Search Results — 2000 specimen records retrieved (1441 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS122719  Abutilon theophrasti Jake Ruygt 1996-9-2 3767 Napa SW corner, Silverado Trail at Pope Street, St. Helena. Quad: St. Helena. Comment
  JEPS110653  Acaena pinnatifida var. californica Jake Ruygt 1982-5-8 1235 Napa canyon north of American Canyon 286 Comment
  CAS-BOT-BC331519  Acer macrophyllum Peter H. Raven 1957-5-5 10767 Napa Hills at western edge of Calistoga 152 Comment
  CAS-BOT-BC331520  Acer macrophyllum Ira L. Wiggins 1928-3-25 2886 Napa 1.5 mi. NE of Calistoga Comment
  CAS-BOT-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  CAS-BOT-BC331525  Acer macrophyllum Alice Eastwood 1918-5-1 6870 Napa Mt. St. Helena Comment
  POM118512  Acer macrophyllum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD148565  Acer negundo Jake Ruygt 2001-10-17 4338 Napa Napa County; 1.3 mile NE of Trancas Street on Napa River. 6 Comment
  UCD161303  Acer negundo Jake Ruygt 1979-4-2 472 Napa Napa Creek at First Street bridge, Napa. (Coordinates estimated by label maker at UC Davis). 4 Comment
  UC1301056  Achillea millefolium Helen K. Sharsmith 1963-4-20 5341 Napa s slopes, among volcanic rocks in oak-woodland Mt. Atlas; San Francisco Bay Region 609 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
  CAS-BOT-BC29755  Achyrachaena mollis Ella D. Cantelow 1939-4-8 2496 Napa 4.5 miles SW of Pacific Union College, Howell Mt. Comment
  JEPS129110  Acmispon americanus var. americanus Jake Ruygt 2015-6-6 6121 Napa Missimer-Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UCD167136  Acmispon americanus var. americanus Jake Ruygt 2015-5-23 6110 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD148816  Acmispon brachycarpus Ellen Dean; Diana Hickson 2014-4-29 8122 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD47974  Acmispon brachycarpus Michele Disney; J. Westbrook,S. Ratay, R. Wolfson,A. Houser,S. Wathen 2000-4-22 15 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  UCD104111  Acmispon glaber Beecher Crampton 1959-5-26 5257 Napa Martley Canyon, Vaca Mountains. Along State Hwy. 128. Comment
  UCD48948  Acmispon glaber var. glaber K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 9 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Along West Rd., ca. 0.38 as the crow flies miles (1500 ft.) NW of jct, with S. Decker Canyon Rd. 237 Comment
  UCD148810  Acmispon wrangelianus Ellen Dean; Diana Hickson 2014-4-29 8117 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  RSA120809  Adenocaulon bicolor G. D. Barbe 1957-7-4 369 Napa 6.6 mi west of Hwy 29 and Napa on Redwood Rd., 0.6 mi NW of Christian Bros. Mt. LaSalle School. Comment
  UCD16111  Adenostoma fasciculatum BiF Soper 1983-5-30 s.n. Napa Hwy 128, 3.7 miles W of the entrance to the Putah Creek Public Fishing Access Rd. 103 Comment
  UCD49128  Adenostoma fasciculatum A. Collier; D. Caterson and S. Kenady 2002-5-4 5 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off W side of road 1 m. 335 Comment
  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
  UCD137059  Adiantum aleuticum G. F. Hrusa; G. L. Stebbins 1994-3-11 11591 Napa Las Posadas State Forest, Morre Creek. 400 Comment
  UCD169616  Adiantum jordanii Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  SEINET11687432  Aegilops triuncialis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -317 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  SEINET181203 Image available Agoseris grandiflora Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15291 Napa 20 miles north of Napa Comment
  UC29368  Agoseris grandiflora var. grandiflora Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC13320  Agoseris retrorsa Peter H. Raven 1951-6-10 s.n. Napa Crater Region, E of Palisades 762 Comment
  JEPS45601  Agrimonia gryposepala Alice King Jul 1919 Napa Mt. St. Helena; Van Ness Ranch Comment
  UC1103391  Agrostis elliottiana Joseph P. Tracy 1933-6-2 12462 Napa head Moore's Creek (Howell Mountain,l 3-4 mi e of Angwin's, La Jota Plateau); Northern Coast Ranges, Howell Mt., Moore's Creek 518 Comment
  UC1158122  Agrostis elliottiana Joseph P. Tracy 1950-5-23 18671 Napa head Moore's Creek (La Jota Plateau, 3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mt., head Moore's Creek 518 Comment
  UCD19918  Agrostis exarata E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 774 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
  UCD52327  Agrostis exarata B. Crampton 1955-6-8 2830 Napa Sonoma - Napa County border: along State Hwy. 128, 5 mile northwest of Calistoga. Comment
  UCR267290  Agrostis exarata Stephen P. Rae, Ayzik Solomeshch 2006-5-30 s.n. Napa north side of Soscol Ridge, south of the city of Napa, c. 3/4 km east of Hwy 121, on the south side of Soscol Creek 25 Comment
  CAS-BOT-BC139730  Agrostis gigantea Peter H. Raven 1951-6-26 3049 Napa East of Napa on Monticello Road. 60 Comment
  CAS-BOT-BC139012  Agrostis pallens John Thomas Howell 1943-6-19 18236 Napa Hills southwest of Saint Helena. Comment
  HSC8860  Aira caryophyllea C. B. Wolf 1928-5-3 1809 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UCD19311  Aira caryophyllea M. A. Bibbo; E. Dean 2001-7-6 3 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
  CDA37188  Aira caryophyllea CDFA Staff 2005-5-1 s.n. Napa Atlas Peak Road, Mead Ranch. 0 Comment
  JEPS110932  Alisma plantago-aquatica Jake Ruygt 1978-5-15 315 Napa east end of Cunard St., Napa 6 Comment
  CAS-BOT-BC445424  Alisma triviale James L. Reveal 1987-6-7 6410 Napa Along California Highway 128 northeast of Rutherford, along Corn Creek, about 1 mile south of Trail Silverado, about 4 airline miles southeast southeast of St. Helena 76 Comment
  CAS-BOT-BC461083  Allium amplectens John H. Thomas 1955-5-21 5133 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS110914  Allium amplectens Jake Ruygt 1977-5-1 203 Napa east of east end Westgate Drive 152 Comment
  JEPS97780  Allium amplectens Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2775 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  RSA537500  Allium amplectens Barbara Ertter, Annetta Carter 1989-5-28 8516 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  CAS-BOT-BC461085  Allium amplectens Lester Rowntree 1938-5-16 s.n. Napa Alta Peack [Atlas Peak?], near Napa Comment
  CAS-BOT-BC461090  Allium amplectens John Thomas Howell 1933-5-21 11319 Napa Hills east of Napa Comment
  CAS-BOT-BC466762  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  RSA0000087  Allium cratericola Alice Eastwood 1918-5-1 6864 Napa Mt. St. Helena. Old crater in sand. Comment
  JEPS47592  Allium falcifolium W. L. Jepson 1915-4-23 6250 Napa Conn Valley Comment
  JEPS47613  Allium falcifolium Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  RSA3283  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
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 Comment
  UCD48253  Allium falcifolium Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 30 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 533 Comment
  CAS-BOT-BC469022  Allium falcifolium R. C. Barneby 1954-4-30 11336 Napa Conn Valley, near the slipway. Comment
  CAS-BOT-BC469027  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles E of Pope Valley Comment
  CAS-BOT-BC469028  Allium falcifolium David D. Keck 1933-5-29 2375 Napa 1.3 miles south of Knoxville. Comment
  CAS-BOT-BC469032  Allium falcifolium John Thomas Howell 1931-4-3 6140 Napa Pope Creek Canyon, 5.5 miles east of Pope Valley, Napa Range Comment
  UC1005697  Allium falcifolium Frank W. Gould 1939-4-6 614 Napa on road to Lower Lake 1 mi n Knoxville 457 Comment
  CHSC83398  Allium fimbriatum var. fimbriatum L. P. Janeway; B. Castro 2002-5-12 7551 Napa Inner North Coast Ranges. Northeast-facing slope along Devil-head Road 0.8 km south of Berryessa-Knoxville Road and Knox-ville Creek. 488 Comment
  JEPS129096  Allium serra Jake Ruygt 2016-5-3 6224 Napa Canyon south of Oil Well Road; E of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  CAS-BOT-BC475560  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  POM203718  Allium serra J. T. Howell 1931-4-2 6103 Napa 4 miles from Monticello on Wooden Valley Road. Comment
  UCD16031  Allium serra N. K. Strahan; C. Kennedy, L Condon, R. Flannery, C. Hallock 2000-4-22 24 Napa McLaughlin Reserve, North of Knoxville-Berryessa Rd., along old Knoxville Rd., just S of site of old town of Knoxville, W side of road. 38 deg. 49' 38.7' N, 122 deg. 20' 22.4' W; 420 m. Grassland, moist reddish-brown clay soil, E-facing slope. Herb, 2-2.5 dm tall, flowers light pink to lavendar. Comment
  UC23568  Allophyllum divaricatum Willis L. Jepson 1893-1 Napa Angwin's meadows Howell Mt.; Napa R. Basin, , Angwin's meadows Comment
  JEPS123023  Alopecurus saccatus Jake Ruygt 1989-4-6 2247 Napa Pasture across from Bale Mill entrance. Quad: Calistoga. Comment
  JEPS54296  Amaranthus californicus W. L. Jepson 1930-10-19 15683 Napa Conn Creek Napa Valley 45 Comment
  UCD148100  Ambrosia psilostachya Jake Ruygt 1987-7-29 2091 Napa City of Napa: bank of Napa River just south of Third Street. 2 Comment
  CAS-BOT-BC45030  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  UC12076  Amelanchier alnifolia var. semiintegrifolia Willis L. Jepson 1893-5-8 Napa near Angwin's (Howell Mt); Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC136749  Amelanchier utahensis H. E. McMinn 1922-6-8 172 Napa Summit of Howell Mt. Comment
  JEPS110658  Amelanchier utahensis Jake Ruygt 1989-4-22 2260 Napa 2.5 miles NE of Atlas Peak Rd. on Monticello Rd. 307 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
  JEPS16024  Ammi majus W. L. Jepson Sep 23 1893-Sep 25 1893 14204 Napa Yountville Comment
  JEPS8339  Ammi majus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-9 4752 Napa just n. of city limits Napa (ca. 1/4 mi. w. of northern end of Jefferson St.) 18 Comment
  UCD127157  Ammi majus Beecher Crampton 1973-6-25 8967 Napa 2 miles north of Oakville. Comment
  UC1199062  Amorpha californica var. napensis Joseph P. Tracy 1899-7-12 390 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  CDA27223  Ampelodesmos mauritanicus G. F. Hrusa 1998-11-29 14907 a Napa Along Old Toll Rd near Hwy 29 intersection. Sheet 2 of 2. Comment
  UCD56010  Ampelodesmos mauritanicus G. F. Hrusa 2000-7-26 15683 Napa Old Toll House Rd. at SW base of Mt. St. Helena, approx. 1/2 mi. N of Hwy 29. Steep, north-facing slope above Garnet Cr. 400 Comment
  UCR116170  Ampelodesmos mauritanicus G. Fred Hrusa 2000-7-26 15683 Napa North Coast, Old Toll House Road at SW base of Mt St. Helena, c. 0.5 mi north of Hwy 29. Slope above Garnet Creek 400 Comment
  CHSC25143  Amsinckia intermedia J. E. Beitler 1970-4-12 18 Napa St. Helena. Located ca. 20 yds. N.E. of conversion dam and 15 yds. W. of Spring Mountain Mountain Road. Comment
  UCD161230  Amsinckia intermedia Jake Ruygt 2010-3-27 5494 Napa Silverado Trail north of Skellinger Lane. (Coordinates estimated by label maker at UC Davis). 56 Comment
  UCD169886  Amsinckia intermedia Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 725 Napa Knoxville Wildlife Area. 352 Comment
  UCD47937  Amsinckia intermedia Jessica Westbrook; M. Disney, S. Ratay, S. Wathen, A. Houser, R. Wolfson 2000-4-22 11 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  RSA0089449  Amsinckia intermedia A. A. Heller 1938-5-14 15093 Napa On the hills west of Napa on the highway to Shellville. Comment
  UCD13131  Amsinckia intermedia Etienne and Laurie Oleksiewicz 1981-4-18 9 Napa Napa CO. On Knoxville Rd., 8.9 miles north of Pope Canyon Rd. Comment
  UCD161744  Amsinckia intermedia Jake Ruygt 1994-3-29 3342 Napa south side of Suscol Ridge in Jameson Canyon (Kirkland Ranch). 201 Comment
  UCD68104  Amsinckia intermedia Cheryl Gillespie 1981-4-18 5 Napa Knoxville Road, 8.9 miles North of the intersection with Pope Canyon Road. Comment
  UCD170192  Amsinckia lycopsoides Daniel Potter; Ninh Khuu, Ellen Dean 2015-3-22 765 Napa Knoxville Wildlife Area, along Zim Zim Falls trail. 279 Comment
  RSA0089964  Amsinckia retrorsa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD147532  Anagallis arvensis Ellen Dean; Diana Hickson 2014-4-29 8086 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD118509  Ancistrocarphus filagineus Amber Kimpel; 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. South side of road. 417 Comment
  RSA393785  Ancistrocarphus filagineus J. T. Howell 1931-4-3 6129 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range. Comment
  UCD48437  Angelica californica K. Mogel; B. Pekin and M. Higley 2002-5-4 8 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 1100 ft along the lower road that leads to the power lines; immediately upslope of road. 304 Comment
  UCD126261  Angelica tomentosa G. F. Hrusa; R. Gross 1996-6-30 13071 Napa along Ida Clayton Rd on Foote Ranch. 700 Comment
  UCD148106  Angelica tomentosa Jake Ruygt 1999-7-28 4213 Napa Sage Canyon Rd. near Conn Dam. 79 Comment
  UC20806  Angelica tomentosa Willis L. Jepson August, 1892 Napa Napa Valley Comment
  UCD127187  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  RSA0000647  Angelica tomentosa var. elata W. L. Jepson 1895-8-30 13484 Napa Upper Napa Valley. Napa River Basin. Near Calistoga. Comment
  CAS-BOT-BC273161  Anisocarpus madioides Carl B. Wolf 1928-5-3 1807 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  JEPS106552  Anisocarpus madioides Jake Ruygt 1976-5-14 73 Napa 3.8 miles west of HWY 29 on Redwood Rd. 91 Comment
  SBBG8596  Anisocarpus madioides H. and M. Dearing 1939-5-1 3241 Napa St Helena Comment
  UC1537058  Anthemis cotula Gordon H. True Jr. 1937-6-21 736 Napa near Lokoya Lodge 365 Comment
  UCD56246  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa 8 miles south of Middletown, along Hwy. 53. Comment
  UCD164835  Antirrhinum cornutum Jake Ruygt 2012-6-2 5858 -b Napa Spanish Valley on south ridge. 347 Comment
  JEPS110620  Antirrhinum kelloggii Jake Ruygt 1980-5-13 881 Napa 3.0 miles south of Oakville Grade on Dry Creek Rd. 152 Comment
  JEPS110621  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Jake Ruygt 1979-7-12 746 Napa 5.9 miles NE of Monticello Rd. on HWY 128 274 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
  JEPS83371  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 332 Napa 0.1 to 0.3 mi e Hwy 128 jct with rd to Spanish Flat Resort on Lake Berryessa (on n side of road to Spanish Flat Resort); Capell Valley Quad. (7.5', 1968) 198 Comment
  CAS-BOT-BC237921  Antirrhinum virga John Thomas Howell 1926-10-3 2197 Napa Summit of Mt. St. Helena Comment
  UC726147  Antirrhinum virga A. A. Heller 1940-6-13 15741 Napa w side Mt. St. Helena (along the road to the summit below the first turn toward the e side) Comment
  UCD126301  Apiastrum angustifolium Beecher Crampton 1967-5-11 7920 Napa 4.5 miles east of Rutherford, south slope, Conn Reservoir. Comment
  UC1537514  Apocynum androsaemifolium Gordon H. True Jr. 1937-6-21 735 Napa near Lokoya Lodge Lokoya Lodge 365 Comment
  UCD148555  Apocynum androsaemifolium Jake Ruygt 1987-6-5 2026 Napa Napa County; Leoma Lakes 435 Comment
  UC1199839  Apocynum cannabinum Herbert L. Mason 1942-9-29 12559 Napa ca. 1 mi. n. Rutherford (edge of Beaulieu Ranch) Comment
  JEPS110886  Aquilegia eximia Jake Ruygt 1979-7-4 740 Napa 2.1 miles east of Silverado Trail on HWY 128 109 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
  UCSB1937  Aquilegia formosa Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 Comment
  UCD75841  Arabis oregana Jake Ruygt 1984-3-3 1501 Napa Devilshead Rd. near Cedar Creek. 542 Comment
  UCSB8404  Arbutus menziesii Kamb, Peter; Chisaki, Francia 1950-4-22 Napa 500 feet above valley floor, west side of Wooden Valley on California Highway 37 304 Comment
  UC403206  Arceuthobium campylopodum W. L. Jepson 1895-12-26 Napa Conn Valley Comment
  CAS-BOT-BC410144  Arceuthobium occidentale Peter H. Raven 1951-10-28 3928 Napa Corn Valley 152 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
  SD20479  Arctostaphylos canescens H. E. McMinn 1936-4-4 4395 Napa Ridge above R. L. Stephenson's Monument; Mt. St. Helena. Comment
  UCD148751  Arctostaphylos canescens Jake Ruygt 1999-4-18 4129 Napa Napa County; Mt. St. Helena fire road 853 Comment
  CAS-BOT-BC23959  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12272 Napa Near summit of Mt. St. Helena Comment
  CAS-BOT-BC23985  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
  JEPS48499  Arctostaphylos canescens subsp. canescens Elsa Kraeger 1926-3-28 Napa e slope Mt. St. Helena Comment
  POM125416  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11763 Napa Mount St. Helena Comment
  RSA70861  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4564 Napa Crater Country' near Mt. St. Helena. Comment
  UC876541  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1940-3-6 9496 Napa on Franz Val. road from Calistoga which branches off from Calistoga-Santa Rosa rd thru. Pet. Forest about 2 mi from center of Calistoga Comment
  CDA11148  Arctostaphylos crustacea G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11559 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  UCD50911  Arctostaphylos glandulosa Amelie Blyth 1952-4-27 6- 8 Napa Along road near top of Mt. Vaca, Napa-Solano County line. Comment
  UCD51055  Arctostaphylos glandulosa Heidi E. M. Dobson 1978-4-8 317 Napa East slope of Mt. Veeder. Comment
  UCR23644  Arctostaphylos glandulosa John C. Roos 1939-4-16 276 Napa North Coast Range, Pacific Union College, Angwin, [Pope Valley] 240 Comment
  CAS-BOT-BC23146  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1922-5-5 11297 Napa Mt. St. Helena Comment
  JEPS106417  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1981-4-12 974 Napa Grassy Hill near Palisades 670 Comment
  JEPS106418  Arctostaphylos glandulosa subsp. glandulosa Jake Ruygt 1986-3-16 1654 Napa 4.5 miles N of Westgate Dr. on Atlas Peak Rd. 463 Comment
  SJSU11107  Arctostaphylos glandulosa subsp. glandulosa E. C. Garbett 1961-4-15 298 Napa Veeder Rd near Oakville Comment
  CHSC23436  Arctostaphylos manzanita Robert A. Schlising; Glenn Keator 1962-1-25 2024 Napa California Coast Ranges. NW corner Napa County. Mt. Saint Helena Comment
  POM264995  Arctostaphylos manzanita I. L. Wiggins 1928-3-24 2861 A Napa Grade on old road to Lake Co. above Calistoga. Comment
  RSA633049  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24806 Napa On southeast side of Mt. St. Helena. 810 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
  UCSB32987  Arctostaphylos manzanita Haller, John 1979-5-4 Napa Mead Ranch; near Atlas Peak Road; about 5 miles (by road) north of State Highway 121; 9 miles north of Napa 487 Comment
  SEINET11987318  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4179 Napa Strybing Arboretum, Golden Gate Park, San Francisco, orig. from NE of Napa Comment
  CAS-BOT-BC38918  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1930-7-13 5354 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38919  Arctostaphylos manzanita subsp. elegans John Thomas Howell 1926-3-21 s.n. Napa Mt. St. Helena, along trail to summit. Comment
  UC796643  Arctostaphylos manzanita subsp. elegans Ira L. Wiggins 1949-4-30 12084 Napa on saddle about 1.5 mi from summit of Mt. St. Helena 1066 Comment
  CAS-BOT-BC24280  Arctostaphylos manzanita subsp. manzanita Rimo Bacigalupi 1924-2-22 s.n. Napa 5 mi. from Calistoga on toll road over Mt. St. Helena. 457 Comment
  CAS-BOT-BC38726  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1918-9-3 7944 Napa Mt. St. Helena Comment
  CAS-BOT-BC38730  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-5-21 11311 Napa Hills east of Napa Comment
  CAS-BOT-BC38760  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1925-1-23 13621 Napa wooden Valley Grade Comment
  CAS-BOT-BC38775  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-2-22 6413 a Napa Hills just north of White Sulfur Springs, w. of St. Helena 152 Comment
  JEPS122810  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5108 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. QUAD: Aetna Springs. Comment
  JEPS122811  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5110 Napa Silverado Trail about 1/4 mile north of Clover Flat Road. QUAD: Calistoga. Comment
  JEPS122812  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5107 Napa Pope Valley Road just north of tributary of Pope Creek. QUAD: Aetna Springs. Comment
  UC1005686  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1939-4-6 593 Napa 5 mi e Napa (just n of Mt. George) 228 Comment
  UCR228653  Arctostaphylos manzanita subsp. manzanita Ellen Dean, Stephen Rae 2008-5-21 4983 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 274 Comment
  CAS-BOT-BC43830  Arctostaphylos stanfordiana C. Hart Merriam 1898-10-22 s.n. Napa West of Calistoga Comment
  CAS-BOT-BC43844  Arctostaphylos stanfordiana Alice Eastwood 1923-5-9 11761 Napa Mt. St. Helena Comment
  CAS-BOT-BC43852  Arctostaphylos stanfordiana Mrs. H. P. Bracelin 1930-3-23 s.n. Napa Mt. St. Helena, 1 1/2 mi. S.E. of Mt. St. Helena . Comment
  CAS-BOT-BC43853  Arctostaphylos stanfordiana Alice Eastwood 1918-5-1 6840 Napa Mt. St. Helena Comment
  CAS-BOT-BC43860  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi. sw. of Angwin 243 Comment
  JEPS38679  Arctostaphylos stanfordiana W. L. Jepson 1913-4-15 5317 Napa Howell Mt. Napa Range 609 Comment
  JEPS38682  Arctostaphylos stanfordiana Willis L. Jepson 1893-9-23 14716 Napa summit of mt. Napa River Basin, Mt. St. Helena Comment
  UC205094  Arctostaphylos stanfordiana Katharine Brandegee Napa St. Helena Comment
  SEINET11977846  Arctostaphylos stanfordiana L. S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi NE of Napa 274 Comment
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  RSA10631  Arctostaphylos stanfordiana subsp. stanfordiana C. B. Wolf 1928-5-4 1860 Napa Upper slopes of Mount St. Helena. Comment
  RSA123384  Arctostaphylos stanfordiana subsp. stanfordiana A. E. Wieslander 1934-2-24 365 Napa Spring Mountain. 640 Comment
  RSA7417  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-5-4 11276 Napa Mt. St. Helena. Comment
  SBBG33933  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UCD73847  Arctostaphylos stanfordiana subsp. stanfordiana Ellen Dean; S. Rae 2008-5-21 4982 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 269 Comment
  UC876395  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1937-4-4 37017 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  CDA11907  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins 1994-4-8 11713 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs resort. Comment
  CDA12064  Arctostaphylos viscida G. F. Hrusa, J. Messina 1989-3-3 5872 Napa North Coast Biodiversity Arena; Near intersection of Hwy 128 and Knoxville-Berryessa Rd. Comment
  UCD52637  Arctostaphylos viscida Heidi E. M. Dobson 1978-4-8 316 Napa California, Napa County: East slope of Mt. Veeder. Comment
  UC604657  Arctostaphylos viscida subsp. pulchella Joseph P. Tracy 1938-6-5 15835 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  JEPS38759  Arctostaphylos viscida subsp. viscida W. L. Jepson 1920-7-12 9067 Napa near old Chiles Mill; Chiles Creek Comment
  JEPS58789  Arctostaphylos viscida subsp. viscida W. L. Jepson 1938-5-22 18817 Napa Limekiln Creek Canyon Pope Valley 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
  JEPS32455  Aristolochia californica Willis L. Jepson 1900-3-9 507 Napa Stone Bridge, St. Helena Napa R. Basin, St. Helena Comment
  POM279325  Aristolochia californica Annetta Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pop Valley, Napa County, Vine trailing over shrub on creek bank Comment
Read comments
Sep 12 2013
  UC504869  Aristolochia californica R. M. Holman 1933-4-12 Napa near Mt. Veeder 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
  CAS-BOT-BC400457  Aristolochia californica R. B. Griffith 1949-3-14 1 Napa North bank of Putah Creek, 8.6 miles west of Winters Comment
  CAS-BOT-BC82390  Arnica discoidea Peter H. Raven 1951-6-26 3069 Napa Wooden Valley Grade 304 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
  UCD164773  Arrhenatherum elatius Jake Ruygt 2014-5-19 5947 Napa Sutro Ranch, Atlas Peak. 740 Comment
  CAS-BOT-BC90780  Artemisia ludoviciana subsp. ludoviciana Dennis W. Woodland 1970-8-13 1618 Napa 100 yd. east of bridge at junction of Petrified Forest Road and highway 128; 1 mile north of Calistoga Comment
  SEINET6793899 Image available Artemisia pycnocephala Leila M. Shultz, John S. SHultz 1987-1 10700 Napa Near Rutherford, Potah Creek, near coast Comment
  UCD121287  Asclepias cordifolia M. Wiesendanger 1927-5-4 691 Napa Monticello-Napa Rd. Comment
  JEPS104556  Asclepias eriocarpa Jake Ruygt 1979-6-18 707 Napa .3 miles east of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  UCD18116  Asclepias fascicularis K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 53 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  JEPS129152  Asparagus officinalis subsp. officinalis Jake Ruygt 1979-5-23 628 Napa Napa River south of Trancas Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC68860  Aspidotis californica Peter H. Raven 1950-4-15 1747 Napa Wooden Valley Grade above Napa 457 Comment
  UC688908  Aspidotis densa John Thomas Howell 1926-3-21 1716 Napa below Patten's St Helena Creek 457 Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  RSA52712  Aspidotis densa I. L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake county border 854 Comment
  POM215111  Aster sonomensis J. T. Howell 1932-10-8 10797 Napa 7 miles south of Napa Comment
  RSA769685  Aster subulatus var. ligulatus L. Ahart 2009-10-27 16476 Napa Below high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on south side of Berryessa Knoxville Road., On the bottom of an unnamed creek, about 20 air miles northwest of Winters. 130 Comment
  RSA739594  Astragalus breweri John Dittes 2003-4-5 2003 -13 Napa Inner N Coast Range, Napa Valley, 1.8 air miles NNW of Calistoga City Hall, 1 air mile NW of confluence of Napa River and Grnett Creek. 123 Comment
  JEPS107257  Astragalus claranus Jake Ruygt 1993-5-14 3261 Napa Lewelling Ranch, west end of Lewelling Lane, St. Helena 97 Comment
  JEPS107258  Astragalus claranus Jake Ruygt 1993-4-10 3188 Napa Lewelling Ranch,south of Sulphur Springs Road., St. Helena 109 Comment
  JEPS95199  Astragalus claranus Jake Ruygt 1994-4-15 3447 Napa Lewelling Ranch, near Sulphur Springs Rd St. Helena 103 Comment
  CAS-BOT-BC178627  Astragalus clevelandii T. S. Brandegee 1887-6-1 s.n. Napa Mt. St. Helena Comment
  JEPS107253  Astragalus clevelandii Jake Ruygt 1991-6-29 2756 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 121 Comment
  UCD104678  Astragalus clevelandii Robert E. Preston 1987-6-18 566 Napa 1.4 mile ne of Big Basin. 414 Comment
  CDA11592  Astragalus gambelianus G. F. Hrusa, S. Larson 1995-4-1 12058 Napa North Coast Biodiversity Arena; Approx. 1 mi. below bridge over Pope Creek, on Pope Canyon Rd. Comment
  UCD148842  Astragalus gambelianus Ellen Dean; Diana Hickson 2014-4-29 8147 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD170808  Astragalus gambelianus 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  RSA121722  Astragalus rattanii var. jepsonianus B. O. Schreiber 1938-4-24 2502 Napa 1/2 mile northwest of Knoxville. 610 Comment
  UC1239779  Athyrium filix-femina var. cyclosorum Joseph P. Tracy 1905-7-6 2216 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt 457 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
  UCR23605  Athysanus pusillus John C. Roos 1939-4-18 277 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  JEPS126099  Atriplex rosea Jake Ruygt 1991-9-21 2840 Napa Kennedy Park, north of the boat ramp. Napa 7.5' Qua. Comment
  SEINET10565955  Avena Ana Maria Planchuelo 1980-1 Planchuelo 509 Napa No other info available. Comment
  CAS-BOT-BC146197  Avena barbata John H. Thomas 1955-5-21 5105 A Napa Sarco Creek drainage, near State Highway. No. 37, about 6 miles from Napa. 274 Comment
  UCD56245  Avena barbata Beecher Crampton 1965-6-30 7407 Napa Solano -- Napa Co.: Mt. Vaca. Vaca Mtns. 872 Comment
  CHSC79391  Avena fatua Beecher Crampton 1956-3-15 3228 Napa 1 mile south of Rutherford. Comment
  RSA136311  Baccharis salicifolia John H. Thomas 1955-5-21 5155 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  CAS-BOT-BC16529  Barbarea orthoceras Peter H. Raven 1953-5-2 5408 Napa Rector Creek. 396 Comment
  CAS-BOT-BC16531  Barbarea orthoceras Peter H. Raven 1951-6-10 2926 Napa Center Region east of Palisades. 762 Comment
  JEPS42577  Barbarea orthoceras W. L. Jepson 1893-1 13344 Napa Howell Mountain 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
  UCD161752  Barbarea orthoceras Jake Ruygt 1996-4-12 3605 Napa Blue Ridge, north of Monticello Dam, Rockwell Gap area. 615 Comment
  JEPS47706  Berberis aquifolium Willis L. Jepson 1893-5-3 Napa near Toll-house (Middleton grade); Mt. St. Helena Comment
  UCD164734  Berberis nervosa Jake Ruygt 2014-6-23 6016 Napa Sutro Ranch, Atlas Peak, Fir Canyon. 405 Comment
  JEPS110686  Boisduvalia densiflora Jake Ruygt 1980-6-21 934 Napa Bear Valley 633 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
  PASA1885  Boisduvalia densiflora Frank W. Peirson 1928-7-4 Napa Summit of St. Helena Grade Comment
  JEPS110699  Boisduvalia stricta Jake Ruygt 1982-5-26 1300 Napa Craters region near Robert Louis Steve. Sate Park 762 Comment
  UCD20423  Brachypodium distachyon E. Dean; w/ PLB 102 class 2002-5-4 1010 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along lower road leading out to power lines. 304 Comment
  JEPS53245  Brassica nigra W. L. Jepson 1894-11-1 59 E Napa Napa, fields to the south Napa Comment
  JEPS106840  Brassica rapa Jake Ruygt 1990-2-24 2436 Napa Napa River about 1/3 mile north of Trancas St.,Napa 9 Comment
  JEPS106841  Brassica rapa Jake Ruygt 1977-2-22 131 Napa 100 yds south of Trancas St. on Big Ranch Rd. 13 Comment
  JEPS18618  Brickellia californica Edw. L. Greene 1888-8-30 Napa Calistoga Comment
  CAS-BOT-BC145365  Briza minor Peter H. Raven 1953-5-2 5368 Napa Valley floor east of Yountville. 76 Comment
  HSC9100  Briza minor C. B. Wolf 1928-5-3 1803 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  RSA247335  Briza minor Gary D. Wallace 1967-5-27 767 Napa Northwest of St. Helena on Howell Mtn. Rd. 2 mi west of Pacific Union College. Comment
  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
  UCD57406  Briza minor Joseph P. Tracy 1950-5-23 18676 Napa Northern Coast Ranges. Howell Mountain. At head of Moore's Creek, 3-4 miles east of Angwin's. La Jota Plateau. 518 Comment
  CAS-BOT-BC482166  Brodiaea appendiculata W. L. Jepson 1923-6-3 9981 Napa A little swale in the Napa Valley, not far from the mouth of Conn Creek Comment
  JEPS7692  Brodiaea appendiculata W. L. Jepson 1923-6-3 9981 Napa near mouth of Conn Creek; Napa 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
  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
  JEPS50490  Brodiaea leptandra Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9305 Napa in dry bed of rivulet along Conn Valley Rd. 0.8 mi e junction with Howell Mtn. road (at upper end of valley); Conn Valley 121 Comment
  UCD148581  Brodiaea leptandra Jake Ruygt 1995-6-26 3510 Napa Napa County; about 2 miles south of Lake Hennessey on private road (Taylor). 1360 Comment
  UCD168502  Brodiaea leptandra Shannon Hickey 2017-6-15 9 Napa along the west fork of Wild Horse Valley Road between Leoma Lakes and Wild Horse Valley. (Locality information and elevation interpreted by label maker from the collector provided coordinates.) 432 Comment
  UCD77156  Brodiaea leptandra Robert E. Preston 2002-6-17 1820 Napa Ca. 1.6 mi sw of Pope Valley, along Ink Grade, 0.36 mi n of its jct with Howell Mtn Rd. 518 Comment
  UCD149594  Bromus 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
  UCD60269  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of Napa; Howell Mountains, summit of State Hwy. 37. Comment
  SEINET9361734  Bromus Unknown 1961-6-12 5902 Napa Napa Comment
  SEINET10839784  Bromus arvensis Ana Maria Planchuelo 1980-1 Planchuelo 508 Napa Route 128 between winters and rutherford. Comment
  JEPS123012  Bromus carinatus Jake Ruygt 1997-4-24 3834 Napa Atlas Peak Road about 4 miles north of Monticello Road. Quad: Capell Valley. Comment
  UCD57978  Bromus carinatus Beecher Crampton 1956-5-25 3473 Napa Southeastern Capell Valley. Comment
  JEPS123010  Bromus carinatus var. carinatus Jake Ruygt 1986-5-24 1791 Napa Table Mountain. Quad: Detert Reservoir. 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-BC155988  Bromus diandrus Peter H. Raven 1953-5-2 5360 Napa Along railroad tracks. Yountville. 76 Comment
  HSC26182  Bromus hordeaceus J. P. Smith, J. O. Sawyer 1970-5-17 3777 Napa 3 mi. S of Pope Valley Comment
  HSC9264  Bromus hordeaceus J. V. Lenz 1947-4-19 Napa Calistoga Comment
  UCD17982  Bromus hordeaceus Ellen Dean; with Plant Biology 102 class 2001-4-14 708 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along North Decker Canyon Trail, N of trail. 182 Comment
  UCD58629  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3542 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  JEPS76002  Bromus japonicus W. L. Jepson 1936-6-1 17590 a Napa Napa Range, Howell Mountains, w side of Four Corners Four Corners; Napa Range, Howell Mountains, Four Corners Comment
  UC1103272  Bromus laevipes Joseph P. Tracy 1904-5-23 2101 Napa Hills e of Calistoga (Northern Coast Ranges); Northern Coast Ranges 243 Comment
  UCD58905  Bromus laevipes P. B. Kennedy 1918-5-28 s.n. Napa Calistoga. Petrified Forest Road. Comment
  UCD148808  Bromus rubens Ellen Dean; Diana Hickson 2014-4-29 8115 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  CDA31292  Bromus sterilis D. G. Kelch 2010-5-6 10 .178 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD60221  Bromus tectorum R. Tofsrud 1950-10-14 s.n. Napa Summit of road between Oakville and Glenn Ellen. Comment
  CDA1854  Bromus vulgaris H. Stabo Oct 1961 Napa Diamond Mountain area; Calistoga. 0 Comment
  CAS-BOT-BC233997  Calandrinia breweri John Thomas Howell 1931-4-2 6060 Napa Wooden Valley Grade 5 miles east of Napa Comment
  UCD48084  Calandrinia breweri R. Brush; A. Atamian, C. Owens, S. Olmsted, and M. Furuyama 2000-4-29 8 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  JEPS128910  Calandrinia ciliata Jake Ruygt 1994-3-7 2996 Napa Lewelling Ranch, west end of Lewelling Lane, Saint Helena. Rutherford 7.5' Quad. Comment
  CAS-BOT-BC438473  Calandrinia ciliata Peter H. Raven 1954-2-22 6408 Napa Orchard at west end of Saint Helena 60 Comment
  UCD148770  Callitriche heterophylla var. bolanderi Jake Ruygt 1997-4-26 3836 Napa Napa County; Mt. Veeder Vineyards, south of Lakoya Road. 457 Comment
  JEPS120388  Callitriche marginata Jake Ruygt 1996-5-19 3710 Napa West of Barnett Road near Burton Creek, (Peju Pr) Pope Valley Comment
  POM137263  Callitriche verna C. F. Baker 1903-4-19 1998 Napa St. Helena Comment
  CHSC83372  Calochortus amabilis L. P. Janeway; B. Castro 2002-5-12 7550 Napa Inner North Coast Ranges. Northeast-facing slope along Devilhead Road 0.8 km south of Berryessa-Knoxville Road and Knoxville Creek. 488 Comment
  JEPS61629  Calochortus amabilis W. L. Jepson 1943-5-15 20775 Napa Knoxville Ridge Comment
  UCD139481  Calochortus amabilis R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD139484  Calochortus amabilis Bill Wengeler 1995-4-16 s.n. Napa approximately 5 miles north of Hwy 128 along Knoxville Road. 146 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
  UCD18163  Calochortus amabilis Eva Bayon; with PLB 102 class 2000-4-29 s.n. Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  UCD22717  Calochortus amabilis Charles Gasser 1978-4-22 15 Napa Chiles/Pope Valley Road, 1.6 miles SW of junction with lower Chiles Valley Road. Comment
  CAS-BOT-BC488483  Calochortus amabilis David D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE, of Napa. 170 Comment
  CAS-BOT-BC488485  Calochortus amabilis David D. Keck 1933-5-28 2330 Napa Howell Mountian, north side, 1 mile above Pope Valley, P.O. Comment
  CAS-BOT-BC488490  Calochortus amabilis L. R. Abrams 1928-5-3 12208 Napa St. Helena Grade Comment
  CAS-BOT-BC488495  Calochortus amabilis John Thomas Howell 1931-4-2 6076 Napa Wooden Valley Grade 5 miles east of Napa. Comment
  RSA145271  Calochortus amabilis Simonds 1928-05 SN Napa Browns Valley. Comment
  RSA247334  Calochortus amabilis Gary D. Wallace 1967-5-27 769 Napa W of Union Pacific College, 2 mi. On Howell Mtn. Rd. NE of St. Helena. Comment
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Mar 14 2013
  RSA52662  Calochortus amabilis I. L. Wiggins 1949-4-30 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  JEPS128392  Calochortus luteus Adam C. Schneider with Dick O'Donnell 2013-5-28 244 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Berryessa Knoxville Road. Comment
  UCD139528  Calochortus luteus A. Amezcua 1995-5-26 25 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  CAS-BOT-BC492540  Calochortus luteus John Thomas Howell 1929-5-30 4258 Napa Gordon Valley, Napa Range Comment
  CAS-BOT-BC492543  Calochortus luteus Tom Craig 1941-6-18 s.n. Napa Road between St. Helena and Pope Valley, N.E. of St. Helena Comment
  CAS-BOT-BC492545  Calochortus luteus Wayne Roderick 1967-5-20 s.n. Napa Snell Valley 457 Comment
  UC1197695  Calochortus luteus Joseph P. Tracy 1938-6-6 15843 Napa between Napa City and Yountville 30 Comment
  SEINET4169985  Calochortus pulchellus Unknown 1952-4-20 71 Napa Samuel Springs, 7 mi N. W. of Monticello Comment
  UCD160678  Calochortus superbus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8750 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  CAS-BOT-BC483609  Calochortus tolmiei Betty H. Johnson 1958-6-8 596 Napa Near St. Helena River, 6.4 SW of Middletown Comment
  UCD139594  Calochortus umbellatus G. Ledyard Stebbins 1984-4-8 C 405 Napa Chiles Valley. Comment
Read comments
Apr 29 2019
  SEINET3992203  Calochortus uniflorus Unknown 1957-5-5 10736 Napa Field near the hot springs at the airport, Calistoga Comment
  UC1112208  Calochortus uniflorus Peter H. Raven 1957-5-5 10736 Napa Calistoga, field near the hot springs at the airport Calistoga Comment
  UCD169871  Calochortus vestae Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 806 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  CAS-BOT-BC496926  Calochortus vestae David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  UC1876266  Calycadenia fremontii Gerald D. Carr 1974-5-28 762 Napa 3.3 mi SE of Howll Mt. Rd. on Conn Valley Rd. Comment
  JEPS38540  Calycadenia multiglandulosa W. L. Jepson 1916-8-6 6832 Napa Howell Mt. Comment
  SEINET3147523  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  RSA595750  Calycadenia multiglandulosa L. C. Wheeler 1958-8-26 7445 Napa Near Moore Creek mine prospect. Comment
  POM298248  Calycadenia pauciflora H. M. Hall 1923-10-12 11926 Napa 16 miles SE of Lowerlake Comment
  UCD129844  Calycadenia pauciflora Gerald D. Carr 1972-8-9 727 Napa Mysterious Creek Road, 11.3 miles southwest of Berryessa-Knoxville Road. Via Devilhead Road. Comment
  UCD129904  Calycadenia pauciflora Gerald D. Carr 1971-9-20 667 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road. 609 Comment
  UCD129905  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road, 125 yards north of road. Comment
  CAS-BOT-BC271552  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271566  Calycadenia truncata subsp. truncata John Thomas Howell 1930-7-13 5344 Napa Lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC271575  Calycadenia truncata subsp. truncata Mrs. C. E. Miller 1918-8-1 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC271557  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271558  Calycadenia truncata subsp. truncata H. M. Hall 1924-9-30 s.n. Napa St. Helena Comment
  CAS-BOT-BC271570  Calycadenia truncata subsp. truncata H. M. Hall 1924-10-4 12109 Napa Near Yountville Comment
  CAS-BOT-BC90959  Calycanthus occidentalis Peter H. Raven 1950-6-20 2335 Napa In the Napa Range between Saint Helena and Conn Valley. Comment
  HSC65076  Calycanthus occidentalis J. P. Smith, J. O. Sawyer 1970-5-17 3771 Napa 3 mi. S of Pope Valley Comment
  JEPS40319  Calycanthus occidentalis W. L. Jepson 1934-10-16 16896 Napa Adam and Eve Ridge Howell Mt. (by the cave, Howell Mt.) Comment
  JEPS40320  Calycanthus occidentalis Willis L. Jepson Jul 1894 Napa Mt. St. Helena Comment
  JEPS45706  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  POM210622  Calycanthus occidentalis Joseph A. Ewan 1933-9-17 8010 Napa Mt. St. Helena summit road 2.5 miles out of Calistoga. Comment
  SBBG9297  Calycanthus occidentalis S. Wagener 1955-5-16 73 Napa Conn Dam, St Hwy 128 Comment
  UC1536921  Calycanthus occidentalis Gordon H. True Jr. 1937-6-21 731 Napa near Lokoya Lodge 365 Comment
  UC521695  Calycanthus occidentalis Joseph Andorfer Ewan 1933-9-17 8010 Napa 2.5 mi out Calistoga (Mt. St. Helena summit road); Mt. St. Helena Comment
  UCD13154  Calycanthus occidentalis Kathleen Worden 1981-5-24 12 Napa Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. Comment
  UCD137908  Calycanthus occidentalis H. Popenoe 1949-6-5 35 Napa Putah Canyon west of Winters, at Napa-Yolo County line. Comment
  UCR74386  Calycanthus occidentalis G. Fred Hrusa 1988-5-12 5601 Napa North Coast Range, Pope Creek, c. 2 mi east of jct of Pope Valley Rd. and Chiles Valley Rd. 244 Comment
  SEINET8194129 Image available Calycanthus occidentalis R. H. Miller 1949-5-8 49 Napa Along Highway 37, about 13 miles northeast of Napa Comment
  CAS-BOT-BC221554  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19851 Napa 17.5 km NE of Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  JEPS77949  Calystegia collina subsp. collina Edward Lee 1936-3-15 1816 Napa Butt's Canyon, from Rutherford to Pope Valley Comment
  UCD164834  Calystegia collina subsp. collina Jake Ruygt 2012-6-2 5857 Napa Spanish Valley on south ridge. 350 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
  UCD160804  Calystegia occidentalis subsp. occidentalis Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8684 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
  JEPS129054  Calystegia purpurata Jake Ruygt 2016-5-14 6254 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  SBBG5771  Calystegia purpurata H. and M. Dearing 1939-5-3 3269 Napa Rutherford-Sage Cyn Rd Comment
  UC23153  Calystegia purpurata Willis L. Jepson 1894-5-3 Napa St. Helena , St. Helena (Napa River Basin) Comment
  CAS-BOT-BC224627  Calystegia purpurata subsp. purpurata Peter H. Raven 1952-5-26 4035 Napa St. Helena to Howell Mt. 304 Comment
  JEPS122760  Camissonia contorta Jake Ruygt 2007-5-17 5173 b Napa Wildlake Ranch, near Potato Hill. Quad: Calistoga. Comment
  JEPS122759  Camissoniopsis hirtella Jake Ruygt 2005-6-1 4885 c Napa Blue Ridge, about 1 mile north of Mays Flat. Quad: Knoxville. Comment
  UC924274  Camissoniopsis hirtella H. S. Reed 1940-3-23 325 Napa ridge w Oakville 152 Comment
  UCD167163  Campanula griffinii Jake Ruygt 2015-4-13 6066 Napa Butts Canyon Road about 0.4 mile south of Snell Valley road. 246 Comment
  CAS-BOT-BC37120  Capsella bursa-pastoris Gilbert Muth 1967-4-28 651 Napa Above reservoir, Spring Hill Road, St. Helena. Comment
  UC583409  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa 4 mi n Calistoga (Mayacama Mountains, Crater Region); Mayacama Mountains, Crater Region, n of Calistoga Comment
  JEPS106834  Cardamine californica var. sinuata Jake Ruygt 1979-4-14 510 Napa Aetna Springs Extension Road 475 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
  POM118370  Carex Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  JEPS63512  Carex barbarae W. L. Jepson 1937-7-16 18452 Napa near Oakville; Napa Valley Comment
  UC50831  Carex densa J. P. Tracy 1902-5-17 1523 Napa 3-4 miles E of Angwin's (Head of Moore's Creek); Howell Mountain 457 Comment
  UC824766  Carex densa Lewis S. Rose 1935-6-4 35193 Napa Roadside ditch Oakville Comment
  UC824768  Carex densa Alice Eastwood, John Thomas Howell 1938-5-15 5522 Napa Myrtledale Hot Springs Comment
  CAS-BOT-BC35068  Carex densa Lewis S. Rose 1935-6-4 35205 Napa East slope Mount St. Helena. Comment
  UCD161698  Carex densa Jake Ruygt 2010-5-24 5561 Napa south of Heitz Way, west side of Highway 29. 94 Comment
  UCD161741  Carex densa Jake Ruygt 1993-4-18 3207 -c Napa north of American Canyon Creek, south of American Canyon sanitation. 2 Comment
  CAS-BOT-BC19982  Carex feta Joseph Prince Tracy 1938-6-6 15845 Napa Napa Valley. Between Napa City and Yountville. 30 Comment
  CAS-BOT-BC19983  Carex feta Peter H. Raven 1952-5-26 4043 Napa Howell Mountain. 548 Comment
  JEPS121325  Carex feta Jake Ruygt 1986-4-5 1680 Napa south side of Suscol Creek on ridge Comment
  UC1023488  Carex gracilior Peter H. Raven 1951-6-26 3047 Napa e Napa; Sarco Creek 60 Comment
  UC1152078  Carex gracilior Joseph P. Tracy 1949-4-22 18287 Napa e St. Helena; Conn Valley Reservoir 91 Comment
  UC1103568  Carex multicaulis J. P. Tracy 1902-5-18 1545 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek); Head Moore's Creek, Howell Mountain 487 Comment
  CAS-BOT-BC32124  Carex multicaulis Peter H. Raven 1951-5-26 2865 Napa Lokaya Lodge 411 Comment
  JEPS121346  Carex multicaulis Jake Ruygt 1997-4-4 3821 Napa Mt Veeder, south of Lokoya Roads. Comment
  CDA37938  Carex nudata D. G. Kelch 2010-5-6 10 .164 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  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-BC119516  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  SEINET3905219  Carex nudata Lewis S. Rose 1961-3-30 61024 Napa Conn Reservoir, Lake Hennessy.; 0 61 Comment
  SEINET7569404 Image available Carex nudata Alice Eastwood, John Thomas Howell 1937-4-4 3826 Napa North of Wooden Valley. Comment
  CAS-BOT-BC117619  Carex serratodens R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6687 Napa Butts Canyon. 10 mi N of Howell Mt. Comment
  JEPS100376  Carex subfusca Dean W. Taylor 2001-5-15 17650 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UCD161640  Carex subfusca Jake Ruygt 2005-5-11 4831 Napa Cub Valley, south of Bear Valley. (Coordinates converted from UTM data by label maker.) 664 Comment
  UC1010736  Carex tumulicola Peter H. Raven 1951-6-24 3023 Napa Brown's Valley to Sonoma-Napa Road 91 Comment
  UCD161360  Carex tumulicola Jake Ruygt 1988-5-1 2172 Napa Swartz Creek near Cleary Reserve. (Coordinates estimated by label maker at UC Davis). 292 Comment
  UCD20759  Carex tumulicola M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 109 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  RSA296388  Castilleja affinis W. L. Jepson 1938-5-24 18839 Napa Near Four Corners, Howell Mountain. Comment
  RSA296442  Castilleja affinis R. W. Cruden 1967-5-27 1247 Napa About 3 miles northeast of Angwin, Ink Grade. 488 Comment
  UCD122147  Castilleja affinis K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forest. Comment
  JEPS110617  Castilleja affinis subsp. affinis Jake Ruygt 1991-5-11 2652 Napa 1 mile north of College Ave. on Howell Mountain Rd. 551 Comment
  JEPS103914  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-6-23 7833 Napa 1.3 mi SW of junction with Wooden Valley Rd., on Hwy 121. Comment
  JEPS110618  Castilleja affinis subsp. neglecta Jake Ruygt 1982-5-8 1231 Napa north side American Canyon above quarry 152 Comment
  SEINET4392935  Castilleja affinis subsp. neglecta Laney Widener 2013-1 Napa Comment
  SEINET10702279 Image available Castilleja ambigua A. Arthur Heller 1902-5-24 Heller 5601 Napa Near Napa. Comment
  CAS-BOT-BC435519  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5793 Napa Giles Mead Ranch, W of Atlas Peak Rd., 2.4 km S of Foss Valley 487 Comment
  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
  UC1001194  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5395 Napa Summit of hills due e. of Yountville Comment
  JEPS46013  Castilleja applegatei subsp. martinii L. R. Heckard 1957-7-26 817 Napa Summit of Mt. St. Helena road Mt. St. Helena (along Highway 29) 609 Comment
  RSA97987  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  UC199390  Castilleja applegatei subsp. martinii H. P. Chandler 1907-5-14 7580 Napa White Sulphur Springs; St. Helena Comment
  UCD122290  Castilleja applegatei subsp. martinii Robert Kehlor 1951-4-28 39 Napa In Putah Canyon above Recreation Beach, 10 miles west of Winters. Comment
  CHSC114025  Castilleja applegatei subsp. pinetorum Richard R. Halse 2013-3-27 8753 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  JEPS86222  Castilleja attenuata L. R. Heckard 1970-5-4 2448 Napa ca 10 mi n Vallejo (on n side of Kelly Rd, 0.5 mi n of CA Hwy 12, near junction of Hwy 12 and Hwy 29) Comment
  JEPS21807  Castilleja densiflora subsp. densiflora Margaret Whitmore 1958-4-11 42 Napa 2 mi n Napa (on Atlas Peak Road) 16 Comment
  POM182709  Castilleja foliolosa D. D. Keck 1931-4-2 1020 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD170838  Castilleja foliolosa 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. Above Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 200 Comment
  UC604128  Castilleja minor subsp. spiralis Milo S. Baker 1938-8-22 9222 Napa Lower Lake to Knoxville Road (just s of Lake-Napa County line); Knoxville Ridge Comment
  CDA41394  Castilleja rubicundula A. C. Browne 1953-5-27 s.n. Napa Calistoga. 0 Comment
  OBI9361  Castilleja rubicundula Rimo Bacigalupi, J. R. Sweeney 1953-5-26 4124 Napa 5.5 mi N of Calistoga, (measured from S.R. station crossing, in town) along road to Middletown (Calif no. 29) 411 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
  UC75151  Castilleja rubicundula subsp. lithospermoides C. F. Baker 1903-5-8 2965 Napa Knoxville Comment
  UCD123048  Castilleja rubicundula subsp. lithospermoides Gerald D. Carr; R. F. Denno 1971-5-13 544 Napa Roadside field, 1.0 mi N of jct. of Lower Chiles Valley Rd. with Calif. 128, on Lower Chiles Valley Rd. Comment
  JEPS11153  Castilleja rubicundula subsp. rubicundula W. L. Jepson 1938-6-11 19010 Napa Knoxville Ridge Comment
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Jun 18 2012
  UCD161612  Catalpa Jake Ruygt 2001-9-22 4335 Napa NE corner of Highway 29 at Trancas St. 22 Comment
  UC80037  Ceanothus confusus C. C. Parry 1881-1 Napa Calistoga Comment
  CAS-BOT-BC48942  Ceanothus cuneatus Peter H. Raven 1951-5-20 2850 Napa hills w. Oakville 548 Comment
  CAS-BOT-BC48943  Ceanothus cuneatus H. E. McMinn 1925-1-24 1392 Napa Along road from summit of Wooden Valley grade to Montecello Comment
  CDA11901  Ceanothus cuneatus G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 A Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  POM136486  Ceanothus cuneatus Alice Eastwood 1922-5-4 11281 Napa Mt. St. Helena. Comment
  UCD111789  Ceanothus cuneatus D. S. Totah 1948-3-18 8 Napa Putah Canyon. Comment
  UCD162091  Ceanothus cuneatus Dylan O. Burge 2014-3-15 1488 Napa Mount Saint Helena. 850 Comment
  UCD19322  Ceanothus cuneatus M. A. Bibbo; E. Dean 2001-7-6 14 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 2.6 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a W facing slope. 228 Comment
  CAS-BOT-BC48937  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-4-27 DOB 899 b Napa Vaca Mountains, on east-west trending ridge south of East Mitchel Canyon, 15.2 road miles (24.3 km) west of Hwy 505 270 Comment
  RSA755233  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 DOB 899 c Napa Vaca Mts.: on E-W trending ridge S of East Mitchel Canyon, 15.2 road miles W of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 degrees true ENE of Rutherford. 270 Comment
  UC18282  Ceanothus cuneatus var. cuneatus Mrs. D. O. Hunt 1899-2-27 Napa near Villa Remi, St. Helena. Glass Mt. Comment
  CAS-BOT-BC49111  Ceanothus cuneatus var. ramulosus Ira L. Wiggins 1932-3-12 5766 Napa Hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC49791  Ceanothus divergens C. H. M. 1907-7-27 s.n. Napa Mt. St. Helena 731 Comment
  CAS-BOT-BC49794  Ceanothus divergens Carl B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  CAS-BOT-BC49808  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi south of Calistoga Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64434  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64440  Ceanothus divergens John Thomas Howell 1941-3-9 16154 Napa W. of Rutherford. Comment
  JEPS42261 Image available Ceanothus divergens W. L. Jepson 1897-5-2 14037 Napa Rebecca Ranch Grade, Upper Napa Valley. Near Calistoga, i.e. westerly = Hoods Peak Range Comment
  SJSU14047  Ceanothus divergens C. L. Schmidt 1987-2-27 1136 Napa Kortum Canyon Rd c. 2 mi SE of Calistoga 298 Comment
  SEINET12211279  Ceanothus divergens W. Knight, Schmidt, C. 1987-1 6058 Napa Kortum Canyon Road 274 Comment
  OBI10525  Ceanothus foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 mi SW of Angwin 244 Comment
  RSA285633  Ceanothus foliosus D. C. Michener 1982-7-25 4116 Napa 2 miles SW of jct with college way in anguin. Comment
  UC18329  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa New Eden, Howell Mt. Grade Napa River Basin Comment
  UC67651  Ceanothus foliosus E. L. Greene Apr 1892 Napa Mt. St. Helena Comment
  UC79972  Ceanothus foliosus Katharine Brandegee April 1889 Napa Mt. St. Helena Comment
  CAS-BOT-BC50909  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4566 Napa Petrified Forest Comment
  CAS-BOT-BC50915  Ceanothus foliosus var. foliosus C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC50921  Ceanothus foliosus var. foliosus L. R. Abrams 1928-5-4 12260 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC50924  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-3 1827 Napa Base of 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
  RSA10662  Ceanothus foliosus var. vineatus Carl B. Wolf 1928-5-3 s.n. Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC63746  Ceanothus incanus H. E. McMinn 1922-5-27 41 Napa Between Saratoga & Big Basin. Comment
  UCD169651  Ceanothus integerrimus Jake Ruygt 2010-5-6 5546 Napa Snell Valley Road ant [sic] Butts canyon Rd. 198 Comment
  CAS-BOT-BC50638  Ceanothus jepsonii H. M. Hall 1931-5-27 13098 Napa Near Knoxville Comment
  CAS-BOT-BC50639  Ceanothus jepsonii C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  JEPS20114  Ceanothus jepsonii Willis L. Jepson 1896-2-23 14032 Napa near New Eden (Howell Mt. Grade); Napa River Basin Comment
  RSA0056202  Ceanothus jepsonii var. purpureus Keith E. Hoffmaster 1946-3-23 1226 Napa Napa range, near summit of Napa-Monticello road. 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
  UC1299587  Ceanothus oliganthus var. sorediatus Freed W. Hoffman 1947-3-20 944 Napa near summit of Trinity Road between Dry Creek and Oakville; North Coast Ranges, btw Dry Creek and Oakville Comment
  UCD49126  Ceanothus oliganthus var. sorediatus L. Wynholds; S. Du Plessis, B. Erickson, and C. Mallek 2001-4-14 23 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd. 266 Comment
  CAS-BOT-BC53178  Ceanothus parryi C. Hart Merriam 1919-9-12 s.n. Napa Napa (hills 4 miles NE) Comment
  CAS-BOT-BC53182  Ceanothus parryi Lester Rowntree 1933-4-17 s.n. Napa Near St. Helena Comment
  JEPS42242  Ceanothus parryi W. L. Jepson 1938-5-22 18820 Napa Limekiln Creek Canyon Pope Valley (lower slopes) Comment
  JEPS42254  Ceanothus parryi Willis L. Jepson 1893-4-28 14023 Napa plateau betw Mt. George and Milliken Creek Wooden Valley grade; Napa Range Comment
  RSA22301  Ceanothus parryi Joseph A. Ewan 1937-5-23 10329 Napa Summit trail of Mount St. Helena Comment
  UC338134  Ceanothus parryi C. C. Parry May 1888 Napa Calistoga Comment
  UC917338  Ceanothus parryi R. L. Smith 1948-5-8 Napa 6 miles north of Aetna Springs, Pope Valley Comment
  UCR43182  Ceanothus parryi L. F. LaPre 1985-5-2 s.n. Napa Along Livermore Road between Hwy 29 (At Mountain Mill House Girl Scout Camp) and white point, near Lake Co. line and south of Three Peaks 671 Comment
  HSC18366  Ceanothus prostratus C. B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  JEPS42264  Ceanothus prostratus Willis L. Jepson 1893-5-4 14036 Napa Mt. St. Helena Napa River Basin 914 Comment
  RSA10637  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1853 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC52189  Ceanothus purpureus H. E. McMinn 1925-1-24 1367 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52197  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3833 Napa Summit of Wooden Valley Grade east of Napa Comment
  CDA11159  Ceanothus purpureus G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11571 Napa North Coast Biodiversity Arena; Howell Mtn., W face, 2-3 mi. W of Angwin, alongside Howell Mtn Rd. Comment
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Jul 28 2008
  JEPS110729  Ceanothus purpureus Jake Ruygt 1977-3-7 147 Napa east of east end of Westgate Dr., Silverado 274 Comment
  JEPS2521 Image available Ceanothus purpureus W. L. Jepson 1893-4-28 Napa Mt. George gorges n of; Napa River Basin; Mt. George, Napa River Basin Comment
  SEINET3162951  Ceanothus purpureus L. S. Rose 1939-4-16 39069 Napa 4 mi. ne. of Napa 198 Comment
  UCD112679  Ceanothus purpureus Roman Gankin 1966-3-3 685 Napa State Highway 121, 1.9 miles southwest of its junction with Wooden Valley Road. Comment
  UCD123869  Ceanothus purpureus D. O. Burge 2007-5-4 905 e Napa Atlas Road, at roadside 5.7 road miles (9.1 km) north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 deg. (True) NNE of Napa. 410 Comment
  UCR136719  Ceanothus purpureus L. S. Rose 1948-3-8 48010 Napa Wooden Valley Grade, 6 mi NE of Napa 183 Comment
  CDA35683  Ceanothus purpureus N. van Kleeck 1971-3-21 Napa East side of the Napa Valley. 0 Comment
  SEINET12210810  Ceanothus purpureus W. Knight, Knight, I. 1982-1 4658 Napa Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC52896  Ceanothus velutinus Brandegee 1889-4-1 3 Napa Mt. St. Helena Comment
  UC521698  Ceanothus velutinus Joseph Andorfer Ewan 1933-9-17 8002 Napa near Stevenson monument; Mt. St. Helena Comment
  JEPS44135  Centaurea calcitrapa W. L. Jepson 1893-1 Napa Oak Knoll Napa Valley, Oak Knoll Comment
  CAS-BOT-BC277059  Centaurea melitensis Volney Rattan 1897-5-19 s.n. Napa Elmira Comment
  CAS-BOT-BC277210  Centaurea solstitialis A. D. E. Elmer 1903-7-1 4943 Napa Napa Comment
  JEPS122700  Centaurea virgata subsp. squarrosa Jake Ruygt with Aigner and Koehler Aug, 2005 4961 Napa Morgan Valley Road just north of road to Harrison Mine. Quad: Jericho Valley. Comment
  JEPS106534  Centaurium muehlenbergii Jake Ruygt 1995-7-12 3515 Napa about 2 miles south of Lake Hennessey on private drive (Taylor 432 Comment
  JEPS46939  Centaurium trichanthum W. L. Jepson 1938-9-24 19022 Napa canyon of Limekiln Creek Pope Valley 304 Comment
  UC141232  Centaurium trichanthum unknown Aug 1883 Napa Calistoga Comment
  JEPS46943  Centaurium trichanthum W. L. Jepson 1918-6-24 7663 Napa Calistoga 109 Comment
  JEPS81885  Centaurium trichanthum Roger Raiche 1982-7-25 20641 Napa Butts Canyon Road Comment
  UC1245376  Centaurium venustum J. P. Tracy 1950-5-23 18667 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek, La Jota Plateau 518 Comment
  UC1746024  Centaurium venustum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2771 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS12603  Centromadia parryi subsp. parryi R. F. Hoover 1941-8-24 5578 Napa near Calistoga; Myrtledale Hot Springs Comment
  UC1223089  Centromadia parryi subsp. parryi Joseph P. Tracy 1950-8-11 19301 Napa Calistoga Hot Springs Comment
  JEPS106652  Centromadia pungens subsp. pungens Jake Ruygt 1987-6-29 2093 Napa Horseshoe Bend, Napa River 3 Comment
  UC480899  Centromadia pungens subsp. pungens Katharine Brandegee Napa St. Helena Comment
  UC421613  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 mi n Vallejo Comment
  JEPS112623  Centunculus minimus Jake Ruygt 1986-5-24 1782 Napa Pope Canyon Rd. at large vernal pool 187 Comment
  CAS-BOT-BC179386  Cercis occidentalis H. E. McMinn 1922-6-8 206 Napa Along Pope Creek in the canyon (not in the upper flats) by Pope Valley. Comment
  HSC14637  Cercis occidentalis Greg Bos 1963-3-3 21 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  RSA195520  Cercis occidentalis John H. Thomas 1955-5-21 5156 A Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  SBBG29889  Cercis occidentalis E. Crum 1937-8-8 1956 Napa Putah Crk Cyn, 7 mi SE of Monticello Comment
  UCD48886  Cercis occidentalis S. Colby; L. Hanson, D. Bosworth, K. Sesser, and G. Belley 2001-4-14 27 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along South Decker Canyon Rd, N of jct with Cut-Off Rd. 152 Comment
  UC1784135  Cercocarpus betuloides Ethel Crum 1930-1 814 Napa St. Helena Comment
  UC859435  Cercocarpus betuloides var. betuloides Alice Eastwood, John Thomas Howell 1937-4-4 3831 Napa Grade e of Napa (Wooden Valley); Wooden Valley Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena Comment
  UCD170660  Chaenactis glabriuscula var. glabriuscula 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 139 Comment
  JEPS41082  Chaenactis glabriuscula var. heterocarpha Rimo Bacigalupi, and L. R. Heckard 1965-5-15 9093 Napa 1/2 mi se Devilhead Road (from Knoxville to Cedar Valley) (headwaters of creek); Zim Zim Creek 487 Comment
  UC90157  Chaenactis glabriuscula var. heterocarpha C. F. Baker 1903-5-8 2967 Napa Knoxville Pacific Coast, Knoxville Comment
  UCD170675  Chaenactis glabriuscula var. heterocarpha Matthew Conner; Plant Science 102 class 2018-4-28 11 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
  HSC81993  Chaenactis glabriuscula var. heterocarpha Thomas W. Nelson, Jane P. Nelson 1980-5-3 5158 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  UCD130360  Chaenactis glabriuscula var. heterocarpha Robert E. Preston 1988-4-10 575 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, 268 Comment
  CDA34673  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  SEINET10844555  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 Ahart 16437 -A Napa T8N, R3E, east border of southwest 1/4 Section 30. Normal size plant, on dry bare soil, below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3-4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC1537004  Chamaesyce serpyllifolia Gordon H. True 1937-7-30 826 Napa near Aetna Springs 365 Comment
  UC869111  Chamaesyce serpyllifolia Milo S. Baker 1938-8-22 9224 Napa Lower Lake-Knoxville Road just S of Lake-Napa Co. line Comment
  UCD137456  Cheilanthes gracillima Herbert L. Mason 1936-3-14 2736 Napa Mt. St. Helena. Comment
  CAS-BOT-BC68159  Cheilanthes intertexta John Thomas Howell 1931-4-4 6169 A Napa Mt. St. Helena region - Crater Country Comment
  UCD20504  Cheilanthes intertexta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1075 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
  JEPS59713  Chenopodium ambrosioides W. L. Jepson 1892-10-22 Napa St. Helena Napa River Comment
  UCD148776  Chenopodium berlandieri Jake Ruygt 2006-7-22 5076 Napa Rutherford. Napa River north of Zinfandel Lane. 56 Comment
  CDA3106  Chenopodium vulvaria Croxdale 1991-5-22 Napa 6071 Solano Avenue, north of Napa. 0 Comment
  UCD98466  Chenopodium vulvaria Irving Grover 1958-6-24 Napa exact location unknown. Comment
  UCD160735  Chlorogalum pomeridianum Ellen Dean 2015-5-23 8787 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. 231 Comment
  UCD68010  Chlorogalum pomeridianum P. J. Plummer 1995-6-5 s.n. Napa Napa County Highway 128. 73 Comment
  JEPS129032  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 2016-5-14 6257 Napa Missimer-Snell Valley Wildflower Preserve. Aetna Springs 7.5' Quad. Comment
  UCD117756  Chlorogalum pomeridianum var. pomeridianum Lisa Arimoto; 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
  UCD14532  Chlorogalum pomeridianum var. pomeridianum L. Coats 1983-5-29 51 Napa Napa Co.; J and M Ranch, end of Green Valley Road, 1 mile from intersection of Coombsville Road and Wild Horse Valley Road; approximately 100 yards inside gate, next to road; Comment
  CAS-BOT-BC238000  Chloropyron molle subsp. molle Gordon True; Catherine Best 1981-9-12 s.n. Napa At Logan Island Comment
  UCR24252  Chorizanthe membranacea John C. Roos 1939-5-6 294 Napa North Coast Range, Pacific Union College, Bell's Canyon near Three Peaks 862 Comment
  POM262795  Chorizanthe membranacea J. C. Roos 1939-5-6 294 Napa Near Three Peaks, Napa Range 915 Comment
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  UC912476  Chorizanthe membranacea H. L. Mason 1934-4-30 8104 Napa 5 mi s Monticello (tributary of Putah Creek); tributary of Putah Creek Comment
  CAS-BOT-BC252839  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-5 4603 Napa Petrified Forest Comment
Read comments
Apr 17 2018
  CAS-BOT-BC252840  Chorizanthe polygonoides var. polygonoides Catherine Best 1980-4-12 s.n. Napa Rocky area on Stage Coach Canyon Road about 3 1/2 miles NW of Waller's Springs Comment
  JEPS106527  Cicendia quadrangularis Jake Ruygt 1982-5-4 1226 Napa Suscol plain between Steel Mill and HWY 29 (221) 3 Comment
  UCD159451  Cichorium intybus D. S. Park 2010-8-5 207 -2 Napa East of Lake Hennessey. Rt. 128, Sage Canyon Rd. Disturbed, roadside. 102 Comment
  UCD159464  Cichorium intybus D. S. Park 2010-8-13 218 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  CDA1212  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  JEPS106933  Cirsium occidentale var. venustum Jake Ruygt 1979-5-13 591 Napa .8 miles east of Dry Creek Rd. on Oakville Grade 192 Comment
  UC1301212  Cirsium occidentale var. venustum Helen K. Sharsmith 1962-6-3 5116 a Napa near Angwin (w slope of Mount Howell); San Francisco Bay Region, Mount Howell 487 Comment
  POM180786  Cirsium occidentale var. venustum J. T. Howell 1930-7-13 5343 Napa 5 miles below the old Toll House, Mt. St. Helena Comment
  UC30821  Cirsium quercetorum Willis L. Jepson 1893-6-24 Napa near Napa; Napa River Basin Comment
  RSA0070870  Cirsium remotifolium J. T. Howell 1941-6-21 16314 A Napa Hills SW of St. Helena. Comment
  UC1196999  Clarkia Joseph P. Tracy 1938-6-5 15826 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  UC930763  Clarkia amoena Alice Eastwood, John Thomas Howell 1939-6-11 7421 Napa sw Oakville; Hood Mt. Range Comment
  UCD104022  Clarkia amoena J. Buck 1996-6-2 24 Napa Highway 128 by Hennessey Lake on the side of the road. 48 Comment
  CAS-BOT-BC160919  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1939-6-11 7421 Napa Hood Mt. Range sw. of Oakville Comment
  CAS-BOT-BC160920  Clarkia amoena subsp. amoena M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS43635  Clarkia amoena subsp. huntiana Willis L. Jepson Aug 1892 14349 Napa Napa Valley Comment
  LA45414  Clarkia concinna J. A. Ewan; 1934-4-30 8858 Napa 4 mi. above Samuel Springs, Pope Valley Grade Comment
  CAS-BOT-BC172179  Clarkia concinna Peter H. Raven 1950-6-20 2365 Napa Above Conn Valley Comment
  HSC81860  Clarkia concinna Thomas W. Nelson, Jane Nelson 1980-5-3 5156 Napa Junction of Butts Canyon Rd. & Snell Valley Rd. 197 Comment
  OBI48652  Clarkia concinna Joseph Andorfer Ewan 1934-4-30 8858 Napa 4 mi above Samuel Springs, Rays Valley Grade Comment
  JEPS110767  Clarkia concinna subsp. concinna Jake Ruygt 1987-6-5 2021 Napa Wild Horse Valley Ranch, in canyon east of valley 463 Comment
  JEPS43613  Clarkia concinna subsp. concinna W. L. Jepson 1896-6-2 14426 Napa mouth Conn Valley (Conn Ridge); Napa Valley Comment
  UCD104446  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128, ca. 2 miles E of Lower Chiles Valley Road. 300 Comment
  UCD104547  Clarkia gracilis R. C. Herner 1965-5-8 24 Napa State Highway 128, 8 miles W of Monticello Dam. Comment
  CAS-BOT-BC164629  Clarkia gracilis subsp. gracilis Peter H. Raven 1952-5-26 4041 Napa St. Helena to Howell Mt. 304 Comment
  JEPS85844  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  UC1563877  Clarkia purpurea subsp. quadrivulnera Barbara Ertter with Annetta Carter 1989-5-28 8503 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road, n of Lake Berryessa); Eticuera Creek 304 Comment
  CAS-BOT-BC163689  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-24 3032 Napa Valley floor e. of Napa 60 Comment
  UCD167277  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1976-5-14 84 Napa southwest of intersection Mount Veeder Road and Dry Creek Road. 182 Comment
  UC1301111  Clarkia purpurea subsp. viminea Helen K. Sharsmith 1962-6-3 5114 Napa near Angwin; San Francisco Bay Region, Mount Howell 487 Comment
  CAS-BOT-BC164774  Clarkia rhomboidea Peter H. Raven 1951-6-10 2907 Napa E. of Toll House, Mt. St. Helena 792 Comment
  UCD105083  Clarkia unguiculata J. D. Skoss 1948-6-6 20 Napa Putah Canyon. Comment
  CAS-BOT-BC439131  Claytonia exigua subsp. exigua Ella Dales Cantelow 1939-4-8 2521 Napa 1/2 mi. n.e. of Pacific Union College, Howell Mt. Comment
  RSA195386  Claytonia exigua subsp. exigua Gilbert Muth 1967-4-9 602 Napa Aetna Spring Road. 305 Comment
  CAS-BOT-BC439374  Claytonia gypsophiloides L. R. Abrams 1928-5-3 12241 Napa Summit St. Helena Grade Comment
  UC634937  Claytonia gypsophiloides H. L. Mason 1926-3-3 2716 Napa Mt. St. Helena Comment
  JEPS112611  Claytonia parviflora subsp. parviflora Jake Ruygt 1989-4-8 2253 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCR12051  Claytonia perfoliata Coleta A. Lawler 1964-3-24 04 Napa Henry Road, c. 0.5 mi. from junction with Buhman Avenue, c. 3 mi. west of Napa 8 Comment
  UCD15053  Claytonia perfoliata Joe Smilanick 1977-4-16 7 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam; 182 Comment
  CAS-BOT-BC440045  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1918-5-1 s.n. Napa Mt. St. Helena Comment
  UCD49148  Claytonia perfoliata subsp. perfoliata C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  CAS-BOT-BC440043  Claytonia perfoliata subsp. perfoliata Elsa G. Ruckert 1960-2-7 10 Napa 6495 Dry Creek Road. Field, 300 yards east of house 365 Comment
  UC9065  Clematis lasiantha Willis L. Jepson 1893-4-25 Napa trail to <Caux's> Cabin Mt. St. Helena Comment
  UCR106847  Clematis lasiantha A. Bennett 1977-4-17 13 Napa Inner Coast Range, Hwy 128, 4.6 mi. west of Monticello Dam Comment
  JEPS129134  Clinopodium douglasii Jake Ruygt 1979-5-29 639 Napa 1.9 NW of Browns Valley Road on Redwood Road. Napa 7.5' Quad. Comment
  JEPS112523  Collinsia greenei Jake Ruygt 1983-6-12 1493 Napa Mt. St. Helena, Red Hill 624 Comment
  RSA187487  Collinsia heterophylla John H. Thomas 1955-5-21 5169 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  UC192735  Collinsia heterophylla C. F. Sonne Apr 1897 Napa near Napa City Comment
  UCD123619  Collinsia heterophylla M. R. Wanzer 1948-5-22 26 Napa Putah Canyon, 12.5 miles west of Winters. Comment
  UCD123662  Collinsia sparsiflora G. L. Webster 1967-3-23 7495 Napa ca. 1 mi S of Spanish Flat. 167 Comment
  UCD20036  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1202 Napa Mount Saint Helena, in area where J. M. Tucker hybridized Quercus. Comment
  CHSC22324  Collinsia sparsiflora var. arvensis Katherine Steedman 1965-4-3 39 Napa 1.5 mi e of Pope Valley. 152 Comment
  HSC58982  Collinsia sparsiflora var. arvensis George E. Johnston 1974-4-4 1020 Napa Near Bell Canyon 427 Comment
  UC1196820  Collinsia sparsiflora var. arvensis Joseph P. Tracy 1933-4-30 12110 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, Howell Mountain, La Jota Plateau); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 Comment
  RSA296438  Collinsia sparsiflora var. arvensis Helen-Mar Wheeler 1944-3-27 s.n. Napa Conn Ranch, about 1.8 miles north of south end of Conn Valley. Comment
  UC1301186  Collinsia sparsiflora var. collina Helen K. Sharsmith 1963-3-17 5224 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  JEPS6318  Collinsia sparsiflora var. collina Willis L. Jepson 1893-4-23 21232 Napa n of Wooden Valley Grade Tranchos Gorge; Napa Range 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
  UCD123679  Collinsia sparsiflora var. sparsiflora G. E. Johnston 1974-4-4 6118 Napa Bell Canyon, quadrangle near Angwin. 426 Comment
  JEPS112527  Collinsia tinctoria Jake Ruygt 1978-5-21 325 Napa 2.2 miles north of Chiles-Pope Valley Rd on Sage Canyon Rd. 134 Comment
  JEPS7313  Collinsia tinctoria Willis L. Jepson 1893-6-26 21328 Napa Angwin's Meadows; Napa River Basin; Howell Mtn. Comment
  SEINET2444680 Image available Collomia diversifolia Dean W. Taylor 1998-6-18 16671 Napa Butts Canyon. Small side canyon 0.5 mi above (north of) mouth into Pope Valley.; 0 290 Comment
  UC1736677  Collomia diversifolia Dean W. Taylor 1990-5-25 10813 Napa Butts Canyon Road, near junction with Snell Road. 204 Comment
  UCSC009039  Collomia diversifolia Dylan M. Neubauer 2015-4-26 141 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS110954  Collomia heterophylla Jake Ruygt 1997-3-23 3813 Napa Small peak (Kujo) south of Bismark Knob 612 Comment
  JEPS106937  Conyza canadensis Jake Ruygt 1992-8-31 3134 Napa west side of Leoma Lakes, Wild Horse Valley Ranch 405 Comment
  JEPS7005  Cordylanthus mollis subsp. mollis Peter H. Raven 1952-8-26 5138 Napa salt marshes Bentley Wharf 15 Comment
  UC103417  Cordylanthus pilosus subsp. pilosus Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  JEPS41126  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-5 9138 Napa western end Calistoga (on Calistoga grade of Calif. Hwy 29; 6.6 mi from junction of Calif. Hwy 29 and 128) Comment
  JEPS69349  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang and Carl Chuang 1972-7-22 7073 Napa 2 mi n St. Helena (summit of route 29) Comment
  RSA537658  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang, Carl Chuang 1972-7-22 7073 Napa 2 mi. N. of St. Helena. Comment
  JEPS112550  Cordylanthus pringlei Jake Ruygt 1969-12-31 3779 Napa HWY 29, .15 mile fron Lake County line. 463 Comment
  JEPS69350  Cordylanthus pringlei T. I. Chuang 1972-7-8 7062 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  UC762583  Cordylanthus pringlei R. F. Hoover 1941-8-24 5574 Napa e side of Mt. St. Helena 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
  UC1357611  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
  JEPS62597  Cordylanthus tenuis subsp. brunneus T. I. Chuang with Fei-Mei Chuang 1970-7-25 6831 A Napa just s of Napa and Lake County Line (on U.S. Highway 29); U.S. Highway 29 Comment
  CAS-BOT-BC209800  Cornus glabrata John Thomas Howell 1929-8-4 4359 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  RSA41989  Cornus glabrata Ella Dales Cantelow 1939-5-7 2530 Napa 3.5 miles S.E. of Knoxville. Comment
  UC1280738  Cornus glabrata H. E. McMinn 1922-6-8 203 Napa along rd. by stream from Monticello to Napa; Napa Mts., Pope Creek Comment
  UC412933  Cornus glabrata H. P. Chandler 1907-5-30 7598 Napa St. Helena, White Sulphur Spring Comment
  SEINET3089139 Image available Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCSB27481  Corylus cornuta subsp. californica Havlik, Neil 1969-6-29 Napa Along State Highway 29, on the northeast slope of Mount St. Helena, about 2 miles south fo the Napa-Lake County Line Comment
  JEPS106938  Cotula australis Jake Ruygt 1979-2-22 433 Napa west slope of Mt. George near Mt. George Ave. 91 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
  UC1950066  Crypsis schoenoides Barbara Ertter with Elizabeth Neese 1988-10-2 7958 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges; S side Rt 128 across from spillway Comment
  CDA43110  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  RSA0020855  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Road near Knoxville. 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill. 350 Comment
  SEINET3930503  Crypsis schoenoides David Keil 1986-11-8 19798 Napa Along Lake Berryessa Knoxville Road near Knoxville. Located 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill.; 0 350 Comment
  JEPS122995  Crypsis vaginiflora Jake Ruygt 1990-1-29 2432 Napa Napa Range about 1/2 mile south of Circle Oaks. Quad: Capell Valley. Comment
  CAS-BOT-BC189250  Cryptantha John H. Thomas 1958-4-19 7125 Napa About 2 miles SW of Oakville 152 Comment
  SEINET4206989  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 mi SE of Lake Co. line on Berryessa Rd.; 0 610 Comment
  UCR141015  Cryptantha clevelandii var. dissita Beecher Crampton 1954-5-20 1929 Napa Inner North Coast Ranges, 8 miles southwest of Monticello, along highway 128 305 Comment
  JEPS85017  Cryptantha flaccida Larry Heckard and Mary Ashton 1969-5-3 2227 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 510 Comment
  JEPS106700  Cryptantha hispidula Jake Ruygt 1993-4-12 3205 c Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  JEPS106702  Cryptantha hispidula Jake Ruygt 1993-5-1 3239 Napa end of Cedar Creek Rd, to southwest 420 Comment
  RSA127499  Cryptantha hispidula M. S. Baker 1938-4-29 8939 Napa Serpentine along road from Monticello east of Pope Valley. Comment
  SEINET4856108  Cryptantha hispidula Carl F. Baker 1903-5-8 2966 Napa Knoxville. Comment
  UCD15987  Cryptantha hispidula C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 4 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11.3'' N; 122 deg. 21' 13.4'' W; 530 m. Comment
  UC78713 Image available Cryptantha hispidula C. F. Baker 1903-5-8 2966 Napa Knoxville; ; Knoxville, Napa Co. Comment
  JEPS106701  Cryptantha intermedia Jake Ruygt 1982-5-15 1255 Napa Buzzard's Roost, Stag's Leap 585 Comment
  UCD41409  Cryptantha intermedia Ellen Dean; T. and M. Starbuck 2004-4-3 2001 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. W of turn-off to old town of Knoxville, N side of road, about 0.5 airline miles WSW of site of old town of Knoxville. 437 Comment
  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
  UCD159914  Cryptantha muricata Alice Warrick 2008-4-5 Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Section E. 243 Comment
  UCD161579  Cryptantha muricata Jake Ruygt 2007-5-17 5178 Napa Duff Ranch, NW of Potato Hill. 792 Comment
  SEINET10569440  Cupressus Fisher 1881-1 Fisher s.n. Napa Calistoga Comment
  UCD47752  Cupressus macnabiana R. Blenkush; S. Hee, C. McWhorter. J. Moeller 2000-4-22 1 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  RSA96667  Cupressus macnabiana Percy C. Everett, E. K. Balls 1954-10-19 20371 Napa 3.9 miles NW of Knoxville on road to Lower Lake. 610 Comment
  CAS-BOT-BC85479  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-17 2152 Napa On Middletown-Calistoga road, 300 Ft. S. of Lake Co. line 457 Comment
  CAS-BOT-BC85482  Cupressus sargentii John Thomas Howell 1965-5-27 41324 Napa Along creek in Butts Canyon Comment
  CAS-BOT-BC85483  Cupressus sargentii John Thomas Howell 1927-8-24 3050 Napa Moist, rocky stream-bottom, Butts Valley, on Pope Valley-Middletown road, Napa Range Comment
  RSA17621  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-17 6196 Napa North side of Mt. St. Helena, 300 ft. south of Lake County line on Middletown - Calistoga road 457 Comment
  RSA85822  Cupressus sargentii F. W. Peirson, Mabel Peirson 1926-4-3 6623 Napa Northern edge of Napa County on Middletown Road Comment
  UC766733  Cupressus sargentii R. F. Hoover 1940-8-25 4543 Napa e side Mt. St. Helena Comment
  UCD167649  Cupressus sargentii Andrew Fulks 2015-3-21 s.n. Napa Cedar Roughs Wilderness Area, west of Lake Berryessa. 552 Comment
  SEINET10531527  Cupressus sargentii Peter H. Raven 1965-5-16 Raven 20209 Napa Cedar Valley, vicinity of Knoxville. 610 Comment
  UCD126264  Cuscuta californica Joe Solomone 1950-8-1 s.n. Napa above Monticello. Comment
  UCD170291  Cuscuta howelliana Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 831 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  POM180775  Cuscuta indecora J. T. Howell 1930-10-19 5624 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
Read comments
Feb 4 2011
  JEPS116546  Cuscuta occidentalis Jake Ruygt 1990-5-12 2540 Napa Wooden Valley, north of Wooden Valley School. Capell Valley 7.5' Quad. Comment
  UC585547  Cynodon dactylon Virginia E. Long 1931-8-22 103 a Napa Calistoga Hot Springs 111 Comment
  UCD119178  Cynoglossum grande Evert I. Schlinger 1952-3-16 19 Napa Putah Canyon. Comment
  SEINET5731319 Image available Cynoglossum grande R. F. Denno 1967-1 49 Napa Lower Chiles Valley Road, 1 mile NW of State Hwy 128. 229 Comment
  CDA1948  Cynosurus echinatus G. Breuer Jul 1957 Napa Calistoga. 0 Comment
  UC1177100  Cynosurus echinatus Peter H. Raven 1950-6-20 2352 Napa Howell Mountain Comment
  UCD141114  Cyperus eragrostis W. R. Russell 1952-8-8 s.n. Napa Y' north of Vallejo. Comment
  UCD35232  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa 4 miles east of Rutherford, shores of Conn Reservoir. Comment
  CAS-BOT-BC113822  Cyperus niger var. capitatus Peter H. Raven 1952-8-28 5163 Napa Road just above Napa Soda Springs (Soda Canyon Road) 243 Comment
  CHSC14003  Cystopteris fragilis C. Eiser 1974-4-24 30 Napa Ne Hwy 128, ca. 6 mi from Markley Canyon Launching, Lake Berryessa. 365 Comment
  JEPS103989  Cystopteris fragilis Jake Ruygt 1984-3-31 1518 Napa Devil's Canyon 548 Comment
  JEPS75997  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  UCD60992  Danthonia californica Beecher Crampton 1956-5-25 3488 Napa Along the headwaters of Sarco Creek, Howell Mtns. Comment
  JEPS110736  Datura stramonium Jake Ruygt 1987-5-27 2018 Napa Buchli Station, DFG- Huichica Creek property 1 Comment
  JEPS129031  Daucus pusillus Jake Ruygt 2016-5-21 6259 Napa Wantrup Wildlife Preserver, Hardin Road. Santa Helena 7.5' Quad. Comment
  UCD48431  Daucus pusillus S. Murphy; K. Keck and K. Dyer 2002-5-5 6 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 200 m from intersection of West and East roads, north side of upper road leading to power lines and tip parcels. 388 Comment
  UCD161519  Deinandra corymbosa Jake Ruygt 1990-5-11 2536 Napa Green Island Road at first bend in road. 8 Comment
  UCD63155  Deinandra corymbosa subsp. corymbosa Jake Ruygt 2007-5-25 5209 Napa between Buchli Station Rd. and Milton Rd. 1 Comment
  UCD95839  Delphinium hesperium H. Lewis; G. Mehlquist 1941-5-9 s.n. Napa Monticello to Napa road, 1.5 miles S. of road to St. Helena. Comment
  SEINET13094844  Delphinium hesperium f. pallescens Joseph Andorfer Ewan 1934-1 8835 Napa Along Steel Canyon Rd. 1/2 mi. from jct. with Monticello-Winters Rd. Comment
  UCD48153  Delphinium hesperium subsp. pallescens Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 18 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS41079  Delphinium hesperium subsp. pallescens Rimo Bacigalupi and L. R. Heckard 1965-5-15 9094 Napa along creek about 1 mi w Devilhead Road (from Cedar Valley to Knoxville) (edge of small valley); Zim Zim Creek 487 Comment
  LA38205  Delphinium hesperium subsp. pallescens Mehlquist; Baker 319 Napa 2 mi. N of Knoxville on rd. to Reiff Comment
  CAS-BOT-BC9812  Delphinium nudicaule John Thomas Howell 1931-4-2 6080 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  UCD20921  Delphinium nudicaule V. (Shorty) Boucher 2002-4-11 12 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At a bend along West Road, ca. 1000 airline feet E of the locality for Dean 898 - Saxifraga californica. Coordinates are for that locality. 243 Comment
  UCD95880  Delphinium nudicaule Heidi E. M. Dobson 1978-4-8 296 Napa East slope of Mt. Veeder. Comment
  UCD96061  Delphinium nudicaule G. L. Webster 1967-3-23 7487 Napa Along Chiles Creek c. 1 mi. SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  CAS-BOT-BC9809  Delphinium nudicaule Ella D. Cantelow 1939-4-8 2522 Napa Lower Lake Road, 6 mi. N of Jct. with Pope Creek Road Comment
  SEINET10762770  Delphinium nudicaule var. foliosum George Thurber Thurber 511 Napa 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
  RSA195349  Delphinium patens Gilbert Muth 1967-5-19 697 Napa Milliken Dam. 335 Comment
  UCD96553  Delphinium patens M. R. Wanzer 1948-4-3 7 Napa West side of small hill, Putah Canyon, 13 miles west of Winters. Comment
  CAS-BOT-BC116485  Delphinium patens subsp. patens E. Ruckert 1960-4-17 57 -408 Napa Meadow 100 feet southwest of private road leading in from 6495 Dry Creek Road 365 Comment
  CAS-BOT-BC116493  Delphinium patens subsp. patens C. B. Wolf 1928-5-3 1834 Napa base of Mt. St. Helena Comment
  CAS-BOT-BC116490  Delphinium patens subsp. patens P. H. Raven 1957-5-6 10775 Napa Hills at western edge of Calistoga 182 Comment
  JEPS60632  Delphinium uliginosum W. L. Jepson 1938-6-8 18900 Napa Snell Valley and Butts Canyon Comment
  UCD14290  Delphinium uliginosum S. Boshoven 1983-5-29 26 Napa Napa Co.; Berryessa-Knoxville Road, 6 miles northwest of Knoxville; 365 Comment
  SEINET12093076  Delphinium uliginosum F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -326 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  CAS-BOT-BC7912  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville 243 Comment
  RSA149657  Delphinium variegatum Harlan Lewis, G. Mehlquist 1941-5-8 s.n. Napa Monticello to Napa road 5.1 miles S of the road to St. Helena Comment
  UCD96742  Delphinium variegatum R. L. Smith 1948-5-8 s.n. Napa Near Edmunds Springs, east branch of Monticello Valley. Comment
  CAS-BOT-BC7909  Delphinium variegatum subsp. variegatum John Thomas Howell 1931-4-2 6102 Napa 4 miles from Monticello on Wooden Valley Road Comment
  UC638511  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1335 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
  UCD73385  Dendromecon rigida 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
  UC1103221  Deschampsia danthonioides J. P. Tracy 1902-5-19 1554 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  UC766810  Deschampsia danthonioides R. F. Hoover 1941-4-26 4922 Napa Pope Valley Comment
  CAS-BOT-BC43417  Descurainia sophia Peter H. Raven 1953-5-2 5361 Napa Along railroad tracks, Yountville. 76 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
  SEINET12045034  Dichelostemma capitatum Unknown 1972-1 14 Napa N shore of Lake Berryessa about 5 m above Monticella Dam, South Coast Range 274 Comment
  UC3246  Dichelostemma capitatum Willis L. Jepson 1893-1 Napa e of St. Helena; Napa River Basin Comment
  HSC45346  Dichelostemma capitatum subsp. capitatum R. York 1978-4-8 111 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  UCD170816  Dichelostemma capitatum subsp. capitatum 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  UCD70462  Dichelostemma capitatum subsp. capitatum B. Wengeler 1995-4-16 s.n. Napa West of City of Winters, 2 m W of Monticello Dam along hwy 128. Open hillside. Perennial, 24 in tall. Flowers purple. 158 Comment
  RSA195380  Dichelostemma capitatum subsp. capitatum Gilbert Muth 1967-4-16 637 Napa Snell Valley. 183 Comment
  UCD148738  Dichelostemma congestum Jake Ruygt 2005-6-7 4908 c Napa Napa County; ridge top west of Circle Oaks. 588 Comment
  CAS-BOT-BC502159  Dichelostemma congestum Peter H. Raven 1957-5-5 10773 Napa Hills at the western edge of Calistoga Comment
  UCD139265  Dichelostemma volubile Rolf Y. Berg 1963-6-1 s.n. Napa south side of Lake Berryessa, ca. 4 miles west of Monticello Dam, State Highway 128. Comment
  CDA18823  Digitaria sanguinalis J. A. Cooledge 1999-8-2 PDR 980770 Napa Growing in garden compost at 1032 Pueblo Ave., Napa, that originated from Idaho. 0 Comment
  SEINET13682807  Diplacus aurantiacus M. J. Williams 1967-5-7 s.n. Napa Howell Mountain [Road?], between St. Helena and Angwin. 259 Comment
  CAS-BOT-BC151959  Diplacus douglasii Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  SEINET183712  Diplacus kelloggii L. Constance 1938-1 2044 Napa Steel Cyn near Capell Valley, 8 mi S of Monticello, Napa Range, N Coast Ranges 305 Comment
  CAS-BOT-BC153277  Diplacus kelloggii Alice Eastwood 1915-5-1 6835 Napa Mt. St. Helena Comment
  CAS-BOT-BC153278  Diplacus kelloggii John Thomas Howell 1931-4-4 6165 Napa Crater Country, Mt. St. Helena region Comment
  CAS-BOT-BC153330  Diplacus layneae Peter H. Raven 1951-6-10 2915 Napa Crater Region, e. of Mt. St. Helena 762 Comment
  CAS-BOT-BC153409  Diplacus layneae Maxine Wilkes 1940-5-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC151335  Diplacus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon 304 Comment
  CDA6691  Dipsacus fullonum Margaret Bellue 1933-5-8 Napa 0 Comment
  JEPS61822  Disporum hookeri Willis L. Jepson 1893-4-25 Napa w of St. Helena (Napa River Basin, Trail to Caux's Cabin); Napa River Basin, Trail to Caux's Cabin Comment
  UC3565  Disporum hookeri Willis L. Jepson 1894-5-1 Napa Napa River Basin, Rebecca Ranch Grade Napa River Basin; , Rebecca Ranch Grade Comment
  UC796623  Disporum hookeri Ira L. Wiggins 1949-4-30 12088 Napa Mount St. Helena 914 Comment
  SBBG128696  Dittrichia graveolens L. Ahart 2009-10-27 16503 Napa sides of rds at intersection of Pope Cyn Rd and Berryessa Knoxville Rd, near Lake Berryessa, ca. 20 mi (air) W of Winters 152 Comment
  JEPS9525  Dodecatheon hendersonii Willis L. Jepson 1893-4-25 14588 Napa w St. Helena (Caux's Cabin, Napa River Basin); Napa River Basin, w of St. Helena Comment
  UC105761  Dodecatheon hendersonii Brandegee Apr 1889 Napa Mt. St. Helena Comment
  UCD49114  Dodecatheon hendersonii L. Wynholds; S. Du Plessis and B. Erickson, and C. Malleck 2001-4-14 24 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd. 266 Comment
  RSA461376  Dodecatheon hendersonii H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  SBBG83708  Dodecatheon hendersonii D. Belshaw 1975-4-12 5 Napa Lake Berryessa, 25.9 mi W of Davis on State Hwy 128 Comment
  JEPS126075  Downingia cuspidata Jake Ruygt 1978-5-14 307 Napa 0.3 miles south of Oak Knoll Ave. on Silverado Trail. Napa 7.5' Quad. Comment
  JEPS129169  Downingia cuspidata Jake Ruygt 2015-5-2 6086 a Napa West of Buck Mountain near Nevada. Knoxville 7.5' Quad. Comment
  JEPS106569  Downingia pusilla Jake Ruygt 1990-4-9 2469 Napa Milliken Reservoir, Napa City Watershed 356 Comment
  UC608447  Drymocallis glandulosa Beryl O. Schreiber 1936-3-5 2202 Napa 1.2 mi w Calistoga; w of Calistoga Comment
  JEPS110553  Drymocallis glandulosa var. glandulosa Jake Ruygt 1995-4-24 3446 Napa Mt. Veeder Road south of Lakoya Road, (Franciscan Estate) 304 Comment
  CAS-BOT-BC70948  Dryopteris arguta Carl B. Wolf 1928-5-3 1841 Napa base of Mt. St. Helena Comment
  CAS-BOT-BC70949  Dryopteris arguta Rimo Bacigalupi 1924-2-22 s.n. Napa Toll house, Mt. St. Helena 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
  JEPS49907  Dudleya caespitosa W. L. Jepson 1924-5-8 10418 a Napa Pope Creek 304 Comment
  HSC65075  Dudleya cymosa J. P. Smith, J. O. Sawyer 1970-5-17 3775 Napa 3 mi. S of Pope Valley Comment
  UC674804  Dudleya cymosa Thomas Morley 1941-5-11 131 Napa 5.4 mi ne Pope Valley store (on Middletown Rd) 304 Comment
  UC1350504  Dudleya cymosa Helen-Mar Wheeler 1953-5-23 Napa 2.5 mi w intersection of Montecello-Napa Rds 152 Comment
  CAS-BOT-BC428153  Dudleya cymosa subsp. cymosa John H. Thomas 1955-5-21 5165 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 274 Comment
  CAS-BOT-BC428155  Dudleya cymosa subsp. cymosa John Thomas Howell 1929-5-30 4281 Napa Sage Canon [Canyon], Napa Range Comment
  CHSC102266  Dysphania pumilio Lowell 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 miles (air) northwest of Winters. 130 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
  UC1562883  Echinodorus berteroi Barbara Ertter with Elizabeth Neese 1988-10-2 7968 Napa Lake Hennessey ca. 15 airmiles n.n.w. of Napa (e. of boat-launching ramp on s.e. edge, on Conn Creek in N. Coast Ranges); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  CAS-BOT-BC291129  Eclipta prostrata Peter H. Raven 1951-10-28 3941 Napa Conn Lake 152 Comment
  JEPS126048  Egeria densa Jake Ruygt 2005-4-10 4754 Napa Lake Camille. Mount George 7.5' Quad. Comment
  CAS-BOT-BC112775  Eleocharis macrostachya Lewis Samuel Rose 1935-6-4 35199 Napa Irrigation ditch, Oakville 45 Comment
  JEPS121356  Eleocharis macrostachya Jake Ruygt 1996-5-13 3666 Napa .9 mile south of Pope Canyon Road on Hardin Road. Comment
  JEPS129111  Eleocharis macrostachya Jake Ruygt 2015-5-13 6099 Napa East of Zim-Zim Creek parking lot. Knoxville 7.5' Quad. Comment
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  CDA29118  Elymus glaucus D. G. Kelch, Daniel Weinstein 2009-6-21 9 .448 Napa Near Skyline Park. Comment
  UC1153913  Elymus glaucus Beecher Crampton 1957-6-4 4097 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCR25608  Elymus glaucus John C. Roos 1939-5-13 256 Napa North Coast Range, Pacific Union College, Angwin 503 Comment
  CAS-BOT-BC203594  Elymus glaucus subsp. glaucus Peter H. Raven 1964-5-9 19047 Napa 2 miles west of Aetna Springs 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
  HSC10971  Elymus multisetus J. V. Lenz 1947-5-14 Napa SW of Monticello Comment
  POM295667  Elymus multisetus Lyman Benson 1934-6-15 6098 Napa N. side Mt. St. Helena; Mayacamas Mt. Range 762 Comment
  UCD167092  Elymus trachycaulus subsp. trachycaulus Jake Ruygt 2015-7-4 6145 Napa Missimer - Snell Valley Preserve. 180 Comment
  RSA14231  Epilobium brachycarpum Daniel Cleveland 1882-8-24 s.n. Napa Aetna Springs Comment
  SD7370  Epilobium brachycarpum Daniel Cleveland 1882-8-28 Napa Springs (see supplement) Comment
  JEPS38235  Epilobium campestre W. L. Jepson 1936-6-2 17609 Napa 2 mi s Yount School; e. side Napa Valley Comment
  UC221421  Epilobium canum subsp. canum H. M. Hall 1923-10-12 11924 Napa 16 mi w Monticello (on road to Lower Lake) Comment
  JEPS39259  Epilobium ciliatum subsp. ciliatum Willis L. Jepson 1893-9-24 14465 Napa Napa River Basin, Howell Mt. Howell Mt.; Napa River Basin, Howell Mt. Comment
  UCD160683  Epilobium densiflorum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8755 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  CAS-BOT-BC58023  Equisetum Elsa G. Ruckert 1960-3-26 44 Napa Dry Creek Road, near water tank from spring at the gate. 365 Comment
  JEPS120428  Equisetum hyemale Jake Ruygt 2007-4-21 5155 Napa Jameson Canyon at west end of narrow passage of highway. Comment
  CAS-BOT-BC57377  Equisetum laevigatum Peter H. Raven 1952-6-28 4215 Napa Pope Cr. below Samuel's Spr. 121 Comment
  JEPS103965  Equisetum telmateia Jake Ruygt 1993-3-7 3169 Napa end of Conn Valley Rd. (county road) 97 Comment
  CDA29728  Eragrostis cilianensis M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 212 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
  UCD116241  Eremalche parryi Eric S. Nagy 1990-4-29 005 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  UCD131309  Ericameria arborescens George Field 1966-1-8 s.n. Napa 1/2 miles west of Angwin. 487 Comment
  CAS-BOT-BC293619  Erigeron biolettii Peter H. Raven 1951-8-21 3867 Napa Ridge se. of Mt. Veeder 670 Comment
  UCD161582  Erigeron biolettii Jake Ruygt 2007-7-28 5252 Napa Duff Ranch, north side of Grassy Hill. (Coordinates converted from UTM data by label maker.) 719 Comment
  UCD160731  Erigeron reductus var. angustatus Ellen Dean 2015-5-23 8783 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  HSC45345  Eriodictyon californicum R. York 1978-4-8 113 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  JEPS121522  Eriodictyon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 203 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road 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
  JEPS120423  Eriogonum dasyanthemum Jake Ruygt 2010-8-24 5762 Napa Barton Hill, northwest shore of Lake Berryessa. Comment
  UCD99888  Eriogonum dasyanthemum D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  CAS-BOT-BC266059  Eriogonum luteolum Elizabeth McClintock 1952-8-31 52 -603 Napa About 4 miles north of Aetna Springs in Butts Canyon Comment
  JEPS19662  Eriogonum luteolum W. L. Jepson 1934-10-16 16924 Napa above The Cave (Adam and Eve Ridge); Howell Mt., Adam and Eve Ridge Comment
  JEPS110790  Eriogonum luteolum var. luteolum Jake Ruygt 1984-6-23 1572 Napa Hwy 29 near Lake Co. line: Detert Reservoir quad 502 Comment
  JEPS57051  Eriogonum luteolum var. luteolum Alice King July 1919 Napa Van Ness Ranch Mt. St. Helena Comment
  SEINET7064412  Eriogonum luteolum var. luteolum A. G. Vestal 1963-5-12 s.n. Napa Serpintine on Spring Mountain Road. (NAD83/WGS84). UTM Zone 10, 542003mE, 4263213mN. 299 Comment
  UC1198106  Eriogonum luteolum var. luteolum J. P. Tracy 1899-7-6 442 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UCD167100  Eriogonum luteolum var. luteolum Jake Ruygt 2015-6-20 6138 Napa Missimer - Snell Valley Preserve. 178 Comment
  SD22481  Eriogonum nudum Susan G. Stokes 1933-8-27 Napa Chiles Valley Comment
  SBBG83228  Eriogonum nudum L. F. LaPre, R. Bjork 1986-7-13 Napa Hunting Crk, 0.5 mi S of Dunnigan Hill, Jericho Valley' 7.5' Quad 335 Comment
  UCD164788  Eriogonum nudum var. auriculatum Jake Ruygt 2004-6-26 4625 Napa Skyline Park near Sugarloaf Peak. 411 Comment
  CAS-BOT-BC124286  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  SEINET3814250 Image available Eriogonum vimineum var. californicum Lewis S. Rose 1939-8-20 39357 Napa Chiles Creek Canoyn, 6 miles east of Rutherford. 213 Comment
  CAS-BOT-BC301060  Eriophyllum lanatum var. achilleoides Robert M. King 1980-7-9 8418 Napa 2-3 miles north of Calistoga Comment
  RSA195303  Eriophyllum lanatum var. achilleoides Gilbert Muth 1967-5-17 669 Napa Oat Hill Road, Calistoga 244 Comment
  CAS-BOT-BC301047  Eriophyllum lanatum var. achilleoides C. B. Wolf 1928-2-25 1487 Napa On the Mt. St. Helena Grade 2 miles below Hawkins Mountain Camp Comment
  CAS-BOT-BC301048  Eriophyllum lanatum var. achilleoides Mrs. H. C. Cantelow 1934-5-30 s.n. Napa Mt. St. Helena 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
  UC507185  Eriophyllum lanatum var. achilleoides Lincoln Constance 1931-3-21 138 Napa rock slide on Mount St. Helena Comment
  CAS-BOT-BC301174  Eriophyllum lanatum var. arachnoideum Betty H. Johnson 1958-6-8 608 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  UCD117766  Erodium botrys Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. 386 Comment
  UCD159949  Erodium cicutarium Alice Warrick 2007-5-11 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q-49. 243 Comment
  JEPS129141  Erodium moschatum Jake Ruygt 1980-3-2 805 Napa Corner of Marin Street and H Street, Napa. Napa 7.5' Quad. Comment
  UCD170277  Eryngium Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 811 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  UCD170346  Eryngium Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 845 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 586 Comment
  UCD77695  Eryngium aristulatum var. aristulatum Robert E. Preston 2005-8-17 2366 Napa 1 mi NW of Napa Junction. 14 Comment
  UC642245  Eryngium aristulatum var. aristulatum Joseph P. Tracy 1938-6-6 15837 Napa 5 mi. n. Napa City; Napa Valley 30 Comment
  UC765826  Eryngium aristulatum var. aristulatum R. F. Hoover 1937-8-31 2700 Napa Yountville Comment
  CAS-BOT-BC54306  Erysimum capitatum Mrs. H. C. Cantelow 1939-4-8 2498 Napa 0.5 mile south of Knoxville. Comment
  SD7101  Erythranthe guttata Brandegee Sept 1888 Napa Howell Mountain Comment
  SD7071  Erythranthe moniliformis Brandegee Sept 1888 Napa Howell Mt. Comment
  SEINET10667985  Erythranthe nasuta Charles F. Baker 1903-4-20 Baker 2608 Napa Mt. St. Helena Comment
  SEINET10953573  Erythranthe nasuta George Thurber Thurber 498 Napa Comment
  JEPS113963  Erythronium helenae Jake Ruygt 1976-4-15 10 Napa 3.1 miles west of Butts Canyon Road on Aetna Springs Road. Aetna Springs 7.5' Quad. Comment
  UCD101720  Eschscholzia caespitosa Shannon M. Still 2009-4-3 418 Napa California. Napa County: Along CA-128 at mile marker 29.26. 265 Comment
  UCD48074  Eschscholzia caespitosa R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 9 Napa Border of Yolo and Napa Counties, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  UCD73388  Eschscholzia caespitosa 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
  SEINET10536530 Image available Eschscholzia caespitosa Charles F. Baker 1903-4-20 Baker 2614 Napa Mount St. Helena. Comment
  UCD15073  Eschscholzia caespitosa Nicholas Ewing 1977-4-16 16 Napa California, Napa Co.; 0.8 miles east along East Bull Canyon off of Highway 128, 7.4 miles south-southwest of Monticello Dam; 152 Comment
  UCD95249  Eschscholzia caespitosa Alan P. Godlewski 1974-5-3 22 Napa west of Lake Berryessa, 100 yards from Highway 128. Comment
  RSA51295  Eschscholzia caespitosa subsp. caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley grade above Napa. 457 Comment
  CAS-BOT-BC403340  Eschscholzia californica Brandegee 1889-4-1 A Napa Mt. St. Helena Comment
  OBI11795  Eschscholzia californica R. L. Hoover 1968-4-20 55 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  UC126645  Eschscholzia californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7132 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS129127  Eucalyptus tereticornis Jake Ruygt 2001-3-21 4297 Napa Napa River on the east side of the oxbow, Napa. Napa 7.5' Quad. Comment
  JEPS106421  Euphorbia crenulata Jake Ruygt 1996-4-10 3578 Napa Soda Spring, White Cliff Springs 399 Comment
  UC447262  Euphorbia crenulata C. F. Baker 1903-4-20 2615 Napa Mt. St. Helena Comment
  UCSC009026  Euphorbia crenulata Dylan M. Neubauer 2015-4-24 128 Napa Sage Canyon Rd/Hwy 128, across from S edge Lake Hennessey, NCoRI 101 Comment
  UCD170738  Euphorbia spathulata 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD20020  Euphorbia spathulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1218 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  UCD149044  Eurybia radulina Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8189 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  RSA755363  Euthamia occidentalis L. Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  OBI74551  Euthamia occidentalis David J. Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestead McLaughlin Mine/Mill 350 Comment
  UC2026903  Euthamia occidentalis David Keil 1986-11-8 19797 Napa Along Lake Berryessa Knoxville Rd. near Knoxville 3.0 miles south of turnoff to Homestake McLaughlin Mine/Mill Comment
  CDA31330  Festuca californica D. G. Kelch 2010-5-6 10 .18 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD160801  Festuca californica Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8681 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
  UCD36169  Festuca californica Beecher Crampton 1952-3-24 1030 Napa 7.5 miles east of Rutherford, along Highway 128. Comment
  UCD65850  Festuca californica subsp. californica Beecher Crampton 1956-5-25 3459 Napa Head of Markley Canyon, Vaca Mtns. Comment
  CHSC83359  Festuca californica var. californica L. P. Janeway; B. Castro 2002-5-12 7542 Napa Inner North Coast Ranges. Near top of south side of canyon of Cedar Creek, along the road from Devilhead Road. 564 Comment
  UC187121  Festuca elmeri J. P. Tracy 1902-5-22 1629 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  CAS-BOT-BC279009  Festuca rubra Peter H. Raven 1952-5-31 4152 Napa W. of Rector Dam 182 Comment
  RSA92797  Festuca rubra P. H. Raven 1951-5-20 2837 Napa West of Oakville. 91 Comment
  RSA181404  Filago gallica James I. McMurphy 1910-6-7 s.n. Napa Between Napa Junction and Petaluma Comment
  UCD161315  Foeniculum vulgare Jake Ruygt 1978-6-18 357 Napa Napa, near railroad track south of Imola Avenue. (Coordinates estimated by label maker at UC Davis). 3 Comment
  JEPS44880  Fragaria vesca W. L. Jepson 1910-3-28 4021 Napa sw of Calistoga (on Rebecca Ranch grade) Comment
  CAS-BOT-BC437056  Fragaria vesca subsp. bracteata Alice Eastwood 1918-5-1 6824 Napa Mt. St. Helena Comment
  UCD19915  Frangula californica subsp. californica E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 771 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 219 Comment
  CAS-BOT-BC53522  Frangula californica subsp. tomentella Peter H. Raven 1951-10-28 3962 Napa Road n. of Knoxville 609 Comment
  CAS-BOT-BC53523  Frangula californica subsp. tomentella C. H. M. 1919-9-13 s.n. Napa Canyon House, Steel Creek (18 miles NE of Napa) Comment
  UCSB24693  Frangula californica subsp. tomentella McMinn, Howard 1922-07 Napa Pope Canyon Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC223443  Fraxinus dipetala Alice Eastwood 1930-4-13 17926 Napa Canon [Canyon] between Monticello and Pope Valley Comment
  UC1123368  Fraxinus dipetala A. Lewis 1932-5-16 80 Napa Weldon Canyon Napa Quad. 701 Comment
  UCD122035  Fraxinus dipetala W. W. Robbins 1928-3-1 1402 Napa Napa Hills. Comment
  CAS-BOT-BC223533  Fraxinus latifolia H. E. McMinn 1923-5-25 957 Napa Suisun Creek, between Rockville and Wooden Valley Comment
  UCD40902  Fremontia californica S. Boshoren 1983-5-29 25 Napa 5 miles from Knoxville, NW on Berryessa-Knoxville Road. Comment
  CAS-BOT-BC26108  Fremontia napensis Cornelia S. Masters 1915-6-15 s.n. Napa unspecified Comment
  CAS-BOT-BC26115  Fremontia napensis Mrs. Myron Hobson 1926-5-10 s.n. Napa North side of Mt. St. Helena Comment
  JEPS42891  Fremontodendron californicum W. L. Jepson 1943-5-15 20778 Napa Knoxville Ridge Comment
  JEPS42894  Fremontodendron californicum W. L. Jepson 1938-6-11 19005 Napa Knoxville Ridge 731 Comment
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Jun 12 2012
  SBBG26890  Fremontodendron californicum J. T. Howell 1939-5-7 Napa near head of Hunting Crk NW of Knoxville Comment
  UC726963  Fremontodendron californicum A. A. Heller 1941-5-16 16134 Napa 3 miles west of Knoxville on the road to Lower Lake Comment
  JEPS128912  Fremontodendron californicum subsp. californicum Jake Ruygt 1992-5-20 2996 Napa North of Leoma Lakes, Wild Horse Valley Ranch (Lair). Mount George 7.5' Quad. Comment
  CAS-BOT-BC130080  Fritillaria affinis 1930-4-5 s.n. Napa unspecified Comment
  JEPS33419  Fritillaria affinis Helen-Mar Beard and Wayne Roderick 1964-3-21 Napa 0.2 mi s of the Lake County Line (along Butts Canyon Road); Butts Canyon Road Comment
  POM169605  Fritillaria affinis C. F. Baker 1903-4-20 2618 Napa Mt. St. Helena. Comment
  SEINET3886765  Fritillaria lanceolata Suzanne E. May 1967-4-2 10 Napa 1 mile west of Monticello Dam, Highway 128.; 0 152 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
  JEPS113967  Fritillaria purdyi Jake Ruygt 1979-4-6 487 Napa .3 mile east of Butts Canyon Road, on Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  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
  UC765859  Fritillaria recurva R. F. Hoover 1941-4-26 4939 Napa e side of Mount St. Helena Mount St. Helena 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
  UCD67957  Galium aparine Caryn Franscioni 1977-4-24 6 Napa Eticuera Creek, 2.6 mi. SE of Knoxville mine. 304 Comment
  UC1034624  Galium bolanderi Milo S. Baker 1932-5-1 5715 Napa about 8 mi from Monticello; Pope Cr. 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
  UCD13190  Galium nuttallii Mark Streig 1976-4-22 1 Napa Lake Berryessa, 0.5 mi W of Monticello Dam, along hwy 128. Comment
  UCD159922  Galium porrigens Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43 - 2. 243 Comment
  UCR225658B  Galium porrigens Ellen Dean, Stephen Rae 2008-5-21 4985 Napa Hills to the west of Hwy 29. Private property accessed by Diamond Mountain Road 197 Comment
  JEPS110599  Galium porrigens var. porrigens Jake Ruygt 1986-3-14 1645 Napa about 1 mile N of HWY 12 and 1/2 mile east of Sonoma Co. line 103 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
  UCD121909  Galium porrigens var. tenue Barbara Ertter; Annetta Carter 1989-5-28 8499 Napa Berryessa-Knoxville Road N of Lake Berryessa, 9.0 mi S of Knoxville tunnel. 243 Comment
  UCD164731  Galium triflorum Jake Ruygt 2014-6-9 6000 Napa Livermore Ranch, Van Ness Canyon. 502 Comment
  JEPS106906  Gamochaeta ustulata Jake Ruygt 1982-4-18 1192 Napa Calistoga Grade, Mt.St.Helena 359 Comment
  JEPS20440  Gamochaeta ustulata Willis L. Jepson 1893-4-24 14757 A Napa hills e St. Helena (to Conn Valley Road, Howell Mt. foothill); Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC199056  Garrya congdonii John Thomas Howell 1939-5-7 14652 Napa On Lower Lake-Knoxville Road at Lake Co. line. Comment
  HSC8385  Garrya elliptica J. T. Howell 1939-5-7 14652 Napa Lower Lake-Knoxville rd. at Lake Co. line Comment
  UCD170294  Garrya elliptica Daniel Potter; Ninh Khuu, Kai Battenberg 2016-2-21 834 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 447 Comment
  CAS-BOT-BC144377  Garrya fremontii John Thomas Howell 1939-2-5 14597 Napa Summit of Wooden Valley Grade Comment
  CAS-BOT-BC144378  Garrya fremontii Alice Eastwood 1922-3-26 11110 Napa Mt. St. Helena Comment
  CAS-BOT-BC144422  Garrya fremontii Alice Eastwood 1922-3-26 11111 Napa Mt. St. Helena Comment
  JEPS46448  Garrya fremontii W. L. Jepson 1906-2-23 Napa Howell Mt. Comment
  CAS-BOT-BC159265  Garrya veatchii M. S. Jussel 1902-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  CAS-BOT-BC278653  Gastridium phleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6659 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  JEPS122938  Gastridium phleoides Jake Ruygt 1982-5-15 1264 Napa Soda Canyon, west of the grade. Quad: Yountville. Comment
  CAS-BOT-BC278655  Gastridium phleoides Thomas H. Kearney 1948-6-26 s.n. Napa Near Napa Comment
  JEPS76096  Gastridium ventricosum W. L. Jepson 1938-5-25 18866 Napa Bell Canyon Howell Mt.; Napa Range, , Bell Canyon 579 Comment
  CAS-BOT-BC208042  Genista monspessulana Peter H. Raven 1952-5-26 4040 Napa St. Helena to Howell Mt. 304 Comment
  JEPS64794  Genista monspessulana W. L. Jepson 1923-6-3 9972 Napa a little S of Calistoga (east-side road) Comment
  JEPS86271  Geranium dissectum H. P. Chandler 1907-5-14 7577 Napa St. Helena, White Sulphur Spring White Sulphur Spring; St. Helena, White Sulphur Spring 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
  UCR12066  Geranium dissectum Coleta A. Lawler 1964-3-24 01 Napa Henry Road, c. 0.5 mi. from junction with Buhman Avenue, c. 3 mi. west of Napa 8 Comment
  UCR106835  Geranium molle Julie Knorr 1977-4-16 7 Napa Hwy 128, 6.4 mi west of Monticello Dam, steep N facing slope Comment
  UC1535362  Geranium purpureum Glen Holstein 1977-5-11 Napa 0.7 mi n State Highway 121 intersection with Wooden Valley Road (along State Highway 121) Comment
  RSA63719  Gilia capitata Verne Grant, Alva Grant 1947-5-11 7985 Napa ca. 8 miles NE of Vichy Springs on Monticello road, Mayacama Mountains. Comment
  UCD68114  Gilia capitata Hilary Jane Ernst 1981-5-24 75 Napa Sage Canyon Road, base of Conn Dam, 1.2 miles East of intersection with the Silverado Trail. In a foothill woodland plant association, dominated by Rubus, Salix, and Quercus, on a 70 degree slope, in sandy rocky soil, in a dry area, with sunlight for half the day, growing in scattered patches in area. An herbaceous plant, 1 ft. high. Flowers, light blue. 73 Comment
  UCD148838  Gilia tricolor Ellen Dean; Diana Hickson 2014-4-29 8142 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  SEINET5732137 Image available Gilia tricolor Linda Dodge 1974-1 13 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon and Chiles Valley Road intersection. 183 Comment
  JEPS110996  Gilia tricolor subsp. tricolor Jake Ruygt 1993-4-12 3204 b Napa south of James Creek Road and Butts Cany on Road. 225 Comment
  UCD167228  Gilia tricolor subsp. tricolor Jake Ruygt 1982-4-7 1170 Napa Suscol Hill west of Highway 29 (221). 24 Comment
  UCD161366  Githopsis diffusa subsp. robusta Jake Ruygt 1989-4-22 2277 Napa Napa County : About 1/2 mile south of Monticello Dam on Vaca Mountains. (Coordinates estimated by label maker at UC Davis). 432 Comment
  UCD47962  Githopsis specularioides Robert Wolfson; J. Westbrook, M. Disney, S. Ratay, A. Houser, S. Wathen 2000-4-22 36 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd. along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  SEINET10464559  Githopsis specularioides Ira L. Wiggins, Rimo Bacigalupi; Roxana S. Ferris 1933-6-2 Wiggins 6663 Napa Grassy slope 5 miles east of St. Helena on road to Pope Valley 305 Comment
  JEPS112627  Glaux maritima Jake Ruygt 1981-7-20 1068 Napa Fagan's Marsh 1 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
  CHSC103004  Gnaphalium palustre Lowell Ahart 2009-10-12 16422 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UC32016  Gnaphalium palustre Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  OBI74534  Grindelia camporum David J. Keil 1986-11-8 19793 Napa Along Lake Berryessa Knoxville Rd. near Knoxville. 2.3 mi S of turnoff to Homestake McLauglin Mine/MIll 350 Comment
  CAS-BOT-BC304896  Grindelia hirsutula Peter H. Raven 1951-6-24 3018 Napa Brown's Valley 91 Comment
  CAS-BOT-BC304904  Grindelia hirsutula Alice Eastwood 1918-9-3 7958 Napa Mt. St. Helena Comment
  CAS-BOT-BC314580  Grindelia hirsutula Peter H. Raven 1951-6-26 3099 Napa 4 miles N of Vallejo near Solano Co. line 30 Comment
  OBI21640  Grindelia hirsutula Tracey and Viola Call, Viola Call 1964-6-19 2264 Napa 3 mi N of Calistoga on small bare hill 305 Comment
  POM359073  Grindelia hirsutula Peter H. Raven 1965-5-15 20200 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  UC1714849  Grindelia hirsutula Max P. Dunford 1959-10-3 555 Napa 2 mi W of Chiles Valley (along Soda Creek) Comment
  CAS-BOT-BC304886  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa Napa - Wooden V. Grade 60 Comment
  POM183387  Grindelia hirsutula var. davyi J. T. Howell 1930-7-13 5346 Napa Mt. St. Helena. Comment
  CAS-BOT-BC123711  Grindelia stricta var. angustifolia John Thomas Howell 1932-10-8 10805 Napa Cuttings Wharf on Napa River Comment
  UC608853  Guillenia flavescens Beryl O. Schreiber 1938-4-24 2500 Napa 0.25 mi nw Knoxville; Reiff Quad. 609 Comment
  JEPS106784  Guillenia lasiophylla Jake Ruygt 1989-3-30 2240 b Napa American Canyon, Avilla Ranch 54 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
  UC1112229  Hainardia cylindrica S. Galen Smith with J. Anderson 1957-6-7 2958 Napa 1.5 mi nw of Calistoga; Myrtledale Hot Springs 121 Comment
  CDA31865  Harmonia nutans D. G. Kelch 2001-3-18 1 .017 Napa Soda Canyon Road. Comment
  UC185684  Harmonia nutans Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  UC905677  Harmonia nutans David D. Keck 1931-4-4 1088 Napa 3 mi se summit of Mt. St. Helena (n Napa County); The Crater Country 950 Comment
  JEPS106642  Helenium bigelovii Jake Ruygt 1979-7-21 759 Napa 5.5 miles north of Howell Mtn Rd. on Butts Canyon Rd. 243 Comment
  OBI16346  Helenium puberulum Robert F. Hoover 1966-8-23 9934 Napa Butts Cyn near Lake Co. line Comment
  JEPS33583  Helianthella californica subsp. californica W. L. Jepson 1938-5-25 18863 Napa Bell Canyon Napa Range, Howell Mtn. 579 Comment
  POM135793  Helianthemum scoparium var. vulgare C. F. Baker 1913-5-8 2973 Napa Knoxville Comment
  JEPS106669  Helianthus bolanderi Jake Ruygt 1991-8-5 2820 Napa Eticuera Creek north of Zim-Zim Creek 228 Comment
  UCD159470  Helianthus bolanderi D. S. Park 2010-8-13 224 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 234 Comment
  UCD18115  Helianthus bolanderi K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 51 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
  RSA96661  Helianthus bolanderi Percy C. Everett, E. K. Balls 1954-10-19 20372 Napa On road to Lower Lake 3.9 miles n.w. of Knoxville. 610 Comment
  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
  JEPS4459  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Napaleo, Angwin's Meadows Howell Mt., Napaleo, Angwin's Meadows Comment
  UCD170570  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 825 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  UCD161782  Helianthus gracilentus Jake Ruygt 2000-6-10 4273 Napa Devilhead Road near Lone Pine Thicket. 640 Comment
  JEPS115772  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  UCD74367  Heliotropium europaeum Jake Ruygt 2005-6-7 4910 Napa Berryessa-Knoxville Rd. at Oak Shores headquarters. 176 Comment
  CAS-BOT-BC305851  Helminthotheca echioides Peter H. Raven 1951-9-9 3888 Napa At Solano Co. line w. of Hy. 29 15 Comment
  JEPS121370  Hemicarpha micrantha var. minor Jake Ruygt 1986-8-3 1894 Napa Milliken Creek about .5 mile south of Foss Valley. Comment
  UC1925925  Hemizonia congesta Ethel Crum Oct 1930 916 Napa Pope Valley. Comment
  JEPS40232  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  UCD132979  Hemizonia congesta subsp. congesta Heidi E. M. Dobson 1978-5-25 330 Napa Mount Veeder. Comment
  CAS-BOT-BC309837  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CAS-BOT-BC309838  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CAS-BOT-BC309841  Hemizonia congesta subsp. luzulifolia Peter H. Raven 1952-6-28 4203 Napa Conn Valley 137 Comment
  CDA11970  Hemizonia congesta subsp. luzulifolia G. F. Hrusa, M. Hooper 1995-9-12 12462 Napa North Coast Biodiversity Arena; First main tributary on W side of Lake Hennessey above Conn Dam. Comment
  CAS-BOT-BC309828  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-12 10094 Napa Region of San Francisco Bay. La Eskina, near Napa Junction Comment
  CAS-BOT-BC309832  Hemizonia congesta subsp. luzulifolia Milo S. Baker 1932-9-24 6058 Napa Two or 3 mi. S. of Napa East of Hiwy. Comment
  UC194222  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-8-6 10261 Napa 7 km s Napa Comment
  UC523516  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2722 Napa 5 mi s Napa; Vallejo Comment
  UCD127521  Heracleum maximum Lloyd Harwood 1972-11-6 s.n. Napa Wild Horse Valley Ranch. Comment
  JEPS29503  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1893-5-8 Napa below New Eden; Howell Mt. Comment
  UCD161646  Hesperocyparis macnabiana Jake Ruygt 2006-3-23 4960 Napa north of Potato Hill, Wildlake Ranch. (Coordinates coverted from UTM data by label maker.) 685 Comment
  HSC1201  Hesperocyparis sargentii C. B. Wolf 1928-2-25 1507 Napa 3 mi. N of the summit of Mt. St. Helena grade, near Lake Co. line Comment
  SD40654  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-16 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 455 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
  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
  UC163930  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 113 Napa near Aetna Springs; Butts Canyon Comment
  UCD110479  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-31 4108 Napa Above Sage Creek 0.8 miles south of Chiles Valley. 304 Comment
  UC2014176  Hesperolinon bicarpellatum Stephen P. Rae 2009-8-10 s.n. Napa Napa County: Pritchard Hill, south of Lake Hennessey and Highway 128, on lands of Continuum Estate Winery, at end of private road near winery. Comment
  UCD167346  Hesperolinon bicarpellatum Jake Ruygt 1995-6-17 3499 Napa Southeast corner of Butts Canyon Road at Snell Valley Road. 225 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
  JEPS112650  Hesperolinon californicum Jake Ruygt 2000-6-10 4267 Napa Berryessa-Knoxville Rd near Foley Creek. 341 Comment
  JEPS121521  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 231 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. Comment
  JEPS32284  Hesperolinon californicum W. L. Jepson July 1892 13546 Napa Zem Zem (ne Napa Co.) Comment
  UCD110500  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa Above Sage Creek on west side Chiles Valley. 304 Comment
  JEPS32281  Hesperolinon californicum Jos. P. Tracy 1899-6-19 384 Napa hill beyond flat Howell Mt. Comment
  UCD167294  Hesperolinon californicum Jake Ruygt 2007-5-19 5190 Napa Las Posadas State Forest, ridge between Moore Creek and Uncle John Creek. 414 Comment
  RSA151704  Hesperolinon clevelandii H. K. Sharsmith 1957-5-30 4598 Napa West side of Howell Mountain 2.4 miles west of Angwin. 305 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
  UC1212330  Hesperolinon clevelandii Helen K. Sharsmith 1957-5-30 4597 Napa 1.1 mi beyond town of Pope Valley (on road to St. Helena); Inner North Coast Ranges, Howell Mountain 304 Comment
  CAS-BOT-BC176054  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  UCD167295  Hesperolinon clevelandii Jake Ruygt 2007-5-26 5193 Napa Duff Ranch; northeast side of High Point. 768 Comment
  JEPS122797  Hesperolinon disjunctum Jake Ruygt 2004-6-12 4613 Napa Devilhead Road at Turner Mountain. QUAD: Walter Springs. 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
  SD58214  Hesperolinon disjunctum W. L. Jepson 1938-6-11 19006 Napa Knoxville Ridge 730 Comment
Read comments
Jun 12 2012
  CAS-BOT-BC167457  Hesperolinon drymarioides G. L. Stebbins 1970-7-17 7058 Napa South of Knoxville on Devilhead Road 463 Comment
  JEPS122906  Hesperolinon micranthum Adam C. Schneider 2015-5-15 937 Napa Capell Valley Road, just southeast of intersection with Knoxville Road Comment
  UC1212260  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa 0.8 mi s Chiles Valley (above Sage Creek); Inner North Coast Ranges 304 Comment
  UC1212275  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4040 Napa w side Chiles Valley (on road to Pope Valley); Inner North Coast Ranges 234 Comment
  UC1212414  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4602 Napa Rutherford road at edge of Chiles Valley Inner North Coast Ranges, Chiles Valley 213 Comment
  UC1601272  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 b Napa 2.1 mi beyond intersection of Conn Reservoir road to Rutherford with Chiles Valley-Pope Valley road Inner North Coast Ranges, Chiles Valley 198 Comment
  UCR146397  Hesperolinon micranthum Beecher Crampton 1957-6-4 4103 Napa Inner North Coast Ranges, North end of Capell Valley, above Capell Creek 213 Comment
  JEPS6468  Hesperolinon micranthum W. L. Jepson 1944-6-15 27532 B Napa on summit of main ridge near Old Signal Station site; Napa-Solano Counties Comment
  UC1212411  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4593 Napa Cappell Valley, end of Highway 37 Inner North Coast Ranges 274 Comment
  UC1212415  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4603 Napa Chiles Valley Ranch Inner North Coast Ranges, Chiles Valley 213 Comment
  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
  JEPS123309  Hesperolinon sharsmithiae David Gowen 2009-6-18 1069 Napa Along pope canyon Road, north of Cedar Roughs, just east of where Pope Creek crosses from north to south of road. Comment
  JEPS112652  Hesperolinon spergulinum Jake Ruygt 1983-6-12 1494 Napa Mt. St. Helena 624 Comment
  JEPS122841  Hesperolinon spergulinum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 221 Napa Along private road that runs west off of Pope Valley Road. Comment
  UC168967  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2226 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  JEPS11808  Heterocodon rariflorum W. L. Jepson 1936-7-1 17630 Napa below Four Corners (Howell Mt); Napa Range, Howell Mt. Comment
  UC1198754  Heteromeles arbutifolia J. P. Tracy 1899-7-4 377 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 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
  JEPS20391  Heterotheca grandiflora W. L. Jepson 1934-10-19 16903 Napa flats by Napa River; St. Helena Comment
  UCD161253  Heterotheca oregona var. rudis Jake Ruygt 2007-12-10 5261 Napa Sulphur Creek west of valley View Drive, St. Helena. (Coordinates estimated by label maker at UC Davis). 76 Comment
  UC1999863  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake Co. line Comment
  UCD63161  Heterotheca sessiliflora Jake Ruygt 1982-7-6 1362 Napa American Canyon east of Flosden Rd. 249 Comment
  RSA517453  Hoita macrostachya Donald G. Nelson 1940-8-7 698 Napa Highway from Napa to Wooden Valley, north slopes of George Mt. 152 Comment
  CAS-BOT-BC324651  Holocarpha virgata John Thomas Howell 1933-8-27 11644 Napa EAst of Chiles Valley on road to Winters, Napa Range Comment
  UC1299260  Holocarpha virgata subsp. virgata Freed W. Hoffman 1947-8-20 855 Napa along Trinity road North Coast Ranges Comment
  JEPS106641  Holozonia filipes Jake Ruygt 1982-6-21 1334 Napa Suscol plain 4 Comment
  UC143000  Holozonia filipes Mrs. K. Brandegee 1910-7-26 186 Napa near Angwin's Comment
  POM263252  Hordeum marinum subsp. gussoneanum J. C. Roos 1939-5-13 273 Napa Angwin, Howell Mt. 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
  UCD168567  Hordeum murinum subsp. leporinum Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CAS-BOT-BC273492  Hordeum vulgare E. Ruckert 1960-4-29 127 Napa 300 yards southeast of house, 6495 Dry Creek Road 365 Comment
  JEPS110558  Horkelia californica subsp. dissita Jake Ruygt 1982-6-29 1349 Napa .2 mile south south of Old Bale Mill on west side of HWY 29 97 Comment
  CAS-BOT-BC410811  Hypericum concinnum J. Clausen 1935-5-23 1072 a Napa Howell Mountain, near summit, 6.5 mi. N of St. Helena Comment
  JEPS66843  Hypericum concinnum W. L. Jepson 1936-2-8 17398 Napa Adam and Eve Ridge Howell Mt.; Napa Range, Howell Mt. Comment
  UC1537661  Hypericum concinnum Gordon H. True Jr. 1937-6-21 741 Napa near Lokoya Lodge near Lokoya Lodge 365 Comment
  UC666677  Hypericum concinnum H. S. Reed 1938-6-11 159 Napa Napa range w. of Oakville 243 Comment
  UCD160773  Hypericum concinnum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8652 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  CAS-BOT-BC410806  Hypericum concinnum Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS66794  Hypericum concinnum W. L. Jepson 1904-6-3 2433 Napa Weldon Canyon Howell Mt. foothills 487 Comment
  UC521696  Hypericum concinnum Joseph Andorfer Ewan 1933-9-17 8008 Napa near n. summit Mt. St. Helena Comment
  CHSC58402  Iris fernaldii Karen Blom 1975-5-16 22 Napa 1 mile north of State Highway 121 on Knoxville Road. Comment
  RSA135896  Iris fernaldii E. K. Balls, Lee W. Lenz 1952-5-8 17119 Napa Troutdale Creek, Highway 29, 1.4 miles south of Lake County line Comment
  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
  SEINET3876197  Iris fernaldii D. W. McNeal 1990-5-3 3690 Napa Above Butts Canyon Rd., 1.4 mi. s. of the jct. of Snell Valley Rd.; 0 Comment
  UC571171  Iris fernaldii H. L. Mason 1926-3-22 2789 Napa between Calistoga and Petrified Forest Comment
  UCD166692  Iris fernaldii Jake Ruygt 1986-5-10 1756 Napa Devil's Canyon. 426 Comment
  RSA123132  Iris macrosiphon A. Lewis 1932-5-14 79 Napa 3 miles up Dry Creek 152 Comment
  SEINET6193236 Image available Iris macrosiphon L. F. Robbins 1927-1 s.n. Napa Napa county Comment
  UCD48250  Iris macrosiphon S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 21 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD147466  Isoetes howellii Ellen Dean; Diana Hickson 2014-4-29 8079 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UC1239793  Isoetes nuttallii Joseph P. Tracy 1933-4-30 12113 Napa 3 - 4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt, La Jota Plateau 518 Comment
  SEINET2064754 Image available Juglans californica Royal D. Suttkus 1967-6-26 67 -3036 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  POM212280  Juglans hindsii Carl B. Wolf 1930-11-3 1800 Napa On Munson Ranch, Napa Range above Wooden Valley. 305 Comment
  CHSC93644  Juglans nigra Paul Kirk 2001-10-25 10 Napa Duffy Ranch. 30 Comment
Read comments
Jan 14 2009
  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
  UCD18082  Juncus balticus Ellen Dean; with PLB 102 class 2000-4-22 637 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
  UCR227901  Juncus bufonius Ayzik Solomeshch 2007-5-30 s.n. Napa Woolls Ranch, 1032 Veeder Road, northwest of the city of Napa 152 Comment
  UCD149577  Juncus bufonius var. congestus 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
  JEPS122652  Juncus covillei Jake Ruygt 1989-6-17 2370 Napa Van Ness Canyon near Bear Valley. Quad: Detert Resevoir. Comment
  JEPS126053  Juncus dubius Jake Ruygt 2010-6-26 5659 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  UCD166701  Juncus dubius Jake Ruygt 2010-6-21 5618 Napa Highway 29 just south of Heitz Way, south side of road. 94 Comment
  UCD149690  Juncus mexicanus 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
  JEPS122669  Juncus occidentalis Jake Ruygt 1982-5-26 1223 Napa 0.2 mile south of Old Bale Mill on Highway 29. Quad: Calistoga. Comment
  UC184101  Juncus occidentalis Joseph P. Tracy 1905-7-5 2211 Napa 3-4 mi e Angwin's (at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UC842739  Juncus occidentalis Lewis S. Rose 1935-6-4 35204 Napa e slope Mt. St. Helena 457 Comment
  UCD166705  Juncus occidentalis Jake Ruygt 2004-4-12 4585 Napa Gordon Valley Road, south side of Okell Hill. 115 Comment
  JEPS126057  Juncus oxymeris Jake Ruygt 2010-6-26 5660 Napa Las Posadas State Forest, near public road. Saint Helena 7.5' Quad. Comment
  UCD73494  Juncus patens Ayzik Solomeshch 2007-5-28 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  UC750690  Juncus patens Lewis S. Rose 1946-8-18 46264 Napa 3 mi ne Napa 60 Comment
  UC1151996  Juncus phaeocephalus var. paniculatus Joseph P. Tracy 1938-6-6 15847 Napa about 5 mi n Napa Comment
  UCD167053  Juncus xiphioides Jake Ruygt 1991-7-20 2794 Napa 3.2 miles north of Pope Canyon Road on Berryessa- Knoxville Road. 118 Comment
  JEPS126106  Juniperus californica Jake Ruygt 1980-3-22 814 Napa Between Snell Valley and Big Basin. Aetna Springs 7.5' Qua. 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-BC237849  Keckiella lemmonii John Thomas Howell 1929-8-4 4356 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  JEPS115771  Kickxia elatine Lowell Ahart 2009-10-12 16450 Napa Below the high water line of Lake Berryessa, along Capelll Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west 133 Comment
  JEPS34511  Kickxia elatine Freed W. Hoffman Aug 1947 1689 Napa Sage Canyon; North Coast Ranges Comment
  JEPS76090  Koeleria macrantha W. L. Jepson 1938-5-24 18845 Napa Plateau n of Four Corners Howell Mountain (Napa Range); , Howell Mountain 762 Comment
  UCD85793  Koeleria macrantha Beecher Crampton 1965-5-13 7334 Napa Conn Reservoir, 4.5 miles east of Rutherford. Comment
  CAS-BOT-BC499633  Kopsiopsis strobilacea Elizabeth Wright 1921-5-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC502601  Kopsiopsis strobilacea Greg de Nevers 1992-5-17 10152 Napa Mount Veeder, 3475 Mt. Veeder Rd. 304 Comment
  RSA0104501  Kopsiopsis strobilacea Carl B. Wolf 1928-5-4 1855 Napa Upper slopes of Mt. St. Helena. Comment
  CAS-BOT-BC340516  Lactuca serriola Lise Thomsen 1988-8-23 s.n. Napa 1.8 mi. west of intersection of Hwy 29 & Redwood Rd. Comment
  CAS-BOT-BC26056  Lagophylla dichotoma subsp. minor David D. Keck 1933-5-29 2338 Napa bridge over Pope Creek, just south of Walters Spring Comment
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Mar 3 2018
  NY180446  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring Comment
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Nov 25 2013
  UCD47919  Lagophylla minor Michele Disney; J. Westbrook, S. Ratay, R. Wolfson, A. Houser,S. Wathen 2000-4-22 13 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 518 Comment
  CAS-BOT-BC341424  Lagophylla minor A. A. Heller 1941-5-16 16130 Napa A mile or two west of Knoxville Comment
  JEPS106650  Lagophylla ramosissima Jake Ruygt 1987-5-19 1974 Napa 2.2 miles east of Atlas Peak Rd. on Monticello Road 237 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
  UCR141014  Lagophylla ramosissima Beecher Crampton 1961-9-19 5978 Napa Inner North Coast Ranges, 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley 297 Comment
  CAS-BOT-BC341559  Lagophylla ramosissima H. M. Hall 1931-5-26 13092 Napa Twelve miles by road south of Monticello; near Capell Comment
  UC33058  Lagophylla ramosissima Willis L. Jepson 1894-5-1 Napa e St. Helena; Napa River basin Comment
  JEPS63235  Lamium amplexicaule W. L. Jepson 1910-3-28 4019 Napa sw of Calistoga (Rebecca Ranch grade) Comment
  UCD18035  Lamium amplexicaule Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 586 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  CAS-BOT-BC337893  Lasthenia John H. Thomas 1955-5-21 5130 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC338270  Lasthenia californica Alice Eastwood 1915-6-5 4631 Napa Calistoga Comment
  CHSC84558  Lasthenia californica John Dittes 2003-4-5 2003 -11 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  CAS-BOT-BC338275  Lasthenia californica Gilbert Muth 1967-4-16 633 Napa Snell Valley 182 Comment
  JEPS10172  Lasthenia californica subsp. californica Willis L. Jepson 1893-4-24 Napa e St. Helena Comment
  JEPS106623  Lasthenia glaberrima Jake Ruygt 1986-4-13 1694 Napa Pope Canyon Rd. just east of vernal marsh 187 Comment
  JEPS106685  Lasthenia glaberrima Jake Ruygt 1992-4-29 2917 Napa meadow north of the polo fields at Wild Horse Valley Ran 472 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-BC355482  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  HSC43998  Lasthenia gracilis Robert M. Specht 1977-4-11 622 Napa Drainage at Pocock Creek 500 Comment
  UC891315  Lasthenia gracilis Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  UCD106197  Lathyrus aphaca Michael A. Vincent; Ethan H. Freid 1998-4-7 8169 Napa Northwest of St. Helena along Rt. 128. 2.5 miles southeast of Calistoga city limits. Comment
  NY15638  Lathyrus puberulus G. Thurber 03 1852 485 Napa Comment
  JEPS55293  Lathyrus torreyi W. L. Jepson 1897-5-2 13626 Napa sw of Calistoga (Rebecca Ranch grade); Hood Peak Range, Upper Napa Valley Comment
  RSA633298  Lathyrus vestitus subsp. vestitus Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8166 Napa Along Rt. 128 at road marker 24/80 Comment
  JEPS39186  Layia chrysanthemoides Elsie Kraeger 1926-3-27 Napa meadow near Soscol Comment
  UCD161779  Layia chrysanthemoides Jake Ruygt 1998-4-22 3929 Napa Berryessa-Knoxville Road about 3/4 mile south of Knoxville. 316 Comment
  CAS-BOT-BC295369  Layia septentrionalis R. C. Wenk; E. S. Wenk 2006-4-30 439 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  JEPS106634  Layia septentrionalis Jake Ruygt 1989-4-22 2289 Napa Snell Valley Rd. just east of Butts Canyon Rd. 143 Comment
  JEPS82340  Legenere limosa Robert F. Holland 1983-5-21 1230 Napa vernal pools a few hundred feet e Routes 12 and 29 (about 3.9 mi s of Route 121, about 1000 ft n of Suscol Creek) 30 Comment
  JEPS120346  Lemna minuta Jake Ruygt 1983-3-28 1395 b Napa 0.3 miles east Highway 29 near Suscol Creek. Cuttings Wharf 7.5' Quad. 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
  UCD124950  Lepechinia calycina M. Ensign 1943-5-28 317 Napa 13 miles from Monticello on road to Lower Lake. Comment
  UCD49099  Lepechinia calycina A. Collier; D. Caterson and S. Kenady 2002-5-4 12 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of West and East roads. Along upper road leading to power lines, off S side of road 2 meters. Moderate slope, S-facing. 338 Comment
  UCD74388  Lepidium draba Jake Ruygt 1979-4-2 473 Napa 0.1 mile north of Salvador Ave. on Big Ranch Rd. 18 Comment
  JEPS115756  Lepidium latifolium Lowell Ahart 2009-10-27 16482 Napa Below the high water line of Lake Berryessa, about 150 yards southeast of Eticuera Creek, about 250 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  UC1561220  Lepidium latifolium Barbara Ertter with Annetta Carter 1989-5-28 8505 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road, n of Lake Berryessa, along Eticuera Creek); Eticuera Creek 304 Comment
  UCD149632  Leptosiphon androsaceus Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD37575  Leptosiphon androsaceus Beecher Crampton 1955-4-7 2448 Napa Napa County, at border with Solano and Yolo Counties, 7 miles west of Winters, 0.25 mile west of Recreation Beach of Putah Creek, Vaca Mountains, east facing slope of Cold Canyon. Comment
  UCD49204  Leptosiphon androsaceus A. Collier; D. Caterson and S. Kenady 2002-5-4 17 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. On a shady E slope with Quercus sp. overstory and grassy understory. 304 Comment
  RSA155422  Leptosiphon androsaceus L. S. Rose 1961-3-30 61025 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  SD147974  Leptosiphon androsaceus Etienne Oleksiewicz, Laurie Oleksiewicz 1981-4-22 19 Napa State Highway 128, 1.8 miles west of Monticello Dam. Comment
  UCD118591  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 61025 Napa 1 mile north of Conn Reservoir, Lake Hennessy. 152 Comment
  UCD49214  Leptosiphon bicolor E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 5 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct of West Rd. and South Decker Canyon Rd. 249 Comment
  UCD82052  Leptosiphon jepsonii Robin McMaster 1972-4-22 67 Napa Pope Valley. Comment
  UCD141588  Leptosiphon parviflorus Ellen Dean 2013-4-27 7706 Napa Las Posadas State Experimental Forest. Ridge to the north of Recreation Flat. 424 Comment
  UCD49233  Leptosiphon parviflorus E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 8 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along South Decker Canyon Rd., between Decker Ridge Rd. jct and Cut-Off Rd. jct. 304 Comment
  JEPS8455  Lessingia hololeuca Peter H. Raven 1952-8-26 5147 Napa 3/4 mi w of Buchli Sta.; Railroad Comment
  UC912322  Lessingia hololeuca John Thomas Howell 1926-10-3 2210 Napa four mi n Calistoga Comment
  CAS-BOT-BC341992  Lessingia ramulosa Chas. M. Belshaw; H. L. Mason 1936-9-20 2688 Napa Inner North Coast Range. Three miles northwest of Knoxville Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  UC1925924  Lessingia ramulosa Ethel Crum Oct 1930 915 Napa Pope Valley. 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
  UCD132704  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  UCD18118  Lessingia ramulosa K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 55 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-BC444417  Lewisia rediviva Milo S. Baker; Alice Griffin 1926-3-30 168 Son Ser. Napa The Crater, Mt St Helena Comment
  CAS-BOT-BC444465  Lewisia rediviva var. rediviva Alice Eastwood 1915-6-6 4666 Napa Mt. St. Helena Comment
  CAS-BOT-BC272250  Leymus triticoides Peter H. Raven 1952-5-31 4104 Napa 1.5 mi. e. Yountville 30 Comment
  JEPS17375  Limnanthes douglasii Rimo Bacigalupi with John Dawson 1955-4-25 4842 Napa 2 1/2 mi s Imola (along CA Hwy 29) Comment
  JEPS112541  Limnanthes douglasii subsp. douglasii Jake Ruygt 1998-4-8 3902 Napa SE corner of Soda Canyon Road and Silver ado Trail 22 Comment
  JEPS112542  Limnanthes douglasii subsp. douglasii Jake Ruygt 1995-4-19 3438 Napa 1.35 miles north of Coombsville Road on First Avenue 39 Comment
  UC17909  Limnanthes douglasii subsp. nivea Willis L. Jepson 1896-4-26 Napa Oakville Napa River Basin Comment
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 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
  UCD116445  Limnanthes douglasii var. nivea H. Popenoe 1949-4-17 8 Napa 17 miles from Winters, Putah Canyon Road, at entrance to Monticello Valley. Comment
  JEPS120412  Limnanthes vinculans Jake Ruygt 2010-5-24 5562 Napa South of Heitz Way, west side of Hwy 29. Comment
  JEPS110643  Limosella acaulis Jake Ruygt 1979-4-12 505 Napa .2 miles west of Soscol Ave on Imola Ave 4 Comment
  SEINET11263942  Linanthus parviflorus Barbara Ertter, Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley.; 0 Comment
  UC908784  Linanthus parviflorus A. E. Borell 1928-4-13 112 Napa 6 mi nw Calistoga Comment
  UC52443  Linanthus pygmaeus J. P. Tracy 1902-5-16 1502 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD37683  Linum Beecher Crampton 1961-6-12 5900 Napa Napa County, northern end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  CAS-BOT-BC36061  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1926-10-3 2209 Napa St. Helena Creek on emile below Patten's 609 Comment
  CAS-BOT-BC36064  Lithocarpus densiflorus var. densiflorus Belle Richardson Jackson 1924-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC430624  Lithophragma affine Carl B. Wolf 1928-5-3 1848 Napa base of Mt. St. Helena Comment
  UCD102707  Lithophragma affine L. P. Thibault 1995-5-21 47 Napa Napa County, South side of Hwy 128 about 3 mi. west of Wragg Canyon Rd. 250 Comment
  JEPS47500  Lithophragma affine Willis L. Jepson 1893-4-24 13467 Napa hills e St. Helena (Napa River Basin); , e of St. Helena Comment
  UCD19722  Lithophragma heterophyllum C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1210 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  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
  JEPS20920  Logfia filaginoides Willis L. Jepson 1896-6-1 Napa Helena Napa River Basin, Helena Comment
  CAS-BOT-BC342436  Logfia gallica Peter H. Raven 1950-4-15 1724 Napa Monticello Road, Napa Valley 24 Comment
  UCD66221  Lolium multiflorum Beecher Crampton 1956-5-25 3490 Napa Sarco Creek Canyon. Comment
  UCD66656  Lolium temulentum Collector Unknown 1941-6-1 Napa Mt. St. Helena. Comment
  SEINET13944733 Image available Lomatium Joseph Andorfer Ewan 1934-1 8836 Napa Local on bank alone creek bed. Steel Canyon 8 m. s. of Monticello. Comment
  JEPS104571  Lomatium californicum Jake Ruygt 1991-4-20 2634 Napa Mead Ranch, Atlas Peak Rd. 560 Comment
  SBBG59694  Lomatium caruifolium H. and M. Dearing 1939-5-3 3263 Napa near Rutherford Comment
  UCD127626  Lomatium dasycarpum Robert E. Preston 1987-6-18 564 Napa around 1/2 mile east of Round Corral, Big Basin. 182 Comment
  JEPS17139  Lomatium dasycarpum subsp. dasycarpum Willis L. Jepson 1893-4-28 14304 Napa hills e. Napa Comment
  JEPS122701  Lomatium dasycarpum var. dasycarpum Jake Ruygt 2004-5-3 4588 Napa About 0.3 mile east of Butts Canyon Road on Snell Valley Road. Quad: Aetna Springs. 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
  JEPS104570  Lomatium macrocarpum Jake Ruygt 1981-5-13 1022 a Napa American Canyon, .2 mile east of Flosden Road 164 Comment
  UCD164747  Lomatium macrocarpum Jake Ruygt 2014-6-9 5984 Napa Livermore Ranch, Bear Valley. 621 Comment
  UCD18052  Lomatium macrocarpum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 605 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCD63188  Lomatium macrocarpum Jake Ruygt 2005-4-17 4762 c Napa Bear Valley. 615 Comment
  SD58377  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills, Napa Range Comment
  SD58378  Lomatium marginatum W. L. Jepson 1915-4-23 6266 Napa Chiles Creek hills 274 Comment
  JEPS104546  Lomatium marginatum var. purpureum Jake Ruygt 1979-4-6 484 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Road 207 Comment
  HSC103471  Lomatium marginatum var. purpureum Thomas W. Nelson, Jane Nelson 1981-4-14 6400 Napa Along Morgan Valley Rd., ~ 1.5 mi. N of junction with Devil Head Rd., opposite Manhattan Mine. 579 Comment
  JEPS13744  Lomatium marginatum var. purpureum Frank W. Gould 1939-4-6 613 Napa one mi N of Knoxville Comment
  UC735135  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  UCD127712  Lomatium repostum Robert E. Preston 1987-6-13 559 Napa Snell Peak. 365 Comment
  JEPS104473  Lomatium utriculatum Jake Ruygt 1994-3-26 3337 Napa .4 mile south of Wooden Valley Cross Rd on Suisun Valley Road 85 Comment
  JEPS17552  Lomatium utriculatum Mrs. Mary Van. E. Ferguson 1919-4-13 203 Napa near Atlas Mt. Comment
  UC140582  Lomatium utriculatum C. F. Baker 1903-4-20 2621 Napa Mt. St. Helena Comment
  UCD127434  Lomatium utriculatum G. F. Hrusa 1995-3-26 12027 Napa Univ. of Calif. - Quail Ridge Reserve. 290 Comment
  UCD170217  Lomatium utriculatum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 740 Napa West side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 371 Comment
  UCD81823  Lomatium utriculatum Ellen Dean 2009-4-24 5450 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS12842  Lonicera hispidula var. vacillans Willis L. Jepson 1893-9-21 Napa Wooden Valley grade Napa River Basin, Napa Range Comment
  UC1125229  Lonicera hispidula var. vacillans A. Lewis May 1934 104 Napa Sarco Creek Napa Quadrangle 304 Comment
  CAS-BOT-BC198589  Lotus John H. Thomas 1955-5-21 5176 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS126086  Lotus corniculatus Jake Ruygt 1982-5-13 1248 Napa 0.5 mile south of Imola Ave. on South Jefferson Street. Napa 7.5' Qua. Comment
  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
  UC1300905  Lotus micranthus Helen K. Sharsmith 1963-3-17 5215 Napa s side Mt. Atlas; San Francisco Bay Region 609 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
  UC1300862  Lotus purshianus var. purshianus Helen K. Sharsmith 1962-6-3 5102 Napa Napa to Soda Springs road; San Francisco Bay Region 152 Comment
  RSA568530  Lotus unifoliolatus T. Gertrude Williamson 1924-7-4 s.n. Napa Saint Helena, White Sulphur Springs. Comment
  CDA10890  Lotus wrangelianus G. F. Hrusa, M. Rejmanek 1993-5-15 10985 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD65952  Ludwigia peploides subsp. montevidensis B. J. Grewell 2006-9-19 06- 71 -LU Napa Lake Hennessey where reservoir overflow backs up into confluence with Sage Creek south of Hwy 128. 97 Comment
  UCD78328  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-10-4 05- 35 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 98 Comment
  UCD78330  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-9-14 05- 21 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 99 Comment
  JEPS122685  Lupinus affinis Jake Ruygt 2005-4-4 4741 Napa Mt St. Helena, Highway 29 at Old Toll Road. Quad: Detert Reservoir. Comment
  CAS-BOT-BC201556  Lupinus albifrons var. albifrons Alice Eastwood 1918-5-1 6829 Napa Mt. St. Helena Comment
  UC201116  Lupinus albifrons var. albifrons Katharine Brandegee 1918-7-31 Napa Toll House Mt. St. Helena (Mt. St. Helena); , Toll House Comment
  UCD170209  Lupinus albifrons var. albifrons Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 748 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 408 Comment
  CAS-BOT-BC196280  Lupinus albifrons var. eminens Arno H. Wilson 1921-4-8 s.n. Napa Atlas Comment
  CAS-BOT-BC196283  Lupinus albifrons var. eminens Eliz. Parsons Hawver 1915-6-3 s.n. Napa Skaggs Springs Comment
  JEPS107221  Lupinus bicolor Jake Ruygt 1996-4-24 3622 Napa Garfield Lane, Napa. 17 Comment
  JEPS107222  Lupinus bicolor Jake Ruygt 1979-5-2 569 Napa SE corner of Big Ranch Rd. and Trancas Street, Napa 13 Comment
  JEPS64975  Lupinus bicolor W. L. Jepson 1915-4-23 6265 Napa Chiles Creek hills Conn Valley, Chiles Creek hills Comment
  JEPS65351  Lupinus bicolor W. L. Jepson 1924-4-6 10317 Napa Howell Mt. Comment
  UC338165  Lupinus bicolor unknown April 1889 Napa Calistoga Comment
  UCD18040  Lupinus bicolor Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 591 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
  JEPS48859  Lupinus bicolor Elsa Kraeger 1926-3-27 Napa near Soscol; near Soscol Comment
  OBI25607  Lupinus chamissonis R. L. Hoover 1968-4-11 20 Napa One block W of hwy 1 on Palm Ave, Marina Comment
  JEPS65234  Lupinus formosus var. robustus W. L. Jepson 1894-5-7 48 t Napa Howell Mt.; Howell Mt. (lower slopes at Crystal Sprs.) Comment
  UCD108125  Lupinus latifolius G. F. Hrusa 1992-4-15 10378 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  JEPS118637  Lupinus microcarpus subsp. microcarpus B. Castro and L. P. Janeway 2002-5-12 1371 Napa Inner North Coast Ranges. Ca 0.8 mi NW of Cedar Valley, at crossing of Cedar Creek, along the road from Devilhead Road. Knoxville 7.5' quad. Comment
  JEPS107217  Lupinus microcarpus var. densiflorus Jake Ruygt 1989-5-24 2348 Napa Fagan Creek at South Kelly Rd. 21 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
  JEPS107220  Lupinus microcarpus var. densiflorus Jake Ruygt 1979-5-16 604 Napa 8.4 miles east of Monticello Rd. on HWY 128 152 Comment
  OBI48333  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1419 Napa CA 128 E, 7.4 mi E jctn Hwy 29 in Rutherford, 3.6 mi W jct Lower Chiles Valley Rd Comment
  SBBG114094  Lupinus microcarpus var. densiflorus R. Riggins 1982-5-22 1420 Napa St Hwy 128 E, 7.2 mi E of jct with Hwy 121, 2.9 mi W Monticello Dam, Lake Berryessa 274 Comment
  SD243357  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 miles E junction CA 121, 2.9 miles W Monticello Dam, Lake Berryessa. 289 Comment
  UCD108695  Lupinus microcarpus var. densiflorus Alan P. Godlewski 1974-5-3 s.n. Napa 5 miles West of Winters, approx. 100 yds from hiway 128. Comment
  JEPS107248  Lupinus nanus Jake Ruygt 1981-4-1 965 a Napa Stags Leap 213 Comment
  JEPS65381  Lupinus nanus W. L. Jepson 1937-4-10 18003 Napa Howell Mt.; Howell Mt., Adam-and-Eve Ridge Comment
  UC156988  Lupinus nanus Joseph P. Tracy 1903-5-15 1847 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS85043  Lupinus nanus Larry Heckard, Mary Ashton 1969-5-3 2191 Napa 7 mi ne of Napa (Mead Ranch, off Atlas Peak Road); Mead Ranch 457 Comment
  SBBG67013  Lupinus nanus Mrs. H. P. Bracelin 1932-4-17 234 Napa 4 mi S of Yountville Comment
  UCD109267  Lupinus nanus Collector Unknown 1925-4-15 1741 Napa Davis. Comment
  POM670069  Lupinus polycarpus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC202221  Lupinus sericatus Charles Piper Smith 1948-6-3 48311 Napa Highway 29 - Stevenson Place, 0.4 miles north Comment
  CAS-BOT-BC202231  Lupinus sericatus A. A. Heller 1949-5-6 15586 Napa East side of Mt. St. Helena just below the crossing of State Highway #29 Comment
  SEINET12165201  Lupinus sericatus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -304 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  JEPS107243  Lupinus succulentus Jake Ruygt 1982-5-8 1227 Napa American Canyon .7 miles east of Flosden Road 54 Comment
  UCD47984  Lupinus succulentus R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 11 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 burned area (burned Oct 1999). 640 Comment
  UCD54564  Lupinus succulentus K. Walker; PLB 102 2006-5-13 6 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  HSC89680  Lupinus vallicola Robin Bencie, Rich Dwerlkotte 1989-3-24 27 Napa A few mi. N of Callistoga, along Hwy. 29 Comment
  SEINET7072776  Luzula comosa A. G. Vestal 1963-5-12 s.n. Napa High point on Spring Mountain Road above Saint Helena. Coordinate datum: WGS84/NAD83. (38? deg. 31' 15" North Latitude, -122? deg. 32' 3" West Longitude, UTM Zone 10, 540614mE, 4263487mN. Coordinate datum: NAD 27.) 549 Comment
  UCD167018  Luzula subsessilis Jake Ruygt 1987-4-5 1940 Napa Mt. Veeder, west of The Cove. 749 Comment
  CAS-BOT-BC231455  Lycium barbarum Peter H. Raven 1951-8-22 3885 Napa Napa 45 Comment
  JEPS45959  Lythrum hyssopifolia Willis L. Jepson 1893-9-24 14085 Napa Napa River Basin, Howell Mt., Angwin's Meadows Angwin's Meadows; Napa River Basin, Howell Mt., Angwin's Meadows Comment
  UCD149591  Lythrum hyssopifolia Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC343834  Madia elegans Alice Eastwood 1918-9-3 7957 Napa Mt. St. Helena Comment
  JEPS106610  Madia elegans Jake Ruygt 1979-4-21 539 Napa Milliken Canyon west of dam 121 Comment
  UC1544800  Madia elegans Almut G. Jones 1986-8-23 7253 Napa near Calistoga Comment
  UCD63156  Madia elegans Jake Ruygt 1987-7-11 2069 Napa Robert Louis Stevenson State Park near HWY 29. 694 Comment
  CAS-BOT-BC344443  Madia exigua R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6661 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  JEPS38329  Madia exigua W. L. Jepson 1938-5-22 18828 Napa Snell Valley Comment
  UC584054  Madia exigua J. Clausen 1935-5-22 1070 Napa ca 1 mi e Chiles Valley Store Comment
  JEPS106550  Madia gracilis Jake Ruygt 1984-5-5 1538 Napa Bell Canyon, above reservoir 426 Comment
  JEPS40379  Madia gracilis W. L. Jepson 1938-5-24 18852 Napa Howell Mts. Napa Range 762 Comment
  UCD161292  Madia gracilis Jake Ruygt 1978-5-14 314 Napa 0.6 miles north of Oakville Cross Road on Silverado Trail. (Coordinates estimated by label maker at UC Davis). 60 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
  UCD20728  Madia gracilis Ellen Dean; w/ Mark Bibbo 2002-6-17 1106 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 188 Comment
  UCD63149  Madia gracilis Jake Ruygt 2003-4-14 4498 Napa Lower hills of Blue Ridge east of Zim-Zim Creek. 365 Comment
  POM298296  Madia nutans D. D. Keck 1931-4-2 1027 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  POM298345  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  RSA104111  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  SBBG92575  Madia nutans B. G. Baldwin 1987-4-26 652 Napa Las Posadas St Forest (Howell Mtn) immediately N of dirt Rd leading E of Las Posadas Fire Stn, less than 0.1 mi E of Stn Comment
  CAS-BOT-BC345049  Madia sativa David D. Keck 1933-11-10 2718 Napa Rutherford, just S. of town Comment
  CAS-BOT-BC345054  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa Comment
  UCD139045  Maianthemum dilatatum Joan A. Wegner 1973-6-1 93 Napa Bird Hill near St. Helena. Comment
  RSA434859  Malacothamnus helleri Peter H. Raven 1965-5-15 20205 Napa On divide between Zim Zim Creek and Nevada Creek, 5 miles SSE of Knoxville 396 Comment
  JEPS36797  Malacothrix clevelandii W. L. Jepson 1938-5-25 18865 Napa Bell Canyon, Napa Range, Howell Mt. Comment
  CAS-BOT-BC347513  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC347515  Malacothrix floccifera R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6677 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  SEINET6413448  Malacothrix floccifera R. Spellenberg 2014-5-20 14816 Napa Butts Canyon Road 12.5 km SE of Middletown. 320 Comment
  UC527941  Malacothrix floccifera R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6677 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UCD134397  Malacothrix floccifera B. Wengeler 1995-4-30 s.n. Napa 0.2 mile north of Hwy 128 along Knoxville Road. 183 Comment
  UCD170680  Malacothrix floccifera 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
  JEPS36780  Malacothrix floccifera W. L. Jepson 1896-6-2 Napa Napa Valley. Comment
  UCD73411  Marah fabacea Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  POM339533  Marah fabacea F. R. Fosberg 1967-4-1 48412 Napa Hills just south of Lake Berryessa Comment
  RSA10654  Marah oregana C. B. Wolf 1928-5-3 1835 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  POM262794  Medicago arabica J. C. Roos 1939-5-2 292 Napa Angwin Comment
  JEPS129142  Medicago lupulina Jake Ruygt 1990-7-14 2601 Napa Yountville Ecological Reserve, Napa River at Yountville Cross Road. Yountville 7.5' Quad. Comment
  UCD18036  Medicago polymorpha Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 587 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  CAS-BOT-BC271154  Melica Peter H. Raven 1964-5-9 19045 Napa Edge of redwood grove along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC269412  Melica californica Peter H. Raven 1951-5-20 2847 Napa Hills w. Oakville 365 Comment
  CAS-BOT-BC269417  Melica californica California Academy of Sciences 1870-5-1 s.n. Napa Oakville Comment
  CAS-BOT-BC269418  Melica californica John Thomas Howell 1931-4-3 6123 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  UC53669  Melica californica Willis L. Jepson 1893-1 Napa Napa Valley; Napa River Basin Comment
  UCD160734  Melica californica Ellen Dean 2015-5-23 8786 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD170674  Melica californica Matthew Conner; Plant Science 102 class 2018-4-28 10 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD36944  Melica californica Beecher Crampton 1956-5-25 3465 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD87007  Melica californica K. Esau 1938-5-1 s.n. Napa Napa County. Napa Valley. Comment
  UCD87231  Melica californica R. Tofsrud 1950-4-24 s.n. Napa 3 mi. S of Monticello. Comment
  CAS-BOT-BC282162  Melica geyeri Alice Eastwood 1922-5-4 11252 Napa Calistoga Comment
  CAS-BOT-BC282167  Melica geyeri J. P. Tracy 1902-5-15 1468 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles E of Angwin's 396 Comment
  CAS-BOT-BC282168  Melica geyeri Peter H. Raven 1952-8-26 5154 Napa Lokoya 487 Comment
  CDA32499  Melica geyeri Unknown 1928-3-15 s.n. Napa Blake Estate, east of Pacific Union College. 0 Comment
  SEINET10599399  Melica geyeri LeRoy R. Abrams 1928-5-3 Abrams 12254 Napa Summit St. Helena Grade, Comment
  SEINET11687429  Melica geyeri F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -310 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UCD87549  Melica harfordii R. Tofsrud 1941-6-1 283 Napa Road from Napa to Lacoya. Comment
  CAS-BOT-BC264212  Melica torreyana unspecified 1870-5-22 s.n. Napa Oakville Comment
  CAS-BOT-BC264221  Melica torreyana David D. Keck 1931-4-2 1018 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa 170 Comment
  UC1103166  Melica torreyana Joseph P. Tracy 1933-6-2 12465 Napa 5 mi e St. Helena (Howell Mt Road); Northern Coast Ranges 304 Comment
  UCD117786  Melica torreyana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  UCD18072  Melica torreyana Ellen Dean; with Plant Biology 102 class 2000-4-22 627 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD38823  Melica torreyana Beecher Crampton 1958-4-29 4756 Napa Capell Creeks. Comment
  UCD81835  Melica torreyana Ellen Dean 2009-4-24 5465 Napa Property at 600 Petrified Forest Road. 170 Comment
  UCD88838  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  UCD89107  Melica torreyana J. Lenz 1947-4-18 s.n. Napa Eastern Napa County. Child's Valley. Comment
  SEINET10599685  Melica torreyana David D. Keck 1931-4-2 Keck 1034 Napa Wooden valley road, east side of Napa Range, 8 miles from Napa. Comment
  JEPS65546  Melilotus albus W. L. Jepson 1894-11-5 13602 Napa river bed above St. Helena Comment
  UCD108089  Melilotus indicus Helen K. Sharsmith 1953-6-15 4193 Napa Adjacent to Soda Creek, on road to Rutherford 2 miles west of junction with Monticello road. 213 Comment
  JEPS110791  Melissa officinalis Jake Ruygt 1992-7-10 3080 Napa Yountville Ecological Reserve, Yountville Cross Rd., Napa River 26 Comment
  UC2061507  Melissa officinalis Dean G. Kelch 2016-7-9 16 .153 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  JEPS112576  Mentha Jake Ruygt 1992-8-6 3119 Napa Yountville Ecological Reserve, Yountville Cross Rd. 25 Comment
  JEPS120372  Mentha suaveolens Jake Ruygt 1986-6-28 1852 Napa Near intersection of Chiles-Pope Valley. Road and Lower Chiles Valley Road. Capell Valley 7.5' Quad. Comment
  UCD102837  Micranthes californica G. L. Webster 1967-3-23 7498 Napa Between Wragg Canyon and Markley Canyon, c. 5 miles SW Monticello Dam. 396 Comment
  CDA10905  Micropus californicus G. F. Hrusa, M. Rejmanek 1993-5-15 11001 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CDA12105  Micropus californicus G. F. Hrusa 1989-4-24 5963 A Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  RSA10690  Micropus californicus C. B. Wolf 1928-5-3 1797 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD168548  Micropus californicus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  CAS-BOT-BC348549  Micropus californicus var. californicus Peter H. Raven 1950-4-15 1754 Napa Wooden Valley Grade, above Napa 457 Comment
  SBBG8217  Micropus californicus var. californicus H. and M. Dearing 1939-5-2 3253 Napa near Napa Comment
  UC164798  Micropus californicus var. californicus Joseph P. Tracy 1902-5-26 1636 Napa near Calistoga; Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC348679  Microseris acuminata John Thomas Howell 1931-4-19 6467 Napa Conn Valley Comment
  CAS-BOT-BC348969  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  UCD148785  Microseris douglasii subsp. douglasii Ellen Dean; Diana Hickson 2014-4-29 8093 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  POM203302  Microseris douglasii subsp. douglasii J. T. Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  JEPS101494  Mimulus angustatus Dean W. Taylor 1998-6-3 16453 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UC1245370  Mimulus angustatus Joseph P. Tracy 1950-5-23 18660 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  JEPS10222  Mimulus aurantiacus var. aurantiacus W. L. Jepson 1904-6-3 2449 Napa Howell Mt. Napa Range Comment
  RSA293488  Mimulus aurantiacus var. aurantiacus John Dourley 1979-07 1856 Napa Wooden Valley Rd., north-east of Napa Comment
  JEPS10249  Mimulus cardinalis Alice King July 1919 Napa Van Ness ranch Mt. St. Helena Comment
  CDA15441  Mimulus guttatus Rachel Curtis 1995-5-6 14 Napa Approx. 7.0 mi. E of Silverado Trail Rd. Comment
  JEPS11027  Mimulus guttatus W. L. Jepson 1893-4-25 28 m Napa w St. Helena (trail to Caux's Cabin); Hood's Peak Range Comment
  JEPS11030  Mimulus guttatus W. L. Jepson 1897-5-2 30 m Napa sw Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  JEPS110586  Mimulus kelloggii Jake Ruygt 1980-5-3 869 Napa Bear Valley 731 Comment
  UC26955  Mimulus kelloggii W. L. Jepson 1893-5-2 29 m Napa Pope Valley grade from Calistoga Comment
  JEPS9263  Mimulus latidens Willis L. Jepson 1893-4-27 31 m Napa Napa Napa River Basin, Lower Napa Valley Comment
  JEPS33727  Mimulus layneae D. E. Breedlove 1963-5-29 5081 Napa 8 mi n Pope Valley Comment
  UCD122756  Mimulus layneae S. E. Schoenig 1998-6-3 98- 21 Napa Research Hill, 0.1 mi. SW of Devilhead road, 0.5 SW of Knoxville-Berryessa Rd., 1 mi. NW of Homestake mine. 655 Comment
  JEPS11439  Mimulus microphyllus W. L. Jepson 1921-5-6 9171 Napa Calistoga 109 Comment
  JEPS18289  Mimulus microphyllus Peter H. Raven 1957-5-5 10754 Napa near Airport; Calistoga 91 Comment
  UC26989  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD160788  Mimulus microphyllus Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8668 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  JEPS11359  Mimulus nasutus Jepson 1893-5-1 13 m Napa near Calistoga; Upper Napa Valley Comment
  JEPS11428  Mimulus nasutus W. L. Jepson 1921-5-6 9169 Napa Yountville 30 Comment
  UC26938  Mimulus nasutus Edw. L. Greene 1894-6-17 Napa Calistoga; ; Calistoga, Napa Co. 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
  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-BC467196  Minuartia californica L. R. Abrams 1928-5-3 12222 Napa St. Helena Grade Comment
  SEINET5725995 Image available Minuartia californica Stephen Randall 1974-1 3 Napa 1 air mile southeast of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  UC903159  Minuartia californica Ethel Crum 1937-4-19 1785 Napa 17 mi ne Napa; Napa Range, Steel Canyon Comment
  CHSC102526  Mollugo verticillata Lowell Ahart 2009-10-12 16445 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.F 133 Comment
  JEPS122749  Mollugo verticillata Jake Ruygt 2009-7-28 5467 Napa North shore of Lake Berryessa near Eticuera Creek parking lot. Quad: Walter Springs. Comment
  JEPS110818  Monardella douglasii Jake Ruygt 1985-6-3 1609 Napa American Canyon, .4 miles east of Flosden Rd. 161 Comment
  POM180780  Monardella villosa subsp. villosa J. T. Howell 1930-7-13 5349 Napa On the edge of the Crater Country Comment
  POM194200  Monardella villosa subsp. villosa J. T. Howell 1929-5-30 4270 Napa Pope Valley Creek near Samuels Springs, Napa Range. Comment
  CAS-BOT-BC220691  Monardella viridis John Thomas Howell 1930-7-13 5360 Napa On the edge of the Crater Country Comment
  LA54246  Monardella viridis Robert F. Hoover; 1941-8-24 5575 Napa Mount St. Helena, E side Comment
  UC1995309  Monardella viridis John Thomas Howell 1937-7-4 13060 Napa Wooden Valley Grade Comment
  UC292738  Monardella viridis W. L. Jepson 1894-10-13 Napa Cam Valley Cam <Conn> Valley (hillsides) Comment
  JEPS2654  Monardella viridis subsp. viridis W. L. Jepson 1894-10-13 70 d Napa Upper Conn Valley Napa Range; Upper Conn Valley, Napa Range Comment
  SEINET10582239  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 374 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  SEINET10582240  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 368 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  SEINET10582243  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 372 Napa Rte. 128 east, just past junction with road to West Lake Berryessa, on both sides of the road. Steep, bare, serpentine cut. Comment
  JEPS43262  Montia fontana Willis L. Jepson 1893-4-26 Napa Napa River Basin, Rutherford Rutherford; Napa River Basin, Rutherford Comment
  JEPS112612  Montia parviflora Jake Ruygt 1991-5-11 2653 b Napa Howell Mountain Road, S of Ink Grade 551 Comment
  POM182667  Muilla maritima David D. Keck 1931-4-4 1096 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS129123  Najas marina Jake Ruygt 2012-11-3 5889 Napa Barton Hill, northwest shore of Lake Berryessa. Walter Springs 7.5' Quad. Comment
  POM182795  Nassella lepida D. D. Keck 1931-4-2 1017 Napa Wooden Valley Grade, West side of Napa Range, 5 mi NE of Napa 170 Comment
  SEINET212975  Nassella lepida Diana Toth 1974-4-29 Napa Rt 128 between Rutherford and Davis Comment
  UCD149687  Nassella lepida 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
  UCD48419  Nassella lepida M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 5 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines. 304 Comment
  UCD87903  Nassella lepida Gerry North 1993-3 27 Napa Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 60 m S of Vista Point at old slide. On NE side of Adobe Canyon Road. Comment
  UCD149717  Nassella pulchra Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD87480  Nassella pulchra Beecher Crampton 1962-5-16 6433 Napa 0.5 mile W of Aetna Springs. Comment
  SEINET178558  Navarretia K. Brandegee 1911-6-1 148 Napa Near Aetna Springs Comment
  UC23627  Navarretia heterodoxa Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UC23628  Navarretia heterodoxa Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD167178  Navarretia heterodoxa Jake Ruygt 2005-7-3 4938 Napa Atlas Peak Road (Mead Ranch), south of Foss Valley, road to vernal pools. 481 Comment
  JEPS112534  Navarretia intertexta subsp. intertexta Jake Ruygt 1980-6-21 932 Napa Bear Valley 621 Comment
  JEPS123311  Navarretia intertexta subsp. intertexta David Gowen 2009-6-15 1062 Napa Snell Valley Road, east of Butts Canyon Road in Snell Wildflower Preserve. Small drainage on southwest side of road. Comment
  UC142968  Navarretia jepsonii Mrs. K. Brandegee Jul 26 1910-Jun 1 1911 148 Napa near Aetna Springs Comment
  UC963962  Navarretia linearifolia subsp. pinnatisecta R. F. Hoover 1941-8-24 5576 Napa e side of Mt. St. Helena Comment
  UC1177372  Navarretia mellita Peter H. Raven 1950-6-20 2390 Napa nne side Howell Mtn. (road to Pope Valley) Comment
  JEPS112552  Navarretia pubescens Jake Ruygt 1988-5-29 2206 Napa Devilshead Rd. at Berryessa-Knoxville Rd 457 Comment
  RSA91872  Navarretia pubescens Beecher Crampton 1953-5-19 1309 Napa Oak woodland area, grassy flat, 4 miles south if Monticello, state Hwy, 128. Comment
  UCD36307  Navarretia pubescens Beecher Crampton 1953-5-19 1309 Napa 4 miles south of Monticello, along Highway 128. Comment
  JEPS70447  Navarretia squarrosa W. L. Jepson 1893-6-26 20949 Napa Howell Mt. Napa Range Comment
  JEPS101639  Navarretia subuligera Dean W. Taylor 1998-6-23 16694 Napa headwaters Swartz Canyon, South flanks Twin Peaks, (ca. 5 air mi W Aetna Springs) 716 Comment
  SEINET196694  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Tributary of Putah Creek, Pope Valley. Comment
  JEPS70499  Navarretia viscidula W. L. Jepson 1938-9-22 19015 Napa near Sanitarium (in Lyons Valley, in lower slopes of Howell Mt.); Howell Mt., Lyons Valley Comment
  SEINET10873103  Nemacladus capillaris Baker 1947-7-7 Baker 11852 Napa At end of wood road leading south from Mount St. Helena Inn towards "The Crater" 914 Comment
  JEPS5479  Nemacladus montanus W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge; ne Napa County Comment
  OBI20979  Nemacladus montanus Rimo Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4508 Napa Above Soda Crk along State hwy 28, 8.2 mi E of Conn Lake reservoir Comment
  RSA492511  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  SEINET10461259  Nemacladus montanus Jussell JUSSELL s.n. Napa Napa Comment
  SEINET10906140  Nemacladus montanus Hoffman 1952-5-24 HOFFMAN s.n. Napa Sage Canyon Road, 8.3 miles west of the junction of the Monticello, Sage Canyon, and Winters roads Comment
  SEINET3815165 Image available Nemacladus rigidus Herbert L. Mason 1935-5-30 10000 Napa Four miles N of Knoxville Mines Comment
  CAS-BOT-BC219371  Nemophila Saichi Kawahara 1968-4-20 342 Napa Chiles-Pope Valley Road, 2 miles south of Pope Valley 259 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
  UC1239745  Nemophila heterophylla J. P. Tracy 1902-5-22 1622 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Howell Mountain, head of Moore's Creek, e of Angwin's 365 Comment
  UCD120062  Nemophila heterophylla G. L. Webster 1967-3-23 7488 Napa Along Chiles Creek c. 1 mi SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  UCD37576  Nemophila heterophylla Beecher Crampton 1955-4-7 2452 Napa Napa County, at border with Solano and Yolo Counties, 7 miles west of Winters, 0.25 mile west of Recreation Beach of Putah Creek, Vaca Mountains, east facing slope of Cold Canyon. Comment
  UC880874  Nemophila heterophylla Lewis S. Rose 1939-4-16 39087 Napa 10 mi ne Napa (Wooden Valley); ne of Napa, Wooden Valley Comment
  SFV8490  Nemophila menziesii S. Randall 1974-4-13 13 Napa 1 air mile southwest of Pope Valley, just west of Chiles-Pope Valley Road. 207 Comment
  UC126919  Nemophila menziesii H. P. Chandler 1906-4-17 6077 Napa Comment
  UCD23405  Nemophila menziesii Leslee Newton 1977-4-16 6 Napa Erect plants 2-4 inches tall, leaves green, pinnately lobed and pubescent, stems also pubescent. Flower petals with blue margins and veins, the rest white. Foothill woodland, scattered patches of 3-4 individuals in open field. 6.4 miles SSW of Monticello Dam on Highway 128. 182 Comment
  UCD23406  Nemophila menziesii Fumi Takeda 1977-4-4 1 Napa Flower blue but fades when mature. Highway 128, 6.4 miles southwest of Monticello Dam. Open foothill woodland. Moist, coarse clay soil. 182 Comment
  UCD23408  Nemophila menziesii Marti Franco 1977-4-16 183 Napa Herbaceous annuals, flowers blue and white. Foothill woodland, east facing slope, among grasses, full sun. East Bull Canyon, off of State Highway 128, 6.4 miles southwest of Monticello Dam. Comment
  JEPS110848  Nemophila menziesii var. atomaria Jake Ruygt 1998-4-11 3904 Napa Langtry Road at Napa/Sonoma County line. 579 Comment
  SEINET9351968  Nemophila menziesii var. atomaria Unknown 1933-4-2 91 Napa Napa Co., CA Comment
  UCD166683  Nemophila menziesii var. atomaria Jake Ruygt 1998-3-21 3883 Napa west of Pope Canyon Road, north side of Burton Creek. 187 Comment
  JEPS110847  Nemophila menziesii var. menziesii Jake Ruygt 1982-2-16 1101 Napa .3 mile north of Chimney Golf Course on Silverado Trail 20 Comment
  POM320432  Nemophila menziesii var. menziesii Carole Mathews 1972-3-28 20 Napa North shore of Lake Berryessa, about 5 miles above Monticello Dam. South Coast Range, Lake Berryessa drainage area. 274 Comment
  CAS-BOT-BC219385  Nemophila parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs 150 Comment
  JEPS13901  Nicotiana acuminata var. multiflora Willis L. Jepson 1894-11-5 21245 Napa above St. Helena (Napa River bed); Napa River Comment
  SBBG28937  Nuttallanthus texanus D. D. Keck 1931-4-2 1021 Napa Wooden Valley Grade, west side of Napa Range, 5 mi NE of Napa 170 Comment
  JEPS129065  Nymphaea odorata Jake Ruygt 1991-7-20 2778 Napa Doe Lake, Friesen's Lakes, Angwin. Saint Helena 7.5' Quad. Comment
  UC15042  Odontostomum hartwegii J. P. Tracy 1902-5-14 1443 Napa Howell Mt. grade near St. Helena (head of Moore's Creek, 3 - 4 mi. e. of Angwin's); Howell Mt., Moore's Creek 182 Comment
  UC672086  Odontostomum hartwegii Herbert L. Mason 1934-4-30 8102 Napa w. side near summit Wooden Valley Grade Comment
  JEPS110557  Oemleria cerasiformis Jake Ruygt 1987-3-14 1926 Napa Conn Valley Rd. (near PG&E and transform er) 109 Comment
  JEPS44833  Oemleria cerasiformis Willis L. Jepson 1893-5-5 13829 Napa near Mt. St. Helena (Middleton grade) Comment
  JEPS120434  Oenothera glazioviana Jake Ruygt 2009-7-4 5457 Napa Silverado trail north of Pope Street. Comment
  CAS-BOT-BC500126  Orobanche fasciculata John H. Thomas 1955-5-21 5129 Napa Sarco Creek drainage, near State Hwy 37, about 6 mi from Napa 274 Comment
  JEPS10848  Orobanche uniflora subsp. occidentalis Mrs. D. O. Clara Hunt''Mrs. D. O. (Clara) Hunt 1909-4-8 Napa Saint Helena. Comment
  UC1125595  Orobanche uniflora subsp. occidentalis Beryl O. Schreiber 1938-4-24 2498 Napa Wooden Valley Grade, 5.2 mi NNE of Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC243698  Orobanche valida subsp. howellii Alice A. Ackley 1964-8-1 s.n. Napa Mt. St. Helena Comment
  POM15656  Orthocarpus erianthus C. F. Baker 1903-4-19 2632 Napa Calistoga. Comment
  RSA202268  Orthocarpus faucibarbatus L. D. Thurman 1964-4-15 392 Napa 5 miles north of Napa on Silverado trail. Comment
  POM83502  Orthocarpus lithospermoides var. bicolor W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge, NE Napa Co. Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  UCD160568  Osmorhiza berteroi G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UC1177078  Oxalis articulata subsp. rubra Peter H. Raven 1951-5-6 2832 Napa St. Helena 91 Comment
  JEPS122735  Oxalis pilosa Jake Ruygt 1994-5-25 3391 Napa Westwood Hills Park, Browns Valley Road. Quad: Napa. Comment
  UC166073  Packera clevelandii J. P. Tracy 1905-7-6 2221 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD134745  Packera clevelandii Robert E. Preston 1987-6-18 565 Napa 1.4 mile northeast of Big Basin. 414 Comment
  JEPS37601  Packera eurycephala Joseph Ewan 1934-4-30 Napa 8 mi above Monticello; Pope Creek Comment
  LA203912  Packera eurycephala var. eurycephala Joseph Andorfer Ewan; 1934-4-30 8826 Napa near Samuel Springs, above Monticello on Pope Valley Grade Comment
  UC131781  Packera eurycephala var. eurycephala C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  CAS-BOT-BC316875  Packera eurycephala var. eurycephala John Thomas Howell 1935-5-12 12626 Napa Pope Creek Canyon 1 mile below Samuels Springs Comment
  UCD134782  Packera greenei Jack Major 1961-6-13 546 Napa State Highway 128, 3.9 miles northwest of Moskowite's Corners. Comment
  UCD169780  Packera greenei Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 788 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 455 Comment
  CAS-BOT-BC316944  Packera greenei Mrs. H. C. Cantelow 1934-5-30 550 Napa Mt. St. Helena Comment
  OBI77572  Packera greenei David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24506 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  OBI22057  Panicum capillare Robert F. Hoover 1966-8-23 9933 Napa Butts Cyn near Lake Co line Comment
  UCD33496  Panicum capillare subsp. hillmanii Beecher Crampton 1969-7-14 8496 Napa Napa County, Napa, southern area east of Napa River bridge, Hwys. 12, 29, 121. Comment
  UCD166678  Panicum capillare subsp. hillmanii Jake Ruygt 2012-9-15 5878 Napa Crystal Flats, Putah Creek. 131 Comment
  CAS-BOT-BC259732  Paspalum distichum Peter H. Raven 1951-9-9 3897 Napa Near Slaughterhouse Point, Napa River 0 Comment
  UCD148765  Paxistima myrsinites Jake Ruygt 4760 Napa Napa County; Van Ness Canyon, along road to Bear Valley. 615 Comment
  UCD161333  Pectocarya pusilla Jake Ruygt 1982-4-25 1200 Napa Swartz Canyon near falls. (Coordinates estimated by label maker at UC Davis). 426 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
  JEPS68220  Pectocarya pusilla Willis L. Jepson 1893-3-13 21091 Napa Hills near St. Helena Napa River Basin Comment
  UCD123329  Pedicularis densiflora H. Popenoe 1949-5-1 18 Napa 1 mile from Pacific Union College, beside road to Pope Valley. Comment
  UCD67968  Pedicularis densiflora D. Levine 1974-4-6 47 Napa Headwaters of Wragg creek, 4 miles from junction 121 on highway 128. 304 Comment
  UCD47772  Pellaea andromedifolia Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 6 Napa Mclaughlin Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. Hillside ca. 150 m above the road, east of the calcium seep, on a west-facing slope, 50 m down from the crest of the hill. 426 Comment
  UC197944  Pellaea andromedifolia C. F. Sonne Apr. 1885 Napa Soda Springs Comment
  UCD169608  Pellaea mucronata var. mucronata Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  JEPS7566  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1904-6-3 2446 Napa Howell Mt. , Howell Mt. (Napa Range) Comment
  NY601710  Penstemon heterophyllus var. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles northeast of Napa 200 Comment
  UC185341  Penstemon heterophyllus var. heterophyllus Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  SEINET11052858  Penstemon laetus Joseph Andorfer Ewan 1934-4-30 8861 Napa Near Samuel Spgs. above Monticello Pope Valley Grade Comment
  UCD48369  Pentagramma triangularis subsp. triangularis A. Van Houtte; E. Leger and C. Hohn 2001-4-14 15 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam on W side of South Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  CAS-BOT-BC71675  Pentagramma triangularis subsp. triangularis Jean Fottrell 1906-7-1 s.n. Napa unspecified Comment
  JEPS12439  Perideridia kelloggii W. L. Jepson 1915-4-23 6252 Napa Conn Valley Napa Range Comment
  JEPS129109  Perideridia oregana Jake Ruygt 2015-6-13 6128 Napa Fernandes - Snell Peak, Land Trust. Aetna Springs 7.5' Quad. Comment
  POM65431  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena. Comment
  UC131534  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena Comment
  UCR45092  Phacelia corymbosa L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  CAS-BOT-BC134010  Phacelia distans John H. Thomas 1955-5-21 5173 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  UC1277977  Phacelia distans B. Crampton 1957-4-15 3934 Napa Capell Valley Comment
  UCD81820  Phacelia distans Ellen Dean 2009-4-24 5447 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC672717  Phacelia imbricata W. S. Boyle 1942-4-25 1069 Napa 10 mi from Napa (1/4 mi e of Silverado Trail rd to Calistoga) Comment
  UC723839  Phacelia imbricata Joseph Andorfer Ewan 1934-4-30 8848 Napa on Steel Canyon rd 5 mi s Monticello Comment
  UCD169610  Phacelia imbricata subsp. imbricata Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  RSA133981  Phacelia imbricata subsp. imbricata Lincoln Constance, L. R. Heckard 1951-4-15 3371 Napa Silverado Trail, one mile east of St. Helena. Comment
  UC1001191  Phacelia nemoralis subsp. nemoralis Peter H. Raven 1952-5-31 4154 Napa Rector Dam 152 Comment
  RSA518801  Phacelia suaveolens subsp. suaveolens L. R. Heckard 1972-6-26 2995 Napa Mt. St. Helena, SE of lookout; near radar station. 1220 Comment
  UC34033  Phalaris angusta Willis L. Jepson 1893-1 Napa Napa Valley; Napa River Basin, Napa Valley Comment
  UCD48242  Phoradendron bolleanum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 6 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  JEPS110813  Phoradendron densum Jake Ruygt 1979-6-9 692 Napa .5 miles west of Berryessa-Knoxville Rd. on Devilshead Rd. 475 Comment
  RSA92800  Phoradendron densum Peter H. Raven 1951-10-28 3959 Napa Knoxville. 457 Comment
  UCD49305  Phoradendron leucarpum subsp. tomentosum M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 22 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines. 243 Comment
  UCD170443  Phragmites australis Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 915 Napa Knoxville Wildlife Area, on Zim Zim Falls trail north of Zim Zim Falls. 407 Comment
  UCD70474  Phyla nodiflora P. J. Plummer 1995-5-29 s.n. Napa Shore of Lake Berryessa, several miles N of Spanish Flats. Perennials, matted on sandy shore. Flowers white and purple. 121 Comment
  CDA34680  Physalis lancifolia L. Ahart 2009-10-27 16500 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. Comment
  JEPS44811  Physocarpus capitatus W. L. Jepson 1895-11-26 13847 Napa La Jota Plateau Howell Mt Comment
  UCD167239  Phytolacca americana Jake Ruygt 1992-8-6 3118 Napa Yountville Ecological Reserve, Yountville Cross Road. 25 Comment
  UCD108172  Pickeringia montana D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Winters-Napa. Capell Valley. Capell Creek. 250 Comment
  UCD164735  Pickeringia montana Jake Ruygt 2014-6-23 6014 Napa Sutro Ranch, Atlas Peak. 544 Comment
  RSA176554  Pickeringia montana var. montana Peter H. Raven 1962-5-31 17917 Napa On Lower Lake-Knoxville Road, 1.9 miles south of Lake county line. Comment
  CDA7596  Picris echioides T. C. Fuller 1957-10-25 552 -57 Napa Napa Junction. 0 Comment
  RSA15670  Pinus attenuata C. B. Wolf 1928-2-25 1501 Napa Mt. St. Helena 1 mile beyond summit on road to Middletown. Comment
  SD136373  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  UC796589  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa 1.5 mi from summit Mount St. Helena (along forest road) 1066 Comment
Read comments
Oct 2 2012
  JEPS103996  Pinus sabiniana Jake Ruygt 1997-11-1 3876 Napa Stags Leap 432 Comment
  JEPS46897  Pinus sabiniana W. L. Jepson 1901-8-1 Napa St. Helena Comment
  UC400310  Pinus sabiniana W. L. Jepson Dec 1895 Napa Conn Valley St. Helena Comment
  JEPS120440  Piperia elongata Jake Ruygt 1978-7-2 377 Napa 3/4 mile west of 29 on Diamond Mtn. Rd. Comment
  JEPS120441  Piperia transversa Jake Ruygt 1991-6-29 2751 Napa .7 mile south of White Cottage Rd. on Howell Mtn Rd. Comment
  JEPS129089  Plagiobothrys bracteatus Jake Ruygt 2016-4-19 6195 Napa Wantrup Wildlife Sanctuary, Hardin Road. Chiles Valley 7.5' Quad. Comment
  JEPS60956  Plagiobothrys bracteatus Joseph P. Tracy May 1903 1843 Napa Calistoga 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
  UCD74375  Plagiobothrys bracteatus Jake Ruygt 2002-4-17 4387 Napa Sulphur Springs Rd., west of St. Helena. 76 Comment
  UCD120817  Plagiobothrys canescens M. Wiesendanger 1927-5-4 675 Napa Near Monticello. Comment
  UCD74378  Plagiobothrys canescens Jake Ruygt 1982-4-7 1171 Napa Suscol ridge west of Hwy. 221. 24 Comment
  JEPS68065  Plagiobothrys nothofulvus Willis L. Jepson 1893-3-13 21156 Napa St. Helena Napa River Basin Comment
  UCD148755  Plagiobothrys nothofulvus Jake Ruygt 2002-4-1 4375 Napa Napa County; Blue Ridge north of Mays Flat. 716 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
  RSA0051321  Plagiobothrys nothofulvus Keith E. Hoffmaster 1946-3-23 1040 Napa Napa range, along Napa-Monticello road. Comment
  UCD14966  Plagiobothrys nothofulvus Joe Smilanick 1977-4-16 16 Napa California, Napa Co.; along Highway 128, 6.4 mi. southwest of Monticello Dam; 182 Comment
  UCD15494  Plagiobothrys nothofulvus Kathryn Specht 1984-4-28 8 Napa 2 miles East of Knoxville Road on Coyote Knoll. 121 Comment
  UCD74376  Plagiobothrys nothofulvus Jake Ruygt 1983-3-26 1393 Napa 0.5 mile south of Sage Canyon Rd. on Silverado Trail. 76 Comment
  UC192203  Plagiobothrys stipitatus C. F. Sonne Apr 1887 Napa Napa Junction Comment
  UCD74386  Plagiobothrys stipitatus var. micranthus Jake Ruygt 1982-4-14 1185 Napa East of Rocktram, west of Hwy. 221. 1 Comment
  CHSC79269  Plagiobothrys strictus Beecher Crampton 1955-4-4 2388 Napa 2 miles north of Calistoga. Comment
  JEPS106762  Plagiobothrys strictus Jake Ruygt 1996-4-11 3589 Napa Calistoga Airport 105 Comment
  JEPS106759  Plagiobothrys tenellus Jake Ruygt 1993-5-1 3233 Napa Cedar Creek Rd. at Cedar Creek. 548 Comment
  JEPS106760  Plagiobothrys tenellus Jake Ruygt 1986-4-20 1718 Napa The Palisades 755 Comment
  JEPS106761  Plagiobothrys tenellus Jake Ruygt 1982-3-22 1143 Napa Kreuze Canyon 381 Comment
  JEPS68151  Plagiobothrys tenellus Willis L. Jepson 1893-4-28 21159 Napa plateau n Mt. George; Napa River Basin, Napa Range Comment
  UCD74385  Plagiobothrys tenellus Jake Ruygt 1980-3-22 811 a Napa Ridge on north side of Snell Valley. 268 Comment
  UC55923  Plagiobothrys tener var. tener J. P. Tracy 1902-5-18 1538 Napa 3-4 mi e Angwin's (head Moore's Creek, Howell Mountain); Head Moore's Creek, Howell Mountain 518 Comment
  JEPS60966  Plagiobothrys tener var. tener Elsa Kraeger 1926-3-27 Napa near Soscol Comment
  JEPS120325  Plantago erecta Jake Ruygt 1995-4-27 3638 Napa Chiles Valley Road north of Turtle Rock 1/4 mile. Chiles Valley 7.5' Quad. Comment
  UCD96055  Platystemon californicus G. E. Johnston 1974-4-4 6115 Napa near Bell Canyon, Angwin. 426 Comment
  CAS-BOT-BC91870  Platystemon californicus John Thomas Howell 1926-3-20 1691 Napa Near Calistoga. Comment
  RSA264959  Platystemon californicus var. californicus George E. Johnston 1974-4-4 6115 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  JEPS110899  Plectritis brachystemon Jake Ruygt 1996-4-6 3550 Napa about 100 ft above Rector Dam on south side of lake. 146 Comment
  JEPS4815  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  JEPS4816  Plectritis brachystemon Miss R. Kuhn 1912-5-28 Napa Oakville Comment
  JEPS6145  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4444 Napa Conn Canyon Reservoir Comment
  UCD49297  Plectritis congesta subsp. brachystemon Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 13 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd. 10 ft. from creek bed. 182 Comment
  CDA10906  Plectritis macrocera G. F. Hrusa, M. Rejmanek 1993-5-15 11002 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS14271  Plectritis macrocera L. T. Dempster 1954-5-25 P 10 A Napa at site of bridge across Putah Creek, near proposed Monticello Dam Putah Creek Comment
  UCD37555  Pleuropogon californicus Beecher Crampton 1955-4-4 2392 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD90195  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Napa Calistoga, Myrtledale Hot Springs. Comment
  UCD90196  Pleuropogon californicus var. californicus R. Tofsrud 1951-5-20 s.n. Napa East edge of Yountville Cemetery. Comment
  SACT001791  Poa annua John Willoughby 1979-5-25 Napa On moist or now dry margins of stock pond. About 1 mile south of Signal Hill just below and to the west of Blue Ridge. 609.6 Comment
  UC73784  Poa annua J. Burtt Davy April 1902 Napa St. Helena Comment
  CAS-BOT-BC246686  Poa howellii Catherine Best 1980-4-9 s.n. Napa Glass Mountain Rd near the Silverado Trail Comment
  RSA113786  Poa howellii Beecher Crampton 1956-5-25 3461 Napa east slope of Wragg Canyon, Vaca Mountains Comment
  UCD91104  Poa howellii Beecher Crampton 1956-5-25 3461 Napa Vaca Mountains, eastern slope of Wragg Canyon. Comment
  UCD36594  Poa napensis Beecher Crampton 1955-5-9 2750 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  NY431291  Poa napensis A. A. Beetle 1946-5-7 4256 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD92438  Poa secunda subsp. juncifolia W. E. Wood 1928-4-15 s.n. Napa Blake Estate, Pacific Union College, St. Helena. Comment
  JEPS122924  Poa secunda subsp. secunda Jake Ruygt 1983-4-13 1423 Napa Snell Valley west of Stagecoach Canyon Road. Quad: Aetna Springs. Comment
  JEPS110822  Pogogyne douglasii Jake Ruygt 1982-6-13 1320 Napa Pope Canyon Rd. near large vernal marsh 187 Comment
  UCD160701  Pogogyne douglasii Ellen Dean; Jake Ruygt 2015-5-23 8760 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  SEINET13947022 Image available Pogogyne douglasii Peter H. Raven 1951-1 2880 Napa Butts Canyon, elev ca 1000 ft 305 Comment
  SEINET7968092  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Near Calistoga. 91 Comment
  UC153995  Pogogyne douglasii Joseph P. Tracy 1903-5-15 1863 Napa Napara Valley, near Calistoga 91 Comment
  UC1988917  Pogogyne douglasii Alice Eastwood and John Thomas Howell 1939-6-11 Napa near Calistoga Comment
  JEPS110820  Pogogyne serpylloides Jake Ruygt 1994-5-17 3377 Napa Bennett Lane, Butts Canyon Road; Juliana Vineyards 252 Comment
  RSA0036083  Polycarpon tetraphyllum John Thomas Howell 1943-6-20 18242 Napa Hills west of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD98413  Polycarpon tetraphyllum Freed W. Hoffman 1946-8-20 1855 Napa Conn Reservoir. 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
  RSA292917  Polygala californica Reino Alava 1957-5-30 987 Napa 4.2 miles (four and 2 tenths of a mile) north of the junction of Highways 37 and 128, on State Highway 128. Comment
  SEINET12205441  Polygala californica F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -329 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS110853  Polygonum amphibium var. emersum Jake Ruygt 1979-8-7 790 Napa .1 mile north of Yountville underpass on Yount St. 28 Comment
  CAS-BOT-BC413935  Polygonum aviculare subsp. aviculare Peter H. Raven 1951-9-9 3893 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  CAS-BOT-BC109157  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mile north of Yountville. Comment
  CAS-BOT-BC109158  Polygonum bolanderi T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain. Comment
  JEPS50580  Polygonum bolanderi John T. Howell 1926-10-3 2213 Napa about 2 mi from Petrified Forest (between there and Calistoga) Comment
  UC523515  Polygonum bolanderi David D. Keck 1933-11-10 2721 Napa 1 mi n Yountville Comment
  UC6671  Polygonum bolanderi Bolander 1863-9-20 2649 Napa e Napa Valley; ; among rocks near Napa in field notes Comment
  CAS-BOT-BC414386  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  JEPS50597  Polygonum californicum W. L. Jepson Sept. 1893 14799 Napa Napa Valley Comment
  UC1562673  Polygonum lapathifolium Barbara Ertter with Elizabeth Neese 1988-10-2 7962 Napa e boat-luanching ramp on SE edge of lake (ca 15 air mi nnw of Napa); North Coast Ranges, Conn Creek, Lake Hennessey 91 Comment
  JEPS120370  Polygonum majus Jake Ruygt 1986-6-14 1812 Napa Mt. Millhouse Camp, Mt. Saint Helena. Detert Reservoir 7.5' Quad. Comment
  CAS-BOT-BC419846  Polygonum patulum John Thomas Howell 1932-10-8 10799 Napa Cuttings Wharf on Napa River Comment
  HSC100737  Polygonum punctatum Lowell Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek, E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  JEPS50655  Polygonum punctatum Willis L. Jepson 1893-9-24 14801 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC71953  Polypodium californicum Rimo Bacigalupi 1924-2-22 s.n. Napa near toll house Mt. St. Helena Comment
  RSA309338  Polypodium californicum Edward Lee, Annetta Carter 1935-12-1 1672 Napa Sarco Creek, Howell Mountains (road from Napa to Wooden Valley) Comment
  CAS-BOT-BC72056  Polypodium calirhiza John Thomas Howell 1926-3-21 1729 Napa St. Helena Creek near Patten's 609 Comment
  JEPS116570  Polystichum imbricans subsp. imbricans Jake Ruygt 2002-3-16 4362 Napa Troutdale Creek west of Highway 29. Detert Reservoir 7.5' Quad. Comment
  RSA431142  Polystichum lonchitis Lyman Benson 1932-8-7 4045 Napa Mount Saint Helena 762 Comment
  UCD139794  Prosartes hookeri C. H. Lamoureux; J. M. Tucker, R. Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road and Silverado Trail Comment
  JEPS112641  Prunella vulgaris var. lanceolata Jake Ruygt 1982-6-29 1346 Napa .3 mile south of Old Bale Mill on east side of HWY 29 88 Comment
  CAS-BOT-BC154919  Prunus ilicifolia J. H. Thomas 1955-5-21 5104 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  UC1128467  Prunus virginiana var. demissa B. Schreiber 1936-5-3 2205 Napa .3 mi wsw of Petrified Forest 274 Comment
Read comments
Jun 12 2012
  CAS-BOT-BC356378  Pseudognaphalium beneolens Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC356377  Pseudognaphalium beneolens Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD146333  Pseudognaphalium microcephalum 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
  UC32002  Pseudognaphalium microcephalum W. L. Jepson 1892-7-1 Napa Knoxville Comment
  UCD63178  Pseudognaphalium microcephalum Jake Ruygt 1988-3-26 2138 Napa east of Toll canyon on Blue Ridge. 673 Comment
  UCD91506  Pseudoroegneria spicata Beecher Crampton 1961-6-12 5898 Napa North end of Capell Valley, above Capell Creek, along State Hwy. 128. Comment
  RSA187448  Pseudotsuga menziesii John H. Thomas 1966-3-22 11534 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 610 Comment
  UCD160704  Psilocarphus brevissimus Ellen Dean; Jake Ruygt 2015-5-23 8763 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  JEPS106885  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1990-4-21 2490 Napa Giles Mead Ranch, Atlas Peak Rd. 487 Comment
  JEPS106924  Psilocarphus tenellus Jake Ruygt 1993-4-12 3193 Napa Milton Road west of the Brazos Bridge a 0 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
  UC1197567  Pyrola picta J. P. Tracy 1899-6-14 341 Napa 3-4 mi e of Angwins (Head of Moore's Creek, Howell Mountain); Howell Mountain, Head of Moore's Creek 518 Comment
  CAS-BOT-BC362358  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  UC829434  Pyrrocoma racemosa var. racemosa Alice Eastwood 1918-9-3 7961 Napa Calistoga Comment
  UC221331  Pyrrocoma racemosa var. racemosa H. M. Hall 1923-10-15 11949 Napa Calistoga, by the spring Calistoga Comment
  JEPS37946  Quercus W. L. Jepson 1916-8-6 6825 Napa Howell Mt. Comment
  JEPS116571  Quercus X chasei Jake Ruygt 1982-3-22 1141 Napa Sugarloaf Mountain near Skyline Park. 7.5' Mount George Quad. Comment
  JEPS116572  Quercus X morehus Jake Ruygt 1986-5-5 1742 Napa North side of Mount George. 7.5' Mount George Quad. Comment
  UC1010753  Quercus X morehus Peter H. Raven 1951-6-26 3086 Napa Cappell Valley to Wooden Vallen 304 Comment
  UCD47033  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa California: Napa County, Quail Ridge Reserve, near Lake Berryessa; 146 Comment
  JEPS37367  Quercus agrifolia W. L. Jepson 1907-12-1 2972 Napa Napa Valley; Sanitarium Hill road Comment
  JEPS37806  Quercus agrifolia W. L. Jepson 1937-4-10 18004 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD45140  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa From a population of this speciesm Q. wislizenii, and a few hybrids; along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif.; elev. 580 feet. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). No. 1 of 4 sheets. 176 Comment
  CDA35900  Quercus agrifolia var. agrifolia G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 s.n. Napa North Coast Biodiversity Arena; Upper end of Lake Hennessey along Hwy 128. Comment
  JEPS116525  Quercus berberidifolia Jake Ruygt 2002-10-23 4467 b Napa Mount Vaca, south side of peak. Mount Vaca 7.5' Quad. Comment
  SFV17674  Quercus berberidifolia J. M. Tucker 1950-11-12 2014 7 Napa Highway 28, 7.7 miles (by road) west of junction with Highway 37. Southeast-facing hillslope above Sage Creek. Comment
  UCD83393  Quercus berberidifolia Jake Ruygt 1992-9-24 3156 Napa Lower Chiles-Pope Valley Rd., N of Berryessa Knox Rd. 201 Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  CAS-BOT-BC62461  Quercus chrysolepis Mrs. E. C. Suttiffe 1919-10-1 s.n. Napa Mt. St. Helena Comment
  JEPS37396  Quercus douglasii Willis L. Jepson 1901-8-6 1724 Napa Howell Mt. grade Napa River Basin Comment
  UCD37729  Quercus douglasii Beecher Crampton 1961-9-19 5977 Napa Napa County, 3 miles east of Moskowite Corner, along State Highway 128, divide between Wragg Canyon and Capell Valley. Comment
  UCD45768  Quercus douglasii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena; elev. ca. 1800 ft. 548 Comment
  JEPS37800  Quercus dumosa W. L. Jepson 1938-9-28 19042 Napa La Jota Mesa Howell Mts. Comment
  CAS-BOT-BC79841  Quercus durata Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC79844  Quercus durata M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 mi NE Cliff Spring Comment
  CDA21884  Quercus durata H. Stabo 1968-10-21 Napa 0 Comment
  CHSC85477  Quercus durata G. F. Hrusa; G. L. Stebbins 1994-3-11 11602 Napa On Ink Grade approx. 2 miles N of Angwin. 520 Comment
  RSA38487  Quercus durata Carl B. Wolf 1944-11-1 11483 Napa 2.2 miles east of Lake County line, between Knoxville and Lower Lake. 457 Comment
  RSA39631  Quercus durata P. A. Munz 1947-10-10 12213 Napa 12 miles east of Rutherford on road to Winters (Inner Coast Range). Comment
  SACT002640  Quercus durata Ira Wiggins, R. Ferris 1933-6-2 Napa 10 miles north of Howell Mount Comment
  UCD14812  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -19 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14821  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -17 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14827  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -25 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD149623  Quercus durata G. Ledyard Stebbins 1994-3-11 s.n. Napa Capell Creek. Comment
  UCD45889  Quercus durata Beecher Crampton 1962-10-9 6704 Napa 7 miles north of Conn Reservoir (Lake Hennessy), Pope Valley Road. Comment
  UCD45978  Quercus durata G. F. Hrusa; G. L. Stebbins 1994-3-11 11602 Napa Rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin. 520 Comment
  HSC71371  Quercus durata var. durata J. P. Smith, J. O. Sawyer 1970-5-17 3784 Napa 8 mi. N of Pope Valley 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
  UCD54026  Quercus durata var. durata R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 5 Napa McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD96195  Quercus durata var. durata Ellen Dean; with Clare Loughran 2011-5-20 7075 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
  UCD46206  Quercus garryana John M. Tucker 1950-11-5 2005 1 Napa California, Napa Co.; near Angwin, on Howell Mountain, beside road from Pope Valley. (Collections made from 8 trees). Comment
  UCD14549  Quercus garryana var. garryana John M. Tucker; and G. L. Stebbins 1950-11-5 2008 -19 Napa California, Napa Co.; ca. 2 mi. north of St. Helena, beside road to Howell Mountain; Comment
  UCD46115  Quercus garryana var. garryana John M. Tucker 1952-9-20 2626 Napa California, Napa Co.; road up Mt. St. Helena (Highway 29) 5.2 mi (by road) north of Calistoga. Comment
  JEPS37763  Quercus kelloggii Willis L. Jepson 1900-3-8 505 Napa St. Helena Napa River Basin Comment
  UC1196356  Quercus kelloggii J. P. Tracy 1902-5-22 1620 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD46714  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. Helena, 0.4 mile over the north side from the summit of the road (State Highway 29), Napa County, California. Comment
  CAS-BOT-BC62880  Quercus lobata John Thomas Howell 1930-10-19 5608 Napa Pope Valley School, Pope valley Comment
  POM262791  Quercus lobata J. C. Roos 1939-3-27 282 Napa Angwin, Howell Mountains. Comment
  UCD47491  Quercus wislizeni John M. Tucker 1941-9-20 397 Napa On road bank; Putah Canyon, a short distance west of Redbud Park, Napa County, California. Comment
  CDA11911  Quercus wislizeni var. frutescens G. F. Hrusa, G. L. Stebbins 1994-3-11 11609 Napa North Coast Biodiversity Arena; Ink Grade approx. 2 miles N of Angwin on Howell Mtn. Comment
  JEPS106869  Rafinesquia californica Jake Ruygt 1989-5-20 2335 Napa About .5 miles south of Monticello Dam on Vaca Mtns. Monticello Dam 7.5' Quad. 822 Comment
  UCD89690  Ranunculus aquatilis Paul A. Aigner 2004-4-10 s.n. Napa DFG Knoxville Wildlife Area, adjacent to McLaughlin Reserve, Foley Canyon. 635 Comment
  UCD167153  Ranunculus aquatilis var. diffusus Jake Ruygt 2015-5-13 6100 Napa East of Zim- Zim Creek parking lot. 348 Comment
  JEPS55055  Ranunculus aquatilis var. hispidulus Willis L. Jepson 1893-5-1 Napa Upper Napa Valley Napa River Basin Comment
  UCD95935  Ranunculus californicus Heidi E. M. Dobson 1978-4-8 299 Napa east slope of Mt. Veeder. Comment
  JEPS110875  Ranunculus hebecarpus Jake Ruygt 1986-3-29 1672 a Napa Toll Canyon 210 Comment
  POM268693  Ranunculus lobbii W. L. Jepson 1893-5-1 s.n. Napa Upper Napa Valley, near Calistoga; Napa River basin Comment
  UCD159791  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  JEPS55165  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  JEPS55170  Ranunculus occidentalis Willis L. Jepson 1893-3-13 Napa hills e St. Helena; Napa River Basin Comment
  RSA15680  Ranunculus occidentalis var. eisenii Carl B. Wolf 1928-2-25 1488 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  POM268381  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  POM268385  Ranunculus occidentalis var. eisenii Lyman Benson 1931-2-26 2600 Napa N of Calistoga, Mayacamas Mt. Napa watershed. 549 Comment
  UCD170810  Ranunculus occidentalis var. occidentalis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 160 Comment
  SEINET5718622 Image available Ranunculus occidentalis var. occidentalis Gary W. Elmstrom 1965-1 5 Napa Dollarhide Road, ca. 3.5 miles east of Pope Valley.; Pope Valley 274 Comment
  JEPS17350  Ranunculus orthorhynchus var. bloomeri Rimo Bacigalupi with John Dawson 1955-4-25 4841 Napa 2 1/2 mi s Imola (field along CA Hwy 29) Comment
  UC162818  Ranunculus pusillus Joseph P. Tracy 1902-5-18 1531 Napa La Jota Plateau Northern Coast Region, Howell Mountain (on hills at head of Moore's Creek, 3-4 mi e of Angwin's) 518 Comment
  JEPS110989  Ranunculus pusillus Jake Ruygt 1990-5-5 2525 Napa Johnsons Meadow, Wild Horse Valley Ranch 420 Comment
  UCD115232  Raphanus sativus M. R. Wanzer 1948-5-6 13 Napa Putah Canyon, 8.5 miles west of Winters. Comment
  UCD54552  Reseda luteola Ellen Dean 2005-10-12 2740 Napa W of town of Napa. N side of Partrick Rd. 1660 Partrick Rd. 236 Comment
  JEPS24114  Rhagadiolus stellatus Mrs. Ida DeMay Wilson 1959-5-10 Napa Dry Creek Rd near Napa Comment
  UCD159528  Rhagadiolus stellatus D. S. Park 2011-4-11 277 -1 Napa Redwood Canyon. Off Redwood Rd. Comment
  CAS-BOT-BC362896  Rhagadiolus stellatus Ida DeMay Wilson 1959-4-5 s.n. Napa Dry Creek Road Comment
  OBI5246  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson ranch, Dry Crk Rd, 2mi W of Yountville Comment
  UCR148776  Rhamnus californica J. Good 1998-6-6 33 Napa hwy 128; 3 mi west of Monticello dam and then up the dirt road behind Markley Cove 50' 146 Comment
  UCD16107  Rhamnus tomentella I. Coats 1983-6-3 57 Napa California. Napa County: 2.2 mi NW of Lower Chiles Valley Rd along Chiles Pope Valley Rd. Comment
  CAS-BOT-BC199722  Rhododendron occidentale L. R. Abrams 1928-5-4 12286 Napa 4 mi. south of Middletown Comment
  UC1221788  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa slopes above Capell Creek (n end of Capell Valley); Capell Valley 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
  CAS-BOT-BC168039  Rhus aromatica John Thomas Howell 1926-3-28 1769 Napa St. Helena Creek below Patten's Comment
  CAS-BOT-BC200716  Rhus aromatica Peter H. Raven 1952-5-26 4066 Napa Steel Canyon 304 Comment
  JEPS66270  Rhus trilobata W. L. Jepson 1924-5-8 10411 Napa near mouth of Pope Creek (w side of Berryessa Valley); Berryessa Valley Comment
  JEPS126022  Ribes californicum var. californicum Jake Ruygt 1977-3-6 140 Napa East of Basalt Rock quarry. Mount George 7.5' Quad. Comment
  UCD19944  Ribes malvaceum E. A. Dean; Virginia Boucher 2002-2-28 905 Napa Quail Ridge Reserve. Along upper trail, going N of stock pond at ridge top; going towards power lines, 0.1 airline miles S of powerlines, just upslope where lower and upper trails meet. 286 Comment
  UC572660  Ribes roezlii Herbert B. Kaufner 1937-4-12 102 Napa near summit (highway) Mount St. Helena Comment
  CAS-BOT-BC198895  Ribes roezlii var. cruentum Rimo Bacigalupi 1926-3-28 1268 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  UCD164831  Ribes victoris Jake Ruygt 2012-5-19 5851 Napa Crystal Flats, west of Putah Creek. 268 Comment
  UC1176937  Ribes victoris var. minus Peter H. Raven, G. L. Stebbins Jr. 1953-4-19 5330 Napa e Chiles Valley; Soda Creek 137 Comment
  CAS-BOT-BC363051  Rigiopappus leptocladus Beecher Crampton 1972-4-19 8792 Napa North end of Capell Valley Comment
  UC165855  Rigiopappus leptocladus J. P. Tracy 1899-6-13 421 Napa Chamiso ridge Howell Mountain 457 Comment
  UCD63167  Rigiopappus leptocladus Jake Ruygt 1983-5-29 1467 Napa Napa Valley: Knoxville. 426 Comment
  JEPS106793  Rorippa curvisiliqua Jake Ruygt 1996-6-2 3739 Napa Buchli Station area of Duhig Road; near Huichica Creek 5 Comment
  JEPS53853  Rorippa curvisiliqua Willis L. Jepson Nov. 1894 13381 Napa river bed near St. Helena; river bed near St. Helena Comment
  CAS-BOT-BC147532  Rosa californica Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC147537  Rosa californica Doris K. Kildale 1928-5-8 5045 Napa 3 miles west of Napa-Solano county line Comment
  JEPS110648  Rosa californica Jake Ruygt 2007-5-14 593 Napa NE corner of Trefethen Vineyards, Dry Creek 22 Comment
  UC126646  Rosa californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7115 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS112569  Rosa gymnocarpa Jake Ruygt 1976-5-14 76 Napa 4.0 miles west of HWY 29 on Redwood Rd. 97 Comment
  RSA195350  Rosa gymnocarpa Gilbert Muth 1967-5-19 692 Napa Milliken Dam. 335 Comment
  SBBG3092  Rosa gymnocarpa H. and M. Dearing 1939-4-30 3233 Napa near St Helena Comment
  UC126648  Rosa gymnocarpa Harley P. Chandler Sep 7 1906-Sep 14 1906 7114 Napa Alta Loma Ranch Howell Mountain 487 Comment
  SEINET11910993  Rosa gymnocarpa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -311 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  SBBG50772  Rubus parviflorus G. E. Gaboury 1971-5-8 G- 38 Napa N slope of Howell Mtn off Chiles Rd Comment
  CAS-BOT-BC156911  Rubus ursinus Elsa G. Ruckert 1960-4-3 67 Napa 6495 Dry Creek Road 365 Comment
  UCD17923  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-8 53- 84 Napa California. Napa County: junction of Silverado Trail and Spring Valley Road near the 'Mather House. Comment
  JEPS110763  Rumex acetosella Jake Ruygt 1982-5-26 1299 Napa south of Robert Louis Stevenson Park toward Palisades 839 Comment
  CAS-BOT-BC421598  Rumex crispus Peter H. Raven 1952-5-29 4072 Napa Napa River 1 mi. n. Napa 60 Comment
  RSA755378  Rumex dentatus L. Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  SBBG128000  Rumex dentatus L. Ahart 2009-10-27 16492 Napa below the high water line of Lake Berryessa, ca. 50 yards SE of Eticuera Crk, ca. 150 yards S of Eticuera Parking Area at the NE end of the causeway, on the S side of Berryessa Knoxville Rd, ca. 20 mi NW of Winters 130 Comment
  CAS-BOT-BC433758  Rumex pulcher Peter H. Raven 1952-5-31 4099 Napa Yountville 30 Comment
  UCD101453  Rumex pulcher Louise Krozek 1965-5-8 23 Napa Berryessa-Knoxville Road, ca. 7 miles north of State Highway 128. Comment
  JEPS120316  Rumex salicifolius Jake Ruygt 1992-7-7 3074 Napa Alston Park near north side of park. Napa 7.5' Quad. Comment
  UC1197460  Rupertia physodes Joseph P. Tracy 1899-6-17 393 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD108460  Rupertia physodes M. Wiesendanger 1927-5-4 698 Napa Monticello-Napa Rd. Comment
  JEPS106735  Sagina decumbens subsp. occidentalis Jake Ruygt 1982-4-4 1166 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  CDA24079  Sagina procumbens Gene Cornett 1963-5-21 Napa Mid City Nursery, 3635 Broadway, Vallejo. 0 Comment
  POM203578  Salix I. L. Wiggins 1932-3-12 5752 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC108671  Salix breweri David D. Keck 1931-5-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  POM219054  Salix breweri H. P. Bracelin 1931-4-17 253 Napa Butt Canyon. Between Pope Springs and Aetna Valley. 300 Comment
  UC481207  Salix breweri Ball, Bracelin, Parks and Parks 1931-4-21 25 Napa near junction with St. Helena Creek (about 6 km s of Middletown, about 120 m above creek mouth); Mirabel Creek 420 Comment
  UCD110792  Salix breweri Edward L. Smith 1967-5-7 s.n. Napa Butts Creek, below small reservoir at upper (northwest) end of canyon where road from Pope Valley enters, Butts Canyon, 6.9 miles northwest of Pope Valley. 213 Comment
  UC146203  Salix exigua var. hindsiana Joseph P. Tracy 1904-5-20 2077 Napa along Napa R. near Rutherford; Northern Coast Ranges 30 Comment
  CAS-BOT-BC108199  Salix hindsiana Peter H. Raven 1951-6-26 3045 Napa Sarco Ck. E of Napa 60 Comment
  JEPS38385  Salix laevigata W. L. Jepson 1900-3-8 506 Napa Hunt's Meadow St. Helena Comment
  JEPS38404  Salix laevigata Willis L. Jepson 1893-4-29 16 s Napa Bewery Rd. York Creek; Napa River Basin Comment
  UCD164801  Salix laevigata Jake Ruygt 1996-4-20 3619 -d Napa Jameson Canyon Vineyards entry road. 60 Comment
  UCD164804  Salix laevigata Jake Ruygt 1995-3-17 3407 Napa Silverado Trail east of Souza land, Napa. 3 Comment
  CAS-BOT-BC539357  Salix lasiandra var. lasiandra Jake Ruygt 2009-3-21 5388 Napa Larkmead Lane, S side of Napa River 85 Comment
  UCD164813  Salix lasiandra var. lasiandra Jake Ruygt 2007-3-31 5138 Napa Las Posadas State Forest, Moore Creek near Recreational Flat. 359 Comment
  CAS-BOT-BC107046  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 19 Napa One mile northwest of Calistoga Comment
  UC482322  Salix lasiolepis C. R. Ball and Harold E. Parks 1931-2-17 18 Napa 1 mi nw Calistoga (in shallow arroyo) Comment
  UC504070  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  UC504073  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
  CAS-BOT-BC124411  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-8-20 3859 Napa Acacia Lookout nr. Lokoya 426 Comment
  UCD48054  Salvia columbariae A. Ryan; S. Burgess, A. Hufton, J. Pierner, and B. Takahashi 2000-4-29 16 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 609 Comment
  JEPS62780  Salvia sonomensis W. L. Jepson 1943-5-15 20786 Napa Knoxville Ridge Comment
  JEPS112609  Samolus parviflorus Jake Ruygt 1987-7-13 2070 Napa west bank Napa River just south of Lincoln St. 2 Comment
  JEPS104480  Sanicula bipinnata Jake Ruygt 1977-4-3 167 Napa hills east of Lake Berryessa,Green Canyon 228 Comment
  UCD18043  Sanicula bipinnata Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 594 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  CAS-BOT-BC223276  Sanicula bipinnatifida Marcus E. Jones 1924-4-24 s.n. Napa Napa Comment
  JEPS104481  Sanicula bipinnatifida Jake Ruygt 1994-4-26 3356 Napa Pope Valley near Pope Valley Rd. 256 Comment
  UCD48512  Sanicula bipinnatifida A. Van Houtte; E. Leger and C. Hohn 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; NE-facing bank upslope of ruined cabins, between the stock pond and the W side of Decker Canyon Rd. 152 Comment
  UCD81468  Sanicula bipinnatifida M. Wiesendanger 1927-5-4 679 Napa Near Monticello. Comment
  UC658970  Sanicula bipinnatifida Mildred E. Mathias 1937-5-23 1280 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  JEPS104478  Sanicula crassicaulis Jake Ruygt 1992-4-10 2892 Napa Wild Horse Valley Ranch, meadow north of polo field 478 Comment
  UC1022487  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X339 Napa about 9 mi e of Pope Valley (on the road to Monticello, along Pope Creek); Pope Creek Comment
  UC658973  Sanicula crassicaulis Mildred E. Mathias 1937-5-23 1281 Napa Mount St. Helena, along Highway 29 Mount St. Helena; , Highway 29 533 Comment
  UCD73417  Sanicula laciniata Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
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Jan 25 2012
  UCD95923  Sanicula laciniata Ellen Dean; with Clare Loughran 2011-5-20 7056 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UC566847  Sanicula laciniata Herbert L. Mason 1926-3-22 Napa Petrified Forest Comment
  UCD148554  Sanicula tuberosa Jake Ruygt 1979-4-23 550 Napa Napa County; 0.3 mile west of Pope Canyon Rd. Howell Mt. 256 Comment
  JEPS120427  Saxifraga californica Jake Ruygt 2010-3-27 5491 Napa Devil's Canyon on east side near falls. Comment
  UC1301114  Scandix pecten-veneris Helen K. Sharsmith 1963-4-20 5354 Napa above Wooden Valley (San Francisco Bay Region, e side of Napa Range, on Monticello Rd); San Francisco Bay Region, Napa Range, Monticello Rd 243 Comment
  UCSB4655  Scandix pecten-veneris Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  CAS-BOT-BC283613  Schedonorus pratensis Peter H. Raven 1951-6-24 3001 Napa Napa 30 Comment
  UCD50087  Schoenoplectus acutus var. occidentalis R. Tofsrud 1947-5-3 s.n. Napa Pope Creek. Comment
  SEINET9291159  Schoenoplectus fluviatilis Unknown 1995-4-10 12061 Napa Napa Comment
  RSA92927  Schoenoplectus robustus Peter H. Raven 1951-9-9 3900 Napa Near slaughterhouse Point, Napa River. 0 Comment
  JEPS63963  Scirpus microcarpus W. L. Jepson 1916-8-6 6841 Napa Moore's Creek , Moore's Creek (Howell Mt.) 487 Comment
  JEPS121372  Scirpus pungens var. longispicatus Jake Ruygt 1986-7-5 1866 Napa Hunting Creek near campground Comment
  JEPS121371  Scirpus tuberosus Jake Ruygt 1986-8-23 1909 b Napa Lake Hennessey, near spillway. Comment
  UCD148761  Scleranthus annuus subsp. annuus Jake Ruygt 2005-6-4 4897 Napa Napa County; between end of Pocock Creek Rd. and Putah Creek/Hunting Creek confluence. 335 Comment
  UC1103133  Scribneria bolanderi Joseph P. Tracy 1902-5-18 1538 1/2 Napa 3-4 mi e of Angwin's (at head of Moore's Creek, on La Jota Plateau, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  UC1746021  Scribneria bolanderi Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2772 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  JEPS112642  Scutellaria californica Jake Ruygt 1979-6-30 726 Napa Trefethen, east of Carell Lane in low hills 182 Comment
  UCD19916  Scutellaria californica E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 772 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 176 Comment
  RSA276104  Scutellaria siphocampyloides Harry Goff 1936-5-1 s.n. Napa 5.5 mi. from Napa on Monticello Rd. up old wagon road 1/4 mi., then to left on top of ridge near Eucalyptus tree. Comment
  UCD54648  Scutellaria tuberosa Collector Unknown 2006-3-3 s.n. Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  JEPS120411  Secale cereale Jake Ruygt 2009-5-15 5409 z Napa Hwy 12, Jameson Canyon, 1/4 w of county line. Comment
  RSA170228  Sedella pumila Joseph P. Tracy 1950-5-23 18657 Napa Near Angwin Creek; Howell Mountain. Comment
  CAS-BOT-BC63777  Sedum radiatum subsp. radiatum Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC63835  Sedum spathulifolium John H. Thomas 1955-5-21 5126 Napa Sarco Creek drainage, near Hwy 37, about 6 mi from Napa. 274 Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 Comment
  JEPS106850  Senecio aronicoides Jake Ruygt 1979-4-23 543 Napa 2.1 miles east of Silverado Trail on HWY 128 106 Comment
  JEPS37452  Senecio aronicoides W. L. Jepson 1938-5-22 18837 Napa Howell Mts. Comment
  CAS-BOT-BC327425  Senecio flaccidus var. douglasii H. E. McMinn 1922-8-1 396 Napa Pope Valley Canyon Comment
  CDA2460  Setaria verticillata Steve Bardessono 1958-11-1 1569 -58 Napa Orsoe property, Napa. 0 Comment
  CAS-BOT-BC240237  Setaria viridis Peter H. Raven 1952-9-14 5182 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC240238  Setaria viridis Peter H. Raven 1952-9-14 5183 Napa Napa State Game Farm 121 Comment
  POM118525  Sidalcea diploscypha Marcus E. Jones 1924-4-24 s.n. Napa Napa. 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
  UC871440  Sidalcea diploscypha M. S. Jussel 1937-5-23 Napa Mt. St. Helena Comment
  JEPS110707  Sidalcea hartwegii Jake Ruygt 1998-7-18 4099 Napa Bear Valley at pond. 646 Comment
  JEPS110708  Sidalcea hartwegii Jake Ruygt 1989-6-6 2364 b Napa 4.5 miles north of Monticello Rd. on Atlas Peak Rd. 448 Comment
  UC198240  Sidalcea hartwegii H. P. Chandler 1907-5-8 7567 Napa White Sulphur Spr. , White Sulphur Spr. (St. Helena) Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  JEPS129044  Sidalcea keckii Jake Ruygt 2016-5-28 6270 Napa Near East Side Easement Road. Lake Berryessa 7.5' Quad. Comment
  JEPS106851  Silene californica Jake Ruygt 1981-5-13 1022 Napa .2 miles east of Flosden Rd. on north side American Canyon 164 Comment
  JEPS106852  Silene californica Jake Ruygt 1980-6-22 942 Napa .1 mile south of Snell Valley Rd. on Butts Canyon Rd. 198 Comment
  CAS-BOT-BC388149  Silene gallica John H. Thomas 1955-5-21 5121 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  UCD170584  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
  UCD48861  Silene gallica K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 5 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. Down slope of West Rd., ca. 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd. Comment
  JEPS126133  Silene lemmonii Jake Ruygt 2008-5-21 5346 Napa Wildlake Ranch, Rattlesnake Ridge, road to Potato Hill. Calistoga 7.5' Qua. Comment
  UCR212283  Silene multinervia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD148092  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  JEPS64270  Sisyrinchium bellum Willis L. Jepson 1893-4-25 Napa w of St. Helena (trail to Beaux's Cabin); Napa River Basin Comment
  UCD138784  Sisyrinchium bellum Lorraine Clarke 1977-4-16 26 Napa East Bull Canyon 6.4 miles by road SSW of Monticello Dam along Highwya 128, 0.5 miles away from Highway 128. 182 Comment
  SEINET4171098  Sisyrinchium douglasii Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15090 Napa Under Chaparral, 20 miles north of Napa Comment
  JEPS122676  Sium suave Jake Ruygt 1979-7-3 732 Napa Napa River south of Trancas St. Quad: Napa. Comment
  CAS-BOT-BC156484  Solanum umbelliferum J. T. Howell 1933-5-21 11316 Napa Hills east of Napa 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
  SEINET5760783  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa North Coast Ranges; east slope in the Howell Mountains, 5 miles east of Napa 457 Comment
  UCD67494  Solanum xanti D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. Quercus wislizenii and Quercus douglasii woodland ; open spaces. 350 Comment
  UCD40899  Solanum xanti Katherine Countrey 1983-4-22 4 Napa About 8 miles east of Winters on Hwy 128 at the Monticello Dam Parking area. Comment
  CAS-BOT-BC365093  Solidago velutina subsp. californica Peter H. Raven 1951-8-21 3872 Napa Mt. Veeder 762 Comment
  JEPS104694  Solidago velutina subsp. californica John L. Morrison 1936-9-20 1939 Napa Comment
  JEPS106876  Solidago velutina subsp. californica Jake Ruygt 1990-7-14 2602 Napa Yountville Ecological Reserve, Napa River at Yount.Cross 28 Comment
  UCD161737  Solidago velutina subsp. californica Jake Ruygt 1992-7-10 3078 Napa Yountville Ecological Reserve, Yountville Crossroad. 25 Comment
  CAS-BOT-BC374656  Sonchus oleraceus Peter H. Raven 1954-2-22 6396 Napa Saint Helena 60 Comment
  CAS-BOT-BC390296  Spergularia macrotheca var. longistyla Peter H. Raven 1950-5-6 2000 Napa Near Calistoga Airfield, Calistoga 45 Comment
  JEPS120394  Spergularia macrotheca var. longistyla Jake Ruygt 1982-5-19 1273 Napa Tubbs Lane at Myrtledale Road, Calistoga Comment
  RSA0098485  Spergularia macrotheca var. longistyla Rimo C. Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  UCD99270  Spergularia marina M. Wiesendanger 1928-4-5 871 Napa near Calistoga. Comment
  CAS-BOT-BC390565  Spergularia rubra A. A. Heller; H. E. Brown 1902-4-25 6364 Napa Near Napa Comment
  UC14962  Spiranthes porrifolia J. P. Tracy 1899-6-19 445 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Howell Mountain 518 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
  SEINET9352740  Stachys albens Unknown 1976-8-8 13 Napa Napa County Comment
  UC1537556  Stachys albens Gordon H. True Jr. 1937-7-30 828 Napa near Etna Springs 365 Comment
  UCD168557  Stachys rigida var. quercetorum Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD18020  Stellaria nitens Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 565 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD20023  Stellaria nitens C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1215 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  CAS-BOT-BC375744  Stephanomeria virgata Peter H. Raven 1951-8-21 3871 Napa Mt. Veeder 762 Comment
  UCD19317  Stephanomeria virgata M. A. Bibbo; E. Dean 2001-7-6 9 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.5 air miles from jct. with S Decker canyon rd. E (upslope) side of rd. 243 Comment
  HSC100782  Stephanomeria virgata subsp. pleurocarpa Lowell Ahart 2009-10-12 16430 Napa Along W side of Capell Creek, N of rest area, 3/4 mi. SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd., 19 (air) mi. W of Winters. 133 Comment
  JEPS122933  Stipa miliacea var. miliacea Jake Ruygt 1988-5-3 2173 Napa Pope Street at Napa River, St. Helena. Quad: Saint Helena. Comment
  JEPS122966  Stipa pulchra Jake Ruygt 1997-3-18 3806 Napa Greenfield Road. Quad: Saint Helena. Comment
  UCD169880  Stipa pulchra Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 720 Napa Knoxville Wildlife Area. 307 Comment
  CAS-BOT-BC61247  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just south of summit on Butts Canyon road from Pope Valley. Comment
  CAS-BOT-BC61250  Streptanthus breweri John Thomas Howell 1929-5-30 4273 Napa Napa Range. Near Pope Valley Creek, near Samuels Springs. Comment
  JEPS127895  Streptanthus breweri Adam C. Schneider 2013-5-26 212 Napa Uphill (west) side of road cut on Butts Canyon Road, 1.9 miles south of Snell Valley Rd. Comment
  JEPS129030  Streptanthus breweri Jake Ruygt 2015-6-13 6134 Napa Fernandes-Snell Peak, Land Trust. Aetna Spring 7.5' Quad. Comment
  JEPS27000  Streptanthus breweri Joseph P. Tracy 1905-7-6 2219 Napa 3-4 mi e Angwin's (hills at head of creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 457 Comment
  JEPS106609  Streptanthus breweri var. hesperidis Jake Ruygt 1995-6-17 3505 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 Comment
  CAS-BOT-BC87156  Streptanthus glandulosus subsp. glandulosus David D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles northwest of Monticello. Comment
  JEPS84639  Streptanthus glandulosus subsp. glandulosus John W. Willoughby 1977-4-20 2145 Napa w side of ridge below and just to s Mount Vaca; Vaca Mountains, Blue Ridge 457 Comment
  UC1278007  Streptanthus glandulosus subsp. glandulosus B. Crampton 1957-5-16 4043 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  JEPS100815  Streptanthus hesperidis Dean Wm. Taylor with Mey Akasah 1999-6-4 17217 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  JEPS96912  Streptanthus hesperidis Dean W. Taylor 1998-6-23 16689 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  UCD160653  Streptanthus hesperidis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8739 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD167106  Streptanthus hesperidis Jake Ruygt 2015-6-13 6127 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  CAS-BOT-BC87394  Streptanthus morrisonii Lawrence LaPre'; Robin Bjork 1986-7-12 s.n. Napa Headwaters of Rare Plant Canyon, an unnamed tributary of Hunting Creek. 426 Comment
  JEPS82529  Streptanthus morrisonii Roger Raiche 1984-5-19 40155 Napa near Knoxville (off of Bureau of Land Management roads); Hunting Creek area Comment
  UC939443  Streptanthus morrisonii subsp. elatus Arthur R. Kruckeberg 1947-6-14 1482 Napa outcrop on low saddle 1/4 mi w White's Point (Table Mtn. rd ca 5 mi e of Mountain Mill House) Comment
  UCR71160  Streptanthus morrisonii subsp. kruckebergii L. F. LaPre, R. Bjork 1986-7-12 s.n. Napa Inner North Coast Ranges, Headwaters of 'Rare Plant Cyn', an unnamed tributary of Hunting Creek 427 Comment
  UCD137414  Symphoricarpos albus var. laevigatus K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forset. Comment
  CAS-BOT-BC97737  Symphyotrichum chilense Alice Eastwood 1920-7-31 9987 Napa Vallejo Comment
  UC29864 Image available Symphyotrichum spathulatum Edw. L. Greene 1888-8-28 Napa Calistoga Comment
  CDA34670  Symphyotrichum subulatum var. parviflorum L. Ahart 2009-10-27 16476 Napa Below high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. Comment
  OBI72075  Symphyotrichum subulatum var. parviflorum Barbara Ertter, Elizabeth Neese 1988-10-2 7950 Napa Lake Hennessey ca 15 airmiles NNW of Napa, on Conn Crk in North coast Ranges, T7N R5W. below spillway on N side of Rt 128 91 Comment
  UCD86121  Taeniatherum caput-medusae Beecher Crampton 1962-5-16 6436 Napa town of Pope Valley. Comment
  JEPS129150  Taraxacum officinale Jake Ruygt 1978-4-9 270 Napa 2.1 miles NW of Dealy Lane on Henry Road. Napa 7.5' Quad. Comment
  UC107641  Taraxia ovata Mrs. K. Curran Sept. 1888 Napa Howell Mountain 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
  UCR261682  Tetrapteron graciliflorum Ann Howald 2003-4-23 2303 Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 175 Comment
  UC9704  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-5-1 Napa Upper Conn Valley Napa River Basin Comment
  CAS-BOT-BC399739  Thalictrum polycarpum Betty H. Johnson 1958-6-20 662 Napa Near Mt. Mill House, 6.4 mi. S.-W. of Middletown Comment
  JEPS65662  Thermopsis californica var. californica Willis L. Jepson 1895-4-27 13584 Napa Union Station Napa Valley, Napa River Basin Comment
  POM127144  Thermopsis californica var. californica H. P. Chandler 1907-4-14 7509 Napa Near Napa River, 4 miles N. of St. Helena. Comment
  CHSC43429  Thysanocarpus curvipes Lowell Ahart 1976-3-7 1028 Napa About 2 miles south-west of Monticello Dam. 152 Comment
  CAS-BOT-BC66491  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11796 Napa South side of Mount Saint Helena. 4 miles from Calistoga. Comment
  CAS-BOT-BC66494  Thysanocarpus curvipes David D. Keck 1931-4-2 1052 Napa 4 miles south of Monticello, eastern Napa county. Comment
  CAS-BOT-BC66506  Thysanocarpus curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles north of Calistoga on road to Lakeport. Comment
  POM216228  Thysanocarpus curvipes var. curvipes D. D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  UCR17696  Thysanocarpus curvipes var. elegans E. Turula 1975-3-29 76 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  RSA0041675  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-2 1052 Napa 4 miles S of Monticello. Comment
  CDA12106  Thysanocarpus radians G. F. Hrusa 1989-4-24 5962 Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  CHSC27762  Thysanocarpus radians Ethel Pearson 1978-3-24 3 Napa Ca. 2.8 mi w of junction of State Hwy. 128 with Steele Canyon Rd. on Steele Canyon Rd. 152 Comment
  JEPS106585  Thysanocarpus radians Jake Ruygt 1997-3-8 3803 Napa south of Butts Canyon Road intersection with James Creek Rd 210 Comment
  UCD74411  Thysanocarpus radians Jake Ruygt 2002-4-17 4388 Napa North of Foss valley, Atlas Peak Vineyards (Antinori). 463 Comment
  JEPS26171  Tonella tenella Joseph P. Tracy 1902-5-14 1444 Napa 1 mi from St. Helena (on Howell Mt road); Northern Coast Ranges, Napa Valley 91 Comment
  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
  CDA10874  Torilis nodosa G. F. Hrusa, M. Rejmanek 1993-5-15 10969 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC85166  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mt. St. Helena Comment
  JEPS48385  Torreya californica Kellogg 1888 Napa Mt. St. Helena Comment
  UCD20035  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1203 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  HSC95661  Toxicodendron diversilobum Jonathon M. Irvine 1977-4-16 111 Napa Along Hwy. 128, 6.4 mi. SSW of Monticello Dam 183 Comment
  UCD117068  Toxicodendron diversilobum Stephen E. Willeford 1964-5-1 7 Napa East of highway, Putah Creek Drainage, 3 miles south of junction of State Highways 128 and 37. [37 was what is now called 121; assume this was traveling SW along 128 from junction] 182 Comment
  UCD112048  Toxicoscordion Christopher Mallek 2008-5-12 AS2- 23 Napa Aetna Springs. 668 Comment
  UCD169875  Toxicoscordion fremontii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 716 Napa Knoxville Wildlife Area. 257 Comment
  SEINET10879601  Toxicoscordion fremontii John T. Middleton 1936-3-21 Middleton 73 Napa Monticello, CA. Comment
  UC2025090  Toxicoscordion fremontii Fayla Schwartz 1990-3-18 115 Napa Napa Co. 1.2 miles south of intersection with Howell Mt. Road on Deer Park Road, between St. Helena and Angwin. Comment
  UCD139843  Toxicoscordion fremontii Rolf Y. Berg 1963-3-3 s.n. Napa State Highway 37, ca. 1.5 miles south of Wooden Valley junction. Comment
  UCD170439  Tragopogon porrifolius Daniel Potter; Ninh Khuu, Kai Battenberg 2017-5-7 911 Napa Knoxville Wildlife Area, along Berryessa-Knoxville Road. 407 Comment
  JEPS112634  Trichostema lanceolatum Jake Ruygt 1991-8-1 2809 Napa Butts Canyon Rd., 1.9 miles north of How ell Mountain Rd. 240 Comment
  UC615138  Trichostema laxum Beryl O. Schreiber 1936-9-20 2350 Napa 5 mi S of Reiff 762 Comment
  UCD18105  Trichostema laxum K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 41 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
  JEPS112610  Trientalis latifolia Jake Ruygt 1991-5-18 2685 Napa Ink Grade 329 Comment
  UC1925878  Trifolium Ethel Crum 1931-1 1064 Napa Pope Valley Comment
  UCD111351  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  UC457175  Trifolium albopurpureum var. albopurpureum David D. Keck 1931-4-2 1039 Napa 10 mi from Napa (between Wooden Valley and Monticello); east base of the Napa Range Comment
  JEPS65846  Trifolium albopurpureum var. dichotomum Willis L. Jepson 1893-5-2 13663 Napa e Calistoga (Palisades, near summit of New Pope Valley Grade); Napa River Basin 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
  JEPS126124  Trifolium angustifolium Jake Ruygt 2009-5-18 5408 Napa American Canyon Road, near Highway 80; north side of road. Cordelia 7.5' Qua. Comment
  CDA10884  Trifolium bifidum G. F. Hrusa, M. Rejmanek 1993-5-15 10979 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD107885  Trifolium bifidum R. Tofsrud 1951-5-20 s.n. Napa Yountville Cemetery. Comment
  JEPS106797  Trifolium campestre Jake Ruygt 1992-5-4 2931 Napa Westwood Hills Park, Browns Valley Rd. Napa 85 Comment
  UCD108300  Trifolium ciliolatum R. Tofsrud 1951-5-26 s.n. Napa Enterprise School. Comment
  UCD149709  Trifolium ciliolatum 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
  POM182743  Trifolium ciliolatum D. D. Keck 1931-4-2 1041 Napa Between Wooden Valley and Monticello, 10 miles from Napa, east base of Napa Range. Comment
  UCD83441  Trifolium ciliolatum Jake Ruygt 1981-4-18 977 a Napa Harris Canyon. 213 Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  JEPS95202  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-7 1173 Napa between Rocktram and Hwy 29 (221) Suscol Plain Comment
  JEPS106827  Trifolium depauperatum var. truncatum Jake Ruygt 1983-4-10 1415 Napa Suisun Creek Trail near HWY 121 242 Comment
  JEPS65746  Trifolium depauperatum var. truncatum Willis L. Jepson 1893-5-1 13726 Napa from Calistoga (Knights Valley Grade); Napa River Basin Comment
  UCD108523  Trifolium depauperatum var. truncatum P. B. Kennedy 1910-11-1 s.n. Napa Near St. Simeon, upper California. Comment
  UCR141074  Trifolium dichotomum Beecher Crampton 1955-4-7 2439 Napa Inner North Coast Ranges, 0.25 mile northwest of Knoxville 457 Comment
  RSA195292  Trifolium dichotomum Gilbert Muth 1967-4-16 642 Napa Snell Valley 183 Comment
  JEPS106809  Trifolium fucatum Jake Ruygt 1984-4-21 1530 Napa Tubbs Lane at Myrtledale Rd. 118 Comment
  UC1130025  Trifolium fucatum B. Schreiber 1936-3-5 2209 Napa 0.3 mi wsw Petrified Forest; Calistoga quad 274 Comment
Read comments
Jun 12 2012
  UC1197025  Trifolium fucatum Joseph P. Tracy 1902-5-17 1521 Napa 3-4 mi e Angwin's (at head of Moore's Creek); Northern Coast Ranges, Howell's Mtn 365 Comment
  UC16802  Trifolium fucatum Jepson 1894-4-24 Napa w St. Helena (trail to Cuax's Cabin) Comment
  UCD35286  Trifolium fucatum Beecher Crampton 1955-4-7 2446 Napa 1/2 mile northwest of Knoxville. Comment
  POM126204  Trifolium fucatum var. fucatum C. F. Sonne 1887-04 1535 Napa Napa Junction Comment
  JEPS106811  Trifolium glomeratum Jake Ruygt 1983-5-1 1449 b Napa Suscol Ridge east side of HWY 29 (221) 28 Comment
  JEPS106812  Trifolium glomeratum Jake Ruygt 1994-5-2 3367 Napa Kirkland Ranch, NE side of HWY 29 and 12 Comment
  UCD83447  Trifolium gracilentum Jake Ruygt 1998-3-29 3899 Napa Suscol Ridge overlooking Jameson Canyon. 158 Comment
  JEPS106611  Trifolium gracilentum var. gracilentum Jake Ruygt 1996-4-10 3571 Napa Milliken Peak 219 Comment
  UCD159933  Trifolium hirtum 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
  UCD48019  Trifolium hirtum Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 33 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  JEPS65963  Trifolium microcephalum W. L. Jepson 1924-4-29 10389 Napa Toll House Mt. St. Helena Comment
  RSA313540  Trifolium obtusiflorum P. B. Kennedy 1929-5-23 10287 Napa Moore Creek, region of Mt. Howell, Napa Range. Comment
  SEINET7545186  Trifolium petrophilum C. F. Baker 1903-1 2625 Napa Mt. St. Helena Comment
  UCD48989  Trifolium subterraneum K. L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 20 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. E-facing slope on disturbed road cut at the top of South Decker Canyon Rd. just below jct with Decker Ridge Rd. 350 Comment
  UC160934  Trifolium variegatum Joseph P. Tracy 1902-5-17 1524 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  UCD109432  Trifolium variegatum R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS106719  Trifolium variegatum var. major Jake Ruygt 1982-5-8 1230 Napa north side of American Canyon 85 Comment
  POM216217  Trifolium variegatum var. melananthum D. D. Keck 1933-5-28 2336 Napa Between Pope Valley P.O. and Walters Springs. Comment
  JEPS4428  Trifolium variegatum var. melananthum Willis L. Jepson 1893-4-27 13706 Napa near Yountville (Napa Valley); Napa River Basin Comment
  UC16785  Trifolium variegatum var. variegatum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  CDA10893  Trifolium willdenovii G. F. Hrusa, M. Rejmanek 1993-5-15 10988 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CHSC79317  Trifolium willdenovii Beecher Crampton 1970-4-15 8561 Napa East slope of Wragg Canyon. Comment
  JEPS4171  Trifolium willdenovii W. L. Jepson 1936-7-2 17645 Napa Angwin Napa Range, Howell Mtn Comment
  UC1197523  Trifolium willdenovii Joseph P. Tracy 1903-5-15 1848 Napa near Calistoga; Napa Valley 91 Comment
  UCD109874  Trifolium willdenovii Daniel Sanchez-Mata 2006-6-11 s.n. Napa Berryessa-Knoxville Road. 390 Comment
  UCD49034  Trifolium willdenovii A. Van Houtte; E. Leger and C. Hohn 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  UCD109875  Trifolium willdenovii Helen K. Sharsmith 1963-3-17 5230 Napa Along Silverado Trail. 76 Comment
  UCD109880  Trifolium willdenovii R. L. Smith 1948-5-1 s.n. Napa east branch of Monticello Valley, 3 miles east of Samuel Springs. Comment
  JEPS106823  Trifolium wormskioldii Jake Ruygt 1999-6-8 4183 Napa Fagan Slough Comment
  UC441318  Triglochin maritima C. F. Sonne April 1887 1760 Napa Napa Comment
  UCD139895  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 s.n. Napa near Diamond Mt. Ck. Below Diamond Mt. Rd., 0.6 mile W of Cal. Hwy 29, just SW of Calistoga. Comment
  JEPS11784  Triodanis biflora W. L. Jepson 1896-6-2 Napa Napa Valley Comment
  SEINET13750232  Triphysaria eriantha M. J. Williams 1967-5-7 s. n. Napa Pope Valley. 198 Comment
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w Napa Comment
  JEPS110675  Triphysaria pusilla Jake Ruygt 1979-4-17 523 a Napa north of Suscol Hill 24 Comment
  UC27197  Triphysaria versicolor subsp. faucibarbata Willis L. Jepson 1893-5-1 Napa Calistoga Napa River Basin, Upper Napa Valley (Upper Napa Valley) Comment
  CDA41890  Triphysaria versicolor subsp. faucibarbata T. C. Fuller 1958-5-1 s.n. Napa Highways 29 & 21, 6 miles south of Napa. 0 Comment
  JEPS10433  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1937-5-15 18781 Napa (Field 1/2 mi n) Napa Wye; Napa Wye (field 1/2 mi n) Comment
  JEPS17095  Triphysaria versicolor subsp. faucibarbata Rimo Bacigalupi with John Dawson 1955-4-25 4840 Napa 4 mi s Napa State Hospital [Imola] (field 1/2 mi n of the Napa Y, State Highway No. 29 [junction of Jameson Canyon Road and State 29]); junction of Jameson Canyon road and State 29 19 Comment
  JEPS110930  Triteleia hyacinthina Jake Ruygt 1995-6-5 3486 Napa Taylor property, about 2 miles south of Lake Hennessey. 432 Comment
  RSA134117  Triteleia laxa John H. Thomas 1955-5-21 5150 Napa Along State Highway No. 128, about 4.5 miles south of Monticello. 168 Comment
  UCD170829  Triteleia laxa 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 135 Comment
  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
  RSA0009491  Triteleia laxa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC1561245  Triteleia peduncularis Barbara Ertter with Annetta Carter 1989-5-28 8515 Napa 2 mi se Lake Co. line (on Berryessa Rd., near Knoxville) 609 Comment
  UCD169874  Triteleia peduncularis Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 809 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 Comment
  UCR261724  Triteleia peduncularis Ann Howald 2003-5-23 2340 A Napa Inner North Coast Ranges, Snell Valley Road, c. 2.3 miles east of intersection with Butts Canyon Rd. 190 Comment
  SEINET12049805  Triteleia peduncularis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -325 Napa along Butts Canyon Rd near junction with Snell Valley Rd, to Berryessa Estates along Butts Creek 250 Comment
  UCD161236  Turritis glabra Jake Ruygt 1992-4-2 2873 Napa Napa County : Wild Horse Valley Ranch, Johnson's Meadow. (Coordinates estimated by label maker at UC Davis). 481 Comment
  CAS-BOT-BC91195  Umbellularia californica C. B. Wolf 1928-2-25 1500 Napa Summit of Mount Saint Helena at Mount Saint Helena Inn. Comment
  RSA195375  Umbellularia californica Gilbert Muth 1967-1-18 511 Napa Pine Hill Road, Angwin. 534 Comment
  UCD162094  Umbellularia californica Dylan O. Burge 2014-3-15 1491 Napa Mount Saint Helena. Comment
  SBBG2307  Umbellularia californica var. californica Milton Workman 1953-3-7 8 Napa Portuguese Cyn, Putah Crk Rd Comment
  UC36689  Uropappus lindleyi Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  CAS-BOT-BC381962  Uropappus lindleyi John W. Willoughby 1977-4-27 2285 Napa Vaca Mountains. South of Highway 128, 0.7 miles southwest of Monticello Dam 195 Comment
  CAS-BOT-BC404185  Urtica dioica subsp. holosericea Peter H. Raven 1952-6-28 4208 Napa Conn Cr. below Dam 121 Comment
  JEPS120409  Vaccinium ovatum Jake Ruygt 1986-5-10 1757 Napa Devil's Canyon. Comment
  UCD50230  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  RSA756844  Veronica catenata Barbara Ertter, Elizabeth Neese 1988-10-2 7952 Napa Lake Hennessey about 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges; below spillway on north side of Route 128 91 Comment
  JEPS110575  Veronica peregrina subsp. xalapensis Jake Ruygt 1996-5-13 3663 b Napa .9 mile south of Pope Canyon Road on Hardin Road. 183 Comment
  UCD21502  Veronica peregrina subsp. xalapensis Jake Ruygt; Louise Vincenzio, Land Trust of Napa County 2002-4-22 4404 Napa Quail Ridge Reserve. 262 Comment
  UCD49291  Veronica persica L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 11 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  JEPS106542  Vicia americana var. americana Jake Ruygt 1979-4-23 549 Napa .4 miles east of Howell Mtn. Rd. on Chiles and Pope V.Rd. 207 Comment
  UC16957  Vicia americana var. americana Willis L. Jepson 1893-4-26 13609 Napa Oakville; Napa River Basin Comment
  UC162844  Vicia hassei Joseph P. Tracy 1904-5-23 2097 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  SEINET7042499  Vicia sativa A. G. Vestal 1963-4-7 s.n. Napa 3.8 miles north of Saint Helena on the Silverado Trail. Saint Helena quadrangle UTM Zone 10, 544281mE, 4266677mN. Comment
  SEINET7042697  Vicia sativa A. G. Vestal 1941-5-11 s.n. Napa Along Southern Pacific Rail Road 1 mile south of Saint Helena. Rutherford quadrangle UTM Zone 10, 548193mE, 4259900mN. Comment
  JEPS106541  Vicia sativa subsp. nigra Jake Ruygt 1998-6-8 4017 Napa Mead Ranch, Atlas Peak Road. 487 Comment
  UCD108896  Vicia sativa subsp. nigra Joseph M. DiTomaso 1976-4-10 409 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment