Search Results — 2000 specimen records retrieved (1475 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
  SEINET3195253 Image available Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa Comment
  SEINET12766395  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy 128.; 0 Comment
  SFV8398  Achillea millefolium C. Bornman 1962-5-17 69 Napa About 1 mile west of Lake Berryessa on State Highway 128. North slope. 137 Comment
  UCD37384  Achnatherum coronatum Beecher Crampton 1960-5-2 5492 Napa Napa County, Vaca Mountains, Markley Canyon, 12.2 miles southwest of Winters, 2.7 miles southwest of Monticello Dam, along State Highway 128. Comment
  UCD48568  Achyrachaena mollis Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 14 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. 213 Comment
  UCD167102  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6122 Napa Missimer - Snell Valley Preserve. 177 Comment
  UCD75713  Acmispon americanus var. americanus Jake Ruygt 1986-7-12 1875 Napa Napa River, south of confluence withTulocay Cr. 1 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
  SEINET5327425  Acmispon brachycarpus M. J. Williams 1967-5-7 s.n. Napa Howell Mtn. Between St. Helena and Angwin 198 Comment
  UCD75715  Acmispon grandiflorus var. grandiflorus Jake Ruygt 1989-5-20 2339 Napa About 1 mile north of Mt. Vaca. 804 Comment
  UCD104346  Acmispon parviflorus M. Wiesendanger 1927-5-4 695 Napa Monticello-Napa Rd. 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
  UCD48946  Acmispon parviflorus Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) 'as the crow' flies NW of jct with South Decker Canyon Rd.; along roadside. 243 Comment
  UCD75710  Acmispon strigosus Jake Ruygt 1980-4-1 965 Napa Stags Leap. 213 Comment
  CHSC27761  Acmispon wrangelianus Ethel Pearson 1978-3-24 2 Napa Ca. 2.8 mi w of junction of State Hwy 128 and Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  UCD48950  Acmispon wrangelianus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 13 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. 242 Comment
  UCD35290  Acmispon wrangelianus Beecher Crampton 1955-4-7 2434 Napa Napa County; 7.8 miles north of Monticello. Comment
  UC154128  Adenostoma fasciculatum J. P. Tracy 1905-7-6 2230 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 457 Comment
  UCD112610  Adenostoma fasciculatum L. Flaherty 1991-4-4 s.n. Napa Moskowite Corner. Comment
  UCD49128  Adenostoma fasciculatum A. Collier; D. Caterson and S. Kenady 2002-5-4 5 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 W side of road 1 m. 335 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
  CAS-BOT-BC65664  Adiantum jordanii James L. Reveal 1987-6-7 6397 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road, about 6.5 miles northwest of Vacaville 609 Comment
  UCD137221  Adiantum jordanii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  CAS-BOT-BC65665  Adiantum jordanii Evalina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  CAS-BOT-BC202655  Aesculus californica H. E. McMinn 1922-6-8 171 Napa On summit of Howell Mt. Comment
  POM255858  Aesculus californica Marion Ownbey, Ruth Ownbey 1938-7-9 1701 Napa 6 miles northeast of Napa. Comment
  JEPS104514  Agoseris grandiflora Jake Ruygt 1982-5-1 1303 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  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
  RSA0009530  Agoseris grandiflora Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC29638  Agoseris grandiflora var. grandiflora Will Fottrell 1906-7-1 s.n. Napa Napa Comment
  UC604626  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1938-6-6 15842 Napa bewteen Yountville and Napa City; Napa Valley 30 Comment
  CAS-BOT-BC15371  Agoseris grandiflora var. leptophylla Peter H. Raven 1952-5-31 4123 Napa Hills southwest of Rector Canyon 152 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
  UCD63193  Agoseris heterophylla Jake Ruygt 1980-4-22 840 Napa Napa Valley, Pope Canyon Rd. 0.9 miles west of Walter Springs bridge (old). 195 Comment
  CAS-BOT-BC46057  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa Near the geysers, Calistoga 91 Comment
  UC114099  Agrimonia gryposepala unknown 1888-1 Napa Howell Mt. Comment
  SEINET3916090  Agrostis diegoensis Fred W. Hoffman 1944-7-7 1972 Napa Chaparral, east slope Trinity Road.; 0 Comment
  UCD52144  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD52404  Agrostis exarata B. Crampton 1954-6-25 2012 Napa 3 miles south of Calistoga. Comment
  UCD38719  Agrostis hallii Beecher Crampton 1957-6-4 4109 Napa North end of Capell Valley. Comment
  CAS-BOT-BC138822  Agrostis microphylla Alan A. Beetle 1946-5-7 4257 Napa 2 miles north of Calistoga at Myrtledale Hot Springs. Comment
  CAS-BOT-BC138823  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Meadow, Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCD37941  Agrostis microphylla Beecher Crampton 1962-5-8 6415 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD53032  Agrostis microphylla A. A. Beetle 1946-5-7 4257 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  UCR146401  Agrostis microphylla Beecher Crampton 1954-6-25 2012 Napa Napa Valley, 3 miles south of Calistoga 99 Comment
  CAS-BOT-BC139016  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Northern Coast Ranges. Hills east of Calistoga. 243 Comment
  JEPS123025  Aira caryophyllea Jake Ruygt 1983-4-26 1447 Napa Highway 12 at Sonoma Co. line. Quad: Sonoma. Comment
  CAS-BOT-BC138417  Aira caryophyllea var. capillaris Peter H. Raven 1953-5-2 5383 Napa Hill due east of Yountville. 243 Comment
  JEPS76078  Aira elegantissima W. L. Jepson 1938-5-18 18801 Napa slope above St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  JEPS76079  Aira elegantissima W. L. Jepson 1938-5-18 18801 Napa slope above St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  SEINET12044092  Allium amplectens J. T. Howell 1933-1 11319 Napa Hills E of Napa Comment
  SEINET3883772  Allium amplectens D. W. McNeal 1977-5-18 2032 Napa Beside Pope Valley Rd. 6.1 mi. n. of the jct. of Hwy. #128.; 0 Comment
  JEPS110939  Allium cratericola Jake Ruygt 1979-4-14 515 Napa Oat Hill Mine Road, Twin Peaks 694 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
  RSA0000087  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena. Old crater in sand. 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
  UCD48254  Allium falcifolium K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 4 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 545 Comment
  CAS-BOT-BC469024  Allium falcifolium M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC469028  Allium falcifolium David D. Keck 1933-5-29 2375 Napa 1.3 miles south of Knoxville. Comment
  CAS-BOT-BC469031  Allium falcifolium H. C. Cantelow 1939-4-8 3906 Napa 3 1/2 miles NW of Knoxville Comment
  RSA293012  Allium falcifolium Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 763 Napa Mt St Helena. Comment
  UCD20505  Allium fimbriatum var. fimbriatum E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1078 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
  UCD170359  Allium serra Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-24 858 Napa Knoxville Wildlife Area, north of Nevada Creek. 480 Comment
  UCD167206  Allophyllum divaricatum Jake Ruygt 1979-5-16 600 Napa 5.8 miles east of Monticello Road on Highway 128. 304 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
  JEPS115736  Amaranthus albus Lowell Ahart 2009-10-12 16468 Napa Along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters 133 Comment
  JEPS54291  Amaranthus albus W. L. Jepson 1894-11-5 Napa St. Helena Comment
  JEPS115744  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 133 Comment
  UC12076  Amelanchier alnifolia var. semiintegrifolia Willis L. Jepson 1893-5-8 Napa near Angwin's (Howell Mt); Napa River Basin, Howell Mt. Comment
  JEPS45149  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 a Napa Howell Mt. grade; Napa River Basin Comment
  RSA26269  Amelanchier utahensis J. T. Howell 1940-5-19 15446 Napa Upper St. Helena Creek. Comment
  UC2061508  Ammi majus Dean G. Kelch 2016-7-9 16 .151 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  JEPS35496  Amorpha californica var. napensis W. L. Jepson 1894-10-14 13582 Napa sw Calistoga; Rebecca Ranch 213 Comment
  POM125422  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  UC1199062  Amorpha californica var. napensis Joseph P. Tracy 1899-7-12 390 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  UC13277  Amorpha californica var. napensis Willis L. Jepson 1894-5-1 Napa canyon near Calistoga; Napa River Basin Comment
  CDA15312  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 1 of 2. Comment
  CDA27223  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 2 of 2. Comment
  UCD56009  Ampelodesmos mauritanicus M. Baker 1941-5-1 s.n. Napa Mt. St. Helena. Comment
  UCD119718  Amsinckia lycopsoides H. Popenoe 1949-4-17 12 Napa Putah Canyon, 8 miles west of Winters. Comment
  JEPS126114  Amsinckia menziesii Jake Ruygt 1992-4-7 2893 Napa Southwest corner of Tuteur Ranch, end Green Valley Road. Mount George 7.5' Qua. 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
  UCD170378  Anaphalis margaritacea Daniel Potter; N Khuu 2016-5-8 875 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, west of tributary to Nevada Creek. 277 Comment
  CAS-BOT-BC64137  Ancistrocarphus filagineus John Thomas Howell 1931-4-19 6446 Napa Conn Valley Comment
  UCD148818  Ancistrocarphus filagineus Ellen Dean; Diana Hickson 2014-4-29 8124 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD20723  Angelica californica Mark Bibbo; w/ Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  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
  UCD168522  Angelica lineariloba Stephen P. Rae; A. Solomeshch 2007-5-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS14086  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UC20807  Angelica tomentosa Willis L. Jepson 1893-9-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UC765493  Angelica tomentosa R. F. Hoover 1938-9-23 3861 Napa south fork of Butts Creek Butts Creek 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-BC273165  Anisocarpus madioides L. R. Abrams 1928-5-3 12203 Napa St. Helena Grade Comment
  SBBG8596  Anisocarpus madioides H. and M. Dearing 1939-5-1 3241 Napa St Helena Comment
  JEPS104504  Anthemis cotula Jake Ruygt 1978-6-18 362 Napa In field northeast of Maxwell Bridge, Imola Ave. 3 Comment
  UCD36376  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa Napa County, 8 miles south of Middletown, small meadow along Highway 53. Comment
  JEPS14068  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  JEPS14069  Anthriscus caucalis W. L. Jepson 1936-6-2 17603 Napa e of St. Helena (thickets on bank of Napa River, near bridge on road to St. Helena Sanitarium); Napa River Comment
  JEPS14134  Anthriscus caucalis Mrs. D. O. Hunt May 1908 Napa St. Helena Comment
  UCD168539  Anthriscus caucalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD170280  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 814 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  UC726123  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum A. A. Heller 1940-6-13 15742 Napa w side Mt. St. Helena (near the first turn toward the e on the road leading to the summit) Comment
  CAS-BOT-BC237919  Antirrhinum virga T. S. Brandegee 1883-8-1 s.n. Napa Hills near Calistoga Comment
  CAS-BOT-BC237921  Antirrhinum virga John Thomas Howell 1926-10-3 2197 Napa Summit of Mt. St. Helena Comment
  HSC83239  Antirrhinum virga D. M. Thompson 1983-6-16 334 Napa Napa/Lake Co. line, Twin Peaks Mine area along gravel road next to Bateman Creek, starting at junction of Oat Hill and Livermore Rds. 579 Comment
  JEPS112546  Antirrhinum virga Jake Ruygt 1986-5-18 1775 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Rd. 463 Comment
  JEPS104560  Apocynum androsaemifolium Jake Ruygt 1992-5-7 2940 Napa south of Leoma Lakes, Wild Horse Valley 414 Comment
  UC623309  Apocynum androsaemifolium H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  UCD121272  Apocynum androsaemifolium R. H. Miller 1949-5-28 60 Napa beside Hwy 37, hillslope about 13 miles northeast of Napa. Comment
  CAS-BOT-BC397792  Aquilegia formosa Betty Johnston 1958-6-15 639 Napa 1/4 the mi. above Mt. Mill House, 6.4 mil SW of Middleton Comment
  CAS-BOT-BC397793  Aquilegia formosa Betty Johnston 1958-6-15 639 Napa 1/4 the mi. above Mt. Mill House, 6.4 mil SW of Middleton Comment
  UCD114143  Arabis modesta Glen Holstein 1979-3-22 s.n. Napa Along south side of State Highway 128 at Monticello Dam. 170 Comment
  JEPS83480  Arabis oregana Jake Ruygt 1986-3-29 1675 Napa Hunting Creek, in Knoxville area Knoxville Comment
  CAS-BOT-BC128667  Arbutus menziesii Alice Eastwood 1922-3-25 11005 Napa Calistoga Comment
  JEPS66572  Arbutus menziesii W. L. Jepson 1913-4-15 5308 Napa Howell Mountain 762 Comment
  JEPS66577  Arbutus menziesii W. L. Jepson 1937-4-10 18001 Napa Howell Mountain, Adam and Eve Ridge Adam and Eve Ridge; Howell Mountain, Adam and Eve Ridge Comment
  SEINET265704 Image available Arbutus menziesii Royal D. Suttkus 1967-6-26 67- 30 -1 Napa Clearly Reserves 7.2 mi NW of Pope Valley Comment
  UC650408  Arbutus menziesii Ira L. Wiggins 1928-3-25 2885 Napa 1 1/2 mi ne of Calistoga Comment
  UCSB11771  Arbutus menziesii Haller, John 1961-6-18 Napa Las Posadas State Forest, 1.5 mi. S of Angwin on Howell Mountain Plateau 518 Comment
  CAS-BOT-BC407751  Arceuthobium abietinum W. L. Jepson 1893-1-1 s.n. Napa Conn Valley, Napa River Basin Comment
  JEPS40129  Arceuthobium campylopodum W. L. Jepson Oct. 1893 Napa Conn Valley Comment
  CAS-BOT-BC24162  Arctostaphylos Ira L. Wiggins 1949-4-30 12084 Napa On saddle about 1.5 miles from summit of Mount St. Helena 1066 Comment
  UC549538  Arctostaphylos J. E. Adams 1933-4-4 Napa Mt. St. Helena Comment
  CAS-BOT-BC23954  Arctostaphylos canescens subsp. canescens John Thomas Howell 1926-3-21 1703 Napa Mt. St. Helena along trail to summit Comment
  CAS-BOT-BC23955  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1859 Napa Upper slopes of Mt. St. Helena Comment
  CAS-BOT-BC23963  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helana Comment
  CAS-BOT-BC23980  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11115 Napa Mt. St. Helena Comment
  CAS-BOT-BC23981  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11117 Napa Mt. St. Helena Comment
  CAS-BOT-BC24018  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4563 Napa Crater Country, near Mt. St. Helena Comment
  CAS-BOT-BC24023  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  UC674740  Arctostaphylos canescens subsp. canescens W. K. Fisher 1900-9-9 Napa Mt. St. Helena 853 Comment
  UCD148752  Arctostaphylos canescens subsp. canescens Jake Ruygt 2008-5-3 5319 Napa Napa County; Mt. St. Helena along fire trail, south side. 990 Comment
  CAS-BOT-BC23621  Arctostaphylos crustacea Peter H. Raven 1951-6-26 3052 Napa Wooden Valley Grade 304 Comment
  CDA11148  Arctostaphylos crustacea G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11559 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  LA42166  Arctostaphylos crustacea Lewis S. Rose; 1937-4-4 37017 Napa Wooden Valley Grade, 8 mi. NE of Napa 274 Comment
  CAS-BOT-BC24866  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1930-3-23 4562 Napa About 1 mi. se. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  RSA169360  Arctostaphylos glandulosa subsp. cushingiana L. S. Rose 1964-4-2 64016 Napa 2 miles SW of Angwin. 244 Comment
  SBBG5421  Arctostaphylos glandulosa subsp. glandulosa Milton Workman 1953-3-23 26 Napa Mix Cyn Comment
  SJSU5719  Arctostaphylos glandulosa subsp. glandulosa Lewis S. Rose 1964-4-2 64016 Napa 9 mi SW of Angwin 243 Comment
  UC1120222  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1939-3-18 871 Napa 1 1/2 mi ne Mt. Veeder; Sonoma Quadrangle Comment
  RSA787606  Arctostaphylos manzanita Keith E. Hoffmaster 1946-3-23 1065 Napa Napa range, along Napa-Monticello road Comment
  UC549544  Arctostaphylos manzanita J. E. Adams 1934-4-10 647 Napa Mt. St. Helena Comment
  UCD162097  Arctostaphylos manzanita Dylan O. Burge 2014-3-15 1495 Napa Mount Saint Helena. 760 Comment
  UCD52101  Arctostaphylos manzanita Richard R. 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
  CAS-BOT-BC38916  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1930-3-23 4561 Napa About 1 mile se. of Mt. St. Helena Inn, Near Mt. St. Helena Comment
  CAS-BOT-BC38919  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1926-3-21 s.n. Napa Mt. St. Helena, along trail to summit. Comment
  JEPS68362  Arctostaphylos manzanita subsp. elegans L. R. Heckard 1972-6-26 2996 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  CAS-BOT-BC24286  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-13 15495 Napa About 3 mi. n. of Calistoga on State Highway #29. Comment
  CAS-BOT-BC24289  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-29 76 Napa St. Helena. Comment
  CAS-BOT-BC38731  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-3-23 4555 Napa East of the Toll House near Mt. St. Helena Comment
  CAS-BOT-BC38760  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa wooden Valley Grade Comment
  CAS-BOT-BC38761  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa Wooden Valley Grade Comment
  CAS-BOT-BC38772  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1940-2-14 15495 Napa About 3 miles east of Calistoga, near the foot of the grade up Mt. St. Helena on a steep clay bank. Comment
  JEPS106414  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 1977-1-9 122 Napa .15 miles west of Deer Park Rd. on Hill Avenue 548 Comment
  JEPS122803  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5104 Napa 2.3 miles east of Moscowite corner on Highway 128. QUAD: Capell Valley. Comment
  SBBG19111  Arctostaphylos manzanita subsp. manzanita E. R. Blakley 1956-12-23 2035 Napa 5 mi S of Pope Valley 243 Comment
  UC1005686  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 593 Napa 5 mi e Napa (just n of Mt. George) 228 Comment
  UC2026414  Arctostaphylos manzanita subsp. manzanita Louis C. Wheeler 1952-8-30 6877 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  UC521689  Arctostaphylos manzanita subsp. manzanita Joseph Andorfer Ewan 1933-9-17 8014 Napa Mt. St. Helena road 2 1/2 mi out Calistoga Comment
  CAS-BOT-BC27294  Arctostaphylos stanfordiana Charles Christopher Parry 1887-4-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC43840  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11088 Napa Calistoga Comment
  CAS-BOT-BC43841  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga Comment
  CAS-BOT-BC43855  Arctostaphylos stanfordiana H. E. McMinn 1926-1-2 1630 C Napa Mt. St. Helena Comment
  CAS-BOT-BC43863  Arctostaphylos stanfordiana Alice Eastwood 1915-6-7 4696 Napa Mt. St. Helena Comment
  JEPS49566  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17997 Napa at cross-rift or rock traverse 1/4 mi below summit; Howell Mt., Adam-and-Eve Ridge Comment
  RSA636804  Arctostaphylos stanfordiana G. Gunnarson 1978-3-21 066 Napa 4 miles north on CA 121 past junc. of CA 121 and CA 128. Comment
  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
  UC193330  Arctostaphylos stanfordiana C. C. Parry April 1888 Napa Calistoga Comment
  UC83380  Arctostaphylos stanfordiana C. C. Parry April 1888 Napa Calistoga Comment
  UCR212321  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeshch, Stephen Rae 2007-3-19 s.n. Napa North Coast Range, Northwest of the town of Yountville, along Oakville Grade Road, c. 6 miles west of the intersection with Hwy 29 [onto Dry Creek Road?] Comment
  RSA169361  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles SW of Angwin. 244 Comment
  RSA252160  Arctostaphylos stanfordiana subsp. stanfordiana Gary D. Wallace 1974-12-23 1347 Napa SE of Mt. St. Helena; just N of Robert Louis Stevenson St. Pk, along Hwy 29. 610 Comment
  RSA70890  Arctostaphylos stanfordiana subsp. stanfordiana J. T. Howell 1930-3-23 4559 Napa Near Mt. St. Helena. Comment
  SBBG115367  Arctostaphylos stanfordiana subsp. stanfordiana B. Crampton 1962-5-16 6429 Napa ca. 0.5 mi W of Aetna Springs Comment
  UCD73847  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4982 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 269 Comment
  UCR101766  Arctostaphylos stanfordiana subsp. stanfordiana L. C. Wheeler 1952-8-30 6876 Napa Manganese Ridge: Moore Creek, Howell Mtn Comment
  UC762313  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4914 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  UC763118  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek Comment
  CAS-BOT-BC47452  Arctostaphylos viscida subsp. viscida John Thomas Howell 1931-4-3 6139 Napa Pope Creek Canyon near Walters Springs, Napa Range Comment
  SBBG19110  Arctostaphylos viscida subsp. viscida E. R. Blakley 1956-12-23 2018 Napa trail to Linda Falls, Angwin 426 Comment
  UC1388339  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-9-12 1371 Napa near Black Oak Villa; North Coast Ranges, Butts Canyon Comment
  HSC97524  Aristolochia californica Andrew Joseph Eckert 2001-3-3 7 Napa Alston Park, 1.5 mi. N of Redwood Creek Rd. on W side of Napa Valley 122 Comment
  JEPS32463  Aristolochia californica W. L. Jepson 1939-9-12 19479 Napa York Creek near St. Helena Comment
  UC55942  Aristolochia californica J. P. Tracy 1902-5-20 1561 Napa 3 - 4 mi. e. Angwin's (1 mi. from St. Helena, along Howell Mt. rd., head of Moore's Creek); Howell Mt., Moore's Creek 152 Comment
  JEPS35590  Arnica discoidea L. R. Heckard 1964-6-11 1364 Napa along Cal. 121 about 1/2 mi w of the first road summit e of Napa Comment
  CAS-BOT-BC84952  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa Hills due e. Yountville 152 Comment
  JEPS104540  Artemisia douglasiana Jake Ruygt 1987-7-29 2090 Napa Napa River 50 yds. south of Third St.; east bank 2 Comment
  SEINET258288  Artemisia douglasiana Unknown 1986-9-19 10231 Napa Napa County: in the northern end of the Napa Valley, on the west side of Calistoga. 110 Comment
  JEPS36973  Artemisia douglasiana W. L. Jepson 1894-11-7 Napa Napa City Comment
  SEINET4343123  Artemisia pycnocephala Leila M. Shultz, John S. Shultz 1987-9-16 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  UC22963  Asclepias cordifolia Willis L. Jepson 1894-5-1 Napa St. Helena Napa River Basin Comment
  UCD148095  Asclepias cordifolia Jake Ruygt 1994-4-26 3359 Napa ridge in Pope Valley (Juliana Vineyard); north of Barnett Rd. 256 Comment
  JEPS104578  Asclepias eriocarpa Jake Ruygt 1996-7-13 3767 c Napa south of intersection Butts Can. Rd and James Cr. Rd.(Temple) 210 Comment
  JEPS129152  Asparagus officinalis subsp. officinalis Jake Ruygt 1979-5-23 628 Napa Napa River south of Trancas Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  POM262792  Aspidotis densa J. C. Roos 1938-12-10 286 Napa Blake's Canyon, Howell Mountain 305 Comment
  UC796474  Aspidotis densa Ira L. Wiggins 1949-4-30 12094 Napa ne slopea Mt St Helena (near hwy between Calistoga and Middletown, near Lake Co line) 853 Comment
  CAS-BOT-BC180462  Astragalus breweri Peter H. Raven 1950-5-6 2022 Napa Sulphur Flats & hot springs near Old Faithful Geyser, N. of Calistoga 182 Comment
  CAS-BOT-BC180463  Astragalus breweri Robert F. Hoover 1941-4-26 4920 Napa Between Walter Springs and Pope Valley Comment
  UC424857  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  HSC103505  Astragalus breweri Thomas W. Nelson, Jane Nelson 1981-4-14 6392 Napa Along jeep road past Upper Hunting Creek Campground, where road crosses vernal stream. 366 Comment
  CAS-BOT-BC178660  Astragalus claranus D. O. Hunt 1922-4-19 s.n. Napa Near St. Helena Comment
  JEPS21030  Astragalus claranus W. L. Jepson 1924-4-6 10323 Napa Conn Valley , Conn Valley (Napa Range) Comment
  RSA108878  Astragalus clevelandii H. D. Ripley, R. C. Barneby 1945-6-21 6935 Napa 3 miles north of [Etna?] springs. Comment
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon Comment
  UC764110  Astragalus clevelandii R. F. Hoover 1941-8-24 5577 Napa e side Mt. St. Helena Comment
  UCD170279  Astragalus clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 813 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  JEPS107251  Astragalus gambelianus Jake Ruygt 1993-4-12 3196 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  JEPS54652  Astragalus gambelianus Willis L. Jepson 1893-5-2 13753 Napa Pope Valley grade from Calistoga (Napa River Basin); , Pope Valley grade from Calistoga Comment
  UCD38569  Astragalus gambelianus Beecher Crampton 1956-5-25 3448 Napa Vaca Mtns., Markley Canyon. Comment
  UC70374  Astragalus gambelianus Milo S. Baker 1896-5-8 27 Napa near Four Corners; near Four Corners Comment
  UCD75828  Astragalus gambelianus Jake Ruygt 1989-4-8 2249 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  CAS-BOT-BC193129  Astragalus rattanii var. jepsonianus David D. Keck 1933-5-29 2361 Napa Pope Creek bridge south of Walters Springs 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-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
  UCD56373  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3229 Napa Napa Valley. 1 mile south of Rutherford. Comment
  JEPS104528  Baccharis pilularis Jake Ruygt 1991-9-23 2845 Napa Napa River north of Slaughterhouse Point 1 Comment
  UCD161326  Baccharis pilularis Jake Ruygt 1979-12-16 799 Napa Napa County : Circle Oaks. (Coordinates estimated by label maker at UC Davis). 615 Comment
  CAS-BOT-BC16526  Barbarea orthoceras Paul F. Covel 1940-4-30 1710 Napa CCC - Las Posadas Camp - near Pacific Union College. Comment
  CAS-BOT-BC16529  Barbarea orthoceras Peter H. Raven 1953-5-2 5408 Napa Rector Creek. 396 Comment
  CAS-BOT-BC16532  Barbarea orthoceras G. DeNevers 1982-3-21 1941 B Napa Napa Range Mountains. On west slope of Mount George. Comment
  JEPS106775  Barbarea orthoceras Jake Ruygt 1977-3-7 146 Napa hills east of east end Westgate Dr., Silverado Country Cl. 213 Comment
  JEPS106777  Barbarea orthoceras Jake Ruygt 1986-1-29 1626 Napa .4 miles south of Oak Knoll Ave. on Silverado Trail 21 Comment
  UCR267445  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve; Hunting Creek between Hunting Creek Campground and contractor road 366 Comment
  CDA6268  Bellardia trixago T. C. Fuller 1958-5-1 3729 Napa Northeast corner, Highways 29 & 21, 6 miles south of Napa. 0 Comment
  UCD170441  Bellardia trixago Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 913 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 407 Comment
  CDA13211  Berberis aquifolium var. aquifolium G. F. Hrusa, M. J. Geitner 1996-4-2 12825 Napa North Coast Biodiversity Arena; Cub Valley at summit of the Palisades. Comment
  JEPS106879  Berberis aquifolium var. dictyota Jake Ruygt 1992-3-28 2869 Napa small tributary to Butts Creek, near Berryessa Estates 161 Comment
  JEPS110699  Boisduvalia stricta Jake Ruygt 1982-5-26 1300 Napa Craters region near Robert Louis Steve. Sate Park 762 Comment
  SEINET11104788  Bolboschoenus maritimus Lowell Ahart 2009-10-12 16460 Napa below the high water line of Lake Berryessa, along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  SBBG128576  Bolboschoenus maritimus L. Ahart 2009-10-12 16460 Napa below high water line of Lake Berryessa, along Capell Crk S of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd 133 Comment
  CAS-BOT-BC31396  Bolboschoenus robustus Peter H. Raven 1951-9-9 3900 Napa Slaughterhouse Pt. Napa River 0 Comment
  JEPS112548  Boykinia occidentalis Jake Ruygt 1979-6-28 722 Napa Milliken Canyon, south wall 121 Comment
  UCD159930  Brachypodium distachyon Alice Warrick 2007-4-26 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43-1. 243 Comment
  UCD41325  Brassica rapa Ellen Dean; T. and M. Starbuck 2004-4-3 2003 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. near gate to old town of Knoxville. 396 Comment
  CAS-BOT-BC106271  Brickellia californica H. E. McMinn 1922-8-2 398 Napa Dutch Canyon [Canon] Comment
  JEPS104526  Brickellia californica Jake Ruygt 1982-9-8 1386 Napa Capell Creek 1 mile east of HWY 128, Berryessa-KnoxvilleRd 143 Comment
  RSA247333  Briza maxima Gary D. Wallace 1967-5-27 766 Napa Northwest of St. Helena on Howell Mtn. Rd. 2 mi. west of Pacific Union College. Comment
  CAS-BOT-BC145365  Briza minor Peter H. Raven 1953-5-2 5368 Napa Valley floor east of Yountville. 76 Comment
  RSA10684  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA696325  Briza minor Keith E. Hoffmaster 1939-4-26 941 Napa Near Monticello. Comment
  UCD36947  Briza minor Beecher Crampton 1956-5-25 3475 Napa Southeastern Capell Valley. Comment
  UCD57406  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa Northern Coast Ranges. Howell Mountain. At head of Moore's Creek, 3-4 miles east of Angwin's. La Jota Plateau. 518 Comment
  UCD20727  Brodiaea elegans Ellen Dean; w/ Mark Bibbo 2002-6-17 1104 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. 182 Comment
  JEPS121547  Brodiaea elegans subsp. elegans Adam C. Schneider with Dick O'Donnell 2013-5-26 207 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road Comment
  UCD139130  Brodiaea elegans subsp. elegans J. Buck 1996-6-2 22 Napa Highway 128 by Hennessey Lake on the side of the road. 48 Comment
  RSA376767  Brodiaea elegans subsp. elegans Robert Gustafson, Don Reynolds 1983-6-7 2742 Napa Snell Valley Road, about 1 mile northeast from the jct of Butts Canyon Rd. Comment
  CAS-BOT-BC484196  Brodiaea elegans var. elegans Alice Eastwood 1915-6-5 4633 Napa Calistoga in marsh Comment
  CAS-BOT-BC484200  Brodiaea elegans var. elegans Belle Richardson Jackson 1930-6-8 s.n. Napa On old toll road below Patten's Mt. St. Helena region Comment
  CAS-BOT-BC486434  Brodiaea terrestris subsp. terrestris Alice Eastwood; John Thomas Howell 1938-5-15 5517 Napa Myrtledale Hot Springs Comment
  UCD60269  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of Napa; Howell Mountains, summit of State Hwy. 37. Comment
  UCD95684  Bromus arizonicus Ellen Dean; with Clare Loughran 2011-5-20 7029 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS76092  Bromus carinatus var. carinatus W. L. Jepson 1938-5-24 18849 Napa Plateau n of Four Corners (Napa Range, Howell Mountain); Napa Range, Howell Mountain 762 Comment
  UCD17977  Bromus carinatus var. carinatus Ellen Dean; with Plant Biology 102 class 2001-4-14 702 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  SACT000490  Bromus commutatus M. Wiesendanger 1927-5-4 Napa Comment
  HSC43959  Bromus hordeaceus Robert M. Specht 1977-4-19 690 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS76097  Bromus hordeaceus W. L. Jepson 1938-5-25 18870 Napa Napa Range, Howell Mountain, Bell Canyon Bell Canyon; Napa Range, Howell Mountain, Bell Canyon 579 Comment
  UCD58765  Bromus hordeaceus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD58810  Bromus hordeaceus R. Tofsrud 1949-5-5 s.n. Napa Near Basalt. Comment
  CDA31339  Bromus laevipes D. G. Kelch 2010-5-6 10 .174 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  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
  JEPS75643  Bromus laevipes W. L. Jepson 1936-5-31 17567 Napa Napa Range, Howell Mountain Howell Mountain; Napa Range, Howell Mountain Comment
  JEPS76075  Bromus laevipes W. L. Jepson 1938-5-18 18787 Napa behind the St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  UC1103272  Bromus laevipes Joseph P. Tracy 1904-5-23 2101 Napa Hills e of Calistoga (Northern Coast Ranges); Northern Coast Ranges 243 Comment
  UC766913  Bromus laevipes R. F. Hoover 1941-5-10 5009 Napa between St. Helena and Calistoga Comment
  UCD32906  Bromus laevipes Beecher Crampton 1965-6-17 7410 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD58878  Bromus laevipes Collector unknown 1941-6-1 Napa Road from Napa to Locoya. Comment
  UCD33379  Bromus pseudolaevipes Beecher Crampton 1967-6-20 8133 Napa Napa County, 3 miles north of Moskowite Corner at north end of Capell Valley above Capell Creek on Hwy. 128. Comment
  UCD59612  Bromus rubens Beecher Crampton 1965-6-30 7394 Napa Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  UCD120793  Bromus sterilis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7332 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
  CDA1854  Bromus vulgaris H. Stabo Oct 1961 Napa Diamond Mountain area; Calistoga. 0 Comment
  SBBG21229  Calamagrostis rubescens B. Crampton 1961-6-12 Napa 7 mi E of Napa, Howell Mtn, summit of St Hwy 37 Comment
  UCD18167  Calandrinia ciliata Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  CAS-BOT-BC438472  Calandrinia ciliata Elsa G. Ruckert 1960-4-3 64 Napa 6495 Dry Creek Road, west of house 365 Comment
  CAS-BOT-BC438473  Calandrinia ciliata Peter H. Raven 1954-2-22 6408 Napa Orchard at west end of Saint Helena 60 Comment
  JEPS52607  Calandrinia ciliata Willis L. Jepson 1893-4-27 Napa hills near Veteran's Home; Napa River Basin, Yountville Comment
  UC198936  Calandrinia ciliata C. F. Sonne March, 1884 Napa Napa Valley Comment
  JEPS42826  Callitriche heterophylla var. bolanderi Willis L. Jepson 1893-5-1 13821 Napa near Calistoga (road to Knight's Valley); Napa River Basin, Upper Napa Valley Comment
  POM137263  Callitriche verna C. F. Baker 1903-4-19 1998 Napa St. Helena Comment
  HSC15340  Calochortus amabilis C. B. Wolf 1928-5-3 1787 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  SEINET3884897  Calochortus amabilis Daphne K. Christopher, Hannah I. Stevens; Mark Bibbo 2003-4-12 156 Napa Uc Davis, Stebbins Cold Canyon Reserve. Near main trailhead.; 0 166 Comment
  SJSU9988  Calochortus amabilis J. C. Gibbany 1960-4-30 73 Napa Redwood Rd 7 mi NW of Napa Comment
  UCD170664  Calochortus amabilis 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. 158 Comment
  UCD18163  Calochortus amabilis Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD73382  Calochortus amabilis 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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Nov 1 2011
  CAS-BOT-BC488489  Calochortus amabilis R. Baeigalupi 1925-4-26 1226 Napa hills 1 mi north of Napa Soda Springs Comment
  JEPS61621  Calochortus amabilis W. L. Jepson 1938-5-18 18796 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  POM319489  Calochortus amabilis Patricia Wilder 1965-6-8 3589 Napa Monticello grade ca. 3.3 mi E of Monticello Park and 6.0 mi E of Napa on Calif. 121. 305 Comment
  RSA145271  Calochortus amabilis Simonds 1928-05 SN Napa Browns Valley. Comment
  UC14991  Calochortus luteus J. P. Tracy 1899-6-19 449 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 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
  UCD73515  Calochortus luteus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS61687  Calochortus luteus W. L. Jepson 1943-5-15 20773 Napa 2 mi n Oak Grove School; Berryessa Valley Comment
  RSA49079  Calochortus luteus Verne Grant, Alva Grant 1949-5-22 8723 Napa Along Wooden Valley Road ca. 18 miles from Napa Comment
  IRVC12847  Calochortus pulchellus A. French 1967-5-14 30 Napa 1.0 mi. E of jct Howell Mt Rd and Conn Valley Rd. North Coastal Ranges Comment
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Apr 27 2007
  UCR24142  Calochortus pulchellus John C. Roos 1939-4-18 278 Napa North Coast Range, Pope Valley Grade, Angwin 500 Comment
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Feb 17 2006
  CAS-BOT-BC132622  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa Geysers just NW. of Calistoga, northwestern Napa County 110 Comment
  CAS-BOT-BC132623  Calochortus uniflorus C. F. B. 1903-4-19 1979 Napa Calistoga Comment
  POM182666  Calochortus uniflorus D. D. Keck 1931-4-4 1097 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  UCD167107  Calycadenia fremontii Jake Ruygt 2015-5-23 6112 Napa Missimer - Snell Valley Preserve. 177 Comment
  UC1876230  Calycadenia fremontii Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Rd., 1.3 mi S of Snell Valley Rd. Comment
  UC1876264  Calycadenia fremontii Gerald D. Carr 1972-9-14 734 Napa 1.5 mi E of Howell Mt. Rd. on Conn Valley Rd. 121 Comment
  UC1876266  Calycadenia fremontii Gerald D. Carr 1974-5-28 762 Napa 3.3 mi SE of Howll Mt. Rd. on Conn Valley Rd. Comment
  JEPS122696  Calycadenia multiglandulosa Jake Ruygt 1982-7-18 1373 Napa Deer Park Road at Four Corners. Quad: St. Helena. Comment
  POM298230  Calycadenia multiglandulosa subsp. cephalotes D. D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  CAS-BOT-BC270824  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles N of Spanish Flat on Knoxville - Berryessa Road 152 Comment
  CAS-BOT-BC270828  Calycadenia pauciflora Gerald D. Carr 1972-8-21 728 Napa 2.4 miles E of Butts Canyon Road on Snell Valley Road 182 Comment
  CAS-BOT-BC270831  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles S of Snell Valley Road Comment
  CAS-BOT-BC270837  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lower Lake, northern part of county Comment
  JEPS38587  Calycadenia pauciflora Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa near Knoxville; Clear Lake (Mountain Region) Comment
  UC523514  Calycadenia truncata David D. Keck 1933-11-10 2720 Napa 1 mi n of Yountville Comment
  UCD33684  Calycadenia truncata Beecher Crampton 1971-10-26 8766 Napa 4.7 miles east of Conn Reservoir Dam on State Hwy. 128. Comment
  CAS-BOT-BC271566  Calycadenia truncata subsp. truncata John Thomas Howell 1930-7-13 5344 Napa Lower slopes of Mt. St. Helena Comment
  JEPS40312  Calycanthus occidentalis Willis L. Jepson 1901-8-6 1725 Napa Howell Mt. grade; Napa River Basin Comment
  JEPS40317  Calycanthus occidentalis W. L. Jepson 1910-3-28 4030 Napa sw of Calistoga (Rebecca Ranch Grade); Spring Mountain Range Comment
  SFV5086  Calycanthus occidentalis B. C. Templeton 1957-6-26 s. n. Napa About 1.1 miles east of Calistoga. Comment
  UC126481  Calycanthus occidentalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7133 Napa Alta Loma Ranch; Howell Mountain 487 Comment
  UC1536921  Calycanthus occidentalis Gordon H. True Jr. 1937-6-21 731 Napa near Lokoya Lodge 365 Comment
  UC521695  Calycanthus occidentalis Joseph Andorfer Ewan 1933-9-17 8010 Napa 2.5 mi out Calistoga (Mt. St. Helena summit road); Mt. St. Helena Comment
  JEPS112616  Calyptridium quadripetalum Jake Ruygt 1998-6-6 4014 Napa Road to Hunting Creek campground. 414 Comment
  CAS-BOT-BC221554  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19851 Napa 17.5 km NE of Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  JEPS77949  Calystegia collina subsp. collina Edward Lee 1936-3-15 1816 Napa Butt's Canyon, from Rutherford to Pope Valley Comment
  UC23185 Image available Calystegia collina subsp. collina Willis L. Jepson 1894-5-1 Napa Conn Valley, Napa River Basin. Comment
  UCD164834  Calystegia collina subsp. collina Jake Ruygt 2012-6-2 5857 Napa Spanish Valley on south ridge. 350 Comment
  UCD14211  Calystegia occidentalis Dixie Paussa 1974-6-8 104 Napa Napa County; at the end of Griggs Lane, above a reservoir; 91 Comment
  JEPS31634  Calystegia purpurata W. L. Jepson 1938-5-24 18854 Napa betw. Sanitarium and Four Corners (Howell Mtn.); , betw. Sanitarium and Four Corners Comment
  CAS-BOT-BC224631  Calystegia purpurata subsp. purpurata Ira L. Wiggins 1949-4-30 12080 Napa Between Calistoga and Middletown Comment
  JEPS126128  Calystegia purpurata subsp. purpurata Jake Ruygt 2007-11-10 5258 Napa East side of California Blvd., about 0.1 mi. south of Trancas Street, Napa. Napa 7.5' Qua. Comment
  UCD161219  Calystegia purpurata subsp. purpurata Ruygt 1998-5-16 3969 Napa Maggie's Peak, south of Bismark Knob. 603 Comment
  UCD168575  Calystegia purpurata subsp. purpurata Stephen P. Rae; A. Solomeshch 2007-4-10 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  UCD114109  Camelina sativa J. C. Sweet 1917-5-3 s.n. Napa Napa County. Comment
  JEPS122732  Camissonia contorta Jake Ruygt 1991-5-4 2637 Napa Between Fawn Lake and Granite Lake Friesen's Lakes. Quad: St. Helena. Comment
Read comments
Jun 18 2018
  UC20542  Camissonia contorta Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  HSC43993  Camissonia hirtella Robert M. Specht 1977-4-15 668 Napa Near edge of Rd. to Adams Creek 409 Comment
  UC169031  Campanula griffinii Joseph P. Tracy 1905-7-5 2209 Napa on hills at head of Moore's Creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain 365 Comment
  UCD48678  Capsella bursa-pastoris Kook-Hyun Chung; J. Deusterman and C. Ineich M. Hauselt 2001-4-28 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along West Rd., N of jct with S. Decker Canyon Rd. 182 Comment
  CAS-BOT-BC37584  Cardamine californica John H. Thomas 1966-3-22 11531 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 609 Comment
  JEPS53381  Cardamine californica var. integrifolia Willis L. Jepson 1893-3-13 32 e Napa St. Helena , St. Helena (Napa River Basin) Comment
  CAS-BOT-BC37858  Cardamine oligosperma Peter H. Raven 1953-3-29 5216 Napa Hills east of Imola. 121 Comment
  UCD19950  Cardamine oligosperma E. A. Dean; Virginia Boucher 2002-2-28 891 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  HSC33343  Cardaria chalepensis William J. Ferlatte 1972-4-18 1678 Napa Hwy. 128 at mile post 18.19, 0.8 mi. W of junction with Berryessa-Knoxville Rd., N of road 305 Comment
  JEPS53322  Cardaria draba Willis L. Jepson 13398 Napa Napa Valley, Oak Knoll, between Napa and Yountville Oak Knoll; Napa River Basin, Napa Valley, Oak Knoll Comment
  CDA6880  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 Napa State Highway 53 to Middletown, 2.5 miles north of Calistoga. 0 Comment
  UCD38974  Carduus pycnocephalus Beecher Crampton 1961-6-12 5897 Napa Wragg Canyon, Vaca Mts. along State Hwy. 128. Comment
  RSA195342  Carduus pycnocephalus Gilbert Muth 1967-5-19 699 Napa Milliken Dam. 335 Comment
  UC826509  Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa in a canyon NW of Napa Comment
  UCD140208  Carex brainerdii Jack Major 1961-6-13 547 Napa State Highway 128, 3.9 miles northwest of Moskowite's Corners. Comment
  UCD161341  Carex brevicaulis Jake Ruygt 1984-5-19 1560 Napa East slope of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 579 Comment
  SEINET11052782  Carex densa Ellen Dean, Clare Loughran 2011-5-20 7064 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road, west of town of St. Helena. 615 Comment
  SEINET7556714 Image available Carex densa Lewis R. Rose 1935-6-4 35205 Napa E slope Mt St Helena. Comment
  UCD140275  Carex densa L. S. Rose 1935-6-4 s.n. Napa Mt. Helena. Comment
  UCD161751  Carex densa Jake Ruygt 1996-3-30 3540 -b Napa Jameson Vineyards, South Kelly Road. 60 Comment
  CAS-BOT-BC19983  Carex feta Peter H. Raven 1952-5-26 4043 Napa Howell Mountain. 548 Comment
  JEPS121321  Carex globosa Jake Ruygt 2004-5-29 4606 Napa Van Ness Canyon north of wildwood estate. Comment
  UCD164743  Carex leptopoda Jake Ruygt 2014-6-23 6017 Napa Sutro Ranch, Atlas Peak, Fir canyon. 405 Comment
  UCD161789  Carex lyngbyei Jake Ruygt 1999-7-3 4192 Napa end of Green Island Road at river. 2 Comment
  UCD121154  Carex multicaulis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7351 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.2 mile from Fire Station, along dirt road that travels north/northeast from Station. 522 Comment
  CDA37938  Carex nudata D. G. Kelch 2010-5-6 10 .164 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  JEPS81260  Carex nudata Edward Lee with A. Carter and E. Crum 1936-3-15 1807 Napa 8 mi out Rutherford (on Rutherford-Pope Valley road) Comment
  CAS-BOT-BC119515  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  UCD63854  Carex serratodens Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  UCD161750  Carex subbracteata Jake Ruygt 1996-3-17 3523 Napa Highway 29 at Heitz Way, south of Calistoga. 94 Comment
  CAS-BOT-BC116769  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa Crater Region E of Palisades. 762 Comment
  UC1023493  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa e Palisades; Crater Region 762 Comment
  UC577191  Carex subfusca Lewis S. Rose 1935-6-4 35206 Napa e slope Mt. St. Helena Comment
  RSA734130  Castilleja Keith E. Hoffmaster 1946-3-23 1242 Napa Napa range, along Napa-Monticello road. Comment
  JEPS35587  Castilleja L. R. Heckard 1964-6-11 1367 Napa near Conn Park (along State Hwy 128, at w edge of Lake Hennessey); Lake Hennessey Comment
  JEPS82032  Castilleja Catherine Best 1983-4-28 Napa about 6.5 mi from Atlas Peak Road intersection of Monticello Road (field on se side of Atlas Peak Road) Comment
  CAS-BOT-BC249079  Castilleja affinis Peter H. Raven 1964-5-9 19051 Napa Along dirt road 2 miles west of Aetna Springs Comment
  UCD122147  Castilleja affinis K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forest. 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
  UC1301210  Castilleja affinis subsp. affinis Helen K. Sharsmith 1963-4-20 5355 Napa above Wooden Valley (on Monticello, e side of Napa Range); San Francisco Bay Region, Napa Range 243 Comment
  JEPS110631  Castilleja ambigua subsp. ambigua Jake Ruygt 1985-5-18 1598 Napa Foss Valley 435 Comment
  CAS-BOT-BC435519  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5793 Napa Giles Mead Ranch, W of Atlas Peak Rd., 2.4 km S of Foss Valley 487 Comment
  JEPS103917  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7834 Napa 3 mi N of Angwin, along Ink Gade Rd. Comment
  JEPS57375  Castilleja applegatei subsp. martinii L. R. Heckard and T. I. Chuang 1968-6-18 1941 Napa 1 mi below Ink Grade junction with Howell Mt. road (Ink Grade, ne of Angwin) 457 Comment
  UCD67493  Castilleja applegatei subsp. martinii D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  JEPS4833  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4129 Napa Exactly 1 mile south of summit (St. Helena summit) of State Highway no. 29. Comment
  RSA97987  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  UC1008312  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1951-6-3 3359 Napa road from Calistoga to Middletown (about 3/4 of the way up to the road summit); Mt. St. Helena Comment
  UCD122290  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  CHSC114025  Castilleja applegatei subsp. pinetorum Richard R. Halse 2013-3-27 8753 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  JEPS9970  Castilleja attenuata W. L. Jepson 1944-5-21 27528 Napa w base Adam-and-Eve Ridge; Howell Mountain Comment
  UC124333  Castilleja attenuata C. F. Baker 1903-4-19 1993 Napa Calistoga Comment
  JEPS122741  Castilleja densiflora subsp. densiflora Jake Ruygt 2011-5-28 5798 Napa West of Atlas Peak Road, 0.6 mi SW of Foss Valley. Quad: Yountville. Comment
  UC673442  Castilleja densiflora subsp. densiflora A. E. Borell 1928-4-13 114 Napa 10 mi s Petaluma Comment
  UCD122442  Castilleja exserta P. B. Kaufman 1950-4-7 27 Napa Putah Canyon. Comment
  JEPS85018  Castilleja exserta subsp. exserta Larry Heckard and Mary Ashton 1969-5-3 2226 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd, above and w of the meadow) 510 Comment
  JEPS17096  Castilleja exserta subsp. exserta Rimo Bacigalupi with John Dawson 1955-4-25 4845 Napa junction of State Highway 37 State Highway 128 ((Soda Creek and Conn Creek roads)); Inner North Coast Ranges 112 Comment
  CHSC31987  Castilleja foliolosa L. Ahart 1976-3-7 1018 Napa On steep hillside ca. 1/4 mi s of the rd, ca. 2 mi sw of Monticello Dam. 152 Comment
  HSC72429  Castilleja foliolosa J. P. Smith, J. O. Sawyer 1970-5-17 3780 Napa 8 mi. N of Pope Valley Comment
  UCD122555  Castilleja foliolosa D. S. Totah 1948-3-18 3 Napa Putah Canyon. Comment
  UCD18159  Castilleja foliolosa Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  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
  UCD117763  Castilleja lacera Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. Adjacent to serpentine slope. 386 Comment
  CAS-BOT-BC241284  Castilleja latifolia Peter H. Raven 1954-2-22 6416 Napa Hills n. of White Sulphur Ck., W. of Saint Helena 152 Comment
  JEPS3860  Castilleja minor subsp. spiralis W. L. Jepson 1938-9-24 19026 Napa n of Pope Valley (Canyon of James Creek); James Creek 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
  UCD123048  Castilleja rubicundula subsp. lithospermoides Gerald D. Carr; R. F. Denno 1971-5-13 544 Napa Roadside field, 1.0 mi N of jct. of Lower Chiles Valley Rd. with Calif. 128, on Lower Chiles Valley Rd. Comment
  SBBG7065  Castilleja rubicundula subsp. lithospermoides H. and M. Dearing 1939-5-3 3273 Napa Napa County [no specific locality] Comment
  JEPS58624  Castilleja subinclusa subsp. franciscana Willis L. Jepson 1894-11-5 Napa Bottle Mt. Napa River Basin, St. Helena Comment
  UCD47950  Caulanthus lasiophyllus J. Pierner; S. Burgess, A. Hufton, A. Ryan, and B. Takahashi 2000-4-29 15 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 640 Comment
  JEPS42323  Ceanothus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
Read comments
Jan 18 2009
  JEPS110721  Ceanothus confusus Jake Ruygt 1977-3-27 163 Napa Mt. St. Helena 944 Comment
  CAS-BOT-BC48939  Ceanothus cuneatus Alice Eastwood 1915-6-5 4568 Napa Petrified Forest Comment
  CAS-BOT-BC48944  Ceanothus cuneatus Frank A. Leach 1921-3-1 s.n. Napa hills back of Napa asylum Comment
  CDA11901  Ceanothus cuneatus G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 A Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  HSC18269  Ceanothus cuneatus Greg Bos 1963-3-24 69 Napa NW end of Lake Berryesa at Patrick Creek 473 Comment
  POM136486  Ceanothus cuneatus Alice Eastwood 1922-5-4 11281 Napa Mt. St. Helena. Comment
  UCD111778  Ceanothus cuneatus Loren Ruport 1996-4-14 9 Napa City of Napa, near Napa College South of Kaiser Road and West of Highway 129. 5 Comment
  JEPS42095  Ceanothus cuneatus var. cuneatus Willis L. Jepson 1893-5-1 13990 Napa nw Calistoga (Franz Valley grade, on divide) Comment
  UC483312  Ceanothus cuneatus var. cuneatus Ira L. Wiggins 1932-3-12 5766 Napa hillside between Franz Valley and Calistoga Comment
  UCR101771  Ceanothus dentatus L. C. Wheeler 1952-8-30 6874 Napa Manganese Ridge: Moore Creek, Howell Mtn Comment
  CAS-BOT-BC49785  Ceanothus divergens John Thomas Howell 1941-4-5 16162 Napa Franz Valley Comment
  CAS-BOT-BC64440  Ceanothus divergens John Thomas Howell 1941-3-9 16154 Napa W. of Rutherford. Comment
  CAS-BOT-BC64441  Ceanothus divergens John Thomas Howell 1941-6-21 16320 Napa Hills sw. of St. Helena. Comment
  POM273093  Ceanothus divergens Milo S. Baker 1939-3-22 s.n. Napa 1.1 mile west of Calistoga-Napa Hwy 1 at a point 1.1 mile south of Calistoga at upper end of small fruit ranch Comment
  RSA26416  Ceanothus divergens J. T. Howell 1941-4-5 s.n. Napa Franz Valley Comment
  UCD73843  Ceanothus divergens Ellen Dean; S. Rae 2008-5-21 4978 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  HSC18280  Ceanothus foliosus C. B. Wolf 1928-5-4 1852 Napa Mt. St. Helena Comment
  RSA169356  Ceanothus foliosus L. S. Rose 1964-4-2 46018 Napa 2 miles SW of Angwin. 244 Comment
  RSA261717  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
  UC1070629  Ceanothus foliosus A. E. Wieslander 1931-5-11 184 Napa n slope Mt. St. Helena (n of Calistoga.); Calistoga quad. 731 Comment
Read comments
Aug 15 2010
  UC18323  Ceanothus foliosus Edw. L. Greene 1892-4-23 Napa Mt. St. Helena Comment
  UCD112127  Ceanothus foliosus Ray Prag 1971-1-31 180 Napa near Las Posadas State Forest. Comment
  CAS-BOT-BC50879  Ceanothus foliosus var. foliosus Peter H. Raven 1951-5-26 2891 Napa Howell Mtn. to St. Helena 243 Comment
  CAS-BOT-BC50921  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12260 Napa Mt. St. Helena trail Comment
  UCD112135  Ceanothus foliosus var. foliosus M. Wiesendanger 1928-4-5 s.n. Napa Monticello Road. Comment
  UCD112139  Ceanothus foliosus var. foliosus Ray Prag 1970-6-9 s.n. Napa Deer Park Road, 3.8 miles east of Silverado Trail. Comment
  UCD73422  Ceanothus foliosus var. foliosus Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC63749  Ceanothus incanus Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC50794  Ceanothus integerrimus Brandegee 1889-6-1 20 Napa Toll House, Mt. St. Helena Comment
  SBBG50584  Ceanothus integerrimus C. Laning 1973-4-21 108 -54 Napa 7 mi N of Pope Valley Post Office on Butts Cyn Rd Comment
  UCD162738  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1625 Napa Butts Canyon Road, roadside. 222 Comment
Read comments
Dec 8 2016
  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
  UCD170258  Ceanothus integerrimus D. O. Burge 2016-10-22 2182 Napa Roadside on Butts Canyon Road. 210 Comment
  UCD170259  Ceanothus integerrimus D. O. Burge 2016-10-22 2183 Napa Hunting Creek Camp, Hunting Creek watershed. 325 Comment
  UCD21539  Ceanothus integerrimus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 3 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next to first stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  UCD169651  Ceanothus integerrimus Jake Ruygt 2010-5-6 5546 Napa Snell Valley Road ant [sic] Butts canyon Rd. 198 Comment
  CAS-BOT-BC50641  Ceanothus jepsonii John Thomas Howell 1939-4-30 14633 Napa Walter Springs Comment
  UCD112070  Ceanothus jepsonii J. Street 1950-4-25 s.n. Napa Pope Valley in Oak Woodland. Comment
  JEPS110860  Ceanothus jepsonii var. albiflorus Jake Ruygt 1976-4-15 11 Napa 2.4 miles west of Butts Canyon Rd. on Aetna Springs Rd. 329 Comment
  JEPS79564  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  RSA753878  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2007-6-12 DOB 940 c Napa Mayacmas Mts., at roadside on Livermore Road, near Rattlesnake Spring. 0.6 road miles (1.0 km) W of SR 29, 10.5 km 356 degrees (True) NNW of Calistoga. 535 Comment
  UC1278730  Ceanothus jepsonii var. albiflorus G. L. Stebbins Jr. 1948-5-9 3934 Napa W side of Steel Canyon, 8 mi S of Monticello, on road to Napa Comment
  CAS-BOT-BC51563  Ceanothus oliganthus var. sorediatus David D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, West base of Napa Range, 4.5 miles NE. of Napa 90 Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  UCD112319  Ceanothus oliganthus var. sorediatus M. Van Rensselaer 1938-4-26 s.n. Napa Wooden Valley Grade. Comment
  UCD112326  Ceanothus oliganthus var. sorediatus J. E. Street 1950-4-24 s.n. Napa 8 miles north of Wooden Valley. Comment
  CAS-BOT-BC53214  Ceanothus parryi Brandegee 1890-4-1 20 Napa Toll House & Mt. St. Helena Comment
  CAS-BOT-BC53215  Ceanothus parryi David D. Keck 1931-4-2 1012 Napa Foot Wooden Valley Grade, west base of Napa Range, 4.5 miles NE of Napa 90 Comment
  JEPS42242  Ceanothus parryi W. L. Jepson 1938-5-22 18820 Napa Limekiln Creek Canyon Pope Valley (lower slopes) Comment
  JEPS42393  Ceanothus parryi W. L. Jepson 1894-10-14 14024 Napa nw Calistoga (Rebecca Ranch grade) Comment
  SBBG4433  Ceanothus parryi H. and M. Dearing 1939-3-2 3259 Napa Dry Crk Rd Comment
  UC1071246  Ceanothus parryi A. E. Wieslander 1934-2-24 366 Napa Spring Mountain Calistoga Quadrangle Comment
  UC1299537  Ceanothus parryi Freed W. Hoffman 1947-3-20 941 Napa East side of Napa Range on Trinity Road Comment
  UC79859  Ceanothus parryi Katharine Brandegee 1889-4 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC79860  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC80041  Ceanothus parryi Katharine Brandegee June 1889 21 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UCD112492  Ceanothus parryi Beecher Crampton 1960-5-17 5540 Napa 6 miles west of Oakville. Comment
  RSA52656  Ceanothus prostratus var. occidentalis I. L. Wiggins 1949-4-30 s.n. Napa 1.5 miles from summit of Mt St. Helena 1067 Comment
  CAS-BOT-BC52190  Ceanothus purpureus H. E. McMinn 1923-5-25 964 A Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52191  Ceanothus purpureus H. E. McMinn 1923-5-25 964 B Napa Summit Wooden Valley Grade Comment
  JEPS2522 Image available Ceanothus purpureus W. L. Jepson 1893-4-28 Napa mountains n Mt. George; Napa River Basin; Mts. N of Mt. George, Napa River Basin Comment
  POM230537  Ceanothus purpureus Alice Eastwood, John T. Howell 1937-4-4 s.n. Napa Wooden Valley Grade Comment
  RSA293486  Ceanothus purpureus C. W. Tilforth, J. Dourley 1979-7-22 1853 Napa Along Wooden Valley Road, NE of Napa Comment
  SEINET10778154  Ceanothus purpureus Dylan O. Burge 2007-5-4 Burge DOB 904 d Napa Wooded Grade, north-east of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles (5.3 km) east of Atlas Peak Road or 2.3 road miles (3.7 km) west of Wooded Valley Road, at mile marker 13.88, 9.28 km 46 deg. (True) ENE of Napa. 360 Comment
  UC1347203  Ceanothus purpureus Alice Eastwood and John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade Comment
  SEINET13946225 Image available Ceanothus purpureus Peter H. Raven 1950-1 1768 Napa Wooden valley Grade above napa. Alt. ca 1500 ft 457 Comment
  JEPS110662  Ceanothus sonomensis Jake Ruygt 1991-4-5 2619 Napa 1/2 mile south of Hogback Mtn. along ridgeline 402 Comment
  UCD112700  Ceanothus sonomensis Heidi E. M. Dobson 1978-4-2 294 Napa East slope of Mt. Veeder. Comment
  UC79913  Ceanothus velutinus T. S. Brandegee 1889-4 3 Napa Toll House Mt. St. Helena Comment
  CAS-BOT-BC272112  Centaurea cyanus Peter H. Raven 1951-6-26 3051 Napa Wooden Valley Grade 121 Comment
  JEPS106532  Centaurium muehlenbergii Jake Ruygt 1982-6-21 1337 Napa Suscol plain between Kaiser Steel and HWY 29 (221) 4 Comment
  UC1198632  Centaurium muehlenbergii Joseph P. Tracy 1899-7-12 436 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  UC1198628  Centaurium trichanthum Joseph P. Tracy 1938-6-5 15829 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, Moores Creek 396 Comment
  UC22707  Centaurium trichanthum H. N. Bolander 1863-9-20 2652 Napa Pope Valley Comment
  JEPS46940  Centaurium trichanthum W. L. Jepson 1930-10-19 15699 Napa Butts Canyon, ne Napa Co Butts Canyon Comment
  JEPS46941  Centaurium trichanthum W. L. Jepson 1897-7-12 14638 Napa Samuels Springs to Aetna Springs Comment
  SEINET10741264 Image available Centaurium trichanthum Charles C. Parry Parry s.n. Napa Calistoga. Comment
  UC1222140  Centaurium trichanthum Joseph P. Tracy 1950-8-11 19302 Napa between Napa City and Yountville; Napa Valley, Calistoga Hot Springs 30 Comment
  JEPS106656  Centromadia fitchii Jake Ruygt 1986-9-6 1914 Napa Trancas St. at Villa Lane 12 Comment
  UCD160770  Centromadia fitchii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8640 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  UCD164738  Centromadia fitchii Jake Ruygt 2014-7-7 6024 Napa Snell Valley, Missimer Wildflower Preserve. 178 Comment
  UCD63163  Centromadia fitchii Jake Ruygt 1981-7-23 1077 Napa Tully Canyon. 158 Comment
  CAS-BOT-BC272832  Centromadia parryi subsp. parryi C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  UC894336  Centromadia parryi subsp. parryi Alice Eastwood 1918-9-3 7960 Napa Calistoga Comment
  UC990568  Centromadia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Napa Calistoga Warm Springs Comment
Read comments
Aug 31 2011
  JEPS33817  Centromadia parryi subsp. parryi C. C. Parry 1881-7-1 129 Napa Calistoga Comment
  CAS-BOT-BC279257  Centromadia pungens subsp. pungens David D. Keck 1933-11-10 2725 Napa 6 mi. S. of Napa Comment
  JEPS112624  Centunculus minimus Jake Ruygt 1995-6-5 3486 b Napa Taylor driveway, about 1.5 miles south of Lake Hennessey. 411 Comment
  CAS-BOT-BC222945  Cephalanthus occidentalis H. E. McMinn 1922-8-2 360 Napa Putah Canyon Comment
  UCD73508  Ceratophyllum demersum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC135487  Cercocarpus betuloides var. betuloides Peter H. Raven 1950-6-20 2359 Napa Napa Range between Conn Valley and Howell Mtn. Comment
  CHSC114041  Cercocarpus betuloides var. betuloides Richard R. Halse 2013-3-27 8754 Napa Along State Hwy. 128 ca. 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners. 239 Comment
  JEPS45528  Cercocarpus betuloides var. betuloides Willis L. Jepson 1893-5-22 13868 Napa E of Calistoga (Pope Valley grade near the Palisades); Napa River Basin Comment
  UC187521  Cercocarpus betuloides var. betuloides Katharine Brandegee July 1910 Napa e of Angwin (Howell Mountain); Howell Mountain 914 Comment
  UC859435  Cercocarpus betuloides var. betuloides Alice Eastwood, John Thomas Howell 1937-4-4 3831 Napa Grade e of Napa (Wooden Valley); Wooden Valley Comment
  UCD70463  Chaenactis glabriuscula var. glabriuscula B. Wengeler 1995-4-30 s.n. Napa West of city of Winters, 2 m N of hwy 128 along Knoxville Rd. 183 Comment
  CAS-BOT-BC284570  Chaenactis glabriuscula var. heterocarpha David D. Keck 1931-4-3 1063 Napa 8 miles NW of Monticello, Pope Creek Canyon Comment
  JEPS34137  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1897-6-2 Napa Conn Valley Comment
  JEPS41082  Chaenactis glabriuscula var. heterocarpha Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9093 Napa 1/2 mi se Devilhead Road (from Knoxville to Cedar Valley) (headwaters of creek); Zim Zim Creek 487 Comment
  RSA92928  Chamaesyce serpillifolia P. H. Raven 1951-6-24 3011 Napa Napa to Brown's Valley. 61 Comment
  CHSC103012  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS106426  Chamaesyce serpillifolia subsp. serpillifolia Jake Ruygt 1991-6-29 2761 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 115 Comment
  SEINET10844555  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 Ahart 16437 -A Napa T8N, R3E, east border of southwest 1/4 Section 30. Normal size plant, on dry bare soil, below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3-4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC1537004  Chamaesyce serpyllifolia Gordon H. True 1937-7-30 826 Napa near Aetna Springs 365 Comment
  CAS-BOT-BC462546  Cheilanthes Alice Eastwood 1922-5-4 11269 Napa Mt. St. Helens Comment
  JEPS103980  Cheilanthes covillei Jake Ruygt 1998-4-18 3924 b Napa Blue Ridge about 1.5 mile north of Mays Flat 731 Comment
  JEPS116553  Cheilanthes covillei Jake Ruygt 2003-3-22 4478 Napa Snell Valley/Missimer Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UCD20503  Cheilanthes intertexta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1074 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
  JEPS106846  Chenopodium berlandieri Jake Ruygt 1998-8-26 4107 Napa Big Ranch Road about 1/2 mile south of El Centro Ave. 16 Comment
  UCD148777  Chenopodium californicum Jake Ruygt 2005-2-12 4695 Napa Napa County; Berryessa Knoxville Road at south entry into Knoxville Wildlife Area. 234 Comment
  JEPS106741  Chenopodium macrospermum var. halophilum Jake Ruygt 1993-10-24 3291 Napa near Fagan Slough. 0 Comment
  CAS-BOT-BC252838  Chorizanthe polygonoides var. polygonoides Peter H. Raven 1951-6-10 2908 Napa Crater Region E of Mt. St. Helena 792 Comment
  CAS-BOT-BC252840  Chorizanthe polygonoides var. polygonoides Catherine Best 1980-4-12 s.n. Napa Rocky area on Stage Coach Canyon Road about 3 1/2 miles NW of Waller's Springs Comment
  JEPS106527  Cicendia quadrangularis Jake Ruygt 1982-5-4 1226 Napa Suscol plain between Steel Mill and HWY 29 (221) 3 Comment
  JEPS24506  Cichorium intybus J. H. Thomas 1960-8-29 8837 Napa about 1 mi n Calistoga (along Highway 53) Comment
Read comments
Sep 7 2012
  UCD38384  Cichorium intybus B. Crampton 1952-11-18 956 Napa About 4 miles n. of Vallejo on road to Napa. Comment
  CAS-BOT-BC285220  Cichorium intybus Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UCD127359  Cicuta douglasii Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  JEPS59306  Cirsium cymosum var. cymosum W. L. Jepson 1938-6-8 18885 Napa w of Pope Valley; South Fork of Butts Creek Comment
  CDA1209  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  UCD63171  Cirsium douglasii var. douglasii Jake Ruygt 1991-8-4 2817 Napa west of Hunting Creek Campground toward Paradise Valley. 289 Comment
  CAS-BOT-BC286576  Cirsium occidentale var. venustum Peter H. Raven 1950-6-20 2328 Napa St. Helena to Conn Valley, Napa Range Comment
  RSA0070870  Cirsium remotifolium J. T. Howell 1941-6-21 16314 A Napa Hills SW of St. Helena. Comment
  JEPS106936  Cirsium remotifolium var. odontolepis Jake Ruygt 1991-5-25 2689 Napa about .1 mile north of Hill Rd. on Howell Mtn. Rd. 551 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
  UCD49182  Clarkia affinis A. Collier; D. Caterson and S. Kenady 2002-5-4 6 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. 335 Comment
  LA45414  Clarkia concinna J. A. Ewan; 1934-4-30 8858 Napa 4 mi. above Samuel Springs, Pope Valley Grade Comment
  CAS-BOT-BC172177  Clarkia concinna W. L. Jepson 1897-6-1 s.n. Napa Napa 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
  JEPS110767  Clarkia concinna subsp. concinna Jake Ruygt 1987-6-5 2021 Napa Wild Horse Valley Ranch, in canyon east of valley 463 Comment
  JEPS43610  Clarkia concinna subsp. concinna W. L. Jepson 1908-5-23 3006 Napa hills e St. Helena Comment
  UCD104543  Clarkia gracilis M. Ensign 1943-5-28 320 Napa 14 miles from Monticello on road to Lower Lake. Comment
  CHSC83403  Clarkia gracilis subsp. gracilis L. P. Janeway; B. Castro 2002-5-12 7537 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  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
  JEPS110765  Clarkia gracilis subsp. sonomensis Jake Ruygt 1976-5-18 90 Napa 1.4 miles west of Madronna St. on Spring Mountain Rd. 152 Comment
Read comments
Aug 15 2010
  POM161349  Clarkia purpurea subsp. quadrivulnera R. C. Bacigalupi 1928-6-20 1857 Napa Howell Mt. 10 miles west of St Helena. Comment
  CAS-BOT-BC163689  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-24 3032 Napa Valley floor e. of Napa 60 Comment
  UCD167274  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 2007-5-19 5189 Napa Las Posadas State Forest, at Recreation Flat. 408 Comment
  UCD167276  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1986-5-10 1759 Napa Devil's Canyon. 591 Comment
  CAS-BOT-BC165609  Clarkia unguiculata David D. Keck 1933-5-29 2353 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS43603  Clarkia unguiculata W. L. Jepson 1923-6-3 9971 Napa Calistoga Napa Valley Comment
  UCD105039  Clarkia unguiculata M. Ensign 1943-5-28 305 Napa 10 miles N of Monticello on road to Lower Lake. Comment
  UCD15612  Clarkia unguiculata Lisa Montany 1985-6-1 30 Napa Highway 128, 3 miles west of Monticello Dam. 213 Comment
  CAS-BOT-BC439131  Claytonia exigua subsp. exigua Ella Dales Cantelow 1939-4-8 2521 Napa 1/2 mi. n.e. of Pacific Union College, Howell Mt. Comment
  RSA195386  Claytonia exigua subsp. exigua Gilbert Muth 1967-4-9 602 Napa Aetna Spring Road. 305 Comment
  CAS-BOT-BC439374  Claytonia gypsophiloides L. R. Abrams 1928-5-3 12241 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC439378  Claytonia gypsophiloides Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  JEPS43324  Claytonia gypsophiloides W. L. Jepson 1910-3-28 4020 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  UCD148798  Claytonia parviflora Ellen Dean; Diana Hickson 2014-4-29 8105 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD48079  Claytonia parviflora subsp. parviflora Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 39 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
  UCD18014  Claytonia parviflora subsp. parviflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 559 Napa Napa County. McLaughlin Reserve. South side of Knoxville-Berryessa Rd., just north of Hunting Creek, SE of Research Hill, by turnout and gate. Joe Callizo calls this area 'Cloaca of Morgan Valley. 609 Comment
  UCD67495  Claytonia perfoliata D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  UCD117482  Claytonia perfoliata subsp. perfoliata Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 8 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  UCD168555  Claytonia perfoliata subsp. perfoliata Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD32567  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa 10 minutes southwest of Monticello, along highway 128. Comment
  CHSC22322  Collinsia grandiflora Robert A. Schlising; Greg Bos 1963-3-30 2473 Napa Coast Ranges. Pope Valley Road, 5.8 miles north of junction with Lower Chiles Valley Road. Comment
  UCD164485  Collinsia heterophylla J. A. Johnston 1995-5-7 10 Napa Next to Hwy 128 approximately 0.5 miles west Markley Cove on Lake Berryessa. 1000 Comment
  UCD49268  Collinsia heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 22 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on South Decker Canyon Rd., between Cut-Off Rd. and Decker Ridge Rd. 228 Comment
  UCD70459  Collinsia heterophylla M. Thibodeau 1995-4-15 9 Napa W of City of Winters, along hwy 128. Quail Ridge Reserve; 15 m N of main cabin. Flowers purple. 274 Comment
  UCD123664  Collinsia sparsiflora M. Wiesendanger 1928-4-5 860 Napa Monticello-Napa Road. Comment
  UCD14918  Collinsia sparsiflora Gail Matson 1977-4-16 22 Napa along Highway 128, 6.4 miles south-west of Monticello Dam; 213 Comment
  UCD36168  Collinsia sparsiflora Beecher Crampton 1952-3-24 1024 Napa 3 miles south of Monticello, along state Highway 128. Comment
  CDA11336  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12046 Napa North Coast Biodiversity Arena; Franz Valley School Rd. approx 1 m E of Napa/Sonoma County line. Comment
  RSA195365  Collinsia sparsiflora var. arvensis Gilbert Muth 1967-3-31 598 Napa Old Howell Mountain road. 457 Comment
  JEPS112529  Collinsia sparsiflora var. collina Jake Ruygt 1982-5-16 1268 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 420 Comment
  RSA79469  Collinsia sparsiflora var. collina Lincoln Constance 1938-3-27 2034 Napa N. slope in Howell Mountains, 5 miles E. of Napa, North Coast Ranges. 457 Comment
  UC614494  Collinsia sparsiflora var. sparsiflora L. Constance 1938-3-27 2038 Napa 5 mi e of Napa (e slope in Howell Mountains, North Coast Ranges); North Coast Ranges, Howell Mountains 457 Comment
  UCD123671  Collinsia sparsiflora var. sparsiflora D. C. Finfrock 1950-4-2 14 Napa 2 miles from St. Helena on Pope Valley Road. Comment
  UCSB9593  Collinsia sparsiflora var. sparsiflora Keator, Glenn 1959-3-28 Napa south end of Lake Hennessy, Napa range Comment
  JEPS7296  Collinsia tinctoria Alice King Jul 1919 Napa Van Ness Ranch , Mt. St. Helena (Mt. St. Helena) Comment
  JEPS100384  Collomia diversifolia Dean W. Taylor 2001-5-15 17659 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS101657  Collomia diversifolia Dean W. Taylor 1998-6-3 16467 Napa dirt rd 0.4 miles N Twin Peak Mine, Bateman Cr drainage 579 Comment
  UC1736677  Collomia diversifolia Dean W. Taylor 1990-5-25 10813 Napa Butts Canyon Road, near junction with Snell Road. 204 Comment
  JEPS6810  Cordylanthus pilosus subsp. pilosus Willis L. Jepson 1894-10-14 21346 Napa Rebecca Ranch grade Calistoga Comment
  UC1196819  Cordylanthus pilosus subsp. pilosus J. P. Tracy 1899-7-6 365 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mt.) 365 Comment
  UC762582  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1941-8-24 5570 Napa east side Mt. St. Helena Comment
  JEPS20326  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1954-9-13 54115 Napa 1 mi w Calistoga 121 Comment
  JEPS6633  Cordylanthus pilosus subsp. pilosus R. F. Hoover 1938-9-23 3859 Napa foothills e St. Helena Comment
  JEPS6821  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa e side Mt. St. Helena Comment
  OBI9574  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
  SD133728  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mile north of Napa and lake county line, on US Highway 29 Comment
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  JEPS50112  Cornus glabrata W. L. Jepson 1899-7-13 14151 Napa Pope Creek Comment
  JEPS50117  Cornus glabrata W. L. Jepson 1924-5-8 10416 Napa e. Napa Co., Pope Creek Comment
  UCD47955  Cornus glabrata Ryan Knox; E. McDermott and G. Walden 2002-4-13 1 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, from Knoxville Creek's bank. 131 Comment
  HSC58986  Cornus nuttallii D. R. Hardy 1972-5-10 Napa Close to the town of Angwin. 366 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
  CAS-BOT-BC180342  Corylus cornuta subsp. californica Alice Eastwood 1923-5-9 11742 Napa Calistoga Comment
  CAS-BOT-BC180343  Corylus cornuta subsp. californica Alice Eastwood 1915-6-5 4653 Napa Calistoga Comment
  JEPS110659  Cotoneaster pannosus Jake Ruygt 2005-6-12 4920 Napa Monticello Road, 0.9 mi E of Atlas Peak Road 79 Comment
  JEPS106393  Crassula aquatica Jake Ruygt 1979-4-19 526 a Napa Suscol hill east of HWY 29 (221) 28 Comment
  UCD73393  Crassula connata 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
  UC1300834  Crassula connata var. subsimplex Helen K. Sharsmith 1963-3-17 5217 Napa s. side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD118566  Crassula tillaea Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. NE of fire station ca. 0.1 mi. on undeveloped road on N side of road. 518 Comment
  JEPS129133  Crassula tillaea Jake Ruygt 2014-4-22 5922 Napa North side of Soscol Creek. Cuttings Wharf 7.5' Quad. Comment
  UC1189969  Crocanthemum scoparium var. vulgare John H. Thomas 1955-5-21 5107 Napa about 6 mi from Napa (near State Highway 37, Sarco Creek drainage); Sarco Creek 243 Comment
  JEPS122997  Crypsis schoenoides Jake Ruygt 1986-6-21 1829 Napa East end of Suscol Road, under the Southern Crossing. Quad: Cuttings Wharf. Comment
  RSA758274  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  UCD59944  Crypsis schoenoides Beecher Crampton 1963-9-19 6898 Napa North end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  RSA0020855  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  CAS-BOT-BC189250  Cryptantha John H. Thomas 1958-4-19 7125 Napa About 2 miles SW of Oakville 152 Comment
  UC1950217  Cryptantha clevelandii Barbara Ertter with Annetta Carter 1989-5-28 8510 Napa near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd, serpentine hills S of road Comment
  CAS-BOT-BC33118  Cryptantha clevelandii var. florosa Charles Fuller Baker 1903-5-8 2966 Napa Knoxville Comment
  CDA10861  Cryptantha flaccida G. F. Hrusa, M. Rejmanek 1993-5-15 10956 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC55909  Cryptantha flaccida J. P. Tracy 1899-6-17 439 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD148934  Cryptantha flaccida Ellen Dean; Diana Hickson 2014-4-29 8146 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD170358  Cryptantha flaccida Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 857 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 456 Comment
  RSA127499  Cryptantha hispidula M. S. Baker 1938-4-29 8939 Napa Serpentine along road from Monticello east of Pope Valley. Comment
  UC1278001  Cryptantha hispidula B. Crampton 1957-6-4 4092 Napa above Capell Creek (n end of Capell Valley); Capell Valley Comment
  RSA170234  Cryptantha hispidula Joseph P. Tracy 1950-5-23 18682 Napa Serpentine ridge near head of Moores Creek, in Las Posadas State Forest. 335 Comment
  RSA74040  Cryptantha intermedia Milo S. Baker 1947-7-7 11848 Napa Near end of wood road leading S from Mt. St. Helena Inn. 915 Comment
  HSC43990  Cryptantha rostellata Robert M. Specht 1977-4-19 684 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  UC175784 Image available Cryptantha torreyana var. calistogae Joseph P. Tracy 1904-5-23 2094 Napa hills e Calistoga; Northern Coast Ranges; hills E of Calistoga, Napa Co. 243 Comment
  JEPS88724  Cupressus macnabiana W. L. Jepson Jul 1897 Napa Samuel Springs to Middleton Comment
  UC1607977  Cupressus macnabiana Donald G. Nelson 1940-8-7 705 Napa ca. 2 mi. n.w. Knoxville (at the sign of the Manhattan Mines); Inner Coast Range Comment
  UC1076280  Cupressus macnabiana H. L. Mason 1924-1-23 1208 Napa Pope Canyon Comment
  CAS-BOT-BC85486  Cupressus sargentii Carl Brandt Wolf 1928-2-25 1507 Napa 3 miles north of summit of Mt. St. Helena grade Comment
  CAS-BOT-BC85489  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 276 Napa Pope Canyon, between Monticello and Pope Valley P.O. Comment
  CDA10848  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11785 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 237 Comment
  CHSC34822  Cupressus sargentii M. S. Taylor; E. Pierce 1981-5-17 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi s of Lake county line. Comment
  JEPS103999  Cupressus sargentii Jake Ruygt 1979-2-25 436 Napa Oat Hill Mine Rd. near Aetna Springs 411 Comment
  JEPS79566  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1822 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  UC1076281  Cupressus sargentii H. L. Mason 1926-1-2 2606 Napa Toll House Canyon Mt. St. Helena Comment
  NY16828  Cupressus sargentii C. B. Wolf 1934-10-17 6196 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET11739562  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -322 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD147461  Cuscuta Ellen Dean; Diana Hickson 2014-4-29 8074 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD167137  Cuscuta howelliana Jake Ruygt 2015-5-23 6108 e Napa West of Buck Mountain. 599 Comment
  UCD170278  Cuscuta howelliana Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 812 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  UC127129  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7123 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS47143  Cuscuta subinclusa W. L. Jepson 1894-11-5 70 b Napa Rural Health Retreat Napa Valley, St. Helena Comment
  SEINET7940323  Cuscuta subinclusa H. P. Chandler 1906-1 7123 Napa Alta Loma Ranch, Howell Mountain. 488 Comment
  RSA195286  Cynoglossum grande Gilbert Muth 1967-4-19 603 Napa Aetna Springs Road. 305 Comment
  SEINET197745  Cynoglossum grande R. C. Bechtel 1952-3-16 19 Napa Putah Canyon Comment
  UCD149701  Cynoglossum grande Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD95967  Cynoglossum grande Ellen Dean; with Clare Loughran 2011-5-20 7062 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 612 Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  CAS-BOT-BC190360  Cynosurus echinatus Peter H. Raven 1952-5-26 4068 Napa Steel Canyon. 304 Comment
  CHSC102251  Cyperus eragrostis Lowell Ahart 2009-10-12 16459 Napa Below the high water mark of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD149603  Cyperus eragrostis Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  RSA757290  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  SEINET4572024  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Lake Berryessa, along Capell Creek NE of Rest Area, about 19 miles (air) west of Winters. 133 Comment
  JEPS121347  Cyperus niger Jake Ruygt 1992-8-18 3130 Napa Wild Horse Valley Ranch, east of Johnson's Meadow. Comment
  UC1563684  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa ca 15 air mi nnw Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  JEPS103989  Cystopteris fragilis Jake Ruygt 1984-3-31 1518 Napa Devil's Canyon 548 Comment
  JEPS103990  Cystopteris fragilis Jake Ruygt 1993-3-6 3167 Napa Skyline Park, Skyline trail. 85 Comment
  CAS-BOT-BC70576  Cystopteris fragilis Peter H. Raven 1957-5-5 10771 Napa western edge of Calistoga 182 Comment
  UCD161700  Damasonium californicum Jake Ruygt 2010-6-7 5600 Napa Crystal Lake, west of Capell Canyon. (Coordinates converted from UTM data by label maker.) 362 Comment
  JEPS75997  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UC657703  Datura wrightii Mrs. Hess 1941-8-27 10170 Napa near bridge at St. Andrews Camp Mt. St. Helena Comment
  UCD159931  Daucus pusillus 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
  JEPS106658  Deinandra corymbosa Jake Ruygt 1988-6-26 2213 Napa 1.3 miles west of HWY 29 on Green Island Road 9 Comment
  UCD161569  Deinandra corymbosa Jake Ruygt 1992-5-18 2969 Napa Alston Park, Dry Creek Road, Napa. 85 Comment
  JEPS129149  Delairea odorata Jake Ruygt 1981-12-26 1091 Napa 0.65 miles NE of Monte Vista on Montecito Drive. Napa 7.5' Quad. Comment
  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
  POM161348  Delphinium hesperium Rimo Bacigalupi 1928-6-20 1856 Napa Howell Mt, 10 miles W of St Helena Comment
  HSC47887  Delphinium hesperium H. Lewis, G. Mehlquist 1941-5-9 Napa Monticello to Napa Rd. 1.5 mi. S of rd. 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
  UCD95839  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S. of road to St. Helena. Comment
  CAS-BOT-BC9812  Delphinium nudicaule John Thomas Howell 1931-4-2 6080 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  UC160908  Delphinium nudicaule Joseph P. Tracy 1902-5-15 1478 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD15024  Delphinium nudicaule K. A. Bear 1978-4-23 33 Napa along Lower Chiles Road, 1.4 miles SW of intersection of Chiles and Pope Valley Roads; 128 Comment
  UCD96061  Delphinium nudicaule G. L. Webster 1967-3-23 7487 Napa Along Chiles Creek c. 1 mi. SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  RSA155464  Delphinium nudicaule L. S. Rose 1961-3-30 61027 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  UC160910  Delphinium patens Joseph P. Tracy 1902-5-15 1475 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  RSA51297  Delphinium patens Peter H. Raven 1950-4-15 1749 Napa Wooden Valley grade above Napa. 457 Comment
  JEPS100274  Delphinium uliginosum Dean W. Taylor 2001-5-15 17648 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS110981  Delphinium uliginosum Jake Ruygt 1978-5-21 331 Napa 6.3 miles north of Sage Canyon Rd. on Chiles and Pope V. Rd 237 Comment
  UC668270  Delphinium uliginosum Joseph P. Tracy 1938-6-5 15831 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek 365 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
  UCD141587  Delphinium uliginosum Ellen Dean 2013-4-27 7708 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  UCD63750  Delphinium uliginosum 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. 500 Comment
  SEINET12093076  Delphinium uliginosum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -326 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC7914  Delphinium variegatum G. L. Stebbins 1967-5-31 6525 Napa On road from Lower Lake to Knoxville, about 0.5 miles Northwest of Napa Co line 655 Comment
  LA207590  Delphinium variegatum H. Lewis; G. Mehlquist 1941-5-9 sn Napa 16.2 mi. N of Monticello Comment
  UC1031436  Delphinium variegatum H. Lewis and G. Mehlquist 1941-5-9 Napa 16.2 mi n Monticello Comment
  JEPS110974  Delphinium variegatum subsp. variegatum Jake Ruygt 1992-5-20 2987 Napa south of Leoma Lakes, Wild Horse Valley Ranch 411 Comment
  UCD170205  Delphinium variegatum subsp. variegatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 752 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  SEINET11687431  Deschampsia cespitosa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -318 Napa along Butts Canyon Rd near jct with Snell Valley Rd enroute to Berryessa Estates along Butts Creek 250 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
  UCD160764  Deschampsia danthonioides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8634 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
  UCD164854  Deschampsia danthonioides Jake Ruygt 2012-4-21 5827 Napa Crystal Flats, west of Putah Creek. 259 Comment
  UC187276  Deschampsia elongata J. P. Tracy 1902-5-19 1552 1/2 Napa 3 - 4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  UCD14948  Dichelostemma capitatum Mark Harder 1977-4-16 4 a Napa California, Napa Co.; 6.4 miles southwest of Monticelo Dam along Highway 128; Comment
  CHSC27760  Dichelostemma capitatum subsp. capitatum Ethel Pearson 1978-3-24 1 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  JEPS110908  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1982-2-24 1107 Napa Calistoga Grade, Mt. St. Helena 350 Comment
  UCD139203  Dichelostemma capitatum subsp. capitatum M. Sidells 1996-4-20 12 Napa next to path, at southwest side of Lake Berryessa, 150 m norhteast of Knoxville Road. 250 Comment
  UCD159913  Dichelostemma capitatum subsp. capitatum Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. Near Q43. 243 Comment
  UCD169882  Dichelostemma capitatum subsp. capitatum Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 728 Napa Knoxville Wildlife Area. 352 Comment
  UCD160771  Dichelostemma congestum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8650 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
  UCD68011  Dichelostemma congestum P. J. Plummer 1995-5-27 s.n. Napa Napa County Highway 128. Ascending, growing on grassy East facing hillside. Flowers, lavendar. 335 Comment
  CAS-BOT-BC502159  Dichelostemma congestum Peter H. Raven 1957-5-5 10773 Napa Hills at the western edge of Calistoga Comment
  SEINET8476739  Dichelostemma ida-maia M. Ackley 1968-5-12 1149 Napa Napa Valley. Comment
  HSC43971  Dichelostemma volubile Robert M. Specht 1977-5-14 891 Napa Near junction of Develhead Rd. and Morgan Valley Rd. 463 Comment
  JEPS110906  Dichelostemma volubile Jake Ruygt 1978-5-7 298 Napa 1.4 miles east f Spanish Flat turnoff on HWY 128 146 Comment
  UCD148737  Dichelostemma volubile Jake Ruygt 2005-5-14 4845 Napa Napa County; Berryessa-Knoxville Rd. near south end of Knoxville Wildlife Area. 268 Comment
  JEPS126104  Dichondra Jake Ruygt 1994-4-24 3353 Napa Alston Park, west side near Redwood Creek. Napa 7.5' Qua. Comment
  JEPS110680  Digitalis purpurea Jake Ruygt 1984-6-23 1568 Napa St. Helena Creek near Livermore Rd. 463 Comment
  CAS-BOT-BC150366  Diplacus aurantiacus L. R. Abrams 1916-7-12 5769 Napa Near St. Helena Sanitarium 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
  CAS-BOT-BC152289  Diplacus congdonii John Thomas Howell 1941-4-5 16156 Napa Franz Valley Comment
  SEINET8409813  Diplacus congdonii R. F. Denno 1967-3-29 33 Napa inner Coast Range; 2 miles southwest of Monticello Dam. 137 Comment
  CAS-BOT-BC153408  Diplacus layneae J. W. Stacey 1933-5-15 s.n. Napa Howell Mt. Comment
  JEPS122985  Distichlis spicata Jake Ruygt 1982-6-29 1352 Napa Tubbs Lane at Myrtledale Road, Calistoga. Quad: Calistoga. Comment
  JEPS122987  Distichlis spicata Jake Ruygt 1991-6-28 2733 Napa DFG property; Huichica Creek, Buchli Station. Quad: Cuttings Wharf. Comment
  SBBG115721  Distichlis spicata B. Crampton 1962-5-8 6412 Napa ca. 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  SEINET3928469  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs.; 0 Comment
  UCD169891  Dodecatheon hendersonii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 732 Napa Knoxville Wildlife Area. 311 Comment
  UCD18044  Dodecatheon hendersonii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 595 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
  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
  UCD15061  Dodecatheon hendersonii Joe Smilanick 1977-4-16 8 Napa Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  JEPS106561  Downingia bicornuta var. bicornuta Jake Ruygt 1993-5-1 3244 Napa Pope Canyon Rd at large vernal pond 187 Comment
  UCD75838  Downingia bicornuta var. bicornuta Jake Ruygt 1983-5-29 1463 Napa 1.7 miles west of Walter Springs bridge on Pope Canyon Rd. 185 Comment
  UC1189261  Downingia concolor var. concolor Joseph P. Tracy 1950-5-23 18673 Napa 3 mi e Angwin's; Howell Mountain, La Jota Plateau 518 Comment
  UC1189260  Downingia concolor var. concolor Joseph T. Gregory 1933-6-2 224 Napa Howell Mt. top Howell Mt. Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  POM59145  Downingia pusilla A. A. Heller, H. E. Brown 1902-4-25 s.n. Napa Near Napa Comment
  UCD48303  Dryopteris arguta Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 16 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along West Rd. at junction with Decker Bay trail. 152 Comment
  HSC1036  Dryopteris arguta C. B. Wolf 1928-5-3 1841 Napa At the summit of the Mt. St. Helena Grade Comment
  UCD136436  Dryopteris arguta G. F. Hrusa; G. L. Stebbins 1994-3-11 11614 Napa Las Posadas State Forest, immediately E of Fire Station. 550 Comment
  UC608384  Dudleya cymosa B. O. Schreiber 1938-4-24 2505 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  UCD48874  Dudleya cymosa K. Mogel; B. Pekin and M. Higley 2002-5-4 10 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 50 ft. S of the power lines. 274 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-BC197072  Echinochloa crus-galli Peter H. Raven 1952-8-26 5150 Napa Road n.e. of Buchli Station 30 Comment
  CLARK-A1528-4596  Echinochloa crus-galli John C. Roos 1939-5-7 262 Napa Angwin Comment
  SEINET10564032  Echinochloa crus-galli var. zelayensis Virginia E. Long 1931-8-22 Long 104 a Napa Sullivan's Halfway Station (between Calistoga and Mt. St. Helens). In boggy irrigation ditch near pumping plant. 111 Comment
  SD131804  Echinodorus berteroi Barbara Ertter, Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey about 15 airmiles north-northwest of Napa, on Conn Creek in North Coast Ranges; east of boat-launching ramp on southeast edge 89 Comment
  JEPS121354  Eleocharis obtusa var. engelmannii Jake Ruygt 1991-8-10 2827 Napa Northwest of Orville Lake, Friesen Lakes Angwin. Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa Comment
  UCD17975  Elymus glaucus Ellen Dean; with Plant Biology 102 class 2001-4-14 700 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve, Decker Canyon. West side of South Decker Canyon Rd., between junctions with Cutoff Rd. and North Decker Canyon Rd., W of old buildings, below stock pond. 152 Comment
  CAS-BOT-BC203598  Elymus glaucus subsp. glaucus Peter H. Raven 1957-5-5 10761 Napa Hills at western edge of Calistoga 152 Comment
  JEPS75635  Elymus glaucus subsp. jepsonii W. L. Jepson 1936-5-28 17542 Napa Adam-and-Eve Ridge Howell Mt. Comment
  CAS-BOT-BC234136  Elymus multisetus Peter H. Raven 1952-5-31 4143 Napa Summit of hills SW of Rector Canyon 304 Comment
  CAS-BOT-BC213803  Elymus repens Peter H. Raven 1952-8-26 5151 Napa Road NE of Buchli Station 30 Comment
  UCD62697  Elymus trachycaulus Beecher Crampton 1957-6-4 4106 Napa Above Capell Creek, north end of Capell Valley. Comment
  RSA113794  Elymus trachycaulus subsp. trachycaulus Beecher Crampton 1957-6-4 4106 Napa Above Capell Creek, north end of Capell Valley Comment
  UCD41330  Epilobium Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 5 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  JEPS122727  Epilobium campestre Jake Ruygt 1982-6-13 1323 Napa Pope Canyon Road at large vernal pool. Quad: St. Helena. Comment
  JEPS38235  Epilobium campestre W. L. Jepson 1936-6-2 17609 Napa 2 mi s Yount School; e. side Napa Valley Comment
  UCD164739  Epilobium campestre Jake Ruygt 2014-7-7 6022 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  CAS-BOT-BC166345  Epilobium canum subsp. canum Peter H. Raven 1951-8-22 3883 Napa 2 8/10 miles from Lokoya on Napa Rd. 228 Comment
  JEPS44029  Epilobium canum subsp. canum W. L. Jepson 1922-10-22 9834 Napa bed of White Sulphur Creek St. Helena Comment
  JEPS44032  Epilobium canum subsp. canum Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon Napa River Basin, St. Helena Comment
  RSA505681  Epilobium canum subsp. canum Gordon H. True Jr. 1937-10-12 844 Napa Road cut on road from Napa to Lokoya Lodge 305 Comment
  CAS-BOT-BC171955  Epilobium canum subsp. latifolium Philip A. Munz 1947-10-10 12215 Napa 11 miles east of Rutherford on road to Winters, Inner Coast Ranges Comment
  UC19960  Epilobium densiflorum Willis L. Jepson 1892-7 Napa Knoxville Comment
  JEPS110702  Epilobium densiflorum Jake Ruygt 1992-7-4 3065 Napa ild Horse Valley Ranch, Johnsons Meadow 420 Comment
  UCD106514  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena. Alongside Highway 128. 200 Comment
  SBBG50823  Epilobium minutum G. L. Young 1974-4-13 11 Napa SW 1/4 T9N, R5W, S15 Comment
  UC20077  Epilobium minutum Willis L. Jepson May 1893 Napa Napa River Basin Comment
  UCD167254  Epilobium minutum Jake Ruygt 1992-4-10 2904 Napa Johnson's Meadow, Wild Horse Valley Ranch. 426 Comment
  SEINET8512943 Image available Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa Putah Creek, 3.5 mi. above Recreation Beach Comment
  JEPS129126  Equisetum arvense Jake Ruygt 2008-7-19 5359 Napa Eticuera Creek, south of Long Canyon. Knoxville 7.5' Quad. Comment
  JEPS103962  Equisetum laevigatum Jake Ruygt 1988-4-18 2158 Napa Newell Canyon 60 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
  CDA34666  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  RSA769189  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UCD164817  Eragrostis hypnoides Jake Ruygt 2012-9-15 5880 Napa Putah Creek south of Berryessa Estates 131 Comment
  CAS-BOT-BC204630  Eragrostis mexicana subsp. virescens Peter H. Raven 1951-10-28 3932 Napa Conn Lake, strand at w. end 152 Comment
  JEPS52486  Eremocarpus setiger W. L. Jepson 1923-10-22 9839 Napa St. Helena Comment
  RSA140853  Eremocarpus setiger John H. Thomas 1960-8-29 8836 Napa About 1 mile north of Calistoga along highway number 53. Comment
  CAS-BOT-BC131508  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa Near Lokoya 548 Comment
  JEPS120425  Erigeron biolettii Jake Ruygt 2010-6-19 5610 f Napa End of Cedar Creek / Pocock Creek Rd. Comment
  JEPS122688  Erigeron foliosus var. foliosus Jake Ruygt 1981-7-23 1082 Napa West of Berryessa Peak. Quad: Brooks. Comment
  RSA128977  Erigeron peregrinus Peter H. Raven 1950-6-27 2436 C Napa N. side of Lake Van Norden. Comment
  UCD160731  Erigeron reductus var. angustatus Ellen Dean 2015-5-23 8783 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
  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
  UC917215  Eriodictyon californicum M. R. Wanzer 1948-5-16 16 Napa 12.5 mi w Winters (Putah Canyon); Putah Canyon Comment
  UCD119251  Eriodictyon californicum M. Ensign 1943-5-28 330 Napa 26.5 miles from Monticello on road to Lower Lake. Comment
  UCD119300  Eriodictyon californicum M. R. Wanzer 1948-5-16 16 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  UCD170666  Eriodictyon californicum 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD48051  Eriodictyon californicum E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 11 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devil Road. 515 Comment
  UCD73429  Eriodictyon californicum Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 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-BC242606  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, near Chiles School, Napa Mountains Comment
  JEPS110771  Eriogonum dasyanthemum Jake Ruygt 1969-12-31 2605 Napa north end of Wooden Valley 231 Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  UCD164779  Eriogonum dasyanthemum Jake Ruygt 2010-7-24 Napa East side of Hwy 121, at north end of Wooden Valley. 426 Comment
  UCD164781  Eriogonum dasyanthemum Jake Ruygt 2008-7-19 5363 Napa Northwest corner of Pope Canyon Road and Berryessa-Knoxville Rd. 152 Comment
  CAS-BOT-BC266062  Eriogonum luteolum John Thomas Howell 1933-8-27 11622 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC266069  Eriogonum luteolum Peter H. Raven 1951-6-26 3060 Napa Wooden Valley Grade 304 Comment
  CAS-BOT-BC266054  Eriogonum luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mountains Comment
  CAS-BOT-BC266063  Eriogonum luteolum John Thomas Howell 1929-10-26 4535 Napa Flood plain of creek 1 mile NW of Calistoga Comment
  JEPS19661  Eriogonum luteolum W. L. Jepson 1934-10-16 16893 Napa in vineyard below Four Corners; Howell mt. Comment
  JEPS56162  Eriogonum luteolum W. L. Jepson 1907-11-30 2876 Napa near Yountville; Stag's Leak Comment
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Nov 12 2011
  LA206912  Eriogonum luteolum var. luteolum Susan G. Stokes; 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  SEINET3405141 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa mountains. Comment
  UC535081  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 82 Napa Sage Canyon Napa Mountains, Sage Canyon Comment
  UC6530  Eriogonum luteolum var. luteolum Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Wooden Valley grade 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-BC268977  Eriogonum nudum var. auriculatum Peter H. Raven 1951-8-22 3884 Napa 2 8/10 miles from Lokoya on Napa Rd 228 Comment
  CAS-BOT-BC124287  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  JEPS56627  Eriogonum nudum var. nudum W. L. Jepson 1937-9-29 18571 Napa on road to Sanitorium; St. Helena Comment
  CAS-BOT-BC269715  Eriogonum nudum var. oblongifolium John Thomas Howell 1929-8-4 4357 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  UCD48640  Eriophyllum lanatum M. Eng; W. Wong, N. Wannlund, A Holman 2002-5-4 2 Napa Quail Ridge UC Reserve, northern top of ridge, N of intersection of West and East roads, on trailside, along lower road leading to power lines, 100 ft. W of lat./long. 335 Comment
  RSA355183  Eriophyllum lanatum L. F. LaPre 1985-4-25 s.n. Napa Rare Plant Cyn, 2 mi SW of Knoxville, just E of Lake Co. Line. 366 Comment
  SEINET9291828  Eriophyllum lanatum Unknown 1984-4-28 7 Napa State. Rd 29, about 5 miles NM of Calistoga. Along roadside. Foothill woodland, Quercus sp. and Umbellelaria californica dominants. Perennial herb. 1-8 dm tall. flowers yellow. Rocky, greavelly soil of baaltic parent material UC Davis Herbarium Comment
  JEPS106955  Eriophyllum lanatum var. achilleoides Jake Ruygt 1979-6-9 683 Napa 21.1 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 563 Comment
  UC177004  Eriophyllum lanatum var. achilleoides Katharine Brandegee 1909-6-1 Napa Calistoga Comment
  UC1980566  Eriophyllum lanatum var. achilleoides James L. Reveal 1987-6-7 6403 Napa Along California Highway 128 between Winters and Rutherford, 5.5 miles southeast of Moskowite Corner, about 11 airline miles northeast of Napa and South of Lake Berryessa. Comment
  CDA4963  Eriophyllum lanatum var. achilleoides Butler 1947-6-6 Napa Wooden Valley, Napa. 0 Comment
  JEPS34498  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-5-24 18854 a Napa Howel Mts. Napa Range, Howell Mts. Comment
  POM358025  Eriophyllum lanatum var. achilleoides L. S. Rose 1934-5-23 34275 Napa N slope of Mt. St. Helena Comment
  SFV5089  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s. n. Napa Calistoga. Near Hill and Connors ranches. Comment
  UC1536864  Eriophyllum lanatum var. arachnoideum G. H. True Jr. 1937-6-21 737 Napa near Lokoya Lodge 365 Comment
  JEPS61372  Erodium botrys W. L. Jepson 1915-4-23 6268 Napa near St. Helena; Napa Valley Comment
  RSA92832  Erodium brachycarpum Peter H. Raven 1953-4-2 5231 Napa Imola. Comment
  UCD49060  Erodium cicutarium S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD170297  Eryngium Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 837 Napa Knoxville Wildlife Area, above and north of Nevada Creek 601 Comment
  JEPS17445  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-4-26 14276 Napa Rutherford Comment
  UCD77695  Eryngium aristulatum var. aristulatum Robert E. Preston 2005-8-17 2366 Napa 1 mi NW of Napa Junction. 14 Comment
  JEPS14084  Eryngium aristulatum var. aristulatum W. L. Jepson 1938-6-8 18899 Napa Snell Valley, Playa Comment
  JEPS17448  Eryngium aristulatum var. aristulatum Willis L. Jepson 1896-6-2 14270 Napa St. Helena Napa River Basin, St. Helena Comment
  UC626482  Eryngium aristulatum var. aristulatum Wilhelm N. Suksdorf 1913-7-24 647 Napa in the neighborhood s.e. Napa Comment
  UC765826  Eryngium aristulatum var. aristulatum R. F. Hoover 1937-8-31 2700 Napa Yountville Comment
  CAS-BOT-BC54304  Erysimum capitatum David D. Keck 1931-4-2 1031 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC40899  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-1 852 Napa Above Wooden Valley on side toward Napa, about 7 miles northeast of Napa. 487 Comment
  CAS-BOT-BC54305  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 s.n. Napa Knoxville. Comment
  UC673520  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount St. Helena Comment
  JEPS106783  Erysimum capitatum var. capitatum Jake Ruygt 1995-4-24 3440 Napa 1.6 mi. south of Lake Hennessey on road to Taylor/ Chapallet 396 Comment
  CAS-BOT-BC26158  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. 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
  CAS-BOT-BC402785  Eschscholzia caespitosa Lester Rowntree 1937-3-30 s.n. Napa Steel Canyon near Napa Comment
  JEPS21000  Eschscholzia caespitosa Willis L. Jepson 1893-4-28 Napa Wooden Valley Grade from Napa City Napa River Basin Comment
  UCD15073  Eschscholzia caespitosa Nicholas Ewing 1977-4-16 16 Napa California, Napa Co.; 0.8 miles east along East Bull Canyon off of Highway 128, 7.4 miles south-southwest of Monticello Dam; 152 Comment
  UCD95247  Eschscholzia caespitosa Beecher Crampton 1978-4-24 9564 Napa Martley Canyon along State Hwy 128. Comment
  RSA51295  Eschscholzia caespitosa subsp. caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley grade above Napa. 457 Comment
  CAS-BOT-BC403333  Eschscholzia californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  UC142916  Eschscholzia californica Katharine Brandegee 1910-7-27 Napa near Angwins Comment
  UCD48072  Eschscholzia californica S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 20 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  CAS-BOT-BC403332  Eschscholzia californica Hilda Smyth 1899-1-1 s.n. Napa Napa Comment
  JEPS51864  Euphorbia crenulata W. L. Jepson 1924-4-27 10369 Napa Mt. St. Helena; Toll House 457 Comment
  JEPS51866  Euphorbia crenulata W. L. Jepson 1915-4-23 6251 Napa Conn Valley; Napa Range Comment
  UCSC009026  Euphorbia crenulata Dylan M. Neubauer 2015-4-24 128 Napa Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey, NCoRI 101 Comment
  UCD167044  Euphorbia crenulata Jake Ruygt 1996-5-14 3695 Napa White Cliff Springs; Elder Valley; (Sabini property). 390 Comment
  UC1058582  Euphorbia spathulata C. H. Lamoureux, J. M. Tucker, and Roman Gankin 1957-4-11 1218 Napa 5.6 mi n State Hwy. 128 junction with State Hwy. 37 (along State Hwy 128) Comment
  CHSC102302  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  SEINET3930505  Euthamia occidentalis David Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  UCD149700  Festuca californica Stephen P. Rae; Ayzik Solomeshch 2006-4-18 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD65850  Festuca californica subsp. californica Beecher Crampton 1956-5-25 3459 Napa Head of Markley Canyon, Vaca Mtns. Comment
  UCD65899  Festuca californica subsp. californica J. Street 1950-4-24 Napa 4 mi. E of Rutherford. Comment
  RSA371706  Festuca californica var. californica L. F. LaPre 1986-5-6 s.n. Napa Cedar Creek, 3.5 miles SW of Knoxville and ca. 1/2 mile (air) W of Devilhead Road, at junction of the creek and a dirt road. Comment
  HSC26181  Festuca elmeri J. P. Smith, J. O. Sawyer 1970-5-17 3778 Napa 3 mi. S of Pope Valley Comment
  UCD164759  Festuca elmeri Jake Ruygt 2014-6-9 5986 Napa Livermore Ranch, Bear valley. 623 Comment
  UCD65968  Festuca idahoensis Beecher Crampton 1956-5-25 3458 Napa Vaca Mtns. Head of Markley Canyon. Comment
  UCR146400  Festuca idahoensis Beecher Crampton 1965-5-13 7328 Napa Inner North Coast Ranges, South end of Chiles Valley on Hwy 128 305 Comment
  CAS-BOT-BC278834  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 487 Comment
  JEPS122910  Festuca occidentalis Jake Ruygt 2007-4-15 5149 Napa Las Posadas State Forest, road to north side of Recreation Flat. Quad: Saint Helena. 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
  CAS-BOT-BC279010  Festuca rubra Peter H. Raven 1952-5-31 4144 Napa Summit of hills s.w. of Rector Canyon 304 Comment
  RSA132845  Filago gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville. 152 Comment
  UCD161315  Foeniculum vulgare Jake Ruygt 1978-6-18 357 Napa Napa, near railroad track south of Imola Avenue. (Coordinates estimated by label maker at UC Davis). 3 Comment
  CAS-BOT-BC454532  Fragaria vesca subsp. californica Alice Eastwood 1922-5-4 11249 Napa Calistoga Comment
  CAS-BOT-BC454533  Fragaria vesca subsp. californica L. R. Abrams 1928-5-3 12238 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC53524  Frangula californica subsp. tomentella Mrs. G. Earle Kelly 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC53525  Frangula californica subsp. tomentella H. D. Ripley; R. C. Barneby 1945-1-20 6913 Napa St. Helena Creek 518 Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  CHSC108737  Fraxinus dipetala B. Castro; L. P. Janeway 2002-5-12 1367 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. Near road edge. 563 Comment
  HSC43995  Fraxinus dipetala Robert M. Specht 1977-4-11 623 Napa NE slope above Pocock Creek 512 Comment
  CAS-BOT-BC223529  Fraxinus latifolia Peter H. Raven 1951-8-22 3881 Napa 2 4/10 miles from Lokoya on Napa Rd. 243 Comment
  RSA298947  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa Rutherford, Pope Valley Road, 3/4 mile out of Rutherford Comment
  CAS-BOT-BC26108  Fremontia napensis Cornelia S. Masters 1915-6-15 s.n. Napa unspecified Comment
  JEPS128913  Fremontodendron californicum Jake Ruygt 1976-4-25 29 Napa 23 miles north of Pope Canyon Road on Berryessa-Knoxville Road. Knoxville 7.5' Quad. Comment
  JEPS42894  Fremontodendron californicum W. L. Jepson 1938-6-11 19005 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  POM136142  Fremontodendron californicum C. F. Baker 1903-5-8 2972 Napa Knoxville. Comment
  UC584196  Fremontodendron californicum J. Clausen 1935-5-22 1061 Napa 15.9 miles S.E. of Lower Lake on the Monticello road beyond the Napa County line Comment
  UCD116306  Fremontodendron californicum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  UCD40901  Fremontodendron californicum Katherine Countrey 1983-5-29 21 Napa On Knoxville-Berryessa Raod, 5 miles northwest of Knoxville, on north side of road. 365 Comment
  POM258881  Fremontodendron californicum subsp. californicum J. T. Howell 1939-5-7 14653 Napa Near head of Hunting Creek, northwest of Knoxville Comment
  POM169605  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  UCR24202  Fritillaria lanceolata W. Ferrenbach, M. Ferrenbach 1951-1 s.n. Napa St. Helena Comment
  JEPS89228  Fritillaria pluriflora W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  UCD139705  Fritillaria pluriflora Robert E. Preston 1988-4-10 585 Napa ca. 0.3 mile SE of the confluence of Putah and Hunting Creeks. 304 Comment
  POM182670  Fritillaria purdyi D. D. Keck 1931-4-4 1091 Napa The Crater Country, 3.5 miles SE from summit of Mount St. Helena Comment
  UC583533  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa n of Calistoga (Mayacama Range, Palisades); Mayacama Range, Palisades Comment
  SEINET8480174  Fritillaria recurva H. P. Chandler 1907-3-6 1503 Napa Reservoir, St. Helena. Comment
  UCD166660  Fritillaria recurva Jake Ruygt 1979-3-16 457 Napa 1.8 miles NW of Madrona on Spring Mountan Road. 207 Comment
  JEPS110565  Galium andrewsii subsp. andrewsii Jake Ruygt 1979-6-3 674 Napa Oat Hill Mine Rd. North 573 Comment
  UCSC009033  Galium andrewsii subsp. andrewsii Dylan M. Neubauer 2015-4-26 135 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UCD18063  Galium andrewsii var. andrewsii Ellen Dean; with Plant Biology 102 class 2000-4-22 618 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
  JEPS110607  Galium aparine Jake Ruygt 1978-4-6 258 Napa 1.0 mile west of Dry Creek Rd. on Redwood Rd. 51 Comment
  UCD49241  Galium aparine Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 3 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near dilapidated buildings. 152 Comment
  RSA0054814  Galium aparine Keith E. Hoffmaster 1939-4-6 910 Napa Putah can. Comment
  UCD13130  Galium aparine Etienne and Laurie Oleksiewicz 1981-4-18 8 Napa On Knoxville Rd., 8.9 miles north of Pope Canyon Rd., north facing slope. Comment
  CHSC108735  Galium bolanderi B. Castro; L. P. Janeway 2002-5-12 1365 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  UCD73055  Galium californicum subsp. californicum Ellen Dean; S. Rae 2008-5-21 4974 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  RSA42016  Galium nuttallii var. tenue H. C. Cantelow 1936-3-22 s.n. Napa Howell Mt. Comment
  UCD38609  Galium porrigens Beecher Crampton 1956-5-25 3485 Napa Howell Mtns. 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
  UCD18071  Galium porrigens var. porrigens Ellen Dean; with Plant Biology 102 class 2000-4-22 626 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
  UCD95696  Galium porrigens var. porrigens Ellen Dean; with Clare Loughran 2011-5-20 7034 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 605 Comment
  UCD168538  Gamochaeta ustulata Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CDA11161  Garrya congdonii G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11573 Napa North Coast Biodiversity Arena; 2 m. NW of Aetna Springs along Schwartz Ck. Rd. Comment
  RSA41998  Garrya elliptica Ella Dales Cantelow 1939-5-7 2532 Napa Just E of Napa - Lake Co line. Comment
  CAS-BOT-BC144378  Garrya fremontii Alice Eastwood 1922-3-26 11110 Napa Mt. St. Helena Comment
  CAS-BOT-BC144422  Garrya fremontii Alice Eastwood 1922-3-26 11111 Napa Mt. St. Helena Comment
  CAS-BOT-BC144423  Garrya fremontii Alice Eastwood 1918-9-3 7946 Napa Mt. St. Helena Comment
  JEPS66741  Garrya fremontii W. L. Jepson 1913-4-15 5316 Napa Howell Mt. 609 Comment
  UCD66609  Gastridium phleoides E. G. Cakin 1947-5-14 Napa Near Chemilele Farm Center, Monticello - Napa road. Comment
  UCD66546  Gastridium phleoides Beecher Crampton 1965-6-30 7415 Napa Solano - Napa Counties: Summit of Mt. Vaca, Vaca Mtns. 872 Comment
  UCD66712  Gastridium phleoides K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  CAS-BOT-BC208043  Genista monspessulana Ira L. Wiggins 1928-3-25 2883 Napa Roadside 1 1/2 mi. N.E. of Calistoga [Calostoga] Comment
  UCD73510  Genista monspessulana Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD103392  Geranium dissectum M. R. Wanzer 1948-5-22 25 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  UCSB9893  Geranium dissectum 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
  JEPS126066  Geranium molle Jake Ruygt 2005-3-28 4737 Napa Near Knoxville Wildlife Area. Knoxville 7.5' Quad. Comment
  UCD23411  Geranium molle Robert Giorgis 1977-4-16 5 Napa Small herbaceous plant having flowers with lavender petals and a green stem with reddish tint. Collected about 300 m south of Highway 128, 6.4 miles southwest of Monticello Dam. Bottom of canyon near foot of NE facing slope in riparian - oak woodland ecocline. Comment
  UCD49067  Geranium molle Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 B 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
  UCD49071  Geranium molle E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct. of West Rd. and South Decker Canyon Rd. 249 Comment
  SEINET5744393 Image available Geranium molle Peter Stekel 1974-1 21 Napa State Hwy 128 along N slope of Rag Creek headwaters, 4 miles E of junction of State Hwys 128 and 121.; Rag Creek 305 Comment
  CHSC102193  Geranium purpureum Barbara Ertter; Jake Ruygt 1996-4-25 14601 Napa Kroeber Ranch on northeast flank of Mt. St. John, west of Rutherford in Napa Valley. Comment
  UCD132710  Geranium purpureum Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park, in area near parking lot and around historic mill. 115 Comment
  RSA742088  Gilia capitata subsp. capitata Peter L. Morrell 1993-6-6 269 Napa Coast Range: Along Hwy 29, N side of road, 1 mile south of Robert Louis Stevenson State Park, c. 3 miles N or Calistoga 146 Comment
  UC146065  Gilia capitata subsp. capitata H. P. Chandler 1907-5-29 7592 Napa White Sulphur Spr. St. Helena, White Sulphur Spr. Comment
  HSC43997  Gilia tricolor Robert M. Specht 1977-4-14 664 Napa N side of Nevada Creek 512 Comment
  JEPS110951  Gilia tricolor subsp. diffusa Jake Ruygt 1991-5-11 2671 Napa Little Bear Valley, near Sugarloaf Mtn. 694 Comment
  JEPS110963  Gilia tricolor subsp. tricolor Jake Ruygt 1995-4-17 3425 Napa west end of Niebaum Lane, Rutherford (Coppola Estate) 100 Comment
  CAS-BOT-BC266495  Githopsis diffusa Gladys Smith 1966-4-23 s.n. Napa Bothe Napa Valley State Park Comment
  UCD47962  Githopsis specularioides Robert Wolfson; J. Westbrook, M. Disney, S. Ratay, A. Houser, S. Wathen 2000-4-22 36 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd. along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  SD131827  Glinus lotoides Barbara Ertter, Elizabeth Neese 1988-10-2 7966 Napa Lake Hennesse ca. 15 miles northnorthwest of Napa, on Conn Creek in North Coast Ranges. 91 Comment
  JEPS122936  Glyceria occidentalis Jake Ruygt 1992-5-6 2933 Napa West of Foster Road, Napa (Raynes property). Quad: Napa. Comment
  CDA5998  Gnaphalium canescens R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  CAS-BOT-BC303339  Gnaphalium palustre Peter H. Raven 1951-10-28 3942 Napa Conn Lake 152 Comment
  POM204465  Gratiola ebracteata J. T. Howell 1933-5-21 11322 Napa Napa Comment
  OBI74534  Grindelia camporum David J. Keil 1986-11-8 19793 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S of turnoff to Homestake McLauglin Mine/MIll 350 Comment
  CAS-BOT-BC304887  Grindelia hirsutula J. T. Howell 1932-10-8 s.n. Napa Napa river marshes Comment
  CAS-BOT-BC304894  Grindelia hirsutula John Thomas Howell 1933-6-4 11394 Napa East side of Napa Valley near Stag's [Stags] Leap Comment
  JEPS41923  Grindelia hirsutula Alice King 1919-7-1 Napa Van Ness Ranch; Mt. St. Helena, Van Ness Ranch Comment
  UC32141  Grindelia hirsutula Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UC608853  Guillenia flavescens Beryl O. Schreiber 1938-4-24 2500 Napa 0.25 mi nw Knoxville; Reiff Quad. 609 Comment
  JEPS106919  Gutierrezia sarothrae Jake Ruygt 1998-8-29 4109 Napa Blue Ridge, about 1.5 mile north of Mays Flat. 701 Comment
  UCD161340  Harmonia hallii Jake Ruygt 1983-5-29 1476 Napa Berryessa-Knoxville Road, 2.4 miles south of Lake County line. (Coordinates estimated by label maker at UC Davis). 597 Comment
  CAS-BOT-BC302236  Harmonia nutans J. Clausen 1935-5-23 1072 Napa Howell Mountain, near summit, 6.5 mi. N.E. of St. Helena Comment
  JEPS106553  Harmonia nutans Jake Ruygt 1977-4-9 180 Napa .3 miles south of Monticello Rd. on Wild Horse Valley north rd 420 Comment
  JEPS40020  Harmonia nutans W. L. Jepson 1904-6-3 2440 Napa Howell Mt. 792 Comment
  JEPS7511  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa near Yountville Comment
  SJSU11766  Harmonia nutans J. D. Paravantes 1973-4-14 Napa Soda Canyon Rd 5 mi N of intersection with Silverado Trail Comment
  UC1731339  Harmonia nutans Dean W. Taylor 1998-6-23 16695 Napa Swartz Canyon North Coast Ranges, Mayacamas Mountains (headwaters, s flanks of Twin Peaks, (ca. 5 air mi w <of> Aetna Springs) 716 Comment
  UC894091  Harmonia nutans Alice Eastwood 1916-6-6 4664 Napa Mt. St. Helena Comment
  CDA34654  Helenium puberulum L. Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  RSA769211  Helenium puberulum L. 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 southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road,, about 19 air miles west of Winters. 133 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
  CDA13716  Helianthus bolanderi G. F. Hrusa, T. D. Wilfred 1997-7-24 14020 Napa North Coast Biodiversity Arena; Middle reaches of Butts Canyon +- 8-10 mi. SE of Middletown. Comment
  JEPS34867  Helianthus bolanderi W. L. Jepson 1916-8-7 6843 Napa Howell Mt. Comment
  UC221395  Helianthus bolanderi H. M. Hall 1923-10-12 11927 Napa 16 mi se Lowerlake (n Napa Co.) Comment
  CAS-BOT-BC305851  Helminthotheca echioides Peter H. Raven 1951-9-9 3888 Napa At Solano Co. line w. of Hy. 29 15 Comment
  UC897696  Hemizonia congesta subsp. clevelandii Alice Eastwood 1918-9-3 7962 Napa Calistoga Comment
  CAS-BOT-BC309834  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1926-11-28 1576 Napa American Canon [Canyon] between Napa highway and Cordelia Comment
  CAS-BOT-BC309838  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  SEINET3930506  Hemizonia congesta subsp. luzulifolia David Keil 1986-11-8 19792 Napa Along Lake Berryessa Knoxville Road near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  CAS-BOT-BC309845  Hemizonia congesta subsp. luzulifolia L. S. Rose 1927-7-24 s.n. Napa St. Helena Comment
  UC194222  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-8-6 10261 Napa 7 km s Napa Comment
  UCD161645  Hemizonia congesta subsp. luzulifolia Jake Ruygt 2005-10-8 4948 Napa Howell Mountain Road about 0.3 mile south of Deer Park Road. 408 Comment
  UCD127521  Heracleum maximum Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  JEPS106732  Herniaria hirsuta subsp. cinerea Jake Ruygt 1989-6-17 2369 Napa Bear Valley 643 Comment
  UCD170292  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 832 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 405 Comment
  CAS-BOT-BC167422  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-20 4145 Napa Above Pope Creek ca. 0.5 mile from Walter Springs 152 Comment
  CAS-BOT-BC167423  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  JEPS32274  Hesperolinon bicarpellatum Jos. P. Tracy Jun 13 1899-Jun 19 1899 382 Napa Howell Mt. Comment
  UC1212368  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-1 4117 Napa on Pope Valley-Monticello road between Walter Springs and Samuel Springs (above Pope Creek); Inner North Coast Ranges 152 Comment
  UC1212369  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4108 Napa above Sage Creek (0.8 mi s of Chiles Valley); Inner North Coast Ranges 304 Comment
  UC146227  Hesperolinon bicarpellatum Joseph P. Tracy 1905-7-6 2218 Napa head Moore's Creek (3-4 mi e of Angwin's); Howell Mountain 457 Comment
  UCD119659  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
  UCD160633  Hesperolinon bicarpellatum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8725 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 217 Comment
  CAS-BOT-BC167446  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa S. [Cappell] Capell Valley 365 Comment
  CAS-BOT-BC176011  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford 152 Comment
  JEPS112651  Hesperolinon californicum Jake Ruygt 1981-5-27 1045 Napa American Canyon, .3 miles east of Flosden Rd. 91 Comment
  JEPS121521  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 231 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS121545  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 233 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122783  Hesperolinon californicum Jake Ruygt 1990-5-12 2541 Napa Wooden Valley, north of Wooden Valley School. QUAD: Capell Valley. Comment
  JEPS122879  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 625 Napa Pipeline road meadow site at McLaughlin Reserve. Comment
  OBI12547  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4114 Napa Inner North Coast Ranges. S margin Chiles Valley near Chiles Valley School 305 Comment
  UC1212446  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4111 Napa slopes of creek at its exit from Chiles Valley; Inner North Coast Ranges, Sage Creek 289 Comment
  CAS-BOT-BC176017  Hesperolinon californicum Lester Rowntree 1937-6-1 s.n. Napa Saca Canyon 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
  UCD110504  Hesperolinon clevelandii P. Rodriguez-Rojo 1997-5-31 s.n. Napa Butts Canyon Rd. 285 Comment
  CAS-BOT-BC176238  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4113 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road 121 Comment
  RSA151793  Hesperolinon disjunctum H. K. Sharsmith 1952-6-1 4118 Napa About one mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Monticello road. 122 Comment
  OBI22870  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4149 Napa Inner North Coast Ranges. NE of Knoxville ca 2 mi on Knoxville-Lower lake rd 610 Comment
  UC1212482  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4119 Napa Knoxville-Monticello road 0.8 mi s Knoxville (above Knoxville Creek); Inner North Coast Ranges 365 Comment
  CAS-BOT-BC167456  Hesperolinon drymarioides G. L. Stebbins 1966-6-6 6447 Napa Along road from Knoxville to Cedar Valley 487 Comment
  JEPS122777  Hesperolinon micranthum Jake Ruygt 1980-5-13 893 Napa Mt. St. John. QUAD: Rutherford Comment
  UC1601270  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4616 Napa Rutherford-Monticello road Inner North Coast Ranges, Chiles Valley (w side of valley) 243 Comment
  UCD110556  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa Above Sage Creek 0.8 miles south of Chiles Valley. 304 Comment
  UCD110561  Hesperolinon micranthum Joseph P. Tracy 1933-6-2 12479 Napa Howell Mountain. On hills at head of Moore's Creek, 5 miles east of Angwin's. 396 Comment
  UCD160649  Hesperolinon micranthum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8735 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UC1601271  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4639 Napa road between Wooden Valley and Cappell Valley (Hwy 37) 2.2 mi beyond junction with Wooden Valley road (Locality for HKS 4592); Inner North Coast Ranges 274 Comment
  JEPS122793  Hesperolinon sharsmithiae Jake Ruygt 2009-5-27 5424 Napa Mt. George, about 1/8 mile down road from homestead site. Tupper. QUAD: Mount George. Comment
  JEPS127884  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 197 Napa Along Chiles Valley Road. Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  JEPS122775  Hesperolinon spergulinum Jake Ruygt 1982-6-29 1357 Napa 0.4 miles west of Pope Valley Road on Howell Mtn. Road. QUAD: St. Helena Comment
  POM86846  Hesperolinon spergulinum Marcus E. Jones 1881-7-6 343 Napa St. Helena. Comment
  UC192975  Hesperolinon spergulinum C. C. Parry 1881-1 99 Napa Calistoga Comment
  JEPS106575  Heterocodon rariflorum Jake Ruygt 1996-6-23 3757 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 441 Comment
  UCD164836  Heterocodon rariflorum Jake Ruygt 2012-6-2 5858 -c Napa Spanish Valley on south ridge. 345 Comment
  JEPS11808  Heterocodon rariflorum W. L. Jepson 1936-7-1 17630 Napa below Four Corners (Howell Mt); Napa Range, Howell Mt. Comment
  CAS-BOT-BC143748  Heteromeles arbutifolia L. R. Abrams 1916-7-2 5765 Napa Near St. Helena Sanitarium Comment
  UCD49138  Heteromeles arbutifolia S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  CAS-BOT-BC311031  Heterotheca oregona var. compacta John Thomas Howell 1930-10-19 5600 Napa Bed of Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  SD62043  Heterotheca oregona var. rudis Darley F. Howe 1965-8-4 Napa 4.0 miles east of Rutherford on U. S. Highway 128. Comment
  UC336701  Heterotheca oregona var. rudis unknown Napa Calistoga Eel River Comment
  CAS-BOT-BC312334  Hieracium albiflorum Peter H. Raven 1964-5-9 19058 Napa 2 miles west of Aetna Springs Comment
  UCD115136  Hirschfeldia incana Jack Major 1961-6-13 543 Napa Monticello Dam, State Highway 128. Comment
  UC1543069  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa hwy from Napa to Wooden Valley (n slopes of mt.); George Mt. 152 Comment
  UCD132322  Holocarpha virgata Beecher Crampton 1956-9-28 3882 Napa Southern Capell Valley. Comment
  UC1128007  Holodiscus discolor A. Lewis 1932-5-18 97 Napa Dry Creek 152 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-BC315792  Holozonia filipes Edward Lee Greene 1883-1-1 s.n. Napa Napa Valley Comment
  SEINET11259345 Image available Holozonia filipes K. Brandegee 1910-7-26 186 Napa Near Angwin's Comment
  UCD36306  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UCD85529  Hordeum brachyantherum subsp. californicum Beecher Crampton 1962-5-16 6424 Napa 6.4 miles S of Pope Valley, western slope of Chiles Valley. Comment
  CAS-BOT-BC284935  Hordeum brachyantherum subsp. californicum Peter H. Raven 1951-6-10 2927 Napa Crater Region e. of Palisades 762 Comment
  CAS-BOT-BC284999  Hordeum depressum Peter H. Raven 1957-5-5 10752 Napa Calistoga 91 Comment
  CAS-BOT-BC285094  Hordeum marinum subsp. gussoneanum L. R. Abrams 1928-5-3 12211 Napa St. Helena Grade Comment
  UC187092  Hordeum marinum subsp. gussoneanum Joseph P. Tracy 1903-5-18 1855 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD18144  Hordeum marinum subsp. gussoneanum Jean Shepard; with PLB 102 class 2000-4-29 199 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
  RSA123452  Hordeum murinum subsp. glaucum J. B. Spring 1932-5-27 66 Napa Head Carneros Creek 366 Comment
  UCD73439  Hypericum concinnum 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
  JEPS66794  Hypericum concinnum W. L. Jepson 1904-6-3 2433 Napa Weldon Canyon Howell Mt. foothills 487 Comment
  RSA458220  Hypericum concinnum E. S. Spalding 1924-7-3 s.n. Napa St. Helena Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  CHSC114327  Hypericum perforatum D. G. Kelch 2010-4-28 10162 Napa N. Rockville along Suisun Valley Rd. near Napa County Line. 159 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
  UCD138721  Iris fernaldii C. G. Baughn 1949-4-24 27 Napa State Highway 12, 4 miles northwest of Cordelia. Comment
  JEPS126070  Iris longipetala Jake Ruygt 1999-4-24 4138 Napa Sugarloaf State Park, N of Bald Mountain McCormick Ranch Area. Kenwood 7.5' Quad. Comment
  JEPS88857  Iris macrosiphon Carol A. Wilson 1992-4-18 92 -ph1 Napa 0.5 mi w Pope Valley (n of Angwin, Howell Mt Rd) Comment
  RSA123132  Iris macrosiphon A. Lewis 1932-5-14 79 Napa 3 miles up Dry Creek 152 Comment
  UC917173  Iris macrosiphon D. C. Finfrock 1950-4-2 11 Napa 2 mi from St. Helena (on Pope Valley Road) Comment
  UCD48249  Iris macrosiphon K. Watts; K. Carpenter, S. Cruz, D. Goldberg, and M. Ochoa 2000-4-28 5 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south of path. 545 Comment
  UCD48724  Iris macrosiphon A. Collier; D. Caterson and S. Kenady 2002-5-4 18 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Located in section between upper and lower roads in which the road has become a path. 2 meters E of path. 304 Comment
  JEPS126029  Iris orientalis Jake Ruygt 1998-5-23 3992 Napa Imola Ave, Napa; east side of river and south street. Napa 7.5' Quad. Comment
  UC1751075  Isoetes orcuttii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2761 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC102319  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  CAS-BOT-BC102321  Juglans hindsii C. B. Wolf; E. R. Johnson 1934-10-17 6197 Napa Munson Ranch, Napa Range, above Wooden Valley, Old Indian Camp Site 304 Comment
  LA16775  Juglans hindsii C. B. Wolf; E. R. Johnson 1934-10-17 6197 Napa Napa Range, Munson Ranch, above Wooden Valley, Old Indian Camp Site 304 Comment
  UCD20737  Juglans hindsii Ellen Dean; w/ Mark Bibbo 2002-6-17 1101 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near main entrance gate to reserve, just upslope from road to field station. E side of the road. 371 Comment
  UCD49097  Juglans hindsii Kook-Hyun Chung; C. Ineich, J. Deusterman, and M. Hauselt 2001-4-28 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd., 2 m N of road. 219 Comment
  CDA39578  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19939 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  UCD141338  Juncus balticus subsp. ater H. MacKenzie 1949-5-29 22 Napa 5 miles west of St. Helena. Comment
  JEPS122672  Juncus bufonius var. bufonius Jake Ruygt 1979-5-15 595 Napa Marina Drive, Napa. Quad: Napa. Comment
  UCD166702  Juncus effusus subsp. pacificus Jake Ruygt 25 May1992 3004 Napa north of Leoma Lakes (Lair property) 347 Comment
  JEPS122656  Juncus ensifolius Jake Ruygt 1984-6-23 1575 Napa Livermore Road, west of ranchhouse. Quad: Detert Reservoir. Comment
  JEPS126046  Juncus luciensis Jake Ruygt 1990-4-28 2516 Napa Bear Valley at pond. Detert Reservoir 7.5' Quad. Comment
  JEPS122658  Juncus oxymeris Jake Ruygt 1991-6-29 2739 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  UCR43201  Juncus oxymeris 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
  UCD166707  Juncus oxymeris Jake Ruygt 1986-7-5 1864 Napa Devilshead Road, past old farmhouse. 371 Comment
  UCD123773  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 miles from Winters, on road to Monticello. Comment
  JEPS34511  Kickxia elatine Freed W. Hoffman Aug 1947 1689 Napa Sage Canyon; North Coast Ranges Comment
  JEPS122919  Koeleria macrantha Jake Ruygt 1985-5-18 1603 Napa American CAanyon, 0.4 mile east of Flosden Road. Quad: Cordelia. Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  JEPS85019  Koeleria macrantha Larry Heckard and Mary Ashton 1969-5-3 2225 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 510 Comment
  UC526698  Koeleria macrantha Joseph P. Tracy 1933-6-2 12475 Napa hills at head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); Northern Coast Ranges, , Moore's Creek 396 Comment
  UCD85736  Koeleria macrantha Beecher Crampton 1956-5-25 3460 Napa Vaca Mountains, head of Markley Canyon. Comment
  NY180446  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring Comment
Read comments
Nov 25 2013
  UCD118352  Lagophylla minor Reed Crane; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 387 Comment
  CAS-BOT-BC341432  Lagophylla minor Peter H. Raven 1951-5-6 2821 Napa Silverado Trail 3/4 mile Conn Dam 152 Comment
  UC913121  Lagophylla minor David D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek just s Walters Spring; ; bridge over Pope Creek, S of Walters Spring, Napa Co. Comment
  CAS-BOT-BC341558  Lagophylla ramosissima L. R. Abrams 1916-7-2 5760 Napa Near St. Helena Sanitarium Comment
  UCD20733  Lagophylla ramosissima Ellen Dean; w/ Mark Bibbo 2002-6-17 1098 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Dead Man's Hill, along trail to top. 365 Comment
  CAS-BOT-BC341554  Lagophylla ramosissima Peter H. Raven 1951-6-26 3088 Napa Cappell valley to Wooden Valley 304 Comment
  JEPS19934  Lagophylla ramosissima Willis L. Jepson 1894-7-19 Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS110794  Lamium purpureum Jake Ruygt 1992-3-28 2870 Napa Yountville Ecological Preserve, Yountville Cross Rd. 27 Comment
  RSA201210  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa Garden weed near St. Helena Comment
  CAS-BOT-BC338264  Lasthenia californica Ella Dales Cantelow 1939-4-8 2497 Napa About 4 1/2 mi. s.w. of Pacific Union College, Howell Mt. Comment
  CAS-BOT-BC338268  Lasthenia californica John Thomas Howell 1926-3-27 1749 Napa Soscol Comment
  UC30413  Lasthenia californica subsp. californica W. L. Jepson 1893-4-26 Napa La Lomita Napa Valley Comment
  JEPS106672  Lasthenia conjugens Jake Ruygt 1983-5-1 1451 Napa Suscol Hill east of HWY 29 (221) 27 Comment
  SD70553  Lasthenia conjugens Robert Ornduff 1960-4-26 6116 Napa East side of Silverado Trail, 0.9 mile north of Soda Canyon road. Comment
  JEPS35630  Lasthenia glaberrima W. L. Jepson 1921-5-6 9174 Napa Calistoga Comment
  UCD147460  Lasthenia glaberrima Ellen Dean; Diana Hickson 2014-4-29 8073 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  RSA51265  Lasthenia glaberrima Peter H. Raven 1950-5-6 2004 Napa Near geysers and hot springs near Calistoga airfield, Calistoga. 46 Comment
  JEPS106622  Lasthenia glabrata subsp. glabrata Jake Ruygt 1982-5-13 1246 Napa .5 miles south of Imola Ave. on South Jefferson,Napa 1 Comment
  UC30426  Lasthenia gracilis Willis L. Jepson 1893-5-1 Napa Napa Valley Napa River Basin, Upper Napa Valley Comment
  UCD133827  Lasthenia gracilis R. W. Thorp 1967-3-9 670309 B Napa 3 miles south of Napa. Comment
  JEPS107274  Lathyrus angulatus Jake Ruygt 1990-5-6 2534 Napa Giles Mead Ranch, Atlas Peak Rd. 484 Comment
  UCD106231  Lathyrus hirsutus John Thomas Howell 1966-6-2 41552 Napa Dry Creek Road near head of Dry Creek south west of Oakville. Comment
  UCD75721  Lathyrus hirsutus Jake Ruygt 1992-5-18 2982 Napa Yountville Ecological Reserve, Yountville Cross Rd. 27 Comment
  UCD106330  Lathyrus jepsonii var. californicus J. Watsonii 1941-5-1 s.n. Napa Monticello - Napa Road. Comment
  UC81786  Lathyrus jepsonii var. jepsonii Michener and Bioletti 1892-8-15 Napa Draw Bridge Napa River Comment
  SEINET956248  Lathyrus torreyi S. Walker 1983-1 83 H-108 Napa Ida Clayton Road; northwest side of Mount St. Helena. Comment
  UCD73406  Lathyrus vestitus 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
  UCSB3114  Lathyrus vestitus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway 37, 500 feet above valley floor 304 Comment
  POM225554  Lathyrus vestitus subsp. vestitus J. T. Howell 1931-4-2 6077 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  JEPS107263  Lathyrus vestitus var. vestitus Jake Ruygt 1994-3-26 3338 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  UC15376  Lathyrus vestitus var. vestitus Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  UCD75717  Lathyrus vestitus var. vestitus Jake Ruygt 1986-4-14 1698 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road. 457 Comment
  CAS-BOT-BC323188  Layia chrysanthemoides John Thomas Howell 1931-4-3 6145 Napa North end of Pope Valley, Napa Range. Comment
  JEPS39186  Layia chrysanthemoides Elsie Kraeger 1926-3-27 Napa meadow near Soscol Comment
  UCD133952  Layia chrysanthemoides R. L. Smith 1948-5-7 s.n. Napa Samuel Springs. Comment
  CAS-BOT-BC321717  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  HSC43963  Layia platyglossa Robert M. Specht 1977-4-11 621 Napa Along drainage of Pocock Creek 500 Comment
  HSC43960  Layia septentrionalis Robert M. Specht 1977-4-19 700 Napa Above drainage running NE from Adams Creek (sire 163) 497 Comment
  UCD63159  Layia septentrionalis Jake Ruygt 1980-4-13 834 Napa North of Snell Valley over ridge. 256 Comment
  CAS-BOT-BC274335  Leersia oryzoides Peter H. Raven 1952-9-14 5175 Napa Conn Creek e. of Yountville 91 Comment
  SEINET10840534  Legenere limosa Holland 1983-5-21 HOLLAND 1230 Napa A few hundred feet east of Routes 12 and 29, about 3.9 miles south of Route 121, about 1000 feet north of Suscol Creek 30 Comment
  CAS-BOT-BC534948  Lemna minuta Evelina Cannon 1901-7-15 s.n. Napa Johannisberg Comment
  CAS-BOT-BC215769  Lepechinia calycina W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  CAS-BOT-BC221495  Lepechinia calycina Milo S. Baker 1926-4-10 s.n. Napa Trail to Crater - 2 mi S. St Helena Inn Comment
  SEINET9342757  Lepechinia calycina Unknown 1998-6-2 32 Napa Napa Co., CA Comment
  UCD124880  Lepechinia calycina Beecher Crampton 1965-6-30 7396 Napa Solano-Napa Counties: summit of Mt. Vaca. 872 Comment
  UCD49101  Lepechinia calycina S. Murphy; K. Keck and K. Dyer 2002-5-5 15 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 450 m from intersection of West and East roads, S side of upper road leading to power lines and tip parcels, 2 m from roadside. 388 Comment
  CAS-BOT-BC88681  Lepidium acutidens John Thomas Howell 1926-3-27 1758 Napa Myrtledale Hot Springs near Calistoga. Comment
  CAS-BOT-BC12927  Lepidium strictum Peter H. Raven 1950-4-15 1703 Napa Napa. 9 Comment
  RSA107020  Leptosiphon androsaceus R. C. Barneby 1954-4-30 11233 Napa Conn Valley. near the slipway. 300 [ft? m?] Comment
  UCD13133  Leptosiphon androsaceus Etienne and Laurie Oleksiewicz 1981-4-22 19 Napa Napa CO. State Highway 128, 1.8 miles west of Monticello Dam; west facing slope. Comment
  HSC43982  Leptosiphon ciliatus Robert M. Specht 1977-4-19 696 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD118990  Leptosiphon parviflorus Carolyn Thomas 1974-4-14 10814 Napa near Yountville, close to Thomas Ranch. 274 Comment
  UCD49233  Leptosiphon parviflorus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., between Decker Ridge Rd. jct and Cut-Off Rd. jct. 304 Comment
  UCD49235  Leptosiphon parviflorus S. Murphy; K. Keck and K. Dyer 2002-5-5 1 Napa Quail Ridge UC Reserve, northern tip of ridge, near junction of West and East roads, 15 m from S edge of stock pond. 328 Comment
  UCD49237  Leptosiphon parviflorus Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 25 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  UCD82604  Leptosiphon parviflorus Ellen Dean; T. Starbuck 2009-5-4 5542 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCSC009028  Leptosiphon parviflorus Dylan M. Neubauer 2015-4-24 130 Napa (NCoRI) Dirt road abutting drainage flowing S/N on S side Chiles-Pope Valley Road 301 Comment
  CAS-BOT-BC324166  Lessingia hololeuca John Thomas Howell 1927-4-15 2323 Napa Near Callistoga 213 Comment
  UC1283740  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa Tubbs Lane 2 mi n Calistoga (ditch along road) Comment
  JEPS29587  Lewisia rediviva Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8444 Napa 5 mi n along Atlas Peak road Vichy Springs junction (with Calif. 37) (1/4 mi n of junction with side road leading to Milliken Reservoir) 355 Comment
  CAS-BOT-BC444417  Lewisia rediviva Milo S. Baker; Alice Griffin 1926-3-30 168 Son Ser. Napa The Crater, Mt St Helena Comment
  JEPS89888  Lilaeopsis masonii Dean Wm. Taylor with Glenn L. Clifton 1990-5-30 10815 Napa Napa R. in Napa, ca. 150 meters downstream of Third St. bridge, on west bank. Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  POM290969  Lilium rubescens Lyman Benson 1929-6-29 s.n. Napa Mt. St. Helena Comment
  UCD139755  Lilium rubescens Heidi E. M. Dobson 1978-6-14 337 Napa east side of Mt. Veeder. Comment
  JEPS112566  Limnanthes douglasii subsp. nivea Jake Ruygt 1994-4-16 3350 Napa North end of Chiles Valley near Chiles- Pope Valley Road. 228 Comment
  SEINET5585702  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-1 8757 Napa Along the Chiles and Pope Valley Road ca. 4.7 miles northwest of its junction with the Lower Chiles Valley Road. 230 Comment
  JEPS110642  Limosella acaulis Jake Ruygt 1982-3-28 1158 Napa Suscol plain east of Rocktram 1 Comment
  UC23346  Linanthus acicularis Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin Comment
  SEINET5732161 Image available Linanthus androsaceus Peta Lewis 1967-1 17 Napa Across from Monticello Dam, on State Highway 128.; Monticello Dam Comment
  UC914256  Linanthus androsaceus Verne Grant and Alva Grant 1947-4-19 7937 Napa e of crest of Mayacama Range (on Napa to Monticello road) Comment
  UC1198535  Linanthus dichotomus J. P. Tracy 1902-5-19 1559 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC23500  Linanthus dichotomus Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  JEPS111461 Image available Linanthus dichotomus subsp. meridianus Sally Chess 2003-4-22 112 Napa Robert Louis Stevenson State Park. Comment
  JEPS58113  Linanthus parviflorus W. L. Jepson 1904-6-3 2444 Napa Howell Mt. Napa Range 365 Comment
  UC146063  Linanthus parviflorus H. P. Chandler 1907-4-25 7538 Napa Chiles Valley road Comment
  SEINET12186115  Linum californicum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -336 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS37735  Lithocarpus densiflorus W. L. Jepson 1894-10-14 Napa Rebecca Ranch grade; Upper Napa Valley Comment
  UC521697  Lithocarpus densiflorus Joseph Andorfer Ewan 1933-9-17 8004 Napa Mt. St. Helena; near entrance to mine Comment
  CAS-BOT-BC430627  Lithophragma affine E. Ruckert 1928-5-3 101 Napa 6495 Dry creek Road, upper meadow southwest of road leading in from county road 411 Comment
  RSA10642  Lithophragma affine subsp. affine Carl B. Wolf 1928-5-3 1848 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCD102717  Lithophragma heterophyllum Collector unknown 1931-4-19 s.n. Napa Calistoga. Comment
  JEPS106957  Logfia filaginoides Jake Ruygt 1982-4-3 1162 Napa 3.2 miles north of Loma Vista on Soda Canyon Rd. 335 Comment
  UCD18093  Logfia filaginoides Ellen Dean; with PLB 102 class 2000-4-29 649 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
  UC527950  Logfia gallica R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6657 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD148819  Logfia gallica Ellen Dean; Diana Hickson 2014-4-29 8125 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  CAS-BOT-BC342436  Logfia gallica Peter H. Raven 1950-4-15 1724 Napa Monticello Road, Napa Valley 24 Comment
  UC38778  Lolium perenne Willis L. Jepson 1893-1 Napa Napa Valley Comment
  UC729984  Lolium perenne Leo F. Koch 1940-4-24 851 Napa Cuttings Wharf Comment
  CAS-BOT-BC271066  Lolium temulentum A. A. Heller 1902-4-25 5365 Napa Near Napa Comment
  UCD149667  Lomatium californicum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UC659028  Lomatium californicum Mildred E. Mathias 1937-5-23 1299 Napa 13 mi. s.e. Napa Co. Line (on Knoxville Rd.) Comment
  UCD150868  Lomatium caruifolium var. caruifolium Robert E. Preston 1988-4-10 586 Napa ca. 0.6 mile ESE of the confluence of Putah and Hunting Creeks. 304 Comment
  UCD18065  Lomatium dasycarpum subsp. dasycarpum Ellen Dean; with Plant Biology 102 class 2000-4-22 620 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
  JEPS122753  Lomatium hooveri Jake Ruygt 2004-4-3 4579 Napa Ridge between Foley and Knoxville Creeks. Quad: Knoxville. Comment
  UCD18052  Lomatium macrocarpum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 605 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
  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
  RSA452560  Lomatium marginatum var. purpureum Robert Gustafson, Don Reynolds 1983-6-7 2736 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC1197152  Lomatium marginatum var. purpureum J. P. Tracy 1899-6-13 413 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 365 Comment
  UC1224685  Lomatium marginatum var. purpureum G. Ledyard Stebbins 1964-5-24 6159 Napa 7 mi S of Pope Valley, on road to Lake Hennessy and Lake Berryessa 274 Comment
  UCD67536  Lomatium marginatum var. purpureum D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Serpentine chaparral in Capell Creek. 380 Comment
  HSC103468  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane Nelson 1981-4-14 6373 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 Comment
  SBBG5213  Lomatium nudicaule H. and M. Dearing 1939-5-1 3252 Napa Spring Mtn Grade Comment
  JEPS104552  Lomatium repostum Jake Ruygt 1989-5-13 2324 Napa Vaca Mtns. about 1 mile north of Mt.Vaca 798 Comment
  RSA42338  Lomatium repostum Lincoln Constance, Davidson, Wagner, Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  JEPS104475  Lomatium utriculatum Jake Ruygt 1979-4-23 545 Napa 3.4 miles east of Silverado Trail on HWY 128 103 Comment
  JEPS17552  Lomatium utriculatum Mrs. Mary Van. E. Ferguson 1919-4-13 203 Napa near Atlas Mt. Comment
  SBBG9303  Lonicera hispidula S. Wagener 1955-5-15 60 Napa lookout spot ca. 0.5 mi SW of Oakville, on Trinity Rd Comment
  JEPS12850  Lonicera hispidula var. vacillans W. L. Jepson 1898-1-4 Napa Howell Mountain Comment
  UC1536786  Lonicera hispidula var. vacillans G. H. True 1937-6-21 733 Napa near Lokoya Lodge 365 Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  UCD147531  Lonicera interrupta Ellen Dean; Diana Hickson 2014-4-29 8085 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD20507  Lonicera interrupta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1080 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
  UCR43198  Lotus humistratus L. F. LaPre 1986-5-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary to Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. line 366 Comment
  UCD23430  Lotus humistratus Fumi Takeda 1977-4-16 24 Napa Yellow petals, stems branching from base, tap root slender. Foothill woodland, open meadow adjacent to Hwy 128. 6.4 miles southwest from Monticello Dam. 182 Comment
  RSA617140  Lotus micranthus A. C. Sanders 1996-6-1 18193 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  UC1300861  Lotus micranthus Helen K. Sharsmith 1963-4-20 5340 Napa s slopes Mt. Atlas; San Francisco Bay Region 609 Comment
  CDA27274  Lotus micranthus T. C. Fuller 1958-5-1 3721 Napa Highway 53, 3.5 miles north of Calistoga. 0 Comment
  JEPS65170  Lotus micranthus W. L. Jepson 1938-5-18 18793 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  JEPS65171  Lotus micranthus W. L. Jepson 1938-5-25 18855 Napa outside Bell Canyon Howell Mountain 579 Comment
  JEPS107208  Lotus pinnatus Jake Ruygt 1986-5-18 1774 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 449 Comment
  JEPS107206  Lotus purshianus var. purshianus Jake Ruygt 1992-5-15 2960 Napa NW of Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  UC1129135  Lotus scoparius A. Lewis 1932-5-1 103 Napa Sarco Creek Napa Quad. 243 Comment
  UCD78330  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-9-14 05- 21 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 99 Comment
  SEINET5327608  Lupinus albicaulis C. M. Fryer 1948-5-1 14 Napa 14 miles north of Monticello. Comment
  UC1217066  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa along the road to Pope Valley 2 mi above St. Helena Sanitarium; rd to Pope Valley Comment
  SEINET197847  Lupinus albifrons Mrs. H. P. Bracrlin 1930-3-29 5 m-3'30 Napa N.W. flaubs of Int. Yanger. Uprn Firddes abouth 1M. Prigles Comment
  UC201116  Lupinus albifrons var. albifrons Katharine Brandegee 1918-7-31 Napa Toll House Mt. St. Helena (Mt. St. Helena); , Toll House Comment
  UCD170209  Lupinus albifrons var. albifrons Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 748 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  JEPS107230  Lupinus bicolor Jake Ruygt 1980-5-13 889 Napa Campbell Flat, Mt. St. John 316 Comment
  UC15866  Lupinus formosus W. H. Brewer 1861-11-5 857 Napa Napa Valley; ; Fields near Camp 64 (modern Yountville) fide FB Comment
  JEPS65233  Lupinus formosus var. formosus W. L. Jepson 1897-5-2 71 t Napa St. Helena Comment
  POM66217  Lupinus latifolius subsp. latifolius Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD18165  Lupinus microcarpus 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
  UCD47987  Lupinus microcarpus L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 17 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on east side of the dirt road. 390 Comment
  UCD161788  Lupinus microcarpus Jake Ruygt 1998-4-27 3946 Napa Foley Creek Basin, west ridge, east of Berryessa-Knoxville Road. 414 Comment
  JEPS107218  Lupinus microcarpus var. densiflorus Jake Ruygt 1980-4-22 838 Napa 1.3 miles east of Pope Valley Middle Rd. on Pope Canyon Rd. 187 Comment
  JEPS65097  Lupinus microcarpus var. densiflorus W. L. Jepson 1920-5-25 9049 Napa Zem-Zem Comment
  SEINET239734  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa Rocky roadside CA 128 E. 7.4 mi E jct. Hwy 29 in Ruthford. 3.6 mi w jct. lower Chiles Valley Rd. Comment
  UC1601852  Lupinus microcarpus var. densiflorus Willis L. Jepson 1894-5-1 Napa Conn Valley; Napa River Basin, Conn Valley Comment
  OBI48334  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  UCD108640  Lupinus microcarpus var. densiflorus J. K. Clark 1966-5-11 26 Napa 8 miles south of Knoxville on Knoxville-Berryessa road. Comment
  JEPS107216  Lupinus microcarpus var. microcarpus Jake Ruygt 1988-5-29 2195 Napa Cedar Valley 588 Comment
  UCD47992  Lupinus microcarpus var. microcarpus Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 21 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS65362  Lupinus nanus W. L. Jepson 1915-4-23 6241 Napa hills e St. Helena; hills e of St. Helena Comment
  UCD48962  Lupinus nanus L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 15 Napa SW end of Lake Berryessa, Quail Ridge Reserve, above stream that runs along North Decker Canyon Rd., 50-70 ft. N of stream. 167 Comment
  UCD161611  Lupinus nanus Jake Ruygt 2001-4-18 4308 Napa Sulphur Springs Road, St. Helena. 76 Comment
  SEINET10486273  Lupinus subvexus James P. Smith, John O. Sawyer 1970-5-17 Smith, Jr. 3790 Napa 9 mi n of pope valley; digger pine chapparal; serpentine. Comment
  JEPS107243  Lupinus succulentus Jake Ruygt 1982-5-8 1227 Napa American Canyon .7 miles east of Flosden Road 54 Comment
  UCD170379  Lupinus succulentus Daniel Potter; N Khuu 2016-5-8 876 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 223 Comment
  UCD47980  Lupinus succulentus S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, K. Watts 2000-4-28 17 Napa Napa County, McLaughlin Reserve, north of Knoxville-Berryessa Rd., just south of old town of Knoxville, east of Old Knoxville Rd. 426 Comment
  UCD54564  Lupinus succulentus K. Walker; PLB 102 2006-5-13 6 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  RSA15625  Lupinus vallicola subsp. apricus Carl B. Wolf 1928-2-25 1481 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  POM202756  Lupinus vallicola subsp. apricus I. L. Wiggins 1932-3-12 5765 Napa Between Franz Valley and Calistoga. Comment
  RSA15623  Luzula comosa Carl B. Wolf 1928-2-25 1484 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC127158  Lythrum hyssopifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7100 Napa Howell Mountain, Alta Loma Ranch Alta Loma Ranch; Howell Mountain, Alta Loma Ranch 487 Comment
  RSA0011307  Lythrum hyssopifolia E. S. Spalding 1924-7-7 s.n. Napa Napa Valley near St. Helena. Comment
  UCD161610  Madia elegans Jake Ruygt 2000-10-9 4286 Napa Snell Peak. 457 Comment
  CDA10870  Madia exigua G. F. Hrusa, M. Rejmanek 1993-5-15 10965 Napa UC Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA31290  Madia exigua D. G. Kelch 2010-5-6 10 .181 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  POM231110  Madia exigua Jens Clausen 1935-5-22 1070 Napa Ca. 1 mile east of Chiles Valley Store Comment
  UC584054  Madia exigua J. Clausen 1935-5-22 1070 Napa ca 1 mi e Chiles Valley Store Comment
  CAS-BOT-BC343197  Madia gracilis Peter H. Raven 1952-5-31 4139 Napa Summit of hills sw. of Rector Canyon 304 Comment
  CAS-BOT-BC343202  Madia gracilis J. Clausen 1935-5-22 1071 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  CAS-BOT-BC343203  Madia gracilis H. M. Hall 1931-5-26 13091 Napa Napa Range, east slope near summit 335 Comment
  JEPS40204  Madia gracilis Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa River Basin Comment
  NY214974  Madia hallii H. M. Hall 1931-5-27 13094 Napa Near Knoxville, northeastern Napa County. Comment
  CDA11134  Madia nutans G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11824 Napa North Coast Biodiversity Arena; Mt. George. Comment
  CLARK-A1528-2006  Madia nutans John C. Roos 1939-4-16 258 Napa Angwin Comment
  CAS-BOT-BC345043  Madia sativa Peter H. Raven 1951-8-19 3847 Napa Near Lokoya 487 Comment
  JEPS106637  Madia sativa Jake Ruygt 1987-5-27 2016 Napa Dept. of Fish and Game, Huichica Cr.prop erty near Buchli 2 Comment
  CAS-BOT-BC508545  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1432 Napa Wooden Valley Grade above Napa 304 Comment
  JEPS106900  Malacothrix clevelandii Jake Ruygt 1982-5-15 1260 Napa Stag's Leap on Soda Canyon side. Yountville 7.5' Quad. 426 Comment
  UCD32571  Malacothrix floccifera Beecher Crampton 1954-5-20 1925 Napa 8 miles southwest of Monticello, along highway 128. Comment
  UCD134379  Malacothrix floccifera M. Ensign 1943-5-28 327 Napa 26 miles from Monticellow on road to Lower Lake. Comment
  UCD19946  Marah fabacea E. A. Dean; Virginia Boucher 2002-2-28 902 Napa Quail Ridge Reserve. Along East Rd., 0.65 airline miles SE of stock pond at tip of ridge, where East and West Roads converge. 396 Comment
  UC28925  Marah fabacea Willis L. Jepson 1893-4-27 Napa Napa City Napa River Basin Comment
  RSA10654  Marah oregana C. B. Wolf 1928-5-3 1835 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  UCD125022  Marrubium vulgare M. R. Wanzer 1948-5-6 12 Napa Putah Canyon, 8 miles west of Winters. Comment
  UCD35297  Medicago praecox Beecher Crampton 1955-4-7 2424 Napa Napa County; 7.8 miles north of Monticello. Comment
  CDA10875  Melica californica G. F. Hrusa, M. Rejmanek 1993-5-15 10970 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SACT001487  Melica californica John Willoughby 1977-4-27 Napa Along state highway 128 very near dam, north-facing rocky slope on south side of highway. Comment
  UCD41416  Melica californica Mark Bibbo; Ellen Dean, Burak Pekin, Alex Lee 2003-4-26 129 Napa California, Napa County, McLaughlin UC Reserve. Along Knoxville-Berryessa Road, just W of turnoff to old town site of Knoxville, side of road. 487 Comment
  UCD86443  Melica californica Beecher Crampton 1956-5-25 3465 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD86928  Melica californica Beecher Crampton 1962-5-16 6432 Napa 0.5 mile W of Aetna Springs. Comment
  NY1088729  Melica californica var. californica D. K. Christopher 2003-4-11 144 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through the canyon to old homesite foundation. 166 Comment
Read comments
May 8 2010
  CAS-BOT-BC282170  Melica geyeri Rimo Bacigalupi 1924-2-22 s.n. Napa Toll House Grade, Mount St Helena on Calistoga side Comment
  UC1112206  Melica geyeri Peter H. Raven 1957-5-5 10757 Napa hills at w edge Calistoga Comment
  CHSC30531  Melica geyeri var. aristulata N. E. H. Prouty 1980-4-12 124 Napa Along Hwy. 29, roadmarker 41.12. Ca. 4 1/2 mi. SW of Robert Louis Stevenson State Park. Western slope of Mt. St. Helena. 243 Comment
  UCD73053  Melica harfordii Ellen Dean; S. Rae 2008-5-21 4972 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  UCD87549  Melica harfordii R. Tofsrud 1941-6-1 283 Napa Road from Napa to Lacoya. Comment
  POM182711  Melica torreyana D. D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  RSA125878  Melica torreyana P. H. Raven 1957-5-5 10760 Napa Hills at western edge of Calistoga. 152 Comment
  UC421629  Melica torreyana Alice Eastwood 1922-5-4 11247 Napa Calistoga Comment
  UCD149633  Melica torreyana G. Ledyard Stebbins 1994-4-15 s.n. Napa Hennessey Lake. Comment
  POM66928  Melilotus indicus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC126552  Melissa officinalis Harley P. Chandler Sep 7 1906-Sep 14 1906 7107 Napa Alta Loma Ranch, Howell Mt. Howell Mt., Alta Loma Ranch 487 Comment
  JEPS112579  Mentha arvensis Jake Ruygt 1989-6-25 2387 Napa Napa River north of Trancas Street, Napa 3 Comment
  RSA92938  Mentha canadensis Peter H. Raven 1952-9-14 5178 Napa Conn Cree E of Yountville Comment
  JEPS115773  Mentha pulegium Lowell 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 soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  UCD149586  Mentha pulegium 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
  JEPS63441  Mentha spicata Willis L. Jepson August, 1892 14927 Napa Napa Valley Comment
  CAS-BOT-BC428857  Micranthes californica Alice Eastwood 1918-5-1 6848 Napa Mt. St. Helena Comment
  UCD102808  Micranthes californica D. H. Hartmann 1942-3-7 s.n. Napa in a canyon of Green Valley. Comment
  CAS-BOT-BC322616  Micropus amphibolus John H. Thomas 1959-4-19 7111 Napa About 2 miles SW of Oakville 152 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
  UCD18097  Micropus californicus Ellen Dean; with PLB 102 class 2000-4-29 753 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
  UC164800  Micropus californicus var. californicus J. P. Tracy 1902-5-15 1441 Napa 3-4 mi e Angwin's; head of Moore's Creek 365 Comment
  CAS-BOT-BC348546  Micropus californicus var. californicus L. S. Rose 1927-5-28 s.n. Napa Napa Valley Comment
  UC1301043  Micropus californicus var. californicus Helen K. Sharsmith 1963-4-20 5347 Napa on Monticello Road San Francisco Bay Region, southwest slope of Napa Range 152 Comment
  UC164798  Micropus californicus var. californicus Joseph P. Tracy 1902-5-26 1636 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS36215  Microseris douglasii subsp. douglasii W. L. Jepson 1924-5-8 10418 Napa Chiles Valley Comment
  CDA11431  Mimulus angustatus G. F. Hrusa, M. Tu 1995-5-6 12154 Napa North Coast Biodiversity Arena; Ink Grade approx 1 m. below intersection with Howell Mtn Rd. Comment
  JEPS4734  Mimulus angustatus E. V. Ferguson 1920-5-15 351 Napa Howell Mountain Comment
  UCD18369  Mimulus aurantiacus R. Wenk 2000-5-14 6 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  JEPS10220  Mimulus aurantiacus var. aurantiacus Willis L. Jepson 1893-4-28 78 m Napa near Mt. George (Wooden Valley grade); Napa River Basin, Napa Mts. Comment
  RSA60354  Mimulus aurantiacus var. aurantiacus G. R. Campbell 1948-6-18 657 Napa 10 miles south of Montecello Comment
  UC444808  Mimulus douglasii J. P. Tracy 1902-5-22 1624 1/2 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 365 Comment
  OBI54926  Mimulus guttatus Kathleen Faustini 1980-5-4 24 Napa Monticello Dam Comment
  JEPS2938 Image available Mimulus guttatus var. insignis Willis L. Jepson 1893-1 8 m Napa near Yountville; Napa River Basin, La Lomita; La Lomita, Napa River Basin, near Yountville Comment
  JEPS110584  Mimulus inodorus Jake Ruygt 1979-6-14 697 Napa north of PG&E substation, Tulocay, on Suscol Hill 24 Comment
  CAS-BOT-BC153780  Mimulus kelloggii Belle Richardson Jackson 1923-5-10 s.n. Napa unspecified Comment
  JEPS110615  Mimulus layneae Jake Ruygt 1999-5-17 4161 Napa Wild Horse Valley Ranch, near Leoma Lakes. 429 Comment
  JEPS33727  Mimulus layneae D. E. Breedlove 1963-5-29 5081 Napa 8 mi n Pope Valley Comment
  UCD122756  Mimulus layneae S. E. Schoenig 1998-6-3 98- 21 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. 655 Comment
  UCD160648  Mimulus layneae Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8734 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  JEPS11442  Mimulus microphyllus Willis L. Jepson 1893-5-8 10 m Napa La Jota Plateau Napa River Basin, Howell Mountain Comment
  UC26939  Mimulus microphyllus Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UCD160788  Mimulus microphyllus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8668 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
  UCD63063  Mimulus microphyllus Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville-Berryessa Road between Moskowite Corner and Spanish Flat. 190 Comment
  UC131116  Mimulus nasutus Katharine Brandegee 1909-6-1 Napa Pope Valley grade from Calistoga Comment
  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
  JEPS101493  Mimulus nudatus Dean W. Taylor 1998-5-20 16445 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
  UC1731235  Mimulus nudatus Dean W. Taylor 1998-6-18 16674 Napa small side canyon 0.5 mi n of mouth into Pope Valley Butts Canyon; NCoRI 289 Comment
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  JEPS110594  Mimulus pulsiferae Jake Ruygt 1992-5-6 2946 Napa west of Mitten Lake, Wild Horse Valley 420 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
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  JEPS29590  Minuartia californica Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8447 Napa along Atlas Peak Rd 4.8 mi n Vichy Springs (junction of Calif. 37) (due w of and above Milliken Reservoir) 335 Comment
  CAS-BOT-BC467200  Minuartia californica L. R. Abrams 1928-5-2 12222 Napa St. Helena Grade Comment
  CAS-BOT-BC388754  Minuartia douglasii L. R. Abrams 1928-5-3 12222 Napa St. Helena Grade Comment
  RSA10696  Minuartia douglasii C. B. Wolf 1928-5-3 1791 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD160645  Minuartia douglasii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8732 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD41323  Minuartia douglasii Ellen Dean; T. and M. Starbuck 2004-4-3 2002 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  UCSB1839  Minuartia douglasii Kamb, Peter; Chisaki, Francia 1950-4-22 Napa South side of canyon of Sage Creek; about 3 miles east of Chiles Valley 304 Comment
  CAS-BOT-BC388758  Minuartia douglasii John Thomas Howell 1933-6-4 11393 Napa Hills east of Napa Comment
  CAS-BOT-BC388762  Minuartia douglasii Betty H. Johnson 1958-6-15 611 Napa Slope near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  UCD167260  Mollugo verticillata Jake Ruygt 1991-6-29 2753 Napa 3.2 miles north of Pope Canyon Road on Berryessa Knoxville Road. 121 Comment
  CAS-BOT-BC220615  Monardella villosa Betty H. Johnson 1958-6-15 616 Napa Near St. Helena River, 6.4 mi. S. W. of Middletown Comment
  JEPS110814  Monardella villosa subsp. villosa Jake Ruygt 1989-6-3 2361 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 438 Comment
  CAS-BOT-BC220694  Monardella viridis Peter H. Raven 1951-8-21 3874 Napa Mt. Veeder 762 Comment
  CAS-BOT-BC220698  Monardella viridis John Thomas Howell 1941-6-21 16319 Napa Hills sw. of St. Helena Comment
  UC419738  Monardella viridis Mrs. H. P. Bracelin 1930-7-13 28 Napa s slope Mt. St. Helena Comment
  UCD82594  Monardella viridis Ellen Dean; T. Starbuck 2009-5-4 5533 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  JEPS110826  Monardella viridis subsp. viridis Jake Ruygt 1979-7-21 755 Napa 1 mile SW of College Ave. on Howell Mtn Road 463 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
  JEPS2654  Monardella viridis subsp. viridis W. L. Jepson 1894-10-13 70 d Napa Upper Conn Valley Napa Range; Upper Conn Valley, Napa Range Comment
  JEPS55471  Monardella viridis subsp. viridis Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  UCR212282  Monardella viridis subsp. viridis 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
  SEINET10582240  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 368 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  SEINET10829406  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 371 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  UCD170521  Monolopia major Daniel Potter; Ninh Khuu 2017-5-14 919 Napa Knoxville Wildlife Area, along Nevada Creek. 330 Comment
  UC195823  Monolopia major C. F. Sonne Apr 1888 Napa field near Napa Junction Comment
  UCD63152  Monolopia major Jake Ruygt 1998-4-22 3931 Napa Blue Monday Mine, Cement Creek Road. 499 Comment
  UCR151585  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  CAS-BOT-BC515124  Muilla maritima Peter H. Raven 1957-5-5 10743 Napa Near the hot springs, Calistoga 91 Comment
  JEPS45794  Nassella lepida Eleanor Armstrong 1932-6-8 190 Napa 4 mi sw Mt. Mill House; Mt. St. Helena 304 Comment
  JEPS76080  Nassella lepida W. L. Jepson 1938-5-20 18802 Napa open slope above vineyard of John Ballentine (above St. Helena Sanitarium); Howell Mountain Comment
  SEINET201032  Nassella lepida Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi east of St. Helena 305 Comment
  UCD48419  Nassella lepida M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 5 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines. 304 Comment
  UCD87903  Nassella lepida Gerry North 1993-3 27 Napa Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 60 m S of Vista Point at old slide. On NE side of Adobe Canyon Road. Comment
  UCD87658  Nassella pulchra Robert E. Preston 1988-4-10 581 Napa 0.4 miles southwest of the confluence of Putah and Hunting Creeks, on a southeast-facing slope. Jericho Valley 7.5 feet quad. 268 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
  CAS-BOT-BC230261  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa Just S of Pope Creek Bridge, S of Walters Springs Comment
  POM261443  Navarretia cotulifolia J. T. Howell 1939-4-30 s.n. Napa Walter Springs. Comment
  UC518932  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa s of Walters Springs (Pope Creek bridge); Pope Creek Comment
  UC908587  Navarretia cotulifolia Herbert L. Mason 1934-4-30 8111 Napa tributary of Putah Creek Pope Valley, Putah Creek Comment
  UC963914  Navarretia divaricata subsp. vividior Milo S. Baker 1947-7-7 11854 Napa s of Mt. St. Helena Inn (rd leading towards the Crater) 914 Comment
  JEPS120360  Navarretia heterandra Jake Ruygt 2006-5-16 5026 Napa Lower Anderson Creek Canyon near Berryessa Valley. Brooks 7.5' Quad. Comment
  JEPS70312  Navarretia heterodoxa W. L. Jepson 1894-10-14 20962 Napa w of Calistoga (hills back of Rebecca Ranch); Spring Mt. Range Comment
  UC143008  Navarretia heterodoxa Mrs. K. Brandegee 1910-7-28 139 Napa Angwin Comment
  UC657734  Navarretia heterodoxa Milo S. Baker 1941-6-30 10156 Napa n road from Silverado Trail (along highway to Howell Mt.) Comment
  UCD167177  Navarretia heterodoxa Jake Ruygt 1982-6-19 1329 Napa Soda Canyon west of grade. 396 Comment
  UC143015  Navarretia intertexta Katharine Brandegee 1910-7-27 Napa near Angwin's Comment
  JEPS16710  Navarretia intertexta Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4126 Napa 5.25 mi n Calistoga (along road to Middletown (State Highway 29)) 411 Comment
  UC908407  Navarretia intertexta Herbert L. Mason 1935-5-30 8329 Napa between Lower Lake and Knoxville mine (Napa-Lake counties) Comment
  JEPS112534  Navarretia intertexta subsp. intertexta Jake Ruygt 1980-6-21 932 Napa Bear Valley 621 Comment
  UCD36945  Navarretia intertexta subsp. intertexta Beecher Crampton 1956-5-25 3470 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD106388  Navarretia linearifolia subsp. pinnatisecta K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UC23709  Navarretia mellita Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  CAS-BOT-BC232672  Navarretia pubescens Edward Lee Greene 1881-6-30 s.n. Napa Calistoga Comment
  CAS-BOT-BC232673  Navarretia pubescens John H. Thomas 1955-5-21 180 J Napa Near State Highway No 128 and Cappell Creek, about 12 miles E of St Helena 274 Comment
  UC130855  Navarretia pubescens Katharine Brandegee 1909-6-1 Napa grade from Calistoga Pope Valley Comment
  JEPS70416  Navarretia pubescens Willis L. Jepson 1892-7-28 20964 Napa near Knoxville (ne Napa Co.); Mountain Region of Clear Lake Comment
  UCD167195  Navarretia pubescens Jake Ruygt 2010-6-5 5591 Napa Snell Valley, Missimer Preserve, 33 acre addition. 176 Comment
  UC142969  Navarretia squarrosa Katharine Brandegee 1910-7-26 Napa Pope Valley Comment
  CDA19939  Navarretia squarrosa R. McLellan, M. Bozzo 2002-7-5 PDR 1220417 Napa North Coast Ranges; Vicinity of Calistoga. 0 Comment
  SEINET196694  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Tributary of Putah Creek, Pope Valley. Comment
  JEPS70510  Navarretia viscidula Willis L. Jepson 1903-9-6 2347 Napa St. Helena Napa River Basin Comment
  JEPS70499  Navarretia viscidula W. L. Jepson 1938-9-22 19015 Napa near Sanitarium (in Lyons Valley, in lower slopes of Howell Mt.); Howell Mt., Lyons Valley Comment
  UC909076  Navarretia viscidula Herbert L. Mason 1935-5-30 8321 Napa just s Napa State Hospital Comment
  JEPS106577  Nemacladus capillaris Jake Ruygt 1992-6-13 3034 Napa Bear Valley, on road, west of creek 633 Comment
  UC545816  Nemacladus montanus Herbert L. Mason 1935-5-30 10000 Napa 4 mi n Knoxville Mines Comment
  UCD149662  Nemacladus montanus 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
  UCD72910  Nemacladus montanus B. Wengeler 1995-4-30 s.n. Napa 2 m N of hwy 128 along Knoxville Rd. 183 Comment
  UCD126385  Nemacladus montanus Beecher Crampton 1954-5-20 1924 Napa State Highway 128, 8 miles southwest Monticello. Comment
  JEPS129070  Nemophila heterophylla Jake Ruygt 2016-3-26 6166 Napa Wantrup Wildlife Preserve. Saint Helena 7.5' Quad. Comment
  UCD13125  Nemophila heterophylla Kathleen Worden 1981-4-28 2 Napa Napa CO. On highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  UCD49089  Nemophila heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd. 182 Comment
  UCD49093  Nemophila heterophylla A. Van Houtte; E. Leger and C. Hohn 2001-4-14 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., in drainage NW and upslope of Decker Canyon stock pond. 152 Comment
  UCD49095  Nemophila heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 6 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. Between stream and South Decker Canyon Rd., where stream comes within 6 ft. of the road. 152 Comment
  UCSB5319  Nemophila heterophylla Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37; 500 feet above valley floor 304 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
  POM197561  Nemophila heterophylla L. R. Abrams 1928-5-4 12613 Napa Summit of St. Helena Grade near Toll House. Comment
  POM248912  Nemophila heterophylla Lincoln Constance 1938-3-27 2035 Napa East slope 5 miles east of Napa, in the Howell Mountains, North Coast Ranges. 457 Comment
  RSA92829  Nemophila heterophylla Peter H. Raven 1950-5-6 2033 Napa Shaded south limits of Calistoga, on Route 28. 61 Comment
  UC545857  Nemophila menziesii E. Crum 1936-3-15 1738 Napa Chiles Valley Road 3.2 mi from Pope Valley Store; Chiles Valley Road <nr> Pope Valley Store Comment
  UCD120214  Nemophila menziesii G. F. Hrusa; S. Larson 1995-4-10 12063 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  UCD120237  Nemophila menziesii G. L. Webster 1967-3-23 7494 Napa c. 1 mi S of Spanish Flat. 167 Comment
  UCD82053  Nemophila menziesii Robin McMaster 1972-4-22 69 Napa Pope Valley. Comment
  JEPS1480  Nemophila menziesii W. L. Jepson 1940-2-29 19497 Napa Yount School Vicin San Francisco Bay, e side Napa Valley, Yount School (e side Napa Valley, vicinity of San Francisco Bay) Comment
  UC1237966  Nemophila menziesii var. atomaria John H. Weiler 1961-2-17 617 Napa 2.6 mi s Napa State Hospital (in a pasture beside State Highway 12); s of Napa State Hospital Comment
  JEPS110840  Nemophila parviflora var. parviflora Jake Ruygt 1980-3-30 822 Napa Van Ness Canyon 609 Comment
  JEPS110869  Nemophila pedunculata Jake Ruygt 1993-4-3 3183 Napa Little Bear Valley 673 Comment
  JEPS115764  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 133 Comment
  SD58155  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  JEPS115850  Nicotiana quadrivalvis Lowell Ahart 2009-10-12 16454 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 437 Comment
  UC672086  Odontostomum hartwegii Herbert L. Mason 1934-4-30 8102 Napa w. side near summit Wooden Valley Grade Comment
  UCD166656  Odontostomum hartwegii Jake Ruygt 1980-6-4 912 Napa end of Soda Canyon county road. 426 Comment
  JEPS110571  Orobanche fasciculata Jake Ruygt 1987-5-16 1993 Napa Devil's Canyon north of falls 579 Comment
  UCD167256  Orobanche fasciculata Jake Ruygt 1992-5-12 2955 Napa Tuteur Ranch, NE of reservoir on Spencer Creek. 249 Comment
  UC1197452  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1902-5-16 1494 Napa Northern Coast Ranges. Howell Mountain, at head of Moore's Creek, 3-4 miles east of Angwin's. Comment
  JEPS110567  Orobanche valida subsp. howellii Jake Ruygt 1986-6-14 1823 Napa Craters, canyon at head of Table Rock 707 Comment
  POM161092  Orthocarpus faucibarbatus R. C. Bacigalupi 1926-3-27 1253 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  RSA293054  Orthocarpus faucibarbatus Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 728 Napa 6 miles north of S. Helena on the State Hwy 128. Comment
  POM182685  Orthocarpus pusillus D. D. Keck 1931-4-3 1072 Napa Pope Valley P.O. Comment
  UCD160568  Osmorhiza berteroi G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. 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-BC316825  Packera clevelandii Joseph Prince Tracy 2221 Napa Howell Mtn. Head od Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  SEINET9352078  Packera clevelandii Unknown 1993-10-3 11425 Napa Moist edges of stream w/n stand of Cupressus sargentii. 2.6 mi SW along Knowville-Devilhead Rd from Knoxville-Berryessa Rd. Comment
  UCD134745  Packera clevelandii Robert E. Preston 1987-6-18 565 Napa 1.4 mile northeast of Big Basin. 414 Comment
  SEINET11744634 Image available Packera clevelandii J. P. Tracy 1905-7-6 2221 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's 366 Comment
  JEPS17410  Packera eurycephala var. eurycephala W. L. Jepson 1938-6-11 19009 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  JEPS17411  Packera eurycephala var. eurycephala W. L. Jepson 1938-5-22 18835 Napa Pope Valley Comment
  UC577240  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa 1 mi below Samuels Springs; Pope Creek Comment
  UC1328136  Packera greenei Donald V. Hemphill 1941-5-15 162 Napa 2 mi se Angwin; Blakes Canyon 426 Comment
  UC581701  Packera greenei Joseph P. Tracy 1933-6-2 12489 Napa 5 mi e Angwin's (on hills at head of Moores Creek); Howell Mountain, Moores Creek 457 Comment
  UCD88171  Panicum acuminatum var. fasciculatum M. S. Baker 1942-6-26 10207 Napa Theological Seminary Pine Crest, 1 mile East of Pacific Theol. Sem. Comment
  CAS-BOT-BC253677  Panicum capillare R. F. Hoover 1966-8-23 9933 Napa Butts Canyon near Lake County line Comment
  SEINET242421 Image available Panicum capillare Beecher Crampton 1968-10-1 8386 Napa UC Ca. 3 miles N of Moskowite Corner on Hwy. 128. Comment
  UC972131  Parvisedum pumilum Helen K. Sharsmith 1952-6-7 4122 Napa road to Atlas Peak, Inner North Coast Ranges Atlas Peak; Inner North Coast Ranges 609 Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS110745  Pedicularis densiflora Jake Ruygt 1990-2-24 2437 Napa Mt. George 246 Comment
  POM146620  Pedicularis densiflora A. A. Heller 1924-4-12 13840 Napa About 5 miles south of Calistoga. Comment
  UCD123309  Pedicularis densiflora Gerald D. Carr 1971-3-3 521 Napa 1.3 miles west of Berryessa-Knoxville Rd. On California 128, 6 miles west of Moskowite Corners. Comment
  UCD169887  Pedicularis densiflora Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 726 Napa Knoxville Wildlife Area. 311 Comment
  UCR20384  Pedicularis densiflora D. V. Hemphill, J. C. Roos 1949-4-16 4289 Napa North Coast Range, Pacific Union College, Howell Mountain 499 Comment
  UCD47773  Pellaea andromedifolia Ryan Knox; E. McDermott and G. Walden 2002-4-13 6 Napa Napa Co., Mclaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on south side of road, from Knoxville Creek's bank. 432 Comment
  CAS-BOT-BC71380  Pellaea mucronata Alice Eastwood 1922-5-4 11268 Napa Mt. St. Helena Comment
  CAS-BOT-BC71381  Pellaea mucronata Evelina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  UCD149673  Pellaea mucronata var. mucronata 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
  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
  JEPS120382  Pentachaeta alsinoides Jake Ruygt 1983-4-26 1445 Napa Hwy 12 at Sonoma Co. line Comment
  CAS-BOT-BC71676  Pentagramma triangularis subsp. triangularis Peter H. Raven 1953-2-21 5193 Napa Wooden Valley Grade 274 Comment
  UCD48370  Pentagramma triangularis subsp. triangularis C. Matthews; K. Glover, C. Little, T. Petrie 2001-4-14 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. South side of Decker Bay Trail; 250' W of junction with West Road. 152 Comment
  UCD63189  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1998-8-15 4106 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  UCD170281  Perideridia kelloggii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 821 Napa Knoxville Wildlife Area, north of Nevada Creek. 535 Comment
  UCD18114  Perideridia kelloggii K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 50 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
  JEPS104483  Perideridia oregana Jake Ruygt 1998-7-6 4078 Napa SW of Snell Peak. 390 Comment
  JEPS12398  Perideridia oregana W. L. Jepson 1894-10-13 14808 Napa Upper Conn Valley Napa Range Comment
  RSA637565  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles E of intersection of Hwy 128 and Chiles Pope Valley Road. 488 Comment
  UC917309  Petrorhagia dubia R. L. Smith 1948-5-8 Napa 6 mi N of Aetna Springs, Pope Valley Comment
  POM65431  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena. Comment
  JEPS110852  Phacelia corymbosa Jake Ruygt 1988-5-29 2190 Napa sensitive plant canyon SE of Hunting Creek campground 411 Comment
  UCD120398  Phacelia distans K. Esau 1938-4-13 s.n. Napa Highway between Monticello and Napa. Comment
  UCD120436  Phacelia distans M. Wiesendanger 1927-5-4 670 Napa Near Monticello. Comment
  UC672424  Phacelia distans Herbert L. Mason 1926-3-14 2724 Napa sw slope Mt. St. Helena Comment
  HSC43967  Phacelia divaricata Robert M. Specht 1977-4-11 619 Napa Drainage at Pocock Creek 500 Comment
  UCD167993  Phacelia divaricata James A. Neilson Jr. 1977-4-13 3870 Napa Oat Hill Mine Rd., 1/2 mile east Maple Springs. (Exact location unknown, coordinates estimated by label maker.) Comment
  JEPS78807  Phacelia egena John W. Willoughby 1977-4-27 2268 Napa s side of State Hwy 128 very near Monticello Dam; Vaca Mountains Comment
  UC723839  Phacelia imbricata Joseph Andorfer Ewan 1934-4-30 8848 Napa on Steel Canyon rd 5 mi s Monticello Comment
  UCD120299  Phacelia imbricata var. imbricata H. H. Dickson 1950-4-1 22 Napa Putah Canyon about 5 miles west of Winters. Comment
  SD72097  Phacelia nemoralis John Thomas Howell 1937-7-4 13061 Napa Looden Valley Grade. Comment
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May 31 2018
  UCR49791  Phalaris aquatica J. Nevin 1987-5-22 34 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  JEPS122957  Phalaris lemmonii Jake Ruygt 1987-4-22 1961 Napa Ragg ridge (Quail Ridge Preserve. Quad: Cuttings Wharf. Comment
  JEPS110943  Phlox gracilis Jake Ruygt 1979-3-11 447 Napa Trefethen hillside property NE of Carell Lane 152 Comment
  UC903161  Phlox gracilis Ethel Crum 1937-4-19 1783 Napa 15 mi ne Napa; Napa Range, Steele Canyon Comment
  UC908224  Phlox gracilis Herbert L. Mason 1926-3-22 2791 Napa between Calistoga and Petrified Forest Comment
  UCD167204  Phlox gracilis Jake Ruygt 1986-3-14 1643 Napa north of Highway 12 near Sonoma county line. 106 Comment
  UCD48242  Phoradendron bolleanum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 6 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  RSA654885  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2 miles SW along Knoxville-Devilhead Road from Knoxville-Berryessa Road. 518 Comment
  UCD118117  Phoradendron leucarpum subsp. tomentosum Megan Mateo; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  CAS-BOT-BC171141  Phoradendron serotinum subsp. tomentosum John Thomas Howell 1926-10-3 2202 Napa Mt. St. Helena Comment
  UCD149584  Phyla nodiflora Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  UCD113674  Physocarpus capitatus B. Crampton 1954-5-20 1921 Napa Along Conn creek, Sage Canyon, Hwy. 128, 3 miles east of Rutherford. Comment
  UCD164735  Pickeringia montana Jake Ruygt 2014-6-23 6014 Napa Sutro Ranch, Atlas Peak. 544 Comment
  CAS-BOT-BC202267  Pickeringia montana var. montana Belle R. Jackson 1939-6-11 s.n. Napa Mead Ranch, Atlas Way, Napa Mts. Comment
  RSA176554  Pickeringia montana var. montana Peter H. Raven 1962-5-31 17917 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  UC1197437  Pickeringia montana var. montana Joseph P. Tracy 1938-6-5 15833 Napa 3-4 mi Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC17042  Pickeringia montana var. montana Willis L. Jepson 1896-2-23 Napa La Jota Falls Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC73373  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa Along forest road about 1.5 miles from summit of Mount St. Helena. 1066 Comment
  JEPS120326  Pinus coulteri Jake Ruygt 1999-12-30 4219 Napa End of Lommel Road, Calistoga. Calistoga 7.5' Quad. Comment
Read comments
Jul 25 2018
  SEINET267025  Pinus sabiniana Royal D. Suttkus 1967-6-26 67- 30 -43 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  SEINET3221130 Image available Pinus sabiniana Royal D. Suttkus 1967-6-26 67- 30 -43 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC400310  Pinus sabiniana W. L. Jepson Dec 1895 Napa Conn Valley St. Helena Comment
  JEPS120441  Piperia transversa Jake Ruygt 1991-6-29 2751 Napa .7 mile south of White Cottage Rd. on Howell Mtn Rd. Comment
  CAS-BOT-BC254387  Piptatherum miliaceum Catherine Best 1991-5-25 1379 Napa On BLM land in NE part of county Comment
  JEPS60944  Plagiobothrys bracteatus Willis L. Jepson 1893-4-24 21164 Napa hills e of St. Helena to Conn Valley; Napa River Basin Comment
  UC78139  Plagiobothrys bracteatus Alice Eastwood 1900-5-8 Napa Calistoga Comment
  UC55922  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1843 Napa near Calistoga (Napa Valley); Napa Valley 91 Comment
  UCD74374  Plagiobothrys bracteatus Jake Ruygt 2008-5-21 5339 Napa Near Wildlake Ranch, pond south of Walnut Flat. St. Helena. 664 Comment
  HSC81992  Plagiobothrys cognatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5155 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  SBBG117336  Plagiobothrys fulvus B. Crampton 1955-4-7 2436 Napa 7.8 mi N of Monticello Comment
  JEPS68059  Plagiobothrys nothofulvus Willis L. Jepson 1893-4-26 21162 Napa Rutherford Napa River Basin Comment
  UCD148840  Plagiobothrys nothofulvus Ellen Dean; Diana Hickson 2014-4-29 8144 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  JEPS68113  Plagiobothrys nothofulvus Elsa Kraeger 1926-3-27 Napa along road to Soscol Comment
  RSA0051321  Plagiobothrys nothofulvus Keith E. Hoffmaster 1946-3-23 1040 Napa Napa range, along Napa-Monticello road. Comment
  UCD15494  Plagiobothrys nothofulvus Kathryn Specht 1984-4-28 8 Napa 2 miles East of Knoxville Road on Coyote Knoll. 121 Comment
  JEPS129104  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2016-5-3 6232 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD48656  Plagiobothrys stipitatus var. micranthus A. Collier; D. Caterson and S. Kenady 2002-5-4 1 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads, near stock pond. 320 Comment
  UC1301092  Plagiobothrys stipitatus var. micranthus Helen K. Sharsmith 1963-4-20 5328 Napa 4 mi s Napa (off Kelly Road); San Francisco Bay Region 45 Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  JEPS106761  Plagiobothrys tenellus Jake Ruygt 1982-3-22 1143 Napa Kreuze Canyon 381 Comment
  JEPS68151  Plagiobothrys tenellus Willis L. Jepson 1893-4-28 21159 Napa plateau n Mt. George; Napa River Basin, Napa Range Comment
  RSA170256  Plagiobothrys tener Joseph P. Tracy 1950-5-23 18664 Napa Howell Mountain; on La Jota Plateau in Las Posadas State Forest. Comment
  UC55923  Plagiobothrys tener var. tener J. P. Tracy 1902-5-18 1538 Napa 3-4 mi e Angwin's (head Moore's Creek, Howell Mountain); Head Moore's Creek, Howell Mountain 518 Comment
  JEPS37918  Plantago elongata John Thomas Howell 1934-3-25 11780 Napa Cuttings Wharf Napa River Comment
  HSC16867  Plantago erecta Greg Bos 1963-3-24 46 Napa NW end of Lake Berryessa at Putah Creek 152 Comment
  JEPS85040  Plantago erecta Larry Heckard and Mary Ashton 1969-5-3 2194 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 Comment
  UC1301166  Plantago erecta Helen K. Sharsmith 1963-3-17 5209 Napa s side Mt. Atlas; San Francisco Bay Region 609 Comment
  UCD49190  Plantago erecta S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  JEPS110784  Plantago lanceolata Jake Ruygt 1978-5-4 286 Napa Trancas St. and Soscol Ave., Napa 7.5' Quad. 12 Comment
  JEPS120328  Platystemon californicus Jake Ruygt 2005-3-20 4708 Napa Alston Park, Dry Creek Road, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC91870  Platystemon californicus John Thomas Howell 1926-3-20 1691 Napa Near Calistoga. Comment
  UC855258  Platystemon californicus Lewis S. Rose 1939-4-16 39066 Napa 6 mi s Napa 30 Comment
  UC912466  Plectritis brachystemon A. E. Borell 1928-4-13 130 Napa 10 mi s of Petaluma Comment
  UCD137580  Plectritis ciliosa J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  UC1018938  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 682 Napa Howell Mountains, Wooden Valley Grade Wooden Valley Grade; Howell Mountains, Wooden Valley Grade Comment
  UCD21506  Plectritis congesta subsp. brachystemon Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4408 Napa Quail Ridge Reserve. 243 Comment
  UC71014  Pleuropogon californicus Willis L. Jepson May 1892 Napa Napa Valley , Napa River Basin (Napa River Basin) Comment
  UCD37555  Pleuropogon californicus Beecher Crampton 1955-4-4 2392 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD92169  Poa M. S. Baker 1936-4-1 8198 a Napa road to Knoxville Mine. Comment
  UCD36940  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  UCD91110  Poa howellii Beecher Crampton 1966-5-10 7713 Napa 9 miles east of Rutherford. State Highway 128. Comment
  UCD91143  Poa howellii R. Tofsrud 1941-6-1 370 Napa near Calistoga. Comment
  CAS-BOT-BC246850  Poa napensis Peter H. Raven 1950-5-6 2026 Napa Near Old Faithful Geyser between Rts. 29 & 28, N. of Calistoga 182 Comment
  OBI22139  Poa napensis Peter H. Raven 1957-1 Napa Comment
  UC1117708  Poa napensis Alan A. Beetle 1946-5-7 4256 Napa two mi n Calistoga; Myrtledale; N of Calistoga at Myrtledale Hot Springs, Napa Co. Comment
  UCD91550  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD91553  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Calistoga. Near the hot springs at the airport. Comment
  SEINET4455613  Poa napensis A. A. Beetle 1946-1 Napa Comment
  SACT002005  Poa scabrella John Willoughby 1977-4-27 Napa Along State Highway 128 very near Monticello Dam, north-facing, rocky slope on south side of highway. Comment
  CAS-BOT-BC242897  Poa secunda subsp. secunda Peter H. Raven 1950-4-15 1719 Napa Silverado Trail outside of Napa 15 Comment
  JEPS122923  Poa secunda subsp. secunda Jake Ruygt 1983-4-2 1401 Napa End of Green Valley Road. Quad: Mt. George. Comment
  UCD18067  Poa secunda subsp. secunda Ellen Dean; with Plant Biology 102 class 2000-4-22 622 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., E side of Devil Head Rd., along road to air quality station. 548 Comment
  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
  UCD160766  Pogogyne serpylloides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8636 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
  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
  UCD98411  Polycarpon tetraphyllum Irving Grover 1954-6-29 s.n. Napa from farm buildings. Comment
  UCD148763  Polycarpon tetraphyllum var. tetraphyllum Jake Ruygt 1994-3-15 3320 Napa Napa County; Chiles Canyon Rd. about 1 mile from Chiles Valley. 365 Comment
  JEPS112606  Polygala californica Jake Ruygt 1979-6-1 642 Napa .7 mile west of HWY 29 on Diamond Mountain Rd. 146 Comment
  RSA10666  Polygala californica Carl B. Wolf 1928-5-3 1823 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1537006  Polygala californica Gordon H. True Jr. 1937-6-21 742 Napa near Lokoya Lodge 365 Comment
  UCR30826  Polygala californica John C. Roos 1939-4-18 313 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  JEPS50531  Polygonum amphibium var. emersum Willis L. Jepson 1894-11-8 Napa Napa City Napa River Basin Comment
  RSA755361  Polygonum arenastrum L. Ahart 2009-10-12 16457 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS51314  Polygonum aviculare subsp. aviculare Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC109160  Polygonum bolanderi Alice Eastwood 1915-6-6 4683 Napa Mount Saint Helena. Comment
  JEPS110849  Polygonum bolanderi Jake Ruygt 1997-11-24 3878 Napa East of Chimney Rock , between Soda Canyon and Silverado Tr 152 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
  JEPS50621  Polygonum lapathifolium W. L. Jepson 1892-10-22 Napa Napa River; bed Comment
  JEPS112608  Polygonum parryi Jake Ruygt 1986-6-14 1819 Napa Craters 719 Comment
  RSA755360  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  CAS-BOT-BC71954  Polypodium californicum John H. Thomas 1955-5-21 5122 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC72053  Polypodium calirhiza Betty H. Johnson 1958-6-20 276 Napa above old toll road ca. 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown 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
  UCD20730  Polypogon monspeliensis Ellen Dean; w/ Mark Bibbo 2002-6-17 1094 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  UCD20614  Populus fremontii subsp. fremontii E. Dean; with M. Bibbo 2002-7-5 1161 Napa McLaughlin UC Reserve. East side of Berryesa-Knoxville Rd. NW of Ore stockpile, by running drainage. 609 Comment
  UCD73521  Potamogeton nodosus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS113962  Prosartes hookeri Jake Ruygt 1978-4-6 261 Napa 1 mile west of Dry Creek Road on Redwood Road. Napa 7.5' Quad. Comment
  JEPS44960  Prunus subcordata W. L. Jepson 1925-9-27 10747 Napa Howell Mountain Comment
  JEPS106910  Pseudognaphalium luteoalbum Jake Ruygt 1982-3-22 1142 Napa Kreuze Canyon 396 Comment
  RSA195368  Pseudotsuga menziesii Gilbert Muth 1967-2-12 528 Napa Below Martin Springs. 439 Comment
  JEPS48289  Pseudotsuga menziesii var. menziesii W. L. Jepson 1903-9-7 2356 Napa hills w of St. Helena (York Canon Road); , York Creek Canon 548 Comment
Read comments
Oct 2 2012
  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
  JEPS106923  Psilocarphus tenellus Jake Ruygt 1981-4-25 1004 Napa Table Mountain 762 Comment
  UCD117072  Ptelea crenulata Cherry Kline 1964-5-8 72 Napa State Highway 128, between Monticello Dam and junction with State Highway 37, 3 miles SW of Monticello Dam. Comment
  CAS-BOT-BC72604  Pteridium aquilinum Jean Fottrell 1906-7-1 s.n. Napa Napa Comment
  CAS-BOT-BC72605  Pteridium aquilinum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, Mt. Veeder 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-BC62709  Quercus X chasei Peter H. Raven 1951-6-26 3086 Napa Capell Valley to Wooden Valley 304 Comment
  CAS-BOT-BC62710  Quercus X chasei J. M. Tucker 1954-9-23 2757 Napa beside Highway 37, 6.5 miles (by road) south of junction with Highway 28 Comment
  JEPS77933  Quercus X morehus Edward Lee 1935-12-1 1678 Napa ca 1 mi se Wooden Valley (on Wooden Valley-Monticello Road (3.5 mi s of junction), valley of the w fork of Suisun Creek) Comment
  CAS-BOT-BC61808  Quercus agrifolia John Thomas Howell 1930-10-19 5617 Napa Canyon bottom, 3 miles from Aetna Springs on Butts canyon road to Middletown Comment
  HSC83359  Quercus agrifolia W. C. Overton 1980-7-13 Napa S bank of Eticuera Creek 1.5 mi N of Lake Berryessa 177 Comment
  JEPS37367  Quercus agrifolia W. L. Jepson 1907-12-1 2972 Napa Napa Valley; Sanitarium Hill road Comment
  SEINET3140984  Quercus agrifolia Unknown 1995-6-11 sn Napa Homestead Area of McCormick Ranch, approx. 1.1 mi N of Bald Mnt. in Sugar Loaf State Park, and roughly 7 mi W of St. Helena 549 Comment
  UCD45016  Quercus agrifolia Willis L. Jepson 1901-11-17 1754 Napa Near St. Helena, Nov. 17, 1901 Comment
  UCD45050  Quercus agrifolia David Lawfer 1952-3-30 140 Napa Pasture, Napa, Napa County, California. Comment
  CDA35900  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Upper end of Lake Hennessey along Hwy 128. Comment
  SBBG111481  Quercus berberidifolia J. M. Tucker, G. L. Stebbins 1950-11-5 2004 Napa 11.5 mi NW of Monticello, beside rd to Pope Valley Comment
  UCD14676  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  CAS-BOT-BC62454  Quercus chrysolepis Bell Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC62455  Quercus chrysolepis Bell Richardson Jackson 1924-10-22 s.n. Napa Summit of Mt. St. Helena Comment
  JEPS116527  Quercus chrysolepis Jake Ruygt 1998-6-15 4028 Napa Mount Saint Helena, SW peak. Detert Reservoir 7.5' Quad. Comment
  JEPS2952 Image available Quercus chrysolepis W. L. Jepson 1893-5-4 Napa summit Mt. St. Helena; Napa River Basin; Mt. St. Helena, Napa River Basin Comment
  UCD45344  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Capell Creek. 350 Comment
Read comments
Nov 3 2006
  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
  UC993143  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
  UCD121176  Quercus douglasii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7356 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 416 Comment
  UCD45635  Quercus douglasii Frank W. Gould 1939-4-6 600 Napa Eleven miles east of Napa, abundant on canyon slopes. Comment
  CAS-BOT-BC86437  Quercus dumosa Peter H. Raven 1951-10-28 3948 Napa Conn Valley to Chiles Valley 274 Comment
  CAS-BOT-BC79832  Quercus durata John Thomas Howell 1933-8-27 11642 Napa Sage Canyon, Napa range Comment
  CDA11971  Quercus durata G. F. Hrusa, M. Hooper 1995-9-12 12463 Napa North Coast Biodiversity Arena; Margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. Comment
  CDA21880  Quercus durata T. Kono 1968-3-1 Napa Highway 128, 12.9 miles east of Rutherford. 0 Comment
  RSA38487  Quercus durata Carl B. Wolf 1944-11-1 11483 Napa 2.2 miles east of Lake County line, between Knoxville and Lower Lake. 457 Comment
  RSA624178  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2007 -24 Napa Beside road up Howell Mountian, 5.6 mi. north of St. Helena. Comment
  RSA624179  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -18 Napa Below Conn Valley Dam, hillside across creek from the picnic area. Comment
  SEINET234414  Quercus durata John Tucker 1950-11-12 2014 -20 Napa Hwy 28 7.7 road mi W of junction with Hwy 37; SE-facing slope above Sage Creek Comment
  UCD14819  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -8 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD45972  Quercus durata D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Serpentine chaparral in Capell Creek. 250 Comment
  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
  SBBG111408  Quercus durata var. durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -21 Napa below Conn Valley Dam; across crk from the picnic area Comment
  SBBG50713  Quercus durata var. durata D. Parson 1969-5-24 40 Napa W end of Capell Valley Comment
  UCD45909  Quercus durata var. durata Thomas Morley 1941-5-11 130 B Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  UCD46206  Quercus garryana John M. Tucker 1950-11-5 2005 1 Napa California, Napa Co.; near Angwin, on Howell Mountain, beside road from Pope Valley. (Collections made from 8 trees). Comment
  JEPS100413  Quercus garryana var. garryana Dean Wm. Taylor with Glenn Clifton 1990-10-30 11570 Napa Angwin, along Clark Way North Coast Ranges Comment
  UCD14549  Quercus garryana var. garryana John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -19 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD46092  Quercus garryana var. garryana J. M Tucker 1952-4-22 2360 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
  UCD46099  Quercus garryana var. garryana J. M. Tucker 1966-4-17 3938 Napa Beside Dry Creek, 0.2 mile west of junction of Trinity (Glen Ellen to Oakville) Road and Mt. Veeder Road, 3.4 miles (by road) southwest of Oakville, Napa County, California. Comment
  CDA21941  Quercus kelloggii J. M. Tucker 1976-10-24 4383 Napa Beside Dry Creek Road, 0.8 mile east of junction with Wall Road, and 5 miles (by road) southwest of Oakville. 0 Comment
  POM270255  Quercus kelloggii Lyman Benson 1931-2-26 2599 Napa Near highway summit of Mt. St. Helena, No of Calistoga, Mayacamas mt. range, Napa watershed. 549 Comment
  UC521690  Quercus kelloggii Joseph Andorfer Ewan 1933-9-17 8012 Napa trail above Mt. St. Helena <???>; Mt. St. Helena Comment
  UC615441  Quercus kelloggii Beryl O. Schreiber 1932-4-3 200 Napa road to Calistoga Comment
  UCD120920  Quercus kelloggii Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7340 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD46714  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. Helena, 0.4 mile over the north side from the summit of the road (State Highway 29), Napa County, California. Comment
  JEPS116532  Quercus lobata Jake Ruygt 1992-7-14 3093 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  UCD161648  Quercus lobata Jake Ruygt 1992-9-24 3155 -z? Napa Chiles Canyon near Chiles-Pope Valley Road? Comment
  UCD46936  Quercus marilandica Bill Davis 1966-9-26 s.n. Napa Veterans' Home Memorial Grove Napa Co., Calif. Comment
  JEPS37797  Quercus wislizeni W. L. Jepson 1938-9-28 19045 Napa La Jota Mesa Howell Mt. Comment
  UCD149565  Quercus wislizeni G. Ledyard Stebbins 1994-10-5 s.n. Napa Lake Berryessa. 1.2 miles southeast of junction of Route 128 and road to Spanish Flat. 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
  UCD83401  Quercus wislizeni Jake Ruygt 1992-7-18 3101 Napa Green Valley Ranch, end of Green Valley Rd. 316 Comment
  UCR212387  Quercus wislizeni 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
  UCD147530  Quercus wislizeni var. frutescens Ellen Dean; Diana Hickson 2014-4-29 8084 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD49052  Quercus wislizeni var. wislizeni S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 6 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  JEPS106866  Rafinesquia californica Jake Ruygt 1996-4-27 3633 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 304 Comment
  JEPS106868  Rafinesquia californica Jake Ruygt 1978-5-21 326 Napa 2.2 miles north of Sage Canyon Rd. on Chiles-Pope V.Rd. 134 Comment
  UCD63165  Rafinesquia californica Jake Ruygt 1980-5-13 891 Napa Mt. St. John. 441 Comment
  JEPS55059  Ranunculus aquatilis var. capillaceus Willis L. Jepson 1893-4-27 Napa Oak Knoll Napa River Basin Comment
  JEPS110892  Ranunculus aquatilis var. hispidulus Jake Ruygt 1982-5-16 1267 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 417 Comment
  JEPS55166  Ranunculus californicus W. L. Jepson 1904-6-3 2445 Napa Howell Mt. Comment
  POM182689  Ranunculus californicus D. D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  RSA786317  Ranunculus californicus Keith E. Hoffmaster 1946-3-23 1223 Napa Napa range, along Napa-Monticello road. Comment
  UC160921  Ranunculus californicus Joseph P. Tracy 1903-5-15 1845 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCR47044  Ranunculus californicus J. Nevin 1987-4-12 05 Napa Coast Range, Napa. East end of Brown's Valley, 1 mi on Buhman Ave. from Brown's Valley Road 61 Comment
  JEPS55171  Ranunculus californicus W. L. Jepson 1896-2-22 Napa near Stone Bridge; Howell Mountain grade Comment
  JEPS55189  Ranunculus californicus W. L. Jepson 1897-5-2 Napa near St. Helena; Bottle Mountain Comment
  UCD95959  Ranunculus californicus David Lawfer 1952-3-15 119 Napa Napa. Comment
  CAS-BOT-BC378486  Ranunculus californicus var. californicus Peter H. Raven 1953-4-2 5238 Napa Hills E of Imola 121 Comment
  CLARK-A1528-3878  Ranunculus hebecarpus John C. Roos 1939-4-1 264 Napa Comment
  POM263498  Ranunculus hebecarpus J. C. Roos 1939-4-1 264 Napa St. Helena Sanitarium, near St. Helena Comment
  JEPS110882  Ranunculus lobbii Jake Ruygt 1996-3-23 3529 Napa Wantrop Wildlife Sanctuary, Pope Valley 280 Comment
  UCD118564  Ranunculus muricatus Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road, growing at the bottom of dry ditch. 519 Comment
  JEPS77945  Ranunculus occidentalis Edward Lee 1936-3-15 1811 Napa Rutherford-Pope Valley road 10.7 mi out of Rutherford Comment
  UCD20824  Ranunculus occidentalis N. Nicola 2001-3-30 040 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD96928  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  UCD96938  Ranunculus occidentalis H. Popenoe 1949-4-17 9 Napa 17 miles from Winters, at entrance to Monticello Valley. Comment
  JEPS110878  Ranunculus orthorhynchus Jake Ruygt 1992-3-25 2861 Napa south end of Wooden Valley, Wild Horse Valley Ranch 179 Comment
  JEPS17350  Ranunculus orthorhynchus var. bloomeri Rimo Bacigalupi with John Dawson 1955-4-25 4841 Napa 2 1/2 mi s Imola (field along CA Hwy 29) Comment
  JEPS86267  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1945-3-28 27555 Napa about 3 mi se Yountville; Napa Valley Comment
  RSA92781  Ranunculus orthorhynchus var. bloomeri Peter H. Raven 1950-4-15 1708 Napa [Unspecified] 9 Comment
  JEPS110991  Ranunculus pusillus Jake Ruygt 1992-5-3 2925 Napa Skyline Park, Napa 143 Comment
  OBI14977  Raphanus raphanistrum R. L. Hoover 1968-4-20 54 Napa .25 mi from Pope Valley jctn, E on Chiles & Pope Valley Rd, in field E of service station Comment
  UCD115232  Raphanus sativus M. R. Wanzer 1948-5-6 13 Napa Putah Canyon, 8.5 miles west of Winters. Comment
  CDA3874  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. F. Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. Comment
  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
  JEPS42077  Rhamnus californica subsp. californica Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  UCD38857  Rhamnus crocea Beecher Crampton 1962-10-9 6694 Napa 3.5 miles southwest Angwin, Howell Mtn. Road. Comment
  UCD73432  Rhamnus crocea 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
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  JEPS106404  Rhododendron occidentale Jake Ruygt 1990-6-23 2597 Napa White Creek, Wild Horse Valley Ranch 390 Comment
  JEPS58755  Rhododendron occidentale W. L. Jepson 1924-4-27 10379 Napa e Mt. St. Helena (along St. Helena Creek); e of Mt. St. Helena, along St. Helena Creek Comment
  SFV8771  Rhododendron occidentale J. W. Katberg, Jr. 1966-5-11 46 Napa North Coast Ranges 1 mile north of Cedar Valley by Knoxville. 400 Comment
  UCD20689  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 1 a and b Napa Napa County, NW side of Butts Canyon Road/ Shell Valley Road, Napa 00.25 marker, SE side of Butts Creek, 10-15' from water, submerged to 1.5' at flood levels. Comment
  UCD20693  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 5 Napa Napa County, Butts Canyon Rd. along Butts Creek, 100' NW of 20.25 marker, NE side of creek at the mouth and 50' up a wash, on edge of rock bed. Comment
  UCD20695  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 Napa Napa County, Butts Canyon Rd. along both sides of Butts Creek. Lake Co. line to 500' SE of Co. line, predominately on SW bank, a few on NE bank. Comment
  UCD20697  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 7 Napa Napa County, Butts Canyon Rd/ Pope Valley Rd. near Butts Creek. NE side of Pope Valley Rd. from Shell Valley Rd S. along Butts Canyon Rd (Pope Valley Rd.) from 0.1 miles to 0.8 miles S., both sides of Butts Creek, but upstream SW side. Comment
  UCD68033  Rhododendron occidentale Allen Barnes 1976-6-1 24 Napa On highway 128, 3.9 miles Northwest of Moskowite Corners, approximately 200 yds West of roadside. Found on canyon slopes, in a moist area near creek, common but not numerous. A large bush, 3-5 ft. high. Flowers, creamy yellow and sticky. Comment
  JEPS66678  Rhododendron occidentale var. occidentale W. L. Jepson 1936-6-2 17596 Napa Four Corners, Howell Mountain. Comment
  CAS-BOT-BC92978  Ribes californicum var. californicum Peter H. Raven 1951-5-20 285 b Napa Hills west Oakville. 548 Comment
  JEPS129079  Ribes californicum var. californicum Jake Ruygt 2016-4-5 6176 Napa Gunn Ranch, E side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  CAS-BOT-BC168938  Ribes malvaceum Peter H. Raven 1953-2-21 5195 Napa Steel Canyon 213 Comment
  RSA0021660  Ribes malvaceum Peter H. Raven 1950-4-15 1770 Napa Wooden Valley Grade above Napa. 457 Comment
  JEPS9658  Ribes menziesii Willis L. Jepson Napa mountain summit w St. Helena (trail to <?>houx's Knob) Comment
  CAS-BOT-BC209365  Ribes sanguineum var. glutinosum E. L. Greene 1874-4-13 s.n. Napa Napa Valley Comment
  JEPS110833  Ribes victoris Jake Ruygt 1980-5-4 876 Napa canyon near Bateman Creek 597 Comment
  UCD167046  Ribes victoris Jake Ruygt 1988-4-11 2146 Napa Newell Canyon. 158 Comment
  SD125483  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa along state Highway 128, 0.2 miles south of intersection with Berryessa-Knoxville road, Capell Valley Comment
  UC165852  Rigiopappus leptocladus J. P. Tracy 1902-5-15 1473 Napa 3 to 4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek 457 Comment
  POM203205  Rigiopappus leptocladus J. T. Howell 1931-4-3 6130 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range. Comment
  SEINET5708897 Image available Rigiopappus leptocladus Glen Holstein 1977-1 s.n. Napa Along State Hwy 128, 0.2 miles south of intersection with Berryessa-Knoxville Road, Capell Valley.; Capell Valley Comment
  UCD63167  Rigiopappus leptocladus Jake Ruygt 1983-5-29 1467 Napa Napa Valley: Knoxville. 426 Comment
  JEPS106793  Rorippa curvisiliqua Jake Ruygt 1996-6-2 3739 Napa Buchli Station area of Duhig Road; near Huichica Creek 5 Comment
  JEPS45680  Rosa gymnocarpa W. L. Jepson 1894-10-14 13891 Napa sw Calistoga; Rebecca Ranch grade Comment
  JEPS45681  Rosa gymnocarpa W. L. Jepson 1896-2-23 13892 Napa on grade beyond Angwins (e side of mt.); Howell Mt., Pope Valley Grade Comment
  UC126648  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7114 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS112568  Rosa spithamea Jake Ruygt 1989-5-20 2338 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 798 Comment
  UCD113904  Rosa spithamea Heidi E. M. Dobson 1978-5-6 320 Napa East slope of Mt. Veeder. Comment
  SEINET11910992  Rosa spithamea F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -312 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  JEPS110650  Rubus discolor Jake Ruygt 1987-7-11 2066 Napa .2 mile west of Mt. Millhouse Camp on HWY 29 487 Comment
  UCD41469  Rumex Ellen Dean; Deborah Canington 2003-3-1 1366 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along Decker Bay Trail, right along stream. 176 Comment
  UCD118112  Rumex acetosella Megan Mateo; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Ca. 0.1 mile from fire station along undeveloped road, on north side of road. 518 Comment
  CDA34173  Rumex dentatus L. Ahart 2009-10-27 16492 Napa About 50 yards southeast of Eticuera Creek, and about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road. Approximately, 20 miles (air) northwest of Winters. Comment
  HSC100740  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, ~50 yd. SE of Eticuera Creek, ~150 yd. S of Eticuera Parking Area, at the NE end of causeway, on the S side of Berryessa Knoxville Rd., 20 (air) mi. NW of Winters. 130 Comment
  JEPS115755  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  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
  CAS-BOT-BC434079  Rumex transitorius Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  HSC70625  Rupertia physodes J. M. DiTomaso 1980-6-12 1579 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  JEPS107239 Image available Rupertia physodes Jake Ruygt 1988-5-3 2175 Napa .3 miles north of Oak Knoll Ave. on Silverado Trail 15 Comment
  SBBG115747  Rupertia physodes B. Crampton 1953-5-19 1301 Napa Hwy 128, ca. 9 mi E of Rutherford Comment
  UCD164755  Sagina decumbens subsp. occidentalis Jake Ruygt 2014-5-19 5951 Napa Sutro Ranch, Atlas Peak. 610 Comment
  POM260435  Salix L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  CAS-BOT-BC103225  Salix bonplandiana Peter H. Raven 1951-6-24 3021 Napa [Brown's] Browns Valley to Napa-Sonoma Road 91 Comment
  CAS-BOT-BC102890  Salix breweri John Thomas Howell 1961-3-31 36473 Napa near Conn Dam Comment
  CAS-BOT-BC108660  Salix breweri David D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  CAS-BOT-BC108665  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  LA208563  Salix breweri Mrs. H. P. Bracelin; 1931-4-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley 300.0 Comment
  LA208565  Salix breweri David D. Keck; 1931-4-3 1075 Napa 5 mi. NE of Aetna Springs, along Butts Creek Comment
  SJSU186  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon between Pope Springs & Aetna Valley 335 Comment
  UC457172  Salix breweri David D. Keck 1931-4-3 1075 Napa along creek 5 mi ne Aetna Springs; Butts Creek Comment
  RSA92612  Salix breweri D. D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  UCD164792  Salix breweri Jake Ruygt 1994-3-5 3406 Napa Hunting Creek. 280 Comment
  POM202754  Salix exigua I. L. Wiggins 1932-3-12 5756 Napa N fork of the Napa River. 1 mile N of Calistoga. 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-BC108190  Salix hindsiana C. F. Baker 1903-4-19 1996 Napa Calistoga Comment
  CAS-BOT-BC108195  Salix hindsiana Bracelin; Ball; Parks 1931-4-21 33 Napa On main highway in roadside ditch, about 2 km. W. of Calistoga. Comment
  UCD164804  Salix laevigata Jake Ruygt 1995-3-17 3407 Napa Silverado Trail east of Souza land, Napa. 3 Comment
  UCD164806  Salix laevigata Jake Ruygt 1997-4-8 3827 Napa East end of Taplin Road; Heitz Cellars. 109 Comment
  JEPS13832  Salix lasiolepis Willis L. Jepson 1903-9-6 2346 Napa St. Helena; Napa River Basin Comment
  UC504072  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  UCD73517  Salix lasiolepis Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD164812  Salix lasiolepis Jake Ruygt 1990-3-25 2447 Napa Napa River east of Stonehouse Drive. 4 Comment
  CAS-BOT-BC124411  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-8-20 3859 Napa Acacia Lookout nr. Lokoya 426 Comment
  CAS-BOT-BC124417  Salix lasiolepis var. lasiolepis Elsa G. Ruckert 1960-3-12 20 Napa 5 1/2 miles from Highway 12 on east side of Dry Creek Road, 100 yards from county road 335 Comment
  JEPS129066  Salvia columbariae Jake Ruygt 2016-4-2 6171 b Napa Smittle Creek NCRPOD, W of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD144655  Salvia columbariae Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS108633  Salvia sonomensis R. Raiche, H. Forbes, K Zadnik 1991-4-24 114 Napa Mt. George 542 Comment
  JEPS45507  Sanguisorba minor subsp. muricata Ethyl K. Crum 1930-7-13 813 Napa near Calistoga; near Calistoga Comment
  CAS-BOT-BC223277  Sanicula bipinnatifida Saichi Kawahara 1968-4-20 353 Napa 2 miles southwest of Pope Valley; Pope Valley-Angwin Road 499 Comment
  UC1197107  Sanicula bipinnatifida J. P. Tracy 1899-6-26 410 Napa 3-4 mi e of Angwin's (Howell Mountain, Head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UCD48523  Sanicula bipinnatifida S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UCD83722  Sanicula bipinnatifida Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 1 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 185 Comment
  RSA195384  Sanicula bipinnatifida Gilbert Muth 1967-4-9 623 Napa near Cassidy Creek 335 Comment
  SEINET11155924  Sanicula bipinnatifida K. Suhr 1967-3-24 s.n. Napa S shore of Lake Berryessa, Steele Park Resort. Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  JEPS1735 Image available Sanicula menziesii var. pedata W. L. Jepson 1893-5-1 14189 Napa Calistoga Napa River Basin; Calistoga, Napa River Basin Comment
  JEPS104493  Sanicula tuberosa Jake Ruygt 1996-4-9 3564 Napa Wontrop Wildlife Sanctuary 213 Comment
  POM133566  Sanicula tuberosa C. F. Baker 1903-4-20 10173 Napa Mt. St. Helena. Comment
  RSA15674  Saxifraga californica Carl B. Wolf 1928-2-25 1496 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  SFV11127  Scandix pecten-veneris F. M. Ball May 1961 s. n. Napa 2 miles north of Calistoga on State Highway 29. Roadside. 130 Comment
  UCSB4655  Scandix pecten-veneris Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  RSA121050  Schedonorus arundinaceus Glenn R. Hall 1956-4-23 s.n. Napa Napa. Comment
  RSA769185  Schoenoplectus maritimus L. Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  JEPS121367  Scirpus acutus var. occidentalis Jake Ruygt 1993-4-20 3215 Napa Yountville Ecological Reserve, Youngville Cross Rd. Comment
  UCD41311  Scleranthus annuus subsp. annuus Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, N side of stream, 0.5 road miles from gate to old town of Knoxville. 365 Comment
  CAS-BOT-BC516411  Scoliopus bigelovii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  SEINET10602606  Scribneria bolanderi John Thomas Howell 1940-5-19 Howell 15464 Napa Upper St. Helena Creek. Comment
  UCD19916  Scutellaria californica E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 772 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  UCD20735  Scutellaria californica Ellen Dean; w/ Mark Bibbo 2002-6-17 1099 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. 190 Comment
  RSA518791  Scutellaria siphocampyloides Barbara Ertter, Annetta Carter 1989-5-28 8504 Napa Berryessa-Knoxville Road N of Lake Berryessa, 4.7 miles S of Knoxville tunnel, along Eticuera Creek. 305 Comment
  POM263256  Sedella pumila J. C. Roos 1939-4-18 296 Napa Near Angwin, Napa Range. Comment
  CAS-BOT-BC417004  Sedella pumila A. A. Heller 1902-4-25 s.n. Napa unspecified Comment
  RSA201806  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa Just N of Soscol House restaurant, ca. 2 miles S of Napa State Hospital, State Hwy 29. Comment
  UCD101987  Sedella pumila W. R. Russell 1967-5-10 s.n. Napa just north of Soscol House restaurant, 2 miles south of Napa State Hospital, State Highway 29. Comment
  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-BC63778  Sedum radiatum subsp. radiatum Milo S. Baker 1926-3-30 s.n. Napa Mt. St. Helena- 1/2 miles E of Inn Comment
  CAS-BOT-BC63833  Sedum spathulifolium David D. Keck 1933-5-29 2354 Napa Pope Creek bridge, south of Walters Springs. Comment
  JEPS79404  Selaginella wallacei Edward Lee 1935-12-1 1669 Napa s side of road to Monticello (Wooden Valley grade, on land of F. Gagerro); Howell Mts., Sarco Creek Comment
  CAS-BOT-BC363357  Senecio aronicoides Peter H. Raven 1951-5-20 2857 Napa Hills w. Oakville 548 Comment
  UC35924  Senecio aronicoides Willis L. Jepson 1894-4-30 Napa Rebecca Ranch grade , Rebecca Ranch grade (Napa River Basin) Comment
  RSA603482  Senecio eurycephalus Joseph A. Ewan 1934-4-30 8826 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  UCD19953  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd. 0.7 airline miles N of junction of West Rd. and Decker Canyon Trail. 213 Comment
  CAS-BOT-BC364597  Senecio vulgaris Peter H. Raven 1954-1-22 6378 Napa 4 miles north of Napa 76 Comment
  CAS-BOT-BC240237  Setaria viridis Peter H. Raven 1952-9-14 5182 Napa Napa State Game Farm 121 Comment
  UCD160750  Sidalcea Ellen Dean 2015-5-23 8802 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  JEPS120340  Sidalcea diploscypha Jake Ruygt 1991-5-25 2694 Napa Paradise Valley. Jericho Valley 7.5' Quad. Comment
  RSA185857  Sidalcea diploscypha John H. Thomas 1955-5-21 5158 Napa Near State Highway No. 125 and Capell Creek, about 12 miles east of St. Helena 244 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
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  UCD170380  Sidalcea keckii Daniel Potter; N Khuu 2016-5-8 877 Napa West of Nevada Creek, west of Knoxville Wildlife Area. 294 Comment
  UC108877  Sidalcea oregana subsp. hydrophila T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  JEPS120392  Silene coniflora Jake Ruygt 2005-6-1 4882 Napa Knoxville Wildfire Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. Comment
  UCD170440  Silene gallica Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 912 Napa Knoxville Wildlife Area, Zim Zim Creek drainage northwest of Zim Zim Falls. 419 Comment
  UCD18171  Silene gallica 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
  UCD47957  Silene gallica R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 10 Napa The border of Yolo and Napa Counties, McLaughlin Reserve one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burn area (burned Oct 1999). 640 Comment
  UC465687  Silene gallica C. F. Sonne April 1888 2176 Napa Comment
  CAS-BOT-BC389184  Silene laciniata subsp. californica R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6673 Napa 10 mi. from Pacific Union College on Howell Mt. - Middletown road Comment
  JEPS126133  Silene lemmonii Jake Ruygt 2008-5-21 5346 Napa Wildlake Ranch, Rattlesnake Ridge, road to Potato Hill. Calistoga 7.5' Qua. Comment
  UCD148757  Silene verecunda Jake Ruygt 1998-6-22 4047 Napa Napa County; Buzzard's Roost. 617 Comment
  UCD151215  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  JEPS129128  Sisymbrium loeselii Jake Ruygt 1999-3-20 4121 Napa Atlas Peak Road across from Miliken Reservoir. Capell Valley 7.5' Quad. Comment
  UCD63065  Sisymbrium officinale Ellen Dean 2008-4-8 4770 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road, at junction with South Decker Canyon Rd. 342 Comment
  RSA503179  Sisyrinchium bellum Gary D. Wallace 1967-5-27 770 Napa Northwest of St. Helena on Howell Moutain Road 2 miles west of Pacific Union College and Angwin 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
  UCD138849  Sisyrinchium bellum M. Wiesendanger 1927-5-4 685 Napa Near Monticello. Comment
  UCD48734  Sisyrinchium bellum Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 7 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Road, ca. 0.45 mi (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  RSA125805  Sisyrinchium bellum Peter H. Raven 1958-5-5 10740 Napa Near the Hot Springs, Calistoga. 91 Comment
  UCD13201  Sisyrinchium bellum Charles Martin 1986-4-20 2 Napa California: Napa Co. 3 mi W of Monticello Dam, along hwy 128. Elev. ca. 1000 ft. 304 Comment
  UCD16048  Sisyrinchium bellum C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 22 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 1.5-3 dm tall, solitary purple flowers with 6 clawed petals. Comment
  UCD67945  Sisyrinchium bellum Sally Jue 1977-4-16 21 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam. 198 Comment
  UCSB907  Sisyrinchium bellum Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek; about 3 miles east of Chiles Valley 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
  JEPS110918  Solanum rostratum Jake Ruygt 1984-6-30 1579 Napa Pope Valley Middle Rd. 195 Comment
  CAS-BOT-BC156484  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa Comment
  CAS-BOT-BC365093  Solidago velutina subsp. californica Peter H. Raven 1951-8-21 3872 Napa Mt. Veeder 762 Comment
  JEPS18730  Soliva sessilis W. L. Jepson 1938-5-25 18856 Napa Bell Canyon , Bell Canyon (Howell Mountain) 579 Comment
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  CHSC84564  Spergularia macrotheca var. longistyla John Dittes 2003-4-5 2003 -9 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  JEPS112630  Stachys ajugoides var. rigida Jake Ruygt 1976-5-14 70 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  UCD69149  Stachys albens D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-24 s.n. Napa Aetna Springs-Middletown. Butts Canyon Road. Riparian Sargent cypress woodland on serpentine alluvial and rocky soils. 270 Comment
  JEPS62998  Stachys albens Willis L. Jepson 1897-7-12 14970 Napa Samuel's Springs to Aetna Springs Comment
  UCD166676  Stachys albens Jake Ruygt 1994-6-4 3393 Napa Lewelling Ranch, Sulphur Springs; road to upper meadow. 188 Comment
  UCD13127  Stachys rigida Kathleen Worden 1981-5-24 11 Napa Napa CO. Highwy 128, 2.2 miles southeast of Moskowitz Corner, Comment
  UCD83669  Stachys rigida var. quercetorum Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 4 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 178 Comment
  UCD116968  Stellaria media Jillian Howard; 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
  CAS-BOT-BC386936  Stellaria media Jonathan M. Irvine 1977-4-16 107 Napa along Highway 128, 6.4 miles SSW of Monticello Dam 213 Comment
  CAS-BOT-BC375245  Stephanomeria elata Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS123027  Stipa lemmonii Jake Ruygt 2002-4-17 4390 Napa North of Foss Valley, Atlas Peak, Vineyards (Antinori). Quad: Rutherford. Comment
  UCD161865  Streptanthus James A. Neilson Jr. 1979-6-30 3981 Napa Knoxville. Serpentine ridge forming south west side of Manhattan Mine. (Manhattan Mine is now known as Homestake McLaughlin Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1292770  Streptanthus breweri Freed W. Hoffman 1947-9-11 1069 Napa Butts Canyon North Coast Ranges Comment
  UCD164233  Streptanthus breweri N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 311 Napa N side of junction between Hwy. 128 and Knoxville-Berryessa Road (N of Turtle Rock place). 205 Comment
  JEPS30824  Streptanthus breweri W. L. Jepson 1938-6-8 18901 Napa rocky walls Butts Canyon Comment
  UC956513  Streptanthus breweri Freed W. Hoffman 1947-6-18 1046 Napa at bridge over Pope Creek North Coast Ranges, Walter Springs Comment
  UC1198805  Streptanthus breweri var. hesperidis Joseph P. Tracy 1899-7-6 407 Napa hills at head of creek 3-4 mi e Angwin's; Northern Coast Ranges, Howell Mountain, Moore's Creek 457 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
  SEINET5501528 Image available Streptanthus glandulosus Sally Walker 1983-5-26 Napa e side of Mt St Helena Napa co. Comment
  JEPS106601  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1991-5-18 2681 Napa above Cooksley Lake, Friesen's Lakes 685 Comment
  UC162826  Streptanthus glandulosus subsp. glandulosus Joseph P. Tracy 1902-5-16 1494 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  UCD161701  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2010-5-1 5528 Napa southwest of end Cedar-Pocock Creek Road. (Coordinates converted from UTM data by label maker.) 365 Comment
  CAS-BOT-BC87328  Streptanthus hesperidis Robert F. Hoover 1938-6-11 3602 Napa Knoxville Ridge. 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
  UCD149070  Streptanthus morrisonii G. Ledyard Stebbins 1985-6-17 C 533 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 Comment
  UCR71160  Streptanthus morrisonii subsp. kruckebergii L. F. LaPre, R. Bjork 1986-7-12 s.n. Napa Inner North Coast Ranges, Headwaters of 'Rare Plant Cyn', an unnamed tributary of Hunting Creek 427 Comment
  JEPS12888  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-9-24 Napa Angwin's; Napa River Basin, Howell Mt. Comment
  UCD137423  Symphoricarpos albus var. laevigatus C. R. Kovacic 1969-5-3 21 Napa northeast end of Lake Hennessey near outlet of Chiles Creek. Comment
  UCD19318  Symphoricarpos albus var. laevigatus M. A. Bibbo; E. Dean 2001-7-6 10 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.8 air miles from jct. with S Decker canyon rd. 20 yards off of the road, up a small dry creek, on N facing slope of drainage. 198 Comment
  CAS-BOT-BC98079  Symphyotrichum lentum John Thomas Howell 1932-10-8 10797 Napa 7 miles south of Napa Comment
  JEPS104576  Symphyotrichum lentum Jake Ruygt 1993-10-24 3290 Napa near Fagan Slough. 0 Comment
  LA203051  Symphyotrichum lentum Milo S. Baker; 1932-9-24 6028 Napa southern outskirts of Napa City Comment
  JEPS40791  Symphyotrichum subspicatum W. L. Jepson 1894-11-6 Napa Calistoga Comment
  JEPS104533  Symphyotrichum subulatum Jake Ruygt 1987-10-17 2110 Napa Fagan's Marsh 0 Comment
  SBBG128792  Symphyotrichum subulatum L. Ahart 2009-10-27 16476 Napa below high water line of Lake Berryessa, ca. 400 yars E of Eticuera Crk, ca. 300 yards E of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd 130 Comment
  UC672248  Symphyotrichum subulatum Herbert L. Mason 1923-10-6 768 Napa Suisun Marsh, along railroad Suisun Marsh Comment
  CHSC106847  Symphyotrichum subulatum var. parviflorum Barbara Ertter; Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on N side of Rt 128. 91 Comment
  SD211538  Symphyotrichum subulatum var. parviflorum Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey circa 15 airmiles North-Northwest of Napa, on Conn Creek in North Coast Ranges, below spillway on North side of Route 128, base of riprap 91 Comment
  CAS-BOT-BC221920  Taeniatherum caput-medusae Peter H. Raven 1951-5-26 2878 Napa Butts Canon [Canyon] 304 Comment
  JEPS110689  Tetrapteron graciliflorum Jake Ruygt 1988-5-29 2205 Napa Devilshead Rd. at Berryessa-Knoxville Rd NW corner 457 Comment
  JEPS110690  Tetrapteron graciliflorum Jake Ruygt 1986-3-29 1671 Napa Toll Canyon 237 Comment
  UCD167261  Tetrapteron graciliflorum Jake Ruygt 1992-3-28 2865 Napa Snell Valley just west of Stagecoach Canyon Road. 195 Comment
  UC9703  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  UC9707  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa gorge n Wooden Valley Grade; Napa River Basin Comment
  RSA794990  Thermopsis californica var. californica B. Castro, L. P. Janeway 2002-5-12 1360 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  UCD108615  Thermopsis californica var. californica B. Crampton 1953-3-24 1025 Napa Along Hwy. 128, about 10 miles east of Rutherford. Comment
  UCD108626  Thermopsis californica var. californica G. F. Hrusa 1992-4-15 10374 Napa 1 mile N of intersection of Highway 128 and Lower Chiles Valley Rd. 240 Comment
  HSC43989  Thermopsis macrophylla Robert M. Specht 1977-4-13 650 Napa 524 Comment
  CAS-BOT-BC66483  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6085 Napa Summit of Wooden Valley Grade. 8 miles east of Napa. Comment
  CAS-BOT-BC66498  Thysanocarpus curvipes M. S. Jussel 1931-4-19 s.n. Napa Pope Valley. Comment
  JEPS106593  Thysanocarpus curvipes Jake Ruygt 1996-4-10 3574 Napa Drainage south of Milliken Peak. 167 Comment
  UC11032  Thysanocarpus curvipes W. L. Jepson 1893-4-25 Napa St. Helena Comment
  UCD148799  Thysanocarpus curvipes Ellen Dean; Diana Hickson 2014-4-29 8106 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 513 Comment
  CAS-BOT-BC66512  Thysanocarpus curvipes Lewis S. Rose 1935-4-18 35099 Napa Steel Canyon. Comment
  JEPS54165  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 30 d Napa plateau n Mt. George (Upland meadows); Napa River Basin, n of Mt. George Comment
  UC11025  Thysanocarpus curvipes Willis L. Jepson 1893-4-25 29 d Napa hills w St. Helena (trail to Caux's Cabin, Napa River Basin); Napa River Basin Comment
  UCD14241  Thysanocarpus curvipes Lisa McNair 1974-4-4 11 Napa At Monicello Dam on Highway 128. 243 Comment
  CAS-BOT-BC66964  Thysanocarpus laciniatus Katharine Brandegee 1909-6-1 s.n. Napa Pope Valley Grade. Comment
  CAS-BOT-BC66949  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa Near Calistoga. Comment
  JEPS106583  Thysanocarpus radians Jake Ruygt 1992-4-10 2906 Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  CAS-BOT-BC67308  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles south of Monticello, eastern Napa county. Comment
  JEPS54220  Thysanocarpus radians W. L. Jepson 1900-3-10 534 Napa hills e St. Helena Comment
  RSA113980  Tonella tenella Peter H. Raven 1957-5-5 10763 Napa Hills at western edge of Calistoga. Comment
  SEINET7466299 Image available Tonella tenella J. M. Tucker 1957-1 3287 Napa beside Highway 37, .4 mile southwest of junction with road to Monticello Dam and Winters. Comment
  UC875671  Torilis nodosa M. S. Jussel 1937-5-23 Napa Palisades Comment
  UCD128188  Torilis nodosa M. Wiesendanger 1926-4-1 1490 Napa Exact location unknown. Comment
  LA5971  Torreya californica J. M. Tucker; 1954-4-22 2699 Napa Mt. St. Helena, beside Highway 29, E side of mountain, 1 mi N of summit of road Comment
  UCD167157  Torreya californica Jake Ruygt 2015-3-10 6037 Napa Sutro Ranch, east side of Atlas Peak. 683 Comment
  UCR30536  Torreyochloa pallida var. pauciflora John C. Roos 1939-5-13 271 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  CAS-BOT-BC172957  Toxicodendron diversilobum Alice Eastwood 1918-5-1 6867 Napa Mt. St. Helena Comment
  HSC95661  Toxicodendron diversilobum Jonathon M. Irvine 1977-4-16 111 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam 183 Comment
  JEPS46485  Toxicodendron diversilobum W. L. Jepson Jan. 1898 Napa St. Helena Comment
  UCD160789  Toxicoscordion fontanum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8669 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
  UC1745684  Toxicoscordion micranthum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2770 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UCD118398  Toxicoscordion micranthum Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 406 Comment
  JEPS112639  Trichostema laxum Jake Ruygt 1979-6-9 687 Napa 23.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 609 Comment
  UC615138  Trichostema laxum Beryl O. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UCR45100  Trichostema laxum L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  JEPS120349  Trichostema ruygtii Jake Ruygt 2004-8-7 4642 Napa Green Valley Ranch near Solano County line. Mount George 7.5' Quad. Comment
  RSA731088  Trichostema ruygtii Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard s Roost, north end of Stags Leap. 412 Comment
  UC1925896  Trifolium Ethel Crum 1931-1 1046 Napa Four miles from Yountville. Comment
  UCD38291  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  UC924218  Trifolium albopurpureum var. albopurpureum H. S. Reed 1939-4-16 234 Napa Napa Hills Comment
  UC1602048  Trifolium albopurpureum var. dichotomum Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  UC1925904  Trifolium albopurpureum var. dichotomum Ethel Crum 1931-1 1068 Napa Near Aetna and Butts Canyon Roads. Comment
  UCD18152  Trifolium bifidum Jean Shepard; with Plant Biology 102 class 2000-4-29 190 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
  JEPS106696  Trifolium bifidum var. bifidum Jake Ruygt 1977-4-3 169 Napa Green Creek area east of Lake Berryessa 259 Comment
  UCD118404  Trifolium bifidum var. bifidum Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat, just south of main meadow. 387 Comment
  JEPS65759  Trifolium bifidum var. decipiens E. K. Crum 1931-4-17 1055 b Napa 1/2 mi n P. O.; Pope Valley Comment
  UCD83438  Trifolium bifidum var. decipiens Jake Ruygt 2005-5-6 4815 Napa Newell Canyon Open Space; near Napa/Solano County line. 283 Comment
  SEINET7063152  Trifolium breweri A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of Saint Helena on the Silverado Trail. UTM Zone 10, 544382mE, 4264735mN. (WGS84/NAD83). 70 Comment
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Jul 24 2018
  UC1543228  Trifolium ciliolatum Donald G. Nelson 1936-4-1 124 Napa along trail (to Green Valley Falls) Comment
  HSC15112  Trifolium depauperatum J. P. Tracy 1902-5-18 1541 Napa At head of Moore's Creek, 3.4 mi. E of Angwin's 518 Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  JEPS106829  Trifolium depauperatum var. hydrophilum Jake Ruygt 1996-4-11 3593 Napa Calistoga Airport 105 Comment
  JEPS106803  Trifolium depauperatum var. truncatum Jake Ruygt 1992-5-7 2939 b Napa south of Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  UC555401  Trifolium depauperatum var. truncatum H. L. Mason 1928-4-13 4335 Napa near spring (Reili School) Comment
  RSA653959  Trifolium dichotomum Beecher Crampton 1967-5-11 7918 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD170821  Trifolium dichotomum 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCR146185  Trifolium dichotomum Beecher Crampton 1954-4-26 1787 Napa Inner North Coast Ranges, 12 miles east of Rutherford, along Hwy. 128 305 Comment
  POM197362  Trifolium dichotomum L. R. Abrams 12249 Napa Summit St. Helena Grade. Comment
  UCD35295  Trifolium dichotomum Beecher Crampton 1955-4-7 2429 Napa 7.8 miles north of Monticello. Comment
  CDA31271  Trifolium dubium D. G. Kelch 2010-5-6 10 .177 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD118747  Trifolium dubium Katherine Graham; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, Recreation Flat, in main meadow, along oak woodland. 388 Comment
  UCD41327  Trifolium dubium Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  UCD48980  Trifolium dubium Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just N of jct with Cut-Off Rd., near drainage by dilapidated buldings. 152 Comment
  UCD83444  Trifolium dubium Jake Ruygt 1991-6-10 2714 Napa Lake Henne, Friesen's Lakes. 553 Comment
  JEPS65876  Trifolium fucatum W. L. Jepson 1915-4-23 6256 Napa Conn Valley Comment
  UCD35289  Trifolium fucatum Beecher Crampton 1955-4-7 2435 Napa 7.8 miles north of Monticello. Comment
  RSA617194  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 90 Comment
  CDA10873  Trifolium microcephalum G. F. Hrusa, M. Rejmanek 1993-5-15 10968 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UC555460  Trifolium microcephalum H. L. Mason 1928-4-13 4340 Napa near spring (Reili School) Comment
  POM126208  Trifolium microdon C. F. Sonne 1895-04 3102 Napa Napa Junction Comment
  UCD109177  Trifolium microdon R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS129046  Trifolium obtusiflorum Jake Ruygt 2016-6-11 6283 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1197498  Trifolium obtusiflorum Joseph P. Tracy 1902-5-15 1481 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UCD35669  Trifolium oliganthum Beecher Crampton 1960-5-17 5539 Napa 6 miles west of Oakville. 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
  CDA4314  Trifolium subterraneum T. C. Fuller 1958-5-1 3725 Napa Matheson property, 2092 Los Amigos Road, Napa. 0 Comment
  UCD17991  Trifolium subterraneum Ellen Dean; with Plant Biology 102 class 2001-4-14 717 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  UCD109432  Trifolium variegatum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UCD39032  Trifolium variegatum Beecher Crampton 1962-5-8 6414 Napa 2 miles north of Calistoga, Myrtledale Hotsprings meadow. Comment
  HSC2110  Trifolium willdenovii C. B. Wolf 1928-5-3 1785 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  JEPS106688  Trifolium willdenovii Jake Ruygt 1989-4-8 2251 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 377 Comment
  JEPS106753  Trifolium willdenovii Jake Ruygt 1995-4-17 3432 Napa end of Niebaum Rd., Rutherford. 82 Comment
  RSA10702  Trifolium willdenovii Carl B. Wolf 1928-5-3 1785 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD48992  Trifolium willdenovii K. Mogel; B. Pekin and M. Higley 2002-5-4 6 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 300 ft. along the lower road that leads to the power lines; 20 ft. upslope of road. 320 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
  UC1300876  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa along Silverado Trail (hillsides) Comment
  UCD19868  Trifolium willdenovii C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1197 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  UCD20029  Trifolium willdenovii C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1209 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  CAS-BOT-BC451904  Triglochin maritima Peter H. Raven 1952-8-26 5137 Napa Nr. Bentley Wharf 15 Comment
  UCD166661  Triglochin scilloides Jake Ruygt 1982-2-11 1096 Napa Suscol plain, east of Hwy 29 (221) Rocktram. 4 Comment
  UC4018  Trillium albidum Willis L. Jepson 1893-5-8 Napa Howell Mt. Comment
  UC1364377  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 573 Napa just s.w. Calistoga (0.6 mi. w. of CA Hwy. 29, near Diamond Mt. Creek below Diamond Mt. Rd.) Comment
  JEPS113980  Trillium ovatum subsp. ovatum Jake Ruygt 1997-3-23 3816 Napa Devil's Canyon, about 1/2 mile upstream Taylor picnic area. Sonoma 7.5' Quad. Comment
  UCD167132  Triodanis biflora Jake Ruygt 2015-5-23 6114 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS129160  Triphysaria eriantha Jake Ruygt 2015-3-28 6056 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  UCD123379  Triphysaria eriantha D. C. Finfrock 1950-4-6 22 Napa 14 miles from Monticello and 3 miles from Pope Valley. Comment
  UC917148  Triphysaria eriantha subsp. eriantha D. C. Finfrock 1950-4-6 22 Napa Mountain meadow 3 mi from Pope Valley (1/4 mi from Monticello, in Pope Valley) Comment
  JEPS20135  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-25 Napa Napa 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
  UC1222441  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1949-4-24 18288 Napa Myrtledale Hot Springs near Calistoga; Myrtledale Hot Springs 152 Comment
  UCD123419  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa 1995-4-2 12047 Napa southeast corner of Chiles-Pope Valley Road, and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res. 200 Comment
  UC1334906  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-15 494 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  UC27200  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin Comment
  UC1334896  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-4-13 647 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  POM262797  Trisetum canescens J. C. Roos 1939-5-7 297 Napa Angwin, Napa Range Comment
  UC397022  Triteleia Dr. Goodspeed Jun 1929 Napa near Napa Comment
  JEPS110930  Triteleia hyacinthina Jake Ruygt 1995-6-5 3486 Napa Taylor property, about 2 miles south of Lake Hennessey. 432 Comment
  JEPS129029  Triteleia hyacinthina Jake Ruygt 2016-5-21 6263 Napa Wantrup Wildlife Preserve, Hardin Road. Santa Helena 7.5' Quad. Comment
  UCD102761  Triteleia laxa Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 180 Comment
  UCR178675  Triteleia laxa Kook-Hyun Chung, M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 001 Napa Vaca Mtns, Quail Ridge UC Reserve. SE corner of Lake Berryessa, just west of Monticello Dam, along West Road, c. 0.45 mi (2400 ft) NW of the junction with South Decker Canyon Road 242 Comment
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Jan 20 2009
  CAS-BOT-BC526509  Triteleia laxa David D. Keck 1933-5-29 2367 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC526512  Triteleia laxa M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS58039  Triteleia laxa W. L. Jepson 1923-6-3 9978 Napa e of Yountville Comment
  JEPS110924  Triteleia peduncularis Jake Ruygt 1996-6-15 3744 Napa White Cliff Springs, above Soda Valley (Soda Spring) 320 Comment
  RSA378085  Triteleia peduncularis Robert Gustafson, Don Reynolds 1983-6-7 2739 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UCR12034  Umbellularia californica Coleta A. Lawler 1964-3-24 15 Napa Redwood Road, just west of junction with Browns Valley Road. 8 Comment
  JEPS43438 Image available Urtica dioica subsp. holosericea Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin Comment
  JEPS11184  Verbascum blattaria W. L. Jepson 1930-10-19 15681 Napa stream bed of Conn Creek at Sage Canyon mouth; , streambed of Conn Creek Comment
  UCD38862  Verbascum thapsus Beecher Crampton 1962-10-9 6702