Search Results — 2000 specimen records retrieved (1479 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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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
  CAS-BOT-BC28691  Achillea millefolium P. H. Raven 1952-5-31 4135 Napa Summit of hills SW of Rector Canyon 304 Comment
  UCD47869  Achillea millefolium S. E. Ratay; M. Disney, J. Westbrook,R. Wolfson, A. Houser,S. Wathen 2000-4-22 27 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD128288  Achillea millefolium Richard Beaver 1965-5-1 150 Napa on slope with northeast exposure; 10 miles north of junction of Highway 121 and Highway 128. 182 Comment
  CAS-BOT-BC218684  Achnatherum lemmonii F. H. Utech; W. Knight; I. Knight; S. Edwards 1986-5-19 86 -300 Napa Robert Lewis Stevenson State Park Trail to the pallisades, trailhead on CA Hwy 29 near St. Helena Creek, S. Edwards SWE 85.101 750 Comment
  JEPS29586  Achyrachaena mollis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8443 Napa 4.8 mi n along Atlas Peak Road Vichy Springs (junct of Calif 37 with Atlas Peak Road); Milliken Reservoir (due west and above) 335 Comment
  UC165022  Achyrachaena mollis J. P. Tracy 1902-5-21 1601 Napa 3-4 mi e, at head of Moore's Creek Angwin's; Howell Mountain, Moore's Creek 426 Comment
  UCD18081  Achyrachaena mollis Ellen Dean; with PLB 102 class 2000-4-22 636 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  RSA195339  Achyrachaena mollis Gilbert Muth 1967-5-19 695 Napa Milliken Dam. 335 Comment
  UCD167136  Acmispon americanus var. americanus Jake Ruygt 2015-5-23 6110 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD118619  Acmispon brachycarpus Jason Saavedra; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD170214  Acmispon brachycarpus Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 743 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 357 Comment
  UCD75715  Acmispon grandiflorus var. grandiflorus Jake Ruygt 1989-5-20 2339 Napa About 1 mile north of Mt. Vaca. 804 Comment
  UCD117462  Acmispon parviflorus Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD95900  Acmispon parviflorus Ellen Dean; with Clare Loughran 2011-5-20 7044 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UCD15255  Acmispon wrangelianus Kathryn Specht 1984-4-28 7 Napa 5 miles east of Coyote Knoll off of Knoxville road. 121 Comment
  CDA6754  Acroptilon repens B. E. Eaton 1971-7-7 Napa Dealy Lane, Napa. 0 Comment
  SEINET3077393 Image available Adenostoma fasciculatum Royal D. Suttkus 1967-6-26 67- 30 -38 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD49130  Adenostoma fasciculatum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 23 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 200 m up Cut-Off Rd. from South Decker Canyon Rd. 213 Comment
  CAS-BOT-BC68994  Adiantum aleuticum Peter H. Raven 1957-5-5 10769 Napa Hills at western edge of Calistoga 182 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-BC65667  Adiantum jordanii Carl B. Wolf 1928-5-3 1843 Napa base of Mt. St. Helena Comment
  SEINET265721 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD48359  Adiantum jordanii Kook-Hyun Chung 2001-4-28 2 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) NW of jct with South Decker Canyon Rd. 53 Comment
  UCD20431  Aegilops triuncialis E. Dean; w/ PLB 102 class 2002-5-4 1019 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along upper road leading to powerlines, steep, N-facing slope. 286 Comment
  JEPS36376  Agoseris grandiflora var. grandiflora W. L. Jepson 1893-4-24 Napa hills e of, on route to Conn Valley St. Helena; Napa Valley River Basin, Conn Valley Comment
Read comments
Jan 18 2009
  UC164784  Agoseris grandiflora var. grandiflora Joseph P. Tracy 1904-5-23 2089 Napa 1 1/2 mi below, on hillside Calistoga; Northern Coast Ranges of California, Napa Valley 243 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
  JEPS104511  Agoseris heterophylla Jake Ruygt 1994-5-17 3378 Napa Barnett Road, Pope Valley, Juliana Vineyards. 252 Comment
  UCD161571  Agoseris heterophylla Jake Ruygt 2006-5-4 5007 Napa Wildlake Ranch, south of hunting camp. (Coordinates converted from UTM data by label maker). 676 Comment
  CAS-BOT-BC22753  Agoseris heterophylla P. H. Raven; G. L. Stebbins 1953-4-19 5316 Napa Steel Canyon 304 Comment
  POM203304  Agoseris heterophylla John T. Howell 1931-4-3 6111 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  UC164850  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-14 1439 Napa 3-4 mi e, (head of Moore's Creek) Angwin's; Howell Mountain, Moore's Creek 365 Comment
  UC165998  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-21 1602 Napa 3 to 4 mis e, (head of Moore's Cr) Angwin's; Howell Mt., Moore's Creek 426 Comment
  JEPS36391  Agoseris heterophylla var. heterophylla Willis L. Jepson 1893-5-8 Napa near New Eden; Napa River Basin, Howell Mt. Grade Comment
  CAS-BOT-BC13319  Agoseris retrorsa Peter H. Raven 1964-5-9 19064 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  SEINET238873  Agrostis diegoensis Beecher Crampton 1956-5-25 3479 Napa Eastern slope of Howell Mountains above Wooden Valley. Comment
  CAS-BOT-BC127450  Agrostis elliottiana J. P. Tracy 1902-5-19 1552 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 518 Comment
  UC1103390  Agrostis elliottiana Joseph P. Tracy 1933-4-30 12109 Napa head Moore's Creek (3-4 mi e of Angwin's, Howell Mountain, La Jota Plateau); Northern Coast Ranges, Howell Mt., head Moore's Creek 518 Comment
  CAS-BOT-BC127139  Agrostis exarata John Thomas Howell 1940-5-19 15445 Napa Near Calistoga. Comment
  CAS-BOT-BC127141  Agrostis exarata Betty H. Johnson 1958-6-20 648 Napa Near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD52144  Agrostis exarata Beecher Crampton 1957-6-4 4105 Napa above Capell Creek, north end of Capell Valley. Comment
  UCD52699  Agrostis hallii Beecher Crampton 1953-5-19 1298 Napa Sonoma - Napa County Line: 5 miles west Calistoga, Hwy. 128. Comment
  UCD37941  Agrostis microphylla Beecher Crampton 1962-5-8 6415 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD53041  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Myrtledale Hot Springs, 2 miles north of Calistoga. Comment
  UCD73459  Agrostis pallens Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD73507  Agrostis pallens Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD120873  Aira caryophyllea Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7337 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. North side of road. 519 Comment
  UCD170422  Aira caryophyllea Daniel Potter; Daniel McNair 2017-4-23 903 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  JEPS76079  Aira elegantissima W. L. Jepson 1938-5-18 18801 Napa slope above St. Helena Sanitarium (Howell Mountain); Howell Mountain Comment
  JEPS32192  Alisma plantago-aquatica Willis L. Jepson April, 1893 Napa Lower Napa Valley Napa River Basin Comment
  UC14988  Allium amplectens J. P. Tracy 1899-6-19 448 Napa 3-4 mi e Angwin's (head of Moore's Creek, flats on top of the mountain); Howell Mountain, Moore's Creek 518 Comment
  UCD20680  Allium amplectens J. D. Clark 1995-5-27 17 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Hwy 129. Trailhead begins on the east side of Hwy 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  POM203668  Allium amplectens J. T. Howell 1933-6-4 11391 Napa Hills east 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
  JEPS110940  Allium bolanderi var. bolanderi Jake Ruygt 1987-5-7 1750 Napa Buckeye Trail, Skyline Park, Napa 256 Comment
  POM182716  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles east of Pope Valley. Comment
  UC1585999  Allium falcifolium Barbara Ertter with Annetta Carter 1989-5-28 8506 Napa on Berryessa Rd. 2 mi se Lake Co. line (hills s of road, near Knoxville, extreme n Napa County) 609 Comment
  UCD138525  Allium falcifolium R. L. Smith 1948-5-8 s.n. Napa 6 miles north Aetna Springs, Pope Valley. Comment
  UCD138526  Allium falcifolium L. P. Thibault 1995-5-19 39 Napa Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 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
  SEINET187416  Allium falcifolium J. Morrison, A Carter 1938-4-24 1355 Napa 0.6 mi W of Knoxville on rd from Monticello to Lower Lake Comment
  SEINET8122134  Allium falcifolium W. Roderick 1967-5-7 s.n. Napa Butts Canyon. 457 Comment
  HSC43914  Allium fimbriatum var. fimbriatum Robert M. Specht 1977-5-14 886 Napa Near junction of Develhead Rd. and Morgan Valley Rd. 463 Comment
  UCD148572  Allium fimbriatum var. purdyi Jake Ruygt 1980-4-22 857 Napa Napa County; 0.7 mile north of Knoxville on Berryessa-Knoxville Rd. Comment
  UCD148575  Allium neapolitanum Jake Ruygt 2006-3-20 4959 Napa Napa County; St. Helena; west side of Hwy 29, about 0.25 mile north of Whitehall Lane. 56 Comment
  UC410445  Allium serra Alice Eastwood 1930-4-13 17927 Napa canyon between Monticello and Pope Valley Comment
  JEPS122717  Allium triquetrum Jake Ruygt 1984-4-28 1533 Napa 0.2 mile south of end of Redwood Road. Quad: Sonoma. Comment
  UCD21722  Allium unifolium Robin McMaster 1972-4-25 82 Napa Pope Valley. Comment
Read comments
Dec 18 2011
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  SEINET2444438  Allophyllum gilioides K. Walker 2006-5-13 3 Napa Quail Ridge Reserve, West Ashley Rd. 0.5 mi NW of Laurel Creek. 208 Comment
  UCD110018  Alnus rhombifolia C. R. Kovaic 1969-5-3 31 Napa Along Chiles Creek near roadside; on Chiles Pope Valley Road, 2 miles northwest of junction with Lower Chiles Valley Road. Comment
  JEPS68435  Alopecurus saccatus W. L. Jepson 1921-5-6 9181 Napa Calistoga 109 Comment
  UCD47826  Amaranthus blitoides Mark Bibbo; Laura Wynholds 2002-7-20 64 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  CHSC102274  Amaranthus californicus Lowell Ahart 2009-10-12 16470 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD148569  Amaranthus hybridus Jake Ruygt 2001-10-22 4349 Napa Napa County; Conn Creek at Silverado Trail. 54 Comment
  CAS-BOT-BC136740  Amelanchier utahensis Clara A. Hunt 1923-1-1 s.n. Napa Near St. Helena Comment
  CAS-BOT-BC136749  Amelanchier utahensis H. E. McMinn 1922-6-8 172 Napa Summit of Howell Mt. Comment
  CDA12096  Amelanchier utahensis G. F. Hrusa 1989-4-24 5931 Napa North Coast Biodiversity Arena; Edge of Pope Creek where Pope Creek Rd. crosses creek. Comment
  JEPS45495  Amelanchier utahensis Willis L. Jepson 1893-5-8 32 b Napa Howell Mt.; Napa River Basin Comment
  CHSC102539  Ammannia robusta Lowell Ahart 2009-10-27 16489 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS112659  Ammannia robusta Jake Ruygt 1999-7-28 4212 Napa Lake Hennessey at the boat ramp. 94 Comment
  JEPS16028  Ammi majus W. L. Jepson 1920-7-12 9066 Napa Salvador School n. Napa (near Napa R.) Comment
  JEPS35498  Amorpha californica var. napensis W. L. Jepson 1913-4-15 5309 Napa Howell Mt. 548 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
  UCD56007  Ampelodesmos mauritanicus R. Tofsrud 1941-5-1 21 Napa Mt. St. Helena. Comment
  UCD56011  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. N of Hwy 29. Steep, north-facing slope above Garnet Cr. 400 Comment
  UC703180  Amsinckia intermedia John Thomas Howell 1941-4-5 16169 Napa about 1 mi sw Calistoga Comment
  UCD18086  Amsinckia intermedia Ellen Dean; with PLB 102 class 2000-4-22 642 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD18151  Amsinckia intermedia Jean Shepard; with Plant Biology 102 class 2000-4-29 196 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  JEPS61121  Amsinckia intermedia Willis L. Jepson 1893-4-28 21080 Napa gorge n of Wooden Valley grade (w slope Napa Range, n of Mt. George); Napa River Basin, Napa Range, Mt. George Comment
  UC1178212  Amsinckia menziesii var. menziesii S. Galen Smith 1951-4-15 Napa along Silverado Trail Comment
  UCD49110  Anagallis arvensis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 20 Napa SW end of Lake Berryessa, Quail Ridge Reserve, on slope N of North Decker Canyon Rd., 70-100 ft. N of stream. 182 Comment
  CAS-BOT-BC64143  Ancistrocarphus filagineus David D. Keck 1931-4-3 1068 Napa Pope Creek canyon, 8 miles NW. of Monticello Comment
  SEINET200985 Image available Ancistrocarphus filagineus J. P. Tracy 1902-5-17 1513 Napa Howell Mtn; head of Moore's Creek 3-4 mi E of Angwin's Comment
  RSA393785  Ancistrocarphus filagineus J. T. Howell 1931-4-3 6129 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range. Comment
  JEPS15909 Image available Angelica tomentosa Willis L. Jepson 1895-8-30 13484 Napa Napa River Basin, Upper Napa Valley; ; Near Calistoga, Upper Napa Valley Comment
  UC1537058  Anthemis cotula Gordon H. True Jr. 1937-6-21 736 Napa near Lokoya Lodge 365 Comment
  UCD18133  Anthemis cotula Jean Shepard; with Plant Biology 102 Class 2000-4-29 184 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
  JEPS110620  Antirrhinum kelloggii Jake Ruygt 1980-5-13 881 Napa 3.0 miles south of Oakville Grade on Dry Creek Rd. 152 Comment
  HSC83249  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. M. Thompson 1983-6-16 335 Napa Steep banks along valley of Pope Creek at an area reached by traveling private vineyard roads at end of Barnett Rd., 1.9 mi. from start 195 Comment
  JEPS110622  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1978-5-23 98 Napa .4 mile west of Langtry Rd. on Spring Mountain Rd. 185 Comment
  JEPS83370  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 333 Napa 1.3 mi w Hwy. 29/128 in St. Helena (on Spring Street (not Spring Mt. Rd.), nw side of road at center of curve); St. Helena, Rutherford Quad. (7.5', 1951) 106 Comment
  UCD170460  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Daniel Potter; Ninh Khuu 2016-6-18 889 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 447 Comment
  CAS-BOT-BC248849  Antirrhinum virga Arno H. Wilson 1920-6-26 s.n. Napa Atlas Comment
  JEPS104567  Apiastrum angustifolium Jake Ruygt 1982-4-4 1165 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  UCD144657  Apiastrum angustifolium 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. 243 Comment
  UCD18156  Apiastrum angustifolium Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. 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
  UCD33220  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UCD47828  Apiastrum angustifolium M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 3 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS104565  Apium graveolens Jake Ruygt 1981-7-19 1066 Napa Fagan's Marsh 1 Comment
  JEPS104560  Apocynum androsaemifolium Jake Ruygt 1992-5-7 2940 Napa south of Leoma Lakes, Wild Horse Valley 414 Comment
  UC914258  Apocynum androsaemifolium Verne Grant and Alva Grant 1946-5-26 7629 Napa s.e. slope of Mt. St. Helena Comment
  JEPS104488  Apocynum cannabinum Jake Ruygt 1991-6-22 2731 Napa 4.3 miles north of stone bridge over Eti cuera Cr.;Berry-Knox. 233 Comment
  UCD148557  Apocynum cannabinum Jake Ruygt 2004-6-19 4621 Napa Napa County; Long Canyon Creek near Eticuera Creek. 310 Comment
  UCD18108  Aquilegia eximia K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 45 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UCR44910  Aquilegia eximia L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  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
  UC1051669  Aquilegia formosa Peter Kamb and Francia Chisaki 1950-4-22 1757 Napa w side of Wooden Valley on Claifornia Hwy 37 243 Comment
  CDA24648  Arabis glabra var. glabra R. Lawley 1967-7-1 Napa 1806 Jefferson, Napa. 0 Comment
  UCD21551  Arabis modesta A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 5 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, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek. 313 Comment
  JEPS83480  Arabis oregana Jake Ruygt 1986-3-29 1675 Napa Hunting Creek, in Knoxville area Knoxville Comment
  UC21794  Arbutus menziesii Willis L. Jepson 1894-1 Napa Napa River Basin Comment
  SEINET7258058  Arbutus menziesii A. Woods s.n. Napa St. Helena Comment
  JEPS40122  Arceuthobium campylopodum W. L. Jepson 1895-12-26 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
  JEPS38625  Arctostaphylos canescens Willis L. Jepson 1893-9-23 14701 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  LA28777  Arctostaphylos canescens E. A. Goldman; 1907-12-28 63 Napa Mount Saint Helena 914 Comment
  LA42154  Arctostaphylos canescens Joseph Andorfer Ewan; 1937-5-23 10335 Napa Mount Saint Helena, Summit trail Comment
  CAS-BOT-BC23952  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23958  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit of Mt. St. Helena Comment
  CAS-BOT-BC23984  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23990  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12268 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC23991  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12267 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC24017  Arctostaphylos canescens subsp. canescens John Thomas Howell 1930-3-23 4564 Napa Crater Country, near Mt. St. Helena Comment
  JEPS116573  Arctostaphylos canescens subsp. canescens Jake Ruygt 1977-3-27 162 Napa Mount Saint Helena. 7.5' Detert Reservoir Quad. Comment
  RSA15668  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-28 1503 Napa 1 mi n of summit Mt. St. Helena grade. Comment
  RSA40453  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12271 Napa Near summit Mt. St. Helena. Comment
  CAS-BOT-BC23142  Arctostaphylos glandulosa subsp. glandulosa C. Hart Merriam 1919-9-12 s.n. Napa Grade 4 miles NE Comment
  RSA523189  Arctostaphylos manzanita Richard Halse 1987-2-22 3377 Napa Along State Hwy. 29 about one third mile north of its junction with Tubbs Lane, just north of Calistoga. 168 Comment
  UCD20785  Arctostaphylos manzanita N. Nicola; C. Kremen 2001-2-5 001 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve. Lat/long is estimate. Comment
  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
  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-BC38770  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helena, summit 1st ridge on road from Middletown to Knights Valley 731 Comment
  CAS-BOT-BC38771  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1919-9-12 s.n. Napa Napa (grade 4 miles NE) Comment
  JEPS122804  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5114 Napa North end of Wall Road. QUAD: Rutherford. Comment
  JEPS38705  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1918-6-24 7669 Napa halfway down valley floor to Toll House; Mt. St. Helena Comment
  RSA70407  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-3-23 4561 Napa Near Mt. St. Helena. Comment
  UCD95691  Arctostaphylos manzanita subsp. manzanita Ellen Dean; with Clare Loughran 2011-5-20 7037 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 599 Comment
  CAS-BOT-BC43830  Arctostaphylos stanfordiana C. Hart Merriam 1898-10-22 s.n. Napa West of Calistoga Comment
  CAS-BOT-BC43831  Arctostaphylos stanfordiana C. B. Wolf 1928-5-4 1860 Napa Mt. St. Helena Comment
  CAS-BOT-BC43862  Arctostaphylos stanfordiana C. Hart Merriam 1906-8-15 s.n. Napa Mt. St. Helena (East side) Comment
  CAS-BOT-BC43868  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11089 Napa Calistoga Comment
  JEPS38678  Arctostaphylos stanfordiana Willis L. Jepson 1893-5-4 14724 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  JEPS38680  Arctostaphylos stanfordiana W. L. Jepson 1916-8-6 6827 Napa summit Napa Range, Howell Mt. Comment
  JEPS38877  Arctostaphylos stanfordiana W. L. Jepson 1936-12-3 17977 Napa near Four Corners; Napa Range, Howell Mt. Comment
  UCD37946  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile W of Aetna Springs. Comment
  UCD53846  Arctostaphylos stanfordiana Roman Gankin 1966-2-26 679 Napa Ca. 100 yards up hill from gate at roadway; property west of Macdonald Ranch; Las Posadas State Forest. Comment
  UCD53856  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 miles southwest of Angwin. 243 Comment
  SEINET11977845  Arctostaphylos stanfordiana A. E. Wieslander 1936-1 713 Napa Mount Saint Helena 610 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
  JEPS106412  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1977-3-27 161 Napa Mt. St. Helena 853 Comment
  JEPS122809  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 2007-1-23 5112 Napa Kortum Canyon Road on brushy ridge. QUAD: Calistoga. Comment
  RSA293009  Arctostaphylos stanfordiana subsp. stanfordiana Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 A- 750 Napa Mt. Saint Helena. Comment
  RSA52686  Arctostaphylos stanfordiana subsp. stanfordiana I. L. Wiggins 1949-4-30 12084 Napa On saddle bout 1.5 mi. from summit of Mt. St. Helena. Comment
  UC2026413  Arctostaphylos stanfordiana subsp. stanfordiana Louis C. Wheeler 1952-8-30 6876 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  JEPS106410  Arctostaphylos tomentosa subsp. crustacea Jake Ruygt 1990-4-1 2449 b Napa south of Leoma Lakes, Wild Horse Valley Ranch 432 Comment
  HSC7715  Arctostaphylos viscida Greg Bos 1963-3-3 27 Napa Putah Creek entrance to Lake Berryesa 152 Comment
  UCR26056  Arctostaphylos viscida Michael J. Kelly 1975-3-24 35 Napa on left side of road 15 mi east of intersections of Highways 128 and 29. 854 Comment
  CAS-BOT-BC47449  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1979-9-4 3413 Napa Few yards from Napa-Lake County line on highway 29 north of Robb Louis Stevenson State Park Comment
  RSA450961  Arctostaphylos viscida subsp. viscida C. B. Wolf 1928-5-4 1859 Napa Upper slopes of Mount St. Helena. Comment
  UCD118543  Arctostaphylos viscida subsp. viscida Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  CAS-BOT-BC361309  Aristolochia californica Richard R. Halse 2013-3-27 8755 Napa Along State Hwy 128 ca. 5.3 miles E of its junction with State Hwy 121 at Moskowite Corners. 239 Comment
  RSA82765  Aristolochia californica W. M. Grannell 1950-3-10 8 Napa Putah Canyon Comment
  UC543760  Aristolochia californica Herbert L. Mason 1928-4-13 4331 Napa hills between Santa Rosa and Calistoga Comment
  UC6152  Aristolochia californica Mrs. D. O. Hunt 1899-2-27 Napa roadside near Lyman's Meadow, St. Helena St. Helena, Lyman's Meadow Comment
  JEPS104525  Arnica discoidea Jake Ruygt 1978-5-7 293 Napa .5 miles south of Monticello Rd. on road to Wild Horse Valley 414 Comment
  UCD38611  Arnica discoidea Beecher Crampton 1956-5-25 3484 Napa Howell Mtns. Comment
  UC468967  Arnica discoidea H. P. Chandler 1907-5-19 7579 Napa St. Helena , White Sulphur Spring Comment
  RSA92937  Artemisia californica Peter H. Raven 1952-9-14 5180 Napa Hills due E. of Yountville 152 Comment
  JEPS104574  Artemisia douglasiana Jake Ruygt 1978-6-28 374 Napa 2.0 miles north of Browns Valley Rd. on Partrick Rd. 164 Comment
  OBI74550  Artemisia douglasiana David J. Keil 1986-11-8 19796 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  JEPS104557  Asclepias cordifolia Jake Ruygt 1979-5-16 599 Napa 9.2 miles NE of Atlas Peak Rd. on Monticello Rd. 280 Comment
  UCD91278  Asclepias cordifolia Catherine E. Koehler 2006-5-7 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 Comment
  JEPS104548  Asclepias eriocarpa Jake Ruygt 1989-6-17 2383 Napa Garnett Creek at Silverado Trail 128 Comment
  JEPS49848  Asclepias eriocarpa W. L. Jepson 1936-7-6 17654 Napa ca. 5 mi s Monticello (where the road from Sage Canyon joins the Napa-Monticello road); Soda Creek Comment
  JEPS104499  Asclepias fascicularis Jake Ruygt 1978-8-6 388 Napa .2 miles north of Yountville exit from HWY 29, Washington St 27 Comment
  UCD121348  Asclepias fascicularis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  JEPS122691  Asclepias solanoana Jake Ruygt 1988-5-29 1480 Napa Sensitive plant canyon. Quad: Knoxville. Comment
  JEPS103978  Aspidotis californica Jake Ruygt 1990-12-15 2615 Napa Monticello Rd. at site of Jarvis Winery cave 341 Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  UCD75830  Astragalus breweri Jake Ruygt 2005-5-16 4853 Napa Tubbs Lane at Myrtledale Rd., Calistoga; NE parcel. 122 Comment
  CAS-BOT-BC178626  Astragalus clevelandii Edward Lee Greene 1883-8-1 s.n. Napa N. side of Mt. St. Helena Comment
  UCD160793  Astragalus clevelandii Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8673 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  CAS-BOT-BC178292  Astragalus gambelianus John Thomas Howell 1931-4-19 6444 Napa Conn Valley Comment
  UCD104826  Astragalus gambelianus G. L. Webster 1967-3-23 7490 Napa 1 mi. S of Spanish Flat. 167 Comment
  UCD38569  Astragalus gambelianus Beecher Crampton 1956-5-25 3448 Napa Vaca Mtns., Markley Canyon. Comment
  UCD35292  Astragalus gambelianus Beecher Crampton 1955-4-7 2432 Napa Napa County; 7.8 miles north of Monticello. Comment
  CAS-BOT-BC193127  Astragalus rattanii var. jepsonianus Maxine Wilkes 1933-5-21 s.n. Napa Mt. St. Helena Comment
  UC1198295  Athysanus pusillus Joseph P. Tracy 1902-5-15 1461 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD159941  Avena fatua Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC145928  Avena fatua Peter H. Raven 1954-2-22 6407 Napa Orchard at west end of Saint Helena. 60 Comment
  UCD38526  Avena fatua var. glabrata Beecher Crampton 1956-3-13 3228 Napa Napa Valley, 1 mile south of Rutherford. Comment
  POM350407  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  CAS-BOT-BC106729  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Montecello 167 Comment
  JEPS40689  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1915-4-23 6247 Napa Conn Valley, Napa Range Comment
  OBI48782  Balsamorhiza hookeri L. F. LaPre 1986-7-11 s.n. Napa Tributary to Hunting Crk, 1 mi S of Dunnigan Hill, near the Lake co line. Jericho Valley 7.5' quad T11N, R5W sec 14 396 Comment
  JEPS104527  Balsamorhiza macrolepis Jake Ruygt 1981-4-20 988 Napa American Canyon east of Flosden Rd. 152 Comment
  CAS-BOT-BC16525  Barbarea orthoceras Peter H. Raven 1964-5-9 19068 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  UC552234  Barbarea orthoceras Joseph P. Tracy 1933-4-30 12111 Napa La Jota Palteau, Howell Mountain, on hills head of Moore's creek, 3-4 miles East of Angwin's 518 Comment
  UCD19929  Barbarea orthoceras E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 785 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD23366  Barbarea orthoceras Julie Knorr 1977-4-16 8 Napa Erect, little branching, yellow flowers. North facing slope, partial shade, foothill woodland. 6.4 miles west from Monticello Dam on Highway 128. Comment
  UCR267445  Barbarea vulgaris Catherine Koehler 2012-5-23 s.n. Napa McLaughlin UC Reserve; Hunting Creek between Hunting Creek Campground and contractor road 366 Comment
  CAS-BOT-BC145815  Beckmannia syzigachne Rimo Bacigalupi 1947-4-13 2817 Napa Along Silverado Highway, east of Napa Valley, 6 miles southeast of Yountville. Comment
  UCD56807  Beckmannia syzigachne B. Crampton 1954-6-25 2011 Napa 3 miles south of Calistoga. Comment
  CDA6264  Bellardia trixago T. C. Fuller 1958-6-4 Napa 2 miles south of Napa. 0 Comment
  JEPS47706  Berberis aquifolium Willis L. Jepson 1893-5-3 Napa near Toll-house (Middleton grade); Mt. St. Helena 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
  JEPS120385  Berberis aquifolium var. aquifolium Jake Ruygt 1986-3-16 1647 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road Comment
  UCD164734  Berberis nervosa Jake Ruygt 2014-6-23 6016 Napa Sutro Ranch, Atlas Peak, Fir Canyon. 405 Comment
  CHSC102255  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS120400  Bergia texana Jake Ruygt 1998-12-7 4120 Napa About .15 miles west of boat ramp at Lake Hennessey. 94 Comment
  SBBG128614  Bergia texana L. Ahart 2009-10-27 16485 Napa below the high water line of Lake Berryessa, ca. 100 yards E of Eticuera Crk, ca. 50 yards S of Eticuera parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  UCD161251  Berula erecta Jake Ruygt 3 July1999 4199 Napa American Canyon, north side of quarry. (Coordinates estimated by label maker at UC Davis). 94 Comment
  UCD148774  Beta vulgaris subsp. maritima Jake Ruygt 1991-9-14 2838 Napa Napa County; American Canyon, northwest of end of Mini Drive. 2 Comment
  UCD114362  Boechera breweri Robert E. Preston 1987-6-20 570 Napa E side of Putah Creek ca. 3500 ft s of its confluence with Hunting Creek. 243 Comment
  JEPS110703  Boisduvalia densiflora Jake Ruygt 1969-12-31 4117 Napa Big Ranch Road about 1/3 mile south of El Centro Ave. Napa 16 Comment
  CAS-BOT-BC31397  Bolboschoenus robustus Peter H. Raven 1952-8-26 5135 Napa Salt marshes near Bently Wharf. 15 Comment
  SACT000444  Brachypodium distachyon John Willoughby 1977-4-20 Napa foothill woodland 365.76 Comment
  JEPS18618  Brickellia californica Edw. L. Greene 1888-8-30 Napa Calistoga Comment
  UCD20758  Brickellia californica M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 108 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UCD57145  Briza maxima Beecher Crampton 1965-5-13 7335 Napa Ca. 3 miles SE of Calistoga Silverado Trail. Comment
  CAS-BOT-BC145367  Briza minor John H. Thomas 1955-5-21 5132 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  SACT000478  Briza minor John Willoughby 1979-5-25 Napa Pansy Flat, in open grassy areas below stock pond 609.6 Comment
  UC1158114  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa La Jota Plateau Northern Coast Ranges, Howeel Mountain (3-4 mi e of Angwin's, on hills at head of Moore's Creek) 518 Comment
  UCD170425  Briza minor Daniel Potter; Daniel McNair 2016-4-23 904 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD36947  Briza minor Beecher Crampton 1956-5-25 3475 Napa Southeastern Capell Valley. Comment
  RSA491733  Brodiaea californica subsp. leptandra James L. Reveal 1987-6-7 6407 Napa Along California Highway 128 near its intersection with the Berryessa-Knoxville Road, about 5 miles west-northwest of Moskowite Corner, about 13.5 airline miles north of Napa 244 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
  UCD160777  Brodiaea elegans subsp. elegans Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8657 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
  CAS-BOT-BC484197  Brodiaea elegans var. elegans Betty H. Johnson 1958-6-15 623 Napa Near St. Helena River, 6.4 mi S.W. of Middletown Comment
  CAS-BOT-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
  UCD148734  Brodiaea leptandra Jake Ruygt 1979-7-28 757 Napa Napa County; 0.9 mile east of Cold Springs Rd. on Los Posados Rd. 521 Comment
  UCD18146  Bromus arenarius Jean Shepard; with PLB 102 class 2000-4-29 201 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
  UCD73503  Bromus arenarius Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UCD36943  Bromus carinatus Beecher Crampton 1956-5-25 3464 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  JEPS123001  Bromus catharticus var. elatus Jake Ruygt 1995-4-8 3417 Napa Silverado Trail at Souza Lane, Napa. Quad: Napa. Comment
  CAS-BOT-BC155987  Bromus diandrus Peter H. Raven 1952-5-29 4084 Napa Napa River 1 mile north of Napa. 60 Comment
  CAS-BOT-BC155071  Bromus hordeaceus Peter H. Raven 1953-5-2 5358 Napa Yountville. Along railroad tracks. 76 Comment
  JEPS76085  Bromus hordeaceus W. L. Jepson 1938-5-22 18814 Napa Pope Valley, Limekiln Creek Canyon Limekiln Creek Canyon; Pope Valley, Limekiln Creek Canyon Comment
  UCD120791  Bromus hordeaceus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7331 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  UCD58765  Bromus hordeaceus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  JEPS75634  Bromus laevipes W. L. Jepson 1936-5-28 17541 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UC1103272  Bromus laevipes Joseph P. Tracy 1904-5-23 2101 Napa Hills e of Calistoga (Northern Coast Ranges); Northern Coast Ranges 243 Comment
  UCD20425  Bromus laevipes E. Dean; w/ PLB 102 class 2002-5-4 1012 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  UCD32905  Bromus laevipes Beecher Crampton 1965-6-17 7408 Napa Solano-Napa Counties, Vaca mountains, summit of Mt. Vaca. 859 Comment
  UCD58957  Bromus laevipes Beecher Crampton 1965-6-30 7409 Napa Mt. Vaca, Vaca Mtns. 872 Comment
  CHSC61248  Bromus porteri J. Lund 1980-4-12 Napa On Hwy 29, 4.5 miles west of Robert Lewis Stevenson State Park. Comment
  CAS-BOT-BC161830  Bromus rubens Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5333 Napa Pope Creek east of Samuels Springs. 91 Comment
  POM262786  Bromus rubens J. C. Roos 1939-4-28 261 Napa Angwin, Howell Mtn. Comment
  CDA5378  Buddleja davidii H. Stabo 1965-8-26 Napa Yountville Crossroads. 0 Comment
  UCD37684  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UC146150  Callitriche marginata Joseph P. Tracy May 15 1903-May 18 1903 1870 Napa Napa Valley near Calistoga; Northern Coast Ranges 91 Comment
  UCD139461  Calochortus albus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD160636  Calochortus amabilis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8728 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  CAS-BOT-BC488484  Calochortus amabilis David D. Keck 1933-5-28 2330 Napa Howell Mountian, north side, 1 mile above Pope Valley, P.O. Comment
  CAS-BOT-BC488488  Calochortus amabilis Carl B. Wolf 1928-5-3 1787 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  RSA68639  Calochortus amabilis J. T. Howell 1931-4-2 6076 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  SEINET3884890  Calochortus amabilis D. W. McNeal 1975-5-3 1592 Napa Above the Berryessa-Kxonville Rd., 0.3 mi. n.w. of Knoxville.; 0 Comment
  SEINET8194296  Calochortus amabilis M. Ackley 1968-5-12 1191 Napa Napa Valley. Comment
  UCD139474  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa north side of Putah Canyon. Comment
  UCD40875  Calochortus amabilis Judy Force 1984-4-21 s.n. Napa Near Lake Berryessa. Comment
Read comments
Oct 15 2010
  UC1197688  Calochortus luteus J. P. Tracy 1899-6-17 450 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD41332  Calochortus luteus Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 7 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. 434 Comment
  IRVC19763  Calochortus luteus Anne E. Justice 1981-4-27 s.n. Napa 8.5 miles from Winters on Hwy 128, 1.5 mi before Monticello Dam. Comment
  SEINET4169882  Calochortus luteus Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15076 Napa In Chaparral, 20 miles north of Napa Comment
  UC422984  Calochortus luteus H. P. Chandler 1907-5-30 7602 Napa White Sulphur Springs St. Helena Comment
  UCD166649  Calochortus luteus Jake Ruygt 1982-7-6 1366 Napa north of American Canyon (Cantoni Canyon). 259 Comment
  UCSB638  Calochortus pulchellus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek, 1.8 miles east of end of Conn Lake 76 Comment
  CAS-BOT-BC132623  Calochortus uniflorus C. F. B. 1903-4-19 1979 Napa Calistoga Comment
  JEPS113986  Calochortus uniflorus Jake Ruygt 1981-5-6 1011 Napa Highway 28, 0.2 mile south of Lower Chiles Valley Road. Chiles Valley 7.5' Quad. Comment
  UCD167101  Calochortus vestae Jake Ruygt 2015-6-20 6139 Napa Missimer - Snell Valley Preserve. 175 Comment
  CAS-BOT-BC270616  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mountain Comment
  CAS-BOT-BC270613  Calycadenia multiglandulosa David D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  CAS-BOT-BC270615  Calycadenia multiglandulosa David D. Keck 1933-7-1 2467 Napa Howell Mountain, 2 miles SW of Pacific Union College Comment
  CAS-BOT-BC270833  Calycadenia pauciflora John Thomas Howell 1929-8-4 4364 Napa 1 mile below Samuels Springs, Pope Creek Canon [Pope Creek Canyon], Napa Range Comment
  CAS-BOT-BC270835  Calycadenia pauciflora John Thomas Howell 1930-10-19 5626 Napa 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa - Lake County line Comment
  JEPS38539  Calycadenia pauciflora W. L. Jepson 1916-8-6 6831 Napa Howell Mt. Comment
  RSA255589  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa Junction of Lower Chiles Valley and Pope Valley Roads Comment
  UCD160805  Calycadenia pauciflora Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8685 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 488 Comment
  UCD18117  Calycadenia pauciflora K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 54 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  CAS-BOT-BC270836  Calycadenia pauciflora H. M. Hall 1924-10-10 s.n. Napa From seeds gathered in northern part of county Comment
  JEPS104713  Calycadenia pauciflora John L. Morrison 1936-9-19 1947 A Napa Knoxville Mines Comment
  JEPS38579  Calycadenia pauciflora W. L. Jepson 1891-9-21 Napa Miller Canon Vaca Mts. Comment
  RSA255519  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles SW of Berryess-Knoxville Road via Devilhead Rd. Comment
  UCD129809  Calycadenia pauciflora Gerald D. Carr 1971-8-6 617 Napa Butts Canyon Road, 1.3 miles south of Snell Valley Road. Comment
  UCD129850  Calycadenia pauciflora Gerald D. Carr 1972-9-14 734 Napa 1.5 miles east of Howell Mountain Road on Conn Valley Road. 121 Comment
  UC1953744  Calycadenia truncata R. L. Carr 1986-10-2 2264 Napa Ca. 0.5 mi S of Pacific Union College Campus (first road cut S of Angwin) on rocky flat above road (=GDC 682) Comment
  UCR23720  Calycadenia truncata John C. Roos 1939-7-16 254 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 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-BC271574  Calycadenia truncata subsp. truncata Brandegee No date on label. s.n. Napa Howell Mt. Comment
  CDA29117  Calycanthus occidentalis D. G. Kelch, Daniel Weinstein 2009-6-21 9 .443 Napa Near Skyline Park. Comment
  RSA456155  Calycanthus occidentalis B. C. Templeton 1957-6-26 s.n. Napa About 1.1 miles E of Calistoga. Comment
  SFV5086  Calycanthus occidentalis B. C. Templeton 1957-6-26 s. n. Napa About 1.1 miles east of Calistoga. 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
  UC23185 Image available Calystegia collina subsp. collina Willis L. Jepson 1894-5-1 Napa Conn Valley, Napa River Basin. Comment
  UCD164750  Calystegia collina subsp. collina Jake Ruygt 2014-5-28 5962 Napa Oat Hill Mine Road east. 424 Comment
  CAS-BOT-BC223617  Calystegia collina subsp. oxyphylla Lewis S. Rose 1934-5-23 34277 Napa N. slope Mt. St Helena Comment
  JEPS100896  Calystegia collina subsp. oxyphylla Dean W. Taylor 1998-5-14 16439 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  JEPS31598  Calystegia collina subsp. oxyphylla W. L. Jepson 1924-4-27 10381 Napa e Mt. St. Helena; e of Mt. St. Helena Comment
  UCD161311  Calystegia collina subsp. oxyphylla Joe Callizo 1998-6-18 s.n. Napa Livermore Road. (Coordinates estimated by label maker at UC Davis). 524 Comment
  SD225762  Calystegia occidentalis subsp. occidentalis R. K. Brummitt 1997-6-2 19625 Napa NE of Lucerne, 15 km along Bartlett Springs Road from Clear Lake 1000 Comment
  UC796481  Calystegia purpurata Ira L. Wiggins 1949-4-30 12080 Napa on rocky ridge along old toll road between Calistoga and Middletown; between Calistoga and Middletown Comment
  UCD148997  Calystegia purpurata subsp. purpurata D. Woods; V. Popescu 2010-6-28 s.n. Napa along Devilshead-Knoxville Road. 450 Comment
  RSA195312  Camissonia graciliflora Gilbert Muth 1967-4-30 659 Napa Snell Valley 183 Comment
  RSA186745  Camissonia hirtella Peter H. Raven 1965-5-15 20206 Napa Nevada Creek, 5 miles SSE of Knoxville 335 Comment
  UC679525  Campanula angustiflora Milo S. Baker 1942-5-27 10203 Napa along boundary between Napa and Sonoma Counties (n of summit of Spring Mt. Road from Santa Rosa toward town of St. Helena) Comment
  JEPS100899  Campanula griffinii Dean W. Taylor 1998-5-14 16436 Napa Asbestos Mine, Steele Canyon (southerly arm of Lake Berryessa) 301 Comment
  UCD75839  Campanula griffinii Jake Ruygt 1996-5-14 3691 Napa White Cliff Springs, Elder Valley, Sabini property. 384 Comment
  UC168960  Campanula prenanthoides Joseph P. Tracy 1905-7-6 2223 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  CAS-BOT-BC37583  Cardamine californica John H. Thomas 1955-5-21 5154 Napa Along State Highway number 128, about 4.5 miles south of Monticello. 167 Comment
  CAS-BOT-BC37586  Cardamine californica John Thomas Howell 1931-4-4 6162 Napa Near Toll House, Mount St. Helena Region. Comment
  CAS-BOT-BC37589  Cardamine californica Milo S. Baker 1931-4-2 5134 Napa 8 miles from Monticello along Pope Creek. Comment
  JEPS106839  Cardamine californica var. californica Jake Ruygt 1977-2-13 125 Napa east of Napa State Hospital 91 Comment
  JEPS106836  Cardamine californica var. integrifolia Jake Ruygt 1982-2-16 1099 Napa .3 miles north of Chimney Rock Golf Cour se on Silverado Trail 20 Comment
  JEPS106834  Cardamine californica var. sinuata Jake Ruygt 1979-4-14 510 Napa Aetna Springs Extension Road 475 Comment
  CDA12075  Cardamine hirsuta G. F. Hrusa, J. Messina 1989-3-3 5880 Napa North Coast Biodiversity Arena; Hwy. 128 W of Monticello Dam (Lake Berryessa). Comment
  UCD18023  Cardamine hirsuta Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 569 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  CAS-BOT-BC281732  Carduus pycnocephalus Betty H. Johnson 1958-6-15 627 Napa 6.4 miles SW of [unreadable] Comment
  RSA195342  Carduus pycnocephalus Gilbert Muth 1967-5-19 699 Napa Milliken Dam. 335 Comment
  UCD85577  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 -58 Napa State Highway 53, 2.5 miles north of Calistoga. Comment
  UCD160570  Carex G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  JEPS63757  Carex barbarae W. L. Jepson 1918-6-25 7670 Napa Oakville, Napa Valley Comment
  JEPS75641  Carex barbarae W. L. Jepson 1936-5-30 17560 Napa Rutherford, Napa Valley 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
  CAS-BOT-BC35066  Carex densa Alice Eastwood; John Thomas Howell 1938-5-15 5522 Napa Myrtledale Hot Springs. Comment
  UCD161334  Carex densa Jake Ruygt 1982-4-25 1204 Napa Large meadow at base of Swartz Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  UCD161704  Carex densa Jake Ruygt 2010-6-5 5596 Napa Moskowite Corner, Highway 128 and 121. 252 Comment
  UC50830  Carex multicaulis J. P. Tracy 1902-5-21 1616 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 487 Comment
  JEPS121346  Carex multicaulis Jake Ruygt 1997-4-4 3821 Napa Mt Veeder, south of Lokoya Roads. Comment
  CAS-BOT-BC119512  Carex nudata Ella D. Cantelow 1939-4-8 2501 Napa 3.5 mi NW of Knoxville. Comment
  RSA3945  Carex nudata I. L. Wiggins 1932-3-12 5753 Napa Rocky bed of N. Fork of Napa River, 1 mile N. of Calistoga. Comment
  CAS-BOT-BC119517  Carex nudata Beecher Crampton 1954-6-13 1952 Napa Sandy beach of Putah Creek, along St Hwy 128, 8 mi W of Winters. Comment
  UC835992  Carex serratodens Mrs. H. C. Cantelow 1939-4-8 Napa 3 1/2 mi nw Knoxville Comment
  CAS-BOT-BC117620  Carex serratodens Ella D. Cantelow 1939-8-8 2500 Napa 3.5 mi NW of Knoxville. Comment
  RSA98669  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon. 244 Comment
  UC1152079  Carex serratodens Joseph P. Tracy 1950-5-19 18655 Napa Conn Valley Reservoir Comment
  CAS-BOT-BC116769  Carex subfusca Peter H. Raven 1951-6-10 2929 Napa Crater Region E of Palisades. 762 Comment
  CAS-BOT-BC115550  Carex tumulicola Peter H. Raven 1951-6-24 3023 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UCD148091  Carthamus lanatus Jake Ruygt 2001-7-2 4317 Napa East of Lower Chiles Valley Rd. on Sage Canyon Rd. (Hwy 128) 155 Comment
  POM182742  Castilleja affinis D. D. Keck 1931-4-2 1042 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  JEPS57376  Castilleja affinis subsp. affinis L. R. Heckard and T. I. Chuang 1968-6-18 1943 Napa 2 mi below Ink Grade junction with Howell Mt. road (ne of Angwin) (Ink Grade) 457 Comment
  UC1281079  Castilleja affinis subsp. affinis H. E. McMinn 1923-5-25 959 Napa between Rockville and Wooden Valley; Suisun Creek Comment
  JEPS9137  Castilleja ambigua subsp. ambigua W. L. Jepson 1893-4-24 21401 Napa hills e St. Helena to Conn Valley Grade (Howell Mt. foothills); Napa River Basin, Howell Mt. Comment
  JEPS86590  Castilleja ambigua var. meadii L. R. Heckard with Jake Ruygt 1987-5-10 6661 Napa 6.5 mi up Atlas Peak Rd. from Monticello Rd., Napa (Calif. Hwy. 121) (along Atlas Peak Rd, ne of Napa) 448 Comment
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Oct 10 2013
  JEPS4856  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due east of Yountville 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
  JEPS88819  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7834 Napa 3 mi n Angwin (along Ink Grade Rd) Comment
  RSA195298  Castilleja applegatei subsp. martinii Gilbert Muth 1967-5-17 680 Napa Oat Hill Road, Calistoga. 671 Comment
  JEPS46013  Castilleja applegatei subsp. martinii L. R. Heckard 1957-7-26 817 Napa Summit of Mt. St. Helena road Mt. St. Helena (along Highway 29) 609 Comment
  JEPS5188  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4128 Napa Along State Highway No.29 from Calistoga to Middletown, 1.6 miles below (south of) road summit. Comment
  JEPS66536  Castilleja applegatei subsp. martinii John F. Emmel 1971-4-17 343 Napa just above Butts Canyon Road and Snell Valley Road junction 219 Comment
  JEPS88836  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7835 Napa near summit between Calistoga and Middletown Comment
  OBI54929  Castilleja applegatei subsp. martinii Kathleen Faustini 1980-5-4 27 Napa Monticello dam Comment
  JEPS110633  Castilleja attenuata Jake Ruygt 1983-5-1 1450 Napa east side of HWY 29 on Suscol ridge 28 Comment
  JEPS110667  Castilleja attenuata Jake Ruygt 1977-5-1 207 Napa east of east end Westgate Dr., Silverado Country Club 198 Comment
  JEPS9946  Castilleja attenuata Willis L. Jepson 1893-4-26 21367 B Napa Rutherford Napa River Basin Comment
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Jan 18 2009
  JEPS9970  Castilleja attenuata W. L. Jepson 1944-5-21 27528 Napa w base Adam-and-Eve Ridge; Howell Mountain Comment
  UCD116985  Castilleja attenuata Jillian Howard; Plant Biology 102 Collectors 2012-4-29 6 Napa Las Posadas State Experimental Forest. 0.1 miles NE of fire station, north side of dirt road. 518 Comment
  UCSB7453  Castilleja attenuata Kamb, Peter; Chisaki, Francia 1950-4-22 Napa 3.2 miles west of junction of the road with California Highway #37 213 Comment
  JEPS9410  Castilleja densiflora subsp. densiflora W. W. Mott 1915-4-26 4 Napa Napa, hills sw Napa Comment
  UCD122442  Castilleja exserta P. B. Kaufman 1950-4-7 27 Napa Putah Canyon. Comment
  HSC45336  Castilleja foliolosa R. York 1978-4-8 105 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD18055  Castilleja foliolosa Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 609 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
  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
  CAS-BOT-BC241283  Castilleja latifolia Peter H. Raven 1952-5-31 4155 Napa Rector Dam 152 Comment
  POM180774  Castilleja minor subsp. spiralis J. T. Howell 1930-10-19 5622 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  UC190969  Castilleja minor subsp. spiralis Katharine Brandegee 1910-8-26 Napa Aetna Springs Comment
  UC765676  Castilleja minor subsp. spiralis R. F. Hoover 1938-9-23 3860 Napa canyon of south fork of Butts Creek Comment
  SEINET10745043  Castilleja minor var. spiralis Willis L. Jepson 1897-7-13 Jepson 21113 Napa Moist rivulets, Butt's Canyon (Pope Valley to Coyote Valley), northern Napa Co. Comment
  SEINET7075541  Castilleja rubicundula A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  JEPS110657  Castilleja rubicundula subsp. lithospermoides Jake Ruygt 1978-5-21 332 Napa 6.3 miles north of Sage Canyon Rd. on Chiles Valley Rd. 237 Comment
  UC194179  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1888 Napa Comment
  SBBG7065  Castilleja rubicundula subsp. lithospermoides H. and M. Dearing 1939-5-3 3273 Napa Napa County [no specific locality] Comment
  JEPS110679  Castilleja rubicundula subsp. rubicundula Jake Ruygt 1980-6-17 923 Napa 23.4 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 633 Comment
  JEPS11155  Castilleja rubicundula subsp. rubicundula W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge; ne Napa County 609 Comment
  CAS-BOT-BC83849  Ceanothus confusus D. O. Burge 2008-6-1 1006 c Napa Mount Saint Helena, eastern slopw of SE-most peak 1000 Comment
  CAS-BOT-BC48940  Ceanothus cuneatus Alice Eastwood; John Thomas Howell 1939-6-11 7422 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC48941  Ceanothus cuneatus John Thomas Howell 1930-7-13 5364 Napa Crater Country Comment
  RSA41954  Ceanothus cuneatus H. C. Cantelow 1936-3-22 1139 Napa Howell Mt. Comment
  UCD170665  Ceanothus cuneatus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 200 Comment
  JEPS78442  Ceanothus cuneatus var. cuneatus Edward Lee 1936-3-15 1824 Napa trip from Rutherford to Pope Valley Butt's Canyon Comment
  CAS-BOT-BC49787  Ceanothus divergens John Thomas Howell 1941-4-5 16166 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49794  Ceanothus divergens Carl B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64437  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  JEPS110718  Ceanothus divergens Jake Ruygt 1979-3-25 460 Napa 1.5 miles west of HWY 29 on Whitehall Lane 128 Comment
  SEINET10778078  Ceanothus divergens subsp. divergens Dylan O. Burge 2009-1-15 Burge 1021 c Napa South of Kortum Canyon, near the border of Napa Country with Sonoma County, site accessed on foot from near the end of Pacheteau Road, 1.5 road miles (2.4 km) from SR 29 via Diamond Mountain Road and Pacheteau Road, 1.57 km 200 deg. (True) SSW of Calistoga. 240 Comment
  UC18323  Ceanothus foliosus Edw. L. Greene 1892-4-23 Napa Mt. St. Helena Comment
  UC18330  Ceanothus foliosus Willis L. Jepson 1893-5-4 Napa trail to first summit of Mt. St. Helena Napa River Basin Comment
  UC79976  Ceanothus foliosus C. C. Parry 1881-1 Napa Calistoga Comment
  UCD162121  Ceanothus foliosus Dylan O. Burge 2014-3-15 1499 Napa Mount Saint Helena. 755 Comment
  CAS-BOT-BC50878  Ceanothus foliosus var. foliosus Ella Dales Cantelow 1939-4-8 2524 Napa 4 1/2 mi. s.w. of Pac Union College, Howell Mt. Comment
  CAS-BOT-BC50909  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4566 Napa Petrified Forest Comment
  CAS-BOT-BC50923  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-4 1852 Napa Mt. St. Helena 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
  UCD95694  Ceanothus foliosus var. foliosus Ellen Dean; with Clare Loughran 2011-5-20 7041 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CAS-BOT-BC63747  Ceanothus incanus H. E. McMinn 1922-3-27 104 Napa Near Mt. St. Helena. Comment
  UCD162738  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1625 Napa Butts Canyon Road, roadside. 222 Comment
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Dec 8 2016
  UCD170258  Ceanothus integerrimus D. O. Burge 2016-10-22 2182 Napa Roadside on Butts Canyon Road. 210 Comment
  CAS-BOT-BC474707  Ceanothus jepsonii Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersection with Berryessa-Knoxville Road 140 Comment
  CAS-BOT-BC50631  Ceanothus jepsonii H. E. McMinn 1922-8-2 298 Napa Upper Pope Valley along old RR bed Comment
  CAS-BOT-BC50637  Ceanothus jepsonii Roman Gankin 1966-2-26 678 Napa Next to roadway at gate; property west of macdonald Ranch, las Posadas State Forest Comment
  CAS-BOT-BC64976  Ceanothus jepsonii D. H. Wilken; E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Cyn Rd, ca 1.5 linear km S of jct with Snell Valley Rd. 315 Comment
  RSA399003  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Near Napa Comment
  UCD144307  Ceanothus jepsonii G. F. Hrusa 1995-4-2 12049 Napa Along Hwy 128 approx. 2.5 m. SW of intersection of 128 and Chiles Valley Rd., 0.05 m. W. of Nichellini Winery. 250 Comment
  UCR136728  Ceanothus jepsonii Lester Rowntree 1930-7-15 s.n. Napa Coast Range, Sage Canyon 305 Comment
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Nov 27 2007
  RSA195385  Ceanothus jepsonii subsp. albiflorus Gilbert Muth 1967-4-9 600 Napa Aetna Spring Road. 305 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
  SEINET11191994  Ceanothus oliganthus var. oliganthus R. R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca. 8.7 miles W of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  CAS-BOT-BC51557  Ceanothus oliganthus var. sorediatus Lewis S. Rose 1955-4-4 55043 Napa Conn Lake, 5 mi. E. of Rutherford 152 Comment
  JEPS110857  Ceanothus oliganthus var. sorediatus Jake Ruygt 1979-4-21 537 Napa Milliken Canyon 121 Comment
  JEPS42216  Ceanothus oliganthus var. sorediatus W. L. Jepson 1893-4-25 14005 Napa w St. Helena (Caux's Knob) Comment
  POM182687  Ceanothus oliganthus var. sorediatus D. D. Keck 1931-4-2 1011 Napa Foot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa. 90 Comment
  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
  RSA26084  Ceanothus parryi Lester Rowntree 1933-4-17 s.n. Napa Near St. Helena Comment
  UC338132  Ceanothus parryi C. C. Parry 1888-1 Napa Calistoga Comment
  UC762309  Ceanothus parryi R. F. Hoover 1944-4-27 4946 Napa East side of Mt St. Helena Comment
  UCD95896  Ceanothus parryi Ellen Dean; with Clare Loughran 2011-5-20 7042 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  JEPS48864  Ceanothus prostratus Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  CAS-BOT-BC52181  Ceanothus purpureus Herbert L. Mason 1924-1-22 1200 Napa Wooden Valley Grade Comment
  CAS-BOT-BC52187  Ceanothus purpureus H. E. McMinn 1923-5-25 964 g Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52194  Ceanothus purpureus Roman Gankin 1966-3-3 684 Napa at roadside, State Highway 121, 1.9 miles Southwest of its junction with Wooden Valley Road Comment
  CAS-BOT-BC52200  Ceanothus purpureus Peter H. Raven 1953-4-2 5259 Napa e. of Imola 182 Comment
  POM182715  Ceanothus purpureus D. D. Keck 1931-4-2 1013 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  RSA19010  Ceanothus purpureus J. T. Howell 1937-7-4 s.n. Napa Wooden Valley Grade Comment
  UC728640  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa 5 mi from Napa on Monticello Road Comment
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Dec 31 2011
  UC870643  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa Five miles fron Napa on Monticello road. Comment
  UCR136719  Ceanothus purpureus L. S. Rose 1948-3-8 48010 Napa Wooden Valley Grade, 6 mi NE of Napa 183 Comment
  UCSB40793  Ceanothus purpureus Haller, John 1979-5-4 Napa Mead Ranch, near Atlas Peak Road, about 5 miles (by road) north of State Highway 121 and 9 miles north of Napa 487 Comment
  SEINET12210810  Ceanothus purpureus W. Knight, Knight, I. 1982-1 4658 Napa Tilden Botanic Garden, Berkeley Comment
  JEPS110662  Ceanothus sonomensis Jake Ruygt 1991-4-5 2619 Napa 1/2 mile south of Hogback Mtn. along ridgeline 402 Comment
  SEINET3076020 Image available Ceanothus tomentosus Royal D. Suttkus 1967-6-26 67- 30 -12 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCSB45558  Centaurea calcitrapa Roos, John 1957-6-28 Napa Napa Comment
  JEPS44142  Centaurea cyanus W. L. Jepson 1936-7-2 17639 Napa Four Corners Napa Range, Howell Mt. Comment
  CAS-BOT-BC272112  Centaurea cyanus Peter H. Raven 1951-6-26 3051 Napa Wooden Valley Grade 121 Comment
  CDA36978  Centaurea iberica J. H. Shelgren 1976-6-3 34 Napa Putah Creek; near Lake/Napa County line. 0 Comment
  UCD149664  Centaurea melitensis 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
  JEPS46939  Centaurium trichanthum W. L. Jepson 1938-9-24 19022 Napa canyon of Limekiln Creek Pope Valley 304 Comment
  UC1222140  Centaurium trichanthum Joseph P. Tracy 1950-8-11 19302 Napa between Napa City and Yountville; Napa Valley, Calistoga Hot Springs 30 Comment
  CAS-BOT-BC272822  Centromadia parryi subsp. parryi H. M. Hall 1923-10-15 11948 Napa Calistoga Comment
  CAS-BOT-BC272827  Centromadia parryi subsp. parryi Peter H. Raven 1957-5-5 10742 Napa Calistoga 91 Comment
  JEPS38176  Centromadia parryi subsp. parryi Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UC913083  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2715 Napa Calistoga Comment
  UCD118140  Cerastium glomeratum Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station, along undeveloped road, south side of road. 519 Comment
  UCD48851  Cerastium glomeratum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 10 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 Cut-Off Rd. 152 Comment
  SBBG29889  Cercis occidentalis E. Crum 1937-8-8 1956 Napa Putah Crk Cyn, 7 mi SE of Monticello Comment
  UC1540471  Cercis occidentalis Ethel Crum 1937-8-8 1956 Napa 7 mi se Monticello; Putah Creek Canyon Comment
  UCD33088  Cercocarpus betuloides Beecher Crampton 1966-5-10 7715 Napa 9 miles east of Rutherford on State Hwy. 128. Comment
  UCD39159  Cercocarpus betuloides Beecher Crampton 1965-6-30 7422 Napa Mt. Vaca, Vaca Mountains. 859 Comment
  JEPS44709  Cercocarpus betuloides var. betuloides W. L. Jepson 1937-4-10 17999 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena Comment
  UCD170202  Cercocarpus betuloides var. betuloides Daniel Potter 2015-3-14 755 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road and Eticuera Creek. 242 Comment
  HSC43957  Chaenactis glabriuscula var. heterocarpha Robert M. Specht 1977-4-19 688 Napa Along drainage running NE from Adams Creek. Comment
  UC894475  Chaenactis glabriuscula var. heterocarpha Milo S. Baker 1931-4-19 5413 Napa just nw of School house (along highway, Conn Valley); Conn Valley Comment
  CDA34657  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS52337  Chamaesyce serpyllifolia W. L. Jepson 1897-7-12 13930 Napa Samuels Springs, Aetna Comment
  JEPS68366  Cheilanthes gracillima L. R. Heckard 1972-6-26 3000 Napa se of lookout on peak of Mt St Helena (below radar station) 1188 Comment
  JEPS59712  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa Napa River Comment
  JEPS115848  Chenopodium pumilio Lowell Ahart 2009-10-12 16443 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 437 Comment
  RSA755365  Chenopodium pumilio L. Ahart 2009-10-27 16484 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  CDA3106  Chenopodium vulvaria Croxdale 1991-5-22 Napa 6071 Solano Avenue, north of Napa. 0 Comment
  JEPS58858  Chimaphila menziesii Willis L. Jepson 1894-7-19 14655 Napa Mt. St. Helena near Toll House; Napa R. Basin, Mt. St. Helena Comment
  CAS-BOT-BC498812  Chlorogalum pomeridianum Peter H. Raven 1952-5-31 4122 Napa Hills s.w. of Rector Canyon 152 Comment
  UC1197670  Chlorogalum pomeridianum var. pomeridianum J. P. Tracy 1899-7-6 451 Napa head Moore's Creek (3-4 mi e of Angwin's; Howell Mountain); , head of Moore's Creek 365 Comment
  CDA18829  Chondrilla juncea O. Dannenberg 1999-6-22 PDR 1103331 Napa Hwy 29 Yountville overpass, Yountville. 0 Comment
  JEPS110855  Chorizanthe membranacea Jake Ruygt 1986-5-10 1763 Napa Devil's Canyon above falls 597 Comment
  UCD21554  Chorizanthe polygonoides var. polygonoides A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 8 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. Along Devil Head Road, just upslope (south) of Knoxville-Berryessa road. West side of Devilhead Road. 487 Comment
  CAS-BOT-BC252842  Chorizanthe polygonoides var. polygonoides John Thomas Howell 1933-6-4 11392 Napa Hills east of Napa Comment
  CAS-BOT-BC36499  Chrysolepis chrysophylla Alice Eastwood 1915-6-6 4699 Napa Mt. St. Helena Comment
  CAS-BOT-BC285220  Cichorium intybus Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS59225  Cirsium cymosum var. cymosum Willis L. Jepson 1892-7 Napa Knoxville Mountain Region of Clear Lake Comment
  UCD63171  Cirsium douglasii var. douglasii Jake Ruygt 1991-8-4 2817 Napa west of Hunting Creek Campground toward Paradise Valley. 289 Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD143081  Cirsium vulgare Mark Bibbo 2002-7-28 79 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  CAS-BOT-BC169771  Cistanthe quadripetala John Thomas Howell 1940-5-19 15460 Napa Upper St. Helena Creek 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
  CAS-BOT-BC172178  Clarkia concinna R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6674 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  CAS-BOT-BC172181  Clarkia concinna John Thomas Howell 1929-5-30 4279 Napa Between Chiles and Pope Valleys, Napa Range Comment
  UCD67522  Clarkia concinna D. Sanchez-Mata 1996-6-15 s.n. Napa Lake Berryessa. Capell Valley. 320 Comment
  SFV8362  Clarkia gracilis F. P. Guerrero 1961-5-14 22 Napa North Coast Ranges North slope of mountain near Lake Berryessa. 244 Comment
  RSA155889  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa Lower Lake; Knoxville Road, 1.9 miles south of Lake Co. line Comment
Read comments
Jul 17 2015
  JEPS120335  Clarkia gracilis subsp. sonomensis Jake Ruygt 2005-5-16 4849 Napa Old Toll Road, Jericho Canyon. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC163687  Clarkia purpurea subsp. quadrivulnera Betty H. Johnson 1958-6-15 634 Napa 1/2 mi. above Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  CAS-BOT-BC163690  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-10 2899 Napa Calistoga-[Hanly's] Hanley's, Toll Rd., Mt. St. Helena 182 Comment
  CAS-BOT-BC164775  Clarkia rhomboidea Betty H. Johnson 1958-6-15 638 Napa 1/4th mi above Mt. Mill House, 6.4 mi. S-W. Middletown Comment
  RSA292921  Clarkia unguiculata Reino Alava 1957-5-30 979 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  UCD105039  Clarkia unguiculata M. Ensign 1943-5-28 305 Napa 10 miles N of Monticello on road to Lower Lake. 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
  JEPS43324  Claytonia gypsophiloides W. L. Jepson 1910-3-28 4020 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  CAS-BOT-BC439371  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena Comment
  JEPS43272  Claytonia gypsophiloides W. L. Jepson 1893-5-1 Napa Upper Napa Valley; Napa River Basin Comment
  JEPS112613  Claytonia parviflora subsp. parviflora Jake Ruygt 1997-3-18 3805 Napa Greenfield Road 213 Comment
  UCD117465  Claytonia parviflora subsp. parviflora Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside near drainage pipe. 519 Comment
  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
  UCD41465  Claytonia perfoliata Ellen Dean; Deborah Canington 2003-3-1 1362 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road by running stream. 182 Comment
  CAS-BOT-BC439793  Claytonia perfoliata Betty H. Johnson 1958-6-15 635 Napa 1/2 mi. above Mt. Mill House, 6.4 mi. S-W. of Middletown Comment
  UCD100748  Claytonia perfoliata M. Ramos 1996-4-20 6 Napa city of Calistoga, along side of road next to dried river bed. 137 Comment
  UCD15052  Claytonia perfoliata F. Takeda 1977-4-24 41 Napa Scagg Canyon, along Highway 128, 6.4 miles southwest of Monticello Dam. 182 Comment
  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
  UCD20832  Clematis lasiantha C. Kremen; N. Nicola 2001-3-30 48 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, along Hwy. 128, aprox. 0.5 mi. west of Montecello Dam via road. Lat/long is estimate. Comment
  UC735041  Collinsia greenei Lincoln Constance, John F. Davidson, Ren Hwa Shan, & W. Herbert Wagner 1946-5-18 3046 Napa near Mount St. Helena Inn (se slope of Mount St. Helena); Mount St. Helena Comment
  JEPS7345  Collinsia heterophylla W. L. Jepson 1944-5-21 27527 Napa Adam-and-Eve Ridge Howell Mountain (valley at w base) Comment
  UCD123575  Collinsia heterophylla Kamala Crompton 1996-5-12 12 Napa next to Berryessa-Knoxville Road, 1 mile of Quarry Canyon. 120 Comment
  UCD18158  Collinsia heterophylla Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. 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
  HSC38124  Collinsia heterophylla Thomas W. Nelson, Jane P. Nelson, James Nelson, J. P. Smith 1976-4-12 2351 Napa Along Morgan Valley Rd., 4.5 mi N of Lake Berryessa Comment
  POM182690  Collinsia sparsiflora D. D. Keck 1931-4-2 1008 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  CDA11334  Collinsia sparsiflora var. arvensis G. F. Hrusa 1995-4-2 12044 Napa North Coast Biodiversity Arena; Above 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
  JEPS77939  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3.4 mi out of Rutherford (Rutherford-Pope Valley Road); Rutherford-Pope Valley Road Comment
  UC1301188  Collinsia sparsiflora var. arvensis Helen K. Sharsmith 1963-3-17 5223 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC903162  Collinsia sparsiflora var. arvensis Ethel Crum 1937-4-19 1778 Napa 6 mi n of Napa (Napa Range, Mount George); Napa Range, Mount George 304 Comment
  UC917131  Collinsia sparsiflora var. arvensis D. C. Finfrock 1950-4-2 14 Napa 2 mi from St. Helena on the Pope Valley Road St. Helena; Pope Valley Road Comment
  JEPS6321  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-24 21333 Napa e St. Helena (hills); Napa River Basin Comment
  RSA195365  Collinsia sparsiflora var. arvensis Gilbert Muth 1967-3-31 598 Napa Old Howell Mountain road. 457 Comment
  SEINET12268978  Collinsia sparsiflora var. arvensis H. K. Sharsmith 1963-1 5223 Napa S side Mount Atlas 610 Comment
  JEPS29585  Collinsia sparsiflora var. collina Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8442 Napa 4.8 miles N of Vichy Springs junction (with Calif. 37) along Atlas Peak road; due W of and above Milliken Reservoir. 335 Comment
  SEINET4208221  Collinsia sparsiflora var. sparsiflora Richard R. Halse 2013-3-27 8756 Napa Along State Hwy. 128 ca 5.3 miles east of its junction with State Hwy. 121 at Moskowite Corners.; 0 239 Comment
  UC147868  Collinsia sparsiflora var. sparsiflora J. P. Tracy 1902-5-17 1517 Napa 3-4 mi e Angwin (head of Moore's Creek); Howell Mtn, Moore's Creek 365 Comment
  UCD18045  Collinsia sparsiflora var. sparsiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 596 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
  UCD49281  Collinsia sparsiflora var. sparsiflora A. Van Houtte; E. Leger and C. Hohn 2001-4-14 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UC614495  Collinsia sparsiflora var. sparsiflora L. Constance 1938-3-27 2034 Napa 5 mi e Napa (in the Howell Mountains); North Coast Ranges, Howell Mountains, e of Napa 457 Comment
  UCSB19121  Collinsia sparsiflora var. sparsiflora Rankine, Jane 1965-4-13 Napa road to Angwin; 3 miles W of Pope Valley Comment
  JEPS110958  Collomia diversifolia Jake Ruygt 1983-4-17 1432 Napa Red Hill, Mt. St. Helena 655 Comment
  UCD118178  Collomia heterophylla K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  RSA88579  Collomia heterophylla L. S. Rose 1954-5-24 54047 Napa Summit, Wooden Valley grade, 6 miles N E of Napa. Comment
  RSA92933  Collomia heterophylla P. H. Raven 1951-6-26 3067 Napa Wooden Valley Grade 305 Comment
  UC908766  Collomia heterophylla P. B. Kennedy 1929-5-23 Napa Moore Creek Howell Mountain Comment
  JEPS122712  Conyza bonariensis Jake Ruygt 1995-6-5 3487 Napa About 1.5 miles SE of Sage Canyon Road from boat dock. Quad: Yountville. Comment
  JEPS120446  Corallorhiza maculata Jake Ruygt 1986-4-12 1686 Napa North end of Redwood Rd. near Hogback Mountain. Comment
  UCD123104  Cordylanthus pilosus P. Rodriguez-Rojo; D. Sanchez-Mata 1997-7-24 Napa Butts Canyon Road. Butts Creek. 350 Comment
  JEPS55937  Cordylanthus pilosus subsp. pilosus T. I. Chuang and F. M. Chuang 1968-7-24 6484 Napa 10.9 mi n Calistoga Comment
  RSA128655  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1951-8-21 3864 Napa Ridge s.e. of Mt. Veeder. 671 Comment
  RSA516551  Cordylanthus pilosus subsp. pilosus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-9 4750 Napa Grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort. 511 Comment
  RSA201598  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa East side of Mt. St. Helena, abotu 0.5 miles south of Lake Co. line. Comment
  UC1357607  Cordylanthus pringlei R. F. Hoover 1966-8-23 9922 Napa 0.5 mi s Lake Co. line (e side of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC238222  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1941-8-24 5571 Napa East side of Mt. St. Helena Comment
  UC146880  Cordylanthus tenuis subsp. brunneus Katharine Brandegee 1910-1 Napa near Angwin Comment
  UC412933  Cornus glabrata H. P. Chandler 1907-5-30 7598 Napa St. Helena, White Sulphur Spring Comment
  UCD117119  Cornus glabrata Glen Holstein 1978-5-6 s.n. Napa Along Eticuera Creek, near Berryessa-Knoxville Road ca. 6 miles north of north shore of Lake Berryessa. 243 Comment
  UC142942  Cornus greenei Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
Read comments
Feb 20 2009
  UC126696  Cornus nuttallii Harley P. Chandler Sep 7 1906-Sep 14 1906 7155 Napa Howell Mt., Alta Loma Ranch 487 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
  UCD130901  Cotula coronopifolia David Lawfer 1952-4-20 150 Napa Napa. Comment
  UC166028  Crassula aquatica Joseph P. Tracy May 15 1903-May 18 1903 1854 1/2 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  UCD149722  Crassula connata Stephen P. Rae; Ayzik Solomeshch 2007-3-14 Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  JEPS110660  Crataegus monogyna Jake Ruygt 1995-4-24 3447 Napa Mt. Veeder Road south of Lakoya Road, (Franciscan Estate) 262 Comment
  JEPS31093  Crocanthemum scoparium var. vulgare W. L. Jepson 1938-5-20 18804 Napa slope above St. Helena Sanitarium (open slope above vineyard); Howell Mountain Comment
  JEPS120402  Crocanthemum scoparium var. vulgare Jake Ruygt 1981-5-17 1027 Napa Mount Vaca Comment
  HSC97186  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 mi. east of Rutherford, Conn Reservoir 91 Comment
  UC1259364  Crypsis schoenoides Barry Hammel 1976-5-30 454 Napa Lake Berryessa Comment
  CAS-BOT-BC33118  Cryptantha clevelandii var. florosa Charles Fuller Baker 1903-5-8 2966 Napa Knoxville Comment
  JEPS100375  Cryptantha hispidula Dean W. Taylor 2001-5-15 17651 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS106698  Cryptantha hispidula Jake Ruygt 1996-4-27 3636 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 384 Comment
  UC1278112  Cryptantha hispidula Beecher Crampton 1954-5-20 1929 Napa ca 8 mi sw Monticello (along State Hwy 128) Comment
  UC55902  Cryptantha hispidula J. P. Tracy 1902-5-21 1575 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UCD160721  Cryptantha hispidula Ellen Dean 2015-5-23 8773 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  UCD170433  Cryptantha hispidula Daniel Potter; Peter Lash 2017-3-28 905 Napa Knoxville Wildlife Area, on road on ridge above and east of upper Zim Zim Creek drainage, west of Berryessa-Knoxville Road. 537 Comment
  UCD63863  Cryptantha hispidula Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. Knoxville Public Lands close to Hunting Creek. 650 Comment
  UCD119813  Cryptantha hispidula Robert E. Preston 1988-4-10 574 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, on a southeast-facing serpentine slope. 268 Comment
  UCD38825  Cryptantha hispidula Beecher Crampton 1958-4-29 4754 Napa Above Capell Creek. Comment
  JEPS67645  Cryptantha intermedia W. L. Jepson 1896-6-2 21095 Napa St. Helena, hill by stone bridge over Napa River St. Helena, Napa River Comment
  CAS-BOT-BC80720  Cupressus macnabiana H. E. McMinn 1925-1-24 1395 B Napa Pope Valley Canyon between Monticello & Pope Valley P.O. Comment
  CAS-BOT-BC80721  Cupressus macnabiana David D. Keck 1931-4-3 1101 Napa Two miles NE of Aetna Springs, northern Napa county Comment
  JEPS104754  Cupressus macnabiana John L. Morrison 1969-8-16 4027 Napa near Knoxville Comment
  SEINET3930653  Cupressus macnabiana David Keil 1986-11-8 19788 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  CDA11902  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-8 11718 Napa North Coast Biodiversity Arena; Tree, 10 m in height, along small creek tributary to Swartz Creek. Colony on serpentine, approx. 1/2 mile above Aetna Springs resort. Comment
  RSA15666  Cupressus sargentii C. B. Wolf 1928-2-25 1507 Napa 3 miles N of summit of the Mt. St. Helena Grade, near the Napa Lake County line. Comment
  UCD133631  Cupressus sargentii D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UCD38720  Cupressus sargentii Beecher Crampton 1957-6-4 4101 Napa North end of Capell Valley. Comment
  RSA995  Cupressus sargentii J. T. Howell 1927-8-24 690 Napa Butts Valley, Napa Range Comment
  UCD170284  Cuscuta Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 824 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  JEPS47132  Cuscuta subinclusa W. L. Jepson 1930-10-19 15702 Napa Butts Canyon, ne Napa County Butts Canyon Comment
  UCD117918  Cynoglossum grande Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd., in between entrance and fire station. 520 Comment
  UCD19952  Cynoglossum grande E. A. Dean; Virginia Boucher 2002-2-28 890 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  RSA0045600  Cynoglossum grande Keith E. Hoffmaster 1946-3-9 1039 Napa Napa range, near summit along Napa-Monticello road. Comment
  UCD60134  Cynosurus cristatus John Thomas Howell 1943-6-20 18239 Napa Southwest of St. Helena. Comment
  CHSC33995  Cynosurus echinatus J. D. Prouty 1980-4-12 861 Napa Roadbank of Hwy 29 ca. 4.5 mi sw of summit at R.L. Stevenson State Park. 243 Comment
Read comments
Mar 30 2009
  UCD37686  Cynosurus echinatus Beecher Crampton 1961-6-12 5903 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD20706  Cyperus eragrostis Mark Bibbo 2002-7-28 76 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  UCD73511  Cyperus eragrostis Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC114679  Cyperus eragrostis Kate E. Phelps 1930-7-1 s.n. Napa Sanitarium Comment
  UCSB61644  Cypselea humifusa Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; E of boat-launching ramp on SE edge 91 Comment
  UCD60992  Danthonia californica Beecher Crampton 1956-5-25 3488 Napa Along the headwaters of Sarco Creek, Howell Mtns. Comment
  UCD95974  Danthonia californica var. californica Ellen Dean; with Clare Loughran 2011-5-20 7068 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UCD48429  Daucus pusillus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Road ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 228 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
  UCD74353  Delphinium hesperium G. Ledyard Stebbins 1967-5-30 6524 Napa Cedar Valley, south of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) Comment
  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
  UC854135  Delphinium hesperium subsp. pallescens Lewis S. Rose 1932-6-7 32308 Napa N. Branch Dry Creek Comment
  CAS-BOT-BC9808  Delphinium nudicaule L. R. Abrams 1928-5-3 12242 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC9816  Delphinium nudicaule Carl B. Wolf 1928-5-3 1796 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  UC130936  Delphinium nudicaule Katharine Brandegee 1909-6-1 Napa from Calistoga; Pope Valley Grade Comment
  UC906516  Delphinium nudicaule J. Ewan 1934-3-18 8662 Napa 5 mi above Napa (side gulch); Sarco Creek Comment
  RSA262472  Delphinium nuttallianum Mark Knuth 1974-5-26 20 Napa .5 mile below Lake Spaulding Dam. 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
  UC917291  Delphinium patens M. R. Wanzer 1948-4-3 7 Napa 13 mi w Winters (w side of small hill); Putah Canyon Comment
  UCD96535  Delphinium patens W. M. Grannell 1950-3-10 4 Napa Putah Canyon. Comment
  CAS-BOT-BC116486  Delphinium patens subsp. patens H. L. Mason 1928-4-13 4330 Napa ...between Santa Rosa and Calistoga Comment
  JEPS60576  Delphinium patens subsp. patens W. L. Jepson 1893-1 Napa Napa Mountains Comment
  CAS-BOT-BC17149  Delphinium uliginosum G. L. Stebbins 1967-5-31 6522 Napa Cedar Valley, south of Knoxville 609 Comment
  JEPS96762  Delphinium uliginosum Dean W. Taylor 1998-6-18 16672 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UCD141587  Delphinium uliginosum Ellen Dean 2013-4-27 7708 Napa Las Posadas State Experimental Forest. Recreation Flat. 396 Comment
  UCD14290  Delphinium uliginosum S. Boshoven 1983-5-29 26 Napa Napa Co.; Berryessa-Knoxville Road, 6 miles northwest of Knoxville; 365 Comment
  UCD160632  Delphinium uliginosum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8724 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 200 Comment
  CAS-BOT-BC7907  Delphinium variegatum Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Road, near Napa Comment
  UCD67949  Delphinium variegatum Caryn Franscioni 1977-4-24 3 Napa 2.6 mi. SE of Knoxville mine, Eticuera Creek, just off Knoxville Mine Rd. 304 Comment
  UCD96742  Delphinium variegatum R. L. Smith 1948-5-8 s.n. Napa Near Edmunds Springs, east branch of Monticello Valley. 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
  UC638502  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1334 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  UCD35337  Dendromecon rigida Beecher Crampton 1955-5-10 2770 Napa 6 miles south of Middletown. Comment
  CAS-BOT-BC659  Dendromecon rigida subsp. rigida Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena. Comment
  CAS-BOT-BC661  Dendromecon rigida subsp. rigida Alice Eastwood 1918-5-1 6860 Napa Mt. St. Helena Comment
  CDA11314  Deschampsia cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Arena; Butts Canon, ~6 m. N Aetna Springs. Comment
  POM126101  Deschampsia cespitosa Joseph P. Tracy 1902-5-18 1543 Napa Head of Moore's Creek 518 Comment
  SEINET200650 Image available Deschampsia cespitosa J. P. Tracy 1902-5-18 1543 Napa Howell Mountain head of Moore's Creek 3-4 miles east of Angwin's 518 Comment
  JEPS122974  Deschampsia cespitosa subsp. cespitosa Jake Ruygt 2002-5-18 4423 Napa Missimer/Snell Valley Wildflower Preserve. Quad: Aetna Springs. Comment
  CAS-BOT-BC198142  Deschampsia danthonioides Peter H. Raven 1951-6-10 2928 Napa Crater Region S of Palisades 762 Comment
  SEINET200647 Image available Deschampsia danthonioides J. P. Tracy 1902-5-21 1605 Napa Head of Moore's Creek 3-4 Miles East of Angwin's. 335 Comment
  CAS-BOT-BC43417  Descurainia sophia Peter H. Raven 1953-5-2 5361 Napa Along railroad tracks, Yountville. 76 Comment
  UC3238  Dichelostemma capitatum Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin Comment
  UC527961  Dichelostemma capitatum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6658 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD48273  Dichelostemma capitatum K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 6 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. 20 ft south of path. 545 Comment
  CAS-BOT-BC499420  Dichelostemma capitatum Belle Richardson Jackson 1938-5-29 s.n. Napa Road to Mt. Atlas Comment
  JEPS64160  Dichelostemma capitatum W. L. Jepson 1893-3-13 20967 Napa e of St. Helena Comment
  UCD48780  Dichelostemma capitatum subsp. capitatum S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 9 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
  POM169428  Dichelostemma capitatum subsp. capitatum C. F. Baker 1903-4-20 2612 Napa Mt. St. Helena. Comment
  RSA734223  Dichelostemma capitatum subsp. capitatum Keith E. Hoffmaster 1946-3-9 1205 Napa Napa range, near summit of Napa-Monticello road. Comment
  UCD170368  Dichelostemma congestum Daniel Potter; N Khuu, K Battenberg 2016-4-30 866 Napa Knoxville Wildlife Area, on ridge west of Zim Zim Falls Creek trailhead. Comment
  SEINET3885705  Dichelostemma pulchellum Linda Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road.; 0 183 Comment
  JEPS110906  Dichelostemma volubile Jake Ruygt 1978-5-7 298 Napa 1.4 miles east f Spanish Flat turnoff on HWY 128 146 Comment
  UCD18162  Dichelostemma volubile 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
  CAS-BOT-BC150360  Diplacus aurantiacus Richard R. Halse 1989-5-13 3833 Napa Along State Hwy. 29, on the Calistoga Grade, 2.7 miles north of Calistoga 240 Comment
  SEINET200262  Diplacus bolanderi Francia Chisaki 1957-1 970 Napa By Soda Cr, between Chiles Valley & Monticello Comment
  CAS-BOT-BC151959  Diplacus douglasii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC153280  Diplacus kelloggii M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC153330  Diplacus layneae Peter H. Raven 1951-6-10 2915 Napa Crater Region, e. of Mt. St. Helena 762 Comment
  CAS-BOT-BC151335  Diplacus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon 304 Comment
  JEPS129061  Dipsacus fullonum Jake Ruygt 1986-6-28 1841 Napa Tubbs Lane at Myrtledale Road, Calistoga. Calistoga 7.5' Quad. Comment
  CDA6691  Dipsacus fullonum Margaret Bellue 1933-5-8 Napa 0 Comment
  JEPS8810  Dipsacus sativus W. L. Jepson 1936-5-30 17561 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  UC3565  Disporum hookeri Willis L. Jepson 1894-5-1 Napa Napa River Basin, Rebecca Ranch Grade Napa River Basin; , Rebecca Ranch Grade Comment
  UCD64468  Distichlis spicata A. A. Beetle 1946-5-7 4260 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  JEPS112626  Dodecatheon hendersonii Jake Ruygt 1977-4-3 168 Napa hills east of Lake Berryessa at north end (Green Canyon) 243 Comment
  HSC17857  Dodecatheon hendersonii Greg Bos 1963-3-30 53 Napa 2.5 mi. up the Old Toll Rd. out of Calistoga. E slope 305 Comment
  UCD15061  Dodecatheon hendersonii Joe Smilanick 1977-4-16 8 Napa Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  UCD15066  Dodecatheon hendersonii Mark Harder 1977-4-16 8 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; Comment
  UCD15068  Dodecatheon hendersonii Alan B. Chan 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 152 Comment
  JEPS103656  Downingia bicornuta var. bicornuta Lisa Schultheis 1995-5-31 193 -95 Napa Corner of Pope Valley Cross Road and Chiles-Pope Valley Road Comment
  UCD167135  Downingia cuspidata Jake Ruygt 2015-5-23 6108 d Napa West of Buck Mountain. 599 Comment
  JEPS14488  Downingia cuspidata W. L. Jepson 1938-5-25 18872 Napa 3 mi s Yount School (e side of Napa Valley); Napa Valley Comment
  CAS-BOT-BC41387  Draba verna Peter H. Raven 1953-3-29 5208 Napa 2 miles south of Calistoga. 121 Comment
  UCR23631  Draba verna var. aestivalis John C. Roos 1939-2-21 299 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  CAS-BOT-BC157775  Drymocallis glandulosa var. glandulosa E. Ruckert 1960-5-8 146 Napa 6495 Dry Creek Road; field west of gate spring 365 Comment
  CAS-BOT-BC157776  Drymocallis glandulosa var. glandulosa M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  SEINET267031 Image available Dryopteris filix-mas Royal D. Suttkus 1967-6-26 673031 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD101898  Dudleya cymosa M. Wiesendanger 1927-5-4 678 Napa Near Monticello. Comment
  CAS-BOT-BC428157  Dudleya cymosa subsp. cymosa Betty H. Johnson 1958-6-15 618 Napa Near St. Helena River, 6.4 mi. S-W. of Middletown Comment
  CAS-BOT-BC428152  Dudleya cymosa subsp. cymosa J. Clausen 1935-5-22 1066 Napa 19.5 mi. S.E. of Lower Lake, on the Monticello road Comment
  CHSC102279  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS122983  Echinochloa crus-galli Jake Ruygt 1986-8-23 1904 b Napa Conn Creek west of the spillway. Quad: Rutherford. Comment
  UC1131536  Echinochloa crus-pavonis B. Schreiber 1936-8-16 2325 Napa 0.8 mi s Yountville; Sonoma Quad. Comment
Read comments
Nov 19 2007
  UC1010751  Echinodorus berteroi Peter H. Raven 1951-10-29 2934 Napa strand of Conn Lake Conn Lake 152 Comment
  JEPS120330  Ehrendorferia chrysantha Jake Ruygt 1987-6-27 2055 Napa Homestake Mine, Knoxville. Knoxville 7.5' Quad. Comment
  JEPS129118  Eleocharis coloradoensis Jake Ruygt 2001-7-8 4328 Napa Lake Hennessey at the boat ramp. Yountville 7.5' Quad. Comment
  CAS-BOT-BC112775  Eleocharis macrostachya Lewis Samuel Rose 1935-6-4 35199 Napa Irrigation ditch, Oakville 45 Comment
  UCD48497  Eleocharis macrostachya A. Collier; D. Caterson and S. Kenady 2002-5-4 2 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads, near stock pond. 320 Comment
  JEPS121344  Eleocharis radicans Jake Ruygt 1992-7-4 3066 Napa Wild Horse Valley Ranch, Johnson's Meadow. Comment
  CAS-BOT-BC451525  Elodea canadensis Peter H. Raven 1952-5-31 4110 Napa Conn Cr. e. of Yountville 45 Comment
  UC769959  Elymus X hansenii Robert F. Hoover 1941-6-8 5321 Napa Mt. St. Helena; e side Comment
  UCD149692  Elymus glaucus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  JEPS122979  Elymus glaucus subsp. glaucus Jake Ruygt 1988-6-4 2212 Napa South slope Mt. St. Helena above Red Hill. Quad: Detert Reservoir. Comment
  SACT001119  Elymus glaucus subsp. glaucus John Willoughby 1975-5-23 Napa West of Monticello Dam, in foothill woodland. Comment
  SEINET192619  Elymus glaucus subsp. glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi N of Calistoga Mt St Helen grade Comment
  SACT001123  Elymus glaucus subsp. jepsonii John Willoughby 1976-5-18 Napa 609.6 Comment
  JEPS122976  Elymus multisetus Jake Ruygt 1986-5-17 1768 Napa 0.4 mile east of Flosden Road on American Canyon Road. Quad: Cordelia. Comment
  UCD20751  Epilobium brachycarpum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 100 Napa McLaughlin UC Reserve. Knoxville-Berryesa Rd. 2.4 road miles S of jct. with Devilhead Rd. W side of the road by old dirt road to an abandoned home site. 350 Comment
  JEPS44032  Epilobium canum subsp. canum Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon Napa River Basin, St. Helena Comment
  UC1299425  Epilobium canum subsp. canum Freed W. Hoffman 1946-8-20 850 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  UCD67889  Epilobium canum subsp. latifolium D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. Near Spanish Flat. 220 Comment
  UCD149606  Epilobium ciliatum 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
  UCD20762  Epilobium ciliatum M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 112 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  UC35410  Epilobium foliosum Willis L. Jepson 1894-5-3 Napa St. Helena Napa River Basin Comment
  UCD106508  Epilobium minutum Wayne Stoner 1978-4-22 6 Napa West end of Capell Valley. 300 Comment
  UCD170662  Epilobium minutum 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD106906  Epilobium torreyi K. Esau; D. Hartmann 1941-7-17 s.n. Napa Near Middletown. Comment
  UCD138932  Epipactis gigantea Stephen Clement 1973-5-18 65 Napa at the junction of Snell Valley Road and Butts Canyon Road. 274 Comment
  UCD138935  Epipactis gigantea Ted C. MacRae 1994-4-30 940430 -0 Napa 1 mile north of Snell Valley Road, on Butts Canyon Road. Comment
  CAS-BOT-BC56978  Equisetum arvense Peter H. Raven 1952-5-31 4111 Napa Conn Cr. e. of Yountville 45 Comment
  UCD164817  Eragrostis hypnoides Jake Ruygt 2012-9-15 5880 Napa Putah Creek south of Berryessa Estates 131 Comment
  UCD116241  Eremalche parryi Eric S. Nagy 1990-4-29 005 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  JEPS106941  Ericameria linearifolia Jake Ruygt 1998-4-27 3938 Napa NE corner of the county, on Blue Ridge. 722 Comment
  UCD63174  Erigeron foliosus var. franciscensis Jake Ruygt 1996-6-23 3755 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 438 Comment
  JEPS68365  Erigeron petrophilus var. petrophilus L. R. Heckard 1972-6-26 2999 Napa se of lookout on peak Mt. St. Helena (below radar station) 1188 Comment
  HSC43918  Eriodictyon californicum Robert M. Specht 1977-4-13 657 Napa South-facing slope 488 Comment
  SEINET3091529 Image available Eriodictyon californicum Royal D. Suttkus 1967-6-26 67- 30 -17 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD119251  Eriodictyon californicum M. Ensign 1943-5-28 330 Napa 26.5 miles from Monticello on road to Lower Lake. Comment
  UCD159950  Eriodictyon californicum 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
  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
  UCD170809  Eriodictyon californicum 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  SEINET253260  Eriogonum dasyanthemum Susan G. Stokes 1933-8-27 91 Napa Upper part of Sage Valley, Near Chiles School, Napa Mountains. Comment
  UCD164781  Eriogonum dasyanthemum Jake Ruygt 2008-7-19 5363 Napa Northwest corner of Pope Canyon Road and Berryessa-Knoxville Rd. 152 Comment
  SEINET253386  Eriogonum gracile Susan G. Stokes 1933-8-27 82 Napa Sage Canyon, Napa Mputains. Comment
  POM204403  Eriogonum luteolum J. T. Howell 1933-8-17 11622 Napa Sage Canyon, Napa Range Comment
  POM209841  Eriogonum luteolum S. G. Stokes 1933-8-27 81 Napa Sage Canyon, Napa Mountains. Comment
  UCD149671  Eriogonum luteolum 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
  JEPS110790  Eriogonum luteolum var. luteolum Jake Ruygt 1984-6-23 1572 Napa Hwy 29 near Lake Co. line: Detert Reservoir quad 502 Comment
  JEPS121540  Eriogonum luteolum var. luteolum Adam C. Schneider with Dick O'Donnell 2013-5-26 196 Napa Along Chiles Valley Road. Comment
  SEINET3405144 Image available Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  UCD48085  Eriogonum luteolum var. luteolum Robert Wolfson; J. Westbrook, S. Ratay, A. Houser, M. Disney, S. Wathen 2000-4-22 35 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
  UCD73440  Eriogonum nudum Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS56601  Eriogonum nudum var. auriculatum Willis L. Jepson 1903-9-6 2348 Napa St. Helena Comment
  CAS-BOT-BC124287  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  UCR43200  Eriogonum nudum var. nudum L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-BC269713  Eriogonum nudum var. oblongifolium Peter H. Raven 1951-8-21 3869 Napa Ridge s.e. of Mt. Veeder 670 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
  JEPS120353  Eriogonum tripodum Jake Ruygt 1987-6-26 2056 Napa North of Devilshead Road near Hunting Creek. Knoxville 7.5' Quad. Comment
  SEINET11934232  Eriogonum tripodum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -301 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  JEPS120314  Eriogonum umbellatum var. smallianum Jake Ruygt 1998-7-11 4083 Napa Blue Ridge, about 1.5 miles north of Mays Flat. Knoxville 7.5' Quad. Comment
  SBBG64230  Eriogonum vimineum S. G. Stokes 1933-8-27 81 Napa Sage Cyn, Napa Mtns Comment
  CAS-BOT-BC301053  Eriophyllum lanatum var. achilleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6679 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  CAS-BOT-BC301055  Eriophyllum lanatum var. achilleoides H. M. Hall 1931-5-27 13097 Napa Near Knoxville Comment
  CAS-BOT-BC301056  Eriophyllum lanatum var. achilleoides Peter H. Raven 1950-6-20 2373 Napa In the Napa Range between Conn Valley & Howell Mts. Comment
  POM315944  Eriophyllum lanatum var. achilleoides Patricia Wilder 1965-6-9 3602 Napa Franz Valley School Road, ca. 1.1 mile N of road to Petrified Forest 183 Comment
  UC1301026  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1963-3-17 5206 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC90252  Eriophyllum lanatum var. achilleoides T. S. Brandegee 1883-8-1 Napa Calistoga Comment
  UCD161361  Eriophyllum lanatum var. achilleoides Jake Ruygt 1988-5-29 2198 Napa Adams Ridge. (Coordinates estimated by label maker at UC Davis). 670 Comment
  JEPS34597  Eriophyllum lanatum var. achilleoides Willis L. Jepson 1893-6-28 14562 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  POM358025  Eriophyllum lanatum var. achilleoides L. S. Rose 1934-5-23 34275 Napa N slope of Mt. St. Helena Comment
  POM358026  Eriophyllum lanatum var. achilleoides B. C. Templeton 1957-6-27 s.n. Napa Near Hill and Connors Ranches, Calistoga Comment
  UCD83857  Erodium brachycarpum Ellen Dean; Stephen Rae 2010-3-15 5815 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property. Near entrance to property. 145 Comment
  JEPS106706  Erodium cicutarium Jake Ruygt 1992-4-2 2872 b Napa Wild Horse Valley Ranch, Johnson's meadow 451 Comment
  JEPS129141  Erodium moschatum Jake Ruygt 1980-3-2 805 Napa Corner of Marin Street and H Street, Napa. Napa 7.5' Quad. Comment
  JEPS104555  Eryngium aristulatum Jake Ruygt 1982-6-21 1333 Napa Suscol Hill (south of Rocktram) 4 Comment
  OBI74549  Eryngium aristulatum David J. Keil 1986-11-8 19795 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 3.0 mi south of turnoff to Homestake McLauglin Mine/Mill. 350 Comment
  RSA542106  Eryngium aristulatum var. aristulatum Robert F. Hoover 1937-8-31 2700 Napa Yountville Comment
  UC619330  Eryngium armatum Wilhelm N. Suksdorf 1913-7-24 645 Napa near Napa, SW Comment
  UC1784218  Eryngium pinnatisectum Ethel Crum 1930-7-13 812 Napa near Calistoga Comment
  CAS-BOT-BC54303  Erysimum capitatum H. L. Mason 1926-3-14 2725 Napa Mount Saint Helena. Comment
  JEPS97927  Erysimum capitatum Jake Ruygt 1998-5-4 3960 Napa N of Flosden Road American Canyon 158 Comment
  UCD161238  Erysimum capitatum Jake Ruygt 2009-5-22 5415 Napa Napa County : American Canyon, across road from quarry. (Coordinates estimated by label maker at UC Davis). 172 Comment
  UCD21548  Erysimum capitatum A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, just N of pool at confluence of Sensitive Plant Canyon and Hunting Creek, along trail to pool from campground. 335 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-BC40900  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
  UC10529  Erysimum capitatum Willis L. Jepson 1893-5-4 Napa trail to summit Napa River Basin, Mt. St. Helena Comment
  UCD115014  Erysimum capitatum var. capitatum M. Wiesendanger 1926-4-1 1494 Napa Napa County. Comment
  UCD74392  Erysimum capitatum var. capitatum Jake Ruygt 1995-5-8 3473 Napa 1.5 miles south of boatramp on Sage Canyon Rd. Taylor's. 402 Comment
  SEINET14046079 Image available Erythranthe microphylla C. G. Baughn 1949-1 21 Napa beside Highway 12, 3 1/4 miles northwest of Cordelia. Comment
  SEINET8340803  Erythranthe microphylla Peta C. Lewis 1967-5-25 21 Napa at the base of Monticello Dam on State Highway 128. Comment
  CAS-BOT-BC124172  Erythronium helenae Elmer Ivan Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa County; slope just E of the Palasades on old stage road Comment
  SEINET882372 Image available Erythronium helenae Elmer I. Applegate 1932-1 7037 Napa Volcanic crater region of Mount St. Helena. Comment
  UC13786  Erythronium helenae Miss Armstrong Mar. 1900 Napa Oa<t?> Hill Comment
Read comments
May 1 2014
  RSA0000341  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. Helena, northern Napa County. Comment
  CAS-BOT-BC402791  Eschscholzia caespitosa Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  UCD167247  Eschscholzia caespitosa Jake Ruygt 1981-4-1 964 Napa Chimney Rock. 213 Comment
  UCD95260  Eschscholzia caespitosa R. L. Smith 1948-5-1 s.n. Napa 8 miles east of Samuel Springs, east branch of Monticello Valley. Comment
  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
  CAS-BOT-BC403335  Eschscholzia californica L. R. Abrams 1928-5-4 12285 Napa 4 mi. south of Middletown Comment
  CAS-BOT-BC403336  Eschscholzia californica Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UC726443  Eschscholzia californica A. A. Heller 1941-5-16 16125 Napa Knoxville; border of a mine dump Comment
  UC1285727  Eucalyptus viminalis W. L. Jepson 1936-6-29 17628 Napa near Rutherford (in front of house of Mrs. O. G. Freyermuth); Napa Valley Comment
  JEPS106421  Euphorbia crenulata Jake Ruygt 1996-4-10 3578 Napa Soda Spring, White Cliff Springs 399 Comment
  RSA10671  Euphorbia crenulata C. B. Wolf 1928-5-3 1818 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC312174  Eurybia radulina Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville Comment
  UC126550  Eurybia radulina Harley P. Chandler Sep 7 1906-Sep 14 1906 7126 Napa Howell Mountain, Alta Loma Ranch 487 Comment
  UC1093971  Euthamia occidentalis H. L. Mason 1923-10-6 771 Napa Suisan Marsh Comment
  UC766903  Festuca californica R. F. Hoover 1941-4-26 4926 Napa canyon n Pope Valley (on road to Butts Canyon) Comment
  CAS-BOT-BC278343  Festuca californica subsp. californica Peter H. Raven 1957-5-5 10758 Napa Hills at western edge of Calistoga 152 Comment
  UCD65856  Festuca californica subsp. californica Beecher Crampton 1962-5-16 6420 Napa 3.5 miles north of Conn Reservoir, western slope of Chiles Valley. Comment
  CAS-BOT-BC282493  Festuca elmeri Peter H. Raven 1952-5-31 4157 Napa Rector Dam 152 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
  JEPS122955  Festuca perennis Jake Ruygt 1982-6-6 1310 Napa South of Suscol hill and west of Highway 29. Quad: Cuttings Wharf. Comment
  JEPS122736  Festuca trachyphylla Jake Ruygt 2011-6-9 5800 b Napa South side of Mt George Palmaz Vineyards. Quad: Mt. George. Comment
  RSA132842  Filago californica John H. Thomas 1958-4-19 7110 Napa About 2 miles SW of Oakville. 152 Comment
  POM57347  Filago californica C. F. Baker 1903-4-20 2626 Napa Mt. St. Helena. Comment
  RSA132845  Filago gallica John H. Thomas 1958-4-19 7108 Napa About 2 miles SW of Oakville. 152 Comment
  JEPS17497  Foeniculum vulgare Willis L. Jepson 1894-10-15 14234 Napa Napa R. Rd. near St. Helena; Napa River Basin Comment
  CAS-BOT-BC63009  Frangula californica subsp. crassifolia Carl B. Wolf 1928-2-25 1506 Napa 3 mi. no. of summit of the Mt. St. Helena Grade, near Lake - Napa cos. line. Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  UCSB24693  Frangula californica subsp. tomentella McMinn, Howard 1922-07 Napa Pope Canyon Comment
  HSC46117  Fraxinus dipetala J. P. Smith, J. O. Sawyer 1970-5-17 3787 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  CAS-BOT-BC223531  Fraxinus latifolia John Thomas Howell 1926-3-21 1713 Napa St. Helena Creek near Pattens 609 Comment
  JEPS44089  Fraxinus latifolia Willis L. Jepson 1903-9-9 2337 Napa St. Helena Napa River Basin Comment
  CAS-BOT-BC26115  Fremontia napensis Mrs. Myron Hobson 1926-5-10 s.n. Napa North side of Mt. St. Helena Comment
  CAS-BOT-BC205894  Fremontodendron californicum John Thomas Howell 1939-5-7 14653 Napa Near head of Hunting Creek northwest of Knoxville Comment
  JEPS42891  Fremontodendron californicum W. L. Jepson 1943-5-15 20778 Napa Knoxville Ridge Comment
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  CAS-BOT-BC130072  Fritillaria affinis E. Crum 1936-3-15 1740 Napa [Butte's] Butts Canyon, Pope Valley-Middletown Road Comment
  CAS-BOT-BC130077  Fritillaria affinis Mrs. Elizabeth Wright 1922-3-30 s.n. Napa Calistoga Comment
  POM224396  Fritillaria affinis Ethel Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  UC504870  Fritillaria affinis R. M. Holman 1933-4-12 Napa near Mount Veeder Comment
  UCD20922  Fritillaria affinis V. (Shorty) Boucher 2002-4-11 13 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At a bend along West Road, ca. 1000 airline feet E of the locality for Dean 898 - Saxifraga californica. Coordinates are for that locality. 243 Comment
  RSA123591  Fritillaria pluriflora Milo S. Baker 1940-3-10 9499 Napa About 5 miles north of Knoxville, right beside road to Lower Lake Comment
  UC1096798  Fritillaria pluriflora Milo S. Baker 1940-3-10 9499 Napa about 5 mi n of Knoxville (right beside road to Lower Lake) Comment
  CHSC24695  Fritillaria purdyi G. Strang 1976-4-19 13 Napa Top of mesas ca. 2.5 mi. e of Calistoga off of Silverado Trail. 533 Comment
  UC699685  Fritillaria purdyi Basil Bowers 1941-6-18 378 Napa e of Calistoga (n of point where Old Mine Road crosses summit, Palisades); Palisades 762 Comment
  UCD170295  Fritillaria purdyi Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 835 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  RSA195366  Fritillaria recurva Gilbert Muth 1967-4-9 599 Napa Aetna Springs Road Comment
  POM169613  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir. St. Helena Comment
  SEINET8480174  Fritillaria recurva H. P. Chandler 1907-3-6 1503 Napa Reservoir, St. Helena. Comment
  SEINET8480175  Fritillaria recurva H. P. Chandler 1907-3-6 7503 Napa Reservoir, St. Helena. Comment
  UC1146701  Galium andrewsii subsp. intermedium Freed W. Hoffman 1946-8-21 845 Napa headwaters of creek North Coast Ranges, Hunting Creek (Napa-Lake county line) Comment
  UCD49245  Galium aparine E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., near jct with South Decker Canyon Rd. 182 Comment
  UCD149696  Galium californicum Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UC602549  Galium divaricatum Joseph P. Tracy 1933-6-2 12469 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  SEINET5738653 Image available Galium nuttallii J. A. Marinovich 1964-1 17 Napa State Highway 128 between Monticello Dam and its junction with State Highway 37.; Monticello Dam Comment
  UCD13187  Galium nuttallii J. R. Clark 1976-4-11 7 Napa Napa City, 4 mi N of junction of rds 121 and 128, along 128, upslope from road. Comment
  RSA42016  Galium nuttallii var. tenue H. C. Cantelow 1936-3-22 s.n. Napa Howell Mt. Comment
  POM196070  Galium nuttallii var. tenue L. F. Robbins 1926-3-26 s.n. Napa Putah Canyon. Comment
  UCD121148  Galium parisiense Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7346 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
  UCD148824  Galium porrigens Ellen Dean; Diana Hickson 2014-4-29 8129 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 606 Comment
  UCD149695  Galium porrigens Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  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
  CAS-BOT-BC199054  Garrya congdonii Baker 1938-5-1 9015 Napa Pope Creek ca. 7 miles from Monticello Comment
  UCD162740  Garrya congdonii Dylan O. Burge; J. Rugyt 2014-5-23 1626 Napa Butts Canyon Road, roadside. 222 Comment
  HSC8385  Garrya elliptica J. T. Howell 1939-5-7 14652 Napa Lower Lake-Knoxville rd. at Lake Co. line Comment
  JEPS126068  Garrya elliptica Jake Ruygt 2005-3-26 4713 Napa Skyline Park, Manzanita Trail. Mount George 7.5' Quad. Comment
  UC402907  Garrya flavescens Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  SEINET9298758  Garrya flavescens Unknown 1997-2-3 13617 Napa Serpentine margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Shrub, 6 ft. Comment
  CAS-BOT-BC144380  Garrya fremontii H. E. McMinn 1925-1-23 1363 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC144424  Garrya fremontii Mrs. H. P. Bracelin 1930-3-23 s.n. Napa Flanks of Mt. St. Helena. 1 1/2 mi. S.E. of Mt. St. Helena Inn Comment
  JEPS46448  Garrya fremontii W. L. Jepson 1906-2-23 Napa Howell Mt. Comment
  JEPS66734  Garrya fremontii Willis L. Jepson 1893-1 14159 Napa summit of Mt. St. Helena; Napa River Basin Comment
  JEPS66741  Garrya fremontii W. L. Jepson 1913-4-15 5316 Napa Howell Mt. 609 Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  UCD49064  Geranium dissectum Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 2 A Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, E side of South Decker Canyon Rd., N of jct with Cut-Off Rd., along open grassy slope. 152 Comment
  UCD49066  Geranium dissectum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 3 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  JEPS61424  Geranium dissectum H. P. Chandler 1907-4-28 7553 Napa Santa Rosa to Calistoga Comment
  UCD103351  Geranium dissectum Peter Kamb; Francia Chisaki 1950-4-22 1766 Napa Hill on west side of Capell Valley, 3.2 miles west of junction of the road with California Highway #37. 213 Comment
  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
  UCD150654  Geranium pusillum Stephen Brown 1974-4-6 27 Napa Four miles W junction of Hwys. 121 and 128, on Hwy 128. 304 Comment
  RSA523893  Gilia capitata Barbara Ertter, Annetta Carter 1989-5-28 8512 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  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
  UC52378  Gilia capitata subsp. capitata H. P. Chandler 1900-5-7 619 Napa Rutherford Comment
  UC1182810  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 134 Napa Comment
  NY336855  Gilia heterodoxa C. C. Parry 1881-1 180 Napa Comment
  HSC45343  Gilia tricolor R. York 1978-4-8 115 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS120323  Gilia tricolor subsp. diffusa Jake Ruygt 2005-4-17 4768 Napa Bear Valley, north of pond. Detert Reservoir 7.5' Quad. Comment
  UCD167224  Gilia tricolor subsp. diffusa Jake Ruygt 1986-4-12 1689 Napa Devil's Canyon. 536 Comment
  UC527929  Githopsis specularioides Ira L. Wiggins R. Bacigalupi, R. S. Ferris 1933-6-2 6663 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD170354  Githopsis specularioides Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 853 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 458 Comment
  RSA52709  Githopsis specularioides I. L. Wiggins 1949-4-30 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles NE of Calistoga. Comment
  UC1563928  Glinus lotoides Barbara Ertter with Elizabeth Neese 1988-10-2 7966 Napa 15 air mi nnw of Napa (Lake Hennessey on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CDA5998  Gnaphalium canescens R. Barrett 1957-10-17 415 -57 Napa County Corp. yard, Napa. 0 Comment
  CDA5426  Gnaphalium japonicum H. Stabo Oct 1961 Napa F. Nicholls property, end of Mayo Lane, St. Helena. 0 Comment
  CDA34653  Gnaphalium luteoalbum L. Ahart 2009-10-12 16421 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  UCD73518  Gnaphalium palustre Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS34025  Gnaphalium palustre W. L. Jepson 1894-11-5 14751 Napa St. Helena , Napa River (in the Napa River bed) Comment
  UC32015  Gnaphalium palustre Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs; Napa River Basin Comment
  JEPS110683  Gratiola ebracteata Jake Ruygt 1996-5-19 3714 Napa West of Barnett Road near Burton Creek, (Peju Pr)Pope Valley. 201 Comment
  UC147897  Gratiola ebracteata J. P. Tracy 1902-5-21 1611 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's); , head of Moore's Creek 518 Comment
  UCD160703  Grindelia camporum Ellen Dean; Jake Ruygt 2015-5-23 8762 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek. 579 Comment
  CAS-BOT-BC304893  Grindelia hirsutula L. R. Abrams 1916-7-2 5751 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC304895  Grindelia hirsutula Alice Eastwood 1915-6-5 4628 Napa Calistoga Comment
  CAS-BOT-BC304896  Grindelia hirsutula Peter H. Raven 1951-6-24 3018 Napa Brown's Valley 91 Comment
  JEPS106918  Grindelia hirsutula Jake Ruygt 1992-9-5 3146 Napa HWY 221 south of Kennedy Drive, south-bound lane 12 Comment
  JEPS7832  Grindelia hirsutula Peter H. Raven 1950-6-20 2355 Napa between Conn Valley and Howell Mt.; Napa Range Comment
  RSA128656  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa E of Napa on Monticello Rd. 61 Comment
  UC1536846  Grindelia hirsutula G. H. True 1937-6-21 732 Napa near Lokoya Lodge 365 Comment
  UC32141  Grindelia hirsutula Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UC160977  Guillenia lasiophylla Joseph P. Tracy 1902-5-16 1501 Napa 3 to 4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UCD148104  Gutierrezia sarothrae Jake Ruygt 2009-7-28 5466 Napa Blue Ridge, about 1/4 mile north of Mays Flat. 737 Comment
  UCD161617  Gutierrezia sarothrae Jake Ruygt 2003-11-4 4565 Napa Blue Ridge about 1 mile north of Mays Flat. (Coordinates converted from UTM data by label maker). 716 Comment
  JEPS122925  Hainardia cylindrica Jake Ruygt 1993-5-11 3259 Napa Milton Road north of the railroad tracks. Quad: Cuttings Wharf. Comment
  CAS-BOT-BC302234  Harmonia nutans Bruce G. Baldwin 1987-4-26 652 Napa Las Posadas State Forest (Howell Mountain), immediately north of dirt road leading east from Las Posadas Fire Station, less than 0.1 mile east of station Comment
  CAS-BOT-BC302238  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  UC1199158  Harmonia nutans Joseph P. Tracy 1933-4-30 12117 Napa near Angwins (Howell Mountain); Northern Coast Ranges, Howell Mountain 457 Comment
  UC1245371  Harmonia nutans Joseph P. Tracy 1950-5-23 18663 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  UC165191  Harmonia nutans J. P. Tracy 1902-5-21 1619 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  UC1746026  Harmonia nutans Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2769 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC89166  Harmonia nutans Brandegee April, 1889 Napa Toll House Mt. St. Helena Comment
  UC905678  Harmonia nutans David D. Keck 1931-4-2 1027 Napa 5.5 mi ne Napa; west side of Napa Range, Wooden Valley Grade 200 Comment
  CHSC103018  Helenium puberulum Lowell Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD159467  Helenium puberulum D. S. Park 2010-8-13 221 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 219 Comment
  UCD48644  Helianthella californica S. Murphy; K. Keck and K. Dyer 2002-5-5 12 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 500m. 327 Comment
  UCD132770  Helianthella californica Heidi E. M. Dobson 1977-6-2 263 Napa above Mt. Veeder road. Comment
  JEPS35477  Helianthus bolanderi W. L. Jepson 1922-10-22 9837 Napa near mouth of Conn Creek Comment
  UCD132905  Helianthus bolanderi G. F. Hrusa 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  UCD132906  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  CAS-BOT-BC305534  Helianthus bolanderi Alice Eastwood 1939-8-20 7618 Napa Capell Creek Comment
  UC221395  Helianthus bolanderi H. M. Hall 1923-10-12 11927 Napa 16 mi se Lowerlake (n Napa Co.) Comment
  CAS-BOT-BC305615  Helianthus californicus John Thomas Howell 1929-8-4 4358 Napa Flood bed of Pope Creek, one mile below Samuels Springs, Napa Range Comment
  CAS-BOT-BC305616  Helianthus californicus John Thomas Howell 1933-8-27 11624 Napa Sage Canyon, Napa Range Comment
  JEPS105354  Helianthus exilis Dean W. Taylor 1994-10-7 14712 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  UCD161782  Helianthus gracilentus Jake Ruygt 2000-6-10 4273 Napa Devilhead Road near Lone Pine Thicket. 640 Comment
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UCD160635  Hemizonella minima Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8727 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  CAS-BOT-BC306149  Hemizonia congesta subsp. clevelandii Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC306152  Hemizonia congesta subsp. clevelandii David D. Keck 1933-11-10 2716 Napa Calistoga, 2 mi. N. of the center of town, at the geysers Comment
  CAS-BOT-BC306268  Hemizonia congesta subsp. lutescens W. M. Heusi 1930-10-18 106 Napa About 5 miles w. of Cordelia, in waste field along highway to Napa Comment
  CAS-BOT-BC309840  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1951-6-26 3081 Napa Cappell Valley 365 Comment
  JEPS38290  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1930-10-19 15690 Napa Pope Valley Comment
  SBBG8414  Hemizonia congesta subsp. luzulifolia J. M. Tucker 1941-9-20 406 Napa jct of rd from Samuel Springs with Monticello-Pope Valley rd Comment
  UCD18104  Hemizonia congesta subsp. luzulifolia K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 40 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
  SEINET3860178  Hemizonia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N. of center of town at the geysers.; 0 Comment
  UC175983  Hesperevax acaulis var. robustior Joseph P. Tracy 1903-5-22 1886 Napa on Eel River (Alder Point); Northern Coast Ranges, Alder Point 152 Comment
  JEPS122710  Hesperevax sparsiflora var. sparsiflora Jake Ruygt 1979-4-30 567 Napa Southeast corner of Napa County, east of Highway 80. Quad: Cordelia. Comment
  JEPS33794  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1893-4-24 Napa hills e St. Helena (to Conn Valley) Comment
  UC164895  Hesperevax sparsiflora var. sparsiflora J. P. Tracy 1902-5-16 1511 Napa 3-4 mi e of Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  UCD169786  Hesperocyparis sargentii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-8-18 794 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 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
  UCD63751  Hesperocyparis sargentii Daniel Sanchez-Mata; Emin Ugurlu 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 580 Comment
  UC1736419  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley Comment
  CAS-BOT-BC167405  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs 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
  RSA565011  Hesperolinon bicarpellatum D. W. Taylor, Glenn L. Clifton 1990-5-25 10800 Napa Butts Canyon Road, near jct. with Snell road Comment
  UC1212353  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4604 a Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UC1212371  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4076 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UC1862410  Hesperolinon bicarpellatum Richard O'Donnell 2005-6-9 Napa 180 m NW of the junction of Cedar Creek and Hunting Creek Paradise Valley 270 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
  UCD167349  Hesperolinon bicarpellatum Jake Ruygt 2007-5-19 5187 Napa Las Posadas State Forest, north east of Recreation Flat. 402 Comment
  JEPS122784  Hesperolinon breweri Jake Ruygt 1989-4-20 2334 Napa About 3/4 mile south of Monticello Dam on Vaca Mtns. QUAD: Monticello Dam. 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
  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
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. Comment
  UC1212450  Hesperolinon californicum Helen K. Sharsmith 1952-6-1 4115 Napa n slope above Soda Creek (ca 2 mi se of Chiles Valley); Inner North Coast Ranges 243 Comment
  UCD167169  Hesperolinon californicum Jake Ruygt 2015-4-20 6076 Napa Fernandes/ Land Trust, Snell Peak area. 455 Comment
  UC1212327  Hesperolinon clevelandii Helen K. Sharsmith 1952-6-19 4144 Napa about 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC517479  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa hills e Napa Comment
  JEPS122798  Hesperolinon disjunctum Jake Ruygt 2005-7-10 4942 b Napa Oat Hill Mine Road North, near Corona Mine. QUAD: Detert Reservoir. Comment
  JEPS122828  Hesperolinon disjunctum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-19 279 Napa Knoxville Devilhead Road. Comment
  SD51675  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Ca. 1.0 mile east of spur road to Samuels Springs, south-facing slope above Pope Creek, Pope Valley-Montecello road. 121 Comment
  UC1212499  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Pope Valley-Monticello road about one mi e spur road to Samuels Springs (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  UCD149658  Hesperolinon disjunctum Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  UC1212481  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa directly e Knoxville; Inner North Coast Ranges 396 Comment
  UC1212263  Hesperolinon micranthum Helen K. Sharsmith 1952-5-17 4073 Napa road to Rutherford 3 mi e State Route 28; Inner North Coast Ranges, Canyon of Soda Creek 243 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
  UC1212411  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4593 Napa Cappell Valley, end of Highway 37 Inner North Coast Ranges 274 Comment
  JEPS122789  Hesperolinon sharsmithiae Jake Ruygt 2009-6-13 5437 Napa Skyline Park along Chaparral Trail. QUAD: Mount George. Comment
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May 15 2020
  JEPS122840  Hesperolinon sharsmithiae W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 224 Napa Along trail up to meadow above Shadhilyya Sufi Center. Comment
  JEPS122858  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-28 247 Napa Pope Canyon Road, just east of brdige over Pope Creek Comment
  JEPS123297  Hesperolinon sharsmithiae David Gowen with Dick O'Donnell 2009-6-30 1076 Napa Near Cedar Creek at the type area. Comment
  JEPS100372  Hesperolinon spergulinum Dean W. Taylor 2001-5-15 17649 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UCD169779  Hesperolinon spergulinum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 787 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 453 Comment
  OBI57147  Hesperolinon spergulinum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24505 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  UCD112242  Heterocodon rariflorum Christopher Mallek 2008-5-12 AS2- 14 Napa Aetna Springs. 668 Comment
  UCD54386  Heterocodon rariflorum Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  SEINET265722  Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves 7.2 miles NW of Pope Valley Comment
  UCD73450  Heteromeles arbutifolia Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UC336701  Heterotheca oregona var. rudis unknown Napa Calistoga Eel River Comment
  UC420437  Heuchera micrantha var. erubescens H. P. Chandler 1907-5-14 7582 Napa White Sulphur Spring St. Helena Comment
Read comments
1
  UC162813  Hoita orbicularis Joseph P. Tracy 1899-7-4 392 Napa Angwin Creek Northern Coast Ranges, Howell Mountain (meadows) 457 Comment
  CAS-BOT-BC280702  Holcus lanatus Elsa G. Ruckert 1960-4-29 s.n. Napa 300 yards from 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC324651  Holocarpha virgata John Thomas Howell 1933-8-27 11644 Napa EAst of Chiles Valley on road to Winters, Napa Range Comment
  JEPS106636  Holocarpha virgata Jake Ruygt 1987-7-27 2084 Napa .7 miles west of HWY 128 on Monticello Road 256 Comment
  RSA8543  Holocarpha virgata subsp. virgata J. T. Howell 1933-8-27 11644 Napa E of Chiles Valley on road to Winters, Napa Range. Comment
  JEPS7754  Holozonia filipes Peter H. Raven 1952-8-28 5158 Napa near Napa Soda Springs 228 Comment
  CAS-BOT-BC315788  Holozonia filipes C. G. Pringle 1882-10-9 s.n. Napa Napa Comment
  JEPS76119  Hordeum brachyantherum subsp. brachyantherum W. L. Jepson 1938-6-8 18893 Napa South Fork Butts Creek , Butts Canyon (Butts Canyon) Comment
  UC754605  Hordeum brachyantherum subsp. californicum G. L. Stebbins Jr. and G. Covas 1948-5-9 3933 Napa on road from Rutherford to Monticello, at jct.of road from Pope Valley, near head of Sage Canyon Comment
  UCD37944  Hordeum brachyantherum subsp. californicum Beecher Crampton 1962-5-16 6424 Napa 6.4 miles S of Pope Valley, western slope of Chiles Valley. Comment
  UCD85462  Hordeum brachyantherum subsp. californicum J. Street 1950-6-19 s.n. Napa Pope Valley. Comment
  CAS-BOT-BC285097  Hordeum marinum subsp. gussoneanum Peter H. Raven 1957-5-5 10738 Napa Calistoga 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
  UCD85829  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-25 3468 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  CAS-BOT-BC284761  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 A Napa Napa Comment
  UC50689  Hordeum murinum subsp. leporinum H. P. Chandler 1900-5-7 626 Napa Rutherford Comment
  UC73773  Hordeum murinum subsp. leporinum J. Burtt Davy Apr. 1902 Napa St. Helena Comment
  JEPS44532  Horkelia californica subsp. dissita Willis L. Jepson 1893-9-24 1214 p Napa Howell Mt.Napa River Basin, Angwin's Meadows Comment
  POM65334  Hydrophyllum occidentale C. F. Baker 1903-5-11 11589 Napa Knoxville. Comment
  JEPS110867  Hypericum anagalloides Jake Ruygt 1979-6-14 696 Napa north of PG&E substation, Suscol hill 24 Comment
  UC127182  Hypericum anagalloides Harley P. Chandler Sep 7 1906-Sep 14 1906 7104 Napa Alta Loma Ranch 487 Comment
  CAS-BOT-BC410810  Hypericum concinnum L. R. Abrams 1916-7-2 5754 Napa Near St. Helena Sanitarium Comment
  CAS-BOT-BC410809  Hypericum concinnum Rimo Bacigalupi 1928-6-20 1870 Napa Howell Mt 10 miles E of St Helena Comment
  UC19037  Hypericum concinnum Willis L. Jepson Jul 1 1892-Aug 1 1892 Napa Knoxville Comment
  UCSB4123  Hypericum concinnum Chisaki, Francia; Kamb, Peter 1950-6-9 Napa Road to Monticello; about 20 miles south of Lower Lake Comment
  UCD48646  Hypochaeris glabra L. Wynholds; S. Du Plessis, B. Erickson, C. Malleck 2001-4-14 16 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along N. Decker Canyon Rd., 50-70 ft. N of stream. 167 Comment
  UCD120789  Hypochaeris radicata Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7329 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
  UCSB19155  Iris douglasiana Rankine, Jane 1965-4-13 Napa 3 miles W of Pope Valley; on the road between Pope Valley and Anqwin Comment
  CDA31272  Iris fernaldii D. G. Kelch 2010-5-6 10 .173 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  RSA135873  Iris fernaldii Lee W. Lenz, E. K. Balls 1955-5-17 20765 Napa 7.6 miles south of Lake-Napa County line along State Highway 29, Middletown to Calistoga 457 Comment
  SBBG115424  Iris fernaldii J. Good 1998-5-2 3 Napa St Hwy 128, 3 mi W of Monticello dam, just past Markley Cove 146 Comment
  JEPS126028  Iris longipetala Jake Ruygt 1981-4-20 992 Napa American Canyon, east of Flosden Road. Cordelia 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
  SEINET6193236 Image available Iris macrosiphon L. F. Robbins 1927-1 s.n. Napa Napa county Comment
  UCD118351  Iris macrosiphon Reed Crane; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 403 Comment
  UCD95898  Iris macrosiphon Ellen Dean; with Clare Loughran 2011-5-20 7043 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  UC914248  Iris macrosiphon Verne Grant and Alva Grant 1947-4-19 7938 Napa e of summit of Mayacama Mts. (on Napa to Monticello road) Comment
  UCD135860  Isoetes howellii W. R. Russell 1972-5-25 s.n. Napa Just west of State Highway 29 and south of Calistoga. Comment
  UC14915  Isoetes nuttallii J. P. Tracy 1902-5-19 1553 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  CAS-BOT-BC102318  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 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
  UCD166691  Juglans hindsii Jake Ruygt 2007-4-16 5154 Napa Jameson Canyon, about 100 yds west of private road at Creston.. 88 Comment
  JEPS126047  Juncus acuminatus Jake Ruygt 1992-7-4 3060 Napa Wild Horse Valley Ranch, between Leoma and Mitten Lake. Mount George 7.5' Quad. Comment
  UCD95978  Juncus balticus subsp. ater Ellen Dean; with Clare Loughran 2011-5-20 7069 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property, west of main road and near property boundary. 614 Comment
  UC1601696  Juncus bufonius Willis L. Jepson 1893-1 Napa Napa Valley Napa River Basin Comment
  UCD73514  Juncus bufonius Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS129086  Juncus capitatus Jake Ruygt 2016-4-23 6203 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  JEPS126040  Juncus dubius Jake Ruygt 1992-3-18 2974 Napa Yountville Ecological Reserve, Yountville Cross Road. Yountville 7.5' Quad. Comment
  JEPS76128  Juncus effusus subsp. pacificus W. L. Jepson 1938-10-1 19048 Napa e slope Mt. St. Helena (just beyond pass, Molly Patton Inn) Comment
  JEPS84888  Juncus kelloggii Jake Ruygt May 1990 Napa Bear Valley 603 Comment
  UCD166703  Juncus kelloggii Jake Ruygt 10 Apr1992 2905 Napa southwest of Leoma Lakes, Wild Horse Valley Ranch. 423 Comment
  JEPS126058  Juncus occidentalis Jake Ruygt 2006-6-3 5047 Napa Las Posadas State Forest north of Fire Station. Saint Helena 7.5' Quad. Comment
  JEPS67097  Juncus occidentalis Willis L. Jepson 1894-5-1 40 a Napa Upper Conn Valley Napa River Basin Comment
  UCD168530  Juncus occidentalis Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS122658  Juncus oxymeris Jake Ruygt 1991-6-29 2739 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  UCD166708  Juncus patens Jake Ruygt 2006-7-3 5070 Napa Napa River north of Zinfandel Lane. 56 Comment
  UCD19920  Juncus patens E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 776 Napa Quail Ridge Reserve. Decker Canyon, along S. Decker Canyon trail, just N of Cut-off Rd., along drainage that runs NE of trail. 167 Comment
  UCD20744  Juncus patens Ellen Dean; w/ Mark Bibbo 2002-6-17 1105 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
  UCD167045  Juncus phaeocephalus var. phaeocephalus Jake Ruygt 1998-5-25 3998 b Napa Napa River Ecological Reserve, Yountville. 27 Comment
  JEPS122668  Juncus xiphioides Jake Ruygt 1996-6-3 3741 Napa Jamieson Vineyards near South Kelly Road. Quad: Cordelia. Comment
  CAS-BOT-BC235866  Keckiella corymbosa Peter H. Raven 1953-5-2 5400 Napa Summit of hill due e. of Yountville 304 Comment
  CAS-BOT-BC237851  Keckiella lemmonii Rimo Bacigalupi 1928-6-20 1873 Napa Howell Mt 10 miles west of St Helena Comment
  UC185352  Keckiella lemmonii Katharine Brandegee 1910-7-27 Napa Angwin's; Napa Range, Howell Mt. Comment
  JEPS11337  Kickxia elatine W. L. Jepson 1930-10-19 15684 Napa mouth of Sage Canyon (in Conn Creek bed); Napa Valley, Conn Creek 45 Comment
  UC1714642  Kickxia spuria Ethel Crum 1931-12-6 1310 Napa 5 mi e Rutherford (Conn Creek); Napa Valley, Conn Creek 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
  UCD160802  Koeleria macrantha Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8682 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
  UCD85736  Koeleria macrantha Beecher Crampton 1956-5-25 3460 Napa Vaca Mountains, head of Markley Canyon. Comment
  UCD85738  Koeleria macrantha Beecher Crampton 1956-5-25 3474 Napa Southeastern Capell Valley. Comment
  CHSC103003  Lactuca serriola Lowell Ahart 2009-10-12 16426 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
  UC127119  Lactuca serriola Harley P. Chandler Sep 7 1906-Sep 14 1906 7111 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD20756  Lactuca serriola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 105 Napa McLaughlin UC Reserve. Just S of the reserve on Adam's Ridge Rd. 1.6 road miles E of the jct with Devilhead Rd. 640 Comment
  CDA11427  Lagophylla minor G. F. Hrusa, M. Tu 1995-5-6 12150 Napa North Coast Biodiversity Arena; approx. 1.5 m. above Aetna Springs, on Aetna Spr. Rd. Comment
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS89774  Lagophylla minor Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10803 Napa Butts Canyon Road near junction with Snell Road (North Coast Ranges); , Butts Canyon Road 204 Comment
  UC828868  Lagophylla minor John Thomas Howell 1939-4-30 14631 Napa Walter Springs Comment
  UCD135655  Lagophylla minor Bruce G. Baldwin 1988-5-29 706 Napa immediately beyond junction with State Highway 128 along north side of Lower Chiles Valley Road. Comment
  UCD48601  Lagophylla minor M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 8 Napa Quail Ridge UC Reserve, northern tip of ridge, N of intersection of East and West roads, along lower road leading to power lines. 297 Comment
  UCD48648  Lagophylla minor K. Mogel; B. Pekin and M. Higley 2002-5-4 1 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 750 ft. along the lower road that leads to the power lines; immediately downslope of road. 320 Comment
  CAS-BOT-BC341427  Lagophylla minor J. Clausen 1935-5-22 1069 Napa Ca. 1 mi. E. of Chiles Valley Store Comment
  JEPS41064  Lagophylla minor Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9114 Napa about 7 mi se Knoxville (at the s end of Cedar Valley); Cedar Valley 594 Comment
  SEINET11807297  Lagophylla minor F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -335 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS129036  Lagophylla ramosissima Jake Ruygt 2016-5-28 6266 Napa Smitty Ranch, east side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS7756  Lagophylla ramosissima Peter H. Raven 1952-6-28 4196 Napa Conn Valley 121 Comment
  UC89207  Lagophylla ramosissima Mrs. K. Curran 1888-8-1 Napa Howell Mountain 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
  JEPS19934  Lagophylla ramosissima Willis L. Jepson 1894-7-19 Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  RSA13382  Lagophylla ramosissima Daniel Cleveland, Michelle Cleveland 1882-8-26 s.n. Napa Actria Springs. Comment
  JEPS110795  Lamium amplexicaule Jake Ruygt 1977-3-1 133 Napa .3 miles north of Oak Knoll Ave. on Big Ranch Rd. 21 Comment
  JEPS63243  Lamium amplexicaule Mrs. Clara A. Hunt 1909-3-24 Napa St. Helena Comment
  SBBG40959  Lamium purpureum M. M. Ackley 1959-4-4 Napa near St Helena Comment
  UCD124931  Lamium purpureum Merrel Ackley 1959-4-4 s.n. Napa near St. Helena. Comment
  CAS-BOT-BC338274  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Calistoga 91 Comment
  JEPS129073  Lasthenia californica Jake Ruygt 2016-4-2 6172 b Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  RSA113971  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Hot spring, Calistoga. Comment
  JEPS10162  Lasthenia californica subsp. californica W. L. Jepson 1893-4-25 Napa w St. Helena; Caux's Knob Comment
  UCD18084  Lasthenia californica subsp. californica Ellen Dean; with PLB 102 class 2000-4-22 640 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  JEPS106673  Lasthenia conjugens Jake Ruygt 1991-5-4 2635 z Napa Suscol Ridge 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
  CAS-BOT-BC355483  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  UCD133773  Lasthenia gracilis J. D. Clark 1995-5-27 11 Napa on trail between 1/4 - 3/4 mile from trailhead at Highway 29. Trailhead begins on the east side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  JEPS10166  Lasthenia gracilis W. L. Jepson 1893-4-28 Napa Napa Comment
  UC30426  Lasthenia gracilis Willis L. Jepson 1893-5-1 Napa Napa Valley Napa River Basin, Upper Napa Valley Comment
  UCD75721  Lathyrus hirsutus Jake Ruygt 1992-5-18 2982 Napa Yountville Ecological Reserve, Yountville Cross Rd. 27 Comment
  UC81786  Lathyrus jepsonii var. jepsonii Michener and Bioletti 1892-8-15 Napa Draw Bridge Napa River Comment
  SEINET956311  Lathyrus vestitus Paul C. Hutchison 1963-1 2673 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD106498  Lathyrus vestitus D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 350 Comment
  POM29623  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC2029553  Lathyrus vestitus var. vestitus Richard R. Halse 2013-3-27 8752 Napa Along State Highway 128, ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa Comment
  CAS-BOT-BC323194  Layia chrysanthemoides David D. Keck 1931-4-3 1074 Napa 3 miles NE of Aetna Springs, northern Napa County. Comment
  JEPS39100  Layia chrysanthemoides W. L. Jepson 1915-4-23 6257 Napa Conn Valley Napa Range, Conn Valley Comment
  CAS-BOT-BC323198  Layia chrysanthemoides J. Clausen 1935-5-22 1068 Napa 2.2 mi. S of Knoxville Comment
  HSC5916  Layia chrysanthemoides Greg Bos 1963-3-30 59 Napa 3 mi. S of Middleton on Butte Canyon Rd. Comment
  UC913072  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 mi s Monticello (eastern Napa County) Comment
  JEPS106617  Layia gaillardioides Jake Ruygt 1980-4-22 858 Napa .7 miles NW of Knoxville on Berryessa-Knoxville Rd. 457 Comment
  UCD160043  Layia platyglossa Catherine Koehler 2012-4-2 s.n. Napa McLaughlin UC Reserve. WSW of Knoxville Mine site, along Knoxville-Berryessa Road. North side of road. 464 Comment
  JEPS106634  Layia septentrionalis Jake Ruygt 1989-4-22 2289 Napa Snell Valley Rd. just east of Butts Canyon Rd. 143 Comment
  JEPS40030  Layia septentrionalis Willis L. Jepson 1893-5-2 Napa grade to Pope Valley from Calistoga; Palisades Comment
  UCD63159  Layia septentrionalis Jake Ruygt 1980-4-13 834 Napa North of Snell Valley over ridge. 256 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-BC534370  Lemna minor Peter H. Raven 1952-5-31 4105 Napa Slough of Napa Creek e. Yountville 30 Comment
  JEPS34473  Lemna minuscula L. R. Heckard 1964-5-23 1362 Napa about 2 mi sw of Aetna Springs (Cleary Reserve (Nature Conservancy)); Cleary Reserve (Nature Conservancy) 365 Comment
  CAS-BOT-BC534950  Lemna minuta Peter H. Raven 1951-6-26 3073 Napa Wooden Valley grade 304 Comment
  JEPS122751  Leontodon saxatilis subsp. saxatilis Jake Ruygt 2011-6-18 5802 Napa Silverado Trail, 0.3 mi north of Pope Street, St. Helena. Quad: St. Helena. Comment
  JEPS110792  Lepechinia calycina Jake Ruygt 1992-5-15 2968 Napa Wild Horse Valley Ranch, west of road north of polo field 499 Comment
  JEPS63268  Lepechinia calycina W. L. Jepson 1943-5-15 20776 Napa Knoxville Ridge Comment
  SEINET9342757  Lepechinia calycina Unknown 1998-6-2 32 Napa Napa Co., CA Comment
  CAS-BOT-BC88681  Lepidium acutidens John Thomas Howell 1926-3-27 1758 Napa Myrtledale Hot Springs near Calistoga. Comment
  CHSC102265  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CAS-BOT-BC12869  Lepidium ruderale Peter H. Raven 1952-5-26 4031 Napa St. Helena. 76 Comment
  POM94072  Lepidium strictum A. A. Heller, H. E. Brown 1902-4-25 5363 Napa Near Napa Comment
  CHSC42327  Leptosiphon androsaceus L. Constance 1938-4-22 2133 Napa Above Dry Creek 2 mi. W. of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  RSA10695  Leptosiphon androsaceus C. B. Wolf 1928-5-3 1792 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  OBI6321  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  POM196068  Leptosiphon androsaceus L. F. Robbins 1927-4-15 s.n. Napa [no locality information provided] Comment
  CAS-BOT-BC226692  Leptosiphon jepsonii L. R. Abrams 1928-5-3 12220 Napa St. Helena Grade Comment
  JEPS120363  Leptosiphon latisectus Jake Ruygt 2010-4-8 5502 Napa Mead Ranch, west slope overlooking Soda Canyon. Yountville 7.5' Quad. Comment
  RSA0081010  Leptosiphon parviflorus G. F. Hrusa, S. Larson 1995-4-10 12059 Napa Approx. 1 m. below bridge over Pope Creek, on Pope Canyon Rd. 175 Comment
  UC2042989  Leptosiphon parviflorus Barbara Ertter with Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD121168  Leptosiphon parviflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7353 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. Recreation Flat area. Valley. 392 Comment
  UCD39140  Lessingia hololeuca Beecher Crampton 1964-8-18 7153 Napa 2 miles north of Calistoga, Myrtledale Hot Springs area, Tubbs Lane. Comment
  SD8921  Lessingia ramulosa Daniel Cleveland 1882-10-6 Napa Aetna Springs Comment
  UC1282679  Lessingia ramulosa J. R. Sweeney 1952-6-15 955 Napa 0.4 mi se of Black Oak Villa in Butts Canyon (1.1 mi from Lake-Napa County line on Pope Valley Road); , Black Oak Villa 243 Comment
  UC761925  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa canyon of s fork Butts Creek; Canyon of s fork of Butts Creek Comment
  UC1198370  Lewisia rediviva Joseph P. Tracy 1902-5-21 1592 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 335 Comment
  CAS-BOT-BC444417  Lewisia rediviva Milo S. Baker; Alice Griffin 1926-3-30 168 Son Ser. Napa The Crater, Mt St Helena Comment
  JEPS43232  Lewisia rediviva Pearl Lutzi May 1916 Napa High Rocks on the road to Oat Hill Mine; Calistoga Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  UC14914  Lilaea scilloides J. P. Tracy 1902-5-19 1548 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 518 Comment
  CAS-BOT-BC451586  Lilaea scilloides Peter H. Raven 1951-6-24 3027 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  CAS-BOT-BC132956  Lilium rubescens Tom Craig 1941-6-18 s.n. Napa Trinity Road, east slope Comment
  SEINET9312801  Limnanthes Unknown 1967-4-1 48407 Napa Napa Comment
  UC917116  Limnanthes douglasii D. C. Finfrock 1950-4-4 10 Napa along roadside of State Hwy 29 Yountville (n edge of Yountville) Comment
  JEPS112541  Limnanthes douglasii subsp. douglasii Jake Ruygt 1998-4-8 3902 Napa SE corner of Soda Canyon Road and Silver ado Trail 22 Comment
  CAS-BOT-BC361310  Limnanthes douglasii subsp. nivea Richard R. Halse 2013-3-27 8757 Napa Along the Chiles and Pope Valley Road ca 4.7 miles NW of its junction with the Lower Chiles Valley Road. 230 Comment
  JEPS122739  Limnanthes douglasii subsp. nivea Jake Ruygt 2011-5-7 5779 Napa Mill Valley near Angwin; central portion. Quad: St. Helena. 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
  UC1593390  Limnanthes douglasii subsp. nivea R. Ornduff 1966-4-21 6880 Napa 4.4 mi se Calistoga (pasture along Hwy 29, in ephemeral stream) Comment
  UCD116513  Limnanthes douglasii subsp. nivea D. C. Finfrock 1950-4-4 10 Napa along roadside of State Highway 29, north edge of Yountville. Comment
  CDA13214  Limnanthes floccosa subsp. floccosa G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12915 Napa North Coast Biodiversity Arena; in of Palisades in Cub Valley. MonteSol Ranch. Comment
  CDA11597  Linanthus androsaceus G. F. Hrusa, S. Larson 1995-4-1 12054 Napa North Coast Biodiversity Arena; along Chiles-Pope Valley Rd., approx. 2 m. above Lake Hennessey. Comment
  JEPS58160  Linanthus androsaceus W. L. Jepson 1892-3-25 20904 Napa Signal sta., Vaca Mts (w crest) Vaca Mts. Comment
  UC23363  Linanthus androsaceus Willis L. Jepson 1893-4-28 Napa trail to Caux's Cabin Napa River Basin 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
  JEPS58378  Linanthus dichotomus W. L. Jepson 1924-4-6 10313 Napa Conn Valley Napa Range 91 Comment
  UC903158  Linanthus dichotomus Ethel Crum 1937-4-19 1786 Napa 17 mi ne Napa; Napa Range, Steel Canyon Comment
  POM260859  Linanthus dichotomus subsp. meridianus J. T. Howell 1940-5-19 15459 Napa Upper St. Helena Creek. Comment
  SEINET205184  Linanthus dichotomus subsp. meridianus Carl A. Huether Jr. 1965-3-4 50 Napa in serpentine between road and creek; ca. .25 mile east of mail boxes on road to M & M Ranch. Middle snell valley. Comment
  SEINET8729335 Image available Linanthus dichotomus subsp. meridianus Herbert L. Mason 1942-1 12540 Napa Eight miles south of Pope Valley Store Comment
  JEPS110968  Linanthus parviflorus Jake Ruygt 1986-3-29 1672 Napa Blue Ridge above Toll Canyon 432 Comment
  JEPS58110  Linanthus parviflorus W. L. Jepson 1915-4-23 6255 Napa Conn Valley Napa Range Comment
  UC1301143  Linanthus parviflorus Helen K. Sharsmith 1963-4-20 5332 Napa 4 mi s Napa (off of Kelly Road); San Francisco Bay Region 45 Comment
  UC23783  Linanthus parviflorus Willis L. Jepson 1893-4-24 Napa e of St. Helena; Napa River Basin Comment
  UC908692  Linanthus parviflorus Herbert L. Mason 1926-3-22 2790 Napa along road from Calistoga to Petrified Forest (near Sonoma County line) Comment
  JEPS58548  Linanthus pygmaeus W. L. Jepson 1896-6-2 20920 a Napa St. Helena, Conn Valley, lower end, on cross-ridge at mouth Conn Valley Comment
  JEPS122715  Linum bienne Jake Ruygt 1987-4-20 1953 Napa South of Conn Dam near summit of ridge. Quad: Yountville. Comment
  UCD110568  Linum bienne Irving Grover 1959-5-15 s.n. Napa Near Napa. Comment
  CDA10843  Lithophragma affine G. F. Hrusa, G. L. Stebbins 1994-4-18 11780 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 457 Comment
  JEPS48657  Lithophragma affine Elsa Kraeger 1926-3-28 Napa 1/2 mi below Mt. St. Helena Inn (roadside); below Mt. St. Helena Inn Comment
  UCD102700  Lithophragma affine David Lawfer 1952-3-29 139 Napa Napa. Comment
  JEPS110625  Lithophragma bolanderi Jake Ruygt 1998-5-30 4006 Napa About .3 mile from Table Rock. 682 Comment
  CAS-BOT-BC435617  Lithophragma heterophyllum L. R. Abrams 1928-5-3 12243 Napa Summit St. Helena Grade Comment
  JEPS110627  Lithophragma heterophyllum Jake Ruygt 1977-4-7 177 Napa 2.8 miles NW of Mt. Veeder Rd. on Redwood Rd. 243 Comment
  UC11904  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 Napa Knight's Valley road from Calistoga; Napa River Basin Comment
  UCD102717  Lithophragma heterophyllum Collector unknown 1931-4-19 s.n. Napa Calistoga. Comment
  JEPS85028  Lithophragma parviflorum Larry Heckard and Mary Ashton 1969-5-3 2211 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 457 Comment
  HSC43992  Logfia filaginoides Robert M. Specht 1977-4-19 695 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD63176  Logfia filaginoides Jake Ruygt 1996-4-27 3630 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. 243 Comment
  CAS-BOT-BC342246  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa Along old toll road between Calistoga and Middletown, 1.5 miles from Calistoga Comment
  JEPS84596  Logfia filaginoides John W. Willoughby 1977-4-20 2141 Napa w side of range Vaca Mountains (latitude approximately that of Mount Vaca) 457 Comment
  CAS-BOT-BC342441  Logfia gallica R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6657 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  JEPS20927  Logfia gallica W. L. Jepson 1923-4-29 9886 Napa St. Helena Comment
  UCD159934  Logfia gallica Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Below southwest side, Q59. 243 Comment
  UCD18141  Lolium perenne Jean Shepard; with PLB 102 class 2000-4-29 198 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UC38796  Lolium temulentum Willis L. Jepson 1894-1 Napa Little Oak Comment
  UCD127614  Lomatium californicum M. Wiesendanger 1927-5-4 703 Napa Monticello, Napa Road. Comment
  SBBG59694  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  RSA452088  Lomatium dasycarpum subsp. dasycarpum Joseph A. Ewan 1934-4-30 8829 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  UC1563666  Lomatium hooveri Barbara Ertter with Annetta Carter 1989-5-28 8507 Napa near Knoxville (2 mi. s.e. of Lake Co. line on Berryessa Rd., hills s. of rd.); extreme n. Napa Co. 609 Comment
  UCD170296  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 836 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 452 Comment
  UCD170348  Lomatium hooveri Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 847 Napa Knoxville Wildlife Area, south of Nevada Creek. 477 Comment
  UCD47860  Lomatium hooveri D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 7 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., south path. 545 Comment
  JEPS17118  Lomatium macrocarpum Willis L. Jepson 1893-4-24 14384 Napa hills e. of St. Helena to Conn Valley Grade (Howell Mt. foothills); Howell Mt. foothills Comment
  POM132573  Lomatium marginatum C. F. Baker 1903-5-8 2971 Napa Knoxville. Comment
  POM264418  Lomatium marginatum var. purpureum J. C. Roos 1939-3-18 302 Napa Snell Valley Comment
  CAS-BOT-BC217804  Lomatium repostum Lincoln Constance; J. F. Davidson; W. H. Wagner; R. H. Shan 1946-5-18 3048 Napa Southeast slope of Mount Saint Helena, near the old inn. Comment
  CAS-BOT-BC217814  Lomatium repostum John Thomas Howell 1930-7-13 5358 Napa Edge of Crater Country Comment
  JEPS104550  Lomatium repostum Jake Ruygt 1991-4-20 2626 Napa Friesen's Lakes, near Deer lake 597 Comment
  UCD148112  Lomatium repostum Jake Ruygt 1979-5-6 584 Napa Mt. St. Helena. 792 Comment
  UCD159751  Lomatium repostum G. Ledyard Stebbins 1971-5-2 8006 Napa Northeast of Napa. Ranch of Giles Mead, along Atlas Mountain [Peak] road. (Exact location unknown. Coordinates estimated by label maker as near Mead Ranch Vineyards.) 487 Comment
  UCD164761  Lomatium utriculatum Jake Ruygt 2014-4-7 5917 Napa Sutro Ranch, south end near Foss. 700 Comment
  JEPS17560  Lomatium vaginatum W. L. Jepson 1893-5-2 14311 Napa Pope Valley grade from Calistoga; Napa Range Comment
  JEPS12818  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin Comment
  SEINET7072565  Lotus micranthus A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  RSA293011  Lotus micranthus Reino Alava, Lincoln Constance, Robert Ornduff, Aloha Alava 1957-5-5 755 Napa Mt. Saint Helena. Comment
  SEINET7072526  Lotus parviflorus A. G. Vestal 1963-4-7 s.n. Napa About 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD 27. Comment
  JEPS107203  Lotus strigosus Jake Ruygt 1991-4-20 2635 Napa Mead Ranch, Atlas Peak Rd. 548 Comment
  POM66958  Lotus wrangelianus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD167267  Ludwigia palustris Jake Ruygt 1992-6-2 3015 Napa Leoma Lakes, Wild Horse Valley Ranch. 402 Comment
  UC15756  Lupinus affinis Willis L. Jepson 1893-4-26 Napa Oakville; Napa River Basin, Oakville Comment
  RSA13515  Lupinus affinis H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  UC402911  Lupinus albifrons Mrs. H. P. Bracelin 1930-3-29 Napa nw flanks Mt. George; nw flanks of Mt. George Comment
  UCD105893  Lupinus albifrons Rimo Bacigalupi; L. Heckard, P. C. Silva 1962-4-16 8446 Napa 8.6 miles north of Vichy Springs junction (on Calif. 37), along Atlas Peak road; 1800 ft. Comment
  UCD162090  Lupinus albifrons Dylan O. Burge 2014-3-15 1487 Napa Mount Saint Helena. 850 Comment
  CAS-BOT-BC201553  Lupinus albifrons var. albifrons A. A. Heller 1940-5-6 L 5587 Napa East side of Mt. St. Helena just below the summit crossing of State Highway #29 Comment
  CAS-BOT-BC201555  Lupinus albifrons var. albifrons Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  CAS-BOT-BC201556  Lupinus albifrons var. albifrons Alice Eastwood 1918-5-1 6829 Napa Mt. St. Helena Comment
  CDA11338  Lupinus albifrons var. albifrons G. F. Hrusa 1995-4-2 12048 Napa North Coast Biodiversity Arena; 1 m. NE of corner of Chiles-Pope Valley Rd. and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res., on Hwy. 128. Comment
  RSA195346  Lupinus albifrons var. albifrons Gilbert Muth 1967-5-17 683 Napa Summit of Oat Hill Road 671 Comment
  RSA699737  Lupinus bicolor Keith E. Hoffmaster 1946-3-23 1089 Napa Napa range, along Napa-Monticello road Comment
  UC75245  Lupinus bicolor C. F. Baker Apr 1903 1988 Napa Calistoga Comment
  UCD161527  Lupinus bicolor Jake Ruygt 1991-4-6 2623 -z Napa Lyerla Ranch, near Montgomery Creek on Mt. Veeder Road. 350 Comment
  JEPS64994  Lupinus bicolor subsp. tridentatus Willis L. Jepson 1897-5-2 32 t Napa St. Helena Napa River Basin, St. Helena Comment
  RSA264961  Lupinus bicolor subsp. umbellatus George E. Johnston 1974-4-4 10739 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  POM160869  Lupinus bicolor subsp. umbellatus J. G. Lemmon 1889-04 s.n. Napa Calistoga. Comment
  POM181684  Lupinus densiflorus var. aureus Williams 1927-4-15 s.n. Napa Hills. Comment
  RSA79064  Lupinus formosus var. formosus E. K. Balls, Lee W. Lenz 1952-5-8 17105 Napa 2.8 miles west from Calistoga, road to Santa Rosa via Petrified Forest. 91 Comment
  UCD167062  Lupinus formosus var. formosus Jake Ruygt 2000-7-31 4279 Napa Napa, Trancas Street at Villa Lane. 14 Comment
  JEPS65285  Lupinus latifolius var. latifolius Willis L. Jepson 1893-4-24 26 t Napa hills e St. Helena; Napa River Basin, hills e of St. Helena 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
  JEPS108045  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct. Ca 121, 2.9 mi W Monticello Dam, Lake Berryessa. 274 Comment
  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
  JEPS65393  Lupinus nanus Willis L. Jepson 1893-4-24 29 t Napa hills e St. Helena to Conn Valley (Napa River Basin); , hills e of St. Helena to Conn Valley Comment
  UCD109259  Lupinus nanus G. L. Webster 1967-3-23 7492 Napa ca. 1 mi. S of Spanish Flat. 167 Comment
  UC725969  Lupinus nanus A. A. Heller 1929-3-16 14821 Napa grade near foot Mt. St. Helena; foot of Mt. St. Helena Comment
  UCD167065  Lupinus nanus Jake Ruygt 2001-4-16 4306 Napa Big Ranch Road (Van Winden property). 16 Comment
  POM210035  Lupinus nanus subsp. nanus H. P. Bracelin 1932-4-17 234 Napa Four miles south of Yountville. Comment
  UCR43183  Lupinus sericatus L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  UCD167086  Luzula comosa var. comosa Jake Ruygt 2010-4-9 5495 Napa Moore Creek Canyon about 0.1 miles north of parking area. 243 Comment
  JEPS67170  Luzula macrantha W. L. Jepson 1894-5-1 2 a Napa Upper Conn Valley Comment
  JEPS67202  Luzula macrantha W. L. Jepson 1936-7-2 17641 Napa Angwin Meadow Napa Range, Howell Mountain Comment
  UCD103029  Lythrum hyssopifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  JEPS112656  Lythrum tribracteatum Jake Ruygt 1983-8-19 1497 Napa Marina Dr., Napa 4 Comment
  UC33186  Madia anomala Willis L. Jepson 1894-5-1 Napa Hills e of St. Helena; Napa River Basin Comment
  UC175969  Madia citriodora J. P. Tracy 1902-5-21 1600 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, head of Moore's Creek 457 Comment
  JEPS106610  Madia elegans Jake Ruygt 1979-4-21 539 Napa Milliken Canyon west of dam 121 Comment
  UCD73449  Madia elegans 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
  CAS-BOT-BC343831  Madia elegans Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  POM285001  Madia elegans subsp. elegans Lyman Benson 1933-8-23 5686 Napa Mt. St. Helena, Mayacamas mountain range, Napa Valley watershed 305 Comment
  CAS-BOT-BC344447  Madia exigua David D. Keck 1933-5-29 2357 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC344450  Madia exigua John H. Thomas 1955-5-21 5135 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UCD48581  Madia exigua Kook-Hyun Chung; M. Hauselt, C. Ineich, J. Deusterman 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 (2400 ft.) 'as the crow flies' NW of jct. with S. Decker Canyon Rd.; downslope of West Rd. ca. 20 m. 242 Comment
  CAS-BOT-BC344442  Madia exigua H. M. Hall 1931-5-26 13090 Napa Napa Range. Summit of Wooden Valley grade 365 Comment
  JEPS38332  Madia exigua W. L. Jepson 1936-5-31 17571 Napa between Toland House and Augwin; Napa Range, Howell Mt.La Jota plateau Comment
  UC527942  Madia exigua R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6661 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  JEPS106549  Madia gracilis Jake Ruygt 1986-8-10 1898 Napa Recreation Flat, Los Posados State Forest 377 Comment
  UCD170686  Madia gracilis 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD18101  Madia gracilis Ellen Dean; with PLB 102 class 2000-4-29 757 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
  UCD63149  Madia gracilis Jake Ruygt 2003-4-14 4498 Napa Lower hills of Blue Ridge east of Zim-Zim Creek. 365 Comment
  CAS-BOT-BC343194  Madia gracilis John Thomas Howell 1933-6-4 11384 Napa Hills east of Napa Comment
  CAS-BOT-BC343198  Madia gracilis David D. Keck 1933-5-29 2372 Napa 10 miles north of Monticello on road to Knoxville Comment
  RSA92827  Madia gracilis subsp. gracilis P. H. Raven 1952-6-28 4196 -A Napa Hennessey Lake 122 Comment
  CAS-BOT-BC8139  Madia hallii Harvey Monroe Hall 1931-5-27 13094 Napa Near Knoxville, NE Napa County. Comment
  POM56189  Madia hallii C. F. Baker 1903-5-8 3079 Napa Knoxville. Comment
  POM125421  Madia nutans Alice Eastwood 1923-5-9 s.n. Napa Mount St. Helena Comment
  POM53357  Madia nutans W. L. Jepson 1893-4-28 s.n. Napa Napa River Basin, Wooden Valley Grade Comment
  RSA10705  Madia nutans C. B. Wolf 1928-5-3 1782 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  RSA304468  Madia nutans Barbara Ertter, Jeffrey Strachan 1980-5-9 3330 Napa Los Posadas State Experimental forest on Howell Mountain 1-2 miles east of Angwin. 549 Comment
  RSA503991  Madia nutans B. G. Baldwin 1987-4-26 652 Napa Las Posadas State forest (Howell Mountain), immediately north of dirt toad leading east from Las Posadas Fire Station, less than 0.1 mile east of station. Comment
  CAS-BOT-BC345048  Madia sativa David D. Keck 1933-5-28 2326 Napa Just north of Yountville Comment
  POM56203  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa. Comment
  UCD166657  Maianthemum stellatum Jake Ruygt 1999-4-24 4132 Napa Partrick Road. 85 Comment
  UCD63150  Malacothrix clevelandii Jake Ruygt 2005-6-1 4885 Napa Knoxville Wildlife Area; Blue Ridge, 1 mile N of Mays Flat. 719 Comment
  CAS-BOT-BC347518  Malacothrix floccifera Alice Eastwood; John Thomas Howell 1939-6-11 7423 Napa Hood Mt. Range sw. of Oakville Comment
  UCD18099  Malacothrix floccifera Ellen Dean; with PLB 102 class 2000-4-29 755 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  CAS-BOT-BC347514  Malacothrix floccifera John Thomas Howell 1931-4-19 6461 Napa Conn Valley, Napa Range Comment
  JEPS122721  Malva parviflora Jake Ruygt 1978-6-25 368 Napa 1.5 mile west of Old Sonoma Road on Highway 12. Quad: Napa Comment
  UCD161647  Marah fabacea Jake Ruygt 2006-4-10 4971 Napa South Kelly Road about 75 yards from Highway 12. 36 Comment
  UCD125022  Marrubium vulgare M. R. Wanzer 1948-5-6 12 Napa Putah Canyon, 8 miles west of Winters. Comment
  POM262794  Medicago arabica J. C. Roos 1939-5-2 292 Napa Angwin Comment
  UCD13126  Medicago arabica Kathleen Worden 1981-4-28 3 Napa Napa CO. on highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  UCD112047  Melica Christopher Mallek 2008-5-12 AS2- 19 Napa Aetna Springs. 668 Comment
  CAS-BOT-BC269417  Melica californica California Academy of Sciences 1870-5-1 s.n. Napa Oakville Comment
  JEPS76086  Melica californica W. L. Jepson 1938-5-22 18819 Napa Pope Valley; Limekiln Creek Canyon 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
  UCD18005  Melica californica Ellen Dean; with Plant Biology 102 class 2001-4-28 737 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Downslope of West Rd., ca. 2400 feet as the crow flies NW of jct. with South Decker Canyon Rd. Along old road that leads NW and downslope along a ridge. 242 Comment
  CAS-BOT-BC282168  Melica geyeri Peter H. Raven 1952-8-26 5154 Napa Lokoya 487 Comment
  SEINET239009 Image available Melica geyeri Beecher Crampton 1967-5-15 7936 Napa Sonoma County Napa County line 4 miles northwest of Calistoga on Hwy 128 Comment
  UC187217  Melica geyeri Joseph P. Tracy 1902-5-15 1468 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 396 Comment
  JEPS122948  Melica harfordii Jake Ruygt 1988-5-1 2169 Napa Cleary Reserve. Quad: Aetna Springs. Comment
  POM126094  Melica subulata Joseph P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's. 396 Comment
  CAS-BOT-BC264212  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CAS-BOT-BC264217  Melica torreyana Peter H. Raven 1964-5-9 19074 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC264223  Melica torreyana John Thomas Howell 1931-4-2 6079 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  JEPS129103  Melica torreyana Jake Ruygt 2016-5-3 6227 Napa Ridge S of Oil Well Road; E side of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  RSA10676  Melica torreyana C. B. Wolf 1928-5-3 1812 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  SACT001542  Melica torreyana John Willoughby 1977-4-20 Napa blue oak woodland/chaparral ecotone; in shade of Quercus wislizenii 365.76 Comment
  SEINET200624 Image available Melica torreyana J. P. Tracy 1933-6-2 12465 Napa Howell Mtn Rd 5 mi E of St Helena 305 Comment
  UC1151665  Melica torreyana Beecher Crampton 1958-4-29 4756 Napa n end Capell Valley (above Capell Creek) Comment
  UC38874  Melica torreyana Willis L. Jepson 1894-5-1 Napa opposite mouth of Conn Valley (Red Ridge); Napa River Basin, Red Ridge Comment
  UCD163272  Melica torreyana D. Slakey; CNPS Volunteers 2015-4-25 117 Napa Sensitive Plant Canyon', about 900 m SSW of Campground at the west end of Hunting Creek Rd., near Knoxville. 335 Comment
  UCD36953  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  CHSC102536  Melilotus indicus Lowell Ahart 2009-10-27 16487 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  UC2061507  Melissa officinalis Dean G. Kelch 2016-7-9 16 .153 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  CHSC102250  Mentha X piperita Lowell Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 134 Comment
  JEPS120371  Mentha alopecuroides Jake Ruygt 1989-9-25 2408 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  CDA29750  Mentha pulegium M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 213 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  RSA769180  Mentha pulegium L. Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UCD20708  Mentha pulegium Mark Bibbo 2002-7-28 78 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  UCD73516  Mentha pulegium Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS63441  Mentha spicata Willis L. Jepson August, 1892 14927 Napa Napa Valley Comment
  CAS-BOT-BC428855  Micranthes californica Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS106898  Micropus amphibolus Jake Ruygt 1991-5-18 2675 b Napa Fawn Lake, Friesen's Lakes, Angwin 597 Comment
  CAS-BOT-BC348549  Micropus californicus var. californicus Peter H. Raven 1950-4-15 1754 Napa Wooden Valley Grade, above Napa 457 Comment
  JEPS85049  Micropus californicus var. californicus Larry Heckard and Mary Ashton 1969-5-3 2218 Napa off the Atlas Peak Rd ca 7 mi ne Napa; Mead Ranch 510 Comment
  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
  UC164799  Micropus californicus var. californicus Joseph P. Tracy 1902-5-14 1442 Napa near St. Helena; Northern Coast Ranges, Howell Mt. Grade 304 Comment
  UC468874  Micropus californicus var. californicus H. P. Chandler 1907-5-19 7584 Napa White Sulphur Spring St. Helena Comment
  UCD134515  Micropus californicus var. californicus M. R. Wanzer 1948-4-3 6 Napa west side of small hill, Putah Canyon, 13 miles west of Winters. Comment
  CAS-BOT-BC348964  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-21 5163 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  CAS-BOT-BC348968  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-19 6449 Napa Conn Valley Comment
  CAS-BOT-BC349101  Microseris douglasii subsp. tenella Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  CAS-BOT-BC349184  Microseris elegans David D. Keck 1931-4-4 1093 Napa Geysers just NW. of Calistoga, northwestern Napa County Comment
  POM363453  Microseris lindleyi J. T. Howell 1931-4-19 6452 Napa Conn Valley. Comment
  RSA195379  Microseris lindleyi Gilbert Muth 1967-4-16 635 Napa Snell Valley. 183 Comment
  UCD13200  Mimulus aurantiacus Charles Martin 1986-4-20 1 Napa 3 mi W of Monticello Dam along hwy 128. 304 Comment
  UCD14919  Mimulus aurantiacus Robert Giorgis 1977-4-17 11 Napa California, Napa Co.; 20 meters northwest of Highway 128, 1 mi. west of Monticello Dam; Comment
  UCD169888  Mimulus aurantiacus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 727 Napa Knoxville Wildlife Area. 311 Comment
  HSC45331  Mimulus aurantiacus var. aurantiacus R. York 1978-4-8 104 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS41084  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9096 Napa about 3 air mi s Knoxville (in canyon just sw of waterfall of Zim Zim Creek, leading to headwaters of Nevada Creek) 396 Comment
  UCD122512  Mimulus cardinalis D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  UC125330  Mimulus congdonii unknown Napa Howell Mountain Comment
  UC444809  Mimulus congdonii J. P. Tracy 1902-5-16 1506 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD21541  Mimulus douglasii B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 7 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  UC103695  Mimulus guttatus T. S. Brandegee Aug. 1888 Napa Howell Mt. Comment
  UCD170682  Mimulus guttatus 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  HSC20744  Mimulus guttatus Greg Bos 1963-3-30 68 Napa 7 mi. S of Middletown on Butte Canyon Rd. 305 Comment
  SEINET7041069  Mimulus guttatus Christopher T. Ivey 2002-5-2 360 Napa In serpentine seep on south side of Pope Creek, just east of bridge on Pope Canyon Road, 5.1 mile west of Knoxville-Berryessa Road. Comment
  SEINET7057278  Mimulus guttatus Christopher T. Ivey 2003-11-29 363 Napa Specimen grown in greenhouse from wild-collected seed. Population occured along sream margin in the Snell Valley Nature Preserve, 2.2 mile east of Pope Valley Road on Snell Valley Road. Comment
  JEPS110588  Mimulus kelloggii Jake Ruygt 1998-4-27 3941 Napa NE corner of the county, on Blue Ridge. 807 Comment
  RSA309393  Mimulus latidens W. L. Jepson 1893-4-27 31 Napa Lower Napa Valley, Napa River Basin. Comment
  CDA41703  Mimulus layneae S. E. Schoenig 1998-6-5 98 -23 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  JEPS110611  Mimulus layneae Jake Ruygt 1989-6-17 2376 Napa Bear Valley 637 Comment
  UCD169782  Mimulus layneae Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 790 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  RSA293050  Mimulus layneae Reino Alava, Lincoln Constance, Robert Ornduff 1957-5-5 765 Napa Mt St Helena. Comment
  JEPS10501  Mimulus microphyllus Mary Van E. Ferguson 1919-4-13 Napa Atlas Peak Comment
  JEPS11352  Mimulus nasutus Willis L. Jepson 1893-5-1 6 m Napa w Calistoga; Napa River Basin Comment
  UC103809  Mimulus nasutus C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena; ; Mt. St. Helena, Napa Co. Comment
Read comments
Jun 25 2013
  JEPS11152  Mimulus nudatus R. F. Hoover 1941-4-26 4928 Napa summit between Pope Valley Butts Creek Comment
  LA86543  Mimulus nudatus J. M. Tucker; 1965-5-15 3826 Napa Cedar Valley, Devilhead Road, ca. 4 mi. (airline) S, and a little W of Knoxville 655 Comment
  UC1778536  Mimulus nudatus S. E. Schoenig 1998-6-3 98 -19 Napa 200 meters W of Knoxville-Berryessa Rd. , 2 mi. S of Homestake mine;lat corrected from 35 426 Comment
  UCD96135  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-7 820 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  JEPS110596  Mimulus pilosus Jake Ruygt 1992-6-11 3026 Napa south of Mitten lake, Wild Horse Valley Ranch 438 Comment
  RSA434681  Mimulus pilosus E. S. Spalding 1929-7-4 s.n. Napa Near St. Helena. 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
  UC1245411  Mimulus pulsiferae Joseph P. Tracy 1950-5-23 18661 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain, La Jota Plateau 518 Comment
  UC1778557 Image available Mimulus pulsiferae S. E. Schoenig 1998-6-5 98 -24 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  CAS-BOT-BC467199  Minuartia californica John H. Thomas 1955-5-21 5124 Napa Sarco Creek drainage, near State Hwy 37, about 6 miles from Napa 274 Comment
  JEPS106745  Minuartia californica Jake Ruygt 1978-3-12 242 Napa .8 miles northeast of Buuts Canyon Rd. on Snell Valley Rd. 185 Comment
  JEPS22478  Minuartia californica Willis L. Jepson 1893-4-26 Napa La Lomita Napa River Basin Comment
  RSA195382  Minuartia californica Gilbert Muth 1967-4-16 640 Napa Snell Valley. Comment
  JEPS106747  Minuartia douglasii Jake Ruygt 1981-5-3 1010 Napa south side of American Canyon Rd.,.3mile east of Flosden Rd. 33 Comment
  JEPS84704  Minuartia douglasii John W. Willoughby 1977-4-20 2140 Napa below and just to s of Mount Vaca (w side of ridge); Vaca Mountains, Blue Ridge 457 Comment
  SEINET4173667 Image available Monardella villosa Jack Major 1961-6-13 545 Napa Monticello Dam, State Hwy 128 Comment
  UCD20754  Monardella villosa M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 103 Napa McLaughlin UC Reserve. Devilhead Rd. 2.5 road miles S of jct. with Knoxville-Berryesa Rd. W side of the road by small perennial creek. 487 Comment
  CAS-BOT-BC220617  Monardella villosa Peter H. Raven 1952-5-31 4134 Napa Summit of hills s.w. of Rector Canon [Canyon] 304 Comment
  POM126651  Monardella viridis Katherine Brandegee s.n. Napa Angwin s Comment
  UC1602273  Monardella viridis Jepson 1893-5-4 32 f Napa Mt. St. Helena Comment
  UC1995309  Monardella viridis John Thomas Howell 1937-7-4 13060 Napa Wooden Valley Grade Comment
  UCD166669  Monardella viridis Jake Ruygt 1996-6-15 3746 Napa White Cliff Springs, above Soda Valley (Soda Spring). 384 Comment
  JEPS110825  Monardella viridis subsp. viridis Jake Ruygt 1982-7-18 1368 Napa Cedar Roughs near Guilliam Springs 298 Comment
  JEPS110827  Monardella viridis subsp. viridis Jake Ruygt 1988-7-12 3513 Napa Taylor property, south of Lake Hennessey boatramp on private r 445 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
  JEPS106889  Monolopia major Jake Ruygt 1993-5-1 3234 Napa Cedar Creek Rd, at Pocock Creek. 487 Comment
  UC195823  Monolopia major C. F. Sonne Apr 1888 Napa field near Napa Junction Comment
  CAS-BOT-BC444850  Montia fontana G. DeNevers 1982-3-21 1940 B Napa Napa Range Mt. Along Atlas Peak Road Comment
  UCD23397  Montia perfoliata Julia Knorr 1977-4-16 5 Napa White and purple flowers. Foothill woodland, N facing slope, full shade. 6.4 miles W from Monticello Dam on Highway 128. Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  JEPS45794  Nassella lepida Eleanor Armstrong 1932-6-8 190 Napa 4 mi sw Mt. Mill House; Mt. St. Helena 304 Comment
  UCD87825  Nassella lepida Beecher Crampton 1956-5-25 3481 Napa Howell Mountains, above Wooden Valley. Comment
  UCD87831  Nassella lepida Beecher Crampton 1957-6-4 4102 Napa North end of Capell Valley. Comment
  UC1011035  Nassella pulchra Virginia Bufford and M. S. Baker Apr 1936 246 Napa on Monticello Hwy 5 1/2 mi from Napa Comment
  UC1011036  Nassella pulchra Milo S. Baker 1936-4-8 8171 Napa on Monticello Hwy 5 mi from Napa Comment
  UC187237  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  UCD18148  Nassella pulchra Jean Shepard; with PLB 102 class 2000-4-29 203 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
  UCD87480  Nassella pulchra Beecher Crampton 1962-5-16 6433 Napa 0.5 mile W of Aetna Springs. Comment
  CAS-BOT-BC230259  Navarretia cotulifolia Joseph Andorfer Ewan 1934-4-30 8857 Napa E end of Pope Valley Comment
  RSA73730  Navarretia cotulifolia J. T. Howell 1939-4-30 14626 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
  UCD167175  Navarretia divaricata subsp. vividior Jake Ruygt 2006-7-3 5066 Napa Mead Ranch on 'Old Wagon' trail. 472 Comment
  UCD167176  Navarretia heterandra Jake Ruygt 2006-6-13 5054 Napa At the mouth of Harris Canyon, east of Lake Berryessa. 173 Comment
  UC1177371  Navarretia heterodoxa Peter H. Raven 1950-6-20 2391 Napa on nne side Howell Mtn. (road to Pope Valley) Comment
  POM258871  Navarretia heterodoxa J. T. Howell 1937-7-4 13056 Napa Wooden Valley Grade Comment
  RSA3362  Navarretia jepsonii Katherine Brandegee 1910-7-26 s.n. Napa Near Aetna Springs Comment
  UC142968  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UC908643  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UC155179  Navarretia mellita Katharine Brandegee 1910-7-20 Napa Pope Valley Comment
  UCD167189  Navarretia mellita Jake Ruygt 2010-6-10 5607 x Napa About 1/2 mile north of Mays Flat on top of Blue Ridge. 737 Comment
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  UCD48586  Navarretia mellita Beecher Crampton 1965-6-30 7393 Napa summit of Mt. Vaca, Vaca Mountains. 872 Comment
  UC1051755  Navarretia pubescens Helen K. Sharsmith 1953-6-15 4184 Napa se slope Capell Valley (just w of junction of Capell Valley and Monticello roads); Inner North Coast Ranges, Capell Valley 274 Comment
  UCD19314  Navarretia pubescens M. A. Bibbo; E. Dean 2001-7-6 6 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  JEPS70416  Navarretia pubescens Willis L. Jepson 1892-7-28 20964 Napa near Knoxville (ne Napa Co.); Mountain Region of Clear Lake Comment
  RSA92795  Navarretia pubescens P. H. Raven 1951-3-26 2879 Napa Butts Canyon . 305 Comment
  SD131880  Navarretia pubescens Barbara Ertter, Annetta Carter 1989-5-28 8495 Napa Schoolhouse Cove on NW end of Lake Berryessa 500 Comment
  UC1221750  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Martley Canyon Vaca Mountains (along State Hwy 128) Comment
  JEPS70465  Navarretia squarrosa Willis L. Jepson 1903-9-7 2353 Napa w of St. Helena (above St. Helena Reservoir); Napa River Basin, York Creek Comment
  UCD167200  Navarretia squarrosa Jake Ruygt 1987-7-11 2066 b Napa 0.2 miles west of Mt. Millhouse Camp on Highway 29. 487 Comment
  JEPS110945  Navarretia tagetina Jake Ruygt 1986-5-24 1784 Napa Butts Canyon Rd. at Ink Grade 237 Comment
  JEPS70479  Navarretia tagetina W. L. Jepson 1930-10-19 15689 Napa Pope Valley Comment
  JEPS70485  Navarretia tagetina W. L. Jepson 1894-10-14 15022 Napa sw of Calistoga (hills back of Rebecca Ranch); Napa River Basin Comment
  JEPS16709  Navarretia tagetina Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4125 Napa 5.25 mi n Calistoga (along road to Middletown (State Highway 29)) 411 Comment
  JEPS70512  Navarretia viscidula W. L. Jepson 1901-8-6 1736 Napa near Bottle Mt.; Napa River Basin, St. Helena Comment
  JEPS106578  Nemacladus montanus Jake Ruygt 1989-4-22 2286 Napa NE corner of HWY 128 and Berryessa-Knoxville Rd.,Capell Cyn. 207 Comment
  SEINET10461249  Nemacladus montanus Mason 1935-5-30 Mason 10000 Napa 4 miles north of Knoxville Mines Comment
  SEINET10461259  Nemacladus montanus Jussell JUSSELL s.n. Napa Napa Comment
  SEINET10873472  Nemacladus montanus Jussell 1920-5-4 JUSSELL s.n. Napa Napa Comment
  SEINET1869547  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-1 4508 Napa Barren serpentine slopes above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake reservoir. Comment
  SEINET3815174 Image available Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa above Soda Creek along State Hwy 28, 8.2 miles E of Conn Lake (resevoir Comment
  CHSC45839  Nemophila heterophylla Lowell Ahart 1976-3-7 1027 Napa On a steep slope, about 1/4 mile south of the road, about 2 miles south-west of the Monticello Dam. 152 Comment
  UCD169883  Nemophila heterophylla Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 722 Napa Knoxville Wildlife Area. 238 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
  UCD73400  Nemophila heterophylla 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
  POM203711  Nemophila heterophylla J. T. Howell 1931-4-2 6063 Napa Wooden Valley Grade, 5 miles east of Napa 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
  UCD23400  Nemophila heterophylla Eva Kurth 1977-4-10 182 Napa Corolla white. On rocky, SE facing slope 200 yds east of Monticello Dam on Highway 128. Comment
  UCR267439  Nemophila menziesii Stephen P. Rae, Ayzik Solomeshch 2006-4-25 s.n. Napa Howell Mountain Plateau, c. 1 km west of Anguin; McCrane property 526 Comment
  UC146215  Nemophila menziesii Joseph P. Tracy 1903-5-16 1839 Napa near Calistoga (Napa Valley); Northern Coast Ranges, , near Calistoga 91 Comment
  UCD23409  Nemophila menziesii Jonathan M. Irvine 1977-4-16 113 Napa Hwy. 128, 6.4 miles SSW of Monticello Dam. Soil is rocky clay, Knoxville formation. Mixed woodland, west facing gentle dry slope. Comment
  JEPS110862  Nemophila menziesii var. atomaria Jake Ruygt 1995-3-21 3409 Napa In small meadow on floodplain of creek; igneous rock; Mixed Evergreen Forest 108 Comment
  UCD166672  Nepeta cataria Jake Ruygt 1992-8-3 3114 Napa Green Valley Ranch, end of Green Valley Road. 295 Comment
  JEPS12278  Nicotiana acuminata var. multiflora W. L. Jepson 1939-9-11 19475 Napa near St. Helena (flats near Napa River) Comment
  SD58461  Nicotiana acuminata var. multiflora Helen-Mar Wheeler 1942-11-2 503 Napa South end of Conn Creek Road at the bridge over Conn Creek, Conn Valley Comment
  UCD132729  Olea europaea Ramona Robison 2012-4-26 s.n. Napa Bale Gristmill State Historic Park, Near parking area and around historic mill. 121 Comment
  JEPS120332  Orobanche fasciculata Jake Ruygt 1985-3-31 1517 Napa Devil's Canyon. Sonoma 7.5' Quad. Comment
  UCR23528  Orobanche uniflora John C. Roos 1939-5-6 293 Napa Napa Range, (near Angwin?) Comment
  UCD160568  Osmorhiza berteroi G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  JEPS122734  Oxalis micrantha Jake Ruygt 1993-4-13 3206 Napa Yountville Ecological Reserve, Yountville Cross Road. Quad: Yountville. Comment
  UCD167259  Oxalis micrantha Jake Ruygt 2000-4-12 4230 Napa Silverado Trail at Deer Park Road. 68 Comment
  OBI15512  Packera clevelandii Robert F. Hoover 1966-8-23 9937 Napa Butts Cyn, near Lake co. line Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  JEPS17410  Packera eurycephala var. eurycephala W. L. Jepson 1938-6-11 19009 Napa Knoxville Ridge 731 Comment
Read comments
Jun 12 2012
  UC1070187  Packera eurycephala var. eurycephala B. O. Schreiber 1938-4-24 2506 Napa 0.5 mi nw Knoxville; Reiff Quad. 609 Comment
  CAS-BOT-BC316939  Packera greenei Pierson Durbrow 1925-5-19 s.n. Napa Bucks Canyon, north of Aetna Springs Comment
  JEPS89345  Packera greenei Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10806 Napa Butts Canyon Rd. near junction w/ Snell Rd.; North Coast Ranges 204 Comment
  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
  SEINET11807295  Packera greenei F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -330 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS122965  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-5 1748 Napa NW slope of Mt. George. Quad: Mt. George. Comment
  JEPS122967  Panicum acuminatum var. acuminatum Jake Ruygt 1998-6-20 4041 b Napa Near Onion Flat, Palisades trail from RLSSP. Quad: Detert Reservoir. Comment
  UCD89499  Panicum capillare Beecher Crampton 1963-9-19 6897 Napa n. end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  JEPS122962  Panicum dichotomiflorum Jake Ruygt 1992-8-31 3135 Napa Wild Horse Valley Ranch, Leoma Lakes. Quad: Mount George. Comment
  JEPS106391  Parvisedum pumilum Jake Ruygt 1977-5-1 201 Napa east end of Westgate Drive, Silverado Country Club 121 Comment
  UC571849  Parvisedum pumilum H. L. Mason 1935-5-5 3645 Napa 3 mi s of Napa City Comment
  JEPS70594  Paspalum dilatatum R. S. Pearse Napa Napa; Soda Springs Road Comment
  CAS-BOT-BC202809  Paxistima myrsinites James R. Shevock; Roger Raiche 1989-4-17 11850 Napa Trail to the Cedars off of California hihway 29 east of Roert Louis Stevenson Memorial State Park 762 Comment
  UCD17972  Pectocarya pusilla Ellen Dean; Kate Mawdsley 2001-4-9 691 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD123316  Pedicularis densiflora Chas. Heiser 1947-3-29 1889 Napa about 7 miles east of Napa. 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-BC71383  Pellaea mucronata John Thomas Howell 1930-3-23 4566 Napa Crater Country near Mt. St. Helena Comment
  UCD67770  Pellaea mucronata var. mucronata D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve, at Hunting Canyon. 680 Comment
  SEINET13260501  Pellaea ornithopus Unknown 1934-1 8671 Napa Sarco Creek, 5 mi above Napa Comment
  HSC43907  Penstemon heterophyllus Robert M. Specht 1977-5-14 894 Napa At junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  SJSU1365  Penstemon heterophyllus J. W. Tilden 1953-5-24 1037 Napa NE slope Mt St Helena 457 Comment
  UCD40894  Penstemon heterophyllus Katherine Countrey 1983-5-29 20 Napa On Berryessa-Knoxville Rd. 3 miles northwest of Knoxville. 304 Comment
  JEPS7571  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1923-6-3 9970 Napa Calistoga Napa Valley, Calistoga Comment
  UC397392  Penstemon heterophyllus var. purdyi Katharine Brandegee 1910-7-27 Napa Angwin's Comment
  CAS-BOT-BC245717  Penstemon newberryi var. sonomensis H. E. McMinn 1922-3-27 52 Napa From fop of Mt. St. Helena Comment
  JEPS60091  Pentagramma triangularis subsp. triangularis W. L. Jepson 1943-5-15 20777 Napa Knoxville Ridge Comment
  HSC103454  Pentagramma triangularis subsp. triangularis Thomas W. Nelson, Jane Nelson 1981-4-14 6401 Napa Along Devil's Head Rd., .5 mi. from junction with Morgan Valley Rd., at junction with road to Hunting Creek 549 Comment
  UC474216  Pentagramma triangularis subsp. triangularis H. F. Copeland 1925-3-13 Napa Putah Creek Comment
  UCD161739  Perideridia kelloggii Jake Ruygt 1992-7-22 3107 Napa south end of Wooden Valley, Wild Horse Valley Ranch. 179 Comment
  UC1312888  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Rimo Bacigalupi 1967-7-6 3783 Napa 2.6 mi nw Lake Hennessey; Conn Valley 121 Comment
  UCD127876  Perideridia oregana Robert E. Preston 1987-6-16 563 B Napa ca. 1.5 miles southeast of of Big Chain. 182 Comment
  UCD48848  Petrorhagia dubia M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 18 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  JEPS110852  Phacelia corymbosa Jake Ruygt 1988-5-29 2190 Napa sensitive plant canyon SE of Hunting Creek campground 411 Comment
  JEPS110797  Phacelia distans Jake Ruygt 1986-4-29 1674 Napa Knoxville, approx. 1/2 mile north of old town site 423 Comment
  UC24346  Phacelia distans Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  SEINET5760572  Phacelia distans M. J. Williams 1967-5-7 s.n. Napa Howell Mountain, between St. Helena and Angwin 259 Comment
  JEPS2346  Phacelia divaricata W. L. Jepson 1893-5-2 21020 Napa Pope Valley grade from Calistoga Napa Valley (that is, in Napa Range e of Calistoga) Comment
  JEPS78808  Phacelia egena John W. Willoughby 1977-4-20 2171 Napa just below top of main ridge (w side of range, latitude approx. that of Mt. Vaca); Vaca Mountains Comment
  RSA51274  Phacelia egena Peter H. Raven 1950-5-6 2008 Napa Dry bed of the west branch of the Napa River where it meets route 29 approximately one mile west of Calistoga. 91 Comment
  UC24385  Phacelia imbricata Edw. L. Greene July 1891 Napa near St. Helena; ; near St. Helena Comment
  JEPS110865  Phacelia imbricata subsp. imbricata Jake Ruygt 1977-4-17 190 Napa Oat Hill Mine Rd., .2 mile east of HWY 29 176 Comment
  JEPS2167  Phacelia imbricata subsp. imbricata W. L. Jepson 1897-5-2 21049 Napa e St. Helena Comment
  RSA133981  Phacelia imbricata subsp. imbricata Lincoln Constance, L. R. Heckard 1951-4-15 3371 Napa Silverado Trail, one mile east of St. Helena. Comment
  UCD166689  Phacelia imbricata subsp. imbricata Jake Ruygt 1998-5-16 3966 b Napa Maggies Peak, near Bismark Knob. 594 Comment
  JEPS126045  Phacelia suaveolens var. suaveolens Jake Ruygt 1989-5-13 2323 Napa Vaca Mount about 1 mile north of Mt. Vaca. Mount Vaca 7.5' Quad. Comment
  JEPS122957  Phalaris lemmonii Jake Ruygt 1987-4-22 1961 Napa Ragg ridge (Quail Ridge Preserve. Quad: Cuttings Wharf. Comment
  RSA92823  Phalaris paradoxa P. H. Raven 1952-5-29 4095 Napa Napa River, 1 mile N. Napa. 61 Comment
  JEPS71124  Phlox gracilis Mrs. D. O. Hunt 1909-4-8 Napa St. Helena Comment
  UCD169785  Phoradendron bolleanum Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 793 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  POM280308  Phoradendron bolleanum subsp. densum Lyman D. Benson 1935-2-25 6245 Napa N Base Mt St Helena. Mayacamas mtn range, Putah Creek watershed. Napa-Lake Cos. 549 Comment
Read comments
Jan 25 2016
  UCR80867  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  HSC15919  Phoradendron serotinum subsp. tomentosum Greg Bos 1963-3-30 54 Napa St. Helena Mtn., S slope 305 Comment
  JEPS129051  Phoradendron serotinum subsp. tomentosum Jake Ruygt 2016-7-2 6290 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  JEPS110811  Phoradendron villosum Jake Ruygt 1979-5-20 614 Napa 1.6 miles north of White Cottage Rd. on Summit Dr. 694 Comment
  UC466696  Physocarpus capitatus H. P. Chandler 1907-5-12 7565 Napa White Sulphur Spring St. Helena Comment
  UCD113674  Physocarpus capitatus B. Crampton 1954-5-20 1921 Napa Along Conn creek, Sage Canyon, Hwy. 128, 3 miles east of Rutherford. Comment
  UC1197436  Pickeringia montana var. montana Joseph P. Tracy 1899-7-6 398 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  SEINET3221128 Image available Pinus attenuata Royal D. Suttkus 1967-6-26 67- 30 -4 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC1001192  Pinus attenuata Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5338 Napa n side of Pope Creek; up a canyon, between Samuels Springs and Walters Springs 243 Comment
  SEINET267026  Pinus ponderosa Royal D. Suttkus 1967-6-26 673042 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS46896  Pinus sabiniana W. L. Jepson 1906-12-1 Napa St. Helena Comment
  JEPS120444  Piperia transversa Jake Ruygt 1995-6-17 3503 Napa Southeast corner of Butts Canyon Road at Snell Valley Rd. Comment
  UC1196425  Piperia transversa J. P. Tracy 1899-6-14 446 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  POM126349  Plagiobothrys bracteatus Joseph P. Tracy 1903-5-15 1852 Napa 2 miles below Calistoga 91 Comment
  UC55913  Plagiobothrys bracteatus J. P. Tracy May 15 1903-May 18 1903 1852 Napa 2 mi below Calistoga (Napa Valley); Napa Valley 91 Comment
  JEPS106768  Plagiobothrys greenei Jake Ruygt 1986-4-5 1683 Napa Suscol ridge east of HWY 221 231 Comment
  UCD48654  Plagiobothrys nothofulvus M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 24 Napa Quail Ridge UC Reserve, northern tip of peninsula. 243 Comment
  UCD21504  Plagiobothrys stipitatus var. micranthus Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4406 Napa Quail Ridge Reserve. 262 Comment
  UCD47947  Plagiobothrys stipitatus var. micranthus Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 1 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 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
  UCD48658  Plagiobothrys stipitatus var. micranthus A. Van Houtte; E. Leger and C. Hohn 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., around entire rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  CAS-BOT-BC228493  Plagiobothrys strictus Peter H. Raven 1950-5-6 2024 Napa Near Old Faithful Geyser N of Calistoga 182 Comment
  CAS-BOT-BC228495  Plagiobothrys strictus Alice Eastwood 1900-5-7 s.n. Napa Calistoga Comment
  CAS-BOT-BC228496  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  UC573077  Plagiobothrys strictus H. L. Mason 1926-3-20 2754 Napa meadow near geysers; Calistoga Comment
  RSA0008560  Plagiobothrys strictus D. D. Keck 1931-4-4 1095 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS106903  Plagiobothrys tenellus Jake Ruygt 1991-5-4 2640 Napa betweed Fawn Lake and Granite Lake Friesen's Lakes 603 Comment
  UC55911  Plagiobothrys tenellus J. P. Tracy 1902-5-18 1539 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 518 Comment
  JEPS68146  Plagiobothrys tenellus W. L. Jepson 1938-5-25 18867 Napa Bell Canyon Napa Range, Howell Mt. 579 Comment
  JEPS106758  Plagiobothrys tener var. tener Jake Ruygt 1990-4-21 2498 Napa Giles Mead Ranch, Atlas Peak Rd. 429 Comment
  CDA10892  Plantago erecta G. F. Hrusa, M. Rejmanek 1993-5-15 10987 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS127854  Plantago erecta Adam C. Schneider with Dick O'Donnell 2013-5-26 236 Napa Just west of intersection between Snell Valley Road, Stagecoach Canyon Road, and Spanish Valley Trail. Comment
  JEPS6451  Plantago erecta W. L. Jepson 1900-3-10 530 Napa St. Helena Comment
  UCD18154  Plantago erecta Jean Shepard; with Plant Biology 102 class 2000-4-29 192 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
  UCD48070  Plantago erecta Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 14 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  UCD81817  Plantago erecta Ellen Dean 2009-4-24 5444 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC585983  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knight's Valley road); Northern Coast Ranges 213 Comment
  JEPS7122  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa e of Yountville Comment
  RSA523626  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa Hills to east of Yountville, on east side of road. Comment
  UCD164741  Plantago major Jake Ruygt 2014-7-7 6020 Napa Pope Creek. Pope Canyon. 188 Comment
  HSC16791  Platystemon californicus Greg Bos 1963-3-30 67 Napa 7 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  JEPS6139  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4450 Napa near Wooden Valley Comment
  UC917296  Plectritis ciliosa subsp. ciliosa J. D. Skoss 1948-4-1 1 Napa 14 mi w of Winters (Putah Canyon); Putah Canyon 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
  JEPS4798  Plectritis macrocera Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  UC28849  Plectritis macrocera Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain, Angwin's Howell Mountain; Napa River Basin, , Angwin's Comment
  UCR27515  Plectritis macrocera John C. Roos 1939-3-27 263 Napa North Coast Ranges, Pope Valley Comment
  CHSC84556  Pleuropogon californicus John Dittes 2003-4-5 2003 -8 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
  CAS-BOT-BC260958  Pleuropogon californicus var. californicus Peter H. Raven 1957-5-5 10748 Napa Near hot springs, Calistoga 91 Comment
  UCD17987  Poa annua Ellen Dean; with Plant Biology 102 class 2001-4-14 713 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. At junction of West Loop Rd. and Decker Bay Trail. 152 Comment
  UCD73397  Poa howellii Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC246848  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  RSA0000483  Poa napensis A. A. Beetle 1946-5-7 4256 Napa 2 mi. north of Calistoga at Myrtledale Hot Springs. Comment
  SEINET7256601  Poa napensis Peter H. Raven Napa Comment
  JEPS122911  Poa pratensis Jake Ruygt 2002-5-18 4422 Napa Missimer/Snell Valley Wildflower Preserve. Quad: Aetna Springs. Comment
  RSA129899  Poa pratensis P. H. Raven 1951-5-26 2890 Napa Howell Mountain above Pope Valley 305 Comment
  RSA10674  Poa secunda C. B. Wolf 1928-5-3 1814 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD121143  Poa secunda Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7344 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Ca. 0.1 mile from Fire Station, along dirt road that travels north/northeast from Station. Near small drainage that is just west of granitic grassland on north side of road. 519 Comment
  JEPS122927  Poa secunda subsp. secunda Jake Ruygt 1991-5-25 2698 Napa Paradise Valley. Quad: Jericho Valley. Comment
  UCD90839  Poa secunda subsp. secunda Beecher Crampton 1965-5-13 7333 Napa 11 miles E of Rutherford, State Hwy. 128. Comment
  UCD90997  Poa secunda subsp. secunda Frank Gordon 1924-5-1 s.n. Napa Suisun Valley. Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  JEPS62444  Pogogyne douglasii W. L. Jepson 1896-6-2 14902 Napa St. Helena Comment
  UC883696  Pogogyne douglasii Alice Eastwood 1915-6-5 4626 Napa Calistoga Comment
  JEPS110820  Pogogyne serpylloides Jake Ruygt 1994-5-17 3377 Napa Bennett Lane, Butts Canyon Road; Juliana Vineyards 252 Comment
  SEINET9289847  Pogogyne serpylloides Unknown 1993-5-1 10972 Napa Napa Co., CA Comment
  UCD21501  Pogogyne serpylloides Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4403 Napa Quail Ridge Reserve. 262 Comment
  UC1537006  Polygala californica Gordon H. True Jr. 1937-6-21 742 Napa near Lokoya Lodge 365 Comment
  UCD170183  Polygala californica Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 774 Napa Knoxville Wildlife Area, northwest of Zim Zim Falls. 463 Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  SEINET5744520 Image available Polygala californica Timothy P. King 1973-1 115 Napa E side of State Hwy 121, 9.6 miles from its junction with State Hwy 128, W side of Lake Berryessa.; Lake Berryessa Comment
  JEPS110850  Polygonum arenastrum Jake Ruygt 1989-7-18 2400 Napa Willis Drive, Napa 15 Comment
  CAS-BOT-BC109157  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109161  Polygonum bolanderi C. G. Pringle 1882-10-9 s.n. Napa Napa Hills. Comment
  JEPS112595  Polygonum lapathifolium Jake Ruygt 1969-12-31 2837 Napa Buchli Station, DFG Huichica Creek prop. 1 Comment
  JEPS115683  Polygonum lapathifolium Lowell Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  UC1198080  Polygonum lapathifolium Joseph P. Tracy 1905-7-3 2204 Napa near Calistoga; Northern Coast Ranges, Napa Valley Comment
  JEPS112597  Polygonum marinense Jake Ruygt 1989-7-9 2397 Napa Fagan Marsh 1 Comment
  JEPS112608  Polygonum parryi Jake Ruygt 1986-6-14 1819 Napa Craters 719 Comment
  JEPS112590  Polygonum persicaria Jake Ruygt 1978-8-29 403 Napa .6 mile north of Hoffman Lane on Solano Avenue 24 Comment
  JEPS112592  Polygonum punctatum Jake Ruygt 1969-12-31 2410 Napa Napa River about 1/2 mile north of Trancas St., Napa 3 Comment
  UC1562672  Polygonum punctatum Barbara Ertter with Elizabeth Neese 1988-10-2 7953 Napa on creek below spillway on N side of Rt. 128 (ca 15 air mi nnw of Napa); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UC703049  Polygonum ramosissimum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf Napa River Comment
  CHSC46172  Polypodium californicum Lowell Ahart 1976-3-7 1023 Napa About 2 miles south-west of the Monticello Dam. 152 Comment
  CAS-BOT-BC72055  Polypodium calirhiza Peter H. Raven 1957-5-5 10770 Napa hills at western end of Calistoga 182 Comment
  CAS-BOT-BC76855  Polypodium calirhiza Peter H. Raven 1954-1-22 6380 Napa Sulphur Springs Resort, west of St. Helena. 121 Comment
  UC1440073  Polypodium calirhiza Alan Smith 1976-11-23 691 Napa Glass Mt. Rd. Comment
  SJSU8157  Polystichum californicum D. L. Blair 1968-4-5 Napa ravine in Cleary Reserve, Pope Valley Comment
  UC34077  Polystichum californicum L. R. Heckard 1964-5-23 1363 Napa ca. 2 mi. s.w. Aetna Springs (Cleary Reserve, at foot of falls of Swartz Creek); Cleary Reserve, Swartz Creek 365 Comment
  CDA42356  Polystichum californicum D. G. Kelch 2012-7-14 12 .222-B Napa Bothe-Napa State Park. Comment
  UC1242055  Polystichum californicum Don Branscomb 1959-2-2 Napa between Calistoga and Napa (Mill Creek Canyon); Mill Creek Canyon Comment
  CAS-BOT-BC72465  Polystichum munitum Evelina Cannon 1901-7-20 s.n. Napa Johannisberg, side of Mt. Veeder Comment
  UCD110657  Populus fremontii subsp. fremontii M. Wiesendanger 1926-4-1 1509 Napa location unknown. Comment
  JEPS129039  Potamogeton diversifolius Jake Ruygt 2016-5-21 6261 Napa Wantrup Wildlife Preserver, Hardin Road. Santa Helena 7.5' Quad. Comment
  CAS-BOT-BC158580  Prunus Alice Eastwood 1922-5-5 11295 Napa Mt. St. Helena Comment
  JEPS44630  Prunus ilicifolia Frank A. Leach 1923-4-30 Napa about 3 or 4 mi e of Napa 243 Comment
  CAS-BOT-BC151176  Prunus subcordata W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  JEPS44925  Prunus virginiana var. demissa W. L. Jepson 1897-4-30 13841 Napa sw of Calistoga (Upper Napa Valley, Rebecca Ranch grade); Hoods Peak Range, Upper Napa Valley, Rebecca Ranch grade Comment
  UCD113521  Prunus virginiana var. demissa Beecher Crampton 1960-5-17 5537 Napa 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  JEPS84600  Pseudognaphalium luteoalbum John W. Willoughby 1979-5-25 4298 Napa 1 mi s Signal Hill (below stock pond); Vaca Mountains, Pansy Flats 609 Comment
  UCD63178  Pseudognaphalium microcephalum Jake Ruygt 1988-3-26 2138 Napa east of Toll canyon on Blue Ridge. 673 Comment
  UCD161687  Pseudognaphalium stramineum Jake Ruygt 2008-8-16 5367 Napa northeast of Napa Airport, Napa Sanitation ponds. 2 Comment
  CAS-BOT-BC80152  Pseudotsuga menziesii Elsa G. Ruckert 1960-2-27 12 Napa 6495 Dry Creek Road, west of house 365 Comment
  POM21753  Pseudotsuga menziesii D. O. Hunt 1899-2-26 s.n. Napa Glass Mountain, St. Helena. Comment
  SEINET265709  Pseudotsuga menziesii Royal D. Suttkus 1967-6-26 67- 30 -14 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  JEPS106884  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1983-5-13 1461 Napa Suscol ridge east of HWY 29(221) 27 Comment
  JEPS106886  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1992-6-2 3017 Napa Mitten Lake, Wild Horse Valley Ranch 409 Comment
  CAS-BOT-BC421125  Pterostegia drymarioides David D. Keck 1931-4-2 1024 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE. of Napa 170 Comment
  CAS-BOT-BC421126  Pterostegia drymarioides Peter H. Raven 1953-4-2 5248 Napa Hills e. of Imola 121 Comment
  JEPS85023  Pterostegia drymarioides Larry Heckard and Mary Ashton 1969-5-3 2217 Napa ca. 7 mi. n.e. Napa (off Atlas Peak Rd., above and w. of the meadow, Mead Ranch); Mead Ranch 510 Comment
  UCD92220  Puccinellia simplex Beecher Crampton 1955-3-15 2327 Napa Napa County, 2 miles north of Calistoga, near Myrtledale Hot Springs. Comment
  UCD92252  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  UCR141075  Puccinellia simplex Beecher Crampton 1955-3-15 2327 Napa North Coast Range, 2 miles north of Calistoga, near Myrtledale Hot Springs 107 Comment
  CAS-BOT-BC362358  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  JEPS37946  Quercus W. L. Jepson 1916-8-6 6825 Napa Howell Mt. Comment
  CAS-BOT-BC62709  Quercus X chasei Peter H. Raven 1951-6-26 3086 Napa Capell Valley to Wooden Valley 304 Comment
  SFV890  Quercus X ganderi D. Q. Cavagnaro 1965-6-26 s. n. Napa La Jolla quicksilver mine, north slope of Mount St. John, 7 miles northwest of Oakville. Comment
  UCR88371  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa Quail Ridge Reserve, near Lake Berryessa. 146 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
  CAS-BOT-BC61811  Quercus agrifolia Elsa G. Ruckert 1960-3-26 50 Napa 6495 Dry Creek Road. 300 yards from house on private road 365 Comment
  JEPS37708  Quercus agrifolia W. L. Jepson 1895-11-25 Napa St. Helena Comment
  JEPS37806  Quercus agrifolia W. L. Jepson 1937-4-10 18004 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD45019  Quercus agrifolia D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD14829  Quercus berberidifolia John M. Tucker 1950-11-12 2014 -2 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45241  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi east of Conn Valley Dam, beside road to Monticello. Shale soil, shrubs on steep hillside. (Sheet No. 1, each twig from a separate shrub.) Comment
  UCSB58649  Quercus berberidifolia Morley, Thomas 1941-5-11 Napa west bank of Putah Creek immediately above junction with Butts Creek 140 Comment
  CAS-BOT-BC62462  Quercus chrysolepis John Thomas Howell 1926-10-3 2201 Napa Mt. St. Helena Comment
  UCD45347  Quercus chrysolepis D. Sanchez-Mata 1996-6-22 s.n. Napa Pope Valley-Napa Valley. Angwin. Quercus wislizenii forests. 520 Comment
  CAS-BOT-BC85938  Quercus douglasii M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles NE Cliff Spring Comment
  UC993144  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UC993146  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  UC993148  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
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45721  Quercus douglasii J. M. Tucker 1948-9-5 1868 18 Napa South side of Highway 12 (road from Napa to Sononma), ca. 1/4 mile east of the Sonoma-Napa county line, in Napa County, California. Comment
  CAS-BOT-BC86434  Quercus dumosa John Thomas Howell 1933-8-27 11647 Napa E of Chiles Valley on road to Winters, Napa Range Comment
  CAS-BOT-BC79836  Quercus durata Margaret J. Williams; Wayne Roderick 1984-5-22 84- 13 -1 Napa Hwy 29, 0.3 mi into Lake County from Napa County 396 Comment
  CAS-BOT-BC79839  Quercus durata John M. Tucker; G. L. Stebbins 1950-11-5 2011 -7 Napa below Conn Valley dam, hillside across creek from the picnic area Comment
  JEPS37340  Quercus durata W. L. Jepson 1894-10-13 Napa Upper Conn Valley Comment
  JEPS37351  Quercus durata W. L. Jepson 1930-10-19 15693 Napa Butts Canyon Comment
  SACT002640  Quercus durata Ira Wiggins, R. Ferris 1933-6-2 Napa 10 miles north of Howell Mount Comment
  UCD14820  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -14 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14842  Quercus durata John M. Tucker 1950-11-12 2014 -20 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD18113  Quercus durata K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 52 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
  UCD45966  Quercus durata David Slade 1982-5-27 72 Napa Highway 128 3.8 miles W of Moskowite Corner, 1000 feet. 304 Comment
  UCD45929  Quercus durata var. durata Thomas Morley 1941-5-11 130 A Napa On north bank of Butts Creek 1/4 mile west of its junction with Putah Creek, Napa County. Elevation 480 feet. 146 Comment
  UCD48033  Quercus durata var. durata E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 6 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  CAS-BOT-BC94258  Quercus garryana John M. Tucker 1952-9-20 2626 Napa road up Mt. St. Helena (Highway 29) 5.2 mi (by road) N of Calistoga Comment
  JEPS116536  Quercus garryana Jake Ruygt 1990-4-7 2461 Napa Lake Hinman. Yountville 7.5' Quad. Comment
  UCD148750  Quercus garryana Jake Ruygt 1999-5-14 4152 Napa Napa County; Lake Hinman, west of Yountville Veteran's Home. 109 Comment
  UCD46113  Quercus garryana W. L. Jepson 1916-8-6 6825 Napa Howell Mt. Comment
  UCD46081  Quercus garryana var. garryana J. M. Tucker 1952-4-17 2348 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
  CAS-BOT-BC105292  Quercus kelloggii John Thomas Howell 1927-8-23 3044 Napa Hills on N ridge of Chiles Valley, Napa Range 213 Comment
  CAS-BOT-BC105297  Quercus kelloggii John R. Arnold 1962-7-1 s.n. Napa North Shoulder of Mt. St. Helena Comment
  JEPS116534  Quercus kelloggii Jake Ruygt 1994-3-21 3332 Napa Lewelling Ranch, Sulphur Springs Road, St. Helena. Rutherford 7.5' Quad. Comment
  RSA623982  Quercus kelloggii T. Gertrude Williamson 1924-7-4 346 Napa Canon near S. Helena, Napa Valley. Comment
  SEINET5644379  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners.; 0 Comment
  JEPS20257  Quercus lobata W. L. Jepson 1942-11-1 20745 Napa Conn Valley Napa Range Comment
  UCD48374  Quercus lobata Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, 3 m from end of Decker Bay Trail and 20 m from edge of Lake Berryessa. 146 Comment
  UCD149631  Quercus wislizeni G. Ledyard Stebbins 1994-4-15 s.n. Napa Berryessa Dam area at Route 128. 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
  JEPS54960  Ranunculus californicus W. L. Jepson 1893-4-25 Napa summits w St. Helena Comment
  UC9417  Ranunculus californicus Willis L. Jepson 1893-4-24 Napa hills e St. Helena; Napa River Basin Comment
  JEPS110876  Ranunculus hebecarpus Jake Ruygt 1992-4-7 2894 Napa Tuteur Ranch, SW corner, Kreuze Canyon 384 Comment
  CLARK-A1528-3878  Ranunculus hebecarpus John C. Roos 1939-4-1 264 Napa Comment
  POM150527  Ranunculus lobbii C. F. Baker 1903-4-19 1997 Napa St. Helena Comment
  POM263164  Ranunculus muricatus J. C. Roos 1939-4-18 314 Napa Howell Mountain, Angwin. Comment
  UCD96259  Ranunculus muricatus M. Wiesendanger 1926-4-1 1489 Napa Napa County. Comment
  JEPS110879  Ranunculus occidentalis Jake Ruygt 1980-4-4 825 Napa Foss Valley 445 Comment
  SEINET197738  Ranunculus occidentalis R. C. Bechtel 1952-3-16 18 Napa Putah Canyon Comment
  UCD96928  Ranunculus occidentalis K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  POM268385  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  JEPS110991  Ranunculus pusillus Jake Ruygt 1992-5-3 2925 Napa Skyline Park, Napa 143 Comment
  HSC103814  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. Fred Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. 150 Comment
  JEPS24114  Rhagadiolus stellatus Mrs. Ida DeMay Wilson 1959-5-10 Napa Dry Creek Rd near Napa Comment
  OBI5246  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson ranch, Dry Crk Rd, 2mi W of Yountville Comment
  JEPS110665  Rhamnus californica subsp. californica Jake Ruygt 1990-6-4 2578 Napa Silverado Country Club near Napa City Water Treatment Plant 121 Comment
  JEPS41998  Rhamnus crocea Willis L. Jepson 1893-5-2 13971 Napa e of Calistoga (Pope Valley grade from Calistoga); Napa River Basin Comment
  UC592788  Rhamnus tomentella subsp. crassifolia unknown 1928-2-25 1506 Napa 3 mi n summit of Mt. St. Helena Grade (near Lake-Napa Cos. line) Comment
  CAS-BOT-BC56650  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 8 Napa 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Comment
  CDA29137  Rhododendron occidentale D. G. Kelch, Daniel Weinstein 2009-6-21 9 .444 Napa Near Skyline Park. Comment
  CHSC20600  Rhododendron occidentale Robert A. Schlising; Botany 222 1962-5-4 2226 Napa Coast Ranges. 1.5 mi S Lake Co line on Butts Canyon Rd. 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
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  UCD117983  Rhododendron occidentale W. R. Russell 1953-5-5 s.n. Napa Chiles Valley. Comment
  UCD117988  Rhododendron occidentale Andreas Stohr 1996-4-28 33 Napa Along Road 128. 270 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
  UCD20704  Rhododendron occidentale A. T. Leiser 1984-10-27 RLS 2 Napa Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed. Comment
  UCSB4808  Rhododendron occidentale Keator, Glenn 1959-3-28 Napa About 1/4 mile above Conn's picnic grounds near Lake Hennessey, Napa Range Comment
  CAS-BOT-BC200718  Rhus aromatica Frank A. Leach 1926-6-26 s.n. Napa Aetna Springs Comment
  CAS-BOT-BC92977  Ribes californicum var. californicum H. E. McMinn 1922-6-8 209 Napa Along Pope Creek. Comment
  UCR30481  Ribes divaricatum John C. Roos 1939-4-1 312 Napa W of Calistoga Comment
  CAS-BOT-BC168937  Ribes malvaceum Milo S. Baker 1931-4-1 5096 Napa In canyon 5 mi. N.E. of Napa on Monticello Road, on north side. Comment
  UCD102295  Ribes malvaceum G. Fields 1966-3-18 s.n. Napa 2 miles west of L. Berryessa. Comment
  JEPS49464  Ribes roezlii var. cruentum Willis L. Jepson 1894-7-19 13522 Napa Toll-House Road Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC168758  Ribes victoris Peter H. Raven 1951-6-10 2938 Napa Crater Region e. of Palisades 762 Comment
  JEPS110833  Ribes victoris Jake Ruygt 1980-5-4 876 Napa canyon near Bateman Creek 597 Comment
  JEPS49309  Ribes victoris Alice King July, 1919 Napa Napa Range, Mount St. Helena, Van Ness Ranch Mount St. Helena; Napa Range, , Van Ness Ranch Comment
  UC1299685  Ribes victoris Freed W. Hoffman 1947-3-12 761 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  POM141904  Ribes victoris W. L. Jepson 1892-05 s.n. Napa Trail to [?] Cabin. Comment
  UCD167016  Ribes victoris Jake Ruygt 1984-3-28 1511 Napa Whitehall lane. 701 Comment
  UCD167046  Ribes victoris Jake Ruygt 1988-4-11 2146 Napa Newell Canyon. 158 Comment
  UC1001195  Ribes victoris var. minus Peter H. Raven, G. L. Stebbins Jr. 1953-4-19 5329 Napa e Chiles Valley; Soda Creek 137 Comment
  UCD38692  Rigiopappus leptocladus Beecher Crampton 1957-5-16 4044 Napa North end of Capell Valley, above Capell Creek, along Hwy. 128. Comment
  CAS-BOT-BC363051  Rigiopappus leptocladus Beecher Crampton 1972-4-19 8792 Napa North end of Capell Valley Comment
  JEPS34919  Rigiopappus leptocladus W. L. Jepson 1938-5-18 18792 Napa slope above St. Helena Sanitarium; Howell Mountains Comment
  UCD69027  Rigiopappus leptocladus P. Rodriguez-Rojo 1997-4-20 Napa Lake Berryessa. Capell Creek. Base of barrens, on serpentine soils. UTM: 10SEN6659 155 Comment
  CAS-BOT-BC340993  Robinia pseudoacacia Alice Eastwood 1915-6-5 s.n. Napa Calistoga Comment
  CAS-BOT-BC340995  Robinia pseudoacacia Elsa G. Ruckert 1960-4-29 123 Napa 6495 Dry Creek Road. On private road leading to house 365 Comment
  CAS-BOT-BC74592  Rorippa curvisiliqua John Thomas Howell 1926-4-3 1782 Napa Near Yountville. Comment
  CAS-BOT-BC74598  Rorippa curvisiliqua Betty Johnston 1958-6-20 668 Napa Ca. 0.5 m. up old toll road above Mt. Mill House, 6.4 m. southwest of Middletown. Comment
  JEPS53865  Rorippa curvisiliqua Willis L. Jepson 1893-4-25 13375 Napa Edge Hill near St. Helena (Napa River Basin); , near St. Helena Comment
  UC10724  Rorippa curvisiliqua Willis L. Jepson 1893-4-27 Napa Veteran's Home , Veteran's Home (Napa River Basin) Comment
  UC673290  Rorippa nasturtium-aquaticum A. E. Borell 1928-4-13 121 Napa ten mi s Petaluma; s of Petaluma Comment
  UCD159726  Rosa gymnocarpa G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Redwoods. Comment
  CAS-BOT-BC148210  Rosa spithamea Peter H. Raven 1951-8-21 3877 Napa Mt. Veeder 792 Comment
  CAS-BOT-BC156588  Rubus bifrons Peter H. Raven 1952-5-31 4108 Napa Slough of Napa Cr. e. of Yountville 30 Comment
  JEPS110650  Rubus discolor Jake Ruygt 1987-7-11 2066 Napa .2 mile west of Mt. Millhouse Camp on HWY 29 487 Comment
  SBBG50772  Rubus parviflorus G. E. Gaboury 1971-5-8 G- 38 Napa N slope of Howell Mtn off Chiles Rd Comment
  CAS-BOT-BC156914  Rubus ursinus Peter H. Raven 1950-4-15 1733 Napa Wooden Valley Grade above Napa 274 Comment
  UCD17921  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-8 53 80 Napa California. Napa County: north of Redwood Lodge near Calistoga. Comment
  CHSC102260  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 Winters. 130 Comment
  JEPS120316  Rumex salicifolius Jake Ruygt 1992-7-7 3074 Napa Alston Park near north side of park. Napa 7.5' Quad. Comment
  SD108178  Rupertia physodes Peter H. Raven 1964-5-9 19042 Napa Edge of small grove of Sequoia along dirt road, 2.0 miles west of Aetna Springs. Comment
  UCD145262  Rupertia physodes Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-12 146 Napa UC Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation. 166 Comment
  SEINET3269560 Image available Rupertia physodes M. F. Wojciechowski, K. P. Steele 2000-5-20 889 Napa Along CA 121, 2.0 mi south of junction of 121 and Wooden Valley Rd. Comment
  UCD50254  Saccharum ravennae Jeffrey L. Firestone 2004-7-14 1 Napa McLaughlin Reserve; precisely at the intersections of Sections 1,2,11,12 of Range 5W, Township 11N. Alternately near waterline of holding ponds at western base of site 5 waste rockpile, to the southwest of the Homestake main pit and the former Manhattan mine site. Comment
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Jun 18 2012
  UCD149605  Sagina apetala 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
  CDA24079  Sagina procumbens Gene Cornett 1963-5-21 Napa Mid City Nursery, 3635 Broadway, Vallejo. 0 Comment
  POM260435  Salix L. S. Rose 1937-4-4 37020 Napa 4 miles N of Wooden Valley. 335 Comment
  CAS-BOT-BC103228  Salix bonplandiana Peter H. Raven 1953-4-2 5228 Napa Imola 60 Comment
  CAS-BOT-BC108662  Salix breweri Peter H. Raven 1951-5-26 s.n. Napa Butts Canyon [Canon] Creek Comment
  CAS-BOT-BC108667  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon Road to Middletown. Comment
  JEPS38420  Salix breweri W. L. Jepson 1930-10-19 15704 Napa Butts Canyon Comment
  RSA202411  Salix breweri Edward L Smith 1967-5-7 s.n. Napa Butts Creek, below small reservoir at upper (NW) end of Butts canyon where road from Pope Valley enters the canyon. 6.9 miles NW of Pope Valley. 213 Comment
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Sep 28 2012
  SBBG28800  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn between Pope Springs and Aetna Valley 91 Comment
  SBBG34174  Salix breweri E. L. Smith 1967-5-7 Napa Butts Crk, below small reservoir at NW end of cyn where rd from Pope Valley enters Butts Cyn, 6.9 mi NW of Pope Valley Comment
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Sep 28 2012
  SBBG58851  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn, between Pope Springs and Aetna Valley 91 Comment
  UC457172  Salix breweri David D. Keck 1931-4-3 1075 Napa along creek 5 mi ne Aetna Springs; Butts Creek Comment
  UC482099  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley; Butt Canyon Comment
  UC482101  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa between Pope Springs and Aetna Valley (about 1 1/2 mi from entrance of canyon); Butt Canyon Comment
  UCD170811  Salix eastwoodiae 2018-4-28 5 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. Along drainage leading to Maxwell Creek. 166 Comment
  POM202753  Salix exigua I. L. Wiggins 1932-3-12 5755 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC108190  Salix hindsiana C. F. Baker 1903-4-19 1996 Napa Calistoga Comment
  CAS-BOT-BC108199  Salix hindsiana Peter H. Raven 1951-6-26 3045 Napa Sarco Ck. E of Napa 60 Comment
  JEPS38404  Salix laevigata Willis L. Jepson 1893-4-29 16 s Napa Bewery Rd. York Creek; Napa River Basin Comment
  UCD164800  Salix laevigata Jake Ruygt 2008-4-24 5304 -c Napa Soscol Creek at Hwy 29. 19 Comment
  CAS-BOT-BC539357  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, S side of Napa River 85 Comment
  JEPS13840  Salix lasiolepis Willis L. Jepson 1893-3-13 32 s Napa hills e of St. Helena; Napa River Basin Comment
  RSA3944  Salix lasiolepis I. L. Wiggins 1932-3-12 5751 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  UC1356333  Salix lasiolepis Theodore J. Crovello 1964-4-15 420 Napa along w side of Silverado Trail 4 mi nw junction with California Hwy. 128 Comment
  UC519393  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 2 Napa 10 mi from Monticello (Rutherford to Monticello); Chiles Valley Comment
  CAS-BOT-BC539352  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 mi NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  POM182720  Salvia columbariae D. D. Keck 1931-4-3 1067 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UCD170679  Salvia columbariae 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
  UCD149684  Salvia sonomensis Stephen P. Rae; Ayzik Solomeshch 2006-4-14 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  JEPS106728  Sambucus mexicana Jake Ruygt 1979-5-23 630 Napa Trancas St. bridge at Napa River 6 Comment
  UCD137688  Sambucus nigra subsp. caerulea Andreas Stohr 1996-4-21 4 Napa on Road 128, on cliff above Putah Creek. 100 Comment
  JEPS110652  Sanguisorba minor subsp. muricata Jake Ruygt 1991-5-25 2688 Napa Howell Mtn Rd. at Hill Rd. 554 Comment
  JEPS45502  Sanguisorba minor subsp. muricata W. L. Jepson 1908-5-23 3007 Napa St. Helena; Sunkler Ranch Comment
  UC1784184  Sanguisorba minor subsp. muricata Ethel Crum 1930-1 813 Napa St. Helena Comment
  JEPS129017  Sanicula bipinnata Jake Ruygt 2016-5-7 6239 -X Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD18367  Sanicula bipinnatifida R. Wenk 2000-5-14 2 Napa SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd. 140 Comment
  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
  UCD81468  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UCD127974  Sanicula crassicaulis K. Esau Date Unknown s.n. Napa near Monticello. Comment
  JEPS991  Sanicula laciniata Willis L. Jepson 1893-5-1 14186 Napa Napa River Basin, Upper Napa Valley, Franz Valley Grade Franz Valley Grade; Napa River Basin, Upper Napa Valley, Franz Valley Grade Comment
  UC566847  Sanicula laciniata Herbert L. Mason 1926-3-22 Napa Petrified Forest Comment
  JEPS104494  Sanicula tuberosa Jake Ruygt 1979-3-15 456 Napa south of Milliken Canyon, east of east end of Westgate Dr. 176 Comment
  UC1197076  Sanicula tuberosa J. P. Tracy June 13,1899 - June 17, 1899 411 Napa 3-4 mi e of Angwin's (Head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 365 Comment
  UCD128041  Sanicula tuberosa G. L. Webster 1967-3-23 7497 Napa vicinity of Bear Flat, north of Red Mountain. 213 Comment
  JEPS78520  Scabiosa atropurpurea W. L. Jepson 1918-6-24 7668 Napa upper Napa Valley Comment
  CAS-BOT-BC111472  Schoenoplectus americanus Peter H. Raven 1952-8-26 5139 Napa Salt marshes near Bentley Wharf. 15 Comment
  UCD170370  Schoenoplectus pungens var. longispicatus Daniel Potter; N Khuu, K Battenberg 2016-4-30 868 Napa Along Nevada Creek, just west of Knoxville Wildlife Area boundary. 199 Comment
  JEPS110741  Scrophularia californica subsp. californica Jake Ruygt 2000-4-3 4228 Napa Henry Road, Carneros Valley. 167 Comment
  UCD20500  Scutellaria californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1071 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
  UC1713624  Scutellaria californica Lester Rowntree 1937-6-13 Napa Saca Canyon Comment
  UC634870  Scutellaria californica H. L. Mason 1934-4-30 8106 Napa 5 mi s of Putah Creek (tributary of Putah Creek, Napa) Comment
  UC1301163  Scutellaria siphocampyloides Helen K. Sharsmith 1962-6-3 5108 Napa Napa-Soda Springs Road; San Francisco Bay Region, Napa-Soda Springs Road 152 Comment
  HSC45353  Scutellaria tuberosa R. York 1978-4-8 106 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UC1713659  Scutellaria tuberosa O. H. Kappler 1941-3-3 Napa Las Trancas Comment
  POM142366  Sedella pumila A. A. Heller, H. E. Brown 1902-4-25 5360 Napa Near Napa Comment
  CAS-BOT-BC63834  Sedum spathulifolium David D. Keck 1933-5-29 2354 Napa Pope Creek bridge, south of Walters Springs. Comment
  SD77911  Sedum spathulifolium Betty H. Johnson 1958-6-15 617 Napa Near St. Helena River, 6.4 miles southwest of Middletown. Comment
  UCD102078  Sedum spathulifolium R. H. Miller 1949-5-8 50 Napa approximately 10 miles northeast of Napa, on Highway 37. Comment
  UC1199243  Senecio aronicoides Joseph P. Tracy 1933-6-2 12459 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, La Jota Plateau, Howell Moutain); Northern Coast Ranges, Howell Mountain, La Jota Plateau, hea 518 Comment
  UCD118563  Senecio aronicoides Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. NE of fire station on south side of undeveloped road near dry ditch. 519 Comment
  RSA155773  Senecio eurycephalus P. H. Raven 1962-5-31 17919 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  UCD33551  Senecio flaccidus var. douglasii Beecher Crampton 1969-10-14 8521 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  JEPS37649  Senecio integerrimus var. exaltatus W. L. Jepson 1915-4-24 6262 Napa Chiles Creek Conn Valley Comment
  RSA183412  Senecio sylvaticus Elden Parchim 1964-4-25 s.n. Napa Summit of Oakvillegrade Road, ca. 4 miles southwest of Oakville. Comment
  UCD159909  Senecio vulgaris Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section. 243 Comment
  UCD19942  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd., 0.7 airline miles north of junction of West Rd. and Decker Canyon Trail. 213 Comment
  CAS-BOT-BC85824  Sequoia sempervirens Peter H. Raven 1954-1-22 6382 Napa Near Sulphur [Sulfur] Springs Resort, west of St. Helena 30 Comment
  CDA43457  Sesbania punicea N. Castro-Lobovsky 2015-8-24 PDR# 280 P06372476 Napa Oakville; 8329 St. Helena Hwy., near Bella Oaks Lane. 0 Comment
  CAS-BOT-BC240158  Setaria verticillata Peter H. Raven 1951-8-21 3879 Napa Lokoya 457 Comment
  CAS-BOT-BC240237  Setaria viridis Peter H. Raven 1952-9-14 5182 Napa Napa State Game Farm 121 Comment
  UCD167172  Sidalcea calycosa subsp. calycosa Jake Ruygt 1982-6-21 1332 Napa Suscol Plain near Kaiser Steel, Rocktram. 1 Comment
  UCD41312  Sidalcea diploscypha Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 4 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  JEPS50083  Sidalcea diploscypha E. Ferguson 1920-5-15 345 Napa Pope Creek Comment
  SBBG4683  Sidalcea diploscypha H. and M. Dearing 1939-5-2 3354 Napa near Napa Comment
  RSA52655  Sidalcea hartwegii I. L. Wiggins 1949-4-30 12071 Napa Along old toll road between Calistoga and Clear Lake, about 15 miles NE of Calistoga Comment
  UCD167287  Sidalcea hartwegii Jake Ruygt 1998-6-8 4017 b Napa Atlas Peak Road, entry road to Milliken Reservoir. Comment
  UC1177102  Sidalcea hirsuta Peter H. Raven 1951-5-26 2869 Napa Aetna Springs to start Butts Canyon; Aetna Springs to start of Butts Canyon 243 Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  UCD170154  Sidalcea keckii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 784 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 429 Comment
  UCD167290  Sidalcea keckii Jake Ruygt 1998-7-11 4084 Napa about 4.7 miles north of first bridge over Berryessa Knoxville road. 292 Comment
  UC161021  Silene antirrhina Joseph P. Tracy 1902-5-16 1496 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mt., Moore's Creek 457 Comment
  UCD144649  Silene antirrhina Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS50966  Silene californica Alice King July, 1919 Napa Van Ness Ranch Mt. St. Helena, Van Ness Ranch Comment
  RSA185755  Silene gallica John H. Thomas 1955-5-21 5121 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 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
  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
  CAS-BOT-BC388147  Silene gallica Elsa G. Ruckert 1960-5-1 135 Napa 6495 Dry Creek Road; west of house next to compost heap. 365 Comment
  UCD151215  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  SEINET7072564  Sisyrinchium bellum A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road. Coordinate datum: NAD 27. UTM Zone 10, 548701mE, 4271193mN. Comment
  UC1032510  Sisyrinchium bellum A. Lewis 1932-5-18 100 Napa Sarco Creek 182 Comment
  UCD48732  Sisyrinchium bellum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 18 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along Decker Bay Trail, 1/4 mi. from jct with West Rd. 152 Comment
  UCD81442  Sisyrinchium bellum M. Wiesendanger 1927-5-4 s.n. Napa Near Monticello. Comment
  UC429224  Sisyrinchium bellum C. F. Sonne Apr. 1897 6817 Napa Napa Valley Comment
  UCD13121  Sisyrinchium bellum Jennifer Kent 1974-4-28 33 Napa Napa CO. 2 Mi. south of Calistoga, off Dutch Henry Canyon Rd., 2 mi. east of Silverado Trail. Road cut. Elevation 1800'. 548 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
  UCD19865  Sisyrinchium bellum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1200 Napa Lower slopes of Mount St. Helena, view spot north of Calistoga, along Hwy 29. Comment
  JEPS126042  Sisyrinchium californicum Jake Ruygt 1990-4-14 2478 Napa South end of Wooden Valley on Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  JEPS113973  Smilax californica Jake Ruygt 1999-5-30 4175 Napa Sulphur Creek about 1/2 mile below the resort. Rutherford 7.5' Quad. Comment
  UCD170148  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  UCD48199  Solanum parishii Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 8 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UC26232  Solanum tuberosum Willis L. Jepson 1893-6-24 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  CAS-BOT-BC231733  Solanum umbelliferum Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley Comment
  JEPS47332  Solanum umbelliferum L. R. Heckard and R. Bacigalupi 1965-5-15 1460 Napa about 5 mi s of Knoxville ( along Nevada Creek); Nevada Creek 304 Comment
  NY820561  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa In the Howell Mountains, 5 miles east of Napa, North Coast Ranges 457 Comment
  JEPS104694  Solidago velutina subsp. californica John L. Morrison 1936-9-20 1939 Napa Comment
  JEPS32409  Solidago velutina subsp. californica W. L. Jepson 1944-7-30 27540 Napa Four Corners , Four Corners (Howell Mt.) Comment
  UC517539  Solidago velutina subsp. californica John Thomas Howell 1933-8-27 11635 Napa Sage Canyon , Sage Canyon (Napa Range) Comment
  JEPS106873  Soliva sessilis Jake Ruygt 1986-4-19 1711 Napa .4 miles east of Flosden Rd. on American Canyon Rd. 36 Comment
  CDA29133  Sonchus asper D. G. Kelch, Daniel Weinstein 2009-6-21 9 .447 Napa Near Skyline Park. Comment
  UCD136154  Sonchus oleraceus H. J. Baade 1920-5-1 s.n. Napa Napa. Comment
  CDA3446  Spergularia bocconi H. Stabo 1979-4-26 Napa Residence at 41 Magnolia, Calistoga. 0 Comment
  UCD166675  Stachys ajugoides Jake Ruygt 1982-6-21 1339 Napa Suscol plain, just east of steel mill, Rocktram. 2 Comment
  JEPS112629  Stachys ajugoides var. rigida Jake Ruygt 1990-5-19 2557 Napa 1/2 mile north of Diamond Mtn. Rd. on HWY 29 152 Comment
  JEPS112631  Stachys ajugoides var. rigida Jake Ruygt 1996-4-20 3616 Napa Jameson Vineyards, Jameson Canyon. 79 Comment
  UCD18106  Stachys albens K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 42 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  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
  UCD126061  Stachys rigida var. quercetorum M. Wiesendanger 1927-5-4 686 Napa Near Monticello. Comment
  UCD126050  Stachys rigida var. quercetorum Douglas O. Dahl 1967-5-25 50 Napa 5.3 miles west of Monticello Dam. 152 Comment
  CHSC102276  Stachys stricta Lowell Ahart 2009-10-12 16441 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC386934  Stellaria media Elsa G. Ruckert 1960-2-20 2 Napa Dry Creek Road 365 Comment
  JEPS106612  Stellaria nitens Jake Ruygt 1996-4-10 3575 Napa Soda Spring, White Cliff Springs 396 Comment
  HSC44256  Stipa pulchra Robert M. Specht 1977-4-19 685 Napa Above drainage running NE from Adams Creek (site 163) 524 Comment
  SEINET10603940  Stipa pulchra David D. Keck 1931-4-2 Keck 1004 Napa Foot of Wooden Valley grade, 4 miles Ne of Napa. Common on open, rolling slopes. 50 Comment
  SEINET10893290  Stipa pulchra David D. Keck 1931-4-2 Keck 1033 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC61249  Streptanthus breweri David D. Keck 1933-5-29 2369 Napa Pope Creek bridge south of Walters Springs. Comment
  JEPS100377  Streptanthus breweri Dean W. Taylor 2001-5-15 17658 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS126127  Streptanthus breweri Jake Ruygt 2010-7-5 5666 Napa East of White Point. Detert Reservoir 7.5' Qua. Comment
  UCD167702  Streptanthus breweri W. Robert Powell 1977-4-16 2487 Napa Just east of Butts Canyon Road. 2.5 air miles from Aetna Springs. 4.0 air miles from town of Pope Valley. (Exact location unknown. Coordinates estimated by label maker.) 277 Comment
  UC956592  Streptanthus breweri var. hesperidis Freed W. Hoffman 1949-5-10 2777 Napa along pipe line 1/4 mi below Conn Dam; North Coast Ranges Comment
  POM225546  Streptanthus glandulosus J. T. Howell 1931-4-19 6453 Napa Conn Valley. Comment
  CAS-BOT-BC87164  Streptanthus glandulosus subsp. glandulosus Clara A. Hunt 1923-4-1 s.n. Napa Mountains near Saint Helena. Comment
  UC1177074  Streptanthus glandulosus subsp. glandulosus Peter H. Raven 1951-5-6 2825 Napa burn below Conn Dam 274 Comment
  UCD116013  Streptanthus glandulosus subsp. glandulosus Robert E. Preston 1988-4-10 578 Napa 0.4 mile SW of the confluence of Putah and Hunting Creeks. 268 Comment
  UCD170438  Streptanthus glandulosus subsp. glandulosus Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 910 Napa Knoxville Wildlife Area on slope west of Berryessa-Knoxville Road. 517 Comment
  UC596387  Streptanthus hesperidis R. F. Hoover 1938-6-11 3602 Napa Knoxville ridge Comment
  JEPS82529  Streptanthus morrisonii Roger Raiche 1984-5-19 40155 Napa near Knoxville (off of Bureau of Land Management roads); Hunting Creek area Comment
  JEPS12888  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-9-24 Napa Angwin's; Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC97739  Symphyotrichum chilense Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS104576  Symphyotrichum lentum Jake Ruygt 1993-10-24 3290 Napa near Fagan Slough. 0 Comment
  JEPS40793  Symphyotrichum spathulatum Willis L. Jepson 1893-9-24 Napa Howell Mt. Comment
  UC29864 Image available Symphyotrichum spathulatum Edw. L. Greene 1888-8-28 Napa Calistoga Comment
  UC672248  Symphyotrichum subulatum Herbert L. Mason 1923-10-6 768 Napa Suisun Marsh, along railroad Suisun Marsh Comment
  CAS-BOT-BC221921  Taeniatherum caput-medusae Peter H. Raven 1952-5-26 4055 Napa 3 mi. e. Pope Valley P.O. on Monticello Rd. 182 Comment
  JEPS126111  Tanacetum parthenium Jake Ruygt July, 1979 594 z Napa Trefethen Vineyard near Dry Creek. Napa 7.5' Qua. Comment
  JEPS36852  Taraxacum officinale W. L. Jepson 1924-4-27 10384 Napa Mt. St. Helena Comment
  UCD21544  Taraxacum officinale B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 2 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  JEPS120387  Teesdalia coronopifolia Jake Ruygt 2001-3-24 4301 Napa NE of Table Rock along PG&E road. Detert Reservoir 7.5' Quad. Comment
  UC9679  Thalictrum fendleri var. polycarpum Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Napa River Basin Comment
  UC16393  Thermopsis californica var. californica Willis L. Jepson 1893-4-27 Napa Napa City Comment
  UCD108634  Thermopsis californica var. californica M. Wiesendanger 1927-5-4 689 Napa Monticello-Napa Rd. Comment
  SEINET7042614  Thermopsis macrophylla A. G. Vestal 1963-5-13 s.n. Napa Conn Valley Road. Saint Helena quadrangle UTM Zone 10, 552079mE, 4262034mN. Comment
  CAS-BOT-BC66493  Thysanocarpus curvipes David D. Keck 1931-4-2 1036 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  CAS-BOT-BC66496  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66499  Thysanocarpus curvipes Alice Eastwood 1918-5-1 6846 Napa Mount Saint Helena. Comment
  CAS-BOT-BC66515  Thysanocarpus curvipes Paul F. Covel 1940-4-28 1706 Napa Pac-Union College-Pope Valley Road. Comment
  JEPS106593  Thysanocarpus curvipes Jake Ruygt 1996-4-10 3574 Napa Drainage south of Milliken Peak. 167 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
  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
  JEPS54166  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 e Napa e St. Helena; Napa River Basin, e of St. Helena Comment
  UC11003  Thysanocarpus curvipes Willis L. Jepson 1893-4-24 30 C Napa hills e St. Helena; e of St. Helena Comment
  CAS-BOT-BC67314  Thysanocarpus radians Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  CDA11318  Tonella tenella G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12024 Napa UC Quail Ridge Reserve. Immediately below field house. Comment
  UCD159911  Torilis arvensis Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  CAS-BOT-BC85168  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Beside Highway 29, east side of Mt. St. Helena, 1 mile north of summit of road Comment
  HSC99975  Torreya californica Michael Kauffmann 2011-6-11 16 Napa Along trail to Mount Saint Helena 701 Comment
  JEPS103993  Torreya californica Jake Ruygt 1979-5-6 582 Napa Mt. St. Helena 731 Comment
  SBBG321  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Hwy 29, E side of Mt St Helena, 1 mi N of summit of rd Comment
  UC1001196  Torreya californica Peter H. Raven and G. L. Stebbins Jr. 1953-4-19 5330 Napa e of Chiles Valley; Soda Creek 137 Comment
  UCD167157  Torreya californica Jake Ruygt 2015-3-10 6037 Napa Sutro Ranch, east side of Atlas Peak. 683 Comment
  UCD82592  Toxicoscordion fremontii Ellen Dean; T. Starbuck 2009-5-4 5531 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  SEINET10879601  Toxicoscordion fremontii John T. Middleton 1936-3-21 Middleton 73 Napa Monticello, CA. Comment
  UCD147533  Toxicoscordion micranthum Ellen Dean; Diana Hickson 2014-4-29 8087 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD139880  Toxicoscordion venenosum var. venenosum P. B. Kennedy 1929-5-23 s.n. Napa St. Helena highway to Pope Valley. Comment
  JEPS105308  Trichostema laxum Dean W. Taylor 1994-10-7 14711 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  JEPS63144  Trichostema laxum W. L. Jepson 1938-9-24 19024 Napa canyon of Limekiln Creek, N of Pope Valley 304 Comment
  UC1137621  Trichostema laxum B. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UC615138  Trichostema laxum Beryl O. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  JEPS108655 Image available Trichostema ruygtii Jake Ruygt 2004-8-21 3089 Napa Mead Ranch, Atlas peak Road, south of Foss Valley 481 Comment
  JEPS108657  Trichostema ruygtii Jake Ruygt 2004-9-4 4656 Napa Las Posadas State Experimental Forest 524 Comment
  JEPS126091  Trifolium albopurpureum Jake Ruygt 1995-4-29 3451 Napa Skyline Park, Sugarloaf Peak Trail. Mount George 7.5' Qua. Comment
  UCD148800  Trifolium albopurpureum Ellen Dean; Diana Hickson 2014-4-29 8107 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 513 Comment
  JEPS106689  Trifolium albopurpureum var. albopurpureum Jake Ruygt 1980-4-13 833 Napa Snell Valley 237 Comment
  UC1925866  Trifolium albopurpureum var. albopurpureum Ethel Crum 1931-1 1061 Napa Pope Valley Comment
  JEPS117952  Trifolium alexandrinum Timothy H. Milliken with Michele Lee and Jake Ruygt Jun 14-17 2010 Napa plant found in two locations at Napa Co. Airport west of runway 18-36 in field alongside access road and on the west side of Lasco Road in line runway 9-24 Comment
  JEPS65760  Trifolium bifidum var. bifidum E. K. Crum 1931-4-17 1055 c Napa 1/2 mi n P. O.; Pope Valley Comment
  UC16431  Trifolium bifidum var. bifidum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  JEPS129098  Trifolium ciliolatum Jake Ruygt 2016-4-30 6218 Napa Smitty Ranch, east side Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD108300  Trifolium ciliolatum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  JEPS65835  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-5-1 13737 Napa Upper Napa Valley Napa River Basin (Calistoga) Comment
  UC555402  Trifolium depauperatum var. depauperatum H. L. Mason 1928-4-13 4336 Napa near spring (Reili School) Comment
  POM18842  Trifolium dichotomum C. F. Baker 1903-4-20 2625 Napa Mt. St. Helena Comment
  UCD78056  Trifolium fragiferum Robert E. Preston 2005-8-17 2367 Napa Ca. 1 mile NW of Napa Junction. 14 Comment
  UCD95680  Trifolium fragiferum Ellen Dean; with Clare Loughran 2011-5-20 7025 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  JEPS106812  Trifolium glomeratum Jake Ruygt 1994-5-2 3367 Napa Kirkland Ranch, NE side of HWY 29 and 12 Comment
  UCR91212  Trifolium glomeratum A. C. Sanders 1996-6-1 18194 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  JEPS129084  Trifolium gracilentum Jake Ruygt 2016-4-16 6188 Napa South of Scrabble Road, E of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  UCD149710  Trifolium gracilentum 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
  JEPS106709  Trifolium hirtum Jake Ruygt 1982-4-29 1208 Napa Suscol Plain west of HWY 29 (221) 3 Comment
  UCD111240  Trifolium incarnatum David Slade 1982-4-22 37 Napa Pleasant Valley Road 1.2 mi. w. Highway 128, roadside. 30 Comment
  UCD48984  Trifolium microcephalum M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 19 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  UCD48986  Trifolium microcephalum Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft.) 'as the crow flies' NW of jct with South Decker Canyon Rd; downslope of West Rd. ca. 20 m. 242 Comment
  JEPS65981  Trifolium microcephalum W. L. Jepson 1938-5-20 18803 Napa above St. Helena Sanitarium (above vineyard of John Ballentine); Howell Mtn Comment
  UCD149707  Trifolium microdon Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD109176  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Napa Yontville cemetery. Comment
  UCD35333  Trifolium obtusiflorum Beecher Crampton 1955-5-16 2795 Napa 8.5 miles west of Winters, just west of the Monticello Dam site. Comment
  UC137701  Trifolium oliganthum C. F. Baker 1903-4-20 2606 Napa Mt. St. Helena Comment
  UCR146398  Trifolium oliganthum Beecher Crampton 1960-5-17 5539 Napa Inner North Coast Ranges, 6 miles west of Oakville 701 Comment
  JEPS126125  Trifolium resupinatum Jake Ruygt 2006-5-18 5031 Napa Airport Road on south side, about 0.1 mile west of Highway 29. Cuttings Wharf 7.5' Qua. Comment
  JEPS106810 Image available Trifolium striatum Jake Ruygt 1993-5-8 3254 Napa Mead Ranch in large meadow NW of horse track 486 Comment
  UCD72569  Trifolium striatum Neal Kramer 2008-5-12 s. n. Napa American Canyon. Comment
  UC1103455  Trifolium variegatum Joseph P. Tracy 1902-5-17 1523 1/2 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  UCD39032  Trifolium variegatum Beecher Crampton 1962-5-8 6414 Napa 2 miles north of Calistoga, Myrtledale Hotsprings meadow. Comment
  UCD83432  Trifolium variegatum Jake Ruygt 1991-5-11 2657 Napa Aetna Springs, 0.5 mi W of golf course. 310 Comment
  UC867031  Trifolium variegatum var. melananthum Alice Eastwood 1915-6-5 4649 Napa Calistoga Comment
  JEPS4395  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-27 13706 Napa Yountville; Napa Valley Comment
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Feb 1 2008
  JEPS106686  Trifolium variegatum var. pauciflorum Jake Ruygt 1991-5-11 2667 Napa intersection Aetna Extension Rd. with Oat Hill Mine Rd. 670 Comment
  JEPS4145  Trifolium willdenovii Willis L. Jepson 1893-5-2 13673 Napa e Calistoga (Pope Valley grade); Napa River Basin Comment
  UC1197523  Trifolium willdenovii Joseph P. Tracy 1903-5-15 1848 Napa near Calistoga; Napa Valley 91 Comment
  UCD17969  Trifolium willdenovii Ellen Dean; Kate Mawdsley 2001-4-9 688 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  JEPS48858  Trifolium willdenovii Elsa Kraeger 1926-3-27 Napa near Soscol (along rd) Comment
  OBI12644  Trifolium willdenovii R. L. Hoover 1968-4-20 47 Napa On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd Comment
  POM126389  Trifolium willdenovii C. F. Sonne 1895-04 1393 Napa Soda Springs. Comment
  UCD109855  Trifolium willdenovii G. F. Hrusa 1992-4-15 10381 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  CAS-BOT-BC451905  Triglochin maritima John Thomas Howell 1932-10-8 10810 Napa At Cuttings Wharf on Napa River Comment
  CAS-BOT-BC520827  Trillium albidum Peter H. Raven 1950-4-15 1734 Napa Napa: Wooden Valley Comment
  CAS-BOT-BC520830  Trillium albidum Peter H. Raven 1953-3-29 5204 Napa 0.5 mi. s. of Calistoga 121 Comment
  UCD20032  Trillium chloropetalum C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-17 1206 Napa Junction of Glass Mountain Road and Silverado Trail. Comment
  CAS-BOT-BC521019  Trillium chloropetalum var. giganteum Alice Eastwood 1918-5-1 6859 Napa Mt St. Helena Comment
  UCD167132  Triodanis biflora Jake Ruygt 2015-5-23 6114 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD123379  Triphysaria eriantha D. C. Finfrock 1950-4-6 22 Napa 14 miles from Monticello and 3 miles from Pope Valley. Comment
  UCD170206  Triphysaria eriantha Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 751 Napa Knoxville Wildlife Area, east of Berryessa-Knoxville Road. 246 Comment
  UCD18179  Triphysaria eriantha 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
  UCD16044  Triphysaria eriantha subsp. eriantha R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 29 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, flat land near stream, sunny. Herb, 2-2.5 dm tall, flower yellow. Comment
  JEPS3976  Triphysaria pusilla Willis L. Jepson 1893-4-25 21410 Napa w St. Helena (trail to Caux's Cabin); Napa River Basin, lower hillsides Comment
  UC1301205  Triphysaria pusilla Helen K. Sharsmith 1963-4-20 5327 Napa off of Kelly Road 4 mi s Napa; San Francisco Bay Region 45 Comment
  UC673458  Triphysaria pusilla A. E. Borell 1928-4-13 131 Napa ten mi se Petaluma Comment
  JEPS110676  Triphysaria versicolor subsp. faucibarbata Jake Ruygt 1996-4-20 3618 Napa Jameson Canyon Vineyards entry road. 57 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
  JEPS74861  Triphysaria versicolor subsp. faucibarbata T. I. and F. M. Chuang 1975-5-4 7502 Napa on highway 29, 4.2 mi s Napa Comment
  UC1334861  Triphysaria versicolor subsp. versicolor L. D. Thurman 1964-4-15 393 Napa on Silvarado trail 5 mi n Napa; on Silverado Trail Comment
  JEPS110904  Triteleia hyacinthina Jake Ruygt 1977-5-3 211 Napa 1.6 miles north of Monticello Rd. on Atlas Peak Rd. 54 Comment
  HSC81870  Triteleia laxa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5138 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD117784  Triteleia laxa Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD139409  Triteleia laxa R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD48277  Triteleia laxa R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UCD48794  Triteleia laxa E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 10 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., on a W-facing slope approximately 2400 ft. as the crow flies NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  UCD48796  Triteleia laxa Kook-Hyun Chung 2001-4-28 1 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Rd., ca. 0.45 mi (2400 ft.) NW of jct with South Decker Canyon Rd.; down slope of West Road ca. 1 m. 242 Comment
  JEPS110928  Triteleia laxa Jake Ruygt 2003-5-5 4521 Napa Berryessa-Knoxville Road about 1 mi S of Toll Canyon trail 182 Comment
  UC422833  Triteleia laxa H. P. Chandler 1907-5-8 7564 Napa White Sulphur Spr. St. Helena Comment
  UC146224  Triteleia peduncularis J. P. Tracy 1905-7-5 2231 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mtn 365 Comment
  SEINET3243502  Triteleia peduncularis Sally Walker 1981-1 H- 8 Napa Beside creek, 9.9 miles south of Middletown along Butts Canyon Road. Comment
  POM202744  Umbellularia californica I. L. Wiggins 1932-3-12 5754 Napa Bank of N Fork of Napa River, 1 mile N of Calistoga. Comment
  UCR12034  Umbellularia californica Coleta A. Lawler 1964-3-24 15 Napa Redwood Road, just west of junction with Browns Valley Road. 8 Comment
  CAS-BOT-BC91197  Umbellularia californica W. R. Dudley 1895-2-20 s.n. Napa Head of Knight's Valley. Comment
  CAS-BOT-BC381968  Uropappus lindleyi John H. Thomas 1955-5-21 5146 B Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UC36693  Uropappus lindleyi W. L. Jepson 1894-5-3 Napa St. Helena Napa River Basin; St. Helena, Napa River Basin Comment
  UCD21546  Uropappus lindleyi B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 6 Napa California, Napa County, McLaughlin Reserve. Along Devil Head Road, just upslope (south of ) intersection with Knoxville-Berryessa Road. 487 Comment
  CAS-BOT-BC193395  Vaccinium parvifolium Max Kruse 1948-8-7 s.n. Napa Calistoga Comment
  UCD124634  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  JEPS106544  Vicia americana var. americana Jake Ruygt 1981-4-20 991 Napa American Canyon, .2 miless east of Flosden Rd. 164 Comment
  UC162844  Vicia hassei Joseph P. Tracy 1904-5-23 2097 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  UCD116979  Vicia villosa Jillian Howard; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just NE of fire station along dirt road. 519 Comment
  UCD49042  Vicia villosa S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 15 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
  RSA129901  Vicia villosa Peter H. Raven 1951-6-10 2903 Napa Above Hanlys, Mt. St. Helena. 671 Comment
  UCD167085  Vicia villosa subsp. varia Jake Ruygt 2008-4-24 5304 b Napa Highway 29 at highway 221; west side south of Soscol Creek. 24 Comment