens Jake Ruygt 1999-4-18 4129 Napa Napa County; Mt. St. Helena fire road 853 Comment
  CAS-BOT-BC23989  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena Trail Comment
  CAS-BOT-BC23992  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1949-4-30 12082 Napa On saddle about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  CAS-BOT-BC24014  Arctostaphylos canescens subsp. canescens C. Hart Merriam; Vernon O. Bailey 1907-10-15 s.n. Napa Cuyamaca Mt. 1219 Comment
  CAS-BOT-BC24020  Arctostaphylos canescens subsp. canescens Peter H. Raven 1953-2-21 5191 Napa Wooden Valley Grade 274 Comment
  CAS-BOT-BC24021  Arctostaphylos canescens subsp. canescens T. Kearney 1946-3-1 s.n. Napa along the Monticello Winters road. Comment
  CAS-BOT-BC24024  Arctostaphylos canescens subsp. canescens Lester Rowntree 1931-2-1 s.n. Napa Monticello Road 7 miles east of Napa Comment
  POM125416  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11763 Napa Mount St. Helena Comment
  POM367244  Arctostaphylos canescens subsp. canescens H. de Forest 1930-3-23 14616 Napa Mt. St. Helena. 701 Comment
  RSA301585  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena. 1067 Comment
  UC571090  Arctostaphylos canescens subsp. canescens H. L. Mason 1926-1-2 2612 Napa Toll House Canyon Mount St. Helena (near summit of mt.) Comment
  UC674755  Arctostaphylos canescens subsp. canescens E. A. Goldman 1907-12-29 69 Napa Mt. St. Helena Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena Comment
  JEPS120407  Arctostaphylos canescens subsp. sonomensis Jake Ruygt 2010-4-7 5498 Napa Archer Taylor Preserve, east slope of Bismark Knob above Devil's Well. Comment
  UCD51496  Arctostaphylos glandulosa Collector unknown Date Unknown Napa Comment
  UCD73454  Arctostaphylos glandulosa Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCR23644  Arctostaphylos glandulosa John C. Roos 1939-4-16 276 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  UC1120193  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1936-9-20 710 Napa Mt. St. Helena Calistoga Quadrangle Comment
  UCR228649  Arctostaphylos glandulosa var. cushingiana Ellen Dean, Stephen Rae 2008-5-21 4981 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 268 Comment
  POM367347  Arctostaphylos manzanita H. de Forest 1930-3-23 14613 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA523189  Arctostaphylos manzanita Richard Halse 1987-2-22 3377 Napa Along State Hwy. 29 about one third mile north of its junction with Tubbs Lane, just north of Calistoga. 168 Comment
  UC549544  Arctostaphylos manzanita J. E. Adams 1934-4-10 647 Napa Mt. St. Helena Comment
  UCD18002  Arctostaphylos manzanita Ellen Dean; with Plant Biology 102 class 2001-4-28 733 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  UCD48882  Arctostaphylos manzanita E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd. on the top of a W-facing slope. 233 Comment
  UCR26060  Arctostaphylos manzanita Michael J. Kelly 1975-3-24 33 Napa Right side of the road 10 mi east of the intersection of Hwys 128 and 29 across from Lake Berryessa 610 Comment
Read comments
Feb 9 2014
  CAS-BOT-BC38914  Arctostaphylos manzanita subsp. elegans J. W. Stacey 1922-3-1 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC38917  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1926-10-3 2198 Napa Summit of Mt. St. Helena Comment
  CAS-BOT-BC24282  Arctostaphylos manzanita subsp. manzanita Willis Linn Jepson 1896-2-23 s.n. Napa Howell Mt. Napa River Basin. Comment
  CAS-BOT-BC38728  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5357 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38736  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1922-3-26 11114 Napa Mt. St. Helena Comment
  CAS-BOT-BC38769  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC38773  Arctostaphylos manzanita subsp. manzanita J. W. Stacey 1922-11-30 s.n. Napa Near Calistoga Comment
  JEPS122808  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5115 Napa Top of Oakville Grade. QUAD: Rutherford. Comment
  POM180789  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-7-13 5357 Napa On the edge of the Crater Country' 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
  CAS-BOT-BC43830  Arctostaphylos stanfordiana C. Hart Merriam 1898-10-22 s.n. Napa West of Calistoga Comment
  CAS-BOT-BC43837  Arctostaphylos stanfordiana C. C. Parry 1887-3-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC43858  Arctostaphylos stanfordiana Alice Eastwood 1918-5-1 6861 Napa Mt. St. Helena Comment
  CAS-BOT-BC43872  Arctostaphylos stanfordiana John Thomas Howell 1930-7-13 5356 Napa edge of the Crater Country Comment
  SDSU2839  Arctostaphylos stanfordiana D. F. Howe 1966-6-3 4264 Napa 3 miles south of Angwin. 305 Comment
  SJSU5727  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UC1198657  Arctostaphylos stanfordiana Joseph P. Tracy 1942-2-23 17057 Napa Wooden Valley Rd 4 mi ne Napa City (along creek); Sarco Creek 91 Comment
  UC127170  Arctostaphylos stanfordiana Harley P. Chandler Sep 7 1906-Sep 14 1906 7118 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCSB25234  Arctostaphylos stanfordiana McMinn, Howard 1936-4-4 Napa Game Refuge, Howell Mountain Comment
  RSA92780  Arctostaphylos stanfordiana P. H. Raven 1953-2-21 5190 Napa Wooden Valley Grade. 274 Comment
  SEINET12524559 Image available Arctostaphylos stanfordiana L. S. Rose 1935-1 35013 Napa Wooden valley grade 5 mi NE. of Napa. Comment
  POM301551  Arctostaphylos stanfordiana subsp. stanfordiana N. Hollister 1909-07 13 Napa Mt. George Comment
  POM367455  Arctostaphylos stanfordiana subsp. stanfordiana H. de Forest 1930-3-23 14618 Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  RSA293482  Arctostaphylos stanfordiana subsp. stanfordiana C. W. Tilforth 1979-7-22 1854 Napa Along Wooden Valley Rd., north-east of Napa. Comment
  UC876395  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1937-4-4 37017 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  CDA11905  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins 1994-4-8 11716 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  UCD52448  Arctostaphylos viscida Bill Wengeler 1995-4-16 s.n. Napa Approx. 4 mi. W. of junction with Hwy. 121 along Hwy. 128. 201 Comment
  UC763150  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1940-8-25 4545 Napa e side Mt. St. Helena Comment
  UCD170832  Arctostaphylos viscida subsp. pulchella 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. 156 Comment
  JEPS38759  Arctostaphylos viscida subsp. viscida W. L. Jepson 1920-7-12 9067 Napa near old Chiles Mill; Chiles Creek Comment
  UC1388341  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-3-19 925 Napa 1 mi nw Knoxville (Lake-Napa Co. line); North Coast Ranges Comment
  SFV957  Aristolochia californica H. Dearing, M. Dearing 1940-3-20 4147 Napa Near Napa. Comment
  UC185097  Aristolochia californica H. P. Chandler 1907-5-30 7599 Napa St. Helena, White Sulphur Spring Comment
  UC6152  Aristolochia californica Mrs. D. O. Hunt 1899-2-27 Napa roadside near Lyman's Meadow, St. Helena St. Helena, Lyman's Meadow Comment
  JEPS104524  Artemisia californica Jake Ruygt 1979-11-24 798 Napa 2.3 miles north of Monticello Rd. on Atlas Peak Rd. 79 Comment
  CHSC102303  Artemisia douglasiana Lowell Ahart 2009-10-12 16416 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  JEPS104540  Artemisia douglasiana Jake Ruygt 1987-7-29 2090 Napa Napa River 50 yds. south of Third St.; east bank 2 Comment
  UCD121260  Asclepias cordifolia Dan Kurtak 1969-5-3 50 Napa Near Chiles Creek on Pope Valley Road 2 miles south of junction with Lower Chiles Valley Road. Comment
  UCD18116  Asclepias fascicularis K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 53 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
  UCD20731  Asclepias fascicularis Ellen Dean; w/ Mark Bibbo 2002-6-17 1095 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 198 Comment
  JEPS60029  Aspidotis densa W. L. Jepson 1924-4-27 10382 Napa Mt. St. Helena Comment
  UCD163270  Aspidotis densa D. Slakey; CNPS Volunteers 2015-4-25 115 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  JEPS107259  Astragalus claranus Jake Ruygt 1998-4-14 3906 Napa East end of Taplin Road 106 Comment
  JEPS54567  Astragalus clevelandii W. L. Jepson 1897-7-13 13743 Napa Butt's Canyon Comment
  CAS-BOT-BC178291  Astragalus gambelianus John Thomas Howell 1933-5-21 11310 Napa Hills east of Napa. Comment
  JEPS107252  Astragalus gambelianus Jake Ruygt 1989-4-22 2284 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 304 Comment
  CAS-BOT-BC178293  Astragalus gambelianus H. D. Ripley; R. C. Barneby 1954-4-30 11230 Napa Conn Valley near the slip way. 91 Comment
  JEPS100901  Astragalus rattanii var. jepsonianus Dean W. Taylor 1998-5-14 16434 Napa Pope Canyon, along Pope Canyon Road at crossing of Pope Creek, northerly facing roadbank 100 meters west of the bridge 198 Comment
  UC862608  Astragalus rattanii var. jepsonianus John Thomas Howell 1939-4-30 14625 Napa Walter Springs; ; Walter Springs, Napa Co. Comment
  UCD170670  Athysanus pusillus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Off Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 167 Comment
  CAS-BOT-BC17536  Athysanus pusillus Peter H. Raven 1953-4-2 5273 Napa Hill west of Tulucay Creek. 243 Comment
  CAS-BOT-BC65367  Athysanus pusillus R. C. Wenk; E. S. Wenk 2006-4-30 440 Napa Robert Louis Stevenson State Park. On left side of trail, 1/2 mi E of parking lot on Hwy129 for trail to Mt. St. Helena. Comment
  SACT000360  Avena barbata John Willoughby 1977-4-20 Napa near latitude of Mount Vaca, along road leading to property of M Toponce. 609.6 Comment
  JEPS104527  Balsamorhiza macrolepis Jake Ruygt 1981-4-20 988 Napa American Canyon east of Flosden Rd. 152 Comment
  CAS-BOT-BC16526  Barbarea orthoceras Paul F. Covel 1940-4-30 1710 Napa CCC - Las Posadas Camp - near Pacific Union College. Comment
  OBI15181  Barbarea orthoceras R. L. Hoover 1968-4-20 57 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn rds Comment
  UCD48671  Barbarea orthoceras Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 12 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd, N of its jct with S. Decker Canyon Rd. at the end of EW bend. 188 Comment
  UCD35478  Barbarea vulgaris Beecher Crampton 1957-4-15 3932 Napa Napa County; Vaca Mtns., east slope of Wragg Canyon, Hwy. 128. Comment
  UCD56790  Beckmannia syzigachne A. A. Beetle 1946-7-13 4694 Napa SE 1 mi. from Calistoga. Comment
  UCD56807  Beckmannia syzigachne B. Crampton 1954-6-25 2011 Napa 3 miles south of Calistoga. Comment
  JEPS14992  Bellardia trixago B. Schreiber 1936-3-5 2213 Napa 1 mi sw Napa; Napa Quad. Comment
  JEPS106877  Berberis aquifolium var. dictyota Jake Ruygt 1981-7-23 1081 Napa north of Berryessa Peak, Blue Ridge 731 Comment
  UCD95912  Berberis aquifolium var. repens Ellen Dean; with Clare Loughran 2011-5-20 7051 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  CAS-BOT-BC75846  Berberis pinnata L. R. Abrams 1928-5-3 12255 Napa Summit Saint Helena Grade. Comment
  JEPS122698  Berula erecta Jake Ruygt 1979-7-24 771 Napa 0.5 miles east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  CAS-BOT-BC15945  Boechera breweri subsp. breweri David D. Keck 1933-5-29 2360 Napa Pope Creek Bridge south of Walters Springs. Comment
  UCD167619  Boechera breweri subsp. breweri Hyosig Won 2016-4-12 13952 Napa McLaughlin UC Reserve. Near old town of Knoxville. 445 Comment
  JEPS110705  Boisduvalia densiflora Jake Ruygt 1982-6-29 1348 Napa .3 miles south of Old Bale Mill on HWY 29 85 Comment
  RSA182010  Boisduvalia densiflora var. densiflora W. L. Jepson 1944-7-30 27545 Napa 3 miles SE of Yountville, Napa Valley. Comment
  RSA80689  Boisduvalia densiflora var. densiflora F. W. Peirson 1928-7-4 7952 Napa Summit of Mt. Helena Grade Comment
  JEPS121374  Bolboschoenus maritimus subsp. paludosus Jake Ruygt 1982-5-13 1247 Napa .5 miles south of Imola Ave.; south end of Jefferson St,, Napa Comment
  JEPS13536  Boschniakia strobilacea W. L. Jepson 1924-4-27 10387 Napa Mt. St. Helena perhaps near Toll House. 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
  CAS-BOT-BC106270  Brickellia californica Peter H. Raven 1952-8-28 5160 Napa Road below Napa Soda Springs 213 Comment
  HSC9100  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UC1158114  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jota Plateau Northern Coast Ranges, Howeel Mountain (3-4 mi e of Angwin's, on hills at head of Moore's Creek) 518 Comment
  UCD118547  Briza minor Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat. 387 Comment
  UCD18003  Briza minor Ellen Dean; with Plant Biology 102 class 2001-4-28 734 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
  UC1442869  Brodiaea californica var. leptandra Theodore F. Niehaus 1966-5-24 680 Napa 3.9 mi w Pope Valley (on Ink Grade Rd) Comment
  JEPS7654  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-24 7665 Napa near Toll House; Mount Saint Helena Comment
  UC1300928  Brodiaea elegans subsp. elegans Helen K. Sharsmith 1962-6-3 5110 Napa Napa-Soda Springs road 152 Comment
  UCD77197  Brodiaea leptandra Robert E. Preston 2004-6-26 2265 Napa Angwin, along Las Posadas Rd, ca. 1.1 mi from Howell Mountain Rd 512 Comment
  CAS-BOT-BC486434  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1938-5-15 5517 Napa Myrtledale Hot Springs Comment
  CAS-BOT-BC486435  Brodiaea terrestris subsp. terrestris Peter H. Raven 1950-5-6 2023 Napa Sulpher flats and hot springs near Old Faithful Geyser midway between Rt. 28 and Rt. 29 about 2 miles N. of Calistoga. 182 Comment
  UC187021  Brodiaea terrestris subsp. terrestris C. F. Sonne 1888-4-25 Napa field near Napa Junction Comment
  SEINET10839784  Bromus arvensis Ana Maria Planchuelo 1980-1 Planchuelo 508 Napa Route 128 between winters and rutherford. Comment
  UCD36943  Bromus carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  SEINET238874 Image available Bromus carinatus var. carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD18080  Bromus carinatus var. carinatus Ellen Dean; with PLB 102 class 2000-4-22 638 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCR152263  Bromus catharticus Beecher Crampton 1961-6-12 5902 Napa Inner North Coast Ranges, 7 miles northeast of city of Napa, summit along State Highway 37 396 Comment
  UCD58595  Bromus diandrus Beecher Crampton 1962-5-16 6421 Napa 3.5 miles north of Conn Reservoir. Along Pope Valley Road. Comment
  UCD120791  Bromus hordeaceus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7331 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CAS-BOT-BC155329  Bromus laevipes Peter H. Raven 1951-6-26 3082 Napa Cappell Valley. 365 Comment
  JEPS75634  Bromus laevipes W. L. Jepson 1936-5-28 17541 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  JEPS75638  Bromus laevipes W. L. Jepson 1936-5-28 17545 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  SBBG20183  Bromus laevipes M. S. Walters 1960-6-18 Napa St Hwy 128 ca. 1 mi W of Conn Lake picnic grounds (ca. 4 mi E of Rutherford) Comment
  UCD58901  Bromus laevipes Beecher Crampton 1957-6-4 4107 Napa Above Capell Creek. North end of Capell Valley. Comment
  JEPS123003  Bromus madritensis subsp. rubens Jake Ruygt 1977-4-9 182 Napa Mount George. Quad: Mount George. Comment
  UCD159919  Bromus rubens Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.West section. 243 Comment
  UCD81810  Bromus sterilis Ellen Dean; Stephen Rae 2009-4-21 5437 Napa Along Friesen Lakes Road, NW of Anguin. 563 Comment
  JEPS123000  Bromus tectorum Jake Ruygt 1992-4-2 2875 Napa Jonson's Meadow, Wild Horse Valley Ranch. Quad: Mount George. Comment
  CAS-BOT-BC185228  Calamagrostis koelerioides Beecher Crampton 1957-5-16 4045 Napa Above Capell Creek, north end of Capell Valley. Comment
  JEPS100895  Calamagrostis ophitidis Dean W. Taylor 1998-5-14 16440 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UCD37118  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4045 Napa Napa County, north end of Capell Valley, along Highway 128, above Capell Creek. Comment
  UCD57739  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Summit State Hwy. 37, Howell Mountains, 7 miles northeast of Napa. Comment
  JEPS112604  Calandrinia breweri Jake Ruygt 1982-4-4 1167 Napa 3.2 miles north of Loma Vista Dr. on Soda Canyon Rd. 335 Comment
  UCD148839  Calandrinia ciliata Ellen Dean; Diana Hickson 2014-4-29 8143 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  CAS-BOT-BC438471  Calandrinia ciliata Elsa G. Ruckert 1960-3-13 26 Napa 6495 Dry Creek Road, on private road east of house 200 yards. 365 Comment
  CAS-BOT-BC438473  Calandrinia ciliata Peter H. Raven 1954-2-22 6408 Napa Orchard at west end of Saint Helena 60 Comment
  JEPS120389  Callitriche heterophylla var. bolanderi Jake Ruygt 1983-4-7 1177 Napa east of Rocktram, west of Hwy 221, Suscol Plain Comment
  JEPS42825  Callitriche longipedunculata Willis L. Jepson 1893-4-30 13819 Napa Calistoga; Napa River Basin, Napa Valley Comment
  JEPS42831  Callitriche longipedunculata Willis L. Jepson 1893-4-26 13820 Napa Near Yountville; Napa River Basin Comment
  UC146147  Callitriche verna Joseph P. Tracy May 15 1903-May 18 1903 1849 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC488486  Calochortus amabilis John H. Thomas 1955-5-21 5119 Napa Sarco Creek drainage, near State Highway no. 37, about 6 miles from Napa 274 Comment
  POM222010  Calochortus amabilis W. C. Merrill 1895-06 SN Napa Calistoga Comment
  UCD139482  Calochortus amabilis L. P. Thibault 1995-5-19 40 Napa along Highway 128, ca. 0.5 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  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
  CAS-BOT-BC488488  Calochortus amabilis Carl B. Wolf 1928-5-3 1787 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  RSA247334  Calochortus amabilis Gary D. Wallace 1967-5-27 769 Napa W of Union Pacific College, 2 mi. On Howell Mtn. Rd. NE of St. Helena. Comment
Read comments
Mar 14 2013
  RSA41934  Calochortus amabilis Ella Dales Cantelow 1939-4-8 3961 Napa Lower Lake Road 10 3/10 mi W of jct Pope Creek Rd. Comment
  SEINET5725020 Image available Calochortus amabilis Richard Beaver 1965-1 151 Napa on a slope with various shrubs, sandy clay soil; 10 miles north of the junction of Highway 128 with Highway 121. Comment
  UC796458  Calochortus amabilis Ira L. Wiggins 1949-4-30 12073 Napa about 1.5 mi ne Calistoga (along old toll road between Calistoga and Middletown) Comment
  UCD14304  Calochortus amabilis Todd Jones 1983-5-1 14 Napa Highway 128, ca. 1.9 miles north of Moscowite Corners, 15.6 miles beyond Monticello Dam. Comment
  UC1537213  Calochortus luteus Gordon H. True Jr. 1938-6-21 739 Napa near Lokoya 365 Comment
  UCD161497  Calochortus luteus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8654 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
  IRVC19763  Calochortus luteus Anne E. Justice 1981-4-27 s.n. Napa 8.5 miles from Winters on Hwy 128, 1.5 mi before Monticello Dam. Comment
  UCD14308  Calochortus luteus L. Coats 1983-5-29 50 Napa J and M Ranch; end of Green Valley Road, 1 mile from Coombsville Road and apporximately 100 yards inside of gate, next to road. Comment
  UCD166650  Calochortus splendens Jake Ruygt 1989-5-20 2333 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 441 Comment
  UCD164687  Calochortus superbus L. P. Thibault 1995-6-2 64 Napa East side of lower Chiles Valley Road, 0.5 miles northwest of Highway 128. 300 Comment
  UC768703  Calochortus tolmiei R. F. Hoover 1941-4-27 4951 Napa e side Mt. St. Helena Comment
  CAS-BOT-BC483609  Calochortus tolmiei Betty H. Johnson 1958-6-8 596 Napa Near St. Helena River, 6.4 SW of Middletown Comment
  CAS-BOT-BC132619  Calochortus uniflorus Alice Eastwood 1915-6-5 4632 Napa Calistoga Comment
  JEPS61742  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley Napa Range 914 Comment
  POM182666  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UC625514  Calochortus uniflorus Frank W. Gould 1938-4-3 110 Napa 1.5 mi nw St. Helena 91 Comment
  UCD169871  Calochortus vestae Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 806 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  UCD129718  Calycadenia multiglandulosa Gerald D. Carr 1971-6-17 566 Napa junction of Howell Mt., Deer Park, and White Cottage Roads, southwest facing. Comment
  RSA595750  Calycadenia multiglandulosa L. C. Wheeler 1958-8-26 7445 Napa Near Moore Creek mine prospect. Comment
  CAS-BOT-BC270839  Calycadenia pauciflora David D. Keck 1933-7-1 2466 Napa Butts Creek Canyon, ca. 5 miles NE of Aetna Springs Comment
  JEPS129108  Calycadenia pauciflora Jake Ruygt 2015-6-15 6136 Napa Southwest of Buck Mountain. Knoxville 7.5' Quad. Comment
  RSA255531  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles north of Spanish Flat on Knoxville-Berryessa Road 152 Comment
  RSA255521  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles east of Butts Canyon Road on Snell Valley Road 183 Comment
  UC1876241  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 mi S of Berryessa-Knoxville Rd. on Devilhead Rd., Cedar Valley. Comment
  UC1876641  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mi NW of Knoxville on Morgan Valley Rd. 457 Comment
  UCD129809  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road. Comment
  UCD129902  Calycadenia pauciflora Gerald D. Carr 1971-9-20 665 Napa 0.8 mile southeast of Berryessa-Knoxville Road on Hwy 128. 213 Comment
  UCD129909  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 Napa 0.8 mile northwest of Knoxville on Morgan Valley Road. 457 Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  JEPS120378  Calycadenia truncata Jake Ruygt 2004-7-31 4634 Napa Buzzards Roost, east of Stags Leap Comment
  CAS-BOT-BC271569  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa St. Helena, base of hills east of town Comment
  CAS-BOT-BC90957  Calycanthus occidentalis James L. Reveal 1987-6-7 6395 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road. About 6.5 miles northwest of Vacaville. 609 Comment
  JEPS20255  Calycanthus occidentalis W. L. Jepson 1942-11-1 20747 Napa Yankee Creek Comment
  JEPS40312  Calycanthus occidentalis Willis L. Jepson 1901-8-6 1725 Napa Howell Mt. grade; Napa River Basin Comment
  JEPS40319  Calycanthus occidentalis W. L. Jepson 1934-10-16 16896 Napa Adam and Eve Ridge Howell Mt. (by the cave, Howell Mt.) Comment
  POM210622  Calycanthus occidentalis Joseph A. Ewan 1933-9-17 8010 Napa Mt. St. Helena summit road 2.5 miles out of Calistoga. Comment
  POM340802  Calycanthus occidentalis F. R. Fosberg 1967-9-10 48645 Napa Near Haven Place above St. Helena, Napa Valley. Comment
  RSA23335  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  RSA602914  Calycanthus occidentalis Joseph A. Ewan 1934-4-30 8850 Napa Near White Cottages below Pope Valley. Comment
  SD147998  Calycanthus occidentalis C. Osuga 1992-5-29 21 Napa Highway 121, Wooden Valley Road junction. 305 Comment
  SEINET3153864  Calycanthus occidentalis H. P. Chandler 1906-9-7 713 Napa Alta Loma ranch 549 Comment
  SFV5086  Calycanthus occidentalis B. C. Templeton 1957-6-26 s. n. Napa About 1.1 miles east of Calistoga. Comment
  UC1126250  Calycanthus occidentalis A. Lewis 1932-5-24 108 Napa Wooden Valley; Napa Quad. 243 Comment
  UCD137917  Calycanthus occidentalis J. P. Smith; J. O. Sawyer 1970-5-17 3771 Napa 3 miles south of Pope Valley. Comment
  UCD170556  Calycanthus occidentalis D. O. Burge 2017-8-19 2284 Napa Lake Hennessey area, roadside on California State Route 128. 67 Comment
  UCR198051  Calycanthus occidentalis Lisa Montany 1985-6-1 33 Napa Hwy 128, 0.5 mi west of Conn Dam, north of road in clearing near creek 76 Comment
  UCR74386  Calycanthus occidentalis G. Fred Hrusa 1988-5-12 5601 Napa North Coast Range, Pope Creek, c. 2 mi east of jct of Pope Valley Rd. and Chiles Valley Rd. 244 Comment
  HSC81855  Calystegia collina subsp. collina Thomas W. Nelson, Jane Nelson 1980-5-3 5136 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  CAS-BOT-BC516194  Calystegia collina subsp. oxyphylla Lewis S. Rose 1934-5-23 34274 Napa N. slope of Mt. St. Helena Comment
  SD225762  Calystegia occidentalis subsp. occidentalis R. K. Brummitt 1997-6-2 19625 Napa NE of Lucerne, 15 km along Bartlett Springs Road from Clear Lake 1000 Comment
  CAS-BOT-BC224630  Calystegia purpurata subsp. purpurata John Thomas Howell 1931-4-3 6119 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  OBI15298  Calystegia purpurata subsp. purpurata R. L. Hoover 1968-4-20 56 Napa NE of jctn of Aetna Springs, Pope Valley, and Butts Cayn roads Comment
  UCD159937  Calystegia purpurata subsp. purpurata Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS31722  Camissonia contorta Willis L. Jepson 1893-6-26 14478 Napa Howell Mt. Napa River Basin Comment
  UCD32903  Camissoniopsis hirtella Beecher Crampton 1965-6-30 7395 Napa Solano-Napa Counties: Vaca mountains, summit of Mt. Vaca. 859 Comment
  JEPS106559  Campanula griffinii Jake Ruygt 1996-4-27 3632 Napa Chiles Valley Road about 1/4 mile north Turtle Rock. 384 Comment
  UC169030  Campanula griffinii Joseph P. Tracy 1902-5-21 1576 1/2 Napa on hills at head of Moore's Creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain 457 Comment
  UCD167163  Campanula griffinii Jake Ruygt 2015-4-13 6066 Napa Butts Canyon Road about 0.4 mile south of Snell Valley road. 246 Comment
  CAS-BOT-BC37586  Cardamine californica John Thomas Howell 1931-4-4 6162 Napa Near Toll House, Mount St. Helena Region. Comment
  JEPS106835  Cardamine californica var. integrifolia Jake Ruygt 1981-3-23 954 Napa across HWY 29 (221) from Kaiser Rd. 10 Comment
  RSA156058  Carduus pycnocephalus Peter H. Raven 1962-5-31 17922 Napa 3.8 miles north of junction of State Hwy. 37 with road to Fairfield Comment
  RSA195342  Carduus pycnocephalus Gilbert Muth 1967-5-19 699 Napa Milliken Dam. 335 Comment
  UCD85855  Carduus pycnocephalus Peter H. Raven 1950-5-6 2007 Napa West branch of the Napa River where it meets Rt. 29 approximately 1 mile north of Calistoga. 91 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
  CDA11435  Carex amplifolia G. F. Hrusa, M. Tu 1995-5-6 12158 Napa North Coast Biodiversity Arena; In wet creek bed under shade of redwoods along Moores Creek in Las Posadas State Forest. Dense rhizomatous colony. Comment
  JEPS121335  Carex amplifolia Jake Ruygt 1992-5-2 2920 Napa Scott's Flat, Aetna Springs Rd. Comment
  SEINET7551520 Image available Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa Northwest Napa. Comment
  UCD140158  Carex bolanderi G. F. Hrusa; M. Tu 1995-5-6 12160 Napa Moores Creek in Las Posadas State Forest. 500 Comment
  CAS-BOT-BC18903  Carex densa J. W. Stacey 1933-5-15 s.n. Napa Howell Mountain. Comment
  CAS-BOT-BC35066  Carex densa Alice Eastwood; John Thomas Howell 1938-5-15 5522 Napa Myrtledale Hot Springs. Comment
  JEPS75642  Carex densa W. L. Jepson 1936-5-30 17564 Napa Rutherford Napa Valley Comment
  UC1115810  Carex densa Joseph P. Tracy 1938-6-5 15836 Napa 5 mi E of Angwins (Howell Mountain, hills at head of Moores Creek) 457 Comment
  UCD148832  Carex densa Ellen Dean; Diana Hickson 2014-4-29 8137 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD161704  Carex densa Jake Ruygt 2010-6-5 5596 Napa Moskowite Corner, Highway 128 and 121. 252 Comment
  JEPS121350  Carex dudleyi Jake Ruygt 2006-4-15 4980 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  UCD161708  Carex feta Jake Ruygt 2010-6-26 5658 -b Napa Las Posadas State Forest, near public road. 518 Comment
  UCD161706  Carex globosa Jake Ruygt 2010-6-21 5627 Napa Van Ness Canyon about 1/3 mile south of Wildwood house. (Coordinates converted from UTM data by label maker.) 609 Comment
  UC1023488  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa e Napa; Sarco Creek 60 Comment
  CAS-BOT-BC28414  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa Saro Creek E of Napa. 60 Comment
  CAS-BOT-BC32125  Carex multicaulis Peter H. Raven 1950-6-20 2377 Napa Howell Mtn on NNE side Road to Pope Valley. Comment
  JEPS121346  Carex multicaulis Jake Ruygt 1997-4-4 3821 Napa Mt Veeder, south of Lokoya Roads. Comment
  SEINET10711635  Carex nudata Wilhelm N. Suksdorf 1913-7-28 Suksdorf 713 Napa In shade near the water of the Napa River. Comment
  CDA13137  Carex serratodens G. F. Hrusa 1996-6-3 13072 Napa North Coast Biodiversity Arena; W side of Lake Hennessey approximately 1 mile E of Conn Dam. Comment
  UCD140843  Carex serratodens G. F. Hrusa 1996-6-30 13072 Napa at Lake Hennessey approximately 1 mile east of Conn Dam. 175 Comment
  UCD170187  Carex serratodens Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 770 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 402 Comment
  UCD41411  Carex serratodens Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 125 Napa Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, near the next stream-crossing W of the confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  UCD161615  Carex subbracteata Jake Ruygt 2002-4-15 4391 Napa north of Foss Valley, Atlas Peak Vineyards (Antinori). 448 Comment
  UCD95689  Carex subfusca Ellen Dean; with Clare Loughran 2011-5-20 7035 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  CAS-BOT-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
  UCD141172  Carex subfusca L. S. Rose 1935-6-4 s.n. Napa Mt. Helena. Comment
  UCD161634  Carex tumulicola Jake Ruygt 2005-3-20 4707 Napa Alston Park, Dry Creek Road, Napa. 45 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
  JEPS110631  Castilleja ambigua subsp. ambigua Jake Ruygt 1985-5-18 1598 Napa Foss Valley 435 Comment
  JEPS110632  Castilleja ambigua subsp. ambigua Jake Ruygt 1994-4-29 3362 Napa Fagan Slough 1 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
  CDA10882  Castilleja attenuata G. F. Hrusa, M. Rejmanek 1993-5-15 10977 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS74864  Castilleja attenuata T. I. and F. M. Chuang 1975-5-4 7505 Napa 5.7 mi e Pope Valley Comment
  UCD17965  Castilleja attenuata Ellen Dean; Kate Mawdsley 2001-4-9 684 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD122315  Castilleja attenuata K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  JEPS10088  Castilleja densiflora subsp. densiflora Rachael Wilson 1944-5-9 Napa Conn Valley Comment
  JEPS110626  Castilleja densiflora subsp. densiflora Jake Ruygt 1992-4-29 2916 Napa Johnson's Meadow, Wild Horse Valley Ranch 420 Comment
  UCD19866  Castilleja exserta C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1199 Napa Lower slopes of Mount St. Helena, view spot north of Calistoga, along Hwy 29. Comment
  JEPS110639  Castilleja exserta subsp. exserta Jake Ruygt 1981-4-1 962 Napa Chimney Rock 152 Comment
  JEPS110654  Castilleja foliolosa Jake Ruygt 1977-5-3 213 Napa 3.5 miles north of Monticello Rd. on Atlas Peak Rd 219 Comment
  UC1217067  Castilleja foliolosa Paul C. Hutchison 1963-3-3 2675 Napa 2 mi above St. Helena Sanitarium (along the road to Pope Valley) Comment
  UCD48219  Castilleja foliolosa D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 10 Napa Napa County, McLaughlin Reserve, first ridgesouth of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill ca. 20 ft. from lookout tower. 548 Comment
  UCD48220  Castilleja foliolosa S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 28 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 487 Comment
  UCD48225  Castilleja foliolosa E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 1 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  SEINET12329994  Castilleja foliolosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -306 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  UCD122498  Castilleja foliolosa D. H. Hartmann 1942-3-6 s.n. Napa Green Valley. Comment
  UCR179385  Castilleja lacera Katherine Esau 1932-5-3 s.n. Napa Napa Comment
  CAS-BOT-BC241283  Castilleja latifolia Peter H. Raven 1952-5-31 4155 Napa Rector Dam 152 Comment
  UC190969  Castilleja minor subsp. spiralis Katharine Brandegee 1910-8-26 Napa Aetna Springs Comment
  UC1238994  Castilleja minor subsp. spiralis Freed W. Hoffman 1946-8-21 869 Napa near Morgan Valley (on the Knoxville Road, Hunting Creek, Napa-Lake county line); North Coast Ranges, Hunting Creek Comment
  UC1607995  Castilleja minor subsp. spiralis Donald G. Nelson 1940-8-7 707 Napa about 3 mi nw Knoxville (at the sign of Harrison Mines); Coast Range Mountains Comment
  JEPS110657  Castilleja rubicundula subsp. lithospermoides Jake Ruygt 1978-5-21 332 Napa 6.3 miles north of Sage Canyon Rd. on Chiles Valley Rd. 237 Comment
  UC726417  Castilleja rubicundula subsp. lithospermoides A. A. Heller 1941-5-16 16131 Napa about 3 mi w Knoxville (on the road to Lower Lake) Comment
  CAS-BOT-BC40474  Caulanthus lasiophyllus John Thomas Howell 1931-4-2 6074 Napa Wooden Valley grade 5 miles east of Napa. Comment
  UCD161780  Caulanthus lasiophyllus Jake Ruygt 1998-5-11 3962 -x Napa Greeg Mountain. 353 Comment
  SACT002917  Ceanothus cuneatus John Willoughby 1976-6-4 Napa Collected near top of Mount Vaca, in chaparral. Young individual which germintaed following fire that occured here. Leaves toothed. Comment
  UCD95690  Ceanothus cuneatus Ellen Dean; with Clare Loughran 2011-5-20 7036 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  JEPS110720  Ceanothus cuneatus var. cuneatus Jake Ruygt 1991-3-30 2618 Napa crest of Oakville Grade 274 Comment
  JEPS42095  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-5-1 13990 Napa nw Calistoga (Franz Valley grade, on divide) Comment
  JEPS42325  Ceanothus dentatus W. L. Jepson 1913-4-15 5312 Napa Howell Mt. Comment
  CAS-BOT-BC49798  Ceanothus divergens John Thomas Howell 1941-4-5 16159 Napa Franz Valley Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64434  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64437  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  POM85918  Ceanothus foliosus Katherine Brandegee 1889-04 s.n. Napa Mt St. Helena 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
  UC1005687  Ceanothus foliosus Frank W. Gould 1939-4-6 597 Napa 5 mi e Napa (just n of Mt. George.) 228 Comment
  UC1198028  Ceanothus foliosus Joseph P. Tracy 1902-5-17 1512 Napa 3-4 mi e Angwins (on hills at head of Moore's Creek.); Howell Mt., North Coast Ranges 365 Comment
  UC229973  Ceanothus foliosus Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UCD112127  Ceanothus foliosus Ray Prag 1971-1-31 180 Napa near Las Posadas State Forest. Comment
  CAS-BOT-BC50880  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-6 4702 Napa Mt. St. Helena Comment
  CAS-BOT-BC50918  Ceanothus foliosus var. foliosus John Thomas Howell 1926-3-21 1706 Napa Trail to top of Mt. St. Helena Comment
  UCD112145  Ceanothus foliosus var. foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 miles SW of Angwin. Comment
  UCD164751  Ceanothus foliosus var. foliosus Jake Ruygt 2014-6-7 5974 Napa Livermore Ranch, Montesol. 838 Comment
  CAS-BOT-BC63748  Ceanothus incanus John Thomas Howell 1934-3-26 11798 Napa Mt. St. Helena near Mountain Mill Hotel. Comment
  SACT002931  Ceanothus integerrimus John Willoughby 1975-5-25 Napa This is the blue-flowering form which McMinn states is common in Lake County. Along BLM Road to Cedar Valley beginning north of Knoxville. Comment
  UCD162743  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1627 Napa Pope Canyon, S bank of Pope Creek. 644 Comment
Read comments
Dec 8 2016
  UCD169651  Ceanothus integerrimus Jake Ruygt 2010-5-6 5546 Napa Snell Valley Road ant [sic] Butts canyon Rd. 198 Comment
  CAS-BOT-BC474707  Ceanothus jepsonii Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersection with Berryessa-Knoxville Road 140 Comment
  CAS-BOT-BC64976  Ceanothus jepsonii D. H. Wilken; E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Cyn Rd, ca 1.5 linear km S of jct with Snell Valley Rd. 315 Comment
  UC166029  Ceanothus jepsonii Joseph P. Tracy 1902-5-21 1593 Napa 3-4 mi e Angwin's (Howell Mt., hills at head of Moore's Creek.); Northern Coast Ranges 365 Comment
  UCD144307  Ceanothus jepsonii G. F. Hrusa 1995-4-2 12049 Napa Along Hwy 128 approx. 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W. of Nichellini Winery. 250 Comment
  UCD170817  Ceanothus jepsonii 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
  UCR23540  Ceanothus jepsonii John C. Roos 1939-2-28 306 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CAS-BOT-BC32694  Ceanothus jepsonii var. albiflorus John Thomas Howell 1931-4-3 6147 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs, Napa Range Comment
  JEPS79562  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1818 Napa Butt's Canyon Comment
  JEPS79614  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  CAS-BOT-BC51560  Ceanothus oliganthus var. sorediatus W. L. Jepson 1891-7-7 s.n. Napa in the Vaca Mts. Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  JEPS110859  Ceanothus oliganthus var. sorediatus Jake Ruygt 1976-4-29 34 Napa .6 mile SW of Napa-Solano Co. line on HWY 128 164 Comment
  UCD112326  Ceanothus oliganthus var. sorediatus J. E. Street 1950-4-24 s.n. Napa 8 miles north of Wooden Valley. Comment
  CAS-BOT-BC53181  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House, Mt. St. Helena Comment
  CAS-BOT-BC53216  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House, Mt. St. Helena Comment
  JEPS42393  Ceanothus parryi W. L. Jepson 1894-10-14 14024 Napa nw Calistoga (Rebecca Ranch grade) Comment
  OBI10390  Ceanothus parryi Milo S. Baker 1934-4-12 7723 Napa E slope of Mt St. Helena along hwy Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd Comment
  UC164819  Ceanothus parryi Joseph P. Tracy 1902-5-21 1583 Napa on hills at head of Moore's Creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain 365 Comment
  UC18397  Ceanothus parryi Willis L. Jepson 1894-10-14 Napa sw Calistoga (Rebecca Ranch grade); Napa River Basin, sw of Calistoga Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  UC79861  Ceanothus parryi C. C. Parry 1888-1 Napa Calistoga Comment
  UC79862  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCD112494  Ceanothus parryi Heidi E. M. Dobson 1978-5-6 319 Napa East slope of Mt. Veeder. Comment
  UCD112502  Ceanothus parryi Ray Prag 1971-4-23 s.n. Napa West side of State Highway 121, 1.9 miles south of intersection with Wooden Valley Road. 365 Comment
  JEPS48864  Ceanothus prostratus Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  SEINET12210800  Ceanothus prostratus var. occidentalis W. Knight, Knight, I. 1982-1 4670 Napa Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC52182  Ceanothus purpureus Milo S. Baker 1942-3-1 10190 Napa Northeast of town of St. Helena on road to Pacific Union College Comment
  CAS-BOT-BC52195  Ceanothus purpureus Mrs. H. C. Hand 1913-6-8 s.n. Napa Napa mountains Comment
  CAS-BOT-BC52199  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade east of Napa Comment
  CAS-BOT-BC83730  Ceanothus purpureus D. O. Burge; Kari B. Schroeder 2008-3-7 978 b Napa S of Lake Hennessey, 1.8 road miles (2.9 km) S of SR 128 370 Comment
  JEPS2521 Image available Ceanothus purpureus W. L. Jepson 1893-4-28 Napa Mt. George gorges n of; Napa River Basin; Mt. George, Napa River Basin Comment
  JEPS42335  Ceanothus purpureus H. E. McMinn 1923-5-25 964 a Napa Summit Wooden Valley Grade Comment
  LA44991  Ceanothus purpureus Lewis S. Rose; 1937-4-4 37021 Napa Gorges N. of Mt. George near Napa; Wooden Valley grade, 6 mi. NE of Napa 182 Comment
  RSA40278  Ceanothus purpureus L. S. Rose 1948-3-8 s.n. Napa Wooden Valley Grade, 6 miles NE of Napa. 183 Comment
  RSA51338  Ceanothus purpureus Peter H. Raven 1950-4-15 1768 Napa Wooden Valley grade above Napa. 457 Comment
  SJSU14052  Ceanothus purpureus C. L. Schmidt 1987-5-24 1183 Napa Mt George off Monticello Rd CA-121 396 Comment
  UC728640  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa 5 mi from Napa on Monticello Road Comment
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Dec 31 2011
  UCD112681  Ceanothus purpureus J. Street 1950-4-24 s.n. Napa 4 miles north of Napa, 2 feet high. Comment
  SEINET12209948  Ceanothus purpureus L. S. Rose 1937-1 37021 Napa Gorges N of Mt. George near Napa. Wooden Valley Grade, 6 mi NE of Napa 183 Comment
  JEPS44142  Centaurea cyanus W. L. Jepson 1936-7-2 17639 Napa Four Corners Napa Range, Howell Mt. Comment
  JEPS122700  Centaurea virgata subsp. squarrosa Jake Ruygt with Aigner and Koehler Aug, 2005 4961 Napa Morgan Valley Road just north of road to Harrison Mine. Quad: Jericho Valley. Comment
  JEPS106534  Centaurium muehlenbergii Jake Ruygt 1995-7-12 3515 Napa about 2 miles south of Lake Hennessey on private drive (Taylor 432 Comment
  JEPS46949  Centaurium trichanthum W. L. Jepson 1897-7-13 14633 Napa Pope Valley to Middletown; Butts Canyon Comment
  UC141232  Centaurium trichanthum unknown Aug 1883 Napa Calistoga Comment
  UC1618007  Centaurium venustum Donald G. Nelson 1940-8-7 700 Napa about 1 mile NW of Knoxville on road to Clear Lake. Comment
  CAS-BOT-BC272822  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  JEPS106655  Centromadia parryi subsp. parryi Jake Ruygt 1992-9-5 3139 Napa Tubbs Lane at Myrtledale Rd., Calistoga 122 Comment
  UC990568  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
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Aug 31 2011
  UCD164822  Cephalanthus occidentalis Jake Ruygt 2012-6-30 5870 Napa Putah Creek, north of Crystal Flats. 195 Comment
  JEPS51346  Cerastium glomeratum Willis L. Jepson 1897-5-2 Napa Napa River Basin, Rebecca Ranch Grade Upper Napa Valley, Napa River Basin, Rebecca Ranch Grade Comment
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Aug 24 2010
  UCD118140  Cerastium glomeratum Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station, along undeveloped road, south side of road. 519 Comment
  JEPS107195  Cercis occidentalis Jake Ruygt 1997-3-18 3809 Napa Conn Valley Road, 2 miles east from Silverado Trail 146 Comment
  RSA195520  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  UC1540471  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 mi se Monticello; Putah Creek Canyon Comment
  SEINET6331974  Cercocarpus betuloides R. R. Halse 2013-3-27 8754 Napa Along State Hwy. 128 about 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  UCD33088  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  CAS-BOT-BC135483  Cercocarpus betuloides var. betuloides John Thomas Howell; Alice Eastwood 1937-4-4 3831 Napa Rocky canyon, Wooden Valley Grade east of Napa Comment
  JEPS45534  Cercocarpus betuloides var. betuloides W. L. Jepson 1915-12-6 6583 Napa Howell Mountain Comment
  UC1543121  Cercocarpus betuloides var. betuloides Charlotte G. Nast 1936-3-27 38 Napa Putah Canyon Comment
  CAS-BOT-BC284572  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-6 2823 Napa Burn below Conn Dam 274 Comment
  HSC43957  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-19 688 Napa Along drainage running NE from Adams Creek. Comment
  JEPS106928  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1982-5-19 1285 Napa 1.8 miles south of Pope Canyon Rd. on Berryessa-Knoxville R 207 Comment
  JEPS129078  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 2016-4-5 6179 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD32574  Chaenactis glabriuscula var. heterocarpha Beecher Crampton 1954-5-20 1928 Napa 8 miles southwest of Monticello, along highway 128. Comment
  CAS-BOT-BC284567  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills SW of St. Helena Comment
  UCD130360  Chaenactis glabriuscula var. heterocarpha Robert E. Preston 1988-4-10 575 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, 268 Comment
  CDA34657  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  SBBG128695  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa below high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera Parking Area at NE end of causeway on S side of Berryessa Knoxvill Rd, ca. 20 mi (air) NW of Winters 130 Comment
  UC615139  Chamaesyce serpyllifolia Beryl O. Schreiber 1936-9-20 2356 Napa 5 mi s Reiff 762 Comment
Read comments
Jun 14 2013
  JEPS103992  Cheilanthes gracillima Jake Ruygt 1988-4-17 2154 Napa Mt. St. Helena below SW peak; upper portion of canyon 1103 Comment
  JEPS59711  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa St. Helena Comment
  SEINET5763970 Image available Chenopodium ambrosioides H. S. Reed 1948-1 2029 Napa Berryessa Valley, 2 mi N of Monticello Comment
  JEPS106846  Chenopodium berlandieri Jake Ruygt 1998-8-26 4107 Napa Big Ranch Road about 1/2 mile south of El Centro Ave. 16 Comment
  JEPS106722  Chenopodium californicum Jake Ruygt 1980-3-2 816 Napa Snell Valley 176 Comment
  POM215110  Chenopodium macrospermum var. farinosum J. T. Howell 1932-10-8 10801 Napa Tidal flat on Napa River at Cuttings Wharf. Comment
  JEPS115848  Chenopodium pumilio Lowell Ahart 2009-10-12 16443 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 437 Comment
  UCD98466  Chenopodium vulvaria Irving Grover 1958-6-24 Napa exact location unknown. Comment
  JEPS126071  Chimaphila menziesii Jake Ruygt 1987-7-11 2068 Napa Between Rattlesnake Springs and Livermore Road. Detert Reservoir 7.5' Quad. Comment
  UCD48272  Chlorogalum pomeridianum var. pomeridianum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 26 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCR261728  Chorizanthe membranacea Ann Howald 2003-5-23 2339 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  UC55747  Chorizanthe polygonoides var. polygonoides J. P. Tracy 1902-5-20 1564 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain, near Angwin Creek crossing on Howell Mountain Grade); Howell Mountain, head Moore's Creek 457 Comment
  UCD99835  Chorizanthe polygonoides var. polygonoides J. M. Tucker 1965-5-15 3827 Napa east side of Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  CAS-BOT-BC285219  Cichorium intybus John Thomas Howell 1940-5-19 15443 Napa Near Napa Comment
  JEPS122703  Cicuta douglasii Jake Ruygt 1992-5-15 2965 Napa In the Vale east of Johnson's Meadow north end. Quad: Mt. George. Comment
  UC1745943  Cirsium cymosum var. cymosum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2782 Napa Headwaters of Moore Creek, Las Posadas State Forest. 3-4 mi. E of Angwin. 518 Comment
  JEPS120422  Cirsium douglasii var. douglasii Jake Ruygt 2010-8-5 5683 Napa Pope Canyon, east of Walter Springs bridge, south side of creek. Comment
  CAS-BOT-BC286572  Cirsium occidentale var. venustum Peter H. Raven 1951-5-20 2846 Napa W. Oakville 365 Comment
  UCD161249  Cirsium occidentale var. venustum Jake Ruygt 1979-6-2 665 Napa 1.8 miles northwest of Atlas Peak Rd. on Monticello Rd. (Coordinates estimated by label maker at UC Davis). 182 Comment
  POM352174  Cirsium occidentale var. venustum T. Gertrude Williamson 1924-7-4 s.n. Napa Near St. Helena, Sulphur Springs Comment
  UCD143081  Cirsium vulgare Mark Bibbo 2002-7-28 79 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  CAS-BOT-BC169768  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower Lake Road Comment
  OBI54918  Clarkia affinis Kathleen Faustini 1980-5-4 29 Napa Monticello Dam Comment
  CAS-BOT-BC160918  Clarkia amoena subsp. amoena E. Ruckert 1960-4-29 131 Napa 6495 Dry Creek Road 396 Comment
  UCD160214  Clarkia concinna James A. Neilson Jr. 1974-5-5 2927 Napa Oakville Grade and Dry Creek Road. (Elevation and coordinates estimated by label-maker using topo map.) 175 Comment
  LA93786  Clarkia concinna Barrie Stanfield; 1966-5-22 51 Napa Napa Range, 5 mi S of Wooden 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
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  CHSC59990  Clarkia concinna subsp. concinna Keith G. Weinstock 1975-5-26 37 Napa Lower Chiles Valley Road and Sage Canyon Road Intersection. Comment
  UC972132  Clarkia concinna subsp. concinna Helen K. Sharsmith 1952-5-17 4072 Napa 3.8 mi n Capell Valley road junction; Inner North Coast Ranges, Steel Canyon 304 Comment
  UCD104555  Clarkia gracilis M. Wiesendanger 1927-5-4 681 Napa Near Monticello. Comment
  CAS-BOT-BC164532  Clarkia gracilis subsp. albicaulis Betty H. Johnson 1958-6-15 s.n. Napa 6.4 mi. S.W. of Middletown Comment
  RSA10703  Clarkia gracilis subsp. gracilis Carl B. Wolf 1928-5-3 1784 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS13167 Image available Clarkia gracilis subsp. gracilis W. L. Jepson 1894-5-1 13339 Napa mouth Conn Valley; Napa River Basin; Conn Valley, Napa River Basin Comment
  CAS-BOT-BC162479  Clarkia gracilis subsp. sonomensis Peter H. Raven 1951-6-10 2898 Napa Calistoga-Hanly's, Toll Rd., Mt. St. Helena 182 Comment
  CAS-BOT-BC163826  Clarkia purpurea subsp. quadrivulnera Rimo Bacigalupi 1928-6-20 1857 Napa Howell Mt. 10 miles west of St. Helena Comment
  CAS-BOT-BC163828  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC163825  Clarkia purpurea subsp. quadrivulnera Dr. E Goodman 1921-5-23 s.n. Napa Mt. St. Helena Comment
  UCD105088  Clarkia unguiculata L. P. Thibault 1995-5-19 38 Napa Northside of Highway 128, N of Lake Solano, approx. 2-3 miles E of Monticello Dam. 125 Comment
  UCD105090  Clarkia unguiculata L. P. Thibault 1995-5-19 38 Napa Northside of Highway 128, N of Lake Solano, approx. 2-3 miles E of Monticello Dam. 125 Comment
  UCD18489  Clarkia unguiculata P. J. Plummer 1995-5-29 s.n. Napa Lake Berryessa. 121 Comment
  UCD105039  Clarkia unguiculata M. Ensign 1943-5-28 305 Napa 10 miles N of Monticello on road to Lower Lake. Comment
  JEPS112618  Claytonia exigua subsp. exigua Jake Ruygt 1998-6-15 4032 Napa Mt. St. Helena, below SW peak. 1127 Comment
  JEPS48651  Claytonia gypsophiloides Elsa Kraeger 1926-3-28 Napa 0.5 mi from St. Helena Inn Comment
  RSA465247  Claytonia gypsophiloides Alice Eastwood 1918-5-1 6819 Napa Mt. St. Helena. Old crater in sand. Comment
  UC634938  Claytonia gypsophiloides A. E. Borell 1928-4-13 151 Napa 10 mi nw Calistoga Comment
  CAS-BOT-BC439325  Claytonia gypsophiloides Willis L. Jepson 1897-5-2 s.n. Napa Rebecca Ranch Grade, Napa River Basin Comment
  POM164077  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena. 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
  UCD15052  Claytonia perfoliata F. Takeda 1977-4-24 41 Napa Scagg Canyon, along Highway 128, 6.4 miles southwest of Monticello Dam. 182 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
  UC650403  Claytonia perfoliata subsp. perfoliata Ira L. Wiggins 1928-3-27 2870 Napa 1.5 mi ne Calistoga Comment
  JEPS55205  Clematis ligusticifolia Alice King July 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  UCD73054  Clinopodium douglasii Ellen Dean; S. Rae 2008-5-21 4973 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  CAS-BOT-BC474510  Collinsia heterophylla Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8672 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. Along Nevada Creek. 470 Comment
  UC1196848  Collinsia heterophylla J. P. Tracy 1902-5-21 1572 Napa 3-4 mi e of Angwins (Howell Mountain, Head of Moore's Creek); Howell Mountain, Head of Moore's Creek 457 Comment
  UCD48210  Collinsia heterophylla S. Olmsted; A. Atamian, R. Brush, C. Owens, M. Furuyama 2000-4-29 17 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  UCD49262  Collinsia heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd.,W side of creek. 167 Comment
  UCD70469  Collinsia heterophylla P. J. Plummer 1995-6-5 s.n. Napa Napa County West of city of Winters, along hwy 128. Growing under shrubs on open hillside. Flowers purple and white. 73 Comment
  UCD123621  Collinsia heterophylla M. Thibodeau 1995-4-15 9 Napa west of City of Winters, along Hwy 128. Quail Ridge Reserve, 15 meters north of main cabin. 274 Comment
  UCD123653  Collinsia sparsiflora G. F. Hrusa; S. Larson 1995-4-10 12064 Napa along Chiles Valley/Pope Valley Road approximately 2 meters south of Pope Canyon Road intersection. North Coast Biodiversity Arena. 175 Comment
  UCD69030  Collinsia sparsiflora P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa, Lower Chiles Valley Road. 255 Comment
  UCD71289  Collinsia sparsiflora Kook-Hyun Chung 2001-4-28 6 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Road, Ca. 0.45 miles(2400ft) NW of jct with South Decker Canyon Road; down slope of road ca. 20 m, On edge of opening interior live oak woodland; flower purple with white center, annual 242 Comment
  HSC58982  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 1020 Napa Near Bell Canyon 427 Comment
  JEPS77940  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3/4 mi from Rutherford (along Rutherford-Pope Valley rd) Comment
  UC1032605  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 Comment
  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
  JEPS6320  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-26 21330 Napa Yountville; Napa River Basin Comment
  UC138690  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Pacific Coast, Calistoga Calistoga; Pacific Coast, Calistoga Comment
  CHSC10572  Collinsia sparsiflora var. collina Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  UC1301186  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-17 5224 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UCD168547  Collinsia sparsiflora var. collina 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
  UCD49270  Collinsia sparsiflora var. sparsiflora Kook-Hyun Chung 2001-4-28 6 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 Road; downslope of road ca. 20 m. 242 Comment
  SBBG6883  Collinsia sparsiflora var. sparsiflora H. and M. Dearing 1939-5-1 3246 Napa top of Spring Mtn grade Comment
  JEPS112525  Collinsia tinctoria Jake Ruygt 1987-6-6 2032 Napa Devil's Canyon near falls 548 Comment
  CAS-BOT-BC229530  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  JEPS112561  Collomia diversifolia Jake Ruygt 1998-4-22 3932 b Napa Turner Mtn. about .6 mile from intersection Cement Cr Rd/Myster.V 475 Comment
  UCD112237  Collomia heterophylla Christopher Mallek 2008-5-12 AS2- 7 Napa Aetna Springs. 668 Comment
  UC908766  Collomia heterophylla P. B. Kennedy 1929-5-23 Napa Moore Creek Howell Mountain Comment
  UCD127324  Conium maculatum R. Tofsrud Date unknown s.n. Napa location unknown. Comment
  JEPS120436  Corallorhiza striata Jake Ruygt 1988-4-11 2140 Napa Newell Canyon. Comment
  JEPS75689  Cordylanthus mollis subsp. mollis Craig D. Thomsen 1976-7-27 Napa between Fagen Slough and Steamboat Slough; Napa River, Napa Marsh Comment
  UCR45098  Cordylanthus pilosus L. F. LaPre 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  UCD123103  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 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
  UC762585  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena Comment
  JEPS69350  Cordylanthus pringlei T. I. Chuang 1972-7-8 7062 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  OBI9573  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa E side of Mt. St. Helena, about 1/2 mi S of lake co. line Comment
  HSC90863  Cordylanthus tenuis subsp. brunneus T. I. Chuang 1972-7-8 7061 Napa Just S of the Napa and Lake Co. line, on Hwy. 29 Comment
  JEPS112549  Cordylanthus tenuis subsp. brunneus Jake Ruygt 1986-6-1 1802 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  UC761839  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa e side Mt. St. Helena Comment
  UCD170468  Cordylanthus tenuis subsp. brunneus Daniel Potter; Ninh Khuu 2016-6-18 897 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 454 Comment
  CAS-BOT-BC209799  Cornus glabrata H. E. McMinn 1922-8-2 359 Napa Putah Canyon Comment
  JEPS106396  Cornus glabrata Jake Ruygt 1990-5-19 2552 Napa Napa River about 1/4 mile north of Trancas Street, Napa 4 Comment
  UC412933  Cornus glabrata H. P. Chandler 1907-5-30 7598 Napa St. Helena, White Sulphur Spring Comment
  UCD164795  Cornus glabrata Jeff Page 2016-6-13 s.n. Napa Trubody Ranch, 5444 Trubody Lane. 21 Comment
  RSA52657  Cornus nuttallii I. L. Wiggins 1949-4-30 12090 Napa Along draw on NE flank of Mount St. Helena. 915 Comment
  UCD161226  Cornus nuttallii Jake Ruygt 2003-4-11 4495 Napa Howell Mtn. Rd. near Ink Grade Rd. (Coordinates estimated by label maker at UC Davis). 560 Comment
  UCSB27482  Cornus nuttallii Havlik, Neil 1969-6-29 Napa Along Trout Creek; near State Highway 29 609 Comment
  POM339717  Corylus cornuta var. californica F. R. Fosberg 1967-9-10 48646 Napa Near Haven Place above St. Helena, Napa Valley. 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
  UCD130915  Cotula coronopifolia J. M. Tucker 1959-4-18 3506 Napa beside (south side of) Silverado Trail, ca. 3 miles east of Calistoga. Comment
  UC1300834  Crassula connata var. subsimplex Helen K. Sharsmith 1963-3-17 5217 Napa s. side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD74322  Crepis pulchra Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS117993  Crepis pulchra Zoya Akulova-Barlow 2011-5-22 Napa South of Youngtville, between Solano Avenue and rail road. Comment
  UC1746479  Crepis pulchra Jake Ruygt 1999-5-15 4158 Napa W of Napa (along Patrick Rd., cs 2 mi w of Browns Valley Rd.) 200 Comment
  UCD164829  Crepis pulchra Jake Ruygt 2012-6-16 5866 Napa Alston Park near north parking lot. 33 Comment
  OBI49310  Crocanthemum scoparium Joseph Andorfer Ewan 1934-4-30 8825 Napa Sarco crk, 4 mi above Napa Comment
  JEPS31093  Crocanthemum scoparium var. vulgare W. L. Jepson 1938-5-20 18804 Napa slope above St. Helena Sanitarium (open slope above vineyard); Howell Mountain Comment
  SEINET1910014  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-1 7963 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; E of boat-launching ramp on SE edge 91 Comment
  UCR146405  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa Inner North Coast Ranges, 4 miles east of Rutherford, Conn Reservoir 122 Comment
  RSA0094670  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  SBBG117229  Cryptantha clevelandii B. Crampton 1954-5-20 1929 Napa 8 mi SW of Monticello, along Hwy 128 Comment
  SEINET4206988  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa 8 miles southwest of Monticello, along highway 128.; 0 Comment
  CAS-BOT-BC33118  Cryptantha clevelandii var. florosa Charles Fuller Baker 1903-5-8 2966 Napa Knoxville Comment
  UC1239659  Cryptantha flaccida J. P. Tracy 1899-6-11 438 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD149660  Cryptantha flaccida 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
  JEPS100842  Cryptantha hispidula Dean Wm. Taylor with Mey Akasah 1999-6-4 17218 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  RSA733921  Cryptantha hispidula Beecher Crampton 1954-5-20 1929 Napa Napa County, 8 miles southwest of Monticello, along highway 128. Growing in low road banks, in serpentine soil. Comment
  UCD161337  Cryptantha hispidula Jake Ruygt 1983-4-13 1419 Napa Walter Springs Bridge at Pope Canyon Road. (Coordinates estimated by label maker at UC Davis). 181 Comment
  UCD170153  Cryptantha hispidula Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 786 Napa Knoxville Wildlife Area, near top of ridge above and west of Berryessa-Knoxville Road 558 Comment
  UCD161363  Cryptantha intermedia Jake Ruygt 1988-5-29 2202 Napa Napa County : South end of Adams Ridge, east of Mysterious Valley. (Coordinates estimated by label maker at UC Davis). 518 Comment
  UC963904  Cryptantha intermedia Milo S. Baker 1947-7-7 11848 Napa s of Mt. St. Helena Inn (at end of wood rd leading toward the Crater) 914 Comment
  JEPS106704  Cryptantha microstachys Jake Ruygt 1982-5-15 1263 Napa Soda Canyon Rd. on west side of the grade 335 Comment
  UCD47944  Cryptantha muricata M. Carson; A. Haselby, S. Howard, P. Meyers 2000-4-29 4 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD74370  Cryptantha muricata Jake Ruygt 2005-6-25 4933 Napa Peak below and SW of Berryessa Peak. 762 Comment
  JEPS39836  Cupressus lawsoniana W. L. Jepson Nov 29 1907-Nov 30 1907 2968 a Napa Cal. Nursery Co. St. Helena Comment
  CAS-BOT-BC80717  Cupressus macnabiana J. Clausen 1935-5-22 1062 Napa 15.9 mi. SE of Lower Lake on the Monticello road beyond the Napa Co. line 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
  JEPS104754  Cupressus macnabiana John L. Morrison 1969-8-16 4027 Napa near Knoxville Comment
  JEPS39757  Cupressus macnabiana W. L. Jepson 1920-5-25 9039 Napa Knoxville Ridge Comment
  JEPS41068  Cupressus macnabiana Rimo Bacigalupi, & L. R. Heckard, J. R. Sweeney 1965-5-16 9105 Napa 1 mi n of headwaters of Zim Zim Creek (along Devilhead Road); Devilhead Road 493 Comment
  UCD110850  Cupressus macnabiana Christopher Mallek 2008-1 AS- 1 Napa Aetna Springs. 668 Comment
  NY16702  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA0020853  Cupressus macnabiana David J. Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  RSA92799  Cupressus macnabiana P. H. Raven 1951-10-28 3958 Napa Knoxville. 457 Comment
  CAS-BOT-BC85485  Cupressus sargentii John Thomas Howell 1927-8-24 3051 Napa moist, rocky stream-bed, Butts Valley, on Pope Valley-Middletown road, Napa Range Comment
  CDA11909  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-8 11715 Napa North Coast Biodiversity Arena; Tree 8 meters tall, upper hillslopes above road on small rivulet. Serpentine area approx. 1/2 mile above Aetna Springs resort. Comment
  JEPS103999  Cupressus sargentii Jake Ruygt 1979-2-25 436 Napa Oat Hill Mine Rd. near Aetna Springs 411 Comment
  JEPS47095  Cuscuta indecora W. L. Jepson 1930-10-19 15703 Napa Butts Canyon Comment
  UCD170466  Cuscuta indecora var. indecora Daniel Potter; Ninh Khuu 2016-6-18 895 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 448 Comment
  JEPS47132  Cuscuta subinclusa W. L. Jepson 1930-10-19 15702 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  JEPS47144  Cuscuta subinclusa W. L. Jepson Oct 12 1894-Oct 13 1894 70 a Napa St. Helena Napa Valley Comment
  UCD169892  Cynoglossum grande Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 733 Napa Knoxville Wildlife Area. 311 Comment
  UCD60160  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa 7 miles northeast of Napa, Howell Mountains, summit State Hwy. 37. Comment
  JEPS115780  Cyperus erythrorhizos Lowell Ahart 2009-10-27 16496 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  UC608776  Cyperus niger Beryl O. Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch 121 Comment
  UCD161533  Cyperus niger Jake Ruygt 1991-7-26 2800 Napa road from Johnson's Meadow to Wooden Valley Wild Horse Valley Ranch. 207 Comment
  JEPS129139  Cyperus squarrosus Jake Ruygt 1998-7-18 4096 Napa Bear Valley at pond. Detert Reservoir 7.5' Quad. Comment
  JEPS115760  Cypselea humifusa Lowell Ahart 2009-10-27 16475 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  CAS-BOT-BC70741  Cystopteris fragilis Peter H. Raven 1953-4-2 5292 Napa Tulucay Creek 243 Comment
  UCD136345  Cystopteris fragilis D. H. Hartmann 1942-3-7 s.n. Napa In Green Valley. Comment
  UCD60496  Danthonia californica R. Tofsrud 1947-6-19 s.n. Napa About 6-7 mi. from Napa on Hwy. 37 to Monticello. Comment
  JEPS126109  Datisca glomerata Jake Ruygt 1979-6-16 701 Napa Dry Creek Road, near Oakville Grade. Rutherford 7.5' Qua. Comment
  CHSC102261  Datura stramonium var. tatula Lowell Ahart 2009-10-27 16502 Napa Below the high water line of Lake Berryessa, about 200 yards east of Eticuera Creek, about 150 yards southeast of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS104563  Daucus pusillus Jake Ruygt 1984-5-5 1546 Napa ridge north of Bell Canyon Comment
  UCD160779  Daucus pusillus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8659 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UCD161638  Daucus pusillus Jake Ruygt 2005-5-9 4823 Napa Knoxville Wildlife Area, west side of Berryessa-Knoxville Road. (Coordinates converted from UTM data by label maker.) 429 Comment
  UCD161345  Deinandra corymbosa Jake Ruygt 1986-5-5 1745 Napa West side of Mt. George. (Coordinates estimated by label maker at UC Davis). 326 Comment
  JEPS60582  Delphinium decorum Willis L. Jepson 1893-5-2 Napa Pope Valley grade from Calistoga Napa River Basin (near summit) Comment
  CAS-BOT-BC10197  Delphinium hesperium John Hunter Thomas 1955-5-21 5160 Napa Near State Highway No. 128 and Capell Creek, about 12 miles E of St. Helena 274 Comment
  LA207642  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 sn Napa Monticello to Fairfield road, 1.5 mi. S of road to St. Helena Comment
  RSA149662  Delphinium hesperium Harlan Lewis, G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S of road to St. Helena Comment
  UCD95806  Delphinium hesperium J. D. Atkin 1952-5-1 7 Napa Portuguese Canyon, ca. 1 mile up Putah Creek from Recreation Beach. Comment
  JEPS110986  Delphinium hesperium subsp. pallescens Jake Ruygt 1978-5-21 329 Napa 4.5 miles north of Sage Canyon Rd. on Chiles and Pope V. Rd 259 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
  UCD48154  Delphinium hesperium subsp. pallescens R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 19 Napa Northern Napa Countym McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  HSC47888  Delphinium hesperium subsp. pallescens H. Lewis, G. Mehlquist 1941-5-9 Napa 13.4 mi. N of Monticello Comment
  CAS-BOT-BC9820  Delphinium nudicaule P. H. Raven 1957-5-5 10772 Napa At western edge of Calistoga 182 Comment
  CDA11174  Delphinium nudicaule G. F. Hrusa 1988-4-16 5538 Napa North Coast Biodiversity Arena; Hwy. 128 ~ 2 miles S of Lower Chiles Valley Rd. 140 Comment
  UC608257  Delphinium nudicaule B. O. Schreiber 1938-4-24 2495 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
  UCD102766  Delphinium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 200 Comment
  UCD170216  Delphinium nudicaule Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 741 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 330 Comment
  CAS-BOT-BC9809  Delphinium nudicaule Ella D. Cantelow 1939-4-8 2522 Napa Lower Lake Road, 6 mi. N of Jct. with Pope Creek Road Comment
  CAS-BOT-BC9817  Delphinium nudicaule Ira L. Wiggins 1949-4-30 12079 Napa Along old toll road between Calistoga and Middletown, about 2.5 mi. from Calistoga Comment
  HSC24996  Delphinium nudicaule Greg Bos 1963-3-24 43 Napa NW end of Lake Barryesa at Putah Creek 168 Comment
  SEINET12099567  Delphinium nudicaule Thurber 1852-1 511 Napa no further locality Comment
  UC906516  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa 5 mi above Napa (side gulch); Sarco Creek Comment
  SEINET10762770  Delphinium nudicaule var. foliosum George Thurber Thurber 511 Napa Comment
  UC160911  Delphinium patens Joseph P. Tracy 1902-5-16 1509 Napa on hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD20920  Delphinium patens V. (Shorty) Boucher 2002-4-11 11 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd, just south of 'Susan's Road.' About 1000 airline ft SW of locality for Dean 898 - Saxifraga californica (coordinates are for that locality). 274 Comment
  RSA195349  Delphinium patens Gilbert Muth 1967-5-19 697 Napa Milliken Dam. 335 Comment
  CAS-BOT-BC17149  Delphinium uliginosum G. L. Stebbins 1967-5-31 6522 Napa Cedar Valley, south of Knoxville 609 Comment
  UCD13263  Delphinium uliginosum Mary M. Hektner 1973-6-4 348 Napa Napa CO. Chiles and Pope Valley Road, ca 3 miles north of junction with Lower Chiles Valley Road. Comment
  UCD14290  Delphinium uliginosum S. Boshoven 1983-5-29 26 Napa Napa Co.; Berryessa-Knoxville Road, 6 miles northwest of Knoxville; 365 Comment
  JEPS23359  Delphinium variegatum Miss R. Kuhn 1912-4-17 Napa Oakville Napa Valley Comment
  CAS-BOT-BC7911  Delphinium variegatum Ella D. Cantelow 1939-4-8 2523 Napa Pope Creek, near Jct. of Samuel's Springs Road Comment
  JEPS23364  Delphinium variegatum subsp. variegatum Willis L. Jepson 1893-5-1 Napa hills near Calistoga; Napa River Basin, Upper Napa Valley Comment
  SD44515  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa East side of Mount St. Helena; moist grassy slopes above road. 456 Comment
  LA45864  Dendromecon rigida Joseph Andorfer Ewan; 1937-5-23 10333 Napa Mount St. Helena, Pinus tuberculata recover area, summit trail Comment
  UCD167245  Dendromecon rigida Jake Ruygt 1991-4-17 2625 Napa Long Ranch, on ridge south of Lake Hennessey. 365 Comment
  CAS-BOT-BC659  Dendromecon rigida subsp. rigida Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena. Comment
  UCD61153  Deschampsia cespitosa Beecher Crampton 1957-5-8 4000 Napa Above Capell Creek, north end of Capell Valley. Comment
  UC187277  Deschampsia cespitosa subsp. cespitosa J. P. Tracy 1902-5-18 1543 Napa 3-4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  UCD170464  Deschampsia cespitosa subsp. cespitosa Daniel Potter; Ninh Khuu 2016-6-18 893 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 433 Comment
  CAS-BOT-BC198142  Deschampsia danthonioides Peter H. Raven 1951-6-10 2928 Napa Crater Region S of Palisades 762 Comment
  JEPS97742  Deschampsia danthonioides Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2773 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC201723  Deschampsia elongata Betty H. Johnson 1958-6-20 655 Napa Near Mt. Mill House, 6.4 miles SW of Middletown Comment
  UCD63297  Deschampsia elongata Beecher Crampton 1956-5-25 3469 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD63725  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3550 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCD148795  Dichelostemma capitatum Ellen Dean; Diana Hickson 2014-4-29 8103 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  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
  UCD48273  Dichelostemma capitatum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 6 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. 20 ft south of path. 545 Comment
  CAS-BOT-BC499415  Dichelostemma capitatum Peter H. Raven 1953-3-29 5226 Napa Hills e. of Imola 121 Comment
  CAS-BOT-BC499416  Dichelostemma capitatum Peter H. Raven 1953-5-2 5388 Napa Hills due e. of Yountville 243 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
  CHSC75032  Dichelostemma capitatum subsp. capitatum Glen Dreyer 1977-4-16 35 Napa Ca. 4 miles west of Monticelo Dam, about 20 ft. off of Highway 128. Comment
  HSC45346  Dichelostemma capitatum subsp. capitatum R. York 1978-4-8 111 Napa 2 mi. W of Angwin on Hwy. 128 305 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
  SEINET3885705  Dichelostemma pulchellum Linda Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road.; 0 183 Comment
  UCD160772  Dichelostemma volubile Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8651 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
  UCD139265  Dichelostemma volubile Rolf Y. Berg 1963-6-1 s.n. Napa south side of Lake Berryessa, ca. 4 miles west of Monticello Dam, State Highway 128. Comment
  CAS-BOT-BC153771  Diplacus angustatus J. W. Stacey 1933-5-16 s.n. Napa Howell Mt. Comment
  CHSC83411  Diplacus aurantiacus L. P. Janeway; B. Castro 2002-5-12 7547 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  SEINET13682807  Diplacus aurantiacus M. J. Williams 1967-5-7 s.n. Napa Howell Mountain [Road?], between St. Helena and Angwin. 259 Comment
  SEINET13769181 Image available Diplacus aurantiacus J. W. Riekels 1961-1 40 Napa State highway 128, 2 miles southwest of Monticello Dam Comment
  CAS-BOT-BC153277  Diplacus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  CAS-BOT-BC153330  Diplacus layneae Peter H. Raven 1951-6-10 2915 Napa Crater Region, e. of Mt. St. Helena 762 Comment
  CAS-BOT-BC153409  Diplacus layneae Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  SBBG28903  Diplacus layneae M. S. Baker 1947-7-7 11849 Napa St. Helena Range, ca. 1.5 mi S along Wood Rd from Mt St. Helena Inn 914 Comment
  JEPS129061  Dipsacus fullonum Jake Ruygt 1986-6-28 1841 Napa Tubbs Lane at Myrtledale Road, Calistoga. Calistoga 7.5' Quad. Comment
  CAS-BOT-BC208623  Distichlis spicata Peter H. Raven 1951-6-24 3024 Napa Inter, Brown's Valley to Napa-Sonoma Rd. 91 Comment
  CDA34681  Dittrichia graveolens L. 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. Comment
  JEPS9524  Dodecatheon hendersonii Willis L. Jepson 1893-3-13 14587 Napa hills e St. Helena (Napa River Basin); , e of St. Helena 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
  UCD73390  Dodecatheon hendersonii Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  UC22380  Dodecatheon hendersonii Willis L. Jepson 1893-4-25 Napa w St. Helena (trail to Caux's Cabin, Napa River Basin); Hoods Peak Range, Napa River Basin, w of St. Helena Comment
  RSA195338  Downingia concolor var. concolor Gilbert Muth 1967-5-19 694 Napa Milliken Dam. 335 Comment
  UCD75836  Downingia concolor var. concolor Jake Ruygt 1993-5-1 3245 Napa Pope Canyon Rd. at large vernal pond. 187 Comment
  JEPS14488  Downingia cuspidata W. L. Jepson 1938-5-25 18872 Napa 3 mi s Yount School (e side of Napa Valley); Napa Valley Comment
  JEPS82341  Downingia pusilla Robert F. Holland 1983-5-21 1233 Napa 3.5 mi s Route 121 (about 2200 ft w of Routes 12 and 29, e of the Napa River at Horseshoe Bend); Horseshoe Bend 3 Comment
  UC608447  Drymocallis glandulosa Beryl O. Schreiber 1936-3-5 2202 Napa 1.2 mi w Calistoga; w of Calistoga Comment
  UCD49140  Drymocallis glandulosa var. glandulosa Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Tom Liebmann 2001-4-28 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Bay Trail, ca. 1/8 mile from the end of the lake inlet. 146 Comment
  CAS-BOT-BC70948  Dryopteris arguta Carl B. Wolf 1928-5-3 1841 Napa base of Mt. St. Helena Comment
  UC397024  Dryopteris arguta Dr. Goodspeed June 1929 Napa near Napa Comment
  SEINET267031 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 673031 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  SEINET3098801 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 67- 30 -31 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
  UCD20915  Dudleya cymosa V. (Shorty) Boucher 2002-3-27 6 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. 243 Comment
  UCD101886  Dudleya cymosa Michael Fleschner 1965-5-13 13 - Napa next to Zim Zam Creek near Cedar Valley, west of Berryessa Knoxville Road, north of Lake Berryessa. Comment
  UCD101888  Dudleya cymosa subsp. cymosa Lynn Huffaker 1978-6-6 9 Napa 1 mile west of Lower Chiles Valley Road and Chiles Pope Valley Road intersection. Comment
  CAS-BOT-BC428111  Dudleya cymosa subsp. cymosa S. M. Carpenter 1952-4-20 46 Napa Near Samuel's Springs 106 Comment
  CAS-BOT-BC428152  Dudleya cymosa subsp. cymosa J. Clausen 1935-5-22 1066 Napa 19.5 mi. S.E. of Lower Lake, on the Monticello road Comment
  JEPS126102  Dysphania pumilio Jake Ruygt 1991-6-29 2760 Napa 3.2 miles north of Pope Canyon Road on Barryessa-Knoxville Road. Walter Springs 7.5' Qua. Comment
  CHSC102282  Eclipta prostrata Lowell Ahart 2009-10-27 16478 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
  JEPS126048  Egeria densa Jake Ruygt 2005-4-10 4754 Napa Lake Camille. Mount George 7.5' Quad. Comment
  JEPS121353  Eleocharis parvula Jake Ruygt 1986-7-13 1879 b Napa SW of Buchli Station near county line 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-BC203597  Elymus glaucus subsp. glaucus Betty H. Johnson 1958-6-20 654 Napa Near Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  JEPS122979  Elymus glaucus subsp. glaucus Jake Ruygt 1988-6-4 2212 Napa South slope Mt. St. Helena above Red Hill. Quad: Detert Reservoir. Comment
  JEPS76093  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-24 18851 Napa plateau n Four Corners; Napa Range, Howell Mountain 762 Comment
  SACT001100  Elymus glaucus subsp. glaucus John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of Blue Ridge. Forming colonies under oaks, top of ridge just above Pansy Flat. 609.6 Comment
  CAS-BOT-BC234136  Elymus multisetus Peter H. Raven 1952-5-31 4143 Napa Summit of hills SW of Rector Canyon 304 Comment
  UCD62437  Elymus multisetus E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello-Napa road. Comment
  UCD37943  Elymus trachycaulus Beecher Crampton 1962-5-16 6423 Napa Napa County, 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  UCD119205  Emmenanthe penduliflora K. Esau; E. Hyde 1938-5-25 s.n. Napa location unknown. Comment
  JEPS110696  Epilobium brachycarpum Jake Ruygt 1992-5-6 2947 Napa Wild Horse Valley Ranch, west of Mitten Lake 420 Comment
  CAS-BOT-BC166345  Epilobium canum subsp. canum Peter H. Raven 1951-8-22 3883 Napa 2 8/10 miles from Lokoya on Napa Rd. 228 Comment
  UC20656  Epilobium canum subsp. canum Capt. F. L. Clark Oct. 1895 Napa Yountville Comment
  UCD19917  Epilobium canum subsp. canum E. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 773 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  CAS-BOT-BC171954  Epilobium canum subsp. latifolium L. R. Abrams 1916-7-2 5753 Napa St. Helena Sanitarium Comment
  CDA11335  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena; Alongside Highway 128. Comment
  UCD160631  Epilobium minutum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8723 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 200 Comment
  UCSC009034  Epilobium minutum Dylan M. Neubauer 2015-4-26 136 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS38232  Epilobium torreyi W. L. Jepson 1938-6-8 18897 Napa Suell Valley Comment
  JEPS129126  Equisetum arvense Jake Ruygt 2008-7-19 5359 Napa Eticuera Creek, south of Long Canyon. Knoxville 7.5' Quad. Comment
  JEPS103965  Equisetum telmateia Jake Ruygt 1993-3-7 3169 Napa end of Conn Valley Rd. (county road) 97 Comment
  JEPS116561  Equisetum telmateia var. braunii Jake Ruygt 1991-4-17 2623 Napa Montgomery Creek about 1/2 mile west of Mt. Veeder Road. Rutherford 7.5' Quad. Comment
  UCD164817  Eragrostis hypnoides Jake Ruygt 2012-9-15 5880 Napa Putah Creek south of Berryessa Estates 131 Comment
  JEPS120418  Ericameria arborescens Jake Ruygt 2010-8-21 5744 Napa Mt. St. Helena; fire road at intersection with private driveway. Comment
  CAS-BOT-BC295730  Erigeron petrophilus var. petrophilus Peter H. Raven 1951-6-10 s.n. Napa Crater Region, e. of Palisades 762 Comment
  UCD161327  Erigeron philadelphicus Jake Ruygt 1980-5-4 871 Napa Bear Valley. (Coordinates estimated by label maker at UC Davis). 621 Comment
  HSC43918  Eriodictyon californicum Robert M. Specht 1977-4-13 657 Napa South-facing slope 488 Comment
  UC527841  Eriodictyon californicum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6672 a Napa 7 mi ne of Pacific Union College (Howell Mt.) on road to Aetna Springs Howell Mt. Comment
  UCD119251  Eriodictyon californicum M. Ensign 1943-5-28 330 Napa 26.5 miles from Monticello on road to Lower Lake. Comment
  UCD16012  Eriodictyon californicum L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 9 Napa McLaughlin Reserve, McLaughlin Reserve, found southeast of junction at Devilhead and Hunting Creek Roads. 38 deg. 49' 15'' N, 122 deg. 21' 13'' W; 530 m. Comment
  UCD49081  Eriodictyon californicum A. Collier; D. Caterson and S. Kenady 2002-5-4 7 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 1/2 meter. 342 Comment
  UCR220101  Eriodictyon californicum 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
  CAS-BOT-BC242607  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  UCD164779  Eriogonum dasyanthemum Jake Ruygt 2010-7-24 Napa East side of Hwy 121, at north end of Wooden Valley. 426 Comment
  RSA0005059  Eriogonum latifolium var. parvulum S. G. Stokes 1933-8-27 88 Napa End of Sage Valley, Napa Mountains. Comment
  SD22495  Eriogonum luteolum Susan G. Stokes 1933-8-27 Napa Near Chiles School Comment
  JEPS110790  Eriogonum luteolum var. luteolum Jake Ruygt 1984-6-23 1572 Napa Hwy 29 near Lake Co. line: Detert Reservoir quad 502 Comment
  JEPS129041  Eriogonum luteolum var. luteolum Jake Ruygt 2016-6-5 6275 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  LA206912  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  SEINET7064412  Eriogonum luteolum var. luteolum A. G. Vestal 1963-5-12 s.n. Napa Serpintine on Spring Mountain Road. (NAD83/WGS84). UTM Zone 10, 542003mE, 4263213mN. 299 Comment
  UC6530  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade Comment
  LA206913  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 81 Napa Sage Canyon, Napa Mountains; edge of river bed Comment
  SBBG83228  Eriogonum nudum L. F. LaPre, R. Bjork 1986-7-13 Napa Hunting Crk, 0.5 mi S of Dunnigan Hill, Jericho Valley' 7.5' Quad 335 Comment
  CAS-BOT-BC268976  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  CAS-BOT-BC268978  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  JEPS56627  Eriogonum nudum var. nudum W. L. Jepson 1937-9-29 18571 Napa on road to Sanitorium; St. Helena Comment
  CAS-BOT-BC269712  Eriogonum nudum var. oblongifolium H. M. Hall 1923-10-12 11925 Napa Northern Napa Co., 16 mi. s.e. of Lowerlake Comment
  CAS-BOT-BC298510  Eriophyllum confertiflorum John Thomas Howell 1941-6-21 16313 Napa Hills SW of St Helena Comment
  JEPS106951  Eriophyllum confertiflorum Jake Ruygt 1991-6-1 2711 Napa Mt. St. John, fire trail 502 Comment
  SEINET7072771  Eriophyllum confertiflorum A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  CDA37351  Eriophyllum lanatum D. G. Kelch 2010-5-6 10 .166 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCR43103  Eriophyllum lanatum 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
  JEPS34500  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-6-11 19007 Napa Knoxville Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  RSA15681  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC177004  Eriophyllum lanatum var. achilleoides Katharine Brandegee 1909-6-1 Napa Calistoga Comment
  UCD54313  Eriophyllum lanatum var. achilleoides K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 58 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  JEPS34607  Eriophyllum lanatum var. achilleoides Willis L. Jepson 1894-5-1 14565 Napa hills e of St. Helena; Napa River Basin Comment
  UC507185  Eriophyllum lanatum var. achilleoides Lincoln Constance 1931-3-21 138 Napa rock slide on Mount St. Helena Comment
  UC1536864  Eriophyllum lanatum var. arachnoideum G. H. True Jr. 1937-6-21 737 Napa near Lokoya Lodge 365 Comment
  JEPS85038  Erodium botrys Larry Heckard and Mary Ashton 1969-5-3 2196 Napa 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  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
  SEINET5642298  Eryngium aristulatum David Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  JEPS17436  Eryngium aristulatum var. aristulatum Willis L. Jepson 1903-9-7 2352 Napa above St. Helena Reservoir; Napa River Basin Comment
  JEPS17449  Eryngium aristulatum var. aristulatum W. L. Jepson 1894-7-19 14277 Napa big rd. near Tubb's Place above Calistoga; upper Napa Valley Comment
  RSA181406  Eryngium aristulatum var. aristulatum James I. McMurphy 1910-6-7 s.n. Napa Between Napa and Petaluma Comment
  JEPS2584 Image available Eryngium petiolatum W. L. Jepson 1893-9-25 14279 Napa Yountville Napa River Basin; Yountville, Napa River Basin Comment
  UCD161238  Erysimum capitatum Jake Ruygt 2009-5-22 5415 Napa Napa County : American Canyon, across road from quarry. (Coordinates estimated by label maker at UC Davis). 172 Comment
  SEINET8380160  Erythranthe microphylla C. G. Baughn 1949-4-24 21 Napa beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  UCSC009037  Erythranthe nudata Dylan M. Neubauer 2015-4-26 139 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC133287  Erythronium helenae Mrs. Clara Hunt 1924-3-10 s.n. Napa unspecified Comment
  NY319669  Erythronium helenae E. I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  RSA195285  Erythronium helenae Gilbert Muth 1967-4-9 601 Napa Aetna Spring Road. 305 Comment
  SD60206  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena, steep northerly slope just east of the Palisades on old stage road, brushy woods. Comment
  UC1328143  Erythronium helenae Donald V. Hemphill 1941-3-22 155 Napa 1 mile south of Snell Peak. 335 Comment
  SEINET10528927  Erythronium pluriflorum James R. Shevock, Jim A. Bartel 1988-7-2 Shevock 11844 Napa Common along the north and northeast slope of Shuteye Peak on granitic rocky slopes, subalpine coniferous forest, T7S R23E, sect 2N 1/2. Chiquito Ridge, San Joaquim River drainage, Sierra National Forest. Associated with Saxifraga bryophora, Lomatatium torreyi and Sorbus californica. 8250 feet. Comment
  UC410441  Eschscholzia caespitosa Alice Eastwood 1930-4-13 17925 Napa canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC403335  Eschscholzia californica L. R. Abrams 1928-5-4 12285 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC403336  Eschscholzia californica Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC403338  Eschscholzia californica Gilbert Muth 1967-4-16 631 Napa Snell Valley 182 Comment
  UC726443  Eschscholzia californica A. A. Heller 1941-5-16 16125 Napa Knoxville; border of a mine dump Comment
  POM149284  Eschscholzia californica var. crocea C. F. Baker 1903-5-8 2969 Napa Knoxville. Comment
  RSA31673  Eschscholzia californica var. crocea A. A. Heller 1941-5-16 16125 Napa Knoxville, border of mine dump. Comment
  HSC16780  Eschscholzia hypecoides Greg Bos 1963-3-24 44 Napa NW end of Lake Berryesa, at Putah Creek 168 Comment
  UCD103236  Eucalyptus viminalis W. L. Jepson 1936-6-29 17628 Napa In front of house, at edge of road, of Mrs. O. G. Freyermuth, near Rutherford. Comment
  UCD20022  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1216 Napa On S side of Lake Hennessy. 1 mile west of junction of Route 128 and Pope Valley Road. Comment
  UCD167058  Euphorbia crenulata Jake Ruygt 1998-4-22 3933 Napa Tributary to Cement Creek, about 1/2 mile from Cement Circle Road. 228 Comment
  UCD149689  Euphorbia oblongata Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD117765  Euphorbia spathulata Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. Adjacent to serpentine slope. 386 Comment
  UC485607  Eurybia radulina Katharine Brandegee 1910-7-27 Napa Angwin, Howell Mt. Comment
  RSA755363  Euthamia occidentalis L. Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS71213  Festuca californica W. L. Jepson 1936-7-3 17647 Napa Howell Mt. Comment
  SBBG29006  Festuca californica B. Crampton 1967-5-11 Napa 4.5 mi E of Rutherford, Conn Reservoir Comment
  UCD37300  Festuca californica Beecher Crampton 1959-5-7 5202 Napa State Highway 128, north end of Capell Valley, Capell Creek. Comment
  UCD75791  Festuca californica Ellen Dean; S. Rae 2008-5-21 4988 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 Comment
  CAS-BOT-BC282493  Festuca elmeri Peter H. Raven 1952-5-31 4157 Napa Rector Dam 152 Comment
  JEPS129082  Festuca microstachys Jake Ruygt 2016-4-16 6192 Napa Smitty Ranch, east of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UC187112  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 487 Comment
  JEPS122955  Festuca perennis Jake Ruygt 1982-6-6 1310 Napa South of Suscol hill and west of Highway 29. Quad: Cuttings Wharf. Comment
  UCD37405  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  JEPS76120  Festuca rubra W. L. Jepson 1938-6-8 18894 Napa Butts Canyon South Fork Butts Creek Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  CAS-BOT-BC63009  Frangula californica subsp. crassifolia Carl B. Wolf 1928-2-25 1506 Napa 3 mi. no. of summit of the Mt. St. Helena Grade, near Lake - Napa cos. line. Comment
  CAS-BOT-BC53521  Frangula californica subsp. tomentella Cornelia S. Masters 1915-6-15 s.n. Napa Mountains of Napa Co. Comment
  CAS-BOT-BC53524  Frangula californica subsp. tomentella Mrs. G. Earle Kelly 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC53527  Frangula californica subsp. tomentella H. E. McMinn 1922-7-1 295 Napa Pope Canyon Comment
  UCD118521  Frangula californica subsp. tomentella Amber Kimpel; 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. 417 Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  RSA298947  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa Rutherford, Pope Valley Road, 3/4 mile out of Rutherford Comment
  CAS-BOT-BC205884  Fremontodendron californicum Agnes M. Bowman 1902-4-20 s.n. Napa Road to Knoxville Comment
  CAS-BOT-BC205885  Fremontodendron californicum Margaret J. Williams; Wayne Roderick 1984-5-22 84- 13 -2 Napa Hwy 29, 0.3 mi into Lake County from Napa County 396 Comment
  CAS-BOT-BC205886  Fremontodendron californicum E. Ruckert 1960-4-3 66 Napa 6495 Dry Creek Road; on terrace 365 Comment
  UC545809  Fremontodendron californicum Herbert L. Mason 1935-5-30 10009 Napa 4 miles north of Knoxville Mines Comment
  UCD149634  Fritillaria G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UC545849  Fritillaria affinis E. Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley-Middletown Road Butts Canyon; , Pope Valley-Middletown Road Comment
  SEINET3154171  Fritillaria coccinea H. P. Chandler 1907-3-6 7503 Napa Reservoir, St. Helena Comment
  UCD170218  Fritillaria pluriflora Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 739 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  CAS-BOT-BC130490  Fritillaria purdyi John Thomas Howell 1940-5-19 15451 Napa Upper St. Helena Creek Comment
  JEPS81599  Fritillaria purdyi R. Raiche 1982-3-7 20205 Napa Junction of Snell Valley Road and Butts Canyon Road Comment
  JEPS113968  Fritillaria recurva Jake Ruygt 1990-4-8 2474 Napa White Creek, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  UCSC010491  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-BC508190  Fritillaria recurva Beecher Crampton 1961-4-6 5855 Napa N. end of Capell Valley above Capell Creek along State Hwy 128 Comment
  SEINET8480175  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir, St. Helena. Comment
  UCD139676  Fritillaria recurva Heidi E. M. Dobson 1978-4-2 291 Napa Mt. Veeder. 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
  SEINET12329996  Galium andrewsii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -315 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS7029  Galium andrewsii subsp. andrewsii W. L. Jepson 1938-5-22 18834 Napa South Fork Butts Canyon Comment
  RSA293049  Galium andrewsii subsp. andrewsii Reino Alava, Lincoln Constance, R. Ornduff 1957-5-5 764 Napa Mt St Helena. Comment
  UCD49247  Galium aparine L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 8 Napa SW end of Lake Barryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 10-20 ft. from stream. 152 Comment
  JEPS52650  Galium bolanderi Lauramay T. Dempster 1965-5-15 4093 Napa s Knoxville (n slope); Cedar Valley 609 Comment
  UCD95907  Galium californicum subsp. californicum Ellen Dean; with Clare Loughran 2011-5-20 7048 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCR43199  Galium nuttallii L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  UCD19332  Galium porrigens M. A. Bibbo; E. Dean 2001-7-6 24 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, along upper road by powerline, ca. 0.2 air miles from jct of W and E roads. 312 Comment
  UCR225658B  Galium porrigens Ellen Dean, Stephen Rae 2008-5-21 4985 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  CAS-BOT-BC304340  Gamochaeta John Thomas Howell 1926-3-28 1775 Napa SE base of Mt St Helena in Napa Valley Comment
  JEPS106906  Gamochaeta ustulata Jake Ruygt 1982-4-18 1192 Napa Calistoga Grade, Mt.St.Helena 359 Comment
  JEPS126068  Garrya elliptica Jake Ruygt 2005-3-26 4713 Napa Skyline Park, Manzanita Trail. Mount George 7.5' Quad. Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144384  Garrya fremontii H. E. McMinn 1925-1-23 1363 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144385  Garrya fremontii Willis L. Jepson 1896-2-23 s.n. Napa Near Toland House, Howell Mt. Comment
  CAS-BOT-BC144386  Garrya fremontii H. L. Mason 1925-1-22 1201 Napa Wooden Valley Grade Comment
  CAS-BOT-BC144423  Garrya fremontii Alice Eastwood 1918-9-3 7946 Napa Mt. St. Helena Comment
  UCD19927  Gastridium phleoides E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 782 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD66546  Gastridium phleoides Beecher Crampton 1965-6-30 7415 Napa Solano - Napa Counties: Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  CDA5309  Gaura lindheimeri E. P. Delfino 1953-6-1 Napa Yountville. 0 Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  UCD83409  Geranium carolinianum Jake Ruygt 2009-4-25 5400 Napa Conn Valley Rd., ca. 1/3 mi E of Howell Mountain Rd. 115 Comment
  UCD49064  Geranium dissectum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, E side of South Decker Canyon Rd., N of jct with Cut-Off Rd., along open grassy slope. 152 Comment
  JEPS106707  Geranium molle Jake Ruygt 1994-3-15 3413 Napa Chiles Valley Raod about 1 mile from Chiles Valley 335 Comment
  JEPS85015  Geranium molle Larry Heckard and Mary Ashton 1969-5-3 2223 Napa 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd); Mead Ranch 457 Comment
  HSC98501  Geranium purpureum Barbara Ertter, Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on NE flank of Mt. St. John, W of Rutherford in Napa Valley Comment
  UCD103474  Geranium purpureum Glen Holstein 1977-5-11 s.n. Napa Along State Highway 121, 0.7 mile north of intersection with Wooden Valley Road. Comment
  UCD150654  Geranium pusillum Stephen Brown 1974-4-6 27 Napa Four miles W junction of Hwys. 121 and 128, on Hwy 128. 304 Comment
  JEPS120362  Gilia achilleifolia subsp. multicaulis Jake Ruygt 1995-4-29 3453 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Quad. Comment
  RSA83101  Gilia capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon on east slope of Mayacama Mountains, ca. 8 miles from Vichy Springs on Montichello road. Comment
  UCD68114  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road, base of Conn Dam, 1.2 miles East of intersection with the Silverado Trail. In a foothill woodland plant association, dominated by Rubus, Salix, and Quercus, on a 70 degree slope, in sandy rocky soil, in a dry area, with sunlight for half the day, growing in scattered patches in area. An herbaceous plant, 1 ft. high. Flowers, light blue. 73 Comment
  JEPS110953  Gilia capitata subsp. capitata Jake Ruygt 1997-5-18 3854 Napa Hogback Mountain, Taylor Preserve. 542 Comment
  SEINET5732137 Image available Gilia tricolor Linda Dodge 1974-1 13 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon and Chiles Valley Road intersection. 183 Comment
  JEPS110950  Gilia tricolor subsp. diffusa Jake Ruygt 1992-4-2 2872 Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  UCD167227  Gilia tricolor subsp. diffusa Jake Ruygt 1982-5-1 1217 Napa 3.2 miles north of Loma Vista Drive on Soda Canyon Road. 320 Comment
  JEPS129069  Gilia tricolor subsp. tricolor Jake Ruygt 2016-3-26 6167 Napa Wantrup Wildlife Preserve. Saint Helena 7.5' Quad. Comment
  JEPS85024  Gilia tricolor subsp. tricolor Larry Heckard and Mary Ashton 1969-5-3 2216 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 510 Comment
  SEINET7072768  Githopsis pulchella A. G. Vestal 1963-5-12 s.n. Napa Serpentine on Spring Mountain Road. UTM Zone 10, 542097mE, 4263019mN. Coordinate datum: NAD 27.) Comment
  JEPS122725  Glinus lotoides Jake Ruygt 1989-10-2 2416 Napa South Shore of Lake Hennessey along Sage Canyon Road. Quad: Yountville. Comment
  CAS-BOT-BC435004  Glinus lotoides Peter H. Raven 1951-10-28 3931 Napa At w. end of Conn Lake 152 Comment
  CAS-BOT-BC303820  Gnaphalium John Thomas Howell 1987-10-15 s.n. Napa Vineyard of Eugene and Cody Gillette Kirkham, Silverado Trail North, St Helena Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  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
  CAS-BOT-BC303339  Gnaphalium palustre Peter H. Raven 1951-10-28 3942 Napa Conn Lake 152 Comment
  CDA6057  Gnaphalium stramineum R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  JEPS4233  Gratiola ebracteata Willis L. Jepson 1893-4-27 21317 Napa sw Napa City (Napa River Basin); , sw of Napa City 15 Comment
  CAS-BOT-BC304883  Grindelia hirsutula Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC304901  Grindelia hirsutula J. T. Howell 1932-10-8 10804 Napa Napa River Comment
  UCD148103  Grindelia hirsutula Jake Ruygt 2977 Napa Yountville Ecological Reserve, Yountville Cross Rd. 28 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
  UCD63180  Grindelia hirsutula var. davyi Jake Ruygt 1981-6-10 1051 Napa west of Mt. Vaca on Vaca Range. 457 Comment
  UC608853  Guillenia flavescens Beryl O. Schreiber 1938-4-24 2500 Napa 0.25 mi nw Knoxville; Reiff Quad. 609 Comment
  JEPS106785  Guillenia lasiophylla Jake Ruygt 1981-4-20 989 Napa American Canyon, .3 miles east of Flosden Road 91 Comment
  JEPS54083  Guillenia lasiophylla W. L. Jepson 1894-5-2 13347 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS106919  Gutierrezia sarothrae Jake Ruygt 1998-8-29 4109 Napa Blue Ridge, about 1.5 mile north of Mays Flat. 701 Comment
  JEPS101339  Harmonia nutans Dean W. Taylor 1998-6-3 16452 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  JEPS40057  Harmonia nutans Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  JEPS7511  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa near Yountville Comment
  UC625518  Harmonia nutans Frank W. Gould 1938-4-3 95 Napa 1 mi nw Yountville 152 Comment
  CAS-BOT-BC306348  Helenium W. L. Jepson 1938-9-24 19023 Napa In canyon of Limekiln (or James) Creek, north of Pope Valley 304 Comment
  JEPS115763  Helenium puberulum Lowell Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  UC1949214  Helenium puberulum Barbara Ertter with Elizabeth Neese 1988-10-2 7955 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
  UCD48644  Helianthella californica S. Murphy; K. Keck and K. Dyer 2002-5-5 12 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. 500m. 327 Comment
  JEPS21037  Helianthella californica subsp. californica W. L. Jepson 1904-6-3 2450 Napa Howell Mt. Comment
  CAS-BOT-BC314722  Helianthella californica var. californica T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  UCD161319  Helianthella californica var. californica Jake Ruygt 1979-6-3 678 Napa Deer Park Road near Four Corners. (Coordinates estimated by label maker at UC Davis). 402 Comment
  LA204756  Helianthemum scoparium J. A. Ewan; 1934-9-30 8825 Napa Sarco Creek, 4 mi. above Napa Comment
  JEPS4455  Helianthus californicus W. L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Howell Mountain, Angwin's Meadows Comment
  JEPS4459  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Napaleo, Angwin's Meadows Howell Mt., Napaleo, Angwin's Meadows 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
  UCD161740  Heliotropium europaeum Jake Ruygt 1992-9-5 3143 Napa 0.15 mile south of Tubbs Lane on Myrtledale Road, Calistoga. 122 Comment
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS37515  Helminthotheca echioides W. L. Jepson 1918-6-25 7671 Napa Oakville Napa Valley Comment
  CAS-BOT-BC305851  Helminthotheca echioides Peter H. Raven 1951-9-9 3888 Napa At Solano Co. line w. of Hy. 29 15 Comment
  CAS-BOT-BC309829  Hemizonia congesta subsp. luzulifolia W. M. Heusi 1930-10-18 104 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  JEPS38290  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1930-10-19 15690 Napa Pope Valley Comment
  UC175022  Hemizonia congesta subsp. luzulifolia Katharine Brandegee Napa near Angwin Comment
  UCD169864  Hemizonia congesta subsp. luzulifolia Daniel Potter; Peter Lash 2015-4-26 799 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 456 Comment
  UCD20508  Hemizonia congesta subsp. luzulifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1081 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  OBI74533  Hemizonia congesta subsp. luzulifolia David J. Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 2.3 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  UC197529  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10096 Napa Collins San Francisco Bay Region Comment
  POM298254  Hemizonia luzulifolia subsp. rudis Joseph A. Ewan 1933-9-17 7999 Napa Vacant lot in Napa, Napa Valley Comment
  POM298277  Hemizonia parryi subsp. parryi D. D. Keck, Jens Clausen 1933-11-10 2715 Napa Calistoga, 2 miles N of center of town at the geysers. Comment
  UCD47749  Hesperocyparis macnabiana Ari Houser, J. Westbrook; S. Ratay, M. Disney, R. Wolfson, S. Wathen 2000-4-22 19 Napa Napa co, McLaughlin Reserve, approx 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1 st ridge south of Devilhead Rd. 518 Comment
  SBBG127026  Hesperocyparis macnabiana D. Keil 1986-11-8 19788 Napa Lake Berryessa Knoxville Rd, near Knoxville, 2.3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  SJSU138  Hesperocyparis sargentii Emily D. Smith 1934-8-25 Napa near head of St. Helena Creek c. 8 mi S of Middletown on road between Middletown & Calistoga 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
  UCD63751  Hesperocyparis sargentii Daniel Sanchez-Mata; Emin Ugurlu 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 580 Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  JEPS112582  Hesperolinon Jake Ruygt 1995-6-26 3508 Napa about 2 miles south of L. Hennessey on private road (Taylor) 414 Comment
  CAS-BOT-BC167404  Hesperolinon bicarpellatum J. P. Tracy 1905-7-6 2218 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 457 Comment
  CAS-BOT-BC231515  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery 427 Comment
  UC1212353  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4604 a Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1212370  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4070 Napa 3.8 mi n Cappell Valley road junction; Inner North Coast Ranges, Steel Canyon 304 Comment
  UCD141589  Hesperolinon bicarpellatum Ellen Dean 2013-4-27 7705 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCD82614  Hesperolinon bicarpellatum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  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
  UCD167349  Hesperolinon bicarpellatum Jake Ruygt 2007-5-19 5187 Napa Las Posadas State Forest, north east of Recreation Flat. 402 Comment
  CAS-BOT-BC167446  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa S. [Cappell] Capell Valley 365 Comment
  UCD160795  Hesperolinon californicum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8675 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC176017  Hesperolinon californicum Lester Rowntree 1937-6-1 s.n. Napa Saca Canyon Comment
  UCD110499  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4106 Napa Slopes of Sage Canyon, south side of Conn Dam. 76 Comment
  CAS-BOT-BC176055  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine 304 Comment
  CAS-BOT-BC176056  Hesperolinon clevelandii John H. Thomas 1955-5-21 5116 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC176058  Hesperolinon clevelandii Peter H. Raven 1950-6-20 2387 Napa Howell Mtn., on NNE side road to Pope Valley Comment
  JEPS122781  Hesperolinon clevelandii Jake Ruygt 1980-6-22 943 Napa Scott's Flat, Aetna Mined Road. QUAD: Capell Valley Comment
  JEPS122782  Hesperolinon clevelandii Jake Ruygt 1997-5-18 3856 Napa Hogback Mountain. QUAD: Sonoma. Comment
  POM180782  Hesperolinon clevelandii J. T. Howell 1930-7-13 5359 Napa On the edge of the Crater Country Comment
  POM264935  Hesperolinon clevelandii J. C. Roos 1939-5-13 266 Napa Angwin, Howell Mt. Comment
  UC1212335  Hesperolinon clevelandii J. P. Tracy 1902-5-16 1489 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 457 Comment
  CAS-BOT-BC176050  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  CAS-BOT-BC176054  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  UCD110504  Hesperolinon clevelandii P. Rodriguez-Rojo 1997-5-31 s.n. Napa Butts Canyon Rd. 285 Comment
  OBI22868  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  UC1563734  Hesperolinon disjunctum Barbara Ertter with Annetta Carter 1989-5-28 8511 Napa on Berryessa Rd 2 mi se Lake Co line (serpentine hills s of road, near Knoxville) 609 Comment
  UC1736417  Hesperolinon disjunctum Dean W. Taylor 1998-6-23 16699 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  CAS-BOT-BC167457  Hesperolinon drymarioides G. L. Stebbins 1970-7-17 7058 Napa South of Knoxville on Devilhead Road 463 Comment
  CDA30785  Hesperolinon drymarioides V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  JEPS122778  Hesperolinon drymarioides Jake Ruygt 1993-6-5 3275 Napa Devihead Road .35 mile south of farm house. QUAD: Knoxville Comment
  JEPS122795  Hesperolinon micranthum Jake Ruygt 2005-5-14 4840 Napa West side of mouth of Long Canyon. QUAD: Knoxville. Comment
  RSA435707  Hesperolinon micranthum Robert Gustafson, Don Reynolds 1983-6-7 2738 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC1601272  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 b Napa 2.1 mi beyond intersection of Conn Reservoir road to Rutherford with Chiles Valley-Pope Valley road Inner North Coast Ranges, Chiles Valley 198 Comment
  UCR71475  Hesperolinon micranthum H. K. Sharsmith 1965-5-18 5517 Napa Inner North Coast Ranges, 2.2 mi. north of Wooden Valley Road junction with Napa-Lake Berryessa Hwy 37 213 Comment
  JEPS122789  Hesperolinon sharsmithiae Jake Ruygt 2009-6-13 5437 Napa Skyline Park along Chaparral Trail. QUAD: Mount George. Comment
Read comments
May 15 2020
  RSA435710  Hesperolinon spergulinum Robert Gustafson, Don Reynolds 1983-6-7 2740 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC1212405  Hesperolinon spergulinum J. P. Tracy 1899-7-5 383 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  UC168967  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2226 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  SEINET10460655  Heterocodon rariflorum Tracy TRACY 2226 Napa HOWELL MTN. Comment
  UC1536920  Heteromeles arbutifolia Gordon H. True Jr. 1937-6-20 729 Napa e of Napa (Mt. George); Mt. George 304 Comment
  JEPS20392  Heterotheca grandiflora W. L. Jepson 1937-9-29 18574 Napa at sandstone cliffs at bridge over Napa River (on road to St. Helena Sanitarium) Comment
  UC1999862  Heterotheca oregona var. oregona J. C. Semple, S. Heard 1986-8-20 8566 Napa Just N of Calistoga on CA-29m, 15.3 km SW of Lake county line. Comment
  RSA785239  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake County line. Garnett Creek. Comment
  CAS-BOT-BC424162  Heuchera micrantha var. erubescens Betty H. Johnson 1958-6-20 674 Napa along old toll road about 1/2 mi. above Mt. Mill House, 6.4 mi. SW of Middleton Comment
  UCD133137  Hieracium albiflorum K. Esau; E. Hyde 1938-5-25 s.n. Napa exact location unknown. Comment
  JEPS101835  Hoita macrostachya Dean W. Taylor 1999-7-20 17290 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  UC1197461  Hoita macrostachya Joseph P. Tracy 1899-7-6 391 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek, along water courses); Northern Coast Ranges, Howell Mountain 457 Comment
  UC764637  Hoita macrostachya R. F. Hoover 1941-8-24 5573 Napa Mt. St. Helena; e side Comment
  UCD105871  Hoita macrostachya K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  JEPS65628  Hoita macrostachya Willis L. Jepson 1901-8-6 1734 Napa Howell Mt. Napa River Basin Comment
  UC16298  Hoita macrostachya W. H. Brewer 1322 Napa Rag Canyon Comment
  JEPS65642  Hoita orbicularis Willis L. Jepson 1893-6-26 13589 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  UCD132322  Holocarpha virgata Beecher Crampton 1956-9-28 3882 Napa Southern Capell Valley. Comment
  RSA8543  Holocarpha virgata subsp. virgata J. T. Howell 1933-8-27 11644 Napa E of Chiles Valley on road to Winters, Napa Range. Comment
  CAS-BOT-BC149994  Holodiscus discolor var. discolor G. Douglas Barbe 1957-7-4 368 Napa NW of Christian Bros. Mt. LaSalle School, abt. 0.6 mi. SE of road (6.6 miles west of State Hwy 29 on Redwood Road) Comment
  CAS-BOT-BC149996  Holodiscus discolor var. discolor Peter H. Raven 1951-8-19 3850 Napa Near Lokoya 487 Comment
  CAS-BOT-BC149995  Holodiscus discolor var. discolor Peter H. Raven 1950-6-20 2344 Napa Between Conn Valley & Howell Mtn., Napa Range Comment
  CAS-BOT-BC315793  Holozonia filipes Joseph P. Tracy 1938-6-6 15838 Napa Napa Valley, between Napa City and Yountville 30 Comment
  UC143000  Holozonia filipes Mrs. K. Brandegee 1910-7-26 186 Napa near Angwin's Comment
  UC89201  Holozonia filipes Brandegee 1888-8-1 Napa Howell Mountain Comment
  UCD36377  Hordeum brachyantherum Beecher Crampton 1953-6-2 1436 Napa 8 miles south of Middletown, small meadow along Highway 53. Comment
  CAS-BOT-BC284999  Hordeum depressum Peter H. Raven 1957-5-5 10752 Napa Calistoga 91 Comment
  UCD85898  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-1 s.n. Napa Between Montecello and Knoxville Comment
  UCD106054  Hosackia crassifolia Beecher Crampton 1965-6-30 7423 Napa Solano-Napa Counties, Vaca mountains, Mt. Vaca. 859 Comment
  CAS-BOT-BC400800  Hypericum anagalloides Rimo Bacigalupi 1928-6-20 1876 Napa Howell Mt 10 mi west of St Helena Comment
  RSA97626  Hypericum androsaemum P. H. Raven 1950-6-27 2436 S Napa N. side of Lake Van Norden. Comment
  CAS-BOT-BC410812  Hypericum concinnum Alice Eastwood 1923-5-9 11741 Napa Hills above Calistoga 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
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  UCD133324  Hypochaeris glabra Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  UCD18095  Hypochaeris glabra Ellen Dean; with PLB 102 class 2000-4-29 751 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
  UCD133462  Hypochaeris radicata Heidi E. M. Dobson 1978-6-14 345 Napa east slope of Mt. Veeder. Comment
  JEPS126072  Idahoa scapigera Jake Ruygt 1995-4-9 3420 Napa Little Bear Valley, east of Palisades. Detert Reservoir 7.5' Quad. Comment
  UCD138729  Iris fernaldii Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 Comment
  UCD138722  Iris fernaldii Bradford Bearce 1965-4-4 21 Napa 29 miles west of Winters on road to Napa. Comment
  UCD138788  Iris macrosiphon H. Popenoe 1949-5-1 16 Napa Napa Valley: one mile from Pacific Union College on Pope Valley Road. Comment
  UCD18030  Iris macrosiphon Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 576 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD48720  Iris macrosiphon M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 10 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 50 ft. N of lat./long position. 289 Comment
  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
  SEINET5722883 Image available Iris macrosiphon J. A. Sheldahl 1968-1 43 Napa Pope Valley; Pope Valley Comment
  UC4272  Iris macrosiphon Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  JEPS106648  Jaumea carnosa Jake Ruygt 1991-7-27 2805 Napa Napa River, 100 yds north of Southern Crossing 0 Comment
  POM212010  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  RSA7626  Juglans hindsii Carl B. Wolf 1933-9-28 5514 Napa Spully Ranch at head of Gordan Valley, below Lake Curry Dam 152 Comment
  UCD73514  Juncus bufonius Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS122652  Juncus covillei Jake Ruygt 1989-6-17 2370 Napa Van Ness Canyon near Bear Valley. Quad: Detert Resevoir. Comment
  JEPS126055  Juncus ensifolius Jake Ruygt 2007-6-2 5218 a Napa Wild Lake, north of Friesen Lakes. Saint Helena 7.5' Quad. Comment
  UCD147527  Juncus hemiendytus var. hemiendytus Ellen Dean; Diana Hickson 2014-4-29 8082 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD164767  Juncus kelloggii Jake Ruygt 2014-5-10 5938 -b Napa Atlas Peak Road, Studor property, south of Foss Valley, north of Millilen Reservoir. 448 Comment
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga Comment
  JEPS122659  Juncus oxymeris Jake Ruygt 1996-5-31 3726 Napa South of James Creek road and Butts Canyon Road, Pope Valley. Quad: Aetna Springs. Comment
  CAS-BOT-BC235866  Keckiella corymbosa Peter H. Raven 1953-5-2 5400 Napa Summit of hill due e. of Yountville 304 Comment
  UCR24498  Keckiella corymbosa John C. Roos 1939-7-16 274 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  CAS-BOT-BC237849  Keckiella lemmonii John Thomas Howell 1929-8-4 4356 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  UC1552004  Kickxia elatine Aaron Liston and Sara Meury 1987-6-6 676 -1 Napa Bothe-Napa Valley State Park 150 Comment
  UCD123886  Kickxia elatine Herbert L. Mason 1942-9-29 12557 Napa 2 miles north of Calistoga, Napa River. Comment
  UCD36305  Koeleria macrantha Beecher Crampton 1953-5-19 1307 Napa 10 miles west of Monticello, along Highway 128. Comment
  CDA11427  Lagophylla minor G. F. Hrusa, M. Tu 1995-5-6 12150 Napa North Coast Biodiversity Arena; approx. 1.5 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  UCD35856  Lagophylla minor Beecher Crampton 1965-5-13 7331 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  UCD69080  Lagophylla minor P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lake Berryessa. Lower Chiles Valley Rd. UTM: 10SEN6261 155 Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  JEPS41064  Lagophylla minor Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9114 Napa about 7 mi se Knoxville (at the s end of Cedar Valley); Cedar Valley 594 Comment
  CAS-BOT-BC341553  Lagophylla ramosissima Peter H. Raven 1951-6-26 3061 Napa Wooden Valley Grade 304 Comment
  UCD132430  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
  UCD18035  Lamium amplexicaule Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 586 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  UCLA55484  Lamium amplexicaule Ira L. Wiggins 1932-3-12 5749 Napa 1 mi n Calistoga Comment
  CAS-BOT-BC337893  Lasthenia John H. Thomas 1955-5-21 5130 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC338267  Lasthenia californica John Thomas Howell 1926-3-27 1761 Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC338272  Lasthenia californica Peter H. Raven 1950-4-15 1730 Napa Monticello Road, Napa Valley, near Napa 182 Comment
  RSA113971  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Hot spring, Calistoga. Comment
  JEPS10375  Lasthenia californica subsp. californica W. L. Jepson 1915-4-23 6246 Napa Conn Valley Napa Range Comment
  UCD48593  Lasthenia californica subsp. californica Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  JEPS10172  Lasthenia californica subsp. californica Willis L. Jepson 1893-4-24 Napa e St. Helena Comment
  JEPS106672  Lasthenia conjugens Jake Ruygt 1983-5-1 1451 Napa Suscol Hill east of HWY 29 (221) 27 Comment
  RSA202278  Lasthenia conjugens Robert Ornduff 1960-4-26 R. O. 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon Road. Comment
  JEPS106671  Lasthenia glaberrima Jake Ruygt 1996-5-13 3663 Napa .9 mile south of Pope Canyon Road on Hardin Road. 183 Comment
  JEPS10167  Lasthenia gracilis W. L. Jepson 1893-4-28 Napa e Napa; Wooden Valley grade Comment
  CDA4151  Lathyrus aphaca Mrs. H. C. Ackley Jun 1963 Napa Tubbs Lane near Calistoga. 0 Comment
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. Comment
  UCD75718  Lathyrus torreyi Jake Ruygt 2007-4-15 5153 Napa Las Posadas State Forest, upper Wildcat Canyon at hunting camp. 451 Comment
  UCD106498  Lathyrus vestitus D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UC1051670  Lathyrus vestitus var. vestitus Peter Kamb 1950-4-22 1755 Napa w side Wooden Valley (on Calif. Hwy 37) 304 Comment
  UC650499  Lathyrus vestitus var. vestitus Ira L. Wiggins 1928-3-25 2884 Napa 1.5 mi ne Calistoga Comment
  UCD48893  Lathyrus vestitus var. vestitus C. Matthews; K. Glover, C. Little, and T. Petrie 2001-4-14 10 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, approx. 260' W of jct with West Rd., S side of trail, approx. 10' from trail. 152 Comment
  CDA27143  Lathyrus vestitus var. vestitus T. C. Fuller 1958-5-1 3713 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  JEPS64868  Lathyrus vestitus var. vestitus W. L. Jepson 1938-5-25 18858 Napa outside Bell Canyon; Howell Mt. 579 Comment
  UCD133938  Layia chrysanthemoides Craig Brauer 1974-4-15 7090 Napa the collection was made near Wallace Ranch. 188 Comment
  UC169317  Layia chrysanthemoides Joseph P. Tracy 1902-5-26 1635 Napa near Calistoga; Northern Coast Ranges, Napa Valley 243 Comment
  JEPS106633  Layia septentrionalis Jake Ruygt 1986-4-20 1719 Napa Palisades north of Oat Hill Mine Rd. 755 Comment
  CAS-BOT-BC274335  Leersia oryzoides Peter H. Raven 1952-9-14 5175 Napa Conn Creek e. of Yountville 91 Comment
  CAS-BOT-BC534371  Lemna minor Peter H. Raven 1951-6-24 3029 Napa Carneros Creek at Highway 27, near Sonoma County line 243 Comment
  CAS-BOT-BC534948  Lemna minuta Evelina Cannon 1901-7-15 s.n. Napa Johannisberg Comment
  JEPS110793  Lepechinia calycina Jake Ruygt 1989-6-3 2362 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD124950  Lepechinia calycina M. Ensign 1943-5-28 317 Napa 13 miles from Monticello on road to Lower Lake. Comment
  UCD159945  Lepechinia calycina Alice Warrick 2008-4-22 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section, near top. 243 Comment
  UCD19935  Lepechinia calycina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 793 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD70473  Lepechinia calycina P. J. Plummer 1995-5-29 s.n. Napa W of city of Winters, roadside off hwy 128. 335 Comment
  UCD73427  Lepechinia calycina Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC89172  Lepidium draba Peter H. Raven 1952-5-29 4091 Napa Napa River 1 mile north of Napa. 60 Comment
  JEPS115756  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 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
  JEPS53708  Lepidium nitidum John Thomas Howell 1926-3-20 1687 Napa Calistoga Comment
  JEPS53740  Lepidium strictum Willis L. Jepson 1893-5-1 13361 Napa Calistoga Napa River Basin Comment
  UCD118587  Leptosiphon androsaceus G. F. Hrusa; R. Cole, D. Anderson 1995-3-26 12025 Napa University of California Quail Ridge Reserve, open grasslands at entrance gate. 290 Comment
  UCD118593  Leptosiphon androsaceus G. L. Stebbins 1983-5-8 C 3115 Napa Chiles Valley area. Comment
  POM182717  Leptosiphon androsaceus D. D. Keck 1931-4-3 1070 Napa Pope creek canyon, near Walter Springs Comment
  RSA155422  Leptosiphon androsaceus L. S. Rose 1961-3-30 61025 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  UCD49212  Leptosiphon bicolor Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 167 Comment
  UCD91277  Leptosiphon ciliatus Paul A. Aigner 2008-4-4 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 Comment
  UCD103881  Leptosiphon jepsonii Joel Smith 2011-6-16 s.n. Napa Wantrup Road Wildlife Sanctuary, on primary road, 1.3 km W of Hardin Rd. and 60 m N of a vernal pool. 256 Comment
  CAS-BOT-BC488334  Leptosiphon parviflorus 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
  HSC43976  Leptosiphon parviflorus Robert M. Specht 1977-5-14 890 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  UCD48066  Leptosiphon parviflorus A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 10 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on lower reaches of research hill. 655 Comment
  UCD167237  Leptosiphon pygmaeus subsp. continentalis Jake Ruygt 1998-4-27 3939 Napa NE corner of the county, on Blue Ridge. 865 Comment
  JEPS106630  Lessingia hololeuca Jake Ruygt 1992-9-5 3142 Napa Tubbs Lane at Myrtledale Rd., Calistoga 122 Comment
  UC1069829  Lessingia ramulosa B. Schreiber 1936-9-20 2351 Napa 5 mi s Reiff; Reiff Quad. Comment
  UC1282679  Lessingia ramulosa J. R. Sweeney 1952-6-15 955 Napa 0.4 mi se of Black Oak Villa in Butts Canyon (1.1 mi from Lake-Napa County line on Pope Valley Road); , Black Oak Villa 243 Comment
  UCD37721  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCD63158  Lessingia ramulosa Jake Ruygt 1990-9-19 2604 Napa North end of Wooden Valley. 231 Comment
  UCD48078  Lewisia rediviva D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 8 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. top of hill, south of path. 548 Comment
  JEPS104543  Ligusticum apiifolium Jake Ruygt 1987-7-5 2061 Napa Bothe State Park, Ritchie Creek 128 Comment
  HSC15781  Limnanthes douglasii Greg Bos 1963-3-30 58 Napa 3 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  UC917116  Limnanthes douglasii D. C. Finfrock 1950-4-4 10 Napa along roadside of State Hwy 29 Yountville (n edge of Yountville) Comment
  JEPS112542  Limnanthes douglasii subsp. douglasii Jake Ruygt 1995-4-19 3438 Napa 1.35 miles north of Coombsville Road on First Avenue 39 Comment
  UC971839  Limnanthes douglasii subsp. nivea Stanley G. Smith 1948-4-25 498 Napa on Hwy 29 n Yountville Comment
  JEPS112562  Limnanthes floccosa subsp. floccosa Jake Ruygt 1993-4-3 3180 Napa Little Bear Valley 676 Comment
  JEPS110670  Limosella acaulis Jake Ruygt 1990-6-23 2599 Napa Johnson's Meadow Creek, Wild Horse Valley Ranch 435 Comment
  UC1277987  Linanthus acicularis B. Crampton 1957-6-4 4093 Napa n end Capell Valley (above Capell Creek); , Capell Creek Comment
  UC23346  Linanthus acicularis Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  JEPS58155  Linanthus androsaceus E. V. Ferguson 1920-5-15 352 Napa Howell Mt. Comment
  UC133860  Linanthus androsaceus Brannan 1870-1 Napa Comment
  UC23363  Linanthus androsaceus Willis L. Jepson 1893-4-28 Napa trail to Caux's Cabin Napa River Basin Comment
  JEPS110966  Linanthus bicolor Jake Ruygt 1996-4-13 3611 Napa Snell Valley Road at Stagecoach Canyon Road 179 Comment
  JEPS111000  Linanthus bicolor Jake Ruygt 1976-4-23 16 Napa 1.9 miles NE of Silverado Trail on Deer Park Rd. 188 Comment
  UCD15044  Linanthus bicolor Jonathan M. Irvine 1977-4-16 104 Napa California, Napa Co.; along Highway 128, 6.4 miles SSW of Monticello Dam; Comment
  SEINET5732163 Image available Linanthus bicolor Jill Bockus 1974-1 5 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon Road and Chiles Valley Road intersection. Comment
  CDA11591  Linanthus dichotomus G. F. Hrusa, S. Larson 1995-4-1 12057 Napa North Coast Biodiversity Arena; approx. 1/4 m. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  UC54903  Linanthus dichotomus E. M. Smith 1903-4-27 Napa Dry Creek Napa River Basin Comment
  UC907816  Linanthus dichotomus Herbert L. Mason 1933-4-30 7230 Napa near Aetna Springs Comment
  SEINET7075539  Linanthus grandiflorus A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
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Jul 19 2018
  JEPS58233  Linanthus jepsonii W. L. Jepson 1924-4-6 10315 Napa Conn Valley Napa Range 91 Comment
  UC23780  Linanthus jepsonii Willis L. Jepson 1893-5-2 Napa Calistoga Napa River Basin Comment
  CAS-BOT-BC123058  Linanthus jepsonii Carol Goodwillie 1995-5-11 1 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km W of Hardin Road, 60 meters N of vernal pool 256 Comment
  JEPS58101  Linanthus jepsonii Willis L. Jepson 1893-5-2 20936 Napa near Calistoga; Napa River Basin Comment
  UC23784  Linanthus parviflorus Willis L. Jepson 1893-1 Napa Knights Valley road from Calistoga; 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
  UCR47051  Linum bienne J. Nevin 1987-5-22 22 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  CHSC4451  Lithocarpus densiflorus J. Potter 1967-6-26 312 Napa On Forest Service road to top of Mt. St. Helena, 1/4 mi. up from its beginning on State Hwy 29. 914 Comment
  JEPS37735  Lithocarpus densiflorus W. L. Jepson 1894-10-14 Napa Rebecca Ranch grade; Upper Napa Valley Comment
  JEPS47510  Lithophragma affine W. L. Jepson 1910-3-28 4029 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  UCD102709  Lithophragma affine M. Wiesendanger 1928-4-5 861 Napa Monticello-Napa Road. Comment
  UC11891  Lithophragma bolanderi W. L. Jepson 1893-4-24 Napa hills e St. Helena Comment
  UCD73395  Lithophragma heterophyllum 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
  JEPS85028  Lithophragma parviflorum Larry Heckard and Mary Ashton 1969-5-3 2211 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 Comment
  JEPS106791  Lobularia maritima Jake Ruygt 1996-11-23 3802 Napa Third Street, Napa; in oxbow along Napa River. 4 Comment
  JEPS20920  Logfia filaginoides Willis L. Jepson 1896-6-1 Napa Helena Napa River Basin, Helena Comment
  CAS-BOT-BC342437  Logfia gallica James McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  UCD36954  Lolium Beecher Crampton 1956-5-25 3490 Napa Sarco Creek Canyon. Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 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
  UCD66635  Lolium temulentum A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3544 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UC1563883  Lomatium californicum Barbara Ertter with Annetta Carter 1989-5-28 8498 Napa 9.0 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa); n of Lake Berryessa 243 Comment
  POM133002  Lomatium californicum C. F. Baker 1909-4-20 2602 Napa Mt. St Helena. Comment
  POM133390  Lomatium californicum C. F. Baker 1903-4-20 2602 Napa Mt. St. Helena. Comment
  UCD118738  Lomatium caruifolium Katherine Graham; 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 and in nearby meadow. 405 Comment
  SEINET10852049 Image available Lomatium ciliolatum var. hooveri Mildred E. Mathias 1937-5-23 Mathias 1298 Napa Rocky hillside. 1.9 mile southeast of Napa-Lake County line on road to Knoxville, Napa County, California. Comment
  CDA11900  Lomatium dasycarpum G. F. Hrusa, G. L. Stebbins 1994-4-8 11720 Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UCD47851  Lomatium dasycarpum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 11 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD15988  Lomatium dasycarpum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 5 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11'' N; 122 deg. 21' 13'' W; 530 m. Comment
  UCD170348  Lomatium hooveri Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 847 Napa Knoxville Wildlife Area, south of Nevada Creek. 477 Comment
  UCD18027  Lomatium hooveri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 573 b 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
  UCD63185  Lomatium macrocarpum Jake Ruygt 2003-3-21 4473 Napa At head of the Foley Creek canyon; at county line. 609 Comment
  SD58377  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills, Napa Range Comment
  UCD150865  Lomatium marginatum var. marginatum G. Ledyard Stebbins Jr. 1964-5-24 6159 Napa on road to Lake Hennessy and Lake Berryessa, 7 miles south of Pope Valley. 274 Comment
  UC647527  Lomatium marginatum var. purpureum Joseph P. Tracy 1938-6-5 15832 Napa 5 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 396 Comment
  JEPS17157  Lomatium marginatum var. purpureum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills 274 Comment
  UCD161312  Lomatium nudicaule Jake Ruygt 1979-4-19 525 Napa Napa County : Suscol Hill west of Highway 29 (221). (Coordinates estimated by label maker at UC Davis). 30 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
  UC735134  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  CDA41074  Lomatium utriculatum G. F. Hrusa, J. Messina 1989-3-3 5873 Napa North Coast Biodiversity Arena; along Hwy 128 W of Monticello Dam (Lake Berryessa). Comment
  UC173178  Lomatium utriculatum Katharine Brandegee 1909-6-1 Napa summit Pope Valley Grade Comment
  UCD48441  Lomatium utriculatum Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Bay trail, near end of lake inlet. 146 Comment
  JEPS84632  Lomatium utriculatum John W. Willoughby 1977-4-20 2158 Napa w. side of range in shallow draw just below ridge Vaca Mts. 731 Comment
  UC796660  Lomatium utriculatum Ira L. Wiggins 1949-4-30 12081 Napa 2 1/2 mi. above Calistoga (along old toll rd. to Middletown) Comment
  JEPS104516  Lomatium vaginatum Jake Ruygt 1993-4-3 3186 Napa Oat Hill Mine Rd. below the Palisades. 658 Comment
  JEPS107212  Lotus humistratus Jake Ruygt 1977-4-17 192 Napa .4 mile west of HWY 29 on Oat Hill Mine Road 195 Comment
  JEPS107211  Lotus micranthus Jake Ruygt 1990-4-21 2488 Napa Giles Mead Ranch, Atlas Peak Rd. 475 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
  SEINET8721491 Image available Lotus micranthus Laura Zeller 1965-1 23 Napa On Silverado Trail ca. 1 mi. S of Zinfandel Ave. 55 Comment
  UCR200669  Lotus purshianus Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners - Spanish Flat, Capell Valley, Capell Valley Road close to Capell Creek 200 Comment
  JEPS107206  Lotus purshianus var. purshianus Jake Ruygt 1992-5-15 2960 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  HSC71007  Lotus scoparius J. M. DiTomaso 1980-6-12 1580 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  UCD167263  Ludwigia palustris Jake Ruygt 1991-6-29 2749 Napa Fawn Lake, Friesen's Lakes, Angwin. 585 Comment
  UCD65952  Ludwigia peploides subsp. montevidensis B. J. Grewell 2006-9-19 06- 71 -LU Napa Lake Hennessey where reservoir overflow backs up into confluence with Sage Creek south of Hwy 128. 97 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
  JEPS107237  Lupinus albifrons Jake Ruygt 1976-5-2 46 Napa 4.5 miles NE of Atlas Peak Rd. on Monticello Rd. 335 Comment
  UC725890  Lupinus albifrons A. A. Heller 1940-5-6 15587 Napa just below the summit crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena just below summit Comment
  UCD144412  Lupinus albifrons G. F. Hrusa 1995-4-2 12048 Napa 1 mile northeast of corner of Chiles-Pope Valley Road and Highway 128 heading up Salt Canyon, upper end of Hennessey Res., on Highway 128. 200 Comment
  HSC58983  Lupinus bicolor G. E. Johnston 1974-4-4 1019 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS107234  Lupinus bicolor Jake Ruygt 1995-5-1 3460 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  JEPS64975  Lupinus bicolor W. L. Jepson 1915-4-23 6265 Napa Chiles Creek hills Conn Valley, Chiles Creek hills Comment
  JEPS85042  Lupinus bicolor Larry Heckard, Mary Ashton 1969-5-3 2192 Napa off the Atlas Peak Rd. ca 7 mi ne Napa (Mead Ranch); ne of Napa 457 Comment
  UCD18166  Lupinus bicolor Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD47996  Lupinus bicolor B. Takahashi; S. Burgess, A. Hufton, J. Pierner, A. Ryan 2000-4-29 4 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
  UCD48964  Lupinus bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 1 Napa Quail Ridge UC Reserve, northern top of ridge, alongside lower road leading to power lines, just N of intersection with East and West roads. 335 Comment
  JEPS48859  Lupinus bicolor Elsa Kraeger 1926-3-27 Napa near Soscol; near Soscol Comment
  OBI2849  Lupinus bicolor R. L. Hoover 1968-4-20 44 Napa On Howell Mt Rd, 2.6 mi NE of State Rte 29/128, on W side of rd just below curve Comment
  UCD161754  Lupinus bicolor Jake Ruygt 1996-4-27 3637 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 219 Comment
  UCD73495  Lupinus formosus Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS107228  Lupinus formosus var. formosus Jake Ruygt 1997-4-18 3831 Napa Greenfield Road (Dean property). 237 Comment
  RSA79064  Lupinus formosus var. formosus E. K. Balls, Lee W. Lenz 1952-5-8 17105 Napa 2.8 miles west from Calistoga, road to Santa Rosa via Petrified Forest. 91 Comment
  UCD167062  Lupinus formosus var. formosus Jake Ruygt 2000-7-31 4279 Napa Napa, Trancas Street at Villa Lane. 14 Comment
  JEPS65234  Lupinus formosus var. robustus W. L. Jepson 1894-5-7 48 t Napa Howell Mt.; Howell Mt. (lower slopes at Crystal Sprs.) Comment
  UCD70472  Lupinus microcarpus P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, off hwy 128. Rocky hillside. Herbs; flowers yellow. 73 Comment
  JEPS118637  Lupinus microcarpus subsp. microcarpus B. Castro and L. P. Janeway 2002-5-12 1371 Napa Inner North Coast Ranges. Ca 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. Knoxville 7.5' quad. Comment
  JEPS107219  Lupinus microcarpus var. densiflorus Jake Ruygt 1986-4-20 1715 Napa HWY 29 north of Oakville 42 Comment
  JEPS65097  Lupinus microcarpus var. densiflorus W. L. Jepson 1920-5-25 9049 Napa Zem-Zem Comment
  UC1601852  Lupinus microcarpus var. densiflorus Willis L. Jepson 1894-5-1 Napa Conn Valley; Napa River Basin, Conn Valley Comment
  JEPS108045  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 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
  UC156988  Lupinus nanus Joseph P. Tracy 1903-5-15 1847 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD149704  Lupinus nanus Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Northeast of St.Helena, along Sanitarium Road, east of intersection with Glass Mountain Road, vineyard conversion. Partridge Vineyard property. 95 Comment
  CAS-BOT-BC202222  Lupinus sericatus Charles Piper Smith 1931-5-2 4501 Napa Toll House Inn Comment
  POM125418  Lupinus sericatus Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  UC764752  Lupinus sericatus R. F. Hoover 1941-4-26 4941 Napa near summit on highway e side Mt. St. Helena; e side of Mt. St. Helena Comment
  UCD161642  Lupinus sericatus Jake Ruygt 2005-5-11 4836 Napa Oat Hill Mine Road, upper Swartz Canyon. (Coordinates converted from UTM data by label maker.) 701 Comment
  UCD149636  Lupinus succulentus 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
  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
  UCD109604  Lupinus succulentus Freed W. Hoffman 1947-4-7 662 Napa North Coast Ranges, confluence of Bucksnort and Putah creeks, Hennessy Ranch. Comment
  JEPS45952  Lythrum hyssopifolia W. L. Jepson 1894-11-7 14092 Napa Napa Comment
  JEPS45959  Lythrum hyssopifolia Willis L. Jepson 1893-9-24 14085 Napa Napa River Basin, Howell Mt., Angwin's Meadows Angwin's Meadows; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  UCD167281  Lythrum hyssopifolia Jake Ruygt 1989-6-25 2385 Napa Napa River north of Trancas Street, Napa. 1 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
  UC175969  Madia citriodora J. P. Tracy 1902-5-21 1600 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, head of Moore's Creek 457 Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  CAS-BOT-BC343835  Madia elegans John Thomas Howell 1929-10-26 4534 Napa 1 mile nw. of Calistoga Comment
  CAS-BOT-BC343836  Madia elegans Walter Knight; Irja Knight 1963-10-20 362 Napa Beringer Ranch, Spring Mt. Rd. Town of St. Helena Comment
  JEPS40381  Madia elegans W. L. Jepson 1937-9-29 18570 Napa on road to sanitarium; St. Helena Comment
  UC1544800  Madia elegans Almut G. Jones 1986-8-23 7253 Napa near Calistoga Comment
  UC523529  Madia elegans David D. Keck 1933-11-10 2714 Napa weed field by High School; Calistoga Comment
  JEPS129025  Madia elegans subsp. densifolia Jake Ruygt 2016-7-23 6292 Napa Smittle Creek, west side of Lake Berryessa. Chiles VAlley 7.5' Quad. Comment
  CAS-BOT-BC344447  Madia exigua David D. Keck 1933-5-29 2357 Napa Pope Creek bridge south of Walters Springs Comment
  HSC81602  Madia exigua Thomas W. Nelson, Jane P. Nelson 1980-5-3 5146 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  RSA654108  Madia exigua Beecher Crampton 1956-5-25 3453 Napa Vaca Mountains, Martley Canyon, along new road from Monticello Dam to Napa Comment
  JEPS106551  Madia gracilis Jake Ruygt 1983-6-1 1485 Napa HWY 12 at Sonoma Co.line 94 Comment
  UCD19340  Madia gracilis M. A. Bibbo; E. Dean 2001-7-6 33 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. In dry creek drainage just W of rd. 228 Comment
  UCD20728  Madia gracilis Ellen Dean; w/ Mark Bibbo 2002-6-17 1106 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  UCD48577  Madia gracilis Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Rd. ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 237 Comment
  POM125421  Madia nutans Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  POM298296  Madia nutans D. D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  RSA170280A  Madia nutans Joseph P. Tracy 1950-5-23 18663 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  CAS-BOT-BC345045  Madia sativa Peter H. Raven 1952-5-26 4042 Napa St. Helena to Howell Mt. 304 Comment
  JEPS106679  Madia sativa Jake Ruygt 1987-6-6 2035 Napa end of Redwood Rd.private residence of Mr.Kublor 396 Comment
  CAS-BOT-BC345046  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  CAS-BOT-BC345048  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  CAS-BOT-BC345057  Madia sativa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS40385  Madia sativa W. L. Jepson 1936-6-1 17598 Napa Howell Mt. Napa Range Comment
  UCD161758  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Highway 29 near Paoli Loop Road, American Canyon. 19 Comment
  UCD18099  Malacothrix floccifera Ellen Dean; with PLB 102 class 2000-4-29 755 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD70465  Malacothrix floccifera B. Wengeler 1995-4-30 s.n. Napa West of city of Winters, 2 m N of hwy 128 along Knoxville Rd. Open hillside of rocky, serpentine soil. Annual, 12 in tall. Flowers cream. 183 Comment
  UCD69017  Malacothrix floccifera P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. On serpentine rocks. UTM: 10SEN6659 155 Comment
  JEPS122762  Malva sylvestris Jake Ruygt 2010-3-4 5476 Napa Highway 29 near Napa Junction Road. Quad: Cuttings Wharf. Comment
  JEPS42510  Marah fabacea Willis L. Jepson 1896-2-23 14125 Napa lower slopes Howell Mt. (near Rural Health Reteat); Napa River Basin Comment
  UCD48877  Marah watsonii Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along S. Decker Canyon Rd. just S of jct with Cut-Off Rd. 228 Comment
  POM262794  Medicago arabica J. C. Roos 1939-5-2 292 Napa Angwin Comment
  UCD35297  Medicago praecox Beecher Crampton 1955-4-7 2424 Napa Napa County; 7.8 miles north of Monticello. Comment
  HSC43991  Melica californica Robert M. Specht 1977-4-19 686 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS69300  Melica californica W. L. Jepson 1915-4-23 6248 Napa Conn Valley Comment
  UC767182  Melica californica R. F. Hoover 1941-5-10 499 Napa between St. Helena and Calistoga Comment
  CAS-BOT-BC282169  Melica geyeri A. A. Heller 1924-4-12 13846 Napa About 5 miles S of Calistoga Comment
  HSC93592  Melica geyeri G. Fred Hrusa, M. Tu 1995-5-6 12159 Napa Along Moores Creek in La Posadas State Forest, along slope above creek. 152 Comment
  SEINET239009 Image available Melica geyeri Beecher Crampton 1967-5-15 7936 Napa Sonoma County Napa County line 4 miles northwest of Calistoga on Hwy 128 Comment
  UCD121128  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 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
  RSA0078573  Melica geyeri L. R. Abrams 1928-5-3 12254 Napa Summit St. Helena Grade. Comment
  JEPS122948  Melica harfordii Jake Ruygt 1988-5-1 2169 Napa Cleary Reserve. Quad: Aetna Springs. Comment
  UCD73403  Melica imperfecta Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC264221  Melica torreyana David D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa 170 Comment
  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
  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
  UCD73402  Melica torreyana 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
  UCD73499  Melissa officinalis Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS112578  Mentha arvensis Jake Ruygt 1992-7-10 3079 Napa Yountville Ecological Reserve, Yountville Crossroad 25 Comment
  RSA92938  Mentha canadensis Peter H. Raven 1952-9-14 5178 Napa Conn Cree E of Yountville Comment
  RSA769180  Mentha pulegium L. Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  SEINET7072775  Micropus amphibolus A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road on the North Slope. UTM Zone 10, 548879mE, 4271447mN. Coordinate datum: NAD 27.) Comment
  UCD17973  Micropus amphibolus Ellen Dean; Kate Mawdsley 2001-4-9 692 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  SFV4057  Micropus californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek, about 0.5 miles west of Devilhead Road and about 3 miles south southwest of Knoxville. Comment
  UCD81819  Micropus californicus Ellen Dean 2009-4-24 5446 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS85049  Micropus californicus var. californicus Larry Heckard and Mary Ashton 1969-5-3 2218 Napa off the Atlas Peak Rd ca 7 mi ne Napa; Mead Ranch 510 Comment
  SEINET205166  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek ca .5 mi W of Devilhead Rd ca 3 mi SSW of Knoxville Comment
  UCD134509  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Zim Zim Creek, around 1/2 mile west of Devilhead Road, and around 3 miles south - southwest of Knoxville. Comment
  CAS-BOT-BC348972  Microseris douglasii subsp. douglasii Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5337 Napa Pope Creek e. of Samuels Springs 91 Comment
  CAS-BOT-BC348967  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC349102  Microseris douglasii subsp. tenella John Thomas Howell 1931-4-19 6449 A Napa Conn Valley Comment
  JEPS86873  Mimulus angustatus David M. Thompson 1988-4-3 865 Napa +/- 2 air mi se Angwin (1.1 road mi e of Howell Mt. Road via Cold Springs and Las Posadas roads, then over fence and along road to large area of boulders in meadow); Los Posadas State Forest 490 Comment
  JEPS110614  Mimulus arvensis Jake Ruygt 2000-5-6 4235 Napa Lawley Toll Rd near old log barn. 384 Comment
  JEPS11535  Mimulus arvensis W. L. Jepson 1915-4-23 6238 a Napa hills e St. Helena 182 Comment
  UCD14921  Mimulus aurantiacus Wesley Ebert 1977-4-16 34 Napa 6 miles south west of Monticello Dam, along the east side of Highway 128 above East Bull Canyon. 213 Comment
  UCD160390  Mimulus aurantiacus Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  UC886118  Mimulus bolanderi M. Focht and R. Scott 1940-5-4 9667 Napa near mouth Pope Creek Comment
  UC1239053  Mimulus cardinalis Freed W. Hoffman 1946-8-20 848 Napa Conn Dam North Coast Ranges Comment
  JEPS110608  Mimulus congdonii Jake Ruygt 1982-3-20 1135 Napa Mt. St. John 548 Comment
  UCD160767  Mimulus latidens Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8637 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  JEPS33727  Mimulus layneae D. E. Breedlove 1963-5-29 5081 Napa 8 mi n Pope Valley 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
  JEPS11437  Mimulus microphyllus W. L. Jepson 1921-5-6 9173 Napa Yountville 30 Comment
  JEPS11441  Mimulus microphyllus Willis L. Jepson 1893-4-28 9 m Napa Wooden Valley grade Napa River Basin, Napa range Comment
  JEPS18289  Mimulus microphyllus Peter H. Raven 1957-5-5 10754 Napa near Airport; Calistoga 91 Comment
  UC1301190  Mimulus microphyllus Helen K. Sharsmith 1963-3-17 5216 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UC26989  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD122707  Mimulus nasutus L. P. Thibault 1995-5-21 52 Napa along Wragg Creek north side of Highway 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  UC103809  Mimulus nasutus C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena; ; Mt. St. Helena, Napa Co. Comment
Read comments
Jun 25 2013
  CDA41840  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters wast of Knoxville-Berryessa Road, 2 miles south of Homestake Mine. Comment
  HSC81975  Mimulus nudatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5154 Napa W side of Butts Canyon Rd. at junction with private road 244 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
  CDA11430  Mimulus pulsiferae G. F. Hrusa, M. Tu 1995-5-6 12153 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  JEPS128903  Mimulus pulsiferae Jake Ruygt 1991-5-1 2665 Napa Intersection Aetna Extension Road with Oat Hill Mine Road. Detert Reservoir 7.5' Quad. Comment
  JEPS4668  Mimulus pulsiferae W. L. Jepson 1893-5-8 59 m Napa near La Jota Falls; Howell Mt., La Jota Plateau Comment
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  UCD96021  Mimulus tricolor Dena Grossenbacher; Brian Green 2008-4-10 767 Napa On north side of Knoxville-Berryessa Road about 0.7 miles east of Devil's Head Road junction, McLaughlin UC Reserve. 422 Comment
  JEPS106745  Minuartia californica Jake Ruygt 1978-3-12 242 Napa .8 miles northeast of Buuts Canyon Rd. on Snell Valley Rd. 185 Comment
  UC1301217  Minuartia californica Helen K. Sharsmith 1963-3-17 5225 Napa Mt. Atlas San Francisco Bay Region (s side) 609 Comment
  CAS-BOT-BC174565  Minuartia californica Peter H. Raven 1950-4-15 1753 Napa Wooden Valley Grade, above Napa 457 Comment
  RSA195382  Minuartia californica Gilbert Muth 1967-4-16 640 Napa Snell Valley. Comment
  JEPS51499  Minuartia douglasii W. L. Jepson 1938-5-22 18824 Napa Snell Valley Comment
  POM216216  Minuartia douglasii D. D. Keck 1933-5-29 2346 Napa Pope Creek bridge south of Walters Springs; south wall of Pope Creek Canyon. Comment
  JEPS122749  Mollugo verticillata Jake Ruygt 2009-7-28 5467 Napa North shore of Lake Berryessa near Eticuera Creek parking lot. Quad: Walter Springs. Comment
  CAS-BOT-BC220620  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  UCD169868  Monardella villosa subsp. franciscana Daniel Potter; E. Dean, C. Donkers, D. Hickson, J. Rugyt 2015-5-2 803 Napa Knoxville Wildlife Area. North of upper Nevada Creek. 510 Comment
  UC2035819  Monardella villosa subsp. villosa John Thomas Howell 1930-7-13 5349 Napa Edge of Crater Country Comment
  UCD73435  Monardella viridis Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UC292738  Monardella viridis W. L. Jepson 1894-10-13 Napa Cam Valley Cam <Conn> Valley (hillsides) Comment
  UCD166673  Monardella viridis Jake Ruygt 1992-6-22 3048 Napa Wild Horse Valley Ranch, northwest of vernal pool meadow. 481 Comment
  JEPS101598  Monardella viridis subsp. viridis Dean W. Taylor 1999-7-20 17289 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  JEPS110828  Monardella viridis subsp. viridis Jake Ruygt 1979-7-3 733 Napa north of Mt. George on Wild Horse Ranch north access road 408 Comment
  JEPS55473  Monardella viridis subsp. viridis W. L. Jepson 1893-5-4 32 f Napa Mt. St. Helena Comment
  SEINET10582239  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 374 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  SEINET10961499  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 373 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  JEPS5865  Montia fontana W. L. Jepson 1940-2-29 19499 Napa 4 mi se of Yountville (Napa Valley, Vicinity of San Francisco Bay); Napa Valley Comment
  SEINET7296349 Image available Muhlenbergia andina Beecher Crampton 1961-1 5969 Napa North end of Capell Valley above Capell Creek along State Hy. 128. Comment
  UC526761  Nassella cernua Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi e St. Helena; North Coast Ranges 304 Comment
  CAS-BOT-BC259963  Nassella lepida John H. Thomas 1955-5-21 5105 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD87825  Nassella lepida Beecher Crampton 1956-5-25 3481 Napa Howell Mountains, above Wooden Valley. Comment
  SEINET7073049  Nassella pulchra A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  CAS-BOT-BC60335  Nasturtium officinale E. Ruckert 1960-5-8 145 Napa 6495 Dry Creek Road. Few feet from gate spring, in overflow stream. 365 Comment
  JEPS120369  Navarretia atractyloides Joe Callizo 2005-6-4 4896 b Napa Between en of Pocock Creek Road and Putah Creek/Hunting Creek Confluence. Jericho Valley 7.5' Quad. Comment
  JEPS120361  Navarretia cotulifolia Jake Ruygt 1982-5-19 1283 Napa 2 miles south of Walter Springs bridge on Pope Canyon Road. Aetna Springs 7.5' Quad. Comment
  RSA176773  Navarretia intertexta D. E. Breedlove 1963-5-29 5045 Napa 8.5 miles S of Pope Valley Comment
  UC1195665  Navarretia jepsonii A. R. Kruckeberg 1947-6-15 1492 Napa 0.7 mi w Knoxville (on Knoxville-Lower Lake road) Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UCD48416  Navarretia jepsonii Mrs. K. Brandegee 1910-7-26 148 Napa Near Aetna Springs, Napa County, in depression in clay soil. Comment
  UCD167185  Navarretia jepsonii Jake Ruygt 1996-5-31 3723 Napa South of James Circle road and Butts Canyon Road, Pope Valley. 204 Comment
  UC1051755  Navarretia pubescens Helen K. Sharsmith 1953-6-15 4184 Napa se slope Capell Valley (just w of junction of Capell Valley and Monticello roads); Inner North Coast Ranges, Capell Valley 274 Comment
  UCD148817  Navarretia pubescens Ellen Dean; Diana Hickson 2014-4-29 8123 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  JEPS110946  Navarretia squarrosa Jake Ruygt 1981-7-15 1065 Napa 1.5 miles north of Browns Valley Rd. on Redwood Rd. 152 Comment
  JEPS70448  Navarretia squarrosa Willis L. Jepson 1893-9-24 20948 Napa Angwin's Meadow Napa River Basin, Howell Mt. Comment
  RSA73124  Navarretia subuligera J. T. Howell 1940-5-19 s.n. Napa Upper St. Helena Creek. Comment
  SEINET5641795  Navarretia subuligera Leigh A. Johnson, David Gowen 2009-5-30 09 -052 Napa Along trail to Table Rock on East side of Hwy from parking area off Hwy 29.; 0 725 Comment
  RSA492511  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  SEINET3815174 Image available Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa above Soda Creek along State Hwy 28, 8.2 miles E of Conn Lake (resevoir Comment
  JEPS79577  Nemophila heterophylla Edward Lee with A. Carter and E. Crum 1936-3-15 1796 Napa 3.4 mi out Rutherford (Rutherford-Pope Valley Road); <near> Rutherford Comment
  RSA699652  Nemophila heterophylla Keith E. Hoffmaster 1946-3-23 s.n. Napa Napa range, along Napa-Monticello road. Comment
  UC131501  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena Comment
  UCD19943  Nemophila heterophylla E. A. Dean; Virginia Boucher 2002-2-28 895 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  UCD49091  Nemophila heterophylla S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 26 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd., N of jct with Cut-Off Rd. 152 Comment
  JEPS3154  Nemophila heterophylla W. L. Jepson 1900-3-10 547 Napa ne St. Helena (between Napa River and Sanitarium); btw Napa River and Sanitarium, ne of St. Helena Comment
  JEPS3158  Nemophila heterophylla Mrs. Mary Van E. Ferguson 1919-4-13 215 Napa near Atlas Mt.; near Atlas Mt. Comment
  POM197561  Nemophila heterophylla L. R. Abrams 1928-5-4 12613 Napa Summit of St. Helena Grade near Toll House. 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
  UCD23400  Nemophila heterophylla Eva Kurth 1977-4-10 182 Napa Corolla white. On rocky, SE facing slope 200 yds east of Monticello Dam on Highway 128. Comment
  SEINET5730453 Image available Nemophila menziesii Stephen L. Clement 1973-1 25- 4 -8 Napa 11.6 miles south of Pope Valley, Napa County.; Pope Valley Comment
  UC1031220  Nemophila menziesii Rolf Y. Berg 1954-4-8 Napa Highway 128 two mi s of e Monticello; s of e of Monticello Comment
  UCD120235  Nemophila menziesii M. Wiesendanger 1928-4-5 853 Napa Monticello. Comment
  UCD23405  Nemophila menziesii Leslee Newton 1977-4-16 6 Napa Erect plants 2-4 inches tall, leaves green, pinnately lobed and pubescent, stems also pubescent. Flower petals with blue margins and veins, the rest white. Foothill woodland, scattered patches of 3-4 individuals in open field. 6.4 miles SSW of Monticello Dam on Highway 128. 182 Comment
  UCD23409  Nemophila menziesii Jonathan M. Irvine 1977-4-16 113 Napa Hwy. 128, 6.4 miles SSW of Monticello Dam. Soil is rocky clay, Knoxville formation. Mixed woodland, west facing gentle dry slope. Comment
  UCD166686  Nemophila pedunculata Jake Ruygt 1991-3-11 2668 Napa intersection of Aetna Extension Rd and Oat Hill Mine Rd. 670 Comment
  CHSC102523  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS12274  Nicotiana acuminata var. multiflora W. L. Jepson 1937-7-16 18449 Napa about 1 mi above St. Helena Sanitarium (lower slope of Howell Mt); Napa Range, Howell Mt. Comment
  UCD126688  Nicotiana acuminata var. multiflora J. M. Tucker; C. H. Lamoureux 1958-6-8 3404 Napa beside State Highway 128, 2.7 miles northeast of Rutherford. Comment
  UCSC000650  Nicotiana bigelovii H. S. Reed 1948-11-6 s.n. Napa Putah Creek 102 Comment
  UC419774  Nicotiana quadrivalvis Mrs. H. P. Bracelin 1930-10-19 112 Napa near Conn Creek entrance (Sage Canyon); Sage Canyon Comment
  UCD73399  Nuttallanthus texanus 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
  UCD73443  Nuttallanthus texanus 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
  JEPS113971  Odontostomum hartwegii Jake Ruygt 1992-5-25 3003 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  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
  UC1197138  Oenanthe sarmentosa Joseph P. Tracy 1938-8-7 16094 Napa Yountville 30 Comment
  UCR23341  Onychium densum John C. Roos 1938-12-10 286 Napa North Coast Range, Blake's Canyon, Pacific Union College, Angwin Comment
  CDA42041  Orobanche fasciculata D. Irving Grover 1965-6-1 s.n. Napa Howell Mountain area. 0 Comment
  CAS-BOT-BC243699  Orobanche valida subsp. howellii Keith Wallace 1964-6-1 s.n. Napa 1/8 mile E of lookout, SW slope of Mt. St. Helena 1219 Comment
  RSA202261  Orthocarpus densiflorus L. D. Thurman 1964-4-15 396 Napa Silverado trail 5 mi N of Napa. Comment
  POM43749  Orthocarpus faucibarbatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET4854296  Orthocarpus lacerus Carl F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  CDA38477  Osmorhiza berteroi T. C. Fuller 1958-5-1 3714 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  UCD149713  Oxalis micrantha 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
  CAS-BOT-BC316824  Packera clevelandii Harvey Monroe Hall 1923-10-14 11943 Napa 8 miles n. of Pope Valley. Along a small stream. Comment
  CAS-BOT-BC316825  Packera clevelandii Joseph Prince Tracy 2221 Napa Howell Mtn. Head od Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  CAS-BOT-BC316826  Packera clevelandii John Thomas Howell 1930-10-19 5620 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  JEPS104693  Packera clevelandii John L. Morrison 1936-9-20 1933 Napa Knoxville Mine Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  UCD134774  Packera eurycephala K. Esau; E. Hyde 1936-5-14 s.n. Napa Napa Valley. Comment
  JEPS17411  Packera eurycephala var. eurycephala W. L. Jepson 1938-5-22 18835 Napa Pope Valley Comment
  UC767457  Packera eurycephala var. eurycephala R. F. Hoover 1941-4-26 4911 Napa below Monticello; Putah Creek Canyon Comment
  OBI15493  Packera greenei Robert F. Hoover 1966-5-28 9878 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  SDSU491  Packera greenei D. F. Howe 1966-6-3 4265 Napa 14.0 miles south of Middletown. 305 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
  CDA2124  Paspalum urvillei B. E. Eaton 1974-8-27 Napa Heinke Drive, 0.4 mile north of Coombsville Road east of Napa. 0 Comment
  JEPS120404  Paxistima myrsinites Jake Ruygt 1995-4-9 3423 Napa Van Ness Canyon near feeder creek to Van Ness Creek Comment
  UC1239630  Pectocarya pusilla Joseph P. Tracy 1933-4-30 1212 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UC480620  Pedicularis densiflora Mrs. Linsdale 1929-4-13 Napa Calistoga Comment
  UCD123329  Pedicularis densiflora H. Popenoe 1949-5-1 18 Napa 1 mile from Pacific Union College, beside road to Pope Valley. Comment
  SD234194  Pedicularis densiflora Virginia Pinkus Ryder 1964-5-15 101 Napa Route 37 east of Napa. Rocky sandstone cliff. 410 Comment
  UC1278029  Pedicularis densiflora B. Crampton 1953-2-26 989 Napa about 6 mi e of Monticello (above Putah Creek, along State Hwy 128) Comment
  UC27314  Pedicularis densiflora Willis L. Jepson 1893-4-25 Napa trail to Leaux's Cabin; Napa River Basin Comment
  UC197944  Pellaea andromedifolia C. F. Sonne Apr. 1885 Napa Soda Springs Comment
  UCD73458  Pellaea mucronata var. mucronata Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD89424  Pennisetum clandestinum Robert Beechinor 1964-10-11 52 Napa Vaca Mountains. Martley Canyon Resort area, Lake Berryessa. Comment
  JEPS110744  Penstemon heterophyllus var. heterophyllus Jake Ruygt 1979-6-2 666 Napa 4.7 miles north of Monticello Rd. on Atlas Peak Rd. 347 Comment
  JEPS7561  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1936-5-31 17566 Napa Howell Mt. betw. Toland House and Angwin; Howell Mt. btw Toland House and Angwin Comment
  SEINET11198823  Penstemon venustus J. A. Ewan 1934-6-30 8846 Napa 5 mi S of Monticello on Steel Canyon rd. Comment
  JEPS120382  Pentachaeta alsinoides Jake Ruygt 1983-4-26 1445 Napa Hwy 12 at Sonoma Co. line Comment
  UC35617  Pentachaeta exilis Willis L. Jepson 1893-5-8 Napa plateau near La Jota Falls; Napa River Basin Comment
  JEPS120381  Pentachaeta exilis subsp. exilis Jake Ruygt 1998-5-2 3951 Napa Jerd Creek Comment
  JEPS103985  Pentagramma triangularis subsp. triangularis Jake Ruygt 1979-12-19 801 Napa Spring Mountain Winery (Falconcrest) 146 Comment
  UCD63189  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  JEPS12438  Perideridia kelloggii Willis L. Jepson 1901-8-6 1727 Napa Howell Mt. grade Napa River Basin Comment
  JEPS12398  Perideridia oregana W. L. Jepson 1894-10-13 14808 Napa Upper Conn Valley Napa Range Comment
  UCD63190  Perideridia oregana Jake Ruygt 2002-6-21 4437 Napa Missimer Wildflower Preserve, 1/4 mile up creek, south side of Snell Valley. 228 Comment
  UCD99331  Persicaria orientalis Irving Grover 1955-8-1 s.n. Napa location unknown. Comment
  UCD81815  Petrorhagia dubia Ellen Dean 2009-4-24 5442 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS110852  Phacelia corymbosa Jake Ruygt 1988-5-29 2190 Napa sensitive plant canyon SE of Hunting Creek campground 411 Comment
  JEPS110851  Phacelia distans Jake Ruygt 1994-3-15 3317 Napa Chiles Canyon Road about 1 mile from Chiles Valley 365 Comment
  JEPS47331  Phacelia imbricata subsp. imbricata L. R. Heckard and R. Bacigalupi 1965-5-15 1459 Napa about 5 mi s Knoxville; Nevada Creek 304 Comment
  UC1001191  Phacelia nemoralis subsp. nemoralis Peter H. Raven 1952-5-31 4154 Napa Rector Dam 152 Comment
  UCD48041  Phacelia tanacetifolia M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 2 Napa McLaughlin UC Reserve. SW of old town of Knoxville on N side of Knoxville-Berryessa Rd. 426 Comment
  UCD166688  Phacelia tanacetifolia Jake Ruygt 1998-5-20 3987 Napa Blue Ridge, +/- 1.5 miles north of Mays Flat. 685 Comment
  CAS-BOT-BC265790  Phalaris aquatica T. H. Kearney 1951-6-16 s.n. Napa Along Vichy Road ca. 2 mi. from Napa Comment
  UCD88185  Phalaris aquatica R. Tofsrud 1948-5-1 s.n. Napa Napa. Comment
  RSA92823  Phalaris paradoxa P. H. Raven 1952-5-29 4095 Napa Napa River, 1 mile N. Napa. 61 Comment
  JEPS85036  Phlox gracilis Larry Heckard and Mary Ashton 1969-5-3 2199 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UC917126  Phlox gracilis D. C. Finfrock 1950-4-2 13 Napa 2 mi from St. Helena (on Pope Valley road) Comment
  CDA11824  Phoradendron densum G. F. Hrusa 1993-10-3 11427 Napa North Coast Biodiversity Arena; 2 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd. 518 Comment
  UC639128  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  HSC15919  Phoradendron serotinum subsp. tomentosum Greg Bos 1963-3-30 54 Napa St. Helena Mtn., S slope 305 Comment
  JEPS110811  Phoradendron villosum Jake Ruygt 1979-5-20 614 Napa 1.6 miles north of White Cottage Rd. on Summit Dr. 694 Comment
  POM354320  Phoradendron villosum J. J. Walters 1932-3-6 s.n. Napa St Helena. Comment
  UCD108172  Pickeringia montana D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 Comment
  RSA602574  Pickeringia montana L. C. Wheeler 1952-8-30 6881 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  UC17044  Pickeringia montana var. montana W. H. Brewer July 1862 1313 Napa hills near Rockville Comment
  CDA7596  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  CAS-BOT-BC73374  Pinus attenuata Peter H. Raven 1951-8-21 3876 Napa Mt. Veeder 792 Comment
  SEINET11737237  Pinus attenuata Unknown 1944-1 s.n. Napa Calastoga Comment
  SEINET3221131 Image available Pinus ponderosa Royal D. Suttkus 1967-6-26 67- 30 -42 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS102208  Piperia leptopetala J. Greenhouse with Jake Ruygt, Joe Callizo 2000-5-20 5007 Napa Adams Ridge. About 50 feet below Adams Ridge Rd., 1 mi from Devilshead Rd. in Hunting Creek BLM area N of Knoxville. 670 Comment
  CAS-BOT-BC254387  Piptatherum miliaceum Catherine Best 1991-5-25 1379 Napa On BLM land in NE part of county Comment
  JEPS129089  Plagiobothrys bracteatus Jake Ruygt 2016-4-19 6195 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  RSA170255  Plagiobothrys bracteatus Joseph P. Tracy 1950-5-23 18675 Napa La Jota Plateau at head of Moore s Creek, 3 miles east of Angwin s 518 Comment
  POM64759  Plagiobothrys bracteatus A. A. Heller, H. E. Brown 1902-4-25 11839 Napa Near Napa Comment
  UCD74375  Plagiobothrys bracteatus Jake Ruygt 2002-4-17 4387 Napa Sulphur Springs Rd., west of St. Helena. 76 Comment
  UCD74379  Plagiobothrys bracteatus Jake Ruygt 1996-5-13 3667 Napa 0.9 mile south of Pope Canyon Road on Hardin Road. 183 Comment
  UCD120817  Plagiobothrys canescens M. Wiesendanger 1927-5-4 675 Napa Near Monticello. Comment
  JEPS129132  Plagiobothrys cognatus Jake Ruygt 2011-5-7 5777 Napa Mill Valley near Angwin; central portion. Saint Helena 7.5' Quad. Comment
  UCD161234  Plagiobothrys greenei Jake Ruygt 2003-4-22 4508 Napa Near south end of Knoxville Wildlife Area, base of trail to cliffs. (Coordinates estimated by label maker at UC Davis). 292 Comment
  JEPS122675  Plagiobothrys hystriculus Jake Ruygt 1998-5-20 3981 Napa 4.7 miles? north of first bridge on Berryessa-Knoxville Road. Quad: Knoxville. Comment
  JEPS68065  Plagiobothrys nothofulvus Willis L. Jepson 1893-3-13 21156 Napa St. Helena Napa River Basin Comment
  JEPS68083  Plagiobothrys nothofulvus W. L. Jepson 1924-4-6 10328 Napa Conn Valley Napa Range Comment
  POM182692  Plagiobothrys nothofulvus D. D. Keck 1931-4-2 1006 Napa Foot of Wooden Valley grade, 4 miles NE of Napa. 50 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
  UC25056  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-25 Napa Caux's Knob w St. Helena; Caux's Knob Comment
  UCD120932  Plagiobothrys nothofulvus M. Wiesendanger 1927-5-4 687 Napa Near Monticello. Comment
  UCD148755  Plagiobothrys nothofulvus Jake Ruygt 2002-4-1 4375 Napa Napa County; Blue Ridge north of Mays Flat. 716 Comment
  JEPS129157  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2015-5-2 6086 Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  UCD81829  Plagiobothrys stipitatus var. micranthus Ellen Dean 2009-4-24 5456 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 274 Comment
  UCR140420  Plagiobothrys stipitatus var. stipitatus Beecher Crampton 1955-4-7 2447 Napa Inner North Coast Ranges, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville 488 Comment
  JEPS24975  Plagiobothrys strictus W. L. Jepson 1893-5-2 Napa Calistoga Comment
  JEPS68134  Plagiobothrys tenellus W. L. Jepson 1900-3-9 509 Napa Howell Mt. Comment
  JEPS68149  Plagiobothrys tenellus W. L. Jepson 1897-5-2 21148 Napa St. Helena Napa Valley Comment
  JEPS106758  Plagiobothrys tener var. tener Jake Ruygt 1990-4-21 2498 Napa Giles Mead Ranch, Atlas Peak Rd. 429 Comment
  JEPS110787  Plantago elongata Jake Ruygt 1993-4-18 3213 Napa west of west end of Rio Del Mar Drive, American Canyon 1 Comment
  CDA10892  Plantago erecta G. F. Hrusa, M. Rejmanek 1993-5-15 10987 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS120325  Plantago erecta Jake Ruygt 1995-4-27 3638 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Chiles Valley 7.5' Quad. Comment
  UCD49192  Plantago erecta Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  UCR146184  Plantago erecta Beecher Crampton 1967-5-11 7918 A Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  UC545833  Plantago erecta Mrs. H. P. Bracelin 1930-3-29 Napa e of Napa (on road to Monticello, nw slopes of Mount George); Mount George Comment
  UCD15036  Plantago erecta Rebecca L. Moehlmann 1977-4-16 12 Napa California, Napa Co. : Wragg Canyon, along the east side of Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam. 182 Comment
  UCD167241  Plantago erecta Jake Ruygt 1979-4-23 548 Napa 3.7 miles northeast of middle Road on Pope Canyon Road. 188 Comment
  JEPS110784  Plantago lanceolata Jake Ruygt 1978-5-4 286 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. 12 Comment
  RSA523626  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa Hills to east of Yountville, on east side of road. Comment
  JEPS110776  Platystemon californicus Jake Ruygt 1979-4-6 490 Napa 2.3 miles north of Howell Mtn. Rd. on Butts Canyon Rd. 225 Comment
  JEPS51580  Platystemon californicus Willis L. Jepson 1897-5-2 Napa St. Helena Comment
  UCD96055  Platystemon californicus G. E. Johnston 1974-4-4 6115 Napa near Bell Canyon, Angwin. 426 Comment
  JEPS4815  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  JEPS5112  Plectritis brachystemon W. L. Jepson 1900-3-10 515 Napa near Toland House (Howell Mountain); Howell Mountain 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
  UC917296  Plectritis ciliosa subsp. ciliosa J. D. Skoss 1948-4-1 1 Napa 14 mi w of Winters (Putah Canyon); Putah Canyon Comment
  JEPS14267  Plectritis macrocera Bacigalupi and Dempster May, 1955 4446 A Napa between Chiles Valley and Monticello Valley Comment
  OBI8696  Plectritis magna Bacigalupi & Dempster, Dempster 1954-5-10 4444 Napa Conn Cyn Reservoir Comment
  CAS-BOT-BC260958  Pleuropogon californicus var. californicus Peter H. Raven 1957-5-5 10748 Napa Near hot springs, Calistoga 91 Comment
  UCD17987  Poa annua Ellen Dean; with Plant Biology 102 class 2001-4-14 713 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD91107  Poa howellii Beecher Crampton 1957-4-15 3928 Napa Martley Canyon, Vaca Mountains. 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
  UCD37942  Poa napensis Beecher Crampton 1962-5-8 6418 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  SEINET7256601  Poa napensis Peter H. Raven Napa Comment
  CDA10914  Poa secunda G. F. Hrusa, M. Rejmanek 1993-5-15 11010 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA31320  Poa secunda D. G. Kelch 2010-5-6 10 .186-B Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  RSA10120  Poa secunda Joseph P. Tracy 1933-4-30 12118 Napa Near Angwin Creek on Howell Mountain 457 Comment
  RSA10674  Poa secunda C. B. Wolf 1928-5-3 1814 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD18085  Poa secunda Ellen Dean; with PLB 102 class 2000-4-22 641 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD92438  Poa secunda subsp. juncifolia W. E. Wood 1928-4-15 s.n. Napa Blake Estate, Pacific Union College, St. Helena. Comment
  UCD95685  Poa secunda subsp. juncifolia Ellen Dean; with Clare Loughran 2011-5-20 7030 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  CAS-BOT-BC242900  Poa secunda subsp. secunda Carl B. Wolf 1928-5-3 1814 Napa 2 miles S of Hawkins Mount Inn Camp Comment
  UCD36942  Poa secunda subsp. secunda Beecher Crampton 1956-5-25 3463 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD90836  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7332 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  UCD90997  Poa secunda subsp. secunda Frank Gordon 1924-5-1 s.n. Napa Suisun Valley. Comment
  UCD92112  Poa secunda subsp. secunda M. Wiesendanger 1927-5-4 696 Napa Monticello, Napa Road. Comment
  UCD160701  Pogogyne douglasii Ellen Dean; Jake Ruygt 2015-5-23 8760 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  CDA10877  Pogogyne serpylloides G. F. Hrusa, M. Rejmanek 1993-5-15 10972 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD167141  Pogogyne serpylloides Jake Ruygt 2015-5-2 6086 i Napa West of Buck Mountain near Nevada. 598 Comment
  UC160998  Polycarpon tetraphyllum Joseph P. Tracy 1902-5-26 1640 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  RSA40153  Polycarpon tetraphyllum J. T. Howell 1943-6-20 18242 Napa Hills W of Napa Valley between St. Helena and Mt. St. John. 229 Comment
  SEINET6044076  Polycarpon tetraphyllum Unknown 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. Comment
  JEPS112607  Polygala californica Jake Ruygt 1976-5-6 60 Napa 4.2 miles NE of Westgate Dr. on Atlas Peak Rd. 408 Comment
  RSA10666  Polygala californica Carl B. Wolf 1928-5-3 1823 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD68049  Polygala californica Allen Barnes 1976-6-1 25 Napa on highway 128, 3.9 miles northwest of Moskowite Corners, approximately 200 yds west of roadside. Comment
  RSA113968  Polygala californica Peter H. Raven 1957-5-5 10778 Napa Hills at western edge of Calistoga. Comment
  CDA34664  Polygonum arenastrum L. Ahart 2009-10-12 16457 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  UC523515  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mi n Yountville Comment
  UCR30824  Polygonum bolanderi John C. Roos 1938-11-12 320 Napa North Coast Range, Pacific Union College, Angwin, near the falls Comment
  JEPS50595  Polygonum californicum W. L. Jepson 1930-10-19 15687 Napa Pope Valley Comment
  UC6676  Polygonum californicum Brewer 856 Napa Napa Hills Comment
  JEPS112595  Polygonum lapathifolium Jake Ruygt 1969-12-31 2837 Napa Buchli Station, DFG Huichica Creek prop. 1 Comment
  JEPS115738  Polygonum lapathifolium Lowell Ahart 2009-10-12 16447 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  JEPS50624  Polygonum lapathifolium Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mountain Comment
  JEPS112589  Polygonum parryi Jake Ruygt 1992-5-20 2985 Napa south of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  RSA170233  Polygonum parryi Joseph P. Tracy 1950-5-23 18665 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  CDA29742  Polygonum punctatum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 210 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  RSA309338  Polypodium californicum Edward Lee, Annetta Carter 1935-12-1 1672 Napa Sarco Creek, Howell Mountains (road from Napa to Wooden Valley) Comment
  CAS-BOT-BC76855  Polypodium calirhiza Peter H. Raven 1954-1-22 6380 Napa Sulphur Springs Resort, west of St. Helena. 121 Comment
  JEPS79513  Polypodium calirhiza Edward Lee with Annetta Carter 1935-12-1 1672 Napa rd. from Napa to Wooden Valley (Sarco Creek); Howell Mts. Comment
  UC1440073  Polypodium calirhiza Alan Smith 1976-11-23 691 Napa Glass Mt. Rd. Comment
  CDA34668  Polypogon interruptus L. Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CHSC102289  Polypogon interruptus Lowell Ahart 2009-10-12 16466 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
  UCD149572  Polypogon maritimus 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
  UCD91411  Polypogon monspeliensis M. Wiesendanger 1926-4-1 1495 Napa Somewhere. Comment
  CDA11615  Polystichum dudleyi G. F. Hrusa, G. L. Stebbins 1994-3-11 11613 Napa North Coast Biodiversity Arena; Las Posadas State Forest, immediately E of Fire Station. Comment
  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
  UCD160569  Prosartes hookeri G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  JEPS110566  Prunus ilicifolia subsp. ilicifolia Jake Ruygt 1979-5-3 573 Napa Cup and Saucer 121 Comment
  JEPS44963  Prunus subcordata W. L. Jepson 1917-8-16 7434 Napa Howell Mountain 182 Comment
  JEPS106912  Pseudognaphalium beneolens Jake Ruygt 1979-8-14 796 Napa Suscol Hill at HWY 29 (121) 30 Comment
  UCD19309  Pseudognaphalium californicum M. A. Bibbo; E. Dean 2001-7-6 1 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.4 air miles from research station. E (upslope) side of the road. 365 Comment
  UCD73442  Pseudognaphalium californicum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  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
  JEPS106911  Pseudognaphalium microcephalum Jake Ruygt 1988-8-14 2228 Napa Adams Ridge, Adams Creek area 548 Comment
  UC32002  Pseudognaphalium microcephalum W. L. Jepson 1892-7-1 Napa Knoxville Comment
  UC245  Pseudotsuga menziesii var. menziesii Mrs. D. O. Hunt 1899-2-26 Napa Glass Mt. St. Helena, Glass Mt. Comment
  JEPS129114  Psilocarphus brevissimus var. brevissimus Jake Ruygt 2015-5-6 6090 Napa East side of Highway 221, south of Suscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UC176863  Psilocarphus oregonus J. P. Tracy 1902-5-19 1551 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  UCD161756  Psilocarphus oregonus Jake Ruygt 1996-5-19 3711 Napa west of Barnett Road near Burton Creek, (Peju Pr) Pope Valley. 201 Comment
  UCD63154  Psilocarphus tenellus var. tenellus Jake Ruygt 1991-5-6 2649 Napa Wantrup Preserve, Pope Valley. 195 Comment
  UC1197567  Pyrola picta J. P. Tracy 1899-6-14 341 Napa 3-4 mi e of Angwins (Head of Moore's Creek, Howell Mountain); Howell Mountain, Head of Moore's Creek 518 Comment
  CAS-BOT-BC362358  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  UCD45325  Quercus X chasei J. M. Tucker 1994-10-29 s.n. Napa California, Napa Co., Mt. George, north-ne. side, ca. 400 m. 400 Comment
  UC1010753  Quercus X morehus Peter H. Raven 1951-6-26 3086 Napa Cappell Valley to Wooden Vallen 304 Comment
  HSC8088  Quercus agrifolia Greg Bos 1963-3-30 64 Napa 10 mi. SW of Pope Valley on Pope Valley Rd. 366 Comment
  JEPS37366  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa near St. Helena; Napa River Basin Comment
  JEPS37714  Quercus agrifolia W. L. Jepson 1901-8-6 1718 Napa St. Helena Napa River Basin Comment
  UCD149628  Quercus agrifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  UCD45019  Quercus agrifolia D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  CDA12252  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Tree at upper end of Lake Hennessey along Hwy. 128. Comment
  JEPS116525  Quercus berberidifolia Jake Ruygt 2002-10-23 4467 b Napa Mount Vaca, south side of peak. Mount Vaca 7.5' Quad. Comment
  UCD14678  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi. east of Conn Valley Dam, beside road to Monticello; Comment
  UCD45241  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi east of Conn Valley Dam, beside road to Monticello. Shale soil, shrubs on steep hillside. (Sheet No. 1, each twig from a separate shrub.) Comment
  UCD73430  Quercus berberidifolia Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UCD83393  Quercus berberidifolia Jake Ruygt 1992-9-24 3156 Napa Lower Chiles-Pope Valley Rd., N of Berryessa Knox Rd. 201 Comment
  JEPS116542  Quercus chrysolepis Jake Ruygt 1984-3-31 1516 a Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  UCD149579  Quercus chrysolepis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC85934  Quercus douglasii H. E. McMinn 1922-8-3 365 Napa near Lake Co. line between Aetna Springs and Middleton Comment
  JEPS116541  Quercus douglasii Jake Ruygt 1996-5-4 3644 Napa Butts Canyon Road at James Creek Road; field to SE. Aetna Springs 7.5' Quad. Comment
  JEPS37330  Quercus douglasii W. L. Jepson 1904-6-3 2435 Napa St. Helena to Howell Mt. Comment
  JEPS37392  Quercus douglasii Willis L. Jepson 1901-8-6 1722 Napa Howell Mt. grade Napa River Basin Comment
  UC993144  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UCD148822  Quercus douglasii Ellen Dean; Diana Hickson 2014-4-29 8127 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD162119  Quercus douglasii Dylan O. Burge 2014-3-15 1497 Napa Mount Saint Helena. 670 Comment
  UCD45635  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa, abundant on canyon slopes. Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  CAS-BOT-BC79841  Quercus durata Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  RSA39635  Quercus durata P. A. Munz 1947-10-10 12214 Napa Inner Coast Range, 11 miles east of Rutherford, on road to Winters. Comment
  UCD14807  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -5 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14812  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -19 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14813  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -20 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; 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
  UCD149624  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Chiles Valley. Comment
  UCD45947  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  UCD45979  Quercus durata G. F. Hrusa; M. Hooper 1995-9-12 12463 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. 100 Comment
  UCD45884  Quercus durata var. durata John M. Tucker 1941-9-20 407 Napa Opposite junction of road from Samuel Springs with Monticello-- Pope Valley Road, Napa County, California. Comment
  UCD46113  Quercus garryana W. L. Jepson 1916-8-6 6825 Napa Howell Mt. Comment
  UCD46061  Quercus garryana var. garryana J. M. Tucker 1952-9-20 2626 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. Comment
  CAS-BOT-BC105302  Quercus kelloggii Elsa G. Ruckert 1960-4-2 59 Napa 6495 Dry Creek Road, woods SW of house 300 yards 365 Comment
  UC615441  Quercus kelloggii Beryl O. Schreiber 1932-4-3 200 Napa road to Calistoga 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
  JEPS37359  Quercus lobata Miss Frida Niedenmuller 1908-9-7 Napa St. Helena 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
  UCD83400  Quercus lobata Jake Ruygt 1996-5-4 3643 Napa Butts Canyon Rd. at James Creek Rd.; field to SE. 210 Comment
  CAS-BOT-BC104980  Quercus wislizeni James L. Reveal 1987-6-7 6391 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles W of Pleasant Valley Road, about 5.5 miles W-NW of Vacaville 182 Comment
  CAS-BOT-BC104984  Quercus wislizeni Wm. C. Overton 1980-7-13 s.n. Napa Along S bank of Eticuera Creek, ca 1.5 road miles N of Lake Berryessa 176 Comment
  UCD149626  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Markley Canyon. 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
  UCD47488  Quercus wislizeni John M. Tucker 1953-10-23 2688 Napa Roadside, east side of Highway 37, 1.5 miles south of junction with Highway 28, Steel Canyon, Napa County, California. Comment
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 Comment
  UC9417  Ranunculus californicus Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  CAS-BOT-BC378489  Ranunculus californicus var. californicus Elsa G. Ruckert 1960-4-24 115 Napa 6495 Dry Creek Road; road leading in to property and meadows to left and right 365 Comment
  RSA114032  Ranunculus californicus var. gratus Peter H. Raven 1957-5-5 10780 Napa Hills at western edge of Calistoga. Comment
  UC917101  Ranunculus canus H. Popenoe 1949-4-17 9 Napa 17 mi from Winters (at entrance to Monticello Valley) Comment
  JEPS110875  Ranunculus hebecarpus Jake Ruygt 1986-3-29 1672 a Napa Toll Canyon 210 Comment
  UCD21498  Ranunculus hebecarpus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4400 Napa Quail Ridge Reserve. 213 Comment
  POM150527  Ranunculus lobbii C. F. Baker 1903-4-19 1997 Napa St. Helena Comment
  SEINET7072527  Ranunculus occidentalis A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  UC1607872  Ranunculus occidentalis C. G. Nast 1936-3-27 54 Napa Berryessa Valley Comment
  UCD148829  Ranunculus occidentalis Ellen Dean; Diana Hickson 2014-4-29 8134 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  JEPS55167  Ranunculus occidentalis W. L. Jepson 1897-5-2 Napa near St. Helena; Napa Valley Comment
  UCSB2073  Ranunculus occidentalis Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37 213 Comment
  RSA268386  Ranunculus occidentalis var. eisenii Lyman Benson 1935-2-25 6246 Napa S base Mt. St. Helena, Mayacamas Mt, Napa River. 244 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
  SEINET5718622 Image available Ranunculus occidentalis var. occidentalis Gary W. Elmstrom 1965-1 5 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley.; Pope Valley 274 Comment
  JEPS60703  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1921-5-6 9176 Napa Calistoga 109 Comment
  UC135583  Ranunculus orthorhynchus var. bloomeri C. F. Baker 1903-4-19 1995 Napa Calistoga Comment
  JEPS126116  Raphanus raphanistrum Jake Ruygt 1998-3-29 3896 Napa Jameson Canyon, north side near bottom of ridge. Cordelia 7.5' Qua. Comment
  UCD115213  Raphanus sativus H. Popenoe 1949-4-17 6 Napa along Putah Creek. Comment
  UCD54552  Reseda luteola Ellen Dean 2005-10-12 2740 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  CAS-BOT-BC427557  Reseda luteola John Thomas Howell 1943-5-11 18067 Napa S. side of Mt. St. Helena Comment
  UCD135425  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville. 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
  OBI5246  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson ranch, Dry Crk Rd, 2mi W of Yountville Comment
  SBBG50632  Rhamnus crocea J. Stroud 1964-5-8 17 Napa E of State Hwy 128, ca. 3 mi SW of Monticello Dam 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
  UC668155  Rhamnus tomentella subsp. crassifolia Joseph P. Tracy 1938-6-6 15834 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  POM282940  Rhamnus tomentella subsp. tomentella Lyman Benson 1928-11-3 561 Napa Mt. St. Helena, Lake County line, Mayacamas. Putah Creek Watershed 610 Comment
  CDA29137  Rhododendron occidentale D. G. Kelch, Daniel Weinstein 2009-6-21 9 .444 Napa Near Skyline Park. Comment
  UCD20692  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 4 Napa Napa County, NE side of Butts Canyon Rd. along SW and NE side of Butts Creek, 250 ft. east of Napa, 20.14 marker. Bulk of population is 330 ft. west of Napa 20.14 marker, continuous to Lake Co. Plants within 20' of water. Comment
  CAS-BOT-BC200715  Rhus aromatica Ella Dales Cantelow 1939-4-8 2495 Napa Few miles s. of Knoxville Comment
  CAS-BOT-BC200716  Rhus aromatica Peter H. Raven 1952-5-26 4066 Napa Steel Canyon 304 Comment
  CAS-BOT-BC200718  Rhus aromatica Frank A. Leach 1926-6-26 s.n. Napa Aetna Springs Comment
  JEPS129173  Rhus aromatica Jake Ruygt 2016-3-14 6043 Napa Sutro Ranch, west side of Atlas Peak. Yountville 7.5' Quad. Comment
  UCD39264  Rhus aromatica B. Crampton 1960-9-7 5776 Napa Vaca Mountains. Markley Canyon, along State Hwy. 128, above Lake Berryessa. Comment
  RSA696218  Rhus trilobata Keith E. Hoffmaster 1939-4-16 897 Napa Calistoga Road Comment
  CAS-BOT-BC92976  Ribes californicum var. californicum H. E. McMinn 1925-1-24 1394 Napa Along road between Wooden Valley and Monticello. Comment
  UCD167069  Ribes californicum var. californicum Jake Ruygt 2006-4-25 5003 Napa Wildlake Ranch, upper Bell Canyon. Comment
  JEPS110837  Ribes malvaceum var. malvaceum Jake Ruygt 1990-2-24 2438 Napa Mt. George 268 Comment
  UCD19333  Ribes malvaceum var. malvaceum M. A. Bibbo; E. Dean 2001-7-6 25 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. 0.4 air miles from jct of W and E roads, on steep N facing slope. 286 Comment
  UCD167056  Ribes malvaceum var. malvaceum Jake Ruygt 1995-4-9 3418 Napa Table Rock, The Palisades. 792 Comment
  UC572660  Ribes roezlii Herbert B. Kaufner 1937-4-12 102 Napa near summit (highway) Mount St. Helena Comment
  CAS-BOT-BC198891  Ribes roezlii var. cruentum C. B. Wolf 1928-2-25 1499 Napa Mt. St. Helena Inn at summit of Mt. St. Helena Grade Comment
  CAS-BOT-BC198893  Ribes roezlii var. cruentum Peter H. Raven 1951-5-26 2866 Napa Lokoya Lodge 411 Comment
  JEPS110834  Ribes victoris Jake Ruygt 1986-4-20 1723 Napa Palisades north of Halfway House 609 Comment
  POM141904  Ribes victoris W. L. Jepson 1892-05 s.n. Napa Trail to [?] Cabin. Comment
  UC1001195  Ribes victoris var. minus Peter H. Raven, G. L. Stebbins Jr. 1953-4-19 5329 Napa e Chiles Valley; Soda Creek 137 Comment
  JEPS34906  Rigiopappus leptocladus Joseph P. Tracy 1938-6-5 15827 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain, hills at head of Moo 365 Comment
  UCD69027  Rigiopappus leptocladus P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  JEPS106792  Rorippa curvisiliqua Jake Ruygt 1992-7-10 3085 Napa Yountville Ecological Reserve, Yountville Crossroad 26 Comment
  UCD81446  Rorippa curvisiliqua M. Wiesendanger 1927-5-4 668 Napa Near Monticello. Comment
  CAS-BOT-BC74592  Rorippa curvisiliqua John Thomas Howell 1926-4-3 1782 Napa Near Yountville. Comment
  CAS-BOT-BC148154  Rosa gymnocarpa Peter H. Raven 1950-5-6 2035 Napa S. limits of Calistoga, on Rt. 28 60 Comment
  CAS-BOT-BC148155  Rosa gymnocarpa Peter H. Raven 1952-5-26 4049 Napa Howell Mt. 426 Comment
  CAS-BOT-BC148156  Rosa gymnocarpa Peter H. Raven 1964-5-9 19055 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  JEPS112569  Rosa gymnocarpa Jake Ruygt 1976-5-14 76 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  SEINET11910993  Rosa gymnocarpa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -311 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UCD17677  Rubus H. Olmo; T. S. Mallah 1953-4-3 53 34 Napa California. Napa County: 0.5 miles south of Redwood Lodge along Highway 128. Near Rt. 1B X 234. Comment
  UCD17683  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 77 Napa California. Napa County: 2 miles west of Sage Creek on Highway 128. Comment
  UCD17693  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 83 Napa California. Napa County: junction of Silverado Trail and Spring Valley Road near 'Mather House. Comment
  CAS-BOT-BC156589  Rubus bifrons Peter H. Raven 1952-5-29 4075 Napa Napa River 1 mi. n. Napa 60 Comment
  CHSC102269  Rumex fueginus Lowell Ahart 2009-10-12 16428 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. 133 Comment
  CHSC102281  Rumex fueginus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  SBBG115747  Rupertia physodes B. Crampton 1953-5-19 1301 Napa Hwy 128, ca. 9 mi E of Rutherford Comment
  SD108178  Rupertia physodes Peter H. Raven 1964-5-9 19042 Napa Edge of small grove of Sequoia along dirt road, 2.0 miles west of Aetna Springs. Comment
  SEINET741775  Rupertia physodes M. F. Wojciechowski, K. P. Steele 2000-5-20 890 Napa Along CA highway 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  RSA202411  Salix breweri Edward L Smith 1967-5-7 s.n. Napa Butts Creek, below small reservoir at upper (NW) end of Butts canyon where road from Pope Valley enters the canyon. 6.9 miles NW of Pope Valley. 213 Comment
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Sep 28 2012
  UC482103  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 a Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UCD102771  Salix breweri Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
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Jul 22 2018
  UCD148846  Salix breweri Ellen Dean; Diana Hickson 2014-4-29 8149 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 462 Comment
  POM219053  Salix exigua Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 33 Napa About 2 km W of Calistoga. On main highway in roadside ditch. Comment
  RSA26496  Salix exigua L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  UC482102  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 33 Napa ca. 2 km. w Calistoga (on main hwy) 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-BC108193  Salix hindsiana Ira L. Wiggins 1932-3-12 5755 Napa North fork of the Napa River, 1 mi. N. of Calistoga Comment
  JEPS38433  Salix laevigata W. L. Jepson 1922-10-22 9840 Napa Conn Creek Napa Valley 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
  POM220467  Salix lasiolepis Carleton R. Ball, Harold E. Parks 1931-2-17 17 -b Napa 1 mile NW 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
  CAS-BOT-BC176909  Salsola tragus Peter H. Raven 1952-9-14 5186 Napa Napa State Game Farm 121 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
  UCSB24695  Salvia sonomensis McMinn, Howard 1925-5-25 Napa Summit Wooden Valley grade 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
  RSA92950  Sanguisorba minor Peter H. Raven 1951-6-26 3050 Napa E of Napa on Monticello Rd. 61 Comment
  UCD18043  Sanicula bipinnata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 594 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
  UCD19954  Sanicula bipinnata E. A. Dean; Virginia Boucher 2002-2-28 906 Napa Quail Ridge Reserve. Where upper and lower trails meet, just S of powerlines near ridge tip. 274 Comment
  JEPS104481  Sanicula bipinnatifida Jake Ruygt 1994-4-26 3356 Napa Pope Valley near Pope Valley Rd. 256 Comment
  UCD18367  Sanicula bipinnatifida R. Wenk 2000-5-14 2 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  UC658996  Sanicula bipinnatifida Mildred E. Mathias 1938-4-24 1333 Napa e side of Mount St. Helena Mount St. Helena 457 Comment
  JEPS104478  Sanicula crassicaulis Jake Ruygt 1992-4-10 2892 Napa Wild Horse Valley Ranch, meadow north of polo field 478 Comment
  UCD18054  Sanicula crassicaulis Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 607 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCD81388  Sanicula crassicaulis M. Wiesendanger 1927-5-4 680 Napa Near Monticello. Comment
  UCD83670  Sanicula crassicaulis Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 5 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  HSC70624  Sanicula crassicaulis J. M. DiTomaso 1980-6-13 1593 Napa Hwy. 128, 5 mi. NW of junction with Hwy. 121 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
  UCD95923  Sanicula laciniata Ellen Dean; with Clare Loughran 2011-5-20 7056 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  JEPS991  Sanicula laciniata Willis L. Jepson 1893-5-1 14186 Napa Napa River Basin, Upper Napa Valley, Franz Valley Grade Franz Valley Grade; Napa River Basin, Upper Napa Valley, Franz Valley Grade Comment
  JEPS104495  Sanicula tuberosa Jake Ruygt 1992-4-3 2878 Napa Tuteur Ranch, end of Green Valley Rd. 451 Comment
  UC1197076  Sanicula tuberosa J. P. Tracy June 13,1899 - June 17, 1899 411 Napa 3-4 mi e of Angwin's (Head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 365 Comment
  UCD148554  Sanicula tuberosa Jake Ruygt 1979-4-23 550 Napa Napa County; 0.3 mile west of Pope Canyon Rd. Howell Mt. 256 Comment
  UCR43102  Sanicula tuberosa 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
  JEPS43798  Saxifraga californica Mrs. Mary Van E. Ferguson 1919-4-13 211 Napa near Atlas Comment
  UC11762  Saxifraga californica Willis L. Jepson 1893-5-2 13478 Napa Pope Valley Grade from Calistoga; Napa River Basin, Pope Valley Grade Comment
  JEPS8801  Scabiosa atropurpurea W. L. Jepson 1925-9-27 10748 Napa Howell Mountain Comment
  UCD50087  Schoenoplectus acutus var. occidentalis R. Tofsrud 1947-5-3 s.n. Napa Pope Creek. Comment
  CAS-BOT-BC110877  Scirpus microcarpus Peter H. Raven 1952-9-14 5176 Napa Corn Creek E of Yountville 91 Comment
  HSC10894  Scribneria bolanderi J. T. Howell 1940-5-19 15464 Napa Upper St. Helena Creek Comment
  UC1158116  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa 3-4 mi e of Angwins (at head of Moore's Creek, La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  UC1125698  Scrophularia californica A. Lewis 1932-5-17 85 Napa Sarcos Canyon; Napa Quadrangle 152 Comment
  SEINET9303026  Scutellaria californica Ellen Dean, Bibbo, Mark 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berrysea, just W of Monticello Dam. South Decker Canyon Rd, just S of jct with Cut Off Rd. Shady drainage with Quercus douglasii, Quercus wislizeni, and Symphoricarpos. Comment
  UC634870  Scutellaria californica H. L. Mason 1934-4-30 8106 Napa 5 mi s of Putah Creek (tributary of Putah Creek, Napa) Comment
  JEPS129095  Scutellaria tuberosa Jake Ruygt 2016-4-26 6208 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  JEPS62856  Scutellaria tuberosa Willis L. Jepson 1893-5-9 14939 Napa sw of St. Helena (Napa Valley, Niebaum's Dam); Napa Valley, Niebaum's Dam Comment
  CAS-BOT-BC417002  Sedella pumila Rimo Bacigalupi 1947-4-13 2818 Napa Silverado Highway, E side of Napa Valley, 6 mi. SE of Yountville Comment
  SFV12213  Sedella pumila W. R. Russell 1967-5-10 s. n. Napa Just north of Soscol House restaurant, about 2 miles south of Napa State Hospital on State Highway 29. Comment
  UC205176  Sedum radiatum Katharine Brandegee 1909-6-1 Napa Pope Valley grade Comment
  UCD148772  Sedum radiatum Jake Ruygt 2005-4-17 4775 Napa Napa County; 'Cub Valley' south of Bear Valley. 676 Comment
  CAS-BOT-BC63776  Sedum radiatum subsp. radiatum Peter H. Raven 1951-6-10 2912 Napa Crater Region E of Mt. St Helena 762 Comment
  CAS-BOT-BC63833  Sedum spathulifolium David 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-BC69713  Selaginella wallacei John Thomas Howell 1926-3-21 1737 Napa Old toll road to Mt. St. Helena. Comment
  CAS-BOT-BC363359  Senecio aronicoides J. Clausen 1935-5-23 1072 c Napa Howell Mountain, near summit, 6.5 mi. N. of St. Helena Comment
  RSA273383  Senecio eurycephalus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2348 Napa Along Morgan Valley Rd. ca 1.5 mi E of Lake Co. line Comment
  UCD33551  Senecio flaccidus var. douglasii Beecher Crampton 1969-10-14 8521 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  CAS-BOT-BC364214  Senecio sylvaticus Baker 1938-5-4 8972 Napa Levee at Cutting Wharf Comment
  CAS-BOT-BC364215  Senecio sylvaticus Baker 1938-5-1 8993 Napa Cuttings Wharf Comment
  UCD19942  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  CAS-BOT-BC243631  Setaria pumila Peter H. Raven 1952-8-26 5152 Napa Road NE of Buchli Station 30 Comment
  CAS-BOT-BC240158  Setaria verticillata Peter H. Raven 1951-8-21 3879 Napa Lokoya 457 Comment
  UCD167285  Sidalcea calycosa subsp. calycosa Jake Ruygt 1983-5-1 1452 Napa Suscol Ridge near PG and E substation. 22 Comment
  UC1198396  Sidalcea diploscypha Joseph P. Tracy 1938-6-5 15823 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, head Moore's Creek, Howell Mt. 365 Comment
  UC1198398  Sidalcea diploscypha J. P. Tracy 1899-6-14 381 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); head of Moore's Creek, Howell Mountain 365 Comment
  JEPS50083  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  JEPS77785  Sidalcea diploscypha Douglas W. James Jr. 1973-5-5 91 Napa not far from the 4-H camp pool (Las Posadas State Forest); Las Posadas State Forest 335 Comment
  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
  JEPS117023  Sidalcea keckii David Gowen 2008-5-14 918 Napa Berryessa Knoxville Rd. ca. 4.5 miles south of Knoxville Tunnel, near milepost 29. Clayey slopes above west side of Eticuera Creek. 320 Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  JEPS50076  Sidalcea keckii W. L. Jepson 1920-5-25 9041 Napa Knoxville Ridge Knoxville Ridge (ne Napa Co.) Comment
  UCD170452  Sidalcea keckii Daniel Potter; Ninh Khuu 2016-6-8 881 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 562 Comment
  UCD170459  Sidalcea keckii Daniel Potter; Ninh Khuu 2016-6-18 888 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 Comment
  UCD116622  Sidalcea keckii James W. Katberg Jr. 1966-5-11 48 Napa 7 miles southeast of Knoxville, Berryessa Road. Comment
  JEPS110723  Sidalcea malviflora subsp. laciniata Jake Ruygt 1976-4-23 13 Napa .2 miles south of Oak Knoll Ave. on Silverado Trail 19 Comment
  JEPS106736  Silene antirrhina Jake Ruygt 1989-6-3 2360 Napa about 3/4 mile south of Monticello Dam 390 Comment
  CAS-BOT-BC384451  Silene antirrhina Peter H. Raven 1951-6-26 3056 Napa Wooden Valley Grade 304 Comment
  UCD164832  Silene antirrhina Jake Ruygt 2012-5-19 5853 Napa South end of Spanish Valley south of hunting shack. 274 Comment
  UCD37128  Silene laciniata subsp. californica Beecher Crampton 1957-6-4 4095 Napa Napa County, north end of Capell Valley, above Capell Creek. Comment
  UCR212283  Silene multinervia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD148092  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  CAS-BOT-BC364804  Silybum marianum R. E. Frenkel 1963-10-27 300 Napa On embankment of Conn Creek Road at junction with Oakville Cross Road Comment
  UCD47952  Sisymbrium officinale M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 7 Napa McLaughlin UC Reserve. SW of old town of Knoxville, 350 m N of Knoxville-Berryessa Rd. 426 Comment
  UCD138801  Sisyrinchium bellum D. C. Finfrock 1950-4-2 12 Napa 2 miles from St. Helena on road to Pope Valley. Comment
  UCD138833  Sisyrinchium bellum H. Popenoe 1949-5-1 20 Napa on eastern exposure; one mile from Pope Valley on road to St. Helena. Comment
  UCD125728  Sisyrinchium bellum Eric S. Nagy 1990-4-15 001 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  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
  UCSB907  Sisyrinchium bellum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek; about 3 miles east of Chiles Valley Comment
  UC26217  Solanum americanum Willis L. Jepson 1894-11-5 Napa Napa River Basin, St. Helina St. Helina; Napa River Basin, St. Helina Comment
  CDA5926  Solanum americanum J. T. Howell 1975-10-23 51510 Napa St. Helena. 0 Comment
  UCD170147  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  UCD48199  Solanum parishii Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 8 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD126993  Solanum parishii M. R. Wanzer 1948-5-6 11 Napa Putah Creek Canyon, 8 miles west of Winters. Comment
  JEPS110747  Solanum rostratum Jake Ruygt 1996-9-14 3785 Napa 1.9 miles north of Sage Canyon Road on Lower Chiles Valley R 298 Comment
  UC26281  Solanum umbelliferum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UC1280958  Solanum umbelliferum H. E. McMinn 1922-6-7 195 Napa on summit of Howell Mountain Howell Mountain 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
  UCD127080  Solanum xanti Andreas Stohr 1996-4-21 6 Napa along Road 128 near Cold Canyon Preserve. 180 Comment
  CAS-BOT-BC365372  Solidago elongata John Thomas Howell 1933-8-27 11635 Napa Sage Canyon, Napa Range Comment
  JEPS106874  Solidago spathulata Jake Ruygt 1987-7-27 2082 Napa 4.0 miles east of Atlas Peak Rd. on Mont icello Rd. 441 Comment
  UC517539  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11635 Napa Sage Canyon , Sage Canyon (Napa Range) Comment
  RSA474085  Sonchus asper P. H. Raven 1965-5-15 20201 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  CAS-BOT-BC365998  Sonchus asper R. E. Frenkel 1963-10-27 299 Napa In the vinyard north of Oakville Cross Road Comment
  UCD144654  Sonchus asper subsp. asper Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD159465  Sonchus asper subsp. asper D. S. Park 2010-8-13 219 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  UC71007  Sorghum halepense Willis L. Jepson 1894-10-4 Napa Napa Valley Napa River Basin, Napa Valley Comment
  CAS-BOT-BC235379  Spartina foliosa Peter H. Raven 1951-9-9 3908 Napa Slaughterhouse Pt., Napa River 0 Comment
  JEPS106615  Spergula arvensis Jake Ruygt 1977-2-16 128 Napa Big Ranch Rd. at Trancas St., SW corner 13 Comment
  CAS-BOT-BC390280  Spergularia macrotheca var. longistyla Rimo Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser 1 1/2 miles north of Calistoga Comment
  UCD99270  Spergularia marina M. Wiesendanger 1928-4-5 871 Napa near Calistoga. Comment
  JEPS62962  Stachys ajugoides W. L. Jepson 1894-11-7 14960 Napa Asylum Field Napa Comment
  SEINET9367953  Stachys ajugoides var. ajugoides Unknown 1995-9-12 12461 Napa Napa County Comment
  JEPS112629  Stachys ajugoides var. rigida Jake Ruygt 1990-5-19 2557 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29 152 Comment
  JEPS62998  Stachys albens Willis L. Jepson 1897-7-12 14970 Napa Samuel's Springs to Aetna Springs Comment
  HSC99327  Stachys rigida C. B. Wolf 1928-5-3 1821 Napa Hawkins Mt. Inn Camp, Mt. St. Helena Grade Comment
  UCD95970  Stachys rigida var. quercetorum Ellen Dean; with Clare Loughran 2011-5-20 7067 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
  UCD126033  Stachys rigida var. rigida Richard Gritz 1969-5-31 72 Napa near State Highway 121, 3.5 miles south of junction with State Highway 128. 152 Comment
  UCD20023  Stellaria nitens C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1215 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  UC127179  Stephanomeria elata Harley P. Chandler Sep 7 1906-Sep 14 1906 7129 Napa Alta Loma Ranch Howell Mountain 487 Comment
  RSA769213  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above high water line of Lake Berryessa, along the west side of Capell Creek north of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  RSA0008986  Stephanomeria virgata subsp. pleurocarpa Marcus E. Jones 1881-7-6 s.n. Napa St. Helena Comment
  UC35826  Stephanomeria virgata subsp. pleurocarpa Willis L. Jepson 1893-9-23 Napa Upper Napa Valley Napa River Basin Comment
  UCD136457  Stephanomeria virgata subsp. pleurocarpa D. H. Hartmann 1941-9-20 s.n. Napa Putah Canyon. Comment
  JEPS122971  Stipa lepida Jake Ruygt 1995-6-26 3511 Napa About 2 miles south of Lake Hennessey on private road (Talyor). Quad: Yountville. Comment
  JEPS122972  Stipa lepida Jake Ruygt 1982-5-12 1243 Napa American Canyon Road, 0.7 mile east of Flosden Road. Quad: Cordelia. Comment
  JEPS122968  Stipa pulchra Jake Ruygt 1983-3-26 1391 Napa 0.2 mile east of Conn Creek on Conn Valley Road. Quad: Saint Helena. Comment
  UC956567  Streptanthus barbiger Freed W. Hoffman 1948-6-6 2329 Napa Spring Mountain rd North Coast Ranges, St. Helena Reservoir Comment
  JEPS126127  Streptanthus breweri Jake Ruygt 2010-7-5 5666 Napa East of White Point. Detert Reservoir 7.5' Qua. Comment
  OBI14930  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UCD160670  Streptanthus breweri Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8743 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  CAS-BOT-BC61256  Streptanthus breweri C. Etienne 1972-6-11 s.n. Napa Above highway 29 ca. 1 mile south of Napa county line. 762 Comment
  UCD115961  Streptanthus breweri Arthur M. Shapiro 1979-5-14 s.n. Napa Butts Canyon, above Snell Valley Road. Comment
  UC1198806  Streptanthus breweri var. hesperidis Joseph P. Tracy 1902-5-16 1488 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UC956585  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-6-18 1047 Napa Sage Canyon North Coast Ranges Comment
  UCD164556  Streptanthus glandulosus A. Amezcua 1995-4-29 1 Napa Along cut of Berryessa- Knoxville Road, 200 m northeast of intersection with Hwy 128 (near turtle rock). 250 Comment
  CAS-BOT-BC87158  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa Pope Creek Bridge, south of Walters Springs. Comment
  JEPS129170  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2015-4-20 6075 Napa Fernandes/ Land Trust, Snell Peak area. Aetna Springs 7.5' Quad. 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
  UC518934  Streptanthus glandulosus subsp. glandulosus David D. Keck 1933-5-29 2370 Napa s Walters Springs (roadbank); Pope Creek Bridge Comment
  UCD170193  Streptanthus glandulosus subsp. glandulosus Daniel Potter 2015-3-14 764 Napa Knoxville Wildlife Area, along Eticuera Creek east of Berryessa-Knoxville Road at the creek crossing just north of the Zim Zim Falls trailhead. 228 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
  UCD170471  Streptanthus hesperidis Daniel Potter; A Holland, D McNair, H Won, K Battenberg 2016-6-23 900 Napa Knoxville Wildlife Area, west slope of ridge above upper Zim Zim Creek drainange east of Knoxville-Devilhead Road. 572 Comment
  JEPS106598  Streptanthus morrisonii Jake Ruygt 1997-5-3 3844 Napa Sensitive plant canyon, NW of Knoxville site. 402 Comment
  UC939443  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-6-14 1482 Napa outcrop on low saddle 1/4 mi w White's Point (Table Mtn. rd ca 5 mi e of Mountain Mill House) Comment
  JEPS129117  Stylocline gnaphaloides Jake Ruygt 2012-4-28 5839 Napa Crystal Flats, west of Putah Creek. Aetna Springs 7.5' Quad. Comment
  UCD110459  Symphoricarpos mollis Christopher Mallek 2008-1 KX2- 16 Napa Knoxville. 593 Comment
  JEPS40796  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley Comment
  UC87074  Symphyotrichum spathulatum T. S. Brandegee 1888-9-1 Napa Howell Mountain Comment
  JEPS40827  Symphyotrichum spathulatum W. L. Jepson 1939-9-12 19482 Napa 1 mi w of summit, w side Spring Mountain (w of St. Helena) Comment
  UC126551  Tanacetum parthenium Harley P. Chandler Sep 7 1906-Sep 14 1906 7127 Napa Alta Loma Howell Mountain 487 Comment
  CHSC22132  Taraxia ovata Carol G. Getzinger 1964-3-24 8 Napa Buhman Road, 0.2 mi n of Henry Road; at roadside through fields. 152 Comment
  UC1196946  Taraxia ovata Joseph P. Tracy 1933-4-30 12107 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
  UCD83866  Taraxia ovata Ellen Dean; Stephen Rae 2010-3-15 5824 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, upper pasture. 198 Comment
  JEPS65660  Thermopsis californica var. californica W. L. Jepson 1938-5-22 18832 Napa South Fork Butts Canyon Comment
  UC1197483  Thermopsis californica var. californica Joseph P. Tracy 1933-4-30 12103 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UCD108633  Thermopsis californica var. californica C. H. Lamoureux; J. M. Tucker, Roman Gankin 1957-4-11 1211 Napa South side of Lake Hennessy, 1 mile west of junction of State Highway 128 and Pope Valley Road. Comment
  POM20376  Thermopsis californica var. californica C. F. Baker 1902-5-8 3081 Napa Knoxville. Comment
  HSC43964  Thermopsis macrophylla Robert M. Specht 1977-4-11 617 Napa Along drainage of Pocock Creek 500 Comment
  CHSC43429  Thysanocarpus curvipes Lowell Ahart 1976-3-7 1028 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  UC11013  Thysanocarpus curvipes Willis L. Jepson 1893-4-26 Napa La Lomita; Napa River Basin, La Lomita Comment
  UC650402  Thysanocarpus curvipes Ira L. Wiggins 1928-3-24 2866 Napa grade on old road to Lake Co. above Calistoga Comment
  CAS-BOT-BC66486  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6108 Napa 4 miles from Monticello on Wooden Valley Road, Napa Range. Comment
  CAS-BOT-BC66513  Thysanocarpus curvipes Lewis S. Rose 1935-4-18 35099 Napa Steel Canyon. Comment
  RSA0057573  Thysanocarpus curvipes David D. Keck 1931-4-2 1035 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  UC10996  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 Napa plateau n Wooden Valley grade (Napa River Basin); , n of Wooden Valley grade Comment
  UC11021  Thysanocarpus curvipes W. L. Jepson 1893-4-24 30 C Napa hills e St. Helena Comment
  UCD14242  Thysanocarpus curvipes M. A. LeFevre 1974-4-6 53 -4e Napa Along Highway 128 at Monicello Dam on Lake Berryessa. 304 Comment
  UCD41232  Thysanocarpus curvipes Gary Fugle 1976-4-11 11 Napa On west side of road, 3 miles west of Hwy 12P and Hwy 121 junction on Hwy 128. 152 Comment
  UCD74413  Thysanocarpus curvipes Jake Ruygt 1991-5-11 2672 Napa Little Bear Valley near Sugarloaf Mtn. 694 Comment
  RSA122894  Thysanocarpus curvipes var. curvipes B. O. Schreiber 1938-4-24 2496 Napa Wooden Valley Grade, 5.2 miles NNE of Napa 274 Comment
  CAS-BOT-BC66964  Thysanocarpus laciniatus Katharine Brandegee 1909-6-1 s.n. Napa Pope Valley Grade. Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  UCD170300  Thysanocarpus radians Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 840 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 232 Comment
  CAS-BOT-BC67313  Thysanocarpus radians John Thomas Howell 1931-4-2 6107 Napa 4 miles from Monticellos on Wooden Valley Road, Napa Range. Comment
  JEPS667 Image available Thysanocarpus radians W. L. Jepson 1893-4-28 30 n Napa plateau n Mt. George Comment
  JEPS26171  Tonella tenella Joseph P. Tracy 1902-5-14 1444 Napa 1 mi from St. Helena (on Howell Mt road); Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC85165  Torreya californica Alice Eastwood 1915-6-6 4658 Napa Mt. St. Helena Comment
  CAS-BOT-BC85169  Torreya californica Milo S. Baker 1925-1-1 s.n. Napa Mt. St. Helena Comment
  JEPS48375  Torreya californica W. L. Jepson 1924-4-27 10385 Napa Mt. St. Helena at Toll House Mt. St. Helena 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
  UCD159912  Toxicoscordion fremontii Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near and west of Q42 or Q43. 243 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
  UCD170293  Toxicoscordion fremontii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 833 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 428 Comment
  UCD18017  Toxicoscordion fremontii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 562 Napa Napa County. McLaughlin Reserve. Along Knoxville -- Berryessa Rd., just NW of jct. with Devil Head Rd. N side of Knoxville -- Berryessa Rd. 426 Comment
  UCD139880  Toxicoscordion venenosum var. venenosum P. B. Kennedy 1929-5-23 s.n. Napa St. Helena highway to Pope Valley. Comment
  UCD167096  Trichostema lanceolatum Jake Ruygt 2015-8-17 6153 Napa Missimer - Snell Valley Preserve. 181 Comment
  CDA30789  Trichostema laxum V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UC1137621  Trichostema laxum B. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UCD166644  Trichostema oblongum Jake Ruygt 1989-6-17 2371 Napa Bear Valley. 630 Comment
  JEPS120349  Trichostema ruygtii Jake Ruygt 2004-8-7 4642 Napa Green Valley Ranch near Solano County line. Mount George 7.5' Quad. Comment
  UCD166646  Trichostema ruygtii Jake Ruygt 1998-8-15 4105 Napa Atlas Peak Road, Mead Ranch. 487 Comment
  UC1925875  Trifolium Ethel Crum 1931-1 1065 Napa Pope Valley Comment
  UC1925866  Trifolium albopurpureum var. albopurpureum Ethel Crum 1931-1 1061 Napa Pope Valley Comment
  JEPS65845  Trifolium albopurpureum var. dichotomum W. L. Jepson 1893-4-25 13664 Napa w St. Helena (rd to Caux's Cabin); Hoods Peak Range Comment
  JEPS126124  Trifolium angustifolium Jake Ruygt 2009-5-18 5408 Napa American Canyon Road, near Highway 80; north side of road. Cordelia 7.5' Qua. Comment
  JEPS65758  Trifolium bifidum var. bifidum E. K. Crum 1931-4-17 1055 a Napa 1/2 mi n P. O.; Pope Valley Comment
  UCD48976  Trifolium bifidum var. decipiens Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 10 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.; downslope of West Rd. ca. 20 m. 242 Comment
  RSA91562  Trifolium bifidum var. decipiens Unspecified 1931-4-2 6093 Napa 10 miles east of Napa on road to Monticello, Napa Range. Comment
  JEPS122769  Trifolium cernuum Jake Ruygt 2011-5-12 5784 Napa Ridgeview Lane south of Howell Mtn Road. Quad: St. Helena. Comment
  JEPS106799  Trifolium ciliolatum Jake Ruygt 1996-5-4 3648 Napa Butts Canyon Road at James Creek Road; field to SE. 205 Comment
  JEPS65798  Trifolium ciliolatum W. L. Jepson 1924-4-27 10368 Napa Toll House Mt. St. Helena Comment
  UCD117477  Trifolium depauperatum var. depauperatum Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Right next to road. Ca. 0.1 mile northeast from fire station. On north side of road. 518 Comment
  JEPS65837  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-4-28 13738 Napa n Mt. George (plateau) Comment
  JEPS65841  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-24 13739 Napa e St. Helena (hills); Napa River Basin Comment
  UC917166  Trifolium depauperatum var. truncatum D. C. Finfrock 1950-4-6 21 Napa 14 mi from Monticello (Mountain meadow); Pope valley Comment
  UCD38372  Trifolium depauperatum var. truncatum Beecher Crampton 1955-4-4 2390 Napa 2 miles north of Calistoga. Comment
  UCR141074  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa Inner North Coast Ranges, 0.25 mile northwest of Knoxville 457 Comment
  POM182744  Trifolium dichotomum D. D. Keck 1931-4-2 1040 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  UCD117915  Trifolium dubium Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  UCD95680  Trifolium fragiferum Ellen Dean; with Clare Loughran 2011-5-20 7025 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS65885  Trifolium fucatum Willis L. Jepson 1893-4-26 13742 Napa Rutherford Napa River Basin Comment
  UC16802  Trifolium fucatum Jepson 1894-4-24 Napa w St. Helena (trail to Cuax's Cabin) Comment
  JEPS106813  Trifolium gracilentum var. gracilentum Jake Ruygt 1982-4-7 1174 Napa Suscol Plain between Kaiser Steel and HWY 29 (221) 4 Comment
  JEPS129081  Trifolium hydrophilum Jake Ruygt 2016-4-18 6194 y Napa South end Meridian Road, Fairfield. Comment
  UCD164839  Trifolium hydrophilum Jake Ruygt 2012-4-30 5842 Napa Fard property, Tubbs Lane south of Myrtledale, Calistoga. 118 Comment
  JEPS65963  Trifolium microcephalum W. L. Jepson 1924-4-29 10389 Napa Toll House Mt. St. Helena Comment
  POM21662  Trifolium microcephalum C. F. Baker 1909-4-19 1994 Napa Calistoga. Comment
  UCD38821  Trifolium microcephalum Beecher Crampton 1958-4-29 4757 Napa Capell Valley. Comment
  JEPS65981  Trifolium microcephalum W. L. Jepson 1938-5-20 18803 Napa above St. Helena Sanitarium (above vineyard of John Ballentine); Howell Mtn Comment
  UCD109177  Trifolium microdon R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS4361  Trifolium oliganthum Willis L. Jepson 1893-4-24 13697 Napa e St. Helena (in hills) Comment
  JEPS126079  Trifolium pratense Jake Ruygt 1986-5-20 1781 Napa Napa Corporate Park (Suscol Plain). Cuttings Warf 7.5' Quad. Comment
  JEPS106810 Image available Trifolium striatum Jake Ruygt 1993-5-8 3254 Napa Mead Ranch in large meadow NW of horse track 486 Comment
  JEPS106718  Trifolium variegatum Jake Ruygt 1978-4-9 273 b Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UC160934  Trifolium variegatum Joseph P. Tracy 1902-5-17 1524 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  UCD83433  Trifolium variegatum Jake Ruygt 2002-5-25 4427 Napa Devil's Canyon, Archer Taylor Preserve. 536 Comment
  JEPS4406  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-24 13708 Napa hills e St. Helena (to Conn Valley Rd); Napa River Basin Comment
  UCR23914  Trifolium virescens John C. Roos 1939-4-15 279 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  JEPS106688  Trifolium willdenovii Jake Ruygt 1989-4-8 2251 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 377 Comment
  RSA10702  Trifolium willdenovii Carl B. Wolf 1928-5-3 1785 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1197523  Trifolium willdenovii Joseph P. Tracy 1903-5-15 1848 Napa near Calistoga; Napa Valley 91 Comment
  UCD149706  Trifolium willdenovii Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD17969  Trifolium willdenovii Ellen Dean; Kate Mawdsley 2001-4-9 688 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD49028  Trifolium willdenovii A. Collier; D. Caterson and S. Kenady 2002-5-4 4 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  POM182732  Trifolium willdenovii D. D. Keck 1931-4-2 1053 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UC16740  Trifolium willdenovii Willis L. Jepson 1893-4-23 Napa Napa Valley Napa River Basin Comment
  UCD33569  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa Napa County, east slope of Wragg Canyon. Comment
  JEPS113979  Trillium ovatum Jake Ruygt 1977-3-24 158 Napa 2.9 miles NW of Mt. Veeder Road, on Redwood Road. Sonoma 7.5' Quad. Comment
  UCD139913  Trillium ovatum R. H. Miller 1949-4-6 18 Napa beside Highway 12, about 7 miles southeast of Monte Rio. Comment
  JEPS110673  Triphysaria eriantha Jake Ruygt 1979-4-6 479 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 188 Comment
  SEINET13750232  Triphysaria eriantha M. J. Williams 1967-5-7 s. n. Napa Pope Valley. 198 Comment
  JEPS120429  Triphysaria eriantha Jake Ruygt 2010-3-9 5483 Napa Lovell Valley Loop Rd. about 0.5 mi. south of Napa / Sonoma Line. Comment
  UCD123390  Triphysaria eriantha R. L. Smith 1948-5-7 s.n. Napa 3 miles east of Samuel Springs, east branch of Monticello Valley. Comment
  HSC20847  Triphysaria eriantha subsp. eriantha Greg Bos 1963-3-24 45 Napa NW end of Lake Barryesa at Putah Creek 168 Comment
  JEPS3976  Triphysaria pusilla Willis L. Jepson 1893-4-25 21410 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, lower hillsides Comment
  UCD162915  Triphysaria versicolor John Yoder 2015-3-23 s.n. Napa S of Napa, 450 Technology Way. Comment
  JEPS74866  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7511 Napa 4 mi e Pope Valley; e of Pope Valley Comment
  HSC60268  Triphysaria versicolor subsp. faucibarbata R. W. Spjut 1979-4-8 5454 Napa Within Napa city limits just off Hwy. 121 Comment
  JEPS10432  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 21372 Napa Napa City; Napa River Basin, Napa City Comment
  JEPS86221  Triphysaria versicolor subsp. faucibarbata L. R. Heckard 1970-5-4 2447 Napa n side of Kelly Rd 0.5 mi n of CA Hwy 12 near junction of Hwy 12 and Hwy 29 ca 10 mi n Vallejo Comment
  UC1334863  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-6-5 711 Napa on Silvarado trail 5.5 mi n Napa; on Silverado Trail Comment
  UC183045  Trisetum canescens J. P. Tracy 1902-5-15 1459 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek, Howell Mountain 487 Comment
  UCD93501  Trisetum canescens Beecher Crampton 1956-5-25 3455 Napa Head of Markley Canyon. Vaca Mtns. Comment
  JEPS64201  Triteleia hyacinthina W. L. Jepson 1938-5-25 18871 Napa about 4 or 5 mi n Yount School (opposite Rutherford, e side of Napa Valley); Napa Valley Comment
  UC3281  Triteleia hyacinthina Willis L. Jepson 1884-5-4 Napa Little Oak Comment
  UCD170829  Triteleia laxa 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  JEPS58039  Triteleia laxa W. L. Jepson 1923-6-3 9978 Napa e of Yountville Comment
  UC422833  Triteleia laxa H. P. Chandler 1907-5-8 7564 Napa White Sulphur Spr. St. Helena Comment
  UCD161689  Triteleia peduncularis Jake Ruygt 2009-5-22 5412 Napa American Canyon, across road from quarry. 85 Comment
  UCD132723  Ulmus minor Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park. Growing near Grist Mill. 106 Comment
  CAS-BOT-BC91200  Umbellularia californica F. G. Krauss 1893-10-5 s.n. Napa West of Calistoga. Comment
  UCD117761  Umbellularia californica Lisa Arimoto; 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. 404 Comment
  UCD162094  Umbellularia californica Dylan O. Burge 2014-3-15 1491 Napa Mount Saint Helena. Comment
  JEPS36213  Uropappus lindleyi W. L. Jepson 1923-4-29 9891 Napa St. Helena Comment
  JEPS120395  Velezia rigida Jake Ruygt 1998-6-6 4010 Napa About 1/2 mile north of historic Knoxville on Berry[essa]-Kn[oxville Road] Comment
  CDA29780  Veronica americana M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 211 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
  JEPS110577  Veronica americana Jake Ruygt 1986-8-2 1891 Napa .5 mile east of . Kelly Rd. , Fagan's Creek 28 Comment
  JEPS110574  Veronica peregrina subsp. xalapensis Jake Ruygt 1979-4-12 504 Napa .2 mile west of Soscol Ave. on Imola Ave 4 Comment
  POM16867  Vicia sativa C. F. Baker 1903-4-19 1988 Napa Calistoga. Comment
  UCD15486  Vicia villosa Tim Nugent 1984-5-19 3 Napa 10 meters south at creek. 304 Comment
  JEPS106537  Vicia villosa subsp. varia Jake Ruygt 1976-4-12 1 Napa .2 miles east of Silverado Trail on Deer Park Rd. 73 Comment
  JEPS85034  Vicia villosa subsp. varia Larry Heckard and Mary Ashton 1969-5-3 2204 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UCD109154  Vicia villosa subsp. varia M. Sidells 1996-6-1 29 Napa On northeast side of Knoxville Road on southwest side of Lake Berryessa. 280 Comment
  JEPS110806  Viola douglasii Jake Ruygt 1978-3-12 239 Napa .6 mile NE of Butts Canyon on Snell Valley Road 195 Comment
  UCD48237  Viola douglasii A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 19 Napa McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  CDA11439  V